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- /***************************************************************************
- * Copyright (C) 2013 by Sergio Chico *
- * sergio.chico@gmail.com *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- ***************************************************************************/
-
- #ifdef HAVE_CONFIG_H
- #include "config.h"
- #endif
-
- #include "or1k_tap.h"
- #include "or1k.h"
-
- #include <jtag/jtag.h>
-
- #define OR1K_XILINX_TAP_INST_USER1 0x02
-
- static int or1k_tap_xilinx_bscan_init(struct or1k_jtag *jtag_info)
- {
- LOG_DEBUG("Initialising Xilinx Internal JTAG TAP");
-
- /* Put TAP into state where it can talk to the debug interface
- * by shifting in correct value to IR.
- */
-
- /* Ensure TAP is reset - maybe not necessary*/
- jtag_add_tlr();
-
- struct jtag_tap *tap = jtag_info->tap;
- struct scan_field field;
- uint8_t ir_value = OR1K_XILINX_TAP_INST_USER1;
-
- field.num_bits = tap->ir_length;
- field.out_value = &ir_value;
- field.in_value = NULL;
-
- jtag_add_ir_scan(tap, &field, TAP_IDLE);
-
- return jtag_execute_queue();
- }
-
- static struct or1k_tap_ip xilinx_bscan_tap = {
- .name = "xilinx_bscan",
- .init = or1k_tap_xilinx_bscan_init,
- };
-
- int or1k_tap_xilinx_bscan_register(void)
- {
- list_add_tail(&xilinx_bscan_tap.list, &tap_list);
- return 0;
- }
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