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, write to the *
20 * Free Software Foundation, Inc., *
21 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
22 ***************************************************************************/
28 /* project specific includes */
29 #include <jtag/interface.h>
30 #include <transport/transport.h>
31 #include <helper/time_support.h>
33 #include <jtag/hla/hla_tcl.h>
34 #include <jtag/hla/hla_layout.h>
35 #include <jtag/hla/hla_transport.h>
36 #include <jtag/hla/hla_interface.h>
38 #include <target/target.h>
40 static struct hl_interface_s hl_if
= { {0, 0, 0, 0, 0, HL_TRANSPORT_UNKNOWN
, false, -1}, 0, 0 };
42 int hl_interface_open(enum hl_transports tr
)
44 LOG_DEBUG("hl_interface_open");
46 enum reset_types jtag_reset_config
= jtag_get_reset_config();
48 if (jtag_reset_config
& RESET_CNCT_UNDER_SRST
) {
49 if (jtag_reset_config
& RESET_SRST_NO_GATING
)
50 hl_if
.param
.connect_under_reset
= true;
52 LOG_WARNING("\'srst_nogate\' reset_config option is required");
55 /* set transport mode */
56 hl_if
.param
.transport
= tr
;
58 int result
= hl_if
.layout
->open(&hl_if
);
59 if (result
!= ERROR_OK
)
62 return hl_interface_init_reset();
65 int hl_interface_init_target(struct target
*t
)
69 LOG_DEBUG("hl_interface_init_target");
71 /* this is the interface for the current target and we
72 * can setup the private pointer in the tap structure
73 * if the interface match the tap idcode
75 res
= hl_if
.layout
->api
->idcode(hl_if
.handle
, &t
->tap
->idcode
);
80 unsigned ii
, limit
= t
->tap
->expected_ids_cnt
;
83 for (ii
= 0; ii
< limit
; ii
++) {
84 uint32_t expected
= t
->tap
->expected_ids
[ii
];
86 /* treat "-expected-id 0" as a "don't-warn" wildcard */
87 if (!expected
|| !t
->tap
->idcode
||
88 (t
->tap
->idcode
== expected
)) {
95 LOG_WARNING("UNEXPECTED idcode: 0x%08" PRIx32
, t
->tap
->idcode
);
96 for (ii
= 0; ii
< limit
; ii
++)
97 LOG_ERROR("expected %u of %u: 0x%08" PRIx32
, ii
+ 1, limit
,
98 t
->tap
->expected_ids
[ii
]);
103 t
->tap
->priv
= &hl_if
;
104 t
->tap
->hasidcode
= 1;
109 static int hl_interface_init(void)
111 LOG_DEBUG("hl_interface_init");
113 /* here we can initialize the layout */
114 return hl_layout_init(&hl_if
);
117 static int hl_interface_quit(void)
119 LOG_DEBUG("hl_interface_quit");
121 if (hl_if
.layout
->api
->close
)
122 hl_if
.layout
->api
->close(hl_if
.handle
);
127 static int hl_interface_execute_queue(void)
129 LOG_DEBUG("hl_interface_execute_queue: ignored");
134 int hl_interface_init_reset(void)
136 /* incase the adapter has not already handled asserting srst
137 * we will attempt it again */
138 if (hl_if
.param
.connect_under_reset
) {
139 jtag_add_reset(0, 1);
140 hl_if
.layout
->api
->assert_srst(hl_if
.handle
, 0);
142 jtag_add_reset(0, 0);
148 static int hl_interface_khz(int khz
, int *jtag_speed
)
150 if (hl_if
.layout
->api
->speed
== NULL
)
153 *jtag_speed
= hl_if
.layout
->api
->speed(hl_if
.handle
, khz
, true);
157 static int hl_interface_speed_div(int speed
, int *khz
)
163 static int hl_interface_speed(int speed
)
165 if (hl_if
.layout
->api
->speed
== NULL
)
168 if (hl_if
.handle
== NULL
) {
169 /* pass speed as initial param as interface not open yet */
170 hl_if
.param
.initial_interface_speed
= speed
;
174 hl_if
.layout
->api
->speed(hl_if
.handle
, speed
, false);
179 int hl_interface_override_target(const char **targetname
)
181 if (hl_if
.layout
->api
->override_target
) {
182 if (hl_if
.layout
->api
->override_target(*targetname
)) {
183 *targetname
= "hla_target";
191 int hl_interface_config_trace(bool enabled
, enum tpio_pin_protocol pin_protocol
,
192 uint32_t port_size
