1/* 2 * QUICC Engine (QE) Internal Memory Map. 3 * The Internal Memory Map for devices with QE on them. This 4 * is the superset of all QE devices (8360, etc.). 5 6 * Copyright (C) 2006. Freescale Semicondutor, Inc. All rights reserved. 7 * 8 * Authors: Shlomi Gridish <gridish@freescale.com> 9 * Li Yang <leoli@freescale.com> 10 * 11 * This program is free software; you can redistribute it and/or modify it 12 * under the terms of the GNU General Public License as published by the 13 * Free Software Foundation; either version 2 of the License, or (at your 14 * option) any later version. 15 */ 16#ifndef _ASM_POWERPC_IMMAP_QE_H 17#define _ASM_POWERPC_IMMAP_QE_H 18#ifdef __KERNEL__ 19 20#include <linux/kernel.h> 21#include <asm/io.h> 22 23#define QE_IMMAP_SIZE (1024 * 1024) /* 1MB from 1MB+IMMR */ 24 25/* QE I-RAM */ 26struct qe_iram { 27 __be32 iadd; /* I-RAM Address Register */ 28 __be32 idata; /* I-RAM Data Register */ 29 u8 res0[0x78]; 30} __attribute__ ((packed)); 31 32/* QE Interrupt Controller */ 33struct qe_ic_regs { 34 __be32 qicr; 35 __be32 qivec; 36 __be32 qripnr; 37 __be32 qipnr; 38 __be32 qipxcc; 39 __be32 qipycc; 40 __be32 qipwcc; 41 __be32 qipzcc; 42 __be32 qimr; 43 __be32 qrimr; 44 __be32 qicnr; 45 u8 res0[0x4]; 46 __be32 qiprta; 47 __be32 qiprtb; 48 u8 res1[0x4]; 49 __be32 qricr; 50 u8 res2[0x20]; 51 __be32 qhivec; 52 u8 res3[0x1C]; 53} __attribute__ ((packed)); 54 55/* Communications Processor */ 56struct cp_qe { 57 __be32 cecr; /* QE command register */ 58 __be32 ceccr; /* QE controller configuration register */ 59 __be32 cecdr; /* QE command data register */ 60 u8 res0[0xA]; 61 __be16 ceter; /* QE timer event register */ 62 u8 res1[0x2]; 63 __be16 cetmr; /* QE timers mask register */ 64 __be32 cetscr; /* QE time-stamp timer control register */ 65 __be32 cetsr1; /* QE time-stamp register 1 */ 66 __be32 cetsr2; /* QE time-stamp register 2 */ 67 u8 res2[0x8]; 68 __be32 cevter; /* QE virtual tasks event register */ 69 __be32 cevtmr; /* QE virtual tasks mask register */ 70 __be16 cercr; /* QE RAM control register */ 71 u8 res3[0x2]; 72 u8 res4[0x24]; 73 __be16 ceexe1; /* QE external request 1 event register */ 74 u8 res5[0x2]; 75 __be16 ceexm1; /* QE external request 1 mask register */ 76 u8 res6[0x2]; 77 __be16 ceexe2; /* QE external request 2 event register */ 78 u8 res7[0x2]; 79 __be16 ceexm2; /* QE external request 2 mask register */ 80 u8 res8[0x2]; 81 __be16 ceexe3; /* QE external request 3 event register */ 82 u8 res9[0x2]; 83 __be16 ceexm3; /* QE external request 3 mask register */ 84 u8 res10[0x2]; 85 __be16 ceexe4; /* QE external request 4 event register */ 86 u8 res11[0x2]; 87 __be16 ceexm4; /* QE external request 4 mask register */ 88 u8 res12[0x3A]; 89 __be32 ceurnr; /* QE microcode revision number register */ 90 u8 res13[0x244]; 91} __attribute__ ((packed)); 92 93/* QE Multiplexer */ 94struct qe_mux { 95 __be32 cmxgcr; /* CMX