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 void 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 #if defined _DEBUG_JTAG_IO_
86 static void vsllink_debug_buffer(uint8_t *buffer, int length);
89 static int tap_length;
90 static int tap_buffer_size;
91 static uint8_t *tms_buffer;
92 static uint8_t *tdi_buffer;
93 static uint8_t *tdo_buffer;
97 static struct vsllink *vsllink_handle;
99 static int vsllink_execute_queue(void)
101 struct jtag_command *cmd = jtag_command_queue;
106 DEBUG_JTAG_IO("-------------------------------------"
108 "-------------------------------------");
110 while (cmd != NULL) {
113 DEBUG_JTAG_IO("runtest %i cycles, end in %s",
114 cmd->cmd.runtest->num_cycles,
115 tap_state_name(cmd->cmd.runtest->end_state));
117 vsllink_end_state(cmd->cmd.runtest->end_state);
118 vsllink_runtest(cmd->cmd.runtest->num_cycles);
122 DEBUG_JTAG_IO("statemove end in %s",
123 tap_state_name(cmd->cmd.statemove->end_state));
125 vsllink_end_state(cmd->cmd.statemove->end_state);
126 vsllink_state_move();
130 DEBUG_JTAG_IO("pathmove: %i states, end in %s",
131 cmd->cmd.pathmove->num_states,
132 tap_state_name(cmd->cmd.pathmove->path[cmd->cmd.pathmove->num_states - 1]));
134 vsllink_path_move(cmd->cmd.pathmove->num_states, cmd->cmd.pathmove->path);
138 DEBUG_JTAG_IO("JTAG Scan...");
140 vsllink_end_state(cmd->cmd.scan->end_state);
142 scan_size = jtag_build_buffer(
143 cmd->cmd.scan, &buffer);
145 if (cmd->cmd.scan->ir_scan)
147 "JTAG Scan write IR(%d bits), "
150 tap_state_name(cmd->cmd.scan->end_state));
154 "JTAG Scan write DR(%d bits), "
157 tap_state_name(cmd->cmd.scan->end_state));
159 #ifdef _DEBUG_JTAG_IO_
160 vsllink_debug_buffer(buffer,
161 DIV_ROUND_UP(scan_size, 8));
164 type = jtag_scan_type(cmd->cmd.scan);
166 vsllink_scan(cmd->cmd.scan->ir_scan,
167 type, buffer, scan_size,
172 DEBUG_JTAG_IO("reset trst: %i srst %i",
173 cmd->cmd.reset->trst,
174 cmd->cmd.reset->srst);
176 vsllink_tap_execute();
178 if (cmd->cmd.reset->trst == 1)
179 tap_set_state(TAP_RESET);
181 vsllink_reset(cmd->cmd.reset->trst,
182 cmd->cmd.reset->srst);
186 DEBUG_JTAG_IO("sleep %i", cmd->cmd.sleep->us);
187 vsllink_tap_execute();
188 jtag_sleep(cmd->cmd.sleep->us);
191 case JTAG_STABLECLOCKS:
192 DEBUG_JTAG_IO("add %d clocks",
193 cmd->cmd.stableclocks->num_cycles);
195 switch (tap_get_state()) {
197 /* tms must be '1' to stay
207 /* else, tms should be '0' */
210 /* above stable states are OK */
212 LOG_ERROR("jtag_add_clocks() "
213 "in non-stable state \"%s\"",
214 tap_state_name(tap_get_state())
218 vsllink_stableclocks(cmd->cmd.stableclocks->num_cycles, scan_size);
222 DEBUG_JTAG_IO("add %d jtag tms",
223 cmd->cmd.tms->num_bits);
225 vsllink_tms(cmd->cmd.tms->num_bits, cmd->cmd.tms->bits);
229 LOG_ERROR("BUG: unknown JTAG command type "
230 "encountered: %d", cmd->type);
236 return vsllink_tap_execute();
239 static int vsllink_speed(int speed)
242 vsllink_swd_frequency(speed * 1000);
246 versaloon_interface.adaptors.jtag_raw.config(0, (uint16_t)speed);
247 return versaloon_interface.adaptors.peripheral_commit();
250 static int vsllink_khz(int khz, int *jtag_speed)
