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misc code review updates
[openocd/ztw.git] / src / flash / mflash.c
blob123d61ce82e1afd5d69f5186a593f8dd7085e7ff
1 /***************************************************************************
2 * Copyright (C) 2007-2008 by unsik Kim <donari75@gmail.com> *
3 * *
4 * This program is free software; you can redistribute it and/or modify *
5 * it under the terms of the GNU General Public License as published by *
6 * the Free Software Foundation; either version 2 of the License, or *
7 * (at your option) any later version. *
8 * *
9 * This program is distributed in the hope that it will be useful, *
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
12 * GNU General Public License for more details. *
13 * *
14 * You should have received a copy of the GNU General Public License *
15 * along with this program; if not, write to the *
16 * Free Software Foundation, Inc., *
17 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
18 ***************************************************************************/
19
20 #ifdef HAVE_CONFIG_H
21 #include "config.h"
22 #endif
23
24 #include "mflash.h"
25 #include <target/target.h>
26 #include <helper/time_support.h>
27 #include <helper/fileio.h>
28 #include <helper/log.h>
29
30
31 static int s3c2440_set_gpio_to_output (struct mflash_gpio_num gpio);
32 static int s3c2440_set_gpio_output_val (struct mflash_gpio_num gpio, uint8_t val);
33 static int pxa270_set_gpio_to_output (struct mflash_gpio_num gpio);
34 static int pxa270_set_gpio_output_val (struct mflash_gpio_num gpio, uint8_t val);
35
36 static struct mflash_bank *mflash_bank;
37
38 static struct mflash_gpio_drv pxa270_gpio = {
39 .name = "pxa270",
40 .set_gpio_to_output = pxa270_set_gpio_to_output,
41 .set_gpio_output_val = pxa270_set_gpio_output_val
42 };
43
44 static struct mflash_gpio_drv s3c2440_gpio = {
45 .name = "s3c2440",
46 .set_gpio_to_output = s3c2440_set_gpio_to_output,
47 .set_gpio_output_val = s3c2440_set_gpio_output_val
48 };
49
50 static struct mflash_gpio_drv *mflash_gpio[] =
51 {
52 &pxa270_gpio,
53 &s3c2440_gpio,
54 NULL
55 };
56
57 #define PXA270_GAFR0_L 0x40E00054
58 #define PXA270_GAFR3_U 0x40E00070
59 #define PXA270_GAFR3_U_RESERVED_BITS 0xfffc0000u
60 #define PXA270_GPDR0 0x40E0000C
61 #define PXA270_GPDR3 0x40E0010C
62 #define PXA270_GPDR3_RESERVED_BITS 0xfe000000u
63 #define PXA270_GPSR0 0x40E00018
64 #define PXA270_GPCR0 0x40E00024
65
66 static int pxa270_set_gpio_to_output (struct mflash_gpio_num gpio)
67 {
68 uint32_t addr, value, mask;
69 struct target *target = mflash_bank->target;
70 int ret;
71
72 /* remove alternate function. */
73 mask = 0x3u << (gpio.num & 0xF)*2;
74
75 addr = PXA270_GAFR0_L + (gpio.num >> 4) * 4;
76
77 if ((ret = target_read_u32(target, addr, &value)) != ERROR_OK)
78 return ret;
79
80 value &= ~mask;
81 if (addr == PXA270_GAFR3_U)
82 value &= ~PXA270_GAFR3_U_RESERVED_BITS;
83
84 if ((ret = target_write_u32(target, addr, value)) != ERROR_OK)
85 return ret;
86
87 /* set direction to output */
88 mask = 0x1u << (gpio.num & 0x1F);
89
90 addr = PXA270_GPDR0 + (gpio.num >> 5) * 4;
91
92 if ((ret = target_read_u32(target, addr, &value)) != ERROR_OK)
93 return ret;
94
95 value |= mask;
96 if (addr == PXA270_GPDR3)
97 value &= ~PXA270_GPDR3_RESERVED_BITS;
98
99 ret = target_write_u32(target, addr, value);
100 return ret;
101 }
102
103 static int pxa270_set_gpio_output_val (struct mflash_gpio_num gpio, uint8_t val)
104 {
105 uint32_t addr, value, mask;
106 struct target *target = mflash_bank->target;
107 int ret;
108
109 mask = 0x1u << (gpio.num & 0x1F);
110
111 if (val) {
112 addr = PXA270_GPSR0 + (gpio.num >> 5) * 4;
113 } else {
114 addr = PXA270_GPCR0 + (gpio.num >> 5) * 4;
115 }
116
117 if ((ret = target_read_u32(target, addr, &value)) != ERROR_OK)
118 return ret;
119
120 value |= mask;
121
122 ret = target_write_u32(target, addr, value);
123
124 return ret;
125 }
126
127 #define S3C2440_GPACON 0x56000000
128 #define S3C2440_GPADAT 0x56000004
129 #define S3C2440_GPJCON 0x560000d0
130 #define S3C2440_GPJDAT 0x560000d4
131
132 static int s3c2440_set_gpio_to_output (struct mflash_gpio_num gpio)
133 {
134 uint32_t data, mask, gpio_con;
135 struct target *target = mflash_bank->target;
136 int ret;
137
138 if (gpio.port[0] >= 'a' && gpio.port[0] <= 'h') {
139 gpio_con = S3C2440_GPACON + (gpio.port[0] - 'a') * 0x10;
140 } else if (gpio.port[0] == 'j') {
141 gpio_con = S3C2440_GPJCON;
142 } else {
143 LOG_ERROR("mflash: invalid port %d%s", gpio.num, gpio.port);
144 return ERROR_INVALID_ARGUMENTS;
145 }
146
147 ret = target_read_u32(target, gpio_con, &data);
148
149 if (ret == ERROR_OK) {
150 if (gpio.port[0] == 'a') {
151 mask = 1 << gpio.num;
152 data &= ~mask;
153 } else {
154 mask = 3 << gpio.num * 2;
155 data &= ~mask;
156 data |= (1 << gpio.num * 2);
157 }
158
159 ret = target_write_u32(target, gpio_con, data);
160 }
161 return ret;
162 }
163
164 static int s3c2440_set_gpio_output_val (struct mflash_gpio_num gpio, uint8_t val)
165 {
166 uint32_t data, mask, gpio_dat;
