if (csw != ap->csw_value) {
/* LOG_DEBUG("DAP: Set CSW %x",csw); */
int retval = dap_queue_ap_write(ap, MEM_AP_REG_CSW, csw);
- if (retval != ERROR_OK)
+ if (retval != ERROR_OK) {
+ ap->csw_value = 0;
return retval;
+ }
ap->csw_value = csw;
}
return ERROR_OK;
if (!ap->tar_valid || tar != ap->tar_value) {
/* LOG_DEBUG("DAP: Set TAR %x",tar); */
int retval = dap_queue_ap_write(ap, MEM_AP_REG_TAR, tar);
- if (retval != ERROR_OK)
+ if (retval != ERROR_OK) {
+ ap->tar_valid = false;
return retval;
+ }
ap->tar_value = tar;
ap->tar_valid = true;
}
COMMAND_HANDLER(dap_apsel_command)
{
struct adiv5_dap *dap = adiv5_get_dap(CMD_DATA);
- uint32_t apsel, apid;
- int retval;
+ uint32_t apsel;
switch (CMD_ARGC) {
case 0:
- apsel = dap->apsel;
- break;
+ command_print(CMD_CTX, "%" PRIi32, dap->apsel);
+ return ERROR_OK;
case 1:
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], apsel);
/* AP address is in bits 31:24 of DP_SELECT */
}
dap->apsel = apsel;
-
- retval = dap_queue_ap_read(dap_ap(dap, apsel), AP_REG_IDR, &apid);
- if (retval != ERROR_OK)
- return retval;
- retval = dap_run(dap);
- if (retval != ERROR_OK)
- return retval;
-
- command_print(CMD_CTX, "ap %" PRIi32 " selected, identification register 0x%8.8" PRIx32,
- apsel, apid);
-
- return retval;
+ return ERROR_OK;
}
COMMAND_HANDLER(dap_apcsw_command)
return retval;
}
+COMMAND_HANDLER(dap_dpreg_command)
+{
+ struct adiv5_dap *dap = adiv5_get_dap(CMD_DATA);
+ uint32_t reg, value;
+ int retval;
+
+ if (CMD_ARGC < 1 || CMD_ARGC > 2)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], reg);
+ if (reg >= 256 || (reg & 3))
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ if (CMD_ARGC == 2) {
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], value);
+ retval = dap_queue_dp_write(dap, reg, value);
+ } else {
+ retval = dap_queue_dp_read(dap, reg, &value);
+ }
+ if (retval == ERROR_OK)
+ retval = dap_run(dap);
+
+ if (retval != ERROR_OK)
+ return retval;
+
+ if (CMD_ARGC == 1)
+ command_print(CMD_CTX, "0x%08" PRIx32, value);
+
+ return retval;
+}
+
COMMAND_HANDLER(dap_ti_be_32_quirks_command)
{
struct adiv5_dap *dap = adiv5_get_dap(CMD_DATA);
{
.name = "apsel",
.handler = dap_apsel_command,
- .mode = COMMAND_EXEC,
+ .mode = COMMAND_ANY,
.help = "Set the currently selected AP (default 0) "
"and display the result",
.usage = "[ap_num]",
{
.name = "apcsw",
.handler = dap_apcsw_command,
- .mode = COMMAND_EXEC,
+ .mode = COMMAND_ANY,
.help = "Set CSW default bits",
.usage = "[value [mask]]",
},
"(reg is byte address of a word register, like 0 4 8...)",
.usage = "ap_num reg [value]",
},
+ {
+ .name = "dpreg",
+ .handler = dap_dpreg_command,
+ .mode = COMMAND_EXEC,
+ .help = "read/write a register from DP "
+ "(reg is byte address (bank << 4 | reg) of a word register, like 0 4 8...)",
+ .usage = "reg [value]",
+ },
{
.name = "baseaddr",
.handler = dap_baseaddr_command,