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Commit 931b11be authored by Linus Torvalds's avatar Linus Torvalds
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Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/tg3-2.6

parents 546ac8a6 38690194
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Showing with 101 additions and 85 deletions
drivers/net/tg3.c
View file @ 931b11be
......@@ -68,8 +68,8 @@
#define DRV_MODULE_NAME "tg3"
#define PFX DRV_MODULE_NAME ": "
#define DRV_MODULE_VERSION "3.45"
#define DRV_MODULE_RELDATE "Dec 13, 2005"
#define DRV_MODULE_VERSION "3.46"
#define DRV_MODULE_RELDATE "Dec 19, 2005"
#define TG3_DEF_MAC_MODE 0
#define TG3_DEF_RX_MODE 0
......@@ -341,6 +341,16 @@ static struct {
{ "interrupt test (offline)" },
};
static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
{
writel(val, tp->regs + off);
}
static u32 tg3_read32(struct tg3 *tp, u32 off)
{
return (readl(tp->regs + off));
}
static void tg3_write_indirect_reg32(struct tg3 *tp, u32 off, u32 val)
{
unsigned long flags;
......@@ -411,13 +421,29 @@ static u32 tg3_read_indirect_mbox(struct tg3 *tp, u32 off)
return val;
}
static void _tw32_flush(struct tg3 *tp, u32 off, u32 val)
/* usec_wait specifies the wait time in usec when writing to certain registers
* where it is unsafe to read back the register without some delay.
* GRC_LOCAL_CTRL is one example if the GPIOs are toggled to switch power.
* TG3PCI_CLOCK_CTRL is another example if the clock frequencies are changed.
*/
static void _tw32_flush(struct tg3 *tp, u32 off, u32 val, u32 usec_wait)
{
tp->write32(tp, off, val);
if (!(tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) &&
!(tp->tg3_flags & TG3_FLAG_5701_REG_WRITE_BUG) &&
!(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
tp->read32(tp, off); /* flush */
if ((tp->tg3_flags & TG3_FLAG_PCIX_TARGET_HWBUG) ||
(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
/* Non-posted methods */
tp->write32(tp, off, val);
else {
/* Posted method */
tg3_write32(tp, off, val);
if (usec_wait)
udelay(usec_wait);
tp->read32(tp, off);
}
/* Wait again after the read for the posted method to guarantee that
* the wait time is met.
*/
if (usec_wait)
udelay(usec_wait);
}
static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
......@@ -438,16 +464,6 @@ static void tg3_write32_tx_mbox(struct tg3 *tp, u32 off, u32 val)
readl(mbox);
}
static void tg3_write32(struct tg3 *tp, u32 off, u32 val)
{
writel(val, tp->regs + off);
}
static u32 tg3_read32(struct tg3 *tp, u32 off)
{
return (readl(tp->regs + off));
}
#define tw32_mailbox(reg, val) tp->write32_mbox(tp, reg, val)
#define tw32_mailbox_f(reg, val) tw32_mailbox_flush(tp, (reg), (val))
#define tw32_rx_mbox(reg, val) tp->write32_rx_mbox(tp, reg, val)
......@@ -455,7 +471,8 @@ static u32 tg3_read32(struct tg3 *tp, u32 off)
#define tr32_mailbox(reg) tp->read32_mbox(tp, reg)
#define tw32(reg,val) tp->write32(tp, reg, val)
#define tw32_f(reg,val) _tw32_flush(tp,(reg),(val))
#define tw32_f(reg,val) _tw32_flush(tp,(reg),(val), 0)
#define tw32_wait_f(reg,val,us) _tw32_flush(tp,(reg),(val), (us))
#define tr32(reg) tp->read32(tp, reg)
static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
......@@ -595,21 +612,19 @@ static void tg3_switch_clocks(struct tg3 *tp)
if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
if (orig_clock_ctrl & CLOCK_CTRL_625_CORE) {
tw32_f(TG3PCI_CLOCK_CTRL,
clock_ctrl | CLOCK_CTRL_625_CORE);
udelay(40);
tw32_wait_f(TG3PCI_CLOCK_CTRL,
