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adiv5_swdp: Implemented clock tristating for adiv5_swdp_scan

This commit is contained in:
dragonmux 2022-08-09 04:38:57 +01:00 committed by Piotr Esden-Tempski
parent c847007008
commit 6b5c492bc7
2 changed files with 2 additions and 0 deletions
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1
src/command.c
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@ -266,6 +266,7 @@ bool cmd_swdp_scan(target *t, int argc, const char **argv)
} }
if (devs == 0) { if (devs == 0) {
platform_target_clk_output_enable(false);
platform_nrst_set_val(false); platform_nrst_set_val(false);
gdb_out("SW-DP scan failed!\n"); gdb_out("SW-DP scan failed!\n");
return false; return false;

1
src/target/adiv5_swdp.c
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@ -89,6 +89,7 @@ uint32_t adiv5_swdp_scan(uint32_t targetid)
if (swdptap_init(initial_dp)) if (swdptap_init(initial_dp))
return 0; return 0;
platform_target_clk_output_enable(true);
/* DORMANT-> SWD sequence*/ /* DORMANT-> SWD sequence*/
initial_dp->seq_out(0xFFFFFFFF, 32); initial_dp->seq_out(0xFFFFFFFF, 32);
initial_dp->seq_out(0xFFFFFFFF, 32); initial_dp->seq_out(0xFFFFFFFF, 32);