#include "string.h"
#include <unistd.h>
+
+/* note that this is not marked as static as it must be available from outside jtag.c for those
+ that implement the jtag_xxx() minidriver layer
+*/
+int jtag_error=ERROR_OK;
+
+
char* tap_state_strings[16] =
{
"tlr",
char* jtag_event_strings[] =
{
- "SRST asserted",
- "TRST asserted",
- "SRST released",
- "TRST released"
+ "JTAG controller reset(tms or TRST)"
};
enum tap_state end_state = TAP_TLR;
/* jtag interfaces (parport, FTDI-USB, TI-USB, ...)
*/
+
+#if BUILD_ECOSBOARD == 1
+ extern jtag_interface_t eCosBoard_interface;
+#endif
+
#if BUILD_PARPORT == 1
extern jtag_interface_t parport_interface;
#endif
#endif
jtag_interface_t *jtag_interfaces[] = {
+#if BUILD_ECOSBOARD == 1
+ &eCosBoard_interface,
+#endif
#if BUILD_PARPORT == 1
&parport_interface,
#endif
/* configuration */
jtag_interface_t *jtag_interface = NULL;
int jtag_speed = 0;
+int jtag_speed_post_reset = 0;
/* forward declarations */
-int jtag_add_statemove(enum tap_state endstate);
-int jtag_add_pathmove(int num_states, enum tap_state *path);
-int jtag_add_runtest(int num_cycles, enum tap_state endstate);
+void jtag_add_statemove(enum tap_state endstate);
+void jtag_add_pathmove(int num_states, enum tap_state *path);
+void jtag_add_runtest(int num_cycles, enum tap_state endstate);
int jtag_add_reset(int trst, int srst);
-int jtag_add_end_state(enum tap_state endstate);
-int jtag_add_sleep(u32 us);
+void jtag_add_end_state(enum tap_state endstate);
+void jtag_add_sleep(u32 us);
int jtag_execute_queue(void);
int jtag_cancel_queue(void);
/* jtag commands */
int handle_interface_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
int handle_jtag_speed_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_jtag_khz_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
int handle_jtag_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
int handle_reset_config_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
int handle_jtag_nsrst_delay_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
{
jtag_event_callback_t *callback = jtag_event_callbacks;
- DEBUG("jtag event: %s", jtag_event_strings[event]);
+ LOG_DEBUG("jtag event: %s", jtag_event_strings[event]);
while (callback)
{
i++;
}
- ERROR("jtag device number %d not defined", num);
+ LOG_ERROR("jtag device number %d not defined", num);
exit(-1);
}
cmd_queue_pages = NULL;
}
-int jtag_add_ir_scan(int num_fields, scan_field_t *fields, enum tap_state state)
+static void jtag_prelude1()
{
+ if (jtag_trst == 1)
+ {
+ LOG_WARNING("JTAG command queued, while TRST is low (TAP in reset)");
+ jtag_error=ERROR_JTAG_TRST_ASSERTED;
+ return;
+ }
+
+ if (cmd_queue_end_state == TAP_TLR)
+ jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
+}
+
+static void jtag_prelude(enum tap_state state)
+{
+ jtag_prelude1();
+
+ if (state != -1)
+ cmd_queue_end_state = state;
+
+ cmd_queue_cur_state = cmd_queue_end_state;
+}
+
+void jtag_add_ir_scan(int num_fields, scan_field_t *fields, enum tap_state state)
+{
+ jtag_prelude(state);
+
+ int retval=interface_jtag_add_ir_scan(num_fields, fields, cmd_queue_end_state);
+ if (retval!=ERROR_OK)
+ jtag_error=retval;
+}
+
+int MINIDRIVER(interface_jtag_add_ir_scan)(int num_fields, scan_field_t *fields, enum tap_state state)
+{
jtag_command_t **last_cmd;
jtag_device_t *device;
int i, j;
int scan_size = 0;
- if (jtag_trst == 1)
- {
- WARNING("JTAG command queued, while TRST is low (TAP in reset)");
- return ERROR_JTAG_TRST_ASSERTED;
- }
last_cmd = jtag_get_last_command_p();
(*last_cmd)->cmd.scan->num_fields = jtag_num_devices; /* one field per device */
(*last_cmd)->cmd.scan->fields = cmd_queue_alloc(jtag_num_devices * sizeof(scan_field_t));
(*last_cmd)->cmd.scan->end_state = state;
-
- if (state != -1)
- cmd_queue_end_state = state;
- if (cmd_queue_cur_state == TAP_TLR && cmd_queue_end_state != TAP_TLR)
- jtag_call_event_callbacks(JTAG_TRST_RELEASED);
-
- if (cmd_queue_end_state == TAP_TLR)
- jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
-
- cmd_queue_cur_state = cmd_queue_end_state;
-
for (i = 0; i < jtag_num_devices; i++)
{
int found = 0;
(*last_cmd)->cmd.scan->fields[i].out_value = buf_set_ones(cmd_queue_alloc(CEIL(scan_size, 8)), scan_size);
(*last_cmd)->cmd.scan->fields[i].out_mask = NULL;
device->bypass = 1;
-
+
}
/* update device information */
return ERROR_OK;
}
-int jtag_add_plain_ir_scan(int num_fields, scan_field_t *fields, enum tap_state state)
+void jtag_add_plain_ir_scan(int num_fields, scan_field_t *fields, enum tap_state state)
{
- jtag_command_t **last_cmd;
- int i;
-
- if (jtag_trst == 1)
- {
- WARNING("JTAG command queued, while TRST is low (TAP in reset)");
- return ERROR_JTAG_TRST_ASSERTED;
- }
+ jtag_prelude(state);
+
+ int retval=interface_jtag_add_plain_ir_scan(num_fields, fields, cmd_queue_end_state);
+ if (retval!=ERROR_OK)
+ jtag_error=retval;
+}
+int MINIDRIVER(interface_jtag_add_plain_ir_scan)(int num_fields, scan_field_t *fields, enum tap_state state)
+{
+ int i;
+ jtag_command_t **last_cmd;
+
last_cmd = jtag_get_last_command_p();
/* allocate memory for a new list member */
(*last_cmd)->cmd.scan->fields = cmd_queue_alloc(num_fields * sizeof(scan_field_t));
(*last_cmd)->cmd.scan->end_state = state;
- if (state != -1)
- cmd_queue_end_state = state;
-
- if (cmd_queue_cur_state == TAP_TLR && cmd_queue_end_state != TAP_TLR)
- jtag_call_event_callbacks(JTAG_TRST_RELEASED);
-
- if (cmd_queue_end_state == TAP_TLR)
- jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
-
- cmd_queue_cur_state = cmd_queue_end_state;
-
for (i = 0; i < num_fields; i++)
{
int num_bits = fields[i].num_bits;
return ERROR_OK;
}
-int jtag_add_dr_scan(int num_fields, scan_field_t *fields, enum tap_state state)
+void jtag_add_dr_scan(int num_fields, scan_field_t *fields, enum tap_state state)
+{
+ jtag_prelude(state);
+
+ int retval=interface_jtag_add_dr_scan(num_fields, fields, cmd_queue_end_state);
+ if (retval!=ERROR_OK)
+ jtag_error=retval;
+}
+
+int MINIDRIVER(interface_jtag_add_dr_scan)(int num_fields, scan_field_t *fields, enum tap_state state)
{
int i, j;
int bypass_devices = 0;
int field_count = 0;
- jtag_command_t **last_cmd = jtag_get_last_command_p();
- jtag_device_t *device = jtag_devices;
int scan_size;
- if (jtag_trst == 1)
- {
- WARNING("JTAG command queued, while TRST is low (TAP in reset)");
- return ERROR_JTAG_TRST_ASSERTED;
- }
+ jtag_command_t **last_cmd = jtag_get_last_command_p();
+ jtag_device_t *device = jtag_devices;
/* count devices in bypass */
while (device)
(*last_cmd)->cmd.scan->fields = cmd_queue_alloc((num_fields + bypass_devices) * sizeof(scan_field_t));
(*last_cmd)->cmd.scan->end_state = state;
- if (state != -1)
- cmd_queue_end_state = state;
-
- if (cmd_queue_cur_state == TAP_TLR && cmd_queue_end_state != TAP_TLR)
- jtag_call_event_callbacks(JTAG_TRST_RELEASED);
-
- if (cmd_queue_end_state == TAP_TLR)
- jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
-
- cmd_queue_cur_state = cmd_queue_end_state;
-
for (i = 0; i < jtag_num_devices; i++)
{
int found = 0;
}
if (!found)
{
+#ifdef _DEBUG_JTAG_IO_
/* if a device isn't listed, the BYPASS register should be selected */
if (!jtag_get_device(i)->bypass)
{
- ERROR("BUG: no scan data for a device not in BYPASS");
+ LOG_ERROR("BUG: no scan data for a device not in BYPASS");
exit(-1);
}
-
+#endif
/* program the scan field to 1 bit length, and ignore it's value */
(*last_cmd)->cmd.scan->fields[field_count].num_bits = 1;
(*last_cmd)->cmd.scan->fields[field_count].out_value = NULL;
}
else
{
+#ifdef _DEBUG_JTAG_IO_
/* if a device is listed, the BYPASS register must not be selected */
if (jtag_get_device(i)->bypass)
{
- WARNING("scan data for a device in BYPASS");
+ LOG_ERROR("BUG: scan data for a device in BYPASS");
+ exit(-1);
}
+#endif
}
}
return ERROR_OK;
}
-
-int jtag_add_plain_dr_scan(int num_fields, scan_field_t *fields, enum tap_state state)
+void MINIDRIVER(interface_jtag_add_dr_out)(int device_num,
