diff options
Diffstat (limited to 'drivers/qe/uec.c')
| -rw-r--r-- | drivers/qe/uec.c | 1266 |
1 files changed, 0 insertions, 1266 deletions
diff --git a/drivers/qe/uec.c b/drivers/qe/uec.c deleted file mode 100644 index f640c81916..0000000000 --- a/drivers/qe/uec.c +++ /dev/null @@ -1,1266 +0,0 @@ -/* - * Copyright (C) 2006 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" - -#if defined(CONFIG_QE) - -#ifdef CONFIG_UEC_ETH1 -static uec_info_t eth1_uec_info = { - .uf_info = { - .ucc_num = CFG_UEC1_UCC_NUM, - .rx_clock = CFG_UEC1_RX_CLK, - .tx_clock = CFG_UEC1_TX_CLK, - .eth_type = CFG_UEC1_ETH_TYPE, - }, - .num_threads_tx = UEC_NUM_OF_THREADS_4, - .num_threads_rx = UEC_NUM_OF_THREADS_4, - .riscTx = QE_RISC_ALLOCATION_RISC1_AND_RISC2, - .riscRx = QE_RISC_ALLOCATION_RISC1_AND_RISC2, - .tx_bd_ring_len = 16, - .rx_bd_ring_len = 16, - .phy_address = CFG_UEC1_PHY_ADDR, - .enet_interface = CFG_UEC1_INTERFACE_MODE, -}; -#endif -#ifdef CONFIG_UEC_ETH2 -static uec_info_t eth2_uec_info = { - .uf_info = { - .ucc_num = CFG_UEC2_UCC_NUM, - .rx_clock = CFG_UEC2_RX_CLK, - .tx_clock = CFG_UEC2_TX_CLK, - .eth_type = CFG_UEC2_ETH_TYPE, - }, - .num_threads_tx = UEC_NUM_OF_THREADS_4, - .num_threads_rx = UEC_NUM_OF_THREADS_4, - .riscTx = QE_RISC_ALLOCATION_RISC1_AND_RISC2, - .riscRx = QE_RISC_ALLOCATION_RISC1_AND_RISC2, - .tx_bd_ring_len = 16, - .rx_bd_ring_len = 16, - .phy_address = CFG_UEC2_PHY_ADDR, - .enet_interface = CFG_UEC2_INTERFACE_MODE, -}; -#endif - -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) -{ - 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; - } - /* 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, enet_interface_e if_mode) -{ - enet_interface_e enet_if_mode; - uec_info_t *uec_info; - uec_t *uec_regs; - u32 upsmr; - u32 maccfg2; - - if (!uec) { - printf("%s: uec not initial\n", __FUNCTION__); - return -EINVAL; - } - - uec_info = uec->uec_info; - 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 (enet_if_mode) { - case ENET_100_MII: - case ENET_10_MII: - maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE; - break; - case ENET_1000_GMII: - maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE; - break; - case ENET_1000_TBI: - maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE; - upsmr |= UPSMR_TBIM; - break; - case ENET_1000_RTBI: - maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE; - upsmr |= (UPSMR_RPM | UPSMR_TBIM); - break; - case ENET_1000_RGMII: - maccfg2 |= MACCFG2_INTERFACE_MODE_BYTE; - upsmr |= UPSMR_RPM; - break; - case ENET_100_RGMII: - maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE; - upsmr |= UPSMR_RPM; - break; - case ENET_10_RGMII: - maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE; - upsmr |= (UPSMR_RPM | UPSMR_R10M); - break; - case ENET_100_RMII: - maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE; - upsmr |= UPSMR_RMM; - break; - case ENET_10_RMII: - maccfg2 |= MACCFG2_INTERFACE_MODE_NIBBLE; - upsmr |= (UPSMR_R10M | UPSMR_RMM); - 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_t *uec_regs) -{ - uint timeout = 0x1000; - u32 miimcfg = 0; - - miimcfg = in_be32(&uec_regs->miimcfg); - miimcfg |= MIIMCFG_MNGMNT_CLC_DIV_INIT_VALUE; - out_be32(&uec_regs->miimcfg, miimcfg); - - /* Wait until the bus is free */ - while ((in_be32(&uec_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_t *uec_regs; - struct uec_mii_info *mii_info; - struct phy_info *curphy; - int err; - - uec = (uec_private_t *)dev->priv; - uec_regs = uec->uec_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)); - - mii_info->speed = SPEED_1000; - 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 = &read_phy_reg; - mii_info->mdio_write = &write_phy_reg; - - uec->mii_info = mii_info; - - if (init_mii_management_configuration(uec_regs)) { - printf("%s: The MII Bus is stuck!", dev->name); - err = -1; - goto bus_fail; - } - - /* get info for this PHY */ - curphy = 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; - uec_t *uec_regs; - struct uec_mii_info *mii_info = uec->mii_info; - - extern void change_phy_interface_mode(struct eth_device *dev, - enet_interface_e