include/asm-alpha/core_tsunami.h

   1 #ifndef __ALPHA_TSUNAMI__H__
   2 #define __ALPHA_TSUNAMI__H__
   3
   4 #include <linux/types.h>
   5 #include <asm/compiler.h>
   6
   7 /*
   8  * TSUNAMI/TYPHOON are the internal names for the core logic chipset which
   9  * provides memory controller and PCI access for the 21264 based systems.
  10  *
  11  * This file is based on:
  12  *
  13  * Tsunami System Programmers Manual
  14  * Preliminary, Chapters 2-5
  15  *
  16  */
  17
  18 /* XXX: Do we need to conditionalize on this?  */
  19 #ifdef USE_48_BIT_KSEG
  20 #define TS_BIAS 0x80000000000UL
  21 #else
  22 #define TS_BIAS 0x10000000000UL
  23 #endif
  24
  25 /*
  26  * CChip, DChip, and PChip registers
  27  */
  28
  29 typedef struct {
  30         volatile unsigned long csr __attribute__((aligned(64)));
  31 } tsunami_64;
  32
  33 typedef struct {
  34         tsunami_64      csc;
  35         tsunami_64      mtr;
  36         tsunami_64      misc;
  37         tsunami_64      mpd;
  38         tsunami_64      aar0;
  39         tsunami_64      aar1;
  40         tsunami_64      aar2;
  41         tsunami_64      aar3;
  42         tsunami_64      dim0;
  43         tsunami_64      dim1;
  44         tsunami_64      dir0;
  45         tsunami_64      dir1;
  46         tsunami_64      drir;
  47         tsunami_64      prben;
  48         tsunami_64      iic;    /* a.k.a. iic0 */
  49         tsunami_64      wdr;    /* a.k.a. iic1 */
  50         tsunami_64      mpr0;
  51         tsunami_64      mpr1;
  52         tsunami_64      mpr2;
  53         tsunami_64      mpr3;
  54         tsunami_64      mctl;
  55         tsunami_64      __pad1;
  56         tsunami_64      ttr;
  57         tsunami_64      tdr;
  58         tsunami_64      dim2;
  59         tsunami_64      dim3;
  60         tsunami_64      dir2;
  61         tsunami_64      dir3;
  62         tsunami_64      iic2;
  63         tsunami_64      iic3;
  64 } tsunami_cchip;
  65
  66 typedef struct {
  67         tsunami_64      dsc;
  68         tsunami_64      str;
  69         tsunami_64      drev;
  70 } tsunami_dchip;
  71
  72 typedef struct {
  73         tsunami_64      wsba[4];
  74         tsunami_64      wsm[4];
  75         tsunami_64      tba[4];
  76         tsunami_64      pctl;
  77         tsunami_64      plat;
  78         tsunami_64      reserved;
  79         tsunami_64      perror;
  80         tsunami_64      perrmask;
  81         tsunami_64      perrset;
  82         tsunami_64      tlbiv;
  83         tsunami_64      tlbia;
  84         tsunami_64      pmonctl;
  85         tsunami_64      pmoncnt;
  86 } tsunami_pchip;
  87
  88 #define TSUNAMI_cchip  ((tsunami_cchip *)(IDENT_ADDR+TS_BIAS+0x1A0000000UL))
  89 #define TSUNAMI_dchip  ((tsunami_dchip *)(IDENT_ADDR+TS_BIAS+0x1B0000800UL))
  90 #define TSUNAMI_pchip0 ((tsunami_pchip *)(IDENT_ADDR+TS_BIAS+0x180000000UL))
  91 #define TSUNAMI_pchip1 ((tsunami_pchip *)(IDENT_ADDR+TS_BIAS+0x380000000UL))
  92 extern int TSUNAMI_bootcpu;
  93
  94 /*
  95  * TSUNAMI Pchip Error register.
