diff options
Diffstat (limited to 'drivers/net/chelsio/subr.c')
| -rw-r--r-- | drivers/net/chelsio/subr.c | 812 |
1 files changed, 0 insertions, 812 deletions
diff --git a/drivers/net/chelsio/subr.c b/drivers/net/chelsio/subr.c deleted file mode 100644 index 1ebb5d149ae..00000000000 --- a/drivers/net/chelsio/subr.c +++ /dev/null @@ -1,812 +0,0 @@ -/***************************************************************************** - * * - * File: subr.c * - * $Revision: 1.27 $ * - * $Date: 2005/06/22 01:08:36 $ * - * Description: * - * Various subroutines (intr,pio,etc.) used by Chelsio 10G Ethernet driver. * - * part of the Chelsio 10Gb Ethernet Driver. * - * * - * This program is free software; you can redistribute it and/or modify * - * it under the terms of the GNU General Public License, version 2, as * - * published by the Free Software Foundation. * - * * - * 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. * - * * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED * - * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF * - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. * - * * - * http://www.chelsio.com * - * * - * Copyright (c) 2003 - 2005 Chelsio Communications, Inc. * - * All rights reserved. * - * * - * Maintainers: maintainers@chelsio.com * - * * - * Authors: Dimitrios Michailidis <dm@chelsio.com> * - * Tina Yang <tainay@chelsio.com> * - * Felix Marti <felix@chelsio.com> * - * Scott Bardone <sbardone@chelsio.com> * - * Kurt Ottaway <kottaway@chelsio.com> * - * Frank DiMambro <frank@chelsio.com> * - * * - * History: * - * * - ****************************************************************************/ - -#include "common.h" -#include "elmer0.h" -#include "regs.h" -#include "gmac.h" -#include "cphy.h" -#include "sge.h" -#include "espi.h" - -/** - * t1_wait_op_done - wait until an operation is completed - * @adapter: the adapter performing the operation - * @reg: the register to check for completion - * @mask: a single-bit field within @reg that indicates completion - * @polarity: the value of the field when the operation is completed - * @attempts: number of check iterations - * @delay: delay in usecs between iterations - * - * Wait until an operation is completed by checking a bit in a register - * up to @attempts times. Returns %0 if the operation completes and %1 - * otherwise. - */ -static int t1_wait_op_done(adapter_t *adapter, int reg, u32 mask, int polarity, - int attempts, int delay) -{ - while (1) { - u32 val = readl(adapter->regs + reg) & mask; - - if (!!val == polarity) - return 0; - if (--attempts == 0) - return 1; - if (delay) - udelay(delay); - } -} - -#define TPI_ATTEMPTS 50 - -/* - * Write a register over the TPI interface (unlocked and locked versions). - */ -static int __t1_tpi_write(adapter_t *adapter, u32 addr, u32 value) -{ - int tpi_busy; - - writel(addr, adapter->regs + A_TPI_ADDR); - writel(value, adapter->regs + A_TPI_WR_DATA); - writel(F_TPIWR, adapter->regs + A_TPI_CSR); - - tpi_busy = t1_wait_op_done(adapter, A_TPI_CSR, F_TPIRDY, 1, - TPI_ATTEMPTS, 3); - if (tpi_busy) - CH_ALERT("%s: TPI write to 0x%x failed\n", - adapter->name, addr); - return tpi_busy; -} - -int t1_tpi_write(adapter_t *adapter, u32 addr, u32 