jtag: linuxgpiod: drop extra parenthesis
[openocd.git] / src / target / arm_adi_v5.h
1 /***************************************************************************
2 * Copyright (C) 2006 by Magnus Lundin *
3 * lundin@mlu.mine.nu *
4 * *
5 * Copyright (C) 2008 by Spencer Oliver *
6 * spen@spen-soft.co.uk *
7 * *
8 * This program is free software; you can redistribute it and/or modify *
9 * it under the terms of the GNU General Public License as published by *
10 * the Free Software Foundation; either version 2 of the License, or *
11 * (at your option) any later version. *
12 * *
13 * This program is distributed in the hope that it will be useful, *
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
16 * GNU General Public License for more details. *
17 * *
18 * You should have received a copy of the GNU General Public License *
19 * along with this program. If not, see <http://www.gnu.org/licenses/>. *
20 ***************************************************************************/
21
22 #ifndef OPENOCD_TARGET_ARM_ADI_V5_H
23 #define OPENOCD_TARGET_ARM_ADI_V5_H
24
25 /**
26 * @file
27 * This defines formats and data structures used to talk to ADIv5 entities.
28 * Those include a DAP, different types of Debug Port (DP), and memory mapped
29 * resources accessed through a MEM-AP.
30 */
31
32 #include <helper/list.h>
33 #include "arm_jtag.h"
34 #include "helper/bits.h"
35
36 /* JEP106 ID for ARM */
37 #define ARM_ID 0x23B
38
39 /* three-bit ACK values for SWD access (sent LSB first) */
40 #define SWD_ACK_OK 0x1
41 #define SWD_ACK_WAIT 0x2
42 #define SWD_ACK_FAULT 0x4
43
44 #define DPAP_WRITE 0
45 #define DPAP_READ 1
46
47 #define BANK_REG(bank, reg) (((bank) << 4) | (reg))
48
49 /* A[3:0] for DP registers; A[1:0] are always zero.
50 * - JTAG accesses all of these via JTAG_DP_DPACC, except for
51 * IDCODE (JTAG_DP_IDCODE) and ABORT (JTAG_DP_ABORT).
52 * - SWD accesses these directly, sometimes needing SELECT.DPBANKSEL
53 */
54 #define DP_DPIDR BANK_REG(0x0, 0x0) /* DPv1+: ro */
55 #define DP_ABORT BANK_REG(0x0, 0x0) /* DPv1+: SWD: wo */
56 #define DP_CTRL_STAT BANK_REG(0x0, 0x4) /* DPv0+: rw */
57 #define DP_DLCR BANK_REG(0x1, 0x4) /* DPv1+: SWD: rw */
58 #define DP_TARGETID BANK_REG(0x2, 0x4) /* DPv2: ro */
59 #define DP_DLPIDR BANK_REG(0x3, 0x4) /* DPv2: ro */
60 #define DP_EVENTSTAT BANK_REG(0x4, 0x4) /* DPv2: ro */
61 #define DP_RESEND BANK_REG(0x0, 0x8) /* DPv1+: SWD: ro */
62 #define DP_SELECT BANK_REG(0x0, 0x8) /* DPv0+: JTAG: rw; SWD: wo */
63 #define DP_RDBUFF BANK_REG(0x0, 0xC) /* DPv0+: ro */
64 #define DP_TARGETSEL BANK_REG(0x0, 0xC) /* DPv2: SWD: wo */
65
66 #define DLCR_TO_TRN(dlcr) ((uint32_t)(1 + ((3 & (dlcr)) >> 8))) /* 1..4 clocks */
67
68 /* Fields of DP_DPIDR register */
69 #define DP_DPIDR_VERSION_SHIFT 12
