diff options
| -rw-r--r-- | src/jtag/drivers/bcm2835gpio.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/jtag/drivers/bcm2835gpio.c b/src/jtag/drivers/bcm2835gpio.c index bbc87d3..df557c5 100644 --- a/src/jtag/drivers/bcm2835gpio.c +++ b/src/jtag/drivers/bcm2835gpio.c @@ -466,7 +466,11 @@ static int bcm2835gpio_init(void) return ERROR_JTAG_INIT_FAILED; } - dev_mem_fd = open("/dev/mem", O_RDWR | O_SYNC); + dev_mem_fd = open("/dev/gpiomem", O_RDWR | O_SYNC); + if (dev_mem_fd < 0) { + LOG_DEBUG("Cannot open /dev/gpiomem, fallback to /dev/mem"); + dev_mem_fd = open("/dev/mem", O_RDWR | O_SYNC); + } if (dev_mem_fd < 0) { perror("open"); return ERROR_JTAG_INIT_FAILED; |