| /* |
| * Copyright 2009-2012 Freescale Semiconductor, Inc. |
| * Dave Liu <daveliu@freescale.com> |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| #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 <fsl_dtsec.h> |
| #include <fsl_tgec.h> |
| #include <fsl_memac.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 */ |
| static void dtsec_configure_serdes(struct fm_eth *priv) |
| { |
| #ifdef CONFIG_SYS_FMAN_V3 |
| u32 value; |
| struct mii_dev bus; |
| bus.priv = priv->mac->phyregs; |
| bool sgmii_2500 = (priv->enet_if == |
| PHY_INTERFACE_MODE_SGMII_2500) ? true : false; |
| int i = 0; |
| |
| qsgmii_loop: |
| /* SGMII IF mode + AN enable only for 1G SGMII, not for 2.5G */ |
| value = PHY_SGMII_IF_MODE_SGMII; |
| if (!sgmii_2500) |
| value |= PHY_SGMII_IF_MODE_AN; |
| |
| memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0x14, value); |
| |
| /* Dev ability according to SGMII specification */ |
| value = PHY_SGMII_DEV_ABILITY_SGMII; |
| memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0x4, value); |
| |
| /* Adjust link timer for SGMII - |
| 1.6 ms in units of 8 ns = 2 * 10^5 = 0x30d40 */ |
| memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0x13, 0x3); |
| memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0x12, 0xd40); |
| |
| /* Restart AN */ |
| value = PHY_SGMII_CR_DEF_VAL; |
| if (!sgmii_2500) |
| value |= PHY_SGMII_CR_RESET_AN; |
| memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0, value); |
| |
| if ((priv->enet_if == PHY_INTERFACE_MODE_QSGMII) && (i < 3)) { |
| i++; |
| goto qsgmii_loop; |
| } |
| #else |
| 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(®s->tbipa), 0, TBI_TBICON, |
| TBICON_CLK_SELECT); |
| tsec_local_mdio_write(phyregs, in_be32(®s->tbipa), 0, TBI_ANA, |
| TBIANA_SGMII_ACK); |
| tsec_local_mdio_write(phyregs, in_be32(®s->tbipa), 0, |
| TBI_CR, TBICR_SETTINGS); |
| #endif |
| } |
| |
| static void dtsec_init_phy(struct eth_device *dev) |
| { |
| struct fm_eth *fm_eth = dev->priv; |
| #ifndef CONFIG_SYS_FMAN_V3 |
| struct dtsec *regs = (struct dtsec *)CONFIG_SYS_FSL_FM1_DTSEC1_ADDR; |
| |
| /* Assign a Physical address to the TBI */ |
| out_be32(®s->tbipa, CONFIG_SYS_TBIPA_VALUE); |
| #endif |
| |
| if (fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII || |
| fm_eth->enet_if == PHY_INTERFACE_MODE_QSGMII || |
| fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII_2500) |
| dtsec_configure_serdes(fm_eth); |
| } |
| |
| #ifdef CONFIG_PHYLIB |
| 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 |
| #endif |
| |
| static u16 muram_readw(u16 *addr) |
| { |
| ulong base = (ulong)addr & ~0x3UL; |
| u32 val32 = in_be32((void *)base); |
| int byte_pos; |
| u16 ret; |
| |
| byte_pos = (ulong)addr & 0x3UL; |
| if (byte_pos) |
| ret = (u16)(val32 & 0x0000ffff); |
| else |
| ret = (u16)((val32 & 0xffff0000) >> 16); |
| |
| return ret; |
| } |
| |
| static void muram_writew(u16 *addr, u16 val) |
| { |
| ulong base = (ulong)addr & ~0x3UL; |
| u32 org32 = in_be32((void *)base); |
| u32 val32; |
| int byte_pos; |
| |
| byte_pos = (ulong)addr & 0x3UL; |
| if (byte_pos) |
| val32 = (org32 & 0xffff0000) | val; |
| else |
| val32 = (org32 & 0x0000ffff) | ((u32)val << 16); |
| |
| out_be32((void *)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; |
| u32 bd_ring_base_lo, bd_ring_base_hi; |
| u32 buf_lo, buf_hi; |
| 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); |
| if (!pram) { |
| printf("%s: No muram for Rx global parameter\n", __func__); |
| return -ENOMEM; |
| } |
| |
| fm_eth->rx_pram = pram; |
| |
| /* parameter page offset to MURAM */ |
| pram_page_offset = (void *)pram - fm_muram_base(fm_eth->fm_index); |
| |
| /* enable global mode- snooping data buffers and BDs */ |
| out_be32(&pram->mode, PRAM_MODE_GLOBAL); |
| |
| /* init the Rx queue descriptor pionter */ |
| out_be32(&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 -ENOMEM; |
| |
| 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 -ENOMEM; |
