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authorZheng Bao <fishbaozi@gmail.com>2021-01-29 18:10:00 +0800
committerFelix Held <felix-coreboot@felixheld.de>2021-01-30 17:56:15 +0000
commitadac6f40f25eb5914ca4a915ffcff170bc3d50fc (patch)
tree1d35739eb24c148fe0f91076c06271bd875863d4 /src/mainboard
parent27ee72f1176b94161bdee901d4f8e681870226e6 (diff)
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mb/amd/majolica: Add an empty bootblock function to handle GPIO
Change-Id: I35da3812a424ea1beef86d043a756a87e6afdaa3 Signed-off-by: Zheng Bao <fishbaozi@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/50117 Reviewed-by: Felix Held <felix-coreboot@felixheld.de> Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard')
-rw-r--r--src/mainboard/amd/majolica/Makefile.inc1
-rw-r--r--src/mainboard/amd/majolica/bootblock.c2
-rw-r--r--src/mainboard/amd/majolica/early_gpio.c14
-rw-r--r--src/mainboard/amd/majolica/gpio.h8
4 files changed, 25 insertions, 0 deletions
diff --git a/src/mainboard/amd/majolica/Makefile.inc b/src/mainboard/amd/majolica/Makefile.inc
index ef2e12578bd3..a1a6b8a295dd 100644
--- a/src/mainboard/amd/majolica/Makefile.inc
+++ b/src/mainboard/amd/majolica/Makefile.inc
@@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0-only
bootblock-y += bootblock.c
+bootblock-y += early_gpio.c
APCB_SOURCES = $(MAINBOARD_BLOBS_DIR)/APCB_CZN_D4_Updatable.bin
APCB_SOURCES_68 = $(MAINBOARD_BLOBS_DIR)/APCB_CZN_D4_Updatable_68.bin
diff --git a/src/mainboard/amd/majolica/bootblock.c b/src/mainboard/amd/majolica/bootblock.c
index ccd8ec1b40d1..f768f3f77825 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 000000000000..916d67976d8b
--- /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 000000000000..2143368b2b63
--- /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 */