cputable.h 23 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #ifndef __ASM_POWERPC_CPUTABLE_H
  3. #define __ASM_POWERPC_CPUTABLE_H
  4. #include <linux/types.h>
  5. #include <uapi/asm/cputable.h>
  6. #include <asm/asm-const.h>
  7. #ifndef __ASSEMBLY__
  8. /* This structure can grow, it's real size is used by head.S code
  9. * via the mkdefs mechanism.
  10. */
  11. struct cpu_spec;
  12. typedef void (*cpu_setup_t)(unsigned long offset, struct cpu_spec* spec);
  13. typedef void (*cpu_restore_t)(void);
  14. enum powerpc_pmc_type {
  15. PPC_PMC_DEFAULT = 0,
  16. PPC_PMC_IBM = 1,
  17. PPC_PMC_PA6T = 2,
  18. PPC_PMC_G4 = 3,
  19. };
  20. struct pt_regs;
  21. extern int machine_check_generic(struct pt_regs *regs);
  22. extern int machine_check_4xx(struct pt_regs *regs);
  23. extern int machine_check_440A(struct pt_regs *regs);
  24. extern int machine_check_e500mc(struct pt_regs *regs);
  25. extern int machine_check_e500(struct pt_regs *regs);
  26. extern int machine_check_47x(struct pt_regs *regs);
  27. int machine_check_8xx(struct pt_regs *regs);
  28. int machine_check_83xx(struct pt_regs *regs);
  29. extern void cpu_down_flush_e500v2(void);
  30. extern void cpu_down_flush_e500mc(void);
  31. extern void cpu_down_flush_e5500(void);
  32. extern void cpu_down_flush_e6500(void);
  33. /* NOTE WELL: Update identify_cpu() if fields are added or removed! */
  34. struct cpu_spec {
  35. /* CPU is matched via (PVR & pvr_mask) == pvr_value */
  36. unsigned int pvr_mask;
  37. unsigned int pvr_value;
  38. char *cpu_name;
  39. unsigned long cpu_features; /* Kernel features */
  40. unsigned int cpu_user_features; /* Userland features */
  41. unsigned int cpu_user_features2; /* Userland features v2 */
  42. unsigned int mmu_features; /* MMU features */
  43. /* cache line sizes */
  44. unsigned int icache_bsize;
  45. unsigned int dcache_bsize;
  46. /* flush caches inside the current cpu */
  47. void (*cpu_down_flush)(void);
  48. /* number of performance monitor counters */
  49. unsigned int num_pmcs;
  50. enum powerpc_pmc_type pmc_type;
  51. /* this is called to initialize various CPU bits like L1 cache,
  52. * BHT, SPD, etc... from head.S before branching to identify_machine
  53. */
  54. cpu_setup_t cpu_setup;
  55. /* Used to restore cpu setup on secondary processors and at resume */
  56. cpu_restore_t cpu_restore;
  57. /* Name of processor class, for the ELF AT_PLATFORM entry */
  58. char *platform;
  59. /* Processor specific machine check handling. Return negative
  60. * if the error is fatal, 1 if it was fully recovered and 0 to
  61. * pass up (not CPU originated) */
  62. int (*machine_check)(struct pt_regs *regs);
  63. /*
  64. * Processor specific early machine check handler which is
  65. * called in real mode to handle SLB and TLB errors.
