cputable.c 45 KB

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  1. /*
  2. * Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org)
  3. *
  4. * Modifications for ppc64:
  5. * Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com>
  6. *
  7. * This program is free software; you can redistribute it and/or
  8. * modify it under the terms of the GNU General Public License
  9. * as published by the Free Software Foundation; either version
  10. * 2 of the License, or (at your option) any later version.
  11. */
  12. #include <linux/string.h>
  13. #include <linux/sched.h>
  14. #include <linux/threads.h>
  15. #include <linux/init.h>
  16. #include <linux/module.h>
  17. #include <asm/oprofile_impl.h>
  18. #include <asm/cputable.h>
  19. #include <asm/prom.h> /* for PTRRELOC on ARCH=ppc */
  20. struct cpu_spec* cur_cpu_spec = NULL;
  21. EXPORT_SYMBOL(cur_cpu_spec);
  22. /* NOTE:
  23. * Unlike ppc32, ppc64 will only call this once for the boot CPU, it's
  24. * the responsibility of the appropriate CPU save/restore functions to
  25. * eventually copy these settings over. Those save/restore aren't yet
  26. * part of the cputable though. That has to be fixed for both ppc32
  27. * and ppc64
  28. */
  29. #ifdef CONFIG_PPC32
  30. extern void __setup_cpu_440ep(unsigned long offset, struct cpu_spec* spec);
  31. extern void __setup_cpu_440epx(unsigned long offset, struct cpu_spec* spec);
  32. extern void __setup_cpu_440gx(unsigned long offset, struct cpu_spec* spec);
  33. extern void __setup_cpu_440grx(unsigned long offset, struct cpu_spec* spec);
  34. extern void __setup_cpu_440spe(unsigned long offset, struct cpu_spec* spec);
  35. extern void __setup_cpu_603(unsigned long offset, struct cpu_spec* spec);
  36. extern void __setup_cpu_604(unsigned long offset, struct cpu_spec* spec);
  37. extern void __setup_cpu_750(unsigned long offset, struct cpu_spec* spec);
  38. extern void __setup_cpu_750cx(unsigned long offset, struct cpu_spec* spec);
  39. extern void __setup_cpu_750fx(unsigned long offset, struct cpu_spec* spec);
  40. extern void __setup_cpu_7400(unsigned long offset, struct cpu_spec* spec);
  41. extern void __setup_cpu_7410(unsigned long offset, struct cpu_spec* spec);
  42. extern void __setup_cpu_745x(unsigned long offset, struct cpu_spec* spec);
  43. #endif /* CONFIG_PPC32 */
  44. #ifdef CONFIG_PPC64
  45. extern void __setup_cpu_ppc970(unsigned long offset, struct cpu_spec* spec);
  46. extern void __setup_cpu_ppc970MP(unsigned long offset, struct cpu_spec* spec);
  47. extern void __setup_cpu_pa6t(unsigned long offset, struct cpu_spec* spec);
  48. extern void __restore_cpu_pa6t(void);
  49. extern void __restore_cpu_ppc970(void);
  50. #endif /* CONFIG_PPC64 */
  51. /* This table only contains "desktop" CPUs, it need to be filled with embedded
  52. * ones as well...
  53. */
  54. #define COMMON_USER (PPC_FEATURE_32 | PPC_FEATURE_HAS_FPU | \
  55. PPC_FEATURE_HAS_MMU)
  56. #define COMMON_USER_PPC64 (COMMON_USER | PPC_FEATURE_64)
  57. #define COMMON_USER_POWER4 (COMMON_USER_PPC64 | PPC_FEATURE_POWER4)
  58. #define COMMON_USER_POWER5 (COMMON_USER_PPC64 | PPC_FEATURE_POWER5 |\
  59. PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP)
  60. #define COMMON_USER_POWER5_PLUS (COMMON_USER_PPC64 | PPC_FEATURE_POWER5_PLUS|\
  61. PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP)
  62. #define COMMON_USER_POWER6 (COMMON_USER_PPC64 | PPC_FEATURE_ARCH_2_05 |\
  63. PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP | \
  64. PPC_FEATURE_TRUE_LE)
  65. #define COMMON_USER_PA6T (COMMON_USER_PPC64 | PPC_FEATURE_PA6T |\
  66. PPC_FEATURE_TRUE_LE | \
  67. PPC_FEATURE_HAS_ALTIVEC_COMP)
  68. #define COMMON_USER_BOOKE (PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | \
  69. PPC_FEATURE_BOOKE)
  70. static struct cpu_spec __initdata cpu_specs[] = {
  71. #ifdef CONFIG_PPC64
  72. { /* Power3 */
  73. .pvr_mask = 0xffff0000,
  74. .pvr_value = 0x00400000,
  75. .cpu_name = "POWER3 (630)",
  76. .cpu_features = CPU_FTRS_POWER3,
  77. .cpu_user_features = COMMON_USER_PPC64|PPC_FEATURE_PPC_LE,
  78. .icache_bsize = 128,
  79. .dcache_bsize = 128,
  80. .num_pmcs = 8,
  81. .pmc_type = PPC_PMC_IBM,
  82. .oprofile_cpu_type = "ppc64/power3",
  83. .oprofile_type = PPC_OPROFILE_RS64,
  84. .machine_check = machine_check_generic,
  85. .platform = "power3",
  86. },
  87. { /* Power3+ */
  88. .pvr_mask = 0xffff0000,
  89. .pvr_value = 0x00410000,
  90. .cpu_name = "POWER3 (630+)",
  91. .cpu_features = CPU_FTRS_POWER3,
  92. .cpu_user_features = COMMON_USER_PPC64|PPC_FEATURE_PPC_LE,
  93. .icache_bsize = 128,
  94. .dcache_bsize = 128,
  95. .num_pmcs = 8,
  96. .pmc_type = PPC_PMC_IBM,
  97. .oprofile_cpu_type = "ppc64/power3",
  98. .oprofile_type = PPC_OPROFILE_RS64,
  99. .machine_check = machine_check_generic,
  100. .platform = "power3",
  101. },
  102. { /* Northstar */
  103. .pvr_mask = 0xffff0000,
  104. .pvr_value = 0x00330000,
  105. .cpu_name = "RS64-II (northstar)",
  106. .cpu_features = CPU_FTRS_RS64,
  107. .cpu_user_features = COMMON_USER_PPC64,
  108. .icache_bsize = 128,
  109. .dcache_bsize = 128,
  110. .num_pmcs = 8,
  111. .pmc_type = PPC_PMC_IBM,
  112. .oprofile_cpu_type = "ppc64/rs64",
  113. .oprofile_type = PPC_OPROFILE_RS64,
  114. .machine_check = machine_check_generic,
  115. .platform = "rs64",
  116. },
  117. { /* Pulsar */
  118. .pvr_mask = 0xffff0000,
  119. .pvr_value = 0x00340000,
  120. .cpu_name = "RS64-III (pulsar)",
  121. .cpu_features = CPU_FTRS_RS64,
  122. .cpu_user_features = COMMON_USER_PPC64,
  123. .icache_bsize = 128,
  124. .dcache_bsize = 128,
  125. .num_pmcs = 8,
  126. .pmc_type = PPC_PMC_IBM,
  127. .oprofile_cpu_type = "ppc64/rs64",
  128. .oprofile_type = PPC_OPROFILE_RS64,
  129. .machine_check = machine_check_generic,
  130. .platform = "rs64",
  131. },
  132. { /* I-star */
  133. .pvr_mask = 0xffff0000,
  134. .pvr_value = 0x00360000,
  135. .cpu_name = "RS64-III (icestar)",
  136. .cpu_features = CPU_FTRS_RS64,
  137. .cpu_user_features = COMMON_USER_PPC64,
  138. .icache_bsize = 128,
  139. .dcache_bsize = 128,
  140. .num_pmcs = 8,
  141. .pmc_type = PPC_PMC_IBM,
  142. .oprofile_cpu_type = "ppc64/rs64",
  143. .oprofile_type = PPC_OPROFILE_RS64,
  144. .machine_check = machine_check_generic,
  145. .platform = "rs64",
  146. },
  147. { /* S-star */
  148. .pvr_mask = 0xffff0000,
  149. .pvr_value = 0x00370000,
  150. .cpu_name = "RS64-IV (sstar)",
  151. .cpu_features = CPU_FTRS_RS64,
  152. .cpu_user_features = COMMON_USER_PPC64,
  153. .icache_bsize = 128,
  154. .dcache_bsize = 128,
  155. .num_pmcs = 8,
  156. .pmc_type = PPC_PMC_IBM,
  157. .oprofile_cpu_type = "ppc64/rs64",
