wdenk | 3b759bd | 2002-03-31 16:14:24 +0000 | [diff] [blame] | 1 | /* |
| 2 | * PowerPC memory management structures |
| 3 | */ |
| 4 | |
| 5 | #ifndef _PPC_MMU_H_ |
| 6 | #define _PPC_MMU_H_ |
| 7 | |
wdenk | 3b759bd | 2002-03-31 16:14:24 +0000 | [diff] [blame] | 8 | #ifndef __ASSEMBLY__ |
| 9 | /* Hardware Page Table Entry */ |
| 10 | typedef struct _PTE { |
| 11 | #ifdef CONFIG_PPC64BRIDGE |
| 12 | unsigned long long vsid:52; |
| 13 | unsigned long api:5; |
| 14 | unsigned long :5; |
| 15 | unsigned long h:1; |
| 16 | unsigned long v:1; |
| 17 | unsigned long long rpn:52; |
| 18 | #else /* CONFIG_PPC64BRIDGE */ |
| 19 | unsigned long v:1; /* Entry is valid */ |
| 20 | unsigned long vsid:24; /* Virtual segment identifier */ |
| 21 | unsigned long h:1; /* Hash algorithm indicator */ |
| 22 | unsigned long api:6; /* Abbreviated page index */ |
| 23 | unsigned long rpn:20; /* Real (physical) page number */ |
| 24 | #endif /* CONFIG_PPC64BRIDGE */ |
| 25 | unsigned long :3; /* Unused */ |
| 26 | unsigned long r:1; /* Referenced */ |
| 27 | unsigned long c:1; /* Changed */ |
| 28 | unsigned long w:1; /* Write-thru cache mode */ |
| 29 | unsigned long i:1; /* Cache inhibited */ |
| 30 | unsigned long m:1; /* Memory coherence */ |
| 31 | unsigned long g:1; /* Guarded */ |
| 32 | unsigned long :1; /* Unused */ |
| 33 | unsigned long pp:2; /* Page protection */ |
| 34 | } PTE; |
| 35 | |
| 36 | /* Values for PP (assumes Ks=0, Kp=1) */ |
| 37 | #define PP_RWXX 0 /* Supervisor read/write, User none */ |
| 38 | #define PP_RWRX 1 /* Supervisor read/write, User read */ |
| 39 | #define PP_RWRW 2 /* Supervisor read/write, User read/write */ |
| 40 | #define PP_RXRX 3 /* Supervisor read, User read */ |
| 41 | |
| 42 | /* Segment Register */ |
| 43 | typedef struct _SEGREG { |
| 44 | unsigned long t:1; /* Normal or I/O type */ |
| 45 | unsigned long ks:1; /* Supervisor 'key' (normally 0) */ |
| 46 | unsigned long kp:1; /* User 'key' (normally 1) */ |
| 47 | unsigned long n:1; /* No-execute */ |
| 48 | unsigned long :4; /* Unused */ |
| 49 | unsigned long vsid:24; /* Virtual Segment Identifier */ |
| 50 | } SEGREG; |
| 51 | |
| 52 | /* Block Address Translation (BAT) Registers */ |
| 53 | typedef struct _P601_BATU { /* Upper part of BAT for 601 processor */ |
| 54 | unsigned long bepi:15; /* Effective page index (virtual address) */ |
| 55 | unsigned long :8; /* unused */ |
| 56 | unsigned long w:1; |
| 57 | unsigned long i:1; /* Cache inhibit */ |
| 58 | unsigned long m:1; /* Memory coherence */ |
| 59 | unsigned long ks:1; /* Supervisor key (normally 0) */ |
| 60 | unsigned long kp:1; /* User key (normally 1) */ |
| 61 | unsigned long pp:2; /* Page access protections */ |
| 62 | } P601_BATU; |
| 63 | |
| 64 | typedef struct _BATU { /* Upper part of BAT (all except 601) */ |
| 65 | #ifdef CONFIG_PPC64BRIDGE |
| 66 | unsigned long long bepi:47; |
| 67 | #else /* CONFIG_PPC64BRIDGE */ |
| 68 | unsigned long bepi:15; /* Effective page index (virtual address) */ |
| 69 | #endif /* CONFIG_PPC64BRIDGE */ |
| 70 | unsigned long :4; /* Unused */ |
| 71 | unsigned long bl:11; /* Block size mask */ |
| 72 | unsigned long vs:1; /* Supervisor valid */ |
| 73 | unsigned long vp:1; /* User valid */ |
| 74 | } BATU; |
| 75 | |
| 76 | typedef struct _P601_BATL { /* Lower part of BAT for 601 processor */ |
| 77 | unsigned long brpn:15; /* Real page index (physical address) */ |
| 78 | unsigned long :10; /* Unused */ |
| 79 | unsigned long v:1; /* Valid bit */ |
| 80 | unsigned long bl:6; /* Block size mask */ |
| 81 | } P601_BATL; |
| 82 | |
| 83 | typedef struct _BATL { /* Lower part of BAT (all except 601) */ |
| 84 | #ifdef CONFIG_PPC64BRIDGE |
| 85 | unsigned long long brpn:47; |
| 86 | #else /* CONFIG_PPC64BRIDGE */ |
| 87 | unsigned long brpn:15; /* Real page index (physical address) */ |
| 88 | #endif /* CONFIG_PPC64BRIDGE */ |
| 89 | unsigned long :10; /* Unused */ |
| 90 | unsigned long w:1; /* Write-thru cache */ |
| 91 | unsigned long i:1; /* Cache inhibit */ |
| 92 | unsigned long m:1; /* Memory coherence */ |
| 93 | unsigned long g:1; /* Guarded (MBZ in IBAT) */ |
| 94 | unsigned long :1; /* Unused */ |
| 95 | unsigned long pp:2; /* Page access protections */ |
| 96 | } BATL; |
| 97 | |
| 98 | typedef struct _BAT { |
| 99 | BATU batu; /* Upper register */ |
| 100 | BATL batl; /* Lower register */ |
| 101 | } BAT; |
| 102 | |
| 103 | typedef struct _P601_BAT { |
| 104 | P601_BATU batu; /* Upper register */ |
| 105 | P601_BATL batl; /* Lower register */ |
| 106 | } P601_BAT; |
| 107 | |
| 108 | /* |
| 109 | * Simulated two-level MMU. This structure is used by the kernel |
| 110 | * to keep track of MMU mappings and is used to update/maintain |
| 111 | * the hardware HASH table which is really a cache of mappings. |
| 112 | * |
| 113 | * The simulated structures mimic the hardware available on other |
| 114 | * platforms, notably the 80x86 and 680x0. |
| 115 | */ |
| 116 | |
| 117 | typedef struct _pte { |
