1 #ifndef __ASM_POWERPC_CPUTABLE_H 2 #define __ASM_POWERPC_CPUTABLE_H 3 4 #define PPC_FEATURE_32 0x80000000 5 #define PPC_FEATURE_64 0x40000000 6 #define PPC_FEATURE_601_INSTR 0x20000000 7 #define PPC_FEATURE_HAS_ALTIVEC 0x10000000 8 #define PPC_FEATURE_HAS_FPU 0x08000000 9 #define PPC_FEATURE_HAS_MMU 0x04000000 10 #define PPC_FEATURE_HAS_4xxMAC 0x02000000 11 #define PPC_FEATURE_UNIFIED_CACHE 0x01000000 12 #define PPC_FEATURE_HAS_SPE 0x00800000 13 #define PPC_FEATURE_HAS_EFP_SINGLE 0x00400000 14 #define PPC_FEATURE_HAS_EFP_DOUBLE 0x00200000 15 #define PPC_FEATURE_NO_TB 0x00100000 16 #define PPC_FEATURE_POWER4 0x00080000 17 #define PPC_FEATURE_POWER5 0x00040000 18 #define PPC_FEATURE_POWER5_PLUS 0x00020000 19 #define PPC_FEATURE_CELL 0x00010000 20 #define PPC_FEATURE_BOOKE 0x00008000 21 #define PPC_FEATURE_SMT 0x00004000 22 #define PPC_FEATURE_ICACHE_SNOOP 0x00002000 23 #define PPC_FEATURE_ARCH_2_05 0x00001000 24 #define PPC_FEATURE_PA6T 0x00000800 25 #define PPC_FEATURE_HAS_DFP 0x00000400 26 #define PPC_FEATURE_POWER6_EXT 0x00000200 27 #define PPC_FEATURE_ARCH_2_06 0x00000100 28 #define PPC_FEATURE_HAS_VSX 0x00000080 29 30 #define PPC_FEATURE_PSERIES_PERFMON_COMPAT \ 31 0x00000040 32 33 #define PPC_FEATURE_TRUE_LE 0x00000002 34 #define PPC_FEATURE_PPC_LE 0x00000001 35 36 #ifdef __KERNEL__ 37 38 #include <asm/asm-compat.h> 39 #include <asm/feature-fixups.h> 40 41 #ifndef __ASSEMBLY__ 42 43 /* This structure can grow, it's real size is used by head.S code 44 * via the mkdefs mechanism. 45 */ 46 struct cpu_spec; 47 48 typedef void (*cpu_setup_t)(unsigned long offset, struct cpu_spec* spec); 49 typedef void (*cpu_restore_t)(void); 50 51 enum powerpc_oprofile_type { 52 PPC_OPROFILE_INVALID = 0, 53 PPC_OPROFILE_RS64 = 1, 54 PPC_OPROFILE_POWER4 = 2, 55 PPC_OPROFILE_G4 = 3, 56 PPC_OPROFILE_FSL_EMB = 4, 57 PPC_OPROFILE_CELL = 5, 58 PPC_OPROFILE_PA6T = 6, 59 }; 60 61 enum powerpc_pmc_type { 62 PPC_PMC_DEFAULT = 0, 63 PPC_PMC_IBM = 1, 64 PPC_PMC_PA6T = 2, 65 PPC_PMC_G4 = 3, 66 }; 67 68 struct pt_regs; 69 70 extern int machine_check_generic(struct pt_regs *regs); 71 extern int machine_check_4xx(struct pt_regs *regs); 72 extern int machine_check_440A(struct pt_regs *regs); 73 extern int machine_check_e500(struct pt_regs *regs); 74 extern int machine_check_e200(struct pt_regs *regs); 75 76 /* NOTE WELL: Update identify_cpu() if fields are added or removed! */ 77 struct cpu_spec { 78 /* CPU is matched via (PVR & pvr_mask) == pvr_value */ 79 unsigned int pvr_mask; 80 unsigned int pvr_value; 81 82 char *cpu_name; 83 unsigned long cpu_features; /* Kernel features */ 84 unsigned int cpu_user_features; /* Userland features */ 85 unsigned int mmu_features; /* MMU features */ 86 87 /* cache line sizes */ 88 unsigned int icache_bsize; 89 unsigned int dcache_bsize; 90 91 /* number of performance monitor counters */ 92 unsigned int num_pmcs; 93 enum powerpc_pmc_type pmc_type; 94 95 /* this is called to initialize various CPU bits like L1 cache, 96 * BHT, SPD, etc... from head.S before