1 /* 2 * PowerPC memory management structures 3 */ 4 5 #ifndef _PPC_MMU_H_ 6 #define _PPC_MMU_H_ 7 8 #include <linux/config.h> 9 10 #ifndef __ASSEMBLY__ 11 /* Hardware Page Table Entry */ 12 typedef struct _PTE { 13 #ifdef CONFIG_PPC64BRIDGE 14 unsigned long long vsid:52; 15 unsigned long api:5; 16 unsigned long :5; 17 unsigned long h:1; 18 unsigned long v:1; 19 unsigned long long rpn:52; 20 #else /* CONFIG_PPC64BRIDGE */ 21 unsigned long v:1; /* Entry is valid */ 22 unsigned long vsid:24; /* Virtual segment identifier */ 23 unsigned long h:1; /* Hash algorithm indicator */ 24 unsigned long api:6; /* Abbreviated page index */ 25 unsigned long rpn:20; /* Real (physical) page number */ 26 #endif /* CONFIG_PPC64BRIDGE */ 27 unsigned long :3; /* Unused */ 28 unsigned long r:1; /* Referenced */ 29 unsigned long c:1; /* Changed */ 30 unsigned long w:1; /* Write-thru cache mode */ 31 unsigned long i:1; /* Cache inhibited */ 32 unsigned long m:1; /* Memory coherence */ 33 unsigned long g:1; /* Guarded */ 34 unsigned long :1; /* Unused */ 35 unsigned long pp:2; /* Page protection */ 36 } PTE; 37 38 /* Values for PP (assumes Ks=0, Kp=1) */ 39 #define PP_RWXX 0 /* Supervisor read/write, User none */ 40 #define PP_RWRX 1 /* Supervisor read/write, User read */ 41 #define PP_RWRW 2 /* Supervisor read/write, User read/write */ 42 #define PP_RXRX 3 /* Supervisor read, User read */ 43 44 /* Segment Register */ 45 typedef struct _SEGREG { 46 unsigned long t:1; /* Normal or I/O type */ 47 unsigned long ks:1; /* Supervisor 'key' (normally 0) */ 48 unsigned long kp:1; /* User 'key' (normally 1) */ 49 unsigned long n:1; /* No-execute */ 50 unsigned long :4; /* Unused */ 51 unsigned long vsid:24; /* Virtual Segment Identifier */ 52 } SEGREG; 53 54 /* Block Address Translation (BAT) Registers */ 55 typedef struct _P601_BATU { /* Upper part of BAT for 601 processor */ 56 unsigned long bepi:15; /* Effective page index (virtual address) */ 57 unsigned long :8; /* unused */ 58 unsigned long w:1; 59 unsigned long i:1; /* Cache inhibit */ 60 unsigned long m:1; /* Memory coherence */ 61 unsigned long ks:1; /* Supervisor key (normally 0) */ 62 unsigned long kp:1; /* User key (normally 1) */ 63 unsigned long pp:2; /* Page access protections */ 64 } P601_BATU; 65 66 typedef struct _BATU { /* Upper part of BAT (all except 601) */ 67 #ifdef CONFIG_PPC64BRIDGE 68 unsigned long long bepi:47; 69 #else /* CONFIG_PPC64BRIDGE */ 70 unsigned long bepi:15; /* Effective page index (virtual address) */ 71 #endif /* CONFIG_PPC64BRIDGE */ 72 unsigned long :4; /* Unused */ 73 unsigned long bl:11; /* Block size mask */ 74 unsigned long vs:1; /* Supervisor valid */ 75 unsigned long vp:1; /* User valid */ 76 } BATU; 77 78 typedef struct _P601_BATL { /* Lower part of BAT for 601 processor */ 79 unsigned long brpn:15; /* Real page index (physical address) */ 80 unsigned long :10; /* Unused */ 81 unsigned long v:1; /* Valid bit */ 82 unsigned long bl:6; /* Block size mask */ 83 } P601_BATL; 84 85 typedef struct _BATL { /* Lower part of BAT (all except 601) */ 86 #ifdef CONFIG_PPC64BRIDGE 87 unsigned long long brpn:47; 88 #else /* CONFIG_PPC64BRIDGE */ 89 unsigned long brpn:15; /* Real page index (physical address) */ 90 #endif /* CONFIG_PPC64BRIDGE */ 91 unsigned long :10; /* Unused */ 92 unsigned long w:1; /* Write-thru cache */ 93 unsigned long i:1; /* Cache inhibit */ 94 unsigned long m:1; /* Memory coherence */ 95 unsigned long g:1; /* Guarded (MBZ in IBAT) */ 96 unsigned long :1; /* Unused */ 97 unsigned long pp:2; /* Page access protections */ 98 } BATL; 99 100 typedef struct _BAT { 101 BATU batu; /* Upper register */ 102 BATL batl; /* Lower register */ 103 } BAT; 104 105 typedef struct _P601_BAT { 106 P601_BATU batu; /* Upper register */ 107 P601_BATL batl; /* Lower register */ 108 } P601_BAT; 109 110 /* 111 * Simulated two-level MMU. This structure is used by the kernel 112 * to keep track of MMU mappings and is used to update/maintain 113 * the hardware HASH table which is really a cache of mappings. 