| /* |
| * Copyright (C) 2006-2011 Freescale Semiconductor, Inc. |
| * |
| * Dave Liu <daveliu@freescale.com> |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #include "common.h" |
| #include "net.h" |
| #include "malloc.h" |
| #include "asm/errno.h" |
| #include "asm/io.h" |
| #include "linux/immap_qe.h" |
| #include "uccf.h" |
| #include "uec.h" |
| #include "uec_phy.h" |
| #include "miiphy.h" |
| #include <fsl_qe.h> |
| #include <phy.h> |
| |
| /* Default UTBIPAR SMI address */ |
| #ifndef CONFIG_UTBIPAR_INIT_TBIPA |
| #define CONFIG_UTBIPAR_INIT_TBIPA 0x1F |
| #endif |
| |
| static uec_info_t uec_info[] = { |
| #ifdef CONFIG_UEC_ETH1 |
| STD_UEC_INFO(1), /* UEC1 */ |
| #endif |
| #ifdef CONFIG_UEC_ETH2 |
| STD_UEC_INFO(2), /* UEC2 */ |
| #endif |
| #ifdef CONFIG_UEC_ETH3 |
| STD_UEC_INFO(3), /* UEC3 */ |
| #endif |
| #ifdef CONFIG_UEC_ETH4 |
| STD_UEC_INFO(4), /* UEC4 */ |
| #endif |
| #ifdef CONFIG_UEC_ETH5 |
| STD_UEC_INFO(5), /* UEC5 */ |
| #endif |
| #ifdef CONFIG_UEC_ETH6 |
| STD_UEC_INFO(6), /* UEC6 */ |
| #endif |
| #ifdef CONFIG_UEC_ETH7 |
| STD_UEC_INFO(7), /* UEC7 */ |
| #endif |
| #ifdef CONFIG_UEC_ETH8 |
| STD_UEC_INFO(8), /* UEC8 */ |
| #endif |
| }; |
| |
| #define MAXCONTROLLERS (8) |
| |
| static struct eth_device *devlist[MAXCONTROLLERS]; |
| |
| static int uec_mac_enable(uec_private_t *uec, comm_dir_e mode) |
| { |
| uec_t *uec_regs; |
| u32 maccfg1; |
| |
| if (!uec) { |
| printf("%s: uec not initial\n", __FUNCTION__); |
| return -EINVAL; |
| } |
| uec_regs = uec->uec_regs; |
| |
| maccfg1 = in_be32(&uec_regs->maccfg1); |
| |
| if (mode & COMM_DIR_TX) { |
| maccfg1 |= MACCFG1_ENABLE_TX; |
| out_be32(&uec_regs->maccfg1, maccfg1); |
| uec->mac_tx_enabled = 1; |
| } |
| |
| if (mode & COMM_DIR_RX) { |
| maccfg1 |= MACCFG1_ENABLE_RX; |
| out_be32(&uec_regs->maccfg1, maccfg1); |
| uec->mac_rx_enabled = 1; |
| } |
| |
| return 0; |
| } |
| |
| static int uec_mac_disable(uec_private_t *uec, comm_dir_e mode) |
| { |
| uec_t *uec_regs; |
| u32 maccfg1; |
| |
| if (!uec) { |
| printf("%s: uec not initial\n", __FUNCTION__); |
| return -EINVAL; |
| } |
| uec_regs = uec->uec_regs; |
| |
| maccfg1 = in_be32(&uec_regs->maccfg1); |
| |
| if (mode & COMM_DIR_TX) { |
| maccfg1 &= ~MACCFG1_ENABLE_TX; |
| out_be32(&uec_regs->maccfg1, maccfg1); |
| uec->mac_tx_enabled = 0; |
| } |
| |
| if (mode & COMM_DIR_RX) { |
| maccfg1 &= ~MACCFG1_ENABLE_RX; |
| out_be32(&uec_regs->maccfg1, maccfg1); |
| uec->mac_rx_enabled = 0; |
| } |
| |
| return 0; |
| } |
| |
| static int uec_graceful_stop_tx(uec_private_t *uec) |
| { |
| ucc_fast_t *uf_regs; |
| u32 cecr_subblock; |
| u32 ucce; |
| |
| if (!uec || !uec->uccf) { |
| printf("%s: No handle passed.\n", __FUNCTION__); |
| return -EINVAL; |
| } |
| |
| uf_regs = uec->uccf->uf_regs; |
| |
| /* Clear the grace stop event */ |
| out_be32(&uf_regs->ucce, UCCE_GRA); |
| |
| /* Issue host command */ |
| cecr_subblock = |
| ucc_fast_get_qe_cr_subblock(uec->uec_info->uf_info.ucc_num); |
| qe_issue_cmd(QE_GRACEFUL_STOP_TX, cecr_subblock, |
| (u8)QE_CR_PROTOCOL_ETHERNET, 0); |
| |
| /* Wait for command to complete */ |
| do { |
| ucce = in_be32(&uf_regs->ucce); |
| } while (! (ucce & UCCE_GRA)); |
| |
| uec->grace_stopped_tx = 1; |
| |
| return 0; |
| } |
| |
| static int uec_graceful_stop_rx(uec_private_t *uec) |
| { |
| u32 cecr_subblock; |
| u8 ack; |
| |
| if (!uec) { |
| printf("%s: No handle passed.\n", __FUNCTION__); |
| return -EINVAL; |
| } |
| |
| if (!uec->p_rx_glbl_pram) { |
| printf("%s: No init rx global parameter\n", __FUNCTION__); |
| return -EINVAL; |
| } |
| |
| /* Clear acknowledge bit */ |
| ack = uec->p_rx_glbl_pram->rxgstpack; |
| ack &= ~GRACEFUL_STOP_ACKNOWLEDGE_RX; |
| uec->p_rx_glbl_pram->rxgstpack = ack; |
| |
| /* Keep issuing cmd and checking ack bit until it is asserted */ |
| do { |
| /* Issue host command */ |
| cecr_subblock = |
| ucc_fast_get_qe_cr_subblock(uec->uec_info->uf_info.ucc_num); |
| qe_issue_cmd(QE_GRACEFUL_STOP_RX, cecr_subblock, |
| (u8)QE_CR_PROTOCOL_ETHERNET, 0); |
| ack = uec->p_rx_glbl_pram->rxgstpack; |
| } while (! (ack & GRACEFUL_STOP_ACKNOWLEDGE_RX )); |
| |
| uec->grace_stopped_rx = 1; |
| |
| return 0; |
| } |
| |
| static int uec_restart_tx(uec_private_t *uec) |
| { |
| u32 cecr_subblock; |
| |
| if (!uec || !uec->uec_info) { |
| printf("%s: No handle passed.\n", __FUNCTION__); |
| return -EINVAL; |
| } |
| |
| cecr_subblock = |
| ucc_fast_get_qe_cr_subblock(uec->uec_info->uf_info.ucc_num); |
| qe_issue_cmd(QE_RESTART_TX, cecr_subblock, |
| (u8)QE_CR_PROTOCOL_ETHERNET, 0); |
| |
| uec->grace_stopped_tx = 0; |
| |
| return 0; |
| } |
| |
| static int uec_restart_rx(uec_private_t *uec) |
| { |
| u32 cecr_subblock; |
| |
| if (!uec || !uec->uec_info) { |
| printf("%s: No handle passed.\n", __FUNCTION__); |
| return -EINVAL; |
| } |