  158. .oprofile_type = PPC_OPROFILE_RS64,
  159. .machine_check = machine_check_generic,
  160. .platform = "rs64",
  161. },
  162. { /* Power4 */
  163. .pvr_mask = 0xffff0000,
  164. .pvr_value = 0x00350000,
  165. .cpu_name = "POWER4 (gp)",
  166. .cpu_features = CPU_FTRS_POWER4,
  167. .cpu_user_features = COMMON_USER_POWER4,
  168. .icache_bsize = 128,
  169. .dcache_bsize = 128,
  170. .num_pmcs = 8,
  171. .pmc_type = PPC_PMC_IBM,
  172. .oprofile_cpu_type = "ppc64/power4",
  173. .oprofile_type = PPC_OPROFILE_POWER4,
  174. .machine_check = machine_check_generic,
  175. .platform = "power4",
  176. },
  177. { /* Power4+ */
  178. .pvr_mask = 0xffff0000,
  179. .pvr_value = 0x00380000,
  180. .cpu_name = "POWER4+ (gq)",
  181. .cpu_features = CPU_FTRS_POWER4,
  182. .cpu_user_features = COMMON_USER_POWER4,
  183. .icache_bsize = 128,
  184. .dcache_bsize = 128,
  185. .num_pmcs = 8,
  186. .pmc_type = PPC_PMC_IBM,
  187. .oprofile_cpu_type = "ppc64/power4",
  188. .oprofile_type = PPC_OPROFILE_POWER4,
  189. .machine_check = machine_check_generic,
  190. .platform = "power4",
  191. },
  192. { /* PPC970 */
  193. .pvr_mask = 0xffff0000,
  194. .pvr_value = 0x00390000,
  195. .cpu_name = "PPC970",
  196. .cpu_features = CPU_FTRS_PPC970,
  197. .cpu_user_features = COMMON_USER_POWER4 |
  198. PPC_FEATURE_HAS_ALTIVEC_COMP,
  199. .icache_bsize = 128,
  200. .dcache_bsize = 128,
  201. .num_pmcs = 8,
  202. .pmc_type = PPC_PMC_IBM,
  203. .cpu_setup = __setup_cpu_ppc970,
  204. .cpu_restore = __restore_cpu_ppc970,
  205. .oprofile_cpu_type = "ppc64/970",
  206. .oprofile_type = PPC_OPROFILE_POWER4,
  207. .machine_check = machine_check_generic,
  208. .platform = "ppc970",
  209. },
  210. { /* PPC970FX */
  211. .pvr_mask = 0xffff0000,
  212. .pvr_value = 0x003c0000,
  213. .cpu_name = "PPC970FX",
  214. .cpu_features = CPU_FTRS_PPC970,
  215. .cpu_user_features = COMMON_USER_POWER4 |
  216. PPC_FEATURE_HAS_ALTIVEC_COMP,
  217. .icache_bsize = 128,
  218. .dcache_bsize = 128,
  219. .num_pmcs = 8,
  220. .pmc_type = PPC_PMC_IBM,
  221. .cpu_setup = __setup_cpu_ppc970,
  222. .cpu_restore = __restore_cpu_ppc970,
  223. .oprofile_cpu_type = "ppc64/970",
  224. .oprofile_type = PPC_OPROFILE_POWER4,
  225. .machine_check = machine_check_generic,
  226. .platform = "ppc970",
  227. },
  228. { /* PPC970MP DD1.0 - no DEEPNAP, use regular 970 init */
  229. .pvr_mask = 0xffffffff,
  230. .pvr_value = 0x00440100,
  231. .cpu_name = "PPC970MP",
  232. .cpu_features = CPU_FTRS_PPC970,
  233. .cpu_user_features = COMMON_USER_POWER4 |
  234. PPC_FEATURE_HAS_ALTIVEC_COMP,
  235. .icache_bsize = 128,
  236. .dcache_bsize = 128,
  237. .num_pmcs = 8,
  238. .pmc_type = PPC_PMC_IBM,
  239. .cpu_setup = __setup_cpu_ppc970,
  240. .cpu_restore = __restore_cpu_ppc970,
  241. .oprofile_cpu_type = "ppc64/970MP",
  242. .oprofile_type = PPC_OPROFILE_POWER4,
  243. .machine_check = machine_check_generic,
  244. .platform = "ppc970",
  245. },
  246. { /* PPC970MP */
  247. .pvr_mask = 0xffff0000,
  248. .pvr_value = 0x00440000,
  249. .cpu_name = "PPC970MP",
  250. .cpu_features = CPU_FTRS_PPC970,
  251. .cpu_user_features = COMMON_USER_POWER4 |
  252. PPC_FEATURE_HAS_ALTIVEC_COMP,
  253. .icache_bsize = 128,
  254. .dcache_bsize = 128,
  255. .num_pmcs = 8,
  256. .pmc_type = PPC_PMC_IBM,
  257. .cpu_setup = __setup_cpu_ppc970MP,
  258. .cpu_restore = __restore_cpu_ppc970,
  259. .oprofile_cpu_type = "ppc64/970MP",
  260. .oprofile_type = PPC_OPROFILE_POWER4,
  261. .machine_check = machine_check_generic,
  262. .platform = "ppc970",
  263. },
  264. { /* PPC970GX */
  265. .pvr_mask = 0xffff0000,
  266. .pvr_value = 0x00450000,
  267. .cpu_name = "PPC970GX",
  268. .cpu_features = CPU_FTRS_PPC970,
  269. .cpu_user_features = COMMON_USER_POWER4 |
  270. PPC_FEATURE_HAS_ALTIVEC_COMP,
  271. .icache_bsize = 128,
  272. .dcache_bsize = 128,
  273. .num_pmcs = 8,
  274. .pmc_type = PPC_PMC_IBM,
  275. .cpu_setup = __setup_cpu_ppc970,
  276. .oprofile_cpu_type = "ppc64/970",
  277. .oprofile_type = PPC_OPROFILE_POWER4,
  278. .machine_check = machine_check_generic,
  279. .platform = "ppc970",
  280. },
  281. { /* Power5 GR */
  282. .pvr_mask = 0xffff0000,
  283. .pvr_value = 0x003a0000,
  284. .cpu_name = "POWER5 (gr)",
  285. .cpu_features = CPU_FTRS_POWER5,
  286. .cpu_user_features = COMMON_USER_POWER5,
  287. .icache_bsize = 128,
  288. .dcache_bsize = 128,
  289. .num_pmcs = 6,
  290. .pmc_type = PPC_PMC_IBM,
  291. .oprofile_cpu_type = "ppc64/power5",
  292. .oprofile_type = PPC_OPROFILE_POWER4,
  293. /* SIHV / SIPR bits are implemented on POWER4+ (GQ)
  294. * and above but only works on POWER5 and above
  295. */
  296. .oprofile_mmcra_sihv = MMCRA_SIHV,
  297. .oprofile_mmcra_sipr = MMCRA_SIPR,
  298. .machine_check = machine_check_generic,
  299. .platform = "power5",
  300. },
  301. { /* Power5++ */
  302. .pvr_mask = 0xffffff00,
  303. .pvr_value = 0x003b0300,
  304. .cpu_name = "POWER5+ (gs)",
  305. .cpu_features = CPU_FTRS_POWER5,
  306. .cpu_user_features = COMMON_USER_POWER5_PLUS,
  307. .icache_bsize = 128,
  308. .dcache_bsize = 128,
  309. .num_pmcs = 6,
  310. .oprofile_cpu_type = "ppc64/power5++",
  311. .oprofile_type = PPC_OPROFILE_POWER4,
  312. .oprofile_mmcra_sihv = MMCRA_SIHV,
  313. .oprofile_mmcra_sipr = MMCRA_SIPR,
  314. .machine_check = machine_check_generic,
  315. .platform = "power5+",
  316. },
  317. { /* Power5 GS */
  318. .pvr_mask = 0xffff0000,
  319. .pvr_value = 0x003b0000,
  320. .cpu_name = "POWER5+ (gs)",
  321. .cpu_features = CPU_FTRS_POWER5,
  322. .cpu_user_features = COMMON_USER_POWER5_PLUS,
  323. .icache_bsize = 128,
  324. .dcache_bsize = 128,
  325. .num_pmcs = 6,
  326. .pmc_type = PPC_PMC_IBM,
  327. .oprofile_cpu_type = "ppc64/power5+",
  328. .oprofile_type = PPC_OPROFILE_POWER4,
  329. .oprofile_mmcra_sihv = MMCRA_SIHV,
  330. .oprofile_mmcra_sipr = MMCRA_SIPR,
  331. .machine_check = machine_check_generic,
  332. .platform = "power5+",
  333. },
  334. { /* POWER6 in P5+ mode; 2.04-compliant processor */
  335. .pvr_mask = 0xffffffff,
  336. .pvr_value = 0x0f000001,
  337. .cpu_name = "POWER5+",
  338. .cpu_features = CPU_FTRS_POWER5,
  339. .cpu_user_features = COMMON_USER_POWER5_PLUS,
  340. .icache_bsize = 128,
  341. .dcache_bsize = 128,
  342. .machine_check = machine_check_generic,
  343. .platform = "power5+",
  344. },
  345. { /* Power6 */
  346. .pvr_mask = 0xffff0000,
  347. .pvr_value = 0x003e0000,
  348. .cpu_name = "POWER6 (raw)",
  349. .cpu_features = CPU_FTRS_POWER6,
  350. .cpu_user_features = COMMON_USER_POWER6 |
  351. PPC_FEATURE_POWER6_EXT,
  352. .icache_bsize = 128,
  353. .dcache_bsize = 128,
  354. .num_pmcs = 6,
  355. .pmc_type = PPC_PMC_IBM,
