| /* | |
| * Copyright (C) 2006-2011 Freescale Semiconductor, Inc. | |
| * | |
| * Dave Liu <daveliu@freescale.com> | |
| * | |
| * This program is free software; you can redistribute it and/or | |
| * modify it under the terms of the GNU General Public License as | |
| * published by the Free Software Foundation; either version 2 of | |
| * the License, or (at your option) any later version. | |
| * | |
| * This program is distributed in the hope that it will be useful, | |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| * GNU General Public License for more details. | |
| * | |
| * You should have received a copy of the GNU General Public License | |
| * along with this program; if not, write to the Free Software | |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
| * MA 02111-1307 USA | |
| */ | |
| #include "common.h" | |
| #include "net.h" | |
| #include "malloc.h" | |
| #include "asm/errno.h" | |
| #include "asm/io.h" | |
| #include "asm/immap_qe.h" | |
| #include "qe.h" | |
| #include "uccf.h" | |
| #include "uec.h" | |
| #include "uec_phy.h" | |
| #include "miiphy.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_P1016) || \ | |
| 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_P1016) || \ | |
| 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(const char *devname, unsigned char addr, | |
| unsigned char reg, unsigned short *value) | |
| { | |
| int devindex = 0; | |
| if (devname == NULL || value == NULL) { | |
| debug("%s: NULL pointer given\n", __FUNCTION__); | |
| } else { | |
| devindex = uec_miiphy_find_dev_by_name(devname); | |
| if (devindex >= 0) { | |
| *value = uec_read_phy_reg(devlist[devindex], addr, reg); | |
| } | |
| } | |
| return 0; | |
| } | |
| /* | |
| * Write a MII PHY register. | |
| * | |
| * Returns: | |
| * 0 on success | |
| */ | |
| static int uec_miiphy_write(const char *devname, unsigned char addr, | |
| unsigned char reg, unsigned short value) | |
| { | |
| int devindex = 0; | |
| if (devname == NULL) { | |
| debug("%s: NULL pointer given\n", __FUNCTION__); | |
| } else { | |
| devindex = uec_miiphy_find_dev_by_name(devname); | |
| 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_P1016) || \ | |
| 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_P1016) || \ | |
| 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_P1016) || \ | |
| 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); | |
| NetReceive(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) | |
| miiphy_register(dev->name, uec_miiphy_read, uec_miiphy_write); | |
| #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)); | |
| } |