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path: root/drivers/net/fm/eth.c
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Diffstat (limited to 'drivers/net/fm/eth.c')
-rw-r--r--drivers/net/fm/eth.c670
1 files changed, 670 insertions, 0 deletions
diff --git a/drivers/net/fm/eth.c b/drivers/net/fm/eth.c
new file mode 100644
index 0000000..308d610
--- /dev/null
+++ b/drivers/net/fm/eth.c
@@ -0,0 +1,670 @@
+/*
+ * Copyright 2009-2011 Freescale Semiconductor, Inc.
+ * Dave Liu <daveliu@freescale.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <common.h>
+#include <asm/io.h>
+#include <malloc.h>
+#include <net.h>
+#include <hwconfig.h>
+#include <fm_eth.h>
+#include <fsl_mdio.h>
+#include <miiphy.h>
+#include <phy.h>
+#include <asm/fsl_dtsec.h>
+#include <asm/fsl_tgec.h>
+
+#include "fm.h"
+
+static struct eth_device *devlist[NUM_FM_PORTS];
+static int num_controllers;
+
+#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) && !defined(BITBANGMII)
+
+#define TBIANA_SETTINGS (TBIANA_ASYMMETRIC_PAUSE | TBIANA_SYMMETRIC_PAUSE | \
+ TBIANA_FULL_DUPLEX)
+
+#define TBIANA_SGMII_ACK 0x4001
+
+#define TBICR_SETTINGS (TBICR_ANEG_ENABLE | TBICR_RESTART_ANEG | \
+ TBICR_FULL_DUPLEX | TBICR_SPEED1_SET)
+
+/* Configure the TBI for SGMII operation */
+void dtsec_configure_serdes(struct fm_eth *priv)
+{
+ struct dtsec *regs = priv->mac->base;
+ struct tsec_mii_mng *phyregs = priv->mac->phyregs;
+
+ /*
+ * Access TBI PHY registers at given TSEC register offset as
+ * opposed to the register offset used for external PHY accesses
+ */
+ tsec_local_mdio_write(phyregs, in_be32(&regs->tbipa), 0, TBI_TBICON,
+ TBICON_CLK_SELECT);
+ tsec_local_mdio_write(phyregs, in_be32(&regs->tbipa), 0, TBI_ANA,
+ TBIANA_SGMII_ACK);
+ tsec_local_mdio_write(phyregs, in_be32(&regs->tbipa), 0,
+ TBI_CR, TBICR_SETTINGS);
+}
+
+static void dtsec_init_phy(struct eth_device *dev)
+{
+ struct fm_eth *fm_eth = dev->priv;
+ struct dtsec *regs = (struct dtsec *)fm_eth->mac->base;
+
+ /* Assign a Physical address to the TBI */
+ out_be32(&regs->tbipa, CONFIG_SYS_TBIPA_VALUE);
+
+ if (fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII)
+ dtsec_configure_serdes(fm_eth);
+}
+
+static int tgec_is_fibre(struct eth_device *dev)
+{
+ struct fm_eth *fm = dev->priv;
+ char phyopt[20];
+
+ sprintf(phyopt, "fsl_fm%d_xaui_phy", fm->fm_index + 1);
+
+ return hwconfig_arg_cmp(phyopt, "xfi");
+}
+#endif
+
+static u16 muram_readw(u16 *addr)
+{
+ u32 base = (u32)addr & ~0x3;
+ u32 val32 = *(u32 *)base;
+ int byte_pos;
+ u16 ret;
+
+ byte_pos = (u32)addr & 0x3;
+ if (byte_pos)
+ ret = (u16)(val32 & 0x0000ffff);
+ else
+ ret = (u16)((val32 & 0xffff0000) >> 16);
+
+ return ret;
+}
+
+static void muram_writew(u16 *addr, u16 val)
+{
+ u32 base = (u32)addr & ~0x3;
+ u32 org32 = *(u32 *)base;
+ u32 val32;
+ int byte_pos;
+
+ byte_pos = (u32)addr & 0x3;
+ if (byte_pos)
+ val32 = (org32 & 0xffff0000) | val;
+ else