257 static int vsllink_speed_div(int jtag_speed, int *khz)
264 static void vsllink_free_buffer(void)
266 if (tdi_buffer != NULL) {
270 if (tdo_buffer != NULL) {
274 if (tms_buffer != NULL) {
280 static int vsllink_quit(void)
282 versaloon_interface.adaptors.gpio.config(0, GPIO_SRST | GPIO_TRST,
283 0, 0, GPIO_SRST | GPIO_TRST);
284 versaloon_interface.adaptors.gpio.fini(0);
287 versaloon_interface.adaptors.swd.fini(0);
289 versaloon_interface.adaptors.jtag_raw.fini(0);
291 versaloon_interface.adaptors.peripheral_commit();
292 versaloon_interface.fini();
294 vsllink_free_buffer();
295 vsllink_usb_close(vsllink_handle);
297 free(vsllink_handle);
302 static int vsllink_interface_init(void)
304 vsllink_handle = malloc(sizeof(struct vsllink));
305 if (NULL == vsllink_handle) {
306 LOG_ERROR("unable to allocate memory");
310 libusb_init(&vsllink_handle->libusb_ctx);
312 if (ERROR_OK != vsllink_usb_open(vsllink_handle)) {
313 LOG_ERROR("Can't find USB JTAG Interface!" \
314 "Please check connection and permissions.");
315 return ERROR_JTAG_INIT_FAILED;
317 LOG_DEBUG("vsllink found on %04X:%04X",
318 versaloon_interface.usb_setting.vid,
319 versaloon_interface.usb_setting.pid);
320 versaloon_usb_device_handle = vsllink_handle->usb_device_handle;
322 if (ERROR_OK != versaloon_interface.init())
324 if (versaloon_interface.usb_setting.buf_size < 32) {
325 versaloon_interface.fini();
332 static int vsllink_init(void)
334 int retval = vsllink_interface_init();
335 if (ERROR_OK != retval)
338 versaloon_interface.adaptors.gpio.init(0);
339 versaloon_interface.adaptors.gpio.config(0, GPIO_SRST, 0, GPIO_SRST,
341 versaloon_interface.adaptors.delay.delayms(100);
342 versaloon_interface.adaptors.peripheral_commit();
345 versaloon_interface.adaptors.gpio.config(0, GPIO_TRST, 0,
346 GPIO_TRST, GPIO_TRST);
347 versaloon_interface.adaptors.swd.init(0);
348 vsllink_swd_frequency(jtag_get_speed_khz() * 1000);
349 vsllink_swd_switch_seq(JTAG_TO_SWD);
352 /* malloc buffer size for tap */
353 tap_buffer_size = versaloon_interface.usb_setting.buf_size / 2 - 32;
354 vsllink_free_buffer();
355 tdi_buffer = malloc(tap_buffer_size);
356 tdo_buffer = malloc(tap_buffer_size);
357 tms_buffer = malloc(tap_buffer_size);
358 if ((NULL == tdi_buffer) || (NULL == tdo_buffer) || (NULL == tms_buffer)) {
363 versaloon_interface.adaptors.jtag_raw.init(0);
364 versaloon_interface.adaptors.jtag_raw.config(0, jtag_get_speed_khz());
365 versaloon_interface.adaptors.gpio.config(0, GPIO_SRST | GPIO_TRST,
366 GPIO_TRST, GPIO_SRST, GPIO_SRST);
369 if (ERROR_OK != versaloon_interface.adaptors.peripheral_commit())
377 /**************************************************************************
378 * Queue command implementations */
380 static void vsllink_end_state(tap_state_t state)
382 if (tap_is_state_stable(state))
383 tap_set_end_state(state);
385 LOG_ERROR("BUG: %i is not a valid end state", state);
390 /* Goes to the end state. */
391 static void vsllink_state_move(void)
394 uint8_t tms_scan = tap_get_tms_path(tap_get_state(),
395 tap_get_end_state());
396 uint8_t tms_scan_bits = tap_get_tms_path_len(tap_get_state(),
397 tap_get_end_state());
399 for (i = 0; i < tms_scan_bits; i++)
