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      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