| |
| cecr_subblock = |
| ucc_fast_get_qe_cr_subblock(uec->uec_info->uf_info.ucc_num); |
| qe_issue_cmd(QE_RESTART_RX, cecr_subblock, |
| (u8)QE_CR_PROTOCOL_ETHERNET, 0); |
| |
| uec->grace_stopped_rx = 0; |
| |
| return 0; |
| } |
| |
| static int uec_open(uec_private_t *uec, comm_dir_e mode) |
| { |
| ucc_fast_private_t *uccf; |
| |
| if (!uec || !uec->uccf) { |
| printf("%s: No handle passed.\n", __FUNCTION__); |
| return -EINVAL; |
| } |
| uccf = uec->uccf; |
| |
| /* check if the UCC number is in range. */ |
| if (uec->uec_info->uf_info.ucc_num >= UCC_MAX_NUM) { |
| printf("%s: ucc_num out of range.\n", __FUNCTION__); |
| return -EINVAL; |
| } |
| |
| /* Enable MAC */ |
| uec_mac_enable(uec, mode); |
| |
| /* Enable UCC fast */ |
| ucc_fast_enable(uccf, mode); |
| |
| /* RISC microcode start */ |
| if ((mode & COMM_DIR_TX) && uec->grace_stopped_tx) { |
| uec_restart_tx(uec); |
| } |
| if ((mode & COMM_DIR_RX) && uec->grace_stopped_rx) { |
| uec_restart_rx(uec); |
| } |
| |
| return 0; |
| } |
| |
| static int uec_stop(uec_private_t *uec, comm_dir_e mode) |
| { |
| if (!uec || !uec->uccf) { |
| printf("%s: No handle passed.\n", __FUNCTION__); |
| return -EINVAL; |
| } |
| |
| /* check if the UCC number is in range. */ |
| if (uec->uec_info->uf_info.ucc_num >= UCC_MAX_NUM) { |
| printf("%s: ucc_num out of range.\n", __FUNCTION__); |
| return -EINVAL; |
| } |
| /* Stop any transmissions */ |
| if ((mode & COMM_DIR_TX) && !uec->grace_stopped_tx) { |
| uec_graceful_stop_tx(uec); |
| } |
| /* Stop any receptions */ |
| if ((mode & COMM_DIR_RX) && !uec->grace_stopped_rx) { |
| uec_graceful_stop_rx(uec); |
| } |
| |
| /* Disable the UCC fast */ |
| ucc_fast_disable(uec->uccf, mode); |
| |
| /* Disable the MAC */ |
| uec_mac_disable(uec, mode); |
| |
| return 0; |
| } |
| |
| static int uec_set_mac_duplex(uec_private_t *uec, int duplex) |
| { |
| uec_t *uec_regs; |
| u32 maccfg2; |
| |
| if (!uec) { |
| printf("%s: uec not initial\n", __FUNCTION__); |
| return -EINVAL; |
| } |
| uec_regs = uec->uec_regs; |
| |
| if (duplex == DUPLEX_HALF) { |
| maccfg2 = in_be32(&uec_regs->maccfg2); |
| maccfg2 &= ~MACCFG2_FDX; |
| out_be32(&uec_regs->maccfg2, maccfg2); |
| } |
| |
| if (duplex == DUPLEX_FULL) { |
| maccfg2 = in_be32(&uec_regs->maccfg2); |
| maccfg2 |= MACCFG2_FDX; |
| out_be32(&uec_regs->maccfg2, maccfg2); |
| } |
| |
| return 0; |
| } |
| |
| static int uec_set_mac_if_mode(uec_private_t *uec, |
| phy_interface_t if_mode, int speed) |
| { |
| phy_interface_t enet_if_mode; |
| uec_t *uec_regs; |
| u32 upsmr; |
| u32 maccfg2; |
| |
| if (!uec) { |
| printf("%s: uec not initial\n", __FUNCTION__); |
| return -EINVAL; |
| } |
| |
| uec_regs = uec->uec_regs; |
| enet_if_mode = if_mode; |
| |
| maccfg2 = in_be32(&uec_regs->maccfg2); |
| maccfg2 &= ~MACCFG2_INTERFACE_MODE_MASK; |
| |
| upsmr = in_be32(&uec->uccf->uf_regs->upsmr); |
| upsmr &= ~(UPSMR_RPM | UPSMR_TBIM | UPSMR_R10M | UPSMR_RMM); |
| |
| switch (speed) { |
| case SPEED_10: |
| maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE; |
| switch (enet_if_mode) { |
| case PHY_INTERFACE_MODE_MII: |
| break; |
| case PHY_INTERFACE_MODE_RGMII: |
| upsmr |= (UPSMR_RPM | UPSMR_R10M); |
| break; |
| case PHY_INTERFACE_MODE_RMII: |
| upsmr |= (UPSMR_R10M | UPSMR_RMM); |
| break; |
| default: |
| return -EINVAL; |
| break; |
| } |
| break; |
| case SPEED_100: |
| maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE; |
| switch (enet_if_mode) { |
| case PHY_INTERFACE_MODE_MII: |
| break; |
| case PHY_INTERFACE_MODE_RGMII: |
| upsmr |= UPSMR_RPM; |
| break; |
| case PHY_INTERFACE_MODE_RMII: |
| upsmr |= UPSMR_RMM; |
| break; |
| default: |
| return -EINVAL; |
| break; |
| } |
| break; |
| case SPEED_1000: |
| maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE; |
| switch (enet_if_mode) { |
| case PHY_INTERFACE_MODE_GMII: |
| break; |
| case PHY_INTERFACE_MODE_TBI: |
| upsmr |= UPSMR_TBIM; |
| break; |
| case PHY_INTERFACE_MODE_RTBI: |
| upsmr |= (UPSMR_RPM | UPSMR_TBIM); |
| break; |
| case PHY_INTERFACE_MODE_RGMII_RXID: |
| case PHY_INTERFACE_MODE_RGMII_TXID: |
| case PHY_INTERFACE_MODE_RGMII_ID: |
| case PHY_INTERFACE_MODE_RGMII: |
| upsmr |= UPSMR_RPM; |
| break; |
| case PHY_INTERFACE_MODE_SGMII: |
| upsmr |= UPSMR_SGMM; |
| break; |
| default: |
| return -EINVAL; |
| break; |
| } |
| break; |
| default: |
| return -EINVAL; |
| break; |
| } |
| |
| out_be32(&uec_regs->maccfg2, maccfg2); |
| out_be32(&uec->uccf->uf_regs->upsmr, upsmr); |
| |
| return 0; |
| } |
| |
| static int init_mii_management_configuration(uec_mii_t *uec_mii_regs) |
| { |
| uint timeout = 0x1000; |
| u32 miimcfg = 0; |
| |
| miimcfg = in_be32(&uec_mii_regs->miimcfg); |
| miimcfg |= MIIMCFG_MNGMNT_CLC_DIV_INIT_VALUE; |
| out_be32(&uec_mii_regs->miimcfg, miimcfg); |
| |
| /* Wait until the bus is free */ |
