--- /dev/null
+config NET_VENDOR_MEDIATEK
+ tristate "Mediatek/Ralink ethernet driver"
+ depends on RALINK
+ help
+ This driver supports the ethernet mac inside the Mediatek and Ralink WiSoCs
+
+config NET_MEDIATEK_SOC
+ def_tristate NET_VENDOR_MEDIATEK
+
+if NET_MEDIATEK_SOC
+choice
+ prompt "MAC type"
+
+config NET_MEDIATEK_RT2880
+ bool "RT2882"
+ depends on MIPS && SOC_RT288X
+
+config NET_MEDIATEK_RT3050
+ bool "RT3050/MT7628"
+ depends on MIPS && (SOC_RT305X || SOC_MT7620)
+
+config NET_MEDIATEK_RT3883
+ bool "RT3883"
+ depends on MIPS && SOC_RT3883
+
+config NET_MEDIATEK_MT7620
+ bool "MT7620"
+ depends on MIPS && SOC_MT7620
+
+config NET_MEDIATEK_MT7621
+ bool "MT7621"
+ depends on MIPS && SOC_MT7621
+
+endchoice
+
+config NET_MEDIATEK_OFFLOAD
+ def_bool NET_MEDIATEK_SOC
+ depends on NET_MEDIATEK_MT7621
+
+config NET_MEDIATEK_HW_QOS
+ def_bool NET_MEDIATEK_SOC
+ depends on NET_MEDIATEK_MT7623
+
+config NET_MEDIATEK_MDIO
+ def_bool NET_MEDIATEK_SOC
+ depends on (NET_MEDIATEK_RT2880 || NET_MEDIATEK_RT3883 || NET_MEDIATEK_MT7620 || NET_MEDIATEK_MT7621)
+ select PHYLIB
+
+config NET_MEDIATEK_MDIO_RT2880
+ def_bool NET_MEDIATEK_SOC
+ depends on (NET_MEDIATEK_RT2880 || NET_MEDIATEK_RT3883)
+ select NET_MEDIATEK_MDIO
+
+config NET_MEDIATEK_MDIO_MT7620
+ def_bool NET_MEDIATEK_SOC
+ depends on (NET_MEDIATEK_MT7620 || NET_MEDIATEK_MT7621)
+ select NET_MEDIATEK_MDIO
+
+config NET_MEDIATEK_ESW_RT3050
+ def_tristate NET_MEDIATEK_SOC
+ depends on NET_MEDIATEK_RT3050
+
+config NET_MEDIATEK_GSW_MT7620
+ def_tristate NET_MEDIATEK_SOC
+ depends on NET_MEDIATEK_MT7620
+
+config NET_MEDIATEK_GSW_MT7621
+ def_tristate NET_MEDIATEK_SOC
+ depends on NET_MEDIATEK_MT7621
+endif
--- /dev/null
+#
+# Makefile for the Ralink SoCs built-in ethernet macs
+#
+
+mtk-eth-soc-y += mtk_eth_soc.o ethtool.o
+
+mtk-eth-soc-$(CONFIG_NET_MEDIATEK_MDIO) += mdio.o
+mtk-eth-soc-$(CONFIG_NET_MEDIATEK_MDIO_RT2880) += mdio_rt2880.o
+mtk-eth-soc-$(CONFIG_NET_MEDIATEK_MDIO_MT7620) += mdio_mt7620.o
+
+mtk-eth-soc-$(CONFIG_NET_MEDIATEK_OFFLOAD) += mtk_offload.o mtk_debugfs.o
+
+mtk-eth-soc-$(CONFIG_NET_MEDIATEK_RT2880) += soc_rt2880.o
+mtk-eth-soc-$(CONFIG_NET_MEDIATEK_RT3050) += soc_rt3050.o
+mtk-eth-soc-$(CONFIG_NET_MEDIATEK_RT3883) += soc_rt3883.o
+mtk-eth-soc-$(CONFIG_NET_MEDIATEK_MT7620) += soc_mt7620.o
+mtk-eth-soc-$(CONFIG_NET_MEDIATEK_MT7621) += soc_mt7621.o
+
+obj-$(CONFIG_NET_MEDIATEK_ESW_RT3050) += esw_rt3050.o
+obj-$(CONFIG_NET_MEDIATEK_GSW_MT7620) += gsw_mt7620.o mt7530.o
+obj-$(CONFIG_NET_MEDIATEK_GSW_MT7621) += gsw_mt7621.o mt7530.o
+obj-$(CONFIG_NET_MEDIATEK_SOC) += mtk-eth-soc.o
--- /dev/null
+/* This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ * Copyright (C) 2016 Vittorio Gambaletta <openwrt@vittgam.net>
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <asm/mach-ralink/ralink_regs.h>
+#include <linux/of_irq.h>
+
+#include <linux/switch.h>
+
+#include "mtk_eth_soc.h"
+
+/* HW limitations for this switch:
+ * - No large frame support (PKT_MAX_LEN at most 1536)
+ * - Can't have untagged vlan and tagged vlan on one port at the same time,
+ * though this might be possible using the undocumented PPE.
+ */
+
+#define RT305X_ESW_REG_ISR 0x00
+#define RT305X_ESW_REG_IMR 0x04
+#define RT305X_ESW_REG_FCT0 0x08
+#define RT305X_ESW_REG_PFC1 0x14
+#define RT305X_ESW_REG_ATS 0x24
+#define RT305X_ESW_REG_ATS0 0x28
+#define RT305X_ESW_REG_ATS1 0x2c
+#define RT305X_ESW_REG_ATS2 0x30
+#define RT305X_ESW_REG_PVIDC(_n) (0x40 + 4 * (_n))
+#define RT305X_ESW_REG_VLANI(_n) (0x50 + 4 * (_n))
+#define RT305X_ESW_REG_VMSC(_n) (0x70 + 4 * (_n))
+#define RT305X_ESW_REG_POA 0x80
+#define RT305X_ESW_REG_FPA 0x84
+#define RT305X_ESW_REG_SOCPC 0x8c
+#define RT305X_ESW_REG_POC0 0x90
+#define RT305X_ESW_REG_POC1 0x94
+#define RT305X_ESW_REG_POC2 0x98
+#define RT305X_ESW_REG_SGC 0x9c
+#define RT305X_ESW_REG_STRT 0xa0
+#define RT305X_ESW_REG_PCR0 0xc0
+#define RT305X_ESW_REG_PCR1 0xc4
+#define RT305X_ESW_REG_FPA2 0xc8
+#define RT305X_ESW_REG_FCT2 0xcc
+#define RT305X_ESW_REG_SGC2 0xe4
+#define RT305X_ESW_REG_P0LED 0xa4
+#define RT305X_ESW_REG_P1LED 0xa8
+#define RT305X_ESW_REG_P2LED 0xac
+#define RT305X_ESW_REG_P3LED 0xb0
+#define RT305X_ESW_REG_P4LED 0xb4
+#define RT305X_ESW_REG_PXPC(_x) (0xe8 + (4 * _x))
+#define RT305X_ESW_REG_P1PC 0xec
+#define RT305X_ESW_REG_P2PC 0xf0
+#define RT305X_ESW_REG_P3PC 0xf4
+#define RT305X_ESW_REG_P4PC 0xf8
+#define RT305X_ESW_REG_P5PC 0xfc
+
+#define RT305X_ESW_LED_LINK 0
+#define RT305X_ESW_LED_100M 1
+#define RT305X_ESW_LED_DUPLEX 2
+#define RT305X_ESW_LED_ACTIVITY 3
+#define RT305X_ESW_LED_COLLISION 4
+#define RT305X_ESW_LED_LINKACT 5
+#define RT305X_ESW_LED_DUPLCOLL 6
+#define RT305X_ESW_LED_10MACT 7
+#define RT305X_ESW_LED_100MACT 8
+/* Additional led states not in datasheet: */
+#define RT305X_ESW_LED_BLINK 10
+#define RT305X_ESW_LED_ON 12
+
+#define RT305X_ESW_LINK_S 25
+#define RT305X_ESW_DUPLEX_S 9
+#define RT305X_ESW_SPD_S 0
+
+#define RT305X_ESW_PCR0_WT_NWAY_DATA_S 16
+#define RT305X_ESW_PCR0_WT_PHY_CMD BIT(13)
+#define RT305X_ESW_PCR0_CPU_PHY_REG_S 8
+
+#define RT305X_ESW_PCR1_WT_DONE BIT(0)
+
+#define RT305X_ESW_ATS_TIMEOUT (5 * HZ)
+#define RT305X_ESW_PHY_TIMEOUT (5 * HZ)
+
+#define RT305X_ESW_PVIDC_PVID_M 0xfff
+#define RT305X_ESW_PVIDC_PVID_S 12
+
+#define RT305X_ESW_VLANI_VID_M 0xfff
+#define RT305X_ESW_VLANI_VID_S 12
+
+#define RT305X_ESW_VMSC_MSC_M 0xff
+#define RT305X_ESW_VMSC_MSC_S 8
+
+#define RT305X_ESW_SOCPC_DISUN2CPU_S 0
+#define RT305X_ESW_SOCPC_DISMC2CPU_S 8
+#define RT305X_ESW_SOCPC_DISBC2CPU_S 16
+#define RT305X_ESW_SOCPC_CRC_PADDING BIT(25)
+
+#define RT305X_ESW_POC0_EN_BP_S 0
+#define RT305X_ESW_POC0_EN_FC_S 8
+#define RT305X_ESW_POC0_DIS_RMC2CPU_S 16
+#define RT305X_ESW_POC0_DIS_PORT_M 0x7f
+#define RT305X_ESW_POC0_DIS_PORT_S 23
+
+#define RT305X_ESW_POC2_UNTAG_EN_M 0xff
+#define RT305X_ESW_POC2_UNTAG_EN_S 0
+#define RT305X_ESW_POC2_ENAGING_S 8
+#define RT305X_ESW_POC2_DIS_UC_PAUSE_S 16
+
+#define RT305X_ESW_SGC2_DOUBLE_TAG_M 0x7f
+#define RT305X_ESW_SGC2_DOUBLE_TAG_S 0
+#define RT305X_ESW_SGC2_LAN_PMAP_M 0x3f
+#define RT305X_ESW_SGC2_LAN_PMAP_S 24
+
+#define RT305X_ESW_PFC1_EN_VLAN_M 0xff
+#define RT305X_ESW_PFC1_EN_VLAN_S 16
+#define RT305X_ESW_PFC1_EN_TOS_S 24
+
+#define RT305X_ESW_VLAN_NONE 0xfff
+
+#define RT305X_ESW_GSC_BC_STROM_MASK 0x3
+#define RT305X_ESW_GSC_BC_STROM_SHIFT 4
+
+#define RT305X_ESW_GSC_LED_FREQ_MASK 0x3
+#define RT305X_ESW_GSC_LED_FREQ_SHIFT 23
+
+#define RT305X_ESW_POA_LINK_MASK 0x1f
+#define RT305X_ESW_POA_LINK_SHIFT 25
+
+#define RT305X_ESW_PORT_ST_CHG BIT(26)
+#define RT305X_ESW_PORT0 0
+#define RT305X_ESW_PORT1 1
+#define RT305X_ESW_PORT2 2
+#define RT305X_ESW_PORT3 3
+#define RT305X_ESW_PORT4 4
+#define RT305X_ESW_PORT5 5
+#define RT305X_ESW_PORT6 6
+
+#define RT305X_ESW_PORTS_NONE 0
+
+#define RT305X_ESW_PMAP_LLLLLL 0x3f
+#define RT305X_ESW_PMAP_LLLLWL 0x2f
+#define RT305X_ESW_PMAP_WLLLLL 0x3e
+
+#define RT305X_ESW_PORTS_INTERNAL \
+ (BIT(RT305X_ESW_PORT0) | BIT(RT305X_ESW_PORT1) | \
+ BIT(RT305X_ESW_PORT2) | BIT(RT305X_ESW_PORT3) | \
+ BIT(RT305X_ESW_PORT4))
+
+#define RT305X_ESW_PORTS_NOCPU \
+ (RT305X_ESW_PORTS_INTERNAL | BIT(RT305X_ESW_PORT5))
+
+#define RT305X_ESW_PORTS_CPU BIT(RT305X_ESW_PORT6)
+
+#define RT305X_ESW_PORTS_ALL \
+ (RT305X_ESW_PORTS_NOCPU | RT305X_ESW_PORTS_CPU)
+
+#define RT305X_ESW_NUM_VLANS 16
+#define RT305X_ESW_NUM_VIDS 4096
+#define RT305X_ESW_NUM_PORTS 7
+#define RT305X_ESW_NUM_LANWAN 6
+#define RT305X_ESW_NUM_LEDS 5
+
+#define RT5350_ESW_REG_PXTPC(_x) (0x150 + (4 * _x))
+#define RT5350_EWS_REG_LED_POLARITY 0x168
+#define RT5350_RESET_EPHY BIT(24)
+
+enum {
+ /* Global attributes. */
+ RT305X_ESW_ATTR_ENABLE_VLAN,
+ RT305X_ESW_ATTR_ALT_VLAN_DISABLE,
+ RT305X_ESW_ATTR_BC_STATUS,
+ RT305X_ESW_ATTR_LED_FREQ,
+ /* Port attributes. */
+ RT305X_ESW_ATTR_PORT_DISABLE,
+ RT305X_ESW_ATTR_PORT_DOUBLETAG,
+ RT305X_ESW_ATTR_PORT_UNTAG,
+ RT305X_ESW_ATTR_PORT_LED,
+ RT305X_ESW_ATTR_PORT_LAN,
+ RT305X_ESW_ATTR_PORT_RECV_BAD,
+ RT305X_ESW_ATTR_PORT_RECV_GOOD,
+ RT5350_ESW_ATTR_PORT_TR_BAD,
+ RT5350_ESW_ATTR_PORT_TR_GOOD,
+};
+
+struct esw_port {
+ bool disable;
+ bool doubletag;
+ bool untag;
+ u8 led;
+ u16 pvid;
+};
+
+struct esw_vlan {
+ u8 ports;
+ u16 vid;
+};
+
+enum {
+ RT305X_ESW_VLAN_CONFIG_NONE = 0,
+ RT305X_ESW_VLAN_CONFIG_LLLLW,
+ RT305X_ESW_VLAN_CONFIG_WLLLL,
+};
+
+struct rt305x_esw {
+ struct device *dev;
+ void __iomem *base;
+ int irq;
+
+ /* Protects against concurrent register r/w operations. */
+ spinlock_t reg_rw_lock;
+
+ unsigned char port_map;
+ unsigned char port_disable;
+ unsigned int reg_initval_fct2;
+ unsigned int reg_initval_fpa2;
+ unsigned int reg_led_polarity;
+
+ struct switch_dev swdev;
+ bool global_vlan_enable;
+ bool alt_vlan_disable;
+ int bc_storm_protect;
+ int led_frequency;
+ struct esw_vlan vlans[RT305X_ESW_NUM_VLANS];
+ struct esw_port ports[RT305X_ESW_NUM_PORTS];
+
+};
+
+static inline void esw_w32(struct rt305x_esw *esw, u32 val, unsigned reg)
+{
+ __raw_writel(val, esw->base + reg);
+}
+
+static inline u32 esw_r32(struct rt305x_esw *esw, unsigned reg)
+{
+ return __raw_readl(esw->base + reg);
+}
+
+static inline void esw_rmw_raw(struct rt305x_esw *esw, unsigned reg,
+ unsigned long mask, unsigned long val)
+{
+ unsigned long t;
+
+ t = __raw_readl(esw->base + reg) & ~mask;
+ __raw_writel(t | val, esw->base + reg);
+}
+
+static void esw_rmw(struct rt305x_esw *esw, unsigned reg,
+ unsigned long mask, unsigned long val)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&esw->reg_rw_lock, flags);
+ esw_rmw_raw(esw, reg, mask, val);
+ spin_unlock_irqrestore(&esw->reg_rw_lock, flags);
+}
+
+static u32 rt305x_mii_write(struct rt305x_esw *esw, u32 phy_addr,
+ u32 phy_register, u32 write_data)
+{
+ unsigned long t_start = jiffies;
+ int ret = 0;
+
+ while (1) {
+ if (!(esw_r32(esw, RT305X_ESW_REG_PCR1) &
+ RT305X_ESW_PCR1_WT_DONE))
+ break;
+ if (time_after(jiffies, t_start + RT305X_ESW_PHY_TIMEOUT)) {
+ ret = 1;
+ goto out;
+ }
+ }
+
+ write_data &= 0xffff;
+ esw_w32(esw, (write_data << RT305X_ESW_PCR0_WT_NWAY_DATA_S) |
+ (phy_register << RT305X_ESW_PCR0_CPU_PHY_REG_S) |
+ (phy_addr) | RT305X_ESW_PCR0_WT_PHY_CMD,
+ RT305X_ESW_REG_PCR0);
+
+ t_start = jiffies;
+ while (1) {
+ if (esw_r32(esw, RT305X_ESW_REG_PCR1) &
+ RT305X_ESW_PCR1_WT_DONE)
+ break;
+
+ if (time_after(jiffies, t_start + RT305X_ESW_PHY_TIMEOUT)) {
+ ret = 1;
+ break;
+ }
+ }
+out:
+ if (ret)
+ dev_err(esw->dev, "ramips_eth: MDIO timeout\n");
+ return ret;
+}
+
+static unsigned esw_get_vlan_id(struct rt305x_esw *esw, unsigned vlan)
+{
+ unsigned s;
+ unsigned val;
+
+ s = RT305X_ESW_VLANI_VID_S * (vlan % 2);
+ val = esw_r32(esw, RT305X_ESW_REG_VLANI(vlan / 2));
+ val = (val >> s) & RT305X_ESW_VLANI_VID_M;
+
+ return val;
+}
+
+static void esw_set_vlan_id(struct rt305x_esw *esw, unsigned vlan, unsigned vid)
+{
+ unsigned s;
+
+ s = RT305X_ESW_VLANI_VID_S * (vlan % 2);
+ esw_rmw(esw,
+ RT305X_ESW_REG_VLANI(vlan / 2),
+ RT305X_ESW_VLANI_VID_M << s,
+ (vid & RT305X_ESW_VLANI_VID_M) << s);
+}
+
+static unsigned esw_get_pvid(struct rt305x_esw *esw, unsigned port)
+{
+ unsigned s, val;
+
+ s = RT305X_ESW_PVIDC_PVID_S * (port % 2);
+ val = esw_r32(esw, RT305X_ESW_REG_PVIDC(port / 2));
+ return (val >> s) & RT305X_ESW_PVIDC_PVID_M;
+}
+
+static void esw_set_pvid(struct rt305x_esw *esw, unsigned port, unsigned pvid)
+{
+ unsigned s;
+
+ s = RT305X_ESW_PVIDC_PVID_S * (port % 2);
+ esw_rmw(esw,
+ RT305X_ESW_REG_PVIDC(port / 2),
+ RT305X_ESW_PVIDC_PVID_M << s,
+ (pvid & RT305X_ESW_PVIDC_PVID_M) << s);
+}
+
+static unsigned esw_get_vmsc(struct rt305x_esw *esw, unsigned vlan)
+{
+ unsigned s, val;
+
+ s = RT305X_ESW_VMSC_MSC_S * (vlan % 4);
+ val = esw_r32(esw, RT305X_ESW_REG_VMSC(vlan / 4));
+ val = (val >> s) & RT305X_ESW_VMSC_MSC_M;
+
+ return val;
+}
+
+static void esw_set_vmsc(struct rt305x_esw *esw, unsigned vlan, unsigned msc)
+{
+ unsigned s;
+
+ s = RT305X_ESW_VMSC_MSC_S * (vlan % 4);
+ esw_rmw(esw,
+ RT305X_ESW_REG_VMSC(vlan / 4),
+ RT305X_ESW_VMSC_MSC_M << s,
+ (msc & RT305X_ESW_VMSC_MSC_M) << s);
+}
+
+static unsigned esw_get_port_disable(struct rt305x_esw *esw)
+{
+ unsigned reg;
+
+ reg = esw_r32(esw, RT305X_ESW_REG_POC0);
+ return (reg >> RT305X_ESW_POC0_DIS_PORT_S) &
+ RT305X_ESW_POC0_DIS_PORT_M;
+}
+
+static void esw_set_port_disable(struct rt305x_esw *esw, unsigned disable_mask)
+{
+ unsigned old_mask;
+ unsigned enable_mask;
+ unsigned changed;
+ int i;
+
+ old_mask = esw_get_port_disable(esw);
+ changed = old_mask ^ disable_mask;
+ enable_mask = old_mask & disable_mask;
+
+ /* enable before writing to MII */
+ esw_rmw(esw, RT305X_ESW_REG_POC0,
+ (RT305X_ESW_POC0_DIS_PORT_M <<
+ RT305X_ESW_POC0_DIS_PORT_S),
+ enable_mask << RT305X_ESW_POC0_DIS_PORT_S);
+
+ for (i = 0; i < RT305X_ESW_NUM_LEDS; i++) {
+ if (!(changed & (1 << i)))
+ continue;
+ if (disable_mask & (1 << i)) {
+ /* disable */
+ rt305x_mii_write(esw, i, MII_BMCR,
+ BMCR_PDOWN);
+ } else {
+ /* enable */
+ rt305x_mii_write(esw, i, MII_BMCR,
+ BMCR_FULLDPLX |
+ BMCR_ANENABLE |
+ BMCR_ANRESTART |
+ BMCR_SPEED100);
+ }
+ }
+
+ /* disable after writing to MII */
+ esw_rmw(esw, RT305X_ESW_REG_POC0,
+ (RT305X_ESW_POC0_DIS_PORT_M <<
+ RT305X_ESW_POC0_DIS_PORT_S),
+ disable_mask << RT305X_ESW_POC0_DIS_PORT_S);
+}
+
+static void esw_set_gsc(struct rt305x_esw *esw)
+{
+ esw_rmw(esw, RT305X_ESW_REG_SGC,
+ RT305X_ESW_GSC_BC_STROM_MASK << RT305X_ESW_GSC_BC_STROM_SHIFT,
+ esw->bc_storm_protect << RT305X_ESW_GSC_BC_STROM_SHIFT);
+ esw_rmw(esw, RT305X_ESW_REG_SGC,
+ RT305X_ESW_GSC_LED_FREQ_MASK << RT305X_ESW_GSC_LED_FREQ_SHIFT,
+ esw->led_frequency << RT305X_ESW_GSC_LED_FREQ_SHIFT);
+}
+
+static int esw_apply_config(struct switch_dev *dev);
+
+static void esw_hw_init(struct rt305x_esw *esw)
+{
+ int i;
+ u8 port_disable = 0;
+ u8 port_map = RT305X_ESW_PMAP_LLLLLL;
+
+ /* vodoo from original driver */
+ esw_w32(esw, 0xC8A07850, RT305X_ESW_REG_FCT0);
+ esw_w32(esw, 0x00000000, RT305X_ESW_REG_SGC2);
+ /* Port priority 1 for all ports, vlan enabled. */
+ esw_w32(esw, 0x00005555 |
+ (RT305X_ESW_PORTS_ALL << RT305X_ESW_PFC1_EN_VLAN_S),
+ RT305X_ESW_REG_PFC1);
+
+ /* Enable all ports, Back Pressure and Flow Control */
+ esw_w32(esw, ((RT305X_ESW_PORTS_ALL << RT305X_ESW_POC0_EN_BP_S) |
+ (RT305X_ESW_PORTS_ALL << RT305X_ESW_POC0_EN_FC_S)),
+ RT305X_ESW_REG_POC0);
+
+ /* Enable Aging, and VLAN TAG removal */
+ esw_w32(esw, ((RT305X_ESW_PORTS_ALL << RT305X_ESW_POC2_ENAGING_S) |
+ (RT305X_ESW_PORTS_NOCPU << RT305X_ESW_POC2_UNTAG_EN_S)),
+ RT305X_ESW_REG_POC2);
+
+ if (esw->reg_initval_fct2)
+ esw_w32(esw, esw->reg_initval_fct2, RT305X_ESW_REG_FCT2);
+ else
+ esw_w32(esw, 0x0002500c, RT305X_ESW_REG_FCT2);
+
+ /* 300s aging timer, max packet len 1536, broadcast storm prevention
+ * disabled, disable collision abort, mac xor48 hash, 10 packet back
+ * pressure jam, GMII disable was_transmit, back pressure disabled,
+ * 30ms led flash, unmatched IGMP as broadcast, rmc tb fault to all
+ * ports.
+ */
+ esw_w32(esw, 0x0008a301, RT305X_ESW_REG_SGC);
+
+ /* Setup SoC Port control register */
+ esw_w32(esw,
+ (RT305X_ESW_SOCPC_CRC_PADDING |
+ (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISUN2CPU_S) |
+ (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISMC2CPU_S) |
+ (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISBC2CPU_S)),
+ RT305X_ESW_REG_SOCPC);
+
+ /* ext phy base addr 31, enable port 5 polling, rx/tx clock skew 1,
+ * turbo mii off, rgmi 3.3v off
+ * port5: disabled
+ * port6: enabled, gige, full-duplex, rx/tx-flow-control
+ */
+ if (esw->reg_initval_fpa2)
+ esw_w32(esw, esw->reg_initval_fpa2, RT305X_ESW_REG_FPA2);
+ else
+ esw_w32(esw, 0x3f502b28, RT305X_ESW_REG_FPA2);
+ esw_w32(esw, 0x00000000, RT305X_ESW_REG_FPA);
+
+ /* Force Link/Activity on ports */
+ esw_w32(esw, 0x00000005, RT305X_ESW_REG_P0LED);
+ esw_w32(esw, 0x00000005, RT305X_ESW_REG_P1LED);
+ esw_w32(esw, 0x00000005, RT305X_ESW_REG_P2LED);
+ esw_w32(esw, 0x00000005, RT305X_ESW_REG_P3LED);
+ esw_w32(esw, 0x00000005, RT305X_ESW_REG_P4LED);
+
+ /* Copy disabled port configuration from device tree setup */
+ port_disable = esw->port_disable;
+
+ /* Disable nonexistent ports by reading the switch config
+ * after having enabled all possible ports above
+ */
+ port_disable |= esw_get_port_disable(esw);
+
+ for (i = 0; i < 6; i++)
+ esw->ports[i].disable = (port_disable & (1 << i)) != 0;
+
+ if (ralink_soc == RT305X_SOC_RT3352) {
+ /* reset EPHY */
+ fe_reset(RT5350_RESET_EPHY);
+
+ rt305x_mii_write(esw, 0, 31, 0x8000);
+ for (i = 0; i < 5; i++) {
+ if (esw->ports[i].disable) {
+ rt305x_mii_write(esw, i, MII_BMCR, BMCR_PDOWN);
+ } else {
+ rt305x_mii_write(esw, i, MII_BMCR,
+ BMCR_FULLDPLX |
+ BMCR_ANENABLE |
+ BMCR_SPEED100);
+ }
+ /* TX10 waveform coefficient LSB=0 disable PHY */
+ rt305x_mii_write(esw, i, 26, 0x1601);
+ /* TX100/TX10 AD/DA current bias */
+ rt305x_mii_write(esw, i, 29, 0x7016);
+ /* TX100 slew rate control */
+ rt305x_mii_write(esw, i, 30, 0x0038);
+ }
+
+ /* select global register */
+ rt305x_mii_write(esw, 0, 31, 0x0);
+ /* enlarge agcsel threshold 3 and threshold 2 */
+ rt305x_mii_write(esw, 0, 1, 0x4a40);
+ /* enlarge agcsel threshold 5 and threshold 4 */
+ rt305x_mii_write(esw, 0, 2, 0x6254);
+ /* enlarge agcsel threshold */
+ rt305x_mii_write(esw, 0, 3, 0xa17f);
+ rt305x_mii_write(esw, 0, 12, 0x7eaa);
+ /* longer TP_IDL tail length */
+ rt305x_mii_write(esw, 0, 14, 0x65);
+ /* increased squelch pulse count threshold. */
+ rt305x_mii_write(esw, 0, 16, 0x0684);
+ /* set TX10 signal amplitude threshold to minimum */
+ rt305x_mii_write(esw, 0, 17, 0x0fe0);
+ /* set squelch amplitude to higher threshold */
+ rt305x_mii_write(esw, 0, 18, 0x40ba);
+ /* tune TP_IDL tail and head waveform, enable power
+ * down slew rate control
+ */
+ rt305x_mii_write(esw, 0, 22, 0x253f);
+ /* set PLL/Receive bias current are calibrated */
+ rt305x_mii_write(esw, 0, 27, 0x2fda);
+ /* change PLL/Receive bias current to internal(RT3350) */
+ rt305x_mii_write(esw, 0, 28, 0xc410);
+ /* change PLL bias current to internal(RT3052_MP3) */
+ rt305x_mii_write(esw, 0, 29, 0x598b);
+ /* select local register */
+ rt305x_mii_write(esw, 0, 31, 0x8000);
+ } else if (ralink_soc == RT305X_SOC_RT5350) {
+ /* reset EPHY */
+ fe_reset(RT5350_RESET_EPHY);
+
+ /* set the led polarity */
+ esw_w32(esw, esw->reg_led_polarity & 0x1F,
+ RT5350_EWS_REG_LED_POLARITY);
+
+ /* local registers */
+ rt305x_mii_write(esw, 0, 31, 0x8000);
+ for (i = 0; i < 5; i++) {
+ if (esw->ports[i].disable) {
+ rt305x_mii_write(esw, i, MII_BMCR, BMCR_PDOWN);
+ } else {
+ rt305x_mii_write(esw, i, MII_BMCR,
+ BMCR_FULLDPLX |
+ BMCR_ANENABLE |
+ BMCR_SPEED100);
+ }
+ /* TX10 waveform coefficient LSB=0 disable PHY */
+ rt305x_mii_write(esw, i, 26, 0x1601);
+ /* TX100/TX10 AD/DA current bias */
+ rt305x_mii_write(esw, i, 29, 0x7015);
+ /* TX100 slew rate control */
+ rt305x_mii_write(esw, i, 30, 0x0038);
+ }
+
+ /* global registers */
+ rt305x_mii_write(esw, 0, 31, 0x0);
+ /* enlarge agcsel threshold 3 and threshold 2 */
+ rt305x_mii_write(esw, 0, 1, 0x4a40);
+ /* enlarge agcsel threshold 5 and threshold 4 */
+ rt305x_mii_write(esw, 0, 2, 0x6254);
+ /* enlarge agcsel threshold 6 */
+ rt305x_mii_write(esw, 0, 3, 0xa17f);
+ rt305x_mii_write(esw, 0, 12, 0x7eaa);
+ /* longer TP_IDL tail length */
+ rt305x_mii_write(esw, 0, 14, 0x65);
+ /* increased squelch pulse count threshold. */
+ rt305x_mii_write(esw, 0, 16, 0x0684);
+ /* set TX10 signal amplitude threshold to minimum */
+ rt305x_mii_write(esw, 0, 17, 0x0fe0);
+ /* set squelch amplitude to higher threshold */
+ rt305x_mii_write(esw, 0, 18, 0x40ba);
+ /* tune TP_IDL tail and head waveform, enable power
+ * down slew rate control
+ */
+ rt305x_mii_write(esw, 0, 22, 0x253f);
+ /* set PLL/Receive bias current are calibrated */
+ rt305x_mii_write(esw, 0, 27, 0x2fda);
+ /* change PLL/Receive bias current to internal(RT3350) */
+ rt305x_mii_write(esw, 0, 28, 0xc410);
+ /* change PLL bias current to internal(RT3052_MP3) */
+ rt305x_mii_write(esw, 0, 29, 0x598b);
+ /* select local register */
+ rt305x_mii_write(esw, 0, 31, 0x8000);
+ } else if (ralink_soc == MT762X_SOC_MT7628AN || ralink_soc == MT762X_SOC_MT7688) {
+ int i;
+
+ /* reset EPHY */
+ fe_reset(RT5350_RESET_EPHY);
+
+ rt305x_mii_write(esw, 0, 31, 0x2000); /* change G2 page */
+ rt305x_mii_write(esw, 0, 26, 0x0020);
+
+ for (i = 0; i < 5; i++) {
+ rt305x_mii_write(esw, i, 31, 0x8000);
+ rt305x_mii_write(esw, i, 0, 0x3100);
+ rt305x_mii_write(esw, i, 30, 0xa000);
+ rt305x_mii_write(esw, i, 31, 0xa000);
+ rt305x_mii_write(esw, i, 16, 0x0606);
+ rt305x_mii_write(esw, i, 23, 0x0f0e);
+ rt305x_mii_write(esw, i, 24, 0x1610);
+ rt305x_mii_write(esw, i, 30, 0x1f15);
+ rt305x_mii_write(esw, i, 28, 0x6111);
+ rt305x_mii_write(esw, i, 31, 0x2000);
+ rt305x_mii_write(esw, i, 26, 0x0000);
+ }
+
+ /* 100Base AOI setting */
+ rt305x_mii_write(esw, 0, 31, 0x5000);
+ rt305x_mii_write(esw, 0, 19, 0x004a);
+ rt305x_mii_write(esw, 0, 20, 0x015a);
+ rt305x_mii_write(esw, 0, 21, 0x00ee);
+ rt305x_mii_write(esw, 0, 22, 0x0033);
+ rt305x_mii_write(esw, 0, 23, 0x020a);
+ rt305x_mii_write(esw, 0, 24, 0x0000);
+ rt305x_mii_write(esw, 0, 25, 0x024a);
+ rt305x_mii_write(esw, 0, 26, 0x035a);
+ rt305x_mii_write(esw, 0, 27, 0x02ee);
+ rt305x_mii_write(esw, 0, 28, 0x0233);
+ rt305x_mii_write(esw, 0, 29, 0x000a);
+ rt305x_mii_write(esw, 0, 30, 0x0000);
+ } else {
+ rt305x_mii_write(esw, 0, 31, 0x8000);
+ for (i = 0; i < 5; i++) {
+ if (esw->ports[i].disable) {
+ rt305x_mii_write(esw, i, MII_BMCR, BMCR_PDOWN);
+ } else {
+ rt305x_mii_write(esw, i, MII_BMCR,
+ BMCR_FULLDPLX |
+ BMCR_ANENABLE |
+ BMCR_SPEED100);
+ }
+ /* TX10 waveform coefficient */
+ rt305x_mii_write(esw, i, 26, 0x1601);
+ /* TX100/TX10 AD/DA current bias */
+ rt305x_mii_write(esw, i, 29, 0x7058);
+ /* TX100 slew rate control */
+ rt305x_mii_write(esw, i, 30, 0x0018);
+ }
+
+ /* PHY IOT */
+ /* select global register */
+ rt305x_mii_write(esw, 0, 31, 0x0);
+ /* tune TP_IDL tail and head waveform */
+ rt305x_mii_write(esw, 0, 22, 0x052f);
+ /* set TX10 signal amplitude threshold to minimum */
+ rt305x_mii_write(esw, 0, 17, 0x0fe0);
+ /* set squelch amplitude to higher threshold */
+ rt305x_mii_write(esw, 0, 18, 0x40ba);
+ /* longer TP_IDL tail length */
+ rt305x_mii_write(esw, 0, 14, 0x65);
+ /* select local register */
+ rt305x_mii_write(esw, 0, 31, 0x8000);
+ }
+
+ if (esw->port_map)
+ port_map = esw->port_map;
+ else
+ port_map = RT305X_ESW_PMAP_LLLLLL;
+
+ /* Unused HW feature, but still nice to be consistent here...
+ * This is also exported to userspace ('lan' attribute) so it's
+ * conveniently usable to decide which ports go into the wan vlan by
+ * default.
+ */
+ esw_rmw(esw, RT305X_ESW_REG_SGC2,
+ RT305X_ESW_SGC2_LAN_PMAP_M << RT305X_ESW_SGC2_LAN_PMAP_S,
+ port_map << RT305X_ESW_SGC2_LAN_PMAP_S);
+
+ /* make the switch leds blink */
+ for (i = 0; i < RT305X_ESW_NUM_LEDS; i++)
+ esw->ports[i].led = 0x05;
+
+ /* Apply the empty config. */
+ esw_apply_config(&esw->swdev);
+
+ /* Only unmask the port change interrupt */
+ esw_w32(esw, ~RT305X_ESW_PORT_ST_CHG, RT305X_ESW_REG_IMR);
+}
+
+static irqreturn_t esw_interrupt(int irq, void *_esw)
+{
+ struct rt305x_esw *esw = (struct rt305x_esw *)_esw;
+ u32 status;
+
+ status = esw_r32(esw, RT305X_ESW_REG_ISR);
+ if (status & RT305X_ESW_PORT_ST_CHG) {
+ u32 link = esw_r32(esw, RT305X_ESW_REG_POA);
+
+ link >>= RT305X_ESW_POA_LINK_SHIFT;
+ link &= RT305X_ESW_POA_LINK_MASK;
+ dev_info(esw->dev, "link changed 0x%02X\n", link);
+ }
+ esw_w32(esw, status, RT305X_ESW_REG_ISR);
+
+ return IRQ_HANDLED;
+}
+
+static int esw_apply_config(struct switch_dev *dev)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+ int i;
+ u8 disable = 0;
+ u8 doubletag = 0;
+ u8 en_vlan = 0;
+ u8 untag = 0;
+
+ for (i = 0; i < RT305X_ESW_NUM_VLANS; i++) {
+ u32 vid, vmsc;
+ if (esw->global_vlan_enable) {
+ vid = esw->vlans[i].vid;
+ vmsc = esw->vlans[i].ports;
+ } else {
+ vid = RT305X_ESW_VLAN_NONE;
+ vmsc = RT305X_ESW_PORTS_NONE;
+ }
+ esw_set_vlan_id(esw, i, vid);
+ esw_set_vmsc(esw, i, vmsc);
+ }
+
+ for (i = 0; i < RT305X_ESW_NUM_PORTS; i++) {
+ u32 pvid;
+ disable |= esw->ports[i].disable << i;
+ if (esw->global_vlan_enable) {
+ doubletag |= esw->ports[i].doubletag << i;
+ en_vlan |= 1 << i;
+ untag |= esw->ports[i].untag << i;
+ pvid = esw->ports[i].pvid;
+ } else {
+ int x = esw->alt_vlan_disable ? 0 : 1;
+ doubletag |= x << i;
+ en_vlan |= x << i;
+ untag |= x << i;
+ pvid = 0;
+ }
+ esw_set_pvid(esw, i, pvid);
+ if (i < RT305X_ESW_NUM_LEDS)
+ esw_w32(esw, esw->ports[i].led,
+ RT305X_ESW_REG_P0LED + 4*i);
+ }
+
+ esw_set_gsc(esw);
+ esw_set_port_disable(esw, disable);
+ esw_rmw(esw, RT305X_ESW_REG_SGC2,
+ (RT305X_ESW_SGC2_DOUBLE_TAG_M <<
+ RT305X_ESW_SGC2_DOUBLE_TAG_S),
+ doubletag << RT305X_ESW_SGC2_DOUBLE_TAG_S);
+ esw_rmw(esw, RT305X_ESW_REG_PFC1,
+ RT305X_ESW_PFC1_EN_VLAN_M << RT305X_ESW_PFC1_EN_VLAN_S,
+ en_vlan << RT305X_ESW_PFC1_EN_VLAN_S);
+ esw_rmw(esw, RT305X_ESW_REG_POC2,
+ RT305X_ESW_POC2_UNTAG_EN_M << RT305X_ESW_POC2_UNTAG_EN_S,
+ untag << RT305X_ESW_POC2_UNTAG_EN_S);
+
+ if (!esw->global_vlan_enable) {
+ /*
+ * Still need to put all ports into vlan 0 or they'll be
+ * isolated.
+ * NOTE: vlan 0 is special, no vlan tag is prepended
+ */
+ esw_set_vlan_id(esw, 0, 0);
+ esw_set_vmsc(esw, 0, RT305X_ESW_PORTS_ALL);
+ }
+
+ return 0;
+}
+
+static int esw_reset_switch(struct switch_dev *dev)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+ esw->global_vlan_enable = 0;
+ memset(esw->ports, 0, sizeof(esw->ports));
+ memset(esw->vlans, 0, sizeof(esw->vlans));
+ esw_hw_init(esw);
+
+ return 0;
+}
+
+static int esw_get_vlan_enable(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+ val->value.i = esw->global_vlan_enable;
+
+ return 0;
+}
+
+static int esw_set_vlan_enable(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+ esw->global_vlan_enable = val->value.i != 0;
+
+ return 0;
+}
+
+static int esw_get_alt_vlan_disable(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+ val->value.i = esw->alt_vlan_disable;
+
+ return 0;
+}
+
+static int esw_set_alt_vlan_disable(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+ esw->alt_vlan_disable = val->value.i != 0;
+
+ return 0;
+}
+
+static int
+rt305x_esw_set_bc_status(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+ esw->bc_storm_protect = val->value.i & RT305X_ESW_GSC_BC_STROM_MASK;
+
+ return 0;
+}
+
+static int
+rt305x_esw_get_bc_status(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+ val->value.i = esw->bc_storm_protect;
+
+ return 0;
+}
+
+static int
+rt305x_esw_set_led_freq(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+ esw->led_frequency = val->value.i & RT305X_ESW_GSC_LED_FREQ_MASK;
+
+ return 0;
+}
+
+static int
+rt305x_esw_get_led_freq(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+ val->value.i = esw->led_frequency;
+
+ return 0;
+}
+
+static int esw_get_port_link(struct switch_dev *dev,
+ int port,
+ struct switch_port_link *link)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+ u32 speed, poa;
+
+ if (port < 0 || port >= RT305X_ESW_NUM_PORTS)
+ return -EINVAL;
+
+ poa = esw_r32(esw, RT305X_ESW_REG_POA) >> port;
+
+ link->link = (poa >> RT305X_ESW_LINK_S) & 1;
+ link->duplex = (poa >> RT305X_ESW_DUPLEX_S) & 1;
+ if (port < RT305X_ESW_NUM_LEDS) {
+ speed = (poa >> RT305X_ESW_SPD_S) & 1;
+ } else {
+ if (port == RT305X_ESW_NUM_PORTS - 1)
+ poa >>= 1;
+ speed = (poa >> RT305X_ESW_SPD_S) & 3;
+ }
+ switch (speed) {
+ case 0:
+ link->speed = SWITCH_PORT_SPEED_10;
+ break;
+ case 1:
+ link->speed = SWITCH_PORT_SPEED_100;
+ break;
+ case 2:
+ case 3: /* forced gige speed can be 2 or 3 */
+ link->speed = SWITCH_PORT_SPEED_1000;
+ break;
+ default:
+ link->speed = SWITCH_PORT_SPEED_UNKNOWN;
+ break;
+ }
+
+ return 0;
+}
+
+static int esw_get_port_bool(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+ int idx = val->port_vlan;
+ u32 x, reg, shift;
+
+ if (idx < 0 || idx >= RT305X_ESW_NUM_PORTS)
+ return -EINVAL;
+
+ switch (attr->id) {
+ case RT305X_ESW_ATTR_PORT_DISABLE:
+ reg = RT305X_ESW_REG_POC0;
+ shift = RT305X_ESW_POC0_DIS_PORT_S;
+ break;
+ case RT305X_ESW_ATTR_PORT_DOUBLETAG:
+ reg = RT305X_ESW_REG_SGC2;
+ shift = RT305X_ESW_SGC2_DOUBLE_TAG_S;
+ break;
+ case RT305X_ESW_ATTR_PORT_UNTAG:
+ reg = RT305X_ESW_REG_POC2;
+ shift = RT305X_ESW_POC2_UNTAG_EN_S;
+ break;
+ case RT305X_ESW_ATTR_PORT_LAN:
+ reg = RT305X_ESW_REG_SGC2;
+ shift = RT305X_ESW_SGC2_LAN_PMAP_S;
+ if (idx >= RT305X_ESW_NUM_LANWAN)
+ return -EINVAL;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ x = esw_r32(esw, reg);
+ val->value.i = (x >> (idx + shift)) & 1;
+
+ return 0;
+}
+
+static int esw_set_port_bool(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+ int idx = val->port_vlan;
+
+ if (idx < 0 || idx >= RT305X_ESW_NUM_PORTS ||
+ val->value.i < 0 || val->value.i > 1)
+ return -EINVAL;
+
+ switch (attr->id) {
+ case RT305X_ESW_ATTR_PORT_DISABLE:
+ esw->ports[idx].disable = val->value.i;
+ break;
+ case RT305X_ESW_ATTR_PORT_DOUBLETAG:
+ esw->ports[idx].doubletag = val->value.i;
+ break;
+ case RT305X_ESW_ATTR_PORT_UNTAG:
+ esw->ports[idx].untag = val->value.i;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int esw_get_port_recv_badgood(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+ int idx = val->port_vlan;
+ int shift = attr->id == RT305X_ESW_ATTR_PORT_RECV_GOOD ? 0 : 16;
+ u32 reg;
+
+ if (idx < 0 || idx >= RT305X_ESW_NUM_LANWAN)
+ return -EINVAL;
+ reg = esw_r32(esw, RT305X_ESW_REG_PXPC(idx));
+ val->value.i = (reg >> shift) & 0xffff;
+
+ return 0;
+}
+
+static int
+esw_get_port_tr_badgood(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+ int idx = val->port_vlan;
+ int shift = attr->id == RT5350_ESW_ATTR_PORT_TR_GOOD ? 0 : 16;
+ u32 reg;
+
+ if ((ralink_soc != RT305X_SOC_RT5350) && (ralink_soc != MT762X_SOC_MT7628AN) && (ralink_soc != MT762X_SOC_MT7688))
+ return -EINVAL;
+
+ if (idx < 0 || idx >= RT305X_ESW_NUM_LANWAN)
+ return -EINVAL;
+
+ reg = esw_r32(esw, RT5350_ESW_REG_PXTPC(idx));
+ val->value.i = (reg >> shift) & 0xffff;
+
+ return 0;
+}
+
+static int esw_get_port_led(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+ int idx = val->port_vlan;
+
+ if (idx < 0 || idx >= RT305X_ESW_NUM_PORTS ||
+ idx >= RT305X_ESW_NUM_LEDS)
+ return -EINVAL;
+
+ val->value.i = esw_r32(esw, RT305X_ESW_REG_P0LED + 4*idx);
+
+ return 0;
+}
+
+static int esw_set_port_led(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+ int idx = val->port_vlan;
+
+ if (idx < 0 || idx >= RT305X_ESW_NUM_LEDS)
+ return -EINVAL;
+
+ esw->ports[idx].led = val->value.i;
+
+ return 0;
+}
+
+static int esw_get_port_pvid(struct switch_dev *dev, int port, int *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+ if (port >= RT305X_ESW_NUM_PORTS)
+ return -EINVAL;
+
+ *val = esw_get_pvid(esw, port);
+
+ return 0;
+}
+
+static int esw_set_port_pvid(struct switch_dev *dev, int port, int val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+
+ if (port >= RT305X_ESW_NUM_PORTS)
+ return -EINVAL;
+
+ esw->ports[port].pvid = val;
+
+ return 0;
+}
+
+static int esw_get_vlan_ports(struct switch_dev *dev, struct switch_val *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+ u32 vmsc, poc2;
+ int vlan_idx = -1;
+ int i;
+
+ val->len = 0;
+
+ if (val->port_vlan < 0 || val->port_vlan >= RT305X_ESW_NUM_VIDS)
+ return -EINVAL;
+
+ /* valid vlan? */
+ for (i = 0; i < RT305X_ESW_NUM_VLANS; i++) {
+ if (esw_get_vlan_id(esw, i) == val->port_vlan &&
+ esw_get_vmsc(esw, i) != RT305X_ESW_PORTS_NONE) {
+ vlan_idx = i;
+ break;
+ }
+ }
+
+ if (vlan_idx == -1)
+ return -EINVAL;
+
+ vmsc = esw_get_vmsc(esw, vlan_idx);
+ poc2 = esw_r32(esw, RT305X_ESW_REG_POC2);
+
+ for (i = 0; i < RT305X_ESW_NUM_PORTS; i++) {
+ struct switch_port *p;
+ int port_mask = 1 << i;
+
+ if (!(vmsc & port_mask))
+ continue;
+
+ p = &val->value.ports[val->len++];
+ p->id = i;
+ if (poc2 & (port_mask << RT305X_ESW_POC2_UNTAG_EN_S))
+ p->flags = 0;
+ else
+ p->flags = 1 << SWITCH_PORT_FLAG_TAGGED;
+ }
+
+ return 0;
+}
+
+static int esw_set_vlan_ports(struct switch_dev *dev, struct switch_val *val)
+{
+ struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
+ int ports;
+ int vlan_idx = -1;
+ int i;
+
+ if (val->port_vlan < 0 || val->port_vlan >= RT305X_ESW_NUM_VIDS ||
+ val->len > RT305X_ESW_NUM_PORTS)
+ return -EINVAL;
+
+ /* one of the already defined vlans? */
+ for (i = 0; i < RT305X_ESW_NUM_VLANS; i++) {
+ if (esw->vlans[i].vid == val->port_vlan &&
+ esw->vlans[i].ports != RT305X_ESW_PORTS_NONE) {
+ vlan_idx = i;
+ break;
+ }
+ }
+
+ /* select a free slot */
+ for (i = 0; vlan_idx == -1 && i < RT305X_ESW_NUM_VLANS; i++) {
+ if (esw->vlans[i].ports == RT305X_ESW_PORTS_NONE)
+ vlan_idx = i;
+ }
+
+ /* bail if all slots are in use */
+ if (vlan_idx == -1)
+ return -EINVAL;
+
+ ports = RT305X_ESW_PORTS_NONE;
+ for (i = 0; i < val->len; i++) {
+ struct switch_port *p = &val->value.ports[i];
+ int port_mask = 1 << p->id;
+ bool untagged = !(p->flags & (1 << SWITCH_PORT_FLAG_TAGGED));
+
+ if (p->id >= RT305X_ESW_NUM_PORTS)
+ return -EINVAL;
+
+ ports |= port_mask;
+ esw->ports[p->id].untag = untagged;
+ }
+ esw->vlans[vlan_idx].ports = ports;
+ if (ports == RT305X_ESW_PORTS_NONE)
+ esw->vlans[vlan_idx].vid = RT305X_ESW_VLAN_NONE;
+ else
+ esw->vlans[vlan_idx].vid = val->port_vlan;
+
+ return 0;
+}
+
+static const struct switch_attr esw_global[] = {
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "enable_vlan",
+ .description = "VLAN mode (1:enabled)",
+ .max = 1,
+ .id = RT305X_ESW_ATTR_ENABLE_VLAN,
+ .get = esw_get_vlan_enable,
+ .set = esw_set_vlan_enable,
+ },
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "alternate_vlan_disable",
+ .description = "Use en_vlan instead of doubletag to disable"
+ " VLAN mode",
+ .max = 1,
+ .id = RT305X_ESW_ATTR_ALT_VLAN_DISABLE,
+ .get = esw_get_alt_vlan_disable,
+ .set = esw_set_alt_vlan_disable,
+ },
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "bc_storm_protect",
+ .description = "Global broadcast storm protection (0:Disable, 1:64 blocks, 2:96 blocks, 3:128 blocks)",
+ .max = 3,
+ .id = RT305X_ESW_ATTR_BC_STATUS,
+ .get = rt305x_esw_get_bc_status,
+ .set = rt305x_esw_set_bc_status,
+ },
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "led_frequency",
+ .description = "LED Flash frequency (0:30mS, 1:60mS, 2:240mS, 3:480mS)",
+ .max = 3,
+ .id = RT305X_ESW_ATTR_LED_FREQ,
+ .get = rt305x_esw_get_led_freq,
+ .set = rt305x_esw_set_led_freq,
+ }
+};
+
+static const struct switch_attr esw_port[] = {
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "disable",
+ .description = "Port state (1:disabled)",
+ .max = 1,
+ .id = RT305X_ESW_ATTR_PORT_DISABLE,
+ .get = esw_get_port_bool,
+ .set = esw_set_port_bool,
+ },
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "doubletag",
+ .description = "Double tagging for incoming vlan packets "
+ "(1:enabled)",
+ .max = 1,
+ .id = RT305X_ESW_ATTR_PORT_DOUBLETAG,
+ .get = esw_get_port_bool,
+ .set = esw_set_port_bool,
+ },
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "untag",
+ .description = "Untag (1:strip outgoing vlan tag)",
+ .max = 1,
+ .id = RT305X_ESW_ATTR_PORT_UNTAG,
+ .get = esw_get_port_bool,
+ .set = esw_set_port_bool,
+ },
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "led",
+ .description = "LED mode (0:link, 1:100m, 2:duplex, 3:activity,"
+ " 4:collision, 5:linkact, 6:duplcoll, 7:10mact,"
+ " 8:100mact, 10:blink, 11:off, 12:on)",
+ .max = 15,
+ .id = RT305X_ESW_ATTR_PORT_LED,
+ .get = esw_get_port_led,
+ .set = esw_set_port_led,
+ },
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "lan",
+ .description = "HW port group (0:wan, 1:lan)",
+ .max = 1,
+ .id = RT305X_ESW_ATTR_PORT_LAN,
+ .get = esw_get_port_bool,
+ },
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "recv_bad",
+ .description = "Receive bad packet counter",
+ .id = RT305X_ESW_ATTR_PORT_RECV_BAD,
+ .get = esw_get_port_recv_badgood,
+ },
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "recv_good",
+ .description = "Receive good packet counter",
+ .id = RT305X_ESW_ATTR_PORT_RECV_GOOD,
+ .get = esw_get_port_recv_badgood,
+ },
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "tr_bad",
+
+ .description = "Transmit bad packet counter. rt5350 only",
+ .id = RT5350_ESW_ATTR_PORT_TR_BAD,
+ .get = esw_get_port_tr_badgood,
+ },
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "tr_good",
+
+ .description = "Transmit good packet counter. rt5350 only",
+ .id = RT5350_ESW_ATTR_PORT_TR_GOOD,
+ .get = esw_get_port_tr_badgood,
+ },
+};
+
+static const struct switch_attr esw_vlan[] = {
+};
+
+static const struct switch_dev_ops esw_ops = {
+ .attr_global = {
+ .attr = esw_global,
+ .n_attr = ARRAY_SIZE(esw_global),
+ },
+ .attr_port = {
+ .attr = esw_port,
+ .n_attr = ARRAY_SIZE(esw_port),
+ },
+ .attr_vlan = {
+ .attr = esw_vlan,
+ .n_attr = ARRAY_SIZE(esw_vlan),
+ },
+ .get_vlan_ports = esw_get_vlan_ports,
+ .set_vlan_ports = esw_set_vlan_ports,
+ .get_port_pvid = esw_get_port_pvid,
+ .set_port_pvid = esw_set_port_pvid,
+ .get_port_link = esw_get_port_link,
+ .apply_config = esw_apply_config,
+ .reset_switch = esw_reset_switch,
+};
+
+static int esw_probe(struct platform_device *pdev)
+{
+ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ struct device_node *np = pdev->dev.of_node;
+ const __be32 *port_map, *port_disable, *reg_init;
+ struct switch_dev *swdev;
+ struct rt305x_esw *esw;
+ int ret;
+
+ esw = devm_kzalloc(&pdev->dev, sizeof(*esw), GFP_KERNEL);
+ if (!esw)
+ return -ENOMEM;
+
+ esw->dev = &pdev->dev;
+ esw->irq = irq_of_parse_and_map(np, 0);
+ esw->base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(esw->base))
+ return PTR_ERR(esw->base);
+
+ port_map = of_get_property(np, "mediatek,portmap", NULL);
+ if (port_map)
+ esw->port_map = be32_to_cpu(*port_map);
+
+ port_disable = of_get_property(np, "mediatek,portdisable", NULL);
+ if (port_disable)
+ esw->port_disable = be32_to_cpu(*port_disable);
+
+ reg_init = of_get_property(np, "ralink,fct2", NULL);
+ if (reg_init)
+ esw->reg_initval_fct2 = be32_to_cpu(*reg_init);
+
+ reg_init = of_get_property(np, "ralink,fpa2", NULL);
+ if (reg_init)
+ esw->reg_initval_fpa2 = be32_to_cpu(*reg_init);
+
+ reg_init = of_get_property(np, "mediatek,led_polarity", NULL);
+ if (reg_init)
+ esw->reg_led_polarity = be32_to_cpu(*reg_init);
+
+ swdev = &esw->swdev;
+ swdev->of_node = pdev->dev.of_node;
+ swdev->name = "rt305x-esw";
+ swdev->alias = "rt305x";
+ swdev->cpu_port = RT305X_ESW_PORT6;
+ swdev->ports = RT305X_ESW_NUM_PORTS;
+ swdev->vlans = RT305X_ESW_NUM_VIDS;
+ swdev->ops = &esw_ops;
+
+ ret = register_switch(swdev, NULL);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "register_switch failed\n");
+ return ret;
+ }
+
+ platform_set_drvdata(pdev, esw);
+
+ spin_lock_init(&esw->reg_rw_lock);
+
+ esw_hw_init(esw);
+
+ reg_init = of_get_property(np, "ralink,rgmii", NULL);
+ if (reg_init && be32_to_cpu(*reg_init) == 1) {
+ /*
+ * External switch connected to RGMII interface.
+ * Unregister the switch device after initialization.
+ */
+ dev_err(&pdev->dev, "RGMII mode, not exporting switch device.\n");
+ unregister_switch(&esw->swdev);
+ platform_set_drvdata(pdev, NULL);
+ return -ENODEV;
+ }
+
+ ret = devm_request_irq(&pdev->dev, esw->irq, esw_interrupt, 0, "esw",
+ esw);
+
+ if (!ret) {
+ esw_w32(esw, RT305X_ESW_PORT_ST_CHG, RT305X_ESW_REG_ISR);
+ esw_w32(esw, ~RT305X_ESW_PORT_ST_CHG, RT305X_ESW_REG_IMR);
+ }
+
+ return ret;
+}
+
+static int esw_remove(struct platform_device *pdev)
+{
+ struct rt305x_esw *esw = platform_get_drvdata(pdev);
+
+ if (esw) {
+ esw_w32(esw, ~0, RT305X_ESW_REG_IMR);
+ platform_set_drvdata(pdev, NULL);
+ }
+
+ return 0;
+}
+
+static const struct of_device_id ralink_esw_match[] = {
+ { .compatible = "ralink,rt3050-esw" },
+ {},
+};
+MODULE_DEVICE_TABLE(of, ralink_esw_match);
+
+static struct platform_driver esw_driver = {
+ .probe = esw_probe,
+ .remove = esw_remove,
+ .driver = {
+ .name = "rt3050-esw",
+ .owner = THIS_MODULE,
+ .of_match_table = ralink_esw_match,
+ },
+};
+
+module_platform_driver(esw_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
+MODULE_DESCRIPTION("Switch driver for RT305X SoC");
+MODULE_VERSION(MTK_FE_DRV_VERSION);
--- /dev/null
+/* This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#ifndef _RALINK_ESW_RT3052_H__
+#define _RALINK_ESW_RT3052_H__
+
+#ifdef CONFIG_NET_MEDIATEK_ESW_RT3052
+
+int __init mtk_switch_init(void);
+void mtk_switch_exit(void);
+
+#else
+
+static inline int __init mtk_switch_init(void) { return 0; }
+static inline void mtk_switch_exit(void) { }
+
+#endif
+#endif
--- /dev/null
+/* This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include "mtk_eth_soc.h"
+
+static const char fe_gdma_str[][ETH_GSTRING_LEN] = {
+#define _FE(x...) # x,
+FE_STAT_REG_DECLARE
+#undef _FE
+};
+
+static int fe_get_link_ksettings(struct net_device *ndev,
+ struct ethtool_link_ksettings *cmd)
+{
+ struct fe_priv *priv = netdev_priv(ndev);
+
+ if (!priv->phy_dev)
+ return -ENODEV;
+
+ if (priv->phy_flags == FE_PHY_FLAG_ATTACH) {
+ if (phy_read_status(priv->phy_dev))
+ return -ENODEV;
+ }
+
+ phy_ethtool_ksettings_get(ndev->phydev, cmd);
+
+ return 0;
+}
+
+static int fe_set_link_ksettings(struct net_device *ndev,
+ const struct ethtool_link_ksettings *cmd)
+{
+ struct fe_priv *priv = netdev_priv(ndev);
+
+ if (!priv->phy_dev)
+ goto out_sset;
+
+ if (cmd->base.phy_address != priv->phy_dev->mdio.addr) {
+ if (priv->phy->phy_node[cmd->base.phy_address]) {
+ priv->phy_dev = priv->phy->phy[cmd->base.phy_address];
+ priv->phy_flags = FE_PHY_FLAG_PORT;
+ } else if (priv->mii_bus && mdiobus_get_phy(priv->mii_bus, cmd->base.phy_address)) {
+ priv->phy_dev = mdiobus_get_phy(priv->mii_bus, cmd->base.phy_address);
+ priv->phy_flags = FE_PHY_FLAG_ATTACH;
+ } else {
+ goto out_sset;
+ }
+ }
+
+ return phy_ethtool_ksettings_set(ndev->phydev, cmd);
+
+out_sset:
+ return -ENODEV;
+}
+
+static void fe_get_drvinfo(struct net_device *dev,
+ struct ethtool_drvinfo *info)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ struct fe_soc_data *soc = priv->soc;
+
+ strlcpy(info->driver, priv->dev->driver->name, sizeof(info->driver));
+ strlcpy(info->version, MTK_FE_DRV_VERSION, sizeof(info->version));
+ strlcpy(info->bus_info, dev_name(priv->dev), sizeof(info->bus_info));
+
+ if (soc->reg_table[FE_REG_FE_COUNTER_BASE])
+ info->n_stats = ARRAY_SIZE(fe_gdma_str);
+}
+
+static u32 fe_get_msglevel(struct net_device *dev)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+
+ return priv->msg_enable;
+}
+
+static void fe_set_msglevel(struct net_device *dev, u32 value)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+
+ priv->msg_enable = value;
+}
+
+static int fe_nway_reset(struct net_device *dev)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+
+ if (!priv->phy_dev)
+ goto out_nway_reset;
+
+ return genphy_restart_aneg(priv->phy_dev);
+
+out_nway_reset:
+ return -EOPNOTSUPP;
+}
+
+static u32 fe_get_link(struct net_device *dev)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ int err;
+
+ if (!priv->phy_dev)
+ goto out_get_link;
+
+ if (priv->phy_flags == FE_PHY_FLAG_ATTACH) {
+ err = genphy_update_link(priv->phy_dev);
+ if (err)
+ goto out_get_link;
+ }
+
+ return priv->phy_dev->link;
+
+out_get_link:
+ return ethtool_op_get_link(dev);
+}
+
+static int fe_set_ringparam(struct net_device *dev,
+ struct ethtool_ringparam *ring)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+
+ if ((ring->tx_pending < 2) ||
+ (ring->rx_pending < 2) ||
+ (ring->rx_pending > MAX_DMA_DESC) ||
+ (ring->tx_pending > MAX_DMA_DESC))
+ return -EINVAL;
+
+ dev->netdev_ops->ndo_stop(dev);
+
+ priv->tx_ring.tx_ring_size = BIT(fls(ring->tx_pending) - 1);
+ priv->rx_ring.rx_ring_size = BIT(fls(ring->rx_pending) - 1);
+
+ dev->netdev_ops->ndo_open(dev);
+
+ return 0;
+}
+
+static void fe_get_ringparam(struct net_device *dev,
+ struct ethtool_ringparam *ring)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+
+ ring->rx_max_pending = MAX_DMA_DESC;
+ ring->tx_max_pending = MAX_DMA_DESC;
+ ring->rx_pending = priv->rx_ring.rx_ring_size;
+ ring->tx_pending = priv->tx_ring.tx_ring_size;
+}
+
+static void fe_get_strings(struct net_device *dev, u32 stringset, u8 *data)
+{
+ switch (stringset) {
+ case ETH_SS_STATS:
+ memcpy(data, *fe_gdma_str, sizeof(fe_gdma_str));
+ break;
+ }
+}
+
+static int fe_get_sset_count(struct net_device *dev, int sset)
+{
+ switch (sset) {
+ case ETH_SS_STATS:
+ return ARRAY_SIZE(fe_gdma_str);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static void fe_get_ethtool_stats(struct net_device *dev,
+ struct ethtool_stats *stats, u64 *data)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ struct fe_hw_stats *hwstats = priv->hw_stats;
+ u64 *data_src, *data_dst;
+ unsigned int start;
+ int i;
+
+ if (netif_running(dev) && netif_device_present(dev)) {
+ if (spin_trylock(&hwstats->stats_lock)) {
+ fe_stats_update(priv);
+ spin_unlock(&hwstats->stats_lock);
+ }
+ }
+
+ do {
+ data_src = &hwstats->tx_bytes;
+ data_dst = data;
+ start = u64_stats_fetch_begin_irq(&hwstats->syncp);
+
+ for (i = 0; i < ARRAY_SIZE(fe_gdma_str); i++)
+ *data_dst++ = *data_src++;
+
+ } while (u64_stats_fetch_retry_irq(&hwstats->syncp, start));
+}
+
+static struct ethtool_ops fe_ethtool_ops = {
+ .get_link_ksettings = fe_get_link_ksettings,
+ .set_link_ksettings = fe_set_link_ksettings,
+ .get_drvinfo = fe_get_drvinfo,
+ .get_msglevel = fe_get_msglevel,
+ .set_msglevel = fe_set_msglevel,
+ .nway_reset = fe_nway_reset,
+ .get_link = fe_get_link,
+ .set_ringparam = fe_set_ringparam,
+ .get_ringparam = fe_get_ringparam,
+};
+
+void fe_set_ethtool_ops(struct net_device *netdev)
+{
+ struct fe_priv *priv = netdev_priv(netdev);
+ struct fe_soc_data *soc = priv->soc;
+
+ if (soc->reg_table[FE_REG_FE_COUNTER_BASE]) {
+ fe_ethtool_ops.get_strings = fe_get_strings;
+ fe_ethtool_ops.get_sset_count = fe_get_sset_count;
+ fe_ethtool_ops.get_ethtool_stats = fe_get_ethtool_stats;
+ }
+
+ netdev->ethtool_ops = &fe_ethtool_ops;
+}
--- /dev/null
+/* This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#ifndef FE_ETHTOOL_H
+#define FE_ETHTOOL_H
+
+#include <linux/ethtool.h>
+
+void fe_set_ethtool_ops(struct net_device *netdev);
+
+#endif /* FE_ETHTOOL_H */
--- /dev/null
+/* This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/platform_device.h>
+#include <linux/of_device.h>
+#include <linux/of_irq.h>
+
+#include <ralink_regs.h>
+
+#include "mtk_eth_soc.h"
+#include "gsw_mt7620.h"
+
+void mtk_switch_w32(struct mt7620_gsw *gsw, u32 val, unsigned reg)
+{
+ iowrite32(val, gsw->base + reg);
+}
+
+u32 mtk_switch_r32(struct mt7620_gsw *gsw, unsigned reg)
+{
+ return ioread32(gsw->base + reg);
+}
+
+static irqreturn_t gsw_interrupt_mt7620(int irq, void *_priv)
+{
+ struct fe_priv *priv = (struct fe_priv *)_priv;
+ struct mt7620_gsw *gsw = (struct mt7620_gsw *)priv->soc->swpriv;
+ u32 status;
+ int i, max = (gsw->port4 == PORT4_EPHY) ? (4) : (3);
+
+ status = mtk_switch_r32(gsw, GSW_REG_ISR);
+ if (status & PORT_IRQ_ST_CHG)
+ for (i = 0; i <= max; i++) {
+ u32 status = mtk_switch_r32(gsw, GSW_REG_PORT_STATUS(i));
+ int link = status & 0x1;
+
+ if (link != priv->link[i])
+ mt7620_print_link_state(priv, i, link,
+ (status >> 2) & 3,
+ (status & 0x2));
+
+ priv->link[i] = link;
+ }
+ mt7620_handle_carrier(priv);
+ mtk_switch_w32(gsw, status, GSW_REG_ISR);
+
+ return IRQ_HANDLED;
+}
+
+static void mt7620_hw_init(struct mt7620_gsw *gsw, struct device_node *np)
+{
+ u32 is_BGA = (rt_sysc_r32(0x0c) >> 16) & 1;
+
+ rt_sysc_w32(rt_sysc_r32(SYSC_REG_CFG1) | BIT(8), SYSC_REG_CFG1);
+ mtk_switch_w32(gsw, mtk_switch_r32(gsw, GSW_REG_CKGCR) & ~(0x3 << 4), GSW_REG_CKGCR);
+
+ /* Enable MIB stats */
+ mtk_switch_w32(gsw, mtk_switch_r32(gsw, GSW_REG_MIB_CNT_EN) | (1 << 1), GSW_REG_MIB_CNT_EN);
+
+ if (of_property_read_bool(np, "mediatek,mt7530")) {
+ u32 val;
+
+ /* turn off ephy and set phy base addr to 12 */
+ mtk_switch_w32(gsw, mtk_switch_r32(gsw, GSW_REG_GPC1) |
+ (0x1f << 24) | (0xc << 16),
+ GSW_REG_GPC1);
+
+ /* set MT7530 central align */
+ val = mt7530_mdio_r32(gsw, 0x7830);
+ val &= ~BIT(0);
+ val |= BIT(1);
+ mt7530_mdio_w32(gsw, 0x7830, val);
+
+ val = mt7530_mdio_r32(gsw, 0x7a40);
+ val &= ~BIT(30);
+ mt7530_mdio_w32(gsw, 0x7a40, val);
+
+ mt7530_mdio_w32(gsw, 0x7a78, 0x855);
+ } else {
+ /* global page 4 */
+ _mt7620_mii_write(gsw, 1, 31, 0x4000);
+
+ _mt7620_mii_write(gsw, 1, 17, 0x7444);
+ if (is_BGA)
+ _mt7620_mii_write(gsw, 1, 19, 0x0114);
+ else
+ _mt7620_mii_write(gsw, 1, 19, 0x0117);
+
+ _mt7620_mii_write(gsw, 1, 22, 0x10cf);
+ _mt7620_mii_write(gsw, 1, 25, 0x6212);
+ _mt7620_mii_write(gsw, 1, 26, 0x0777);
+ _mt7620_mii_write(gsw, 1, 29, 0x4000);
+ _mt7620_mii_write(gsw, 1, 28, 0xc077);
+ _mt7620_mii_write(gsw, 1, 24, 0x0000);
+
+ /* global page 3 */
+ _mt7620_mii_write(gsw, 1, 31, 0x3000);
+ _mt7620_mii_write(gsw, 1, 17, 0x4838);
+
+ /* global page 2 */
+ _mt7620_mii_write(gsw, 1, 31, 0x2000);
+ if (is_BGA) {
+ _mt7620_mii_write(gsw, 1, 21, 0x0515);
+ _mt7620_mii_write(gsw, 1, 22, 0x0053);
+ _mt7620_mii_write(gsw, 1, 23, 0x00bf);
+ _mt7620_mii_write(gsw, 1, 24, 0x0aaf);
+ _mt7620_mii_write(gsw, 1, 25, 0x0fad);
+ _mt7620_mii_write(gsw, 1, 26, 0x0fc1);
+ } else {
+ _mt7620_mii_write(gsw, 1, 21, 0x0517);
+ _mt7620_mii_write(gsw, 1, 22, 0x0fd2);
+ _mt7620_mii_write(gsw, 1, 23, 0x00bf);
+ _mt7620_mii_write(gsw, 1, 24, 0x0aab);
+ _mt7620_mii_write(gsw, 1, 25, 0x00ae);
+ _mt7620_mii_write(gsw, 1, 26, 0x0fff);
+ }
+ /* global page 1 */
+ _mt7620_mii_write(gsw, 1, 31, 0x1000);
+ _mt7620_mii_write(gsw, 1, 17, 0xe7f8);
+ }
+
+ /* global page 0 */
+ _mt7620_mii_write(gsw, 1, 31, 0x8000);
+ _mt7620_mii_write(gsw, 0, 30, 0xa000);
+ _mt7620_mii_write(gsw, 1, 30, 0xa000);
+ _mt7620_mii_write(gsw, 2, 30, 0xa000);
+ _mt7620_mii_write(gsw, 3, 30, 0xa000);
+
+ _mt7620_mii_write(gsw, 0, 4, 0x05e1);
+ _mt7620_mii_write(gsw, 1, 4, 0x05e1);
+ _mt7620_mii_write(gsw, 2, 4, 0x05e1);
+ _mt7620_mii_write(gsw, 3, 4, 0x05e1);
+
+ /* global page 2 */
+ _mt7620_mii_write(gsw, 1, 31, 0xa000);
+ _mt7620_mii_write(gsw, 0, 16, 0x1111);
+ _mt7620_mii_write(gsw, 1, 16, 0x1010);
+ _mt7620_mii_write(gsw, 2, 16, 0x1515);
+ _mt7620_mii_write(gsw, 3, 16, 0x0f0f);
+
+ /* CPU Port6 Force Link 1G, FC ON */
+ mtk_switch_w32(gsw, 0x5e33b, GSW_REG_PORT_PMCR(6));
+
+ /* Set Port 6 as CPU Port */
+ mtk_switch_w32(gsw, 0x7f7f7fe0, 0x0010);
+
+ /* setup port 4 */
+ if (gsw->port4 == PORT4_EPHY) {
+ u32 val = rt_sysc_r32(SYSC_REG_CFG1);
+
+ val |= 3 << 14;
+ rt_sysc_w32(val, SYSC_REG_CFG1);
+ _mt7620_mii_write(gsw, 4, 30, 0xa000);
+ _mt7620_mii_write(gsw, 4, 4, 0x05e1);
+ _mt7620_mii_write(gsw, 4, 16, 0x1313);
+ _mt7620_mii_write(gsw, 4, 0, 0x3100);
+ pr_info("gsw: setting port4 to ephy mode\n");
+ }
+}
+
+static const struct of_device_id mediatek_gsw_match[] = {
+ { .compatible = "mediatek,mt7620-gsw" },
+ {},
+};
+MODULE_DEVICE_TABLE(of, mediatek_gsw_match);
+
+int mtk_gsw_init(struct fe_priv *priv)
+{
+ struct device_node *np = priv->switch_np;
+ struct platform_device *pdev = of_find_device_by_node(np);
+ struct mt7620_gsw *gsw;
+
+ if (!pdev)
+ return -ENODEV;
+
+ if (!of_device_is_compatible(np, mediatek_gsw_match->compatible))
+ return -EINVAL;
+
+ gsw = platform_get_drvdata(pdev);
+ priv->soc->swpriv = gsw;
+
+ mt7620_hw_init(gsw, np);
+
+ if (gsw->irq) {
+ request_irq(gsw->irq, gsw_interrupt_mt7620, 0,
+ "gsw", priv);
+ mtk_switch_w32(gsw, ~PORT_IRQ_ST_CHG, GSW_REG_IMR);
+ }
+
+ return 0;
+}
+
+static int mt7620_gsw_probe(struct platform_device *pdev)
+{
+ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ const char *port4 = NULL;
+ struct mt7620_gsw *gsw;
+ struct device_node *np = pdev->dev.of_node;
+
+ gsw = devm_kzalloc(&pdev->dev, sizeof(struct mt7620_gsw), GFP_KERNEL);
+ if (!gsw)
+ return -ENOMEM;
+
+ gsw->base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(gsw->base))
+ return PTR_ERR(gsw->base);
+
+ gsw->dev = &pdev->dev;
+
+ of_property_read_string(np, "mediatek,port4", &port4);
+ if (port4 && !strcmp(port4, "ephy"))
+ gsw->port4 = PORT4_EPHY;
+ else if (port4 && !strcmp(port4, "gmac"))
+ gsw->port4 = PORT4_EXT;
+ else
+ gsw->port4 = PORT4_EPHY;
+
+ gsw->irq = platform_get_irq(pdev, 0);
+
+ platform_set_drvdata(pdev, gsw);
+
+ return 0;
+}
+
+static int mt7620_gsw_remove(struct platform_device *pdev)
+{
+ platform_set_drvdata(pdev, NULL);
+
+ return 0;
+}
+
+static struct platform_driver gsw_driver = {
+ .probe = mt7620_gsw_probe,
+ .remove = mt7620_gsw_remove,
+ .driver = {
+ .name = "mt7620-gsw",
+ .owner = THIS_MODULE,
+ .of_match_table = mediatek_gsw_match,
+ },
+};
+
+module_platform_driver(gsw_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
+MODULE_DESCRIPTION("GBit switch driver for Mediatek MT7620 SoC");
+MODULE_VERSION(MTK_FE_DRV_VERSION);
--- /dev/null
+/* This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#ifndef _RALINK_GSW_MT7620_H__
+#define _RALINK_GSW_MT7620_H__
+
+#define GSW_REG_PHY_TIMEOUT (5 * HZ)
+
+#ifdef CONFIG_SOC_MT7621
+#define MT7620A_GSW_REG_PIAC 0x0004
+#else
+#define MT7620A_GSW_REG_PIAC 0x7004
+#endif
+
+#define GSW_NUM_VLANS 16
+#define GSW_NUM_VIDS 4096
+#define GSW_NUM_PORTS 7
+#define GSW_PORT6 6
+
+#define GSW_MDIO_ACCESS BIT(31)
+#define GSW_MDIO_READ BIT(19)
+#define GSW_MDIO_WRITE BIT(18)
+#define GSW_MDIO_START BIT(16)
+#define GSW_MDIO_ADDR_SHIFT 20
+#define GSW_MDIO_REG_SHIFT 25
+
+#define GSW_REG_MIB_CNT_EN 0x4000
+
+#define GSW_REG_PORT_PMCR(x) (0x3000 + (x * 0x100))
+#define GSW_REG_PORT_STATUS(x) (0x3008 + (x * 0x100))
+#define GSW_REG_SMACCR0 0x3fE4
+#define GSW_REG_SMACCR1 0x3fE8
+#define GSW_REG_CKGCR 0x3ff0
+
+#define GSW_REG_IMR 0x7008
+#define GSW_REG_ISR 0x700c
+#define GSW_REG_GPC1 0x7014
+
+#define GSW_REG_MAC_P0_MCR 0x100
+#define GSW_REG_MAC_P1_MCR 0x200
+
+// Global MAC control register
+#define GSW_REG_GMACCR 0x30E0
+
+#define SYSC_REG_CHIP_REV_ID 0x0c
+#define SYSC_REG_CFG1 0x14
+#define RST_CTRL_MCM BIT(2)
+#define SYSC_PAD_RGMII2_MDIO 0x58
+#define SYSC_GPIO_MODE 0x60
+
+#define PORT_IRQ_ST_CHG 0x7f
+
+#ifdef CONFIG_SOC_MT7621
+#define ESW_PHY_POLLING 0x0000
+#else
+#define ESW_PHY_POLLING 0x7000
+#endif
+
+#define PMCR_IPG BIT(18)
+#define PMCR_MAC_MODE BIT(16)
+#define PMCR_FORCE BIT(15)
+#define PMCR_TX_EN BIT(14)
+#define PMCR_RX_EN BIT(13)
+#define PMCR_BACKOFF BIT(9)
+#define PMCR_BACKPRES BIT(8)
+#define PMCR_RX_FC BIT(5)
+#define PMCR_TX_FC BIT(4)
+#define PMCR_SPEED(_x) (_x << 2)
+#define PMCR_DUPLEX BIT(1)
+#define PMCR_LINK BIT(0)
+
+#define PHY_AN_EN BIT(31)
+#define PHY_PRE_EN BIT(30)
+#define PMY_MDC_CONF(_x) ((_x & 0x3f) << 24)
+
+
+enum {
+ /* Global attributes. */
+ GSW_ATTR_ENABLE_VLAN,
+ /* Port attributes. */
+ GSW_ATTR_PORT_UNTAG,
+};
+
+enum {
+ PORT4_EPHY = 0,
+ PORT4_EXT,
+};
+
+struct mt7620_gsw {
+ struct device *dev;
+ void __iomem *base;
+ int irq;
+ int port4;
+ unsigned long int autopoll;
+};
+
+void mtk_switch_w32(struct mt7620_gsw *gsw, u32 val, unsigned reg);
+u32 mtk_switch_r32(struct mt7620_gsw *gsw, unsigned reg);
+int mtk_gsw_init(struct fe_priv *priv);
+
+int mt7620_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val);
+int mt7620_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg);
+void mt7620_mdio_link_adjust(struct fe_priv *priv, int port);
+int mt7620_has_carrier(struct fe_priv *priv);
+void mt7620_print_link_state(struct fe_priv *priv, int port, int link,
+ int speed, int duplex);
+
+void mt7530_mdio_w32(struct mt7620_gsw *gsw, u32 reg, u32 val);
+u32 mt7530_mdio_r32(struct mt7620_gsw *gsw, u32 reg);
+
+u32 _mt7620_mii_write(struct mt7620_gsw *gsw, u32 phy_addr,
+ u32 phy_register, u32 write_data);
+u32 _mt7620_mii_read(struct mt7620_gsw *gsw, int phy_addr, int phy_reg);
+void mt7620_handle_carrier(struct fe_priv *priv);
+
+#endif
--- /dev/null
+/* This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/platform_device.h>
+#include <linux/of_device.h>
+#include <linux/of_irq.h>
+
+#include <ralink_regs.h>
+
+#include "mtk_eth_soc.h"
+#include "gsw_mt7620.h"
+
+void mtk_switch_w32(struct mt7620_gsw *gsw, u32 val, unsigned reg)
+{
+ iowrite32(val, gsw->base + reg);
+}
+
+u32 mtk_switch_r32(struct mt7620_gsw *gsw, unsigned reg)
+{
+ return ioread32(gsw->base + reg);
+}
+
+static irqreturn_t gsw_interrupt_mt7621(int irq, void *_priv)
+{
+ struct fe_priv *priv = (struct fe_priv *)_priv;
+ struct mt7620_gsw *gsw = (struct mt7620_gsw *)priv->soc->swpriv;
+ u32 reg, i;
+
+ reg = mt7530_mdio_r32(gsw, 0x700c);
+ mt7530_mdio_w32(gsw, 0x700c, reg);
+
+ for (i = 0; i < 5; i++)
+ if (reg & BIT(i)) {
+ unsigned int link;
+
+ link = mt7530_mdio_r32(gsw,
+ 0x3008 + (i * 0x100)) & 0x1;
+
+ if (link != priv->link[i]) {
+ priv->link[i] = link;
+ if (link)
+ netdev_info(priv->netdev,
+ "port %d link up\n", i);
+ else
+ netdev_info(priv->netdev,
+ "port %d link down\n", i);
+ }
+ }
+
+ mt7620_handle_carrier(priv);
+
+ return IRQ_HANDLED;
+}
+
+static void mt7621_hw_init(struct mt7620_gsw *gsw, struct device_node *np)
+{
+ u32 i;
+ u32 val;
+
+ /* wardware reset the switch */
+ fe_reset(RST_CTRL_MCM);
+ mdelay(10);
+
+ /* reduce RGMII2 PAD driving strength */
+ rt_sysc_m32(3 << 4, 0, SYSC_PAD_RGMII2_MDIO);
+
+ /* gpio mux - RGMII1=Normal mode */
+ rt_sysc_m32(BIT(14), 0, SYSC_GPIO_MODE);
+
+ /* set GMAC1 RGMII mode */
+ rt_sysc_m32(3 << 12, 0, SYSC_REG_CFG1);
+
+ /* enable MDIO to control MT7530 */
+ rt_sysc_m32(3 << 12, 0, SYSC_GPIO_MODE);
+
+ /* turn off all PHYs */
+ for (i = 0; i <= 4; i++) {
+ val = _mt7620_mii_read(gsw, i, 0x0);
+ val |= BIT(11);
+ _mt7620_mii_write(gsw, i, 0x0, val);
+ }
+
+ /* reset the switch */
+ mt7530_mdio_w32(gsw, 0x7000, 0x3);
+ usleep_range(10, 20);
+
+ if ((rt_sysc_r32(SYSC_REG_CHIP_REV_ID) & 0xFFFF) == 0x0101) {
+ /* (GE1, Force 1000M/FD, FC ON, MAX_RX_LENGTH 1536) */
+ mtk_switch_w32(gsw, 0x2305e30b, GSW_REG_MAC_P0_MCR);
+ mt7530_mdio_w32(gsw, 0x3600, 0x5e30b);
+ } else {
+ /* (GE1, Force 1000M/FD, FC ON, MAX_RX_LENGTH 1536) */
+ mtk_switch_w32(gsw, 0x2305e33b, GSW_REG_MAC_P0_MCR);
+ mt7530_mdio_w32(gsw, 0x3600, 0x5e33b);
+ }
+
+ /* (GE2, Link down) */
+ mtk_switch_w32(gsw, 0x8000, GSW_REG_MAC_P1_MCR);
+
+ /* Set switch max RX frame length to 2k */
+ mt7530_mdio_w32(gsw, GSW_REG_GMACCR, 0x3F0B);
+
+ /* Enable Port 6, P5 as GMAC5, P5 disable */
+ val = mt7530_mdio_r32(gsw, 0x7804);
+ val &= ~BIT(8);
+ val |= BIT(6) | BIT(13) | BIT(16);
+ mt7530_mdio_w32(gsw, 0x7804, val);
+
+ val = rt_sysc_r32(0x10);
+ val = (val >> 6) & 0x7;
+ if (val >= 6) {
+ /* 25Mhz Xtal - do nothing */
+ } else if (val >= 3) {
+ /* 40Mhz */
+
+ /* disable MT7530 core clock */
+ _mt7620_mii_write(gsw, 0, 13, 0x1f);
+ _mt7620_mii_write(gsw, 0, 14, 0x410);
+ _mt7620_mii_write(gsw, 0, 13, 0x401f);
+ _mt7620_mii_write(gsw, 0, 14, 0x0);
+
+ /* disable MT7530 PLL */
+ _mt7620_mii_write(gsw, 0, 13, 0x1f);
+ _mt7620_mii_write(gsw, 0, 14, 0x40d);
+ _mt7620_mii_write(gsw, 0, 13, 0x401f);
+ _mt7620_mii_write(gsw, 0, 14, 0x2020);
+
+ /* for MT7530 core clock = 500Mhz */
+ _mt7620_mii_write(gsw, 0, 13, 0x1f);
+ _mt7620_mii_write(gsw, 0, 14, 0x40e);
+ _mt7620_mii_write(gsw, 0, 13, 0x401f);
+ _mt7620_mii_write(gsw, 0, 14, 0x119);
+
+ /* enable MT7530 PLL */
+ _mt7620_mii_write(gsw, 0, 13, 0x1f);
+ _mt7620_mii_write(gsw, 0, 14, 0x40d);
+ _mt7620_mii_write(gsw, 0, 13, 0x401f);
+ _mt7620_mii_write(gsw, 0, 14, 0x2820);
+
+ usleep_range(20, 40);
+
+ /* enable MT7530 core clock */
+ _mt7620_mii_write(gsw, 0, 13, 0x1f);
+ _mt7620_mii_write(gsw, 0, 14, 0x410);
+ _mt7620_mii_write(gsw, 0, 13, 0x401f);
+ } else {
+ /* 20Mhz Xtal - TODO */
+ }
+
+ /* RGMII */
+ _mt7620_mii_write(gsw, 0, 14, 0x1);
+
+ /* set MT7530 central align */
+ val = mt7530_mdio_r32(gsw, 0x7830);
+ val &= ~BIT(0);
+ val |= BIT(1);
+ mt7530_mdio_w32(gsw, 0x7830, val);
+ val = mt7530_mdio_r32(gsw, 0x7a40);
+ val &= ~BIT(30);
+ mt7530_mdio_w32(gsw, 0x7a40, val);
+ mt7530_mdio_w32(gsw, 0x7a78, 0x855);
+
+ /* delay setting for 10/1000M */
+ mt7530_mdio_w32(gsw, 0x7b00, 0x102);
+ mt7530_mdio_w32(gsw, 0x7b04, 0x14);
+
+ /* lower Tx Driving*/
+ mt7530_mdio_w32(gsw, 0x7a54, 0x44);
+ mt7530_mdio_w32(gsw, 0x7a5c, 0x44);
+ mt7530_mdio_w32(gsw, 0x7a64, 0x44);
+ mt7530_mdio_w32(gsw, 0x7a6c, 0x44);
+ mt7530_mdio_w32(gsw, 0x7a74, 0x44);
+ mt7530_mdio_w32(gsw, 0x7a7c, 0x44);
+
+ /* turn on all PHYs */
+ for (i = 0; i <= 4; i++) {
+ val = _mt7620_mii_read(gsw, i, 0);
+ val &= ~BIT(11);
+ _mt7620_mii_write(gsw, i, 0, val);
+ }
+
+ /* enable irq */
+ mt7530_mdio_w32(gsw, 0x7008, 0x1f);
+ val = mt7530_mdio_r32(gsw, 0x7808);
+ val |= 3 << 16;
+ mt7530_mdio_w32(gsw, 0x7808, val);
+}
+
+static const struct of_device_id mediatek_gsw_match[] = {
+ { .compatible = "mediatek,mt7621-gsw" },
+ {},
+};
+MODULE_DEVICE_TABLE(of, mediatek_gsw_match);
+
+int mtk_gsw_init(struct fe_priv *priv)
+{
+ struct device_node *np = priv->switch_np;
+ struct platform_device *pdev = of_find_device_by_node(np);
+ struct mt7620_gsw *gsw;
+
+ if (!pdev)
+ return -ENODEV;
+
+ if (!of_device_is_compatible(np, mediatek_gsw_match->compatible))
+ return -EINVAL;
+
+ gsw = platform_get_drvdata(pdev);
+ priv->soc->swpriv = gsw;
+
+ if (gsw->irq) {
+ request_irq(gsw->irq, gsw_interrupt_mt7621, 0,
+ "gsw", priv);
+ disable_irq(gsw->irq);
+ }
+
+ mt7621_hw_init(gsw, np);
+
+ if (gsw->irq)
+ enable_irq(gsw->irq);
+
+ return 0;
+}
+
+static int mt7621_gsw_probe(struct platform_device *pdev)
+{
+ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ struct mt7620_gsw *gsw;
+
+ gsw = devm_kzalloc(&pdev->dev, sizeof(struct mt7620_gsw), GFP_KERNEL);
+ if (!gsw)
+ return -ENOMEM;
+
+ gsw->base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(gsw->base))
+ return PTR_ERR(gsw->base);
+
+ gsw->dev = &pdev->dev;
+ gsw->irq = platform_get_irq(pdev, 0);
+
+ platform_set_drvdata(pdev, gsw);
+
+ return 0;
+}
+
+static int mt7621_gsw_remove(struct platform_device *pdev)
+{
+ platform_set_drvdata(pdev, NULL);
+
+ return 0;
+}
+
+static struct platform_driver gsw_driver = {
+ .probe = mt7621_gsw_probe,
+ .remove = mt7621_gsw_remove,
+ .driver = {
+ .name = "mt7621-gsw",
+ .owner = THIS_MODULE,
+ .of_match_table = mediatek_gsw_match,
+ },
+};
+
+module_platform_driver(gsw_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
+MODULE_DESCRIPTION("GBit switch driver for Mediatek MT7621 SoC");
+MODULE_VERSION(MTK_FE_DRV_VERSION);
--- /dev/null
+/* This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
+ *
+ * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/phy.h>
+#include <linux/of_net.h>
+#include <linux/of_mdio.h>
+
+#include "mtk_eth_soc.h"
+#include "mdio.h"
+
+static int fe_mdio_reset(struct mii_bus *bus)
+{
+ /* TODO */
+ return 0;
+}
+
+static void fe_phy_link_adjust(struct net_device *dev)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ unsigned long flags;
+ int i;
+
+ spin_lock_irqsave(&priv->phy->lock, flags);
+ for (i = 0; i < 8; i++) {
+ if (priv->phy->phy_node[i]) {
+ struct phy_device *phydev = priv->phy->phy[i];
+ int status_change = 0;
+
+ if (phydev->link)
+ if (priv->phy->duplex[i] != phydev->duplex ||
+ priv->phy->speed[i] != phydev->speed)
+ status_change = 1;
+
+ if (phydev->link != priv->link[i])
+ status_change = 1;
+
+ switch (phydev->speed) {
+ case SPEED_1000:
+ case SPEED_100:
+ case SPEED_10:
+ priv->link[i] = phydev->link;
+ priv->phy->duplex[i] = phydev->duplex;
+ priv->phy->speed[i] = phydev->speed;
+
+ if (status_change &&
+ priv->soc->mdio_adjust_link)
+ priv->soc->mdio_adjust_link(priv, i);
+ break;
+ }
+ }
+ }
+ spin_unlock_irqrestore(&priv->phy->lock, flags);
+}
+
+int fe_connect_phy_node(struct fe_priv *priv, struct device_node *phy_node)
+{
+ const __be32 *_port = NULL;
+ struct phy_device *phydev;
+ int phy_mode, port;
+
+ _port = of_get_property(phy_node, "reg", NULL);
+
+ if (!_port || (be32_to_cpu(*_port) >= 0x20)) {
+ pr_err("%s: invalid port id\n", phy_node->name);
+ return -EINVAL;
+ }
+ port = be32_to_cpu(*_port);
+ phy_mode = of_get_phy_mode(phy_node);
+ if (phy_mode < 0) {
+ dev_err(priv->dev, "incorrect phy-mode %d\n", phy_mode);
+ priv->phy->phy_node[port] = NULL;
+ return -EINVAL;
+ }
+
+ phydev = of_phy_connect(priv->netdev, phy_node, fe_phy_link_adjust,
+ 0, phy_mode);
+ if (!phydev) {
+ dev_err(priv->dev, "could not connect to PHY\n");
+ priv->phy->phy_node[port] = NULL;
+ return -ENODEV;
+ }
+
+ phydev->supported &= PHY_GBIT_FEATURES;
+ phydev->advertising = phydev->supported;
+ phydev->no_auto_carrier_off = 1;
+
+ dev_info(priv->dev,
+ "connected port %d to PHY at %s [uid=%08x, driver=%s]\n",
+ port, dev_name(&phydev->mdio.dev), phydev->phy_id,
+ phydev->drv->name);
+
+ priv->phy->phy[port] = phydev;
+ priv->link[port] = 0;
+
+ return 0;
+}
+
+static void phy_init(struct fe_priv *priv, struct phy_device *phy)
+{
+ phy_attach(priv->netdev, dev_name(&phy->mdio.dev), PHY_INTERFACE_MODE_MII);
+
+ phy->autoneg = AUTONEG_ENABLE;
+ phy->speed = 0;
+ phy->duplex = 0;
+ phy->supported &= IS_ENABLED(CONFIG_NET_MEDIATEK_MDIO_MT7620) ?