114 * 115 * The simulated structures mimic the hardware available on other 116 * platforms, notably the 80x86 and 680x0. 117 */ 118 119 typedef struct _pte { 120 unsigned long page_num:20; 121 unsigned long flags:12; /* Page flags (some unused bits) */ 122 } pte; 123 124 #define PD_SHIFT (10+12) /* Page directory */ 125 #define PD_MASK 0x02FF 126 #define PT_SHIFT (12) /* Page Table */ 127 #define PT_MASK 0x02FF 128 #define PG_SHIFT (12) /* Page Entry */ 129 130 131 /* MMU context */ 132 133 typedef struct _MMU_context { 134 SEGREG segs[16]; /* Segment registers */ 135 pte **pmap; /* Two-level page-map structure */ 136 } MMU_context; 137 138 extern void _tlbie(unsigned long va); /* invalidate a TLB entry */ 139 extern void _tlbia(void); /* invalidate all TLB entries */ 140 141 #ifdef CONFIG_ADDR_MAP 142 extern void init_addr_map(void); 143 #endif 144 145 typedef enum { 146 IBAT0 = 0, IBAT1, IBAT2, IBAT3, 147 DBAT0, DBAT1, DBAT2, DBAT3, 148 #ifdef CONFIG_HIGH_BATS 149 IBAT4, IBAT5, IBAT6, IBAT7, 150 DBAT4, DBAT5, DBAT6, DBAT7 151 #endif 152 } ppc_bat_t; 153 154 extern int read_bat(ppc_bat_t bat, unsigned long *upper, unsigned long *lower); 155 extern int write_bat(ppc_bat_t bat, unsigned long upper, unsigned long lower); 156 extern void print_bats(void); 157 158 #endif /* __ASSEMBLY__ */ 159 160 #define BATU_VS 0x00000002 161 #define BATU_VP 0x00000001 162 #define BATU_INVALID 0x00000000 163 164 #define BATL_WRITETHROUGH 0x00000040 165 #define BATL_CACHEINHIBIT 0x00000020 166 #define BATL_MEMCOHERENCE 0x00000010 167 #define BATL_GUARDEDSTORAGE 0x00000008 168 #define BATL_NO_ACCESS 0x00000000 169 170 #define BATL_PP_MSK 0x00000003 171 #define BATL_PP_00 0x00000000 /* No access */ 172 #define BATL_PP_01 0x00000001 /* Read-only */ 173 #define BATL_PP_10 0x00000002 /* Read-write */ 174 #define BATL_PP_11 0x00000003 175 176 #define BATL_PP_NO_ACCESS BATL_PP_00 177 #define BATL_PP_RO BATL_PP_01 178 #define BATL_PP_RW BATL_PP_10 179 180 /* BAT Block size values */ 181 #define BATU_BL_128K 0x00000000 182 #define BATU_BL_256K 0x00000004 183 #define BATU_BL_512K 0x0000000c 184 #define BATU_BL_1M 0x0000001c 185 #define BATU_BL_2M 0x0000003c 186 #define BATU_BL_4M 0x0000007c 187 #define BATU_BL_8M 0x000000fc 188 #define BATU_BL_16M 0x000001fc 189 #define BATU_BL_32M 0x000003fc 190 #define BATU_BL_64M 0x000007fc 191 #define BATU_BL_128M 0x00000ffc 192 #define BATU_BL_256M 0x00001ffc 193 194 /* Block lengths for processors that support extended block length */ 195 #ifdef HID0_XBSEN 196 #define BATU_BL_512M 0x00003ffc 197 #define BATU_BL_1G 0x00007ffc 198 #define BATU_BL_2G 0x0000fffc 199 #define BATU_BL_4G 0x0001fffc 200 #define BATU_BL_MAX BATU_BL_4G 201 #else 202 #define BATU_BL_MAX BATU_BL_256M 203 #endif 204 205 /* BAT Access Protection */ 206 #define BPP_XX 0x00 /* No access */ 207 #define BPP_RX 0x01 /* Read only */ 208 #define BPP_RW 0x02 /* Read/write */ 209 210 /* Macros to get values from BATs, once data is in the BAT register format */ 211 #define BATU_VALID(x) (x & 0x3) 212 #define BATU_VADDR(x) (x & 0xfffe0000) 213 #define BATL_PADDR(x) ((phys_addr_t)((x & 0xfffe0000) \ 214 | ((x & 0x0e00ULL) << 24) \ 215 | ((x & 0x04ULL) << 30))) 216 #define BATU_SIZE(x) (1ULL << (fls((x & BATU_BL_MAX) >> 2) + 17)) 217 218 /* bytes into BATU_BL */ 219 #define TO_BATU_BL(x) \ 220 (u32)((((1ull << __ilog2_u64((u64)x)) / (128 * 1024)) - 1) * 4) 221 222 /* Used to set up SDR1 register */ 223 #define HASH_TABLE_SIZE_64K 0x00010000 224 #define HASH_TABLE_SIZE_128K 0x00020000 225 #define HASH_TABLE_SIZE_256K 0x00040000 226 #define HASH_TABLE_SIZE_512K 0x00080000 227 #define HASH_TABLE_SIZE_1M 0x00100000 228 #define HASH_TABLE_SIZE_2M 0x00200000 229 #define HASH_TABLE_SIZE_4M 0x00400000 230 #define HASH_TABLE_MASK_64K 0x000 231 #define HASH_TABLE_MASK_128K 0x001 232 #define HASH_TABLE_MASK_256K 0x003 233 #define HASH_TABLE_MASK_512K 0x007 234 #define HASH_TABLE_MASK_1M 0x00F 235 #define HASH_TABLE_MASK_2M 0x01F 236 #define HASH_TABLE_MASK_4M 0x03F 237 238 /* Control/status registers for the MPC8xx. 239 * A write operation to these registers causes serialized access. 240 * During software tablewalk, the registers used perform mask/shift-add 241 * operations when written/read. A TLB entry is created when the Mx_RPN 242 * is written, and the contents of several registers are used to 243 * create the entry. 244 */ 245 #define MI_CTR 784 /* Instruction TLB control register */ 246 #define MI_GPM 0x80000000 /* Set domain manager mode */ 247 #define MI_PPM 0x40000000 /* Set subpage protection */ 248 #define MI_CIDEF 0x20000000 /* Set cache inhibit when MMU dis */ 249 #define MI_RSV4I 0x08000000 /* Reserve 4 TLB entries */ 250 #define MI_PPCS 0x02000000 /* Use MI_RPN prob/priv state */ 251 #define MI_IDXMASK 0x00001f00 /* TLB index to be loaded */ 252 #define MI_RESETVAL 0x00000000 /* Value of register at reset */ 253 254 /* These are the Ks and Kp from the PowerPC books. For proper operation, 255 * Ks = 0, Kp = 1. 256 */ 257 #define MI_AP 786 258 #define MI_Ks 0x80000000 /* Should not be set */ 259 #define MI_Kp 0x40000000 /* Should always be set */ 260 261 /* The effective page number register. When read, contains the information 262 * about the last instruction TLB miss. When MI_RPN is written, bits in 263 * this register are used to create the TLB entry. 264 */ 265 #define MI_EPN 787 266 #define MI_EPNMASK 0xfffff000 /* Effective page number for entry */ 267 #define MI_EVALID 0x00000200 /* Entry is valid */ 268 #define MI_ASIDMASK 0x0000000f /* ASID match value */ 269 /* Reset value is undefined */ 270 271 /* A "level 1" or "segment" or whatever you want to call it register. 272 * For the instruction TLB, it contains bits that get loaded into the 273 * TLB entry when the MI_RPN is written. 274 */ 275 #define MI_TWC 789 276 #define MI_APG 0x000001e0 /* Access protection group (0) */ 277 #define MI_GUARDED 0x00000010 /* Guarded storage */ 278 #define MI_PSMASK 0x0000000c /* Mask of page size bits */ 279 #define MI_PS8MEG 0x0000000c /* 8M page size */ 280 #define MI_PS512K 0x00000004 /* 512K page size */ 281 #define MI_PS4K_16K 0x00000000 /* 4K or 16K page size */ 282 #define MI_SVALID 0x00000001 /* Segment entry is valid */ 283 /* Reset value is undefined */ 284 285 /* Real page number. Defined by the pte. Writing this register 286 * causes a TLB entry to be created for the instruction TLB, using 287 * additional information from the MI_EPN, and MI_TWC registers. 288 */ 289 #define MI_RPN 790 290 291 /* Define an RPN value for mapping kernel memory to large virtual 292 * pages for boot initialization. This has real page number of 0, 293 * large page size, shared page, cache enabled, and valid. 