2
* PowerPC memory management structures
9
/* Hardware Page Table Entry */
11
#ifdef CONFIG_PPC64BRIDGE
12
unsigned long long vsid:52;
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 */
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 */
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 */
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 */
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 */
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 */
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 */
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 */
99
BATU batu; /* Upper register */
100
BATL batl; /* Lower register */
103
typedef struct _P601_BAT {
104
P601_BATU batu; /* Upper register */
105
P601_BATL batl; /* Lower register */
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.
113
* The simulated structures mimic the hardware available on other
114
* platforms, notably the 80x86 and 680x0.
117
typedef struct _pte {
118
unsigned long page_num:20;
119
unsigned long flags:12; /* Page flags (some unused bits) */
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 */
131
typedef struct _MMU_context {
132
SEGREG segs[16]; /* Segment registers */
133
pte **pmap; /* Two-level page-map structure */
136
extern void _tlbie(unsigned long va); /* invalidate a TLB entry */
137
extern void _tlbia(void); /* invalidate all TLB entries */
139
#ifdef CONFIG_ADDR_MAP
140
extern void init_addr_map(void);
144
IBAT0 = 0, IBAT1, IBAT2, IBAT3,
145
DBAT0, DBAT1, DBAT2, DBAT3,
146
#ifdef CONFIG_HIGH_BATS
147
IBAT4, IBAT5, IBAT6, IBAT7,
148
DBAT4, DBAT5, DBAT6, DBAT7
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);
154
extern void print_bats(void);
156
#endif /* __ASSEMBLY__ */
158
#define BATU_VS 0x00000002
159
#define BATU_VP 0x00000001
160
#define BATU_INVALID 0x00000000
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
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
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
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
192
/* Block lengths for processors that support extended block length */
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
200
#define BATU_BL_MAX BATU_BL_256M
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 */
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)))
214
#define BATU_SIZE(x) (1ULL << (fls((x & BATU_BL_MAX) >> 2) + 17))
216
/* bytes into BATU_BL */
217
#define TO_BATU_BL(x) \
218
(u32)((((1ull << __ilog2_u64((u64)x)) / (128 * 1024)) - 1) * 4)
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
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
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 */
252
/* These are the Ks and Kp from the PowerPC books. For proper operation,
256
#define MI_Ks 0x80000000 /* Should not be set */
257
#define MI_Kp 0x40000000 /* Should always be set */
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.
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 */
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.
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 */
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.
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.
294
#define MI_BOOTINIT 0x000001fd
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 */
307
#define M_CASID 793 /* Address space ID (context) to match */
308
#define MC_ASIDMASK 0x0000000f /* Bits used for ASID value */
311
/* These are the Ks and Kp from the PowerPC books. For proper operation,
315
#define MD_Ks 0x80000000 /* Should not be set */
316
#define MD_Kp 0x40000000 /* Should always be set */
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.
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 */
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.
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 */
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.
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 */
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.
362
/* This is a temporary storage register that could be used to save
363
* a processor working register during a tablewalk.
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.
377
#define PPC4XX_TLB_SIZE 64
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.
