diff options
| author | Jon Murphy <jpmurphy@google.com> | 2023-02-23 13:47:44 -0700 |
|---|---|---|
| committer | Eric Lai <eric_lai@quanta.corp-partner.google.com> | 2023-04-10 01:10:46 +0000 |
| commit | 8d23d46eb7ffe17757b008988b1e1ba09cdaa648 (patch) | |
| tree | 165345a00c60f50c944b5702088e90adbc4e048d /src/mainboard/google/myst/variants | |
| parent | a859057db8d2eaf59a7575e303d7af35979d12d7 (diff) | |
mb/google/myst: Add stubs to configure GPIOs
Add configuration stubs for GPIOs to be implemented later.
BUG=b:270596581
TEST=builds
Signed-off-by: Jon Murphy <jpmurphy@google.com>
Change-Id: I3228f857da7c8c76cf32faf4a23418aedaf40875
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74094
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>
Diffstat (limited to 'src/mainboard/google/myst/variants')
4 files changed, 57 insertions, 0 deletions
diff --git a/src/mainboard/google/myst/variants/baseboard/Makefile.inc b/src/mainboard/google/myst/variants/baseboard/Makefile.inc new file mode 100644 index 0000000000..9fb63f5f43 --- /dev/null +++ b/src/mainboard/google/myst/variants/baseboard/Makefile.inc @@ -0,0 +1,3 @@ +bootblock-y += gpio.c + +ramstage-y += gpio.c diff --git a/src/mainboard/google/myst/variants/baseboard/gpio.c b/src/mainboard/google/myst/variants/baseboard/gpio.c new file mode 100644 index 0000000000..4383d147ee --- /dev/null +++ b/src/mainboard/google/myst/variants/baseboard/gpio.c @@ -0,0 +1,33 @@ +/* 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(b/270596581): Fill gpio configuration */ +}; + +/* GPIO configuration in bootblock */ +static const struct soc_amd_gpio bootblock_gpio_table[] = { + /* TODO(b/275965982): Fill bootblock gpio configuration */ +}; + +void baseboard_gpio_table(const struct soc_amd_gpio **gpio, size_t *size) +{ + *size = ARRAY_SIZE(base_gpio_table); + *gpio = base_gpio_table; +} + +__weak void variant_bootblock_gpio_table(const struct soc_amd_gpio **gpio, size_t *size) +{ + *size = ARRAY_SIZE(bootblock_gpio_table); + *gpio = bootblock_gpio_table; +} + +__weak void variant_override_gpio_table(const struct soc_amd_gpio **gpio, size_t *size) +{ + *size = 0; + *gpio = NULL; +} diff --git a/src/mainboard/google/myst/variants/baseboard/include/baseboard/gpio.h b/src/mainboard/google/myst/variants/baseboard/include/baseboard/gpio.h new file mode 100644 index 0000000000..b94afac4bf --- /dev/null +++ b/src/mainboard/google/myst/variants/baseboard/include/baseboard/gpio.h @@ -0,0 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +#ifndef __BASEBOARD_GPIO_H__ +#define __BASEBOARD_GPIO_H__ + +#endif /* __BASEBOARD_GPIO_H__ */ diff --git a/src/mainboard/google/myst/variants/baseboard/include/baseboard/variants.h b/src/mainboard/google/myst/variants/baseboard/include/baseboard/variants.h index 927af2f913..3f6954803f 100644 --- a/src/mainboard/google/myst/variants/baseboard/include/baseboard/variants.h +++ b/src/mainboard/google/myst/variants/baseboard/include/baseboard/variants.h @@ -3,4 +3,19 @@ #ifndef __BASEBOARD_VARIANTS_H__ #define __BASEBOARD_VARIANTS_H__ +#include <gpio.h> + + +/* This function provides base GPIO configuration table. */ +void baseboard_gpio_table(const struct soc_amd_gpio **gpio, size_t *size); + +/* This function provides GPIO init in bootblock. */ +void variant_bootblock_gpio_table(const struct soc_amd_gpio **gpio, size_t *size); + +/* + * This function allows variant to override any GPIOs that are different than the base GPIO + * configuration provided by baseboard_gpio_table(). + */ +void variant_override_gpio_table(const struct soc_amd_gpio **gpio, size_t *size); + #endif /* __BASEBOARD_VARIANTS_H__ */ |