include/linux/fsl_ifc.h

   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 */