167 struct target *target = mflash_bank->target;
168 int ret;
169
170 if (gpio.port[0] >= 'a' && gpio.port[0] <= 'h') {
171 gpio_dat = S3C2440_GPADAT + (gpio.port[0] - 'a') * 0x10;
172 } else if (gpio.port[0] == 'j') {
173 gpio_dat = S3C2440_GPJDAT;
174 } else {
175 LOG_ERROR("mflash: invalid port %d%s", gpio.num, gpio.port);
176 return ERROR_INVALID_ARGUMENTS;
177 }
178
179 ret = target_read_u32(target, gpio_dat, &data);
180
181 if (ret == ERROR_OK) {
182 mask = 1 << gpio.num;
183 if (val)
184 data |= mask;
185 else
186 data &= ~mask;
187
188 ret = target_write_u32(target, gpio_dat, data);
189 }
190 return ret;
191 }
192
193 static int mg_hdrst(uint8_t level)
194 {
195 return mflash_bank->gpio_drv->set_gpio_output_val(mflash_bank->rst_pin, level);
196 }
197
198 static int mg_init_gpio (void)
199 {
200 int ret;
201 struct mflash_gpio_drv *gpio_drv = mflash_bank->gpio_drv;
202
203 ret = gpio_drv->set_gpio_to_output(mflash_bank->rst_pin);
204 if (ret != ERROR_OK)
205 return ret;
206
207 ret = gpio_drv->set_gpio_output_val(mflash_bank->rst_pin, 1);
208
209 return ret;
210 }
211
212 static int mg_dsk_wait(mg_io_type_wait wait, uint32_t time)
213 {
214 uint8_t status, error;
215 struct target *target = mflash_bank->target;
216 uint32_t mg_task_reg = mflash_bank->base + MG_REG_OFFSET;
217 int ret;
218 long long t = 0;
219
220 struct duration bench;
221 duration_start(&bench);
222
223 while (time) {
224
225 ret = target_read_u8(target, mg_task_reg + MG_REG_STATUS, &status);
226 if (ret != ERROR_OK)
227 return ret;
228
229 if (status & mg_io_rbit_status_busy)
230 {
231 if (wait == mg_io_wait_bsy)
232 return ERROR_OK;
233 } else {
234 switch (wait)
235 {
236 case mg_io_wait_not_bsy:
237 return ERROR_OK;
238 case mg_io_wait_rdy_noerr:
239 if (status & mg_io_rbit_status_ready)
240 return ERROR_OK;
241 break;
242 case mg_io_wait_drq_noerr:
243 if (status & mg_io_rbit_status_data_req)
244 return ERROR_OK;
245 break;
246 default:
247 break;
248 }
249
250 /* Now we check the error condition! */
251 if (status & mg_io_rbit_status_error)
252 {
253 ret = target_read_u8(target, mg_task_reg + MG_REG_ERROR, &error);
254 if (ret != ERROR_OK)
255 return ret;
256
257 LOG_ERROR("mflash: io error 0x%02x", error);
258
259 return ERROR_MG_IO;
260 }
261
262 switch (wait)
263 {
264 case mg_io_wait_rdy:
265 if (status & mg_io_rbit_status_ready)
266 return ERROR_OK;
267
268 case mg_io_wait_drq:
269 if (status & mg_io_rbit_status_data_req)
270 return ERROR_OK;
271
272 default:
273 break;
274 }
275 }
276
277 ret = duration_measure(&bench);
278 if (ERROR_OK == ret)
279 t = duration_elapsed(&bench) * 1000.0;
280 else
281 LOG_ERROR("mflash: duration measurement failed: %d", ret);
282
283 if (t > time)
284 break;
285 }
286
287 LOG_ERROR("mflash: timeout occured");
288 return ERROR_MG_TIMEOUT;
289 }
290
291 static int mg_dsk_srst(uint8_t on)
292 {
293 struct target *target = mflash_bank->target;
294 uint32_t mg_task_reg = mflash_bank->base + MG_REG_OFFSET;
295 uint8_t value;
296 int ret;
297
298 if ((ret = target_read_u8(target, mg_task_reg + MG_REG_DRV_CTRL, &value)) != ERROR_OK)
299 return ret;
300
301 if (on) {
302 value |= (mg_io_rbit_devc_srst);
303 } else {
304 value &= ~mg_io_rbit_devc_srst;
305 }
306
307 ret = target_write_u8(target, mg_task_reg + MG_REG_DRV_CTRL, value);
308 return ret;
309 }
310
311 static int mg_dsk_io_cmd(uint32_t sect_num, uint32_t cnt, uint8_t cmd)
312 {
313 struct target *target = mflash_bank->target;
314 uint32_t mg_task_reg = mflash_bank->base + MG_REG_OFFSET;
315 uint8_t value;
316 int ret;
317
318 ret = mg_dsk_wait(mg_io_wait_rdy_noerr, MG_OEM_DISK_WAIT_TIME_NORMAL);
319 if (ret != ERROR_OK)
320 return ret;
321
322 value = mg_io_rval_dev_drv_master | mg_io_rval_dev_lba_mode |((sect_num >> 24) & 0xf);
323
324 ret = target_write_u8(target, mg_task_reg + MG_REG_DRV_HEAD, value);
325 ret |= target_write_u8(target, mg_task_reg + MG_REG_SECT_CNT, (uint8_t)cnt);
326 ret |= target_write_u8(target, mg_task_reg + MG_REG_SECT_NUM, (uint8_t)sect_num);
327 ret |= target_write_u8(target, mg_task_reg + MG_REG_CYL_LOW, (uint8_t)(sect_num >> 8));
328 ret |= target_write_u8(target, mg_task_reg + MG_REG_CYL_HIGH, (uint8_t)(sect_num >> 16));
329
330 if (ret != ERROR_OK)
331 return ret;
332
333 return target_write_u8(target, mg_task_reg + MG_REG_COMMAND, cmd);
334 }
335
336 static int mg_dsk_drv_info(void)
337 {
338 struct target *target = mflash_bank->target;
339 uint32_t mg_buff = mflash_bank->base + MG_BUFFER_OFFSET;
340 int ret;
341
342 if ((ret = mg_dsk_io_cmd(0, 1, mg_io_cmd_identify)) != ERROR_OK)
343 return ret;
344
345 ret = mg_dsk_wait(mg_io_wait_drq, MG_OEM_DISK_WAIT_TIME_NORMAL);
346 if (ret != ERROR_OK)
347 return ret;
348
349 LOG_INFO("mflash: read drive info");
350
351 if (! mflash_bank->drv_info)
352 mflash_bank->drv_info = malloc(sizeof(struct mg_drv_info));
353
354 ret = target_read_memory(target, mg_buff, 2,
355 sizeof(mg_io_type_drv_info) >> 1,
356 (uint8_t *)&mflash_bank->drv_info->drv_id);
357 if (ret != ERROR_OK)
358 return ret;
359
