include/asm-powerpc/cputable.h

   1 #ifndef __ASM_POWERPC_CPUTABLE_H
   2 #define __ASM_POWERPC_CPUTABLE_H
   3
   4 #include <asm/asm-compat.h>
   5
   6 #define PPC_FEATURE_32                  0x80000000
   7 #define PPC_FEATURE_64                  0x40000000
   8 #define PPC_FEATURE_601_INSTR           0x20000000
   9 #define PPC_FEATURE_HAS_ALTIVEC         0x10000000
  10 #define PPC_FEATURE_HAS_FPU             0x08000000
  11 #define PPC_FEATURE_HAS_MMU             0x04000000
  12 #define PPC_FEATURE_HAS_4xxMAC          0x02000000
  13 #define PPC_FEATURE_UNIFIED_CACHE       0x01000000
  14 #define PPC_FEATURE_HAS_SPE             0x00800000
  15 #define PPC_FEATURE_HAS_EFP_SINGLE      0x00400000
  16 #define PPC_FEATURE_HAS_EFP_DOUBLE      0x00200000
  17 #define PPC_FEATURE_NO_TB               0x00100000
  18 #define PPC_FEATURE_POWER4              0x00080000
  19 #define PPC_FEATURE_POWER5              0x00040000
  20 #define PPC_FEATURE_POWER5_PLUS         0x00020000
  21 #define PPC_FEATURE_CELL                0x00010000
  22 #define PPC_FEATURE_BOOKE               0x00008000
  23 #define PPC_FEATURE_SMT                 0x00004000
  24 #define PPC_FEATURE_ICACHE_SNOOP        0x00002000
  25 #define PPC_FEATURE_ARCH_2_05           0x00001000
  26 #define PPC_FEATURE_PA6T                0x00000800
  27 #define PPC_FEATURE_HAS_DFP             0x00000400
  28 #define PPC_FEATURE_POWER6_EXT          0x00000200
  29
  30 #define PPC_FEATURE_TRUE_LE             0x00000002
  31 #define PPC_FEATURE_PPC_LE              0x00000001
  32
  33 #ifdef __KERNEL__
  34 #ifndef __ASSEMBLY__
  35
  36 /* This structure can grow, it's real size is used by head.S code
  37  * via the mkdefs mechanism.
  38  */
  39 struct cpu_spec;
  40
  41 typedef void (*cpu_setup_t)(unsigned long offset, struct cpu_spec* spec);
  42 typedef void (*cpu_restore_t)(void);
  43
  44 enum powerpc_oprofile_type {
  45         PPC_OPROFILE_INVALID = 0,
  46         PPC_OPROFILE_RS64 = 1,
  47         PPC_OPROFILE_POWER4 = 2,
  48         PPC_OPROFILE_G4 = 3,
  49         PPC_OPROFILE_BOOKE = 4,
  50         PPC_OPROFILE_CELL = 5,
  51         PPC_OPROFILE_PA6T = 6,
  52 };
  53
  54 enum powerpc_pmc_type {
  55         PPC_PMC_DEFAULT = 0,
  56         PPC_PMC_IBM = 1,
  57         PPC_PMC_PA6T = 2,
  58 };
  59
  60 struct cpu_spec {
  61         /* CPU is matched via (PVR & pvr_mask) == pvr_value */
  62         unsigned int    pvr_mask;
  63         unsigned int    pvr_value;
  64
  65         char            *cpu_name;
  66         unsigned long   cpu_features;           /* Kernel features */
  67         unsigned int    cpu_user_features;      /* Userland features */
  68
  69         /* cache line sizes */
  70         unsigned int    icache_bsize;
  71         unsigned int    dcache_bsize;
  72
  73         /* number of performance monitor counters */
  74         unsigned int    num_pmcs;
  75         enum powerpc_pmc_type pmc_type;
  76
  77         /* this is called to initialize various CPU bits like L1 cache,
  78          * BHT, SPD, etc... from head.S before branching to identify_machine
  79          */
  80         cpu_setup_t     cpu_setup;
