src/jtag/minidummy/minidummy.c

   1 /***************************************************************************
   2  *   Copyright (C) 2007-2008 by Øyvind Harboe                              *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.           *
  18  ***************************************************************************/
  19
  20 #ifdef HAVE_CONFIG_H
  21 #include "config.h"
  22 #endif
  23
  24 #include <jtag/jtag.h>
  25 #include <target/embeddedice.h>
  26 #include <jtag/minidriver.h>
  27 #include <jtag/interface.h>
  28
  29 struct jtag_interface minidummy_interface = {
  30         .name = "minidummy",
  31         .execute_queue = NULL,
  32         .speed = NULL,
  33         .commands = NULL,
  34         .init = NULL,
  35         .quit = NULL,
  36         .khz = NULL,
  37         .speed_div = NULL,
  38         .power_dropout = NULL,
  39         .srst_asserted = NULL,
  40 };
  41
  42 int interface_jtag_execute_queue(void)
  43 {
  44         /* synchronously do the operation here */
  45
  46         return ERROR_OK;
  47 }
  48
  49 int interface_jtag_add_ir_scan(struct jtag_tap *active, const struct scan_field *fields,
  50                 tap_state_t state)
  51 {
  52         /* synchronously do the operation here */
  53
  54         return ERROR_OK;
  55 }
  56
  57 int interface_jtag_add_plain_ir_scan(int num_bits, const uint8_t *out_bits,
  58                 uint8_t *in_bits, tap_state_t state)
  59 {
  60         /* synchronously do the operation here */
  61
  62         return ERROR_OK;
  63 }
  64
  65 int interface_jtag_add_dr_scan(struct jtag_tap *active, int num_fields,
  66                 const struct scan_field *fields, tap_state_t state)
  67 {
  68         /* synchronously do the operation here */
  69
  70         return ERROR_OK;
  71 }
  72
  73 int interface_jtag_add_plain_dr_scan(int num_bits, const uint8_t *out_bits,
  74                 uint8_t *in_bits, tap_state_t state)
  75 {
  76         /* synchronously do the operation here */
  77
  78         return ERROR_OK;
  79 }
  80
  81 int interface_jtag_add_tlr()
  82 {
  83         /* synchronously do the operation here */
  84
  85         return ERROR_OK;
  86 }
  87
  88 int interface_jtag_add_reset(int req_trst, int req_srst)
  89 {
  90         /* synchronously do the operation here */
  91
  92         return ERROR_OK;
  93 }
  94
  95 int interface_jtag_add_runtest(int num_cycles, tap_state_t state)
  96 {
  97         /* synchronously do the operation here */
  98
  99         return ERROR_OK;
 100 }
 101
 102 int interface_jtag_add_clocks(int num_cycles)
 103 {
 104         /* synchronously do the operation here */
 105
 106         return ERROR_OK;
 107 }
 108
 109 int interface_jtag_add_sleep(uint32_t us)
 110 {
 111         jtag_sleep(us);
 112         return ERROR_OK;
 113 }
 114
 115 int interface_jtag_add_pathmove(int num_states, const tap_state_t *path)
 116 {
 117         int state_count;
 118         int tms = 0;
 119
 120         state_count = 0;
 121
 122         tap_state_t cur_state = cmd_queue_cur_state;
 123
 124         while (num_states) {
 125                 if (tap_state_transition(cur_state, false) == path[state_count])
 126                         tms = 0;
 127                 else if (tap_state_transition(cur_state, true) == path[state_count])
 128                         tms = 1;
 129                 else {
 130                         LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition",
 131                                         tap_state_name(cur_state), tap_state_name(path[state_count]));
 132                         exit(-1);
 133                 }
 134
 135                 /* synchronously do the operation here */
 136
 137                 cur_state = path[state_count];
 138                 state_count++;
 139                 num_states--;
 140         }
 141
 142
 143         /* synchronously do the operation here */
 144
 145         return ERROR_OK;
 146 }
 147
 148 int interface_add_tms_seq(unsigned num_bits, const uint8_t *seq, enum tap_state state)
 149 {
 150         /* synchronously do the operation here */
 151
 152         return ERROR_OK;
 153 }
 154
 155 void embeddedice_write_dcc(struct jtag_tap *tap, int reg_addr, const uint8_t *buffer,
 156                 int little, int count)
 157 {
 158         int i;
 159         for (i = 0; i < count; i++) {
 160                 embeddedice_write_reg_inner(tap, reg_addr, fast_target_buffer_get_u32(buffer, little));
 161                 buffer += 4;
 162         }
 163 }
 164
 165 int arm11_run_instr_data_to_core_noack_inner(struct jtag_tap *tap, uint32_t opcode,
 166                 uint32_t *data, size_t count)
 167 {
 168         int arm11_run_instr_data_to_core_noack_inner_default(struct jtag_tap *tap, \
 169                         uint32_t opcode, uint32_t *data, size_t count);
 170         return arm11_run_instr_data_to_core_noack_inner_default(tap, opcode, data, count);
 171 }