f8024b948274e823b830d86feec347bf4e750fbf
[openocd.git] / src / flash / nor / at91sam3.c
1 /***************************************************************************
2 * Copyright (C) 2009 by Duane Ellis *
3 * openocd@duaneellis.com *
4 * *
5 * Copyright (C) 2010 by Olaf L√ľke (at91sam3s* support) *
6 * olaf@uni-paderborn.de *
7 * *
8 * Copyright (C) 2011 by Olivier Schonken (at91sam3x* support) * *
9 * and Jim Norris *
10 * This program is free software; you can redistribute it and/or modify *
11 * it under the terms of the GNU General public License as published by *
12 * the Free Software Foundation; either version 2 of the License, or *
13 * (at your option) any later version. *
14 * *
15 * This program is distributed in the hope that it will be useful, *
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
17 * MERCHANTABILITY or FITNESS for A PARTICULAR PURPOSE. See the *
18 * GNU General public License for more details. *
19 * *
20 * You should have received a copy of the GNU General public License *
21 * along with this program; if not, write to the *
22 * Free Software Foundation, Inc., *
23 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
24 ****************************************************************************/
25
26 /* Some of the the lower level code was based on code supplied by
27 * ATMEL under this copyright. */
28
29 /* BEGIN ATMEL COPYRIGHT */
30 /* ----------------------------------------------------------------------------
31 * ATMEL Microcontroller Software Support
32 * ----------------------------------------------------------------------------
33 * Copyright (c) 2009, Atmel Corporation
34 *
35 * All rights reserved.
36 *
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions are met:
39 *
40 * - Redistributions of source code must retain the above copyright notice,
41 * this list of conditions and the disclaimer below.
42 *
43 * Atmel's name may not be used to endorse or promote products derived from
44 * this software without specific prior written permission.
45 *
46 * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
47 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
48 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
49 * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
50 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
51 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
52 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
53 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
54 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
55 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
56 * ----------------------------------------------------------------------------
57 */
58 /* END ATMEL COPYRIGHT */
59
60 #ifdef HAVE_CONFIG_H
61 #include "config.h"
62 #endif
63
64 #include "imp.h"
65 #include <helper/time_support.h>
66
67 #define REG_NAME_WIDTH (12)
68
69 /* at91sam3u series (has one or two flash banks) */
70 #define FLASH_BANK0_BASE_U 0x00080000
71 #define FLASH_BANK1_BASE_U 0x00100000
72
73 /* at91sam3s series (has always one flash bank) */
74 #define FLASH_BANK_BASE_S 0x00400000
75
76 /* at91sam3n series (has always one flash bank) */
77 #define FLASH_BANK_BASE_N 0x00400000
78
79 /* at91sam3a/x series has two flash banks*/
80 #define FLASH_BANK0_BASE_AX 0x00080000
81 /*Bank 1 of the at91sam3a/x series starts at 0x00080000 + half flash size*/
82 #define FLASH_BANK1_BASE_256K_AX 0x000A0000
83 #define FLASH_BANK1_BASE_512K_AX 0x000C0000
84
85 #define FLASH_BANK0_BASE_SD FLASH_BANK_BASE_S
86 #define FLASH_BANK1_BASE_512K_SD (FLASH_BANK0_BASE_SD+(512*1024/2))
87
88 #define AT91C_EFC_FCMD_GETD (0x0) /* (EFC) Get Flash Descriptor */
89 #define AT91C_EFC_FCMD_WP (0x1) /* (EFC) Write Page */
90 #define AT91C_EFC_FCMD_WPL (0x2) /* (EFC) Write Page and Lock */
91 #define AT91C_EFC_FCMD_EWP (0x3) /* (EFC) Erase Page and Write Page */
92 #define AT91C_EFC_FCMD_EWPL (0x4) /* (EFC) Erase Page and Write Page then Lock */
93 #define AT91C_EFC_FCMD_EA (0x5) /* (EFC) Erase All */
94 /* cmd6 is not present in the at91sam3u4/2/1 data sheet table 17-2 */
95 /* #define AT91C_EFC_FCMD_EPL (0x6) // (EFC) Erase plane? */
96 /* cmd7 is not present in the at91sam3u4/2/1 data sheet table 17-2 */
97 /* #define AT91C_EFC_FCMD_EPA (0x7) // (EFC) Erase pages? */
98 #define AT91C_EFC_FCMD_SLB (0x8) /* (EFC) Set Lock Bit */
99 #define AT91C_EFC_FCMD_CLB (0x9) /* (EFC) Clear Lock Bit */
100 #define AT91C_EFC_FCMD_GLB (0xA) /* (EFC) Get Lock Bit */
101 #define AT91C_EFC_FCMD_SFB (0xB) /* (EFC) Set Fuse Bit */
102 #define AT91C_EFC_FCMD_CFB (0xC) /* (EFC) Clear Fuse Bit */
103 #define AT91C_EFC_FCMD_GFB (0xD) /* (EFC) Get Fuse Bit */
104 #define AT91C_EFC_FCMD_STUI (0xE) /* (EFC) Start Read Unique ID */
105 #define AT91C_EFC_FCMD_SPUI (0xF) /* (EFC) Stop Read Unique ID */
106
107 #define offset_EFC_FMR 0
108 #define offset_EFC_FCR 4
109 #define offset_EFC_FSR 8
110 #define offset_EFC_FRR 12
111
112 extern struct flash_driver at91sam3_flash;
113
114 static float _tomhz(uint32_t freq_hz)
115 {
116 float f;
117
118 f = ((float)(freq_hz)) / 1000000.0;
119 return f;
120 }
121
122 /* How the chip is configured. */
123 struct sam3_cfg {
124 uint32_t unique_id[4];
125
126 uint32_t slow_freq;
127 uint32_t rc_freq;
128 uint32_t mainosc_freq;
129 uint32_t plla_freq;
130 uint32_t mclk_freq;
131 uint32_t cpu_freq;
132 uint32_t fclk_freq;
133 uint32_t pclk0_freq;
134 uint32_t pclk1_freq;
135 uint32_t pclk2_freq;
136
137
138 #define SAM3_CHIPID_CIDR (0x400E0740)
139 uint32_t CHIPID_CIDR;
140 #define SAM3_CHIPID_CIDR2 (0x400E0940) /*SAM3X and SAM3A cidr at this address*/
141 uint32_t CHIPID_CIDR2;
142 #define SAM3_CHIPID_EXID (0x400E0744)
143 uint32_t CHIPID_EXID;
144 #define SAM3_CHIPID_EXID2 (0x400E0944) /*SAM3X and SAM3A cidr at this address*/
145 uint32_t CHIPID_EXID2;
146
147
148 #define SAM3_PMC_BASE (0x400E0400)
149 #define SAM3_PMC_SCSR (SAM3_PMC_BASE + 0x0008)
150 uint32_t PMC_SCSR;
151 #define SAM3_PMC_PCSR (SAM3_PMC_BASE + 0x0018)
152 uint32_t PMC_PCSR;
153 #define SAM3_CKGR_UCKR (SAM3_PMC_BASE + 0x001c)
154 uint32_t CKGR_UCKR;
155 #define SAM3_CKGR_MOR (SAM3_PMC_BASE + 0x0020)
156 uint32_t CKGR_MOR;
157 #define SAM3_CKGR_MCFR (SAM3_PMC_BASE + 0x0024)
158 uint32_t CKGR_MCFR;
159 #define SAM3_CKGR_PLLAR (SAM3_PMC_BASE + 0x0028)
160 uint32_t CKGR_PLLAR;
161 #define SAM3_PMC_MCKR (SAM3_PMC_BASE + 0x0030)
162 uint32_t PMC_MCKR;
163 #define SAM3_PMC_PCK0 (SAM3_PMC_BASE + 0x0040)
164 uint32_t PMC_PCK0;
165 #define SAM3_PMC_PCK1 (SAM3_PMC_BASE + 0x0044)
166 uint32_t PMC_PCK1;
167 #define SAM3_PMC_PCK2 (SAM3_PMC_BASE + 0x0048)
168 uint32_t PMC_PCK2;
169 #define SAM3_PMC_SR (SAM3_PMC_BASE + 0x0068)
170 uint32_t PMC_SR;
171 #define SAM3_PMC_IMR (SAM3_PMC_BASE + 0x006c)
172 uint32_t PMC_IMR;
173 #define SAM3_PMC_FSMR (SAM3_PMC_BASE + 0x0070)
174 uint32_t PMC_FSMR;
175 #define SAM3_PMC_FSPR (SAM3_PMC_BASE + 0x0074)
176 uint32_t PMC_FSPR;
177 };
178
179 /*
180 * The AT91SAM3N data sheet 04-Oct-2010, AT91SAM3U data sheet 22-Aug-2011
181 * and AT91SAM3S data sheet 09-Feb-2011 state that for flash writes
182 * the flash wait state (FWS) should be set to 6. It seems like that the
183 * cause of the problem is not the flash itself, but the flash write
184 * buffer. Ie the wait states have to be set before writing into the
185 * buffer.
186 * Tested and confirmed with SAM3N and SAM3U
187 */
188
189 struct sam3_bank_private {
190 int probed;
191 /* DANGER: THERE ARE DRAGONS HERE.. */
192 /* NOTE: If you add more 'ghost' pointers */
193 /* be aware that you must *manually* update */
194 /* these pointers in the function sam3_GetDetails() */
195 /* See the comment "Here there be dragons" */
196
197 /* so we can find the chip we belong to */
198 struct sam3_chip *pChip;
199 /* so we can find the original bank pointer */
200 struct flash_bank *pBank;
201 unsigned bank_number;
202 uint32_t controller_address;
203 uint32_t base_address;
204 uint32_t flash_wait_states;
205 bool present;
206 unsigned size_bytes;
207 unsigned nsectors;
208 unsigned sector_size;
209 unsigned page_size;
210 };
211
212 struct sam3_chip_details {
213 /* THERE ARE DRAGONS HERE.. */
214 /* note: If you add pointers here */
215 /* be careful about them as they */
216 /* may need to be updated inside */
217 /* the function: "sam3_GetDetails() */
218 /* which copy/overwrites the */
219 /* 'runtime' copy of this structure */
220 uint32_t chipid_cidr;
221 const char *name;
222
223 unsigned n_gpnvms;
224 #define SAM3_N_NVM_BITS 3
225 unsigned gpnvm[SAM3_N_NVM_BITS];
226 unsigned total_flash_size;
227 unsigned total_sram_size;
228 unsigned n_banks;
229 #define SAM3_MAX_FLASH_BANKS 2
230 /* these are "initialized" from the global const data */
231 struct sam3_bank_private bank[SAM3_MAX_FLASH_BANKS];
232 };
233
234 struct sam3_chip {
235 struct sam3_chip *next;
236 int probed;
237
238 /* this is "initialized" from the global const structure */
239 struct sam3_chip_details details;
240 struct target *target;
241 struct sam3_cfg cfg;
242 };
243
244
245 struct sam3_reg_list {
246 uint32_t address; size_t struct_offset; const char *name;
247 void (*explain_func)(struct sam3_chip *pInfo);
248 };
249
250 static struct sam3_chip *all_sam3_chips;
251
252 static struct sam3_chip *get_current_sam3(struct command_context *cmd_ctx)
253 {
254 struct target *t;
255 static struct sam3_chip *p;
256
257 t = get_current_target(cmd_ctx);
258 if (!t) {
259 command_print(cmd_ctx, "No current target?");
260 return NULL;
261 }
262
263 p = all_sam3_chips;
264 if (!p) {
265 /* this should not happen */
266 /* the command is not registered until the chip is created? */
267 command_print(cmd_ctx, "No SAM3 chips exist?");
268 return NULL;
269 }
270
271 while (p) {
272 if (p->target == t)
273 return p;
274 p = p->next;
275 }
276 command_print(cmd_ctx, "Cannot find SAM3 chip?");
277 return NULL;
278 }
279
280 /* these are used to *initialize* the "pChip->details" structure. */
281 static const struct sam3_chip_details all_sam3_details[] = {
282 /* Start at91sam3u* series */
283 {
284 .chipid_cidr = 0x28100960,
285 .name = "at91sam3u4e",
286 .total_flash_size = 256 * 1024,
287 .total_sram_size = 52 * 1024,
288 .n_gpnvms = 3,
289 .n_banks = 2,
290
291 /* System boots at address 0x0 */
292 /* gpnvm[1] = selects boot code */
293 /* if gpnvm[1] == 0 */
294 /* boot is via "SAMBA" (rom) */
295 /* else */
296 /* boot is via FLASH */
297 /* Selection is via gpnvm[2] */
298 /* endif */
299 /* */
300 /* NOTE: banks 0 & 1 switch places */
301 /* if gpnvm[2] == 0 */
302 /* Bank0 is the boot rom */
303 /* else */
304 /* Bank1 is the boot rom */
305 /* endif */
306 /* .bank[0] = { */
307 {
308 {
309 .probed = 0,
310 .pChip = NULL,
311 .pBank = NULL,
312 .bank_number = 0,
313 .base_address = FLASH_BANK0_BASE_U,
314 .controller_address = 0x400e0800,
315 .flash_wait_states = 6, /* workaround silicon bug */
316 .present = 1,
317 .size_bytes = 128 * 1024,
318 .nsectors = 16,
319 .sector_size = 8192,
320 .page_size = 256,
321 },
322
323 /* .bank[1] = { */
324 {
325 .probed = 0,
326 .pChip = NULL,
327 .pBank = NULL,
328 .bank_number = 1,
329 .base_address = FLASH_BANK1_BASE_U,
330 .controller_address = 0x400e0a00,
331 .flash_wait_states = 6, /* workaround silicon bug */
332 .present = 1,
333 .size_bytes = 128 * 1024,
334 .nsectors = 16,
335 .sector_size = 8192,
336 .page_size = 256,
337 },
338 },
339 },
340
341 {
342 .chipid_cidr = 0x281a0760,
343 .name = "at91sam3u2e",
344 .total_flash_size = 128 * 1024,
345 .total_sram_size = 36 * 1024,
346 .n_gpnvms = 2,
347 .n_banks = 1,
348
349 /* System boots at address 0x0 */
350 /* gpnvm[1] = selects boot code */
351 /* if gpnvm[1] == 0 */
352 /* boot is via "SAMBA" (rom) */
353 /* else */
354 /* boot is via FLASH */
355 /* Selection is via gpnvm[2] */
356 /* endif */
357 /* .bank[0] = { */
358 {
359 {
360 .probed = 0,
361 .pChip = NULL,
362 .pBank = NULL,
363 .bank_number = 0,
364 .base_address = FLASH_BANK0_BASE_U,
365 .controller_address = 0x400e0800,
366 .flash_wait_states = 6, /* workaround silicon bug */
367 .present = 1,
368 .size_bytes = 128 * 1024,
369 .nsectors = 16,
370 .sector_size = 8192,
371 .page_size = 256,
372 },
373 /* .bank[1] = { */
374 {
375 .present = 0,
376 .probed = 0,
