summaryrefslogtreecommitdiffstats
path: root/drivers/net/tg3.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/tg3.c')
-rw-r--r--drivers/net/tg3.c21
1 files changed, 16 insertions, 5 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 4f9fbe2..482b7df 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -595,7 +595,8 @@ static void tg3_switch_clocks(struct tg3 *tp)
u32 clock_ctrl = tr32(TG3PCI_CLOCK_CTRL);
u32 orig_clock_ctrl;
- if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)
+ if ((tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
+ (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
return;
orig_clock_ctrl = clock_ctrl;
@@ -1400,6 +1401,7 @@ static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
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) ||
+ (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) ||
(GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)) {
/* do nothing */
} else if (!((tp->tg3_flags2 & TG3_FLG2_5750_PLUS) &&
@@ -6147,11 +6149,13 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
/* This works around an issue with Athlon chipsets on
* B3 tigon3 silicon. This bit has no effect on any
* other revision. But do not set this on PCI Express
- * chips.
+ * chips and don't even touch the clocks if the CPMU is present.
*/
- if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
- tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
- tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
+ if (!(tp->tg3_flags & TG3_FLAG_CPMU_PRESENT)) {
+ if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS))
+ tp->pci_clock_ctrl |= CLOCK_CTRL_DELAY_PCI_GRANT;
+ tw32_f(TG3PCI_CLOCK_CTRL, tp->pci_clock_ctrl);
+ }
if (tp->pci_chip_rev_id == CHIPREV_ID_5704_A0 &&
(tp->tg3_flags & TG3_FLAG_PCIX_MODE)) {
@@ -10527,6 +10531,13 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
tp->pci_chip_rev_id = (misc_ctrl_reg >>
MISC_HOST_CTRL_CHIPREV_SHIFT);
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_USE_PROD_ID_REG) {
+ u32 prod_id_asic_rev;
+
+ pci_read_config_dword(tp->pdev, TG3PCI_PRODID_ASICREV,
+ &prod_id_asic_rev);
+ tp->pci_chip_rev_id = prod_id_asic_rev & PROD_ID_ASIC_REV_MASK;
+ }
/* Wrong chip ID in 5752 A0. This code can be removed later
* as A0 is not in production.
OpenPOWER on IntegriCloud