cputable.h 18 KB

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  1. #ifndef __ASM_POWERPC_CPUTABLE_H
  2. #define __ASM_POWERPC_CPUTABLE_H
  3. #include <asm/asm-compat.h>
  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_TRUE_LE 0x00000002
  26. #define PPC_FEATURE_PPC_LE 0x00000001
  27. #ifdef __KERNEL__
  28. #ifndef __ASSEMBLY__
  29. /* This structure can grow, it's real size is used by head.S code
  30. * via the mkdefs mechanism.
  31. */
  32. struct cpu_spec;
  33. typedef void (*cpu_setup_t)(unsigned long offset, struct cpu_spec* spec);
  34. typedef void (*cpu_restore_t)(void);
  35. enum powerpc_oprofile_type {
  36. PPC_OPROFILE_INVALID = 0,
  37. PPC_OPROFILE_RS64 = 1,
  38. PPC_OPROFILE_POWER4 = 2,
  39. PPC_OPROFILE_G4 = 3,
  40. PPC_OPROFILE_BOOKE = 4,
  41. };
  42. struct cpu_spec {
  43. /* CPU is matched via (PVR & pvr_mask) == pvr_value */
  44. unsigned int pvr_mask;
  45. unsigned int pvr_value;
  46. char *cpu_name;
  47. unsigned long cpu_features; /* Kernel features */
  48. unsigned int cpu_user_features; /* Userland features */
  49. /* cache line sizes */
  50. unsigned int icache_bsize;
  51. unsigned int dcache_bsize;
  52. /* number of performance monitor counters */
  53. unsigned int num_pmcs;
  54. /* this is called to initialize various CPU bits like L1 cache,
  55. * BHT, SPD, etc... from head.S before branching to identify_machine
  56. */
  57. cpu_setup_t cpu_setup;
  58. /* Used to restore cpu setup on secondary processors and at resume */
  59. cpu_restore_t cpu_restore;
  60. /* Used by oprofile userspace to select the right counters */
  61. char *oprofile_cpu_type;
  62. /* Processor specific oprofile operations */
  63. enum powerpc_oprofile_type oprofile_type;
  64. /* Bit locations inside the mmcra change */
  65. unsigned long oprofile_mmcra_sihv;
  66. unsigned long oprofile_mmcra_sipr;
  67. /* Bits to clear during an oprofile exception */
  68. unsigned long oprofile_mmcra_clear;
  69. /* Name of processor class, for the ELF AT_PLATFORM entry */
  70. char *platform;
  71. };
  72. extern struct cpu_spec *cur_cpu_spec;
  73. extern unsigned int __start___ftr_fixup, __stop___ftr_fixup;
  74. extern struct cpu_spec *identify_cpu(unsigned long offset);
  75. extern void do_feature_fixups(unsigned long offset, unsigned long value,
  76. void *fixup_start, void *fixup_end);
  77. #endif /* __ASSEMBLY__ */
  78. /* CPU kernel features */
  79. /* Retain the 32b definitions all use bottom half of word */
  80. #define CPU_FTR_SPLIT_ID_CACHE ASM_CONST(0x0000000000000001)
  81. #define CPU_FTR_L2CR ASM_CONST(0x0000000000000002)
  82. #define CPU_FTR_SPEC7450 ASM_CONST(0x0000000000000004)
  83. #define CPU_FTR_ALTIVEC ASM_CONST(0x0000000000000008)
  84. #define CPU_FTR_TAU ASM_CONST(0x0000000000000010)
  85. #define CPU_FTR_CAN_DOZE ASM_CONST(0x0000000000000020)
  86. #define CPU_FTR_USE_TB ASM_CONST(0x0000000000000040)
  87. #define CPU_FTR_604_PERF_MON ASM_CONST(0x0000000000000080)
  88. #define CPU_FTR_601 ASM_CONST(0x0000000000000100)
  89. #define CPU_FTR_HPTE_TABLE ASM_CONST(0x0000000000000200)
  90. #define CPU_FTR_CAN_NAP ASM_CONST(0x0000000000000400)
  91. #define CPU_FTR_L3CR ASM_CONST(0x0000000000000800)
  92. #define CPU_FTR_L3_DISABLE_NAP ASM_CONST(0x0000000000001000)
  93. #define CPU_FTR_NAP_DISABLE_L2_PR ASM_CONST(0x0000000000002000)
  94. #define CPU_FTR_DUAL_PLL_750FX ASM_CONST(0x0000000000004000)
  95. #define CPU_FTR_NO_DPM ASM_CONST(0x0000000000008000)
  96. #define CPU_FTR_HAS_HIGH_BATS ASM_CONST(0x0000000000010000)
  97. #define CPU_FTR_NEED_COHERENT ASM_CONST(0x0000000000020000)
  98. #define CPU_FTR_NO_BTIC ASM_CONST(0x0000000000040000)
  99. #define CPU_FTR_BIG_PHYS ASM_CONST(0x0000000000080000)
  100. #define CPU_FTR_NODSISRALIGN ASM_CONST(0x0000000000100000)
  101. #define CPU_FTR_PPC_LE ASM_CONST(0x0000000000200000)
  102. #define CPU_FTR_REAL_LE ASM_CONST(0x0000000000400000)
  103. /*
  104. * Add the 64-bit processor unique features in the top half of the word;
  105. * on 32-bit, make the names available but defined to be 0.
  106. */
  107. #ifdef __powerpc64__
  108. #define LONG_ASM_CONST(x) ASM_CONST(x)
  109. #else
  110. #define LONG_ASM_CONST(x) 0
  111. #endif
  112. #define CPU_FTR_SLB LONG_ASM_CONST(0x0000000100000000)
  113. #define CPU_FTR_16M_PAGE LONG_ASM_CONST(0x0000000200000000)
  114. #define CPU_FTR_TLBIEL LONG_ASM_CONST(0x0000000400000000)
  115. #define CPU_FTR_NOEXECUTE LONG_ASM_CONST(0x0000000800000000)
  116. #define CPU_FTR_IABR LONG_ASM_CONST(0x0000002000000000)
  117. #define CPU_FTR_MMCRA LONG_ASM_CONST(0x0000004000000000)
  118. #define CPU_FTR_CTRL LONG_ASM_CONST(0x0000008000000000)
  119. #define CPU_FTR_SMT LONG_ASM_CONST(0x0000010000000000)
  120. #define CPU_FTR_COHERENT_ICACHE LONG_ASM_CONST(0x0000020000000000)
  121. #define CPU_FTR_LOCKLESS_TLBIE LONG_ASM_CONST(0x0000040000000000)
  122. #define CPU_FTR_CI_LARGE_PAGE LONG_ASM_CONST(0x0000100000000000)
  123. #define CPU_FTR_PAUSE_ZERO LONG_ASM_CONST(0x0000200000000000)
  124. #define CPU_FTR_PURR LONG_ASM_CONST(0x0000400000000000)
  125. #ifndef __ASSEMBLY__
  126. #define CPU_FTR_PPCAS_ARCH_V2_BASE (CPU_FTR_SLB | \
  127. CPU_FTR_TLBIEL | CPU_FTR_NOEXECUTE | \
  128. CPU_FTR_NODSISRALIGN)
  129. /* iSeries doesn't support large pages */
  130. #ifdef CONFIG_PPC_ISERIES
  131. #define CPU_FTR_PPCAS_ARCH_V2 (CPU_FTR_PPCAS_ARCH_V2_BASE)
  132. #else
  133. #define CPU_FTR_PPCAS_ARCH_V2 (CPU_FTR_PPCAS_ARCH_V2_BASE | CPU_FTR_16M_PAGE)
  134. #endif /* CONFIG_PPC_ISERIES */
  135. /* We only set the altivec features if the kernel was compiled with altivec
  136. * support
  137. */
  138. #ifdef CONFIG_ALTIVEC
  139. #define CPU_FTR_ALTIVEC_COMP CPU_FTR_ALTIVEC
  140. #define PPC_FEATURE_HAS_ALTIVEC_COMP PPC_FEATURE_HAS_ALTIVEC
  141. #else
  142. #define CPU_FTR_ALTIVEC_COMP 0
  143. #define PPC_FEATURE_HAS_ALTIVEC_COMP 0
  144. #endif
  145. /* We need to mark all pages as being coherent if we're SMP or we
  146. * have a 74[45]x and an MPC107 host bridge. Also 83xx requires
  147. * it for PCI "streaming/prefetch" to work properly.
