cputable.h 19 KB

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  1. #ifndef __ASM_POWERPC_CPUTABLE_H
  2. #define __ASM_POWERPC_CPUTABLE_H
  3. #define PPC_FEATURE_32 0x80000000
  4. #define PPC_FEATURE_64 0x40000000
  5. #define PPC_FEATURE_601_INSTR 0x20000000
  6. #define PPC_FEATURE_HAS_ALTIVEC 0x10000000
  7. #define PPC_FEATURE_HAS_FPU 0x08000000
  8. #define PPC_FEATURE_HAS_MMU 0x04000000
  9. #define PPC_FEATURE_HAS_4xxMAC 0x02000000
  10. #define PPC_FEATURE_UNIFIED_CACHE 0x01000000
  11. #define PPC_FEATURE_HAS_SPE 0x00800000
  12. #define PPC_FEATURE_HAS_EFP_SINGLE 0x00400000
  13. #define PPC_FEATURE_HAS_EFP_DOUBLE 0x00200000
  14. #define PPC_FEATURE_NO_TB 0x00100000
  15. #define PPC_FEATURE_POWER4 0x00080000
  16. #define PPC_FEATURE_POWER5 0x00040000
  17. #define PPC_FEATURE_POWER5_PLUS 0x00020000
  18. #define PPC_FEATURE_CELL 0x00010000
  19. #define PPC_FEATURE_BOOKE 0x00008000
  20. #define PPC_FEATURE_SMT 0x00004000
  21. #define PPC_FEATURE_ICACHE_SNOOP 0x00002000
  22. #define PPC_FEATURE_ARCH_2_05 0x00001000
  23. #define PPC_FEATURE_PA6T 0x00000800
  24. #define PPC_FEATURE_HAS_DFP 0x00000400
  25. #define PPC_FEATURE_POWER6_EXT 0x00000200
  26. #define PPC_FEATURE_ARCH_2_06 0x00000100
  27. #define PPC_FEATURE_TRUE_LE 0x00000002
  28. #define PPC_FEATURE_PPC_LE 0x00000001
  29. #ifdef __KERNEL__
  30. #include <asm/asm-compat.h>
  31. #ifndef __ASSEMBLY__
  32. /* This structure can grow, it's real size is used by head.S code
  33. * via the mkdefs mechanism.
  34. */
  35. struct cpu_spec;
  36. typedef void (*cpu_setup_t)(unsigned long offset, struct cpu_spec* spec);
  37. typedef void (*cpu_restore_t)(void);
  38. enum powerpc_oprofile_type {
  39. PPC_OPROFILE_INVALID = 0,
  40. PPC_OPROFILE_RS64 = 1,
  41. PPC_OPROFILE_POWER4 = 2,
  42. PPC_OPROFILE_G4 = 3,
  43. PPC_OPROFILE_FSL_EMB = 4,
  44. PPC_OPROFILE_CELL = 5,
  45. PPC_OPROFILE_PA6T = 6,
  46. };
  47. enum powerpc_pmc_type {
  48. PPC_PMC_DEFAULT = 0,
  49. PPC_PMC_IBM = 1,
  50. PPC_PMC_PA6T = 2,
  51. };
  52. struct pt_regs;
  53. extern int machine_check_generic(struct pt_regs *regs);
  54. extern int machine_check_4xx(struct pt_regs *regs);
  55. extern int machine_check_440A(struct pt_regs *regs);
  56. extern int machine_check_e500(struct pt_regs *regs);
  57. extern int machine_check_e200(struct pt_regs *regs);
  58. /* NOTE WELL: Update identify_cpu() if fields are added or removed! */
  59. struct cpu_spec {
  60. /* CPU is matched via (PVR & pvr_mask) == pvr_value */
  61. unsigned int pvr_mask;
  62. unsigned int pvr_value;
  63. char *cpu_name;
  64. unsigned long cpu_features; /* Kernel features */
  65. unsigned int cpu_user_features; /* Userland features */
  66. /* cache line sizes */
  67. unsigned int icache_bsize;
  68. unsigned int dcache_bsize;
  69. /* number of performance monitor counters */
  70. unsigned int num_pmcs;
  71. enum powerpc_pmc_type pmc_type;
  72. /* this is called to initialize various CPU bits like L1 cache,
  73. * BHT, SPD, etc... from head.S before branching to identify_machine
  74. */
  75. cpu_setup_t cpu_setup;
