static uint8_t output_value;
static int dev_mem_fd;
-static void *gpio_controller;
+static uint8_t *gpio_controller;
static volatile uint8_t *gpio_data_register;
static volatile uint8_t *gpio_data_direction_register;
static int set_gonk_mode(void)
{
- void *syscon;
- uint32_t devicecfg;
-
- syscon = mmap(NULL, 4096, PROT_READ | PROT_WRITE,
+ void *syscon = mmap(NULL, 4096, PROT_READ | PROT_WRITE,
MAP_SHARED, dev_mem_fd, 0x80930000);
if (syscon == MAP_FAILED) {
LOG_ERROR("mmap: %s", strerror(errno));
return ERROR_JTAG_INIT_FAILED;
}
- devicecfg = *((volatile int *)(syscon + 0x80));
- *((volatile int *)(syscon + 0xc0)) = 0xaa;
- *((volatile int *)(syscon + 0x80)) = devicecfg | 0x08000000;
+ uint32_t devicecfg = *((volatile uint32_t *)((uintptr_t)syscon + 0x80));
+ *((volatile uint32_t *)((uintptr_t)syscon + 0xc0)) = 0xaa;
+ *((volatile uint32_t *)((uintptr_t)syscon + 0x80)) = devicecfg | 0x08000000;
munmap(syscon, 4096);