  81         /* Used to restore cpu setup on secondary processors and at resume */
  82         cpu_restore_t   cpu_restore;
  83
  84         /* Used by oprofile userspace to select the right counters */
  85         char            *oprofile_cpu_type;
  86
  87         /* Processor specific oprofile operations */
  88         enum powerpc_oprofile_type oprofile_type;
  89
  90         /* Bit locations inside the mmcra change */
  91         unsigned long   oprofile_mmcra_sihv;
  92         unsigned long   oprofile_mmcra_sipr;
  93
  94         /* Bits to clear during an oprofile exception */
  95         unsigned long   oprofile_mmcra_clear;
  96
  97         /* Name of processor class, for the ELF AT_PLATFORM entry */
  98         char            *platform;
  99 };
 100
 101 extern struct cpu_spec          *cur_cpu_spec;
 102
 103 extern unsigned int __start___ftr_fixup, __stop___ftr_fixup;
 104
 105 extern struct cpu_spec *identify_cpu(unsigned long offset, unsigned int pvr);
 106 extern void do_feature_fixups(unsigned long value, void *fixup_start,
 107                               void *fixup_end);
 108
 109 #endif /* __ASSEMBLY__ */
 110
 111 /* CPU kernel features */
 112
 113 /* Retain the 32b definitions all use bottom half of word */
 114 #define CPU_FTR_SPLIT_ID_CACHE          ASM_CONST(0x0000000000000001)
 115 #define CPU_FTR_L2CR                    ASM_CONST(0x0000000000000002)
 116 #define CPU_FTR_SPEC7450                ASM_CONST(0x0000000000000004)
 117 #define CPU_FTR_ALTIVEC                 ASM_CONST(0x0000000000000008)
 118 #define CPU_FTR_TAU                     ASM_CONST(0x0000000000000010)
 119 #define CPU_FTR_CAN_DOZE                ASM_CONST(0x0000000000000020)
 120 #define CPU_FTR_USE_TB                  ASM_CONST(0x0000000000000040)
 121 #define CPU_FTR_604_PERF_MON            ASM_CONST(0x0000000000000080)
 122 #define CPU_FTR_601                     ASM_CONST(0x0000000000000100)
 123 #define CPU_FTR_HPTE_TABLE              ASM_CONST(0x0000000000000200)
 124 #define CPU_FTR_CAN_NAP                 ASM_CONST(0x0000000000000400)
 125 #define CPU_FTR_L3CR                    ASM_CONST(0x0000000000000800)
 126 #define CPU_FTR_L3_DISABLE_NAP          ASM_CONST(0x0000000000001000)
 127 #define CPU_FTR_NAP_DISABLE_L2_PR       ASM_CONST(0x0000000000002000)
 128 #define CPU_FTR_DUAL_PLL_750FX          ASM_CONST(0x0000000000004000)
 129 #define CPU_FTR_NO_DPM                  ASM_CONST(0x0000000000008000)
 130 #define CPU_FTR_HAS_HIGH_BATS           ASM_CONST(0x0000000000010000)
 131 #define CPU_FTR_NEED_COHERENT           ASM_CONST(0x0000000000020000)
 132 #define CPU_FTR_NO_BTIC                 ASM_CONST(0x0000000000040000)
 133 #define CPU_FTR_BIG_PHYS                ASM_CONST(0x0000000000080000)
 134 #define CPU_FTR_NODSISRALIGN            ASM_CONST(0x0000000000100000)
 135 #define CPU_FTR_PPC_LE                  ASM_CONST(0x0000000000200000)
 136 #define CPU_FTR_REAL_LE                 ASM_CONST(0x0000000000400000)
 137 #define CPU_FTR_FPU_UNAVAILABLE         ASM_CONST(0x0000000000800000)
 138
 139 /*
 140  * Add the 64-bit processor unique features in the top half of the word;
 141  * on 32-bit, make the names available but defined to be 0.
