src/target/arm_jtag.h

   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   Copyright (C) 2007,2008 Øyvind Harboe                                      *
   6  *   oyvind.harboe@zylin.com                                               *
   7  *                                                                         *
   8  *   This program is free software; you can redistribute it and/or modify  *
   9  *   it under the terms of the GNU General Public License as published by  *
  10  *   the Free Software Foundation; either version 2 of the License, or     *
  11  *   (at your option) any later version.                                   *
  12  *                                                                         *
  13  *   This program is distributed in the hope that it will be useful,       *
  14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  16  *   GNU General Public License for more details.                          *
  17  *                                                                         *
  18  *   You should have received a copy of the GNU General Public License     *
  19  *   along with this program; if not, write to the                         *
  20  *   Free Software Foundation, Inc.,                                       *
  21  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  22  ***************************************************************************/
  23 #ifndef ARM_JTAG
  24 #define ARM_JTAG
  25
  26 #include "types.h"
  27 #include "jtag.h"
  28
  29 typedef struct arm_jtag_s
  30 {
  31         int chain_pos;
  32
  33         int scann_size;
  34         u32 scann_instr;
  35         int cur_scan_chain;
  36
  37         u32 intest_instr;
  38 } arm_jtag_t;
  39
  40 extern int arm_jtag_set_instr(arm_jtag_t *jtag_info, u32 new_instr, in_handler_t handler);
  41 extern int arm_jtag_scann(arm_jtag_t *jtag_info, u32 new_scan_chain);
  42 extern int arm_jtag_setup_connection(arm_jtag_t *jtag_info);
  43
  44 /* JTAG buffers to host, be and le buffers, flipping variants */
  45 int arm_jtag_buf_to_u32_flip(u8 *in_buf, void *priv, struct scan_field_s *field);
  46 int arm_jtag_buf_to_le32_flip(u8 *in_buf, void *priv, struct scan_field_s *field);
  47 int arm_jtag_buf_to_le16_flip(u8 *in_buf, void *priv, struct scan_field_s *field);
  48 int arm_jtag_buf_to_be32_flip(u8 *in_buf, void *priv, struct scan_field_s *field);
  49 int arm_jtag_buf_to_be16_flip(u8 *in_buf, void *priv, struct scan_field_s *field);
  50 int arm_jtag_buf_to_8_flip(u8 *in_buf, void *priv, struct scan_field_s *field);
  51
  52 /* JTAG buffers to host, be and le buffers */
  53 int arm_jtag_buf_to_u32(u8 *in_buf, void *priv, struct scan_field_s *field);
  54 int arm_jtag_buf_to_le32(u8 *in_buf, void *priv, struct scan_field_s *field);
  55 int arm_jtag_buf_to_le16(u8 *in_buf, void *priv, struct scan_field_s *field);
  56 int arm_jtag_buf_to_be32(u8 *in_buf, void *priv, struct scan_field_s *field);
  57 int arm_jtag_buf_to_be16(u8 *in_buf, void *priv, struct scan_field_s *field);
  58 int arm_jtag_buf_to_8(u8 *in_buf, void *priv, struct scan_field_s *field);
  59
  60 #endif /* ARM_JTAG */
  61