| |
| memset(rx_buf_pool, 0, MAX_RXBUF_LEN * RX_BD_RING_SIZE); |
| debug("%s: rx_buf_pool = %p\n", __func__, rx_buf_pool); |
| |
| /* 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++) { |
| muram_writew(&rxbd->status, RxBD_EMPTY); |
| muram_writew(&rxbd->len, 0); |
| buf_hi = upper_32_bits(virt_to_phys(rx_buf_pool + |
| i * MAX_RXBUF_LEN)); |
| buf_lo = lower_32_bits(virt_to_phys(rx_buf_pool + |
| i * MAX_RXBUF_LEN)); |
| muram_writew(&rxbd->buf_ptr_hi, (u16)buf_hi); |
| out_be32(&rxbd->buf_ptr_lo, buf_lo); |
| rxbd++; |
| } |
| |
| /* set the Rx queue descriptor */ |
| rxqd = &pram->rxqd; |
| muram_writew(&rxqd->gen, 0); |
| bd_ring_base_hi = upper_32_bits(virt_to_phys(rx_bd_ring_base)); |
| bd_ring_base_lo = lower_32_bits(virt_to_phys(rx_bd_ring_base)); |
| muram_writew(&rxqd->bd_ring_base_hi, (u16)bd_ring_base_hi); |
| out_be32(&rxqd->bd_ring_base_lo, bd_ring_base_lo); |
| 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 0; |
| } |
| |
| 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; |
| u32 bd_ring_base_lo, bd_ring_base_hi; |
| 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); |
| if (!pram) { |
| printf("%s: No muram for Tx global parameter\n", __func__); |
| return -ENOMEM; |
| } |
| fm_eth->tx_pram = pram; |
| |
| /* parameter page offset to MURAM */ |
| pram_page_offset = (void *)pram - fm_muram_base(fm_eth->fm_index); |
| |
| /* enable global mode- snooping data buffers and BDs */ |
| out_be32(&pram->mode, PRAM_MODE_GLOBAL); |
| |
| /* init the Tx queue descriptor pionter */ |
| out_be32(&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 -ENOMEM; |
| |
| 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++) { |
| muram_writew(&txbd->status, TxBD_LAST); |
| muram_writew(&txbd->len, 0); |
| muram_writew(&txbd->buf_ptr_hi, 0); |
| out_be32(&txbd->buf_ptr_lo, 0); |
| txbd++; |
| } |
| |
| /* set the Tx queue decriptor */ |
| txqd = &pram->txqd; |
| bd_ring_base_hi = upper_32_bits(virt_to_phys(tx_bd_ring_base)); |
| bd_ring_base_lo = lower_32_bits(virt_to_phys(tx_bd_ring_base)); |
| muram_writew(&txqd->bd_ring_base_hi, (u16)bd_ring_base_hi); |
| out_be32(&txqd->bd_ring_base_lo, bd_ring_base_lo); |
| 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 0; |
| } |
| |
| static int fm_eth_init(struct fm_eth *fm_eth) |
| { |
| int ret; |
| |
| ret = fm_eth_rx_port_parameter_init(fm_eth); |
| if (ret) |
| return ret; |
| |
| ret = fm_eth_tx_port_parameter_init(fm_eth); |
| if (ret) |
| return ret; |
| |
| return 0; |
| } |
| |
| static int fm_eth_startup(struct fm_eth *fm_eth) |
| { |
| struct fsl_enet_mac *mac; |
| int ret; |
| |
| mac = fm_eth->mac; |
| |
| /* Rx/TxBDs, Rx/TxQDs, Rx buff and parameter ram init */ |
| ret = fm_eth_init(fm_eth); |
| if (ret) |
| return ret; |
| /* 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) || |
| (fm_eth->enet_if == PHY_INTERFACE_MODE_QSGMII)) && |
| 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 0; |
| } |
| |
| 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 */ |
| setbits_be32(&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 */ |
| clrbits_be32(&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; |
| #ifdef CONFIG_PHYLIB |
| int ret; |
| #endif |
| |
| 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 |
| if (fm_eth->phydev) { |
| ret = phy_startup(fm_eth->phydev); |
| if (ret) { |
| printf("%s: Could not initialize\n", |
| fm_eth->phydev->dev->name); |
| return ret; |
| } |
| } else { |
| return 0; |
| } |
| #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); |
| |
| #ifdef CONFIG_PHYLIB |
| if (fm_eth->phydev) |
| phy_shutdown(fm_eth->phydev); |
| #endif |
| } |
| |
| static int fm_eth_send(struct eth_device *dev, 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; muram_readw(&txbd->status) & TxBD_READY; i++) { |
| udelay(100); |
| if (i > 0x1000) { |
| printf("%s: Tx buffer not ready, txbd->status = 0x%x\n", |
