anomaly.h 13 KB

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  1. /*
  2. * File: include/asm-blackfin/mach-bf533/anomaly.h
  3. * Based on:
  4. * Author:
  5. *
  6. * Created:
  7. * Description:
  8. *
  9. * Rev:
  10. *
  11. * Modified:
  12. *
  13. * Bugs: Enter bugs at http://blackfin.uclinux.org/
  14. *
  15. * This program is free software; you can redistribute it and/or modify
  16. * it under the terms of the GNU General Public License as published by
  17. * the Free Software Foundation; either version 2, or (at your option)
  18. * any later version.
  19. *
  20. * This program is distributed in the hope that it will be useful,
  21. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  23. * GNU General Public License for more details.
  24. *
  25. * You should have received a copy of the GNU General Public License
  26. * along with this program; see the file COPYING.
  27. * If not, write to the Free Software Foundation,
  28. * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  29. */
  30. /* This file shoule be up to date with:
  31. * - Revision U, May 17, 2006; ADSP-BF533 Blackfin Processor Anomaly List
  32. * - Revision Y, May 17, 2006; ADSP-BF532 Blackfin Processor Anomaly List
  33. * - Revision T, May 17, 2006; ADSP-BF531 Blackfin Processor Anomaly List
  34. */
  35. #ifndef _MACH_ANOMALY_H_
  36. #define _MACH_ANOMALY_H_
  37. /* We do not support 0.1 or 0.2 silicon - sorry */
  38. #if (defined(CONFIG_BF_REV_0_1) || defined(CONFIG_BF_REV_0_2))
  39. #error Kernel will not work on BF533 Version 0.1 or 0.2
  40. #endif
  41. /* Issues that are common to 0.5, 0.4, and 0.3 silicon */
  42. #if (defined(CONFIG_BF_REV_0_5) || defined(CONFIG_BF_REV_0_4) \
  43. || defined(CONFIG_BF_REV_0_3))
  44. #define ANOMALY_05000074 /* A multi issue instruction with dsp32shiftimm in
  45. slot1 and store of a P register in slot 2 is not
  46. supported */
  47. #define ANOMALY_05000105 /* Watchpoint Status Register (WPSTAT) bits are set on
  48. every corresponding match */
  49. #define ANOMALY_05000119 /* DMA_RUN bit is not valid after a Peripheral Receive
  50. Channel DMA stops */
  51. #define ANOMALY_05000122 /* Rx.H can not be used to access 16-bit System MMR
  52. registers. */
  53. #define ANOMALY_05000166 /* PPI Data Lengths Between 8 and 16 do not zero out
  54. upper bits*/
  55. #define ANOMALY_05000167 /* Turning Serial Ports on With External Frame Syncs */
  56. #define ANOMALY_05000180 /* PPI_DELAY not functional in PPI modes with 0 frame
  57. syncs */
  58. #define ANOMALY_05000208 /* VSTAT status bit in PLL_STAT register is not
  59. functional */
  60. #define ANOMALY_05000219 /* NMI event at boot time results in unpredictable
  61. state */
  62. #define ANOMALY_05000229 /* SPI Slave Boot Mode modifies registers */
  63. #define ANOMALY_05000272 /* Certain data cache write through modes fail for
  64. VDDint <=0.9V */
  65. #define ANOMALY_05000273 /* Writes to Synchronous SDRAM memory may be lost */
  66. #define ANOMALY_05000277 /* Writes to a flag data register one SCLK cycle after
  67. an edge is detected may clear interrupt */
  68. #define ANOMALY_05000278 /* Disabling Peripherals with DMA running may cause
  69. DMA system instability */
  70. #define ANOMALY_05000281 /* False Hardware Error Exception when ISR context is
  71. not restored */
  72. #define ANOMALY_05000282 /* Memory DMA corruption with 32-bit data and traffic
  73. control */
  74. #define ANOMALY_05000283 /* A system MMR write is stalled indefinitely when
  75. killed in a particular stage*/
  76. #define ANOMALY_05000311 /* Erroneous flag pin operations under specific
  77. sequences */
  78. #define ANOMALY_05000312 /* Errors when SSYNC, CSYNC, or loads to LT, LB and LC
  79. registers are interrupted */
  80. #define ANOMALY_05000313 /* PPI Is Level-Sensitive on First Transfer */
  81. #define ANOMALY_05000315 /* Killed System MMR Write Completes Erroneously On
  82. * Next System MMR Access */
  83. #define ANOMALY_05000319 /* Internal Voltage Regulator Values of 1.05V, 1.10V
  84. * and 1.15V Not Allowed for LQFP Packages */
  85. #endif /* Issues that are common to 0.5, 0.4, and 0.3 silicon */
  86. /* These issues only occur on 0.3 or 0.4 BF533 */
  87. #if (defined(CONFIG_BF_REV_0_4) || defined(CONFIG_BF_REV_0_3))
  88. #define ANOMALY_05000099 /* UART Line Status Register (UART_LSR) bits are not