70 #define DP_DPIDR_VERSION_MASK (0xFUL << DP_DPIDR_VERSION_SHIFT)
71
72 /* Fields of the DP's AP ABORT register */
73 #define DAPABORT (1UL << 0)
74 #define STKCMPCLR (1UL << 1) /* SWD-only */
75 #define STKERRCLR (1UL << 2) /* SWD-only */
76 #define WDERRCLR (1UL << 3) /* SWD-only */
77 #define ORUNERRCLR (1UL << 4) /* SWD-only */
78
79 /* Fields of the DP's CTRL/STAT register */
80 #define CORUNDETECT (1UL << 0)
81 #define SSTICKYORUN (1UL << 1)
82 /* 3:2 - transaction mode (e.g. pushed compare) */
83 #define SSTICKYCMP (1UL << 4)
84 #define SSTICKYERR (1UL << 5)
85 #define READOK (1UL << 6) /* SWD-only */
86 #define WDATAERR (1UL << 7) /* SWD-only */
87 /* 11:8 - mask lanes for pushed compare or verify ops */
88 /* 21:12 - transaction counter */
89 #define CDBGRSTREQ (1UL << 26)
90 #define CDBGRSTACK (1UL << 27)
91 #define CDBGPWRUPREQ (1UL << 28)
92 #define CDBGPWRUPACK (1UL << 29)
93 #define CSYSPWRUPREQ (1UL << 30)
94 #define CSYSPWRUPACK (1UL << 31)
95
96 #define DP_DLPIDR_PROTVSN 1u
97
98 #define DP_SELECT_APSEL 0xFF000000
99 #define DP_SELECT_APBANK 0x000000F0
100 #define DP_SELECT_DPBANK 0x0000000F
101 #define DP_SELECT_INVALID 0x00FFFF00 /* Reserved bits one */
102
103 #define DP_APSEL_MAX (255)
104 #define DP_APSEL_INVALID (-1)
105
106 #define DP_TARGETSEL_INVALID 0xFFFFFFFFU
107 #define DP_TARGETSEL_DPID_MASK 0x0FFFFFFFU
108 #define DP_TARGETSEL_INSTANCEID_MASK 0xF0000000U
109 #define DP_TARGETSEL_INSTANCEID_SHIFT 28
110
111
112 /* MEM-AP register addresses */
113 #define MEM_AP_REG_CSW 0x00
114 #define MEM_AP_REG_TAR 0x04
115 #define MEM_AP_REG_TAR64 0x08 /* RW: Large Physical Address Extension */
116 #define MEM_AP_REG_DRW 0x0C /* RW: Data Read/Write register */
117 #define MEM_AP_REG_BD0 0x10 /* RW: Banked Data register 0-3 */
118 #define MEM_AP_REG_BD1 0x14
119 #define MEM_AP_REG_BD2 0x18
120 #define MEM_AP_REG_BD3 0x1C
121 #define MEM_AP_REG_MBT 0x20 /* --: Memory Barrier Transfer register */
122 #define MEM_AP_REG_BASE64 0xF0 /* RO: Debug Base Address (LA) register */
123 #define MEM_AP_REG_CFG 0xF4 /* RO: Configuration register */
124 #define MEM_AP_REG_BASE 0xF8 /* RO: Debug Base Address register */
125 /* Generic AP register address */
126 #define AP_REG_IDR 0xFC /* RO: Identification Register */
127
128 /* Fields of the MEM-AP's CSW register */
129 #define CSW_SIZE_MASK 7
130 #define CSW_8BIT 0
131 #define CSW_16BIT 1
132 #define CSW_32BIT 2
133 #define CSW_ADDRINC_MASK (3UL << 4)
134 #define CSW_ADDRINC_OFF 0UL
135 #define CSW_ADDRINC_SINGLE (1UL << 4)
136 #define CSW_ADDRINC_PACKED (2UL << 4)
137 #define CSW_DEVICE_EN (1UL << 6)
138 #define CSW_TRIN_PROG (1UL << 7)
139
140 /* All fields in bits 12 and above are implementation-defined