+ PHY_GBIT_FEATURES : PHY_BASIC_FEATURES;
+ phy->advertising = phy->supported | ADVERTISED_Autoneg;
+
+ phy_start_aneg(phy);
+}
+
+static int fe_phy_connect(struct fe_priv *priv)
+{
+ int i;
+
+ for (i = 0; i < 8; i++) {
+ if (priv->phy->phy_node[i]) {
+ if (!priv->phy_dev) {
+ priv->phy_dev = priv->phy->phy[i];
+ priv->phy_flags = FE_PHY_FLAG_PORT;
+ }
+ } else if (priv->mii_bus && mdiobus_get_phy(priv->mii_bus, i)) {
+ phy_init(priv, mdiobus_get_phy(priv->mii_bus, i));
+ if (!priv->phy_dev) {
+ priv->phy_dev = mdiobus_get_phy(priv->mii_bus, i);
+ priv->phy_flags = FE_PHY_FLAG_ATTACH;
+ }
+ }
+ }
+
+ return 0;
+}
+
+static void fe_phy_disconnect(struct fe_priv *priv)
+{
+ unsigned long flags;
+ int i;
+
+ for (i = 0; i < 8; i++)
+ if (priv->phy->phy_fixed[i]) {
+ spin_lock_irqsave(&priv->phy->lock, flags);
+ priv->link[i] = 0;
+ if (priv->soc->mdio_adjust_link)
+ priv->soc->mdio_adjust_link(priv, i);
+ spin_unlock_irqrestore(&priv->phy->lock, flags);
+ } else if (priv->phy->phy[i]) {
+ phy_disconnect(priv->phy->phy[i]);
+ } else if (priv->mii_bus && mdiobus_get_phy(priv->mii_bus, i)) {
+ phy_detach(mdiobus_get_phy(priv->mii_bus, i));
+ }
+}
+
+static void fe_phy_start(struct fe_priv *priv)
+{
+ unsigned long flags;
+ int i;
+
+ for (i = 0; i < 8; i++) {
+ if (priv->phy->phy_fixed[i]) {
+ spin_lock_irqsave(&priv->phy->lock, flags);
+ priv->link[i] = 1;
+ if (priv->soc->mdio_adjust_link)
+ priv->soc->mdio_adjust_link(priv, i);
+ spin_unlock_irqrestore(&priv->phy->lock, flags);
+ } else if (priv->phy->phy[i]) {
+ phy_start(priv->phy->phy[i]);
+ }
+ }
+}
+
+static void fe_phy_stop(struct fe_priv *priv)
+{
+ unsigned long flags;
+ int i;
+
+ for (i = 0; i < 8; i++)
+ if (priv->phy->phy_fixed[i]) {
+ spin_lock_irqsave(&priv->phy->lock, flags);
+ priv->link[i] = 0;
+ if (priv->soc->mdio_adjust_link)
+ priv->soc->mdio_adjust_link(priv, i);
+ spin_unlock_irqrestore(&priv->phy->lock, flags);
+ } else if (priv->phy->phy[i]) {
+ phy_stop(priv->phy->phy[i]);
+ }
+}
+
+static struct fe_phy phy_ralink = {
+ .connect = fe_phy_connect,
+ .disconnect = fe_phy_disconnect,
+ .start = fe_phy_start,
+ .stop = fe_phy_stop,
+};
+
+int fe_mdio_init(struct fe_priv *priv)
+{
+ struct device_node *mii_np;
+ int err;
+
+ if (!priv->soc->mdio_read || !priv->soc->mdio_write)
+ return 0;
+
+ spin_lock_init(&phy_ralink.lock);
+ priv->phy = &phy_ralink;
+
+ mii_np = of_get_child_by_name(priv->dev->of_node, "mdio-bus");
+ if (!mii_np) {
+ dev_err(priv->dev, "no %s child node found", "mdio-bus");
+ return -ENODEV;
+ }
+
+ if (!of_device_is_available(mii_np)) {
+ err = 0;
+ goto err_put_node;
+ }
+
+ priv->mii_bus = mdiobus_alloc();
+ if (!priv->mii_bus) {
+ err = -ENOMEM;
+ goto err_put_node;
+ }
+
+ priv->mii_bus->name = "mdio";
+ priv->mii_bus->read = priv->soc->mdio_read;
+ priv->mii_bus->write = priv->soc->mdio_write;
+ priv->mii_bus->reset = fe_mdio_reset;
+ priv->mii_bus->priv = priv;
+ priv->mii_bus->parent = priv->dev;
+
+ snprintf(priv->mii_bus->id, MII_BUS_ID_SIZE, "%s", mii_np->name);
+ err = of_mdiobus_register(priv->mii_bus, mii_np);
+ if (err)
+ goto err_free_bus;
+
+ return 0;
+
+err_free_bus:
+ kfree(priv->mii_bus);
+err_put_node:
+ of_node_put(mii_np);
+ priv->mii_bus = NULL;
+ return err;
+}
+
+void fe_mdio_cleanup(struct fe_priv *priv)
+{
+ if (!priv->mii_bus)
+ return;
+
+ mdiobus_unregister(priv->mii_bus);
+ of_node_put(priv->mii_bus->dev.of_node);
+ kfree(priv->mii_bus);
+}
--- /dev/null
+/* This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#ifndef _RALINK_MDIO_H__
+#define _RALINK_MDIO_H__
+
+#ifdef CONFIG_NET_MEDIATEK_MDIO
+int fe_mdio_init(struct fe_priv *priv);
+void fe_mdio_cleanup(struct fe_priv *priv);
+int fe_connect_phy_node(struct fe_priv *priv,
+ struct device_node *phy_node);
+#else
+static inline int fe_mdio_init(struct fe_priv *priv) { return 0; }
+static inline void fe_mdio_cleanup(struct fe_priv *priv) {}
+#endif
+#endif
--- /dev/null
+/* This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+
+#include "mtk_eth_soc.h"
+#include "gsw_mt7620.h"
+#include "mdio.h"
+
+static int mt7620_mii_busy_wait(struct mt7620_gsw *gsw)
+{
+ unsigned long t_start = jiffies;
+
+ while (1) {
+ if (!(mtk_switch_r32(gsw, MT7620A_GSW_REG_PIAC) & GSW_MDIO_ACCESS))
+ return 0;
+ if (time_after(jiffies, t_start + GSW_REG_PHY_TIMEOUT))
+ break;
+ }
+
+ dev_err(gsw->dev, "mdio: MDIO timeout\n");
+ return -1;
+}
+
+u32 _mt7620_mii_write(struct mt7620_gsw *gsw, u32 phy_addr,
+ u32 phy_register, u32 write_data)
+{
+ if (mt7620_mii_busy_wait(gsw))
+ return -1;
+
+ write_data &= 0xffff;
+
+ mtk_switch_w32(gsw, GSW_MDIO_ACCESS | GSW_MDIO_START | GSW_MDIO_WRITE |
+ (phy_register << GSW_MDIO_REG_SHIFT) |
+ (phy_addr << GSW_MDIO_ADDR_SHIFT) | write_data,
+ MT7620A_GSW_REG_PIAC);
+
+ if (mt7620_mii_busy_wait(gsw))
+ return -1;
+
+ return 0;
+}
+
+u32 _mt7620_mii_read(struct mt7620_gsw *gsw, int phy_addr, int phy_reg)
+{
+ u32 d;
+
+ if (mt7620_mii_busy_wait(gsw))
+ return 0xffff;
+
+ mtk_switch_w32(gsw, GSW_MDIO_ACCESS | GSW_MDIO_START | GSW_MDIO_READ |
+ (phy_reg << GSW_MDIO_REG_SHIFT) |
+ (phy_addr << GSW_MDIO_ADDR_SHIFT),
+ MT7620A_GSW_REG_PIAC);
+
+ if (mt7620_mii_busy_wait(gsw))
+ return 0xffff;
+
+ d = mtk_switch_r32(gsw, MT7620A_GSW_REG_PIAC) & 0xffff;
+
+ return d;
+}
+
+int mt7620_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val)
+{
+ struct fe_priv *priv = bus->priv;
+ struct mt7620_gsw *gsw = (struct mt7620_gsw *)priv->soc->swpriv;
+
+ return _mt7620_mii_write(gsw, phy_addr, phy_reg, val);
+}
+
+int mt7620_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg)
+{
+ struct fe_priv *priv = bus->priv;
+ struct mt7620_gsw *gsw = (struct mt7620_gsw *)priv->soc->swpriv;
+
+ return _mt7620_mii_read(gsw, phy_addr, phy_reg);
+}
+
+void mt7530_mdio_w32(struct mt7620_gsw *gsw, u32 reg, u32 val)
+{
+ _mt7620_mii_write(gsw, 0x1f, 0x1f, (reg >> 6) & 0x3ff);
+ _mt7620_mii_write(gsw, 0x1f, (reg >> 2) & 0xf, val & 0xffff);
+ _mt7620_mii_write(gsw, 0x1f, 0x10, val >> 16);
+}
+
+u32 mt7530_mdio_r32(struct mt7620_gsw *gsw, u32 reg)
+{
+ u16 high, low;
+
+ _mt7620_mii_write(gsw, 0x1f, 0x1f, (reg >> 6) & 0x3ff);
+ low = _mt7620_mii_read(gsw, 0x1f, (reg >> 2) & 0xf);
+ high = _mt7620_mii_read(gsw, 0x1f, 0x10);
+
+ return (high << 16) | (low & 0xffff);
+}
+
+static unsigned char *fe_speed_str(int speed)
+{
+ switch (speed) {
+ case 2:
+ case SPEED_1000:
+ return "1000";
+ case 1:
+ case SPEED_100:
+ return "100";
+ case 0:
+ case SPEED_10:
+ return "10";
+ }
+
+ return "? ";
+}
+
+int mt7620_has_carrier(struct fe_priv *priv)
+{
+ struct mt7620_gsw *gsw = (struct mt7620_gsw *)priv->soc->swpriv;
+ int i;
+
+ for (i = 0; i < GSW_PORT6; i++)
+ if (mtk_switch_r32(gsw, GSW_REG_PORT_STATUS(i)) & 0x1)
+ return 1;
+ return 0;
+}
+
+
+void mt7620_handle_carrier(struct fe_priv *priv)
+{
+ if (!priv->phy)
+ return;
+
+ if (mt7620_has_carrier(priv))
+ netif_carrier_on(priv->netdev);
+ else
+ netif_carrier_off(priv->netdev);
+}
+
+void mt7620_print_link_state(struct fe_priv *priv, int port, int link,
+ int speed, int duplex)
+{
+ if (link)
+ netdev_info(priv->netdev, "port %d link up (%sMbps/%s duplex)\n",
+ port, fe_speed_str(speed),
+ (duplex) ? "Full" : "Half");
+ else
+ netdev_info(priv->netdev, "port %d link down\n", port);
+}
+
+void mt7620_mdio_link_adjust(struct fe_priv *priv, int port)
+{
+ mt7620_print_link_state(priv, port, priv->link[port],
+ priv->phy->speed[port],
+ (priv->phy->duplex[port] == DUPLEX_FULL));
+ mt7620_handle_carrier(priv);
+}
--- /dev/null
+/* This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/of_net.h>
+#include <linux/of_mdio.h>
+
+#include "mtk_eth_soc.h"
+#include "mdio_rt2880.h"
+#include "mdio.h"
+
+#define FE_MDIO_RETRY 1000
+
+static unsigned char *rt2880_speed_str(struct fe_priv *priv)
+{
+ switch (priv->phy->speed[0]) {
+ case SPEED_1000:
+ return "1000";
+ case SPEED_100:
+ return "100";
+ case SPEED_10:
+ return "10";
+ }
+
+ return "?";
+}
+
+void rt2880_mdio_link_adjust(struct fe_priv *priv, int port)
+{
+ u32 mdio_cfg;
+
+ if (!priv->link[0]) {
+ netif_carrier_off(priv->netdev);
+ netdev_info(priv->netdev, "link down\n");
+ return;
+ }
+
+ mdio_cfg = FE_MDIO_CFG_TX_CLK_SKEW_200 |
+ FE_MDIO_CFG_RX_CLK_SKEW_200 |
+ FE_MDIO_CFG_GP1_FRC_EN;
+
+ if (priv->phy->duplex[0] == DUPLEX_FULL)
+ mdio_cfg |= FE_MDIO_CFG_GP1_DUPLEX;
+
+ if (priv->phy->tx_fc[0])
+ mdio_cfg |= FE_MDIO_CFG_GP1_FC_TX;
+
+ if (priv->phy->rx_fc[0])
+ mdio_cfg |= FE_MDIO_CFG_GP1_FC_RX;
+
+ switch (priv->phy->speed[0]) {
+ case SPEED_10:
+ mdio_cfg |= FE_MDIO_CFG_GP1_SPEED_10;
+ break;
+ case SPEED_100:
+ mdio_cfg |= FE_MDIO_CFG_GP1_SPEED_100;
+ break;
+ case SPEED_1000:
+ mdio_cfg |= FE_MDIO_CFG_GP1_SPEED_1000;
+ break;
+ default:
+ BUG();
+ }
+
+ fe_w32(mdio_cfg, FE_MDIO_CFG);
+
+ netif_carrier_on(priv->netdev);
+ netdev_info(priv->netdev, "link up (%sMbps/%s duplex)\n",
+ rt2880_speed_str(priv),
+ (priv->phy->duplex[0] == DUPLEX_FULL) ? "Full" : "Half");
+}
+
+static int rt2880_mdio_wait_ready(struct fe_priv *priv)
+{
+ int retries;
+
+ retries = FE_MDIO_RETRY;
+ while (1) {
+ u32 t;
+
+ t = fe_r32(FE_MDIO_ACCESS);
+ if ((t & BIT(31)) == 0)
+ return 0;
+
+ if (retries-- == 0)
+ break;
+
+ udelay(1);
+ }
+
+ dev_err(priv->dev, "MDIO operation timed out\n");
+ return -ETIMEDOUT;
+}
+
+int rt2880_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg)
+{
+ struct fe_priv *priv = bus->priv;
+ int err;
+ u32 t;
+
+ err = rt2880_mdio_wait_ready(priv);
+ if (err)
+ return 0xffff;
+
+ t = (phy_addr << 24) | (phy_reg << 16);
+ fe_w32(t, FE_MDIO_ACCESS);
+ t |= BIT(31);
+ fe_w32(t, FE_MDIO_ACCESS);
+
+ err = rt2880_mdio_wait_ready(priv);
+ if (err)
+ return 0xffff;
+
+ pr_debug("%s: addr=%04x, reg=%04x, value=%04x\n", __func__,
+ phy_addr, phy_reg, fe_r32(FE_MDIO_ACCESS) & 0xffff);
+
+ return fe_r32(FE_MDIO_ACCESS) & 0xffff;
+}
+
+int rt2880_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val)
+{
+ struct fe_priv *priv = bus->priv;
+ int err;
+ u32 t;
+
+ pr_debug("%s: addr=%04x, reg=%04x, value=%04x\n", __func__,
+ phy_addr, phy_reg, fe_r32(FE_MDIO_ACCESS) & 0xffff);
+
+ err = rt2880_mdio_wait_ready(priv);
+ if (err)
+ return err;
+
+ t = (1 << 30) | (phy_addr << 24) | (phy_reg << 16) | val;
+ fe_w32(t, FE_MDIO_ACCESS);
+ t |= BIT(31);
+ fe_w32(t, FE_MDIO_ACCESS);
+
+ return rt2880_mdio_wait_ready(priv);
+}
+
+void rt2880_port_init(struct fe_priv *priv, struct device_node *np)
+{
+ const __be32 *id = of_get_property(np, "reg", NULL);
+ const __be32 *link;
+ int size;
+ int phy_mode;
+
+ if (!id || (be32_to_cpu(*id) != 0)) {
+ pr_err("%s: invalid port id\n", np->name);
+ return;
+ }
+
+ priv->phy->phy_fixed[0] = of_get_property(np,
+ "mediatek,fixed-link", &size);
+ if (priv->phy->phy_fixed[0] &&
+ (size != (4 * sizeof(*priv->phy->phy_fixed[0])))) {
+ pr_err("%s: invalid fixed link property\n", np->name);
+ priv->phy->phy_fixed[0] = NULL;
+ return;
+ }
+
+ phy_mode = of_get_phy_mode(np);
+ switch (phy_mode) {
+ case PHY_INTERFACE_MODE_RGMII:
+ break;
+ case PHY_INTERFACE_MODE_MII:
+ break;
+ case PHY_INTERFACE_MODE_RMII:
+ break;
+ default:
+ if (!priv->phy->phy_fixed[0])
+ dev_err(priv->dev, "port %d - invalid phy mode\n",
+ priv->phy->speed[0]);
+ break;
+ }
+
+ priv->phy->phy_node[0] = of_parse_phandle(np, "phy-handle", 0);
+ if (!priv->phy->phy_node[0] && !priv->phy->phy_fixed[0])
+ return;
+
+ if (priv->phy->phy_fixed[0]) {
+ link = priv->phy->phy_fixed[0];
+ priv->phy->speed[0] = be32_to_cpup(link++);
+ priv->phy->duplex[0] = be32_to_cpup(link++);
+ priv->phy->tx_fc[0] = be32_to_cpup(link++);
+ priv->phy->rx_fc[0] = be32_to_cpup(link++);
+
+ priv->link[0] = 1;
+ switch (priv->phy->speed[0]) {
+ case SPEED_10:
+ break;
+ case SPEED_100:
+ break;
+ case SPEED_1000:
+ break;
+ default:
+ dev_err(priv->dev, "invalid link speed: %d\n",
+ priv->phy->speed[0]);
+ priv->phy->phy_fixed[0] = 0;
+ return;
+ }
+ dev_info(priv->dev, "using fixed link parameters\n");
+ rt2880_mdio_link_adjust(priv, 0);
+ return;
+ }
+
+ if (priv->phy->phy_node[0] && mdiobus_get_phy(priv->mii_bus, 0))
+ fe_connect_phy_node(priv, priv->phy->phy_node[0]);
+}
--- /dev/null
+/* This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#ifndef _RALINK_MDIO_RT2880_H__
+#define _RALINK_MDIO_RT2880_H__
+
+void rt2880_mdio_link_adjust(struct fe_priv *priv, int port);
+int rt2880_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg);
+int rt2880_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val);
+void rt2880_port_init(struct fe_priv *priv, struct device_node *np);
+
+#endif
--- /dev/null
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2016 Vitaly Chekryzhev <13hakta@gmail.com>
+ */
+
+#include <linux/if.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/list.h>
+#include <linux/if_ether.h>
+#include <linux/skbuff.h>
+#include <linux/netdevice.h>
+#include <linux/netlink.h>
+#include <linux/bitops.h>
+#include <net/genetlink.h>
+#include <linux/switch.h>
+#include <linux/delay.h>
+#include <linux/phy.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/lockdep.h>
+#include <linux/workqueue.h>
+#include <linux/of_device.h>
+
+#include "mt7530.h"
+
+#define MT7530_CPU_PORT 6
+#define MT7530_NUM_PORTS 8
+#ifdef CONFIG_SOC_MT7621
+#define MT7530_NUM_VLANS 4095
+#else
+#define MT7530_NUM_VLANS 16
+#endif
+#define MT7530_MAX_VID 4095
+#define MT7530_MIN_VID 0
+
+#define MT7530_PORT_MIB_TXB_ID 2 /* TxGOC */
+#define MT7530_PORT_MIB_RXB_ID 6 /* RxGOC */
+
+#define MT7621_PORT_MIB_TXB_ID 18 /* TxByte */
+#define MT7621_PORT_MIB_RXB_ID 37 /* RxByte */
+
+/* registers */
+#define REG_ESW_VLAN_VTCR 0x90
+#define REG_ESW_VLAN_VAWD1 0x94
+#define REG_ESW_VLAN_VAWD2 0x98
+#define REG_ESW_VLAN_VTIM(x) (0x100 + 4 * ((x) / 2))
+
+#define REG_ESW_VLAN_VAWD1_IVL_MAC BIT(30)
+#define REG_ESW_VLAN_VAWD1_VTAG_EN BIT(28)
+#define REG_ESW_VLAN_VAWD1_VALID BIT(0)
+
+/* vlan egress mode */
+enum {
+ ETAG_CTRL_UNTAG = 0,
+ ETAG_CTRL_TAG = 2,
+ ETAG_CTRL_SWAP = 1,
+ ETAG_CTRL_STACK = 3,
+};
+
+#define REG_ESW_PORT_PCR(x) (0x2004 | ((x) << 8))
+#define REG_ESW_PORT_PVC(x) (0x2010 | ((x) << 8))
+#define REG_ESW_PORT_PPBV1(x) (0x2014 | ((x) << 8))
+
+#define REG_HWTRAP 0x7804
+
+#define MIB_DESC(_s , _o, _n) \
+ { \
+ .size = (_s), \
+ .offset = (_o), \
+ .name = (_n), \
+ }
+
+struct mt7xxx_mib_desc {
+ unsigned int size;
+ unsigned int offset;
+ const char *name;
+};
+
+static const struct mt7xxx_mib_desc mt7620_mibs[] = {
+ MIB_DESC(1, MT7620_MIB_STATS_PPE_AC_BCNT0, "PPE_AC_BCNT0"),
+ MIB_DESC(1, MT7620_MIB_STATS_PPE_AC_PCNT0, "PPE_AC_PCNT0"),
+ MIB_DESC(1, MT7620_MIB_STATS_PPE_AC_BCNT63, "PPE_AC_BCNT63"),
+ MIB_DESC(1, MT7620_MIB_STATS_PPE_AC_PCNT63, "PPE_AC_PCNT63"),
+ MIB_DESC(1, MT7620_MIB_STATS_PPE_MTR_CNT0, "PPE_MTR_CNT0"),
+ MIB_DESC(1, MT7620_MIB_STATS_PPE_MTR_CNT63, "PPE_MTR_CNT63"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM1_TX_GBCNT, "GDM1_TX_GBCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM1_TX_GPCNT, "GDM1_TX_GPCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM1_TX_SKIPCNT, "GDM1_TX_SKIPCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM1_TX_COLCNT, "GDM1_TX_COLCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM1_RX_GBCNT1, "GDM1_RX_GBCNT1"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM1_RX_GPCNT1, "GDM1_RX_GPCNT1"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM1_RX_OERCNT, "GDM1_RX_OERCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM1_RX_FERCNT, "GDM1_RX_FERCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM1_RX_SERCNT, "GDM1_RX_SERCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM1_RX_LERCNT, "GDM1_RX_LERCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM1_RX_CERCNT, "GDM1_RX_CERCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM1_RX_FCCNT, "GDM1_RX_FCCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM2_TX_GBCNT, "GDM2_TX_GBCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM2_TX_GPCNT, "GDM2_TX_GPCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM2_TX_SKIPCNT, "GDM2_TX_SKIPCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM2_TX_COLCNT, "GDM2_TX_COLCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM2_RX_GBCNT, "GDM2_RX_GBCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM2_RX_GPCNT, "GDM2_RX_GPCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM2_RX_OERCNT, "GDM2_RX_OERCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM2_RX_FERCNT, "GDM2_RX_FERCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM2_RX_SERCNT, "GDM2_RX_SERCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM2_RX_LERCNT, "GDM2_RX_LERCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM2_RX_CERCNT, "GDM2_RX_CERCNT"),
+ MIB_DESC(1, MT7620_MIB_STATS_GDM2_RX_FCCNT, "GDM2_RX_FCCNT")
+};
+
+static const struct mt7xxx_mib_desc mt7620_port_mibs[] = {
+ MIB_DESC(1, MT7620_MIB_STATS_PORT_TGPCN, "TxGPC"),
+ MIB_DESC(1, MT7620_MIB_STATS_PORT_TBOCN, "TxBOC"),
+ MIB_DESC(1, MT7620_MIB_STATS_PORT_TGOCN, "TxGOC"),
+ MIB_DESC(1, MT7620_MIB_STATS_PORT_TEPCN, "TxEPC"),
+ MIB_DESC(1, MT7620_MIB_STATS_PORT_RGPCN, "RxGPC"),
+ MIB_DESC(1, MT7620_MIB_STATS_PORT_RBOCN, "RxBOC"),
+ MIB_DESC(1, MT7620_MIB_STATS_PORT_RGOCN, "RxGOC"),
+ MIB_DESC(1, MT7620_MIB_STATS_PORT_REPC1N, "RxEPC1"),
+ MIB_DESC(1, MT7620_MIB_STATS_PORT_REPC2N, "RxEPC2")
+};
+
+static const struct mt7xxx_mib_desc mt7621_mibs[] = {
+ MIB_DESC(1, MT7621_STATS_TDPC, "TxDrop"),
+ MIB_DESC(1, MT7621_STATS_TCRC, "TxCRC"),
+ MIB_DESC(1, MT7621_STATS_TUPC, "TxUni"),
+ MIB_DESC(1, MT7621_STATS_TMPC, "TxMulti"),
+ MIB_DESC(1, MT7621_STATS_TBPC, "TxBroad"),
+ MIB_DESC(1, MT7621_STATS_TCEC, "TxCollision"),
+ MIB_DESC(1, MT7621_STATS_TSCEC, "TxSingleCol"),
+ MIB_DESC(1, MT7621_STATS_TMCEC, "TxMultiCol"),
+ MIB_DESC(1, MT7621_STATS_TDEC, "TxDefer"),
+ MIB_DESC(1, MT7621_STATS_TLCEC, "TxLateCol"),
+ MIB_DESC(1, MT7621_STATS_TXCEC, "TxExcCol"),
+ MIB_DESC(1, MT7621_STATS_TPPC, "TxPause"),
+ MIB_DESC(1, MT7621_STATS_TL64PC, "Tx64Byte"),
+ MIB_DESC(1, MT7621_STATS_TL65PC, "Tx65Byte"),
+ MIB_DESC(1, MT7621_STATS_TL128PC, "Tx128Byte"),
+ MIB_DESC(1, MT7621_STATS_TL256PC, "Tx256Byte"),
+ MIB_DESC(1, MT7621_STATS_TL512PC, "Tx512Byte"),
+ MIB_DESC(1, MT7621_STATS_TL1024PC, "Tx1024Byte"),
+ MIB_DESC(2, MT7621_STATS_TOC, "TxByte"),
+ MIB_DESC(1, MT7621_STATS_RDPC, "RxDrop"),
+ MIB_DESC(1, MT7621_STATS_RFPC, "RxFiltered"),
+ MIB_DESC(1, MT7621_STATS_RUPC, "RxUni"),
+ MIB_DESC(1, MT7621_STATS_RMPC, "RxMulti"),
+ MIB_DESC(1, MT7621_STATS_RBPC, "RxBroad"),
+ MIB_DESC(1, MT7621_STATS_RAEPC, "RxAlignErr"),
+ MIB_DESC(1, MT7621_STATS_RCEPC, "RxCRC"),
+ MIB_DESC(1, MT7621_STATS_RUSPC, "RxUnderSize"),
+ MIB_DESC(1, MT7621_STATS_RFEPC, "RxFragment"),
+ MIB_DESC(1, MT7621_STATS_ROSPC, "RxOverSize"),
+ MIB_DESC(1, MT7621_STATS_RJEPC, "RxJabber"),
+ MIB_DESC(1, MT7621_STATS_RPPC, "RxPause"),
+ MIB_DESC(1, MT7621_STATS_RL64PC, "Rx64Byte"),
+ MIB_DESC(1, MT7621_STATS_RL65PC, "Rx65Byte"),
+ MIB_DESC(1, MT7621_STATS_RL128PC, "Rx128Byte"),
+ MIB_DESC(1, MT7621_STATS_RL256PC, "Rx256Byte"),
+ MIB_DESC(1, MT7621_STATS_RL512PC, "Rx512Byte"),
+ MIB_DESC(1, MT7621_STATS_RL1024PC, "Rx1024Byte"),
+ MIB_DESC(2, MT7621_STATS_ROC, "RxByte"),
+ MIB_DESC(1, MT7621_STATS_RDPC_CTRL, "RxCtrlDrop"),
+ MIB_DESC(1, MT7621_STATS_RDPC_ING, "RxIngDrop"),
+ MIB_DESC(1, MT7621_STATS_RDPC_ARL, "RxARLDrop")
+};
+
+enum {
+ /* Global attributes. */
+ MT7530_ATTR_ENABLE_VLAN,
+};
+
+struct mt7530_port_entry {
+ u16 pvid;
+};
+
+struct mt7530_vlan_entry {
+ u16 vid;
+ u8 member;
+ u8 etags;
+};
+
+struct mt7530_priv {
+ void __iomem *base;
+ struct mii_bus *bus;
+ struct switch_dev swdev;
+
+ bool global_vlan_enable;
+ struct mt7530_vlan_entry vlan_entries[MT7530_NUM_VLANS];
+ struct mt7530_port_entry port_entries[MT7530_NUM_PORTS];
+};
+
+struct mt7530_mapping {
+ char *name;
+ u16 pvids[MT7530_NUM_PORTS];
+ u8 members[MT7530_NUM_VLANS];
+ u8 etags[MT7530_NUM_VLANS];
+ u16 vids[MT7530_NUM_VLANS];
+} mt7530_defaults[] = {
+ {
+ .name = "llllw",
+ .pvids = { 1, 1, 1, 1, 2, 1, 1 },
+ .members = { 0, 0x6f, 0x50 },
+ .etags = { 0, 0x40, 0x40 },
+ .vids = { 0, 1, 2 },
+ }, {
+ .name = "wllll",
+ .pvids = { 2, 1, 1, 1, 1, 1, 1 },
+ .members = { 0, 0x7e, 0x41 },
+ .etags = { 0, 0x40, 0x40 },
+ .vids = { 0, 1, 2 },
+ }, {
+ .name = "lwlll",
+ .pvids = { 1, 2, 1, 1, 1, 1, 1 },
+ .members = { 0, 0x7d, 0x42 },
+ .etags = { 0, 0x40, 0x40 },
+ .vids = { 0, 1, 2 },
+ },
+};
+
+struct mt7530_mapping*
+mt7530_find_mapping(struct device_node *np)
+{
+ const char *map;
+ int i;
+
+ if (of_property_read_string(np, "mediatek,portmap", &map))
+ return NULL;
+
+ for (i = 0; i < ARRAY_SIZE(mt7530_defaults); i++)
+ if (!strcmp(map, mt7530_defaults[i].name))
+ return &mt7530_defaults[i];
+
+ return NULL;
+}
+
+static void
+mt7530_apply_mapping(struct mt7530_priv *mt7530, struct mt7530_mapping *map)
+{
+ int i = 0;
+
+ for (i = 0; i < MT7530_NUM_PORTS; i++)
+ mt7530->port_entries[i].pvid = map->pvids[i];
+
+ for (i = 0; i < MT7530_NUM_VLANS; i++) {
+ mt7530->vlan_entries[i].member = map->members[i];
+ mt7530->vlan_entries[i].etags = map->etags[i];
+ mt7530->vlan_entries[i].vid = map->vids[i];
+ }
+}
+
+static int
+mt7530_reset_switch(struct switch_dev *dev)
+{
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+ int i;
+
+ memset(priv->port_entries, 0, sizeof(priv->port_entries));
+ memset(priv->vlan_entries, 0, sizeof(priv->vlan_entries));
+
+ /* set default vid of each vlan to the same number of vlan, so the vid
+ * won't need be set explicitly.
+ */
+ for (i = 0; i < MT7530_NUM_VLANS; i++) {
+ priv->vlan_entries[i].vid = i;
+ }
+
+ return 0;
+}
+
+static int
+mt7530_get_vlan_enable(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+
+ val->value.i = priv->global_vlan_enable;
+
+ return 0;
+}
+
+static int
+mt7530_set_vlan_enable(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+
+ priv->global_vlan_enable = val->value.i != 0;
+
+ return 0;
+}
+
+static u32
+mt7530_r32(struct mt7530_priv *priv, u32 reg)
+{
+ u32 val;
+ if (priv->bus) {
+ u16 high, low;
+
+ mdiobus_write(priv->bus, 0x1f, 0x1f, (reg >> 6) & 0x3ff);
+ low = mdiobus_read(priv->bus, 0x1f, (reg >> 2) & 0xf);
+ high = mdiobus_read(priv->bus, 0x1f, 0x10);
+
+ return (high << 16) | (low & 0xffff);
+ }
+
+ val = ioread32(priv->base + reg);
+ pr_debug("MT7530 MDIO Read [%04x]=%08x\n", reg, val);
+
+ return val;
+}
+
+static void
+mt7530_w32(struct mt7530_priv *priv, u32 reg, u32 val)
+{
+ if (priv->bus) {
+ mdiobus_write(priv->bus, 0x1f, 0x1f, (reg >> 6) & 0x3ff);
+ mdiobus_write(priv->bus, 0x1f, (reg >> 2) & 0xf, val & 0xffff);
+ mdiobus_write(priv->bus, 0x1f, 0x10, val >> 16);
+ return;
+ }
+
+ pr_debug("MT7530 MDIO Write[%04x]=%08x\n", reg, val);
+ iowrite32(val, priv->base + reg);
+}
+
+static void
+mt7530_vtcr(struct mt7530_priv *priv, u32 cmd, u32 val)
+{
+ int i;
+
+ mt7530_w32(priv, REG_ESW_VLAN_VTCR, BIT(31) | (cmd << 12) | val);
+
+ for (i = 0; i < 20; i++) {
+ u32 val = mt7530_r32(priv, REG_ESW_VLAN_VTCR);
+
+ if ((val & BIT(31)) == 0)
+ break;
+
+ udelay(1000);
+ }
+ if (i == 20)
+ printk("mt7530: vtcr timeout\n");
+}
+
+static int
+mt7530_get_port_pvid(struct switch_dev *dev, int port, int *val)
+{
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+
+ if (port >= MT7530_NUM_PORTS)
+ return -EINVAL;
+
+ *val = mt7530_r32(priv, REG_ESW_PORT_PPBV1(port));
+ *val &= 0xfff;
+
+ return 0;
+}
+
+static int
+mt7530_set_port_pvid(struct switch_dev *dev, int port, int pvid)
+{
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+
+ if (port >= MT7530_NUM_PORTS)
+ return -EINVAL;
+
+ if (pvid < MT7530_MIN_VID || pvid > MT7530_MAX_VID)
+ return -EINVAL;
+
+ priv->port_entries[port].pvid = pvid;
+
+ return 0;
+}
+
+static int
+mt7530_get_vlan_ports(struct switch_dev *dev, struct switch_val *val)
+{
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+ u32 member;
+ u32 etags;
+ int i;
+
+ val->len = 0;
+
+ if (val->port_vlan < 0 || val->port_vlan >= MT7530_NUM_VLANS)
+ return -EINVAL;
+
+ mt7530_vtcr(priv, 0, val->port_vlan);
+
+ member = mt7530_r32(priv, REG_ESW_VLAN_VAWD1);
+ member >>= 16;
+ member &= 0xff;
+
+ etags = mt7530_r32(priv, REG_ESW_VLAN_VAWD2);
+
+ for (i = 0; i < MT7530_NUM_PORTS; i++) {
+ struct switch_port *p;
+ int etag;
+
+ if (!(member & BIT(i)))
+ continue;
+
+ p = &val->value.ports[val->len++];
+ p->id = i;
+
+ etag = (etags >> (i * 2)) & 0x3;
+
+ if (etag == ETAG_CTRL_TAG)
+ p->flags |= BIT(SWITCH_PORT_FLAG_TAGGED);
+ else if (etag != ETAG_CTRL_UNTAG)
+ printk("vlan egress tag control neither untag nor tag.\n");
+ }
+
+ return 0;
+}
+
+static int
+mt7530_set_vlan_ports(struct switch_dev *dev, struct switch_val *val)
+{
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+ u8 member = 0;
+ u8 etags = 0;
+ int i;
+
+ if (val->port_vlan < 0 || val->port_vlan >= MT7530_NUM_VLANS ||
+ val->len > MT7530_NUM_PORTS)
+ return -EINVAL;
+
+ for (i = 0; i < val->len; i++) {
+ struct switch_port *p = &val->value.ports[i];
+
+ if (p->id >= MT7530_NUM_PORTS)
+ return -EINVAL;
+
+ member |= BIT(p->id);
+
+ if (p->flags & BIT(SWITCH_PORT_FLAG_TAGGED))
+ etags |= BIT(p->id);
+ }
+ priv->vlan_entries[val->port_vlan].member = member;
+ priv->vlan_entries[val->port_vlan].etags = etags;
+
+ return 0;
+}
+
+static int
+mt7530_set_vid(struct switch_dev *dev, const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+ int vlan;
+ u16 vid;
+
+ vlan = val->port_vlan;
+ vid = (u16)val->value.i;
+
+ if (vlan < 0 || vlan >= MT7530_NUM_VLANS)
+ return -EINVAL;
+
+ if (vid < MT7530_MIN_VID || vid > MT7530_MAX_VID)
+ return -EINVAL;
+
+ priv->vlan_entries[vlan].vid = vid;
+ return 0;
+}
+
+static int
+mt7621_get_vid(struct switch_dev *dev, const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ val->value.i = val->port_vlan;
+ return 0;
+}
+
+static int
+mt7530_get_vid(struct switch_dev *dev, const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+ u32 vid;
+ int vlan;
+
+ vlan = val->port_vlan;
+
+ vid = mt7530_r32(priv, REG_ESW_VLAN_VTIM(vlan));
+ if (vlan & 1)
+ vid = vid >> 12;
+ vid &= 0xfff;
+
+ val->value.i = vid;
+ return 0;
+}
+
+static void
+mt7530_write_vlan_entry(struct mt7530_priv *priv, int vlan, u16 vid,
+ u8 ports, u8 etags)
+{
+ int port;
+ u32 val;
+
+#ifndef CONFIG_SOC_MT7621
+ /* vid of vlan */
+ val = mt7530_r32(priv, REG_ESW_VLAN_VTIM(vlan));
+ if (vlan % 2 == 0) {
+ val &= 0xfff000;
+ val |= vid;
+ } else {
+ val &= 0xfff;
+ val |= (vid << 12);
+ }
+ mt7530_w32(priv, REG_ESW_VLAN_VTIM(vlan), val);
+#endif
+
+ /* vlan port membership */
+ if (ports)
+ mt7530_w32(priv, REG_ESW_VLAN_VAWD1, REG_ESW_VLAN_VAWD1_IVL_MAC |
+ REG_ESW_VLAN_VAWD1_VTAG_EN | (ports << 16) |
+ REG_ESW_VLAN_VAWD1_VALID);
+ else
+ mt7530_w32(priv, REG_ESW_VLAN_VAWD1, 0);
+
+ /* egress mode */
+ val = 0;
+ for (port = 0; port < MT7530_NUM_PORTS; port++) {
+ if (etags & BIT(port))
+ val |= ETAG_CTRL_TAG << (port * 2);
+ else
+ val |= ETAG_CTRL_UNTAG << (port * 2);
+ }
+ mt7530_w32(priv, REG_ESW_VLAN_VAWD2, val);
+
+ /* write to vlan table */
+#ifdef CONFIG_SOC_MT7621
+ mt7530_vtcr(priv, 1, vid);
+#else
+ mt7530_vtcr(priv, 1, vlan);
+#endif
+}
+
+static int
+mt7530_apply_config(struct switch_dev *dev)
+{
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+ int i, j;
+ u8 tag_ports;
+ u8 untag_ports;
+
+ if (!priv->global_vlan_enable) {
+ for (i = 0; i < MT7530_NUM_PORTS; i++)
+ mt7530_w32(priv, REG_ESW_PORT_PCR(i), 0x00400000);
+
+ mt7530_w32(priv, REG_ESW_PORT_PCR(MT7530_CPU_PORT), 0x00ff0000);
+
+ for (i = 0; i < MT7530_NUM_PORTS; i++)
+ mt7530_w32(priv, REG_ESW_PORT_PVC(i), 0x810000c0);
+
+ return 0;
+ }
+
+ /* set all ports as security mode */
+ for (i = 0; i < MT7530_NUM_PORTS; i++)
+ mt7530_w32(priv, REG_ESW_PORT_PCR(i), 0x00ff0003);
+
+ /* check if a port is used in tag/untag vlan egress mode */
+ tag_ports = 0;
+ untag_ports = 0;
+
+ for (i = 0; i < MT7530_NUM_VLANS; i++) {
+ u8 member = priv->vlan_entries[i].member;
+ u8 etags = priv->vlan_entries[i].etags;
+
+ if (!member)
+ continue;
+
+ for (j = 0; j < MT7530_NUM_PORTS; j++) {
+ if (!(member & BIT(j)))
+ continue;
+
+ if (etags & BIT(j))
+ tag_ports |= 1u << j;
+ else
+ untag_ports |= 1u << j;
+ }
+ }
+
+ /* set all untag-only ports as transparent and the rest as user port */
+ for (i = 0; i < MT7530_NUM_PORTS; i++) {
+ u32 pvc_mode = 0x81000000;
+
+ if (untag_ports & BIT(i) && !(tag_ports & BIT(i)))
+ pvc_mode = 0x810000c0;
+
+ mt7530_w32(priv, REG_ESW_PORT_PVC(i), pvc_mode);
+ }
+
+ /* first clear the swtich vlan table */
+ for (i = 0; i < MT7530_NUM_VLANS; i++)
+ mt7530_write_vlan_entry(priv, i, i, 0, 0);
+
+ /* now program only vlans with members to avoid
+ clobbering remapped entries in later iterations */
+ for (i = 0; i < MT7530_NUM_VLANS; i++) {
+ u16 vid = priv->vlan_entries[i].vid;
+ u8 member = priv->vlan_entries[i].member;
+ u8 etags = priv->vlan_entries[i].etags;
+
+ if (member)
+ mt7530_write_vlan_entry(priv, i, vid, member, etags);
+ }
+
+ /* Port Default PVID */
+ for (i = 0; i < MT7530_NUM_PORTS; i++) {
+ int vlan = priv->port_entries[i].pvid;
+ u16 pvid = 0;
+ u32 val;
+
+ if (vlan < MT7530_NUM_VLANS && priv->vlan_entries[vlan].member)
+ pvid = priv->vlan_entries[vlan].vid;
+
+ val = mt7530_r32(priv, REG_ESW_PORT_PPBV1(i));
+ val &= ~0xfff;
+ val |= pvid;
+ mt7530_w32(priv, REG_ESW_PORT_PPBV1(i), val);
+ }
+
+ return 0;
+}
+
+static int
+mt7530_get_port_link(struct switch_dev *dev, int port,
+ struct switch_port_link *link)
+{
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+ u32 speed, pmsr;
+
+ if (port < 0 || port >= MT7530_NUM_PORTS)
+ return -EINVAL;
+
+ pmsr = mt7530_r32(priv, 0x3008 + (0x100 * port));
+
+ link->link = pmsr & 1;
+ link->duplex = (pmsr >> 1) & 1;
+ speed = (pmsr >> 2) & 3;
+
+ switch (speed) {
+ case 0:
+ link->speed = SWITCH_PORT_SPEED_10;
+ break;
+ case 1:
+ link->speed = SWITCH_PORT_SPEED_100;
+ break;
+ case 2:
+ case 3: /* forced gige speed can be 2 or 3 */
+ link->speed = SWITCH_PORT_SPEED_1000;
+ break;
+ default:
+ link->speed = SWITCH_PORT_SPEED_UNKNOWN;
+ break;
+ }
+
+ return 0;
+}
+
+static u64 get_mib_counter(struct mt7530_priv *priv, int i, int port)
+{
+ unsigned int port_base;
+ u64 lo;
+
+ port_base = MT7621_MIB_COUNTER_BASE +
+ MT7621_MIB_COUNTER_PORT_OFFSET * port;
+
+ lo = mt7530_r32(priv, port_base + mt7621_mibs[i].offset);
+ if (mt7621_mibs[i].size == 2) {
+ u64 hi;
+
+ hi = mt7530_r32(priv, port_base + mt7621_mibs[i].offset + 4);
+ lo |= hi << 32;
+ }
+
+ return lo;
+}
+
+static int mt7621_sw_get_port_mib(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ static char buf[4096];
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+ int i, len = 0;
+
+ if (val->port_vlan >= MT7530_NUM_PORTS)
+ return -EINVAL;
+
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "Port %d MIB counters\n", val->port_vlan);
+
+ for (i = 0; i < ARRAY_SIZE(mt7621_mibs); ++i) {
+ u64 counter;
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "%-11s: ", mt7621_mibs[i].name);
+ counter = get_mib_counter(priv, i, val->port_vlan);
+ len += snprintf(buf + len, sizeof(buf) - len, "%llu\n",
+ counter);
+ }
+
+ val->value.s = buf;
+ val->len = len;
+ return 0;
+}
+
+static u64 get_mib_counter_7620(struct mt7530_priv *priv, int i)
+{
+ return mt7530_r32(priv, MT7620_MIB_COUNTER_BASE + mt7620_mibs[i].offset);
+}
+
+static u64 get_mib_counter_port_7620(struct mt7530_priv *priv, int i, int port)
+{
+ return mt7530_r32(priv,
+ MT7620_MIB_COUNTER_BASE_PORT +
+ (MT7620_MIB_COUNTER_PORT_OFFSET * port) +
+ mt7620_port_mibs[i].offset);
+}
+
+static int mt7530_sw_get_mib(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ static char buf[4096];
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+ int i, len = 0;
+
+ len += snprintf(buf + len, sizeof(buf) - len, "Switch MIB counters\n");
+
+ for (i = 0; i < ARRAY_SIZE(mt7620_mibs); ++i) {
+ u64 counter;
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "%-11s: ", mt7620_mibs[i].name);
+ counter = get_mib_counter_7620(priv, i);
+ len += snprintf(buf + len, sizeof(buf) - len, "%llu\n",
+ counter);
+ }
+
+ val->value.s = buf;
+ val->len = len;
+ return 0;
+}
+
+static int mt7530_sw_get_port_mib(struct switch_dev *dev,
+ const struct switch_attr *attr,
+ struct switch_val *val)
+{
+ static char buf[4096];
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+ int i, len = 0;
+
+ if (val->port_vlan >= MT7530_NUM_PORTS)
+ return -EINVAL;
+
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "Port %d MIB counters\n", val->port_vlan);
+
+ for (i = 0; i < ARRAY_SIZE(mt7620_port_mibs); ++i) {
+ u64 counter;
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "%-11s: ", mt7620_port_mibs[i].name);
+ counter = get_mib_counter_port_7620(priv, i, val->port_vlan);
+ len += snprintf(buf + len, sizeof(buf) - len, "%llu\n",
+ counter);
+ }
+
+ val->value.s = buf;
+ val->len = len;
+ return 0;
+}
+
+static int mt7530_get_port_stats(struct switch_dev *dev, int port,
+ struct switch_port_stats *stats)
+{
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+
+ if (port < 0 || port >= MT7530_NUM_PORTS)
+ return -EINVAL;
+
+ stats->tx_bytes = get_mib_counter_port_7620(priv, MT7530_PORT_MIB_TXB_ID, port);
+ stats->rx_bytes = get_mib_counter_port_7620(priv, MT7530_PORT_MIB_RXB_ID, port);
+
+ return 0;
+}
+
+static int mt7621_get_port_stats(struct switch_dev *dev, int port,
+ struct switch_port_stats *stats)
+{
+ struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
+
+ if (port < 0 || port >= MT7530_NUM_PORTS)
+ return -EINVAL;
+
+ stats->tx_bytes = get_mib_counter(priv, MT7621_PORT_MIB_TXB_ID, port);
+ stats->rx_bytes = get_mib_counter(priv, MT7621_PORT_MIB_RXB_ID, port);
+
+ return 0;
+}
+
+static const struct switch_attr mt7530_global[] = {
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "enable_vlan",
+ .description = "VLAN mode (1:enabled)",
+ .max = 1,
+ .id = MT7530_ATTR_ENABLE_VLAN,
+ .get = mt7530_get_vlan_enable,
+ .set = mt7530_set_vlan_enable,
+ }, {
+ .type = SWITCH_TYPE_STRING,
+ .name = "mib",
+ .description = "Get MIB counters for switch",
+ .get = mt7530_sw_get_mib,
+ .set = NULL,
+ },
+};
+
+static const struct switch_attr mt7621_port[] = {
+ {
+ .type = SWITCH_TYPE_STRING,
+ .name = "mib",
+ .description = "Get MIB counters for port",
+ .get = mt7621_sw_get_port_mib,
+ .set = NULL,
+ },
+};
+
+static const struct switch_attr mt7621_vlan[] = {
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "vid",
+ .description = "VLAN ID (0-4094)",
+ .set = mt7530_set_vid,
+ .get = mt7621_get_vid,
+ .max = 4094,
+ },
+};
+
+static const struct switch_attr mt7530_port[] = {
+ {
+ .type = SWITCH_TYPE_STRING,
+ .name = "mib",
+ .description = "Get MIB counters for port",
+ .get = mt7530_sw_get_port_mib,
+ .set = NULL,
+ },
+};
+
+static const struct switch_attr mt7530_vlan[] = {
+ {
+ .type = SWITCH_TYPE_INT,
+ .name = "vid",
+ .description = "VLAN ID (0-4094)",
+ .set = mt7530_set_vid,
+ .get = mt7530_get_vid,
+ .max = 4094,
+ },
+};
+
+static const struct switch_dev_ops mt7621_ops = {
+ .attr_global = {
+ .attr = mt7530_global,
+ .n_attr = ARRAY_SIZE(mt7530_global),
+ },
+ .attr_port = {
+ .attr = mt7621_port,
+ .n_attr = ARRAY_SIZE(mt7621_port),
+ },
+ .attr_vlan = {
+ .attr = mt7621_vlan,
+ .n_attr = ARRAY_SIZE(mt7621_vlan),
+ },
+ .get_vlan_ports = mt7530_get_vlan_ports,
+ .set_vlan_ports = mt7530_set_vlan_ports,
+ .get_port_pvid = mt7530_get_port_pvid,
+ .set_port_pvid = mt7530_set_port_pvid,
+ .get_port_link = mt7530_get_port_link,
+ .get_port_stats = mt7621_get_port_stats,
+ .apply_config = mt7530_apply_config,
+ .reset_switch = mt7530_reset_switch,
+};
+
+static const struct switch_dev_ops mt7530_ops = {
+ .attr_global = {
+ .attr = mt7530_global,
+ .n_attr = ARRAY_SIZE(mt7530_global),
+ },
+ .attr_port = {
+ .attr = mt7530_port,
+ .n_attr = ARRAY_SIZE(mt7530_port),
+ },
+ .attr_vlan = {
+ .attr = mt7530_vlan,
+ .n_attr = ARRAY_SIZE(mt7530_vlan),
+ },
+ .get_vlan_ports = mt7530_get_vlan_ports,
+ .set_vlan_ports = mt7530_set_vlan_ports,
+ .get_port_pvid = mt7530_get_port_pvid,
+ .set_port_pvid = mt7530_set_port_pvid,
+ .get_port_link = mt7530_get_port_link,
+ .get_port_stats = mt7530_get_port_stats,
+ .apply_config = mt7530_apply_config,
+ .reset_switch = mt7530_reset_switch,
+};
+
+int
+mt7530_probe(struct device *dev, void __iomem *base, struct mii_bus *bus, int vlan)
+{
+ struct switch_dev *swdev;
+ struct mt7530_priv *mt7530;
+ struct mt7530_mapping *map;
+ int ret;
+
+ mt7530 = devm_kzalloc(dev, sizeof(struct mt7530_priv), GFP_KERNEL);
+ if (!mt7530)
+ return -ENOMEM;
+
+ mt7530->base = base;
+ mt7530->bus = bus;
+ mt7530->global_vlan_enable = vlan;
+
+ swdev = &mt7530->swdev;
+ if (bus) {
+ swdev->alias = "mt7530";
+ swdev->name = "mt7530";
+ } else if (IS_ENABLED(CONFIG_SOC_MT7621)) {
+ swdev->alias = "mt7621";
+ swdev->name = "mt7621";
+ } else {
+ swdev->alias = "mt7620";
+ swdev->name = "mt7620";
+ }
+ swdev->cpu_port = MT7530_CPU_PORT;
+ swdev->ports = MT7530_NUM_PORTS;
+ swdev->vlans = MT7530_NUM_VLANS;
+ if (IS_ENABLED(CONFIG_SOC_MT7621))
+ swdev->ops = &mt7621_ops;
+ else
+ swdev->ops = &mt7530_ops;
+
+ ret = register_switch(swdev, NULL);
+ if (ret) {
+ dev_err(dev, "failed to register mt7530\n");
+ return ret;
+ }
+
+
+ map = mt7530_find_mapping(dev->of_node);
+ if (map)
+ mt7530_apply_mapping(mt7530, map);
+ mt7530_apply_config(swdev);
+
+ /* magic vodoo */
+ if (!IS_ENABLED(CONFIG_SOC_MT7621) && bus && mt7530_r32(mt7530, REG_HWTRAP) != 0x1117edf) {
+ dev_info(dev, "fixing up MHWTRAP register - bootloader probably played with it\n");
+ mt7530_w32(mt7530, REG_HWTRAP, 0x1117edf);
+ }
+ dev_info(dev, "loaded %s driver\n", swdev->name);
+
+ return 0;
+}
--- /dev/null
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2016 Vitaly Chekryzhev <13hakta@gmail.com>
+ */
+
+#ifndef _MT7530_H__
+#define _MT7530_H__
+
+#define MT7620_MIB_COUNTER_BASE_PORT 0x4000
+#define MT7620_MIB_COUNTER_PORT_OFFSET 0x100
+#define MT7620_MIB_COUNTER_BASE 0x1010
+
+/* PPE Accounting Group #0 Byte Counter */
+#define MT7620_MIB_STATS_PPE_AC_BCNT0 0x000
+
+/* PPE Accounting Group #0 Packet Counter */
+#define MT7620_MIB_STATS_PPE_AC_PCNT0 0x004
+
+/* PPE Accounting Group #63 Byte Counter */
+#define MT7620_MIB_STATS_PPE_AC_BCNT63 0x1F8
+
+/* PPE Accounting Group #63 Packet Counter */
+#define MT7620_MIB_STATS_PPE_AC_PCNT63 0x1FC
+
+/* PPE Meter Group #0 */
+#define MT7620_MIB_STATS_PPE_MTR_CNT0 0x200
+
+/* PPE Meter Group #63 */
+#define MT7620_MIB_STATS_PPE_MTR_CNT63 0x2FC
+
+/* Transmit good byte count for CPU GDM */
+#define MT7620_MIB_STATS_GDM1_TX_GBCNT 0x300
+
+/* Transmit good packet count for CPU GDM (exclude flow control frames) */
+#define MT7620_MIB_STATS_GDM1_TX_GPCNT 0x304
+
+/* Transmit abort count for CPU GDM */
+#define MT7620_MIB_STATS_GDM1_TX_SKIPCNT 0x308
+
+/* Transmit collision count for CPU GDM */
+#define MT7620_MIB_STATS_GDM1_TX_COLCNT 0x30C
+
+/* Received good byte count for CPU GDM */
+#define MT7620_MIB_STATS_GDM1_RX_GBCNT1 0x320
+
+/* Received good packet count for CPU GDM (exclude flow control frame) */
+#define MT7620_MIB_STATS_GDM1_RX_GPCNT1 0x324
+
+/* Received overflow error packet count for CPU GDM */
+#define MT7620_MIB_STATS_GDM1_RX_OERCNT 0x328
+
+/* Received FCS error packet count for CPU GDM */
+#define MT7620_MIB_STATS_GDM1_RX_FERCNT 0x32C
+
+/* Received too short error packet count for CPU GDM */
+#define MT7620_MIB_STATS_GDM1_RX_SERCNT 0x330
+
+/* Received too long error packet count for CPU GDM */
+#define MT7620_MIB_STATS_GDM1_RX_LERCNT 0x334
+
+/* Received IP/TCP/UDP checksum error packet count for CPU GDM */
+#define MT7620_MIB_STATS_GDM1_RX_CERCNT 0x338
+
+/* Received flow control pkt count for CPU GDM */
+#define MT7620_MIB_STATS_GDM1_RX_FCCNT 0x33C
+
+/* Transmit good byte count for PPE GDM */
+#define MT7620_MIB_STATS_GDM2_TX_GBCNT 0x340
+
+/* Transmit good packet count for PPE GDM (exclude flow control frames) */
+#define MT7620_MIB_STATS_GDM2_TX_GPCNT 0x344
+
+/* Transmit abort count for PPE GDM */
+#define MT7620_MIB_STATS_GDM2_TX_SKIPCNT 0x348
+
+/* Transmit collision count for PPE GDM */
+#define MT7620_MIB_STATS_GDM2_TX_COLCNT 0x34C
+
+/* Received good byte count for PPE GDM */
+#define MT7620_MIB_STATS_GDM2_RX_GBCNT 0x360
+
+/* Received good packet count for PPE GDM (exclude flow control frame) */
+#define MT7620_MIB_STATS_GDM2_RX_GPCNT 0x364
+
+/* Received overflow error packet count for PPE GDM */
+#define MT7620_MIB_STATS_GDM2_RX_OERCNT 0x368
+
+/* Received FCS error packet count for PPE GDM */
+#define MT7620_MIB_STATS_GDM2_RX_FERCNT 0x36C
+
+/* Received too short error packet count for PPE GDM */
+#define MT7620_MIB_STATS_GDM2_RX_SERCNT 0x370
+
+/* Received too long error packet count for PPE GDM */
+#define MT7620_MIB_STATS_GDM2_RX_LERCNT 0x374
+
+/* Received IP/TCP/UDP checksum error packet count for PPE GDM */
+#define MT7620_MIB_STATS_GDM2_RX_CERCNT 0x378
+
+/* Received flow control pkt count for PPE GDM */
+#define MT7620_MIB_STATS_GDM2_RX_FCCNT 0x37C
+
+/* Tx Packet Counter of Port n */
+#define MT7620_MIB_STATS_PORT_TGPCN 0x10
+
+/* Tx Bad Octet Counter of Port n */
+#define MT7620_MIB_STATS_PORT_TBOCN 0x14
+
+/* Tx Good Octet Counter of Port n */
+#define MT7620_MIB_STATS_PORT_TGOCN 0x18
+
+/* Tx Event Packet Counter of Port n */
+#define MT7620_MIB_STATS_PORT_TEPCN 0x1C
+
+/* Rx Packet Counter of Port n */
+#define MT7620_MIB_STATS_PORT_RGPCN 0x20
+
+/* Rx Bad Octet Counter of Port n */
+#define MT7620_MIB_STATS_PORT_RBOCN 0x24
+
+/* Rx Good Octet Counter of Port n */
+#define MT7620_MIB_STATS_PORT_RGOCN 0x28
+
+/* Rx Event Packet Counter of Port n */
+#define MT7620_MIB_STATS_PORT_REPC1N 0x2C
+
+/* Rx Event Packet Counter of Port n */
+#define MT7620_MIB_STATS_PORT_REPC2N 0x30
+
+#define MT7621_MIB_COUNTER_BASE 0x4000
+#define MT7621_MIB_COUNTER_PORT_OFFSET 0x100
+#define MT7621_STATS_TDPC 0x00
+#define MT7621_STATS_TCRC 0x04
+#define MT7621_STATS_TUPC 0x08
+#define MT7621_STATS_TMPC 0x0C
+#define MT7621_STATS_TBPC 0x10
+#define MT7621_STATS_TCEC 0x14
+#define MT7621_STATS_TSCEC 0x18
+#define MT7621_STATS_TMCEC 0x1C
+#define MT7621_STATS_TDEC 0x20
+#define MT7621_STATS_TLCEC 0x24
+#define MT7621_STATS_TXCEC 0x28
+#define MT7621_STATS_TPPC 0x2C
+#define MT7621_STATS_TL64PC 0x30
+#define MT7621_STATS_TL65PC 0x34
+#define MT7621_STATS_TL128PC 0x38
+#define MT7621_STATS_TL256PC 0x3C
+#define MT7621_STATS_TL512PC 0x40
+#define MT7621_STATS_TL1024PC 0x44
+#define MT7621_STATS_TOC 0x48
+#define MT7621_STATS_RDPC 0x60
+#define MT7621_STATS_RFPC 0x64
+#define MT7621_STATS_RUPC 0x68
+#define MT7621_STATS_RMPC 0x6C
+#define MT7621_STATS_RBPC 0x70
+#define MT7621_STATS_RAEPC 0x74
+#define MT7621_STATS_RCEPC 0x78
+#define MT7621_STATS_RUSPC 0x7C
+#define MT7621_STATS_RFEPC 0x80
+#define MT7621_STATS_ROSPC 0x84
+#define MT7621_STATS_RJEPC 0x88
+#define MT7621_STATS_RPPC 0x8C
+#define MT7621_STATS_RL64PC 0x90
+#define MT7621_STATS_RL65PC 0x94
+#define MT7621_STATS_RL128PC 0x98
+#define MT7621_STATS_RL256PC 0x9C
+#define MT7621_STATS_RL512PC 0xA0
+#define MT7621_STATS_RL1024PC 0xA4
+#define MT7621_STATS_ROC 0xA8
+#define MT7621_STATS_RDPC_CTRL 0xB0
+#define MT7621_STATS_RDPC_ING 0xB4
+#define MT7621_STATS_RDPC_ARL 0xB8
+
+int mt7530_probe(struct device *dev, void __iomem *base, struct mii_bus *bus, int vlan);
+
+#endif
--- /dev/null
+/* This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Copyright (C) 2014-2016 Sean Wang <sean.wang@mediatek.com>
+ * Copyright (C) 2016-2017 John Crispin <blogic@openwrt.org>
+ */
+
+#include "mtk_offload.h"
+
+static const char *mtk_foe_entry_state_str[] = {
+ "INVALID",
+ "UNBIND",
+ "BIND",
+ "FIN"
+};
+
+static const char *mtk_foe_packet_type_str[] = {
+ "IPV4_HNAPT",
+ "IPV4_HNAT",
+ "IPV6_1T_ROUTE",
+ "IPV4_DSLITE",
+ "IPV6_3T_ROUTE",
+ "IPV6_5T_ROUTE",
+ "IPV6_6RD",
+};
+
+#define IPV4_HNAPT 0
+#define IPV4_HNAT 1
+#define IS_IPV4_HNAPT(x) (((x)->bfib1.pkt_type == IPV4_HNAPT) ? 1: 0)
+struct mtk_eth *_eth;
+#define es(entry) (mtk_foe_entry_state_str[entry->bfib1.state])
+//#define ei(entry, end) (MTK_PPE_TBL_SZ - (int)(end - entry))
+#define ei(entry, end) (MTK_PPE_ENTRY_CNT - (int)(end - entry))
+#define pt(entry) (mtk_foe_packet_type_str[entry->ipv4_hnapt.bfib1.pkt_type])
+
+static int mtk_ppe_debugfs_foe_show(struct seq_file *m, void *private)
+{
+ struct mtk_eth *eth = _eth;
+ struct mtk_foe_entry *entry, *end;
+ int i = 0;
+
+ entry = eth->foe_table;
+ end = eth->foe_table + MTK_PPE_ENTRY_CNT;
+
+ while (entry < end) {
+ if (IS_IPV4_HNAPT(entry)) {
+ __be32 saddr = htonl(entry->ipv4_hnapt.sip);
+ __be32 daddr = htonl(entry->ipv4_hnapt.dip);
+ __be32 nsaddr = htonl(entry->ipv4_hnapt.new_sip);
+ __be32 ndaddr = htonl(entry->ipv4_hnapt.new_dip);
+ unsigned char h_dest[ETH_ALEN];
+ unsigned char h_source[ETH_ALEN];
+
+ *((u32*) h_source) = swab32(entry->ipv4_hnapt.smac_hi);
+ *((u16*) &h_source[4]) = swab16(entry->ipv4_hnapt.smac_lo);
+ *((u32*) h_dest) = swab32(entry->ipv4_hnapt.dmac_hi);
+ *((u16*) &h_dest[4]) = swab16(entry->ipv4_hnapt.dmac_lo);
+ seq_printf(m,
+ "(%x)0x%05x|state=%s|type=%s|"
+ "%pI4:%d->%pI4:%d=>%pI4:%d->%pI4:%d|%pM=>%pM|"
+ "etype=0x%04x|info1=0x%x|info2=0x%x|"
+ "vlan1=%d|vlan2=%d\n",
+ i,
+ ei(entry, end), es(entry), pt(entry),
+ &saddr, entry->ipv4_hnapt.sport,
+ &daddr, entry->ipv4_hnapt.dport,
+ &nsaddr, entry->ipv4_hnapt.new_sport,
+ &ndaddr, entry->ipv4_hnapt.new_dport, h_source,
+ h_dest, ntohs(entry->ipv4_hnapt.etype),
+ entry->ipv4_hnapt.info_blk1,
+ entry->ipv4_hnapt.info_blk2,
+ entry->ipv4_hnapt.vlan1,
+ entry->ipv4_hnapt.vlan2);
+ } else
+ seq_printf(m, "0x%05x state=%s\n",
+ ei(entry, end), es(entry));
+ entry++;
+ i++;
+ }
+
+ return 0;
+}
+
+static int mtk_ppe_debugfs_foe_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, mtk_ppe_debugfs_foe_show, file->private_data);
+}
+
+static const struct file_operations mtk_ppe_debugfs_foe_fops = {
+ .open = mtk_ppe_debugfs_foe_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+int mtk_ppe_debugfs_init(struct mtk_eth *eth)
+{
+ struct dentry *root;
+
+ _eth = eth;
+
+ root = debugfs_create_dir("mtk_ppe", NULL);
+ if (!root)
+ return -ENOMEM;
+
+ debugfs_create_file("all_entry", S_IRUGO, root, eth, &mtk_ppe_debugfs_foe_fops);
+
+ return 0;
+}
--- /dev/null
+/* This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/dma-mapping.h>
+#include <linux/init.h>
+#include <linux/skbuff.h>
+#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
+#include <linux/platform_device.h>
+#include <linux/of_device.h>
+#include <linux/clk.h>
+#include <linux/of_net.h>
+#include <linux/of_mdio.h>
+#include <linux/if_vlan.h>
+#include <linux/reset.h>
+#include <linux/tcp.h>
+#include <linux/io.h>
+#include <linux/bug.h>
+#include <linux/netfilter.h>
+#include <net/netfilter/nf_flow_table.h>
+
+#include <asm/mach-ralink/ralink_regs.h>
+
+#include "mtk_eth_soc.h"
+#include "mdio.h"
+#include "ethtool.h"
+
+#define MAX_RX_LENGTH 1536
+#define FE_RX_ETH_HLEN (VLAN_ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN)
+#define FE_RX_HLEN (NET_SKB_PAD + FE_RX_ETH_HLEN + NET_IP_ALIGN)
+#define DMA_DUMMY_DESC 0xffffffff
+#define FE_DEFAULT_MSG_ENABLE \
+ (NETIF_MSG_DRV | \
+ NETIF_MSG_PROBE | \
+ NETIF_MSG_LINK | \
+ NETIF_MSG_TIMER | \
+ NETIF_MSG_IFDOWN | \
+ NETIF_MSG_IFUP | \
+ NETIF_MSG_RX_ERR | \
+ NETIF_MSG_TX_ERR)
+
+#define TX_DMA_DESP2_DEF (TX_DMA_LS0 | TX_DMA_DONE)
+#define TX_DMA_DESP4_DEF (TX_DMA_QN(3) | TX_DMA_PN(1))
+#define NEXT_TX_DESP_IDX(X) (((X) + 1) & (ring->tx_ring_size - 1))
+#define NEXT_RX_DESP_IDX(X) (((X) + 1) & (ring->rx_ring_size - 1))
+
+#define SYSC_REG_RSTCTRL 0x34
+
+static int fe_msg_level = -1;
+module_param_named(msg_level, fe_msg_level, int, 0);
+MODULE_PARM_DESC(msg_level, "Message level (-1=defaults,0=none,...,16=all)");
+
+static const u16 fe_reg_table_default[FE_REG_COUNT] = {
+ [FE_REG_PDMA_GLO_CFG] = FE_PDMA_GLO_CFG,
+ [FE_REG_PDMA_RST_CFG] = FE_PDMA_RST_CFG,
+ [FE_REG_DLY_INT_CFG] = FE_DLY_INT_CFG,
+ [FE_REG_TX_BASE_PTR0] = FE_TX_BASE_PTR0,
+ [FE_REG_TX_MAX_CNT0] = FE_TX_MAX_CNT0,
+ [FE_REG_TX_CTX_IDX0] = FE_TX_CTX_IDX0,
+ [FE_REG_TX_DTX_IDX0] = FE_TX_DTX_IDX0,
+ [FE_REG_RX_BASE_PTR0] = FE_RX_BASE_PTR0,
+ [FE_REG_RX_MAX_CNT0] = FE_RX_MAX_CNT0,
+ [FE_REG_RX_CALC_IDX0] = FE_RX_CALC_IDX0,
+ [FE_REG_RX_DRX_IDX0] = FE_RX_DRX_IDX0,
+ [FE_REG_FE_INT_ENABLE] = FE_FE_INT_ENABLE,
+ [FE_REG_FE_INT_STATUS] = FE_FE_INT_STATUS,
+ [FE_REG_FE_DMA_VID_BASE] = FE_DMA_VID0,
+ [FE_REG_FE_COUNTER_BASE] = FE_GDMA1_TX_GBCNT,
+ [FE_REG_FE_RST_GL] = FE_FE_RST_GL,
+};
+
+static const u16 *fe_reg_table = fe_reg_table_default;
+
+struct fe_work_t {
+ int bitnr;
+ void (*action)(struct fe_priv *);
+};
+
+static void __iomem *fe_base;
+
+void fe_w32(u32 val, unsigned reg)
+{
+ __raw_writel(val, fe_base + reg);
+}
+
+u32 fe_r32(unsigned reg)
+{
+ return __raw_readl(fe_base + reg);
+}
+
+void fe_reg_w32(u32 val, enum fe_reg reg)
+{
+ fe_w32(val, fe_reg_table[reg]);
+}
+
+u32 fe_reg_r32(enum fe_reg reg)
+{
+ return fe_r32(fe_reg_table[reg]);
+}
+
+void fe_m32(struct fe_priv *eth, u32 clear, u32 set, unsigned reg)
+{
+ u32 val;
+
+ spin_lock(ð->page_lock);
+ val = __raw_readl(fe_base + reg);
+ val &= ~clear;
+ val |= set;
+ __raw_writel(val, fe_base + reg);
+ spin_unlock(ð->page_lock);
+}
+
+void fe_reset(u32 reset_bits)
+{
+ u32 t;
+
+ t = rt_sysc_r32(SYSC_REG_RSTCTRL);
+ t |= reset_bits;
+ rt_sysc_w32(t, SYSC_REG_RSTCTRL);
+ usleep_range(10, 20);
+
+ t &= ~reset_bits;
+ rt_sysc_w32(t, SYSC_REG_RSTCTRL);
+ usleep_range(10, 20);
+}
+
+static inline void fe_int_disable(u32 mask)
+{
+ fe_reg_w32(fe_reg_r32(FE_REG_FE_INT_ENABLE) & ~mask,
+ FE_REG_FE_INT_ENABLE);
+ /* flush write */
+ fe_reg_r32(FE_REG_FE_INT_ENABLE);
+}
+
