1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __ASM_POWERPC_CPUTABLE_H 3 #define __ASM_POWERPC_CPUTABLE_H 4 5 6 #include <linux/types.h> 7 #include <uapi/asm/cputable.h> 8 #include <asm/asm-const.h> 9 10 #ifndef __ASSEMBLER__ 11 12 /* This structure can grow, it's real size is used by head.S code 13 * via the mkdefs mechanism. 14 */ 15 struct cpu_spec; 16 17 typedef void (*cpu_setup_t)(unsigned long offset, struct cpu_spec* spec); 18 typedef void (*cpu_restore_t)(void); 19 20 enum powerpc_pmc_type { 21 PPC_PMC_DEFAULT = 0, 22 PPC_PMC_IBM = 1, 23 PPC_PMC_PA6T = 2, 24 PPC_PMC_G4 = 3, 25 }; 26 27 struct pt_regs; 28 29 extern int machine_check_generic(struct pt_regs *regs); 30 extern int machine_check_4xx(struct pt_regs *regs); 31 extern int machine_check_440A(struct pt_regs *regs); 32 extern int machine_check_e500mc(struct pt_regs *regs); 33 extern int machine_check_e500(struct pt_regs *regs); 34 extern int machine_check_47x(struct pt_regs *regs); 35 int machine_check_8xx(struct pt_regs *regs); 36 int machine_check_83xx(struct pt_regs *regs); 37 38 extern void cpu_down_flush_e500v2(void); 39 extern void cpu_down_flush_e500mc(void); 40 extern void cpu_down_flush_e5500(void); 41 extern void cpu_down_flush_e6500(void); 42 43 /* NOTE WELL: Update identify_cpu() if fields are added or removed! */ 44 struct cpu_spec { 45 /* CPU is matched via (PVR & pvr_mask) == pvr_value */ 46 unsigned int pvr_mask; 47 unsigned int pvr_value; 48 49 char *cpu_name; 50 unsigned long cpu_features; /* Kernel features */ 51 unsigned int cpu_user_features; /* Userland features */ 52 unsigned int cpu_user_features2; /* Userland features v2 */ 53 unsigned int mmu_features; /* MMU features */ 54 55 /* cache line sizes */ 56 unsigned int icache_bsize; 57 unsigned int dcache_bsize; 58 59 /* flush caches inside the current cpu */ 60 void (*cpu_down_flush)(void); 61 62 /* number of performance monitor counters */ 63 unsigned int num_pmcs; 64 enum powerpc_pmc_type pmc_type; 65 66 /* this is called to initialize various CPU bits like L1 cache, 67 * BHT, SPD, etc... from head.S before branching to identify_machine 68 */ 69 cpu_setup_t cpu_setup; 70 /* Used to restore cpu setup on secondary processors and at resume */ 71 cpu_restore_t cpu_restore; 72 73 /* Name of processor class, for the ELF AT_PLATFORM entry */ 74 char *platform; 75 76 /* Processor specific machine check handling. Return negative 77 * if the error is fatal, 1 if it was fully recovered and 0 to 78 * pass up (not CPU originated) */ 79 int (*machine_check)(struct pt_regs *regs); 80 81 /* 82 * Processor specific early machine check handler which is 83 * called in real mode to handle SLB and TLB errors. 84 */ 85 long (*machine_check_early)(struct pt_regs *regs); 86 }; 87 88 extern struct cpu_spec *cur_cpu_spec; 89 90 extern unsigned int __start___ftr_fixup, __stop___ftr_fixup; 91 92 extern void set_cur_cpu_spec(struct cpu_spec *s); 93 extern struct cpu_spec *identify_cpu(unsigned long offset, unsigned int pvr); 94 extern void identify_cpu_name(unsigned int pvr); 95 extern void do_feature_fixups(unsigned long value, void *fixup_start, 96 void *fixup_end); 97 98 extern const char *powerpc_base_platform; 99 100 #ifdef