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, -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.layout->api->close)
122 hl_if.layout->api->close(hl_if.handle);
127 static int hl_interface_execute_queue(void)
129 LOG_DEBUG("hl_interface_execute_queue: ignored");
134 int hl_interface_init_reset(void)
136 /* incase the adapter has not already handled asserting srst
137 * we will attempt it again */
138 if (hl_if.param.connect_under_reset) {
139 jtag_add_reset(0, 1);
140 hl_if.layout->api->assert_srst(hl_if.handle, 0);
142 jtag_add_reset(0, 0);
148 static int hl_interface_khz(int khz, int *jtag_speed)
150 if (hl_if.layout->api->speed == NULL)
153 *jtag_speed = hl_if.layout->api->speed(hl_if.handle, khz, true);
157 static int hl_interface_speed_div(int speed, int *khz)
163 static int hl_interface_speed(int speed)
165 if (hl_if.layout->api->speed == NULL)
168 if (hl_if.handle == NULL) {
169 /* pass speed as initial param as interface not open yet */
170 hl_if.param.initial_interface_speed = speed;
174 hl_if.layout->api->speed(hl_if.handle, speed, false);
179 int hl_interface_override_target(const char **targetname)
181 if (hl_if.layout->api->override_target) {
182 if (hl_if.layout->api->override_target(*targetname)) {
183 *targetname = "hla_target";
191 int hl_interface_config_trace(bool enabled, enum tpio_pin_protocol pin_protocol,
192 uint32_t port_size, unsigned int *trace_freq)
194 if (hl_if.layout->api->config_trace)
195 return hl_if.layout->api->config_trace(hl_if.handle, enabled, pin_protocol,
196 port_size, trace_freq);
198 LOG_ERROR("The selected interface does not support tracing");
205 int hl_interface_poll_trace(uint8_t *buf, size_t *size)
207 if (hl_if.layout->api->poll_trace)
208 return hl_if.layout->api->poll_trace(hl_if.handle, buf, size);
213 COMMAND_HANDLER(hl_interface_handle_device_desc_command)
215 LOG_DEBUG("hl_interface_handle_device_desc_command");
218 hl_if.param.device_desc = strdup(CMD_ARGV[0]);
220 LOG_ERROR("expected exactly one argument to hl_device_desc <description>");
226 COMMAND_HANDLER(hl_interface_handle_serial_command)
228 LOG_DEBUG("hl_interface_handle_serial_command");
231 hl_if.param.serial = strdup(CMD_ARGV[0]);
233 LOG_ERROR("expected exactly one argument to hl_serial <serial-number>");
239 COMMAND_HANDLER(hl_interface_handle_layout_command)
241 LOG_DEBUG("hl_interface_handle_layout_command");
244 LOG_ERROR("Need exactly one argument to stlink_layout");
245 return ERROR_COMMAND_SYNTAX_ERROR;
249 LOG_ERROR("already specified hl_layout %s",
251 return (strcmp(hl_if.layout->name, CMD_ARGV[0]) != 0)
252 ? ERROR_FAIL : ERROR_OK;
255 for (const struct hl_layout *l = hl_layout_get_list(); l->name;
257 if (strcmp(l->name, CMD_ARGV[0]) == 0) {
263 LOG_ERROR("No adapter layout '%s' found", CMD_ARGV[0]);
267 COMMAND_HANDLER(hl_interface_handle_vid_pid_command)
269 LOG_DEBUG("hl_interface_handle_vid_pid_command");
272 LOG_WARNING("ignoring extra IDs in hl_vid_pid (maximum is 1 pair)");
273 return ERROR_COMMAND_SYNTAX_ERROR;
276 COMMAND_PARSE_NUMBER(u16, CMD_ARGV[0], hl_if.param.vid);
277 COMMAND_PARSE_NUMBER(u16, CMD_ARGV[1], hl_if.param.pid);
282 COMMAND_HANDLER(interface_handle_hla_command)
285 return ERROR_COMMAND_SYNTAX_ERROR;
287 if (!hl_if.layout->api->custom_command) {
288 LOG_ERROR("The selected adapter doesn't support custom commands");
292 hl_if.layout->api->custom_command(hl_if.handle, CMD_ARGV[0]);
297 static const struct command_registration hl_interface_command_handlers[] = {
299 .name = "hla_device_desc",
300 .handler = &hl_interface_handle_device_desc_command,
301 .mode = COMMAND_CONFIG,
302 .help = "set the a device description of the adapter",
303 .usage = "description_string",
306 .name = "hla_serial",
307 .handler = &hl_interface_handle_serial_command,
308 .mode = COMMAND_CONFIG,
309 .help = "set the serial number of the adapter",
310 .usage = "serial_string",
313 .name = "hla_layout",
314 .handler = &hl_interface_handle_layout_command,
315 .mode = COMMAND_CONFIG,
316 .help = "set the layout of the adapter",
317 .usage = "layout_name",
320 .name = "hla_vid_pid",
321 .handler = &hl_interface_handle_vid_pid_command,
322 .mode = COMMAND_CONFIG,
323 .help = "the vendor and product ID of the adapter",
324 .usage = "(vid pid)* ",
327 .name = "hla_command",
328 .handler = &interface_handle_hla_command,
329 .mode = COMMAND_EXEC,
330 .help = "execute a custom adapter-specific command",
331 .usage = "hla_command <command>",
333 COMMAND_REGISTRATION_DONE
336 struct jtag_interface hl_interface = {
339 .commands = hl_interface_command_handlers,
340 .transports = hl_transports,
341 .init = hl_interface_init,
342 .quit = hl_interface_quit,
343 .execute_queue = hl_interface_execute_queue,
344 .speed = &hl_interface_speed,
345 .khz = &hl_interface_khz,
346 .speed_div = &hl_interface_speed_div,
347 .config_trace = &hl_interface_config_trace,
348 .poll_trace = &hl_interface_poll_trace,