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u-boot/include/asm-ppc/mmu.h
Stefan Roese 84a999b6cd ppc4xx: program_tlb now uses 64bit physical addess 
This patch changes the physical addess parameter from 32bit to 64bit.
This is needed for 36bit 4xx platforms to access areas located
beyond the 4GB border, like SoC peripherals (EBC etc.).

Signed-off-by: Stefan Roese <sr@denx.de>
2008-03-15 07:28:03 +01:00

706 lines
24 KiB
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/*
* PowerPC memory management structures
*/
#ifndef _PPC_MMU_H_
#define _PPC_MMU_H_
#include <linux/config.h>
#ifndef __ASSEMBLY__
/* Hardware Page Table Entry */
typedef struct _PTE {
#ifdef CONFIG_PPC64BRIDGE
unsigned long long vsid:52;
unsigned long api:5;
unsigned long :5;
unsigned long h:1;
unsigned long v:1;
unsigned long long rpn:52;
#else /* CONFIG_PPC64BRIDGE */
unsigned long v:1; /* Entry is valid */
unsigned long vsid:24; /* Virtual segment identifier */
unsigned long h:1; /* Hash algorithm indicator */
unsigned long api:6; /* Abbreviated page index */
unsigned long rpn:20; /* Real (physical) page number */
#endif /* CONFIG_PPC64BRIDGE */
unsigned long :3; /* Unused */
unsigned long r:1; /* Referenced */
unsigned long c:1; /* Changed */
unsigned long w:1; /* Write-thru cache mode */
unsigned long i:1; /* Cache inhibited */
unsigned long m:1; /* Memory coherence */
unsigned long g:1; /* Guarded */
unsigned long :1; /* Unused */
unsigned long pp:2; /* Page protection */
} PTE;
/* Values for PP (assumes Ks=0, Kp=1) */
#define PP_RWXX 0 /* Supervisor read/write, User none */
#define PP_RWRX 1 /* Supervisor read/write, User read */
#define PP_RWRW 2 /* Supervisor read/write, User read/write */
#define PP_RXRX 3 /* Supervisor read, User read */
/* Segment Register */
typedef struct _SEGREG {
unsigned long t:1; /* Normal or I/O type */
unsigned long ks:1; /* Supervisor 'key' (normally 0) */
unsigned long kp:1; /* User 'key' (normally 1) */
unsigned long n:1; /* No-execute */
unsigned long :4; /* Unused */
unsigned long vsid:24; /* Virtual Segment Identifier */
} SEGREG;
/* Block Address Translation (BAT) Registers */
typedef struct _P601_BATU { /* Upper part of BAT for 601 processor */
unsigned long bepi:15; /* Effective page index (virtual address) */
unsigned long :8; /* unused */
unsigned long w:1;
unsigned long i:1; /* Cache inhibit */
unsigned long m:1; /* Memory coherence */
unsigned long ks:1; /* Supervisor key (normally 0) */
unsigned long kp:1; /* User key (normally 1) */
unsigned long pp:2; /* Page access protections */
} P601_BATU;
typedef struct _BATU { /* Upper part of BAT (all except 601) */
#ifdef CONFIG_PPC64BRIDGE
unsigned long long bepi:47;
#else /* CONFIG_PPC64BRIDGE */
unsigned long bepi:15; /* Effective page index (virtual address) */
#endif /* CONFIG_PPC64BRIDGE */
unsigned long :4; /* Unused */
unsigned long bl:11; /* Block size mask */
unsigned long vs:1; /* Supervisor valid */
unsigned long vp:1; /* User valid */
} BATU;
typedef struct _P601_BATL { /* Lower part of BAT for 601 processor */
unsigned long brpn:15; /* Real page index (physical address) */
unsigned long :10; /* Unused */
unsigned long v:1; /* Valid bit */
unsigned long bl:6; /* Block size mask */
} P601_BATL;
typedef struct _BATL { /* Lower part of BAT (all except 601) */
#ifdef CONFIG_PPC64BRIDGE
unsigned long long brpn:47;
#else /* CONFIG_PPC64BRIDGE */
unsigned long brpn:15; /* Real page index (physical address) */
#endif /* CONFIG_PPC64BRIDGE */
unsigned long :10; /* Unused */
unsigned long w:1; /* Write-thru cache */
unsigned long i:1; /* Cache inhibit */
unsigned long m:1; /* Memory coherence */
unsigned long g:1; /* Guarded (MBZ in IBAT) */
unsigned long :1; /* Unused */
unsigned long pp:2; /* Page access protections */
} BATL;
typedef struct _BAT {
BATU batu; /* Upper register */
BATL batl; /* Lower register */
} BAT;
typedef struct _P601_BAT {
P601_BATU batu; /* Upper register */
P601_BATL batl; /* Lower register */
} P601_BAT;
/*
* Simulated two-level MMU. This structure is used by the kernel
* to keep track of MMU mappings and is used to update/maintain
* the hardware HASH table which is really a cache of mappings.