Jon Loeliger | 5f3249a | 2006-10-13 16:47:53 -0500 | [diff] [blame] | 118 | unsigned long page_num:20; |
| 119 | unsigned long flags:12; /* Page flags (some unused bits) */ |
wdenk | 3b759bd | 2002-03-31 16:14:24 +0000 | [diff] [blame] | 120 | } pte; |
| 121 | |
| 122 | #define PD_SHIFT (10+12) /* Page directory */ |
| 123 | #define PD_MASK 0x02FF |
| 124 | #define PT_SHIFT (12) /* Page Table */ |
| 125 | #define PT_MASK 0x02FF |
| 126 | #define PG_SHIFT (12) /* Page Entry */ |
| 127 | |
| 128 | |
| 129 | /* MMU context */ |
| 130 | |
| 131 | typedef struct _MMU_context { |
| 132 | SEGREG segs[16]; /* Segment registers */ |
| 133 | pte **pmap; /* Two-level page-map structure */ |
| 134 | } MMU_context; |
| 135 | |
| 136 | extern void _tlbie(unsigned long va); /* invalidate a TLB entry */ |
| 137 | extern void _tlbia(void); /* invalidate all TLB entries */ |
| 138 | |
Becky Bruce | c9315e6 | 2009-02-03 18:10:52 -0600 | [diff] [blame] | 139 | #ifdef CONFIG_ADDR_MAP |
| 140 | extern void init_addr_map(void); |
| 141 | #endif |
| 142 | |
wdenk | 3b759bd | 2002-03-31 16:14:24 +0000 | [diff] [blame] | 143 | typedef enum { |
| 144 | IBAT0 = 0, IBAT1, IBAT2, IBAT3, |
Becky Bruce | c148f24 | 2008-05-15 21:29:04 -0500 | [diff] [blame] | 145 | DBAT0, DBAT1, DBAT2, DBAT3, |
| 146 | #ifdef CONFIG_HIGH_BATS |
| 147 | IBAT4, IBAT5, IBAT6, IBAT7, |
| 148 | DBAT4, DBAT5, DBAT6, DBAT7 |
| 149 | #endif |
wdenk | 3b759bd | 2002-03-31 16:14:24 +0000 | [diff] [blame] | 150 | } ppc_bat_t; |
| 151 | |
| 152 | extern int read_bat(ppc_bat_t bat, unsigned long *upper, unsigned long *lower); |
| 153 | extern int write_bat(ppc_bat_t bat, unsigned long upper, unsigned long lower); |
Becky Bruce | d5b9b8c | 2008-05-09 15:41:35 -0500 | [diff] [blame] | 154 | extern void print_bats(void); |
wdenk | 3b759bd | 2002-03-31 16:14:24 +0000 | [diff] [blame] | 155 | |
| 156 | #endif /* __ASSEMBLY__ */ |
| 157 | |
Becky Bruce | d35ae5a | 2009-02-03 18:10:51 -0600 | [diff] [blame] | 158 | #define BATU_VS 0x00000002 |
| 159 | #define BATU_VP 0x00000001 |
| 160 | #define BATU_INVALID 0x00000000 |
| 161 | |
| 162 | #define BATL_WRITETHROUGH 0x00000040 |
| 163 | #define BATL_CACHEINHIBIT 0x00000020 |
| 164 | #define BATL_MEMCOHERENCE 0x00000010 |
| 165 | #define BATL_GUARDEDSTORAGE 0x00000008 |
| 166 | #define BATL_NO_ACCESS 0x00000000 |
| 167 | |
| 168 | #define BATL_PP_MSK 0x00000003 |
| 169 | #define BATL_PP_00 0x00000000 /* No access */ |
| 170 | #define BATL_PP_01 0x00000001 /* Read-only */ |
| 171 | #define BATL_PP_10 0x00000002 /* Read-write */ |
| 172 | #define BATL_PP_11 0x00000003 |
| 173 | |
| 174 | #define BATL_PP_NO_ACCESS BATL_PP_00 |
| 175 | #define BATL_PP_RO BATL_PP_01 |
| 176 | #define BATL_PP_RW BATL_PP_10 |
| 177 | |
| 178 | /* BAT Block size values */ |
| 179 | #define BATU_BL_128K 0x00000000 |
| 180 | #define BATU_BL_256K 0x00000004 |
| 181 | #define BATU_BL_512K 0x0000000c |
| 182 | #define BATU_BL_1M 0x0000001c |
| 183 | #define BATU_BL_2M 0x0000003c |
| 184 | #define BATU_BL_4M 0x0000007c |
| 185 | #define BATU_BL_8M 0x000000fc |
| 186 | #define BATU_BL_16M 0x000001fc |
| 187 | #define BATU_BL_32M 0x000003fc |
| 188 | #define BATU_BL_64M 0x000007fc |
| 189 | #define BATU_BL_128M 0x00000ffc |
| 190 | #define BATU_BL_256M 0x00001ffc |
| 191 | |
| 192 | /* Block lengths for processors that support extended block length */ |
| 193 | #ifdef HID0_XBSEN |
| 194 | #define BATU_BL_512M 0x00003ffc |
| 195 | #define BATU_BL_1G 0x00007ffc |
| 196 | #define BATU_BL_2G 0x0000fffc |
| 197 | #define BATU_BL_4G 0x0001fffc |
| 198 | #define BATU_BL_MAX BATU_BL_4G |
| 199 | #else |
| 200 | #define BATU_BL_MAX BATU_BL_256M |
| 201 | #endif |
wdenk | 3b759bd | 2002-03-31 16:14:24 +0000 | [diff] [blame] | 202 | |
| 203 | /* BAT Access Protection */ |
| 204 | #define BPP_XX 0x00 /* No access */ |
| 205 | #define BPP_RX 0x01 /* Read only */ |
| 206 | #define BPP_RW 0x02 /* Read/write */ |
| 207 | |
Becky Bruce | c9315e6 | 2009-02-03 18:10:52 -0600 | [diff] [blame] | 208 | /* Macros to get values from BATs, once data is in the BAT register format */ |
| 209 | #define BATU_VALID(x) (x & 0x3) |
| 210 | #define BATU_VADDR(x) (x & 0xfffe0000) |
| 211 | #define BATL_PADDR(x) ((phys_addr_t)((x & 0xfffe0000) \ |
| 212 | | ((x & 0x0e00ULL) << 24) \ |
| 213 | | ((x & 0x04ULL) << 30))) |
Timur Tabi | 9ff32d8 | 2010-03-29 12:51:07 -0500 | [diff] [blame] | 214 | #define BATU_SIZE(x) (1ULL << (fls((x & BATU_BL_MAX) >> 2) + 17)) |
| 215 | |
| 216 | /* bytes into BATU_BL */ |
| 217 | #define TO_BATU_BL(x) \ |
| 218 | (u32)((((1ull << __ilog2_u64((u64)x)) / (128 * 1024)) - 1) * 4) |
Becky Bruce | c9315e6 | 2009-02-03 18:10:52 -0600 | [diff] [blame] | 219 | |
wdenk | 3b759bd | 2002-03-31 16:14:24 +0000 | [diff] [blame] | 220 | /* Used to set up SDR1 register */ |
| 221 | #define HASH_TABLE_SIZE_64K 0x00010000 |
| 222 | #define HASH_TABLE_SIZE_128K 0x00020000 |
| 223 | #define HASH_TABLE_SIZE_256K 0x00040000 |
| 224 | #define HASH_TABLE_SIZE_512K 0x00080000 |