360 mflash_bank->drv_info->tot_sects = (uint32_t)(mflash_bank->drv_info->drv_id.total_user_addressable_sectors_hi << 16)
361 + mflash_bank->drv_info->drv_id.total_user_addressable_sectors_lo;
362
363 return target_write_u8(target, mflash_bank->base + MG_REG_OFFSET + MG_REG_COMMAND, mg_io_cmd_confirm_read);
364 }
365
366 static int mg_mflash_rst(void)
367 {
368 int ret;
369
370 if ((ret = mg_init_gpio()) != ERROR_OK)
371 return ret;
372
373 if ((ret = mg_hdrst(0)) != ERROR_OK)
374 return ret;
375
376 if ((ret = mg_dsk_wait(mg_io_wait_bsy, MG_OEM_DISK_WAIT_TIME_LONG)) != ERROR_OK)
377 return ret;
378
379 if ((ret = mg_hdrst(1)) != ERROR_OK)
380 return ret;
381
382 if ((ret = mg_dsk_wait(mg_io_wait_not_bsy, MG_OEM_DISK_WAIT_TIME_LONG)) != ERROR_OK)
383 return ret;
384
385 if ((ret = mg_dsk_srst(1)) != ERROR_OK)
386 return ret;
387
388 if ((ret = mg_dsk_wait(mg_io_wait_bsy, MG_OEM_DISK_WAIT_TIME_LONG)) != ERROR_OK)
389 return ret;
390
391 if ((ret = mg_dsk_srst(0)) != ERROR_OK)
392 return ret;
393
394 if ((ret = mg_dsk_wait(mg_io_wait_not_bsy, MG_OEM_DISK_WAIT_TIME_LONG)) != ERROR_OK)
395 return ret;
396
397 LOG_INFO("mflash: reset ok");
398
399 return ERROR_OK;
400 }
401
402 static int mg_mflash_probe(void)
403 {
404 int ret;
405
406 if ((ret = mg_mflash_rst()) != ERROR_OK)
407 return ret;
408
409 return mg_dsk_drv_info();
410 }
411
412 COMMAND_HANDLER(mg_probe_cmd)
413 {
414 int ret;
415
416 ret = mg_mflash_probe();
417
418 if (ret == ERROR_OK) {
419 command_print(CMD_CTX, "mflash (total %" PRIu32 " sectors) found at 0x%8.8" PRIx32 "",
420 mflash_bank->drv_info->tot_sects, mflash_bank->base);
421 }
422
423 return ret;
424 }
425
426 static int mg_mflash_do_read_sects(void *buff, uint32_t sect_num, uint32_t sect_cnt)
427 {
428 uint32_t i, address;
429 int ret;
430 struct target *target = mflash_bank->target;
431 uint8_t *buff_ptr = buff;
432
433 if ((ret = mg_dsk_io_cmd(sect_num, sect_cnt, mg_io_cmd_read)) != ERROR_OK)
434 return ret;
435
436 address = mflash_bank->base + MG_BUFFER_OFFSET;
437
438 struct duration bench;
439 duration_start(&bench);
440
441 for (i = 0; i < sect_cnt; i++) {
442 ret = mg_dsk_wait(mg_io_wait_drq, MG_OEM_DISK_WAIT_TIME_NORMAL);
443 if (ret != ERROR_OK)
444 return ret;
445
446 ret = target_read_memory(target, address, 2, MG_MFLASH_SECTOR_SIZE / 2, buff_ptr);
447 if (ret != ERROR_OK)
448 return ret;
449
450 buff_ptr += MG_MFLASH_SECTOR_SIZE;
451
452 ret = target_write_u8(target, mflash_bank->base + MG_REG_OFFSET + MG_REG_COMMAND, mg_io_cmd_confirm_read);
453 if (ret != ERROR_OK)
454 return ret;
455
456 LOG_DEBUG("mflash: %" PRIu32 " (0x%8.8" PRIx32 ") sector read", sect_num + i, (sect_num + i) * MG_MFLASH_SECTOR_SIZE);
457
458 ret = duration_measure(&bench);
459 if ((ERROR_OK == ret) && (duration_elapsed(&bench) > 3)) {
460 LOG_INFO("mflash: read %" PRIu32 "'th sectors", sect_num + i);
461 duration_start(&bench);
462 }
463 }
464
465 return mg_dsk_wait(mg_io_wait_rdy, MG_OEM_DISK_WAIT_TIME_NORMAL);
466 }
467
468 static int mg_mflash_read_sects(void *buff, uint32_t sect_num, uint32_t sect_cnt)
469 {
470 uint32_t quotient, residue, i;
471 uint8_t *buff_ptr = buff;
472 int ret = ERROR_OK;
473
474 quotient = sect_cnt >> 8;
475 residue = sect_cnt % 256;
476
477 for (i = 0; i < quotient; i++) {
478 LOG_DEBUG("mflash: sect num : %" PRIu32 " buff : %p",
479 sect_num, buff_ptr);
480 ret = mg_mflash_do_read_sects(buff_ptr, sect_num, 256);
481 if (ret != ERROR_OK)
482 return ret;
483
484 sect_num += 256;
485 buff_ptr += 256 * MG_MFLASH_SECTOR_SIZE;
486 }
487
488 if (residue) {
489 LOG_DEBUG("mflash: sect num : %" PRIx32 " buff : %p",
490 sect_num, buff_ptr);
491 return mg_mflash_do_read_sects(buff_ptr, sect_num, residue);
492 }
493
494 return ret;
495 }
496
497 static int mg_mflash_do_write_sects(void *buff, uint32_t sect_num, uint32_t sect_cnt,
498 mg_io_type_cmd cmd)
499 {
500 uint32_t i, address;
501 int ret;
502 struct target *target = mflash_bank->target;
503 uint8_t *buff_ptr = buff;
504
505 if ((ret = mg_dsk_io_cmd(sect_num, sect_cnt, cmd)) != ERROR_OK)
506 return ret;
507
508 address = mflash_bank->base + MG_BUFFER_OFFSET;
509
510 struct duration bench;
511 duration_start(&bench);
512
513 for (i = 0; i < sect_cnt; i++) {
514 ret = mg_dsk_wait(mg_io_wait_drq, MG_OEM_DISK_WAIT_TIME_NORMAL);
515 if (ret != ERROR_OK)
516 return ret;
517
518 ret = target_write_memory(target, address, 2, MG_MFLASH_SECTOR_SIZE / 2, buff_ptr);
519 if (ret != ERROR_OK)
520 return ret;
521
522 buff_ptr += MG_MFLASH_SECTOR_SIZE;
523
524 ret = target_write_u8(target, mflash_bank->base + MG_REG_OFFSET + MG_REG_COMMAND, mg_io_cmd_confirm_write);
525 if (ret != ERROR_OK)
526 return ret;
527
528 LOG_DEBUG("mflash: %" PRIu32 " (0x%8.8" PRIx32 ") sector write", sect_num + i, (sect_num + i) * MG_MFLASH_SECTOR_SIZE);
529
530 ret = duration_measure(&bench);
531 if ((ERROR_OK == ret) && (duration_elapsed(&bench) > 3)) {
532 LOG_INFO("mflash: wrote %" PRIu32 "'th sectors", sect_num + i);
533 duration_start(&bench);
534 }
535 }
536
537 if (cmd == mg_io_cmd_write)
