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snow: Configure the power button as an input GPIO.

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We need to read it to report its value to the payload. The kernel will
reconfigure it as an external interrupt, but we'll make it a regular input
for now.

Change-Id: I019bd2c2731144d3b7bb53fad0c2c903874f616c
Signed-off-by: Gabe Black <gabeblack@chromium.org>
Reviewed-on: http://review.coreboot.org/3096
Reviewed-by: David Hendricks <dhendrix@chromium.org>
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
This commit is contained in:
Gabe Black
2013-04-15 19:47:40 -07:00
parent acb9d44599
commit e2b20f2d5a
1 changed files with 5 additions and 1 deletions
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6
src/mainboard/google/snow/romstage.c
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@@ -128,7 +128,8 @@ static void chromeos_gpios(void)
enum { enum {
WP_GPIO = 6, WP_GPIO = 6,
RECMODE_GPIO = 0, RECMODE_GPIO = 0,
LID_GPIO = 5 LID_GPIO = 5,
POWER_GPIO = 3
}; };
gpio_pt1 = (struct exynos5_gpio_part1 *)EXYNOS5_GPIO_PART1_BASE; gpio_pt1 = (struct exynos5_gpio_part1 *)EXYNOS5_GPIO_PART1_BASE;
@@ -142,6 +143,9 @@ static void chromeos_gpios(void)
s5p_gpio_direction_input(&gpio_pt2->x3, LID_GPIO); s5p_gpio_direction_input(&gpio_pt2->x3, LID_GPIO);
s5p_gpio_set_pull(&gpio_pt2->x3, LID_GPIO, EXYNOS_GPIO_PULL_NONE); s5p_gpio_set_pull(&gpio_pt2->x3, LID_GPIO, EXYNOS_GPIO_PULL_NONE);
s5p_gpio_direction_input(&gpio_pt2->x1, POWER_GPIO);
s5p_gpio_set_pull(&gpio_pt2->x1, POWER_GPIO, EXYNOS_GPIO_PULL_NONE);
} }
void main(void) void main(void)