+static inline void fe_int_enable(u32 mask)
+{
+ fe_reg_w32(fe_reg_r32(FE_REG_FE_INT_ENABLE) | mask,
+ FE_REG_FE_INT_ENABLE);
+ /* flush write */
+ fe_reg_r32(FE_REG_FE_INT_ENABLE);
+}
+
+static inline void fe_hw_set_macaddr(struct fe_priv *priv, unsigned char *mac)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&priv->page_lock, flags);
+ fe_w32((mac[0] << 8) | mac[1], FE_GDMA1_MAC_ADRH);
+ fe_w32((mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5],
+ FE_GDMA1_MAC_ADRL);
+ spin_unlock_irqrestore(&priv->page_lock, flags);
+}
+
+static int fe_set_mac_address(struct net_device *dev, void *p)
+{
+ int ret = eth_mac_addr(dev, p);
+
+ if (!ret) {
+ struct fe_priv *priv = netdev_priv(dev);
+
+ if (priv->soc->set_mac)
+ priv->soc->set_mac(priv, dev->dev_addr);
+ else
+ fe_hw_set_macaddr(priv, p);
+ }
+
+ return ret;
+}
+
+static inline int fe_max_frag_size(int mtu)
+{
+ /* make sure buf_size will be at least MAX_RX_LENGTH */
+ if (mtu + FE_RX_ETH_HLEN < MAX_RX_LENGTH)
+ mtu = MAX_RX_LENGTH - FE_RX_ETH_HLEN;
+
+ return SKB_DATA_ALIGN(FE_RX_HLEN + mtu) +
+ SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
+}
+
+static inline int fe_max_buf_size(int frag_size)
+{
+ int buf_size = frag_size - NET_SKB_PAD - NET_IP_ALIGN -
+ SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
+
+ BUG_ON(buf_size < MAX_RX_LENGTH);
+ return buf_size;
+}
+
+static inline void fe_get_rxd(struct fe_rx_dma *rxd, struct fe_rx_dma *dma_rxd)
+{
+ rxd->rxd1 = dma_rxd->rxd1;
+ rxd->rxd2 = dma_rxd->rxd2;
+ rxd->rxd3 = dma_rxd->rxd3;
+ rxd->rxd4 = dma_rxd->rxd4;
+}
+
+static inline void fe_set_txd(struct fe_tx_dma *txd, struct fe_tx_dma *dma_txd)
+{
+ dma_txd->txd1 = txd->txd1;
+ dma_txd->txd3 = txd->txd3;
+ dma_txd->txd4 = txd->txd4;
+ /* clean dma done flag last */
+ dma_txd->txd2 = txd->txd2;
+}
+
+static void fe_clean_rx(struct fe_priv *priv)
+{
+ struct fe_rx_ring *ring = &priv->rx_ring;
+ struct page *page;
+ int i;
+
+ if (ring->rx_data) {
+ for (i = 0; i < ring->rx_ring_size; i++)
+ if (ring->rx_data[i]) {
+ if (ring->rx_dma && ring->rx_dma[i].rxd1)
+ dma_unmap_single(&priv->netdev->dev,
+ ring->rx_dma[i].rxd1,
+ ring->rx_buf_size,
+ DMA_FROM_DEVICE);
+ skb_free_frag(ring->rx_data[i]);
+ }
+
+ kfree(ring->rx_data);
+ ring->rx_data = NULL;
+ }
+
+ if (ring->rx_dma) {
+ dma_free_coherent(&priv->netdev->dev,
+ ring->rx_ring_size * sizeof(*ring->rx_dma),
+ ring->rx_dma,
+ ring->rx_phys);
+ ring->rx_dma = NULL;
+ }
+
+ if (!ring->frag_cache.va)
+ return;
+
+ page = virt_to_page(ring->frag_cache.va);
+ __page_frag_cache_drain(page, ring->frag_cache.pagecnt_bias);
+ memset(&ring->frag_cache, 0, sizeof(ring->frag_cache));
+}
+
+static int fe_alloc_rx(struct fe_priv *priv)
+{
+ struct net_device *netdev = priv->netdev;
+ struct fe_rx_ring *ring = &priv->rx_ring;
+ int i, pad;
+
+ ring->rx_data = kcalloc(ring->rx_ring_size, sizeof(*ring->rx_data),
+ GFP_KERNEL);
+ if (!ring->rx_data)
+ goto no_rx_mem;
+
+ for (i = 0; i < ring->rx_ring_size; i++) {
+ ring->rx_data[i] = page_frag_alloc(&ring->frag_cache,
+ ring->frag_size,
+ GFP_KERNEL);
+ if (!ring->rx_data[i])
+ goto no_rx_mem;
+ }
+
+ ring->rx_dma = dma_alloc_coherent(&netdev->dev,
+ ring->rx_ring_size * sizeof(*ring->rx_dma),
+ &ring->rx_phys,
+ GFP_ATOMIC | __GFP_ZERO);
+ if (!ring->rx_dma)
+ goto no_rx_mem;
+
+ if (priv->flags & FE_FLAG_RX_2B_OFFSET)
+ pad = 0;
+ else
+ pad = NET_IP_ALIGN;
+ for (i = 0; i < ring->rx_ring_size; i++) {
+ dma_addr_t dma_addr = dma_map_single(&netdev->dev,
+ ring->rx_data[i] + NET_SKB_PAD + pad,
+ ring->rx_buf_size,
+ DMA_FROM_DEVICE);
+ if (unlikely(dma_mapping_error(&netdev->dev, dma_addr)))
+ goto no_rx_mem;
+ ring->rx_dma[i].rxd1 = (unsigned int)dma_addr;
+
+ if (priv->flags & FE_FLAG_RX_SG_DMA)
+ ring->rx_dma[i].rxd2 = RX_DMA_PLEN0(ring->rx_buf_size);
+ else
+ ring->rx_dma[i].rxd2 = RX_DMA_LSO;
+ }
+ ring->rx_calc_idx = ring->rx_ring_size - 1;
+ /* make sure that all changes to the dma ring are flushed before we
+ * continue
+ */
+ wmb();
+
+ fe_reg_w32(ring->rx_phys, FE_REG_RX_BASE_PTR0);
+ fe_reg_w32(ring->rx_ring_size, FE_REG_RX_MAX_CNT0);
+ fe_reg_w32(ring->rx_calc_idx, FE_REG_RX_CALC_IDX0);
+ fe_reg_w32(FE_PST_DRX_IDX0, FE_REG_PDMA_RST_CFG);
+
+ return 0;
+
+no_rx_mem:
+ return -ENOMEM;
+}
+
+static void fe_txd_unmap(struct device *dev, struct fe_tx_buf *tx_buf)
+{
+ if (tx_buf->flags & FE_TX_FLAGS_SINGLE0) {
+ dma_unmap_single(dev,
+ dma_unmap_addr(tx_buf, dma_addr0),
+ dma_unmap_len(tx_buf, dma_len0),
+ DMA_TO_DEVICE);
+ } else if (tx_buf->flags & FE_TX_FLAGS_PAGE0) {
+ dma_unmap_page(dev,
+ dma_unmap_addr(tx_buf, dma_addr0),
+ dma_unmap_len(tx_buf, dma_len0),
+ DMA_TO_DEVICE);
+ }
+ if (tx_buf->flags & FE_TX_FLAGS_PAGE1)
+ dma_unmap_page(dev,
+ dma_unmap_addr(tx_buf, dma_addr1),
+ dma_unmap_len(tx_buf, dma_len1),
+ DMA_TO_DEVICE);
+
+ tx_buf->flags = 0;
+ if (tx_buf->skb && (tx_buf->skb != (struct sk_buff *)DMA_DUMMY_DESC))
+ dev_kfree_skb_any(tx_buf->skb);
+ tx_buf->skb = NULL;
+}
+
+static void fe_clean_tx(struct fe_priv *priv)
+{
+ int i;
+ struct device *dev = &priv->netdev->dev;
+ struct fe_tx_ring *ring = &priv->tx_ring;
+
+ if (ring->tx_buf) {
+ for (i = 0; i < ring->tx_ring_size; i++)
+ fe_txd_unmap(dev, &ring->tx_buf[i]);
+ kfree(ring->tx_buf);
+ ring->tx_buf = NULL;
+ }
+
+ if (ring->tx_dma) {
+ dma_free_coherent(dev,
+ ring->tx_ring_size * sizeof(*ring->tx_dma),
+ ring->tx_dma,
+ ring->tx_phys);
+ ring->tx_dma = NULL;
+ }
+
+ netdev_reset_queue(priv->netdev);
+}
+
+static int fe_alloc_tx(struct fe_priv *priv)
+{
+ int i;
+ struct fe_tx_ring *ring = &priv->tx_ring;
+
+ ring->tx_free_idx = 0;
+ ring->tx_next_idx = 0;
+ ring->tx_thresh = max((unsigned long)ring->tx_ring_size >> 2,
+ MAX_SKB_FRAGS);
+
+ ring->tx_buf = kcalloc(ring->tx_ring_size, sizeof(*ring->tx_buf),
+ GFP_KERNEL);
+ if (!ring->tx_buf)
+ goto no_tx_mem;
+
+ ring->tx_dma = dma_alloc_coherent(&priv->netdev->dev,
+ ring->tx_ring_size * sizeof(*ring->tx_dma),
+ &ring->tx_phys,
+ GFP_ATOMIC | __GFP_ZERO);
+ if (!ring->tx_dma)
+ goto no_tx_mem;
+
+ for (i = 0; i < ring->tx_ring_size; i++) {
+ if (priv->soc->tx_dma)
+ priv->soc->tx_dma(&ring->tx_dma[i]);
+ ring->tx_dma[i].txd2 = TX_DMA_DESP2_DEF;
+ }
+ /* make sure that all changes to the dma ring are flushed before we
+ * continue
+ */
+ wmb();
+
+ fe_reg_w32(ring->tx_phys, FE_REG_TX_BASE_PTR0);
+ fe_reg_w32(ring->tx_ring_size, FE_REG_TX_MAX_CNT0);
+ fe_reg_w32(0, FE_REG_TX_CTX_IDX0);
+ fe_reg_w32(FE_PST_DTX_IDX0, FE_REG_PDMA_RST_CFG);
+
+ return 0;
+
+no_tx_mem:
+ return -ENOMEM;
+}
+
+static int fe_init_dma(struct fe_priv *priv)
+{
+ int err;
+
+ err = fe_alloc_tx(priv);
+ if (err)
+ return err;
+
+ err = fe_alloc_rx(priv);
+ if (err)
+ return err;
+
+ return 0;
+}
+
+static void fe_free_dma(struct fe_priv *priv)
+{
+ fe_clean_tx(priv);
+ fe_clean_rx(priv);
+}
+
+void fe_stats_update(struct fe_priv *priv)
+{
+ struct fe_hw_stats *hwstats = priv->hw_stats;
+ unsigned int base = fe_reg_table[FE_REG_FE_COUNTER_BASE];
+ u64 stats;
+
+ u64_stats_update_begin(&hwstats->syncp);
+
+ if (IS_ENABLED(CONFIG_SOC_MT7621)) {
+ hwstats->rx_bytes += fe_r32(base);
+ stats = fe_r32(base + 0x04);
+ if (stats)
+ hwstats->rx_bytes += (stats << 32);
+ hwstats->rx_packets += fe_r32(base + 0x08);
+ hwstats->rx_overflow += fe_r32(base + 0x10);
+ hwstats->rx_fcs_errors += fe_r32(base + 0x14);
+ hwstats->rx_short_errors += fe_r32(base + 0x18);
+ hwstats->rx_long_errors += fe_r32(base + 0x1c);
+ hwstats->rx_checksum_errors += fe_r32(base + 0x20);
+ hwstats->rx_flow_control_packets += fe_r32(base + 0x24);
+ hwstats->tx_skip += fe_r32(base + 0x28);
+ hwstats->tx_collisions += fe_r32(base + 0x2c);
+ hwstats->tx_bytes += fe_r32(base + 0x30);
+ stats = fe_r32(base + 0x34);
+ if (stats)
+ hwstats->tx_bytes += (stats << 32);
+ hwstats->tx_packets += fe_r32(base + 0x38);
+ } else {
+ hwstats->tx_bytes += fe_r32(base);
+ hwstats->tx_packets += fe_r32(base + 0x04);
+ hwstats->tx_skip += fe_r32(base + 0x08);
+ hwstats->tx_collisions += fe_r32(base + 0x0c);
+ hwstats->rx_bytes += fe_r32(base + 0x20);
+ hwstats->rx_packets += fe_r32(base + 0x24);
+ hwstats->rx_overflow += fe_r32(base + 0x28);
+ hwstats->rx_fcs_errors += fe_r32(base + 0x2c);
+ hwstats->rx_short_errors += fe_r32(base + 0x30);
+ hwstats->rx_long_errors += fe_r32(base + 0x34);
+ hwstats->rx_checksum_errors += fe_r32(base + 0x38);
+ hwstats->rx_flow_control_packets += fe_r32(base + 0x3c);
+ }
+
+ u64_stats_update_end(&hwstats->syncp);
+}
+
+static void fe_get_stats64(struct net_device *dev,
+ struct rtnl_link_stats64 *storage)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ struct fe_hw_stats *hwstats = priv->hw_stats;
+ unsigned int base = fe_reg_table[FE_REG_FE_COUNTER_BASE];
+ unsigned int start;
+
+ if (!base) {
+ netdev_stats_to_stats64(storage, &dev->stats);
+ return;
+ }
+
+ if (netif_running(dev) && netif_device_present(dev)) {
+ if (spin_trylock_bh(&hwstats->stats_lock)) {
+ fe_stats_update(priv);
+ spin_unlock_bh(&hwstats->stats_lock);
+ }
+ }
+
+ do {
+ start = u64_stats_fetch_begin_irq(&hwstats->syncp);
+ storage->rx_packets = hwstats->rx_packets;
+ storage->tx_packets = hwstats->tx_packets;
+ storage->rx_bytes = hwstats->rx_bytes;
+ storage->tx_bytes = hwstats->tx_bytes;
+ storage->collisions = hwstats->tx_collisions;
+ storage->rx_length_errors = hwstats->rx_short_errors +
+ hwstats->rx_long_errors;
+ storage->rx_over_errors = hwstats->rx_overflow;
+ storage->rx_crc_errors = hwstats->rx_fcs_errors;
+ storage->rx_errors = hwstats->rx_checksum_errors;
+ storage->tx_aborted_errors = hwstats->tx_skip;
+ } while (u64_stats_fetch_retry_irq(&hwstats->syncp, start));
+
+ storage->tx_errors = priv->netdev->stats.tx_errors;
+ storage->rx_dropped = priv->netdev->stats.rx_dropped;
+ storage->tx_dropped = priv->netdev->stats.tx_dropped;
+}
+
+static int fe_vlan_rx_add_vid(struct net_device *dev,
+ __be16 proto, u16 vid)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ u32 idx = (vid & 0xf);
+ u32 vlan_cfg;
+
+ if (!((fe_reg_table[FE_REG_FE_DMA_VID_BASE]) &&
+ (dev->features & NETIF_F_HW_VLAN_CTAG_TX)))
+ return 0;
+
+ if (test_bit(idx, &priv->vlan_map)) {
+ netdev_warn(dev, "disable tx vlan offload\n");
+ dev->wanted_features &= ~NETIF_F_HW_VLAN_CTAG_TX;
+ netdev_update_features(dev);
+ } else {
+ vlan_cfg = fe_r32(fe_reg_table[FE_REG_FE_DMA_VID_BASE] +
+ ((idx >> 1) << 2));
+ if (idx & 0x1) {
+ vlan_cfg &= 0xffff;
+ vlan_cfg |= (vid << 16);
+ } else {
+ vlan_cfg &= 0xffff0000;
+ vlan_cfg |= vid;
+ }
+ fe_w32(vlan_cfg, fe_reg_table[FE_REG_FE_DMA_VID_BASE] +
+ ((idx >> 1) << 2));
+ set_bit(idx, &priv->vlan_map);
+ }
+
+ return 0;
+}
+
+static int fe_vlan_rx_kill_vid(struct net_device *dev,
+ __be16 proto, u16 vid)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ u32 idx = (vid & 0xf);
+
+ if (!((fe_reg_table[FE_REG_FE_DMA_VID_BASE]) &&
+ (dev->features & NETIF_F_HW_VLAN_CTAG_TX)))
+ return 0;
+
+ clear_bit(idx, &priv->vlan_map);
+
+ return 0;
+}
+
+static inline u32 fe_empty_txd(struct fe_tx_ring *ring)
+{
+ barrier();
+ return (u32)(ring->tx_ring_size -
+ ((ring->tx_next_idx - ring->tx_free_idx) &
+ (ring->tx_ring_size - 1)));
+}
+
+static int fe_tx_map_dma(struct sk_buff *skb, struct net_device *dev,
+ int tx_num, struct fe_tx_ring *ring)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ struct skb_frag_struct *frag;
+ struct fe_tx_dma txd, *ptxd;
+ struct fe_tx_buf *tx_buf;
+ dma_addr_t mapped_addr;
+ unsigned int nr_frags;
+ u32 def_txd4;
+ int i, j, k, frag_size, frag_map_size, offset;
+
+ tx_buf = &ring->tx_buf[ring->tx_next_idx];
+ memset(tx_buf, 0, sizeof(*tx_buf));
+ memset(&txd, 0, sizeof(txd));
+ nr_frags = skb_shinfo(skb)->nr_frags;
+
+ /* init tx descriptor */
+ if (priv->soc->tx_dma)
+ priv->soc->tx_dma(&txd);
+ else
+ txd.txd4 = TX_DMA_DESP4_DEF;
+ def_txd4 = txd.txd4;
+
+ /* TX Checksum offload */
+ if (skb->ip_summed == CHECKSUM_PARTIAL)
+ txd.txd4 |= TX_DMA_CHKSUM;
+
+ /* VLAN header offload */
+ if (skb_vlan_tag_present(skb)) {
+ u16 tag = skb_vlan_tag_get(skb);
+
+ if (IS_ENABLED(CONFIG_SOC_MT7621))
+ txd.txd4 |= TX_DMA_INS_VLAN_MT7621 | tag;
+ else
+ txd.txd4 |= TX_DMA_INS_VLAN |
+ ((tag >> VLAN_PRIO_SHIFT) << 4) |
+ (tag & 0xF);
+ }
+
+ /* TSO: fill MSS info in tcp checksum field */
+ if (skb_is_gso(skb)) {
+ if (skb_cow_head(skb, 0)) {
+ netif_warn(priv, tx_err, dev,
+ "GSO expand head fail.\n");
+ goto err_out;
+ }
+ if (skb_shinfo(skb)->gso_type &
+ (SKB_GSO_TCPV4 | SKB_GSO_TCPV6)) {
+ txd.txd4 |= TX_DMA_TSO;
+ tcp_hdr(skb)->check = htons(skb_shinfo(skb)->gso_size);
+ }
+ }
+
+ mapped_addr = dma_map_single(&dev->dev, skb->data,
+ skb_headlen(skb), DMA_TO_DEVICE);
+ if (unlikely(dma_mapping_error(&dev->dev, mapped_addr)))
+ goto err_out;
+ txd.txd1 = mapped_addr;
+ txd.txd2 = TX_DMA_PLEN0(skb_headlen(skb));
+
+ tx_buf->flags |= FE_TX_FLAGS_SINGLE0;
+ dma_unmap_addr_set(tx_buf, dma_addr0, mapped_addr);
+ dma_unmap_len_set(tx_buf, dma_len0, skb_headlen(skb));
+
+ /* TX SG offload */
+ j = ring->tx_next_idx;
+ k = 0;
+ for (i = 0; i < nr_frags; i++) {
+ offset = 0;
+ frag = &skb_shinfo(skb)->frags[i];
+ frag_size = skb_frag_size(frag);
+
+ while (frag_size > 0) {
+ frag_map_size = min(frag_size, TX_DMA_BUF_LEN);
+ mapped_addr = skb_frag_dma_map(&dev->dev, frag, offset,
+ frag_map_size,
+ DMA_TO_DEVICE);
+ if (unlikely(dma_mapping_error(&dev->dev, mapped_addr)))
+ goto err_dma;
+
+ if (k & 0x1) {
+ j = NEXT_TX_DESP_IDX(j);
+ txd.txd1 = mapped_addr;
+ txd.txd2 = TX_DMA_PLEN0(frag_map_size);
+ txd.txd4 = def_txd4;
+
+ tx_buf = &ring->tx_buf[j];
+ memset(tx_buf, 0, sizeof(*tx_buf));
+
+ tx_buf->flags |= FE_TX_FLAGS_PAGE0;
+ dma_unmap_addr_set(tx_buf, dma_addr0,
+ mapped_addr);
+ dma_unmap_len_set(tx_buf, dma_len0,
+ frag_map_size);
+ } else {
+ txd.txd3 = mapped_addr;
+ txd.txd2 |= TX_DMA_PLEN1(frag_map_size);
+
+ tx_buf->skb = (struct sk_buff *)DMA_DUMMY_DESC;
+ tx_buf->flags |= FE_TX_FLAGS_PAGE1;
+ dma_unmap_addr_set(tx_buf, dma_addr1,
+ mapped_addr);
+ dma_unmap_len_set(tx_buf, dma_len1,
+ frag_map_size);
+
+ if (!((i == (nr_frags - 1)) &&
+ (frag_map_size == frag_size))) {
+ fe_set_txd(&txd, &ring->tx_dma[j]);
+ memset(&txd, 0, sizeof(txd));
+ }
+ }
+ frag_size -= frag_map_size;
+ offset += frag_map_size;
+ k++;
+ }
+ }
+
+ /* set last segment */
+ if (k & 0x1)
+ txd.txd2 |= TX_DMA_LS1;
+ else
+ txd.txd2 |= TX_DMA_LS0;
+ fe_set_txd(&txd, &ring->tx_dma[j]);
+
+ /* store skb to cleanup */
+ tx_buf->skb = skb;
+
+ netdev_sent_queue(dev, skb->len);
+ skb_tx_timestamp(skb);
+
+ ring->tx_next_idx = NEXT_TX_DESP_IDX(j);
+ /* make sure that all changes to the dma ring are flushed before we
+ * continue
+ */
+ wmb();
+ if (unlikely(fe_empty_txd(ring) <= ring->tx_thresh)) {
+ netif_stop_queue(dev);
+ smp_mb();
+ if (unlikely(fe_empty_txd(ring) > ring->tx_thresh))
+ netif_wake_queue(dev);
+ }
+
+ if (netif_xmit_stopped(netdev_get_tx_queue(dev, 0)) || !skb->xmit_more)
+ fe_reg_w32(ring->tx_next_idx, FE_REG_TX_CTX_IDX0);
+
+ return 0;
+
+err_dma:
+ j = ring->tx_next_idx;
+ for (i = 0; i < tx_num; i++) {
+ ptxd = &ring->tx_dma[j];
+ tx_buf = &ring->tx_buf[j];
+
+ /* unmap dma */
+ fe_txd_unmap(&dev->dev, tx_buf);
+
+ ptxd->txd2 = TX_DMA_DESP2_DEF;
+ j = NEXT_TX_DESP_IDX(j);
+ }
+ /* make sure that all changes to the dma ring are flushed before we
+ * continue
+ */
+ wmb();
+
+err_out:
+ return -1;
+}
+
+static inline int fe_skb_padto(struct sk_buff *skb, struct fe_priv *priv)
+{
+ unsigned int len;
+ int ret;
+
+ ret = 0;
+ if (unlikely(skb->len < VLAN_ETH_ZLEN)) {
+ if ((priv->flags & FE_FLAG_PADDING_64B) &&
+ !(priv->flags & FE_FLAG_PADDING_BUG))
+ return ret;
+
+ if (skb_vlan_tag_present(skb))
+ len = ETH_ZLEN;
+ else if (skb->protocol == cpu_to_be16(ETH_P_8021Q))
+ len = VLAN_ETH_ZLEN;
+ else if (!(priv->flags & FE_FLAG_PADDING_64B))
+ len = ETH_ZLEN;
+ else
+ return ret;
+
+ if (skb->len < len) {
+ ret = skb_pad(skb, len - skb->len);
+ if (ret < 0)
+ return ret;
+ skb->len = len;
+ skb_set_tail_pointer(skb, len);
+ }
+ }
+
+ return ret;
+}
+
+static inline int fe_cal_txd_req(struct sk_buff *skb)
+{
+ int i, nfrags;
+ struct skb_frag_struct *frag;
+
+ nfrags = 1;
+ if (skb_is_gso(skb)) {
+ for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
+ frag = &skb_shinfo(skb)->frags[i];
+ nfrags += DIV_ROUND_UP(frag->size, TX_DMA_BUF_LEN);
+ }
+ } else {
+ nfrags += skb_shinfo(skb)->nr_frags;
+ }
+
+ return DIV_ROUND_UP(nfrags, 2);
+}
+
+static int fe_start_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ struct fe_tx_ring *ring = &priv->tx_ring;
+ struct net_device_stats *stats = &dev->stats;
+ int tx_num;
+ int len = skb->len;
+
+ if (fe_skb_padto(skb, priv)) {
+ netif_warn(priv, tx_err, dev, "tx padding failed!\n");
+ return NETDEV_TX_OK;
+ }
+
+ tx_num = fe_cal_txd_req(skb);
+ if (unlikely(fe_empty_txd(ring) <= tx_num)) {
+ netif_stop_queue(dev);
+ netif_err(priv, tx_queued, dev,
+ "Tx Ring full when queue awake!\n");
+ return NETDEV_TX_BUSY;
+ }
+
+ if (fe_tx_map_dma(skb, dev, tx_num, ring) < 0) {
+ stats->tx_dropped++;
+ } else {
+ stats->tx_packets++;
+ stats->tx_bytes += len;
+ }
+
+ return NETDEV_TX_OK;
+}
+
+static int fe_poll_rx(struct napi_struct *napi, int budget,
+ struct fe_priv *priv, u32 rx_intr)
+{
+ struct net_device *netdev = priv->netdev;
+ struct net_device_stats *stats = &netdev->stats;
+ struct fe_soc_data *soc = priv->soc;
+ struct fe_rx_ring *ring = &priv->rx_ring;
+ int idx = ring->rx_calc_idx;
+ u32 checksum_bit;
+ struct sk_buff *skb;
+ u8 *data, *new_data;
+ struct fe_rx_dma *rxd, trxd;
+ int done = 0, pad;
+
+ if (netdev->features & NETIF_F_RXCSUM)
+ checksum_bit = soc->checksum_bit;
+ else
+ checksum_bit = 0;
+
+ if (priv->flags & FE_FLAG_RX_2B_OFFSET)
+ pad = 0;
+ else
+ pad = NET_IP_ALIGN;
+
+ while (done < budget) {
+ unsigned int pktlen;
+ dma_addr_t dma_addr;
+
+ idx = NEXT_RX_DESP_IDX(idx);
+ rxd = &ring->rx_dma[idx];
+ data = ring->rx_data[idx];
+
+ fe_get_rxd(&trxd, rxd);
+ if (!(trxd.rxd2 & RX_DMA_DONE))
+ break;
+
+ /* alloc new buffer */
+ new_data = page_frag_alloc(&ring->frag_cache, ring->frag_size,
+ GFP_ATOMIC);
+ if (unlikely(!new_data)) {
+ stats->rx_dropped++;
+ goto release_desc;
+ }
+ dma_addr = dma_map_single(&netdev->dev,
+ new_data + NET_SKB_PAD + pad,
+ ring->rx_buf_size,
+ DMA_FROM_DEVICE);
+ if (unlikely(dma_mapping_error(&netdev->dev, dma_addr))) {
+ skb_free_frag(new_data);
+ goto release_desc;
+ }
+
+ /* receive data */
+ skb = build_skb(data, ring->frag_size);
+ if (unlikely(!skb)) {
+ skb_free_frag(new_data);
+ goto release_desc;
+ }
+ skb_reserve(skb, NET_SKB_PAD + NET_IP_ALIGN);
+
+ dma_unmap_single(&netdev->dev, trxd.rxd1,
+ ring->rx_buf_size, DMA_FROM_DEVICE);
+ pktlen = RX_DMA_GET_PLEN0(trxd.rxd2);
+ skb->dev = netdev;
+ skb_put(skb, pktlen);
+ if (trxd.rxd4 & checksum_bit)
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
+ else
+ skb_checksum_none_assert(skb);
+ skb->protocol = eth_type_trans(skb, netdev);
+
+#ifdef CONFIG_NET_MEDIATEK_OFFLOAD
+ if (mtk_offload_check_rx(priv, skb, trxd.rxd4) == 0) {
+#endif
+ stats->rx_packets++;
+ stats->rx_bytes += pktlen;
+
+ napi_gro_receive(napi, skb);
+#ifdef CONFIG_NET_MEDIATEK_OFFLOAD
+ } else {
+ dev_kfree_skb(skb);
+ }
+#endif
+ ring->rx_data[idx] = new_data;
+ rxd->rxd1 = (unsigned int)dma_addr;
+
+release_desc:
+ if (priv->flags & FE_FLAG_RX_SG_DMA)
+ rxd->rxd2 = RX_DMA_PLEN0(ring->rx_buf_size);
+ else
+ rxd->rxd2 = RX_DMA_LSO;
+
+ ring->rx_calc_idx = idx;
+ /* make sure that all changes to the dma ring are flushed before
+ * we continue
+ */
+ wmb();
+ fe_reg_w32(ring->rx_calc_idx, FE_REG_RX_CALC_IDX0);
+ done++;
+ }
+
+ if (done < budget)
+ fe_reg_w32(rx_intr, FE_REG_FE_INT_STATUS);
+
+ return done;
+}
+
+static int fe_poll_tx(struct fe_priv *priv, int budget, u32 tx_intr,
+ int *tx_again)
+{
+ struct net_device *netdev = priv->netdev;
+ struct device *dev = &netdev->dev;
+ unsigned int bytes_compl = 0;
+ struct sk_buff *skb;
+ struct fe_tx_buf *tx_buf;
+ int done = 0;
+ u32 idx, hwidx;
+ struct fe_tx_ring *ring = &priv->tx_ring;
+
+ idx = ring->tx_free_idx;
+ hwidx = fe_reg_r32(FE_REG_TX_DTX_IDX0);
+
+ while ((idx != hwidx) && budget) {
+ tx_buf = &ring->tx_buf[idx];
+ skb = tx_buf->skb;
+
+ if (!skb)
+ break;
+
+ if (skb != (struct sk_buff *)DMA_DUMMY_DESC) {
+ bytes_compl += skb->len;
+ done++;
+ budget--;
+ }
+ fe_txd_unmap(dev, tx_buf);
+ idx = NEXT_TX_DESP_IDX(idx);
+ }
+ ring->tx_free_idx = idx;
+
+ if (idx == hwidx) {
+ /* read hw index again make sure no new tx packet */
+ hwidx = fe_reg_r32(FE_REG_TX_DTX_IDX0);
+ if (idx == hwidx)
+ fe_reg_w32(tx_intr, FE_REG_FE_INT_STATUS);
+ else
+ *tx_again = 1;
+ } else {
+ *tx_again = 1;
+ }
+
+ if (done) {
+ netdev_completed_queue(netdev, done, bytes_compl);
+ smp_mb();
+ if (unlikely(netif_queue_stopped(netdev) &&
+ (fe_empty_txd(ring) > ring->tx_thresh)))
+ netif_wake_queue(netdev);
+ }
+
+ return done;
+}
+
+static int fe_poll(struct napi_struct *napi, int budget)
+{
+ struct fe_priv *priv = container_of(napi, struct fe_priv, rx_napi);
+ struct fe_hw_stats *hwstat = priv->hw_stats;
+ int tx_done, rx_done, tx_again;
+ u32 status, fe_status, status_reg, mask;
+ u32 tx_intr, rx_intr, status_intr;
+
+ status = fe_reg_r32(FE_REG_FE_INT_STATUS);
+ fe_status = status;
+ tx_intr = priv->soc->tx_int;
+ rx_intr = priv->soc->rx_int;
+ status_intr = priv->soc->status_int;
+ tx_done = 0;
+ rx_done = 0;
+ tx_again = 0;
+
+ if (fe_reg_table[FE_REG_FE_INT_STATUS2]) {
+ fe_status = fe_reg_r32(FE_REG_FE_INT_STATUS2);
+ status_reg = FE_REG_FE_INT_STATUS2;
+ } else {
+ status_reg = FE_REG_FE_INT_STATUS;
+ }
+
+ if (status & tx_intr)
+ tx_done = fe_poll_tx(priv, budget, tx_intr, &tx_again);
+
+ if (status & rx_intr)
+ rx_done = fe_poll_rx(napi, budget, priv, rx_intr);
+
+ if (unlikely(fe_status & status_intr)) {
+ if (hwstat && spin_trylock(&hwstat->stats_lock)) {
+ fe_stats_update(priv);
+ spin_unlock(&hwstat->stats_lock);
+ }
+ fe_reg_w32(status_intr, status_reg);
+ }
+
+ if (unlikely(netif_msg_intr(priv))) {
+ mask = fe_reg_r32(FE_REG_FE_INT_ENABLE);
+ netdev_info(priv->netdev,
+ "done tx %d, rx %d, intr 0x%08x/0x%x\n",
+ tx_done, rx_done, status, mask);
+ }
+
+ if (!tx_again && (rx_done < budget)) {
+ status = fe_reg_r32(FE_REG_FE_INT_STATUS);
+ if (status & (tx_intr | rx_intr)) {
+ /* let napi poll again */
+ rx_done = budget;
+ goto poll_again;
+ }
+
+ napi_complete_done(napi, rx_done);
+ fe_int_enable(tx_intr | rx_intr);
+ } else {
+ rx_done = budget;
+ }
+
+poll_again:
+ return rx_done;
+}
+
+static void fe_tx_timeout(struct net_device *dev)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ struct fe_tx_ring *ring = &priv->tx_ring;
+
+ priv->netdev->stats.tx_errors++;
+ netif_err(priv, tx_err, dev,
+ "transmit timed out\n");
+ netif_info(priv, drv, dev, "dma_cfg:%08x\n",
+ fe_reg_r32(FE_REG_PDMA_GLO_CFG));
+ netif_info(priv, drv, dev, "tx_ring=%d, "
+ "base=%08x, max=%u, ctx=%u, dtx=%u, fdx=%hu, next=%hu\n",
+ 0, fe_reg_r32(FE_REG_TX_BASE_PTR0),
+ fe_reg_r32(FE_REG_TX_MAX_CNT0),
+ fe_reg_r32(FE_REG_TX_CTX_IDX0),
+ fe_reg_r32(FE_REG_TX_DTX_IDX0),
+ ring->tx_free_idx,
+ ring->tx_next_idx);
+ netif_info(priv, drv, dev,
+ "rx_ring=%d, base=%08x, max=%u, calc=%u, drx=%u\n",
+ 0, fe_reg_r32(FE_REG_RX_BASE_PTR0),
+ fe_reg_r32(FE_REG_RX_MAX_CNT0),
+ fe_reg_r32(FE_REG_RX_CALC_IDX0),
+ fe_reg_r32(FE_REG_RX_DRX_IDX0));
+
+ if (!test_and_set_bit(FE_FLAG_RESET_PENDING, priv->pending_flags))
+ schedule_work(&priv->pending_work);
+}
+
+static irqreturn_t fe_handle_irq(int irq, void *dev)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ u32 status, int_mask;
+
+ status = fe_reg_r32(FE_REG_FE_INT_STATUS);
+
+ if (unlikely(!status))
+ return IRQ_NONE;
+
+ int_mask = (priv->soc->rx_int | priv->soc->tx_int);
+ if (likely(status & int_mask)) {
+ if (likely(napi_schedule_prep(&priv->rx_napi))) {
+ fe_int_disable(int_mask);
+ __napi_schedule(&priv->rx_napi);
+ }
+ } else {
+ fe_reg_w32(status, FE_REG_FE_INT_STATUS);
+ }
+
+ return IRQ_HANDLED;
+}
+
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void fe_poll_controller(struct net_device *dev)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ u32 int_mask = priv->soc->tx_int | priv->soc->rx_int;
+
+ fe_int_disable(int_mask);
+ fe_handle_irq(dev->irq, dev);
+ fe_int_enable(int_mask);
+}
+#endif
+
+int fe_set_clock_cycle(struct fe_priv *priv)
+{
+ unsigned long sysclk = priv->sysclk;
+
+ sysclk /= FE_US_CYC_CNT_DIVISOR;
+ sysclk <<= FE_US_CYC_CNT_SHIFT;
+
+ fe_w32((fe_r32(FE_FE_GLO_CFG) &
+ ~(FE_US_CYC_CNT_MASK << FE_US_CYC_CNT_SHIFT)) |
+ sysclk,
+ FE_FE_GLO_CFG);
+ return 0;
+}
+
+void fe_fwd_config(struct fe_priv *priv)
+{
+ u32 fwd_cfg;
+
+ fwd_cfg = fe_r32(FE_GDMA1_FWD_CFG);
+
+ /* disable jumbo frame */
+ if (priv->flags & FE_FLAG_JUMBO_FRAME)
+ fwd_cfg &= ~FE_GDM1_JMB_EN;
+
+ /* set unicast/multicast/broadcast frame to cpu */
+ fwd_cfg &= ~0xffff;
+
+ fe_w32(fwd_cfg, FE_GDMA1_FWD_CFG);
+}
+
+static void fe_rxcsum_config(bool enable)
+{
+ if (enable)
+ fe_w32(fe_r32(FE_GDMA1_FWD_CFG) | (FE_GDM1_ICS_EN |
+ FE_GDM1_TCS_EN | FE_GDM1_UCS_EN),
+ FE_GDMA1_FWD_CFG);
+ else
+ fe_w32(fe_r32(FE_GDMA1_FWD_CFG) & ~(FE_GDM1_ICS_EN |
+ FE_GDM1_TCS_EN | FE_GDM1_UCS_EN),
+ FE_GDMA1_FWD_CFG);
+}
+
+static void fe_txcsum_config(bool enable)
+{
+ if (enable)
+ fe_w32(fe_r32(FE_CDMA_CSG_CFG) | (FE_ICS_GEN_EN |
+ FE_TCS_GEN_EN | FE_UCS_GEN_EN),
+ FE_CDMA_CSG_CFG);
+ else
+ fe_w32(fe_r32(FE_CDMA_CSG_CFG) & ~(FE_ICS_GEN_EN |
+ FE_TCS_GEN_EN | FE_UCS_GEN_EN),
+ FE_CDMA_CSG_CFG);
+}
+
+void fe_csum_config(struct fe_priv *priv)
+{
+ struct net_device *dev = priv_netdev(priv);
+
+ fe_txcsum_config((dev->features & NETIF_F_IP_CSUM));
+ fe_rxcsum_config((dev->features & NETIF_F_RXCSUM));
+}
+
+static int fe_hw_init(struct net_device *dev)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ int i, err;
+
+ err = devm_request_irq(priv->dev, dev->irq, fe_handle_irq, 0,
+ dev_name(priv->dev), dev);
+ if (err)
+ return err;
+
+ if (priv->soc->set_mac)
+ priv->soc->set_mac(priv, dev->dev_addr);
+ else
+ fe_hw_set_macaddr(priv, dev->dev_addr);
+
+ /* disable delay interrupt */
+ fe_reg_w32(0, FE_REG_DLY_INT_CFG);
+
+ fe_int_disable(priv->soc->tx_int | priv->soc->rx_int);
+
+ /* frame engine will push VLAN tag regarding to VIDX feild in Tx desc */
+ if (fe_reg_table[FE_REG_FE_DMA_VID_BASE])
+ for (i = 0; i < 16; i += 2)
+ fe_w32(((i + 1) << 16) + i,
+ fe_reg_table[FE_REG_FE_DMA_VID_BASE] +
+ (i * 2));
+
+ if (priv->soc->fwd_config(priv))
+ netdev_err(dev, "unable to get clock\n");
+
+ if (fe_reg_table[FE_REG_FE_RST_GL]) {
+ fe_reg_w32(1, FE_REG_FE_RST_GL);
+ fe_reg_w32(0, FE_REG_FE_RST_GL);
+ }
+
+ return 0;
+}
+
+static int fe_open(struct net_device *dev)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ unsigned long flags;
+ u32 val;
+ int err;
+
+ err = fe_init_dma(priv);
+ if (err) {
+ fe_free_dma(priv);
+ return err;
+ }
+
+ spin_lock_irqsave(&priv->page_lock, flags);
+
+ val = FE_TX_WB_DDONE | FE_RX_DMA_EN | FE_TX_DMA_EN;
+ if (priv->flags & FE_FLAG_RX_2B_OFFSET)
+ val |= FE_RX_2B_OFFSET;
+ val |= priv->soc->pdma_glo_cfg;
+ fe_reg_w32(val, FE_REG_PDMA_GLO_CFG);
+
+ spin_unlock_irqrestore(&priv->page_lock, flags);
+
+ if (priv->phy)
+ priv->phy->start(priv);
+
+ if (priv->soc->has_carrier && priv->soc->has_carrier(priv))
+ netif_carrier_on(dev);
+
+ napi_enable(&priv->rx_napi);
+ fe_int_enable(priv->soc->tx_int | priv->soc->rx_int);
+ netif_start_queue(dev);
+#ifdef CONFIG_NET_MEDIATEK_OFFLOAD
+ mtk_ppe_probe(priv);
+#endif
+
+ return 0;
+}
+
+static int fe_stop(struct net_device *dev)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ unsigned long flags;
+ int i;
+
+ netif_tx_disable(dev);
+ fe_int_disable(priv->soc->tx_int | priv->soc->rx_int);
+ napi_disable(&priv->rx_napi);
+
+ if (priv->phy)
+ priv->phy->stop(priv);
+
+ spin_lock_irqsave(&priv->page_lock, flags);
+
+ fe_reg_w32(fe_reg_r32(FE_REG_PDMA_GLO_CFG) &
+ ~(FE_TX_WB_DDONE | FE_RX_DMA_EN | FE_TX_DMA_EN),
+ FE_REG_PDMA_GLO_CFG);
+ spin_unlock_irqrestore(&priv->page_lock, flags);
+
+ /* wait dma stop */
+ for (i = 0; i < 10; i++) {
+ if (fe_reg_r32(FE_REG_PDMA_GLO_CFG) &
+ (FE_TX_DMA_BUSY | FE_RX_DMA_BUSY)) {
+ msleep(20);
+ continue;
+ }
+ break;
+ }
+
+ fe_free_dma(priv);
+
+#ifdef CONFIG_NET_MEDIATEK_OFFLOAD
+ mtk_ppe_remove(priv);
+#endif
+
+ return 0;
+}
+
+static int __init fe_init(struct net_device *dev)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ struct device_node *port;
+ const char *mac_addr;
+ int err;
+
+ priv->soc->reset_fe();
+
+ if (priv->soc->switch_init)
+ if (priv->soc->switch_init(priv)) {
+ netdev_err(dev, "failed to initialize switch core\n");
+ return -ENODEV;
+ }
+
+ mac_addr = of_get_mac_address(priv->dev->of_node);
+ if (mac_addr)
+ ether_addr_copy(dev->dev_addr, mac_addr);
+
+ /* If the mac address is invalid, use random mac address */
+ if (!is_valid_ether_addr(dev->dev_addr)) {
+ random_ether_addr(dev->dev_addr);
+ dev_err(priv->dev, "generated random MAC address %pM\n",
+ dev->dev_addr);
+ }
+
+ err = fe_mdio_init(priv);
+ if (err)
+ return err;
+
+ if (priv->soc->port_init)
+ for_each_child_of_node(priv->dev->of_node, port)
+ if (of_device_is_compatible(port, "mediatek,eth-port") &&
+ of_device_is_available(port))
+ priv->soc->port_init(priv, port);
+
+ if (priv->phy) {
+ err = priv->phy->connect(priv);
+ if (err)
+ goto err_phy_disconnect;
+ }
+
+ err = fe_hw_init(dev);
+ if (err)
+ goto err_phy_disconnect;
+
+ if ((priv->flags & FE_FLAG_HAS_SWITCH) && priv->soc->switch_config)
+ priv->soc->switch_config(priv);
+
+ return 0;
+
+err_phy_disconnect:
+ if (priv->phy)
+ priv->phy->disconnect(priv);
+ fe_mdio_cleanup(priv);
+
+ return err;
+}
+
+static void fe_uninit(struct net_device *dev)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+
+ if (priv->phy)
+ priv->phy->disconnect(priv);
+ fe_mdio_cleanup(priv);
+
+ fe_reg_w32(0, FE_REG_FE_INT_ENABLE);
+ free_irq(dev->irq, dev);
+}
+
+static int fe_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+
+ if (!priv->phy_dev)
+ return -ENODEV;
+
+ switch (cmd) {
+ case SIOCETHTOOL:
+ return phy_ethtool_ioctl(priv->phy_dev,
+ (void *) ifr->ifr_data);
+ case SIOCGMIIPHY:
+ case SIOCGMIIREG:
+ case SIOCSMIIREG:
+ return phy_mii_ioctl(priv->phy_dev, ifr, cmd);
+ default:
+ break;
+ }
+
+ return -EOPNOTSUPP;
+}
+
+static int fe_change_mtu(struct net_device *dev, int new_mtu)
+{
+ struct fe_priv *priv = netdev_priv(dev);
+ int frag_size, old_mtu;
+ u32 fwd_cfg;
+
+ old_mtu = dev->mtu;
+ dev->mtu = new_mtu;
+
+ if (!(priv->flags & FE_FLAG_JUMBO_FRAME))
+ return 0;
+
+ /* return early if the buffer sizes will not change */
+ if (old_mtu <= ETH_DATA_LEN && new_mtu <= ETH_DATA_LEN)
+ return 0;
+ if (old_mtu > ETH_DATA_LEN && new_mtu > ETH_DATA_LEN)
+ return 0;
+
+ if (new_mtu <= ETH_DATA_LEN)
+ priv->rx_ring.frag_size = fe_max_frag_size(ETH_DATA_LEN);
+ else
+ priv->rx_ring.frag_size = PAGE_SIZE;
+ priv->rx_ring.rx_buf_size = fe_max_buf_size(priv->rx_ring.frag_size);
+
+ if (!netif_running(dev))
+ return 0;
+
+ fe_stop(dev);
+ if (!IS_ENABLED(CONFIG_SOC_MT7621)) {
+ fwd_cfg = fe_r32(FE_GDMA1_FWD_CFG);
+ if (new_mtu <= ETH_DATA_LEN) {
+ fwd_cfg &= ~FE_GDM1_JMB_EN;
+ } else {
+ frag_size = fe_max_frag_size(new_mtu);
+ fwd_cfg &= ~(FE_GDM1_JMB_LEN_MASK << FE_GDM1_JMB_LEN_SHIFT);
+ fwd_cfg |= (DIV_ROUND_UP(frag_size, 1024) <<
+ FE_GDM1_JMB_LEN_SHIFT) | FE_GDM1_JMB_EN;
+ }
+ fe_w32(fwd_cfg, FE_GDMA1_FWD_CFG);
+ }
+
+ return fe_open(dev);
+}
+
+#ifdef CONFIG_NET_MEDIATEK_OFFLOAD
+static int
+fe_flow_offload(enum flow_offload_type type, struct flow_offload *flow,
+ struct flow_offload_hw_path *src,
+ struct flow_offload_hw_path *dest)
+{
+ struct fe_priv *priv;
+
+ if (src->dev != dest->dev)
+ return -EINVAL;
+
+ priv = netdev_priv(src->dev);
+
+ return mtk_flow_offload(priv, type, flow, src, dest);
+}
+#endif
+
+static const struct net_device_ops fe_netdev_ops = {
+ .ndo_init = fe_init,
+ .ndo_uninit = fe_uninit,
+ .ndo_open = fe_open,
+ .ndo_stop = fe_stop,
+ .ndo_start_xmit = fe_start_xmit,
+ .ndo_set_mac_address = fe_set_mac_address,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_do_ioctl = fe_do_ioctl,
+ .ndo_change_mtu = fe_change_mtu,
+ .ndo_tx_timeout = fe_tx_timeout,
+ .ndo_get_stats64 = fe_get_stats64,
+ .ndo_vlan_rx_add_vid = fe_vlan_rx_add_vid,
+ .ndo_vlan_rx_kill_vid = fe_vlan_rx_kill_vid,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ .ndo_poll_controller = fe_poll_controller,
+#endif
+#ifdef CONFIG_NET_MEDIATEK_OFFLOAD
+ .ndo_flow_offload = fe_flow_offload,
+#endif
+};
+
+static void fe_reset_pending(struct fe_priv *priv)
+{
+ struct net_device *dev = priv->netdev;
+ int err;
+
+ rtnl_lock();
+ fe_stop(dev);
+
+ err = fe_open(dev);
+ if (err) {
+ netif_alert(priv, ifup, dev,
+ "Driver up/down cycle failed, closing device.\n");
+ dev_close(dev);
+ }
+ rtnl_unlock();
+}
+
+static const struct fe_work_t fe_work[] = {
+ {FE_FLAG_RESET_PENDING, fe_reset_pending},
+};
+
+static void fe_pending_work(struct work_struct *work)
+{
+ struct fe_priv *priv = container_of(work, struct fe_priv, pending_work);
+ int i;
+ bool pending;
+
+ for (i = 0; i < ARRAY_SIZE(fe_work); i++) {
+ pending = test_and_clear_bit(fe_work[i].bitnr,
+ priv->pending_flags);
+ if (pending)
+ fe_work[i].action(priv);
+ }
+}
+
+static int fe_probe(struct platform_device *pdev)
+{
+ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ const struct of_device_id *match;
+ struct fe_soc_data *soc;
+ struct net_device *netdev;
+ struct fe_priv *priv;
+ struct clk *sysclk;
+ int err, napi_weight;
+
+ device_reset(&pdev->dev);
+
+ match = of_match_device(of_fe_match, &pdev->dev);
+ soc = (struct fe_soc_data *)match->data;
+
+ if (soc->reg_table)
+ fe_reg_table = soc->reg_table;
+ else
+ soc->reg_table = fe_reg_table;
+
+ fe_base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(fe_base)) {
+ err = -EADDRNOTAVAIL;
+ goto err_out;
+ }
+
+ netdev = alloc_etherdev(sizeof(*priv));
+ if (!netdev) {
+ dev_err(&pdev->dev, "alloc_etherdev failed\n");
+ err = -ENOMEM;
+ goto err_iounmap;
+ }
+
+ SET_NETDEV_DEV(netdev, &pdev->dev);
+ netdev->netdev_ops = &fe_netdev_ops;
+ netdev->base_addr = (unsigned long)fe_base;
+
+ netdev->irq = platform_get_irq(pdev, 0);
+ if (netdev->irq < 0) {
+ dev_err(&pdev->dev, "no IRQ resource found\n");
+ err = -ENXIO;
+ goto err_free_dev;
+ }
+
+ if (soc->init_data)
+ soc->init_data(soc, netdev);
+ netdev->vlan_features = netdev->hw_features & ~NETIF_F_HW_VLAN_CTAG_TX;
+ netdev->features |= netdev->hw_features;
+
+ if (IS_ENABLED(CONFIG_SOC_MT7621))
+ netdev->max_mtu = 2048;
+
+ /* fake rx vlan filter func. to support tx vlan offload func */
+ if (fe_reg_table[FE_REG_FE_DMA_VID_BASE])
+ netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
+
+ priv = netdev_priv(netdev);
+ spin_lock_init(&priv->page_lock);
+ if (fe_reg_table[FE_REG_FE_COUNTER_BASE]) {
+ priv->hw_stats = kzalloc(sizeof(*priv->hw_stats), GFP_KERNEL);
+ if (!priv->hw_stats) {
+ err = -ENOMEM;
+ goto err_free_dev;
+ }
+ spin_lock_init(&priv->hw_stats->stats_lock);
+ }
+
+ sysclk = devm_clk_get(&pdev->dev, NULL);
+ if (!IS_ERR(sysclk)) {
+ priv->sysclk = clk_get_rate(sysclk);
+ } else if ((priv->flags & FE_FLAG_CALIBRATE_CLK)) {
+ dev_err(&pdev->dev, "this soc needs a clk for calibration\n");
+ err = -ENXIO;
+ goto err_free_dev;
+ }
+
+ priv->switch_np = of_parse_phandle(pdev->dev.of_node, "mediatek,switch", 0);
+ if ((priv->flags & FE_FLAG_HAS_SWITCH) && !priv->switch_np) {
+ dev_err(&pdev->dev, "failed to read switch phandle\n");
+ err = -ENODEV;
+ goto err_free_dev;
+ }
+
+ priv->netdev = netdev;
+ priv->dev = &pdev->dev;
+ priv->soc = soc;
+ priv->msg_enable = netif_msg_init(fe_msg_level, FE_DEFAULT_MSG_ENABLE);
+ priv->rx_ring.frag_size = fe_max_frag_size(ETH_DATA_LEN);
+ priv->rx_ring.rx_buf_size = fe_max_buf_size(priv->rx_ring.frag_size);
+ priv->tx_ring.tx_ring_size = NUM_DMA_DESC;
+ priv->rx_ring.rx_ring_size = NUM_DMA_DESC;
+ INIT_WORK(&priv->pending_work, fe_pending_work);
+ u64_stats_init(&priv->hw_stats->syncp);
+
+ napi_weight = 16;
+ if (priv->flags & FE_FLAG_NAPI_WEIGHT) {
+ napi_weight *= 4;
+ priv->tx_ring.tx_ring_size *= 4;
+ priv->rx_ring.rx_ring_size *= 4;
+ }
+ netif_napi_add(netdev, &priv->rx_napi, fe_poll, napi_weight);
+ fe_set_ethtool_ops(netdev);
+
+ err = register_netdev(netdev);
+ if (err) {
+ dev_err(&pdev->dev, "error bringing up device\n");
+ goto err_free_dev;
+ }
+
+ platform_set_drvdata(pdev, netdev);
+
+ netif_info(priv, probe, netdev, "mediatek frame engine at 0x%08lx, irq %d\n",
+ netdev->base_addr, netdev->irq);
+
+ return 0;
+
+err_free_dev:
+ free_netdev(netdev);
+err_iounmap:
+ devm_iounmap(&pdev->dev, fe_base);
+err_out:
+ return err;
+}
+
+static int fe_remove(struct platform_device *pdev)
+{
+ struct net_device *dev = platform_get_drvdata(pdev);
+ struct fe_priv *priv = netdev_priv(dev);
+
+ netif_napi_del(&priv->rx_napi);
+ kfree(priv->hw_stats);
+
+ cancel_work_sync(&priv->pending_work);
+
+ unregister_netdev(dev);
+ free_netdev(dev);
+ platform_set_drvdata(pdev, NULL);
+
+ return 0;
+}
+
+static struct platform_driver fe_driver = {
+ .probe = fe_probe,
+ .remove = fe_remove,
+ .driver = {
+ .name = "mtk_soc_eth",
+ .owner = THIS_MODULE,
+ .of_match_table = of_fe_match,
+ },
+};
+
+module_platform_driver(fe_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
+MODULE_DESCRIPTION("Ethernet driver for Ralink SoC");
+MODULE_VERSION(MTK_FE_DRV_VERSION);
--- /dev/null
+/* This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#ifndef FE_ETH_H
+#define FE_ETH_H
+
+#include <linux/mii.h>
+#include <linux/interrupt.h>
+#include <linux/netdevice.h>
+#include <linux/dma-mapping.h>
+#include <linux/phy.h>
+#include <linux/ethtool.h>
+#include <linux/version.h>
+
+enum fe_reg {
+ FE_REG_PDMA_GLO_CFG = 0,
+ FE_REG_PDMA_RST_CFG,
+ FE_REG_DLY_INT_CFG,
+ FE_REG_TX_BASE_PTR0,
+ FE_REG_TX_MAX_CNT0,
+ FE_REG_TX_CTX_IDX0,
+ FE_REG_TX_DTX_IDX0,
+ FE_REG_RX_BASE_PTR0,
+ FE_REG_RX_MAX_CNT0,
+ FE_REG_RX_CALC_IDX0,
+ FE_REG_RX_DRX_IDX0,
+ FE_REG_FE_INT_ENABLE,
+ FE_REG_FE_INT_STATUS,
+ FE_REG_FE_DMA_VID_BASE,
+ FE_REG_FE_COUNTER_BASE,
+ FE_REG_FE_RST_GL,
+ FE_REG_FE_INT_STATUS2,
+ FE_REG_COUNT
+};
+
+enum fe_work_flag {
+ FE_FLAG_RESET_PENDING,
+ FE_FLAG_MAX
+};
+
+#define MTK_FE_DRV_VERSION "0.1.2"
+
+/* power of 2 to let NEXT_TX_DESP_IDX work */
+#define NUM_DMA_DESC BIT(10)
+#define MAX_DMA_DESC 0xfff
+
+#define FE_DELAY_EN_INT 0x80
+#define FE_DELAY_MAX_INT 0x04
+#define FE_DELAY_MAX_TOUT 0x04
+#define FE_DELAY_TIME 20
+#define FE_DELAY_CHAN (((FE_DELAY_EN_INT | FE_DELAY_MAX_INT) << 8) | \
+ FE_DELAY_MAX_TOUT)
+#define FE_DELAY_INIT ((FE_DELAY_CHAN << 16) | FE_DELAY_CHAN)
+#define FE_PSE_FQFC_CFG_INIT 0x80504000
+#define FE_PSE_FQFC_CFG_256Q 0xff908000
+
+/* interrupt bits */
+#define FE_CNT_PPE_AF BIT(31)
+#define FE_CNT_GDM_AF BIT(29)
+#define FE_PSE_P2_FC BIT(26)
+#define FE_PSE_BUF_DROP BIT(24)
+#define FE_GDM_OTHER_DROP BIT(23)
+#define FE_PSE_P1_FC BIT(22)
+#define FE_PSE_P0_FC BIT(21)
+#define FE_PSE_FQ_EMPTY BIT(20)
+#define FE_GE1_STA_CHG BIT(18)
+#define FE_TX_COHERENT BIT(17)
+#define FE_RX_COHERENT BIT(16)
+#define FE_TX_DONE_INT3 BIT(11)
+#define FE_TX_DONE_INT2 BIT(10)
+#define FE_TX_DONE_INT1 BIT(9)
+#define FE_TX_DONE_INT0 BIT(8)
+#define FE_RX_DONE_INT0 BIT(2)
+#define FE_TX_DLY_INT BIT(1)
+#define FE_RX_DLY_INT BIT(0)
+
+#define FE_RX_DONE_INT FE_RX_DONE_INT0
+#define FE_TX_DONE_INT (FE_TX_DONE_INT0 | FE_TX_DONE_INT1 | \
+ FE_TX_DONE_INT2 | FE_TX_DONE_INT3)
+
+#define RT5350_RX_DLY_INT BIT(30)
+#define RT5350_TX_DLY_INT BIT(28)
+#define RT5350_RX_DONE_INT1 BIT(17)
+#define RT5350_RX_DONE_INT0 BIT(16)
+#define RT5350_TX_DONE_INT3 BIT(3)
+#define RT5350_TX_DONE_INT2 BIT(2)
+#define RT5350_TX_DONE_INT1 BIT(1)
+#define RT5350_TX_DONE_INT0 BIT(0)
+
+#define RT5350_RX_DONE_INT (RT5350_RX_DONE_INT0 | RT5350_RX_DONE_INT1)
+#define RT5350_TX_DONE_INT (RT5350_TX_DONE_INT0 | RT5350_TX_DONE_INT1 | \
+ RT5350_TX_DONE_INT2 | RT5350_TX_DONE_INT3)
+
+/* registers */
+#define FE_FE_OFFSET 0x0000
+#define FE_GDMA_OFFSET 0x0020
+#define FE_PSE_OFFSET 0x0040
+#define FE_GDMA2_OFFSET 0x0060
+#define FE_CDMA_OFFSET 0x0080
+#define FE_DMA_VID0 0x00a8
+#define FE_PDMA_OFFSET 0x0100
+#define FE_PPE_OFFSET 0x0200
+#define FE_CMTABLE_OFFSET 0x0400
+#define FE_POLICYTABLE_OFFSET 0x1000
+
+#define RT5350_PDMA_OFFSET 0x0800
+#define RT5350_SDM_OFFSET 0x0c00
+
+#define FE_MDIO_ACCESS (FE_FE_OFFSET + 0x00)
+#define FE_MDIO_CFG (FE_FE_OFFSET + 0x04)
+#define FE_FE_GLO_CFG (FE_FE_OFFSET + 0x08)
+#define FE_FE_RST_GL (FE_FE_OFFSET + 0x0C)
+#define FE_FE_INT_STATUS (FE_FE_OFFSET + 0x10)
+#define FE_FE_INT_ENABLE (FE_FE_OFFSET + 0x14)
+#define FE_MDIO_CFG2 (FE_FE_OFFSET + 0x18)
+#define FE_FOC_TS_T (FE_FE_OFFSET + 0x1C)
+
+#define FE_GDMA1_FWD_CFG (FE_GDMA_OFFSET + 0x00)
+#define FE_GDMA1_SCH_CFG (FE_GDMA_OFFSET + 0x04)
+#define FE_GDMA1_SHPR_CFG (FE_GDMA_OFFSET + 0x08)
+#define FE_GDMA1_MAC_ADRL (FE_GDMA_OFFSET + 0x0C)
+#define FE_GDMA1_MAC_ADRH (FE_GDMA_OFFSET + 0x10)
+
+#define FE_GDMA2_FWD_CFG (FE_GDMA2_OFFSET + 0x00)
+#define FE_GDMA2_SCH_CFG (FE_GDMA2_OFFSET + 0x04)
+#define FE_GDMA2_SHPR_CFG (FE_GDMA2_OFFSET + 0x08)
+#define FE_GDMA2_MAC_ADRL (FE_GDMA2_OFFSET + 0x0C)
+#define FE_GDMA2_MAC_ADRH (FE_GDMA2_OFFSET + 0x10)
+
+#define FE_PSE_FQ_CFG (FE_PSE_OFFSET + 0x00)
+#define FE_CDMA_FC_CFG (FE_PSE_OFFSET + 0x04)
+#define FE_GDMA1_FC_CFG (FE_PSE_OFFSET + 0x08)
+#define FE_GDMA2_FC_CFG (FE_PSE_OFFSET + 0x0C)
+
+#define FE_CDMA_CSG_CFG (FE_CDMA_OFFSET + 0x00)
+#define FE_CDMA_SCH_CFG (FE_CDMA_OFFSET + 0x04)
+
+#ifdef CONFIG_SOC_MT7621
+#define MT7620A_GDMA_OFFSET 0x0500
+#else
+#define MT7620A_GDMA_OFFSET 0x0600
+#endif
+#define MT7620A_GDMA1_FWD_CFG (MT7620A_GDMA_OFFSET + 0x00)
+#define MT7620A_FE_GDMA1_SCH_CFG (MT7620A_GDMA_OFFSET + 0x04)
+#define MT7620A_FE_GDMA1_SHPR_CFG (MT7620A_GDMA_OFFSET + 0x08)
+#define MT7620A_FE_GDMA1_MAC_ADRL (MT7620A_GDMA_OFFSET + 0x0C)
+#define MT7620A_FE_GDMA1_MAC_ADRH (MT7620A_GDMA_OFFSET + 0x10)
+
+#define RT5350_TX_BASE_PTR0 (RT5350_PDMA_OFFSET + 0x00)
+#define RT5350_TX_MAX_CNT0 (RT5350_PDMA_OFFSET + 0x04)
+#define RT5350_TX_CTX_IDX0 (RT5350_PDMA_OFFSET + 0x08)
+#define RT5350_TX_DTX_IDX0 (RT5350_PDMA_OFFSET + 0x0C)
+#define RT5350_TX_BASE_PTR1 (RT5350_PDMA_OFFSET + 0x10)
+#define RT5350_TX_MAX_CNT1 (RT5350_PDMA_OFFSET + 0x14)
+#define RT5350_TX_CTX_IDX1 (RT5350_PDMA_OFFSET + 0x18)
+#define RT5350_TX_DTX_IDX1 (RT5350_PDMA_OFFSET + 0x1C)
+#define RT5350_TX_BASE_PTR2 (RT5350_PDMA_OFFSET + 0x20)
+#define RT5350_TX_MAX_CNT2 (RT5350_PDMA_OFFSET + 0x24)
+#define RT5350_TX_CTX_IDX2 (RT5350_PDMA_OFFSET + 0x28)
+#define RT5350_TX_DTX_IDX2 (RT5350_PDMA_OFFSET + 0x2C)
+#define RT5350_TX_BASE_PTR3 (RT5350_PDMA_OFFSET + 0x30)
+#define RT5350_TX_MAX_CNT3 (RT5350_PDMA_OFFSET + 0x34)
+#define RT5350_TX_CTX_IDX3 (RT5350_PDMA_OFFSET + 0x38)
+#define RT5350_TX_DTX_IDX3 (RT5350_PDMA_OFFSET + 0x3C)
+#define RT5350_RX_BASE_PTR0 (RT5350_PDMA_OFFSET + 0x100)
+#define RT5350_RX_MAX_CNT0 (RT5350_PDMA_OFFSET + 0x104)
+#define RT5350_RX_CALC_IDX0 (RT5350_PDMA_OFFSET + 0x108)
+#define RT5350_RX_DRX_IDX0 (RT5350_PDMA_OFFSET + 0x10C)
+#define RT5350_RX_BASE_PTR1 (RT5350_PDMA_OFFSET + 0x110)
+#define RT5350_RX_MAX_CNT1 (RT5350_PDMA_OFFSET + 0x114)
+#define RT5350_RX_CALC_IDX1 (RT5350_PDMA_OFFSET + 0x118)
+#define RT5350_RX_DRX_IDX1 (RT5350_PDMA_OFFSET + 0x11C)
+#define RT5350_PDMA_GLO_CFG (RT5350_PDMA_OFFSET + 0x204)
+#define RT5350_PDMA_RST_CFG (RT5350_PDMA_OFFSET + 0x208)
+#define RT5350_DLY_INT_CFG (RT5350_PDMA_OFFSET + 0x20c)
+#define RT5350_FE_INT_STATUS (RT5350_PDMA_OFFSET + 0x220)
+#define RT5350_FE_INT_ENABLE (RT5350_PDMA_OFFSET + 0x228)
+#define RT5350_PDMA_SCH_CFG (RT5350_PDMA_OFFSET + 0x280)
+
+#define FE_PDMA_GLO_CFG (FE_PDMA_OFFSET + 0x00)
+#define FE_PDMA_RST_CFG (FE_PDMA_OFFSET + 0x04)
+#define FE_PDMA_SCH_CFG (FE_PDMA_OFFSET + 0x08)
+#define FE_DLY_INT_CFG (FE_PDMA_OFFSET + 0x0C)
+#define FE_TX_BASE_PTR0 (FE_PDMA_OFFSET + 0x10)
+#define FE_TX_MAX_CNT0 (FE_PDMA_OFFSET + 0x14)
+#define FE_TX_CTX_IDX0 (FE_PDMA_OFFSET + 0x18)
+#define FE_TX_DTX_IDX0 (FE_PDMA_OFFSET + 0x1C)
+#define FE_TX_BASE_PTR1 (FE_PDMA_OFFSET + 0x20)
+#define FE_TX_MAX_CNT1 (FE_PDMA_OFFSET + 0x24)
+#define FE_TX_CTX_IDX1 (FE_PDMA_OFFSET + 0x28)
+#define FE_TX_DTX_IDX1 (FE_PDMA_OFFSET + 0x2C)
+#define FE_RX_BASE_PTR0 (FE_PDMA_OFFSET + 0x30)
+#define FE_RX_MAX_CNT0 (FE_PDMA_OFFSET + 0x34)
+#define FE_RX_CALC_IDX0 (FE_PDMA_OFFSET + 0x38)
+#define FE_RX_DRX_IDX0 (FE_PDMA_OFFSET + 0x3C)
+#define FE_TX_BASE_PTR2 (FE_PDMA_OFFSET + 0x40)
+#define FE_TX_MAX_CNT2 (FE_PDMA_OFFSET + 0x44)
+#define FE_TX_CTX_IDX2 (FE_PDMA_OFFSET + 0x48)
+#define FE_TX_DTX_IDX2 (FE_PDMA_OFFSET + 0x4C)
+#define FE_TX_BASE_PTR3 (FE_PDMA_OFFSET + 0x50)
+#define FE_TX_MAX_CNT3 (FE_PDMA_OFFSET + 0x54)
+#define FE_TX_CTX_IDX3 (FE_PDMA_OFFSET + 0x58)
+#define FE_TX_DTX_IDX3 (FE_PDMA_OFFSET + 0x5C)
+#define FE_RX_BASE_PTR1 (FE_PDMA_OFFSET + 0x60)
+#define FE_RX_MAX_CNT1 (FE_PDMA_OFFSET + 0x64)
+#define FE_RX_CALC_IDX1 (FE_PDMA_OFFSET + 0x68)
+#define FE_RX_DRX_IDX1 (FE_PDMA_OFFSET + 0x6C)
+
+/* Switch DMA configuration */
+#define RT5350_SDM_CFG (RT5350_SDM_OFFSET + 0x00)
+#define RT5350_SDM_RRING (RT5350_SDM_OFFSET + 0x04)
+#define RT5350_SDM_TRING (RT5350_SDM_OFFSET + 0x08)
+#define RT5350_SDM_MAC_ADRL (RT5350_SDM_OFFSET + 0x0C)
+#define RT5350_SDM_MAC_ADRH (RT5350_SDM_OFFSET + 0x10)
+#define RT5350_SDM_TPCNT (RT5350_SDM_OFFSET + 0x100)
+#define RT5350_SDM_TBCNT (RT5350_SDM_OFFSET + 0x104)
+#define RT5350_SDM_RPCNT (RT5350_SDM_OFFSET + 0x108)
+#define RT5350_SDM_RBCNT (RT5350_SDM_OFFSET + 0x10C)
+#define RT5350_SDM_CS_ERR (RT5350_SDM_OFFSET + 0x110)
+
+#define RT5350_SDM_ICS_EN BIT(16)
+#define RT5350_SDM_TCS_EN BIT(17)
+#define RT5350_SDM_UCS_EN BIT(18)
+
+/* MDIO_CFG register bits */
+#define FE_MDIO_CFG_AUTO_POLL_EN BIT(29)
+#define FE_MDIO_CFG_GP1_BP_EN BIT(16)
+#define FE_MDIO_CFG_GP1_FRC_EN BIT(15)
+#define FE_MDIO_CFG_GP1_SPEED_10 (0 << 13)
+#define FE_MDIO_CFG_GP1_SPEED_100 (1 << 13)
+#define FE_MDIO_CFG_GP1_SPEED_1000 (2 << 13)
+#define FE_MDIO_CFG_GP1_DUPLEX BIT(12)
+#define FE_MDIO_CFG_GP1_FC_TX BIT(11)
+#define FE_MDIO_CFG_GP1_FC_RX BIT(10)
+#define FE_MDIO_CFG_GP1_LNK_DWN BIT(9)
+#define FE_MDIO_CFG_GP1_AN_FAIL BIT(8)
+#define FE_MDIO_CFG_MDC_CLK_DIV_1 (0 << 6)
+#define FE_MDIO_CFG_MDC_CLK_DIV_2 (1 << 6)
+#define FE_MDIO_CFG_MDC_CLK_DIV_4 (2 << 6)
+#define FE_MDIO_CFG_MDC_CLK_DIV_8 (3 << 6)
+#define FE_MDIO_CFG_TURBO_MII_FREQ BIT(5)
+#define FE_MDIO_CFG_TURBO_MII_MODE BIT(4)
+#define FE_MDIO_CFG_RX_CLK_SKEW_0 (0 << 2)
+#define FE_MDIO_CFG_RX_CLK_SKEW_200 (1 << 2)
+#define FE_MDIO_CFG_RX_CLK_SKEW_400 (2 << 2)
+#define FE_MDIO_CFG_RX_CLK_SKEW_INV (3 << 2)
+#define FE_MDIO_CFG_TX_CLK_SKEW_0 0
+#define FE_MDIO_CFG_TX_CLK_SKEW_200 1
+#define FE_MDIO_CFG_TX_CLK_SKEW_400 2
+#define FE_MDIO_CFG_TX_CLK_SKEW_INV 3
+
+/* uni-cast port */
+#define FE_GDM1_JMB_LEN_MASK 0xf
+#define FE_GDM1_JMB_LEN_SHIFT 28
+#define FE_GDM1_ICS_EN BIT(22)
+#define FE_GDM1_TCS_EN BIT(21)
+#define FE_GDM1_UCS_EN BIT(20)
+#define FE_GDM1_JMB_EN BIT(19)
+#define FE_GDM1_STRPCRC BIT(16)
+#define FE_GDM1_UFRC_P_CPU (0 << 12)
+#define FE_GDM1_UFRC_P_GDMA1 (1 << 12)
+#define FE_GDM1_UFRC_P_PPE (6 << 12)
+
+/* checksums */
+#define FE_ICS_GEN_EN BIT(2)
+#define FE_UCS_GEN_EN BIT(1)
+#define FE_TCS_GEN_EN BIT(0)
+
+/* dma ring */
+#define FE_PST_DRX_IDX0 BIT(16)
+#define FE_PST_DTX_IDX3 BIT(3)
+#define FE_PST_DTX_IDX2 BIT(2)
+#define FE_PST_DTX_IDX1 BIT(1)
+#define FE_PST_DTX_IDX0 BIT(0)
+
+#define FE_RX_2B_OFFSET BIT(31)
+#define FE_TX_WB_DDONE BIT(6)
+#define FE_RX_DMA_BUSY BIT(3)
+#define FE_TX_DMA_BUSY BIT(1)
+#define FE_RX_DMA_EN BIT(2)
+#define FE_TX_DMA_EN BIT(0)
+
+#define FE_PDMA_SIZE_4DWORDS (0 << 4)
+#define FE_PDMA_SIZE_8DWORDS (1 << 4)
+#define FE_PDMA_SIZE_16DWORDS (2 << 4)
+
+#define FE_US_CYC_CNT_MASK 0xff
+#define FE_US_CYC_CNT_SHIFT 0x8
+#define FE_US_CYC_CNT_DIVISOR 1000000
+
+/* rxd2 */
+#define RX_DMA_DONE BIT(31)
+#define RX_DMA_LSO BIT(30)
+#define RX_DMA_PLEN0(_x) (((_x) & 0x3fff) << 16)
+#define RX_DMA_GET_PLEN0(_x) (((_x) >> 16) & 0x3fff)
+#define RX_DMA_TAG BIT(15)
+/* rxd3 */
+#define RX_DMA_TPID(_x) (((_x) >> 16) & 0xffff)
+#define RX_DMA_VID(_x) ((_x) & 0xffff)
+/* rxd4 */
+#define RX_DMA_L4VALID BIT(30)
+
+struct fe_rx_dma {
+ unsigned int rxd1;
+ unsigned int rxd2;
+ unsigned int rxd3;
+ unsigned int rxd4;
+} __packed __aligned(4);
+
+#define TX_DMA_BUF_LEN 0x3fff
+#define TX_DMA_PLEN0_MASK (TX_DMA_BUF_LEN << 16)
+#define TX_DMA_PLEN0(_x) (((_x) & TX_DMA_BUF_LEN) << 16)
+#define TX_DMA_PLEN1(_x) ((_x) & TX_DMA_BUF_LEN)
+#define TX_DMA_GET_PLEN0(_x) (((_x) >> 16) & TX_DMA_BUF_LEN)
+#define TX_DMA_GET_PLEN1(_x) ((_x) & TX_DMA_BUF_LEN)
+#define TX_DMA_LS1 BIT(14)
+#define TX_DMA_LS0 BIT(30)
+#define TX_DMA_DONE BIT(31)
+
+#define TX_DMA_INS_VLAN_MT7621 BIT(16)
+#define TX_DMA_INS_VLAN BIT(7)
+#define TX_DMA_INS_PPPOE BIT(12)
+#define TX_DMA_QN(_x) ((_x) << 16)
+#define TX_DMA_PN(_x) ((_x) << 24)
+#define TX_DMA_QN_MASK TX_DMA_QN(0x7)
+#define TX_DMA_PN_MASK TX_DMA_PN(0x7)
+#define TX_DMA_UDF BIT(20)
+#define TX_DMA_CHKSUM (0x7 << 29)
+#define TX_DMA_TSO BIT(28)
+
+/* frame engine counters */
+#define FE_PPE_AC_BCNT0 (FE_CMTABLE_OFFSET + 0x00)
+#define FE_GDMA1_TX_GBCNT (FE_CMTABLE_OFFSET + 0x300)
+#define FE_GDMA2_TX_GBCNT (FE_GDMA1_TX_GBCNT + 0x40)
+
+/* phy device flags */
+#define FE_PHY_FLAG_PORT BIT(0)
+#define FE_PHY_FLAG_ATTACH BIT(1)
+
+struct fe_tx_dma {
+ unsigned int txd1;
+ unsigned int txd2;
+ unsigned int txd3;
+ unsigned int txd4;
+} __packed __aligned(4);
+
+struct fe_priv;
+
+struct fe_phy {
+ /* make sure that phy operations are atomic */
+ spinlock_t lock;
+
