1 /***************************************************************************
2 * Copyright (C) 2009-2010 by Simon Qian <SimonQian@SimonQian.com> *
4 * This program is free software; you can redistribute it and/or modify *
5 * it under the terms of the GNU General Public License as published by *
6 * the Free Software Foundation; either version 2 of the License, or *
7 * (at your option) any later version. *
9 * This program is distributed in the hope that it will be useful, *
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
12 * GNU General Public License for more details. *
14 * You should have received a copy of the GNU General Public License *
15 * along with this program. If not, see <http://www.gnu.org/licenses/>. *
16 ***************************************************************************/
18 /* Versaloon is a programming tool for multiple MCUs.
19 * It's distributed under GPLv3.
20 * You can find it at http://www.Versaloon.com/.
27 #include <jtag/interface.h>
28 #include <jtag/commands.h>
32 #include "versaloon/versaloon_include.h"
33 #include "versaloon/versaloon.h"
35 static int vsllink_tms_offset;
37 struct pending_scan_result {
40 int length; /* Number of bits to read */
41 struct scan_command *command; /* Corresponding scan command */
44 bool last; /* indicate the last scan pending */
47 #define MAX_PENDING_SCAN_RESULTS 256
49 static int pending_scan_results_length;
50 static struct pending_scan_result
51 pending_scan_results_buffer[MAX_PENDING_SCAN_RESULTS];
53 /* Queue command functions */
54 static void vsllink_end_state(tap_state_t state);
55 static void vsllink_state_move(void);
56 static void vsllink_path_move(int num_states, tap_state_t *path);
57 static void vsllink_tms(int num_bits, const uint8_t *bits);
58 static void vsllink_runtest(int num_cycles);
59 static void vsllink_stableclocks(int num_cycles, int tms);
60 static void vsllink_scan(bool ir_scan, enum scan_type type,
61 uint8_t *buffer, int scan_size, struct scan_command *command);
62 static int vsllink_reset(int trst, int srst);
64 /* VSLLink tap buffer functions */
65 static void vsllink_tap_append_step(int tms, int tdi);
66 static void vsllink_tap_init(void);
67 static int vsllink_tap_execute(void);
68 static void vsllink_tap_ensure_pending(int scans);
69 static void vsllink_tap_append_scan(int length, uint8_t *buffer,
70 struct scan_command *command);
72 /* VSLLink SWD functions */
73 static int_least32_t vsllink_swd_frequency(int_least32_t hz);
74 static int vsllink_swd_switch_seq(enum swd_special_seq seq);
76 /* VSLLink lowlevel functions */
78 struct libusb_context *libusb_ctx;
79 struct libusb_device_handle *usb_device_handle;
82 static int vsllink_usb_open(struct vsllink *vsllink);
83 static void vsllink_usb_close(struct vsllink *vsllink);
85 static void vsllink_debug_buffer(uint8_t *buffer, int length);
87 static int tap_length;
88 static int tap_buffer_size;
89 static uint8_t *tms_buffer;
90 static uint8_t *tdi_buffer;
91 static uint8_t *tdo_buffer;
95 static struct vsllink *vsllink_handle;
97 static int vsllink_execute_queue(void)
99 struct jtag_command *cmd = jtag_command_queue;