400 vsllink_tap_append_step((tms_scan >> i) & 1, 0);
402 tap_set_state(tap_get_end_state());
405 static void vsllink_path_move(int num_states, tap_state_t *path)
407 for (int i = 0; i < num_states; i++) {
408 if (path[i] == tap_state_transition(tap_get_state(), false))
409 vsllink_tap_append_step(0, 0);
410 else if (path[i] == tap_state_transition(tap_get_state(), true))
411 vsllink_tap_append_step(1, 0);
413 LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition",
414 tap_state_name(tap_get_state()),
415 tap_state_name(path[i]));
419 tap_set_state(path[i]);
422 tap_set_end_state(tap_get_state());
425 static void vsllink_tms(int num_bits, const uint8_t *bits)
427 for (int i = 0; i < num_bits; i++)
428 vsllink_tap_append_step((bits[i / 8] >> (i % 8)) & 1, 0);
431 static void vsllink_stableclocks(int num_cycles, int tms)
433 while (num_cycles > 0) {
434 vsllink_tap_append_step(tms, 0);
439 static void vsllink_runtest(int num_cycles)
441 tap_state_t saved_end_state = tap_get_end_state();
443 if (tap_get_state() != TAP_IDLE) {
444 /* enter IDLE state */
445 vsllink_end_state(TAP_IDLE);
446 vsllink_state_move();
449 vsllink_stableclocks(num_cycles, 0);
453 vsllink_end_state(saved_end_state);
454 if (tap_get_end_state() != tap_get_end_state())
455 vsllink_state_move();
458 static void vsllink_scan(bool ir_scan, enum scan_type type, uint8_t *buffer,
459 int scan_size, struct scan_command *command)
461 tap_state_t saved_end_state;
463 saved_end_state = tap_get_end_state();
465 /* Move to appropriate scan state */
466 vsllink_end_state(ir_scan ? TAP_IRSHIFT : TAP_DRSHIFT);
468 if (tap_get_state() != tap_get_end_state())
469 vsllink_state_move();
470 vsllink_end_state(saved_end_state);
473 vsllink_tap_append_scan(scan_size, buffer, command);
475 /* Goto Pause and record position to insert tms:0 */
476 vsllink_tap_append_step(0, 0);
477 vsllink_tms_offset = tap_length;
479 tap_set_state(ir_scan ? TAP_IRPAUSE : TAP_DRPAUSE);
481 if (tap_get_state() != tap_get_end_state())
482 vsllink_state_move();
485 static void vsllink_reset(int trst, int srst)
487 LOG_DEBUG("trst: %i, srst: %i", trst, srst);
490 versaloon_interface.adaptors.gpio.config(0, GPIO_SRST, 0, GPIO_SRST, GPIO_SRST);
492 versaloon_interface.adaptors.gpio.config(0, GPIO_SRST, GPIO_SRST, 0, 0);
496 versaloon_interface.adaptors.gpio.out(0, GPIO_TRST, GPIO_TRST);
498 versaloon_interface.adaptors.gpio.out(0, GPIO_TRST, 0);
501 versaloon_interface.adaptors.peripheral_commit();
504 COMMAND_HANDLER(vsllink_handle_usb_vid_command)
507 return ERROR_COMMAND_SYNTAX_ERROR;
509 COMMAND_PARSE_NUMBER(u16, CMD_ARGV[0],
510 versaloon_interface.usb_setting.vid);
514 COMMAND_HANDLER(vsllink_handle_usb_pid_command)
517 return ERROR_COMMAND_SYNTAX_ERROR;
518 COMMAND_PARSE_NUMBER(u16, CMD_ARGV[0],
519 versaloon_interface.usb_setting.pid);
523 COMMAND_HANDLER(vsllink_handle_usb_serial_command)
526 return ERROR_COMMAND_SYNTAX_ERROR;
528 free(versaloon_interface.usb_setting.serialstring);
531 versaloon_interface.usb_setting.serialstring = strdup(CMD_ARGV[0]);
533 versaloon_interface.usb_setting.serialstring = NULL;
538 COMMAND_HANDLER(vsllink_handle_usb_bulkin_command)