| 225 | #define HASH_TABLE_SIZE_1M 0x00100000 |
| 226 | #define HASH_TABLE_SIZE_2M 0x00200000 |
| 227 | #define HASH_TABLE_SIZE_4M 0x00400000 |
| 228 | #define HASH_TABLE_MASK_64K 0x000 |
| 229 | #define HASH_TABLE_MASK_128K 0x001 |
| 230 | #define HASH_TABLE_MASK_256K 0x003 |
| 231 | #define HASH_TABLE_MASK_512K 0x007 |
| 232 | #define HASH_TABLE_MASK_1M 0x00F |
| 233 | #define HASH_TABLE_MASK_2M 0x01F |
| 234 | #define HASH_TABLE_MASK_4M 0x03F |
| 235 | |
| 236 | /* Control/status registers for the MPC8xx. |
| 237 | * A write operation to these registers causes serialized access. |
| 238 | * During software tablewalk, the registers used perform mask/shift-add |
| 239 | * operations when written/read. A TLB entry is created when the Mx_RPN |
| 240 | * is written, and the contents of several registers are used to |
| 241 | * create the entry. |
| 242 | */ |
| 243 | #define MI_CTR 784 /* Instruction TLB control register */ |
| 244 | #define MI_GPM 0x80000000 /* Set domain manager mode */ |
| 245 | #define MI_PPM 0x40000000 /* Set subpage protection */ |
| 246 | #define MI_CIDEF 0x20000000 /* Set cache inhibit when MMU dis */ |
| 247 | #define MI_RSV4I 0x08000000 /* Reserve 4 TLB entries */ |
| 248 | #define MI_PPCS 0x02000000 /* Use MI_RPN prob/priv state */ |
| 249 | #define MI_IDXMASK 0x00001f00 /* TLB index to be loaded */ |
| 250 | #define MI_RESETVAL 0x00000000 /* Value of register at reset */ |
| 251 | |
| 252 | /* These are the Ks and Kp from the PowerPC books. For proper operation, |
| 253 | * Ks = 0, Kp = 1. |
| 254 | */ |
| 255 | #define MI_AP 786 |
| 256 | #define MI_Ks 0x80000000 /* Should not be set */ |
| 257 | #define MI_Kp 0x40000000 /* Should always be set */ |
| 258 | |
| 259 | /* The effective page number register. When read, contains the information |
| 260 | * about the last instruction TLB miss. When MI_RPN is written, bits in |
| 261 | * this register are used to create the TLB entry. |
| 262 | */ |
| 263 | #define MI_EPN 787 |
| 264 | #define MI_EPNMASK 0xfffff000 /* Effective page number for entry */ |
| 265 | #define MI_EVALID 0x00000200 /* Entry is valid */ |
| 266 | #define MI_ASIDMASK 0x0000000f /* ASID match value */ |
| 267 | /* Reset value is undefined */ |
| 268 | |
| 269 | /* A "level 1" or "segment" or whatever you want to call it register. |
| 270 | * For the instruction TLB, it contains bits that get loaded into the |
| 271 | * TLB entry when the MI_RPN is written. |
| 272 | */ |
| 273 | #define MI_TWC 789 |
| 274 | #define MI_APG 0x000001e0 /* Access protection group (0) */ |
| 275 | #define MI_GUARDED 0x00000010 /* Guarded storage */ |
| 276 | #define MI_PSMASK 0x0000000c /* Mask of page size bits */ |
| 277 | #define MI_PS8MEG 0x0000000c /* 8M page size */ |
| 278 | #define MI_PS512K 0x00000004 /* 512K page size */ |
| 279 | #define MI_PS4K_16K 0x00000000 /* 4K or 16K page size */ |
| 280 | #define MI_SVALID 0x00000001 /* Segment entry is valid */ |
| 281 | /* Reset value is undefined */ |
| 282 | |
| 283 | /* Real page number. Defined by the pte. Writing this register |
| 284 | * causes a TLB entry to be created for the instruction TLB, using |
| 285 | * additional information from the MI_EPN, and MI_TWC registers. |
| 286 | */ |
| 287 | #define MI_RPN 790 |
| 288 | |
| 289 | /* Define an RPN value for mapping kernel memory to large virtual |
| 290 | * pages for boot initialization. This has real page number of 0, |
| 291 | * large page size, shared page, cache enabled, and valid. |
| 292 | * Also mark all subpages valid and write access. |
| 293 | */ |
| 294 | #define MI_BOOTINIT 0x000001fd |
| 295 | |
| 296 | #define MD_CTR 792 /* Data TLB control register */ |
| 297 | #define MD_GPM 0x80000000 /* Set domain manager mode */ |
| 298 | #define MD_PPM 0x40000000 /* Set subpage protection */ |
| 299 | #define MD_CIDEF 0x20000000 /* Set cache inhibit when MMU dis */ |
| 300 | #define MD_WTDEF 0x10000000 /* Set writethrough when MMU dis */ |
| 301 | #define MD_RSV4I 0x08000000 /* Reserve 4 TLB entries */ |
| 302 | #define MD_TWAM 0x04000000 /* Use 4K page hardware assist */ |
| 303 | #define MD_PPCS 0x02000000 /* Use MI_RPN prob/priv state */ |
| 304 | #define MD_IDXMASK 0x00001f00 /* TLB index to be loaded */ |
| 305 | #define MD_RESETVAL 0x04000000 /* Value of register at reset */ |
| 306 | |
| 307 | #define M_CASID 793 /* Address space ID (context) to match */ |
| 308 | #define MC_ASIDMASK 0x0000000f /* Bits used for ASID value */ |
| 309 | |
| 310 | |
| 311 | /* These are the Ks and Kp from the PowerPC books. For proper operation, |
| 312 | * Ks = 0, Kp = 1. |
| 313 | */ |
| 314 | #define MD_AP 794 |
| 315 | #define MD_Ks 0x80000000 /* Should not be set */ |
| 316 | #define MD_Kp 0x40000000 /* Should always be set */ |
| 317 | |
| 318 | /* The effective page number register. When read, contains the information |
| 319 | * about the last instruction TLB miss. When MD_RPN is written, bits in |
| 320 | * this register are used to create the TLB entry. |
| 321 | */ |
