summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/target/cortex_a8.c33
1 files changed, 28 insertions, 5 deletions
diff --git a/src/target/cortex_a8.c b/src/target/cortex_a8.c
index b85481a9..8402081d 100644
--- a/src/target/cortex_a8.c
+++ b/src/target/cortex_a8.c
@@ -1246,6 +1246,21 @@ static int cortex_a8_assert_reset(struct target *target)
LOG_DEBUG(" ");
+ /* FIXME when halt is requested, make it work somehow... */
+
+ /* Issue some kind of warm reset. */
+ if (target_has_event_action(target, TARGET_EVENT_RESET_ASSERT)) {
+ target_handle_event(target, TARGET_EVENT_RESET_ASSERT);
+ } else if (jtag_get_reset_config() & RESET_HAS_SRST) {
+ /* REVISIT handle "pulls" cases, if there's
+ * hardware that needs them to work.
+ */
+ jtag_add_reset(0, 1);
+ } else {
+ LOG_ERROR("%s: how to reset?", target_name(target));
+ return ERROR_FAIL;
+ }
+
/* registers are now invalid */
register_cache_invalidate(armv7a->armv4_5_common.core_cache);
@@ -1256,14 +1271,22 @@ static int cortex_a8_assert_reset(struct target *target)
static int cortex_a8_deassert_reset(struct target *target)
{
+ int retval;
LOG_DEBUG(" ");
- if (target->reset_halt)
- {
- int retval;
- if ((retval = target_halt(target)) != ERROR_OK)
- return retval;
+ /* be certain SRST is off */
+ jtag_add_reset(0, 0);
+
+ retval = cortex_a8_poll(target);
+
+ if (target->reset_halt) {
+ if (target->state != TARGET_HALTED) {
+ LOG_WARNING("%s: ran after reset and before halt ...",
+ target_name(target));
+ if ((retval = target_halt(target)) != ERROR_OK)
+ return retval;
+ }
}
return ERROR_OK;