104 LOG_DEBUG_IO("-------------------------------------"
106 "-------------------------------------");
111 LOG_DEBUG_IO("runtest %i cycles, end in %s",
112 cmd->cmd.runtest->num_cycles,
113 tap_state_name(cmd->cmd.runtest->end_state));
115 vsllink_end_state(cmd->cmd.runtest->end_state);
116 vsllink_runtest(cmd->cmd.runtest->num_cycles);
120 LOG_DEBUG_IO("statemove end in %s",
121 tap_state_name(cmd->cmd.statemove->end_state));
123 vsllink_end_state(cmd->cmd.statemove->end_state);
124 vsllink_state_move();
128 LOG_DEBUG_IO("pathmove: %i states, end in %s",
129 cmd->cmd.pathmove->num_states,
130 tap_state_name(cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]));
132 vsllink_path_move(cmd->cmd.pathmove->num_states, cmd->cmd.pathmove->path);
136 LOG_DEBUG_IO("JTAG Scan...");
138 vsllink_end_state(cmd->cmd.scan->end_state);
140 scan_size = jtag_build_buffer(
141 cmd->cmd.scan, &buffer);
143 if (cmd->cmd.scan->ir_scan)
145 "JTAG Scan write IR(%d bits), "
148 tap_state_name(cmd->cmd.scan->end_state));
152 "JTAG Scan write DR(%d bits), "
155 tap_state_name(cmd->cmd.scan->end_state));
157 if (LOG_LEVEL_IS(LOG_LVL_DEBUG_IO))
158 vsllink_debug_buffer(buffer, DIV_ROUND_UP(scan_size, 8));
160 type = jtag_scan_type(cmd->cmd.scan);
162 vsllink_scan(cmd->cmd.scan->ir_scan,
163 type, buffer, scan_size,
168 LOG_DEBUG_IO("sleep %" PRIu32, cmd->cmd.sleep->us);
169 vsllink_tap_execute();
170 jtag_sleep(cmd->cmd.sleep->us);
173 case JTAG_STABLECLOCKS:
174 LOG_DEBUG_IO("add %d clocks",
175 cmd->cmd.stableclocks->num_cycles);
177 switch (tap_get_state()) {
179 /* tms must be '1' to stay
189 /* else, tms should be '0' */
192 /* above stable states are OK */
194 LOG_ERROR("jtag_add_clocks() "
195 "in non-stable state \"%s\"",
196 tap_state_name(tap_get_state())
200 vsllink_stableclocks(cmd->cmd.stableclocks->num_cycles, scan_size);
204 LOG_DEBUG_IO("add %d jtag tms",
205 cmd->cmd.tms->num_bits);
207 vsllink_tms(cmd->cmd.tms->num_bits, cmd->cmd.tms->bits);
211 LOG_ERROR("BUG: unknown JTAG command type "
212 "encountered: %d", cmd->type);
218 return vsllink_tap_execute();
221 static int vsllink_speed(int speed)
224 vsllink_swd_frequency(speed * 1000);
228 versaloon_interface.adaptors.jtag_raw.config(0, (uint16_t)speed);
229 return versaloon_interface.adaptors.peripheral_commit();
232 static int vsllink_khz(int khz, int *jtag_speed)
239 static int vsllink_speed_div(int jtag_speed, int *khz)
246 static void vsllink_free_buffer(void)
258 static int vsllink_quit(void)
260 versaloon_interface.adaptors.gpio.config(0, GPIO_SRST | GPIO_TRST,
261 0, 0, GPIO_SRST | GPIO_TRST);
262 versaloon_interface.adaptors.gpio.fini(0);
265 versaloon_interface.adaptors.swd.fini(0);
267 versaloon_interface.adaptors.jtag_raw.fini(0);
269 versaloon_interface.adaptors.peripheral_commit();
270 versaloon_interface.fini();
272 vsllink_free_buffer();
273 vsllink_usb_close(vsllink_handle);
275 free(vsllink_handle);
280 static int vsllink_interface_init(void)
282 vsllink_handle = malloc(sizeof(struct vsllink));
283 if (!vsllink_handle) {
284 LOG_ERROR("unable to allocate memory");
288 libusb_init(&vsllink_handle->libusb_ctx);