  76. /* Used to restore cpu setup on secondary processors and at resume */
  77. cpu_restore_t cpu_restore;
  78. /* Used by oprofile userspace to select the right counters */
  79. char *oprofile_cpu_type;
  80. /* Processor specific oprofile operations */
  81. enum powerpc_oprofile_type oprofile_type;
  82. /* Bit locations inside the mmcra change */
  83. unsigned long oprofile_mmcra_sihv;
  84. unsigned long oprofile_mmcra_sipr;
  85. /* Bits to clear during an oprofile exception */
  86. unsigned long oprofile_mmcra_clear;
  87. /* Name of processor class, for the ELF AT_PLATFORM entry */
  88. char *platform;
  89. /* Processor specific machine check handling. Return negative
  90. * if the error is fatal, 1 if it was fully recovered and 0 to
  91. * pass up (not CPU originated) */
  92. int (*machine_check)(struct pt_regs *regs);
  93. };
  94. extern struct cpu_spec *cur_cpu_spec;
  95. extern unsigned int __start___ftr_fixup, __stop___ftr_fixup;
  96. extern struct cpu_spec *identify_cpu(unsigned long offset, unsigned int pvr);
  97. extern void do_feature_fixups(unsigned long value, void *fixup_start,
  98. void *fixup_end);
  99. #endif /* __ASSEMBLY__ */
  100. /* CPU kernel features */
  101. /* Retain the 32b definitions all use bottom half of word */
  102. #define CPU_FTR_COHERENT_ICACHE ASM_CONST(0x0000000000000001)
  103. #define CPU_FTR_L2CR ASM_CONST(0x0000000000000002)
  104. #define CPU_FTR_SPEC7450 ASM_CONST(0x0000000000000004)
  105. #define CPU_FTR_ALTIVEC ASM_CONST(0x0000000000000008)
  106. #define CPU_FTR_TAU ASM_CONST(0x0000000000000010)
  107. #define CPU_FTR_CAN_DOZE ASM_CONST(0x0000000000000020)
  108. #define CPU_FTR_USE_TB ASM_CONST(0x0000000000000040)
  109. #define CPU_FTR_L2CSR ASM_CONST(0x0000000000000080)
  110. #define CPU_FTR_601 ASM_CONST(0x0000000000000100)
  111. #define CPU_FTR_HPTE_TABLE ASM_CONST(0x0000000000000200)
  112. #define CPU_FTR_CAN_NAP ASM_CONST(0x0000000000000400)
  113. #define CPU_FTR_L3CR ASM_CONST(0x0000000000000800)
  114. #define CPU_FTR_L3_DISABLE_NAP ASM_CONST(0x0000000000001000)
  115. #define CPU_FTR_NAP_DISABLE_L2_PR ASM_CONST(0x0000000000002000)
  116. #define CPU_FTR_DUAL_PLL_750FX ASM_CONST(0x0000000000004000)
  117. #define CPU_FTR_NO_DPM ASM_CONST(0x0000000000008000)
  118. #define CPU_FTR_HAS_HIGH_BATS ASM_CONST(0x0000000000010000)
  119. #define CPU_FTR_NEED_COHERENT ASM_CONST(0x0000000000020000)
  120. #define CPU_FTR_NO_BTIC ASM_CONST(0x0000000000040000)
  121. #define CPU_FTR_BIG_PHYS ASM_CONST(0x0000000000080000)
  122. #define CPU_FTR_NODSISRALIGN ASM_CONST(0x0000000000100000)
  123. #define CPU_FTR_PPC_LE ASM_CONST(0x0000000000200000)
  124. #define CPU_FTR_REAL_LE ASM_CONST(0x0000000000400000)
  125. #define CPU_FTR_FPU_UNAVAILABLE ASM_CONST(0x0000000000800000)
  126. #define CPU_FTR_UNIFIED_ID_CACHE ASM_CONST(0x0000000001000000)
  127. #define CPU_FTR_SPE ASM_CONST(0x0000000002000000)
  128. #define CPU_FTR_NEED_PAIRED_STWCX ASM_CONST(0x0000000004000000)
  129. /*
  130. * Add the 64-bit processor unique features in the top half of the word;
  131. * on 32-bit, make the names available but defined to be 0.
