cmd_errata.c 10 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * Copyright 2010-2011 Freescale Semiconductor, Inc.
  4. */
  5. #include <common.h>
  6. #include <command.h>
  7. #include <init.h>
  8. #include <linux/compiler.h>
  9. #include <fsl_errata.h>
  10. #include <asm/processor.h>
  11. #include <fsl_usb.h>
  12. #include "fsl_corenet_serdes.h"
  13. #ifdef CONFIG_SYS_FSL_ERRATUM_A004849
  14. /*
  15. * This work-around is implemented in PBI, so just check to see if the
  16. * work-around was actually applied. To do this, we check for specific data
  17. * at specific addresses in DCSR.
  18. *
  19. * Array offsets[] contains a list of offsets within DCSR. According to the
  20. * erratum document, the value at each offset should be 2.
  21. */
  22. static void check_erratum_a4849(uint32_t svr)
  23. {
  24. void __iomem *dcsr = (void *)CONFIG_SYS_DCSRBAR + 0xb0000;
  25. unsigned int i;
  26. #if defined(CONFIG_ARCH_P2041) || defined(CONFIG_ARCH_P3041)
  27. static const uint8_t offsets[] = {
  28. 0x50, 0x54, 0x58, 0x90, 0x94, 0x98
  29. };
  30. #endif
  31. #ifdef CONFIG_ARCH_P4080
  32. static const uint8_t offsets[] = {
  33. 0x60, 0x64, 0x68, 0x6c, 0xa0, 0xa4, 0xa8, 0xac
  34. };
  35. #endif
  36. uint32_t x108; /* The value that should be at offset 0x108 */
  37. for (i = 0; i < ARRAY_SIZE(offsets); i++) {
  38. if (in_be32(dcsr + offsets[i]) != 2) {
  39. printf("Work-around for Erratum A004849 is not enabled\n");
  40. return;
  41. }
  42. }
  43. #if defined(CONFIG_ARCH_P2041) || defined(CONFIG_ARCH_P3041)
  44. x108 = 0x12;
  45. #endif
  46. #ifdef CONFIG_ARCH_P4080
  47. /*
  48. * For P4080, the erratum document says that the value at offset 0x108
  49. * should be 0x12 on rev2, or 0x1c on rev3.
  50. */
  51. if (SVR_MAJ(svr) == 2)
  52. x108 = 0x12;
  53. if (SVR_MAJ(svr) == 3)
  54. x108 = 0x1c;
  55. #endif
  56. if (in_be32(dcsr + 0x108) != x108) {
  57. printf("Work-around for Erratum A004849 is not enabled\n");
  58. return;
  59. }
  60. /* Everything matches, so the erratum work-around was applied */
  61. printf("Work-around for Erratum A004849 enabled\n");
  62. }
  63. #endif
  64. #ifdef CONFIG_SYS_FSL_ERRATUM_A004580
  65. /*
  66. * This work-around is implemented in PBI, so just check to see if the
  67. * work-around was actually applied. To do this, we check for specific data
  68. * at specific addresses in the SerDes register block.
  69. *
  70. * The work-around says that for each SerDes lane, write BnTTLCRy0 =
  71. * 0x1B00_0001, Register 2 = 0x0088_0000, and Register 3 = 0x4000_0000.
  72. */
  73. static void check_erratum_a4580(uint32_t svr)
  74. {
  75. const serdes_corenet_t __iomem *srds_regs =
  76. (void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR;
  77. unsigned int lane;
  78. for (lane = 0; lane < SRDS_MAX_LANES; lane++) {
  79. if (serdes_lane_enabled(lane)) {
  80. const struct serdes_lane __iomem *srds_lane =
  81. &srds_regs->lane[serdes_get_lane_idx(lane)];
  82. /*
  83. * Verify that the values we were supposed to write in
  84. * the PBI are actually there. Also, the lower 15
  85. * bits of res4[3] should be the same as the upper 15
  86. * bits of res4[1].
  87. */
  88. if ((in_be32(&srds_lane->ttlcr0) != 0x1b000001) ||
  89. (in_be32(&srds_lane->res4[1]) != 0x880000) ||
  90. (in_be32(&srds_lane->res4[3]) != 0x40000044)) {
  91. printf("Work-around for Erratum A004580 is "
  92. "not enabled\n");
  93. return;
  94. }
  95. }
  96. }
  97. /* Everything matches, so the erratum work-around was applied */
  98. printf("Work-around for Erratum A004580 enabled\n");
  99. }
  100. #endif
  101. #ifdef CONFIG_SYS_FSL_ERRATUM_A007212
  102. /*
  103. * This workaround can be implemented in PBI, or by u-boot.
