drivers/usb/host/r8a66597.h

   1 /*
   2  * R8A66597 HCD (Host Controller Driver) for u-boot
   3  *
   4  * Copyright (C) 2008  Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
   5  *
   6  * SPDX-License-Identifier:     GPL-2.0
   7  */
   8
   9 #ifndef __R8A66597_H__
  10 #define __R8A66597_H__
  11
  12 #define SYSCFG0         0x00
  13 #define SYSCFG1         0x02
  14 #define SYSSTS0         0x04
  15 #define SYSSTS1         0x06
  16 #define DVSTCTR0        0x08
  17 #define DVSTCTR1        0x0A
  18 #define TESTMODE        0x0C
  19 #define PINCFG          0x0E
  20 #define DMA0CFG         0x10
  21 #define DMA1CFG         0x12
  22 #define CFIFO           0x14
  23 #define D0FIFO          0x18
  24 #define D1FIFO          0x1C
  25 #define CFIFOSEL        0x20
  26 #define CFIFOCTR        0x22
  27 #define CFIFOSIE        0x24
  28 #define D0FIFOSEL       0x28
  29 #define D0FIFOCTR       0x2A
  30 #define D1FIFOSEL       0x2C
  31 #define D1FIFOCTR       0x2E
  32 #define INTENB0         0x30
  33 #define INTENB1         0x32
  34 #define INTENB2         0x34
  35 #define BRDYENB         0x36
  36 #define NRDYENB         0x38
  37 #define BEMPENB         0x3A
  38 #define SOFCFG          0x3C
  39 #define INTSTS0         0x40
  40 #define INTSTS1         0x42
  41 #define INTSTS2         0x44
  42 #define BRDYSTS         0x46
  43 #define NRDYSTS         0x48
  44 #define BEMPSTS         0x4A
  45 #define FRMNUM          0x4C
  46 #define UFRMNUM         0x4E
  47 #define USBADDR         0x50
  48 #define USBREQ          0x54
  49 #define USBVAL          0x56
  50 #define USBINDX         0x58
  51 #define USBLENG         0x5A
  52 #define DCPCFG          0x5C
  53 #define DCPMAXP         0x5E
  54 #define DCPCTR          0x60
  55 #define PIPESEL         0x64
  56 #define PIPECFG         0x68
  57 #define PIPEBUF         0x6A
  58 #define PIPEMAXP        0x6C
  59 #define PIPEPERI        0x6E
  60 #define PIPE1CTR        0x70
  61 #define PIPE2CTR        0x72
  62 #define PIPE3CTR        0x74
  63 #define PIPE4CTR        0x76
  64 #define PIPE5CTR        0x78
  65 #define PIPE6CTR        0x7A
  66 #define PIPE7CTR        0x7C
  67 #define PIPE8CTR        0x7E
  68 #define PIPE9CTR        0x80
  69 #define PIPE1TRE        0x90
  70 #define PIPE1TRN        0x92
  71 #define PIPE2TRE        0x94
  72 #define PIPE2TRN        0x96
  73 #define PIPE3TRE        0x98
  74 #define PIPE3TRN        0x9A
  75 #define PIPE4TRE        0x9C
  76 #define PIPE4TRN        0x9E
  77 #define PIPE5TRE        0xA0
  78 #define PIPE5TRN        0xA2
  79 #define DEVADD0         0xD0
  80 #define DEVADD1         0xD2
  81 #define DEVADD2         0xD4
  82 #define DEVADD3         0xD6
  83 #define DEVADD4         0xD8
  84 #define DEVADD5         0xDA
  85 #define DEVADD6         0xDC
  86 #define DEVADD7         0xDE
  87 #define DEVADD8         0xE0
  88 #define DEVADD9         0xE2
  89 #define DEVADDA         0xE4
  90 #define SUSPMODE0       0x102   /* RZ/A only */
  91
  92 /* System Configuration Control Register */
  93 #if !defined(CONFIG_RZA_USB)
  94 #define XTAL            0xC000  /* b15-14: Crystal selection */
  95 #define   XTAL48         0x8000   /* 48MHz */
  96 #define   XTAL24         0x4000   /* 24MHz */
  97 #define   XTAL12         0x0000   /* 12MHz */
  98 #define XCKE            0x2000  /* b13: External clock enable */
  99 #define PLLC            0x0800  /* b11: PLL control */
 100 #define SCKE            0x0400  /* b10: USB clock enable */
 101 #define PCSDIS          0x0200  /* b9: not CS wakeup */
 102 #define LPSME           0x0100  /* b8: Low power sleep mode */
 103 #endif
 104 #define HSE             0x0080  /* b7: Hi-speed enable */