 142  */
 143 #ifdef __powerpc64__
 144 #define LONG_ASM_CONST(x)               ASM_CONST(x)
 145 #else
 146 #define LONG_ASM_CONST(x)               0
 147 #endif
 148
 149 #define CPU_FTR_SLB                     LONG_ASM_CONST(0x0000000100000000)
 150 #define CPU_FTR_16M_PAGE                LONG_ASM_CONST(0x0000000200000000)
 151 #define CPU_FTR_TLBIEL                  LONG_ASM_CONST(0x0000000400000000)
 152 #define CPU_FTR_NOEXECUTE               LONG_ASM_CONST(0x0000000800000000)
 153 #define CPU_FTR_IABR                    LONG_ASM_CONST(0x0000002000000000)
 154 #define CPU_FTR_MMCRA                   LONG_ASM_CONST(0x0000004000000000)
 155 #define CPU_FTR_CTRL                    LONG_ASM_CONST(0x0000008000000000)
 156 #define CPU_FTR_SMT                     LONG_ASM_CONST(0x0000010000000000)
 157 #define CPU_FTR_COHERENT_ICACHE         LONG_ASM_CONST(0x0000020000000000)
 158 #define CPU_FTR_LOCKLESS_TLBIE          LONG_ASM_CONST(0x0000040000000000)
 159 #define CPU_FTR_CI_LARGE_PAGE           LONG_ASM_CONST(0x0000100000000000)
 160 #define CPU_FTR_PAUSE_ZERO              LONG_ASM_CONST(0x0000200000000000)
 161 #define CPU_FTR_PURR                    LONG_ASM_CONST(0x0000400000000000)
 162 #define CPU_FTR_CELL_TB_BUG             LONG_ASM_CONST(0x0000800000000000)
 163 #define CPU_FTR_SPURR                   LONG_ASM_CONST(0x0001000000000000)
 164 #define CPU_FTR_DSCR                    LONG_ASM_CONST(0x0002000000000000)
 165
 166 #ifndef __ASSEMBLY__
 167
 168 #define CPU_FTR_PPCAS_ARCH_V2   (CPU_FTR_SLB | \
 169                                  CPU_FTR_TLBIEL | CPU_FTR_NOEXECUTE | \
 170                                  CPU_FTR_NODSISRALIGN | CPU_FTR_16M_PAGE)
 171
 172 /* We only set the altivec features if the kernel was compiled with altivec
 173  * support
 174  */
 175 #ifdef CONFIG_ALTIVEC
 176 #define CPU_FTR_ALTIVEC_COMP    CPU_FTR_ALTIVEC
 177 #define PPC_FEATURE_HAS_ALTIVEC_COMP PPC_FEATURE_HAS_ALTIVEC
 178 #else
 179 #define CPU_FTR_ALTIVEC_COMP    0
 180 #define PPC_FEATURE_HAS_ALTIVEC_COMP    0
 181 #endif
 182
 183 /* We need to mark all pages as being coherent if we're SMP or we
 184  * have a 74[45]x and an MPC107 host bridge. Also 83xx requires
 185  * it for PCI "streaming/prefetch" to work properly.
 186  */
 187 #if defined(CONFIG_SMP) || defined(CONFIG_MPC10X_BRIDGE) \
 188         || defined(CONFIG_PPC_83xx)
 189 #define CPU_FTR_COMMON                  CPU_FTR_NEED_COHERENT
 190 #else
 191 #define CPU_FTR_COMMON                  0
 192 #endif
 193
 194 /* The powersave features NAP & DOZE seems to confuse BDI when
 195    debugging. So if a BDI is used, disable theses
 196  */
 197 #ifndef CONFIG_BDI_SWITCH
 198 #define CPU_FTR_MAYBE_CAN_DOZE  CPU_FTR_CAN_DOZE
 199 #define CPU_FTR_MAYBE_CAN_NAP   CPU_FTR_CAN_NAP
 200 #else
 201 #define CPU_FTR_MAYBE_CAN_DOZE  0
 202 #define CPU_FTR_MAYBE_CAN_NAP   0
 203 #endif
 204
 205 #define CLASSIC_PPC (!defined(CONFIG_8xx) && !defined(CONFIG_4xx) && \
 206                      !defined(CONFIG_POWER3) && !defined(CONFIG_POWER4) && \
 207                      !defined(CONFIG_BOOKE))
 208
 209 #define CPU_FTRS_PPC601 (CPU_FTR_COMMON | CPU_FTR_601 | CPU_FTR_HPTE_TABLE)
 210 #define CPU_FTRS_603    (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
 211             CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | \
 212             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
 213 #define CPU_FTRS_604    (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
 214             CPU_FTR_USE_TB | CPU_FTR_604_PERF_MON | CPU_FTR_HPTE_TABLE | \
 215             CPU_FTR_PPC_LE)
 216 #define CPU_FTRS_740_NOTAU      (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
 217             CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
 218             CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
 219 #define CPU_FTRS_740    (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
 220             CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
 221             CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \
 222             CPU_FTR_PPC_LE)
 223 #define CPU_FTRS_750    (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
 224             CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
 225             CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \
 226             CPU_FTR_PPC_LE)
 227 #define CPU_FTRS_750CL  (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
 228             CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