538 ret = mg_dsk_wait(mg_io_wait_rdy, MG_OEM_DISK_WAIT_TIME_NORMAL);
539 else
540 ret = mg_dsk_wait(mg_io_wait_rdy, MG_OEM_DISK_WAIT_TIME_LONG);
541
542 return ret;
543 }
544
545 static int mg_mflash_write_sects(void *buff, uint32_t sect_num, uint32_t sect_cnt)
546 {
547 uint32_t quotient, residue, i;
548 uint8_t *buff_ptr = buff;
549 int ret = ERROR_OK;
550
551 quotient = sect_cnt >> 8;
552 residue = sect_cnt % 256;
553
554 for (i = 0; i < quotient; i++) {
555 LOG_DEBUG("mflash: sect num : %" PRIu32 "buff : %p", sect_num,
556 buff_ptr);
557 ret = mg_mflash_do_write_sects(buff_ptr, sect_num, 256, mg_io_cmd_write);
558 if (ret != ERROR_OK)
559 return ret;
560
561 sect_num += 256;
562 buff_ptr += 256 * MG_MFLASH_SECTOR_SIZE;
563 }
564
565 if (residue) {
566 LOG_DEBUG("mflash: sect num : %" PRIu32 " buff : %p", sect_num,
567 buff_ptr);
568 return mg_mflash_do_write_sects(buff_ptr, sect_num, residue, mg_io_cmd_write);
569 }
570
571 return ret;
572 }
573
574 static int mg_mflash_read (uint32_t addr, uint8_t *buff, uint32_t len)
575 {
576 uint8_t *buff_ptr = buff;
577 uint8_t sect_buff[MG_MFLASH_SECTOR_SIZE];
578 uint32_t cur_addr, next_sec_addr, end_addr, cnt, sect_num;
579 int ret = ERROR_OK;
580
581 cnt = 0;
582 cur_addr = addr;
583 end_addr = addr + len;
584
585 if (cur_addr & MG_MFLASH_SECTOR_SIZE_MASK) {
586
587 next_sec_addr = (cur_addr + MG_MFLASH_SECTOR_SIZE) & ~MG_MFLASH_SECTOR_SIZE_MASK;
588 sect_num = cur_addr >> MG_MFLASH_SECTOR_SIZE_SHIFT;
589 ret = mg_mflash_read_sects(sect_buff, sect_num, 1);
590 if (ret != ERROR_OK)
591 return ret;
592
593 if (end_addr < next_sec_addr) {
594 memcpy(buff_ptr, sect_buff + (cur_addr & MG_MFLASH_SECTOR_SIZE_MASK), end_addr - cur_addr);
595 LOG_DEBUG("mflash: copies %" PRIu32 " byte from sector offset 0x%8.8" PRIx32 "", end_addr - cur_addr, cur_addr);
596 cur_addr = end_addr;
597 } else {
598 memcpy(buff_ptr, sect_buff + (cur_addr & MG_MFLASH_SECTOR_SIZE_MASK), next_sec_addr - cur_addr);
599 LOG_DEBUG("mflash: copies %" PRIu32 " byte from sector offset 0x%8.8" PRIx32 "", next_sec_addr - cur_addr, cur_addr);
600 buff_ptr += (next_sec_addr - cur_addr);
601 cur_addr = next_sec_addr;
602 }
603 }
604
605 if (cur_addr < end_addr) {
606
607 sect_num = cur_addr >> MG_MFLASH_SECTOR_SIZE_SHIFT;
608 next_sec_addr = cur_addr + MG_MFLASH_SECTOR_SIZE;
609
610 while (next_sec_addr <= end_addr) {
611 cnt++;
612 next_sec_addr += MG_MFLASH_SECTOR_SIZE;
613 }
614
615 if (cnt)
616 if ((ret = mg_mflash_read_sects(buff_ptr, sect_num, cnt)) != ERROR_OK)
617 return ret;
618
619 buff_ptr += cnt * MG_MFLASH_SECTOR_SIZE;
620 cur_addr += cnt * MG_MFLASH_SECTOR_SIZE;
621
622 if (cur_addr < end_addr) {
623
624 sect_num = cur_addr >> MG_MFLASH_SECTOR_SIZE_SHIFT;
625 ret = mg_mflash_read_sects(sect_buff, sect_num, 1);
626 if (ret != ERROR_OK)
627 return ret;
628
629 memcpy(buff_ptr, sect_buff, end_addr - cur_addr);
630 LOG_DEBUG("mflash: copies %u byte", (unsigned)(end_addr - cur_addr));
631
632 }
633 }
634
635 return ret;
636 }
637
638 static int mg_mflash_write(uint32_t addr, uint8_t *buff, uint32_t len)
639 {
640 uint8_t *buff_ptr = buff;
641 uint8_t sect_buff[MG_MFLASH_SECTOR_SIZE];
642 uint32_t cur_addr, next_sec_addr, end_addr, cnt, sect_num;
643 int ret = ERROR_OK;
644
645 cnt = 0;
646 cur_addr = addr;
647 end_addr = addr + len;
648
649 if (cur_addr & MG_MFLASH_SECTOR_SIZE_MASK) {
650
651 next_sec_addr = (cur_addr + MG_MFLASH_SECTOR_SIZE) & ~MG_MFLASH_SECTOR_SIZE_MASK;
652 sect_num = cur_addr >> MG_MFLASH_SECTOR_SIZE_SHIFT;
653 ret = mg_mflash_read_sects(sect_buff, sect_num, 1);
654 if (ret != ERROR_OK)
655 return ret;
656
657 if (end_addr < next_sec_addr) {
658 memcpy(sect_buff + (cur_addr & MG_MFLASH_SECTOR_SIZE_MASK), buff_ptr, end_addr - cur_addr);
659 LOG_DEBUG("mflash: copies %" PRIu32 " byte to sector offset 0x%8.8" PRIx32 "", end_addr - cur_addr, cur_addr);
660 cur_addr = end_addr;
661 } else {
662 memcpy(sect_buff + (cur_addr & MG_MFLASH_SECTOR_SIZE_MASK), buff_ptr, next_sec_addr - cur_addr);
663 LOG_DEBUG("mflash: copies %" PRIu32 " byte to sector offset 0x%8.8" PRIx32 "", next_sec_addr - cur_addr, cur_addr);
664 buff_ptr += (next_sec_addr - cur_addr);
665 cur_addr = next_sec_addr;
666 }
667
668 ret = mg_mflash_write_sects(sect_buff, sect_num, 1);
669 if (ret != ERROR_OK)
670 return ret;
671 }
672
673 if (cur_addr < end_addr) {
674
675 sect_num = cur_addr >> MG_MFLASH_SECTOR_SIZE_SHIFT;
676 next_sec_addr = cur_addr + MG_MFLASH_SECTOR_SIZE;
677
678 while (next_sec_addr <= end_addr) {
679 cnt++;
680 next_sec_addr += MG_MFLASH_SECTOR_SIZE;
681 }
682
683 if (cnt)
684 if ((ret = mg_mflash_write_sects(buff_ptr, sect_num, cnt)) != ERROR_OK)
685 return ret;
686
687 buff_ptr += cnt * MG_MFLASH_SECTOR_SIZE;
688 cur_addr += cnt * MG_MFLASH_SECTOR_SIZE;
689
690 if (cur_addr < end_addr) {
691
692 sect_num = cur_addr >> MG_MFLASH_SECTOR_SIZE_SHIFT;
693 ret = mg_mflash_read_sects(sect_buff, sect_num, 1);
694 if (ret != ERROR_OK)
695 return ret;
696
697 memcpy(sect_buff, buff_ptr, end_addr - cur_addr);
698 LOG_DEBUG("mflash: copies %" PRIu32 " byte", end_addr - cur_addr);