  148. */
  149. #if defined(CONFIG_SMP) || defined(CONFIG_MPC10X_BRIDGE) \
  150. || defined(CONFIG_PPC_83xx)
  151. #define CPU_FTR_COMMON CPU_FTR_NEED_COHERENT
  152. #else
  153. #define CPU_FTR_COMMON 0
  154. #endif
  155. /* The powersave features NAP & DOZE seems to confuse BDI when
  156. debugging. So if a BDI is used, disable theses
  157. */
  158. #ifndef CONFIG_BDI_SWITCH
  159. #define CPU_FTR_MAYBE_CAN_DOZE CPU_FTR_CAN_DOZE
  160. #define CPU_FTR_MAYBE_CAN_NAP CPU_FTR_CAN_NAP
  161. #else
  162. #define CPU_FTR_MAYBE_CAN_DOZE 0
  163. #define CPU_FTR_MAYBE_CAN_NAP 0
  164. #endif
  165. #define CLASSIC_PPC (!defined(CONFIG_8xx) && !defined(CONFIG_4xx) && \
  166. !defined(CONFIG_POWER3) && !defined(CONFIG_POWER4) && \
  167. !defined(CONFIG_BOOKE))
  168. #define CPU_FTRS_PPC601 (CPU_FTR_COMMON | CPU_FTR_601 | CPU_FTR_HPTE_TABLE)
  169. #define CPU_FTRS_603 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
  170. CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | \
  171. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
  172. #define CPU_FTRS_604 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
  173. CPU_FTR_USE_TB | CPU_FTR_604_PERF_MON | CPU_FTR_HPTE_TABLE | \
  174. CPU_FTR_PPC_LE)
  175. #define CPU_FTRS_740_NOTAU (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
  176. CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
  177. CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
  178. #define CPU_FTRS_740 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
  179. CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
  180. CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \
  181. CPU_FTR_PPC_LE)
  182. #define CPU_FTRS_750 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
  183. CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
  184. CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \
  185. CPU_FTR_PPC_LE)
  186. #define CPU_FTRS_750FX1 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
  187. CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
  188. CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \
  189. CPU_FTR_DUAL_PLL_750FX | CPU_FTR_NO_DPM | CPU_FTR_PPC_LE)
  190. #define CPU_FTRS_750FX2 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
  191. CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
  192. CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \
  193. CPU_FTR_NO_DPM | CPU_FTR_PPC_LE)
  194. #define CPU_FTRS_750FX (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
  195. CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
  196. CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \
  197. CPU_FTR_DUAL_PLL_750FX | CPU_FTR_HAS_HIGH_BATS | CPU_FTR_PPC_LE)
  198. #define CPU_FTRS_750GX (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE | \
  199. CPU_FTR_USE_TB | CPU_FTR_L2CR | CPU_FTR_TAU | \
  200. CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \
  201. CPU_FTR_DUAL_PLL_750FX | CPU_FTR_HAS_HIGH_BATS | CPU_FTR_PPC_LE)
  202. #define CPU_FTRS_7400_NOTAU (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
  203. CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
  204. CPU_FTR_ALTIVEC_COMP | CPU_FTR_HPTE_TABLE | \
  205. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
  206. #define CPU_FTRS_7400 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
  207. CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
  208. CPU_FTR_TAU | CPU_FTR_ALTIVEC_COMP | CPU_FTR_HPTE_TABLE | \
  209. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
  210. #define CPU_FTRS_7450_20 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
  211. CPU_FTR_USE_TB | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
  212. CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
  213. CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
  214. #define CPU_FTRS_7450_21 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
  215. CPU_FTR_USE_TB | \
  216. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
  217. CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
  218. CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \
  219. CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
  220. #define CPU_FTRS_7450_23 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
  221. CPU_FTR_USE_TB | \
  222. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
  223. CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
  224. CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
  225. #define CPU_FTRS_7455_1 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
  226. CPU_FTR_USE_TB | \