*
* The simulated structures mimic the hardware available on other
* platforms, notably the 80x86 and 680x0.
*/
typedef struct _pte {
unsigned long page_num:20;
unsigned long flags:12; /* Page flags (some unused bits) */
} pte;
#define PD_SHIFT (10+12) /* Page directory */
#define PD_MASK 0x02FF
#define PT_SHIFT (12) /* Page Table */
#define PT_MASK 0x02FF
#define PG_SHIFT (12) /* Page Entry */
/* MMU context */
typedef struct _MMU_context {
SEGREG segs[16]; /* Segment registers */
pte **pmap; /* Two-level page-map structure */
} MMU_context;
extern void _tlbie(unsigned long va); /* invalidate a TLB entry */
extern void _tlbia(void); /* invalidate all TLB entries */
typedef enum {
IBAT0 = 0, IBAT1, IBAT2, IBAT3,
DBAT0, DBAT1, DBAT2, DBAT3
} ppc_bat_t;
extern int read_bat(ppc_bat_t bat, unsigned long *upper, unsigned long *lower);
extern int write_bat(ppc_bat_t bat, unsigned long upper, unsigned long lower);
#endif /* __ASSEMBLY__ */
/* Block size masks */
#define BL_128K 0x000
#define BL_256K 0x001
#define BL_512K 0x003
#define BL_1M 0x007
#define BL_2M 0x00F
#define BL_4M 0x01F
#define BL_8M 0x03F
#define BL_16M 0x07F
#define BL_32M 0x0FF
#define BL_64M 0x1FF
#define BL_128M 0x3FF
#define BL_256M 0x7FF
/* BAT Access Protection */
#define BPP_XX 0x00 /* No access */
#define BPP_RX 0x01 /* Read only */
#define BPP_RW 0x02 /* Read/write */
/* Used to set up SDR1 register */
#define HASH_TABLE_SIZE_64K 0x00010000
#define HASH_TABLE_SIZE_128K 0x00020000
#define HASH_TABLE_SIZE_256K 0x00040000
#define HASH_TABLE_SIZE_512K 0x00080000
#define HASH_TABLE_SIZE_1M 0x00100000
#define HASH_TABLE_SIZE_2M 0x00200000
#define HASH_TABLE_SIZE_4M 0x00400000
#define HASH_TABLE_MASK_64K 0x000
#define HASH_TABLE_MASK_128K 0x001
#define HASH_TABLE_MASK_256K 0x003
#define HASH_TABLE_MASK_512K 0x007
#define HASH_TABLE_MASK_1M 0x00F
#define HASH_TABLE_MASK_2M 0x01F
#define HASH_TABLE_MASK_4M 0x03F
/* Control/status registers for the MPC8xx.
* A write operation to these registers causes serialized access.
* During software tablewalk, the registers used perform mask/shift-add
* operations when written/read. A TLB entry is created when the Mx_RPN
* is written, and the contents of several registers are used to
* create the entry.
*/
#define MI_CTR 784 /* Instruction TLB control register */
#define MI_GPM 0x80000000 /* Set domain manager mode */
#define MI_PPM 0x40000000 /* Set subpage protection */
#define MI_CIDEF 0x20000000 /* Set cache inhibit when MMU dis */
#define MI_RSV4I 0x08000000 /* Reserve 4 TLB entries */
#define MI_PPCS 0x02000000 /* Use MI_RPN prob/priv state */
#define MI_IDXMASK 0x00001f00 /* TLB index to be loaded */
#define MI_RESETVAL 0x00000000 /* Value of register at reset */
/* These are the Ks and Kp from the PowerPC books. For proper operation,
* Ks = 0, Kp = 1.
