Commit efdd7319 authored by Rob Herring's avatar Rob Herring Committed by Wolfgang Denk

net: add Calxeda xgmac driver

This adds ethernet driver for Calxeda xgmac found on Highbank SOC.
Signed-off-by: default avatarRob Herring <rob.herring@calxeda.com>

Fix: WARNING: __aligned(size) is preferred over
__attribute__((aligned(size)))
Signed-off-by: default avatarWolfgang Denk <wd@denx.de>
parent dbee61db
...@@ -1029,6 +1029,9 @@ The following options need to be configured: ...@@ -1029,6 +1029,9 @@ The following options need to be configured:
If this defined, the driver is quiet. If this defined, the driver is quiet.
The driver doen't show link status messages. The driver doen't show link status messages.
CONFIG_CALXEDA_XGMAC
Support for the Calxeda XGMAC device
CONFIG_DRIVER_LAN91C96 CONFIG_DRIVER_LAN91C96
Support for SMSC's LAN91C96 chips. Support for SMSC's LAN91C96 chips.
......
...@@ -31,6 +31,7 @@ COBJS-$(CONFIG_ARMADA100_FEC) += armada100_fec.o ...@@ -31,6 +31,7 @@ COBJS-$(CONFIG_ARMADA100_FEC) += armada100_fec.o
COBJS-$(CONFIG_DRIVER_AT91EMAC) += at91_emac.o COBJS-$(CONFIG_DRIVER_AT91EMAC) += at91_emac.o
COBJS-$(CONFIG_DRIVER_AX88180) += ax88180.o COBJS-$(CONFIG_DRIVER_AX88180) += ax88180.o
COBJS-$(CONFIG_BFIN_MAC) += bfin_mac.o COBJS-$(CONFIG_BFIN_MAC) += bfin_mac.o
COBJS-$(CONFIG_CALXEDA_XGMAC) += calxedaxgmac.o
COBJS-$(CONFIG_CS8900) += cs8900.o COBJS-$(CONFIG_CS8900) += cs8900.o
COBJS-$(CONFIG_TULIP) += dc2114x.o COBJS-$(CONFIG_TULIP) += dc2114x.o
COBJS-$(CONFIG_DESIGNWARE_ETH) += designware.o COBJS-$(CONFIG_DESIGNWARE_ETH) += designware.o
......
/*
* Copyright 2010-2011 Calxeda, Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <common.h>
#include <malloc.h>
#include <linux/err.h>
#include <asm/io.h>
#define TX_NUM_DESC 1
#define RX_NUM_DESC 32
#define MAC_TIMEOUT (5*CONFIG_SYS_HZ)
#define ETH_BUF_SZ 2048
#define TX_BUF_SZ (ETH_BUF_SZ * TX_NUM_DESC)
#define RX_BUF_SZ (ETH_BUF_SZ * RX_NUM_DESC)
#define RXSTART 0x00000002
#define TXSTART 0x00002000
#define RXENABLE 0x00000004
#define TXENABLE 0x00000008
#define XGMAC_CONTROL_SPD 0x40000000
#define XGMAC_CONTROL_SPD_MASK 0x60000000
#define XGMAC_CONTROL_SARC 0x10000000
#define XGMAC_CONTROL_SARK_MASK 0x18000000
#define XGMAC_CONTROL_CAR 0x04000000
#define XGMAC_CONTROL_CAR_MASK 0x06000000
#define XGMAC_CONTROL_CAR_SHIFT 25
#define XGMAC_CONTROL_DP 0x01000000
#define XGMAC_CONTROL_WD 0x00800000
#define XGMAC_CONTROL_JD 0x00400000
#define XGMAC_CONTROL_JE 0x00100000
#define XGMAC_CONTROL_LM 0x00001000
#define XGMAC_CONTROL_IPC 0x00000400
#define XGMAC_CONTROL_ACS 0x00000080