  132. */
  133. #ifdef __powerpc64__
  134. #define LONG_ASM_CONST(x) ASM_CONST(x)
  135. #else
  136. #define LONG_ASM_CONST(x) 0
  137. #endif
  138. #define CPU_FTR_SLB LONG_ASM_CONST(0x0000000100000000)
  139. #define CPU_FTR_16M_PAGE LONG_ASM_CONST(0x0000000200000000)
  140. #define CPU_FTR_TLBIEL LONG_ASM_CONST(0x0000000400000000)
  141. #define CPU_FTR_NOEXECUTE LONG_ASM_CONST(0x0000000800000000)
  142. #define CPU_FTR_IABR LONG_ASM_CONST(0x0000002000000000)
  143. #define CPU_FTR_MMCRA LONG_ASM_CONST(0x0000004000000000)
  144. #define CPU_FTR_CTRL LONG_ASM_CONST(0x0000008000000000)
  145. #define CPU_FTR_SMT LONG_ASM_CONST(0x0000010000000000)
  146. #define CPU_FTR_LOCKLESS_TLBIE LONG_ASM_CONST(0x0000040000000000)
  147. #define CPU_FTR_CI_LARGE_PAGE LONG_ASM_CONST(0x0000100000000000)
  148. #define CPU_FTR_PAUSE_ZERO LONG_ASM_CONST(0x0000200000000000)
  149. #define CPU_FTR_PURR LONG_ASM_CONST(0x0000400000000000)
  150. #define CPU_FTR_CELL_TB_BUG LONG_ASM_CONST(0x0000800000000000)
  151. #define CPU_FTR_SPURR LONG_ASM_CONST(0x0001000000000000)
  152. #define CPU_FTR_DSCR LONG_ASM_CONST(0x0002000000000000)
  153. #define CPU_FTR_1T_SEGMENT LONG_ASM_CONST(0x0004000000000000)
  154. #define CPU_FTR_NO_SLBIE_B LONG_ASM_CONST(0x0008000000000000)
  155. #ifndef __ASSEMBLY__
  156. #define CPU_FTR_PPCAS_ARCH_V2 (CPU_FTR_SLB | \
  157. CPU_FTR_TLBIEL | CPU_FTR_NOEXECUTE | \
  158. CPU_FTR_NODSISRALIGN | CPU_FTR_16M_PAGE)
  159. /* We only set the altivec features if the kernel was compiled with altivec
  160. * support
  161. */
  162. #ifdef CONFIG_ALTIVEC
  163. #define CPU_FTR_ALTIVEC_COMP CPU_FTR_ALTIVEC
  164. #define PPC_FEATURE_HAS_ALTIVEC_COMP PPC_FEATURE_HAS_ALTIVEC
  165. #else
  166. #define CPU_FTR_ALTIVEC_COMP 0
  167. #define PPC_FEATURE_HAS_ALTIVEC_COMP 0
  168. #endif
  169. /* We only set the spe features if the kernel was compiled with spe
  170. * support
  171. */
  172. #ifdef CONFIG_SPE
  173. #define CPU_FTR_SPE_COMP CPU_FTR_SPE
  174. #define PPC_FEATURE_HAS_SPE_COMP PPC_FEATURE_HAS_SPE
  175. #define PPC_FEATURE_HAS_EFP_SINGLE_COMP PPC_FEATURE_HAS_EFP_SINGLE
  176. #define PPC_FEATURE_HAS_EFP_DOUBLE_COMP PPC_FEATURE_HAS_EFP_DOUBLE
  177. #else
  178. #define CPU_FTR_SPE_COMP 0
  179. #define PPC_FEATURE_HAS_SPE_COMP 0
  180. #define PPC_FEATURE_HAS_EFP_SINGLE_COMP 0
  181. #define PPC_FEATURE_HAS_EFP_DOUBLE_COMP 0
  182. #endif
  183. /* We need to mark all pages as being coherent if we're SMP or we have a
  184. * 74[45]x and an MPC107 host bridge. Also 83xx and PowerQUICC II
  185. * require it for PCI "streaming/prefetch" to work properly.