+ val32 = (org32 & 0x0000ffff) | ((u32)val << 16);
+
+ *(u32 *)base = val32;
+}
+
+static void bmi_rx_port_disable(struct fm_bmi_rx_port *rx_port)
+{
+ int timeout = 1000000;
+
+ clrbits_be32(&rx_port->fmbm_rcfg, FMBM_RCFG_EN);
+
+ /* wait until the rx port is not busy */
+ while ((in_be32(&rx_port->fmbm_rst) & FMBM_RST_BSY) && timeout--)
+ ;
+}
+
+static void bmi_rx_port_init(struct fm_bmi_rx_port *rx_port)
+{
+ /* set BMI to independent mode, Rx port disable */
+ out_be32(&rx_port->fmbm_rcfg, FMBM_RCFG_IM);
+ /* clear FOF in IM case */
+ out_be32(&rx_port->fmbm_rim, 0);
+ /* Rx frame next engine -RISC */
+ out_be32(&rx_port->fmbm_rfne, NIA_ENG_RISC | NIA_RISC_AC_IM_RX);
+ /* Rx command attribute - no order, MR[3] = 1 */
+ clrbits_be32(&rx_port->fmbm_rfca, FMBM_RFCA_ORDER | FMBM_RFCA_MR_MASK);
+ setbits_be32(&rx_port->fmbm_rfca, FMBM_RFCA_MR(4));
+ /* enable Rx statistic counters */
+ out_be32(&rx_port->fmbm_rstc, FMBM_RSTC_EN);
+ /* disable Rx performance counters */
+ out_be32(&rx_port->fmbm_rpc, 0);
+}
+
+static void bmi_tx_port_disable(struct fm_bmi_tx_port *tx_port)
+{
+ int timeout = 1000000;
+
+ clrbits_be32(&tx_port->fmbm_tcfg, FMBM_TCFG_EN);
+
+ /* wait until the tx port is not busy */
+ while ((in_be32(&tx_port->fmbm_tst) & FMBM_TST_BSY) && timeout--)
+ ;
+}
+
+static void bmi_tx_port_init(struct fm_bmi_tx_port *tx_port)
+{
+ /* set BMI to independent mode, Tx port disable */
+ out_be32(&tx_port->fmbm_tcfg, FMBM_TCFG_IM);
+ /* Tx frame next engine -RISC */
+ out_be32(&tx_port->fmbm_tfne, NIA_ENG_RISC | NIA_RISC_AC_IM_TX);
+ out_be32(&tx_port->fmbm_tfene, NIA_ENG_RISC | NIA_RISC_AC_IM_TX);
+ /* Tx command attribute - no order, MR[3] = 1 */
+ clrbits_be32(&tx_port->fmbm_tfca, FMBM_TFCA_ORDER | FMBM_TFCA_MR_MASK);
+ setbits_be32(&tx_port->fmbm_tfca, FMBM_TFCA_MR(4));
+ /* enable Tx statistic counters */
+ out_be32(&tx_port->fmbm_tstc, FMBM_TSTC_EN);
+ /* disable Tx performance counters */
+ out_be32(&tx_port->fmbm_tpc, 0);
+}
+
+static int fm_eth_rx_port_parameter_init(struct fm_eth *fm_eth)
+{
+ struct fm_port_global_pram *pram;
+ u32 pram_page_offset;
+ void *rx_bd_ring_base;
+ void *rx_buf_pool;
+ struct fm_port_bd *rxbd;
+ struct fm_port_qd *rxqd;
+ struct fm_bmi_rx_port *bmi_rx_port = fm_eth->rx_port;
+ int i;
+
+ /* alloc global parameter ram at MURAM */
+ pram = (struct fm_port_global_pram *)fm_muram_alloc(fm_eth->fm_index,
+ FM_PRAM_SIZE, FM_PRAM_ALIGN);
+ fm_eth->rx_pram = pram;
+
+ /* parameter page offset to MURAM */
+ pram_page_offset = (u32)pram - fm_muram_base(fm_eth->fm_index);
+
+ /* enable global mode- snooping data buffers and BDs */
+ pram->mode = PRAM_MODE_GLOBAL;
+
+ /* init the Rx queue descriptor pionter */
+ pram->rxqd_ptr = pram_page_offset + 0x20;
+
+ /* set the max receive buffer length, power of 2 */
+ muram_writew(&pram->mrblr, MAX_RXBUF_LOG2);
+
+ /* alloc Rx buffer descriptors from main memory */
+ rx_bd_ring_base = malloc(sizeof(struct fm_port_bd)