290 if (vsllink_usb_open(vsllink_handle) != ERROR_OK) {
291 LOG_ERROR("Can't find USB JTAG Interface!"
292 "Please check connection and permissions.");
293 return ERROR_JTAG_INIT_FAILED;
295 LOG_DEBUG("vsllink found on %04X:%04X",
296 versaloon_interface.usb_setting.vid,
297 versaloon_interface.usb_setting.pid);
298 versaloon_usb_device_handle = vsllink_handle->usb_device_handle;
300 if (versaloon_interface.init() != ERROR_OK)
302 if (versaloon_interface.usb_setting.buf_size < 32) {
303 versaloon_interface.fini();
310 static int vsllink_init(void)
312 int retval = vsllink_interface_init();
313 if (retval != ERROR_OK)
316 versaloon_interface.adaptors.gpio.init(0);
317 versaloon_interface.adaptors.gpio.config(0, GPIO_SRST, 0, GPIO_SRST,
319 versaloon_interface.adaptors.delay.delayms(100);
320 versaloon_interface.adaptors.peripheral_commit();
323 versaloon_interface.adaptors.gpio.config(0, GPIO_TRST, 0,
324 GPIO_TRST, GPIO_TRST);
325 versaloon_interface.adaptors.swd.init(0);
326 vsllink_swd_frequency(jtag_get_speed_khz() * 1000);
327 vsllink_swd_switch_seq(JTAG_TO_SWD);
330 /* malloc buffer size for tap */
331 tap_buffer_size = versaloon_interface.usb_setting.buf_size / 2 - 32;
332 vsllink_free_buffer();
333 tdi_buffer = malloc(tap_buffer_size);
334 tdo_buffer = malloc(tap_buffer_size);
335 tms_buffer = malloc(tap_buffer_size);
336 if ((!tdi_buffer) || (!tdo_buffer) || (!tms_buffer)) {
341 versaloon_interface.adaptors.jtag_raw.init(0);
342 versaloon_interface.adaptors.jtag_raw.config(0, jtag_get_speed_khz());
343 versaloon_interface.adaptors.gpio.config(0, GPIO_SRST | GPIO_TRST,
344 GPIO_TRST, GPIO_SRST, GPIO_SRST);
347 if (versaloon_interface.adaptors.peripheral_commit() != ERROR_OK)
355 /**************************************************************************
356 * Queue command implementations */
358 static void vsllink_end_state(tap_state_t state)
360 if (tap_is_state_stable(state))
361 tap_set_end_state(state);
363 LOG_ERROR("BUG: %i is not a valid end state", state);
368 /* Goes to the end state. */
369 static void vsllink_state_move(void)
372 uint8_t tms_scan = tap_get_tms_path(tap_get_state(),
373 tap_get_end_state());
374 uint8_t tms_scan_bits = tap_get_tms_path_len(tap_get_state(),
375 tap_get_end_state());
377 for (i = 0; i < tms_scan_bits; i++)
378 vsllink_tap_append_step((tms_scan >> i) & 1, 0);
380 tap_set_state(tap_get_end_state());
383 static void vsllink_path_move(int num_states, tap_state_t *path)
385 for (int i = 0; i < num_states; i++) {
386 if (path[i] == tap_state_transition(tap_get_state(), false))
387 vsllink_tap_append_step(0, 0);
388 else if (path[i] == tap_state_transition(tap_get_state(), true))
389 vsllink_tap_append_step(1, 0);
391 LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition",
392 tap_state_name(tap_get_state()),
393 tap_state_name(path[i]));
397 tap_set_state(path[i]);
400 tap_set_end_state(tap_get_state());
403 static void vsllink_tms(int num_bits, const uint8_t *bits)
405 for (int i = 0; i < num_bits; i++)
406 vsllink_tap_append_step((bits[i / 8] >> (i % 8)) & 1, 0);
409 static void vsllink_stableclocks(int num_cycles, int tms)
411 while (num_cycles > 0) {
412 vsllink_tap_append_step(tms, 0);
417 static void vsllink_runtest(int num_cycles)
419 tap_state_t saved_end_state = tap_get_end_state();
421 if (tap_get_state() != TAP_IDLE) {
422 /* enter IDLE state */
423 vsllink_end_state(TAP_IDLE);
424 vsllink_state_move();
427 vsllink_stableclocks(num_cycles, 0);
431 vsllink_end_state(saved_end_state);
432 if (tap_get_end_state() != tap_get_end_state())
433 vsllink_state_move();
436 static void vsllink_scan(bool ir_scan, enum scan_type type, uint8_t *buffer,
437 int scan_size, struct scan_command *command)
439 tap_state_t saved_end_state;
441 saved_end_state = tap_get_end_state();
