1 /***************************************************************************
2 * Copyright (C) 2013 by Andes Technology *
3 * Hsiangkai Wang <hkwang@andestech.com> *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program. If not, see <http://www.gnu.org/licenses/>. *
17 ***************************************************************************/
23 /* project specific includes */
24 #include <jtag/interface.h>
26 #include <transport/transport.h>
27 #include <target/target.h>
28 #include <jtag/aice/aice_interface.h>
29 #include <jtag/aice/aice_transport.h>
32 static int jim_newtap_expected_id(Jim_Nvp *n, Jim_GetOptInfo *goi,
33 struct jtag_tap *pTap)
36 int e = Jim_GetOpt_Wide(goi, &w);
38 Jim_SetResultFormatted(goi->interp, "option: %s bad parameter",
43 unsigned expected_len = sizeof(uint32_t) * pTap->expected_ids_cnt;
44 uint32_t *new_expected_ids = malloc(expected_len + sizeof(uint32_t));
45 if (new_expected_ids == NULL) {
46 Jim_SetResultFormatted(goi->interp, "no memory");
50 memcpy(new_expected_ids, pTap->expected_ids, expected_len);
52 new_expected_ids[pTap->expected_ids_cnt] = w;
54 free(pTap->expected_ids);
55 pTap->expected_ids = new_expected_ids;
56 pTap->expected_ids_cnt++;
61 #define NTAP_OPT_EXPECTED_ID 0
64 static int jim_aice_newtap_cmd(Jim_GetOptInfo *goi)
66 struct jtag_tap *pTap;
71 const Jim_Nvp opts[] = {
72 {.name = "-expected-id", .value = NTAP_OPT_EXPECTED_ID},
73 {.name = NULL, .value = -1},
76 pTap = calloc(1, sizeof(struct jtag_tap));
78 Jim_SetResultFormatted(goi->interp, "no memory");
83 * we expect CHIP + TAP + OPTIONS
86 Jim_SetResultFormatted(goi->interp,
87 "Missing CHIP TAP OPTIONS ....");
93 Jim_GetOpt_String(goi, &tmp, NULL);
94 pTap->chip = strdup(tmp);
96 Jim_GetOpt_String(goi, &tmp, NULL);
97 pTap->tapname = strdup(tmp);
99 /* name + dot + name + null */
100 x = strlen(pTap->chip) + 1 + strlen(pTap->tapname) + 1;
102 sprintf(cp, "%s.%s", pTap->chip, pTap->tapname);
103 pTap->dotted_name = cp;
105 LOG_DEBUG("Creating New Tap, Chip: %s, Tap: %s, Dotted: %s, %d params",
106 pTap->chip, pTap->tapname, pTap->dotted_name, goi->argc);
109 e = Jim_GetOpt_Nvp(goi, opts, &n);
111 Jim_GetOpt_NvpUnknown(goi, opts, 0);
116 LOG_DEBUG("Processing option: %s", n->name);
118 case NTAP_OPT_EXPECTED_ID:
119 e = jim_newtap_expected_id(n, goi, pTap);
126 } /* switch (n->value) */
127 } /* while (goi->argc) */
129 /* default is enabled-after-reset */
130 pTap->enabled = !pTap->disabled_after_reset;
137 static int jim_aice_newtap(Jim_Interp *interp, int argc, Jim_Obj * const *argv)
140 Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
141 return jim_aice_newtap_cmd(&goi);
145 COMMAND_HANDLER(handle_aice_init_command)
148 return ERROR_COMMAND_SYNTAX_ERROR;
150 static bool jtag_initialized;
151 if (jtag_initialized) {
152 LOG_INFO("'jtag init' has already been called");
155 jtag_initialized = true;
157 LOG_DEBUG("Initializing jtag devices...");
158 return jtag_init(CMD_CTX);
161 static int jim_aice_arp_init(Jim_Interp *interp, int argc, Jim_Obj * const *argv)
163 LOG_DEBUG("No implement: jim_aice_arp_init");
169 static int aice_init_reset(struct command_context *cmd_ctx)
171 LOG_DEBUG("Initializing with hard TRST+SRST reset");
174 enum reset_types jtag_reset_config = jtag_get_reset_config();
176 jtag_add_reset(1, 0); /* TAP_RESET */
177 if (jtag_reset_config & RESET_HAS_SRST) {
178 jtag_add_reset(1, 1);
179 if ((jtag_reset_config & RESET_SRST_PULLS_TRST) == 0)
180 jtag_add_reset(0, 1);
182 jtag_add_reset(0, 0);
183 retval = jtag_execute_queue();
184 if (retval != ERROR_OK)
191 static int jim_aice_arp_init_reset(Jim_Interp *interp, int argc, Jim_Obj * const *argv)
195 Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