general clock route register */ 96 __be32 cmxsi1cr_l; /* CMX SI1 clock route low register */ 97 __be32 cmxsi1cr_h; /* CMX SI1 clock route high register */ 98 __be32 cmxsi1syr; /* CMX SI1 SYNC route register */ 99 __be32 cmxucr[4]; /* CMX UCCx clock route registers */ 100 __be32 cmxupcr; /* CMX UPC clock route register */ 101 u8 res0[0x1C]; 102} __attribute__ ((packed)); 103 104/* QE Timers */ 105struct qe_timers { 106 u8 gtcfr1; /* Timer 1 and Timer 2 global config register*/ 107 u8 res0[0x3]; 108 u8 gtcfr2; /* Timer 3 and timer 4 global config register*/ 109 u8 res1[0xB]; 110 __be16 gtmdr1; /* Timer 1 mode register */ 111 __be16 gtmdr2; /* Timer 2 mode register */ 112 __be16 gtrfr1; /* Timer 1 reference register */ 113 __be16 gtrfr2; /* Timer 2 reference register */ 114 __be16 gtcpr1; /* Timer 1 capture register */ 115 __be16 gtcpr2; /* Timer 2 capture register */ 116 __be16 gtcnr1; /* Timer 1 counter */ 117 __be16 gtcnr2; /* Timer 2 counter */ 118 __be16 gtmdr3; /* Timer 3 mode register */ 119 __be16 gtmdr4; /* Timer 4 mode register */ 120 __be16 gtrfr3; /* Timer 3 reference register */ 121 __be16 gtrfr4; /* Timer 4 reference register */ 122 __be16 gtcpr3; /* Timer 3 capture register */ 123 __be16 gtcpr4; /* Timer 4 capture register */ 124 __be16 gtcnr3; /* Timer 3 counter */ 125 __be16 gtcnr4; /* Timer 4 counter */ 126 __be16 gtevr1; /* Timer 1 event register */ 127 __be16 gtevr2; /* Timer 2 event register */ 128 __be16 gtevr3; /* Timer 3 event register */ 129 __be16 gtevr4; /* Timer 4 event register */ 130 __be16 gtps; /* Timer 1 prescale register */ 131 u8 res2[0x46]; 132} __attribute__ ((packed)); 133 134/* BRG */ 135struct qe_brg { 136 __be32 brgc[16]; /* BRG configuration registers */ 137 u8 res0[0x40]; 138} __attribute__ ((packed)); 139 140/* SPI */ 141struct spi { 142 u8 res0[0x20]; 143 __be32 spmode; /* SPI mode register */ 144 u8 res1[0x2]; 145 u8 spie; /* SPI event register */ 146 u8 res2[0x1]; 147 u8 res3[0x2]; 148 u8 spim; /* SPI mask register */ 149 u8 res4[0x1]; 150 u8 res5[0x1]; 151 u8 spcom; /* SPI command register */ 152 u8 res6[0x2]; 153 __be32 spitd; /* SPI transmit data register (cpu mode) */ 154 __be32 spird; /* SPI receive data register (cpu mode) */ 155 u8 res7[0x8]; 156} __attribute__ ((packed)); 157 158/* SI */ 159struct si1 { 160 __be16 siamr1; /* SI1 TDMA mode register */ 161 __be16 sibmr1; /* SI1 TDMB mode register */ 162 __be16 sicmr1; /* SI1 TDMC mode register */ 163 __be16 sidmr1; /* SI1 TDMD mode register */ 164 u8 siglmr1_h; /* SI1 global mode register high */ 165 u8 res0[0x1]; 166 u8 sicmdr1_h; /* SI1 command register high */ 167 u8 res2[0x1]; 168 u8 sistr1_h; /* SI1 status register high */ 169 u8 res3[0x1]; 170 __be16 sirsr1_h; /* SI1 RAM shadow address register high */ 171 u8 sitarc1; /* SI1 RAM counter Tx TDMA */ 172 u8 sitbrc1; /* SI1 RAM counter Tx TDMB */ 173 u8 sitcrc1; /* SI1 RAM counter Tx TDMC */ 