* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "interface.h"
#include "interfaces.h"
#include <transport/transport.h>
+#include <jtag/drivers/jtag_usb_common.h>
#ifdef HAVE_STRINGS_H
#include <strings.h>
*/
extern struct jtag_interface *jtag_interface;
-const char *jtag_only[] = { "jtag", NULL };
+const char * const jtag_only[] = { "jtag", NULL };
static int jim_adapter_name(Jim_Interp *interp, int argc, Jim_Obj * const *argv)
{
return JIM_OK;
}
-static int default_khz(int khz, int *jtag_speed)
-{
- LOG_ERROR("Translation from khz to jtag_speed not implemented");
- return ERROR_FAIL;
-}
-
-static int default_speed_div(int speed, int *khz)
-{
- LOG_ERROR("Translation from jtag_speed to khz not implemented");
- return ERROR_FAIL;
-}
-
-static int default_power_dropout(int *dropout)
-{
- *dropout = 0; /* by default we can't detect power dropout */
- return ERROR_OK;
-}
-
-static int default_srst_asserted(int *srst_asserted)
-{
- *srst_asserted = 0; /* by default we can't detect srst asserted */
- return ERROR_OK;
-}
-
COMMAND_HANDLER(interface_transport_command)
{
char **transports;
if (strcmp(CMD_NAME, "interface_list") == 0 && CMD_ARGC > 0)
return ERROR_COMMAND_SYNTAX_ERROR;
- command_print(CMD_CTX, "The following debug interfaces are available:");
+ command_print(CMD, "The following debug interfaces are available:");
for (unsigned i = 0; NULL != jtag_interfaces[i]; i++) {
const char *name = jtag_interfaces[i]->name;
- command_print(CMD_CTX, "%u: %s", i + 1, name);
+ command_print(CMD, "%u: %s", i + 1, name);
}
return ERROR_OK;
jtag_interface = jtag_interfaces[i];
- /* LEGACY SUPPORT ... adapter drivers must declare what
- * transports they allow. Until they all do so, assume
- * the legacy drivers are JTAG-only
- */
- if (!jtag_interface->transports)
- LOG_WARNING("Adapter driver '%s' did not declare "
- "which transports it allows; assuming "
- "legacy JTAG-only", jtag_interface->name);
- retval = allow_transports(CMD_CTX, jtag_interface->transports
- ? jtag_interface->transports : jtag_only);
- if (ERROR_OK != retval)
- return retval;
-
- if (jtag_interface->khz == NULL)
- jtag_interface->khz = default_khz;
- if (jtag_interface->speed_div == NULL)
- jtag_interface->speed_div = default_speed_div;
- if (jtag_interface->power_dropout == NULL)
- jtag_interface->power_dropout = default_power_dropout;
- if (jtag_interface->srst_asserted == NULL)
- jtag_interface->srst_asserted = default_srst_asserted;
-
- return ERROR_OK;
+ return allow_transports(CMD_CTX, jtag_interface->transports);
}
/* no valid interface was found (i.e. the configuration option,
goto next;
/* srst_type (NOP without HAS_SRST) */
- m |= RESET_SRST_PUSH_PULL;
+ m = RESET_SRST_PUSH_PULL;
if (strcmp(*CMD_ARGV, "srst_push_pull") == 0)
tmp |= RESET_SRST_PUSH_PULL;
else if (strcmp(*CMD_ARGV, "srst_open_drain") == 0)
if (m)
goto next;
+ /* connect_type - only valid when srst_nogate */
+ m = RESET_CNCT_UNDER_SRST;
+ if (strcmp(*CMD_ARGV, "connect_assert_srst") == 0)
+ tmp |= RESET_CNCT_UNDER_SRST;
+ else if (strcmp(*CMD_ARGV, "connect_deassert_srst") == 0)
+ /* connect normally - default */;
+ else
+ m = 0;
+ if (mask & m) {