+ int num_fields,
+ int *num_bits,
+ u32 *value,
+ enum tap_state end_state)
{
int i;
+ int field_count = 0;
+ int scan_size;
+ int bypass_devices = 0;
+
jtag_command_t **last_cmd = jtag_get_last_command_p();
+ jtag_device_t *device = jtag_devices;
+ /* count devices in bypass */
+ while (device)
+ {
+ if (device->bypass)
+ bypass_devices++;
+ device = device->next;
+ }
- if (jtag_trst == 1)
+ /* allocate memory for a new list member */
+ *last_cmd = cmd_queue_alloc(sizeof(jtag_command_t));
+ last_comand_pointer = &((*last_cmd)->next);
+ (*last_cmd)->next = NULL;
+ (*last_cmd)->type = JTAG_SCAN;
+
+ /* allocate memory for dr scan command */
+ (*last_cmd)->cmd.scan = cmd_queue_alloc(sizeof(scan_command_t));
+ (*last_cmd)->cmd.scan->ir_scan = 0;
+ (*last_cmd)->cmd.scan->num_fields = num_fields + bypass_devices;
+ (*last_cmd)->cmd.scan->fields = cmd_queue_alloc((num_fields + bypass_devices) * sizeof(scan_field_t));
+ (*last_cmd)->cmd.scan->end_state = end_state;
+
+ for (i = 0; i < jtag_num_devices; i++)
{
- WARNING("JTAG command queued, while TRST is low (TAP in reset)");
- return ERROR_JTAG_TRST_ASSERTED;
+ (*last_cmd)->cmd.scan->fields[field_count].device = i;
+
+ if (i == device_num)
+ {
+ int j;
+#ifdef _DEBUG_JTAG_IO_
+ /* if a device is listed, the BYPASS register must not be selected */
+ if (jtag_get_device(i)->bypass)
+ {
+ LOG_ERROR("BUG: scan data for a device in BYPASS");
+ exit(-1);
+ }
+#endif
+ for (j = 0; j < num_fields; j++)
+ {
+ u8 out_value[4];
+ scan_size = num_bits[j];
+ buf_set_u32(out_value, 0, scan_size, value[j]);
+ (*last_cmd)->cmd.scan->fields[field_count].num_bits = scan_size;
+ (*last_cmd)->cmd.scan->fields[field_count].out_value = buf_cpy(out_value, cmd_queue_alloc(CEIL(scan_size, 8)), scan_size);
+ (*last_cmd)->cmd.scan->fields[field_count].out_mask = NULL;
+ (*last_cmd)->cmd.scan->fields[field_count].in_value = NULL;
+ (*last_cmd)->cmd.scan->fields[field_count].in_check_value = NULL;
+ (*last_cmd)->cmd.scan->fields[field_count].in_check_mask = NULL;
+ (*last_cmd)->cmd.scan->fields[field_count].in_handler = NULL;
+ (*last_cmd)->cmd.scan->fields[field_count++].in_handler_priv = NULL;
+ }
+ } else
+ {
+#ifdef _DEBUG_JTAG_IO_
+ /* if a device isn't listed, the BYPASS register should be selected */
+ if (!jtag_get_device(i)->bypass)
+ {
+ LOG_ERROR("BUG: no scan data for a device not in BYPASS");
+ exit(-1);
+ }
+#endif
+ /* program the scan field to 1 bit length, and ignore it's value */
+ (*last_cmd)->cmd.scan->fields[field_count].num_bits = 1;
+ (*last_cmd)->cmd.scan->fields[field_count].out_value = NULL;
+ (*last_cmd)->cmd.scan->fields[field_count].out_mask = NULL;
+ (*last_cmd)->cmd.scan->fields[field_count].in_value = NULL;
+ (*last_cmd)->cmd.scan->fields[field_count].in_check_value = NULL;
+ (*last_cmd)->cmd.scan->fields[field_count].in_check_mask = NULL;
+ (*last_cmd)->cmd.scan->fields[field_count].in_handler = NULL;
+ (*last_cmd)->cmd.scan->fields[field_count++].in_handler_priv = NULL;
+ }
}
+}
+
+
+
+void jtag_add_plain_dr_scan(int num_fields, scan_field_t *fields, enum tap_state state)
+{
+ jtag_prelude(state);
+
+ int retval=interface_jtag_add_plain_dr_scan(num_fields, fields, cmd_queue_end_state);
+ if (retval!=ERROR_OK)
+ jtag_error=retval;
+}
+
+int MINIDRIVER(interface_jtag_add_plain_dr_scan)(int num_fields, scan_field_t *fields, enum tap_state state)
+{
+ int i;
+ jtag_command_t **last_cmd = jtag_get_last_command_p();
+
/* allocate memory for a new list member */
*last_cmd = cmd_queue_alloc(sizeof(jtag_command_t));
last_comand_pointer = &((*last_cmd)->next);
(*last_cmd)->cmd.scan->num_fields = num_fields;
(*last_cmd)->cmd.scan->fields = cmd_queue_alloc(num_fields * sizeof(scan_field_t));
(*last_cmd)->cmd.scan->end_state = state;
-
- if (state != -1)
- cmd_queue_end_state = state;
-
- if (cmd_queue_cur_state == TAP_TLR && cmd_queue_end_state != TAP_TLR)
- jtag_call_event_callbacks(JTAG_TRST_RELEASED);
-
- if (cmd_queue_end_state == TAP_TLR)
- jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
-
- cmd_queue_cur_state = cmd_queue_end_state;
for (i = 0; i < num_fields; i++)
{
return ERROR_OK;
}
-int jtag_add_statemove(enum tap_state state)
+void jtag_add_statemove(enum tap_state state)
+{
+ jtag_prelude(state);
+
+ int retval;
+ retval=interface_jtag_add_statemove(cmd_queue_end_state);
+ if (retval!=ERROR_OK)
+ jtag_error=retval;
+}
+
+int MINIDRIVER(interface_jtag_add_statemove)(enum tap_state state)
{
jtag_command_t **last_cmd = jtag_get_last_command_p();
- if (jtag_trst == 1)
- {
- WARNING("JTAG command queued, while TRST is low (TAP in reset)");
- return ERROR_JTAG_TRST_ASSERTED;
- }
-
/* allocate memory for a new list member */
*last_cmd = cmd_queue_alloc(sizeof(jtag_command_t));
last_comand_pointer = &((*last_cmd)->next);
(*last_cmd)->cmd.statemove = cmd_queue_alloc(sizeof(statemove_command_t));
(*last_cmd)->cmd.statemove->end_state = state;
- if (state != -1)
- cmd_queue_end_state = state;
-
- if (cmd_queue_cur_state == TAP_TLR && cmd_queue_end_state != TAP_TLR)
- jtag_call_event_callbacks(JTAG_TRST_RELEASED);
-
- if (cmd_queue_end_state == TAP_TLR)
- jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
-
- cmd_queue_cur_state = cmd_queue_end_state;
return ERROR_OK;
}
-int jtag_add_pathmove(int num_states, enum tap_state *path)
+void jtag_add_pathmove(int num_states, enum tap_state *path)
{
- jtag_command_t **last_cmd = jtag_get_last_command_p();
- int i;
-
- if (jtag_trst == 1)
- {
- WARNING("JTAG command queued, while TRST is low (TAP in reset)");
- return ERROR_JTAG_TRST_ASSERTED;
- }
-
/* the last state has to be a stable state */
if (tap_move_map[path[num_states - 1]] == -1)
{
- ERROR("TAP path doesn't finish in a stable state");
- return ERROR_JTAG_NOT_IMPLEMENTED;
+ LOG_ERROR("BUG: TAP path doesn't finish in a stable state");
+ exit(-1);
+ }
+
+ enum tap_state cur_state=cmd_queue_cur_state;
+ int i;
+ for (i=0; i<num_states; i++)
+ {
+ if ((tap_transitions[cur_state].low != path[i])&&
+ (tap_transitions[cur_state].high != path[i]))
+ {
+ LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", tap_state_strings[cur_state], tap_state_strings[path[i]]);
+ exit(-1);
+ }
+ cur_state = path[i];
}
+ jtag_prelude1();
+
+ cmd_queue_cur_state = path[num_states - 1];
+
+ int retval=interface_jtag_add_pathmove(num_states, path);
+ if (retval!=ERROR_OK)
+ jtag_error=retval;
+}
+
+
+int MINIDRIVER(interface_jtag_add_pathmove)(int num_states, enum tap_state *path)
+{
+ jtag_command_t **last_cmd = jtag_get_last_command_p();
+ int i;
+
/* allocate memory for a new list member */
*last_cmd = cmd_queue_alloc(sizeof(jtag_command_t));
last_comand_pointer = &((*last_cmd)->next);
for (i = 0; i < num_states; i++)
(*last_cmd)->cmd.pathmove->path[i] = path[i];
-
- if (cmd_queue_cur_state == TAP_TLR && cmd_queue_end_state != TAP_TLR)
- jtag_call_event_callbacks(JTAG_TRST_RELEASED);
-
- if (cmd_queue_end_state == TAP_TLR)
- jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
-
- cmd_queue_cur_state = path[num_states - 1];
return ERROR_OK;
}
-int jtag_add_runtest(int num_cycles, enum tap_state state)
+int MINIDRIVER(interface_jtag_add_runtest)(int num_cycles, enum tap_state state)
{
jtag_command_t **last_cmd = jtag_get_last_command_p();
- if (jtag_trst == 1)
- {
- WARNING("JTAG command queued, while TRST is low (TAP in reset)");
- return ERROR_JTAG_TRST_ASSERTED;
- }
-
/* allocate memory for a new list member */
*last_cmd = cmd_queue_alloc(sizeof(jtag_command_t));
(*last_cmd)->next = NULL;
(*last_cmd)->cmd.runtest->num_cycles = num_cycles;
(*last_cmd)->cmd.runtest->end_state = state;
- if (state != -1)
- cmd_queue_end_state = state;
+ return ERROR_OK;
+}
- if (cmd_queue_cur_state == TAP_TLR && cmd_queue_end_state != TAP_TLR)
- jtag_call_event_callbacks(JTAG_TRST_RELEASED);
-
- if (cmd_queue_end_state == TAP_TLR)
- jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
-
- cmd_queue_cur_state = cmd_queue_end_state;