| 322 | #define MD_EPN 795 |
| 323 | #define MD_EPNMASK 0xfffff000 /* Effective page number for entry */ |
| 324 | #define MD_EVALID 0x00000200 /* Entry is valid */ |
| 325 | #define MD_ASIDMASK 0x0000000f /* ASID match value */ |
| 326 | /* Reset value is undefined */ |
| 327 | |
| 328 | /* The pointer to the base address of the first level page table. |
| 329 | * During a software tablewalk, reading this register provides the address |
| 330 | * of the entry associated with MD_EPN. |
| 331 | */ |
| 332 | #define M_TWB 796 |
| 333 | #define M_L1TB 0xfffff000 /* Level 1 table base address */ |
| 334 | #define M_L1INDX 0x00000ffc /* Level 1 index, when read */ |
| 335 | /* Reset value is undefined */ |
| 336 | |
| 337 | /* A "level 1" or "segment" or whatever you want to call it register. |
| 338 | * For the data TLB, it contains bits that get loaded into the TLB entry |
| 339 | * when the MD_RPN is written. It is also provides the hardware assist |
| 340 | * for finding the PTE address during software tablewalk. |
| 341 | */ |
| 342 | #define MD_TWC 797 |
| 343 | #define MD_L2TB 0xfffff000 /* Level 2 table base address */ |
| 344 | #define MD_L2INDX 0xfffffe00 /* Level 2 index (*pte), when read */ |
| 345 | #define MD_APG 0x000001e0 /* Access protection group (0) */ |
| 346 | #define MD_GUARDED 0x00000010 /* Guarded storage */ |
| 347 | #define MD_PSMASK 0x0000000c /* Mask of page size bits */ |
| 348 | #define MD_PS8MEG 0x0000000c /* 8M page size */ |
| 349 | #define MD_PS512K 0x00000004 /* 512K page size */ |
| 350 | #define MD_PS4K_16K 0x00000000 /* 4K or 16K page size */ |
| 351 | #define MD_WT 0x00000002 /* Use writethrough page attribute */ |
| 352 | #define MD_SVALID 0x00000001 /* Segment entry is valid */ |
| 353 | /* Reset value is undefined */ |
| 354 | |
| 355 | |
| 356 | /* Real page number. Defined by the pte. Writing this register |
| 357 | * causes a TLB entry to be created for the data TLB, using |
| 358 | * additional information from the MD_EPN, and MD_TWC registers. |
| 359 | */ |
| 360 | #define MD_RPN 798 |
| 361 | |
| 362 | /* This is a temporary storage register that could be used to save |
| 363 | * a processor working register during a tablewalk. |
| 364 | */ |
| 365 | #define M_TW 799 |
| 366 | |
| 367 | /* |
| 368 | * At present, all PowerPC 400-class processors share a similar TLB |
| 369 | * architecture. The instruction and data sides share a unified, |
| 370 | * 64-entry, fully-associative TLB which is maintained totally under |
| 371 | * software control. In addition, the instruction side has a |
| 372 | * hardware-managed, 4-entry, fully- associative TLB which serves as a |
| 373 | * first level to the shared TLB. These two TLBs are known as the UTLB |
| 374 | * and ITLB, respectively. |
| 375 | */ |
| 376 | |
| 377 | #define PPC4XX_TLB_SIZE 64 |
| 378 | |
| 379 | /* |
| 380 | * TLB entries are defined by a "high" tag portion and a "low" data |
| 381 | * portion. On all architectures, the data portion is 32-bits. |
| 382 | * |
| 383 | * TLB entries are managed entirely under software control by reading, |
| 384 | * writing, and searchoing using the 4xx-specific tlbre, tlbwr, and tlbsx |
| 385 | * instructions. |
| 386 | */ |
| 387 | |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 388 | /* |
Kumar Gala | 1d47273 | 2007-12-18 23:21:51 -0600 | [diff] [blame] | 389 | * FSL Book-E support |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 390 | */ |
| 391 | |
Kumar Gala | c2287af | 2009-09-03 08:20:24 -0500 | [diff] [blame] | 392 | #define MAS0_TLBSEL_MSK 0x30000000 |
Timur Tabi | 5c4a3d4 | 2011-10-31 13:30:41 -0500 | [diff] [blame] | 393 | #define MAS0_TLBSEL(x) (((x) << 28) & MAS0_TLBSEL_MSK) |
Kumar Gala | c2287af | 2009-09-03 08:20:24 -0500 | [diff] [blame] | 394 | #define MAS0_ESEL_MSK 0x0FFF0000 |
Timur Tabi | 5c4a3d4 | 2011-10-31 13:30:41 -0500 | [diff] [blame] | 395 | #define MAS0_ESEL(x) (((x) << 16) & MAS0_ESEL_MSK) |
Kumar Gala | 1d47273 | 2007-12-18 23:21:51 -0600 | [diff] [blame] | 396 | #define MAS0_NV(x) ((x) & 0x00000FFF) |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 397 | |
Wolfgang Denk | 53677ef | 2008-05-20 16:00:29 +0200 | [diff] [blame] | 398 | #define MAS1_VALID 0x80000000 |
Kumar Gala | 1d47273 | 2007-12-18 23:21:51 -0600 | [diff] [blame] | 399 | #define MAS1_IPROT 0x40000000 |
Timur Tabi | 5c4a3d4 | 2011-10-31 13:30:41 -0500 | [diff] [blame] | 400 | #define MAS1_TID(x) (((x) << 16) & 0x3FFF0000) |
Kumar Gala | 1d47273 | 2007-12-18 23:21:51 -0600 | [diff] [blame] | 401 | #define MAS1_TS 0x00001000 |
Scott Wood | 31d084d | 2013-01-18 15:45:58 +0000 | [diff] [blame] | 402 | #define MAS1_TSIZE(x) (((x) << 7) & 0x00000F80) |
| 403 | #define TSIZE_TO_BYTES(x) (1ULL << ((x) + 10)) |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 404 | |
Kumar Gala | 1d47273 | 2007-12-18 23:21:51 -0600 | [diff] [blame] | 405 | #define MAS2_EPN 0xFFFFF000 |
| 406 | #define MAS2_X0 0x00000040 |
| 407 | #define MAS2_X1 0x00000020 |