383
* TLB entries are managed entirely under software control by reading,
384
* writing, and searchoing using the 4xx-specific tlbre, tlbwr, and tlbsx
392
#define MAS0_TLBSEL_MSK 0x30000000
393
#define MAS0_TLBSEL(x) (((x) << 28) & MAS0_TLBSEL_MSK)
394
#define MAS0_ESEL_MSK 0x0FFF0000
395
#define MAS0_ESEL(x) (((x) << 16) & MAS0_ESEL_MSK)
396
#define MAS0_NV(x) ((x) & 0x00000FFF)
398
#define MAS1_VALID 0x80000000
399
#define MAS1_IPROT 0x40000000
400
#define MAS1_TID(x) (((x) << 16) & 0x3FFF0000)
401
#define MAS1_TS 0x00001000
402
#define MAS1_TSIZE(x) (((x) << 7) & 0x00000F80)
403
#define TSIZE_TO_BYTES(x) (1ULL << ((x) + 10))
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
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
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
437
#define MAS6_SPID0 0x3FFF0000
438
#define MAS6_SPID1 0x00007FFE
439
#define MAS6_SAS 0x00000001
440
#define MAS6_SPID MAS6_SPID0
442
#define MAS7_RPN 0xFFFFFFFF
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) |\
450
(((ts) << 12) & MAS1_TS) |\
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))
456
#define FSL_BOOKE_MAS7(rpn) \
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
492
#define TLBIVAX_ALL 4
493
#define TLBIVAX_TLB0 0
494
#define TLBIVAX_TLB1 8
498
extern void set_tlb(u8 tlb, u32 epn, u64 rpn,
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);
504
extern int find_tlb_idx(void *addr, u8 tlbsel);
505
extern void init_used_tlb_cams(void);
506
extern int find_free_tlbcam(void);
507
extern void print_tlbcam(void);
509
extern unsigned int setup_ddr_tlbs(unsigned int memsize_in_meg);
510
extern void clear_ddr_tlbs(unsigned int memsize_in_meg);
517
extern uint64_t tlb_map_range(ulong v_addr, phys_addr_t p_addr, uint64_t size,
518
enum tlb_map_type map_type);
520
extern void write_tlb(u32 _mas0, u32 _mas1, u32 _mas2, u32 _mas3, u32 _mas7);
522
#define SET_TLB_ENTRY(_tlb, _epn, _rpn, _perms, _wimge, _ts, _esel, _sz, _iprot) \
523
{ .mas0 = FSL_BOOKE_MAS0(_tlb, _esel, 0), \
524
.mas1 = FSL_BOOKE_MAS1(1, _iprot, 0, _ts, _sz), \
525
.mas2 = FSL_BOOKE_MAS2(_epn, _wimge), \
526
.mas3 = FSL_BOOKE_MAS3(_rpn, 0, _perms), \
527
.mas7 = FSL_BOOKE_MAS7(_rpn), }
529
struct fsl_e_tlb_entry {
537
extern struct fsl_e_tlb_entry tlb_table[];
538
extern int num_tlb_entries;
543
#define LAWAR_EN 0x80000000
544
#define LAWAR_SIZE 0x0000003F
546
#define LAWAR_TRGT_IF_PCI 0x00000000
547
#define LAWAR_TRGT_IF_PCI1 0x00000000
548
#define LAWAR_TRGT_IF_PCIX 0x00000000
549
#define LAWAR_TRGT_IF_PCI2 0x00100000
550
#define LAWAR_TRGT_IF_PCIE1 0x00200000
551
#define LAWAR_TRGT_IF_PCIE2 0x00100000
552
#define LAWAR_TRGT_IF_PCIE3 0x00300000
553
#define LAWAR_TRGT_IF_LBC 0x00400000
554
#define LAWAR_TRGT_IF_CCSR 0x00800000
555
#define LAWAR_TRGT_IF_DDR_INTERLEAVED 0x00B00000
556
#define LAWAR_TRGT_IF_RIO 0x00c00000
557
#define LAWAR_TRGT_IF_DDR 0x00f00000
558
#define LAWAR_TRGT_IF_DDR1 0x00f00000
559
#define LAWAR_TRGT_IF_DDR2 0x01600000
