mb/google/guybrush: Add stubs to configure GPIOs
BUG=b:175143925
TEST=builds
Signed-off-by: Mathew King <mathewk@chromium.org>
Change-Id: I5afd2df396ba41f7d25fa7ff6879b7c1f82f438c
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49954
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
diff --git a/src/mainboard/google/guybrush/bootblock.c b/src/mainboard/google/guybrush/bootblock.c
index dd4c151..d7a30b0 100644
--- a/src/mainboard/google/guybrush/bootblock.c
+++ b/src/mainboard/google/guybrush/bootblock.c
@@ -5,5 +5,9 @@
void bootblock_mainboard_early_init(void)
{
- /* TODO: Perform mainboard initialization */
+ size_t num_gpios;
+ const struct soc_amd_gpio *gpios;
+
+ gpios = variant_bootblock_gpio_table(&num_gpios);
+ program_gpios(gpios, num_gpios);
}
diff --git a/src/mainboard/google/guybrush/mainboard.c b/src/mainboard/google/guybrush/mainboard.c
index 3dc2c41..f4466d1 100644
--- a/src/mainboard/google/guybrush/mainboard.c
+++ b/src/mainboard/google/guybrush/mainboard.c
@@ -1,10 +1,23 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
+#include <baseboard/variants.h>
#include <device/device.h>
+static void mainboard_configure_gpios(void)
+{
+ size_t base_num_gpios, override_num_gpios;
+ const struct soc_amd_gpio *base_gpios, *override_gpios;
+
+ base_gpios = variant_base_gpio_table(&base_num_gpios);
+ override_gpios = variant_override_gpio_table(&override_num_gpios);
+
+ gpio_configure_pads_with_override(base_gpios, base_num_gpios, override_gpios,
+ override_num_gpios);
+}
+
static void mainboard_init(void *chip_info)
{
- /* TODO: Perform mainboard initialization */
+ mainboard_configure_gpios();
}
static void mainboard_enable(struct device *dev)
diff --git a/src/mainboard/google/guybrush/variants/baseboard/Makefile.inc b/src/mainboard/google/guybrush/variants/baseboard/Makefile.inc
new file mode 100644
index 0000000..9fb63f5
--- /dev/null
+++ b/src/mainboard/google/guybrush/variants/baseboard/Makefile.inc
@@ -0,0 +1,3 @@
+bootblock-y += gpio.c
+
+ramstage-y += gpio.c
diff --git a/src/mainboard/google/guybrush/variants/baseboard/gpio.c b/src/mainboard/google/guybrush/variants/baseboard/gpio.c
new file mode 100644
index 0000000..de210e1
--- /dev/null
+++ b/src/mainboard/google/guybrush/variants/baseboard/gpio.c
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <baseboard/gpio.h>
+#include <baseboard/variants.h>
+#include <commonlib/helpers.h>
+
+/* GPIO configuration in ramstage*/
+static const struct soc_amd_gpio base_gpio_table[] = {
+ /* TODO: Fill gpio configuration */
+};
+
+/* Early GPIO configuration in bootblock */
+static const struct soc_amd_gpio bootblock_gpio_table[] = {
+ /* TODO: Fill bootblock gpio configuration */
+};
+
+const struct soc_amd_gpio *__weak variant_base_gpio_table(size_t *size)
+{
+ *size = ARRAY_SIZE(base_gpio_table);
+ return base_gpio_table;
+}
+const struct soc_amd_gpio *__weak variant_override_gpio_table(size_t *size)
+{
+ *size = 0;
+ return NULL;
+}
+
+const struct soc_amd_gpio *__weak variant_bootblock_gpio_table(size_t *size)
+{
+ *size = ARRAY_SIZE(bootblock_gpio_table);
+ return bootblock_gpio_table;
+}
diff --git a/src/mainboard/google/guybrush/variants/baseboard/include/baseboard/variants.h b/src/mainboard/google/guybrush/variants/baseboard/include/baseboard/variants.h
index 927af2f..2946463 100644
--- a/src/mainboard/google/guybrush/variants/baseboard/include/baseboard/variants.h
+++ b/src/mainboard/google/guybrush/variants/baseboard/include/baseboard/variants.h
@@ -3,4 +3,22 @@
#ifndef __BASEBOARD_VARIANTS_H__
#define __BASEBOARD_VARIANTS_H__
+#include <amdblocks/gpio_banks.h>
+
+/*
+ * This function provides base GPIO configuration table. It is typically provided by
+ * baseboard using a weak implementation. If GPIO configuration for a variant differs
+ * significantly from the baseboard, then the variant can also provide a strong implementation
+ * of this function.
+ */
+const struct soc_amd_gpio *variant_base_gpio_table(size_t *size);
+/*
+ * This function allows variant to override any GPIOs that are different than the base GPIO
+ * configuration provided by variant_base_gpio_table().
+ */
+const struct soc_amd_gpio *variant_override_gpio_table(size_t *size);
+
+/* This function provides GPIO init in bootblock. */
+const struct soc_amd_gpio *variant_bootblock_gpio_table(size_t *size);
+
#endif /* __BASEBOARD_VARIANTS_H__ */