 105 #define DCFM            0x0040  /* b6: Controller function select  */
 106 #define DRPD            0x0020  /* b5: D+/- pull down control */
 107 #define DPRPU           0x0010  /* b4: D+ pull up control */
 108 #if defined(CONFIG_RZA_USB)
 109 #define XTAL            0x0004  /* b2: Crystal selection */
 110 #define   XTAL12         0x0004   /* 12MHz */
 111 #define   XTAL48         0x0000   /* 48MHz */
 112 #define UPLLE           0x0002  /* b1: internal PLL control */
 113 #endif
 114 #define USBE            0x0001  /* b0: USB module operation enable */
 115
 116 /* System Configuration Status Register */
 117 #define OVCBIT          0x8000  /* b15-14: Over-current bit */
 118 #define OVCMON          0xC000  /* b15-14: Over-current monitor */
 119 #define SOFEA           0x0020  /* b5: SOF monitor */
 120 #define IDMON           0x0004  /* b3: ID-pin monitor */
 121 #define LNST            0x0003  /* b1-0: D+, D- line status */
 122 #define   SE1            0x0003   /* SE1 */
 123 #define   FS_KSTS        0x0002   /* Full-Speed K State */
 124 #define   FS_JSTS        0x0001   /* Full-Speed J State */
 125 #define   LS_JSTS        0x0002   /* Low-Speed J State */
 126 #define   LS_KSTS        0x0001   /* Low-Speed K State */
 127 #define   SE0            0x0000   /* SE0 */
 128
 129 /* Device State Control Register */
 130 #define EXTLP0          0x0400  /* b10: External port */
 131 #define VBOUT           0x0200  /* b9: VBUS output */
 132 #define WKUP            0x0100  /* b8: Remote wakeup */
 133 #define RWUPE           0x0080  /* b7: Remote wakeup sense */
 134 #define USBRST          0x0040  /* b6: USB reset enable */
 135 #define RESUME          0x0020  /* b5: Resume enable */
 136 #define UACT            0x0010  /* b4: USB bus enable */
 137 #define RHST            0x0007  /* b1-0: Reset handshake status */
 138 #define   HSPROC         0x0004   /* HS handshake is processing */
 139 #define   HSMODE         0x0003   /* Hi-Speed mode */
 140 #define   FSMODE         0x0002   /* Full-Speed mode */
 141 #define   LSMODE         0x0001   /* Low-Speed mode */
 142 #define   UNDECID        0x0000   /* Undecided */
 143
 144 /* Test Mode Register */
 145 #define UTST                    0x000F  /* b3-0: Test select */
 146 #define   H_TST_PACKET           0x000C   /* HOST TEST Packet */
 147 #define   H_TST_SE0_NAK          0x000B   /* HOST TEST SE0 NAK */
 148 #define   H_TST_K                0x000A   /* HOST TEST K */
 149 #define   H_TST_J                0x0009   /* HOST TEST J */
 150 #define   H_TST_NORMAL           0x0000   /* HOST Normal Mode */
 151 #define   P_TST_PACKET           0x0004   /* PERI TEST Packet */
 152 #define   P_TST_SE0_NAK          0x0003   /* PERI TEST SE0 NAK */
 153 #define   P_TST_K                0x0002   /* PERI TEST K */
 154 #define   P_TST_J                0x0001   /* PERI TEST J */
 155 #define   P_TST_NORMAL           0x0000   /* PERI Normal Mode */
 156
 157 /* Data Pin Configuration Register */
 158 #define LDRV                    0x8000  /* b15: Drive Current Adjust */
 159 #define   VIF1                    0x0000                /* VIF = 1.8V */
 160 #define   VIF3                    0x8000                /* VIF = 3.3V */
 161 #define INTA                    0x0001  /* b1: USB INT-pin active */
 162
 163 /* DMAx Pin Configuration Register */
 164 #define DREQA                   0x4000  /* b14: Dreq active select */
 165 #define BURST                   0x2000  /* b13: Burst mode */
 166 #define DACKA                   0x0400  /* b10: Dack active select */
 167 #define DFORM                   0x0380  /* b9-7: DMA mode select */
 168 #define   CPU_ADR_RD_WR          0x0000   /* Address + RD/WR mode (CPU bus) */
 169 #define   CPU_DACK_RD_WR         0x0100   /* DACK + RD/WR mode (CPU bus) */
 170 #define   CPU_DACK_ONLY          0x0180   /* DACK only mode (CPU bus) */
 171 #define   SPLIT_DACK_ONLY        0x0200   /* DACK only mode (SPLIT bus) */
 172 #define DENDA                   0x0040  /* b6: Dend active select */
 173 #define PKTM                    0x0020  /* b5: Packet mode */
 174 #define DENDE                   0x0010  /* b4: Dend enable */
 175 #define OBUS                    0x0004  /* b2: OUTbus mode */
 176
 177 /* CFIFO/DxFIFO Port Select Register */
 178 #define RCNT            0x8000  /* b15: Read count mode */
 179 #define REW             0x4000  /* b14: Buffer rewind */
 180 #define DCLRM           0x2000  /* b13: DMA buffer clear mode */
 181 #define DREQE           0x1000  /* b12: DREQ output enable */
 182 #if defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
 183 #define MBW             0x0800
 184 #else
 185 #if !defined(CONFIG_RZA_USB)
 186 #define MBW             0x0400  /* b10: Maximum bit width for FIFO access */
 187 #else
 188 #define MBW             0x0800  /* b10: Maximum bit width for FIFO access */
 189 #endif
 190 #endif
 191 #define   MBW_8          0x0000   /*  8bit */
 192 #define   MBW_16         0x0400   /* 16bit */
 193 #define   MBW_32         0x0800   /* 32bit */
 194 #define BIGEND          0x0100  /* b8: Big endian mode */
 195 #define   BYTE_LITTLE    0x0000         /* little dendian */
 196 #define   BYTE_BIG       0x0100         /* big endifan */
 197 #define ISEL            0x0020  /* b5: DCP FIFO port direction select */
 198 #define CURPIPE         0x000F  /* b2-0: PIPE select */
 199
 200 /* CFIFO/DxFIFO Port Control Register */
 201 #define BVAL            0x8000  /* b15: Buffer valid flag */
 202 #define BCLR            0x4000  /* b14: Buffer clear */
 203 #define FRDY            0x2000  /* b13: FIFO ready */
 204 #define DTLN            0x0FFF  /* b11-0: FIFO received data length */
 205
 206 /* Interrupt Enable Register 0 */
 207 #define VBSE    0x8000  /* b15: VBUS interrupt */
 208 #define RSME    0x4000  /* b14: Resume interrupt */
 209 #define SOFE    0x2000  /* b13: Frame update interrupt */
 210 #define DVSE    0x1000  /* b12: Device state transition interrupt */
 211 #define CTRE    0x0800  /* b11: Control transfer stage transition interrupt */
 212 #define BEMPE   0x0400  /* b10: Buffer empty interrupt */
 213 #define NRDYE   0x0200  /* b9: Buffer not ready interrupt */
 214 #define BRDYE   0x0100  /* b8: Buffer ready interrupt */
 215
 216 /* Interrupt Enable Register 1 */
 217 #define OVRCRE          0x8000  /* b15: Over-current interrupt */
 218 #define BCHGE           0x4000  /* b14: USB us chenge interrupt */
 219 #define DTCHE           0x1000  /* b12: Detach sense interrupt */
 220 #define ATTCHE          0x0800  /* b11: Attach sense interrupt */
 221 #define EOFERRE         0x0040  /* b6: EOF error interrupt */
 222 #define SIGNE           0x0020  /* b5: SETUP IGNORE interrupt */
 223 #define SACKE           0x0010  /* b4: SETUP ACK interrupt */
 224
 225 /* BRDY Interrupt Enable/Status Register */
 226 #define BRDY9           0x0200  /* b9: PIPE9 */
 227 #define BRDY8           0x0100  /* b8: PIPE8 */
 228 #define BRDY7           0x0080  /* b7: PIPE7 */
 229 #define BRDY6           0x0040  /* b6: PIPE6 */
 230 #define BRDY5           0x0020  /* b5: PIPE5 */
 231 #define BRDY4           0x0010  /* b4: PIPE4 */
 232 #define BRDY3           0x0008  /* b3: PIPE3 */
 233 #define BRDY2           0x0004  /* b2: PIPE2 */
 234 #define BRDY1           0x0002  /* b1: PIPE1 */
 235 #define BRDY0           0x0001  /* b1: PIPE0 */
 236
 237 /* NRDY Interrupt Enable/Status Register */
 238 #define NRDY9           0x0200  /* b9: PIPE9 */
 239 #define NRDY8           0x0100  /* b8: PIPE8 */
