*/
int ahbap_debugport_init(struct adiv5_dap *dap)
{
+ /* check that we support packed transfers */
+ uint32_t csw, cfg;
int retval;
LOG_DEBUG(" ");
dap_ap_select(dap, 0);
dap->last_read = NULL;
- /* DP initialization */
+ for (size_t i = 0; i < 10; i++) {
+ /* DP initialization */
- dap->dp_bank_value = 0;
+ dap->dp_bank_value = 0;
- retval = dap_queue_dp_read(dap, DP_CTRL_STAT, NULL);
- if (retval != ERROR_OK)
- return retval;
+ retval = dap_queue_dp_read(dap, DP_CTRL_STAT, NULL);
+ if (retval != ERROR_OK)
+ continue;
- retval = dap_queue_dp_write(dap, DP_CTRL_STAT, SSTICKYERR);
- if (retval != ERROR_OK)
- return retval;
+ retval = dap_queue_dp_write(dap, DP_CTRL_STAT, SSTICKYERR);
+ if (retval != ERROR_OK)
+ continue;
- retval = dap_queue_dp_read(dap, DP_CTRL_STAT, NULL);
- if (retval != ERROR_OK)
- return retval;
+ retval = dap_queue_dp_read(dap, DP_CTRL_STAT, NULL);
+ if (retval != ERROR_OK)
+ continue;
- dap->dp_ctrl_stat = CDBGPWRUPREQ | CSYSPWRUPREQ;
- retval = dap_queue_dp_write(dap, DP_CTRL_STAT, dap->dp_ctrl_stat);
- if (retval != ERROR_OK)
- return retval;
+ dap->dp_ctrl_stat = CDBGPWRUPREQ | CSYSPWRUPREQ;
+ retval = dap_queue_dp_write(dap, DP_CTRL_STAT, dap->dp_ctrl_stat);
+ if (retval != ERROR_OK)
+ continue;
- /* Check that we have debug power domains activated */
- LOG_DEBUG("DAP: wait CDBGPWRUPACK");
- retval = dap_dp_poll_register(dap, DP_CTRL_STAT,
- CDBGPWRUPACK, CDBGPWRUPACK,
- DAP_POWER_DOMAIN_TIMEOUT);
- if (retval != ERROR_OK)
- return retval;
+ /* Check that we have debug power domains activated */
+ LOG_DEBUG("DAP: wait CDBGPWRUPACK");
+ retval = dap_dp_poll_register(dap, DP_CTRL_STAT,
+ CDBGPWRUPACK, CDBGPWRUPACK,
+ DAP_POWER_DOMAIN_TIMEOUT);
+ if (retval != ERROR_OK)
+ continue;
- LOG_DEBUG("DAP: wait CSYSPWRUPACK");
- retval = dap_dp_poll_register(dap, DP_CTRL_STAT,
- CSYSPWRUPACK, CSYSPWRUPACK,
- DAP_POWER_DOMAIN_TIMEOUT);
- if (retval != ERROR_OK)
- return retval;
+ LOG_DEBUG("DAP: wait CSYSPWRUPACK");
+ retval = dap_dp_poll_register(dap, DP_CTRL_STAT,
+ CSYSPWRUPACK, CSYSPWRUPACK,
+ DAP_POWER_DOMAIN_TIMEOUT);
+ if (retval != ERROR_OK)
+ continue;
- retval = dap_queue_dp_read(dap, DP_CTRL_STAT, NULL);
- if (retval != ERROR_OK)
- return retval;
- /* With debug power on we can activate OVERRUN checking */
- dap->dp_ctrl_stat = CDBGPWRUPREQ | CSYSPWRUPREQ | CORUNDETECT;
- retval = dap_queue_dp_write(dap, DP_CTRL_STAT, dap->dp_ctrl_stat);
- if (retval != ERROR_OK)
- return retval;
- retval = dap_queue_dp_read(dap, DP_CTRL_STAT, NULL);
- if (retval != ERROR_OK)
- return retval;
+ retval = dap_queue_dp_read(dap, DP_CTRL_STAT, NULL);
+ if (retval != ERROR_OK)
+ continue;
+ /* With debug power on we can activate OVERRUN checking */
+ dap->dp_ctrl_stat = CDBGPWRUPREQ | CSYSPWRUPREQ | CORUNDETECT;
+ retval = dap_queue_dp_write(dap, DP_CTRL_STAT, dap->dp_ctrl_stat);
+ if (retval != ERROR_OK)
+ continue;
+ retval = dap_queue_dp_read(dap, DP_CTRL_STAT, NULL);
+ if (retval != ERROR_OK)
+ continue;
- /* check that we support packed transfers */
- uint32_t csw, cfg;
+ retval = dap_setup_accessport(dap, CSW_8BIT | CSW_ADDRINC_PACKED, 0);
+ if (retval != ERROR_OK)
+ continue;
- retval = dap_setup_accessport(dap, CSW_8BIT | CSW_ADDRINC_PACKED, 0);
- if (retval != ERROR_OK)
- return retval;
+ retval = dap_queue_ap_read(dap, AP_REG_CSW, &csw);
+ if (retval != ERROR_OK)
+ continue;
- retval = dap_queue_ap_read(dap, AP_REG_CSW, &csw);
- if (retval != ERROR_OK)
- return retval;
+ retval = dap_queue_ap_read(dap, AP_REG_CFG, &cfg);
+ if (retval != ERROR_OK)
+ continue;
- retval = dap_queue_ap_read(dap, AP_REG_CFG, &cfg);
- if (retval != ERROR_OK)
- return retval;
+ retval = dap_run(dap);
+ if (retval != ERROR_OK)
+ continue;
+
+ break;
+ }
- retval = dap_run(dap);
if (retval != ERROR_OK)
