net: add altera triple speeds ethernet mac driver
authorThomas Chou <thomas@wytron.com.tw>
Tue, 20 Apr 2010 04:49:52 +0000 (12:49 +0800)
committerBen Warren <biggerbadderben@gmail.com>
Mon, 3 May 2010 21:52:49 +0000 (14:52 -0700)
This driver supports the Altera triple speeds 10/100/1000 ethernet
mac.

Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
drivers/net/Makefile
drivers/net/altera_tse.c [new file with mode: 0644]
drivers/net/altera_tse.h [new file with mode: 0644]
include/netdev.h

index 0e68e521b050555527d685a239a25ddd9595dde7..b75c02f8c230d0247d713c5a842fbb2c121d0eb7 100644 (file)
@@ -27,6 +27,7 @@ LIB   := $(obj)libnet.a
 
 COBJS-$(CONFIG_DRIVER_3C589) += 3c589.o
 COBJS-$(CONFIG_PPC4xx_EMAC) += 4xx_enet.o
+COBJS-$(CONFIG_ALTERA_TSE) += altera_tse.o
 COBJS-$(CONFIG_DRIVER_AT91EMAC) += at91_emac.o
 COBJS-$(CONFIG_DRIVER_AX88180) += ax88180.o
 COBJS-$(CONFIG_BCM570x) += bcm570x.o bcm570x_autoneg.o 5701rls.o
diff --git a/drivers/net/altera_tse.c b/drivers/net/altera_tse.c
new file mode 100644 (file)
index 0000000..5927904
--- /dev/null
@@ -0,0 +1,935 @@
+/*
+ * Altera 10/100/1000 triple speed ethernet mac driver
+ *
+ * Copyright (C) 2008 Altera Corporation.
+ * Copyright (C) 2010 Thomas Chou <thomas@wytron.com.tw>
+ *
+ * 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 <config.h>
+#include <common.h>
+#include <malloc.h>
+#include <net.h>
+#include <command.h>
+#include <asm/cache.h>
+#include <asm/dma-mapping.h>
+#include <miiphy.h>
+#include "altera_tse.h"
+
+/* sgdma debug - print descriptor */
+static void alt_sgdma_print_desc(volatile struct alt_sgdma_descriptor *desc)
+{
+       debug("SGDMA DEBUG :\n");
+       debug("desc->source : 0x%x \n", (unsigned int)desc->source);
+       debug("desc->destination : 0x%x \n", (unsigned int)desc->destination);
+       debug("desc->next : 0x%x \n", (unsigned int)desc->next);
+       debug("desc->source_pad : 0x%x \n", (unsigned int)desc->source_pad);
+       debug("desc->destination_pad : 0x%x \n",
+             (unsigned int)desc->destination_pad);
+       debug("desc->next_pad : 0x%x \n", (unsigned int)desc->next_pad);
+       debug("desc->bytes_to_transfer : 0x%x \n",
+             (unsigned int)desc->bytes_to_transfer);
+       debug("desc->actual_bytes_transferred : 0x%x \n",
+             (unsigned int)desc->actual_bytes_transferred);
+       debug("desc->descriptor_status : 0x%x \n",
+             (unsigned int)desc->descriptor_status);
+       debug("desc->descriptor_control : 0x%x \n",
+             (unsigned int)desc->descriptor_control);
+}
+
+/* This is a generic routine that the SGDMA mode-specific routines
+ * call to populate a descriptor.
+ * arg1            :pointer to first SGDMA descriptor.
+ * arg2            :pointer to next  SGDMA descriptor.
+ * arg3            :Address to where data to be written.
+ * arg4            :Address from where data to be read.
+ * arg5            :no of byte to transaction.
+ * arg6            :variable indicating to generate start of packet or not
+ * arg7            :read fixed
+ * arg8            :write fixed
+ * arg9            :read burst
+ * arg10    :write burst
+ * arg11    :atlantic_channel number
+ */
+static void alt_sgdma_construct_descriptor_burst(
+       volatile struct alt_sgdma_descriptor *desc,
+       volatile struct alt_sgdma_descriptor *next,
+       unsigned int *read_addr,
+       unsigned int *write_addr,
+       unsigned short length_or_eop,
+       int generate_eop,
+       int read_fixed,
+       int write_fixed_or_sop,
+       int read_burst,
+       int write_burst,
+       unsigned char atlantic_channel)
+{
+       /*
+        * Mark the "next" descriptor as "not" owned by hardware. This prevents
+        * The SGDMA controller from continuing to process the chain. This is
+        * done as a single IO write to bypass cache, without flushing
+        * the entire descriptor, since only the 8-bit descriptor status must
+        * be flushed.
+        */
+       if (!next)
+               debug("Next descriptor not defined!!\n");
+
+       next->descriptor_control = (next->descriptor_control &
+               ~ALT_SGDMA_DESCRIPTOR_CONTROL_OWNED_BY_HW_MSK);
+
+       desc->source = (unsigned int *)((unsigned int)read_addr & 0x1FFFFFFF);
+       desc->destination =
+           (unsigned int *)((unsigned int)write_addr & 0x1FFFFFFF);
+       desc->next = (unsigned int *)((unsigned int)next & 0x1FFFFFFF);
+       desc->source_pad = 0x0;
+       desc->destination_pad = 0x0;
+       desc->next_pad = 0x0;
+       desc->bytes_to_transfer = length_or_eop;
+       desc->actual_bytes_transferred = 0;
+       desc->descriptor_status = 0x0;
+
+       /* SGDMA burst not currently supported */
+       desc->read_burst = 0;
+       desc->write_burst = 0;
+
+       /*
+        * Set the descriptor control block as follows:
+        * - Set "owned by hardware" bit
+        * - Optionally set "generate EOP" bit
+        * - Optionally set the "read from fixed address" bit
+        * - Optionally set the "write to fixed address bit (which serves
+        *   serves as a "generate SOP" control bit in memory-to-stream mode).
+        * - Set the 4-bit atlantic channel, if specified
+        *
+        * Note this step is performed after all other descriptor information
+        * has been filled out so that, if the controller already happens to be
+        * pointing at this descriptor, it will not run (via the "owned by
+        * hardware" bit) until all other descriptor has been set up.
+        */
+
+       desc->descriptor_control =
+           ((ALT_SGDMA_DESCRIPTOR_CONTROL_OWNED_BY_HW_MSK) |
+            (generate_eop ?
+             ALT_SGDMA_DESCRIPTOR_CONTROL_GENERATE_EOP_MSK : 0x0) |
+            (read_fixed ?
+             ALT_SGDMA_DESCRIPTOR_CONTROL_READ_FIXED_ADDRESS_MSK : 0x0) |
+            (write_fixed_or_sop ?
+             ALT_SGDMA_DESCRIPTOR_CONTROL_WRITE_FIXED_ADDRESS_MSK : 0x0) |
+            (atlantic_channel ? ((atlantic_channel & 0x0F) << 3) : 0)
+                   );
+}
+
+static int alt_sgdma_do_sync_transfer(volatile struct alt_sgdma_registers *dev,
+                              volatile struct alt_sgdma_descriptor *desc)
+{
+       unsigned int status;
+       int counter = 0;
+
+       /* Wait for any pending transfers to complete */
+       alt_sgdma_print_desc(desc);
+       status = dev->status;
+
+       counter = 0;
+       while (dev->status & ALT_SGDMA_STATUS_BUSY_MSK) {
+               if (counter++ > ALT_TSE_SGDMA_BUSY_WATCHDOG_CNTR)
+                       break;
+       }
+
+       if (counter >= ALT_TSE_SGDMA_BUSY_WATCHDOG_CNTR)
+               debug("Timeout waiting sgdma in do sync!\n");
+
+       /*
+        * Clear any (previous) status register information
+        * that might occlude our error checking later.