| while ((in_be32(&uec_mii_regs->miimcfg) & MIIMIND_BUSY) && timeout--); |
| if (timeout <= 0) { |
| printf("%s: The MII Bus is stuck!", __FUNCTION__); |
| return -ETIMEDOUT; |
| } |
| |
| return 0; |
| } |
| |
| static int init_phy(struct eth_device *dev) |
| { |
| uec_private_t *uec; |
| uec_mii_t *umii_regs; |
| struct uec_mii_info *mii_info; |
| struct phy_info *curphy; |
| int err; |
| |
| uec = (uec_private_t *)dev->priv; |
| umii_regs = uec->uec_mii_regs; |
| |
| uec->oldlink = 0; |
| uec->oldspeed = 0; |
| uec->oldduplex = -1; |
| |
| mii_info = malloc(sizeof(*mii_info)); |
| if (!mii_info) { |
| printf("%s: Could not allocate mii_info", dev->name); |
| return -ENOMEM; |
| } |
| memset(mii_info, 0, sizeof(*mii_info)); |
| |
| if (uec->uec_info->uf_info.eth_type == GIGA_ETH) { |
| mii_info->speed = SPEED_1000; |
| } else { |
| mii_info->speed = SPEED_100; |
| } |
| |
| mii_info->duplex = DUPLEX_FULL; |
| mii_info->pause = 0; |
| mii_info->link = 1; |
| |
| mii_info->advertising = (ADVERTISED_10baseT_Half | |
| ADVERTISED_10baseT_Full | |
| ADVERTISED_100baseT_Half | |
| ADVERTISED_100baseT_Full | |
| ADVERTISED_1000baseT_Full); |
| mii_info->autoneg = 1; |
| mii_info->mii_id = uec->uec_info->phy_address; |
| mii_info->dev = dev; |
| |
| mii_info->mdio_read = &uec_read_phy_reg; |
| mii_info->mdio_write = &uec_write_phy_reg; |
| |
| uec->mii_info = mii_info; |
| |
| qe_set_mii_clk_src(uec->uec_info->uf_info.ucc_num); |
| |
| if (init_mii_management_configuration(umii_regs)) { |
| printf("%s: The MII Bus is stuck!", dev->name); |
| err = -1; |
| goto bus_fail; |
| } |
| |
| /* get info for this PHY */ |
| curphy = uec_get_phy_info(uec->mii_info); |
| if (!curphy) { |
| printf("%s: No PHY found", dev->name); |
| err = -1; |
| goto no_phy; |
| } |
| |
| mii_info->phyinfo = curphy; |
| |
| /* Run the commands which initialize the PHY */ |
| if (curphy->init) { |
| err = curphy->init(uec->mii_info); |
| if (err) |
| goto phy_init_fail; |
| } |
| |
| return 0; |
| |
| phy_init_fail: |
| no_phy: |
| bus_fail: |
| free(mii_info); |
| return err; |
| } |
| |
| static void adjust_link(struct eth_device *dev) |
| { |
| uec_private_t *uec = (uec_private_t *)dev->priv; |
| struct uec_mii_info *mii_info = uec->mii_info; |
| |
| extern void change_phy_interface_mode(struct eth_device *dev, |
| phy_interface_t mode, int speed); |
| |
| if (mii_info->link) { |
| /* Now we make sure that we can be in full duplex mode. |
| * If not, we operate in half-duplex mode. */ |
| if (mii_info->duplex != uec->oldduplex) { |
| if (!(mii_info->duplex)) { |
| uec_set_mac_duplex(uec, DUPLEX_HALF); |
| printf("%s: Half Duplex\n", dev->name); |
| } else { |
| uec_set_mac_duplex(uec, DUPLEX_FULL); |
| printf("%s: Full Duplex\n", dev->name); |
| } |
| uec->oldduplex = mii_info->duplex; |
| } |
| |
| if (mii_info->speed != uec->oldspeed) { |
| phy_interface_t mode = |
| uec->uec_info->enet_interface_type; |
| if (uec->uec_info->uf_info.eth_type == GIGA_ETH) { |
| switch (mii_info->speed) { |
| case SPEED_1000: |
| break; |
| case SPEED_100: |
| printf ("switching to rgmii 100\n"); |
| mode = PHY_INTERFACE_MODE_RGMII; |
| break; |
| case SPEED_10: |
| printf ("switching to rgmii 10\n"); |
| mode = PHY_INTERFACE_MODE_RGMII; |
| break; |
| default: |
| printf("%s: Ack,Speed(%d)is illegal\n", |
| dev->name, mii_info->speed); |
| break; |
| } |
| } |
| |
| /* change phy */ |
| change_phy_interface_mode(dev, mode, mii_info->speed); |
| /* change the MAC interface mode */ |
| uec_set_mac_if_mode(uec, mode, mii_info->speed); |
| |
| printf("%s: Speed %dBT\n", dev->name, mii_info->speed); |
| uec->oldspeed = mii_info->speed; |
| } |
| |
| if (!uec->oldlink) { |
| printf("%s: Link is up\n", dev->name); |
| uec->oldlink = 1; |
| } |
| |
| } else { /* if (mii_info->link) */ |
| if (uec->oldlink) { |
| printf("%s: Link is down\n", dev->name); |
| uec->oldlink = 0; |
| uec->oldspeed = 0; |
| uec->oldduplex = -1; |
| } |
| } |
| } |
| |
| static void phy_change(struct eth_device *dev) |
| { |
| uec_private_t *uec = (uec_private_t *)dev->priv; |
| |
| #if defined(CONFIG_P1012) || defined(CONFIG_P1021) || defined(CONFIG_P1025) |
| ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); |
| |
| /* QE9 and QE12 need to be set for enabling QE MII managment signals */ |
| setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE9); |
| setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE12); |
| #endif |
| |
| /* Update the link, speed, duplex */ |
| uec->mii_info->phyinfo->read_status(uec->mii_info); |
| |
| #if defined(CONFIG_P1012) || defined(CONFIG_P1021) || defined(CONFIG_P1025) |
| /* |
| * QE12 is muxed with LBCTL, it needs to be released for enabling |
| * LBCTL signal for LBC usage. |
| */ |
| clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE12); |
