1 /***************************************************************************
2 * Copyright (C) 2009 by Øyvind Harboe *
3 * Øyvind Harboe <oyvind.harboe@zylin.com> *
5 * Copyright (C) 2009 by SoftPLC Corporation. http://softplc.com *
6 * Dick Hollenbeck <dick@softplc.com> *
8 * Copyright (C) 2004, 2006 by Dominic Rath *
9 * Dominic.Rath@gmx.de *
11 * Copyright (C) 2008 by Spencer Oliver *
12 * spen@spen-soft.co.uk *
14 * This program is free software; you can redistribute it and/or modify *
15 * it under the terms of the GNU General Public License as published by *
16 * the Free Software Foundation; either version 2 of the License, or *
17 * (at your option) any later version. *
19 * This program is distributed in the hope that it will be useful, *
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
22 * GNU General Public License for more details. *
24 * You should have received a copy of the GNU General Public License *
25 * along with this program; if not, write to the *
26 * Free Software Foundation, Inc., *
27 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
28 ***************************************************************************/
30 /* This code uses information contained in the MPSSE specification which was
32 * http://www.ftdichip.com/Documents/AppNotes/AN2232C-01_MPSSE_Cmnd.pdf
33 * Hereafter this is called the "MPSSE Spec".
35 * The datasheet for the ftdichip.com's FT2232D part is here:
36 * http://www.ftdichip.com/Documents/DataSheets/DS_FT2232D.pdf
43 /* project specific includes */
44 #include "interface.h"
46 #include "time_support.h"
54 #if (BUILD_FT2232_FTD2XX == 1 && BUILD_FT2232_LIBFTDI == 1)
55 #error "BUILD_FT2232_FTD2XX && BUILD_FT2232_LIBFTDI are mutually exclusive"
56 #elif (BUILD_FT2232_FTD2XX != 1 && BUILD_FT2232_LIBFTDI != 1)
57 #error "BUILD_FT2232_FTD2XX || BUILD_FT2232_LIBFTDI must be chosen"
60 /* FT2232 access library includes */
61 #if BUILD_FT2232_FTD2XX == 1
63 #elif BUILD_FT2232_LIBFTDI == 1
67 /* max TCK for the high speed devices 30000 kHz */
68 #define FTDI_2232H_4232H_MAX_TCK 30000
69 /* max TCK for the full speed devices 6000 kHz */
70 #define FTDI_2232C_MAX_TCK 6000
71 /* this speed value tells that RTCK is requested */
75 * On my Athlon XP 1900+ EHCI host with FT2232H JTAG dongle I get read timeout
76 * errors with a retry count of 100. Increasing it solves the problem for me.
79 * FIXME There's likely an issue with the usb_read_timeout from libftdi.
80 * Fix that (libusb? kernel? libftdi? here?) and restore the retry count
83 #define LIBFTDI_READ_RETRY_COUNT 2000
85 #ifndef BUILD_FT2232_HIGHSPEED
86 #if BUILD_FT2232_FTD2XX == 1
87 enum { FT_DEVICE_2232H
= 6, FT_DEVICE_4232H
};
88 #elif BUILD_FT2232_LIBFTDI == 1
89 enum { TYPE_2232H
= 4, TYPE_4232H
= 5 };
94 * Send out \a num_cycles on the TCK line while the TAP(s) are in a
95 * stable state. Calling code must ensure that current state is stable,
96 * that verification is not done in here.
98 * @param num_cycles The number of clocks cycles to send.
99 * @param cmd The command to send.
101 * @returns ERROR_OK on success, or ERROR_JTAG_QUEUE_FAILED on failure.
103 static int ft2232_stableclocks(int num_cycles
, jtag_command_t
* cmd
);
105 static char * ft2232_device_desc_A
= NULL
;
106 static char* ft2232_device_desc
= NULL
;
107 static char* ft2232_serial
= NULL
;
108 static char* ft2232_layout
= NULL
;
109 static uint8_t ft2232_latency
= 2;
110 static unsigned ft2232_max_tck
= FTDI_2232C_MAX_TCK
;
112 #define MAX_USB_IDS 8
113 /* vid = pid = 0 marks the end of the list */
114 static uint16_t ft2232_vid
[MAX_USB_IDS
+ 1] = { 0x0403, 0 };
115 static uint16_t ft2232_pid
[MAX_USB_IDS
+ 1] = { 0x6010, 0 };
117 typedef struct ft2232_layout_s
121 void (*reset
)(int trst
, int srst
);
125 /* init procedures for supported layouts */
126 static int usbjtag_init(void);
127 static int jtagkey_init(void);
128 static int olimex_jtag_init(void);
129 static int flyswatter_init(void);
130 static int turtle_init(void);
131 static int comstick_init(void);
132 static int stm32stick_init(void);
133 static int axm0432_jtag_init(void);
134 static int sheevaplug_init(void);
135 static int icebear_jtag_init(void);
136 static int cortino_jtag_init(void);
137 static int signalyzer_h_init(void);
138 static int ktlink_init(void);
140 /* reset procedures for supported layouts */
141 static void usbjtag_reset(int trst
, int srst
);
142 static void jtagkey_reset(int trst
, int srst
);
143 static void olimex_jtag_reset(int trst
, int srst
);
144 static void flyswatter_reset(int trst
, int srst
);
145 static void turtle_reset(int trst
, int srst
);
146 static void comstick_reset(int trst
, int srst
);
147 static void stm32stick_reset(int trst
, int srst
);
148 static void axm0432_jtag_reset(int trst
, int srst
);
149 static void sheevaplug_reset(int trst
, int srst
);
150 static void icebear_jtag_reset(int trst
, int srst
);
151 static void signalyzer_h_reset(int trst
, int srst
);
152 static void ktlink_reset(int trst
, int srst
);
154 /* blink procedures for layouts that support a blinking led */
155 static void olimex_jtag_blink(void);
156 static void flyswatter_jtag_blink(void);
157 static void turtle_jtag_blink(void);
158 static void signalyzer_h_blink(void);
159 static void ktlink_blink(void);
161 static const ft2232_layout_t ft2232_layouts
[] =
163 { "usbjtag", usbjtag_init
, usbjtag_reset
, NULL
},
164 { "jtagkey", jtagkey_init
, jtagkey_reset
, NULL
},
165 { "jtagkey_prototype_v1", jtagkey_init
, jtagkey_reset
, NULL
},
166 { "oocdlink", jtagkey_init
, jtagkey_reset
, NULL
},
167 { "signalyzer", usbjtag_init
, usbjtag_reset
, NULL
},
168 { "evb_lm3s811", usbjtag_init
, usbjtag_reset
, NULL
},
169 { "luminary_icdi", usbjtag_init
, usbjtag_reset
, NULL
},
170 { "olimex-jtag", olimex_jtag_init
, olimex_jtag_reset
, olimex_jtag_blink
},
171 { "flyswatter", flyswatter_init
, flyswatter_reset
, flyswatter_jtag_blink
},
172 { "turtelizer2", turtle_init
, turtle_reset
, turtle_jtag_blink
},
173 { "comstick", comstick_init
, comstick_reset
, NULL
},
174 { "stm32stick", stm32stick_init
, stm32stick_reset
, NULL
},
175 { "axm0432_jtag", axm0432_jtag_init
, axm0432_jtag_reset
, NULL
},
176 { "sheevaplug", sheevaplug_init
, sheevaplug_reset
, NULL
},
177 { "icebear", icebear_jtag_init
, icebear_jtag_reset
, NULL
},
178 { "cortino", cortino_jtag_init
, comstick_reset
, NULL
},
179 { "signalyzer-h", signalyzer_h_init
, signalyzer_h_reset
, signalyzer_h_blink
},
180 { "ktlink", ktlink_init
, ktlink_reset
, ktlink_blink
},
181 { NULL
, NULL
, NULL
, NULL
},
184 static uint8_t nTRST
, nTRSTnOE
, nSRST
, nSRSTnOE
;
186 static const ft2232_layout_t
*layout
;
187 static uint8_t low_output
= 0x0;
188 static uint8_t low_direction
= 0x0;
189 static uint8_t high_output
= 0x0;
190 static uint8_t high_direction
= 0x0;
192 #if BUILD_FT2232_FTD2XX == 1
193 static FT_HANDLE ftdih
= NULL
;
194 static FT_DEVICE ftdi_device
= 0;
195 #elif BUILD_FT2232_LIBFTDI == 1
196 static struct ftdi_context ftdic
;
197 static enum ftdi_chip_type ftdi_device
;
200 static jtag_command_t
* first_unsent
; /* next command that has to be sent */
201 static int require_send
;
203 /* http://urjtag.wiki.sourceforge.net/Cable + FT2232 says:
205 "There is a significant difference between libftdi and libftd2xx. The latter
206 one allows to schedule up to 64*64 bytes of result data while libftdi fails
207 with more than 4*64. As a consequence, the FT2232 driver is forced to
208 perform around 16x more USB transactions for long command streams with TDO
209 capture when running with libftdi."
212 #define FT2232_BUFFER_SIZE 131072
213 a comment would have been nice.
216 #define FT2232_BUFFER_SIZE 131072
218 static uint8_t* ft2232_buffer
= NULL
;
219 static int ft2232_buffer_size
= 0;
220 static int ft2232_read_pointer
= 0;
221 static int ft2232_expect_read
= 0;
224 * Function buffer_write
225 * writes a byte into the byte buffer, "ft2232_buffer", which must be sent later.
226 * @param val is the byte to send.
228 static inline void buffer_write(uint8_t val
)
230 assert(ft2232_buffer
);
231 assert((unsigned) ft2232_buffer_size
< (unsigned) FT2232_BUFFER_SIZE
);
232 ft2232_buffer
[ft2232_buffer_size
++] = val
;
236 * Function buffer_read
237 * returns a byte from the byte buffer.
239 static inline uint8_t buffer_read(void)
241 assert(ft2232_buffer
);
242 assert(ft2232_read_pointer
< ft2232_buffer_size
);
243 return ft2232_buffer
[ft2232_read_pointer
++];
247 * Clocks out \a bit_count bits on the TMS line, starting with the least
248 * significant bit of tms_bits and progressing to more significant bits.
249 * Rigorous state transition logging is done here via tap_set_state().
251 * @param mpsse_cmd One of the MPSSE TMS oriented commands such as
252 * 0x4b or 0x6b. See the MPSSE spec referenced above for their
253 * functionality. The MPSSE command "Clock Data to TMS/CS Pin (no Read)"
254 * is often used for this, 0x4b.
256 * @param tms_bits Holds the sequence of bits to send.
257 * @param tms_count Tells how many bits in the sequence.
258 * @param tdi_bit A single bit to pass on to TDI before the first TCK
259 * cycle and held static for the duration of TMS clocking.
261 * See the MPSSE spec referenced above.
263 static void clock_tms(uint8_t mpsse_cmd
, int tms_bits
, int tms_count
, bool tdi_bit
)
267 int tms_ndx
; /* bit index into tms_byte */
269 assert(tms_count
> 0);
271 DEBUG_JTAG_IO("mpsse cmd=%02x, tms_bits = 0x%08x, bit_count=%d",
272 mpsse_cmd
, tms_bits
, tms_count
);
274 for (tms_byte
= tms_ndx
= i
= 0; i
< tms_count
; ++i
, tms_bits
>>=1)
276 bool bit
= tms_bits
& 1;
279 tms_byte
|= (1 << tms_ndx
);
281 /* always do state transitions in public view */
282 tap_set_state(tap_state_transition(tap_get_state(), bit
));
284 /* we wrote a bit to tms_byte just above, increment bit index. if bit was zero
289 if (tms_ndx
== 7 || i
== tms_count
-1)
291 buffer_write(mpsse_cmd
);
292 buffer_write(tms_ndx
- 1);
294 /* Bit 7 of the byte is passed on to TDI/DO before the first TCK/SK of
295 TMS/CS and is held static for the duration of TMS/CS clocking.
297 buffer_write(tms_byte
| (tdi_bit
<< 7));
303 * Function get_tms_buffer_requirements
304 * returns what clock_tms() will consume if called with
307 static inline int get_tms_buffer_requirements(int bit_count
)
309 return ((bit_count
+ 6)/7) * 3;
313 * Function move_to_state
314 * moves the TAP controller from the current state to a
315 * \a goal_state through a path given by tap_get_tms_path(). State transition
316 * logging is performed by delegation to clock_tms().
318 * @param goal_state is the destination state for the move.
320 static void move_to_state(tap_state_t goal_state
)
322 tap_state_t start_state
= tap_get_state();
324 /* goal_state is 1/2 of a tuple/pair of states which allow convenient
325 lookup of the required TMS pattern to move to this state from the
329 /* do the 2 lookups */
330 int tms_bits
= tap_get_tms_path(start_state
, goal_state
);
331 int tms_count
= tap_get_tms_path_len(start_state
, goal_state
);
333 DEBUG_JTAG_IO("start=%s goal=%s", tap_state_name(start_state
), tap_state_name(goal_state
));
335 clock_tms(0x4b, tms_bits
, tms_count
, 0);
338 static int ft2232_write(uint8_t* buf
, int size
, uint32_t* bytes_written
)
340 #if BUILD_FT2232_FTD2XX == 1
342 DWORD dw_bytes_written
;
343 if ((status
= FT_Write(ftdih
, buf
, size
, &dw_bytes_written
)) != FT_OK
)
345 *bytes_written
= dw_bytes_written
;
346 LOG_ERROR("FT_Write returned: %lu", status
);
347 return ERROR_JTAG_DEVICE_ERROR
;
351 *bytes_written
= dw_bytes_written
;
354 #elif BUILD_FT2232_LIBFTDI == 1
356 if ((retval
= ftdi_write_data(&ftdic
, buf
, size
)) < 0)
359 LOG_ERROR("ftdi_write_data: %s", ftdi_get_error_string(&ftdic
));
360 return ERROR_JTAG_DEVICE_ERROR
;
364 *bytes_written
= retval
;
370 static int ft2232_read(uint8_t* buf
, uint32_t size
, uint32_t* bytes_read
)
372 #if BUILD_FT2232_FTD2XX == 1
378 while ((*bytes_read
< size
) && timeout
--)
380 if ((status
= FT_Read(ftdih
, buf
+ *bytes_read
, size
-
381 *bytes_read
, &dw_bytes_read
)) != FT_OK
)
384 LOG_ERROR("FT_Read returned: %lu", status
);
385 return ERROR_JTAG_DEVICE_ERROR
;
387 *bytes_read
+= dw_bytes_read
;
390 #elif BUILD_FT2232_LIBFTDI == 1
392 int timeout
= LIBFTDI_READ_RETRY_COUNT
;
395 while ((*bytes_read
< size
) && timeout
--)
397 if ((retval
= ftdi_read_data(&ftdic
, buf
+ *bytes_read
, size
- *bytes_read
)) < 0)
400 LOG_ERROR("ftdi_read_data: %s", ftdi_get_error_string(&ftdic
));
401 return ERROR_JTAG_DEVICE_ERROR
;
403 *bytes_read
+= retval
;
408 if (*bytes_read
< size
)
410 LOG_ERROR("couldn't read enough bytes from "
411 "FT2232 device (%i < %i)",
412 (unsigned)*bytes_read
,
414 return ERROR_JTAG_DEVICE_ERROR
;
420 static bool ft2232_device_is_highspeed(void)
422 #if BUILD_FT2232_FTD2XX == 1
423 return (ftdi_device
== FT_DEVICE_2232H
) || (ftdi_device
== FT_DEVICE_4232H
);
424 #elif BUILD_FT2232_LIBFTDI == 1
425 return (ftdi_device
== TYPE_2232H
|| ftdi_device
== TYPE_4232H
);
430 * Commands that only apply to the FT2232H and FT4232H devices.
431 * See chapter 6 in http://www.ftdichip.com/Documents/AppNotes/
432 * AN_108_Command_Processor_for_MPSSE_and_MCU_Host_Bus_Emulation_Modes.pdf
435 static int ft2232h_ft4232h_adaptive_clocking(bool enable
)
437 uint8_t buf
= enable
? 0x96 : 0x97;
438 LOG_DEBUG("%2.2x", buf
);
440 uint32_t bytes_written
;
441 int retval
= ft2232_write(&buf
, 1, &bytes_written
);
442 if ((ERROR_OK
!= retval
) || (bytes_written
!= 1))
444 LOG_ERROR("couldn't write command to %s adaptive clocking"
445 , enable
? "enable" : "disable");
453 * Enable/disable the clk divide by 5 of the 60MHz master clock.