541 return ERROR_COMMAND_SYNTAX_ERROR;
543 COMMAND_PARSE_NUMBER(u8, CMD_ARGV[0],
544 versaloon_interface.usb_setting.ep_in);
546 versaloon_interface.usb_setting.ep_in |= 0x80;
551 COMMAND_HANDLER(vsllink_handle_usb_bulkout_command)
554 return ERROR_COMMAND_SYNTAX_ERROR;
556 COMMAND_PARSE_NUMBER(u8, CMD_ARGV[0],
557 versaloon_interface.usb_setting.ep_out);
559 versaloon_interface.usb_setting.ep_out &= ~0x80;
564 COMMAND_HANDLER(vsllink_handle_usb_interface_command)
567 return ERROR_COMMAND_SYNTAX_ERROR;
569 COMMAND_PARSE_NUMBER(u8, CMD_ARGV[0],
570 versaloon_interface.usb_setting.interface);
574 /**************************************************************************
575 * VSLLink tap functions */
577 static void vsllink_tap_init(void)
580 pending_scan_results_length = 0;
581 vsllink_tms_offset = 0;
584 static void vsllink_tap_ensure_pending(int scans)
586 int available_scans =
587 MAX_PENDING_SCAN_RESULTS - pending_scan_results_length;
589 if (scans > available_scans)
590 vsllink_tap_execute();
593 static void vsllink_tap_append_step(int tms, int tdi)
595 int index_var = tap_length / 8;
597 int bit_index = tap_length % 8;
598 uint8_t bit = 1 << bit_index;
601 tms_buffer[index_var] |= bit;
603 tms_buffer[index_var] &= ~bit;
606 tdi_buffer[index_var] |= bit;
608 tdi_buffer[index_var] &= ~bit;
612 if (tap_buffer_size * 8 <= tap_length)
613 vsllink_tap_execute();
616 static void vsllink_tap_append_scan(int length, uint8_t *buffer,
617 struct scan_command *command)
619 struct pending_scan_result *pending_scan_result;
620 int len_tmp, len_all, i;
623 while (len_all < length) {
624 vsllink_tap_ensure_pending(1);
625 pending_scan_result =
626 &pending_scan_results_buffer[
627 pending_scan_results_length];
629 if ((length - len_all) > (tap_buffer_size * 8 - tap_length)) {
630 /* Use all memory available
631 vsllink_tap_append_step will commit automatically */
632 len_tmp = tap_buffer_size * 8 - tap_length;
633 pending_scan_result->last = false;
635 len_tmp = length - len_all;
636 pending_scan_result->last = true;
638 pending_scan_result->src_offset = tap_length;
639 pending_scan_result->dest_offset = len_all;
640 pending_scan_result->length = len_tmp;
641 pending_scan_result->command = command;
642 pending_scan_result->buffer = buffer;
643 pending_scan_results_length++;
645 for (i = 0; i < len_tmp; i++) {
646 vsllink_tap_append_step(((len_all + i) < length-1
648 (buffer[(len_all + i)/8]
649 >> ((len_all + i)%8)) & 1);
656 static int vsllink_jtag_execute(void)
664 versaloon_interface.adaptors.jtag_raw.execute(0, tdi_buffer, tms_buffer,
665 tdo_buffer, tap_length);
667 result = versaloon_interface.adaptors.peripheral_commit();
669 if (result == ERROR_OK) {
670 for (i = 0; i < pending_scan_results_length; i++) {
671 struct pending_scan_result *pending_scan_result =
672 &pending_scan_results_buffer[i];
673 uint8_t *buffer = pending_scan_result->buffer;
674 int length = pending_scan_result->length;
675 int src_first = pending_scan_result->src_offset;
676 int dest_first = pending_scan_result->dest_offset;
677 bool last = pending_scan_result->last;
679 struct scan_command *command;