+        */
+       dev->status = 0xFF;
+
+       /* Point the controller at the descriptor */
+       dev->next_descriptor_pointer = (unsigned int)desc & 0x1FFFFFFF;
+       debug("next desc in sgdma 0x%x\n",
+             (unsigned int)dev->next_descriptor_pointer);
+
+       /*
+        * Set up SGDMA controller to:
+        * - Disable interrupt generation
+        * - Run once a valid descriptor is written to controller
+        * - Stop on an error with any particular descriptor
+        */
+       dev->control = (ALT_SGDMA_CONTROL_RUN_MSK |
+                       ALT_SGDMA_CONTROL_STOP_DMA_ER_MSK);
+
+       /* Wait for the descriptor (chain) to complete */
+       status = dev->status;
+       debug("wait for sgdma....");
+       while (dev->status & ALT_SGDMA_STATUS_BUSY_MSK)
+               ;
+       debug("done\n");
+
+       /* Clear Run */
+       dev->control = (dev->control & (~ALT_SGDMA_CONTROL_RUN_MSK));
+
+       /* Get & clear status register contents */
+       status = dev->status;
+       dev->status = 0xFF;
+
+       /* we really should check if the transfer completes properly */
+       debug("tx sgdma status = 0x%x", status);
+       return 0;
+}
+
+static int alt_sgdma_do_async_transfer(volatile struct alt_sgdma_registers *dev,
+                               volatile struct alt_sgdma_descriptor *desc)
+{
+       unsigned int status;
+       int counter = 0;
+
+       /* Wait for any pending transfers to complete */
+       alt_sgdma_print_desc(desc);
+       status = dev->status;
+
+       counter = 0;
+       while (dev->status & ALT_SGDMA_STATUS_BUSY_MSK) {
+               if (counter++ > ALT_TSE_SGDMA_BUSY_WATCHDOG_CNTR)
+                       break;
+       }
+
+       if (counter >= ALT_TSE_SGDMA_BUSY_WATCHDOG_CNTR)
+               debug("Timeout waiting sgdma in do async!\n");
+
+       /*
+        * Clear any (previous) status register information
+        * that might occlude our error checking later.
+        */
+       dev->status = 0xFF;
+
+       /* Point the controller at the descriptor */
+       dev->next_descriptor_pointer = (unsigned int)desc & 0x1FFFFFFF;
+
+       /*
+        * Set up SGDMA controller to:
+        * - Disable interrupt generation
+        * - Run once a valid descriptor is written to controller
+        * - Stop on an error with any particular descriptor
+        */
+       dev->control = (ALT_SGDMA_CONTROL_RUN_MSK |
+                       ALT_SGDMA_CONTROL_STOP_DMA_ER_MSK);
+
+       /* we really should check if the transfer completes properly */
+       return 0;
+}
+
+/* u-boot interface */
+static int tse_adjust_link(struct altera_tse_priv *priv)
+{
+       unsigned int refvar;
+
+       refvar = priv->mac_dev->command_config.image;
+
+       if (!(priv->duplexity))
+               refvar |= ALTERA_TSE_CMD_HD_ENA_MSK;
+       else
+               refvar &= ~ALTERA_TSE_CMD_HD_ENA_MSK;
+
+       switch (priv->speed) {
+       case 1000:
+               refvar |= ALTERA_TSE_CMD_ETH_SPEED_MSK;
+               refvar &= ~ALTERA_TSE_CMD_ENA_10_MSK;
+               break;
+       case 100:
+               refvar &= ~ALTERA_TSE_CMD_ETH_SPEED_MSK;
+               refvar &= ~ALTERA_TSE_CMD_ENA_10_MSK;
+               break;
+       case 10:
+               refvar &= ~ALTERA_TSE_CMD_ETH_SPEED_MSK;
+               refvar |= ALTERA_TSE_CMD_ENA_10_MSK;
+               break;
+       }
+       priv->mac_dev->command_config.image = refvar;
+
+       return 0;
+}
+
+static int tse_eth_send(struct eth_device *dev,
+                       volatile void *packet, int length)
+{
+       struct altera_tse_priv *priv = dev->priv;
+       volatile struct alt_sgdma_registers *tx_sgdma = priv->sgdma_tx;
+       volatile struct alt_sgdma_descriptor *tx_desc =
+           (volatile struct alt_sgdma_descriptor *)priv->tx_desc;
+
+       volatile struct alt_sgdma_descriptor *tx_desc_cur =
+           (volatile struct alt_sgdma_descriptor *)&tx_desc[0];
+
+       flush_dcache((unsigned long)packet, length);
+       alt_sgdma_construct_descriptor_burst(
+               (volatile struct alt_sgdma_descriptor *)&tx_desc[0],
+               (volatile struct alt_sgdma_descriptor *)&tx_desc[1],
+               (unsigned int *)packet, /* read addr */
+               (unsigned int *)0,
+               length, /* length or EOP ,will change for each tx */
+               0x1,    /* gen eop */
+               0x0,    /* read fixed */
+               0x1,    /* write fixed or sop */
+               0x0,    /* read burst */
+               0x0,    /* write burst */
+               0x0     /* channel */
+               );
+       debug("TX Packet @ 0x%x,0x%x bytes", (unsigned int)packet, length);
+
+       /* send the packet */
+       debug("sending packet\n");
+       alt_sgdma_do_sync_transfer(tx_sgdma, tx_desc_cur);
+       debug("sent %d bytes\n", tx_desc_cur->actual_bytes_transferred);
+       return tx_desc_cur->actual_bytes_transferred;
+}
+
+static int tse_eth_rx(struct eth_device *dev)
+{
+       int packet_length = 0;
+       struct altera_tse_priv *priv = dev->priv;
+       volatile struct alt_sgdma_descriptor *rx_desc =
+           (volatile struct alt_sgdma_descriptor *)priv->rx_desc;
+       volatile struct alt_sgdma_descriptor *rx_desc_cur = &rx_desc[0];
+
+       if (rx_desc_cur->descriptor_status &
+           ALT_SGDMA_DESCRIPTOR_STATUS_TERMINATED_BY_EOP_MSK) {
+               debug("got packet\n");
+               packet_length = rx_desc->actual_bytes_transferred;
+               NetReceive(NetRxPackets[0], packet_length);
+
+               /* start descriptor again */
+               flush_dcache((unsigned long)(NetRxPackets[0]), PKTSIZE_ALIGN);
+               alt_sgdma_construct_descriptor_burst(
+                       (volatile struct alt_sgdma_descriptor *)&rx_desc[0],
+                       (volatile struct alt_sgdma_descriptor *)&rx_desc[1],
+                       (unsigned int)0x0,      /* read addr */
+                       (unsigned int *)NetRxPackets[0],
+                       0x0,    /* length or EOP */
+                       0x0,    /* gen eop */
+                       0x0,    /* read fixed */
+                       0x0,    /* write fixed or sop */
+                       0x0,    /* read burst */
+                       0x0,    /* write burst */
+                       0x0     /* channel */
+                   );
+
+               /* setup the sgdma */
+               alt_sgdma_do_async_transfer(priv->sgdma_rx, &rx_desc[0]);
+       }
+
+       return -1;
+}
+
+static void tse_eth_halt(struct eth_device *dev)
+{
+       /* don't do anything! */
+       /* this gets called after each uboot  */
+       /* network command.  don't need to reset the thing all of the time */
+}
+
+static void tse_eth_reset(struct eth_device *dev)
+{
+       /* stop sgdmas, disable tse receive */
+       struct altera_tse_priv *priv = dev->priv;
+       volatile struct alt_tse_mac *mac_dev = priv->mac_dev;
+       volatile struct alt_sgdma_registers *rx_sgdma = priv->sgdma_rx;
+       volatile struct alt_sgdma_registers *tx_sgdma = priv->sgdma_tx;
+       int counter;
+       volatile struct alt_sgdma_descriptor *rx_desc =
+           (volatile struct alt_sgdma_descriptor *)&priv->rx_desc[0];
+
+       /* clear rx desc & wait for sgdma to complete */
+       rx_desc->descriptor_control = 0;
+       rx_sgdma->control = 0;
+       counter = 0;
+       while (rx_sgdma->status & ALT_SGDMA_STATUS_BUSY_MSK) {
+               if (counter++ > ALT_TSE_SGDMA_BUSY_WATCHDOG_CNTR)
+                       break;
+       }
+
+       if (counter >= ALT_TSE_SGDMA_BUSY_WATCHDOG_CNTR) {