561
#define LAWAR_SIZE_BASE 0xa
562
#define LAWAR_SIZE_4K (LAWAR_SIZE_BASE+1)
563
#define LAWAR_SIZE_8K (LAWAR_SIZE_BASE+2)
564
#define LAWAR_SIZE_16K (LAWAR_SIZE_BASE+3)
565
#define LAWAR_SIZE_32K (LAWAR_SIZE_BASE+4)
566
#define LAWAR_SIZE_64K (LAWAR_SIZE_BASE+5)
567
#define LAWAR_SIZE_128K (LAWAR_SIZE_BASE+6)
568
#define LAWAR_SIZE_256K (LAWAR_SIZE_BASE+7)
569
#define LAWAR_SIZE_512K (LAWAR_SIZE_BASE+8)
570
#define LAWAR_SIZE_1M (LAWAR_SIZE_BASE+9)
571
#define LAWAR_SIZE_2M (LAWAR_SIZE_BASE+10)
572
#define LAWAR_SIZE_4M (LAWAR_SIZE_BASE+11)
573
#define LAWAR_SIZE_8M (LAWAR_SIZE_BASE+12)
574
#define LAWAR_SIZE_16M (LAWAR_SIZE_BASE+13)
575
#define LAWAR_SIZE_32M (LAWAR_SIZE_BASE+14)
576
#define LAWAR_SIZE_64M (LAWAR_SIZE_BASE+15)
577
#define LAWAR_SIZE_128M (LAWAR_SIZE_BASE+16)
578
#define LAWAR_SIZE_256M (LAWAR_SIZE_BASE+17)
579
#define LAWAR_SIZE_512M (LAWAR_SIZE_BASE+18)
580
#define LAWAR_SIZE_1G (LAWAR_SIZE_BASE+19)
581
#define LAWAR_SIZE_2G (LAWAR_SIZE_BASE+20)
582
#define LAWAR_SIZE_4G (LAWAR_SIZE_BASE+21)
583
#define LAWAR_SIZE_8G (LAWAR_SIZE_BASE+22)
584
#define LAWAR_SIZE_16G (LAWAR_SIZE_BASE+23)
585
#define LAWAR_SIZE_32G (LAWAR_SIZE_BASE+24)
590
#define TLB_VALID 0x00000200
592
/* Supported page sizes */
594
#define SZ_1K 0x00000000
595
#define SZ_4K 0x00000010
596
#define SZ_16K 0x00000020
597
#define SZ_64K 0x00000030
598
#define SZ_256K 0x00000040
599
#define SZ_1M 0x00000050
600
#define SZ_16M 0x00000070
601
#define SZ_256M 0x00000090
603
/* Storage attributes */
604
#define SA_W 0x00000800 /* Write-through */
605
#define SA_I 0x00000400 /* Caching inhibited */
606
#define SA_M 0x00000200 /* Memory coherence */
607
#define SA_G 0x00000100 /* Guarded */
608
#define SA_E 0x00000080 /* Endian */
609
/* Some additional macros for combinations often used */
610
#define SA_IG (SA_I | SA_G)
613
#define AC_X 0x00000024 /* Execute */
614
#define AC_W 0x00000012 /* Write */
615
#define AC_R 0x00000009 /* Read */
616
/* Some additional macros for combinations often used */
617
#define AC_RW (AC_R | AC_W)
618
#define AC_RWX (AC_R | AC_W | AC_X)
620
/* Some handy macros */
622
#define EPN(e) ((e) & 0xfffffc00)
623
#define TLB0(epn,sz) ((EPN((epn)) | (sz) | TLB_VALID ))
624
#define TLB1(rpn,erpn) (((rpn) & 0xfffffc00) | (erpn))
625
#define TLB2(a) ((a) & 0x00000fbf)
627
#define tlbtab_start\
637
#define tlbentry(epn,sz,rpn,erpn,attr)\
638
.long TLB0(epn,sz),TLB1(rpn,erpn),TLB2(attr)
640
/*----------------------------------------------------------------------------+
641
| TLB specific defines.
642
+----------------------------------------------------------------------------*/
643
#define TLB_256MB_ALIGN_MASK 0xFF0000000ULL
644
#define TLB_16MB_ALIGN_MASK 0xFFF000000ULL
645
#define TLB_1MB_ALIGN_MASK 0xFFFF00000ULL
646
#define TLB_256KB_ALIGN_MASK 0xFFFFC0000ULL
647
#define TLB_64KB_ALIGN_MASK 0xFFFFF0000ULL
648
#define TLB_16KB_ALIGN_MASK 0xFFFFFC000ULL
649
#define TLB_4KB_ALIGN_MASK 0xFFFFFF000ULL
