1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /* Freescale Integrated Flash Controller
3 *
4 * Copyright 2011 Freescale Semiconductor, Inc
5 *
6 * Author: Dipen Dudhat <dipen.dudhat@freescale.com>
7 */
8
9 #ifndef __ASM_FSL_IFC_H
10 #define __ASM_FSL_IFC_H
11
12 #include <linux/compiler.h>
13 #include <linux/types.h>
14 #include <linux/io.h>
15
16 #include <linux/of_platform.h>
17 #include <linux/interrupt.h>
18
19 /*
20 * The actual number of banks implemented depends on the IFC version
21 * - IFC version 1.0 implements 4 banks.
22 * - IFC version 1.1 onward implements 8 banks.
23 */
24 #define FSL_IFC_BANK_COUNT 8
25
26 #define FSL_IFC_VERSION_MASK 0x0F0F0000
27 #define FSL_IFC_VERSION_1_0_0 0x01000000
28 #define FSL_IFC_VERSION_1_1_0 0x01010000
29 #define FSL_IFC_VERSION_2_0_0 0x02000000
30
31 #define PGOFFSET_64K (64*1024)
32 #define PGOFFSET_4K (4*1024)
33
34 /*
35 * CSPR - Chip Select Property Register
36 */
37 #define CSPR_BA 0xFFFF0000
38 #define CSPR_BA_SHIFT 16
39 #define CSPR_PORT_SIZE 0x00000180
40 #define CSPR_PORT_SIZE_SHIFT 7
41 /* Port Size 8 bit */
42 #define CSPR_PORT_SIZE_8 0x00000080
43 /* Port Size 16 bit */
44 #define CSPR_PORT_SIZE_16 0x00000100
45 /* Port Size 32 bit */
46 #define CSPR_PORT_SIZE_32 0x00000180
47 /* Write Protect */
48 #define CSPR_WP 0x00000040
49 #define CSPR_WP_SHIFT 6
50 /* Machine Select */
51 #define CSPR_MSEL 0x00000006
52 #define CSPR_MSEL_SHIFT 1
53 /* NOR */
54 #define CSPR_MSEL_NOR 0x00000000
55 /* NAND */
56 #define CSPR_MSEL_NAND 0x00000002
57 /* GPCM */
58 #define CSPR_MSEL_GPCM 0x00000004
59 /* Bank Valid */
60 #define CSPR_V 0x00000001
61 #define CSPR_V_SHIFT 0
62
63 /*
64 * Address Mask Register
65 */
66 #define IFC_AMASK_MASK 0xFFFF0000
67 #define IFC_AMASK_SHIFT 16
68 #define IFC_AMASK(n) (IFC_AMASK_MASK << \
69 (__ilog2(n) - IFC_AMASK_SHIFT))
70
71 /*
72 * Chip Select Option Register IFC_NAND Machine
73 */
74 /* Enable ECC Encoder */
75 #define CSOR_NAND_ECC_ENC_EN 0x80000000
76 #define CSOR_NAND_ECC_MODE_MASK 0x30000000
77 /* 4 bit correction per 520 Byte sector */
78 #define CSOR_NAND_ECC_MODE_4 0x00000000
79 /* 8 bit correction per 528 Byte sector */
80 #define CSOR_NAND_ECC_MODE_8 0x10000000
81 /* Enable ECC Decoder */
82 #define CSOR_NAND_ECC_DEC_EN 0x04000000
83 /* Row Address Length */
84 #define CSOR_NAND_RAL_MASK 0x01800000
85 #define CSOR_NAND_RAL_SHIFT 20
86 #define CSOR_NAND_RAL_1 0x00000000
87 #define CSOR_NAND_RAL_2 0x00800000
88 #define CSOR_NAND_RAL_3 0x01000000
89 #define CSOR_NAND_RAL_4 0x01800000
90 /* Page Size 512b, 2k, 4k */
91 #define CSOR_NAND_PGS_MASK 0x00180000
92 #define CSOR_NAND_PGS_SHIFT 16
93 #define CSOR_NAND_PGS_512 0x00000000
94 #define CSOR_NAND_PGS_2K 0x00080000
95 #define CSOR_NAND_PGS_4K 0x00100000
96 #define CSOR_NAND_PGS_8K 0x00180000
97 /* Spare region Size */
98 #define CSOR_NAND_SPRZ_MASK 0x0000E000
99 #define CSOR_NAND_SPRZ_SHIFT 13
100 #define CSOR_NAND_SPRZ_16 0x00000000
101 #define CSOR_NAND_SPRZ_64 0x00002000
102 #define CSOR_NAND_SPRZ_128 0x00004000
103 #define CSOR_NAND_SPRZ_210 0x00006000
104 #define CSOR_NAND_SPRZ_218 0x00008000
105 #define CSOR_NAND_SPRZ_224 0x0000A000
106 #define CSOR_NAND_SPRZ_CSOR_EXT 0x0000C000
107 /* Pages Per Block */
108 #define CSOR_NAND_PB_MASK 0x00000700
109 #define CSOR_NAND_PB_SHIFT 8
110 #define CSOR_NAND_PB(n) ((__ilog2(n) - 5) << CSOR_NAND_PB_SHIFT)
111 /* Time for Read Enable High to Output High Impedance */
112 #define CSOR_NAND_TRHZ_MASK 0x0000001C
113 #define CSOR_NAND_TRHZ_SHIFT 2
114 #define CSOR_NAND_TRHZ_20 0x00000000
115 #define CSOR_NAND_TRHZ_40 0x00000004
116 #define CSOR_NAND_TRHZ_60 0x00000008
117 #define CSOR_NAND_TRHZ_80 0x0000000C
118 #define CSOR_NAND_TRHZ_100 0x00000010
119 /* Buffer control disable */
120 #define CSOR_NAND_BCTLD 0x00000001
121
122 /*
123 * Chip Select Option Register - NOR Flash Mode
124 */
125 /* Enable Address shift Mode */
126 #define CSOR_NOR_ADM_SHFT_MODE_EN 0x80000000
127 /* Page Read Enable from NOR device */
128 #define CSOR_NOR_PGRD_EN 0x10000000
129 /* AVD Toggle Enable during Burst Program */
130 #define CSOR_NOR_AVD_TGL_PGM_EN 0x01000000
131 /* Address Data Multiplexing Shift */
132 #define CSOR_NOR_ADM_MASK 0x0003E000
133 #define CSOR_NOR_ADM_SHIFT_SHIFT 13
134 #define CSOR_NOR_ADM_SHIFT(n) ((n) << CSOR_NOR_ADM_SHIFT_SHIFT)
135 /* Type of the NOR device hooked */
136 #define CSOR_NOR_NOR_MODE_AYSNC_NOR 0x00000000
137 #define CSOR_NOR_NOR_MODE_AVD_NOR 0x00000020
138 /* Time for Read Enable High to Output High Impedance */
139 #define CSOR_NOR_TRHZ_MASK 0x0000001C
140 #define CSOR_NOR_TRHZ_SHIFT 2
141 #define CSOR_NOR_TRHZ_20 0x00000000
142 #define CSOR_NOR_TRHZ_40 0x00000004
143 #define CSOR_NOR_TRHZ_60 0x00000008
144 #define CSOR_NOR_TRHZ_80 0x0000000C
145 #define CSOR_NOR_TRHZ_100 0x00000010
146 /* Buffer control disable */
147 #define CSOR_NOR_BCTLD 0x00000001
148
149 /*
150 * Chip Select Option Register - GPCM Mode
151 */
152 /* GPCM Mode - Normal */
153 #define CSOR_GPCM_GPMODE_NORMAL 0x00000000
154 /* GPCM Mode - GenericASIC */
155 #define CSOR_GPCM_GPMODE_ASIC 0x80000000
156 /* Parity Mode odd/even */
157 #define CSOR_GPCM_PARITY_EVEN 0x40000000
158 /* Parity Checking enable/disable */
159 #define CSOR_GPCM_PAR_EN 0x20000000
160 /* GPCM Timeout Count */
161 #define CSOR_GPCM_GPTO_MASK 0x0F000000
162 #define CSOR_GPCM_GPTO_SHIFT 24
163 #define CSOR_GPCM_GPTO(n) ((__ilog2(n) - 8) << CSOR_GPCM_GPTO_SHIFT)
164 /* GPCM External Access Termination mode for read access */
165 #define CSOR_GPCM_RGETA_EXT 0x00080000
166 /* GPCM External Access Termination mode for write access */
167 #define CSOR_GPCM_WGETA_EXT 0x00040000
168 /* Address Data Multiplexing Shift */
169 #define CSOR_GPCM_ADM_MASK 0x0003E000
170 #define CSOR_GPCM_ADM_SHIFT_SHIFT 13
171 #define CSOR_GPCM_ADM_SHIFT(n) ((n) << CSOR_GPCM_ADM_SHIFT_SHIFT)
172 /* Generic ASIC Parity error indication delay */
173 #define CSOR_GPCM_GAPERRD_MASK 0x00000180
174 #define CSOR_GPCM_GAPERRD_SHIFT 7
175 #define CSOR_GPCM_GAPERRD(n) (((n) - 1) << CSOR_GPCM_GAPERRD_SHIFT)
176 /* Time for Read Enable High to Output High Impedance */
177 #define CSOR_GPCM_TRHZ_MASK 0x0000001C
178 #define CSOR_GPCM_TRHZ_20 0x00000000
179 #define CSOR_GPCM_TRHZ_40 0x00000004
180 #define CSOR_GPCM_TRHZ_60 0x00000008
181 #define CSOR_GPCM_TRHZ_80 0x0000000C
182 #define CSOR_GPCM_TRHZ_100 0x00000010
183 /* Buffer control disable */
184 #define CSOR_GPCM_BCTLD 0x00000001
185
186 /*
187 * Ready Busy Status Register (RB_STAT)
188 */
189 /* CSn is READY */
190 #define IFC_RB_STAT_READY_CS0 0x80000000
191 #define IFC_RB_STAT_READY_CS1 0x40000000
192 #define IFC_RB_STAT_READY_CS2 0x20000000
193 #define IFC_RB_STAT_READY_CS3 0x10000000
194
195 /*
196 * General Control Register (GCR)
197 */
198 #define IFC_GCR_MASK 0x8000F800
199 /* reset all IFC hardware */
200 #define IFC_GCR_SOFT_RST_ALL 0x80000000
201 /* Turnaroud Time of external buffer */
202 #define IFC_GCR_TBCTL_TRN_TIME 0x0000F800
203 #define IFC_GCR_TBCTL_TRN_TIME_SHIFT 11
204
205 /*
206 * Common Event and Error Status Register (CM_EVTER_STAT)
207 */
208 /* Chip select error */
209 #define IFC_CM_EVTER_STAT_CSER 0x80000000
210
211 /*
212 * Common Event and Error Enable Register (CM_EVTER_EN)
213 */
214 /* Chip select error checking enable */
215 #define IFC_CM_EVTER_EN_CSEREN 0x80000000
216
217 /*
218 * Common Event and Error Interrupt Enable Register (CM_EVTER_INTR_EN)
219 */
220 /* Chip select error interrupt enable */
221 #define IFC_CM_EVTER_INTR_EN_CSERIREN 0x80000000
222
223 /*
224 * Common Transfer Error Attribute Register-0 (CM_ERATTR0)
225 */
226 /* transaction type of error Read/Write */
227 #define IFC_CM_ERATTR0_ERTYP_READ 0x80000000
228 #define IFC_CM_ERATTR0_ERAID 0x0FF00000
229 #define IFC_CM_ERATTR0_ERAID_SHIFT 20
230 #define IFC_CM_ERATTR0_ESRCID 0x0000FF00
231 #define IFC_CM_ERATTR0_ESRCID_SHIFT 8
232
233 /*
234 * Clock Control Register (CCR)
235 */
236 #define IFC_CCR_MASK 0x0F0F8800
237 /* Clock division ratio */
238 #define IFC_CCR_CLK_DIV_MASK 0x0F000000
239 #define IFC_CCR_CLK_DIV_SHIFT 24
240 #define IFC_CCR_CLK_DIV(n) ((n-1) << IFC_CCR_CLK_DIV_SHIFT)
241 /* IFC Clock Delay */
242 #define IFC_CCR_CLK_DLY_MASK 0x000F0000
243 #define IFC_CCR_CLK_DLY_SHIFT 16
244 #define IFC_CCR_CLK_DLY(n) ((n) << IFC_CCR_CLK_DLY_SHIFT)
245 /* Invert IFC clock before sending out */
246 #define IFC_CCR_INV_CLK_EN 0x00008000
247 /* Fedback IFC Clock */
248 #define IFC_CCR_FB_IFC_CLK_SEL 0x00000800
249
250 /*
251 * Clock Status Register (CSR)
252 */
253 /* Clk is stable */
254 #define IFC_CSR_CLK_STAT_STABLE 0x80000000
255
256 /*
257 * IFC_NAND Machine Specific Registers
258 */
259 /*
260 * NAND Configuration Register (NCFGR)
261 */
262 /* Auto Boot Mode */
263 #define IFC_NAND_NCFGR_BOOT 0x80000000
264 /* SRAM Initialization */
265 #define IFC_NAND_NCFGR_SRAM_INIT_EN 0x20000000
266 /* Addressing Mode-ROW0+n/COL0 */
267 #define IFC_NAND_NCFGR_ADDR_MODE_RC0 0x00000000
268 /* Addressing Mode-ROW0+n/COL0+n */
269 #define IFC_NAND_NCFGR_ADDR_MODE_RC1 0x00400000
270 /* Number of loop iterations of FIR sequences for multi page operations */
271 #define IFC_NAND_NCFGR_NUM_LOOP_MASK 0x0000F000
272 #define IFC_NAND_NCFGR_NUM_LOOP_SHIFT 12
273 #define IFC_NAND_NCFGR_NUM_LOOP(n) ((n) << IFC_NAND_NCFGR_NUM_LOOP_SHIFT)
274 /* Number of wait cycles */
275 #define IFC_NAND_NCFGR_NUM_WAIT_MASK 0x000000FF
276 #define IFC_NAND_NCFGR_NUM_WAIT_SHIFT 0
277
278 /*
279 * NAND Flash Command Registers (NAND_FCR0/NAND_FCR1)
280 */
281 /* General purpose FCM flash command bytes CMD0-CMD7 */
282 #define IFC_NAND_FCR0_CMD0 0xFF000000
283 #define IFC_NAND_FCR0_CMD0_SHIFT 24
284 #define IFC_NAND_FCR0_CMD1 0x00FF0000
285 #define IFC_NAND_FCR0_CMD1_SHIFT 16
286 #define IFC_NAND_FCR0_CMD2 0x0000FF00
287 #define IFC_NAND_FCR0_CMD2_SHIFT 8
288 #define IFC_NAND_FCR0_CMD3 0x000000FF
289 #define IFC_NAND_FCR0_CMD3_SHIFT 0
290 #define IFC_NAND_FCR1_CMD4 0xFF000000
291 #define IFC_NAND_FCR1_CMD4_SHIFT 24
292 #define IFC_NAND_FCR1_CMD5 0x00FF0000
293 #define IFC_NAND_FCR1_CMD5_SHIFT 16
294 #define IFC_NAND_FCR1_CMD6 0x0000FF00
295 #define IFC_NAND_FCR1_CMD6_SHIFT 8
296 #define IFC_NAND_FCR1_CMD7 0x000000FF
297 #define IFC_NAND_FCR1_CMD7_SHIFT 0
298
299 /*
300 * Flash ROW and COL Address Register (ROWn, COLn)
301 */
302 /* Main/spare region locator */
303 #define IFC_NAND_COL_MS 0x80000000
304 /* Column Address */
305 #define IFC_NAND_COL_CA_MASK 0x00000FFF
306
307 /*
308 * NAND Flash Byte Count Register (NAND_BC)
309 */
310 /* Byte Count for read/Write */
311 #define IFC_NAND_BC 0x000001FF
312
313 /*
314 * NAND Flash Instruction Registers (NAND_FIR0/NAND_FIR1/NAND_FIR2)
315 */
316 /* NAND Machine specific opcodes OP0-OP14*/
317 #define IFC_NAND_FIR0_OP0 0xFC000000
318 #define IFC_NAND_FIR0_OP0_SHIFT 26
319 #define IFC_NAND_FIR0_OP1 0x03F00000
320 #define IFC_NAND_FIR0_OP1_SHIFT 20
321 #define IFC_NAND_FIR0_OP2 0x000FC000
322 #define IFC_NAND_FIR0_OP2_SHIFT 14
323 #define IFC_NAND_FIR0_OP3 0x00003F00
324 #define IFC_NAND_FIR0_OP3_SHIFT 8
325 #define IFC_NAND_FIR0_OP4 0x000000FC
326 #define IFC_NAND_FIR0_OP4_SHIFT 2
327 #define IFC_NAND_FIR1_OP5 0xFC000000
328 #define IFC_NAND_FIR1_OP5_SHIFT 26
329 #define IFC_NAND_FIR1_OP6 0x03F00000
330 #define IFC_NAND_FIR1_OP6_SHIFT 20
331 #define IFC_NAND_FIR1_OP7 0x000FC000
332 #define IFC_NAND_FIR1_OP7_SHIFT 14
333 #define IFC_NAND_FIR1_OP8 0x00003F00
334 #define IFC_NAND_FIR1_OP8_SHIFT 8
335 #define IFC_NAND_FIR1_OP9 0x000000FC
336 #define IFC_NAND_FIR1_OP9_SHIFT 2
337 #define IFC_NAND_FIR2_OP10 0xFC000000
338 #define IFC_NAND_FIR2_OP10_SHIFT 26
339 #define IFC_NAND_FIR2_OP11 0x03F00000
340 #define IFC_NAND_FIR2_OP11_SHIFT 20
341 #define IFC_NAND_FIR2_OP12 0x000FC000
342 #define IFC_NAND_FIR2_OP12_SHIFT 14
343 #define IFC_NAND_FIR2_OP13 0x00003F00
344 #define IFC_NAND_FIR2_OP13_SHIFT 8
345 #define IFC_NAND_FIR2_OP14 0x000000FC
346 #define IFC_NAND_FIR2_OP14_SHIFT 2
347
348 /*
349 * Instruction opcodes to be programmed
350 * in FIR registers- 6bits
351 */
352 enum ifc_nand_fir_opcodes {
353 IFC_FIR_OP_NOP,
354 IFC_FIR_OP_CA0,
355 IFC_FIR_OP_CA1,
356 IFC_FIR_OP_CA2,
357 IFC_FIR_OP_CA3,
358 IFC_FIR_OP_RA0,
359 IFC_FIR_OP_RA1,
360 IFC_FIR_OP_RA2,
361 IFC_FIR_OP_RA3,
362 IFC_FIR_OP_CMD0,
363 IFC_FIR_OP_CMD1,
364 IFC_FIR_OP_CMD2,
365 IFC_FIR_OP_CMD3,
366 IFC_FIR_OP_CMD4,
367 IFC_FIR_OP_CMD5,
368 IFC_FIR_OP_CMD6,
369 IFC_FIR_OP_CMD7,
370 IFC_FIR_OP_CW0,
371 IFC_FIR_OP_CW1,
372 IFC_FIR_OP_CW2,
373 IFC_FIR_OP_CW3,
374 IFC_FIR_OP_CW4,
375 IFC_FIR_OP_CW5,
376 IFC_FIR_OP_CW6,
377 IFC_FIR_OP_CW7,
378 IFC_FIR_OP_WBCD,
379 IFC_FIR_OP_RBCD,
380 IFC_FIR_OP_BTRD,
381 IFC_FIR_OP_RDSTAT,
382 IFC_FIR_OP_NWAIT,
383 IFC_FIR_OP_WFR,
384 IFC_FIR_OP_SBRD,
385 IFC_FIR_OP_UA,
386 IFC_FIR_OP_RB,
387 };
388
389 /*
390 * NAND Chip Select Register (NAND_CSEL)
391 */
392 #define IFC_NAND_CSEL 0x0C000000
393 #define IFC_NAND_CSEL_SHIFT 26
394 #define IFC_NAND_CSEL_CS0 0x00000000
395 #define IFC_NAND_CSEL_CS1 0x04000000
396 #define IFC_NAND_CSEL_CS2 0x08000000
397 #define IFC_NAND_CSEL_CS3 0x0C000000
398
399 /*
400 * NAND Operation Sequence Start (NANDSEQ_STRT)
401 */
402 /* NAND Flash Operation Start */
403 #define IFC_NAND_SEQ_STRT_FIR_STRT 0x80000000
404 /* Automatic Erase */
405 #define IFC_NAND_SEQ_STRT_AUTO_ERS 0x00800000
406 /* Automatic Program */
407 #define IFC_NAND_SEQ_STRT_AUTO_PGM 0x00100000
408 /* Automatic Copyback */
409 #define IFC_NAND_SEQ_STRT_AUTO_CPB 0x00020000
410 /* Automatic Read Operation */
411 #define IFC_NAND_SEQ_STRT_AUTO_RD 0x00004000
412 /* Automatic Status Read */
413 #define IFC_NAND_SEQ_STRT_AUTO_STAT_RD 0x00000800
414
415 /*
416 * NAND Event and Error Status Register (NAND_EVTER_STAT)
417 */
418 /* Operation Complete */
419 #define IFC_NAND_EVTER_STAT_OPC 0x80000000
420 /* Flash Timeout Error */
421 #define IFC_NAND_EVTER_STAT_FTOER 0x08000000
422 /* Write Protect Error */
423 #define IFC_NAND_EVTER_STAT_WPER 0x04000000
424 /* ECC Error */
425 #define IFC_NAND_EVTER_STAT_ECCER 0x02000000
426 /* RCW Load Done */
427 #define IFC_NAND_EVTER_STAT_RCW_DN 0x00008000
428 /* Boot Loadr Done */
429 #define IFC_NAND_EVTER_STAT_BOOT_DN 0x00004000
430 /* Bad Block Indicator search select */
431 #define IFC_NAND_EVTER_STAT_BBI_SRCH_SE 0x00000800
432
433 /*
434 * NAND Flash Page Read Completion Event Status Register
435 * (PGRDCMPL_EVT_STAT)
436 */
437 #define PGRDCMPL_EVT_STAT_MASK 0xFFFF0000
438 /* Small Page 0-15 Done */
439 #define PGRDCMPL_EVT_STAT_SECTION_SP(n) (1 << (31 - (n)))
440 /* Large Page(2K) 0-3 Done */
441 #define PGRDCMPL_EVT_STAT_LP_2K(n) (0xF << (28 - (n)*4))
442 /* Large Page(4K) 0-1 Done */
443 #define PGRDCMPL_EVT_STAT_LP_4K(n) (0xFF << (24 - (n)*8))
444
445 /*
446 * NAND Event and Error Enable Register (NAND_EVTER_EN)
447 */
448 /* Operation complete event enable */
449 #define IFC_NAND_EVTER_EN_OPC_EN 0x80000000
450 /* Page read complete event enable */
451 #define IFC_NAND_EVTER_EN_PGRDCMPL_EN 0x20000000
452 /* Flash Timeout error enable */
453 #define IFC_NAND_EVTER_EN_FTOER_EN 0x08000000
454 /* Write Protect error enable */
455 #define IFC_NAND_EVTER_EN_WPER_EN 0x04000000
456 /* ECC error logging enable */
457 #define IFC_NAND_EVTER_EN_ECCER_EN 0x02000000
458
459 /*
460 * NAND Event and Error Interrupt Enable Register (NAND_EVTER_INTR_EN)
461 */
462 /* Enable interrupt for operation complete */
463 #define IFC_NAND_EVTER_INTR_OPCIR_EN 0x80000000
464 /* Enable interrupt for Page read complete */
465 #define IFC_NAND_EVTER_INTR_PGRDCMPLIR_EN 0x20000000
466 /* Enable interrupt for Flash timeout error */
467 #define IFC_NAND_EVTER_INTR_FTOERIR_EN 0x08000000
468 /* Enable interrupt for Write protect error */
469 #define IFC_NAND_EVTER_INTR_WPERIR_EN 0x04000000
470 /* Enable interrupt for ECC error*/
471 #define IFC_NAND_EVTER_INTR_ECCERIR_EN 0x02000000
472
473 /*
474 * NAND Transfer Error Attribute Register-0 (NAND_ERATTR0)
475 */
476 #define IFC_NAND_ERATTR0_MASK 0x0C080000
477 /* Error on CS0-3 for NAND */
478 #define IFC_NAND_ERATTR0_ERCS_CS0 0x00000000
479 #define IFC_NAND_ERATTR0_ERCS_CS1 0x04000000
480 #define IFC_NAND_ERATTR0_ERCS_CS2 0x08000000
481 #define IFC_NAND_ERATTR0_ERCS_CS3 0x0C000000
482 /* Transaction type of error Read/Write */
483 #define IFC_NAND_ERATTR0_ERTTYPE_READ 0x00080000
484
485 /*
486 * NAND Flash Status Register (NAND_FSR)
487 */
488 /* First byte of data read from read status op */
489 #define IFC_NAND_NFSR_RS0 0xFF000000
490 /* Second byte of data read from read status op */
491 #define IFC_NAND_NFSR_RS1 0x00FF0000
492
493 /*
494 * ECC Error Status Registers (ECCSTAT0-ECCSTAT3)
495 */
496 /* Number of ECC errors on sector n (n = 0-15) */
497 #define IFC_NAND_ECCSTAT0_ERRCNT_SECTOR0_MASK 0x0F000000
498 #define IFC_NAND_ECCSTAT0_ERRCNT_SECTOR0_SHIFT 24
499 #define IFC_NAND_ECCSTAT0_ERRCNT_SECTOR1_MASK 0x000F0000
500 #define IFC_NAND_ECCSTAT0_ERRCNT_SECTOR1_SHIFT 16
501 #define IFC_NAND_ECCSTAT0_ERRCNT_SECTOR2_MASK 0x00000F00
502 #define IFC_NAND_ECCSTAT0_ERRCNT_SECTOR2_SHIFT 8
503 #define IFC_NAND_ECCSTAT0_ERRCNT_SECTOR3_MASK 0x0000000F
504 #define IFC_NAND_ECCSTAT0_ERRCNT_SECTOR3_SHIFT 0
505 #define IFC_NAND_ECCSTAT1_ERRCNT_SECTOR4_MASK 0x0F000000
506 #define IFC_NAND_ECCSTAT1_ERRCNT_SECTOR4_SHIFT 24
507 #define IFC_NAND_ECCSTAT1_ERRCNT_SECTOR5_MASK 0x000F0000
508 #define IFC_NAND_ECCSTAT1_ERRCNT_SECTOR5_SHIFT 16
509 #define IFC_NAND_ECCSTAT1_ERRCNT_SECTOR6_MASK 0x00000F00
510 #define IFC_NAND_ECCSTAT1_ERRCNT_SECTOR6_SHIFT 8
511 #define IFC_NAND_ECCSTAT1_ERRCNT_SECTOR7_MASK 0x0000000F
512 #define IFC_NAND_ECCSTAT1_ERRCNT_SECTOR7_SHIFT 0
513 #define IFC_NAND_ECCSTAT2_ERRCNT_SECTOR8_MASK 0x0F000000
514 #define IFC_NAND_ECCSTAT2_ERRCNT_SECTOR8_SHIFT 24
515 #define IFC_NAND_ECCSTAT2_ERRCNT_SECTOR9_MASK 0x000F0000
516 #define IFC_NAND_ECCSTAT2_ERRCNT_SECTOR9_SHIFT 16
517 #define IFC_NAND_ECCSTAT2_ERRCNT_SECTOR10_MASK 0x00000F00
518 #define IFC_NAND_ECCSTAT2_ERRCNT_SECTOR10_SHIFT 8
519 #define IFC_NAND_ECCSTAT2_ERRCNT_SECTOR11_MASK 0x0000000F
520 #define IFC_NAND_ECCSTAT2_ERRCNT_SECTOR11_SHIFT 0
521 #define IFC_NAND_ECCSTAT3_ERRCNT_SECTOR12_MASK 0x0F000000
522 #define IFC_NAND_ECCSTAT3_ERRCNT_SECTOR12_SHIFT 24
523 #define IFC_NAND_ECCSTAT3_ERRCNT_SECTOR13_MASK 0x000F0000
524 #define IFC_NAND_ECCSTAT3_ERRCNT_SECTOR13_SHIFT 16
525 #define IFC_NAND_ECCSTAT3_ERRCNT_SECTOR14_MASK 0x00000F00
526 #define IFC_NAND_ECCSTAT3_ERRCNT_SECTOR14_SHIFT 8
527 #define IFC_NAND_ECCSTAT3_ERRCNT_SECTOR15_MASK 0x0000000F
528 #define IFC_NAND_ECCSTAT3_ERRCNT_SECTOR15_SHIFT 0
529
530 /*
531 * NAND Control Register (NANDCR)
532 */
533 #define IFC_NAND_NCR_FTOCNT_MASK 0x1E000000
534 #define IFC_NAND_NCR_FTOCNT_SHIFT 25
535 #define IFC_NAND_NCR_FTOCNT(n) ((_ilog2(n) - 8) << IFC_NAND_NCR_FTOCNT_SHIFT)
536
537 /*
538 * NAND_AUTOBOOT_TRGR
539 */
540 /* Trigger RCW load */
541 #define IFC_NAND_AUTOBOOT_TRGR_RCW_LD 0x80000000
542 /* Trigget Auto Boot */
543 #define IFC_NAND_AUTOBOOT_TRGR_BOOT_LD 0x20000000
544
545 /*
546 * NAND_MDR
547 */
548 /* 1st read data byte when opcode SBRD */
549 #define IFC_NAND_MDR_RDATA0 0xFF000000
550 /* 2nd read data byte when opcode SBRD */
551 #define IFC_NAND_MDR_RDATA1 0x00FF0000
552
553 /*
554 * NOR Machine Specific Registers
555 */
556 /*
557 * NOR Event and Error Status Register (NOR_EVTER_STAT)
558 */
559 /* NOR Command Sequence Operation Complete */
560 #define IFC_NOR_EVTER_STAT_OPC_NOR 0x80000000
561 /* Write Protect Error */
562 #define IFC_NOR_EVTER_STAT_WPER 0x04000000
563 /* Command Sequence Timeout Error */
564 #define IFC_NOR_EVTER_STAT_STOER 0x01000000
565
566 /*
567 * NOR Event and Error Enable Register (NOR_EVTER_EN)
568 */
569 /* NOR Command Seq complete event enable */
570 #define IFC_NOR_EVTER_EN_OPCEN_NOR 0x80000000
571 /* Write Protect Error Checking Enable */
572 #define IFC_NOR_EVTER_EN_WPEREN 0x04000000
573 /* Timeout Error Enable */
574 #define IFC_NOR_EVTER_EN_STOEREN 0x01000000
575
576 /*
577 * NOR Event and Error Interrupt Enable Register (NOR_EVTER_INTR_EN)
578 */
579 /* Enable interrupt for OPC complete */
580 #define IFC_NOR_EVTER_INTR_OPCEN_NOR 0x80000000
581 /* Enable interrupt for write protect error */
582 #define IFC_NOR_EVTER_INTR_WPEREN 0x04000000
583 /* Enable interrupt for timeout error */
584 #define IFC_NOR_EVTER_INTR_STOEREN 0x01000000
585
586 /*
587 * NOR Transfer Error Attribute Register-0 (NOR_ERATTR0)
588 */
589 /* Source ID for error transaction */
590 #define IFC_NOR_ERATTR0_ERSRCID 0xFF000000
591 /* AXI ID for error transation */
592 #define IFC_NOR_ERATTR0_ERAID 0x000FF000
593 /* Chip select corresponds to NOR error */
594 #define IFC_NOR_ERATTR0_ERCS_CS0 0x00000000
595 #define IFC_NOR_ERATTR0_ERCS_CS1 0x00000010
596 #define IFC_NOR_ERATTR0_ERCS_CS2 0x00000020
597 #define IFC_NOR_ERATTR0_ERCS_CS3 0x00000030
598 /* Type of transaction read/write */
599 #define IFC_NOR_ERATTR0_ERTYPE_READ 0x00000001
600
601 /*
602 * NOR Transfer Error Attribute Register-2 (NOR_ERATTR2)
603 */
604 #define IFC_NOR_ERATTR2_ER_NUM_PHASE_EXP 0x000F0000
605 #define IFC_NOR_ERATTR2_ER_NUM_PHASE_PER 0x00000F00
606
607 /*
608 * NOR Control Register (NORCR)
609 */
610 #define IFC_NORCR_MASK 0x0F0F0000
611 /* No. of Address/Data Phase */
612 #define IFC_NORCR_NUM_PHASE_MASK 0x0F000000
613 #define IFC_NORCR_NUM_PHASE_SHIFT 24
614 #define IFC_NORCR_NUM_PHASE(n) ((n-1) << IFC_NORCR_NUM_PHASE_SHIFT)
615 /* Sequence Timeout Count */
616 #define IFC_NORCR_STOCNT_MASK 0x000F0000
617 #define IFC_NORCR_STOCNT_SHIFT 16
618 #define IFC_NORCR_STOCNT(n) ((__ilog2(n) - 8) << IFC_NORCR_STOCNT_SHIFT)
619
620 /*
621 * GPCM Machine specific registers
622 */
623 /*
624 * GPCM Event and Error Status Register (GPCM_EVTER_STAT)
625 */
626 /* Timeout error */
627 #define IFC_GPCM_EVTER_STAT_TOER 0x04000000
628 /* Parity error */
629 #define IFC_GPCM_EVTER_STAT_PER 0x01000000
630
631 /*
632 * GPCM Event and Error Enable Register (GPCM_EVTER_EN)
633 */
634 /* Timeout error enable */
635 #define IFC_GPCM_EVTER_EN_TOER_EN 0x04000000
636 /* Parity error enable */
637 #define IFC_GPCM_EVTER_EN_PER_EN 0x01000000
638
639 /*
640 * GPCM Event and Error Interrupt Enable Register (GPCM_EVTER_INTR_EN)
641 */
642 /* Enable Interrupt for timeout error */
643 #define IFC_GPCM_EEIER_TOERIR_EN 0x04000000
644 /* Enable Interrupt for Parity error */
645 #define IFC_GPCM_EEIER_PERIR_EN 0x01000000
646
647 /*
648 * GPCM Transfer Error Attribute Register-0 (GPCM_ERATTR0)
649 */
650 /* Source ID for error transaction */
651 #define IFC_GPCM_ERATTR0_ERSRCID 0xFF000000
652 /* AXI ID for error transaction */
653 #define IFC_GPCM_ERATTR0_ERAID 0x000FF000
654 /* Chip select corresponds to GPCM error */
655 #define IFC_GPCM_ERATTR0_ERCS_CS0 0x00000000
656 #define IFC_GPCM_ERATTR0_ERCS_CS1 0x00000040
657 #define IFC_GPCM_ERATTR0_ERCS_CS2 0x00000080
658 #define IFC_GPCM_ERATTR0_ERCS_CS3 0x000000C0
659 /* Type of transaction read/Write */
660 #define IFC_GPCM_ERATTR0_ERTYPE_READ 0x00000001
661
662 /*
663 * GPCM Transfer Error Attribute Register-2 (GPCM_ERATTR2)
664 */
665 /* On which beat of address/data parity error is observed */
666 #define IFC_GPCM_ERATTR2_PERR_BEAT 0x00000C00
667 /* Parity Error on byte */
668 #define IFC_GPCM_ERATTR2_PERR_BYTE 0x000000F0
669 /* Parity Error reported in addr or data phase */
670 #define IFC_GPCM_ERATTR2_PERR_DATA_PHASE 0x00000001
671
672 /*
673 * GPCM Status Register (GPCM_STAT)
674 */
675 #define IFC_GPCM_STAT_BSY 0x80000000 /* GPCM is busy */
676
677 /*
678 * IFC Controller NAND Machine registers
679 */
680 struct fsl_ifc_nand {
681 __be32 ncfgr;
682 u32 res1[0x4];
683 __be32 nand_fcr0;
684 __be32 nand_fcr1;
685 u32 res2[0x8];
686 __be32 row0;
687 u32 res3;
688 __be32 col0;
689 u32 res4;
690 __be32 row1;
691 u32 res5;
692 __be32 col1;
693 u32 res6;
694 __be32 row2;
695 u32 res7;
696 __be32 col2;
697 u32 res8;
698 __be32 row3;
699 u32 res9;
700 __be32 col3;
701 u32 res10[0x24];
702 __be32 nand_fbcr;
703 u32 res11;
704 __be32 nand_fir0;
705 __be32 nand_fir1;
706 __be32 nand_fir2;
707 u32 res12[0x10];
708 __be32 nand_csel;
709 u32 res13;
710 __be32 nandseq_strt;
711 u32 res14;
712 __be32 nand_evter_stat;
713 u32 res15;
714 __be32 pgrdcmpl_evt_stat;
715 u32 res16[0x2];
716 __be32 nand_evter_en;
717 u32 res17[0x2];
718 __be32 nand_evter_intr_en;
719 __be32 nand_vol_addr_stat;
720 u32 res18;
721 __be32 nand_erattr0;
722 __be32 nand_erattr1;
723 u32 res19[0x10];
724 __be32 nand_fsr;
725 u32 res20;
726 __be32 nand_eccstat[8];
727 u32 res21[0x1c];
728 __be32 nanndcr;
729 u32 res22[0x2];
730 __be32 nand_autoboot_trgr;
731 u32 res23;
732 __be32 nand_mdr;
733 u32 res24[0x1C];
734 __be32 nand_dll_lowcfg0;
735 __be32 nand_dll_lowcfg1;
