1 /***************************************************************************
2 * Copyright (C) 2011 by Mathias Kuester *
3 * Mathias Kuester <kesmtp@freenet.de> *
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, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
25 /* project specific includes */
26 #include <jtag/interface.h>
27 #include <transport/transport.h>
28 #include <helper/time_support.h>
30 #include <jtag/stlink/stlink_tcl.h>
31 #include <jtag/stlink/stlink_layout.h>
32 #include <jtag/stlink/stlink_transport.h>
33 #include <jtag/stlink/stlink_interface.h>
35 #include <target/target.h>
37 static struct stlink_interface_s stlink_if
= { {0, 0, 0, 0, 0, 0}, 0, 0 };
39 int stlink_interface_open(enum stlink_transports tr
)
41 LOG_DEBUG("stlink_interface_open");
43 /* set transport mode */
44 stlink_if
.param
.transport
= tr
;
46 int result
= stlink_if
.layout
->open(&stlink_if
);
47 if (result
!= ERROR_OK
)
50 return stlink_interface_init_reset();
53 int stlink_interface_init_target(struct target
*t
)
57 LOG_DEBUG("stlink_interface_init_target");
59 /* this is the interface for the current target and we
60 * can setup the private pointer in the tap structure
61 * if the interface match the tap idcode
63 res
= stlink_if
.layout
->api
->idcode(stlink_if
.fd
, &t
->tap
->idcode
);
68 unsigned ii
, limit
= t
->tap
->expected_ids_cnt
;
71 for (ii
= 0; ii
< limit
; ii
++) {
72 uint32_t expected
= t
->tap
->expected_ids
[ii
];
74 /* treat "-expected-id 0" as a "don't-warn" wildcard */
75 if (!expected
|| (t
->tap
->idcode
== expected
)) {
82 LOG_ERROR("stlink_interface_init_target: target not found: idcode: 0x%08x",
87 t
->tap
->priv
= &stlink_if
;
88 t
->tap
->hasidcode
= 1;
93 static int stlink_interface_init(void)
95 LOG_DEBUG("stlink_interface_init");
97 /* here we can initialize the layout */
98 return stlink_layout_init(&stlink_if
);
101 static int stlink_interface_quit(void)
103 LOG_DEBUG("stlink_interface_quit");
108 static int stlink_interface_speed(int speed
)
110 LOG_DEBUG("stlink_interface_speed: ignore speed %d", speed
);
115 static int stlink_speed_div(int speed
, int *khz
)
121 static int stlink_khz(int khz
, int *jtag_speed
)
127 static int stlink_interface_execute_queue(void)
129 LOG_DEBUG("stlink_interface_execute_queue: ignored");
134 int stlink_interface_init_reset(void)
136 enum reset_types jtag_reset_config
= jtag_get_reset_config();
138 if (jtag_reset_config
& RESET_CNCT_UNDER_SRST
) {
139 if (jtag_reset_config
& RESET_SRST_NO_GATING
) {
140 jtag_add_reset(0, 1);
141 stlink_if
.layout
->api
->assert_srst(stlink_if
.fd
, 0);
143 LOG_WARNING("\'srst_nogate\' reset_config option is required");
149 COMMAND_HANDLER(stlink_interface_handle_device_desc_command
)
151 LOG_DEBUG("stlink_interface_handle_device_desc_command");
154 stlink_if
.param
.device_desc
= strdup(CMD_ARGV
[0]);
157 ("expected exactly one argument to stlink_device_desc <description>");
163 COMMAND_HANDLER(stlink_interface_handle_serial_command
)
165 LOG_DEBUG("stlink_interface_handle_serial_command");
168 stlink_if
.param
.serial
= strdup(CMD_ARGV
[0]);
171 ("expected exactly one argument to stlink_serial <serial-number>");
177 COMMAND_HANDLER(stlink_interface_handle_layout_command
)
179 LOG_DEBUG("stlink_interface_handle_layout_command");
182 LOG_ERROR("Need exactly one argument to stlink_layout");
183 return ERROR_COMMAND_SYNTAX_ERROR
;
186 if (stlink_if
.layout
) {
187 LOG_ERROR("already specified stlink_layout %s",
188 stlink_if
.layout
->name
);
189 return (strcmp(stlink_if
.layout
->name
, CMD_ARGV
[0]) != 0)
190 ? ERROR_FAIL
: ERROR_OK
;
193 for (const struct stlink_layout
*l
= stlink_layout_get_list(); l
->name
;
195 if (strcmp(l
->name
, CMD_ARGV
[0]) == 0) {
196 stlink_if
.layout
= l
;
201 LOG_ERROR("No STLINK layout '%s' found", CMD_ARGV
[0]);
205 COMMAND_HANDLER(stlink_interface_handle_vid_pid_command
)
207 LOG_DEBUG("stlink_interface_handle_vid_pid_command");
211 ("ignoring extra IDs in stlink_vid_pid (maximum is 1 pair)");
212 return ERROR_COMMAND_SYNTAX_ERROR
;
215 COMMAND_PARSE_NUMBER(u16
, CMD_ARGV
[0], stlink_if
.param
.vid
);
216 COMMAND_PARSE_NUMBER(u16
, CMD_ARGV
[1], stlink_if
.param
.pid
);
221 COMMAND_HANDLER(stlink_interface_handle_api_command
)
224 return ERROR_COMMAND_SYNTAX_ERROR
;
227 COMMAND_PARSE_NUMBER(uint
, CMD_ARGV
[0], new_api
);
228 if ((new_api
== 0) || (new_api
> 2))
229 return ERROR_COMMAND_SYNTAX_ERROR
;
231 stlink_if
.param
.api
= new_api
;
236 static const struct command_registration stlink_interface_command_handlers
[] = {
238 .name
= "stlink_device_desc",
239 .handler
= &stlink_interface_handle_device_desc_command
,
240 .mode
= COMMAND_CONFIG
,
241 .help
= "set the stlink device description of the STLINK device",
242 .usage
= "description_string",
245 .name
= "stlink_serial",
246 .handler
= &stlink_interface_handle_serial_command
,
247 .mode
= COMMAND_CONFIG
,
248 .help
= "set the serial number of the STLINK device",
249 .usage
= "serial_string",
252 .name
= "stlink_layout",
253 .handler
= &stlink_interface_handle_layout_command
,
254 .mode
= COMMAND_CONFIG
,
255 .help
= "set the layout of the STLINK to usb or sg",
256 .usage
= "layout_name",
259 .name
= "stlink_vid_pid",
260 .handler
= &stlink_interface_handle_vid_pid_command
,
261 .mode
= COMMAND_CONFIG
,
262 .help
= "the vendor and product ID of the STLINK device",
263 .usage
= "(vid pid)* ",
266 .name
= "stlink_api",
267 .handler
= &stlink_interface_handle_api_command
,
268 .mode
= COMMAND_CONFIG
,
269 .help
= "set the desired stlink api level",
270 .usage
= "api version 1 or 2",
272 COMMAND_REGISTRATION_DONE
275 struct jtag_interface stlink_interface
= {
278 .commands
= stlink_interface_command_handlers
,
279 .transports
= stlink_transports
,
280 .init
= stlink_interface_init
,
281 .quit
= stlink_interface_quit
,
282 .speed
= stlink_interface_speed
,
283 .speed_div
= stlink_speed_div
,
285 .execute_queue
= stlink_interface_execute_queue
,