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wdenk3b759bd2002-03-31 16:14:24 +00001/*
2 * PowerPC memory management structures
3 */
4
5#ifndef _PPC_MMU_H_
6#define _PPC_MMU_H_
7
wdenk3b759bd2002-03-31 16:14:24 +00008#ifndef __ASSEMBLY__
9/* Hardware Page Table Entry */
10typedef 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 */
43typedef 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 */
53typedef 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
64typedef 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
76typedef 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
83typedef 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
98typedef struct _BAT {
99 BATU batu; /* Upper register */
100 BATL batl; /* Lower register */
101} BAT;
102
103typedef 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
117typedef struct _pte {
Jon Loeliger5f3249a2006-10-13 16:47:53 -0500118 unsigned long page_num:20;
119 unsigned long flags:12; /* Page flags (some unused bits) */
wdenk3b759bd2002-03-31 16:14:24 +0000120} 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
131typedef struct _MMU_context {
132 SEGREG segs[16]; /* Segment registers */
133 pte **pmap; /* Two-level page-map structure */
134} MMU_context;
135
136extern void _tlbie(unsigned long va); /* invalidate a TLB entry */
137extern void _tlbia(void); /* invalidate all TLB entries */
138
Becky Brucec9315e62009-02-03 18:10:52 -0600139#ifdef CONFIG_ADDR_MAP
140extern void init_addr_map(void);
141#endif
142
wdenk3b759bd2002-03-31 16:14:24 +0000143typedef enum {
144 IBAT0 = 0, IBAT1, IBAT2, IBAT3,
Becky Brucec148f242008-05-15 21:29:04 -0500145 DBAT0, DBAT1, DBAT2, DBAT3,
146#ifdef CONFIG_HIGH_BATS
147 IBAT4, IBAT5, IBAT6, IBAT7,
148 DBAT4, DBAT5, DBAT6, DBAT7
149#endif
wdenk3b759bd2002-03-31 16:14:24 +0000150} ppc_bat_t;
151
152extern int read_bat(ppc_bat_t bat, unsigned long *upper, unsigned long *lower);
153extern int write_bat(ppc_bat_t bat, unsigned long upper, unsigned long lower);
Becky Bruced5b9b8c2008-05-09 15:41:35 -0500154extern void print_bats(void);
wdenk3b759bd2002-03-31 16:14:24 +0000155
156#endif /* __ASSEMBLY__ */
157
Becky Bruced35ae5a2009-02-03 18:10:51 -0600158#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
wdenk3b759bd2002-03-31 16:14:24 +0000202
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 Brucec9315e62009-02-03 18:10:52 -0600208/* 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 Tabi9ff32d82010-03-29 12:51:07 -0500214#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 Brucec9315e62009-02-03 18:10:52 -0600219
wdenk3b759bd2002-03-31 16:14:24 +0000220/* 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
wdenk42d1f032003-10-15 23:53:47 +0000388/*
Kumar Gala1d472732007-12-18 23:21:51 -0600389 * FSL Book-E support
wdenk42d1f032003-10-15 23:53:47 +0000390 */
391
Kumar Galac2287af2009-09-03 08:20:24 -0500392#define MAS0_TLBSEL_MSK 0x30000000
Timur Tabi5c4a3d42011-10-31 13:30:41 -0500393#define MAS0_TLBSEL(x) (((x) << 28) & MAS0_TLBSEL_MSK)
Kumar Galac2287af2009-09-03 08:20:24 -0500394#define MAS0_ESEL_MSK 0x0FFF0000
Timur Tabi5c4a3d42011-10-31 13:30:41 -0500395#define MAS0_ESEL(x) (((x) << 16) & MAS0_ESEL_MSK)
Kumar Gala1d472732007-12-18 23:21:51 -0600396#define MAS0_NV(x) ((x) & 0x00000FFF)
wdenk42d1f032003-10-15 23:53:47 +0000397
Wolfgang Denk53677ef2008-05-20 16:00:29 +0200398#define MAS1_VALID 0x80000000
Kumar Gala1d472732007-12-18 23:21:51 -0600399#define MAS1_IPROT 0x40000000
Timur Tabi5c4a3d42011-10-31 13:30:41 -0500400#define MAS1_TID(x) (((x) << 16) & 0x3FFF0000)
Kumar Gala1d472732007-12-18 23:21:51 -0600401#define MAS1_TS 0x00001000
Scott Wood31d084d2013-01-18 15:45:58 +0000402#define MAS1_TSIZE(x) (((x) << 7) & 0x00000F80)
403#define TSIZE_TO_BYTES(x) (1ULL << ((x) + 10))
wdenk42d1f032003-10-15 23:53:47 +0000404
Kumar Gala1d472732007-12-18 23:21:51 -0600405#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
wdenk42d1f032003-10-15 23:53:47 +0000413
Kumar Gala1d472732007-12-18 23:21:51 -0600414#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
wdenk42d1f032003-10-15 23:53:47 +0000425
