1 /***************************************************************************
2 * Copyright (C) 2011 by Mathias Kuester *
3 * Mathias Kuester <kesmtp@freenet.de> *
5 * Copyright (C) 2012 by Spencer Oliver *
6 * spen@spen-soft.co.uk *
8 * This program is free software; you can redistribute it and/or modify *
9 * it under the terms of the GNU General Public License as published by *
10 * the Free Software Foundation; either version 2 of the License, or *
11 * (at your option) any later version. *
13 * This program is distributed in the hope that it will be useful, *
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
16 * GNU General Public License for more details. *
18 * You should have received a copy of the GNU General Public License *
19 * along with this program; if not, write to the *
20 * Free Software Foundation, Inc., *
21 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
22 ***************************************************************************/
28 /* project specific includes */
29 #include <jtag/interface.h>
30 #include <transport/transport.h>
31 #include <helper/time_support.h>
33 #include <jtag/hla/hla_tcl.h>
34 #include <jtag/hla/hla_layout.h>
35 #include <jtag/hla/hla_transport.h>
36 #include <jtag/hla/hla_interface.h>
38 #include <target/target.h>
40 static struct hl_interface_s hl_if = { {0, 0, 0, 0, 0, HL_TRANSPORT_UNKNOWN, false, NULL, 0, -1}, 0, 0 };
42 int hl_interface_open(enum hl_transports tr)
44 LOG_DEBUG("hl_interface_open");
46 enum reset_types jtag_reset_config = jtag_get_reset_config();
48 if (jtag_reset_config & RESET_CNCT_UNDER_SRST) {
49 if (jtag_reset_config & RESET_SRST_NO_GATING)
50 hl_if.param.connect_under_reset = true;
52 LOG_WARNING("\'srst_nogate\' reset_config option is required");
55 /* set transport mode */
56 hl_if.param.transport = tr;
58 int result = hl_if.layout->open(&hl_if);
59 if (result != ERROR_OK)
62 return hl_interface_init_reset();
65 int hl_interface_init_target(struct target *t)
69 LOG_DEBUG("hl_interface_init_target");
71 /* this is the interface for the current target and we
72 * can setup the private pointer in the tap structure
73 * if the interface match the tap idcode
75 res = hl_if.layout->api->idcode(hl_if.handle, &t->tap->idcode);
80 unsigned ii, limit = t->tap->expected_ids_cnt;
83 for (ii = 0; ii < limit; ii++) {
84 uint32_t expected = t->tap->expected_ids[ii];
86 /* treat "-expected-id 0" as a "don't-warn" wildcard */
87 if (!expected || !t->tap->idcode ||
88 (t->tap->idcode == expected)) {
95 LOG_WARNING("UNEXPECTED idcode: 0x%08" PRIx32, t->tap->idcode);
96 for (ii = 0; ii < limit; ii++)
97 LOG_ERROR("expected %u of %u: 0x%08" PRIx32, ii + 1, limit,
98 t->tap->expected_ids[ii]);
103 t->tap->priv = &hl_if;
104 t->tap->hasidcode = 1;
109 static int hl_interface_init(void)
111 LOG_DEBUG("hl_interface_init");
113 /* here we can initialize the layout */
114 return hl_layout_init(&hl_if);
117 static int hl_interface_quit(void)
119 LOG_DEBUG("hl_interface_quit");
121 if (hl_if.param.trace_f) {
122 fclose(hl_if.param.trace_f);
123 hl_if.param.trace_f = NULL;
125 hl_if.param.trace_source_hz = 0;
130 static int hl_interface_execute_queue(void)
132 LOG_DEBUG("hl_interface_execute_queue: ignored");
137 int hl_interface_init_reset(void)
139 /* incase the adapter has not already handled asserting srst
140 * we will attempt it again */
141 if (hl_if.param.connect_under_reset) {
142 jtag_add_reset(0, 1);
143 hl_if.layout->api->assert_srst(hl_if.handle, 0);
145 jtag_add_reset(0, 0);
151 static int hl_interface_khz(int khz, int *jtag_speed)
153 if (hl_if.layout->api->speed == NULL)
156 *jtag_speed = hl_if.layout->api->speed(hl_if.handle, khz, true);
160 static int hl_interface_speed_div(int speed, int *khz)
166 static int hl_interface_speed(int speed)
168 if (hl_if.layout->api->speed == NULL)
171 if (hl_if.handle == NULL) {
172 /* pass speed as initial param as interface not open yet */
