+++ /dev/null
-/*
- * Driver for the built-in ethernet switch of the Atheros AR7240 SoC
- * Copyright (c) 2010 Gabor Juhos <juhosg@openwrt.org>
- * Copyright (c) 2010 Felix Fietkau <nbd@nbd.name>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation.
- *
- */
-
-#include <linux/etherdevice.h>
-#include <linux/list.h>
-#include <linux/netdevice.h>
-#include <linux/of_mdio.h>
-#include <linux/of_net.h>
-#include <linux/phy.h>
-#include <linux/mii.h>
-#include <linux/bitops.h>
-#include <linux/switch.h>
-#include "ag71xx.h"
-
-#define BITM(_count) (BIT(_count) - 1)
-#define BITS(_shift, _count) (BITM(_count) << _shift)
-
-#define AR7240_REG_MASK_CTRL 0x00
-#define AR7240_MASK_CTRL_REVISION_M BITM(8)
-#define AR7240_MASK_CTRL_VERSION_M BITM(8)
-#define AR7240_MASK_CTRL_VERSION_S 8
-#define AR7240_MASK_CTRL_VERSION_AR7240 0x01
-#define AR7240_MASK_CTRL_VERSION_AR934X 0x02
-#define AR7240_MASK_CTRL_SOFT_RESET BIT(31)
-
-#define AR7240_REG_MAC_ADDR0 0x20
-#define AR7240_REG_MAC_ADDR1 0x24
-
-#define AR7240_REG_FLOOD_MASK 0x2c
-#define AR7240_FLOOD_MASK_BROAD_TO_CPU BIT(26)
-
-#define AR7240_REG_GLOBAL_CTRL 0x30
-#define AR7240_GLOBAL_CTRL_MTU_M BITM(11)
-#define AR9340_GLOBAL_CTRL_MTU_M BITM(14)
-
-#define AR7240_REG_VTU 0x0040
-#define AR7240_VTU_OP BITM(3)
-#define AR7240_VTU_OP_NOOP 0x0
-#define AR7240_VTU_OP_FLUSH 0x1
-#define AR7240_VTU_OP_LOAD 0x2
-#define AR7240_VTU_OP_PURGE 0x3
-#define AR7240_VTU_OP_REMOVE_PORT 0x4
-#define AR7240_VTU_ACTIVE BIT(3)
-#define AR7240_VTU_FULL BIT(4)
-#define AR7240_VTU_PORT BITS(8, 4)
-#define AR7240_VTU_PORT_S 8
-#define AR7240_VTU_VID BITS(16, 12)
-#define AR7240_VTU_VID_S 16
-#define AR7240_VTU_PRIO BITS(28, 3)
-#define AR7240_VTU_PRIO_S 28
-#define AR7240_VTU_PRIO_EN BIT(31)
-
-#define AR7240_REG_VTU_DATA 0x0044
-#define AR7240_VTUDATA_MEMBER BITS(0, 10)
-#define AR7240_VTUDATA_VALID BIT(11)
-
-#define AR7240_REG_ATU 0x50
-#define AR7240_ATU_FLUSH_ALL 0x1
-
-#define AR7240_REG_AT_CTRL 0x5c
-#define AR7240_AT_CTRL_AGE_TIME BITS(0, 15)
-#define AR7240_AT_CTRL_AGE_EN BIT(17)
-#define AR7240_AT_CTRL_LEARN_CHANGE BIT(18)
-#define AR7240_AT_CTRL_RESERVED BIT(19)
-#define AR7240_AT_CTRL_ARP_EN BIT(20)
-
-#define AR7240_REG_TAG_PRIORITY 0x70
-
-#define AR7240_REG_SERVICE_TAG 0x74
-#define AR7240_SERVICE_TAG_M BITM(16)
-
-#define AR7240_REG_CPU_PORT 0x78
-#define AR7240_MIRROR_PORT_S 4
-#define AR7240_MIRROR_PORT_M BITM(4)
-#define AR7240_CPU_PORT_EN BIT(8)
-
-#define AR7240_REG_MIB_FUNCTION0 0x80
-#define AR7240_MIB_TIMER_M BITM(16)
-#define AR7240_MIB_AT_HALF_EN BIT(16)
-#define AR7240_MIB_BUSY BIT(17)
-#define AR7240_MIB_FUNC_S 24
-#define AR7240_MIB_FUNC_M BITM(3)
-#define AR7240_MIB_FUNC_NO_OP 0x0
-#define AR7240_MIB_FUNC_FLUSH 0x1
-#define AR7240_MIB_FUNC_CAPTURE 0x3
-
-#define AR7240_REG_MDIO_CTRL 0x98
-#define AR7240_MDIO_CTRL_DATA_M BITM(16)
-#define AR7240_MDIO_CTRL_REG_ADDR_S 16
-#define AR7240_MDIO_CTRL_PHY_ADDR_S 21
-#define AR7240_MDIO_CTRL_CMD_WRITE 0
-#define AR7240_MDIO_CTRL_CMD_READ BIT(27)
-#define AR7240_MDIO_CTRL_MASTER_EN BIT(30)
-#define AR7240_MDIO_CTRL_BUSY BIT(31)
-
-#define AR7240_REG_PORT_BASE(_port) (0x100 + (_port) * 0x100)
-
-#define AR7240_REG_PORT_STATUS(_port) (AR7240_REG_PORT_BASE((_port)) + 0x00)
-#define AR7240_PORT_STATUS_SPEED_S 0
-#define AR7240_PORT_STATUS_SPEED_M BITM(2)
-#define AR7240_PORT_STATUS_SPEED_10 0
-#define AR7240_PORT_STATUS_SPEED_100 1
-#define AR7240_PORT_STATUS_SPEED_1000 2
-#define AR7240_PORT_STATUS_TXMAC BIT(2)
-#define AR7240_PORT_STATUS_RXMAC BIT(3)
-#define AR7240_PORT_STATUS_TXFLOW BIT(4)
-#define AR7240_PORT_STATUS_RXFLOW BIT(5)
-#define AR7240_PORT_STATUS_DUPLEX BIT(6)
-#define AR7240_PORT_STATUS_LINK_UP BIT(8)
-#define AR7240_PORT_STATUS_LINK_AUTO BIT(9)
-#define AR7240_PORT_STATUS_LINK_PAUSE BIT(10)
-
-#define AR7240_REG_PORT_CTRL(_port) (AR7240_REG_PORT_BASE((_port)) + 0x04)
-#define AR7240_PORT_CTRL_STATE_M BITM(3)
-#define AR7240_PORT_CTRL_STATE_DISABLED 0
-#define AR7240_PORT_CTRL_STATE_BLOCK 1
-#define AR7240_PORT_CTRL_STATE_LISTEN 2
-#define AR7240_PORT_CTRL_STATE_LEARN 3
-#define AR7240_PORT_CTRL_STATE_FORWARD 4
-#define AR7240_PORT_CTRL_LEARN_LOCK BIT(7)
-#define AR7240_PORT_CTRL_VLAN_MODE_S 8
-#define AR7240_PORT_CTRL_VLAN_MODE_KEEP 0
-#define AR7240_PORT_CTRL_VLAN_MODE_STRIP 1
-#define AR7240_PORT_CTRL_VLAN_MODE_ADD 2
-#define AR7240_PORT_CTRL_VLAN_MODE_DOUBLE_TAG 3