443 /* Move to appropriate scan state */
444 vsllink_end_state(ir_scan ? TAP_IRSHIFT : TAP_DRSHIFT);
446 if (tap_get_state() != tap_get_end_state())
447 vsllink_state_move();
448 vsllink_end_state(saved_end_state);
451 vsllink_tap_append_scan(scan_size, buffer, command);
453 /* Goto Pause and record position to insert tms:0 */
454 vsllink_tap_append_step(0, 0);
455 vsllink_tms_offset = tap_length;
457 tap_set_state(ir_scan ? TAP_IRPAUSE : TAP_DRPAUSE);
459 if (tap_get_state() != tap_get_end_state())
460 vsllink_state_move();
463 static int vsllink_reset(int trst, int srst)
465 LOG_DEBUG("trst: %i, srst: %i", trst, srst);
468 versaloon_interface.adaptors.gpio.config(0, GPIO_SRST, 0, GPIO_SRST, GPIO_SRST);
470 versaloon_interface.adaptors.gpio.config(0, GPIO_SRST, GPIO_SRST, 0, 0);
474 versaloon_interface.adaptors.gpio.out(0, GPIO_TRST, GPIO_TRST);
476 versaloon_interface.adaptors.gpio.out(0, GPIO_TRST, 0);
479 return versaloon_interface.adaptors.peripheral_commit();
482 COMMAND_HANDLER(vsllink_handle_usb_vid_command)
485 return ERROR_COMMAND_SYNTAX_ERROR;
487 COMMAND_PARSE_NUMBER(u16, CMD_ARGV[0],
488 versaloon_interface.usb_setting.vid);
492 COMMAND_HANDLER(vsllink_handle_usb_pid_command)
495 return ERROR_COMMAND_SYNTAX_ERROR;
496 COMMAND_PARSE_NUMBER(u16, CMD_ARGV[0],
497 versaloon_interface.usb_setting.pid);
501 COMMAND_HANDLER(vsllink_handle_usb_serial_command)
504 return ERROR_COMMAND_SYNTAX_ERROR;
506 free(versaloon_interface.usb_setting.serialstring);
509 versaloon_interface.usb_setting.serialstring = strdup(CMD_ARGV[0]);
511 versaloon_interface.usb_setting.serialstring = NULL;
516 COMMAND_HANDLER(vsllink_handle_usb_bulkin_command)
519 return ERROR_COMMAND_SYNTAX_ERROR;
521 COMMAND_PARSE_NUMBER(u8, CMD_ARGV[0],
522 versaloon_interface.usb_setting.ep_in);
524 versaloon_interface.usb_setting.ep_in |= 0x80;
529 COMMAND_HANDLER(vsllink_handle_usb_bulkout_command)
532 return ERROR_COMMAND_SYNTAX_ERROR;
534 COMMAND_PARSE_NUMBER(u8, CMD_ARGV[0],
535 versaloon_interface.usb_setting.ep_out);
537 versaloon_interface.usb_setting.ep_out &= ~0x80;
542 COMMAND_HANDLER(vsllink_handle_usb_interface_command)
545 return ERROR_COMMAND_SYNTAX_ERROR;
547 COMMAND_PARSE_NUMBER(u8, CMD_ARGV[0],
548 versaloon_interface.usb_setting.interface);
552 /**************************************************************************
553 * VSLLink tap functions */
555 static void vsllink_tap_init(void)
558 pending_scan_results_length = 0;
559 vsllink_tms_offset = 0;
562 static void vsllink_tap_ensure_pending(int scans)
564 int available_scans =
565 MAX_PENDING_SCAN_RESULTS - pending_scan_results_length;
567 if (scans > available_scans)
568 vsllink_tap_execute();
571 static void vsllink_tap_append_step(int tms, int tdi)
573 int index_var = tap_length / 8;
575 int bit_index = tap_length % 8;
576 uint8_t bit = 1 << bit_index;
579 tms_buffer[index_var] |= bit;
581 tms_buffer[index_var] &= ~bit;
584 tdi_buffer[index_var] |= bit;
586 tdi_buffer[index_var] &= ~bit;
590 if (tap_buffer_size * 8 <= tap_length)
591 vsllink_tap_execute();
594 static void vsllink_tap_append_scan(int length, uint8_t *buffer,
595 struct scan_command *command)
597 struct pending_scan_result *pending_scan_result;
598 int len_tmp, len_all, i;
601 while (len_all < length) {
602 vsllink_tap_ensure_pending(1);
603 pending_scan_result =
604 &pending_scan_results_buffer[
605 pending_scan_results_length];
607 if ((length - len_all) > (tap_buffer_size * 8 - tap_length)) {
608 /* Use all memory available
609 vsllink_tap_append_step will commit automatically */
610 len_tmp = tap_buffer_size * 8 - tap_length;
611 pending_scan_result->last = false;
613 len_tmp = length - len_all;
614 pending_scan_result->last = true;
616 pending_scan_result->src_offset = tap_length;
617 pending_scan_result->dest_offset = len_all;