 229             CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \
 230             CPU_FTR_HAS_HIGH_BATS | CPU_FTR_PPC_LE)
 231 #define CPU_FTRS_750FX1 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
 232             CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
 233             CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \
 234             CPU_FTR_DUAL_PLL_750FX | CPU_FTR_NO_DPM | CPU_FTR_PPC_LE)
 235 #define CPU_FTRS_750FX2 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
 236             CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
 237             CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \
 238             CPU_FTR_NO_DPM | CPU_FTR_PPC_LE)
 239 #define CPU_FTRS_750FX  (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
 240             CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
 241             CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \
 242             CPU_FTR_DUAL_PLL_750FX | CPU_FTR_HAS_HIGH_BATS | CPU_FTR_PPC_LE)
 243 #define CPU_FTRS_750GX  (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
 244             CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
 245             CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \
 246             CPU_FTR_DUAL_PLL_750FX | CPU_FTR_HAS_HIGH_BATS | CPU_FTR_PPC_LE)
 247 #define CPU_FTRS_7400_NOTAU     (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
 248             CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
 249             CPU_FTR_ALTIVEC_COMP | CPU_FTR_HPTE_TABLE | \
 250             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
 251 #define CPU_FTRS_7400   (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
 252             CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
 253             CPU_FTR_TAU | CPU_FTR_ALTIVEC_COMP | CPU_FTR_HPTE_TABLE | \
 254             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
 255 #define CPU_FTRS_7450_20        (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
 256             CPU_FTR_USE_TB | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
 257             CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
 258             CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
 259 #define CPU_FTRS_7450_21        (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
 260             CPU_FTR_USE_TB | \
 261             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
 262             CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
 263             CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \
 264             CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
 265 #define CPU_FTRS_7450_23        (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
 266             CPU_FTR_USE_TB | \
 267             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
 268             CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
 269             CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
 270 #define CPU_FTRS_7455_1 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
 271             CPU_FTR_USE_TB | \
 272             CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | CPU_FTR_L3CR | \
 273             CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | CPU_FTR_HAS_HIGH_BATS | \
 274             CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
 275 #define CPU_FTRS_7455_20        (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
 276             CPU_FTR_USE_TB | \
 277             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
 278             CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
 279             CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \
 280             CPU_FTR_NEED_COHERENT | CPU_FTR_HAS_HIGH_BATS | CPU_FTR_PPC_LE)
 281 #define CPU_FTRS_7455   (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
 282             CPU_FTR_USE_TB | \
 283             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
 284             CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
 285             CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
 286             CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
 287 #define CPU_FTRS_7447_10        (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
 288             CPU_FTR_USE_TB | \
 289             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
 290             CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
 291             CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