+               debug("Timeout waiting for rx sgdma!\n");
+               rx_sgdma->control &= ALT_SGDMA_CONTROL_SOFTWARERESET_MSK;
+               rx_sgdma->control &= ALT_SGDMA_CONTROL_SOFTWARERESET_MSK;
+       }
+
+       counter = 0;
+       tx_sgdma->control = 0;
+       while (tx_sgdma->status & ALT_SGDMA_STATUS_BUSY_MSK) {
+               if (counter++ > ALT_TSE_SGDMA_BUSY_WATCHDOG_CNTR)
+                       break;
+       }
+
+       if (counter >= ALT_TSE_SGDMA_BUSY_WATCHDOG_CNTR) {
+               debug("Timeout waiting for tx sgdma!\n");
+               tx_sgdma->control &= ALT_SGDMA_CONTROL_SOFTWARERESET_MSK;
+               tx_sgdma->control &= ALT_SGDMA_CONTROL_SOFTWARERESET_MSK;
+       }
+       /* reset the mac */
+       mac_dev->command_config.bits.transmit_enable = 1;
+       mac_dev->command_config.bits.receive_enable = 1;
+       mac_dev->command_config.bits.software_reset = 1;
+
+       counter = 0;
+       while (mac_dev->command_config.bits.software_reset) {
+               if (counter++ > ALT_TSE_SW_RESET_WATCHDOG_CNTR)
+                       break;
+       }
+
+       if (counter >= ALT_TSE_SW_RESET_WATCHDOG_CNTR)
+               debug("TSEMAC SW reset bit never cleared!\n");
+}
+
+static int tse_mdio_read(struct altera_tse_priv *priv, unsigned int regnum)
+{
+       volatile struct alt_tse_mac *mac_dev;
+       unsigned int *mdio_regs;
+       unsigned int data;
+       u16 value;
+
+       mac_dev = priv->mac_dev;
+
+       /* set mdio address */
+       mac_dev->mdio_phy1_addr = priv->phyaddr;
+       mdio_regs = (unsigned int *)&mac_dev->mdio_phy1;
+
+       /* get the data */
+       data = mdio_regs[regnum];
+
+       value = data & 0xffff;
+
+       return value;
+}
+
+static int tse_mdio_write(struct altera_tse_priv *priv, unsigned int regnum,
+                  unsigned int value)
+{
+       volatile struct alt_tse_mac *mac_dev;
+       unsigned int *mdio_regs;
+       unsigned int data;
+
+       mac_dev = priv->mac_dev;
+
+       /* set mdio address */
+       mac_dev->mdio_phy1_addr = priv->phyaddr;
+       mdio_regs = (unsigned int *)&mac_dev->mdio_phy1;
+
+       /* get the data */
+       data = (unsigned int)value;
+
+       mdio_regs[regnum] = data;
+
+       return 0;
+}
+
+/* MDIO access to phy */
+#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) && !defined(BITBANGMII)
+static int altera_tse_miiphy_write(char *devname, unsigned char addr,
+                                  unsigned char reg, unsigned short value)
+{
+       struct eth_device *dev;
+       struct altera_tse_priv *priv;
+       dev = eth_get_dev_by_name(devname);
+       priv = dev->priv;
+
+       tse_mdio_write(priv, (uint) reg, (uint) value);
+
+       return 0;
+}
+
+static int altera_tse_miiphy_read(char *devname, unsigned char addr,
+                                 unsigned char reg, unsigned short *value)
+{
+       struct eth_device *dev;
+       struct altera_tse_priv *priv;
+       volatile struct alt_tse_mac *mac_dev;
+       unsigned int *mdio_regs;
+
+       dev = eth_get_dev_by_name(devname);
+       priv = dev->priv;
+
+       mac_dev = priv->mac_dev;
+       mac_dev->mdio_phy1_addr = (int)addr;
+       mdio_regs = (unsigned int *)&mac_dev->mdio_phy1;
+
+       *value = 0xffff & mdio_regs[reg];
+
+       return 0;
+
+}
+#endif
+
+/*
+ * Also copied from tsec.c
+ */
+/* Parse the status register for link, and then do
+ * auto-negotiation
+ */
+static uint mii_parse_sr(uint mii_reg, struct altera_tse_priv *priv)
+{
+       /*
+        * Wait if the link is up, and autonegotiation is in progress
+        * (ie - we're capable and it's not done)
+        */
+       mii_reg = tse_mdio_read(priv, MIIM_STATUS);
+
+       if (!(mii_reg & MIIM_STATUS_LINK) && (mii_reg & PHY_BMSR_AUTN_ABLE)
+           && !(mii_reg & PHY_BMSR_AUTN_COMP)) {
+               int i = 0;
+
+               puts("Waiting for PHY auto negotiation to complete");
+               while (!(mii_reg & PHY_BMSR_AUTN_COMP)) {
+                       /*
+                        * Timeout reached ?
+                        */
+                       if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
+                               puts(" TIMEOUT !\n");
+                               priv->link = 0;
+                               return 0;
+                       }
+
+                       if ((i++ % 1000) == 0)
+                               putc('.');
+                       udelay(1000);   /* 1 ms */
+                       mii_reg = tse_mdio_read(priv, MIIM_STATUS);
+               }
+               puts(" done\n");
+               priv->link = 1;
+               udelay(500000); /* another 500 ms (results in faster booting) */
+       } else {
+               if (mii_reg & MIIM_STATUS_LINK) {
+                       debug("Link is up\n");
+                       priv->link = 1;
+               } else {
+                       debug("Link is down\n");
+                       priv->link = 0;
+               }
+       }
+
+       return 0;
+}
+
+/* Parse the 88E1011's status register for speed and duplex
+ * information
+ */
+static uint mii_parse_88E1011_psr(uint mii_reg, struct altera_tse_priv *priv)
+{
+       uint speed;
+
+       mii_reg = tse_mdio_read(priv, MIIM_88E1011_PHY_STATUS);
+
+       if ((mii_reg & MIIM_88E1011_PHYSTAT_LINK) &&
+           !(mii_reg & MIIM_88E1011_PHYSTAT_SPDDONE)) {
+               int i = 0;
+
+               puts("Waiting for PHY realtime link");
+               while (!(mii_reg & MIIM_88E1011_PHYSTAT_SPDDONE)) {
+                       /* Timeout reached ? */
+                       if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
+                               puts(" TIMEOUT !\n");
+                               priv->link = 0;
+                               break;
+                       }
+
+                       if ((i++ == 1000) == 0) {
+                               i = 0;
+                               puts(".");
+                       }
+                       udelay(1000);   /* 1 ms */
+                       mii_reg = tse_mdio_read(priv, MIIM_88E1011_PHY_STATUS);
+               }
+               puts(" done\n");
+               udelay(500000); /* another 500 ms (results in faster booting) */
+       } else {
+               if (mii_reg & MIIM_88E1011_PHYSTAT_LINK)
+                       priv->link = 1;
+               else
+                       priv->link = 0;
+       }
+
+       if (mii_reg & MIIM_88E1011_PHYSTAT_DUPLEX)
+               priv->duplexity = 1;
+       else
+               priv->duplexity = 0;
+
+       speed = (mii_reg & MIIM_88E1011_PHYSTAT_SPEED);
+
+       switch (speed) {
+       case MIIM_88E1011_PHYSTAT_GBIT:
+               priv->speed = 1000;
+               debug("PHY Speed is 1000Mbit\n");
+               break;
+       case MIIM_88E1011_PHYSTAT_100:
+               debug("PHY Speed is 100Mbit\n");
+               priv->speed = 100;
+               break;
+       default:
+               debug("PHY Speed is 10Mbit\n");
+               priv->speed = 10;
+       }
+
+       return 0;
+}
+
+static uint mii_m88e1111s_setmode_sr(uint mii_reg, struct altera_tse_priv *priv)
+{
+       uint mii_data = tse_mdio_read(priv, mii_reg);
+       mii_data &= 0xfff0;
+       mii_data |= 0xb;
+       return mii_data;
+}
+
+static uint mii_m88e1111s_setmode_cr(uint mii_reg, struct altera_tse_priv *priv)
+{
+       uint mii_data = tse_mdio_read(priv, mii_reg);
+       mii_data &= ~0x82;
+       mii_data |= 0x82;
+       return mii_data;
+}
+
+/*
+ * Returns which value to write to the control register.
