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         .transports = jtag_only,
  32         .commands = NULL,
  33         .init = NULL,
  34         .quit = NULL,
  35         .khz = NULL,
  36         .speed_div = NULL,
  37         .power_dropout = NULL,
  38         .srst_asserted = NULL,
  39 };
  40
  41 int interface_jtag_execute_queue(void)
  42 {
  43         /* synchronously do the operation here */
  44
  45         return ERROR_OK;
  46 }
  47
  48 int interface_jtag_add_ir_scan(struct jtag_tap *active, const struct scan_field *fields,
  49                 tap_state_t state)
  50 {
  51         /* synchronously do the operation here */
  52
  53         return ERROR_OK;
  54 }
  55
  56 int interface_jtag_add_plain_ir_scan(int num_bits, const uint8_t *out_bits,
  57                 uint8_t *in_bits, tap_state_t state)
  58 {
  59         /* synchronously do the operation here */
  60
  61         return ERROR_OK;
  62 }
  63
  64 int interface_jtag_add_dr_scan(struct jtag_tap *active, int num_fields,
  65                 const struct scan_field *fields, tap_state_t state)
  66 {
  67         /* synchronously do the operation here */
  68
  69         return ERROR_OK;
  70 }
  71
  72 int interface_jtag_add_plain_dr_scan(int num_bits, const uint8_t *out_bits,
  73                 uint8_t *in_bits, tap_state_t state)
  74 {
  75         /* synchronously do the operation here */
  76
  77         return ERROR_OK;
  78 }
  79
  80 int interface_jtag_add_tlr()
  81 {
  82         /* synchronously do the operation here */
  83
  84         return ERROR_OK;
  85 }
  86
  87 int interface_jtag_add_reset(int req_trst, int req_srst)
  88 {
  89         /* synchronously do the operation here */
  90
  91         return ERROR_OK;
  92 }
  93
  94 int interface_jtag_add_runtest(int num_cycles, tap_state_t state)
  95 {
  96         /* synchronously do the operation here */
  97
  98         return ERROR_OK;
  99 }
 100
 101 int interface_jtag_add_clocks(int num_cycles)
 102 {
 103         /* synchronously do the operation here */
 104
 105         return ERROR_OK;
 106 }
 107
 108 int interface_jtag_add_sleep(uint32_t us)
 109 {
 110         jtag_sleep(us);
 111         return ERROR_OK;
 112 }
 113
 114 int interface_jtag_add_pathmove(int num_states, const tap_state_t *path)
 115 {
 116         int state_count;
 117         int tms = 0;
 118
 119         state_count = 0;
 120
 121         tap_state_t cur_state = cmd_queue_cur_state;
 122
 123         while (num_states) {
 124                 if (tap_state_transition(cur_state, false) == path[state_count])
 125                         tms = 0;
 126                 else if (tap_state_transition(cur_state, true) == path[state_count])
 127                         tms = 1;
 128                 else {
 129                         LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition",
 130                                         tap_state_name(cur_state), tap_state_name(path[state_count]));
 131                         exit(-1);
 132                 }
 133
 134                 /* synchronously do the operation here */
 135
 136                 cur_state = path[state_count];
 137                 state_count++;
 138                 num_states--;
 139         }
 140
 141
 142         /* synchronously do the operation here */
 143
 144         return ERROR_OK;
 145 }
 146
 147 int interface_add_tms_seq(unsigned num_bits, const uint8_t *seq, enum tap_state state)
 148 {
 149         /* synchronously do the operation here */
 150
 151         return ERROR_OK;
 152 }
 153
 154 void embeddedice_write_dcc(struct jtag_tap *tap, int reg_addr, const uint8_t *buffer,
 155                 int little, int count)
 156 {
 157         int i;
 158         for (i = 0; i < count; i++) {
 159                 embeddedice_write_reg_inner(tap, reg_addr, fast_target_buffer_get_u32(buffer, little));
 160                 buffer += 4;
 161         }
 162 }
 163
 164 int arm11_run_instr_data_to_core_noack_inner(struct jtag_tap *tap, uint32_t opcode,
 165                 uint32_t *data, size_t count)
 166 {
 167         int arm11_run_instr_data_to_core_noack_inner_default(struct jtag_tap *tap, \
 168                         uint32_t opcode, uint32_t *data, size_t count);
 169         return arm11_run_instr_data_to_core_noack_inner_default(tap, opcode, data, count);
 170 }