Scott McNutt wrote:
> Hi Wolfgang,
>
> Do we have a network drivers custodian? ... or should I just handle
> this patch through the nios repository? I'm guessing that this will
> only be used with nios2 in the near term. I'm not sure if any Microblaze
> (Xilinx) folks have worked with this -- perhaps Michal can comment?
It is possible to use it but we don't work with it.
Regards,
Michal
>
> Regards,
> --Scott
>
> Thomas Chou wrote:
>> This patch ports the opencore 10/100 ethernet mac driver ethoc.c
>> from linux kernel to u-boot.
>>
>> Signed-off-by: Thomas Chou <tho...@wytron.com.tw>
>> ---
>> drivers/net/Makefile | 1 +
>> drivers/net/ethoc.c | 533
>> ++++++++++++++++++++++++++++++++++++++++++++++++++
>> include/netdev.h | 1 +
>> 3 files changed, 535 insertions(+), 0 deletions(-)
>> create mode 100644 drivers/net/ethoc.c
>>
>> diff --git a/drivers/net/Makefile b/drivers/net/Makefile
>> index 1ec0ba1..0e68e52 100644
>> --- a/drivers/net/Makefile
>> +++ b/drivers/net/Makefile
>> @@ -39,6 +39,7 @@ COBJS-$(CONFIG_E1000) += e1000.o
>> COBJS-$(CONFIG_EEPRO100) += eepro100.o
>> COBJS-$(CONFIG_ENC28J60) += enc28j60.o
>> COBJS-$(CONFIG_EP93XX) += ep93xx_eth.o
>> +COBJS-$(CONFIG_ETHOC) += ethoc.o
>> COBJS-$(CONFIG_FEC_MXC) += fec_mxc.o
>> COBJS-$(CONFIG_FSLDMAFEC) += fsl_mcdmafec.o mcfmii.o
>> COBJS-$(CONFIG_FTMAC100) += ftmac100.o
>> diff --git a/drivers/net/ethoc.c b/drivers/net/ethoc.c
>> new file mode 100644
>> index 0000000..c1eb239
>> --- /dev/null
>> +++ b/drivers/net/ethoc.c
>> @@ -0,0 +1,533 @@
>> +/*
>> + * Opencore 10/100 ethernet mac driver
>> + *
>> + * Copyright (C) 2007-2008 Avionic Design Development GmbH
>> + * Copyright (C) 2008-2009 Avionic Design GmbH
>> + * Thierry Reding <thierry.red...@avionic-design.de>
>> + * Copyright (C) 2010 Thomas Chou <tho...@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 <common.h>
>> +#include <command.h>
>> +#include <malloc.h>
>> +#include <net.h>
>> +#include <miiphy.h>
>> +#include <asm/io.h>
>> +#include <asm/cache.h>
>> +
>> +/* register offsets */
>> +#define MODER 0x00
>> +#define INT_SOURCE 0x04
>> +#define INT_MASK 0x08
>> +#define IPGT 0x0c
>> +#define IPGR1 0x10
>> +#define IPGR2 0x14
>> +#define PACKETLEN 0x18
>> +#define COLLCONF 0x1c
>> +#define TX_BD_NUM 0x20
>> +#define CTRLMODER 0x24
>> +#define MIIMODER 0x28
>> +#define MIICOMMAND 0x2c
>> +#define MIIADDRESS 0x30
>> +#define MIITX_DATA 0x34
>> +#define MIIRX_DATA 0x38
>> +#define MIISTATUS 0x3c
>> +#define MAC_ADDR0 0x40
>> +#define MAC_ADDR1 0x44
>> +#define ETH_HASH0 0x48
>> +#define ETH_HASH1 0x4c
>> +#define ETH_TXCTRL 0x50
>> +
>> +/* mode register */
>> +#define MODER_RXEN (1 << 0) /* receive enable */
>> +#define MODER_TXEN (1 << 1) /* transmit enable */
>> +#define MODER_NOPRE (1 << 2) /* no preamble */
>> +#define MODER_BRO (1 << 3) /* broadcast address */
>> +#define MODER_IAM (1 << 4) /* individual address mode */
>> +#define MODER_PRO (1 << 5) /* promiscuous mode */