377 .bank_number = 1,
378 },
379 },
380 },
381 {
382 .chipid_cidr = 0x28190560,
383 .name = "at91sam3u1e",
384 .total_flash_size = 64 * 1024,
385 .total_sram_size = 20 * 1024,
386 .n_gpnvms = 2,
387 .n_banks = 1,
388
389 /* System boots at address 0x0 */
390 /* gpnvm[1] = selects boot code */
391 /* if gpnvm[1] == 0 */
392 /* boot is via "SAMBA" (rom) */
393 /* else */
394 /* boot is via FLASH */
395 /* Selection is via gpnvm[2] */
396 /* endif */
397 /* */
398
399 /* .bank[0] = { */
400 {
401 {
402 .probed = 0,
403 .pChip = NULL,
404 .pBank = NULL,
405 .bank_number = 0,
406 .base_address = FLASH_BANK0_BASE_U,
407 .controller_address = 0x400e0800,
408 .flash_wait_states = 6, /* workaround silicon bug */
409 .present = 1,
410 .size_bytes = 64 * 1024,
411 .nsectors = 8,
412 .sector_size = 8192,
413 .page_size = 256,
414 },
415
416 /* .bank[1] = { */
417 {
418 .present = 0,
419 .probed = 0,
420 .bank_number = 1,
421 },
422 },
423 },
424
425 {
426 .chipid_cidr = 0x28000960,
427 .name = "at91sam3u4c",
428 .total_flash_size = 256 * 1024,
429 .total_sram_size = 52 * 1024,
430 .n_gpnvms = 3,
431 .n_banks = 2,
432
433 /* System boots at address 0x0 */
434 /* gpnvm[1] = selects boot code */
435 /* if gpnvm[1] == 0 */
436 /* boot is via "SAMBA" (rom) */
437 /* else */
438 /* boot is via FLASH */
439 /* Selection is via gpnvm[2] */
440 /* endif */
441 /* */
442 /* NOTE: banks 0 & 1 switch places */
443 /* if gpnvm[2] == 0 */
444 /* Bank0 is the boot rom */
445 /* else */
446 /* Bank1 is the boot rom */
447 /* endif */
448 {
449 {
450 /* .bank[0] = { */
451 .probed = 0,
452 .pChip = NULL,
453 .pBank = NULL,
454 .bank_number = 0,
455 .base_address = FLASH_BANK0_BASE_U,
456 .controller_address = 0x400e0800,
457 .flash_wait_states = 6, /* workaround silicon bug */
458 .present = 1,
459 .size_bytes = 128 * 1024,
460 .nsectors = 16,
461 .sector_size = 8192,
462 .page_size = 256,
463 },
464 /* .bank[1] = { */
465 {
466 .probed = 0,
467 .pChip = NULL,
468 .pBank = NULL,
469 .bank_number = 1,
470 .base_address = FLASH_BANK1_BASE_U,
471 .controller_address = 0x400e0a00,
472 .flash_wait_states = 6, /* workaround silicon bug */
473 .present = 1,
474 .size_bytes = 128 * 1024,
475 .nsectors = 16,
476 .sector_size = 8192,
477 .page_size = 256,
478 },
479 },
480 },
481
482 {
483 .chipid_cidr = 0x280a0760,
484 .name = "at91sam3u2c",
485 .total_flash_size = 128 * 1024,
486 .total_sram_size = 36 * 1024,
487 .n_gpnvms = 2,
488 .n_banks = 1,
489
490 /* System boots at address 0x0 */
491 /* gpnvm[1] = selects boot code */
492 /* if gpnvm[1] == 0 */
493 /* boot is via "SAMBA" (rom) */
494 /* else */
495 /* boot is via FLASH */
496 /* Selection is via gpnvm[2] */
497 /* endif */
498 {
499 /* .bank[0] = { */
500 {
501 .probed = 0,
502 .pChip = NULL,
503 .pBank = NULL,
504 .bank_number = 0,
505 .base_address = FLASH_BANK0_BASE_U,
506 .controller_address = 0x400e0800,
507 .flash_wait_states = 6, /* workaround silicon bug */
508 .present = 1,
509 .size_bytes = 128 * 1024,
510 .nsectors = 16,
511 .sector_size = 8192,
512 .page_size = 256,
513 },
514 /* .bank[1] = { */
515 {
516 .present = 0,
517 .probed = 0,
518 .bank_number = 1,
519 },
520 },
521 },
522 {
523 .chipid_cidr = 0x28090560,
524 .name = "at91sam3u1c",
525 .total_flash_size = 64 * 1024,
526 .total_sram_size = 20 * 1024,
527 .n_gpnvms = 2,
528 .n_banks = 1,
529
530 /* System boots at address 0x0 */
531 /* gpnvm[1] = selects boot code */
532 /* if gpnvm[1] == 0 */
533 /* boot is via "SAMBA" (rom) */
534 /* else */
535 /* boot is via FLASH */
536 /* Selection is via gpnvm[2] */
537 /* endif */
538 /* */
539
540 {
541 /* .bank[0] = { */
542 {
543 .probed = 0,
544 .pChip = NULL,
545 .pBank = NULL,
546 .bank_number = 0,
547 .base_address = FLASH_BANK0_BASE_U,
548 .controller_address = 0x400e0800,
549 .flash_wait_states = 6, /* workaround silicon bug */
550 .present = 1,
551 .size_bytes = 64 * 1024,
552 .nsectors = 8,
553 .sector_size = 8192,
554 .page_size = 256,
555 },
556 /* .bank[1] = { */
557 {
558 .present = 0,
559 .probed = 0,
560 .bank_number = 1,
561
562 },
563 },
564 },
565
566 /* Start at91sam3s* series */
567
568 /* Note: The preliminary at91sam3s datasheet says on page 302 */
569 /* that the flash controller is at address 0x400E0800. */
570 /* This is _not_ the case, the controller resides at address 0x400e0a0. */
571 {
572 .chipid_cidr = 0x28A00960,
573 .name = "at91sam3s4c",
574 .total_flash_size = 256 * 1024,
575 .total_sram_size = 48 * 1024,
576 .n_gpnvms = 2,
577 .n_banks = 1,
578 {
579 /* .bank[0] = { */
580 {
581 .probed = 0,
582 .pChip = NULL,
583 .pBank = NULL,
584 .bank_number = 0,
585 .base_address = FLASH_BANK_BASE_S,
586 .controller_address = 0x400e0a00,
587 .flash_wait_states = 6, /* workaround silicon bug */
588 .present = 1,
589 .size_bytes = 256 * 1024,
590 .nsectors = 16,
591 .sector_size = 16384,
592 .page_size = 256,
593 },
594 /* .bank[1] = { */
595 {
596 .present = 0,
597 .probed = 0,
598 .bank_number = 1,
599
600 },
601 },
602 },
603
604 {
605 .chipid_cidr = 0x28900960,
606 .name = "at91sam3s4b",
607 .total_flash_size = 256 * 1024,
608 .total_sram_size = 48 * 1024,
609 .n_gpnvms = 2,
610 .n_banks = 1,
611 {
612 /* .bank[0] = { */
613 {
614 .probed = 0,
615 .pChip = NULL,
616 .pBank = NULL,
617 .bank_number = 0,
618 .base_address = FLASH_BANK_BASE_S,
619 .controller_address = 0x400e0a00,
620 .flash_wait_states = 6, /* workaround silicon bug */
621 .present = 1,
622 .size_bytes = 256 * 1024,
623 .nsectors = 16,
624 .sector_size = 16384,
625 .page_size = 256,
626 },
627 /* .bank[1] = { */
628 {
629 .present = 0,
630 .probed = 0,
631 .bank_number = 1,
632
633 },
634 },
635 },
636 {
637 .chipid_cidr = 0x28800960,
638 .name = "at91sam3s4a",
639 .total_flash_size = 256 * 1024,
640 .total_sram_size = 48 * 1024,
641 .n_gpnvms = 2,
642 .n_banks = 1,
643 {
644 /* .bank[0] = { */
645 {
646 .probed = 0,
647 .pChip = NULL,
648 .pBank = NULL,
649 .bank_number = 0,
650 .base_address = FLASH_BANK_BASE_S,
651 .controller_address = 0x400e0a00,
652 .flash_wait_states = 6, /* workaround silicon bug */
653 .present = 1,
654 .size_bytes = 256 * 1024,
655 .nsectors = 16,
656 .sector_size = 16384,
657 .page_size = 256,
658 },
659 /* .bank[1] = { */
660 {
661 .present = 0,
662 .probed = 0,
663 .bank_number = 1,
664
665 },
666 },
667 },
668 {
669 .chipid_cidr = 0x28AA0760,
670 .name = "at91sam3s2c",
671 .total_flash_size = 128 * 1024,
672 .total_sram_size = 32 * 1024,
673 .n_gpnvms = 2,
674 .n_banks = 1,
675 {
676 /* .bank[0] = { */
677 {
678 .probed = 0,
679 .pChip = NULL,
680 .pBank = NULL,
681 .bank_number = 0,
682 .base_address = FLASH_BANK_BASE_S,
683 .controller_address = 0x400e0a00,
684 .flash_wait_states = 6, /* workaround silicon bug */
685 .present = 1,
686 .size_bytes = 128 * 1024,
687 .nsectors = 8,
688 .sector_size = 16384,
689 .page_size = 256,
690 },
691 /* .bank[1] = { */
692 {
693 .present = 0,
694 .probed = 0,
695 .bank_number = 1,
696
697 },
698 },
699 },
700 {
701 .chipid_cidr = 0x289A0760,
702 .name = "at91sam3s2b",
703 .total_flash_size = 128 * 1024,
704 .total_sram_size = 32 * 1024,
705 .n_gpnvms = 2,
706 .n_banks = 1,
707 {
708 /* .bank[0] = { */
709 {
710 .probed = 0,
711 .pChip = NULL,
712 .pBank = NULL,
713 .bank_number = 0,
714 .base_address = FLASH_BANK_BASE_S,
715 .controller_address = 0x400e0a00,
716 .flash_wait_states = 6, /* workaround silicon bug */
717 .present = 1,
718 .size_bytes = 128 * 1024,
719 .nsectors = 8,
720 .sector_size = 16384,
721 .page_size = 256,
722 },
723 /* .bank[1] = { */
724 {
725 .present = 0,
726 .probed = 0,
727 .bank_number = 1,
728
729 },
730 },
731 },
732 {
733 .chipid_cidr = 0x29ab0a60,
734 .name = "at91sam3sd8c",
735 .total_flash_size = 512 * 1024,
736 .total_sram_size = 64 * 1024,
737 .n_gpnvms = 3,
738 .n_banks = 2,
739 {
740 /* .bank[0] = { */
741 {
742 .probed = 0,
743 .pChip = NULL,
744 .pBank = NULL,
745 .bank_number = 0,
746 .base_address = FLASH_BANK0_BASE_SD,
747 .controller_address = 0x400e0a00,
748 .flash_wait_states = 6, /* workaround silicon bug */
749 .present = 1,
750 .size_bytes = 256 * 1024,
751 .nsectors = 16,
752 .sector_size = 16384,
753 .page_size = 256,
754 },
755 /* .bank[1] = { */
756 {
757 .probed = 0,
758 .pChip = NULL,
759 .pBank = NULL,
760 .bank_number = 1,
761 .base_address = FLASH_BANK1_BASE_512K_SD,
762 .controller_address = 0x400e0a00,
763 .flash_wait_states = 6, /* workaround silicon bug */
764 .present = 1,
765 .size_bytes = 256 * 1024,
766 .nsectors = 16,
767 .sector_size = 16384,
768 .page_size = 256,
769 },
770 },
771 },
772 {
773 .chipid_cidr = 0x288A0760,
774 .name = "at91sam3s2a",
775 .total_flash_size = 128 * 1024,
776 .total_sram_size = 32 * 1024,
777 .n_gpnvms = 2,
778 .n_banks = 1,
779 {
780 /* .bank[0] = { */
781 {
782 .probed = 0,
783 .pChip = NULL,
784 .pBank = NULL,
785 .bank_number = 0,
786 .base_address = FLASH_BANK_BASE_S,
787 .controller_address = 0x400e0a00,
788 .flash_wait_states = 6, /* workaround silicon bug */
789 .present = 1,
790 .size_bytes = 128 * 1024,
791 .nsectors = 8,
792 .sector_size = 16384,
793 .page_size = 256,
794 },
795 /* .bank[1] = { */
796 {
797 .present = 0,
798 .probed = 0,
799 .bank_number = 1,
800
801 },
802 },
803 },
804 {
805 .chipid_cidr = 0x28A90560,
806 .name = "at91sam3s1c",
807 .total_flash_size = 64 * 1024,
808 .total_sram_size = 16 * 1024,
809 .n_gpnvms = 2,
810 .n_banks = 1,
811 {
812 /* .bank[0] = { */
813 {
814 .probed = 0,
815 .pChip = NULL,
816 .pBank = NULL,
817 .bank_number = 0,
818 .base_address = FLASH_BANK_BASE_S,
819 .controller_address = 0x400e0a00,
820 .flash_wait_states = 6, /* workaround silicon bug */
821 .present = 1,
822 .size_bytes = 64 * 1024,
823 .nsectors = 4,
824 .sector_size = 16384,
825 .page_size = 256,
826 },
827 /* .bank[1] = { */
828 {
829 .present = 0,
830 .probed = 0,
831 .bank_number = 1,
832
833 },
834 },
835 },
836 {
837 .chipid_cidr = 0x28990560,
838 .name = "at91sam3s1b",
839 .total_flash_size = 64 * 1024,
840 .total_sram_size = 16 * 1024,
841 .n_gpnvms = 2,
842 .n_banks = 1,
843 {
844 /* .bank[0] = { */
845 {
846 .probed = 0,
847 .pChip = NULL,
848 .pBank = NULL,
849 .bank_number = 0,
850 .base_address = FLASH_BANK_BASE_S,
851 .controller_address = 0x400e0a00,
852 .flash_wait_states = 6, /* workaround silicon bug */
853 .present = 1,
854 .size_bytes = 64 * 1024,
855 .nsectors = 4,
856 .sector_size = 16384,
857 .page_size = 256,
858 },
859 /* .bank[1] = { */
860 {
861 .present = 0,
862 .probed = 0,
863 .bank_number = 1,
864
865 },
866 },
867 },
868 {
869 .chipid_cidr = 0x28890560,
870 .name = "at91sam3s1a",
871 .total_flash_size = 64 * 1024,
872 .total_sram_size = 16 * 1024,
873 .n_gpnvms = 2,
874 .n_banks = 1,
875 {
876 /* .bank[0] = { */
877 {
878 .probed = 0,
879 .pChip = NULL,
880 .pBank = NULL,
881 .bank_number = 0,
882 .base_address = FLASH_BANK_BASE_S,
883 .controller_address = 0x400e0a00,
884 .flash_wait_states = 6, /* workaround silicon bug */
885 .present = 1,
886 .size_bytes = 64 * 1024,
887 .nsectors = 4,
888 .sector_size = 16384,
889 .page_size = 256,
890 },
891 /* .bank[1] = { */
892 {
893 .present = 0,
894 .probed = 0,
895 .bank_number = 1,
896
897 },
898 },
899 },
900
901 /* Start at91sam3n* series */
902 {
903 .chipid_cidr = 0x29540960,
904 .name = "at91sam3n4c",
905 .total_flash_size = 256 * 1024,
906 .total_sram_size = 24 * 1024,
907 .n_gpnvms = 3,
908 .n_banks = 1,
909
910 /* System boots at address 0x0 */
911 /* gpnvm[1] = selects boot code */
912 /* if gpnvm[1] == 0 */
913 /* boot is via "SAMBA" (rom) */
914 /* else */
915 /* boot is via FLASH */
916 /* Selection is via gpnvm[2] */
917 /* endif */
918 /* */
919 /* NOTE: banks 0 & 1 switch places */
920 /* if gpnvm[2] == 0 */
921 /* Bank0 is the boot rom */
922 /* else */
923 /* Bank1 is the boot rom */
924 /* endif */
925 /* .bank[0] = { */
926 {
927 {
928 .probed = 0,
929 .pChip = NULL,
930 .pBank = NULL,
931 .bank_number = 0,
932 .base_address = FLASH_BANK_BASE_N,
933 .controller_address = 0x400e0A00,
934 .flash_wait_states = 6, /* workaround silicon bug */
935 .present = 1,
936 .size_bytes = 256 * 1024,
937 .nsectors = 16,
938 .sector_size = 16384,
939 .page_size = 256,
940 },
941
942 /* .bank[1] = { */
943 {
944 .present = 0,
945 .probed = 0,
946 .bank_number = 1,
947 },
948 },
949 },
950
951 {