174 u8 sitdrc1; /* SI1 RAM counter Tx TDMD */ 175 u8 sirarc1; /* SI1 RAM counter Rx TDMA */ 176 u8 sirbrc1; /* SI1 RAM counter Rx TDMB */ 177 u8 sircrc1; /* SI1 RAM counter Rx TDMC */ 178 u8 sirdrc1; /* SI1 RAM counter Rx TDMD */ 179 u8 res4[0x8]; 180 __be16 siemr1; /* SI1 TDME mode register 16 bits */ 181 __be16 sifmr1; /* SI1 TDMF mode register 16 bits */ 182 __be16 sigmr1; /* SI1 TDMG mode register 16 bits */ 183 __be16 sihmr1; /* SI1 TDMH mode register 16 bits */ 184 u8 siglmg1_l; /* SI1 global mode register low 8 bits */ 185 u8 res5[0x1]; 186 u8 sicmdr1_l; /* SI1 command register low 8 bits */ 187 u8 res6[0x1]; 188 u8 sistr1_l; /* SI1 status register low 8 bits */ 189 u8 res7[0x1]; 190 __be16 sirsr1_l; /* SI1 RAM shadow address register low 16 bits*/ 191 u8 siterc1; /* SI1 RAM counter Tx TDME 8 bits */ 192 u8 sitfrc1; /* SI1 RAM counter Tx TDMF 8 bits */ 193 u8 sitgrc1; /* SI1 RAM counter Tx TDMG 8 bits */ 194 u8 sithrc1; /* SI1 RAM counter Tx TDMH 8 bits */ 195 u8 sirerc1; /* SI1 RAM counter Rx TDME 8 bits */ 196 u8 sirfrc1; /* SI1 RAM counter Rx TDMF 8 bits */ 197 u8 sirgrc1; /* SI1 RAM counter Rx TDMG 8 bits */ 198 u8 sirhrc1; /* SI1 RAM counter Rx TDMH 8 bits */ 199 u8 res8[0x8]; 200 __be32 siml1; /* SI1 multiframe limit register */ 201 u8 siedm1; /* SI1 extended diagnostic mode register */ 202 u8 res9[0xBB]; 203} __attribute__ ((packed)); 204 205/* SI Routing Tables */ 206struct sir { 207 u8 tx[0x400]; 208 u8 rx[0x400]; 209 u8 res0[0x800]; 210} __attribute__ ((packed)); 211 212/* USB Controller */ 213struct qe_usb_ctlr { 214 u8 usb_usmod; 215 u8 usb_usadr; 216 u8 usb_uscom; 217 u8 res1[1]; 218 __be16 usb_usep[4]; 219 u8 res2[4]; 220 __be16 usb_usber; 221 u8 res3[2]; 222 __be16 usb_usbmr; 223 u8 res4[1]; 224 u8 usb_usbs; 225 __be16 usb_ussft; 226 u8 res5[2]; 227 __be16 usb_usfrn; 228 u8 res6[0x22]; 229} __attribute__ ((packed)); 230 231/* MCC */ 232struct qe_mcc { 233 __be32 mcce; /* MCC event register */ 234 __be32 mccm; /* MCC mask register */ 235 __be32 mccf; /* MCC configuration register */ 236 __be32 merl; /* MCC emergency request level register */ 237 u8 res0[0xF0]; 238} __attribute__ ((packed)); 239 240/* QE UCC Slow */ 241struct ucc_slow { 242 __be32 gumr_l; /* UCCx general mode register (low) */ 243 __be32 gumr_h; /* UCCx general mode register (high) */ 244 __be16 upsmr; /* UCCx protocol-specific mode register */ 245 u8 res0[0x2]; 246 __be16 utodr; /* UCCx transmit on demand register */ 247 __be16 udsr; /* UCCx data synchronization register */ 248 __be16 ucce; /* UCCx event register */ 249 u8 res1[0x2]; 250 __be16 uccm; /* UCCx mask register */ 251 u8 res2[0x1]; 252 u8 uccs; /* UCCx status register */ 253 u8 res3[0x24]; 254 __be16 utpt; 255 u8 res4[0x52]; 256 u8 guemr; /* UCC general extended mode register */ 257} __attribute__ ((packed)); 258 259/* QE UCC Fast */ 260struct ucc_fast { 261 __be32 gumr; /* UCCx general mode register */ 262 __be32 upsmr; /* UCCx protocol-specific mode register */ 263 __be16 utodr; /* UCCx transmit on demand register */ 264 u8 res0[0x2]; 265 __be16 udsr; /* UCCx data synchronization register */ 266 u8 res1[0x2]; 267 __be32 ucce; /* UCCx event register */ 268 __be32 uccm; /* UCCx mask register */ 269 u8 uccs; /* UCCx status register */ 270 u8 res2[0x7]; 271 __be32 urfb; /* UCC receive FIFO base */ 272 __be16 urfs; /* UCC receive FIFO size */ 273 u8 res3[0x2]; 274 __be16 urfet; /* UCC receive FIFO emergency threshold */ 275 __be16 urfset; /* UCC receive FIFO special emergency 276 threshold */ 277 __be32 utfb; /* UCC transmit FIFO base */ 278 __be16 utfs; /* UCC transmit FIFO size */ 279 u8 res4[0x2]; 280 __be16 utfet; /* UCC transmit FIFO emergency threshold */ 281 u8 res5[0x2]; 282 __be16 utftt; /* UCC transmit FIFO transmit threshold */ 283 u8 res6[0x2]; 284 __be16 utpt; /* UCC transmit polling timer */ 285 u8 res7[0x2]; 286 __be32 urtry; /* UCC retry counter register */ 287 u8 res8[0x4C]; 288 u8 guemr; /* UCC general extended mode register */ 289} __attribute__ ((packed)); 290 291struct ucc { 292 union { 293 struct ucc_slow slow; 294 struct ucc_fast fast; 295 u8 res[0x200]; /* UCC blocks are 512 bytes each */ 296 }; 297} __attribute__ ((packed)); 298 299/* MultiPHY UTOPIA POS Controllers (UPC) */ 300struct upc { 301 __be32 upgcr; /* UTOPIA/POS general configuration register */ 302 __be32 uplpa; /* UTOPIA/POS last PHY address */ 303 __be32 uphec; /* ATM HEC register */ 304 __be32 upuc; /* UTOPIA/POS UCC configuration */ 305 __be32 updc1; /* UTOPIA/POS device 1 configuration */ 306 __be32 updc2; /* UTOPIA/POS device 2 configuration */ 307 __be32 updc3; /* UTOPIA/POS device 3 configuration */ 308 __be32 updc4; /* UTOPIA/POS device 4 configuration */ 309 __be32 upstpa; /* UTOPIA/POS STPA threshold */ 310 u8 res0[0xC]; 311 __be32 updrs1_h; /* UTOPIA/POS device 1 rate select */ 312 __be32 updrs1_l; /* UTOPIA/POS device 1 rate select */ 313 __be32 updrs2_h; /* UTOPIA/POS device 2 rate select */ 314 __be32 updrs2_l; /* UTOPIA/POS device 2 rate select */ 315 __be32 updrs3_h; /* UTOPIA/POS device 3 rate select */ 316 __be32 updrs3_l; /* UTOPIA/POS device 3 rate select */ 317 __be32 updrs4_h; /* UTOPIA/POS device 4 rate select */ 318 __be32 updrs4_l; /* UTOPIA/POS device 4 rate select */ 319 __be32 updrp1; /* UTOPIA/POS device 1 receive priority low */ 320 __be32 updrp2; /* UTOPIA/POS device 2 receive priority low */ 321 __be32 updrp3; /* UTOPIA/POS device 3 receive priority low */ 322 __be32 updrp4; /* UTOPIA/POS device 4 receive priority low */ 323 __be32 upde1; /* UTOPIA/POS device 1 event */ 324 __be32 upde2; /* UTOPIA/POS device 2 event */ 325 __be32 upde3; /* UTOPIA/POS device 3 event */ 326 __be32 upde4; /* UTOPIA/POS device 4 event */ 327 __be16 uprp1; 328 __be16 uprp2; 329 __be16 uprp3; 330 __be16 uprp4; 331 u8 res1[0x8]; 332 __be16 uptirr1_0; /* Device 