>> +#define MODER_IFG (1 << 6) /* interframe gap for incoming
>> frames */
>> +#define MODER_LOOP (1 << 7) /* loopback */
>> +#define MODER_NBO (1 << 8) /* no back-off */
>> +#define MODER_EDE (1 << 9) /* excess defer enable */
>> +#define MODER_FULLD (1 << 10) /* full duplex */
>> +#define MODER_RESET (1 << 11) /* FIXME: reset (undocumented) */
>> +#define MODER_DCRC (1 << 12) /* delayed CRC enable */
>> +#define MODER_CRC (1 << 13) /* CRC enable */
>> +#define MODER_HUGE (1 << 14) /* huge packets enable */
>> +#define MODER_PAD (1 << 15) /* padding enabled */
>> +#define MODER_RSM (1 << 16) /* receive small packets */
>> +
>> +/* interrupt source and mask registers */
>> +#define INT_MASK_TXF (1 << 0) /* transmit frame */
>> +#define INT_MASK_TXE (1 << 1) /* transmit error */
>> +#define INT_MASK_RXF (1 << 2) /* receive frame */
>> +#define INT_MASK_RXE (1 << 3) /* receive error */
>> +#define INT_MASK_BUSY (1 << 4)
>> +#define INT_MASK_TXC (1 << 5) /* transmit control frame */
>> +#define INT_MASK_RXC (1 << 6) /* receive control frame */
>> +
>> +#define INT_MASK_TX (INT_MASK_TXF | INT_MASK_TXE)
>> +#define INT_MASK_RX (INT_MASK_RXF | INT_MASK_RXE)
>> +
>> +#define INT_MASK_ALL ( \
>> + INT_MASK_TXF | INT_MASK_TXE | \
>> + INT_MASK_RXF | INT_MASK_RXE | \
>> + INT_MASK_TXC | INT_MASK_RXC | \
>> + INT_MASK_BUSY \
>> + )
>> +
>> +/* packet length register */
>> +#define PACKETLEN_MIN(min) (((min) & 0xffff) << 16)
>> +#define PACKETLEN_MAX(max) (((max) & 0xffff) << 0)
>> +#define PACKETLEN_MIN_MAX(min, max) (PACKETLEN_MIN(min) | \
>> + PACKETLEN_MAX(max))
>> +
>> +/* transmit buffer number register */
>> +#define TX_BD_NUM_VAL(x) (((x) <= 0x80) ? (x) : 0x80)
>> +
>> +/* control module mode register */
>> +#define CTRLMODER_PASSALL (1 << 0) /* pass all receive
>> frames */
>> +#define CTRLMODER_RXFLOW (1 << 1) /* receive control flow */
>> +#define CTRLMODER_TXFLOW (1 << 2) /* transmit control flow */
>> +
>> +/* MII mode register */
>> +#define MIIMODER_CLKDIV(x) ((x) & 0xfe) /* needs to be an
>> even number */
>> +#define MIIMODER_NOPRE (1 << 8) /* no preamble */
>> +
>> +/* MII command register */
>> +#define MIICOMMAND_SCAN (1 << 0) /* scan status */
>> +#define MIICOMMAND_READ (1 << 1) /* read status */
>> +#define MIICOMMAND_WRITE (1 << 2) /* write control data */
>> +
>> +/* MII address register */
>> +#define MIIADDRESS_FIAD(x) (((x) & 0x1f) << 0)
>> +#define MIIADDRESS_RGAD(x) (((x) & 0x1f) << 8)
>> +#define MIIADDRESS_ADDR(phy, reg) (MIIADDRESS_FIAD(phy) | \
>> + MIIADDRESS_RGAD(reg))
>> +
>> +/* MII transmit data register */
>> +#define MIITX_DATA_VAL(x) ((x) & 0xffff)
>> +
>> +/* MII receive data register */
>> +#define MIIRX_DATA_VAL(x) ((x) & 0xffff)
>> +
>> +/* MII status register */
>> +#define MIISTATUS_LINKFAIL (1 << 0)
>> +#define MIISTATUS_BUSY (1 << 1)
>> +#define MIISTATUS_INVALID (1 << 2)
>> +
>> +/* TX buffer descriptor */
>> +#define TX_BD_CS (1 << 0) /* carrier sense lost */
