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adi_v5_jtag: make sure SSTICKYERR is cleared after a POR 

Don't terminate the transaction end-check early if debug power-loss
was detected, without clearing SSTICKYERR.

Change-Id: I83b6a4a20523eea42e48a15297f972a730aa21a8
Signed-off-by: Matthias Welwarsky <matthias.welwarsky@sysgo.com>
Reviewed-on: http://openocd.zylin.com/3947
Tested-by: jenkins
Reviewed-by: Paul Fertser <fercerpav@gmail.com>
This commit is contained in:
Matthias Welwarsky 2017-01-12 17:06:12 +01:00 committed by Paul Fertser
parent 52a396656a
commit 2934ac454e
1 changed files with 1 additions and 6 deletions
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5
src/target/adi_v5_jtag.c
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@ -574,8 +574,6 @@ static int jtagdp_transaction_endcheck(struct adiv5_dap *dap)
if ((ctrlstat & (CDBGPWRUPREQ | CDBGPWRUPACK | CSYSPWRUPREQ | CSYSPWRUPACK)) != if ((ctrlstat & (CDBGPWRUPREQ | CDBGPWRUPACK | CSYSPWRUPREQ | CSYSPWRUPACK)) !=
(CDBGPWRUPREQ | CDBGPWRUPACK | CSYSPWRUPREQ | CSYSPWRUPACK)) { (CDBGPWRUPREQ | CDBGPWRUPACK | CSYSPWRUPREQ | CSYSPWRUPACK)) {
LOG_ERROR("Debug regions are unpowered, an unexpected reset might have happened"); LOG_ERROR("Debug regions are unpowered, an unexpected reset might have happened");
retval = ERROR_JTAG_DEVICE_ERROR;
goto done;
} }
if (ctrlstat & SSTICKYERR) if (ctrlstat & SSTICKYERR)
@ -590,10 +588,7 @@ static int jtagdp_transaction_endcheck(struct adiv5_dap *dap)
if (retval != ERROR_OK) if (retval != ERROR_OK)
goto done; goto done;
if (ctrlstat & SSTICKYERR) {
retval = ERROR_JTAG_DEVICE_ERROR; retval = ERROR_JTAG_DEVICE_ERROR;
goto done;
}
} }
done: done: