diff options
Diffstat (limited to 'recipes-support/bmode-usb/bmode-usb')
| -rw-r--r-- | recipes-support/bmode-usb/bmode-usb/bmode_usb.c | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/recipes-support/bmode-usb/bmode-usb/bmode_usb.c b/recipes-support/bmode-usb/bmode-usb/bmode_usb.c index c8ca7e2..3ac6ddc 100644 --- a/recipes-support/bmode-usb/bmode-usb/bmode_usb.c +++ b/recipes-support/bmode-usb/bmode-usb/bmode_usb.c @@ -18,28 +18,41 @@ #include <sys/mman.h> #include <unistd.h> -/* valid for i.MX6DL/i.MX6Q */ -#define SRC_BASE_ADDR 0x020D8000 -#define SRC_GPR9_OFF (0x40/4) -#define SRC_GPR10_OFF (0x44/4) +#ifdef MX6 +#define SRC_BASE_ADDR 0x020D8000 +#define SRC_GPR9_OFF (0x40/4) +#define SRC_GPR10_OFF (0x44/4) +#define SRC_GPR9_OFF_VALUE 0x10 +#define SRC_GPR10_OFF_VALUE 0x10000000 +#elif defined(MX6ULL) +#define SRC_BASE_ADDR 0x020D8000 +#define SRC_GPR9_OFF (0x40/4) +#define SRC_GPR10_OFF (0x44/4) +#define SRC_GPR9_OFF_VALUE 0x20 +#define SRC_GPR10_OFF_VALUE 0x10000000 +#endif int main(void) { +#if ( defined(MX6) | defined(MX6ULL) ) int fd; unsigned reg; unsigned *src; fd = open("/dev/mem", O_RDWR); src = (unsigned *)mmap(0, SRC_GPR10_OFF + 4, PROT_READ|PROT_WRITE, - MAP_SHARED, fd, 0x020D8000); + MAP_SHARED, fd, SRC_BASE_ADDR); if(src == NULL) { printf("Failed to mmap register\n"); return -1; } - src[SRC_GPR9_OFF] = 0x10; - src[SRC_GPR10_OFF] |= 0x10000000; + src[SRC_GPR9_OFF] = SRC_GPR9_OFF_VALUE; + src[SRC_GPR10_OFF] |= SRC_GPR10_OFF_VALUE; printf("Next reboot (not powercycle!) will boot to recovery mode\n"); +#else + printf("Not supported on this platform\n"); +#endif return 0; } |