650
#define TLB_1KB_ALIGN_MASK 0xFFFFFFC00ULL
651
#define TLB_256MB_SIZE 0x10000000
652
#define TLB_16MB_SIZE 0x01000000
653
#define TLB_1MB_SIZE 0x00100000
654
#define TLB_256KB_SIZE 0x00040000
655
#define TLB_64KB_SIZE 0x00010000
656
#define TLB_16KB_SIZE 0x00004000
657
#define TLB_4KB_SIZE 0x00001000
658
#define TLB_1KB_SIZE 0x00000400
660
#define TLB_WORD0_EPN_MASK 0xFFFFFC00
661
#define TLB_WORD0_EPN_ENCODE(n) (((unsigned long)(n))&0xFFFFFC00)
662
#define TLB_WORD0_EPN_DECODE(n) (((unsigned long)(n))&0xFFFFFC00)
663
#define TLB_WORD0_V_MASK 0x00000200
664
#define TLB_WORD0_V_ENABLE 0x00000200
665
#define TLB_WORD0_V_DISABLE 0x00000000
666
#define TLB_WORD0_TS_MASK 0x00000100
667
#define TLB_WORD0_TS_1 0x00000100
668
#define TLB_WORD0_TS_0 0x00000000
669
#define TLB_WORD0_SIZE_MASK 0x000000F0
670
#define TLB_WORD0_SIZE_1KB 0x00000000
671
#define TLB_WORD0_SIZE_4KB 0x00000010
672
#define TLB_WORD0_SIZE_16KB 0x00000020
673
#define TLB_WORD0_SIZE_64KB 0x00000030
674
#define TLB_WORD0_SIZE_256KB 0x00000040
675
#define TLB_WORD0_SIZE_1MB 0x00000050
676
#define TLB_WORD0_SIZE_16MB 0x00000070
677
#define TLB_WORD0_SIZE_256MB 0x00000090
678
#define TLB_WORD0_TPAR_MASK 0x0000000F
679
#define TLB_WORD0_TPAR_ENCODE(n) ((((unsigned long)(n))&0x0F)<<0)
680
#define TLB_WORD0_TPAR_DECODE(n) ((((unsigned long)(n))>>0)&0x0F)
682
#define TLB_WORD1_RPN_MASK 0xFFFFFC00
683
#define TLB_WORD1_RPN_ENCODE(n) (((unsigned long)(n))&0xFFFFFC00)
684
#define TLB_WORD1_RPN_DECODE(n) (((unsigned long)(n))&0xFFFFFC00)
685
#define TLB_WORD1_PAR1_MASK 0x00000300
686
#define TLB_WORD1_PAR1_ENCODE(n) ((((unsigned long)(n))&0x03)<<8)
687
#define TLB_WORD1_PAR1_DECODE(n) ((((unsigned long)(n))>>8)&0x03)
688
#define TLB_WORD1_PAR1_0 0x00000000
689
#define TLB_WORD1_PAR1_1 0x00000100
690
#define TLB_WORD1_PAR1_2 0x00000200
691
#define TLB_WORD1_PAR1_3 0x00000300
692
#define TLB_WORD1_ERPN_MASK 0x0000000F
693
#define TLB_WORD1_ERPN_ENCODE(n) ((((unsigned long)(n))&0x0F)<<0)
694
#define TLB_WORD1_ERPN_DECODE(n) ((((unsigned long)(n))>>0)&0x0F)
696
#define TLB_WORD2_PAR2_MASK 0xC0000000
697
#define TLB_WORD2_PAR2_ENCODE(n) ((((unsigned long)(n))&0x03)<<30)
698
#define TLB_WORD2_PAR2_DECODE(n) ((((unsigned long)(n))>>30)&0x03)
699
#define TLB_WORD2_PAR2_0 0x00000000
700
#define TLB_WORD2_PAR2_1 0x40000000
701
#define TLB_WORD2_PAR2_2 0x80000000
702
#define TLB_WORD2_PAR2_3 0xC0000000
703
#define TLB_WORD2_U0_MASK 0x00008000
704
#define TLB_WORD2_U0_ENABLE 0x00008000
705
#define TLB_WORD2_U0_DISABLE 0x00000000
706
#define TLB_WORD2_U1_MASK 0x00004000
707
#define TLB_WORD2_U1_ENABLE 0x00004000
708
#define TLB_WORD2_U1_DISABLE 0x00000000
709
#define TLB_WORD2_U2_MASK 0x00002000
710
#define TLB_WORD2_U2_ENABLE 0x00002000
711
#define TLB_WORD2_U2_DISABLE 0x00000000
712
#define TLB_WORD2_U3_MASK 0x00001000
713
#define TLB_WORD2_U3_ENABLE 0x00001000
714
#define TLB_WORD2_U3_DISABLE 0x00000000
715
#define TLB_WORD2_W_MASK 0x00000800