+ struct phy_device *phy[8];
+ struct device_node *phy_node[8];
+ const __be32 *phy_fixed[8];
+ int duplex[8];
+ int speed[8];
+ int tx_fc[8];
+ int rx_fc[8];
+ int (*connect)(struct fe_priv *priv);
+ void (*disconnect)(struct fe_priv *priv);
+ void (*start)(struct fe_priv *priv);
+ void (*stop)(struct fe_priv *priv);
+};
+
+struct fe_soc_data {
+ const u16 *reg_table;
+
+ void (*init_data)(struct fe_soc_data *data, struct net_device *netdev);
+ void (*reset_fe)(void);
+ void (*set_mac)(struct fe_priv *priv, unsigned char *mac);
+ int (*fwd_config)(struct fe_priv *priv);
+ void (*tx_dma)(struct fe_tx_dma *txd);
+ int (*switch_init)(struct fe_priv *priv);
+ int (*switch_config)(struct fe_priv *priv);
+ void (*port_init)(struct fe_priv *priv, struct device_node *port);
+ int (*has_carrier)(struct fe_priv *priv);
+ int (*mdio_init)(struct fe_priv *priv);
+ void (*mdio_cleanup)(struct fe_priv *priv);
+ int (*mdio_write)(struct mii_bus *bus, int phy_addr, int phy_reg,
+ u16 val);
+ int (*mdio_read)(struct mii_bus *bus, int phy_addr, int phy_reg);
+ void (*mdio_adjust_link)(struct fe_priv *priv, int port);
+
+ void *swpriv;
+ u32 pdma_glo_cfg;
+ u32 rx_int;
+ u32 tx_int;
+ u32 status_int;
+ u32 checksum_bit;
+};
+
+#define FE_FLAG_PADDING_64B BIT(0)
+#define FE_FLAG_PADDING_BUG BIT(1)
+#define FE_FLAG_JUMBO_FRAME BIT(2)
+#define FE_FLAG_RX_2B_OFFSET BIT(3)
+#define FE_FLAG_RX_SG_DMA BIT(4)
+#define FE_FLAG_RX_VLAN_CTAG BIT(5)
+#define FE_FLAG_NAPI_WEIGHT BIT(6)
+#define FE_FLAG_CALIBRATE_CLK BIT(7)
+#define FE_FLAG_HAS_SWITCH BIT(8)
+
+#define FE_STAT_REG_DECLARE \
+ _FE(tx_bytes) \
+ _FE(tx_packets) \
+ _FE(tx_skip) \
+ _FE(tx_collisions) \
+ _FE(rx_bytes) \
+ _FE(rx_packets) \
+ _FE(rx_overflow) \
+ _FE(rx_fcs_errors) \
+ _FE(rx_short_errors) \
+ _FE(rx_long_errors) \
+ _FE(rx_checksum_errors) \
+ _FE(rx_flow_control_packets)
+
+struct fe_hw_stats {
+ /* make sure that stats operations are atomic */
+ spinlock_t stats_lock;
+
+ struct u64_stats_sync syncp;
+#define _FE(x) u64 x;
+ FE_STAT_REG_DECLARE
+#undef _FE
+};
+
+enum fe_tx_flags {
+ FE_TX_FLAGS_SINGLE0 = 0x01,
+ FE_TX_FLAGS_PAGE0 = 0x02,
+ FE_TX_FLAGS_PAGE1 = 0x04,
+};
+
+struct fe_tx_buf {
+ struct sk_buff *skb;
+ u32 flags;
+ DEFINE_DMA_UNMAP_ADDR(dma_addr0);
+ DEFINE_DMA_UNMAP_LEN(dma_len0);
+ DEFINE_DMA_UNMAP_ADDR(dma_addr1);
+ DEFINE_DMA_UNMAP_LEN(dma_len1);
+};
+
+struct fe_tx_ring {
+ struct fe_tx_dma *tx_dma;
+ struct fe_tx_buf *tx_buf;
+ dma_addr_t tx_phys;
+ u16 tx_ring_size;
+ u16 tx_free_idx;
+ u16 tx_next_idx;
+ u16 tx_thresh;
+};
+
+struct fe_rx_ring {
+ struct page_frag_cache frag_cache;
+ struct fe_rx_dma *rx_dma;
+ u8 **rx_data;
+ dma_addr_t rx_phys;
+ u16 rx_ring_size;
+ u16 frag_size;
+ u16 rx_buf_size;
+ u16 rx_calc_idx;
+};
+
+struct fe_priv {
+ /* make sure that register operations are atomic */
+ spinlock_t page_lock;
+
+ struct fe_soc_data *soc;
+ struct net_device *netdev;
+ struct device_node *switch_np;
+ u32 msg_enable;
+ u32 flags;
+
+ struct device *dev;
+ unsigned long sysclk;
+
+ struct fe_rx_ring rx_ring;
+ struct napi_struct rx_napi;
+
+ struct fe_tx_ring tx_ring;
+
+ struct fe_phy *phy;
+ struct mii_bus *mii_bus;
+ struct phy_device *phy_dev;
+ u32 phy_flags;
+
+ int link[8];
+
+ struct fe_hw_stats *hw_stats;
+ unsigned long vlan_map;
+ struct work_struct pending_work;
+ DECLARE_BITMAP(pending_flags, FE_FLAG_MAX);
+
+ struct reset_control *rst_ppe;
+ struct mtk_foe_entry *foe_table;
+ dma_addr_t foe_table_phys;
+ struct flow_offload __rcu **foe_flow_table;
+};
+
+extern const struct of_device_id of_fe_match[];
+
+void fe_w32(u32 val, unsigned reg);
+void fe_m32(struct fe_priv *priv, u32 clear, u32 set, unsigned reg);
+u32 fe_r32(unsigned reg);
+
+int fe_set_clock_cycle(struct fe_priv *priv);
+void fe_csum_config(struct fe_priv *priv);
+void fe_stats_update(struct fe_priv *priv);
+void fe_fwd_config(struct fe_priv *priv);
+void fe_reg_w32(u32 val, enum fe_reg reg);
+u32 fe_reg_r32(enum fe_reg reg);
+
+void fe_reset(u32 reset_bits);
+
+static inline void *priv_netdev(struct fe_priv *priv)
+{
+ return (char *)priv - ALIGN(sizeof(struct net_device), NETDEV_ALIGN);
+}
+
+int mtk_ppe_probe(struct fe_priv *eth);
+void mtk_ppe_remove(struct fe_priv *eth);
+int mtk_flow_offload(struct fe_priv *eth,
+ enum flow_offload_type type,
+ struct flow_offload *flow,
+ struct flow_offload_hw_path *src,
+ struct flow_offload_hw_path *dest);
+int mtk_offload_check_rx(struct fe_priv *eth, struct sk_buff *skb, u32 rxd4);
+
+
+#endif /* FE_ETH_H */
--- /dev/null
+/* This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Copyright (C) 2018 John Crispin <john@phrozen.org>
+ */
+
+#include "mtk_offload.h"
+
+#define INVALID 0
+#define UNBIND 1
+#define BIND 2
+#define FIN 3
+
+#define IPV4_HNAPT 0
+#define IPV4_HNAT 1
+
+static u32
+mtk_flow_hash_v4(struct flow_offload_tuple *tuple)
+{
+ u32 ports = ntohs(tuple->src_port) << 16 | ntohs(tuple->dst_port);
+ u32 src = ntohl(tuple->dst_v4.s_addr);
+ u32 dst = ntohl(tuple->src_v4.s_addr);
+ u32 hash = (ports & src) | ((~ports) & dst);
+ u32 hash_23_0 = hash & 0xffffff;
+ u32 hash_31_24 = hash & 0xff000000;
+
+ hash = ports ^ src ^ dst ^ ((hash_23_0 << 8) | (hash_31_24 >> 24));
+ hash = ((hash & 0xffff0000) >> 16 ) ^ (hash & 0xfffff);
+ hash &= 0x7ff;
+ hash *= 2;;
+
+ return hash;
+}
+
+static int
+mtk_foe_prepare_v4(struct mtk_foe_entry *entry,
+ struct flow_offload_tuple *tuple,
+ struct flow_offload_tuple *dest_tuple,
+ struct flow_offload_hw_path *src,
+ struct flow_offload_hw_path *dest)
+{
+ int is_mcast = !!is_multicast_ether_addr(dest->eth_dest);
+
+ if (tuple->l4proto == IPPROTO_UDP)
+ entry->ipv4_hnapt.bfib1.udp = 1;
+
+ entry->ipv4_hnapt.etype = htons(ETH_P_IP);
+ entry->ipv4_hnapt.bfib1.pkt_type = IPV4_HNAPT;
+ entry->ipv4_hnapt.iblk2.fqos = 0;
+ entry->ipv4_hnapt.bfib1.ttl = 1;
+ entry->ipv4_hnapt.bfib1.cah = 1;
+ entry->ipv4_hnapt.bfib1.ka = 1;
+ entry->ipv4_hnapt.iblk2.mcast = is_mcast;
+ entry->ipv4_hnapt.iblk2.dscp = 0;
+ entry->ipv4_hnapt.iblk2.port_mg = 0x3f;
+ entry->ipv4_hnapt.iblk2.port_ag = 0x1f;
+#ifdef CONFIG_NET_MEDIATEK_HW_QOS
+ entry->ipv4_hnapt.iblk2.qid = 1;
+ entry->ipv4_hnapt.iblk2.fqos = 1;
+#endif
+#ifdef CONFIG_RALINK
+ entry->ipv4_hnapt.iblk2.dp = 1;
+ if ((dest->flags & FLOW_OFFLOAD_PATH_VLAN) && (dest->vlan_id > 1))
+ entry->ipv4_hnapt.iblk2.qid += 8;
+#else
+ entry->ipv4_hnapt.iblk2.dp = (dest->dev->name[3] - '0') + 1;
+#endif
+
+ entry->ipv4_hnapt.sip = ntohl(tuple->src_v4.s_addr);
+ entry->ipv4_hnapt.dip = ntohl(tuple->dst_v4.s_addr);
+ entry->ipv4_hnapt.sport = ntohs(tuple->src_port);
+ entry->ipv4_hnapt.dport = ntohs(tuple->dst_port);
+
+ entry->ipv4_hnapt.new_sip = ntohl(dest_tuple->dst_v4.s_addr);
+ entry->ipv4_hnapt.new_dip = ntohl(dest_tuple->src_v4.s_addr);
+ entry->ipv4_hnapt.new_sport = ntohs(dest_tuple->dst_port);
+ entry->ipv4_hnapt.new_dport = ntohs(dest_tuple->src_port);
+
+ entry->bfib1.state = BIND;
+
+ if (dest->flags & FLOW_OFFLOAD_PATH_PPPOE) {
+ entry->bfib1.psn = 1;
+ entry->ipv4_hnapt.etype = htons(ETH_P_PPP_SES);
+ entry->ipv4_hnapt.pppoe_id = dest->pppoe_sid;
+ }
+
+ if (dest->flags & FLOW_OFFLOAD_PATH_VLAN) {
+ entry->ipv4_hnapt.vlan1 = dest->vlan_id;
+ entry->bfib1.vlan_layer = 1;
+
+ switch (dest->vlan_proto) {
+ case htons(ETH_P_8021Q):
+ entry->ipv4_hnapt.bfib1.vpm = 1;
+ break;
+ case htons(ETH_P_8021AD):
+ entry->ipv4_hnapt.bfib1.vpm = 2;
+ break;
+ default:
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
+static void
+mtk_foe_set_mac(struct mtk_foe_entry *entry, u8 *smac, u8 *dmac)
+{
+ entry->ipv4_hnapt.dmac_hi = swab32(*((u32*) dmac));
+ entry->ipv4_hnapt.dmac_lo = swab16(*((u16*) &dmac[4]));
+ entry->ipv4_hnapt.smac_hi = swab32(*((u32*) smac));
+ entry->ipv4_hnapt.smac_lo = swab16(*((u16*) &smac[4]));
+}
+
+static void
+mtk_foe_write(struct mtk_eth *eth, u32 hash,
+ struct mtk_foe_entry *entry)
+{
+ struct mtk_foe_entry *table = (struct mtk_foe_entry *)eth->foe_table;
+
+ memcpy(&table[hash], entry, sizeof(*entry));
+}
+
+int mtk_flow_offload(struct mtk_eth *eth,
+ enum flow_offload_type type,
+ struct flow_offload *flow,
+ struct flow_offload_hw_path *src,
+ struct flow_offload_hw_path *dest)
+{
+ struct flow_offload_tuple *otuple = &flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple;
+ struct flow_offload_tuple *rtuple = &flow->tuplehash[FLOW_OFFLOAD_DIR_REPLY].tuple;
+ u32 time_stamp = mtk_r32(eth, 0x0010) & (0x7fff);
+ u32 ohash, rhash;
+ struct mtk_foe_entry orig = {
+ .bfib1.time_stamp = time_stamp,
+ .bfib1.psn = 0,
+ };
+ struct mtk_foe_entry reply = {
+ .bfib1.time_stamp = time_stamp,
+ .bfib1.psn = 0,
+ };
+
+ if (otuple->l4proto != IPPROTO_TCP && otuple->l4proto != IPPROTO_UDP)
+ return -EINVAL;
+
+ switch (otuple->l3proto) {
+ case AF_INET:
+ if (mtk_foe_prepare_v4(&orig, otuple, rtuple, src, dest) ||
+ mtk_foe_prepare_v4(&reply, rtuple, otuple, dest, src))
+ return -EINVAL;
+
+ ohash = mtk_flow_hash_v4(otuple);
+ rhash = mtk_flow_hash_v4(rtuple);
+ break;
+
+ case AF_INET6:
+ return -EINVAL;
+
+ default:
+ return -EINVAL;
+ }
+
+ if (type == FLOW_OFFLOAD_DEL) {
+ orig.bfib1.state = INVALID;
+ reply.bfib1.state = INVALID;
+ flow = NULL;
+ goto write;
+ }
+
+ mtk_foe_set_mac(&orig, dest->eth_src, dest->eth_dest);
+ mtk_foe_set_mac(&reply, src->eth_src, src->eth_dest);
+
+write:
+ mtk_foe_write(eth, ohash, &orig);
+ mtk_foe_write(eth, rhash, &reply);
+ rcu_assign_pointer(eth->foe_flow_table[ohash], flow);
+ rcu_assign_pointer(eth->foe_flow_table[rhash], flow);
+
+ if (type == FLOW_OFFLOAD_DEL)
+ synchronize_rcu();
+
+ return 0;
+}
+
+#ifdef CONFIG_NET_MEDIATEK_HW_QOS
+
+#define QDMA_TX_SCH_TX 0x1a14
+
+static void mtk_ppe_scheduler(struct mtk_eth *eth, int id, u32 rate)
+{
+ int exp = 0, shift = 0;
+ u32 reg = mtk_r32(eth, QDMA_TX_SCH_TX);
+ u32 val = 0;
+
+ if (rate)
+ val = BIT(11);
+
+ while (rate > 127) {
+ rate /= 10;
+ exp++;
+ }
+
+ val |= (rate & 0x7f) << 4;
+ val |= exp & 0xf;
+ if (id)
+ shift = 16;
+ reg &= ~(0xffff << shift);
+ reg |= val << shift;
+ mtk_w32(eth, val, QDMA_TX_SCH_TX);
+}
+
+#define QTX_CFG(x) (0x1800 + (x * 0x10))
+#define QTX_SCH(x) (0x1804 + (x * 0x10))
+
+static void mtk_ppe_queue(struct mtk_eth *eth, int id, int sched, int weight, int resv, u32 min_rate, u32 max_rate)
+{
+ int max_exp = 0, min_exp = 0;
+ u32 reg;
+
+ if (id >= 16)
+ return;
+
+ reg = mtk_r32(eth, QTX_SCH(id));
+ reg &= 0x70000000;
+
+ if (sched)
+ reg |= BIT(31);
+
+ if (min_rate)
+ reg |= BIT(27);
+
+ if (max_rate)
+ reg |= BIT(11);
+
+ while (max_rate > 127) {
+ max_rate /= 10;
+ max_exp++;
+ }
+
+ while (min_rate > 127) {
+ min_rate /= 10;
+ min_exp++;
+ }
+
+ reg |= (min_rate & 0x7f) << 20;
+ reg |= (min_exp & 0xf) << 16;
+ reg |= (weight & 0xf) << 12;
+ reg |= (max_rate & 0x7f) << 4;
+ reg |= max_exp & 0xf;
+ mtk_w32(eth, reg, QTX_SCH(id));
+
+ resv &= 0xff;
+ reg = mtk_r32(eth, QTX_CFG(id));
+ reg &= 0xffff0000;
+ reg |= (resv << 8) | resv;
+ mtk_w32(eth, reg, QTX_CFG(id));
+}
+#endif
+
+static int mtk_init_foe_table(struct mtk_eth *eth)
+{
+ if (eth->foe_table)
+ return 0;
+
+ eth->foe_flow_table = devm_kcalloc(eth->dev, MTK_PPE_ENTRY_CNT,
+ sizeof(*eth->foe_flow_table),
+ GFP_KERNEL);
+ if (!eth->foe_flow_table)
+ return -EINVAL;
+
+ /* map the FOE table */
+ eth->foe_table = dmam_alloc_coherent(eth->dev, MTK_PPE_TBL_SZ,
+ ð->foe_table_phys, GFP_KERNEL);
+ if (!eth->foe_table) {
+ dev_err(eth->dev, "failed to allocate foe table\n");
+ kfree(eth->foe_flow_table);
+ return -ENOMEM;
+ }
+
+
+ return 0;
+}
+
+static int mtk_ppe_start(struct mtk_eth *eth)
+{
+ int ret;
+
+ ret = mtk_init_foe_table(eth);
+ if (ret)
+ return ret;
+
+ /* tell the PPE about the tables base address */
+ mtk_w32(eth, eth->foe_table_phys, MTK_REG_PPE_TB_BASE);
+
+ /* flush the table */
+ memset(eth->foe_table, 0, MTK_PPE_TBL_SZ);
+
+ /* setup hashing */
+ mtk_m32(eth,
+ MTK_PPE_TB_CFG_HASH_MODE_MASK | MTK_PPE_TB_CFG_TBL_SZ_MASK,
+ MTK_PPE_TB_CFG_HASH_MODE1 | MTK_PPE_TB_CFG_TBL_SZ_4K,
+ MTK_REG_PPE_TB_CFG);
+
+ /* set the default hashing seed */
+ mtk_w32(eth, MTK_PPE_HASH_SEED, MTK_REG_PPE_HASH_SEED);
+
+ /* each foe entry is 64bytes and is setup by cpu forwarding*/
+ mtk_m32(eth, MTK_PPE_CAH_CTRL_X_MODE | MTK_PPE_TB_CFG_ENTRY_SZ_MASK |
+ MTK_PPE_TB_CFG_SMA_MASK,
+ MTK_PPE_TB_CFG_ENTRY_SZ_64B | MTK_PPE_TB_CFG_SMA_FWD_CPU,
+ MTK_REG_PPE_TB_CFG);
+
+ /* set ip proto */
+ mtk_w32(eth, 0xFFFFFFFF, MTK_REG_PPE_IP_PROT_CHK);
+
+ /* setup caching */
+ mtk_m32(eth, 0, MTK_PPE_CAH_CTRL_X_MODE, MTK_REG_PPE_CAH_CTRL);
+ mtk_m32(eth, MTK_PPE_CAH_CTRL_X_MODE, MTK_PPE_CAH_CTRL_EN,
+ MTK_REG_PPE_CAH_CTRL);
+
+ /* enable FOE */
+ mtk_m32(eth, 0, MTK_PPE_FLOW_CFG_IPV4_NAT_FRAG_EN |
+ MTK_PPE_FLOW_CFG_IPV4_NAPT_EN | MTK_PPE_FLOW_CFG_IPV4_NAT_EN |
+ MTK_PPE_FLOW_CFG_IPV4_GREK_EN,
+ MTK_REG_PPE_FLOW_CFG);
+
+ /* setup flow entry un/bind aging */
+ mtk_m32(eth, 0,
+ MTK_PPE_TB_CFG_UNBD_AGE | MTK_PPE_TB_CFG_NTU_AGE |
+ MTK_PPE_TB_CFG_FIN_AGE | MTK_PPE_TB_CFG_UDP_AGE |
+ MTK_PPE_TB_CFG_TCP_AGE,
+ MTK_REG_PPE_TB_CFG);
+
+ mtk_m32(eth, MTK_PPE_UNB_AGE_MNP_MASK | MTK_PPE_UNB_AGE_DLTA_MASK,
+ MTK_PPE_UNB_AGE_MNP | MTK_PPE_UNB_AGE_DLTA,
+ MTK_REG_PPE_UNB_AGE);
+ mtk_m32(eth, MTK_PPE_BND_AGE0_NTU_DLTA_MASK |
+ MTK_PPE_BND_AGE0_UDP_DLTA_MASK,
+ MTK_PPE_BND_AGE0_NTU_DLTA | MTK_PPE_BND_AGE0_UDP_DLTA,
+ MTK_REG_PPE_BND_AGE0);
+ mtk_m32(eth, MTK_PPE_BND_AGE1_FIN_DLTA_MASK |
+ MTK_PPE_BND_AGE1_TCP_DLTA_MASK,
+ MTK_PPE_BND_AGE1_FIN_DLTA | MTK_PPE_BND_AGE1_TCP_DLTA,
+ MTK_REG_PPE_BND_AGE1);
+
+ /* setup flow entry keep alive */
+ mtk_m32(eth, MTK_PPE_TB_CFG_KA_MASK, MTK_PPE_TB_CFG_KA,
+ MTK_REG_PPE_TB_CFG);
+ mtk_w32(eth, MTK_PPE_KA_UDP | MTK_PPE_KA_TCP | MTK_PPE_KA_T, MTK_REG_PPE_KA);
+
+ /* setup flow entry rate limit */
+ mtk_w32(eth, (0x3fff << 16) | 0x3fff, MTK_REG_PPE_BIND_LMT_0);
+ mtk_w32(eth, MTK_PPE_NTU_KA | 0x3fff, MTK_REG_PPE_BIND_LMT_1);
+ mtk_m32(eth, MTK_PPE_BNDR_RATE_MASK, 1, MTK_REG_PPE_BNDR);
+
+ /* enable the PPE */
+ mtk_m32(eth, 0, MTK_PPE_GLO_CFG_EN, MTK_REG_PPE_GLO_CFG);
+
+#ifdef CONFIG_RALINK
+ /* set the default forwarding port to QDMA */
+ mtk_w32(eth, 0x0, MTK_REG_PPE_DFT_CPORT);
+#else
+ /* set the default forwarding port to QDMA */
+ mtk_w32(eth, 0x55555555, MTK_REG_PPE_DFT_CPORT);
+#endif
+
+ /* drop packets with TTL=0 */
+ mtk_m32(eth, 0, MTK_PPE_GLO_CFG_TTL0_DROP, MTK_REG_PPE_GLO_CFG);
+
+ /* send all traffic from gmac to the ppe */
+ mtk_m32(eth, 0xffff, 0x4444, MTK_GDMA_FWD_CFG(0));
+ mtk_m32(eth, 0xffff, 0x4444, MTK_GDMA_FWD_CFG(1));
+
+ dev_info(eth->dev, "PPE started\n");
+
+#ifdef CONFIG_NET_MEDIATEK_HW_QOS
+ mtk_ppe_scheduler(eth, 0, 500000);
+ mtk_ppe_scheduler(eth, 1, 500000);
+ mtk_ppe_queue(eth, 0, 0, 7, 32, 250000, 0);
+ mtk_ppe_queue(eth, 1, 0, 7, 32, 250000, 0);
+ mtk_ppe_queue(eth, 8, 1, 7, 32, 250000, 0);
+ mtk_ppe_queue(eth, 9, 1, 7, 32, 250000, 0);
+#endif
+
+ return 0;
+}
+
+static int mtk_ppe_busy_wait(struct mtk_eth *eth)
+{
+ unsigned long t_start = jiffies;
+ u32 r = 0;
+
+ while (1) {
+ r = mtk_r32(eth, MTK_REG_PPE_GLO_CFG);
+ if (!(r & MTK_PPE_GLO_CFG_BUSY))
+ return 0;
+ if (time_after(jiffies, t_start + HZ))
+ break;
+ usleep_range(10, 20);
+ }
+
+ dev_err(eth->dev, "ppe: table busy timeout - resetting\n");
+ reset_control_reset(eth->rst_ppe);
+
+ return -ETIMEDOUT;
+}
+
+static int mtk_ppe_stop(struct mtk_eth *eth)
+{
+ u32 r1 = 0, r2 = 0;
+ int i;
+
+ /* discard all traffic while we disable the PPE */
+ mtk_m32(eth, 0xffff, 0x7777, MTK_GDMA_FWD_CFG(0));
+ mtk_m32(eth, 0xffff, 0x7777, MTK_GDMA_FWD_CFG(1));
+
+ if (mtk_ppe_busy_wait(eth))
+ return -ETIMEDOUT;
+
+ /* invalidate all flow table entries */
+ for (i = 0; i < MTK_PPE_ENTRY_CNT; i++)
+ eth->foe_table[i].bfib1.state = FOE_STATE_INVALID;
+
+ /* disable caching */
+ mtk_m32(eth, 0, MTK_PPE_CAH_CTRL_X_MODE, MTK_REG_PPE_CAH_CTRL);
+ mtk_m32(eth, MTK_PPE_CAH_CTRL_X_MODE | MTK_PPE_CAH_CTRL_EN, 0,
+ MTK_REG_PPE_CAH_CTRL);
+
+ /* flush cache has to be ahead of hnat diable --*/
+ mtk_m32(eth, MTK_PPE_GLO_CFG_EN, 0, MTK_REG_PPE_GLO_CFG);
+
+ /* disable FOE */
+ mtk_m32(eth,
+ MTK_PPE_FLOW_CFG_IPV4_NAT_FRAG_EN |
+ MTK_PPE_FLOW_CFG_IPV4_NAPT_EN | MTK_PPE_FLOW_CFG_IPV4_NAT_EN |
+ MTK_PPE_FLOW_CFG_FUC_FOE | MTK_PPE_FLOW_CFG_FMC_FOE,
+ 0, MTK_REG_PPE_FLOW_CFG);
+
+ /* disable FOE aging */
+ mtk_m32(eth, 0,
+ MTK_PPE_TB_CFG_FIN_AGE | MTK_PPE_TB_CFG_UDP_AGE |
+ MTK_PPE_TB_CFG_TCP_AGE | MTK_PPE_TB_CFG_UNBD_AGE |
+ MTK_PPE_TB_CFG_NTU_AGE, MTK_REG_PPE_TB_CFG);
+
+ r1 = mtk_r32(eth, 0x100);
+ r2 = mtk_r32(eth, 0x10c);
+
+ dev_info(eth->dev, "0x100 = 0x%x, 0x10c = 0x%x\n", r1, r2);
+
+ if (((r1 & 0xff00) >> 0x8) >= (r1 & 0xff) ||
+ ((r1 & 0xff00) >> 0x8) >= (r2 & 0xff)) {
+ dev_info(eth->dev, "reset pse\n");
+ mtk_w32(eth, 0x1, 0x4);
+ }
+
+ /* set the foe entry base address to 0 */
+ mtk_w32(eth, 0, MTK_REG_PPE_TB_BASE);
+
+ if (mtk_ppe_busy_wait(eth))
+ return -ETIMEDOUT;
+
+ /* send all traffic back to the DMA engine */
+#ifdef CONFIG_RALINK
+ mtk_m32(eth, 0xffff, 0x0, MTK_GDMA_FWD_CFG(0));
+ mtk_m32(eth, 0xffff, 0x0, MTK_GDMA_FWD_CFG(1));
+#else
+ mtk_m32(eth, 0xffff, 0x5555, MTK_GDMA_FWD_CFG(0));
+ mtk_m32(eth, 0xffff, 0x5555, MTK_GDMA_FWD_CFG(1));
+#endif
+ return 0;
+}
+
+static void mtk_offload_keepalive(struct fe_priv *eth, unsigned int hash)
+{
+ struct flow_offload *flow;
+
+ rcu_read_lock();
+ flow = rcu_dereference(eth->foe_flow_table[hash]);
+ if (flow)
+ flow->timeout = jiffies + 30 * HZ;
+ rcu_read_unlock();
+}
+
+int mtk_offload_check_rx(struct fe_priv *eth, struct sk_buff *skb, u32 rxd4)
+{
+ unsigned int hash;
+
+ switch (FIELD_GET(MTK_RXD4_CPU_REASON, rxd4)) {
+ case MTK_CPU_REASON_KEEPALIVE_UC_OLD_HDR:
+ case MTK_CPU_REASON_KEEPALIVE_MC_NEW_HDR:
+ case MTK_CPU_REASON_KEEPALIVE_DUP_OLD_HDR:
+ hash = FIELD_GET(MTK_RXD4_FOE_ENTRY, rxd4);
+ mtk_offload_keepalive(eth, hash);
+ return -1;
+ case MTK_CPU_REASON_PACKET_SAMPLING:
+ return -1;
+ default:
+ return 0;
+ }
+}
+
+int mtk_ppe_probe(struct mtk_eth *eth)
+{
+ int err;
+
+ err = mtk_ppe_start(eth);
+ if (err)
+ return err;
+
+ err = mtk_ppe_debugfs_init(eth);
+ if (err)
+ return err;
+
+ return 0;
+}
+
+void mtk_ppe_remove(struct mtk_eth *eth)
+{
+ mtk_ppe_stop(eth);
+}
--- /dev/null
+/* This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Copyright (C) 2014-2016 Sean Wang <sean.wang@mediatek.com>
+ * Copyright (C) 2016-2017 John Crispin <blogic@openwrt.org>
+ */
+
+#include <linux/dma-mapping.h>
+#include <linux/delay.h>
+#include <linux/if.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/reset.h>
+#include <linux/netfilter.h>
+#include <linux/netdevice.h>
+#include <net/netfilter/nf_flow_table.h>
+#include <linux/debugfs.h>
+#include <linux/etherdevice.h>
+#include <linux/bitfield.h>
+
+#include "mtk_eth_soc.h"
+
+#ifdef CONFIG_RALINK
+/* ramips compat */
+#define mtk_eth fe_priv
+#define MTK_GDMA_FWD_CFG(x) (0x500 + (x * 0x1000))
+#define mtk_m32 fe_m32
+
+static inline u32
+mtk_r32(struct mtk_eth *eth, u32 reg)
+{
+ return fe_r32(reg);
+}
+
+static inline void
+mtk_w32(struct mtk_eth *eth, u32 val, u32 reg)
+{
+ fe_w32(val, reg);
+}
+#endif
+
+#define MTK_REG_PPE_GLO_CFG 0xe00
+#define MTK_PPE_GLO_CFG_BUSY BIT(31)
+#define MTK_PPE_GLO_CFG_TTL0_DROP BIT(4)
+#define MTK_PPE_GLO_CFG_EN BIT(0)
+
+#define MTK_REG_PPE_FLOW_CFG 0xe04
+#define MTK_PPE_FLOW_CFG_IPV4_GREK_EN BIT(19)
+#define MTK_PPE_FLOW_CFG_IPV4_NAT_FRAG_EN BIT(17)
+#define MTK_PPE_FLOW_CFG_IPV4_NAPT_EN BIT(13)
+#define MTK_PPE_FLOW_CFG_IPV4_NAT_EN BIT(12)
+#define MTK_PPE_FLOW_CFG_FUC_FOE BIT(2)
+#define MTK_PPE_FLOW_CFG_FMC_FOE BIT(1)
+
+#define MTK_REG_PPE_IP_PROT_CHK 0xe08
+
+#define MTK_REG_PPE_TB_BASE 0xe20
+
+#define MTK_REG_PPE_BNDR 0xe28
+#define MTK_PPE_BNDR_RATE_MASK 0xffff
+
+#define MTK_REG_PPE_BIND_LMT_0 0xe2C
+
+#define MTK_REG_PPE_BIND_LMT_1 0xe30
+#define MTK_PPE_NTU_KA BIT(16)
+
+#define MTK_REG_PPE_KA 0xe34
+#define MTK_PPE_KA_T BIT(0)
+#define MTK_PPE_KA_TCP BIT(16)
+#define MTK_PPE_KA_UDP BIT(24)
+
+#define MTK_REG_PPE_UNB_AGE 0xe38
+#define MTK_PPE_UNB_AGE_MNP_MASK (0xffff << 16)
+#define MTK_PPE_UNB_AGE_MNP (1000 << 16)
+#define MTK_PPE_UNB_AGE_DLTA_MASK 0xff
+#define MTK_PPE_UNB_AGE_DLTA 3
+
+#define MTK_REG_PPE_BND_AGE0 0xe3c
+#define MTK_PPE_BND_AGE0_NTU_DLTA_MASK (0xffff << 16)
+#define MTK_PPE_BND_AGE0_NTU_DLTA (5 << 16)
+#define MTK_PPE_BND_AGE0_UDP_DLTA_MASK 0xffff
+#define MTK_PPE_BND_AGE0_UDP_DLTA 5
+
+#define MTK_REG_PPE_BND_AGE1 0xe40
+#define MTK_PPE_BND_AGE1_FIN_DLTA_MASK (0xffff << 16)
+#define MTK_PPE_BND_AGE1_FIN_DLTA (5 << 16)
+#define MTK_PPE_BND_AGE1_TCP_DLTA_MASK 0xffff
+#define MTK_PPE_BND_AGE1_TCP_DLTA 5
+
+#define MTK_REG_PPE_DFT_CPORT 0xe48
+
+#define MTK_REG_PPE_TB_CFG 0xe1c
+#define MTK_PPE_TB_CFG_X_MODE_MASK (3 << 18)
+#define MTK_PPE_TB_CFG_HASH_MODE1 BIT(14)
+#define MTK_PPE_TB_CFG_HASH_MODE_MASK (0x3 << 14)
+#define MTK_PPE_TB_CFG_KA (3 << 12)
+#define MTK_PPE_TB_CFG_KA_MASK (0x3 << 12)
+#define MTK_PPE_TB_CFG_FIN_AGE BIT(11)
+#define MTK_PPE_TB_CFG_UDP_AGE BIT(10)
+#define MTK_PPE_TB_CFG_TCP_AGE BIT(9)
+#define MTK_PPE_TB_CFG_UNBD_AGE BIT(8)
+#define MTK_PPE_TB_CFG_NTU_AGE BIT(7)
+#define MTK_PPE_TB_CFG_SMA_FWD_CPU (0x3 << 4)
+#define MTK_PPE_TB_CFG_SMA_MASK (0x3 << 4)
+#define MTK_PPE_TB_CFG_ENTRY_SZ_64B 0
+#define MTK_PPE_TB_CFG_ENTRY_SZ_MASK BIT(3)
+#define MTK_PPE_TB_CFG_TBL_SZ_4K 2
+#define MTK_PPE_TB_CFG_TBL_SZ_MASK 0x7
+
+#define MTK_REG_PPE_HASH_SEED 0xe44
+#define MTK_PPE_HASH_SEED 0x12345678
+
+
+#define MTK_REG_PPE_CAH_CTRL 0xf20
+#define MTK_PPE_CAH_CTRL_X_MODE BIT(9)
+#define MTK_PPE_CAH_CTRL_EN BIT(0)
+
+struct mtk_foe_unbind_info_blk {
+ u32 time_stamp:8;
+ u32 pcnt:16; /* packet count */
+ u32 preb:1;
+ u32 pkt_type:3;
+ u32 state:2;
+ u32 udp:1;
+ u32 sta:1; /* static entry */
+} __attribute__ ((packed));
+
+struct mtk_foe_bind_info_blk {
+ u32 time_stamp:15;
+ u32 ka:1; /* keep alive */
+ u32 vlan_layer:3;
+ u32 psn:1; /* egress packet has PPPoE session */
+#ifdef CONFIG_RALINK
+ u32 vpm:2; /* 0:ethertype remark, 1:0x8100(CR default) */
+#else
+ u32 vpm:1; /* 0:ethertype remark, 1:0x8100(CR default) */
+ u32 ps:1; /* packet sampling */
+#endif
+ u32 cah:1; /* cacheable flag */
+ u32 rmt:1; /* remove tunnel ip header (6rd/dslite only) */
+ u32 ttl:1;
+ u32 pkt_type:3;
+ u32 state:2;
+ u32 udp:1;
+ u32 sta:1; /* static entry */
+} __attribute__ ((packed));
+
+struct mtk_foe_info_blk2 {
+ u32 qid:4; /* QID in Qos Port */
+ u32 fqos:1; /* force to PSE QoS port */
+ u32 dp:3; /* force to PSE port x
+ 0:PSE,1:GSW, 2:GMAC,4:PPE,5:QDMA,7=DROP */
+ u32 mcast:1; /* multicast this packet to CPU */
+ u32 pcpl:1; /* OSBN */
+ u32 mlen:1; /* 0:post 1:pre packet length in meter */
+ u32 alen:1; /* 0:post 1:pre packet length in accounting */
+ u32 port_mg:6; /* port meter group */
+ u32 port_ag:6; /* port account group */
+ u32 dscp:8; /* DSCP value */
+} __attribute__ ((packed));
+
+struct mtk_foe_ipv4_hnapt {
+ union {
+ struct mtk_foe_bind_info_blk bfib1;
+ struct mtk_foe_unbind_info_blk udib1;
+ u32 info_blk1;
+ };
+ u32 sip;
+ u32 dip;
+ u16 dport;
+ u16 sport;
+ union {
+ struct mtk_foe_info_blk2 iblk2;
+ u32 info_blk2;
+ };
+ u32 new_sip;
+ u32 new_dip;
+ u16 new_dport;
+ u16 new_sport;
+ u32 resv1;
+ u32 resv2;
+ u32 resv3:26;
+ u32 act_dp:6; /* UDF */
+ u16 vlan1;
+ u16 etype;
+ u32 dmac_hi;
+ u16 vlan2;
+ u16 dmac_lo;
+ u32 smac_hi;
+ u16 pppoe_id;
+ u16 smac_lo;
+} __attribute__ ((packed));
+
+struct mtk_foe_entry {
+ union {
+ struct mtk_foe_unbind_info_blk udib1;
+ struct mtk_foe_bind_info_blk bfib1;
+ struct mtk_foe_ipv4_hnapt ipv4_hnapt;
+ };
+};
+
+enum mtk_foe_entry_state {
+ FOE_STATE_INVALID = 0,
+ FOE_STATE_UNBIND = 1,
+ FOE_STATE_BIND = 2,
+ FOE_STATE_FIN = 3
+};
+
+
+#define MTK_RXD4_FOE_ENTRY GENMASK(13, 0)
+#define MTK_RXD4_CPU_REASON GENMASK(18, 14)
+#define MTK_RXD4_SRC_PORT GENMASK(21, 19)
+#define MTK_RXD4_ALG GENMASK(31, 22)
+
+enum mtk_foe_cpu_reason {
+ MTK_CPU_REASON_TTL_EXCEEDED = 0x02,
+ MTK_CPU_REASON_OPTION_HEADER = 0x03,
+ MTK_CPU_REASON_NO_FLOW = 0x07,
+ MTK_CPU_REASON_IPV4_FRAG = 0x08,
+ MTK_CPU_REASON_IPV4_DSLITE_FRAG = 0x09,
+ MTK_CPU_REASON_IPV4_DSLITE_NO_TCP_UDP = 0x0a,
+ MTK_CPU_REASON_IPV6_6RD_NO_TCP_UDP = 0x0b,
+ MTK_CPU_REASON_TCP_FIN_SYN_RST = 0x0c,
+ MTK_CPU_REASON_UN_HIT = 0x0d,
+ MTK_CPU_REASON_HIT_UNBIND = 0x0e,
+ MTK_CPU_REASON_HIT_UNBIND_RATE_REACHED = 0x0f,
+ MTK_CPU_REASON_HIT_BIND_TCP_FIN = 0x10,
+ MTK_CPU_REASON_HIT_TTL_1 = 0x11,
+ MTK_CPU_REASON_HIT_BIND_VLAN_VIOLATION = 0x12,
+ MTK_CPU_REASON_KEEPALIVE_UC_OLD_HDR = 0x13,
+ MTK_CPU_REASON_KEEPALIVE_MC_NEW_HDR = 0x14,
+ MTK_CPU_REASON_KEEPALIVE_DUP_OLD_HDR = 0x15,
+ MTK_CPU_REASON_HIT_BIND_FORCE_CPU = 0x16,
+ MTK_CPU_REASON_TUNNEL_OPTION_HEADER = 0x17,
+ MTK_CPU_REASON_MULTICAST_TO_CPU = 0x18,
+ MTK_CPU_REASON_MULTICAST_TO_GMAC1_CPU = 0x19,
+ MTK_CPU_REASON_HIT_PRE_BIND = 0x1a,
+ MTK_CPU_REASON_PACKET_SAMPLING = 0x1b,
+ MTK_CPU_REASON_EXCEED_MTU = 0x1c,
+ MTK_CPU_REASON_PPE_BYPASS = 0x1e,
+ MTK_CPU_REASON_INVALID = 0x1f,
+};
+
+
+/* our table size is 4K */
+#define MTK_PPE_ENTRY_CNT 0x1000
+#define MTK_PPE_TBL_SZ \
+ (MTK_PPE_ENTRY_CNT * sizeof(struct mtk_foe_entry))
+
+int mtk_ppe_debugfs_init(struct mtk_eth *eth);
+
+
--- /dev/null
+/* This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/if_vlan.h>
+#include <linux/of_net.h>
+
+#include <asm/mach-ralink/ralink_regs.h>
+
+#include <mt7620.h>
+#include "mtk_eth_soc.h"
+#include "gsw_mt7620.h"
+#include "mt7530.h"
+#include "mdio.h"
+
+#define MT7620A_CDMA_CSG_CFG 0x400
+#define MT7620_DMA_VID (MT7620A_CDMA_CSG_CFG | 0x30)
+#define MT7621_CDMP_IG_CTRL (MT7620A_CDMA_CSG_CFG + 0x00)
+#define MT7621_CDMP_EG_CTRL (MT7620A_CDMA_CSG_CFG + 0x04)
+#define MT7620A_RESET_FE BIT(21)
+#define MT7621_RESET_FE BIT(6)
+#define MT7620A_RESET_ESW BIT(23)
+#define MT7620_L4_VALID BIT(23)
+#define MT7621_L4_VALID BIT(24)
+
+#define MT7620_TX_DMA_UDF BIT(15)
+#define MT7621_TX_DMA_UDF BIT(19)
+#define TX_DMA_FP_BMAP ((0xff) << 19)
+
+#define CDMA_ICS_EN BIT(2)
+#define CDMA_UCS_EN BIT(1)
+#define CDMA_TCS_EN BIT(0)
+
+#define GDMA_ICS_EN BIT(22)
+#define GDMA_TCS_EN BIT(21)
+#define GDMA_UCS_EN BIT(20)
+
+/* frame engine counters */
+#define MT7620_REG_MIB_OFFSET 0x1000
+#define MT7620_PPE_AC_BCNT0 (MT7620_REG_MIB_OFFSET + 0x00)
+#define MT7620_GDM1_TX_GBCNT (MT7620_REG_MIB_OFFSET + 0x300)
+#define MT7620_GDM2_TX_GBCNT (MT7620_GDM1_TX_GBCNT + 0x40)
+
+#define MT7621_REG_MIB_OFFSET 0x2000
+#define MT7621_PPE_AC_BCNT0 (MT7621_REG_MIB_OFFSET + 0x00)
+#define MT7621_GDM1_TX_GBCNT (MT7621_REG_MIB_OFFSET + 0x400)
+#define MT7621_GDM2_TX_GBCNT (MT7621_GDM1_TX_GBCNT + 0x40)
+
+#define GSW_REG_GDMA1_MAC_ADRL 0x508
+#define GSW_REG_GDMA1_MAC_ADRH 0x50C
+
+#define MT7621_FE_RST_GL (FE_FE_OFFSET + 0x04)
+#define MT7620_FE_INT_STATUS2 (FE_FE_OFFSET + 0x08)
+
+/* FE_INT_STATUS reg on mt7620 define CNT_GDM1_AF at BIT(29)
+ * but after test it should be BIT(13).
+ */
+#define MT7620_FE_GDM1_AF BIT(13)
+#define MT7621_FE_GDM1_AF BIT(28)
+#define MT7621_FE_GDM2_AF BIT(29)
+
+static const u16 mt7620_reg_table[FE_REG_COUNT] = {
+ [FE_REG_PDMA_GLO_CFG] = RT5350_PDMA_GLO_CFG,
+ [FE_REG_PDMA_RST_CFG] = RT5350_PDMA_RST_CFG,
+ [FE_REG_DLY_INT_CFG] = RT5350_DLY_INT_CFG,
+ [FE_REG_TX_BASE_PTR0] = RT5350_TX_BASE_PTR0,
+ [FE_REG_TX_MAX_CNT0] = RT5350_TX_MAX_CNT0,
+ [FE_REG_TX_CTX_IDX0] = RT5350_TX_CTX_IDX0,
+ [FE_REG_TX_DTX_IDX0] = RT5350_TX_DTX_IDX0,
+ [FE_REG_RX_BASE_PTR0] = RT5350_RX_BASE_PTR0,
+ [FE_REG_RX_MAX_CNT0] = RT5350_RX_MAX_CNT0,
+ [FE_REG_RX_CALC_IDX0] = RT5350_RX_CALC_IDX0,
+ [FE_REG_RX_DRX_IDX0] = RT5350_RX_DRX_IDX0,
+ [FE_REG_FE_INT_ENABLE] = RT5350_FE_INT_ENABLE,
+ [FE_REG_FE_INT_STATUS] = RT5350_FE_INT_STATUS,
+ [FE_REG_FE_DMA_VID_BASE] = MT7620_DMA_VID,
+ [FE_REG_FE_COUNTER_BASE] = MT7620_GDM1_TX_GBCNT,
+ [FE_REG_FE_RST_GL] = MT7621_FE_RST_GL,
+ [FE_REG_FE_INT_STATUS2] = MT7620_FE_INT_STATUS2,
+};
+
+static int mt7620_gsw_config(struct fe_priv *priv)
+{
+ struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv;
+
+ /* is the mt7530 internal or external */
+ if (priv->mii_bus && mdiobus_get_phy(priv->mii_bus, 0x1f)) {
+ mt7530_probe(priv->dev, gsw->base, NULL, 0);
+ mt7530_probe(priv->dev, NULL, priv->mii_bus, 1);
+ } else {
+ mt7530_probe(priv->dev, gsw->base, NULL, 1);
+ }
+
+ return 0;
+}
+
+static void mt7620_set_mac(struct fe_priv *priv, unsigned char *mac)
+{
+ struct mt7620_gsw *gsw = (struct mt7620_gsw *)priv->soc->swpriv;
+ unsigned long flags;
+
+ spin_lock_irqsave(&priv->page_lock, flags);
+ mtk_switch_w32(gsw, (mac[0] << 8) | mac[1], GSW_REG_SMACCR1);
+ mtk_switch_w32(gsw, (mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5],
+ GSW_REG_SMACCR0);
+ spin_unlock_irqrestore(&priv->page_lock, flags);
+}
+
+static void mt7620_auto_poll(struct mt7620_gsw *gsw)
+{
+ int phy;
+ int lsb = -1, msb = 0;
+
+ for_each_set_bit(phy, &gsw->autopoll, 32) {
+ if (lsb < 0)
+ lsb = phy;
+ msb = phy;
+ }
+
+ if (lsb == msb)
+ lsb--;
+
+ mtk_switch_w32(gsw, PHY_AN_EN | PHY_PRE_EN | PMY_MDC_CONF(5) |
+ (msb << 8) | lsb, ESW_PHY_POLLING);
+}
+
+static void mt7620_port_init(struct fe_priv *priv, struct device_node *np)
+{
+ struct mt7620_gsw *gsw = (struct mt7620_gsw *)priv->soc->swpriv;
+ const __be32 *_id = of_get_property(np, "reg", NULL);
+ int phy_mode, size, id;
+ int shift = 12;
+ u32 val, mask = 0;
+ int min = (gsw->port4 == PORT4_EPHY) ? (5) : (4);
+
+ if (!_id || (be32_to_cpu(*_id) < min) || (be32_to_cpu(*_id) > 5)) {
+ if (_id)
+ pr_err("%s: invalid port id %d\n", np->name,
+ be32_to_cpu(*_id));
+ else
+ pr_err("%s: invalid port id\n", np->name);
+ return;
+ }
+
+ id = be32_to_cpu(*_id);
+
+ if (id == 4)
+ shift = 14;
+
+ priv->phy->phy_fixed[id] = of_get_property(np, "mediatek,fixed-link",
+ &size);
+ if (priv->phy->phy_fixed[id] &&
+ (size != (4 * sizeof(*priv->phy->phy_fixed[id])))) {
+ pr_err("%s: invalid fixed link property\n", np->name);
+ priv->phy->phy_fixed[id] = NULL;
+ return;
+ }
+
+ phy_mode = of_get_phy_mode(np);
+ switch (phy_mode) {
+ case PHY_INTERFACE_MODE_RGMII:
+ mask = 0;
+ break;
+ case PHY_INTERFACE_MODE_MII:
+ mask = 1;
+ break;
+ case PHY_INTERFACE_MODE_RMII:
+ mask = 2;
+ break;
+ default:
+ dev_err(priv->dev, "port %d - invalid phy mode\n", id);
+ return;
+ }
+
+ priv->phy->phy_node[id] = of_parse_phandle(np, "phy-handle", 0);
+ if (!priv->phy->phy_node[id] && !priv->phy->phy_fixed[id])
+ return;
+
+ val = rt_sysc_r32(SYSC_REG_CFG1);
+ val &= ~(3 << shift);
+ val |= mask << shift;
+ rt_sysc_w32(val, SYSC_REG_CFG1);
+
+ if (priv->phy->phy_fixed[id]) {
+ const __be32 *link = priv->phy->phy_fixed[id];
+ int tx_fc, rx_fc;
+ u32 val = 0;
+
+ priv->phy->speed[id] = be32_to_cpup(link++);
+ tx_fc = be32_to_cpup(link++);
+ rx_fc = be32_to_cpup(link++);
+ priv->phy->duplex[id] = be32_to_cpup(link++);
+ priv->link[id] = 1;
+
+ switch (priv->phy->speed[id]) {
+ case SPEED_10:
+ val = 0;
+ break;
+ case SPEED_100:
+ val = 1;
+ break;
+ case SPEED_1000:
+ val = 2;
+ break;
+ default:
+ dev_err(priv->dev, "invalid link speed: %d\n",
+ priv->phy->speed[id]);
+ priv->phy->phy_fixed[id] = 0;
+ return;
+ }
+ val = PMCR_SPEED(val);
+ val |= PMCR_LINK | PMCR_BACKPRES | PMCR_BACKOFF | PMCR_RX_EN |
+ PMCR_TX_EN | PMCR_FORCE | PMCR_MAC_MODE | PMCR_IPG;
+ if (tx_fc)
+ val |= PMCR_TX_FC;
+ if (rx_fc)
+ val |= PMCR_RX_FC;
+ if (priv->phy->duplex[id])
+ val |= PMCR_DUPLEX;
+ mtk_switch_w32(gsw, val, GSW_REG_PORT_PMCR(id));
+ dev_info(priv->dev, "using fixed link parameters\n");
+ return;
+ }
+
+ if (priv->phy->phy_node[id] && mdiobus_get_phy(priv->mii_bus, id)) {
+ u32 val = PMCR_BACKPRES | PMCR_BACKOFF | PMCR_RX_EN |
+ PMCR_TX_EN | PMCR_MAC_MODE | PMCR_IPG;
+
+ mtk_switch_w32(gsw, val, GSW_REG_PORT_PMCR(id));
+ fe_connect_phy_node(priv, priv->phy->phy_node[id]);
+ gsw->autopoll |= BIT(id);
+ mt7620_auto_poll(gsw);
+ return;
+ }
+}
+
+static void mt7620_fe_reset(void)
+{
+ fe_reset(MT7620A_RESET_FE | MT7620A_RESET_ESW);
+}
+
+static void mt7620_rxcsum_config(bool enable)
+{
+ if (enable)
+ fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) | (GDMA_ICS_EN |
+ GDMA_TCS_EN | GDMA_UCS_EN),
+ MT7620A_GDMA1_FWD_CFG);
+ else
+ fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) & ~(GDMA_ICS_EN |
+ GDMA_TCS_EN | GDMA_UCS_EN),
+ MT7620A_GDMA1_FWD_CFG);
+}
+
+static void mt7620_txcsum_config(bool enable)
+{
+ if (enable)
+ fe_w32(fe_r32(MT7620A_CDMA_CSG_CFG) | (CDMA_ICS_EN |
+ CDMA_UCS_EN | CDMA_TCS_EN),
+ MT7620A_CDMA_CSG_CFG);
+ else
+ fe_w32(fe_r32(MT7620A_CDMA_CSG_CFG) & ~(CDMA_ICS_EN |
+ CDMA_UCS_EN | CDMA_TCS_EN),
+ MT7620A_CDMA_CSG_CFG);
+}
+
+static int mt7620_fwd_config(struct fe_priv *priv)
+{
+ struct net_device *dev = priv_netdev(priv);
+
+ fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) & ~7, MT7620A_GDMA1_FWD_CFG);
+
+ mt7620_txcsum_config((dev->features & NETIF_F_IP_CSUM));
+ mt7620_rxcsum_config((dev->features & NETIF_F_RXCSUM));
+
+ return 0;
+}
+
+static void mt7620_tx_dma(struct fe_tx_dma *txd)
+{
+}
+
+static void mt7620_init_data(struct fe_soc_data *data,
+ struct net_device *netdev)
+{
+ struct fe_priv *priv = netdev_priv(netdev);
+
+ priv->flags = FE_FLAG_PADDING_64B | FE_FLAG_RX_2B_OFFSET |
+ FE_FLAG_RX_SG_DMA | FE_FLAG_HAS_SWITCH;
+
+ netdev->hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
+ NETIF_F_HW_VLAN_CTAG_TX;
+ if (mt7620_get_eco() >= 5)
+ netdev->hw_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 |
+ NETIF_F_IPV6_CSUM;
+}
+
+static struct fe_soc_data mt7620_data = {
+ .init_data = mt7620_init_data,
+ .reset_fe = mt7620_fe_reset,
+ .set_mac = mt7620_set_mac,
+ .fwd_config = mt7620_fwd_config,
+ .tx_dma = mt7620_tx_dma,
+ .switch_init = mtk_gsw_init,
+ .switch_config = mt7620_gsw_config,
+ .port_init = mt7620_port_init,
+ .reg_table = mt7620_reg_table,
+ .pdma_glo_cfg = FE_PDMA_SIZE_16DWORDS,
+ .rx_int = RT5350_RX_DONE_INT,
+ .tx_int = RT5350_TX_DONE_INT,
+ .status_int = MT7620_FE_GDM1_AF,
+ .checksum_bit = MT7620_L4_VALID,
+ .has_carrier = mt7620_has_carrier,
+ .mdio_read = mt7620_mdio_read,
+ .mdio_write = mt7620_mdio_write,
+ .mdio_adjust_link = mt7620_mdio_link_adjust,
+};
+
+const struct of_device_id of_fe_match[] = {
+ { .compatible = "mediatek,mt7620-eth", .data = &mt7620_data },
+ {},
+};
+
+MODULE_DEVICE_TABLE(of, of_fe_match);
--- /dev/null
+/* This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/if_vlan.h>
+#include <linux/of_net.h>
+
+#include <asm/mach-ralink/ralink_regs.h>
+
+#include "mtk_eth_soc.h"
+#include "gsw_mt7620.h"
+#include "mt7530.h"
+#include "mdio.h"
+
+#define MT7620A_CDMA_CSG_CFG 0x400
+#define MT7621_CDMP_IG_CTRL (MT7620A_CDMA_CSG_CFG + 0x00)
+#define MT7621_CDMP_EG_CTRL (MT7620A_CDMA_CSG_CFG + 0x04)
+#define MT7621_RESET_FE BIT(6)
+#define MT7621_L4_VALID BIT(24)
+
+#define MT7621_TX_DMA_UDF BIT(19)
+#define MT7621_TX_DMA_FPORT BIT(25)
+
+#define CDMA_ICS_EN BIT(2)
+#define CDMA_UCS_EN BIT(1)
+#define CDMA_TCS_EN BIT(0)
+
+#define GDMA_ICS_EN BIT(22)
+#define GDMA_TCS_EN BIT(21)
+#define GDMA_UCS_EN BIT(20)
+
+/* frame engine counters */
+#define MT7621_REG_MIB_OFFSET 0x2000
+#define MT7621_PPE_AC_BCNT0 (MT7621_REG_MIB_OFFSET + 0x00)
+#define MT7621_GDM1_TX_GBCNT (MT7621_REG_MIB_OFFSET + 0x400)
+#define MT7621_GDM2_TX_GBCNT (MT7621_GDM1_TX_GBCNT + 0x40)
+
+#define GSW_REG_GDMA1_MAC_ADRL 0x508
+#define GSW_REG_GDMA1_MAC_ADRH 0x50C
+
+#define MT7621_FE_RST_GL (FE_FE_OFFSET + 0x04)
+#define MT7620_FE_INT_STATUS2 (FE_FE_OFFSET + 0x08)
+
+/* FE_INT_STATUS reg on mt7620 define CNT_GDM1_AF at BIT(29)
+ * but after test it should be BIT(13).
+ */
+#define MT7620_FE_GDM1_AF BIT(13)
+#define MT7621_FE_GDM1_AF BIT(28)
+#define MT7621_FE_GDM2_AF BIT(29)
+
+static const u16 mt7621_reg_table[FE_REG_COUNT] = {
+ [FE_REG_PDMA_GLO_CFG] = RT5350_PDMA_GLO_CFG,
+ [FE_REG_PDMA_RST_CFG] = RT5350_PDMA_RST_CFG,
+ [FE_REG_DLY_INT_CFG] = RT5350_DLY_INT_CFG,
+ [FE_REG_TX_BASE_PTR0] = RT5350_TX_BASE_PTR0,
+ [FE_REG_TX_MAX_CNT0] = RT5350_TX_MAX_CNT0,
+ [FE_REG_TX_CTX_IDX0] = RT5350_TX_CTX_IDX0,
+ [FE_REG_TX_DTX_IDX0] = RT5350_TX_DTX_IDX0,
+ [FE_REG_RX_BASE_PTR0] = RT5350_RX_BASE_PTR0,
+ [FE_REG_RX_MAX_CNT0] = RT5350_RX_MAX_CNT0,
+ [FE_REG_RX_CALC_IDX0] = RT5350_RX_CALC_IDX0,
+ [FE_REG_RX_DRX_IDX0] = RT5350_RX_DRX_IDX0,
+ [FE_REG_FE_INT_ENABLE] = RT5350_FE_INT_ENABLE,
+ [FE_REG_FE_INT_STATUS] = RT5350_FE_INT_STATUS,
+ [FE_REG_FE_DMA_VID_BASE] = 0,
+ [FE_REG_FE_COUNTER_BASE] = MT7621_GDM1_TX_GBCNT,
+ [FE_REG_FE_RST_GL] = MT7621_FE_RST_GL,
+ [FE_REG_FE_INT_STATUS2] = MT7620_FE_INT_STATUS2,
+};
+
+static int mt7621_gsw_config(struct fe_priv *priv)
+{
+ if (priv->mii_bus && mdiobus_get_phy(priv->mii_bus, 0x1f))
+ mt7530_probe(priv->dev, NULL, priv->mii_bus, 1);
+
+ return 0;
+}
+
+static void mt7621_fe_reset(void)
+{
+ fe_reset(MT7621_RESET_FE);
+}
+
+static void mt7621_rxcsum_config(bool enable)
+{
+ if (enable)
+ fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) | (GDMA_ICS_EN |
+ GDMA_TCS_EN | GDMA_UCS_EN),
+ MT7620A_GDMA1_FWD_CFG);
+ else
+ fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) & ~(GDMA_ICS_EN |
+ GDMA_TCS_EN | GDMA_UCS_EN),
+ MT7620A_GDMA1_FWD_CFG);
+}
+
+static void mt7621_rxvlan_config(bool enable)
+{
+ if (enable)
+ fe_w32(1, MT7621_CDMP_EG_CTRL);
+ else
+ fe_w32(0, MT7621_CDMP_EG_CTRL);
+}
+
+static int mt7621_fwd_config(struct fe_priv *priv)
+{
+ struct net_device *dev = priv_netdev(priv);
+
+ fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) & ~0xffff,
+ MT7620A_GDMA1_FWD_CFG);
+
+ /* mt7621 doesn't have txcsum config */
+ mt7621_rxcsum_config((dev->features & NETIF_F_RXCSUM));
+ mt7621_rxvlan_config(priv->flags & FE_FLAG_RX_VLAN_CTAG);
+
+ return 0;
+}
+
+static void mt7621_tx_dma(struct fe_tx_dma *txd)
+{
+ txd->txd4 = MT7621_TX_DMA_FPORT;
+}
+
+static void mt7621_init_data(struct fe_soc_data *data,
+ struct net_device *netdev)
+{
+ struct fe_priv *priv = netdev_priv(netdev);
+
+ priv->flags = FE_FLAG_PADDING_64B | FE_FLAG_RX_2B_OFFSET |
+ FE_FLAG_RX_SG_DMA | FE_FLAG_NAPI_WEIGHT |
+ FE_FLAG_HAS_SWITCH | FE_FLAG_JUMBO_FRAME;
+
+ netdev->hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
+ NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_SG | NETIF_F_TSO |
+ NETIF_F_TSO6 | NETIF_F_IPV6_CSUM;
+}
+
+static void mt7621_set_mac(struct fe_priv *priv, unsigned char *mac)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&priv->page_lock, flags);
+ fe_w32((mac[0] << 8) | mac[1], GSW_REG_GDMA1_MAC_ADRH);
+ fe_w32((mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5],
+ GSW_REG_GDMA1_MAC_ADRL);
+ spin_unlock_irqrestore(&priv->page_lock, flags);
+}
+
+static struct fe_soc_data mt7621_data = {
+ .init_data = mt7621_init_data,
+ .reset_fe = mt7621_fe_reset,
+ .set_mac = mt7621_set_mac,
+ .fwd_config = mt7621_fwd_config,
+ .tx_dma = mt7621_tx_dma,
+ .switch_init = mtk_gsw_init,
+ .switch_config = mt7621_gsw_config,
+ .reg_table = mt7621_reg_table,
+ .pdma_glo_cfg = FE_PDMA_SIZE_16DWORDS,
+ .rx_int = RT5350_RX_DONE_INT,
+ .tx_int = RT5350_TX_DONE_INT,
+ .status_int = (MT7621_FE_GDM1_AF | MT7621_FE_GDM2_AF),
+ .checksum_bit = MT7621_L4_VALID,
+ .has_carrier = mt7620_has_carrier,
+ .mdio_read = mt7620_mdio_read,
+ .mdio_write = mt7620_mdio_write,
+ .mdio_adjust_link = mt7620_mdio_link_adjust,
+};
+
+const struct of_device_id of_fe_match[] = {
+ { .compatible = "mediatek,mt7621-eth", .data = &mt7621_data },
+ {},
+};
+
+MODULE_DEVICE_TABLE(of, of_fe_match);
--- /dev/null
+/* This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include <linux/module.h>
+
+#include <asm/mach-ralink/ralink_regs.h>
+
+#include "mtk_eth_soc.h"
+#include "mdio_rt2880.h"
+
+#define RT2880_RESET_FE BIT(18)
+
+static void rt2880_init_data(struct fe_soc_data *data,
+ struct net_device *netdev)
+{
+ struct fe_priv *priv = netdev_priv(netdev);
+
+ priv->flags = FE_FLAG_PADDING_64B | FE_FLAG_PADDING_BUG |
+ FE_FLAG_JUMBO_FRAME | FE_FLAG_CALIBRATE_CLK;
+ netdev->hw_features = NETIF_F_SG | NETIF_F_HW_VLAN_CTAG_TX;
+ /* this should work according to the datasheet but actually does not*/
+ /* netdev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM; */
+}
+
+void rt2880_fe_reset(void)
+{
+ fe_reset(RT2880_RESET_FE);
+}
+
+static int rt2880_fwd_config(struct fe_priv *priv)
+{
+ int ret;
+
+ ret = fe_set_clock_cycle(priv);
+ if (ret)
+ return ret;
+
+ fe_fwd_config(priv);
+ fe_w32(FE_PSE_FQFC_CFG_INIT, FE_PSE_FQ_CFG);
+ fe_csum_config(priv);
+
+ return ret;
+}
+
+struct fe_soc_data rt2880_data = {
+ .init_data = rt2880_init_data,
+ .reset_fe = rt2880_fe_reset,
+ .fwd_config = rt2880_fwd_config,
+ .pdma_glo_cfg = FE_PDMA_SIZE_8DWORDS,
+ .checksum_bit = RX_DMA_L4VALID,
+ .rx_int = FE_RX_DONE_INT,
+ .tx_int = FE_TX_DONE_INT,
+ .status_int = FE_CNT_GDM_AF,
+ .mdio_read = rt2880_mdio_read,
+ .mdio_write = rt2880_mdio_write,
+ .mdio_adjust_link = rt2880_mdio_link_adjust,
+ .port_init = rt2880_port_init,
+};
+
+const struct of_device_id of_fe_match[] = {
+ { .compatible = "ralink,rt2880-eth", .data = &rt2880_data },
+ {},
+};
+
+MODULE_DEVICE_TABLE(of, of_fe_match);
--- /dev/null
+/* This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include <linux/module.h>
+
+#include <asm/mach-ralink/ralink_regs.h>
+
+#include "mtk_eth_soc.h"
+#include "mdio_rt2880.h"
+
+#define RT305X_RESET_FE BIT(21)
+#define RT305X_RESET_ESW BIT(23)
+
+static const u16 rt5350_reg_table[FE_REG_COUNT] = {
+ [FE_REG_PDMA_GLO_CFG] = RT5350_PDMA_GLO_CFG,
+ [FE_REG_PDMA_RST_CFG] = RT5350_PDMA_RST_CFG,
+ [FE_REG_DLY_INT_CFG] = RT5350_DLY_INT_CFG,
+ [FE_REG_TX_BASE_PTR0] = RT5350_TX_BASE_PTR0,
+ [FE_REG_TX_MAX_CNT0] = RT5350_TX_MAX_CNT0,
+ [FE_REG_TX_CTX_IDX0] = RT5350_TX_CTX_IDX0,
+ [FE_REG_TX_DTX_IDX0] = RT5350_TX_DTX_IDX0,
+ [FE_REG_RX_BASE_PTR0] = RT5350_RX_BASE_PTR0,
+ [FE_REG_RX_MAX_CNT0] = RT5350_RX_MAX_CNT0,
+ [FE_REG_RX_CALC_IDX0] = RT5350_RX_CALC_IDX0,
+ [FE_REG_RX_DRX_IDX0] = RT5350_RX_DRX_IDX0,
+ [FE_REG_FE_INT_ENABLE] = RT5350_FE_INT_ENABLE,
+ [FE_REG_FE_INT_STATUS] = RT5350_FE_INT_STATUS,
+ [FE_REG_FE_RST_GL] = 0,
+ [FE_REG_FE_DMA_VID_BASE] = 0,
+};
+
+static void rt305x_init_data(struct fe_soc_data *data,
+ struct net_device *netdev)
+{
+ struct fe_priv *priv = netdev_priv(netdev);
+
+ priv->flags = FE_FLAG_PADDING_64B | FE_FLAG_PADDING_BUG |
+ FE_FLAG_CALIBRATE_CLK | FE_FLAG_HAS_SWITCH;
+ netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM |
+ NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_TX;
+}
+
+static int rt3050_fwd_config(struct fe_priv *priv)
+{
+ int ret;
+
+ if (ralink_soc != RT305X_SOC_RT3052) {
+ ret = fe_set_clock_cycle(priv);
+ if (ret)
+ return ret;
+ }
+
+ fe_fwd_config(priv);
+ if (ralink_soc != RT305X_SOC_RT3352)
+ fe_w32(FE_PSE_FQFC_CFG_INIT, FE_PSE_FQ_CFG);
+ fe_csum_config(priv);
+
+ return 0;
+}
+
+static void rt305x_fe_reset(void)
+{
+ fe_reset(RT305X_RESET_FE);
+}
+
+static void rt5350_init_data(struct fe_soc_data *data,
+ struct net_device *netdev)
+{
+ struct fe_priv *priv = netdev_priv(netdev);
+
+ priv->flags = FE_FLAG_HAS_SWITCH;
+ netdev->hw_features = NETIF_F_SG | NETIF_F_RXCSUM;
+}
+
+static void rt5350_set_mac(struct fe_priv *priv, unsigned char *mac)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&priv->page_lock, flags);
+ fe_w32((mac[0] << 8) | mac[1], RT5350_SDM_MAC_ADRH);
+ fe_w32((mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5],
+ RT5350_SDM_MAC_ADRL);
+ spin_unlock_irqrestore(&priv->page_lock, flags);
+}
+
+static void rt5350_rxcsum_config(bool enable)
+{
+ if (enable)
+ fe_w32(fe_r32(RT5350_SDM_CFG) | (RT5350_SDM_ICS_EN |
+ RT5350_SDM_TCS_EN | RT5350_SDM_UCS_EN),
+ RT5350_SDM_CFG);
+ else
+ fe_w32(fe_r32(RT5350_SDM_CFG) & ~(RT5350_SDM_ICS_EN |
+ RT5350_SDM_TCS_EN | RT5350_SDM_UCS_EN),
+ RT5350_SDM_CFG);
+}
+
+static int rt5350_fwd_config(struct fe_priv *priv)
+{
+ struct net_device *dev = priv_netdev(priv);
+
+ rt5350_rxcsum_config((dev->features & NETIF_F_RXCSUM));
+
+ return 0;
+}
+
+static void rt5350_tx_dma(struct fe_tx_dma *txd)
+{
+ txd->txd4 = 0;
+}
+
+static void rt5350_fe_reset(void)
+{
+ fe_reset(RT305X_RESET_FE | RT305X_RESET_ESW);
+}
+
+static struct fe_soc_data rt3050_data = {
+ .init_data = rt305x_init_data,
+ .reset_fe = rt305x_fe_reset,
+ .fwd_config = rt3050_fwd_config,
+ .pdma_glo_cfg = FE_PDMA_SIZE_8DWORDS,
+ .checksum_bit = RX_DMA_L4VALID,
+ .rx_int = FE_RX_DONE_INT,
+ .tx_int = FE_TX_DONE_INT,
+ .status_int = FE_CNT_GDM_AF,
+};
+
+static struct fe_soc_data rt5350_data = {
+ .init_data = rt5350_init_data,
+ .reg_table = rt5350_reg_table,
+ .reset_fe = rt5350_fe_reset,
+ .set_mac = rt5350_set_mac,
+ .fwd_config = rt5350_fwd_config,
+ .tx_dma = rt5350_tx_dma,
+ .pdma_glo_cfg = FE_PDMA_SIZE_8DWORDS,
+ .checksum_bit = RX_DMA_L4VALID,
+ .rx_int = RT5350_RX_DONE_INT,
+ .tx_int = RT5350_TX_DONE_INT,
+};
+
+const struct of_device_id of_fe_match[] = {
+ { .compatible = "ralink,rt3050-eth", .data = &rt3050_data },
+ { .compatible = "ralink,rt5350-eth", .data = &rt5350_data },
+ {},
+};
+
+MODULE_DEVICE_TABLE(of, of_fe_match);
--- /dev/null
+/* This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
+ */
+
+#include <linux/module.h>
+
+#include <asm/mach-ralink/ralink_regs.h>
+
+#include "mtk_eth_soc.h"
+#include "mdio_rt2880.h"
+
+#define RT3883_RSTCTRL_FE BIT(21)
+
+static void rt3883_fe_reset(void)
+{
+ fe_reset(RT3883_RSTCTRL_FE);
+}
+
+static int rt3883_fwd_config(struct fe_priv *priv)
+{
+ int ret;
+
+ ret = fe_set_clock_cycle(priv);
+ if (ret)
+ return ret;
+
+ fe_fwd_config(priv);
+ fe_w32(FE_PSE_FQFC_CFG_256Q, FE_PSE_FQ_CFG);
+ fe_csum_config(priv);
+
+ return ret;
+}
+
+static void rt3883_init_data(struct fe_soc_data *data,
+ struct net_device *netdev)
+{
+ struct fe_priv *priv = netdev_priv(netdev);
+
+ priv->flags = FE_FLAG_PADDING_64B | FE_FLAG_PADDING_BUG |
+ FE_FLAG_JUMBO_FRAME | FE_FLAG_CALIBRATE_CLK;
+ netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM |
+ NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_TX;
+}
+
+static struct fe_soc_data rt3883_data = {
+ .init_data = rt3883_init_data,
+ .reset_fe = rt3883_fe_reset,
+ .fwd_config = rt3883_fwd_config,
+ .pdma_glo_cfg = FE_PDMA_SIZE_8DWORDS,
+ .rx_int = FE_RX_DONE_INT,
+ .tx_int = FE_TX_DONE_INT,
+ .status_int = FE_CNT_GDM_AF,
+ .checksum_bit = RX_DMA_L4VALID,
+ .mdio_read = rt2880_mdio_read,
+ .mdio_write = rt2880_mdio_write,
+ .mdio_adjust_link = rt2880_mdio_link_adjust,
+ .port_init = rt2880_port_init,
+};
+
+const struct of_device_id of_fe_match[] = {
+ { .compatible = "ralink,rt3883-eth", .data = &rt3883_data },
+ {},
+};
+
+MODULE_DEVICE_TABLE(of, of_fe_match);
+++ /dev/null
-config NET_VENDOR_MEDIATEK
- tristate "Mediatek/Ralink ethernet driver"
- depends on RALINK
- help
- This driver supports the ethernet mac inside the Mediatek and Ralink WiSoCs
-
-config NET_MEDIATEK_SOC
- def_tristate NET_VENDOR_MEDIATEK
-
-if NET_MEDIATEK_SOC
-choice
- prompt "MAC type"
-
-config NET_MEDIATEK_RT2880
- bool "RT2882"
- depends on MIPS && SOC_RT288X
-
-config NET_MEDIATEK_RT3050
- bool "RT3050/MT7628"
- depends on MIPS && (SOC_RT305X || SOC_MT7620)
-
-config NET_MEDIATEK_RT3883
- bool "RT3883"
- depends on MIPS && SOC_RT3883
-
-config NET_MEDIATEK_MT7620
- bool "MT7620"
- depends on MIPS && SOC_MT7620
-
-config NET_MEDIATEK_MT7621
- bool "MT7621"
- depends on MIPS && SOC_MT7621
-
-endchoice
-
-config NET_MEDIATEK_OFFLOAD
- def_bool NET_MEDIATEK_SOC
- depends on NET_MEDIATEK_MT7621
-
-config NET_MEDIATEK_HW_QOS
- def_bool NET_MEDIATEK_SOC
- depends on NET_MEDIATEK_MT7623
-
-config NET_MEDIATEK_MDIO
- def_bool NET_MEDIATEK_SOC
- depends on (NET_MEDIATEK_RT2880 || NET_MEDIATEK_RT3883 || NET_MEDIATEK_MT7620 || NET_MEDIATEK_MT7621)
- select PHYLIB
-
-config NET_MEDIATEK_MDIO_RT2880
- def_bool NET_MEDIATEK_SOC
- depends on (NET_MEDIATEK_RT2880 || NET_MEDIATEK_RT3883)
- select NET_MEDIATEK_MDIO
-
-config NET_MEDIATEK_MDIO_MT7620
- def_bool NET_MEDIATEK_SOC
- depends on (NET_MEDIATEK_MT7620 || NET_MEDIATEK_MT7621)
- select NET_MEDIATEK_MDIO
-
-config NET_MEDIATEK_ESW_RT3050
- def_tristate NET_MEDIATEK_SOC
- depends on NET_MEDIATEK_RT3050
-
-config NET_MEDIATEK_GSW_MT7620
- def_tristate NET_MEDIATEK_SOC
- depends on NET_MEDIATEK_MT7620
-
-config NET_MEDIATEK_GSW_MT7621
- def_tristate NET_MEDIATEK_SOC
- depends on NET_MEDIATEK_MT7621
-endif
+++ /dev/null
-#
-# Makefile for the Ralink SoCs built-in ethernet macs
-#
-
-mtk-eth-soc-y += mtk_eth_soc.o ethtool.o
-
-mtk-eth-soc-$(CONFIG_NET_MEDIATEK_MDIO) += mdio.o
-mtk-eth-soc-$(CONFIG_NET_MEDIATEK_MDIO_RT2880) += mdio_rt2880.o
-mtk-eth-soc-$(CONFIG_NET_MEDIATEK_MDIO_MT7620) += mdio_mt7620.o
-
-mtk-eth-soc-$(CONFIG_NET_MEDIATEK_OFFLOAD) += mtk_offload.o mtk_debugfs.o
-
-mtk-eth-soc-$(CONFIG_NET_MEDIATEK_RT2880) += soc_rt2880.o
-mtk-eth-soc-$(CONFIG_NET_MEDIATEK_RT3050) += soc_rt3050.o
-mtk-eth-soc-$(CONFIG_NET_MEDIATEK_RT3883) += soc_rt3883.o
-mtk-eth-soc-$(CONFIG_NET_MEDIATEK_MT7620) += soc_mt7620.o
-mtk-eth-soc-$(CONFIG_NET_MEDIATEK_MT7621) += soc_mt7621.o
-
-obj-$(CONFIG_NET_MEDIATEK_ESW_RT3050) += esw_rt3050.o
-obj-$(CONFIG_NET_MEDIATEK_GSW_MT7620) += gsw_mt7620.o mt7530.o
-obj-$(CONFIG_NET_MEDIATEK_GSW_MT7621) += gsw_mt7621.o mt7530.o
-obj-$(CONFIG_NET_MEDIATEK_SOC) += mtk-eth-soc.o
+++ /dev/null
-/* This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
- * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
- * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
- * Copyright (C) 2016 Vittorio Gambaletta <openwrt@vittgam.net>
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/platform_device.h>
-#include <asm/mach-ralink/ralink_regs.h>
-#include <linux/of_irq.h>
-
-#include <linux/switch.h>
-
-#include "mtk_eth_soc.h"
-
-/* HW limitations for this switch:
- * - No large frame support (PKT_MAX_LEN at most 1536)
- * - Can't have untagged vlan and tagged vlan on one port at the same time,
- * though this might be possible using the undocumented PPE.
