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soc/amd/common/block/gpio_banks: factor out gpio_mux_ptr 

This aligns the GPIO MUX access more with the GPIO control register
access and will facilitate adding support for the remote GPIO bank. Also
change the GPIO number argument type to gpio_t.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I4054656c5cc23ea942e8dd370fbbffca304755d6
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56787
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
This commit is contained in:
Felix Held 2021-08-04 01:57:38 +02:00
parent 85e733f0ef
commit aa9ad05449
1 changed files with 9 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
src/soc/amd/common/block/gpio_banks/gpio.c
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@ -31,14 +31,19 @@ static inline void gpio_write32(gpio_t gpio_num, uint32_t value)
write32(gpio_ctrl_ptr(gpio_num), value);
}
static inline uint8_t iomux_read8(uint8_t reg)
static inline void *gpio_mux_ptr(gpio_t gpio_num)
{
return read8(acpimmio_iomux + reg);
return acpimmio_iomux + gpio_num;
}
static inline void iomux_write8(uint8_t reg, uint8_t value)
static inline uint8_t iomux_read8(gpio_t gpio_num)
{
write8(acpimmio_iomux + reg, value);
return read8(gpio_mux_ptr(gpio_num));
}
static inline void iomux_write8(gpio_t gpio_num, uint8_t value)
{
write8(gpio_mux_ptr(gpio_num), value);
}
static uint8_t get_gpio_mux(gpio_t gpio)