diff options
author | Dave Jones <davej@redhat.com> | 2006-12-12 18:13:32 -0500 |
---|---|---|
committer | Dave Jones <davej@redhat.com> | 2006-12-12 18:13:32 -0500 |
commit | f0eef25339f92f7cd4aeea23d9ae97987a5a1e82 (patch) | |
tree | 2472e94d39f43a9580a6d2d5d92de0b749023263 /drivers/net/chelsio/subr.c | |
parent | 0cfea5dd98205f2fa318836da664a7d7df1afbc1 (diff) | |
parent | e1036502e5263851259d147771226161e5ccc85a (diff) |
Merge ../linus
Diffstat (limited to 'drivers/net/chelsio/subr.c')
-rw-r--r-- | drivers/net/chelsio/subr.c | 494 |
1 files changed, 390 insertions, 104 deletions
diff --git a/drivers/net/chelsio/subr.c b/drivers/net/chelsio/subr.c index 12e4e96dba2..22ed9a383c0 100644 --- a/drivers/net/chelsio/subr.c +++ b/drivers/net/chelsio/subr.c @@ -43,6 +43,7 @@ #include "gmac.h" #include "cphy.h" #include "sge.h" +#include "tp.h" #include "espi.h" /** @@ -59,7 +60,7 @@ * otherwise. */ static int t1_wait_op_done(adapter_t *adapter, int reg, u32 mask, int polarity, - int attempts, int delay) + int attempts, int delay) { while (1) { u32 val = readl(adapter->regs + reg) & mask; @@ -78,7 +79,7 @@ static int t1_wait_op_done(adapter_t *adapter, int reg, u32 mask, int polarity, /* * Write a register over the TPI interface (unlocked and locked versions). */ -static int __t1_tpi_write(adapter_t *adapter, u32 addr, u32 value) +int __t1_tpi_write(adapter_t *adapter, u32 addr, u32 value) { int tpi_busy; @@ -98,16 +99,16 @@ int t1_tpi_write(adapter_t *adapter, u32 addr, u32 value) { int ret; - spin_lock(&(adapter)->tpi_lock); + spin_lock(&adapter->tpi_lock); ret = __t1_tpi_write(adapter, addr, value); - spin_unlock(&(adapter)->tpi_lock); + 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 __t1_tpi_read(adapter_t *adapter, u32 addr, u32 *valp) { int tpi_busy; @@ -128,18 +129,26 @@ int t1_tpi_read(adapter_t *adapter, u32 addr, u32 *valp) { int ret; - spin_lock(&(adapter)->tpi_lock); + spin_lock(&adapter->tpi_lock); ret = __t1_tpi_read(adapter, addr, valp); - spin_unlock(&(adapter)->tpi_lock); + spin_unlock(&adapter->tpi_lock); return ret; } /* + * Set a TPI parameter. + */ +static void t1_tpi_par(adapter_t *adapter, u32 value) +{ + writel(V_TPIPAR(value), adapter->regs + A_TPI_PAR); +} + +/* * 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) +void t1_link_changed(adapter_t *adapter, int port_id) { int link_ok, speed, duplex, fc; struct cphy *phy = adapter->port[port_id].phy; @@ -159,23 +168,83 @@ int t1_tpi_read(adapter_t *adapter, u32 addr, u32 *valp) 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); + t1_link_negotiated(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); + 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); + pcix_cause); t1_fatal_err(adapter); /* PCI errors are fatal */ } return 0; } +#ifdef CONFIG_CHELSIO_T1_COUGAR +#include "cspi.h" +#endif +#ifdef CONFIG_CHELSIO_T1_1G +#include "fpga_defs.h" + +/* + * PHY