  96  */
  97
  98 #define perror_m_lost 0x1
  99 #define perror_m_serr 0x2
 100 #define perror_m_perr 0x4
 101 #define perror_m_dcrto 0x8
 102 #define perror_m_sge 0x10
 103 #define perror_m_ape 0x20
 104 #define perror_m_ta 0x40
 105 #define perror_m_rdpe 0x80
 106 #define perror_m_nds 0x100
 107 #define perror_m_rto 0x200
 108 #define perror_m_uecc 0x400
 109 #define perror_m_cre 0x800
 110 #define perror_m_addrl 0xFFFFFFFF0000UL
 111 #define perror_m_addrh 0x7000000000000UL
 112 #define perror_m_cmd 0xF0000000000000UL
 113 #define perror_m_syn 0xFF00000000000000UL
 114 union TPchipPERROR {
 115         struct  {
 116                 unsigned int perror_v_lost : 1;
 117                 unsigned perror_v_serr : 1;
 118                 unsigned perror_v_perr : 1;
 119                 unsigned perror_v_dcrto : 1;
 120                 unsigned perror_v_sge : 1;
 121                 unsigned perror_v_ape : 1;
 122                 unsigned perror_v_ta : 1;
 123                 unsigned perror_v_rdpe : 1;
 124                 unsigned perror_v_nds : 1;
 125                 unsigned perror_v_rto : 1;
 126                 unsigned perror_v_uecc : 1;
 127                 unsigned perror_v_cre : 1;
 128                 unsigned perror_v_rsvd1 : 4;
 129                 unsigned perror_v_addrl : 32;
 130                 unsigned perror_v_addrh : 3;
 131                 unsigned perror_v_rsvd2 : 1;
 132                 unsigned perror_v_cmd : 4;
 133                 unsigned perror_v_syn : 8;
 134         } perror_r_bits;
 135         int perror_q_whole [2];
 136 };
 137
 138 /*
 139  * TSUNAMI Pchip Window Space Base Address register.
 140  */
 141 #define wsba_m_ena 0x1
 142 #define wsba_m_sg 0x2
 143 #define wsba_m_ptp 0x4
 144 #define wsba_m_addr 0xFFF00000
 145 #define wmask_k_sz1gb 0x3FF00000
 146 union TPchipWSBA {
 147         struct  {
 148                 unsigned wsba_v_ena : 1;
 149                 unsigned wsba_v_sg : 1;
 150                 unsigned wsba_v_ptp : 1;
 151                 unsigned wsba_v_rsvd1 : 17;
 152                 unsigned wsba_v_addr : 12;
 153                 unsigned wsba_v_rsvd2 : 32;
 154         } wsba_r_bits;
 155         int wsba_q_whole [2];
 156 };
 157
 158 /*
 159  * TSUNAMI Pchip Control Register
 160  */
 161 #define pctl_m_fdsc 0x1
 162 #define pctl_m_fbtb 0x2
 163 #define pctl_m_thdis 0x4
 164 #define pctl_m_chaindis 0x8
 165 #define pctl_m_tgtlat 0x10
 166 #define pctl_m_hole 0x20
 167 #define pctl_m_mwin 0x40
 168 #define pctl_m_arbena 0x80
 169 #define pctl_m_prigrp 0x7F00
 170 #define pctl_m_ppri 0x8000
 171 #define pctl_m_rsvd1 0x30000
 172 #define pctl_m_eccen 0x40000
 173 #define pctl_m_padm 0x80000
 174 #define pctl_m_cdqmax 0xF00000
 175 #define pctl_m_rev 0xFF000000
 176 #define pctl_m_crqmax 0xF00000000UL
 177 #define pctl_m_ptpmax 0xF000000000UL
 178 #define pctl_m_pclkx 0x30000000000UL
 179 #define pctl_m_fdsdis 0x40000000000UL
 180 #define pctl_m_fdwdis 0x80000000000UL
 181 #define pctl_m_ptevrfy 0x100000000000UL
 182 #define pctl_m_rpp 0x200000000000UL
 183 #define pctl_m_pid 0xC00000000000UL
 184 #define pctl_m_rsvd2 0xFFFF000000000000UL
 185
 186 union TPchipPCTL {
 187         struct {
 188                 unsigned pctl_v_fdsc : 1;
 189                 unsigned pctl_v_fbtb : 1;