952 .chipid_cidr = 0x29440960,
953 .name = "at91sam3n4b",
954 .total_flash_size = 256 * 1024,
955 .total_sram_size = 24 * 1024,
956 .n_gpnvms = 3,
957 .n_banks = 1,
958
959 /* System boots at address 0x0 */
960 /* gpnvm[1] = selects boot code */
961 /* if gpnvm[1] == 0 */
962 /* boot is via "SAMBA" (rom) */
963 /* else */
964 /* boot is via FLASH */
965 /* Selection is via gpnvm[2] */
966 /* endif */
967 /* */
968 /* NOTE: banks 0 & 1 switch places */
969 /* if gpnvm[2] == 0 */
970 /* Bank0 is the boot rom */
971 /* else */
972 /* Bank1 is the boot rom */
973 /* endif */
974 /* .bank[0] = { */
975 {
976 {
977 .probed = 0,
978 .pChip = NULL,
979 .pBank = NULL,
980 .bank_number = 0,
981 .base_address = FLASH_BANK_BASE_N,
982 .controller_address = 0x400e0A00,
983 .flash_wait_states = 6, /* workaround silicon bug */
984 .present = 1,
985 .size_bytes = 256 * 1024,
986 .nsectors = 16,
987 .sector_size = 16384,
988 .page_size = 256,
989 },
990
991 /* .bank[1] = { */
992 {
993 .present = 0,
994 .probed = 0,
995 .bank_number = 1,
996 },
997 },
998 },
999
1000 {
1001 .chipid_cidr = 0x29340960,
1002 .name = "at91sam3n4a",
1003 .total_flash_size = 256 * 1024,
1004 .total_sram_size = 24 * 1024,
1005 .n_gpnvms = 3,
1006 .n_banks = 1,
1007
1008 /* System boots at address 0x0 */
1009 /* gpnvm[1] = selects boot code */
1010 /* if gpnvm[1] == 0 */
1011 /* boot is via "SAMBA" (rom) */
1012 /* else */
1013 /* boot is via FLASH */
1014 /* Selection is via gpnvm[2] */
1015 /* endif */
1016 /* */
1017 /* NOTE: banks 0 & 1 switch places */
1018 /* if gpnvm[2] == 0 */
1019 /* Bank0 is the boot rom */
1020 /* else */
1021 /* Bank1 is the boot rom */
1022 /* endif */
1023 /* .bank[0] = { */
1024 {
1025 {
1026 .probed = 0,
1027 .pChip = NULL,
1028 .pBank = NULL,
1029 .bank_number = 0,
1030 .base_address = FLASH_BANK_BASE_N,
1031 .controller_address = 0x400e0A00,
1032 .flash_wait_states = 6, /* workaround silicon bug */
1033 .present = 1,
1034 .size_bytes = 256 * 1024,
1035 .nsectors = 16,
1036 .sector_size = 16384,
1037 .page_size = 256,
1038 },
1039
1040 /* .bank[1] = { */
1041 {
1042 .present = 0,
1043 .probed = 0,
1044 .bank_number = 1,
1045 },
1046 },
1047 },
1048
1049 {
1050 .chipid_cidr = 0x29590760,
1051 .name = "at91sam3n2c",
1052 .total_flash_size = 128 * 1024,
1053 .total_sram_size = 16 * 1024,
1054 .n_gpnvms = 3,
1055 .n_banks = 1,
1056
1057 /* System boots at address 0x0 */
1058 /* gpnvm[1] = selects boot code */
1059 /* if gpnvm[1] == 0 */
1060 /* boot is via "SAMBA" (rom) */
1061 /* else */
1062 /* boot is via FLASH */
1063 /* Selection is via gpnvm[2] */
1064 /* endif */
1065 /* */
1066 /* NOTE: banks 0 & 1 switch places */
1067 /* if gpnvm[2] == 0 */
1068 /* Bank0 is the boot rom */
1069 /* else */
1070 /* Bank1 is the boot rom */
1071 /* endif */
1072 /* .bank[0] = { */
1073 {
1074 {
1075 .probed = 0,
1076 .pChip = NULL,
1077 .pBank = NULL,
1078 .bank_number = 0,
1079 .base_address = FLASH_BANK_BASE_N,
1080 .controller_address = 0x400e0A00,
1081 .flash_wait_states = 6, /* workaround silicon bug */
1082 .present = 1,
1083 .size_bytes = 128 * 1024,
1084 .nsectors = 8,
1085 .sector_size = 16384,
1086 .page_size = 256,
1087 },
1088
1089 /* .bank[1] = { */
1090 {
1091 .present = 0,
1092 .probed = 0,
1093 .bank_number = 1,
1094 },
1095 },
1096 },
1097
1098 {
1099 .chipid_cidr = 0x29490760,
1100 .name = "at91sam3n2b",
1101 .total_flash_size = 128 * 1024,
1102 .total_sram_size = 16 * 1024,
1103 .n_gpnvms = 3,
1104 .n_banks = 1,
1105
1106 /* System boots at address 0x0 */
1107 /* gpnvm[1] = selects boot code */
1108 /* if gpnvm[1] == 0 */
1109 /* boot is via "SAMBA" (rom) */
1110 /* else */
1111 /* boot is via FLASH */
1112 /* Selection is via gpnvm[2] */
1113 /* endif */
1114 /* */
1115 /* NOTE: banks 0 & 1 switch places */
1116 /* if gpnvm[2] == 0 */
1117 /* Bank0 is the boot rom */
1118 /* else */
1119 /* Bank1 is the boot rom */
1120 /* endif */
1121 /* .bank[0] = { */
1122 {
1123 {
1124 .probed = 0,
1125 .pChip = NULL,
1126 .pBank = NULL,
1127 .bank_number = 0,
1128 .base_address = FLASH_BANK_BASE_N,
1129 .controller_address = 0x400e0A00,
1130 .flash_wait_states = 6, /* workaround silicon bug */
1131 .present = 1,
1132 .size_bytes = 128 * 1024,
1133 .nsectors = 8,
1134 .sector_size = 16384,
1135 .page_size = 256,
1136 },
1137
1138 /* .bank[1] = { */
1139 {
1140 .present = 0,
1141 .probed = 0,
1142 .bank_number = 1,
1143 },
1144 },
1145 },
1146
1147 {
1148 .chipid_cidr = 0x29390760,
1149 .name = "at91sam3n2a",
1150 .total_flash_size = 128 * 1024,
1151 .total_sram_size = 16 * 1024,
1152 .n_gpnvms = 3,
1153 .n_banks = 1,
1154
1155 /* System boots at address 0x0 */
1156 /* gpnvm[1] = selects boot code */
1157 /* if gpnvm[1] == 0 */
1158 /* boot is via "SAMBA" (rom) */
1159 /* else */
1160 /* boot is via FLASH */
1161 /* Selection is via gpnvm[2] */
1162 /* endif */
1163 /* */
1164 /* NOTE: banks 0 & 1 switch places */
1165 /* if gpnvm[2] == 0 */
1166 /* Bank0 is the boot rom */
1167 /* else */
1168 /* Bank1 is the boot rom */
1169 /* endif */
1170 /* .bank[0] = { */
1171 {
1172 {
1173 .probed = 0,
1174 .pChip = NULL,
1175 .pBank = NULL,
1176 .bank_number = 0,
1177 .base_address = FLASH_BANK_BASE_N,
1178 .controller_address = 0x400e0A00,
1179 .flash_wait_states = 6, /* workaround silicon bug */
1180 .present = 1,
1181 .size_bytes = 128 * 1024,
1182 .nsectors = 8,
1183 .sector_size = 16384,
1184 .page_size = 256,
1185 },
1186
1187 /* .bank[1] = { */
1188 {
1189 .present = 0,
1190 .probed = 0,
1191 .bank_number = 1,
1192 },
1193 },
1194 },
1195
1196 {
1197 .chipid_cidr = 0x29580560,
1198 .name = "at91sam3n1c",
1199 .total_flash_size = 64 * 1024,
1200 .total_sram_size = 8 * 1024,
1201 .n_gpnvms = 3,
1202 .n_banks = 1,
1203
1204 /* System boots at address 0x0 */
1205 /* gpnvm[1] = selects boot code */
1206 /* if gpnvm[1] == 0 */
1207 /* boot is via "SAMBA" (rom) */
1208 /* else */
1209 /* boot is via FLASH */
1210 /* Selection is via gpnvm[2] */
1211 /* endif */
1212 /* */
1213 /* NOTE: banks 0 & 1 switch places */
1214 /* if gpnvm[2] == 0 */
1215 /* Bank0 is the boot rom */
1216 /* else */
1217 /* Bank1 is the boot rom */
1218 /* endif */
1219 /* .bank[0] = { */
1220 {
1221 {
1222 .probed = 0,
1223 .pChip = NULL,
1224 .pBank = NULL,
1225 .bank_number = 0,
1226 .base_address = FLASH_BANK_BASE_N,
1227 .controller_address = 0x400e0A00,
1228 .flash_wait_states = 6, /* workaround silicon bug */
1229 .present = 1,
1230 .size_bytes = 64 * 1024,
1231 .nsectors = 4,
1232 .sector_size = 16384,
1233 .page_size = 256,
1234 },
1235
1236 /* .bank[1] = { */
1237 {
1238 .present = 0,
1239 .probed = 0,
1240 .bank_number = 1,
1241 },
1242 },
1243 },
1244
1245 {
1246 .chipid_cidr = 0x29480560,
1247 .name = "at91sam3n1b",
1248 .total_flash_size = 64 * 1024,
1249 .total_sram_size = 8 * 1024,
1250 .n_gpnvms = 3,
1251 .n_banks = 1,
1252
1253 /* System boots at address 0x0 */
1254 /* gpnvm[1] = selects boot code */
1255 /* if gpnvm[1] == 0 */
1256 /* boot is via "SAMBA" (rom) */
1257 /* else */
1258 /* boot is via FLASH */
1259 /* Selection is via gpnvm[2] */
1260 /* endif */
1261 /* */
1262 /* NOTE: banks 0 & 1 switch places */
1263 /* if gpnvm[2] == 0 */
1264 /* Bank0 is the boot rom */
1265 /* else */
1266 /* Bank1 is the boot rom */
1267 /* endif */
1268 /* .bank[0] = { */
1269 {
1270 {
1271 .probed = 0,
1272 .pChip = NULL,
1273 .pBank = NULL,
1274 .bank_number = 0,
1275 .base_address = FLASH_BANK_BASE_N,
1276 .controller_address = 0x400e0A00,
1277 .flash_wait_states = 6, /* workaround silicon bug */
1278 .present = 1,
1279 .size_bytes = 64 * 1024,
1280 .nsectors = 4,
1281 .sector_size = 16384,
1282 .page_size = 256,
1283 },
1284
1285 /* .bank[1] = { */
1286 {
1287 .present = 0,
1288 .probed = 0,
1289 .bank_number = 1,
1290 },
1291 },
1292 },
1293
1294 {
1295 .chipid_cidr = 0x29380560,
1296 .name = "at91sam3n1a",
1297 .total_flash_size = 64 * 1024,
1298 .total_sram_size = 8 * 1024,
1299 .n_gpnvms = 3,
1300 .n_banks = 1,
1301
1302 /* System boots at address 0x0 */
1303 /* gpnvm[1] = selects boot code */
1304 /* if gpnvm[1] == 0 */
1305 /* boot is via "SAMBA" (rom) */
1306 /* else */
1307 /* boot is via FLASH */
1308 /* Selection is via gpnvm[2] */
1309 /* endif */
1310 /* */
1311 /* NOTE: banks 0 & 1 switch places */
1312 /* if gpnvm[2] == 0 */
1313 /* Bank0 is the boot rom */
1314 /* else */
1315 /* Bank1 is the boot rom */
1316 /* endif */
1317 /* .bank[0] = { */
1318 {
1319 {
1320 .probed = 0,
1321 .pChip = NULL,
1322 .pBank = NULL,
1323 .bank_number = 0,
1324 .base_address = FLASH_BANK_BASE_N,
1325 .controller_address = 0x400e0A00,
1326 .flash_wait_states = 6, /* workaround silicon bug */
1327 .present = 1,
1328 .size_bytes = 64 * 1024,
1329 .nsectors = 4,
1330 .sector_size = 16384,
1331 .page_size = 256,
1332 },
1333
1334 /* .bank[1] = { */
1335 {
1336 .present = 0,
1337 .probed = 0,
1338 .bank_number = 1,
1339 },
1340 },
1341 },
1342
1343 /* Start at91sam3a series*/
1344 /* System boots at address 0x0 */
1345 /* gpnvm[1] = selects boot code */
1346 /* if gpnvm[1] == 0 */
1347 /* boot is via "SAMBA" (rom) */
1348 /* else */
1349 /* boot is via FLASH */
1350 /* Selection is via gpnvm[2] */
1351 /* endif */
1352 /* */
1353 /* NOTE: banks 0 & 1 switch places */
1354 /* if gpnvm[2] == 0 */
1355 /* Bank0 is the boot rom */
1356 /* else */
1357 /* Bank1 is the boot rom */
1358 /* endif */
1359
1360 {
1361 .chipid_cidr = 0x283E0A60,
1362 .name = "at91sam3a8c",
1363 .total_flash_size = 512 * 1024,
1364 .total_sram_size = 96 * 1024,
1365 .n_gpnvms = 3,
1366 .n_banks = 2,
1367 {
1368 /* .bank[0] = { */
1369 {
1370 .probed = 0,
1371 .pChip = NULL,
1372 .pBank = NULL,
1373 .bank_number = 0,
1374 .base_address = FLASH_BANK0_BASE_AX,
1375 .controller_address = 0x400e0a00,
1376 .flash_wait_states = 6, /* workaround silicon bug */
1377 .present = 1,
1378 .size_bytes = 256 * 1024,
1379 .nsectors = 16,
1380 .sector_size = 16384,
1381 .page_size = 256,
1382 },
1383 /* .bank[1] = { */
1384 {
1385 .probed = 0,
1386 .pChip = NULL,
1387 .pBank = NULL,
1388 .bank_number = 1,
1389 .base_address = FLASH_BANK1_BASE_512K_AX,
1390 .controller_address = 0x400e0c00,
1391 .flash_wait_states = 6, /* workaround silicon bug */
1392 .present = 1,
1393 .size_bytes = 256 * 1024,
1394 .nsectors = 16,
1395 .sector_size = 16384,
1396 .page_size = 256,
1397
1398 },
1399 },
1400 },
1401 {
1402 .chipid_cidr = 0x283B0960,
1403 .name = "at91sam3a4c",
1404 .total_flash_size = 256 * 1024,
1405 .total_sram_size = 64 * 1024,
1406 .n_gpnvms = 3,
1407 .n_banks = 2,
1408 {
1409 /* .bank[0] = { */
1410 {
1411 .probed = 0,
1412 .pChip = NULL,
1413 .pBank = NULL,
1414 .bank_number = 0,
1415 .base_address = FLASH_BANK0_BASE_AX,
1416 .controller_address = 0x400e0a00,
1417 .flash_wait_states = 6, /* workaround silicon bug */
1418 .present = 1,
1419 .size_bytes = 128 * 1024,
1420 .nsectors = 8,
1421 .sector_size = 16384,
1422 .page_size = 256,
1423 },
1424 /* .bank[1] = { */
1425 {
1426 .probed = 0,
1427 .pChip = NULL,
1428 .pBank = NULL,
1429 .bank_number = 1,
1430 .base_address = FLASH_BANK1_BASE_256K_AX,
1431 .controller_address = 0x400e0c00,
1432 .flash_wait_states = 6, /* workaround silicon bug */
1433 .present = 1,
1434 .size_bytes = 128 * 1024,
1435 .nsectors = 8,
1436 .sector_size = 16384,
1437 .page_size = 256,
1438
1439 },
1440 },
1441 },
1442
1443 /* Start at91sam3x* series */
1444 /* System boots at address 0x0 */
1445 /* gpnvm[1] = selects boot code */
1446 /* if gpnvm[1] == 0 */
1447 /* boot is via "SAMBA" (rom) */
1448 /* else */
1449 /* boot is via FLASH */
1450 /* Selection is via gpnvm[2] */
1451 /* endif */
1452 /* */
1453 /* NOTE: banks 0 & 1 switch places */
1454 /* if gpnvm[2] == 0 */
1455 /* Bank0 is the boot rom */
1456 /* else */
1457 /* Bank1 is the boot rom */
1458 /* endif */
1459 /*at91sam3x8h - ES has an incorrect CIDR of 0x286E0A20*/
1460 {
1461 .chipid_cidr = 0x286E0A20,
1462 .name = "at91sam3x8h - ES",
1463 .total_flash_size = 512 * 1024,
1464 .total_sram_size = 96 * 1024,
1465 .n_gpnvms = 3,
1466 .n_banks = 2,
1467 {
1468 /* .bank[0] = { */
1469 {
1470 .probed = 0,
1471 .pChip = NULL,
1472 .pBank = NULL,
1473 .bank_number = 0,
1474 .base_address = FLASH_BANK0_BASE_AX,
1475 .controller_address = 0x400e0a00,
1476 .flash_wait_states = 6, /* workaround silicon bug */