- */
-
-#define RT305X_ESW_REG_ISR 0x00
-#define RT305X_ESW_REG_IMR 0x04
-#define RT305X_ESW_REG_FCT0 0x08
-#define RT305X_ESW_REG_PFC1 0x14
-#define RT305X_ESW_REG_ATS 0x24
-#define RT305X_ESW_REG_ATS0 0x28
-#define RT305X_ESW_REG_ATS1 0x2c
-#define RT305X_ESW_REG_ATS2 0x30
-#define RT305X_ESW_REG_PVIDC(_n) (0x40 + 4 * (_n))
-#define RT305X_ESW_REG_VLANI(_n) (0x50 + 4 * (_n))
-#define RT305X_ESW_REG_VMSC(_n) (0x70 + 4 * (_n))
-#define RT305X_ESW_REG_POA 0x80
-#define RT305X_ESW_REG_FPA 0x84
-#define RT305X_ESW_REG_SOCPC 0x8c
-#define RT305X_ESW_REG_POC0 0x90
-#define RT305X_ESW_REG_POC1 0x94
-#define RT305X_ESW_REG_POC2 0x98
-#define RT305X_ESW_REG_SGC 0x9c
-#define RT305X_ESW_REG_STRT 0xa0
-#define RT305X_ESW_REG_PCR0 0xc0
-#define RT305X_ESW_REG_PCR1 0xc4
-#define RT305X_ESW_REG_FPA2 0xc8
-#define RT305X_ESW_REG_FCT2 0xcc
-#define RT305X_ESW_REG_SGC2 0xe4
-#define RT305X_ESW_REG_P0LED 0xa4
-#define RT305X_ESW_REG_P1LED 0xa8
-#define RT305X_ESW_REG_P2LED 0xac
-#define RT305X_ESW_REG_P3LED 0xb0
-#define RT305X_ESW_REG_P4LED 0xb4
-#define RT305X_ESW_REG_PXPC(_x) (0xe8 + (4 * _x))
-#define RT305X_ESW_REG_P1PC 0xec
-#define RT305X_ESW_REG_P2PC 0xf0
-#define RT305X_ESW_REG_P3PC 0xf4
-#define RT305X_ESW_REG_P4PC 0xf8
-#define RT305X_ESW_REG_P5PC 0xfc
-
-#define RT305X_ESW_LED_LINK 0
-#define RT305X_ESW_LED_100M 1
-#define RT305X_ESW_LED_DUPLEX 2
-#define RT305X_ESW_LED_ACTIVITY 3
-#define RT305X_ESW_LED_COLLISION 4
-#define RT305X_ESW_LED_LINKACT 5
-#define RT305X_ESW_LED_DUPLCOLL 6
-#define RT305X_ESW_LED_10MACT 7
-#define RT305X_ESW_LED_100MACT 8
-/* Additional led states not in datasheet: */
-#define RT305X_ESW_LED_BLINK 10
-#define RT305X_ESW_LED_ON 12
-
-#define RT305X_ESW_LINK_S 25
-#define RT305X_ESW_DUPLEX_S 9
-#define RT305X_ESW_SPD_S 0
-
-#define RT305X_ESW_PCR0_WT_NWAY_DATA_S 16
-#define RT305X_ESW_PCR0_WT_PHY_CMD BIT(13)
-#define RT305X_ESW_PCR0_CPU_PHY_REG_S 8
-
-#define RT305X_ESW_PCR1_WT_DONE BIT(0)
-
-#define RT305X_ESW_ATS_TIMEOUT (5 * HZ)
-#define RT305X_ESW_PHY_TIMEOUT (5 * HZ)
-
-#define RT305X_ESW_PVIDC_PVID_M 0xfff
-#define RT305X_ESW_PVIDC_PVID_S 12
-
-#define RT305X_ESW_VLANI_VID_M 0xfff
-#define RT305X_ESW_VLANI_VID_S 12
-
-#define RT305X_ESW_VMSC_MSC_M 0xff
-#define RT305X_ESW_VMSC_MSC_S 8
-
-#define RT305X_ESW_SOCPC_DISUN2CPU_S 0
-#define RT305X_ESW_SOCPC_DISMC2CPU_S 8
-#define RT305X_ESW_SOCPC_DISBC2CPU_S 16
-#define RT305X_ESW_SOCPC_CRC_PADDING BIT(25)
-
-#define RT305X_ESW_POC0_EN_BP_S 0
-#define RT305X_ESW_POC0_EN_FC_S 8
-#define RT305X_ESW_POC0_DIS_RMC2CPU_S 16
-#define RT305X_ESW_POC0_DIS_PORT_M 0x7f
-#define RT305X_ESW_POC0_DIS_PORT_S 23
-
-#define RT305X_ESW_POC2_UNTAG_EN_M 0xff
-#define RT305X_ESW_POC2_UNTAG_EN_S 0
-#define RT305X_ESW_POC2_ENAGING_S 8
-#define RT305X_ESW_POC2_DIS_UC_PAUSE_S 16
-
-#define RT305X_ESW_SGC2_DOUBLE_TAG_M 0x7f
-#define RT305X_ESW_SGC2_DOUBLE_TAG_S 0
-#define RT305X_ESW_SGC2_LAN_PMAP_M 0x3f
-#define RT305X_ESW_SGC2_LAN_PMAP_S 24
-
-#define RT305X_ESW_PFC1_EN_VLAN_M 0xff
-#define RT305X_ESW_PFC1_EN_VLAN_S 16
-#define RT305X_ESW_PFC1_EN_TOS_S 24
-
-#define RT305X_ESW_VLAN_NONE 0xfff
-
-#define RT305X_ESW_GSC_BC_STROM_MASK 0x3
-#define RT305X_ESW_GSC_BC_STROM_SHIFT 4
-
-#define RT305X_ESW_GSC_LED_FREQ_MASK 0x3
-#define RT305X_ESW_GSC_LED_FREQ_SHIFT 23
-
-#define RT305X_ESW_POA_LINK_MASK 0x1f
-#define RT305X_ESW_POA_LINK_SHIFT 25
-
-#define RT305X_ESW_PORT_ST_CHG BIT(26)
-#define RT305X_ESW_PORT0 0
-#define RT305X_ESW_PORT1 1
-#define RT305X_ESW_PORT2 2
-#define RT305X_ESW_PORT3 3
-#define RT305X_ESW_PORT4 4
-#define RT305X_ESW_PORT5 5
-#define RT305X_ESW_PORT6 6
-
-#define RT305X_ESW_PORTS_NONE 0
-
-#define RT305X_ESW_PMAP_LLLLLL 0x3f
-#define RT305X_ESW_PMAP_LLLLWL 0x2f
-#define RT305X_ESW_PMAP_WLLLLL 0x3e
-
-#define RT305X_ESW_PORTS_INTERNAL \
- (BIT(RT305X_ESW_PORT0) | BIT(RT305X_ESW_PORT1) | \
- BIT(RT305X_ESW_PORT2) | BIT(RT305X_ESW_PORT3) | \
- BIT(RT305X_ESW_PORT4))
-
-#define RT305X_ESW_PORTS_NOCPU \
- (RT305X_ESW_PORTS_INTERNAL | BIT(RT305X_ESW_PORT5))
-
-#define RT305X_ESW_PORTS_CPU BIT(RT305X_ESW_PORT6)
-
-#define RT305X_ESW_PORTS_ALL \
- (RT305X_ESW_PORTS_NOCPU | RT305X_ESW_PORTS_CPU)
-
-#define RT305X_ESW_NUM_VLANS 16
-#define RT305X_ESW_NUM_VIDS 4096
-#define RT305X_ESW_NUM_PORTS 7
-#define RT305X_ESW_NUM_LANWAN 6
-#define RT305X_ESW_NUM_LEDS 5
-
-#define RT5350_ESW_REG_PXTPC(_x) (0x150 + (4 * _x))
-#define RT5350_EWS_REG_LED_POLARITY 0x168
-#define RT5350_RESET_EPHY BIT(24)
-
-enum {
- /* Global attributes. */
- RT305X_ESW_ATTR_ENABLE_VLAN,
- RT305X_ESW_ATTR_ALT_VLAN_DISABLE,
- RT305X_ESW_ATTR_BC_STATUS,
- RT305X_ESW_ATTR_LED_FREQ,
- /* Port attributes. */
- RT305X_ESW_ATTR_PORT_DISABLE,
- RT305X_ESW_ATTR_PORT_DOUBLETAG,
- RT305X_ESW_ATTR_PORT_UNTAG,
- RT305X_ESW_ATTR_PORT_LED,
- RT305X_ESW_ATTR_PORT_LAN,
- RT305X_ESW_ATTR_PORT_RECV_BAD,
- RT305X_ESW_ATTR_PORT_RECV_GOOD,
- RT5350_ESW_ATTR_PORT_TR_BAD,
- RT5350_ESW_ATTR_PORT_TR_GOOD,
-};
-
-struct esw_port {
- bool disable;
- bool doubletag;
- bool untag;
- u8 led;
- u16 pvid;
-};
-
-struct esw_vlan {
- u8 ports;
- u16 vid;
-};
-
-enum {
- RT305X_ESW_VLAN_CONFIG_NONE = 0,
- RT305X_ESW_VLAN_CONFIG_LLLLW,
- RT305X_ESW_VLAN_CONFIG_WLLLL,
-};
-
-struct rt305x_esw {
- struct device *dev;
- void __iomem *base;
- int irq;
-
- /* Protects against concurrent register r/w operations. */
- spinlock_t reg_rw_lock;
-
- unsigned char port_map;
- unsigned char port_disable;
- unsigned int reg_initval_fct2;
- unsigned int reg_initval_fpa2;
- unsigned int reg_led_polarity;
-
- struct switch_dev swdev;
- bool global_vlan_enable;
- bool alt_vlan_disable;
- int bc_storm_protect;
- int led_frequency;
- struct esw_vlan vlans[RT305X_ESW_NUM_VLANS];
- struct esw_port ports[RT305X_ESW_NUM_PORTS];
-
-};
-
-static inline void esw_w32(struct rt305x_esw *esw, u32 val, unsigned reg)
-{
- __raw_writel(val, esw->base + reg);
-}
-
-static inline u32 esw_r32(struct rt305x_esw *esw, unsigned reg)
-{
- return __raw_readl(esw->base + reg);
-}
-
-static inline void esw_rmw_raw(struct rt305x_esw *esw, unsigned reg,
- unsigned long mask, unsigned long val)
-{
- unsigned long t;
-
- t = __raw_readl(esw->base + reg) & ~mask;
- __raw_writel(t | val, esw->base + reg);
-}
-
-static void esw_rmw(struct rt305x_esw *esw, unsigned reg,
- unsigned long mask, unsigned long val)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&esw->reg_rw_lock, flags);
- esw_rmw_raw(esw, reg, mask, val);
- spin_unlock_irqrestore(&esw->reg_rw_lock, flags);
-}
-
-static u32 rt305x_mii_write(struct rt305x_esw *esw, u32 phy_addr,
- u32 phy_register, u32 write_data)
-{
- unsigned long t_start = jiffies;
- int ret = 0;
-
- while (1) {
- if (!(esw_r32(esw, RT305X_ESW_REG_PCR1) &
- RT305X_ESW_PCR1_WT_DONE))
- break;
- if (time_after(jiffies, t_start + RT305X_ESW_PHY_TIMEOUT)) {
- ret = 1;
- goto out;
- }
- }
-
- write_data &= 0xffff;
- esw_w32(esw, (write_data << RT305X_ESW_PCR0_WT_NWAY_DATA_S) |
- (phy_register << RT305X_ESW_PCR0_CPU_PHY_REG_S) |
- (phy_addr) | RT305X_ESW_PCR0_WT_PHY_CMD,
- RT305X_ESW_REG_PCR0);
-
- t_start = jiffies;
- while (1) {
- if (esw_r32(esw, RT305X_ESW_REG_PCR1) &
- RT305X_ESW_PCR1_WT_DONE)
- break;
-
- if (time_after(jiffies, t_start + RT305X_ESW_PHY_TIMEOUT)) {
- ret = 1;
- break;
- }
- }
-out:
- if (ret)
- dev_err(esw->dev, "ramips_eth: MDIO timeout\n");
- return ret;
-}
-
-static unsigned esw_get_vlan_id(struct rt305x_esw *esw, unsigned vlan)
-{
- unsigned s;
- unsigned val;
-
- s = RT305X_ESW_VLANI_VID_S * (vlan % 2);
- val = esw_r32(esw, RT305X_ESW_REG_VLANI(vlan / 2));
- val = (val >> s) & RT305X_ESW_VLANI_VID_M;
-
- return val;
-}
-
-static void esw_set_vlan_id(struct rt305x_esw *esw, unsigned vlan, unsigned vid)
-{
- unsigned s;
-
- s = RT305X_ESW_VLANI_VID_S * (vlan % 2);
- esw_rmw(esw,
- RT305X_ESW_REG_VLANI(vlan / 2),
- RT305X_ESW_VLANI_VID_M << s,
- (vid & RT305X_ESW_VLANI_VID_M) << s);
-}
-
-static unsigned esw_get_pvid(struct rt305x_esw *esw, unsigned port)
-{
- unsigned s, val;
-
- s = RT305X_ESW_PVIDC_PVID_S * (port % 2);
- val = esw_r32(esw, RT305X_ESW_REG_PVIDC(port / 2));
- return (val >> s) & RT305X_ESW_PVIDC_PVID_M;
-}
-
-static void esw_set_pvid(struct rt305x_esw *esw, unsigned port, unsigned pvid)
-{
- unsigned s;
-
- s = RT305X_ESW_PVIDC_PVID_S * (port % 2);
- esw_rmw(esw,
- RT305X_ESW_REG_PVIDC(port / 2),
- RT305X_ESW_PVIDC_PVID_M << s,
- (pvid & RT305X_ESW_PVIDC_PVID_M) << s);
-}
-
-static unsigned esw_get_vmsc(struct rt305x_esw *esw, unsigned vlan)
-{
- unsigned s, val;
-
- s = RT305X_ESW_VMSC_MSC_S * (vlan % 4);
- val = esw_r32(esw, RT305X_ESW_REG_VMSC(vlan / 4));
- val = (val >> s) & RT305X_ESW_VMSC_MSC_M;
-
- return val;
-}
-
-static void esw_set_vmsc(struct rt305x_esw *esw, unsigned vlan, unsigned msc)
-{
- unsigned s;
-
- s = RT305X_ESW_VMSC_MSC_S * (vlan % 4);
- esw_rmw(esw,
- RT305X_ESW_REG_VMSC(vlan / 4),
- RT305X_ESW_VMSC_MSC_M << s,
- (msc & RT305X_ESW_VMSC_MSC_M) << s);
-}
-
-static unsigned esw_get_port_disable(struct rt305x_esw *esw)
-{
- unsigned reg;
-
- reg = esw_r32(esw, RT305X_ESW_REG_POC0);
- return (reg >> RT305X_ESW_POC0_DIS_PORT_S) &
- RT305X_ESW_POC0_DIS_PORT_M;
-}
-
-static void esw_set_port_disable(struct rt305x_esw *esw, unsigned disable_mask)
-{
- unsigned old_mask;
- unsigned enable_mask;
- unsigned changed;
- int i;
-
- old_mask = esw_get_port_disable(esw);
- changed = old_mask ^ disable_mask;
- enable_mask = old_mask & disable_mask;
-
- /* enable before writing to MII */
- esw_rmw(esw, RT305X_ESW_REG_POC0,
- (RT305X_ESW_POC0_DIS_PORT_M <<
- RT305X_ESW_POC0_DIS_PORT_S),
- enable_mask << RT305X_ESW_POC0_DIS_PORT_S);
-
- for (i = 0; i < RT305X_ESW_NUM_LEDS; i++) {
- if (!(changed & (1 << i)))
- continue;
- if (disable_mask & (1 << i)) {
- /* disable */
- rt305x_mii_write(esw, i, MII_BMCR,
- BMCR_PDOWN);
- } else {
- /* enable */
- rt305x_mii_write(esw, i, MII_BMCR,
- BMCR_FULLDPLX |
- BMCR_ANENABLE |
- BMCR_ANRESTART |
- BMCR_SPEED100);
- }
- }
-
- /* disable after writing to MII */
- esw_rmw(esw, RT305X_ESW_REG_POC0,
- (RT305X_ESW_POC0_DIS_PORT_M <<
- RT305X_ESW_POC0_DIS_PORT_S),
- disable_mask << RT305X_ESW_POC0_DIS_PORT_S);
-}
-
-static void esw_set_gsc(struct rt305x_esw *esw)
-{
- esw_rmw(esw, RT305X_ESW_REG_SGC,
- RT305X_ESW_GSC_BC_STROM_MASK << RT305X_ESW_GSC_BC_STROM_SHIFT,
- esw->bc_storm_protect << RT305X_ESW_GSC_BC_STROM_SHIFT);
- esw_rmw(esw, RT305X_ESW_REG_SGC,
- RT305X_ESW_GSC_LED_FREQ_MASK << RT305X_ESW_GSC_LED_FREQ_SHIFT,
- esw->led_frequency << RT305X_ESW_GSC_LED_FREQ_SHIFT);
-}
-
-static int esw_apply_config(struct switch_dev *dev);
-
-static void esw_hw_init(struct rt305x_esw *esw)
-{
- int i;
- u8 port_disable = 0;
- u8 port_map = RT305X_ESW_PMAP_LLLLLL;
-
- /* vodoo from original driver */
- esw_w32(esw, 0xC8A07850, RT305X_ESW_REG_FCT0);
- esw_w32(esw, 0x00000000, RT305X_ESW_REG_SGC2);
- /* Port priority 1 for all ports, vlan enabled. */
- esw_w32(esw, 0x00005555 |
- (RT305X_ESW_PORTS_ALL << RT305X_ESW_PFC1_EN_VLAN_S),
- RT305X_ESW_REG_PFC1);
-
- /* Enable all ports, Back Pressure and Flow Control */
- esw_w32(esw, ((RT305X_ESW_PORTS_ALL << RT305X_ESW_POC0_EN_BP_S) |
- (RT305X_ESW_PORTS_ALL << RT305X_ESW_POC0_EN_FC_S)),
- RT305X_ESW_REG_POC0);
-
- /* Enable Aging, and VLAN TAG removal */
- esw_w32(esw, ((RT305X_ESW_PORTS_ALL << RT305X_ESW_POC2_ENAGING_S) |
- (RT305X_ESW_PORTS_NOCPU << RT305X_ESW_POC2_UNTAG_EN_S)),
- RT305X_ESW_REG_POC2);
-
- if (esw->reg_initval_fct2)
- esw_w32(esw, esw->reg_initval_fct2, RT305X_ESW_REG_FCT2);
- else
- esw_w32(esw, 0x0002500c, RT305X_ESW_REG_FCT2);
-
- /* 300s aging timer, max packet len 1536, broadcast storm prevention
- * disabled, disable collision abort, mac xor48 hash, 10 packet back
- * pressure jam, GMII disable was_transmit, back pressure disabled,
- * 30ms led flash, unmatched IGMP as broadcast, rmc tb fault to all
- * ports.
- */
- esw_w32(esw, 0x0008a301, RT305X_ESW_REG_SGC);
-
- /* Setup SoC Port control register */
- esw_w32(esw,
- (RT305X_ESW_SOCPC_CRC_PADDING |
- (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISUN2CPU_S) |
- (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISMC2CPU_S) |
- (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISBC2CPU_S)),
- RT305X_ESW_REG_SOCPC);
-
- /* ext phy base addr 31, enable port 5 polling, rx/tx clock skew 1,
- * turbo mii off, rgmi 3.3v off
- * port5: disabled
- * port6: enabled, gige, full-duplex, rx/tx-flow-control
- */
- if (esw->reg_initval_fpa2)
- esw_w32(esw, esw->reg_initval_fpa2, RT305X_ESW_REG_FPA2);
- else
- esw_w32(esw, 0x3f502b28, RT305X_ESW_REG_FPA2);
- esw_w32(esw, 0x00000000, RT305X_ESW_REG_FPA);
-
- /* Force Link/Activity on ports */
- esw_w32(esw, 0x00000005, RT305X_ESW_REG_P0LED);
- esw_w32(esw, 0x00000005, RT305X_ESW_REG_P1LED);
- esw_w32(esw, 0x00000005, RT305X_ESW_REG_P2LED);
- esw_w32(esw, 0x00000005, RT305X_ESW_REG_P3LED);
- esw_w32(esw, 0x00000005, RT305X_ESW_REG_P4LED);
-
- /* Copy disabled port configuration from device tree setup */
- port_disable = esw->port_disable;
-
- /* Disable nonexistent ports by reading the switch config
- * after having enabled all possible ports above
- */
- port_disable |= esw_get_port_disable(esw);
-
- for (i = 0; i < 6; i++)
- esw->ports[i].disable = (port_disable & (1 << i)) != 0;
-
- if (ralink_soc == RT305X_SOC_RT3352) {
- /* reset EPHY */
- fe_reset(RT5350_RESET_EPHY);
-
- rt305x_mii_write(esw, 0, 31, 0x8000);
- for (i = 0; i < 5; i++) {
- if (esw->ports[i].disable) {
- rt305x_mii_write(esw, i, MII_BMCR, BMCR_PDOWN);
- } else {
- rt305x_mii_write(esw, i, MII_BMCR,
- BMCR_FULLDPLX |
- BMCR_ANENABLE |
- BMCR_SPEED100);
- }
- /* TX10 waveform coefficient LSB=0 disable PHY */
- rt305x_mii_write(esw, i, 26, 0x1601);
- /* TX100/TX10 AD/DA current bias */
- rt305x_mii_write(esw, i, 29, 0x7016);
- /* TX100 slew rate control */
- rt305x_mii_write(esw, i, 30, 0x0038);
- }
-
- /* select global register */
- rt305x_mii_write(esw, 0, 31, 0x0);
- /* enlarge agcsel threshold 3 and threshold 2 */
- rt305x_mii_write(esw, 0, 1, 0x4a40);
- /* enlarge agcsel threshold 5 and threshold 4 */
- rt305x_mii_write(esw, 0, 2, 0x6254);
- /* enlarge agcsel threshold */
- rt305x_mii_write(esw, 0, 3, 0xa17f);
- rt305x_mii_write(esw, 0, 12, 0x7eaa);
- /* longer TP_IDL tail length */
- rt305x_mii_write(esw, 0, 14, 0x65);
- /* increased squelch pulse count threshold. */
- rt305x_mii_write(esw, 0, 16, 0x0684);
- /* set TX10 signal amplitude threshold to minimum */
- rt305x_mii_write(esw, 0, 17, 0x0fe0);
- /* set squelch amplitude to higher threshold */
- rt305x_mii_write(esw, 0, 18, 0x40ba);
- /* tune TP_IDL tail and head waveform, enable power
- * down slew rate control
- */
- rt305x_mii_write(esw, 0, 22, 0x253f);
- /* set PLL/Receive bias current are calibrated */
- rt305x_mii_write(esw, 0, 27, 0x2fda);
- /* change PLL/Receive bias current to internal(RT3350) */
- rt305x_mii_write(esw, 0, 28, 0xc410);
- /* change PLL bias current to internal(RT3052_MP3) */
- rt305x_mii_write(esw, 0, 29, 0x598b);
- /* select local register */
- rt305x_mii_write(esw, 0, 31, 0x8000);
- } else if (ralink_soc == RT305X_SOC_RT5350) {
- /* reset EPHY */
- fe_reset(RT5350_RESET_EPHY);
-
- /* set the led polarity */
- esw_w32(esw, esw->reg_led_polarity & 0x1F,
- RT5350_EWS_REG_LED_POLARITY);
-
- /* local registers */
- rt305x_mii_write(esw, 0, 31, 0x8000);
- for (i = 0; i < 5; i++) {
- if (esw->ports[i].disable) {
- rt305x_mii_write(esw, i, MII_BMCR, BMCR_PDOWN);
- } else {
- rt305x_mii_write(esw, i, MII_BMCR,
- BMCR_FULLDPLX |
- BMCR_ANENABLE |
- BMCR_SPEED100);
- }
- /* TX10 waveform coefficient LSB=0 disable PHY */
- rt305x_mii_write(esw, i, 26, 0x1601);
- /* TX100/TX10 AD/DA current bias */
- rt305x_mii_write(esw, i, 29, 0x7015);
- /* TX100 slew rate control */
- rt305x_mii_write(esw, i, 30, 0x0038);
- }
-
- /* global registers */
- rt305x_mii_write(esw, 0, 31, 0x0);
- /* enlarge agcsel threshold 3 and threshold 2 */
- rt305x_mii_write(esw, 0, 1, 0x4a40);
- /* enlarge agcsel threshold 5 and threshold 4 */
- rt305x_mii_write(esw, 0, 2, 0x6254);
- /* enlarge agcsel threshold 6 */
- rt305x_mii_write(esw, 0, 3, 0xa17f);
- rt305x_mii_write(esw, 0, 12, 0x7eaa);
- /* longer TP_IDL tail length */
- rt305x_mii_write(esw, 0, 14, 0x65);
- /* increased squelch pulse count threshold. */
- rt305x_mii_write(esw, 0, 16, 0x0684);
- /* set TX10 signal amplitude threshold to minimum */
- rt305x_mii_write(esw, 0, 17, 0x0fe0);
- /* set squelch amplitude to higher threshold */
- rt305x_mii_write(esw, 0, 18, 0x40ba);
- /* tune TP_IDL tail and head waveform, enable power
- * down slew rate control
- */
- rt305x_mii_write(esw, 0, 22, 0x253f);
- /* set PLL/Receive bias current are calibrated */
- rt305x_mii_write(esw, 0, 27, 0x2fda);
- /* change PLL/Receive bias current to internal(RT3350) */
- rt305x_mii_write(esw, 0, 28, 0xc410);
- /* change PLL bias current to internal(RT3052_MP3) */
- rt305x_mii_write(esw, 0, 29, 0x598b);
- /* select local register */
- rt305x_mii_write(esw, 0, 31, 0x8000);
- } else if (ralink_soc == MT762X_SOC_MT7628AN || ralink_soc == MT762X_SOC_MT7688) {
- int i;
-
- /* reset EPHY */
- fe_reset(RT5350_RESET_EPHY);
-
- rt305x_mii_write(esw, 0, 31, 0x2000); /* change G2 page */
- rt305x_mii_write(esw, 0, 26, 0x0020);
-
- for (i = 0; i < 5; i++) {
- rt305x_mii_write(esw, i, 31, 0x8000);
- rt305x_mii_write(esw, i, 0, 0x3100);
- rt305x_mii_write(esw, i, 30, 0xa000);
- rt305x_mii_write(esw, i, 31, 0xa000);
- rt305x_mii_write(esw, i, 16, 0x0606);
- rt305x_mii_write(esw, i, 23, 0x0f0e);
- rt305x_mii_write(esw, i, 24, 0x1610);
- rt305x_mii_write(esw, i, 30, 0x1f15);
- rt305x_mii_write(esw, i, 28, 0x6111);
- rt305x_mii_write(esw, i, 31, 0x2000);
- rt305x_mii_write(esw, i, 26, 0x0000);
- }
-
- /* 100Base AOI setting */
- rt305x_mii_write(esw, 0, 31, 0x5000);
- rt305x_mii_write(esw, 0, 19, 0x004a);
- rt305x_mii_write(esw, 0, 20, 0x015a);
- rt305x_mii_write(esw, 0, 21, 0x00ee);
- rt305x_mii_write(esw, 0, 22, 0x0033);
- rt305x_mii_write(esw, 0, 23, 0x020a);
- rt305x_mii_write(esw, 0, 24, 0x0000);
- rt305x_mii_write(esw, 0, 25, 0x024a);
- rt305x_mii_write(esw, 0, 26, 0x035a);
- rt305x_mii_write(esw, 0, 27, 0x02ee);
- rt305x_mii_write(esw, 0, 28, 0x0233);
- rt305x_mii_write(esw, 0, 29, 0x000a);
- rt305x_mii_write(esw, 0, 30, 0x0000);
- } else {
- rt305x_mii_write(esw, 0, 31, 0x8000);
- for (i = 0; i < 5; i++) {
- if (esw->ports[i].disable) {
- rt305x_mii_write(esw, i, MII_BMCR, BMCR_PDOWN);
- } else {
- rt305x_mii_write(esw, i, MII_BMCR,
- BMCR_FULLDPLX |
- BMCR_ANENABLE |
- BMCR_SPEED100);
- }
- /* TX10 waveform coefficient */
- rt305x_mii_write(esw, i, 26, 0x1601);
- /* TX100/TX10 AD/DA current bias */
- rt305x_mii_write(esw, i, 29, 0x7058);
- /* TX100 slew rate control */
- rt305x_mii_write(esw, i, 30, 0x0018);
- }
-
- /* PHY IOT */
- /* select global register */
- rt305x_mii_write(esw, 0, 31, 0x0);
- /* tune TP_IDL tail and head waveform */
- rt305x_mii_write(esw, 0, 22, 0x052f);
- /* set TX10 signal amplitude threshold to minimum */
- rt305x_mii_write(esw, 0, 17, 0x0fe0);
- /* set squelch amplitude to higher threshold */
- rt305x_mii_write(esw, 0, 18, 0x40ba);
- /* longer TP_IDL tail length */
- rt305x_mii_write(esw, 0, 14, 0x65);
- /* select local register */
- rt305x_mii_write(esw, 0, 31, 0x8000);
- }
-
- if (esw->port_map)
- port_map = esw->port_map;
- else
- port_map = RT305X_ESW_PMAP_LLLLLL;
-
- /* Unused HW feature, but still nice to be consistent here...
- * This is also exported to userspace ('lan' attribute) so it's
- * conveniently usable to decide which ports go into the wan vlan by
- * default.
- */
- esw_rmw(esw, RT305X_ESW_REG_SGC2,
- RT305X_ESW_SGC2_LAN_PMAP_M << RT305X_ESW_SGC2_LAN_PMAP_S,
- port_map << RT305X_ESW_SGC2_LAN_PMAP_S);
-
- /* make the switch leds blink */
- for (i = 0; i < RT305X_ESW_NUM_LEDS; i++)
- esw->ports[i].led = 0x05;
-
- /* Apply the empty config. */
- esw_apply_config(&esw->swdev);
-
- /* Only unmask the port change interrupt */
- esw_w32(esw, ~RT305X_ESW_PORT_ST_CHG, RT305X_ESW_REG_IMR);
-}
-
-static irqreturn_t esw_interrupt(int irq, void *_esw)
-{
- struct rt305x_esw *esw = (struct rt305x_esw *)_esw;
- u32 status;
-
- status = esw_r32(esw, RT305X_ESW_REG_ISR);
- if (status & RT305X_ESW_PORT_ST_CHG) {
- u32 link = esw_r32(esw, RT305X_ESW_REG_POA);
-
- link >>= RT305X_ESW_POA_LINK_SHIFT;
- link &= RT305X_ESW_POA_LINK_MASK;
- dev_info(esw->dev, "link changed 0x%02X\n", link);
- }
- esw_w32(esw, status, RT305X_ESW_REG_ISR);
-
- return IRQ_HANDLED;
-}
-
-static int esw_apply_config(struct switch_dev *dev)
-{
- struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
- int i;
- u8 disable = 0;
- u8 doubletag = 0;
- u8 en_vlan = 0;
- u8 untag = 0;
-
- for (i = 0; i < RT305X_ESW_NUM_VLANS; i++) {
- u32 vid, vmsc;
- if (esw->global_vlan_enable) {
- vid = esw->vlans[i].vid;
- vmsc = esw->vlans[i].ports;
- } else {
- vid = RT305X_ESW_VLAN_NONE;
- vmsc = RT305X_ESW_PORTS_NONE;
- }
- esw_set_vlan_id(esw, i, vid);
- esw_set_vmsc(esw, i, vmsc);
- }
-
- for (i = 0; i < RT305X_ESW_NUM_PORTS; i++) {
- u32 pvid;
- disable |= esw->ports[i].disable << i;
- if (esw->global_vlan_enable) {
- doubletag |= esw->ports[i].doubletag << i;
- en_vlan |= 1 << i;
- untag |= esw->ports[i].untag << i;
- pvid = esw->ports[i].pvid;
- } else {
- int x = esw->alt_vlan_disable ? 0 : 1;
- doubletag |= x << i;
- en_vlan |= x << i;
- untag |= x << i;
- pvid = 0;
- }
- esw_set_pvid(esw, i, pvid);
- if (i < RT305X_ESW_NUM_LEDS)
- esw_w32(esw, esw->ports[i].led,
- RT305X_ESW_REG_P0LED + 4*i);
- }
-
- esw_set_gsc(esw);
- esw_set_port_disable(esw, disable);
- esw_rmw(esw, RT305X_ESW_REG_SGC2,
- (RT305X_ESW_SGC2_DOUBLE_TAG_M <<
- RT305X_ESW_SGC2_DOUBLE_TAG_S),
- doubletag << RT305X_ESW_SGC2_DOUBLE_TAG_S);
- esw_rmw(esw, RT305X_ESW_REG_PFC1,
- RT305X_ESW_PFC1_EN_VLAN_M << RT305X_ESW_PFC1_EN_VLAN_S,
- en_vlan << RT305X_ESW_PFC1_EN_VLAN_S);
- esw_rmw(esw, RT305X_ESW_REG_POC2,
- RT305X_ESW_POC2_UNTAG_EN_M << RT305X_ESW_POC2_UNTAG_EN_S,
- untag << RT305X_ESW_POC2_UNTAG_EN_S);
-
- if (!esw->global_vlan_enable) {
- /*
- * Still need to put all ports into vlan 0 or they'll be
- * isolated.
- * NOTE: vlan 0 is special, no vlan tag is prepended
- */
- esw_set_vlan_id(esw, 0, 0);
- esw_set_vmsc(esw, 0, RT305X_ESW_PORTS_ALL);
- }
-
- return 0;
-}
-
-static int esw_reset_switch(struct switch_dev *dev)
-{
- struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
-
- esw->global_vlan_enable = 0;
- memset(esw->ports, 0, sizeof(esw->ports));
- memset(esw->vlans, 0, sizeof(esw->vlans));
- esw_hw_init(esw);
-
- return 0;
-}
-
-static int esw_get_vlan_enable(struct switch_dev *dev,
- const struct switch_attr *attr,
- struct switch_val *val)
-{
- struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
-
- val->value.i = esw->global_vlan_enable;
-
- return 0;
-}
-
-static int esw_set_vlan_enable(struct switch_dev *dev,
- const struct switch_attr *attr,
- struct switch_val *val)
-{
- struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
-
- esw->global_vlan_enable = val->value.i != 0;
-
- return 0;
-}
-
-static int esw_get_alt_vlan_disable(struct switch_dev *dev,
- const struct switch_attr *attr,
- struct switch_val *val)
-{
- struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
-
- val->value.i = esw->alt_vlan_disable;
-
- return 0;
-}
-
-static int esw_set_alt_vlan_disable(struct switch_dev *dev,
- const struct switch_attr *attr,
- struct switch_val *val)
-{
- struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
-
- esw->alt_vlan_disable = val->value.i != 0;
-
- return 0;
-}
-
-static int
-rt305x_esw_set_bc_status(struct switch_dev *dev,
- const struct switch_attr *attr,
- struct switch_val *val)
-{
- struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
-
- esw->bc_storm_protect = val->value.i & RT305X_ESW_GSC_BC_STROM_MASK;
-
- return 0;
-}
-
-static int
-rt305x_esw_get_bc_status(struct switch_dev *dev,
- const struct switch_attr *attr,
- struct switch_val *val)
-{
- struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
-
- val->value.i = esw->bc_storm_protect;
-
- return 0;
-}
-
-static int
-rt305x_esw_set_led_freq(struct switch_dev *dev,
- const struct switch_attr *attr,
- struct switch_val *val)
-{
- struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
-
- esw->led_frequency = val->value.i & RT305X_ESW_GSC_LED_FREQ_MASK;
-
- return 0;
-}
-
-static int
-rt305x_esw_get_led_freq(struct switch_dev *dev,
- const struct switch_attr *attr,
- struct switch_val *val)
-{
- struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
-
- val->value.i = esw->led_frequency;
-
- return 0;
-}
-
-static int esw_get_port_link(struct switch_dev *dev,
- int port,
- struct switch_port_link *link)
-{
- struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
- u32 speed, poa;
-
- if (port < 0 || port >= RT305X_ESW_NUM_PORTS)
- return -EINVAL;
-
- poa = esw_r32(esw, RT305X_ESW_REG_POA) >> port;
-
- link->link = (poa >> RT305X_ESW_LINK_S) & 1;
- link->duplex = (poa >> RT305X_ESW_DUPLEX_S) & 1;
- if (port < RT305X_ESW_NUM_LEDS) {
- speed = (poa >> RT305X_ESW_SPD_S) & 1;
- } else {
- if (port == RT305X_ESW_NUM_PORTS - 1)
- poa >>= 1;
- speed = (poa >> RT305X_ESW_SPD_S) & 3;
- }
- switch (speed) {
- case 0:
- link->speed = SWITCH_PORT_SPEED_10;
- break;
- case 1:
- link->speed = SWITCH_PORT_SPEED_100;
- break;
- case 2:
- case 3: /* forced gige speed can be 2 or 3 */
- link->speed = SWITCH_PORT_SPEED_1000;
- break;
- default:
- link->speed = SWITCH_PORT_SPEED_UNKNOWN;
- break;
- }
-
- return 0;
-}
-
-static int esw_get_port_bool(struct switch_dev *dev,
- const struct switch_attr *attr,
- struct switch_val *val)
-{
- struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
- int idx = val->port_vlan;
- u32 x, reg, shift;
-
- if (idx < 0 || idx >= RT305X_ESW_NUM_PORTS)
- return -EINVAL;
-
- switch (attr->id) {
- case RT305X_ESW_ATTR_PORT_DISABLE:
- reg = RT305X_ESW_REG_POC0;
- shift = RT305X_ESW_POC0_DIS_PORT_S;
- break;
- case RT305X_ESW_ATTR_PORT_DOUBLETAG:
- reg = RT305X_ESW_REG_SGC2;
- shift = RT305X_ESW_SGC2_DOUBLE_TAG_S;
- break;
- case RT305X_ESW_ATTR_PORT_UNTAG:
- reg = RT305X_ESW_REG_POC2;
- shift = RT305X_ESW_POC2_UNTAG_EN_S;
- break;
- case RT305X_ESW_ATTR_PORT_LAN:
- reg = RT305X_ESW_REG_SGC2;
- shift = RT305X_ESW_SGC2_LAN_PMAP_S;
- if (idx >= RT305X_ESW_NUM_LANWAN)
- return -EINVAL;
- break;
- default:
- return -EINVAL;
- }
-
- x = esw_r32(esw, reg);
- val->value.i = (x >> (idx + shift)) & 1;
-
- return 0;
-}
-
-static int esw_set_port_bool(struct switch_dev *dev,
- const struct switch_attr *attr,
- struct switch_val *val)
-{
- struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
- int idx = val->port_vlan;
-
- if (idx < 0 || idx >= RT305X_ESW_NUM_PORTS ||
- val->value.i < 0 || val->value.i > 1)
- return -EINVAL;
-
- switch (attr->id) {
- case RT305X_ESW_ATTR_PORT_DISABLE:
- esw->ports[idx].disable = val->value.i;
- break;
- case RT305X_ESW_ATTR_PORT_DOUBLETAG:
- esw->ports[idx].doubletag = val->value.i;
- break;
- case RT305X_ESW_ATTR_PORT_UNTAG:
- esw->ports[idx].untag = val->value.i;
- break;
- default:
- return -EINVAL;
- }
-
- return 0;
-}
-
-static int esw_get_port_recv_badgood(struct switch_dev *dev,
- const struct switch_attr *attr,
- struct switch_val *val)
-{
- struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
- int idx = val->port_vlan;
- int shift = attr->id == RT305X_ESW_ATTR_PORT_RECV_GOOD ? 0 : 16;
- u32 reg;
-
- if (idx < 0 || idx >= RT305X_ESW_NUM_LANWAN)
- return -EINVAL;
- reg = esw_r32(esw, RT305X_ESW_REG_PXPC(idx));
- val->value.i = (reg >> shift) & 0xffff;
-
- return 0;
-}
-
-static int
-esw_get_port_tr_badgood(struct switch_dev *dev,
- const struct switch_attr *attr,
- struct switch_val *val)
-{
- struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
-
- int idx = val->port_vlan;
- int shift = attr->id == RT5350_ESW_ATTR_PORT_TR_GOOD ? 0 : 16;
- u32 reg;
-
- if ((ralink_soc != RT305X_SOC_RT5350) && (ralink_soc != MT762X_SOC_MT7628AN) && (ralink_soc != MT762X_SOC_MT7688))
- return -EINVAL;
-
- if (idx < 0 || idx >= RT305X_ESW_NUM_LANWAN)
- return -EINVAL;
-
- reg = esw_r32(esw, RT5350_ESW_REG_PXTPC(idx));
- val->value.i = (reg >> shift) & 0xffff;
-
- return 0;
-}
-
-static int esw_get_port_led(struct switch_dev *dev,
- const struct switch_attr *attr,
- struct switch_val *val)
-{
- struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
- int idx = val->port_vlan;
-
- if (idx < 0 || idx >= RT305X_ESW_NUM_PORTS ||
- idx >= RT305X_ESW_NUM_LEDS)
- return -EINVAL;
-
- val->value.i = esw_r32(esw, RT305X_ESW_REG_P0LED + 4*idx);
-
- return 0;
-}
-
-static int esw_set_port_led(struct switch_dev *dev,
- const struct switch_attr *attr,
- struct switch_val *val)
-{
- struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
- int idx = val->port_vlan;
-
- if (idx < 0 || idx >= RT305X_ESW_NUM_LEDS)
- return -EINVAL;
-
- esw->ports[idx].led = val->value.i;
-
- return 0;
-}
-
-static int esw_get_port_pvid(struct switch_dev *dev, int port, int *val)
-{
- struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
-
- if (port >= RT305X_ESW_NUM_PORTS)
- return -EINVAL;
-
- *val = esw_get_pvid(esw, port);
-
- return 0;
-}
-
-static int esw_set_port_pvid(struct switch_dev *dev, int port, int val)
-{
- struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
-
- if (port >= RT305X_ESW_NUM_PORTS)
- return -EINVAL;
-
- esw->ports[port].pvid = val;
-
- return 0;
-}
-
-static int esw_get_vlan_ports(struct switch_dev *dev, struct switch_val *val)
-{
- struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
- u32 vmsc, poc2;
- int vlan_idx = -1;
- int i;
-
- val->len = 0;
-
- if (val->port_vlan < 0 || val->port_vlan >= RT305X_ESW_NUM_VIDS)
- return -EINVAL;
-
- /* valid vlan? */
- for (i = 0; i < RT305X_ESW_NUM_VLANS; i++) {
- if (esw_get_vlan_id(esw, i) == val->port_vlan &&
- esw_get_vmsc(esw, i) != RT305X_ESW_PORTS_NONE) {
- vlan_idx = i;
- break;
- }
- }
-
- if (vlan_idx == -1)
- return -EINVAL;
-
- vmsc = esw_get_vmsc(esw, vlan_idx);
- poc2 = esw_r32(esw, RT305X_ESW_REG_POC2);
-
- for (i = 0; i < RT305X_ESW_NUM_PORTS; i++) {
- struct switch_port *p;
- int port_mask = 1 << i;
-
- if (!(vmsc & port_mask))
- continue;
-
- p = &val->value.ports[val->len++];
- p->id = i;
- if (poc2 & (port_mask << RT305X_ESW_POC2_UNTAG_EN_S))
- p->flags = 0;
- else
- p->flags = 1 << SWITCH_PORT_FLAG_TAGGED;
- }
-
- return 0;
-}
-
-static int esw_set_vlan_ports(struct switch_dev *dev, struct switch_val *val)
-{
- struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
- int ports;
- int vlan_idx = -1;
- int i;
-
- if (val->port_vlan < 0 || val->port_vlan >= RT305X_ESW_NUM_VIDS ||
- val->len > RT305X_ESW_NUM_PORTS)
- return -EINVAL;
-
- /* one of the already defined vlans? */
- for (i = 0; i < RT305X_ESW_NUM_VLANS; i++) {
- if (esw->vlans[i].vid == val->port_vlan &&
- esw->vlans[i].ports != RT305X_ESW_PORTS_NONE) {
- vlan_idx = i;
- break;
- }
- }
-
- /* select a free slot */
- for (i = 0; vlan_idx == -1 && i < RT305X_ESW_NUM_VLANS; i++) {
- if (esw->vlans[i].ports == RT305X_ESW_PORTS_NONE)
- vlan_idx = i;
- }
-
- /* bail if all slots are in use */
- if (vlan_idx == -1)
- return -EINVAL;
-
- ports = RT305X_ESW_PORTS_NONE;
- for (i = 0; i < val->len; i++) {
- struct switch_port *p = &val->value.ports[i];
- int port_mask = 1 << p->id;
- bool untagged = !(p->flags & (1 << SWITCH_PORT_FLAG_TAGGED));
-
- if (p->id >= RT305X_ESW_NUM_PORTS)
- return -EINVAL;
-
- ports |= port_mask;
- esw->ports[p->id].untag = untagged;
- }
- esw->vlans[vlan_idx].ports = ports;
- if (ports == RT305X_ESW_PORTS_NONE)
- esw->vlans[vlan_idx].vid = RT305X_ESW_VLAN_NONE;
- else
- esw->vlans[vlan_idx].vid = val->port_vlan;
-
- return 0;
-}
-
-static const struct switch_attr esw_global[] = {
- {
- .type = SWITCH_TYPE_INT,
- .name = "enable_vlan",
- .description = "VLAN mode (1:enabled)",
- .max = 1,
- .id = RT305X_ESW_ATTR_ENABLE_VLAN,
- .get = esw_get_vlan_enable,
- .set = esw_set_vlan_enable,
- },
- {
- .type = SWITCH_TYPE_INT,
- .name = "alternate_vlan_disable",
- .description = "Use en_vlan instead of doubletag to disable"
- " VLAN mode",
- .max = 1,
- .id = RT305X_ESW_ATTR_ALT_VLAN_DISABLE,
- .get = esw_get_alt_vlan_disable,
- .set = esw_set_alt_vlan_disable,
- },
- {
- .type = SWITCH_TYPE_INT,
- .name = "bc_storm_protect",
- .description = "Global broadcast storm protection (0:Disable, 1:64 blocks, 2:96 blocks, 3:128 blocks)",
- .max = 3,
- .id = RT305X_ESW_ATTR_BC_STATUS,
- .get = rt305x_esw_get_bc_status,
- .set = rt305x_esw_set_bc_status,
- },
- {
- .type = SWITCH_TYPE_INT,
- .name = "led_frequency",
- .description = "LED Flash frequency (0:30mS, 1:60mS, 2:240mS, 3:480mS)",
- .max = 3,
- .id = RT305X_ESW_ATTR_LED_FREQ,
- .get = rt305x_esw_get_led_freq,
- .set = rt305x_esw_set_led_freq,
- }
-};
-
-static const struct switch_attr esw_port[] = {
- {
- .type = SWITCH_TYPE_INT,
- .name = "disable",
- .description = "Port state (1:disabled)",
- .max = 1,
- .id = RT305X_ESW_ATTR_PORT_DISABLE,
- .get = esw_get_port_bool,
- .set = esw_set_port_bool,
- },
- {
- .type = SWITCH_TYPE_INT,
- .name = "doubletag",
- .description = "Double tagging for incoming vlan packets "
- "(1:enabled)",
- .max = 1,
- .id = RT305X_ESW_ATTR_PORT_DOUBLETAG,
- .get = esw_get_port_bool,
- .set = esw_set_port_bool,
- },
- {
- .type = SWITCH_TYPE_INT,
- .name = "untag",
- .description = "Untag (1:strip outgoing vlan tag)",
- .max = 1,
- .id = RT305X_ESW_ATTR_PORT_UNTAG,
- .get = esw_get_port_bool,
- .set = esw_set_port_bool,
- },
- {
- .type = SWITCH_TYPE_INT,
- .name = "led",
- .description = "LED mode (0:link, 1:100m, 2:duplex, 3:activity,"
- " 4:collision, 5:linkact, 6:duplcoll, 7:10mact,"
- " 8:100mact, 10:blink, 11:off, 12:on)",
- .max = 15,
- .id = RT305X_ESW_ATTR_PORT_LED,
- .get = esw_get_port_led,
- .set = esw_set_port_led,
- },
- {
- .type = SWITCH_TYPE_INT,
- .name = "lan",
- .description = "HW port group (0:wan, 1:lan)",
- .max = 1,
- .id = RT305X_ESW_ATTR_PORT_LAN,
- .get = esw_get_port_bool,
- },
- {
- .type = SWITCH_TYPE_INT,
- .name = "recv_bad",
- .description = "Receive bad packet counter",
- .id = RT305X_ESW_ATTR_PORT_RECV_BAD,
- .get = esw_get_port_recv_badgood,
- },
- {
- .type = SWITCH_TYPE_INT,
- .name = "recv_good",
- .description = "Receive good packet counter",
- .id = RT305X_ESW_ATTR_PORT_RECV_GOOD,
- .get = esw_get_port_recv_badgood,
- },
- {
- .type = SWITCH_TYPE_INT,
- .name = "tr_bad",
-
- .description = "Transmit bad packet counter. rt5350 only",
- .id = RT5350_ESW_ATTR_PORT_TR_BAD,
- .get = esw_get_port_tr_badgood,
- },
- {
- .type = SWITCH_TYPE_INT,
- .name = "tr_good",
-
- .description = "Transmit good packet counter. rt5350 only",
- .id = RT5350_ESW_ATTR_PORT_TR_GOOD,
- .get = esw_get_port_tr_badgood,
- },
-};
-
-static const struct switch_attr esw_vlan[] = {
-};
-
-static const struct switch_dev_ops esw_ops = {
- .attr_global = {
- .attr = esw_global,
- .n_attr = ARRAY_SIZE(esw_global),
- },
- .attr_port = {
- .attr = esw_port,
- .n_attr = ARRAY_SIZE(esw_port),
- },
- .attr_vlan = {
- .attr = esw_vlan,
- .n_attr = ARRAY_SIZE(esw_vlan),
- },
- .get_vlan_ports = esw_get_vlan_ports,
- .set_vlan_ports = esw_set_vlan_ports,
- .get_port_pvid = esw_get_port_pvid,
- .set_port_pvid = esw_set_port_pvid,
- .get_port_link = esw_get_port_link,
- .apply_config = esw_apply_config,
- .reset_switch = esw_reset_switch,
-};
-
-static int esw_probe(struct platform_device *pdev)
-{
- struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- struct device_node *np = pdev->dev.of_node;
- const __be32 *port_map, *port_disable, *reg_init;
- struct switch_dev *swdev;
- struct rt305x_esw *esw;
- int ret;
-
- esw = devm_kzalloc(&pdev->dev, sizeof(*esw), GFP_KERNEL);
- if (!esw)
- return -ENOMEM;
-
- esw->dev = &pdev->dev;
- esw->irq = irq_of_parse_and_map(np, 0);
- esw->base = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(esw->base))
- return PTR_ERR(esw->base);
-
- port_map = of_get_property(np, "mediatek,portmap", NULL);
- if (port_map)
- esw->port_map = be32_to_cpu(*port_map);
-
- port_disable = of_get_property(np, "mediatek,portdisable", NULL);
- if (port_disable)
- esw->port_disable = be32_to_cpu(*port_disable);
-
- reg_init = of_get_property(np, "ralink,fct2", NULL);
- if (reg_init)
- esw->reg_initval_fct2 = be32_to_cpu(*reg_init);
-
- reg_init = of_get_property(np, "ralink,fpa2", NULL);
- if (reg_init)
- esw->reg_initval_fpa2 = be32_to_cpu(*reg_init);
-
- reg_init = of_get_property(np, "mediatek,led_polarity", NULL);
- if (reg_init)
- esw->reg_led_polarity = be32_to_cpu(*reg_init);
-
- swdev = &esw->swdev;
- swdev->of_node = pdev->dev.of_node;
- swdev->name = "rt305x-esw";
- swdev->alias = "rt305x";
- swdev->cpu_port = RT305X_ESW_PORT6;
- swdev->ports = RT305X_ESW_NUM_PORTS;
- swdev->vlans = RT305X_ESW_NUM_VIDS;
- swdev->ops = &esw_ops;
-
- ret = register_switch(swdev, NULL);
- if (ret < 0) {
- dev_err(&pdev->dev, "register_switch failed\n");
- return ret;
- }
-
- platform_set_drvdata(pdev, esw);
-
- spin_lock_init(&esw->reg_rw_lock);
-
- esw_hw_init(esw);
-
- reg_init = of_get_property(np, "ralink,rgmii", NULL);
- if (reg_init && be32_to_cpu(*reg_init) == 1) {
- /*
- * External switch connected to RGMII interface.
- * Unregister the switch device after initialization.
- */
- dev_err(&pdev->dev, "RGMII mode, not exporting switch device.\n");
- unregister_switch(&esw->swdev);
- platform_set_drvdata(pdev, NULL);
- return -ENODEV;
- }
-
- ret = devm_request_irq(&pdev->dev, esw->irq, esw_interrupt, 0, "esw",
- esw);
-
- if (!ret) {
- esw_w32(esw, RT305X_ESW_PORT_ST_CHG, RT305X_ESW_REG_ISR);
- esw_w32(esw, ~RT305X_ESW_PORT_ST_CHG, RT305X_ESW_REG_IMR);
- }
-
- return ret;
-}
-
-static int esw_remove(struct platform_device *pdev)
-{
- struct rt305x_esw *esw = platform_get_drvdata(pdev);
-
- if (esw) {
- esw_w32(esw, ~0, RT305X_ESW_REG_IMR);
- platform_set_drvdata(pdev, NULL);
- }
-
- return 0;
-}
-
-static const struct of_device_id ralink_esw_match[] = {
- { .compatible = "ralink,rt3050-esw" },
- {},
-};
-MODULE_DEVICE_TABLE(of, ralink_esw_match);
-
-static struct platform_driver esw_driver = {
- .probe = esw_probe,
- .remove = esw_remove,
- .driver = {
- .name = "rt3050-esw",
- .owner = THIS_MODULE,
- .of_match_table = ralink_esw_match,
- },
-};
-
-module_platform_driver(esw_driver);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
-MODULE_DESCRIPTION("Switch driver for RT305X SoC");
-MODULE_VERSION(MTK_FE_DRV_VERSION);
+++ /dev/null
-/* This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
- * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
- * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
- */
-
-#ifndef _RALINK_ESW_RT3052_H__
-#define _RALINK_ESW_RT3052_H__
-
-#ifdef CONFIG_NET_MEDIATEK_ESW_RT3052
-
-int __init mtk_switch_init(void);
-void mtk_switch_exit(void);
-
-#else
-
-static inline int __init mtk_switch_init(void) { return 0; }
-static inline void mtk_switch_exit(void) { }
-
-#endif
-#endif
+++ /dev/null
-/* This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
- * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
- * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
- */
-
-#include "mtk_eth_soc.h"
-
-static const char fe_gdma_str[][ETH_GSTRING_LEN] = {
-#define _FE(x...) # x,
-FE_STAT_REG_DECLARE
-#undef _FE
-};
-
-static int fe_get_link_ksettings(struct net_device *ndev,
- struct ethtool_link_ksettings *cmd)
-{
- struct fe_priv *priv = netdev_priv(ndev);
-
- if (!priv->phy_dev)
- return -ENODEV;
-
- if (priv->phy_flags == FE_PHY_FLAG_ATTACH) {
- if (phy_read_status(priv->phy_dev))
- return -ENODEV;
- }
-
- phy_ethtool_ksettings_get(ndev->phydev, cmd);
-
- return 0;
-}
-
-static int fe_set_link_ksettings(struct net_device *ndev,
- const struct ethtool_link_ksettings *cmd)
-{
- struct fe_priv *priv = netdev_priv(ndev);
-
- if (!priv->phy_dev)
- goto out_sset;
-
- if (cmd->base.phy_address != priv->phy_dev->mdio.addr) {
- if (priv->phy->phy_node[cmd->base.phy_address]) {
- priv->phy_dev = priv->phy->phy[cmd->base.phy_address];
- priv->phy_flags = FE_PHY_FLAG_PORT;
- } else if (priv->mii_bus && mdiobus_get_phy(priv->mii_bus, cmd->base.phy_address)) {
- priv->phy_dev = mdiobus_get_phy(priv->mii_bus, cmd->base.phy_address);
- priv->phy_flags = FE_PHY_FLAG_ATTACH;
- } else {
- goto out_sset;
- }
- }
-
- return phy_ethtool_ksettings_set(ndev->phydev, cmd);
-
-out_sset:
- return -ENODEV;
-}
-
-static void fe_get_drvinfo(struct net_device *dev,
- struct ethtool_drvinfo *info)
-{
- struct fe_priv *priv = netdev_priv(dev);
- struct fe_soc_data *soc = priv->soc;
-
- strlcpy(info->driver, priv->dev->driver->name, sizeof(info->driver));
- strlcpy(info->version, MTK_FE_DRV_VERSION, sizeof(info->version));
- strlcpy(info->bus_info, dev_name(priv->dev), sizeof(info->bus_info));
-
- if (soc->reg_table[FE_REG_FE_COUNTER_BASE])
- info->n_stats = ARRAY_SIZE(fe_gdma_str);
-}
-
-static u32 fe_get_msglevel(struct net_device *dev)
-{
- struct fe_priv *priv = netdev_priv(dev);
-
- return priv->msg_enable;
-}
-
-static void fe_set_msglevel(struct net_device *dev, u32 value)
-{
- struct fe_priv *priv = netdev_priv(dev);
-
- priv->msg_enable = value;
-}
-
-static int fe_nway_reset(struct net_device *dev)
-{
- struct fe_priv *priv = netdev_priv(dev);
-
- if (!priv->phy_dev)
- goto out_nway_reset;
-
- return genphy_restart_aneg(priv->phy_dev);
-
-out_nway_reset:
- return -EOPNOTSUPP;
-}
-
-static u32 fe_get_link(struct net_device *dev)
-{
- struct fe_priv *priv = netdev_priv(dev);
- int err;
-
- if (!priv->phy_dev)
- goto out_get_link;
-
- if (priv->phy_flags == FE_PHY_FLAG_ATTACH) {
- err = genphy_update_link(priv->phy_dev);
- if (err)
- goto out_get_link;
- }
-
- return priv->phy_dev->link;
-
-out_get_link:
- return ethtool_op_get_link(dev);
-}
-
-static int fe_set_ringparam(struct net_device *dev,
- struct ethtool_ringparam *ring)
-{
- struct fe_priv *priv = netdev_priv(dev);
-
- if ((ring->tx_pending < 2) ||
- (ring->rx_pending < 2) ||
- (ring->rx_pending > MAX_DMA_DESC) ||
- (ring->tx_pending > MAX_DMA_DESC))
- return -EINVAL;
-
- dev->netdev_ops->ndo_stop(dev);
-
- priv->tx_ring.tx_ring_size = BIT(fls(ring->tx_pending) - 1);
- priv->rx_ring.rx_ring_size = BIT(fls(ring->rx_pending) - 1);
-
- dev->netdev_ops->ndo_open(dev);
-
- return 0;
-}
-
-static void fe_get_ringparam(struct net_device *dev,
- struct ethtool_ringparam *ring)
-{
- struct fe_priv *priv = netdev_priv(dev);
-
- ring->rx_max_pending = MAX_DMA_DESC;
- ring->tx_max_pending = MAX_DMA_DESC;
- ring->rx_pending = priv->rx_ring.rx_ring_size;
- ring->tx_pending = priv->tx_ring.tx_ring_size;
-}
-
-static void fe_get_strings(struct net_device *dev, u32 stringset, u8 *data)
-{
- switch (stringset) {
- case ETH_SS_STATS:
- memcpy(data, *fe_gdma_str, sizeof(fe_gdma_str));
- break;
- }
-}
-
-static int fe_get_sset_count(struct net_device *dev, int sset)
-{
- switch (sset) {
- case ETH_SS_STATS:
- return ARRAY_SIZE(fe_gdma_str);
- default:
- return -EOPNOTSUPP;
- }
-}
-
-static void fe_get_ethtool_stats(struct net_device *dev,
- struct ethtool_stats *stats, u64 *data)
-{
- struct fe_priv *priv = netdev_priv(dev);
- struct fe_hw_stats *hwstats = priv->hw_stats;
- u64 *data_src, *data_dst;
- unsigned int start;
- int i;
-
- if (netif_running(dev) && netif_device_present(dev)) {
- if (spin_trylock(&hwstats->stats_lock)) {
- fe_stats_update(priv);
- spin_unlock(&hwstats->stats_lock);
- }
- }
-
- do {
- data_src = &hwstats->tx_bytes;
- data_dst = data;
- start = u64_stats_fetch_begin_irq(&hwstats->syncp);
-
- for (i = 0; i < ARRAY_SIZE(fe_gdma_str); i++)
- *data_dst++ = *data_src++;
-
- } while (u64_stats_fetch_retry_irq(&hwstats->syncp, start));
-}
-
-static struct ethtool_ops fe_ethtool_ops = {
- .get_link_ksettings = fe_get_link_ksettings,
- .set_link_ksettings = fe_set_link_ksettings,
- .get_drvinfo = fe_get_drvinfo,
- .get_msglevel = fe_get_msglevel,
- .set_msglevel = fe_set_msglevel,
- .nway_reset = fe_nway_reset,
- .get_link = fe_get_link,
- .set_ringparam = fe_set_ringparam,
- .get_ringparam = fe_get_ringparam,
-};
-
-void fe_set_ethtool_ops(struct net_device *netdev)
-{
- struct fe_priv *priv = netdev_priv(netdev);
- struct fe_soc_data *soc = priv->soc;
-
- if (soc->reg_table[FE_REG_FE_COUNTER_BASE]) {
- fe_ethtool_ops.get_strings = fe_get_strings;
- fe_ethtool_ops.get_sset_count = fe_get_sset_count;
- fe_ethtool_ops.get_ethtool_stats = fe_get_ethtool_stats;
- }
-
- netdev->ethtool_ops = &fe_ethtool_ops;
-}
+++ /dev/null
-/* This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
- * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
- * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
- */
-
-#ifndef FE_ETHTOOL_H
-#define FE_ETHTOOL_H
-
-#include <linux/ethtool.h>
-
-void fe_set_ethtool_ops(struct net_device *netdev);
-
-#endif /* FE_ETHTOOL_H */
+++ /dev/null
-/* This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
- * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
- * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/platform_device.h>
-#include <linux/of_device.h>
-#include <linux/of_irq.h>
-
-#include <ralink_regs.h>
-
-#include "mtk_eth_soc.h"
-#include "gsw_mt7620.h"
-
-void mtk_switch_w32(struct mt7620_gsw *gsw, u32 val, unsigned reg)
-{
- iowrite32(val, gsw->base + reg);
-}
-
-u32 mtk_switch_r32(struct mt7620_gsw *gsw, unsigned reg)
-{
- return ioread32(gsw->base + reg);
-}
-
-static irqreturn_t gsw_interrupt_mt7620(int irq, void *_priv)
-{
- struct fe_priv *priv = (struct fe_priv *)_priv;
- struct mt7620_gsw *gsw = (struct mt7620_gsw *)priv->soc->swpriv;
- u32 status;
- int i, max = (gsw->port4 == PORT4_EPHY) ? (4) : (3);
-
- status = mtk_switch_r32(gsw, GSW_REG_ISR);
- if (status & PORT_IRQ_ST_CHG)
- for (i = 0; i <= max; i++) {
- u32 status = mtk_switch_r32(gsw, GSW_REG_PORT_STATUS(i));
- int link = status & 0x1;
-
- if (link != priv->link[i])
- mt7620_print_link_state(priv, i, link,
- (status >> 2) & 3,
- (status & 0x2));
-
- priv->link[i] = link;
- }
- mt7620_handle_carrier(priv);
- mtk_switch_w32(gsw, status, GSW_REG_ISR);
-
- return IRQ_HANDLED;
-}
-
-static void mt7620_hw_init(struct mt7620_gsw *gsw, struct device_node *np)
-{
- u32 is_BGA = (rt_sysc_r32(0x0c) >> 16) & 1;
-
- rt_sysc_w32(rt_sysc_r32(SYSC_REG_CFG1) | BIT(8), SYSC_REG_CFG1);
- mtk_switch_w32(gsw, mtk_switch_r32(gsw, GSW_REG_CKGCR) & ~(0x3 << 4), GSW_REG_CKGCR);
-
- /* Enable MIB stats */
- mtk_switch_w32(gsw, mtk_switch_r32(gsw, GSW_REG_MIB_CNT_EN) | (1 << 1), GSW_REG_MIB_CNT_EN);
-
- if (of_property_read_bool(np, "mediatek,mt7530")) {
- u32 val;
-
- /* turn off ephy and set phy base addr to 12 */
- mtk_switch_w32(gsw, mtk_switch_r32(gsw, GSW_REG_GPC1) |
- (0x1f << 24) | (0xc << 16),
- GSW_REG_GPC1);
-
- /* set MT7530 central align */
- val = mt7530_mdio_r32(gsw, 0x7830);
- val &= ~BIT(0);
- val |= BIT(1);
- mt7530_mdio_w32(gsw, 0x7830, val);
-
- val = mt7530_mdio_r32(gsw, 0x7a40);
- val &= ~BIT(30);
- mt7530_mdio_w32(gsw, 0x7a40, val);
-
- mt7530_mdio_w32(gsw, 0x7a78, 0x855);
- } else {
- /* global page 4 */
- _mt7620_mii_write(gsw, 1, 31, 0x4000);
-
- _mt7620_mii_write(gsw, 1, 17, 0x7444);
- if (is_BGA)
- _mt7620_mii_write(gsw, 1, 19, 0x0114);
- else
- _mt7620_mii_write(gsw, 1, 19, 0x0117);
-
- _mt7620_mii_write(gsw, 1, 22, 0x10cf);
- _mt7620_mii_write(gsw, 1, 25, 0x6212);
- _mt7620_mii_write(gsw, 1, 26, 0x0777);
- _mt7620_mii_write(gsw, 1, 29, 0x4000);
- _mt7620_mii_write(gsw, 1, 28, 0xc077);
- _mt7620_mii_write(gsw, 1, 24, 0x0000);
-
- /* global page 3 */
- _mt7620_mii_write(gsw, 1, 31, 0x3000);
- _mt7620_mii_write(gsw, 1, 17, 0x4838);
-
- /* global page 2 */
- _mt7620_mii_write(gsw, 1, 31, 0x2000);
- if (is_BGA) {
- _mt7620_mii_write(gsw, 1, 21, 0x0515);
- _mt7620_mii_write(gsw, 1, 22, 0x0053);
- _mt7620_mii_write(gsw, 1, 23, 0x00bf);
- _mt7620_mii_write(gsw, 1, 24, 0x0aaf);
- _mt7620_mii_write(gsw, 1, 25, 0x0fad);
- _mt7620_mii_write(gsw, 1, 26, 0x0fc1);
- } else {
- _mt7620_mii_write(gsw, 1, 21, 0x0517);
- _mt7620_mii_write(gsw, 1, 22, 0x0fd2);
- _mt7620_mii_write(gsw, 1, 23, 0x00bf);
- _mt7620_mii_write(gsw, 1, 24, 0x0aab);
- _mt7620_mii_write(gsw, 1, 25, 0x00ae);
- _mt7620_mii_write(gsw, 1, 26, 0x0fff);
- }
- /* global page 1 */
- _mt7620_mii_write(gsw, 1, 31, 0x1000);
- _mt7620_mii_write(gsw, 1, 17, 0xe7f8);
- }
-
- /* global page 0 */
- _mt7620_mii_write(gsw, 1, 31, 0x8000);
- _mt7620_mii_write(gsw, 0, 30, 0xa000);
- _mt7620_mii_write(gsw, 1, 30, 0xa000);
- _mt7620_mii_write(gsw, 2, 30, 0xa000);
- _mt7620_mii_write(gsw, 3, 30, 0xa000);
-
- _mt7620_mii_write(gsw, 0, 4, 0x05e1);
- _mt7620_mii_write(gsw, 1, 4, 0x05e1);
- _mt7620_mii_write(gsw, 2, 4, 0x05e1);
- _mt7620_mii_write(gsw, 3, 4, 0x05e1);
-
- /* global page 2 */
- _mt7620_mii_write(gsw, 1, 31, 0xa000);
- _mt7620_mii_write(gsw, 0, 16, 0x1111);
- _mt7620_mii_write(gsw, 1, 16, 0x1010);
- _mt7620_mii_write(gsw, 2, 16, 0x1515);
- _mt7620_mii_write(gsw, 3, 16, 0x0f0f);
-
- /* CPU Port6 Force Link 1G, FC ON */
- mtk_switch_w32(gsw, 0x5e33b, GSW_REG_PORT_PMCR(6));
-
- /* Set Port 6 as CPU Port */
- mtk_switch_w32(gsw, 0x7f7f7fe0, 0x0010);
-
- /* setup port 4 */
- if (gsw->port4 == PORT4_EPHY) {
- u32 val = rt_sysc_r32(SYSC_REG_CFG1);
-
- val |= 3 << 14;
- rt_sysc_w32(val, SYSC_REG_CFG1);
- _mt7620_mii_write(gsw, 4, 30, 0xa000);
- _mt7620_mii_write(gsw, 4, 4, 0x05e1);
- _mt7620_mii_write(gsw, 4, 16, 0x1313);
- _mt7620_mii_write(gsw, 4, 0, 0x3100);
- pr_info("gsw: setting port4 to ephy mode\n");
- }
-}
-
-static const struct of_device_id mediatek_gsw_match[] = {
- { .compatible = "mediatek,mt7620-gsw" },
- {},
-};
-MODULE_DEVICE_TABLE(of, mediatek_gsw_match);
-
-int mtk_gsw_init(struct fe_priv *priv)
-{
- struct device_node *np = priv->switch_np;
- struct platform_device *pdev = of_find_device_by_node(np);
- struct mt7620_gsw *gsw;
-
- if (!pdev)
- return -ENODEV;
-
- if (!of_device_is_compatible(np, mediatek_gsw_match->compatible))
- return -EINVAL;
-
- gsw = platform_get_drvdata(pdev);
- priv->soc->swpriv = gsw;
-
- mt7620_hw_init(gsw, np);
-
- if (gsw->irq) {
- request_irq(gsw->irq, gsw_interrupt_mt7620, 0,
- "gsw", priv);
- mtk_switch_w32(gsw, ~PORT_IRQ_ST_CHG, GSW_REG_IMR);
- }
-
- return 0;
-}
-
-static int mt7620_gsw_probe(struct platform_device *pdev)
-{
- struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- const char *port4 = NULL;
- struct mt7620_gsw *gsw;
- struct device_node *np = pdev->dev.of_node;
-
- gsw = devm_kzalloc(&pdev->dev, sizeof(struct mt7620_gsw), GFP_KERNEL);
- if (!gsw)
- return -ENOMEM;
-
- gsw->base = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(gsw->base))
- return PTR_ERR(gsw->base);
-
- gsw->dev = &pdev->dev;
-
- of_property_read_string(np, "mediatek,port4", &port4);
- if (port4 && !strcmp(port4, "ephy"))
- gsw->port4 = PORT4_EPHY;
- else if (port4 && !strcmp(port4, "gmac"))
- gsw->port4 = PORT4_EXT;
- else
- gsw->port4 = PORT4_EPHY;
-
- gsw->irq = platform_get_irq(pdev, 0);
-
- platform_set_drvdata(pdev, gsw);
-
- return 0;
-}
-
-static int mt7620_gsw_remove(struct platform_device *pdev)
-{
- platform_set_drvdata(pdev, NULL);
-
- return 0;
-}
-
-static struct platform_driver gsw_driver = {
- .probe = mt7620_gsw_probe,
- .remove = mt7620_gsw_remove,
- .driver = {
- .name = "mt7620-gsw",
- .owner = THIS_MODULE,
- .of_match_table = mediatek_gsw_match,
- },
-};
-
-module_platform_driver(gsw_driver);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
-MODULE_DESCRIPTION("GBit switch driver for Mediatek MT7620 SoC");
-MODULE_VERSION(MTK_FE_DRV_VERSION);
+++ /dev/null
-/* This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
- * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
- * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
- */
-
-#ifndef _RALINK_GSW_MT7620_H__
-#define _RALINK_GSW_MT7620_H__
-
-#define GSW_REG_PHY_TIMEOUT (5 * HZ)
-
-#ifdef CONFIG_SOC_MT7621
-#define MT7620A_GSW_REG_PIAC 0x0004
-#else
-#define MT7620A_GSW_REG_PIAC 0x7004
-#endif
-
-#define GSW_NUM_VLANS 16
-#define GSW_NUM_VIDS 4096
-#define GSW_NUM_PORTS 7
-#define GSW_PORT6 6
-
-#define GSW_MDIO_ACCESS BIT(31)
-#define GSW_MDIO_READ BIT(19)
-#define GSW_MDIO_WRITE BIT(18)
-#define GSW_MDIO_START BIT(16)
-#define GSW_MDIO_ADDR_SHIFT 20
-#define GSW_MDIO_REG_SHIFT 25
-
-#define GSW_REG_MIB_CNT_EN 0x4000
-
-#define GSW_REG_PORT_PMCR(x) (0x3000 + (x * 0x100))
-#define GSW_REG_PORT_STATUS(x) (0x3008 + (x * 0x100))
-#define GSW_REG_SMACCR0 0x3fE4
-#define GSW_REG_SMACCR1 0x3fE8
-#define GSW_REG_CKGCR 0x3ff0
-
-#define GSW_REG_IMR 0x7008
-#define GSW_REG_ISR 0x700c
-#define GSW_REG_GPC1 0x7014
-
-#define GSW_REG_MAC_P0_MCR 0x100
-#define GSW_REG_MAC_P1_MCR 0x200
-
-// Global MAC control register
-#define GSW_REG_GMACCR 0x30E0
-
-#define SYSC_REG_CHIP_REV_ID 0x0c
-#define SYSC_REG_CFG1 0x14
-#define RST_CTRL_MCM BIT(2)
-#define SYSC_PAD_RGMII2_MDIO 0x58
-#define SYSC_GPIO_MODE 0x60
-
-#define PORT_IRQ_ST_CHG 0x7f
-
-#ifdef CONFIG_SOC_MT7621
-#define ESW_PHY_POLLING 0x0000
-#else
-#define ESW_PHY_POLLING 0x7000
-#endif
-
-#define PMCR_IPG BIT(18)
-#define PMCR_MAC_MODE BIT(16)
-#define PMCR_FORCE BIT(15)
-#define PMCR_TX_EN BIT(14)
-#define PMCR_RX_EN BIT(13)
-#define PMCR_BACKOFF BIT(9)
-#define PMCR_BACKPRES BIT(8)
-#define PMCR_RX_FC BIT(5)
-#define PMCR_TX_FC BIT(4)
-#define PMCR_SPEED(_x) (_x << 2)
-#define PMCR_DUPLEX BIT(1)
-#define PMCR_LINK BIT(0)
-
-#define PHY_AN_EN BIT(31)
-#define PHY_PRE_EN BIT(30)
-#define PMY_MDC_CONF(_x) ((_x & 0x3f) << 24)
-
-
-enum {
- /* Global attributes. */
- GSW_ATTR_ENABLE_VLAN,
- /* Port attributes. */
- GSW_ATTR_PORT_UNTAG,
-};
-
-enum {
- PORT4_EPHY = 0,
- PORT4_EXT,
-};
-
-struct mt7620_gsw {
- struct device *dev;
- void __iomem *base;
- int irq;
- int port4;
- unsigned long int autopoll;
-};
-
-void mtk_switch_w32(struct mt7620_gsw *gsw, u32 val, unsigned reg);
-u32 mtk_switch_r32(struct mt7620_gsw *gsw, unsigned reg);
-int mtk_gsw_init(struct fe_priv *priv);
-
-int mt7620_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val);
-int mt7620_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg);
-void mt7620_mdio_link_adjust(struct fe_priv *priv, int port);
-int mt7620_has_carrier(struct fe_priv *priv);
-void mt7620_print_link_state(struct fe_priv *priv, int port, int link,
- int speed, int duplex);
-
-void mt7530_mdio_w32(struct mt7620_gsw *gsw, u32 reg, u32 val);
-u32 mt7530_mdio_r32(struct mt7620_gsw *gsw, u32 reg);
-
-u32 _mt7620_mii_write(struct mt7620_gsw *gsw, u32 phy_addr,
- u32 phy_register, u32 write_data);
-u32 _mt7620_mii_read(struct mt7620_gsw *gsw, int phy_addr, int phy_reg);
-void mt7620_handle_carrier(struct fe_priv *priv);
-
-#endif
+++ /dev/null
-/* This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
- * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
- * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/platform_device.h>
-#include <linux/of_device.h>
-#include <linux/of_irq.h>
-
-#include <ralink_regs.h>
-
-#include "mtk_eth_soc.h"
-#include "gsw_mt7620.h"
-
-void mtk_switch_w32(struct mt7620_gsw *gsw, u32 val, unsigned reg)
-{
- iowrite32(val, gsw->base + reg);
-}
-
-u32 mtk_switch_r32(struct mt7620_gsw *gsw, unsigned reg)
-{
- return ioread32(gsw->base + reg);
-}
-
-static irqreturn_t gsw_interrupt_mt7621(int irq, void *_priv)
-{
- struct fe_priv *priv = (struct fe_priv *)_priv;
- struct mt7620_gsw *gsw = (struct mt7620_gsw *)priv->soc->swpriv;
- u32 reg, i;
-
- reg = mt7530_mdio_r32(gsw, 0x700c);
- mt7530_mdio_w32(gsw, 0x700c, reg);
-
- for (i = 0; i < 5; i++)
- if (reg & BIT(i)) {
- unsigned int link;
-
- link = mt7530_mdio_r32(gsw,
- 0x3008 + (i * 0x100)) & 0x1;
-
- if (link != priv->link[i]) {
- priv->link[i] = link;
- if (link)
- netdev_info(priv->netdev,
- "port %d link up\n", i);
- else
- netdev_info(priv->netdev,
- "port %d link down\n", i);
- }
- }
-
- mt7620_handle_carrier(priv);
-
- return IRQ_HANDLED;
-}
-
-static void mt7621_hw_init(struct mt7620_gsw *gsw, struct device_node *np)
-{
- u32 i;
- u32 val;
-
- /* wardware reset the switch */
- fe_reset(RST_CTRL_MCM);
- mdelay(10);
-
- /* reduce RGMII2 PAD driving strength */
- rt_sysc_m32(3 << 4, 0, SYSC_PAD_RGMII2_MDIO);
-
- /* gpio mux - RGMII1=Normal mode */
- rt_sysc_m32(BIT(14), 0, SYSC_GPIO_MODE);
-
- /* set GMAC1 RGMII mode */
- rt_sysc_m32(3 << 12, 0, SYSC_REG_CFG1);
-
- /* enable MDIO to control MT7530 */
- rt_sysc_m32(3 << 12, 0, SYSC_GPIO_MODE);
-
- /* turn off all PHYs */
- for (i = 0; i <= 4; i++) {
- val = _mt7620_mii_read(gsw, i, 0x0);
- val |= BIT(11);
- _mt7620_mii_write(gsw, i, 0x0, val);
- }
-
- /* reset the switch */
- mt7530_mdio_w32(gsw, 0x7000, 0x3);
- usleep_range(10, 20);
-
- if ((rt_sysc_r32(SYSC_REG_CHIP_REV_ID) & 0xFFFF) == 0x0101) {
- /* (GE1, Force 1000M/FD, FC ON, MAX_RX_LENGTH 1536) */
- mtk_switch_w32(gsw, 0x2305e30b, GSW_REG_MAC_P0_MCR);
- mt7530_mdio_w32(gsw, 0x3600, 0x5e30b);
- } else {
- /* (GE1, Force 1000M/FD, FC ON, MAX_RX_LENGTH 1536) */
- mtk_switch_w32(gsw, 0x2305e33b, GSW_REG_MAC_P0_MCR);
- mt7530_mdio_w32(gsw, 0x3600, 0x5e33b);
- }
-
- /* (GE2, Link down) */
- mtk_switch_w32(gsw, 0x8000, GSW_REG_MAC_P1_MCR);
-
- /* Set switch max RX frame length to 2k */
- mt7530_mdio_w32(gsw, GSW_REG_GMACCR, 0x3F0B);
-
- /* Enable Port 6, P5 as GMAC5, P5 disable */
- val = mt7530_mdio_r32(gsw, 0x7804);
- val &= ~BIT(8);
- val |= BIT(6) | BIT(13) | BIT(16);
- mt7530_mdio_w32(gsw, 0x7804, val);
-
- val = rt_sysc_r32(0x10);
- val = (val >> 6) & 0x7;
- if (val >= 6) {
- /* 25Mhz Xtal - do nothing */
- } else if (val >= 3) {
- /* 40Mhz */
-
- /* disable MT7530 core clock */
- _mt7620_mii_write(gsw, 0, 13, 0x1f);
- _mt7620_mii_write(gsw, 0, 14, 0x410);
- _mt7620_mii_write(gsw, 0, 13, 0x401f);
- _mt7620_mii_write(gsw, 0, 14, 0x0);
-
- /* disable MT7530 PLL */
- _mt7620_mii_write(gsw, 0, 13, 0x1f);
- _mt7620_mii_write(gsw, 0, 14, 0x40d);
- _mt7620_mii_write(gsw, 0, 13, 0x401f);
- _mt7620_mii_write(gsw, 0, 14, 0x2020);
-
- /* for MT7530 core clock = 500Mhz */
- _mt7620_mii_write(gsw, 0, 13, 0x1f);
- _mt7620_mii_write(gsw, 0, 14, 0x40e);
- _mt7620_mii_write(gsw, 0, 13, 0x401f);
- _mt7620_mii_write(gsw, 0, 14, 0x119);
-
- /* enable MT7530 PLL */
- _mt7620_mii_write(gsw, 0, 13, 0x1f);
- _mt7620_mii_write(gsw, 0, 14, 0x40d);
- _mt7620_mii_write(gsw, 0, 13, 0x401f);
- _mt7620_mii_write(gsw, 0, 14, 0x2820);
-
- usleep_range(20, 40);
-
- /* enable MT7530 core clock */
- _mt7620_mii_write(gsw, 0, 13, 0x1f);
- _mt7620_mii_write(gsw, 0, 14, 0x410);
- _mt7620_mii_write(gsw, 0, 13, 0x401f);
- } else {
- /* 20Mhz Xtal - TODO */
- }
-
- /* RGMII */
- _mt7620_mii_write(gsw, 0, 14, 0x1);
-
- /* set MT7530 central align */
- val = mt7530_mdio_r32(gsw, 0x7830);
- val &= ~BIT(0);
- val |= BIT(1);
- mt7530_mdio_w32(gsw, 0x7830, val);
- val = mt7530_mdio_r32(gsw, 0x7a40);
- val &= ~BIT(30);
- mt7530_mdio_w32(gsw, 0x7a40, val);
- mt7530_mdio_w32(gsw, 0x7a78, 0x855);
-
- /* delay setting for 10/1000M */
- mt7530_mdio_w32(gsw, 0x7b00, 0x102);
- mt7530_mdio_w32(gsw, 0x7b04, 0x14);
-
- /* lower Tx Driving*/
- mt7530_mdio_w32(gsw, 0x7a54, 0x44);
- mt7530_mdio_w32(gsw, 0x7a5c, 0x44);
- mt7530_mdio_w32(gsw, 0x7a64, 0x44);
- mt7530_mdio_w32(gsw, 0x7a6c, 0x44);
- mt7530_mdio_w32(gsw, 0x7a74, 0x44);
- mt7530_mdio_w32(gsw, 0x7a7c, 0x44);
-
- /* turn on all PHYs */
- for (i = 0; i <= 4; i++) {
- val = _mt7620_mii_read(gsw, i, 0);
- val &= ~BIT(11);
- _mt7620_mii_write(gsw, i, 0, val);
- }
-
- /* enable irq */
- mt7530_mdio_w32(gsw, 0x7008, 0x1f);
- val = mt7530_mdio_r32(gsw, 0x7808);
- val |= 3 << 16;
- mt7530_mdio_w32(gsw, 0x7808, val);
-}
-
-static const struct of_device_id mediatek_gsw_match[] = {
- { .compatible = "mediatek,mt7621-gsw" },
- {},
-};
-MODULE_DEVICE_TABLE(of, mediatek_gsw_match);
-
-int mtk_gsw_init(struct fe_priv *priv)
-{
- struct device_node *np = priv->switch_np;
- struct platform_device *pdev = of_find_device_by_node(np);
- struct mt7620_gsw *gsw;
-
- if (!pdev)
- return -ENODEV;
-
- if (!of_device_is_compatible(np, mediatek_gsw_match->compatible))
- return -EINVAL;
-
- gsw = platform_get_drvdata(pdev);
- priv->soc->swpriv = gsw;
-
- if (gsw->irq) {
- request_irq(gsw->irq, gsw_interrupt_mt7621, 0,
- "gsw", priv);
- disable_irq(gsw->irq);
- }
-
- mt7621_hw_init(gsw, np);
-
- if (gsw->irq)
- enable_irq(gsw->irq);
-
- return 0;
-}
-
-static int mt7621_gsw_probe(struct platform_device *pdev)
-{
- struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- struct mt7620_gsw *gsw;
-
- gsw = devm_kzalloc(&pdev->dev, sizeof(struct mt7620_gsw), GFP_KERNEL);
- if (!gsw)
- return -ENOMEM;
-
- gsw->base = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(gsw->base))
- return PTR_ERR(gsw->base);
-
- gsw->dev = &pdev->dev;
- gsw->irq = platform_get_irq(pdev, 0);
-
- platform_set_drvdata(pdev, gsw);
-
- return 0;
-}
-
-static int mt7621_gsw_remove(struct platform_device *pdev)
-{
- platform_set_drvdata(pdev, NULL);
-
- return 0;
-}
-
-static struct platform_driver gsw_driver = {
- .probe = mt7621_gsw_probe,
- .remove = mt7621_gsw_remove,
- .driver = {
- .name = "mt7621-gsw",
- .owner = THIS_MODULE,
- .of_match_table = mediatek_gsw_match,
- },
-};
-
-module_platform_driver(gsw_driver);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
-MODULE_DESCRIPTION("GBit switch driver for Mediatek MT7621 SoC");
-MODULE_VERSION(MTK_FE_DRV_VERSION);
+++ /dev/null
-/* This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License
- *
- * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
- * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
- * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/phy.h>
-#include <linux/of_net.h>
-#include <linux/of_mdio.h>
-
-#include "mtk_eth_soc.h"
-#include "mdio.h"
-
-static int fe_mdio_reset(struct mii_bus *bus)
-{
- /* TODO */
- return 0;
-}
-
-static void fe_phy_link_adjust(struct net_device *dev)
-{
- struct fe_priv *priv = netdev_priv(dev);
- unsigned long flags;
- int i;
-
- spin_lock_irqsave(&priv->phy->lock, flags);
- for (i = 0; i < 8; i++) {
- if (priv->phy->phy_node[i]) {
- struct phy_device *phydev = priv->phy->phy[i];
- int status_change = 0;
-
- if (phydev->link)
- if (priv->phy->duplex[i] != phydev->duplex ||
- priv->phy->speed[i] != phydev->speed)
- status_change = 1;
-
- if (phydev->link != priv->link[i])
- status_change = 1;
-
- switch (phydev->speed) {
- case SPEED_1000:
- case SPEED_100:
- case SPEED_10:
- priv->link[i] = phydev->link;
- priv->phy->duplex[i] = phydev->duplex;
- priv->phy->speed[i] = phydev->speed;
-
- if (status_change &&
- priv->soc->mdio_adjust_link)
- priv->soc->mdio_adjust_link(priv, i);
- break;
- }
- }
- }
- spin_unlock_irqrestore(&priv->phy->lock, flags);
-}
-
-int fe_connect_phy_node(struct fe_priv *priv, struct device_node *phy_node)
-{
- const __be32 *_port = NULL;
- struct phy_device *phydev;
- int phy_mode, port;
-
- _port = of_get_property(phy_node, "reg", NULL);
-
- if (!_port || (be32_to_cpu(*_port) >= 0x20)) {
- pr_err("%s: invalid port id\n", phy_node->name);
- return -EINVAL;
- }
- port = be32_to_cpu(*_port);
- phy_mode = of_get_phy_mode(phy_node);
- if (phy_mode < 0) {
- dev_err(priv->dev, "incorrect phy-mode %d\n", phy_mode);
- priv->phy->phy_node[port] = NULL;
- return -EINVAL;
- }
-
- phydev = of_phy_connect(priv->netdev, phy_node, fe_phy_link_adjust,
- 0, phy_mode);
- if (!phydev) {
- dev_err(priv->dev, "could not connect to PHY\n");
- priv->phy->phy_node[port] = NULL;
- return -ENODEV;
- }
-
- phydev->supported &= PHY_GBIT_FEATURES;
- phydev->advertising = phydev->supported;
- phydev->no_auto_carrier_off = 1;
-
- dev_info(priv->dev,
- "connected port %d to PHY at %s [uid=%08x, driver=%s]\n",
- port, dev_name(&phydev->mdio.dev), phydev->phy_id,
- phydev->drv->name);
-
- priv->phy->phy[port] = phydev;
- priv->link[port] = 0;
-
- return 0;
-}
-
-static void phy_init(struct fe_priv *priv, struct phy_device *phy)
-{
- phy_attach(priv->netdev, dev_name(&phy->mdio.dev), PHY_INTERFACE_MODE_MII);
-
- phy->autoneg = AUTONEG_ENABLE;
- phy->speed = 0;
- phy->duplex = 0;
- phy->supported &= IS_ENABLED(CONFIG_NET_MEDIATEK_MDIO_MT7620) ?