 190                 unsigned pctl_v_thdis : 1;
 191                 unsigned pctl_v_chaindis : 1;
 192                 unsigned pctl_v_tgtlat : 1;
 193                 unsigned pctl_v_hole : 1;
 194                 unsigned pctl_v_mwin : 1;
 195                 unsigned pctl_v_arbena : 1;
 196                 unsigned pctl_v_prigrp : 7;
 197                 unsigned pctl_v_ppri : 1;
 198                 unsigned pctl_v_rsvd1 : 2;
 199                 unsigned pctl_v_eccen : 1;
 200                 unsigned pctl_v_padm : 1;
 201                 unsigned pctl_v_cdqmax : 4;
 202                 unsigned pctl_v_rev : 8;
 203                 unsigned pctl_v_crqmax : 4;
 204                 unsigned pctl_v_ptpmax : 4;
 205                 unsigned pctl_v_pclkx : 2;
 206                 unsigned pctl_v_fdsdis : 1;
 207                 unsigned pctl_v_fdwdis : 1;
 208                 unsigned pctl_v_ptevrfy : 1;
 209                 unsigned pctl_v_rpp : 1;
 210                 unsigned pctl_v_pid : 2;
 211                 unsigned pctl_v_rsvd2 : 16;
 212         } pctl_r_bits;
 213         int pctl_q_whole [2];
 214 };
 215
 216 /*
 217  * TSUNAMI Pchip Error Mask Register.
 218  */
 219 #define perrmask_m_lost 0x1
 220 #define perrmask_m_serr 0x2
 221 #define perrmask_m_perr 0x4
 222 #define perrmask_m_dcrto 0x8
 223 #define perrmask_m_sge 0x10
 224 #define perrmask_m_ape 0x20
 225 #define perrmask_m_ta 0x40
 226 #define perrmask_m_rdpe 0x80
 227 #define perrmask_m_nds 0x100
 228 #define perrmask_m_rto 0x200
 229 #define perrmask_m_uecc 0x400
 230 #define perrmask_m_cre 0x800
 231 #define perrmask_m_rsvd 0xFFFFFFFFFFFFF000UL
 232 union TPchipPERRMASK {
 233         struct  {
 234                 unsigned int perrmask_v_lost : 1;
 235                 unsigned perrmask_v_serr : 1;
 236                 unsigned perrmask_v_perr : 1;
 237                 unsigned perrmask_v_dcrto : 1;
 238                 unsigned perrmask_v_sge : 1;
 239                 unsigned perrmask_v_ape : 1;
 240                 unsigned perrmask_v_ta : 1;
 241                 unsigned perrmask_v_rdpe : 1;
 242                 unsigned perrmask_v_nds : 1;
 243                 unsigned perrmask_v_rto : 1;
 244                 unsigned perrmask_v_uecc : 1;
 245                 unsigned perrmask_v_cre : 1;
 246                 unsigned perrmask_v_rsvd1 : 20;
 247                 unsigned perrmask_v_rsvd2 : 32;
 248         } perrmask_r_bits;
 249         int perrmask_q_whole [2];
 250 };
 251
 252 /*
 253  * Memory spaces:
 254  */
 255 #define TSUNAMI_HOSE(h)         (((unsigned long)(h)) << 33)
 256 #define TSUNAMI_BASE            (IDENT_ADDR + TS_BIAS)
 257
 258 #define TSUNAMI_MEM(h)          (TSUNAMI_BASE+TSUNAMI_HOSE(h) + 0x000000000UL)
 259 #define _TSUNAMI_IACK_SC(h)     (TSUNAMI_BASE+TSUNAMI_HOSE(h) + 0x1F8000000UL)
 260 #define TSUNAMI_IO(h)           (TSUNAMI_BASE+TSUNAMI_HOSE(h) + 0x1FC000000UL)
 261 #define TSUNAMI_CONF(h)         (TSUNAMI_BASE+TSUNAMI_HOSE(h) + 0x1FE000000UL)
 262
 263 #define TSUNAMI_IACK_SC         _TSUNAMI_IACK_SC(0) /* hack! */
 264
 265
 266 /*
 267  * The canonical non-remaped I/O and MEM addresses have these values
 268  * subtracted out.  This is arranged so that folks manipulating ISA
 269  * devices can use their familiar numbers and have them map to bus 0.