294 * Also mark all subpages valid and write access. 295 */ 296 #define MI_BOOTINIT 0x000001fd 297 298 #define MD_CTR 792 /* Data TLB control register */ 299 #define MD_GPM 0x80000000 /* Set domain manager mode */ 300 #define MD_PPM 0x40000000 /* Set subpage protection */ 301 #define MD_CIDEF 0x20000000 /* Set cache inhibit when MMU dis */ 302 #define MD_WTDEF 0x10000000 /* Set writethrough when MMU dis */ 303 #define MD_RSV4I 0x08000000 /* Reserve 4 TLB entries */ 304 #define MD_TWAM 0x04000000 /* Use 4K page hardware assist */ 305 #define MD_PPCS 0x02000000 /* Use MI_RPN prob/priv state */ 306 #define MD_IDXMASK 0x00001f00 /* TLB index to be loaded */ 307 #define MD_RESETVAL 0x04000000 /* Value of register at reset */ 308 309 #define M_CASID 793 /* Address space ID (context) to match */ 310 #define MC_ASIDMASK 0x0000000f /* Bits used for ASID value */ 311 312 313 /* These are the Ks and Kp from the PowerPC books. For proper operation, 314 * Ks = 0, Kp = 1. 315 */ 316 #define MD_AP 794 317 #define MD_Ks 0x80000000 /* Should not be set */ 318 #define MD_Kp 0x40000000 /* Should always be set */ 319 320 /* The effective page number register. When read, contains the information 321 * about the last instruction TLB miss. When MD_RPN is written, bits in 322 * this register are used to create the TLB entry. 323 */ 324 #define MD_EPN 795 325 #define MD_EPNMASK 0xfffff000 /* Effective page number for entry */ 326 #define MD_EVALID 0x00000200 /* Entry is valid */ 327 #define MD_ASIDMASK 0x0000000f /* ASID match value */ 328 /* Reset value is undefined */ 329 330 /* The pointer to the base address of the first level page table. 331 * During a software tablewalk, reading this register provides the address 332 * of the entry associated with MD_EPN. 333 */ 334 #define M_TWB 796 335 #define M_L1TB 0xfffff000 /* Level 1 table base address */ 336 #define M_L1INDX 0x00000ffc /* Level 1 index, when read */ 337 /* Reset value is undefined */ 338 339 /* A "level 1" or "segment" or whatever you want to call it register. 340 * For the data TLB, it contains bits that get loaded into the TLB entry 341 * when the MD_RPN is written. It is also provides the hardware assist 342 * for finding the PTE address during software tablewalk. 343 */ 344 #define MD_TWC 797 345 #define MD_L2TB 0xfffff000 /* Level 2 table base address */ 346 #define MD_L2INDX 0xfffffe00 /* Level 2 index (*pte), when read */ 347 #define MD_APG 0x000001e0 /* Access protection group (0) */ 348 #define MD_GUARDED 0x00000010 /* Guarded storage */ 349 #define MD_PSMASK 0x0000000c /* Mask of page size bits */ 350 #define MD_PS8MEG 0x0000000c /* 8M page size */ 351 #define MD_PS512K 0x00000004 /* 512K page size */ 352 #define MD_PS4K_16K 0x00000000 /* 4K or 16K page size */ 353 #define MD_WT 0x00000002 /* Use writethrough page attribute */ 354 #define MD_SVALID 0x00000001 /* Segment entry is valid */ 355 /* Reset value is undefined */ 356 357 358 /* Real page number. Defined by the pte. Writing this register 359 * causes a TLB entry to be created for the data TLB, using 360 * additional information from the MD_EPN, and MD_TWC registers. 361 */ 362 #define MD_RPN 798 363 364 /* This is a temporary storage register that could be used to save 365 * a processor working register during a tablewalk. 366 */ 367 #define M_TW 799 368 369 /* 370 * At present, all PowerPC 400-class processors share a similar TLB 371 * architecture. The instruction and data sides share a unified, 372 * 64-entry, fully-associative TLB which is maintained totally under 373 * software control. In addition, the instruction side has a 374 * hardware-managed, 4-entry, fully- associative TLB which serves as a 375 * first level to the shared TLB. These two TLBs are known as the UTLB 376 * and ITLB, respectively. 