branching to identify_machine 97 */ 98 cpu_setup_t cpu_setup; 99 /* Used to restore cpu setup on secondary processors and at resume */ 100 cpu_restore_t cpu_restore; 101 102 /* Used by oprofile userspace to select the right counters */ 103 char *oprofile_cpu_type; 104 105 /* Processor specific oprofile operations */ 106 enum powerpc_oprofile_type oprofile_type; 107 108 /* Bit locations inside the mmcra change */ 109 unsigned long oprofile_mmcra_sihv; 110 unsigned long oprofile_mmcra_sipr; 111 112 /* Bits to clear during an oprofile exception */ 113 unsigned long oprofile_mmcra_clear; 114 115 /* Name of processor class, for the ELF AT_PLATFORM entry */ 116 char *platform; 117 118 /* Processor specific machine check handling. Return negative 119 * if the error is fatal, 1 if it was fully recovered and 0 to 120 * pass up (not CPU originated) */ 121 int (*machine_check)(struct pt_regs *regs); 122 }; 123 124 extern struct cpu_spec *cur_cpu_spec; 125 126 extern unsigned int __start___ftr_fixup, __stop___ftr_fixup; 127 128 extern struct cpu_spec *identify_cpu(unsigned long offset, unsigned int pvr); 129 extern void do_feature_fixups(unsigned long value, void *fixup_start, 130 void *fixup_end); 131 132 extern const char *powerpc_base_platform; 133 134 #endif /* __ASSEMBLY__ */ 135 136 /* CPU kernel features */ 137 138 /* Retain the 32b definitions all use bottom half of word */ 139 #define CPU_FTR_COHERENT_ICACHE ASM_CONST(0x0000000000000001) 140 #define CPU_FTR_L2CR ASM_CONST(0x0000000000000002) 141 #define CPU_FTR_SPEC7450 ASM_CONST(0x0000000000000004) 142 #define CPU_FTR_ALTIVEC ASM_CONST(0x0000000000000008) 143 #define CPU_FTR_TAU ASM_CONST(0x0000000000000010) 144 #define CPU_FTR_CAN_DOZE ASM_CONST(0x0000000000000020) 145 #define CPU_FTR_USE_TB ASM_CONST(0x0000000000000040) 146 #define CPU_FTR_L2CSR ASM_CONST(0x0000000000000080) 147 #define CPU_FTR_601 ASM_CONST(0x0000000000000100) 148 #define CPU_FTR_CAN_NAP ASM_CONST(0x0000000000000400) 149 #define CPU_FTR_L3CR ASM_CONST(0x0000000000000800) 150 #define CPU_FTR_L3_DISABLE_NAP ASM_CONST(0x0000000000001000) 151 #define CPU_FTR_NAP_DISABLE_L2_PR ASM_CONST(0x0000000000002000) 152 #define CPU_FTR_DUAL_PLL_750FX ASM_CONST(0x0000000000004000) 153 #define CPU_FTR_NO_DPM ASM_CONST(0x0000000000008000) 154 #define CPU_FTR_NEED_COHERENT ASM_CONST(0x0000000000020000) 155 #define CPU_FTR_NO_BTIC ASM_CONST(0x0000000000040000) 156 #define CPU_FTR_NODSISRALIGN ASM_CONST(0x0000000000100000) 157 #define CPU_FTR_PPC_LE ASM_CONST(0x0000000000200000) 158 #define CPU_FTR_REAL_LE ASM_CONST(0x0000000000400000) 159 #define CPU_FTR_FPU_UNAVAILABLE ASM_CONST(0x0000000000800000) 160 #define CPU_FTR_UNIFIED_ID_CACHE ASM_CONST(0x0000000001000000) 161 #define CPU_FTR_SPE ASM_CONST(0x0000000002000000) 162 #define CPU_FTR_NEED_PAIRED_STWCX ASM_CONST(0x0000000004000000) 163 #define CPU_FTR_LWSYNC ASM_CONST(0x0000000008000000) 164 #define CPU_FTR_NOEXECUTE ASM_CONST(0x0000000010000000) 165 #define CPU_FTR_INDEXED_DCR ASM_CONST(0x0000000020000000) 166 167 /* 168 * Add the 64-bit processor unique features in the top half of the word; 169 * on 32-bit, make the names available but defined to be 0. 