-#define AR7240_PORT_CTRL_IGMP_SNOOP BIT(10)
-#define AR7240_PORT_CTRL_HEADER BIT(11)
-#define AR7240_PORT_CTRL_MAC_LOOP BIT(12)
-#define AR7240_PORT_CTRL_SINGLE_VLAN BIT(13)
-#define AR7240_PORT_CTRL_LEARN BIT(14)
-#define AR7240_PORT_CTRL_DOUBLE_TAG BIT(15)
-#define AR7240_PORT_CTRL_MIRROR_TX BIT(16)
-#define AR7240_PORT_CTRL_MIRROR_RX BIT(17)
-
-#define AR7240_REG_PORT_VLAN(_port) (AR7240_REG_PORT_BASE((_port)) + 0x08)
-
-#define AR7240_PORT_VLAN_DEFAULT_ID_S 0
-#define AR7240_PORT_VLAN_DEST_PORTS_S 16
-#define AR7240_PORT_VLAN_MODE_S 30
-#define AR7240_PORT_VLAN_MODE_PORT_ONLY 0
-#define AR7240_PORT_VLAN_MODE_PORT_FALLBACK 1
-#define AR7240_PORT_VLAN_MODE_VLAN_ONLY 2
-#define AR7240_PORT_VLAN_MODE_SECURE 3
-
-
-#define AR7240_REG_STATS_BASE(_port) (0x20000 + (_port) * 0x100)
-
-#define AR7240_STATS_RXBROAD 0x00
-#define AR7240_STATS_RXPAUSE 0x04
-#define AR7240_STATS_RXMULTI 0x08
-#define AR7240_STATS_RXFCSERR 0x0c
-#define AR7240_STATS_RXALIGNERR 0x10
-#define AR7240_STATS_RXRUNT 0x14
-#define AR7240_STATS_RXFRAGMENT 0x18
-#define AR7240_STATS_RX64BYTE 0x1c
-#define AR7240_STATS_RX128BYTE 0x20
-#define AR7240_STATS_RX256BYTE 0x24
-#define AR7240_STATS_RX512BYTE 0x28
-#define AR7240_STATS_RX1024BYTE 0x2c
-#define AR7240_STATS_RX1518BYTE 0x30
-#define AR7240_STATS_RXMAXBYTE 0x34
-#define AR7240_STATS_RXTOOLONG 0x38
-#define AR7240_STATS_RXGOODBYTE 0x3c
-#define AR7240_STATS_RXBADBYTE 0x44
-#define AR7240_STATS_RXOVERFLOW 0x4c
-#define AR7240_STATS_FILTERED 0x50
-#define AR7240_STATS_TXBROAD 0x54
-#define AR7240_STATS_TXPAUSE 0x58
-#define AR7240_STATS_TXMULTI 0x5c
-#define AR7240_STATS_TXUNDERRUN 0x60
-#define AR7240_STATS_TX64BYTE 0x64
-#define AR7240_STATS_TX128BYTE 0x68
-#define AR7240_STATS_TX256BYTE 0x6c
-#define AR7240_STATS_TX512BYTE 0x70
-#define AR7240_STATS_TX1024BYTE 0x74
-#define AR7240_STATS_TX1518BYTE 0x78
-#define AR7240_STATS_TXMAXBYTE 0x7c
-#define AR7240_STATS_TXOVERSIZE 0x80
-#define AR7240_STATS_TXBYTE 0x84
-#define AR7240_STATS_TXCOLLISION 0x8c
-#define AR7240_STATS_TXABORTCOL 0x90
-#define AR7240_STATS_TXMULTICOL 0x94
-#define AR7240_STATS_TXSINGLECOL 0x98
-#define AR7240_STATS_TXEXCDEFER 0x9c
-#define AR7240_STATS_TXDEFER 0xa0
-#define AR7240_STATS_TXLATECOL 0xa4
-
-#define AR7240_PORT_CPU 0
-#define AR7240_NUM_PORTS 6
-#define AR7240_NUM_PHYS 5
-
-#define AR7240_PHY_ID1 0x004d
-#define AR7240_PHY_ID2 0xd041
-
-#define AR934X_PHY_ID1 0x004d
-#define AR934X_PHY_ID2 0xd042
-
-#define AR7240_MAX_VLANS 16
-
-#define AR934X_REG_OPER_MODE0 0x04
-#define AR934X_OPER_MODE0_MAC_GMII_EN BIT(6)
-#define AR934X_OPER_MODE0_PHY_MII_EN BIT(10)
-
-#define AR934X_REG_OPER_MODE1 0x08
-#define AR934X_REG_OPER_MODE1_PHY4_MII_EN BIT(28)
-
-#define AR934X_REG_FLOOD_MASK 0x2c
-#define AR934X_FLOOD_MASK_MC_DP(_p) BIT(16 + (_p))
-#define AR934X_FLOOD_MASK_BC_DP(_p) BIT(25 + (_p))
-
-#define AR934X_REG_QM_CTRL 0x3c
-#define AR934X_QM_CTRL_ARP_EN BIT(15)
-
-#define AR934X_REG_AT_CTRL 0x5c
-#define AR934X_AT_CTRL_AGE_TIME BITS(0, 15)
-#define AR934X_AT_CTRL_AGE_EN BIT(17)
-#define AR934X_AT_CTRL_LEARN_CHANGE BIT(18)
-
-#define AR934X_MIB_ENABLE BIT(30)
-
-#define AR934X_REG_PORT_BASE(_port) (0x100 + (_port) * 0x100)
-
-#define AR934X_REG_PORT_VLAN1(_port) (AR934X_REG_PORT_BASE((_port)) + 0x08)
-#define AR934X_PORT_VLAN1_DEFAULT_SVID_S 0
-#define AR934X_PORT_VLAN1_FORCE_DEFAULT_VID_EN BIT(12)
-#define AR934X_PORT_VLAN1_PORT_TLS_MODE BIT(13)
-#define AR934X_PORT_VLAN1_PORT_VLAN_PROP_EN BIT(14)
-#define AR934X_PORT_VLAN1_PORT_CLONE_EN BIT(15)
-#define AR934X_PORT_VLAN1_DEFAULT_CVID_S 16
-#define AR934X_PORT_VLAN1_FORCE_PORT_VLAN_EN BIT(28)
-#define AR934X_PORT_VLAN1_ING_PORT_PRI_S 29
-
-#define AR934X_REG_PORT_VLAN2(_port) (AR934X_REG_PORT_BASE((_port)) + 0x0c)
-#define AR934X_PORT_VLAN2_PORT_VID_MEM_S 16
-#define AR934X_PORT_VLAN2_8021Q_MODE_S 30
-#define AR934X_PORT_VLAN2_8021Q_MODE_PORT_ONLY 0
-#define AR934X_PORT_VLAN2_8021Q_MODE_PORT_FALLBACK 1
-#define AR934X_PORT_VLAN2_8021Q_MODE_VLAN_ONLY 2
-#define AR934X_PORT_VLAN2_8021Q_MODE_SECURE 3
-
-#define sw_to_ar7240(_dev) container_of(_dev, struct ar7240sw, swdev)
-
-struct ar7240sw_port_stat {
- unsigned long rx_broadcast;
- unsigned long rx_pause;
- unsigned long rx_multicast;
- unsigned long rx_fcs_error;
- unsigned long rx_align_error;
- unsigned long rx_runt;
- unsigned long rx_fragments;
- unsigned long rx_64byte;
- unsigned long rx_128byte;
