target/profiling: Use the correct method to access registers
[fw/openocd] / src / target / adi_v5_jtag.c
index e500416b6e10587ffcb6c0fa544a7a4e60a586b4..1100b17d21cfa761de0476f99dbff85fb6b73b60 100644 (file)
@@ -23,7 +23,7 @@
  *   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.,
- *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  ***************************************************************************/
 
 /**
@@ -50,6 +50,8 @@
 #define JTAG_ACK_OK_FAULT      0x2
 #define JTAG_ACK_WAIT          0x1
 
+static int jtag_ap_q_abort(struct adiv5_dap *dap, uint8_t *ack);
+
 /***************************************************************************
  *
  * DPACC and APACC scanchain access through JTAG-DP (or SWJ-DP)
@@ -232,12 +234,16 @@ static int jtagdp_transaction_endcheck(struct adiv5_dap *dap)
                while (dap->ack != JTAG_ACK_OK_FAULT) {
                        if (dap->ack == JTAG_ACK_WAIT) {
                                if ((timeval_ms()-then) > 1000) {
-                                       /* NOTE:  this would be a good spot
-                                        * to use JTAG_DP_ABORT.
-                                        */
                                        LOG_WARNING("Timeout (1000ms) waiting "
                                                "for ACK=OK/FAULT "
-                                               "in JTAG-DP transaction");
+                                               "in JTAG-DP transaction - aborting");
+
+                                       uint8_t ack;
+                                       int abort_ret = jtag_ap_q_abort(dap, &ack);
+
+                                       if (abort_ret != 0)
+                                               LOG_WARNING("Abort failed : return=%d ack=%d", abort_ret, ack);
+
                                        return ERROR_JTAG_DEVICE_ERROR;
                                }
                        } else {
@@ -336,30 +342,6 @@ static int jtagdp_transaction_endcheck(struct adiv5_dap *dap)
 
 /*--------------------------------------------------------------------------*/
 
-static int jtag_idcode_q_read(struct adiv5_dap *dap,
-               uint8_t *ack, uint32_t *data)
-{
-       struct arm_jtag *jtag_info = dap->jtag_info;
-       int retval;
-       struct scan_field fields[1];
-
-       /* This is a standard JTAG operation -- no DAP tweakage */
-       retval = arm_jtag_set_instr(jtag_info, JTAG_DP_IDCODE, NULL, TAP_IDLE);
-       if (retval != ERROR_OK)
-               return retval;
-
-       fields[0].num_bits = 32;
-       fields[0].out_value = NULL;
-       fields[0].in_value = (void *) data;
-
-       jtag_add_dr_scan(jtag_info->tap, 1, fields, TAP_IDLE);
-
-       jtag_add_callback(arm_le_to_h_u32,
-                       (jtag_callback_data_t) data);
-
-       return ERROR_OK;
-}
-
 static int jtag_dp_q_read(struct adiv5_dap *dap, unsigned reg,
                uint32_t *data)
 {
@@ -414,40 +396,6 @@ static int jtag_ap_q_write(struct adiv5_dap *dap, unsigned reg,
        return adi_jtag_ap_write_check(dap, reg, out_value_buf);
 }
 
-static int jtag_ap_q_read_block(struct adiv5_dap *dap, unsigned reg,
-               uint32_t blocksize, uint8_t *buffer)
-{
-       uint32_t readcount;
-       int retval = ERROR_OK;
-
-       /* Scan out first read */
-       retval = adi_jtag_dp_scan(dap, JTAG_DP_APACC, reg,
-                       DPAP_READ, 0, NULL, NULL);
-       if (retval != ERROR_OK)
-               return retval;
-
-       for (readcount = 0; readcount < blocksize - 1; readcount++) {
-               /* Scan out next read; scan in posted value for the
-                * previous one.  Assumes read is acked "OK/FAULT",
-                * and CTRL_STAT says that meant "OK".
-                */
-               retval = adi_jtag_dp_scan(dap, JTAG_DP_APACC, reg,
-                               DPAP_READ, 0, buffer + 4 * readcount,
-                               &dap->ack);
-               if (retval != ERROR_OK)
-                       return retval;
-       }
-
-       /* Scan in last posted value; RDBUFF has no other effect,
-        * assuming ack is OK/FAULT and CTRL_STAT says "OK".
-        */
-       retval = adi_jtag_dp_scan(dap, JTAG_DP_DPACC, DP_RDBUFF,
-                       DPAP_READ, 0, buffer + 4 * readcount,
-                       &dap->ack);
-
-       return retval;
-}
-
 static int jtag_ap_q_abort(struct adiv5_dap *dap, uint8_t *ack)
 {
        /* for JTAG, this is the only valid ABORT register operation */
@@ -464,12 +412,10 @@ static int jtag_dp_run(struct adiv5_dap *dap)
  * part of DAP setup
 */
 const struct dap_ops jtag_dp_ops = {
-       .queue_idcode_read   = jtag_idcode_q_read,
        .queue_dp_read       = jtag_dp_q_read,
        .queue_dp_write      = jtag_dp_q_write,
        .queue_ap_read       = jtag_ap_q_read,
        .queue_ap_write      = jtag_ap_q_write,
-       .queue_ap_read_block = jtag_ap_q_read_block,
        .queue_ap_abort      = jtag_ap_q_abort,
        .run                 = jtag_dp_run,
 };