  356. .oprofile_cpu_type = "ppc64/power6",
  357. .oprofile_type = PPC_OPROFILE_POWER4,
  358. .oprofile_mmcra_sihv = POWER6_MMCRA_SIHV,
  359. .oprofile_mmcra_sipr = POWER6_MMCRA_SIPR,
  360. .oprofile_mmcra_clear = POWER6_MMCRA_THRM |
  361. POWER6_MMCRA_OTHER,
  362. .machine_check = machine_check_generic,
  363. .platform = "power6x",
  364. },
  365. { /* 2.05-compliant processor, i.e. Power6 "architected" mode */
  366. .pvr_mask = 0xffffffff,
  367. .pvr_value = 0x0f000002,
  368. .cpu_name = "POWER6 (architected)",
  369. .cpu_features = CPU_FTRS_POWER6,
  370. .cpu_user_features = COMMON_USER_POWER6,
  371. .icache_bsize = 128,
  372. .dcache_bsize = 128,
  373. .machine_check = machine_check_generic,
  374. .platform = "power6",
  375. },
  376. { /* Cell Broadband Engine */
  377. .pvr_mask = 0xffff0000,
  378. .pvr_value = 0x00700000,
  379. .cpu_name = "Cell Broadband Engine",
  380. .cpu_features = CPU_FTRS_CELL,
  381. .cpu_user_features = COMMON_USER_PPC64 |
  382. PPC_FEATURE_CELL | PPC_FEATURE_HAS_ALTIVEC_COMP |
  383. PPC_FEATURE_SMT,
  384. .icache_bsize = 128,
  385. .dcache_bsize = 128,
  386. .num_pmcs = 4,
  387. .pmc_type = PPC_PMC_IBM,
  388. .oprofile_cpu_type = "ppc64/cell-be",
  389. .oprofile_type = PPC_OPROFILE_CELL,
  390. .machine_check = machine_check_generic,
  391. .platform = "ppc-cell-be",
  392. },
  393. { /* PA Semi PA6T */
  394. .pvr_mask = 0x7fff0000,
  395. .pvr_value = 0x00900000,
  396. .cpu_name = "PA6T",
  397. .cpu_features = CPU_FTRS_PA6T,
  398. .cpu_user_features = COMMON_USER_PA6T,
  399. .icache_bsize = 64,
  400. .dcache_bsize = 64,
  401. .num_pmcs = 6,
  402. .pmc_type = PPC_PMC_PA6T,
  403. .cpu_setup = __setup_cpu_pa6t,
  404. .cpu_restore = __restore_cpu_pa6t,
  405. .oprofile_cpu_type = "ppc64/pa6t",
  406. .oprofile_type = PPC_OPROFILE_PA6T,
  407. .machine_check = machine_check_generic,
  408. .platform = "pa6t",
  409. },
  410. { /* default match */
  411. .pvr_mask = 0x00000000,
  412. .pvr_value = 0x00000000,
  413. .cpu_name = "POWER4 (compatible)",
  414. .cpu_features = CPU_FTRS_COMPATIBLE,
  415. .cpu_user_features = COMMON_USER_PPC64,
  416. .icache_bsize = 128,
  417. .dcache_bsize = 128,
  418. .num_pmcs = 6,
  419. .pmc_type = PPC_PMC_IBM,
  420. .machine_check = machine_check_generic,
  421. .platform = "power4",
  422. }
  423. #endif /* CONFIG_PPC64 */
  424. #ifdef CONFIG_PPC32
  425. #if CLASSIC_PPC
  426. { /* 601 */
  427. .pvr_mask = 0xffff0000,
  428. .pvr_value = 0x00010000,
  429. .cpu_name = "601",
  430. .cpu_features = CPU_FTRS_PPC601,
  431. .cpu_user_features = COMMON_USER | PPC_FEATURE_601_INSTR |
  432. PPC_FEATURE_UNIFIED_CACHE | PPC_FEATURE_NO_TB,
  433. .icache_bsize = 32,
  434. .dcache_bsize = 32,
  435. .machine_check = machine_check_generic,
  436. .platform = "ppc601",
  437. },
  438. { /* 603 */
  439. .pvr_mask = 0xffff0000,
  440. .pvr_value = 0x00030000,
  441. .cpu_name = "603",
  442. .cpu_features = CPU_FTRS_603,
  443. .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
  444. .icache_bsize = 32,
  445. .dcache_bsize = 32,
  446. .cpu_setup = __setup_cpu_603,
  447. .machine_check = machine_check_generic,
  448. .platform = "ppc603",
  449. },
  450. { /* 603e */
  451. .pvr_mask = 0xffff0000,
  452. .pvr_value = 0x00060000,
  453. .cpu_name = "603e",
  454. .cpu_features = CPU_FTRS_603,
  455. .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
  456. .icache_bsize = 32,
  457. .dcache_bsize = 32,
  458. .cpu_setup = __setup_cpu_603,
  459. .machine_check = machine_check_generic,
  460. .platform = "ppc603",
  461. },
  462. { /* 603ev */
  463. .pvr_mask = 0xffff0000,
  464. .pvr_value = 0x00070000,
  465. .cpu_name = "603ev",
  466. .cpu_features = CPU_FTRS_603,
  467. .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
  468. .icache_bsize = 32,
  469. .dcache_bsize = 32,
  470. .cpu_setup = __setup_cpu_603,
  471. .machine_check = machine_check_generic,
  472. .platform = "ppc603",
  473. },
  474. { /* 604 */
  475. .pvr_mask = 0xffff0000,
  476. .pvr_value = 0x00040000,
  477. .cpu_name = "604",
  478. .cpu_features = CPU_FTRS_604,
  479. .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
  480. .icache_bsize = 32,
  481. .dcache_bsize = 32,
  482. .num_pmcs = 2,
  483. .cpu_setup = __setup_cpu_604,
  484. .machine_check = machine_check_generic,
  485. .platform = "ppc604",
  486. },
  487. { /* 604e */
  488. .pvr_mask = 0xfffff000,
  489. .pvr_value = 0x00090000,
  490. .cpu_name = "604e",
  491. .cpu_features = CPU_FTRS_604,
  492. .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
  493. .icache_bsize = 32,
  494. .dcache_bsize = 32,
  495. .num_pmcs = 4,
  496. .cpu_setup = __setup_cpu_604,
  497. .machine_check = machine_check_generic,
  498. .platform = "ppc604",
  499. },
  500. { /* 604r */
  501. .pvr_mask = 0xffff0000,
  502. .pvr_value = 0x00090000,
  503. .cpu_name = "604r",
  504. .cpu_features = CPU_FTRS_604,
  505. .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
  506. .icache_bsize = 32,
  507. .dcache_bsize = 32,
  508. .num_pmcs = 4,
  509. .cpu_setup = __setup_cpu_604,
  510. .machine_check = machine_check_generic,
  511. .platform = "ppc604",
  512. },
  513. { /* 604ev */
  514. .pvr_mask = 0xffff0000,
  515. .pvr_value = 0x000a0000,
  516. .cpu_name = "604ev",
  517. .cpu_features = CPU_FTRS_604,
  518. .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
  519. .icache_bsize = 32,
  520. .dcache_bsize = 32,
  521. .num_pmcs = 4,
  522. .cpu_setup = __setup_cpu_604,
  523. .machine_check = machine_check_generic,
  524. .platform = "ppc604",
  525. },
  526. { /* 740/750 (0x4202, don't support TAU ?) */
  527. .pvr_mask = 0xffffffff,
  528. .pvr_value = 0x00084202,
  529. .cpu_name = "740/750",
  530. .cpu_features = CPU_FTRS_740_NOTAU,
  531. .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
  532. .icache_bsize = 32,
  533. .dcache_bsize = 32,
  534. .num_pmcs = 4,
  535. .cpu_setup = __setup_cpu_750,
  536. .machine_check = machine_check_generic,
  537. .platform = "ppc750",
  538. },
  539. { /* 750CX (80100 and 8010x?) */
  540. .pvr_mask = 0xfffffff0,
  541. .pvr_value = 0x00080100,
  542. .cpu_name = "750CX",
  543. .cpu_features = CPU_FTRS_750,
  544. .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
  545. .icache_bsize = 32,
  546. .dcache_bsize = 32,
  547. .num_pmcs = 4,
  548. .cpu_setup = __setup_cpu_750cx,
  549. .machine_check = machine_check_generic,
  550. .platform = "ppc750",
  551. },
  552. { /* 750CX (82201 and 82202) */
  553. .pvr_mask = 0xfffffff0,
  554. .pvr_value = 0x00082200,
  555. .cpu_name = "750CX",
  556. .cpu_features = CPU_FTRS_750,
  557. .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
