1 /***************************************************************************
2 * Copyright (C) 2007 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
5 * Copyright (C) 2010 richard vegh <vegh.ricsi@gmail.com> *
6 * Copyright (C) 2010 Oyvind Harboe <oyvind.harboe@zylin.com> *
8 * This program is free software; you can redistribute it and/or modify *
9 * it under the terms of the GNU General Public License as published by *
10 * the Free Software Foundation; either version 2 of the License, or *
11 * (at your option) any later version. *
13 * This program is distributed in the hope that it will be useful, *
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
16 * GNU General Public License for more details. *
18 * You should have received a copy of the GNU General Public License *
19 * along with this program; if not, write to the *
20 * Free Software Foundation, Inc., *
21 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
22 ***************************************************************************/
29 #include <target/target.h>
32 static int lpc3180_reset(struct nand_device
*nand
);
33 static int lpc3180_controller_ready(struct nand_device
*nand
, int timeout
);
34 static int lpc3180_tc_ready(struct nand_device
*nand
, int timeout
);
37 #define ECC_OFFS 0x120
38 #define SPARE_OFFS 0x140
39 #define DATA_OFFS 0x200
42 /* nand device lpc3180 <target#> <oscillator_frequency>
44 NAND_DEVICE_COMMAND_HANDLER(lpc3180_nand_device_command
)
48 return ERROR_COMMAND_SYNTAX_ERROR
;
52 COMMAND_PARSE_NUMBER(u32
, CMD_ARGV
[2], osc_freq
);
54 struct lpc3180_nand_controller
*lpc3180_info
;
55 lpc3180_info
= malloc(sizeof(struct lpc3180_nand_controller
));
56 nand
->controller_priv
= lpc3180_info
;
58 lpc3180_info
->osc_freq
= osc_freq
;
60 if ((lpc3180_info
->osc_freq
< 1000) || (lpc3180_info
->osc_freq
> 20000))
62 LOG_WARNING("LPC3180 oscillator frequency should be between 1000 and 20000 kHz, was %i", lpc3180_info
->osc_freq
);
64 lpc3180_info
->selected_controller
= LPC3180_NO_CONTROLLER
;
65 lpc3180_info
->sw_write_protection
= 0;
66 lpc3180_info
->sw_wp_lower_bound
= 0x0;
67 lpc3180_info
->sw_wp_upper_bound
= 0x0;
72 static int lpc3180_pll(int fclkin
, uint32_t pll_ctrl
)
74 int bypass
= (pll_ctrl
& 0x8000) >> 15;
75 int direct
= (pll_ctrl
& 0x4000) >> 14;
76 int feedback
= (pll_ctrl
& 0x2000) >> 13;
77 int p
= (1 << ((pll_ctrl
& 0x1800) >> 11) * 2);
78 int n
= ((pll_ctrl
& 0x0600) >> 9) + 1;
79 int m
= ((pll_ctrl
& 0x01fe) >> 1) + 1;
80 int lock
= (pll_ctrl
& 0x1);
83 LOG_WARNING("PLL is not locked");
85 if (!bypass
&& direct
) /* direct mode */
86 return (m
* fclkin
) / n
;
88 if (bypass
&& !direct
) /* bypass mode */
89 return fclkin
/ (2 * p
);
91 if (bypass
& direct
) /* direct bypass mode */
94 if (feedback
) /* integer mode */
95 return m
* (fclkin
/ n
);
96 else /* non-integer mode */
97 return (m
/ (2 * p
)) * (fclkin
/ n
);
100 static float lpc3180_cycle_time(struct nand_device
*nand
)
102 struct lpc3180_nand_controller
*lpc3180_info
= nand
->controller_priv
;
103 struct target
*target
= nand
->target
;
104 uint32_t sysclk_ctrl
, pwr_ctrl
, hclkdiv_ctrl
, hclkpll_ctrl
;
110 /* calculate timings */
112 /* determine current SYSCLK (13'MHz or main oscillator) */
113 target_read_u32(target
, 0x40004050, &sysclk_ctrl
);
115 if ((sysclk_ctrl
& 1) == 0)
116 sysclk
= lpc3180_info
->osc_freq
;
120 /* determine selected HCLK source */
121 target_read_u32(target
, 0x40004044, &pwr_ctrl
);
123 if ((pwr_ctrl
& (1 << 2)) == 0) /* DIRECT RUN mode */
129 target_read_u32(target
, 0x40004058, &hclkpll_ctrl
);
130 hclk_pll
= lpc3180_pll(sysclk
, hclkpll_ctrl
);
132 target_read_u32(target
, 0x40004040, &hclkdiv_ctrl
);
134 if (pwr_ctrl
& (1 << 10)) /* ARM_CLK and HCLK use PERIPH_CLK */
136 hclk
= hclk_pll
/ (((hclkdiv_ctrl
& 0x7c) >> 2) + 1);
138 else /* HCLK uses HCLK_PLL */
140 hclk
= hclk_pll
/ (1 << (hclkdiv_ctrl
& 0x3));
144 LOG_DEBUG("LPC3180 HCLK currently clocked at %i kHz", hclk
);
146 cycle
= (1.0 / hclk
) * 1000000.0;
151 static int lpc3180_init(struct nand_device
*nand
)
153 struct lpc3180_nand_controller
*lpc3180_info
= nand
->controller_priv
;
154 struct target
*target
= nand
->target
;
155 int bus_width
= nand
->bus_width
? : 8;
156 int address_cycles
= nand
->address_cycles
? : 3;
157 int page_size
= nand
->page_size
? : 512;
159 if (target
->state
!= TARGET_HALTED
)
161 LOG_ERROR("target must be halted to use LPC3180 NAND flash controller");
162 return ERROR_NAND_OPERATION_FAILED
;
165 /* sanitize arguments */
166 if ((bus_width
!= 8) && (bus_width
!= 16))
168 LOG_ERROR("LPC3180 only supports 8 or 16 bit bus width, not %i", bus_width
);
169 return ERROR_NAND_OPERATION_NOT_SUPPORTED
;
172 /* The LPC3180 only brings out 8 bit NAND data bus, but the controller
173 * would support 16 bit, too, so we just warn about this for now
177 LOG_WARNING("LPC3180 only supports 8 bit bus width");
180 /* inform calling code about selected bus width */
181 nand
->bus_width
= bus_width
;
183 if ((address_cycles
!= 3) && (address_cycles
!= 4))
185 LOG_ERROR("LPC3180 only supports 3 or 4 address cycles, not %i", address_cycles
);
186 return ERROR_NAND_OPERATION_NOT_SUPPORTED
;
189 if ((page_size
!= 512) && (page_size
!= 2048))
191 LOG_ERROR("LPC3180 only supports 512 or 2048 byte pages, not %i", page_size
);
192 return ERROR_NAND_OPERATION_NOT_SUPPORTED
;
195 /* select MLC controller if none is currently selected */
196 if (lpc3180_info
->selected_controller
== LPC3180_NO_CONTROLLER
)
198 LOG_DEBUG("no LPC3180 NAND flash controller selected, using default 'mlc'");
199 lpc3180_info
->selected_controller
= LPC3180_MLC_CONTROLLER
;
202 if (lpc3180_info
->selected_controller
== LPC3180_MLC_CONTROLLER
)
204 uint32_t mlc_icr_value
= 0x0;
206 int twp
, twh
, trp
, treh
, trhz
, trbwb
, tcea
;
208 /* FLASHCLK_CTRL = 0x22 (enable clock for MLC flash controller) */
209 target_write_u32(target
, 0x400040c8, 0x22);
211 /* MLC_CEH = 0x0 (Force nCE assert) */
212 target_write_u32(target
, 0x200b804c, 0x0);
214 /* MLC_LOCK = 0xa25e (unlock protected registers) */
215 target_write_u32(target
, 0x200b8044, 0xa25e);
217 /* MLC_ICR = configuration */
218 if (lpc3180_info
->sw_write_protection
)
219 mlc_icr_value
|= 0x8;
220 if (page_size
== 2048)
221 mlc_icr_value
|= 0x4;
222 if (address_cycles
== 4)
223 mlc_icr_value
|= 0x2;
225 mlc_icr_value
|= 0x1;
226 target_write_u32(target
, 0x200b8030, mlc_icr_value
);
228 /* calculate NAND controller timings */
229 cycle
= lpc3180_cycle_time(nand
);
231 twp
= ((40 / cycle
) + 1);
232 twh
= ((20 / cycle
) + 1);
233 trp
= ((30 / cycle
) + 1);
234 treh
= ((15 / cycle
) + 1);
235 trhz
= ((30 / cycle
) + 1);
236 trbwb
= ((100 / cycle
) + 1);
237 tcea
= ((45 / cycle
) + 1);
239 /* MLC_LOCK = 0xa25e (unlock protected registers) */
240 target_write_u32(target
, 0x200b8044, 0xa25e);
243 target_write_u32(target
, 0x200b8034, (twp
& 0xf) | ((twh
& 0xf) << 4) |
244 ((trp
& 0xf) << 8) | ((treh
& 0xf) << 12) | ((trhz
& 0x7) << 16) |
245 ((trbwb
& 0x1f) << 19) | ((tcea
& 0x3) << 24));
249 else if (lpc3180_info
->selected_controller
== LPC3180_SLC_CONTROLLER
)
252 int r_setup
, r_hold
, r_width
, r_rdy
;
253 int w_setup
, w_hold
, w_width
, w_rdy
;
255 /* FLASHCLK_CTRL = 0x05 (enable clock for SLC flash controller) */
256 target_write_u32(target
, 0x400040c8, 0x05);
258 /* after reset set other registers of SLC so reset calling is here at the begining*/
261 /* SLC_CFG = 0x (Force nCE assert, DMA ECC enabled, ECC enabled, DMA burst enabled, DMA read from SLC, WIDTH = bus_width) */
262 target_write_u32(target
, 0x20020014, 0x3e | (bus_width
== 16) ? 1 : 0);
264 /* SLC_IEN = 3 (INT_RDY_EN = 1) ,(INT_TC_STAT = 1) */
265 target_write_u32(target
, 0x20020020, 0x03);
267 /* DMA configuration */
268 /* DMACLK_CTRL = 0x01 (enable clock for DMA controller) */
269 target_write_u32(target
, 0x400040e8, 0x01);
270 /* DMACConfig = DMA enabled*/
271 target_write_u32(target
, 0x31000030, 0x01);
274 /* calculate NAND controller timings */
275 cycle
= lpc3180_cycle_time(nand
);
277 r_setup
= w_setup
= 0;
278 r_hold
= w_hold
= 10 / cycle
;
279 r_width
= 30 / cycle
;
280 w_width
= 40 / cycle
;
281 r_rdy
= w_rdy
= 100 / cycle
;
283 /* SLC_TAC: SLC timing arcs register */
284 target_write_u32(target
, 0x2002002c, (r_setup
& 0xf) | ((r_hold
& 0xf) << 4) |
285 ((r_width
& 0xf) << 8) | ((r_rdy
& 0xf) << 12) | ((w_setup
& 0xf) << 16) |
286 ((w_hold
& 0xf) << 20) | ((w_width
& 0xf) << 24) | ((w_rdy
& 0xf) << 28));
293 static int lpc3180_reset(struct nand_device
*nand
)
295 struct lpc3180_nand_controller
*lpc3180_info
= nand
->controller_priv
;
296 struct target
*target
= nand
->target
;
298 if (target
->state
!= TARGET_HALTED
)
300 LOG_ERROR("target must be halted to use LPC3180 NAND flash controller");
301 return ERROR_NAND_OPERATION_FAILED
;
304 if (lpc3180_info
->selected_controller
== LPC3180_NO_CONTROLLER
)
306 LOG_ERROR("BUG: no LPC3180 NAND flash controller selected");
307 return ERROR_NAND_OPERATION_FAILED
;
309 else if (lpc3180_info
->selected_controller
== LPC3180_MLC_CONTROLLER
)
311 /* MLC_CMD = 0xff (reset controller and NAND device) */
312 target_write_u32(target
, 0x200b8000, 0xff);
314 if (!lpc3180_controller_ready(nand
, 100))
316 LOG_ERROR("LPC3180 NAND controller timed out after reset");
317 return ERROR_NAND_OPERATION_TIMEOUT
;
320 else if (lpc3180_info
->selected_controller
== LPC3180_SLC_CONTROLLER
)
322 /* SLC_CTRL = 0x6 (ECC_CLEAR, SW_RESET) */
323 target_write_u32(target
, 0x20020010, 0x6);
325 if (!lpc3180_controller_ready(nand
, 100))
327 LOG_ERROR("LPC3180 NAND controller timed out after reset");
328 return ERROR_NAND_OPERATION_TIMEOUT
;
335 static int lpc3180_command(struct nand_device
*nand
, uint8_t command
)
337 struct lpc3180_nand_controller
*lpc3180_info
= nand
->controller_priv
;
338 struct target
*target
= nand
->target
;
340 if (target
->state
!= TARGET_HALTED
)
342 LOG_ERROR("target must be halted to use LPC3180 NAND flash controller");
