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path: root/drivers/net/tg3.c
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Diffstat (limited to 'drivers/net/tg3.c')
-rw-r--r--drivers/net/tg3.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index a4d0d61..a94631a 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -5353,6 +5353,11 @@ static int tg3_reset_hw(struct tg3 *tp)
gpio_mask = GRC_LCLCTRL_GPIO_OE0 | GRC_LCLCTRL_GPIO_OE2 |
GRC_LCLCTRL_GPIO_OUTPUT0 | GRC_LCLCTRL_GPIO_OUTPUT2;
+
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
+ gpio_mask |= GRC_LCLCTRL_GPIO_OE3 |
+ GRC_LCLCTRL_GPIO_OUTPUT3;
+
tp->grc_local_ctrl |= tr32(GRC_LOCAL_CTRL) & gpio_mask;
/* GPIO1 must be driven high for eeprom write protect */
@@ -8077,6 +8082,11 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
(tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT))
tp->grc_local_ctrl |= (GRC_LCLCTRL_GPIO_OE1 |
GRC_LCLCTRL_GPIO_OUTPUT1);
+ /* Unused GPIO3 must be driven as output on 5752 because there
+ * are no pull-up resistors on unused GPIO pins.
+ */
+ else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
+ tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE3;
/* Force the chip into D0. */
err = tg3_set_power_state(tp, 0);
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