diff options
| author | Eric Lai <ericr_lai@compal.corp-partner.google.com> | 2020-11-26 12:58:10 +0800 |
|---|---|---|
| committer | Tim Wawrzynczak <twawrzynczak@chromium.org> | 2020-12-02 23:00:36 +0000 |
| commit | 5e053af7a677d0c1f98e624057ba7409f8492596 (patch) | |
| tree | 02ecdedb929d66da09b00e8c9c87510d83a0f4d4 /src/mainboard/google/brya | |
| parent | 50886827b59e9f7ed4d583a4ad91c2a24748a1a2 (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')
8 files changed, 64 insertions, 2 deletions
diff --git a/src/mainboard/google/brya/Kconfig b/src/mainboard/google/brya/Kconfig index f538adef01..3c0875719f 100644 --- a/src/mainboard/google/brya/Kconfig +++ b/src/mainboard/google/brya/Kconfig @@ -26,4 +26,8 @@ config MAINBOARD_PART_NUMBER string default "brya" if BOARD_GOOGLE_BRYA0 +config VARIANT_DIR + string + default "brya0" if BOARD_GOOGLE_BRYA0 + endif # BOARD_GOOGLE_BASEBOARD_BRYA diff --git a/src/mainboard/google/brya/Makefile.inc b/src/mainboard/google/brya/Makefile.inc index 1680fd0a2b..cdd0eb6ef8 100644 --- a/src/mainboard/google/brya/Makefile.inc +++ b/src/mainboard/google/brya/Makefile.inc @@ -4,5 +4,10 @@ romstage-y += romstage.c ramstage-y += mainboard.c +VARIANT_DIR:=$(call strip_quotes,$(CONFIG_VARIANT_DIR)) + subdirs-y += variants/baseboard +subdirs-y += variants/$(VARIANT_DIR) + CPPFLAGS_common += -I$(src)/mainboard/$(MAINBOARDDIR)/variants/baseboard/include +CPPFLAGS_common += -I$(src)/mainboard/$(MAINBOARDDIR)/variants/$(VARIANT_DIR)/include diff --git a/src/mainboard/google/brya/bootblock.c b/src/mainboard/google/brya/bootblock.c index 8a7b93a968..817dd0fa42 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 3dc2c41d69..d7c31565b9 100644 --- a/src/mainboard/google/brya/mainboard.c +++ b/src/mainboard/google/brya/mainboard.c @@ -1,10 +1,14 @@ /* 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) 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__ */ |