| #endif |
| |
| /* Adjust the interface according to speed */ |
| adjust_link(dev); |
| } |
| |
| #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) |
| |
| /* |
| * Find a device index from the devlist by name |
| * |
| * Returns: |
| * The index where the device is located, -1 on error |
| */ |
| static int uec_miiphy_find_dev_by_name(const char *devname) |
| { |
| int i; |
| |
| for (i = 0; i < MAXCONTROLLERS; i++) { |
| if (strncmp(devname, devlist[i]->name, strlen(devname)) == 0) { |
| break; |
| } |
| } |
| |
| /* If device cannot be found, returns -1 */ |
| if (i == MAXCONTROLLERS) { |
| debug ("%s: device %s not found in devlist\n", __FUNCTION__, devname); |
| i = -1; |
| } |
| |
| return i; |
| } |
| |
| /* |
| * Read a MII PHY register. |
| * |
| * Returns: |
| * 0 on success |
| */ |
| static int uec_miiphy_read(struct mii_dev *bus, int addr, int devad, int reg) |
| { |
| unsigned short value = 0; |
| int devindex = 0; |
| |
| if (bus->name == NULL || &value == NULL) { |
| debug("%s: NULL pointer given\n", __FUNCTION__); |
| } else { |
| devindex = uec_miiphy_find_dev_by_name(bus->name); |
| if (devindex >= 0) { |
| value = uec_read_phy_reg(devlist[devindex], addr, reg); |
| } |
| } |
| return value; |
| } |
| |
| /* |
| * Write a MII PHY register. |
| * |
| * Returns: |
| * 0 on success |
| */ |
| static int uec_miiphy_write(struct mii_dev *bus, int addr, int devad, int reg, |
| u16 value) |
| { |
| int devindex = 0; |
| |
| if (bus->name == NULL) { |
| debug("%s: NULL pointer given\n", __FUNCTION__); |
| } else { |
| devindex = uec_miiphy_find_dev_by_name(bus->name); |
| if (devindex >= 0) { |
| uec_write_phy_reg(devlist[devindex], addr, reg, value); |
| } |
| } |
| return 0; |
| } |
| #endif |
| |
| static int uec_set_mac_address(uec_private_t *uec, u8 *mac_addr) |
| { |
| uec_t *uec_regs; |
| u32 mac_addr1; |
| u32 mac_addr2; |
| |
| if (!uec) { |
| printf("%s: uec not initial\n", __FUNCTION__); |
| return -EINVAL; |
| } |
| |
| uec_regs = uec->uec_regs; |
| |
| /* if a station address of 0x12345678ABCD, perform a write to |
| MACSTNADDR1 of 0xCDAB7856, |
| MACSTNADDR2 of 0x34120000 */ |
| |
| mac_addr1 = (mac_addr[5] << 24) | (mac_addr[4] << 16) | \ |
| (mac_addr[3] << 8) | (mac_addr[2]); |
| out_be32(&uec_regs->macstnaddr1, mac_addr1); |
| |
| mac_addr2 = ((mac_addr[1] << 24) | (mac_addr[0] << 16)) & 0xffff0000; |
| out_be32(&uec_regs->macstnaddr2, mac_addr2); |
| |
| return 0; |
| } |
| |
| static int uec_convert_threads_num(uec_num_of_threads_e threads_num, |
| int *threads_num_ret) |
| { |
| int num_threads_numerica; |
| |
| switch (threads_num) { |
| case UEC_NUM_OF_THREADS_1: |
| num_threads_numerica = 1; |
| break; |
| case UEC_NUM_OF_THREADS_2: |
| num_threads_numerica = 2; |
| break; |
| case UEC_NUM_OF_THREADS_4: |
| num_threads_numerica = 4; |
| break; |
| case UEC_NUM_OF_THREADS_6: |
| num_threads_numerica = 6; |
| break; |
| case UEC_NUM_OF_THREADS_8: |
| num_threads_numerica = 8; |
| break; |
| default: |
| printf("%s: Bad number of threads value.", |
| __FUNCTION__); |
| return -EINVAL; |
| } |
| |
| *threads_num_ret = num_threads_numerica; |
| |
| return 0; |
| } |
| |
| static void uec_init_tx_parameter(uec_private_t *uec, int num_threads_tx) |
| { |
| uec_info_t *uec_info; |
| u32 end_bd; |
| u8 bmrx = 0; |
| int i; |
| |
| uec_info = uec->uec_info; |
| |
| /* Alloc global Tx parameter RAM page */ |
| uec->tx_glbl_pram_offset = qe_muram_alloc( |
| sizeof(uec_tx_global_pram_t), |
| UEC_TX_GLOBAL_PRAM_ALIGNMENT); |
| uec->p_tx_glbl_pram = (uec_tx_global_pram_t *) |
| qe_muram_addr(uec->tx_glbl_pram_offset); |
| |
| /* Zero the global Tx prameter RAM */ |
| memset(uec->p_tx_glbl_pram, 0, sizeof(uec_tx_global_pram_t)); |
| |
| /* Init global Tx parameter RAM */ |
| |
| /* TEMODER, RMON statistics disable, one Tx queue */ |
| out_be16(&uec->p_tx_glbl_pram->temoder, TEMODER_INIT_VALUE); |
| |
| /* SQPTR */ |
| uec->send_q_mem_reg_offset = qe_muram_alloc( |
| sizeof(uec_send_queue_qd_t), |
| UEC_SEND_QUEUE_QUEUE_DESCRIPTOR_ALIGNMENT); |
| uec->p_send_q_mem_reg = (uec_send_queue_mem_region_t *) |
| qe_muram_addr(uec->send_q_mem_reg_offset); |
| out_be32(&uec->p_tx_glbl_pram->sqptr, uec->send_q_mem_reg_offset); |
| |
| /* Setup the table with TxBDs ring */ |
| end_bd = (u32)uec->p_tx_bd_ring + (uec_info->tx_bd_ring_len - 1) |
| * SIZEOFBD; |
| out_be32(&uec->p_send_q_mem_reg->sqqd[0].bd_ring_base, |
| (u32)(uec->p_tx_bd_ring)); |
| out_be32(&uec->p_send_q_mem_reg->sqqd[0].last_bd_completed_address, |
| end_bd); |
| |
| /* Scheduler Base Pointer, we have only one Tx queue, no need it */ |
| out_be32(&uec->p_tx_glbl_pram->schedulerbasepointer, 0); |
| |
| /* TxRMON Base Pointer, TxRMON disable, we don't need it */ |
| out_be32(&uec->p_tx_glbl_pram->txrmonbaseptr, 0); |
| |