377 */ 378 379 #define PPC4XX_TLB_SIZE 64 380 381 /* 382 * TLB entries are defined by a "high" tag portion and a "low" data 383 * portion. On all architectures, the data portion is 32-bits. 384 * 385 * TLB entries are managed entirely under software control by reading, 386 * writing, and searchoing using the 4xx-specific tlbre, tlbwr, and tlbsx 387 * instructions. 388 */ 389 390 /* 391 * FSL Book-E support 392 */ 393 394 #define MAS0_TLBSEL_MSK 0x30000000 395 #define MAS0_TLBSEL(x) ((x << 28) & MAS0_TLBSEL_MSK) 396 #define MAS0_ESEL_MSK 0x0FFF0000 397 #define MAS0_ESEL(x) ((x << 16) & MAS0_ESEL_MSK) 398 #define MAS0_NV(x) ((x) & 0x00000FFF) 399 400 #define MAS1_VALID 0x80000000 401 #define MAS1_IPROT 0x40000000 402 #define MAS1_TID(x) ((x << 16) & 0x3FFF0000) 403 #define MAS1_TS 0x00001000 404 #define MAS1_TSIZE(x) ((x << 8) & 0x00000F00) 405 #define TSIZE_TO_BYTES(x) ((phys_addr_t)(1UL << ((tsize * 2) + 10))) 406 407 #define MAS2_EPN 0xFFFFF000 408 #define MAS2_X0 0x00000040 409 #define MAS2_X1 0x00000020 410 #define MAS2_W 0x00000010 411 #define MAS2_I 0x00000008 412 #define MAS2_M 0x00000004 413 #define MAS2_G 0x00000002 414 #define MAS2_E 0x00000001 415 416 #define MAS3_RPN 0xFFFFF000 417 #define MAS3_U0 0x00000200 418 #define MAS3_U1 0x00000100 419 #define MAS3_U2 0x00000080 420 #define MAS3_U3 0x00000040 421 #define MAS3_UX 0x00000020 422 #define MAS3_SX 0x00000010 423 #define MAS3_UW 0x00000008 424 #define MAS3_SW 0x00000004 425 #define MAS3_UR 0x00000002 426 #define MAS3_SR 0x00000001 427 428 #define MAS4_TLBSELD(x) MAS0_TLBSEL(x) 429 #define MAS4_TIDDSEL 0x000F0000 430 #define MAS4_TSIZED(x) MAS1_TSIZE(x) 431 #define MAS4_X0D 0x00000040 432 #define MAS4_X1D 0x00000020 433 #define MAS4_WD 0x00000010 434 #define MAS4_ID 0x00000008 435 #define MAS4_MD 0x00000004 436 #define MAS4_GD 0x00000002 437 #define MAS4_ED 0x00000001 438 439 #define MAS6_SPID0 0x3FFF0000 440 #define MAS6_SPID1 0x00007FFE 441 #define MAS6_SAS 0x00000001 442 #define MAS6_SPID MAS6_SPID0 443 444 #define MAS7_RPN 0xFFFFFFFF 445 446 #define FSL_BOOKE_MAS0(tlbsel,esel,nv) \ 447 (MAS0_TLBSEL(tlbsel) | MAS0_ESEL(esel) | MAS0_NV(nv)) 448 #define FSL_BOOKE_MAS1(v,iprot,tid,ts,tsize) \ 449 ((((v) << 31) & MAS1_VALID) |\ 450 (((iprot) << 30) & MAS1_IPROT) |\ 451 (MAS1_TID(tid)) |\ 452 (((ts) << 12) & MAS1_TS) |\ 453 (MAS1_TSIZE(tsize))) 454 #define FSL_BOOKE_MAS2(epn, wimge) \ 455 (((epn) & MAS3_RPN) | (wimge)) 456 #define FSL_BOOKE_MAS3(rpn, user, perms) \ 457 (((rpn) & MAS3_RPN) | (user) | (perms)) 458 #define FSL_BOOKE_MAS7(rpn) \ 459 (((u64)(rpn)) >> 32) 460 461 #define BOOKE_PAGESZ_1K 0 462 #define BOOKE_PAGESZ_4K 1 463 #define BOOKE_PAGESZ_16K 2 464 #define BOOKE_PAGESZ_64K 3 465 #define BOOKE_PAGESZ_256K 4 466 #define BOOKE_PAGESZ_1M 5 467 #define BOOKE_PAGESZ_4M 6 468 #define BOOKE_PAGESZ_16M 7 469 #define BOOKE_PAGESZ_64M 8 470 #define BOOKE_PAGESZ_256M 9 471 #define BOOKE_PAGESZ_1G 10 472 #define BOOKE_PAGESZ_4G 11 473 #define BOOKE_PAGESZ_16GB 12 474 #define BOOKE_PAGESZ_64GB 13 475 #define BOOKE_PAGESZ_256GB 14 476 #define BOOKE_PAGESZ_1TB 15 477 478 #ifdef CONFIG_E500 479 #ifndef __ASSEMBLY__ 480 extern void set_tlb(u8 tlb, u32 epn, u64 rpn, 481 u8 perms, u8 wimge, 482 u8 ts, u8 esel, u8 tsize, u8 iprot); 483 extern void disable_tlb(u8 esel); 484 extern void invalidate_tlb(u8 tlb); 485 extern void init_tlbs(void); 486 extern int find_tlb_idx(void *addr, u8 tlbsel); 487 extern void init_used_tlb_cams(void); 488 extern int find_free_tlbcam(void); 489 extern void print_tlbcam(void); 490 491 extern unsigned int setup_ddr_tlbs(unsigned int memsize_in_meg); 492 493 extern void write_tlb(u32 _mas0, u32 _mas1, u32 _mas2, u32 _mas3, u32 _mas7); 494 495 #define SET_TLB_ENTRY(_tlb, _epn, _rpn, _perms, _wimge, _ts, _esel, _sz, _iprot) \ 496 { .mas0 = FSL_BOOKE_MAS0(_tlb, _esel, 0), \ 497 .mas1 = FSL_BOOKE_MAS1(1, _iprot, 0, _ts, _sz), \ 498 .mas2 = FSL_BOOKE_MAS2(_epn, _wimge), \ 499 .mas3 = FSL_BOOKE_MAS3(_rpn, 0, _perms), \ 500 .mas7 = FSL_BOOKE_MAS7(_rpn), } 501 502 struct fsl_e_tlb_entry { 503 u32 mas0; 504 u32 mas1; 505 u32 mas2; 506 u32 mas3; 507 u32 mas7; 508 }; 509 510 extern struct fsl_e_tlb_entry tlb_table[]; 511 extern int num_tlb_entries; 512 #endif 513 #endif 514 515 #ifdef CONFIG_E300 516 #define LAWAR_EN 0x80000000 517 #define LAWAR_SIZE 0x0000003F 518 519 #define LAWAR_TRGT_IF_PCI 0x00000000 520 #define LAWAR_TRGT_IF_PCI1 0x00000000 521 #define LAWAR_TRGT_IF_PCIX 0x00000000 522 #define LAWAR_TRGT_IF_PCI2 0x00100000 523 #define LAWAR_TRGT_IF_PCIE1 0x00200000 524 #define LAWAR_TRGT_IF_PCIE2 0x00100000 525 #define LAWAR_TRGT_IF_PCIE3 0x00300000 526 #define LAWAR_TRGT_IF_LBC 0x00400000 527 #define LAWAR_TRGT_IF_CCSR 0x00800000 528 #define LAWAR_TRGT_IF_DDR_INTERLEAVED 0x00B00000 529 #define LAWAR_TRGT_IF_RIO 0x00c00000 530 #define LAWAR_TRGT_IF_DDR 0x00f00000 531 #define LAWAR_TRGT_IF_DDR1 0x00f00000 532 #define LAWAR_TRGT_IF_DDR2 0x01600000 533 534 #define LAWAR_SIZE_BASE 0xa 535 #define LAWAR_SIZE_4K (LAWAR_SIZE_BASE+1) 536 #define LAWAR_SIZE_8K (LAWAR_SIZE_BASE+2) 537 #define LAWAR_SIZE_16K (LAWAR_SIZE_BASE+3) 538 #define LAWAR_SIZE_32K (LAWAR_SIZE_BASE+4) 539 #define LAWAR_SIZE_64K (LAWAR_SIZE_BASE+5) 540 #define LAWAR_SIZE_128K (LAWAR_SIZE_BASE+6) 541 #define LAWAR_SIZE_256K (LAWAR_SIZE_BASE+7) 542 #define LAWAR_SIZE_512K (LAWAR_SIZE_BASE+8) 543 #define LAWAR_SIZE_1M (LAWAR_SIZE_BASE+9) 544 #define LAWAR_SIZE_2M (LAWAR_SIZE_BASE+10) 545 #define LAWAR_SIZE_4M (LAWAR_SIZE_BASE+11) 546 #define LAWAR_SIZE_8M (LAWAR_SIZE_BASE+12) 547 #define LAWAR_SIZE_16M (LAWAR_SIZE_BASE+13) 548 #define LAWAR_SIZE_32M (LAWAR_SIZE_BASE+14) 549 #define LAWAR_SIZE_64M (LAWAR_SIZE_BASE+15) 550 #define LAWAR_SIZE_128M (LAWAR_SIZE_BASE+16) 551 #define LAWAR_SIZE_256M (LAWAR_SIZE_BASE+17) 552 #define LAWAR_SIZE_512M (LAWAR_SIZE_BASE+18) 553 #define LAWAR_SIZE_1G (LAWAR_SIZE_BASE+19) 554 #define LAWAR_SIZE_2G (LAWAR_SIZE_BASE+20) 555 #define LAWAR_SIZE_4G (LAWAR_SIZE_BASE+21) 556 #define LAWAR_SIZE_8G (LAWAR_SIZE_BASE+22) 557 #define LAWAR_SIZE_16G (LAWAR_SIZE_BASE+23) 558 #define LAWAR_SIZE_32G (LAWAR_SIZE_BASE+24) 559 #endif 560 561 #ifdef CONFIG_440 562 /* General */ 563 #define TLB_VALID 0x00000200 564 565 /* Supported page sizes */ 566 567 #define SZ_1K 0x00000000 568 #define SZ_4K 0x00000010 569 #define SZ_16K 0x00000020 570 #define SZ_64K 0x00000030 571 #define SZ_256K 0x00000040 572 #define SZ_1M 0x00000050 573 #define SZ_16M 0x00000070 574 #define SZ_256M 0x00000090 575 576 /* Storage attributes */ 577 #define SA_W 0x00000800 /* Write-through */ 578 #define SA_I 0x00000400 /* Caching inhibited */ 579 #define SA_M 0x00000200 /* Memory coherence */ 580 #define SA_G 0x00000100 /* Guarded */ 581 #define SA_E 0x00000080 /* Endian */ 582 /* Some additional macros for combinations often used */ 583 #define SA_IG (SA_I | SA_G) 584 585 /* Access control */ 586 #define AC_X 0x00000024 /* Execute */ 587 #define AC_W 0x00000012 /* Write */ 588 #define AC_R 0x00000009 /* Read */ 589 /* Some additional macros for combinations often used */ 590 #define AC_RW (AC_R | AC_W) 591 #define AC_RWX (AC_R | AC_W | AC_X) 592 593 /* Some handy macros */ 594 595 #define EPN(e) ((e) & 0xfffffc00) 596 #define TLB0(epn,sz) ((EPN((epn)) | (sz) | TLB_VALID )) 597 #define TLB1(rpn,erpn) (((rpn) & 0xfffffc00) | (erpn)) 598 #define TLB2(a) ((a) & 0x00000fbf) 599 600 #define tlbtab_start\ 601 mflr r1 ;\ 602 bl 0f ; 603 604 #define tlbtab_end\ 605 .long 0, 0, 0 ;\ 606 0: mflr r0 ;\ 607 mtlr r1 ;\ 608 blr ; 609 610 #define tlbentry(epn,sz,rpn,erpn,attr)\ 611 .long TLB0(epn,sz),TLB1(rpn,erpn),TLB2(attr) 612 613 /*----------------------------------------------------------------------------+ 614 | TLB specific defines. 615 +----------------------------------------------------------------------------*/ 616 #define TLB_256MB_ALIGN_MASK 0xFF0000000ULL 617 #define TLB_16MB_ALIGN_MASK 0xFFF000000ULL 618 #define TLB_1MB_ALIGN_MASK 0xFFFF00000ULL 619 #define TLB_256KB_ALIGN_MASK 0xFFFFC0000ULL 620 #define TLB_64KB_ALIGN_MASK 0xFFFFF0000ULL 621 #define TLB_16KB_ALIGN_MASK 0xFFFFFC000ULL 622 #define TLB_4KB_ALIGN_MASK 0xFFFFFF000ULL 623 #define TLB_1KB_ALIGN_MASK 0xFFFFFFC00ULL 624 #define TLB_256MB_SIZE 0x10000000 625 #define TLB_16MB_SIZE 0x01000000 626 #define TLB_1MB_SIZE 0x00100000 627 #define TLB_256KB_SIZE 0x00040000 628 #define TLB_64KB_SIZE 0x00010000 629 #define TLB_16KB_SIZE 0x00004000 630 #define TLB_4KB_SIZE 0x00001000 631 #define TLB_1KB_SIZE 0x00000400 632 633 #define TLB_WORD0_EPN_MASK 0xFFFFFC00 634 #define TLB_WORD0_EPN_ENCODE(n) (((unsigned long)(n))&0xFFFFFC00) 635 #define TLB_WORD0_EPN_DECODE(n) (((unsigned long)(n))&0xFFFFFC00) 636 #define TLB_WORD0_V_MASK 0x00000200 637 #define TLB_WORD0_V_ENABLE 0x00000200 638 #define TLB_WORD0_V_DISABLE 0x00000000 639 #define TLB_WORD0_TS_MASK 0x00000100 640 #define TLB_WORD0_TS_1 0x00000100 641 #define TLB_WORD0_TS_0 0x00000000 642 #define TLB_WORD0_SIZE_MASK 0x000000F0 643 #define TLB_WORD0_SIZE_1KB 0x00000000 644 #define TLB_WORD0_SIZE_4KB 0x00000010 645 #define TLB_WORD0_SIZE_16KB 0x00000020 646 #define TLB_WORD0_SIZE_64KB 0x00000030 647 #define TLB_WORD0_SIZE_256KB 0x00000040 648 #define TLB_WORD0_SIZE_1MB 0x00000050 649 #define TLB_WORD0_SIZE_16MB 0x00000070 650 #define TLB_WORD0_SIZE_256MB 0x00000090 651 #define TLB_WORD0_TPAR_MASK 0x0000000F 652 #define TLB_WORD0_TPAR_ENCODE(n) ((((unsigned long)(n))&0x0F)<<0) 653 #define TLB_WORD0_TPAR_DECODE(n) ((((unsigned long)(n))>>0)&0x0F) 654 655 #define TLB_WORD1_RPN_MASK 0xFFFFFC00 656 #define TLB_WORD1_RPN_ENCODE(n) (((unsigned long)(n))&0xFFFFFC00) 657 #define TLB_WORD1_RPN_DECODE(n) (((unsigned long)(n))&0xFFFFFC00) 658 #define TLB_WORD1_PAR1_MASK 0x00000300 659 #define TLB_WORD1_PAR1_ENCODE(n) ((((unsigned long)(n))&0x03)<<8) 660 #define TLB_WORD1_PAR1_DECODE(n) ((((unsigned long)(n))>>8)&0x03) 661 #define TLB_WORD1_PAR1_0 0x00000000 662 #define TLB_WORD1_PAR1_1 0x00000100 663 #define TLB_WORD1_PAR1_2 0x00000200 664 #define TLB_WORD1_PAR1_3 0x00000300 665 #define TLB_WORD1_ERPN_MASK 0x0000000F 666 #define TLB_WORD1_ERPN_ENCODE(n) ((((unsigned long)(n))&0x0F)<<0) 667 #define TLB_WORD1_ERPN_DECODE(n) ((((unsigned long)(n))>>0)&0x0F) 668 669 #define TLB_WORD2_PAR2_MASK 0xC0000000 670 #define TLB_WORD2_PAR2_ENCODE(n) ((((unsigned long)(n))&0x03)<<30) 671 #define TLB_WORD2_PAR2_DECODE(n) ((((unsigned long)(n))>>30)&0x03) 672 #define TLB_WORD2_PAR2_0 0x00000000 673 #define TLB_WORD2_PAR2_1 0x40000000 674 #define TLB_WORD2_PAR2_2 0x80000000 675 #define TLB_WORD2_PAR2_3 0xC0000000 676 #define TLB_WORD2_U0_MASK 0x00008000 677 #define TLB_WORD2_U0_ENABLE 0x00008000 678 #define TLB_WORD2_U0_DISABLE 0x00000000 679 #define TLB_WORD2_U1_MASK 0x00004000 680 #define TLB_WORD2_U1_ENABLE 0x00004000 681 #define TLB_WORD2_U1_DISABLE 0x00000000 682 #define TLB_WORD2_U2_MASK 0x00002000 683 #define TLB_WORD2_U2_ENABLE 0x00002000 684 #define TLB_WORD2_U2_DISABLE 0x00000000 685 #define TLB_WORD2_U3_MASK 0x00001000 686 #define TLB_WORD2_U3_ENABLE 0x00001000 687 #define TLB_WORD2_U3_DISABLE 0x00000000 688 #define TLB_WORD2_W_MASK 0x00000800 689 #define TLB_WORD2_W_ENABLE 0x00000800 690 #define TLB_WORD2_W_DISABLE 0x00000000 691 #define TLB_WORD2_I_MASK 0x00000400 692 #define TLB_WORD2_I_ENABLE 0x00000400 693 #define TLB_WORD2_I_DISABLE 0x00000000 694 #define TLB_WORD2_M_MASK 0x00000200 695 #define TLB_WORD2_M_ENABLE 0x00000200 696 #define TLB_WORD2_M_DISABLE 0x00000000 697 #define TLB_WORD2_G_MASK 0x00000100 698 #define TLB_WORD2_G_ENABLE 0x00000100 699 #define TLB_WORD2_G_DISABLE 0x00000000 700 #define TLB_WORD2_E_MASK 0x00000080 701 #define TLB_WORD2_E_ENABLE 0x00000080 702 #define TLB_WORD2_E_DISABLE 0x00000000 703 #define TLB_WORD2_UX_MASK 0x00000020 704 #define TLB_WORD2_UX_ENABLE 0x00000020 705 #define TLB_WORD2_UX_DISABLE 0x00000000 706 #define TLB_WORD2_UW_MASK 0x00000010 707 #define TLB_WORD2_UW_ENABLE 0x00000010 708 #define TLB_WORD2_UW_DISABLE 0x00000000 709 #define TLB_WORD2_UR_MASK 0x00000008 710 #define TLB_WORD2_UR_ENABLE 0x00000008 711 #define TLB_WORD2_UR_DISABLE 0x00000000 712 #define TLB_WORD2_SX_MASK 0x00000004 713 #define TLB_WORD2_SX_ENABLE 0x00000004 714 #define TLB_WORD2_SX_DISABLE 0x00000000 715 #define TLB_WORD2_SW_MASK 0x00000002 716 #define TLB_WORD2_SW_ENABLE 0x00000002 717 #define TLB_WORD2_SW_DISABLE 0x00000000 718 #define TLB_WORD2_SR_MASK 0x00000001 719 #define TLB_WORD2_SR_ENABLE 0x00000001 720 #define TLB_WORD2_SR_DISABLE 0x00000000 721 722 /*----------------------------------------------------------------------------+ 723 | Following instructions are not available in Book E mode of the GNU assembler. 724 +----------------------------------------------------------------------------*/ 725 #define DCCCI(ra,rb) .long 0x7c000000|\ 726 (ra<<16)|(rb<<11)|(454<<1) 727 728 #define ICCCI(ra,rb) .long 0x7c000000|\ 729 (ra<<16)|(rb<<11)|(966<<1) 730 731 #define DCREAD(rt,ra,rb) .long 0x7c000000|\ 732 (rt<<21)|(ra<<16)|(rb<<11)|(486<<1) 733 734 #define ICREAD(ra,rb) .long 0x7c000000|\ 735 (ra<<16)|(rb<<11)|(998<<1) 736 737 #define TLBSX(rt,ra,rb) .long 0x7c000000|\ 738 (rt<<21)|(ra<<16)|(rb<<11)|(914<<1) 739 740 #define TLBWE(rs,ra,ws) .long 0x7c000000|\ 741 (rs<<21)|(ra<<16)|(ws<<11)|(978<<1) 742 743 #define TLBRE(rt,ra,ws) .long 0x7c000000|\ 744 (rt<<21)|(ra<<16)|(ws<<11)|(946<<1) 745 746 #define TLBSXDOT(rt,ra,rb) .long 0x7c000001|\ 747 (rt<<21)|(ra<<16)|(rb<<11)|(914<<1) 748 749 #define MSYNC .long 0x7c000000|\ 750 (598<<1) 751 752 #define MBAR_INST .long 0x7c000000|\ 753 (854<<1) 754 755 #ifndef __ASSEMBLY__ 756 /* Prototypes */ 757 void mttlb1(unsigned long index, unsigned long value); 758 void mttlb2(unsigned long index, unsigned long value); 759 void mttlb3(unsigned long index, unsigned long value); 760 unsigned long mftlb1(unsigned long index); 761 unsigned long mftlb2(unsigned long index); 762 unsigned long mftlb3(unsigned long index); 763 764 void program_tlb(u64 phys_addr, u32 virt_addr, u32 size, u32 tlb_word2_i_value); 765 void remove_tlb(u32 vaddr, u32 size); 766 void change_tlb(u32 vaddr, u32 size, u32 tlb_word2_i_value); 767 #endif /* __ASSEMBLY__ */ 768 769 #endif /* CONFIG_440 */ 770 #endif /* _PPC_MMU_H_ */ 771