  227. CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | CPU_FTR_L3CR | \
  228. CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | CPU_FTR_HAS_HIGH_BATS | \
  229. CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
  230. #define CPU_FTRS_7455_20 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
  231. CPU_FTR_USE_TB | \
  232. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
  233. CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
  234. CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \
  235. CPU_FTR_NEED_COHERENT | CPU_FTR_HAS_HIGH_BATS | CPU_FTR_PPC_LE)
  236. #define CPU_FTRS_7455 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
  237. CPU_FTR_USE_TB | \
  238. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
  239. CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
  240. CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
  241. CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
  242. #define CPU_FTRS_7447_10 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
  243. CPU_FTR_USE_TB | \
  244. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
  245. CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
  246. CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
  247. CPU_FTR_NEED_COHERENT | CPU_FTR_NO_BTIC | CPU_FTR_PPC_LE)
  248. #define CPU_FTRS_7447 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
  249. CPU_FTR_USE_TB | \
  250. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
  251. CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
  252. CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
  253. CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
  254. #define CPU_FTRS_7447A (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
  255. CPU_FTR_USE_TB | \
  256. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
  257. CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
  258. CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
  259. CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
  260. #define CPU_FTRS_82XX (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
  261. CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB)
  262. #define CPU_FTRS_G2_LE (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE | \
  263. CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_HAS_HIGH_BATS)
  264. #define CPU_FTRS_E300 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE | \
  265. CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_HAS_HIGH_BATS | \
  266. CPU_FTR_COMMON)
  267. #define CPU_FTRS_CLASSIC32 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
  268. CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE)
  269. #define CPU_FTRS_8XX (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB)
  270. #define CPU_FTRS_40X (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
  271. CPU_FTR_NODSISRALIGN)
  272. #define CPU_FTRS_44X (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
  273. CPU_FTR_NODSISRALIGN)
  274. #define CPU_FTRS_E200 (CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN)
  275. #define CPU_FTRS_E500 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
  276. CPU_FTR_NODSISRALIGN)
  277. #define CPU_FTRS_E500_2 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
  278. CPU_FTR_BIG_PHYS | CPU_FTR_NODSISRALIGN)
  279. #define CPU_FTRS_GENERIC_32 (CPU_FTR_COMMON | CPU_FTR_NODSISRALIGN)
  280. #ifdef __powerpc64__
  281. #define CPU_FTRS_POWER3 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
  282. CPU_FTR_HPTE_TABLE | CPU_FTR_IABR | CPU_FTR_PPC_LE)
  283. #define CPU_FTRS_RS64 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
  284. CPU_FTR_HPTE_TABLE | CPU_FTR_IABR | \
  285. CPU_FTR_MMCRA | CPU_FTR_CTRL)
  286. #define CPU_FTRS_POWER4 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
  287. CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
  288. CPU_FTR_MMCRA)
  289. #define CPU_FTRS_PPC970 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
  290. CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
  291. CPU_FTR_ALTIVEC_COMP | CPU_FTR_CAN_NAP | CPU_FTR_MMCRA)
  292. #define CPU_FTRS_POWER5 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
  293. CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
  294. CPU_FTR_MMCRA | CPU_FTR_SMT | \
  295. CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \
  296. CPU_FTR_PURR)
  297. #define CPU_FTRS_POWER6 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
  298. CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
  299. CPU_FTR_MMCRA | CPU_FTR_SMT | \