- unsigned long rx_256byte;
- unsigned long rx_512byte;
- unsigned long rx_1024byte;
- unsigned long rx_1518byte;
- unsigned long rx_maxbyte;
- unsigned long rx_toolong;
- unsigned long rx_good_byte;
- unsigned long rx_bad_byte;
- unsigned long rx_overflow;
- unsigned long filtered;
-
- unsigned long tx_broadcast;
- unsigned long tx_pause;
- unsigned long tx_multicast;
- unsigned long tx_underrun;
- unsigned long tx_64byte;
- unsigned long tx_128byte;
- unsigned long tx_256byte;
- unsigned long tx_512byte;
- unsigned long tx_1024byte;
- unsigned long tx_1518byte;
- unsigned long tx_maxbyte;
- unsigned long tx_oversize;
- unsigned long tx_byte;
- unsigned long tx_collision;
- unsigned long tx_abortcol;
- unsigned long tx_multicol;
- unsigned long tx_singlecol;
- unsigned long tx_excdefer;
- unsigned long tx_defer;
- unsigned long tx_xlatecol;
-};
-
-struct ar7240sw {
- struct mii_bus *mii_bus;
- struct mii_bus *switch_mii_bus;
- struct device_node *of_node;
- struct device_node *mdio_node;
- struct switch_dev swdev;
- int num_ports;
- u8 ver;
- bool vlan;
- u16 vlan_id[AR7240_MAX_VLANS];
- u8 vlan_table[AR7240_MAX_VLANS];
- u8 vlan_tagged;
- u16 pvid[AR7240_NUM_PORTS];
- char buf[80];
-
- rwlock_t stats_lock;
- struct ar7240sw_port_stat port_stats[AR7240_NUM_PORTS];
-};
-
-struct ar7240sw_hw_stat {
- char string[ETH_GSTRING_LEN];
- int sizeof_stat;
- int reg;
-};
-
-static DEFINE_MUTEX(reg_mutex);
-
-static inline int sw_is_ar7240(struct ar7240sw *as)
-{
- return as->ver == AR7240_MASK_CTRL_VERSION_AR7240;
-}
-
-static inline int sw_is_ar934x(struct ar7240sw *as)
-{
- return as->ver == AR7240_MASK_CTRL_VERSION_AR934X;
-}
-
-static inline u32 ar7240sw_port_mask(struct ar7240sw *as, int port)
-{
- return BIT(port);
-}
-
-static inline u32 ar7240sw_port_mask_all(struct ar7240sw *as)
-{
- return BIT(as->swdev.ports) - 1;
-}
-
-static inline u32 ar7240sw_port_mask_but(struct ar7240sw *as, int port)
-{
- return ar7240sw_port_mask_all(as) & ~BIT(port);
-}
-
-static inline u16 mk_phy_addr(u32 reg)
-{
- return 0x17 & ((reg >> 4) | 0x10);
-}
-
-static inline u16 mk_phy_reg(u32 reg)
-{
- return (reg << 1) & 0x1e;
-}
-
-static inline u16 mk_high_addr(u32 reg)
-{
- return (reg >> 7) & 0x1ff;
-}
-
-static u32 __ar7240sw_reg_read(struct mii_bus *mii, u32 reg)
-{
- unsigned long flags;
- u16 phy_addr;
- u16 phy_reg;
- u32 hi, lo;
-
- reg = (reg & 0xfffffffc) >> 2;
- phy_addr = mk_phy_addr(reg);
- phy_reg = mk_phy_reg(reg);
-
- local_irq_save(flags);
- mutex_lock(&mii->mdio_lock);
- mii->write(mii, 0x1f, 0x10, mk_high_addr(reg));
- lo = (u32) mii->read(mii, phy_addr, phy_reg);
- hi = (u32) mii->read(mii, phy_addr, phy_reg + 1);
- mutex_unlock(&mii->mdio_lock);
- local_irq_restore(flags);
-
- return (hi << 16) | lo;
-}
-
-static void __ar7240sw_reg_write(struct mii_bus *mii, u32 reg, u32 val)
-{
- unsigned long flags;
- u16 phy_addr;
- u16 phy_reg;
-
- reg = (reg & 0xfffffffc) >> 2;
- phy_addr = mk_phy_addr(reg);
- phy_reg = mk_phy_reg(reg);
-
- local_irq_save(flags);
- mutex_lock(&mii->mdio_lock);
- mii->write(mii, 0x1f, 0x10, mk_high_addr(reg));
- mii->write(mii, phy_addr, phy_reg + 1, (val >> 16));
- mii->write(mii, phy_addr, phy_reg, (val & 0xffff));
- mutex_unlock(&mii->mdio_lock);
- local_irq_restore(flags);
-}
-
-static u32 ar7240sw_reg_read(struct mii_bus *mii, u32 reg_addr)
-{
- u32 ret;
-
- mutex_lock(®_mutex);
- ret = __ar7240sw_reg_read(mii, reg_addr);
- mutex_unlock(®_mutex);
-
- return ret;
-}
-
-static void ar7240sw_reg_write(struct mii_bus *mii, u32 reg_addr, u32 reg_val)
-{
- mutex_lock(®_mutex);
- __ar7240sw_reg_write(mii, reg_addr, reg_val);
- mutex_unlock(®_mutex);
-}
-
-static u32 ar7240sw_reg_rmw(struct mii_bus *mii, u32 reg, u32 mask, u32 val)
-{
- u32 t;
-
- mutex_lock(®_mutex);
- t = __ar7240sw_reg_read(mii, reg);
- t &= ~mask;
- t |= val;
- __ar7240sw_reg_write(mii, reg, t);
- mutex_unlock(®_mutex);
-
- return t;
-}
-
-static void ar7240sw_reg_set(struct mii_bus *mii, u32 reg, u32 val)
-{
- u32 t;
-
- mutex_lock(®_mutex);
- t = __ar7240sw_reg_read(mii, reg);
- t |= val;
- __ar7240sw_reg_write(mii, reg, t);
- mutex_unlock(®_mutex);
-}
-
-static int __ar7240sw_reg_wait(struct mii_bus *mii, u32 reg, u32 mask, u32 val,
- unsigned timeout)
-{
- int i;
-
- for (i = 0; i < timeout; i++) {
- u32 t;
-
- t = __ar7240sw_reg_read(mii, reg);
- if ((t & mask) == val)
- return 0;
-
