| /* | |
| * PowerPC memory management structures | |
| */ | |
| #ifndef _PPC_MMU_H_ | |
| #define _PPC_MMU_H_ | |
| #ifndef __ASSEMBLY__ | |
| /* Hardware Page Table Entry */ | |
| #include <linux/bitops.h> | |
| 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, | |
| #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) & MAS2_EPN) | (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 | |
| #endif /* _PPC_MMU_H_ */ |