  66. */
  67. long (*machine_check_early)(struct pt_regs *regs);
  68. };
  69. extern struct cpu_spec *cur_cpu_spec;
  70. extern unsigned int __start___ftr_fixup, __stop___ftr_fixup;
  71. extern void set_cur_cpu_spec(struct cpu_spec *s);
  72. extern struct cpu_spec *identify_cpu(unsigned long offset, unsigned int pvr);
  73. extern void identify_cpu_name(unsigned int pvr);
  74. extern void do_feature_fixups(unsigned long value, void *fixup_start,
  75. void *fixup_end);
  76. extern const char *powerpc_base_platform;
  77. #ifdef CONFIG_JUMP_LABEL_FEATURE_CHECKS
  78. extern void cpu_feature_keys_init(void);
  79. #else
  80. static inline void cpu_feature_keys_init(void) { }
  81. #endif
  82. #endif /* __ASSEMBLY__ */
  83. /* CPU kernel features */
  84. /* Definitions for features that we have on both 32-bit and 64-bit chips */
  85. #define CPU_FTR_COHERENT_ICACHE ASM_CONST(0x00000001)
  86. #define CPU_FTR_ALTIVEC ASM_CONST(0x00000002)
  87. #define CPU_FTR_DBELL ASM_CONST(0x00000004)
  88. #define CPU_FTR_CAN_NAP ASM_CONST(0x00000008)
  89. #define CPU_FTR_DEBUG_LVL_EXC ASM_CONST(0x00000010)
  90. // ASM_CONST(0x00000020) Free
  91. #define CPU_FTR_FPU_UNAVAILABLE ASM_CONST(0x00000040)
  92. #define CPU_FTR_LWSYNC ASM_CONST(0x00000080)
  93. #define CPU_FTR_NOEXECUTE ASM_CONST(0x00000100)
  94. #define CPU_FTR_EMB_HV ASM_CONST(0x00000200)
  95. /* Definitions for features that only exist on 32-bit chips */
  96. #ifdef CONFIG_PPC32
  97. #define CPU_FTR_L2CR ASM_CONST(0x00002000)
  98. #define CPU_FTR_SPEC7450 ASM_CONST(0x00004000)
  99. #define CPU_FTR_TAU ASM_CONST(0x00008000)
  100. #define CPU_FTR_CAN_DOZE ASM_CONST(0x00010000)
  101. #define CPU_FTR_L3CR ASM_CONST(0x00040000)
  102. #define CPU_FTR_L3_DISABLE_NAP ASM_CONST(0x00080000)
  103. #define CPU_FTR_NAP_DISABLE_L2_PR ASM_CONST(0x00100000)
  104. #define CPU_FTR_DUAL_PLL_750FX ASM_CONST(0x00200000)
  105. #define CPU_FTR_NO_DPM ASM_CONST(0x00400000)
  106. #define CPU_FTR_476_DD2 ASM_CONST(0x00800000)
  107. #define CPU_FTR_NEED_COHERENT ASM_CONST(0x01000000)
  108. #define CPU_FTR_NO_BTIC ASM_CONST(0x02000000)
  109. #define CPU_FTR_PPC_LE ASM_CONST(0x04000000)
  110. #define CPU_FTR_SPE ASM_CONST(0x10000000)
  111. #define CPU_FTR_NEED_PAIRED_STWCX ASM_CONST(0x20000000)
  112. #define CPU_FTR_INDEXED_DCR ASM_CONST(0x40000000)
  113. #else /* CONFIG_PPC32 */
  114. /* Define these to 0 for the sake of tests in common code */
  115. #define CPU_FTR_PPC_LE (0)
  116. #define CPU_FTR_SPE (0)
  117. #endif
  118. /*
  119. * Definitions for the 64-bit processor unique features;
  120. * on 32-bit, make the names available but defined to be 0.
  121. */
  122. #ifdef __powerpc64__
  123. #define LONG_ASM_CONST(x) ASM_CONST(x)
  124. #else
  125. #define LONG_ASM_CONST(x) 0
  126. #endif
  127. #define CPU_FTR_REAL_LE LONG_ASM_CONST(0x0000000000001000)
  128. #define CPU_FTR_HVMODE LONG_ASM_CONST(0x0000000000002000)
  129. #define CPU_FTR_ARCH_206 LONG_ASM_CONST(0x0000000000008000)
  130. #define CPU_FTR_ARCH_207S LONG_ASM_CONST(0x0000000000010000)
  131. #define CPU_FTR_ARCH_300 LONG_ASM_CONST(0x0000000000020000)
  132. #define CPU_FTR_MMCRA LONG_ASM_CONST(0x0000000000040000)
  133. #define CPU_FTR_CTRL LONG_ASM_CONST(0x0000000000080000)
  134. #define CPU_FTR_SMT LONG_ASM_CONST(0x0000000000100000)
  135. #define CPU_FTR_PAUSE_ZERO LONG_ASM_CONST(0x0000000000200000)
  136. #define CPU_FTR_PURR LONG_ASM_CONST(0x0000000000400000)
  137. #define CPU_FTR_CELL_TB_BUG LONG_ASM_CONST(0x0000000000800000)
  138. #define CPU_FTR_SPURR LONG_ASM_CONST(0x0000000001000000)
  139. #define CPU_FTR_DSCR LONG_ASM_CONST(0x0000000002000000)