1477 .present = 1,
1478 .size_bytes = 256 * 1024,
1479 .nsectors = 16,
1480 .sector_size = 16384,
1481 .page_size = 256,
1482 },
1483 /* .bank[1] = { */
1484 {
1485 .probed = 0,
1486 .pChip = NULL,
1487 .pBank = NULL,
1488 .bank_number = 1,
1489 .base_address = FLASH_BANK1_BASE_512K_AX,
1490 .controller_address = 0x400e0c00,
1491 .flash_wait_states = 6, /* workaround silicon bug */
1492 .present = 1,
1493 .size_bytes = 256 * 1024,
1494 .nsectors = 16,
1495 .sector_size = 16384,
1496 .page_size = 256,
1497
1498 },
1499 },
1500 },
1501 /*at91sam3x8h - ES2 and up uses the correct CIDR of 0x286E0A60*/
1502 {
1503 .chipid_cidr = 0x286E0A60,
1504 .name = "at91sam3x8h",
1505 .total_flash_size = 512 * 1024,
1506 .total_sram_size = 96 * 1024,
1507 .n_gpnvms = 3,
1508 .n_banks = 2,
1509 {
1510 /* .bank[0] = { */
1511 {
1512 .probed = 0,
1513 .pChip = NULL,
1514 .pBank = NULL,
1515 .bank_number = 0,
1516 .base_address = FLASH_BANK0_BASE_AX,
1517 .controller_address = 0x400e0a00,
1518 .flash_wait_states = 6, /* workaround silicon bug */
1519 .present = 1,
1520 .size_bytes = 256 * 1024,
1521 .nsectors = 16,
1522 .sector_size = 16384,
1523 .page_size = 256,
1524 },
1525 /* .bank[1] = { */
1526 {
1527 .probed = 0,
1528 .pChip = NULL,
1529 .pBank = NULL,
1530 .bank_number = 1,
1531 .base_address = FLASH_BANK1_BASE_512K_AX,
1532 .controller_address = 0x400e0c00,
1533 .flash_wait_states = 6, /* workaround silicon bug */
1534 .present = 1,
1535 .size_bytes = 256 * 1024,
1536 .nsectors = 16,
1537 .sector_size = 16384,
1538 .page_size = 256,
1539
1540 },
1541 },
1542 },
1543 {
1544 .chipid_cidr = 0x285E0A60,
1545 .name = "at91sam3x8e",
1546 .total_flash_size = 512 * 1024,
1547 .total_sram_size = 96 * 1024,
1548 .n_gpnvms = 3,
1549 .n_banks = 2,
1550 {
1551 /* .bank[0] = { */
1552 {
1553 .probed = 0,
1554 .pChip = NULL,
1555 .pBank = NULL,
1556 .bank_number = 0,
1557 .base_address = FLASH_BANK0_BASE_AX,
1558 .controller_address = 0x400e0a00,
1559 .flash_wait_states = 6, /* workaround silicon bug */
1560 .present = 1,
1561 .size_bytes = 256 * 1024,
1562 .nsectors = 16,
1563 .sector_size = 16384,
1564 .page_size = 256,
1565 },
1566 /* .bank[1] = { */
1567 {
1568 .probed = 0,
1569 .pChip = NULL,
1570 .pBank = NULL,
1571 .bank_number = 1,
1572 .base_address = FLASH_BANK1_BASE_512K_AX,
1573 .controller_address = 0x400e0c00,
1574 .flash_wait_states = 6, /* workaround silicon bug */
1575 .present = 1,
1576 .size_bytes = 256 * 1024,
1577 .nsectors = 16,
1578 .sector_size = 16384,
1579 .page_size = 256,
1580
1581 },
1582 },
1583 },
1584 {
1585 .chipid_cidr = 0x284E0A60,
1586 .name = "at91sam3x8c",
1587 .total_flash_size = 512 * 1024,
1588 .total_sram_size = 96 * 1024,
1589 .n_gpnvms = 3,
1590 .n_banks = 2,
1591 {
1592 /* .bank[0] = { */
1593 {
1594 .probed = 0,
1595 .pChip = NULL,
1596 .pBank = NULL,
1597 .bank_number = 0,
1598 .base_address = FLASH_BANK0_BASE_AX,
1599 .controller_address = 0x400e0a00,
1600 .flash_wait_states = 6, /* workaround silicon bug */
1601 .present = 1,
1602 .size_bytes = 256 * 1024,
1603 .nsectors = 16,
1604 .sector_size = 16384,
1605 .page_size = 256,
1606 },
1607 /* .bank[1] = { */
1608 {
1609 .probed = 0,
1610 .pChip = NULL,
1611 .pBank = NULL,
1612 .bank_number = 1,
1613 .base_address = FLASH_BANK1_BASE_512K_AX ,
1614 .controller_address = 0x400e0c00,
1615 .flash_wait_states = 6, /* workaround silicon bug */
1616 .present = 1,
1617 .size_bytes = 256 * 1024,
1618 .nsectors = 16,
1619 .sector_size = 16384,
1620 .page_size = 256,
1621
1622 },
1623 },
1624 },
1625 {
1626 .chipid_cidr = 0x285B0960,
1627 .name = "at91sam3x4e",
1628 .total_flash_size = 256 * 1024,
1629 .total_sram_size = 64 * 1024,
1630 .n_gpnvms = 3,
1631 .n_banks = 2,
1632 {
1633 /* .bank[0] = { */
1634 {
1635 .probed = 0,
1636 .pChip = NULL,
1637 .pBank = NULL,
1638 .bank_number = 0,
1639 .base_address = FLASH_BANK0_BASE_AX,
1640 .controller_address = 0x400e0a00,
1641 .flash_wait_states = 6, /* workaround silicon bug */
1642 .present = 1,
1643 .size_bytes = 128 * 1024,
1644 .nsectors = 8,
1645 .sector_size = 16384,
1646 .page_size = 256,
1647 },
1648 /* .bank[1] = { */
1649 {
1650 .probed = 0,
1651 .pChip = NULL,
1652 .pBank = NULL,
1653 .bank_number = 1,
1654 .base_address = FLASH_BANK1_BASE_256K_AX,
1655 .controller_address = 0x400e0c00,
1656 .flash_wait_states = 6, /* workaround silicon bug */
1657 .present = 1,
1658 .size_bytes = 128 * 1024,
1659 .nsectors = 8,
1660 .sector_size = 16384,
1661 .page_size = 256,
1662
1663 },
1664 },
1665 },
1666 {
1667 .chipid_cidr = 0x284B0960,
1668 .name = "at91sam3x4c",
1669 .total_flash_size = 256 * 1024,
1670 .total_sram_size = 64 * 1024,
1671 .n_gpnvms = 3,
1672 .n_banks = 2,
1673 {
1674 /* .bank[0] = { */
1675 {
1676 .probed = 0,
1677 .pChip = NULL,
1678 .pBank = NULL,
1679 .bank_number = 0,
1680 .base_address = FLASH_BANK0_BASE_AX,
1681 .controller_address = 0x400e0a00,
1682 .flash_wait_states = 6, /* workaround silicon bug */
1683 .present = 1,
1684 .size_bytes = 128 * 1024,
1685 .nsectors = 8,
1686 .sector_size = 16384,
1687 .page_size = 256,
1688 },
1689 /* .bank[1] = { */
1690 {
1691 .probed = 0,
1692 .pChip = NULL,
1693 .pBank = NULL,
1694 .bank_number = 1,
1695 .base_address = FLASH_BANK1_BASE_256K_AX,
1696 .controller_address = 0x400e0c00,
1697 .flash_wait_states = 6, /* workaround silicon bug */
1698 .present = 1,
1699 .size_bytes = 128 * 1024,
1700 .nsectors = 8,
1701 .sector_size = 16384,
1702 .page_size = 256,
1703
1704 },
1705 },
1706 },
1707 /* terminate */
1708 {
1709 .chipid_cidr = 0,
1710 .name = NULL,
1711 }
1712 };
1713
1714 /* Globals above */
1715 /***********************************************************************
1716 **********************************************************************
1717 **********************************************************************
1718 **********************************************************************
1719 **********************************************************************
1720 **********************************************************************/
1721 /* *ATMEL* style code - from the SAM3 driver code */
1722
1723 /**
1724 * Get the current status of the EEFC and
1725 * the value of some status bits (LOCKE, PROGE).
1726 * @param pPrivate - info about the bank
1727 * @param v - result goes here
1728 */
1729 static int EFC_GetStatus(struct sam3_bank_private *pPrivate, uint32_t *v)
1730 {
1731 int r;
1732 r = target_read_u32(pPrivate->pChip->target,
1733 pPrivate->controller_address + offset_EFC_FSR,
1734 v);
1735 LOG_DEBUG("Status: 0x%08x (lockerror: %d, cmderror: %d, ready: %d)",
1736 (unsigned int)(*v),
1737 ((unsigned int)((*v >> 2) & 1)),
1738 ((unsigned int)((*v >> 1) & 1)),
1739 ((unsigned int)((*v >> 0) & 1)));
1740
1741 return r;
1742 }
1743
1744 /**
1745 * Get the result of the last executed command.
1746 * @param pPrivate - info about the bank
1747 * @param v - result goes here
1748 */
1749 static int EFC_GetResult(struct sam3_bank_private *pPrivate, uint32_t *v)
1750 {
1751 int r;
1752 uint32_t rv;
1753 r = target_read_u32(pPrivate->pChip->target,
1754 pPrivate->controller_address + offset_EFC_FRR,
1755 &rv);
1756 if (v)
1757 *v = rv;
1758 LOG_DEBUG("Result: 0x%08x", ((unsigned int)(rv)));
1759 return r;
1760 }
1761
1762 static int EFC_StartCommand(struct sam3_bank_private *pPrivate,
1763 unsigned command, unsigned argument)
1764 {
1765 uint32_t n, v;
1766 int r;
1767 int retry;
1768
1769 retry = 0;
1770 do_retry:
1771
1772 /* Check command & argument */
1773 switch (command) {
1774
1775 case AT91C_EFC_FCMD_WP:
1776 case AT91C_EFC_FCMD_WPL:
1777 case AT91C_EFC_FCMD_EWP:
1778 case AT91C_EFC_FCMD_EWPL:
1779 /* case AT91C_EFC_FCMD_EPL: */
1780 /* case AT91C_EFC_FCMD_EPA: */
1781 case AT91C_EFC_FCMD_SLB:
1782 case AT91C_EFC_FCMD_CLB:
1783 n = (pPrivate->size_bytes / pPrivate->page_size);
1784 if (argument >= n)
1785 LOG_ERROR("*BUG*: Embedded flash has only %u pages", (unsigned)(n));
1786 break;
1787
1788 case AT91C_EFC_FCMD_SFB:
1789 case AT91C_EFC_FCMD_CFB:
1790 if (argument >= pPrivate->pChip->details.n_gpnvms) {
1791 LOG_ERROR("*BUG*: Embedded flash has only %d GPNVMs",
1792 pPrivate->pChip->details.n_gpnvms);
1793 }
1794 break;
1795
1796 case AT91C_EFC_FCMD_GETD:
1797 case AT91C_EFC_FCMD_EA:
1798 case AT91C_EFC_FCMD_GLB:
1799 case AT91C_EFC_FCMD_GFB:
1800 case AT91C_EFC_FCMD_STUI:
1801 case AT91C_EFC_FCMD_SPUI:
1802 if (argument != 0)
1803 LOG_ERROR("Argument is meaningless for cmd: %d", command);
1804 break;
1805 default:
1806 LOG_ERROR("Unknown command %d", command);
1807 break;
1808 }
1809
1810 if (command == AT91C_EFC_FCMD_SPUI) {
1811 /* this is a very special situation. */
1812 /* Situation (1) - error/retry - see below */
1813 /* And we are being called recursively */
1814 /* Situation (2) - normal, finished reading unique id */
1815 } else {
1816 /* it should be "ready" */
1817 EFC_GetStatus(pPrivate, &v);
1818 if (v & 1) {
1819 /* then it is ready */
1820 /* we go on */
1821 } else {
1822 if (retry) {
1823 /* we have done this before */
1824 /* the controller is not responding. */
1825 LOG_ERROR("flash controller(%d) is not ready! Error",
1826 pPrivate->bank_number);
1827 return ERROR_FAIL;
1828 } else {
1829 retry++;
1830 LOG_ERROR("Flash controller(%d) is not ready, attempting reset",
1831 pPrivate->bank_number);
1832 /* we do that by issuing the *STOP* command */
1833 EFC_StartCommand(pPrivate, AT91C_EFC_FCMD_SPUI, 0);
1834 /* above is recursive, and further recursion is blocked by */
1835 /* if (command == AT91C_EFC_FCMD_SPUI) above */
1836 goto do_retry;
1837 }
1838 }
1839 }
1840
1841 v = (0x5A << 24) | (argument << 8) | command;
1842 LOG_DEBUG("Command: 0x%08x", ((unsigned int)(v)));
1843 r = target_write_u32(pPrivate->pBank->target,
1844 pPrivate->controller_address + offset_EFC_FCR, v);
1845 if (r != ERROR_OK)
1846 LOG_DEBUG("Error Write failed");
1847 return r;
1848 }
1849
1850 /**
1851 * Performs the given command and wait until its completion (or an error).
1852 * @param pPrivate - info about the bank
1853 * @param command - Command to perform.
1854 * @param argument - Optional command argument.
1855 * @param status - put command status bits here
1856 */
1857 static int EFC_PerformCommand(struct sam3_bank_private *pPrivate,
1858 unsigned command,
1859 unsigned argument,
1860 uint32_t *status)
1861 {
1862
1863 int r;
1864 uint32_t v;
1865 long long ms_now, ms_end;
1866
1867 /* default */
1868 if (status)
1869 *status = 0;
1870
1871 r = EFC_StartCommand(pPrivate, command, argument);
1872 if (r != ERROR_OK)
1873 return r;
1874
1875 ms_end = 500 + timeval_ms();
1876
1877 do {
1878 r = EFC_GetStatus(pPrivate, &v);
1879 if (r != ERROR_OK)
1880 return r;
1881 ms_now = timeval_ms();
1882 if (ms_now > ms_end) {
1883 /* error */
1884 LOG_ERROR("Command timeout");
1885 return ERROR_FAIL;
1886 }
1887 } while ((v & 1) == 0);
1888
1889 /* error bits.. */
1890 if (status)
1891 *status = (v & 0x6);
1892 return ERROR_OK;
1893
1894 }
1895
1896 /**
1897 * Read the unique ID.
1898 * @param pPrivate - info about the bank
1899 * The unique ID is stored in the 'pPrivate' structure.
1900 */
1901 static int FLASHD_ReadUniqueID(struct sam3_bank_private *pPrivate)
1902 {
1903 int r;
1904 uint32_t v;
1905 int x;
1906 /* assume 0 */
1907 pPrivate->pChip->cfg.unique_id[0] = 0;
1908 pPrivate->pChip->cfg.unique_id[1] = 0;
1909 pPrivate->pChip->cfg.unique_id[2] = 0;
1910 pPrivate->pChip->cfg.unique_id[3] = 0;
1911
1912 LOG_DEBUG("Begin");
1913 r = EFC_StartCommand(pPrivate, AT91C_EFC_FCMD_STUI, 0);
1914 if (r < 0)
1915 return r;
1916
1917 for (x = 0; x < 4; x++) {
1918 r = target_read_u32(pPrivate->pChip->target,
1919 pPrivate->pBank->base + (x * 4),
1920 &v);
1921 if (r < 0)
1922 return r;
1923 pPrivate->pChip->cfg.unique_id[x] = v;
1924 }
1925
1926 r = EFC_PerformCommand(pPrivate, AT91C_EFC_FCMD_SPUI, 0, NULL);
1927 LOG_DEBUG("End: R=%d, id = 0x%08x, 0x%08x, 0x%08x, 0x%08x",
1928 r,
1929 (unsigned int)(pPrivate->pChip->cfg.unique_id[0]),
1930 (unsigned int)(pPrivate->pChip->cfg.unique_id[1]),
1931 (unsigned int)(pPrivate->pChip->cfg.unique_id[2]),
1932 (unsigned int)(pPrivate->pChip->cfg.unique_id[3]));
1933 return r;
1934
1935 }
1936
1937 /**
1938 * Erases the entire flash.
