diff options
| -rw-r--r-- | src/jtag/drivers/ftdi.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/jtag/drivers/ftdi.c b/src/jtag/drivers/ftdi.c index 46797d7d..a8d396c0 100644 --- a/src/jtag/drivers/ftdi.c +++ b/src/jtag/drivers/ftdi.c @@ -247,6 +247,11 @@ static int ftdi_speed_div(int speed, int *khz) static int ftdi_khz(int khz, int *jtag_speed) { + if (khz == 0 && !mpsse_is_high_speed(mpsse_ctx)) { + LOG_DEBUG("RCLK not supported"); + return ERROR_FAIL; + } + *jtag_speed = khz * 1000; return ERROR_OK; } |