diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/amd/common/block/gpio_banks/gpio.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/src/soc/amd/common/block/gpio_banks/gpio.c b/src/soc/amd/common/block/gpio_banks/gpio.c index 9125308307..c5f8e98677 100644 --- a/src/soc/amd/common/block/gpio_banks/gpio.c +++ b/src/soc/amd/common/block/gpio_banks/gpio.c @@ -105,6 +105,18 @@ static void __gpio_or32(gpio_t gpio_num, uint32_t or) __gpio_update32(gpio_num, -1UL, or); } +static void master_switch_clr(uint32_t mask) +{ + const uint8_t master_reg = GPIO_MASTER_SWITCH / sizeof(uint32_t); + __gpio_and32(master_reg, ~mask); +} + +static void master_switch_set(uint32_t or) +{ + const uint8_t master_reg = GPIO_MASTER_SWITCH / sizeof(uint32_t); + __gpio_or32(master_reg, or); +} + int gpio_get(gpio_t gpio_num) { uint32_t reg; @@ -153,7 +165,7 @@ __weak void soc_gpio_hook(uint8_t gpio, uint8_t mux) {} void program_gpios(const struct soc_amd_gpio *gpio_list_ptr, size_t size) { - uint32_t *gpio_ptr, *inter_master; + uint32_t *gpio_ptr; uint32_t control, control_flags, edge_level, direction; uint32_t mask, bit_edge, bit_level; uint8_t mux, index, gpio; @@ -161,7 +173,6 @@ void program_gpios(const struct soc_amd_gpio *gpio_list_ptr, size_t size) const struct soc_amd_event *gev_tbl; size_t gev_items; - inter_master = (void *)(acpimmio_gpio0 + GPIO_MASTER_SWITCH); direction = 0; edge_level = 0; mask = 0; @@ -176,7 +187,7 @@ void program_gpios(const struct soc_amd_gpio *gpio_list_ptr, size_t size) * Additionally disable interrupt generation so we don't get any * spurious interrupts while updating the registers. */ - mem_read_write32(inter_master, 0, GPIO_MASK_STS_EN | GPIO_INTERRUPT_EN); + master_switch_clr(GPIO_MASK_STS_EN | GPIO_INTERRUPT_EN); soc_get_gpio_event_table(&gev_tbl, &gev_items); @@ -246,7 +257,7 @@ void program_gpios(const struct soc_amd_gpio *gpio_list_ptr, size_t size) * debounce registers while the drivers load. This will cause interrupts * to be missed during boot. */ - mem_read_write32(inter_master, GPIO_INTERRUPT_EN, GPIO_INTERRUPT_EN); + master_switch_set(GPIO_INTERRUPT_EN); /* Set all SCI trigger direction (high/low) */ mem_read_write32((void *)(acpimmio_smi + SMI_SCI_TRIG), direction, mask); |