  89. updated at the same time. */
  90. #define ANOMALY_05000158 /* Boot fails when data cache enabled: Data from a Data
  91. Cache Fill can be corrupted after or during
  92. Instruction DMA if certain core stalls exist */
  93. #define ANOMALY_05000179 /* PPI_COUNT cannot be programmed to 0 in General
  94. Purpose TX or RX modes */
  95. #define ANOMALY_05000198 /* Failing SYSTEM MMR accesses when stalled by
  96. preceding memory read */
  97. #define ANOMALY_05000200 /* SPORT TFS and DT are incorrectly driven during
  98. inactive channels in certain conditions */
  99. #define ANOMALY_05000202 /* Possible infinite stall with specific dual dag
  100. situation */
  101. #define ANOMALY_05000215 /* UART TX Interrupt masked erroneously */
  102. #define ANOMALY_05000225 /* Incorrect pulse-width of UART start-bit */
  103. #define ANOMALY_05000227 /* Scratchpad memory bank reads may return incorrect
  104. data*/
  105. #define ANOMALY_05000230 /* UART Receiver is less robust against Baudrate
  106. Differences in certain Conditions */
  107. #define ANOMALY_05000231 /* UART STB bit incorrectly affects receiver setting */
  108. #define ANOMALY_05000242 /* DF bit in PLL_CTL register does not respond to
  109. hardware reset */
  110. #define ANOMALY_05000244 /* With instruction cache enabled, a CSYNC or SSYNC or
  111. IDLE around a Change of Control causes
  112. unpredictable results */
  113. #define ANOMALY_05000245 /* Spurious Hardware Error from an access in the
  114. shadow of a conditional branch */
  115. #define ANOMALY_05000246 /* Data CPLB's should prevent spurious hardware
  116. errors */
  117. #define ANOMALY_05000253 /* Maximum external clock speed for Timers */
  118. #define ANOMALY_05000255 /* Entering Hibernate Mode with RTC Seconds event
  119. interrupt not functional */
  120. #define ANOMALY_05000257 /* An interrupt or exception during short Hardware
  121. loops may cause the instruction fetch unit to
  122. malfunction */
  123. #define ANOMALY_05000258 /* Instruction Cache is corrupted when bit 9 and 12 of
  124. the ICPLB Data registers differ */
  125. #define ANOMALY_05000260 /* ICPLB_STATUS MMR register may be corrupted */
  126. #define ANOMALY_05000261 /* DCPLB_FAULT_ADDR MMR register may be corrupted */
  127. #define ANOMALY_05000262 /* Stores to data cache may be lost */
  128. #define ANOMALY_05000263 /* Hardware loop corrupted when taking an ICPLB exception */
  129. #define ANOMALY_05000264 /* A Sync instruction (CSYNC, SSYNC) or an IDLE
  130. instruction will cause an infinite stall in the
  131. second to last instruction in a hardware loop */
  132. #define ANOMALY_05000265 /* Sensitivity to noise with slow input edge rates on
  133. SPORT external receive and transmit clocks. */
  134. #define ANOMALY_05000269 /* High I/O activity causes the output voltage of the
  135. internal voltage regulator (VDDint) to increase. */
  136. #define ANOMALY_05000270 /* High I/O activity causes the output voltage of the
  137. internal voltage regulator (VDDint) to decrease */
  138. #endif /* issues only occur on 0.3 or 0.4 BF533 */
  139. /* These issues are only on 0.4 silicon */
  140. #if (defined(CONFIG_BF_REV_0_4))
  141. #define ANOMALY_05000234 /* Incorrect Revision Number in DSPID Register */
  142. #define ANOMALY_05000250 /* Incorrect Bit-Shift of Data Word in Multichannel
  143. (TDM) */
  144. #endif /* issues are only on 0.4 silicon */
  145. /* These issues are only on 0.3 silicon */
  146. #if defined(CONFIG_BF_REV_0_3)
  147. #define ANOMALY_05000183 /* Timer Pin limitations for PPI TX Modes with
  148. External Frame Syncs */
  149. #define ANOMALY_05000189 /* False Protection Exceptions caused by Speculative
  150. Instruction or Data Fetches, or by Fetches at the
  151. boundary of reserved memory space */
  152. #define ANOMALY_05000193 /* False Flag Pin Interrupts on Edge Sensitive Inputs
  153. when polarity setting is changed */
  154. #define ANOMALY_05000194 /* Sport Restarting in specific modes may cause data
  155. corruption */
  156. #define ANOMALY_05000199 /* DMA current address shows wrong value during carry
  157. fix */
  158. #define ANOMALY_05000201 /* Receive frame sync not ignored during active
  159. frames in sport MCM */
  160. #define ANOMALY_05000203 /* Specific sequence that can cause DMA error or DMA
