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Diffstat (limited to 'src/mainboard/intel/glkrvp/chromeos.c')
-rw-r--r--src/mainboard/intel/glkrvp/chromeos.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/src/mainboard/intel/glkrvp/chromeos.c b/src/mainboard/intel/glkrvp/chromeos.c
new file mode 100644
index 0000000000..b1429b6286
--- /dev/null
+++ b/src/mainboard/intel/glkrvp/chromeos.c
@@ -0,0 +1,85 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2017 Intel Corp.
+ *
+ * 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.
+ */
+
+#include <baseboard/variants.h>
+#include <boot/coreboot_tables.h>
+#include <ec/google/chromeec/ec.h>
+#include <gpio.h>
+#include <vendorcode/google/chromeos/chromeos.h>
+#include <soc/gpio.h>
+#include <variant/gpio.h>
+
+void fill_lb_gpios(struct lb_gpios *gpios)
+{
+ struct lb_gpio chromeos_gpios[] = {
+ {-1, ACTIVE_HIGH, get_write_protect_state(), "write protect"},
+ {-1, ACTIVE_HIGH, get_recovery_mode_switch(), "recovery"},
+ {-1, ACTIVE_HIGH, get_developer_mode_switch(), "developer"},
+ {-1, ACTIVE_HIGH, get_lid_switch(), "lid"},
+ {-1, ACTIVE_HIGH, 0, "power"},
+ {-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"},
+ {GPIO_EC_IN_RW, ACTIVE_HIGH,
+ gpio_get(GPIO_EC_IN_RW), "EC in RW"},
+ };
+ lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
+}
+
+int get_lid_switch(void)
+{
+ if (IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC))
+ /* Read lid switch state from the EC. */
+ return !!(google_chromeec_get_switches() & EC_SWITCH_LID_OPEN);
+ else
+ return 1;
+}
+
+int get_developer_mode_switch(void)
+{
+ /* No physical developer mode switch. It's virtual. */
+ return 0;
+}
+
+int get_recovery_mode_switch(void)
+{
+ if (!IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC))
+ return 0;
+ /* 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)
+{
+ if (!IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC))
+ return 0;
+ /* 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);
+}
+
+void mainboard_chromeos_acpi_generate(void)
+{
+ const struct cros_gpio *gpios;
+ size_t num;
+
+ gpios = variant_cros_gpios(&num);
+ chromeos_acpi_gpio_generate(gpios, num);
+}