| 408 | #define MAS2_W 0x00000010 |
| 409 | #define MAS2_I 0x00000008 |
| 410 | #define MAS2_M 0x00000004 |
| 411 | #define MAS2_G 0x00000002 |
| 412 | #define MAS2_E 0x00000001 |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 413 | |
Kumar Gala | 1d47273 | 2007-12-18 23:21:51 -0600 | [diff] [blame] | 414 | #define MAS3_RPN 0xFFFFF000 |
| 415 | #define MAS3_U0 0x00000200 |
| 416 | #define MAS3_U1 0x00000100 |
| 417 | #define MAS3_U2 0x00000080 |
| 418 | #define MAS3_U3 0x00000040 |
| 419 | #define MAS3_UX 0x00000020 |
| 420 | #define MAS3_SX 0x00000010 |
| 421 | #define MAS3_UW 0x00000008 |
| 422 | #define MAS3_SW 0x00000004 |
| 423 | #define MAS3_UR 0x00000002 |
| 424 | #define MAS3_SR 0x00000001 |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 425 | |
Kumar Gala | 1d47273 | 2007-12-18 23:21:51 -0600 | [diff] [blame] | 426 | #define MAS4_TLBSELD(x) MAS0_TLBSEL(x) |
| 427 | #define MAS4_TIDDSEL 0x000F0000 |
| 428 | #define MAS4_TSIZED(x) MAS1_TSIZE(x) |
| 429 | #define MAS4_X0D 0x00000040 |
| 430 | #define MAS4_X1D 0x00000020 |
| 431 | #define MAS4_WD 0x00000010 |
| 432 | #define MAS4_ID 0x00000008 |
| 433 | #define MAS4_MD 0x00000004 |
| 434 | #define MAS4_GD 0x00000002 |
| 435 | #define MAS4_ED 0x00000001 |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 436 | |
Kumar Gala | 1d47273 | 2007-12-18 23:21:51 -0600 | [diff] [blame] | 437 | #define MAS6_SPID0 0x3FFF0000 |
| 438 | #define MAS6_SPID1 0x00007FFE |
| 439 | #define MAS6_SAS 0x00000001 |
| 440 | #define MAS6_SPID MAS6_SPID0 |
| 441 | |
| 442 | #define MAS7_RPN 0xFFFFFFFF |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 443 | |
Kumar Gala | 2146cf5 | 2007-12-19 01:18:15 -0600 | [diff] [blame] | 444 | #define FSL_BOOKE_MAS0(tlbsel,esel,nv) \ |
| 445 | (MAS0_TLBSEL(tlbsel) | MAS0_ESEL(esel) | MAS0_NV(nv)) |
| 446 | #define FSL_BOOKE_MAS1(v,iprot,tid,ts,tsize) \ |
| 447 | ((((v) << 31) & MAS1_VALID) |\ |
| 448 | (((iprot) << 30) & MAS1_IPROT) |\ |
| 449 | (MAS1_TID(tid)) |\ |
| 450 | (((ts) << 12) & MAS1_TS) |\ |
| 451 | (MAS1_TSIZE(tsize))) |
| 452 | #define FSL_BOOKE_MAS2(epn, wimge) \ |
| 453 | (((epn) & MAS3_RPN) | (wimge)) |
| 454 | #define FSL_BOOKE_MAS3(rpn, user, perms) \ |
| 455 | (((rpn) & MAS3_RPN) | (user) | (perms)) |
Kumar Gala | d30f904 | 2009-09-11 11:27:00 -0500 | [diff] [blame] | 456 | #define FSL_BOOKE_MAS7(rpn) \ |
| 457 | (((u64)(rpn)) >> 32) |
Kumar Gala | 2146cf5 | 2007-12-19 01:18:15 -0600 | [diff] [blame] | 458 | |
Scott Wood | 31d084d | 2013-01-18 15:45:58 +0000 | [diff] [blame] | 459 | #define BOOKE_PAGESZ_1K 0 |
| 460 | #define BOOKE_PAGESZ_2K 1 |
| 461 | #define BOOKE_PAGESZ_4K 2 |
| 462 | #define BOOKE_PAGESZ_8K 3 |
| 463 | #define BOOKE_PAGESZ_16K 4 |
| 464 | #define BOOKE_PAGESZ_32K 5 |
| 465 | #define BOOKE_PAGESZ_64K 6 |
| 466 | #define BOOKE_PAGESZ_128K 7 |
| 467 | #define BOOKE_PAGESZ_256K 8 |
| 468 | #define BOOKE_PAGESZ_512K 9 |
| 469 | #define BOOKE_PAGESZ_1M 10 |
| 470 | #define BOOKE_PAGESZ_2M 11 |
| 471 | #define BOOKE_PAGESZ_4M 12 |
| 472 | #define BOOKE_PAGESZ_8M 13 |
| 473 | #define BOOKE_PAGESZ_16M 14 |
| 474 | #define BOOKE_PAGESZ_32M 15 |
| 475 | #define BOOKE_PAGESZ_64M 16 |
| 476 | #define BOOKE_PAGESZ_128M 17 |
| 477 | #define BOOKE_PAGESZ_256M 18 |
| 478 | #define BOOKE_PAGESZ_512M 19 |
| 479 | #define BOOKE_PAGESZ_1G 20 |
| 480 | #define BOOKE_PAGESZ_2G 21 |
| 481 | #define BOOKE_PAGESZ_4G 22 |
| 482 | #define BOOKE_PAGESZ_8G 23 |
| 483 | #define BOOKE_PAGESZ_16GB 24 |
| 484 | #define BOOKE_PAGESZ_32GB 25 |
| 485 | #define BOOKE_PAGESZ_64GB 26 |
| 486 | #define BOOKE_PAGESZ_128GB 27 |
| 487 | #define BOOKE_PAGESZ_256GB 28 |
| 488 | #define BOOKE_PAGESZ_512GB 29 |
| 489 | #define BOOKE_PAGESZ_1TB 30 |
| 490 | #define BOOKE_PAGESZ_2TB 31 |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 491 | |
Scott Wood | 3ea2153 | 2012-08-20 13:10:08 +0000 | [diff] [blame] | 492 | #define TLBIVAX_ALL 4 |
| 493 | #define TLBIVAX_TLB0 0 |
| 494 | #define TLBIVAX_TLB1 8 |
| 495 | |
Kumar Gala | 44a23cf | 2008-01-16 22:33:22 -0600 | [diff] [blame] | 496 | #ifdef CONFIG_E500 |
| 497 | #ifndef __ASSEMBLY__ |
| 498 | extern void set_tlb(u8 tlb, u32 epn, u64 rpn, |
| 499 | u8 perms, u8 wimge, |
| 500 | u8 ts, u8 esel, u8 tsize, u8 iprot); |
| 501 | extern void disable_tlb(u8 esel); |
| 502 | extern void invalidate_tlb(u8 tlb); |
| 503 | extern void init_tlbs(void); |
Kumar Gala | c2287af | 2009-09-03 08:20:24 -0500 | [diff] [blame] | 504 | extern int find_tlb_idx(void *addr, u8 tlbsel); |
Kumar Gala | 94e9411 | 2009-11-12 10:26:16 -0600 | [diff] [blame] | 505 | extern void init_used_tlb_cams(void); |
| 506 | extern int find_free_tlbcam(void); |
Becky Bruce | 70e02bc | 2010-06-17 11:37:22 -0500 | [diff] [blame] | 507 | extern void print_tlbcam(void); |
Becky Bruce | c9315e6 | 2009-02-03 18:10:52 -0600 | [diff] [blame] | 508 | |
Kumar Gala | 6fb1b73 | 2008-06-09 11:07:46 -0500 | [diff] [blame] | 509 | extern unsigned int setup_ddr_tlbs(unsigned int memsize_in_meg); |