*/
#define MI_AP 786
#define MI_Ks 0x80000000 /* Should not be set */
#define MI_Kp 0x40000000 /* Should always be set */
/* The effective page number register. When read, contains the information
* about the last instruction TLB miss. When MI_RPN is written, bits in
* this register are used to create the TLB entry.
*/
#define MI_EPN 787
#define MI_EPNMASK 0xfffff000 /* Effective page number for entry */
#define MI_EVALID 0x00000200 /* Entry is valid */
#define MI_ASIDMASK 0x0000000f /* ASID match value */
/* Reset value is undefined */
/* A "level 1" or "segment" or whatever you want to call it register.
* For the instruction TLB, it contains bits that get loaded into the
* TLB entry when the MI_RPN is written.
*/
#define MI_TWC 789
#define MI_APG 0x000001e0 /* Access protection group (0) */
#define MI_GUARDED 0x00000010 /* Guarded storage */
#define MI_PSMASK 0x0000000c /* Mask of page size bits */
#define MI_PS8MEG 0x0000000c /* 8M page size */
#define MI_PS512K 0x00000004 /* 512K page size */
#define MI_PS4K_16K 0x00000000 /* 4K or 16K page size */
#define MI_SVALID 0x00000001 /* Segment entry is valid */
/* Reset value is undefined */
/* Real page number. Defined by the pte. Writing this register
* causes a TLB entry to be created for the instruction TLB, using
* additional information from the MI_EPN, and MI_TWC registers.
*/
#define MI_RPN 790
/* Define an RPN value for mapping kernel memory to large virtual
* pages for boot initialization. This has real page number of 0,
* large page size, shared page, cache enabled, and valid.
* Also mark all subpages valid and write access.
*/
#define MI_BOOTINIT 0x000001fd
#define MD_CTR 792 /* Data TLB control register */
#define MD_GPM 0x80000000 /* Set domain manager mode */
#define MD_PPM 0x40000000 /* Set subpage protection */
#define MD_CIDEF 0x20000000 /* Set cache inhibit when MMU dis */
#define MD_WTDEF 0x10000000 /* Set writethrough when MMU dis */
#define MD_RSV4I 0x08000000 /* Reserve 4 TLB entries */
#define MD_TWAM 0x04000000 /* Use 4K page hardware assist */
#define MD_PPCS 0x02000000 /* Use MI_RPN prob/priv state */
#define MD_IDXMASK 0x00001f00 /* TLB index to be loaded */
#define MD_RESETVAL 0x04000000 /* Value of register at reset */
#define M_CASID 793 /* Address space ID (context) to match */
#define MC_ASIDMASK 0x0000000f /* Bits used for ASID value */
/* These are the Ks and Kp from the PowerPC books. For proper operation,
* Ks = 0, Kp = 1.
*/
#define MD_AP 794
#define MD_Ks 0x80000000 /* Should not be set */
#define MD_Kp 0x40000000 /* Should always be set */
/* The effective page number register. When read, contains the information
* about the last instruction TLB miss. When MD_RPN is written, bits in
* this register are used to create the TLB entry.
*/
#define MD_EPN 795
#define MD_EPNMASK 0xfffff000 /* Effective page number for entry */
#define MD_EVALID 0x00000200 /* Entry is valid */
#define MD_ASIDMASK 0x0000000f /* ASID match value */
/* Reset value is undefined */
/* The pointer to the base address of the first level page table.
* During a software tablewalk, reading this register provides the address
* of the entry associated with MD_EPN.
*/
#define M_TWB 796
#define M_L1TB 0xfffff000 /* Level 1 table base address */
#define M_L1INDX 0x00000ffc /* Level 1 index, when read */
/* Reset value is undefined */
/* A "level 1" or "segment" or whatever you want to call it register.
* For the data TLB, it contains bits that get loaded into the TLB entry
* when the MD_RPN is written. It is also provides the hardware assist
* for finding the PTE address during software tablewalk.