170 */ 171 #ifdef __powerpc64__ 172 #define LONG_ASM_CONST(x) ASM_CONST(x) 173 #else 174 #define LONG_ASM_CONST(x) 0 175 #endif 176 177 #define CPU_FTR_SLB LONG_ASM_CONST(0x0000000100000000) 178 #define CPU_FTR_16M_PAGE LONG_ASM_CONST(0x0000000200000000) 179 #define CPU_FTR_TLBIEL LONG_ASM_CONST(0x0000000400000000) 180 #define CPU_FTR_IABR LONG_ASM_CONST(0x0000002000000000) 181 #define CPU_FTR_MMCRA LONG_ASM_CONST(0x0000004000000000) 182 #define CPU_FTR_CTRL LONG_ASM_CONST(0x0000008000000000) 183 #define CPU_FTR_SMT LONG_ASM_CONST(0x0000010000000000) 184 #define CPU_FTR_LOCKLESS_TLBIE LONG_ASM_CONST(0x0000040000000000) 185 #define CPU_FTR_CI_LARGE_PAGE LONG_ASM_CONST(0x0000100000000000) 186 #define CPU_FTR_PAUSE_ZERO LONG_ASM_CONST(0x0000200000000000) 187 #define CPU_FTR_PURR LONG_ASM_CONST(0x0000400000000000) 188 #define CPU_FTR_CELL_TB_BUG LONG_ASM_CONST(0x0000800000000000) 189 #define CPU_FTR_SPURR LONG_ASM_CONST(0x0001000000000000) 190 #define CPU_FTR_DSCR LONG_ASM_CONST(0x0002000000000000) 191 #define CPU_FTR_1T_SEGMENT LONG_ASM_CONST(0x0004000000000000) 192 #define CPU_FTR_NO_SLBIE_B LONG_ASM_CONST(0x0008000000000000) 193 #define CPU_FTR_VSX LONG_ASM_CONST(0x0010000000000000) 194 #define CPU_FTR_SAO LONG_ASM_CONST(0x0020000000000000) 195 #define CPU_FTR_CP_USE_DCBTZ LONG_ASM_CONST(0x0040000000000000) 196 #define CPU_FTR_UNALIGNED_LD_STD LONG_ASM_CONST(0x0080000000000000) 197 198 #ifndef __ASSEMBLY__ 199 200 #define CPU_FTR_PPCAS_ARCH_V2 (CPU_FTR_SLB | \ 201 CPU_FTR_TLBIEL | CPU_FTR_NOEXECUTE | \ 202 CPU_FTR_NODSISRALIGN | CPU_FTR_16M_PAGE) 203 204 /* We only set the altivec features if the kernel was compiled with altivec 205 * support 206 */ 207 #ifdef CONFIG_ALTIVEC 208 #define CPU_FTR_ALTIVEC_COMP CPU_FTR_ALTIVEC 209 #define PPC_FEATURE_HAS_ALTIVEC_COMP PPC_FEATURE_HAS_ALTIVEC 210 #else 211 #define CPU_FTR_ALTIVEC_COMP 0 212 #define PPC_FEATURE_HAS_ALTIVEC_COMP 0 213 #endif 214 215 /* We only set the VSX features if the kernel was compiled with VSX 216 * support 217 */ 218 #ifdef CONFIG_VSX 219 #define CPU_FTR_VSX_COMP CPU_FTR_VSX 220 #define PPC_FEATURE_HAS_VSX_COMP PPC_FEATURE_HAS_VSX 221 #else 222 #define CPU_FTR_VSX_COMP 0 223 #define PPC_FEATURE_HAS_VSX_COMP 0 224 #endif 225 226 /* We only set the spe features if the kernel was compiled with spe 227 * support 228 */ 229 #ifdef CONFIG_SPE 230 #define CPU_FTR_SPE_COMP CPU_FTR_SPE 231 #define PPC_FEATURE_HAS_SPE_COMP PPC_FEATURE_HAS_SPE 232 #define PPC_FEATURE_HAS_EFP_SINGLE_COMP PPC_FEATURE_HAS_EFP_SINGLE 233 #define PPC_FEATURE_HAS_EFP_DOUBLE_COMP PPC_FEATURE_HAS_EFP_DOUBLE 234 #else 235 #define CPU_FTR_SPE_COMP 0 236 #define PPC_FEATURE_HAS_SPE_COMP 0 237 #define PPC_FEATURE_HAS_EFP_SINGLE_COMP 0 238 #define PPC_FEATURE_HAS_EFP_DOUBLE_COMP 0 239 #endif 240 241 /* We need to mark all pages as being coherent if we're SMP or we have a 242 * 74[45]x and an MPC107 host bridge. Also 83xx and PowerQUICC II 243 * require it for PCI "streaming/prefetch" to work properly. 