454 * This result in a JTAG clock speed range of 91.553Hz-6MHz
455 * respective 457.763Hz-30MHz.
457 static int ft2232h_ft4232h_clk_divide_by_5(bool enable
)
459 uint32_t bytes_written
;
460 uint8_t buf
= enable
? 0x8b : 0x8a;
461 int retval
= ft2232_write(&buf
, 1, &bytes_written
);
462 if ((ERROR_OK
!= retval
) || (bytes_written
!= 1))
464 LOG_ERROR("couldn't write command to %s clk divide by 5"
465 , enable
? "enable" : "disable");
466 return ERROR_JTAG_INIT_FAILED
;
468 ft2232_max_tck
= enable
? FTDI_2232C_MAX_TCK
: FTDI_2232H_4232H_MAX_TCK
;
469 LOG_INFO("max TCK change to: %u kHz", ft2232_max_tck
);
474 static int ft2232_speed(int speed
)
478 uint32_t bytes_written
;
481 bool enable_adaptive_clocking
= (RTCK_SPEED
== speed
);
482 if (ft2232_device_is_highspeed())
483 retval
= ft2232h_ft4232h_adaptive_clocking(enable_adaptive_clocking
);
484 else if (enable_adaptive_clocking
)
486 LOG_ERROR("ft2232 device %lu does not support RTCK"
487 , (long unsigned int)ftdi_device
);
491 if ((enable_adaptive_clocking
) || (ERROR_OK
!= retval
))
494 buf
[0] = 0x86; /* command "set divisor" */
495 buf
[1] = speed
& 0xff; /* valueL (0 = 6MHz, 1 = 3MHz, 2 = 2.0MHz, ...*/
496 buf
[2] = (speed
>> 8) & 0xff; /* valueH */
498 LOG_DEBUG("%2.2x %2.2x %2.2x", buf
[0], buf
[1], buf
[2]);
499 if (((retval
= ft2232_write(buf
, 3, &bytes_written
)) != ERROR_OK
) || (bytes_written
!= 3))
501 LOG_ERROR("couldn't set FT2232 TCK speed");
508 static int ft2232_speed_div(int speed
, int* khz
)
510 /* Take a look in the FT2232 manual,
511 * AN2232C-01 Command Processor for
512 * MPSSE and MCU Host Bus. Chapter 3.8 */
514 *khz
= (RTCK_SPEED
== speed
) ? 0 : ft2232_max_tck
/ (1 + speed
);
519 static int ft2232_khz(int khz
, int* jtag_speed
)
523 if (ft2232_device_is_highspeed())
525 *jtag_speed
= RTCK_SPEED
;
530 LOG_DEBUG("RCLK not supported");
535 /* Take a look in the FT2232 manual,
536 * AN2232C-01 Command Processor for
537 * MPSSE and MCU Host Bus. Chapter 3.8
539 * We will calc here with a multiplier
540 * of 10 for better rounding later. */
542 /* Calc speed, (ft2232_max_tck / khz) - 1 */
543 /* Use 65000 for better rounding */
544 *jtag_speed
= ((ft2232_max_tck
*10) / khz
) - 10;
546 /* Add 0.9 for rounding */
549 /* Calc real speed */
550 *jtag_speed
= *jtag_speed
/ 10;
552 /* Check if speed is greater than 0 */
558 /* Check max value */
559 if (*jtag_speed
> 0xFFFF)
561 *jtag_speed
= 0xFFFF;
567 static void ft2232_end_state(tap_state_t state
)
569 if (tap_is_state_stable(state
))
570 tap_set_end_state(state
);
573 LOG_ERROR("BUG: %s is not a stable end state", tap_state_name(state
));
578 static void ft2232_read_scan(enum scan_type type
, uint8_t* buffer
, int scan_size
)
580 int num_bytes
= (scan_size
+ 7) / 8;
581 int bits_left
= scan_size
;
584 while (num_bytes
-- > 1)
586 buffer
[cur_byte
++] = buffer_read();
590 buffer
[cur_byte
] = 0x0;
592 /* There is one more partial byte left from the clock data in/out instructions */
595 buffer
[cur_byte
] = buffer_read() >> 1;
597 /* This shift depends on the length of the clock data to tms instruction, insterted at end of the scan, now fixed to a two step transition in ft2232_add_scan */
598 buffer
[cur_byte
] = (buffer
[cur_byte
] | (((buffer_read()) << 1) & 0x80)) >> (8 - bits_left
);
601 static void ft2232_debug_dump_buffer(void)
607 for (i
= 0; i
< ft2232_buffer_size
; i
++)
609 line_p
+= snprintf(line_p
, 256 - (line_p
- line
), "%2.2x ", ft2232_buffer
[i
]);
612 LOG_DEBUG("%s", line
);
618 LOG_DEBUG("%s", line
);
621 static int ft2232_send_and_recv(jtag_command_t
* first
, jtag_command_t
* last
)
628 uint32_t bytes_written
= 0;
629 uint32_t bytes_read
= 0;
631 #ifdef _DEBUG_USB_IO_
632 struct timeval start
, inter
, inter2
, end
;
633 struct timeval d_inter
, d_inter2
, d_end
;
636 #ifdef _DEBUG_USB_COMMS_
637 LOG_DEBUG("write buffer (size %i):", ft2232_buffer_size
);
638 ft2232_debug_dump_buffer();
641 #ifdef _DEBUG_USB_IO_
642 gettimeofday(&start
, NULL
);
645 if ((retval
= ft2232_write(ft2232_buffer
, ft2232_buffer_size
, &bytes_written
)) != ERROR_OK
)
647 LOG_ERROR("couldn't write MPSSE commands to FT2232");
651 #ifdef _DEBUG_USB_IO_
652 gettimeofday(&inter
, NULL
);
655 if (ft2232_expect_read
)
657 /* FIXME this "timeout" is never changed ... */
658 int timeout
= LIBFTDI_READ_RETRY_COUNT
;
659 ft2232_buffer_size
= 0;
661 #ifdef _DEBUG_USB_IO_
662 gettimeofday(&inter2
, NULL
);
665 if ((retval
= ft2232_read(ft2232_buffer
, ft2232_expect_read
, &bytes_read
)) != ERROR_OK
)
667 LOG_ERROR("couldn't read from FT2232");
671 #ifdef _DEBUG_USB_IO_
672 gettimeofday(&end
, NULL
);
674 timeval_subtract(&d_inter
, &inter
, &start
);
675 timeval_subtract(&d_inter2
, &inter2
, &start
);
676 timeval_subtract(&d_end
, &end
, &start
);
678 LOG_INFO("inter: %u.%06u, inter2: %u.%06u end: %u.%06u",
679 (unsigned)d_inter
.tv_sec
, (unsigned)d_inter
.tv_usec
,
680 (unsigned)d_inter2
.tv_sec
, (unsigned)d_inter2
.tv_usec
,
681 (unsigned)d_end
.tv_sec
, (unsigned)d_end
.tv_usec
);
684 ft2232_buffer_size
= bytes_read
;
686 if (ft2232_expect_read
!= ft2232_buffer_size
)
688 LOG_ERROR("ft2232_expect_read (%i) != "
689 "ft2232_buffer_size (%i) "
693 LIBFTDI_READ_RETRY_COUNT
- timeout
);
694 ft2232_debug_dump_buffer();
699 #ifdef _DEBUG_USB_COMMS_
700 LOG_DEBUG("read buffer (%i retries): %i bytes",
701 LIBFTDI_READ_RETRY_COUNT
- timeout
,
703 ft2232_debug_dump_buffer();
707 ft2232_expect_read
= 0;
708 ft2232_read_pointer
= 0;
710 /* return ERROR_OK, unless a jtag_read_buffer returns a failed check
711 * that wasn't handled by a caller-provided error handler
721 type
= jtag_scan_type(cmd
->cmd
.scan
);
722 if (type
!= SCAN_OUT
)
724 scan_size
= jtag_scan_size(cmd
->cmd
.scan
);
725 buffer
= calloc(CEIL(scan_size
, 8), 1);
726 ft2232_read_scan(type
, buffer
, scan_size
);
727 if (jtag_read_buffer(buffer
, cmd
->cmd
.scan
) != ERROR_OK
)
728 retval
= ERROR_JTAG_QUEUE_FAILED
;
740 ft2232_buffer_size
= 0;
746 * Function ft2232_add_pathmove
747 * moves the TAP controller from the current state to a new state through the
748 * given path, where path is an array of tap_state_t's.
750 * @param path is an array of tap_stat_t which gives the states to traverse through
751 * ending with the last state at path[num_states-1]
752 * @param num_states is the count of state steps to move through
754 static void ft2232_add_pathmove(tap_state_t
* path
, int num_states
)
758 assert((unsigned) num_states
<= 32u); /* tms_bits only holds 32 bits */
762 /* this loop verifies that the path is legal and logs each state in the path */
765 unsigned char tms_byte
= 0; /* zero this on each MPSSE batch */
767 int num_states_batch
= num_states
> 7 ? 7 : num_states
;
769 /* command "Clock Data to TMS/CS Pin (no Read)" */
772 /* number of states remaining */
773 buffer_write(num_states_batch
- 1);
775 while (num_states_batch
--) {
776 /* either TMS=0 or TMS=1 must work ... */
777 if (tap_state_transition(tap_get_state(), false)
778 == path
[state_count
])
779 buf_set_u32(&tms_byte
, bit_count
++, 1, 0x0);
780 else if (tap_state_transition(tap_get_state(), true)
781 == path
[state_count
])
782 buf_set_u32(&tms_byte
, bit_count
++, 1, 0x1);
784 /* ... or else the caller goofed BADLY */
786 LOG_ERROR("BUG: %s -> %s isn't a valid "
787 "TAP state transition",
788 tap_state_name(tap_get_state()),
789 tap_state_name(path
[state_count
]));
793 tap_set_state(path
[state_count
]);
798 buffer_write(tms_byte
);
800 tap_set_end_state(tap_get_state());
803 static void ft2232_add_scan(bool ir_scan
, enum scan_type type
, uint8_t* buffer
, int scan_size
)
805 int num_bytes
= (scan_size
+ 7) / 8;
806 int bits_left
= scan_size
;
812 if (tap_get_state() != TAP_DRSHIFT
)
814 move_to_state(TAP_DRSHIFT
);
819 if (tap_get_state() != TAP_IRSHIFT
)
821 move_to_state(TAP_IRSHIFT
);
825 /* add command for complete bytes */
826 while (num_bytes
> 1)
831 /* Clock Data Bytes In and Out LSB First */
833 /* LOG_DEBUG("added TDI bytes (io %i)", num_bytes); */
835 else if (type
== SCAN_OUT
)
837 /* Clock Data Bytes Out on -ve Clock Edge LSB First (no Read) */
839 /* LOG_DEBUG("added TDI bytes (o)"); */
841 else if (type
== SCAN_IN
)
843 /* Clock Data Bytes In on +ve Clock Edge LSB First (no Write) */
845 /* LOG_DEBUG("added TDI bytes (i %i)", num_bytes); */
848 thisrun_bytes
= (num_bytes
> 65537) ? 65536 : (num_bytes
- 1);
849 num_bytes
-= thisrun_bytes
;
851 buffer_write((uint8_t) (thisrun_bytes
- 1));
852 buffer_write((uint8_t) ((thisrun_bytes
- 1) >> 8));
856 /* add complete bytes */
857 while (thisrun_bytes
-- > 0)
859 buffer_write(buffer
[cur_byte
++]);
863 else /* (type == SCAN_IN) */
865 bits_left
-= 8 * (thisrun_bytes
);
869 /* the most signifcant bit is scanned during TAP movement */
871 last_bit
= (buffer
[cur_byte
] >> (bits_left
- 1)) & 0x1;
875 /* process remaining bits but the last one */
880 /* Clock Data Bits In and Out LSB First */
882 /* LOG_DEBUG("added TDI bits (io) %i", bits_left - 1); */
884 else if (type
== SCAN_OUT
)
886 /* Clock Data Bits Out on -ve Clock Edge LSB First (no Read) */
888 /* LOG_DEBUG("added TDI bits (o)"); */
890 else if (type
== SCAN_IN
)
892 /* Clock Data Bits In on +ve Clock Edge LSB First (no Write) */
894 /* LOG_DEBUG("added TDI bits (i %i)", bits_left - 1); */
897 buffer_write(bits_left
- 2);
899 buffer_write(buffer
[cur_byte
]);
902 if ((ir_scan
&& (tap_get_end_state() == TAP_IRSHIFT
))
903 || (!ir_scan
&& (tap_get_end_state() == TAP_DRSHIFT
)))
907 /* Clock Data Bits In and Out LSB First */
909 /* LOG_DEBUG("added TDI bits (io) %i", bits_left - 1); */
911 else if (type
== SCAN_OUT
)
913 /* Clock Data Bits Out on -ve Clock Edge LSB First (no Read) */
915 /* LOG_DEBUG("added TDI bits (o)"); */
917 else if (type
== SCAN_IN
)
919 /* Clock Data Bits In on +ve Clock Edge LSB First (no Write) */
921 /* LOG_DEBUG("added TDI bits (i %i)", bits_left - 1); */
924 buffer_write(last_bit
);
932 /* move from Shift-IR/DR to end state */
933 if (type
!= SCAN_OUT
)
935 /* We always go to the PAUSE state in two step at the end of an IN or IO scan */
936 /* This must be coordinated with the bit shifts in ft2232_read_scan */
939 /* Clock Data to TMS/CS Pin with Read */
944 tms_bits
= tap_get_tms_path(tap_get_state(), tap_get_end_state());
945 tms_count
= tap_get_tms_path_len(tap_get_state(), tap_get_end_state());
946 /* Clock Data to TMS/CS Pin (no Read) */
950 DEBUG_JTAG_IO("finish %s", (type
== SCAN_OUT
) ? "without read" : "via PAUSE");
951 clock_tms(mpsse_cmd
, tms_bits
, tms_count
, last_bit
);
954 if (tap_get_state() != tap_get_end_state())
956 move_to_state(tap_get_end_state());
960 static int ft2232_large_scan(scan_command_t
* cmd
, enum scan_type type
, uint8_t* buffer
, int scan_size
)
962 int num_bytes
= (scan_size
+ 7) / 8;
963 int bits_left
= scan_size
;
966 uint8_t* receive_buffer
= malloc(CEIL(scan_size
, 8));
967 uint8_t* receive_pointer
= receive_buffer
;
968 uint32_t bytes_written
;
971 int thisrun_read
= 0;
975 LOG_ERROR("BUG: large IR scans are not supported");
979 if (tap_get_state() != TAP_DRSHIFT
)
981 move_to_state(TAP_DRSHIFT
);
984 if ((retval
= ft2232_write(ft2232_buffer
, ft2232_buffer_size
, &bytes_written
)) != ERROR_OK
)
986 LOG_ERROR("couldn't write MPSSE commands to FT2232");
989 LOG_DEBUG("ft2232_buffer_size: %i, bytes_written: %i",
990 ft2232_buffer_size
, (int)bytes_written
);
991 ft2232_buffer_size
= 0;
993 /* add command for complete bytes */
994 while (num_bytes
> 1)
1000 /* Clock Data Bytes In and Out LSB First */
1002 /* LOG_DEBUG("added TDI bytes (io %i)", num_bytes); */
1004 else if (type
== SCAN_OUT
)
1006 /* Clock Data Bytes Out on -ve Clock Edge LSB First (no Read) */
1008 /* LOG_DEBUG("added TDI bytes (o)"); */
1010 else if (type
== SCAN_IN
)
1012 /* Clock Data Bytes In on +ve Clock Edge LSB First (no Write) */
1014 /* LOG_DEBUG("added TDI bytes (i %i)", num_bytes); */
1017 thisrun_bytes
= (num_bytes
> 65537) ? 65536 : (num_bytes
- 1);
1018 thisrun_read
= thisrun_bytes
;
1019 num_bytes
-= thisrun_bytes
;
1020 buffer_write((uint8_t) (thisrun_bytes
- 1));
1021 buffer_write((uint8_t) ((thisrun_bytes
- 1) >> 8));
1023 if (type
!= SCAN_IN
)
1025 /* add complete bytes */
1026 while (thisrun_bytes
-- > 0)
1028 buffer_write(buffer
[cur_byte
]);
