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path: root/src/mainboard/google/veyron/chromeos.c
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Diffstat (limited to 'src/mainboard/google/veyron/chromeos.c')
-rw-r--r--src/mainboard/google/veyron/chromeos.c70
1 files changed, 68 insertions, 2 deletions
diff --git a/src/mainboard/google/veyron/chromeos.c b/src/mainboard/google/veyron/chromeos.c
index f396b4b016..4e1e50cc47 100644
--- a/src/mainboard/google/veyron/chromeos.c
+++ b/src/mainboard/google/veyron/chromeos.c
@@ -23,11 +23,68 @@
#include <ec/google/chromeec/ec_commands.h>
#include <string.h>
#include <vendorcode/google/chromeos/chromeos.h>
+#include <soc/rockchip/rk3288/gpio.h>
+#define GPIO_WP (gpio_t){.port = 7, .bank = GPIO_A, .idx = 6}
+#define GPIO_LID (gpio_t){.port = 7, .bank = GPIO_B, .idx = 5}
+#define GPIO_POWER (gpio_t){.port = 0, .bank = GPIO_A, .idx = 5}
+#define GPIO_RECOVERY (gpio_t){.port = 0, .bank = GPIO_B, .idx = 1}
+
+void setup_chromeos_gpios(void)
+{
+ gpio_input(GPIO_WP);
+ gpio_input_pullup(GPIO_LID);
+ gpio_input_pullup(GPIO_POWER);
+ gpio_input_pullup(GPIO_RECOVERY);
+}
void fill_lb_gpios(struct lb_gpios *gpios)
{
+ int count = 0;
+
+ /* Write Protect: active low */
+ gpios->gpios[count].port = GPIO_WP.raw;
+ gpios->gpios[count].polarity = ACTIVE_LOW;
+ gpios->gpios[count].value = gpio_get_in_value(GPIO_WP);
+ strncpy((char *)gpios->gpios[count].name, "write protect",
+ GPIO_MAX_NAME_LENGTH);
+ count++;
+
+ /* Recovery: active low */
+ gpios->gpios[count].port = GPIO_RECOVERY.raw;
+ gpios->gpios[count].polarity = ACTIVE_HIGH;
+ gpios->gpios[count].value = get_recovery_mode_switch();
+ strncpy((char *)gpios->gpios[count].name, "recovery",
+ GPIO_MAX_NAME_LENGTH);
+ count++;
+
+ /* Lid: active high */
+ gpios->gpios[count].port = GPIO_LID.raw;
+ gpios->gpios[count].polarity = ACTIVE_HIGH;
+ gpios->gpios[count].value = gpio_get_in_value(GPIO_LID);
+ strncpy((char *)gpios->gpios[count].name, "lid", GPIO_MAX_NAME_LENGTH);
+ count++;
+
+ /* Power:GPIO active high */
+ gpios->gpios[count].port = GPIO_POWER.raw;
+ gpios->gpios[count].polarity = ACTIVE_HIGH;
+ gpios->gpios[count].value = gpio_get_in_value(GPIO_POWER);
+ strncpy((char *)gpios->gpios[count].name, "power",
+ GPIO_MAX_NAME_LENGTH);
+ count++;
+ /* Developer: GPIO active high */
+ gpios->gpios[count].port = -1;
+ gpios->gpios[count].polarity = ACTIVE_HIGH;
+ gpios->gpios[count].value = get_developer_mode_switch();
+ strncpy((char *)gpios->gpios[count].name, "developer",
+ GPIO_MAX_NAME_LENGTH);
+ count++;
+
+ gpios->size = sizeof(*gpios) + (count * sizeof(struct lb_gpio));
+ gpios->count = count;
+
+ printk(BIOS_ERR, "Added %d GPIOS size %d\n", count, gpios->size);
}
int get_developer_mode_switch(void)
@@ -37,10 +94,19 @@ int get_developer_mode_switch(void)
int get_recovery_mode_switch(void)
{
- return 0;
+ uint32_t ec_events;
+
+ /* The GPIO is active low. */
+ if (!gpio_get_in_value(GPIO_RECOVERY))
+ return 1;
+
+ ec_events = google_chromeec_get_events_b();
+ return !!(ec_events &
+ EC_HOST_EVENT_MASK(EC_HOST_EVENT_KEYBOARD_RECOVERY));
}
int get_write_protect_state(void)
{
- return 0;
+ return !gpio_get_in_value(GPIO_WP);
}
+