1 transmit internal rate 0 */ 333 __be16 uptirr1_1; /* Device 1 transmit internal rate 1 */ 334 __be16 uptirr1_2; /* Device 1 transmit internal rate 2 */ 335 __be16 uptirr1_3; /* Device 1 transmit internal rate 3 */ 336 __be16 uptirr2_0; /* Device 2 transmit internal rate 0 */ 337 __be16 uptirr2_1; /* Device 2 transmit internal rate 1 */ 338 __be16 uptirr2_2; /* Device 2 transmit internal rate 2 */ 339 __be16 uptirr2_3; /* Device 2 transmit internal rate 3 */ 340 __be16 uptirr3_0; /* Device 3 transmit internal rate 0 */ 341 __be16 uptirr3_1; /* Device 3 transmit internal rate 1 */ 342 __be16 uptirr3_2; /* Device 3 transmit internal rate 2 */ 343 __be16 uptirr3_3; /* Device 3 transmit internal rate 3 */ 344 __be16 uptirr4_0; /* Device 4 transmit internal rate 0 */ 345 __be16 uptirr4_1; /* Device 4 transmit internal rate 1 */ 346 __be16 uptirr4_2; /* Device 4 transmit internal rate 2 */ 347 __be16 uptirr4_3; /* Device 4 transmit internal rate 3 */ 348 __be32 uper1; /* Device 1 port enable register */ 349 __be32 uper2; /* Device 2 port enable register */ 350 __be32 uper3; /* Device 3 port enable register */ 351 __be32 uper4; /* Device 4 port enable register */ 352 u8 res2[0x150]; 353} __attribute__ ((packed)); 354 355/* SDMA */ 356struct sdma { 357 __be32 sdsr; /* Serial DMA status register */ 358 __be32 sdmr; /* Serial DMA mode register */ 359 __be32 sdtr1; /* SDMA system bus threshold register */ 360 __be32 sdtr2; /* SDMA secondary bus threshold register */ 361 __be32 sdhy1; /* SDMA system bus hysteresis register */ 362 __be32 sdhy2; /* SDMA secondary bus hysteresis register */ 363 __be32 sdta1; /* SDMA system bus address register */ 364 __be32 sdta2; /* SDMA secondary bus address register */ 365 __be32 sdtm1; /* SDMA system bus MSNUM register */ 366 __be32 sdtm2; /* SDMA secondary bus MSNUM register */ 367 u8 res0[0x10]; 368 __be32 sdaqr; /* SDMA address bus qualify register */ 369 __be32 sdaqmr; /* SDMA address bus qualify mask register */ 370 u8 res1[0x4]; 371 __be32 sdebcr; /* SDMA CAM entries base register */ 372 u8 res2[0x38]; 373} __attribute__ ((packed)); 374 375/* Debug Space */ 376struct dbg { 377 __be32 bpdcr; /* Breakpoint debug command register */ 378 __be32 bpdsr; /* Breakpoint debug status register */ 379 __be32 bpdmr; /* Breakpoint debug mask register */ 380 __be32 bprmrr0; /* Breakpoint request mode risc register 0 */ 381 __be32 bprmrr1; /* Breakpoint request mode risc register 1 */ 382 u8 res0[0x8]; 383 __be32 bprmtr0; /* Breakpoint request mode trb register 0 */ 384 __be32 bprmtr1; /* Breakpoint request mode trb register 1 */ 385 u8 res1[0x8]; 386 __be32 bprmir; /* Breakpoint request mode immediate register */ 387 __be32 bprmsr; /* Breakpoint request mode serial register */ 388 __be32 bpemr; /* Breakpoint exit mode register */ 389 u8 res2[0x48]; 390} __attribute__ ((packed)); 391 392/* 393 * RISC Special Registers (Trap and Breakpoint). These are described in 394 * the QE Developer's Handbook. 