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authorEric Lai <ericr_lai@compal.corp-partner.google.com>2020-11-26 12:58:10 +0800
committerTim Wawrzynczak <twawrzynczak@chromium.org>2020-12-02 23:00:36 +0000
commit5e053af7a677d0c1f98e624057ba7409f8492596 (patch)
tree02ecdedb929d66da09b00e8c9c87510d83a0f4d4 /src/mainboard/google/brya/variants
parent50886827b59e9f7ed4d583a4ad91c2a24748a1a2 (diff)
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 <ericr_lai@compal.corp-partner.google.com> Change-Id: Ia658ab4b466242cf8658abb239f19a9c0a03849a Reviewed-on: https://review.coreboot.org/c/coreboot/+/48065 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Diffstat (limited to 'src/mainboard/google/brya/variants')
-rw-r--r--src/mainboard/google/brya/variants/baseboard/Makefile.inc3
-rw-r--r--src/mainboard/google/brya/variants/baseboard/gpio.c27
-rw-r--r--src/mainboard/google/brya/variants/baseboard/include/baseboard/variants.h7
-rw-r--r--src/mainboard/google/brya/variants/brya0/include/variant/gpio.h8
4 files changed, 45 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/baseboard/Makefile.inc b/src/mainboard/google/brya/variants/baseboard/Makefile.inc
new file mode 100644
index 0000000000..9fb63f5f43
--- /dev/null
+++ b/src/mainboard/google/brya/variants/baseboard/Makefile.inc
@@ -0,0 +1,3 @@
+bootblock-y += gpio.c
+
+ramstage-y += gpio.c
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 0000000000..39450cee10
--- /dev/null
+++ b/src/mainboard/google/brya/variants/baseboard/gpio.c
@@ -0,0 +1,27 @@
+/* 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/baseboard/variants.h b/src/mainboard/google/brya/variants/baseboard/include/baseboard/variants.h
index d16d3dad53..95f2d65a24 100644
--- a/src/mainboard/google/brya/variants/baseboard/include/baseboard/variants.h
+++ b/src/mainboard/google/brya/variants/baseboard/include/baseboard/variants.h
@@ -6,4 +6,11 @@
#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__ */
diff --git a/src/mainboard/google/brya/variants/brya0/include/variant/gpio.h b/src/mainboard/google/brya/variants/brya0/include/variant/gpio.h
new file mode 100644
index 0000000000..27c87b3fe7
--- /dev/null
+++ b/src/mainboard/google/brya/variants/brya0/include/variant/gpio.h
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#ifndef __MAINBOARD_GPIO_H__
+#define __MAINBOARD_GPIO_H__
+
+#include <baseboard/gpio.h>
+
+#endif /* __MAINBOARD_GPIO_H__ */