#define XGMAC_CONTROL_DDIC 0x00000010
#define XGMAC_CONTROL_TE 0x00000008
#define XGMAC_CONTROL_RE 0x00000004
#define XGMAC_DMA_BUSMODE_RESET 0x00000001
#define XGMAC_DMA_BUSMODE_DSL 0x00000004
#define XGMAC_DMA_BUSMODE_DSL_MASK 0x0000007c
#define XGMAC_DMA_BUSMODE_DSL_SHIFT 2
#define XGMAC_DMA_BUSMODE_ATDS 0x00000080
#define XGMAC_DMA_BUSMODE_PBL_MASK 0x00003f00
#define XGMAC_DMA_BUSMODE_PBL_SHIFT 8
#define XGMAC_DMA_BUSMODE_FB 0x00010000
#define XGMAC_DMA_BUSMODE_USP 0x00800000
#define XGMAC_DMA_BUSMODE_8PBL 0x01000000
#define XGMAC_DMA_BUSMODE_AAL 0x02000000
#define XGMAC_DMA_AXIMODE_ENLPI 0x80000000
#define XGMAC_DMA_AXIMODE_MGK 0x40000000
#define XGMAC_DMA_AXIMODE_WROSR 0x00100000
#define XGMAC_DMA_AXIMODE_WROSR_MASK 0x00F00000
#define XGMAC_DMA_AXIMODE_WROSR_SHIFT 20
#define XGMAC_DMA_AXIMODE_RDOSR 0x00010000
#define XGMAC_DMA_AXIMODE_RDOSR_MASK 0x000F0000
#define XGMAC_DMA_AXIMODE_RDOSR_SHIFT 16
#define XGMAC_DMA_AXIMODE_AAL 0x00001000
#define XGMAC_DMA_AXIMODE_BLEN256 0x00000080
#define XGMAC_DMA_AXIMODE_BLEN128 0x00000040
#define XGMAC_DMA_AXIMODE_BLEN64 0x00000020
#define XGMAC_DMA_AXIMODE_BLEN32 0x00000010
#define XGMAC_DMA_AXIMODE_BLEN16 0x00000008
#define XGMAC_DMA_AXIMODE_BLEN8 0x00000004
#define XGMAC_DMA_AXIMODE_BLEN4 0x00000002
#define XGMAC_DMA_AXIMODE_UNDEF 0x00000001
#define XGMAC_CORE_OMR_RTC_SHIFT 3
#define XGMAC_CORE_OMR_RTC_MASK 0x00000018
#define XGMAC_CORE_OMR_RTC 0x00000010
#define XGMAC_CORE_OMR_RSF 0x00000020
#define XGMAC_CORE_OMR_DT 0x00000040
#define XGMAC_CORE_OMR_FEF 0x00000080
#define XGMAC_CORE_OMR_EFC 0x00000100
#define XGMAC_CORE_OMR_RFA_SHIFT 9
#define XGMAC_CORE_OMR_RFA_MASK 0x00000E00
#define XGMAC_CORE_OMR_RFD_SHIFT 12
#define XGMAC_CORE_OMR_RFD_MASK 0x00007000
#define XGMAC_CORE_OMR_TTC_SHIFT 16
#define XGMAC_CORE_OMR_TTC_MASK 0x00030000
#define XGMAC_CORE_OMR_TTC 0x00020000
#define XGMAC_CORE_OMR_FTF 0x00100000
#define XGMAC_CORE_OMR_TSF 0x00200000
#define FIFO_MINUS_1K 0x0
#define FIFO_MINUS_2K 0x1
#define FIFO_MINUS_3K 0x2
#define FIFO_MINUS_4K 0x3
#define FIFO_MINUS_6K 0x4
#define FIFO_MINUS_8K 0x5
#define FIFO_MINUS_12K 0x6
#define FIFO_MINUS_16K 0x7
#define XGMAC_CORE_FLOW_PT_SHIFT 16
#define XGMAC_CORE_FLOW_PT_MASK 0xFFFF0000
#define XGMAC_CORE_FLOW_PT 0x00010000
#define XGMAC_CORE_FLOW_DZQP 0x00000080
#define XGMAC_CORE_FLOW_PLT_SHIFT 4
#define XGMAC_CORE_FLOW_PLT_MASK 0x00000030
#define XGMAC_CORE_FLOW_PLT 0x00000010
#define XGMAC_CORE_FLOW_UP 0x00000008
#define XGMAC_CORE_FLOW_RFE 0x00000004
#define XGMAC_CORE_FLOW_TFE 0x00000002
#define XGMAC_CORE_FLOW_FCB 0x00000001