 240 #define NRDY7           0x0080  /* b7: PIPE7 */
 241 #define NRDY6           0x0040  /* b6: PIPE6 */
 242 #define NRDY5           0x0020  /* b5: PIPE5 */
 243 #define NRDY4           0x0010  /* b4: PIPE4 */
 244 #define NRDY3           0x0008  /* b3: PIPE3 */
 245 #define NRDY2           0x0004  /* b2: PIPE2 */
 246 #define NRDY1           0x0002  /* b1: PIPE1 */
 247 #define NRDY0           0x0001  /* b1: PIPE0 */
 248
 249 /* BEMP Interrupt Enable/Status Register */
 250 #define BEMP9           0x0200  /* b9: PIPE9 */
 251 #define BEMP8           0x0100  /* b8: PIPE8 */
 252 #define BEMP7           0x0080  /* b7: PIPE7 */
 253 #define BEMP6           0x0040  /* b6: PIPE6 */
 254 #define BEMP5           0x0020  /* b5: PIPE5 */
 255 #define BEMP4           0x0010  /* b4: PIPE4 */
 256 #define BEMP3           0x0008  /* b3: PIPE3 */
 257 #define BEMP2           0x0004  /* b2: PIPE2 */
 258 #define BEMP1           0x0002  /* b1: PIPE1 */
 259 #define BEMP0           0x0001  /* b0: PIPE0 */
 260
 261 /* SOF Pin Configuration Register */
 262 #define TRNENSEL        0x0100  /* b8: Select transaction enable period */
 263 #define BRDYM           0x0040  /* b6: BRDY clear timing */
 264 #define INTL            0x0020  /* b5: Interrupt sense select */
 265 #define EDGESTS         0x0010  /* b4:  */
 266 #define SOFMODE         0x000C  /* b3-2: SOF pin select */
 267 #define   SOF_125US      0x0008   /* SOF OUT 125us Frame Signal */
 268 #define   SOF_1MS        0x0004   /* SOF OUT 1ms Frame Signal */
 269 #define   SOF_DISABLE    0x0000   /* SOF OUT Disable */
 270
 271 /* Interrupt Status Register 0 */
 272 #define VBINT   0x8000  /* b15: VBUS interrupt */
 273 #define RESM    0x4000  /* b14: Resume interrupt */
 274 #define SOFR    0x2000  /* b13: SOF frame update interrupt */
 275 #define DVST    0x1000  /* b12: Device state transition interrupt */
 276 #define CTRT    0x0800  /* b11: Control transfer stage transition interrupt */
 277 #define BEMP    0x0400  /* b10: Buffer empty interrupt */
 278 #define NRDY    0x0200  /* b9: Buffer not ready interrupt */
 279 #define BRDY    0x0100  /* b8: Buffer ready interrupt */
 280 #define VBSTS   0x0080  /* b7: VBUS input port */
 281 #define DVSQ    0x0070  /* b6-4: Device state */
 282 #define   DS_SPD_CNFG    0x0070   /* Suspend Configured */
 283 #define   DS_SPD_ADDR    0x0060   /* Suspend Address */
 284 #define   DS_SPD_DFLT    0x0050   /* Suspend Default */
 285 #define   DS_SPD_POWR    0x0040   /* Suspend Powered */
 286 #define   DS_SUSP        0x0040   /* Suspend */
 287 #define   DS_CNFG        0x0030   /* Configured */
 288 #define   DS_ADDS        0x0020   /* Address */
 289 #define   DS_DFLT        0x0010   /* Default */
 290 #define   DS_POWR        0x0000   /* Powered */
 291 #define DVSQS           0x0030  /* b5-4: Device state */
 292 #define VALID           0x0008  /* b3: Setup packet detected flag */
 293 #define CTSQ            0x0007  /* b2-0: Control transfer stage */
 294 #define   CS_SQER        0x0006   /* Sequence error */
 295 #define   CS_WRND        0x0005   /* Control write nodata status stage */
 296 #define   CS_WRSS        0x0004   /* Control write status stage */
 297 #define   CS_WRDS        0x0003   /* Control write data stage */
 298 #define   CS_RDSS        0x0002   /* Control read status stage */
 299 #define   CS_RDDS        0x0001   /* Control read data stage */
 300 #define   CS_IDST        0x0000   /* Idle or setup stage */
 301
 302 /* Interrupt Status Register 1 */
 303 #define OVRCR           0x8000  /* b15: Over-current interrupt */
 304 #define BCHG            0x4000  /* b14: USB bus chenge interrupt */
 305 #define DTCH            0x1000  /* b12: Detach sense interrupt */
