| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright 2009-2012 Freescale Semiconductor, Inc. |
| * Copyright 2020 NXP |
| * Dave Liu <daveliu@freescale.com> |
| */ |
| #include <common.h> |
| #include <log.h> |
| #include <part.h> |
| #include <asm/io.h> |
| #ifdef CONFIG_DM_ETH |
| #include <dm.h> |
| #include <dm/ofnode.h> |
| #include <linux/compat.h> |
| #include <phy_interface.h> |
| #endif |
| #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 <linux/delay.h> |
| |
| #include "fm.h" |
| |
| #ifndef CONFIG_DM_ETH |
| static struct eth_device *devlist[NUM_FM_PORTS]; |
| static int num_controllers; |
| #endif |
| |
| #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; |
| bool sgmii_2500 = (priv->enet_if == |
| PHY_INTERFACE_MODE_SGMII_2500) ? true : false; |
| int i = 0, j; |
| |
| #ifndef CONFIG_DM_ETH |
| bus.priv = priv->mac->phyregs; |
| #else |
| bus.priv = priv->pcs_mdio; |
| bus.read = memac_mdio_read; |
| bus.write = memac_mdio_write; |
| bus.reset = memac_mdio_reset; |
| #endif |
| |
| qsgmii_loop: |
| /* SGMII IF mode + AN enable only for 1G SGMII, not for 2.5G */ |
| if (sgmii_2500) |
| value = PHY_SGMII_CR_PHY_RESET | |
| PHY_SGMII_IF_SPEED_GIGABIT | |
| PHY_SGMII_IF_MODE_SGMII; |
| else |
| value = PHY_SGMII_IF_MODE_SGMII | PHY_SGMII_IF_MODE_AN; |
| |
| for (j = 0; j <= 3; j++) |
| debug("dump PCS reg %#x: %#x\n", j, |
| memac_mdio_read(&bus, i, MDIO_DEVAD_NONE, j)); |
| |
| 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); |
| |
| if (sgmii_2500) { |
| /* Adjust link timer for 2.5G SGMII, |
| * 1.6 ms in units of 3.2 ns: |
| * 1.6ms / 3.2ns = 5 * 10^5 = 0x7a120. |
| */ |
| memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0x13, 0x0007); |
| memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0x12, 0xa120); |
| } else { |
| /* Adjust link timer for SGMII, |
| * 1.6 ms in units of 8 ns: |
| * 1.6ms / 8ns = 2 * 10^5 = 0x30d40. |
| */ |
| memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0x13, 0x0003); |
| memac_mdio_write(&bus, i, MDIO_DEVAD_NONE, 0x12, 0x0d40); |
| } |
| |
| /* Restart AN */ |
| value = PHY_SGMII_CR_DEF_VAL | 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 fm_eth *fm_eth) |
| { |
| #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); |
| } |
| |
| #ifndef CONFIG_DM_ETH |
| #ifdef CONFIG_PHYLIB |
| static int tgec_is_fibre(struct fm_eth *fm) |
| { |
| char phyopt[20]; |
| |
| sprintf(phyopt, "fsl_fm%d_xaui_phy", fm->fm_index + 1); |
| |
| return hwconfig_arg_cmp(phyopt, "xfi"); |
| } |
| #endif |
| #endif /* CONFIG_DM_ETH */ |
| #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--) |
| ; |
| if (!timeout) |
| printf("%s - timeout\n", __func__); |
| } |
| |
| 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--) |
| ; |
| if (!timeout) |
| printf("%s - timeout\n", __func__); |
| } |
| |
| 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_SGMII_2500) || |
| (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(); |