1033 else /* (type == SCAN_IN) */
1035 bits_left
-= 8 * (thisrun_bytes
);
1038 if ((retval
= ft2232_write(ft2232_buffer
, ft2232_buffer_size
, &bytes_written
)) != ERROR_OK
)
1040 LOG_ERROR("couldn't write MPSSE commands to FT2232");
1043 LOG_DEBUG("ft2232_buffer_size: %i, bytes_written: %i",
1045 (int)bytes_written
);
1046 ft2232_buffer_size
= 0;
1048 if (type
!= SCAN_OUT
)
1050 if ((retval
= ft2232_read(receive_pointer
, thisrun_read
, &bytes_read
)) != ERROR_OK
)
1052 LOG_ERROR("couldn't read from FT2232");
1055 LOG_DEBUG("thisrun_read: %i, bytes_read: %i",
1058 receive_pointer
+= bytes_read
;
1064 /* the most signifcant bit is scanned during TAP movement */
1065 if (type
!= SCAN_IN
)
1066 last_bit
= (buffer
[cur_byte
] >> (bits_left
- 1)) & 0x1;
1070 /* process remaining bits but the last one */
1073 if (type
== SCAN_IO
)
1075 /* Clock Data Bits In and Out LSB First */
1077 /* LOG_DEBUG("added TDI bits (io) %i", bits_left - 1); */
1079 else if (type
== SCAN_OUT
)
1081 /* Clock Data Bits Out on -ve Clock Edge LSB First (no Read) */
1083 /* LOG_DEBUG("added TDI bits (o)"); */
1085 else if (type
== SCAN_IN
)
1087 /* Clock Data Bits In on +ve Clock Edge LSB First (no Write) */
1089 /* LOG_DEBUG("added TDI bits (i %i)", bits_left - 1); */
1091 buffer_write(bits_left
- 2);
1092 if (type
!= SCAN_IN
)
1093 buffer_write(buffer
[cur_byte
]);
1095 if (type
!= SCAN_OUT
)
1099 if (tap_get_end_state() == TAP_DRSHIFT
)
1101 if (type
== SCAN_IO
)
1103 /* Clock Data Bits In and Out LSB First */
1105 /* LOG_DEBUG("added TDI bits (io) %i", bits_left - 1); */
1107 else if (type
== SCAN_OUT
)
1109 /* Clock Data Bits Out on -ve Clock Edge LSB First (no Read) */
1111 /* LOG_DEBUG("added TDI bits (o)"); */
1113 else if (type
== SCAN_IN
)
1115 /* Clock Data Bits In on +ve Clock Edge LSB First (no Write) */
1117 /* LOG_DEBUG("added TDI bits (i %i)", bits_left - 1); */
1120 buffer_write(last_bit
);
1124 int tms_bits
= tap_get_tms_path(tap_get_state(), tap_get_end_state());
1125 int tms_count
= tap_get_tms_path_len(tap_get_state(), tap_get_end_state());
1128 /* move from Shift-IR/DR to end state */
1129 if (type
!= SCAN_OUT
)
1131 /* Clock Data to TMS/CS Pin with Read */
1133 /* LOG_DEBUG("added TMS scan (read)"); */
1137 /* Clock Data to TMS/CS Pin (no Read) */
1139 /* LOG_DEBUG("added TMS scan (no read)"); */
1142 DEBUG_JTAG_IO("finish, %s", (type
== SCAN_OUT
) ? "no read" : "read");
1143 clock_tms(mpsse_cmd
, tms_bits
, tms_count
, last_bit
);
1146 if (type
!= SCAN_OUT
)
1149 if ((retval
= ft2232_write(ft2232_buffer
, ft2232_buffer_size
, &bytes_written
)) != ERROR_OK
)
1151 LOG_ERROR("couldn't write MPSSE commands to FT2232");
1154 LOG_DEBUG("ft2232_buffer_size: %i, bytes_written: %i",
1156 (int)bytes_written
);
1157 ft2232_buffer_size
= 0;
1159 if (type
!= SCAN_OUT
)
1161 if ((retval
= ft2232_read(receive_pointer
, thisrun_read
, &bytes_read
)) != ERROR_OK
)
1163 LOG_ERROR("couldn't read from FT2232");
1166 LOG_DEBUG("thisrun_read: %i, bytes_read: %i",
1169 receive_pointer
+= bytes_read
;
1175 static int ft2232_predict_scan_out(int scan_size
, enum scan_type type
)
1177 int predicted_size
= 3;
1178 int num_bytes
= (scan_size
- 1) / 8;
1180 if (tap_get_state() != TAP_DRSHIFT
)
1181 predicted_size
+= get_tms_buffer_requirements(tap_get_tms_path_len(tap_get_state(), TAP_DRSHIFT
));
1183 if (type
== SCAN_IN
) /* only from device to host */
1185 /* complete bytes */
1186 predicted_size
+= CEIL(num_bytes
, 65536) * 3;
1188 /* remaining bits - 1 (up to 7) */
1189 predicted_size
+= ((scan_size
- 1) % 8) ? 2 : 0;
1191 else /* host to device, or bidirectional */
1193 /* complete bytes */
1194 predicted_size
+= num_bytes
+ CEIL(num_bytes
, 65536) * 3;
1196 /* remaining bits -1 (up to 7) */
1197 predicted_size
+= ((scan_size
- 1) % 8) ? 3 : 0;
1200 return predicted_size
;
1203 static int ft2232_predict_scan_in(int scan_size
, enum scan_type type
)
1205 int predicted_size
= 0;
1207 if (type
!= SCAN_OUT
)
1209 /* complete bytes */
1210 predicted_size
+= (CEIL(scan_size
, 8) > 1) ? (CEIL(scan_size
, 8) - 1) : 0;
1212 /* remaining bits - 1 */
1213 predicted_size
+= ((scan_size
- 1) % 8) ? 1 : 0;
1215 /* last bit (from TMS scan) */
1216 predicted_size
+= 1;
1219 /* LOG_DEBUG("scan_size: %i, predicted_size: %i", scan_size, predicted_size); */
1221 return predicted_size
;
1224 static void usbjtag_reset(int trst
, int srst
)
1226 enum reset_types jtag_reset_config
= jtag_get_reset_config();
1229 if (jtag_reset_config
& RESET_TRST_OPEN_DRAIN
)
1230 low_direction
|= nTRSTnOE
; /* switch to output pin (output is low) */
1232 low_output
&= ~nTRST
; /* switch output low */
1236 if (jtag_reset_config
& RESET_TRST_OPEN_DRAIN
)
1237 low_direction
&= ~nTRSTnOE
; /* switch to input pin (high-Z + internal and external pullup) */
1239 low_output
|= nTRST
; /* switch output high */
1244 if (jtag_reset_config
& RESET_SRST_PUSH_PULL
)
1245 low_output
&= ~nSRST
; /* switch output low */
1247 low_direction
|= nSRSTnOE
; /* switch to output pin (output is low) */
1251 if (jtag_reset_config
& RESET_SRST_PUSH_PULL
)
1252 low_output
|= nSRST
; /* switch output high */
1254 low_direction
&= ~nSRSTnOE
; /* switch to input pin (high-Z) */
1257 /* command "set data bits low byte" */
1259 buffer_write(low_output
);
1260 buffer_write(low_direction
);
1263 static void jtagkey_reset(int trst
, int srst
)
1265 enum reset_types jtag_reset_config
= jtag_get_reset_config();
1268 if (jtag_reset_config
& RESET_TRST_OPEN_DRAIN
)
1269 high_output
&= ~nTRSTnOE
;
1271 high_output
&= ~nTRST
;
1275 if (jtag_reset_config
& RESET_TRST_OPEN_DRAIN
)
1276 high_output
|= nTRSTnOE
;
1278 high_output
|= nTRST
;
1283 if (jtag_reset_config
& RESET_SRST_PUSH_PULL
)
1284 high_output
&= ~nSRST
;
1286 high_output
&= ~nSRSTnOE
;
1290 if (jtag_reset_config
& RESET_SRST_PUSH_PULL
)
1291 high_output
|= nSRST
;
1293 high_output
|= nSRSTnOE
;
1296 /* command "set data bits high byte" */
1298 buffer_write(high_output
);
1299 buffer_write(high_direction
);
1300 LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst
, srst
, high_output
,
1304 static void olimex_jtag_reset(int trst
, int srst
)
1306 enum reset_types jtag_reset_config
= jtag_get_reset_config();
1309 if (jtag_reset_config
& RESET_TRST_OPEN_DRAIN
)
1310 high_output
&= ~nTRSTnOE
;
1312 high_output
&= ~nTRST
;
1316 if (jtag_reset_config
& RESET_TRST_OPEN_DRAIN
)
1317 high_output
|= nTRSTnOE
;
1319 high_output
|= nTRST
;
1324 high_output
|= nSRST
;
1328 high_output
&= ~nSRST
;
1331 /* command "set data bits high byte" */
1333 buffer_write(high_output
);
1334 buffer_write(high_direction
);
1335 LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst
, srst
, high_output
,
1339 static void axm0432_jtag_reset(int trst
, int srst
)
1343 tap_set_state(TAP_RESET
);
1344 high_output
&= ~nTRST
;
1348 high_output
|= nTRST
;
1353 high_output
&= ~nSRST
;
1357 high_output
|= nSRST
;
1360 /* command "set data bits low byte" */
1362 buffer_write(high_output
);
1363 buffer_write(high_direction
);
1364 LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst
, srst
, high_output
,
1368 static void flyswatter_reset(int trst
, int srst
)
1372 low_output
&= ~nTRST
;
1376 low_output
|= nTRST
;
1381 low_output
|= nSRST
;
1385 low_output
&= ~nSRST
;
1388 /* command "set data bits low byte" */
1390 buffer_write(low_output
);
1391 buffer_write(low_direction
);
1392 LOG_DEBUG("trst: %i, srst: %i, low_output: 0x%2.2x, low_direction: 0x%2.2x", trst
, srst
, low_output
, low_direction
);
1395 static void turtle_reset(int trst
, int srst
)
1401 low_output
|= nSRST
;
1405 low_output
&= ~nSRST
;
1408 /* command "set data bits low byte" */
1410 buffer_write(low_output
);
1411 buffer_write(low_direction
);
1412 LOG_DEBUG("srst: %i, low_output: 0x%2.2x, low_direction: 0x%2.2x", srst
, low_output
, low_direction
);
1415 static void comstick_reset(int trst
, int srst
)
1419 high_output
&= ~nTRST
;
1423 high_output
|= nTRST
;
1428 high_output
&= ~nSRST
;
1432 high_output
|= nSRST
;
1435 /* command "set data bits high byte" */
1437 buffer_write(high_output
);
1438 buffer_write(high_direction
);
1439 LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst
, srst
, high_output
,
1443 static void stm32stick_reset(int trst
, int srst
)
1447 high_output
&= ~nTRST
;
1451 high_output
|= nTRST
;
1456 low_output
&= ~nSRST
;
1460 low_output
|= nSRST
;
1463 /* command "set data bits low byte" */
1465 buffer_write(low_output
);
1466 buffer_write(low_direction
);
1468 /* command "set data bits high byte" */
1470 buffer_write(high_output
);
1471 buffer_write(high_direction
);
1472 LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst
, srst
, high_output
,
1476 static void sheevaplug_reset(int trst
, int srst
)
1479 high_output
&= ~nTRST
;
1481 high_output
|= nTRST
;
1484 high_output
&= ~nSRSTnOE
;
1486 high_output
|= nSRSTnOE
;
1488 /* command "set data bits high byte" */
1490 buffer_write(high_output
);
1491 buffer_write(high_direction
);
1492 LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst
, srst
, high_output
, high_direction
);
1495 static int ft2232_execute_runtest(jtag_command_t
*cmd
)
1499 int predicted_size
= 0;
1502 DEBUG_JTAG_IO("runtest %i cycles, end in %s",
1503 cmd
->cmd
.runtest
->num_cycles
,
1504 tap_state_name(cmd
->cmd
.runtest
->end_state
));
1506 /* only send the maximum buffer size that FT2232C can handle */
1508 if (tap_get_state() != TAP_IDLE
)
1509 predicted_size
+= 3;
1510 predicted_size
+= 3 * CEIL(cmd
->cmd
.runtest
->num_cycles
, 7);
1511 if (cmd
->cmd
.runtest
->end_state
!= TAP_IDLE
)
1512 predicted_size
+= 3;
1513 if (tap_get_end_state() != TAP_IDLE
)
1514 predicted_size
+= 3;
1515 if (ft2232_buffer_size
+ predicted_size
+ 1 > FT2232_BUFFER_SIZE
)
1517 if (ft2232_send_and_recv(first_unsent
, cmd
) != ERROR_OK
)
1518 retval
= ERROR_JTAG_QUEUE_FAILED
;
1522 if (tap_get_state() != TAP_IDLE
)
1524 move_to_state(TAP_IDLE
);
1527 i
= cmd
->cmd
.runtest
->num_cycles
;
1530 /* there are no state transitions in this code, so omit state tracking */
1532 /* command "Clock Data to TMS/CS Pin (no Read)" */
1536 buffer_write((i
> 7) ? 6 : (i
- 1));
1541 i
-= (i
> 7) ? 7 : i
;
1542 /* LOG_DEBUG("added TMS scan (no read)"); */
1545 ft2232_end_state(cmd
->cmd
.runtest
->end_state
);
1547 if (tap_get_state() != tap_get_end_state())
1549 move_to_state(tap_get_end_state());
1553 DEBUG_JTAG_IO("runtest: %i, end in %s",
1554 cmd
->cmd
.runtest
->num_cycles
,
1555 tap_state_name(tap_get_end_state()));
1559 static int ft2232_execute_statemove(jtag_command_t
*cmd
)
1561 int predicted_size
= 0;
1562 int retval
= ERROR_OK
;
1564 DEBUG_JTAG_IO("statemove end in %s",
1565 tap_state_name(cmd
->cmd
.statemove
->end_state
));
1567 /* only send the maximum buffer size that FT2232C can handle */
1569 if (ft2232_buffer_size
+ predicted_size
+ 1 > FT2232_BUFFER_SIZE
)
1571 if (ft2232_send_and_recv(first_unsent
, cmd
) != ERROR_OK
)
1572 retval
= ERROR_JTAG_QUEUE_FAILED
;
1576 ft2232_end_state(cmd
->cmd
.statemove
->end_state
);
1578 /* For TAP_RESET, ignore the current recorded state. It's often
1579 * wrong at server startup, and this transation is critical whenever
1582 if (tap_get_end_state() == TAP_RESET
) {
1583 clock_tms(0x4b, 0xff, 5, 0);
1586 /* shortest-path move to desired end state */
1587 } else if (tap_get_state() != tap_get_end_state())
1589 move_to_state(tap_get_end_state());
1596 static int ft2232_execute_pathmove(jtag_command_t
*cmd
)
1598 int predicted_size
= 0;
1599 int retval
= ERROR_OK
;
1601 tap_state_t
* path
= cmd
->cmd
.pathmove
->path
;
1602 int num_states
= cmd
->cmd
.pathmove
->num_states
;
1604 DEBUG_JTAG_IO("pathmove: %i states, current: %s end: %s", num_states
,
1605 tap_state_name(tap_get_state()),
1606 tap_state_name(path
[num_states
-1]));
1608 /* only send the maximum buffer size that FT2232C can handle */
1609 predicted_size
= 3 * CEIL(num_states
, 7);
1610 if (ft2232_buffer_size
+ predicted_size
+ 1 > FT2232_BUFFER_SIZE
)
1612 if (ft2232_send_and_recv(first_unsent
, cmd
) != ERROR_OK
)
1613 retval
= ERROR_JTAG_QUEUE_FAILED
;
1619 ft2232_add_pathmove(path
, num_states
);
1625 static int ft2232_execute_scan(jtag_command_t
*cmd
)
1628 int scan_size
; /* size of IR or DR scan */
1629 int predicted_size
= 0;
1630 int retval
