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authorTristan Shieh <tristan.shieh@mediatek.com>2018-09-13 19:28:15 +0800
committerPatrick Georgi <pgeorgi@google.com>2018-09-21 07:08:36 +0000
commit1f64e6aa85b0560b0cbc8b7f08970efa56d27d3a (patch)
treea2fa71c22f6cccb033adb935f57281a409a86c13 /src
parentd1d3e62f92cb918d678763d4f990f6badf65caa3 (diff)
downloadcoreboot-1f64e6aa85b0560b0cbc8b7f08970efa56d27d3a.tar.xz
google/kukui: Set up EC_IN_RW GPIO for ChromeOS
Set up EC_IN_RW GPIO to boot depthcharge. Without this patch, depthcharge will fail to tell if the EC firmware is RW. BUG=b:80501386 BRANCH=none TEST=Boots correctly on Kukui and see in logs, that depthcharge detects EC_IN_RW GPIO. Change-Id: Icb39d663f65b72e0ad54059c9590d9693106ee25 Signed-off-by: Tristan Shieh <tristan.shieh@mediatek.com> Reviewed-on: https://review.coreboot.org/28670 Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Julius Werner <jwerner@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/google/kukui/chromeos.c2
-rw-r--r--src/mainboard/google/kukui/gpio.h3
2 files changed, 4 insertions, 1 deletions
diff --git a/src/mainboard/google/kukui/chromeos.c b/src/mainboard/google/kukui/chromeos.c
index 9184d8835d..bb14b1cc70 100644
--- a/src/mainboard/google/kukui/chromeos.c
+++ b/src/mainboard/google/kukui/chromeos.c
@@ -21,12 +21,14 @@
void setup_chromeos_gpios(void)
{
+ gpio_input_pullup(EC_IN_RW);
gpio_input_pullup(EC_IRQ);
}
void fill_lb_gpios(struct lb_gpios *gpios)
{
struct lb_gpio chromeos_gpios[] = {
+ {EC_IN_RW.id, ACTIVE_HIGH, -1, "EC in RW"},
{EC_IRQ.id, ACTIVE_LOW, -1, "EC interrupt"},
};
lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
diff --git a/src/mainboard/google/kukui/gpio.h b/src/mainboard/google/kukui/gpio.h
index cb9ad24906..a2f77606ac 100644
--- a/src/mainboard/google/kukui/gpio.h
+++ b/src/mainboard/google/kukui/gpio.h
@@ -18,7 +18,8 @@
#include <soc/gpio.h>
-#define EC_IRQ GPIO(PERIPHERAL_EN1)
+#define EC_IRQ GPIO(PERIPHERAL_EN1)
+#define EC_IN_RW GPIO(PERIPHERAL_EN14)
void setup_chromeos_gpios(void);