*/
#define MD_TWC 797
#define MD_L2TB 0xfffff000 /* Level 2 table base address */
#define MD_L2INDX 0xfffffe00 /* Level 2 index (*pte), when read */
#define MD_APG 0x000001e0 /* Access protection group (0) */
#define MD_GUARDED 0x00000010 /* Guarded storage */
#define MD_PSMASK 0x0000000c /* Mask of page size bits */
#define MD_PS8MEG 0x0000000c /* 8M page size */
#define MD_PS512K 0x00000004 /* 512K page size */
#define MD_PS4K_16K 0x00000000 /* 4K or 16K page size */
#define MD_WT 0x00000002 /* Use writethrough page attribute */
#define MD_SVALID 0x00000001 /* Segment entry is valid */
/* Reset value is undefined */
/* Real page number. Defined by the pte. Writing this register
* causes a TLB entry to be created for the data TLB, using
* additional information from the MD_EPN, and MD_TWC registers.
*/
#define MD_RPN 798
/* This is a temporary storage register that could be used to save
* a processor working register during a tablewalk.
*/
#define M_TW 799
/*
* At present, all PowerPC 400-class processors share a similar TLB
* architecture. The instruction and data sides share a unified,
* 64-entry, fully-associative TLB which is maintained totally under
* software control. In addition, the instruction side has a
* hardware-managed, 4-entry, fully- associative TLB which serves as a
* first level to the shared TLB. These two TLBs are known as the UTLB
* and ITLB, respectively.
*/
#define PPC4XX_TLB_SIZE 64
/*
* TLB entries are defined by a "high" tag portion and a "low" data
* portion. On all architectures, the data portion is 32-bits.
*
* TLB entries are managed entirely under software control by reading,
* writing, and searchoing using the 4xx-specific tlbre, tlbwr, and tlbsx
* instructions.
*/
/*
* FSL Book-E support
*/
#define MAS0_TLBSEL(x) ((x << 28) & 0x30000000)
#define MAS0_ESEL(x) ((x << 16) & 0x0FFF0000)
#define MAS0_NV(x) ((x) & 0x00000FFF)
#define MAS1_VALID 0x80000000
#define MAS1_IPROT 0x40000000
#define MAS1_TID(x) ((x << 16) & 0x3FFF0000)
#define MAS1_TS 0x00001000
#define MAS1_TSIZE(x) ((x << 8) & 0x00000F00)
#define MAS2_EPN 0xFFFFF000
#define MAS2_X0 0x00000040
#define MAS2_X1 0x00000020
#define MAS2_W 0x00000010
#define MAS2_I 0x00000008
#define MAS2_M 0x00000004
#define MAS2_G 0x00000002
#define MAS2_E 0x00000001
#define MAS3_RPN 0xFFFFF000
#define MAS3_U0 0x00000200
#define MAS3_U1 0x00000100
#define MAS3_U2 0x00000080
#define MAS3_U3 0x00000040
#define MAS3_UX 0x00000020
#define MAS3_SX 0x00000010
#define MAS3_UW 0x00000008
#define MAS3_SW 0x00000004