  558. .icache_bsize = 32,
  559. .dcache_bsize = 32,
  560. .num_pmcs = 4,
  561. .cpu_setup = __setup_cpu_750cx,
  562. .machine_check = machine_check_generic,
  563. .platform = "ppc750",
  564. },
  565. { /* 750CXe (82214) */
  566. .pvr_mask = 0xfffffff0,
  567. .pvr_value = 0x00082210,
  568. .cpu_name = "750CXe",
  569. .cpu_features = CPU_FTRS_750,
  570. .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
  571. .icache_bsize = 32,
  572. .dcache_bsize = 32,
  573. .num_pmcs = 4,
  574. .cpu_setup = __setup_cpu_750cx,
  575. .machine_check = machine_check_generic,
  576. .platform = "ppc750",
  577. },
  578. { /* 750CXe "Gekko" (83214) */
  579. .pvr_mask = 0xffffffff,
  580. .pvr_value = 0x00083214,
  581. .cpu_name = "750CXe",
  582. .cpu_features = CPU_FTRS_750,
  583. .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
  584. .icache_bsize = 32,
  585. .dcache_bsize = 32,
  586. .num_pmcs = 4,
  587. .cpu_setup = __setup_cpu_750cx,
  588. .machine_check = machine_check_generic,
  589. .platform = "ppc750",
  590. },
  591. { /* 750CL */
  592. .pvr_mask = 0xfffff0f0,
  593. .pvr_value = 0x00087010,
  594. .cpu_name = "750CL",
  595. .cpu_features = CPU_FTRS_750CL,
  596. .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
  597. .icache_bsize = 32,
  598. .dcache_bsize = 32,
  599. .num_pmcs = 4,
  600. .cpu_setup = __setup_cpu_750,
  601. .machine_check = machine_check_generic,
  602. .platform = "ppc750",
  603. },
  604. { /* 745/755 */
  605. .pvr_mask = 0xfffff000,
  606. .pvr_value = 0x00083000,
  607. .cpu_name = "745/755",
  608. .cpu_features = CPU_FTRS_750,
  609. .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
  610. .icache_bsize = 32,
  611. .dcache_bsize = 32,
  612. .num_pmcs = 4,
  613. .cpu_setup = __setup_cpu_750,
  614. .machine_check = machine_check_generic,
  615. .platform = "ppc750",
  616. },
  617. { /* 750FX rev 1.x */
  618. .pvr_mask = 0xffffff00,
  619. .pvr_value = 0x70000100,
  620. .cpu_name = "750FX",
  621. .cpu_features = CPU_FTRS_750FX1,
  622. .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
  623. .icache_bsize = 32,
  624. .dcache_bsize = 32,
  625. .num_pmcs = 4,
  626. .cpu_setup = __setup_cpu_750,
  627. .machine_check = machine_check_generic,
  628. .platform = "ppc750",
  629. },
  630. { /* 750FX rev 2.0 must disable HID0[DPM] */
  631. .pvr_mask = 0xffffffff,
  632. .pvr_value = 0x70000200,
  633. .cpu_name = "750FX",
  634. .cpu_features = CPU_FTRS_750FX2,
  635. .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
  636. .icache_bsize = 32,
  637. .dcache_bsize = 32,
  638. .num_pmcs = 4,
  639. .cpu_setup = __setup_cpu_750,
  640. .machine_check = machine_check_generic,
  641. .platform = "ppc750",
  642. },
  643. { /* 750FX (All revs except 2.0) */
  644. .pvr_mask = 0xffff0000,
  645. .pvr_value = 0x70000000,
  646. .cpu_name = "750FX",
  647. .cpu_features = CPU_FTRS_750FX,
  648. .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
  649. .icache_bsize = 32,
  650. .dcache_bsize = 32,
  651. .num_pmcs = 4,
  652. .cpu_setup = __setup_cpu_750fx,
  653. .machine_check = machine_check_generic,
  654. .platform = "ppc750",
  655. },
  656. { /* 750GX */
  657. .pvr_mask = 0xffff0000,
  658. .pvr_value = 0x70020000,
  659. .cpu_name = "750GX",
  660. .cpu_features = CPU_FTRS_750GX,
  661. .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
  662. .icache_bsize = 32,
  663. .dcache_bsize = 32,
  664. .num_pmcs = 4,
  665. .cpu_setup = __setup_cpu_750fx,
  666. .machine_check = machine_check_generic,
  667. .platform = "ppc750",
  668. },
  669. { /* 740/750 (L2CR bit need fixup for 740) */
  670. .pvr_mask = 0xffff0000,
  671. .pvr_value = 0x00080000,
  672. .cpu_name = "740/750",
  673. .cpu_features = CPU_FTRS_740,
  674. .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
  675. .icache_bsize = 32,
  676. .dcache_bsize = 32,
  677. .num_pmcs = 4,
  678. .cpu_setup = __setup_cpu_750,
  679. .machine_check = machine_check_generic,
  680. .platform = "ppc750",
  681. },
  682. { /* 7400 rev 1.1 ? (no TAU) */
  683. .pvr_mask = 0xffffffff,
  684. .pvr_value = 0x000c1101,
  685. .cpu_name = "7400 (1.1)",
  686. .cpu_features = CPU_FTRS_7400_NOTAU,
  687. .cpu_user_features = COMMON_USER |
  688. PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
  689. .icache_bsize = 32,
  690. .dcache_bsize = 32,
  691. .num_pmcs = 4,
  692. .cpu_setup = __setup_cpu_7400,
  693. .machine_check = machine_check_generic,
  694. .platform = "ppc7400",
  695. },
  696. { /* 7400 */
  697. .pvr_mask = 0xffff0000,
  698. .pvr_value = 0x000c0000,
  699. .cpu_name = "7400",
  700. .cpu_features = CPU_FTRS_7400,
  701. .cpu_user_features = COMMON_USER |
  702. PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
  703. .icache_bsize = 32,
  704. .dcache_bsize = 32,
  705. .num_pmcs = 4,
  706. .cpu_setup = __setup_cpu_7400,
  707. .machine_check = machine_check_generic,
  708. .platform = "ppc7400",
  709. },
  710. { /* 7410 */
  711. .pvr_mask = 0xffff0000,
  712. .pvr_value = 0x800c0000,
  713. .cpu_name = "7410",
  714. .cpu_features = CPU_FTRS_7400,
  715. .cpu_user_features = COMMON_USER |
  716. PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
  717. .icache_bsize = 32,
  718. .dcache_bsize = 32,
  719. .num_pmcs = 4,
  720. .cpu_setup = __setup_cpu_7410,
  721. .machine_check = machine_check_generic,
  722. .platform = "ppc7400",
  723. },
  724. { /* 7450 2.0 - no doze/nap */
  725. .pvr_mask = 0xffffffff,
  726. .pvr_value = 0x80000200,
  727. .cpu_name = "7450",
  728. .cpu_features = CPU_FTRS_7450_20,
  729. .cpu_user_features = COMMON_USER |
  730. PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
  731. .icache_bsize = 32,
  732. .dcache_bsize = 32,
  733. .num_pmcs = 6,
  734. .cpu_setup = __setup_cpu_745x,
  735. .oprofile_cpu_type = "ppc/7450",
  736. .oprofile_type = PPC_OPROFILE_G4,
  737. .machine_check = machine_check_generic,
  738. .platform = "ppc7450",
  739. },
  740. { /* 7450 2.1 */
  741. .pvr_mask = 0xffffffff,
  742. .pvr_value = 0x80000201,
  743. .cpu_name = "7450",
  744. .cpu_features = CPU_FTRS_7450_21,
  745. .cpu_user_features = COMMON_USER |
  746. PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
  747. .icache_bsize = 32,
  748. .dcache_bsize = 32,
  749. .num_pmcs = 6,
  750. .cpu_setup = __setup_cpu_745x,
  751. .oprofile_cpu_type = "ppc/7450",
  752. .oprofile_type = PPC_OPROFILE_G4,
  753. .machine_check = machine_check_generic,
  754. .platform = "ppc7450",
  755. },
  756. { /* 7450 2.3 and newer */
  757. .pvr_mask = 0xffff0000,
  758. .pvr_value = 0x80000000,
  759. .cpu_name = "7450",
  760. .cpu_features = CPU_FTRS_7450_23,
  761. .cpu_user_features = COMMON_USER |