  104. */
  105. static void check_erratum_a007212(void)
  106. {
  107. u32 __iomem *plldgdcr = (void *)(CONFIG_SYS_DCSRBAR + 0x21c20);
  108. if (in_be32(plldgdcr) & 0x1fe) {
  109. /* check if PLL ratio is set by workaround */
  110. puts("Work-around for Erratum A007212 enabled\n");
  111. }
  112. }
  113. #endif
  114. static int do_errata(struct cmd_tbl *cmdtp, int flag, int argc,
  115. char *const argv[])
  116. {
  117. #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_CPU_A011
  118. extern int enable_cpu_a011_workaround;
  119. #endif
  120. __maybe_unused u32 svr = get_svr();
  121. #if defined(CONFIG_FSL_SATA_V2) && defined(CONFIG_SYS_FSL_ERRATUM_SATA_A001)
  122. if (IS_SVR_REV(svr, 1, 0)) {
  123. switch (SVR_SOC_VER(svr)) {
  124. case SVR_P1013:
  125. case SVR_P1022:
  126. puts("Work-around for Erratum SATA A001 enabled\n");
  127. }
  128. }
  129. #endif
  130. #if defined(CONFIG_SYS_P4080_ERRATUM_SERDES8)
  131. puts("Work-around for Erratum SERDES8 enabled\n");
  132. #endif
  133. #if defined(CONFIG_SYS_P4080_ERRATUM_SERDES9)
  134. puts("Work-around for Erratum SERDES9 enabled\n");
  135. #endif
  136. #if defined(CONFIG_SYS_P4080_ERRATUM_SERDES_A005)
  137. puts("Work-around for Erratum SERDES-A005 enabled\n");
  138. #endif
  139. #if defined(CONFIG_SYS_P4080_ERRATUM_CPU22)
  140. if (SVR_MAJ(svr) < 3)
  141. puts("Work-around for Erratum CPU22 enabled\n");
  142. #endif
  143. #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_CPU_A011
  144. /*
  145. * NMG_CPU_A011 applies to P4080 rev 1.0, 2.0, fixed in 3.0
  146. * also applies to P3041 rev 1.0, 1.1, P2041 rev 1.0, 1.1
  147. * The SVR has been checked by cpu_init_r().
  148. */
  149. if (enable_cpu_a011_workaround)
  150. puts("Work-around for Erratum CPU-A011 enabled\n");
  151. #endif
  152. #if defined(CONFIG_SYS_FSL_ERRATUM_CPU_A003999)
  153. puts("Work-around for Erratum CPU-A003999 enabled\n");
  154. #endif
  155. #if defined(CONFIG_SYS_FSL_ERRATUM_DDR_A003474)
  156. puts("Work-around for Erratum DDR-A003474 enabled\n");
  157. #endif
  158. #if defined(CONFIG_SYS_FSL_ERRATUM_DDR_MSYNC_IN)
  159. puts("Work-around for DDR MSYNC_IN Erratum enabled\n");
  160. #endif
  161. #if defined(CONFIG_SYS_FSL_ERRATUM_ESDHC111)
  162. puts("Work-around for Erratum ESDHC111 enabled\n");
  163. #endif
  164. #ifdef CONFIG_SYS_FSL_ERRATUM_A004468
  165. puts("Work-around for Erratum A004468 enabled\n");
  166. #endif
  167. #if defined(CONFIG_SYS_FSL_ERRATUM_ESDHC135)
  168. puts("Work-around for Erratum ESDHC135 enabled\n");
  169. #endif
  170. #if defined(CONFIG_SYS_FSL_ERRATUM_ESDHC13)
  171. if (SVR_MAJ(svr) < 3)
  172. puts("Work-around for Erratum ESDHC13 enabled\n");
  173. #endif
  174. #if defined(CONFIG_SYS_FSL_ERRATUM_ESDHC_A001)
  175. puts("Work-around for Erratum ESDHC-A001 enabled\n");
  176. #endif
  177. #ifdef CONFIG_SYS_FSL_ERRATUM_CPC_A002
  178. puts("Work-around for Erratum CPC-A002 enabled\n");
  179. #endif