343 return ERROR_NAND_OPERATION_FAILED
;
346 if (lpc3180_info
->selected_controller
== LPC3180_NO_CONTROLLER
)
348 LOG_ERROR("BUG: no LPC3180 NAND flash controller selected");
349 return ERROR_NAND_OPERATION_FAILED
;
351 else if (lpc3180_info
->selected_controller
== LPC3180_MLC_CONTROLLER
)
353 /* MLC_CMD = command */
354 target_write_u32(target
, 0x200b8000, command
);
356 else if (lpc3180_info
->selected_controller
== LPC3180_SLC_CONTROLLER
)
358 /* SLC_CMD = command */
359 target_write_u32(target
, 0x20020008, command
);
365 static int lpc3180_address(struct nand_device
*nand
, uint8_t address
)
367 struct lpc3180_nand_controller
*lpc3180_info
= nand
->controller_priv
;
368 struct target
*target
= nand
->target
;
370 if (target
->state
!= TARGET_HALTED
)
372 LOG_ERROR("target must be halted to use LPC3180 NAND flash controller");
373 return ERROR_NAND_OPERATION_FAILED
;
376 if (lpc3180_info
->selected_controller
== LPC3180_NO_CONTROLLER
)
378 LOG_ERROR("BUG: no LPC3180 NAND flash controller selected");
379 return ERROR_NAND_OPERATION_FAILED
;
381 else if (lpc3180_info
->selected_controller
== LPC3180_MLC_CONTROLLER
)
383 /* MLC_ADDR = address */
384 target_write_u32(target
, 0x200b8004, address
);
386 else if (lpc3180_info
->selected_controller
== LPC3180_SLC_CONTROLLER
)
388 /* SLC_ADDR = address */
389 target_write_u32(target
, 0x20020004, address
);
395 static int lpc3180_write_data(struct nand_device
*nand
, uint16_t data
)
397 struct lpc3180_nand_controller
*lpc3180_info
= nand
->controller_priv
;
398 struct target
*target
= nand
->target
;
400 if (target
->state
!= TARGET_HALTED
)
402 LOG_ERROR("target must be halted to use LPC3180 NAND flash controller");
403 return ERROR_NAND_OPERATION_FAILED
;
406 if (lpc3180_info
->selected_controller
== LPC3180_NO_CONTROLLER
)
408 LOG_ERROR("BUG: no LPC3180 NAND flash controller selected");
409 return ERROR_NAND_OPERATION_FAILED
;
411 else if (lpc3180_info
->selected_controller
== LPC3180_MLC_CONTROLLER
)
413 /* MLC_DATA = data */
414 target_write_u32(target
, 0x200b0000, data
);
416 else if (lpc3180_info
->selected_controller
== LPC3180_SLC_CONTROLLER
)
418 /* SLC_DATA = data */
419 target_write_u32(target
, 0x20020000, data
);
425 static int lpc3180_read_data(struct nand_device
*nand
, void *data
)
427 struct lpc3180_nand_controller
*lpc3180_info
= nand
->controller_priv
;
428 struct target
*target
= nand
->target
;
430 if (target
->state
!= TARGET_HALTED
)
432 LOG_ERROR("target must be halted to use LPC3180 NAND flash controller");
433 return ERROR_NAND_OPERATION_FAILED
;
436 if (lpc3180_info
->selected_controller
== LPC3180_NO_CONTROLLER
)
438 LOG_ERROR("BUG: no LPC3180 NAND flash controller selected");
439 return ERROR_NAND_OPERATION_FAILED
;
441 else if (lpc3180_info
->selected_controller
== LPC3180_MLC_CONTROLLER
)
443 /* data = MLC_DATA, use sized access */
444 if (nand
->bus_width
== 8)
446 uint8_t *data8
= data
;
447 target_read_u8(target
, 0x200b0000, data8
);
449 else if (nand
->bus_width
== 16)
451 uint16_t *data16
= data
;
452 target_read_u16(target
, 0x200b0000, data16
);
456 LOG_ERROR("BUG: bus_width neither 8 nor 16 bit");
457 return ERROR_NAND_OPERATION_FAILED
;
460 else if (lpc3180_info
->selected_controller
== LPC3180_SLC_CONTROLLER
)
464 /* data = SLC_DATA, must use 32-bit access */
465 target_read_u32(target
, 0x20020000, &data32
);
467 if (nand
->bus_width
== 8)
469 uint8_t *data8
= data
;
470 *data8
= data32
& 0xff;
472 else if (nand
->bus_width
== 16)
474 uint16_t *data16
= data
;
475 *data16
= data32
& 0xffff;
479 LOG_ERROR("BUG: bus_width neither 8 nor 16 bit");
480 return ERROR_NAND_OPERATION_FAILED
;
487 static int lpc3180_write_page(struct nand_device
*nand
, uint32_t page
, uint8_t *data
, uint32_t data_size
, uint8_t *oob
, uint32_t oob_size
)
489 struct lpc3180_nand_controller
*lpc3180_info
= nand
->controller_priv
;
490 struct target
*target
= nand
->target
;
493 uint8_t *page_buffer
;
495 if (target
->state
!= TARGET_HALTED
)
497 LOG_ERROR("target must be halted to use LPC3180 NAND flash controller");
498 return ERROR_NAND_OPERATION_FAILED
;
501 if (lpc3180_info
->selected_controller
== LPC3180_NO_CONTROLLER
)
503 LOG_ERROR("BUG: no LPC3180 NAND flash controller selected");
504 return ERROR_NAND_OPERATION_FAILED
;
506 else if (lpc3180_info
->selected_controller
== LPC3180_MLC_CONTROLLER
)
509 int quarter
, num_quarters
;
513 LOG_ERROR("LPC3180 MLC controller can't write OOB data only");
514 return ERROR_NAND_OPERATION_NOT_SUPPORTED
;
517 if (oob
&& (oob_size
> 24))
519 LOG_ERROR("LPC3180 MLC controller can't write more "
520 "than 6 bytes for each quarter's OOB data");
521 return ERROR_NAND_OPERATION_NOT_SUPPORTED
;
524 if (data_size
> (uint32_t)nand
->page_size
)
526 LOG_ERROR("data size exceeds page size");
527 return ERROR_NAND_OPERATION_NOT_SUPPORTED
;
530 /* MLC_CMD = sequential input */
531 target_write_u32(target
, 0x200b8000, NAND_CMD_SEQIN
);
533 page_buffer
= malloc(512);