141 * Defaults for AHB/AXI in "Standard Memory Access Port Definitions" from ADI
142 * Some bits are shared between buses
143 */
144 #define CSW_SPIDEN (1UL << 23)
145 #define CSW_DBGSWENABLE (1UL << 31)
146
147 /* AHB: Privileged */
148 #define CSW_AHB_HPROT1 (1UL << 25)
149 /* AHB: set HMASTER signals to AHB-AP ID */
150 #define CSW_AHB_MASTER_DEBUG (1UL << 29)
151 /* AHB5: non-secure access via HNONSEC
152 * AHB3: SBO, UNPREDICTABLE if zero */
153 #define CSW_AHB_SPROT (1UL << 30)
154 /* AHB: initial value of csw_default */
155 #define CSW_AHB_DEFAULT (CSW_AHB_HPROT1 | CSW_AHB_MASTER_DEBUG | CSW_DBGSWENABLE)
156
157 /* AXI: Privileged */
158 #define CSW_AXI_ARPROT0_PRIV (1UL << 28)
159 /* AXI: Non-secure */
160 #define CSW_AXI_ARPROT1_NONSEC (1UL << 29)
161 /* AXI: initial value of csw_default */
162 #define CSW_AXI_DEFAULT (CSW_AXI_ARPROT0_PRIV | CSW_AXI_ARPROT1_NONSEC | CSW_DBGSWENABLE)
163
164 /* APB: initial value of csw_default */
165 #define CSW_APB_DEFAULT (CSW_DBGSWENABLE)
166
167 /* Fields of the MEM-AP's CFG register */
168 #define MEM_AP_REG_CFG_BE BIT(0)
169 #define MEM_AP_REG_CFG_LA BIT(1)
170 #define MEM_AP_REG_CFG_LD BIT(2)
171 #define MEM_AP_REG_CFG_INVALID 0xFFFFFFF8
172
173 /* Fields of the MEM-AP's IDR register */
174 #define AP_REG_IDR_REVISION_MASK (0xF0000000)
175 #define AP_REG_IDR_REVISION_SHIFT (28)
176 #define AP_REG_IDR_DESIGNER_MASK (0x0FFE0000)
177 #define AP_REG_IDR_DESIGNER_SHIFT (17)
178 #define AP_REG_IDR_CLASS_MASK (0x0001E000)
179 #define AP_REG_IDR_CLASS_SHIFT (13)
180 #define AP_REG_IDR_VARIANT_MASK (0x000000F0)
181 #define AP_REG_IDR_VARIANT_SHIFT (4)
182 #define AP_REG_IDR_TYPE_MASK (0x0000000F)
183 #define AP_REG_IDR_TYPE_SHIFT (0)
184
185 #define AP_REG_IDR_CLASS_NONE (0x0)
186 #define AP_REG_IDR_CLASS_COM (0x1)
187 #define AP_REG_IDR_CLASS_MEM_AP (0x8)
188
189 #define AP_REG_IDR_VALUE(d, c, t) (\
190 (((d) << AP_REG_IDR_DESIGNER_SHIFT) & AP_REG_IDR_DESIGNER_MASK) | \
191 (((c) << AP_REG_IDR_CLASS_SHIFT) & AP_REG_IDR_CLASS_MASK) | \
192 (((t) << AP_REG_IDR_TYPE_SHIFT) & AP_REG_IDR_TYPE_MASK) \
193 )
194
195 #define AP_TYPE_MASK (AP_REG_IDR_DESIGNER_MASK | AP_REG_IDR_CLASS_MASK | AP_REG_IDR_TYPE_MASK)
196
197 /* FIXME: not SWD specific; should be renamed, e.g. adiv5_special_seq */
198 enum swd_special_seq {
199 LINE_RESET,
200 JTAG_TO_SWD,
201 JTAG_TO_DORMANT,
202 SWD_TO_JTAG,
203 SWD_TO_DORMANT,
204 DORMANT_TO_SWD,
205 DORMANT_TO_JTAG,
206 };
207
208 /**
209 * This represents an ARM Debug Interface (v5) Access Port (AP).
210 * Most common is a MEM-AP, for memory access.
211 */
212 struct adiv5_ap {
213 /**
214 * DAP this AP belongs to.
215 */
216 struct adiv5_dap *dap;
217
218 /**
219 * Number of this AP.
220 */
221 uint8_t ap_num;
222
223 /**
224 * Default value for (MEM-AP) AP_REG_CSW register.