CONFIG_JUMP_LABEL_FEATURE_CHECKS 101 extern void cpu_feature_keys_init(void); 102 #else 103 static inline void cpu_feature_keys_init(void) { } 104 #endif 105 106 #endif /* __ASSEMBLER__ */ 107 108 /* CPU kernel features */ 109 110 /* Definitions for features that we have on both 32-bit and 64-bit chips */ 111 #define CPU_FTR_COHERENT_ICACHE ASM_CONST(0x00000001) 112 #define CPU_FTR_ALTIVEC ASM_CONST(0x00000002) 113 #define CPU_FTR_DBELL ASM_CONST(0x00000004) 114 #define CPU_FTR_CAN_NAP ASM_CONST(0x00000008) 115 #define CPU_FTR_DEBUG_LVL_EXC ASM_CONST(0x00000010) 116 // ASM_CONST(0x00000020) Free 117 #define CPU_FTR_FPU_UNAVAILABLE ASM_CONST(0x00000040) 118 #define CPU_FTR_LWSYNC ASM_CONST(0x00000080) 119 #define CPU_FTR_NOEXECUTE ASM_CONST(0x00000100) 120 #define CPU_FTR_EMB_HV ASM_CONST(0x00000200) 121 122 /* Definitions for features that only exist on 32-bit chips */ 123 #ifdef CONFIG_PPC32 124 #define CPU_FTR_L2CR ASM_CONST(0x00002000) 125 #define CPU_FTR_SPEC7450 ASM_CONST(0x00004000) 126 #define CPU_FTR_TAU ASM_CONST(0x00008000) 127 #define CPU_FTR_CAN_DOZE ASM_CONST(0x00010000) 128 #define CPU_FTR_L3CR ASM_CONST(0x00040000) 129 #define CPU_FTR_L3_DISABLE_NAP ASM_CONST(0x00080000) 130 #define CPU_FTR_NAP_DISABLE_L2_PR ASM_CONST(0x00100000) 131 #define CPU_FTR_DUAL_PLL_750FX ASM_CONST(0x00200000) 132 #define CPU_FTR_NO_DPM ASM_CONST(0x00400000) 133 #define CPU_FTR_476_DD2 ASM_CONST(0x00800000) 134 #define CPU_FTR_NEED_COHERENT ASM_CONST(0x01000000) 135 #define CPU_FTR_NO_BTIC ASM_CONST(0x02000000) 136 #define CPU_FTR_PPC_LE ASM_CONST(0x04000000) 137 #define CPU_FTR_SPE ASM_CONST(0x10000000) 138 #define CPU_FTR_NEED_PAIRED_STWCX ASM_CONST(0x20000000) 139 #define CPU_FTR_INDEXED_DCR ASM_CONST(0x40000000) 140 141 #else /* CONFIG_PPC32 */ 142 /* Define these to 0 for the sake of tests in common code */ 143 #define CPU_FTR_PPC_LE (0) 144 #define CPU_FTR_SPE (0) 145 #endif 146 147 /* 148 * Definitions for the 64-bit processor unique features; 149 * on 32-bit, make the names available but defined to be 0. 150 */ 151 #ifdef __powerpc64__ 152 #define LONG_ASM_CONST(x) ASM_CONST(x) 153 #else 154 #define LONG_ASM_CONST(x) 0 155 #endif 156 157 #define CPU_FTR_REAL_LE LONG_ASM_CONST(0x0000000000001000) 158 #define CPU_FTR_HVMODE LONG_ASM_CONST(0x0000000000002000) 159 #define CPU_FTR_ARCH_206 LONG_ASM_CONST(0x0000000000008000) 160 #define CPU_FTR_ARCH_207S LONG_ASM_CONST(0x0000000000010000) 161 #define CPU_FTR_ARCH_300 LONG_ASM_CONST(0x0000000000020000) 162 #define CPU_FTR_MMCRA LONG_ASM_CONST(0x0000000000040000) 163 #define CPU_FTR_CTRL LONG_ASM_CONST(0x0000000000080000) 164 #define CPU_FTR_SMT LONG_ASM_CONST(0x0000000000100000) 165 #define CPU_FTR_PAUSE_ZERO LONG_ASM_CONST(0x0000000000200000) 166 #define CPU_FTR_PURR LONG_ASM_CONST(0x0000000000400000) 167 #define CPU_FTR_CELL_TB_BUG LONG_ASM_CONST(0x0000000000800000) 168 #define CPU_FTR_SPURR LONG_ASM_CONST(0x0000000001000000) 169 #define CPU_FTR_DSCR LONG_ASM_CONST(0x0000000002000000) 170 #define CPU_FTR_VSX LONG_ASM_CONST(0x0000000004000000) 171 #define CPU_FTR_SAO LONG_ASM_CONST(0x0000000008000000) 172 #define CPU_FTR_CP_USE_DCBTZ LONG_ASM_CONST(0x0000000010000000) 173 #define CPU_FTR_UNALIGNED_LD_STD