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Diffstat (limited to 'include/asm-ppc/mmu.h')
| -rw-r--r-- | include/asm-ppc/mmu.h | 763 |
1 files changed, 0 insertions, 763 deletions
diff --git a/include/asm-ppc/mmu.h b/include/asm-ppc/mmu.h deleted file mode 100644 index ce7f0810051..00000000000 --- a/include/asm-ppc/mmu.h +++ /dev/null @@ -1,763 +0,0 @@ -/* - * 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 */ - -#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 << 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 FSL_BOOKE_MAS7(rpn) \ - (((u64)(rpn)) >> 32) - -#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); -extern int find_tlb_idx(void *addr, u8 tlbsel); -extern void init_used_tlb_cams(void); -extern int find_free_tlbcam(void); - -extern unsigned int setup_ddr_tlbs(unsigned int memsize_in_meg); - -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 */ - -/* 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_ */ |