+ * RX_BD_RING_SIZE);
+ if (!rx_bd_ring_base)
+ return 0;
+ memset(rx_bd_ring_base, 0, sizeof(struct fm_port_bd)
+ * RX_BD_RING_SIZE);
+
+ /* alloc Rx buffer from main memory */
+ rx_buf_pool = malloc(MAX_RXBUF_LEN * RX_BD_RING_SIZE);
+ if (!rx_buf_pool)
+ return 0;
+ memset(rx_buf_pool, 0, MAX_RXBUF_LEN * RX_BD_RING_SIZE);
+
+ /* save them to fm_eth */
+ fm_eth->rx_bd_ring = rx_bd_ring_base;
+ fm_eth->cur_rxbd = rx_bd_ring_base;
+ fm_eth->rx_buf = rx_buf_pool;
+
+ /* init Rx BDs ring */
+ rxbd = (struct fm_port_bd *)rx_bd_ring_base;
+ for (i = 0; i < RX_BD_RING_SIZE; i++) {
+ rxbd->status = RxBD_EMPTY;
+ rxbd->len = 0;
+ rxbd->buf_ptr_hi = 0;
+ rxbd->buf_ptr_lo = (u32)rx_buf_pool + i * MAX_RXBUF_LEN;
+ rxbd++;
+ }
+
+ /* set the Rx queue descriptor */
+ rxqd = &pram->rxqd;
+ muram_writew(&rxqd->gen, 0);
+ muram_writew(&rxqd->bd_ring_base_hi, 0);
+ rxqd->bd_ring_base_lo = (u32)rx_bd_ring_base;
+ muram_writew(&rxqd->bd_ring_size, sizeof(struct fm_port_bd)
+ * RX_BD_RING_SIZE);
+ muram_writew(&rxqd->offset_in, 0);
+ muram_writew(&rxqd->offset_out, 0);
+
+ /* set IM parameter ram pointer to Rx Frame Queue ID */
+ out_be32(&bmi_rx_port->fmbm_rfqid, pram_page_offset);
+
+ return 1;
+}
+
+static int fm_eth_tx_port_parameter_init(struct fm_eth *fm_eth)
+{
+ struct fm_port_global_pram *pram;
+ u32 pram_page_offset;
+ void *tx_bd_ring_base;
+ struct fm_port_bd *txbd;
+ struct fm_port_qd *txqd;
+ struct fm_bmi_tx_port *bmi_tx_port = fm_eth->tx_port;
+ int i;
+
+ /* alloc global parameter ram at MURAM */
+ pram = (struct fm_port_global_pram *)fm_muram_alloc(fm_eth->fm_index,
+ FM_PRAM_SIZE, FM_PRAM_ALIGN);
+ fm_eth->tx_pram = pram;
+
+ /* parameter page offset to MURAM */
+ pram_page_offset = (u32)pram - fm_muram_base(fm_eth->fm_index);
+
+ /* enable global mode- snooping data buffers and BDs */
+ pram->mode = PRAM_MODE_GLOBAL;
+
+ /* init the Tx queue descriptor pionter */
+ pram->txqd_ptr = pram_page_offset + 0x40;
+
+ /* alloc Tx buffer descriptors from main memory */
+ tx_bd_ring_base = malloc(sizeof(struct fm_port_bd)
+ * TX_BD_RING_SIZE);
+ if (!tx_bd_ring_base)
+ return 0;
+ memset(tx_bd_ring_base, 0, sizeof(struct fm_port_bd)
+ * TX_BD_RING_SIZE);
+ /* save it to fm_eth */
+ fm_eth->tx_bd_ring = tx_bd_ring_base;
+ fm_eth->cur_txbd = tx_bd_ring_base;
+
+ /* init Tx BDs ring */
+ txbd = (struct fm_port_bd *)tx_bd_ring_base;
+ for (i = 0; i < TX_BD_RING_SIZE; i++) {
+ txbd->status = TxBD_LAST;
+ txbd->len = 0;
+ txbd->buf_ptr_hi = 0;
+ txbd->buf_ptr_lo = 0;
+ }
+
+ /* set the Tx queue decriptor */
+ txqd = &pram->txqd;
+ muram_writew(&txqd->bd_ring_base_hi, 0);
+ txqd->bd_ring_base_lo = (u32)tx_bd_ring_base;
+ muram_writew(&txqd->bd_ring_size, sizeof(struct fm_port_bd)
+ * TX_BD_RING_SIZE);
+ muram_writew(&txqd->offset_in, 0);
+ muram_writew(&txqd->offset_out, 0);
+
+ /* set IM parameter ram pointer to Tx Confirmation Frame Queue ID */