534 oob_buffer
= malloc(6);
536 if (nand
->page_size
== 512)
538 /* MLC_ADDR = 0x0 (one column cycle) */
539 target_write_u32(target
, 0x200b8004, 0x0);
542 target_write_u32(target
, 0x200b8004, page
& 0xff);
543 target_write_u32(target
, 0x200b8004, (page
>> 8) & 0xff);
545 if (nand
->address_cycles
== 4)
546 target_write_u32(target
, 0x200b8004, (page
>> 16) & 0xff);
550 /* MLC_ADDR = 0x0 (two column cycles) */
551 target_write_u32(target
, 0x200b8004, 0x0);
552 target_write_u32(target
, 0x200b8004, 0x0);
555 target_write_u32(target
, 0x200b8004, page
& 0xff);
556 target_write_u32(target
, 0x200b8004, (page
>> 8) & 0xff);
559 /* when using the MLC controller, we have to treat a large page device
560 * as being made out of four quarters, each the size of a small page device
562 num_quarters
= (nand
->page_size
== 2048) ? 4 : 1;
564 for (quarter
= 0; quarter
< num_quarters
; quarter
++)
566 int thisrun_data_size
= (data_size
> 512) ? 512 : data_size
;
567 int thisrun_oob_size
= (oob_size
> 6) ? 6 : oob_size
;
569 memset(page_buffer
, 0xff, 512);
572 memcpy(page_buffer
, data
, thisrun_data_size
);
573 data_size
-= thisrun_data_size
;
574 data
+= thisrun_data_size
;
577 memset(oob_buffer
, 0xff, 6);
580 memcpy(oob_buffer
, oob
, thisrun_oob_size
);
581 oob_size
-= thisrun_oob_size
;
582 oob
+= thisrun_oob_size
;
585 /* write MLC_ECC_ENC_REG to start encode cycle */
586 target_write_u32(target
, 0x200b8008, 0x0);
588 target_write_memory(target
, 0x200a8000,
589 4, 128, page_buffer
);
590 target_write_memory(target
, 0x200a8000,
593 /* write MLC_ECC_AUTO_ENC_REG to start auto encode */
594 target_write_u32(target
, 0x200b8010, 0x0);
596 if (!lpc3180_controller_ready(nand
, 1000))
598 LOG_ERROR("timeout while waiting for completion of auto encode cycle");
599 return ERROR_NAND_OPERATION_FAILED
;
603 /* MLC_CMD = auto program command */
604 target_write_u32(target
, 0x200b8000, NAND_CMD_PAGEPROG
);
606 if ((retval
= nand_read_status(nand
, &status
)) != ERROR_OK
)
608 LOG_ERROR("couldn't read status");
609 return ERROR_NAND_OPERATION_FAILED
;
612 if (status
& NAND_STATUS_FAIL
)
614 LOG_ERROR("write operation didn't pass, status: 0x%2.2x", status
);
615 return ERROR_NAND_OPERATION_FAILED
;
621 else if (lpc3180_info
->selected_controller
== LPC3180_SLC_CONTROLLER
)
624 /**********************************************************************
625 * Write both SLC NAND flash page main area and spare area.
627 * ------------------------------------------
628 * | 512 bytes main | 16 bytes spare |
629 * ------------------------------------------
631 * ------------------------------------------
632 * | 2048 bytes main | 64 bytes spare |
633 * ------------------------------------------
634 * If DMA & ECC enabled, then the ECC generated for the 1st 256-byte
635 * data is written to the 3rd word of the spare area. The ECC
636 * generated for the 2nd 256-byte data is written to the 4th word
637 * of the spare area. The ECC generated for the 3rd 256-byte data is
638 * written to the 7th word of the spare area. The ECC generated
639 * for the 4th 256-byte data is written to the 8th word of the
640 * spare area and so on.
642 **********************************************************************/
644 int i
=0,target_mem_base
;
645 uint8_t *ecc_flash_buffer
;
646 struct working_area
*pworking_area
;
649 if(lpc3180_info
->is_bulk
){
652 /*if oob only mode is active original method is used as SLC controller hangs during DMA interworking. Anyway the code supports the oob only mode below. */
653 return nand_write_page_raw(nand
, page
, data
, data_size
, oob
, oob_size
);
655 retval
= nand_page_command(nand
, page
, NAND_CMD_SEQIN
, !data
);
656 if (ERROR_OK
!= retval
)
659 /* allocate a working area */
660 if (target
->working_area_size
< (uint32_t) nand
->page_size
+ 0x200){
661 LOG_ERROR("Reserve at least 0x%x physical target working area",nand
->page_size
+ 0x200);
662 return ERROR_FLASH_OPERATION_FAILED
;
664 if (target
->working_area_phys
%4){
665 LOG_ERROR("Reserve the physical target working area at word boundary");
666 return ERROR_FLASH_OPERATION_FAILED
;
668 if (target_alloc_working_area(target
, target
->working_area_size
, &pworking_area
) != ERROR_OK
)
670 LOG_ERROR("no working area specified, can't read LPC internal flash");
671 return ERROR_FLASH_OPERATION_FAILED
;
673 target_mem_base
= target
->working_area_phys
;
676 if (nand
->page_size
== 2048)
678 page_buffer
= malloc(2048);
682 page_buffer
= malloc(512);
685 ecc_flash_buffer
= malloc(64);
687 /* SLC_CFG = 0x (Force nCE assert, DMA ECC enabled, ECC enabled, DMA burst enabled, DMA write to SLC, WIDTH = bus_width) */
688 target_write_u32(target
, 0x20020014, 0x3c);
691 /* set DMA LLI-s in target memory and in DMA*/
692 for(i
=0;i
<nand
->page_size
/0x100;i
++){
695 /* -------LLI for 256 byte block---------*/
696 /* DMACC0SrcAddr = SRAM */
697 target_write_u32(target
,target_mem_base
+0+i
*32,target_mem_base
+DATA_OFFS
+i