 292             CPU_FTR_NEED_COHERENT | CPU_FTR_NO_BTIC | CPU_FTR_PPC_LE)
 293 #define CPU_FTRS_7447   (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
 294             CPU_FTR_USE_TB | \
 295             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
 296             CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
 297             CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
 298             CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
 299 #define CPU_FTRS_7447A  (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
 300             CPU_FTR_USE_TB | \
 301             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
 302             CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
 303             CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
 304             CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
 305 #define CPU_FTRS_7448   (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
 306             CPU_FTR_USE_TB | \
 307             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
 308             CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
 309             CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
 310             CPU_FTR_PPC_LE)
 311 #define CPU_FTRS_82XX   (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
 312             CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB)
 313 #define CPU_FTRS_G2_LE  (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE | \
 314             CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_HAS_HIGH_BATS)
 315 #define CPU_FTRS_E300   (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE | \
 316             CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_HAS_HIGH_BATS | \
 317             CPU_FTR_COMMON)
 318 #define CPU_FTRS_E300C2 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE | \
 319             CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_HAS_HIGH_BATS | \
 320             CPU_FTR_COMMON | CPU_FTR_FPU_UNAVAILABLE)
 321 #define CPU_FTRS_CLASSIC32      (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
 322             CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE)
 323 #define CPU_FTRS_8XX    (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB)
 324 #define CPU_FTRS_40X    (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
 325             CPU_FTR_NODSISRALIGN)
 326 #define CPU_FTRS_44X    (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
 327             CPU_FTR_NODSISRALIGN)
 328 #define CPU_FTRS_E200   (CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN)
 329 #define CPU_FTRS_E500   (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
 330             CPU_FTR_NODSISRALIGN)
 331 #define CPU_FTRS_E500_2 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
 332             CPU_FTR_BIG_PHYS | CPU_FTR_NODSISRALIGN)
 333 #define CPU_FTRS_GENERIC_32     (CPU_FTR_COMMON | CPU_FTR_NODSISRALIGN)
 334
 335 /* 64-bit CPUs */
 336 #define CPU_FTRS_POWER3 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
 337             CPU_FTR_HPTE_TABLE | CPU_FTR_IABR | CPU_FTR_PPC_LE)
 338 #define CPU_FTRS_RS64   (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
 339             CPU_FTR_HPTE_TABLE | CPU_FTR_IABR | \
 340             CPU_FTR_MMCRA | CPU_FTR_CTRL)
 341 #define CPU_FTRS_POWER4 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
 342             CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
 343             CPU_FTR_MMCRA)
 344 #define CPU_FTRS_PPC970 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
 345             CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
 346             CPU_FTR_ALTIVEC_COMP | CPU_FTR_CAN_NAP | CPU_FTR_MMCRA)
 347 #define CPU_FTRS_POWER5 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
 348             CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
 349             CPU_FTR_MMCRA | CPU_FTR_SMT | \
 350             CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \
 351             CPU_FTR_PURR)
 352 #define CPU_FTRS_POWER6 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
 353             CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
 354             CPU_FTR_MMCRA | CPU_FTR_SMT | \
 355             CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \
 356             CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
 357             CPU_FTR_DSCR)
 358 #define CPU_FTRS_CELL   (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
