diff options
Diffstat (limited to 'src/soc/rockchip/rk3288/gpio.c')
-rw-r--r-- | src/soc/rockchip/rk3288/gpio.c | 67 |
1 files changed, 19 insertions, 48 deletions
diff --git a/src/soc/rockchip/rk3288/gpio.c b/src/soc/rockchip/rk3288/gpio.c index 35b4b7ee88..8a15b85908 100644 --- a/src/soc/rockchip/rk3288/gpio.c +++ b/src/soc/rockchip/rk3288/gpio.c @@ -16,66 +16,37 @@ #include <arch/io.h> #include <console/console.h> #include <gpio.h> +#include <soc/gpio.h> #include <soc/grf.h> #include <soc/pmu.h> #include <soc/soc.h> #include <stdlib.h> -struct rk3288_gpio_regs *gpio_port[] = { - (struct rk3288_gpio_regs *)0xff750000, - (struct rk3288_gpio_regs *)0xff780000, - (struct rk3288_gpio_regs *)0xff790000, - (struct rk3288_gpio_regs *)0xff7a0000, - (struct rk3288_gpio_regs *)0xff7b0000, - (struct rk3288_gpio_regs *)0xff7c0000, - (struct rk3288_gpio_regs *)0xff7d0000, - (struct rk3288_gpio_regs *)0xff7e0000, - (struct rk3288_gpio_regs *)0xff7f0000 -}; - -enum { - PULLNONE = 0, - PULLUP, - PULLDOWN +struct rockchip_gpio_regs *gpio_port[] = { + (struct rockchip_gpio_regs *)0xff750000, + (struct rockchip_gpio_regs *)0xff780000, + (struct rockchip_gpio_regs *)0xff790000, + (struct rockchip_gpio_regs *)0xff7a0000, + (struct rockchip_gpio_regs *)0xff7b0000, + (struct rockchip_gpio_regs *)0xff7c0000, + (struct rockchip_gpio_regs *)0xff7d0000, + (struct rockchip_gpio_regs *)0xff7e0000, + (struct rockchip_gpio_regs *)0xff7f0000 }; #define PMU_GPIO_PORT 0 -static void __gpio_input(gpio_t gpio, u32 pull) +int is_pmu_gpio(gpio_t gpio) { - clrbits_le32(&gpio_port[gpio.port]->swporta_ddr, 1 << gpio.num); if (gpio.port == PMU_GPIO_PORT) - clrsetbits_le32(&rk3288_pmu->gpio0pull[gpio.bank], - 3 << (gpio.idx * 2), pull << (gpio.idx * 2)); - else - write32(&rk3288_grf->gpio1_p[(gpio.port - 1)][gpio.bank], - RK_CLRSETBITS(3 << (gpio.idx * 2), - pull << (gpio.idx * 2))); -} - -void gpio_input(gpio_t gpio) -{ - __gpio_input(gpio, PULLNONE); -} - -void gpio_input_pulldown(gpio_t gpio) -{ - __gpio_input(gpio, PULLDOWN); -} - -void gpio_input_pullup(gpio_t gpio) -{ - __gpio_input(gpio, PULLUP); -} - -int gpio_get(gpio_t gpio) -{ - return (read32(&gpio_port[gpio.port]->ext_porta) >> gpio.num) & 0x1; + return 1; + return 0; } -void gpio_output(gpio_t gpio, int value) +void *gpio_grf_reg(gpio_t gpio) { - setbits_le32(&gpio_port[gpio.port]->swporta_ddr, 1 << gpio.num); - clrsetbits_le32(&gpio_port[gpio.port]->swporta_dr, 1 << gpio.num, - !!value << gpio.num); + if (is_pmu_gpio(gpio)) + return &rk3288_pmu->gpio0pull[gpio.bank]; + /* There is one pmu gpio, gpio0 , so " - 1" */ + return &rk3288_grf->gpio1_p[(gpio.port - 1)][gpio.bank]; } |