mb/google/dedede: Enable building for Chrome OS

Enable building for Chrome OS and add associated ACPI configuration.

BUG=b:144768001
TEST=Build Test

Change-Id: Ibb94849a903e4d4364d817de8988a430cd717e4c
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38281
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>

1 files changed, 51 insertions, 0 deletions

diff --git a/src/mainboard/google/dedede/chromeos.c b/src/mainboard/google/dedede/chromeos.c
new file mode 100644
index 0000000000..44a8c042a8
--- /dev/null
+++ b/src/mainboard/google/dedede/chromeos.c
@@ -0,0 +1,51 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2020 The coreboot project Authors.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include <baseboard/gpio.h>
+#include <baseboard/variants.h>
+#include <boot/coreboot_tables.h>
+#include <gpio.h>
+#include <vendorcode/google/chromeos/chromeos.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_lid_switch(), "lid"},
+		{-1, ACTIVE_HIGH, 0, "power"},
+		{-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"},
+	};
+	lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
+}
+
+int get_lid_switch(void)
+{
+	/* TODO: use Chrome EC switches when EC support is added */
+	return 1;
+}
+
+int get_recovery_mode_switch(void)
+{
+	/* TODO: use Chrome EC switches when EC support is added */
+	return 0;
+}
+
+int get_write_protect_state(void)
+{
+	/* No write protect */
+	return 0;
+}
+
+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);
+}