+ LOG_ERROR("extra reset_config %s spec (%s)",
+ "connect_type", *CMD_ARGV);
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+ if (m)
+ goto next;
+
/* caller provided nonsense; fail */
LOG_ERROR("unknown reset_config flag (%s)", *CMD_ARGV);
return ERROR_COMMAND_SYNTAX_ERROR;
} else
new_cfg = jtag_get_reset_config();
-
/*
* Display the (now-)current reset mode
*/
- char *modes[5];
+ char *modes[6];
/* minimal JTAG has neither SRST nor TRST (so that's the default) */
switch (new_cfg & (RESET_HAS_TRST | RESET_HAS_SRST)) {
modes[4] = " srst_push_pull";
else
modes[4] = " srst_open_drain";
+
+ if (new_cfg & RESET_CNCT_UNDER_SRST)
+ modes[5] = " connect_assert_srst";
+ else
+ modes[5] = " connect_deassert_srst";
} else {
modes[2] = "";
modes[4] = "";
+ modes[5] = "";
}
- command_print(CMD_CTX, "%s %s%s%s%s",
+ command_print(CMD, "%s %s%s%s%s%s",
modes[0], modes[1],
- modes[2], modes[3], modes[4]);
+ modes[2], modes[3], modes[4], modes[5]);
return ERROR_OK;
}
jtag_set_nsrst_delay(delay);
}
- command_print(CMD_CTX, "adapter_nsrst_delay: %u", jtag_get_nsrst_delay());
+ command_print(CMD, "adapter_nsrst_delay: %u", jtag_get_nsrst_delay());
return ERROR_OK;
}
jtag_set_nsrst_assert_width(width);
}
- command_print(CMD_CTX, "adapter_nsrst_assert_width: %u", jtag_get_nsrst_assert_width());
+ command_print(CMD, "adapter_nsrst_assert_width: %u", jtag_get_nsrst_assert_width());
return ERROR_OK;
}
-
-
COMMAND_HANDLER(handle_adapter_khz_command)
{
if (CMD_ARGC > 1)
return retval;
if (cur_speed)
- command_print(CMD_CTX, "%d kHz", cur_speed);
+ command_print(CMD, "adapter speed: %d kHz", cur_speed);
else
- command_print(CMD_CTX, "RCLK - adaptive");
+ command_print(CMD, "adapter speed: RCLK - adaptive");
return retval;
}
+COMMAND_HANDLER(handle_adapter_reset_de_assert)
+{
+ enum values {
+ VALUE_UNDEFINED = -1,
+ VALUE_DEASSERT = 0,
+ VALUE_ASSERT = 1,
+ };
+ enum values value;
+ enum values srst = VALUE_UNDEFINED;
+ enum values trst = VALUE_UNDEFINED;
+ enum reset_types jtag_reset_config = jtag_get_reset_config();
+ char *signal;
+
+ if (CMD_ARGC == 0) {
+ if (transport_is_jtag()) {
+ if (jtag_reset_config & RESET_HAS_TRST)
+ signal = jtag_get_trst() ? "asserted" : "deasserted";
+ else
+ signal = "not present";
+ command_print(CMD, "trst %s", signal);
+ }
+
+ if (jtag_reset_config & RESET_HAS_SRST)
+ signal = jtag_get_srst() ? "asserted" : "deasserted";
+ else
+ signal = "not present";
+ command_print(CMD, "srst %s", signal);
+
+ return ERROR_OK;
+ }
+
+ if (CMD_ARGC != 1 && CMD_ARGC != 3)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ value = (strcmp(CMD_NAME, "assert") == 0) ? VALUE_ASSERT : VALUE_DEASSERT;
+ if (strcmp(CMD_ARGV[0], "srst") == 0)
+ srst = value;
+ else if (strcmp(CMD_ARGV[0], "trst") == 0)
+ trst = value;
+ else
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ if (CMD_ARGC == 3) {
+ if (strcmp(CMD_ARGV[1], "assert") == 0)
+ value = VALUE_ASSERT;
+ else if (strcmp(CMD_ARGV[1], "deassert") == 0)
+ value = VALUE_DEASSERT;
+ else
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ if (strcmp(CMD_ARGV[2], "srst") == 0 && srst == VALUE_UNDEFINED)
+ srst = value;