699 ret = mg_mflash_write_sects(sect_buff, sect_num, 1);
700 }
701 }
702
703 return ret;
704 }
705
706 COMMAND_HANDLER(mg_write_cmd)
707 {
708 uint32_t address, cnt, res, i;
709 uint8_t *buffer;
710 struct fileio fileio;
711 int ret;
712
713 if (CMD_ARGC != 3) {
714 return ERROR_COMMAND_SYNTAX_ERROR;
715 }
716
717 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], address);
718
719 ret = fileio_open(&fileio, CMD_ARGV[1], FILEIO_READ, FILEIO_BINARY);
720 if (ret != ERROR_OK)
721 return ret;
722
723 buffer = malloc(MG_FILEIO_CHUNK);
724 if (!buffer) {
725 fileio_close(&fileio);
726 return ERROR_FAIL;
727 }
728
729 cnt = fileio.size / MG_FILEIO_CHUNK;
730 res = fileio.size % MG_FILEIO_CHUNK;
731
732 struct duration bench;
733 duration_start(&bench);
734
735 size_t buf_cnt;
736 for (i = 0; i < cnt; i++) {
737 if ((ret = fileio_read(&fileio, MG_FILEIO_CHUNK, buffer, &buf_cnt)) !=
738 ERROR_OK)
739 goto mg_write_cmd_err;
740 if ((ret = mg_mflash_write(address, buffer, MG_FILEIO_CHUNK)) != ERROR_OK)
741 goto mg_write_cmd_err;
742 address += MG_FILEIO_CHUNK;
743 }
744
745 if (res) {
746 if ((ret = fileio_read(&fileio, res, buffer, &buf_cnt)) != ERROR_OK)
747 goto mg_write_cmd_err;
748 if ((ret = mg_mflash_write(address, buffer, res)) != ERROR_OK)
749 goto mg_write_cmd_err;
750 }
751
752 if (duration_measure(&bench) == ERROR_OK)
753 {
754 command_print(CMD_CTX, "wrote %zu byte from file %s "
755 "in %fs (%0.3f kB/s)", fileio.size, CMD_ARGV[1],
756 duration_elapsed(&bench), duration_kbps(&bench, fileio.size));
757 }
758
759 free(buffer);
760 fileio_close(&fileio);
761
762 return ERROR_OK;
763
764 mg_write_cmd_err:
765 free(buffer);
766 fileio_close(&fileio);
767
768 return ret;
769 }
770
771 COMMAND_HANDLER(mg_dump_cmd)
772 {
773 uint32_t address, size, cnt, res, i;
774 uint8_t *buffer;
775 struct fileio fileio;
776 int ret;
777
778 if (CMD_ARGC != 4) {
779 return ERROR_COMMAND_SYNTAX_ERROR;
780 }
781
782 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], address);
783 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[3], size);
784
785 ret = fileio_open(&fileio, CMD_ARGV[1], FILEIO_WRITE, FILEIO_BINARY);
786 if (ret != ERROR_OK)
787 return ret;
788
789 buffer = malloc(MG_FILEIO_CHUNK);
790 if (!buffer) {
791 fileio_close(&fileio);
792 return ERROR_FAIL;
793 }
794
795 cnt = size / MG_FILEIO_CHUNK;
796 res = size % MG_FILEIO_CHUNK;
797
798 struct duration bench;
799 duration_start(&bench);
800
801 size_t size_written;
802 for (i = 0; i < cnt; i++) {
803 if ((ret = mg_mflash_read(address, buffer, MG_FILEIO_CHUNK)) != ERROR_OK)
804 goto mg_dump_cmd_err;
805 if ((ret = fileio_write(&fileio, MG_FILEIO_CHUNK, buffer, &size_written))
806 != ERROR_OK)
807 goto mg_dump_cmd_err;
808 address += MG_FILEIO_CHUNK;
809 }
810
811 if (res) {
812 if ((ret = mg_mflash_read(address, buffer, res)) != ERROR_OK)
813 goto mg_dump_cmd_err;
814 if ((ret = fileio_write(&fileio, res, buffer, &size_written)) != ERROR_OK)
815 goto mg_dump_cmd_err;
816 }
817
818 if (duration_measure(&bench) == ERROR_OK)
819 {
820 command_print(CMD_CTX, "dump image (address 0x%8.8" PRIx32 " "
821 "size %" PRIu32 ") to file %s in %fs (%0.3f kB/s)",
822 address, size, CMD_ARGV[1],
823 duration_elapsed(&bench), duration_kbps(&bench, size));
824 }
825
826 free(buffer);
827 fileio_close(&fileio);
828
829 return ERROR_OK;
830
831 mg_dump_cmd_err:
832 free(buffer);
833 fileio_close(&fileio);
834
835 return ret;
836 }
837
838 static int mg_set_feature(mg_feature_id feature, mg_feature_val config)
839 {
840 struct target *target = mflash_bank->target;
841 uint32_t mg_task_reg = mflash_bank->base + MG_REG_OFFSET;
842 int ret;
843
844 if ((ret = mg_dsk_wait(mg_io_wait_rdy_noerr, MG_OEM_DISK_WAIT_TIME_NORMAL))
845 != ERROR_OK)
846 return ret;
847
848 ret = target_write_u8(target, mg_task_reg + MG_REG_FEATURE, feature);
849 ret |= target_write_u8(target, mg_task_reg + MG_REG_SECT_CNT, config);
850 ret |= target_write_u8(target, mg_task_reg + MG_REG_COMMAND,
851 mg_io_cmd_set_feature);
852
853 return ret;
854 }
855
856 static int mg_is_valid_pll(double XIN, int N, double CLK_OUT, int NO)
857 {
858 double v1 = XIN / N;
859 double v2 = CLK_OUT * NO;
860
861 if (v1 <1000000 || v1 > 15000000 || v2 < 100000000 || v2 > 500000000)
862 return ERROR_MG_INVALID_PLL;
863
864 return ERROR_OK;
865 }
866
867 static int mg_pll_get_M(unsigned short feedback_div)
868 {
869 int i, M;
870
871 for (i = 1, M = 0; i < 512; i <<= 1, feedback_div >>= 1)
872 M += (feedback_div & 1) * i;
873
874 return M + 2;
875 }
876
877 static int mg_pll_get_N(unsigned char input_div)
878 {
879 int i, N;
880
881 for (i = 1, N = 0; i < 32; i <<= 1, input_div >>= 1)
882 N += (input_div & 1) * i;
883
884 return N + 2;
885 }
886
887 static int mg_pll_get_NO(unsigned char output_div)
888 {
889 int i, NO;
890
891 for (i = 0, NO = 1; i < 2; ++i, output_div >>= 1)
892 if (output_div & 1)
893 NO = NO << 1;
894
895 return NO;
896 }
897
898 static double mg_do_calc_pll(double XIN, mg_pll_t * p_pll_val, int is_approximate)
899 {
900 unsigned short i;
901 unsigned char j, k;