  180. #ifdef CONFIG_SYS_FSL_ERRATUM_CPC_A003
  181. puts("Work-around for Erratum CPC-A003 enabled\n");
  182. #endif
  183. #ifdef CONFIG_SYS_FSL_ERRATUM_ELBC_A001
  184. puts("Work-around for Erratum ELBC-A001 enabled\n");
  185. #endif
  186. #ifdef CONFIG_SYS_FSL_ERRATUM_DDR_A003
  187. puts("Work-around for Erratum DDR-A003 enabled\n");
  188. #endif
  189. #ifdef CONFIG_SYS_FSL_ERRATUM_DDR_115
  190. puts("Work-around for Erratum DDR115 enabled\n");
  191. #endif
  192. #ifdef CONFIG_SYS_FSL_ERRATUM_DDR111_DDR134
  193. puts("Work-around for Erratum DDR111 enabled\n");
  194. puts("Work-around for Erratum DDR134 enabled\n");
  195. #endif
  196. #ifdef CONFIG_SYS_FSL_ERRATUM_IFC_A002769
  197. puts("Work-around for Erratum IFC-A002769 enabled\n");
  198. #endif
  199. #ifdef CONFIG_SYS_FSL_ERRATUM_P1010_A003549
  200. puts("Work-around for Erratum P1010-A003549 enabled\n");
  201. #endif
  202. #ifdef CONFIG_SYS_FSL_ERRATUM_IFC_A003399
  203. puts("Work-around for Erratum IFC A-003399 enabled\n");
  204. #endif
  205. #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_DDR120
  206. if ((SVR_MAJ(svr) == 1) || IS_SVR_REV(svr, 2, 0))
  207. puts("Work-around for Erratum NMG DDR120 enabled\n");
  208. #endif
  209. #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_LBC103
  210. puts("Work-around for Erratum NMG_LBC103 enabled\n");
  211. #endif
  212. #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_ETSEC129
  213. if ((SVR_MAJ(svr) == 1) || IS_SVR_REV(svr, 2, 0))
  214. puts("Work-around for Erratum NMG ETSEC129 enabled\n");
  215. #endif
  216. #ifdef CONFIG_SYS_FSL_ERRATUM_A004508
  217. puts("Work-around for Erratum A004508 enabled\n");
  218. #endif
  219. #ifdef CONFIG_SYS_FSL_ERRATUM_A004510
  220. puts("Work-around for Erratum A004510 enabled\n");
  221. #endif
  222. #ifdef CONFIG_SYS_FSL_ERRATUM_SRIO_A004034
  223. puts("Work-around for Erratum SRIO-A004034 enabled\n");
  224. #endif
  225. #ifdef CONFIG_SYS_FSL_ERRATUM_A_004934
  226. puts("Work-around for Erratum A004934 enabled\n");
  227. #endif
  228. #ifdef CONFIG_SYS_FSL_ERRATUM_A005871
  229. if (IS_SVR_REV(svr, 1, 0))
  230. puts("Work-around for Erratum A005871 enabled\n");
  231. #endif
  232. #ifdef CONFIG_SYS_FSL_ERRATUM_A006475
  233. if (SVR_MAJ(get_svr()) == 1)
  234. puts("Work-around for Erratum A006475 enabled\n");
  235. #endif
  236. #ifdef CONFIG_SYS_FSL_ERRATUM_A006384
  237. if (SVR_MAJ(get_svr()) == 1)
  238. puts("Work-around for Erratum A006384 enabled\n");
  239. #endif
  240. #ifdef CONFIG_SYS_FSL_ERRATUM_A004849
  241. /* This work-around is implemented in PBI, so just check for it */
  242. check_erratum_a4849(svr);
  243. #endif
  244. #ifdef CONFIG_SYS_FSL_ERRATUM_A004580
  245. /* This work-around is implemented in PBI, so just check for it */
  246. check_erratum_a4580(svr);
  247. #endif
  248. #ifdef CONFIG_SYS_P4080_ERRATUM_PCIE_A003
  249. puts("Work-around for Erratum PCIe-A003 enabled\n");
  250. #endif
  251. #ifdef CONFIG_SYS_FSL_ERRATUM_USB14