LONG_ASM_CONST(0x0000000020000000) 174 #define CPU_FTR_ASYM_SMT LONG_ASM_CONST(0x0000000040000000) 175 #define CPU_FTR_STCX_CHECKS_ADDRESS LONG_ASM_CONST(0x0000000080000000) 176 #define CPU_FTR_POPCNTB LONG_ASM_CONST(0x0000000100000000) 177 #define CPU_FTR_POPCNTD LONG_ASM_CONST(0x0000000200000000) 178 /* LONG_ASM_CONST(0x0000000400000000) Free */ 179 #define CPU_FTR_VMX_COPY LONG_ASM_CONST(0x0000000800000000) 180 #define CPU_FTR_TM LONG_ASM_CONST(0x0000001000000000) 181 #define CPU_FTR_CFAR LONG_ASM_CONST(0x0000002000000000) 182 #define CPU_FTR_HAS_PPR LONG_ASM_CONST(0x0000004000000000) 183 #define CPU_FTR_DAWR LONG_ASM_CONST(0x0000008000000000) 184 #define CPU_FTR_DABRX LONG_ASM_CONST(0x0000010000000000) 185 #define CPU_FTR_PMAO_BUG LONG_ASM_CONST(0x0000020000000000) 186 #define CPU_FTR_POWER9_DD2_1 LONG_ASM_CONST(0x0000080000000000) 187 #define CPU_FTR_P9_TM_HV_ASSIST LONG_ASM_CONST(0x0000100000000000) 188 #define CPU_FTR_P9_TM_XER_SO_BUG LONG_ASM_CONST(0x0000200000000000) 189 #define CPU_FTR_P9_TLBIE_STQ_BUG LONG_ASM_CONST(0x0000400000000000) 190 #define CPU_FTR_P9_TIDR LONG_ASM_CONST(0x0000800000000000) 191 #define CPU_FTR_P9_TLBIE_ERAT_BUG LONG_ASM_CONST(0x0001000000000000) 192 #define CPU_FTR_P9_RADIX_PREFETCH_BUG LONG_ASM_CONST(0x0002000000000000) 193 #define CPU_FTR_ARCH_31 LONG_ASM_CONST(0x0004000000000000) 194 #define CPU_FTR_DAWR1 LONG_ASM_CONST(0x0008000000000000) 195 #define CPU_FTR_DEXCR_NPHIE LONG_ASM_CONST(0x0010000000000000) 196 #define CPU_FTR_P11_PVR LONG_ASM_CONST(0x0020000000000000) 197 #define CPU_FTR_ARCH_32 LONG_ASM_CONST(0x0040000000000000) 198 199 #ifndef __ASSEMBLER__ 200 201 #define CPU_FTR_PPCAS_ARCH_V2 (CPU_FTR_NOEXECUTE) 202 203 /* We only set the altivec features if the kernel was compiled with altivec 204 * support 205 */ 206 #ifdef CONFIG_ALTIVEC 207 #define CPU_FTR_ALTIVEC_COMP CPU_FTR_ALTIVEC 208 #define PPC_FEATURE_HAS_ALTIVEC_COMP PPC_FEATURE_HAS_ALTIVEC 209 #else 210 #define CPU_FTR_ALTIVEC_COMP 0 211 #define PPC_FEATURE_HAS_ALTIVEC_COMP 0 212 #endif 213 214 /* We only set the VSX features if the kernel was compiled with VSX 215 * support 216 */ 217 #ifdef CONFIG_VSX 218 #define CPU_FTR_VSX_COMP CPU_FTR_VSX 219 #define PPC_FEATURE_HAS_VSX_COMP PPC_FEATURE_HAS_VSX 220 #else 221 #define CPU_FTR_VSX_COMP 0 222 #define PPC_FEATURE_HAS_VSX_COMP 0 223 #endif 224 225 /* We only set the spe features if the kernel was compiled with spe 226 * support 227 */ 228 #ifdef CONFIG_SPE 229 #define CPU_FTR_SPE_COMP CPU_FTR_SPE 230 #define PPC_FEATURE_HAS_SPE_COMP PPC_FEATURE_HAS_SPE 231 #define PPC_FEATURE_HAS_EFP_SINGLE_COMP PPC_FEATURE_HAS_EFP_SINGLE 232 #define PPC_FEATURE_HAS_EFP_DOUBLE_COMP PPC_FEATURE_HAS_EFP_DOUBLE 233 #else 234 #define CPU_FTR_SPE_COMP 0 235 #define PPC_FEATURE_HAS_SPE_COMP 0 236 #define PPC_FEATURE_HAS_EFP_SINGLE_COMP 0 237 #define PPC_FEATURE_HAS_EFP_DOUBLE_COMP 0 238 #endif 239 240 /* We only set the TM feature if the kernel was compiled with TM supprt */ 241 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM 242 #define CPU_FTR_TM_COMP CPU_FTR_TM 243 #define PPC_FEATURE2_HTM_COMP PPC_FEATURE2_HTM 244 #define PPC_FEATURE2_HTM_NOSC_COMP PPC_FEATURE2_HTM_NOSC 245 #else 246 #define CPU_FTR_TM_COMP 0 247 #define PPC_FEATURE2_HTM_COMP 0 248 #define PPC_FEATURE2_HTM_NOSC_COMP 0 249 #endif 250 251 /* We need to mark all pages as being coherent if we're SMP or we have a 252 * 74[45]x and an MPC107 host bridge. Also 83xx and PowerQUICC II 253 * require it for PCI "streaming/prefetch" to work properly. 