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[TG3]: Add GPIO3 for 5752 

Add bit definitions for the new GPIO3 in 5752. GPIO3 must be driven as
output when it is unused.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2005-04-21 17:10:36 -07:00 committed by David S. Miller
parent ff645bec52
commit 3e7d83bc96
2 changed files with 13 additions and 0 deletions
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10
drivers/net/tg3.c
View File

@ -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);

3
drivers/net/tg3.h
View File

@ -1311,6 +1311,9 @@
#define GRC_LCLCTRL_CLEARINT 0x00000002
#define GRC_LCLCTRL_SETINT 0x00000004
#define GRC_LCLCTRL_INT_ON_ATTN 0x00000008
#define GRC_LCLCTRL_GPIO_INPUT3 0x00000020
#define GRC_LCLCTRL_GPIO_OE3 0x00000040
#define GRC_LCLCTRL_GPIO_OUTPUT3 0x00000080
#define GRC_LCLCTRL_GPIO_INPUT0 0x00000100
#define GRC_LCLCTRL_GPIO_INPUT1 0x00000200
#define GRC_LCLCTRL_GPIO_INPUT2 0x00000400