interrupt handler for FPGA boards. + */ +static int fpga_phy_intr_handler(adapter_t *adapter) +{ + int p; + u32 cause = readl(adapter->regs + FPGA_GMAC_ADDR_INTERRUPT_CAUSE); + + for_each_port(adapter, p) + if (cause & (1 << p)) { + struct cphy *phy = adapter->port[p].phy; + int phy_cause = phy->ops->interrupt_handler(phy); + + if (phy_cause & cphy_cause_link_change) + t1_link_changed(adapter, p); + } + writel(cause, adapter->regs + FPGA_GMAC_ADDR_INTERRUPT_CAUSE); + return 0; +} + +/* + * Slow path interrupt handler for FPGAs. + */ +static int fpga_slow_intr(adapter_t *adapter) +{ + u32 cause = readl(adapter->regs + A_PL_CAUSE); + + cause &= ~F_PL_INTR_SGE_DATA; + if (cause & F_PL_INTR_SGE_ERR) + t1_sge_intr_error_handler(adapter->sge); + + if (cause & FPGA_PCIX_INTERRUPT_GMAC) + fpga_phy_intr_handler(adapter); + + if (cause & FPGA_PCIX_INTERRUPT_TP) { + /* + * FPGA doesn't support MC4 interrupts and it requires + * this odd layer of indirection for MC5. + */ + u32 tp_cause = readl(adapter->regs + FPGA_TP_ADDR_INTERRUPT_CAUSE); + + /* Clear TP interrupt */ + writel(tp_cause, adapter->regs + FPGA_TP_ADDR_INTERRUPT_CAUSE); + } + if (cause & FPGA_PCIX_INTERRUPT_PCIX) + t1_pci_intr_handler(adapter); + + /* Clear the interrupts just processed. */ + if (cause) + writel(cause, adapter->regs + A_PL_CAUSE); + + return cause != 0; +} +#endif /* * Wait until Elmer's MI1 interface is ready for new operations. @@ -212,12 +281,62 @@ static void mi1_mdio_init(adapter_t *adapter, const struct board_info *bi) t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_CFG, val); } +#if defined(CONFIG_CHELSIO_T1_1G) || defined(CONFIG_CHELSIO_T1_COUGAR) +/* + * Elmer MI1 MDIO read/write operations. + */ +static int mi1_mdio_read(adapter_t *adapter, int phy_addr, int mmd_addr, + int reg_addr, unsigned int *valp) +{ + u32 addr = V_MI1_REG_ADDR(reg_addr) | V_MI1_PHY_ADDR(phy_addr); + + if (mmd_addr) + return -EINVAL; + + spin_lock(&adapter->tpi_lock); + __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_ADDR, addr); + __t1_tpi_write(adapter, + A_ELMER0_PORT0_MI1_OP, MI1_OP_DIRECT_READ); + mi1_wait_until_ready(adapter, A_ELMER0_PORT0_MI1_OP); + __t1_tpi_read(adapter, A_ELMER0_PORT0_MI1_DATA, valp); + spin_unlock(&adapter->tpi_lock); + return 0; +} + +static int mi1_mdio_write(adapter_t *adapter, int phy_addr, int mmd_addr, + int reg_addr, unsigned int val) +{ + u32 addr = V_MI1_REG_ADDR(reg_addr) | V_MI1_PHY_ADDR(phy_addr); + + if (mmd_addr) + return -EINVAL; + + spin_lock(&adapter->tpi_lock); + __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_ADDR, addr); + __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_DATA, val); + __t1_tpi_write(adapter, + A_ELMER0_PORT0_MI1_OP, MI1_OP_DIRECT_WRITE); + mi1_wait_until_ready(adapter, A_ELMER0_PORT0_MI1_OP); + spin_unlock(&adapter->tpi_lock); + return 0; +} + +#if defined(CONFIG_CHELSIO_T1_1G) || defined(CONFIG_CHELSIO_T1_COUGAR) +static