244 * This is also required by 52xx family. 245 */ 246 #if defined(CONFIG_SMP) || defined(CONFIG_MPC10X_BRIDGE) \ 247 || defined(CONFIG_PPC_83xx) || defined(CONFIG_8260) \ 248 || defined(CONFIG_PPC_MPC52xx) 249 #define CPU_FTR_COMMON CPU_FTR_NEED_COHERENT 250 #else 251 #define CPU_FTR_COMMON 0 252 #endif 253 254 /* The powersave features NAP & DOZE seems to confuse BDI when 255 debugging. So if a BDI is used, disable theses 256 */ 257 #ifndef CONFIG_BDI_SWITCH 258 #define CPU_FTR_MAYBE_CAN_DOZE CPU_FTR_CAN_DOZE 259 #define CPU_FTR_MAYBE_CAN_NAP CPU_FTR_CAN_NAP 260 #else 261 #define CPU_FTR_MAYBE_CAN_DOZE 0 262 #define CPU_FTR_MAYBE_CAN_NAP 0 263 #endif 264 265 #define CLASSIC_PPC (!defined(CONFIG_8xx) && !defined(CONFIG_4xx) && \ 266 !defined(CONFIG_POWER3) && !defined(CONFIG_POWER4) && \ 267 !defined(CONFIG_BOOKE)) 268 269 #define CPU_FTRS_PPC601 (CPU_FTR_COMMON | CPU_FTR_601 | \ 270 CPU_FTR_COHERENT_ICACHE | CPU_FTR_UNIFIED_ID_CACHE) 271 #define CPU_FTRS_603 (CPU_FTR_COMMON | \ 272 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | \ 273 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE) 274 #define CPU_FTRS_604 (CPU_FTR_COMMON | \ 275 CPU_FTR_USE_TB | CPU_FTR_PPC_LE) 276 #define CPU_FTRS_740_NOTAU (CPU_FTR_COMMON | \ 277 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \ 278 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE) 279 #define CPU_FTRS_740 (CPU_FTR_COMMON | \ 280 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \ 281 CPU_FTR_TAU | CPU_FTR_MAYBE_CAN_NAP | \ 282 CPU_FTR_PPC_LE) 283 #define CPU_FTRS_750 (CPU_FTR_COMMON | \ 284 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \ 285 CPU_FTR_TAU | CPU_FTR_MAYBE_CAN_NAP | \ 286 CPU_FTR_PPC_LE) 287 #define CPU_FTRS_750CL (CPU_FTRS_750) 288 #define CPU_FTRS_750FX1 (CPU_FTRS_750 | CPU_FTR_DUAL_PLL_750FX | CPU_FTR_NO_DPM) 289 #define CPU_FTRS_750FX2 (CPU_FTRS_750 | CPU_FTR_NO_DPM) 290 #define CPU_FTRS_750FX (CPU_FTRS_750 | CPU_FTR_DUAL_PLL_750FX) 291 #define CPU_FTRS_750GX (CPU_FTRS_750FX) 292 #define CPU_FTRS_7400_NOTAU (CPU_FTR_COMMON | \ 293 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \ 294 CPU_FTR_ALTIVEC_COMP | \ 295 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE) 296 #define CPU_FTRS_7400 (CPU_FTR_COMMON | \ 297 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \ 298 CPU_FTR_TAU | CPU_FTR_ALTIVEC_COMP | \ 299 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE) 300 #define CPU_FTRS_7450_20 (CPU_FTR_COMMON | \ 301 CPU_FTR_USE_TB | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ 302 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \ 303 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX) 304 #define CPU_FTRS_7450_21 (CPU_FTR_COMMON | \ 305 CPU_FTR_USE_TB | \ 306 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ 307 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \ 308 CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \ 309 