= ERROR_OK
;
1632 enum scan_type type
= jtag_scan_type(cmd
->cmd
.scan
);
1634 DEBUG_JTAG_IO("%s type:%d", cmd
->cmd
.scan
->ir_scan
? "IRSCAN" : "DRSCAN", type
);
1636 scan_size
= jtag_build_buffer(cmd
->cmd
.scan
, &buffer
);
1638 predicted_size
= ft2232_predict_scan_out(scan_size
, type
);
1639 if ((predicted_size
+ 1) > FT2232_BUFFER_SIZE
)
1641 LOG_DEBUG("oversized ft2232 scan (predicted_size > FT2232_BUFFER_SIZE)");
1642 /* unsent commands before this */
1643 if (first_unsent
!= cmd
)
1644 if (ft2232_send_and_recv(first_unsent
, cmd
) != ERROR_OK
)
1645 retval
= ERROR_JTAG_QUEUE_FAILED
;
1647 /* current command */
1648 ft2232_end_state(cmd
->cmd
.scan
->end_state
);
1649 ft2232_large_scan(cmd
->cmd
.scan
, type
, buffer
, scan_size
);
1651 first_unsent
= cmd
->next
;
1656 else if (ft2232_buffer_size
+ predicted_size
+ 1 > FT2232_BUFFER_SIZE
)
1658 LOG_DEBUG("ft2232 buffer size reached, sending queued commands (first_unsent: %p, cmd: %p)",
1661 if (ft2232_send_and_recv(first_unsent
, cmd
) != ERROR_OK
)
1662 retval
= ERROR_JTAG_QUEUE_FAILED
;
1666 ft2232_expect_read
+= ft2232_predict_scan_in(scan_size
, type
);
1667 /* LOG_DEBUG("new read size: %i", ft2232_expect_read); */
1668 ft2232_end_state(cmd
->cmd
.scan
->end_state
);
1669 ft2232_add_scan(cmd
->cmd
.scan
->ir_scan
, type
, buffer
, scan_size
);
1673 DEBUG_JTAG_IO("%s scan, %i bits, end in %s",
1674 (cmd
->cmd
.scan
->ir_scan
) ? "IR" : "DR", scan_size
,
1675 tap_state_name(tap_get_end_state()));
1680 static int ft2232_execute_reset(jtag_command_t
*cmd
)
1683 int predicted_size
= 0;
1686 DEBUG_JTAG_IO("reset trst: %i srst %i",
1687 cmd
->cmd
.reset
->trst
, cmd
->cmd
.reset
->srst
);
1689 /* only send the maximum buffer size that FT2232C can handle */
1691 if (ft2232_buffer_size
+ predicted_size
+ 1 > FT2232_BUFFER_SIZE
)
1693 if (ft2232_send_and_recv(first_unsent
, cmd
) != ERROR_OK
)
1694 retval
= ERROR_JTAG_QUEUE_FAILED
;
1699 if ((cmd
->cmd
.reset
->trst
== 1) || (cmd
->cmd
.reset
->srst
&& (jtag_get_reset_config() & RESET_SRST_PULLS_TRST
)))
1701 tap_set_state(TAP_RESET
);
1704 layout
->reset(cmd
->cmd
.reset
->trst
, cmd
->cmd
.reset
->srst
);
1707 DEBUG_JTAG_IO("trst: %i, srst: %i",
1708 cmd
->cmd
.reset
->trst
, cmd
->cmd
.reset
->srst
);
1712 static int ft2232_execute_sleep(jtag_command_t
*cmd
)
1717 DEBUG_JTAG_IO("sleep %i", cmd
->cmd
.sleep
->us
);
1719 if (ft2232_send_and_recv(first_unsent
, cmd
) != ERROR_OK
)
1720 retval
= ERROR_JTAG_QUEUE_FAILED
;
1721 first_unsent
= cmd
->next
;
1722 jtag_sleep(cmd
->cmd
.sleep
->us
);
1723 DEBUG_JTAG_IO("sleep %i usec while in %s",
1725 tap_state_name(tap_get_state()));
1729 static int ft2232_execute_stableclocks(jtag_command_t
*cmd
)
1734 /* this is only allowed while in a stable state. A check for a stable
1735 * state was done in jtag_add_clocks()
1737 if (ft2232_stableclocks(cmd
->cmd
.stableclocks
->num_cycles
, cmd
) != ERROR_OK
)
1738 retval
= ERROR_JTAG_QUEUE_FAILED
;
1739 DEBUG_JTAG_IO("clocks %i while in %s",
1740 cmd
->cmd
.stableclocks
->num_cycles
,
1741 tap_state_name(tap_get_state()));
1745 static int ft2232_execute_command(jtag_command_t
*cmd
)
1752 case JTAG_RESET
: retval
= ft2232_execute_reset(cmd
); break;
1753 case JTAG_RUNTEST
: retval
= ft2232_execute_runtest(cmd
); break;
1754 case JTAG_STATEMOVE
: retval
= ft2232_execute_statemove(cmd
); break;
1755 case JTAG_PATHMOVE
: retval
= ft2232_execute_pathmove(cmd
); break;
1756 case JTAG_SCAN
: retval
= ft2232_execute_scan(cmd
); break;
1757 case JTAG_SLEEP
: retval
= ft2232_execute_sleep(cmd
); break;
1758 case JTAG_STABLECLOCKS
: retval
= ft2232_execute_stableclocks(cmd
); break;
1760 LOG_ERROR("BUG: unknown JTAG command type encountered");
1766 static int ft2232_execute_queue(void)
1768 jtag_command_t
* cmd
= jtag_command_queue
; /* currently processed command */
1771 first_unsent
= cmd
; /* next command that has to be sent */
1774 /* return ERROR_OK, unless ft2232_send_and_recv reports a failed check
1775 * that wasn't handled by a caller-provided error handler
1779 ft2232_buffer_size
= 0;
1780 ft2232_expect_read
= 0;
1782 /* blink, if the current layout has that feature */
1788 if (ft2232_execute_command(cmd
) != ERROR_OK
)
1789 retval
= ERROR_JTAG_QUEUE_FAILED
;
1790 /* Start reading input before FT2232 TX buffer fills up */
1792 if (ft2232_expect_read
> 256)
1794 if (ft2232_send_and_recv(first_unsent
, cmd
) != ERROR_OK
)
1795 retval
= ERROR_JTAG_QUEUE_FAILED
;
1800 if (require_send
> 0)
1801 if (ft2232_send_and_recv(first_unsent
, cmd
) != ERROR_OK
)
1802 retval
= ERROR_JTAG_QUEUE_FAILED
;
1807 #if BUILD_FT2232_FTD2XX == 1
1808 static int ft2232_init_ftd2xx(uint16_t vid
, uint16_t pid
, int more
, int* try_more
)
1812 char SerialNumber
[16];
1813 char Description
[64];
1814 DWORD openex_flags
= 0;
1815 char* openex_string
= NULL
;
1816 uint8_t latency_timer
;
1818 LOG_DEBUG("'ft2232' interface using FTD2XX with '%s' layout (%4.4x:%4.4x)", ft2232_layout
, vid
, pid
);
1821 /* Add non-standard Vid/Pid to the linux driver */
1822 if ((status
= FT_SetVIDPID(vid
, pid
)) != FT_OK
)
1824 LOG_WARNING("couldn't add %4.4x:%4.4x", vid
, pid
);
1828 if (ft2232_device_desc
&& ft2232_serial
)
1830 LOG_WARNING("can't open by device description and serial number, giving precedence to serial");
1831 ft2232_device_desc
= NULL
;
1834 if (ft2232_device_desc
)
1836 openex_string
= ft2232_device_desc
;
1837 openex_flags
= FT_OPEN_BY_DESCRIPTION
;
1839 else if (ft2232_serial
)
1841 openex_string
= ft2232_serial
;
1842 openex_flags
= FT_OPEN_BY_SERIAL_NUMBER
;
1846 LOG_ERROR("neither device description nor serial number specified");
1847 LOG_ERROR("please add \"ft2232_device_desc <string>\" or \"ft2232_serial <string>\" to your .cfg file");
1849 return ERROR_JTAG_INIT_FAILED
;
1852 status
= FT_OpenEx(openex_string
, openex_flags
, &ftdih
);
1853 if (status
!= FT_OK
) {
1854 /* under Win32, the FTD2XX driver appends an "A" to the end
1855 * of the description, if we tried by the desc, then
1856 * try by the alternate "A" description. */
1857 if (openex_string
== ft2232_device_desc
) {
1858 /* Try the alternate method. */
1859 openex_string
= ft2232_device_desc_A
;
1860 status
= FT_OpenEx(openex_string
, openex_flags
, &ftdih
);
1861 if (status
== FT_OK
) {
1862 /* yea, the "alternate" method worked! */
1864 /* drat, give the user a meaningfull message.
1865 * telling the use we tried *BOTH* methods. */
1866 LOG_WARNING("Unable to open FTDI Device tried: '%s' and '%s'\n",
1868 ft2232_device_desc_A
);
1873 if (status
!= FT_OK
)
1879 LOG_WARNING("unable to open ftdi device (trying more): %lu", status
);
1881 return ERROR_JTAG_INIT_FAILED
;
1883 LOG_ERROR("unable to open ftdi device: %lu", status
);
1884 status
= FT_ListDevices(&num_devices
, NULL
, FT_LIST_NUMBER_ONLY
);
1885 if (status
== FT_OK
)
1887 char** desc_array
= malloc(sizeof(char*) * (num_devices
+ 1));
1890 for (i
= 0; i
< num_devices
; i
++)
1891 desc_array
[i
] = malloc(64);
1893 desc_array
[num_devices
] = NULL
;
1895 status
= FT_ListDevices(desc_array
, &num_devices
, FT_LIST_ALL
| openex_flags
);
1897 if (status
== FT_OK
)
1899 LOG_ERROR("ListDevices: %lu\n", num_devices
);
1900 for (i
= 0; i
< num_devices
; i
++)
1901 LOG_ERROR("%" PRIu32
": \"%s\"", i
, desc_array
[i
]);
1904 for (i
= 0; i
< num_devices
; i
++)
1905 free(desc_array
[i
]);
1911 LOG_ERROR("ListDevices: NONE\n");
1913 return ERROR_JTAG_INIT_FAILED
;
1916 if ((status
= FT_SetLatencyTimer(ftdih
, ft2232_latency
)) != FT_OK
)
1918 LOG_ERROR("unable to set latency timer: %lu", status
);
1919 return ERROR_JTAG_INIT_FAILED
;
1922 if ((status
= FT_GetLatencyTimer(ftdih
, &latency_timer
)) != FT_OK
)
1924 LOG_ERROR("unable to get latency timer: %lu", status
);
1925 return ERROR_JTAG_INIT_FAILED
;
1929 LOG_DEBUG("current latency timer: %i", latency_timer
);
1932 if ((status
= FT_SetTimeouts(ftdih
, 5000, 5000)) != FT_OK
)
1934 LOG_ERROR("unable to set timeouts: %lu", status
);
1935 return ERROR_JTAG_INIT_FAILED
;
1938 if ((status
= FT_SetBitMode(ftdih
, 0x0b, 2)) != FT_OK
)
1940 LOG_ERROR("unable to enable bit i/o mode: %lu", status
);
1941 return ERROR_JTAG_INIT_FAILED
;
1944 if ((status
= FT_GetDeviceInfo(ftdih
, &ftdi_device
, &deviceID
, SerialNumber
, Description
, NULL
)) != FT_OK
)
1946 LOG_ERROR("unable to get FT_GetDeviceInfo: %lu", status
);
1947 return ERROR_JTAG_INIT_FAILED
;
1951 static const char* type_str
[] =
1952 {"BM", "AM", "100AX", "UNKNOWN", "2232C", "232R", "2232H", "4232H"};
1953 unsigned no_of_known_types
= sizeof(type_str
) / sizeof(type_str
[0]) - 1;
1954 unsigned type_index
= ((unsigned)ftdi_device
<= no_of_known_types
)
1955 ? ftdi_device
: FT_DEVICE_UNKNOWN
;
1956 LOG_INFO("device: %lu \"%s\"", ftdi_device
, type_str
[type_index
]);
1957 LOG_INFO("deviceID: %lu", deviceID
);
1958 LOG_INFO("SerialNumber: %s", SerialNumber
);
1959 LOG_INFO("Description: %s", Description
);
1965 static int ft2232_purge_ftd2xx(void)
1969 if ((status
= FT_Purge(ftdih
, FT_PURGE_RX
| FT_PURGE_TX
)) != FT_OK
)
1971 LOG_ERROR("error purging ftd2xx device: %lu", status
);
1972 return ERROR_JTAG_INIT_FAILED
;
1978 #endif /* BUILD_FT2232_FTD2XX == 1 */
1980 #if BUILD_FT2232_LIBFTDI == 1
1981 static int ft2232_init_libftdi(uint16_t vid
, uint16_t pid
, int more
, int* try_more
)
1983 uint8_t latency_timer
;
1985 LOG_DEBUG("'ft2232' interface using libftdi with '%s' layout (%4.4x:%4.4x)",
1986 ft2232_layout
, vid
, pid
);
1988 if (ftdi_init(&ftdic
) < 0)
1989 return ERROR_JTAG_INIT_FAILED
;
1991 if (ftdi_set_interface(&ftdic
, INTERFACE_A
) < 0)
1993 LOG_ERROR("unable to select FT2232 channel A: %s", ftdic
.error_str
);
1994 return ERROR_JTAG_INIT_FAILED
;
1997 /* context, vendor id, product id */
1998 if (ftdi_usb_open_desc(&ftdic
, vid
, pid
, ft2232_device_desc
,
2002 LOG_WARNING("unable to open ftdi device (trying more): %s",
2005 LOG_ERROR("unable to open ftdi device: %s", ftdic
.error_str
);
2007 return ERROR_JTAG_INIT_FAILED
;
2010 /* There is already a reset in ftdi_usb_open_desc, this should be redundant */
2011 if (ftdi_usb_reset(&ftdic
) < 0)
2013 LOG_ERROR("unable to reset ftdi device");
2014 return ERROR_JTAG_INIT_FAILED
;
2017 if (ftdi_set_latency_timer(&ftdic
, ft2232_latency
) < 0)
2019 LOG_ERROR("unable to set latency timer");
2020 return ERROR_JTAG_INIT_FAILED
;
2023 if (ftdi_get_latency_timer(&ftdic
, &latency_timer
) < 0)
2025 LOG_ERROR("unable to get latency timer");
2026 return ERROR_JTAG_INIT_FAILED
;
2030 LOG_DEBUG("current latency timer: %i", latency_timer
);
2033 ftdi_set_bitmode(&ftdic
, 0x0b, 2); /* ctx, JTAG I/O mask */
2035 ftdi_device
= ftdic
.type
;
2036 static const char* type_str
[] =
2037 {"AM", "BM", "2232C", "R", "2232H", "4232H", "Unknown"};
2038 unsigned no_of_known_types
= sizeof(type_str
) / sizeof(type_str
[0]) - 1;
2039 unsigned type_index
= ((unsigned)ftdi_device
< no_of_known_types
)
2040 ? ftdi_device
: no_of_known_types
;
2041 LOG_DEBUG("FTDI chip type: %i \"%s\"", (int)ftdi_device
, type_str
[type_index
]);
2045 static int ft2232_purge_libftdi(void)
2047 if (ftdi_usb_purge_buffers(&ftdic
) < 0)
2049 LOG_ERROR("ftdi_purge_buffers: %s", ftdic
.error_str
);
2050 return ERROR_JTAG_INIT_FAILED
;
2056 #endif /* BUILD_FT2232_LIBFTDI == 1 */
2058 static int ft2232_init(void)
2062 uint32_t bytes_written
;
2063 const ft2232_layout_t
* cur_layout
= ft2232_layouts
;
2066 if (tap_get_tms_path_len(TAP_IRPAUSE
,TAP_IRPAUSE
) == 7)
2068 LOG_DEBUG("ft2232 interface using 7 step jtag state transitions");
2072 LOG_DEBUG("ft2232 interface using shortest path jtag state transitions");
2075 if ((ft2232_layout
== NULL
) || (ft2232_layout
[0] == 0))
2077 ft2232_layout
= "usbjtag";
2078 LOG_WARNING("No ft2232 layout specified, using default 'usbjtag'");
2081 while (cur_layout
->name
)
2083 if (strcmp(cur_layout
->name
, ft2232_layout
) == 0)
2085 layout
= cur_layout
;
2093 LOG_ERROR("No matching layout found for %s", ft2232_layout
);
2094 return ERROR_JTAG_INIT_FAILED
;
2100 * "more indicates that there are more IDs to try, so we should
2101 * not print an error for an ID mismatch (but for anything
2104 * try_more indicates that the error code returned indicates an
2105 * ID mismatch (and nothing else) and that we should proceeed
2106 * with the next ID pair.