618 pending_scan_result->length = len_tmp;
619 pending_scan_result->command = command;
620 pending_scan_result->buffer = buffer;
621 pending_scan_results_length++;
623 for (i = 0; i < len_tmp; i++) {
624 vsllink_tap_append_step(((len_all + i) < length-1
626 (buffer[(len_all + i)/8]
627 >> ((len_all + i)%8)) & 1);
634 static int vsllink_jtag_execute(void)
642 versaloon_interface.adaptors.jtag_raw.execute(0, tdi_buffer, tms_buffer,
643 tdo_buffer, tap_length);
645 result = versaloon_interface.adaptors.peripheral_commit();
647 if (result == ERROR_OK) {
648 for (i = 0; i < pending_scan_results_length; i++) {
649 struct pending_scan_result *pending_scan_result =
650 &pending_scan_results_buffer[i];
651 uint8_t *buffer = pending_scan_result->buffer;
652 int length = pending_scan_result->length;
653 int src_first = pending_scan_result->src_offset;
654 int dest_first = pending_scan_result->dest_offset;
655 bool last = pending_scan_result->last;
657 struct scan_command *command;
659 command = pending_scan_result->command;
660 buf_set_buf(tdo_buffer, src_first, buffer, dest_first, length);
663 "JTAG scan read(%d bits, from src %d bits to dest %d bits):",
664 length, src_first, dest_first);
665 if (LOG_LEVEL_IS(LOG_LVL_DEBUG_IO))
666 vsllink_debug_buffer(buffer + dest_first / 8, DIV_ROUND_UP(length, 7));
669 if (jtag_read_buffer(buffer, command)
672 return ERROR_JTAG_QUEUE_FAILED;
675 free(pending_scan_result->buffer);
679 LOG_ERROR("vsllink_jtag_execute failure");
680 return ERROR_JTAG_QUEUE_FAILED;
688 static int vsllink_tap_execute(void)
693 return vsllink_jtag_execute();
696 static int vsllink_swd_init(void)
698 LOG_INFO("VSLLink SWD mode enabled");
704 static int_least32_t vsllink_swd_frequency(int_least32_t hz)
706 const int_least32_t delay2hz[] = {
707 1850000, 235000, 130000, 102000, 85000, 72000
711 uint16_t delay = UINT16_MAX;
713 for (uint16_t i = 0; i < ARRAY_SIZE(delay2hz); i++) {
714 if (hz >= delay2hz[i]) {
721 if (delay == UINT16_MAX)
722 delay = (500000 / hz) - 1;
724 /* Calculate retry count after a WAIT response. This will give
725 * a retry timeout at about ~250 ms. 54 is the number of bits
726 * found in a transaction. */
727 uint16_t retry_count = 250 * hz / 1000 / 54;
729 LOG_DEBUG("SWD delay: %d, retry count: %d", delay, retry_count);
731 versaloon_interface.adaptors.swd.config(0, 2, retry_count, delay);
737 static int vsllink_swd_switch_seq(enum swd_special_seq seq)
741 LOG_DEBUG("SWD line reset");
742 versaloon_interface.adaptors.swd.seqout(0, swd_seq_line_reset,
743 swd_seq_line_reset_len);
746 LOG_DEBUG("JTAG-to-SWD");
747 versaloon_interface.adaptors.swd.seqout(0, swd_seq_jtag_to_swd,
748 swd_seq_jtag_to_swd_len);
751 LOG_DEBUG("SWD-to-JTAG");
752 versaloon_interface.adaptors.swd.seqout(0, swd_seq_swd_to_jtag,
753 swd_seq_swd_to_jtag_len);
756 LOG_ERROR("Sequence %d not supported", seq);
763 static void vsllink_swd_read_reg(uint8_t cmd, uint32_t *value, uint32_t ap_delay_clk)
765 versaloon_interface.adaptors.swd.transact(0, cmd, value, NULL);
768 static void vsllink_swd_write_reg(uint8_t cmd, uint32_t value, uint32_t ap_delay_clk)
770 versaloon_interface.adaptors.swd.transact(0, cmd, &value, NULL);
773 static int vsllink_swd_run_queue(void)
775 return versaloon_interface.adaptors.peripheral_commit();
778 /****************************************************************************
779 * VSLLink USB low-level functions */
781 static int vsllink_check_usb_strings(
782 struct libusb_device_handle *usb_device_handle,
783 struct libusb_device_descriptor *usb_desc)
785 char desc_string[256];
788 if (versaloon_interface.usb_setting.serialstring) {
789 retval = libusb_get_string_descriptor_ascii(usb_device_handle,
790 usb_desc->iSerialNumber, (unsigned char *)desc_string,
791 sizeof(desc_string));
