/* 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 */
/* default CSW value */
dap->ap[i].csw_default = CSW_AHB_DEFAULT;
dap->ap[i].cfg_reg = MEM_AP_REG_CFG_INVALID; /* mem_ap configuration reg (large physical addr, etc.) */
+ dap->ap[i].refcount = 0;
+ dap->ap[i].config_ap_never_release = false;
}
INIT_LIST_HEAD(&dap->cmd_journal);
INIT_LIST_HEAD(&dap->cmd_pool);
} 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;
list_for_each_entry_safe(obj, tmp, &all_dap, lh) {
dap = &obj->dap;
+ for (unsigned int i = 0; i <= DP_APSEL_MAX; i++) {
+ if (dap->ap[i].refcount != 0)
+ LOG_ERROR("BUG: refcount AP#%u still %u at exit", i, dap->ap[i].refcount);
+ }
if (dap->ops && dap->ops->quit)
dap->ops->quit(dap);
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;
}
goto err;
}
- struct command_registration dap_commands[] = {
+ struct command_registration dap_create_commands[] = {
{
.name = cp,
.mode = COMMAND_ANY,
/* don't expose the instance commands when using hla */
if (transport_is_hla())
- dap_commands[0].chain = NULL;
+ dap_create_commands[0].chain = NULL;
- e = register_commands_with_data(cmd_ctx, NULL, dap_commands, dap);
+ e = register_commands_with_data(cmd_ctx, NULL, dap_create_commands, dap);
if (e != ERROR_OK) {
e = JIM_ERR;
goto err;
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:
return ERROR_COMMAND_SYNTAX_ERROR;
}
- return dap_info_command(CMD, &dap->ap[apsel]);
+ struct adiv5_ap *ap = dap_get_ap(dap, apsel);
+ if (!ap) {
+ command_print(CMD, "Cannot get AP");
+ return ERROR_FAIL;
+ }
+ int retval = dap_info_command(CMD, ap);
+ dap_put_ap(ap);
+ return retval;
}
static const struct command_registration dap_subcommand_handlers[] = {
.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
};