clock_ctrl | CLOCK_CTRL_625_CORE, 40);
}
} else if ((orig_clock_ctrl & CLOCK_CTRL_44MHZ_CORE) != 0) {
tw32_f(TG3PCI_CLOCK_CTRL,
clock_ctrl |
(CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK));
udelay(40);
tw32_f(TG3PCI_CLOCK_CTRL,
clock_ctrl | (CLOCK_CTRL_ALTCLK));
udelay(40);
tw32_wait_f(TG3PCI_CLOCK_CTRL,
clock_ctrl |
(CLOCK_CTRL_44MHZ_CORE | CLOCK_CTRL_ALTCLK),
40);
tw32_wait_f(TG3PCI_CLOCK_CTRL,
clock_ctrl | (CLOCK_CTRL_ALTCLK),
40);
}
tw32_f(TG3PCI_CLOCK_CTRL, clock_ctrl);
udelay(40);
tw32_wait_f(TG3PCI_CLOCK_CTRL, clock_ctrl, 40);
}
#define PHY_BUSY_LOOPS 5000
......@@ -1017,39 +1032,50 @@ static void tg3_frob_aux_power(struct tg3 *tp)
if ((tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) != 0)
return;
if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
tp_peer = pci_get_drvdata(tp->pdev_peer);
if (!tp_peer)
if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
(GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714)) {
struct net_device *dev_peer;
dev_peer = pci_get_drvdata(tp->pdev_peer);
if (!dev_peer)
BUG();
tp_peer = netdev_priv(dev_peer);
}
if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
(tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
(tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
(tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
(GRC_LCLCTRL_GPIO_OE0 |
GRC_LCLCTRL_GPIO_OE1 |
GRC_LCLCTRL_GPIO_OE2 |
GRC_LCLCTRL_GPIO_OUTPUT0 |
GRC_LCLCTRL_GPIO_OUTPUT1));
udelay(100);
tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
(GRC_LCLCTRL_GPIO_OE0 |
GRC_LCLCTRL_GPIO_OE1 |
GRC_LCLCTRL_GPIO_OE2 |
GRC_LCLCTRL_GPIO_OUTPUT0 |
GRC_LCLCTRL_GPIO_OUTPUT1),
100);
} else {
u32 no_gpio2;
u32 grc_local_ctrl;
u32 grc_local_ctrl = 0;
if (tp_peer != tp &&
(tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
return;
/* Workaround to prevent overdrawing Amps. */
if (GET_ASIC_REV(tp->pci_chip_rev_id) ==
ASIC_REV_5714) {
grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
grc_local_ctrl, 100);
}
/* On 5753 and variants, GPIO2 cannot be used. */
no_gpio2 = tp->nic_sram_data_cfg &
NIC_SRAM_DATA_CFG_NO_GPIO2;
grc_local_ctrl = GRC_LCLCTRL_GPIO_OE0 |
grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 |
GRC_LCLCTRL_GPIO_OE1 |
GRC_LCLCTRL_GPIO_OE2 |
GRC_LCLCTRL_GPIO_OUTPUT1 |
......@@ -1058,21 +1084,18 @@ static void tg3_frob_aux_power(struct tg3 *tp)
grc_local_ctrl &= ~(GRC_LCLCTRL_GPIO_OE2 |
GRC_LCLCTRL_GPIO_OUTPUT2);
}
tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
grc_local_ctrl);
udelay(100);
tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
grc_local_ctrl, 100);
grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT0;
tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
grc_local_ctrl);
udelay(100);
tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
grc_local_ctrl, 100);
if (!no_gpio2) {
grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT2;
tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
grc_local_ctrl);
udelay(100);
tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
grc_local_ctrl, 100);
}
}
} else {
......@@ -1082,19 +1105,16 @@ static void tg3_frob_aux_power(struct tg3 *tp)
(tp_peer->tg3_flags & TG3_FLAG_INIT_COMPLETE) != 0)
return;
tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
(GRC_LCLCTRL_GPIO_OE1 |
GRC_LCLCTRL_GPIO_OUTPUT1));
udelay(100);
tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
(GRC_LCLCTRL_GPIO_OE1 |
GRC_LCLCTRL_GPIO_OUTPUT1), 100);
tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
(GRC_LCLCTRL_GPIO_OE1));