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX) 310 #define CPU_FTRS_7450_23 (CPU_FTR_COMMON | \ 311 CPU_FTR_USE_TB | CPU_FTR_NEED_PAIRED_STWCX | \ 312 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ 313 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \ 314 CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE) 315 #define CPU_FTRS_7455_1 (CPU_FTR_COMMON | \ 316 CPU_FTR_USE_TB | CPU_FTR_NEED_PAIRED_STWCX | \ 317 CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | CPU_FTR_L3CR | \ 318 CPU_FTR_SPEC7450 | CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE) 319 #define CPU_FTRS_7455_20 (CPU_FTR_COMMON | \ 320 CPU_FTR_USE_TB | CPU_FTR_NEED_PAIRED_STWCX | \ 321 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ 322 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \ 323 CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \ 324 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE) 325 #define CPU_FTRS_7455 (CPU_FTR_COMMON | \ 326 CPU_FTR_USE_TB | \ 327 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ 328 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \ 329 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX) 330 #define CPU_FTRS_7447_10 (CPU_FTR_COMMON | \ 331 CPU_FTR_USE_TB | \ 332 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ 333 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \ 334 CPU_FTR_NEED_COHERENT | CPU_FTR_NO_BTIC | CPU_FTR_PPC_LE | \ 335 CPU_FTR_NEED_PAIRED_STWCX) 336 #define CPU_FTRS_7447 (CPU_FTR_COMMON | \ 337 CPU_FTR_USE_TB | \ 338 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ 339 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \ 340 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX) 341 #define CPU_FTRS_7447A (CPU_FTR_COMMON | \ 342 CPU_FTR_USE_TB | \ 343 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ 344 CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \ 345 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX) 346 #define CPU_FTRS_7448 (CPU_FTR_COMMON | \ 347 CPU_FTR_USE_TB | \ 348 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ 349 CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \ 350 CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX) 351 #define CPU_FTRS_82XX (CPU_FTR_COMMON | \ 352 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB) 353 #define CPU_FTRS_G2_LE (CPU_FTR_COMMON | CPU_FTR_MAYBE_CAN_DOZE | \ 354 CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP) 355 #define CPU_FTRS_E300 (CPU_FTR_MAYBE_CAN_DOZE | \ 356 CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | \ 357 CPU_FTR_COMMON) 358 #define CPU_FTRS_E300C2 (CPU_FTR_MAYBE_CAN_DOZE | \ 359 CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | \ 360 CPU_FTR_COMMON | CPU_FTR_FPU_UNAVAILABLE) 361 #define CPU_FTRS_CLASSIC32 (CPU_FTR_COMMON | CPU_FTR_USE_TB) 362 #define CPU_FTRS_8XX (CPU_FTR_USE_TB) 363 #define CPU_FTRS_40X (CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE) 364 #define CPU_FTRS_44X (CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE) 365 #define