  186. */
  187. #if defined(CONFIG_SMP) || defined(CONFIG_MPC10X_BRIDGE) \
  188. || defined(CONFIG_PPC_83xx) || defined(CONFIG_8260)
  189. #define CPU_FTR_COMMON CPU_FTR_NEED_COHERENT
  190. #else
  191. #define CPU_FTR_COMMON 0
  192. #endif
  193. /* The powersave features NAP & DOZE seems to confuse BDI when
  194. debugging. So if a BDI is used, disable theses
  195. */
  196. #ifndef CONFIG_BDI_SWITCH
  197. #define CPU_FTR_MAYBE_CAN_DOZE CPU_FTR_CAN_DOZE
  198. #define CPU_FTR_MAYBE_CAN_NAP CPU_FTR_CAN_NAP
  199. #else
  200. #define CPU_FTR_MAYBE_CAN_DOZE 0
  201. #define CPU_FTR_MAYBE_CAN_NAP 0
  202. #endif
  203. #define CLASSIC_PPC (!defined(CONFIG_8xx) && !defined(CONFIG_4xx) && \
  204. !defined(CONFIG_POWER3) && !defined(CONFIG_POWER4) && \
  205. !defined(CONFIG_BOOKE))
  206. #define CPU_FTRS_PPC601 (CPU_FTR_COMMON | CPU_FTR_601 | CPU_FTR_HPTE_TABLE | \
  207. CPU_FTR_COHERENT_ICACHE | CPU_FTR_UNIFIED_ID_CACHE)
  208. #define CPU_FTRS_603 (CPU_FTR_COMMON | \
  209. CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | \
  210. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
  211. #define CPU_FTRS_604 (CPU_FTR_COMMON | \
  212. CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_PPC_LE)
  213. #define CPU_FTRS_740_NOTAU (CPU_FTR_COMMON | \
  214. CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
  215. CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
  216. #define CPU_FTRS_740 (CPU_FTR_COMMON | \
  217. CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
  218. CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \
  219. CPU_FTR_PPC_LE)
  220. #define CPU_FTRS_750 (CPU_FTR_COMMON | \
  221. CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
  222. CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \
  223. CPU_FTR_PPC_LE)
  224. #define CPU_FTRS_750CL (CPU_FTRS_750 | CPU_FTR_HAS_HIGH_BATS)
  225. #define CPU_FTRS_750FX1 (CPU_FTRS_750 | CPU_FTR_DUAL_PLL_750FX | CPU_FTR_NO_DPM)
  226. #define CPU_FTRS_750FX2 (CPU_FTRS_750 | CPU_FTR_NO_DPM)
  227. #define CPU_FTRS_750FX (CPU_FTRS_750 | CPU_FTR_DUAL_PLL_750FX | \
  228. CPU_FTR_HAS_HIGH_BATS)
  229. #define CPU_FTRS_750GX (CPU_FTRS_750FX)
  230. #define CPU_FTRS_7400_NOTAU (CPU_FTR_COMMON | \
  231. CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
  232. CPU_FTR_ALTIVEC_COMP | CPU_FTR_HPTE_TABLE | \
  233. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
  234. #define CPU_FTRS_7400 (CPU_FTR_COMMON | \
  235. CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
  236. CPU_FTR_TAU | CPU_FTR_ALTIVEC_COMP | CPU_FTR_HPTE_TABLE | \
  237. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
  238. #define CPU_FTRS_7450_20 (CPU_FTR_COMMON | \
  239. CPU_FTR_USE_TB | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
  240. CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
  241. CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
  242. #define CPU_FTRS_7450_21 (CPU_FTR_COMMON | \
  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_L3_DISABLE_NAP | \
  247. CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
  248. #define CPU_FTRS_7450_23 (CPU_FTR_COMMON | \
  249. CPU_FTR_USE_TB | CPU_FTR_NEED_PAIRED_STWCX | \