1939 * @param pPrivate - the info about the bank.
1940 */
1941 static int FLASHD_EraseEntireBank(struct sam3_bank_private *pPrivate)
1942 {
1943 LOG_DEBUG("Here");
1944 return EFC_PerformCommand(pPrivate, AT91C_EFC_FCMD_EA, 0, NULL);
1945 }
1946
1947 /**
1948 * Gets current GPNVM state.
1949 * @param pPrivate - info about the bank.
1950 * @param gpnvm - GPNVM bit index.
1951 * @param puthere - result stored here.
1952 */
1953 /* ------------------------------------------------------------------------------ */
1954 static int FLASHD_GetGPNVM(struct sam3_bank_private *pPrivate, unsigned gpnvm, unsigned *puthere)
1955 {
1956 uint32_t v;
1957 int r;
1958
1959 LOG_DEBUG("Here");
1960 if (pPrivate->bank_number != 0) {
1961 LOG_ERROR("GPNVM only works with Bank0");
1962 return ERROR_FAIL;
1963 }
1964
1965 if (gpnvm >= pPrivate->pChip->details.n_gpnvms) {
1966 LOG_ERROR("Invalid GPNVM %d, max: %d, ignored",
1967 gpnvm, pPrivate->pChip->details.n_gpnvms);
1968 return ERROR_FAIL;
1969 }
1970
1971 /* Get GPNVMs status */
1972 r = EFC_PerformCommand(pPrivate, AT91C_EFC_FCMD_GFB, 0, NULL);
1973 if (r != ERROR_OK) {
1974 LOG_ERROR("Failed");
1975 return r;
1976 }
1977
1978 r = EFC_GetResult(pPrivate, &v);
1979
1980 if (puthere) {
1981 /* Check if GPNVM is set */
1982 /* get the bit and make it a 0/1 */
1983 *puthere = (v >> gpnvm) & 1;
1984 }
1985
1986 return r;
1987 }
1988
1989 /**
1990 * Clears the selected GPNVM bit.
1991 * @param pPrivate info about the bank
1992 * @param gpnvm GPNVM index.
1993 * @returns 0 if successful; otherwise returns an error code.
1994 */
1995 static int FLASHD_ClrGPNVM(struct sam3_bank_private *pPrivate, unsigned gpnvm)
1996 {
1997 int r;
1998 unsigned v;
1999
2000 LOG_DEBUG("Here");
2001 if (pPrivate->bank_number != 0) {
2002 LOG_ERROR("GPNVM only works with Bank0");
2003 return ERROR_FAIL;
2004 }
2005
2006 if (gpnvm >= pPrivate->pChip->details.n_gpnvms) {
2007 LOG_ERROR("Invalid GPNVM %d, max: %d, ignored",
2008 gpnvm, pPrivate->pChip->details.n_gpnvms);
2009 return ERROR_FAIL;
2010 }
2011
2012 r = FLASHD_GetGPNVM(pPrivate, gpnvm, &v);
2013 if (r != ERROR_OK) {
2014 LOG_DEBUG("Failed: %d", r);
2015 return r;
2016 }
2017 r = EFC_PerformCommand(pPrivate, AT91C_EFC_FCMD_CFB, gpnvm, NULL);
2018 LOG_DEBUG("End: %d", r);
2019 return r;
2020 }
2021
2022 /**
2023 * Sets the selected GPNVM bit.
2024 * @param pPrivate info about the bank
2025 * @param gpnvm GPNVM index.
2026 */
2027 static int FLASHD_SetGPNVM(struct sam3_bank_private *pPrivate, unsigned gpnvm)
2028 {
2029 int r;
2030 unsigned v;
2031
2032 if (pPrivate->bank_number != 0) {
2033 LOG_ERROR("GPNVM only works with Bank0");
2034 return ERROR_FAIL;
2035 }
2036
2037 if (gpnvm >= pPrivate->pChip->details.n_gpnvms) {
2038 LOG_ERROR("Invalid GPNVM %d, max: %d, ignored",
2039 gpnvm, pPrivate->pChip->details.n_gpnvms);
2040 return ERROR_FAIL;
2041 }
2042
2043 r = FLASHD_GetGPNVM(pPrivate, gpnvm, &v);
2044 if (r != ERROR_OK)
2045 return r;
2046 if (v) {
2047 /* already set */
2048 r = ERROR_OK;
2049 } else {
2050 /* set it */
2051 r = EFC_PerformCommand(pPrivate, AT91C_EFC_FCMD_SFB, gpnvm, NULL);
2052 }
2053 return r;
2054 }
2055
2056 /**
2057 * Returns a bit field (at most 64) of locked regions within a page.
2058 * @param pPrivate info about the bank
2059 * @param v where to store locked bits
2060 */
2061 static int FLASHD_GetLockBits(struct sam3_bank_private *pPrivate, uint32_t *v)
2062 {
2063 int r;
2064 LOG_DEBUG("Here");
2065 r = EFC_PerformCommand(pPrivate, AT91C_EFC_FCMD_GLB, 0, NULL);
2066 if (r == ERROR_OK)
2067 r = EFC_GetResult(pPrivate, v);
2068 LOG_DEBUG("End: %d", r);
2069 return r;
2070 }
2071
2072 /**
2073 * Unlocks all the regions in the given address range.
2074 * @param pPrivate info about the bank
2075 * @param start_sector first sector to unlock
2076 * @param end_sector last (inclusive) to unlock
2077 */
2078
2079 static int FLASHD_Unlock(struct sam3_bank_private *pPrivate,
2080 unsigned start_sector,
2081 unsigned end_sector)
2082 {
2083 int r;
2084 uint32_t status;
2085 uint32_t pg;
2086 uint32_t pages_per_sector;
2087
2088 pages_per_sector = pPrivate->sector_size / pPrivate->page_size;
2089
2090 /* Unlock all pages */
2091 while (start_sector <= end_sector) {
2092 pg = start_sector * pages_per_sector;
2093
2094 r = EFC_PerformCommand(pPrivate, AT91C_EFC_FCMD_CLB, pg, &status);
2095 if (r != ERROR_OK)
2096 return r;
2097 start_sector++;
2098 }
2099
2100 return ERROR_OK;
2101 }
2102
2103 /**
2104 * Locks regions
2105 * @param pPrivate - info about the bank
2106 * @param start_sector - first sector to lock
2107 * @param end_sector - last sector (inclusive) to lock
2108 */
2109 static int FLASHD_Lock(struct sam3_bank_private *pPrivate,
2110 unsigned start_sector,
2111 unsigned end_sector)
2112 {
2113 uint32_t status;
2114 uint32_t pg;
2115 uint32_t pages_per_sector;
2116 int r;
2117
2118 pages_per_sector = pPrivate->sector_size / pPrivate->page_size;
2119
2120 /* Lock all pages */
2121 while (start_sector <= end_sector) {
2122 pg = start_sector * pages_per_sector;
2123
2124 r = EFC_PerformCommand(pPrivate, AT91C_EFC_FCMD_SLB, pg, &status);
2125 if (r != ERROR_OK)
2126 return r;
2127 start_sector++;
2128 }
2129 return ERROR_OK;
2130 }
2131
2132 /****** END SAM3 CODE ********/
2133
2134 /* begin helpful debug code */
2135 /* print the fieldname, the field value, in dec & hex, and return field value */
2136 static uint32_t sam3_reg_fieldname(struct sam3_chip *pChip,
2137 const char *regname,
2138 uint32_t value,
2139 unsigned shift,
2140 unsigned width)
2141 {
2142 uint32_t v;
2143 int hwidth, dwidth;
2144
2145
2146 /* extract the field */
2147 v = value >> shift;
2148 v = v & ((1 << width)-1);
2149 if (width <= 16) {
2150 hwidth = 4;
2151 dwidth = 5;
2152 } else {
2153 hwidth = 8;
2154 dwidth = 12;
2155 }
2156
2157 /* show the basics */
2158 LOG_USER_N("\t%*s: %*d [0x%0*x] ",
2159 REG_NAME_WIDTH, regname,
2160 dwidth, v,
2161 hwidth, v);
2162 return v;
2163 }
2164
2165 static const char _unknown[] = "unknown";
2166 static const char *const eproc_names[] = {
2167 _unknown, /* 0 */
2168 "arm946es", /* 1 */
2169 "arm7tdmi", /* 2 */
2170 "cortex-m3", /* 3 */
2171 "arm920t", /* 4 */
2172 "arm926ejs", /* 5 */
2173 _unknown, /* 6 */
2174 _unknown, /* 7 */
2175 _unknown, /* 8 */
2176 _unknown, /* 9 */
2177 _unknown, /* 10 */
2178 _unknown, /* 11 */
2179 _unknown, /* 12 */
2180 _unknown, /* 13 */
2181 _unknown, /* 14 */
2182 _unknown, /* 15 */
2183 };
2184
2185 #define nvpsize2 nvpsize /* these two tables are identical */
2186 static const char *const nvpsize[] = {
2187 "none", /* 0 */
2188 "8K bytes", /* 1 */
2189 "16K bytes", /* 2 */
2190 "32K bytes", /* 3 */
2191 _unknown, /* 4 */
2192 "64K bytes", /* 5 */
2193 _unknown, /* 6 */
2194 "128K bytes", /* 7 */
2195 _unknown, /* 8 */
2196 "256K bytes", /* 9 */
2197 "512K bytes", /* 10 */
2198 _unknown, /* 11 */
2199 "1024K bytes", /* 12 */
2200 _unknown, /* 13 */
2201 "2048K bytes", /* 14 */
2202 _unknown, /* 15 */
2203 };
2204
2205 static const char *const sramsize[] = {
2206 "48K Bytes", /* 0 */
2207 "1K Bytes", /* 1 */
2208 "2K Bytes", /* 2 */
2209 "6K Bytes", /* 3 */
2210 "112K Bytes", /* 4 */
2211 "4K Bytes", /* 5 */
2212 "80K Bytes", /* 6 */
2213 "160K Bytes", /* 7 */
2214 "8K Bytes", /* 8 */
2215 "16K Bytes", /* 9 */
2216 "32K Bytes", /* 10 */
2217 "64K Bytes", /* 11 */
2218 "128K Bytes", /* 12 */
2219 "256K Bytes", /* 13 */
2220 "96K Bytes", /* 14 */
2221 "512K Bytes", /* 15 */
2222
2223 };
2224
2225 static const struct archnames { unsigned value; const char *name; } archnames[] = {
2226 { 0x19, "AT91SAM9xx Series" },
2227 { 0x29, "AT91SAM9XExx Series" },
2228 { 0x34, "AT91x34 Series" },
2229 { 0x37, "CAP7 Series" },
2230 { 0x39, "CAP9 Series" },
2231 { 0x3B, "CAP11 Series" },
2232 { 0x40, "AT91x40 Series" },
2233 { 0x42, "AT91x42 Series" },
2234 { 0x55, "AT91x55 Series" },
2235 { 0x60, "AT91SAM7Axx Series" },
2236 { 0x61, "AT91SAM7AQxx Series" },
2237 { 0x63, "AT91x63 Series" },
2238 { 0x70, "AT91SAM7Sxx Series" },
2239 { 0x71, "AT91SAM7XCxx Series" },
2240 { 0x72, "AT91SAM7SExx Series" },
2241 { 0x73, "AT91SAM7Lxx Series" },
2242 { 0x75, "AT91SAM7Xxx Series" },
2243 { 0x76, "AT91SAM7SLxx Series" },
2244 { 0x80, "ATSAM3UxC Series (100-pin version)" },
2245 { 0x81, "ATSAM3UxE Series (144-pin version)" },
2246 { 0x83, "ATSAM3AxC Series (100-pin version)" },
2247 { 0x84, "ATSAM3XxC Series (100-pin version)" },
2248 { 0x85, "ATSAM3XxE Series (144-pin version)" },
2249 { 0x86, "ATSAM3XxG Series (208/217-pin version)" },
2250 { 0x88, "ATSAM3SxA Series (48-pin version)" },
2251 { 0x89, "ATSAM3SxB Series (64-pin version)" },
2252 { 0x8A, "ATSAM3SxC Series (100-pin version)" },
2253 { 0x92, "AT91x92 Series" },
2254 { 0x93, "ATSAM3NxA Series (48-pin version)" },
2255 { 0x94, "ATSAM3NxB Series (64-pin version)" },
2256 { 0x95, "ATSAM3NxC Series (100-pin version)" },
2257 { 0x98, "ATSAM3SDxA Series (48-pin version)" },
2258 { 0x99, "ATSAM3SDxB Series (64-pin version)" },
2259 { 0x9A, "ATSAM3SDxC Series (100-pin version)" },
2260 { 0xA5, "ATSAM5A" },
2261 { 0xF0, "AT75Cxx Series" },
2262 { -1, NULL },
2263 };
2264
2265 static const char *const nvptype[] = {
2266 "rom", /* 0 */
2267 "romless or onchip flash", /* 1 */
2268 "embedded flash memory",/* 2 */
2269 "rom(nvpsiz) + embedded flash (nvpsiz2)", /* 3 */
2270 "sram emulating flash", /* 4 */
2271 _unknown, /* 5 */
2272 _unknown, /* 6 */
2273 _unknown, /* 7 */
2274 };
2275
2276 static const char *_yes_or_no(uint32_t v)
2277 {
2278 if (v)
2279 return "YES";
2280 else
2281 return "NO";
2282 }
2283
2284 static const char *const _rc_freq[] = {
2285 "4 MHz", "8 MHz", "12 MHz", "reserved"
2286 };
2287
2288 static void sam3_explain_ckgr_mor(struct sam3_chip *pChip)
2289 {
2290 uint32_t v;
2291 uint32_t rcen;
2292
2293 v = sam3_reg_fieldname(pChip, "MOSCXTEN", pChip->cfg.CKGR_MOR, 0, 1);
2294 LOG_USER("(main xtal enabled: %s)", _yes_or_no(v));