- usleep_range(1000, 2000);
- }
-
- return -ETIMEDOUT;
-}
-
-static int ar7240sw_reg_wait(struct mii_bus *mii, u32 reg, u32 mask, u32 val,
- unsigned timeout)
-{
- int ret;
-
- mutex_lock(®_mutex);
- ret = __ar7240sw_reg_wait(mii, reg, mask, val, timeout);
- mutex_unlock(®_mutex);
- return ret;
-}
-
-int ar7240sw_phy_read(struct mii_bus *bus, int phy_addr, int reg_addr)
-{
- u32 t, val = 0xffff;
- int err;
- struct ar7240sw *as = bus->priv;
- struct mii_bus *mii = as->mii_bus;
-
- if (phy_addr >= AR7240_NUM_PHYS)
- return 0xffff;
-
- mutex_lock(®_mutex);
- t = (reg_addr << AR7240_MDIO_CTRL_REG_ADDR_S) |
- (phy_addr << AR7240_MDIO_CTRL_PHY_ADDR_S) |
- AR7240_MDIO_CTRL_MASTER_EN |
- AR7240_MDIO_CTRL_BUSY |
- AR7240_MDIO_CTRL_CMD_READ;
-
- __ar7240sw_reg_write(mii, AR7240_REG_MDIO_CTRL, t);
- err = __ar7240sw_reg_wait(mii, AR7240_REG_MDIO_CTRL,
- AR7240_MDIO_CTRL_BUSY, 0, 5);
- if (!err)
- val = __ar7240sw_reg_read(mii, AR7240_REG_MDIO_CTRL);
- mutex_unlock(®_mutex);
-
- return val & AR7240_MDIO_CTRL_DATA_M;
-}
-
-int ar7240sw_phy_write(struct mii_bus *bus, int phy_addr, int reg_addr,
- u16 reg_val)
-{
- u32 t;
- int ret;
- struct ar7240sw *as = bus->priv;
- struct mii_bus *mii = as->mii_bus;
-
- if (phy_addr >= AR7240_NUM_PHYS)
- return -EINVAL;
-
- mutex_lock(®_mutex);
- t = (phy_addr << AR7240_MDIO_CTRL_PHY_ADDR_S) |
- (reg_addr << AR7240_MDIO_CTRL_REG_ADDR_S) |
- AR7240_MDIO_CTRL_MASTER_EN |
- AR7240_MDIO_CTRL_BUSY |
- AR7240_MDIO_CTRL_CMD_WRITE |
- reg_val;
-
- __ar7240sw_reg_write(mii, AR7240_REG_MDIO_CTRL, t);
- ret = __ar7240sw_reg_wait(mii, AR7240_REG_MDIO_CTRL,
- AR7240_MDIO_CTRL_BUSY, 0, 5);
- mutex_unlock(®_mutex);
-
- return ret;
-}
-
-static int ar7240sw_capture_stats(struct ar7240sw *as)
-{
- struct mii_bus *mii = as->mii_bus;
- int port;
- int ret;
-
- write_lock(&as->stats_lock);
-
- /* Capture the hardware statistics for all ports */
- ar7240sw_reg_rmw(mii, AR7240_REG_MIB_FUNCTION0,
- (AR7240_MIB_FUNC_M << AR7240_MIB_FUNC_S),
- (AR7240_MIB_FUNC_CAPTURE << AR7240_MIB_FUNC_S));
-
- /* Wait for the capturing to complete. */
- ret = ar7240sw_reg_wait(mii, AR7240_REG_MIB_FUNCTION0,
- AR7240_MIB_BUSY, 0, 10);
-
- if (ret)
- goto unlock;
-
- for (port = 0; port < AR7240_NUM_PORTS; port++) {
- unsigned int base;
- struct ar7240sw_port_stat *stats;
-
- base = AR7240_REG_STATS_BASE(port);
- stats = &as->port_stats[port];
-
-#define READ_STAT(_r) ar7240sw_reg_read(mii, base + AR7240_STATS_ ## _r)
-
- stats->rx_good_byte += READ_STAT(RXGOODBYTE);
- stats->tx_byte += READ_STAT(TXBYTE);
-
-#undef READ_STAT
- }
-
- ret = 0;
-
-unlock:
- write_unlock(&as->stats_lock);
- return ret;
-}
-
-static void ar7240sw_disable_port(struct ar7240sw *as, unsigned port)
-{
- ar7240sw_reg_write(as->mii_bus, AR7240_REG_PORT_CTRL(port),
- AR7240_PORT_CTRL_STATE_DISABLED);
-}
-
-static void ar7240sw_setup(struct ar7240sw *as)
-{
- struct mii_bus *mii = as->mii_bus;
-
- /* Enable CPU port, and disable mirror port */
- ar7240sw_reg_write(mii, AR7240_REG_CPU_PORT,
- AR7240_CPU_PORT_EN |
- (15 << AR7240_MIRROR_PORT_S));
-
- /* Setup TAG priority mapping */
- ar7240sw_reg_write(mii, AR7240_REG_TAG_PRIORITY, 0xfa50);
-
- if (sw_is_ar934x(as)) {
- /* Enable aging, MAC replacing */
- ar7240sw_reg_write(mii, AR934X_REG_AT_CTRL,
- 0x2b /* 5 min age time */ |
- AR934X_AT_CTRL_AGE_EN |
- AR934X_AT_CTRL_LEARN_CHANGE);
- /* Enable ARP frame acknowledge */
- ar7240sw_reg_set(mii, AR934X_REG_QM_CTRL,
- AR934X_QM_CTRL_ARP_EN);
- /* Enable Broadcast/Multicast frames transmitted to the CPU */
- ar7240sw_reg_set(mii, AR934X_REG_FLOOD_MASK,
- AR934X_FLOOD_MASK_BC_DP(0) |
- AR934X_FLOOD_MASK_MC_DP(0));
-
- /* setup MTU */
- ar7240sw_reg_rmw(mii, AR7240_REG_GLOBAL_CTRL,
- AR9340_GLOBAL_CTRL_MTU_M,
- AR9340_GLOBAL_CTRL_MTU_M);
-
- /* Enable MIB counters */
- ar7240sw_reg_set(mii, AR7240_REG_MIB_FUNCTION0,
- AR934X_MIB_ENABLE);
-
- } else {
- /* Enable ARP frame acknowledge, aging, MAC replacing */
- ar7240sw_reg_write(mii, AR7240_REG_AT_CTRL,
- AR7240_AT_CTRL_RESERVED |
- 0x2b /* 5 min age time */ |
- AR7240_AT_CTRL_AGE_EN |
- AR7240_AT_CTRL_ARP_EN |
- AR7240_AT_CTRL_LEARN_CHANGE);
- /* Enable Broadcast frames transmitted to the CPU */
- ar7240sw_reg_set(mii, AR7240_REG_FLOOD_MASK,
- AR7240_FLOOD_MASK_BROAD_TO_CPU);
-
- /* setup MTU */
- ar7240sw_reg_rmw(mii, AR7240_REG_GLOBAL_CTRL,
- AR7240_GLOBAL_CTRL_MTU_M,
- AR7240_GLOBAL_CTRL_MTU_M);