902 int M, N, NO;
903 double CLK_OUT;
904 double DIV = 1;
905 double ROUND = 0;
906
907 if (is_approximate) {
908 DIV = 1000000;
909 ROUND = 500000;
910 }
911
912 for (i = 0; i < MG_PLL_MAX_FEEDBACKDIV_VAL ; ++i) {
913 M = mg_pll_get_M(i);
914
915 for (j = 0; j < MG_PLL_MAX_INPUTDIV_VAL ; ++j) {
916 N = mg_pll_get_N(j);
917
918 for (k = 0; k < MG_PLL_MAX_OUTPUTDIV_VAL ; ++k) {
919 NO = mg_pll_get_NO(k);
920
921 CLK_OUT = XIN * ((double)M / N) / NO;
922
923 if ((int)((CLK_OUT + ROUND) / DIV)
924 == (int)(MG_PLL_CLK_OUT / DIV)) {
925 if (mg_is_valid_pll(XIN, N, CLK_OUT, NO) == ERROR_OK)
926 {
927 p_pll_val->lock_cyc = (int)(XIN * MG_PLL_STD_LOCKCYCLE / MG_PLL_STD_INPUTCLK);
928 p_pll_val->feedback_div = i;
929 p_pll_val->input_div = j;
930 p_pll_val->output_div = k;
931
932 return CLK_OUT;
933 }
934 }
935 }
936 }
937 }
938
939 return 0;
940 }
941
942 static double mg_calc_pll(double XIN, mg_pll_t *p_pll_val)
943 {
944 double CLK_OUT;
945
946 CLK_OUT = mg_do_calc_pll(XIN, p_pll_val, 0);
947
948 if (!CLK_OUT)
949 return mg_do_calc_pll(XIN, p_pll_val, 1);
950 else
951 return CLK_OUT;
952 }
953
954 static int mg_verify_interface(void)
955 {
956 uint16_t buff[MG_MFLASH_SECTOR_SIZE >> 1];
957 uint16_t i, j;
958 uint32_t address = mflash_bank->base + MG_BUFFER_OFFSET;
959 struct target *target = mflash_bank->target;
960 int ret;
961
962 for (j = 0; j < 10; j++) {
963 for (i = 0; i < MG_MFLASH_SECTOR_SIZE >> 1; i++)
964 buff[i] = i;
965
966 ret = target_write_memory(target, address, 2,
967 MG_MFLASH_SECTOR_SIZE / 2, (uint8_t *)buff);
968 if (ret != ERROR_OK)
969 return ret;
970
971 memset(buff, 0xff, MG_MFLASH_SECTOR_SIZE);
972
973 ret = target_read_memory(target, address, 2,
974 MG_MFLASH_SECTOR_SIZE / 2, (uint8_t *)buff);
975 if (ret != ERROR_OK)
976 return ret;
977
978 for (i = 0; i < MG_MFLASH_SECTOR_SIZE >> 1; i++) {
979 if (buff[i] != i) {
980 LOG_ERROR("mflash: verify interface fail");
981 return ERROR_MG_INTERFACE;
982 }
983 }
984 }
985
986 LOG_INFO("mflash: verify interface ok");
987 return ret;
988 }
989
990 static const char g_strSEG_SerialNum[20] = {
991 'G','m','n','i','-','e','e','S','g','a','e','l',
992 0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20
993 };
994
995 static const char g_strSEG_FWRev[8] = {
996 'F','X','L','T','2','v','0','.'
997 };
998
999 static const char g_strSEG_ModelNum[40] = {
1000 'F','X','A','L','H','S','2',0x20,'0','0','s','7',
1001 0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,
1002 0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,
1003 0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20
1004 };
1005
1006 static void mg_gen_ataid(mg_io_type_drv_info *pSegIdDrvInfo)
1007 {
1008 /* b15 is ATA device(0) , b7 is Removable Media Device */
1009 pSegIdDrvInfo->general_configuration = 0x045A;
1010 /* 128MB : Cylinder=> 977 , Heads=> 8 , Sectors=> 32
1011 * 256MB : Cylinder=> 980 , Heads=> 16 , Sectors=> 32
1012 * 384MB : Cylinder=> 745 , Heads=> 16 , Sectors=> 63
1013 */
1014 pSegIdDrvInfo->number_of_cylinders = 0x02E9;
1015 pSegIdDrvInfo->reserved1 = 0x0;
1016 pSegIdDrvInfo->number_of_heads = 0x10;
1017 pSegIdDrvInfo->unformatted_bytes_per_track = 0x0;
1018 pSegIdDrvInfo->unformatted_bytes_per_sector = 0x0;
1019 pSegIdDrvInfo->sectors_per_track = 0x3F;
1020 pSegIdDrvInfo->vendor_unique1[0] = 0x000B;
1021 pSegIdDrvInfo->vendor_unique1[1] = 0x7570;
1022 pSegIdDrvInfo->vendor_unique1[2] = 0x8888;
1023
1024 memcpy(pSegIdDrvInfo->serial_number, (void *)g_strSEG_SerialNum,20);
1025 /* 0x2 : dual buffer */
1026 pSegIdDrvInfo->buffer_type = 0x2;
1027 /* buffer size : 2KB */
1028 pSegIdDrvInfo->buffer_sector_size = 0x800;
1029 pSegIdDrvInfo->number_of_ecc_bytes = 0;
1030
1031 memcpy(pSegIdDrvInfo->firmware_revision, (void *)g_strSEG_FWRev,8);
1032
1033 memcpy(pSegIdDrvInfo->model_number, (void *)g_strSEG_ModelNum,40);
1034
1035 pSegIdDrvInfo->maximum_block_transfer = 0x4;
1036 pSegIdDrvInfo->vendor_unique2 = 0x0;
1037 pSegIdDrvInfo->dword_io = 0x00;
1038 /* b11 : IORDY support(PIO Mode 4), b10 : Disable/Enbale IORDY
1039 * b9 : LBA support, b8 : DMA mode support
1040 */
1041 pSegIdDrvInfo->capabilities = 0x1 << 9;
1042
1043 pSegIdDrvInfo->reserved2 = 0x4000;
1044 pSegIdDrvInfo->vendor_unique3 = 0x00;
1045 /* PIOMode-2 support */
1046 pSegIdDrvInfo->pio_cycle_timing_mode = 0x02;
1047 pSegIdDrvInfo->vendor_unique4 = 0x00;
1048 /* MultiWord-2 support */
1049 pSegIdDrvInfo->dma_cycle_timing_mode = 0x00;
1050 /* b1 : word64~70 is valid
1051 * b0 : word54~58 are valid and reflect the current numofcyls,heads,sectors
1052 * b2 : If device supports Ultra DMA , set to one to vaildate word88
1053 */
1054 pSegIdDrvInfo->translation_fields_valid = (0x1 << 1) | (0x1 << 0);
1055 pSegIdDrvInfo->number_of_current_cylinders = 0x02E9;
1056 pSegIdDrvInfo->number_of_current_heads = 0x10;
1057 pSegIdDrvInfo->current_sectors_per_track = 0x3F;
1058 pSegIdDrvInfo->current_sector_capacity_lo = 0x7570;
1059 pSegIdDrvInfo->current_sector_capacity_hi = 0x000B;
1060
1061 pSegIdDrvInfo->multi_sector_count = 0x04;
