diff options
Diffstat (limited to 'src/target')
| -rw-r--r-- | src/target/cortex_m.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/target/cortex_m.c b/src/target/cortex_m.c index 09a51b7b..f992bde4 100644 --- a/src/target/cortex_m.c +++ b/src/target/cortex_m.c @@ -952,6 +952,16 @@ static int cortex_m3_assert_reset(struct target *target) return ERROR_OK; } + /* some cores support connecting while srst is asserted + * use that mode is it has been configured */ + + bool srst_asserted = false; + + if (jtag_reset_config & RESET_SRST_NO_GATING) { + adapter_assert_reset(); + srst_asserted = true; + } + /* Enable debug requests */ int retval; retval = mem_ap_read_atomic_u32(swjdp, DCB_DHCSR, &cortex_m3->dcb_dhcsr); @@ -996,7 +1006,8 @@ static int cortex_m3_assert_reset(struct target *target) if (jtag_reset_config & RESET_HAS_SRST) { /* default to asserting srst */ - adapter_assert_reset(); + if (!srst_asserted) + adapter_assert_reset(); } else { /* Use a standard Cortex-M3 software reset mechanism. * We default to using VECRESET as it is supported on all current cores. |