[PATCH] chelsio: add support for other 10G boards
Add support for other versions of the 10G Chelsio boards.
This is basically a port of the vendor driver with the
TOE features removed.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/chelsio/subr.c b/drivers/net/chelsio/subr.c
index e4473ec..d41d15a 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 @@
/*
* 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 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 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;
@@ -159,7 +168,7 @@
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)
@@ -217,7 +226,7 @@
{
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 +236,13 @@
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 +251,7 @@
{
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 +264,7 @@
__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 +275,25 @@
};
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 +312,36 @@
&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" },
+
+
};
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 +437,14 @@
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 +455,15 @@
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);
@@ -418,7 +474,7 @@
/*
* 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;
int phy_cause;
@@ -427,15 +483,34 @@
t1_tpi_read(adapter, A_ELMER0_INT_CAUSE, &cause);
switch (board_info(adapter)->board) {
+ 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;
}
t1_tpi_write(adapter, A_ELMER0_INT_CAUSE, cause);
return 0;
@@ -445,11 +520,11 @@
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 +537,17 @@
}
/* 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 +556,7 @@
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 +567,8 @@
}
/* 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 +580,9 @@
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 +593,12 @@
}
/* 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 +607,7 @@
/*
* 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 +616,50 @@
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)
+int t1_slow_intr_handler(adapter_t *adapter)
{
- 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);
+ return asic_slow_intr(adapter);
}
-void t1_tp_set_ip_checksum_offload(adapter_t *adapter, int enable)
+/* Power sequencing is a work-around for Intel's XPAKs. */
+static void power_sequence_xpak(adapter_t* adapter)
{
- set_csum_offload(adapter, F_IP_CSUM, enable);
-}
+ u32 mod_detect;
+ u32 gpo;
-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);
+ /* 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);
@@ -640,10 +681,22 @@
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);
- t1_tpi_write(adapter, A_ELMER0_GPO, 0x800);
+ 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;
}
return 0;
@@ -670,7 +723,8 @@
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)
@@ -714,6 +768,8 @@
if (adapter->sge)
t1_sge_destroy(adapter->sge);
+ if (adapter->tp)
+ t1_tp_destroy(adapter->tp);
if (adapter->espi)
t1_espi_destroy(adapter->espi);
}
@@ -762,6 +818,13 @@
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 +856,9 @@
* 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 +871,7 @@
t1_interrupts_clear(adapter);
return 0;
- error:
+error:
t1_free_sw_modules(adapter);
return -1;
}