716
#define TLB_WORD2_W_ENABLE 0x00000800
717
#define TLB_WORD2_W_DISABLE 0x00000000
718
#define TLB_WORD2_I_MASK 0x00000400
719
#define TLB_WORD2_I_ENABLE 0x00000400
720
#define TLB_WORD2_I_DISABLE 0x00000000
721
#define TLB_WORD2_M_MASK 0x00000200
722
#define TLB_WORD2_M_ENABLE 0x00000200
723
#define TLB_WORD2_M_DISABLE 0x00000000
724
#define TLB_WORD2_G_MASK 0x00000100
725
#define TLB_WORD2_G_ENABLE 0x00000100
726
#define TLB_WORD2_G_DISABLE 0x00000000
727
#define TLB_WORD2_E_MASK 0x00000080
728
#define TLB_WORD2_E_ENABLE 0x00000080
729
#define TLB_WORD2_E_DISABLE 0x00000000
730
#define TLB_WORD2_UX_MASK 0x00000020
731
#define TLB_WORD2_UX_ENABLE 0x00000020
732
#define TLB_WORD2_UX_DISABLE 0x00000000
733
#define TLB_WORD2_UW_MASK 0x00000010
734
#define TLB_WORD2_UW_ENABLE 0x00000010
735
#define TLB_WORD2_UW_DISABLE 0x00000000
736
#define TLB_WORD2_UR_MASK 0x00000008
737
#define TLB_WORD2_UR_ENABLE 0x00000008
738
#define TLB_WORD2_UR_DISABLE 0x00000000
739
#define TLB_WORD2_SX_MASK 0x00000004
740
#define TLB_WORD2_SX_ENABLE 0x00000004
741
#define TLB_WORD2_SX_DISABLE 0x00000000
742
#define TLB_WORD2_SW_MASK 0x00000002
743
#define TLB_WORD2_SW_ENABLE 0x00000002
744
#define TLB_WORD2_SW_DISABLE 0x00000000
745
#define TLB_WORD2_SR_MASK 0x00000001
746
#define TLB_WORD2_SR_ENABLE 0x00000001
747
#define TLB_WORD2_SR_DISABLE 0x00000000
749
/*----------------------------------------------------------------------------+
750
| Following instructions are not available in Book E mode of the GNU assembler.
751
+----------------------------------------------------------------------------*/
752
#define DCCCI(ra,rb) .long 0x7c000000|\
753
(ra<<16)|(rb<<11)|(454<<1)
755
#define ICCCI(ra,rb) .long 0x7c000000|\
756
(ra<<16)|(rb<<11)|(966<<1)
758
#define DCREAD(rt,ra,rb) .long 0x7c000000|\
759
(rt<<21)|(ra<<16)|(rb<<11)|(486<<1)
761
#define ICREAD(ra,rb) .long 0x7c000000|\
762
(ra<<16)|(rb<<11)|(998<<1)
764
#define TLBSX(rt,ra,rb) .long 0x7c000000|\
765
(rt<<21)|(ra<<16)|(rb<<11)|(914<<1)
767
#define TLBWE(rs,ra,ws) .long 0x7c000000|\
768
(rs<<21)|(ra<<16)|(ws<<11)|(978<<1)
770
#define TLBRE(rt,ra,ws) .long 0x7c000000|\
771
(rt<<21)|(ra<<16)|(ws<<11)|(946<<1)
773
#define TLBSXDOT(rt,ra,rb) .long 0x7c000001|\
774
(rt<<21)|(ra<<16)|(rb<<11)|(914<<1)
776
#define MSYNC .long 0x7c000000|\
779
#define MBAR_INST .long 0x7c000000|\
784
void mttlb1(unsigned long index, unsigned long value);
785
void mttlb2(unsigned long index, unsigned long value);
786
void mttlb3(unsigned long index, unsigned long value);
787
unsigned long mftlb1(unsigned long index);
788
unsigned long mftlb2(unsigned long index);
789
unsigned long mftlb3(unsigned long index);
791
void program_tlb(u64 phys_addr, u32 virt_addr, u32 size, u32 tlb_word2_i_value);
792
void remove_tlb(u32 vaddr, u32 size);
793
void change_tlb(u32 vaddr, u32 size, u32 tlb_word2_i_value);
794
#endif /* __ASSEMBLY__ */
796
#endif /* CONFIG_440 */
797
#endif /* _PPC_MMU_H_ */