mb/google/skyrim: Enable ACPI tables

Add GPIO initialization and ACPI generation for tables

BUG=b:214415303
TEST=builds
BRANCH=none

Signed-off-by: Jon Murphy <jpmurphy@google.com>
Change-Id: I8f9c7d3f2fdbd5d791032637dbf97c18864ee9e7
Reviewed-on: https://review.coreboot.org/c/coreboot/+/62044
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/google/skyrim/chromeos.c

@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <baseboard/gpio.h>
+#include <vendorcode/google/chromeos/chromeos.h>
+
+static const struct cros_gpio cros_gpios[] = {
+	CROS_GPIO_REC_AL(CROS_GPIO_VIRTUAL, GPIO_DEVICE_NAME),
+	CROS_GPIO_WP_AL(CROS_WP_GPIO, GPIO_DEVICE_NAME),
+};
+
+void mainboard_chromeos_acpi_generate(void)
+{
+	chromeos_acpi_gpio_generate(cros_gpios, ARRAY_SIZE(cros_gpios));
+}

src/mainboard/google/skyrim/variants/baseboard/include/baseboard/gpio.h

@@ -3,4 +3,9 @@
 #ifndef __BASEBOARD_GPIO_H__
 #define __BASEBOARD_GPIO_H__
 
+#include <soc/gpio.h>
+
+/* SPI Write protect */
+#define CROS_WP_GPIO GPIO_138
+
 #endif /* __BASEBOARD_GPIO_H__ */