2108 int more
= ft2232_vid
[i
+ 1] || ft2232_pid
[i
+ 1];
2111 #if BUILD_FT2232_FTD2XX == 1
2112 retval
= ft2232_init_ftd2xx(ft2232_vid
[i
], ft2232_pid
[i
],
2114 #elif BUILD_FT2232_LIBFTDI == 1
2115 retval
= ft2232_init_libftdi(ft2232_vid
[i
], ft2232_pid
[i
],
2120 if (!more
|| !try_more
)
2124 ft2232_buffer_size
= 0;
2125 ft2232_buffer
= malloc(FT2232_BUFFER_SIZE
);
2127 if (layout
->init() != ERROR_OK
)
2128 return ERROR_JTAG_INIT_FAILED
;
2130 if (ft2232_device_is_highspeed())
2132 #ifndef BUILD_FT2232_HIGHSPEED
2133 #if BUILD_FT2232_FTD2XX == 1
2134 LOG_WARNING("High Speed device found - You need a newer FTD2XX driver (version 2.04.16 or later)");
2135 #elif BUILD_FT2232_LIBFTDI == 1
2136 LOG_WARNING("High Speed device found - You need a newer libftdi version (0.16 or later)");
2139 /* make sure the legacy mode is disabled */
2140 if (ft2232h_ft4232h_clk_divide_by_5(false) != ERROR_OK
)
2141 return ERROR_JTAG_INIT_FAILED
;
2144 ft2232_speed(jtag_get_speed());
2146 buf
[0] = 0x85; /* Disconnect TDI/DO to TDO/DI for Loopback */
2147 if (((retval
= ft2232_write(buf
, 1, &bytes_written
)) != ERROR_OK
) || (bytes_written
!= 1))
2149 LOG_ERROR("couldn't write to FT2232 to disable loopback");
2150 return ERROR_JTAG_INIT_FAILED
;
2153 #if BUILD_FT2232_FTD2XX == 1
2154 return ft2232_purge_ftd2xx();
2155 #elif BUILD_FT2232_LIBFTDI == 1
2156 return ft2232_purge_libftdi();
2162 static int usbjtag_init(void)
2165 uint32_t bytes_written
;
2168 low_direction
= 0x0b;
2170 if (strcmp(ft2232_layout
, "usbjtag") == 0)
2177 else if (strcmp(ft2232_layout
, "signalyzer") == 0)
2184 else if (strcmp(ft2232_layout
, "evb_lm3s811") == 0)
2191 low_direction
= 0x8b;
2193 else if (strcmp(ft2232_layout
, "luminary_icdi") == 0)
2200 low_direction
= 0xcb;
2204 LOG_ERROR("BUG: usbjtag_init called for unknown layout '%s'", ft2232_layout
);
2205 return ERROR_JTAG_INIT_FAILED
;
2208 enum reset_types jtag_reset_config
= jtag_get_reset_config();
2209 if (jtag_reset_config
& RESET_TRST_OPEN_DRAIN
)
2211 low_direction
&= ~nTRSTnOE
; /* nTRST input */
2212 low_output
&= ~nTRST
; /* nTRST = 0 */
2216 low_direction
|= nTRSTnOE
; /* nTRST output */
2217 low_output
|= nTRST
; /* nTRST = 1 */
2220 if (jtag_reset_config
& RESET_SRST_PUSH_PULL
)
2222 low_direction
|= nSRSTnOE
; /* nSRST output */
2223 low_output
|= nSRST
; /* nSRST = 1 */
2227 low_direction
&= ~nSRSTnOE
; /* nSRST input */
2228 low_output
&= ~nSRST
; /* nSRST = 0 */
2231 /* initialize low byte for jtag */
2232 buf
[0] = 0x80; /* command "set data bits low byte" */
2233 buf
[1] = low_output
; /* value (TMS = 1,TCK = 0, TDI = 0, xRST high) */
2234 buf
[2] = low_direction
; /* dir (output = 1), TCK/TDI/TMS = out, TDO = in */
2235 LOG_DEBUG("%2.2x %2.2x %2.2x", buf
[0], buf
[1], buf
[2]);
2237 if (((ft2232_write(buf
, 3, &bytes_written
)) != ERROR_OK
) || (bytes_written
!= 3))
2239 LOG_ERROR("couldn't initialize FT2232 with 'USBJTAG' layout");
2240 return ERROR_JTAG_INIT_FAILED
;
2246 static int axm0432_jtag_init(void)
2249 uint32_t bytes_written
;
2252 low_direction
= 0x2b;
2254 /* initialize low byte for jtag */
2255 buf
[0] = 0x80; /* command "set data bits low byte" */
2256 buf
[1] = low_output
; /* value (TMS = 1,TCK = 0, TDI = 0, nOE = 0) */
2257 buf
[2] = low_direction
; /* dir (output = 1), TCK/TDI/TMS = out, TDO = in, nOE = out */
2258 LOG_DEBUG("%2.2x %2.2x %2.2x", buf
[0], buf
[1], buf
[2]);
2260 if (((ft2232_write(buf
, 3, &bytes_written
)) != ERROR_OK
) || (bytes_written
!= 3))
2262 LOG_ERROR("couldn't initialize FT2232 with 'JTAGkey' layout");
2263 return ERROR_JTAG_INIT_FAILED
;
2266 if (strcmp(layout
->name
, "axm0432_jtag") == 0)
2269 nTRSTnOE
= 0x0; /* No output enable for TRST*/
2271 nSRSTnOE
= 0x0; /* No output enable for SRST*/
2275 LOG_ERROR("BUG: axm0432_jtag_init called for non axm0432 layout");
2280 high_direction
= 0x0c;
2282 enum reset_types jtag_reset_config
= jtag_get_reset_config();
2283 if (jtag_reset_config
& RESET_TRST_OPEN_DRAIN
)
2285 LOG_ERROR("can't set nTRSTOE to push-pull on the Dicarlo jtag");
2289 high_output
|= nTRST
;
2292 if (jtag_reset_config
& RESET_SRST_PUSH_PULL
)
2294 LOG_ERROR("can't set nSRST to push-pull on the Dicarlo jtag");
2298 high_output
|= nSRST
;
2301 /* initialize high port */
2302 buf
[0] = 0x82; /* command "set data bits high byte" */
2303 buf
[1] = high_output
; /* value */
2304 buf
[2] = high_direction
; /* all outputs (xRST and xRSTnOE) */
2305 LOG_DEBUG("%2.2x %2.2x %2.2x", buf
[0], buf
[1], buf
[2]);
2307 if (((ft2232_write(buf
, 3, &bytes_written
)) != ERROR_OK
) || (bytes_written
!= 3))
2309 LOG_ERROR("couldn't initialize FT2232 with 'Dicarlo' layout");
2310 return ERROR_JTAG_INIT_FAILED
;
2316 static int jtagkey_init(void)
2319 uint32_t bytes_written
;
2322 low_direction
= 0x1b;
2324 /* initialize low byte for jtag */
2325 buf
[0] = 0x80; /* command "set data bits low byte" */
2326 buf
[1] = low_output
; /* value (TMS = 1,TCK = 0, TDI = 0, nOE = 0) */
2327 buf
[2] = low_direction
; /* dir (output = 1), TCK/TDI/TMS = out, TDO = in, nOE = out */
2328 LOG_DEBUG("%2.2x %2.2x %2.2x", buf
[0], buf
[1], buf
[2]);
2330 if (((ft2232_write(buf
, 3, &bytes_written
)) != ERROR_OK
) || (bytes_written
!= 3))
2332 LOG_ERROR("couldn't initialize FT2232 with 'JTAGkey' layout");
2333 return ERROR_JTAG_INIT_FAILED
;
2336 if (strcmp(layout
->name
, "jtagkey") == 0)
2343 else if ((strcmp(layout
->name
, "jtagkey_prototype_v1") == 0)
2344 || (strcmp(layout
->name
, "oocdlink") == 0))
2353 LOG_ERROR("BUG: jtagkey_init called for non jtagkey layout");
2358 high_direction
= 0x0f;
2360 enum reset_types jtag_reset_config
= jtag_get_reset_config();
2361 if (jtag_reset_config
& RESET_TRST_OPEN_DRAIN
)
2363 high_output
|= nTRSTnOE
;
2364 high_output
&= ~nTRST
;
2368 high_output
&= ~nTRSTnOE
;
2369 high_output
|= nTRST
;
2372 if (jtag_reset_config
& RESET_SRST_PUSH_PULL
)
2374 high_output
&= ~nSRSTnOE
;
2375 high_output
|= nSRST
;
2379 high_output
|= nSRSTnOE
;
2380 high_output
&= ~nSRST
;
2383 /* initialize high port */
2384 buf
[0] = 0x82; /* command "set data bits high byte" */
2385 buf
[1] = high_output
; /* value */
2386 buf
[2] = high_direction
; /* all outputs (xRST and xRSTnOE) */
2387 LOG_DEBUG("%2.2x %2.2x %2.2x", buf
[0], buf
[1], buf
[2]);
2389 if (((ft2232_write(buf
, 3, &bytes_written
)) != ERROR_OK
) || (bytes_written
!= 3))
2391 LOG_ERROR("couldn't initialize FT2232 with 'JTAGkey' layout");
2392 return ERROR_JTAG_INIT_FAILED
;
2398 static int olimex_jtag_init(void)
2401 uint32_t bytes_written
;
2404 low_direction
= 0x1b;
2406 /* initialize low byte for jtag */
2407 buf
[0] = 0x80; /* command "set data bits low byte" */
2408 buf
[1] = low_output
; /* value (TMS = 1,TCK = 0, TDI = 0, nOE = 0) */
2409 buf
[2] = low_direction
; /* dir (output = 1), TCK/TDI/TMS = out, TDO = in, nOE = out */
2410 LOG_DEBUG("%2.2x %2.2x %2.2x", buf
[0], buf
[1], buf
[2]);
2412 if (((ft2232_write(buf
, 3, &bytes_written
)) != ERROR_OK
) || (bytes_written
!= 3))
2414 LOG_ERROR("couldn't initialize FT2232 with 'Olimex' layout");
2415 return ERROR_JTAG_INIT_FAILED
;
2421 nSRSTnOE
= 0x00; /* no output enable for nSRST */
2424 high_direction
= 0x0f;
2426 enum reset_types jtag_reset_config
= jtag_get_reset_config();
2427 if (jtag_reset_config
& RESET_TRST_OPEN_DRAIN
)
2429 high_output
|= nTRSTnOE
;
2430 high_output
&= ~nTRST
;
2434 high_output
&= ~nTRSTnOE
;
2435 high_output
|= nTRST
;
2438 if (jtag_reset_config
& RESET_SRST_PUSH_PULL
)
2440 LOG_ERROR("can't set nSRST to push-pull on the Olimex ARM-USB-OCD");
2444 high_output
&= ~nSRST
;
2447 /* turn red LED on */
2448 high_output
|= 0x08;
2450 /* initialize high port */
2451 buf
[0] = 0x82; /* command "set data bits high byte" */
2452 buf
[1] = high_output
; /* value */
2453 buf
[2] = high_direction
; /* all outputs (xRST and xRSTnOE) */
2454 LOG_DEBUG("%2.2x %2.2x %2.2x", buf
[0], buf
[1], buf
[2]);
2456 if ((ft2232_write(buf
, 3, &bytes_written
) != ERROR_OK
) || (bytes_written
!= 3))
2458 LOG_ERROR("couldn't initialize FT2232 with 'Olimex' layout");
2459 return ERROR_JTAG_INIT_FAILED
;
2465 static int flyswatter_init(void)
2468 uint32_t bytes_written
;
2471 low_direction
= 0xfb;
2473 /* initialize low byte for jtag */
2474 buf
[0] = 0x80; /* command "set data bits low byte" */
2475 buf
[1] = low_output
; /* value (TMS = 1,TCK = 0, TDI = 0, nOE = 0) */
2476 buf
[2] = low_direction
; /* dir (output = 1), TCK/TDI/TMS = out, TDO = in, nOE[12]=out, n[ST]srst = out */
2477 LOG_DEBUG("%2.2x %2.2x %2.2x", buf
[0], buf
[1], buf
[2]);
2479 if (((ft2232_write(buf
, 3, &bytes_written
)) != ERROR_OK
) || (bytes_written
!= 3))
2481 LOG_ERROR("couldn't initialize FT2232 with 'flyswatter' layout");
2482 return ERROR_JTAG_INIT_FAILED
;
2486 nTRSTnOE
= 0x0; /* not output enable for nTRST */
2488 nSRSTnOE
= 0x00; /* no output enable for nSRST */
2491 high_direction
= 0x0c;
2493 /* turn red LED3 on, LED2 off */
2494 high_output
|= 0x08;
2496 /* initialize high port */
2497 buf
[0] = 0x82; /* command "set data bits high byte" */
2498 buf
[1] = high_output
; /* value */
2499 buf
[2] = high_direction
; /* all outputs (xRST and xRSTnOE) */
2500 LOG_DEBUG("%2.2x %2.2x %2.2x", buf
[0], buf
[1], buf
[2]);
2502 if (((ft2232_write(buf
, 3, &bytes_written
)) != ERROR_OK
) || (bytes_written
!= 3))
2504 LOG_ERROR("couldn't initialize FT2232 with 'flyswatter' layout");
2505 return ERROR_JTAG_INIT_FAILED
;
2511 static int turtle_init(void)
2514 uint32_t bytes_written
;
2517 low_direction
= 0x5b;
2519 /* initialize low byte for jtag */
2520 buf
[0] = 0x80; /* command "set data bits low byte" */
2521 buf
[1] = low_output
; /* value (TMS = 1,TCK = 0, TDI = 0, nOE = 0) */
2522 buf
[2] = low_direction
; /* dir (output = 1), TCK/TDI/TMS = out, TDO = in, nOE = out */
2523 LOG_DEBUG("%2.2x %2.2x %2.2x", buf
[0], buf
[1], buf
[2]);
2525 if (((ft2232_write(buf
, 3, &bytes_written
)) != ERROR_OK
) || (bytes_written
!= 3))
2527 LOG_ERROR("couldn't initialize FT2232 with 'turtelizer2' layout");
2528 return ERROR_JTAG_INIT_FAILED
;
2534 high_direction
= 0x0C;
2536 /* initialize high port */
2537 buf
[0] = 0x82; /* command "set data bits high byte" */
2538 buf
[1] = high_output
;
2539 buf
[2] = high_direction
;
2540 LOG_DEBUG("%2.2x %2.2x %2.2x", buf
[0], buf
[1], buf
[2]);
2542 if (((ft2232_write(buf
, 3, &bytes_written
)) != ERROR_OK
) || (bytes_written
!= 3))
2544 LOG_ERROR("couldn't initialize FT2232 with 'turtelizer2' layout");
2545 return ERROR_JTAG_INIT_FAILED
;
2551 static int comstick_init(void)
2554 uint32_t bytes_written
;
2557 low_direction
= 0x0b;
2559 /* initialize low byte for jtag */
2560 buf
[0] = 0x80; /* command "set data bits low byte" */
2561 buf
[1] = low_output
; /* value (TMS = 1,TCK = 0, TDI = 0, nOE = 0) */
2562 buf
[2] = low_direction
; /* dir (output = 1), TCK/TDI/TMS = out, TDO = in, nOE = out */
2563 LOG_DEBUG("%2.2x %2.2x %2.2x", buf
[0], buf
[1], buf
[2]);
2565 if (((ft2232_write(buf
, 3, &bytes_written
)) != ERROR_OK
) || (bytes_written
!= 3))
2567 LOG_ERROR("couldn't initialize FT2232 with 'comstick' layout");