+ * For 10/100, the value is slightly different
+ */
+static uint mii_cr_init(uint mii_reg, struct altera_tse_priv *priv)
+{
+       return MIIM_CONTROL_INIT;
+}
+
+/*
+ * PHY & MDIO code
+ * Need to add SGMII stuff
+ *
+ */
+
+static struct phy_info phy_info_M88E1111S = {
+       0x01410cc,
+       "Marvell 88E1111S",
+       4,
+       (struct phy_cmd[]){     /* config */
+                          /* Reset and configure the PHY */
+                          {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
+                          {MIIM_88E1111_PHY_EXT_SR, 0x848f,
+                           &mii_m88e1111s_setmode_sr},
+                          /* Delay RGMII TX and RX */
+                          {MIIM_88E1111_PHY_EXT_CR, 0x0cd2,
+                           &mii_m88e1111s_setmode_cr},
+                          {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
+                          {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
+                          {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
+                          {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
+                          {miim_end,}
+                          },
+       (struct phy_cmd[]){     /* startup */
+                          /* Status is read once to clear old link state */
+                          {MIIM_STATUS, miim_read, NULL},
+                          /* Auto-negotiate */
+                          {MIIM_STATUS, miim_read, &mii_parse_sr},
+                          /* Read the status */
+                          {MIIM_88E1011_PHY_STATUS, miim_read,
+                           &mii_parse_88E1011_psr},
+                          {miim_end,}
+                          },
+       (struct phy_cmd[]){     /* shutdown */
+                          {miim_end,}
+                          },
+};
+
+/* a generic flavor.  */
+static struct phy_info phy_info_generic = {
+       0,
+       "Unknown/Generic PHY",
+       32,
+       (struct phy_cmd[]){     /* config */
+                          {PHY_BMCR, PHY_BMCR_RESET, NULL},
+                          {PHY_BMCR, PHY_BMCR_AUTON | PHY_BMCR_RST_NEG, NULL},
+                          {miim_end,}
+                          },
+       (struct phy_cmd[]){     /* startup */
+                          {PHY_BMSR, miim_read, NULL},
+                          {PHY_BMSR, miim_read, &mii_parse_sr},
+                          {miim_end,}
+                          },
+       (struct phy_cmd[]){     /* shutdown */
+                          {miim_end,}
+                          }
+};
+
+static struct phy_info *phy_info[] = {
+       &phy_info_M88E1111S,
+       NULL
+};
+
+ /* Grab the identifier of the device's PHY, and search through
+  * all of the known PHYs to see if one matches.        If so, return
+  * it, if not, return NULL
+  */
+static struct phy_info *get_phy_info(struct eth_device *dev)
+{
+       struct altera_tse_priv *priv = (struct altera_tse_priv *)dev->priv;
+       uint phy_reg, phy_ID;
+       int i;
+       struct phy_info *theInfo = NULL;
+
+       /* Grab the bits from PHYIR1, and put them in the upper half */
+       phy_reg = tse_mdio_read(priv, MIIM_PHYIR1);
+       phy_ID = (phy_reg & 0xffff) << 16;
+
+       /* Grab the bits from PHYIR2, and put them in the lower half */
+       phy_reg = tse_mdio_read(priv, MIIM_PHYIR2);
+       phy_ID |= (phy_reg & 0xffff);
+
+       /* loop through all the known PHY types, and find one that */
+       /* matches the ID we read from the PHY. */
+       for (i = 0; phy_info[i]; i++) {
+               if (phy_info[i]->id == (phy_ID >> phy_info[i]->shift)) {
+                       theInfo = phy_info[i];
+                       break;
+               }
+       }
+
+       if (theInfo == NULL) {
+               theInfo = &phy_info_generic;
+               debug("%s: No support for PHY id %x; assuming generic\n",
+                     dev->name, phy_ID);
+       } else
+               debug("%s: PHY is %s (%x)\n", dev->name, theInfo->name, phy_ID);
+
+       return theInfo;
+}
+
+/* Execute the given series of commands on the given device's
+ * PHY, running functions as necessary
+ */
+static void phy_run_commands(struct altera_tse_priv *priv, struct phy_cmd *cmd)
+{
+       int i;
+       uint result;
+
+       for (i = 0; cmd->mii_reg != miim_end; i++) {
+               if (cmd->mii_data == miim_read) {
+                       result = tse_mdio_read(priv, cmd->mii_reg);
+
+                       if (cmd->funct != NULL)
+                               (*(cmd->funct)) (result, priv);
+
+               } else {
+                       if (cmd->funct != NULL)
+                               result = (*(cmd->funct)) (cmd->mii_reg, priv);
+                       else
+                               result = cmd->mii_data;
+
+                       tse_mdio_write(priv, cmd->mii_reg, result);
+
+               }
+               cmd++;
+       }
+}
+
+/* Phy init code */
+static int init_phy(struct eth_device *dev)
+{
+       struct altera_tse_priv *priv = (struct altera_tse_priv *)dev->priv;
+       struct phy_info *curphy;
+
+       /* Get the cmd structure corresponding to the attached
+        * PHY */
+       curphy = get_phy_info(dev);
+
+       if (curphy == NULL) {
+               priv->phyinfo = NULL;
+               debug("%s: No PHY found\n", dev->name);
+
+               return 0;
+       } else
+               debug("%s found\n", curphy->name);
+       priv->phyinfo = curphy;
+
+       phy_run_commands(priv, priv->phyinfo->config);
+
+       return 1;
+}
+
+static int tse_eth_init(struct eth_device *dev, bd_t * bd)
+{
+       int dat;
+       struct altera_tse_priv *priv = dev->priv;
+       volatile struct alt_tse_mac *mac_dev = priv->mac_dev;
+       volatile struct alt_sgdma_descriptor *tx_desc = priv->tx_desc;
+       volatile struct alt_sgdma_descriptor *rx_desc = priv->rx_desc;
+       volatile struct alt_sgdma_descriptor *rx_desc_cur =
+           (volatile struct alt_sgdma_descriptor *)&rx_desc[0];
+
+       /* stop controller */
+       debug("Reseting TSE & SGDMAs\n");
+       tse_eth_reset(dev);
+
+       /* start the phy */
+       debug("Configuring PHY\n");
+       phy_run_commands(priv, priv->phyinfo->startup);
+
+       /* need to create sgdma */
