1 files changed, 95 insertions, 0 deletions
diff --git a/src/mainboard/google/lars/chromeos.c b/src/mainboard/google/lars/chromeos.c
new file mode 100644
index 0000000000..905de137ac
--- /dev/null
+++ b/src/mainboard/google/lars/chromeos.c
@@ -0,0 +1,95 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2013 Google Inc.
+ * Copyright (C) 2015 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc.
+ */
+
+#include <arch/io.h>
+#include <console/console.h>
+#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 "gpio.h"
+#include "ec.h"
+
+#if ENV_RAMSTAGE
+#include <boot/coreboot_tables.h>
+
+void fill_lb_gpios(struct lb_gpios *gpios)
+{
+	struct lb_gpio *start_gpio = gpios->gpios;
+	struct lb_gpio *gpio = start_gpio;
+
+	fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "write protect",
+		     get_write_protect_state());
+	fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "recovery",
+		     get_recovery_mode_switch());
+	fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "developer",
+		     get_developer_mode_switch());
+	fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "lid",
+		     get_lid_switch());
+	fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "power", 0);
+	fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "oprom", gfx_get_init_done());
+	fill_lb_gpio(gpio++, GPIO_EC_IN_RW, ACTIVE_HIGH, "EC in RW",
+		     gpio_get(GPIO_EC_IN_RW));
+
+	gpios->count = gpio - start_gpio;
+	gpios->size = sizeof(*gpios) + (gpios->count * sizeof(*gpio));
+}
+#endif /* ENV_RAMSTAGE */
+
+int get_lid_switch(void)
+{
+	/* Read lid switch state from the EC. */
+	return !!(google_chromeec_get_switches() & EC_SWITCH_LID_OPEN);
+}
+
+int get_developer_mode_switch(void)
+{
+	/* No physical developer mode switch. */
+	return 0;
+}
+
+int get_recovery_mode_switch(void)
+{
+	/* 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)
+{
+	/* Read PCH_WP GPIO. */
+	return gpio_get(GPIO_PCH_WP);
+}