 306 #define ATTCH           0x0800  /* b11: Attach sense interrupt */
 307 #define EOFERR          0x0040  /* b6: EOF-error interrupt */
 308 #define SIGN            0x0020  /* b5: Setup ignore interrupt */
 309 #define SACK            0x0010  /* b4: Setup acknowledge interrupt */
 310
 311 /* Frame Number Register */
 312 #define OVRN            0x8000  /* b15: Overrun error */
 313 #define CRCE            0x4000  /* b14: Received data error */
 314 #define FRNM            0x07FF  /* b10-0: Frame number */
 315
 316 /* Micro Frame Number Register */
 317 #define UFRNM           0x0007  /* b2-0: Micro frame number */
 318
 319 /* Default Control Pipe Maxpacket Size Register */
 320 /* Pipe Maxpacket Size Register */
 321 #define DEVSEL  0xF000  /* b15-14: Device address select */
 322 #define MAXP    0x007F  /* b6-0: Maxpacket size of default control pipe */
 323
 324 /* Default Control Pipe Control Register */
 325 #define BSTS            0x8000  /* b15: Buffer status */
 326 #define SUREQ           0x4000  /* b14: Send USB request  */
 327 #define CSCLR           0x2000  /* b13: complete-split status clear */
 328 #define CSSTS           0x1000  /* b12: complete-split status */
 329 #define SUREQCLR        0x0800  /* b11: stop setup request */
 330 #define SQCLR           0x0100  /* b8: Sequence toggle bit clear */
 331 #define SQSET           0x0080  /* b7: Sequence toggle bit set */
 332 #define SQMON           0x0040  /* b6: Sequence toggle bit monitor */
 333 #define PBUSY           0x0020  /* b5: pipe busy */
 334 #define PINGE           0x0010  /* b4: ping enable */
 335 #define CCPL            0x0004  /* b2: Enable control transfer complete */
 336 #define PID             0x0003  /* b1-0: Response PID */
 337 #define   PID_STALL11    0x0003   /* STALL */
 338 #define   PID_STALL      0x0002   /* STALL */
 339 #define   PID_BUF        0x0001   /* BUF */
 340 #define   PID_NAK        0x0000   /* NAK */
 341
 342 /* Pipe Window Select Register */
 343 #define PIPENM          0x0007  /* b2-0: Pipe select */
 344
 345 /* Pipe Configuration Register */
 346 #define R8A66597_TYP    0xC000  /* b15-14: Transfer type */
 347 #define   R8A66597_ISO   0xC000           /* Isochronous */
 348 #define   R8A66597_INT   0x8000           /* Interrupt */
 349 #define   R8A66597_BULK  0x4000           /* Bulk */
 350 #define R8A66597_BFRE   0x0400  /* b10: Buffer ready interrupt mode select */
 351 #define R8A66597_DBLB   0x0200  /* b9: Double buffer mode select */
 352 #define R8A66597_CNTMD  0x0100  /* b8: Continuous transfer mode select */
 353 #define R8A66597_SHTNAK 0x0080  /* b7: Transfer end NAK */
 354 #define R8A66597_DIR    0x0010  /* b4: Transfer direction select */
 355 #define R8A66597_EPNUM  0x000F  /* b3-0: Eendpoint number select */
 356
 357 /* Pipe Buffer Configuration Register */
 358 #define BUFSIZE         0x7C00  /* b14-10: Pipe buffer size */
 359 #define BUFNMB          0x007F  /* b6-0: Pipe buffer number */
 360 #define PIPE0BUF        256
 361 #define PIPExBUF        64
 362
 363 /* Pipe Maxpacket Size Register */
 364 #define MXPS            0x07FF  /* b10-0: Maxpacket size */
 365
 366 /* Pipe Cycle Configuration Register */
 367 #define IFIS    0x1000  /* b12: Isochronous in-buffer flush mode select */
 368 #define IITV    0x0007  /* b2-0: Isochronous interval */
 369
 370 /* Pipex Control Register */
 371 #define BSTS    0x8000  /* b15: Buffer status */
 372 #define INBUFM  0x4000  /* b14: IN buffer monitor (Only for PIPE1 to 5) */
 373 #define CSCLR   0x2000  /* b13: complete-split status clear */
 374 #define CSSTS   0x1000  /* b12: complete-split status */
 375 #define ATREPM  0x0400  /* b10: Auto repeat mode */
 376 #define ACLRM   0x0200  /* b9: Out buffer auto clear mode */
