diff options
| author | Felix Held <felix-coreboot@felixheld.de> | 2021-02-07 20:36:17 +0100 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2021-03-28 16:02:20 +0000 |
| commit | 2fa96eb33eeefa745b2ac8639e3c9d48fe6778e0 (patch) | |
| tree | fca43ec766884b30770306a56706c9a98912bc57 /src/soc | |
| parent | 89d3a2f01e373340b836f68a36c4dd43fedb7808 (diff) | |
soc/amd/common/gpio: add PAD_NF_SCI pad type
This patch adds a pin configuration macro that supports both switching a
pin to its native function and configuring it as a SCI source. This is a
preparation to remove the GPIO2 soc_gpio_hook.
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: If0da5c010f35fd902f6b8857368daec93c12394a
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50373
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/amd/common/block/include/amdblocks/gpio_defs.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/src/soc/amd/common/block/include/amdblocks/gpio_defs.h b/src/soc/amd/common/block/include/amdblocks/gpio_defs.h index c634cd6490..4b25c31aed 100644 --- a/src/soc/amd/common/block/include/amdblocks/gpio_defs.h +++ b/src/soc/amd/common/block/include/amdblocks/gpio_defs.h @@ -167,11 +167,16 @@ * PAD_SCI The pin is a SCI source * pin the pin to be programmed * pull pull up, pull down or no pull - * event trigger LEVEL_LOW, LEVEL_HIGH, EDGE_LOW, EDGE_HIGH + * event trigger LEVEL_LOW, LEVEL_HIGH, EDGE_LOW, EDGE_HIGH * PAD_SMI The pin is a SMI source * pin the pin to be programmed * pull pull up, pull down or no pull - * event trigger LEVEL_LOW, LEVEL_HIGH + * event trigger LEVEL_LOW, LEVEL_HIGH + * PAD_NF_SCI Define native alternate function and confiure SCI source + * pin the pin to be programmed + * function the native function + * pull pull up, pull down or no pull + * event trigger LEVEL_LOW, LEVEL_HIGH, EDGE_LOW, EDGE_HIGH * PAD_WAKE The pin can wake, use after PAD_INT or PAD_SCI * pin the pin to be programmed * pull pull up, pull down or no pull @@ -232,6 +237,12 @@ PAD_PULL(pull) | PAD_TRIGGER(LEVEL_HIGH), \ PAD_FLAG_EVENT_TRIGGER(trigger) | GPIO_FLAG_SMI) +/* Native function + SCI pad configuration */ +#define PAD_NF_SCI(pin, func, pull, trigger) \ + PAD_CFG_STRUCT_FLAGS(pin, pin ## _IOMUX_ ## func, \ + PAD_PULL(pull), \ + PAD_FLAG_EVENT_TRIGGER(trigger) | GPIO_FLAG_SCI) + /* WAKE pad configuration */ #define PAD_WAKE(pin, pull, trigger, type) \ PAD_CFG_STRUCT(pin, pin ## _IOMUX_GPIOxx, \ |