Change in coreboot[master]: mb/amd/majolica: Add an empty bootblock function to handle GPIO

[Bao Zheng (Code Review)]

Attention is currently required from: Jason Glenesk, Marshall Dawson, Zheng Bao, Felix Held.
Hello Zheng Bao,

I'd like you to do a code review. Please visit

https://review.coreboot.org/c/coreboot/+/50117

to review the following change.

Change subject: mb/amd/majolica: Add an empty bootblock function to handle GPIO
......................................................................

mb/amd/majolica: Add an empty bootblock function to handle GPIO

Change-Id: I35da3812a424ea1beef86d043a756a87e6afdaa3
Signed-off-by: Zheng Bao 
---
M src/mainboard/amd/majolica/bootblock.c
A src/mainboard/amd/majolica/early_gpio.c
A src/mainboard/amd/majolica/gpio.h
3 files changed, 24 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/17/50117/1

diff --git a/src/mainboard/amd/majolica/bootblock.c b/src/mainboard/amd/majolica/bootblock.c
index ccd8ec1..f768f3f 100644
--- a/src/mainboard/amd/majolica/bootblock.c
+++ b/src/mainboard/amd/majolica/bootblock.c
@@ -1,7 +1,9 @@
 /* SPDX-License-Identifier: GPL-2.0-only */

#include <bootblock_common.h>
+#include "gpio.h"

void bootblock_mainboard_early_init(void)
 {
+	mainboard_program_early_gpios();
 }
diff --git a/src/mainboard/amd/majolica/early_gpio.c b/src/mainboard/amd/majolica/early_gpio.c
new file mode 100644
index 0000000..916d679
--- /dev/null
+++ b/src/mainboard/amd/majolica/early_gpio.c
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <soc/gpio.h>
+#include "gpio.h"
+
+/* GPIO pins used by coreboot should be initialized in bootblock */
+
+static const struct soc_amd_gpio gpio_set_stage_reset[] = {
+};
+
+void mainboard_program_early_gpios(void)
+{
+	program_gpios(gpio_set_stage_reset, ARRAY_SIZE(gpio_set_stage_reset));
+}
diff --git a/src/mainboard/amd/majolica/gpio.h b/src/mainboard/amd/majolica/gpio.h
new file mode 100644
index 0000000..2143368
--- /dev/null
+++ b/src/mainboard/amd/majolica/gpio.h
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef MAINBOARD_GPIO_H
+#define MAINBOARD_GPIO_H
+
+void mainboard_program_early_gpios(void); /* bootblock GPIO configuration */
+
+#endif  /* MAINBOARD_GPIO_H */