 377 #define SQCLR   0x0100  /* b8: Sequence toggle bit clear */
 378 #define SQSET   0x0080  /* b7: Sequence toggle bit set */
 379 #define SQMON   0x0040  /* b6: Sequence toggle bit monitor */
 380 #define PBUSY   0x0020  /* b5: pipe busy */
 381 #define PID     0x0003  /* b1-0: Response PID */
 382
 383 /* PIPExTRE */
 384 #define TRENB           0x0200  /* b9: Transaction counter enable */
 385 #define TRCLR           0x0100  /* b8: Transaction counter clear */
 386
 387 /* PIPExTRN */
 388 #define TRNCNT          0xFFFF  /* b15-0: Transaction counter */
 389
 390 /* DEVADDx */
 391 #define UPPHUB          0x7800
 392 #define HUBPORT         0x0700
 393 #define USBSPD          0x00C0
 394 #define RTPORT          0x0001
 395
 396 /* Suspend Mode Register */
 397 #define SUSPM           0x4000 /* b14: Suspend */
 398
 399 #define R8A66597_MAX_NUM_PIPE           10
 400 #define R8A66597_BUF_BSIZE              8
 401 #define R8A66597_MAX_DEVICE             10
 402 #if defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
 403 #define R8A66597_MAX_ROOT_HUB           1
 404 #else
 405 #define R8A66597_MAX_ROOT_HUB           2
 406 #endif
 407 #define R8A66597_MAX_SAMPLING           5
 408 #define R8A66597_RH_POLL_TIME           10
 409
 410 #define BULK_IN_PIPENUM         3
 411 #define BULK_IN_BUFNUM          8
 412
 413 #define BULK_OUT_PIPENUM        4
 414 #define BULK_OUT_BUFNUM         40
 415
 416 #define check_bulk_or_isoc(pipenum)     ((pipenum >= 1 && pipenum <= 5))
 417 #define check_interrupt(pipenum)        ((pipenum >= 6 && pipenum <= 9))
 418 #define make_devsel(addr)               (addr << 12)
 419
 420 struct r8a66597 {
 421         unsigned long reg;
 422         unsigned short pipe_config;     /* bit field */
 423         unsigned short port_status;
 424         unsigned short port_change;
 425         u16 speed;      /* HSMODE or FSMODE or LSMODE */
 426         unsigned char rh_devnum;
 427 };
 428
 429 static inline u16 r8a66597_read(struct r8a66597 *r8a66597, unsigned long offset)
 430 {
 431         return inw(r8a66597->reg + offset);
 432 }
 433
 434 static inline void r8a66597_read_fifo(struct r8a66597 *r8a66597,
 435                                       unsigned long offset, void *buf,
 436                                       int len)
 437 {
 438         int i;
 439 #if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) || defined(CONFIG_RZA_USB)
 440         unsigned long fifoaddr = r8a66597->reg + offset;
 441         unsigned long count;
 442         unsigned long *p = buf;
 443
 444         count = len / 4;
 445         for (i = 0; i < count; i++)
 446                 p[i] = inl(r8a66597->reg + offset);
 447
 448         if (len & 0x00000003) {
 449                 unsigned long tmp = inl(fifoaddr);
 450                 memcpy((unsigned char *)buf + count * 4, &tmp, len & 0x03);
 451         }
 452 #else
 453         unsigned short *p = buf;
 454
 455         len = (len + 1) / 2;
 456         for (i = 0; i < len; i++)
 457                 p[i] = inw(r8a66597->reg + offset);
 458 #endif
 459 }
 460
 461 static inline void r8a66597_write(struct r8a66597 *r8a66597, u16 val,
 462                                   unsigned long offset)
 463 {
 464         outw(val, r8a66597->reg + offset);
 465 }
 466
 467 static inline void r8a66597_write_fifo(struct r8a66597 *r8a66597,
 468                                        unsigned long offset, void *buf,
 469                                        int len)
 470 {
 471         int i;
 472         unsigned long fifoaddr = r8a66597->reg + offset;
 473 #if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) || defined(CONFIG_RZA_USB)
 474         unsigned long count;
 475         unsigned char *pb;