  161. stopping */
  162. #if defined(CONFIG_BF533)
  163. #define ANOMALY_05000204 /* Incorrect data read with write-through cache and
  164. allocate cache lines on reads only mode */
  165. #endif /* CONFIG_BF533 */
  166. #define ANOMALY_05000207 /* Recovery from "brown-out" condition */
  167. #define ANOMALY_05000209 /* Speed-Path in computational unit affects certain
  168. instructions */
  169. #define ANOMALY_05000233 /* PPI_FS3 is not driven in 2 or 3 internal Frame
  170. Sync Transmit Mode */
  171. #define ANOMALY_05000271 /* Spontaneous reset of Internal Voltage Regulator */
  172. #endif /* only on 0.3 silicon */
  173. #if defined(CONFIG_BF_REV_0_2)
  174. #define ANOMALY_05000067 /* Watchpoints (Hardware Breakpoints) are not
  175. * supported */
  176. #define ANOMALY_05000109 /* Reserved bits in SYSCFG register not set at
  177. * power on */
  178. #define ANOMALY_05000116 /* Trace Buffers may record discontinuities into
  179. * emulation mode and/or exception, NMI, reset
  180. * handlers */
  181. #define ANOMALY_05000123 /* DTEST_COMMAND initiated memory access may be
  182. * incorrect if data cache or DMA is active */
  183. #define ANOMALY_05000124 /* DMA Lock-up at CCLK to SCLK ratios of 4:1, 2:1,
  184. * or 1:1 */
  185. #define ANOMALY_05000125 /* Erroneous exception when enabling cache */
  186. #define ANOMALY_05000126 /* SPI clock polarity and phase bits incorrect
  187. * during booting */
  188. #define ANOMALY_05000137 /* DMEM_CONTROL is not set on Reset */
  189. #define ANOMALY_05000138 /* SPI boot will not complete if there is a zero fill
  190. * block in the loader file */
  191. #define ANOMALY_05000140 /* Allowing the SPORT RX FIFO to fill will cause an
  192. * overflow */
  193. #define ANOMALY_05000141 /* An Infinite Stall occurs with a particular sequence
  194. * of consecutive dual dag events */
  195. #define ANOMALY_05000142 /* Interrupts may be lost when a programmable input
  196. * flag is configured to be edge sensitive */
  197. #define ANOMALY_05000143 /* A read from external memory may return a wrong
  198. * value with data cache enabled */
  199. #define ANOMALY_05000144 /* DMA and TESTSET conflict when both are accessing
  200. * external memory */
  201. #define ANOMALY_05000145 /* In PWM_OUT mode, you must enable the PPI block to
  202. * generate a waveform from PPI_CLK */
  203. #define ANOMALY_05000146 /* MDMA may lose the first few words of a descriptor
  204. * chain */
  205. #define ANOMALY_05000147 /* The source MDMA descriptor may stop with a DMA
  206. * Error */
  207. #define ANOMALY_05000148 /* When booting from a 16-bit asynchronous memory
  208. * device, the upper 8-bits of each word must be
  209. * 0x00 */
  210. #define ANOMALY_05000153 /* Frame Delay in SPORT Multichannel Mode */
  211. #define ANOMALY_05000154 /* SPORT TFS signal is active in Multi-channel mode
  212. * outside of valid channels */
  213. #define ANOMALY_05000155 /* Timer1 can not be used for PWMOUT mode when a
  214. * certain PPI mode is in use */
  215. #define ANOMALY_05000157 /* A killed 32-bit System MMR write will lead to
  216. * the next system MMR access thinking it should be
  217. * 32-bit. */
  218. #define ANOMALY_05000163 /* SPORT transmit data is not gated by external frame
  219. * sync in certain conditions */
  220. #define ANOMALY_05000168 /* SDRAM auto-refresh and subsequent Power Ups */
  221. #define ANOMALY_05000169 /* DATA CPLB page miss can result in lost
  222. * write-through cache data writes */
  223. #define ANOMALY_05000173 /* DMA vs Core accesses to external memory */
  224. #define ANOMALY_05000174 /* Cache Fill Buffer Data lost */
  225. #define ANOMALY_05000175 /* Overlapping Sequencer and Memory Stalls */
  226. #define ANOMALY_05000176 /* Multiplication of (-1) by (-1) followed by an
  227. * accumulator saturation */
  228. #define ANOMALY_05000181 /* Disabling the PPI resets the PPI configuration
  229. * registers */
  230. #define ANOMALY_05000185 /* PPI TX Mode with 2 External Frame Syncs */
  231. #define ANOMALY_05000191 /* PPI does not invert the Driving PPICLK edge in
  232. * Transmit Modes */
  233. #define ANOMALY_05000192 /* In PPI Transmit Modes with External Frame Syncs
  234. * POLC */
  235. #define ANOMALY_05000206 /* Internal Voltage Regulator may not start up */
  236. #endif
  237. #endif /* _MACH_ANOMALY_H_ */