- PHY_GBIT_FEATURES : PHY_BASIC_FEATURES;
- phy->advertising = phy->supported | ADVERTISED_Autoneg;
-
- phy_start_aneg(phy);
-}
-
-static int fe_phy_connect(struct fe_priv *priv)
-{
- int i;
-
- for (i = 0; i < 8; i++) {
- if (priv->phy->phy_node[i]) {
- if (!priv->phy_dev) {
- priv->phy_dev = priv->phy->phy[i];
- priv->phy_flags = FE_PHY_FLAG_PORT;
- }
- } else if (priv->mii_bus && mdiobus_get_phy(priv->mii_bus, i)) {
- phy_init(priv, mdiobus_get_phy(priv->mii_bus, i));
- if (!priv->phy_dev) {
- priv->phy_dev = mdiobus_get_phy(priv->mii_bus, i);
- priv->phy_flags = FE_PHY_FLAG_ATTACH;
- }
- }
- }
-
- return 0;
-}
-
-static void fe_phy_disconnect(struct fe_priv *priv)
-{
- unsigned long flags;
- int i;
-
- for (i = 0; i < 8; i++)
- if (priv->phy->phy_fixed[i]) {
- spin_lock_irqsave(&priv->phy->lock, flags);
- priv->link[i] = 0;
- if (priv->soc->mdio_adjust_link)
- priv->soc->mdio_adjust_link(priv, i);
- spin_unlock_irqrestore(&priv->phy->lock, flags);
- } else if (priv->phy->phy[i]) {
- phy_disconnect(priv->phy->phy[i]);
- } else if (priv->mii_bus && mdiobus_get_phy(priv->mii_bus, i)) {
- phy_detach(mdiobus_get_phy(priv->mii_bus, i));
- }
-}
-
-static void fe_phy_start(struct fe_priv *priv)
-{
- unsigned long flags;
- int i;
-
- for (i = 0; i < 8; i++) {
- if (priv->phy->phy_fixed[i]) {
- spin_lock_irqsave(&priv->phy->lock, flags);
- priv->link[i] = 1;
- if (priv->soc->mdio_adjust_link)
- priv->soc->mdio_adjust_link(priv, i);
- spin_unlock_irqrestore(&priv->phy->lock, flags);
- } else if (priv->phy->phy[i]) {
- phy_start(priv->phy->phy[i]);
- }
- }
-}
-
-static void fe_phy_stop(struct fe_priv *priv)
-{
- unsigned long flags;
- int i;
-
- for (i = 0; i < 8; i++)
- if (priv->phy->phy_fixed[i]) {
- spin_lock_irqsave(&priv->phy->lock, flags);
- priv->link[i] = 0;
- if (priv->soc->mdio_adjust_link)
- priv->soc->mdio_adjust_link(priv, i);
- spin_unlock_irqrestore(&priv->phy->lock, flags);
- } else if (priv->phy->phy[i]) {
- phy_stop(priv->phy->phy[i]);
- }
-}
-
-static struct fe_phy phy_ralink = {
- .connect = fe_phy_connect,
- .disconnect = fe_phy_disconnect,
- .start = fe_phy_start,
- .stop = fe_phy_stop,
-};
-
-int fe_mdio_init(struct fe_priv *priv)
-{
- struct device_node *mii_np;
- int err;
-
- if (!priv->soc->mdio_read || !priv->soc->mdio_write)
- return 0;
-
- spin_lock_init(&phy_ralink.lock);
- priv->phy = &phy_ralink;
-
- mii_np = of_get_child_by_name(priv->dev->of_node, "mdio-bus");
- if (!mii_np) {
- dev_err(priv->dev, "no %s child node found", "mdio-bus");
- return -ENODEV;
- }
-
- if (!of_device_is_available(mii_np)) {
- err = 0;
- goto err_put_node;
- }
-
- priv->mii_bus = mdiobus_alloc();
- if (!priv->mii_bus) {
- err = -ENOMEM;
- goto err_put_node;
- }
-
- priv->mii_bus->name = "mdio";
- priv->mii_bus->read = priv->soc->mdio_read;
- priv->mii_bus->write = priv->soc->mdio_write;
- priv->mii_bus->reset = fe_mdio_reset;
- priv->mii_bus->priv = priv;
- priv->mii_bus->parent = priv->dev;
-
- snprintf(priv->mii_bus->id, MII_BUS_ID_SIZE, "%s", mii_np->name);
- err = of_mdiobus_register(priv->mii_bus, mii_np);
- if (err)
- goto err_free_bus;
-
- return 0;
-
-err_free_bus:
- kfree(priv->mii_bus);
-err_put_node:
- of_node_put(mii_np);
- priv->mii_bus = NULL;
- return err;
-}
-
-void fe_mdio_cleanup(struct fe_priv *priv)
-{
- if (!priv->mii_bus)
- return;
-
- mdiobus_unregister(priv->mii_bus);
- of_node_put(priv->mii_bus->dev.of_node);
- kfree(priv->mii_bus);
-}
+++ /dev/null
-/* This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
- * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
- * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
- */
-
-#ifndef _RALINK_MDIO_H__
-#define _RALINK_MDIO_H__
-
-#ifdef CONFIG_NET_MEDIATEK_MDIO
-int fe_mdio_init(struct fe_priv *priv);
-void fe_mdio_cleanup(struct fe_priv *priv);
-int fe_connect_phy_node(struct fe_priv *priv,
- struct device_node *phy_node);
-#else
-static inline int fe_mdio_init(struct fe_priv *priv) { return 0; }
-static inline void fe_mdio_cleanup(struct fe_priv *priv) {}
-#endif
-#endif
+++ /dev/null
-/* This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
- * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
- * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-
-#include "mtk_eth_soc.h"
-#include "gsw_mt7620.h"
-#include "mdio.h"
-
-static int mt7620_mii_busy_wait(struct mt7620_gsw *gsw)
-{
- unsigned long t_start = jiffies;
-
- while (1) {
- if (!(mtk_switch_r32(gsw, MT7620A_GSW_REG_PIAC) & GSW_MDIO_ACCESS))
- return 0;
- if (time_after(jiffies, t_start + GSW_REG_PHY_TIMEOUT))
- break;
- }
-
- dev_err(gsw->dev, "mdio: MDIO timeout\n");
- return -1;
-}
-
-u32 _mt7620_mii_write(struct mt7620_gsw *gsw, u32 phy_addr,
- u32 phy_register, u32 write_data)
-{
- if (mt7620_mii_busy_wait(gsw))
- return -1;
-
- write_data &= 0xffff;
-
- mtk_switch_w32(gsw, GSW_MDIO_ACCESS | GSW_MDIO_START | GSW_MDIO_WRITE |
- (phy_register << GSW_MDIO_REG_SHIFT) |
- (phy_addr << GSW_MDIO_ADDR_SHIFT) | write_data,
- MT7620A_GSW_REG_PIAC);
-
- if (mt7620_mii_busy_wait(gsw))
- return -1;
-
- return 0;
-}
-
-u32 _mt7620_mii_read(struct mt7620_gsw *gsw, int phy_addr, int phy_reg)
-{
- u32 d;
-
- if (mt7620_mii_busy_wait(gsw))
- return 0xffff;
-
- mtk_switch_w32(gsw, GSW_MDIO_ACCESS | GSW_MDIO_START | GSW_MDIO_READ |
- (phy_reg << GSW_MDIO_REG_SHIFT) |
- (phy_addr << GSW_MDIO_ADDR_SHIFT),
- MT7620A_GSW_REG_PIAC);
-
- if (mt7620_mii_busy_wait(gsw))
- return 0xffff;
-
- d = mtk_switch_r32(gsw, MT7620A_GSW_REG_PIAC) & 0xffff;
-
- return d;
-}
-
-int mt7620_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val)
-{
- struct fe_priv *priv = bus->priv;
- struct mt7620_gsw *gsw = (struct mt7620_gsw *)priv->soc->swpriv;
-
- return _mt7620_mii_write(gsw, phy_addr, phy_reg, val);
-}
-
-int mt7620_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg)
-{
- struct fe_priv *priv = bus->priv;
- struct mt7620_gsw *gsw = (struct mt7620_gsw *)priv->soc->swpriv;
-
- return _mt7620_mii_read(gsw, phy_addr, phy_reg);
-}
-
-void mt7530_mdio_w32(struct mt7620_gsw *gsw, u32 reg, u32 val)
-{
- _mt7620_mii_write(gsw, 0x1f, 0x1f, (reg >> 6) & 0x3ff);
- _mt7620_mii_write(gsw, 0x1f, (reg >> 2) & 0xf, val & 0xffff);
- _mt7620_mii_write(gsw, 0x1f, 0x10, val >> 16);
-}
-
-u32 mt7530_mdio_r32(struct mt7620_gsw *gsw, u32 reg)
-{
- u16 high, low;
-
- _mt7620_mii_write(gsw, 0x1f, 0x1f, (reg >> 6) & 0x3ff);
- low = _mt7620_mii_read(gsw, 0x1f, (reg >> 2) & 0xf);
- high = _mt7620_mii_read(gsw, 0x1f, 0x10);
-
- return (high << 16) | (low & 0xffff);
-}
-
-static unsigned char *fe_speed_str(int speed)
-{
- switch (speed) {
- case 2:
- case SPEED_1000:
- return "1000";
- case 1:
- case SPEED_100:
- return "100";
- case 0:
- case SPEED_10:
- return "10";
- }
-
- return "? ";
-}
-
-int mt7620_has_carrier(struct fe_priv *priv)
-{
- struct mt7620_gsw *gsw = (struct mt7620_gsw *)priv->soc->swpriv;
- int i;
-
- for (i = 0; i < GSW_PORT6; i++)
- if (mtk_switch_r32(gsw, GSW_REG_PORT_STATUS(i)) & 0x1)
- return 1;
- return 0;
-}
-
-
-void mt7620_handle_carrier(struct fe_priv *priv)
-{
- if (!priv->phy)
- return;
-
- if (mt7620_has_carrier(priv))
- netif_carrier_on(priv->netdev);
- else
- netif_carrier_off(priv->netdev);
-}
-
-void mt7620_print_link_state(struct fe_priv *priv, int port, int link,
- int speed, int duplex)
-{
- if (link)
- netdev_info(priv->netdev, "port %d link up (%sMbps/%s duplex)\n",
- port, fe_speed_str(speed),
- (duplex) ? "Full" : "Half");
- else
- netdev_info(priv->netdev, "port %d link down\n", port);
-}
-
-void mt7620_mdio_link_adjust(struct fe_priv *priv, int port)
-{
- mt7620_print_link_state(priv, port, priv->link[port],
- priv->phy->speed[port],
- (priv->phy->duplex[port] == DUPLEX_FULL));
- mt7620_handle_carrier(priv);
-}
+++ /dev/null
-/* This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
- * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
- * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/of_net.h>
-#include <linux/of_mdio.h>
-
-#include "mtk_eth_soc.h"
-#include "mdio_rt2880.h"
-#include "mdio.h"
-
-#define FE_MDIO_RETRY 1000
-
-static unsigned char *rt2880_speed_str(struct fe_priv *priv)
-{
- switch (priv->phy->speed[0]) {
- case SPEED_1000:
- return "1000";
- case SPEED_100:
- return "100";
- case SPEED_10:
- return "10";
- }
-
- return "?";
-}
-
-void rt2880_mdio_link_adjust(struct fe_priv *priv, int port)
-{
- u32 mdio_cfg;
-
- if (!priv->link[0]) {
- netif_carrier_off(priv->netdev);
- netdev_info(priv->netdev, "link down\n");
- return;
- }
-
- mdio_cfg = FE_MDIO_CFG_TX_CLK_SKEW_200 |
- FE_MDIO_CFG_RX_CLK_SKEW_200 |
- FE_MDIO_CFG_GP1_FRC_EN;
-
- if (priv->phy->duplex[0] == DUPLEX_FULL)
- mdio_cfg |= FE_MDIO_CFG_GP1_DUPLEX;
-
- if (priv->phy->tx_fc[0])
- mdio_cfg |= FE_MDIO_CFG_GP1_FC_TX;
-
- if (priv->phy->rx_fc[0])
- mdio_cfg |= FE_MDIO_CFG_GP1_FC_RX;
-
- switch (priv->phy->speed[0]) {
- case SPEED_10:
- mdio_cfg |= FE_MDIO_CFG_GP1_SPEED_10;
- break;
- case SPEED_100:
- mdio_cfg |= FE_MDIO_CFG_GP1_SPEED_100;
- break;
- case SPEED_1000:
- mdio_cfg |= FE_MDIO_CFG_GP1_SPEED_1000;
- break;
- default:
- BUG();
- }
-
- fe_w32(mdio_cfg, FE_MDIO_CFG);
-
- netif_carrier_on(priv->netdev);
- netdev_info(priv->netdev, "link up (%sMbps/%s duplex)\n",
- rt2880_speed_str(priv),
- (priv->phy->duplex[0] == DUPLEX_FULL) ? "Full" : "Half");
-}
-
-static int rt2880_mdio_wait_ready(struct fe_priv *priv)
-{
- int retries;
-
- retries = FE_MDIO_RETRY;
- while (1) {
- u32 t;
-
- t = fe_r32(FE_MDIO_ACCESS);
- if ((t & BIT(31)) == 0)
- return 0;
-
- if (retries-- == 0)
- break;
-
- udelay(1);
- }
-
- dev_err(priv->dev, "MDIO operation timed out\n");
- return -ETIMEDOUT;
-}
-
-int rt2880_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg)
-{
- struct fe_priv *priv = bus->priv;
- int err;
- u32 t;
-
- err = rt2880_mdio_wait_ready(priv);
- if (err)
- return 0xffff;
-
- t = (phy_addr << 24) | (phy_reg << 16);
- fe_w32(t, FE_MDIO_ACCESS);
- t |= BIT(31);
- fe_w32(t, FE_MDIO_ACCESS);
-
- err = rt2880_mdio_wait_ready(priv);
- if (err)
- return 0xffff;
-
- pr_debug("%s: addr=%04x, reg=%04x, value=%04x\n", __func__,
- phy_addr, phy_reg, fe_r32(FE_MDIO_ACCESS) & 0xffff);
-
- return fe_r32(FE_MDIO_ACCESS) & 0xffff;
-}
-
-int rt2880_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val)
-{
- struct fe_priv *priv = bus->priv;
- int err;
- u32 t;
-
- pr_debug("%s: addr=%04x, reg=%04x, value=%04x\n", __func__,
- phy_addr, phy_reg, fe_r32(FE_MDIO_ACCESS) & 0xffff);
-
- err = rt2880_mdio_wait_ready(priv);
- if (err)
- return err;
-
- t = (1 << 30) | (phy_addr << 24) | (phy_reg << 16) | val;
- fe_w32(t, FE_MDIO_ACCESS);
- t |= BIT(31);
- fe_w32(t, FE_MDIO_ACCESS);
-
- return rt2880_mdio_wait_ready(priv);
-}
-
-void rt2880_port_init(struct fe_priv *priv, struct device_node *np)
-{
- const __be32 *id = of_get_property(np, "reg", NULL);
- const __be32 *link;
- int size;
- int phy_mode;
-
- if (!id || (be32_to_cpu(*id) != 0)) {
- pr_err("%s: invalid port id\n", np->name);
- return;
- }
-
- priv->phy->phy_fixed[0] = of_get_property(np,
- "mediatek,fixed-link", &size);
- if (priv->phy->phy_fixed[0] &&
- (size != (4 * sizeof(*priv->phy->phy_fixed[0])))) {
- pr_err("%s: invalid fixed link property\n", np->name);
- priv->phy->phy_fixed[0] = NULL;
- return;
- }
-
- phy_mode = of_get_phy_mode(np);
- switch (phy_mode) {
- case PHY_INTERFACE_MODE_RGMII:
- break;
- case PHY_INTERFACE_MODE_MII:
- break;
- case PHY_INTERFACE_MODE_RMII:
- break;
- default:
- if (!priv->phy->phy_fixed[0])
- dev_err(priv->dev, "port %d - invalid phy mode\n",
- priv->phy->speed[0]);
- break;
- }
-
- priv->phy->phy_node[0] = of_parse_phandle(np, "phy-handle", 0);
- if (!priv->phy->phy_node[0] && !priv->phy->phy_fixed[0])
- return;
-
- if (priv->phy->phy_fixed[0]) {
- link = priv->phy->phy_fixed[0];
- priv->phy->speed[0] = be32_to_cpup(link++);
- priv->phy->duplex[0] = be32_to_cpup(link++);
- priv->phy->tx_fc[0] = be32_to_cpup(link++);
- priv->phy->rx_fc[0] = be32_to_cpup(link++);
-
- priv->link[0] = 1;
- switch (priv->phy->speed[0]) {
- case SPEED_10:
- break;
- case SPEED_100:
- break;
- case SPEED_1000:
- break;
- default:
- dev_err(priv->dev, "invalid link speed: %d\n",
- priv->phy->speed[0]);
- priv->phy->phy_fixed[0] = 0;
- return;
- }
- dev_info(priv->dev, "using fixed link parameters\n");
- rt2880_mdio_link_adjust(priv, 0);
- return;
- }
-
- if (priv->phy->phy_node[0] && mdiobus_get_phy(priv->mii_bus, 0))
- fe_connect_phy_node(priv, priv->phy->phy_node[0]);
-}
+++ /dev/null
-/* This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
- * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
- * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
- */
-
-#ifndef _RALINK_MDIO_RT2880_H__
-#define _RALINK_MDIO_RT2880_H__
-
-void rt2880_mdio_link_adjust(struct fe_priv *priv, int port);
-int rt2880_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg);
-int rt2880_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val);
-void rt2880_port_init(struct fe_priv *priv, struct device_node *np);
-
-#endif
+++ /dev/null
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
- * Copyright (C) 2016 Vitaly Chekryzhev <13hakta@gmail.com>
- */
-
-#include <linux/if.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/list.h>
-#include <linux/if_ether.h>
-#include <linux/skbuff.h>
-#include <linux/netdevice.h>
-#include <linux/netlink.h>
-#include <linux/bitops.h>
-#include <net/genetlink.h>
-#include <linux/switch.h>
-#include <linux/delay.h>
-#include <linux/phy.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/lockdep.h>
-#include <linux/workqueue.h>
-#include <linux/of_device.h>
-
-#include "mt7530.h"
-
-#define MT7530_CPU_PORT 6
-#define MT7530_NUM_PORTS 8
-#ifdef CONFIG_SOC_MT7621
-#define MT7530_NUM_VLANS 4095
-#else
-#define MT7530_NUM_VLANS 16
-#endif
-#define MT7530_MAX_VID 4095
-#define MT7530_MIN_VID 0
-
-#define MT7530_PORT_MIB_TXB_ID 2 /* TxGOC */
-#define MT7530_PORT_MIB_RXB_ID 6 /* RxGOC */
-
-#define MT7621_PORT_MIB_TXB_ID 18 /* TxByte */
-#define MT7621_PORT_MIB_RXB_ID 37 /* RxByte */
-
-/* registers */
-#define REG_ESW_VLAN_VTCR 0x90
-#define REG_ESW_VLAN_VAWD1 0x94
-#define REG_ESW_VLAN_VAWD2 0x98
-#define REG_ESW_VLAN_VTIM(x) (0x100 + 4 * ((x) / 2))
-
-#define REG_ESW_VLAN_VAWD1_IVL_MAC BIT(30)
-#define REG_ESW_VLAN_VAWD1_VTAG_EN BIT(28)
-#define REG_ESW_VLAN_VAWD1_VALID BIT(0)
-
-/* vlan egress mode */
-enum {
- ETAG_CTRL_UNTAG = 0,
- ETAG_CTRL_TAG = 2,
- ETAG_CTRL_SWAP = 1,
- ETAG_CTRL_STACK = 3,
-};
-
-#define REG_ESW_PORT_PCR(x) (0x2004 | ((x) << 8))
-#define REG_ESW_PORT_PVC(x) (0x2010 | ((x) << 8))
-#define REG_ESW_PORT_PPBV1(x) (0x2014 | ((x) << 8))
-
-#define REG_HWTRAP 0x7804
-
-#define MIB_DESC(_s , _o, _n) \
- { \
- .size = (_s), \
- .offset = (_o), \
- .name = (_n), \
- }
-
-struct mt7xxx_mib_desc {
- unsigned int size;
- unsigned int offset;
- const char *name;
-};
-
-static const struct mt7xxx_mib_desc mt7620_mibs[] = {
- MIB_DESC(1, MT7620_MIB_STATS_PPE_AC_BCNT0, "PPE_AC_BCNT0"),
- MIB_DESC(1, MT7620_MIB_STATS_PPE_AC_PCNT0, "PPE_AC_PCNT0"),
- MIB_DESC(1, MT7620_MIB_STATS_PPE_AC_BCNT63, "PPE_AC_BCNT63"),
- MIB_DESC(1, MT7620_MIB_STATS_PPE_AC_PCNT63, "PPE_AC_PCNT63"),
- MIB_DESC(1, MT7620_MIB_STATS_PPE_MTR_CNT0, "PPE_MTR_CNT0"),
- MIB_DESC(1, MT7620_MIB_STATS_PPE_MTR_CNT63, "PPE_MTR_CNT63"),
- MIB_DESC(1, MT7620_MIB_STATS_GDM1_TX_GBCNT, "GDM1_TX_GBCNT"),
- MIB_DESC(1, MT7620_MIB_STATS_GDM1_TX_GPCNT, "GDM1_TX_GPCNT"),
- MIB_DESC(1, MT7620_MIB_STATS_GDM1_TX_SKIPCNT, "GDM1_TX_SKIPCNT"),
- MIB_DESC(1, MT7620_MIB_STATS_GDM1_TX_COLCNT, "GDM1_TX_COLCNT"),
- MIB_DESC(1, MT7620_MIB_STATS_GDM1_RX_GBCNT1, "GDM1_RX_GBCNT1"),
- MIB_DESC(1, MT7620_MIB_STATS_GDM1_RX_GPCNT1, "GDM1_RX_GPCNT1"),
- MIB_DESC(1, MT7620_MIB_STATS_GDM1_RX_OERCNT, "GDM1_RX_OERCNT"),
- MIB_DESC(1, MT7620_MIB_STATS_GDM1_RX_FERCNT, "GDM1_RX_FERCNT"),
- MIB_DESC(1, MT7620_MIB_STATS_GDM1_RX_SERCNT, "GDM1_RX_SERCNT"),
- MIB_DESC(1, MT7620_MIB_STATS_GDM1_RX_LERCNT, "GDM1_RX_LERCNT"),
- MIB_DESC(1, MT7620_MIB_STATS_GDM1_RX_CERCNT, "GDM1_RX_CERCNT"),
- MIB_DESC(1, MT7620_MIB_STATS_GDM1_RX_FCCNT, "GDM1_RX_FCCNT"),
- MIB_DESC(1, MT7620_MIB_STATS_GDM2_TX_GBCNT, "GDM2_TX_GBCNT"),
- MIB_DESC(1, MT7620_MIB_STATS_GDM2_TX_GPCNT, "GDM2_TX_GPCNT"),
- MIB_DESC(1, MT7620_MIB_STATS_GDM2_TX_SKIPCNT, "GDM2_TX_SKIPCNT"),
- MIB_DESC(1, MT7620_MIB_STATS_GDM2_TX_COLCNT, "GDM2_TX_COLCNT"),
- MIB_DESC(1, MT7620_MIB_STATS_GDM2_RX_GBCNT, "GDM2_RX_GBCNT"),
- MIB_DESC(1, MT7620_MIB_STATS_GDM2_RX_GPCNT, "GDM2_RX_GPCNT"),
- MIB_DESC(1, MT7620_MIB_STATS_GDM2_RX_OERCNT, "GDM2_RX_OERCNT"),
- MIB_DESC(1, MT7620_MIB_STATS_GDM2_RX_FERCNT, "GDM2_RX_FERCNT"),
- MIB_DESC(1, MT7620_MIB_STATS_GDM2_RX_SERCNT, "GDM2_RX_SERCNT"),
- MIB_DESC(1, MT7620_MIB_STATS_GDM2_RX_LERCNT, "GDM2_RX_LERCNT"),
- MIB_DESC(1, MT7620_MIB_STATS_GDM2_RX_CERCNT, "GDM2_RX_CERCNT"),
- MIB_DESC(1, MT7620_MIB_STATS_GDM2_RX_FCCNT, "GDM2_RX_FCCNT")
-};
-
-static const struct mt7xxx_mib_desc mt7620_port_mibs[] = {
- MIB_DESC(1, MT7620_MIB_STATS_PORT_TGPCN, "TxGPC"),
- MIB_DESC(1, MT7620_MIB_STATS_PORT_TBOCN, "TxBOC"),
- MIB_DESC(1, MT7620_MIB_STATS_PORT_TGOCN, "TxGOC"),
- MIB_DESC(1, MT7620_MIB_STATS_PORT_TEPCN, "TxEPC"),
- MIB_DESC(1, MT7620_MIB_STATS_PORT_RGPCN, "RxGPC"),
- MIB_DESC(1, MT7620_MIB_STATS_PORT_RBOCN, "RxBOC"),
- MIB_DESC(1, MT7620_MIB_STATS_PORT_RGOCN, "RxGOC"),
- MIB_DESC(1, MT7620_MIB_STATS_PORT_REPC1N, "RxEPC1"),
- MIB_DESC(1, MT7620_MIB_STATS_PORT_REPC2N, "RxEPC2")
-};
-
-static const struct mt7xxx_mib_desc mt7621_mibs[] = {
- MIB_DESC(1, MT7621_STATS_TDPC, "TxDrop"),
- MIB_DESC(1, MT7621_STATS_TCRC, "TxCRC"),
- MIB_DESC(1, MT7621_STATS_TUPC, "TxUni"),
- MIB_DESC(1, MT7621_STATS_TMPC, "TxMulti"),
- MIB_DESC(1, MT7621_STATS_TBPC, "TxBroad"),
- MIB_DESC(1, MT7621_STATS_TCEC, "TxCollision"),
- MIB_DESC(1, MT7621_STATS_TSCEC, "TxSingleCol"),
- MIB_DESC(1, MT7621_STATS_TMCEC, "TxMultiCol"),
- MIB_DESC(1, MT7621_STATS_TDEC, "TxDefer"),
- MIB_DESC(1, MT7621_STATS_TLCEC, "TxLateCol"),
- MIB_DESC(1, MT7621_STATS_TXCEC, "TxExcCol"),
- MIB_DESC(1, MT7621_STATS_TPPC, "TxPause"),
- MIB_DESC(1, MT7621_STATS_TL64PC, "Tx64Byte"),
- MIB_DESC(1, MT7621_STATS_TL65PC, "Tx65Byte"),
- MIB_DESC(1, MT7621_STATS_TL128PC, "Tx128Byte"),
- MIB_DESC(1, MT7621_STATS_TL256PC, "Tx256Byte"),
- MIB_DESC(1, MT7621_STATS_TL512PC, "Tx512Byte"),
- MIB_DESC(1, MT7621_STATS_TL1024PC, "Tx1024Byte"),
- MIB_DESC(2, MT7621_STATS_TOC, "TxByte"),
- MIB_DESC(1, MT7621_STATS_RDPC, "RxDrop"),
- MIB_DESC(1, MT7621_STATS_RFPC, "RxFiltered"),
- MIB_DESC(1, MT7621_STATS_RUPC, "RxUni"),
- MIB_DESC(1, MT7621_STATS_RMPC, "RxMulti"),
- MIB_DESC(1, MT7621_STATS_RBPC, "RxBroad"),
- MIB_DESC(1, MT7621_STATS_RAEPC, "RxAlignErr"),
- MIB_DESC(1, MT7621_STATS_RCEPC, "RxCRC"),
- MIB_DESC(1, MT7621_STATS_RUSPC, "RxUnderSize"),
- MIB_DESC(1, MT7621_STATS_RFEPC, "RxFragment"),
- MIB_DESC(1, MT7621_STATS_ROSPC, "RxOverSize"),
- MIB_DESC(1, MT7621_STATS_RJEPC, "RxJabber"),
- MIB_DESC(1, MT7621_STATS_RPPC, "RxPause"),
- MIB_DESC(1, MT7621_STATS_RL64PC, "Rx64Byte"),
- MIB_DESC(1, MT7621_STATS_RL65PC, "Rx65Byte"),
- MIB_DESC(1, MT7621_STATS_RL128PC, "Rx128Byte"),
- MIB_DESC(1, MT7621_STATS_RL256PC, "Rx256Byte"),
- MIB_DESC(1, MT7621_STATS_RL512PC, "Rx512Byte"),
- MIB_DESC(1, MT7621_STATS_RL1024PC, "Rx1024Byte"),
- MIB_DESC(2, MT7621_STATS_ROC, "RxByte"),
- MIB_DESC(1, MT7621_STATS_RDPC_CTRL, "RxCtrlDrop"),
- MIB_DESC(1, MT7621_STATS_RDPC_ING, "RxIngDrop"),
- MIB_DESC(1, MT7621_STATS_RDPC_ARL, "RxARLDrop")
-};
-
-enum {
- /* Global attributes. */
- MT7530_ATTR_ENABLE_VLAN,
-};
-
-struct mt7530_port_entry {
- u16 pvid;
-};
-
-struct mt7530_vlan_entry {
- u16 vid;
- u8 member;
- u8 etags;
-};
-
-struct mt7530_priv {
- void __iomem *base;
- struct mii_bus *bus;
- struct switch_dev swdev;
-
- bool global_vlan_enable;
- struct mt7530_vlan_entry vlan_entries[MT7530_NUM_VLANS];
- struct mt7530_port_entry port_entries[MT7530_NUM_PORTS];
-};
-
-struct mt7530_mapping {
- char *name;
- u16 pvids[MT7530_NUM_PORTS];
- u8 members[MT7530_NUM_VLANS];
- u8 etags[MT7530_NUM_VLANS];
- u16 vids[MT7530_NUM_VLANS];
-} mt7530_defaults[] = {
- {
- .name = "llllw",
- .pvids = { 1, 1, 1, 1, 2, 1, 1 },
- .members = { 0, 0x6f, 0x50 },
- .etags = { 0, 0x40, 0x40 },
- .vids = { 0, 1, 2 },
- }, {
- .name = "wllll",
- .pvids = { 2, 1, 1, 1, 1, 1, 1 },
- .members = { 0, 0x7e, 0x41 },
- .etags = { 0, 0x40, 0x40 },
- .vids = { 0, 1, 2 },
- }, {
- .name = "lwlll",
- .pvids = { 1, 2, 1, 1, 1, 1, 1 },
- .members = { 0, 0x7d, 0x42 },
- .etags = { 0, 0x40, 0x40 },
- .vids = { 0, 1, 2 },
- },
-};
-
-struct mt7530_mapping*
-mt7530_find_mapping(struct device_node *np)
-{
- const char *map;
- int i;
-
- if (of_property_read_string(np, "mediatek,portmap", &map))
- return NULL;
-
- for (i = 0; i < ARRAY_SIZE(mt7530_defaults); i++)
- if (!strcmp(map, mt7530_defaults[i].name))
- return &mt7530_defaults[i];
-
- return NULL;
-}
-
-static void
-mt7530_apply_mapping(struct mt7530_priv *mt7530, struct mt7530_mapping *map)
-{
- int i = 0;
-
- for (i = 0; i < MT7530_NUM_PORTS; i++)
- mt7530->port_entries[i].pvid = map->pvids[i];
-
- for (i = 0; i < MT7530_NUM_VLANS; i++) {
- mt7530->vlan_entries[i].member = map->members[i];
- mt7530->vlan_entries[i].etags = map->etags[i];
- mt7530->vlan_entries[i].vid = map->vids[i];
- }
-}
-
-static int
-mt7530_reset_switch(struct switch_dev *dev)
-{
- struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
- int i;
-
- memset(priv->port_entries, 0, sizeof(priv->port_entries));
- memset(priv->vlan_entries, 0, sizeof(priv->vlan_entries));
-
- /* set default vid of each vlan to the same number of vlan, so the vid
- * won't need be set explicitly.
- */
- for (i = 0; i < MT7530_NUM_VLANS; i++) {
- priv->vlan_entries[i].vid = i;
- }
-
- return 0;
-}
-
-static int
-mt7530_get_vlan_enable(struct switch_dev *dev,
- const struct switch_attr *attr,
- struct switch_val *val)
-{
- struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
-
- val->value.i = priv->global_vlan_enable;
-
- return 0;
-}
-
-static int
-mt7530_set_vlan_enable(struct switch_dev *dev,
- const struct switch_attr *attr,
- struct switch_val *val)
-{
- struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
-
- priv->global_vlan_enable = val->value.i != 0;
-
- return 0;
-}
-
-static u32
-mt7530_r32(struct mt7530_priv *priv, u32 reg)
-{
- u32 val;
- if (priv->bus) {
- u16 high, low;
-
- mdiobus_write(priv->bus, 0x1f, 0x1f, (reg >> 6) & 0x3ff);
- low = mdiobus_read(priv->bus, 0x1f, (reg >> 2) & 0xf);
- high = mdiobus_read(priv->bus, 0x1f, 0x10);
-
- return (high << 16) | (low & 0xffff);
- }
-
- val = ioread32(priv->base + reg);
- pr_debug("MT7530 MDIO Read [%04x]=%08x\n", reg, val);
-
- return val;
-}
-
-static void
-mt7530_w32(struct mt7530_priv *priv, u32 reg, u32 val)
-{
- if (priv->bus) {
- mdiobus_write(priv->bus, 0x1f, 0x1f, (reg >> 6) & 0x3ff);
- mdiobus_write(priv->bus, 0x1f, (reg >> 2) & 0xf, val & 0xffff);
- mdiobus_write(priv->bus, 0x1f, 0x10, val >> 16);
- return;
- }
-
- pr_debug("MT7530 MDIO Write[%04x]=%08x\n", reg, val);
- iowrite32(val, priv->base + reg);
-}
-
-static void
-mt7530_vtcr(struct mt7530_priv *priv, u32 cmd, u32 val)
-{
- int i;
-
- mt7530_w32(priv, REG_ESW_VLAN_VTCR, BIT(31) | (cmd << 12) | val);
-
- for (i = 0; i < 20; i++) {
- u32 val = mt7530_r32(priv, REG_ESW_VLAN_VTCR);
-
- if ((val & BIT(31)) == 0)
- break;
-
- udelay(1000);
- }
- if (i == 20)
- printk("mt7530: vtcr timeout\n");
-}
-
-static int
-mt7530_get_port_pvid(struct switch_dev *dev, int port, int *val)
-{
- struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
-
- if (port >= MT7530_NUM_PORTS)
- return -EINVAL;
-
- *val = mt7530_r32(priv, REG_ESW_PORT_PPBV1(port));
- *val &= 0xfff;
-
- return 0;
-}
-
-static int
-mt7530_set_port_pvid(struct switch_dev *dev, int port, int pvid)
-{
- struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
-
- if (port >= MT7530_NUM_PORTS)
- return -EINVAL;
-
- if (pvid < MT7530_MIN_VID || pvid > MT7530_MAX_VID)
- return -EINVAL;
-
- priv->port_entries[port].pvid = pvid;
-
- return 0;
-}
-
-static int
-mt7530_get_vlan_ports(struct switch_dev *dev, struct switch_val *val)
-{
- struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
- u32 member;
- u32 etags;
- int i;
-
- val->len = 0;
-
- if (val->port_vlan < 0 || val->port_vlan >= MT7530_NUM_VLANS)
- return -EINVAL;
-
- mt7530_vtcr(priv, 0, val->port_vlan);
-
- member = mt7530_r32(priv, REG_ESW_VLAN_VAWD1);
- member >>= 16;
- member &= 0xff;
-
- etags = mt7530_r32(priv, REG_ESW_VLAN_VAWD2);
-
- for (i = 0; i < MT7530_NUM_PORTS; i++) {
- struct switch_port *p;
- int etag;
-
- if (!(member & BIT(i)))
- continue;
-
- p = &val->value.ports[val->len++];
- p->id = i;
-
- etag = (etags >> (i * 2)) & 0x3;
-
- if (etag == ETAG_CTRL_TAG)
- p->flags |= BIT(SWITCH_PORT_FLAG_TAGGED);
- else if (etag != ETAG_CTRL_UNTAG)
- printk("vlan egress tag control neither untag nor tag.\n");
- }
-
- return 0;
-}
-
-static int
-mt7530_set_vlan_ports(struct switch_dev *dev, struct switch_val *val)
-{
- struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
- u8 member = 0;
- u8 etags = 0;
- int i;
-
- if (val->port_vlan < 0 || val->port_vlan >= MT7530_NUM_VLANS ||
- val->len > MT7530_NUM_PORTS)
- return -EINVAL;
-
- for (i = 0; i < val->len; i++) {
- struct switch_port *p = &val->value.ports[i];
-
- if (p->id >= MT7530_NUM_PORTS)
- return -EINVAL;
-
- member |= BIT(p->id);
-
- if (p->flags & BIT(SWITCH_PORT_FLAG_TAGGED))
- etags |= BIT(p->id);
- }
- priv->vlan_entries[val->port_vlan].member = member;
- priv->vlan_entries[val->port_vlan].etags = etags;
-
- return 0;
-}
-
-static int
-mt7530_set_vid(struct switch_dev *dev, const struct switch_attr *attr,
- struct switch_val *val)
-{
- struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
- int vlan;
- u16 vid;
-
- vlan = val->port_vlan;
- vid = (u16)val->value.i;
-
- if (vlan < 0 || vlan >= MT7530_NUM_VLANS)
- return -EINVAL;
-
- if (vid < MT7530_MIN_VID || vid > MT7530_MAX_VID)
- return -EINVAL;
-
- priv->vlan_entries[vlan].vid = vid;
- return 0;
-}
-
-static int
-mt7621_get_vid(struct switch_dev *dev, const struct switch_attr *attr,
- struct switch_val *val)
-{
- val->value.i = val->port_vlan;
- return 0;
-}
-
-static int
-mt7530_get_vid(struct switch_dev *dev, const struct switch_attr *attr,
- struct switch_val *val)
-{
- struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
- u32 vid;
- int vlan;
-
- vlan = val->port_vlan;
-
- vid = mt7530_r32(priv, REG_ESW_VLAN_VTIM(vlan));
- if (vlan & 1)
- vid = vid >> 12;
- vid &= 0xfff;
-
- val->value.i = vid;
- return 0;
-}
-
-static void
-mt7530_write_vlan_entry(struct mt7530_priv *priv, int vlan, u16 vid,
- u8 ports, u8 etags)
-{
- int port;
- u32 val;
-
-#ifndef CONFIG_SOC_MT7621
- /* vid of vlan */
- val = mt7530_r32(priv, REG_ESW_VLAN_VTIM(vlan));
- if (vlan % 2 == 0) {
- val &= 0xfff000;
- val |= vid;
- } else {
- val &= 0xfff;
- val |= (vid << 12);
- }
- mt7530_w32(priv, REG_ESW_VLAN_VTIM(vlan), val);
-#endif
-
- /* vlan port membership */
- if (ports)
- mt7530_w32(priv, REG_ESW_VLAN_VAWD1, REG_ESW_VLAN_VAWD1_IVL_MAC |
- REG_ESW_VLAN_VAWD1_VTAG_EN | (ports << 16) |
- REG_ESW_VLAN_VAWD1_VALID);
- else
- mt7530_w32(priv, REG_ESW_VLAN_VAWD1, 0);
-
- /* egress mode */
- val = 0;
- for (port = 0; port < MT7530_NUM_PORTS; port++) {
- if (etags & BIT(port))
- val |= ETAG_CTRL_TAG << (port * 2);
- else
- val |= ETAG_CTRL_UNTAG << (port * 2);
- }
- mt7530_w32(priv, REG_ESW_VLAN_VAWD2, val);
-
- /* write to vlan table */
-#ifdef CONFIG_SOC_MT7621
- mt7530_vtcr(priv, 1, vid);
-#else
- mt7530_vtcr(priv, 1, vlan);
-#endif
-}
-
-static int
-mt7530_apply_config(struct switch_dev *dev)
-{
- struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
- int i, j;
- u8 tag_ports;
- u8 untag_ports;
-
- if (!priv->global_vlan_enable) {
- for (i = 0; i < MT7530_NUM_PORTS; i++)
- mt7530_w32(priv, REG_ESW_PORT_PCR(i), 0x00400000);
-
- mt7530_w32(priv, REG_ESW_PORT_PCR(MT7530_CPU_PORT), 0x00ff0000);
-
- for (i = 0; i < MT7530_NUM_PORTS; i++)
- mt7530_w32(priv, REG_ESW_PORT_PVC(i), 0x810000c0);
-
- return 0;
- }
-
- /* set all ports as security mode */
- for (i = 0; i < MT7530_NUM_PORTS; i++)
- mt7530_w32(priv, REG_ESW_PORT_PCR(i), 0x00ff0003);
-
- /* check if a port is used in tag/untag vlan egress mode */
- tag_ports = 0;
- untag_ports = 0;
-
- for (i = 0; i < MT7530_NUM_VLANS; i++) {
- u8 member = priv->vlan_entries[i].member;
- u8 etags = priv->vlan_entries[i].etags;
-
- if (!member)
- continue;
-
- for (j = 0; j < MT7530_NUM_PORTS; j++) {
- if (!(member & BIT(j)))
- continue;
-
- if (etags & BIT(j))
- tag_ports |= 1u << j;
- else
- untag_ports |= 1u << j;
- }
- }
-
- /* set all untag-only ports as transparent and the rest as user port */
- for (i = 0; i < MT7530_NUM_PORTS; i++) {
- u32 pvc_mode = 0x81000000;
-
- if (untag_ports & BIT(i) && !(tag_ports & BIT(i)))
- pvc_mode = 0x810000c0;
-
- mt7530_w32(priv, REG_ESW_PORT_PVC(i), pvc_mode);
- }
-
- /* first clear the swtich vlan table */
- for (i = 0; i < MT7530_NUM_VLANS; i++)
- mt7530_write_vlan_entry(priv, i, i, 0, 0);
-
- /* now program only vlans with members to avoid
- clobbering remapped entries in later iterations */
- for (i = 0; i < MT7530_NUM_VLANS; i++) {
- u16 vid = priv->vlan_entries[i].vid;
- u8 member = priv->vlan_entries[i].member;
- u8 etags = priv->vlan_entries[i].etags;
-
- if (member)
- mt7530_write_vlan_entry(priv, i, vid, member, etags);
- }
-
- /* Port Default PVID */
- for (i = 0; i < MT7530_NUM_PORTS; i++) {
- int vlan = priv->port_entries[i].pvid;
- u16 pvid = 0;
- u32 val;
-
- if (vlan < MT7530_NUM_VLANS && priv->vlan_entries[vlan].member)
- pvid = priv->vlan_entries[vlan].vid;
-
- val = mt7530_r32(priv, REG_ESW_PORT_PPBV1(i));
- val &= ~0xfff;
- val |= pvid;
- mt7530_w32(priv, REG_ESW_PORT_PPBV1(i), val);
- }
-
- return 0;
-}
-
-static int
-mt7530_get_port_link(struct switch_dev *dev, int port,
- struct switch_port_link *link)
-{
- struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
- u32 speed, pmsr;
-
- if (port < 0 || port >= MT7530_NUM_PORTS)
- return -EINVAL;
-
- pmsr = mt7530_r32(priv, 0x3008 + (0x100 * port));
-
- link->link = pmsr & 1;
- link->duplex = (pmsr >> 1) & 1;
- speed = (pmsr >> 2) & 3;
-
- switch (speed) {
- case 0:
- link->speed = SWITCH_PORT_SPEED_10;
- break;
- case 1:
- link->speed = SWITCH_PORT_SPEED_100;
- break;
- case 2:
- case 3: /* forced gige speed can be 2 or 3 */
- link->speed = SWITCH_PORT_SPEED_1000;
- break;
- default:
- link->speed = SWITCH_PORT_SPEED_UNKNOWN;
- break;
- }
-
- return 0;
-}
-
-static u64 get_mib_counter(struct mt7530_priv *priv, int i, int port)
-{
- unsigned int port_base;
- u64 lo;
-
- port_base = MT7621_MIB_COUNTER_BASE +
- MT7621_MIB_COUNTER_PORT_OFFSET * port;
-
- lo = mt7530_r32(priv, port_base + mt7621_mibs[i].offset);
- if (mt7621_mibs[i].size == 2) {
- u64 hi;
-
- hi = mt7530_r32(priv, port_base + mt7621_mibs[i].offset + 4);
- lo |= hi << 32;
- }
-
- return lo;
-}
-
-static int mt7621_sw_get_port_mib(struct switch_dev *dev,
- const struct switch_attr *attr,
- struct switch_val *val)
-{
- static char buf[4096];
- struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
- int i, len = 0;
-
- if (val->port_vlan >= MT7530_NUM_PORTS)
- return -EINVAL;
-
- len += snprintf(buf + len, sizeof(buf) - len,
- "Port %d MIB counters\n", val->port_vlan);
-
- for (i = 0; i < ARRAY_SIZE(mt7621_mibs); ++i) {
- u64 counter;
- len += snprintf(buf + len, sizeof(buf) - len,
- "%-11s: ", mt7621_mibs[i].name);
- counter = get_mib_counter(priv, i, val->port_vlan);
- len += snprintf(buf + len, sizeof(buf) - len, "%llu\n",
- counter);
- }
-
- val->value.s = buf;
- val->len = len;
- return 0;
-}
-
-static u64 get_mib_counter_7620(struct mt7530_priv *priv, int i)
-{
- return mt7530_r32(priv, MT7620_MIB_COUNTER_BASE + mt7620_mibs[i].offset);
-}
-
-static u64 get_mib_counter_port_7620(struct mt7530_priv *priv, int i, int port)
-{
- return mt7530_r32(priv,
- MT7620_MIB_COUNTER_BASE_PORT +
- (MT7620_MIB_COUNTER_PORT_OFFSET * port) +
- mt7620_port_mibs[i].offset);
-}
-
-static int mt7530_sw_get_mib(struct switch_dev *dev,
- const struct switch_attr *attr,
- struct switch_val *val)
-{
- static char buf[4096];
- struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
- int i, len = 0;
-
- len += snprintf(buf + len, sizeof(buf) - len, "Switch MIB counters\n");
-
- for (i = 0; i < ARRAY_SIZE(mt7620_mibs); ++i) {
- u64 counter;
- len += snprintf(buf + len, sizeof(buf) - len,
- "%-11s: ", mt7620_mibs[i].name);
- counter = get_mib_counter_7620(priv, i);
- len += snprintf(buf + len, sizeof(buf) - len, "%llu\n",
- counter);
- }
-
- val->value.s = buf;
- val->len = len;
- return 0;
-}
-
-static int mt7530_sw_get_port_mib(struct switch_dev *dev,
- const struct switch_attr *attr,
- struct switch_val *val)
-{
- static char buf[4096];
- struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
- int i, len = 0;
-
- if (val->port_vlan >= MT7530_NUM_PORTS)
- return -EINVAL;
-
- len += snprintf(buf + len, sizeof(buf) - len,
- "Port %d MIB counters\n", val->port_vlan);
-
- for (i = 0; i < ARRAY_SIZE(mt7620_port_mibs); ++i) {
- u64 counter;
- len += snprintf(buf + len, sizeof(buf) - len,
- "%-11s: ", mt7620_port_mibs[i].name);
- counter = get_mib_counter_port_7620(priv, i, val->port_vlan);
- len += snprintf(buf + len, sizeof(buf) - len, "%llu\n",
- counter);
- }
-
- val->value.s = buf;
- val->len = len;
- return 0;
-}
-
-static int mt7530_get_port_stats(struct switch_dev *dev, int port,
- struct switch_port_stats *stats)
-{
- struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
-
- if (port < 0 || port >= MT7530_NUM_PORTS)
- return -EINVAL;
-
- stats->tx_bytes = get_mib_counter_port_7620(priv, MT7530_PORT_MIB_TXB_ID, port);
- stats->rx_bytes = get_mib_counter_port_7620(priv, MT7530_PORT_MIB_RXB_ID, port);
-
- return 0;
-}
-
-static int mt7621_get_port_stats(struct switch_dev *dev, int port,
- struct switch_port_stats *stats)
-{
- struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
-
- if (port < 0 || port >= MT7530_NUM_PORTS)
- return -EINVAL;
-
- stats->tx_bytes = get_mib_counter(priv, MT7621_PORT_MIB_TXB_ID, port);
- stats->rx_bytes = get_mib_counter(priv, MT7621_PORT_MIB_RXB_ID, port);
-
- return 0;
-}
-
-static const struct switch_attr mt7530_global[] = {
- {
- .type = SWITCH_TYPE_INT,
- .name = "enable_vlan",
- .description = "VLAN mode (1:enabled)",
- .max = 1,
- .id = MT7530_ATTR_ENABLE_VLAN,
- .get = mt7530_get_vlan_enable,
- .set = mt7530_set_vlan_enable,
- }, {
- .type = SWITCH_TYPE_STRING,
- .name = "mib",
- .description = "Get MIB counters for switch",
- .get = mt7530_sw_get_mib,
- .set = NULL,
- },
-};
-
-static const struct switch_attr mt7621_port[] = {
- {
- .type = SWITCH_TYPE_STRING,
- .name = "mib",
- .description = "Get MIB counters for port",
- .get = mt7621_sw_get_port_mib,
- .set = NULL,
- },
-};
-
-static const struct switch_attr mt7621_vlan[] = {
- {
- .type = SWITCH_TYPE_INT,
- .name = "vid",
- .description = "VLAN ID (0-4094)",
- .set = mt7530_set_vid,
- .get = mt7621_get_vid,
- .max = 4094,
- },
-};
-
-static const struct switch_attr mt7530_port[] = {
- {
- .type = SWITCH_TYPE_STRING,
- .name = "mib",
- .description = "Get MIB counters for port",
- .get = mt7530_sw_get_port_mib,
- .set = NULL,
- },
-};
-
-static const struct switch_attr mt7530_vlan[] = {
- {
- .type = SWITCH_TYPE_INT,
- .name = "vid",
- .description = "VLAN ID (0-4094)",
- .set = mt7530_set_vid,
- .get = mt7530_get_vid,
- .max = 4094,
- },
-};
-
-static const struct switch_dev_ops mt7621_ops = {
- .attr_global = {
- .attr = mt7530_global,
- .n_attr = ARRAY_SIZE(mt7530_global),
- },
- .attr_port = {
- .attr = mt7621_port,
- .n_attr = ARRAY_SIZE(mt7621_port),
- },
- .attr_vlan = {
- .attr = mt7621_vlan,
- .n_attr = ARRAY_SIZE(mt7621_vlan),
- },
- .get_vlan_ports = mt7530_get_vlan_ports,
- .set_vlan_ports = mt7530_set_vlan_ports,
- .get_port_pvid = mt7530_get_port_pvid,
- .set_port_pvid = mt7530_set_port_pvid,
- .get_port_link = mt7530_get_port_link,
- .get_port_stats = mt7621_get_port_stats,
- .apply_config = mt7530_apply_config,
- .reset_switch = mt7530_reset_switch,
-};
-
-static const struct switch_dev_ops mt7530_ops = {
- .attr_global = {
- .attr = mt7530_global,
- .n_attr = ARRAY_SIZE(mt7530_global),
- },
- .attr_port = {
- .attr = mt7530_port,
- .n_attr = ARRAY_SIZE(mt7530_port),
- },
- .attr_vlan = {
- .attr = mt7530_vlan,
- .n_attr = ARRAY_SIZE(mt7530_vlan),
- },
- .get_vlan_ports = mt7530_get_vlan_ports,
- .set_vlan_ports = mt7530_set_vlan_ports,
- .get_port_pvid = mt7530_get_port_pvid,
- .set_port_pvid = mt7530_set_port_pvid,
- .get_port_link = mt7530_get_port_link,
- .get_port_stats = mt7530_get_port_stats,
- .apply_config = mt7530_apply_config,
- .reset_switch = mt7530_reset_switch,
-};
-
-int
-mt7530_probe(struct device *dev, void __iomem *base, struct mii_bus *bus, int vlan)
-{
- struct switch_dev *swdev;
- struct mt7530_priv *mt7530;
- struct mt7530_mapping *map;
- int ret;
-
- mt7530 = devm_kzalloc(dev, sizeof(struct mt7530_priv), GFP_KERNEL);
- if (!mt7530)
- return -ENOMEM;
-
- mt7530->base = base;
- mt7530->bus = bus;
- mt7530->global_vlan_enable = vlan;
-
- swdev = &mt7530->swdev;
- if (bus) {
- swdev->alias = "mt7530";
- swdev->name = "mt7530";
- } else if (IS_ENABLED(CONFIG_SOC_MT7621)) {
- swdev->alias = "mt7621";
- swdev->name = "mt7621";
- } else {
- swdev->alias = "mt7620";
- swdev->name = "mt7620";
- }
- swdev->cpu_port = MT7530_CPU_PORT;
- swdev->ports = MT7530_NUM_PORTS;
- swdev->vlans = MT7530_NUM_VLANS;
- if (IS_ENABLED(CONFIG_SOC_MT7621))
- swdev->ops = &mt7621_ops;
- else
- swdev->ops = &mt7530_ops;
-
- ret = register_switch(swdev, NULL);
- if (ret) {
- dev_err(dev, "failed to register mt7530\n");
- return ret;
- }
-
-
- map = mt7530_find_mapping(dev->of_node);
- if (map)
- mt7530_apply_mapping(mt7530, map);
- mt7530_apply_config(swdev);
-
- /* magic vodoo */
- if (!IS_ENABLED(CONFIG_SOC_MT7621) && bus && mt7530_r32(mt7530, REG_HWTRAP) != 0x1117edf) {
- dev_info(dev, "fixing up MHWTRAP register - bootloader probably played with it\n");
- mt7530_w32(mt7530, REG_HWTRAP, 0x1117edf);
- }
- dev_info(dev, "loaded %s driver\n", swdev->name);
-
- return 0;
-}
+++ /dev/null
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
- * Copyright (C) 2016 Vitaly Chekryzhev <13hakta@gmail.com>
- */
-
-#ifndef _MT7530_H__
-#define _MT7530_H__
-
-#define MT7620_MIB_COUNTER_BASE_PORT 0x4000
-#define MT7620_MIB_COUNTER_PORT_OFFSET 0x100
-#define MT7620_MIB_COUNTER_BASE 0x1010
-
-/* PPE Accounting Group #0 Byte Counter */
-#define MT7620_MIB_STATS_PPE_AC_BCNT0 0x000
-
-/* PPE Accounting Group #0 Packet Counter */
-#define MT7620_MIB_STATS_PPE_AC_PCNT0 0x004
-
-/* PPE Accounting Group #63 Byte Counter */
-#define MT7620_MIB_STATS_PPE_AC_BCNT63 0x1F8
-
-/* PPE Accounting Group #63 Packet Counter */
-#define MT7620_MIB_STATS_PPE_AC_PCNT63 0x1FC
-
-/* PPE Meter Group #0 */
-#define MT7620_MIB_STATS_PPE_MTR_CNT0 0x200
-
-/* PPE Meter Group #63 */
-#define MT7620_MIB_STATS_PPE_MTR_CNT63 0x2FC
-
-/* Transmit good byte count for CPU GDM */
-#define MT7620_MIB_STATS_GDM1_TX_GBCNT 0x300
-
-/* Transmit good packet count for CPU GDM (exclude flow control frames) */
-#define MT7620_MIB_STATS_GDM1_TX_GPCNT 0x304
-
-/* Transmit abort count for CPU GDM */
-#define MT7620_MIB_STATS_GDM1_TX_SKIPCNT 0x308
-
-/* Transmit collision count for CPU GDM */
-#define MT7620_MIB_STATS_GDM1_TX_COLCNT 0x30C
-
-/* Received good byte count for CPU GDM */
-#define MT7620_MIB_STATS_GDM1_RX_GBCNT1 0x320
-
-/* Received good packet count for CPU GDM (exclude flow control frame) */
-#define MT7620_MIB_STATS_GDM1_RX_GPCNT1 0x324
-
-/* Received overflow error packet count for CPU GDM */
-#define MT7620_MIB_STATS_GDM1_RX_OERCNT 0x328
-
-/* Received FCS error packet count for CPU GDM */
-#define MT7620_MIB_STATS_GDM1_RX_FERCNT 0x32C
-
-/* Received too short error packet count for CPU GDM */
-#define MT7620_MIB_STATS_GDM1_RX_SERCNT 0x330
-
-/* Received too long error packet count for CPU GDM */
-#define MT7620_MIB_STATS_GDM1_RX_LERCNT 0x334
-
-/* Received IP/TCP/UDP checksum error packet count for CPU GDM */
-#define MT7620_MIB_STATS_GDM1_RX_CERCNT 0x338
-
-/* Received flow control pkt count for CPU GDM */
-#define MT7620_MIB_STATS_GDM1_RX_FCCNT 0x33C
-
-/* Transmit good byte count for PPE GDM */
-#define MT7620_MIB_STATS_GDM2_TX_GBCNT 0x340
-
-/* Transmit good packet count for PPE GDM (exclude flow control frames) */
-#define MT7620_MIB_STATS_GDM2_TX_GPCNT 0x344
-
-/* Transmit abort count for PPE GDM */
-#define MT7620_MIB_STATS_GDM2_TX_SKIPCNT 0x348
-
-/* Transmit collision count for PPE GDM */
-#define MT7620_MIB_STATS_GDM2_TX_COLCNT 0x34C
-
-/* Received good byte count for PPE GDM */
-#define MT7620_MIB_STATS_GDM2_RX_GBCNT 0x360
-
-/* Received good packet count for PPE GDM (exclude flow control frame) */
-#define MT7620_MIB_STATS_GDM2_RX_GPCNT 0x364
-
-/* Received overflow error packet count for PPE GDM */
-#define MT7620_MIB_STATS_GDM2_RX_OERCNT 0x368
-
-/* Received FCS error packet count for PPE GDM */
-#define MT7620_MIB_STATS_GDM2_RX_FERCNT 0x36C
-
-/* Received too short error packet count for PPE GDM */
-#define MT7620_MIB_STATS_GDM2_RX_SERCNT 0x370
-
-/* Received too long error packet count for PPE GDM */
-#define MT7620_MIB_STATS_GDM2_RX_LERCNT 0x374
-
-/* Received IP/TCP/UDP checksum error packet count for PPE GDM */
-#define MT7620_MIB_STATS_GDM2_RX_CERCNT 0x378
-
-/* Received flow control pkt count for PPE GDM */
-#define MT7620_MIB_STATS_GDM2_RX_FCCNT 0x37C
-
-/* Tx Packet Counter of Port n */
-#define MT7620_MIB_STATS_PORT_TGPCN 0x10
-
-/* Tx Bad Octet Counter of Port n */
-#define MT7620_MIB_STATS_PORT_TBOCN 0x14
-
-/* Tx Good Octet Counter of Port n */
-#define MT7620_MIB_STATS_PORT_TGOCN 0x18
-
-/* Tx Event Packet Counter of Port n */
-#define MT7620_MIB_STATS_PORT_TEPCN 0x1C
-
-/* Rx Packet Counter of Port n */
-#define MT7620_MIB_STATS_PORT_RGPCN 0x20
-
-/* Rx Bad Octet Counter of Port n */
-#define MT7620_MIB_STATS_PORT_RBOCN 0x24
-
-/* Rx Good Octet Counter of Port n */
-#define MT7620_MIB_STATS_PORT_RGOCN 0x28
-
-/* Rx Event Packet Counter of Port n */
-#define MT7620_MIB_STATS_PORT_REPC1N 0x2C
-
-/* Rx Event Packet Counter of Port n */
-#define MT7620_MIB_STATS_PORT_REPC2N 0x30
-
-#define MT7621_MIB_COUNTER_BASE 0x4000
-#define MT7621_MIB_COUNTER_PORT_OFFSET 0x100
-#define MT7621_STATS_TDPC 0x00
-#define MT7621_STATS_TCRC 0x04
-#define MT7621_STATS_TUPC 0x08
-#define MT7621_STATS_TMPC 0x0C
-#define MT7621_STATS_TBPC 0x10
-#define MT7621_STATS_TCEC 0x14
-#define MT7621_STATS_TSCEC 0x18
-#define MT7621_STATS_TMCEC 0x1C
-#define MT7621_STATS_TDEC 0x20
-#define MT7621_STATS_TLCEC 0x24
-#define MT7621_STATS_TXCEC 0x28
-#define MT7621_STATS_TPPC 0x2C
-#define MT7621_STATS_TL64PC 0x30
-#define MT7621_STATS_TL65PC 0x34
-#define MT7621_STATS_TL128PC 0x38
-#define MT7621_STATS_TL256PC 0x3C
-#define MT7621_STATS_TL512PC 0x40
-#define MT7621_STATS_TL1024PC 0x44
-#define MT7621_STATS_TOC 0x48
-#define MT7621_STATS_RDPC 0x60
-#define MT7621_STATS_RFPC 0x64
-#define MT7621_STATS_RUPC 0x68
-#define MT7621_STATS_RMPC 0x6C
-#define MT7621_STATS_RBPC 0x70
-#define MT7621_STATS_RAEPC 0x74
-#define MT7621_STATS_RCEPC 0x78
-#define MT7621_STATS_RUSPC 0x7C
-#define MT7621_STATS_RFEPC 0x80
-#define MT7621_STATS_ROSPC 0x84
-#define MT7621_STATS_RJEPC 0x88
-#define MT7621_STATS_RPPC 0x8C
-#define MT7621_STATS_RL64PC 0x90
-#define MT7621_STATS_RL65PC 0x94
-#define MT7621_STATS_RL128PC 0x98
-#define MT7621_STATS_RL256PC 0x9C
-#define MT7621_STATS_RL512PC 0xA0
-#define MT7621_STATS_RL1024PC 0xA4
-#define MT7621_STATS_ROC 0xA8
-#define MT7621_STATS_RDPC_CTRL 0xB0
-#define MT7621_STATS_RDPC_ING 0xB4
-#define MT7621_STATS_RDPC_ARL 0xB8
-
-int mt7530_probe(struct device *dev, void __iomem *base, struct mii_bus *bus, int vlan);
-
-#endif
+++ /dev/null
-/* This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Copyright (C) 2014-2016 Sean Wang <sean.wang@mediatek.com>
- * Copyright (C) 2016-2017 John Crispin <blogic@openwrt.org>
- */
-
-#include "mtk_offload.h"
-
-static const char *mtk_foe_entry_state_str[] = {
- "INVALID",
- "UNBIND",
- "BIND",
- "FIN"
-};
-
-static const char *mtk_foe_packet_type_str[] = {
- "IPV4_HNAPT",
- "IPV4_HNAT",
- "IPV6_1T_ROUTE",
- "IPV4_DSLITE",
- "IPV6_3T_ROUTE",
- "IPV6_5T_ROUTE",
- "IPV6_6RD",
-};
-
-#define IPV4_HNAPT 0
-#define IPV4_HNAT 1
-#define IS_IPV4_HNAPT(x) (((x)->bfib1.pkt_type == IPV4_HNAPT) ? 1: 0)
-struct mtk_eth *_eth;
-#define es(entry) (mtk_foe_entry_state_str[entry->bfib1.state])
-//#define ei(entry, end) (MTK_PPE_TBL_SZ - (int)(end - entry))
-#define ei(entry, end) (MTK_PPE_ENTRY_CNT - (int)(end - entry))
-#define pt(entry) (mtk_foe_packet_type_str[entry->ipv4_hnapt.bfib1.pkt_type])
-
-static int mtk_ppe_debugfs_foe_show(struct seq_file *m, void *private)
-{
- struct mtk_eth *eth = _eth;
- struct mtk_foe_entry *entry, *end;
- int i = 0;
-
- entry = eth->foe_table;
- end = eth->foe_table + MTK_PPE_ENTRY_CNT;
-
- while (entry < end) {
- if (IS_IPV4_HNAPT(entry)) {
- __be32 saddr = htonl(entry->ipv4_hnapt.sip);
- __be32 daddr = htonl(entry->ipv4_hnapt.dip);
- __be32 nsaddr = htonl(entry->ipv4_hnapt.new_sip);
- __be32 ndaddr = htonl(entry->ipv4_hnapt.new_dip);
- unsigned char h_dest[ETH_ALEN];
- unsigned char h_source[ETH_ALEN];
-
- *((u32*) h_source) = swab32(entry->ipv4_hnapt.smac_hi);
- *((u16*) &h_source[4]) = swab16(entry->ipv4_hnapt.smac_lo);
- *((u32*) h_dest) = swab32(entry->ipv4_hnapt.dmac_hi);
- *((u16*) &h_dest[4]) = swab16(entry->ipv4_hnapt.dmac_lo);
- seq_printf(m,
- "(%x)0x%05x|state=%s|type=%s|"
- "%pI4:%d->%pI4:%d=>%pI4:%d->%pI4:%d|%pM=>%pM|"
- "etype=0x%04x|info1=0x%x|info2=0x%x|"
- "vlan1=%d|vlan2=%d\n",
- i,
- ei(entry, end), es(entry), pt(entry),
- &saddr, entry->ipv4_hnapt.sport,
- &daddr, entry->ipv4_hnapt.dport,
- &nsaddr, entry->ipv4_hnapt.new_sport,
- &ndaddr, entry->ipv4_hnapt.new_dport, h_source,
- h_dest, ntohs(entry->ipv4_hnapt.etype),
- entry->ipv4_hnapt.info_blk1,
- entry->ipv4_hnapt.info_blk2,
- entry->ipv4_hnapt.vlan1,
- entry->ipv4_hnapt.vlan2);
- } else
- seq_printf(m, "0x%05x state=%s\n",
- ei(entry, end), es(entry));
- entry++;
- i++;
- }
-
- return 0;
-}
-
-static int mtk_ppe_debugfs_foe_open(struct inode *inode, struct file *file)
-{
- return single_open(file, mtk_ppe_debugfs_foe_show, file->private_data);
-}
-
-static const struct file_operations mtk_ppe_debugfs_foe_fops = {
- .open = mtk_ppe_debugfs_foe_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
-
-int mtk_ppe_debugfs_init(struct mtk_eth *eth)
-{
- struct dentry *root;
-
- _eth = eth;
-
- root = debugfs_create_dir("mtk_ppe", NULL);
- if (!root)
- return -ENOMEM;
-
- debugfs_create_file("all_entry", S_IRUGO, root, eth, &mtk_ppe_debugfs_foe_fops);
-
- return 0;
-}
+++ /dev/null
-/* This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
- * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
- * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/dma-mapping.h>
-#include <linux/init.h>
-#include <linux/skbuff.h>
-#include <linux/etherdevice.h>
-#include <linux/ethtool.h>
-#include <linux/platform_device.h>
-#include <linux/of_device.h>
-#include <linux/clk.h>
-#include <linux/of_net.h>
-#include <linux/of_mdio.h>
-#include <linux/if_vlan.h>
-#include <linux/reset.h>
-#include <linux/tcp.h>
-#include <linux/io.h>
-#include <linux/bug.h>
-#include <linux/netfilter.h>
-#include <net/netfilter/nf_flow_table.h>
-
-#include <asm/mach-ralink/ralink_regs.h>
-
-#include "mtk_eth_soc.h"
-#include "mdio.h"
-#include "ethtool.h"
-
-#define MAX_RX_LENGTH 1536
-#define FE_RX_ETH_HLEN (VLAN_ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN)
-#define FE_RX_HLEN (NET_SKB_PAD + FE_RX_ETH_HLEN + NET_IP_ALIGN)
-#define DMA_DUMMY_DESC 0xffffffff
-#define FE_DEFAULT_MSG_ENABLE \
- (NETIF_MSG_DRV | \
- NETIF_MSG_PROBE | \
- NETIF_MSG_LINK | \
- NETIF_MSG_TIMER | \
- NETIF_MSG_IFDOWN | \
- NETIF_MSG_IFUP | \
- NETIF_MSG_RX_ERR | \
- NETIF_MSG_TX_ERR)
-
-#define TX_DMA_DESP2_DEF (TX_DMA_LS0 | TX_DMA_DONE)
-#define TX_DMA_DESP4_DEF (TX_DMA_QN(3) | TX_DMA_PN(1))
-#define NEXT_TX_DESP_IDX(X) (((X) + 1) & (ring->tx_ring_size - 1))
-#define NEXT_RX_DESP_IDX(X) (((X) + 1) & (ring->rx_ring_size - 1))
-
-#define SYSC_REG_RSTCTRL 0x34
-
-static int fe_msg_level = -1;
-module_param_named(msg_level, fe_msg_level, int, 0);
-MODULE_PARM_DESC(msg_level, "Message level (-1=defaults,0=none,...,16=all)");
-
-static const u16 fe_reg_table_default[FE_REG_COUNT] = {
- [FE_REG_PDMA_GLO_CFG] = FE_PDMA_GLO_CFG,
- [FE_REG_PDMA_RST_CFG] = FE_PDMA_RST_CFG,
- [FE_REG_DLY_INT_CFG] = FE_DLY_INT_CFG,
- [FE_REG_TX_BASE_PTR0] = FE_TX_BASE_PTR0,
- [FE_REG_TX_MAX_CNT0] = FE_TX_MAX_CNT0,
- [FE_REG_TX_CTX_IDX0] = FE_TX_CTX_IDX0,
- [FE_REG_TX_DTX_IDX0] = FE_TX_DTX_IDX0,
- [FE_REG_RX_BASE_PTR0] = FE_RX_BASE_PTR0,
- [FE_REG_RX_MAX_CNT0] = FE_RX_MAX_CNT0,
- [FE_REG_RX_CALC_IDX0] = FE_RX_CALC_IDX0,
- [FE_REG_RX_DRX_IDX0] = FE_RX_DRX_IDX0,
- [FE_REG_FE_INT_ENABLE] = FE_FE_INT_ENABLE,
- [FE_REG_FE_INT_STATUS] = FE_FE_INT_STATUS,
- [FE_REG_FE_DMA_VID_BASE] = FE_DMA_VID0,
- [FE_REG_FE_COUNTER_BASE] = FE_GDMA1_TX_GBCNT,
- [FE_REG_FE_RST_GL] = FE_FE_RST_GL,
-};
-
-static const u16 *fe_reg_table = fe_reg_table_default;
-
-struct fe_work_t {
- int bitnr;
- void (*action)(struct fe_priv *);
-};
-
-static void __iomem *fe_base;
-
-void fe_w32(u32 val, unsigned reg)
-{
- __raw_writel(val, fe_base + reg);
-}
-
-u32 fe_r32(unsigned reg)
-{
- return __raw_readl(fe_base + reg);
-}
-
-void fe_reg_w32(u32 val, enum fe_reg reg)
-{
- fe_w32(val, fe_reg_table[reg]);
-}
-
-u32 fe_reg_r32(enum fe_reg reg)
-{
- return fe_r32(fe_reg_table[reg]);
-}
-