+ out_be32(&bmi_tx_port->fmbm_tcfqid, pram_page_offset);
+
+ return 1;
+}
+
+static int fm_eth_init(struct fm_eth *fm_eth)
+{
+
+ if (!fm_eth_rx_port_parameter_init(fm_eth))
+ return 0;
+
+ if (!fm_eth_tx_port_parameter_init(fm_eth))
+ return 0;
+
+ return 1;
+}
+
+static int fm_eth_startup(struct fm_eth *fm_eth)
+{
+ struct fsl_enet_mac *mac;
+ mac = fm_eth->mac;
+
+ /* Rx/TxBDs, Rx/TxQDs, Rx buff and parameter ram init */
+ if (!fm_eth_init(fm_eth))
+ return 0;
+ /* setup the MAC controller */
+ mac->init_mac(mac);
+
+ /* For some reason we need to set SPEED_100 */
+ if ((fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII) && mac->set_if_mode)
+ mac->set_if_mode(mac, fm_eth->enet_if, SPEED_100);
+
+ /* init bmi rx port, IM mode and disable */
+ bmi_rx_port_init(fm_eth->rx_port);
+ /* init bmi tx port, IM mode and disable */
+ bmi_tx_port_init(fm_eth->tx_port);
+
+ return 1;
+}
+
+static void fmc_tx_port_graceful_stop_enable(struct fm_eth *fm_eth)
+{
+ struct fm_port_global_pram *pram;
+
+ pram = fm_eth->tx_pram;
+ /* graceful stop transmission of frames */
+ pram->mode |= PRAM_MODE_GRACEFUL_STOP;
+ sync();
+}
+
+static void fmc_tx_port_graceful_stop_disable(struct fm_eth *fm_eth)
+{
+ struct fm_port_global_pram *pram;
+
+ pram = fm_eth->tx_pram;
+ /* re-enable transmission of frames */
+ pram->mode &= ~PRAM_MODE_GRACEFUL_STOP;
+ sync();
+}
+
+static int fm_eth_open(struct eth_device *dev, bd_t *bd)
+{
+ struct fm_eth *fm_eth;
+ struct fsl_enet_mac *mac;
+
+ fm_eth = (struct fm_eth *)dev->priv;
+ mac = fm_eth->mac;
+
+ /* setup the MAC address */
+ if (dev->enetaddr[0] & 0x01) {
+ printf("%s: MacAddress is multcast address\n", __func__);
+ return 1;
+ }
+ mac->set_mac_addr(mac, dev->enetaddr);
+
+ /* enable bmi Rx port */
+ setbits_be32(&fm_eth->rx_port->fmbm_rcfg, FMBM_RCFG_EN);
+ /* enable MAC rx/tx port */
+ mac->enable_mac(mac);
+ /* enable bmi Tx port */
+ setbits_be32(&fm_eth->tx_port->fmbm_tcfg, FMBM_TCFG_EN);
+ /* re-enable transmission of frame */
+ fmc_tx_port_graceful_stop_disable(fm_eth);
+
+#ifdef CONFIG_PHYLIB
+ phy_startup(fm_eth->phydev);
+#else
+ fm_eth->phydev->speed = SPEED_1000;
+ fm_eth->phydev->link = 1;
+ fm_eth->phydev->duplex = DUPLEX_FULL;
+#endif
+
+ /* set the MAC-PHY mode */
+ mac->set_if_mode(mac, fm_eth->enet_if, fm_eth->phydev->speed);
+
+ if (!fm_eth->phydev->link)
+ printf("%s: No link.\n", fm_eth->phydev->dev->name);
+
+ return fm_eth->phydev->link ? 0 : -1;
+}
+
+static void fm_eth_halt(struct eth_device *dev)
+{
+ struct fm_eth *fm_eth;
+ struct fsl_enet_mac *mac;
+
+ fm_eth = (struct fm_eth *)dev->priv;
+ mac = fm_eth->mac;
+
+ /* graceful stop the transmission of frames */
+ fmc_tx_port_graceful_stop_enable(fm_eth);
+ /* disable bmi Tx port */
+ bmi_tx_port_disable(fm_eth->tx_port);
+ /* disable MAC rx/tx port */
+ mac->disable_mac(mac);
+ /* disable bmi Rx port */
+ bmi_rx_port_disable(fm_eth->rx_port);
+
+ phy_shutdown(fm_eth->phydev);
+}
+
