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>
28 #include <transport/transport.h>
29 #include <helper/time_support.h>
30 #include <target/target.h>
31 #include <jtag/stlink/stlink_tcl.h>
32 #include <jtag/stlink/stlink_transport.h>
33 #include <jtag/stlink/stlink_interface.h>
35 COMMAND_HANDLER(stlink_transport_jtag_command
)
37 LOG_DEBUG("stlink_transport_jtag_command");
42 static const struct command_registration
43 stlink_transport_stlink_subcommand_handlers
[] = {
46 .mode
= COMMAND_CONFIG
,
47 .jim_handler
= jim_stlink_newtap
,
48 .help
= "Create a new TAP instance named basename.tap_type, "
49 "and appends it to the scan chain.",
50 .usage
= "basename tap_type '-irlen' count "
51 "['-expected_id' number] ",
54 COMMAND_REGISTRATION_DONE
57 static const struct command_registration
58 stlink_transport_jtag_subcommand_handlers
[] = {
62 .handler
= stlink_transport_jtag_command
,
68 .handler
= stlink_transport_jtag_command
,
72 .name
= "arp_init-reset",
74 .handler
= stlink_transport_jtag_command
,
78 .name
= "tapisenabled",
80 .jim_handler
= jim_jtag_tap_enabler
,
85 .jim_handler
= jim_jtag_tap_enabler
,
90 .handler
= stlink_transport_jtag_command
,
96 .handler
= stlink_transport_jtag_command
,
101 .mode
= COMMAND_EXEC
,
102 .jim_handler
= jim_jtag_configure
,
107 .handler
= stlink_transport_jtag_command
,
111 COMMAND_REGISTRATION_DONE
114 static const struct command_registration stlink_transport_command_handlers
[] = {
119 .help
= "perform stlink actions",
121 .chain
= stlink_transport_stlink_subcommand_handlers
,
127 .chain
= stlink_transport_jtag_subcommand_handlers
,
129 COMMAND_REGISTRATION_DONE
132 static int stlink_transport_register_commands(struct command_context
*cmd_ctx
)
134 return register_commands(cmd_ctx
, NULL
,
135 stlink_transport_command_handlers
);
138 static int stlink_transport_init(struct command_context
*cmd_ctx
)
140 LOG_DEBUG("stlink_transport_init");
141 struct target
*t
= get_current_target(cmd_ctx
);
142 struct transport
*transport
;
143 enum stlink_transports tr
;
146 LOG_ERROR("no current target");
150 transport
= get_current_transport();
153 LOG_ERROR("no transport selected");
157 LOG_DEBUG("current transport %s", transport
->name
);
159 /* get selected transport as enum */
160 tr
= STLINK_TRANSPORT_UNKNOWN
;
162 if (strcmp(transport
->name
, "stlink_swd") == 0)
163 tr
= STLINK_TRANSPORT_SWD
;
164 else if (strcmp(transport
->name
, "stlink_jtag") == 0)
165 tr
= STLINK_TRANSPORT_JTAG
;
166 else if (strcmp(transport
->name
, "stlink_swim") == 0)
167 tr
= STLINK_TRANSPORT_SWIM
;
169 int retval
= stlink_interface_open(tr
);
171 if (retval
!= ERROR_OK
)
174 return stlink_interface_init_target(t
);
177 static int stlink_transport_select(struct command_context
*ctx
)
179 LOG_DEBUG("stlink_transport_select");
183 /* NOTE: interface init must already have been done.
184 * That works with only C code ... no Tcl glue required.
187 retval
= stlink_transport_register_commands(ctx
);
189 if (retval
!= ERROR_OK
)
195 static struct transport stlink_swd_transport
= {
196 .name
= "stlink_swd",
197 .select
= stlink_transport_select
,
198 .init
= stlink_transport_init
,
201 static struct transport stlink_jtag_transport
= {
202 .name
= "stlink_jtag",
203 .select
= stlink_transport_select
,
204 .init
= stlink_transport_init
,
207 static struct transport stlink_swim_transport
= {
208 .name
= "stlink_swim",
209 .select
= stlink_transport_select
,
210 .init
= stlink_transport_init
,
213 const char *stlink_transports
[] = { "stlink_swd", "stlink_jtag", "stlink_swim", NULL
};
215 static void stlink_constructor(void) __attribute__ ((constructor
));
216 static void stlink_constructor(void)
218 transport_register(&stlink_swd_transport
);
219 transport_register(&stlink_jtag_transport
);
220 transport_register(&stlink_swim_transport
);
223 bool transport_is_stlink(void)
225 return get_current_transport() == &stlink_swd_transport
;