+void jtag_add_runtest(int num_cycles, enum tap_state state)
+{
+ jtag_prelude(state);
- return ERROR_OK;
+ /* executed by sw or hw fifo */
+ int retval=interface_jtag_add_runtest(num_cycles, cmd_queue_end_state);
+ if (retval!=ERROR_OK)
+ jtag_error=retval;
}
int jtag_add_reset(int req_trst, int req_srst)
{
int trst_with_tms = 0;
-
- jtag_command_t **last_cmd = jtag_get_last_command_p();
+ int retval;
if (req_trst == -1)
req_trst = jtag_trst;
/* Make sure that jtag_reset_config allows the requested reset */
/* if SRST pulls TRST, we can't fulfill srst == 1 with trst == 0 */
if (((jtag_reset_config & RESET_SRST_PULLS_TRST) && (req_srst == 1)) && (req_trst == 0))
+ {
+ LOG_WARNING("requested reset would assert trst");
return ERROR_JTAG_RESET_WOULD_ASSERT_TRST;
+ }
/* if TRST pulls SRST, we reset with TAP T-L-R */
if (((jtag_reset_config & RESET_TRST_PULLS_SRST) && (req_trst == 1)) && (req_srst == 0))
if (req_srst && !(jtag_reset_config & RESET_HAS_SRST))
{
- ERROR("requested nSRST assertion, but the current configuration doesn't support this");
+ LOG_WARNING("requested nSRST assertion, but the current configuration doesn't support this");
return ERROR_JTAG_RESET_CANT_SRST;
}
req_trst = 0;
trst_with_tms = 1;
}
-
- /* allocate memory for a new list member */
- *last_cmd = cmd_queue_alloc(sizeof(jtag_command_t));
- (*last_cmd)->next = NULL;
- last_comand_pointer = &((*last_cmd)->next);
- (*last_cmd)->type = JTAG_RESET;
-
- (*last_cmd)->cmd.reset = cmd_queue_alloc(sizeof(reset_command_t));
- (*last_cmd)->cmd.reset->trst = req_trst;
- (*last_cmd)->cmd.reset->srst = req_srst;
jtag_trst = req_trst;
jtag_srst = req_srst;
+ retval = interface_jtag_add_reset(req_trst, req_srst);
+ if (retval!=ERROR_OK)
+ {
+ jtag_error=retval;
+ return retval;
+ }
+
if (jtag_srst)
{
- jtag_call_event_callbacks(JTAG_SRST_ASSERTED);
+ LOG_DEBUG("SRST line asserted");
}
else
{
- jtag_call_event_callbacks(JTAG_SRST_RELEASED);
+ LOG_DEBUG("SRST line released");
if (jtag_nsrst_delay)
jtag_add_sleep(jtag_nsrst_delay * 1000);
}
if (trst_with_tms)
{
- last_cmd = &((*last_cmd)->next);
-
- /* allocate memory for a new list member */
- *last_cmd = cmd_queue_alloc(sizeof(jtag_command_t));
- (*last_cmd)->next = NULL;
- last_comand_pointer = &((*last_cmd)->next);
- (*last_cmd)->type = JTAG_STATEMOVE;
-
- (*last_cmd)->cmd.statemove = cmd_queue_alloc(sizeof(statemove_command_t));
- (*last_cmd)->cmd.statemove->end_state = TAP_TLR;
-
+ LOG_DEBUG("JTAG reset with tms instead of TRST");
+ jtag_add_end_state(TAP_TLR);
+ jtag_add_statemove(TAP_TLR);
jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
- cmd_queue_cur_state = TAP_TLR;
- cmd_queue_end_state = TAP_TLR;
-
return ERROR_OK;
}
+
+ if (jtag_trst)
+ {
+ /* we just asserted nTRST, so we're now in Test-Logic-Reset,
+ * and inform possible listeners about this
+ */
+ LOG_DEBUG("TRST line asserted");
+ cmd_queue_cur_state = TAP_TLR;
+ jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
+ }
else
{
- if (jtag_trst)
- {
- /* we just asserted nTRST, so we're now in Test-Logic-Reset,
- * and inform possible listeners about this
- */
- cmd_queue_cur_state = TAP_TLR;
- jtag_call_event_callbacks(JTAG_TRST_ASSERTED);
- }
- else
- {
- /* the nTRST line got deasserted, so we're still in Test-Logic-Reset,
- * but we might want to add a delay to give the TAP time to settle
- */
- if (jtag_ntrst_delay)
- jtag_add_sleep(jtag_ntrst_delay * 1000);
- }
+ /* the nTRST line got deasserted, so we're still in Test-Logic-Reset,
+ * but we might want to add a delay to give the TAP time to settle
+ */
+ LOG_DEBUG("Now in TAP_TLR - Test-Logic-Reset(either due to TRST line asserted or tms reset)");
+ if (jtag_ntrst_delay)
+ jtag_add_sleep(jtag_ntrst_delay * 1000);
}
-
return ERROR_OK;
}
-int jtag_add_end_state(enum tap_state state)
+int MINIDRIVER(interface_jtag_add_reset)(int req_trst, int req_srst)
{
jtag_command_t **last_cmd = jtag_get_last_command_p();
-
+
/* allocate memory for a new list member */