+static int fm_eth_send(struct eth_device *dev, volatile void *buf, int len)
+{
+ struct fm_eth *fm_eth;
+ struct fm_port_global_pram *pram;
+ struct fm_port_bd *txbd, *txbd_base;
+ u16 offset_in;
+ int i;
+
+ fm_eth = (struct fm_eth *)dev->priv;
+ pram = fm_eth->tx_pram;
+ txbd = fm_eth->cur_txbd;
+
+ /* find one empty TxBD */
+ for (i = 0; txbd->status & TxBD_READY; i++) {
+ udelay(100);
+ if (i > 0x1000) {
+ printf("%s: Tx buffer not ready\n", dev->name);
+ return 0;
+ }
+ }
+ /* setup TxBD */
+ txbd->buf_ptr_hi = 0;
+ txbd->buf_ptr_lo = (u32)buf;
+ txbd->len = len;
+ sync();
+ txbd->status = TxBD_READY | TxBD_LAST;
+ sync();
+
+ /* update TxQD, let RISC to send the packet */
+ offset_in = muram_readw(&pram->txqd.offset_in);
+ offset_in += sizeof(struct fm_port_bd);
+ if (offset_in >= muram_readw(&pram->txqd.bd_ring_size))
+ offset_in = 0;
+ muram_writew(&pram->txqd.offset_in, offset_in);
+ sync();
+
+ /* wait for buffer to be transmitted */
+ for (i = 0; txbd->status & TxBD_READY; i++) {
+ udelay(100);
+ if (i > 0x10000) {
+ printf("%s: Tx error\n", dev->name);
+ return 0;
+ }
+ }
+
+ /* advance the TxBD */
+ txbd++;
+ txbd_base = (struct fm_port_bd *)fm_eth->tx_bd_ring;
+ if (txbd >= (txbd_base + TX_BD_RING_SIZE))
+ txbd = txbd_base;
+ /* update current txbd */
+ fm_eth->cur_txbd = (void *)txbd;
+
+ return 1;
+}
+
+static int fm_eth_recv(struct eth_device *dev)
+{
+ struct fm_eth *fm_eth;
+ struct fm_port_global_pram *pram;
+ struct fm_port_bd *rxbd, *rxbd_base;
+ u16 status, len;
+ u8 *data;
+ u16 offset_out;
+
+ fm_eth = (struct fm_eth *)dev->priv;
+ pram = fm_eth->rx_pram;
+ rxbd = fm_eth->cur_rxbd;
+ status = rxbd->status;
+
+ while (!(status & RxBD_EMPTY)) {
+ if (!(status & RxBD_ERROR)) {
+ data = (u8 *)rxbd->buf_ptr_lo;
+ len = rxbd->len;
+ NetReceive(data, len);
+ } else {
+ printf("%s: Rx error\n", dev->name);
+ return 0;
+ }
+
+ /* clear the RxBDs */
+ rxbd->status = RxBD_EMPTY;
+ rxbd->len = 0;
+ sync();
+
+ /* advance RxBD */
+ rxbd++;
+ rxbd_base = (struct fm_port_bd *)fm_eth->rx_bd_ring;
+ if (rxbd >= (rxbd_base + RX_BD_RING_SIZE))
+ rxbd = rxbd_base;
+ /* read next status */
+ status = rxbd->status;
+
+ /* update RxQD */
+ offset_out = muram_readw(&pram->rxqd.offset_out);
+ offset_out += sizeof(struct fm_port_bd);
+ if (offset_out >= muram_readw(&pram->rxqd.bd_ring_size))
+ offset_out = 0;
+ muram_writew(&pram->rxqd.offset_out, offset_out);
+ sync();
+ }
+ fm_eth->cur_rxbd = (void *)rxbd;
+
+ return 1;
+}
+
+static int fm_eth_init_mac(struct fm_eth *fm_eth, struct ccsr_fman *reg)
+{
+ struct fsl_enet_mac *mac;
+ int num;
+ void *base, *phyregs = NULL;
+
+ num = fm_eth->num;
+
+ /* Get the mac registers base address */
+ if (fm_eth->type == FM_ETH_1G_E) {
+ base = &reg->mac_1g[num].fm_dtesc;
+ } else {
+ base = &reg->mac_10g[num].fm_10gec;
+ phyregs = &reg->mac_10g[num].fm_10gec_mdio;
+ }
+
+ /* alloc mac controller */
+ mac = malloc(sizeof(struct fsl_enet_mac));