  762. PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
  763. .icache_bsize = 32,
  764. .dcache_bsize = 32,
  765. .num_pmcs = 6,
  766. .cpu_setup = __setup_cpu_745x,
  767. .oprofile_cpu_type = "ppc/7450",
  768. .oprofile_type = PPC_OPROFILE_G4,
  769. .machine_check = machine_check_generic,
  770. .platform = "ppc7450",
  771. },
  772. { /* 7455 rev 1.x */
  773. .pvr_mask = 0xffffff00,
  774. .pvr_value = 0x80010100,
  775. .cpu_name = "7455",
  776. .cpu_features = CPU_FTRS_7455_1,
  777. .cpu_user_features = COMMON_USER |
  778. PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
  779. .icache_bsize = 32,
  780. .dcache_bsize = 32,
  781. .num_pmcs = 6,
  782. .cpu_setup = __setup_cpu_745x,
  783. .oprofile_cpu_type = "ppc/7450",
  784. .oprofile_type = PPC_OPROFILE_G4,
  785. .machine_check = machine_check_generic,
  786. .platform = "ppc7450",
  787. },
  788. { /* 7455 rev 2.0 */
  789. .pvr_mask = 0xffffffff,
  790. .pvr_value = 0x80010200,
  791. .cpu_name = "7455",
  792. .cpu_features = CPU_FTRS_7455_20,
  793. .cpu_user_features = COMMON_USER |
  794. PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
  795. .icache_bsize = 32,
  796. .dcache_bsize = 32,
  797. .num_pmcs = 6,
  798. .cpu_setup = __setup_cpu_745x,
  799. .oprofile_cpu_type = "ppc/7450",
  800. .oprofile_type = PPC_OPROFILE_G4,
  801. .machine_check = machine_check_generic,
  802. .platform = "ppc7450",
  803. },
  804. { /* 7455 others */
  805. .pvr_mask = 0xffff0000,
  806. .pvr_value = 0x80010000,
  807. .cpu_name = "7455",
  808. .cpu_features = CPU_FTRS_7455,
  809. .cpu_user_features = COMMON_USER |
  810. PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
  811. .icache_bsize = 32,
  812. .dcache_bsize = 32,
  813. .num_pmcs = 6,
  814. .cpu_setup = __setup_cpu_745x,
  815. .oprofile_cpu_type = "ppc/7450",
  816. .oprofile_type = PPC_OPROFILE_G4,
  817. .machine_check = machine_check_generic,
  818. .platform = "ppc7450",
  819. },
  820. { /* 7447/7457 Rev 1.0 */
  821. .pvr_mask = 0xffffffff,
  822. .pvr_value = 0x80020100,
  823. .cpu_name = "7447/7457",
  824. .cpu_features = CPU_FTRS_7447_10,
  825. .cpu_user_features = COMMON_USER |
  826. PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
  827. .icache_bsize = 32,
  828. .dcache_bsize = 32,
  829. .num_pmcs = 6,
  830. .cpu_setup = __setup_cpu_745x,
  831. .oprofile_cpu_type = "ppc/7450",
  832. .oprofile_type = PPC_OPROFILE_G4,
  833. .machine_check = machine_check_generic,
  834. .platform = "ppc7450",
  835. },
  836. { /* 7447/7457 Rev 1.1 */
  837. .pvr_mask = 0xffffffff,
  838. .pvr_value = 0x80020101,
  839. .cpu_name = "7447/7457",
  840. .cpu_features = CPU_FTRS_7447_10,
  841. .cpu_user_features = COMMON_USER |
  842. PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
  843. .icache_bsize = 32,
  844. .dcache_bsize = 32,
  845. .num_pmcs = 6,
  846. .cpu_setup = __setup_cpu_745x,
  847. .oprofile_cpu_type = "ppc/7450",
  848. .oprofile_type = PPC_OPROFILE_G4,
  849. .machine_check = machine_check_generic,
  850. .platform = "ppc7450",
  851. },
  852. { /* 7447/7457 Rev 1.2 and later */
  853. .pvr_mask = 0xffff0000,
  854. .pvr_value = 0x80020000,
  855. .cpu_name = "7447/7457",
  856. .cpu_features = CPU_FTRS_7447,
  857. .cpu_user_features = COMMON_USER | PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
  858. .icache_bsize = 32,
  859. .dcache_bsize = 32,
  860. .num_pmcs = 6,
  861. .cpu_setup = __setup_cpu_745x,
  862. .oprofile_cpu_type = "ppc/7450",
  863. .oprofile_type = PPC_OPROFILE_G4,
  864. .machine_check = machine_check_generic,
  865. .platform = "ppc7450",
  866. },
  867. { /* 7447A */
  868. .pvr_mask = 0xffff0000,
  869. .pvr_value = 0x80030000,
  870. .cpu_name = "7447A",
  871. .cpu_features = CPU_FTRS_7447A,
  872. .cpu_user_features = COMMON_USER |
  873. PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
  874. .icache_bsize = 32,
  875. .dcache_bsize = 32,
  876. .num_pmcs = 6,
  877. .cpu_setup = __setup_cpu_745x,
  878. .oprofile_cpu_type = "ppc/7450",
  879. .oprofile_type = PPC_OPROFILE_G4,
  880. .machine_check = machine_check_generic,
  881. .platform = "ppc7450",
  882. },
  883. { /* 7448 */
  884. .pvr_mask = 0xffff0000,
  885. .pvr_value = 0x80040000,
  886. .cpu_name = "7448",
  887. .cpu_features = CPU_FTRS_7448,
  888. .cpu_user_features = COMMON_USER |
  889. PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
  890. .icache_bsize = 32,
  891. .dcache_bsize = 32,
  892. .num_pmcs = 6,
  893. .cpu_setup = __setup_cpu_745x,
  894. .oprofile_cpu_type = "ppc/7450",
  895. .oprofile_type = PPC_OPROFILE_G4,
  896. .machine_check = machine_check_generic,
  897. .platform = "ppc7450",
  898. },
  899. { /* 82xx (8240, 8245, 8260 are all 603e cores) */
  900. .pvr_mask = 0x7fff0000,
  901. .pvr_value = 0x00810000,
  902. .cpu_name = "82xx",
  903. .cpu_features = CPU_FTRS_82XX,
  904. .cpu_user_features = COMMON_USER,
  905. .icache_bsize = 32,
  906. .dcache_bsize = 32,
  907. .cpu_setup = __setup_cpu_603,
  908. .machine_check = machine_check_generic,
  909. .platform = "ppc603",
  910. },
  911. { /* All G2_LE (603e core, plus some) have the same pvr */
  912. .pvr_mask = 0x7fff0000,
  913. .pvr_value = 0x00820000,
  914. .cpu_name = "G2_LE",
  915. .cpu_features = CPU_FTRS_G2_LE,
  916. .cpu_user_features = COMMON_USER,
  917. .icache_bsize = 32,
  918. .dcache_bsize = 32,
  919. .cpu_setup = __setup_cpu_603,
  920. .machine_check = machine_check_generic,
  921. .platform = "ppc603",
  922. },
  923. { /* e300c1 (a 603e core, plus some) on 83xx */
  924. .pvr_mask = 0x7fff0000,
  925. .pvr_value = 0x00830000,
  926. .cpu_name = "e300c1",
  927. .cpu_features = CPU_FTRS_E300,
  928. .cpu_user_features = COMMON_USER,
  929. .icache_bsize = 32,
  930. .dcache_bsize = 32,
  931. .cpu_setup = __setup_cpu_603,
  932. .machine_check = machine_check_generic,
  933. .platform = "ppc603",
  934. },
  935. { /* e300c2 (an e300c1 core, plus some, minus FPU) on 83xx */
  936. .pvr_mask = 0x7fff0000,
  937. .pvr_value = 0x00840000,
  938. .cpu_name = "e300c2",
  939. .cpu_features = CPU_FTRS_E300C2,
  940. .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU,
  941. .icache_bsize = 32,
  942. .dcache_bsize = 32,
  943. .cpu_setup = __setup_cpu_603,
  944. .machine_check = machine_check_generic,
  945. .platform = "ppc603",
  946. },
  947. { /* e300c3 (e300c1, plus one IU, half cache size) on 83xx */
  948. .pvr_mask = 0x7fff0000,
  949. .pvr_value = 0x00850000,
  950. .cpu_name = "e300c3",
  951. .cpu_features = CPU_FTRS_E300,
  952. .cpu_user_features = COMMON_USER,
  953. .icache_bsize = 32,
  954. .dcache_bsize = 32,
  955. .cpu_setup = __setup_cpu_603,
  956. .num_pmcs = 4,
  957. .oprofile_cpu_type = "ppc/e300",