*last_cmd = cmd_queue_alloc(sizeof(jtag_command_t));
(*last_cmd)->next = NULL;
last_comand_pointer = &((*last_cmd)->next);
- (*last_cmd)->type = JTAG_END_STATE;
+ (*last_cmd)->type = JTAG_RESET;
- (*last_cmd)->cmd.end_state = cmd_queue_alloc(sizeof(end_state_command_t));
- (*last_cmd)->cmd.end_state->end_state = state;
+ (*last_cmd)->cmd.reset = cmd_queue_alloc(sizeof(reset_command_t));
+ (*last_cmd)->cmd.reset->trst = req_trst;
+ (*last_cmd)->cmd.reset->srst = req_srst;
- if (state != -1)
- cmd_queue_end_state = state;
return ERROR_OK;
}
-int jtag_add_sleep(u32 us)
+void jtag_add_end_state(enum tap_state state)
+{
+ cmd_queue_end_state = state;
+}
+
+int MINIDRIVER(interface_jtag_add_sleep)(u32 us)
{
jtag_command_t **last_cmd = jtag_get_last_command_p();
return ERROR_OK;
}
+void jtag_add_sleep(u32 us)
+{
+ int retval=interface_jtag_add_sleep(us);
+ if (retval!=ERROR_OK)
+ jtag_error=retval;
+ return;
+}
+
int jtag_scan_size(scan_command_t *cmd)
{
int bit_count = 0;
#endif
buf_set_buf(cmd->fields[i].out_value, 0, *buffer, bit_count, cmd->fields[i].num_bits);
#ifdef _DEBUG_JTAG_IO_
- DEBUG("fields[%i].out_value: 0x%s", i, char_buf);
+ LOG_DEBUG("fields[%i].out_value: 0x%s", i, char_buf);
free(char_buf);
#endif
}
char *char_buf;
char_buf = buf_to_str(captured, (num_bits > 64) ? 64 : num_bits, 16);
- DEBUG("fields[%i].in_value: 0x%s", i, char_buf);
+ LOG_DEBUG("fields[%i].in_value: 0x%s", i, char_buf);
free(char_buf);
#endif
{
if (cmd->fields[i].in_handler(cmd->fields[i].in_value, cmd->fields[i].in_handler_priv, cmd->fields+i) != ERROR_OK)
{
- WARNING("in_handler reported a failed check");
+ LOG_WARNING("in_handler reported a failed check");
retval = ERROR_JTAG_QUEUE_FAILED;
}
}
/* We're going to call the error:handler later, but if the in_handler
* reported an error we report this failure upstream
*/
- WARNING("in_handler reported a failed check");
+ LOG_WARNING("in_handler reported a failed check");
retval = ERROR_JTAG_QUEUE_FAILED;
}
}
{
char *in_check_mask_char;
in_check_mask_char = buf_to_str(field->in_check_mask, (num_bits > 64) ? 64 : num_bits, 16);
- WARNING("value captured during scan didn't pass the requested check: captured: 0x%s check_value: 0x%s check_mask: 0x%s", captured_char, in_check_value_char, in_check_mask_char);
+ LOG_WARNING("value captured during scan didn't pass the requested check: captured: 0x%s check_value: 0x%s check_mask: 0x%s", captured_char, in_check_value_char, in_check_mask_char);
free(in_check_mask_char);
}
else
{
- WARNING("value captured during scan didn't pass the requested check: captured: 0x%s check_value: 0x%s", captured_char, in_check_value_char);
+ LOG_WARNING("value captured during scan didn't pass the requested check: captured: 0x%s check_value: 0x%s", captured_char, in_check_value_char);
}
free(captured_char);
return type;
}
-int jtag_execute_queue(void)
+int MINIDRIVER(interface_jtag_execute_queue)(void)
{
int retval;
return retval;
}
+int jtag_execute_queue(void)
+{
+ int retval=interface_jtag_execute_queue();
+ if (retval==ERROR_OK)
+ {
+ retval=jtag_error;
+ }
+ jtag_error=ERROR_OK;
+ return retval;
+}
+
int jtag_reset_callback(enum jtag_event event, void *priv)
{
jtag_device_t *device = priv;
- DEBUG("-");
+ LOG_DEBUG("-");
if (event == JTAG_TRST_ASSERTED)
{
/* if there wasn't a single non-zero bit or if all bits were one, the scan isn't valid */
if ((zero_check == 0x00) || (one_check == 0xff))
{
- ERROR("JTAG communication failure, check connection, JTAG interface, target power etc.");
+ LOG_ERROR("JTAG communication failure, check connection, JTAG interface, target power etc.");
return ERROR_JTAG_INIT_FAILED;
}
part = (idcode & 0xffff000) >> 12;
version = (idcode & 0xf0000000) >> 28;
- INFO("JTAG device found: 0x%8.8x (Manufacturer: 0x%3.3x, Part: 0x%4.4x, Version: 0x%1.1x)",
+ LOG_INFO("JTAG device found: 0x%8.8x (Manufacturer: 0x%3.3x, Part: 0x%4.4x, Version: 0x%1.1x)",
idcode, manufacturer, part, version);
