diff --git a/drivers/rpi3/gpio/rpi3_gpio.c b/drivers/rpi3/gpio/rpi3_gpio.c index b39808f..f938f56 100644 --- a/drivers/rpi3/gpio/rpi3_gpio.c +++ b/drivers/rpi3/gpio/rpi3_gpio.c @@ -11,7 +11,7 @@ #include #include -static struct rpi3_gpio_params rpi3_gpio_params; +static uintptr_t reg_base; static int rpi3_gpio_get_direction(int gpio); static void rpi3_gpio_set_direction(int gpio, int direction); @@ -43,7 +43,6 @@ int rpi3_gpio_get_select(int gpio) { int ret; - uintptr_t reg_base = rpi3_gpio_params.reg_base; int regN = gpio / 10; int shift = 3 * (gpio % 10); uintptr_t reg_sel = reg_base + RPI3_GPIO_GPFSEL(regN); @@ -69,7 +68,6 @@ */ void rpi3_gpio_set_select(int gpio, int fsel) { - uintptr_t reg_base = rpi3_gpio_params.reg_base; int regN = gpio / 10; int shift = 3 * (gpio % 10); uintptr_t reg_sel = reg_base + RPI3_GPIO_GPFSEL(regN); @@ -106,7 +104,6 @@ static int rpi3_gpio_get_value(int gpio) { - uintptr_t reg_base = rpi3_gpio_params.reg_base; int regN = gpio / 32; int shift = gpio % 32; uintptr_t reg_lev = reg_base + RPI3_GPIO_GPLEV(regN); @@ -119,7 +116,6 @@ static void rpi3_gpio_set_value(int gpio, int value) { - uintptr_t reg_base = rpi3_gpio_params.reg_base; int regN = gpio / 32; int shift = gpio % 32; uintptr_t reg_set = reg_base + RPI3_GPIO_GPSET(regN); @@ -137,7 +133,6 @@ static void rpi3_gpio_set_pull(int gpio, int pull) { - uintptr_t reg_base = rpi3_gpio_params.reg_base; int regN = gpio / 32; int shift = gpio % 32; uintptr_t reg_pud = reg_base + RPI3_GPIO_GPPUD; @@ -161,9 +156,8 @@ mmio_write_32(reg_pud, 0x0); } -void rpi3_gpio_init(struct rpi3_gpio_params *params) +void rpi3_gpio_init(void) { - assert(params != 0); - memcpy(&rpi3_gpio_params, params, sizeof(struct rpi3_gpio_params)); + reg_base = RPI3_GPIO_BASE; gpio_init(&rpi3_gpio_ops); } diff --git a/include/drivers/rpi3/gpio/rpi3_gpio.h b/include/drivers/rpi3/gpio/rpi3_gpio.h index 159a2e0..7bb3ee2 100644 --- a/include/drivers/rpi3/gpio/rpi3_gpio.h +++ b/include/drivers/rpi3/gpio/rpi3_gpio.h @@ -11,11 +11,7 @@ #include #include -struct rpi3_gpio_params { - uintptr_t reg_base; -}; - -void rpi3_gpio_init(struct rpi3_gpio_params *params); +void rpi3_gpio_init(void); int rpi3_gpio_get_select(int gpio); void rpi3_gpio_set_select(int gpio, int fsel); diff --git a/plat/rpi/rpi3/rpi3_bl2_setup.c b/plat/rpi/rpi3/rpi3_bl2_setup.c index 44827c6..d64235a 100644 --- a/plat/rpi/rpi3/rpi3_bl2_setup.c +++ b/plat/rpi/rpi3/rpi3_bl2_setup.c @@ -24,17 +24,6 @@ /* Data structure which holds the extents of the trusted SRAM for BL2 */ static meminfo_t bl2_tzram_layout __aligned(CACHE_WRITEBACK_GRANULE); -/* rpi3 GPIO setup function. */ -static void rpi3_gpio_setup(void) -{ - struct rpi3_gpio_params params; - - memset(¶ms, 0, sizeof(struct rpi3_gpio_params)); - params.reg_base = RPI3_GPIO_BASE; - - rpi3_gpio_init(¶ms); -} - /* Data structure which holds the MMC info */ static struct mmc_device_info mmc_info; @@ -68,7 +57,7 @@ generic_delay_timer_init(); /* Setup GPIO driver */ - rpi3_gpio_setup(); + rpi3_gpio_init(); /* Setup the BL2 memory layout */ bl2_tzram_layout = *mem_layout;