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)
.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
};
#include "interface.h"
#include <transport/transport.h>
#include <helper/jep106.h>
+#include <jtag/hla/hla_transport.h>
+#include <jtag/hla/hla_interface.h>
#ifdef HAVE_STRINGS_H
#include <strings.h>
return get_current_transport() == &jtag_transport;
}
+int adapter_resets(int trst, int srst)
+{
+ if (get_current_transport() == NULL) {
+ LOG_ERROR("transport is not selected");
+ return ERROR_FAIL;
+ }
+
+ if (transport_is_jtag()) {
+ if (srst == SRST_ASSERT && !(jtag_reset_config & RESET_HAS_SRST)) {
+ LOG_ERROR("adapter has no srst signal");
+ return ERROR_FAIL;
+ }
+
+ /* adapters without trst signal will eventually use tlr sequence */
+ jtag_add_reset(trst, srst);
+ return ERROR_OK;
+ } else if (transport_is_swd()) {
+ if (trst == TRST_ASSERT) {
+ LOG_ERROR("transport swd has no trst signal");
+ return ERROR_FAIL;
+ }
+
+ if (srst == SRST_ASSERT && !(jtag_reset_config & RESET_HAS_SRST)) {
+ LOG_ERROR("adapter has no srst signal");
+ return ERROR_FAIL;
+ }
+ swd_add_reset(srst);
+ return ERROR_OK;
+ } else if (transport_is_hla()) {
+ if (trst == TRST_ASSERT) {
+ LOG_ERROR("transport %s has no trst signal",
+ get_current_transport()->name);
+ return ERROR_FAIL;
+ }
+
+ if (srst == SRST_ASSERT && !(jtag_reset_config & RESET_HAS_SRST)) {
+ LOG_ERROR("adapter has no srst signal");
+ return ERROR_FAIL;
+ }
+ return hl_interface_reset(srst);
+ }
+
+ if (trst == TRST_DEASSERT && srst == SRST_DEASSERT)
+ return ERROR_OK;
+
+ LOG_ERROR("reset is not supported on transport %s",
+ get_current_transport()->name);
+
+ return ERROR_FAIL;
+}
+
void adapter_assert_reset(void)
{
if (transport_is_jtag()) {