254 * This is also required by 52xx family. 255 */ 256 #if defined(CONFIG_SMP) || defined(CONFIG_MPC10X_BRIDGE) \ 257 || defined(CONFIG_PPC_83xx) || defined(CONFIG_PPC_82xx) \ 258 || defined(CONFIG_PPC_MPC52xx) 259 #define CPU_FTR_COMMON CPU_FTR_NEED_COHERENT 260 #else 261 #define CPU_FTR_COMMON 0 262 #endif 263 264 /* The powersave features NAP & DOZE seems to confuse BDI when 265 debugging. So if a BDI is used, disable theses 266 */ 267 #ifndef CONFIG_BDI_SWITCH 268 #define CPU_FTR_MAYBE_CAN_DOZE CPU_FTR_CAN_DOZE 269 #define CPU_FTR_MAYBE_CAN_NAP CPU_FTR_CAN_NAP 270 #else 271 #define CPU_FTR_MAYBE_CAN_DOZE 0 272 #define CPU_FTR_MAYBE_CAN_NAP 0 273 #endif 274 275 #define CPU_FTRS_603 (CPU_FTR_COMMON | CPU_FTR_MAYBE_CAN_DOZE | \ 276 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE | CPU_FTR_NOEXECUTE) 277 #define CPU_FTRS_604 (CPU_FTR_COMMON | CPU_FTR_PPC_LE) 278 #define CPU_FTRS_740_NOTAU (CPU_FTR_COMMON | \ 279 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \ 280 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE) 281 #define CPU_FTRS_740 (CPU_FTR_COMMON | \ 282 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \ 283 CPU_FTR_TAU | CPU_FTR_MAYBE_CAN_NAP | \ 284 CPU_FTR_PPC_LE) 285 #define CPU_FTRS_750 (CPU_FTR_COMMON | \ 286 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \ 287 CPU_FTR_TAU | CPU_FTR_MAYBE_CAN_NAP | \ 288 CPU_FTR_PPC_LE) 289 #define CPU_FTRS_750CL (CPU_FTRS_750) 290 #define CPU_FTRS_750FX1 (CPU_FTRS_750 | CPU_FTR_DUAL_PLL_750FX | CPU_FTR_NO_DPM) 291 #define CPU_FTRS_750FX2 (CPU_FTRS_750 | CPU_FTR_NO_DPM) 292 #define CPU_FTRS_750FX (CPU_FTRS_750 | CPU_FTR_DUAL_PLL_750FX) 293 #define CPU_FTRS_750GX (CPU_FTRS_750FX) 294 #define CPU_FTRS_7400_NOTAU (CPU_FTR_COMMON | \ 295 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \ 296 CPU_FTR_ALTIVEC_COMP | \ 297 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE) 298 #define CPU_FTRS_7400 (CPU_FTR_COMMON | \ 299 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \ 300 CPU_FTR_TAU | CPU_FTR_ALTIVEC_COMP | \ 301 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE) 302 #define CPU_FTRS_7450_20 (CPU_FTR_COMMON | \ 303 CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ 304 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \ 305 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX) 306 #define CPU_FTRS_7450_21 (CPU_FTR_COMMON | \ 307 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ 308 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \ 309 CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \ 310 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX) 311 #define CPU_FTRS_7450_23 (CPU_FTR_COMMON | \ 312 CPU_FTR_NEED_PAIRED_STWCX | \ 313 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ 314 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \ 315 CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE) 316 #define CPU_FTRS_7455_1 (CPU_FTR_COMMON | \ 317 