>> +#define TX_BD_DF (1 << 1) /* defer indication */
>> +#define TX_BD_LC (1 << 2) /* late collision */
>> +#define TX_BD_RL (1 << 3) /* retransmission limit */
>> +#define TX_BD_RETRY_MASK (0x00f0)
>> +#define TX_BD_RETRY(x) (((x) & 0x00f0) >> 4)
>> +#define TX_BD_UR (1 << 8) /* transmitter underrun */
>> +#define TX_BD_CRC (1 << 11) /* TX CRC enable */
>> +#define TX_BD_PAD (1 << 12) /* pad enable */
>> +#define TX_BD_WRAP (1 << 13)
>> +#define TX_BD_IRQ (1 << 14) /* interrupt request enable */
>> +#define TX_BD_READY (1 << 15) /* TX buffer ready */
>> +#define TX_BD_LEN(x) (((x) & 0xffff) << 16)
>> +#define TX_BD_LEN_MASK (0xffff << 16)
>> +
>> +#define TX_BD_STATS (TX_BD_CS | TX_BD_DF | TX_BD_LC | \
>> + TX_BD_RL | TX_BD_RETRY_MASK | TX_BD_UR)
>> +
>> +/* RX buffer descriptor */
>> +#define RX_BD_LC (1 << 0) /* late collision */
>> +#define RX_BD_CRC (1 << 1) /* RX CRC error */
>> +#define RX_BD_SF (1 << 2) /* short frame */
>> +#define RX_BD_TL (1 << 3) /* too long */
>> +#define RX_BD_DN (1 << 4) /* dribble nibble */
>> +#define RX_BD_IS (1 << 5) /* invalid symbol */
>> +#define RX_BD_OR (1 << 6) /* receiver overrun */
>> +#define RX_BD_MISS (1 << 7)
>> +#define RX_BD_CF (1 << 8) /* control frame */
>> +#define RX_BD_WRAP (1 << 13)
>> +#define RX_BD_IRQ (1 << 14) /* interrupt request enable */
>> +#define RX_BD_EMPTY (1 << 15)
>> +#define RX_BD_LEN(x) (((x) & 0xffff) << 16)
>> +
>> +#define RX_BD_STATS (RX_BD_LC | RX_BD_CRC | RX_BD_SF | RX_BD_TL
>> | \
>> + RX_BD_DN | RX_BD_IS | RX_BD_OR | RX_BD_MISS)
>> +
>> +#define ETHOC_BUFSIZ 1536
>> +#define ETHOC_ZLEN 64
>> +#define ETHOC_BD_BASE 0x400
>> +#define ETHOC_TIMEOUT (HZ / 2)
>> +#define ETHOC_MII_TIMEOUT (1 + (HZ / 5))
>> +
>> +/**
>> + * struct ethoc - driver-private device structure
>> + * @iobase: pointer to I/O memory region
>> + * @membase: pointer to buffer memory region
>> + * @dma_alloc: dma allocated buffer size
>> + * @num_tx: number of send buffers
>> + * @cur_tx: last send buffer written
>> + * @dty_tx: last buffer actually sent
>> + * @num_rx: number of receive buffers
>> + * @cur_rx: current receive buffer
>> + * @netdev: pointer to network device structure
>> + * @napi: NAPI structure
>> + * @stats: network device statistics
>> + * @msg_enable: device state flags
>> + * @rx_lock: receive lock
>> + * @lock: device lock
>> + * @phy: attached PHY
>> + * @mdio: MDIO bus for PHY access
>> + * @phy_id: address of attached PHY
>> + */
>> +struct ethoc {
>> + void *iobase;
>> +
>> + unsigned int num_tx;
>> + unsigned int cur_tx;
>> + unsigned int dty_tx;
>> +
>> + unsigned int num_rx;
>> + unsigned int cur_rx;
>> +
>> + u32 msg_enable;
>> +
>> + s8 phy_id;
>> +};
>> +
>> +/**
>> + * struct ethoc_bd - buffer descriptor
>> + * @stat: buffer statistics
>> + * @addr: physical memory address
>> + */
>> +struct ethoc_bd {
>> + u32 stat;
>> + u32 addr;
>> +};
>> +
>> +static inline u32 ethoc_read(struct ethoc *dev, loff_t offset)
>> +{