| /* TSTATE, global snooping, big endian, the CSB bus selected */ |
| bmrx = BMR_INIT_VALUE; |
| out_be32(&uec->p_tx_glbl_pram->tstate, ((u32)(bmrx) << BMR_SHIFT)); |
| |
| /* IPH_Offset */ |
| for (i = 0; i < MAX_IPH_OFFSET_ENTRY; i++) { |
| out_8(&uec->p_tx_glbl_pram->iphoffset[i], 0); |
| } |
| |
| /* VTAG table */ |
| for (i = 0; i < UEC_TX_VTAG_TABLE_ENTRY_MAX; i++) { |
| out_be32(&uec->p_tx_glbl_pram->vtagtable[i], 0); |
| } |
| |
| /* TQPTR */ |
| uec->thread_dat_tx_offset = qe_muram_alloc( |
| num_threads_tx * sizeof(uec_thread_data_tx_t) + |
| 32 *(num_threads_tx == 1), UEC_THREAD_DATA_ALIGNMENT); |
| |
| uec->p_thread_data_tx = (uec_thread_data_tx_t *) |
| qe_muram_addr(uec->thread_dat_tx_offset); |
| out_be32(&uec->p_tx_glbl_pram->tqptr, uec->thread_dat_tx_offset); |
| } |
| |
| static void uec_init_rx_parameter(uec_private_t *uec, int num_threads_rx) |
| { |
| u8 bmrx = 0; |
| int i; |
| uec_82xx_address_filtering_pram_t *p_af_pram; |
| |
| /* Allocate global Rx parameter RAM page */ |
| uec->rx_glbl_pram_offset = qe_muram_alloc( |
| sizeof(uec_rx_global_pram_t), UEC_RX_GLOBAL_PRAM_ALIGNMENT); |
| uec->p_rx_glbl_pram = (uec_rx_global_pram_t *) |
| qe_muram_addr(uec->rx_glbl_pram_offset); |
| |
| /* Zero Global Rx parameter RAM */ |
| memset(uec->p_rx_glbl_pram, 0, sizeof(uec_rx_global_pram_t)); |
| |
| /* Init global Rx parameter RAM */ |
| /* REMODER, Extended feature mode disable, VLAN disable, |
| LossLess flow control disable, Receive firmware statisic disable, |
| Extended address parsing mode disable, One Rx queues, |
| Dynamic maximum/minimum frame length disable, IP checksum check |
| disable, IP address alignment disable |
| */ |
| out_be32(&uec->p_rx_glbl_pram->remoder, REMODER_INIT_VALUE); |
| |
| /* RQPTR */ |
| uec->thread_dat_rx_offset = qe_muram_alloc( |
| num_threads_rx * sizeof(uec_thread_data_rx_t), |
| UEC_THREAD_DATA_ALIGNMENT); |
| uec->p_thread_data_rx = (uec_thread_data_rx_t *) |
| qe_muram_addr(uec->thread_dat_rx_offset); |
| out_be32(&uec->p_rx_glbl_pram->rqptr, uec->thread_dat_rx_offset); |
| |
| /* Type_or_Len */ |
| out_be16(&uec->p_rx_glbl_pram->typeorlen, 3072); |
| |
| /* RxRMON base pointer, we don't need it */ |
| out_be32(&uec->p_rx_glbl_pram->rxrmonbaseptr, 0); |
| |
| /* IntCoalescingPTR, we don't need it, no interrupt */ |
| out_be32(&uec->p_rx_glbl_pram->intcoalescingptr, 0); |
| |
| /* RSTATE, global snooping, big endian, the CSB bus selected */ |
| bmrx = BMR_INIT_VALUE; |
| out_8(&uec->p_rx_glbl_pram->rstate, bmrx); |
| |
| /* MRBLR */ |
| out_be16(&uec->p_rx_glbl_pram->mrblr, MAX_RXBUF_LEN); |
| |
| /* RBDQPTR */ |
| uec->rx_bd_qs_tbl_offset = qe_muram_alloc( |
| sizeof(uec_rx_bd_queues_entry_t) + \ |
| sizeof(uec_rx_prefetched_bds_t), |
| UEC_RX_BD_QUEUES_ALIGNMENT); |
| uec->p_rx_bd_qs_tbl = (uec_rx_bd_queues_entry_t *) |
| qe_muram_addr(uec->rx_bd_qs_tbl_offset); |
| |
| /* Zero it */ |
| memset(uec->p_rx_bd_qs_tbl, 0, sizeof(uec_rx_bd_queues_entry_t) + \ |
| sizeof(uec_rx_prefetched_bds_t)); |
| out_be32(&uec->p_rx_glbl_pram->rbdqptr, uec->rx_bd_qs_tbl_offset); |
| out_be32(&uec->p_rx_bd_qs_tbl->externalbdbaseptr, |
| (u32)uec->p_rx_bd_ring); |
| |
| /* MFLR */ |
| out_be16(&uec->p_rx_glbl_pram->mflr, MAX_FRAME_LEN); |
| /* MINFLR */ |
| out_be16(&uec->p_rx_glbl_pram->minflr, MIN_FRAME_LEN); |
| /* MAXD1 */ |
| out_be16(&uec->p_rx_glbl_pram->maxd1, MAX_DMA1_LEN); |
| /* MAXD2 */ |
| out_be16(&uec->p_rx_glbl_pram->maxd2, MAX_DMA2_LEN); |
| /* ECAM_PTR */ |
| out_be32(&uec->p_rx_glbl_pram->ecamptr, 0); |
| /* L2QT */ |
| out_be32(&uec->p_rx_glbl_pram->l2qt, 0); |
| /* L3QT */ |
| for (i = 0; i < 8; i++) { |
| out_be32(&uec->p_rx_glbl_pram->l3qt[i], 0); |
| } |
| |
| /* VLAN_TYPE */ |
| out_be16(&uec->p_rx_glbl_pram->vlantype, 0x8100); |
| /* TCI */ |
| out_be16(&uec->p_rx_glbl_pram->vlantci, 0); |
| |
| /* Clear PQ2 style address filtering hash table */ |
| p_af_pram = (uec_82xx_address_filtering_pram_t *) \ |
| uec->p_rx_glbl_pram->addressfiltering; |
| |
| p_af_pram->iaddr_h = 0; |
| p_af_pram->iaddr_l = 0; |
| p_af_pram->gaddr_h = 0; |
| p_af_pram->gaddr_l = 0; |
| } |
| |
| static int uec_issue_init_enet_rxtx_cmd(uec_private_t *uec, |
| int thread_tx, int thread_rx) |
| { |
| uec_init_cmd_pram_t *p_init_enet_param; |
| u32 init_enet_param_offset; |
| uec_info_t *uec_info; |
| int i; |
| int snum; |
| u32 init_enet_offset; |
| u32 entry_val; |
| u32 command; |
| u32 cecr_subblock; |
| |
| uec_info = uec->uec_info; |
| |
| /* Allocate init enet command parameter */ |
| uec->init_enet_param_offset = qe_muram_alloc( |
| sizeof(uec_init_cmd_pram_t), 4); |
| init_enet_param_offset = uec->init_enet_param_offset; |
| uec->p_init_enet_param = (uec_init_cmd_pram_t *) |
| qe_muram_addr(uec->init_enet_param_offset); |
| |
| /* Zero init enet command struct */ |