736 u32 res25;
737 __be32 nand_dll_lowstat;
738 u32 res26[0x3c];
739 };
740
741 /*
742 * IFC controller NOR Machine registers
743 */
744 struct fsl_ifc_nor {
745 __be32 nor_evter_stat;
746 u32 res1[0x2];
747 __be32 nor_evter_en;
748 u32 res2[0x2];
749 __be32 nor_evter_intr_en;
750 u32 res3[0x2];
751 __be32 nor_erattr0;
752 __be32 nor_erattr1;
753 __be32 nor_erattr2;
754 u32 res4[0x4];
755 __be32 norcr;
756 u32 res5[0xEF];
757 };
758
759 /*
760 * IFC controller GPCM Machine registers
761 */
762 struct fsl_ifc_gpcm {
763 __be32 gpcm_evter_stat;
764 u32 res1[0x2];
765 __be32 gpcm_evter_en;
766 u32 res2[0x2];
767 __be32 gpcm_evter_intr_en;
768 u32 res3[0x2];
769 __be32 gpcm_erattr0;
770 __be32 gpcm_erattr1;
771 __be32 gpcm_erattr2;
772 __be32 gpcm_stat;
773 };
774
775 /*
776 * IFC Controller Registers
777 */
778 struct fsl_ifc_global {
779 __be32 ifc_rev;
780 u32 res1[0x2];
781 struct {
782 __be32 cspr_ext;
783 __be32 cspr;
784 u32 res2;
785 } cspr_cs[FSL_IFC_BANK_COUNT];
786 u32 res3[0xd];
787 struct {
788 __be32 amask;
789 u32 res4[0x2];
790 } amask_cs[FSL_IFC_BANK_COUNT];
791 u32 res5[0xc];
792 struct {
793 __be32 csor;
794 __be32 csor_ext;
795 u32 res6;
796 } csor_cs[FSL_IFC_BANK_COUNT];
797 u32 res7[0xc];
798 struct {
799 __be32 ftim[4];
800 u32 res8[0x8];
801 } ftim_cs[FSL_IFC_BANK_COUNT];
802 u32 res9[0x30];
803 __be32 rb_stat;
804 __be32 rb_map;
805 __be32 wb_map;
806 __be32 ifc_gcr;
807 u32 res10[0x2];
808 __be32 cm_evter_stat;
809 u32 res11[0x2];
810 __be32 cm_evter_en;
811 u32 res12[0x2];
812 __be32 cm_evter_intr_en;
813 u32 res13[0x2];
814 __be32 cm_erattr0;
815 __be32 cm_erattr1;
816 u32 res14[0x2];
817 __be32 ifc_ccr;
818 __be32 ifc_csr;
819 __be32 ddr_ccr_low;
820 };
821
822
823 struct fsl_ifc_runtime {
824 struct fsl_ifc_nand ifc_nand;
825 struct fsl_ifc_nor ifc_nor;
826 struct fsl_ifc_gpcm ifc_gpcm;
827 };
828
829 extern unsigned int convert_ifc_address(phys_addr_t addr_base);
830 extern int fsl_ifc_find(phys_addr_t addr_base);
831
832 /* overview of the fsl ifc controller */
833
834 struct fsl_ifc_ctrl {
835 /* device info */
836 struct device *dev;
837 struct fsl_ifc_global __iomem *gregs;
838 struct fsl_ifc_runtime __iomem *rregs;
839 int irq;
840 int nand_irq;
841 spinlock_t lock;
842 void *nand;
843 int version;
844 int banks;
845
846 u32 nand_stat;
847 wait_queue_head_t nand_wait;
848 bool little_endian;
849 };
850
851 extern struct fsl_ifc_ctrl *fsl_ifc_ctrl_dev;
852
853 static inline u32 ifc_in32(void __iomem *addr)
854 {
855 u32 val;
856
857 if (fsl_ifc_ctrl_dev->little_endian)
858 val = ioread32(addr);
859 else
860 val = ioread32be(addr);
861
862 return val;
863 }
864
865 static inline u16 ifc_in16(void __iomem *addr)
866 {
867 u16 val;
868
869 if (fsl_ifc_ctrl_dev->little_endian)
870 val = ioread16(addr);
871 else
872 val = ioread16be(addr);
873
874 return val;
875 }
876
877 static inline u8 ifc_in8(void __iomem *addr)
878 {
879 return ioread8(addr);
880 }
881
882 static inline void ifc_out32(u32 val, void __iomem *addr)
883 {
884 if (fsl_ifc_ctrl_dev->little_endian)
885 iowrite32(val, addr);
886 else
887 iowrite32be(val, addr);
888 }
889
890 static inline void ifc_out16(u16 val, void __iomem *addr)
891 {
892 if (fsl_ifc_ctrl_dev->little_endian)
893 iowrite16(val, addr);
894 else
895 iowrite16be(val, addr);
896 }
897
898 static inline void ifc_out8(u8 val, void __iomem *addr)
899 {
900 iowrite8(val, addr);
901 }
902
903 #endif /* __ASM_FSL_IFC_H */
904
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