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, see <http://www.gnu.org/licenses/>. *
20 ***************************************************************************/
26 /* project specific includes */
27 #include <jtag/interface.h>
29 #include <transport/transport.h>
30 #include <helper/time_support.h>
31 #include <target/target.h>
32 #include <jtag/hla/hla_tcl.h>
33 #include <jtag/hla/hla_transport.h>
34 #include <jtag/hla/hla_interface.h>
36 COMMAND_HANDLER(hl_transport_jtag_command
)
38 LOG_DEBUG("hl_transport_jtag_command");
43 COMMAND_HANDLER(hl_transport_reset_command
)
45 return hl_interface_init_reset();
48 static const struct command_registration
49 hl_swd_transport_subcommand_handlers
[] = {
52 .mode
= COMMAND_CONFIG
,
53 .jim_handler
= jim_hl_newtap
,
54 .help
= "declare a new SWD DAP",
56 COMMAND_REGISTRATION_DONE
59 static const struct command_registration hl_swd_transport_command_handlers
[] = {
63 .help
= "SWD command group",
65 .chain
= hl_swd_transport_subcommand_handlers
,
67 COMMAND_REGISTRATION_DONE
70 static const struct command_registration
71 hl_transport_jtag_subcommand_handlers
[] = {
74 .mode
= COMMAND_CONFIG
,
75 .jim_handler
= jim_hl_newtap
,
76 .help
= "Create a new TAP instance named basename.tap_type, "
77 "and appends it to the scan chain.",
78 .usage
= "basename tap_type '-irlen' count "
79 "['-expected_id' number]",
84 .handler
= hl_transport_jtag_command
,
90 .handler
= hl_transport_jtag_command
,
94 .name
= "arp_init-reset",
96 .handler
= hl_transport_reset_command
,
100 .name
= "tapisenabled",
101 .mode
= COMMAND_EXEC
,
102 .jim_handler
= jim_jtag_tap_enabler
,
106 .mode
= COMMAND_EXEC
,
107 .jim_handler
= jim_jtag_tap_enabler
,
110 .name
= "tapdisable",
111 .mode
= COMMAND_EXEC
,
112 .handler
= hl_transport_jtag_command
,
117 .mode
= COMMAND_EXEC
,
118 .handler
= hl_transport_jtag_command
,
123 .mode
= COMMAND_EXEC
,
124 .jim_handler
= jim_jtag_configure
,
129 .handler
= hl_transport_jtag_command
,
133 COMMAND_REGISTRATION_DONE
136 static const struct command_registration hl_jtag_transport_command_handlers
[] = {
140 .help
= "perform jtag tap actions",
142 .chain
= hl_transport_jtag_subcommand_handlers
,
145 .name
= "jtag_ntrst_delay",
147 .handler
= hl_transport_jtag_command
,
150 COMMAND_REGISTRATION_DONE
154 static int hl_transport_init(struct command_context
*cmd_ctx
)
156 LOG_DEBUG("hl_transport_init");
157 struct target
*t
= get_current_target(cmd_ctx
);
158 struct transport
*transport
;
159 enum hl_transports tr
;
162 LOG_ERROR("no current target");
166 transport
= get_current_transport();
169 LOG_ERROR("no transport selected");
173 LOG_DEBUG("current transport %s", transport
->name
);
175 /* get selected transport as enum */
176 tr
= HL_TRANSPORT_UNKNOWN
;
178 if (strcmp(transport
->name
, "hla_swd") == 0)
179 tr
= HL_TRANSPORT_SWD
;
180 else if (strcmp(transport
->name
, "hla_jtag") == 0)
181 tr
= HL_TRANSPORT_JTAG
;
183 int retval
= hl_interface_open(tr
);
185 if (retval
!= ERROR_OK
)
188 return hl_interface_init_target(t
);
191 static int hl_jtag_transport_select(struct command_context
*cmd_ctx
)
193 LOG_DEBUG("hl_jtag_transport_select");
195 /* NOTE: interface init must already have been done.
196 * That works with only C code ... no Tcl glue required.
199 return register_commands(cmd_ctx
, NULL
,
200 hl_jtag_transport_command_handlers
);
203 static int hl_swd_transport_select(struct command_context
*cmd_ctx
)
205 LOG_DEBUG("hl_swd_transport_select");
206 return register_commands(cmd_ctx
, NULL
,
207 hl_swd_transport_command_handlers
);
210 static struct transport hl_swd_transport
= {
212 .select
= hl_swd_transport_select
,
213 .init
= hl_transport_init
,
214 .override_target
= hl_interface_override_target
,
217 static struct transport hl_jtag_transport
= {
219 .select
= hl_jtag_transport_select
,
220 .init
= hl_transport_init
,
221 .override_target
= hl_interface_override_target
,
224 const char *hl_transports
[] = { "hla_swd", "hla_jtag", NULL
};
226 static void hl_constructor(void) __attribute__ ((constructor
));
227 static void hl_constructor(void)
229 transport_register(&hl_swd_transport
);
230 transport_register(&hl_jtag_transport
);
233 bool transport_is_hla(void)
236 t
= get_current_transport();
237 return t
== &hl_swd_transport
|| t
== &hl_jtag_transport
;