- }
-
- /* setup Service TAG */
- ar7240sw_reg_rmw(mii, AR7240_REG_SERVICE_TAG, AR7240_SERVICE_TAG_M, 0);
-}
-
-/* inspired by phy_poll_reset in drivers/net/phy/phy_device.c */
-static int
-ar7240sw_phy_poll_reset(struct mii_bus *bus)
-{
- const unsigned int sleep_msecs = 20;
- int ret, elapsed, i;
-
- for (elapsed = sleep_msecs; elapsed <= 600;
- elapsed += sleep_msecs) {
- msleep(sleep_msecs);
- for (i = 0; i < AR7240_NUM_PHYS; i++) {
- ret = ar7240sw_phy_read(bus, i, MII_BMCR);
- if (ret < 0)
- return ret;
- if (ret & BMCR_RESET)
- break;
- if (i == AR7240_NUM_PHYS - 1) {
- usleep_range(1000, 2000);
- return 0;
- }
- }
- }
- return -ETIMEDOUT;
-}
-
-static int ar7240sw_reset(struct ar7240sw *as)
-{
- struct mii_bus *mii = as->mii_bus;
- struct mii_bus *swmii = as->switch_mii_bus;
- int ret;
- int i;
-
- /* Set all ports to disabled state. */
- for (i = 0; i < AR7240_NUM_PORTS; i++)
- ar7240sw_disable_port(as, i);
-
- /* Wait for transmit queues to drain. */
- usleep_range(2000, 3000);
-
- /* Reset the switch. */
- ar7240sw_reg_write(mii, AR7240_REG_MASK_CTRL,
- AR7240_MASK_CTRL_SOFT_RESET);
-
- ret = ar7240sw_reg_wait(mii, AR7240_REG_MASK_CTRL,
- AR7240_MASK_CTRL_SOFT_RESET, 0, 1000);
-
- /* setup PHYs */
- for (i = 0; i < AR7240_NUM_PHYS; i++) {
- ar7240sw_phy_write(swmii, i, MII_ADVERTISE,
- ADVERTISE_ALL | ADVERTISE_PAUSE_CAP |
- ADVERTISE_PAUSE_ASYM);
- ar7240sw_phy_write(swmii, i, MII_BMCR,
- BMCR_RESET | BMCR_ANENABLE);
- }
- ret = ar7240sw_phy_poll_reset(swmii);
- if (ret)
- return ret;
-
- ar7240sw_setup(as);
- return ret;
-}
-
-static void ar7240sw_setup_port(struct ar7240sw *as, unsigned port, u8 portmask)
-{
- struct mii_bus *mii = as->mii_bus;
- u32 ctrl;
- u32 vid, mode;
-
- ctrl = AR7240_PORT_CTRL_STATE_FORWARD | AR7240_PORT_CTRL_LEARN |
- AR7240_PORT_CTRL_SINGLE_VLAN;
-
- if (port == AR7240_PORT_CPU) {
- ar7240sw_reg_write(mii, AR7240_REG_PORT_STATUS(port),
- AR7240_PORT_STATUS_SPEED_1000 |
- AR7240_PORT_STATUS_TXFLOW |
- AR7240_PORT_STATUS_RXFLOW |
- AR7240_PORT_STATUS_TXMAC |
- AR7240_PORT_STATUS_RXMAC |
- AR7240_PORT_STATUS_DUPLEX);
- } else {
- ar7240sw_reg_write(mii, AR7240_REG_PORT_STATUS(port),
- AR7240_PORT_STATUS_LINK_AUTO);
- }
-
- /* Set the default VID for this port */
- if (as->vlan) {
- vid = as->vlan_id[as->pvid[port]];
- mode = AR7240_PORT_VLAN_MODE_SECURE;
- } else {
- vid = port;
- mode = AR7240_PORT_VLAN_MODE_PORT_ONLY;
- }
-
- if (as->vlan) {
- if (as->vlan_tagged & BIT(port))
- ctrl |= AR7240_PORT_CTRL_VLAN_MODE_ADD <<
- AR7240_PORT_CTRL_VLAN_MODE_S;
- else
- ctrl |= AR7240_PORT_CTRL_VLAN_MODE_STRIP <<
- AR7240_PORT_CTRL_VLAN_MODE_S;
- } else {
- ctrl |= AR7240_PORT_CTRL_VLAN_MODE_KEEP <<
- AR7240_PORT_CTRL_VLAN_MODE_S;
- }
-
- if (!portmask) {
- if (port == AR7240_PORT_CPU)
- portmask = ar7240sw_port_mask_but(as, AR7240_PORT_CPU);
- else
- portmask = ar7240sw_port_mask(as, AR7240_PORT_CPU);
- }
-
- /* preserve mirror rx&tx flags */
- ctrl |= ar7240sw_reg_read(mii, AR7240_REG_PORT_CTRL(port)) &
- (AR7240_PORT_CTRL_MIRROR_RX | AR7240_PORT_CTRL_MIRROR_TX);
-
- /* allow the port to talk to all other ports, but exclude its
- * own ID to prevent frames from being reflected back to the
- * port that they came from */
- portmask &= ar7240sw_port_mask_but(as, port);
-
- ar7240sw_reg_write(mii, AR7240_REG_PORT_CTRL(port), ctrl);
- if (sw_is_ar934x(as)) {
- u32 vlan1, vlan2;
-
- vlan1 = (vid << AR934X_PORT_VLAN1_DEFAULT_CVID_S);
- vlan2 = (portmask << AR934X_PORT_VLAN2_PORT_VID_MEM_S) |
- (mode << AR934X_PORT_VLAN2_8021Q_MODE_S);
- ar7240sw_reg_write(mii, AR934X_REG_PORT_VLAN1(port), vlan1);
- ar7240sw_reg_write(mii, AR934X_REG_PORT_VLAN2(port), vlan2);
- } else {
- u32 vlan;
-
- vlan = vid | (mode << AR7240_PORT_VLAN_MODE_S) |
- (portmask << AR7240_PORT_VLAN_DEST_PORTS_S);
-
- ar7240sw_reg_write(mii, AR7240_REG_PORT_VLAN(port), vlan);
- }
-}
-
-static int
-ar7240_set_vid(struct switch_dev *dev, const struct switch_attr *attr,
- struct switch_val *val)
-{
- struct ar7240sw *as = sw_to_ar7240(dev);
- as->vlan_id[val->port_vlan] = val->value.i;
- return 0;
-}
-
-static int
-ar7240_get_vid(struct switch_dev *dev, const struct switch_attr *attr,
- struct switch_val *val)
-{
- struct ar7240sw *as = sw_to_ar7240(dev);
- val->value.i = as->vlan_id[val->port_vlan];
- return 0;
-}
-
-static int
-ar7240_set_pvid(struct switch_dev *dev, int port, int vlan)
-{