-void fe_m32(struct fe_priv *eth, u32 clear, u32 set, unsigned reg)
-{
- u32 val;
-
- spin_lock(ð->page_lock);
- val = __raw_readl(fe_base + reg);
- val &= ~clear;
- val |= set;
- __raw_writel(val, fe_base + reg);
- spin_unlock(ð->page_lock);
-}
-
-void fe_reset(u32 reset_bits)
-{
- u32 t;
-
- t = rt_sysc_r32(SYSC_REG_RSTCTRL);
- t |= reset_bits;
- rt_sysc_w32(t, SYSC_REG_RSTCTRL);
- usleep_range(10, 20);
-
- t &= ~reset_bits;
- rt_sysc_w32(t, SYSC_REG_RSTCTRL);
- usleep_range(10, 20);
-}
-
-static inline void fe_int_disable(u32 mask)
-{
- fe_reg_w32(fe_reg_r32(FE_REG_FE_INT_ENABLE) & ~mask,
- FE_REG_FE_INT_ENABLE);
- /* flush write */
- fe_reg_r32(FE_REG_FE_INT_ENABLE);
-}
-
-static inline void fe_int_enable(u32 mask)
-{
- fe_reg_w32(fe_reg_r32(FE_REG_FE_INT_ENABLE) | mask,
- FE_REG_FE_INT_ENABLE);
- /* flush write */
- fe_reg_r32(FE_REG_FE_INT_ENABLE);
-}
-
-static inline void fe_hw_set_macaddr(struct fe_priv *priv, unsigned char *mac)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&priv->page_lock, flags);
- fe_w32((mac[0] << 8) | mac[1], FE_GDMA1_MAC_ADRH);
- fe_w32((mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5],
- FE_GDMA1_MAC_ADRL);
- spin_unlock_irqrestore(&priv->page_lock, flags);
-}
-
-static int fe_set_mac_address(struct net_device *dev, void *p)
-{
- int ret = eth_mac_addr(dev, p);
-
- if (!ret) {
- struct fe_priv *priv = netdev_priv(dev);
-
- if (priv->soc->set_mac)
- priv->soc->set_mac(priv, dev->dev_addr);
- else
- fe_hw_set_macaddr(priv, p);
- }
-
- return ret;
-}
-
-static inline int fe_max_frag_size(int mtu)
-{
- /* make sure buf_size will be at least MAX_RX_LENGTH */
- if (mtu + FE_RX_ETH_HLEN < MAX_RX_LENGTH)
- mtu = MAX_RX_LENGTH - FE_RX_ETH_HLEN;
-
- return SKB_DATA_ALIGN(FE_RX_HLEN + mtu) +
- SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
-}
-
-static inline int fe_max_buf_size(int frag_size)
-{
- int buf_size = frag_size - NET_SKB_PAD - NET_IP_ALIGN -
- SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
-
- BUG_ON(buf_size < MAX_RX_LENGTH);
- return buf_size;
-}
-
-static inline void fe_get_rxd(struct fe_rx_dma *rxd, struct fe_rx_dma *dma_rxd)
-{
- rxd->rxd1 = dma_rxd->rxd1;
- rxd->rxd2 = dma_rxd->rxd2;
- rxd->rxd3 = dma_rxd->rxd3;
- rxd->rxd4 = dma_rxd->rxd4;
-}
-
-static inline void fe_set_txd(struct fe_tx_dma *txd, struct fe_tx_dma *dma_txd)
-{
- dma_txd->txd1 = txd->txd1;
- dma_txd->txd3 = txd->txd3;
- dma_txd->txd4 = txd->txd4;
- /* clean dma done flag last */
- dma_txd->txd2 = txd->txd2;
-}
-
-static void fe_clean_rx(struct fe_priv *priv)
-{
- struct fe_rx_ring *ring = &priv->rx_ring;
- struct page *page;
- int i;
-
- if (ring->rx_data) {
- for (i = 0; i < ring->rx_ring_size; i++)
- if (ring->rx_data[i]) {
- if (ring->rx_dma && ring->rx_dma[i].rxd1)
- dma_unmap_single(&priv->netdev->dev,
- ring->rx_dma[i].rxd1,
- ring->rx_buf_size,
- DMA_FROM_DEVICE);
- skb_free_frag(ring->rx_data[i]);
- }
-
- kfree(ring->rx_data);
- ring->rx_data = NULL;
- }
-
- if (ring->rx_dma) {
- dma_free_coherent(&priv->netdev->dev,
- ring->rx_ring_size * sizeof(*ring->rx_dma),
- ring->rx_dma,
- ring->rx_phys);
- ring->rx_dma = NULL;
- }
-
- if (!ring->frag_cache.va)
- return;
-
- page = virt_to_page(ring->frag_cache.va);
- __page_frag_cache_drain(page, ring->frag_cache.pagecnt_bias);
- memset(&ring->frag_cache, 0, sizeof(ring->frag_cache));
-}
-
-static int fe_alloc_rx(struct fe_priv *priv)
-{
- struct net_device *netdev = priv->netdev;
- struct fe_rx_ring *ring = &priv->rx_ring;
- int i, pad;
-
- ring->rx_data = kcalloc(ring->rx_ring_size, sizeof(*ring->rx_data),
- GFP_KERNEL);
- if (!ring->rx_data)
- goto no_rx_mem;
-
- for (i = 0; i < ring->rx_ring_size; i++) {
- ring->rx_data[i] = page_frag_alloc(&ring->frag_cache,
- ring->frag_size,
- GFP_KERNEL);
- if (!ring->rx_data[i])
- goto no_rx_mem;
- }
-
- ring->rx_dma = dma_alloc_coherent(&netdev->dev,
- ring->rx_ring_size * sizeof(*ring->rx_dma),
- &ring->rx_phys,
- GFP_ATOMIC | __GFP_ZERO);
- if (!ring->rx_dma)
- goto no_rx_mem;
-
- if (priv->flags & FE_FLAG_RX_2B_OFFSET)
- pad = 0;
- else
- pad = NET_IP_ALIGN;
- for (i = 0; i < ring->rx_ring_size; i++) {
- dma_addr_t dma_addr = dma_map_single(&netdev->dev,
- ring->rx_data[i] + NET_SKB_PAD + pad,
- ring->rx_buf_size,
- DMA_FROM_DEVICE);
- if (unlikely(dma_mapping_error(&netdev->dev, dma_addr)))
- goto no_rx_mem;
- ring->rx_dma[i].rxd1 = (unsigned int)dma_addr;
-
- if (priv->flags & FE_FLAG_RX_SG_DMA)
- ring->rx_dma[i].rxd2 = RX_DMA_PLEN0(ring->rx_buf_size);
- else
- ring->rx_dma[i].rxd2 = RX_DMA_LSO;
- }
- ring->rx_calc_idx = ring->rx_ring_size - 1;
- /* make sure that all changes to the dma ring are flushed before we
- * continue
- */
- wmb();
-
- fe_reg_w32(ring->rx_phys, FE_REG_RX_BASE_PTR0);
- fe_reg_w32(ring->rx_ring_size, FE_REG_RX_MAX_CNT0);
- fe_reg_w32(ring->rx_calc_idx, FE_REG_RX_CALC_IDX0);
- fe_reg_w32(FE_PST_DRX_IDX0, FE_REG_PDMA_RST_CFG);
-
- return 0;
-
-no_rx_mem:
- return -ENOMEM;
-}
-
-static void fe_txd_unmap(struct device *dev, struct fe_tx_buf *tx_buf)
-{
- if (tx_buf->flags & FE_TX_FLAGS_SINGLE0) {
- dma_unmap_single(dev,
- dma_unmap_addr(tx_buf, dma_addr0),
- dma_unmap_len(tx_buf, dma_len0),
- DMA_TO_DEVICE);
- } else if (tx_buf->flags & FE_TX_FLAGS_PAGE0) {
- dma_unmap_page(dev,
- dma_unmap_addr(tx_buf, dma_addr0),
- dma_unmap_len(tx_buf, dma_len0),
- DMA_TO_DEVICE);
- }
- if (tx_buf->flags & FE_TX_FLAGS_PAGE1)
- dma_unmap_page(dev,
- dma_unmap_addr(tx_buf, dma_addr1),
- dma_unmap_len(tx_buf, dma_len1),
- DMA_TO_DEVICE);
-
- tx_buf->flags = 0;
- if (tx_buf->skb && (tx_buf->skb != (struct sk_buff *)DMA_DUMMY_DESC))
- dev_kfree_skb_any(tx_buf->skb);
- tx_buf->skb = NULL;
-}
-
-static void fe_clean_tx(struct fe_priv *priv)
-{
- int i;
- struct device *dev = &priv->netdev->dev;
- struct fe_tx_ring *ring = &priv->tx_ring;
-
- if (ring->tx_buf) {
- for (i = 0; i < ring->tx_ring_size; i++)
- fe_txd_unmap(dev, &ring->tx_buf[i]);
- kfree(ring->tx_buf);
- ring->tx_buf = NULL;
- }
-
- if (ring->tx_dma) {
- dma_free_coherent(dev,
- ring->tx_ring_size * sizeof(*ring->tx_dma),
- ring->tx_dma,
- ring->tx_phys);
- ring->tx_dma = NULL;
- }
-
- netdev_reset_queue(priv->netdev);
-}
-
-static int fe_alloc_tx(struct fe_priv *priv)
-{
- int i;
- struct fe_tx_ring *ring = &priv->tx_ring;
-
- ring->tx_free_idx = 0;
- ring->tx_next_idx = 0;
- ring->tx_thresh = max((unsigned long)ring->tx_ring_size >> 2,
- MAX_SKB_FRAGS);
-
- ring->tx_buf = kcalloc(ring->tx_ring_size, sizeof(*ring->tx_buf),
- GFP_KERNEL);
- if (!ring->tx_buf)
- goto no_tx_mem;
-
- ring->tx_dma = dma_alloc_coherent(&priv->netdev->dev,
- ring->tx_ring_size * sizeof(*ring->tx_dma),
- &ring->tx_phys,
- GFP_ATOMIC | __GFP_ZERO);
- if (!ring->tx_dma)
- goto no_tx_mem;
-
- for (i = 0; i < ring->tx_ring_size; i++) {
- if (priv->soc->tx_dma)
- priv->soc->tx_dma(&ring->tx_dma[i]);
- ring->tx_dma[i].txd2 = TX_DMA_DESP2_DEF;
- }
- /* make sure that all changes to the dma ring are flushed before we
- * continue
- */
- wmb();
-
- fe_reg_w32(ring->tx_phys, FE_REG_TX_BASE_PTR0);
- fe_reg_w32(ring->tx_ring_size, FE_REG_TX_MAX_CNT0);
- fe_reg_w32(0, FE_REG_TX_CTX_IDX0);
- fe_reg_w32(FE_PST_DTX_IDX0, FE_REG_PDMA_RST_CFG);
-
- return 0;
-
-no_tx_mem:
- return -ENOMEM;
-}
-
-static int fe_init_dma(struct fe_priv *priv)
-{
- int err;
-
- err = fe_alloc_tx(priv);
- if (err)
- return err;
-
- err = fe_alloc_rx(priv);
- if (err)
- return err;
-
- return 0;
-}
-
-static void fe_free_dma(struct fe_priv *priv)
-{
- fe_clean_tx(priv);
- fe_clean_rx(priv);
-}
-
-void fe_stats_update(struct fe_priv *priv)
-{
- struct fe_hw_stats *hwstats = priv->hw_stats;
- unsigned int base = fe_reg_table[FE_REG_FE_COUNTER_BASE];
- u64 stats;
-
- u64_stats_update_begin(&hwstats->syncp);
-
- if (IS_ENABLED(CONFIG_SOC_MT7621)) {
- hwstats->rx_bytes += fe_r32(base);
- stats = fe_r32(base + 0x04);
- if (stats)
- hwstats->rx_bytes += (stats << 32);
- hwstats->rx_packets += fe_r32(base + 0x08);
- hwstats->rx_overflow += fe_r32(base + 0x10);
- hwstats->rx_fcs_errors += fe_r32(base + 0x14);
- hwstats->rx_short_errors += fe_r32(base + 0x18);
- hwstats->rx_long_errors += fe_r32(base + 0x1c);
- hwstats->rx_checksum_errors += fe_r32(base + 0x20);
- hwstats->rx_flow_control_packets += fe_r32(base + 0x24);
- hwstats->tx_skip += fe_r32(base + 0x28);
- hwstats->tx_collisions += fe_r32(base + 0x2c);
- hwstats->tx_bytes += fe_r32(base + 0x30);
- stats = fe_r32(base + 0x34);
- if (stats)
- hwstats->tx_bytes += (stats << 32);
- hwstats->tx_packets += fe_r32(base + 0x38);
- } else {
- hwstats->tx_bytes += fe_r32(base);
- hwstats->tx_packets += fe_r32(base + 0x04);
- hwstats->tx_skip += fe_r32(base + 0x08);
- hwstats->tx_collisions += fe_r32(base + 0x0c);
- hwstats->rx_bytes += fe_r32(base + 0x20);
- hwstats->rx_packets += fe_r32(base + 0x24);
- hwstats->rx_overflow += fe_r32(base + 0x28);
- hwstats->rx_fcs_errors += fe_r32(base + 0x2c);
- hwstats->rx_short_errors += fe_r32(base + 0x30);
- hwstats->rx_long_errors += fe_r32(base + 0x34);
- hwstats->rx_checksum_errors += fe_r32(base + 0x38);
- hwstats->rx_flow_control_packets += fe_r32(base + 0x3c);
- }
-
- u64_stats_update_end(&hwstats->syncp);
-}
-
-static void fe_get_stats64(struct net_device *dev,
- struct rtnl_link_stats64 *storage)
-{
- struct fe_priv *priv = netdev_priv(dev);
- struct fe_hw_stats *hwstats = priv->hw_stats;
- unsigned int base = fe_reg_table[FE_REG_FE_COUNTER_BASE];
- unsigned int start;
-
- if (!base) {
- netdev_stats_to_stats64(storage, &dev->stats);
- return;
- }
-
- if (netif_running(dev) && netif_device_present(dev)) {
- if (spin_trylock_bh(&hwstats->stats_lock)) {
- fe_stats_update(priv);
- spin_unlock_bh(&hwstats->stats_lock);
- }
- }
-
- do {
- start = u64_stats_fetch_begin_irq(&hwstats->syncp);
- storage->rx_packets = hwstats->rx_packets;
- storage->tx_packets = hwstats->tx_packets;
- storage->rx_bytes = hwstats->rx_bytes;
- storage->tx_bytes = hwstats->tx_bytes;
- storage->collisions = hwstats->tx_collisions;
- storage->rx_length_errors = hwstats->rx_short_errors +
- hwstats->rx_long_errors;
- storage->rx_over_errors = hwstats->rx_overflow;
- storage->rx_crc_errors = hwstats->rx_fcs_errors;
- storage->rx_errors = hwstats->rx_checksum_errors;
- storage->tx_aborted_errors = hwstats->tx_skip;
- } while (u64_stats_fetch_retry_irq(&hwstats->syncp, start));
-
- storage->tx_errors = priv->netdev->stats.tx_errors;
- storage->rx_dropped = priv->netdev->stats.rx_dropped;
- storage->tx_dropped = priv->netdev->stats.tx_dropped;
-}
-
-static int fe_vlan_rx_add_vid(struct net_device *dev,
- __be16 proto, u16 vid)
-{
- struct fe_priv *priv = netdev_priv(dev);
- u32 idx = (vid & 0xf);
- u32 vlan_cfg;
-
- if (!((fe_reg_table[FE_REG_FE_DMA_VID_BASE]) &&
- (dev->features & NETIF_F_HW_VLAN_CTAG_TX)))
- return 0;
-
- if (test_bit(idx, &priv->vlan_map)) {
- netdev_warn(dev, "disable tx vlan offload\n");
- dev->wanted_features &= ~NETIF_F_HW_VLAN_CTAG_TX;
- netdev_update_features(dev);
- } else {
- vlan_cfg = fe_r32(fe_reg_table[FE_REG_FE_DMA_VID_BASE] +
- ((idx >> 1) << 2));
- if (idx & 0x1) {
- vlan_cfg &= 0xffff;
- vlan_cfg |= (vid << 16);
- } else {
- vlan_cfg &= 0xffff0000;
- vlan_cfg |= vid;
- }
- fe_w32(vlan_cfg, fe_reg_table[FE_REG_FE_DMA_VID_BASE] +
- ((idx >> 1) << 2));
- set_bit(idx, &priv->vlan_map);
- }
-
- return 0;
-}
-
-static int fe_vlan_rx_kill_vid(struct net_device *dev,
- __be16 proto, u16 vid)
-{
- struct fe_priv *priv = netdev_priv(dev);
- u32 idx = (vid & 0xf);
-
- if (!((fe_reg_table[FE_REG_FE_DMA_VID_BASE]) &&
- (dev->features & NETIF_F_HW_VLAN_CTAG_TX)))
- return 0;
-
- clear_bit(idx, &priv->vlan_map);
-
- return 0;
-}
-
-static inline u32 fe_empty_txd(struct fe_tx_ring *ring)
-{
- barrier();
- return (u32)(ring->tx_ring_size -
- ((ring->tx_next_idx - ring->tx_free_idx) &
- (ring->tx_ring_size - 1)));
-}
-
-static int fe_tx_map_dma(struct sk_buff *skb, struct net_device *dev,
- int tx_num, struct fe_tx_ring *ring)
-{
- struct fe_priv *priv = netdev_priv(dev);
- struct skb_frag_struct *frag;
- struct fe_tx_dma txd, *ptxd;
- struct fe_tx_buf *tx_buf;
- dma_addr_t mapped_addr;
- unsigned int nr_frags;
- u32 def_txd4;
- int i, j, k, frag_size, frag_map_size, offset;
-
- tx_buf = &ring->tx_buf[ring->tx_next_idx];
- memset(tx_buf, 0, sizeof(*tx_buf));
- memset(&txd, 0, sizeof(txd));
- nr_frags = skb_shinfo(skb)->nr_frags;
-
- /* init tx descriptor */
- if (priv->soc->tx_dma)
- priv->soc->tx_dma(&txd);
- else
- txd.txd4 = TX_DMA_DESP4_DEF;
- def_txd4 = txd.txd4;
-
- /* TX Checksum offload */
- if (skb->ip_summed == CHECKSUM_PARTIAL)
- txd.txd4 |= TX_DMA_CHKSUM;
-
- /* VLAN header offload */
- if (skb_vlan_tag_present(skb)) {
- u16 tag = skb_vlan_tag_get(skb);
-
- if (IS_ENABLED(CONFIG_SOC_MT7621))
- txd.txd4 |= TX_DMA_INS_VLAN_MT7621 | tag;
- else
- txd.txd4 |= TX_DMA_INS_VLAN |
- ((tag >> VLAN_PRIO_SHIFT) << 4) |
- (tag & 0xF);
- }
-
- /* TSO: fill MSS info in tcp checksum field */
- if (skb_is_gso(skb)) {
- if (skb_cow_head(skb, 0)) {
- netif_warn(priv, tx_err, dev,
- "GSO expand head fail.\n");
- goto err_out;
- }
- if (skb_shinfo(skb)->gso_type &
- (SKB_GSO_TCPV4 | SKB_GSO_TCPV6)) {
- txd.txd4 |= TX_DMA_TSO;
- tcp_hdr(skb)->check = htons(skb_shinfo(skb)->gso_size);
- }
- }
-
- mapped_addr = dma_map_single(&dev->dev, skb->data,
- skb_headlen(skb), DMA_TO_DEVICE);
- if (unlikely(dma_mapping_error(&dev->dev, mapped_addr)))
- goto err_out;
- txd.txd1 = mapped_addr;
- txd.txd2 = TX_DMA_PLEN0(skb_headlen(skb));
-
- tx_buf->flags |= FE_TX_FLAGS_SINGLE0;
- dma_unmap_addr_set(tx_buf, dma_addr0, mapped_addr);
- dma_unmap_len_set(tx_buf, dma_len0, skb_headlen(skb));
-
- /* TX SG offload */
- j = ring->tx_next_idx;
- k = 0;
- for (i = 0; i < nr_frags; i++) {
- offset = 0;
- frag = &skb_shinfo(skb)->frags[i];
- frag_size = skb_frag_size(frag);
-
- while (frag_size > 0) {
- frag_map_size = min(frag_size, TX_DMA_BUF_LEN);
- mapped_addr = skb_frag_dma_map(&dev->dev, frag, offset,
- frag_map_size,
- DMA_TO_DEVICE);
- if (unlikely(dma_mapping_error(&dev->dev, mapped_addr)))
- goto err_dma;
-
- if (k & 0x1) {
- j = NEXT_TX_DESP_IDX(j);
- txd.txd1 = mapped_addr;
- txd.txd2 = TX_DMA_PLEN0(frag_map_size);
- txd.txd4 = def_txd4;
-
- tx_buf = &ring->tx_buf[j];
- memset(tx_buf, 0, sizeof(*tx_buf));
-
- tx_buf->flags |= FE_TX_FLAGS_PAGE0;
- dma_unmap_addr_set(tx_buf, dma_addr0,
- mapped_addr);
- dma_unmap_len_set(tx_buf, dma_len0,
- frag_map_size);
- } else {
- txd.txd3 = mapped_addr;
- txd.txd2 |= TX_DMA_PLEN1(frag_map_size);
-
- tx_buf->skb = (struct sk_buff *)DMA_DUMMY_DESC;
- tx_buf->flags |= FE_TX_FLAGS_PAGE1;
- dma_unmap_addr_set(tx_buf, dma_addr1,
- mapped_addr);
- dma_unmap_len_set(tx_buf, dma_len1,
- frag_map_size);
-
- if (!((i == (nr_frags - 1)) &&
- (frag_map_size == frag_size))) {
- fe_set_txd(&txd, &ring->tx_dma[j]);
- memset(&txd, 0, sizeof(txd));
- }
- }
- frag_size -= frag_map_size;
- offset += frag_map_size;
- k++;
- }
- }
-
- /* set last segment */
- if (k & 0x1)
- txd.txd2 |= TX_DMA_LS1;
- else
- txd.txd2 |= TX_DMA_LS0;
- fe_set_txd(&txd, &ring->tx_dma[j]);
-
- /* store skb to cleanup */
- tx_buf->skb = skb;
-
- netdev_sent_queue(dev, skb->len);
- skb_tx_timestamp(skb);
-
- ring->tx_next_idx = NEXT_TX_DESP_IDX(j);
- /* make sure that all changes to the dma ring are flushed before we
- * continue
- */
- wmb();
- if (unlikely(fe_empty_txd(ring) <= ring->tx_thresh)) {
- netif_stop_queue(dev);
- smp_mb();
- if (unlikely(fe_empty_txd(ring) > ring->tx_thresh))
- netif_wake_queue(dev);
- }
-
- if (netif_xmit_stopped(netdev_get_tx_queue(dev, 0)) || !skb->xmit_more)
- fe_reg_w32(ring->tx_next_idx, FE_REG_TX_CTX_IDX0);
-
- return 0;
-
-err_dma:
- j = ring->tx_next_idx;
- for (i = 0; i < tx_num; i++) {
- ptxd = &ring->tx_dma[j];
- tx_buf = &ring->tx_buf[j];
-
- /* unmap dma */
- fe_txd_unmap(&dev->dev, tx_buf);
-
- ptxd->txd2 = TX_DMA_DESP2_DEF;
- j = NEXT_TX_DESP_IDX(j);
- }
- /* make sure that all changes to the dma ring are flushed before we
- * continue
- */
- wmb();
-
-err_out:
- return -1;
-}
-
-static inline int fe_skb_padto(struct sk_buff *skb, struct fe_priv *priv)
-{
- unsigned int len;
- int ret;
-
- ret = 0;
- if (unlikely(skb->len < VLAN_ETH_ZLEN)) {
- if ((priv->flags & FE_FLAG_PADDING_64B) &&
- !(priv->flags & FE_FLAG_PADDING_BUG))
- return ret;
-
- if (skb_vlan_tag_present(skb))
- len = ETH_ZLEN;
- else if (skb->protocol == cpu_to_be16(ETH_P_8021Q))
- len = VLAN_ETH_ZLEN;
- else if (!(priv->flags & FE_FLAG_PADDING_64B))
- len = ETH_ZLEN;
- else
- return ret;
-
- if (skb->len < len) {
- ret = skb_pad(skb, len - skb->len);
- if (ret < 0)
- return ret;
- skb->len = len;
- skb_set_tail_pointer(skb, len);
- }
- }
-
- return ret;
-}
-
-static inline int fe_cal_txd_req(struct sk_buff *skb)
-{
- int i, nfrags;
- struct skb_frag_struct *frag;
-
- nfrags = 1;
- if (skb_is_gso(skb)) {
- for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
- frag = &skb_shinfo(skb)->frags[i];
- nfrags += DIV_ROUND_UP(frag->size, TX_DMA_BUF_LEN);
- }
- } else {
- nfrags += skb_shinfo(skb)->nr_frags;
- }
-
- return DIV_ROUND_UP(nfrags, 2);
-}
-
-static int fe_start_xmit(struct sk_buff *skb, struct net_device *dev)
-{
- struct fe_priv *priv = netdev_priv(dev);
- struct fe_tx_ring *ring = &priv->tx_ring;
- struct net_device_stats *stats = &dev->stats;
- int tx_num;
- int len = skb->len;
-
- if (fe_skb_padto(skb, priv)) {
- netif_warn(priv, tx_err, dev, "tx padding failed!\n");
- return NETDEV_TX_OK;
- }
-
- tx_num = fe_cal_txd_req(skb);
- if (unlikely(fe_empty_txd(ring) <= tx_num)) {
- netif_stop_queue(dev);
- netif_err(priv, tx_queued, dev,
- "Tx Ring full when queue awake!\n");
- return NETDEV_TX_BUSY;
- }
-
- if (fe_tx_map_dma(skb, dev, tx_num, ring) < 0) {
- stats->tx_dropped++;
- } else {
- stats->tx_packets++;
- stats->tx_bytes += len;
- }
-
- return NETDEV_TX_OK;
-}
-
-static int fe_poll_rx(struct napi_struct *napi, int budget,
- struct fe_priv *priv, u32 rx_intr)
-{
- struct net_device *netdev = priv->netdev;
- struct net_device_stats *stats = &netdev->stats;
- struct fe_soc_data *soc = priv->soc;
- struct fe_rx_ring *ring = &priv->rx_ring;
- int idx = ring->rx_calc_idx;
- u32 checksum_bit;
- struct sk_buff *skb;
- u8 *data, *new_data;
- struct fe_rx_dma *rxd, trxd;
- int done = 0, pad;
-
- if (netdev->features & NETIF_F_RXCSUM)
- checksum_bit = soc->checksum_bit;
- else
- checksum_bit = 0;
-
- if (priv->flags & FE_FLAG_RX_2B_OFFSET)
- pad = 0;
- else
- pad = NET_IP_ALIGN;
-
- while (done < budget) {
- unsigned int pktlen;
- dma_addr_t dma_addr;
-
- idx = NEXT_RX_DESP_IDX(idx);
- rxd = &ring->rx_dma[idx];
- data = ring->rx_data[idx];
-
- fe_get_rxd(&trxd, rxd);
- if (!(trxd.rxd2 & RX_DMA_DONE))
- break;
-
- /* alloc new buffer */
- new_data = page_frag_alloc(&ring->frag_cache, ring->frag_size,
- GFP_ATOMIC);
- if (unlikely(!new_data)) {
- stats->rx_dropped++;
- goto release_desc;
- }
- dma_addr = dma_map_single(&netdev->dev,
- new_data + NET_SKB_PAD + pad,
- ring->rx_buf_size,
- DMA_FROM_DEVICE);
- if (unlikely(dma_mapping_error(&netdev->dev, dma_addr))) {
- skb_free_frag(new_data);
- goto release_desc;
- }
-
- /* receive data */
- skb = build_skb(data, ring->frag_size);
- if (unlikely(!skb)) {
- skb_free_frag(new_data);
- goto release_desc;
- }
- skb_reserve(skb, NET_SKB_PAD + NET_IP_ALIGN);
-
- dma_unmap_single(&netdev->dev, trxd.rxd1,
- ring->rx_buf_size, DMA_FROM_DEVICE);
- pktlen = RX_DMA_GET_PLEN0(trxd.rxd2);
- skb->dev = netdev;
- skb_put(skb, pktlen);
- if (trxd.rxd4 & checksum_bit)
- skb->ip_summed = CHECKSUM_UNNECESSARY;
- else
- skb_checksum_none_assert(skb);
- skb->protocol = eth_type_trans(skb, netdev);
-
-#ifdef CONFIG_NET_MEDIATEK_OFFLOAD
- if (mtk_offload_check_rx(priv, skb, trxd.rxd4) == 0) {
-#endif
- stats->rx_packets++;
- stats->rx_bytes += pktlen;
-
- napi_gro_receive(napi, skb);
-#ifdef CONFIG_NET_MEDIATEK_OFFLOAD
- } else {
- dev_kfree_skb(skb);
- }
-#endif
- ring->rx_data[idx] = new_data;
- rxd->rxd1 = (unsigned int)dma_addr;
-
-release_desc:
- if (priv->flags & FE_FLAG_RX_SG_DMA)
- rxd->rxd2 = RX_DMA_PLEN0(ring->rx_buf_size);
- else
- rxd->rxd2 = RX_DMA_LSO;
-
- ring->rx_calc_idx = idx;
- /* make sure that all changes to the dma ring are flushed before
- * we continue
- */
- wmb();
- fe_reg_w32(ring->rx_calc_idx, FE_REG_RX_CALC_IDX0);
- done++;
- }
-
- if (done < budget)
- fe_reg_w32(rx_intr, FE_REG_FE_INT_STATUS);
-
- return done;
-}
-
-static int fe_poll_tx(struct fe_priv *priv, int budget, u32 tx_intr,
- int *tx_again)
-{
- struct net_device *netdev = priv->netdev;
- struct device *dev = &netdev->dev;
- unsigned int bytes_compl = 0;
- struct sk_buff *skb;
- struct fe_tx_buf *tx_buf;
- int done = 0;
- u32 idx, hwidx;
- struct fe_tx_ring *ring = &priv->tx_ring;
-
- idx = ring->tx_free_idx;
- hwidx = fe_reg_r32(FE_REG_TX_DTX_IDX0);
-
- while ((idx != hwidx) && budget) {
- tx_buf = &ring->tx_buf[idx];
- skb = tx_buf->skb;
-
- if (!skb)
- break;
-
- if (skb != (struct sk_buff *)DMA_DUMMY_DESC) {
- bytes_compl += skb->len;
- done++;
- budget--;
- }
- fe_txd_unmap(dev, tx_buf);
- idx = NEXT_TX_DESP_IDX(idx);
- }
- ring->tx_free_idx = idx;
-
- if (idx == hwidx) {
- /* read hw index again make sure no new tx packet */
- hwidx = fe_reg_r32(FE_REG_TX_DTX_IDX0);
- if (idx == hwidx)
- fe_reg_w32(tx_intr, FE_REG_FE_INT_STATUS);
- else
- *tx_again = 1;
- } else {
- *tx_again = 1;
- }
-
- if (done) {
- netdev_completed_queue(netdev, done, bytes_compl);
- smp_mb();
- if (unlikely(netif_queue_stopped(netdev) &&
- (fe_empty_txd(ring) > ring->tx_thresh)))
- netif_wake_queue(netdev);
- }
-
- return done;
-}
-
-static int fe_poll(struct napi_struct *napi, int budget)
-{
- struct fe_priv *priv = container_of(napi, struct fe_priv, rx_napi);
- struct fe_hw_stats *hwstat = priv->hw_stats;
- int tx_done, rx_done, tx_again;
- u32 status, fe_status, status_reg, mask;
- u32 tx_intr, rx_intr, status_intr;
-
- status = fe_reg_r32(FE_REG_FE_INT_STATUS);
- fe_status = status;
- tx_intr = priv->soc->tx_int;
- rx_intr = priv->soc->rx_int;
- status_intr = priv->soc->status_int;
- tx_done = 0;
- rx_done = 0;
- tx_again = 0;
-
- if (fe_reg_table[FE_REG_FE_INT_STATUS2]) {
- fe_status = fe_reg_r32(FE_REG_FE_INT_STATUS2);
- status_reg = FE_REG_FE_INT_STATUS2;
- } else {
- status_reg = FE_REG_FE_INT_STATUS;
- }
-
- if (status & tx_intr)
- tx_done = fe_poll_tx(priv, budget, tx_intr, &tx_again);
-
- if (status & rx_intr)
- rx_done = fe_poll_rx(napi, budget, priv, rx_intr);
-
- if (unlikely(fe_status & status_intr)) {
- if (hwstat && spin_trylock(&hwstat->stats_lock)) {
- fe_stats_update(priv);
- spin_unlock(&hwstat->stats_lock);
- }
- fe_reg_w32(status_intr, status_reg);
- }
-
- if (unlikely(netif_msg_intr(priv))) {
- mask = fe_reg_r32(FE_REG_FE_INT_ENABLE);
- netdev_info(priv->netdev,
- "done tx %d, rx %d, intr 0x%08x/0x%x\n",
- tx_done, rx_done, status, mask);
- }
-
- if (!tx_again && (rx_done < budget)) {
- status = fe_reg_r32(FE_REG_FE_INT_STATUS);
- if (status & (tx_intr | rx_intr)) {
- /* let napi poll again */
- rx_done = budget;
- goto poll_again;
- }
-
- napi_complete_done(napi, rx_done);
- fe_int_enable(tx_intr | rx_intr);
- } else {
- rx_done = budget;
- }
-
-poll_again:
- return rx_done;
-}
-
-static void fe_tx_timeout(struct net_device *dev)
-{
- struct fe_priv *priv = netdev_priv(dev);
- struct fe_tx_ring *ring = &priv->tx_ring;
-
- priv->netdev->stats.tx_errors++;
- netif_err(priv, tx_err, dev,
- "transmit timed out\n");
- netif_info(priv, drv, dev, "dma_cfg:%08x\n",
- fe_reg_r32(FE_REG_PDMA_GLO_CFG));
- netif_info(priv, drv, dev, "tx_ring=%d, "
- "base=%08x, max=%u, ctx=%u, dtx=%u, fdx=%hu, next=%hu\n",
- 0, fe_reg_r32(FE_REG_TX_BASE_PTR0),
- fe_reg_r32(FE_REG_TX_MAX_CNT0),
- fe_reg_r32(FE_REG_TX_CTX_IDX0),
- fe_reg_r32(FE_REG_TX_DTX_IDX0),
- ring->tx_free_idx,
- ring->tx_next_idx);
- netif_info(priv, drv, dev,
- "rx_ring=%d, base=%08x, max=%u, calc=%u, drx=%u\n",
- 0, fe_reg_r32(FE_REG_RX_BASE_PTR0),
- fe_reg_r32(FE_REG_RX_MAX_CNT0),
- fe_reg_r32(FE_REG_RX_CALC_IDX0),
- fe_reg_r32(FE_REG_RX_DRX_IDX0));
-
- if (!test_and_set_bit(FE_FLAG_RESET_PENDING, priv->pending_flags))
- schedule_work(&priv->pending_work);
-}
-
-static irqreturn_t fe_handle_irq(int irq, void *dev)
-{
- struct fe_priv *priv = netdev_priv(dev);
- u32 status, int_mask;
-
- status = fe_reg_r32(FE_REG_FE_INT_STATUS);
-
- if (unlikely(!status))
- return IRQ_NONE;
-
- int_mask = (priv->soc->rx_int | priv->soc->tx_int);
- if (likely(status & int_mask)) {
- if (likely(napi_schedule_prep(&priv->rx_napi))) {
- fe_int_disable(int_mask);
- __napi_schedule(&priv->rx_napi);
- }
- } else {
- fe_reg_w32(status, FE_REG_FE_INT_STATUS);
- }
-
- return IRQ_HANDLED;
-}
-
-#ifdef CONFIG_NET_POLL_CONTROLLER
-static void fe_poll_controller(struct net_device *dev)
-{
- struct fe_priv *priv = netdev_priv(dev);
- u32 int_mask = priv->soc->tx_int | priv->soc->rx_int;
-
- fe_int_disable(int_mask);
- fe_handle_irq(dev->irq, dev);
- fe_int_enable(int_mask);
-}
-#endif
-
-int fe_set_clock_cycle(struct fe_priv *priv)
-{
- unsigned long sysclk = priv->sysclk;
-
- sysclk /= FE_US_CYC_CNT_DIVISOR;
- sysclk <<= FE_US_CYC_CNT_SHIFT;
-
- fe_w32((fe_r32(FE_FE_GLO_CFG) &
- ~(FE_US_CYC_CNT_MASK << FE_US_CYC_CNT_SHIFT)) |
- sysclk,
- FE_FE_GLO_CFG);
- return 0;
-}
-
-void fe_fwd_config(struct fe_priv *priv)
-{
- u32 fwd_cfg;
-
- fwd_cfg = fe_r32(FE_GDMA1_FWD_CFG);
-
- /* disable jumbo frame */
- if (priv->flags & FE_FLAG_JUMBO_FRAME)
- fwd_cfg &= ~FE_GDM1_JMB_EN;
-
- /* set unicast/multicast/broadcast frame to cpu */
- fwd_cfg &= ~0xffff;
-
- fe_w32(fwd_cfg, FE_GDMA1_FWD_CFG);
-}
-
-static void fe_rxcsum_config(bool enable)
-{
- if (enable)
- fe_w32(fe_r32(FE_GDMA1_FWD_CFG) | (FE_GDM1_ICS_EN |
- FE_GDM1_TCS_EN | FE_GDM1_UCS_EN),
- FE_GDMA1_FWD_CFG);
- else
- fe_w32(fe_r32(FE_GDMA1_FWD_CFG) & ~(FE_GDM1_ICS_EN |
- FE_GDM1_TCS_EN | FE_GDM1_UCS_EN),
- FE_GDMA1_FWD_CFG);
-}
-
-static void fe_txcsum_config(bool enable)
-{
- if (enable)
- fe_w32(fe_r32(FE_CDMA_CSG_CFG) | (FE_ICS_GEN_EN |
- FE_TCS_GEN_EN | FE_UCS_GEN_EN),
- FE_CDMA_CSG_CFG);
- else
- fe_w32(fe_r32(FE_CDMA_CSG_CFG) & ~(FE_ICS_GEN_EN |
- FE_TCS_GEN_EN | FE_UCS_GEN_EN),
- FE_CDMA_CSG_CFG);
-}
-
-void fe_csum_config(struct fe_priv *priv)
-{
- struct net_device *dev = priv_netdev(priv);
-
- fe_txcsum_config((dev->features & NETIF_F_IP_CSUM));
- fe_rxcsum_config((dev->features & NETIF_F_RXCSUM));
-}
-
-static int fe_hw_init(struct net_device *dev)
-{
- struct fe_priv *priv = netdev_priv(dev);
- int i, err;
-
- err = devm_request_irq(priv->dev, dev->irq, fe_handle_irq, 0,
- dev_name(priv->dev), dev);
- if (err)
- return err;
-
- if (priv->soc->set_mac)
- priv->soc->set_mac(priv, dev->dev_addr);
- else
- fe_hw_set_macaddr(priv, dev->dev_addr);
-
- /* disable delay interrupt */
- fe_reg_w32(0, FE_REG_DLY_INT_CFG);
-
- fe_int_disable(priv->soc->tx_int | priv->soc->rx_int);
-
- /* frame engine will push VLAN tag regarding to VIDX feild in Tx desc */
- if (fe_reg_table[FE_REG_FE_DMA_VID_BASE])
- for (i = 0; i < 16; i += 2)
- fe_w32(((i + 1) << 16) + i,
- fe_reg_table[FE_REG_FE_DMA_VID_BASE] +
- (i * 2));
-
- if (priv->soc->fwd_config(priv))
- netdev_err(dev, "unable to get clock\n");
-
- if (fe_reg_table[FE_REG_FE_RST_GL]) {
- fe_reg_w32(1, FE_REG_FE_RST_GL);
- fe_reg_w32(0, FE_REG_FE_RST_GL);
- }
-
- return 0;
-}
-
-static int fe_open(struct net_device *dev)
-{
- struct fe_priv *priv = netdev_priv(dev);
- unsigned long flags;
- u32 val;
- int err;
-
- err = fe_init_dma(priv);
- if (err) {
- fe_free_dma(priv);
- return err;
- }
-
- spin_lock_irqsave(&priv->page_lock, flags);
-
- val = FE_TX_WB_DDONE | FE_RX_DMA_EN | FE_TX_DMA_EN;
- if (priv->flags & FE_FLAG_RX_2B_OFFSET)
- val |= FE_RX_2B_OFFSET;
- val |= priv->soc->pdma_glo_cfg;
- fe_reg_w32(val, FE_REG_PDMA_GLO_CFG);
-
- spin_unlock_irqrestore(&priv->page_lock, flags);
-
- if (priv->phy)
- priv->phy->start(priv);
-
- if (priv->soc->has_carrier && priv->soc->has_carrier(priv))
- netif_carrier_on(dev);
-
- napi_enable(&priv->rx_napi);
- fe_int_enable(priv->soc->tx_int | priv->soc->rx_int);
- netif_start_queue(dev);
-#ifdef CONFIG_NET_MEDIATEK_OFFLOAD
- mtk_ppe_probe(priv);
-#endif
-
- return 0;
-}
-
-static int fe_stop(struct net_device *dev)
-{
- struct fe_priv *priv = netdev_priv(dev);
- unsigned long flags;
- int i;
-
- netif_tx_disable(dev);
- fe_int_disable(priv->soc->tx_int | priv->soc->rx_int);
- napi_disable(&priv->rx_napi);
-
- if (priv->phy)
- priv->phy->stop(priv);
-
- spin_lock_irqsave(&priv->page_lock, flags);
-
- fe_reg_w32(fe_reg_r32(FE_REG_PDMA_GLO_CFG) &
- ~(FE_TX_WB_DDONE | FE_RX_DMA_EN | FE_TX_DMA_EN),
- FE_REG_PDMA_GLO_CFG);
- spin_unlock_irqrestore(&priv->page_lock, flags);
-
- /* wait dma stop */
- for (i = 0; i < 10; i++) {
- if (fe_reg_r32(FE_REG_PDMA_GLO_CFG) &
- (FE_TX_DMA_BUSY | FE_RX_DMA_BUSY)) {
- msleep(20);
- continue;
- }
- break;
- }
-
- fe_free_dma(priv);
-
-#ifdef CONFIG_NET_MEDIATEK_OFFLOAD
- mtk_ppe_remove(priv);
-#endif
-
- return 0;
-}
-
-static int __init fe_init(struct net_device *dev)
-{
- struct fe_priv *priv = netdev_priv(dev);
- struct device_node *port;
- const char *mac_addr;
- int err;
-
- priv->soc->reset_fe();
-
- if (priv->soc->switch_init)
- if (priv->soc->switch_init(priv)) {
- netdev_err(dev, "failed to initialize switch core\n");
- return -ENODEV;
- }
-
- mac_addr = of_get_mac_address(priv->dev->of_node);
- if (mac_addr)
- ether_addr_copy(dev->dev_addr, mac_addr);
-
- /* If the mac address is invalid, use random mac address */
- if (!is_valid_ether_addr(dev->dev_addr)) {
- random_ether_addr(dev->dev_addr);
- dev_err(priv->dev, "generated random MAC address %pM\n",
- dev->dev_addr);
- }
-
- err = fe_mdio_init(priv);
- if (err)
- return err;
-
- if (priv->soc->port_init)
- for_each_child_of_node(priv->dev->of_node, port)
- if (of_device_is_compatible(port, "mediatek,eth-port") &&
- of_device_is_available(port))
- priv->soc->port_init(priv, port);
-
- if (priv->phy) {
- err = priv->phy->connect(priv);
- if (err)
- goto err_phy_disconnect;
- }
-
- err = fe_hw_init(dev);
- if (err)
- goto err_phy_disconnect;
-
- if ((priv->flags & FE_FLAG_HAS_SWITCH) && priv->soc->switch_config)
- priv->soc->switch_config(priv);
-
- return 0;
-
-err_phy_disconnect:
- if (priv->phy)
- priv->phy->disconnect(priv);
- fe_mdio_cleanup(priv);
-
- return err;
-}
-
-static void fe_uninit(struct net_device *dev)
-{
- struct fe_priv *priv = netdev_priv(dev);
-
- if (priv->phy)
- priv->phy->disconnect(priv);
- fe_mdio_cleanup(priv);
-
- fe_reg_w32(0, FE_REG_FE_INT_ENABLE);
- free_irq(dev->irq, dev);
-}
-
-static int fe_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
-{
- struct fe_priv *priv = netdev_priv(dev);
-
- if (!priv->phy_dev)
- return -ENODEV;
-
- switch (cmd) {
- case SIOCETHTOOL:
- return phy_ethtool_ioctl(priv->phy_dev,
- (void *) ifr->ifr_data);
- case SIOCGMIIPHY:
- case SIOCGMIIREG:
- case SIOCSMIIREG:
- return phy_mii_ioctl(priv->phy_dev, ifr, cmd);
- default:
- break;
- }
-
- return -EOPNOTSUPP;
-}
-
-static int fe_change_mtu(struct net_device *dev, int new_mtu)
-{
- struct fe_priv *priv = netdev_priv(dev);
- int frag_size, old_mtu;
- u32 fwd_cfg;
-
- old_mtu = dev->mtu;
- dev->mtu = new_mtu;
-
- if (!(priv->flags & FE_FLAG_JUMBO_FRAME))
- return 0;
-
- /* return early if the buffer sizes will not change */
- if (old_mtu <= ETH_DATA_LEN && new_mtu <= ETH_DATA_LEN)
- return 0;
- if (old_mtu > ETH_DATA_LEN && new_mtu > ETH_DATA_LEN)
- return 0;
-
- if (new_mtu <= ETH_DATA_LEN)
- priv->rx_ring.frag_size = fe_max_frag_size(ETH_DATA_LEN);
- else
- priv->rx_ring.frag_size = PAGE_SIZE;
- priv->rx_ring.rx_buf_size = fe_max_buf_size(priv->rx_ring.frag_size);
-
- if (!netif_running(dev))
- return 0;
-
- fe_stop(dev);
- if (!IS_ENABLED(CONFIG_SOC_MT7621)) {
- fwd_cfg = fe_r32(FE_GDMA1_FWD_CFG);
- if (new_mtu <= ETH_DATA_LEN) {
- fwd_cfg &= ~FE_GDM1_JMB_EN;
- } else {
- frag_size = fe_max_frag_size(new_mtu);
- fwd_cfg &= ~(FE_GDM1_JMB_LEN_MASK << FE_GDM1_JMB_LEN_SHIFT);
- fwd_cfg |= (DIV_ROUND_UP(frag_size, 1024) <<
- FE_GDM1_JMB_LEN_SHIFT) | FE_GDM1_JMB_EN;
- }
- fe_w32(fwd_cfg, FE_GDMA1_FWD_CFG);
- }
-
- return fe_open(dev);
-}
-
-#ifdef CONFIG_NET_MEDIATEK_OFFLOAD
-static int
-fe_flow_offload(enum flow_offload_type type, struct flow_offload *flow,
- struct flow_offload_hw_path *src,
- struct flow_offload_hw_path *dest)
-{
- struct fe_priv *priv;
-
- if (src->dev != dest->dev)
- return -EINVAL;
-
- priv = netdev_priv(src->dev);
-
- return mtk_flow_offload(priv, type, flow, src, dest);
-}
-#endif
-
-static const struct net_device_ops fe_netdev_ops = {
- .ndo_init = fe_init,
- .ndo_uninit = fe_uninit,
- .ndo_open = fe_open,
- .ndo_stop = fe_stop,
- .ndo_start_xmit = fe_start_xmit,
- .ndo_set_mac_address = fe_set_mac_address,
- .ndo_validate_addr = eth_validate_addr,
- .ndo_do_ioctl = fe_do_ioctl,
- .ndo_change_mtu = fe_change_mtu,
- .ndo_tx_timeout = fe_tx_timeout,
- .ndo_get_stats64 = fe_get_stats64,
- .ndo_vlan_rx_add_vid = fe_vlan_rx_add_vid,
- .ndo_vlan_rx_kill_vid = fe_vlan_rx_kill_vid,
-#ifdef CONFIG_NET_POLL_CONTROLLER
- .ndo_poll_controller = fe_poll_controller,
-#endif
-#ifdef CONFIG_NET_MEDIATEK_OFFLOAD
- .ndo_flow_offload = fe_flow_offload,
-#endif
-};
-
-static void fe_reset_pending(struct fe_priv *priv)
-{
- struct net_device *dev = priv->netdev;
- int err;
-
- rtnl_lock();
- fe_stop(dev);
-
- err = fe_open(dev);
- if (err) {
- netif_alert(priv, ifup, dev,
- "Driver up/down cycle failed, closing device.\n");
- dev_close(dev);
- }
- rtnl_unlock();
-}
-
-static const struct fe_work_t fe_work[] = {
- {FE_FLAG_RESET_PENDING, fe_reset_pending},
-};
-
-static void fe_pending_work(struct work_struct *work)
-{
- struct fe_priv *priv = container_of(work, struct fe_priv, pending_work);
- int i;
- bool pending;
-
- for (i = 0; i < ARRAY_SIZE(fe_work); i++) {
- pending = test_and_clear_bit(fe_work[i].bitnr,
- priv->pending_flags);
- if (pending)
- fe_work[i].action(priv);
- }
-}
-
-static int fe_probe(struct platform_device *pdev)
-{
- struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- const struct of_device_id *match;
- struct fe_soc_data *soc;
- struct net_device *netdev;
- struct fe_priv *priv;
- struct clk *sysclk;
- int err, napi_weight;
-
- device_reset(&pdev->dev);
-
- match = of_match_device(of_fe_match, &pdev->dev);
- soc = (struct fe_soc_data *)match->data;
-
- if (soc->reg_table)
- fe_reg_table = soc->reg_table;
- else
- soc->reg_table = fe_reg_table;
-
- fe_base = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(fe_base)) {
- err = -EADDRNOTAVAIL;
- goto err_out;
- }
-
- netdev = alloc_etherdev(sizeof(*priv));
- if (!netdev) {
- dev_err(&pdev->dev, "alloc_etherdev failed\n");
- err = -ENOMEM;
- goto err_iounmap;
- }
-
- SET_NETDEV_DEV(netdev, &pdev->dev);
- netdev->netdev_ops = &fe_netdev_ops;
- netdev->base_addr = (unsigned long)fe_base;
-
- netdev->irq = platform_get_irq(pdev, 0);
- if (netdev->irq < 0) {
- dev_err(&pdev->dev, "no IRQ resource found\n");
- err = -ENXIO;
- goto err_free_dev;
- }
-
- if (soc->init_data)
- soc->init_data(soc, netdev);
- netdev->vlan_features = netdev->hw_features & ~NETIF_F_HW_VLAN_CTAG_TX;
- netdev->features |= netdev->hw_features;
-
- if (IS_ENABLED(CONFIG_SOC_MT7621))
- netdev->max_mtu = 2048;
-
- /* fake rx vlan filter func. to support tx vlan offload func */
- if (fe_reg_table[FE_REG_FE_DMA_VID_BASE])
- netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
-
- priv = netdev_priv(netdev);
- spin_lock_init(&priv->page_lock);
- if (fe_reg_table[FE_REG_FE_COUNTER_BASE]) {
- priv->hw_stats = kzalloc(sizeof(*priv->hw_stats), GFP_KERNEL);
- if (!priv->hw_stats) {
- err = -ENOMEM;
- goto err_free_dev;
- }
- spin_lock_init(&priv->hw_stats->stats_lock);
- }
-
- sysclk = devm_clk_get(&pdev->dev, NULL);
- if (!IS_ERR(sysclk)) {
- priv->sysclk = clk_get_rate(sysclk);
- } else if ((priv->flags & FE_FLAG_CALIBRATE_CLK)) {
- dev_err(&pdev->dev, "this soc needs a clk for calibration\n");
- err = -ENXIO;
- goto err_free_dev;
- }
-
- priv->switch_np = of_parse_phandle(pdev->dev.of_node, "mediatek,switch", 0);
- if ((priv->flags & FE_FLAG_HAS_SWITCH) && !priv->switch_np) {
- dev_err(&pdev->dev, "failed to read switch phandle\n");
- err = -ENODEV;
- goto err_free_dev;
- }
-
- priv->netdev = netdev;
- priv->dev = &pdev->dev;
- priv->soc = soc;
- priv->msg_enable = netif_msg_init(fe_msg_level, FE_DEFAULT_MSG_ENABLE);
- priv->rx_ring.frag_size = fe_max_frag_size(ETH_DATA_LEN);
- priv->rx_ring.rx_buf_size = fe_max_buf_size(priv->rx_ring.frag_size);
- priv->tx_ring.tx_ring_size = NUM_DMA_DESC;
- priv->rx_ring.rx_ring_size = NUM_DMA_DESC;
- INIT_WORK(&priv->pending_work, fe_pending_work);
- u64_stats_init(&priv->hw_stats->syncp);
-
- napi_weight = 16;
- if (priv->flags & FE_FLAG_NAPI_WEIGHT) {
- napi_weight *= 4;
- priv->tx_ring.tx_ring_size *= 4;
- priv->rx_ring.rx_ring_size *= 4;
- }
- netif_napi_add(netdev, &priv->rx_napi, fe_poll, napi_weight);
- fe_set_ethtool_ops(netdev);
-
- err = register_netdev(netdev);
- if (err) {
- dev_err(&pdev->dev, "error bringing up device\n");
- goto err_free_dev;
- }
-
- platform_set_drvdata(pdev, netdev);
-
- netif_info(priv, probe, netdev, "mediatek frame engine at 0x%08lx, irq %d\n",
- netdev->base_addr, netdev->irq);
-
- return 0;
-
-err_free_dev:
- free_netdev(netdev);
-err_iounmap:
- devm_iounmap(&pdev->dev, fe_base);
-err_out:
- return err;
-}
-
-static int fe_remove(struct platform_device *pdev)
-{
- struct net_device *dev = platform_get_drvdata(pdev);
- struct fe_priv *priv = netdev_priv(dev);
-
- netif_napi_del(&priv->rx_napi);
- kfree(priv->hw_stats);
-
- cancel_work_sync(&priv->pending_work);
-
- unregister_netdev(dev);
- free_netdev(dev);
- platform_set_drvdata(pdev, NULL);
-
- return 0;
-}
-
-static struct platform_driver fe_driver = {
- .probe = fe_probe,
- .remove = fe_remove,
- .driver = {
- .name = "mtk_soc_eth",
- .owner = THIS_MODULE,
- .of_match_table = of_fe_match,
- },
-};
-
-module_platform_driver(fe_driver);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
-MODULE_DESCRIPTION("Ethernet driver for Ralink SoC");
-MODULE_VERSION(MTK_FE_DRV_VERSION);
+++ /dev/null
-/* This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
- * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
- * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
- */
-
-#ifndef FE_ETH_H
-#define FE_ETH_H
-
-#include <linux/mii.h>
-#include <linux/interrupt.h>
-#include <linux/netdevice.h>
-#include <linux/dma-mapping.h>
-#include <linux/phy.h>
-#include <linux/ethtool.h>
-#include <linux/version.h>
-
-enum fe_reg {
- FE_REG_PDMA_GLO_CFG = 0,
- FE_REG_PDMA_RST_CFG,
- FE_REG_DLY_INT_CFG,
- FE_REG_TX_BASE_PTR0,
- FE_REG_TX_MAX_CNT0,
- FE_REG_TX_CTX_IDX0,
- FE_REG_TX_DTX_IDX0,
- FE_REG_RX_BASE_PTR0,
- FE_REG_RX_MAX_CNT0,
- FE_REG_RX_CALC_IDX0,
- FE_REG_RX_DRX_IDX0,
- FE_REG_FE_INT_ENABLE,
- FE_REG_FE_INT_STATUS,
- FE_REG_FE_DMA_VID_BASE,
- FE_REG_FE_COUNTER_BASE,
- FE_REG_FE_RST_GL,
- FE_REG_FE_INT_STATUS2,
- FE_REG_COUNT
-};
-
-enum fe_work_flag {
- FE_FLAG_RESET_PENDING,
- FE_FLAG_MAX
-};
-
-#define MTK_FE_DRV_VERSION "0.1.2"
-
-/* power of 2 to let NEXT_TX_DESP_IDX work */
-#define NUM_DMA_DESC BIT(10)
-#define MAX_DMA_DESC 0xfff
-
-#define FE_DELAY_EN_INT 0x80
-#define FE_DELAY_MAX_INT 0x04
-#define FE_DELAY_MAX_TOUT 0x04
-#define FE_DELAY_TIME 20
-#define FE_DELAY_CHAN (((FE_DELAY_EN_INT | FE_DELAY_MAX_INT) << 8) | \
- FE_DELAY_MAX_TOUT)
-#define FE_DELAY_INIT ((FE_DELAY_CHAN << 16) | FE_DELAY_CHAN)
-#define FE_PSE_FQFC_CFG_INIT 0x80504000
-#define FE_PSE_FQFC_CFG_256Q 0xff908000
-
-/* interrupt bits */
-#define FE_CNT_PPE_AF BIT(31)
-#define FE_CNT_GDM_AF BIT(29)
-#define FE_PSE_P2_FC BIT(26)
-#define FE_PSE_BUF_DROP BIT(24)
-#define FE_GDM_OTHER_DROP BIT(23)
-#define FE_PSE_P1_FC BIT(22)
-#define FE_PSE_P0_FC BIT(21)
-#define FE_PSE_FQ_EMPTY BIT(20)
-#define FE_GE1_STA_CHG BIT(18)
-#define FE_TX_COHERENT BIT(17)
-#define FE_RX_COHERENT BIT(16)
-#define FE_TX_DONE_INT3 BIT(11)
-#define FE_TX_DONE_INT2 BIT(10)
-#define FE_TX_DONE_INT1 BIT(9)
-#define FE_TX_DONE_INT0 BIT(8)
-#define FE_RX_DONE_INT0 BIT(2)
-#define FE_TX_DLY_INT BIT(1)
-#define FE_RX_DLY_INT BIT(0)
-
-#define FE_RX_DONE_INT FE_RX_DONE_INT0
-#define FE_TX_DONE_INT (FE_TX_DONE_INT0 | FE_TX_DONE_INT1 | \
- FE_TX_DONE_INT2 | FE_TX_DONE_INT3)
-
-#define RT5350_RX_DLY_INT BIT(30)
-#define RT5350_TX_DLY_INT BIT(28)
-#define RT5350_RX_DONE_INT1 BIT(17)
-#define RT5350_RX_DONE_INT0 BIT(16)
-#define RT5350_TX_DONE_INT3 BIT(3)
-#define RT5350_TX_DONE_INT2 BIT(2)
-#define RT5350_TX_DONE_INT1 BIT(1)
-#define RT5350_TX_DONE_INT0 BIT(0)
-
-#define RT5350_RX_DONE_INT (RT5350_RX_DONE_INT0 | RT5350_RX_DONE_INT1)
-#define RT5350_TX_DONE_INT (RT5350_TX_DONE_INT0 | RT5350_TX_DONE_INT1 | \
- RT5350_TX_DONE_INT2 | RT5350_TX_DONE_INT3)
-
-/* registers */
-#define FE_FE_OFFSET 0x0000
-#define FE_GDMA_OFFSET 0x0020
-#define FE_PSE_OFFSET 0x0040
-#define FE_GDMA2_OFFSET 0x0060
-#define FE_CDMA_OFFSET 0x0080
-#define FE_DMA_VID0 0x00a8
-#define FE_PDMA_OFFSET 0x0100
-#define FE_PPE_OFFSET 0x0200
-#define FE_CMTABLE_OFFSET 0x0400
-#define FE_POLICYTABLE_OFFSET 0x1000
-
-#define RT5350_PDMA_OFFSET 0x0800
-#define RT5350_SDM_OFFSET 0x0c00
-
-#define FE_MDIO_ACCESS (FE_FE_OFFSET + 0x00)
-#define FE_MDIO_CFG (FE_FE_OFFSET + 0x04)
-#define FE_FE_GLO_CFG (FE_FE_OFFSET + 0x08)
-#define FE_FE_RST_GL (FE_FE_OFFSET + 0x0C)
-#define FE_FE_INT_STATUS (FE_FE_OFFSET + 0x10)
-#define FE_FE_INT_ENABLE (FE_FE_OFFSET + 0x14)
-#define FE_MDIO_CFG2 (FE_FE_OFFSET + 0x18)
-#define FE_FOC_TS_T (FE_FE_OFFSET + 0x1C)
-
-#define FE_GDMA1_FWD_CFG (FE_GDMA_OFFSET + 0x00)
-#define FE_GDMA1_SCH_CFG (FE_GDMA_OFFSET + 0x04)
-#define FE_GDMA1_SHPR_CFG (FE_GDMA_OFFSET + 0x08)
-#define FE_GDMA1_MAC_ADRL (FE_GDMA_OFFSET + 0x0C)
-#define FE_GDMA1_MAC_ADRH (FE_GDMA_OFFSET + 0x10)
-
-#define FE_GDMA2_FWD_CFG (FE_GDMA2_OFFSET + 0x00)
-#define FE_GDMA2_SCH_CFG (FE_GDMA2_OFFSET + 0x04)
-#define FE_GDMA2_SHPR_CFG (FE_GDMA2_OFFSET + 0x08)
-#define FE_GDMA2_MAC_ADRL (FE_GDMA2_OFFSET + 0x0C)
-#define FE_GDMA2_MAC_ADRH (FE_GDMA2_OFFSET + 0x10)
-
-#define FE_PSE_FQ_CFG (FE_PSE_OFFSET + 0x00)
-#define FE_CDMA_FC_CFG (FE_PSE_OFFSET + 0x04)
-#define FE_GDMA1_FC_CFG (FE_PSE_OFFSET + 0x08)
-#define FE_GDMA2_FC_CFG (FE_PSE_OFFSET + 0x0C)
-
-#define FE_CDMA_CSG_CFG (FE_CDMA_OFFSET + 0x00)
-#define FE_CDMA_SCH_CFG (FE_CDMA_OFFSET + 0x04)
-
-#ifdef CONFIG_SOC_MT7621
-#define MT7620A_GDMA_OFFSET 0x0500
-#else
-#define MT7620A_GDMA_OFFSET 0x0600
-#endif
-#define MT7620A_GDMA1_FWD_CFG (MT7620A_GDMA_OFFSET + 0x00)
-#define MT7620A_FE_GDMA1_SCH_CFG (MT7620A_GDMA_OFFSET + 0x04)
-#define MT7620A_FE_GDMA1_SHPR_CFG (MT7620A_GDMA_OFFSET + 0x08)
-#define MT7620A_FE_GDMA1_MAC_ADRL (MT7620A_GDMA_OFFSET + 0x0C)
-#define MT7620A_FE_GDMA1_MAC_ADRH (MT7620A_GDMA_OFFSET + 0x10)
-
-#define RT5350_TX_BASE_PTR0 (RT5350_PDMA_OFFSET + 0x00)
-#define RT5350_TX_MAX_CNT0 (RT5350_PDMA_OFFSET + 0x04)
-#define RT5350_TX_CTX_IDX0 (RT5350_PDMA_OFFSET + 0x08)
-#define RT5350_TX_DTX_IDX0 (RT5350_PDMA_OFFSET + 0x0C)
-#define RT5350_TX_BASE_PTR1 (RT5350_PDMA_OFFSET + 0x10)
-#define RT5350_TX_MAX_CNT1 (RT5350_PDMA_OFFSET + 0x14)
-#define RT5350_TX_CTX_IDX1 (RT5350_PDMA_OFFSET + 0x18)
-#define RT5350_TX_DTX_IDX1 (RT5350_PDMA_OFFSET + 0x1C)
-#define RT5350_TX_BASE_PTR2 (RT5350_PDMA_OFFSET + 0x20)
-#define RT5350_TX_MAX_CNT2 (RT5350_PDMA_OFFSET + 0x24)
-#define RT5350_TX_CTX_IDX2 (RT5350_PDMA_OFFSET + 0x28)
-#define RT5350_TX_DTX_IDX2 (RT5350_PDMA_OFFSET + 0x2C)
-#define RT5350_TX_BASE_PTR3 (RT5350_PDMA_OFFSET + 0x30)
-#define RT5350_TX_MAX_CNT3 (RT5350_PDMA_OFFSET + 0x34)
-#define RT5350_TX_CTX_IDX3 (RT5350_PDMA_OFFSET + 0x38)
-#define RT5350_TX_DTX_IDX3 (RT5350_PDMA_OFFSET + 0x3C)
-#define RT5350_RX_BASE_PTR0 (RT5350_PDMA_OFFSET + 0x100)
-#define RT5350_RX_MAX_CNT0 (RT5350_PDMA_OFFSET + 0x104)
-#define RT5350_RX_CALC_IDX0 (RT5350_PDMA_OFFSET + 0x108)
-#define RT5350_RX_DRX_IDX0 (RT5350_PDMA_OFFSET + 0x10C)
-#define RT5350_RX_BASE_PTR1 (RT5350_PDMA_OFFSET + 0x110)
-#define RT5350_RX_MAX_CNT1 (RT5350_PDMA_OFFSET + 0x114)
-#define RT5350_RX_CALC_IDX1 (RT5350_PDMA_OFFSET + 0x118)
-#define RT5350_RX_DRX_IDX1 (RT5350_PDMA_OFFSET + 0x11C)
-#define RT5350_PDMA_GLO_CFG (RT5350_PDMA_OFFSET + 0x204)
-#define RT5350_PDMA_RST_CFG (RT5350_PDMA_OFFSET + 0x208)
-#define RT5350_DLY_INT_CFG (RT5350_PDMA_OFFSET + 0x20c)
-#define RT5350_FE_INT_STATUS (RT5350_PDMA_OFFSET + 0x220)
-#define RT5350_FE_INT_ENABLE (RT5350_PDMA_OFFSET + 0x228)
-#define RT5350_PDMA_SCH_CFG (RT5350_PDMA_OFFSET + 0x280)
-
-#define FE_PDMA_GLO_CFG (FE_PDMA_OFFSET + 0x00)
-#define FE_PDMA_RST_CFG (FE_PDMA_OFFSET + 0x04)
-#define FE_PDMA_SCH_CFG (FE_PDMA_OFFSET + 0x08)
-#define FE_DLY_INT_CFG (FE_PDMA_OFFSET + 0x0C)
-#define FE_TX_BASE_PTR0 (FE_PDMA_OFFSET + 0x10)
-#define FE_TX_MAX_CNT0 (FE_PDMA_OFFSET + 0x14)
-#define FE_TX_CTX_IDX0 (FE_PDMA_OFFSET + 0x18)
-#define FE_TX_DTX_IDX0 (FE_PDMA_OFFSET + 0x1C)
-#define FE_TX_BASE_PTR1 (FE_PDMA_OFFSET + 0x20)
-#define FE_TX_MAX_CNT1 (FE_PDMA_OFFSET + 0x24)
-#define FE_TX_CTX_IDX1 (FE_PDMA_OFFSET + 0x28)
-#define FE_TX_DTX_IDX1 (FE_PDMA_OFFSET + 0x2C)
-#define FE_RX_BASE_PTR0 (FE_PDMA_OFFSET + 0x30)
-#define FE_RX_MAX_CNT0 (FE_PDMA_OFFSET + 0x34)
-#define FE_RX_CALC_IDX0 (FE_PDMA_OFFSET + 0x38)
-#define FE_RX_DRX_IDX0 (FE_PDMA_OFFSET + 0x3C)
-#define FE_TX_BASE_PTR2 (FE_PDMA_OFFSET + 0x40)
-#define FE_TX_MAX_CNT2 (FE_PDMA_OFFSET + 0x44)
-#define FE_TX_CTX_IDX2 (FE_PDMA_OFFSET + 0x48)
-#define FE_TX_DTX_IDX2 (FE_PDMA_OFFSET + 0x4C)
-#define FE_TX_BASE_PTR3 (FE_PDMA_OFFSET + 0x50)
-#define FE_TX_MAX_CNT3 (FE_PDMA_OFFSET + 0x54)
-#define FE_TX_CTX_IDX3 (FE_PDMA_OFFSET + 0x58)
-#define FE_TX_DTX_IDX3 (FE_PDMA_OFFSET + 0x5C)
-#define FE_RX_BASE_PTR1 (FE_PDMA_OFFSET + 0x60)
-#define FE_RX_MAX_CNT1 (FE_PDMA_OFFSET + 0x64)
-#define FE_RX_CALC_IDX1 (FE_PDMA_OFFSET + 0x68)
-#define FE_RX_DRX_IDX1 (FE_PDMA_OFFSET + 0x6C)
-
-/* Switch DMA configuration */
-#define RT5350_SDM_CFG (RT5350_SDM_OFFSET + 0x00)
-#define RT5350_SDM_RRING (RT5350_SDM_OFFSET + 0x04)
-#define RT5350_SDM_TRING (RT5350_SDM_OFFSET + 0x08)
-#define RT5350_SDM_MAC_ADRL (RT5350_SDM_OFFSET + 0x0C)
-#define RT5350_SDM_MAC_ADRH (RT5350_SDM_OFFSET + 0x10)
-#define RT5350_SDM_TPCNT (RT5350_SDM_OFFSET + 0x100)
-#define RT5350_SDM_TBCNT (RT5350_SDM_OFFSET + 0x104)
-#define RT5350_SDM_RPCNT (RT5350_SDM_OFFSET + 0x108)
-#define RT5350_SDM_RBCNT (RT5350_SDM_OFFSET + 0x10C)
-#define RT5350_SDM_CS_ERR (RT5350_SDM_OFFSET + 0x110)
-
-#define RT5350_SDM_ICS_EN BIT(16)
-#define RT5350_SDM_TCS_EN BIT(17)
-#define RT5350_SDM_UCS_EN BIT(18)
-
-/* MDIO_CFG register bits */
-#define FE_MDIO_CFG_AUTO_POLL_EN BIT(29)
-#define FE_MDIO_CFG_GP1_BP_EN BIT(16)
-#define FE_MDIO_CFG_GP1_FRC_EN BIT(15)
-#define FE_MDIO_CFG_GP1_SPEED_10 (0 << 13)
-#define FE_MDIO_CFG_GP1_SPEED_100 (1 << 13)
-#define FE_MDIO_CFG_GP1_SPEED_1000 (2 << 13)
-#define FE_MDIO_CFG_GP1_DUPLEX BIT(12)
-#define FE_MDIO_CFG_GP1_FC_TX BIT(11)
-#define FE_MDIO_CFG_GP1_FC_RX BIT(10)
-#define FE_MDIO_CFG_GP1_LNK_DWN BIT(9)
-#define FE_MDIO_CFG_GP1_AN_FAIL BIT(8)
-#define FE_MDIO_CFG_MDC_CLK_DIV_1 (0 << 6)
-#define FE_MDIO_CFG_MDC_CLK_DIV_2 (1 << 6)
-#define FE_MDIO_CFG_MDC_CLK_DIV_4 (2 << 6)
-#define FE_MDIO_CFG_MDC_CLK_DIV_8 (3 << 6)
-#define FE_MDIO_CFG_TURBO_MII_FREQ BIT(5)
-#define FE_MDIO_CFG_TURBO_MII_MODE BIT(4)
-#define FE_MDIO_CFG_RX_CLK_SKEW_0 (0 << 2)
-#define FE_MDIO_CFG_RX_CLK_SKEW_200 (1 << 2)
-#define FE_MDIO_CFG_RX_CLK_SKEW_400 (2 << 2)
-#define FE_MDIO_CFG_RX_CLK_SKEW_INV (3 << 2)
-#define FE_MDIO_CFG_TX_CLK_SKEW_0 0
-#define FE_MDIO_CFG_TX_CLK_SKEW_200 1
-#define FE_MDIO_CFG_TX_CLK_SKEW_400 2
-#define FE_MDIO_CFG_TX_CLK_SKEW_INV 3
-
-/* uni-cast port */
-#define FE_GDM1_JMB_LEN_MASK 0xf
-#define FE_GDM1_JMB_LEN_SHIFT 28
-#define FE_GDM1_ICS_EN BIT(22)
-#define FE_GDM1_TCS_EN BIT(21)
-#define FE_GDM1_UCS_EN BIT(20)
-#define FE_GDM1_JMB_EN BIT(19)
-#define FE_GDM1_STRPCRC BIT(16)
-#define FE_GDM1_UFRC_P_CPU (0 << 12)
-#define FE_GDM1_UFRC_P_GDMA1 (1 << 12)
-#define FE_GDM1_UFRC_P_PPE (6 << 12)
-
-/* checksums */
-#define FE_ICS_GEN_EN BIT(2)
-#define FE_UCS_GEN_EN BIT(1)
-#define FE_TCS_GEN_EN BIT(0)
-
-/* dma ring */
-#define FE_PST_DRX_IDX0 BIT(16)
-#define FE_PST_DTX_IDX3 BIT(3)
-#define FE_PST_DTX_IDX2 BIT(2)
-#define FE_PST_DTX_IDX1 BIT(1)
-#define FE_PST_DTX_IDX0 BIT(0)
-
-#define FE_RX_2B_OFFSET BIT(31)
-#define FE_TX_WB_DDONE BIT(6)
-#define FE_RX_DMA_BUSY BIT(3)
-#define FE_TX_DMA_BUSY BIT(1)
-#define FE_RX_DMA_EN BIT(2)
-#define FE_TX_DMA_EN BIT(0)
-
-#define FE_PDMA_SIZE_4DWORDS (0 << 4)
-#define FE_PDMA_SIZE_8DWORDS (1 << 4)
-#define FE_PDMA_SIZE_16DWORDS (2 << 4)
-
-#define FE_US_CYC_CNT_MASK 0xff
-#define FE_US_CYC_CNT_SHIFT 0x8
-#define FE_US_CYC_CNT_DIVISOR 1000000
-
-/* rxd2 */
-#define RX_DMA_DONE BIT(31)
-#define RX_DMA_LSO BIT(30)
-#define RX_DMA_PLEN0(_x) (((_x) & 0x3fff) << 16)
-#define RX_DMA_GET_PLEN0(_x) (((_x) >> 16) & 0x3fff)
-#define RX_DMA_TAG BIT(15)
-/* rxd3 */
-#define RX_DMA_TPID(_x) (((_x) >> 16) & 0xffff)
-#define RX_DMA_VID(_x) ((_x) & 0xffff)
-/* rxd4 */
-#define RX_DMA_L4VALID BIT(30)
-
-struct fe_rx_dma {
- unsigned int rxd1;
- unsigned int rxd2;
- unsigned int rxd3;
- unsigned int rxd4;
-} __packed __aligned(4);
-
-#define TX_DMA_BUF_LEN 0x3fff
-#define TX_DMA_PLEN0_MASK (TX_DMA_BUF_LEN << 16)
-#define TX_DMA_PLEN0(_x) (((_x) & TX_DMA_BUF_LEN) << 16)
-#define TX_DMA_PLEN1(_x) ((_x) & TX_DMA_BUF_LEN)
-#define TX_DMA_GET_PLEN0(_x) (((_x) >> 16) & TX_DMA_BUF_LEN)
-#define TX_DMA_GET_PLEN1(_x) ((_x) & TX_DMA_BUF_LEN)
-#define TX_DMA_LS1 BIT(14)
-#define TX_DMA_LS0 BIT(30)
-#define TX_DMA_DONE BIT(31)
-
-#define TX_DMA_INS_VLAN_MT7621 BIT(16)
-#define TX_DMA_INS_VLAN BIT(7)
-#define TX_DMA_INS_PPPOE BIT(12)