#define MAS3_UR 0x00000002
#define MAS3_SR 0x00000001
#define MAS4_TLBSELD(x) MAS0_TLBSEL(x)
#define MAS4_TIDDSEL 0x000F0000
#define MAS4_TSIZED(x) MAS1_TSIZE(x)
#define MAS4_X0D 0x00000040
#define MAS4_X1D 0x00000020
#define MAS4_WD 0x00000010
#define MAS4_ID 0x00000008
#define MAS4_MD 0x00000004
#define MAS4_GD 0x00000002
#define MAS4_ED 0x00000001
#define MAS6_SPID0 0x3FFF0000
#define MAS6_SPID1 0x00007FFE
#define MAS6_SAS 0x00000001
#define MAS6_SPID MAS6_SPID0
#define MAS7_RPN 0xFFFFFFFF
#define FSL_BOOKE_MAS0(tlbsel,esel,nv) \
(MAS0_TLBSEL(tlbsel) | MAS0_ESEL(esel) | MAS0_NV(nv))
#define FSL_BOOKE_MAS1(v,iprot,tid,ts,tsize) \
((((v) << 31) & MAS1_VALID) |\
(((iprot) << 30) & MAS1_IPROT) |\
(MAS1_TID(tid)) |\
(((ts) << 12) & MAS1_TS) |\
(MAS1_TSIZE(tsize)))
#define FSL_BOOKE_MAS2(epn, wimge) \
(((epn) & MAS3_RPN) | (wimge))
#define FSL_BOOKE_MAS3(rpn, user, perms) \
(((rpn) & MAS3_RPN) | (user) | (perms))
#define BOOKE_PAGESZ_1K 0
#define BOOKE_PAGESZ_4K 1
#define BOOKE_PAGESZ_16K 2
#define BOOKE_PAGESZ_64K 3
#define BOOKE_PAGESZ_256K 4
#define BOOKE_PAGESZ_1M 5
#define BOOKE_PAGESZ_4M 6
#define BOOKE_PAGESZ_16M 7
#define BOOKE_PAGESZ_64M 8
#define BOOKE_PAGESZ_256M 9
#define BOOKE_PAGESZ_1G 10
#define BOOKE_PAGESZ_4G 11
#define BOOKE_PAGESZ_16GB 12
#define BOOKE_PAGESZ_64GB 13
#define BOOKE_PAGESZ_256GB 14
#define BOOKE_PAGESZ_1TB 15
#ifdef CONFIG_E500
#ifndef __ASSEMBLY__
extern void set_tlb(u8 tlb, u32 epn, u64 rpn,
u8 perms, u8 wimge,
u8 ts, u8 esel, u8 tsize, u8 iprot);
extern void disable_tlb(u8 esel);
extern void invalidate_tlb(u8 tlb);
extern void init_tlbs(void);
#define SET_TLB_ENTRY(_tlb, _epn, _rpn, _perms, _wimge, _ts, _esel, _sz, _iprot) \
{ .tlb = _tlb, .epn = _epn, .rpn = _rpn, .perms = _perms, \
.wimge = _wimge, .ts = _ts, .esel = _esel, .tsize = _sz, .iprot = _iprot }
struct fsl_e_tlb_entry {
u8 tlb;
u32 epn;
u64 rpn;
u8 perms;
u8 wimge;
u8 ts;
u8 esel;
u8 tsize;
u8 iprot;
};
extern struct fsl_e_tlb_entry tlb_table[];
extern int num_tlb_entries;
#endif
#endif
#if defined(CONFIG_MPC86xx)
#define LAWBAR_BASE_ADDR 0x00FFFFFF
#define LAWAR_TRGT_IF 0x01F00000
#else
#define LAWBAR_BASE_ADDR 0x000FFFFF
#define LAWAR_TRGT_IF 0x00F00000
#endif
#define LAWAR_EN 0x80000000
#define LAWAR_SIZE 0x0000003F
#define LAWAR_TRGT_IF_PCI 0x00000000
#define LAWAR_TRGT_IF_PCI1 0x00000000
#define LAWAR_TRGT_IF_PCIX 0x00000000
#define LAWAR_TRGT_IF_PCI2 0x00100000
#define LAWAR_TRGT_IF_PCIE1 0x00200000
#define LAWAR_TRGT_IF_PCIE2 0x00100000
#define LAWAR_TRGT_IF_PCIE3 0x00300000