+       debug("Configuring tx desc\n");
+       alt_sgdma_construct_descriptor_burst(
+               (volatile struct alt_sgdma_descriptor *)&tx_desc[0],
+               (volatile struct alt_sgdma_descriptor *)&tx_desc[1],
+               (unsigned int *)NULL,   /* read addr */
+               (unsigned int *)0,
+               0,      /* length or EOP ,will change for each tx */
+               0x1,    /* gen eop */
+               0x0,    /* read fixed */
+               0x1,    /* write fixed or sop */
+               0x0,    /* read burst */
+               0x0,    /* write burst */
+               0x0     /* channel */
+               );
+       debug("Configuring rx desc\n");
+       flush_dcache((unsigned long)(NetRxPackets[0]), PKTSIZE_ALIGN);
+       alt_sgdma_construct_descriptor_burst(
+               (volatile struct alt_sgdma_descriptor *)&rx_desc[0],
+               (volatile struct alt_sgdma_descriptor *)&rx_desc[1],
+               (unsigned int)0x0,      /* read addr */
+               (unsigned int *)NetRxPackets[0],
+               0x0,    /* length or EOP */
+               0x0,    /* gen eop */
+               0x0,    /* read fixed */
+               0x0,    /* write fixed or sop */
+               0x0,    /* read burst */
+               0x0,    /* write burst */
+               0x0     /* channel */
+               );
+       /* start rx async transfer */
+       debug("Starting rx sgdma\n");
+       alt_sgdma_do_async_transfer(priv->sgdma_rx, rx_desc_cur);
+
+       /* start TSE */
+       debug("Configuring TSE Mac\n");
+       /* Initialize MAC registers */
+       mac_dev->max_frame_length = PKTSIZE_ALIGN;
+       mac_dev->rx_almost_empty_threshold = 8;
+       mac_dev->rx_almost_full_threshold = 8;
+       mac_dev->tx_almost_empty_threshold = 8;
+       mac_dev->tx_almost_full_threshold = 3;
+       mac_dev->tx_sel_empty_threshold =
+           CONFIG_SYS_ALTERA_TSE_TX_FIFO - 16;
+       mac_dev->tx_sel_full_threshold = 0;
+       mac_dev->rx_sel_empty_threshold =
+           CONFIG_SYS_ALTERA_TSE_TX_FIFO - 16;
+       mac_dev->rx_sel_full_threshold = 0;
+
+       /* NO Shift */
+       mac_dev->rx_cmd_stat.bits.rx_shift16 = 0;
+       mac_dev->tx_cmd_stat.bits.tx_shift16 = 0;
+
+       /* enable MAC */
+       dat = 0;
+       dat = ALTERA_TSE_CMD_TX_ENA_MSK | ALTERA_TSE_CMD_RX_ENA_MSK;
+
+       mac_dev->command_config.image = dat;
+
+       /* Set the MAC address */
+       debug("Setting MAC address to 0x%x%x%x%x%x%x\n",
+             dev->enetaddr[5], dev->enetaddr[4],
+             dev->enetaddr[3], dev->enetaddr[2],
+             dev->enetaddr[1], dev->enetaddr[0]);
+       mac_dev->mac_addr_0 = ((dev->enetaddr[3]) << 24 |
+                              (dev->enetaddr[2]) << 16 |
+                              (dev->enetaddr[1]) << 8 | (dev->enetaddr[0]));
+
+       mac_dev->mac_addr_1 = ((dev->enetaddr[5] << 8 |
+                               (dev->enetaddr[4])) & 0xFFFF);
+
+       /* Set the MAC address */
+       mac_dev->supp_mac_addr_0_0 = mac_dev->mac_addr_0;
+       mac_dev->supp_mac_addr_0_1 = mac_dev->mac_addr_1;
+
+       /* Set the MAC address */
+       mac_dev->supp_mac_addr_1_0 = mac_dev->mac_addr_0;
+       mac_dev->supp_mac_addr_1_1 = mac_dev->mac_addr_1;
+
+       /* Set the MAC address */
+       mac_dev->supp_mac_addr_2_0 = mac_dev->mac_addr_0;
+       mac_dev->supp_mac_addr_2_1 = mac_dev->mac_addr_1;
+
+       /* Set the MAC address */
+       mac_dev->supp_mac_addr_3_0 = mac_dev->mac_addr_0;
+       mac_dev->supp_mac_addr_3_1 = mac_dev->mac_addr_1;
+
+       /* configure the TSE core  */
+       /*  -- output clocks,  */
+       /*  -- and later config stuff for SGMII */
+       if (priv->link) {
+               debug("Adjusting TSE to link speed\n");
+               tse_adjust_link(priv);
+       }
+
+       return priv->link ? 0 : -1;
+}
+
+/* TSE init code */
+int altera_tse_initialize(u8 dev_num, int mac_base,
+                         int sgdma_rx_base, int sgdma_tx_base)
+{
+       struct altera_tse_priv *priv;
+       struct eth_device *dev;
+       struct alt_sgdma_descriptor *rx_desc;
+       struct alt_sgdma_descriptor *tx_desc;
+       unsigned long dma_handle;
+
+       dev = (struct eth_device *)malloc(sizeof *dev);
+
+       if (NULL == dev)
+               return 0;
+
+       memset(dev, 0, sizeof *dev);
+
+       priv = malloc(sizeof(*priv));
+
+       if (!priv) {
+               free(dev);
+               return 0;
+       }
+       tx_desc = dma_alloc_coherent(sizeof(*tx_desc) * (3 + PKTBUFSRX),
+                                    &dma_handle);
+       rx_desc = tx_desc + 2;
+       debug("tx desc: address = 0x%x\n", (unsigned int)tx_desc);
+       debug("rx desc: address = 0x%x\n", (unsigned int)rx_desc);
+
+       if (!tx_desc) {
+               free(priv);
+               free(dev);
+               return 0;
+       }
+       memset(rx_desc, 0, (sizeof *rx_desc) * (PKTBUFSRX + 1));
+       memset(tx_desc, 0, (sizeof *tx_desc) * 2);
+
+       /* initialize tse priv */
+       priv->mac_dev = (volatile struct alt_tse_mac *)mac_base;
+       priv->sgdma_rx = (volatile struct alt_sgdma_registers *)sgdma_rx_base;
+       priv->sgdma_tx = (volatile struct alt_sgdma_registers *)sgdma_tx_base;
+       priv->phyaddr = CONFIG_SYS_ALTERA_TSE_PHY_ADDR;
+       priv->flags = CONFIG_SYS_ALTERA_TSE_FLAGS;
+       priv->rx_desc = rx_desc;
+       priv->tx_desc = tx_desc;
+
+       /* init eth structure */
+       dev->priv = priv;
+       dev->init = tse_eth_init;
+       dev->halt = tse_eth_halt;
+       dev->send = tse_eth_send;
+       dev->recv = tse_eth_rx;
+       sprintf(dev->name, "%s-%hu", "ALTERA_TSE", dev_num);
+
+       eth_register(dev);
+
+#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) && !defined(BITBANGMII)
+       miiphy_register(dev->name, altera_tse_miiphy_read,
+                       altera_tse_miiphy_write);
+#endif
+
+       init_phy(dev);
+
+       return 1;
+}
diff --git a/drivers/net/altera_tse.h b/drivers/net/altera_tse.h
new file mode 100644 (file)
index 0000000..c1cb79e
--- /dev/null
@@ -0,0 +1,494 @@
+/*
+ * Altera 10/100/1000 triple speed ethernet mac
+ *
+ * Copyright (C) 2008 Altera Corporation.
+ * Copyright (C) 2010 Thomas Chou <thomas@wytron.com.tw>
+ *
+ * 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.