173 hl_if.param.initial_interface_speed = speed;
177 hl_if.layout->api->speed(hl_if.handle, speed, false);
182 int hl_interface_override_target(const char **targetname)
184 if (hl_if.layout->api->override_target) {
185 if (hl_if.layout->api->override_target(*targetname)) {
186 *targetname = "hla_target";
194 COMMAND_HANDLER(hl_interface_handle_device_desc_command)
196 LOG_DEBUG("hl_interface_handle_device_desc_command");
199 hl_if.param.device_desc = strdup(CMD_ARGV[0]);
201 LOG_ERROR("expected exactly one argument to hl_device_desc <description>");
207 COMMAND_HANDLER(hl_interface_handle_serial_command)
209 LOG_DEBUG("hl_interface_handle_serial_command");
212 hl_if.param.serial = strdup(CMD_ARGV[0]);
214 LOG_ERROR("expected exactly one argument to hl_serial <serial-number>");
220 COMMAND_HANDLER(hl_interface_handle_layout_command)
222 LOG_DEBUG("hl_interface_handle_layout_command");
225 LOG_ERROR("Need exactly one argument to stlink_layout");
226 return ERROR_COMMAND_SYNTAX_ERROR;
230 LOG_ERROR("already specified hl_layout %s",
232 return (strcmp(hl_if.layout->name, CMD_ARGV[0]) != 0)
233 ? ERROR_FAIL : ERROR_OK;
236 for (const struct hl_layout *l = hl_layout_get_list(); l->name;
238 if (strcmp(l->name, CMD_ARGV[0]) == 0) {
244 LOG_ERROR("No adapter layout '%s' found", CMD_ARGV[0]);
248 COMMAND_HANDLER(hl_interface_handle_vid_pid_command)
250 LOG_DEBUG("hl_interface_handle_vid_pid_command");
253 LOG_WARNING("ignoring extra IDs in hl_vid_pid (maximum is 1 pair)");
254 return ERROR_COMMAND_SYNTAX_ERROR;
257 COMMAND_PARSE_NUMBER(u16, CMD_ARGV[0], hl_if.param.vid);
258 COMMAND_PARSE_NUMBER(u16, CMD_ARGV[1], hl_if.param.pid);
263 COMMAND_HANDLER(interface_handle_trace_command)
268 if ((CMD_ARGC < 1) || (CMD_ARGC > 2))
269 return ERROR_COMMAND_SYNTAX_ERROR;
271 COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], source_hz);
272 if (source_hz == 0) {
273 return ERROR_COMMAND_SYNTAX_ERROR;
277 f = fopen(CMD_ARGV[1], "a");
279 return ERROR_COMMAND_SYNTAX_ERROR;
282 hl_if.param.trace_f = f;
283 hl_if.param.trace_source_hz = source_hz;
288 COMMAND_HANDLER(interface_handle_hla_command)
291 return ERROR_COMMAND_SYNTAX_ERROR;
293 if (!hl_if.layout->api->custom_command) {
294 LOG_ERROR("The selected adapter doesn't support custom commands");
298 hl_if.layout->api->custom_command(hl_if.handle, CMD_ARGV[0]);
303 static const struct command_registration hl_interface_command_handlers[] = {
305 .name = "hla_device_desc",
306 .handler = &hl_interface_handle_device_desc_command,
307 .mode = COMMAND_CONFIG,
308 .help = "set the a device description of the adapter",
309 .usage = "description_string",
312 .name = "hla_serial",
313 .handler = &hl_interface_handle_serial_command,
314 .mode = COMMAND_CONFIG,
315 .help = "set the serial number of the adapter",
316 .usage = "serial_string",
319 .name = "hla_layout",
320 .handler = &hl_interface_handle_layout_command,
321 .mode = COMMAND_CONFIG,
322 .help = "set the layout of the adapter",
323 .usage = "layout_name",
326 .name = "hla_vid_pid",
327 .handler = &hl_interface_handle_vid_pid_command,
328 .mode = COMMAND_CONFIG,
329 .help = "the vendor and product ID of the adapter",
330 .usage = "(vid pid)* ",
334 .handler = &interface_handle_trace_command,
335 .mode = COMMAND_CONFIG,
336 .help = "configure trace reception",
337 .usage = "source_lock_hz [destination_path]",
340 .name = "hla_command",
341 .handler = &interface_handle_hla_command,
342 .mode = COMMAND_EXEC,
343 .help = "execute a custom adapter-specific command",
344 .usage = "hla_command <command>",
346 COMMAND_REGISTRATION_DONE
349 struct jtag_interface hl_interface = {
352 .commands = hl_interface_command_handlers,
353 .transports = hl_transports,
354 .init = hl_interface_init,
355 .quit = hl_interface_quit,
356 .execute_queue = hl_interface_execute_queue,
357 .speed = &hl_interface_speed,
358 .khz = &hl_interface_khz,
359 .speed_div = &hl_interface_speed_div,