#define LAWAR_TRGT_IF_LBC 0x00400000
#define LAWAR_TRGT_IF_CCSR 0x00800000
#define LAWAR_TRGT_IF_DDR_INTERLEAVED 0x00B00000
#define LAWAR_TRGT_IF_RIO 0x00c00000
#define LAWAR_TRGT_IF_DDR 0x00f00000
#define LAWAR_TRGT_IF_DDR1 0x00f00000
#define LAWAR_TRGT_IF_DDR2 0x01600000
#define LAWAR_SIZE_BASE 0xa
#define LAWAR_SIZE_4K (LAWAR_SIZE_BASE+1)
#define LAWAR_SIZE_8K (LAWAR_SIZE_BASE+2)
#define LAWAR_SIZE_16K (LAWAR_SIZE_BASE+3)
#define LAWAR_SIZE_32K (LAWAR_SIZE_BASE+4)
#define LAWAR_SIZE_64K (LAWAR_SIZE_BASE+5)
#define LAWAR_SIZE_128K (LAWAR_SIZE_BASE+6)
#define LAWAR_SIZE_256K (LAWAR_SIZE_BASE+7)
#define LAWAR_SIZE_512K (LAWAR_SIZE_BASE+8)
#define LAWAR_SIZE_1M (LAWAR_SIZE_BASE+9)
#define LAWAR_SIZE_2M (LAWAR_SIZE_BASE+10)
#define LAWAR_SIZE_4M (LAWAR_SIZE_BASE+11)
#define LAWAR_SIZE_8M (LAWAR_SIZE_BASE+12)
#define LAWAR_SIZE_16M (LAWAR_SIZE_BASE+13)
#define LAWAR_SIZE_32M (LAWAR_SIZE_BASE+14)
#define LAWAR_SIZE_64M (LAWAR_SIZE_BASE+15)
#define LAWAR_SIZE_128M (LAWAR_SIZE_BASE+16)
#define LAWAR_SIZE_256M (LAWAR_SIZE_BASE+17)
#define LAWAR_SIZE_512M (LAWAR_SIZE_BASE+18)
#define LAWAR_SIZE_1G (LAWAR_SIZE_BASE+19)
#define LAWAR_SIZE_2G (LAWAR_SIZE_BASE+20)
#define LAWAR_SIZE_4G (LAWAR_SIZE_BASE+21)
#define LAWAR_SIZE_8G (LAWAR_SIZE_BASE+22)
#define LAWAR_SIZE_16G (LAWAR_SIZE_BASE+23)
#define LAWAR_SIZE_32G (LAWAR_SIZE_BASE+24)
#ifdef CONFIG_440
/* General */
#define TLB_VALID 0x00000200
/* Supported page sizes */
#define SZ_1K 0x00000000
#define SZ_4K 0x00000010
#define SZ_16K 0x00000020
#define SZ_64K 0x00000030
#define SZ_256K 0x00000040
#define SZ_1M 0x00000050
#define SZ_16M 0x00000070
#define SZ_256M 0x00000090
/* Storage attributes */
#define SA_W 0x00000800 /* Write-through */
#define SA_I 0x00000400 /* Caching inhibited */
#define SA_M 0x00000200 /* Memory coherence */
#define SA_G 0x00000100 /* Guarded */
#define SA_E 0x00000080 /* Endian */
/* Access control */
#define AC_X 0x00000024 /* Execute */
#define AC_W 0x00000012 /* Write */
#define AC_R 0x00000009 /* Read */
/* Some handy macros */
#define EPN(e) ((e) & 0xfffffc00)
#define TLB0(epn,sz) ((EPN((epn)) | (sz) | TLB_VALID ))
#define TLB1(rpn,erpn) (((rpn) & 0xfffffc00) | (erpn))
#define TLB2(a) ((a) & 0x00000fbf)
#define tlbtab_start\
mflr r1 ;\
bl 0f ;
#define tlbtab_end\
.long 0, 0, 0 ;\
0: mflr r0 ;\
mtlr r1 ;\
blr ;
#define tlbentry(epn,sz,rpn,erpn,attr)\
.long TLB0(epn,sz),TLB1(rpn,erpn),TLB2(attr)
/*----------------------------------------------------------------------------+
| TLB specific defines.
