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 hl_swd_transport_subcommand_handlers[] = {
51 .mode = COMMAND_CONFIG,
52 .jim_handler = jim_hl_newtap,
53 .help = "declare a new SWD DAP",
55 COMMAND_REGISTRATION_DONE
58 static const struct command_registration hl_swd_transport_command_handlers[] = {
62 .help = "SWD command group",
64 .chain = hl_swd_transport_subcommand_handlers,
66 COMMAND_REGISTRATION_DONE
69 static const struct command_registration hl_transport_jtag_subcommand_handlers[] = {
72 .mode = COMMAND_CONFIG,
73 .jim_handler = jim_hl_newtap,
74 .help = "Create a new TAP instance named basename.tap_type, "
75 "and appends it to the scan chain.",
76 .usage = "basename tap_type '-irlen' count "
77 "['-expected_id' number]",
82 .handler = hl_transport_jtag_command,
88 .handler = hl_transport_jtag_command,
92 .name = "arp_init-reset",
94 .handler = hl_transport_reset_command,
98 .name = "tapisenabled",
100 .jim_handler = jim_jtag_tap_enabler,
104 .mode = COMMAND_EXEC,
105 .jim_handler = jim_jtag_tap_enabler,
108 .name = "tapdisable",
109 .mode = COMMAND_EXEC,
110 .handler = hl_transport_jtag_command,
115 .mode = COMMAND_EXEC,
116 .handler = hl_transport_jtag_command,
121 .mode = COMMAND_EXEC,
122 .jim_handler = jim_jtag_configure,
127 .handler = hl_transport_jtag_command,
131 COMMAND_REGISTRATION_DONE
134 static const struct command_registration hl_jtag_transport_command_handlers[] = {
138 .help = "perform jtag tap actions",
140 .chain = hl_transport_jtag_subcommand_handlers,
143 .name = "jtag_ntrst_delay",
145 .handler = hl_transport_jtag_command,
148 COMMAND_REGISTRATION_DONE
152 static int hl_transport_init(struct command_context *cmd_ctx)
154 LOG_DEBUG("hl_transport_init");
155 struct target *t = get_current_target(cmd_ctx);
156 struct transport *transport;
157 enum hl_transports tr;
160 LOG_ERROR("no current target");
164 transport = get_current_transport();
167 LOG_ERROR("no transport selected");
171 LOG_DEBUG("current transport %s", transport->name);
173 /* get selected transport as enum */
174 tr = HL_TRANSPORT_UNKNOWN;
176 if (strcmp(transport->name, "hla_swd") == 0)
177 tr = HL_TRANSPORT_SWD;
178 else if (strcmp(transport->name, "hla_jtag") == 0)
179 tr = HL_TRANSPORT_JTAG;
181 int retval = hl_interface_open(tr);
183 if (retval != ERROR_OK)
186 return hl_interface_init_target(t);
189 static int hl_jtag_transport_select(struct command_context *cmd_ctx)
191 LOG_DEBUG("hl_jtag_transport_select");
193 /* NOTE: interface init must already have been done.
194 * That works with only C code ... no Tcl glue required.
197 return register_commands(cmd_ctx, NULL, hl_jtag_transport_command_handlers);
200 static int hl_swd_transport_select(struct command_context *cmd_ctx)
202 LOG_DEBUG("hl_swd_transport_select");
203 return register_commands(cmd_ctx, NULL, hl_swd_transport_command_handlers);
206 static struct transport hl_swd_transport = {
208 .select = hl_swd_transport_select,
209 .init = hl_transport_init,
210 .override_target = hl_interface_override_target,
213 static struct transport hl_jtag_transport = {
215 .select = hl_jtag_transport_select,
216 .init = hl_transport_init,
217 .override_target = hl_interface_override_target,
220 const char *hl_transports[] = { "hla_swd", "hla_jtag", NULL };
222 static void hl_constructor(void) __attribute__ ((constructor));
223 static void hl_constructor(void)
225 transport_register(&hl_swd_transport);
226 transport_register(&hl_jtag_transport);
229 bool transport_is_hla(void)
232 t = get_current_transport();
233 return t == &hl_swd_transport || t == &hl_jtag_transport;