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 "jtag.h"
  27
  28 typedef struct arm_jtag_s
  29 {
  30         struct jtag_tap *tap;
  31
  32         uint32_t scann_size;
  33         uint32_t scann_instr;
  34         uint32_t cur_scan_chain;
  35
  36         uint32_t intest_instr;
  37 } arm_jtag_t;
  38
  39 int arm_jtag_set_instr(arm_jtag_t *jtag_info,
  40                 uint32_t new_instr, void *verify_capture);
  41 int arm_jtag_scann(arm_jtag_t *jtag_info, uint32_t new_scan_chain);
  42 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(uint8_t *in_buf, void *priv, struct scan_field_s *field);
  46 int arm_jtag_buf_to_le32_flip(uint8_t *in_buf, void *priv, struct scan_field_s *field);
  47 int arm_jtag_buf_to_le16_flip(uint8_t *in_buf, void *priv, struct scan_field_s *field);
  48 int arm_jtag_buf_to_be32_flip(uint8_t *in_buf, void *priv, struct scan_field_s *field);
  49 int arm_jtag_buf_to_be16_flip(uint8_t *in_buf, void *priv, struct scan_field_s *field);
  50 int arm_jtag_buf_to_8_flip(uint8_t *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(uint8_t *in_buf, void *priv, struct scan_field_s *field);
  54 int arm_jtag_buf_to_le32(uint8_t *in_buf, void *priv, struct scan_field_s *field);
  55 int arm_jtag_buf_to_le16(uint8_t *in_buf, void *priv, struct scan_field_s *field);
  56 int arm_jtag_buf_to_be32(uint8_t *in_buf, void *priv, struct scan_field_s *field);
  57 int arm_jtag_buf_to_be16(uint8_t *in_buf, void *priv, struct scan_field_s *field);
  58 int arm_jtag_buf_to_8(uint8_t *in_buf, void *priv, struct scan_field_s *field);
  59
  60
  61 /* use this as a static so we can inline it in -O3 and refer to it via a pointer  */
  62 static __inline__ void arm7flip32(jtag_callback_data_t arg)
  63 {
  64   uint8_t *in = (uint8_t *)arg;
  65   *((uint32_t *)in) = flip_u32(le_to_h_u32(in), 32);
  66 }
  67
  68 static __inline__ void arm_le_to_h_u32(jtag_callback_data_t arg)
  69 {
  70   uint8_t *in = (uint8_t *)arg;
  71   *((uint32_t *)in) = le_to_h_u32(in);
  72 }
  73
  74
  75 #endif /* ARM_JTAG */
  76