Becky Bruce | 9cdfe28 | 2011-07-18 18:49:15 -0500 | [diff] [blame] | 510 | extern void clear_ddr_tlbs(unsigned int memsize_in_meg); |
Kumar Gala | 44a23cf | 2008-01-16 22:33:22 -0600 | [diff] [blame] | 511 | |
Kumar Gala | d30f904 | 2009-09-11 11:27:00 -0500 | [diff] [blame] | 512 | extern void write_tlb(u32 _mas0, u32 _mas1, u32 _mas2, u32 _mas3, u32 _mas7); |
| 513 | |
Kumar Gala | 44a23cf | 2008-01-16 22:33:22 -0600 | [diff] [blame] | 514 | #define SET_TLB_ENTRY(_tlb, _epn, _rpn, _perms, _wimge, _ts, _esel, _sz, _iprot) \ |
Kumar Gala | 206af35 | 2009-09-11 11:30:30 -0500 | [diff] [blame] | 515 | { .mas0 = FSL_BOOKE_MAS0(_tlb, _esel, 0), \ |
| 516 | .mas1 = FSL_BOOKE_MAS1(1, _iprot, 0, _ts, _sz), \ |
| 517 | .mas2 = FSL_BOOKE_MAS2(_epn, _wimge), \ |
| 518 | .mas3 = FSL_BOOKE_MAS3(_rpn, 0, _perms), \ |
| 519 | .mas7 = FSL_BOOKE_MAS7(_rpn), } |
Kumar Gala | 44a23cf | 2008-01-16 22:33:22 -0600 | [diff] [blame] | 520 | |
| 521 | struct fsl_e_tlb_entry { |
Kumar Gala | 206af35 | 2009-09-11 11:30:30 -0500 | [diff] [blame] | 522 | u32 mas0; |
| 523 | u32 mas1; |
| 524 | u32 mas2; |
| 525 | u32 mas3; |
| 526 | u32 mas7; |
Kumar Gala | 44a23cf | 2008-01-16 22:33:22 -0600 | [diff] [blame] | 527 | }; |
| 528 | |
| 529 | extern struct fsl_e_tlb_entry tlb_table[]; |
| 530 | extern int num_tlb_entries; |
| 531 | #endif |
| 532 | #endif |
| 533 | |
Wolfgang Denk | 9d142ea | 2009-09-25 00:57:49 +0200 | [diff] [blame] | 534 | #ifdef CONFIG_E300 |
Jon Loeliger | debb735 | 2006-04-26 17:58:56 -0500 | [diff] [blame] | 535 | #define LAWAR_EN 0x80000000 |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 536 | #define LAWAR_SIZE 0x0000003F |
| 537 | |
| 538 | #define LAWAR_TRGT_IF_PCI 0x00000000 |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 539 | #define LAWAR_TRGT_IF_PCI1 0x00000000 |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 540 | #define LAWAR_TRGT_IF_PCIX 0x00000000 |
wdenk | 0ac6f8b | 2004-07-09 23:27:13 +0000 | [diff] [blame] | 541 | #define LAWAR_TRGT_IF_PCI2 0x00100000 |
Kumar Gala | a853d56 | 2007-11-29 02:18:59 -0600 | [diff] [blame] | 542 | #define LAWAR_TRGT_IF_PCIE1 0x00200000 |
| 543 | #define LAWAR_TRGT_IF_PCIE2 0x00100000 |
| 544 | #define LAWAR_TRGT_IF_PCIE3 0x00300000 |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 545 | #define LAWAR_TRGT_IF_LBC 0x00400000 |
| 546 | #define LAWAR_TRGT_IF_CCSR 0x00800000 |
Jon Loeliger | debb735 | 2006-04-26 17:58:56 -0500 | [diff] [blame] | 547 | #define LAWAR_TRGT_IF_DDR_INTERLEAVED 0x00B00000 |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 548 | #define LAWAR_TRGT_IF_RIO 0x00c00000 |
| 549 | #define LAWAR_TRGT_IF_DDR 0x00f00000 |
Jon Loeliger | 2c33e8a | 2006-08-22 17:54:05 -0500 | [diff] [blame] | 550 | #define LAWAR_TRGT_IF_DDR1 0x00f00000 |
| 551 | #define LAWAR_TRGT_IF_DDR2 0x01600000 |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 552 | |
| 553 | #define LAWAR_SIZE_BASE 0xa |
| 554 | #define LAWAR_SIZE_4K (LAWAR_SIZE_BASE+1) |
| 555 | #define LAWAR_SIZE_8K (LAWAR_SIZE_BASE+2) |
| 556 | #define LAWAR_SIZE_16K (LAWAR_SIZE_BASE+3) |
| 557 | #define LAWAR_SIZE_32K (LAWAR_SIZE_BASE+4) |
| 558 | #define LAWAR_SIZE_64K (LAWAR_SIZE_BASE+5) |
| 559 | #define LAWAR_SIZE_128K (LAWAR_SIZE_BASE+6) |
| 560 | #define LAWAR_SIZE_256K (LAWAR_SIZE_BASE+7) |
| 561 | #define LAWAR_SIZE_512K (LAWAR_SIZE_BASE+8) |
| 562 | #define LAWAR_SIZE_1M (LAWAR_SIZE_BASE+9) |
| 563 | #define LAWAR_SIZE_2M (LAWAR_SIZE_BASE+10) |
| 564 | #define LAWAR_SIZE_4M (LAWAR_SIZE_BASE+11) |
| 565 | #define LAWAR_SIZE_8M (LAWAR_SIZE_BASE+12) |
| 566 | #define LAWAR_SIZE_16M (LAWAR_SIZE_BASE+13) |
| 567 | #define LAWAR_SIZE_32M (LAWAR_SIZE_BASE+14) |
| 568 | #define LAWAR_SIZE_64M (LAWAR_SIZE_BASE+15) |
| 569 | #define LAWAR_SIZE_128M (LAWAR_SIZE_BASE+16) |
| 570 | #define LAWAR_SIZE_256M (LAWAR_SIZE_BASE+17) |
| 571 | #define LAWAR_SIZE_512M (LAWAR_SIZE_BASE+18) |
| 572 | #define LAWAR_SIZE_1G (LAWAR_SIZE_BASE+19) |
| 573 | #define LAWAR_SIZE_2G (LAWAR_SIZE_BASE+20) |
Jon Loeliger | 2c33e8a | 2006-08-22 17:54:05 -0500 | [diff] [blame] | 574 | #define LAWAR_SIZE_4G (LAWAR_SIZE_BASE+21) |
| 575 | #define LAWAR_SIZE_8G (LAWAR_SIZE_BASE+22) |
| 576 | #define LAWAR_SIZE_16G (LAWAR_SIZE_BASE+23) |
| 577 | #define LAWAR_SIZE_32G (LAWAR_SIZE_BASE+24) |
Kumar Gala | 002741a | 2009-09-19 11:20:54 -0500 | [diff] [blame] | 578 | #endif |
wdenk | 42d1f03 | 2003-10-15 23:53:47 +0000 | [diff] [blame] | 579 | |
Stefan Roese | 4037ed3 | 2007-02-20 10:43:34 +0100 | [diff] [blame] | 580 | #ifdef CONFIG_440 |
| 581 | /* General */ |
| 582 | #define TLB_VALID 0x00000200 |
| 583 | |
| 584 | /* Supported page sizes */ |
| 585 | |
| 586 | #define SZ_1K 0x00000000 |
| 587 | #define SZ_4K 0x00000010 |
| 588 | #define SZ_16K 0x00000020 |
| 589 | #define SZ_64K 0x00000030 |
| 590 | #define SZ_256K 0x00000040 |
| 591 | #define SZ_1M 0x00000050 |
| 592 | #define SZ_16M 0x00000070 |
| 593 | #define SZ_256M 0x00000090 |
| 594 | |
| 595 | /* Storage attributes */ |
| 596 | #define SA_W 0x00000800 /* Write-through */ |