value) -{ - int ret; - - spin_lock(&(adapter)->tpi_lock); - ret = __t1_tpi_write(adapter, addr, value); - spin_unlock(&(adapter)->tpi_lock); - return ret; -} - -/* - * Read a register over the TPI interface (unlocked and locked versions). - */ -static int __t1_tpi_read(adapter_t *adapter, u32 addr, u32 *valp) -{ - int tpi_busy; - - writel(addr, adapter->regs + A_TPI_ADDR); - writel(0, adapter->regs + A_TPI_CSR); - - tpi_busy = t1_wait_op_done(adapter, A_TPI_CSR, F_TPIRDY, 1, - TPI_ATTEMPTS, 3); - if (tpi_busy) - CH_ALERT("%s: TPI read from 0x%x failed\n", - adapter->name, addr); - else - *valp = readl(adapter->regs + A_TPI_RD_DATA); - return tpi_busy; -} - -int t1_tpi_read(adapter_t *adapter, u32 addr, u32 *valp) -{ - int ret; - - spin_lock(&(adapter)->tpi_lock); - ret = __t1_tpi_read(adapter, addr, valp); - spin_unlock(&(adapter)->tpi_lock); - return ret; -} - -/* - * Called when a port's link settings change to propagate the new values to the - * associated PHY and MAC. After performing the common tasks it invokes an - * OS-specific handler. - */ -/* static */ void link_changed(adapter_t *adapter, int port_id) -{ - int link_ok, speed, duplex, fc; - struct cphy *phy = adapter->port[port_id].phy; - struct link_config *lc = &adapter->port[port_id].link_config; - - phy->ops->get_link_status(phy, &link_ok, &speed, &duplex, &fc); - - lc->speed = speed < 0 ? SPEED_INVALID : speed; - lc->duplex = duplex < 0 ? DUPLEX_INVALID : duplex; - if (!(lc->requested_fc & PAUSE_AUTONEG)) - fc = lc->requested_fc & (PAUSE_RX | PAUSE_TX); - - if (link_ok && speed >= 0 && lc->autoneg == AUTONEG_ENABLE) { - /* Set MAC speed, duplex, and flow control to match PHY. */ - struct cmac *mac = adapter->port[port_id].mac; - - mac->ops->set_speed_duplex_fc(mac, speed, duplex, fc); - lc->fc = (unsigned char)fc; - } - t1_link_changed(adapter, port_id, link_ok, speed, duplex, fc); -} - -static int t1_pci_intr_handler(adapter_t *adapter) -{ - u32 pcix_cause; - - pci_read_config_dword(adapter->pdev, A_PCICFG_INTR_CAUSE, &pcix_cause); - - if (pcix_cause) { - pci_write_config_dword(adapter->pdev, A_PCICFG_INTR_CAUSE, - pcix_cause); - t1_fatal_err(adapter); /* PCI errors are fatal */ - } - return 0; -} - - -/* - * Wait until Elmer's MI1 interface is ready for new operations. - */ -static int mi1_wait_until_ready(adapter_t *adapter, int mi1_reg) -{ - int attempts = 100, busy; - - do { - u32 val; - - __t1_tpi_read(adapter, mi1_reg, &val); - busy = val & F_MI1_OP_BUSY; - if (busy) - udelay(10); - } while (busy && --attempts); - if (busy) - CH_ALERT("%s: MDIO operation timed out\n", - adapter->name); - return busy; -} - -/* - * MI1 MDIO initialization. - */ -static void mi1_mdio_init(adapter_t *adapter, const struct board_info *bi) -{ - u32 clkdiv = bi->clock_elmer0 / (2 * bi->mdio_mdc) - 1; - u32 val = F_MI1_PREAMBLE_ENABLE | V_MI1_MDI_INVERT(bi->mdio_mdiinv) | - V_MI1_MDI_ENABLE(bi->mdio_mdien) | V_MI1_CLK_DIV(clkdiv); - - if (!