xref: /openbmc/u-boot/arch/powerpc/include/asm/mmu.h (revision 98f705c9cefdfdba62c069821bbba10273a0a8ed)
1  /*
2   * PowerPC memory management structures
3   */
4  
5  #ifndef _PPC_MMU_H_
6  #define _PPC_MMU_H_
7  
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 {
118  	unsigned long page_num:20;
119  	unsigned long flags:12;		/* Page flags (some unused bits) */
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  
139  #ifdef CONFIG_ADDR_MAP
140  extern void init_addr_map(void);
141  #endif
142  
143  typedef enum {
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
149  #endif
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);
154  extern void print_bats(void);
155  
156  #endif /* __ASSEMBLY__ */
157  
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
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  
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))
215  
216  /* bytes into BATU_BL */
217  #define TO_BATU_BL(x) \
218  	(u32)((((1ull << __ilog2_u64((u64)x)) / (128 * 1024)) - 1) * 4)
219  
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  
388  /*
389   * FSL Book-E support
390   */
391  
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)
397  
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))
404  
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
413  
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
425  
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
436  
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
443  
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))
456  #define FSL_BOOKE_MAS7(rpn) \
457  		(((u64)(rpn)) >> 32)
458  
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
491  
492  #define TLBIVAX_ALL		4
493  #define TLBIVAX_TLB0		0
494  #define TLBIVAX_TLB1		8
495  
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);
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);
508  
509  extern unsigned int setup_ddr_tlbs(unsigned int memsize_in_meg);
510  extern void clear_ddr_tlbs(unsigned int memsize_in_meg);
511  
512  enum tlb_map_type {
513  	TLB_MAP_RAM,
514  	TLB_MAP_IO,
515  };
516  
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);
519  
520  extern void write_tlb(u32 _mas0, u32 _mas1, u32 _mas2, u32 _mas3, u32 _mas7);
521  
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), }
528  
529  struct fsl_e_tlb_entry {
530  	u32	mas0;
531  	u32	mas1;
532  	u32	mas2;
533  	u32	mas3;
534  	u32	mas7;
535  };
536  
537  extern struct fsl_e_tlb_entry tlb_table[];
538  extern int num_tlb_entries;
539  #endif
540  #endif
541  
542  #ifdef CONFIG_E300
543  #define LAWAR_EN		0x80000000
544  #define LAWAR_SIZE		0x0000003F
545  
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
560  
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)
586  #endif
587  
588  #endif /* _PPC_MMU_H_ */
589