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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 | /* * include/asm-ppc/cputable.h * * Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org) * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ #ifndef __ASM_PPC_CPUTABLE_H #define __ASM_PPC_CPUTABLE_H /* Exposed to userland CPU features */ #define PPC_FEATURE_32 0x80000000 #define PPC_FEATURE_64 0x40000000 #define PPC_FEATURE_601_INSTR 0x20000000 #define PPC_FEATURE_HAS_ALTIVEC 0x10000000 #define PPC_FEATURE_HAS_FPU 0x08000000 #define PPC_FEATURE_HAS_MMU 0x04000000 #define PPC_FEATURE_HAS_4xxMAC 0x02000000 #define PPC_FEATURE_UNIFIED_CACHE 0x01000000 #define PPC_FEATURE_HAS_SPE 0x00800000 #define PPC_FEATURE_HAS_EFP_SINGLE 0x00400000 #define PPC_FEATURE_HAS_EFP_DOUBLE 0x00200000 #ifdef __KERNEL__ #ifndef __ASSEMBLY__ /* This structure can grow, it's real size is used by head.S code * via the mkdefs mecanism. */ struct cpu_spec; typedef void (*cpu_setup_t)(unsigned long offset, int cpu_nr, struct cpu_spec* spec); struct cpu_spec { /* CPU is matched via (PVR & pvr_mask) == pvr_value */ unsigned int pvr_mask; unsigned int pvr_value; char *cpu_name; unsigned int cpu_features; /* Kernel features */ unsigned int cpu_user_features; /* Userland features */ /* cache line sizes */ unsigned int icache_bsize; unsigned int dcache_bsize; /* number of performance monitor counters */ unsigned int num_pmcs; /* this is called to initialize various CPU bits like L1 cache, * BHT, SPD, etc... from head.S before branching to identify_machine */ cpu_setup_t cpu_setup; }; extern struct cpu_spec cpu_specs[]; extern struct cpu_spec *cur_cpu_spec[]; #endif /* __ASSEMBLY__ */ /* CPU kernel features */ #define CPU_FTR_SPLIT_ID_CACHE 0x00000001 #define CPU_FTR_L2CR 0x00000002 #define CPU_FTR_SPEC7450 0x00000004 #define CPU_FTR_ALTIVEC 0x00000008 #define CPU_FTR_TAU 0x00000010 #define CPU_FTR_CAN_DOZE 0x00000020 #define CPU_FTR_USE_TB 0x00000040 #define CPU_FTR_604_PERF_MON 0x00000080 #define CPU_FTR_601 0x00000100 #define CPU_FTR_HPTE_TABLE 0x00000200 #define CPU_FTR_CAN_NAP 0x00000400 #define CPU_FTR_L3CR 0x00000800 #define CPU_FTR_L3_DISABLE_NAP 0x00001000 #define CPU_FTR_NAP_DISABLE_L2_PR 0x00002000 #define CPU_FTR_DUAL_PLL_750FX 0x00004000 #define CPU_FTR_NO_DPM 0x00008000 #define CPU_FTR_HAS_HIGH_BATS 0x00010000 #define CPU_FTR_NEED_COHERENT 0x00020000 #define CPU_FTR_NO_BTIC 0x00040000 #ifdef __ASSEMBLY__ #define BEGIN_FTR_SECTION 98: #define END_FTR_SECTION(msk, val) \ 99: \ .section __ftr_fixup,"a"; \ .align 2; \ .long msk; \ .long val; \ .long 98b; \ .long 99b; \ .previous #else #define BEGIN_FTR_SECTION "98:\n" #define END_FTR_SECTION(msk, val) \ "99:\n" \ " .section __ftr_fixup,\"a\";\n" \ " .align 2;\n" \ " .long "#msk";\n" \ " .long "#val";\n" \ " .long 98b;\n" \ " .long 99b;\n" \ " .previous\n" #endif /* __ASSEMBLY__ */ #define END_FTR_SECTION_IFSET(msk) END_FTR_SECTION((msk), (msk)) #define END_FTR_SECTION_IFCLR(msk) END_FTR_SECTION((msk), 0) #endif /* __ASM_PPC_CPUTABLE_H */ #endif /* __KERNEL__ */ |