2295 v = sam3_reg_fieldname(pChip, "MOSCXTBY", pChip->cfg.CKGR_MOR, 1, 1);
2296 LOG_USER("(main osc bypass: %s)", _yes_or_no(v));
2297 rcen = sam3_reg_fieldname(pChip, "MOSCRCEN", pChip->cfg.CKGR_MOR, 3, 1);
2298 LOG_USER("(onchip RC-OSC enabled: %s)", _yes_or_no(rcen));
2299 v = sam3_reg_fieldname(pChip, "MOSCRCF", pChip->cfg.CKGR_MOR, 4, 3);
2300 LOG_USER("(onchip RC-OSC freq: %s)", _rc_freq[v]);
2301
2302 pChip->cfg.rc_freq = 0;
2303 if (rcen) {
2304 switch (v) {
2305 default:
2306 pChip->cfg.rc_freq = 0;
2307 break;
2308 case 0:
2309 pChip->cfg.rc_freq = 4 * 1000 * 1000;
2310 break;
2311 case 1:
2312 pChip->cfg.rc_freq = 8 * 1000 * 1000;
2313 break;
2314 case 2:
2315 pChip->cfg.rc_freq = 12 * 1000 * 1000;
2316 break;
2317 }
2318 }
2319
2320 v = sam3_reg_fieldname(pChip, "MOSCXTST", pChip->cfg.CKGR_MOR, 8, 8);
2321 LOG_USER("(startup clks, time= %f uSecs)",
2322 ((float)(v * 1000000)) / ((float)(pChip->cfg.slow_freq)));
2323 v = sam3_reg_fieldname(pChip, "MOSCSEL", pChip->cfg.CKGR_MOR, 24, 1);
2324 LOG_USER("(mainosc source: %s)",
2325 v ? "external xtal" : "internal RC");
2326
2327 v = sam3_reg_fieldname(pChip, "CFDEN", pChip->cfg.CKGR_MOR, 25, 1);
2328 LOG_USER("(clock failure enabled: %s)",
2329 _yes_or_no(v));
2330 }
2331
2332 static void sam3_explain_chipid_cidr(struct sam3_chip *pChip)
2333 {
2334 int x;
2335 uint32_t v;
2336 const char *cp;
2337
2338 sam3_reg_fieldname(pChip, "Version", pChip->cfg.CHIPID_CIDR, 0, 5);
2339 LOG_USER_N("\n");
2340
2341 v = sam3_reg_fieldname(pChip, "EPROC", pChip->cfg.CHIPID_CIDR, 5, 3);
2342 LOG_USER("%s", eproc_names[v]);
2343
2344 v = sam3_reg_fieldname(pChip, "NVPSIZE", pChip->cfg.CHIPID_CIDR, 8, 4);
2345 LOG_USER("%s", nvpsize[v]);
2346
2347 v = sam3_reg_fieldname(pChip, "NVPSIZE2", pChip->cfg.CHIPID_CIDR, 12, 4);
2348 LOG_USER("%s", nvpsize2[v]);
2349
2350 v = sam3_reg_fieldname(pChip, "SRAMSIZE", pChip->cfg.CHIPID_CIDR, 16, 4);
2351 LOG_USER("%s", sramsize[v]);
2352
2353 v = sam3_reg_fieldname(pChip, "ARCH", pChip->cfg.CHIPID_CIDR, 20, 8);
2354 cp = _unknown;
2355 for (x = 0; archnames[x].name; x++) {
2356 if (v == archnames[x].value) {
2357 cp = archnames[x].name;
2358 break;
2359 }
2360 }
2361
2362 LOG_USER("%s", cp);
2363
2364 v = sam3_reg_fieldname(pChip, "NVPTYP", pChip->cfg.CHIPID_CIDR, 28, 3);
2365 LOG_USER("%s", nvptype[v]);
2366
2367 v = sam3_reg_fieldname(pChip, "EXTID", pChip->cfg.CHIPID_CIDR, 31, 1);
2368 LOG_USER("(exists: %s)", _yes_or_no(v));
2369 }
2370
2371 static void sam3_explain_ckgr_mcfr(struct sam3_chip *pChip)
2372 {
2373 uint32_t v;
2374
2375 v = sam3_reg_fieldname(pChip, "MAINFRDY", pChip->cfg.CKGR_MCFR, 16, 1);
2376 LOG_USER("(main ready: %s)", _yes_or_no(v));
2377
2378 v = sam3_reg_fieldname(pChip, "MAINF", pChip->cfg.CKGR_MCFR, 0, 16);
2379
2380 v = (v * pChip->cfg.slow_freq) / 16;
2381 pChip->cfg.mainosc_freq = v;
2382
2383 LOG_USER("(%3.03f Mhz (%d.%03dkhz slowclk)",
2384 _tomhz(v),
2385 pChip->cfg.slow_freq / 1000,
2386 pChip->cfg.slow_freq % 1000);
2387 }
2388
2389 static void sam3_explain_ckgr_plla(struct sam3_chip *pChip)
2390 {
2391 uint32_t mula, diva;
2392
2393 diva = sam3_reg_fieldname(pChip, "DIVA", pChip->cfg.CKGR_PLLAR, 0, 8);
2394 LOG_USER_N("\n");
2395 mula = sam3_reg_fieldname(pChip, "MULA", pChip->cfg.CKGR_PLLAR, 16, 11);
2396 LOG_USER_N("\n");
2397 pChip->cfg.plla_freq = 0;
2398 if (mula == 0)
2399 LOG_USER("\tPLLA Freq: (Disabled,mula = 0)");
2400 else if (diva == 0)
2401 LOG_USER("\tPLLA Freq: (Disabled,diva = 0)");
2402 else if (diva >= 1) {
2403 pChip->cfg.plla_freq = (pChip->cfg.mainosc_freq * (mula + 1) / diva);
2404 LOG_USER("\tPLLA Freq: %3.03f MHz",
2405 _tomhz(pChip->cfg.plla_freq));
2406 }
2407 }
2408
2409 static void sam3_explain_mckr(struct sam3_chip *pChip)
2410 {
2411 uint32_t css, pres, fin = 0;
2412 int pdiv = 0;
2413 const char *cp = NULL;
2414
2415 css = sam3_reg_fieldname(pChip, "CSS", pChip->cfg.PMC_MCKR, 0, 2);
2416 switch (css & 3) {
2417 case 0:
2418 fin = pChip->cfg.slow_freq;
2419 cp = "slowclk";
2420 break;
2421 case 1:
2422 fin = pChip->cfg.mainosc_freq;
2423 cp = "mainosc";
2424 break;
2425 case 2:
2426 fin = pChip->cfg.plla_freq;
2427 cp = "plla";
2428 break;
2429 case 3:
2430 if (pChip->cfg.CKGR_UCKR & (1 << 16)) {
2431 fin = 480 * 1000 * 1000;
2432 cp = "upll";
2433 } else {
2434 fin = 0;
2435 cp = "upll (*ERROR* UPLL is disabled)";
2436 }
2437 break;
2438 default:
2439 assert(0);
2440 break;
2441 }
2442
2443 LOG_USER("%s (%3.03f Mhz)",
2444 cp,
2445 _tomhz(fin));
2446 pres = sam3_reg_fieldname(pChip, "PRES", pChip->cfg.PMC_MCKR, 4, 3);
2447 switch (pres & 0x07) {
2448 case 0:
2449 pdiv = 1;
2450 cp = "selected clock";
2451 break;
2452 case 1:
2453 pdiv = 2;
2454 cp = "clock/2";
2455 break;
2456 case 2:
2457 pdiv = 4;
2458 cp = "clock/4";
2459 break;
2460 case 3:
2461 pdiv = 8;
2462 cp = "clock/8";
2463 break;
2464 case 4:
2465 pdiv = 16;
2466 cp = "clock/16";
2467 break;
2468 case 5:
2469 pdiv = 32;
2470 cp = "clock/32";
2471 break;
2472 case 6:
2473 pdiv = 64;
2474 cp = "clock/64";
2475 break;
2476 case 7:
2477 pdiv = 6;
2478 cp = "clock/6";
2479 break;
2480 default:
2481 assert(0);
2482 break;
2483 }
2484 LOG_USER("(%s)", cp);
2485 fin = fin / pdiv;
2486 /* sam3 has a *SINGLE* clock - */
2487 /* other at91 series parts have divisors for these. */
2488 pChip->cfg.cpu_freq = fin;
2489 pChip->cfg.mclk_freq = fin;
2490 pChip->cfg.fclk_freq = fin;
2491 LOG_USER("\t\tResult CPU Freq: %3.03f",
2492 _tomhz(fin));
2493 }
2494
2495 #if 0
2496 static struct sam3_chip *target2sam3(struct target *pTarget)
2497 {
2498 struct sam3_chip *pChip;
2499
2500 if (pTarget == NULL)
2501 return NULL;
2502
2503 pChip = all_sam3_chips;
2504 while (pChip) {
2505 if (pChip->target == pTarget)
2506 break; /* return below */
2507 else
2508 pChip = pChip->next;
2509 }
2510 return pChip;
2511 }
2512 #endif
2513
2514 static uint32_t *sam3_get_reg_ptr(struct sam3_cfg *pCfg, const struct sam3_reg_list *pList)
2515 {
2516 /* this function exists to help */
2517 /* keep funky offsetof() errors */
2518 /* and casting from causing bugs */
2519
2520 /* By using prototypes - we can detect what would */
2521 /* be casting errors. */
2522
2523 return (uint32_t *)(void *)(((char *)(pCfg)) + pList->struct_offset);
2524 }
2525
2526
2527 #define SAM3_ENTRY(NAME, FUNC) { .address = SAM3_ ## NAME, .struct_offset = offsetof( \
2528 struct sam3_cfg, \
2529 NAME), # NAME, FUNC }
2530 static const struct sam3_reg_list sam3_all_regs[] = {
2531 SAM3_ENTRY(CKGR_MOR, sam3_explain_ckgr_mor),
2532 SAM3_ENTRY(CKGR_MCFR, sam3_explain_ckgr_mcfr),
2533 SAM3_ENTRY(CKGR_PLLAR, sam3_explain_ckgr_plla),
2534 SAM3_ENTRY(CKGR_UCKR, NULL),
2535 SAM3_ENTRY(PMC_FSMR, NULL),
2536 SAM3_ENTRY(PMC_FSPR, NULL),
2537 SAM3_ENTRY(PMC_IMR, NULL),
2538 SAM3_ENTRY(PMC_MCKR, sam3_explain_mckr),
2539 SAM3_ENTRY(PMC_PCK0, NULL),
2540 SAM3_ENTRY(PMC_PCK1, NULL),
2541 SAM3_ENTRY(PMC_PCK2, NULL),
2542 SAM3_ENTRY(PMC_PCSR, NULL),
2543 SAM3_ENTRY(PMC_SCSR, NULL),
2544 SAM3_ENTRY(PMC_SR, NULL),
2545 SAM3_ENTRY(CHIPID_CIDR, sam3_explain_chipid_cidr),
2546 SAM3_ENTRY(CHIPID_CIDR2, sam3_explain_chipid_cidr),
2547 SAM3_ENTRY(CHIPID_EXID, NULL),
2548 SAM3_ENTRY(CHIPID_EXID2, NULL),
2549 /* TERMINATE THE LIST */
2550 { .name = NULL }
2551 };
2552 #undef SAM3_ENTRY
2553
2554 static struct sam3_bank_private *get_sam3_bank_private(struct flash_bank *bank)
2555 {
2556 return (struct sam3_bank_private *)(bank->driver_priv);
2557 }
2558
2559 /**
2560 * Given a pointer to where it goes in the structure,
2561 * determine the register name, address from the all registers table.
2562 */
2563 static const struct sam3_reg_list *sam3_GetReg(struct sam3_chip *pChip, uint32_t *goes_here)
2564 {
2565 const struct sam3_reg_list *pReg;
2566
2567 pReg = &(sam3_all_regs[0]);
2568 while (pReg->name) {
2569 uint32_t *pPossible;
2570
2571 /* calculate where this one go.. */
2572 /* it is "possibly" this register. */
2573
2574 pPossible = ((uint32_t *)(void *)(((char *)(&(pChip->cfg))) + pReg->struct_offset));
2575
2576 /* well? Is it this register */
2577 if (pPossible == goes_here) {
2578 /* Jump for joy! */
2579 return pReg;
2580 }
2581
2582 /* next... */
2583 pReg++;
2584 }
2585 /* This is *TOTAL*PANIC* - we are totally screwed. */
2586 LOG_ERROR("INVALID SAM3 REGISTER");
2587 return NULL;
2588 }
2589
2590 static int sam3_ReadThisReg(struct sam3_chip *pChip, uint32_t *goes_here)
2591 {
2592 const struct sam3_reg_list *pReg;
2593 int r;
2594
2595 pReg = sam3_GetReg(pChip, goes_here);
2596 if (!pReg)
2597 return ERROR_FAIL;
2598
2599 r = target_read_u32(pChip->target, pReg->address, goes_here);
2600 if (r != ERROR_OK) {
2601 LOG_ERROR("Cannot read SAM3 register: %s @ 0x%08x, Err: %d",
2602 pReg->name, (unsigned)(pReg->address), r);
2603 }
2604 return r;
2605 }
2606
2607 static int sam3_ReadAllRegs(struct sam3_chip *pChip)
2608 {
2609 int r;
2610 const struct sam3_reg_list *pReg;
2611
2612 pReg = &(sam3_all_regs[0]);
2613 while (pReg->name) {
2614 r = sam3_ReadThisReg(pChip,
2615 sam3_get_reg_ptr(&(pChip->cfg), pReg));
2616 if (r != ERROR_OK) {
2617 LOG_ERROR("Cannot read SAM3 register: %s @ 0x%08x, Error: %d",
2618 pReg->name, ((unsigned)(pReg->address)), r);
2619 return r;
2620 }
2621 pReg++;
2622 }
2623
2624 /* Chip identification register
2625 *
2626 * Unfortunately, the chip identification register is not at
2627 * a constant address across all of the SAM3 series'. As a
2628 * consequence, a simple heuristic is used to find where it's
2629 * at...
2630 *
2631 * If the contents at the first address is zero, then we know
2632 * that the second address is where the chip id register is.
2633 * We can deduce this because for those SAM's that have the
2634 * chip id @ 0x400e0940, the first address, 0x400e0740, is
2635 * located in the memory map of the Power Management Controller
2636 * (PMC). Furthermore, the address is not used by the PMC.