+----------------------------------------------------------------------------*/
#define TLB_256MB_ALIGN_MASK 0xFF0000000ULL
#define TLB_16MB_ALIGN_MASK 0xFFF000000ULL
#define TLB_1MB_ALIGN_MASK 0xFFFF00000ULL
#define TLB_256KB_ALIGN_MASK 0xFFFFC0000ULL
#define TLB_64KB_ALIGN_MASK 0xFFFFF0000ULL
#define TLB_16KB_ALIGN_MASK 0xFFFFFC000ULL
#define TLB_4KB_ALIGN_MASK 0xFFFFFF000ULL
#define TLB_1KB_ALIGN_MASK 0xFFFFFFC00ULL
#define TLB_256MB_SIZE 0x10000000
#define TLB_16MB_SIZE 0x01000000
#define TLB_1MB_SIZE 0x00100000
#define TLB_256KB_SIZE 0x00040000
#define TLB_64KB_SIZE 0x00010000
#define TLB_16KB_SIZE 0x00004000
#define TLB_4KB_SIZE 0x00001000
#define TLB_1KB_SIZE 0x00000400
#define TLB_WORD0_EPN_MASK 0xFFFFFC00
#define TLB_WORD0_EPN_ENCODE(n) (((unsigned long)(n))&0xFFFFFC00)
#define TLB_WORD0_EPN_DECODE(n) (((unsigned long)(n))&0xFFFFFC00)
#define TLB_WORD0_V_MASK 0x00000200
#define TLB_WORD0_V_ENABLE 0x00000200
#define TLB_WORD0_V_DISABLE 0x00000000
#define TLB_WORD0_TS_MASK 0x00000100
#define TLB_WORD0_TS_1 0x00000100
#define TLB_WORD0_TS_0 0x00000000
#define TLB_WORD0_SIZE_MASK 0x000000F0
#define TLB_WORD0_SIZE_1KB 0x00000000
#define TLB_WORD0_SIZE_4KB 0x00000010
#define TLB_WORD0_SIZE_16KB 0x00000020
#define TLB_WORD0_SIZE_64KB 0x00000030
#define TLB_WORD0_SIZE_256KB 0x00000040
#define TLB_WORD0_SIZE_1MB 0x00000050
#define TLB_WORD0_SIZE_16MB 0x00000070
#define TLB_WORD0_SIZE_256MB 0x00000090
#define TLB_WORD0_TPAR_MASK 0x0000000F
#define TLB_WORD0_TPAR_ENCODE(n) ((((unsigned long)(n))&0x0F)<<0)
#define TLB_WORD0_TPAR_DECODE(n) ((((unsigned long)(n))>>0)&0x0F)
#define TLB_WORD1_RPN_MASK 0xFFFFFC00
#define TLB_WORD1_RPN_ENCODE(n) (((unsigned long)(n))&0xFFFFFC00)
#define TLB_WORD1_RPN_DECODE(n) (((unsigned long)(n))&0xFFFFFC00)
#define TLB_WORD1_PAR1_MASK 0x00000300
#define TLB_WORD1_PAR1_ENCODE(n) ((((unsigned long)(n))&0x03)<<8)
#define TLB_WORD1_PAR1_DECODE(n) ((((unsigned long)(n))>>8)&0x03)
#define TLB_WORD1_PAR1_0 0x00000000
#define TLB_WORD1_PAR1_1 0x00000100
#define TLB_WORD1_PAR1_2 0x00000200
#define TLB_WORD1_PAR1_3 0x00000300
#define TLB_WORD1_ERPN_MASK 0x0000000F
#define TLB_WORD1_ERPN_ENCODE(n) ((((unsigned long)(n))&0x0F)<<0)
#define TLB_WORD1_ERPN_DECODE(n) ((((unsigned long)(n))>>0)&0x0F)
#define TLB_WORD2_PAR2_MASK 0xC0000000
#define TLB_WORD2_PAR2_ENCODE(n) ((((unsigned long)(n))&0x03)<<30)
#define TLB_WORD2_PAR2_DECODE(n) ((((unsigned long)(n))>>30)&0x03)
#define TLB_WORD2_PAR2_0 0x00000000
#define TLB_WORD2_PAR2_1 0x40000000
#define TLB_WORD2_PAR2_2 0x80000000
#define TLB_WORD2_PAR2_3 0xC0000000
#define TLB_WORD2_U0_MASK 0x00008000
#define TLB_WORD2_U0_ENABLE 0x00008000
#define TLB_WORD2_U0_DISABLE 0x00000000
#define TLB_WORD2_U1_MASK 0x00004000
#define TLB_WORD2_U1_ENABLE 0x00004000
#define TLB_WORD2_U1_DISABLE 0x00000000
#define TLB_WORD2_U2_MASK 0x00002000
#define TLB_WORD2_U2_ENABLE 0x00002000
#define TLB_WORD2_U2_DISABLE 0x00000000