  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_NEED_COHERENT | CPU_FTR_PPC_LE)
  253. #define CPU_FTRS_7455_1 (CPU_FTR_COMMON | \
  254. CPU_FTR_USE_TB | CPU_FTR_NEED_PAIRED_STWCX | \
  255. CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | CPU_FTR_L3CR | \
  256. CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | CPU_FTR_HAS_HIGH_BATS | \
  257. CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
  258. #define CPU_FTRS_7455_20 (CPU_FTR_COMMON | \
  259. CPU_FTR_USE_TB | CPU_FTR_NEED_PAIRED_STWCX | \
  260. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
  261. CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
  262. CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \
  263. CPU_FTR_NEED_COHERENT | CPU_FTR_HAS_HIGH_BATS | CPU_FTR_PPC_LE)
  264. #define CPU_FTRS_7455 (CPU_FTR_COMMON | \
  265. CPU_FTR_USE_TB | \
  266. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
  267. CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
  268. CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
  269. CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
  270. #define CPU_FTRS_7447_10 (CPU_FTR_COMMON | \
  271. CPU_FTR_USE_TB | \
  272. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
  273. CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
  274. CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
  275. CPU_FTR_NEED_COHERENT | CPU_FTR_NO_BTIC | CPU_FTR_PPC_LE | \
  276. CPU_FTR_NEED_PAIRED_STWCX)
  277. #define CPU_FTRS_7447 (CPU_FTR_COMMON | \
  278. CPU_FTR_USE_TB | \
  279. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
  280. CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
  281. CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
  282. CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
  283. #define CPU_FTRS_7447A (CPU_FTR_COMMON | \
  284. CPU_FTR_USE_TB | \
  285. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
  286. CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
  287. CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
  288. CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
  289. #define CPU_FTRS_7448 (CPU_FTR_COMMON | \
  290. CPU_FTR_USE_TB | \
  291. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
  292. CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
  293. CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
  294. CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
  295. #define CPU_FTRS_82XX (CPU_FTR_COMMON | \
  296. CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB)
  297. #define CPU_FTRS_G2_LE (CPU_FTR_COMMON | CPU_FTR_MAYBE_CAN_DOZE | \
  298. CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_HAS_HIGH_BATS)
  299. #define CPU_FTRS_E300 (CPU_FTR_MAYBE_CAN_DOZE | \
  300. CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_HAS_HIGH_BATS | \
  301. CPU_FTR_COMMON)
  302. #define CPU_FTRS_E300C2 (CPU_FTR_MAYBE_CAN_DOZE | \
  303. CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_HAS_HIGH_BATS | \
  304. CPU_FTR_COMMON | CPU_FTR_FPU_UNAVAILABLE)
  305. #define CPU_FTRS_CLASSIC32 (CPU_FTR_COMMON | \
  306. CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE)
  307. #define CPU_FTRS_8XX (CPU_FTR_USE_TB)
  308. #define CPU_FTRS_40X (CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN)