  140. #define CPU_FTR_VSX LONG_ASM_CONST(0x0000000004000000)
  141. #define CPU_FTR_SAO LONG_ASM_CONST(0x0000000008000000)
  142. #define CPU_FTR_CP_USE_DCBTZ LONG_ASM_CONST(0x0000000010000000)
  143. #define CPU_FTR_UNALIGNED_LD_STD LONG_ASM_CONST(0x0000000020000000)
  144. #define CPU_FTR_ASYM_SMT LONG_ASM_CONST(0x0000000040000000)
  145. #define CPU_FTR_STCX_CHECKS_ADDRESS LONG_ASM_CONST(0x0000000080000000)
  146. #define CPU_FTR_POPCNTB LONG_ASM_CONST(0x0000000100000000)
  147. #define CPU_FTR_POPCNTD LONG_ASM_CONST(0x0000000200000000)
  148. /* LONG_ASM_CONST(0x0000000400000000) Free */
  149. #define CPU_FTR_VMX_COPY LONG_ASM_CONST(0x0000000800000000)
  150. #define CPU_FTR_TM LONG_ASM_CONST(0x0000001000000000)
  151. #define CPU_FTR_CFAR LONG_ASM_CONST(0x0000002000000000)
  152. #define CPU_FTR_HAS_PPR LONG_ASM_CONST(0x0000004000000000)
  153. #define CPU_FTR_DAWR LONG_ASM_CONST(0x0000008000000000)
  154. #define CPU_FTR_DABRX LONG_ASM_CONST(0x0000010000000000)
  155. #define CPU_FTR_PMAO_BUG LONG_ASM_CONST(0x0000020000000000)
  156. #define CPU_FTR_POWER9_DD2_1 LONG_ASM_CONST(0x0000080000000000)
  157. #define CPU_FTR_P9_TM_HV_ASSIST LONG_ASM_CONST(0x0000100000000000)
  158. #define CPU_FTR_P9_TM_XER_SO_BUG LONG_ASM_CONST(0x0000200000000000)
  159. #define CPU_FTR_P9_TLBIE_STQ_BUG LONG_ASM_CONST(0x0000400000000000)
  160. #define CPU_FTR_P9_TIDR LONG_ASM_CONST(0x0000800000000000)
  161. #define CPU_FTR_P9_TLBIE_ERAT_BUG LONG_ASM_CONST(0x0001000000000000)
  162. #define CPU_FTR_P9_RADIX_PREFETCH_BUG LONG_ASM_CONST(0x0002000000000000)
  163. #define CPU_FTR_ARCH_31 LONG_ASM_CONST(0x0004000000000000)
  164. #define CPU_FTR_DAWR1 LONG_ASM_CONST(0x0008000000000000)
  165. #ifndef __ASSEMBLY__
  166. #define CPU_FTR_PPCAS_ARCH_V2 (CPU_FTR_NOEXECUTE)
  167. /* We only set the altivec features if the kernel was compiled with altivec
  168. * support
  169. */
  170. #ifdef CONFIG_ALTIVEC
  171. #define CPU_FTR_ALTIVEC_COMP CPU_FTR_ALTIVEC
  172. #define PPC_FEATURE_HAS_ALTIVEC_COMP PPC_FEATURE_HAS_ALTIVEC
  173. #else
  174. #define CPU_FTR_ALTIVEC_COMP 0
  175. #define PPC_FEATURE_HAS_ALTIVEC_COMP 0
  176. #endif
  177. /* We only set the VSX features if the kernel was compiled with VSX
  178. * support
  179. */
  180. #ifdef CONFIG_VSX
  181. #define CPU_FTR_VSX_COMP CPU_FTR_VSX
  182. #define PPC_FEATURE_HAS_VSX_COMP PPC_FEATURE_HAS_VSX
  183. #else
  184. #define CPU_FTR_VSX_COMP 0
  185. #define PPC_FEATURE_HAS_VSX_COMP 0
  186. #endif
  187. /* We only set the spe features if the kernel was compiled with spe
  188. * support
  189. */
  190. #ifdef CONFIG_SPE
  191. #define CPU_FTR_SPE_COMP CPU_FTR_SPE
  192. #define PPC_FEATURE_HAS_SPE_COMP PPC_FEATURE_HAS_SPE
  193. #define PPC_FEATURE_HAS_EFP_SINGLE_COMP PPC_FEATURE_HAS_EFP_SINGLE
  194. #define PPC_FEATURE_HAS_EFP_DOUBLE_COMP PPC_FEATURE_HAS_EFP_DOUBLE
  195. #else
  196. #define CPU_FTR_SPE_COMP 0
  197. #define PPC_FEATURE_HAS_SPE_COMP 0
  198. #define PPC_FEATURE_HAS_EFP_SINGLE_COMP 0
  199. #define PPC_FEATURE_HAS_EFP_DOUBLE_COMP 0
  200. #endif
  201. /* We only set the TM feature if the kernel was compiled with TM supprt */
  202. #ifdef CONFIG_PPC_TRANSACTIONAL_MEM
  203. #define CPU_FTR_TM_COMP CPU_FTR_TM
  204. #define PPC_FEATURE2_HTM_COMP PPC_FEATURE2_HTM
  205. #define PPC_FEATURE2_HTM_NOSC_COMP PPC_FEATURE2_HTM_NOSC
  206. #else
  207. #define CPU_FTR_TM_COMP 0
  208. #define PPC_FEATURE2_HTM_COMP 0
  209. #define PPC_FEATURE2_HTM_NOSC_COMP 0
  210. #endif
  211. /* We need to mark all pages as being coherent if we're SMP or we have a
  212. * 74[45]x and an MPC107 host bridge. Also 83xx and PowerQUICC II
  213. * require it for PCI "streaming/prefetch" to work properly.