| memset((void *)uec->p_init_enet_param, 0, sizeof(uec_init_cmd_pram_t)); |
| |
| /* Init the command struct */ |
| p_init_enet_param = uec->p_init_enet_param; |
| p_init_enet_param->resinit0 = ENET_INIT_PARAM_MAGIC_RES_INIT0; |
| p_init_enet_param->resinit1 = ENET_INIT_PARAM_MAGIC_RES_INIT1; |
| p_init_enet_param->resinit2 = ENET_INIT_PARAM_MAGIC_RES_INIT2; |
| p_init_enet_param->resinit3 = ENET_INIT_PARAM_MAGIC_RES_INIT3; |
| p_init_enet_param->resinit4 = ENET_INIT_PARAM_MAGIC_RES_INIT4; |
| p_init_enet_param->largestexternallookupkeysize = 0; |
| |
| p_init_enet_param->rgftgfrxglobal |= ((u32)uec_info->num_threads_rx) |
| << ENET_INIT_PARAM_RGF_SHIFT; |
| p_init_enet_param->rgftgfrxglobal |= ((u32)uec_info->num_threads_tx) |
| << ENET_INIT_PARAM_TGF_SHIFT; |
| |
| /* Init Rx global parameter pointer */ |
| p_init_enet_param->rgftgfrxglobal |= uec->rx_glbl_pram_offset | |
| (u32)uec_info->risc_rx; |
| |
| /* Init Rx threads */ |
| for (i = 0; i < (thread_rx + 1); i++) { |
| if ((snum = qe_get_snum()) < 0) { |
| printf("%s can not get snum\n", __FUNCTION__); |
| return -ENOMEM; |
| } |
| |
| if (i==0) { |
| init_enet_offset = 0; |
| } else { |
| init_enet_offset = qe_muram_alloc( |
| sizeof(uec_thread_rx_pram_t), |
| UEC_THREAD_RX_PRAM_ALIGNMENT); |
| } |
| |
| entry_val = ((u32)snum << ENET_INIT_PARAM_SNUM_SHIFT) | |
| init_enet_offset | (u32)uec_info->risc_rx; |
| p_init_enet_param->rxthread[i] = entry_val; |
| } |
| |
| /* Init Tx global parameter pointer */ |
| p_init_enet_param->txglobal = uec->tx_glbl_pram_offset | |
| (u32)uec_info->risc_tx; |
| |
| /* Init Tx threads */ |
| for (i = 0; i < thread_tx; i++) { |
| if ((snum = qe_get_snum()) < 0) { |
| printf("%s can not get snum\n", __FUNCTION__); |
| return -ENOMEM; |
| } |
| |
| init_enet_offset = qe_muram_alloc(sizeof(uec_thread_tx_pram_t), |
| UEC_THREAD_TX_PRAM_ALIGNMENT); |
| |
| entry_val = ((u32)snum << ENET_INIT_PARAM_SNUM_SHIFT) | |
| init_enet_offset | (u32)uec_info->risc_tx; |
| p_init_enet_param->txthread[i] = entry_val; |
| } |
| |
| __asm__ __volatile__("sync"); |
| |
| /* Issue QE command */ |
| command = QE_INIT_TX_RX; |
| cecr_subblock = ucc_fast_get_qe_cr_subblock( |
| uec->uec_info->uf_info.ucc_num); |
| qe_issue_cmd(command, cecr_subblock, (u8) QE_CR_PROTOCOL_ETHERNET, |
| init_enet_param_offset); |
| |
| return 0; |
| } |
| |
| static int uec_startup(uec_private_t *uec) |
| { |
| uec_info_t *uec_info; |
| ucc_fast_info_t *uf_info; |
| ucc_fast_private_t *uccf; |
| ucc_fast_t *uf_regs; |
| uec_t *uec_regs; |
| int num_threads_tx; |
| int num_threads_rx; |
| u32 utbipar; |
| u32 length; |
| u32 align; |
| qe_bd_t *bd; |
| u8 *buf; |
| int i; |
| |
| if (!uec || !uec->uec_info) { |
| printf("%s: uec or uec_info not initial\n", __FUNCTION__); |
| return -EINVAL; |
| } |
| |
| uec_info = uec->uec_info; |
| uf_info = &(uec_info->uf_info); |
| |
| /* Check if Rx BD ring len is illegal */ |
| if ((uec_info->rx_bd_ring_len < UEC_RX_BD_RING_SIZE_MIN) || \ |
| (uec_info->rx_bd_ring_len % UEC_RX_BD_RING_SIZE_ALIGNMENT)) { |
| printf("%s: Rx BD ring len must be multiple of 4, and > 8.\n", |
| __FUNCTION__); |
| return -EINVAL; |
| } |
| |
| /* Check if Tx BD ring len is illegal */ |
| if (uec_info->tx_bd_ring_len < UEC_TX_BD_RING_SIZE_MIN) { |
| printf("%s: Tx BD ring length must not be smaller than 2.\n", |
| __FUNCTION__); |
| return -EINVAL; |
| } |
| |
| /* Check if MRBLR is illegal */ |
| if ((MAX_RXBUF_LEN == 0) || (MAX_RXBUF_LEN % UEC_MRBLR_ALIGNMENT)) { |
| printf("%s: max rx buffer length must be mutliple of 128.\n", |
| __FUNCTION__); |
| return -EINVAL; |
| } |
| |
| /* Both Rx and Tx are stopped */ |
| uec->grace_stopped_rx = 1; |
| uec->grace_stopped_tx = 1; |
| |
| /* Init UCC fast */ |
| if (ucc_fast_init(uf_info, &uccf)) { |
| printf("%s: failed to init ucc fast\n", __FUNCTION__); |
| return -ENOMEM; |
| } |
| |
| /* Save uccf */ |
| uec->uccf = uccf; |
| |
| /* Convert the Tx threads number */ |
| if (uec_convert_threads_num(uec_info->num_threads_tx, |
| &num_threads_tx)) { |
| return -EINVAL; |
| } |
| |
| /* Convert the Rx threads number */ |
| if (uec_convert_threads_num(uec_info->num_threads_rx, |
| &num_threads_rx)) { |
| return -EINVAL; |
| } |
| |
| uf_regs = uccf->uf_regs; |
| |
| /* UEC register is following UCC fast registers */ |
| uec_regs = (uec_t *)(&uf_regs->ucc_eth); |
| |
| /* Save the UEC register pointer to UEC private struct */ |
| uec->uec_regs = uec_regs; |
| |
| /* Init UPSMR, enable hardware statistics (UCC) */ |
| out_be32(&uec->uccf->uf_regs->upsmr, UPSMR_INIT_VALUE); |
| |
| /* Init MACCFG1, flow control disable, disable Tx and Rx */ |
| out_be32(&uec_regs->maccfg1, MACCFG1_INIT_VALUE); |
| |
| /* Init MACCFG2, length check, MAC PAD and CRC enable */ |
| out_be32(&uec_regs->maccfg2, MACCFG2_INIT_VALUE); |
| |
| /* Setup MAC interface mode */ |