225 */
226 uint32_t csw_default;
227
228 /**
229 * Cache for (MEM-AP) AP_REG_CSW register value. This is written to
230 * configure an access mode, such as autoincrementing AP_REG_TAR during
231 * word access. "-1" indicates no cached value.
232 */
233 uint32_t csw_value;
234
235 /**
236 * Cache for (MEM-AP) AP_REG_TAR register value This is written to
237 * configure the address being read or written
238 * "-1" indicates no cached value.
239 */
240 target_addr_t tar_value;
241
242 /**
243 * Configures how many extra tck clocks are added after starting a
244 * MEM-AP access before we try to read its status (and/or result).
245 */
246 uint32_t memaccess_tck;
247
248 /* Size of TAR autoincrement block, ARM ADI Specification requires at least 10 bits */
249 uint32_t tar_autoincr_block;
250
251 /* true if packed transfers are supported by the MEM-AP */
252 bool packed_transfers;
253
254 /* true if unaligned memory access is not supported by the MEM-AP */
255 bool unaligned_access_bad;
256
257 /* true if tar_value is in sync with TAR register */
258 bool tar_valid;
259
260 /* MEM AP configuration register indicating LPAE support */
261 uint32_t cfg_reg;
262 };
263
264
265 /**
266 * This represents an ARM Debug Interface (v5) Debug Access Port (DAP).
267 * A DAP has two types of component: one Debug Port (DP), which is a
268 * transport agent; and at least one Access Port (AP), controlling
269 * resource access.
270 *
271 * There are two basic DP transports: JTAG, and ARM's low pin-count SWD.
272 * Accordingly, this interface is responsible for hiding the transport
273 * differences so upper layer code can largely ignore them.
274 *
275 * When the chip is implemented with JTAG-DP or SW-DP, the transport is
276 * fixed as JTAG or SWD, respectively. Chips incorporating SWJ-DP permit
277 * a choice made at board design time (by only using the SWD pins), or
278 * as part of setting up a debug session (if all the dual-role JTAG/SWD
279 * signals are available).
280 */
281 struct adiv5_dap {
282 const struct dap_ops *ops;
283
284 /* dap transaction list for WAIT support */
285 struct list_head cmd_journal;
286
287 /* pool for dap_cmd objects */
288 struct list_head cmd_pool;
289
290 /* number of dap_cmd objects in the pool */
291 size_t cmd_pool_size;
292
293 struct jtag_tap *tap;
294 /* Control config */
295 uint32_t dp_ctrl_stat;
296
297 struct adiv5_ap ap[DP_APSEL_MAX + 1];
298
299 /* The current manually selected AP by the "dap apsel" command */
300 uint32_t apsel;
301
302 /**
303 * Cache for DP_SELECT register. A value of DP_SELECT_INVALID
304 * indicates no cached value and forces rewrite of the register.
305 */
306 uint32_t select;
307
308 /* information about current pending SWjDP-AHBAP transaction */
309 uint8_t ack;
310
311 /**
312 * Holds the pointer to the destination word for the last queued read,
313 * for use with posted AP read sequence optimization.
314 */
315 uint32_t *last_read;
316
317 /* The TI TMS470 and TMS570 series processors use a BE-32 memory ordering
318 * despite lack of support in the ARMv7 architecture. Memory access through
319 * the AHB-AP has strange byte ordering these processors, and we need to
320 * swizzle appropriately. */
321 bool ti_be_32_quirks;
322
323 /**
324 * STLINK adapter need to know if last AP operation was read or write, and
325 * in case of write has to flush it with a dummy read from DP_RDBUFF
326 */
327 bool stlink_flush_ap_write;
328
329 /**
330 * Signals that an attempt to reestablish communication afresh
331 * should be performed before the next access.