  300. CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \
  301. CPU_FTR_PURR | CPU_FTR_CI_LARGE_PAGE | CPU_FTR_REAL_LE)
  302. #define CPU_FTRS_CELL (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
  303. CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
  304. CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \
  305. CPU_FTR_PAUSE_ZERO | CPU_FTR_CI_LARGE_PAGE)
  306. #define CPU_FTRS_PA6T (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
  307. CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | \
  308. CPU_FTR_ALTIVEC_COMP | CPU_FTR_CI_LARGE_PAGE | \
  309. CPU_FTR_PURR | CPU_FTR_REAL_LE)
  310. #define CPU_FTRS_COMPATIBLE (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
  311. CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2)
  312. #endif
  313. #ifdef __powerpc64__
  314. #define CPU_FTRS_POSSIBLE \
  315. (CPU_FTRS_POWER3 | CPU_FTRS_RS64 | CPU_FTRS_POWER4 | \
  316. CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | CPU_FTRS_POWER6 | \
  317. CPU_FTRS_CELL | CPU_FTRS_PA6T)
  318. #else
  319. enum {
  320. CPU_FTRS_POSSIBLE =
  321. #if CLASSIC_PPC
  322. CPU_FTRS_PPC601 | CPU_FTRS_603 | CPU_FTRS_604 | CPU_FTRS_740_NOTAU |
  323. CPU_FTRS_740 | CPU_FTRS_750 | CPU_FTRS_750FX1 |
  324. CPU_FTRS_750FX2 | CPU_FTRS_750FX | CPU_FTRS_750GX |
  325. CPU_FTRS_7400_NOTAU | CPU_FTRS_7400 | CPU_FTRS_7450_20 |
  326. CPU_FTRS_7450_21 | CPU_FTRS_7450_23 | CPU_FTRS_7455_1 |
  327. CPU_FTRS_7455_20 | CPU_FTRS_7455 | CPU_FTRS_7447_10 |
  328. CPU_FTRS_7447 | CPU_FTRS_7447A | CPU_FTRS_82XX |
  329. CPU_FTRS_G2_LE | CPU_FTRS_E300 | CPU_FTRS_CLASSIC32 |
  330. #else
  331. CPU_FTRS_GENERIC_32 |
  332. #endif
  333. #ifdef CONFIG_8xx
  334. CPU_FTRS_8XX |
  335. #endif
  336. #ifdef CONFIG_40x
  337. CPU_FTRS_40X |
  338. #endif
  339. #ifdef CONFIG_44x
  340. CPU_FTRS_44X |
  341. #endif
  342. #ifdef CONFIG_E200
  343. CPU_FTRS_E200 |
  344. #endif
  345. #ifdef CONFIG_E500
  346. CPU_FTRS_E500 | CPU_FTRS_E500_2 |
  347. #endif
  348. 0,
  349. };
  350. #endif /* __powerpc64__ */
  351. #ifdef __powerpc64__
  352. #define CPU_FTRS_ALWAYS \
  353. (CPU_FTRS_POWER3 & CPU_FTRS_RS64 & CPU_FTRS_POWER4 & \
  354. CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & CPU_FTRS_POWER6 & \
  355. CPU_FTRS_CELL & CPU_FTRS_PA6T & CPU_FTRS_POSSIBLE)
  356. #else
  357. enum {
  358. CPU_FTRS_ALWAYS =
  359. #if CLASSIC_PPC
  360. CPU_FTRS_PPC601 & CPU_FTRS_603 & CPU_FTRS_604 & CPU_FTRS_740_NOTAU &
  361. CPU_FTRS_740 & CPU_FTRS_750 & CPU_FTRS_750FX1 &
  362. CPU_FTRS_750FX2 & CPU_FTRS_750FX & CPU_FTRS_750GX &
  363. CPU_FTRS_7400_NOTAU & CPU_FTRS_7400 & CPU_FTRS_7450_20 &
  364. CPU_FTRS_7450_21 & CPU_FTRS_7450_23 & CPU_FTRS_7455_1 &
  365. CPU_FTRS_7455_20 & CPU_FTRS_7455 & CPU_FTRS_7447_10 &
  366. CPU_FTRS_7447 & CPU_FTRS_7447A & CPU_FTRS_82XX &
  367. CPU_FTRS_G2_LE & CPU_FTRS_E300 & CPU_FTRS_CLASSIC32 &
  368. #else
  369. CPU_FTRS_GENERIC_32 &
  370. #endif
  371. #ifdef CONFIG_8xx
  372. CPU_FTRS_8XX &
  373. #endif
  374. #ifdef CONFIG_40x
  375. CPU_FTRS_40X &
  376. #endif
  377. #ifdef CONFIG_44x
  378. CPU_FTRS_44X &
  379. #endif
  380. #ifdef CONFIG_E200
  381. CPU_FTRS_E200 &
  382. #endif
  383. #ifdef CONFIG_E500
  384. CPU_FTRS_E500 & CPU_FTRS_E500_2 &
  385. #endif
  386. CPU_FTRS_POSSIBLE,
  387. };
  388. #endif /* __powerpc64__ */
  389. static inline int cpu_has_feature(unsigned long feature)
  390. {
  391. return (CPU_FTRS_ALWAYS & feature) ||
  392. (CPU_FTRS_POSSIBLE
  393. & cur_cpu_spec->cpu_features
  394. & feature);
  395. }
  396. #endif /* !__ASSEMBLY__ */
  397. #ifdef __ASSEMBLY__
  398. #define BEGIN_FTR_SECTION_NESTED(label) label:
  399. #define BEGIN_FTR_SECTION BEGIN_FTR_SECTION_NESTED(98)
  400. #ifndef __powerpc64__
  401. #define END_FTR_SECTION_NESTED(msk, val, label) \
  402. 99: \
  403. .section __ftr_fixup,"a"; \
  404. .align 2; \
  405. .long msk; \
  406. .long val; \
  407. .long label##b; \
  408. .long 99b; \
  409. .previous
  410. #else /* __powerpc64__ */
  411. #define END_FTR_SECTION_NESTED(msk, val, label) \
  412. 99: \
  413. .section __ftr_fixup,"a"; \
  414. .align 3; \
  415. .llong msk; \
  416. .llong val; \
  417. .llong label##b; \
  418. .llong 99b; \
  419. .previous
  420. #endif /* __powerpc64__ */
  421. #define END_FTR_SECTION(msk, val) \
  422. END_FTR_SECTION_NESTED(msk, val, 98)
  423. #define END_FTR_SECTION_IFSET(msk) END_FTR_SECTION((msk), (msk))
  424. #define END_FTR_SECTION_IFCLR(msk) END_FTR_SECTION((msk), 0)
  425. #endif /* __ASSEMBLY__ */
  426. #endif /* __KERNEL__ */
  427. #endif /* __ASM_POWERPC_CPUTABLE_H */