| uec_set_mac_if_mode(uec, uec_info->enet_interface_type, uec_info->speed); |
| |
| /* Setup MII management base */ |
| #ifndef CONFIG_eTSEC_MDIO_BUS |
| uec->uec_mii_regs = (uec_mii_t *)(&uec_regs->miimcfg); |
| #else |
| uec->uec_mii_regs = (uec_mii_t *) CONFIG_MIIM_ADDRESS; |
| #endif |
| |
| /* Setup MII master clock source */ |
| qe_set_mii_clk_src(uec_info->uf_info.ucc_num); |
| |
| /* Setup UTBIPAR */ |
| utbipar = in_be32(&uec_regs->utbipar); |
| utbipar &= ~UTBIPAR_PHY_ADDRESS_MASK; |
| |
| /* Initialize UTBIPAR address to CONFIG_UTBIPAR_INIT_TBIPA for ALL UEC. |
| * This frees up the remaining SMI addresses for use. |
| */ |
| utbipar |= CONFIG_UTBIPAR_INIT_TBIPA << UTBIPAR_PHY_ADDRESS_SHIFT; |
| out_be32(&uec_regs->utbipar, utbipar); |
| |
| /* Configure the TBI for SGMII operation */ |
| if ((uec->uec_info->enet_interface_type == PHY_INTERFACE_MODE_SGMII) && |
| (uec->uec_info->speed == SPEED_1000)) { |
| uec_write_phy_reg(uec->dev, uec_regs->utbipar, |
| ENET_TBI_MII_ANA, TBIANA_SETTINGS); |
| |
| uec_write_phy_reg(uec->dev, uec_regs->utbipar, |
| ENET_TBI_MII_TBICON, TBICON_CLK_SELECT); |
| |
| uec_write_phy_reg(uec->dev, uec_regs->utbipar, |
| ENET_TBI_MII_CR, TBICR_SETTINGS); |
| } |
| |
| /* Allocate Tx BDs */ |
| length = ((uec_info->tx_bd_ring_len * SIZEOFBD) / |
| UEC_TX_BD_RING_SIZE_MEMORY_ALIGNMENT) * |
| UEC_TX_BD_RING_SIZE_MEMORY_ALIGNMENT; |
| if ((uec_info->tx_bd_ring_len * SIZEOFBD) % |
| UEC_TX_BD_RING_SIZE_MEMORY_ALIGNMENT) { |
| length += UEC_TX_BD_RING_SIZE_MEMORY_ALIGNMENT; |
| } |
| |
| align = UEC_TX_BD_RING_ALIGNMENT; |
| uec->tx_bd_ring_offset = (u32)malloc((u32)(length + align)); |
| if (uec->tx_bd_ring_offset != 0) { |
| uec->p_tx_bd_ring = (u8 *)((uec->tx_bd_ring_offset + align) |
| & ~(align - 1)); |
| } |
| |
| /* Zero all of Tx BDs */ |
| memset((void *)(uec->tx_bd_ring_offset), 0, length + align); |
| |
| /* Allocate Rx BDs */ |
| length = uec_info->rx_bd_ring_len * SIZEOFBD; |
| align = UEC_RX_BD_RING_ALIGNMENT; |
| uec->rx_bd_ring_offset = (u32)(malloc((u32)(length + align))); |
| if (uec->rx_bd_ring_offset != 0) { |
| uec->p_rx_bd_ring = (u8 *)((uec->rx_bd_ring_offset + align) |
| & ~(align - 1)); |
| } |
| |
| /* Zero all of Rx BDs */ |
| memset((void *)(uec->rx_bd_ring_offset), 0, length + align); |
| |
| /* Allocate Rx buffer */ |
| length = uec_info->rx_bd_ring_len * MAX_RXBUF_LEN; |
| align = UEC_RX_DATA_BUF_ALIGNMENT; |
| uec->rx_buf_offset = (u32)malloc(length + align); |
| if (uec->rx_buf_offset != 0) { |
| uec->p_rx_buf = (u8 *)((uec->rx_buf_offset + align) |
| & ~(align - 1)); |
| } |
| |
| /* Zero all of the Rx buffer */ |
| memset((void *)(uec->rx_buf_offset), 0, length + align); |
| |
| /* Init TxBD ring */ |
| bd = (qe_bd_t *)uec->p_tx_bd_ring; |
| uec->txBd = bd; |
| |
| for (i = 0; i < uec_info->tx_bd_ring_len; i++) { |
| BD_DATA_CLEAR(bd); |
| BD_STATUS_SET(bd, 0); |
| BD_LENGTH_SET(bd, 0); |
| bd ++; |
| } |
| BD_STATUS_SET((--bd), TxBD_WRAP); |
| |
| /* Init RxBD ring */ |
| bd = (qe_bd_t *)uec->p_rx_bd_ring; |
| uec->rxBd = bd; |
| buf = uec->p_rx_buf; |
| for (i = 0; i < uec_info->rx_bd_ring_len; i++) { |
| BD_DATA_SET(bd, buf); |
| BD_LENGTH_SET(bd, 0); |
| BD_STATUS_SET(bd, RxBD_EMPTY); |
| buf += MAX_RXBUF_LEN; |
| bd ++; |
| } |
| BD_STATUS_SET((--bd), RxBD_WRAP | RxBD_EMPTY); |
| |
| /* Init global Tx parameter RAM */ |
| uec_init_tx_parameter(uec, num_threads_tx); |
| |
| /* Init global Rx parameter RAM */ |
| uec_init_rx_parameter(uec, num_threads_rx); |
| |
| /* Init ethernet Tx and Rx parameter command */ |
| if (uec_issue_init_enet_rxtx_cmd(uec, num_threads_tx, |
| num_threads_rx)) { |
| printf("%s issue init enet cmd failed\n", __FUNCTION__); |
| return -ENOMEM; |
| } |
| |
| return 0; |
| } |
| |
| static int uec_init(struct eth_device* dev, bd_t *bd) |
| { |
| uec_private_t *uec; |
| int err, i; |
| struct phy_info *curphy; |
| #if defined(CONFIG_P1012) || defined(CONFIG_P1021) || defined(CONFIG_P1025) |
| ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); |
| #endif |
| |
| uec = (uec_private_t *)dev->priv; |
| |
| if (uec->the_first_run == 0) { |
| #if defined(CONFIG_P1012) || defined(CONFIG_P1021) || defined(CONFIG_P1025) |
| /* QE9 and QE12 need to be set for enabling QE MII managment signals */ |
| setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE9); |
| setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE12); |
| #endif |
| |
| err = init_phy(dev); |
| if (err) { |
| printf("%s: Cannot initialize PHY, aborting.\n", |
| dev->name); |
| return err; |
| } |
| |
| curphy = uec->mii_info->phyinfo; |
| |
| if (curphy->config_aneg) { |
| err = curphy->config_aneg(uec->mii_info); |
| if (err) { |
| printf("%s: Can't negotiate PHY\n", dev->name); |
| return err; |
| } |
| } |
| |
| /* Give PHYs up to 5 sec to report a link */ |
| i = 50; |