332 */
333 bool do_reconnect;
334
335 /** Flag saying whether to ignore the syspwrupack flag in DAP. Some devices
336 * do not set this bit until later in the bringup sequence */
337 bool ignore_syspwrupack;
338
339 /** Value to select DP in SWD multidrop mode or DP_TARGETSEL_INVALID */
340 uint32_t multidrop_targetsel;
341 /** TPARTNO and TDESIGNER fields of multidrop_targetsel have been configured */
342 bool multidrop_dp_id_valid;
343 /** TINSTANCE field of multidrop_targetsel has been configured */
344 bool multidrop_instance_id_valid;
345 };
346
347 /**
348 * Transport-neutral representation of queued DAP transactions, supporting
349 * both JTAG and SWD transports. All submitted transactions are logically
350 * queued, until the queue is executed by run(). Some implementations might
351 * execute transactions as soon as they're submitted, but no status is made
352 * available until run().
353 */
354 struct dap_ops {
355 /** connect operation for SWD */
356 int (*connect)(struct adiv5_dap *dap);
357
358 /** send a sequence to the DAP */
359 int (*send_sequence)(struct adiv5_dap *dap, enum swd_special_seq seq);
360
361 /** DP register read. */
362 int (*queue_dp_read)(struct adiv5_dap *dap, unsigned reg,
363 uint32_t *data);
364 /** DP register write. */
365 int (*queue_dp_write)(struct adiv5_dap *dap, unsigned reg,
366 uint32_t data);
367
368 /** AP register read. */
369 int (*queue_ap_read)(struct adiv5_ap *ap, unsigned reg,
370 uint32_t *data);
371 /** AP register write. */
372 int (*queue_ap_write)(struct adiv5_ap *ap, unsigned reg,
373 uint32_t data);
374
375 /** AP operation abort. */
376 int (*queue_ap_abort)(struct adiv5_dap *dap, uint8_t *ack);
377
378 /** Executes all queued DAP operations. */
379 int (*run)(struct adiv5_dap *dap);
380
381 /** Executes all queued DAP operations but doesn't check
382 * sticky error conditions */
383 int (*sync)(struct adiv5_dap *dap);
384
385 /** Optional; called at OpenOCD exit */
386 void (*quit)(struct adiv5_dap *dap);
387 };
388
389 /*
390 * Access Port types
391 */
392 enum ap_type {
393 AP_TYPE_JTAG_AP = AP_REG_IDR_VALUE(ARM_ID, AP_REG_IDR_CLASS_NONE, 0), /* JTAG-AP */
394 AP_TYPE_COM_AP = AP_REG_IDR_VALUE(ARM_ID, AP_REG_IDR_CLASS_COM, 0), /* COM-AP */
395 AP_TYPE_AHB3_AP = AP_REG_IDR_VALUE(ARM_ID, AP_REG_IDR_CLASS_MEM_AP, 1), /* AHB3 Memory-AP */
396 AP_TYPE_APB_AP = AP_REG_IDR_VALUE(ARM_ID, AP_REG_IDR_CLASS_MEM_AP, 2), /* APB2 or APB3 Memory-AP */
397 AP_TYPE_AXI_AP = AP_REG_IDR_VALUE(ARM_ID, AP_REG_IDR_CLASS_MEM_AP, 4), /* AXI3 or AXI4 Memory-AP */
398 AP_TYPE_AHB5_AP = AP_REG_IDR_VALUE(ARM_ID, AP_REG_IDR_CLASS_MEM_AP, 5), /* AHB5 Memory-AP */
399 AP_TYPE_APB4_AP = AP_REG_IDR_VALUE(ARM_ID, AP_REG_IDR_CLASS_MEM_AP, 6), /* APB4 Memory-AP */
400 AP_TYPE_AXI5_AP = AP_REG_IDR_VALUE(ARM_ID, AP_REG_IDR_CLASS_MEM_AP, 7), /* AXI5 Memory-AP */
401 AP_TYPE_AHB5H_AP = AP_REG_IDR_VALUE(ARM_ID, AP_REG_IDR_CLASS_MEM_AP, 8), /* AHB5 with enhanced HPROT Memory-AP */
402 };
403
404 /* Check the ap->cfg_reg Long Address field (bit 1)
405 *
406 * 0b0: The AP only supports physical addresses 32 bits or smaller
407 * 0b1: The AP supports physical addresses larger than 32 bits
408 *
409 * @param ap The AP used for reading.
