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authorEric Lai <ericr_lai@compal.corp-partner.google.com>2021-03-09 13:05:47 +0800
committerMartin Roth <martinroth@google.com>2021-03-11 15:07:06 +0000
commit6bb5b9a058f1acb6266039931f9b209c107b7987 (patch)
tree3c5234a76f64d1d0e50fe5c27bd6a16f53e52f2d /src/mainboard
parent06039025250e0908c8da63f879eafd2b3581db19 (diff)
downloadcoreboot-6bb5b9a058f1acb6266039931f9b209c107b7987.tar.xz
mb/google/mancomb: Add stubs to configure GPIOs
BUG=b:182211161 TEST=builds Signed-off-by: Eric Lai <ericr_lai@compal.corp-partner.google.com> Change-Id: I7de5e4a4d2273d0ea5a84210ea0ce28d312eaa95 Reviewed-on: https://review.coreboot.org/c/coreboot/+/51365 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Mathew King <mathewk@chromium.org>
Diffstat (limited to 'src/mainboard')
-rw-r--r--src/mainboard/google/mancomb/bootblock.c5
-rw-r--r--src/mainboard/google/mancomb/mainboard.c13
-rw-r--r--src/mainboard/google/mancomb/variants/baseboard/Makefile.inc3
-rw-r--r--src/mainboard/google/mancomb/variants/baseboard/gpio.c32
-rw-r--r--src/mainboard/google/mancomb/variants/baseboard/include/baseboard/variants.h18
5 files changed, 69 insertions, 2 deletions
diff --git a/src/mainboard/google/mancomb/bootblock.c b/src/mainboard/google/mancomb/bootblock.c
index dd4c1516b1..b57ab3c5bb 100644
--- a/src/mainboard/google/mancomb/bootblock.c
+++ b/src/mainboard/google/mancomb/bootblock.c
@@ -5,5 +5,8 @@
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/mancomb/mainboard.c b/src/mainboard/google/mancomb/mainboard.c
index 3dc2c41d69..4129cff11d 100644
--- a/src/mainboard/google/mancomb/mainboard.c
+++ b/src/mainboard/google/mancomb/mainboard.c
@@ -1,10 +1,21 @@
/* 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/mancomb/variants/baseboard/Makefile.inc b/src/mainboard/google/mancomb/variants/baseboard/Makefile.inc
new file mode 100644
index 0000000000..9fb63f5f43
--- /dev/null
+++ b/src/mainboard/google/mancomb/variants/baseboard/Makefile.inc
@@ -0,0 +1,3 @@
+bootblock-y += gpio.c
+
+ramstage-y += gpio.c
diff --git a/src/mainboard/google/mancomb/variants/baseboard/gpio.c b/src/mainboard/google/mancomb/variants/baseboard/gpio.c
new file mode 100644
index 0000000000..de210e1f88
--- /dev/null
+++ b/src/mainboard/google/mancomb/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/mancomb/variants/baseboard/include/baseboard/variants.h b/src/mainboard/google/mancomb/variants/baseboard/include/baseboard/variants.h
index 927af2f913..2946463f4b 100644
--- a/src/mainboard/google/mancomb/variants/baseboard/include/baseboard/variants.h
+++ b/src/mainboard/google/mancomb/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__ */