(bi->caps & SUPPORTED_10000baseT_Full)) - val |= V_MI1_SOF(1); - t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_CFG, val); -} - -static int mi1_mdio_ext_read(adapter_t *adapter, int phy_addr, int mmd_addr, - int reg_addr, unsigned int *valp) -{ - u32 addr = V_MI1_REG_ADDR(mmd_addr) | V_MI1_PHY_ADDR(phy_addr); - - spin_lock(&(adapter)->tpi_lock); - - /* Write the address we want. */ - __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_ADDR, addr); - __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_DATA, reg_addr); - __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_OP, - MI1_OP_INDIRECT_ADDRESS); - mi1_wait_until_ready(adapter, A_ELMER0_PORT0_MI1_OP); - - /* Write the operation we want. */ - __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_OP, MI1_OP_INDIRECT_READ); - mi1_wait_until_ready(adapter, A_ELMER0_PORT0_MI1_OP); - - /* Read the data. */ - __t1_tpi_read(adapter, A_ELMER0_PORT0_MI1_DATA, valp); - spin_unlock(&(adapter)->tpi_lock); - return 0; -} - -static int mi1_mdio_ext_write(adapter_t *adapter, int phy_addr, int mmd_addr, - int reg_addr, unsigned int val) -{ - u32 addr = V_MI1_REG_ADDR(mmd_addr) | V_MI1_PHY_ADDR(phy_addr); - - spin_lock(&(adapter)->tpi_lock); - - /* Write the address we want. */ - __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_ADDR, addr); - __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_DATA, reg_addr); - __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_OP, - MI1_OP_INDIRECT_ADDRESS); - mi1_wait_until_ready(adapter, A_ELMER0_PORT0_MI1_OP); - - /* Write the data. */ - __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_DATA, val); - __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_OP, MI1_OP_INDIRECT_WRITE); - mi1_wait_until_ready(adapter, A_ELMER0_PORT0_MI1_OP); - spin_unlock(&(adapter)->tpi_lock); - return 0; -} - -static struct mdio_ops mi1_mdio_ext_ops = { - mi1_mdio_init, - mi1_mdio_ext_read, - mi1_mdio_ext_write -}; - -enum { - CH_BRD_N110_1F, - CH_BRD_N210_1F, -}; - -static struct board_info t1_board[] = { - -{ CHBT_BOARD_N110, 1/*ports#*/, - SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE /*caps*/, CHBT_TERM_T1, - CHBT_MAC_PM3393, CHBT_PHY_88X2010, - 125000000/*clk-core*/, 0/*clk-mc3*/, 0/*clk-mc4*/, - 1/*espi-ports*/, 0/*clk-cspi*/, 44/*clk-elmer0*/, 0/*mdien*/, - 0/*mdiinv*/, 1/*mdc*/, 0/*phybaseaddr*/, &t1_pm3393_ops, - &t1_mv88x201x_ops, &mi1_mdio_ext_ops, - "Chelsio N110 1x10GBaseX NIC" }, - -{ CHBT_BOARD_N210, 1/*ports#*/, - SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE /*caps*/, CHBT_TERM_T2, - CHBT_MAC_PM3393, CHBT_PHY_88X2010, - 125000000/*clk-core*/, 0/*clk-mc3*/, 0/*clk-mc4*/, - 1/*espi-ports*/, 0/*clk-cspi*/, 44/*clk-elmer0*/, 0/*mdien*/, - 0/*mdiinv*/, 1/*mdc*/, 0/*phybaseaddr*/, &t1_pm3393_ops, - &t1_mv88x201x_ops, &mi1_mdio_ext_ops, - "Chelsio N210 1x10GBaseX NIC" }, - -}; - -struct pci_device_id t1_pci_tbl[] = { - CH_DEVICE(7, 0, CH_BRD_N110_1F), - CH_DEVICE(10, 1, CH_BRD_N210_1F), - { 0, } -}; - -MODULE_DEVICE_TABLE(pci, t1_pci_tbl); - -/* - * Return the board_info structure with a given index. Out-of-range indices - * return NULL. - */ -const struct board_info *t1_get_board_info(unsigned int board_id) -{ - return board_id < ARRAY_SIZE(t1_board) ? &t1_board[board_id] : NULL; -} - -struct chelsio_vpd_t { - u32 format_version; - u8 serial_number[16]; - u8 mac_base_address[6]; - u8 pad[2]; /* make multiple-of-4 size requirement explicit */ -}; - -#define EEPROMSIZE (8 * 1024) -#define EEPROM_MAX_POLL 4 - -/* - * Read SEEPROM. A zero is written to the flag register when the addres is - * written to the Control register. The hardware device will set the flag to a - * one when 4B have been transferred to the Data register. - */ -int t1_seeprom_read(adapter_t *adapter, u32 addr, u32 *data) -{ - int i = EEPROM_MAX_POLL; - u16 val; - - if (addr >= EEPROMSIZE || (addr & 3)) - return -EINVAL; - - pci_write_config_word(adapter->pdev, A_PCICFG_VPD_ADDR, (u16)addr); - do { - udelay(50); - pci_read_config_word(adapter->pdev, A_PCICFG_VPD_ADDR, &val); - } while (!(val & F_VPD_OP_FLAG) && --i); - - if (!(val & F_VPD_OP_FLAG)) { - CH_ERR("%s: reading EEPROM address 0x%x failed\n", - adapter->name, addr); - return -EIO; - } - pci_read_config_dword(adapter->pdev, A_PCICFG_VPD_DATA, data); - *data = le32_to_cpu(*data); - return 0; -} - -static int t1_eeprom_vpd_get(adapter_t *adapter, struct chelsio_vpd_t *vpd) -{ - int addr, ret = 0; - - for (addr = 0; !ret && addr < sizeof(*vpd); addr += sizeof(u32)) - ret = t1_seeprom_read(adapter, addr, - (u32 *)((u8 *)vpd + addr)); - - return ret; -} - -/* - * Read a port's MAC address from the VPD ROM. - */ -static int vpd_macaddress_get(adapter_t *adapter, int index, u8 mac_addr[]) -{ - struct chelsio_vpd_t vpd; - - if (t1_eeprom_vpd_get(adapter, &vpd)) - return 1; - memcpy(mac_addr, vpd.mac_base_address, 5); - mac_addr[5] = vpd.mac_base_address[5] + index; - return 0; -} - -/* - * Set up the MAC/PHY according to the requested link settings. - * - * If the PHY can auto-negotiate first decide what to advertise, then - * enable/disable auto-negotiation as desired and reset. - * - * If the PHY does not auto-negotiate we just reset it. - * - * If auto-negotiation is off set the MAC to the proper speed/duplex/FC, - * otherwise do it later based on the outcome of auto-negotiation. - */ -int t1_link_start(struct cphy *phy, struct cmac *mac, struct link_config *lc) -{ - unsigned int fc = lc->requested_fc & (PAUSE_RX | PAUSE_TX); - - if (lc->supported & SUPPORTED_Autoneg) { - lc->advertising &= ~(ADVERTISED_ASYM_PAUSE | ADVERTISED_PAUSE); - if (fc) { - lc->advertising |= ADVERTISED_ASYM_PAUSE; - if (fc == (PAUSE_RX | PAUSE_TX)) - lc->advertising |= ADVERTISED_PAUSE; - } - phy->ops->advertise(phy, lc->advertising); - - if (lc->autoneg == AUTONEG_DISABLE) { - lc->speed = lc->requested_speed; - lc->duplex = lc->requested_duplex; - lc->fc = (unsigned char)fc; - mac->ops->set_speed_duplex_fc(mac, lc->speed, - lc->duplex, fc); - /* Also disables autoneg */ - phy->ops->set_speed_duplex(phy, lc->speed, lc->duplex); - phy->ops->reset(phy, 0); - } else - phy->ops->autoneg_enable(phy); /* also resets PHY */ - } else { - mac->ops->set_speed_duplex_fc(mac, -1, -1, fc); - lc->fc = (unsigned char)fc; - phy->ops->reset(phy, 0); - } - return 0; -} - -/* - * External interrupt handler for boards using elmer0. - */ -int elmer0_ext_intr_handler(adapter_t *adapter) -{ - struct cphy *phy; - int phy_cause; - u32 cause; - - t1_tpi_read(adapter, A_ELMER0_INT_CAUSE, &cause); - - switch (board_info(adapter)->board) { - case CHBT_BOARD_N210: - case CHBT_BOARD_N110: - if (cause & ELMER0_GP_BIT6) { /* Marvell 88x2010 interrupt */ - phy = adapter->port[0].phy; - phy_cause = phy->ops->interrupt_handler(phy); - if (phy_cause & cphy_cause_link_change) - link_changed(adapter, 0); - } - break; - } - t1_tpi_write(adapter, A_ELMER0_INT_CAUSE, cause); - return 0; -} - -/* Enables all interrupts. */ -void t1_interrupts_enable(adapter_t *adapter) -{ - unsigned int i; - u32 pl_intr; - - adapter->slow_intr_mask = F_PL_INTR_SGE_ERR; - - t1_sge_intr_enable(adapter->sge); - if (adapter->espi) { - adapter->slow_intr_mask |= F_PL_INTR_ESPI; - t1_espi_intr_enable(adapter->espi); - } - - /* Enable MAC/PHY interrupts for each port. */ - for_each_port(adapter, i) { - adapter->port[i].mac->ops->interrupt_enable(adapter->port[i].mac); - adapter->port[i].phy->ops->interrupt_enable(adapter->port[i].phy); - } - - /* Enable PCIX & external chip interrupts on ASIC boards. */ - pl_intr = readl(adapter->regs + A_PL_ENABLE); - - /* PCI-X interrupts */ - pci_write_config_dword(adapter->pdev, A_PCICFG_INTR_ENABLE, - 0xffffffff); - - adapter->slow_intr_mask |= F_PL_INTR_EXT | F_PL_INTR_PCIX; - pl_intr |= F_PL_INTR_EXT | F_PL_INTR_PCIX; - writel(pl_intr, adapter->regs + A_PL_ENABLE); -} - -/* Disables all interrupts. */ -void t1_interrupts_disable(adapter_t* adapter) -{ - unsigned int i; - - t1_sge_intr_disable(adapter->sge); - if (adapter->espi) - t1_espi_intr_disable(adapter->espi); - - /* Disable MAC/PHY interrupts for each port. */ - for_each_port(adapter, i) { - adapter->port[i].mac->ops->interrupt_disable(adapter->port[i].mac); - adapter->port[i].phy->ops->interrupt_disable(adapter->port[i].phy); - } - - /* Disable PCIX & external chip interrupts. */ - writel(0, adapter->regs + A_PL_ENABLE); - - /* PCI-X interrupts */ - pci_write_config_dword(adapter->pdev, A_PCICFG_INTR_ENABLE, 0); - - adapter->slow_intr_mask = 0; -} - -/* Clears all interrupts */ -void t1_interrupts_clear(adapter_t* adapter) -{ - unsigned int i; - u32 pl_intr; - - - t1_sge_intr_clear(adapter->sge); - if (adapter->espi) - t1_espi_intr_clear(adapter->espi); - - /* Clear MAC/PHY interrupts for each port. */ - for_each_port(adapter, i) { - adapter->port[i].mac->ops->interrupt_clear(adapter->port[i].mac); - adapter->port[i].phy->ops->interrupt_clear(adapter->port[i].phy); - } - - /* Enable interrupts for external devices. */ - pl_intr = readl(adapter->regs + A_PL_CAUSE); - - writel(pl_intr | F_PL_INTR_EXT | F_PL_INTR_PCIX, - adapter->regs + A_PL_CAUSE); - - /* PCI-X interrupts */ - pci_write_config_dword(adapter->pdev, A_PCICFG_INTR_CAUSE, 0xffffffff); -} - -/* - * Slow path interrupt handler for ASICs. - */ -int t1_slow_intr_handler(adapter_t *adapter) -{ - u32 cause = readl(adapter->regs + A_PL_CAUSE); - - cause &= adapter->slow_intr_mask; - if (!cause) - return 0; - if (cause & F_PL_INTR_SGE_ERR) - t1_sge_intr_error_handler(adapter->sge); - if (cause & F_PL_INTR_ESPI) - t1_espi_intr_handler(adapter->espi); - if (cause & F_PL_INTR_PCIX) - t1_pci_intr_handler(adapter); - if (cause & F_PL_INTR_EXT) - t1_elmer0_ext_intr(adapter); - - /* Clear the interrupts just processed. */ - writel(cause, adapter->regs + A_PL_CAUSE); - (void)readl(adapter->regs + A_PL_CAUSE); /* flush writes */ - return 1; -} - -/* Pause deadlock avoidance parameters */ -#define DROP_MSEC 16 -#define DROP_PKTS_CNT 1 - -static void