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, see <http://www.gnu.org/licenses/>. *
  16  ***************************************************************************/
  17
  18 #ifdef HAVE_CONFIG_H
  19 #include "config.h"
  20 #endif
  21
  22 #include <jtag/jtag.h>
  23 #include <target/embeddedice.h>
  24 #include <jtag/minidriver.h>
  25 #include <jtag/interface.h>
  26
  27 struct jtag_interface minidummy_interface = {
  28         .name = "minidummy",
  29         .execute_queue = NULL,
  30         .speed = NULL,
  31         .commands = NULL,
  32         .init = NULL,
  33         .quit = NULL,
  34         .khz = NULL,
  35         .speed_div = NULL,
  36         .power_dropout = NULL,
  37         .srst_asserted = NULL,
  38 };
  39
  40 int interface_jtag_execute_queue(void)
  41 {
  42         /* synchronously do the operation here */
  43
  44         return ERROR_OK;
  45 }
  46
  47 int interface_jtag_add_ir_scan(struct jtag_tap *active, const struct scan_field *fields,
  48                 tap_state_t state)
  49 {
  50         /* synchronously do the operation here */
  51
  52         return ERROR_OK;
  53 }
  54
  55 int interface_jtag_add_plain_ir_scan(int num_bits, const uint8_t *out_bits,
  56                 uint8_t *in_bits, tap_state_t state)
  57 {
  58         /* synchronously do the operation here */
  59
  60         return ERROR_OK;
  61 }
  62
  63 int interface_jtag_add_dr_scan(struct jtag_tap *active, int num_fields,
  64                 const struct scan_field *fields, tap_state_t state)
  65 {
  66         /* synchronously do the operation here */
  67
  68         return ERROR_OK;
  69 }
  70
  71 int interface_jtag_add_plain_dr_scan(int num_bits, const uint8_t *out_bits,
  72                 uint8_t *in_bits, tap_state_t state)
  73 {
  74         /* synchronously do the operation here */
  75
  76         return ERROR_OK;
  77 }
  78
  79 int interface_jtag_add_tlr()
  80 {
  81         /* synchronously do the operation here */
  82
  83         return ERROR_OK;
  84 }
  85
  86 int interface_jtag_add_reset(int req_trst, int req_srst)
  87 {
  88         /* synchronously do the operation here */
  89
  90         return ERROR_OK;
  91 }
  92
  93 int interface_jtag_add_runtest(int num_cycles, tap_state_t state)
  94 {
  95         /* synchronously do the operation here */
  96
  97         return ERROR_OK;
  98 }
  99
 100 int interface_jtag_add_clocks(int num_cycles)
 101 {
 102         /* synchronously do the operation here */
 103
 104         return ERROR_OK;
 105 }
 106
 107 int interface_jtag_add_sleep(uint32_t us)
 108 {
 109         jtag_sleep(us);
 110         return ERROR_OK;
 111 }
 112
 113 int interface_jtag_add_pathmove(int num_states, const tap_state_t *path)
 114 {
 115         int state_count;
 116         int tms = 0;
 117
 118         state_count = 0;
 119
 120         tap_state_t cur_state = cmd_queue_cur_state;
 121
 122         while (num_states) {
 123                 if (tap_state_transition(cur_state, false) == path[state_count])
 124                         tms = 0;
 125                 else if (tap_state_transition(cur_state, true) == path[state_count])
 126                         tms = 1;
 127                 else {
 128                         LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition",
 129                                         tap_state_name(cur_state), tap_state_name(path[state_count]));
 130                         exit(-1);
 131                 }
 132
 133                 /* synchronously do the operation here */
 134
 135                 cur_state = path[state_count];
 136                 state_count++;
 137                 num_states--;
 138         }
 139
 140
 141         /* synchronously do the operation here */
 142
 143         return ERROR_OK;
 144 }
 145
 146 int interface_add_tms_seq(unsigned num_bits, const uint8_t *seq, enum tap_state state)
 147 {
 148         /* synchronously do the operation here */
 149
 150         return ERROR_OK;
 151 }
 152
 153 void embeddedice_write_dcc(struct jtag_tap *tap, int reg_addr, const uint8_t *buffer,
 154                 int little, int count)
 155 {
 156         int i;
 157         for (i = 0; i < count; i++) {
 158                 embeddedice_write_reg_inner(tap, reg_addr, fast_target_buffer_get_u32(buffer, little));
 159                 buffer += 4;
 160         }
 161 }
 162
 163 int arm11_run_instr_data_to_core_noack_inner(struct jtag_tap *tap, uint32_t opcode,
 164                 uint32_t *data, size_t count)
 165 {
 166         int arm11_run_instr_data_to_core_noack_inner_default(struct jtag_tap *tap, \
 167                         uint32_t opcode, uint32_t *data, size_t count);
 168         return arm11_run_instr_data_to_core_noack_inner_default(tap, opcode, data, count);
 169 }