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soc/amd/common/block/gpio_banks: move GPIO MUX access functions 

Move those two functions near the top of the file to have all functions
that do the hardware accesses in one place.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: If787e6e1d124a932beafd73e5ce7d0ce4869e800
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56782
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
This commit is contained in:
Felix Held 2021-08-03 15:53:36 +02:00
parent afa750bf57
commit ad38ac0182
1 changed files with 11 additions and 11 deletions
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22
src/soc/amd/common/block/gpio_banks/gpio.c
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@ -31,6 +31,17 @@ static inline void gpio_write32(gpio_t gpio_num, uint32_t value)
write32(gpio_ctrl_ptr(gpio_num), value);
}
static uint8_t get_gpio_mux(gpio_t gpio)
{
return iomux_read8(gpio);
}
static void set_gpio_mux(gpio_t gpio, uint8_t function)
{
iomux_write8(gpio, function & AMD_GPIO_MUX_MASK);
get_gpio_mux(gpio); /* Flush posted write */
}
static int get_gpio_gevent(gpio_t gpio, const struct soc_amd_event *table,
size_t items)
{
@ -176,17 +187,6 @@ uint16_t gpio_acpi_pin(gpio_t gpio)
return gpio;
}
static uint8_t get_gpio_mux(gpio_t gpio)
{
return iomux_read8(gpio);
}
static void set_gpio_mux(gpio_t gpio, uint8_t function)
{
iomux_write8(gpio, function & AMD_GPIO_MUX_MASK);
get_gpio_mux(gpio); /* Flush posted write */
}
void gpio_save_pin_registers(gpio_t gpio, struct soc_amd_gpio_register_save *save)
{
save->mux_value = get_gpio_mux(gpio);