| } |
| |
| #ifndef CONFIG_DM_ETH |
| static int fm_eth_open(struct eth_device *dev, struct bd_info *bd) |
| #else |
| static int fm_eth_open(struct udevice *dev) |
| #endif |
| { |
| #ifndef CONFIG_DM_ETH |
| struct fm_eth *fm_eth = dev->priv; |
| #else |
| struct eth_pdata *pdata = dev_get_plat(dev); |
| struct fm_eth *fm_eth = dev_get_priv(dev); |
| #endif |
| unsigned char *enetaddr; |
| struct fsl_enet_mac *mac; |
| #ifdef CONFIG_PHYLIB |
| int ret; |
| #endif |
| |
| mac = fm_eth->mac; |
| |
| #ifndef CONFIG_DM_ETH |
| enetaddr = &dev->enetaddr[0]; |
| #else |
| enetaddr = pdata->enetaddr; |
| #endif |
| |
| /* setup the MAC address */ |
| if (enetaddr[0] & 0x01) { |
| printf("%s: MacAddress is multicast address\n", __func__); |
| enetaddr[0] = 0; |
| enetaddr[5] = fm_eth->num; |
| } |
| mac->set_mac_addr(mac, 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) { |
| #ifndef CONFIG_DM_ETH |
| printf("%s: Could not initialize\n", |
| fm_eth->phydev->dev->name); |
| #else |
| printf("%s: Could not initialize\n", dev->name); |
| #endif |
| 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); |
| debug("MAC IF mode %d, speed %d, link %d\n", fm_eth->enet_if, |
| fm_eth->phydev->speed, fm_eth->phydev->link); |
| |
| if (!fm_eth->phydev->link) |
| printf("%s: No link.\n", fm_eth->phydev->dev->name); |
| |
| return fm_eth->phydev->link ? 0 : -1; |
| } |
| |
| #ifndef CONFIG_DM_ETH |
| static void fm_eth_halt(struct eth_device *dev) |
| #else |
| static void fm_eth_halt(struct udevice *dev) |
| #endif |
| { |
| struct fm_eth *fm_eth; |
| struct fsl_enet_mac *mac; |
| |
| #ifndef CONFIG_DM_ETH |
| fm_eth = (struct fm_eth *)dev->priv; |
| #else |
| fm_eth = dev_get_priv(dev); |
| #endif |
| 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 |
| } |
| |
| #ifndef CONFIG_DM_ETH |
| static int fm_eth_send(struct eth_device *dev, void *buf, int len) |
| #else |
| static int fm_eth_send(struct udevice *dev, void *buf, int len) |
| #endif |
| { |
| struct fm_eth *fm_eth; |
| struct fm_port_global_pram *pram; |
| struct fm_port_bd *txbd, *txbd_base; |
| u16 offset_in; |
| int i; |
| |
| #ifndef CONFIG_DM_ETH |
| fm_eth = (struct fm_eth *)dev->priv; |
| #else |
| fm_eth = dev_get_priv(dev); |
| #endif |
| 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 struct fm_port_bd *fm_eth_free_one(struct fm_eth *fm_eth, |
| struct fm_port_bd *rxbd) |
| { |
| struct fm_port_global_pram *pram; |
| struct fm_port_bd *rxbd_base; |
| u16 offset_out; |
| |
| pram = fm_eth->rx_pram; |
| |
| /* 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; |
| |
| /* 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(); |
| |
| return rxbd; |
| } |
| |
| #ifndef CONFIG_DM_ETH |
| static int fm_eth_recv(struct eth_device *dev) |
| #else |
| static int fm_eth_recv(struct udevice *dev, int flags, uchar **packetp) |
| #endif |
| { |
| struct fm_eth *fm_eth; |
| struct fm_port_bd *rxbd; |