+ if (!mac)
+ return 0;
+ memset(mac, 0, sizeof(struct fsl_enet_mac));
+
+ /* save the mac to fm_eth struct */
+ fm_eth->mac = mac;
+
+ if (fm_eth->type == FM_ETH_1G_E)
+ init_dtsec(mac, base, NULL, MAX_RXBUF_LEN);
+ else
+ init_tgec(mac, base, phyregs, MAX_RXBUF_LEN);
+
+ return 1;
+}
+
+static int init_phy(struct eth_device *dev)
+{
+ struct fm_eth *fm_eth = dev->priv;
+ struct phy_device *phydev = NULL;
+ u32 supported;
+
+#ifdef CONFIG_PHYLIB
+ if (fm_eth->type == FM_ETH_1G_E)
+ dtsec_init_phy(dev);
+
+ if (fm_eth->bus) {
+ phydev = phy_connect(fm_eth->bus, fm_eth->phyaddr, dev,
+ fm_eth->enet_if);
+ }
+
+ if (!phydev) {
+ printf("Failed to connect\n");
+ return -1;
+ }
+
+ if (fm_eth->type == FM_ETH_1G_E) {
+ supported = (SUPPORTED_10baseT_Half |
+ SUPPORTED_10baseT_Full |
+ SUPPORTED_100baseT_Half |
+ SUPPORTED_100baseT_Full |
+ SUPPORTED_1000baseT_Full);
+ } else {
+ supported = SUPPORTED_10000baseT_Full;
+
+ if (tgec_is_fibre(dev))
+ phydev->port = PORT_FIBRE;
+ }
+
+ phydev->supported &= supported;
+ phydev->advertising = phydev->supported;
+
+ fm_eth->phydev = phydev;
+
+ phy_config(phydev);
+#endif
+
+ return 0;
+}
+
+int fm_eth_initialize(struct ccsr_fman *reg, struct fm_eth_info *info)
+{
+ struct eth_device *dev;
+ struct fm_eth *fm_eth;
+ int i, num = info->num;
+
+ /* alloc eth device */
+ dev = (struct eth_device *)malloc(sizeof(struct eth_device));
+ if (!dev)
+ return 0;
+ memset(dev, 0, sizeof(struct eth_device));
+
+ /* alloc the FMan ethernet private struct */
+ fm_eth = (struct fm_eth *)malloc(sizeof(struct fm_eth));
+ if (!fm_eth)
+ return 0;
+ memset(fm_eth, 0, sizeof(struct fm_eth));
+
+ /* save off some things we need from the info struct */
+ fm_eth->fm_index = info->index - 1; /* keep as 0 based for muram */
+ fm_eth->num = num;
+ fm_eth->type = info->type;
+
+ fm_eth->rx_port = (void *)&reg->port[info->rx_port_id - 1].fm_bmi;
+ fm_eth->tx_port = (void *)&reg->port[info->tx_port_id - 1].fm_bmi;
+
+ /* set the ethernet max receive length */
+ fm_eth->max_rx_len = MAX_RXBUF_LEN;
+
+ /* init global mac structure */
+ if (!fm_eth_init_mac(fm_eth, reg))
+ return 0;
+
+ /* keep same as the manual, we call FMAN1, FMAN2, DTSEC1, DTSEC2, etc */
+ if (fm_eth->type == FM_ETH_1G_E)
+ sprintf(dev->name, "FM%d@DTSEC%d", info->index, num + 1);
+ else
+ sprintf(dev->name, "FM%d@TGEC%d", info->index, num + 1);
+
+ devlist[num_controllers++] = dev;
+ dev->iobase = 0;
+ dev->priv = (void *)fm_eth;
+ dev->init = fm_eth_open;
+ dev->halt = fm_eth_halt;
+ dev->send = fm_eth_send;
+ dev->recv = fm_eth_recv;
+ fm_eth->dev = dev;
+ fm_eth->bus = info->bus;
+ fm_eth->phyaddr = info->phy_addr;
+ fm_eth->enet_if = info->enet_if;
+
+ /* startup the FM im */
+ if (!fm_eth_startup(fm_eth))
+ return 0;
+
+ if (init_phy(dev))
+ return 0;
+
+ /* clear the ethernet address */
+ for (i = 0; i < 6; i++)
+ dev->enetaddr[i] = 0;
+ eth_register(dev);
+
+ return 1;
+}