CPU_FTR_NEED_PAIRED_STWCX | \ 318 CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | CPU_FTR_L3CR | \ 319 CPU_FTR_SPEC7450 | CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE) 320 #define CPU_FTRS_7455_20 (CPU_FTR_COMMON | \ 321 CPU_FTR_NEED_PAIRED_STWCX | \ 322 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ 323 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \ 324 CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \ 325 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE) 326 #define CPU_FTRS_7455 (CPU_FTR_COMMON | \ 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_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ 332 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \ 333 CPU_FTR_NEED_COHERENT | CPU_FTR_NO_BTIC | CPU_FTR_PPC_LE | \ 334 CPU_FTR_NEED_PAIRED_STWCX) 335 #define CPU_FTRS_7447 (CPU_FTR_COMMON | \ 336 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ 337 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \ 338 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX) 339 #define CPU_FTRS_7447A (CPU_FTR_COMMON | \ 340 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ 341 CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \ 342 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX) 343 #define CPU_FTRS_7448 (CPU_FTR_COMMON | \ 344 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \ 345 CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \ 346 CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX) 347 #define CPU_FTRS_82XX (CPU_FTR_COMMON | CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_NOEXECUTE) 348 #define CPU_FTRS_G2_LE (CPU_FTR_COMMON | CPU_FTR_MAYBE_CAN_DOZE | \ 349 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_NOEXECUTE) 350 #define CPU_FTRS_E300 (CPU_FTR_MAYBE_CAN_DOZE | \ 351 CPU_FTR_MAYBE_CAN_NAP | \ 352 CPU_FTR_COMMON | CPU_FTR_NOEXECUTE) 353 #define CPU_FTRS_E300C2 (CPU_FTR_MAYBE_CAN_DOZE | \ 354 CPU_FTR_MAYBE_CAN_NAP | \ 355 CPU_FTR_COMMON | CPU_FTR_FPU_UNAVAILABLE | CPU_FTR_NOEXECUTE) 356 #define CPU_FTRS_CLASSIC32 (CPU_FTR_COMMON) 357 #define CPU_FTRS_8XX (CPU_FTR_NOEXECUTE) 358 #define CPU_FTRS_44X (CPU_FTR_NOEXECUTE) 359 #define CPU_FTRS_440x6 (CPU_FTR_NOEXECUTE | \ 360 CPU_FTR_INDEXED_DCR) 361 #define CPU_FTRS_47X (CPU_FTRS_440x6) 362 #define CPU_FTRS_E500 (CPU_FTR_MAYBE_CAN_DOZE | \ 363 CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | \ 364 CPU_FTR_NOEXECUTE) 365 #define CPU_FTRS_E500_2 (CPU_FTR_MAYBE_CAN_DOZE | \ 366 CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | \ 367 CPU_FTR_NOEXECUTE) 368 #define CPU_FTRS_E500MC ( \ 369 CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \ 370 CPU_FTR_DBELL | CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV) 371 /* 372 * e5500/e6500 erratum A-006958 is a timebase bug that can use the 373 * same workaround as CPU_FTR_CELL_TB_BUG. 374 */ 375 #define CPU_FTRS_E5500 ( \ 376 CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \ 377 CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \ 378 CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV | CPU_FTR_CELL_TB_BUG) 379 #define CPU_FTRS_E6500 ( \ 380 CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \ 381 CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \ 382 CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV | CPU_FTR_ALTIVEC_COMP | \ 383 CPU_FTR_CELL_TB_BUG | CPU_FTR_SMT) 384 385 /* 64-bit CPUs */ 386 #define CPU_FTRS_PPC970 (CPU_FTR_LWSYNC | \ 387 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \ 388 CPU_FTR_ALTIVEC_COMP | CPU_FTR_CAN_NAP | CPU_FTR_MMCRA | \ 389 CPU_FTR_CP_USE_DCBTZ | CPU_FTR_STCX_CHECKS_ADDRESS | \ 390 CPU_FTR_HVMODE | CPU_FTR_DABRX) 391 #define CPU_FTRS_POWER5 (CPU_FTR_LWSYNC | \ 392 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \ 393 CPU_FTR_MMCRA | CPU_FTR_SMT | \ 394 CPU_FTR_COHERENT_ICACHE | CPU_FTR_PURR | \ 395 CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_DABRX) 396 #define CPU_FTRS_POWER6 (CPU_FTR_LWSYNC | \ 397 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \ 398 CPU_FTR_MMCRA | CPU_FTR_SMT | \ 399 CPU_FTR_COHERENT_ICACHE | \ 400 CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \ 401 CPU_FTR_DSCR | CPU_FTR_UNALIGNED_LD_STD | \ 402 CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_CFAR | \ 403 CPU_FTR_DABRX) 404 #define CPU_FTRS_POWER7 (CPU_FTR_LWSYNC | \ 405 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\ 406 CPU_FTR_MMCRA | CPU_FTR_SMT | \ 407 CPU_FTR_COHERENT_ICACHE | \ 408 CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \ 409 CPU_FTR_DSCR | CPU_FTR_SAO | CPU_FTR_ASYM_SMT | \ 410 CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \ 411 CPU_FTR_CFAR | CPU_FTR_HVMODE | \ 412 CPU_FTR_VMX_COPY | CPU_FTR_HAS_PPR | CPU_FTR_DABRX ) 413 #define CPU_FTRS_POWER8 (CPU_FTR_LWSYNC | \ 414 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\ 415 CPU_FTR_MMCRA | CPU_FTR_SMT | \ 416 CPU_FTR_COHERENT_ICACHE | \ 417 CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \ 418 CPU_FTR_DSCR | CPU_FTR_SAO | \ 419 CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \ 420 CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \ 421 CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_DAWR | \ 422 CPU_FTR_ARCH_207S | CPU_FTR_TM_COMP ) 423 #define CPU_FTRS_POWER8E (CPU_FTRS_POWER8 | CPU_FTR_PMAO_BUG) 424 #define CPU_FTRS_POWER9 (CPU_FTR_LWSYNC | \ 425 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\ 426 CPU_FTR_MMCRA | CPU_FTR_SMT | \ 427 CPU_FTR_COHERENT_ICACHE | \ 428 CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \ 429 CPU_FTR_DSCR | CPU_FTR_SAO | \ 430 CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \ 431 CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \ 432 CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_ARCH_207S | \ 433 CPU_FTR_TM_COMP | CPU_FTR_ARCH_300 | CPU_FTR_P9_TLBIE_STQ_BUG | \ 434 CPU_FTR_P9_TLBIE_ERAT_BUG | CPU_FTR_P9_TIDR) 435 #define CPU_FTRS_POWER9_DD2_0 (CPU_FTRS_POWER9 | CPU_FTR_P9_RADIX_PREFETCH_BUG) 436 #define CPU_FTRS_POWER9_DD2_1 (CPU_FTRS_POWER9 | \ 437 CPU_FTR_P9_RADIX_PREFETCH_BUG | \ 438 CPU_FTR_POWER9_DD2_1) 439 #define CPU_FTRS_POWER9_DD2_2 (CPU_FTRS_POWER9 | CPU_FTR_POWER9_DD2_1 | \ 440 CPU_FTR_P9_TM_HV_ASSIST | \ 441 CPU_FTR_P9_TM_XER_SO_BUG) 442 #define CPU_FTRS_POWER9_DD2_3 (CPU_FTRS_POWER9 | CPU_FTR_POWER9_DD2_1 | \ 443 CPU_FTR_P9_TM_HV_ASSIST | \ 444 CPU_FTR_P9_TM_XER_SO_BUG | \ 445 CPU_FTR_DAWR) 446 #define CPU_FTRS_POWER10 (CPU_FTR_LWSYNC | \ 