#define TLB_WORD2_U3_MASK 0x00001000
#define TLB_WORD2_U3_ENABLE 0x00001000
#define TLB_WORD2_U3_DISABLE 0x00000000
#define TLB_WORD2_W_MASK 0x00000800
#define TLB_WORD2_W_ENABLE 0x00000800
#define TLB_WORD2_W_DISABLE 0x00000000
#define TLB_WORD2_I_MASK 0x00000400
#define TLB_WORD2_I_ENABLE 0x00000400
#define TLB_WORD2_I_DISABLE 0x00000000
#define TLB_WORD2_M_MASK 0x00000200
#define TLB_WORD2_M_ENABLE 0x00000200
#define TLB_WORD2_M_DISABLE 0x00000000
#define TLB_WORD2_G_MASK 0x00000100
#define TLB_WORD2_G_ENABLE 0x00000100
#define TLB_WORD2_G_DISABLE 0x00000000
#define TLB_WORD2_E_MASK 0x00000080
#define TLB_WORD2_E_ENABLE 0x00000080
#define TLB_WORD2_E_DISABLE 0x00000000
#define TLB_WORD2_UX_MASK 0x00000020
#define TLB_WORD2_UX_ENABLE 0x00000020
#define TLB_WORD2_UX_DISABLE 0x00000000
#define TLB_WORD2_UW_MASK 0x00000010
#define TLB_WORD2_UW_ENABLE 0x00000010
#define TLB_WORD2_UW_DISABLE 0x00000000
#define TLB_WORD2_UR_MASK 0x00000008
#define TLB_WORD2_UR_ENABLE 0x00000008
#define TLB_WORD2_UR_DISABLE 0x00000000
#define TLB_WORD2_SX_MASK 0x00000004
#define TLB_WORD2_SX_ENABLE 0x00000004
#define TLB_WORD2_SX_DISABLE 0x00000000
#define TLB_WORD2_SW_MASK 0x00000002
#define TLB_WORD2_SW_ENABLE 0x00000002
#define TLB_WORD2_SW_DISABLE 0x00000000
#define TLB_WORD2_SR_MASK 0x00000001
#define TLB_WORD2_SR_ENABLE 0x00000001
#define TLB_WORD2_SR_DISABLE 0x00000000
/*----------------------------------------------------------------------------+
| Following instructions are not available in Book E mode of the GNU assembler.
+----------------------------------------------------------------------------*/
#define DCCCI(ra,rb) .long 0x7c000000|\
(ra<<16)|(rb<<11)|(454<<1)
#define ICCCI(ra,rb) .long 0x7c000000|\
(ra<<16)|(rb<<11)|(966<<1)
#define DCREAD(rt,ra,rb) .long 0x7c000000|\
(rt<<21)|(ra<<16)|(rb<<11)|(486<<1)
#define ICREAD(ra,rb) .long 0x7c000000|\
(ra<<16)|(rb<<11)|(998<<1)
#define TLBSX(rt,ra,rb) .long 0x7c000000|\
(rt<<21)|(ra<<16)|(rb<<11)|(914<<1)
#define TLBWE(rs,ra,ws) .long 0x7c000000|\
(rs<<21)|(ra<<16)|(ws<<11)|(978<<1)
#define TLBRE(rt,ra,ws) .long 0x7c000000|\
(rt<<21)|(ra<<16)|(ws<<11)|(946<<1)
#define TLBSXDOT(rt,ra,rb) .long 0x7c000001|\
(rt<<21)|(ra<<16)|(rb<<11)|(914<<1)
#define MSYNC .long 0x7c000000|\
(598<<1)
#define MBAR_INST .long 0x7c000000|\
(854<<1)
#ifndef __ASSEMBLY__
/* Prototypes */
void mttlb1(unsigned long index, unsigned long value);
void mttlb2(unsigned long index, unsigned long value);
void mttlb3(unsigned long index, unsigned long value);
unsigned long mftlb1(unsigned long index);
unsigned long mftlb2(unsigned long index);
unsigned long mftlb3(unsigned long index);
void program_tlb(u64 phys_addr, u32 virt_addr, u32 size, u32 tlb_word2_i_value);
void remove_tlb(u32 vaddr, u32 size);
void change_tlb(u32 vaddr, u32 size, u32 tlb_word2_i_value);
#endif /* __ASSEMBLY__ */
#endif /* CONFIG_440 */
#endif /* _PPC_MMU_H_ */
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