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 return stlink_if
.layout
->open(&stlink_if
);
49 int stlink_interface_init_target(struct target
*t
)
53 LOG_DEBUG("stlink_interface_init_target");
55 /* this is the interface for the current target and we
56 * can setup the private pointer in the tap structure
57 * if the interface match the tap idcode
59 res
= stlink_if
.layout
->api
->idcode(stlink_if
.fd
, &t
->tap
->idcode
);
64 unsigned ii
, limit
= t
->tap
->expected_ids_cnt
;
67 for (ii
= 0; ii
< limit
; ii
++) {
68 uint32_t expected
= t
->tap
->expected_ids
[ii
];
70 /* treat "-expected-id 0" as a "don't-warn" wildcard */
71 if (!expected
|| (t
->tap
->idcode
== expected
)) {
78 LOG_ERROR("stlink_interface_init_target: target not found: idcode: 0x%08x",
83 t
->tap
->priv
= &stlink_if
;
84 t
->tap
->hasidcode
= 1;
89 static int stlink_interface_init(void)
91 LOG_DEBUG("stlink_interface_init");
93 /* here we can initialize the layout */
94 return stlink_layout_init(&stlink_if
);
97 static int stlink_interface_quit(void)
99 LOG_DEBUG("stlink_interface_quit");
104 static int stlink_interface_speed(int speed
)
106 LOG_DEBUG("stlink_interface_speed: ignore speed %d", speed
);
111 static int stlink_speed_div(int speed
, int *khz
)
117 static int stlink_khz(int khz
, int *jtag_speed
)
123 static int stlink_interface_execute_queue(void)
125 LOG_DEBUG("stlink_interface_execute_queue: ignored");
130 COMMAND_HANDLER(stlink_interface_handle_device_desc_command
)
132 LOG_DEBUG("stlink_interface_handle_device_desc_command");
135 stlink_if
.param
.device_desc
= strdup(CMD_ARGV
[0]);
138 ("expected exactly one argument to stlink_device_desc <description>");
144 COMMAND_HANDLER(stlink_interface_handle_serial_command
)
146 LOG_DEBUG("stlink_interface_handle_serial_command");
149 stlink_if
.param
.serial
= strdup(CMD_ARGV
[0]);
152 ("expected exactly one argument to stlink_serial <serial-number>");
158 COMMAND_HANDLER(stlink_interface_handle_layout_command
)
160 LOG_DEBUG("stlink_interface_handle_layout_command");
163 LOG_ERROR("Need exactly one argument to stlink_layout");
164 return ERROR_COMMAND_SYNTAX_ERROR
;
167 if (stlink_if
.layout
) {
168 LOG_ERROR("already specified stlink_layout %s",
169 stlink_if
.layout
->name
);
170 return (strcmp(stlink_if
.layout
->name
, CMD_ARGV
[0]) != 0)
171 ? ERROR_FAIL
: ERROR_OK
;
174 for (const struct stlink_layout
*l
= stlink_layout_get_list(); l
->name
;
176 if (strcmp(l
->name
, CMD_ARGV
[0]) == 0) {
177 stlink_if
.layout
= l
;
182 LOG_ERROR("No STLINK layout '%s' found", CMD_ARGV
[0]);
186 COMMAND_HANDLER(stlink_interface_handle_vid_pid_command
)
188 LOG_DEBUG("stlink_interface_handle_vid_pid_command");
192 ("ignoring extra IDs in stlink_vid_pid (maximum is 1 pair)");
193 return ERROR_COMMAND_SYNTAX_ERROR
;
196 COMMAND_PARSE_NUMBER(u16
, CMD_ARGV
[0], stlink_if
.param
.vid
);
197 COMMAND_PARSE_NUMBER(u16
, CMD_ARGV
[1], stlink_if
.param
.pid
);
202 COMMAND_HANDLER(stlink_interface_handle_api_command
)
205 return ERROR_COMMAND_SYNTAX_ERROR
;
208 COMMAND_PARSE_NUMBER(uint
, CMD_ARGV
[0], new_api
);
209 if ((new_api
== 0) || (new_api
> 2))
210 return ERROR_COMMAND_SYNTAX_ERROR
;
212 stlink_if
.param
.api
= new_api
;
217 static const struct command_registration stlink_interface_command_handlers
[] = {
219 .name
= "stlink_device_desc",
220 .handler
= &stlink_interface_handle_device_desc_command
,
221 .mode
= COMMAND_CONFIG
,
222 .help
= "set the stlink device description of the STLINK device",
223 .usage
= "description_string",
226 .name
= "stlink_serial",
227 .handler
= &stlink_interface_handle_serial_command
,
228 .mode
= COMMAND_CONFIG
,
229 .help
= "set the serial number of the STLINK device",
230 .usage
= "serial_string",
233 .name
= "stlink_layout",
234 .handler
= &stlink_interface_handle_layout_command
,
235 .mode
= COMMAND_CONFIG
,
236 .help
= "set the layout of the STLINK to usb or sg",
237 .usage
= "layout_name",
240 .name
= "stlink_vid_pid",
241 .handler
= &stlink_interface_handle_vid_pid_command
,
242 .mode
= COMMAND_CONFIG
,
243 .help
= "the vendor and product ID of the STLINK device",
244 .usage
= "(vid pid)* ",
247 .name
= "stlink_api",
248 .handler
= &stlink_interface_handle_api_command
,
249 .mode
= COMMAND_CONFIG
,
250 .help
= "set the desired stlink api level",
251 .usage
= "api version 1 or 2",
253 COMMAND_REGISTRATION_DONE
256 struct jtag_interface stlink_interface
= {
259 .commands
= stlink_interface_command_handlers
,
260 .transports
= stlink_transports
,
261 .init
= stlink_interface_init
,
262 .quit
= stlink_interface_quit
,
263 .speed
= stlink_interface_speed
,
264 .speed_div
= stlink_speed_div
,
266 .execute_queue
= stlink_interface_execute_queue
,