/* XGMAC Descriptor Defines */
#define MAX_DESC_BUF_SZ (0x2000 - 8)
#define RXDESC_EXT_STATUS 0x00000001
#define RXDESC_CRC_ERR 0x00000002
#define RXDESC_RX_ERR 0x00000008
#define RXDESC_RX_WDOG 0x00000010
#define RXDESC_FRAME_TYPE 0x00000020
#define RXDESC_GIANT_FRAME 0x00000080
#define RXDESC_LAST_SEG 0x00000100
#define RXDESC_FIRST_SEG 0x00000200
#define RXDESC_VLAN_FRAME 0x00000400
#define RXDESC_OVERFLOW_ERR 0x00000800
#define RXDESC_LENGTH_ERR 0x00001000
#define RXDESC_SA_FILTER_FAIL 0x00002000
#define RXDESC_DESCRIPTOR_ERR 0x00004000
#define RXDESC_ERROR_SUMMARY 0x00008000
#define RXDESC_FRAME_LEN_OFFSET 16
#define RXDESC_FRAME_LEN_MASK 0x3fff0000
#define RXDESC_DA_FILTER_FAIL 0x40000000
#define RXDESC1_END_RING 0x00008000
#define RXDESC_IP_PAYLOAD_MASK 0x00000003
#define RXDESC_IP_PAYLOAD_UDP 0x00000001
#define RXDESC_IP_PAYLOAD_TCP 0x00000002
#define RXDESC_IP_PAYLOAD_ICMP 0x00000003
#define RXDESC_IP_HEADER_ERR 0x00000008
#define RXDESC_IP_PAYLOAD_ERR 0x00000010
#define RXDESC_IPV4_PACKET 0x00000040
#define RXDESC_IPV6_PACKET 0x00000080
#define TXDESC_UNDERFLOW_ERR 0x00000001
#define TXDESC_JABBER_TIMEOUT 0x00000002
#define TXDESC_LOCAL_FAULT 0x00000004
#define TXDESC_REMOTE_FAULT 0x00000008
#define TXDESC_VLAN_FRAME 0x00000010
#define TXDESC_FRAME_FLUSHED 0x00000020
#define TXDESC_IP_HEADER_ERR 0x00000040
#define TXDESC_PAYLOAD_CSUM_ERR 0x00000080
#define TXDESC_ERROR_SUMMARY 0x00008000
#define TXDESC_SA_CTRL_INSERT 0x00040000
#define TXDESC_SA_CTRL_REPLACE 0x00080000
#define TXDESC_2ND_ADDR_CHAINED 0x00100000
#define TXDESC_END_RING 0x00200000
#define TXDESC_CSUM_IP 0x00400000
#define TXDESC_CSUM_IP_PAYLD 0x00800000
#define TXDESC_CSUM_ALL 0x00C00000
#define TXDESC_CRC_EN_REPLACE 0x01000000
#define TXDESC_CRC_EN_APPEND 0x02000000
#define TXDESC_DISABLE_PAD 0x04000000
#define TXDESC_FIRST_SEG 0x10000000
#define TXDESC_LAST_SEG 0x20000000
#define TXDESC_INTERRUPT 0x40000000
#define DESC_OWN 0x80000000
#define DESC_BUFFER1_SZ_MASK 0x00001fff
#define DESC_BUFFER2_SZ_MASK 0x1fff0000
#define DESC_BUFFER2_SZ_OFFSET 16
struct xgmac_regs {
u32 config;
u32 framefilter;
u32 resv_1[4];
u32 flow_control;
u32 vlantag;
u32 version;
u32 vlaninclude;
u32 resv_2[2];
u32 pacestretch;
u32 vlanhash;
u32 resv_3;
u32 intreg;
struct {
u32 hi; /* 0x40 */
u32 lo; /* 0x44 */
} macaddr[16];
u32 resv_4[0xd0];
u32 core_opmode; /* 0x400 */
u32 resv_5[0x2bf];
u32 busmode; /* 0xf00 */
u32 txpoll;
u32 rxpoll;
u32 rxdesclist;
u32 txdesclist;
u32 dma_status;
u32 dma_opmode;
u32 intenable;
u32 resv_6[2];
u32 axi_mode; /* 0xf28 */
};
struct xgmac_dma_desc {
