+// SPDX-License-Identifier: GPL-2.0-or-later
+
/***************************************************************************
* Copyright (C) 2016 by Matthias Welwarsky *
* *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * 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., *
- * *
***************************************************************************/
#ifdef HAVE_CONFIG_H
/* Set up with safe defaults */
for (i = 0; i <= DP_APSEL_MAX; i++) {
dap->ap[i].dap = dap;
- dap->ap[i].ap_num = i;
+ dap->ap[i].ap_num = DP_APSEL_INVALID;
/* memaccess_tck max is 255 */
dap->ap[i].memaccess_tck = 255;
/* Number of bits for tar autoincrement, impl. dep. at least 10 */
} else
dap->ops = &jtag_dp_ops;
+ if (dap->adi_version == 0) {
+ LOG_DEBUG("DAP %s configured by default to use ADIv5 protocol", jtag_tap_name(dap->tap));
+ dap->adi_version = 5;
+ } else {
+ LOG_DEBUG("DAP %s configured to use %s protocol by user cfg file", jtag_tap_name(dap->tap),
+ is_adiv6(dap) ? "ADIv6" : "ADIv5");
+ }
+
retval = dap->ops->connect(dap);
if (retval != ERROR_OK)
return retval;
+
+ /* see if address size of ROM Table is greater than 32-bits */
+ if (is_adiv6(dap)) {
+ uint32_t dpidr1;
+
+ retval = dap->ops->queue_dp_read(dap, DP_DPIDR1, &dpidr1);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("DAP read of DPIDR1 failed...");
+ return retval;
+ }
+ retval = dap_run(dap);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("DAP read of DPIDR1 failed...");
+ return retval;
+ }
+ dap->asize = dpidr1 & DP_DPIDR1_ASIZE_MASK;
+ }
}
return ERROR_OK;
CFG_IGNORE_SYSPWRUPACK,
CFG_DP_ID,
CFG_INSTANCE_ID,
+ CFG_ADIV6,
+ CFG_ADIV5,
};
static const struct jim_nvp nvp_config_opts[] = {
{ .name = "-ignore-syspwrupack", .value = CFG_IGNORE_SYSPWRUPACK },
{ .name = "-dp-id", .value = CFG_DP_ID },
{ .name = "-instance-id", .value = CFG_INSTANCE_ID },
+ { .name = "-adiv6", .value = CFG_ADIV6 },
+ { .name = "-adiv5", .value = CFG_ADIV5 },
{ .name = NULL, .value = -1 }
};
dap->dap.multidrop_instance_id_valid = true;
break;
}
+ case CFG_ADIV6:
+ dap->dap.adi_version = 6;
+ break;
+ case CFG_ADIV5:
+ dap->dap.adi_version = 5;
+ break;
default:
break;
}
struct target *target = get_current_target(CMD_CTX);
struct arm *arm = target_to_arm(target);
struct adiv5_dap *dap = arm->dap;
- uint32_t apsel;
+ uint64_t apsel;
if (!dap) {
LOG_ERROR("DAP instance not available. Probably a HLA target...");
apsel = dap->apsel;
break;
case 1:
- COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], apsel);
- if (apsel > DP_APSEL_MAX)
+ if (!strcmp(CMD_ARGV[0], "root")) {
+ if (!is_adiv6(dap)) {
+ command_print(CMD, "Option \"root\" not allowed with ADIv5 DAP");
+ return ERROR_COMMAND_ARGUMENT_INVALID;
+ }
+ int retval = adiv6_dap_read_baseptr(CMD, dap, &apsel);
+ if (retval != ERROR_OK) {
+ command_print(CMD, "Failed reading DAP baseptr");
+ return retval;
+ }
+ break;
+ }
+ COMMAND_PARSE_NUMBER(u64, CMD_ARGV[0], apsel);
+ if (!is_ap_num_valid(dap, apsel))
return ERROR_COMMAND_SYNTAX_ERROR;
break;
default:
.name = "info",
.handler = handle_dap_info_command,
.mode = COMMAND_EXEC,
- .help = "display ROM table for MEM-AP of current target "
- "(default currently selected AP)",
- .usage = "[ap_num]",
+ .help = "display ROM table for specified MEM-AP (default MEM-AP of current target) "
+ "or the ADIv6 root ROM table of current target's DAP",
+ .usage = "[ap_num | 'root']",
},
COMMAND_REGISTRATION_DONE
};