795 if (strncmp(desc_string, versaloon_interface.usb_setting.serialstring,
796 sizeof(desc_string)))
800 retval = libusb_get_string_descriptor_ascii(usb_device_handle,
801 usb_desc->iProduct, (unsigned char *)desc_string,
802 sizeof(desc_string));
806 if (!strstr(desc_string, "Versaloon"))
812 static int vsllink_usb_open(struct vsllink *vsllink)
814 ssize_t num_devices, i;
815 struct libusb_device **usb_devices;
816 struct libusb_device_descriptor usb_desc;
817 struct libusb_device_handle *usb_device_handle;
820 num_devices = libusb_get_device_list(vsllink->libusb_ctx, &usb_devices);
822 if (num_devices <= 0)
825 for (i = 0; i < num_devices; i++) {
826 struct libusb_device *device = usb_devices[i];
828 retval = libusb_get_device_descriptor(device, &usb_desc);
832 if (usb_desc.idVendor != versaloon_interface.usb_setting.vid ||
833 usb_desc.idProduct != versaloon_interface.usb_setting.pid)
836 retval = libusb_open(device, &usb_device_handle);
840 retval = vsllink_check_usb_strings(usb_device_handle, &usb_desc);
841 if (retval == ERROR_OK)
844 libusb_close(usb_device_handle);
847 libusb_free_device_list(usb_devices, 1);
849 if (i == num_devices)
852 retval = libusb_claim_interface(usb_device_handle,
853 versaloon_interface.usb_setting.interface);
855 LOG_ERROR("unable to claim interface");
856 libusb_close(usb_device_handle);
860 vsllink->usb_device_handle = usb_device_handle;
864 static void vsllink_usb_close(struct vsllink *vsllink)
866 libusb_release_interface(vsllink->usb_device_handle,
867 versaloon_interface.usb_setting.interface);
868 libusb_close(vsllink->usb_device_handle);
871 #define BYTES_PER_LINE 16
873 static void vsllink_debug_buffer(uint8_t *buffer, int length)
880 for (i = 0; i < length; i += BYTES_PER_LINE) {
881 snprintf(line, 5, "%04x", i & 0xffff);
882 for (j = i; j < i + BYTES_PER_LINE && j < length; j++) {
883 snprintf(s, 4, " %02x", buffer[j]);
886 LOG_DEBUG_IO("%s", line);
890 static const struct command_registration vsllink_command_handlers[] = {
892 .name = "vsllink_usb_vid",
893 .handler = &vsllink_handle_usb_vid_command,
894 .mode = COMMAND_CONFIG,
895 .help = "Set USB VID",
899 .name = "vsllink_usb_pid",
900 .handler = &vsllink_handle_usb_pid_command,
901 .mode = COMMAND_CONFIG,
902 .help = "Set USB PID",
906 .name = "vsllink_usb_serial",
907 .handler = &vsllink_handle_usb_serial_command,
908 .mode = COMMAND_CONFIG,
909 .help = "Set or disable check for USB serial",
910 .usage = "[<serial>]",
913 .name = "vsllink_usb_bulkin",
914 .handler = &vsllink_handle_usb_bulkin_command,
915 .mode = COMMAND_CONFIG,
916 .help = "Set USB input endpoint",
920 .name = "vsllink_usb_bulkout",
921 .handler = &vsllink_handle_usb_bulkout_command,
922 .mode = COMMAND_CONFIG,
923 .help = "Set USB output endpoint",
927 .name = "vsllink_usb_interface",
928 .handler = &vsllink_handle_usb_interface_command,
929 .mode = COMMAND_CONFIG,
930 .help = "Set USB output interface",
931 .usage = "<interface>",
933 COMMAND_REGISTRATION_DONE
936 static const char * const vsllink_transports[] = {"jtag", "swd", NULL};
938 static const struct swd_driver vsllink_swd_driver = {
939 .init = vsllink_swd_init,
940 .switch_seq = vsllink_swd_switch_seq,
941 .read_reg = vsllink_swd_read_reg,
942 .write_reg = vsllink_swd_write_reg,
943 .run = vsllink_swd_run_queue,
946 static struct jtag_interface vsllink_interface = {
947 .supported = DEBUG_CAP_TMS_SEQ,
948 .execute_queue = vsllink_execute_queue,
951 struct adapter_driver vsllink_adapter_driver = {
953 .transports = vsllink_transports,
954 .commands = vsllink_command_handlers,
956 .init = vsllink_init,
957 .quit = vsllink_quit,
958 .reset = vsllink_reset,
959 .speed = vsllink_speed,
961 .speed_div = vsllink_speed_div,
963 .jtag_ops = &vsllink_interface,
964 .swd_ops = &vsllink_swd_driver,