447 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\ 448 CPU_FTR_MMCRA | CPU_FTR_SMT | \ 449 CPU_FTR_COHERENT_ICACHE | \ 450 CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \ 451 CPU_FTR_DSCR | CPU_FTR_SAO | \ 452 CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \ 453 CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \ 454 CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_ARCH_207S | \ 455 CPU_FTR_ARCH_300 | CPU_FTR_ARCH_31 | \ 456 CPU_FTR_DAWR | CPU_FTR_DAWR1 | \ 457 CPU_FTR_DEXCR_NPHIE) 458 459 #define CPU_FTRS_POWER11 (CPU_FTRS_POWER10 | CPU_FTR_P11_PVR) 460 461 #define CPU_FTRS_POWER12 (CPU_FTR_LWSYNC | \ 462 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\ 463 CPU_FTR_MMCRA | CPU_FTR_SMT | \ 464 CPU_FTR_COHERENT_ICACHE | \ 465 CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \ 466 CPU_FTR_DSCR | \ 467 CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \ 468 CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \ 469 CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_ARCH_207S | \ 470 CPU_FTR_ARCH_300 | CPU_FTR_ARCH_31 | CPU_FTR_ARCH_32 | \ 471 CPU_FTR_DAWR | CPU_FTR_DAWR1) 472 473 #define CPU_FTRS_CELL (CPU_FTR_LWSYNC | \ 474 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \ 475 CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \ 476 CPU_FTR_PAUSE_ZERO | CPU_FTR_CELL_TB_BUG | CPU_FTR_CP_USE_DCBTZ | \ 477 CPU_FTR_UNALIGNED_LD_STD | CPU_FTR_DABRX) 478 #define CPU_FTRS_PA6T (CPU_FTR_LWSYNC | \ 479 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_ALTIVEC_COMP | \ 480 CPU_FTR_PURR | CPU_FTR_REAL_LE | CPU_FTR_DABRX) 481 #define CPU_FTRS_COMPATIBLE (CPU_FTR_PPCAS_ARCH_V2) 482 483 #ifdef CONFIG_PPC64 484 #ifdef CONFIG_PPC_BOOK3E_64 485 #define CPU_FTRS_POSSIBLE (CPU_FTRS_E6500 | CPU_FTRS_E5500) 486 #else 487 #ifdef CONFIG_CPU_LITTLE_ENDIAN 488 #define CPU_FTRS_POSSIBLE \ 489 (CPU_FTRS_POWER7 | CPU_FTRS_POWER8E | CPU_FTRS_POWER8 | \ 490 CPU_FTR_ALTIVEC_COMP | CPU_FTR_VSX_COMP | CPU_FTRS_POWER9 | \ 491 CPU_FTRS_POWER9_DD2_1 | CPU_FTRS_POWER9_DD2_2 | \ 492 CPU_FTRS_POWER9_DD2_3 | CPU_FTRS_POWER10 | CPU_FTRS_POWER11 | CPU_FTRS_POWER12) 493 #else 494 #define CPU_FTRS_POSSIBLE \ 495 (CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | \ 496 CPU_FTRS_POWER6 | CPU_FTRS_POWER7 | CPU_FTRS_POWER8E | \ 497 CPU_FTRS_POWER8 | CPU_FTRS_CELL | CPU_FTRS_PA6T | \ 498 CPU_FTR_VSX_COMP | CPU_FTR_ALTIVEC_COMP | CPU_FTRS_POWER9 | \ 499 CPU_FTRS_POWER9_DD2_1 | CPU_FTRS_POWER9_DD2_2 | \ 500 CPU_FTRS_POWER9_DD2_3 | CPU_FTRS_POWER10 | CPU_FTRS_POWER11 | CPU_FTRS_POWER12) 501 #endif /* CONFIG_CPU_LITTLE_ENDIAN */ 502 #endif 503 #else 504 enum { 505 CPU_FTRS_POSSIBLE = 506 #ifdef CONFIG_PPC_BOOK3S_604 507 CPU_FTRS_604 | CPU_FTRS_740_NOTAU | 508 CPU_FTRS_740 | CPU_FTRS_750 | CPU_FTRS_750FX1 | 509 CPU_FTRS_750FX2 | CPU_FTRS_750FX | CPU_FTRS_750GX | 510 CPU_FTRS_7400_NOTAU | CPU_FTRS_7400 | CPU_FTRS_7450_20 | 511 CPU_FTRS_7450_21 | CPU_FTRS_7450_23 | CPU_FTRS_7455_1 | 512 CPU_FTRS_7455_20 | CPU_FTRS_7455 | CPU_FTRS_7447_10 | 513 CPU_FTRS_7447 | CPU_FTRS_7447A | 514 CPU_FTRS_CLASSIC32 | 515 #endif 516 #ifdef CONFIG_PPC_BOOK3S_603 517 CPU_FTRS_603 | CPU_FTRS_82XX | 518 CPU_FTRS_G2_LE | CPU_FTRS_E300 | CPU_FTRS_E300C2 | 519 #endif 