  958. .oprofile_type = PPC_OPROFILE_FSL_EMB,
  959. .platform = "ppc603",
  960. },
  961. { /* e300c4 (e300c1, plus one IU) */
  962. .pvr_mask = 0x7fff0000,
  963. .pvr_value = 0x00860000,
  964. .cpu_name = "e300c4",
  965. .cpu_features = CPU_FTRS_E300,
  966. .cpu_user_features = COMMON_USER,
  967. .icache_bsize = 32,
  968. .dcache_bsize = 32,
  969. .cpu_setup = __setup_cpu_603,
  970. .machine_check = machine_check_generic,
  971. .num_pmcs = 4,
  972. .oprofile_cpu_type = "ppc/e300",
  973. .oprofile_type = PPC_OPROFILE_FSL_EMB,
  974. .platform = "ppc603",
  975. },
  976. { /* default match, we assume split I/D cache & TB (non-601)... */
  977. .pvr_mask = 0x00000000,
  978. .pvr_value = 0x00000000,
  979. .cpu_name = "(generic PPC)",
  980. .cpu_features = CPU_FTRS_CLASSIC32,
  981. .cpu_user_features = COMMON_USER,
  982. .icache_bsize = 32,
  983. .dcache_bsize = 32,
  984. .machine_check = machine_check_generic,
  985. .platform = "ppc603",
  986. },
  987. #endif /* CLASSIC_PPC */
  988. #ifdef CONFIG_8xx
  989. { /* 8xx */
  990. .pvr_mask = 0xffff0000,
  991. .pvr_value = 0x00500000,
  992. .cpu_name = "8xx",
  993. /* CPU_FTR_MAYBE_CAN_DOZE is possible,
  994. * if the 8xx code is there.... */
  995. .cpu_features = CPU_FTRS_8XX,
  996. .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU,
  997. .icache_bsize = 16,
  998. .dcache_bsize = 16,
  999. .platform = "ppc823",
  1000. },
  1001. #endif /* CONFIG_8xx */
  1002. #ifdef CONFIG_40x
  1003. { /* 403GC */
  1004. .pvr_mask = 0xffffff00,
  1005. .pvr_value = 0x00200200,
  1006. .cpu_name = "403GC",
  1007. .cpu_features = CPU_FTRS_40X,
  1008. .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU,
  1009. .icache_bsize = 16,
  1010. .dcache_bsize = 16,
  1011. .machine_check = machine_check_4xx,
  1012. .platform = "ppc403",
  1013. },
  1014. { /* 403GCX */
  1015. .pvr_mask = 0xffffff00,
  1016. .pvr_value = 0x00201400,
  1017. .cpu_name = "403GCX",
  1018. .cpu_features = CPU_FTRS_40X,
  1019. .cpu_user_features = PPC_FEATURE_32 |
  1020. PPC_FEATURE_HAS_MMU | PPC_FEATURE_NO_TB,
  1021. .icache_bsize = 16,
  1022. .dcache_bsize = 16,
  1023. .machine_check = machine_check_4xx,
  1024. .platform = "ppc403",
  1025. },
  1026. { /* 403G ?? */
  1027. .pvr_mask = 0xffff0000,
  1028. .pvr_value = 0x00200000,
  1029. .cpu_name = "403G ??",
  1030. .cpu_features = CPU_FTRS_40X,
  1031. .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU,
  1032. .icache_bsize = 16,
  1033. .dcache_bsize = 16,
  1034. .machine_check = machine_check_4xx,
  1035. .platform = "ppc403",
  1036. },
  1037. { /* 405GP */
  1038. .pvr_mask = 0xffff0000,
  1039. .pvr_value = 0x40110000,
  1040. .cpu_name = "405GP",
  1041. .cpu_features = CPU_FTRS_40X,
  1042. .cpu_user_features = PPC_FEATURE_32 |
  1043. PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
  1044. .icache_bsize = 32,
  1045. .dcache_bsize = 32,
  1046. .machine_check = machine_check_4xx,
  1047. .platform = "ppc405",
  1048. },
  1049. { /* STB 03xxx */
  1050. .pvr_mask = 0xffff0000,
  1051. .pvr_value = 0x40130000,
  1052. .cpu_name = "STB03xxx",
  1053. .cpu_features = CPU_FTRS_40X,
  1054. .cpu_user_features = PPC_FEATURE_32 |
  1055. PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
  1056. .icache_bsize = 32,
  1057. .dcache_bsize = 32,
  1058. .machine_check = machine_check_4xx,
  1059. .platform = "ppc405",
  1060. },
  1061. { /* STB 04xxx */
  1062. .pvr_mask = 0xffff0000,
  1063. .pvr_value = 0x41810000,
  1064. .cpu_name = "STB04xxx",
  1065. .cpu_features = CPU_FTRS_40X,
  1066. .cpu_user_features = PPC_FEATURE_32 |
  1067. PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
  1068. .icache_bsize = 32,
  1069. .dcache_bsize = 32,
  1070. .machine_check = machine_check_4xx,
  1071. .platform = "ppc405",
  1072. },
  1073. { /* NP405L */
  1074. .pvr_mask = 0xffff0000,
  1075. .pvr_value = 0x41610000,
  1076. .cpu_name = "NP405L",
  1077. .cpu_features = CPU_FTRS_40X,
  1078. .cpu_user_features = PPC_FEATURE_32 |
  1079. PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
  1080. .icache_bsize = 32,
  1081. .dcache_bsize = 32,
  1082. .machine_check = machine_check_4xx,
  1083. .platform = "ppc405",
  1084. },
  1085. { /* NP4GS3 */
  1086. .pvr_mask = 0xffff0000,
  1087. .pvr_value = 0x40B10000,
  1088. .cpu_name = "NP4GS3",
  1089. .cpu_features = CPU_FTRS_40X,
  1090. .cpu_user_features = PPC_FEATURE_32 |
  1091. PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
  1092. .icache_bsize = 32,
  1093. .dcache_bsize = 32,
  1094. .machine_check = machine_check_4xx,
  1095. .platform = "ppc405",
  1096. },
  1097. { /* NP405H */
  1098. .pvr_mask = 0xffff0000,
  1099. .pvr_value = 0x41410000,
  1100. .cpu_name = "NP405H",
  1101. .cpu_features = CPU_FTRS_40X,
  1102. .cpu_user_features = PPC_FEATURE_32 |
  1103. PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
  1104. .icache_bsize = 32,
  1105. .dcache_bsize = 32,
  1106. .machine_check = machine_check_4xx,
  1107. .platform = "ppc405",
  1108. },
  1109. { /* 405GPr */
  1110. .pvr_mask = 0xffff0000,
  1111. .pvr_value = 0x50910000,
  1112. .cpu_name = "405GPr",
  1113. .cpu_features = CPU_FTRS_40X,
  1114. .cpu_user_features = PPC_FEATURE_32 |
  1115. PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
  1116. .icache_bsize = 32,
  1117. .dcache_bsize = 32,
  1118. .machine_check = machine_check_4xx,
  1119. .platform = "ppc405",
  1120. },
  1121. { /* STBx25xx */
  1122. .pvr_mask = 0xffff0000,
  1123. .pvr_value = 0x51510000,
  1124. .cpu_name = "STBx25xx",
  1125. .cpu_features = CPU_FTRS_40X,
  1126. .cpu_user_features = PPC_FEATURE_32 |
  1127. PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
  1128. .icache_bsize = 32,
  1129. .dcache_bsize = 32,
  1130. .machine_check = machine_check_4xx,
  1131. .platform = "ppc405",
  1132. },
  1133. { /* 405LP */
  1134. .pvr_mask = 0xffff0000,
  1135. .pvr_value = 0x41F10000,
  1136. .cpu_name = "405LP",
  1137. .cpu_features = CPU_FTRS_40X,
  1138. .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU,
  1139. .icache_bsize = 32,
  1140. .dcache_bsize = 32,
  1141. .machine_check = machine_check_4xx,
  1142. .platform = "ppc405",
  1143. },
  1144. { /* Xilinx Virtex-II Pro */
  1145. .pvr_mask = 0xfffff000,
  1146. .pvr_value = 0x20010000,
  1147. .cpu_name = "Virtex-II Pro",
  1148. .cpu_features = CPU_FTRS_40X,
  1149. .cpu_user_features = PPC_FEATURE_32 |
  1150. PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
  1151. .icache_bsize = 32,
  1152. .dcache_bsize = 32,
  1153. .machine_check = machine_check_4xx,
  1154. .platform = "ppc405",
  1155. },
  1156. { /* Xilinx Virtex-4 FX */
  1157. .pvr_mask = 0xfffff000,