Kumar Gala1d472732007-12-18 23:21:51 -0600426#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
wdenk42d1f032003-10-15 23:53:47 +0000436
Kumar Gala1d472732007-12-18 23:21:51 -0600437#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
wdenk42d1f032003-10-15 23:53:47 +0000443
Kumar Gala2146cf52007-12-19 01:18:15 -0600444#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 Galad30f9042009-09-11 11:27:00 -0500456#define FSL_BOOKE_MAS7(rpn) \
457 (((u64)(rpn)) >> 32)
Kumar Gala2146cf52007-12-19 01:18:15 -0600458
Scott Wood31d084d2013-01-18 15:45:58 +0000459#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
wdenk42d1f032003-10-15 23:53:47 +0000491
Scott Wood3ea21532012-08-20 13:10:08 +0000492#define TLBIVAX_ALL 4
493#define TLBIVAX_TLB0 0
494#define TLBIVAX_TLB1 8
495
Kumar Gala44a23cf2008-01-16 22:33:22 -0600496#ifdef CONFIG_E500
497#ifndef __ASSEMBLY__
498extern void set_tlb(u8 tlb, u32 epn, u64 rpn,
499 u8 perms, u8 wimge,
500 u8 ts, u8 esel, u8 tsize, u8 iprot);
501extern void disable_tlb(u8 esel);
502extern void invalidate_tlb(u8 tlb);
503extern void init_tlbs(void);
Kumar Galac2287af2009-09-03 08:20:24 -0500504extern int find_tlb_idx(void *addr, u8 tlbsel);
Kumar Gala94e94112009-11-12 10:26:16 -0600505extern void init_used_tlb_cams(void);
506extern int find_free_tlbcam(void);
Becky Bruce70e02bc2010-06-17 11:37:22 -0500507extern void print_tlbcam(void);
Becky Brucec9315e62009-02-03 18:10:52 -0600508
Kumar Gala6fb1b732008-06-09 11:07:46 -0500509extern unsigned int setup_ddr_tlbs(unsigned int memsize_in_meg);
Becky Bruce9cdfe282011-07-18 18:49:15 -0500510extern void clear_ddr_tlbs(unsigned int memsize_in_meg);
Kumar Gala44a23cf2008-01-16 22:33:22 -0600511
Alexander Graff29f8042014-04-11 17:09:43 +0200512enum tlb_map_type {
513 TLB_MAP_RAM,
514 TLB_MAP_IO,
515};
516
517extern uint64_t tlb_map_range(ulong v_addr, phys_addr_t p_addr, uint64_t size,
518 enum tlb_map_type map_type);
519
Kumar Galad30f9042009-09-11 11:27:00 -0500520extern void write_tlb(u32 _mas0, u32 _mas1, u32 _mas2, u32 _mas3, u32 _mas7);
521
Kumar Gala44a23cf2008-01-16 22:33:22 -0600522#define SET_TLB_ENTRY(_tlb, _epn, _rpn, _perms, _wimge, _ts, _esel, _sz, _iprot) \
Kumar Gala206af352009-09-11 11:30:30 -0500523 { .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), }
Kumar Gala44a23cf2008-01-16 22:33:22 -0600528
529struct fsl_e_tlb_entry {
Kumar Gala206af352009-09-11 11:30:30 -0500530 u32 mas0;
531 u32 mas1;
532 u32 mas2;
533 u32 mas3;
534 u32 mas7;
Kumar Gala44a23cf2008-01-16 22:33:22 -0600535};
536
537extern struct fsl_e_tlb_entry tlb_table[];
538extern int num_tlb_entries;
539#endif
540#endif
541
Wolfgang Denk9d142ea2009-09-25 00:57:49 +0200542#ifdef CONFIG_E300
Jon Loeligerdebb7352006-04-26 17:58:56 -0500543#define LAWAR_EN 0x80000000
wdenk42d1f032003-10-15 23:53:47 +0000544#define LAWAR_SIZE 0x0000003F
545
546#define LAWAR_TRGT_IF_PCI 0x00000000
wdenk0ac6f8b2004-07-09 23:27:13 +0000547#define LAWAR_TRGT_IF_PCI1 0x00000000
wdenk42d1f032003-10-15 23:53:47 +0000548#define LAWAR_TRGT_IF_PCIX 0x00000000
wdenk0ac6f8b2004-07-09 23:27:13 +0000549#define LAWAR_TRGT_IF_PCI2 0x00100000
Kumar Galaa853d562007-11-29 02:18:59 -0600550#define LAWAR_TRGT_IF_PCIE1 0x00200000
551#define LAWAR_TRGT_IF_PCIE2 0x00100000
552#define LAWAR_TRGT_IF_PCIE3 0x00300000
wdenk42d1f032003-10-15 23:53:47 +0000553#define LAWAR_TRGT_IF_LBC 0x00400000
554#define LAWAR_TRGT_IF_CCSR 0x00800000
Jon Loeligerdebb7352006-04-26 17:58:56 -0500555#define LAWAR_TRGT_IF_DDR_INTERLEAVED 0x00B00000
wdenk42d1f032003-10-15 23:53:47 +0000556#define LAWAR_TRGT_IF_RIO 0x00c00000
557#define LAWAR_TRGT_IF_DDR 0x00f00000
Jon Loeliger2c33e8a2006-08-22 17:54:05 -0500558#define LAWAR_TRGT_IF_DDR1 0x00f00000
559#define LAWAR_TRGT_IF_DDR2 0x01600000
wdenk42d1f032003-10-15 23:53:47 +0000560
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)
Jon Loeliger2c33e8a2006-08-22 17:54:05 -0500582#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)
Kumar Gala002741a2009-09-19 11:20:54 -0500586#endif
wdenk42d1f032003-10-15 23:53:47 +0000587
wdenk3b759bd2002-03-31 16:14:24 +0000588#endif /* _PPC_MMU_H_ */