__le32 flags;
__le32 buf_size;
__le32 buf1_addr; /* Buffer 1 Address Pointer */
__le32 buf2_addr; /* Buffer 2 Address Pointer */
__le32 ext_status;
__le32 res[3];
};
/* XGMAC Descriptor Access Helpers */
static inline void desc_set_buf_len(struct xgmac_dma_desc *p, u32 buf_sz)
{
if (buf_sz > MAX_DESC_BUF_SZ)
p->buf_size = cpu_to_le32(MAX_DESC_BUF_SZ |
(buf_sz - MAX_DESC_BUF_SZ) << DESC_BUFFER2_SZ_OFFSET);
else
p->buf_size = cpu_to_le32(buf_sz);
}
static inline int desc_get_buf_len(struct xgmac_dma_desc *p)
{
u32 len = le32_to_cpu(p->buf_size);
return (len & DESC_BUFFER1_SZ_MASK) +
((len & DESC_BUFFER2_SZ_MASK) >> DESC_BUFFER2_SZ_OFFSET);
}
static inline void desc_init_rx_desc(struct xgmac_dma_desc *p, int ring_size,
int buf_sz)
{
struct xgmac_dma_desc *end = p + ring_size - 1;
memset(p, 0, sizeof(*p) * ring_size);
for (; p <= end; p++)
desc_set_buf_len(p, buf_sz);
end->buf_size |= cpu_to_le32(RXDESC1_END_RING);
}
static inline void desc_init_tx_desc(struct xgmac_dma_desc *p, u32 ring_size)
{
memset(p, 0, sizeof(*p) * ring_size);
p[ring_size - 1].flags = cpu_to_le32(TXDESC_END_RING);
}
static inline int desc_get_owner(struct xgmac_dma_desc *p)
{
return le32_to_cpu(p->flags) & DESC_OWN;
}
static inline void desc_set_rx_owner(struct xgmac_dma_desc *p)
{
/* Clear all fields and set the owner */
p->flags = cpu_to_le32(DESC_OWN);
}
static inline void desc_set_tx_owner(struct xgmac_dma_desc *p, u32 flags)
{
u32 tmpflags = le32_to_cpu(p->flags);
tmpflags &= TXDESC_END_RING;
tmpflags |= flags | DESC_OWN;
p->flags = cpu_to_le32(tmpflags);
}
static inline void *desc_get_buf_addr(struct xgmac_dma_desc *p)
{
return (void *)le32_to_cpu(p->buf1_addr);
}
static inline void desc_set_buf_addr(struct xgmac_dma_desc *p,
void *paddr, int len)
{
p->buf1_addr = cpu_to_le32(paddr);
if (len > MAX_DESC_BUF_SZ)
p->buf2_addr = cpu_to_le32(paddr + MAX_DESC_BUF_SZ);
}
static inline void desc_set_buf_addr_and_size(struct xgmac_dma_desc *p,
void *paddr, int len)
{
desc_set_buf_len(p, len);
desc_set_buf_addr(p, paddr, len);
}
static inline int desc_get_rx_frame_len(struct xgmac_dma_desc *p)
{
u32 data = le32_to_cpu(p->flags);
u32 len = (data & RXDESC_FRAME_LEN_MASK) >> RXDESC_FRAME_LEN_OFFSET;
if (data & RXDESC_FRAME_TYPE)
len -= 4;
return len;
}
struct calxeda_eth_dev {
struct xgmac_dma_desc rx_chain[RX_NUM_DESC];
struct xgmac_dma_desc tx_chain[TX_NUM_DESC];
char rxbuffer[RX_BUF_SZ];
u32 tx_currdesc;
u32 rx_currdesc;
struct eth_device *dev;
} __aligned(32);
/*
* Initialize a descriptor ring. Calxeda XGMAC is configured to use
* advanced descriptors.