  214. * This is also required by 52xx family.
  215. */
  216. #if defined(CONFIG_SMP) || defined(CONFIG_MPC10X_BRIDGE) \
  217. || defined(CONFIG_PPC_83xx) || defined(CONFIG_8260) \
  218. || defined(CONFIG_PPC_MPC52xx)
  219. #define CPU_FTR_COMMON CPU_FTR_NEED_COHERENT
  220. #else
  221. #define CPU_FTR_COMMON 0
  222. #endif
  223. /* The powersave features NAP & DOZE seems to confuse BDI when
  224. debugging. So if a BDI is used, disable theses
  225. */
  226. #ifndef CONFIG_BDI_SWITCH
  227. #define CPU_FTR_MAYBE_CAN_DOZE CPU_FTR_CAN_DOZE
  228. #define CPU_FTR_MAYBE_CAN_NAP CPU_FTR_CAN_NAP
  229. #else
  230. #define CPU_FTR_MAYBE_CAN_DOZE 0
  231. #define CPU_FTR_MAYBE_CAN_NAP 0
  232. #endif
  233. #define CPU_FTRS_603 (CPU_FTR_COMMON | CPU_FTR_MAYBE_CAN_DOZE | \
  234. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE | CPU_FTR_NOEXECUTE)
  235. #define CPU_FTRS_604 (CPU_FTR_COMMON | CPU_FTR_PPC_LE)
  236. #define CPU_FTRS_740_NOTAU (CPU_FTR_COMMON | \
  237. CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \
  238. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
  239. #define CPU_FTRS_740 (CPU_FTR_COMMON | \
  240. CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \
  241. CPU_FTR_TAU | CPU_FTR_MAYBE_CAN_NAP | \
  242. CPU_FTR_PPC_LE)
  243. #define CPU_FTRS_750 (CPU_FTR_COMMON | \
  244. CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \
  245. CPU_FTR_TAU | CPU_FTR_MAYBE_CAN_NAP | \
  246. CPU_FTR_PPC_LE)
  247. #define CPU_FTRS_750CL (CPU_FTRS_750)
  248. #define CPU_FTRS_750FX1 (CPU_FTRS_750 | CPU_FTR_DUAL_PLL_750FX | CPU_FTR_NO_DPM)
  249. #define CPU_FTRS_750FX2 (CPU_FTRS_750 | CPU_FTR_NO_DPM)
  250. #define CPU_FTRS_750FX (CPU_FTRS_750 | CPU_FTR_DUAL_PLL_750FX)
  251. #define CPU_FTRS_750GX (CPU_FTRS_750FX)
  252. #define CPU_FTRS_7400_NOTAU (CPU_FTR_COMMON | \
  253. CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \
  254. CPU_FTR_ALTIVEC_COMP | \
  255. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
  256. #define CPU_FTRS_7400 (CPU_FTR_COMMON | \
  257. CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \
  258. CPU_FTR_TAU | CPU_FTR_ALTIVEC_COMP | \
  259. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
  260. #define CPU_FTRS_7450_20 (CPU_FTR_COMMON | \
  261. CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
  262. CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \
  263. CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
  264. #define CPU_FTRS_7450_21 (CPU_FTR_COMMON | \
  265. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
  266. CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \
  267. CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \
  268. CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
  269. #define CPU_FTRS_7450_23 (CPU_FTR_COMMON | \
  270. CPU_FTR_NEED_PAIRED_STWCX | \
  271. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
  272. CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \
  273. CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
  274. #define CPU_FTRS_7455_1 (CPU_FTR_COMMON | \
  275. CPU_FTR_NEED_PAIRED_STWCX | \
  276. CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | CPU_FTR_L3CR | \