*256 );
698 if(i
==0) target_write_u32(target
,0x31000100,target_mem_base
+DATA_OFFS
);
699 /* DMACCxDestAddr = SLC_DMA_DATA */
700 target_write_u32(target
,target_mem_base
+4+i
*32,0x20020038 );
701 if(i
==0) target_write_u32(target
,0x31000104,0x20020038 );
702 /* DMACCxLLI = next element */
703 tmp
= (target_mem_base
+(1+i
*2)*16)&0xfffffffc;
704 target_write_u32(target
,target_mem_base
+8+i
*32, tmp
);
705 if(i
==0) target_write_u32(target
,0x31000108, tmp
);
706 /* DMACCxControl = TransferSize =64, Source burst size =16, Destination burst size = 16, Source transfer width = 32 bit,
707 Destination transfer width = 32 bit, Source AHB master select = M0, Destination AHB master select = M0, Source increment = 1,
708 Destination increment = 0, Terminal count interrupt enable bit = 0*/
709 target_write_u32(target
,target_mem_base
+12+i
*32,0x40 | 3<<12 | 3<<15 | 2<<18 | 2<<21 | 0<<24 | 0<<25 | 1<<26 | 0<<27| 0<<31);
710 if(i
==0) target_write_u32(target
,0x3100010c,0x40 | 3<<12 | 3<<15 | 2<<18 | 2<<21 | 0<<24 | 0<<25 | 1<<26 | 0<<27| 0<<31);
712 /* -------LLI for 3 byte ECC---------*/
713 /* DMACC0SrcAddr = SLC_ECC*/
714 target_write_u32(target
,target_mem_base
+16+i
*32,0x20020034 );
715 /* DMACCxDestAddr = SRAM */
716 target_write_u32(target
,target_mem_base
+20+i
*32,target_mem_base
+SPARE_OFFS
+8+16*(i
>>1)+(i
%2)*4 );
717 /* DMACCxLLI = next element */
718 tmp
= (target_mem_base
+(2+i
*2)*16)&0xfffffffc;
719 target_write_u32(target
,target_mem_base
+24+i
*32, tmp
);
720 /* DMACCxControl = TransferSize =1, Source burst size =4, Destination burst size = 4, Source transfer width = 32 bit,
721 Destination transfer width = 32 bit, Source AHB master select = M0, Destination AHB master select = M0, Source increment = 0,
722 Destination increment = 1, Terminal count interrupt enable bit = 0*/
723 target_write_u32(target
,target_mem_base
+28+i
*32,0x01 | 1<<12 | 1<<15 | 2<<18 | 2<<21 | 0<<24 | 0<<25 | 0<<26 | 1<<27| 0<<31);
726 else if (data
&& oob
){
727 /* -------LLI for 512 or 2048 bytes page---------*/
728 /* DMACC0SrcAddr = SRAM */
729 target_write_u32(target
,target_mem_base
,target_mem_base
+DATA_OFFS
);
730 target_write_u32(target
,0x31000100,target_mem_base
+DATA_OFFS
);
731 /* DMACCxDestAddr = SLC_DMA_DATA */
732 target_write_u32(target
,target_mem_base
+4,0x20020038 );
733 target_write_u32(target
,0x31000104,0x20020038 );
734 /* DMACCxLLI = next element */
735 target_write_u32(target
,target_mem_base
+8, (target_mem_base
+32)&0xfffffffc );
736 target_write_u32(target
,0x31000108, (target_mem_base
+32)&0xfffffffc );
737 /* DMACCxControl = TransferSize =512 or 128, Source burst size =16, Destination burst size = 16, Source transfer width = 32 bit,
738 Destination transfer width = 32 bit, Source AHB master select = M0, Destination AHB master select = M0, Source increment = 1,
739 Destination increment = 0, Terminal count interrupt enable bit = 0*/
740 target_write_u32(target
,target_mem_base
+12,(nand
->page_size
==2048?512:128) | 3<<12 | 3<<15 | 2<<18 | 2<<21 | 0<<24 | 0<<25 | 1<<26 | 0<<27| 0<<31);
741 target_write_u32(target
,0x3100010c,(nand
->page_size
==2048?512:128) | 3<<12 | 3<<15 | 2<<18 | 2<<21 | 0<<24 | 0<<25 | 1<<26 | 0<<27| 0<<31);
744 else if (!data
&& oob
){
748 /* -------LLI for spare area---------*/
749 /* DMACC0SrcAddr = SRAM*/
750 target_write_u32(target
,target_mem_base
+0+i
*32,target_mem_base
+SPARE_OFFS
);
751 if(i
==0) target_write_u32(target
,0x31000100,target_mem_base
+SPARE_OFFS
);
752 /* DMACCxDestAddr = SLC_DMA_DATA */
753 target_write_u32(target
,target_mem_base
+4+i
*32,0x20020038 );
754 if(i
==0) target_write_u32(target
,0x31000104,0x20020038 );
755 /* DMACCxLLI = next element = NULL */
756 target_write_u32(target
,target_mem_base
+8+i
*32, 0 );
757 if(i
==0) target_write_u32(target
,0x31000108,0 );
758 /* DMACCxControl = TransferSize =16 for large page or 4 for small page, Source burst size =16, Destination burst size = 16, Source transfer width = 32 bit,
759 Destination transfer width = 32 bit, Source AHB master select = M0, Destination AHB master select = M0, Source increment = 1,
760 Destination increment = 0, Terminal count interrupt enable bit = 0*/
761 target_write_u32(target
,target_mem_base
+12+i
*32, (nand
->page_size
==2048?0x10:0x04) | 3<<12 | 3<<15 | 2<<18 | 2<<21 | 0<<24 | 0<<25 | 1<<26 | 0<<27| 0<<31);
762 if(i
==0) target_write_u32(target
,0x3100010c,(nand
->page_size
==2048?0x10:0x04) | 3<<12 | 3<<15 | 2<<18 | 2<<21 | 0<<24 | 0<<25 | 1<<26 | 0<<27| 0<<31 );
766 memset(ecc_flash_buffer
, 0xff, 64);
768 memcpy(ecc_flash_buffer
,oob
, oob_size
);
770 target_write_memory(target
, target_mem_base
+SPARE_OFFS
, 4, 16, ecc_flash_buffer
);
773 memset(page_buffer
, 0xff, nand
->page_size
== 2048?2048:512);
774 memcpy(page_buffer
,data
, data_size
);
775 target_write_memory(target
, target_mem_base
+DATA_OFFS
, 4, nand
->page_size
== 2048?512:128, page_buffer
);
779 free(ecc_flash_buffer
);
781 /* Enable DMA after channel set up !