2568 return ERROR_JTAG_INIT_FAILED
;
2572 nTRSTnOE
= 0x00; /* no output enable for nTRST */
2574 nSRSTnOE
= 0x00; /* no output enable for nSRST */
2577 high_direction
= 0x03;
2579 /* initialize high port */
2580 buf
[0] = 0x82; /* command "set data bits high byte" */
2581 buf
[1] = high_output
;
2582 buf
[2] = high_direction
;
2583 LOG_DEBUG("%2.2x %2.2x %2.2x", buf
[0], buf
[1], buf
[2]);
2585 if (((ft2232_write(buf
, 3, &bytes_written
)) != ERROR_OK
) || (bytes_written
!= 3))
2587 LOG_ERROR("couldn't initialize FT2232 with 'comstick' layout");
2588 return ERROR_JTAG_INIT_FAILED
;
2594 static int stm32stick_init(void)
2597 uint32_t bytes_written
;
2600 low_direction
= 0x8b;
2602 /* initialize low byte for jtag */
2603 buf
[0] = 0x80; /* command "set data bits low byte" */
2604 buf
[1] = low_output
; /* value (TMS = 1,TCK = 0, TDI = 0, nOE = 0) */
2605 buf
[2] = low_direction
; /* dir (output = 1), TCK/TDI/TMS = out, TDO = in, nOE = out */
2606 LOG_DEBUG("%2.2x %2.2x %2.2x", buf
[0], buf
[1], buf
[2]);
2608 if (((ft2232_write(buf
, 3, &bytes_written
)) != ERROR_OK
) || (bytes_written
!= 3))
2610 LOG_ERROR("couldn't initialize FT2232 with 'stm32stick' layout");
2611 return ERROR_JTAG_INIT_FAILED
;
2615 nTRSTnOE
= 0x00; /* no output enable for nTRST */
2617 nSRSTnOE
= 0x00; /* no output enable for nSRST */
2620 high_direction
= 0x03;
2622 /* initialize high port */
2623 buf
[0] = 0x82; /* command "set data bits high byte" */
2624 buf
[1] = high_output
;
2625 buf
[2] = high_direction
;
2626 LOG_DEBUG("%2.2x %2.2x %2.2x", buf
[0], buf
[1], buf
[2]);
2628 if (((ft2232_write(buf
, 3, &bytes_written
)) != ERROR_OK
) || (bytes_written
!= 3))
2630 LOG_ERROR("couldn't initialize FT2232 with 'stm32stick' layout");
2631 return ERROR_JTAG_INIT_FAILED
;
2637 static int sheevaplug_init(void)
2640 uint32_t bytes_written
;
2643 low_direction
= 0x1b;
2645 /* initialize low byte for jtag */
2646 buf
[0] = 0x80; /* command "set data bits low byte" */
2647 buf
[1] = low_output
; /* value (TMS = 1,TCK = 0, TDI = 0, nOE = 0) */
2648 buf
[2] = low_direction
; /* dir (output = 1), TCK/TDI/TMS = out, TDO = in */
2649 LOG_DEBUG("%2.2x %2.2x %2.2x", buf
[0], buf
[1], buf
[2]);
2651 if (((ft2232_write(buf
, 3, &bytes_written
)) != ERROR_OK
) || (bytes_written
!= 3))
2653 LOG_ERROR("couldn't initialize FT2232 with 'sheevaplug' layout");
2654 return ERROR_JTAG_INIT_FAILED
;
2663 high_direction
= 0x0f;
2665 /* nTRST is always push-pull */
2666 high_output
&= ~nTRSTnOE
;
2667 high_output
|= nTRST
;
2669 /* nSRST is always open-drain */
2670 high_output
|= nSRSTnOE
;
2671 high_output
&= ~nSRST
;
2673 /* initialize high port */
2674 buf
[0] = 0x82; /* command "set data bits high byte" */
2675 buf
[1] = high_output
; /* value */
2676 buf
[2] = high_direction
; /* all outputs - xRST */
2677 LOG_DEBUG("%2.2x %2.2x %2.2x", buf
[0], buf
[1], buf
[2]);
2679 if (((ft2232_write(buf
, 3, &bytes_written
)) != ERROR_OK
) || (bytes_written
!= 3))
2681 LOG_ERROR("couldn't initialize FT2232 with 'sheevaplug' layout");
2682 return ERROR_JTAG_INIT_FAILED
;
2688 static int cortino_jtag_init(void)
2691 uint32_t bytes_written
;
2694 low_direction
= 0x1b;
2696 /* initialize low byte for jtag */
2697 buf
[0] = 0x80; /* command "set data bits low byte" */
2698 buf
[1] = low_output
; /* value (TMS = 1,TCK = 0, TDI = 0, nOE = 0) */
2699 buf
[2] = low_direction
; /* dir (output = 1), TCK/TDI/TMS = out, TDO = in, nOE = out */
2700 LOG_DEBUG("%2.2x %2.2x %2.2x", buf
[0], buf
[1], buf
[2]);
2702 if (((ft2232_write(buf
, 3, &bytes_written
)) != ERROR_OK
) || (bytes_written
!= 3))
2704 LOG_ERROR("couldn't initialize FT2232 with 'cortino' layout");
2705 return ERROR_JTAG_INIT_FAILED
;
2709 nTRSTnOE
= 0x00; /* no output enable for nTRST */
2711 nSRSTnOE
= 0x00; /* no output enable for nSRST */
2714 high_direction
= 0x03;
2716 /* initialize high port */
2717 buf
[0] = 0x82; /* command "set data bits high byte" */
2718 buf
[1] = high_output
;
2719 buf
[2] = high_direction
;
2720 LOG_DEBUG("%2.2x %2.2x %2.2x", buf
[0], buf
[1], buf
[2]);
2722 if (((ft2232_write(buf
, 3, &bytes_written
)) != ERROR_OK
) || (bytes_written
!= 3))
2724 LOG_ERROR("couldn't initialize FT2232 with 'stm32stick' layout");
2725 return ERROR_JTAG_INIT_FAILED
;
2731 static void olimex_jtag_blink(void)
2733 /* Olimex ARM-USB-OCD has a LED connected to ACBUS3
2734 * ACBUS3 is bit 3 of the GPIOH port
2736 if (high_output
& 0x08)
2738 /* set port pin high */
2739 high_output
&= 0x07;
2743 /* set port pin low */
2744 high_output
|= 0x08;
2748 buffer_write(high_output
);
2749 buffer_write(high_direction
);
2752 static void flyswatter_jtag_blink(void)
2755 * Flyswatter has two LEDs connected to ACBUS2 and ACBUS3
2757 high_output
^= 0x0c;
2760 buffer_write(high_output
);
2761 buffer_write(high_direction
);
2764 static void turtle_jtag_blink(void)
2767 * Turtelizer2 has two LEDs connected to ACBUS2 and ACBUS3
2769 if (high_output
& 0x08)
2779 buffer_write(high_output
);
2780 buffer_write(high_direction
);
2783 static int ft2232_quit(void)
2785 #if BUILD_FT2232_FTD2XX == 1
2788 status
= FT_Close(ftdih
);
2789 #elif BUILD_FT2232_LIBFTDI == 1
2790 ftdi_usb_close(&ftdic
);
2792 ftdi_deinit(&ftdic
);
2795 free(ft2232_buffer
);
2796 ft2232_buffer
= NULL
;
2801 COMMAND_HANDLER(ft2232_handle_device_desc_command
)
2807 ft2232_device_desc
= strdup(args
[0]);
2808 cp
= strchr(ft2232_device_desc
, 0);
2809 /* under Win32, the FTD2XX driver appends an "A" to the end
2810 * of the description, this examines the given desc
2811 * and creates the 'missing' _A or non_A variable. */
2812 if ((cp
[-1] == 'A') && (cp
[-2]==' ')) {
2813 /* it was, so make this the "A" version. */
2814 ft2232_device_desc_A
= ft2232_device_desc
;
2815 /* and *CREATE* the non-A version. */
2816 strcpy(buf
, ft2232_device_desc
);
2817 cp
= strchr(buf
, 0);
2819 ft2232_device_desc
= strdup(buf
);
2821 /* <space > A not defined
2823 sprintf(buf
, "%s A", ft2232_device_desc
);
2824 ft2232_device_desc_A
= strdup(buf
);
2829 LOG_ERROR("expected exactly one argument to ft2232_device_desc <description>");
2835 COMMAND_HANDLER(ft2232_handle_serial_command
)
2839 ft2232_serial
= strdup(args
[0]);
2843 LOG_ERROR("expected exactly one argument to ft2232_serial <serial-number>");
2849 COMMAND_HANDLER(ft2232_handle_layout_command
)
2854 ft2232_layout
= malloc(strlen(args
[0]) + 1);
2855 strcpy(ft2232_layout
, args
[0]);
2860 COMMAND_HANDLER(ft2232_handle_vid_pid_command
)
2862 if (argc
> MAX_USB_IDS
* 2)
2864 LOG_WARNING("ignoring extra IDs in ft2232_vid_pid "
2865 "(maximum is %d pairs)", MAX_USB_IDS
);
2866 argc
= MAX_USB_IDS
* 2;
2868 if (argc
< 2 || (argc
& 1))
2870 LOG_WARNING("incomplete ft2232_vid_pid configuration directive");
2872 return ERROR_COMMAND_SYNTAX_ERROR
;
2873 /* remove the incomplete trailing id */
2878 for (i
= 0; i
< argc
; i
+= 2)
2880 COMMAND_PARSE_NUMBER(u16
, args
[i
], ft2232_vid
[i
>> 1]);
2881 COMMAND_PARSE_NUMBER(u16
, args
[i
+ 1], ft2232_pid
[i
>> 1]);
2885 * Explicitly terminate, in case there are multiples instances of
2888 ft2232_vid
[i
>> 1] = ft2232_pid
[i
>> 1] = 0;
2893 COMMAND_HANDLER(ft2232_handle_latency_command
)
2897 ft2232_latency
= atoi(args
[0]);
2901 LOG_ERROR("expected exactly one argument to ft2232_latency <ms>");
2907 static int ft2232_stableclocks(int num_cycles
, jtag_command_t
* cmd
)
2911 /* 7 bits of either ones or zeros. */
2912 uint8_t tms
= (tap_get_state() == TAP_RESET
? 0x7F : 0x00);
2914 while (num_cycles
> 0)
2916 /* the command 0x4b, "Clock Data to TMS/CS Pin (no Read)" handles
2917 * at most 7 bits per invocation. Here we invoke it potentially
2920 int bitcount_per_command
= (num_cycles
> 7) ? 7 : num_cycles
;
2922 if (ft2232_buffer_size
+ 3 >= FT2232_BUFFER_SIZE
)
2924 if (ft2232_send_and_recv(first_unsent
, cmd
) != ERROR_OK
)
2925 retval
= ERROR_JTAG_QUEUE_FAILED
;
2930 /* there are no state transitions in this code, so omit state tracking */
2932 /* command "Clock Data to TMS/CS Pin (no Read)" */
2936 buffer_write(bitcount_per_command
- 1);
2938 /* TMS data bits are either all zeros or ones to stay in the current stable state */
2943 num_cycles
-= bitcount_per_command
;
2949 /* ---------------------------------------------------------------------
2950 * Support for IceBear JTAG adapter from Section5:
2951 * http://section5.ch/icebear
2953 * Author: Sten, debian@sansys-electronic.com
2956 /* Icebear pin layout
2958 * ADBUS5 (nEMU) nSRST | 2 1| GND (10k->VCC)
2959 * GND GND | 4 3| n.c.
2960 * ADBUS3 TMS | 6 5| ADBUS6 VCC
2961 * ADBUS0 TCK | 8 7| ADBUS7 (GND)
2962 * ADBUS4 nTRST |10 9| ACBUS0 (GND)
2963 * ADBUS1 TDI |12 11| ACBUS1 (GND)
2964 * ADBUS2 TDO |14 13| GND GND
2966 * ADBUS0 O L TCK ACBUS0 GND
2967 * ADBUS1 O L TDI ACBUS1 GND
2968 * ADBUS2 I TDO ACBUS2 n.c.
2969 * ADBUS3 O H TMS ACBUS3 n.c.
2975 static int icebear_jtag_init(void) {
2977 uint32_t bytes_written
;
2979 low_direction
= 0x0b; /* output: TCK TDI TMS; input: TDO */
2980 low_output
= 0x08; /* high: TMS; low: TCK TDI */
2984 enum reset_types jtag_reset_config
= jtag_get_reset_config();
2985 if ((jtag_reset_config
& RESET_TRST_OPEN_DRAIN
) != 0) {
2986 low_direction
&= ~nTRST
; /* nTRST high impedance */
2989 low_direction
|= nTRST
;
2990 low_output
|= nTRST
;
2993 low_direction
|= nSRST
;
2994 low_output
|= nSRST
;
2996 /* initialize low byte for jtag */
2997 buf
[0] = 0x80; /* command "set data bits low byte" */
2998 buf
[1] = low_output
;
2999 buf
[2] = low_direction
;
3000 LOG_DEBUG("%2.2x %2.2x %2.2x", buf
[0], buf
[1], buf
[2]);
3002 if (((ft2232_write(buf
, 3, &bytes_written
)) != ERROR_OK
) || (bytes_written
!= 3)) {
3003 LOG_ERROR("couldn't initialize FT2232 with 'IceBear' layout (low)");
3004 return ERROR_JTAG_INIT_FAILED
;
3008 high_direction
= 0x00;
3011 /* initialize high port */
3012 buf
[0] = 0x82; /* command "set data bits high byte" */
3013 buf
[1] = high_output
; /* value */
3014 buf
[2] = high_direction
; /* all outputs (xRST and xRSTnOE) */
3015 LOG_DEBUG("%2.2x %2.2x %2.2x", buf
[0], buf
[1], buf
[2]);
3017 if (((ft2232_write(buf
, 3, &bytes_written
)) != ERROR_OK
) || (bytes_written
!= 3)) {
3018 LOG_ERROR("couldn't initialize FT2232 with 'IceBear' layout (high)");
3019 return ERROR_JTAG_INIT_FAILED
;
3025 static void icebear_jtag_reset(int trst
, int srst
) {
3028 low_direction
|= nTRST
;
3029 low_output
&= ~nTRST
;
3031 else if (trst
== 0) {
3032 enum reset_types jtag_reset_config
= jtag_get_reset_config();
3033 if ((jtag_reset_config
& RESET_TRST_OPEN_DRAIN
) != 0)
3034 low_direction
&= ~nTRST
;
3036 low_output
|= nTRST
;
3040 low_output
&= ~nSRST
;
3042 else if (srst
== 0) {
3043 low_output
|= nSRST
;
3046 /* command "set data bits low byte" */
3048 buffer_write(low_output
);
3049 buffer_write(low_direction
);
3051 LOG_DEBUG("trst: %i, srst: %i, low_output: 0x%2.2x, low_direction: 0x%2.2x", trst
, srst
, low_output
, low_direction
);
3054 /* ---------------------------------------------------------------------
3055 * Support for Signalyzer H2 and Signalyzer H4
3056 * JTAG adapter from Xverve Technologies Inc.