 359             CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
 360             CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \
 361             CPU_FTR_PAUSE_ZERO | CPU_FTR_CI_LARGE_PAGE | CPU_FTR_CELL_TB_BUG)
 362 #define CPU_FTRS_PA6T (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
 363             CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | \
 364             CPU_FTR_ALTIVEC_COMP | CPU_FTR_CI_LARGE_PAGE | \
 365             CPU_FTR_PURR | CPU_FTR_REAL_LE)
 366 #define CPU_FTRS_COMPATIBLE     (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
 367             CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2)
 368
 369 #ifdef __powerpc64__
 370 #define CPU_FTRS_POSSIBLE       \
 371             (CPU_FTRS_POWER3 | CPU_FTRS_RS64 | CPU_FTRS_POWER4 |        \
 372             CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | CPU_FTRS_POWER6 |       \
 373             CPU_FTRS_CELL | CPU_FTRS_PA6T)
 374 #else
 375 enum {
 376         CPU_FTRS_POSSIBLE =
 377 #if CLASSIC_PPC
 378             CPU_FTRS_PPC601 | CPU_FTRS_603 | CPU_FTRS_604 | CPU_FTRS_740_NOTAU |
 379             CPU_FTRS_740 | CPU_FTRS_750 | CPU_FTRS_750FX1 |
 380             CPU_FTRS_750FX2 | CPU_FTRS_750FX | CPU_FTRS_750GX |
 381             CPU_FTRS_7400_NOTAU | CPU_FTRS_7400 | CPU_FTRS_7450_20 |
 382             CPU_FTRS_7450_21 | CPU_FTRS_7450_23 | CPU_FTRS_7455_1 |
 383             CPU_FTRS_7455_20 | CPU_FTRS_7455 | CPU_FTRS_7447_10 |
 384             CPU_FTRS_7447 | CPU_FTRS_7447A | CPU_FTRS_82XX |
 385             CPU_FTRS_G2_LE | CPU_FTRS_E300 | CPU_FTRS_E300C2 |
 386             CPU_FTRS_CLASSIC32 |
 387 #else
 388             CPU_FTRS_GENERIC_32 |
 389 #endif
 390 #ifdef CONFIG_8xx
 391             CPU_FTRS_8XX |
 392 #endif
 393 #ifdef CONFIG_40x
 394             CPU_FTRS_40X |
 395 #endif
 396 #ifdef CONFIG_44x
 397             CPU_FTRS_44X |
 398 #endif
 399 #ifdef CONFIG_E200
 400             CPU_FTRS_E200 |
 401 #endif
 402 #ifdef CONFIG_E500
 403             CPU_FTRS_E500 | CPU_FTRS_E500_2 |
 404 #endif
 405             0,
 406 };
 407 #endif /* __powerpc64__ */
 408
 409 #ifdef __powerpc64__
 410 #define CPU_FTRS_ALWAYS         \
 411             (CPU_FTRS_POWER3 & CPU_FTRS_RS64 & CPU_FTRS_POWER4 &        \
 412             CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & CPU_FTRS_POWER6 &       \
 413             CPU_FTRS_CELL & CPU_FTRS_PA6T & CPU_FTRS_POSSIBLE)
 414 #else
 415 enum {
 416         CPU_FTRS_ALWAYS =
 417 #if CLASSIC_PPC
 418             CPU_FTRS_PPC601 & CPU_FTRS_603 & CPU_FTRS_604 & CPU_FTRS_740_NOTAU &
 419             CPU_FTRS_740 & CPU_FTRS_750 & CPU_FTRS_750FX1 &
 420             CPU_FTRS_750FX2 & CPU_FTRS_750FX & CPU_FTRS_750GX &
 421             CPU_FTRS_7400_NOTAU & CPU_FTRS_7400 & CPU_FTRS_7450_20 &
 422             CPU_FTRS_7450_21 & CPU_FTRS_7450_23 & CPU_FTRS_7455_1 &
 423             CPU_FTRS_7455_20 & CPU_FTRS_7455 & CPU_FTRS_7447_10 &
 424             CPU_FTRS_7447 & CPU_FTRS_7447A & CPU_FTRS_82XX &
 425             CPU_FTRS_G2_LE & CPU_FTRS_E300 & CPU_FTRS_E300C2 &
 426             CPU_FTRS_CLASSIC32 &
 427 #else
 428             CPU_FTRS_GENERIC_32 &
 429 #endif
 430 #ifdef CONFIG_8xx
 431             CPU_FTRS_8XX &
 432 #endif
 433 #ifdef CONFIG_40x
 434             CPU_FTRS_40X &
 435 #endif
 436 #ifdef CONFIG_44x
 437             CPU_FTRS_44X &
 438 #endif
 439 #ifdef CONFIG_E200
 440             CPU_FTRS_E200 &
 441 #endif
 442 #ifdef CONFIG_E500
 443             CPU_FTRS_E500 & CPU_FTRS_E500_2 &
 444 #endif
 445             CPU_FTRS_POSSIBLE,
 446 };
 447 #endif /* __powerpc64__ */
 448
 449 static inline int cpu_has_feature(unsigned long feature)
 450 {
 451         return (CPU_FTRS_ALWAYS & feature) ||
 452                (CPU_FTRS_POSSIBLE
 453                 & cur_cpu_spec->cpu_features
 454                 & feature);
 455 }
 456
 457 #endif /* !__ASSEMBLY__ */
 458
 459 #ifdef __ASSEMBLY__
 460
 461 #define BEGIN_FTR_SECTION_NESTED(label) label:
 462 #define BEGIN_FTR_SECTION               BEGIN_FTR_SECTION_NESTED(97)
 463 #define END_FTR_SECTION_NESTED(msk, val, label) \
 464         MAKE_FTR_SECTION_ENTRY(msk, val, label, __ftr_fixup)
 465 #define END_FTR_SECTION(msk, val)               \
 466         END_FTR_SECTION_NESTED(msk, val, 97)
 467
 468 #define END_FTR_SECTION_IFSET(msk)      END_FTR_SECTION((msk), (msk))
 469 #define END_FTR_SECTION_IFCLR(msk)      END_FTR_SECTION((msk), 0)
 470 #endif /* __ASSEMBLY__ */
 471
 472 #endif /* __KERNEL__ */
 473 #endif /* __ASM_POWERPC_CPUTABLE_H */