return retval;
}
int dap_lookup_cs_component(struct adiv5_dap *dap, int ap,
- uint32_t dbgbase, uint8_t type, uint32_t *addr)
+ uint32_t dbgbase, uint8_t type, uint32_t *addr, int32_t *idx)
{
uint32_t ap_old;
uint32_t romentry, entry_offset = 0, component_base, devtype;
- int retval = ERROR_FAIL;
+ int retval;
if (ap >= 256)
return ERROR_COMMAND_SYNTAX_ERROR;
+ *addr = 0;
ap_old = dap->ap_current;
dap_ap_select(dap, ap);
+ (romentry & 0xFFFFF000);
if (romentry & 0x1) {
+ uint32_t c_cid1;
+ retval = mem_ap_read_atomic_u32(dap, component_base | 0xff4, &c_cid1);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("Can't read component with base address 0x%" PRIx32
+ ", the corresponding core might be turned off", component_base);
+ return retval;
+ }
+ if (((c_cid1 >> 4) & 0x0f) == 1) {
+ retval = dap_lookup_cs_component(dap, ap, component_base,
+ type, addr, idx);
+ if (retval == ERROR_OK)
+ break;
+ if (retval != ERROR_TARGET_RESOURCE_NOT_AVAILABLE)
+ return retval;
+ }
+
retval = mem_ap_read_atomic_u32(dap,
(component_base & 0xfffff000) | 0xfcc,
&devtype);
if (retval != ERROR_OK)
return retval;
if ((devtype & 0xff) == type) {
- *addr = component_base;
- retval = ERROR_OK;
- break;
+ if (!*idx) {
+ *addr = component_base;
+ break;
+ } else
+ (*idx)--;
}
}
entry_offset += 4;
dap_ap_select(dap, ap_old);
- return retval;
+ if (!*addr)
+ return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
+
+ return ERROR_OK;
}
static int dap_rom_display(struct command_context *cmd_ctx,
uint32_t c_cid0, c_cid1, c_cid2, c_cid3;
uint32_t c_pid0, c_pid1, c_pid2, c_pid3, c_pid4;
uint32_t component_base;
- unsigned part_num;
- char *type, *full;
+ uint32_t part_num;
+ const char *type, *full;
component_base = (dbgbase & 0xFFFFF000) + (romentry & 0xFFFFF000);
if (((c_cid1 >> 4) & 0x0f) == 9) {
uint32_t devtype;
unsigned minor;
- char *major = "Reserved", *subtype = "Reserved";
+ const char *major = "Reserved", *subtype = "Reserved";
retval = mem_ap_read_atomic_u32(dap,
(component_base & 0xfffff000) | 0xfcc,
type = "Cortex-M3 FBP";
full = "(Flash Patch and Breakpoint)";
break;
+ case 0x008:
+ type = "Cortex-M0 SCS";
+ full = "(System Control Space)";
+ break;
+ case 0x00a:
+ type = "Cortex-M0 DWT";
+ full = "(Data Watchpoint and Trace)";
+ break;
+ case 0x00b:
+ type = "Cortex-M0 BPU";
+ full = "(Breakpoint Unit)";
+ break;
case 0x00c:
type = "Cortex-M4 SCS";
full = "(System Control Space)";
type = "Coresight ITM";
full = "(Instrumentation Trace Macrocell)";
break;
+ case 0x914:
+ type = "Coresight SWO";
+ full = "(Single Wire Output)";
+ break;
case 0x917:
type = "Coresight HTM";
full = "(AHB Trace Macrocell)";
type = "CoreSight Component";
full = "(unidentified Cortex-A9 component)";
break;
+ case 0x961:
+ type = "CoreSight TMC";
+ full = "(Trace Memory Controller)";
+ break;
case 0x962:
type = "CoreSight STM";
full = "(System Trace Macrocell)";
type = "Cortex-M4 TPUI";
full = "(Trace Port Interface Unit)";
break;
+ case 0x9a5:
+ type = "Cortex-A5 ETM";
+ full = "(Embedded Trace)";
+ break;
+ case 0xc05:
+ type = "Cortex-A5 Debug";
+ full = "(Debug Unit)";
+ break;
case 0xc08:
type = "Cortex-A8 Debug";
full = "(Debug Unit)";
type = "Cortex-A9 Debug";
full = "(Debug Unit)";
break;
+ case 0x4af:
+ type = "Cortex-A15 Debug";
+ full = "(Debug Unit)";
+ break;
default:
+ LOG_DEBUG("Unrecognized Part number 0x%" PRIx32, part_num);
type = "-*- unrecognized -*-";
full = "";
break;
command_print(cmd_ctx, "No AP found at this ap 0x%x", ap);
romtable_present = ((mem_ap) && (dbgbase != 0xFFFFFFFF));
- if (romtable_present) {
+ if (romtable_present)
dap_rom_display(cmd_ctx, dap, ap, dbgbase, 0);
- } else
+ else
command_print(cmd_ctx, "\tNo ROM table present");
dap_ap_select(dap, ap_old);
projects / fw / openocd / blobdiff