 270  */
 271
 272 #define TSUNAMI_IO_BIAS          TSUNAMI_IO(0)
 273 #define TSUNAMI_MEM_BIAS         TSUNAMI_MEM(0)
 274
 275 /* The IO address space is larger than 0xffff */
 276 #define TSUNAMI_IO_SPACE        (TSUNAMI_CONF(0) - TSUNAMI_IO(0))
 277
 278 /* Offset between ram physical addresses and pci64 DAC bus addresses.  */
 279 #define TSUNAMI_DAC_OFFSET      (1UL << 40)
 280
 281 /*
 282  * Data structure for handling TSUNAMI machine checks:
 283  */
 284 struct el_TSUNAMI_sysdata_mcheck {
 285 };
 286
 287
 288 #ifdef __KERNEL__
 289
 290 #ifndef __EXTERN_INLINE
 291 #define __EXTERN_INLINE extern inline
 292 #define __IO_EXTERN_INLINE
 293 #endif
 294
 295 /*
 296  * I/O functions:
 297  *
 298  * TSUNAMI, the 21??? PCI/memory support chipset for the EV6 (21264)
 299  * can only use linear accesses to get at PCI memory and I/O spaces.
 300  */
 301
 302 #define vucp    volatile unsigned char *
 303 #define vusp    volatile unsigned short *
 304 #define vuip    volatile unsigned int *
 305 #define vulp    volatile unsigned long *
 306
 307 __EXTERN_INLINE u8 tsunami_inb(unsigned long addr)
 308 {
 309         /* ??? I wish I could get rid of this.  But there's no ioremap
 310            equivalent for I/O space.  PCI I/O can be forced into the
 311            correct hose's I/O region, but that doesn't take care of
 312            legacy ISA crap.  */
 313
 314         addr += TSUNAMI_IO_BIAS;
 315         return __kernel_ldbu(*(vucp)addr);
 316 }
 317
 318 __EXTERN_INLINE void tsunami_outb(u8 b, unsigned long addr)
 319 {
 320         addr += TSUNAMI_IO_BIAS;
 321         __kernel_stb(b, *(vucp)addr);
 322         mb();
 323 }
 324
 325 __EXTERN_INLINE u16 tsunami_inw(unsigned long addr)
 326 {
 327         addr += TSUNAMI_IO_BIAS;
 328         return __kernel_ldwu(*(vusp)addr);
 329 }
 330
 331 __EXTERN_INLINE void tsunami_outw(u16 b, unsigned long addr)
 332 {
 333         addr += TSUNAMI_IO_BIAS;
 334         __kernel_stw(b, *(vusp)addr);
 335         mb();
 336 }
 337
 338 __EXTERN_INLINE u32 tsunami_inl(unsigned long addr)
 339 {
 340         addr += TSUNAMI_IO_BIAS;
 341         return *(vuip)addr;
 342 }
 343
 344 __EXTERN_INLINE void tsunami_outl(u32 b, unsigned long addr)
 345 {
 346         addr += TSUNAMI_IO_BIAS;
 347         *(vuip)addr = b;
 348         mb();
 349 }
 350
 351 /*
 352  * Memory functions.  all accesses are done through linear space.