+ else if (strcmp(CMD_ARGV[2], "trst") == 0 && trst == VALUE_UNDEFINED)
+ trst = value;
+ else
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ if (trst == VALUE_UNDEFINED) {
+ if (transport_is_jtag())
+ trst = jtag_get_trst() ? VALUE_ASSERT : VALUE_DEASSERT;
+ else
+ trst = VALUE_DEASSERT; /* unused, safe value */
+ }
+
+ if (srst == VALUE_UNDEFINED) {
+ if (jtag_reset_config & RESET_HAS_SRST)
+ srst = jtag_get_srst() ? VALUE_ASSERT : VALUE_DEASSERT;
+ else
+ srst = VALUE_DEASSERT; /* unused, safe value */
+ }
+
+ if (trst == VALUE_ASSERT && !transport_is_jtag()) {
+ LOG_ERROR("transport has no trst signal");
+ return ERROR_FAIL;
+ }
+
+ if (srst == VALUE_ASSERT && !(jtag_reset_config & RESET_HAS_SRST)) {
+ LOG_ERROR("adapter has no srst signal");
+ return ERROR_FAIL;
+ }
+
+ return adapter_resets((trst == VALUE_DEASSERT) ? TRST_DEASSERT : TRST_ASSERT,
+ (srst == VALUE_DEASSERT) ? SRST_DEASSERT : SRST_ASSERT);
+}
+
+#ifndef HAVE_JTAG_MINIDRIVER_H
+#ifdef HAVE_LIBUSB_GET_PORT_NUMBERS
+COMMAND_HANDLER(handle_usb_location_command)
+{
+ if (CMD_ARGC == 1)
+ jtag_usb_set_location(CMD_ARGV[0]);
+
+ command_print(CMD, "adapter usb location: %s", jtag_usb_get_location());
+
+ return ERROR_OK;
+}
+#endif /* HAVE_LIBUSB_GET_PORT_NUMBERS */
+
+static const struct command_registration adapter_usb_command_handlers[] = {
+#ifdef HAVE_LIBUSB_GET_PORT_NUMBERS
+ {
+ .name = "location",
+ .handler = &handle_usb_location_command,
+ .mode = COMMAND_CONFIG,
+ .help = "display or set the USB bus location of the USB device",
+ .usage = "[<bus>-port[.port]...]",
+ },
+#endif /* HAVE_LIBUSB_GET_PORT_NUMBERS */
+ COMMAND_REGISTRATION_DONE
+};
+#endif /* MINIDRIVER */
+
+static const struct command_registration adapter_command_handlers[] = {
+#ifndef HAVE_JTAG_MINIDRIVER_H
+ {
+ .name = "usb",
+ .mode = COMMAND_ANY,
+ .help = "usb adapter command group",
+ .usage = "",
+ .chain = adapter_usb_command_handlers,
+ },
+#endif /* MINIDRIVER */
+ {
+ .name = "assert",
+ .handler = handle_adapter_reset_de_assert,
+ .mode = COMMAND_EXEC,
+ .help = "Controls SRST and TRST lines.",
+ .usage = "|deassert [srst|trst [assert|deassert srst|trst]]",
+ },
+ {
+ .name = "deassert",
+ .handler = handle_adapter_reset_de_assert,
+ .mode = COMMAND_EXEC,
+ .help = "Controls SRST and TRST lines.",
+ .usage = "|assert [srst|trst [deassert|assert srst|trst]]",
+ },
+ COMMAND_REGISTRATION_DONE
+};
+
static const struct command_registration interface_command_handlers[] = {
+ {
+ .name = "adapter",
+ .mode = COMMAND_ANY,
+ .help = "adapter command group",
+ .usage = "",
+ .chain = adapter_command_handlers,
+ },
{
.name = "adapter_khz",
.handler = handle_adapter_khz_command,
.handler = handle_interface_list_command,
.mode = COMMAND_ANY,
.help = "List all built-in debug adapter interfaces (drivers)",
+ .usage = "",
},
{
.name = "reset_config",
"[srst_pulls_trst|trst_pulls_srst|combined|separate] "
"[srst_gates_jtag|srst_nogate] "
"[trst_push_pull|trst_open_drain] "
- "[srst_push_pull|srst_open_drain]",
+ "[srst_push_pull|srst_open_drain] "
+ "[connect_deassert_srst|connect_assert_srst]",
},
COMMAND_REGISTRATION_DONE
};
projects / fw / openocd / blobdiff