bit_count += 32;
/* see if number of discovered devices matches configuration */
if (device_count != jtag_num_devices)
{
- ERROR("number of discovered devices in JTAG chain (%i) doesn't match configuration (%i)",
- device_count, jtag_num_devices);
- ERROR("check the config file and ensure proper JTAG communication (connections, speed, ...)");
+ LOG_ERROR("number of discovered devices in JTAG chain (%i) doesn't match configuration (%i)",
+ device_count, jtag_num_devices);
+ LOG_ERROR("check the config file and ensure proper JTAG communication (connections, speed, ...)");
return ERROR_JTAG_INIT_FAILED;
}
if (buf_get_u32(ir_test, chain_pos, 2) != 0x1)
{
char *cbuf = buf_to_str(ir_test, total_ir_length, 16);
- ERROR("Error validating JTAG scan chain, IR mismatch, scan returned 0x%s", cbuf);
+ LOG_ERROR("Error validating JTAG scan chain, IR mismatch, scan returned 0x%s", cbuf);
free(cbuf);
free(ir_test);
return ERROR_JTAG_INIT_FAILED;
if (buf_get_u32(ir_test, chain_pos, 2) != 0x3)
{
char *cbuf = buf_to_str(ir_test, total_ir_length, 16);
- ERROR("Error validating JTAG scan chain, IR mismatch, scan returned 0x%s", cbuf);
+ LOG_ERROR("Error validating JTAG scan chain, IR mismatch, scan returned 0x%s", cbuf);
free(cbuf);
free(ir_test);
return ERROR_JTAG_INIT_FAILED;
register_command(cmd_ctx, NULL, "interface", handle_interface_command,
COMMAND_CONFIG, NULL);
register_command(cmd_ctx, NULL, "jtag_speed", handle_jtag_speed_command,
- COMMAND_ANY, "set jtag speed (if supported) <speed>");
+ COMMAND_ANY, "set jtag speed (if supported) <reset speed> [<post reset speed, default value is reset speed>]");
+ register_command(cmd_ctx, NULL, "jtag_khz", handle_jtag_khz_command,
+ COMMAND_ANY, "same as jtag_speed, except it takes maximum khz as arguments. 0 KHz = RTCK.");
register_command(cmd_ctx, NULL, "jtag_device", handle_jtag_device_command,
COMMAND_CONFIG, "jtag_device <ir_length> <ir_expected> <ir_mask>");
register_command(cmd_ctx, NULL, "reset_config", handle_reset_config_command,
if (!jtag_interface)
{
/* nothing was previously specified by "interface" command */
- ERROR("JTAG interface has to be specified, see \"interface\" command");
+ LOG_ERROR("JTAG interface has to be specified, see \"interface\" command");
return ERROR_JTAG_INVALID_INTERFACE;
}
int validate_tries = 0;
jtag_device_t *device;
- DEBUG("-");
+ LOG_DEBUG("-");
if (!jtag && jtag_interface_init(cmd_ctx) != ERROR_OK)
return ERROR_JTAG_INIT_FAILED;
/* examine chain first, as this could discover the real chain layout */
if (jtag_examine_chain() != ERROR_OK)
{
- ERROR("trying to validate configured JTAG chain anyway...");
+ LOG_ERROR("trying to validate configured JTAG chain anyway...");
}
while (jtag_validate_chain() != ERROR_OK)
validate_tries++;
if (validate_tries > 5)
{
- ERROR("Could not validate JTAG chain, exit");
- jtag = NULL;
+ LOG_ERROR("Could not validate JTAG chain, exit");
return ERROR_JTAG_INVALID_INTERFACE;
}
usleep(10000);
return ERROR_OK;
}
+
+static int default_khz(int khz, int *jtag_speed)
+{
+ LOG_ERROR("Translation from khz to jtag_speed not implemented");
+ return ERROR_FAIL;
+}
+
int handle_interface_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
int i;
/* check whether the interface is already configured */
if (jtag_interface)
{
- WARNING("Interface already configured, ignoring");
+ LOG_WARNING("Interface already configured, ignoring");
return ERROR_OK;
}
exit(-1);
jtag_interface = jtag_interfaces[i];
+
+ if (jtag_interface->khz == NULL)
+ {
+ jtag_interface->khz = default_khz;
+ }
return ERROR_OK;
}
}
/* no valid interface was found (i.e. the configuration option,
* didn't match one of the compiled-in interfaces
*/
- ERROR("No valid jtag interface found (%s)", args[0]);
- ERROR("compiled-in jtag interfaces:");
+ LOG_ERROR("No valid jtag interface found (%s)", args[0]);
+ LOG_ERROR("compiled-in jtag interfaces:");
for (i = 0; jtag_interfaces[i]; i++)
{
- ERROR("%i: %s", i, jtag_interfaces[i]->name);
