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Google/snow: update the GPIO emulation. 

Add two more GPIOs (total 6) as needed by the Google Snow laptop.
These are faking out settings for now. This code is tested and working.

Change-Id: I2077ffb8b85958eefdf54e19763d57cc1178ce89
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-on: http://review.coreboot.org/2538
Reviewed-by: Peter Stuge <peter@stuge.se>
Tested-by: build bot (Jenkins)
This commit is contained in:
Ronald G. Minnich 2013-02-27 10:12:03 -08:00
parent fc14874352
commit eeb36326b9
1 changed files with 20 additions and 8 deletions
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28
src/mainboard/google/snow/chromeos.c
View File

@ -34,7 +34,7 @@
#include <boot/coreboot_tables.h>
#include <arch/coreboot_tables.h>
#define GPIO_COUNT 4
#define GPIO_COUNT 6
void fill_lb_gpios(struct lb_gpios *gpios)
{
@ -55,18 +55,30 @@ void fill_lb_gpios(struct lb_gpios *gpios)
gpios->gpios[1].value = 0;
strncpy((char *)gpios->gpios[1].name,"recovery", GPIO_MAX_NAME_LENGTH);
/* Developer: virtual GPIO active high */
/* Lid: the "switch" comes from the EC */
gpios->gpios[2].port = -1;
gpios->gpios[2].polarity = ACTIVE_HIGH;
gpios->gpios[2].value = 1;
strncpy((char *)gpios->gpios[2].name,"developer",
gpios->gpios[2].value = 0;
strncpy((char *)gpios->gpios[2].name,"lid", GPIO_MAX_NAME_LENGTH);
/* Power: hardcoded as not pressed */
gpios->gpios[3].port = -1;
gpios->gpios[3].polarity = ACTIVE_HIGH;
gpios->gpios[3].value = 0;
strncpy((char *)gpios->gpios[3].name,"power", GPIO_MAX_NAME_LENGTH);
/* Developer: virtual GPIO active high */
gpios->gpios[4].port = -1;
gpios->gpios[4].polarity = ACTIVE_HIGH;
gpios->gpios[4].value = 0;
strncpy((char *)gpios->gpios[4].name,"developer",
GPIO_MAX_NAME_LENGTH);
/* Was VGA Option ROM loaded? */
gpios->gpios[3].port = -1; /* Indicate that this is a pseudo GPIO */
gpios->gpios[3].polarity = ACTIVE_HIGH;
gpios->gpios[3].value = 0;
strncpy((char *)gpios->gpios[3].name,"oprom", GPIO_MAX_NAME_LENGTH);
gpios->gpios[5].port = -1; /* Indicate that this is a pseudo GPIO */
gpios->gpios[5].polarity = ACTIVE_HIGH;
gpios->gpios[5].value = 0;
strncpy((char *)gpios->gpios[5].name,"oprom", GPIO_MAX_NAME_LENGTH);
printk(BIOS_ERR, "Added %d GPIOS size %d\n", GPIO_COUNT, gpios->size);