+ */
+#ifndef _ALTERA_TSE_H_
+#define _ALTERA_TSE_H_
+
+#define __packed_1_    __attribute__ ((packed, aligned(1)))
+
+/* PHY Stuff */
+#define miim_end -2
+#define miim_read -1
+
+#define PHY_AUTONEGOTIATE_TIMEOUT      5000    /* in ms */
+
+#ifndef CONFIG_SYS_TBIPA_VALUE
+#define CONFIG_SYS_TBIPA_VALUE 0x1f
+#endif
+#define MIIMCFG_INIT_VALUE     0x00000003
+#define MIIMCFG_RESET          0x80000000
+
+#define MIIMIND_BUSY           0x00000001
+#define MIIMIND_NOTVALID       0x00000004
+
+#define MIIM_CONTROL           0x00
+#define MIIM_CONTROL_RESET     0x00009140
+#define MIIM_CONTROL_INIT      0x00001140
+#define MIIM_CONTROL_RESTART   0x00001340
+#define MIIM_ANEN              0x00001000
+
+#define MIIM_CR                0x00
+#define MIIM_CR_RST            0x00008000
+#define MIIM_CR_INIT           0x00001000
+
+#define MIIM_STATUS            0x1
+#define MIIM_STATUS_AN_DONE    0x00000020
+#define MIIM_STATUS_LINK       0x0004
+#define PHY_BMSR_AUTN_ABLE     0x0008
+#define PHY_BMSR_AUTN_COMP     0x0020
+
+#define MIIM_PHYIR1            0x2
+#define MIIM_PHYIR2            0x3
+
+#define MIIM_ANAR              0x4
+#define MIIM_ANAR_INIT         0x1e1
+
+#define MIIM_TBI_ANLPBPA       0x5
+#define MIIM_TBI_ANLPBPA_HALF  0x00000040
+#define MIIM_TBI_ANLPBPA_FULL  0x00000020
+
+#define MIIM_TBI_ANEX          0x6
+#define MIIM_TBI_ANEX_NP       0x00000004
+#define MIIM_TBI_ANEX_PRX      0x00000002
+
+#define MIIM_GBIT_CONTROL      0x9
+#define MIIM_GBIT_CONTROL_INIT 0xe00
+
+#define MIIM_EXT_PAGE_ACCESS   0x1f
+
+/* 88E1011 PHY Status Register */
+#define MIIM_88E1011_PHY_STATUS        0x11
+#define MIIM_88E1011_PHYSTAT_SPEED     0xc000
+#define MIIM_88E1011_PHYSTAT_GBIT      0x8000
+#define MIIM_88E1011_PHYSTAT_100       0x4000
+#define MIIM_88E1011_PHYSTAT_DUPLEX    0x2000
+#define MIIM_88E1011_PHYSTAT_SPDDONE   0x0800
+#define MIIM_88E1011_PHYSTAT_LINK      0x0400
+
+#define MIIM_88E1011_PHY_SCR           0x10
+#define MIIM_88E1011_PHY_MDI_X_AUTO    0x0060
+
+#define MIIM_88E1111_PHY_EXT_CR        0x14
+#define MIIM_88E1111_PHY_EXT_SR        0x1b
+
+/* 88E1111 PHY LED Control Register */
+#define MIIM_88E1111_PHY_LED_CONTROL   24
+#define MIIM_88E1111_PHY_LED_DIRECT    0x4100
+#define MIIM_88E1111_PHY_LED_COMBINE   0x411C
+
+#define MIIM_READ_COMMAND      0x00000001
+
+/* struct phy_info: a structure which defines attributes for a PHY
+ * id will contain a number which represents the PHY.  During
+ * startup, the driver will poll the PHY to find out what its
+ * UID--as defined by registers 2 and 3--is.  The 32-bit result
+ * gotten from the PHY will be shifted right by "shift" bits to
+ * discard any bits which may change based on revision numbers
+ * unimportant to functionality
+ *
+ * The struct phy_cmd entries represent pointers to an arrays of
+ * commands which tell the driver what to do to the PHY.
+ */
+struct phy_info {
+       uint id;
+       char *name;
+       uint shift;
+       /* Called to configure the PHY, and modify the controller
+        * based on the results */
+       struct phy_cmd *config;
+
+       /* Called when starting up the controller */
+       struct phy_cmd *startup;
+
+       /* Called when bringing down the controller */
+       struct phy_cmd *shutdown;
+};
+
+/* SGDMA Stuff */
+#define ALT_SGDMA_STATUS_ERROR_MSK                     (0x00000001)
+#define ALT_SGDMA_STATUS_EOP_ENCOUNTERED_MSK           (0x00000002)
+#define ALT_SGDMA_STATUS_DESC_COMPLETED_MSK            (0x00000004)
+#define ALT_SGDMA_STATUS_CHAIN_COMPLETED_MSK           (0x00000008)
+#define ALT_SGDMA_STATUS_BUSY_MSK                      (0x00000010)
+
+#define ALT_SGDMA_CONTROL_IE_ERROR_MSK                 (0x00000001)
+#define ALT_SGDMA_CONTROL_IE_EOP_ENCOUNTERED_MSK       (0x00000002)
+#define ALT_SGDMA_CONTROL_IE_DESC_COMPLETED_MSK        (0x00000004)
+#define ALT_SGDMA_CONTROL_IE_CHAIN_COMPLETED_MSK       (0x00000008)
+#define ALT_SGDMA_CONTROL_IE_GLOBAL_MSK                (0x00000010)
+#define ALT_SGDMA_CONTROL_RUN_MSK                      (0x00000020)
+#define ALT_SGDMA_CONTROL_STOP_DMA_ER_MSK              (0x00000040)
+#define ALT_SGDMA_CONTROL_IE_MAX_DESC_PROCESSED_MSK    (0x00000080)
+#define ALT_SGDMA_CONTROL_MAX_DESC_PROCESSED_MSK       (0x0000FF00)
+#define ALT_SGDMA_CONTROL_SOFTWARERESET_MSK            (0x00010000)
+#define ALT_SGDMA_CONTROL_PARK_MSK                     (0x00020000)
+#define ALT_SGDMA_CONTROL_CLEAR_INTERRUPT_MSK          (0x80000000)
+
+#define ALTERA_TSE_SGDMA_INTR_MASK  (ALT_SGDMA_CONTROL_IE_CHAIN_COMPLETED_MSK \
+                       | ALT_SGDMA_STATUS_DESC_COMPLETED_MSK \
+                       | ALT_SGDMA_CONTROL_IE_GLOBAL_MSK)
+
+/*
+ * Descriptor control bit masks & offsets
+ *
+ * Note: The control byte physically occupies bits [31:24] in memory.
+ *      The following bit-offsets are expressed relative to the LSB of
+ *      the control register bitfield.
+ */
+#define ALT_SGDMA_DESCRIPTOR_CONTROL_GENERATE_EOP_MSK          (0x00000001)
+#define ALT_SGDMA_DESCRIPTOR_CONTROL_READ_FIXED_ADDRESS_MSK    (0x00000002)
+#define ALT_SGDMA_DESCRIPTOR_CONTROL_WRITE_FIXED_ADDRESS_MSK   (0x00000004)
+#define ALT_SGDMA_DESCRIPTOR_CONTROL_ATLANTIC_CHANNEL_MSK      (0x00000008)
+#define ALT_SGDMA_DESCRIPTOR_CONTROL_OWNED_BY_HW_MSK           (0x00000080)
+
+/*
+ * Descriptor status bit masks & offsets
+ *
+ * Note: The status byte physically occupies bits [23:16] in memory.
+ *      The following bit-offsets are expressed relative to the LSB of
+ *      the status register bitfield.