395 */ 396struct rsp { 397 __be32 tibcr[16]; /* Trap/instruction breakpoint control regs */ 398 u8 res0[64]; 399 __be32 ibcr0; 400 __be32 ibs0; 401 __be32 ibcnr0; 402 u8 res1[4]; 403 __be32 ibcr1; 404 __be32 ibs1; 405 __be32 ibcnr1; 406 __be32 npcr; 407 __be32 dbcr; 408 __be32 dbar; 409 __be32 dbamr; 410 __be32 dbsr; 411 __be32 dbcnr; 412 u8 res2[12]; 413 __be32 dbdr_h; 414 __be32 dbdr_l; 415 __be32 dbdmr_h; 416 __be32 dbdmr_l; 417 __be32 bsr; 418 __be32 bor; 419 __be32 bior; 420 u8 res3[4]; 421 __be32 iatr[4]; 422 __be32 eccr; /* Exception control configuration register */ 423 __be32 eicr; 424 u8 res4[0x100-0xf8]; 425} __attribute__ ((packed)); 426 427struct qe_immap { 428 struct qe_iram iram; /* I-RAM */ 429 struct qe_ic_regs ic; /* Interrupt Controller */ 430 struct cp_qe cp; /* Communications Processor */ 431 struct qe_mux qmx; /* QE Multiplexer */ 432 struct qe_timers qet; /* QE Timers */ 433 struct spi spi[0x2]; /* spi */ 434 struct qe_mcc mcc; /* mcc */ 435 struct qe_brg brg; /* brg */ 436 struct qe_usb_ctlr usb; /* USB */ 437 struct si1 si1; /* SI */ 438 u8 res11[0x800]; 439 struct sir sir; /* SI Routing Tables */ 440 struct ucc ucc1; /* ucc1 */ 441 struct ucc ucc3; /* ucc3 */ 442 struct ucc ucc5; /* ucc5 */ 443 struct ucc ucc7; /* ucc7 */ 444 u8 res12[0x600]; 445 struct upc upc1; /* MultiPHY UTOPIA POS Ctrlr 1*/ 446 struct ucc ucc2; /* ucc2 */ 447 struct ucc ucc4; /* ucc4 */ 448 struct ucc ucc6; /* ucc6 */ 449 struct ucc ucc8; /* ucc8 */ 450 u8 res13[0x600]; 451 struct upc upc2; /* MultiPHY UTOPIA POS Ctrlr 2*/ 452 struct sdma sdma; /* SDMA */ 453 struct dbg dbg; /* 0x104080 - 0x1040FF 454 Debug Space */ 455 struct rsp rsp[0x2]; /* 0x104100 - 0x1042FF 456 RISC Special Registers 457 (Trap and Breakpoint) */ 458 u8 res14[0x300]; /* 0x104300 - 0x1045FF */ 459 u8 res15[0x3A00]; /* 0x104600 - 0x107FFF */ 460 u8 res16[0x8000]; /* 0x108000 - 0x110000 */ 461 u8 muram[0xC000]; /* 0x110000 - 0x11C000 462 Multi-user RAM */ 463 u8 res17[0x24000]; /* 0x11C000 - 0x140000 */ 464 u8 res18[0xC0000]; /* 0x140000 - 0x200000 */ 465} __attribute__ ((packed)); 466 467extern struct qe_immap __iomem *qe_immr; 468extern phys_addr_t get_qe_base(void); 469 470/* 471 * Returns the offset within the QE address space of the given pointer. 472 * 473 * Note that the QE does not support 36-bit physical addresses, so if 474 * get_qe_base() returns a number above 4GB, the caller will probably fail. 475 */ 476static inline phys_addr_t immrbar_virt_to_phys(void *address) 477{ 478 void *q = (void *)qe_immr; 479 480 /* Is it a MURAM address? */ 481 if ((address >= q) && (address < (q + QE_IMMAP_SIZE))) 482 return get_qe_base() + (address - q); 483 484 /* It's an address returned by kmalloc */ 485 return virt_to_phys(address); 486} 487 488#endif /* __KERNEL__ */ 489#endif /* _ASM_POWERPC_IMMAP_QE_H */ 490