410 *
411 * @return true for 64 bit, false for 32 bit
412 */
413 static inline bool is_64bit_ap(struct adiv5_ap *ap)
414 {
415 return (ap->cfg_reg & MEM_AP_REG_CFG_LA) != 0;
416 }
417
418 /**
419 * Send an adi-v5 sequence to the DAP.
420 *
421 * @param dap The DAP used for reading.
422 * @param seq The sequence to send.
423 *
424 * @return ERROR_OK for success, else a fault code.
425 */
426 static inline int dap_send_sequence(struct adiv5_dap *dap,
427 enum swd_special_seq seq)
428 {
429 assert(dap->ops);
430 return dap->ops->send_sequence(dap, seq);
431 }
432
433 /**
434 * Queue a DP register read.
435 * Note that not all DP registers are readable; also, that JTAG and SWD
436 * have slight differences in DP register support.
437 *
438 * @param dap The DAP used for reading.
439 * @param reg The two-bit number of the DP register being read.
440 * @param data Pointer saying where to store the register's value
441 * (in host endianness).
442 *
443 * @return ERROR_OK for success, else a fault code.
444 */
445 static inline int dap_queue_dp_read(struct adiv5_dap *dap,
446 unsigned reg, uint32_t *data)
447 {
448 assert(dap->ops);
449 return dap->ops->queue_dp_read(dap, reg, data);
450 }
451
452 /**
453 * Queue a DP register write.
454 * Note that not all DP registers are writable; also, that JTAG and SWD
455 * have slight differences in DP register support.
456 *
457 * @param dap The DAP used for writing.
458 * @param reg The two-bit number of the DP register being written.
459 * @param data Value being written (host endianness)
460 *
461 * @return ERROR_OK for success, else a fault code.
462 */
463 static inline int dap_queue_dp_write(struct adiv5_dap *dap,
464 unsigned reg, uint32_t data)
465 {
466 assert(dap->ops);
467 return dap->ops->queue_dp_write(dap, reg, data);
468 }
469
470 /**
471 * Queue an AP register read.
472 *
473 * @param ap The AP used for reading.
474 * @param reg The number of the AP register being read.
475 * @param data Pointer saying where to store the register's value
476 * (in host endianness).
477 *
478 * @return ERROR_OK for success, else a fault code.
479 */
480 static inline int dap_queue_ap_read(struct adiv5_ap *ap,
481 unsigned reg, uint32_t *data)
482 {
483 assert(ap->dap->ops);
484 return ap->dap->ops->queue_ap_read(ap, reg, data);
485 }
486
487 /**
488 * Queue an AP register write.
489 *
490 * @param ap The AP used for writing.
491 * @param reg The number of the AP register being written.
492 * @param data Value being written (host endianness)
493 *
494 * @return ERROR_OK for success, else a fault code.
495 */
496 static inline int dap_queue_ap_write(struct adiv5_ap *ap,
497 unsigned reg, uint32_t data)
498 {
499 assert(ap->dap->ops);
500 return ap->dap->ops->queue_ap_write(ap, reg, data);
501 }
502
503 /**
504 * Queue an AP abort operation. The current AP transaction is aborted,
505 * including any update of the transaction counter. The AP is left in
506 * an unknown state (so it must be re-initialized). For use only after
507 * the AP has reported WAIT status for an extended period.
508 *
509 * @param dap The DAP used for writing.
510 * @param ack Pointer to where transaction status will be stored.
511 *
512 * @return ERROR_OK for success, else a fault code.
513 */
514 static inline int dap_queue_ap_abort(struct adiv5_dap *dap, uint8_t *ack)
515 {
516 assert(dap->ops);
517 return dap->ops->queue_ap_abort(dap, ack);
518 }
519
520 /**
521 * Perform all queued DAP operations, and clear any errors posted in the
522 * CTRL_STAT register when they are done. Note that if more than one AP
523 * operation will be queued, one of the first operations in the queue
524 * should probably enable CORUNDETECT in the CTRL/STAT register.