  252. puts("Work-around for Erratum USB14 enabled\n");
  253. #endif
  254. #ifdef CONFIG_SYS_FSL_ERRATUM_A007186
  255. if (has_erratum_a007186())
  256. puts("Work-around for Erratum A007186 enabled\n");
  257. #endif
  258. #ifdef CONFIG_SYS_FSL_ERRATUM_A006593
  259. puts("Work-around for Erratum A006593 enabled\n");
  260. #endif
  261. #ifdef CONFIG_SYS_FSL_ERRATUM_A006379
  262. if (has_erratum_a006379())
  263. puts("Work-around for Erratum A006379 enabled\n");
  264. #endif
  265. #ifdef CONFIG_SYS_FSL_ERRATUM_SEC_A003571
  266. if (IS_SVR_REV(svr, 1, 0))
  267. puts("Work-around for Erratum A003571 enabled\n");
  268. #endif
  269. #ifdef CONFIG_SYS_FSL_ERRATUM_A005812
  270. puts("Work-around for Erratum A-005812 enabled\n");
  271. #endif
  272. #ifdef CONFIG_SYS_FSL_ERRATUM_A005125
  273. puts("Work-around for Erratum A005125 enabled\n");
  274. #endif
  275. #ifdef CONFIG_SYS_FSL_ERRATUM_A007075
  276. if (has_erratum_a007075())
  277. puts("Work-around for Erratum A007075 enabled\n");
  278. #endif
  279. #ifdef CONFIG_SYS_FSL_ERRATUM_A007798
  280. if (has_erratum_a007798())
  281. puts("Work-around for Erratum A007798 enabled\n");
  282. #endif
  283. #ifdef CONFIG_SYS_FSL_ERRATUM_A004477
  284. if (has_erratum_a004477())
  285. puts("Work-around for Erratum A004477 enabled\n");
  286. #endif
  287. #ifdef CONFIG_SYS_FSL_ERRATUM_I2C_A004447
  288. if ((SVR_SOC_VER(svr) == SVR_8548 && IS_SVR_REV(svr, 3, 1)) ||
  289. (SVR_REV(svr) <= CONFIG_SYS_FSL_A004447_SVR_REV))
  290. puts("Work-around for Erratum I2C-A004447 enabled\n");
  291. #endif
  292. #ifdef CONFIG_SYS_FSL_ERRATUM_A005275
  293. if (has_erratum_a005275())
  294. puts("Work-around for Erratum A005275 enabled\n");
  295. #endif
  296. #ifdef CONFIG_SYS_FSL_ERRATUM_A006261
  297. if (has_erratum_a006261())
  298. puts("Work-around for Erratum A006261 enabled\n");
  299. #endif
  300. #ifdef CONFIG_SYS_FSL_ERRATUM_A007212
  301. check_erratum_a007212();
  302. #endif
  303. #ifdef CONFIG_SYS_FSL_ERRATUM_A005434
  304. puts("Work-around for Erratum A-005434 enabled\n");
  305. #endif
  306. #if defined(CONFIG_SYS_FSL_ERRATUM_A008044) && \
  307. defined(CONFIG_A008044_WORKAROUND)
  308. if (IS_SVR_REV(svr, 1, 0))
  309. puts("Work-around for Erratum A-008044 enabled\n");
  310. #endif
  311. #if defined(CONFIG_SYS_FSL_B4860QDS_XFI_ERR) && \
  312. (defined(CONFIG_TARGET_B4860QDS) || defined(CONFIG_TARGET_B4420QDS))
  313. puts("Work-around for Erratum XFI on B4860QDS enabled\n");
  314. #endif
  315. #ifdef CONFIG_SYS_FSL_ERRATUM_A009663
  316. puts("Work-around for Erratum A009663 enabled\n");
  317. #endif
  318. #ifdef CONFIG_SYS_FSL_ERRATUM_A007907
  319. puts("Work-around for Erratum A007907 enabled\n");
  320. #endif
  321. #ifdef CONFIG_SYS_FSL_ERRATUM_A007815
  322. puts("Work-around for Erratum A007815 enabled\n");
  323. #endif
  324. return 0;
  325. }
  326. U_BOOT_CMD(
  327. errata, 1, 0, do_errata,
  328. "Report errata workarounds",
  329. ""
  330. );