tap post reset event added. Allows omap3530 to send 100 runtest idle tickle's after a TAP_RESET.

git-svn-id: svn://svn.berlios.de/openocd/trunk@2696 b42882b7-edfa-0310-969c-e2dbd0fdcd60

5 files changed, 41 insertions, 3 deletions

diff --git a/src/flash/str9xpec.c b/src/flash/str9xpec.c
index bca3b88..33471e6 100644
--- a/src/flash/str9xpec.c
+++ b/src/flash/str9xpec.c
@@ -1254,7 +1254,8 @@ static int str9xpec_handle_flash_disable_turbo_command(struct command_context_s
 		return ERROR_FAIL;
 
 	/* exit turbo mode via RESET */
-	str9xpec_set_instr(tap, ISC_NOOP, TAP_RESET);
+	str9xpec_set_instr(tap, ISC_NOOP, TAP_IDLE);
+	jtag_add_tlr();
 	jtag_execute_queue();
 
 	/* restore previous scan chain */
diff --git a/src/jtag/core.c b/src/jtag/core.c
index e23cbaa..acd84e9 100644
--- a/src/jtag/core.c
+++ b/src/jtag/core.c
@@ -62,6 +62,7 @@ static const char *jtag_event_strings[] =
 {
 	[JTAG_TRST_ASSERTED] = "JTAG controller reset (TLR or TRST)",
 	[JTAG_TAP_EVENT_ENABLE] = "TAP enabled",
+	[JTAG_TAP_EVENT_POST_RESET] = "post reset",
 	[JTAG_TAP_EVENT_DISABLE] = "TAP disabled",
 };
 
@@ -339,6 +340,8 @@ void jtag_add_ir_scan_noverify(int in_count, const scan_field_t *in_fields,
 
 void jtag_add_ir_scan(int in_num_fields, scan_field_t *in_fields, tap_state_t state)
 {
+	assert(state != TAP_RESET);
+
 	if (jtag_verify && jtag_verify_capture_ir)
 	{
 		/* 8 x 32 bit id's is enough for all invocations */
@@ -361,6 +364,8 @@ void jtag_add_ir_scan(int in_num_fields, scan_field_t *in_fields, tap_state_t st
 void jtag_add_plain_ir_scan(int in_num_fields, const scan_field_t *in_fields,
 		tap_state_t state)
 {
+	assert(state != TAP_RESET);
+
 	jtag_prelude(state);
 
 	int retval = interface_jtag_add_plain_ir_scan(
@@ -439,6 +444,8 @@ void jtag_add_dr_scan_check(int in_num_fields, scan_field_t *in_fields, tap_stat
 void jtag_add_dr_scan(int in_num_fields, const scan_field_t *in_fields,
 		tap_state_t state)
 {
+	assert(state != TAP_RESET);
+	
 	jtag_prelude(state);
 
 	int retval;
@@ -449,6 +456,8 @@ void jtag_add_dr_scan(int in_num_fields, const scan_field_t *in_fields,
 void jtag_add_plain_dr_scan(int in_num_fields, const scan_field_t *in_fields,
 		tap_state_t state)
 {
+	assert(state != TAP_RESET);
+	
 	jtag_prelude(state);
 
 	int retval;
@@ -460,6 +469,8 @@ void jtag_add_dr_out(jtag_tap_t* tap,
 		int num_fields, const int* num_bits, const uint32_t* value,
 		tap_state_t end_state)
 {
+	assert(end_state != TAP_RESET);
+	
 	assert(end_state != TAP_INVALID);
 
 	cmd_queue_cur_state = end_state;
@@ -473,6 +484,9 @@ void jtag_add_tlr(void)
 {
 	jtag_prelude(TAP_RESET);
 	jtag_set_error(interface_jtag_add_tlr());
+
+	jtag_notify_reset();
+
 	jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
 }
 