681 command = pending_scan_result->command;
682 buf_set_buf(tdo_buffer, src_first, buffer, dest_first, length);
684 #ifdef _DEBUG_JTAG_IO_
686 "JTAG scan read(%d bits, from src %d bits to dest %d bits):",
687 length, src_first, dest_first);
688 vsllink_debug_buffer(buffer + dest_first / 8,
689 DIV_ROUND_UP(length, 7));
693 if (jtag_read_buffer(buffer, command)
696 return ERROR_JTAG_QUEUE_FAILED;
699 if (pending_scan_result->buffer != NULL)
700 free(pending_scan_result->buffer);
704 LOG_ERROR("vsllink_jtag_execute failure");
705 return ERROR_JTAG_QUEUE_FAILED;
713 static int vsllink_tap_execute(void)
718 return vsllink_jtag_execute();
721 static int vsllink_swd_init(void)
723 LOG_INFO("VSLLink SWD mode enabled");
729 static int_least32_t vsllink_swd_frequency(int_least32_t hz)
731 const int_least32_t delay2hz[] = {
732 1850000, 235000, 130000, 102000, 85000, 72000
736 uint16_t delay = UINT16_MAX;
738 for (uint16_t i = 0; i < ARRAY_SIZE(delay2hz); i++) {
739 if (hz >= delay2hz[i]) {
746 if (delay == UINT16_MAX)
747 delay = (500000 / hz) - 1;
749 /* Calculate retry count after a WAIT response. This will give
750 * a retry timeout at about ~250 ms. 54 is the number of bits
751 * found in a transaction. */
752 uint16_t retry_count = 250 * hz / 1000 / 54;
754 LOG_DEBUG("SWD delay: %d, retry count: %d", delay, retry_count);
756 versaloon_interface.adaptors.swd.config(0, 2, retry_count, delay);
762 static int vsllink_swd_switch_seq(enum swd_special_seq seq)
766 LOG_DEBUG("SWD line reset");
767 versaloon_interface.adaptors.swd.seqout(0, swd_seq_line_reset,
768 swd_seq_line_reset_len);
771 LOG_DEBUG("JTAG-to-SWD");
772 versaloon_interface.adaptors.swd.seqout(0, swd_seq_jtag_to_swd,
773 swd_seq_jtag_to_swd_len);
776 LOG_DEBUG("SWD-to-JTAG");
777 versaloon_interface.adaptors.swd.seqout(0, swd_seq_swd_to_jtag,
778 swd_seq_swd_to_jtag_len);
781 LOG_ERROR("Sequence %d not supported", seq);
788 static void vsllink_swd_read_reg(uint8_t cmd, uint32_t *value, uint32_t ap_delay_clk)
790 versaloon_interface.adaptors.swd.transact(0, cmd, value, NULL);
793 static void vsllink_swd_write_reg(uint8_t cmd, uint32_t value, uint32_t ap_delay_clk)
795 versaloon_interface.adaptors.swd.transact(0, cmd, &value, NULL);
798 static int vsllink_swd_run_queue(void)
800 return versaloon_interface.adaptors.peripheral_commit();
803 /****************************************************************************
804 * VSLLink USB low-level functions */
806 static int vsllink_check_usb_strings(
807 struct libusb_device_handle *usb_device_handle,
808 struct libusb_device_descriptor *usb_desc)
810 char desc_string[256];
813 if (NULL != versaloon_interface.usb_setting.serialstring) {
814 retval = libusb_get_string_descriptor_ascii(usb_device_handle,
815 usb_desc->iSerialNumber, (unsigned char *)desc_string,
816 sizeof(desc_string));
820 if (strncmp(desc_string, versaloon_interface.usb_setting.serialstring,
821 sizeof(desc_string)))
825 retval = libusb_get_string_descriptor_ascii(usb_device_handle,
826 usb_desc->iProduct, (unsigned char *)desc_string,
827 sizeof(desc_string));
831 if (strstr(desc_string, "Versaloon") == NULL)