| 597 | #define SA_I 0x00000400 /* Caching inhibited */ |
| 598 | #define SA_M 0x00000200 /* Memory coherence */ |
| 599 | #define SA_G 0x00000100 /* Guarded */ |
| 600 | #define SA_E 0x00000080 /* Endian */ |
Stefan Roese | cf6eb6d | 2010-04-14 13:57:18 +0200 | [diff] [blame] | 601 | /* Some additional macros for combinations often used */ |
| 602 | #define SA_IG (SA_I | SA_G) |
Stefan Roese | 4037ed3 | 2007-02-20 10:43:34 +0100 | [diff] [blame] | 603 | |
| 604 | /* Access control */ |
| 605 | #define AC_X 0x00000024 /* Execute */ |
| 606 | #define AC_W 0x00000012 /* Write */ |
| 607 | #define AC_R 0x00000009 /* Read */ |
Stefan Roese | cf6eb6d | 2010-04-14 13:57:18 +0200 | [diff] [blame] | 608 | /* Some additional macros for combinations often used */ |
| 609 | #define AC_RW (AC_R | AC_W) |
| 610 | #define AC_RWX (AC_R | AC_W | AC_X) |
Stefan Roese | 4037ed3 | 2007-02-20 10:43:34 +0100 | [diff] [blame] | 611 | |
| 612 | /* Some handy macros */ |
| 613 | |
| 614 | #define EPN(e) ((e) & 0xfffffc00) |
| 615 | #define TLB0(epn,sz) ((EPN((epn)) | (sz) | TLB_VALID )) |
| 616 | #define TLB1(rpn,erpn) (((rpn) & 0xfffffc00) | (erpn)) |
| 617 | #define TLB2(a) ((a) & 0x00000fbf) |
| 618 | |
| 619 | #define tlbtab_start\ |
| 620 | mflr r1 ;\ |
| 621 | bl 0f ; |
| 622 | |
| 623 | #define tlbtab_end\ |
| 624 | .long 0, 0, 0 ;\ |
| 625 | 0: mflr r0 ;\ |
| 626 | mtlr r1 ;\ |
| 627 | blr ; |
| 628 | |
| 629 | #define tlbentry(epn,sz,rpn,erpn,attr)\ |
| 630 | .long TLB0(epn,sz),TLB1(rpn,erpn),TLB2(attr) |
| 631 | |
| 632 | /*----------------------------------------------------------------------------+ |
| 633 | | TLB specific defines. |
| 634 | +----------------------------------------------------------------------------*/ |
Stefan Roese | 84a999b | 2008-02-19 22:01:57 +0100 | [diff] [blame] | 635 | #define TLB_256MB_ALIGN_MASK 0xFF0000000ULL |
| 636 | #define TLB_16MB_ALIGN_MASK 0xFFF000000ULL |
| 637 | #define TLB_1MB_ALIGN_MASK 0xFFFF00000ULL |
| 638 | #define TLB_256KB_ALIGN_MASK 0xFFFFC0000ULL |
| 639 | #define TLB_64KB_ALIGN_MASK 0xFFFFF0000ULL |
| 640 | #define TLB_16KB_ALIGN_MASK 0xFFFFFC000ULL |
| 641 | #define TLB_4KB_ALIGN_MASK 0xFFFFFF000ULL |
| 642 | #define TLB_1KB_ALIGN_MASK 0xFFFFFFC00ULL |
Stefan Roese | 4037ed3 | 2007-02-20 10:43:34 +0100 | [diff] [blame] | 643 | #define TLB_256MB_SIZE 0x10000000 |
| 644 | #define TLB_16MB_SIZE 0x01000000 |
| 645 | #define TLB_1MB_SIZE 0x00100000 |
| 646 | #define TLB_256KB_SIZE 0x00040000 |
| 647 | #define TLB_64KB_SIZE 0x00010000 |
| 648 | #define TLB_16KB_SIZE 0x00004000 |
| 649 | #define TLB_4KB_SIZE 0x00001000 |
| 650 | #define TLB_1KB_SIZE 0x00000400 |
| 651 | |
| 652 | #define TLB_WORD0_EPN_MASK 0xFFFFFC00 |
| 653 | #define TLB_WORD0_EPN_ENCODE(n) (((unsigned long)(n))&0xFFFFFC00) |
| 654 | #define TLB_WORD0_EPN_DECODE(n) (((unsigned long)(n))&0xFFFFFC00) |
| 655 | #define TLB_WORD0_V_MASK 0x00000200 |
| 656 | #define TLB_WORD0_V_ENABLE 0x00000200 |
| 657 | #define TLB_WORD0_V_DISABLE 0x00000000 |
| 658 | #define TLB_WORD0_TS_MASK 0x00000100 |
| 659 | #define TLB_WORD0_TS_1 0x00000100 |
| 660 | #define TLB_WORD0_TS_0 0x00000000 |
| 661 | #define TLB_WORD0_SIZE_MASK 0x000000F0 |
| 662 | #define TLB_WORD0_SIZE_1KB 0x00000000 |
| 663 | #define TLB_WORD0_SIZE_4KB 0x00000010 |
| 664 | #define TLB_WORD0_SIZE_16KB 0x00000020 |
| 665 | #define TLB_WORD0_SIZE_64KB 0x00000030 |
| 666 | #define TLB_WORD0_SIZE_256KB 0x00000040 |
| 667 | #define TLB_WORD0_SIZE_1MB 0x00000050 |
| 668 | #define TLB_WORD0_SIZE_16MB 0x00000070 |
| 669 | #define TLB_WORD0_SIZE_256MB 0x00000090 |
| 670 | #define TLB_WORD0_TPAR_MASK 0x0000000F |
| 671 | #define TLB_WORD0_TPAR_ENCODE(n) ((((unsigned long)(n))&0x0F)<<0) |
| 672 | #define TLB_WORD0_TPAR_DECODE(n) ((((unsigned long)(n))>>0)&0x0F) |
| 673 | |
| 674 | #define TLB_WORD1_RPN_MASK 0xFFFFFC00 |
| 675 | #define TLB_WORD1_RPN_ENCODE(n) (((unsigned long)(n))&0xFFFFFC00) |
| 676 | #define TLB_WORD1_RPN_DECODE(n) (((unsigned long)(n))&0xFFFFFC00) |
| 677 | #define TLB_WORD1_PAR1_MASK 0x00000300 |
| 678 | #define TLB_WORD1_PAR1_ENCODE(n) ((((unsigned long)(n))&0x03)<<8) |
| 679 | #define TLB_WORD1_PAR1_DECODE(n) ((((unsigned long)(n))>>8)&0x03) |
| 680 | #define TLB_WORD1_PAR1_0 0x00000000 |
| 681 | #define TLB_WORD1_PAR1_1 0x00000100 |
| 682 | #define TLB_WORD1_PAR1_2 0x00000200 |
| 683 | #define TLB_WORD1_PAR1_3 0x00000300 |
| 684 | #define TLB_WORD1_ERPN_MASK 0x0000000F |
| 685 | #define TLB_WORD1_ERPN_ENCODE(n) ((((unsigned long)(n))&0x0F)<<0) |
| 686 | #define TLB_WORD1_ERPN_DECODE(n) ((((unsigned long)(n))>>0)&0x0F) |
| 687 | |
| 688 | #define TLB_WORD2_PAR2_MASK 0xC0000000 |
| 689 | #define TLB_WORD2_PAR2_ENCODE(n) ((((unsigned long)(n))&0x03)<<30) |
| 690 | #define TLB_WORD2_PAR2_DECODE(n) ((((unsigned long)(n))>>30)&0x03) |
| 691 | #define TLB_WORD2_PAR2_0 0x00000000 |
| 692 | #define TLB_WORD2_PAR2_1 0x40000000 |
| 693 | #define TLB_WORD2_PAR2_2 0x80000000 |
| 694 | #define TLB_WORD2_PAR2_3 0xC0000000 |
| 695 | #define TLB_WORD2_U0_MASK 0x00008000 |
