diff options
Diffstat (limited to 'src/mainboard/pcengines/apu2/romstage.c')
| -rw-r--r-- | src/mainboard/pcengines/apu2/romstage.c | 62 |
1 files changed, 37 insertions, 25 deletions
diff --git a/src/mainboard/pcengines/apu2/romstage.c b/src/mainboard/pcengines/apu2/romstage.c index 0fc472ff4b..e0a63f0ed8 100644 --- a/src/mainboard/pcengines/apu2/romstage.c +++ b/src/mainboard/pcengines/apu2/romstage.c @@ -2,9 +2,10 @@ #include <stdint.h> #include <amdblocks/acpimmio.h> +#include <console/console.h> #include <device/pci_def.h> #include <device/pci_ops.h> -#include <console/console.h> +#include <gpio.h> #include <northbridge/amd/agesa/state_machine.h> #include "gpio_ftns.h" @@ -28,52 +29,63 @@ void board_BeforeAgesa(struct sysinfo *cb) pm_write8(0xea, 1); } -static void early_lpc_init(void) +static void pin_input(gpio_t gpio, u8 iomux_ftn) +{ + iomux_write8(gpio, iomux_ftn); + gpio_input(gpio); +} + +static void pin_low(gpio_t gpio, u8 iomux_ftn) +{ + iomux_write8(gpio, iomux_ftn); + gpio_output(gpio, 0); +} + +static void pin_high(gpio_t gpio, u8 iomux_ftn) { - u32 setting = 0x0; + iomux_write8(gpio, iomux_ftn); + gpio_output(gpio, 1); +} +static void early_lpc_init(void) +{ // - // Configure output disabled, value low, pull up/down disabled + // Configure output disabled, pull up/down disabled // - if (CONFIG(BOARD_PCENGINES_APU5)) { - configure_gpio(GPIO_22, Function0, setting); - } + if (CONFIG(BOARD_PCENGINES_APU5)) + pin_input(GPIO_22, Function0); if (CONFIG(BOARD_PCENGINES_APU2) || CONFIG(BOARD_PCENGINES_APU3) || CONFIG(BOARD_PCENGINES_APU4)) { - configure_gpio(GPIO_32, Function0, setting); + pin_input(GPIO_32, Function0); } - configure_gpio(GPIO_49, Function2, setting); - configure_gpio(GPIO_50, Function2, setting); - configure_gpio(GPIO_71, Function0, setting); + pin_input(GPIO_49, Function2); + pin_input(GPIO_50, Function2); + pin_input(GPIO_71, Function0); // // Configure output enabled, value low, pull up/down disabled // - setting = GPIO_OUTPUT_ENABLE; if (CONFIG(BOARD_PCENGINES_APU3) || CONFIG(BOARD_PCENGINES_APU4)) { - configure_gpio(GPIO_33, Function0, setting); + pin_low(GPIO_33, Function0); } - - configure_gpio(GPIO_57, Function1, setting); - configure_gpio(GPIO_58, Function1, setting); - configure_gpio(GPIO_59, Function3, setting); + pin_low(GPIO_57, Function1); + pin_low(GPIO_58, Function1); + pin_low(GPIO_59, Function3); // // Configure output enabled, value high, pull up/down disabled // - setting = GPIO_OUTPUT_ENABLE | GPIO_OUTPUT_VALUE; - if (CONFIG(BOARD_PCENGINES_APU5)) { - configure_gpio(GPIO_32, Function0, setting); - configure_gpio(GPIO_33, Function0, setting); + pin_high(GPIO_32, Function0); + pin_high(GPIO_33, Function0); } - configure_gpio(GPIO_51, Function2, setting); - configure_gpio(GPIO_55, Function3, setting); - configure_gpio(GPIO_64, Function2, setting); - configure_gpio(GPIO_68, Function0, setting); + pin_high(GPIO_51, Function2); + pin_high(GPIO_55, Function3); + pin_high(GPIO_64, Function2); + pin_high(GPIO_68, Function0); } |