2637 * So when read, the memory controller returns zero.*/
2638 if (pChip->cfg.CHIPID_CIDR == 0) {
2639 /*Put the correct CIDR and EXID values in the pChip structure */
2640 pChip->cfg.CHIPID_CIDR = pChip->cfg.CHIPID_CIDR2;
2641 pChip->cfg.CHIPID_EXID = pChip->cfg.CHIPID_EXID2;
2642 }
2643 return ERROR_OK;
2644 }
2645
2646 static int sam3_GetInfo(struct sam3_chip *pChip)
2647 {
2648 const struct sam3_reg_list *pReg;
2649 uint32_t regval;
2650
2651 pReg = &(sam3_all_regs[0]);
2652 while (pReg->name) {
2653 /* display all regs */
2654 LOG_DEBUG("Start: %s", pReg->name);
2655 regval = *sam3_get_reg_ptr(&(pChip->cfg), pReg);
2656 LOG_USER("%*s: [0x%08x] -> 0x%08x",
2657 REG_NAME_WIDTH,
2658 pReg->name,
2659 pReg->address,
2660 regval);
2661 if (pReg->explain_func)
2662 (*(pReg->explain_func))(pChip);
2663 LOG_DEBUG("End: %s", pReg->name);
2664 pReg++;
2665 }
2666 LOG_USER(" rc-osc: %3.03f MHz", _tomhz(pChip->cfg.rc_freq));
2667 LOG_USER(" mainosc: %3.03f MHz", _tomhz(pChip->cfg.mainosc_freq));
2668 LOG_USER(" plla: %3.03f MHz", _tomhz(pChip->cfg.plla_freq));
2669 LOG_USER(" cpu-freq: %3.03f MHz", _tomhz(pChip->cfg.cpu_freq));
2670 LOG_USER("mclk-freq: %3.03f MHz", _tomhz(pChip->cfg.mclk_freq));
2671
2672 LOG_USER(" UniqueId: 0x%08x 0x%08x 0x%08x 0x%08x",
2673 pChip->cfg.unique_id[0],
2674 pChip->cfg.unique_id[1],
2675 pChip->cfg.unique_id[2],
2676 pChip->cfg.unique_id[3]);
2677
2678 return ERROR_OK;
2679 }
2680
2681 static int sam3_erase_check(struct flash_bank *bank)
2682 {
2683 int x;
2684
2685 LOG_DEBUG("Here");
2686 if (bank->target->state != TARGET_HALTED) {
2687 LOG_ERROR("Target not halted");
2688 return ERROR_TARGET_NOT_HALTED;
2689 }
2690 if (0 == bank->num_sectors) {
2691 LOG_ERROR("Target: not supported/not probed");
2692 return ERROR_FAIL;
2693 }
2694
2695 LOG_INFO("sam3 - supports auto-erase, erase_check ignored");
2696 for (x = 0; x < bank->num_sectors; x++)
2697 bank->sectors[x].is_erased = 1;
2698
2699 LOG_DEBUG("Done");
2700 return ERROR_OK;
2701 }
2702
2703 static int sam3_protect_check(struct flash_bank *bank)
2704 {
2705 int r;
2706 uint32_t v = 0;
2707 unsigned x;
2708 struct sam3_bank_private *pPrivate;
2709
2710 LOG_DEBUG("Begin");
2711 if (bank->target->state != TARGET_HALTED) {
2712 LOG_ERROR("Target not halted");
2713 return ERROR_TARGET_NOT_HALTED;
2714 }
2715
2716 pPrivate = get_sam3_bank_private(bank);
2717 if (!pPrivate) {
2718 LOG_ERROR("no private for this bank?");
2719 return ERROR_FAIL;
2720 }
2721 if (!(pPrivate->probed))
2722 return ERROR_FLASH_BANK_NOT_PROBED;
2723
2724 r = FLASHD_GetLockBits(pPrivate, &v);
2725 if (r != ERROR_OK) {
2726 LOG_DEBUG("Failed: %d", r);
2727 return r;
2728 }
2729
2730 for (x = 0; x < pPrivate->nsectors; x++)
2731 bank->sectors[x].is_protected = (!!(v & (1 << x)));
2732 LOG_DEBUG("Done");
2733 return ERROR_OK;
2734 }
2735
2736 FLASH_BANK_COMMAND_HANDLER(sam3_flash_bank_command)
2737 {
2738 struct sam3_chip *pChip;
2739
2740 pChip = all_sam3_chips;
2741
2742 /* is this an existing chip? */
2743 while (pChip) {
2744 if (pChip->target == bank->target)
2745 break;
2746 pChip = pChip->next;
2747 }
2748
2749 if (!pChip) {
2750 /* this is a *NEW* chip */
2751 pChip = calloc(1, sizeof(struct sam3_chip));
2752 if (!pChip) {
2753 LOG_ERROR("NO RAM!");
2754 return ERROR_FAIL;
2755 }
2756 pChip->target = bank->target;
2757 /* insert at head */
2758 pChip->next = all_sam3_chips;
2759 all_sam3_chips = pChip;
2760 pChip->target = bank->target;
2761 /* assumption is this runs at 32khz */
2762 pChip->cfg.slow_freq = 32768;
2763 pChip->probed = 0;
2764 }
2765
2766 switch (bank->base) {
2767 default:
2768 LOG_ERROR("Address 0x%08x invalid bank address (try 0x%08x or 0x%08x "
2769 "[at91sam3u series] or 0x%08x [at91sam3s series] or "
2770 "0x%08x [at91sam3n series] or 0x%08x or 0x%08x or 0x%08x[at91sam3ax series] )",
2771 ((unsigned int)(bank->base)),
2772 ((unsigned int)(FLASH_BANK0_BASE_U)),
2773 ((unsigned int)(FLASH_BANK1_BASE_U)),
2774 ((unsigned int)(FLASH_BANK_BASE_S)),
2775 ((unsigned int)(FLASH_BANK_BASE_N)),
2776 ((unsigned int)(FLASH_BANK0_BASE_AX)),
2777 ((unsigned int)(FLASH_BANK1_BASE_256K_AX)),
2778 ((unsigned int)(FLASH_BANK1_BASE_512K_AX)));
2779 return ERROR_FAIL;
2780 break;
2781
2782 /* at91sam3s and at91sam3n series only has bank 0*/
2783 /* at91sam3u and at91sam3ax series has the same address for bank 0*/
2784 case FLASH_BANK_BASE_S:
2785 case FLASH_BANK0_BASE_U:
2786 bank->driver_priv = &(pChip->details.bank[0]);
2787 bank->bank_number = 0;
2788 pChip->details.bank[0].pChip = pChip;
2789 pChip->details.bank[0].pBank = bank;
2790 break;
2791
2792 /* Bank 1 of at91sam3u or at91sam3ax series */
2793 case FLASH_BANK1_BASE_U:
2794 case FLASH_BANK1_BASE_256K_AX:
2795 case FLASH_BANK1_BASE_512K_AX:
2796 bank->driver_priv = &(pChip->details.bank[1]);
2797 bank->bank_number = 1;
2798 pChip->details.bank[1].pChip = pChip;
2799 pChip->details.bank[1].pBank = bank;
2800 break;
2801 }
2802
2803 /* we initialize after probing. */
2804 return ERROR_OK;
2805 }
2806
2807 static int sam3_GetDetails(struct sam3_bank_private *pPrivate)
2808 {
2809 const struct sam3_chip_details *pDetails;
2810 struct sam3_chip *pChip;
2811 struct flash_bank *saved_banks[SAM3_MAX_FLASH_BANKS];
2812 unsigned x;
2813
2814 LOG_DEBUG("Begin");
2815 pDetails = all_sam3_details;
2816 while (pDetails->name) {
2817 /* Compare cidr without version bits */
2818 if (pDetails->chipid_cidr == (pPrivate->pChip->cfg.CHIPID_CIDR & 0xFFFFFFE0))
2819 break;
2820 else
2821 pDetails++;
2822 }
2823 if (pDetails->name == NULL) {
2824 LOG_ERROR("SAM3 ChipID 0x%08x not found in table (perhaps you can ID this chip?)",
2825 (unsigned int)(pPrivate->pChip->cfg.CHIPID_CIDR));
2826 /* Help the victim, print details about the chip */
2827 LOG_INFO("SAM3 CHIPID_CIDR: 0x%08x decodes as follows",
2828 pPrivate->pChip->cfg.CHIPID_CIDR);
2829 sam3_explain_chipid_cidr(pPrivate->pChip);
2830 return ERROR_FAIL;
2831 }
2832
2833 /* DANGER: THERE ARE DRAGONS HERE */
2834
2835 /* get our pChip - it is going */
2836 /* to be over-written shortly */
2837 pChip = pPrivate->pChip;
2838
2839 /* Note that, in reality: */
2840 /* */
2841 /* pPrivate = &(pChip->details.bank[0]) */
2842 /* or pPrivate = &(pChip->details.bank[1]) */
2843 /* */
2844
2845 /* save the "bank" pointers */
2846 for (x = 0; x < SAM3_MAX_FLASH_BANKS; x++)
2847 saved_banks[x] = pChip->details.bank[x].pBank;
2848
2849 /* Overwrite the "details" structure. */
2850 memcpy(&(pPrivate->pChip->details),
2851 pDetails,
2852 sizeof(pPrivate->pChip->details));
2853
2854 /* now fix the ghosted pointers */
2855 for (x = 0; x < SAM3_MAX_FLASH_BANKS; x++) {
2856 pChip->details.bank[x].pChip = pChip;
2857 pChip->details.bank[x].pBank = saved_banks[x];
2858 }
2859
2860 /* update the *BANK*SIZE* */
2861
2862 LOG_DEBUG("End");
2863 return ERROR_OK;
2864 }
2865
2866 static int _sam3_probe(struct flash_bank *bank, int noise)
2867 {
2868 unsigned x;
2869 int r;
2870 struct sam3_bank_private *pPrivate;
2871
2872
2873 LOG_DEBUG("Begin: Bank: %d, Noise: %d", bank->bank_number, noise);
2874 if (bank->target->state != TARGET_HALTED) {
2875 LOG_ERROR("Target not halted");
2876 return ERROR_TARGET_NOT_HALTED;
2877 }
2878
2879 pPrivate = get_sam3_bank_private(bank);
2880 if (!pPrivate) {
2881 LOG_ERROR("Invalid/unknown bank number");
2882 return ERROR_FAIL;
2883 }
2884
2885 r = sam3_ReadAllRegs(pPrivate->pChip);
2886 if (r != ERROR_OK)
2887 return r;
2888
2889 LOG_DEBUG("Here");
2890 if (pPrivate->pChip->probed)
2891 r = sam3_GetInfo(pPrivate->pChip);
2892 else
2893 r = sam3_GetDetails(pPrivate);
2894 if (r != ERROR_OK)
2895 return r;
2896
2897 /* update the flash bank size */
2898 for (x = 0; x < SAM3_MAX_FLASH_BANKS; x++) {
2899 if (bank->base == pPrivate->pChip->details.bank[x].base_address) {
2900 bank->size = pPrivate->pChip->details.bank[x].size_bytes;
2901 break;
2902 }
2903 }
2904
2905 if (bank->sectors == NULL) {
2906 bank->sectors = calloc(pPrivate->nsectors, (sizeof((bank->sectors)[0])));
2907 if (bank->sectors == NULL) {
2908 LOG_ERROR("No memory!");
2909 return ERROR_FAIL;
2910 }
2911 bank->num_sectors = pPrivate->nsectors;
2912
2913 for (x = 0; ((int)(x)) < bank->num_sectors; x++) {
2914 bank->sectors[x].size = pPrivate->sector_size;
2915 bank->sectors[x].offset = x * (pPrivate->sector_size);
2916 /* mark as unknown */
2917 bank->sectors[x].is_erased = -1;
2918 bank->sectors[x].is_protected = -1;
2919 }
2920 }
2921
2922 pPrivate->probed = 1;
2923
2924 r = sam3_protect_check(bank);
2925 if (r != ERROR_OK)
2926 return r;
2927
2928 LOG_DEBUG("Bank = %d, nbanks = %d",
2929 pPrivate->bank_number, pPrivate->pChip->details.n_banks);
2930 if ((pPrivate->bank_number + 1) == pPrivate->pChip->details.n_banks) {
2931 /* read unique id, */
2932 /* it appears to be associated with the *last* flash bank. */
2933 FLASHD_ReadUniqueID(pPrivate);
2934 }
2935
2936 return r;
2937 }
2938
2939 static int sam3_probe(struct flash_bank *bank)
2940 {
2941 return _sam3_probe(bank, 1);
2942 }
2943
2944 static int sam3_auto_probe(struct flash_bank *bank)
2945 {
2946 return _sam3_probe(bank, 0);
2947 }
2948
2949 static int sam3_erase(struct flash_bank *bank, int first, int last)
2950 {
2951 struct sam3_bank_private *pPrivate;
2952 int r;
2953
2954 LOG_DEBUG("Here");
2955 if (bank->target->state != TARGET_HALTED) {
2956 LOG_ERROR("Target not halted");
2957 return ERROR_TARGET_NOT_HALTED;
2958 }
2959
2960 r = sam3_auto_probe(bank);
2961 if (r != ERROR_OK) {
2962 LOG_DEBUG("Here,r=%d", r);
2963 return r;
2964 }
2965
2966 pPrivate = get_sam3_bank_private(bank);
2967 if (!(pPrivate->probed))
2968 return ERROR_FLASH_BANK_NOT_PROBED;
2969
2970 if ((first == 0) && ((last + 1) == ((int)(pPrivate->nsectors)))) {
2971 /* whole chip */
2972 LOG_DEBUG("Here");
2973 return FLASHD_EraseEntireBank(pPrivate);
2974 }
2975 LOG_INFO("sam3 auto-erases while programming (request ignored)");
2976 return ERROR_OK;
2977 }
2978
2979 static int sam3_protect(struct flash_bank *bank, int set, int first, int last)
2980 {
2981 struct sam3_bank_private *pPrivate;
2982 int r;
2983
2984 LOG_DEBUG("Here");
2985 if (bank->target->state != TARGET_HALTED) {
2986 LOG_ERROR("Target not halted");
2987 return ERROR_TARGET_NOT_HALTED;
2988 }
2989
2990 pPrivate = get_sam3_bank_private(bank);
2991 if (!(pPrivate->probed))
2992 return ERROR_FLASH_BANK_NOT_PROBED;
2993
2994 if (set)
2995 r = FLASHD_Lock(pPrivate, (unsigned)(first), (unsigned)(last));
2996 else
2997 r = FLASHD_Unlock(pPrivate, (unsigned)(first), (unsigned)(last));
2998 LOG_DEBUG("End: r=%d", r);
2999
3000 return r;
3001
3002 }
3003
3004 static int sam3_info(struct flash_bank *bank, char *buf, int buf_size)
3005 {
3006 if (bank->target->state != TARGET_HALTED) {
3007 LOG_ERROR("Target not halted");
3008 return ERROR_TARGET_NOT_HALTED;
3009 }
3010 buf[0] = 0;
3011 return ERROR_OK;
3012 }
3013
3014 static int sam3_page_read(struct sam3_bank_private *pPrivate, unsigned pagenum, uint8_t *buf)
3015 {
3016 uint32_t adr;
3017 int r;
3018
3019 adr = pagenum * pPrivate->page_size;
3020 adr += pPrivate->base_address;
3021
3022 r = target_read_memory(pPrivate->pChip->target,
3023 adr,
3024 4, /* THIS*MUST*BE* in 32bit values */
3025 pPrivate->page_size / 4,
3026 buf);
3027 if (r != ERROR_OK)
3028 LOG_ERROR("SAM3: Flash program failed to read page phys address: 0x%08x",
3029 (unsigned int)(adr));
3030 return r;
3031 }
3032
3033 /* The code below is basically this: */
3034 /* compiled with */
3035 /* arm-none-eabi-gcc -mthumb -mcpu = cortex-m3 -O9 -S ./foobar.c -o foobar.s */
3036 /* */
3037 /* Only the *CPU* can write to the flash buffer. */
3038 /* the DAP cannot... so - we download this 28byte thing */
3039 /* Run the algorithm - (below) */
3040 /* to program the device */
3041 /* */
3042 /* ======================================== */
3043 /* #include <stdint.h> */
3044 /* */
3045 /* struct foo { */
3046 /* uint32_t *dst; */
3047 /* const uint32_t *src; */
3048 /* int n; */
3049 /* volatile uint32_t *base; */
3050 /* uint32_t cmd; */
3051 /* }; */
3052 /* */
3053 /* */
3054 /* uint32_t sam3_function(struct foo *p) */
3055 /* { */
3056 /* volatile uint32_t *v; */
3057 /* uint32_t *d; */
3058 /* const uint32_t *s; */
3059 /* int n; */
3060 /* uint32_t r; */
3061 /* */
3062 /* d = p->dst; */
3063 /* s = p->src; */
3064 /* n = p->n; */
3065 /* */
3066 /* do { */
3067 /* *d++ = *s++; */
3068 /* } while (--n) */
3069 /* ; */
3070 /* */
3071 /* v = p->base; */
3072 /* */
3073 /* v[ 1 ] = p->cmd; */
3074 /* do { */
3075 /* r = v[8/4]; */
3076 /* } while (!(r&1)) */
3077 /* ; */
3078 /* return r; */
3079 /* } */
3080 /* ======================================== */
3081
3082 static const uint8_t
3083 sam3_page_write_opcodes[] = {
3084 /* 24 0000 0446 mov r4, r0 */
3085 0x04, 0x46,
3086 /* 25 0002 6168 ldr r1, [r4, #4] */
3087 0x61, 0x68,
3088 /* 26 0004 0068 ldr r0, [r0, #0] */
3089 0x00, 0x68,
3090 /* 27 0006 A268 ldr r2, [r4, #8] */
3091 0xa2, 0x68,
3092 /* 28 @ lr needed for prologue */
3093 /* 29 .L2: */
3094 /* 30 0008 51F8043B ldr r3, [r1], #4 */
3095 0x51, 0xf8, 0x04, 0x3b,
3096 /* 31 000c 12F1FF32 adds r2, r2, #-1 */