837 static int vsllink_usb_open(struct vsllink *vsllink)
839 ssize_t num_devices, i;
840 libusb_device **usb_devices;
841 struct libusb_device_descriptor usb_desc;
842 struct libusb_device_handle *usb_device_handle;
845 num_devices = libusb_get_device_list(vsllink->libusb_ctx, &usb_devices);
847 if (num_devices <= 0)
850 for (i = 0; i < num_devices; i++) {
851 libusb_device *device = usb_devices[i];
853 retval = libusb_get_device_descriptor(device, &usb_desc);
857 if (usb_desc.idVendor != versaloon_interface.usb_setting.vid ||
858 usb_desc.idProduct != versaloon_interface.usb_setting.pid)
861 retval = libusb_open(device, &usb_device_handle);
865 retval = vsllink_check_usb_strings(usb_device_handle, &usb_desc);
866 if (ERROR_OK == retval)
869 libusb_close(usb_device_handle);
872 libusb_free_device_list(usb_devices, 1);
874 if (i == num_devices)
877 retval = libusb_claim_interface(usb_device_handle,
878 versaloon_interface.usb_setting.interface);
880 LOG_ERROR("unable to claim interface");
881 libusb_close(usb_device_handle);
885 vsllink->usb_device_handle = usb_device_handle;
889 static void vsllink_usb_close(struct vsllink *vsllink)
891 libusb_release_interface(vsllink->usb_device_handle,
892 versaloon_interface.usb_setting.interface);
893 libusb_close(vsllink->usb_device_handle);
896 #define BYTES_PER_LINE 16
898 #if defined _DEBUG_JTAG_IO_
899 static void vsllink_debug_buffer(uint8_t *buffer, int length)
906 for (i = 0; i < length; i += BYTES_PER_LINE) {
907 snprintf(line, 5, "%04x", i);
908 for (j = i; j < i + BYTES_PER_LINE && j < length; j++) {
909 snprintf(s, 4, " %02x", buffer[j]);
912 LOG_DEBUG("%s", line);
915 #endif /* _DEBUG_JTAG_IO_ */
917 static const struct command_registration vsllink_command_handlers[] = {
919 .name = "vsllink_usb_vid",
920 .handler = &vsllink_handle_usb_vid_command,
921 .mode = COMMAND_CONFIG,
924 .name = "vsllink_usb_pid",
925 .handler = &vsllink_handle_usb_pid_command,
926 .mode = COMMAND_CONFIG,
929 .name = "vsllink_usb_serial",
930 .handler = &vsllink_handle_usb_serial_command,
931 .mode = COMMAND_CONFIG,
934 .name = "vsllink_usb_bulkin",
935 .handler = &vsllink_handle_usb_bulkin_command,
936 .mode = COMMAND_CONFIG,
939 .name = "vsllink_usb_bulkout",
940 .handler = &vsllink_handle_usb_bulkout_command,
941 .mode = COMMAND_CONFIG,
944 .name = "vsllink_usb_interface",
945 .handler = &vsllink_handle_usb_interface_command,
946 .mode = COMMAND_CONFIG,
948 COMMAND_REGISTRATION_DONE
951 static const char * const vsllink_transports[] = {"jtag", "swd", NULL};
953 static const struct swd_driver vsllink_swd_driver = {
954 .init = vsllink_swd_init,
955 .frequency = vsllink_swd_frequency,
956 .switch_seq = vsllink_swd_switch_seq,
957 .read_reg = vsllink_swd_read_reg,
958 .write_reg = vsllink_swd_write_reg,
959 .run = vsllink_swd_run_queue,
962 struct jtag_interface vsllink_interface = {
964 .supported = DEBUG_CAP_TMS_SEQ,
965 .commands = vsllink_command_handlers,
966 .transports = vsllink_transports,
967 .swd = &vsllink_swd_driver,
969 .init = vsllink_init,
970 .quit = vsllink_quit,
972 .speed = vsllink_speed,
973 .speed_div = vsllink_speed_div,
974 .execute_queue = vsllink_execute_queue,