 476         unsigned long *p = buf;
 477
 478         count = len / 4;
 479         for (i = 0; i < count; i++)
 480                 outl(p[i], fifoaddr);
 481
 482         if (len & 0x00000003) {
 483                 pb = (unsigned char *)buf + count * 4;
 484                 for (i = 0; i < (len & 0x00000003); i++) {
 485                         if (r8a66597_read(r8a66597, CFIFOSEL) & BIGEND)
 486                                 outb(pb[i], fifoaddr + i);
 487                         else
 488                                 outb(pb[i], fifoaddr + 3 - i);
 489                 }
 490         }
 491 #else
 492         int odd = len & 0x0001;
 493         unsigned short *p = buf;
 494
 495         len = len / 2;
 496         for (i = 0; i < len; i++)
 497                 outw(p[i], fifoaddr);
 498
 499         if (odd) {
 500                 unsigned char *pb = (unsigned char *)(buf + len);
 501                 outb(*pb, fifoaddr);
 502         }
 503 #endif
 504 }
 505
 506 static inline void r8a66597_mdfy(struct r8a66597 *r8a66597,
 507                                  u16 val, u16 pat, unsigned long offset)
 508 {
 509         u16 tmp;
 510         tmp = r8a66597_read(r8a66597, offset);
 511         tmp = tmp & (~pat);
 512         tmp = tmp | val;
 513         r8a66597_write(r8a66597, tmp, offset);
 514 }
 515
 516 #define r8a66597_bclr(r8a66597, val, offset)    \
 517                         r8a66597_mdfy(r8a66597, 0, val, offset)
 518 #define r8a66597_bset(r8a66597, val, offset)    \
 519                         r8a66597_mdfy(r8a66597, val, 0, offset)
 520
 521 static inline unsigned long get_syscfg_reg(int port)
 522 {
 523         return port == 0 ? SYSCFG0 : SYSCFG1;
 524 }
 525
 526 static inline unsigned long get_syssts_reg(int port)
 527 {
 528         return port == 0 ? SYSSTS0 : SYSSTS1;
 529 }
 530
 531 static inline unsigned long get_dvstctr_reg(int port)
 532 {
 533         return port == 0 ? DVSTCTR0 : DVSTCTR1;
 534 }
 535
 536 static inline unsigned long get_dmacfg_reg(int port)
 537 {
 538         return port == 0 ? DMA0CFG : DMA1CFG;
 539 }
 540
 541 static inline unsigned long get_intenb_reg(int port)
 542 {
 543         return port == 0 ? INTENB1 : INTENB2;
 544 }
 545
 546 static inline unsigned long get_intsts_reg(int port)
 547 {
 548         return port == 0 ? INTSTS1 : INTSTS2;
 549 }
 550
 551 static inline u16 get_rh_usb_speed(struct r8a66597 *r8a66597, int port)
 552 {
 553         unsigned long dvstctr_reg = get_dvstctr_reg(port);
 554
 555         return r8a66597_read(r8a66597, dvstctr_reg) & RHST;
 556 }
 557
 558 static inline void r8a66597_port_power(struct r8a66597 *r8a66597, int port,
 559                                        int power)
 560 {
 561         unsigned long dvstctr_reg = get_dvstctr_reg(port);
 562
 563         if (power)
 564                 r8a66597_bset(r8a66597, VBOUT, dvstctr_reg);
 565         else
 566                 r8a66597_bclr(r8a66597, VBOUT, dvstctr_reg);
 567 }
 568
 569 #define get_pipectr_addr(pipenum)       (PIPE1CTR + (pipenum - 1) * 2)
 570 #define get_pipetre_addr(pipenum)       (PIPE1TRE + (pipenum - 1) * 4)
 571 #define get_pipetrn_addr(pipenum)       (PIPE1TRN + (pipenum - 1) * 4)
 572 #define get_devadd_addr(address)        (DEVADD0 + address * 2)
 573
 574
 575 /* USB HUB CONSTANTS (not OHCI-specific; see hub.h, based on usb_ohci.h) */
 576
 577 /* destination of request */
 578 #define RH_INTERFACE               0x01
 579 #define RH_ENDPOINT                0x02
 580 #define RH_OTHER                   0x03
 581
 582 #define RH_CLASS                   0x20
 583 #define RH_VENDOR                  0x40
 584
 585 /* Requests: bRequest << 8 | bmRequestType */
 586 #define RH_GET_STATUS           0x0080