  309. #define CPU_FTRS_44X (CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN)
  310. #define CPU_FTRS_E200 (CPU_FTR_USE_TB | CPU_FTR_SPE_COMP | \
  311. CPU_FTR_NODSISRALIGN | CPU_FTR_COHERENT_ICACHE | \
  312. CPU_FTR_UNIFIED_ID_CACHE)
  313. #define CPU_FTRS_E500 (CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | \
  314. CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_NODSISRALIGN)
  315. #define CPU_FTRS_E500_2 (CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | \
  316. CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_BIG_PHYS | \
  317. CPU_FTR_NODSISRALIGN)
  318. #define CPU_FTRS_E500MC (CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | \
  319. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_BIG_PHYS | CPU_FTR_NODSISRALIGN | \
  320. CPU_FTR_L2CSR)
  321. #define CPU_FTRS_GENERIC_32 (CPU_FTR_COMMON | CPU_FTR_NODSISRALIGN)
  322. /* 64-bit CPUs */
  323. #define CPU_FTRS_POWER3 (CPU_FTR_USE_TB | \
  324. CPU_FTR_HPTE_TABLE | CPU_FTR_IABR | CPU_FTR_PPC_LE)
  325. #define CPU_FTRS_RS64 (CPU_FTR_USE_TB | \
  326. CPU_FTR_HPTE_TABLE | CPU_FTR_IABR | \
  327. CPU_FTR_MMCRA | CPU_FTR_CTRL)
  328. #define CPU_FTRS_POWER4 (CPU_FTR_USE_TB | \
  329. CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
  330. CPU_FTR_MMCRA)
  331. #define CPU_FTRS_PPC970 (CPU_FTR_USE_TB | \
  332. CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
  333. CPU_FTR_ALTIVEC_COMP | CPU_FTR_CAN_NAP | CPU_FTR_MMCRA)
  334. #define CPU_FTRS_POWER5 (CPU_FTR_USE_TB | \
  335. CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
  336. CPU_FTR_MMCRA | CPU_FTR_SMT | \
  337. CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \
  338. CPU_FTR_PURR)
  339. #define CPU_FTRS_POWER6 (CPU_FTR_USE_TB | \
  340. CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
  341. CPU_FTR_MMCRA | CPU_FTR_SMT | \
  342. CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \
  343. CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
  344. CPU_FTR_DSCR)
  345. #define CPU_FTRS_POWER7 (CPU_FTR_USE_TB | \
  346. CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
  347. CPU_FTR_MMCRA | CPU_FTR_SMT | \
  348. CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \
  349. CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
  350. CPU_FTR_DSCR)
  351. #define CPU_FTRS_CELL (CPU_FTR_USE_TB | \
  352. CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
  353. CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \
  354. CPU_FTR_PAUSE_ZERO | CPU_FTR_CI_LARGE_PAGE | CPU_FTR_CELL_TB_BUG)
  355. #define CPU_FTRS_PA6T (CPU_FTR_USE_TB | \
  356. CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | \
  357. CPU_FTR_ALTIVEC_COMP | CPU_FTR_CI_LARGE_PAGE | \
  358. CPU_FTR_PURR | CPU_FTR_REAL_LE | CPU_FTR_NO_SLBIE_B)
  359. #define CPU_FTRS_COMPATIBLE (CPU_FTR_USE_TB | \
  360. CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2)
  361. #ifdef __powerpc64__
  362. #define CPU_FTRS_POSSIBLE \
  363. (CPU_FTRS_POWER3 | CPU_FTRS_RS64 | CPU_FTRS_POWER4 | \
  364. CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | CPU_FTRS_POWER6 | \
  365. CPU_FTRS_POWER7 | CPU_FTRS_CELL | CPU_FTRS_PA6T | \
  366. CPU_FTR_1T_SEGMENT)
  367. #else