1062 /* b8 : Multiple secotr setting valid , b[7:0] num of secotrs per block */
1063 pSegIdDrvInfo->multi_sector_setting_valid = 0x01;
1064 pSegIdDrvInfo->total_user_addressable_sectors_lo = 0x7570;
1065 pSegIdDrvInfo->total_user_addressable_sectors_hi = 0x000B;
1066 pSegIdDrvInfo->single_dma_modes_supported = 0x00;
1067 pSegIdDrvInfo->single_dma_transfer_active = 0x00;
1068 /* b2 :Multi-word DMA mode 2, b1 : Multi-word DMA mode 1 */
1069 pSegIdDrvInfo->multi_dma_modes_supported = (0x1 << 0);
1070 /* b2 :Multi-word DMA mode 2, b1 : Multi-word DMA mode 1 */
1071 pSegIdDrvInfo->multi_dma_transfer_active = (0x1 << 0);
1072 /* b0 : PIO Mode-3 support, b1 : PIO Mode-4 support */
1073 pSegIdDrvInfo->adv_pio_mode = 0x00;
1074 /* 480(0x1E0)nsec for Multi-word DMA mode0
1075 * 150(0x96) nsec for Multi-word DMA mode1
1076 * 120(0x78) nsec for Multi-word DMA mode2
1077 */
1078 pSegIdDrvInfo->min_dma_cyc = 0x1E0;
1079 pSegIdDrvInfo->recommend_dma_cyc = 0x1E0;
1080 pSegIdDrvInfo->min_pio_cyc_no_iordy = 0x1E0;
1081 pSegIdDrvInfo->min_pio_cyc_with_iordy = 0x1E0;
1082 memset((void *)pSegIdDrvInfo->reserved3, 0x00, 22);
1083 /* b7 : ATA/ATAPI-7 ,b6 : ATA/ATAPI-6 ,b5 : ATA/ATAPI-5,b4 : ATA/ATAPI-4 */
1084 pSegIdDrvInfo->major_ver_num = 0x7E;
1085 /* 0x1C : ATA/ATAPI-6 T13 1532D revision1 */
1086 pSegIdDrvInfo->minor_ver_num = 0x19;
1087 /* NOP/READ BUFFER/WRITE BUFFER/Power management feature set support */
1088 pSegIdDrvInfo->feature_cmd_set_suprt0 = 0x7068;
1089 /* Features/command set is valid/Advanced Pwr management/CFA feature set
1090 * not support
1091 */
1092 pSegIdDrvInfo->feature_cmd_set_suprt1 = 0x400C;
1093 pSegIdDrvInfo->feature_cmd_set_suprt2 = 0x4000;
1094 /* READ/WRITE BUFFER/PWR Management enable */
1095 pSegIdDrvInfo->feature_cmd_set_en0 = 0x7000;
1096 /* CFA feature is disabled / Advancde power management disable */
1097 pSegIdDrvInfo->feature_cmd_set_en1 = 0x0;
1098 pSegIdDrvInfo->feature_cmd_set_en2 = 0x4000;
1099 pSegIdDrvInfo->reserved4 = 0x0;
1100 /* 0x1 * 2minutes */
1101 pSegIdDrvInfo->req_time_for_security_er_done = 0x19;
1102 pSegIdDrvInfo->req_time_for_enhan_security_er_done = 0x19;
1103 /* Advanced power management level 1 */
1104 pSegIdDrvInfo->adv_pwr_mgm_lvl_val = 0x0;
1105 pSegIdDrvInfo->reserved5 = 0x0;
1106 memset((void *)pSegIdDrvInfo->reserved6, 0x00, 68);
1107 /* Security mode feature is disabled */
1108 pSegIdDrvInfo->security_stas = 0x0;
1109 memset((void *)pSegIdDrvInfo->vendor_uniq_bytes, 0x00, 62);
1110 /* CFA power mode 1 support in maximum 200mA */
1111 pSegIdDrvInfo->cfa_pwr_mode = 0x0100;
1112 memset((void *)pSegIdDrvInfo->reserved7, 0x00, 190);
1113 }
1114
1115 static int mg_storage_config(void)
1116 {
1117 uint8_t buff[512];
1118 int ret;
1119
1120 if ((ret = mg_set_feature(mg_feature_id_transmode, mg_feature_val_trans_vcmd))
1121 != ERROR_OK)
1122 return ret;
1123
1124 mg_gen_ataid((mg_io_type_drv_info *)buff);
1125
1126 if ((ret = mg_mflash_do_write_sects(buff, 0, 1, mg_vcmd_update_stgdrvinfo))
1127 != ERROR_OK)
1128 return ret;
1129
1130 if ((ret = mg_set_feature(mg_feature_id_transmode, mg_feature_val_trans_default))
1131 != ERROR_OK)
1132 return ret;
1133
1134 LOG_INFO("mflash: storage config ok");
1135 return ret;
1136 }
1137
1138 static int mg_boot_config(void)
1139 {
1140 uint8_t buff[512];
1141 int ret;
1142
1143 if ((ret = mg_set_feature(mg_feature_id_transmode, mg_feature_val_trans_vcmd))
1144 != ERROR_OK)
1145 return ret;
1146
1147 memset(buff, 0xff, 512);
1148
1149 buff[0] = mg_op_mode_snd; /* operation mode */
1150 buff[1] = MG_UNLOCK_OTP_AREA;
1151 buff[2] = 4; /* boot size */
1152 *((uint32_t *)(buff + 4)) = 0; /* XIP size */
1153
1154 if ((ret = mg_mflash_do_write_sects(buff, 0, 1, mg_vcmd_update_xipinfo))
1155 != ERROR_OK)
1156 return ret;
1157
1158 if ((ret = mg_set_feature(mg_feature_id_transmode, mg_feature_val_trans_default))
1159 != ERROR_OK)
1160 return ret;
1161
1162 LOG_INFO("mflash: boot config ok");
1163 return ret;
1164 }
1165
1166 static int mg_set_pll(mg_pll_t *pll)
1167 {
1168 uint8_t buff[512];
1169 int ret;
1170
1171 memset(buff, 0xff, 512);
1172 /* PLL Lock cycle and Feedback 9bit Divider */
1173 memcpy(buff, &pll->lock_cyc, sizeof(uint32_t));
1174 memcpy(buff + 4, &pll->feedback_div, sizeof(uint16_t));
1175 buff[6] = pll->input_div; /* PLL Input 5bit Divider */
1176 buff[7] = pll->output_div; /* PLL Output Divider */
1177
1178 if ((ret = mg_set_feature(mg_feature_id_transmode, mg_feature_val_trans_vcmd))
1179 != ERROR_OK)
1180 return ret;
1181
1182 if ((ret = mg_mflash_do_write_sects(buff, 0, 1, mg_vcmd_wr_pll))
1183 != ERROR_OK)
1184 return ret;
1185
1186 if ((ret = mg_set_feature(mg_feature_id_transmode, mg_feature_val_trans_default))
1187 != ERROR_OK)
1188 return ret;
1189
1190 LOG_INFO("mflash: set pll ok");
1191 return ret;
1192 }
1193
1194 static int mg_erase_nand(void)
1195 {
1196 int ret;
1197
1198 if ((ret = mg_set_feature(mg_feature_id_transmode, mg_feature_val_trans_vcmd))
1199 != ERROR_OK)
1200 return ret;
1201
1202 if ((ret = mg_mflash_do_write_sects(NULL, 0, 0, mg_vcmd_purge_nand))
1203 != ERROR_OK)