 587 #define RH_CLEAR_FEATURE        0x0100
 588 #define RH_SET_FEATURE          0x0300
 589 #define RH_SET_ADDRESS          0x0500
 590 #define RH_GET_DESCRIPTOR       0x0680
 591 #define RH_SET_DESCRIPTOR       0x0700
 592 #define RH_GET_CONFIGURATION    0x0880
 593 #define RH_SET_CONFIGURATION    0x0900
 594 #define RH_GET_STATE            0x0280
 595 #define RH_GET_INTERFACE        0x0A80
 596 #define RH_SET_INTERFACE        0x0B00
 597 #define RH_SYNC_FRAME           0x0C80
 598 /* Our Vendor Specific Request */
 599 #define RH_SET_EP               0x2000
 600
 601 /* Hub port features */
 602 #define RH_PORT_CONNECTION         0x00
 603 #define RH_PORT_ENABLE             0x01
 604 #define RH_PORT_SUSPEND            0x02
 605 #define RH_PORT_OVER_CURRENT       0x03
 606 #define RH_PORT_RESET              0x04
 607 #define RH_PORT_POWER              0x08
 608 #define RH_PORT_LOW_SPEED          0x09
 609
 610 #define RH_C_PORT_CONNECTION       0x10
 611 #define RH_C_PORT_ENABLE           0x11
 612 #define RH_C_PORT_SUSPEND          0x12
 613 #define RH_C_PORT_OVER_CURRENT     0x13
 614 #define RH_C_PORT_RESET            0x14
 615
 616 /* Hub features */
 617 #define RH_C_HUB_LOCAL_POWER       0x00
 618 #define RH_C_HUB_OVER_CURRENT      0x01
 619
 620 #define RH_DEVICE_REMOTE_WAKEUP    0x00
 621 #define RH_ENDPOINT_STALL          0x01
 622
 623 #define RH_ACK                     0x01
 624 #define RH_REQ_ERR                 -1
 625 #define RH_NACK                    0x00
 626
 627 /* OHCI ROOT HUB REGISTER MASKS */
 628
 629 /* roothub.portstatus [i] bits */
 630 #define RH_PS_CCS       0x00000001      /* current connect status */
 631 #define RH_PS_PES       0x00000002      /* port enable status*/
 632 #define RH_PS_PSS       0x00000004      /* port suspend status */
 633 #define RH_PS_POCI      0x00000008      /* port over current indicator */
 634 #define RH_PS_PRS       0x00000010      /* port reset status */
 635 #define RH_PS_PPS       0x00000100      /* port power status */
 636 #define RH_PS_LSDA      0x00000200      /* low speed device attached */
 637 #define RH_PS_CSC       0x00010000      /* connect status change */
 638 #define RH_PS_PESC      0x00020000      /* port enable status change */
 639 #define RH_PS_PSSC      0x00040000      /* port suspend status change */
 640 #define RH_PS_OCIC      0x00080000      /* over current indicator change */
 641 #define RH_PS_PRSC      0x00100000      /* port reset status change */
 642
 643 /* roothub.status bits */
 644 #define RH_HS_LPS       0x00000001      /* local power status */
 645 #define RH_HS_OCI       0x00000002      /* over current indicator */
 646 #define RH_HS_DRWE      0x00008000      /* device remote wakeup enable */
 647 #define RH_HS_LPSC      0x00010000      /* local power status change */
 648 #define RH_HS_OCIC      0x00020000      /* over current indicator change */
 649 #define RH_HS_CRWE      0x80000000      /* clear remote wakeup enable */
 650
 651 /* roothub.b masks */
 652 #define RH_B_DR         0x0000ffff      /* device removable flags */
 653 #define RH_B_PPCM       0xffff0000      /* port power control mask */
 654
 655 /* roothub.a masks */
 656 #define RH_A_NDP        (0xff << 0)     /* number of downstream ports */
 657 #define RH_A_PSM        (1 << 8)        /* power switching mode */
 658 #define RH_A_NPS        (1 << 9)        /* no power switching */
 659 #define RH_A_DT         (1 << 10)       /* device type (mbz) */
 660 #define RH_A_OCPM       (1 << 11)       /* over current protection mode */
 661 #define RH_A_NOCP       (1 << 12)       /* no over current protection */
 662 #define RH_A_POTPGT     (0xff << 24)    /* power on to power good time */
 663
 664 #endif  /* __R8A66597_H__ */