CPU_FTRS_440x6 (CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE | \ 366 CPU_FTR_INDEXED_DCR) 367 #define CPU_FTRS_E200 (CPU_FTR_USE_TB | CPU_FTR_SPE_COMP | \ 368 CPU_FTR_NODSISRALIGN | CPU_FTR_COHERENT_ICACHE | \ 369 CPU_FTR_UNIFIED_ID_CACHE | CPU_FTR_NOEXECUTE) 370 #define CPU_FTRS_E500 (CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | \ 371 CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_NODSISRALIGN | \ 372 CPU_FTR_NOEXECUTE) 373 #define CPU_FTRS_E500_2 (CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | \ 374 CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | \ 375 CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE) 376 #define CPU_FTRS_E500MC (CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | \ 377 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_NODSISRALIGN | \ 378 CPU_FTR_L2CSR | CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE) 379 #define CPU_FTRS_GENERIC_32 (CPU_FTR_COMMON | CPU_FTR_NODSISRALIGN) 380 381 /* 64-bit CPUs */ 382 #define CPU_FTRS_POWER3 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ 383 CPU_FTR_IABR | CPU_FTR_PPC_LE) 384 #define CPU_FTRS_RS64 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ 385 CPU_FTR_IABR | \ 386 CPU_FTR_MMCRA | CPU_FTR_CTRL) 387 #define CPU_FTRS_POWER4 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ 388 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \ 389 CPU_FTR_MMCRA | CPU_FTR_CP_USE_DCBTZ) 390 #define CPU_FTRS_PPC970 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ 391 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \ 392 CPU_FTR_ALTIVEC_COMP | CPU_FTR_CAN_NAP | CPU_FTR_MMCRA | \ 393 CPU_FTR_CP_USE_DCBTZ) 394 #define CPU_FTRS_POWER5 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ 395 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \ 396 CPU_FTR_MMCRA | CPU_FTR_SMT | \ 397 CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \ 398 CPU_FTR_PURR) 399 #define CPU_FTRS_POWER6 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ 400 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \ 401 CPU_FTR_MMCRA | CPU_FTR_SMT | \ 402 CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \ 403 CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \ 404 CPU_FTR_DSCR | CPU_FTR_UNALIGNED_LD_STD) 405 #define CPU_FTRS_POWER7 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ 406 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \ 407 CPU_FTR_MMCRA | CPU_FTR_SMT | \ 408 CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \ 409 CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \ 410 CPU_FTR_DSCR | CPU_FTR_SAO) 411 #define CPU_FTRS_CELL (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ 412 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \ 413 CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \ 414 CPU_FTR_PAUSE_ZERO | CPU_FTR_CI_LARGE_PAGE | \ 415 CPU_FTR_CELL_TB_BUG | CPU_FTR_CP_USE_DCBTZ | \ 416 CPU_FTR_UNALIGNED_LD_STD) 417 #define CPU_FTRS_PA6T (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ 418 