| 696 | #define TLB_WORD2_U0_ENABLE 0x00008000 |
| 697 | #define TLB_WORD2_U0_DISABLE 0x00000000 |
| 698 | #define TLB_WORD2_U1_MASK 0x00004000 |
| 699 | #define TLB_WORD2_U1_ENABLE 0x00004000 |
| 700 | #define TLB_WORD2_U1_DISABLE 0x00000000 |
| 701 | #define TLB_WORD2_U2_MASK 0x00002000 |
| 702 | #define TLB_WORD2_U2_ENABLE 0x00002000 |
| 703 | #define TLB_WORD2_U2_DISABLE 0x00000000 |
| 704 | #define TLB_WORD2_U3_MASK 0x00001000 |
| 705 | #define TLB_WORD2_U3_ENABLE 0x00001000 |
| 706 | #define TLB_WORD2_U3_DISABLE 0x00000000 |
| 707 | #define TLB_WORD2_W_MASK 0x00000800 |
| 708 | #define TLB_WORD2_W_ENABLE 0x00000800 |
| 709 | #define TLB_WORD2_W_DISABLE 0x00000000 |
| 710 | #define TLB_WORD2_I_MASK 0x00000400 |
| 711 | #define TLB_WORD2_I_ENABLE 0x00000400 |
| 712 | #define TLB_WORD2_I_DISABLE 0x00000000 |
| 713 | #define TLB_WORD2_M_MASK 0x00000200 |
| 714 | #define TLB_WORD2_M_ENABLE 0x00000200 |
| 715 | #define TLB_WORD2_M_DISABLE 0x00000000 |
| 716 | #define TLB_WORD2_G_MASK 0x00000100 |
| 717 | #define TLB_WORD2_G_ENABLE 0x00000100 |
| 718 | #define TLB_WORD2_G_DISABLE 0x00000000 |
| 719 | #define TLB_WORD2_E_MASK 0x00000080 |
| 720 | #define TLB_WORD2_E_ENABLE 0x00000080 |
| 721 | #define TLB_WORD2_E_DISABLE 0x00000000 |
| 722 | #define TLB_WORD2_UX_MASK 0x00000020 |
| 723 | #define TLB_WORD2_UX_ENABLE 0x00000020 |
| 724 | #define TLB_WORD2_UX_DISABLE 0x00000000 |
| 725 | #define TLB_WORD2_UW_MASK 0x00000010 |
| 726 | #define TLB_WORD2_UW_ENABLE 0x00000010 |
| 727 | #define TLB_WORD2_UW_DISABLE 0x00000000 |
| 728 | #define TLB_WORD2_UR_MASK 0x00000008 |
| 729 | #define TLB_WORD2_UR_ENABLE 0x00000008 |
| 730 | #define TLB_WORD2_UR_DISABLE 0x00000000 |
| 731 | #define TLB_WORD2_SX_MASK 0x00000004 |
| 732 | #define TLB_WORD2_SX_ENABLE 0x00000004 |
| 733 | #define TLB_WORD2_SX_DISABLE 0x00000000 |
| 734 | #define TLB_WORD2_SW_MASK 0x00000002 |
| 735 | #define TLB_WORD2_SW_ENABLE 0x00000002 |
| 736 | #define TLB_WORD2_SW_DISABLE 0x00000000 |
| 737 | #define TLB_WORD2_SR_MASK 0x00000001 |
| 738 | #define TLB_WORD2_SR_ENABLE 0x00000001 |
| 739 | #define TLB_WORD2_SR_DISABLE 0x00000000 |
| 740 | |
Marian Balakowicz | 6c5879f | 2006-06-30 16:30:46 +0200 | [diff] [blame] | 741 | /*----------------------------------------------------------------------------+ |
| 742 | | Following instructions are not available in Book E mode of the GNU assembler. |
| 743 | +----------------------------------------------------------------------------*/ |
| 744 | #define DCCCI(ra,rb) .long 0x7c000000|\ |
| 745 | (ra<<16)|(rb<<11)|(454<<1) |
| 746 | |
| 747 | #define ICCCI(ra,rb) .long 0x7c000000|\ |
| 748 | (ra<<16)|(rb<<11)|(966<<1) |
| 749 | |
| 750 | #define DCREAD(rt,ra,rb) .long 0x7c000000|\ |
| 751 | (rt<<21)|(ra<<16)|(rb<<11)|(486<<1) |
| 752 | |
| 753 | #define ICREAD(ra,rb) .long 0x7c000000|\ |
| 754 | (ra<<16)|(rb<<11)|(998<<1) |
| 755 | |
| 756 | #define TLBSX(rt,ra,rb) .long 0x7c000000|\ |
| 757 | (rt<<21)|(ra<<16)|(rb<<11)|(914<<1) |
| 758 | |
| 759 | #define TLBWE(rs,ra,ws) .long 0x7c000000|\ |
| 760 | (rs<<21)|(ra<<16)|(ws<<11)|(978<<1) |
| 761 | |
| 762 | #define TLBRE(rt,ra,ws) .long 0x7c000000|\ |
| 763 | (rt<<21)|(ra<<16)|(ws<<11)|(946<<1) |
| 764 | |
| 765 | #define TLBSXDOT(rt,ra,rb) .long 0x7c000001|\ |
| 766 | (rt<<21)|(ra<<16)|(rb<<11)|(914<<1) |
| 767 | |
| 768 | #define MSYNC .long 0x7c000000|\ |
| 769 | (598<<1) |
| 770 | |
Wolfgang Denk | 53677ef | 2008-05-20 16:00:29 +0200 | [diff] [blame] | 771 | #define MBAR_INST .long 0x7c000000|\ |
Marian Balakowicz | 6c5879f | 2006-06-30 16:30:46 +0200 | [diff] [blame] | 772 | (854<<1) |
| 773 | |
Stefan Roese | 4037ed3 | 2007-02-20 10:43:34 +0100 | [diff] [blame] | 774 | #ifndef __ASSEMBLY__ |
| 775 | /* Prototypes */ |
| 776 | void mttlb1(unsigned long index, unsigned long value); |
| 777 | void mttlb2(unsigned long index, unsigned long value); |
| 778 | void mttlb3(unsigned long index, unsigned long value); |
| 779 | unsigned long mftlb1(unsigned long index); |
| 780 | unsigned long mftlb2(unsigned long index); |
| 781 | unsigned long mftlb3(unsigned long index); |
Stefan Roese | 5743a92 | 2007-07-16 08:53:51 +0200 | [diff] [blame] | 782 | |
Stefan Roese | 84a999b | 2008-02-19 22:01:57 +0100 | [diff] [blame] | 783 | void program_tlb(u64 phys_addr, u32 virt_addr, u32 size, u32 tlb_word2_i_value); |
Stefan Roese | 5743a92 | 2007-07-16 08:53:51 +0200 | [diff] [blame] | 784 | void remove_tlb(u32 vaddr, u32 size); |
Stefan Roese | 483e09a | 2007-10-31 17:59:22 +0100 | [diff] [blame] | 785 | void change_tlb(u32 vaddr, u32 size, u32 tlb_word2_i_value); |
Stefan Roese | 4037ed3 | 2007-02-20 10:43:34 +0100 | [diff] [blame] | 786 | #endif /* __ASSEMBLY__ */ |
Marian Balakowicz | 6c5879f | 2006-06-30 16:30:46 +0200 | [diff] [blame] | 787 | |
Stefan Roese | 4037ed3 | 2007-02-20 10:43:34 +0100 | [diff] [blame] | 788 | #endif /* CONFIG_440 */ |
wdenk | 3b759bd | 2002-03-31 16:14:24 +0000 | [diff] [blame] | 789 | #endif /* _PPC_MMU_H_ */ |