  1158. .pvr_value = 0x20011000,
  1159. .cpu_name = "Virtex-4 FX",
  1160. .cpu_features = CPU_FTRS_40X,
  1161. .cpu_user_features = PPC_FEATURE_32 |
  1162. PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
  1163. .icache_bsize = 32,
  1164. .dcache_bsize = 32,
  1165. .machine_check = machine_check_4xx,
  1166. .platform = "ppc405",
  1167. },
  1168. { /* 405EP */
  1169. .pvr_mask = 0xffff0000,
  1170. .pvr_value = 0x51210000,
  1171. .cpu_name = "405EP",
  1172. .cpu_features = CPU_FTRS_40X,
  1173. .cpu_user_features = PPC_FEATURE_32 |
  1174. PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
  1175. .icache_bsize = 32,
  1176. .dcache_bsize = 32,
  1177. .machine_check = machine_check_4xx,
  1178. .platform = "ppc405",
  1179. },
  1180. { /* 405EX */
  1181. .pvr_mask = 0xffff0004,
  1182. .pvr_value = 0x12910004,
  1183. .cpu_name = "405EX",
  1184. .cpu_features = CPU_FTRS_40X,
  1185. .cpu_user_features = PPC_FEATURE_32 |
  1186. PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
  1187. .icache_bsize = 32,
  1188. .dcache_bsize = 32,
  1189. .machine_check = machine_check_4xx,
  1190. .platform = "ppc405",
  1191. },
  1192. { /* 405EXr */
  1193. .pvr_mask = 0xffff0004,
  1194. .pvr_value = 0x12910000,
  1195. .cpu_name = "405EXr",
  1196. .cpu_features = CPU_FTRS_40X,
  1197. .cpu_user_features = PPC_FEATURE_32 |
  1198. PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
  1199. .icache_bsize = 32,
  1200. .dcache_bsize = 32,
  1201. .machine_check = machine_check_4xx,
  1202. .platform = "ppc405",
  1203. },
  1204. #endif /* CONFIG_40x */
  1205. #ifdef CONFIG_44x
  1206. {
  1207. .pvr_mask = 0xf0000fff,
  1208. .pvr_value = 0x40000850,
  1209. .cpu_name = "440GR Rev. A",
  1210. .cpu_features = CPU_FTRS_44X,
  1211. .cpu_user_features = COMMON_USER_BOOKE,
  1212. .icache_bsize = 32,
  1213. .dcache_bsize = 32,
  1214. .machine_check = machine_check_4xx,
  1215. .platform = "ppc440",
  1216. },
  1217. { /* Use logical PVR for 440EP (logical pvr = pvr | 0x8) */
  1218. .pvr_mask = 0xf0000fff,
  1219. .pvr_value = 0x40000858,
  1220. .cpu_name = "440EP Rev. A",
  1221. .cpu_features = CPU_FTRS_44X,
  1222. .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU,
  1223. .icache_bsize = 32,
  1224. .dcache_bsize = 32,
  1225. .cpu_setup = __setup_cpu_440ep,
  1226. .machine_check = machine_check_4xx,
  1227. .platform = "ppc440",
  1228. },
  1229. {
  1230. .pvr_mask = 0xf0000fff,
  1231. .pvr_value = 0x400008d3,
  1232. .cpu_name = "440GR Rev. B",
  1233. .cpu_features = CPU_FTRS_44X,
  1234. .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU,
  1235. .icache_bsize = 32,
  1236. .dcache_bsize = 32,
  1237. .machine_check = machine_check_4xx,
  1238. .platform = "ppc440",
  1239. },
  1240. { /* Matches both physical and logical PVR for 440EP (logical pvr = pvr | 0x8) */
  1241. .pvr_mask = 0xf0000ff7,
  1242. .pvr_value = 0x400008d4,
  1243. .cpu_name = "440EP Rev. C",
  1244. .cpu_features = CPU_FTRS_44X,
  1245. .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU,
  1246. .icache_bsize = 32,
  1247. .dcache_bsize = 32,
  1248. .cpu_setup = __setup_cpu_440ep,
  1249. .machine_check = machine_check_4xx,
  1250. .platform = "ppc440",
  1251. },
  1252. { /* Use logical PVR for 440EP (logical pvr = pvr | 0x8) */
  1253. .pvr_mask = 0xf0000fff,
  1254. .pvr_value = 0x400008db,
  1255. .cpu_name = "440EP Rev. B",
  1256. .cpu_features = CPU_FTRS_44X,
  1257. .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU,
  1258. .icache_bsize = 32,
  1259. .dcache_bsize = 32,
  1260. .cpu_setup = __setup_cpu_440ep,
  1261. .machine_check = machine_check_4xx,
  1262. .platform = "ppc440",
  1263. },
  1264. { /* 440GRX */
  1265. .pvr_mask = 0xf0000ffb,
  1266. .pvr_value = 0x200008D0,
  1267. .cpu_name = "440GRX",
  1268. .cpu_features = CPU_FTRS_44X,
  1269. .cpu_user_features = COMMON_USER_BOOKE,
  1270. .icache_bsize = 32,
  1271. .dcache_bsize = 32,
  1272. .cpu_setup = __setup_cpu_440grx,
  1273. .machine_check = machine_check_440A,
  1274. .platform = "ppc440",
  1275. },
  1276. { /* Use logical PVR for 440EPx (logical pvr = pvr | 0x8) */
  1277. .pvr_mask = 0xf0000ffb,
  1278. .pvr_value = 0x200008D8,
  1279. .cpu_name = "440EPX",
  1280. .cpu_features = CPU_FTRS_44X,
  1281. .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU,
  1282. .icache_bsize = 32,
  1283. .dcache_bsize = 32,
  1284. .cpu_setup = __setup_cpu_440epx,
  1285. .machine_check = machine_check_440A,
  1286. .platform = "ppc440",
  1287. },
  1288. { /* 440GP Rev. B */
  1289. .pvr_mask = 0xf0000fff,
  1290. .pvr_value = 0x40000440,
  1291. .cpu_name = "440GP Rev. B",
  1292. .cpu_features = CPU_FTRS_44X,
  1293. .cpu_user_features = COMMON_USER_BOOKE,
  1294. .icache_bsize = 32,
  1295. .dcache_bsize = 32,
  1296. .machine_check = machine_check_4xx,
  1297. .platform = "ppc440gp",
  1298. },
  1299. { /* 440GP Rev. C */
  1300. .pvr_mask = 0xf0000fff,
  1301. .pvr_value = 0x40000481,
  1302. .cpu_name = "440GP Rev. C",
  1303. .cpu_features = CPU_FTRS_44X,
  1304. .cpu_user_features = COMMON_USER_BOOKE,
  1305. .icache_bsize = 32,
  1306. .dcache_bsize = 32,
  1307. .machine_check = machine_check_4xx,
  1308. .platform = "ppc440gp",
  1309. },
  1310. { /* 440GX Rev. A */
  1311. .pvr_mask = 0xf0000fff,
  1312. .pvr_value = 0x50000850,
  1313. .cpu_name = "440GX Rev. A",
  1314. .cpu_features = CPU_FTRS_44X,
  1315. .cpu_user_features = COMMON_USER_BOOKE,
  1316. .icache_bsize = 32,
  1317. .dcache_bsize = 32,
  1318. .cpu_setup = __setup_cpu_440gx,
  1319. .machine_check = machine_check_440A,
  1320. .platform = "ppc440",
  1321. },
  1322. { /* 440GX Rev. B */
  1323. .pvr_mask = 0xf0000fff,
  1324. .pvr_value = 0x50000851,
  1325. .cpu_name = "440GX Rev. B",
  1326. .cpu_features = CPU_FTRS_44X,
  1327. .cpu_user_features = COMMON_USER_BOOKE,
  1328. .icache_bsize = 32,
  1329. .dcache_bsize = 32,
  1330. .cpu_setup = __setup_cpu_440gx,
  1331. .machine_check = machine_check_440A,
  1332. .platform = "ppc440",
  1333. },
  1334. { /* 440GX Rev. C */
  1335. .pvr_mask = 0xf0000fff,
  1336. .pvr_value = 0x50000892,
  1337. .cpu_name = "440GX Rev. C",
  1338. .cpu_features = CPU_FTRS_44X,
  1339. .cpu_user_features = COMMON_USER_BOOKE,
  1340. .icache_bsize = 32,
  1341. .dcache_bsize = 32,
  1342. .cpu_setup = __setup_cpu_440gx,
  1343. .machine_check = machine_check_440A,
  1344. .platform = "ppc440",
  1345. },
  1346. { /* 440GX Rev. F */
  1347. .pvr_mask = 0xf0000fff,
  1348. .pvr_value = 0x50000894,
  1349. .cpu_name = "440GX Rev. F",
  1350. .cpu_features = CPU_FTRS_44X,
  1351. .cpu_user_features = COMMON_USER_BOOKE,
  1352. .icache_bsize = 32,
  1353. .dcache_bsize = 32,