CPU_FTR_PPCAS_ARCH_V2 | \ 419 CPU_FTR_ALTIVEC_COMP | CPU_FTR_CI_LARGE_PAGE | \ 420 CPU_FTR_PURR | CPU_FTR_REAL_LE | CPU_FTR_NO_SLBIE_B) 421 #define CPU_FTRS_COMPATIBLE (CPU_FTR_USE_TB | CPU_FTR_PPCAS_ARCH_V2) 422 423 #ifdef __powerpc64__ 424 #define CPU_FTRS_POSSIBLE \ 425 (CPU_FTRS_POWER3 | CPU_FTRS_RS64 | CPU_FTRS_POWER4 | \ 426 CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | CPU_FTRS_POWER6 | \ 427 CPU_FTRS_POWER7 | CPU_FTRS_CELL | CPU_FTRS_PA6T | \ 428 CPU_FTR_1T_SEGMENT | CPU_FTR_VSX) 429 #else 430 enum { 431 CPU_FTRS_POSSIBLE = 432 #if CLASSIC_PPC 433 CPU_FTRS_PPC601 | CPU_FTRS_603 | CPU_FTRS_604 | CPU_FTRS_740_NOTAU | 434 CPU_FTRS_740 | CPU_FTRS_750 | CPU_FTRS_750FX1 | 435 CPU_FTRS_750FX2 | CPU_FTRS_750FX | CPU_FTRS_750GX | 436 CPU_FTRS_7400_NOTAU | CPU_FTRS_7400 | CPU_FTRS_7450_20 | 437 CPU_FTRS_7450_21 | CPU_FTRS_7450_23 | CPU_FTRS_7455_1 | 438 CPU_FTRS_7455_20 | CPU_FTRS_7455 | CPU_FTRS_7447_10 | 439 CPU_FTRS_7447 | CPU_FTRS_7447A | CPU_FTRS_82XX | 440 CPU_FTRS_G2_LE | CPU_FTRS_E300 | CPU_FTRS_E300C2 | 441 CPU_FTRS_CLASSIC32 | 442 #else 443 CPU_FTRS_GENERIC_32 | 444 #endif 445 #ifdef CONFIG_8xx 446 CPU_FTRS_8XX | 447 #endif 448 #ifdef CONFIG_40x 449 CPU_FTRS_40X | 450 #endif 451 #ifdef CONFIG_44x 452 CPU_FTRS_44X | CPU_FTRS_440x6 | 453 #endif 454 #ifdef CONFIG_E200 455 CPU_FTRS_E200 | 456 #endif 457 #ifdef CONFIG_E500 458 CPU_FTRS_E500 | CPU_FTRS_E500_2 | CPU_FTRS_E500MC | 459 #endif 460 0, 461 }; 462 #endif /* __powerpc64__ */ 463 464 #ifdef __powerpc64__ 465 #define CPU_FTRS_ALWAYS \ 466 (CPU_FTRS_POWER3 & CPU_FTRS_RS64 & CPU_FTRS_POWER4 & \ 467 CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & CPU_FTRS_POWER6 & \ 468 CPU_FTRS_POWER7 & CPU_FTRS_CELL & CPU_FTRS_PA6T & CPU_FTRS_POSSIBLE) 469 #else 470 enum { 471 CPU_FTRS_ALWAYS = 472 #if CLASSIC_PPC 473 CPU_FTRS_PPC601 & CPU_FTRS_603 & CPU_FTRS_604 & CPU_FTRS_740_NOTAU & 474 CPU_FTRS_740 & CPU_FTRS_750 & CPU_FTRS_750FX1 & 475 CPU_FTRS_750FX2 & CPU_FTRS_750FX & CPU_FTRS_750GX & 476 CPU_FTRS_7400_NOTAU & CPU_FTRS_7400 & CPU_FTRS_7450_20 & 477 CPU_FTRS_7450_21 & CPU_FTRS_7450_23 & CPU_FTRS_7455_1 & 478 CPU_FTRS_7455_20 & CPU_FTRS_7455 & CPU_FTRS_7447_10 & 479 CPU_FTRS_7447 & CPU_FTRS_7447A & CPU_FTRS_82XX & 480 CPU_FTRS_G2_LE & CPU_FTRS_E300 & CPU_FTRS_E300C2 & 481 CPU_FTRS_CLASSIC32 & 482 #else 483 CPU_FTRS_GENERIC_32 & 484 #endif 485 #ifdef CONFIG_8xx 486 CPU_FTRS_8XX & 487 #endif 488 #ifdef CONFIG_40x 489 CPU_FTRS_40X & 490 #endif 491 #ifdef CONFIG_44x 492 CPU_FTRS_44X & CPU_FTRS_440x6 & 493 #endif 494 #ifdef CONFIG_E200 495 CPU_FTRS_E200 & 496 #endif 497 #ifdef CONFIG_E500 498 CPU_FTRS_E500 & CPU_FTRS_E500_2 & CPU_FTRS_E500MC & 499 #endif 500 CPU_FTRS_POSSIBLE, 501 }; 502 #endif /* __powerpc64__ */ 503 504 static inline int cpu_has_feature(unsigned long feature) 505 { 506 return (CPU_FTRS_ALWAYS & feature) || 507 (CPU_FTRS_POSSIBLE 508 & cur_cpu_spec->cpu_features 509 & feature); 510 } 511 512 #endif /* !__ASSEMBLY__ */ 513 514 #endif /* __KERNEL__ */ 515 #endif /* __ASM_POWERPC_CPUTABLE_H */ 516