diff options
| -rw-r--r-- | src/target/arm_adi_v5.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/src/target/arm_adi_v5.c b/src/target/arm_adi_v5.c index 039cf87e..883ec776 100644 --- a/src/target/arm_adi_v5.c +++ b/src/target/arm_adi_v5.c @@ -1195,9 +1195,16 @@ int ahbap_debugport_init(struct adiv5_dap *dap) return retval; } - retval = dap_queue_dp_read(dap, DP_CTRL_STAT, NULL); +// retval = dap_queue_dp_read(dap, DP_CTRL_STAT, NULL); +// if (retval != ERROR_OK) +// return retval; + + retval = dap_queue_dp_read(dap, DP_CTRL_STAT, &ctrlstat); if (retval != ERROR_OK) return retval; + if ((retval = dap_run(dap)) != ERROR_OK) + return retval; + LOG_DEBUG("pre: ctrlstat=0x%08x", ctrlstat); // We want to power on the core and debug, also reset them in case they were active. // dap->dp_ctrl_stat = CDBGPWRUPREQ | CSYSPWRUPREQ | CDBGRSTREQ; @@ -1215,29 +1222,31 @@ int ahbap_debugport_init(struct adiv5_dap *dap) // Wait for System powerup to complete. while (!(ctrlstat & CSYSPWRUPACK) && (cnt++ < 10)) { - LOG_DEBUG("DAP: wait CSYSPWRUPACK"); + LOG_DEBUG("DAP: wait CSYSPWRUPACK, cnt=%d", cnt); retval = dap_queue_dp_read(dap, DP_CTRL_STAT, &ctrlstat); if (retval != ERROR_OK) return retval; if ((retval = dap_run(dap)) != ERROR_OK) return retval; + LOG_DEBUG("ctrlstat=0x%08x", ctrlstat); } // Wait for Debug Unit powerup to complete. - while (!(ctrlstat & CDBGPWRUPACK) && (cnt++ < 20)) + while (!(ctrlstat & CDBGPWRUPACK) && (cnt++ < 10)) { - LOG_DEBUG("DAP: wait CDBGPWRUPACK"); + LOG_DEBUG("DAP: wait CDBGPWRUPACK, cnt=%d", cnt); retval = dap_queue_dp_read(dap, DP_CTRL_STAT, &ctrlstat); if (retval != ERROR_OK) return retval; if ((retval = dap_run(dap)) != ERROR_OK) return retval; + LOG_DEBUG("ctrlstat=0x%08x", ctrlstat); } /* // wait for debug unit reset to complete. while (!(ctrlstat & cdbgrstack) && (cnt++ < 30)) { - log_debug("dap: wait cdbgrstack"); + log_debug("DAP: wait CDBGRSTACK"); retval = dap_queue_dp_read(dap, dp_ctrl_stat, &ctrlstat); if (retval != error_ok) return retval; @@ -1250,7 +1259,7 @@ int ahbap_debugport_init(struct adiv5_dap *dap) // At this point CDBGPWRUPACK|CSYSPWRUPACK|CDBGRSTACK still may not be set! // We should not proceed, it may indicate target failure... if (cnt>=10) { - LOG_ERROR("CDBGPWRUPACK|CSYSPWRUPACK|CDBGRSTACK FLAGS NOT SET IN RESPONSE!"); + LOG_ERROR("CDBGPWRUPACK|CSYSPWRUPACK|CDBGRSTACK FLAGS NOT SET IN RESPONSE!, cnt=%d", cnt); return(ERROR_FAIL); } |