| dev->name, muram_readw(&txbd->status)); |
| return 0; |
| } |
| } |
| /* setup TxBD */ |
| muram_writew(&txbd->buf_ptr_hi, (u16)upper_32_bits(virt_to_phys(buf))); |
| out_be32(&txbd->buf_ptr_lo, lower_32_bits(virt_to_phys(buf))); |
| muram_writew(&txbd->len, len); |
| sync(); |
| muram_writew(&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; muram_readw(&txbd->status) & TxBD_READY; i++) { |
| udelay(100); |
| if (i > 0x10000) { |
| printf("%s: Tx error, txbd->status = 0x%x\n", |
| dev->name, muram_readw(&txbd->status)); |
| 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; |
| u32 buf_lo, buf_hi; |
| u8 *data; |
| u16 offset_out; |
| int ret = 1; |
| |
| fm_eth = (struct fm_eth *)dev->priv; |
| pram = fm_eth->rx_pram; |
| rxbd = fm_eth->cur_rxbd; |
| status = muram_readw(&rxbd->status); |
| |
| while (!(status & RxBD_EMPTY)) { |
| if (!(status & RxBD_ERROR)) { |
| buf_hi = muram_readw(&rxbd->buf_ptr_hi); |
| buf_lo = in_be32(&rxbd->buf_ptr_lo); |
| data = (u8 *)((ulong)(buf_hi << 16) << 16 | buf_lo); |
| len = muram_readw(&rxbd->len); |
| net_process_received_packet(data, len); |
| } else { |
| printf("%s: Rx error\n", dev->name); |
| ret = 0; |
| } |
| |
| /* clear the RxBDs */ |
| muram_writew(&rxbd->status, RxBD_EMPTY); |
| muram_writew(&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 = muram_readw(&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 ret; |
| } |
| |
| 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; |
| |
| #ifdef CONFIG_SYS_FMAN_V3 |
| #ifndef CONFIG_FSL_FM_10GEC_REGULAR_NOTATION |
| if (fm_eth->type == FM_ETH_10G_E) { |
| /* 10GEC1/10GEC2 use mEMAC9/mEMAC10 on T2080/T4240. |
| * 10GEC3/10GEC4 use mEMAC1/mEMAC2 on T2080. |
| * 10GEC1 uses mEMAC1 on T1024. |
| * so it needs to change the num. |
| */ |
| if (fm_eth->num >= 2) |
| num -= 2; |
| else |
| num += 8; |
| } |
| #endif |
| base = ®->memac[num].fm_memac; |
| phyregs = ®->memac[num].fm_memac_mdio; |
| #else |
| /* Get the mac registers base address */ |
| if (fm_eth->type == FM_ETH_1G_E) { |
| base = ®->mac_1g[num].fm_dtesc; |
| phyregs = ®->mac_1g[num].fm_mdio.miimcfg; |
| } else { |
| base = ®->mac_10g[num].fm_10gec; |
| phyregs = ®->mac_10g[num].fm_10gec_mdio; |
| } |
| #endif |
| |
| /* alloc mac controller */ |
| mac = malloc(sizeof(struct fsl_enet_mac)); |
| if (!mac) |
| return -ENOMEM; |
| memset(mac, 0, sizeof(struct fsl_enet_mac)); |
| |
| /* save the mac to fm_eth struct */ |
| fm_eth->mac = mac; |
| |
| #ifdef CONFIG_SYS_FMAN_V3 |
| init_memac(mac, base, phyregs, MAX_RXBUF_LEN); |
| #else |
| if (fm_eth->type == FM_ETH_1G_E) |
| init_dtsec(mac, base, phyregs, MAX_RXBUF_LEN); |
| else |
| init_tgec(mac, base, phyregs, MAX_RXBUF_LEN); |
| #endif |
| |
| return 0; |
| } |
| |
| static int init_phy(struct eth_device *dev) |
| { |
| struct fm_eth *fm_eth = dev->priv; |
| #ifdef CONFIG_PHYLIB |
| struct phy_device *phydev = NULL; |
| u32 supported; |
| #endif |
| |
| if (fm_eth->type == FM_ETH_1G_E) |
| dtsec_init_phy(dev); |
| |
| #ifdef CONFIG_PHYLIB |
| 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; |
| } |
| } else { |
| return 0; |
| } |
| |
| 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; |
| int ret; |
| |
| /* alloc eth device */ |
| dev = (struct eth_device *)malloc(sizeof(struct eth_device)); |
| if (!dev) |
| return -ENOMEM; |
| 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 -ENOMEM; |
| 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 *)®->port[info->rx_port_id - 1].fm_bmi; |
| fm_eth->tx_port = (void *)®->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 */ |
| ret = fm_eth_init_mac(fm_eth, reg); |
| if (ret) |
| return ret; |
| |
| /* 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 */ |
| ret = fm_eth_startup(fm_eth); |
| if (ret) |
| return ret; |
| |
| init_phy(dev); |
| |
| /* clear the ethernet address */ |
| for (i = 0; i < 6; i++) |
| dev->enetaddr[i] = 0; |
| eth_register(dev); |
| |
| return 0; |
| } |