>> + return readl(dev->iobase + offset);
>> +}
>> +
>> +static inline void ethoc_write(struct ethoc *dev, loff_t offset, u32
>> data)
>> +{
>> + writel(data, dev->iobase + offset);
>> +}
>> +
>> +static inline void ethoc_read_bd(struct ethoc *dev, int index,
>> + struct ethoc_bd *bd)
>> +{
>> + loff_t offset = ETHOC_BD_BASE + (index * sizeof(struct ethoc_bd));
>> + bd->stat = ethoc_read(dev, offset + 0);
>> + bd->addr = ethoc_read(dev, offset + 4);
>> +}
>> +
>> +static inline void ethoc_write_bd(struct ethoc *dev, int index,
>> + const struct ethoc_bd *bd)
>> +{
>> + loff_t offset = ETHOC_BD_BASE + (index * sizeof(struct ethoc_bd));
>> + ethoc_write(dev, offset + 0, bd->stat);
>> + ethoc_write(dev, offset + 4, bd->addr);
>> +}
>> +
>> +static inline void ethoc_set_mac_address(struct eth_device *dev)
>> +{
>> + struct ethoc *priv = (void *)dev->priv;
>> + u8 *mac = dev->enetaddr;
>> +
>> + ethoc_write(priv, MAC_ADDR0, (mac[2] << 24) | (mac[3] << 16) |
>> + (mac[4] << 8) | (mac[5] << 0));
>> + ethoc_write(priv, MAC_ADDR1, (mac[0] << 8) | (mac[1] << 0));
>> +}
>> +
>> +static inline void ethoc_ack_irq(struct ethoc *dev, u32 mask)
>> +{
>> + ethoc_write(dev, INT_SOURCE, mask);
>> +}
>> +
>> +static inline void ethoc_enable_rx_and_tx(struct ethoc *dev)
>> +{
>> + u32 mode = ethoc_read(dev, MODER);
>> + mode |= MODER_RXEN | MODER_TXEN;
>> + ethoc_write(dev, MODER, mode);
>> +}
>> +
>> +static inline void ethoc_disable_rx_and_tx(struct ethoc *dev)
>> +{
>> + u32 mode = ethoc_read(dev, MODER);
>> + mode &= ~(MODER_RXEN | MODER_TXEN);
>> + ethoc_write(dev, MODER, mode);
>> +}
>> +
>> +static int ethoc_init_ring(struct ethoc *dev)
>> +{
>> + struct ethoc_bd bd;
>> + int i;
>> +
>> + dev->cur_tx = 0;
>> + dev->dty_tx = 0;
>> + dev->cur_rx = 0;
>> +
>> + /* setup transmission buffers */
>> + bd.stat = TX_BD_IRQ | TX_BD_CRC;
>> +
>> + for (i = 0; i < dev->num_tx; i++) {
>> + if (i == dev->num_tx - 1)
>> + bd.stat |= TX_BD_WRAP;
>> +
>> + ethoc_write_bd(dev, i, &bd);
>> + }
>> +
>> + bd.stat = RX_BD_EMPTY | RX_BD_IRQ;
>> +
>> + for (i = 0; i < dev->num_rx; i++) {
>> + bd.addr = (u32)NetRxPackets[i];
>> + if (i == dev->num_rx - 1)
>> + bd.stat |= RX_BD_WRAP;
>> +
>> + flush_dcache(bd.addr, PKTSIZE_ALIGN);
>> + ethoc_write_bd(dev, dev->num_tx + i, &bd);
>> + }
>> +
>> + return 0;
>> +}
>> +
>> +static int ethoc_reset(struct ethoc *dev)
>> +{
>> + u32 mode;
>> +
>> + /* TODO: reset controller? */
>> +
>> + ethoc_disable_rx_and_tx(dev);
>> +
>> + /* TODO: setup registers */
>> +
>> + /* enable FCS generation and automatic padding */
>> + mode = ethoc_read(dev, MODER);
>> + mode |= MODER_CRC | MODER_PAD;
>> + ethoc_write(dev, MODER, mode);
>> +
>> + /* set full-duplex mode */
>> + mode = ethoc_read(dev, MODER);
>> + mode |= MODER_FULLD;
>> + ethoc_write(dev, MODER, mode);
>> + ethoc_write(dev, IPGT, 0x15);
>> +
>> + ethoc_ack_irq(dev, INT_MASK_ALL);
>> + ethoc_enable_rx_and_tx(dev);
>> + return 0;
>> +}
>> +
>> +static int ethoc_init(struct eth_device *dev, bd_t * bd)
>> +{
>> + struct ethoc *priv = (void *)dev->priv;
>> + printf("ethoc\n");
>> +
>> + ethoc_set_mac_address(dev);
>> +
>> + priv->num_tx = 1;
>> + priv->num_rx = PKTBUFSRX;
>> + ethoc_write(priv, TX_BD_NUM, priv->num_tx);
>> + ethoc_init_ring(priv);
>> + ethoc_reset(priv);
>> +
>> + return 0;
>> +}
>> +
>> +static unsigned int ethoc_update_rx_stats(struct ethoc *dev,
>> + struct ethoc_bd *bd)
>> +{
>> + unsigned int ret = 0;
>> +
>> + if (bd->stat & RX_BD_TL) {
>> + debug("ETHOC: " "RX: frame too long\n");
>> + ret++;
>> + }
>> +
>> + if (bd->stat & RX_BD_SF) {
>> + debug("ETHOC: " "RX: frame too short\n");
>> + ret++;
>> + }
>> +
>> + if (bd->stat & RX_BD_DN)
>> + debug("ETHOC: " "RX: dribble nibble\n");
>> +
>> + if (bd->stat & RX_BD_CRC) {
>> + debug("ETHOC: " "RX: wrong CRC\n");
>> + ret++;
>> + }
>> +
>> + if (bd->stat & RX_BD_OR) {
>> + debug("ETHOC: " "RX: overrun\n");
>> + ret++;
>> + }
>> +
>> + if (bd->stat & RX_BD_LC) {
>> + debug("ETHOC: " "RX: late collision\n");
>> + ret++;
>> + }
>> +
>> + return ret;
>> +}
>> +
>> +static int ethoc_rx(struct eth_device *dev, int limit)
>> +{
>> + struct ethoc *priv = (void *)dev->priv;
>> + int count;
>> +
>> + for (count = 0; count < limit; ++count) {
>> + unsigned int entry;
>> + struct ethoc_bd bd;
>> +
>> + entry = priv->num_tx + (priv->cur_rx % priv->num_rx);
>> + ethoc_read_bd(priv, entry, &bd);
>> + if (bd.stat & RX_BD_EMPTY)
>> + break;
>> +
>> + debug("%s(): RX buffer %d, %x received\n",
>> + __func__, priv->cur_rx, bd.stat);
>> + if (ethoc_update_rx_stats(priv, &bd) == 0) {
>> + int size = bd.stat >> 16;
>> + size -= 4; /* strip the CRC */
>> + NetReceive((void *)bd.addr, size);
>> + }
>> +
>> + /* clear the buffer descriptor so it can be reused */
>> + flush_dcache(bd.addr, PKTSIZE_ALIGN);
>> + bd.stat &= ~RX_BD_STATS;
>> + bd.stat |= RX_BD_EMPTY;
>> + ethoc_write_bd(priv, entry, &bd);
>> + priv->cur_rx++;
>> + }
>> +
>> + return count;
>> +}
>> +
>> +static int ethoc_update_tx_stats(struct ethoc *dev, struct ethoc_bd *bd)
>> +{
>> + if (bd->stat & TX_BD_LC)
>> + debug("ETHOC: " "TX: late collision\n");
>> +
>> + if (bd->stat & TX_BD_RL)
>> + debug("ETHOC: " "TX: retransmit limit\n");
>> +
>> + if (bd->stat & TX_BD_UR)
>> + debug("ETHOC: " "TX: underrun\n");
>> +
>> + if (bd->stat & TX_BD_CS)
>> + debug("ETHOC: " "TX: carrier sense lost\n");
>> +
>> + return 0;
>> +}
>> +
>> +static void ethoc_tx(struct eth_device *dev)
>> +{
>> + struct ethoc *priv = (void *)dev->priv;
>> + unsigned int entry = priv->dty_tx % priv->num_tx;
>> + struct ethoc_bd bd;
>> +
>> + ethoc_read_bd(priv, entry, &bd);
>> + if ((bd.stat & TX_BD_READY) == 0)
>> + (void)ethoc_update_tx_stats(priv, &bd);
>> +}
>> +
>> +static int ethoc_send(struct eth_device *dev, volatile void *packet,
>> int length)
>> +{
>> + struct ethoc *priv = (void *)dev->priv;
>> + struct ethoc_bd bd;
>> + unsigned int entry;
