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| author | Trygve Laugstøl <trygvis@inamo.no> | 2012-02-22 09:26:24 +0100 |
|---|---|---|
| committer | Trygve Laugstøl <trygvis@inamo.no> | 2012-02-22 09:26:24 +0100 |
| commit | 0e948cb87958d9c35e8232c898ae0ae9e9e1b2d5 (patch) | |
| tree | 552e82075c2eda603d85e567eef6f753691e6453 | |
| parent | 2dcf57363a5c1c55940e5701e5ec047c37c54560 (diff) | |
| download | openocd+libswd-master.tar.gz openocd+libswd-master.tar.bz2 openocd+libswd-master.tar.xz openocd+libswd-master.zip | |
| -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); } |