782 LLI only works when DMA is the flow controller!
784 /* DMACCxConfig= E=1, SrcPeripheral = 1 (SLC), DestPeripheral = 1 (SLC), FlowCntrl = 2 (Pher -> Mem, DMA), IE = 0, ITC = 0, L= 0, H=0*/
785 target_write_u32(target
,0x31000110, 1 | 1<<1 | 1<<6 | 2<<11 | 0<<14 | 0<<15 | 0<<16 | 0<<18);
789 /* SLC_CTRL = 3 (START DMA), ECC_CLEAR */
790 target_write_u32(target
, 0x20020010, 0x3);
792 /* SLC_ICR = 2, INT_TC_CLR, clear pending TC*/
793 target_write_u32(target
, 0x20020028, 2);
797 target_write_u32(target
, 0x20020030, (nand
->page_size
==2048?0x10:0x04));
799 target_write_u32(target
, 0x20020030, (nand
->page_size
==2048?0x840:0x210));
801 nand_write_finish(nand
);
804 if (!lpc3180_tc_ready(nand
, 1000))
806 LOG_ERROR("timeout while waiting for completion of DMA");
807 return ERROR_NAND_OPERATION_FAILED
;
810 target_free_working_area(target
,pworking_area
);
812 LOG_INFO("Page = 0x%" PRIx32
" was written.",page
);
816 return nand_write_page_raw(nand
, page
, data
, data_size
, oob
, oob_size
);
823 static int lpc3180_read_page(struct nand_device
*nand
, uint32_t page
, uint8_t *data
, uint32_t data_size
, uint8_t *oob
, uint32_t oob_size
)
825 struct lpc3180_nand_controller
*lpc3180_info
= nand
->controller_priv
;
826 struct target
*target
= nand
->target
;
827 uint8_t *page_buffer
;
829 if (target
->state
!= TARGET_HALTED
)
831 LOG_ERROR("target must be halted to use LPC3180 NAND flash controller");
832 return ERROR_NAND_OPERATION_FAILED
;
835 if (lpc3180_info
->selected_controller
== LPC3180_NO_CONTROLLER
)
837 LOG_ERROR("BUG: no LPC3180 NAND flash controller selected");
838 return ERROR_NAND_OPERATION_FAILED
;
840 else if (lpc3180_info
->selected_controller
== LPC3180_MLC_CONTROLLER
)
843 uint32_t page_bytes_done
= 0;
844 uint32_t oob_bytes_done
= 0;
848 if (oob
&& (oob_size
> 6))
850 LOG_ERROR("LPC3180 MLC controller can't read more than 6 bytes of OOB data");
851 return ERROR_NAND_OPERATION_NOT_SUPPORTED
;
855 if (data_size
> (uint32_t)nand
->page_size
)
857 LOG_ERROR("data size exceeds page size");
858 return ERROR_NAND_OPERATION_NOT_SUPPORTED
;
861 if (nand
->page_size
== 2048)
863 page_buffer
= malloc(2048);
864 oob_buffer
= malloc(64);
868 page_buffer
= malloc(512);
869 oob_buffer
= malloc(16);
874 /* MLC_CMD = Read OOB
875 * we can use the READOOB command on both small and large page devices,
876 * as the controller translates the 0x50 command to a 0x0 with appropriate
877 * positioning of the serial buffer read pointer
879 target_write_u32(target
, 0x200b8000, NAND_CMD_READOOB
);
883 /* MLC_CMD = Read0 */
884 target_write_u32(target
, 0x200b8000, NAND_CMD_READ0
);
887 if (nand
->page_size
== 512)
889 /* small page device */
890 /* MLC_ADDR = 0x0 (one column cycle) */
891 target_write_u32(target
, 0x200b8004, 0x0);
894 target_write_u32(target
, 0x200b8004, page
& 0xff);
895 target_write_u32(target
, 0x200b8004, (page
>> 8) & 0xff);
897 if (nand
->address_cycles
== 4)
898 target_write_u32(target
, 0x200b8004, (page
>> 16) & 0xff);
902 /* large page device */
903 /* MLC_ADDR = 0x0 (two column cycles) */
904 target_write_u32(target
, 0x200b8004, 0x0);
905 target_write_u32(target
, 0x200b8004, 0x0);
908 target_write_u32(target
, 0x200b8004, page
& 0xff);
909 target_write_u32(target
, 0x200b8004, (page
>> 8) & 0xff);
911 /* MLC_CMD = Read Start */
912 target_write_u32(target
, 0x200b8000, NAND_CMD_READSTART
);
915 while (page_bytes_done
< (uint32_t)nand
->page_size
)
917 /* MLC_ECC_AUTO_DEC_REG = dummy */
918 target_write_u32(target
, 0x200b8014, 0xaa55aa55);
920 if (!lpc3180_controller_ready(nand
, 1000))
922 LOG_ERROR("timeout while waiting for completion of auto decode cycle");
923 return ERROR_NAND_OPERATION_FAILED
;
926 target_read_u32(target
, 0x200b8048, &mlc_isr
);
932 LOG_ERROR("uncorrectable error detected: 0x%2.2x", (unsigned)mlc_isr
);
933 return ERROR_NAND_OPERATION_FAILED
;
936 LOG_WARNING("%i symbol error detected and corrected", ((int)(((mlc_isr
& 0x30) >> 4) + 1)));
941 target_read_memory(target
, 0x200a8000, 4, 128, page_buffer
+ page_bytes_done
);
946 target_read_memory(target
, 0x200a8000, 4, 4, oob_buffer
+ oob_bytes_done
);
949 page_bytes_done
+= 512;
950 oob_bytes_done
+= 16;
954 memcpy(data
, page_buffer
, data_size
);
957 memcpy(oob
, oob_buffer
, oob_size
);
962 else if (lpc3180_info
->selected_controller
== LPC3180_SLC_CONTROLLER
)
965 /**********************************************************************
966 * Read both SLC NAND flash page main area and spare area.
968 * ------------------------------------------
969 * | 512 bytes main | 16 bytes spare |
970 * ------------------------------------------
972 * ------------------------------------------
973 * | 2048 bytes main | 64 bytes spare |
974 * ------------------------------------------
975 * If DMA & ECC enabled, then the ECC generated for the 1st 256-byte
976 * data is compared with the 3rd word of the spare area. The ECC
977 * generated for the 2nd 256-byte data is compared with the 4th word
978 * of the spare area. The ECC generated for the 3rd 256-byte data is
979 * compared with the 7th word of the spare area. The ECC generated
980 * for the 4th 256-byte data is compared with the 8th word of the
981 * spare area and so on.