- struct ar7240sw *as = sw_to_ar7240(dev);
-
- /* make sure no invalid PVIDs get set */
-
- if (vlan >= dev->vlans)
- return -EINVAL;
-
- as->pvid[port] = vlan;
- return 0;
-}
-
-static int
-ar7240_get_pvid(struct switch_dev *dev, int port, int *vlan)
-{
- struct ar7240sw *as = sw_to_ar7240(dev);
- *vlan = as->pvid[port];
- return 0;
-}
-
-static int
-ar7240_get_ports(struct switch_dev *dev, struct switch_val *val)
-{
- struct ar7240sw *as = sw_to_ar7240(dev);
- u8 ports = as->vlan_table[val->port_vlan];
- int i;
-
- val->len = 0;
- for (i = 0; i < as->swdev.ports; i++) {
- struct switch_port *p;
-
- if (!(ports & (1 << i)))
- continue;
-
- p = &val->value.ports[val->len++];
- p->id = i;
- if (as->vlan_tagged & (1 << i))
- p->flags = (1 << SWITCH_PORT_FLAG_TAGGED);
- else
- p->flags = 0;
- }
- return 0;
-}
-
-static int
-ar7240_set_ports(struct switch_dev *dev, struct switch_val *val)
-{
- struct ar7240sw *as = sw_to_ar7240(dev);
- u8 *vt = &as->vlan_table[val->port_vlan];
- int i, j;
-
- *vt = 0;
- for (i = 0; i < val->len; i++) {
- struct switch_port *p = &val->value.ports[i];
-
- if (p->flags & (1 << SWITCH_PORT_FLAG_TAGGED))
- as->vlan_tagged |= (1 << p->id);
- else {
- as->vlan_tagged &= ~(1 << p->id);
- as->pvid[p->id] = val->port_vlan;
-
- /* make sure that an untagged port does not
- * appear in other vlans */
- for (j = 0; j < AR7240_MAX_VLANS; j++) {
- if (j == val->port_vlan)
- continue;
- as->vlan_table[j] &= ~(1 << p->id);
- }
- }
-
- *vt |= 1 << p->id;
- }
- return 0;
-}
-
-static int
-ar7240_set_vlan(struct switch_dev *dev, const struct switch_attr *attr,
- struct switch_val *val)
-{
- struct ar7240sw *as = sw_to_ar7240(dev);
- as->vlan = !!val->value.i;
- return 0;
-}
-
-static int
-ar7240_get_vlan(struct switch_dev *dev, const struct switch_attr *attr,
- struct switch_val *val)
-{
- struct ar7240sw *as = sw_to_ar7240(dev);
- val->value.i = as->vlan;
- return 0;
-}
-
-static void
-ar7240_vtu_op(struct ar7240sw *as, u32 op, u32 val)
-{
- struct mii_bus *mii = as->mii_bus;
-
- if (ar7240sw_reg_wait(mii, AR7240_REG_VTU, AR7240_VTU_ACTIVE, 0, 5))
- return;
-
- if ((op & AR7240_VTU_OP) == AR7240_VTU_OP_LOAD) {
- val &= AR7240_VTUDATA_MEMBER;
- val |= AR7240_VTUDATA_VALID;
- ar7240sw_reg_write(mii, AR7240_REG_VTU_DATA, val);
- }
- op |= AR7240_VTU_ACTIVE;
- ar7240sw_reg_write(mii, AR7240_REG_VTU, op);
-}
-
-static int
-ar7240_hw_apply(struct switch_dev *dev)
-{
- struct ar7240sw *as = sw_to_ar7240(dev);
- u8 portmask[AR7240_NUM_PORTS];
- int i, j;
-
- /* flush all vlan translation unit entries */
- ar7240_vtu_op(as, AR7240_VTU_OP_FLUSH, 0);
-
- memset(portmask, 0, sizeof(portmask));
- if (as->vlan) {
- /* calculate the port destination masks and load vlans
- * into the vlan translation unit */
- for (j = 0; j < AR7240_MAX_VLANS; j++) {
- u8 vp = as->vlan_table[j];
-
- if (!vp)
- continue;
-
- for (i = 0; i < as->swdev.ports; i++) {
- u8 mask = (1 << i);
- if (vp & mask)
- portmask[i] |= vp & ~mask;
- }
-
- ar7240_vtu_op(as,
- AR7240_VTU_OP_LOAD |
- (as->vlan_id[j] << AR7240_VTU_VID_S),
- as->vlan_table[j]);
- }
- } else {
- /* vlan disabled:
- * isolate all ports, but connect them to the cpu port */
- for (i = 0; i < as->swdev.ports; i++) {
- if (i == AR7240_PORT_CPU)
- continue;
-
- portmask[i] = 1 << AR7240_PORT_CPU;
- portmask[AR7240_PORT_CPU] |= (1 << i);
- }
- }
-
- /* update the port destination mask registers and tag settings */
- for (i = 0; i < as->swdev.ports; i++)
- ar7240sw_setup_port(as, i, portmask[i]);
-
- return 0;
-}
-
-static int
-ar7240_reset_switch(struct switch_dev *dev)
-{
- struct ar7240sw *as = sw_to_ar7240(dev);
- ar7240sw_reset(as);
- return 0;
-}
-
-static int
-ar7240_get_port_link(struct switch_dev *dev, int port,
- struct switch_port_link *link)
-{
- struct ar7240sw *as = sw_to_ar7240(dev);
- struct mii_bus *mii = as->mii_bus;
- u32 status;
-
- if (port >= AR7240_NUM_PORTS)
- return -EINVAL;
-
- status = ar7240sw_reg_read(mii, AR7240_REG_PORT_STATUS(port));
- link->aneg = !!(status & AR7240_PORT_STATUS_LINK_AUTO);
- if (link->aneg) {
- link->link = !!(status & AR7240_PORT_STATUS_LINK_UP);
- if (!link->link)
- return 0;
- } else {
- link->link = true;
- }
-
- link->duplex = !!(status & AR7240_PORT_STATUS_DUPLEX);
- link->tx_flow = !!(status & AR7240_PORT_STATUS_TXFLOW);
- link->rx_flow = !!(status & AR7240_PORT_STATUS_RXFLOW);
- switch (status & AR7240_PORT_STATUS_SPEED_M) {