197 Jim_WrongNumArgs(goi.interp, 1, goi.argv - 1, "(no params)");
200 struct command_context *context = current_command_context(interp);
201 e = aice_init_reset(context);
204 Jim_Obj *eObj = Jim_NewIntObj(goi.interp, e);
205 Jim_SetResultFormatted(goi.interp, "error: %#s", eObj);
206 Jim_FreeNewObj(goi.interp, eObj);
212 static int jim_aice_names(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
215 Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
217 Jim_WrongNumArgs(goi.interp, 1, goi.argv, "Too many parameters");
220 Jim_SetResult(goi.interp, Jim_NewListObj(goi.interp, NULL, 0));
221 struct jtag_tap *tap;
223 for (tap = jtag_all_taps(); tap; tap = tap->next_tap)
224 Jim_ListAppendElement(goi.interp,
225 Jim_GetResult(goi.interp),
226 Jim_NewStringObj(goi.interp,
227 tap->dotted_name, -1));
233 static const struct command_registration
234 aice_transport_jtag_subcommand_handlers[] = {
238 .handler = handle_aice_init_command,
239 .help = "initialize jtag scan chain",
245 .jim_handler = jim_aice_arp_init,
246 .help = "Validates JTAG scan chain against the list of "
250 .name = "arp_init-reset",
252 .jim_handler = jim_aice_arp_init_reset,
253 .help = "Uses TRST and SRST to try resetting everything on "
254 "the JTAG scan chain, then performs 'jtag arp_init'."
258 .mode = COMMAND_CONFIG,
259 .jim_handler = jim_aice_newtap,
260 .help = "Create a new TAP instance named basename.tap_type, "
261 "and appends it to the scan chain.",
262 .usage = "basename tap_type ['-expected_id' number]"
265 .name = "tapisenabled",
266 .mode = COMMAND_EXEC,
267 .jim_handler = jim_jtag_tap_enabler,
268 .help = "Returns a Tcl boolean (0/1) indicating whether "
269 "the TAP is enabled (1) or not (0).",
274 .mode = COMMAND_EXEC,
275 .jim_handler = jim_jtag_tap_enabler,
276 .help = "Try to enable the specified TAP using the "
277 "'tap-enable' TAP event.",
281 .name = "tapdisable",
282 .mode = COMMAND_EXEC,
283 .jim_handler = jim_jtag_tap_enabler,
284 .help = "Try to disable the specified TAP using the "
285 "'tap-disable' TAP event.",
290 .mode = COMMAND_EXEC,
291 .jim_handler = jim_jtag_configure,
292 .help = "Provide a Tcl handler for the specified "
294 .usage = "tap_name '-event' event_name handler",
298 .mode = COMMAND_EXEC,
299 .jim_handler = jim_jtag_configure,
300 .help = "Return any Tcl handler for the specified "
302 .usage = "tap_name '-event' event_name",
307 .jim_handler = jim_aice_names,
308 .help = "Returns list of all JTAG tap names.",
311 COMMAND_REGISTRATION_DONE
315 static const struct command_registration aice_transport_command_handlers[] = {
320 .chain = aice_transport_jtag_subcommand_handlers,
322 COMMAND_REGISTRATION_DONE
327 static int aice_transport_register_commands(struct command_context *cmd_ctx)
329 return register_commands(cmd_ctx, NULL,
330 aice_transport_command_handlers);
334 static int aice_transport_init(struct command_context *cmd_ctx)
336 LOG_DEBUG("aice_transport_init");
337 struct target *t = get_current_target(cmd_ctx);
338 struct transport *transport;
341 LOG_ERROR("no current target");
345 transport = get_current_transport();
348 LOG_ERROR("no transport selected");
352 LOG_DEBUG("current transport %s", transport->name);
354 return aice_init_targets();
358 static int aice_transport_select(struct command_context *ctx)
360 LOG_DEBUG("aice_transport_select");
364 retval = aice_transport_register_commands(ctx);
366 if (retval != ERROR_OK)
372 static struct transport aice_jtag_transport = {
374 .select = aice_transport_select,
375 .init = aice_transport_init,
378 const char *aice_transports[] = { "aice_jtag", NULL };
380 static void aice_constructor(void) __attribute__((constructor));
381 static void aice_constructor(void)
383 transport_register(&aice_jtag_transport);