  277. CPU_FTR_SPEC7450 | CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
  278. #define CPU_FTRS_7455_20 (CPU_FTR_COMMON | \
  279. CPU_FTR_NEED_PAIRED_STWCX | \
  280. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
  281. CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \
  282. CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \
  283. CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
  284. #define CPU_FTRS_7455 (CPU_FTR_COMMON | \
  285. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
  286. CPU_FTR_L3CR | CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
  287. CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
  288. #define CPU_FTRS_7447_10 (CPU_FTR_COMMON | \
  289. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
  290. CPU_FTR_L3CR | CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
  291. CPU_FTR_NEED_COHERENT | CPU_FTR_NO_BTIC | CPU_FTR_PPC_LE | \
  292. CPU_FTR_NEED_PAIRED_STWCX)
  293. #define CPU_FTRS_7447 (CPU_FTR_COMMON | \
  294. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
  295. CPU_FTR_L3CR | CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
  296. CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
  297. #define CPU_FTRS_7447A (CPU_FTR_COMMON | \
  298. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
  299. CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
  300. CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
  301. #define CPU_FTRS_7448 (CPU_FTR_COMMON | \
  302. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
  303. CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
  304. CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
  305. #define CPU_FTRS_82XX (CPU_FTR_COMMON | CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_NOEXECUTE)
  306. #define CPU_FTRS_G2_LE (CPU_FTR_COMMON | CPU_FTR_MAYBE_CAN_DOZE | \
  307. CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_NOEXECUTE)
  308. #define CPU_FTRS_E300 (CPU_FTR_MAYBE_CAN_DOZE | \
  309. CPU_FTR_MAYBE_CAN_NAP | \
  310. CPU_FTR_COMMON | CPU_FTR_NOEXECUTE)
  311. #define CPU_FTRS_E300C2 (CPU_FTR_MAYBE_CAN_DOZE | \
  312. CPU_FTR_MAYBE_CAN_NAP | \
  313. CPU_FTR_COMMON | CPU_FTR_FPU_UNAVAILABLE | CPU_FTR_NOEXECUTE)
  314. #define CPU_FTRS_CLASSIC32 (CPU_FTR_COMMON)
  315. #define CPU_FTRS_8XX (CPU_FTR_NOEXECUTE)
  316. #define CPU_FTRS_40X (CPU_FTR_NOEXECUTE)
  317. #define CPU_FTRS_44X (CPU_FTR_NOEXECUTE)
  318. #define CPU_FTRS_440x6 (CPU_FTR_NOEXECUTE | \
  319. CPU_FTR_INDEXED_DCR)
  320. #define CPU_FTRS_47X (CPU_FTRS_440x6)
  321. #define CPU_FTRS_E500 (CPU_FTR_MAYBE_CAN_DOZE | \
  322. CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | \
  323. CPU_FTR_NOEXECUTE)
  324. #define CPU_FTRS_E500_2 (CPU_FTR_MAYBE_CAN_DOZE | \
  325. CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | \
  326. CPU_FTR_NOEXECUTE)
  327. #define CPU_FTRS_E500MC ( \
  328. CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \
  329. CPU_FTR_DBELL | CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV)
  330. /*
  331. * e5500/e6500 erratum A-006958 is a timebase bug that can use the
  332. * same workaround as CPU_FTR_CELL_TB_BUG.
