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u-boot/arch/powerpc/include/asm/mmu.h
Alexander Graf f29f804a93 PPC: 85xx: Generalize DDR TLB mapping function 
The DDR mapping function really is just a generic virtual -> physical
mapping function. Generalize it so it can support any virtual starting
offset and IO maps just the same.

Signed-off-by: Alexander Graf <agraf@suse.de>
Acked-by: Scott Wood <scottwood@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
2014-04-22 17:58:45 -07:00

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/*
* PowerPC memory management structures
*/
#ifndef _PPC_MMU_H_
#define _PPC_MMU_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 */
#ifdef CONFIG_ADDR_MAP
extern void init_addr_map(void);
#endif
typedef enum {
IBAT0 = 0, IBAT1, IBAT2, IBAT3,
DBAT0, DBAT1, DBAT2, DBAT3,
#ifdef CONFIG_HIGH_BATS
IBAT4, IBAT5, IBAT6, IBAT7,
DBAT4, DBAT5, DBAT6, DBAT7
#endif
} 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);
extern void print_bats(void);
#endif /* __ASSEMBLY__ */
#define BATU_VS 0x00000002
#define BATU_VP 0x00000001
#define BATU_INVALID 0x00000000
#define BATL_WRITETHROUGH 0x00000040
#define BATL_CACHEINHIBIT 0x00000020
#define BATL_MEMCOHERENCE 0x00000010
#define BATL_GUARDEDSTORAGE 0x00000008
#define BATL_NO_ACCESS 0x00000000
#define BATL_PP_MSK 0x00000003
#define BATL_PP_00 0x00000000 /* No access */
#define BATL_PP_01 0x00000001 /* Read-only */
#define BATL_PP_10 0x00000002 /* Read-write */
#define BATL_PP_11 0x00000003
#define BATL_PP_NO_ACCESS BATL_PP_00
#define BATL_PP_RO BATL_PP_01
#define BATL_PP_RW BATL_PP_10
/* BAT Block size values */
#define BATU_BL_128K 0x00000000
#define BATU_BL_256K 0x00000004
#define BATU_BL_512K 0x0000000c
#define BATU_BL_1M 0x0000001c
#define BATU_BL_2M 0x0000003c
#define BATU_BL_4M 0x0000007c
#define BATU_BL_8M 0x000000fc
#define BATU_BL_16M 0x000001fc
#define BATU_BL_32M 0x000003fc
#define BATU_BL_64M 0x000007fc
#define BATU_BL_128M 0x00000ffc
#define BATU_BL_256M 0x00001ffc
/* Block lengths for processors that support extended block length */
#ifdef HID0_XBSEN
#define BATU_BL_512M 0x00003ffc
#define BATU_BL_1G 0x00007ffc
#define BATU_BL_2G 0x0000fffc
#define BATU_BL_4G 0x0001fffc
#define BATU_BL_MAX BATU_BL_4G
#else
#define BATU_BL_MAX BATU_BL_256M
#endif
/* BAT Access Protection */
#define BPP_XX 0x00 /* No access */
#define BPP_RX 0x01 /* Read only */
#define BPP_RW 0x02 /* Read/write */
/* Macros to get values from BATs, once data is in the BAT register format */
#define BATU_VALID(x) (x & 0x3)
#define BATU_VADDR(x) (x & 0xfffe0000)
#define BATL_PADDR(x) ((phys_addr_t)((x & 0xfffe0000) \
| ((x & 0x0e00ULL) << 24) \
| ((x & 0x04ULL) << 30)))
#define BATU_SIZE(x) (1ULL << (fls((x & BATU_BL_MAX) >> 2) + 17))
/* bytes into BATU_BL */
#define TO_BATU_BL(x) \
(u32)((((1ull << __ilog2_u64((u64)x)) / (128 * 1024)) - 1) * 4)
/* 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_MSK 0x30000000