+ */
+#define ALT_SGDMA_DESCRIPTOR_STATUS_E_CRC_MSK                  (0x00000001)
+#define ALT_SGDMA_DESCRIPTOR_STATUS_E_PARITY_MSK               (0x00000002)
+#define ALT_SGDMA_DESCRIPTOR_STATUS_E_OVERFLOW_MSK             (0x00000004)
+#define ALT_SGDMA_DESCRIPTOR_STATUS_E_SYNC_MSK                 (0x00000008)
+#define ALT_SGDMA_DESCRIPTOR_STATUS_E_UEOP_MSK                 (0x00000010)
+#define ALT_SGDMA_DESCRIPTOR_STATUS_E_MEOP_MSK                 (0x00000020)
+#define ALT_SGDMA_DESCRIPTOR_STATUS_E_MSOP_MSK                 (0x00000040)
+#define ALT_SGDMA_DESCRIPTOR_STATUS_TERMINATED_BY_EOP_MSK      (0x00000080)
+#define ALT_SGDMA_DESCRIPTOR_STATUS_ERROR_MSK                  (0x0000007F)
+
+/*
+ * The SGDMA controller buffer descriptor allocates
+ * 64 bits for each address. To support ANSI C, the
+ * struct implementing a descriptor places 32-bits
+ * of padding directly above each address; each pad must
+ * be cleared when initializing a descriptor.
+ */
+
+/*
+ * Buffer Descriptor data structure
+ *
+ */
+struct alt_sgdma_descriptor {
+       unsigned int *source;   /* the address of data to be read. */
+       unsigned int source_pad;
+
+       unsigned int *destination;      /* the address to write data */
+       unsigned int destination_pad;
+
+       unsigned int *next;     /* the next descriptor in the list. */
+       unsigned int next_pad;
+
+       unsigned short bytes_to_transfer; /* the number of bytes to transfer */
+       unsigned char read_burst;
+       unsigned char write_burst;
+
+       unsigned short actual_bytes_transferred;/* bytes transferred by DMA */
+       unsigned char descriptor_status;
+       unsigned char descriptor_control;
+
+} __packed_1_;
+
+/* SG-DMA Control/Status Slave registers map */
+
+struct alt_sgdma_registers {
+       unsigned int status;
+       unsigned int status_pad[3];
+       unsigned int control;
+       unsigned int control_pad[3];
+       unsigned int next_descriptor_pointer;
+       unsigned int descriptor_pad[3];
+};
+
+/* TSE Stuff */
+#define ALTERA_TSE_CMD_TX_ENA_MSK              (0x00000001)
+#define ALTERA_TSE_CMD_RX_ENA_MSK              (0x00000002)
+#define ALTERA_TSE_CMD_XON_GEN_MSK             (0x00000004)
+#define ALTERA_TSE_CMD_ETH_SPEED_MSK           (0x00000008)
+#define ALTERA_TSE_CMD_PROMIS_EN_MSK           (0x00000010)
+#define ALTERA_TSE_CMD_PAD_EN_MSK              (0x00000020)
+#define ALTERA_TSE_CMD_CRC_FWD_MSK             (0x00000040)
+#define ALTERA_TSE_CMD_PAUSE_FWD_MSK           (0x00000080)
+#define ALTERA_TSE_CMD_PAUSE_IGNORE_MSK        (0x00000100)
+#define ALTERA_TSE_CMD_TX_ADDR_INS_MSK         (0x00000200)
+#define ALTERA_TSE_CMD_HD_ENA_MSK              (0x00000400)
+#define ALTERA_TSE_CMD_EXCESS_COL_MSK          (0x00000800)
+#define ALTERA_TSE_CMD_LATE_COL_MSK            (0x00001000)
+#define ALTERA_TSE_CMD_SW_RESET_MSK            (0x00002000)
+#define ALTERA_TSE_CMD_MHASH_SEL_MSK           (0x00004000)
+#define ALTERA_TSE_CMD_LOOPBACK_MSK            (0x00008000)
+/* Bits (18:16) = address select */
+#define ALTERA_TSE_CMD_TX_ADDR_SEL_MSK         (0x00070000)
+#define ALTERA_TSE_CMD_MAGIC_ENA_MSK           (0x00080000)
+#define ALTERA_TSE_CMD_SLEEP_MSK               (0x00100000)
+#define ALTERA_TSE_CMD_WAKEUP_MSK              (0x00200000)
+#define ALTERA_TSE_CMD_XOFF_GEN_MSK            (0x00400000)
+#define ALTERA_TSE_CMD_CNTL_FRM_ENA_MSK        (0x00800000)
+#define ALTERA_TSE_CMD_NO_LENGTH_CHECK_MSK     (0x01000000)
+#define ALTERA_TSE_CMD_ENA_10_MSK              (0x02000000)
+#define ALTERA_TSE_CMD_RX_ERR_DISC_MSK         (0x04000000)
+/* Bits (30..27) reserved */
+#define ALTERA_TSE_CMD_CNT_RESET_MSK           (0x80000000)
+
+#define ALTERA_TSE_TX_CMD_STAT_TX_SHIFT16      (0x00040000)
+#define ALTERA_TSE_TX_CMD_STAT_OMIT_CRC        (0x00020000)
+
+#define ALTERA_TSE_RX_CMD_STAT_RX_SHIFT16      (0x02000000)
+
+#define ALT_TSE_SW_RESET_WATCHDOG_CNTR         10000
+#define ALT_TSE_SGDMA_BUSY_WATCHDOG_CNTR       90000000
+
+/* Command_Config Register Bit Definitions */
+
+typedef volatile union __alt_tse_command_config {
+       unsigned int image;
+       struct {
+               unsigned int
+                transmit_enable:1,             /* bit 0 */
+                receive_enable:1,              /* bit 1 */
+                pause_frame_xon_gen:1, /* bit 2 */
+                ethernet_speed:1,              /* bit 3 */
+                promiscuous_enable:1,          /* bit 4 */
+                pad_enable:1,                  /* bit 5 */
+                crc_forward:1,         /* bit 6 */
+                pause_frame_forward:1, /* bit 7 */
+                pause_frame_ignore:1,          /* bit 8 */
+                set_mac_address_on_tx:1,       /* bit 9 */
+                halfduplex_enable:1,           /* bit 10 */
+                excessive_collision:1, /* bit 11 */
+                late_collision:1,              /* bit 12 */
+                software_reset:1,              /* bit 13 */
+                multicast_hash_mode_sel:1,     /* bit 14 */
+                loopback_enable:1,             /* bit 15 */
+                src_mac_addr_sel_on_tx:3,      /* bit 18:16 */
+                magic_packet_detect:1, /* bit 19 */
+                sleep_mode_enable:1,           /* bit 20 */
+                wake_up_request:1,             /* bit 21 */
+                pause_frame_xoff_gen:1,        /* bit 22 */
+                control_frame_enable:1,        /* bit 23 */
+                payload_len_chk_disable:1,     /* bit 24 */
+                enable_10mbps_intf:1,          /* bit 25 */
+                rx_error_discard_enable:1,     /* bit 26 */
+                reserved_bits:4,               /* bit 30:27 */
+                self_clear_counter_reset:1;    /* bit 31 */
+       } __packed_1_ bits;
+} __packed_1_ alt_tse_command_config;
+
+/* Tx_Cmd_Stat Register Bit Definitions */
+
+typedef volatile union __alt_tse_tx_cmd_stat {
+       unsigned int image;
+       struct {
+               unsigned int reserved_lsbs:17,  /* bit 16:0  */
+                omit_crc:1,                    /* bit 17 */
+                tx_shift16:1,                  /* bit 18 */
+                reserved_msbs:13;              /* bit 31:19 */
+
+       } __packed_1_ bits;
+} alt_tse_tx_cmd_stat;
+
+/* Rx_Cmd_Stat Register Bit Definitions */
+
+typedef volatile union __alt_tse_rx_cmd_stat {
+       unsigned int image;
+       struct {
+               unsigned int reserved_lsbs:25,  /* bit 24:0  */
+                rx_shift16:1,                  /* bit 25 */
+                reserved_msbs:6;               /* bit 31:26 */
+
+       } __packed_1_ bits;
+} alt_tse_rx_cmd_stat;
+
+struct alt_tse_mdio {