@@ -683,6 +697,8 @@ void jtag_add_reset(int req_tlr_or_trst, int req_srst)
 			LOG_DEBUG("TRST line released");
 			if (jtag_ntrst_delay)
 				jtag_add_sleep(jtag_ntrst_delay * 1000);
+
+			jtag_notify_reset();
 		}
 	}
 }
@@ -851,7 +867,8 @@ static int jtag_examine_chain_execute(uint8_t *idcode_buffer, unsigned num_idcod
 	for (unsigned i = 0; i < JTAG_MAX_CHAIN_SIZE; i++)
 		buf_set_u32(idcode_buffer, i * 32, 32, 0x000000FF);
 
-	jtag_add_plain_dr_scan(1, &field, TAP_RESET);
+	jtag_add_plain_dr_scan(1, &field, TAP_DRPAUSE);
+	jtag_add_tlr();
 	return jtag_execute_queue();
 }
 
@@ -1065,7 +1082,9 @@ int jtag_validate_chain(void)
 	field.in_value = ir_test;
 
 
-	jtag_add_plain_ir_scan(1, &field, TAP_RESET);
+	jtag_add_plain_ir_scan(1, &field, TAP_IRPAUSE);
+	jtag_add_tlr();
+
 	int retval;
 	retval = jtag_execute_queue();
 	if (retval != ERROR_OK)
diff --git a/src/jtag/jtag.h b/src/jtag/jtag.h
index 3e3686b..b7bfd4c 100644
--- a/src/jtag/jtag.h
+++ b/src/jtag/jtag.h
@@ -208,6 +208,7 @@ enum jtag_event {
 	JTAG_TRST_ASSERTED,
 	JTAG_TAP_EVENT_ENABLE,
 	JTAG_TAP_EVENT_DISABLE,
+	JTAG_TAP_EVENT_POST_RESET,
 };
 
 struct jtag_tap_event_action_s
@@ -635,6 +636,9 @@ extern void jtag_execute_queue_noclear(void);
 /// @returns the number of times the scan queue has been flushed
 int jtag_get_flush_queue_count(void);
 
+/// Notify all TAP's about a TLR reset
+void jtag_notify_reset(void);
+
 
 /* can be implemented by hw + sw */
 extern int jtag_power_dropout(int* dropout);
diff --git a/src/jtag/tcl.c b/src/jtag/tcl.c
index f81b682..e6928a2 100644
--- a/src/jtag/tcl.c
+++ b/src/jtag/tcl.c
@@ -41,6 +41,7 @@
 #endif
 
 static const Jim_Nvp nvp_jtag_tap_event[] = {
+	{ .value = JTAG_TAP_EVENT_POST_RESET,   .name = "post-reset" },
 	{ .value = JTAG_TAP_EVENT_ENABLE,       .name = "tap-enable" },
 	{ .value = JTAG_TAP_EVENT_DISABLE,      .name = "tap-disable" },
 
@@ -583,6 +584,17 @@ static int jim_jtag_command(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
 	return JIM_ERR;
 }
 
+
+void jtag_notify_reset(void)
+{
+	jtag_tap_t *tap;
+	for (tap = jtag_all_taps(); tap; tap = tap->next_tap)
+	{
+		jtag_tap_handle_event(tap, JTAG_TAP_EVENT_POST_RESET);
+	}
+}
+
+
 int jtag_register_commands(struct command_context_s *cmd_ctx)
 {
 	register_jim(cmd_ctx, "jtag", jim_jtag_command, "perform jtag tap actions");
diff --git a/tcl/target/omap3530.cfg b/tcl/target/omap3530.cfg
index 22328a2..50a3f47 100644
--- a/tcl/target/omap3530.cfg
+++ b/tcl/target/omap3530.cfg
@@ -34,6 +34,8 @@ if { [info exists JRC_TAPID ] } {
 jtag newtap $_CHIPNAME jrc -irlen 6 -ircapture 0x1 -irmask 0x3f \
 	-expected-id $_JRC_TAPID
 
+jtag configure $_CHIPNAME.jrc -event post-reset "runtest 100"
+
 # GDB target:  Cortex-A8, using DAP
 target create omap3.cpu cortex_a8 -chain-position $_CHIPNAME.dap