+ LOG_ERROR("%i: %s", i, jtag_interfaces[i]->name);
}
return ERROR_JTAG_INVALID_INTERFACE;
jtag_register_event_callback(jtag_reset_callback, (*last_device_p));
jtag_num_devices++;
-
+
return ERROR_OK;
}
jtag_reset_config = RESET_TRST_AND_SRST;
else
{
- ERROR("invalid reset_config argument, defaulting to none");
+ LOG_ERROR("invalid reset_config argument, defaulting to none");
jtag_reset_config = RESET_NONE;
return ERROR_INVALID_ARGUMENTS;
}
jtag_reset_config &= ~(RESET_SRST_PULLS_TRST | RESET_TRST_PULLS_SRST);
else
{
- ERROR("invalid reset_config argument, defaulting to none");
+ LOG_ERROR("invalid reset_config argument, defaulting to none");
jtag_reset_config = RESET_NONE;
return ERROR_INVALID_ARGUMENTS;
}
jtag_reset_config &= ~RESET_TRST_OPEN_DRAIN;
else
{
- ERROR("invalid reset_config argument, defaulting to none");
+ LOG_ERROR("invalid reset_config argument, defaulting to none");
jtag_reset_config = RESET_NONE;
return ERROR_INVALID_ARGUMENTS;
}
jtag_reset_config &= ~RESET_SRST_PUSH_PULL;
else
{
- ERROR("invalid reset_config argument, defaulting to none");
+ LOG_ERROR("invalid reset_config argument, defaulting to none");
jtag_reset_config = RESET_NONE;
return ERROR_INVALID_ARGUMENTS;
}
{
if (argc < 1)
{
- ERROR("jtag_nsrst_delay <ms> command takes one required argument");
+ LOG_ERROR("jtag_nsrst_delay <ms> command takes one required argument");
exit(-1);
}
else
{
if (argc < 1)
{
- ERROR("jtag_ntrst_delay <ms> command takes one required argument");
+ LOG_ERROR("jtag_ntrst_delay <ms> command takes one required argument");
exit(-1);
}
else
int handle_jtag_speed_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
- if (argc == 0)
- command_print(cmd_ctx, "jtag_speed: %i", jtag_speed);
+ int cur_speed = 0;
+ if ((argc<1) || (argc>2))
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ if (argc >= 1)
+ cur_speed = jtag_speed = jtag_speed_post_reset = strtoul(args[0], NULL, 0);
+ if (argc == 2)
+ cur_speed = jtag_speed_post_reset = strtoul(args[1], NULL, 0);
+
+ /* this command can be called during CONFIG,
+ * in which case jtag isn't initialized */
+ if (jtag)
+ jtag->speed(cur_speed);
+
+ return ERROR_OK;
+}
+
+int handle_jtag_khz_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ int cur_speed = 0;
+ int speed1, speed2;
+ if ((argc<1) || (argc>2))
+ return ERROR_COMMAND_SYNTAX_ERROR;
- if (argc > 0)
+ if (jtag == NULL)
{
- /* this command can be called during CONFIG,
- * in which case jtag isn't initialized */
- if (jtag)
- jtag->speed(strtoul(args[0], NULL, 0));
- else
- jtag_speed = strtoul(args[0], NULL, 0);
+ LOG_ERROR("Interface not selected yet");
+ return ERROR_COMMAND_SYNTAX_ERROR;
}
+
+ if (argc >= 1)
+ speed1 = strtoul(args[0], NULL, 0);
+ if (argc == 2)
+ speed2 = strtoul(args[1], NULL, 0);
+
+ if (jtag->khz(speed1, &speed1)!=ERROR_OK)
+ return ERROR_OK;
+
+ if (jtag->khz(speed2, &speed2)!=ERROR_OK)
+ return ERROR_OK;
+
+ if (argc >= 1)
+ cur_speed = jtag_speed = jtag_speed_post_reset = speed1;
+
+ if (argc == 2)
+ cur_speed = jtag_speed_post_reset = speed2;
+
+ jtag->speed(cur_speed);
return ERROR_OK;
}
+
int handle_endstate_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
enum tap_state state;
{
int trst = -1;
int srst = -1;
- int retval;
if (argc < 2)
{
return ERROR_COMMAND_SYNTAX_ERROR;
-
}
if (args[0][0] == '1')
if (!jtag && jtag_interface_init(cmd_ctx) != ERROR_OK)
return ERROR_JTAG_INIT_FAILED;
- if ((retval = jtag_add_reset(trst, srst)) != ERROR_OK)
- {
- switch (retval)
- {
- case ERROR_JTAG_RESET_WOULD_ASSERT_TRST:
- command_print(cmd_ctx, "requested reset would assert trst\nif this is acceptable, use jtag_reset 1 %c", args[1][0]);
- break;
- case ERROR_JTAG_RESET_CANT_SRST:
- command_print(cmd_ctx, "can't assert srst because the current reset_config doesn't support it");
- break;
- default:
- command_print(cmd_ctx, "unknown error");
- }
- }
+ jtag_add_reset(trst, srst);
jtag_execute_queue();
return ERROR_OK;
projects / fw / openocd / blobdiff