  333. */
  334. #define CPU_FTRS_E5500 ( \
  335. CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \
  336. CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
  337. CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV | CPU_FTR_CELL_TB_BUG)
  338. #define CPU_FTRS_E6500 ( \
  339. CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \
  340. CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
  341. CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV | CPU_FTR_ALTIVEC_COMP | \
  342. CPU_FTR_CELL_TB_BUG | CPU_FTR_SMT)
  343. /* 64-bit CPUs */
  344. #define CPU_FTRS_PPC970 (CPU_FTR_LWSYNC | \
  345. CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
  346. CPU_FTR_ALTIVEC_COMP | CPU_FTR_CAN_NAP | CPU_FTR_MMCRA | \
  347. CPU_FTR_CP_USE_DCBTZ | CPU_FTR_STCX_CHECKS_ADDRESS | \
  348. CPU_FTR_HVMODE | CPU_FTR_DABRX)
  349. #define CPU_FTRS_POWER5 (CPU_FTR_LWSYNC | \
  350. CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
  351. CPU_FTR_MMCRA | CPU_FTR_SMT | \
  352. CPU_FTR_COHERENT_ICACHE | CPU_FTR_PURR | \
  353. CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_DABRX)
  354. #define CPU_FTRS_POWER6 (CPU_FTR_LWSYNC | \
  355. CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
  356. CPU_FTR_MMCRA | CPU_FTR_SMT | \
  357. CPU_FTR_COHERENT_ICACHE | \
  358. CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
  359. CPU_FTR_DSCR | CPU_FTR_UNALIGNED_LD_STD | \
  360. CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_CFAR | \
  361. CPU_FTR_DABRX)
  362. #define CPU_FTRS_POWER7 (CPU_FTR_LWSYNC | \
  363. CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
  364. CPU_FTR_MMCRA | CPU_FTR_SMT | \
  365. CPU_FTR_COHERENT_ICACHE | \
  366. CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
  367. CPU_FTR_DSCR | CPU_FTR_SAO | CPU_FTR_ASYM_SMT | \
  368. CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
  369. CPU_FTR_CFAR | CPU_FTR_HVMODE | \
  370. CPU_FTR_VMX_COPY | CPU_FTR_HAS_PPR | CPU_FTR_DABRX )
  371. #define CPU_FTRS_POWER8 (CPU_FTR_LWSYNC | \
  372. CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
  373. CPU_FTR_MMCRA | CPU_FTR_SMT | \
  374. CPU_FTR_COHERENT_ICACHE | \
  375. CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
  376. CPU_FTR_DSCR | CPU_FTR_SAO | \
  377. CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
  378. CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \
  379. CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_DAWR | \
  380. CPU_FTR_ARCH_207S | CPU_FTR_TM_COMP )
  381. #define CPU_FTRS_POWER8E (CPU_FTRS_POWER8 | CPU_FTR_PMAO_BUG)
  382. #define CPU_FTRS_POWER9 (CPU_FTR_LWSYNC | \
  383. CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
  384. CPU_FTR_MMCRA | CPU_FTR_SMT | \
  385. CPU_FTR_COHERENT_ICACHE | \
  386. CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
  387. CPU_FTR_DSCR | CPU_FTR_SAO | \
  388. CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
  389. CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \
  390. CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_ARCH_207S | \
  391. CPU_FTR_TM_COMP | CPU_FTR_ARCH_300 | CPU_FTR_P9_TLBIE_STQ_BUG | \
  392. CPU_FTR_P9_TLBIE_ERAT_BUG | CPU_FTR_P9_TIDR)