| u32 buf_lo, buf_hi; |
| u16 status, len; |
| int ret = -1; |
| u8 *data; |
| |
| #ifndef CONFIG_DM_ETH |
| fm_eth = (struct fm_eth *)dev->priv; |
| #else |
| fm_eth = dev_get_priv(dev); |
| #endif |
| 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); |
| #ifndef CONFIG_DM_ETH |
| net_process_received_packet(data, len); |
| #else |
| *packetp = data; |
| return len; |
| #endif |
| } else { |
| printf("%s: Rx error\n", dev->name); |
| ret = 0; |
| } |
| |
| /* free current bd, advance to next one */ |
| rxbd = fm_eth_free_one(fm_eth, rxbd); |
| |
| /* read next status */ |
| status = muram_readw(&rxbd->status); |
| } |
| fm_eth->cur_rxbd = (void *)rxbd; |
| |
| return ret; |
| } |
| |
| #ifdef CONFIG_DM_ETH |
| static int fm_eth_free_pkt(struct udevice *dev, uchar *packet, int length) |
| { |
| struct fm_eth *fm_eth = (struct fm_eth *)dev_get_priv(dev); |
| |
| fm_eth->cur_rxbd = fm_eth_free_one(fm_eth, fm_eth->cur_rxbd); |
| |
| return 0; |
| } |
| #endif /* CONFIG_DM_ETH */ |
| |
| #ifndef CONFIG_DM_ETH |
| 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; |
| } |
| #else /* CONFIG_DM_ETH */ |
| static int fm_eth_init_mac(struct fm_eth *fm_eth, void *reg) |
| { |
| #ifndef CONFIG_SYS_FMAN_V3 |
| void *mdio; |
| #endif |
| |
| fm_eth->mac = kzalloc(sizeof(*fm_eth->mac), GFP_KERNEL); |
| if (!fm_eth->mac) |
| return -ENOMEM; |
| |
| #ifndef CONFIG_SYS_FMAN_V3 |
| mdio = fman_mdio(fm_eth->dev->parent, fm_eth->mac_type, fm_eth->num); |
| debug("MDIO %d @ %p\n", fm_eth->num, mdio); |
| #endif |
| |
| switch (fm_eth->mac_type) { |
| #ifdef CONFIG_SYS_FMAN_V3 |
| case FM_MEMAC: |
| init_memac(fm_eth->mac, reg, NULL, MAX_RXBUF_LEN); |
| break; |
| #else |
| case FM_DTSEC: |
| init_dtsec(fm_eth->mac, reg, mdio, MAX_RXBUF_LEN); |
| break; |
| case FM_TGEC: |
| init_tgec(fm_eth->mac, reg, mdio, MAX_RXBUF_LEN); |
| break; |
| #endif |
| } |
| |
| return 0; |
| } |
| #endif /* CONFIG_DM_ETH */ |
| |
| static int init_phy(struct fm_eth *fm_eth) |
| { |
| #ifdef CONFIG_PHYLIB |
| u32 supported = PHY_GBIT_FEATURES; |
| #ifndef CONFIG_DM_ETH |
| struct phy_device *phydev = NULL; |
| #endif |
| |
| if (fm_eth->type == FM_ETH_10G_E) |
| supported = PHY_10G_FEATURES; |
| if (fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII_2500) |
| supported |= SUPPORTED_2500baseX_Full; |
| #endif |
| |
| if (fm_eth->type == FM_ETH_1G_E) |
| dtsec_init_phy(fm_eth); |
| |
| #ifdef CONFIG_DM_ETH |
| #ifdef CONFIG_PHYLIB |
| #ifdef CONFIG_DM_MDIO |
| fm_eth->phydev = dm_eth_phy_connect(fm_eth->dev); |
| if (!fm_eth->phydev) |
| return -ENODEV; |
| #endif |
| fm_eth->phydev->advertising &= supported; |
| fm_eth->phydev->supported &= supported; |
| |
| phy_config(fm_eth->phydev); |
| #endif |
| #else /* CONFIG_DM_ETH */ |
| #ifdef CONFIG_PHYLIB |
| if (fm_eth->bus) { |
| phydev = phy_connect(fm_eth->bus, fm_eth->phyaddr, fm_eth->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(fm_eth)) |
