diff options
Diffstat (limited to 'src/mainboard/pcengines/apu2/gpio_ftns.c')
| -rw-r--r-- | src/mainboard/pcengines/apu2/gpio_ftns.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/mainboard/pcengines/apu2/gpio_ftns.c b/src/mainboard/pcengines/apu2/gpio_ftns.c index 58dedffe9ddf..f3939cd2a105 100644 --- a/src/mainboard/pcengines/apu2/gpio_ftns.c +++ b/src/mainboard/pcengines/apu2/gpio_ftns.c @@ -38,6 +38,23 @@ void configure_gpio(u32 iomux_gpio, u8 iomux_ftn, u32 gpio, u32 setting) iomux_ftn & 0x3); } +u8 read_gpio(u32 gpio) +{ + u32 status = read32((const volatile void *)(ACPI_MMIO_BASE + GPIO_OFFSET + + gpio)); + + return (status & GPIO_PIN_STS) ? 1 : 0; +} + +void write_gpio(u32 gpio, u8 value) +{ + u32 status = read32((const volatile void *)(ACPI_MMIO_BASE + GPIO_OFFSET + + gpio)); + status &= ~GPIO_OUTPUT_VALUE; + status |= (value > 0) ? GPIO_OUTPUT_VALUE : 0; + write32((volatile void *)(ACPI_MMIO_BASE + GPIO_OFFSET + gpio), status); +} + int get_spd_offset(void) { u8 index = 0; |