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>
33 static int jim_newtap_expected_id(struct jim_nvp
*n
, struct jim_getopt_info
*goi
,
37 int e
= jim_getopt_wide(goi
, &w
);
39 Jim_SetResultFormatted(goi
->interp
, "option: %s bad parameter",
44 unsigned expected_len
= sizeof(uint32_t) * tap
->expected_ids_cnt
;
45 uint32_t *new_expected_ids
= malloc(expected_len
+ sizeof(uint32_t));
46 if (!new_expected_ids
) {
47 Jim_SetResultFormatted(goi
->interp
, "no memory");
51 assert(tap
->expected_ids
);
52 memcpy(new_expected_ids
, tap
->expected_ids
, expected_len
);
54 new_expected_ids
[tap
->expected_ids_cnt
] = w
;
56 free(tap
->expected_ids
);
57 tap
->expected_ids
= new_expected_ids
;
58 tap
->expected_ids_cnt
++;
63 #define NTAP_OPT_EXPECTED_ID 0
66 static int jim_aice_newtap_cmd(struct jim_getopt_info
*goi
)
73 const struct jim_nvp opts
[] = {
74 {.name
= "-expected-id", .value
= NTAP_OPT_EXPECTED_ID
},
75 {.name
= NULL
, .value
= -1},
78 tap
= calloc(1, sizeof(struct jtag_tap
));
80 Jim_SetResultFormatted(goi
->interp
, "no memory");
85 * we expect CHIP + TAP + OPTIONS
88 Jim_SetResultFormatted(goi
->interp
,
89 "Missing CHIP TAP OPTIONS ....");
95 jim_getopt_string(goi
, &tmp
, NULL
);
96 tap
->chip
= strdup(tmp
);
98 jim_getopt_string(goi
, &tmp
, NULL
);
99 tap
->tapname
= strdup(tmp
);
101 /* name + dot + name + null */
102 x
= strlen(tap
->chip
) + 1 + strlen(tap
->tapname
) + 1;
104 sprintf(cp
, "%s.%s", tap
->chip
, tap
->tapname
);
105 tap
->dotted_name
= cp
;
107 LOG_DEBUG("Creating New Tap, Chip: %s, Tap: %s, Dotted: %s, %d params",
108 tap
->chip
, tap
->tapname
, tap
->dotted_name
, goi
->argc
);
111 e
= jim_getopt_nvp(goi
, opts
, &n
);
113 jim_getopt_nvp_unknown(goi
, opts
, 0);
118 LOG_DEBUG("Processing option: %s", n
->name
);
120 case NTAP_OPT_EXPECTED_ID
:
121 e
= jim_newtap_expected_id(n
, goi
, tap
);
128 } /* switch (n->value) */
129 } /* while (goi->argc) */
131 /* default is enabled-after-reset */
132 tap
->enabled
= !tap
->disabled_after_reset
;
139 static int jim_aice_newtap(Jim_Interp
*interp
, int argc
, Jim_Obj
* const *argv
)
141 struct jim_getopt_info goi
;
142 jim_getopt_setup(&goi
, interp
, argc
- 1, argv
+ 1);
143 return jim_aice_newtap_cmd(&goi
);
147 COMMAND_HANDLER(handle_aice_init_command
)
150 return ERROR_COMMAND_SYNTAX_ERROR
;
152 static bool jtag_initialized
;
153 if (jtag_initialized
) {
154 LOG_INFO("'jtag init' has already been called");
157 jtag_initialized
= true;
159 LOG_DEBUG("Initializing jtag devices...");
160 return jtag_init(CMD_CTX
);
163 COMMAND_HANDLER(handle_scan_chain_command
)
165 struct jtag_tap
*tap
;
166 char expected_id
[12];
168 aice_scan_jtag_chain();
169 tap
= jtag_all_taps();
171 " TapName Enabled IdCode Expected IrLen IrCap IrMask");
173 "-- ------------------- -------- ---------- ---------- ----- ----- ------");
176 uint32_t expected
, expected_mask
, ii
;
178 snprintf(expected_id
, sizeof(expected_id
), "0x%08x",
179 (unsigned)((tap
->expected_ids_cnt
> 0)
180 ? tap
->expected_ids
[0]
182 if (tap
->ignore_version
)
183 expected_id
[2] = '*';
185 expected
= buf_get_u32(tap
->expected
, 0, tap
->ir_length
);
186 expected_mask
= buf_get_u32(tap
->expected_mask
, 0, tap
->ir_length
);
189 "%2d %-18s %c 0x%08x %s %5d 0x%02x 0x%02x",
190 tap
->abs_chain_position
,
192 tap
->enabled
? 'Y' : 'n',
193 (unsigned int)(tap
->idcode
),
195 (unsigned int)(tap
->ir_length
),
196 (unsigned int)(expected
),
197 (unsigned int)(expected_mask
));
199 for (ii
= 1; ii
< tap
->expected_ids_cnt
; ii
++) {
200 snprintf(expected_id
, sizeof(expected_id
), "0x%08x",
201 (unsigned) tap
->expected_ids
[ii
]);
202 if (tap
->ignore_version
)
203 expected_id
[2] = '*';
216 static int jim_aice_arp_init(Jim_Interp
*interp
, int argc
, Jim_Obj
* const *argv
)
218 LOG_DEBUG("No implement: jim_aice_arp_init");
224 static int aice_init_reset(struct command_context
*cmd_ctx
)
226 LOG_DEBUG("Initializing with hard TRST+SRST reset");
229 enum reset_types jtag_reset_config
= jtag_get_reset_config();
231 jtag_add_reset(1, 0); /* TAP_RESET */
232 if (jtag_reset_config
& RESET_HAS_SRST
) {
233 jtag_add_reset(1, 1);
234 if ((jtag_reset_config
& RESET_SRST_PULLS_TRST
) == 0)
235 jtag_add_reset(0, 1);