983 **********************************************************************/
985 int retval
,i
,target_mem_base
;
986 uint8_t *ecc_hw_buffer
;
987 uint8_t *ecc_flash_buffer
;
988 struct working_area
*pworking_area
;
990 if(lpc3180_info
->is_bulk
){
992 /* read always the data and also oob areas*/
994 retval
= nand_page_command(nand
, page
, NAND_CMD_READ0
, 0);
995 if (ERROR_OK
!= retval
)
998 /* allocate a working area */
999 if (target
->working_area_size
< (uint32_t) nand
->page_size
+ 0x200){
1000 LOG_ERROR("Reserve at least 0x%x physical target working area",nand
->page_size
+ 0x200);
1001 return ERROR_FLASH_OPERATION_FAILED
;
1003 if (target
->working_area_phys
%4){
1004 LOG_ERROR("Reserve the physical target working area at word boundary");
1005 return ERROR_FLASH_OPERATION_FAILED
;
1007 if (target_alloc_working_area(target
, target
->working_area_size
, &pworking_area
) != ERROR_OK
)
1009 LOG_ERROR("no working area specified, can't read LPC internal flash");
1010 return ERROR_FLASH_OPERATION_FAILED
;
1012 target_mem_base
= target
->working_area_phys
;
1014 if (nand
->page_size
== 2048)
1016 page_buffer
= malloc(2048);
1020 page_buffer
= malloc(512);
1023 ecc_hw_buffer
= malloc(32);
1024 ecc_flash_buffer
= malloc(64);
1026 /* SLC_CFG = 0x (Force nCE assert, DMA ECC enabled, ECC enabled, DMA burst enabled, DMA read from SLC, WIDTH = bus_width) */
1027 target_write_u32(target
, 0x20020014, 0x3e);
1029 /* set DMA LLI-s in target memory and in DMA*/
1030 for(i
=0;i
<nand
->page_size
/0x100;i
++){
1032 /* -------LLI for 256 byte block---------*/
1033 /* DMACC0SrcAddr = SLC_DMA_DATA*/
1034 target_write_u32(target
,target_mem_base
+0+i
*32,0x20020038 );
1035 if(i
==0) target_write_u32(target
,0x31000100,0x20020038 );
1036 /* DMACCxDestAddr = SRAM */
1037 target_write_u32(target
,target_mem_base
+4+i
*32,target_mem_base
+DATA_OFFS
+i
*256 );
1038 if(i
==0) target_write_u32(target
,0x31000104,target_mem_base
+DATA_OFFS
);
1039 /* DMACCxLLI = next element */
1040 tmp
= (target_mem_base
+(1+i
*2)*16)&0xfffffffc;
1041 target_write_u32(target
,target_mem_base
+8+i
*32, tmp
);
1042 if(i
==0) target_write_u32(target
,0x31000108, tmp
);
1043 /* DMACCxControl = TransferSize =64, Source burst size =16, Destination burst size = 16, Source transfer width = 32 bit,
1044 Destination transfer width = 32 bit, Source AHB master select = M0, Destination AHB master select = M0, Source increment = 0,
1045 Destination increment = 1, Terminal count interrupt enable bit = 0*/
1046 target_write_u32(target
,target_mem_base
+12+i
*32,0x40 | 3<<12 | 3<<15 | 2<<18 | 2<<21 | 0<<24 | 0<<25 | 0<<26 | 1<<27| 0<<31);
1047 if(i
==0) target_write_u32(target
,0x3100010c,0x40 | 3<<12 | 3<<15 | 2<<18 | 2<<21 | 0<<24 | 0<<25 | 0<<26 | 1<<27| 0<<31);
1049 /* -------LLI for 3 byte ECC---------*/
1050 /* DMACC0SrcAddr = SLC_ECC*/
1051 target_write_u32(target
,target_mem_base
+16+i
*32,0x20020034 );
1052 /* DMACCxDestAddr = SRAM */
1053 target_write_u32(target
,target_mem_base
+20+i
*32,target_mem_base
+ECC_OFFS
+i
*4 );
1054 /* DMACCxLLI = next element */
1055 tmp
= (target_mem_base
+(2+i
*2)*16)&0xfffffffc;
1056 target_write_u32(target
,target_mem_base
+24+i
*32, tmp
);
1057 /* DMACCxControl = TransferSize =1, Source burst size =4, Destination burst size = 4, Source transfer width = 32 bit,
1058 Destination transfer width = 32 bit, Source AHB master select = M0, Destination AHB master select = M0, Source increment = 0,
1059 Destination increment = 1, Terminal count interrupt enable bit = 0*/
1060 target_write_u32(target
,target_mem_base
+28+i
*32,0x01 | 1<<12 | 1<<15 | 2<<18 | 2<<21 | 0<<24 | 0<<25 | 0<<26 | 1<<27| 0<<31);
1065 /* -------LLI for spare area---------*/
1066 /* DMACC0SrcAddr = SLC_DMA_DATA*/
1067 target_write_u32(target
,target_mem_base
+0+i
*32,0x20020038 );
1068 /* DMACCxDestAddr = SRAM */
1069 target_write_u32(target
,target_mem_base
+4+i
*32,target_mem_base
+SPARE_OFFS
);
1070 /* DMACCxLLI = next element = NULL */
1071 target_write_u32(target
,target_mem_base
+8+i
*32, 0 );
1072 /* DMACCxControl = TransferSize =16 for large page or 4 for small page, Source burst size =16, Destination burst size = 16, Source transfer width = 32 bit,
1073 Destination transfer width = 32 bit, Source AHB master select = M0, Destination AHB master select = M0, Source increment = 0,
1074 Destination increment = 1, Terminal count interrupt enable bit = 0*/
1075 target_write_u32(target
,target_mem_base
+12+i
*32, (nand
->page_size
==2048?0x10:0x04) | 3<<12 | 3<<15 | 2<<18 | 2<<21 | 0<<24 | 0<<25 | 0<<26 | 1<<27| 0<<31);
1077 /* Enable DMA after channel set up !
1078 LLI only works when DMA is the flow controller!
1080 /* DMACCxConfig= E=1, SrcPeripheral = 1 (SLC), DestPeripheral = 1 (SLC), FlowCntrl = 2 (Pher-> Mem, DMA), IE = 0, ITC = 0, L= 0, H=0*/
1081 target_write_u32(target
,0x31000110, 1 | 1<<1 | 1<<6 | 2<<11 | 0<<14 | 0<<15 | 0<<16 | 0<<18);
1084 /* SLC_CTRL = 3 (START DMA), ECC_CLEAR */
1085 target_write_u32(target
, 0x20020010, 0x3);
1087 /* SLC_ICR = 2, INT_TC_CLR, clear pending TC*/
1088 target_write_u32(target
, 0x20020028, 2);
1091 target_write_u32(target
, 0x20020030, (nand
->page_size
==2048?0x840:0x210));
1093 if (!lpc3180_tc_ready(nand
, 1000))
1095 LOG_ERROR("timeout while waiting for completion of DMA");
1097 free(ecc_hw_buffer
);
1098 free(ecc_flash_buffer
);
1099 target_free_working_area(target
,pworking_area
);
1100 return ERROR_NAND_OPERATION_FAILED
;
1104 target_read_memory(target
, target_mem_base
+DATA_OFFS
, 4, nand
->page_size
== 2048?512:128, page_buffer
);
1105 memcpy(data
, page_buffer
, data_size
);
1107 LOG_INFO("Page = 0x%" PRIx32
" was read.",page
);
1109 /* check hw generated ECC for each 256 bytes block with the saved ECC in flash spare area*/
1110 int idx
= nand