  393. #define CPU_FTRS_POWER9_DD2_0 (CPU_FTRS_POWER9 | CPU_FTR_P9_RADIX_PREFETCH_BUG)
  394. #define CPU_FTRS_POWER9_DD2_1 (CPU_FTRS_POWER9 | \
  395. CPU_FTR_P9_RADIX_PREFETCH_BUG | \
  396. CPU_FTR_POWER9_DD2_1)
  397. #define CPU_FTRS_POWER9_DD2_2 (CPU_FTRS_POWER9 | CPU_FTR_POWER9_DD2_1 | \
  398. CPU_FTR_P9_TM_HV_ASSIST | \
  399. CPU_FTR_P9_TM_XER_SO_BUG)
  400. #define CPU_FTRS_POWER9_DD2_3 (CPU_FTRS_POWER9 | CPU_FTR_POWER9_DD2_1 | \
  401. CPU_FTR_P9_TM_HV_ASSIST | \
  402. CPU_FTR_P9_TM_XER_SO_BUG | \
  403. CPU_FTR_DAWR)
  404. #define CPU_FTRS_POWER10 (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 | \
  410. CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
  411. CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \
  412. CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_ARCH_207S | \
  413. CPU_FTR_ARCH_300 | CPU_FTR_ARCH_31 | \
  414. CPU_FTR_DAWR | CPU_FTR_DAWR1)
  415. #define CPU_FTRS_CELL (CPU_FTR_LWSYNC | \
  416. CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
  417. CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \
  418. CPU_FTR_PAUSE_ZERO | CPU_FTR_CELL_TB_BUG | CPU_FTR_CP_USE_DCBTZ | \
  419. CPU_FTR_UNALIGNED_LD_STD | CPU_FTR_DABRX)
  420. #define CPU_FTRS_PA6T (CPU_FTR_LWSYNC | \
  421. CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_ALTIVEC_COMP | \
  422. CPU_FTR_PURR | CPU_FTR_REAL_LE | CPU_FTR_DABRX)
  423. #define CPU_FTRS_COMPATIBLE (CPU_FTR_PPCAS_ARCH_V2)
  424. #ifdef CONFIG_PPC64
  425. #ifdef CONFIG_PPC_BOOK3E_64
  426. #define CPU_FTRS_POSSIBLE (CPU_FTRS_E6500 | CPU_FTRS_E5500)
  427. #else
  428. #ifdef CONFIG_CPU_LITTLE_ENDIAN
  429. #define CPU_FTRS_POSSIBLE \
  430. (CPU_FTRS_POWER7 | CPU_FTRS_POWER8E | CPU_FTRS_POWER8 | \
  431. CPU_FTR_ALTIVEC_COMP | CPU_FTR_VSX_COMP | CPU_FTRS_POWER9 | \
  432. CPU_FTRS_POWER9_DD2_1 | CPU_FTRS_POWER9_DD2_2 | \
  433. CPU_FTRS_POWER9_DD2_3 | CPU_FTRS_POWER10)
  434. #else
  435. #define CPU_FTRS_POSSIBLE \
  436. (CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | \
  437. CPU_FTRS_POWER6 | CPU_FTRS_POWER7 | CPU_FTRS_POWER8E | \
  438. CPU_FTRS_POWER8 | CPU_FTRS_CELL | CPU_FTRS_PA6T | \
  439. CPU_FTR_VSX_COMP | CPU_FTR_ALTIVEC_COMP | CPU_FTRS_POWER9 | \
  440. CPU_FTRS_POWER9_DD2_1 | CPU_FTRS_POWER9_DD2_2 | \
  441. CPU_FTRS_POWER9_DD2_3 | CPU_FTRS_POWER10)
  442. #endif /* CONFIG_CPU_LITTLE_ENDIAN */
  443. #endif
  444. #else
  445. enum {
  446. CPU_FTRS_POSSIBLE =
  447. #ifdef CONFIG_PPC_BOOK3S_604
  448. CPU_FTRS_604 | CPU_FTRS_740_NOTAU |
  449. CPU_FTRS_740 | CPU_FTRS_750 | CPU_FTRS_750FX1 |
  450. CPU_FTRS_750FX2 | CPU_FTRS_750FX | CPU_FTRS_750GX |
  451. CPU_FTRS_7400_NOTAU | CPU_FTRS_7400 | CPU_FTRS_7450_20 |
  452. CPU_FTRS_7450_21 | CPU_FTRS_7450_23 | CPU_FTRS_7455_1 |
  453. CPU_FTRS_7455_20 | CPU_FTRS_7455 | CPU_FTRS_7447_10 |
  454. CPU_FTRS_7447 | CPU_FTRS_7447A |
  455. CPU_FTRS_CLASSIC32 |
  456. #endif
  457. #ifdef CONFIG_PPC_BOOK3S_603
  458. CPU_FTRS_603 | CPU_FTRS_82XX |
  459. CPU_FTRS_G2_LE | CPU_FTRS_E300 | CPU_FTRS_E300C2 |
  460. #endif
  461. #ifdef CONFIG_PPC_8xx
  462. CPU_FTRS_8XX |
  463. #endif
  464. #ifdef CONFIG_40x
  465. CPU_FTRS_40X |
  466. #endif
  467. #ifdef CONFIG_PPC_47x
  468. CPU_FTRS_47X | CPU_FTR_476_DD2 |
  469. #elif defined(CONFIG_44x)