mode); - uec_regs = uec->uec_regs; - - 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) { - switch (mii_info->speed) { - case 1000: - break; - case 100: - printf ("switching to rgmii 100\n"); - /* change phy to rgmii 100 */ - change_phy_interface_mode(dev, - ENET_100_RGMII); - /* change the MAC interface mode */ - uec_set_mac_if_mode(uec,ENET_100_RGMII); - break; - case 10: - printf ("switching to rgmii 10\n"); - /* change phy to rgmii 10 */ - change_phy_interface_mode(dev, - ENET_10_RGMII); - /* change the MAC interface mode */ - uec_set_mac_if_mode(uec,ENET_10_RGMII); - break; - default: - printf("%s: Ack,Speed(%d)is illegal\n", - dev->name, mii_info->speed); - break; - } - - 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; - uec_t *uec_regs; - int result = 0; - - uec_regs = uec->uec_regs; - - /* Delay 5s to give the PHY a chance to change the register state */ - udelay(5000000); - - /* Update the link, speed, duplex */ - result = uec->mii_info->phyinfo->read_status(uec->mii_info); - - /* Adjust the interface according to speed */ - if ((0 == result) || (uec->mii_info->link == 0)) { - adjust_link(dev); - } -} - -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->riscRx; - - /* 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->riscRx; - 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->riscTx; - - /* 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->riscTx; - 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; - enet_interface_e enet_interface; - 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); - - /* 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; - enet_interface = uec->uec_info->enet_interface; - if (enet_interface == ENET_1000_TBI || - enet_interface == ENET_1000_RTBI) { - utbipar |= (uec_info->phy_address + uec_info->uf_info.ucc_num) - << UTBIPAR_PHY_ADDRESS_SHIFT; - } else { - utbipar |= (0x10 + uec_info->uf_info.ucc_num) - << UTBIPAR_PHY_ADDRESS_SHIFT; - } - - out_be32(&uec_regs->utbipar, utbipar); - - /* 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; - - uec = (uec_private_t *)dev->priv; - - if (uec->the_first_run == 0) { - /* Set up the MAC address */ - if (dev->enetaddr[0] & 0x01) { - printf("%s: MacAddress is multcast address\n", - __FUNCTION__); - return -EINVAL; - } - uec_set_mac_address(uec, dev->enetaddr); - uec->the_first_run = 1; - } - - err = uec_open(uec, COMM_DIR_RX_AND_TX); - if (err) { - printf("%s: cannot enable UEC device\n", dev->name); - return err; - } - - return 0; -} - -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, volatile void *buf, int len) -{ - uec_private_t *uec; - ucc_fast_private_t *uccf; - volatile qe_bd_t *bd; - volatile 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(bd) & 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(bd); - 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 */ - status = BD_STATUS(bd); - for (i = 0; status & TxBD_READY; i++) { - if (i > 0x100000) { - printf("%s: tx error\n", dev->name); - return result; - } - status = BD_STATUS(bd); - } - - /* 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; - volatile u16 status; - u16 len; - u8 *data; - - bd = uec->rxBd; - status = BD_STATUS(bd); - - 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(bd); - } - uec->rxBd = bd; - - return 1; -} - -int uec_initialize(int index) -{ - struct eth_device *dev; - int i; - uec_private_t *uec; - uec_info_t *uec_info; - 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)); - - /* Init UEC private struct, they come from board.h */ - if (index == 0) { -#ifdef CONFIG_UEC_ETH1 - uec_info = ð1_uec_info; -#endif - } else if (index == 1) { -#ifdef CONFIG_UEC_ETH2 - uec_info = ð2_uec_info; -#endif - } else { - printf("%s: index is illegal.\n", __FUNCTION__); - return -EINVAL; - } - - uec->uec_info = uec_info; - - sprintf(dev->name, "FSL UEC%d", index); - 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; - } - - err = init_phy(dev); - if (err) { - printf("%s: Cannot initialize PHY, aborting.\n", dev->name); - return err; - } - - phy_change(dev); - - return 1; -} -#endif /* CONFIG_QE */ |