2 files changed, 31 insertions, 7 deletions
diff --git a/src/mainboard/google/glados/acpi/chromeos.asl b/src/mainboard/google/glados/acpi/chromeos.asl
index 8edbff3509..09f7ed1de4 100644
--- a/src/mainboard/google/glados/acpi/chromeos.asl
+++ b/src/mainboard/google/glados/acpi/chromeos.asl
@@ -17,7 +17,11 @@
  * Foundation, Inc.
  */
 
-Name (OIPG, Package() {
-	Package () { 0x0001, 0, 0xFFFFFFFF, "INT344B:00" }, // no recovery button
-	Package () { 0x0003, 1, 71, "INT344B:00" }, // firmware write protect
+#include <soc/gpio.h>
+
+Name (OIPG, Package () {
+	/* No physical recovery GPIO. */
+	Package () { 0x0001, 0, 0xFFFFFFFF, "INT344B:00" },
+	/* Firmware write protect GPIO. */
+	Package () { 0x0003, 1, GPP_C23, "INT344B:00" },
 })
diff --git a/src/mainboard/google/glados/chromeos.c b/src/mainboard/google/glados/chromeos.c
index 70d78e0743..f7a8770dbd 100644
--- a/src/mainboard/google/glados/chromeos.c
+++ b/src/mainboard/google/glados/chromeos.c
@@ -23,10 +23,14 @@
 #include <device/device.h>
 #include <device/pci.h>
 #include <rules.h>
+#include <gpio.h>
 #include <soc/gpio.h>
 #include <string.h>
+#include <ec/google/chromeec/ec.h>
 #include <vendorcode/google/chromeos/chromeos.h>
 
+#include "ec.h"
+
 #if ENV_RAMSTAGE
 #include <boot/coreboot_tables.h>
 
@@ -55,20 +59,36 @@ void fill_lb_gpios(struct lb_gpios *gpios)
 
 int get_lid_switch(void)
 {
-	return 1;
+	/* Read lid switch state from the EC. */
+	return !!(google_chromeec_get_switches() & EC_SWITCH_LID_OPEN);
 }
-/* The dev-switch is virtual */
+
 int get_developer_mode_switch(void)
 {
+	/* No physical developer mode switch. */
 	return 0;
 }
 
 int get_recovery_mode_switch(void)
 {
-	return 0;
+	/* Check for dedicated recovery switch first. */
+	if (google_chromeec_get_switches() & EC_SWITCH_DEDICATED_RECOVERY)
+		return 1;
+
+	/* Otherwise check if the EC has posted the keyboard recovery event. */
+	return !!(google_chromeec_get_events_b() &
+		  EC_HOST_EVENT_MASK(EC_HOST_EVENT_KEYBOARD_RECOVERY));
+}
+
+int clear_recovery_mode_switch(void)
+{
+	/* Clear keyboard recovery event. */
+	return google_chromeec_clear_events_b(
+		EC_HOST_EVENT_MASK(EC_HOST_EVENT_KEYBOARD_RECOVERY));
 }
 
 int get_write_protect_state(void)
 {
-	return 0;
+	/* Read PCH_WP GPIO. */
+	return gpio_get(GPP_C23);
 }