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cortex_a: fix cortex_a_assert_reset() if srst_gates_jtag 

The cortex_a specific assert_reset function must only apply nSRST if
the reset configuration states that JTAG can be used while nSRST is
asserted.

Change-Id: If604a65fdea5bcb46ec723ada547a4e8d6fa8c59
Signed-off-by: Matthias Welwarsky <matthias.welwarsky@sysgo.com>
Reviewed-on: http://openocd.zylin.com/3356
Tested-by: jenkins
Reviewed-by: Freddie Chopin <freddie.chopin@gmail.com>
This commit is contained in:
Matthias Welwarsky 2016-02-09 14:49:20 +01:00 committed by Freddie Chopin
parent 271e8f26f2
commit b0698501b0
1 changed files with 3 additions and 1 deletions
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4
src/target/cortex_a.c
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@ -1912,7 +1912,9 @@ static int cortex_a_assert_reset(struct target *target)
/* REVISIT handle "pulls" cases, if there's
* hardware that needs them to work.
*/
jtag_add_reset(0, 1);
if (target->reset_halt)
if (jtag_get_reset_config() & RESET_SRST_NO_GATING)
jtag_add_reset(0, 1);
} else {
LOG_ERROR("%s: how to reset?", target_name(target));
return ERROR_FAIL;