>> + u32 pending;
>> + int tmo;
>> +
>> + entry = priv->cur_tx % priv->num_tx;
>> + ethoc_read_bd(priv, entry, &bd);
>> + if (unlikely(length < ETHOC_ZLEN))
>> + bd.stat |= TX_BD_PAD;
>> + else
>> + bd.stat &= ~TX_BD_PAD;
>> + bd.addr = (u32)packet;
>> +
>> + flush_dcache(bd.addr, length);
>> + bd.stat &= ~(TX_BD_STATS | TX_BD_LEN_MASK);
>> + bd.stat |= TX_BD_LEN(length);
>> + ethoc_write_bd(priv, entry, &bd);
>> +
>> + /* start transmit */
>> + bd.stat |= TX_BD_READY;
>> + ethoc_write_bd(priv, entry, &bd);
>> +
>> + /* wait for transfer to succeed */
>> + tmo = get_timer(0) + 5 * CONFIG_SYS_HZ;
>> + while (1) {
>> + pending = ethoc_read(priv, INT_SOURCE);
>> + ethoc_ack_irq(priv, pending & ~INT_MASK_RX);
>> + if (pending & INT_MASK_BUSY)
>> + debug("%s(): packet dropped\n", __func__);
>> +
>> + if (pending & INT_MASK_TX) {
>> + ethoc_tx(dev);
>> + break;
>> + }
>> + if (get_timer(0) >= tmo) {
>> + debug("%s(): timed out\n", __func__);
>> + return -1;
>> + }
>> + }
>> +
>> + debug("%s(): packet sent\n", __func__);
>> + return 0;
>> +}
>> +
>> +static void ethoc_halt(struct eth_device *dev)
>> +{
>> + struct ethoc *priv = (void *)dev->priv;
>> + ethoc_disable_rx_and_tx(priv);
>> +}
>> +
>> +static int ethoc_recv(struct eth_device *dev)
>> +{
>> + struct ethoc *priv = (void *)dev->priv;
>> + u32 pending;
>> +
>> + pending = ethoc_read(priv, INT_SOURCE);
>> + ethoc_ack_irq(priv, pending);
>> + if (pending & INT_MASK_BUSY)
>> + debug("%s(): packet dropped\n", __func__);
>> + if (pending & INT_MASK_RX) {
>> + debug("%s(): rx irq\n", __func__);
>> + ethoc_rx(dev, PKTBUFSRX);
>> + }
>> +
>> + return 0;
>> +}
>> +
>> +int ethoc_initialize(bd_t *bis, int base_addr)
>> +{
>> + struct ethoc *priv;
>> + struct eth_device *dev;
>> +
>> + priv = malloc(sizeof(*priv));
>> + if (!priv)
>> + return 0;
>> + dev = malloc(sizeof(*dev));
>> + if (!dev) {
>> + free(priv);
>> + return 0;
>> + }
>> +
>> + memset(dev, 0, sizeof(*dev));
>> + dev->priv = priv;
>> + priv->iobase = (void *)base_addr;
>> + dev->init = ethoc_init;
>> + dev->halt = ethoc_halt;
>> + dev->send = ethoc_send;
>> + dev->recv = ethoc_recv;
>> + sprintf(dev->name, "%s", "ETHOC");
>> +
>> + eth_register(dev);
>> + return 1;
>> +}
>> diff --git a/include/netdev.h b/include/netdev.h
>> index 1dd80f0..f008323 100644
>> --- a/include/netdev.h
>> +++ b/include/netdev.h
>> @@ -51,6 +51,7 @@ int dnet_eth_initialize(int id, void *regs, unsigned
>> int phy_addr);
>> int e1000_initialize(bd_t *bis);
>> int eepro100_initialize(bd_t *bis);
>> int ep93xx_eth_initialize(u8 dev_num, int base_addr);
>> +int ethoc_initialize(bd_t *bis, int base_addr);
>> int eth_3com_initialize (bd_t * bis);
>> int fec_initialize (bd_t *bis);
>> int fecmxc_initialize (bd_t *bis);
--
Michal Simek, Ing. (M.Eng)
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel 2.6 Microblaze Linux - http://www.monstr.eu/fdt/
Microblaze U-BOOT custodian
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