-#define TX_DMA_QN(_x) ((_x) << 16)
-#define TX_DMA_PN(_x) ((_x) << 24)
-#define TX_DMA_QN_MASK TX_DMA_QN(0x7)
-#define TX_DMA_PN_MASK TX_DMA_PN(0x7)
-#define TX_DMA_UDF BIT(20)
-#define TX_DMA_CHKSUM (0x7 << 29)
-#define TX_DMA_TSO BIT(28)
-
-/* frame engine counters */
-#define FE_PPE_AC_BCNT0 (FE_CMTABLE_OFFSET + 0x00)
-#define FE_GDMA1_TX_GBCNT (FE_CMTABLE_OFFSET + 0x300)
-#define FE_GDMA2_TX_GBCNT (FE_GDMA1_TX_GBCNT + 0x40)
-
-/* phy device flags */
-#define FE_PHY_FLAG_PORT BIT(0)
-#define FE_PHY_FLAG_ATTACH BIT(1)
-
-struct fe_tx_dma {
- unsigned int txd1;
- unsigned int txd2;
- unsigned int txd3;
- unsigned int txd4;
-} __packed __aligned(4);
-
-struct fe_priv;
-
-struct fe_phy {
- /* make sure that phy operations are atomic */
- spinlock_t lock;
-
- struct phy_device *phy[8];
- struct device_node *phy_node[8];
- const __be32 *phy_fixed[8];
- int duplex[8];
- int speed[8];
- int tx_fc[8];
- int rx_fc[8];
- int (*connect)(struct fe_priv *priv);
- void (*disconnect)(struct fe_priv *priv);
- void (*start)(struct fe_priv *priv);
- void (*stop)(struct fe_priv *priv);
-};
-
-struct fe_soc_data {
- const u16 *reg_table;
-
- void (*init_data)(struct fe_soc_data *data, struct net_device *netdev);
- void (*reset_fe)(void);
- void (*set_mac)(struct fe_priv *priv, unsigned char *mac);
- int (*fwd_config)(struct fe_priv *priv);
- void (*tx_dma)(struct fe_tx_dma *txd);
- int (*switch_init)(struct fe_priv *priv);
- int (*switch_config)(struct fe_priv *priv);
- void (*port_init)(struct fe_priv *priv, struct device_node *port);
- int (*has_carrier)(struct fe_priv *priv);
- int (*mdio_init)(struct fe_priv *priv);
- void (*mdio_cleanup)(struct fe_priv *priv);
- int (*mdio_write)(struct mii_bus *bus, int phy_addr, int phy_reg,
- u16 val);
- int (*mdio_read)(struct mii_bus *bus, int phy_addr, int phy_reg);
- void (*mdio_adjust_link)(struct fe_priv *priv, int port);
-
- void *swpriv;
- u32 pdma_glo_cfg;
- u32 rx_int;
- u32 tx_int;
- u32 status_int;
- u32 checksum_bit;
-};
-
-#define FE_FLAG_PADDING_64B BIT(0)
-#define FE_FLAG_PADDING_BUG BIT(1)
-#define FE_FLAG_JUMBO_FRAME BIT(2)
-#define FE_FLAG_RX_2B_OFFSET BIT(3)
-#define FE_FLAG_RX_SG_DMA BIT(4)
-#define FE_FLAG_RX_VLAN_CTAG BIT(5)
-#define FE_FLAG_NAPI_WEIGHT BIT(6)
-#define FE_FLAG_CALIBRATE_CLK BIT(7)
-#define FE_FLAG_HAS_SWITCH BIT(8)
-
-#define FE_STAT_REG_DECLARE \
- _FE(tx_bytes) \
- _FE(tx_packets) \
- _FE(tx_skip) \
- _FE(tx_collisions) \
- _FE(rx_bytes) \
- _FE(rx_packets) \
- _FE(rx_overflow) \
- _FE(rx_fcs_errors) \
- _FE(rx_short_errors) \
- _FE(rx_long_errors) \
- _FE(rx_checksum_errors) \
- _FE(rx_flow_control_packets)
-
-struct fe_hw_stats {
- /* make sure that stats operations are atomic */
- spinlock_t stats_lock;
-
- struct u64_stats_sync syncp;
-#define _FE(x) u64 x;
- FE_STAT_REG_DECLARE
-#undef _FE
-};
-
-enum fe_tx_flags {
- FE_TX_FLAGS_SINGLE0 = 0x01,
- FE_TX_FLAGS_PAGE0 = 0x02,
- FE_TX_FLAGS_PAGE1 = 0x04,
-};
-
-struct fe_tx_buf {
- struct sk_buff *skb;
- u32 flags;
- DEFINE_DMA_UNMAP_ADDR(dma_addr0);
- DEFINE_DMA_UNMAP_LEN(dma_len0);
- DEFINE_DMA_UNMAP_ADDR(dma_addr1);
- DEFINE_DMA_UNMAP_LEN(dma_len1);
-};
-
-struct fe_tx_ring {
- struct fe_tx_dma *tx_dma;
- struct fe_tx_buf *tx_buf;
- dma_addr_t tx_phys;
- u16 tx_ring_size;
- u16 tx_free_idx;
- u16 tx_next_idx;
- u16 tx_thresh;
-};
-
-struct fe_rx_ring {
- struct page_frag_cache frag_cache;
- struct fe_rx_dma *rx_dma;
- u8 **rx_data;
- dma_addr_t rx_phys;
- u16 rx_ring_size;
- u16 frag_size;
- u16 rx_buf_size;
- u16 rx_calc_idx;
-};
-
-struct fe_priv {
- /* make sure that register operations are atomic */
- spinlock_t page_lock;
-
- struct fe_soc_data *soc;
- struct net_device *netdev;
- struct device_node *switch_np;
- u32 msg_enable;
- u32 flags;
-
- struct device *dev;
- unsigned long sysclk;
-
- struct fe_rx_ring rx_ring;
- struct napi_struct rx_napi;
-
- struct fe_tx_ring tx_ring;
-
- struct fe_phy *phy;
- struct mii_bus *mii_bus;
- struct phy_device *phy_dev;
- u32 phy_flags;
-
- int link[8];
-
- struct fe_hw_stats *hw_stats;
- unsigned long vlan_map;
- struct work_struct pending_work;
- DECLARE_BITMAP(pending_flags, FE_FLAG_MAX);
-
- struct reset_control *rst_ppe;
- struct mtk_foe_entry *foe_table;
- dma_addr_t foe_table_phys;
- struct flow_offload __rcu **foe_flow_table;
-};
-
-extern const struct of_device_id of_fe_match[];
-
-void fe_w32(u32 val, unsigned reg);
-void fe_m32(struct fe_priv *priv, u32 clear, u32 set, unsigned reg);
-u32 fe_r32(unsigned reg);
-
-int fe_set_clock_cycle(struct fe_priv *priv);
-void fe_csum_config(struct fe_priv *priv);
-void fe_stats_update(struct fe_priv *priv);
-void fe_fwd_config(struct fe_priv *priv);
-void fe_reg_w32(u32 val, enum fe_reg reg);
-u32 fe_reg_r32(enum fe_reg reg);
-
-void fe_reset(u32 reset_bits);
-
-static inline void *priv_netdev(struct fe_priv *priv)
-{
- return (char *)priv - ALIGN(sizeof(struct net_device), NETDEV_ALIGN);
-}
-
-int mtk_ppe_probe(struct fe_priv *eth);
-void mtk_ppe_remove(struct fe_priv *eth);
-int mtk_flow_offload(struct fe_priv *eth,
- enum flow_offload_type type,
- struct flow_offload *flow,
- struct flow_offload_hw_path *src,
- struct flow_offload_hw_path *dest);
-int mtk_offload_check_rx(struct fe_priv *eth, struct sk_buff *skb, u32 rxd4);
-
-
-#endif /* FE_ETH_H */
+++ /dev/null
-/* This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Copyright (C) 2018 John Crispin <john@phrozen.org>
- */
-
-#include "mtk_offload.h"
-
-#define INVALID 0
-#define UNBIND 1
-#define BIND 2
-#define FIN 3
-
-#define IPV4_HNAPT 0
-#define IPV4_HNAT 1
-
-static u32
-mtk_flow_hash_v4(struct flow_offload_tuple *tuple)
-{
- u32 ports = ntohs(tuple->src_port) << 16 | ntohs(tuple->dst_port);
- u32 src = ntohl(tuple->dst_v4.s_addr);
- u32 dst = ntohl(tuple->src_v4.s_addr);
- u32 hash = (ports & src) | ((~ports) & dst);
- u32 hash_23_0 = hash & 0xffffff;
- u32 hash_31_24 = hash & 0xff000000;
-
- hash = ports ^ src ^ dst ^ ((hash_23_0 << 8) | (hash_31_24 >> 24));
- hash = ((hash & 0xffff0000) >> 16 ) ^ (hash & 0xfffff);
- hash &= 0x7ff;
- hash *= 2;;
-
- return hash;
-}
-
-static int
-mtk_foe_prepare_v4(struct mtk_foe_entry *entry,
- struct flow_offload_tuple *tuple,
- struct flow_offload_tuple *dest_tuple,
- struct flow_offload_hw_path *src,
- struct flow_offload_hw_path *dest)
-{
- int is_mcast = !!is_multicast_ether_addr(dest->eth_dest);
-
- if (tuple->l4proto == IPPROTO_UDP)
- entry->ipv4_hnapt.bfib1.udp = 1;
-
- entry->ipv4_hnapt.etype = htons(ETH_P_IP);
- entry->ipv4_hnapt.bfib1.pkt_type = IPV4_HNAPT;
- entry->ipv4_hnapt.iblk2.fqos = 0;
- entry->ipv4_hnapt.bfib1.ttl = 1;
- entry->ipv4_hnapt.bfib1.cah = 1;
- entry->ipv4_hnapt.bfib1.ka = 1;
- entry->ipv4_hnapt.iblk2.mcast = is_mcast;
- entry->ipv4_hnapt.iblk2.dscp = 0;
- entry->ipv4_hnapt.iblk2.port_mg = 0x3f;
- entry->ipv4_hnapt.iblk2.port_ag = 0x1f;
-#ifdef CONFIG_NET_MEDIATEK_HW_QOS
- entry->ipv4_hnapt.iblk2.qid = 1;
- entry->ipv4_hnapt.iblk2.fqos = 1;
-#endif
-#ifdef CONFIG_RALINK
- entry->ipv4_hnapt.iblk2.dp = 1;
- if ((dest->flags & FLOW_OFFLOAD_PATH_VLAN) && (dest->vlan_id > 1))
- entry->ipv4_hnapt.iblk2.qid += 8;
-#else
- entry->ipv4_hnapt.iblk2.dp = (dest->dev->name[3] - '0') + 1;
-#endif
-
- entry->ipv4_hnapt.sip = ntohl(tuple->src_v4.s_addr);
- entry->ipv4_hnapt.dip = ntohl(tuple->dst_v4.s_addr);
- entry->ipv4_hnapt.sport = ntohs(tuple->src_port);
- entry->ipv4_hnapt.dport = ntohs(tuple->dst_port);
-
- entry->ipv4_hnapt.new_sip = ntohl(dest_tuple->dst_v4.s_addr);
- entry->ipv4_hnapt.new_dip = ntohl(dest_tuple->src_v4.s_addr);
- entry->ipv4_hnapt.new_sport = ntohs(dest_tuple->dst_port);
- entry->ipv4_hnapt.new_dport = ntohs(dest_tuple->src_port);
-
- entry->bfib1.state = BIND;
-
- if (dest->flags & FLOW_OFFLOAD_PATH_PPPOE) {
- entry->bfib1.psn = 1;
- entry->ipv4_hnapt.etype = htons(ETH_P_PPP_SES);
- entry->ipv4_hnapt.pppoe_id = dest->pppoe_sid;
- }
-
- if (dest->flags & FLOW_OFFLOAD_PATH_VLAN) {
- entry->ipv4_hnapt.vlan1 = dest->vlan_id;
- entry->bfib1.vlan_layer = 1;
-
- switch (dest->vlan_proto) {
- case htons(ETH_P_8021Q):
- entry->ipv4_hnapt.bfib1.vpm = 1;
- break;
- case htons(ETH_P_8021AD):
- entry->ipv4_hnapt.bfib1.vpm = 2;
- break;
- default:
- return -EINVAL;
- }
- }
-
- return 0;
-}
-
-static void
-mtk_foe_set_mac(struct mtk_foe_entry *entry, u8 *smac, u8 *dmac)
-{
- entry->ipv4_hnapt.dmac_hi = swab32(*((u32*) dmac));
- entry->ipv4_hnapt.dmac_lo = swab16(*((u16*) &dmac[4]));
- entry->ipv4_hnapt.smac_hi = swab32(*((u32*) smac));
- entry->ipv4_hnapt.smac_lo = swab16(*((u16*) &smac[4]));
-}
-
-static void
-mtk_foe_write(struct mtk_eth *eth, u32 hash,
- struct mtk_foe_entry *entry)
-{
- struct mtk_foe_entry *table = (struct mtk_foe_entry *)eth->foe_table;
-
- memcpy(&table[hash], entry, sizeof(*entry));
-}
-
-int mtk_flow_offload(struct mtk_eth *eth,
- enum flow_offload_type type,
- struct flow_offload *flow,
- struct flow_offload_hw_path *src,
- struct flow_offload_hw_path *dest)
-{
- struct flow_offload_tuple *otuple = &flow->tuplehash[FLOW_OFFLOAD_DIR_ORIGINAL].tuple;
- struct flow_offload_tuple *rtuple = &flow->tuplehash[FLOW_OFFLOAD_DIR_REPLY].tuple;
- u32 time_stamp = mtk_r32(eth, 0x0010) & (0x7fff);
- u32 ohash, rhash;
- struct mtk_foe_entry orig = {
- .bfib1.time_stamp = time_stamp,
- .bfib1.psn = 0,
- };
- struct mtk_foe_entry reply = {
- .bfib1.time_stamp = time_stamp,
- .bfib1.psn = 0,
- };
-
- if (otuple->l4proto != IPPROTO_TCP && otuple->l4proto != IPPROTO_UDP)
- return -EINVAL;
-
- switch (otuple->l3proto) {
- case AF_INET:
- if (mtk_foe_prepare_v4(&orig, otuple, rtuple, src, dest) ||
- mtk_foe_prepare_v4(&reply, rtuple, otuple, dest, src))
- return -EINVAL;
-
- ohash = mtk_flow_hash_v4(otuple);
- rhash = mtk_flow_hash_v4(rtuple);
- break;
-
- case AF_INET6:
- return -EINVAL;
-
- default:
- return -EINVAL;
- }
-
- if (type == FLOW_OFFLOAD_DEL) {
- orig.bfib1.state = INVALID;
- reply.bfib1.state = INVALID;
- flow = NULL;
- goto write;
- }
-
- mtk_foe_set_mac(&orig, dest->eth_src, dest->eth_dest);
- mtk_foe_set_mac(&reply, src->eth_src, src->eth_dest);
-
-write:
- mtk_foe_write(eth, ohash, &orig);
- mtk_foe_write(eth, rhash, &reply);
- rcu_assign_pointer(eth->foe_flow_table[ohash], flow);
- rcu_assign_pointer(eth->foe_flow_table[rhash], flow);
-
- if (type == FLOW_OFFLOAD_DEL)
- synchronize_rcu();
-
- return 0;
-}
-
-#ifdef CONFIG_NET_MEDIATEK_HW_QOS
-
-#define QDMA_TX_SCH_TX 0x1a14
-
-static void mtk_ppe_scheduler(struct mtk_eth *eth, int id, u32 rate)
-{
- int exp = 0, shift = 0;
- u32 reg = mtk_r32(eth, QDMA_TX_SCH_TX);
- u32 val = 0;
-
- if (rate)
- val = BIT(11);
-
- while (rate > 127) {
- rate /= 10;
- exp++;
- }
-
- val |= (rate & 0x7f) << 4;
- val |= exp & 0xf;
- if (id)
- shift = 16;
- reg &= ~(0xffff << shift);
- reg |= val << shift;
- mtk_w32(eth, val, QDMA_TX_SCH_TX);
-}
-
-#define QTX_CFG(x) (0x1800 + (x * 0x10))
-#define QTX_SCH(x) (0x1804 + (x * 0x10))
-
-static void mtk_ppe_queue(struct mtk_eth *eth, int id, int sched, int weight, int resv, u32 min_rate, u32 max_rate)
-{
- int max_exp = 0, min_exp = 0;
- u32 reg;
-
- if (id >= 16)
- return;
-
- reg = mtk_r32(eth, QTX_SCH(id));
- reg &= 0x70000000;
-
- if (sched)
- reg |= BIT(31);
-
- if (min_rate)
- reg |= BIT(27);
-
- if (max_rate)
- reg |= BIT(11);
-
- while (max_rate > 127) {
- max_rate /= 10;
- max_exp++;
- }
-
- while (min_rate > 127) {
- min_rate /= 10;
- min_exp++;
- }
-
- reg |= (min_rate & 0x7f) << 20;
- reg |= (min_exp & 0xf) << 16;
- reg |= (weight & 0xf) << 12;
- reg |= (max_rate & 0x7f) << 4;
- reg |= max_exp & 0xf;
- mtk_w32(eth, reg, QTX_SCH(id));
-
- resv &= 0xff;
- reg = mtk_r32(eth, QTX_CFG(id));
- reg &= 0xffff0000;
- reg |= (resv << 8) | resv;
- mtk_w32(eth, reg, QTX_CFG(id));
-}
-#endif
-
-static int mtk_init_foe_table(struct mtk_eth *eth)
-{
- if (eth->foe_table)
- return 0;
-
- eth->foe_flow_table = devm_kcalloc(eth->dev, MTK_PPE_ENTRY_CNT,
- sizeof(*eth->foe_flow_table),
- GFP_KERNEL);
- if (!eth->foe_flow_table)
- return -EINVAL;
-
- /* map the FOE table */
- eth->foe_table = dmam_alloc_coherent(eth->dev, MTK_PPE_TBL_SZ,
- ð->foe_table_phys, GFP_KERNEL);
- if (!eth->foe_table) {
- dev_err(eth->dev, "failed to allocate foe table\n");
- kfree(eth->foe_flow_table);
- return -ENOMEM;
- }
-
-
- return 0;
-}
-
-static int mtk_ppe_start(struct mtk_eth *eth)
-{
- int ret;
-
- ret = mtk_init_foe_table(eth);
- if (ret)
- return ret;
-
- /* tell the PPE about the tables base address */
- mtk_w32(eth, eth->foe_table_phys, MTK_REG_PPE_TB_BASE);
-
- /* flush the table */
- memset(eth->foe_table, 0, MTK_PPE_TBL_SZ);
-
- /* setup hashing */
- mtk_m32(eth,
- MTK_PPE_TB_CFG_HASH_MODE_MASK | MTK_PPE_TB_CFG_TBL_SZ_MASK,
- MTK_PPE_TB_CFG_HASH_MODE1 | MTK_PPE_TB_CFG_TBL_SZ_4K,
- MTK_REG_PPE_TB_CFG);
-
- /* set the default hashing seed */
- mtk_w32(eth, MTK_PPE_HASH_SEED, MTK_REG_PPE_HASH_SEED);
-
- /* each foe entry is 64bytes and is setup by cpu forwarding*/
- mtk_m32(eth, MTK_PPE_CAH_CTRL_X_MODE | MTK_PPE_TB_CFG_ENTRY_SZ_MASK |
- MTK_PPE_TB_CFG_SMA_MASK,
- MTK_PPE_TB_CFG_ENTRY_SZ_64B | MTK_PPE_TB_CFG_SMA_FWD_CPU,
- MTK_REG_PPE_TB_CFG);
-
- /* set ip proto */
- mtk_w32(eth, 0xFFFFFFFF, MTK_REG_PPE_IP_PROT_CHK);
-
- /* setup caching */
- mtk_m32(eth, 0, MTK_PPE_CAH_CTRL_X_MODE, MTK_REG_PPE_CAH_CTRL);
- mtk_m32(eth, MTK_PPE_CAH_CTRL_X_MODE, MTK_PPE_CAH_CTRL_EN,
- MTK_REG_PPE_CAH_CTRL);
-
- /* enable FOE */
- mtk_m32(eth, 0, MTK_PPE_FLOW_CFG_IPV4_NAT_FRAG_EN |
- MTK_PPE_FLOW_CFG_IPV4_NAPT_EN | MTK_PPE_FLOW_CFG_IPV4_NAT_EN |
- MTK_PPE_FLOW_CFG_IPV4_GREK_EN,
- MTK_REG_PPE_FLOW_CFG);
-
- /* setup flow entry un/bind aging */
- mtk_m32(eth, 0,
- MTK_PPE_TB_CFG_UNBD_AGE | MTK_PPE_TB_CFG_NTU_AGE |
- MTK_PPE_TB_CFG_FIN_AGE | MTK_PPE_TB_CFG_UDP_AGE |
- MTK_PPE_TB_CFG_TCP_AGE,
- MTK_REG_PPE_TB_CFG);
-
- mtk_m32(eth, MTK_PPE_UNB_AGE_MNP_MASK | MTK_PPE_UNB_AGE_DLTA_MASK,
- MTK_PPE_UNB_AGE_MNP | MTK_PPE_UNB_AGE_DLTA,
- MTK_REG_PPE_UNB_AGE);
- mtk_m32(eth, MTK_PPE_BND_AGE0_NTU_DLTA_MASK |
- MTK_PPE_BND_AGE0_UDP_DLTA_MASK,
- MTK_PPE_BND_AGE0_NTU_DLTA | MTK_PPE_BND_AGE0_UDP_DLTA,
- MTK_REG_PPE_BND_AGE0);
- mtk_m32(eth, MTK_PPE_BND_AGE1_FIN_DLTA_MASK |
- MTK_PPE_BND_AGE1_TCP_DLTA_MASK,
- MTK_PPE_BND_AGE1_FIN_DLTA | MTK_PPE_BND_AGE1_TCP_DLTA,
- MTK_REG_PPE_BND_AGE1);
-
- /* setup flow entry keep alive */
- mtk_m32(eth, MTK_PPE_TB_CFG_KA_MASK, MTK_PPE_TB_CFG_KA,
- MTK_REG_PPE_TB_CFG);
- mtk_w32(eth, MTK_PPE_KA_UDP | MTK_PPE_KA_TCP | MTK_PPE_KA_T, MTK_REG_PPE_KA);
-
- /* setup flow entry rate limit */
- mtk_w32(eth, (0x3fff << 16) | 0x3fff, MTK_REG_PPE_BIND_LMT_0);
- mtk_w32(eth, MTK_PPE_NTU_KA | 0x3fff, MTK_REG_PPE_BIND_LMT_1);
- mtk_m32(eth, MTK_PPE_BNDR_RATE_MASK, 1, MTK_REG_PPE_BNDR);
-
- /* enable the PPE */
- mtk_m32(eth, 0, MTK_PPE_GLO_CFG_EN, MTK_REG_PPE_GLO_CFG);
-
-#ifdef CONFIG_RALINK
- /* set the default forwarding port to QDMA */
- mtk_w32(eth, 0x0, MTK_REG_PPE_DFT_CPORT);
-#else
- /* set the default forwarding port to QDMA */
- mtk_w32(eth, 0x55555555, MTK_REG_PPE_DFT_CPORT);
-#endif
-
- /* drop packets with TTL=0 */
- mtk_m32(eth, 0, MTK_PPE_GLO_CFG_TTL0_DROP, MTK_REG_PPE_GLO_CFG);
-
- /* send all traffic from gmac to the ppe */
- mtk_m32(eth, 0xffff, 0x4444, MTK_GDMA_FWD_CFG(0));
- mtk_m32(eth, 0xffff, 0x4444, MTK_GDMA_FWD_CFG(1));
-
- dev_info(eth->dev, "PPE started\n");
-
-#ifdef CONFIG_NET_MEDIATEK_HW_QOS
- mtk_ppe_scheduler(eth, 0, 500000);
- mtk_ppe_scheduler(eth, 1, 500000);
- mtk_ppe_queue(eth, 0, 0, 7, 32, 250000, 0);
- mtk_ppe_queue(eth, 1, 0, 7, 32, 250000, 0);
- mtk_ppe_queue(eth, 8, 1, 7, 32, 250000, 0);
- mtk_ppe_queue(eth, 9, 1, 7, 32, 250000, 0);
-#endif
-
- return 0;
-}
-
-static int mtk_ppe_busy_wait(struct mtk_eth *eth)
-{
- unsigned long t_start = jiffies;
- u32 r = 0;
-
- while (1) {
- r = mtk_r32(eth, MTK_REG_PPE_GLO_CFG);
- if (!(r & MTK_PPE_GLO_CFG_BUSY))
- return 0;
- if (time_after(jiffies, t_start + HZ))
- break;
- usleep_range(10, 20);
- }
-
- dev_err(eth->dev, "ppe: table busy timeout - resetting\n");
- reset_control_reset(eth->rst_ppe);
-
- return -ETIMEDOUT;
-}
-
-static int mtk_ppe_stop(struct mtk_eth *eth)
-{
- u32 r1 = 0, r2 = 0;
- int i;
-
- /* discard all traffic while we disable the PPE */
- mtk_m32(eth, 0xffff, 0x7777, MTK_GDMA_FWD_CFG(0));
- mtk_m32(eth, 0xffff, 0x7777, MTK_GDMA_FWD_CFG(1));
-
- if (mtk_ppe_busy_wait(eth))
- return -ETIMEDOUT;
-
- /* invalidate all flow table entries */
- for (i = 0; i < MTK_PPE_ENTRY_CNT; i++)
- eth->foe_table[i].bfib1.state = FOE_STATE_INVALID;
-
- /* disable caching */
- mtk_m32(eth, 0, MTK_PPE_CAH_CTRL_X_MODE, MTK_REG_PPE_CAH_CTRL);
- mtk_m32(eth, MTK_PPE_CAH_CTRL_X_MODE | MTK_PPE_CAH_CTRL_EN, 0,
- MTK_REG_PPE_CAH_CTRL);
-
- /* flush cache has to be ahead of hnat diable --*/
- mtk_m32(eth, MTK_PPE_GLO_CFG_EN, 0, MTK_REG_PPE_GLO_CFG);
-
- /* disable FOE */
- mtk_m32(eth,
- MTK_PPE_FLOW_CFG_IPV4_NAT_FRAG_EN |
- MTK_PPE_FLOW_CFG_IPV4_NAPT_EN | MTK_PPE_FLOW_CFG_IPV4_NAT_EN |
- MTK_PPE_FLOW_CFG_FUC_FOE | MTK_PPE_FLOW_CFG_FMC_FOE,
- 0, MTK_REG_PPE_FLOW_CFG);
-
- /* disable FOE aging */
- mtk_m32(eth, 0,
- MTK_PPE_TB_CFG_FIN_AGE | MTK_PPE_TB_CFG_UDP_AGE |
- MTK_PPE_TB_CFG_TCP_AGE | MTK_PPE_TB_CFG_UNBD_AGE |
- MTK_PPE_TB_CFG_NTU_AGE, MTK_REG_PPE_TB_CFG);
-
- r1 = mtk_r32(eth, 0x100);
- r2 = mtk_r32(eth, 0x10c);
-
- dev_info(eth->dev, "0x100 = 0x%x, 0x10c = 0x%x\n", r1, r2);
-
- if (((r1 & 0xff00) >> 0x8) >= (r1 & 0xff) ||
- ((r1 & 0xff00) >> 0x8) >= (r2 & 0xff)) {
- dev_info(eth->dev, "reset pse\n");
- mtk_w32(eth, 0x1, 0x4);
- }
-
- /* set the foe entry base address to 0 */
- mtk_w32(eth, 0, MTK_REG_PPE_TB_BASE);
-
- if (mtk_ppe_busy_wait(eth))
- return -ETIMEDOUT;
-
- /* send all traffic back to the DMA engine */
-#ifdef CONFIG_RALINK
- mtk_m32(eth, 0xffff, 0x0, MTK_GDMA_FWD_CFG(0));
- mtk_m32(eth, 0xffff, 0x0, MTK_GDMA_FWD_CFG(1));
-#else
- mtk_m32(eth, 0xffff, 0x5555, MTK_GDMA_FWD_CFG(0));
- mtk_m32(eth, 0xffff, 0x5555, MTK_GDMA_FWD_CFG(1));
-#endif
- return 0;
-}
-
-static void mtk_offload_keepalive(struct fe_priv *eth, unsigned int hash)
-{
- struct flow_offload *flow;
-
- rcu_read_lock();
- flow = rcu_dereference(eth->foe_flow_table[hash]);
- if (flow)
- flow->timeout = jiffies + 30 * HZ;
- rcu_read_unlock();
-}
-
-int mtk_offload_check_rx(struct fe_priv *eth, struct sk_buff *skb, u32 rxd4)
-{
- unsigned int hash;
-
- switch (FIELD_GET(MTK_RXD4_CPU_REASON, rxd4)) {
- case MTK_CPU_REASON_KEEPALIVE_UC_OLD_HDR:
- case MTK_CPU_REASON_KEEPALIVE_MC_NEW_HDR:
- case MTK_CPU_REASON_KEEPALIVE_DUP_OLD_HDR:
- hash = FIELD_GET(MTK_RXD4_FOE_ENTRY, rxd4);
- mtk_offload_keepalive(eth, hash);
- return -1;
- case MTK_CPU_REASON_PACKET_SAMPLING:
- return -1;
- default:
- return 0;
- }
-}
-
-int mtk_ppe_probe(struct mtk_eth *eth)
-{
- int err;
-
- err = mtk_ppe_start(eth);
- if (err)
- return err;
-
- err = mtk_ppe_debugfs_init(eth);
- if (err)
- return err;
-
- return 0;
-}
-
-void mtk_ppe_remove(struct mtk_eth *eth)
-{
- mtk_ppe_stop(eth);
-}
+++ /dev/null
-/* This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Copyright (C) 2014-2016 Sean Wang <sean.wang@mediatek.com>
- * Copyright (C) 2016-2017 John Crispin <blogic@openwrt.org>
- */
-
-#include <linux/dma-mapping.h>
-#include <linux/delay.h>
-#include <linux/if.h>
-#include <linux/io.h>
-#include <linux/module.h>
-#include <linux/of_device.h>
-#include <linux/platform_device.h>
-#include <linux/reset.h>
-#include <linux/netfilter.h>
-#include <linux/netdevice.h>
-#include <net/netfilter/nf_flow_table.h>
-#include <linux/debugfs.h>
-#include <linux/etherdevice.h>
-#include <linux/bitfield.h>
-
-#include "mtk_eth_soc.h"
-
-#ifdef CONFIG_RALINK
-/* ramips compat */
-#define mtk_eth fe_priv
-#define MTK_GDMA_FWD_CFG(x) (0x500 + (x * 0x1000))
-#define mtk_m32 fe_m32
-
-static inline u32
-mtk_r32(struct mtk_eth *eth, u32 reg)
-{
- return fe_r32(reg);
-}
-
-static inline void
-mtk_w32(struct mtk_eth *eth, u32 val, u32 reg)
-{
- fe_w32(val, reg);
-}
-#endif
-
-#define MTK_REG_PPE_GLO_CFG 0xe00
-#define MTK_PPE_GLO_CFG_BUSY BIT(31)
-#define MTK_PPE_GLO_CFG_TTL0_DROP BIT(4)
-#define MTK_PPE_GLO_CFG_EN BIT(0)
-
-#define MTK_REG_PPE_FLOW_CFG 0xe04
-#define MTK_PPE_FLOW_CFG_IPV4_GREK_EN BIT(19)
-#define MTK_PPE_FLOW_CFG_IPV4_NAT_FRAG_EN BIT(17)
-#define MTK_PPE_FLOW_CFG_IPV4_NAPT_EN BIT(13)
-#define MTK_PPE_FLOW_CFG_IPV4_NAT_EN BIT(12)
-#define MTK_PPE_FLOW_CFG_FUC_FOE BIT(2)
-#define MTK_PPE_FLOW_CFG_FMC_FOE BIT(1)
-
-#define MTK_REG_PPE_IP_PROT_CHK 0xe08
-
-#define MTK_REG_PPE_TB_BASE 0xe20
-
-#define MTK_REG_PPE_BNDR 0xe28
-#define MTK_PPE_BNDR_RATE_MASK 0xffff
-
-#define MTK_REG_PPE_BIND_LMT_0 0xe2C
-
-#define MTK_REG_PPE_BIND_LMT_1 0xe30
-#define MTK_PPE_NTU_KA BIT(16)
-
-#define MTK_REG_PPE_KA 0xe34
-#define MTK_PPE_KA_T BIT(0)
-#define MTK_PPE_KA_TCP BIT(16)
-#define MTK_PPE_KA_UDP BIT(24)
-
-#define MTK_REG_PPE_UNB_AGE 0xe38
-#define MTK_PPE_UNB_AGE_MNP_MASK (0xffff << 16)
-#define MTK_PPE_UNB_AGE_MNP (1000 << 16)
-#define MTK_PPE_UNB_AGE_DLTA_MASK 0xff
-#define MTK_PPE_UNB_AGE_DLTA 3
-
-#define MTK_REG_PPE_BND_AGE0 0xe3c
-#define MTK_PPE_BND_AGE0_NTU_DLTA_MASK (0xffff << 16)
-#define MTK_PPE_BND_AGE0_NTU_DLTA (5 << 16)
-#define MTK_PPE_BND_AGE0_UDP_DLTA_MASK 0xffff
-#define MTK_PPE_BND_AGE0_UDP_DLTA 5
-
-#define MTK_REG_PPE_BND_AGE1 0xe40
-#define MTK_PPE_BND_AGE1_FIN_DLTA_MASK (0xffff << 16)
-#define MTK_PPE_BND_AGE1_FIN_DLTA (5 << 16)
-#define MTK_PPE_BND_AGE1_TCP_DLTA_MASK 0xffff
-#define MTK_PPE_BND_AGE1_TCP_DLTA 5
-
-#define MTK_REG_PPE_DFT_CPORT 0xe48
-
-#define MTK_REG_PPE_TB_CFG 0xe1c
-#define MTK_PPE_TB_CFG_X_MODE_MASK (3 << 18)
-#define MTK_PPE_TB_CFG_HASH_MODE1 BIT(14)
-#define MTK_PPE_TB_CFG_HASH_MODE_MASK (0x3 << 14)
-#define MTK_PPE_TB_CFG_KA (3 << 12)
-#define MTK_PPE_TB_CFG_KA_MASK (0x3 << 12)
-#define MTK_PPE_TB_CFG_FIN_AGE BIT(11)
-#define MTK_PPE_TB_CFG_UDP_AGE BIT(10)
-#define MTK_PPE_TB_CFG_TCP_AGE BIT(9)
-#define MTK_PPE_TB_CFG_UNBD_AGE BIT(8)
-#define MTK_PPE_TB_CFG_NTU_AGE BIT(7)
-#define MTK_PPE_TB_CFG_SMA_FWD_CPU (0x3 << 4)
-#define MTK_PPE_TB_CFG_SMA_MASK (0x3 << 4)
-#define MTK_PPE_TB_CFG_ENTRY_SZ_64B 0
-#define MTK_PPE_TB_CFG_ENTRY_SZ_MASK BIT(3)
-#define MTK_PPE_TB_CFG_TBL_SZ_4K 2
-#define MTK_PPE_TB_CFG_TBL_SZ_MASK 0x7
-
-#define MTK_REG_PPE_HASH_SEED 0xe44
-#define MTK_PPE_HASH_SEED 0x12345678
-
-
-#define MTK_REG_PPE_CAH_CTRL 0xf20
-#define MTK_PPE_CAH_CTRL_X_MODE BIT(9)
-#define MTK_PPE_CAH_CTRL_EN BIT(0)
-
-struct mtk_foe_unbind_info_blk {
- u32 time_stamp:8;
- u32 pcnt:16; /* packet count */
- u32 preb:1;
- u32 pkt_type:3;
- u32 state:2;
- u32 udp:1;
- u32 sta:1; /* static entry */
-} __attribute__ ((packed));
-
-struct mtk_foe_bind_info_blk {
- u32 time_stamp:15;
- u32 ka:1; /* keep alive */
- u32 vlan_layer:3;
- u32 psn:1; /* egress packet has PPPoE session */
-#ifdef CONFIG_RALINK
- u32 vpm:2; /* 0:ethertype remark, 1:0x8100(CR default) */
-#else
- u32 vpm:1; /* 0:ethertype remark, 1:0x8100(CR default) */
- u32 ps:1; /* packet sampling */
-#endif
- u32 cah:1; /* cacheable flag */
- u32 rmt:1; /* remove tunnel ip header (6rd/dslite only) */
- u32 ttl:1;
- u32 pkt_type:3;
- u32 state:2;
- u32 udp:1;
- u32 sta:1; /* static entry */
-} __attribute__ ((packed));
-
-struct mtk_foe_info_blk2 {
- u32 qid:4; /* QID in Qos Port */
- u32 fqos:1; /* force to PSE QoS port */
- u32 dp:3; /* force to PSE port x
- 0:PSE,1:GSW, 2:GMAC,4:PPE,5:QDMA,7=DROP */
- u32 mcast:1; /* multicast this packet to CPU */
- u32 pcpl:1; /* OSBN */
- u32 mlen:1; /* 0:post 1:pre packet length in meter */
- u32 alen:1; /* 0:post 1:pre packet length in accounting */
- u32 port_mg:6; /* port meter group */
- u32 port_ag:6; /* port account group */
- u32 dscp:8; /* DSCP value */
-} __attribute__ ((packed));
-
-struct mtk_foe_ipv4_hnapt {
- union {
- struct mtk_foe_bind_info_blk bfib1;
- struct mtk_foe_unbind_info_blk udib1;
- u32 info_blk1;
- };
- u32 sip;
- u32 dip;
- u16 dport;
- u16 sport;
- union {
- struct mtk_foe_info_blk2 iblk2;
- u32 info_blk2;
- };
- u32 new_sip;
- u32 new_dip;
- u16 new_dport;
- u16 new_sport;
- u32 resv1;
- u32 resv2;
- u32 resv3:26;
- u32 act_dp:6; /* UDF */
- u16 vlan1;
- u16 etype;
- u32 dmac_hi;
- u16 vlan2;
- u16 dmac_lo;
- u32 smac_hi;
- u16 pppoe_id;
- u16 smac_lo;
-} __attribute__ ((packed));
-
-struct mtk_foe_entry {
- union {
- struct mtk_foe_unbind_info_blk udib1;
- struct mtk_foe_bind_info_blk bfib1;
- struct mtk_foe_ipv4_hnapt ipv4_hnapt;
- };
-};
-
-enum mtk_foe_entry_state {
- FOE_STATE_INVALID = 0,
- FOE_STATE_UNBIND = 1,
- FOE_STATE_BIND = 2,
- FOE_STATE_FIN = 3
-};
-
-
-#define MTK_RXD4_FOE_ENTRY GENMASK(13, 0)
-#define MTK_RXD4_CPU_REASON GENMASK(18, 14)
-#define MTK_RXD4_SRC_PORT GENMASK(21, 19)
-#define MTK_RXD4_ALG GENMASK(31, 22)
-
-enum mtk_foe_cpu_reason {
- MTK_CPU_REASON_TTL_EXCEEDED = 0x02,
- MTK_CPU_REASON_OPTION_HEADER = 0x03,
- MTK_CPU_REASON_NO_FLOW = 0x07,
- MTK_CPU_REASON_IPV4_FRAG = 0x08,
- MTK_CPU_REASON_IPV4_DSLITE_FRAG = 0x09,
- MTK_CPU_REASON_IPV4_DSLITE_NO_TCP_UDP = 0x0a,
- MTK_CPU_REASON_IPV6_6RD_NO_TCP_UDP = 0x0b,
- MTK_CPU_REASON_TCP_FIN_SYN_RST = 0x0c,
- MTK_CPU_REASON_UN_HIT = 0x0d,
- MTK_CPU_REASON_HIT_UNBIND = 0x0e,
- MTK_CPU_REASON_HIT_UNBIND_RATE_REACHED = 0x0f,
- MTK_CPU_REASON_HIT_BIND_TCP_FIN = 0x10,
- MTK_CPU_REASON_HIT_TTL_1 = 0x11,
- MTK_CPU_REASON_HIT_BIND_VLAN_VIOLATION = 0x12,
- MTK_CPU_REASON_KEEPALIVE_UC_OLD_HDR = 0x13,
- MTK_CPU_REASON_KEEPALIVE_MC_NEW_HDR = 0x14,
- MTK_CPU_REASON_KEEPALIVE_DUP_OLD_HDR = 0x15,
- MTK_CPU_REASON_HIT_BIND_FORCE_CPU = 0x16,
- MTK_CPU_REASON_TUNNEL_OPTION_HEADER = 0x17,
- MTK_CPU_REASON_MULTICAST_TO_CPU = 0x18,
- MTK_CPU_REASON_MULTICAST_TO_GMAC1_CPU = 0x19,
- MTK_CPU_REASON_HIT_PRE_BIND = 0x1a,
- MTK_CPU_REASON_PACKET_SAMPLING = 0x1b,
- MTK_CPU_REASON_EXCEED_MTU = 0x1c,
- MTK_CPU_REASON_PPE_BYPASS = 0x1e,
- MTK_CPU_REASON_INVALID = 0x1f,
-};
-
-
-/* our table size is 4K */
-#define MTK_PPE_ENTRY_CNT 0x1000
-#define MTK_PPE_TBL_SZ \
- (MTK_PPE_ENTRY_CNT * sizeof(struct mtk_foe_entry))
-
-int mtk_ppe_debugfs_init(struct mtk_eth *eth);
-
-
+++ /dev/null
-/* This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
- * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
- * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
- */
-
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/if_vlan.h>
-#include <linux/of_net.h>
-
-#include <asm/mach-ralink/ralink_regs.h>
-
-#include <mt7620.h>
-#include "mtk_eth_soc.h"
-#include "gsw_mt7620.h"
-#include "mt7530.h"
-#include "mdio.h"
-
-#define MT7620A_CDMA_CSG_CFG 0x400
-#define MT7620_DMA_VID (MT7620A_CDMA_CSG_CFG | 0x30)
-#define MT7621_CDMP_IG_CTRL (MT7620A_CDMA_CSG_CFG + 0x00)
-#define MT7621_CDMP_EG_CTRL (MT7620A_CDMA_CSG_CFG + 0x04)
-#define MT7620A_RESET_FE BIT(21)
-#define MT7621_RESET_FE BIT(6)
-#define MT7620A_RESET_ESW BIT(23)
-#define MT7620_L4_VALID BIT(23)
-#define MT7621_L4_VALID BIT(24)
-
-#define MT7620_TX_DMA_UDF BIT(15)
-#define MT7621_TX_DMA_UDF BIT(19)
-#define TX_DMA_FP_BMAP ((0xff) << 19)
-
-#define CDMA_ICS_EN BIT(2)
-#define CDMA_UCS_EN BIT(1)
-#define CDMA_TCS_EN BIT(0)
-
-#define GDMA_ICS_EN BIT(22)
-#define GDMA_TCS_EN BIT(21)
-#define GDMA_UCS_EN BIT(20)
-
-/* frame engine counters */
-#define MT7620_REG_MIB_OFFSET 0x1000
-#define MT7620_PPE_AC_BCNT0 (MT7620_REG_MIB_OFFSET + 0x00)
-#define MT7620_GDM1_TX_GBCNT (MT7620_REG_MIB_OFFSET + 0x300)
-#define MT7620_GDM2_TX_GBCNT (MT7620_GDM1_TX_GBCNT + 0x40)
-
-#define MT7621_REG_MIB_OFFSET 0x2000
-#define MT7621_PPE_AC_BCNT0 (MT7621_REG_MIB_OFFSET + 0x00)
-#define MT7621_GDM1_TX_GBCNT (MT7621_REG_MIB_OFFSET + 0x400)
-#define MT7621_GDM2_TX_GBCNT (MT7621_GDM1_TX_GBCNT + 0x40)
-
-#define GSW_REG_GDMA1_MAC_ADRL 0x508
-#define GSW_REG_GDMA1_MAC_ADRH 0x50C
-
-#define MT7621_FE_RST_GL (FE_FE_OFFSET + 0x04)
-#define MT7620_FE_INT_STATUS2 (FE_FE_OFFSET + 0x08)
-
-/* FE_INT_STATUS reg on mt7620 define CNT_GDM1_AF at BIT(29)
- * but after test it should be BIT(13).
- */
-#define MT7620_FE_GDM1_AF BIT(13)
-#define MT7621_FE_GDM1_AF BIT(28)
-#define MT7621_FE_GDM2_AF BIT(29)
-
-static const u16 mt7620_reg_table[FE_REG_COUNT] = {
- [FE_REG_PDMA_GLO_CFG] = RT5350_PDMA_GLO_CFG,
- [FE_REG_PDMA_RST_CFG] = RT5350_PDMA_RST_CFG,
- [FE_REG_DLY_INT_CFG] = RT5350_DLY_INT_CFG,
- [FE_REG_TX_BASE_PTR0] = RT5350_TX_BASE_PTR0,
- [FE_REG_TX_MAX_CNT0] = RT5350_TX_MAX_CNT0,
- [FE_REG_TX_CTX_IDX0] = RT5350_TX_CTX_IDX0,
- [FE_REG_TX_DTX_IDX0] = RT5350_TX_DTX_IDX0,
- [FE_REG_RX_BASE_PTR0] = RT5350_RX_BASE_PTR0,
- [FE_REG_RX_MAX_CNT0] = RT5350_RX_MAX_CNT0,
- [FE_REG_RX_CALC_IDX0] = RT5350_RX_CALC_IDX0,
- [FE_REG_RX_DRX_IDX0] = RT5350_RX_DRX_IDX0,
- [FE_REG_FE_INT_ENABLE] = RT5350_FE_INT_ENABLE,
- [FE_REG_FE_INT_STATUS] = RT5350_FE_INT_STATUS,
- [FE_REG_FE_DMA_VID_BASE] = MT7620_DMA_VID,
- [FE_REG_FE_COUNTER_BASE] = MT7620_GDM1_TX_GBCNT,
- [FE_REG_FE_RST_GL] = MT7621_FE_RST_GL,
- [FE_REG_FE_INT_STATUS2] = MT7620_FE_INT_STATUS2,
-};
-
-static int mt7620_gsw_config(struct fe_priv *priv)
-{
- struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv;
-
- /* is the mt7530 internal or external */
- if (priv->mii_bus && mdiobus_get_phy(priv->mii_bus, 0x1f)) {
- mt7530_probe(priv->dev, gsw->base, NULL, 0);
- mt7530_probe(priv->dev, NULL, priv->mii_bus, 1);
- } else {
- mt7530_probe(priv->dev, gsw->base, NULL, 1);
- }
-
- return 0;
-}
-
-static void mt7620_set_mac(struct fe_priv *priv, unsigned char *mac)
-{
- struct mt7620_gsw *gsw = (struct mt7620_gsw *)priv->soc->swpriv;
- unsigned long flags;
-
- spin_lock_irqsave(&priv->page_lock, flags);
- mtk_switch_w32(gsw, (mac[0] << 8) | mac[1], GSW_REG_SMACCR1);
- mtk_switch_w32(gsw, (mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5],
- GSW_REG_SMACCR0);
- spin_unlock_irqrestore(&priv->page_lock, flags);
-}
-
-static void mt7620_auto_poll(struct mt7620_gsw *gsw)
-{
- int phy;
- int lsb = -1, msb = 0;
-
- for_each_set_bit(phy, &gsw->autopoll, 32) {
- if (lsb < 0)
- lsb = phy;
- msb = phy;
- }
-
- if (lsb == msb)
- lsb--;
-
- mtk_switch_w32(gsw, PHY_AN_EN | PHY_PRE_EN | PMY_MDC_CONF(5) |
- (msb << 8) | lsb, ESW_PHY_POLLING);
-}
-
-static void mt7620_port_init(struct fe_priv *priv, struct device_node *np)
-{
- struct mt7620_gsw *gsw = (struct mt7620_gsw *)priv->soc->swpriv;
- const __be32 *_id = of_get_property(np, "reg", NULL);
- int phy_mode, size, id;
- int shift = 12;
- u32 val, mask = 0;
- int min = (gsw->port4 == PORT4_EPHY) ? (5) : (4);
-
- if (!_id || (be32_to_cpu(*_id) < min) || (be32_to_cpu(*_id) > 5)) {
- if (_id)
- pr_err("%s: invalid port id %d\n", np->name,
- be32_to_cpu(*_id));
- else
- pr_err("%s: invalid port id\n", np->name);
- return;
- }
-
- id = be32_to_cpu(*_id);
-
- if (id == 4)
- shift = 14;
-
- priv->phy->phy_fixed[id] = of_get_property(np, "mediatek,fixed-link",
- &size);
- if (priv->phy->phy_fixed[id] &&
- (size != (4 * sizeof(*priv->phy->phy_fixed[id])))) {
- pr_err("%s: invalid fixed link property\n", np->name);
- priv->phy->phy_fixed[id] = NULL;
- return;
- }
-
- phy_mode = of_get_phy_mode(np);
- switch (phy_mode) {
- case PHY_INTERFACE_MODE_RGMII:
- mask = 0;
- break;
- case PHY_INTERFACE_MODE_MII:
- mask = 1;
- break;
- case PHY_INTERFACE_MODE_RMII:
- mask = 2;
- break;
- default:
- dev_err(priv->dev, "port %d - invalid phy mode\n", id);
- return;
- }
-
- priv->phy->phy_node[id] = of_parse_phandle(np, "phy-handle", 0);
- if (!priv->phy->phy_node[id] && !priv->phy->phy_fixed[id])
- return;
-
- val = rt_sysc_r32(SYSC_REG_CFG1);
- val &= ~(3 << shift);
- val |= mask << shift;
- rt_sysc_w32(val, SYSC_REG_CFG1);
-
- if (priv->phy->phy_fixed[id]) {
- const __be32 *link = priv->phy->phy_fixed[id];
- int tx_fc, rx_fc;
- u32 val = 0;
-
- priv->phy->speed[id] = be32_to_cpup(link++);
- tx_fc = be32_to_cpup(link++);
- rx_fc = be32_to_cpup(link++);
- priv->phy->duplex[id] = be32_to_cpup(link++);
- priv->link[id] = 1;
-
- switch (priv->phy->speed[id]) {
- case SPEED_10:
- val = 0;
- break;
- case SPEED_100:
- val = 1;
- break;
- case SPEED_1000:
- val = 2;
- break;
- default:
- dev_err(priv->dev, "invalid link speed: %d\n",
- priv->phy->speed[id]);
- priv->phy->phy_fixed[id] = 0;
- return;
- }
- val = PMCR_SPEED(val);
- val |= PMCR_LINK | PMCR_BACKPRES | PMCR_BACKOFF | PMCR_RX_EN |
- PMCR_TX_EN | PMCR_FORCE | PMCR_MAC_MODE | PMCR_IPG;
- if (tx_fc)
- val |= PMCR_TX_FC;
- if (rx_fc)
- val |= PMCR_RX_FC;
- if (priv->phy->duplex[id])
- val |= PMCR_DUPLEX;
- mtk_switch_w32(gsw, val, GSW_REG_PORT_PMCR(id));
- dev_info(priv->dev, "using fixed link parameters\n");
- return;
- }
-
- if (priv->phy->phy_node[id] && mdiobus_get_phy(priv->mii_bus, id)) {
- u32 val = PMCR_BACKPRES | PMCR_BACKOFF | PMCR_RX_EN |
- PMCR_TX_EN | PMCR_MAC_MODE | PMCR_IPG;
-
- mtk_switch_w32(gsw, val, GSW_REG_PORT_PMCR(id));
- fe_connect_phy_node(priv, priv->phy->phy_node[id]);
- gsw->autopoll |= BIT(id);
- mt7620_auto_poll(gsw);
- return;
- }
-}
-
-static void mt7620_fe_reset(void)
-{
- fe_reset(MT7620A_RESET_FE | MT7620A_RESET_ESW);
-}
-
-static void mt7620_rxcsum_config(bool enable)
-{
- if (enable)
- fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) | (GDMA_ICS_EN |
- GDMA_TCS_EN | GDMA_UCS_EN),
- MT7620A_GDMA1_FWD_CFG);
- else
- fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) & ~(GDMA_ICS_EN |
- GDMA_TCS_EN | GDMA_UCS_EN),
- MT7620A_GDMA1_FWD_CFG);
-}
-
-static void mt7620_txcsum_config(bool enable)
-{
- if (enable)
- fe_w32(fe_r32(MT7620A_CDMA_CSG_CFG) | (CDMA_ICS_EN |
- CDMA_UCS_EN | CDMA_TCS_EN),
- MT7620A_CDMA_CSG_CFG);
- else
- fe_w32(fe_r32(MT7620A_CDMA_CSG_CFG) & ~(CDMA_ICS_EN |
- CDMA_UCS_EN | CDMA_TCS_EN),
- MT7620A_CDMA_CSG_CFG);
-}
-
-static int mt7620_fwd_config(struct fe_priv *priv)
-{
- struct net_device *dev = priv_netdev(priv);
-
- fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) & ~7, MT7620A_GDMA1_FWD_CFG);
-
- mt7620_txcsum_config((dev->features & NETIF_F_IP_CSUM));
- mt7620_rxcsum_config((dev->features & NETIF_F_RXCSUM));
-
- return 0;
-}
-
-static void mt7620_tx_dma(struct fe_tx_dma *txd)
-{
-}
-
-static void mt7620_init_data(struct fe_soc_data *data,
- struct net_device *netdev)
-{
- struct fe_priv *priv = netdev_priv(netdev);
-
- priv->flags = FE_FLAG_PADDING_64B | FE_FLAG_RX_2B_OFFSET |
- FE_FLAG_RX_SG_DMA | FE_FLAG_HAS_SWITCH;
-
- netdev->hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
- NETIF_F_HW_VLAN_CTAG_TX;
- if (mt7620_get_eco() >= 5)
- netdev->hw_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 |
- NETIF_F_IPV6_CSUM;
-}
-
-static struct fe_soc_data mt7620_data = {
- .init_data = mt7620_init_data,
- .reset_fe = mt7620_fe_reset,
- .set_mac = mt7620_set_mac,
- .fwd_config = mt7620_fwd_config,
- .tx_dma = mt7620_tx_dma,
- .switch_init = mtk_gsw_init,
- .switch_config = mt7620_gsw_config,
- .port_init = mt7620_port_init,
- .reg_table = mt7620_reg_table,
- .pdma_glo_cfg = FE_PDMA_SIZE_16DWORDS,
- .rx_int = RT5350_RX_DONE_INT,
- .tx_int = RT5350_TX_DONE_INT,
- .status_int = MT7620_FE_GDM1_AF,
- .checksum_bit = MT7620_L4_VALID,
- .has_carrier = mt7620_has_carrier,
- .mdio_read = mt7620_mdio_read,
- .mdio_write = mt7620_mdio_write,
- .mdio_adjust_link = mt7620_mdio_link_adjust,
-};
-
-const struct of_device_id of_fe_match[] = {
- { .compatible = "mediatek,mt7620-eth", .data = &mt7620_data },
- {},
-};
-
-MODULE_DEVICE_TABLE(of, of_fe_match);
+++ /dev/null
-/* This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
- * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
- * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
- */
-
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/if_vlan.h>
-#include <linux/of_net.h>
-
-#include <asm/mach-ralink/ralink_regs.h>
-
-#include "mtk_eth_soc.h"
-#include "gsw_mt7620.h"
-#include "mt7530.h"
-#include "mdio.h"
-
-#define MT7620A_CDMA_CSG_CFG 0x400
-#define MT7621_CDMP_IG_CTRL (MT7620A_CDMA_CSG_CFG + 0x00)
-#define MT7621_CDMP_EG_CTRL (MT7620A_CDMA_CSG_CFG + 0x04)
-#define MT7621_RESET_FE BIT(6)
-#define MT7621_L4_VALID BIT(24)
-
-#define MT7621_TX_DMA_UDF BIT(19)
-#define MT7621_TX_DMA_FPORT BIT(25)
-
-#define CDMA_ICS_EN BIT(2)
-#define CDMA_UCS_EN BIT(1)
-#define CDMA_TCS_EN BIT(0)
-
-#define GDMA_ICS_EN BIT(22)
-#define GDMA_TCS_EN BIT(21)
-#define GDMA_UCS_EN BIT(20)
-
-/* frame engine counters */
-#define MT7621_REG_MIB_OFFSET 0x2000
-#define MT7621_PPE_AC_BCNT0 (MT7621_REG_MIB_OFFSET + 0x00)
-#define MT7621_GDM1_TX_GBCNT (MT7621_REG_MIB_OFFSET + 0x400)
-#define MT7621_GDM2_TX_GBCNT (MT7621_GDM1_TX_GBCNT + 0x40)
-
-#define GSW_REG_GDMA1_MAC_ADRL 0x508
-#define GSW_REG_GDMA1_MAC_ADRH 0x50C
-
-#define MT7621_FE_RST_GL (FE_FE_OFFSET + 0x04)
-#define MT7620_FE_INT_STATUS2 (FE_FE_OFFSET + 0x08)
-
-/* FE_INT_STATUS reg on mt7620 define CNT_GDM1_AF at BIT(29)
- * but after test it should be BIT(13).
- */
-#define MT7620_FE_GDM1_AF BIT(13)
-#define MT7621_FE_GDM1_AF BIT(28)
-#define MT7621_FE_GDM2_AF BIT(29)
-
-static const u16 mt7621_reg_table[FE_REG_COUNT] = {
- [FE_REG_PDMA_GLO_CFG] = RT5350_PDMA_GLO_CFG,
- [FE_REG_PDMA_RST_CFG] = RT5350_PDMA_RST_CFG,
- [FE_REG_DLY_INT_CFG] = RT5350_DLY_INT_CFG,
- [FE_REG_TX_BASE_PTR0] = RT5350_TX_BASE_PTR0,
- [FE_REG_TX_MAX_CNT0] = RT5350_TX_MAX_CNT0,
- [FE_REG_TX_CTX_IDX0] = RT5350_TX_CTX_IDX0,
- [FE_REG_TX_DTX_IDX0] = RT5350_TX_DTX_IDX0,
- [FE_REG_RX_BASE_PTR0] = RT5350_RX_BASE_PTR0,
- [FE_REG_RX_MAX_CNT0] = RT5350_RX_MAX_CNT0,
- [FE_REG_RX_CALC_IDX0] = RT5350_RX_CALC_IDX0,
- [FE_REG_RX_DRX_IDX0] = RT5350_RX_DRX_IDX0,
- [FE_REG_FE_INT_ENABLE] = RT5350_FE_INT_ENABLE,
- [FE_REG_FE_INT_STATUS] = RT5350_FE_INT_STATUS,
- [FE_REG_FE_DMA_VID_BASE] = 0,
- [FE_REG_FE_COUNTER_BASE] = MT7621_GDM1_TX_GBCNT,
- [FE_REG_FE_RST_GL] = MT7621_FE_RST_GL,
- [FE_REG_FE_INT_STATUS2] = MT7620_FE_INT_STATUS2,
-};
-
-static int mt7621_gsw_config(struct fe_priv *priv)
-{
- if (priv->mii_bus && mdiobus_get_phy(priv->mii_bus, 0x1f))
- mt7530_probe(priv->dev, NULL, priv->mii_bus, 1);
-
- return 0;
-}
-
-static void mt7621_fe_reset(void)
-{
- fe_reset(MT7621_RESET_FE);
-}
-
-static void mt7621_rxcsum_config(bool enable)
-{
- if (enable)
- fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) | (GDMA_ICS_EN |
- GDMA_TCS_EN | GDMA_UCS_EN),
- MT7620A_GDMA1_FWD_CFG);
- else
- fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) & ~(GDMA_ICS_EN |
- GDMA_TCS_EN | GDMA_UCS_EN),
- MT7620A_GDMA1_FWD_CFG);
-}
-
-static void mt7621_rxvlan_config(bool enable)
-{
- if (enable)
- fe_w32(1, MT7621_CDMP_EG_CTRL);
- else
- fe_w32(0, MT7621_CDMP_EG_CTRL);
-}
-
-static int mt7621_fwd_config(struct fe_priv *priv)
-{
- struct net_device *dev = priv_netdev(priv);
-
- fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) & ~0xffff,
- MT7620A_GDMA1_FWD_CFG);
-
- /* mt7621 doesn't have txcsum config */
- mt7621_rxcsum_config((dev->features & NETIF_F_RXCSUM));
- mt7621_rxvlan_config(priv->flags & FE_FLAG_RX_VLAN_CTAG);
-
- return 0;
-}
-
-static void mt7621_tx_dma(struct fe_tx_dma *txd)
-{
- txd->txd4 = MT7621_TX_DMA_FPORT;
-}
-
-static void mt7621_init_data(struct fe_soc_data *data,
- struct net_device *netdev)
-{
- struct fe_priv *priv = netdev_priv(netdev);
-
- priv->flags = FE_FLAG_PADDING_64B | FE_FLAG_RX_2B_OFFSET |
- FE_FLAG_RX_SG_DMA | FE_FLAG_NAPI_WEIGHT |
- FE_FLAG_HAS_SWITCH | FE_FLAG_JUMBO_FRAME;
-
- netdev->hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
- NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_SG | NETIF_F_TSO |
- NETIF_F_TSO6 | NETIF_F_IPV6_CSUM;
-}
-
-static void mt7621_set_mac(struct fe_priv *priv, unsigned char *mac)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&priv->page_lock, flags);
- fe_w32((mac[0] << 8) | mac[1], GSW_REG_GDMA1_MAC_ADRH);
- fe_w32((mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5],
- GSW_REG_GDMA1_MAC_ADRL);
- spin_unlock_irqrestore(&priv->page_lock, flags);
-}
-
-static struct fe_soc_data mt7621_data = {
- .init_data = mt7621_init_data,
- .reset_fe = mt7621_fe_reset,
- .set_mac = mt7621_set_mac,
- .fwd_config = mt7621_fwd_config,
- .tx_dma = mt7621_tx_dma,
- .switch_init = mtk_gsw_init,
- .switch_config = mt7621_gsw_config,
- .reg_table = mt7621_reg_table,
- .pdma_glo_cfg = FE_PDMA_SIZE_16DWORDS,
- .rx_int = RT5350_RX_DONE_INT,
- .tx_int = RT5350_TX_DONE_INT,
- .status_int = (MT7621_FE_GDM1_AF | MT7621_FE_GDM2_AF),
- .checksum_bit = MT7621_L4_VALID,
- .has_carrier = mt7620_has_carrier,
- .mdio_read = mt7620_mdio_read,
- .mdio_write = mt7620_mdio_write,
- .mdio_adjust_link = mt7620_mdio_link_adjust,
-};
-
-const struct of_device_id of_fe_match[] = {
- { .compatible = "mediatek,mt7621-eth", .data = &mt7621_data },
- {},
-};
-
-MODULE_DEVICE_TABLE(of, of_fe_match);
+++ /dev/null
-/* This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
- * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
- * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
- */
-
-#include <linux/module.h>
-
-#include <asm/mach-ralink/ralink_regs.h>
-
-#include "mtk_eth_soc.h"
-#include "mdio_rt2880.h"
-
-#define RT2880_RESET_FE BIT(18)
-
-static void rt2880_init_data(struct fe_soc_data *data,
- struct net_device *netdev)
-{
- struct fe_priv *priv = netdev_priv(netdev);
-
- priv->flags = FE_FLAG_PADDING_64B | FE_FLAG_PADDING_BUG |
- FE_FLAG_JUMBO_FRAME | FE_FLAG_CALIBRATE_CLK;
- netdev->hw_features = NETIF_F_SG | NETIF_F_HW_VLAN_CTAG_TX;
- /* this should work according to the datasheet but actually does not*/
- /* netdev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM; */
-}
-
-void rt2880_fe_reset(void)
-{
- fe_reset(RT2880_RESET_FE);
-}
-
-static int rt2880_fwd_config(struct fe_priv *priv)
-{
- int ret;
-
- ret = fe_set_clock_cycle(priv);
- if (ret)
- return ret;
-
- fe_fwd_config(priv);
- fe_w32(FE_PSE_FQFC_CFG_INIT, FE_PSE_FQ_CFG);
- fe_csum_config(priv);
-
- return ret;
-}
-
-struct fe_soc_data rt2880_data = {
- .init_data = rt2880_init_data,
- .reset_fe = rt2880_fe_reset,
- .fwd_config = rt2880_fwd_config,
- .pdma_glo_cfg = FE_PDMA_SIZE_8DWORDS,
- .checksum_bit = RX_DMA_L4VALID,
- .rx_int = FE_RX_DONE_INT,
- .tx_int = FE_TX_DONE_INT,
- .status_int = FE_CNT_GDM_AF,
- .mdio_read = rt2880_mdio_read,
- .mdio_write = rt2880_mdio_write,
- .mdio_adjust_link = rt2880_mdio_link_adjust,
- .port_init = rt2880_port_init,
-};
-
-const struct of_device_id of_fe_match[] = {
- { .compatible = "ralink,rt2880-eth", .data = &rt2880_data },
- {},
-};
-
-MODULE_DEVICE_TABLE(of, of_fe_match);
+++ /dev/null
-/* This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
- * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
- * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
- */
-
-#include <linux/module.h>
-
-#include <asm/mach-ralink/ralink_regs.h>
-
-#include "mtk_eth_soc.h"
-#include "mdio_rt2880.h"
-
-#define RT305X_RESET_FE BIT(21)
-#define RT305X_RESET_ESW BIT(23)
-
-static const u16 rt5350_reg_table[FE_REG_COUNT] = {
- [FE_REG_PDMA_GLO_CFG] = RT5350_PDMA_GLO_CFG,
- [FE_REG_PDMA_RST_CFG] = RT5350_PDMA_RST_CFG,
- [FE_REG_DLY_INT_CFG] = RT5350_DLY_INT_CFG,
- [FE_REG_TX_BASE_PTR0] = RT5350_TX_BASE_PTR0,
- [FE_REG_TX_MAX_CNT0] = RT5350_TX_MAX_CNT0,
- [FE_REG_TX_CTX_IDX0] = RT5350_TX_CTX_IDX0,
- [FE_REG_TX_DTX_IDX0] = RT5350_TX_DTX_IDX0,
- [FE_REG_RX_BASE_PTR0] = RT5350_RX_BASE_PTR0,
- [FE_REG_RX_MAX_CNT0] = RT5350_RX_MAX_CNT0,
- [FE_REG_RX_CALC_IDX0] = RT5350_RX_CALC_IDX0,
- [FE_REG_RX_DRX_IDX0] = RT5350_RX_DRX_IDX0,
- [FE_REG_FE_INT_ENABLE] = RT5350_FE_INT_ENABLE,
- [FE_REG_FE_INT_STATUS] = RT5350_FE_INT_STATUS,
- [FE_REG_FE_RST_GL] = 0,
- [FE_REG_FE_DMA_VID_BASE] = 0,
-};
-
-static void rt305x_init_data(struct fe_soc_data *data,
- struct net_device *netdev)
-{
- struct fe_priv *priv = netdev_priv(netdev);
-
- priv->flags = FE_FLAG_PADDING_64B | FE_FLAG_PADDING_BUG |
- FE_FLAG_CALIBRATE_CLK | FE_FLAG_HAS_SWITCH;
- netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM |
- NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_TX;
-}
-
-static int rt3050_fwd_config(struct fe_priv *priv)
-{
- int ret;
-
- if (ralink_soc != RT305X_SOC_RT3052) {
- ret = fe_set_clock_cycle(priv);
- if (ret)
- return ret;
- }
-
- fe_fwd_config(priv);
- if (ralink_soc != RT305X_SOC_RT3352)
- fe_w32(FE_PSE_FQFC_CFG_INIT, FE_PSE_FQ_CFG);
- fe_csum_config(priv);
-
- return 0;
-}
-
-static void rt305x_fe_reset(void)
-{
- fe_reset(RT305X_RESET_FE);
-}
-
-static void rt5350_init_data(struct fe_soc_data *data,
- struct net_device *netdev)
-{
- struct fe_priv *priv = netdev_priv(netdev);
-
- priv->flags = FE_FLAG_HAS_SWITCH;
- netdev->hw_features = NETIF_F_SG | NETIF_F_RXCSUM;
-}
-
-static void rt5350_set_mac(struct fe_priv *priv, unsigned char *mac)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&priv->page_lock, flags);
- fe_w32((mac[0] << 8) | mac[1], RT5350_SDM_MAC_ADRH);
- fe_w32((mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5],
- RT5350_SDM_MAC_ADRL);
- spin_unlock_irqrestore(&priv->page_lock, flags);
-}
-
-static void rt5350_rxcsum_config(bool enable)
-{
- if (enable)
- fe_w32(fe_r32(RT5350_SDM_CFG) | (RT5350_SDM_ICS_EN |
- RT5350_SDM_TCS_EN | RT5350_SDM_UCS_EN),
- RT5350_SDM_CFG);
- else
- fe_w32(fe_r32(RT5350_SDM_CFG) & ~(RT5350_SDM_ICS_EN |
- RT5350_SDM_TCS_EN | RT5350_SDM_UCS_EN),
- RT5350_SDM_CFG);
-}
-
-static int rt5350_fwd_config(struct fe_priv *priv)
-{
- struct net_device *dev = priv_netdev(priv);
-
- rt5350_rxcsum_config((dev->features & NETIF_F_RXCSUM));
-
- return 0;
-}
-
-static void rt5350_tx_dma(struct fe_tx_dma *txd)
-{
- txd->txd4 = 0;
-}
-
-static void rt5350_fe_reset(void)
-{
- fe_reset(RT305X_RESET_FE | RT305X_RESET_ESW);
-}
-
-static struct fe_soc_data rt3050_data = {
- .init_data = rt305x_init_data,
- .reset_fe = rt305x_fe_reset,
- .fwd_config = rt3050_fwd_config,
- .pdma_glo_cfg = FE_PDMA_SIZE_8DWORDS,
- .checksum_bit = RX_DMA_L4VALID,
- .rx_int = FE_RX_DONE_INT,
- .tx_int = FE_TX_DONE_INT,
- .status_int = FE_CNT_GDM_AF,
-};
-
-static struct fe_soc_data rt5350_data = {
- .init_data = rt5350_init_data,
- .reg_table = rt5350_reg_table,
- .reset_fe = rt5350_fe_reset,
- .set_mac = rt5350_set_mac,
- .fwd_config = rt5350_fwd_config,
- .tx_dma = rt5350_tx_dma,
- .pdma_glo_cfg = FE_PDMA_SIZE_8DWORDS,
- .checksum_bit = RX_DMA_L4VALID,
- .rx_int = RT5350_RX_DONE_INT,
- .tx_int = RT5350_TX_DONE_INT,
-};
-
-const struct of_device_id of_fe_match[] = {
- { .compatible = "ralink,rt3050-eth", .data = &rt3050_data },
- { .compatible = "ralink,rt5350-eth", .data = &rt5350_data },
- {},
-};
-
-MODULE_DEVICE_TABLE(of, of_fe_match);
+++ /dev/null
-/* This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org>
- * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name>
- * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com>
- */
-
-#include <linux/module.h>
-
-#include <asm/mach-ralink/ralink_regs.h>
-
-#include "mtk_eth_soc.h"
-#include "mdio_rt2880.h"
-
-#define RT3883_RSTCTRL_FE BIT(21)
-
-static void rt3883_fe_reset(void)
-{
- fe_reset(RT3883_RSTCTRL_FE);
-}
-
-static int rt3883_fwd_config(struct fe_priv *priv)
-{
- int ret;
-
- ret = fe_set_clock_cycle(priv);
- if (ret)
- return ret;
-
- fe_fwd_config(priv);
- fe_w32(FE_PSE_FQFC_CFG_256Q, FE_PSE_FQ_CFG);
- fe_csum_config(priv);
-
- return ret;
-}
-
-static void rt3883_init_data(struct fe_soc_data *data,
- struct net_device *netdev)
-{
- struct fe_priv *priv = netdev_priv(netdev);
-
- priv->flags = FE_FLAG_PADDING_64B | FE_FLAG_PADDING_BUG |
- FE_FLAG_JUMBO_FRAME | FE_FLAG_CALIBRATE_CLK;
- netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM |
- NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_TX;
-}
-
-static struct fe_soc_data rt3883_data = {
- .init_data = rt3883_init_data,
- .reset_fe = rt3883_fe_reset,
- .fwd_config = rt3883_fwd_config,
- .pdma_glo_cfg = FE_PDMA_SIZE_8DWORDS,
- .rx_int = FE_RX_DONE_INT,
- .tx_int = FE_TX_DONE_INT,
- .status_int = FE_CNT_GDM_AF,
- .checksum_bit = RX_DMA_L4VALID,
- .mdio_read = rt2880_mdio_read,
- .mdio_write = rt2880_mdio_write,
- .mdio_adjust_link = rt2880_mdio_link_adjust,
- .port_init = rt2880_port_init,
-};
-
-const struct of_device_id of_fe_match[] = {
- { .compatible = "ralink,rt3883-eth", .data = &rt3883_data },
- {},
-};
-
-MODULE_DEVICE_TABLE(of, of_fe_match);
+++ /dev/null
-From b6f779ea9c329451b89404583b45b9eb00155b32 Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Wed, 18 Nov 2015 03:58:26 +0100
-Subject: [PATCH 510/513] net-next: mediatek: add Kconfig and Makefile
-
-This patch adds the Makefile and Kconfig required to make the driver build.
-
-Signed-off-by: John Crispin <blogic@openwrt.org>
-Signed-off-by: Felix Fietkau <nbd@nbd.name>
-Signed-off-by: Michael Lee <igvtee@gmail.com>
----
- drivers/net/ethernet/Kconfig | 1 +
- drivers/net/ethernet/Makefile | 1 +
- drivers/net/ethernet/mtk/Kconfig | 62 ++++++++++++++++++++++++++++++++
- drivers/net/ethernet/mtk/Makefile | 20 +++++++++++
- 4 files changed, 84 insertions(+)
- create mode 100644 drivers/net/ethernet/mtk/Kconfig
- create mode 100644 drivers/net/ethernet/mtk/Makefile
-
---- a/drivers/net/ethernet/Kconfig
-+++ b/drivers/net/ethernet/Kconfig
-@@ -110,7 +110,7 @@ config LANTIQ_ETOP
- Support for the MII0 inside the Lantiq SoC
-
- source "drivers/net/ethernet/marvell/Kconfig"
--source "drivers/net/ethernet/mediatek/Kconfig"
-+source "drivers/net/ethernet/mtk/Kconfig"
- source "drivers/net/ethernet/mellanox/Kconfig"
- source "drivers/net/ethernet/micrel/Kconfig"
- source "drivers/net/ethernet/microchip/Kconfig"
---- a/drivers/net/ethernet/Makefile
-+++ b/drivers/net/ethernet/Makefile
-@@ -51,7 +51,7 @@ obj-$(CONFIG_JME) += jme.o
- obj-$(CONFIG_KORINA) += korina.o
- obj-$(CONFIG_LANTIQ_ETOP) += lantiq_etop.o
- obj-$(CONFIG_NET_VENDOR_MARVELL) += marvell/
--obj-$(CONFIG_NET_VENDOR_MEDIATEK) += mediatek/
-+obj-$(CONFIG_NET_VENDOR_MEDIATEK) += mtk/
- obj-$(CONFIG_NET_VENDOR_MELLANOX) += mellanox/
- obj-$(CONFIG_NET_VENDOR_MICREL) += micrel/
- obj-$(CONFIG_NET_VENDOR_MICROCHIP) += microchip/
projects / openwrt / staging / jow.git / commitdiff