+       unsigned int control;   /*PHY device operation control register */
+       unsigned int status;    /*PHY device operation status register */
+       unsigned int phy_id1;   /*Bits 31:16 of PHY identifier. */
+       unsigned int phy_id2;   /*Bits 15:0 of PHY identifier. */
+       unsigned int auto_negotiation_advertisement;
+       unsigned int remote_partner_base_page_ability;
+
+       unsigned int reg6;
+       unsigned int reg7;
+       unsigned int reg8;
+       unsigned int reg9;
+       unsigned int rega;
+       unsigned int regb;
+       unsigned int regc;
+       unsigned int regd;
+       unsigned int rege;
+       unsigned int regf;
+       unsigned int reg10;
+       unsigned int reg11;
+       unsigned int reg12;
+       unsigned int reg13;
+       unsigned int reg14;
+       unsigned int reg15;
+       unsigned int reg16;
+       unsigned int reg17;
+       unsigned int reg18;
+       unsigned int reg19;
+       unsigned int reg1a;
+       unsigned int reg1b;
+       unsigned int reg1c;
+       unsigned int reg1d;
+       unsigned int reg1e;
+       unsigned int reg1f;
+};
+
+/* MAC register Space */
+
+struct alt_tse_mac {
+       unsigned int megacore_revision;
+       unsigned int scratch_pad;
+       alt_tse_command_config command_config;
+       unsigned int mac_addr_0;
+       unsigned int mac_addr_1;
+       unsigned int max_frame_length;
+       unsigned int pause_quanta;
+       unsigned int rx_sel_empty_threshold;
+       unsigned int rx_sel_full_threshold;
+       unsigned int tx_sel_empty_threshold;
+       unsigned int tx_sel_full_threshold;
+       unsigned int rx_almost_empty_threshold;
+       unsigned int rx_almost_full_threshold;
+       unsigned int tx_almost_empty_threshold;
+       unsigned int tx_almost_full_threshold;
+       unsigned int mdio_phy0_addr;
+       unsigned int mdio_phy1_addr;
+
+       /* only if 100/1000 BaseX PCS, reserved otherwise */
+       unsigned int reservedx44[5];
+
+       unsigned int reg_read_access_status;
+       unsigned int min_tx_ipg_length;
+
+       /* IEEE 802.3 oEntity Managed Object Support */
+       unsigned int aMACID_1;  /*The MAC addresses */
+       unsigned int aMACID_2;
+       unsigned int aFramesTransmittedOK;
+       unsigned int aFramesReceivedOK;
+       unsigned int aFramesCheckSequenceErrors;
+       unsigned int aAlignmentErrors;
+       unsigned int aOctetsTransmittedOK;
+       unsigned int aOctetsReceivedOK;
+
+       /* IEEE 802.3 oPausedEntity Managed Object Support */
+       unsigned int aTxPAUSEMACCtrlFrames;
+       unsigned int aRxPAUSEMACCtrlFrames;
+
+       /* IETF MIB (MIB-II) Object Support */
+       unsigned int ifInErrors;
+       unsigned int ifOutErrors;
+       unsigned int ifInUcastPkts;
+       unsigned int ifInMulticastPkts;
+       unsigned int ifInBroadcastPkts;
+       unsigned int ifOutDiscards;
+       unsigned int ifOutUcastPkts;
+       unsigned int ifOutMulticastPkts;
+       unsigned int ifOutBroadcastPkts;
+
+       /* IETF RMON MIB Object Support */
+       unsigned int etherStatsDropEvent;
+       unsigned int etherStatsOctets;
+       unsigned int etherStatsPkts;
+       unsigned int etherStatsUndersizePkts;
+       unsigned int etherStatsOversizePkts;
+       unsigned int etherStatsPkts64Octets;
+       unsigned int etherStatsPkts65to127Octets;
+       unsigned int etherStatsPkts128to255Octets;
+       unsigned int etherStatsPkts256to511Octets;
+       unsigned int etherStatsPkts512to1023Octets;
+       unsigned int etherStatsPkts1024to1518Octets;
+
+       unsigned int etherStatsPkts1519toXOctets;
+       unsigned int etherStatsJabbers;
+       unsigned int etherStatsFragments;
+
+       unsigned int reservedxE4;
+
+       /*FIFO control register. */
+       alt_tse_tx_cmd_stat tx_cmd_stat;
+       alt_tse_rx_cmd_stat rx_cmd_stat;
+
+       unsigned int ipaccTxConf;
+       unsigned int ipaccRxConf;
+       unsigned int ipaccRxStat;
+       unsigned int ipaccRxStatSum;
+
+       /*Multicast address resolution table */
+       unsigned int hash_table[64];
+
+       /*Registers 0 to 31 within PHY device 0/1 */
+       struct alt_tse_mdio mdio_phy0;
+       struct alt_tse_mdio mdio_phy1;
+
+       /*4 Supplemental MAC Addresses */
+       unsigned int supp_mac_addr_0_0;
+       unsigned int supp_mac_addr_0_1;
+       unsigned int supp_mac_addr_1_0;
+       unsigned int supp_mac_addr_1_1;
+       unsigned int supp_mac_addr_2_0;
+       unsigned int supp_mac_addr_2_1;
+       unsigned int supp_mac_addr_3_0;
+       unsigned int supp_mac_addr_3_1;
+
+       unsigned int reservedx320[56];
+};
+
+/* flags: TSE MII modes */
+/* GMII/MII    = 0 */
+/* RGMII       = 1 */
+/* RGMII_ID    = 2 */
+/* RGMII_TXID  = 3 */
+/* RGMII_RXID  = 4 */
+/* SGMII       = 5 */
+struct altera_tse_priv {
+       char devname[16];
+       volatile struct alt_tse_mac *mac_dev;
+       volatile struct alt_sgdma_registers *sgdma_rx;
+       volatile struct alt_sgdma_registers *sgdma_tx;
+       unsigned int rx_sgdma_irq;
+       unsigned int tx_sgdma_irq;
+       unsigned int has_descriptor_mem;
+       unsigned int descriptor_mem_base;
+       unsigned int descriptor_mem_size;
+       volatile struct alt_sgdma_descriptor *rx_desc;
+       volatile struct alt_sgdma_descriptor *tx_desc;
+       volatile unsigned char *rx_buf;
+       struct phy_info *phyinfo;
+       unsigned int phyaddr;
+       unsigned int flags;
+       unsigned int link;
+       unsigned int duplexity;
+       unsigned int speed;
+};
+
+/* Phy stuff continued */
+/*
+ * struct phy_cmd:  A command for reading or writing a PHY register
+ *
+ * mii_reg:  The register to read or write
+ *
+ * mii_data:  For writes, the value to put in the register.
+ *     A value of -1 indicates this is a read.
+ *
+ * funct: A function pointer which is invoked for each command.
+ *     For reads, this function will be passed the value read
+ *     from the PHY, and process it.
+ *     For writes, the result of this function will be written
+ *     to the PHY register
+ */
+struct phy_cmd {
+       uint mii_reg;
+       uint mii_data;
+       uint(*funct) (uint mii_reg, struct altera_tse_priv *priv);
+};
+#endif /* _ALTERA_TSE_H_ */
index 605edf10436adac0c2a977d076cf6eeccfe8cb40..882642a2c442bf3fab8c97426790d177d3f9539a 100644 (file)
@@ -41,6 +41,8 @@ int board_eth_init(bd_t *bis);
 int cpu_eth_init(bd_t *bis);
 
 /* Driver initialization prototypes */
+int altera_tse_initialize(u8 dev_num, int mac_base,
+                         int sgdma_rx_base, int sgdma_tx_base);
 int au1x00_enet_initialize(bd_t*);
 int at91emac_register(bd_t *bis, unsigned long iobase);
 int bfin_EMAC_initialize(bd_t *bis);