3057 * http://www.signalyzer.com or http://www.xverve.com
3059 * Author: Oleg Seiljus, oleg@signalyzer.com
3061 static unsigned char signalyzer_h_side
;
3062 static unsigned int signalyzer_h_adapter_type
;
3064 static int signalyzer_h_ctrl_write(int address
, unsigned short value
);
3066 #if BUILD_FT2232_FTD2XX == 1
3067 static int signalyzer_h_ctrl_read(int address
, unsigned short *value
);
3070 #define SIGNALYZER_COMMAND_ADDR 128
3071 #define SIGNALYZER_DATA_BUFFER_ADDR 129
3073 #define SIGNALYZER_COMMAND_VERSION 0x41
3074 #define SIGNALYZER_COMMAND_RESET 0x42
3075 #define SIGNALYZER_COMMAND_POWERCONTROL_GET 0x50
3076 #define SIGNALYZER_COMMAND_POWERCONTROL_SET 0x51
3077 #define SIGNALYZER_COMMAND_PWM_SET 0x52
3078 #define SIGNALYZER_COMMAND_LED_SET 0x53
3079 #define SIGNALYZER_COMMAND_ADC 0x54
3080 #define SIGNALYZER_COMMAND_GPIO_STATE 0x55
3081 #define SIGNALYZER_COMMAND_GPIO_MODE 0x56
3082 #define SIGNALYZER_COMMAND_GPIO_PORT 0x57
3083 #define SIGNALYZER_COMMAND_I2C 0x58
3085 #define SIGNALYZER_CHAN_A 1
3086 #define SIGNALYZER_CHAN_B 2
3087 /* LEDS use channel C */
3088 #define SIGNALYZER_CHAN_C 4
3090 #define SIGNALYZER_LED_GREEN 1
3091 #define SIGNALYZER_LED_RED 2
3093 #define SIGNALYZER_MODULE_TYPE_EM_LT16_A 0x0301
3094 #define SIGNALYZER_MODULE_TYPE_EM_ARM_JTAG 0x0302
3095 #define SIGNALYZER_MODULE_TYPE_EM_JTAG 0x0303
3096 #define SIGNALYZER_MODULE_TYPE_EM_ARM_JTAG_P 0x0304
3097 #define SIGNALYZER_MODULE_TYPE_EM_JTAG_P 0x0305
3100 static int signalyzer_h_ctrl_write(int address
, unsigned short value
)
3102 #if BUILD_FT2232_FTD2XX == 1
3103 return FT_WriteEE(ftdih
, address
, value
);
3104 #elif BUILD_FT2232_LIBFTDI == 1
3109 #if BUILD_FT2232_FTD2XX == 1
3110 static int signalyzer_h_ctrl_read(int address
, unsigned short *value
)
3112 return FT_ReadEE(ftdih
, address
, value
);
3116 static int signalyzer_h_led_set(unsigned char channel
, unsigned char led
,
3117 int on_time_ms
, int off_time_ms
, unsigned char cycles
)
3119 unsigned char on_time
;
3120 unsigned char off_time
;
3122 if (on_time_ms
< 0xFFFF)
3123 on_time
= (unsigned char)(on_time_ms
/ 62);
3127 off_time
= (unsigned char)(off_time_ms
/ 62);
3129 #if BUILD_FT2232_FTD2XX == 1
3132 if ((status
= signalyzer_h_ctrl_write(SIGNALYZER_DATA_BUFFER_ADDR
,
3133 ((uint32_t)(channel
<< 8) | led
))) != FT_OK
)
3135 LOG_ERROR("signalyzer_h_ctrl_write returned: %lu", status
);
3136 return ERROR_JTAG_DEVICE_ERROR
;
3139 if ((status
= signalyzer_h_ctrl_write(
3140 (SIGNALYZER_DATA_BUFFER_ADDR
+ 1),
3141 ((uint32_t)(on_time
<< 8) | off_time
))) != FT_OK
)
3143 LOG_ERROR("signalyzer_h_ctrl_write returned: %lu", status
);
3144 return ERROR_JTAG_DEVICE_ERROR
;
3147 if ((status
= signalyzer_h_ctrl_write(
3148 (SIGNALYZER_DATA_BUFFER_ADDR
+ 2),
3149 ((uint32_t)cycles
))) != FT_OK
)
3151 LOG_ERROR("signalyzer_h_ctrl_write returned: %lu", status
);
3152 return ERROR_JTAG_DEVICE_ERROR
;
3155 if ((status
= signalyzer_h_ctrl_write(SIGNALYZER_COMMAND_ADDR
,
3156 SIGNALYZER_COMMAND_LED_SET
)) != FT_OK
)
3158 LOG_ERROR("signalyzer_h_ctrl_write returned: %lu", status
);
3159 return ERROR_JTAG_DEVICE_ERROR
;
3163 #elif BUILD_FT2232_LIBFTDI == 1
3166 if ((retval
= signalyzer_h_ctrl_write(SIGNALYZER_DATA_BUFFER_ADDR
,
3167 ((uint32_t)(channel
<< 8) | led
))) < 0)
3169 LOG_ERROR("signalyzer_h_ctrl_write returned: %s",
3170 ftdi_get_error_string(&ftdic
));
3171 return ERROR_JTAG_DEVICE_ERROR
;
3174 if ((retval
= signalyzer_h_ctrl_write(
3175 (SIGNALYZER_DATA_BUFFER_ADDR
+ 1),
3176 ((uint32_t)(on_time
<< 8) | off_time
))) < 0)
3178 LOG_ERROR("signalyzer_h_ctrl_write returned: %s",
3179 ftdi_get_error_string(&ftdic
));
3180 return ERROR_JTAG_DEVICE_ERROR
;
3183 if ((retval
= signalyzer_h_ctrl_write(
3184 (SIGNALYZER_DATA_BUFFER_ADDR
+ 2),
3185 (uint32_t)cycles
)) < 0)
3187 LOG_ERROR("signalyzer_h_ctrl_write returned: %s",
3188 ftdi_get_error_string(&ftdic
));
3189 return ERROR_JTAG_DEVICE_ERROR
;
3192 if ((retval
= signalyzer_h_ctrl_write(SIGNALYZER_COMMAND_ADDR
,
3193 SIGNALYZER_COMMAND_LED_SET
)) < 0)
3195 LOG_ERROR("signalyzer_h_ctrl_write returned: %s",
3196 ftdi_get_error_string(&ftdic
));
3197 return ERROR_JTAG_DEVICE_ERROR
;
3204 static int signalyzer_h_init(void)
3206 #if BUILD_FT2232_FTD2XX == 1
3213 uint16_t read_buf
[12] = { 0 };
3215 uint32_t bytes_written
;
3217 /* turn on center green led */
3218 signalyzer_h_led_set(SIGNALYZER_CHAN_C
, SIGNALYZER_LED_GREEN
,
3219 0xFFFF, 0x00, 0x00);
3221 /* determine what channel config wants to open
3222 * TODO: change me... current implementation is made to work
3223 * with openocd description parsing.
3225 end_of_desc
= strrchr(ft2232_device_desc
, 0x00);
3229 signalyzer_h_side
= *(end_of_desc
- 1);
3230 if (signalyzer_h_side
== 'B')
3231 signalyzer_h_side
= SIGNALYZER_CHAN_B
;
3233 signalyzer_h_side
= SIGNALYZER_CHAN_A
;
3237 LOG_ERROR("No Channel was specified");
3241 signalyzer_h_led_set(signalyzer_h_side
, SIGNALYZER_LED_GREEN
,
3244 #if BUILD_FT2232_FTD2XX == 1
3245 /* read signalyzer versionining information */
3246 if ((status
= signalyzer_h_ctrl_write(SIGNALYZER_COMMAND_ADDR
,
3247 SIGNALYZER_COMMAND_VERSION
)) != FT_OK
)
3249 LOG_ERROR("signalyzer_h_ctrl_write returned: %lu", status
);
3250 return ERROR_JTAG_DEVICE_ERROR
;
3253 for (i
= 0; i
< 10; i
++)
3255 if ((status
= signalyzer_h_ctrl_read(
3256 (SIGNALYZER_DATA_BUFFER_ADDR
+ i
),
3257 &read_buf
[i
])) != FT_OK
)
3259 LOG_ERROR("signalyzer_h_ctrl_read returned: %lu",
3261 return ERROR_JTAG_DEVICE_ERROR
;
3265 LOG_INFO("Signalyzer: ID info: { %.4x %.4x %.4x %.4x %.4x %.4x %.4x }",
3266 read_buf
[0], read_buf
[1], read_buf
[2], read_buf
[3],
3267 read_buf
[4], read_buf
[5], read_buf
[6]);
3269 /* set gpio register */
3270 if ((status
= signalyzer_h_ctrl_write(SIGNALYZER_DATA_BUFFER_ADDR
,
3271 (uint32_t)(signalyzer_h_side
<< 8))) != FT_OK
)
3273 LOG_ERROR("signalyzer_h_ctrl_write returned: %lu", status
);
3274 return ERROR_JTAG_DEVICE_ERROR
;
3277 if ((status
= signalyzer_h_ctrl_write(SIGNALYZER_DATA_BUFFER_ADDR
+ 1,
3280 LOG_ERROR("signalyzer_h_ctrl_write returned: %lu", status
);
3281 return ERROR_JTAG_DEVICE_ERROR
;
3284 if ((status
= signalyzer_h_ctrl_write(SIGNALYZER_COMMAND_ADDR
,
3285 SIGNALYZER_COMMAND_GPIO_STATE
)) != FT_OK
)
3287 LOG_ERROR("signalyzer_h_ctrl_write returned: %lu", status
);
3288 return ERROR_JTAG_DEVICE_ERROR
;
3291 /* read adapter type information */
3292 if ((status
= signalyzer_h_ctrl_write(SIGNALYZER_DATA_BUFFER_ADDR
,
3293 ((uint32_t)(signalyzer_h_side
<< 8) | 0x01))) != FT_OK
)
3295 LOG_ERROR("signalyzer_h_ctrl_write returned: %lu", status
);
3296 return ERROR_JTAG_DEVICE_ERROR
;
3299 if ((status
= signalyzer_h_ctrl_write(
3300 (SIGNALYZER_DATA_BUFFER_ADDR
+ 1), 0xA000)) != FT_OK
)
3302 LOG_ERROR("signalyzer_h_ctrl_write returned: %lu", status
);
3303 return ERROR_JTAG_DEVICE_ERROR
;
3306 if ((status
= signalyzer_h_ctrl_write(
3307 (SIGNALYZER_DATA_BUFFER_ADDR
+ 2), 0x0008)) != FT_OK
)
3309 LOG_ERROR("signalyzer_h_ctrl_write returned: %lu", status
);
3310 return ERROR_JTAG_DEVICE_ERROR
;
3313 if ((status
= signalyzer_h_ctrl_write(SIGNALYZER_COMMAND_ADDR
,
3314 SIGNALYZER_COMMAND_I2C
)) != FT_OK
)
3316 LOG_ERROR("signalyzer_h_ctrl_write returned: %lu", status
);
3317 return ERROR_JTAG_DEVICE_ERROR
;
3322 if ((status
= signalyzer_h_ctrl_read(SIGNALYZER_COMMAND_ADDR
,
3323 &read_buf
[0])) != FT_OK
)
3325 LOG_ERROR("signalyzer_h_ctrl_read returned: %lu", status
);
3326 return ERROR_JTAG_DEVICE_ERROR
;
3329 if (read_buf
[0] != 0x0498)
3330 signalyzer_h_adapter_type
= 0x0000;
3333 for (i
= 0; i
< 4; i
++)
3335 if ((status
= signalyzer_h_ctrl_read(
3336 (SIGNALYZER_DATA_BUFFER_ADDR
+ i
),
3337 &read_buf
[i
])) != FT_OK
)
3339 LOG_ERROR("signalyzer_h_ctrl_read returned: %lu",
3341 return ERROR_JTAG_DEVICE_ERROR
;
3345 signalyzer_h_adapter_type
= read_buf
[0];
3348 #elif BUILD_FT2232_LIBFTDI == 1
3349 /* currently libftdi does not allow reading individual eeprom
3350 * locations, therefore adapter type cannot be detected.
3351 * override with most common type
3353 signalyzer_h_adapter_type
= SIGNALYZER_MODULE_TYPE_EM_ARM_JTAG
;
3356 enum reset_types jtag_reset_config
= jtag_get_reset_config();
3358 /* ADAPTOR: EM_LT16_A */
3359 if (signalyzer_h_adapter_type
== SIGNALYZER_MODULE_TYPE_EM_LT16_A
)
3361 LOG_INFO("Signalyzer: EM-LT (16-channel level translator) "
3362 "detected. (HW: %2x).", (read_buf
[1] >> 8));
3370 low_direction
= 0x1b;
3373 high_direction
= 0x0;
3375 if (jtag_reset_config
& RESET_TRST_OPEN_DRAIN
)
3377 low_direction
&= ~nTRSTnOE
; /* nTRST input */
3378 low_output
&= ~nTRST
; /* nTRST = 0 */
3382 low_direction
|= nTRSTnOE
; /* nTRST output */
3383 low_output
|= nTRST
; /* nTRST = 1 */
3386 if (jtag_reset_config
& RESET_SRST_PUSH_PULL
)
3388 low_direction
|= nSRSTnOE
; /* nSRST output */
3389 low_output
|= nSRST
; /* nSRST = 1 */
3393 low_direction
&= ~nSRSTnOE
; /* nSRST input */
3394 low_output
&= ~nSRST
; /* nSRST = 0 */
3397 #if BUILD_FT2232_FTD2XX == 1
3398 /* enable power to the module */
3399 if ((status
= signalyzer_h_ctrl_write(
3400 SIGNALYZER_DATA_BUFFER_ADDR
,
3401 ((uint32_t)(signalyzer_h_side
<< 8) | 0x01)))
3404 LOG_ERROR("signalyzer_h_ctrl_write returned: %lu",
3406 return ERROR_JTAG_DEVICE_ERROR
;
3409 if ((status
= signalyzer_h_ctrl_write(SIGNALYZER_COMMAND_ADDR
,
3410 SIGNALYZER_COMMAND_POWERCONTROL_SET
)) != FT_OK
)
3412 LOG_ERROR("signalyzer_h_ctrl_write returned: %lu",
3414 return ERROR_JTAG_DEVICE_ERROR
;
3417 /* set gpio mode register */
3418 if ((status
= signalyzer_h_ctrl_write(
3419 SIGNALYZER_DATA_BUFFER_ADDR
,
3420 (uint32_t)(signalyzer_h_side
<< 8))) != FT_OK
)
3422 LOG_ERROR("signalyzer_h_ctrl_write returned: %lu",
3424 return ERROR_JTAG_DEVICE_ERROR
;
3427 if ((status
= signalyzer_h_ctrl_write(
3428 SIGNALYZER_DATA_BUFFER_ADDR
+ 1, 0x0000))
3431 LOG_ERROR("signalyzer_h_ctrl_write returned: %lu",
3433 return ERROR_JTAG_DEVICE_ERROR
;
3436 if ((status
= signalyzer_h_ctrl_write(SIGNALYZER_COMMAND_ADDR
,
3437 SIGNALYZER_COMMAND_GPIO_MODE
)) != FT_OK
)
3439 LOG_ERROR("signalyzer_h_ctrl_write returned: %lu",
3441 return ERROR_JTAG_DEVICE_ERROR
;
3444 /* set gpio register */
3445 if ((status
= signalyzer_h_ctrl_write(
3446 SIGNALYZER_DATA_BUFFER_ADDR
,
3447 (uint32_t)(signalyzer_h_side
<< 8))) != FT_OK
)
3449 LOG_ERROR("signalyzer_h_ctrl_write returned: %lu",
3451 return ERROR_JTAG_DEVICE_ERROR
;
3454 if ((status
= signalyzer_h_ctrl_write(
3455 SIGNALYZER_DATA_BUFFER_ADDR
+ 1, 0x4040))
3458 LOG_ERROR("signalyzer_h_ctrl_write returned: %lu",
3460 return ERROR_JTAG_DEVICE_ERROR
;
3463 if ((status
= signalyzer_h_ctrl_write(
3464 SIGNALYZER_COMMAND_ADDR
,
3465 SIGNALYZER_COMMAND_GPIO_STATE
)) != FT_OK
)
3467 LOG_ERROR("signalyzer_h_ctrl_write returned: %lu",
3469 return ERROR_JTAG_DEVICE_ERROR
;
3474 /* ADAPTOR: EM_ARM_JTAG, EM_ARM_JTAG_P, EM_JTAG, EM_JTAG_P */
3475 else if ((signalyzer_h_adapter_type
== SIGNALYZER_MODULE_TYPE_EM_ARM_JTAG
) ||
3476 (signalyzer_h_adapter_type
== SIGNALYZER_MODULE_TYPE_EM_ARM_JTAG_P
) ||
3477 (signalyzer_h_adapter_type
== SIGNALYZER_MODULE_TYPE_EM_JTAG
) ||
3478 (signalyzer_h_adapter_type
== SIGNALYZER_MODULE_TYPE_EM_JTAG_P
))
3480 if (signalyzer_h_adapter_type
3481 == SIGNALYZER_MODULE_TYPE_EM_ARM_JTAG
)
3482 LOG_INFO("Signalyzer: EM-ARM-JTAG (ARM JTAG) "
3483 "detected. (HW: %2x).", (read_buf
[1] >> 8));
3484 else if (signalyzer_h_adapter_type
3485 == SIGNALYZER_MODULE_TYPE_EM_ARM_JTAG_P
)
3486 LOG_INFO("Signalyzer: EM-ARM-JTAG_P "
3487 "(ARM JTAG with PSU) detected. (HW: %2x).",
3488 (read_buf
[1] >> 8));
3489 else if (signalyzer_h_adapter_type
3490 == SIGNALYZER_MODULE_TYPE_EM_JTAG
)
3491 LOG_INFO("Signalyzer: EM-JTAG (Generic JTAG) "
3492 "detected. (HW: %2x).", (read_buf
[1] >> 8));
3493 else if (signalyzer_h_adapter_type
3494 == SIGNALYZER_MODULE_TYPE_EM_JTAG_P
)
3495 LOG_INFO("Signalyzer: EM-JTAG-P "
3496 "(Generic JTAG with PSU) detected. (HW: %2x).",
3497 (read_buf
[1] >> 8));
3505 low_direction
= 0x1b;
3508 high_direction
= 0x1f;
3510 if (jtag_reset_config
& RESET_TRST_OPEN_DRAIN