->page_size
/0x200 ;
1111 target_read_memory(target
, target_mem_base
+SPARE_OFFS
, 4, 16, ecc_flash_buffer
);
1112 target_read_memory(target
, target_mem_base
+ECC_OFFS
, 4, 8, ecc_hw_buffer
);
1114 if( (0x00ffffff&*(uint32_t *)(void *)(ecc_hw_buffer
+i
*8)) != (0x00ffffff&*(uint32_t *)(void *)(ecc_flash_buffer
+8+i
*16)) )
1115 LOG_WARNING("ECC mismatch at 256 bytes size block= %d at page= 0x%" PRIx32
,i
*2+1,page
);
1116 if( (0x00ffffff&*(uint32_t *)(void *)(ecc_hw_buffer
+4+i
*8)) != (0x00ffffff&*(uint32_t *)(void *)(ecc_flash_buffer
+12+i
*16)) )
1117 LOG_WARNING("ECC mismatch at 256 bytes size block= %d at page= 0x%" PRIx32
,i
*2+2,page
);
1122 memcpy(oob
, ecc_flash_buffer
, oob_size
);
1125 free(ecc_hw_buffer
);
1126 free(ecc_flash_buffer
);
1128 target_free_working_area(target
,pworking_area
);
1132 return nand_read_page_raw(nand
, page
, data
, data_size
, oob
, oob_size
);
1138 static int lpc3180_controller_ready(struct nand_device
*nand
, int timeout
)
1140 struct lpc3180_nand_controller
*lpc3180_info
= nand
->controller_priv
;
1141 struct target
*target
= nand
->target
;
1143 if (target
->state
!= TARGET_HALTED
)
1145 LOG_ERROR("target must be halted to use LPC3180 NAND flash controller");
1146 return ERROR_NAND_OPERATION_FAILED
;
1149 LOG_DEBUG("lpc3180_controller_ready count start=%d", timeout
);
1153 if (lpc3180_info
->selected_controller
== LPC3180_MLC_CONTROLLER
)
1157 /* Read MLC_ISR, wait for controller to become ready */
1158 target_read_u8(target
, 0x200b8048, &status
);
1161 LOG_DEBUG("lpc3180_controller_ready count=%d",
1166 else if (lpc3180_info
->selected_controller
== LPC3180_SLC_CONTROLLER
)
1170 /* Read SLC_STAT and check READY bit */
1171 target_read_u32(target
, 0x20020018, &status
);
1174 LOG_DEBUG("lpc3180_controller_ready count=%d",
1181 } while (timeout
-- > 0);
1186 static int lpc3180_nand_ready(struct nand_device
*nand
, int timeout
)
1188 struct lpc3180_nand_controller
*lpc3180_info
= nand
->controller_priv
;
1189 struct target
*target
= nand
->target
;
1191 if (target
->state
!= TARGET_HALTED
)
1193 LOG_ERROR("target must be halted to use LPC3180 NAND flash controller");
1194 return ERROR_NAND_OPERATION_FAILED
;
1197 LOG_DEBUG("lpc3180_nand_ready count start=%d", timeout
);
1201 if (lpc3180_info
->selected_controller
== LPC3180_MLC_CONTROLLER
)
1203 uint8_t status
= 0x0;
1205 /* Read MLC_ISR, wait for NAND flash device to become ready */
1206 target_read_u8(target
, 0x200b8048, &status
);
1209 LOG_DEBUG("lpc3180_nand_ready count end=%d",
1214 else if (lpc3180_info
->selected_controller
== LPC3180_SLC_CONTROLLER
)
1216 uint32_t status
= 0x0;
1218 /* Read SLC_STAT and check READY bit */
1219 target_read_u32(target
, 0x20020018, &status
);
1222 LOG_DEBUG("lpc3180_nand_ready count end=%d",
1229 } while (timeout
-- > 0);
1234 static int lpc3180_tc_ready(struct nand_device
*nand
, int timeout
)
1236 struct lpc3180_nand_controller
*lpc3180_info
= nand
->controller_priv
;
1237 struct target
*target
= nand
->target
;
1239 if (target
->state
!= TARGET_HALTED
)
1241 LOG_ERROR("target must be halted to use LPC3180 NAND flash controller");
1242 return ERROR_NAND_OPERATION_FAILED
;
1245 LOG_DEBUG("lpc3180_tc_ready count start=%d",
1250 if (lpc3180_info
->selected_controller
== LPC3180_SLC_CONTROLLER
)
1252 uint32_t status
= 0x0;
1253 /* Read SLC_INT_STAT and check INT_TC_STAT bit */
1254 target_read_u32(target
, 0x2002001c, &status
);
1257 LOG_DEBUG("lpc3180_tc_ready count=%d",
1264 } while (timeout
-- > 0);
1270 COMMAND_HANDLER(handle_lpc3180_select_command
)
1272 struct lpc3180_nand_controller
*lpc3180_info
= NULL
;
1278 if ((CMD_ARGC
< 1) || (CMD_ARGC
> 3))
1280 return ERROR_COMMAND_SYNTAX_ERROR
;
1284 COMMAND_PARSE_NUMBER(uint
, CMD_ARGV
[0], num
);
1285 struct nand_device
*nand
= get_nand_device_by_num(num
);
1288 command_print(CMD_CTX
, "nand device '#%s' is out of bounds", CMD_ARGV
[0]);
1292 lpc3180_info
= nand
->controller_priv
;
1296 if (strcmp(CMD_ARGV
[1], "mlc") == 0)
1298 lpc3180_info
->selected_controller
= LPC3180_MLC_CONTROLLER
;
1300 else if (strcmp(CMD_ARGV
[1], "slc") == 0)
1302 lpc3180_info
->selected_controller
= LPC3180_SLC_CONTROLLER
;
1303 if (CMD_ARGC
== 3 && strcmp(CMD_ARGV
[2], "bulk") == 0){
1304 lpc3180_info
->is_bulk
= 1;
1307 lpc3180_info
->is_bulk
= 0;
1312 return ERROR_COMMAND_SYNTAX_ERROR
;
1316 if (lpc3180_info
->selected_controller
== LPC3180_MLC_CONTROLLER
)
1317 command_print(CMD_CTX
, "%s controller selected", selected
[lpc3180_info
->selected_controller
]);
1319 command_print(CMD_CTX
, lpc3180_info
->is_bulk
?"%s controller selected bulk mode is available":"%s controller selected bulk mode is not available", selected
[lpc3180_info
->selected_controller
]);
1326 static const struct command_registration lpc3180_exec_command_handlers
[] = {
1329 .handler
= handle_lpc3180_select_command
,
1330 .mode
= COMMAND_EXEC
,
1331 .help
= "select MLC or SLC controller (default is MLC), SLC can be set to bulk mode",
1332 .usage
= "bank_id ['mlc'|'slc' ['bulk'] ]",
1334 COMMAND_REGISTRATION_DONE
1336 static const struct command_registration lpc3180_command_handler
[] = {
1339 .mode
= COMMAND_ANY
,
1340 .help
= "LPC3180 NAND flash controller commands",
1341 .chain
= lpc3180_exec_command_handlers
,
1343 COMMAND_REGISTRATION_DONE
1346 struct nand_flash_controller lpc3180_nand_controller
= {
1348 .commands
= lpc3180_command_handler
,
1349 .nand_device_command
= lpc3180_nand_device_command
,
1350 .init
= lpc3180_init
,
1351 .reset
= lpc3180_reset
,
1352 .command
= lpc3180_command
,
1353 .address
= lpc3180_address
,
1354 .write_data
= lpc3180_write_data
,
1355 .read_data
= lpc3180_read_data
,
1356 .write_page
= lpc3180_write_page
,
1357 .read_page
= lpc3180_read_page
,
1358 .nand_ready
= lpc3180_nand_ready
,