*/
static void init_rx_desc(struct calxeda_eth_dev *priv)
{
struct xgmac_dma_desc *rxdesc = priv->rx_chain;
struct xgmac_regs *regs = (struct xgmac_regs *)priv->dev->iobase;
void *rxbuffer = priv->rxbuffer;
int i;
desc_init_rx_desc(rxdesc, RX_NUM_DESC, ETH_BUF_SZ);
writel((ulong)rxdesc, &regs->rxdesclist);
for (i = 0; i < RX_NUM_DESC; i++) {
desc_set_buf_addr(rxdesc + i, rxbuffer + (i * ETH_BUF_SZ),
ETH_BUF_SZ);
desc_set_rx_owner(rxdesc + i);
}
}
static void init_tx_desc(struct calxeda_eth_dev *priv)
{
struct xgmac_regs *regs = (struct xgmac_regs *)priv->dev->iobase;
desc_init_tx_desc(priv->tx_chain, TX_NUM_DESC);
writel((ulong)priv->tx_chain, &regs->txdesclist);
}
static int xgmac_reset(struct eth_device *dev)
{
struct xgmac_regs *regs = (struct xgmac_regs *)dev->iobase;
int timeout = MAC_TIMEOUT;
u32 value;
value = readl(&regs->config) & XGMAC_CONTROL_SPD_MASK;
writel(XGMAC_DMA_BUSMODE_RESET, &regs->busmode);
while ((timeout-- >= 0) &&
(readl(&regs->busmode) & XGMAC_DMA_BUSMODE_RESET))
udelay(1);
writel(value, &regs->config);
return timeout;
}
static void xgmac_hwmacaddr(struct eth_device *dev)
{
struct xgmac_regs *regs = (struct xgmac_regs *)dev->iobase;
u32 macaddr[2];
memcpy(macaddr, dev->enetaddr, 6);
writel(macaddr[1], &regs->macaddr[0].hi);
writel(macaddr[0], &regs->macaddr[0].lo);
}
static int xgmac_init(struct eth_device *dev, bd_t * bis)
{
struct xgmac_regs *regs = (struct xgmac_regs *)dev->iobase;
struct calxeda_eth_dev *priv = dev->priv;
int value;
if (xgmac_reset(dev) < 0)
return -1;
/* set the hardware MAC address */
xgmac_hwmacaddr(dev);
/* set the AXI bus modes */
value = XGMAC_DMA_BUSMODE_ATDS |
(16 << XGMAC_DMA_BUSMODE_PBL_SHIFT) |
XGMAC_DMA_BUSMODE_FB | XGMAC_DMA_BUSMODE_AAL;
writel(value, &regs->busmode);
value = XGMAC_DMA_AXIMODE_AAL | XGMAC_DMA_AXIMODE_BLEN16 |
XGMAC_DMA_AXIMODE_BLEN8 | XGMAC_DMA_AXIMODE_BLEN4;
writel(value, &regs->axi_mode);
/* set flow control parameters and store and forward mode */
value = (FIFO_MINUS_12K << XGMAC_CORE_OMR_RFD_SHIFT) |
(FIFO_MINUS_4K << XGMAC_CORE_OMR_RFA_SHIFT) |
XGMAC_CORE_OMR_EFC | XGMAC_CORE_OMR_TSF | XGMAC_CORE_OMR_RSF;
writel(value, &regs->core_opmode);
/* enable pause frames */
value = (1024 << XGMAC_CORE_FLOW_PT_SHIFT) |
(1 << XGMAC_CORE_FLOW_PLT_SHIFT) |
XGMAC_CORE_FLOW_UP | XGMAC_CORE_FLOW_RFE | XGMAC_CORE_FLOW_TFE;
writel(value, &regs->flow_control);
/* Initialize the descriptor chains */
init_rx_desc(priv);
init_tx_desc(priv);
/* must set to 0, or when started up will cause issues */
priv->tx_currdesc = 0;
priv->rx_currdesc = 0;
/* set default core values */
value = readl(&regs->config);
value &= XGMAC_CONTROL_SPD_MASK;
value |= XGMAC_CONTROL_DDIC | XGMAC_CONTROL_ACS |
XGMAC_CONTROL_IPC | XGMAC_CONTROL_CAR;
/* Everything is ready enable both mac and DMA */
value |= RXENABLE | TXENABLE;
writel(value, &regs->config);
value = readl(&regs->dma_opmode);
value |= RXSTART | TXSTART;
writel(value, &regs->dma_opmode);
return 0;
}
static int xgmac_tx(struct eth_device *dev, volatile void *packet, int length)
{
struct xgmac_regs *regs = (struct xgmac_regs *)dev->iobase;
struct calxeda_eth_dev *priv = dev->priv;
u32 currdesc = priv->tx_currdesc;
struct xgmac_dma_desc *txdesc = &priv->tx_chain[currdesc];
