X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Ftarget%2Fadi_v5_jtag.c;h=1100b17d21cfa761de0476f99dbff85fb6b73b60;hp=e500416b6e10587ffcb6c0fa544a7a4e60a586b4;hb=677b02b475870b7d9e5d86e9bf61dc28dae5a6e4;hpb=2a8a89edcba49051315f59cea05834b5b704ee61 diff --git a/src/target/adi_v5_jtag.c b/src/target/adi_v5_jtag.c index e500416b6e..1100b17d21 100644 --- a/src/target/adi_v5_jtag.c +++ b/src/target/adi_v5_jtag.c @@ -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, };