525 *
526 * @param dap The DAP used.
527 *
528 * @return ERROR_OK for success, else a fault code.
529 */
530 static inline int dap_run(struct adiv5_dap *dap)
531 {
532 assert(dap->ops);
533 return dap->ops->run(dap);
534 }
535
536 static inline int dap_sync(struct adiv5_dap *dap)
537 {
538 assert(dap->ops);
539 if (dap->ops->sync)
540 return dap->ops->sync(dap);
541 return ERROR_OK;
542 }
543
544 static inline int dap_dp_read_atomic(struct adiv5_dap *dap, unsigned reg,
545 uint32_t *value)
546 {
547 int retval;
548
549 retval = dap_queue_dp_read(dap, reg, value);
550 if (retval != ERROR_OK)
551 return retval;
552
553 return dap_run(dap);
554 }
555
556 static inline int dap_dp_poll_register(struct adiv5_dap *dap, unsigned reg,
557 uint32_t mask, uint32_t value, int timeout)
558 {
559 assert(timeout > 0);
560 assert((value & mask) == value);
561
562 int ret;
563 uint32_t regval;
564 LOG_DEBUG("DAP: poll %x, mask 0x%08" PRIx32 ", value 0x%08" PRIx32,
565 reg, mask, value);
566 do {
567 ret = dap_dp_read_atomic(dap, reg, &regval);
568 if (ret != ERROR_OK)
569 return ret;
570
571 if ((regval & mask) == value)
572 break;
573
574 alive_sleep(10);
575 } while (--timeout);
576
577 if (!timeout) {
578 LOG_DEBUG("DAP: poll %x timeout", reg);
579 return ERROR_WAIT;
580 } else {
581 return ERROR_OK;
582 }
583 }
584
585 /* Queued MEM-AP memory mapped single word transfers. */
586 int mem_ap_read_u32(struct adiv5_ap *ap,
587 target_addr_t address, uint32_t *value);
588 int mem_ap_write_u32(struct adiv5_ap *ap,
589 target_addr_t address, uint32_t value);
590
591 /* Synchronous MEM-AP memory mapped single word transfers. */
592 int mem_ap_read_atomic_u32(struct adiv5_ap *ap,
593 target_addr_t address, uint32_t *value);
594 int mem_ap_write_atomic_u32(struct adiv5_ap *ap,
595 target_addr_t address, uint32_t value);
596
597 /* Synchronous MEM-AP memory mapped bus block transfers. */
598 int mem_ap_read_buf(struct adiv5_ap *ap,
599 uint8_t *buffer, uint32_t size, uint32_t count, target_addr_t address);
600 int mem_ap_write_buf(struct adiv5_ap *ap,
601 const uint8_t *buffer, uint32_t size, uint32_t count, target_addr_t address);
602
603 /* Synchronous, non-incrementing buffer functions for accessing fifos. */
604 int mem_ap_read_buf_noincr(struct adiv5_ap *ap,
605 uint8_t *buffer, uint32_t size, uint32_t count, target_addr_t address);
606 int mem_ap_write_buf_noincr(struct adiv5_ap *ap,
607 const uint8_t *buffer, uint32_t size, uint32_t count, target_addr_t address);
608
609 /* Initialisation of the debug system, power domains and registers */
610 int dap_dp_init(struct adiv5_dap *dap);
611 int dap_dp_init_or_reconnect(struct adiv5_dap *dap);
612 int mem_ap_init(struct adiv5_ap *ap);
613
614 /* Invalidate cached DP select and cached TAR and CSW of all APs */
615 void dap_invalidate_cache(struct adiv5_dap *dap);
616
617 /* Probe the AP for ROM Table location */
618 int dap_get_debugbase(struct adiv5_ap *ap,
619 target_addr_t *dbgbase, uint32_t *apid);
620
621 /* Probe Access Ports to find a particular type */
622 int dap_find_ap(struct adiv5_dap *dap,