set_csum_offload(adapter_t *adapter, u32 csum_bit, int enable) -{ - u32 val = readl(adapter->regs + A_TP_GLOBAL_CONFIG); - - if (enable) - val |= csum_bit; - else - val &= ~csum_bit; - writel(val, adapter->regs + A_TP_GLOBAL_CONFIG); -} - -void t1_tp_set_ip_checksum_offload(adapter_t *adapter, int enable) -{ - set_csum_offload(adapter, F_IP_CSUM, enable); -} - -void t1_tp_set_udp_checksum_offload(adapter_t *adapter, int enable) -{ - set_csum_offload(adapter, F_UDP_CSUM, enable); -} - -void t1_tp_set_tcp_checksum_offload(adapter_t *adapter, int enable) -{ - set_csum_offload(adapter, F_TCP_CSUM, enable); -} - -static void t1_tp_reset(adapter_t *adapter, unsigned int tp_clk) -{ - u32 val; - - val = F_TP_IN_CSPI_CPL | F_TP_IN_CSPI_CHECK_IP_CSUM | - F_TP_IN_CSPI_CHECK_TCP_CSUM | F_TP_IN_ESPI_ETHERNET; - val |= F_TP_IN_ESPI_CHECK_IP_CSUM | - F_TP_IN_ESPI_CHECK_TCP_CSUM; - writel(val, adapter->regs + A_TP_IN_CONFIG); - writel(F_TP_OUT_CSPI_CPL | - F_TP_OUT_ESPI_ETHERNET | - F_TP_OUT_ESPI_GENERATE_IP_CSUM | - F_TP_OUT_ESPI_GENERATE_TCP_CSUM, - adapter->regs + A_TP_OUT_CONFIG); - - val = readl(adapter->regs + A_TP_GLOBAL_CONFIG); - val &= ~(F_IP_CSUM | F_UDP_CSUM | F_TCP_CSUM); - writel(val, adapter->regs + A_TP_GLOBAL_CONFIG); - - /* - * Enable pause frame deadlock prevention. - */ - if (is_T2(adapter)) { - u32 drop_ticks = DROP_MSEC * (tp_clk / 1000); - - writel(F_ENABLE_TX_DROP | F_ENABLE_TX_ERROR | - V_DROP_TICKS_CNT(drop_ticks) | - V_NUM_PKTS_DROPPED(DROP_PKTS_CNT), - adapter->regs + A_TP_TX_DROP_CONFIG); - } - - writel(F_TP_RESET, adapter->regs + A_TP_RESET); -} - -int __devinit t1_get_board_rev(adapter_t *adapter, const struct board_info *bi, - struct adapter_params *p) -{ - p->chip_version = bi->chip_term; - if (p->chip_version == CHBT_TERM_T1 || - p->chip_version == CHBT_TERM_T2) { - u32 val = readl(adapter->regs + A_TP_PC_CONFIG); - - val = G_TP_PC_REV(val); - if (val == 2) - p->chip_revision = TERM_T1B; - else if (val == 3) - p->chip_revision = TERM_T2; - else - return -1; - } else - return -1; - return 0; -} - -/* - * Enable board components other than the Chelsio chip, such as external MAC - * and PHY. - */ -static int board_init(adapter_t *adapter, const struct board_info *bi) -{ - switch (bi->board) { - case CHBT_BOARD_N110: - case CHBT_BOARD_N210: - writel(V_TPIPAR(0xf), adapter->regs + A_TPI_PAR); - t1_tpi_write(adapter, A_ELMER0_GPO, 0x800); - break; - } - return 0; -} - -/* - * Initialize and configure the Terminator HW modules. Note that external - * MAC and PHYs are initialized separately. - */ -int t1_init_hw_modules(adapter_t *adapter) -{ - int err = -EIO; - const struct board_info *bi = board_info(adapter); - - if (!bi->clock_mc4) { - u32 val = readl(adapter->regs + A_MC4_CFG); - - writel(val | F_READY | F_MC4_SLOW, adapter->regs + A_MC4_CFG); - writel(F_M_BUS_ENABLE | F_TCAM_RESET, - adapter->regs + A_MC5_CONFIG); - } - - if (adapter->espi && t1_espi_init(adapter->espi, bi->chip_mac, - bi->espi_nports)) - goto out_err; - - t1_tp_reset(adapter, bi->clock_core); - - err = t1_sge_configure(adapter->sge, &adapter->params.sge); - if (err) - goto out_err; - - err = 0; - out_err: - return err; -} - -/* - * Determine a card's PCI mode. - */ -static void __devinit get_pci_mode(adapter_t *adapter, struct chelsio_pci_params *p) -{ - static unsigned short speed_map[] = { 33, 66, 100, 133 }; - u32 pci_mode; - - pci_read_config_dword(adapter->pdev, A_PCICFG_MODE, &pci_mode); - p->speed = speed_map[G_PCI_MODE_CLK(pci_mode)]; - p->width = (pci_mode & F_PCI_MODE_64BIT) ? 