  470. CPU_FTRS_44X | CPU_FTRS_440x6 |
  471. #endif
  472. #ifdef CONFIG_PPC_E500
  473. CPU_FTRS_E500 | CPU_FTRS_E500_2 |
  474. #endif
  475. #ifdef CONFIG_PPC_E500MC
  476. CPU_FTRS_E500MC | CPU_FTRS_E5500 | CPU_FTRS_E6500 |
  477. #endif
  478. 0,
  479. };
  480. #endif /* __powerpc64__ */
  481. #ifdef CONFIG_PPC64
  482. #ifdef CONFIG_PPC_BOOK3E_64
  483. #define CPU_FTRS_ALWAYS (CPU_FTRS_E6500 & CPU_FTRS_E5500)
  484. #else
  485. #ifdef CONFIG_PPC_DT_CPU_FTRS
  486. #define CPU_FTRS_DT_CPU_BASE \
  487. (CPU_FTR_LWSYNC | \
  488. CPU_FTR_FPU_UNAVAILABLE | \
  489. CPU_FTR_NOEXECUTE | \
  490. CPU_FTR_COHERENT_ICACHE | \
  491. CPU_FTR_STCX_CHECKS_ADDRESS | \
  492. CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
  493. CPU_FTR_DAWR | \
  494. CPU_FTR_ARCH_206 | \
  495. CPU_FTR_ARCH_207S)
  496. #else
  497. #define CPU_FTRS_DT_CPU_BASE (~0ul)
  498. #endif
  499. #ifdef CONFIG_CPU_LITTLE_ENDIAN
  500. #define CPU_FTRS_ALWAYS \
  501. (CPU_FTRS_POSSIBLE & ~CPU_FTR_HVMODE & CPU_FTRS_POWER7 & \
  502. CPU_FTRS_POWER8E & CPU_FTRS_POWER8 & CPU_FTRS_POWER9 & \
  503. CPU_FTRS_POWER9_DD2_1 & CPU_FTRS_POWER9_DD2_2 & \
  504. CPU_FTRS_POWER10 & CPU_FTRS_DT_CPU_BASE)
  505. #else
  506. #define CPU_FTRS_ALWAYS \
  507. (CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & \
  508. CPU_FTRS_POWER6 & CPU_FTRS_POWER7 & CPU_FTRS_CELL & \
  509. CPU_FTRS_PA6T & CPU_FTRS_POWER8 & CPU_FTRS_POWER8E & \
  510. ~CPU_FTR_HVMODE & CPU_FTRS_POSSIBLE & CPU_FTRS_POWER9 & \
  511. CPU_FTRS_POWER9_DD2_1 & CPU_FTRS_POWER9_DD2_2 & \
  512. CPU_FTRS_POWER10 & CPU_FTRS_DT_CPU_BASE)
  513. #endif /* CONFIG_CPU_LITTLE_ENDIAN */
  514. #endif
  515. #else
  516. enum {
  517. CPU_FTRS_ALWAYS =
  518. #ifdef CONFIG_PPC_BOOK3S_604
  519. CPU_FTRS_604 & CPU_FTRS_740_NOTAU &
  520. CPU_FTRS_740 & CPU_FTRS_750 & CPU_FTRS_750FX1 &
  521. CPU_FTRS_750FX2 & CPU_FTRS_750FX & CPU_FTRS_750GX &
  522. CPU_FTRS_7400_NOTAU & CPU_FTRS_7400 & CPU_FTRS_7450_20 &
  523. CPU_FTRS_7450_21 & CPU_FTRS_7450_23 & CPU_FTRS_7455_1 &
  524. CPU_FTRS_7455_20 & CPU_FTRS_7455 & CPU_FTRS_7447_10 &
  525. CPU_FTRS_7447 & CPU_FTRS_7447A &
  526. CPU_FTRS_CLASSIC32 &
  527. #endif
  528. #ifdef CONFIG_PPC_BOOK3S_603
  529. CPU_FTRS_603 & CPU_FTRS_82XX &
  530. CPU_FTRS_G2_LE & CPU_FTRS_E300 & CPU_FTRS_E300C2 &
  531. #endif
  532. #ifdef CONFIG_PPC_8xx
  533. CPU_FTRS_8XX &
  534. #endif
  535. #ifdef CONFIG_40x
  536. CPU_FTRS_40X &
  537. #endif
  538. #ifdef CONFIG_PPC_47x
  539. CPU_FTRS_47X &
  540. #elif defined(CONFIG_44x)
  541. CPU_FTRS_44X & CPU_FTRS_440x6 &
  542. #endif
  543. #ifdef CONFIG_PPC_E500
  544. CPU_FTRS_E500 & CPU_FTRS_E500_2 &
  545. #endif
  546. #ifdef CONFIG_PPC_E500MC
  547. CPU_FTRS_E500MC & CPU_FTRS_E5500 & CPU_FTRS_E6500 &
  548. #endif
  549. ~CPU_FTR_EMB_HV & /* can be removed at runtime */
  550. CPU_FTRS_POSSIBLE,
  551. };
  552. #endif /* __powerpc64__ */
  553. /*
  554. * Maximum number of hw breakpoint supported on powerpc. Number of
  555. * breakpoints supported by actual hw might be less than this, which
  556. * is decided at run time in nr_wp_slots().
  557. */
  558. #define HBP_NUM_MAX 2
  559. #endif /* !__ASSEMBLY__ */
  560. #endif /* __ASM_POWERPC_CPUTABLE_H */