aboutsummaryrefslogblamecommitdiffstats
blob: 3fdfede2f0f3e9d7f66cd498f2ac51d00a012d58 (plain) (tree)
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729






























                                                                            









                                                                    



                                          






























































                                                                       
                                                  








                                                  
                                                  

































































































































































































































































































































































































































































































































































































































                                                                               

                                  



                            
                  
                               
                        




                                  





                                

































                                        




                           
                       
                       
                      
                
                                
                            
                         
                                      
                      



                                       
                      

                            
                                
                         
                                      
                      



                                      
                       
                       

                      
                       
                       
                             
                       
                           
                       
                                
                       

                          
                       

                       




                           












                                                               

                                               



                                                 

                                                


                                    
                           



                                             
















































                                                         

                            
/* Freescale Integrated Flash Controller
 *
 * Copyright 2011 Freescale Semiconductor, Inc
 *
 * Author: Dipen Dudhat <dipen.dudhat@freescale.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef __ASM_FSL_IFC_H
#define __ASM_FSL_IFC_H

#include <linux/compiler.h>
#include <linux/types.h>
#include <linux/io.h>

#include <linux/of_platform.h>
#include <linux/interrupt.h>

/*
 * The actual number of banks implemented depends on the IFC version
 *    - IFC version 1.0 implements 4 banks.
 *    - IFC version 1.1 onward implements 8 banks.
 */
#define FSL_IFC_BANK_COUNT 8

#define FSL_IFC_VERSION_MASK	0x0F0F0000
#define FSL_IFC_VERSION_1_0_0	0x01000000
#define FSL_IFC_VERSION_1_1_0	0x01010000
#define FSL_IFC_VERSION_2_0_0	0x02000000

#define PGOFFSET_64K	(64*1024)
#define PGOFFSET_4K	(4*1024)

/*
 * CSPR - Chip Select Property Register
 */
#define CSPR_BA				0xFFFF0000
#define CSPR_BA_SHIFT			16
#define CSPR_PORT_SIZE			0x00000180
#define CSPR_PORT_SIZE_SHIFT		7
/* Port Size 8 bit */
#define CSPR_PORT_SIZE_8		0x00000080
/* Port Size 16 bit */
#define CSPR_PORT_SIZE_16		0x00000100
/* Port Size 32 bit */
#define CSPR_PORT_SIZE_32		0x00000180
/* Write Protect */
#define CSPR_WP				0x00000040
#define CSPR_WP_SHIFT			6
/* Machine Select */
#define CSPR_MSEL			0x00000006
#define CSPR_MSEL_SHIFT			1
/* NOR */
#define CSPR_MSEL_NOR			0x00000000
/* NAND */
#define CSPR_MSEL_NAND			0x00000002
/* GPCM */
#define CSPR_MSEL_GPCM			0x00000004
/* Bank Valid */
#define CSPR_V				0x00000001
#define CSPR_V_SHIFT			0

/*
 * Address Mask Register
 */
#define IFC_AMASK_MASK			0xFFFF0000
#define IFC_AMASK_SHIFT			16
#define IFC_AMASK(n)			(IFC_AMASK_MASK << \
					(__ilog2(n) - IFC_AMASK_SHIFT))

/*
 * Chip Select Option Register IFC_NAND Machine
 */
/* Enable ECC Encoder */
#define CSOR_NAND_ECC_ENC_EN		0x80000000
#define CSOR_NAND_ECC_MODE_MASK		0x30000000
/* 4 bit correction per 520 Byte sector */
#define CSOR_NAND_ECC_MODE_4		0x00000000
/* 8 bit correction per 528 Byte sector */
#define CSOR_NAND_ECC_MODE_8		0x10000000
/* Enable ECC Decoder */
#define CSOR_NAND_ECC_DEC_EN		0x04000000
/* Row Address Length */
#define CSOR_NAND_RAL_MASK		0x01800000
#define CSOR_NAND_RAL_SHIFT		20
#define CSOR_NAND_RAL_1			0x00000000
#define CSOR_NAND_RAL_2			0x00800000
#define CSOR_NAND_RAL_3			0x01000000
#define CSOR_NAND_RAL_4			0x01800000
/* Page Size 512b, 2k, 4k */
#define CSOR_NAND_PGS_MASK		0x00180000
#define CSOR_NAND_PGS_SHIFT		16
#define CSOR_NAND_PGS_512		0x00000000
#define CSOR_NAND_PGS_2K		0x00080000
#define CSOR_NAND_PGS_4K		0x00100000
#define CSOR_NAND_PGS_8K		0x00180000
/* Spare region Size */
#define CSOR_NAND_SPRZ_MASK		0x0000E000
#define CSOR_NAND_SPRZ_SHIFT		13
#define CSOR_NAND_SPRZ_16		0x00000000
#define CSOR_NAND_SPRZ_64		0x00002000
#define CSOR_NAND_SPRZ_128		0x00004000
#define CSOR_NAND_SPRZ_210		0x00006000
#define CSOR_NAND_SPRZ_218		0x00008000
#define CSOR_NAND_SPRZ_224		0x0000A000
#define CSOR_NAND_SPRZ_CSOR_EXT		0x0000C000
/* Pages Per Block */
#define CSOR_NAND_PB_MASK		0x00000700
#define CSOR_NAND_PB_SHIFT		8
#define CSOR_NAND_PB(n)		((__ilog2(n) - 5) << CSOR_NAND_PB_SHIFT)
/* Time for Read Enable High to Output High Impedance */
#define CSOR_NAND_TRHZ_MASK		0x0000001C
#define CSOR_NAND_TRHZ_SHIFT		2
#define CSOR_NAND_TRHZ_20		0x00000000
#define CSOR_NAND_TRHZ_40		0x00000004
#define CSOR_NAND_TRHZ_60		0x00000008
#define CSOR_NAND_TRHZ_80		0x0000000C
#define CSOR_NAND_TRHZ_100		0x00000010
/* Buffer control disable */
#define CSOR_NAND_BCTLD			0x00000001

/*
 * Chip Select Option Register - NOR Flash Mode
 */
/* Enable Address shift Mode */
#define CSOR_NOR_ADM_SHFT_MODE_EN	0x80000000
/* Page Read Enable from NOR device */
#define CSOR_NOR_PGRD_EN		0x10000000
/* AVD Toggle Enable during Burst Program */
#define CSOR_NOR_AVD_TGL_PGM_EN		0x01000000
/* Address Data Multiplexing Shift */
#define CSOR_NOR_ADM_MASK		0x0003E000
#define CSOR_NOR_ADM_SHIFT_SHIFT	13
#define CSOR_NOR_ADM_SHIFT(n)	((n) << CSOR_NOR_ADM_SHIFT_SHIFT)
/* Type of the NOR device hooked */
#define CSOR_NOR_NOR_MODE_AYSNC_NOR	0x00000000
#define CSOR_NOR_NOR_MODE_AVD_NOR	0x00000020
/* Time for Read Enable High to Output High Impedance */
#define CSOR_NOR_TRHZ_MASK		0x0000001C
#define CSOR_NOR_TRHZ_SHIFT		2
#define CSOR_NOR_TRHZ_20		0x00000000
#define CSOR_NOR_TRHZ_40		0x00000004
#define CSOR_NOR_TRHZ_60		0x00000008
#define CSOR_NOR_TRHZ_80		0x0000000C
#define CSOR_NOR_TRHZ_100		0x00000010
/* Buffer control disable */
#define CSOR_NOR_BCTLD			0x00000001

/*
 * Chip Select Option Register - GPCM Mode
 */
/* GPCM Mode - Normal */
#define CSOR_GPCM_GPMODE_NORMAL		0x00000000
/* GPCM Mode - GenericASIC */
#define CSOR_GPCM_GPMODE_ASIC		0x80000000
/* Parity Mode odd/even */
#define CSOR_GPCM_PARITY_EVEN		0x40000000
/* Parity Checking enable/disable */
#define CSOR_GPCM_PAR_EN		0x20000000
/* GPCM Timeout Count */
#define CSOR_GPCM_GPTO_MASK		0x0F000000
#define CSOR_GPCM_GPTO_SHIFT		24
#define CSOR_GPCM_GPTO(n)	((__ilog2(n) - 8) << CSOR_GPCM_GPTO_SHIFT)
/* GPCM External Access Termination mode for read access */
#define CSOR_GPCM_RGETA_EXT		0x00080000
/* GPCM External Access Termination mode for write access */
#define CSOR_GPCM_WGETA_EXT		0x00040000
/* Address Data Multiplexing Shift */
#define CSOR_GPCM_ADM_MASK		0x0003E000
#define CSOR_GPCM_ADM_SHIFT_SHIFT	13
#define CSOR_GPCM_ADM_SHIFT(n)	((n) << CSOR_GPCM_ADM_SHIFT_SHIFT)
/* Generic ASIC Parity error indication delay */
#define CSOR_GPCM_GAPERRD_MASK		0x00000180
#define CSOR_GPCM_GAPERRD_SHIFT		7
#define CSOR_GPCM_GAPERRD(n)	(((n) - 1) << CSOR_GPCM_GAPERRD_SHIFT)
/* Time for Read Enable High to Output High Impedance */
#define CSOR_GPCM_TRHZ_MASK		0x0000001C
#define CSOR_GPCM_TRHZ_20		0x00000000
#define CSOR_GPCM_TRHZ_40		0x00000004
#define CSOR_GPCM_TRHZ_60		0x00000008
#define CSOR_GPCM_TRHZ_80		0x0000000C
#define CSOR_GPCM_TRHZ_100		0x00000010
/* Buffer control disable */
#define CSOR_GPCM_BCTLD			0x00000001

/*
 * Ready Busy Status Register (RB_STAT)
 */
/* CSn is READY */
#define IFC_RB_STAT_READY_CS0		0x80000000
#define IFC_RB_STAT_READY_CS1		0x40000000
#define IFC_RB_STAT_READY_CS2		0x20000000
#define IFC_RB_STAT_READY_CS3		0x10000000

/*
 * General Control Register (GCR)
 */
#define IFC_GCR_MASK			0x8000F800
/* reset all IFC hardware */
#define IFC_GCR_SOFT_RST_ALL		0x80000000
/* Turnaroud Time of external buffer */
#define IFC_GCR_TBCTL_TRN_TIME		0x0000F800
#define IFC_GCR_TBCTL_TRN_TIME_SHIFT	11

/*
 * Common Event and Error Status Register (CM_EVTER_STAT)
 */
/* Chip select error */
#define IFC_CM_EVTER_STAT_CSER		0x80000000

/*
 * Common Event and Error Enable Register (CM_EVTER_EN)
 */
/* Chip select error checking enable */
#define IFC_CM_EVTER_EN_CSEREN		0x80000000

/*
 * Common Event and Error Interrupt Enable Register (CM_EVTER_INTR_EN)
 */
/* Chip select error interrupt enable */
#define IFC_CM_EVTER_INTR_EN_CSERIREN	0x80000000

/*
 * Common Transfer Error Attribute Register-0 (CM_ERATTR0)
 */
/* transaction type of error Read/Write */
#define IFC_CM_ERATTR0_ERTYP_READ	0x80000000
#define IFC_CM_ERATTR0_ERAID		0x0FF00000
#define IFC_CM_ERATTR0_ERAID_SHIFT	20
#define IFC_CM_ERATTR0_ESRCID		0x0000FF00
#define IFC_CM_ERATTR0_ESRCID_SHIFT	8

/*
 * Clock Control Register (CCR)
 */
#define IFC_CCR_MASK			0x0F0F8800
/* Clock division ratio */
#define IFC_CCR_CLK_DIV_MASK		0x0F000000
#define IFC_CCR_CLK_DIV_SHIFT		24
#define IFC_CCR_CLK_DIV(n)		((n-1) << IFC_CCR_CLK_DIV_SHIFT)
/* IFC Clock Delay */
#define IFC_CCR_CLK_DLY_MASK		0x000F0000
#define IFC_CCR_CLK_DLY_SHIFT		16
#define IFC_CCR_CLK_DLY(n)		((n) << IFC_CCR_CLK_DLY_SHIFT)
/* Invert IFC clock before sending out */
#define IFC_CCR_INV_CLK_EN		0x00008000
/* Fedback IFC Clock */
#define IFC_CCR_FB_IFC_CLK_SEL		0x00000800

/*
 * Clock Status Register (CSR)
 */
/* Clk is stable */
#define IFC_CSR_CLK_STAT_STABLE		0x80000000

/*
 * IFC_NAND Machine Specific Registers
 */
/*
 * NAND Configuration Register (NCFGR)
 */
/* Auto Boot Mode */
#define IFC_NAND_NCFGR_BOOT		0x80000000
/* Addressing Mode-ROW0+n/COL0 */
#define IFC_NAND_NCFGR_ADDR_MODE_RC0	0x00000000
/* Addressing Mode-ROW0+n/COL0+n */
#define IFC_NAND_NCFGR_ADDR_MODE_RC1	0x00400000
/* Number of loop iterations of FIR sequences for multi page operations */
#define IFC_NAND_NCFGR_NUM_LOOP_MASK	0x0000F000
#define IFC_NAND_NCFGR_NUM_LOOP_SHIFT	12
#define IFC_NAND_NCFGR_NUM_LOOP(n)	((n) << IFC_NAND_NCFGR_NUM_LOOP_SHIFT)
/* Number of wait cycles */
#define IFC_NAND_NCFGR_NUM_WAIT_MASK	0x000000FF
#define IFC_NAND_NCFGR_NUM_WAIT_SHIFT	0

/*
 * NAND Flash Command Registers (NAND_FCR0/NAND_FCR1)
 */
/* General purpose FCM flash command bytes CMD0-CMD7 */
#define IFC_NAND_FCR0_CMD0		0xFF000000
#define IFC_NAND_FCR0_CMD0_SHIFT	24
#define IFC_NAND_FCR0_CMD1		0x00FF0000
#define IFC_NAND_FCR0_CMD1_SHIFT	16
#define IFC_NAND_FCR0_CMD2		0x0000FF00
#define IFC_NAND_FCR0_CMD2_SHIFT	8
#define IFC_NAND_FCR0_CMD3		0x000000FF
#define IFC_NAND_FCR0_CMD3_SHIFT	0
#define IFC_NAND_FCR1_CMD4		0xFF000000
#define IFC_NAND_FCR1_CMD4_SHIFT	24
#define IFC_NAND_FCR1_CMD5		0x00FF0000
#define IFC_NAND_FCR1_CMD5_SHIFT	16
#define IFC_NAND_FCR1_CMD6		0x0000FF00
#define IFC_NAND_FCR1_CMD6_SHIFT	8
#define IFC_NAND_FCR1_CMD7		0x000000FF
#define IFC_NAND_FCR1_CMD7_SHIFT	0

/*
 * Flash ROW and COL Address Register (ROWn, COLn)
 */
/* Main/spare region locator */
#define IFC_NAND_COL_MS			0x80000000
/* Column Address */
#define IFC_NAND_COL_CA_MASK		0x00000FFF

/*
 * NAND Flash Byte Count Register (NAND_BC)
 */
/* Byte Count for read/Write */
#define IFC_NAND_BC			0x000001FF

/*
 * NAND Flash Instruction Registers (NAND_FIR0/NAND_FIR1/NAND_FIR2)
 */
/* NAND Machine specific opcodes OP0-OP14*/
#define IFC_NAND_FIR0_OP0		0xFC000000
#define IFC_NAND_FIR0_OP0_SHIFT		26
#define IFC_NAND_FIR0_OP1		0x03F00000
#define IFC_NAND_FIR0_OP1_SHIFT		20
#define IFC_NAND_FIR0_OP2		0x000FC000
#define IFC_NAND_FIR0_OP2_SHIFT		14
#define IFC_NAND_FIR0_OP3		0x00003F00
#define IFC_NAND_FIR0_OP3_SHIFT		8
#define IFC_NAND_FIR0_OP4		0x000000FC
#define IFC_NAND_FIR0_OP4_SHIFT		2
#define IFC_NAND_FIR1_OP5		0xFC000000
#define IFC_NAND_FIR1_OP5_SHIFT		26
#define IFC_NAND_FIR1_OP6		0x03F00000
#define IFC_NAND_FIR1_OP6_SHIFT		20
#define IFC_NAND_FIR1_OP7		0x000FC000
#define IFC_NAND_FIR1_OP7_SHIFT		14
#define IFC_NAND_FIR1_OP8		0x00003F00
#define IFC_NAND_FIR1_OP8_SHIFT		8
#define IFC_NAND_FIR1_OP9		0x000000FC
#define IFC_NAND_FIR1_OP9_SHIFT		2
#define IFC_NAND_FIR2_OP10		0xFC000000
#define IFC_NAND_FIR2_OP10_SHIFT	26
#define IFC_NAND_FIR2_OP11		0x03F00000
#define IFC_NAND_FIR2_OP11_SHIFT	20
#define IFC_NAND_FIR2_OP12		0x000FC000
#define IFC_NAND_FIR2_OP12_SHIFT	14
#define IFC_NAND_FIR2_OP13		0x00003F00
#define IFC_NAND_FIR2_OP13_SHIFT	8
#define IFC_NAND_FIR2_OP14		0x000000FC
#define IFC_NAND_FIR2_OP14_SHIFT	2

/*
 * Instruction opcodes to be programmed
 * in FIR registers- 6bits
 */
enum ifc_nand_fir_opcodes {
	IFC_FIR_OP_NOP,
	IFC_FIR_OP_CA0,
	IFC_FIR_OP_CA1,
	IFC_FIR_OP_CA2,
	IFC_FIR_OP_CA3,
	IFC_FIR_OP_RA0,
	IFC_FIR_OP_RA1,
	IFC_FIR_OP_RA2,
	IFC_FIR_OP_RA3,
	IFC_FIR_OP_CMD0,
	IFC_FIR_OP_CMD1,
	IFC_FIR_OP_CMD2,
	IFC_FIR_OP_CMD3,
	IFC_FIR_OP_CMD4,
	IFC_FIR_OP_CMD5,
	IFC_FIR_OP_CMD6,
	IFC_FIR_OP_CMD7,
	IFC_FIR_OP_CW0,
	IFC_FIR_OP_CW1,
	IFC_FIR_OP_CW2,
	IFC_FIR_OP_CW3,
	IFC_FIR_OP_CW4,
	IFC_FIR_OP_CW5,
	IFC_FIR_OP_CW6,
	IFC_FIR_OP_CW7,
	IFC_FIR_OP_WBCD,
	IFC_FIR_OP_RBCD,
	IFC_FIR_OP_BTRD,
	IFC_FIR_OP_RDSTAT,
	IFC_FIR_OP_NWAIT,
	IFC_FIR_OP_WFR,
	IFC_FIR_OP_SBRD,
	IFC_FIR_OP_UA,
	IFC_FIR_OP_RB,
};

/*
 * NAND Chip Select Register (NAND_CSEL)
 */
#define IFC_NAND_CSEL			0x0C000000
#define IFC_NAND_CSEL_SHIFT		26
#define IFC_NAND_CSEL_CS0		0x00000000
#define IFC_NAND_CSEL_CS1		0x04000000
#define IFC_NAND_CSEL_CS2		0x08000000
#define IFC_NAND_CSEL_CS3		0x0C000000

/*
 * NAND Operation Sequence Start (NANDSEQ_STRT)
 */
/* NAND Flash Operation Start */
#define IFC_NAND_SEQ_STRT_FIR_STRT	0x80000000
/* Automatic Erase */
#define IFC_NAND_SEQ_STRT_AUTO_ERS	0x00800000
/* Automatic Program */
#define IFC_NAND_SEQ_STRT_AUTO_PGM	0x00100000
/* Automatic Copyback */
#define IFC_NAND_SEQ_STRT_AUTO_CPB	0x00020000
/* Automatic Read Operation */
#define IFC_NAND_SEQ_STRT_AUTO_RD	0x00004000
/* Automatic Status Read */
#define IFC_NAND_SEQ_STRT_AUTO_STAT_RD	0x00000800

/*
 * NAND Event and Error Status Register (NAND_EVTER_STAT)
 */
/* Operation Complete */
#define IFC_NAND_EVTER_STAT_OPC		0x80000000
/* Flash Timeout Error */
#define IFC_NAND_EVTER_STAT_FTOER	0x08000000
/* Write Protect Error */
#define IFC_NAND_EVTER_STAT_WPER	0x04000000
/* ECC Error */
#define IFC_NAND_EVTER_STAT_ECCER	0x02000000
/* RCW Load Done */
#define IFC_NAND_EVTER_STAT_RCW_DN	0x00008000
/* Boot Loadr Done */
#define IFC_NAND_EVTER_STAT_BOOT_DN	0x00004000
/* Bad Block Indicator search select */
#define IFC_NAND_EVTER_STAT_BBI_SRCH_SE	0x00000800

/*
 * NAND Flash Page Read Completion Event Status Register
 * (PGRDCMPL_EVT_STAT)
 */
#define PGRDCMPL_EVT_STAT_MASK		0xFFFF0000
/* Small Page 0-15 Done */
#define PGRDCMPL_EVT_STAT_SECTION_SP(n)	(1 << (31 - (n)))
/* Large Page(2K) 0-3 Done */
#define PGRDCMPL_EVT_STAT_LP_2K(n)	(0xF << (28 - (n)*4))
/* Large Page(4K) 0-1 Done */
#define PGRDCMPL_EVT_STAT_LP_4K(n)	(0xFF << (24 - (n)*8))

/*
 * NAND Event and Error Enable Register (NAND_EVTER_EN)
 */
/* Operation complete event enable */
#define IFC_NAND_EVTER_EN_OPC_EN	0x80000000
/* Page read complete event enable */
#define IFC_NAND_EVTER_EN_PGRDCMPL_EN	0x20000000
/* Flash Timeout error enable */
#define IFC_NAND_EVTER_EN_FTOER_EN	0x08000000
/* Write Protect error enable */
#define IFC_NAND_EVTER_EN_WPER_EN	0x04000000
/* ECC error logging enable */
#define IFC_NAND_EVTER_EN_ECCER_EN	0x02000000

/*
 * NAND Event and Error Interrupt Enable Register (NAND_EVTER_INTR_EN)
 */
/* Enable interrupt for operation complete */
#define IFC_NAND_EVTER_INTR_OPCIR_EN		0x80000000
/* Enable interrupt for Page read complete */
#define IFC_NAND_EVTER_INTR_PGRDCMPLIR_EN	0x20000000
/* Enable interrupt for Flash timeout error */
#define IFC_NAND_EVTER_INTR_FTOERIR_EN		0x08000000
/* Enable interrupt for Write protect error */
#define IFC_NAND_EVTER_INTR_WPERIR_EN		0x04000000
/* Enable interrupt for ECC error*/
#define IFC_NAND_EVTER_INTR_ECCERIR_EN		0x02000000

/*
 * NAND Transfer Error Attribute Register-0 (NAND_ERATTR0)
 */
#define IFC_NAND_ERATTR0_MASK		0x0C080000
/* Error on CS0-3 for NAND */
#define IFC_NAND_ERATTR0_ERCS_CS0	0x00000000
#define IFC_NAND_ERATTR0_ERCS_CS1	0x04000000
#define IFC_NAND_ERATTR0_ERCS_CS2	0x08000000
#define IFC_NAND_ERATTR0_ERCS_CS3	0x0C000000
/* Transaction type of error Read/Write */
#define IFC_NAND_ERATTR0_ERTTYPE_READ	0x00080000

/*
 * NAND Flash Status Register (NAND_FSR)
 */
/* First byte of data read from read status op */
#define IFC_NAND_NFSR_RS0		0xFF000000
/* Second byte of data read from read status op */
#define IFC_NAND_NFSR_RS1		0x00FF0000

/*
 * ECC Error Status Registers (ECCSTAT0-ECCSTAT3)
 */
/* Number of ECC errors on sector n (n = 0-15) */
#define IFC_NAND_ECCSTAT0_ERRCNT_SECTOR0_MASK	0x0F000000
#define IFC_NAND_ECCSTAT0_ERRCNT_SECTOR0_SHIFT	24
#define IFC_NAND_ECCSTAT0_ERRCNT_SECTOR1_MASK	0x000F0000
#define IFC_NAND_ECCSTAT0_ERRCNT_SECTOR1_SHIFT	16
#define IFC_NAND_ECCSTAT0_ERRCNT_SECTOR2_MASK	0x00000F00
#define IFC_NAND_ECCSTAT0_ERRCNT_SECTOR2_SHIFT	8
#define IFC_NAND_ECCSTAT0_ERRCNT_SECTOR3_MASK	0x0000000F
#define IFC_NAND_ECCSTAT0_ERRCNT_SECTOR3_SHIFT	0
#define IFC_NAND_ECCSTAT1_ERRCNT_SECTOR4_MASK	0x0F000000
#define IFC_NAND_ECCSTAT1_ERRCNT_SECTOR4_SHIFT	24
#define IFC_NAND_ECCSTAT1_ERRCNT_SECTOR5_MASK	0x000F0000
#define IFC_NAND_ECCSTAT1_ERRCNT_SECTOR5_SHIFT	16
#define IFC_NAND_ECCSTAT1_ERRCNT_SECTOR6_MASK	0x00000F00
#define IFC_NAND_ECCSTAT1_ERRCNT_SECTOR6_SHIFT	8
#define IFC_NAND_ECCSTAT1_ERRCNT_SECTOR7_MASK	0x0000000F
#define IFC_NAND_ECCSTAT1_ERRCNT_SECTOR7_SHIFT	0
#define IFC_NAND_ECCSTAT2_ERRCNT_SECTOR8_MASK	0x0F000000
#define IFC_NAND_ECCSTAT2_ERRCNT_SECTOR8_SHIFT	24
#define IFC_NAND_ECCSTAT2_ERRCNT_SECTOR9_MASK	0x000F0000
#define IFC_NAND_ECCSTAT2_ERRCNT_SECTOR9_SHIFT	16
#define IFC_NAND_ECCSTAT2_ERRCNT_SECTOR10_MASK	0x00000F00
#define IFC_NAND_ECCSTAT2_ERRCNT_SECTOR10_SHIFT	8
#define IFC_NAND_ECCSTAT2_ERRCNT_SECTOR11_MASK	0x0000000F
#define IFC_NAND_ECCSTAT2_ERRCNT_SECTOR11_SHIFT	0
#define IFC_NAND_ECCSTAT3_ERRCNT_SECTOR12_MASK	0x0F000000
#define IFC_NAND_ECCSTAT3_ERRCNT_SECTOR12_SHIFT	24
#define IFC_NAND_ECCSTAT3_ERRCNT_SECTOR13_MASK	0x000F0000
#define IFC_NAND_ECCSTAT3_ERRCNT_SECTOR13_SHIFT	16
#define IFC_NAND_ECCSTAT3_ERRCNT_SECTOR14_MASK	0x00000F00
#define IFC_NAND_ECCSTAT3_ERRCNT_SECTOR14_SHIFT	8
#define IFC_NAND_ECCSTAT3_ERRCNT_SECTOR15_MASK	0x0000000F
#define IFC_NAND_ECCSTAT3_ERRCNT_SECTOR15_SHIFT	0

/*
 * NAND Control Register (NANDCR)
 */
#define IFC_NAND_NCR_FTOCNT_MASK	0x1E000000
#define IFC_NAND_NCR_FTOCNT_SHIFT	25
#define IFC_NAND_NCR_FTOCNT(n)	((_ilog2(n) - 8)  << IFC_NAND_NCR_FTOCNT_SHIFT)

/*
 * NAND_AUTOBOOT_TRGR
 */
/* Trigger RCW load */
#define IFC_NAND_AUTOBOOT_TRGR_RCW_LD	0x80000000
/* Trigget Auto Boot */
#define IFC_NAND_AUTOBOOT_TRGR_BOOT_LD	0x20000000

/*
 * NAND_MDR
 */
/* 1st read data byte when opcode SBRD */
#define IFC_NAND_MDR_RDATA0		0xFF000000
/* 2nd read data byte when opcode SBRD */
#define IFC_NAND_MDR_RDATA1		0x00FF0000

/*
 * NOR Machine Specific Registers
 */
/*
 * NOR Event and Error Status Register (NOR_EVTER_STAT)
 */
/* NOR Command Sequence Operation Complete */
#define IFC_NOR_EVTER_STAT_OPC_NOR	0x80000000
/* Write Protect Error */
#define IFC_NOR_EVTER_STAT_WPER		0x04000000
/* Command Sequence Timeout Error */
#define IFC_NOR_EVTER_STAT_STOER	0x01000000

/*
 * NOR Event and Error Enable Register (NOR_EVTER_EN)
 */
/* NOR Command Seq complete event enable */
#define IFC_NOR_EVTER_EN_OPCEN_NOR	0x80000000
/* Write Protect Error Checking Enable */
#define IFC_NOR_EVTER_EN_WPEREN		0x04000000
/* Timeout Error Enable */
#define IFC_NOR_EVTER_EN_STOEREN	0x01000000

/*
 * NOR Event and Error Interrupt Enable Register (NOR_EVTER_INTR_EN)
 */
/* Enable interrupt for OPC complete */
#define IFC_NOR_EVTER_INTR_OPCEN_NOR	0x80000000
/* Enable interrupt for write protect error */
#define IFC_NOR_EVTER_INTR_WPEREN	0x04000000
/* Enable interrupt for timeout error */
#define IFC_NOR_EVTER_INTR_STOEREN	0x01000000

/*
 * NOR Transfer Error Attribute Register-0 (NOR_ERATTR0)
 */
/* Source ID for error transaction */
#define IFC_NOR_ERATTR0_ERSRCID		0xFF000000
/* AXI ID for error transation */
#define IFC_NOR_ERATTR0_ERAID		0x000FF000
/* Chip select corresponds to NOR error */
#define IFC_NOR_ERATTR0_ERCS_CS0	0x00000000
#define IFC_NOR_ERATTR0_ERCS_CS1	0x00000010
#define IFC_NOR_ERATTR0_ERCS_CS2	0x00000020
#define IFC_NOR_ERATTR0_ERCS_CS3	0x00000030
/* Type of transaction read/write */
#define IFC_NOR_ERATTR0_ERTYPE_READ	0x00000001

/*
 * NOR Transfer Error Attribute Register-2 (NOR_ERATTR2)
 */
#define IFC_NOR_ERATTR2_ER_NUM_PHASE_EXP	0x000F0000
#define IFC_NOR_ERATTR2_ER_NUM_PHASE_PER	0x00000F00

/*
 * NOR Control Register (NORCR)
 */
#define IFC_NORCR_MASK			0x0F0F0000
/* No. of Address/Data Phase */
#define IFC_NORCR_NUM_PHASE_MASK	0x0F000000
#define IFC_NORCR_NUM_PHASE_SHIFT	24
#define IFC_NORCR_NUM_PHASE(n)	((n-1) << IFC_NORCR_NUM_PHASE_SHIFT)
/* Sequence Timeout Count */
#define IFC_NORCR_STOCNT_MASK		0x000F0000
#define IFC_NORCR_STOCNT_SHIFT		16
#define IFC_NORCR_STOCNT(n)	((__ilog2(n) - 8) << IFC_NORCR_STOCNT_SHIFT)

/*
 * GPCM Machine specific registers
 */
/*
 * GPCM Event and Error Status Register (GPCM_EVTER_STAT)
 */
/* Timeout error */
#define IFC_GPCM_EVTER_STAT_TOER	0x04000000
/* Parity error */
#define IFC_GPCM_EVTER_STAT_PER		0x01000000

/*
 * GPCM Event and Error Enable Register (GPCM_EVTER_EN)
 */
/* Timeout error enable */
#define IFC_GPCM_EVTER_EN_TOER_EN	0x04000000
/* Parity error enable */
#define IFC_GPCM_EVTER_EN_PER_EN	0x01000000

/*
 * GPCM Event and Error Interrupt Enable Register (GPCM_EVTER_INTR_EN)
 */
/* Enable Interrupt for timeout error */
#define IFC_GPCM_EEIER_TOERIR_EN	0x04000000
/* Enable Interrupt for Parity error */
#define IFC_GPCM_EEIER_PERIR_EN		0x01000000

/*
 * GPCM Transfer Error Attribute Register-0 (GPCM_ERATTR0)
 */
/* Source ID for error transaction */
#define IFC_GPCM_ERATTR0_ERSRCID	0xFF000000
/* AXI ID for error transaction */
#define IFC_GPCM_ERATTR0_ERAID		0x000FF000
/* Chip select corresponds to GPCM error */
#define IFC_GPCM_ERATTR0_ERCS_CS0	0x00000000
#define IFC_GPCM_ERATTR0_ERCS_CS1	0x00000040
#define IFC_GPCM_ERATTR0_ERCS_CS2	0x00000080
#define IFC_GPCM_ERATTR0_ERCS_CS3	0x000000C0
/* Type of transaction read/Write */
#define IFC_GPCM_ERATTR0_ERTYPE_READ	0x00000001

/*
 * GPCM Transfer Error Attribute Register-2 (GPCM_ERATTR2)
 */
/* On which beat of address/data parity error is observed */
#define IFC_GPCM_ERATTR2_PERR_BEAT		0x00000C00
/* Parity Error on byte */
#define IFC_GPCM_ERATTR2_PERR_BYTE		0x000000F0
/* Parity Error reported in addr or data phase */
#define IFC_GPCM_ERATTR2_PERR_DATA_PHASE	0x00000001

/*
 * GPCM Status Register (GPCM_STAT)
 */
#define IFC_GPCM_STAT_BSY		0x80000000  /* GPCM is busy */

/*
 * IFC Controller NAND Machine registers
 */
struct fsl_ifc_nand {
	__be32 ncfgr;
	u32 res1[0x4];
	__be32 nand_fcr0;
	__be32 nand_fcr1;
	u32 res2[0x8];
	__be32 row0;
	u32 res3;
	__be32 col0;
	u32 res4;
	__be32 row1;
	u32 res5;
	__be32 col1;
	u32 res6;
	__be32 row2;
	u32 res7;
	__be32 col2;
	u32 res8;
	__be32 row3;
	u32 res9;
	__be32 col3;
	u32 res10[0x24];
	__be32 nand_fbcr;
	u32 res11;
	__be32 nand_fir0;
	__be32 nand_fir1;
	__be32 nand_fir2;
	u32 res12[0x10];
	__be32 nand_csel;
	u32 res13;
	__be32 nandseq_strt;
	u32 res14;
	__be32 nand_evter_stat;
	u32 res15;
	__be32 pgrdcmpl_evt_stat;
	u32 res16[0x2];
	__be32 nand_evter_en;
	u32 res17[0x2];
	__be32 nand_evter_intr_en;
	__be32 nand_vol_addr_stat;
	u32 res18;
	__be32 nand_erattr0;
	__be32 nand_erattr1;
	u32 res19[0x10];
	__be32 nand_fsr;
	u32 res20;
	__be32 nand_eccstat[8];
	u32 res21[0x1c];
	__be32 nanndcr;
	u32 res22[0x2];
	__be32 nand_autoboot_trgr;
	u32 res23;
	__be32 nand_mdr;
	u32 res24[0x1C];
	__be32 nand_dll_lowcfg0;
	__be32 nand_dll_lowcfg1;
	u32 res25;
	__be32 nand_dll_lowstat;
	u32 res26[0x3c];
};

/*
 * IFC controller NOR Machine registers
 */
struct fsl_ifc_nor {
	__be32 nor_evter_stat;
	u32 res1[0x2];
	__be32 nor_evter_en;
	u32 res2[0x2];
	__be32 nor_evter_intr_en;
	u32 res3[0x2];
	__be32 nor_erattr0;
	__be32 nor_erattr1;
	__be32 nor_erattr2;
	u32 res4[0x4];
	__be32 norcr;
	u32 res5[0xEF];
};

/*
 * IFC controller GPCM Machine registers
 */
struct fsl_ifc_gpcm {
	__be32 gpcm_evter_stat;
	u32 res1[0x2];
	__be32 gpcm_evter_en;
	u32 res2[0x2];
	__be32 gpcm_evter_intr_en;
	u32 res3[0x2];
	__be32 gpcm_erattr0;
	__be32 gpcm_erattr1;
	__be32 gpcm_erattr2;
	__be32 gpcm_stat;
};

/*
 * IFC Controller Registers
 */
struct fsl_ifc_global {
	__be32 ifc_rev;
	u32 res1[0x2];
	struct {
		__be32 cspr_ext;
		__be32 cspr;
		u32 res2;
	} cspr_cs[FSL_IFC_BANK_COUNT];
	u32 res3[0xd];
	struct {
		__be32 amask;
		u32 res4[0x2];
	} amask_cs[FSL_IFC_BANK_COUNT];
	u32 res5[0xc];
	struct {
		__be32 csor;
		__be32 csor_ext;
		u32 res6;
	} csor_cs[FSL_IFC_BANK_COUNT];
	u32 res7[0xc];
	struct {
		__be32 ftim[4];
		u32 res8[0x8];
	} ftim_cs[FSL_IFC_BANK_COUNT];
	u32 res9[0x30];
	__be32 rb_stat;
	__be32 rb_map;
	__be32 wb_map;
	__be32 ifc_gcr;
	u32 res10[0x2];
	__be32 cm_evter_stat;
	u32 res11[0x2];
	__be32 cm_evter_en;
	u32 res12[0x2];
	__be32 cm_evter_intr_en;
	u32 res13[0x2];
	__be32 cm_erattr0;
	__be32 cm_erattr1;
	u32 res14[0x2];
	__be32 ifc_ccr;
	__be32 ifc_csr;
	__be32 ddr_ccr_low;
};


struct fsl_ifc_runtime {
	struct fsl_ifc_nand ifc_nand;
	struct fsl_ifc_nor ifc_nor;
	struct fsl_ifc_gpcm ifc_gpcm;
};

extern unsigned int convert_ifc_address(phys_addr_t addr_base);
extern int fsl_ifc_find(phys_addr_t addr_base);

/* overview of the fsl ifc controller */

struct fsl_ifc_ctrl {
	/* device info */
	struct device			*dev;
	struct fsl_ifc_global __iomem	*gregs;
	struct fsl_ifc_runtime __iomem	*rregs;
	int				irq;
	int				nand_irq;
	spinlock_t			lock;
	void				*nand;
	int				version;
	int				banks;

	u32 nand_stat;
	wait_queue_head_t nand_wait;
	bool little_endian;
};

extern struct fsl_ifc_ctrl *fsl_ifc_ctrl_dev;

static inline u32 ifc_in32(void __iomem *addr)
{
	u32 val;

	if (fsl_ifc_ctrl_dev->little_endian)
		val = ioread32(addr);
	else
		val = ioread32be(addr);

	return val;
}

static inline u16 ifc_in16(void __iomem *addr)
{
	u16 val;

	if (fsl_ifc_ctrl_dev->little_endian)
		val = ioread16(addr);
	else
		val = ioread16be(addr);

	return val;
}

static inline u8 ifc_in8(void __iomem *addr)
{
	return ioread8(addr);
}

static inline void ifc_out32(u32 val, void __iomem *addr)
{
	if (fsl_ifc_ctrl_dev->little_endian)
		iowrite32(val, addr);
	else
		iowrite32be(val, addr);
}

static inline void ifc_out16(u16 val, void __iomem *addr)
{
	if (fsl_ifc_ctrl_dev->little_endian)
		iowrite16(val, addr);
	else
		iowrite16be(val, addr);
}

static inline void ifc_out8(u8 val, void __iomem *addr)
{
	iowrite8(val, addr);
}

#endif /* __ASM_FSL_IFC_H */