[S] Change in coreboot[master]: mb/google/skyrim/var/markarth: Update GPIO settings

[John Su (Code Review)]

John Su has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/71635 )

Change subject: mb/google/skyrim/var/markarth: Update GPIO settings
......................................................................

mb/google/skyrim/var/markarth: Update GPIO settings

Configure GPIOs based on b/263534907#comment4 from EE.

BUG=b:263534907, b:263216451
BRANCH=None
TEST=FW_NAME=markarth emerge-skyrim coreboot

Signed-off-by: John Su 
Change-Id: I5346a4322a6538d69d3482948166cfb5bd182021
---
M src/mainboard/google/skyrim/variants/markarth/Makefile.inc
A src/mainboard/google/skyrim/variants/markarth/gpio.c
2 files changed, 45 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/35/71635/1

diff --git a/src/mainboard/google/skyrim/variants/markarth/Makefile.inc b/src/mainboard/google/skyrim/variants/markarth/Makefile.inc
index 88e75bd..83f7700 100644
--- a/src/mainboard/google/skyrim/variants/markarth/Makefile.inc
+++ b/src/mainboard/google/skyrim/variants/markarth/Makefile.inc
@@ -1,3 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0-or-later

subdirs-y += ./memory
+ramstage-y += gpio.c
diff --git a/src/mainboard/google/skyrim/variants/markarth/gpio.c b/src/mainboard/google/skyrim/variants/markarth/gpio.c
new file mode 100644
index 0000000..0a7c17a
--- /dev/null
+++ b/src/mainboard/google/skyrim/variants/markarth/gpio.c
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#include <baseboard/gpio.h>
+#include <baseboard/variants.h>
+#include <commonlib/helpers.h>
+#include <gpio.h>
+
+/* GPIO configuration in ramstage */
+static const struct soc_amd_gpio override_gpio_table[] = {
+
+	/* SOC_PEN_DETECT_ODL => Unused */
+	PAD_NC(GPIO_3),
+	/* EN_PWR_FP => Unused */
+	PAD_NC(GPIO_4),
+	/* EN_PWR_WWAN_X => Unused */
+	PAD_NC(GPIO_8),
+	/* SOC_FP_INT_L => Unused */
+	PAD_NC(GPIO_24),
+	/* SD_AUX_RST_SOC_L => Unused */
+	PAD_NC(GPIO_27),
+	/* WWAN_RST_L => Unused */
+	PAD_NC(GPIO_42),
+};
+
+void variant_override_gpio_table(const struct soc_amd_gpio **gpio, size_t *size)
+{
+	*size = ARRAY_SIZE(override_gpio_table);
+	*gpio = override_gpio_table;
+}