- case AR7240_PORT_STATUS_SPEED_10:
- link->speed = SWITCH_PORT_SPEED_10;
- break;
- case AR7240_PORT_STATUS_SPEED_100:
- link->speed = SWITCH_PORT_SPEED_100;
- break;
- case AR7240_PORT_STATUS_SPEED_1000:
- link->speed = SWITCH_PORT_SPEED_1000;
- break;
- }
-
- return 0;
-}
-
-static int
-ar7240_get_port_stats(struct switch_dev *dev, int port,
- struct switch_port_stats *stats)
-{
- struct ar7240sw *as = sw_to_ar7240(dev);
-
- if (port >= AR7240_NUM_PORTS)
- return -EINVAL;
-
- ar7240sw_capture_stats(as);
-
- read_lock(&as->stats_lock);
- stats->rx_bytes = as->port_stats[port].rx_good_byte;
- stats->tx_bytes = as->port_stats[port].tx_byte;
- read_unlock(&as->stats_lock);
-
- return 0;
-}
-
-static int
-ar7240_set_mirror_monitor_port(struct switch_dev *dev,
- const struct switch_attr *attr,
- struct switch_val *val)
-{
- struct ar7240sw *as = sw_to_ar7240(dev);
- struct mii_bus *mii = as->mii_bus;
-
- int port = val->value.i;
-
- if (port > 15)
- return -EINVAL;
-
- ar7240sw_reg_rmw(mii, AR7240_REG_CPU_PORT,
- AR7240_MIRROR_PORT_M << AR7240_MIRROR_PORT_S,
- port << AR7240_MIRROR_PORT_S);
-
- return 0;
-}
-
-static int
-ar7240_get_mirror_monitor_port(struct switch_dev *dev,
- const struct switch_attr *attr,
- struct switch_val *val)
-{
- struct ar7240sw *as = sw_to_ar7240(dev);
- struct mii_bus *mii = as->mii_bus;
-
- u32 ret;
-
- ret = ar7240sw_reg_read(mii, AR7240_REG_CPU_PORT);
- val->value.i = (ret >> AR7240_MIRROR_PORT_S) & AR7240_MIRROR_PORT_M;
-
- return 0;
-}
-
-static int
-ar7240_set_mirror_rx(struct switch_dev *dev, const struct switch_attr *attr,
- struct switch_val *val)
-{
- struct ar7240sw *as = sw_to_ar7240(dev);
- struct mii_bus *mii = as->mii_bus;
-
- int port = val->port_vlan;
-
- if (port >= dev->ports)
- return -EINVAL;
-
- if (val && val->value.i == 1)
- ar7240sw_reg_set(mii, AR7240_REG_PORT_CTRL(port),
- AR7240_PORT_CTRL_MIRROR_RX);
- else
- ar7240sw_reg_rmw(mii, AR7240_REG_PORT_CTRL(port),
- AR7240_PORT_CTRL_MIRROR_RX, 0);
-
- return 0;
-}
-
-static int
-ar7240_get_mirror_rx(struct switch_dev *dev, const struct switch_attr *attr,
- struct switch_val *val)
-{
- struct ar7240sw *as = sw_to_ar7240(dev);
- struct mii_bus *mii = as->mii_bus;
-
- u32 ctrl;
-
- int port = val->port_vlan;
-
- if (port >= dev->ports)
- return -EINVAL;
-
- ctrl = ar7240sw_reg_read(mii, AR7240_REG_PORT_CTRL(port));
-
- if ((ctrl & AR7240_PORT_CTRL_MIRROR_RX) == AR7240_PORT_CTRL_MIRROR_RX)
- val->value.i = 1;
- else
- val->value.i = 0;
-
- return 0;
-}
-
-static int
-ar7240_set_mirror_tx(struct switch_dev *dev, const struct switch_attr *attr,
- struct switch_val *val)
-{
- struct ar7240sw *as = sw_to_ar7240(dev);
- struct mii_bus *mii = as->mii_bus;
-
- int port = val->port_vlan;
-
- if (port >= dev->ports)
- return -EINVAL;
-
- if (val && val->value.i == 1)
- ar7240sw_reg_set(mii, AR7240_REG_PORT_CTRL(port),
- AR7240_PORT_CTRL_MIRROR_TX);
- else
- ar7240sw_reg_rmw(mii, AR7240_REG_PORT_CTRL(port),
- AR7240_PORT_CTRL_MIRROR_TX, 0);
-
- return 0;
-}
-
-static int
-ar7240_get_mirror_tx(struct switch_dev *dev, const struct switch_attr *attr,
- struct switch_val *val)
-{
- struct ar7240sw *as = sw_to_ar7240(dev);
- struct mii_bus *mii = as->mii_bus;
-
- u32 ctrl;
-
- int port = val->port_vlan;
-
- if (port >= dev->ports)
- return -EINVAL;
-
- ctrl = ar7240sw_reg_read(mii, AR7240_REG_PORT_CTRL(port));
-
- if ((ctrl & AR7240_PORT_CTRL_MIRROR_TX) == AR7240_PORT_CTRL_MIRROR_TX)
- val->value.i = 1;
- else
- val->value.i = 0;
-
- return 0;
-}
-
-static struct switch_attr ar7240_globals[] = {
- {
- .type = SWITCH_TYPE_INT,
- .name = "enable_vlan",
- .description = "Enable VLAN mode",
- .set = ar7240_set_vlan,
- .get = ar7240_get_vlan,
- .max = 1
- },
- {
- .type = SWITCH_TYPE_INT,
- .name = "mirror_monitor_port",
- .description = "Mirror monitor port",
- .set = ar7240_set_mirror_monitor_port,
- .get = ar7240_get_mirror_monitor_port,
- .max = 15
- },
-};
-
-static struct switch_attr ar7240_port[] = {
- {
- .type = SWITCH_TYPE_INT,
- .name = "enable_mirror_rx",
- .description = "Enable mirroring of RX packets",
- .set = ar7240_set_mirror_rx,
- .get = ar7240_get_mirror_rx,
- .max = 1
- },
- {
- .type = SWITCH_TYPE_INT,
- .name = "enable_mirror_tx",
- .description = "Enable mirroring of TX packets",
- .set = ar7240_set_mirror_tx,
- .get = ar7240_get_mirror_tx,
- .max = 1
- },
-};
-