 353  */
 354
 355 __EXTERN_INLINE unsigned long tsunami_ioremap(unsigned long addr,
 356                                               unsigned long size
 357                                               __attribute__((unused)))
 358 {
 359         return addr + TSUNAMI_MEM_BIAS;
 360 }
 361
 362 __EXTERN_INLINE void tsunami_iounmap(unsigned long addr)
 363 {
 364         return;
 365 }
 366
 367 __EXTERN_INLINE int tsunami_is_ioaddr(unsigned long addr)
 368 {
 369         return addr >= TSUNAMI_BASE;
 370 }
 371
 372 __EXTERN_INLINE u8 tsunami_readb(unsigned long addr)
 373 {
 374         return __kernel_ldbu(*(vucp)addr);
 375 }
 376
 377 __EXTERN_INLINE u16 tsunami_readw(unsigned long addr)
 378 {
 379         return __kernel_ldwu(*(vusp)addr);
 380 }
 381
 382 __EXTERN_INLINE u32 tsunami_readl(unsigned long addr)
 383 {
 384         return *(vuip)addr;
 385 }
 386
 387 __EXTERN_INLINE u64 tsunami_readq(unsigned long addr)
 388 {
 389         return *(vulp)addr;
 390 }
 391
 392 __EXTERN_INLINE void tsunami_writeb(u8 b, unsigned long addr)
 393 {
 394         __kernel_stb(b, *(vucp)addr);
 395 }
 396
 397 __EXTERN_INLINE void tsunami_writew(u16 b, unsigned long addr)
 398 {
 399         __kernel_stw(b, *(vusp)addr);
 400 }
 401
 402 __EXTERN_INLINE void tsunami_writel(u32 b, unsigned long addr)
 403 {
 404         *(vuip)addr = b;
 405 }
 406
 407 __EXTERN_INLINE void tsunami_writeq(u64 b, unsigned long addr)
 408 {
 409         *(vulp)addr = b;
 410 }
 411
 412 #undef vucp
 413 #undef vusp
 414 #undef vuip
 415 #undef vulp
 416
 417 #ifdef __WANT_IO_DEF
 418
 419 #define __inb(p)                tsunami_inb((unsigned long)(p))
 420 #define __inw(p)                tsunami_inw((unsigned long)(p))
 421 #define __inl(p)                tsunami_inl((unsigned long)(p))
 422 #define __outb(x,p)             tsunami_outb((x),(unsigned long)(p))
 423 #define __outw(x,p)             tsunami_outw((x),(unsigned long)(p))
 424 #define __outl(x,p)             tsunami_outl((x),(unsigned long)(p))
 425 #define __readb(a)              tsunami_readb((unsigned long)(a))
 426 #define __readw(a)              tsunami_readw((unsigned long)(a))
 427 #define __readl(a)              tsunami_readl((unsigned long)(a))
 428 #define __readq(a)              tsunami_readq((unsigned long)(a))
 429 #define __writeb(x,a)           tsunami_writeb((x),(unsigned long)(a))
 430 #define __writew(x,a)           tsunami_writew((x),(unsigned long)(a))
 431 #define __writel(x,a)           tsunami_writel((x),(unsigned long)(a))
 432 #define __writeq(x,a)           tsunami_writeq((x),(unsigned long)(a))
 433 #define __ioremap(a,s)          tsunami_ioremap((unsigned long)(a),(s))
 434 #define __iounmap(a)            tsunami_iounmap((unsigned long)(a))
 435 #define __is_ioaddr(a)          tsunami_is_ioaddr((unsigned long)(a))
 436
 437 #define inb(p)                  __inb(p)
 438 #define inw(p)                  __inw(p)
 439 #define inl(p)                  __inl(p)
 440 #define outb(x,p)               __outb((x),(p))
 441 #define outw(x,p)               __outw((x),(p))
 442 #define outl(x,p)               __outl((x),(p))
 443 #define __raw_readb(a)          __readb(a)
 444 #define __raw_readw(a)          __readw(a)
 445 #define __raw_readl(a)          __readl(a)
 446 #define __raw_readq(a)          __readq(a)
 447 #define __raw_writeb(v,a)       __writeb((v),(a))
 448 #define __raw_writew(v,a)       __writew((v),(a))
 449 #define __raw_writel(v,a)       __writel((v),(a))
 450 #define __raw_writeq(v,a)       __writeq((v),(a))
 451
 452 #endif /* __WANT_IO_DEF */
 453
 454 #ifdef __IO_EXTERN_INLINE
 455 #undef __EXTERN_INLINE
 456 #undef __IO_EXTERN_INLINE
 457 #endif
 458
 459 #endif /* __KERNEL__ */
 460
 461 #endif /* __ALPHA_TSUNAMI__H__ */