udelay(100);
tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
GRC_LCLCTRL_GPIO_OE1, 100);
tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
(GRC_LCLCTRL_GPIO_OE1 |
GRC_LCLCTRL_GPIO_OUTPUT1));
udelay(100);
tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
(GRC_LCLCTRL_GPIO_OE1 |
GRC_LCLCTRL_GPIO_OUTPUT1), 100);
}
}
}
......@@ -1137,10 +1157,8 @@ static int tg3_set_power_state(struct tg3 *tp, int state)
udelay(100); /* Delay after power state change */
/* Switch out of Vaux if it is not a LOM */
if (!(tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT)) {
tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl);
udelay(100);
}
if (!(tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100);
return 0;
......@@ -1239,10 +1257,8 @@ static int tg3_set_power_state(struct tg3 *tp, int state)
base_val |= (CLOCK_CTRL_RXCLK_DISABLE |
CLOCK_CTRL_TXCLK_DISABLE);
tw32_f(TG3PCI_CLOCK_CTRL, base_val |
CLOCK_CTRL_ALTCLK |
CLOCK_CTRL_PWRDOWN_PLL133);
udelay(40);
tw32_wait_f(TG3PCI_CLOCK_CTRL, base_val | CLOCK_CTRL_ALTCLK |
CLOCK_CTRL_PWRDOWN_PLL133, 40);
} else if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
/* do nothing */
} else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
......@@ -1263,11 +1279,11 @@ static int tg3_set_power_state(struct tg3 *tp, int state)
newbits2 = newbits1 | CLOCK_CTRL_44MHZ_CORE;
}
tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1);
udelay(40);
tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits1,
40);
tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2);
udelay(40);
tw32_wait_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl | newbits2,
40);
if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS)) {
u32 newbits3;
......@@ -1281,9 +1297,8 @@ static int tg3_set_power_state(struct tg3 *tp, int state)
newbits3 = CLOCK_CTRL_44MHZ_CORE;
}
tw32_f(TG3PCI_CLOCK_CTRL,
tp->pci_clock_ctrl | newbits3);
udelay(40);
tw32_wait_f(TG3PCI_CLOCK_CTRL,
tp->pci_clock_ctrl | newbits3, 40);
}
}
......@@ -1294,7 +1309,8 @@ static int tg3_set_power_state(struct tg3 *tp, int state)
tg3_writephy(tp, MII_TG3_EXT_CTRL,
MII_TG3_EXT_CTRL_FORCE_LED_OFF);
tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x01b2);
tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700)
tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
}
}
......@@ -7959,13 +7975,12 @@ static int tg3_test_memory(struct tg3 *tp)
u32 offset;
u32 len;
} mem_tbl_570x[] = {
{ 0x00000000, 0x01000},
{ 0x00000000, 0x00b50},
{ 0x00002000, 0x1c000},
{ 0xffffffff, 0x00000}
}, mem_tbl_5705[] = {
{ 0x00000100, 0x0000c},
{ 0x00000200, 0x00008},
{ 0x00000b50, 0x00400},
{ 0x00004000, 0x00800},
{ 0x00006000, 0x01000},
{ 0x00008000, 0x02000},
......@@ -10466,7 +10481,7 @@ static char * __devinit tg3_bus_string(struct tg3 *tp, char *str)
return str;
}
static struct pci_dev * __devinit tg3_find_5704_peer(struct tg3 *tp)
static struct pci_dev * __devinit tg3_find_peer(struct tg3 *tp)
{
struct pci_dev *peer;
unsigned int func, devnr = tp->pdev->devfn & ~7;
......@@ -10719,8 +10734,9 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
tp->rx_pending = 63;
}
if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
tp->pdev_peer = tg3_find_5704_peer(tp);
if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) ||
(GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714))
tp->pdev_peer = tg3_find_peer(tp);
err = tg3_get_device_address(tp);
if (err) {
......
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