-static struct switch_attr ar7240_vlan[] = {
- {
- .type = SWITCH_TYPE_INT,
- .name = "vid",
- .description = "VLAN ID",
- .set = ar7240_set_vid,
- .get = ar7240_get_vid,
- .max = 4094,
- },
-};
-
-static const struct switch_dev_ops ar7240_ops = {
- .attr_global = {
- .attr = ar7240_globals,
- .n_attr = ARRAY_SIZE(ar7240_globals),
- },
- .attr_port = {
- .attr = ar7240_port,
- .n_attr = ARRAY_SIZE(ar7240_port),
- },
- .attr_vlan = {
- .attr = ar7240_vlan,
- .n_attr = ARRAY_SIZE(ar7240_vlan),
- },
- .get_port_pvid = ar7240_get_pvid,
- .set_port_pvid = ar7240_set_pvid,
- .get_vlan_ports = ar7240_get_ports,
- .set_vlan_ports = ar7240_set_ports,
- .apply_config = ar7240_hw_apply,
- .reset_switch = ar7240_reset_switch,
- .get_port_link = ar7240_get_port_link,
- .get_port_stats = ar7240_get_port_stats,
-};
-
-static int
-ag71xx_ar7240_probe(struct mdio_device *mdiodev)
-{
- struct mii_bus *mii = mdiodev->bus;
- struct ar7240sw *as;
- struct switch_dev *swdev;
- struct reset_control *switch_reset;
- u32 ctrl;
- int phy_if_mode, err, i;
-
- as = devm_kzalloc(&mdiodev->dev, sizeof(*as), GFP_KERNEL);
- if (!as)
- return -ENOMEM;
-
- as->mii_bus = mii;
- as->of_node = mdiodev->dev.of_node;
- as->mdio_node = of_get_child_by_name(as->of_node, "mdio-bus");
-
- swdev = &as->swdev;
-
- switch_reset = devm_reset_control_get_optional(&mdiodev->dev, "switch");
- if (switch_reset) {
- reset_control_assert(switch_reset);
- msleep(50);
- reset_control_deassert(switch_reset);
- msleep(200);
- }
-
- ctrl = ar7240sw_reg_read(mii, AR7240_REG_MASK_CTRL);
- as->ver = (ctrl >> AR7240_MASK_CTRL_VERSION_S) &
- AR7240_MASK_CTRL_VERSION_M;
-
- if (sw_is_ar7240(as)) {
- swdev->name = "AR7240/AR9330 built-in switch";
- swdev->ports = AR7240_NUM_PORTS - 1;
- } else if (sw_is_ar934x(as)) {
- swdev->name = "AR934X built-in switch";
- phy_if_mode = of_get_phy_mode(as->of_node);
-
- if (phy_if_mode == PHY_INTERFACE_MODE_GMII) {
- ar7240sw_reg_set(mii, AR934X_REG_OPER_MODE0,
- AR934X_OPER_MODE0_MAC_GMII_EN);
- } else if (phy_if_mode == PHY_INTERFACE_MODE_MII) {
- ar7240sw_reg_set(mii, AR934X_REG_OPER_MODE0,
- AR934X_OPER_MODE0_PHY_MII_EN);
- } else {
- pr_err("%s: invalid PHY interface mode\n",
- dev_name(&mdiodev->dev));
- return -EINVAL;
- }
-
- if (of_property_read_bool(as->of_node, "phy4-mii-enable")) {
- ar7240sw_reg_set(mii, AR934X_REG_OPER_MODE1,
- AR934X_REG_OPER_MODE1_PHY4_MII_EN);
- swdev->ports = AR7240_NUM_PORTS - 1;
- } else {
- swdev->ports = AR7240_NUM_PORTS;
- }
- } else {
- pr_err("%s: unsupported chip, ctrl=%08x\n",
- dev_name(&mdiodev->dev), ctrl);
- return -EINVAL;
- }
-
- swdev->cpu_port = AR7240_PORT_CPU;
- swdev->vlans = AR7240_MAX_VLANS;
- swdev->ops = &ar7240_ops;
- swdev->alias = dev_name(&mdiodev->dev);
-
- if ((err = register_switch(&as->swdev, NULL)) < 0)
- return err;
-
- pr_info("%s: Found an %s\n", dev_name(&mdiodev->dev), swdev->name);
-
- as->switch_mii_bus = devm_mdiobus_alloc(&mdiodev->dev);
- as->switch_mii_bus->name = "ar7240sw_mdio";
- as->switch_mii_bus->read = ar7240sw_phy_read;
- as->switch_mii_bus->write = ar7240sw_phy_write;
- as->switch_mii_bus->priv = as;
- as->switch_mii_bus->parent = &mdiodev->dev;
- snprintf(as->switch_mii_bus->id, MII_BUS_ID_SIZE, "%s", dev_name(&mdiodev->dev));
-
- if(as->mdio_node) {
- err = of_mdiobus_register(as->switch_mii_bus, as->mdio_node);
- if (err)
- return err;
- }
-
- /* initialize defaults */
- for (i = 0; i < AR7240_MAX_VLANS; i++)
- as->vlan_id[i] = i;
-
- as->vlan_table[0] = ar7240sw_port_mask_all(as);
- ar7240sw_reset(as);
- ar7240_hw_apply(&as->swdev);
- rwlock_init(&as->stats_lock);
- dev_set_drvdata(&mdiodev->dev, as);
- return 0;
-}
-
-static void
-ag71xx_ar7240_remove(struct mdio_device *mdiodev)
-{
- struct ar7240sw *as = dev_get_drvdata(&mdiodev->dev);
- if(as->mdio_node)
- mdiobus_unregister(as->switch_mii_bus);
- unregister_switch(&as->swdev);
-}
-
-static const struct of_device_id ag71xx_sw_of_match[] = {
- { .compatible = "qca,ar8216-builtin" },
- { .compatible = "qca,ar8229-builtin" },
- { /* sentinel */ },
-};
-
-static struct mdio_driver ag71xx_sw_driver = {
- .probe = ag71xx_ar7240_probe,
- .remove = ag71xx_ar7240_remove,
- .mdiodrv.driver = {
- .name = "ag71xx-switch",
- .of_match_table = ag71xx_sw_of_match,
- },
-};
-
-mdio_module_driver(ag71xx_sw_driver);
-MODULE_LICENSE("GPL");
projects / openwrt / staging / stintel.git / commitdiff