237 jtag_add_reset(0, 0);
238 retval
= jtag_execute_queue();
239 if (retval
!= ERROR_OK
)
246 static int jim_aice_arp_init_reset(Jim_Interp
*interp
, int argc
, Jim_Obj
* const *argv
)
249 struct jim_getopt_info goi
;
250 jim_getopt_setup(&goi
, interp
, argc
- 1, argv
+ 1);
252 Jim_WrongNumArgs(goi
.interp
, 1, goi
.argv
- 1, "(no params)");
255 struct command_context
*context
= current_command_context(interp
);
256 e
= aice_init_reset(context
);
259 Jim_Obj
*obj
= Jim_NewIntObj(goi
.interp
, e
);
260 Jim_SetResultFormatted(goi
.interp
, "error: %#s", obj
);
266 static int jim_aice_names(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
268 struct jim_getopt_info goi
;
269 jim_getopt_setup(&goi
, interp
, argc
- 1, argv
+ 1);
271 Jim_WrongNumArgs(goi
.interp
, 1, goi
.argv
, "Too many parameters");
274 Jim_SetResult(goi
.interp
, Jim_NewListObj(goi
.interp
, NULL
, 0));
275 struct jtag_tap
*tap
;
277 for (tap
= jtag_all_taps(); tap
; tap
= tap
->next_tap
)
278 Jim_ListAppendElement(goi
.interp
,
279 Jim_GetResult(goi
.interp
),
280 Jim_NewStringObj(goi
.interp
,
281 tap
->dotted_name
, -1));
287 static const struct command_registration aice_transport_jtag_subcommand_handlers
[] = {
291 .handler
= handle_aice_init_command
,
292 .help
= "initialize jtag scan chain",
298 .jim_handler
= jim_aice_arp_init
,
299 .help
= "Validates JTAG scan chain against the list of "
303 .name
= "arp_init-reset",
305 .jim_handler
= jim_aice_arp_init_reset
,
306 .help
= "Uses TRST and SRST to try resetting everything on "
307 "the JTAG scan chain, then performs 'jtag arp_init'."
311 .mode
= COMMAND_CONFIG
,
312 .jim_handler
= jim_aice_newtap
,
313 .help
= "Create a new TAP instance named basename.tap_type, "
314 "and appends it to the scan chain.",
315 .usage
= "basename tap_type ['-expected_id' number]"
318 .name
= "tapisenabled",
319 .mode
= COMMAND_EXEC
,
320 .jim_handler
= jim_jtag_tap_enabler
,
321 .help
= "Returns a Tcl boolean (0/1) indicating whether "
322 "the TAP is enabled (1) or not (0).",
327 .mode
= COMMAND_EXEC
,
328 .jim_handler
= jim_jtag_tap_enabler
,
329 .help
= "Try to enable the specified TAP using the "
330 "'tap-enable' TAP event.",
334 .name
= "tapdisable",
335 .mode
= COMMAND_EXEC
,
336 .jim_handler
= jim_jtag_tap_enabler
,
337 .help
= "Try to disable the specified TAP using the "
338 "'tap-disable' TAP event.",
344 .jim_handler
= jim_jtag_configure
,
345 .help
= "Provide a Tcl handler for the specified "
347 .usage
= "tap_name '-event' event_name handler",
351 .mode
= COMMAND_EXEC
,
352 .jim_handler
= jim_jtag_configure
,
353 .help
= "Return any Tcl handler for the specified "
355 .usage
= "tap_name '-event' event_name",
360 .jim_handler
= jim_aice_names
,
361 .help
= "Returns list of all JTAG tap names.",
364 .name
= "scan_chain",
365 .handler
= handle_scan_chain_command
,
367 .help
= "print current scan chain configuration",
371 COMMAND_REGISTRATION_DONE
375 static const struct command_registration aice_transport_command_handlers
[] = {
380 .chain
= aice_transport_jtag_subcommand_handlers
,
382 COMMAND_REGISTRATION_DONE
387 static int aice_transport_register_commands(struct command_context
*cmd_ctx
)
389 return register_commands(cmd_ctx
, NULL
, aice_transport_command_handlers
);
393 static int aice_transport_init(struct command_context
*cmd_ctx
)
395 LOG_DEBUG("aice_transport_init");
396 struct target
*t
= get_current_target(cmd_ctx
);
397 struct transport
*transport
;
400 LOG_ERROR("no current target");
404 transport
= get_current_transport();
407 LOG_ERROR("no transport selected");
411 LOG_DEBUG("current transport %s", transport
->name
);
413 return aice_init_targets();
417 static int aice_transport_select(struct command_context
*ctx
)
419 LOG_DEBUG("aice_transport_select");
423 retval
= aice_transport_register_commands(ctx
);
425 if (retval
!= ERROR_OK
)
431 static struct transport aice_jtag_transport
= {
433 .select
= aice_transport_select
,
434 .init
= aice_transport_init
,
437 const char *aice_transports
[] = { "aice_jtag", NULL
};
439 static void aice_constructor(void) __attribute__((constructor
));
440 static void aice_constructor(void)
442 transport_register(&aice_jtag_transport
);
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