  1354. .cpu_setup = __setup_cpu_440gx,
  1355. .machine_check = machine_check_440A,
  1356. .platform = "ppc440",
  1357. },
  1358. { /* 440SP Rev. A */
  1359. .pvr_mask = 0xfff00fff,
  1360. .pvr_value = 0x53200891,
  1361. .cpu_name = "440SP Rev. A",
  1362. .cpu_features = CPU_FTRS_44X,
  1363. .cpu_user_features = COMMON_USER_BOOKE,
  1364. .icache_bsize = 32,
  1365. .dcache_bsize = 32,
  1366. .machine_check = machine_check_4xx,
  1367. .platform = "ppc440",
  1368. },
  1369. { /* 440SPe Rev. A */
  1370. .pvr_mask = 0xfff00fff,
  1371. .pvr_value = 0x53400890,
  1372. .cpu_name = "440SPe Rev. A",
  1373. .cpu_features = CPU_FTRS_44X,
  1374. .cpu_user_features = COMMON_USER_BOOKE,
  1375. .icache_bsize = 32,
  1376. .dcache_bsize = 32,
  1377. .cpu_setup = __setup_cpu_440spe,
  1378. .machine_check = machine_check_440A,
  1379. .platform = "ppc440",
  1380. },
  1381. { /* 440SPe Rev. B */
  1382. .pvr_mask = 0xfff00fff,
  1383. .pvr_value = 0x53400891,
  1384. .cpu_name = "440SPe Rev. B",
  1385. .cpu_features = CPU_FTRS_44X,
  1386. .cpu_user_features = COMMON_USER_BOOKE,
  1387. .icache_bsize = 32,
  1388. .dcache_bsize = 32,
  1389. .cpu_setup = __setup_cpu_440spe,
  1390. .machine_check = machine_check_440A,
  1391. .platform = "ppc440",
  1392. },
  1393. #endif /* CONFIG_44x */
  1394. #ifdef CONFIG_FSL_BOOKE
  1395. #ifdef CONFIG_E200
  1396. { /* e200z5 */
  1397. .pvr_mask = 0xfff00000,
  1398. .pvr_value = 0x81000000,
  1399. .cpu_name = "e200z5",
  1400. /* xxx - galak: add CPU_FTR_MAYBE_CAN_DOZE */
  1401. .cpu_features = CPU_FTRS_E200,
  1402. .cpu_user_features = COMMON_USER_BOOKE |
  1403. PPC_FEATURE_HAS_EFP_SINGLE |
  1404. PPC_FEATURE_UNIFIED_CACHE,
  1405. .dcache_bsize = 32,
  1406. .machine_check = machine_check_e200,
  1407. .platform = "ppc5554",
  1408. },
  1409. { /* e200z6 */
  1410. .pvr_mask = 0xfff00000,
  1411. .pvr_value = 0x81100000,
  1412. .cpu_name = "e200z6",
  1413. /* xxx - galak: add CPU_FTR_MAYBE_CAN_DOZE */
  1414. .cpu_features = CPU_FTRS_E200,
  1415. .cpu_user_features = COMMON_USER_BOOKE |
  1416. PPC_FEATURE_HAS_SPE_COMP |
  1417. PPC_FEATURE_HAS_EFP_SINGLE_COMP |
  1418. PPC_FEATURE_UNIFIED_CACHE,
  1419. .dcache_bsize = 32,
  1420. .machine_check = machine_check_e200,
  1421. .platform = "ppc5554",
  1422. },
  1423. #elif defined(CONFIG_E500)
  1424. { /* e500 */
  1425. .pvr_mask = 0xffff0000,
  1426. .pvr_value = 0x80200000,
  1427. .cpu_name = "e500",
  1428. /* xxx - galak: add CPU_FTR_MAYBE_CAN_DOZE */
  1429. .cpu_features = CPU_FTRS_E500,
  1430. .cpu_user_features = COMMON_USER_BOOKE |
  1431. PPC_FEATURE_HAS_SPE_COMP |
  1432. PPC_FEATURE_HAS_EFP_SINGLE_COMP,
  1433. .icache_bsize = 32,
  1434. .dcache_bsize = 32,
  1435. .num_pmcs = 4,
  1436. .oprofile_cpu_type = "ppc/e500",
  1437. .oprofile_type = PPC_OPROFILE_FSL_EMB,
  1438. .machine_check = machine_check_e500,
  1439. .platform = "ppc8540",
  1440. },
  1441. { /* e500v2 */
  1442. .pvr_mask = 0xffff0000,
  1443. .pvr_value = 0x80210000,
  1444. .cpu_name = "e500v2",
  1445. /* xxx - galak: add CPU_FTR_MAYBE_CAN_DOZE */
  1446. .cpu_features = CPU_FTRS_E500_2,
  1447. .cpu_user_features = COMMON_USER_BOOKE |
  1448. PPC_FEATURE_HAS_SPE_COMP |
  1449. PPC_FEATURE_HAS_EFP_SINGLE_COMP |
  1450. PPC_FEATURE_HAS_EFP_DOUBLE_COMP,
  1451. .icache_bsize = 32,
  1452. .dcache_bsize = 32,
  1453. .num_pmcs = 4,
  1454. .oprofile_cpu_type = "ppc/e500",
  1455. .oprofile_type = PPC_OPROFILE_FSL_EMB,
  1456. .machine_check = machine_check_e500,
  1457. .platform = "ppc8548",
  1458. },
  1459. #endif
  1460. #endif
  1461. #if !CLASSIC_PPC
  1462. { /* default match */
  1463. .pvr_mask = 0x00000000,
  1464. .pvr_value = 0x00000000,
  1465. .cpu_name = "(generic PPC)",
  1466. .cpu_features = CPU_FTRS_GENERIC_32,
  1467. .cpu_user_features = PPC_FEATURE_32,
  1468. .icache_bsize = 32,
  1469. .dcache_bsize = 32,
  1470. .platform = "powerpc",
  1471. }
  1472. #endif /* !CLASSIC_PPC */
  1473. #endif /* CONFIG_PPC32 */
  1474. };
  1475. static struct cpu_spec the_cpu_spec;
  1476. struct cpu_spec * __init identify_cpu(unsigned long offset, unsigned int pvr)
  1477. {
  1478. struct cpu_spec *s = cpu_specs;
  1479. struct cpu_spec *t = &the_cpu_spec;
  1480. int i;
  1481. s = PTRRELOC(s);
  1482. t = PTRRELOC(t);
  1483. for (i = 0; i < ARRAY_SIZE(cpu_specs); i++,s++)
  1484. if ((pvr & s->pvr_mask) == s->pvr_value) {
  1485. /*
  1486. * If we are overriding a previous value derived
  1487. * from the real PVR with a new value obtained
  1488. * using a logical PVR value, don't modify the
  1489. * performance monitor fields.
  1490. */
  1491. if (t->num_pmcs && !s->num_pmcs) {
  1492. t->cpu_name = s->cpu_name;
  1493. t->cpu_features = s->cpu_features;
  1494. t->cpu_user_features = s->cpu_user_features;
  1495. t->icache_bsize = s->icache_bsize;
  1496. t->dcache_bsize = s->dcache_bsize;
  1497. t->cpu_setup = s->cpu_setup;
  1498. t->cpu_restore = s->cpu_restore;
  1499. t->platform = s->platform;
  1500. } else
  1501. *t = *s;
  1502. *PTRRELOC(&cur_cpu_spec) = &the_cpu_spec;
  1503. #if defined(CONFIG_PPC64) || defined(CONFIG_BOOKE)
  1504. /* ppc64 and booke expect identify_cpu to also call
  1505. * setup_cpu for that processor. I will consolidate
  1506. * that at a later time, for now, just use #ifdef.
  1507. * we also don't need to PTRRELOC the function pointer
  1508. * on ppc64 and booke as we are running at 0 in real
  1509. * mode on ppc64 and reloc_offset is always 0 on booke.
  1510. */
  1511. if (s->cpu_setup) {
  1512. s->cpu_setup(offset, s);
  1513. }
  1514. #endif /* CONFIG_PPC64 || CONFIG_BOOKE */
  1515. return s;
  1516. }
  1517. BUG();
  1518. return NULL;
  1519. }
  1520. void do_feature_fixups(unsigned long value, void *fixup_start, void *fixup_end)
  1521. {
  1522. struct fixup_entry {
  1523. unsigned long mask;
  1524. unsigned long value;
  1525. long start_off;
  1526. long end_off;
  1527. } *fcur, *fend;
  1528. fcur = fixup_start;
  1529. fend = fixup_end;
  1530. for (; fcur < fend; fcur++) {
  1531. unsigned int *pstart, *pend, *p;
  1532. if ((value & fcur->mask) == fcur->value)
  1533. continue;
  1534. /* These PTRRELOCs will disappear once the new scheme for
  1535. * modules and vdso is implemented
  1536. */
  1537. pstart = ((unsigned int *)fcur) + (fcur->start_off / 4);
  1538. pend = ((unsigned int *)fcur) + (fcur->end_off / 4);
  1539. for (p = pstart; p < pend; p++) {
  1540. *p = 0x60000000u;
  1541. asm volatile ("dcbst 0, %0" : : "r" (p));
  1542. }
  1543. asm volatile ("sync" : : : "memory");
  1544. for (p = pstart; p < pend; p++)
  1545. asm volatile ("icbi 0,%0" : : "r" (p));
  1546. asm volatile ("sync; isync" : : : "memory");
  1547. }
  1548. }