, unsigned int *trace_freq
)
194 if (hl_if
.layout
->api
->config_trace
)
195 return hl_if
.layout
->api
->config_trace(hl_if
.handle
, enabled
, pin_protocol
,
196 port_size
, trace_freq
);
198 LOG_ERROR("The selected interface does not support tracing");
205 int hl_interface_poll_trace(uint8_t *buf
, size_t *size
)
207 if (hl_if
.layout
->api
->poll_trace
)
208 return hl_if
.layout
->api
->poll_trace(hl_if
.handle
, buf
, size
);
213 COMMAND_HANDLER(hl_interface_handle_device_desc_command
)
215 LOG_DEBUG("hl_interface_handle_device_desc_command");
218 hl_if
.param
.device_desc
= strdup(CMD_ARGV
[0]);
220 LOG_ERROR("expected exactly one argument to hl_device_desc <description>");
226 COMMAND_HANDLER(hl_interface_handle_serial_command
)
228 LOG_DEBUG("hl_interface_handle_serial_command");
231 hl_if
.param
.serial
= strdup(CMD_ARGV
[0]);
233 LOG_ERROR("expected exactly one argument to hl_serial <serial-number>");
239 COMMAND_HANDLER(hl_interface_handle_layout_command
)
241 LOG_DEBUG("hl_interface_handle_layout_command");
244 LOG_ERROR("Need exactly one argument to stlink_layout");
245 return ERROR_COMMAND_SYNTAX_ERROR
;
249 LOG_ERROR("already specified hl_layout %s",
251 return (strcmp(hl_if
.layout
->name
, CMD_ARGV
[0]) != 0)
252 ? ERROR_FAIL
: ERROR_OK
;
255 for (const struct hl_layout
*l
= hl_layout_get_list(); l
->name
;
257 if (strcmp(l
->name
, CMD_ARGV
[0]) == 0) {
263 LOG_ERROR("No adapter layout '%s' found", CMD_ARGV
[0]);
267 COMMAND_HANDLER(hl_interface_handle_vid_pid_command
)
269 LOG_DEBUG("hl_interface_handle_vid_pid_command");
272 LOG_WARNING("ignoring extra IDs in hl_vid_pid (maximum is 1 pair)");
273 return ERROR_COMMAND_SYNTAX_ERROR
;
276 COMMAND_PARSE_NUMBER(u16
, CMD_ARGV
[0], hl_if
.param
.vid
);
277 COMMAND_PARSE_NUMBER(u16
, CMD_ARGV
[1], hl_if
.param
.pid
);
282 COMMAND_HANDLER(interface_handle_hla_command
)
285 return ERROR_COMMAND_SYNTAX_ERROR
;
287 if (!hl_if
.layout
->api
->custom_command
) {
288 LOG_ERROR("The selected adapter doesn't support custom commands");
292 hl_if
.layout
->api
->custom_command(hl_if
.handle
, CMD_ARGV
[0]);
297 static const struct command_registration hl_interface_command_handlers
[] = {
299 .name
= "hla_device_desc",
300 .handler
= &hl_interface_handle_device_desc_command
,
301 .mode
= COMMAND_CONFIG
,
302 .help
= "set the a device description of the adapter",
303 .usage
= "description_string",
306 .name
= "hla_serial",
307 .handler
= &hl_interface_handle_serial_command
,
308 .mode
= COMMAND_CONFIG
,
309 .help
= "set the serial number of the adapter",
310 .usage
= "serial_string",
313 .name
= "hla_layout",
314 .handler
= &hl_interface_handle_layout_command
,
315 .mode
= COMMAND_CONFIG
,
316 .help
= "set the layout of the adapter",
317 .usage
= "layout_name",
320 .name
= "hla_vid_pid",
321 .handler
= &hl_interface_handle_vid_pid_command
,
322 .mode
= COMMAND_CONFIG
,
323 .help
= "the vendor and product ID of the adapter",
324 .usage
= "(vid pid)* ",
327 .name
= "hla_command",
328 .handler
= &interface_handle_hla_command
,
329 .mode
= COMMAND_EXEC
,
330 .help
= "execute a custom adapter-specific command",
331 .usage
= "hla_command <command>",
333 COMMAND_REGISTRATION_DONE
336 struct jtag_interface hl_interface
= {
339 .commands
= hl_interface_command_handlers
,
340 .transports
= hl_transports
,
341 .init
= hl_interface_init
,
342 .quit
= hl_interface_quit
,
343 .execute_queue
= hl_interface_execute_queue
,
344 .speed
= &hl_interface_speed
,
345 .khz
= &hl_interface_khz
,
346 .speed_div
= &hl_interface_speed_div
,
347 .config_trace
= &hl_interface_config_trace
,
348 .poll_trace
= &hl_interface_poll_trace
,
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