int timeout;
desc_set_buf_addr_and_size(txdesc, (void *)packet, length);
desc_set_tx_owner(txdesc, TXDESC_FIRST_SEG |
TXDESC_LAST_SEG | TXDESC_CRC_EN_APPEND);
/* write poll demand */
writel(1, &regs->txpoll);
timeout = 1000000;
while (desc_get_owner(txdesc)) {
if (timeout-- < 0) {
printf("xgmac: TX timeout\n");
return -ETIMEDOUT;
}
udelay(1);
}
priv->tx_currdesc = (currdesc + 1) & (TX_NUM_DESC - 1);
return 0;
}
static int xgmac_rx(struct eth_device *dev)
{
struct xgmac_regs *regs = (struct xgmac_regs *)dev->iobase;
struct calxeda_eth_dev *priv = dev->priv;
u32 currdesc = priv->rx_currdesc;
struct xgmac_dma_desc *rxdesc = &priv->rx_chain[currdesc];
int length = 0;
/* check if the host has the desc */
if (desc_get_owner(rxdesc))
return -1; /* something bad happened */
length = desc_get_rx_frame_len(rxdesc);
NetReceive((volatile unsigned char *)desc_get_buf_addr(rxdesc), length);
/* set descriptor back to owned by XGMAC */
desc_set_rx_owner(rxdesc);
writel(1, &regs->rxpoll);
priv->rx_currdesc = (currdesc + 1) & (RX_NUM_DESC - 1);
return length;
}
static void xgmac_halt(struct eth_device *dev)
{
struct xgmac_regs *regs = (struct xgmac_regs *)dev->iobase;
struct calxeda_eth_dev *priv = dev->priv;
int value;
/* Disable TX/RX */
value = readl(&regs->config);
value &= ~(RXENABLE | TXENABLE);
writel(value, &regs->config);
/* Disable DMA */
value = readl(&regs->dma_opmode);
value &= ~(RXSTART | TXSTART);
writel(value, &regs->dma_opmode);
/* must set to 0, or when started up will cause issues */
priv->tx_currdesc = 0;
priv->rx_currdesc = 0;
}
int calxedaxgmac_initialize(u32 id, ulong base_addr)
{
struct eth_device *dev;
struct calxeda_eth_dev *priv;
struct xgmac_regs *regs;
u32 macaddr[2];
regs = (struct xgmac_regs *)base_addr;
/* check hardware version */
if (readl(&regs->version) != 0x1012)
return -1;
dev = malloc(sizeof(*dev));
if (!dev)
return 0;
memset(dev, 0, sizeof(*dev));
/* Structure must be aligned, because it contains the descriptors */
priv = memalign(32, sizeof(*priv));
if (!priv) {
free(dev);
return 0;
}
dev->iobase = (int)base_addr;
dev->priv = priv;
priv->dev = dev;
sprintf(dev->name, "xgmac%d", id);
/* The MAC address is already configured, so read it from registers. */
macaddr[1] = readl(&regs->macaddr[0].hi);
macaddr[0] = readl(&regs->macaddr[0].lo);
memcpy(dev->enetaddr, macaddr, 6);
dev->init = xgmac_init;
dev->send = xgmac_tx;
dev->recv = xgmac_rx;
dev->halt = xgmac_halt;
eth_register(dev);
return 1;
}
...@@ -48,6 +48,7 @@ int at91emac_register(bd_t *bis, unsigned long iobase); ...@@ -48,6 +48,7 @@ int at91emac_register(bd_t *bis, unsigned long iobase);
int au1x00_enet_initialize(bd_t*); int au1x00_enet_initialize(bd_t*);
int ax88180_initialize(bd_t *bis); int ax88180_initialize(bd_t *bis);
int bfin_EMAC_initialize(bd_t *bis); int bfin_EMAC_initialize(bd_t *bis);
int calxedaxgmac_initialize(u32 id, ulong base_addr);
int cs8900_initialize(u8 dev_num, int base_addr); int cs8900_initialize(u8 dev_num, int base_addr);
int davinci_emac_initialize(void); int davinci_emac_initialize(void);
int dc21x4x_initialize(bd_t *bis); int dc21x4x_initialize(bd_t *bis);
......
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