| do { |
| err = curphy->read_status(uec->mii_info); |
| if (!(((i-- > 0) && !uec->mii_info->link) || err)) |
| break; |
| udelay(100000); |
| } while (1); |
| |
| #if defined(CONFIG_P1012) || defined(CONFIG_P1021) || defined(CONFIG_P1025) |
| /* QE12 needs to be released for enabling LBCTL signal*/ |
| clrbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_QE12); |
| #endif |
| |
| if (err || i <= 0) |
| printf("warning: %s: timeout on PHY link\n", dev->name); |
| |
| adjust_link(dev); |
| uec->the_first_run = 1; |
| } |
| |
| /* Set up the MAC address */ |
| if (dev->enetaddr[0] & 0x01) { |
| printf("%s: MacAddress is multcast address\n", |
| __FUNCTION__); |
| return -1; |
| } |
| uec_set_mac_address(uec, dev->enetaddr); |
| |
| |
| err = uec_open(uec, COMM_DIR_RX_AND_TX); |
| if (err) { |
| printf("%s: cannot enable UEC device\n", dev->name); |
| return -1; |
| } |
| |
| phy_change(dev); |
| |
| return (uec->mii_info->link ? 0 : -1); |
| } |
| |
| static void uec_halt(struct eth_device* dev) |
| { |
| uec_private_t *uec = (uec_private_t *)dev->priv; |
| uec_stop(uec, COMM_DIR_RX_AND_TX); |
| } |
| |
| static int uec_send(struct eth_device *dev, void *buf, int len) |
| { |
| uec_private_t *uec; |
| ucc_fast_private_t *uccf; |
| volatile qe_bd_t *bd; |
| u16 status; |
| int i; |
| int result = 0; |
| |
| uec = (uec_private_t *)dev->priv; |
| uccf = uec->uccf; |
| bd = uec->txBd; |
| |
| /* Find an empty TxBD */ |
| for (i = 0; bd->status & TxBD_READY; i++) { |
| if (i > 0x100000) { |
| printf("%s: tx buffer not ready\n", dev->name); |
| return result; |
| } |
| } |
| |
| /* Init TxBD */ |
| BD_DATA_SET(bd, buf); |
| BD_LENGTH_SET(bd, len); |
| status = bd->status; |
| status &= BD_WRAP; |
| status |= (TxBD_READY | TxBD_LAST); |
| BD_STATUS_SET(bd, status); |
| |
| /* Tell UCC to transmit the buffer */ |
| ucc_fast_transmit_on_demand(uccf); |
| |
| /* Wait for buffer to be transmitted */ |
| for (i = 0; bd->status & TxBD_READY; i++) { |
| if (i > 0x100000) { |
| printf("%s: tx error\n", dev->name); |
| return result; |
| } |
| } |
| |
| /* Ok, the buffer be transimitted */ |
| BD_ADVANCE(bd, status, uec->p_tx_bd_ring); |
| uec->txBd = bd; |
| result = 1; |
| |
| return result; |
| } |
| |
| static int uec_recv(struct eth_device* dev) |
| { |
| uec_private_t *uec = dev->priv; |
| volatile qe_bd_t *bd; |
| u16 status; |
| u16 len; |
| u8 *data; |
| |
| bd = uec->rxBd; |
| status = bd->status; |
| |
| while (!(status & RxBD_EMPTY)) { |
| if (!(status & RxBD_ERROR)) { |
| data = BD_DATA(bd); |
| len = BD_LENGTH(bd); |
| net_process_received_packet(data, len); |
| } else { |
| printf("%s: Rx error\n", dev->name); |
| } |
| status &= BD_CLEAN; |
| BD_LENGTH_SET(bd, 0); |
| BD_STATUS_SET(bd, status | RxBD_EMPTY); |
| BD_ADVANCE(bd, status, uec->p_rx_bd_ring); |
| status = bd->status; |
| } |
| uec->rxBd = bd; |
| |
| return 1; |
| } |
| |
| int uec_initialize(bd_t *bis, uec_info_t *uec_info) |
| { |
| struct eth_device *dev; |
| int i; |
| uec_private_t *uec; |
| int err; |
| |
| dev = (struct eth_device *)malloc(sizeof(struct eth_device)); |
| if (!dev) |
| return 0; |
| memset(dev, 0, sizeof(struct eth_device)); |
| |
| /* Allocate the UEC private struct */ |
| uec = (uec_private_t *)malloc(sizeof(uec_private_t)); |
| if (!uec) { |
| return -ENOMEM; |
| } |
| memset(uec, 0, sizeof(uec_private_t)); |
| |
| /* Adjust uec_info */ |
| #if (MAX_QE_RISC == 4) |
| uec_info->risc_tx = QE_RISC_ALLOCATION_FOUR_RISCS; |
| uec_info->risc_rx = QE_RISC_ALLOCATION_FOUR_RISCS; |
| #endif |
| |
| devlist[uec_info->uf_info.ucc_num] = dev; |
| |
| uec->uec_info = uec_info; |
| uec->dev = dev; |
| |
| sprintf(dev->name, "UEC%d", uec_info->uf_info.ucc_num); |
| dev->iobase = 0; |
| dev->priv = (void *)uec; |
| dev->init = uec_init; |
| dev->halt = uec_halt; |
| dev->send = uec_send; |
| dev->recv = uec_recv; |
| |
| /* Clear the ethnet address */ |
| for (i = 0; i < 6; i++) |
| dev->enetaddr[i] = 0; |
| |
| eth_register(dev); |
| |
| err = uec_startup(uec); |
| if (err) { |
| printf("%s: Cannot configure net device, aborting.",dev->name); |
| return err; |
| } |
| |
| #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) |
| int retval; |
| struct mii_dev *mdiodev = mdio_alloc(); |
| if (!mdiodev) |
| return -ENOMEM; |
| strncpy(mdiodev->name, dev->name, MDIO_NAME_LEN); |
| mdiodev->read = uec_miiphy_read; |
| mdiodev->write = uec_miiphy_write; |
| |
| retval = mdio_register(mdiodev); |
| if (retval < 0) |
| return retval; |
| #endif |
| |
| return 1; |
| } |
| |
| int uec_eth_init(bd_t *bis, uec_info_t *uecs, int num) |
| { |
| int i; |
| |
| for (i = 0; i < num; i++) |
| uec_initialize(bis, &uecs[i]); |
| |
| return 0; |
| } |
| |
| int uec_standard_init(bd_t *bis) |
| { |
| return uec_eth_init(bis, uec_info, ARRAY_SIZE(uec_info)); |
| } |