)
3512 high_output
|= nTRSTnOE
;
3513 high_output
&= ~nTRST
;
3517 high_output
&= ~nTRSTnOE
;
3518 high_output
|= nTRST
;
3521 if (jtag_reset_config
& RESET_SRST_PUSH_PULL
)
3523 high_output
&= ~nSRSTnOE
;
3524 high_output
|= nSRST
;
3528 high_output
|= nSRSTnOE
;
3529 high_output
&= ~nSRST
;
3532 #if BUILD_FT2232_FTD2XX == 1
3533 /* enable power to the module */
3534 if ((status
= signalyzer_h_ctrl_write(
3535 SIGNALYZER_DATA_BUFFER_ADDR
,
3536 ((uint32_t)(signalyzer_h_side
<< 8) | 0x01)))
3539 LOG_ERROR("signalyzer_h_ctrl_write returned: %lu",
3541 return ERROR_JTAG_DEVICE_ERROR
;
3544 if ((status
= signalyzer_h_ctrl_write(
3545 SIGNALYZER_COMMAND_ADDR
,
3546 SIGNALYZER_COMMAND_POWERCONTROL_SET
)) != FT_OK
)
3548 LOG_ERROR("signalyzer_h_ctrl_write returned: %lu",
3550 return ERROR_JTAG_DEVICE_ERROR
;
3553 /* set gpio mode register (IO_16 and IO_17 set as analog
3554 * inputs, other is gpio)
3556 if ((status
= signalyzer_h_ctrl_write(
3557 SIGNALYZER_DATA_BUFFER_ADDR
,
3558 (uint32_t)(signalyzer_h_side
<< 8))) != FT_OK
)
3560 LOG_ERROR("signalyzer_h_ctrl_write returned: %lu",
3562 return ERROR_JTAG_DEVICE_ERROR
;
3565 if ((status
= signalyzer_h_ctrl_write(
3566 SIGNALYZER_DATA_BUFFER_ADDR
+ 1, 0x0060))
3569 LOG_ERROR("signalyzer_h_ctrl_write returned: %lu",
3571 return ERROR_JTAG_DEVICE_ERROR
;
3574 if ((status
= signalyzer_h_ctrl_write(
3575 SIGNALYZER_COMMAND_ADDR
,
3576 SIGNALYZER_COMMAND_GPIO_MODE
)) != FT_OK
)
3578 LOG_ERROR("signalyzer_h_ctrl_write returned: %lu",
3580 return ERROR_JTAG_DEVICE_ERROR
;
3583 /* set gpio register (all inputs, for -P modules,
3584 * PSU will be turned off)
3586 if ((status
= signalyzer_h_ctrl_write(
3587 SIGNALYZER_DATA_BUFFER_ADDR
,
3588 (uint32_t)(signalyzer_h_side
<< 8))) != FT_OK
)
3590 LOG_ERROR("signalyzer_h_ctrl_write returned: %lu",
3592 return ERROR_JTAG_DEVICE_ERROR
;
3595 if ((status
= signalyzer_h_ctrl_write(
3596 SIGNALYZER_DATA_BUFFER_ADDR
+ 1, 0x0000))
3599 LOG_ERROR("signalyzer_h_ctrl_write returned: %lu",
3601 return ERROR_JTAG_DEVICE_ERROR
;
3604 if ((status
= signalyzer_h_ctrl_write(
3605 SIGNALYZER_COMMAND_ADDR
,
3606 SIGNALYZER_COMMAND_GPIO_STATE
)) != FT_OK
)
3608 LOG_ERROR("signalyzer_h_ctrl_write returned: %lu",
3610 return ERROR_JTAG_DEVICE_ERROR
;
3615 else if (signalyzer_h_adapter_type
== 0x0000)
3617 LOG_INFO("Signalyzer: No external modules were detected.");
3625 low_direction
= 0x1b;
3628 high_direction
= 0x0;
3630 if (jtag_reset_config
& RESET_TRST_OPEN_DRAIN
)
3632 low_direction
&= ~nTRSTnOE
; /* nTRST input */
3633 low_output
&= ~nTRST
; /* nTRST = 0 */
3637 low_direction
|= nTRSTnOE
; /* nTRST output */
3638 low_output
|= nTRST
; /* nTRST = 1 */
3641 if (jtag_reset_config
& RESET_SRST_PUSH_PULL
)
3643 low_direction
|= nSRSTnOE
; /* nSRST output */
3644 low_output
|= nSRST
; /* nSRST = 1 */
3648 low_direction
&= ~nSRSTnOE
; /* nSRST input */
3649 low_output
&= ~nSRST
; /* nSRST = 0 */
3654 LOG_ERROR("Unknown module type is detected: %.4x",
3655 signalyzer_h_adapter_type
);
3656 return ERROR_JTAG_DEVICE_ERROR
;
3659 /* initialize low byte of controller for jtag operation */
3661 buf
[1] = low_output
;
3662 buf
[2] = low_direction
;
3664 if (((ft2232_write(buf
, 3, &bytes_written
)) != ERROR_OK
)
3665 || (bytes_written
!= 3))
3667 LOG_ERROR("couldn't initialize Signalyzer-H layout");
3668 return ERROR_JTAG_INIT_FAILED
;
3671 #if BUILD_FT2232_FTD2XX == 1
3672 if (ftdi_device
== FT_DEVICE_2232H
)
3674 /* initialize high byte of controller for jtag operation */
3676 buf
[1] = high_output
;
3677 buf
[2] = high_direction
;
3679 if ((ft2232_write(buf
, 3, &bytes_written
) != ERROR_OK
)
3680 || (bytes_written
!= 3))
3682 LOG_ERROR("couldn't initialize Signalyzer-H layout");
3683 return ERROR_JTAG_INIT_FAILED
;
3686 #elif BUILD_FT2232_LIBFTDI == 1
3687 if (ftdi_device
== TYPE_2232H
)
3689 /* initialize high byte of controller for jtag operation */
3691 buf
[1] = high_output
;
3692 buf
[2] = high_direction
;
3694 if ((ft2232_write(buf
, 3, &bytes_written
) != ERROR_OK
)
3695 || (bytes_written
!= 3))
3697 LOG_ERROR("couldn't initialize Signalyzer-H layout");
3698 return ERROR_JTAG_INIT_FAILED
;
3705 static void signalyzer_h_reset(int trst
, int srst
)
3707 enum reset_types jtag_reset_config
= jtag_get_reset_config();
3709 /* ADAPTOR: EM_LT16_A */
3710 if (signalyzer_h_adapter_type
== SIGNALYZER_MODULE_TYPE_EM_LT16_A
)
3714 if (jtag_reset_config
& RESET_TRST_OPEN_DRAIN
)
3715 /* switch to output pin (output is low) */
3716 low_direction
|= nTRSTnOE
;
3718 /* switch output low */
3719 low_output
&= ~nTRST
;
3723 if (jtag_reset_config
& RESET_TRST_OPEN_DRAIN
)
3724 /* switch to input pin (high-Z + internal
3725 * and external pullup) */
3726 low_direction
&= ~nTRSTnOE
;
3728 /* switch output high */
3729 low_output
|= nTRST
;
3734 if (jtag_reset_config
& RESET_SRST_PUSH_PULL
)
3735 /* switch output low */
3736 low_output
&= ~nSRST
;
3738 /* switch to output pin (output is low) */
3739 low_direction
|= nSRSTnOE
;
3743 if (jtag_reset_config
& RESET_SRST_PUSH_PULL
)
3744 /* switch output high */
3745 low_output
|= nSRST
;
3747 /* switch to input pin (high-Z) */
3748 low_direction
&= ~nSRSTnOE
;
3751 /* command "set data bits low byte" */
3753 buffer_write(low_output
);
3754 buffer_write(low_direction
);
3755 LOG_DEBUG("trst: %i, srst: %i, low_output: 0x%2.2x, "
3756 "low_direction: 0x%2.2x",
3757 trst
, srst
, low_output
, low_direction
);
3759 /* ADAPTOR: EM_ARM_JTAG, EM_ARM_JTAG_P, EM_JTAG, EM_JTAG_P */
3760 else if ((signalyzer_h_adapter_type
== SIGNALYZER_MODULE_TYPE_EM_ARM_JTAG
) ||
3761 (signalyzer_h_adapter_type
== SIGNALYZER_MODULE_TYPE_EM_ARM_JTAG_P
) ||
3762 (signalyzer_h_adapter_type
== SIGNALYZER_MODULE_TYPE_EM_JTAG
) ||
3763 (signalyzer_h_adapter_type
== SIGNALYZER_MODULE_TYPE_EM_JTAG_P
))
3767 if (jtag_reset_config
& RESET_TRST_OPEN_DRAIN
)
3768 high_output
&= ~nTRSTnOE
;
3770 high_output
&= ~nTRST
;
3774 if (jtag_reset_config
& RESET_TRST_OPEN_DRAIN
)
3775 high_output
|= nTRSTnOE
;
3777 high_output
|= nTRST
;
3782 if (jtag_reset_config
& RESET_SRST_PUSH_PULL
)
3783 high_output
&= ~nSRST
;
3785 high_output
&= ~nSRSTnOE
;
3789 if (jtag_reset_config
& RESET_SRST_PUSH_PULL
)
3790 high_output
|= nSRST
;
3792 high_output
|= nSRSTnOE
;
3795 /* command "set data bits high byte" */
3797 buffer_write(high_output
);
3798 buffer_write(high_direction
);
3799 LOG_INFO("trst: %i, srst: %i, high_output: 0x%2.2x, "
3800 "high_direction: 0x%2.2x",
3801 trst
, srst
, high_output
, high_direction
);
3803 else if (signalyzer_h_adapter_type
== 0x0000)
3807 if (jtag_reset_config
& RESET_TRST_OPEN_DRAIN
)
3808 /* switch to output pin (output is low) */
3809 low_direction
|= nTRSTnOE
;
3811 /* switch output low */
3812 low_output
&= ~nTRST
;
3816 if (jtag_reset_config
& RESET_TRST_OPEN_DRAIN
)
3817 /* switch to input pin (high-Z + internal
3818 * and external pullup) */
3819 low_direction
&= ~nTRSTnOE
;
3821 /* switch output high */
3822 low_output
|= nTRST
;
3827 if (jtag_reset_config
& RESET_SRST_PUSH_PULL
)
3828 /* switch output low */
3829 low_output
&= ~nSRST
;
3831 /* switch to output pin (output is low) */
3832 low_direction
|= nSRSTnOE
;
3836 if (jtag_reset_config
& RESET_SRST_PUSH_PULL
)
3837 /* switch output high */
3838 low_output
|= nSRST
;
3840 /* switch to input pin (high-Z) */
3841 low_direction
&= ~nSRSTnOE
;
3844 /* command "set data bits low byte" */
3846 buffer_write(low_output
);
3847 buffer_write(low_direction
);
3848 LOG_DEBUG("trst: %i, srst: %i, low_output: 0x%2.2x, "
3849 "low_direction: 0x%2.2x",
3850 trst
, srst
, low_output
, low_direction
);
3854 static void signalyzer_h_blink(void)
3856 signalyzer_h_led_set(signalyzer_h_side
, SIGNALYZER_LED_RED
, 100, 0, 1);
3859 /********************************************************************
3860 * Support for KT-LINK
3861 * JTAG adapter from KRISTECH
3862 * http://www.kristech.eu
3863 *******************************************************************/
3864 static int ktlink_init(void)
3867 uint32_t bytes_written
;
3868 uint8_t swd_en
= 0x20; //0x20 SWD disable, 0x00 SWD enable (ADBUS5)
3870 low_output
= 0x08 | swd_en
; // value; TMS=1,TCK=0,TDI=0,SWD=swd_en
3871 low_direction
= 0x3B; // out=1; TCK/TDI/TMS=out,TDO=in,SWD=out,RTCK=in,SRSTIN=in
3873 // initialize low port
3874 buf
[0] = 0x80; // command "set data bits low byte"
3875 buf
[1] = low_output
;
3876 buf
[2] = low_direction
;
3877 LOG_DEBUG("%2.2x %2.2x %2.2x", buf
[0], buf
[1], buf
[2]);
3879 if (((ft2232_write(buf
, 3, &bytes_written
)) != ERROR_OK
) || (bytes_written
!= 3))
3881 LOG_ERROR("couldn't initialize FT2232 with 'ktlink' layout");
3882 return ERROR_JTAG_INIT_FAILED
;
3890 high_output
= 0x80; // turn LED on
3891 high_direction
= 0xFF; // all outputs
3893 enum reset_types jtag_reset_config
= jtag_get_reset_config();
3895 if (jtag_reset_config
& RESET_TRST_OPEN_DRAIN
) {
3896 high_output
|= nTRSTnOE
;
3897 high_output
&= ~nTRST
;
3899 high_output
&= ~nTRSTnOE
;
3900 high_output
|= nTRST
;
3903 if (jtag_reset_config
& RESET_SRST_PUSH_PULL
) {
3904 high_output
&= ~nSRSTnOE
;
3905 high_output
|= nSRST
;
3907 high_output
|= nSRSTnOE
;
3908 high_output
&= ~nSRST
;
3911 // initialize high port
3912 buf
[0] = 0x82; // command "set data bits high byte"
3913 buf
[1] = high_output
; // value
3914 buf
[2] = high_direction
;
3915 LOG_DEBUG("%2.2x %2.2x %2.2x", buf
[0], buf
[1], buf
[2]);
3917 if (((ft2232_write(buf
, 3, &bytes_written
)) != ERROR_OK
) || (bytes_written
!= 3))
3919 LOG_ERROR("couldn't initialize FT2232 with 'ktlink' layout");
3920 return ERROR_JTAG_INIT_FAILED
;
3926 static void ktlink_reset(int trst
, int srst
)
3928 enum reset_types jtag_reset_config
= jtag_get_reset_config();
3931 if (jtag_reset_config
& RESET_TRST_OPEN_DRAIN
)
3932 high_output
&= ~nTRSTnOE
;
3934 high_output
&= ~nTRST
;
3935 } else if (trst
== 0) {
3936 if (jtag_reset_config
& RESET_TRST_OPEN_DRAIN
)
3937 high_output
|= nTRSTnOE
;
3939 high_output
|= nTRST
;
3943 if (jtag_reset_config
& RESET_SRST_PUSH_PULL
)
3944 high_output
&= ~nSRST
;
3946 high_output
&= ~nSRSTnOE
;
3947 } else if (srst
== 0) {
3948 if (jtag_reset_config
& RESET_SRST_PUSH_PULL
)
3949 high_output
|= nSRST
;
3951 high_output
|= nSRSTnOE
;
3954 buffer_write(0x82); // command "set data bits high byte"
3955 buffer_write(high_output
);
3956 buffer_write(high_direction
);
3957 LOG_DEBUG("trst: %i, srst: %i, high_output: 0x%2.2x, high_direction: 0x%2.2x", trst
, srst
, high_output
,high_direction
);
3960 static void ktlink_blink(void)
3962 /* LED connected to ACBUS7 */
3963 if (high_output
& 0x80)
3964 high_output
&= 0x7F;
3966 high_output
|= 0x80;
3968 buffer_write(0x82); // command "set data bits high byte"
3969 buffer_write(high_output
);
3970 buffer_write(high_direction
);
3973 static int ft2232_register_commands(struct command_context_s
* cmd_ctx
)
3975 register_command(cmd_ctx
, NULL
, "ft2232_device_desc",
3976 ft2232_handle_device_desc_command
, COMMAND_CONFIG
,
3977 "the USB device description of the FTDI FT2232 device");
3978 register_command(cmd_ctx
, NULL
, "ft2232_serial",
3979 ft2232_handle_serial_command
, COMMAND_CONFIG
,
3980 "the serial number of the FTDI FT2232 device");
3981 register_command(cmd_ctx
, NULL
, "ft2232_layout",
3982 ft2232_handle_layout_command
, COMMAND_CONFIG
,
3983 "the layout of the FT2232 GPIO signals used "
3984 "to control output-enables and reset signals");
3985 register_command(cmd_ctx
, NULL
, "ft2232_vid_pid",
3986 ft2232_handle_vid_pid_command
, COMMAND_CONFIG
,
3987 "the vendor ID and product ID of the FTDI FT2232 device");
3988 register_command(cmd_ctx
, NULL
, "ft2232_latency",
3989 ft2232_handle_latency_command
, COMMAND_CONFIG
,
3990 "set the FT2232 latency timer to a new value");
3996 struct jtag_interface ft2232_interface
= {
3998 .register_commands
= &ft2232_register_commands
,
3999 .init
= &ft2232_init
,
4000 .quit
= &ft2232_quit
,
4001 .speed
= &ft2232_speed
,
4002 .speed_div
= &ft2232_speed_div
,
4004 .execute_queue
= &ft2232_execute_queue
,