  368. enum {
  369. CPU_FTRS_POSSIBLE =
  370. #if CLASSIC_PPC
  371. CPU_FTRS_PPC601 | CPU_FTRS_603 | CPU_FTRS_604 | CPU_FTRS_740_NOTAU |
  372. CPU_FTRS_740 | CPU_FTRS_750 | CPU_FTRS_750FX1 |
  373. CPU_FTRS_750FX2 | CPU_FTRS_750FX | CPU_FTRS_750GX |
  374. CPU_FTRS_7400_NOTAU | CPU_FTRS_7400 | CPU_FTRS_7450_20 |
  375. CPU_FTRS_7450_21 | CPU_FTRS_7450_23 | CPU_FTRS_7455_1 |
  376. CPU_FTRS_7455_20 | CPU_FTRS_7455 | CPU_FTRS_7447_10 |
  377. CPU_FTRS_7447 | CPU_FTRS_7447A | CPU_FTRS_82XX |
  378. CPU_FTRS_G2_LE | CPU_FTRS_E300 | CPU_FTRS_E300C2 |
  379. CPU_FTRS_CLASSIC32 |
  380. #else
  381. CPU_FTRS_GENERIC_32 |
  382. #endif
  383. #ifdef CONFIG_8xx
  384. CPU_FTRS_8XX |
  385. #endif
  386. #ifdef CONFIG_40x
  387. CPU_FTRS_40X |
  388. #endif
  389. #ifdef CONFIG_44x
  390. CPU_FTRS_44X |
  391. #endif
  392. #ifdef CONFIG_E200
  393. CPU_FTRS_E200 |
  394. #endif
  395. #ifdef CONFIG_E500
  396. CPU_FTRS_E500 | CPU_FTRS_E500_2 | CPU_FTRS_E500MC |
  397. #endif
  398. 0,
  399. };
  400. #endif /* __powerpc64__ */
  401. #ifdef __powerpc64__
  402. #define CPU_FTRS_ALWAYS \
  403. (CPU_FTRS_POWER3 & CPU_FTRS_RS64 & CPU_FTRS_POWER4 & \
  404. CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & CPU_FTRS_POWER6 & \
  405. CPU_FTRS_POWER7 & CPU_FTRS_CELL & CPU_FTRS_PA6T & CPU_FTRS_POSSIBLE)
  406. #else
  407. enum {
  408. CPU_FTRS_ALWAYS =
  409. #if CLASSIC_PPC
  410. CPU_FTRS_PPC601 & CPU_FTRS_603 & CPU_FTRS_604 & CPU_FTRS_740_NOTAU &
  411. CPU_FTRS_740 & CPU_FTRS_750 & CPU_FTRS_750FX1 &
  412. CPU_FTRS_750FX2 & CPU_FTRS_750FX & CPU_FTRS_750GX &
  413. CPU_FTRS_7400_NOTAU & CPU_FTRS_7400 & CPU_FTRS_7450_20 &
  414. CPU_FTRS_7450_21 & CPU_FTRS_7450_23 & CPU_FTRS_7455_1 &
  415. CPU_FTRS_7455_20 & CPU_FTRS_7455 & CPU_FTRS_7447_10 &
  416. CPU_FTRS_7447 & CPU_FTRS_7447A & CPU_FTRS_82XX &
  417. CPU_FTRS_G2_LE & CPU_FTRS_E300 & CPU_FTRS_E300C2 &
  418. CPU_FTRS_CLASSIC32 &
  419. #else
  420. CPU_FTRS_GENERIC_32 &
  421. #endif
  422. #ifdef CONFIG_8xx
  423. CPU_FTRS_8XX &
  424. #endif
  425. #ifdef CONFIG_40x
  426. CPU_FTRS_40X &
  427. #endif
  428. #ifdef CONFIG_44x
  429. CPU_FTRS_44X &
  430. #endif
  431. #ifdef CONFIG_E200
  432. CPU_FTRS_E200 &
  433. #endif
  434. #ifdef CONFIG_E500
  435. CPU_FTRS_E500 & CPU_FTRS_E500_2 & CPU_FTRS_E500MC &
  436. #endif
  437. CPU_FTRS_POSSIBLE,
  438. };
  439. #endif /* __powerpc64__ */
  440. static inline int cpu_has_feature(unsigned long feature)
  441. {
  442. return (CPU_FTRS_ALWAYS & feature) ||
  443. (CPU_FTRS_POSSIBLE
  444. & cur_cpu_spec->cpu_features
  445. & feature);
  446. }
  447. #endif /* !__ASSEMBLY__ */
  448. #ifdef __ASSEMBLY__
  449. #define BEGIN_FTR_SECTION_NESTED(label) label:
  450. #define BEGIN_FTR_SECTION BEGIN_FTR_SECTION_NESTED(97)
  451. #define END_FTR_SECTION_NESTED(msk, val, label) \
  452. MAKE_FTR_SECTION_ENTRY(msk, val, label, __ftr_fixup)
  453. #define END_FTR_SECTION(msk, val) \
  454. END_FTR_SECTION_NESTED(msk, val, 97)
  455. #define END_FTR_SECTION_IFSET(msk) END_FTR_SECTION((msk), (msk))
  456. #define END_FTR_SECTION_IFCLR(msk) END_FTR_SECTION((msk), 0)
  457. #endif /* __ASSEMBLY__ */
  458. #endif /* __KERNEL__ */
  459. #endif /* __ASM_POWERPC_CPUTABLE_H */