1204 return ret;
1205
1206 if ((ret = mg_set_feature(mg_feature_id_transmode, mg_feature_val_trans_default))
1207 != ERROR_OK)
1208 return ret;
1209
1210 LOG_INFO("mflash: erase nand ok");
1211 return ret;
1212 }
1213
1214 COMMAND_HANDLER(mg_config_cmd)
1215 {
1216 double fin, fout;
1217 mg_pll_t pll;
1218 int ret;
1219
1220 if ((ret = mg_verify_interface()) != ERROR_OK)
1221 return ret;
1222
1223 if ((ret = mg_mflash_rst()) != ERROR_OK)
1224 return ret;
1225
1226 switch (CMD_ARGC) {
1227 case 2:
1228 if (!strcmp(CMD_ARGV[1], "boot"))
1229 return mg_boot_config();
1230 else if (!strcmp(CMD_ARGV[1], "storage"))
1231 return mg_storage_config();
1232 else
1233 return ERROR_COMMAND_NOTFOUND;
1234 break;
1235 case 3:
1236 if (!strcmp(CMD_ARGV[1], "pll")) {
1237 unsigned long freq;
1238 COMMAND_PARSE_NUMBER(ulong, CMD_ARGV[2], freq);
1239 fin = freq;
1240
1241 if (fin > MG_PLL_CLK_OUT) {
1242 LOG_ERROR("mflash: input freq. is too large");
1243 return ERROR_MG_INVALID_OSC;
1244 }
1245
1246 fout = mg_calc_pll(fin, &pll);
1247
1248 if (!fout) {
1249 LOG_ERROR("mflash: cannot generate valid pll");
1250 return ERROR_MG_INVALID_PLL;
1251 }
1252
1253 LOG_INFO("mflash: Fout=%" PRIu32 " Hz, feedback=%u,"
1254 "indiv=%u, outdiv=%u, lock=%u",
1255 (uint32_t)fout, pll.feedback_div,
1256 pll.input_div, pll.output_div,
1257 pll.lock_cyc);
1258
1259 if ((ret = mg_erase_nand()) != ERROR_OK)
1260 return ret;
1261
1262 return mg_set_pll(&pll);
1263 } else
1264 return ERROR_COMMAND_NOTFOUND;
1265 break;
1266 default:
1267 return ERROR_COMMAND_SYNTAX_ERROR;
1268 }
1269 }
1270
1271 static const struct command_registration mflash_exec_command_handlers[] = {
1272 {
1273 .name = "probe",
1274 .handler = &mg_probe_cmd,
1275 .mode = COMMAND_EXEC,
1276 .help = "Detect bank configuration information",
1277 },
1278 {
1279 .name = "write",
1280 .handler = &mg_write_cmd,
1281 .mode = COMMAND_EXEC,
1282 .usage = "<num> <file> <address>",
1283 .help = "Write a file at the specified address",
1284 },
1285 {
1286 .name = "dump",
1287 .handler = &mg_dump_cmd,
1288 .mode = COMMAND_EXEC,
1289 .usage = "<num> <file> <address> <size>",
1290 .help = "Dump to a file from the specified address",
1291 },
1292 {
1293 .name = "config",
1294 .handler = &mg_config_cmd,
1295 .mode = COMMAND_EXEC,
1296 .usage = "<num> <stage>",
1297 .help = "Dump to a file from the specified address",
1298 },
1299 COMMAND_REGISTRATION_DONE
1300 };
1301
1302 int mflash_init_drivers(struct command_context *cmd_ctx)
1303 {
1304 if (!mflash_bank)
1305 return ERROR_OK;
1306 return register_commands(cmd_ctx, NULL, mflash_exec_command_handlers);
1307 }
1308
1309 COMMAND_HANDLER(handle_mflash_init_command)
1310 {
1311 if (CMD_ARGC != 0)
1312 return ERROR_COMMAND_SYNTAX_ERROR;
1313
1314 static bool mflash_initialized = false;
1315 if (mflash_initialized)
1316 {
1317 LOG_INFO("'mflash init' has already been called");
1318 return ERROR_OK;
1319 }
1320 mflash_initialized = true;
1321
1322 LOG_DEBUG("Initializing mflash devices...");
1323 return mflash_init_drivers(CMD_CTX);
1324 }
1325
1326 COMMAND_HANDLER(mg_bank_cmd)
1327 {
1328 struct target *target;
1329 int i;
1330
1331 if (CMD_ARGC < 4)
1332 {
1333 return ERROR_COMMAND_SYNTAX_ERROR;
1334 }
1335
1336 if ((target = get_target(CMD_ARGV[3])) == NULL)
1337 {
1338 LOG_ERROR("target '%s' not defined", CMD_ARGV[3]);
1339 return ERROR_FAIL;
1340 }
1341
1342 mflash_bank = calloc(sizeof(struct mflash_bank), 1);
1343 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], mflash_bank->base);
1344 /// @todo Verify how this parsing should work, then document it.
1345 char *str;
1346 mflash_bank->rst_pin.num = strtoul(CMD_ARGV[2], &str, 0);
1347 if (*str)
1348 mflash_bank->rst_pin.port[0] = (uint16_t)tolower(str[0]);
1349
1350 mflash_bank->target = target;
1351
1352 for (i = 0; mflash_gpio[i] ; i++) {
1353 if (! strcmp(mflash_gpio[i]->name, CMD_ARGV[0])) {
1354 mflash_bank->gpio_drv = mflash_gpio[i];
1355 }
1356 }
1357
1358 if (! mflash_bank->gpio_drv) {
1359 LOG_ERROR("%s is unsupported soc", CMD_ARGV[0]);
1360 return ERROR_MG_UNSUPPORTED_SOC;
1361 }
1362
1363 return ERROR_OK;
1364 }
1365
1366 static const struct command_registration mflash_config_command_handlers[] = {
1367 {
1368 .name = "bank",
1369 .handler = &mg_bank_cmd,
1370 .mode = COMMAND_CONFIG,
1371 .help = "configure a mflash device bank",
1372 .usage = "<soc> <base> <RST pin> <target #>",
1373 },
1374 {
1375 .name = "init",
1376 .mode = COMMAND_CONFIG,
1377 .handler = &handle_mflash_init_command,
1378 .help = "initialize mflash devices",
1379 },
1380 COMMAND_REGISTRATION_DONE
1381 };
1382 static const struct command_registration mflash_command_handler[] = {
1383 {
1384 .name = "mflash",
1385 .mode = COMMAND_ANY,
1386 .help = "mflash command group",
1387 .chain = mflash_config_command_handlers,
1388 },
1389 COMMAND_REGISTRATION_DONE
1390 };
1391 int mflash_register_commands(struct command_context *cmd_ctx)
1392 {
1393 return register_commands(cmd_ctx, NULL, mflash_command_handler);
1394 }
Zach's Unofficial Testing Repository