623 enum ap_type type_to_find,
624 struct adiv5_ap **ap_out);
625
626 static inline struct adiv5_ap *dap_ap(struct adiv5_dap *dap, uint8_t ap_num)
627 {
628 return &dap->ap[ap_num];
629 }
630
631 /** Check if SWD multidrop configuration is valid */
632 static inline bool dap_is_multidrop(struct adiv5_dap *dap)
633 {
634 return dap->multidrop_dp_id_valid && dap->multidrop_instance_id_valid;
635 }
636
637 /* Lookup CoreSight component */
638 int dap_lookup_cs_component(struct adiv5_ap *ap,
639 target_addr_t dbgbase, uint8_t type, target_addr_t *addr, int32_t *idx);
640
641 struct target;
642
643 /* Put debug link into SWD mode */
644 int dap_to_swd(struct adiv5_dap *dap);
645
646 /* Put debug link into JTAG mode */
647 int dap_to_jtag(struct adiv5_dap *dap);
648
649 extern const struct command_registration dap_instance_commands[];
650
651 struct arm_dap_object;
652 extern struct adiv5_dap *dap_instance_by_jim_obj(Jim_Interp *interp, Jim_Obj *o);
653 extern struct adiv5_dap *adiv5_get_dap(struct arm_dap_object *obj);
654 extern int dap_info_command(struct command_invocation *cmd,
655 struct adiv5_ap *ap);
656 extern int dap_register_commands(struct command_context *cmd_ctx);
657 extern const char *adiv5_dap_name(struct adiv5_dap *self);
658 extern const struct swd_driver *adiv5_dap_swd_driver(struct adiv5_dap *self);
659 extern int dap_cleanup_all(void);
660
661 struct adiv5_private_config {
662 int ap_num;
663 struct adiv5_dap *dap;
664 };
665
666 extern int adiv5_verify_config(struct adiv5_private_config *pc);
667 extern int adiv5_jim_configure(struct target *target, struct jim_getopt_info *goi);
668
669 struct adiv5_mem_ap_spot {
670 struct adiv5_dap *dap;
671 int ap_num;
672 uint32_t base;
673 };
674
675 extern int adiv5_mem_ap_spot_init(struct adiv5_mem_ap_spot *p);
676 extern int adiv5_jim_mem_ap_spot_configure(struct adiv5_mem_ap_spot *cfg,
677 struct jim_getopt_info *goi);
678
679 #endif /* OPENOCD_TARGET_ARM_ADI_V5_H */

Linking to existing account procedure

If you already have an account and want to add another login method you MUST first sign in with your existing account and then change URL to read https://review.openocd.org/login/?link to get to this page again but this time it'll work for linking. Thank you.

SSH host keys fingerprints

1024 SHA256:YKx8b7u5ZWdcbp7/4AeXNaqElP49m6QrwfXaqQGJAOk gerrit-code-review@openocd.zylin.com (DSA)
384 SHA256:jHIbSQa4REvwCFG4cq5LBlBLxmxSqelQPem/EXIrxjk gerrit-code-review@openocd.org (ECDSA)
521 SHA256:UAOPYkU9Fjtcao0Ul/Rrlnj/OsQvt+pgdYSZ4jOYdgs gerrit-code-review@openocd.org (ECDSA)
256 SHA256:A13M5QlnozFOvTllybRZH6vm7iSt0XLxbA48yfc2yfY gerrit-code-review@openocd.org (ECDSA)
256 SHA256:spYMBqEYoAOtK7yZBrcwE8ZpYt6b68Cfh9yEVetvbXg gerrit-code-review@openocd.org (ED25519)
+--[ED25519 256]--+
|=..              |
|+o..   .         |
|*.o   . .        |
|+B . . .         |
|Bo. = o S        |
|Oo.+ + =         |
|oB=.* = . o      |
| =+=.+   + E     |
|. .=o   . o      |
+----[SHA256]-----+
2048 SHA256:0Onrb7/PHjpo6iVZ7xQX2riKN83FJ3KGU0TvI0TaFG4 gerrit-code-review@openocd.zylin.com (RSA)