| phydev->port = PORT_FIBRE; |
| } |
| |
| phydev->supported &= supported; |
| phydev->advertising = phydev->supported; |
| |
| fm_eth->phydev = phydev; |
| |
| phy_config(phydev); |
| #endif |
| #endif /* CONFIG_DM_ETH */ |
| return 0; |
| } |
| |
| #ifndef CONFIG_DM_ETH |
| 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(fm_eth); |
| |
| /* clear the ethernet address */ |
| for (i = 0; i < 6; i++) |
| dev->enetaddr[i] = 0; |
| eth_register(dev); |
| |
| return 0; |
| } |
| #else /* CONFIG_DM_ETH */ |
| #ifdef CONFIG_PHYLIB |
| phy_interface_t fman_read_sys_if(struct udevice *dev) |
| { |
| const char *if_str; |
| |
| if_str = ofnode_read_string(dev->node, "phy-connection-type"); |
| debug("MAC system interface mode %s\n", if_str); |
| |
| return phy_get_interface_by_name(if_str); |
| } |
| #endif |
| |
| static int fm_eth_bind(struct udevice *dev) |
| { |
| char mac_name[11]; |
| u32 fm, num; |
| |
| if (ofnode_read_u32(ofnode_get_parent(dev->node), "cell-index", &fm)) { |
| printf("FMan node property cell-index missing\n"); |
| return -EINVAL; |
| } |
| |
| if (dev && dev_read_u32(dev, "cell-index", &num)) { |
| printf("FMan MAC node property cell-index missing\n"); |
| return -EINVAL; |
| } |
| |
| sprintf(mac_name, "fm%d-mac%d", fm + 1, num + 1); |
| device_set_name(dev, mac_name); |
| |
| debug("%s - binding %s\n", __func__, mac_name); |
| |
| return 0; |
| } |
| |
| static struct udevice *fm_get_internal_mdio(struct udevice *dev) |
| { |
| struct ofnode_phandle_args phandle = {.node = ofnode_null()}; |
| struct udevice *mdiodev; |
| |
| if (dev_read_phandle_with_args(dev, "pcsphy-handle", NULL, |
| 0, 0, &phandle) || |
| !ofnode_valid(phandle.node)) { |
| if (dev_read_phandle_with_args(dev, "tbi-handle", NULL, |
| 0, 0, &phandle) || |
| !ofnode_valid(phandle.node)) { |
| printf("Issue reading pcsphy-handle/tbi-handle for MAC %s\n", |
| dev->name); |
| return NULL; |
| } |
| } |
| |
| if (uclass_get_device_by_ofnode(UCLASS_MDIO, |
| ofnode_get_parent(phandle.node), |
| &mdiodev)) { |
| printf("can't find MDIO bus for node %s\n", |
| ofnode_get_name(ofnode_get_parent(phandle.node))); |
| return NULL; |
| } |
| debug("Found internal MDIO bus %p\n", mdiodev); |
| |
| return mdiodev; |
| } |
| |
| static int fm_eth_probe(struct udevice *dev) |
| { |
| struct fm_eth *fm_eth = (struct fm_eth *)dev_get_priv(dev); |
| struct ofnode_phandle_args args; |
| void *reg; |
| int ret, index; |
| |
| debug("%s enter for dev %p fm_eth %p - %s\n", __func__, dev, fm_eth, |
| (dev) ? dev->name : "-"); |
| |
| if (fm_eth->dev) { |
| printf("%s already probed, exit\n", (dev) ? dev->name : "-"); |
| return 0; |
| } |
| |
| fm_eth->dev = dev; |
| fm_eth->fm_index = fman_id(dev->parent); |
| reg = (void *)(uintptr_t)dev_read_addr(dev); |
| fm_eth->mac_type = dev_get_driver_data(dev); |
| #ifdef CONFIG_PHYLIB |
| fm_eth->enet_if = fman_read_sys_if(dev); |
| #else |