#define MAS0_TLBSEL(x) (((x) << 28) & MAS0_TLBSEL_MSK)
#define MAS0_ESEL_MSK 0x0FFF0000
#define MAS0_ESEL(x) (((x) << 16) & MAS0_ESEL_MSK)
#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) << 7) & 0x00000F80)
#define TSIZE_TO_BYTES(x) (1ULL << ((x) + 10))
#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 FSL_BOOKE_MAS7(rpn) \
(((u64)(rpn)) >> 32)
#define BOOKE_PAGESZ_1K 0
#define BOOKE_PAGESZ_2K 1
#define BOOKE_PAGESZ_4K 2
#define BOOKE_PAGESZ_8K 3
#define BOOKE_PAGESZ_16K 4
#define BOOKE_PAGESZ_32K 5
#define BOOKE_PAGESZ_64K 6
#define BOOKE_PAGESZ_128K 7
#define BOOKE_PAGESZ_256K 8
#define BOOKE_PAGESZ_512K 9
#define BOOKE_PAGESZ_1M 10
#define BOOKE_PAGESZ_2M 11
#define BOOKE_PAGESZ_4M 12
#define BOOKE_PAGESZ_8M 13
#define BOOKE_PAGESZ_16M 14
#define BOOKE_PAGESZ_32M 15
#define BOOKE_PAGESZ_64M 16
#define BOOKE_PAGESZ_128M 17
#define BOOKE_PAGESZ_256M 18
#define BOOKE_PAGESZ_512M 19
#define BOOKE_PAGESZ_1G 20
#define BOOKE_PAGESZ_2G 21
#define BOOKE_PAGESZ_4G 22
#define BOOKE_PAGESZ_8G 23
#define BOOKE_PAGESZ_16GB 24
#define BOOKE_PAGESZ_32GB 25
#define BOOKE_PAGESZ_64GB 26
#define BOOKE_PAGESZ_128GB 27
#define BOOKE_PAGESZ_256GB 28
#define BOOKE_PAGESZ_512GB 29
#define BOOKE_PAGESZ_1TB 30
#define BOOKE_PAGESZ_2TB 31
#define TLBIVAX_ALL 4
#define TLBIVAX_TLB0 0
#define TLBIVAX_TLB1 8
#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);
extern int find_tlb_idx(void *addr, u8 tlbsel);
extern void init_used_tlb_cams(void);
extern int find_free_tlbcam(void);
extern void print_tlbcam(void);
extern unsigned int setup_ddr_tlbs(unsigned int memsize_in_meg);
extern void clear_ddr_tlbs(unsigned int memsize_in_meg);
enum tlb_map_type {
TLB_MAP_RAM,
TLB_MAP_IO,
};
extern uint64_t tlb_map_range(ulong v_addr, phys_addr_t p_addr, uint64_t size,
enum tlb_map_type map_type);
extern void write_tlb(u32 _mas0, u32 _mas1, u32 _mas2, u32 _mas3, u32 _mas7);
#define SET_TLB_ENTRY(_tlb, _epn, _rpn, _perms, _wimge, _ts, _esel, _sz, _iprot) \
{ .mas0 = FSL_BOOKE_MAS0(_tlb, _esel, 0), \
.mas1 = FSL_BOOKE_MAS1(1, _iprot, 0, _ts, _sz), \
.mas2 = FSL_BOOKE_MAS2(_epn, _wimge), \
.mas3 = FSL_BOOKE_MAS3(_rpn, 0, _perms), \
.mas7 = FSL_BOOKE_MAS7(_rpn), }
struct fsl_e_tlb_entry {
u32 mas0;
u32 mas1;
u32 mas2;
u32 mas3;
u32 mas7;
};
extern struct fsl_e_tlb_entry tlb_table[];
extern int num_tlb_entries;
#endif
#endif
#ifdef CONFIG_E300
#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)
#endif
#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 */
/* Some additional macros for combinations often used */
#define SA_IG (SA_I | SA_G)
/* Access control */
#define AC_X 0x00000024 /* Execute */
#define AC_W 0x00000012 /* Write */
#define AC_R 0x00000009 /* Read */
/* Some additional macros for combinations often used */
#define AC_RW (AC_R | AC_W)
#define AC_RWX (AC_R | AC_W | AC_X)
/* 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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