64 : 32; - p->is_pcix = (pci_mode & F_PCI_MODE_PCIX) != 0; -} - -/* - * Release the structures holding the SW per-Terminator-HW-module state. - */ -void t1_free_sw_modules(adapter_t *adapter) -{ - unsigned int i; - - for_each_port(adapter, i) { - struct cmac *mac = adapter->port[i].mac; - struct cphy *phy = adapter->port[i].phy; - - if (mac) - mac->ops->destroy(mac); - if (phy) - phy->ops->destroy(phy); - } - - if (adapter->sge) - t1_sge_destroy(adapter->sge); - if (adapter->espi) - t1_espi_destroy(adapter->espi); -} - -static void __devinit init_link_config(struct link_config *lc, - const struct board_info *bi) -{ - lc->supported = bi->caps; - lc->requested_speed = lc->speed = SPEED_INVALID; - lc->requested_duplex = lc->duplex = DUPLEX_INVALID; - lc->requested_fc = lc->fc = PAUSE_RX | PAUSE_TX; - if (lc->supported & SUPPORTED_Autoneg) { - lc->advertising = lc->supported; - lc->autoneg = AUTONEG_ENABLE; - lc->requested_fc |= PAUSE_AUTONEG; - } else { - lc->advertising = 0; - lc->autoneg = AUTONEG_DISABLE; - } -} - - -/* - * Allocate and initialize the data structures that hold the SW state of - * the Terminator HW modules. - */ -int __devinit t1_init_sw_modules(adapter_t *adapter, - const struct board_info *bi) -{ - unsigned int i; - - adapter->params.brd_info = bi; - adapter->params.nports = bi->port_number; - adapter->params.stats_update_period = bi->gmac->stats_update_period; - - adapter->sge = t1_sge_create(adapter, &adapter->params.sge); - if (!adapter->sge) { - CH_ERR("%s: SGE initialization failed\n", - adapter->name); - goto error; - } - - if (bi->espi_nports && !(adapter->espi = t1_espi_create(adapter))) { - CH_ERR("%s: ESPI initialization failed\n", - adapter->name); - goto error; - } - - board_init(adapter, bi); - bi->mdio_ops->init(adapter, bi); - if (bi->gphy->reset) - bi->gphy->reset(adapter); - if (bi->gmac->reset) - bi->gmac->reset(adapter); - - for_each_port(adapter, i) { - u8 hw_addr[6]; - struct cmac *mac; - int phy_addr = bi->mdio_phybaseaddr + i; - - adapter->port[i].phy = bi->gphy->create(adapter, phy_addr, - bi->mdio_ops); - if (!adapter->port[i].phy) { - CH_ERR("%s: PHY %d initialization failed\n", - adapter->name, i); - goto error; - } - - adapter->port[i].mac = mac = bi->gmac->create(adapter, i); - if (!mac) { - CH_ERR("%s: MAC %d initialization failed\n", - adapter->name, i); - goto error; - } - - /* - * Get the port's MAC addresses either from the EEPROM if one - * exists or the one hardcoded in the MAC. - */ - if (vpd_macaddress_get(adapter, i, hw_addr)) { - CH_ERR("%s: could not read MAC address from VPD ROM\n", - adapter->port[i].dev->name); - goto error; - } - memcpy(adapter->port[i].dev->dev_addr, hw_addr, ETH_ALEN); - init_link_config(&adapter->port[i].link_config, bi); - } - - get_pci_mode(adapter, &adapter->params.pci); - t1_interrupts_clear(adapter); - return 0; - - error: - t1_free_sw_modules(adapter); - return -1; -} |