| fm_eth->enet_if = PHY_INTERFACE_MODE_SGMII; |
| printf("%s: warning - unable to determine interface type\n", __func__); |
| #endif |
| switch (fm_eth->mac_type) { |
| #ifndef CONFIG_SYS_FMAN_V3 |
| case FM_TGEC: |
| fm_eth->type = FM_ETH_10G_E; |
| break; |
| case FM_DTSEC: |
| #else |
| case FM_MEMAC: |
| /* default to 1G, 10G is indicated by port property in dts */ |
| #endif |
| fm_eth->type = FM_ETH_1G_E; |
| break; |
| } |
| |
| if (dev_read_u32(dev, "cell-index", &fm_eth->num)) { |
| printf("FMan MAC node property cell-index missing\n"); |
| return -EINVAL; |
| } |
| |
| if (dev_read_phandle_with_args(dev, "fsl,fman-ports", NULL, |
| 0, 0, &args)) |
| goto ports_ref_failure; |
| index = ofnode_read_u32_default(args.node, "cell-index", 0); |
| if (index <= 0) |
| goto ports_ref_failure; |
| fm_eth->rx_port = fman_port(dev->parent, index); |
| |
| if (ofnode_read_bool(args.node, "fsl,fman-10g-port")) |
| fm_eth->type = FM_ETH_10G_E; |
| |
| if (dev_read_phandle_with_args(dev, "fsl,fman-ports", NULL, |
| 0, 1, &args)) |
| goto ports_ref_failure; |
| index = ofnode_read_u32_default(args.node, "cell-index", 0); |
| if (index <= 0) |
| goto ports_ref_failure; |
| fm_eth->tx_port = fman_port(dev->parent, index); |
| |
| /* set the ethernet max receive length */ |
| fm_eth->max_rx_len = MAX_RXBUF_LEN; |
| |
| switch (fm_eth->enet_if) { |
| case PHY_INTERFACE_MODE_QSGMII: |
| /* all PCS blocks are accessed on one controller */ |
| if (fm_eth->num != 0) |
| break; |
| case PHY_INTERFACE_MODE_SGMII: |
| case PHY_INTERFACE_MODE_SGMII_2500: |
| fm_eth->pcs_mdio = fm_get_internal_mdio(dev); |
| break; |
| default: |
| break; |
| } |
| |
| /* init global mac structure */ |
| ret = fm_eth_init_mac(fm_eth, reg); |
| if (ret) |
| return ret; |
| |
| /* startup the FM im */ |
| ret = fm_eth_startup(fm_eth); |
| |
| if (!ret) |
| ret = init_phy(fm_eth); |
| |
| return ret; |
| |
| ports_ref_failure: |
| printf("Issue reading fsl,fman-ports for MAC %s\n", dev->name); |
| return -ENOENT; |
| } |
| |
| static int fm_eth_remove(struct udevice *dev) |
| { |
| return 0; |
| } |
| |
| static const struct eth_ops fm_eth_ops = { |
| .start = fm_eth_open, |
| .send = fm_eth_send, |
| .recv = fm_eth_recv, |
| .free_pkt = fm_eth_free_pkt, |
| .stop = fm_eth_halt, |
| }; |
| |
| static const struct udevice_id fm_eth_ids[] = { |
| #ifdef CONFIG_SYS_FMAN_V3 |
| { .compatible = "fsl,fman-memac", .data = FM_MEMAC }, |
| #else |
| { .compatible = "fsl,fman-dtsec", .data = FM_DTSEC }, |
| { .compatible = "fsl,fman-xgec", .data = FM_TGEC }, |
| #endif |
| {} |
| }; |
| |
| U_BOOT_DRIVER(eth_fman) = { |
| .name = "eth_fman", |
| .id = UCLASS_ETH, |
| .of_match = fm_eth_ids, |
| .bind = fm_eth_bind, |
| .probe = fm_eth_probe, |
| .remove = fm_eth_remove, |
| .ops = &fm_eth_ops, |
| .priv_auto = sizeof(struct fm_eth), |
| .plat_auto = sizeof(struct eth_pdata), |
| .flags = DM_FLAG_ALLOC_PRIV_DMA, |
| }; |
| #endif /* CONFIG_DM_ETH */ |