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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 | /* * include/asm-ppc64/cputable.h * * Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org) * * Modifications for ppc64: * Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com> * * 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 #include <linux/config.h> #include <asm/page.h> /* for ASM_CONST */ /* Exposed to userland CPU features - Must match ppc32 definitions */ #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 #ifdef __KERNEL__ #ifndef __ASSEMBLY__ /* This structure can grow, it's real size is used by head.S code * via the mkdefs mechanism. */ struct cpu_spec; typedef void (*cpu_setup_t)(unsigned long offset, 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 long cpu_features; /* Kernel features */ unsigned int cpu_user_features; /* Userland features */ /* cache line sizes */ unsigned int icache_bsize; unsigned int dcache_bsize; /* 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; /* This is used to identify firmware features which are available * to the kernel. */ unsigned long firmware_features; }; extern struct cpu_spec cpu_specs[]; extern struct cpu_spec *cur_cpu_spec; static inline unsigned long cpu_has_feature(unsigned long feature) { return cur_cpu_spec->cpu_features & feature; } /* firmware feature bitmask values */ #define FIRMWARE_MAX_FEATURES 63 #define FW_FEATURE_PFT (1UL<<0) #define FW_FEATURE_TCE (1UL<<1) #define FW_FEATURE_SPRG0 (1UL<<2) #define FW_FEATURE_DABR (1UL<<3) #define FW_FEATURE_COPY (1UL<<4) #define FW_FEATURE_ASR (1UL<<5) #define FW_FEATURE_DEBUG (1UL<<6) #define FW_FEATURE_TERM (1UL<<7) #define FW_FEATURE_PERF (1UL<<8) #define FW_FEATURE_DUMP (1UL<<9) #define FW_FEATURE_INTERRUPT (1UL<<10) #define FW_FEATURE_MIGRATE (1UL<<11) #define FW_FEATURE_PERFMON (1UL<<12) #define FW_FEATURE_CRQ (1UL<<13) #define FW_FEATURE_VIO (1UL<<14) #define FW_FEATURE_RDMA (1UL<<15) #define FW_FEATURE_LLAN (1UL<<16) #define FW_FEATURE_BULK (1UL<<17) #define FW_FEATURE_XDABR (1UL<<18) #define FW_FEATURE_MULTITCE (1UL<<19) #define FW_FEATURE_SPLPAR (1UL<<20) typedef struct { unsigned long val; char * name; } firmware_feature_t; extern firmware_feature_t firmware_features_table[]; #endif /* __ASSEMBLY__ */ /* CPU kernel features */ /* Retain the 32b definitions for the time being - use bottom half of word */ #define CPU_FTR_SPLIT_ID_CACHE ASM_CONST(0x0000000000000001) #define CPU_FTR_L2CR ASM_CONST(0x0000000000000002) #define CPU_FTR_SPEC7450 ASM_CONST(0x0000000000000004) #define CPU_FTR_ALTIVEC ASM_CONST(0x0000000000000008) #define CPU_FTR_TAU ASM_CONST(0x0000000000000010) #define CPU_FTR_CAN_DOZE ASM_CONST(0x0000000000000020) #define CPU_FTR_USE_TB ASM_CONST(0x0000000000000040) #define CPU_FTR_604_PERF_MON ASM_CONST(0x0000000000000080) #define CPU_FTR_601 ASM_CONST(0x0000000000000100) #define CPU_FTR_HPTE_TABLE ASM_CONST(0x0000000000000200) #define CPU_FTR_CAN_NAP ASM_CONST(0x0000000000000400) #define CPU_FTR_L3CR ASM_CONST(0x0000000000000800) #define CPU_FTR_L3_DISABLE_NAP ASM_CONST(0x0000000000001000) #define CPU_FTR_NAP_DISABLE_L2_PR ASM_CONST(0x0000000000002000) #define CPU_FTR_DUAL_PLL_750FX ASM_CONST(0x0000000000004000) /* Add the 64b processor unique features in the top half of the word */ #define CPU_FTR_SLB ASM_CONST(0x0000000100000000) #define CPU_FTR_16M_PAGE ASM_CONST(0x0000000200000000) #define CPU_FTR_TLBIEL ASM_CONST(0x0000000400000000) #define CPU_FTR_NOEXECUTE ASM_CONST(0x0000000800000000) #define CPU_FTR_NODSISRALIGN ASM_CONST(0x0000001000000000) #define CPU_FTR_IABR ASM_CONST(0x0000002000000000) #define CPU_FTR_MMCRA ASM_CONST(0x0000004000000000) #define CPU_FTR_PMC8 ASM_CONST(0x0000008000000000) #define CPU_FTR_SMT ASM_CONST(0x0000010000000000) #define CPU_FTR_COHERENT_ICACHE ASM_CONST(0x0000020000000000) #define CPU_FTR_LOCKLESS_TLBIE ASM_CONST(0x0000040000000000) #define CPU_FTR_MMCRA_SIHV ASM_CONST(0x0000080000000000) /* Platform firmware features */ #define FW_FTR_ ASM_CONST(0x0000000000000001) #ifndef __ASSEMBLY__ #define COMMON_USER_PPC64 (PPC_FEATURE_32 | PPC_FEATURE_64 | \ PPC_FEATURE_HAS_FPU | PPC_FEATURE_HAS_MMU) #define CPU_FTR_PPCAS_ARCH_V2_BASE (CPU_FTR_SLB | \ CPU_FTR_TLBIEL | CPU_FTR_NOEXECUTE | \ CPU_FTR_NODSISRALIGN) /* iSeries doesn't support large pages */ #ifdef CONFIG_PPC_ISERIES #define CPU_FTR_PPCAS_ARCH_V2 (CPU_FTR_PPCAS_ARCH_V2_BASE) #else #define CPU_FTR_PPCAS_ARCH_V2 (CPU_FTR_PPCAS_ARCH_V2_BASE | CPU_FTR_16M_PAGE) #endif #define COMMON_PPC64_FW (0) #endif #ifdef __ASSEMBLY__ #define BEGIN_FTR_SECTION 98: #define END_FTR_SECTION(msk, val) \ 99: \ .section __ftr_fixup,"a"; \ .align 3; \ .llong msk; \ .llong val; \ .llong 98b; \ .llong 99b; \ .previous #else #define BEGIN_FTR_SECTION "98:\n" #define END_FTR_SECTION(msk, val) \ "99:\n" \ " .section __ftr_fixup,\"a\";\n" \ " .align 3;\n" \ " .llong "#msk";\n" \ " .llong "#val";\n" \ " .llong 98b;\n" \ " .llong 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__ */ |