3097 0x12, 0xf1, 0xff, 0x32,
3098 /* 32 0010 40F8043B str r3, [r0], #4 */
3099 0x40, 0xf8, 0x04, 0x3b,
3100 /* 33 0014 F8D1 bne .L2 */
3101 0xf8, 0xd1,
3102 /* 34 0016 E268 ldr r2, [r4, #12] */
3103 0xe2, 0x68,
3104 /* 35 0018 2369 ldr r3, [r4, #16] */
3105 0x23, 0x69,
3106 /* 36 001a 5360 str r3, [r2, #4] */
3107 0x53, 0x60,
3108 /* 37 001c 0832 adds r2, r2, #8 */
3109 0x08, 0x32,
3110 /* 38 .L4: */
3111 /* 39 001e 1068 ldr r0, [r2, #0] */
3112 0x10, 0x68,
3113 /* 40 0020 10F0010F tst r0, #1 */
3114 0x10, 0xf0, 0x01, 0x0f,
3115 /* 41 0024 FBD0 beq .L4 */
3116 0xfb, 0xd0,
3117 0x00, 0xBE /* bkpt #0 */
3118 };
3119
3120 static int sam3_page_write(struct sam3_bank_private *pPrivate, unsigned pagenum, uint8_t *buf)
3121 {
3122 uint32_t adr;
3123 uint32_t status;
3124 uint32_t fmr; /* EEFC Flash Mode Register */
3125 int r;
3126
3127 adr = pagenum * pPrivate->page_size;
3128 adr += pPrivate->base_address;
3129
3130 /* Get flash mode register value */
3131 r = target_read_u32(pPrivate->pChip->target, pPrivate->controller_address, &fmr);
3132 if (r != ERROR_OK)
3133 LOG_DEBUG("Error Read failed: read flash mode register");
3134
3135 /* Clear flash wait state field */
3136 fmr &= 0xfffff0ff;
3137
3138 /* set FWS (flash wait states) field in the FMR (flash mode register) */
3139 fmr |= (pPrivate->flash_wait_states << 8);
3140
3141 LOG_DEBUG("Flash Mode: 0x%08x", ((unsigned int)(fmr)));
3142 r = target_write_u32(pPrivate->pBank->target, pPrivate->controller_address, fmr);
3143 if (r != ERROR_OK)
3144 LOG_DEBUG("Error Write failed: set flash mode register");
3145
3146 LOG_DEBUG("Wr Page %u @ phys address: 0x%08x", pagenum, (unsigned int)(adr));
3147 r = target_write_memory(pPrivate->pChip->target,
3148 adr,
3149 4, /* THIS*MUST*BE* in 32bit values */
3150 pPrivate->page_size / 4,
3151 buf);
3152 if (r != ERROR_OK) {
3153 LOG_ERROR("SAM3: Failed to write (buffer) page at phys address 0x%08x",
3154 (unsigned int)(adr));
3155 return r;
3156 }
3157
3158 r = EFC_PerformCommand(pPrivate,
3159 /* send Erase & Write Page */
3160 AT91C_EFC_FCMD_EWP,
3161 pagenum,
3162 &status);
3163
3164 if (r != ERROR_OK)
3165 LOG_ERROR("SAM3: Error performing Erase & Write page @ phys address 0x%08x",
3166 (unsigned int)(adr));
3167 if (status & (1 << 2)) {
3168 LOG_ERROR("SAM3: Page @ Phys address 0x%08x is locked", (unsigned int)(adr));
3169 return ERROR_FAIL;
3170 }
3171 if (status & (1 << 1)) {
3172 LOG_ERROR("SAM3: Flash Command error @phys address 0x%08x", (unsigned int)(adr));
3173 return ERROR_FAIL;
3174 }
3175 return ERROR_OK;
3176 }
3177
3178 static int sam3_write(struct flash_bank *bank,
3179 uint8_t *buffer,
3180 uint32_t offset,
3181 uint32_t count)
3182 {
3183 int n;
3184 unsigned page_cur;
3185 unsigned page_end;
3186 int r;
3187 unsigned page_offset;
3188 struct sam3_bank_private *pPrivate;
3189 uint8_t *pagebuffer;
3190
3191 /* incase we bail further below, set this to null */
3192 pagebuffer = NULL;
3193
3194 /* ignore dumb requests */
3195 if (count == 0) {
3196 r = ERROR_OK;
3197 goto done;
3198 }
3199
3200 if (bank->target->state != TARGET_HALTED) {
3201 LOG_ERROR("Target not halted");
3202 r = ERROR_TARGET_NOT_HALTED;
3203 goto done;
3204 }
3205
3206 pPrivate = get_sam3_bank_private(bank);
3207 if (!(pPrivate->probed)) {
3208 r = ERROR_FLASH_BANK_NOT_PROBED;
3209 goto done;
3210 }
3211
3212 if ((offset + count) > pPrivate->size_bytes) {
3213 LOG_ERROR("Flash write error - past end of bank");
3214 LOG_ERROR(" offset: 0x%08x, count 0x%08x, BankEnd: 0x%08x",
3215 (unsigned int)(offset),
3216 (unsigned int)(count),
3217 (unsigned int)(pPrivate->size_bytes));
3218 r = ERROR_FAIL;
3219 goto done;
3220 }
3221
3222 pagebuffer = malloc(pPrivate->page_size);
3223 if (!pagebuffer) {
3224 LOG_ERROR("No memory for %d Byte page buffer", (int)(pPrivate->page_size));
3225 r = ERROR_FAIL;
3226 goto done;
3227 }
3228
3229 /* what page do we start & end in? */
3230 page_cur = offset / pPrivate->page_size;
3231 page_end = (offset + count - 1) / pPrivate->page_size;
3232
3233 LOG_DEBUG("Offset: 0x%08x, Count: 0x%08x", (unsigned int)(offset), (unsigned int)(count));
3234 LOG_DEBUG("Page start: %d, Page End: %d", (int)(page_cur), (int)(page_end));
3235
3236 /* Special case: all one page */
3237 /* */
3238 /* Otherwise: */
3239 /* (1) non-aligned start */
3240 /* (2) body pages */
3241 /* (3) non-aligned end. */
3242
3243 /* Handle special case - all one page. */
3244 if (page_cur == page_end) {
3245 LOG_DEBUG("Special case, all in one page");
3246 r = sam3_page_read(pPrivate, page_cur, pagebuffer);
3247 if (r != ERROR_OK)
3248 goto done;
3249
3250 page_offset = (offset & (pPrivate->page_size-1));
3251 memcpy(pagebuffer + page_offset,
3252 buffer,
3253 count);
3254
3255 r = sam3_page_write(pPrivate, page_cur, pagebuffer);
3256 if (r != ERROR_OK)
3257 goto done;
3258 r = ERROR_OK;
3259 goto done;
3260 }
3261
3262 /* non-aligned start */
3263 page_offset = offset & (pPrivate->page_size - 1);
3264 if (page_offset) {
3265 LOG_DEBUG("Not-Aligned start");
3266 /* read the partial */
3267 r = sam3_page_read(pPrivate, page_cur, pagebuffer);
3268 if (r != ERROR_OK)
3269 goto done;
3270
3271 /* over-write with new data */
3272 n = (pPrivate->page_size - page_offset);
3273 memcpy(pagebuffer + page_offset,
3274 buffer,
3275 n);
3276
3277 r = sam3_page_write(pPrivate, page_cur, pagebuffer);
3278 if (r != ERROR_OK)
3279 goto done;
3280
3281 count -= n;
3282 offset += n;
3283 buffer += n;
3284 page_cur++;
3285 }
3286
3287 /* By checking that offset is correct here, we also
3288 fix a clang warning */
3289 assert(offset % pPrivate->page_size == 0);
3290
3291 /* intermediate large pages */
3292 /* also - the final *terminal* */
3293 /* if that terminal page is a full page */
3294 LOG_DEBUG("Full Page Loop: cur=%d, end=%d, count = 0x%08x",
3295 (int)page_cur, (int)page_end, (unsigned int)(count));
3296
3297 while ((page_cur < page_end) &&
3298 (count >= pPrivate->page_size)) {
3299 r = sam3_page_write(pPrivate, page_cur, buffer);
3300 if (r != ERROR_OK)
3301 goto done;
3302 count -= pPrivate->page_size;
3303 buffer += pPrivate->page_size;
3304 page_cur += 1;
3305 }
3306
3307 /* terminal partial page? */
3308 if (count) {
3309 LOG_DEBUG("Terminal partial page, count = 0x%08x", (unsigned int)(count));
3310 /* we have a partial page */
3311 r = sam3_page_read(pPrivate, page_cur, pagebuffer);
3312 if (r != ERROR_OK)
3313 goto done;
3314 /* data goes at start */
3315 memcpy(pagebuffer, buffer, count);
3316 r = sam3_page_write(pPrivate, page_cur, pagebuffer);
3317 if (r != ERROR_OK)
3318 goto done;
3319 }
3320 LOG_DEBUG("Done!");
3321 r = ERROR_OK;
3322 done:
3323 if (pagebuffer)
3324 free(pagebuffer);
3325 return r;
3326 }
3327
3328 COMMAND_HANDLER(sam3_handle_info_command)
3329 {
3330 struct sam3_chip *pChip;
3331 pChip = get_current_sam3(CMD_CTX);
3332 if (!pChip)
3333 return ERROR_OK;
3334
3335 unsigned x;
3336 int r;
3337
3338 /* bank0 must exist before we can do anything */
3339 if (pChip->details.bank[0].pBank == NULL) {
3340 x = 0;
3341 need_define:
3342 command_print(CMD_CTX,
3343 "Please define bank %d via command: flash bank %s ... ",
3344 x,
3345 at91sam3_flash.name);
3346 return ERROR_FAIL;
3347 }
3348
3349 /* if bank 0 is not probed, then probe it */
3350 if (!(pChip->details.bank[0].probed)) {
3351 r = sam3_auto_probe(pChip->details.bank[0].pBank);
3352 if (r != ERROR_OK)
3353 return ERROR_FAIL;
3354 }
3355 /* above guarantees the "chip details" structure is valid */
3356 /* and thus, bank private areas are valid */
3357 /* and we have a SAM3 chip, what a concept! */
3358
3359 /* auto-probe other banks, 0 done above */
3360 for (x = 1; x < SAM3_MAX_FLASH_BANKS; x++) {
3361 /* skip banks not present */
3362 if (!(pChip->details.bank[x].present))
3363 continue;
3364
3365 if (pChip->details.bank[x].pBank == NULL)
3366 goto need_define;
3367
3368 if (pChip->details.bank[x].probed)
3369 continue;
3370
3371 r = sam3_auto_probe(pChip->details.bank[x].pBank);
3372 if (r != ERROR_OK)
3373 return r;
3374 }
3375
3376 r = sam3_GetInfo(pChip);
3377 if (r != ERROR_OK) {
3378 LOG_DEBUG("Sam3Info, Failed %d", r);
3379 return r;
3380 }
3381
3382 return ERROR_OK;
3383 }
3384
3385 COMMAND_HANDLER(sam3_handle_gpnvm_command)
3386 {
3387 unsigned x, v;
3388 int r, who;
3389 struct sam3_chip *pChip;
3390
3391 pChip = get_current_sam3(CMD_CTX);
3392 if (!pChip)
3393 return ERROR_OK;
3394
3395 if (pChip->target->state != TARGET_HALTED) {
3396 LOG_ERROR("sam3 - target not halted");
3397 return ERROR_TARGET_NOT_HALTED;
3398 }
3399
3400 if (pChip->details.bank[0].pBank == NULL) {
3401 command_print(CMD_CTX, "Bank0 must be defined first via: flash bank %s ...",
3402 at91sam3_flash.name);
3403 return ERROR_FAIL;
3404 }
3405 if (!pChip->details.bank[0].probed) {
3406 r = sam3_auto_probe(pChip->details.bank[0].pBank);
3407 if (r != ERROR_OK)
3408 return r;
3409 }
3410
3411 switch (CMD_ARGC) {
3412 default:
3413 return ERROR_COMMAND_SYNTAX_ERROR;
3414 break;
3415 case 0:
3416 goto showall;
3417 break;
3418 case 1:
3419 who = -1;
3420 break;
3421 case 2:
3422 if ((0 == strcmp(CMD_ARGV[0], "show")) && (0 == strcmp(CMD_ARGV[1], "all")))
3423 who = -1;
3424 else {
3425 uint32_t v32;
3426 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], v32);
3427 who = v32;
3428 }
3429 break;
3430 }
3431
3432 if (0 == strcmp("show", CMD_ARGV[0])) {
3433 if (who == -1) {
3434 showall:
3435 r = ERROR_OK;
3436 for (x = 0; x < pChip->details.n_gpnvms; x++) {
3437 r = FLASHD_GetGPNVM(&(pChip->details.bank[0]), x, &v);
3438 if (r != ERROR_OK)
3439 break;
3440 command_print(CMD_CTX, "sam3-gpnvm%u: %u", x, v);
3441 }
3442 return r;
3443 }
3444 if ((who >= 0) && (((unsigned)(who)) < pChip->details.n_gpnvms)) {
3445 r = FLASHD_GetGPNVM(&(pChip->details.bank[0]), who, &v);
3446 command_print(CMD_CTX, "sam3-gpnvm%u: %u", who, v);
3447 return r;
3448 } else {
3449 command_print(CMD_CTX, "sam3-gpnvm invalid GPNVM: %u", who);
3450 return ERROR_COMMAND_SYNTAX_ERROR;
3451 }
3452 }
3453
3454 if (who == -1) {
3455 command_print(CMD_CTX, "Missing GPNVM number");
3456 return ERROR_COMMAND_SYNTAX_ERROR;
3457 }
3458
3459 if (0 == strcmp("set", CMD_ARGV[0]))
3460 r = FLASHD_SetGPNVM(&(pChip->details.bank[0]), who);
3461 else if ((0 == strcmp("clr", CMD_ARGV[0])) ||
3462 (0 == strcmp("clear", CMD_ARGV[0]))) /* quietly accept both */
3463 r = FLASHD_ClrGPNVM(&(pChip->details.bank[0]), who);
3464 else {
3465 command_print(CMD_CTX, "Unknown command: %s", CMD_ARGV[0]);
3466 r = ERROR_COMMAND_SYNTAX_ERROR;
3467 }
3468 return r;
3469 }
3470
3471 COMMAND_HANDLER(sam3_handle_slowclk_command)
3472 {
3473 struct sam3_chip *pChip;
3474
3475 pChip = get_current_sam3(CMD_CTX);
3476 if (!pChip)
3477 return ERROR_OK;
3478
3479 switch (CMD_ARGC) {
3480 case 0:
3481 /* show */
3482 break;
3483 case 1:
3484 {
3485 /* set */
3486 uint32_t v;
3487 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], v);
3488 if (v > 200000) {
3489 /* absurd slow clock of 200Khz? */
3490 command_print(CMD_CTX, "Absurd/illegal slow clock freq: %d\n", (int)(v));
3491 return ERROR_COMMAND_SYNTAX_ERROR;
3492 }
3493 pChip->cfg.slow_freq = v;
3494 break;
3495 }
3496 default:
3497 /* error */
3498 command_print(CMD_CTX, "Too many parameters");
3499 return ERROR_COMMAND_SYNTAX_ERROR;
3500 break;
3501 }
3502 command_print(CMD_CTX, "Slowclk freq: %d.%03dkhz",
3503 (int)(pChip->cfg.slow_freq / 1000),
3504 (int)(pChip->cfg.slow_freq % 1000));
3505 return ERROR_OK;
3506 }
3507
3508 static const struct command_registration at91sam3_exec_command_handlers[] = {
3509 {
3510 .name = "gpnvm",
3511 .handler = sam3_handle_gpnvm_command,
3512 .mode = COMMAND_EXEC,
3513 .usage = "[('clr'|'set'|'show') bitnum]",
3514 .help = "Without arguments, shows all bits in the gpnvm "
3515 "register. Otherwise, clears, sets, or shows one "
3516 "General Purpose Non-Volatile Memory (gpnvm) bit.",
3517 },
3518 {
3519 .name = "info",
3520 .handler = sam3_handle_info_command,
3521 .mode = COMMAND_EXEC,
3522 .help = "Print information about the current at91sam3 chip"
3523 "and its flash configuration.",
3524 },
3525 {
3526 .name = "slowclk",
3527 .handler = sam3_handle_slowclk_command,
3528 .mode = COMMAND_EXEC,
3529 .usage = "[clock_hz]",
3530 .help = "Display or set the slowclock frequency "
3531 "(default 32768 Hz).",
3532 },
3533 COMMAND_REGISTRATION_DONE
3534 };
3535 static const struct command_registration at91sam3_command_handlers[] = {
3536 {
3537 .name = "at91sam3",
3538 .mode = COMMAND_ANY,
3539 .help = "at91sam3 flash command group",
3540 .usage = "",
3541 .chain = at91sam3_exec_command_handlers,
3542 },
3543 COMMAND_REGISTRATION_DONE
3544 };
3545
3546 struct flash_driver at91sam3_flash = {
3547 .name = "at91sam3",
3548 .commands = at91sam3_command_handlers,
3549 .flash_bank_command = sam3_flash_bank_command,
3550 .erase = sam3_erase,
3551 .protect = sam3_protect,
3552 .write = sam3_write,
3553 .read = default_flash_read,
3554 .probe = sam3_probe,
3555 .auto_probe = sam3_auto_probe,
3556 .erase_check = sam3_erase_check,
3557 .protect_check = sam3_protect_check,
3558 .info = sam3_info,
3559 };