static int mem_ap_setup_csw(struct adiv5_ap *ap, uint32_t csw)
{
- csw = csw | CSW_DBGSWENABLE | CSW_MASTER_DEBUG | CSW_HPROT |
- ap->csw_default;
+ csw |= ap->csw_default;
if (csw != ap->csw_value) {
/* LOG_DEBUG("DAP: Set CSW %x",csw); */
return 2;
case CSW_32BIT:
return 4;
+ default:
+ return 0;
}
case CSW_ADDRINC_PACKED:
return 4;
{
struct adiv5_dap *dap = adiv5_get_dap(CMD_DATA);
uint32_t apcsw = dap->ap[dap->apsel].csw_default;
- uint32_t sprot = 0;
+ uint32_t csw_val, csw_mask;
switch (CMD_ARGC) {
case 0:
- command_print(CMD_CTX, "apsel %" PRIi32 " selected, csw 0x%8.8" PRIx32,
- (dap->apsel), apcsw);
- break;
+ command_print(CMD_CTX, "ap %" PRIi32 " selected, csw 0x%8.8" PRIx32,
+ dap->apsel, apcsw);
+ return ERROR_OK;
case 1:
- COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], sprot);
- /* AP address is in bits 31:24 of DP_SELECT */
- if (sprot > 1)
- return ERROR_COMMAND_SYNTAX_ERROR;
- if (sprot)
- apcsw |= CSW_SPROT;
+ if (strcmp(CMD_ARGV[0], "default") == 0)
+ csw_val = CSW_DEFAULT;
else
- apcsw &= ~CSW_SPROT;
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], csw_val);
+
+ if (csw_val & (CSW_SIZE_MASK | CSW_ADDRINC_MASK)) {
+ LOG_ERROR("CSW value cannot include 'Size' and 'AddrInc' bit-fields");
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+ apcsw = csw_val;
+ break;
+ case 2:
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], csw_val);
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], csw_mask);
+ if (csw_mask & (CSW_SIZE_MASK | CSW_ADDRINC_MASK)) {
+ LOG_ERROR("CSW mask cannot include 'Size' and 'AddrInc' bit-fields");
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+ apcsw = (apcsw & ~csw_mask) | (csw_val & csw_mask);
break;
default:
return ERROR_COMMAND_SYNTAX_ERROR;
{
struct adiv5_dap *dap = adiv5_get_dap(CMD_DATA);
uint32_t apsel, reg, value;
+ struct adiv5_ap *ap;
int retval;
if (CMD_ARGC < 2 || CMD_ARGC > 3)
/* AP address is in bits 31:24 of DP_SELECT */
if (apsel >= 256)
return ERROR_COMMAND_SYNTAX_ERROR;
+ ap = dap_ap(dap, apsel);
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], reg);
if (reg >= 256 || (reg & 3))
if (CMD_ARGC == 3) {
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], value);
- retval = dap_queue_ap_write(dap_ap(dap, apsel), reg, value);
+ switch (reg) {
+ case MEM_AP_REG_CSW:
+ ap->csw_default = 0; /* invalid, force write */
+ retval = mem_ap_setup_csw(ap, value);
+ break;
+ case MEM_AP_REG_TAR:
+ ap->tar_valid = false; /* invalid, force write */
+ retval = mem_ap_setup_tar(ap, value);
+ break;
+ default:
+ retval = dap_queue_ap_write(ap, reg, value);
+ break;
+ }
} else {
- retval = dap_queue_ap_read(dap_ap(dap, apsel), reg, &value);
+ retval = dap_queue_ap_read(ap, reg, &value);
}
if (retval == ERROR_OK)
retval = dap_run(dap);
.name = "apcsw",
.handler = dap_apcsw_command,
.mode = COMMAND_EXEC,
- .help = "Set csw access bit ",
- .usage = "[sprot]",
+ .help = "Set CSW default bits",
+ .usage = "[value [mask]]",
},
{