[coreboot-gerrit] Change in coreboot[master]: mb/google/brya: Add GPIO stubs

[EricR Lai (Code Review)]

EricR Lai has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/48065 )

Change subject: mb/google/brya: Add GPIO stubs
......................................................................

mb/google/brya: Add GPIO stubs

Add stubbed out GPIO configuration and perform GPIO initialization
during bootblock and ramstage.

BUG=b:174266035
TEST=Build Test

Signed-off-by: Eric Lai 
Change-Id: Ia658ab4b466242cf8658abb239f19a9c0a03849a
---
M src/mainboard/google/brya/bootblock.c
M src/mainboard/google/brya/mainboard.c
A src/mainboard/google/brya/variants/baseboard/gpio.c
M src/mainboard/google/brya/variants/baseboard/include/variants.h
4 files changed, 42 insertions(+), 2 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/65/48065/1

diff --git a/src/mainboard/google/brya/bootblock.c b/src/mainboard/google/brya/bootblock.c
index 8a7b93a..817dd0f 100644
--- a/src/mainboard/google/brya/bootblock.c
+++ b/src/mainboard/google/brya/bootblock.c
@@ -1,8 +1,12 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */

+#include <baseboard/variants.h>
 #include <bootblock_common.h>

void bootblock_mainboard_init(void)
 {
-	/* TODO: Perform mainboard initialization */
+	const struct pad_config *pads;
+	size_t num;
+	pads = variant_early_gpio_table(&num);
+	gpio_configure_pads(pads, num);
 }
diff --git a/src/mainboard/google/brya/mainboard.c b/src/mainboard/google/brya/mainboard.c
index 53425a8..d7c3156 100644
--- a/src/mainboard/google/brya/mainboard.c
+++ b/src/mainboard/google/brya/mainboard.c
@@ -1,14 +1,21 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */

+#include <baseboard/variants.h>
 #include <device/device.h>
+
 static void mainboard_init(void *chip_info)
 {
-	/* TODO: Perform mainboard initialization */
+	const struct pad_config *pads;
+	size_t num;
+	pads = variant_gpio_table(&num);
+	gpio_configure_pads(pads, num);
 }
+
 static void mainboard_enable(struct device *dev)
 {
    /* TODO: Enable mainboard */
 }
+
 struct chip_operations mainboard_ops = {
    .init = mainboard_init,
    .enable_dev = mainboard_enable,
diff --git a/src/mainboard/google/brya/variants/baseboard/gpio.c b/src/mainboard/google/brya/variants/baseboard/gpio.c
new file mode 100644
index 0000000..9bfce4d
--- /dev/null
+++ b/src/mainboard/google/brya/variants/baseboard/gpio.c
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <baseboard/gpio.h>
+#include <baseboard/variants.h>
+#include <commonlib/helpers.h>
+
+/* Pad configuration in ramstage*/
+static const struct pad_config gpio_table[] = {
+	/* ToDo: Fill gpio configuration */
+};
+/* Early pad configuration in bootblock */
+static const struct pad_config early_gpio_table[] = {
+	/* ToDo: Fill early gpio configuration */
+};
+const struct pad_config *__weak variant_gpio_table(size_t *num)
+{
+	*num = ARRAY_SIZE(gpio_table);
+	return gpio_table;
+}
+const struct pad_config *__weak variant_early_gpio_table(size_t *num)
+{
+	*num = ARRAY_SIZE(early_gpio_table);
+	return early_gpio_table;
+}
diff --git a/src/mainboard/google/brya/variants/baseboard/include/variants.h b/src/mainboard/google/brya/variants/baseboard/include/variants.h
index d16d3da..8531f7d 100644
--- a/src/mainboard/google/brya/variants/baseboard/include/variants.h
+++ b/src/mainboard/google/brya/variants/baseboard/include/variants.h
@@ -6,4 +6,9 @@
 #include <soc/gpio.h>
 #include <stdint.h>

+/* The next set of functions return the gpio table and fill in the number of
+ * entries for each table. */
+const struct pad_config *variant_gpio_table(size_t *num);
+const struct pad_config *variant_early_gpio_table(size_t *num);
+
 #endif /*__BASEBOARD_VARIANTS_H__ */