struct mdio_ops mi1_mdio_ops = { + mi1_mdio_init, + mi1_mdio_read, + mi1_mdio_write +}; +#endif + +#endif + 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); + spin_lock(&adapter->tpi_lock); /* Write the address we want. */ __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_ADDR, addr); @@ -227,12 +346,13 @@ static int mi1_mdio_ext_read(adapter_t *adapter, int phy_addr, int mmd_addr, 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); + __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); + spin_unlock(&adapter->tpi_lock); return 0; } @@ -241,7 +361,7 @@ static int mi1_mdio_ext_write(adapter_t *adapter, int phy_addr, int mmd_addr, { u32 addr = V_MI1_REG_ADDR(mmd_addr) | V_MI1_PHY_ADDR(phy_addr); - spin_lock(&(adapter)->tpi_lock); + spin_lock(&adapter->tpi_lock); /* Write the address we want. */ __t1_tpi_write(adapter, A_ELMER0_PORT0_MI1_ADDR, addr); @@ -254,7 +374,7 @@ static int mi1_mdio_ext_write(adapter_t *adapter, int phy_addr, int mmd_addr, __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); + spin_unlock(&adapter->tpi_lock); return 0; } @@ -265,12 +385,25 @@ static struct mdio_ops mi1_mdio_ext_ops = { }; enum { + CH_BRD_T110_1CU, CH_BRD_N110_1F, CH_BRD_N210_1F, + CH_BRD_T210_1F, + CH_BRD_T210_1CU, + CH_BRD_N204_4CU, }; static struct board_info t1_board[] = { +{ CHBT_BOARD_CHT110, 1/*ports#*/, + SUPPORTED_10000baseT_Full /*caps*/, CHBT_TERM_T1, + CHBT_MAC_PM3393, CHBT_PHY_MY3126, + 125000000/*clk-core*/, 150000000/*clk-mc3*/, 125000000/*clk-mc4*/, + 1/*espi-ports*/, 0/*clk-cspi*/, 44/*clk-elmer0*/, 1/*mdien*/, + 1/*mdiinv*/, 1/*mdc*/, 1/*phybaseaddr*/, &t1_pm3393_ops, + &t1_my3126_ops, &mi1_mdio_ext_ops, + "Chelsio T110 1x10GBase-CX4 TOE" }, + { CHBT_BOARD_N110, 1/*ports#*/, SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE /*caps*/, CHBT_TERM_T1, CHBT_MAC_PM3393, CHBT_PHY_88X2010, @@ -289,12 +422,47 @@ static struct board_info t1_board[] = { &t1_mv88x201x_ops, &mi1_mdio_ext_ops, "Chelsio N210 1x10GBaseX NIC" }, +{ CHBT_BOARD_CHT210, 1/*ports#*/, + SUPPORTED_10000baseT_Full /*caps*/, CHBT_TERM_T2, + CHBT_MAC_PM3393, CHBT_PHY_88X2010, + 125000000/*clk-core*/, 133000000/*clk-mc3*/, 125000000/*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 T210 1x10GBaseX TOE" }, + +{ CHBT_BOARD_CHT210, 1/*ports#*/, + SUPPORTED_10000baseT_Full /*caps*/, CHBT_TERM_T2, + CHBT_MAC_PM3393, CHBT_PHY_MY3126, + 125000000/*clk-core*/, 133000000/*clk-mc3*/, 125000000/*clk-mc4*/, + 1/*espi-ports*/, 0/*clk-cspi*/, 44/*clk-elmer0*/, 1/*mdien*/, + 1/*mdiinv*/, 1/*mdc*/, 1/*phybaseaddr*/, &t1_pm3393_ops, + &t1_my3126_ops, &mi1_mdio_ext_ops, + "Chelsio T210 1x10GBase-CX4 TOE" }, + +#ifdef CONFIG_CHELSIO_T1_1G +{ CHBT_BOARD_CHN204, 4/*ports#*/, + SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | SUPPORTED_100baseT_Half | + SUPPORTED_100baseT_Full | SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | + SUPPORTED_PAUSE | SUPPORTED_TP /*caps*/, CHBT_TERM_T2, CHBT_MAC_VSC7321, CHBT_PHY_88E1111, + 100000000/*clk-core*/, 0/*clk-mc3*/, 0/*clk-mc4*/, + 4/*espi-ports*/, 0/*clk-cspi*/, 44/*clk-elmer0*/, 0/*mdien*/, + 0/*mdiinv*/, 1/*mdc*/, 4/*phybaseaddr*/, &t1_vsc7326_ops, + &t1_mv88e1xxx_ops, &mi1_mdio_ops, + "Chelsio N204 4x100/1000BaseT NIC" }, +#endif + }; struct pci_device_id t1_pci_tbl[] = { + CH_DEVICE(8, 0, CH_BRD_T110_1CU), + CH_DEVICE(8, 1, CH_BRD_T110_1CU), CH_DEVICE(7, 0, CH_BRD_N110_1F), CH_DEVICE(10, 1, CH_BRD_N210_1F), - { 0, } + CH_DEVICE(11, 1, CH_BRD_T210_1F), + CH_DEVICE(14, 1, CH_BRD_T210_1CU), + CH_DEVICE(16, 1, CH_BRD_N204_4CU), + { 0 } }; MODULE_DEVICE_TABLE(pci, t1_pci_tbl); @@ -390,9 +558,14 @@ int t1_link_start(struct cphy *phy, struct cmac *mac, struct link_config *lc) 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)) + if (fc == ((PAUSE_RX | PAUSE_TX) & + (mac->adapter->params.nports < 2))) lc->advertising |= ADVERTISED_PAUSE; + else { + lc->advertising |= ADVERTISED_ASYM_PAUSE; + if (fc == PAUSE_RX) + lc->advertising |= ADVERTISED_PAUSE; + } } phy->ops->advertise(phy, lc->advertising); @@ -403,11 +576,15 @@ int t1_link_start(struct cphy *phy, struct cmac *mac, struct link_config *lc) mac->ops->set_speed_duplex_fc(mac, lc->speed, lc->duplex, fc); /* Also disables autoneg */ + phy->state = PHY_AUTONEG_RDY; phy->ops->set_speed_duplex(phy, lc->speed, lc->duplex); phy->ops->reset(phy, 0); - } else + } else { + phy->state = PHY_AUTONEG_EN; phy->ops->autoneg_enable(phy); /* also resets PHY */ + } } else { + phy->state = PHY_AUTONEG_RDY; mac->ops->set_speed_duplex_fc(mac, -1, -1, fc); lc->fc = (unsigned char)fc; phy->ops->reset(phy, 0); @@ -418,24 +595,109 @@ int t1_link_start(struct cphy *phy, struct cmac *mac, struct link_config *lc) /* * External interrupt handler for boards using elmer0. */ -int elmer0_ext_intr_handler(adapter_t *adapter) +int t1_elmer0_ext_intr_handler(adapter_t *adapter) { - struct cphy *phy; + struct cphy *phy; int phy_cause; - u32 cause; + u32 cause; t1_tpi_read(adapter, A_ELMER0_INT_CAUSE, &cause); switch (board_info(adapter)->board) { +#ifdef CONFIG_CHELSIO_T1_1G + case CHBT_BOARD_CHT204: + case CHBT_BOARD_CHT204E: + case CHBT_BOARD_CHN204: + case CHBT_BOARD_CHT204V: { + int i, port_bit; + for_each_port(adapter, i) { + port_bit = i + 1; + if (!(cause & (1 << port_bit))) continue; + + phy = adapter->port[i].phy; + phy_cause = phy->ops->interrupt_handler(phy); + if (phy_cause & cphy_cause_link_change) + t1_link_changed(adapter, i); + } + break; + } + case CHBT_BOARD_CHT101: + if (cause & ELMER0_GP_BIT1) { /* Marvell 88E1111 interrupt */ + phy = adapter->port[0].phy; + phy_cause = phy->ops->interrupt_handler(phy); + if (phy_cause & cphy_cause_link_change) + t1_link_changed(adapter, 0); + } + break; + case CHBT_BOARD_7500: { + int p; + /* + * Elmer0's interrupt cause isn't useful here because there is + * only one bit that can be set for all 4 ports. This means + * we are forced to check every PHY's interrupt status + * register to see who initiated the interrupt. + */ + for_each_port(adapter, p) { + phy = adapter->port[p].phy; + phy_cause = phy->ops->interrupt_handler(phy); + if (phy_cause & cphy_cause_link_change) + t1_link_changed(adapter, p); + } + break; + } +#endif + case CHBT_BOARD_CHT210: 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); + t1_link_changed(adapter, 0); + } + break; + case CHBT_BOARD_8000: + case CHBT_BOARD_CHT110: + CH_DBG(adapter, INTR, "External interrupt cause 0x%x\n", + cause); + if (cause & ELMER0_GP_BIT1) { /* PMC3393 INTB */ + struct cmac *mac = adapter->port[0].mac; + + mac->ops->interrupt_handler(mac); } + if (cause & ELMER0_GP_BIT5) { /* XPAK MOD_DETECT */ + u32 mod_detect; + + t1_tpi_read(adapter, + A_ELMER0_GPI_STAT, &mod_detect); + CH_MSG(adapter, INFO, LINK, "XPAK %s\n", + mod_detect ? "removed" : "inserted"); + } break; +#ifdef CONFIG_CHELSIO_T1_COUGAR + case CHBT_BOARD_COUGAR: + if (adapter->params.nports == 1) { + if (cause & ELMER0_GP_BIT1) { /* Vitesse MAC */ + struct cmac *mac = adapter->port[0].mac; + mac->ops->interrupt_handler(mac); + } + if (cause & ELMER0_GP_BIT5) { /* XPAK MOD_DETECT */ + } + } else { + int i, port_bit; + + for_each_port(adapter, i) { + port_bit = i ? i + 1 : 0; + if (!(cause & (1 << port_bit))) continue; + + phy = adapter->port[i].phy; + phy_cause = phy->ops->interrupt_handler(phy); + if (phy_cause & cphy_cause_link_change) + t1_link_changed(adapter, i); + } + } + break; +#endif } t1_tpi_write(adapter, A_ELMER0_INT_CAUSE, cause); return 0; @@ -445,11 +707,11 @@ int elmer0_ext_intr_handler(adapter_t *adapter) void t1_interrupts_enable(adapter_t *adapter) { unsigned int i; - u32 pl_intr; - adapter->slow_intr_mask = F_PL_INTR_SGE_ERR; + adapter->slow_intr_mask = F_PL_INTR_SGE_ERR | F_PL_INTR_TP; t1_sge_intr_enable(adapter->sge); + t1_tp_intr_enable(adapter->tp); if (adapter->espi) { adapter->slow_intr_mask |= F_PL_INTR_ESPI; t1_espi_intr_enable(adapter->espi); @@ -462,15 +724,17 @@ void t1_interrupts_enable(adapter_t *adapter) } /* Enable PCIX & external chip interrupts on ASIC boards. */ - pl_intr = readl(adapter->regs + A_PL_ENABLE); + if (t1_is_asic(adapter)) { + u32 pl_intr = readl(adapter->regs + A_PL_ENABLE); - /* PCI-X interrupts */ - pci_write_config_dword(adapter->pdev, A_PCICFG_INTR_ENABLE, - 0xffffffff); + /* 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); + 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. */ @@ -479,6 +743,7 @@ void t1_interrupts_disable(adapter_t* adapter) unsigned int i; t1_sge_intr_disable(adapter->sge); + t1_tp_intr_disable(adapter->tp); if (adapter->espi) t1_espi_intr_disable(adapter->espi); @@ -489,7 +754,8 @@ void t1_interrupts_disable(adapter_t* adapter) } /* Disable PCIX & external chip interrupts. */ - writel(0, adapter->regs + A_PL_ENABLE); + if (t1_is_asic(adapter)) + writel(0, adapter->regs + A_PL_ENABLE); /* PCI-X interrupts */ pci_write_config_dword(adapter->pdev, A_PCICFG_INTR_ENABLE, 0); @@ -501,10 +767,9 @@ void t1_interrupts_disable(adapter_t* adapter) void t1_interrupts_clear(adapter_t* adapter) { unsigned int i; - u32 pl_intr; - t1_sge_intr_clear(adapter->sge); + t1_tp_intr_clear(adapter->tp); if (adapter->espi) t1_espi_intr_clear(adapter->espi); @@ -515,10 +780,12 @@ void t1_interrupts_clear(adapter_t* adapter) } /* Enable interrupts for external devices. */ - pl_intr = readl(adapter->regs + A_PL_CAUSE); + if (t1_is_asic(adapter)) { + u32 pl_intr = readl(adapter->regs + A_PL_CAUSE); - writel(pl_intr | F_PL_INTR_EXT | F_PL_INTR_PCIX, - 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); @@ -527,7 +794,7 @@ void t1_interrupts_clear(adapter_t* adapter) /* * Slow path interrupt handler for ASICs. */ -int t1_slow_intr_handler(adapter_t *adapter) +static int asic_slow_intr(adapter_t *adapter) { u32 cause = readl(adapter->regs + A_PL_CAUSE); @@ -536,89 +803,54 @@ int t1_slow_intr_handler(adapter_t *adapter) return 0; if (cause & F_PL_INTR_SGE_ERR) t1_sge_intr_error_handler(adapter->sge); + if (cause & F_PL_INTR_TP) + t1_tp_intr_handler(adapter->tp); 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); + t1_elmer0_ext_intr_handler(adapter); /* Clear the interrupts just processed. */ writel(cause, adapter->regs + A_PL_CAUSE); - (void)readl(adapter->regs + A_PL_CAUSE); /* flush writes */ + 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) +int t1_slow_intr_handler(adapter_t *adapter) { - set_csum_offload(adapter, F_TCP_CSUM, enable); +#ifdef CONFIG_CHELSIO_T1_1G + if (!t1_is_asic(adapter)) + return fpga_slow_intr(adapter); +#endif + return asic_slow_intr(adapter); } -static void t1_tp_reset(adapter_t *adapter, unsigned int tp_clk) +/* Power sequencing is a work-around for Intel's XPAKs. */ +static void power_sequence_xpak(adapter_t* adapter) { - 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); + u32 mod_detect; + u32 gpo; + + /* Check for XPAK */ + t1_tpi_read(adapter, A_ELMER0_GPI_STAT, &mod_detect); + if (!(ELMER0_GP_BIT5 & mod_detect)) { + /* XPAK is present */ + t1_tpi_read(adapter, A_ELMER0_GPO, &gpo); + gpo |= ELMER0_GP_BIT18; + t1_tpi_write(adapter, A_ELMER0_GPO, gpo); } - - 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; + p->is_asic = (p->chip_version != CHBT_TERM_FPGA); if (p->chip_version == CHBT_TERM_T1 || - p->chip_version == CHBT_TERM_T2) { + p->chip_version == CHBT_TERM_T2 || + p->chip_version == CHBT_TERM_FPGA) { u32 val = readl(adapter->regs + A_TP_PC_CONFIG); val = G_TP_PC_REV(val); @@ -640,11 +872,38 @@ int __devinit t1_get_board_rev(adapter_t *adapter, const struct board_info *bi, static int board_init(adapter_t *adapter, const struct board_info *bi) { switch (bi->board) { + case CHBT_BOARD_8000: case CHBT_BOARD_N110: case CHBT_BOARD_N210: - writel(V_TPIPAR(0xf), adapter->regs + A_TPI_PAR); + case CHBT_BOARD_CHT210: + case CHBT_BOARD_COUGAR: + t1_tpi_par(adapter, 0xf); t1_tpi_write(adapter, A_ELMER0_GPO, 0x800); break; + case CHBT_BOARD_CHT110: + t1_tpi_par(adapter, 0xf); + t1_tpi_write(adapter, A_ELMER0_GPO, 0x1800); + + /* TBD XXX Might not need. This fixes a problem + * described in the Intel SR XPAK errata. + */ + power_sequence_xpak(adapter); + break; +#ifdef CONFIG_CHELSIO_T1_1G + case CHBT_BOARD_CHT204E: + /* add config space write here */ + case CHBT_BOARD_CHT204: + case CHBT_BOARD_CHT204V: + case CHBT_BOARD_CHN204: + t1_tpi_par(adapter, 0xf); + t1_tpi_write(adapter, A_ELMER0_GPO, 0x804); + break; + case CHBT_BOARD_CHT101: + case CHBT_BOARD_7500: + t1_tpi_par(adapter, 0xf); + t1_tpi_write(adapter, A_ELMER0_GPO, 0x1804); + break; +#endif } return 0; } @@ -666,11 +925,16 @@ int t1_init_hw_modules(adapter_t *adapter) adapter->regs + A_MC5_CONFIG); } +#ifdef CONFIG_CHELSIO_T1_COUGAR + if (adapter->cspi && t1_cspi_init(adapter->cspi)) + goto out_err; +#endif if (adapter->espi && t1_espi_init(adapter->espi, bi->chip_mac, bi->espi_nports)) goto out_err; - t1_tp_reset(adapter, bi->clock_core); + if (t1_tp_reset(adapter->tp, &adapter->params.tp, bi->clock_core)) + goto out_err; err = t1_sge_configure(adapter->sge, &adapter->params.sge); if (err) @@ -714,8 +978,14 @@ void t1_free_sw_modules(adapter_t *adapter) if (adapter->sge) t1_sge_destroy(adapter->sge); + if (adapter->tp) + t1_tp_destroy(adapter->tp); if (adapter->espi) t1_espi_destroy(adapter->espi); +#ifdef CONFIG_CHELSIO_T1_COUGAR + if (adapter->cspi) + t1_cspi_destroy(adapter->cspi); +#endif } static void __devinit init_link_config(struct link_config *lc, @@ -735,6 +1005,13 @@ static void __devinit init_link_config(struct link_config *lc, } } +#ifdef CONFIG_CHELSIO_T1_COUGAR + if (bi->clock_cspi && !(adapter->cspi = t1_cspi_create(adapter))) { + CH_ERR("%s: CSPI initialization failed\n", + adapter->name); + goto error; + } +#endif /* * Allocate and initialize the data structures that hold the SW state of @@ -762,6 +1039,13 @@ int __devinit t1_init_sw_modules(adapter_t *adapter, goto error; } + adapter->tp = t1_tp_create(adapter, &adapter->params.tp); + if (!adapter->tp) { + CH_ERR("%s: TP initialization failed\n", + adapter->name); + goto error; + } + board_init(adapter, bi); bi->mdio_ops->init(adapter, bi); if (bi->gphy->reset) @@ -793,7 +1077,9 @@ int __devinit t1_init_sw_modules(adapter_t *adapter, * 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)) { + if (!t1_is_asic(adapter) || bi->chip_mac == CHBT_MAC_DUMMY) + mac->ops->macaddress_get(mac, hw_addr); + else 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; @@ -806,7 +1092,7 @@ int __devinit t1_init_sw_modules(adapter_t *adapter, t1_interrupts_clear(adapter); return 0; - error: +error: t1_free_sw_modules(adapter); return -1; } |