X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=include%2Fasm-ppc%2Fmmu.h;h=050a7b6472789c9ddae318d610bd6bde169b808a;hb=1a9eeb78b825bfade31d7606a2fe3b9eca9e35be;hp=baaf6f79766d4c08df4ac72ade89ecfd32350c54;hpb=7e2a24dca9a3213f0b4941562e4387e20bec3e2d;p=u-boot diff --git a/include/asm-ppc/mmu.h b/include/asm-ppc/mmu.h index baaf6f7976..050a7b6472 100644 --- a/include/asm-ppc/mmu.h +++ b/include/asm-ppc/mmu.h @@ -117,8 +117,8 @@ typedef struct _P601_BAT { */ typedef struct _pte { - unsigned long page_num:20; - unsigned long flags:12; /* Page flags (some unused bits) */ + unsigned long page_num:20; + unsigned long flags:12; /* Page flags (some unused bits) */ } pte; #define PD_SHIFT (10+12) /* Page directory */ @@ -140,11 +140,16 @@ extern void _tlbia(void); /* invalidate all TLB entries */ typedef enum { IBAT0 = 0, IBAT1, IBAT2, IBAT3, - DBAT0, DBAT1, DBAT2, DBAT3 + 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__ */ @@ -335,91 +340,71 @@ extern int write_bat(ppc_bat_t bat, unsigned long upper, unsigned long lower); * instructions. */ -#define TLB_LO 1 -#define TLB_HI 0 - -#define TLB_DATA TLB_LO -#define TLB_TAG TLB_HI - -/* Tag portion */ - -#define TLB_EPN_MASK 0xFFFFFC00 /* Effective Page Number */ -#define TLB_PAGESZ_MASK 0x00000380 -#define TLB_PAGESZ(x) (((x) & 0x7) << 7) -#define PAGESZ_1K 0 -#define PAGESZ_4K 1 -#define PAGESZ_16K 2 -#define PAGESZ_64K 3 -#define PAGESZ_256K 4 -#define PAGESZ_1M 5 -#define PAGESZ_4M 6 -#define PAGESZ_16M 7 -#define TLB_VALID 0x00000040 /* Entry is valid */ - -/* Data portion */ - -#define TLB_RPN_MASK 0xFFFFFC00 /* Real Page Number */ -#define TLB_PERM_MASK 0x00000300 -#define TLB_EX 0x00000200 /* Instruction execution allowed */ -#define TLB_WR 0x00000100 /* Writes permitted */ -#define TLB_ZSEL_MASK 0x000000F0 -#define TLB_ZSEL(x) (((x) & 0xF) << 4) -#define TLB_ATTR_MASK 0x0000000F -#define TLB_W 0x00000008 /* Caching is write-through */ -#define TLB_I 0x00000004 /* Caching is inhibited */ -#define TLB_M 0x00000002 /* Memory is coherent */ -#define TLB_G 0x00000001 /* Memory is guarded from prefetch */ - /* - * e500 support + * FSL Book-E support */ -#define MAS0_TLBSEL 0x10000000 -#define MAS0_ESEL 0x000F0000 -#define MAS0_NV 0x00000001 - -#define MAS1_VALID 0x80000000 -#define MAS1_IPROT 0x40000000 -#define MAS1_TID 0x00FF0000 -#define MAS1_TS 0x00001000 -#define MAS1_TSIZE 0x00000F00 - -#define MAS2_EPN 0xFFFFF000 -#define MAS2_SHAREN 0x00000200 -#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 0x10000000 -#define MAS4_TIDDSEL 0x00030000 -#define MAS4_DSHAREN 0x00001000 -#define MAS4_TSIZED(x) (x << 8) -#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_SPID 0x00FF0000 -#define MAS6_SAS 0x00000001 +#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 @@ -431,22 +416,67 @@ extern int write_bat(ppc_bat_t bat, unsigned long upper, unsigned long lower); #define BOOKE_PAGESZ_16M 7 #define BOOKE_PAGESZ_64M 8 #define BOOKE_PAGESZ_256M 9 -#define BOOKE_PAGESZ_1GB 10 -#define BOOKE_PAGESZ_4GB 11 +#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_EN 0x80000000 #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) @@ -469,8 +499,167 @@ extern int write_bat(ppc_bat_t bat, unsigned long upper, unsigned long lower); #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 -#ifdef CONFIG_440SPE /*----------------------------------------------------------------------------+ | Following instructions are not available in Book E mode of the GNU assembler. +----------------------------------------------------------------------------*/ @@ -501,14 +690,22 @@ extern int write_bat(ppc_bat_t bat, unsigned long upper, unsigned long lower); #define MSYNC .long 0x7c000000|\ (598<<1) -#define MBAR_INST .long 0x7c000000|\ +#define MBAR_INST .long 0x7c000000|\ (854<<1) -/*----------------------------------------------------------------------------+ -| Following instruction is not available in PPC405 mode of the GNU assembler. -+----------------------------------------------------------------------------*/ -#define TLBRE(rt,ra,ws) .long 0x7c000000|\ - (rt<<21)|(ra<<16)|(ws<<11)|(946<<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 +#endif /* CONFIG_440 */ #endif /* _PPC_MMU_H_ */