520 #ifdef CONFIG_PPC_8xx 521 CPU_FTRS_8XX | 522 #endif 523 #ifdef CONFIG_PPC_47x 524 CPU_FTRS_47X | CPU_FTR_476_DD2 | 525 #elif defined(CONFIG_44x) 526 CPU_FTRS_44X | CPU_FTRS_440x6 | 527 #endif 528 #ifdef CONFIG_PPC_E500 529 CPU_FTRS_E500 | CPU_FTRS_E500_2 | 530 #endif 531 #ifdef CONFIG_PPC_E500MC 532 CPU_FTRS_E500MC | CPU_FTRS_E5500 | CPU_FTRS_E6500 | 533 #endif 534 0, 535 }; 536 #endif /* __powerpc64__ */ 537 538 #ifdef CONFIG_PPC64 539 #ifdef CONFIG_PPC_BOOK3E_64 540 #define CPU_FTRS_ALWAYS (CPU_FTRS_E6500 & CPU_FTRS_E5500) 541 #else 542 543 #ifdef CONFIG_PPC_DT_CPU_FTRS 544 #define CPU_FTRS_DT_CPU_BASE \ 545 (CPU_FTR_LWSYNC | \ 546 CPU_FTR_FPU_UNAVAILABLE | \ 547 CPU_FTR_NOEXECUTE | \ 548 CPU_FTR_COHERENT_ICACHE | \ 549 CPU_FTR_STCX_CHECKS_ADDRESS | \ 550 CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \ 551 CPU_FTR_DAWR | \ 552 CPU_FTR_ARCH_206 | \ 553 CPU_FTR_ARCH_207S) 554 #else 555 #define CPU_FTRS_DT_CPU_BASE (~0ul) 556 #endif 557 558 /* pseries may disable DBELL with ibm,pi-features */ 559 #ifdef CONFIG_CPU_LITTLE_ENDIAN 560 #define CPU_FTRS_ALWAYS \ 561 (CPU_FTRS_POSSIBLE & ~CPU_FTR_HVMODE & ~CPU_FTR_DBELL & \ 562 CPU_FTRS_POWER7 & CPU_FTRS_POWER8E & CPU_FTRS_POWER8 & \ 563 CPU_FTRS_POWER9 & CPU_FTRS_POWER9_DD2_1 & CPU_FTRS_POWER9_DD2_2 & \ 564 CPU_FTRS_POWER10 & CPU_FTRS_POWER11 & CPU_FTRS_DT_CPU_BASE) 565 #else 566 #define CPU_FTRS_ALWAYS \ 567 (CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & \ 568 CPU_FTRS_POWER6 & CPU_FTRS_POWER7 & CPU_FTRS_CELL & \ 569 CPU_FTRS_PA6T & CPU_FTRS_POWER8 & CPU_FTRS_POWER8E & \ 570 ~CPU_FTR_HVMODE & ~CPU_FTR_DBELL & CPU_FTRS_POSSIBLE & \ 571 CPU_FTRS_POWER9 & CPU_FTRS_POWER9_DD2_1 & CPU_FTRS_POWER9_DD2_2 & \ 572 CPU_FTRS_POWER10 & CPU_FTRS_POWER11 & CPU_FTRS_DT_CPU_BASE) 573 #endif /* CONFIG_CPU_LITTLE_ENDIAN */ 574 #endif 575 #else 576 enum { 577 CPU_FTRS_ALWAYS = 578 #ifdef CONFIG_PPC_BOOK3S_604 579 CPU_FTRS_604 & CPU_FTRS_740_NOTAU & 580 CPU_FTRS_740 & CPU_FTRS_750 & CPU_FTRS_750FX1 & 581 CPU_FTRS_750FX2 & CPU_FTRS_750FX & CPU_FTRS_750GX & 582 CPU_FTRS_7400_NOTAU & CPU_FTRS_7400 & CPU_FTRS_7450_20 & 583 CPU_FTRS_7450_21 & CPU_FTRS_7450_23 & CPU_FTRS_7455_1 & 584 CPU_FTRS_7455_20 & CPU_FTRS_7455 & CPU_FTRS_7447_10 & 585 CPU_FTRS_7447 & CPU_FTRS_7447A & 586 CPU_FTRS_CLASSIC32 & 587 #endif 588 #ifdef CONFIG_PPC_BOOK3S_603 589 CPU_FTRS_603 & CPU_FTRS_82XX & 590 CPU_FTRS_G2_LE & CPU_FTRS_E300 & CPU_FTRS_E300C2 & 591 #endif 592 #ifdef CONFIG_PPC_8xx 593 CPU_FTRS_8XX & 594 #endif 595 #ifdef CONFIG_PPC_47x 596 CPU_FTRS_47X & 597 #elif defined(CONFIG_44x) 598 CPU_FTRS_44X & CPU_FTRS_440x6 & 599 #endif 600 #ifdef CONFIG_PPC_E500 601 CPU_FTRS_E500 & CPU_FTRS_E500_2 & 602 #endif 603 #ifdef CONFIG_PPC_E500MC 604 CPU_FTRS_E500MC & CPU_FTRS_E5500 & CPU_FTRS_E6500 & 605 #endif 606 ~CPU_FTR_EMB_HV & /* can be removed at runtime */ 607 CPU_FTRS_POSSIBLE, 608 }; 609 #endif /* __powerpc64__ */ 610 611 /* 612 * Maximum number of hw breakpoint supported on powerpc. Number of 613 * breakpoints supported by actual hw might be less than this, which 614 * is decided at run time in nr_wp_slots(). 615 */ 616 #define HBP_NUM_MAX 2 617 618 #endif /* !__ASSEMBLER__ */ 619 620 #endif /* __ASM_POWERPC_CPUTABLE_H */ 621