anomaly.h 11 KB

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  1. /*
  2. * File: include/asm-blackfin/mach-bf533/anomaly.h
  3. * Bugs: Enter bugs at http://blackfin.uclinux.org/
  4. *
  5. * Copyright (C) 2004-2007 Analog Devices Inc.
  6. * Licensed under the GPL-2 or later.
  7. */
  8. /* This file shoule be up to date with:
  9. * - Revision U, May 17, 2006; ADSP-BF533 Blackfin Processor Anomaly List
  10. * - Revision Y, May 17, 2006; ADSP-BF532 Blackfin Processor Anomaly List
  11. * - Revision T, May 17, 2006; ADSP-BF531 Blackfin Processor Anomaly List
  12. */
  13. #ifndef _MACH_ANOMALY_H_
  14. #define _MACH_ANOMALY_H_
  15. /* We do not support 0.1 or 0.2 silicon - sorry */
  16. #if (defined(CONFIG_BF_REV_0_1) || defined(CONFIG_BF_REV_0_2))
  17. #error Kernel will not work on BF533 Version 0.1 or 0.2
  18. #endif
  19. /* Issues that are common to 0.5, 0.4, and 0.3 silicon */
  20. #if (defined(CONFIG_BF_REV_0_5) || defined(CONFIG_BF_REV_0_4) \
  21. || defined(CONFIG_BF_REV_0_3))
  22. #define ANOMALY_05000074 /* A multi issue instruction with dsp32shiftimm in
  23. * slot1 and store of a P register in slot 2 is not
  24. * supported */
  25. #define ANOMALY_05000105 /* Watchpoint Status Register (WPSTAT) bits are set on
  26. * every corresponding match */
  27. #define ANOMALY_05000119 /* DMA_RUN bit is not valid after a Peripheral Receive
  28. * Channel DMA stops */
  29. #define ANOMALY_05000122 /* Rx.H can not be used to access 16-bit System MMR
  30. * registers. */
  31. #define ANOMALY_05000166 /* PPI Data Lengths Between 8 and 16 do not zero out
  32. * upper bits*/
  33. #define ANOMALY_05000167 /* Turning Serial Ports on With External Frame Syncs */
  34. #define ANOMALY_05000180 /* PPI_DELAY not functional in PPI modes with 0 frame
  35. * syncs */
  36. #define ANOMALY_05000208 /* VSTAT status bit in PLL_STAT register is not
  37. * functional */
  38. #define ANOMALY_05000219 /* NMI event at boot time results in unpredictable
  39. * state */
  40. #define ANOMALY_05000229 /* SPI Slave Boot Mode modifies registers */
  41. #define ANOMALY_05000272 /* Certain data cache write through modes fail for
  42. * VDDint <=0.9V */
  43. #define ANOMALY_05000273 /* Writes to Synchronous SDRAM memory may be lost */
  44. #define ANOMALY_05000277 /* Writes to a flag data register one SCLK cycle after
  45. * an edge is detected may clear interrupt */
  46. #define ANOMALY_05000278 /* Disabling Peripherals with DMA running may cause
  47. * DMA system instability */
  48. #define ANOMALY_05000281 /* False Hardware Error Exception when ISR context is
  49. * not restored */
  50. #define ANOMALY_05000282 /* Memory DMA corruption with 32-bit data and traffic
  51. * control */
  52. #define ANOMALY_05000283 /* A system MMR write is stalled indefinitely when
  53. * killed in a particular stage*/
  54. #define ANOMALY_05000311 /* Erroneous flag pin operations under specific
  55. * sequences */
  56. #define ANOMALY_05000312 /* Errors when SSYNC, CSYNC, or loads to LT, LB and LC
  57. * registers are interrupted */
  58. #define ANOMALY_05000313 /* PPI Is Level-Sensitive on First Transfer */
  59. #define ANOMALY_05000315 /* Killed System MMR Write Completes Erroneously On
  60. * Next System MMR Access */
  61. #define ANOMALY_05000319 /* Internal Voltage Regulator Values of 1.05V, 1.10V
  62. * and 1.15V Not Allowed for LQFP Packages */
  63. #endif /* Issues that are common to 0.5, 0.4, and 0.3 silicon */
  64. /* These issues only occur on 0.3 or 0.4 BF533 */
  65. #if (defined(CONFIG_BF_REV_0_4) || defined(CONFIG_BF_REV_0_3))
  66. #define ANOMALY_05000099 /* UART Line Status Register (UART_LSR) bits are not
  67. * updated at the same time. */
  68. #define ANOMALY_05000158 /* Boot fails when data cache enabled: Data from a Data
  69. * Cache Fill can be corrupted after or during
  70. * Instruction DMA if certain core stalls exist */
  71. #define ANOMALY_05000179 /* PPI_COUNT cannot be programmed to 0 in General
  72. * Purpose TX or RX modes */
  73. #define ANOMALY_05000198 /* Failing SYSTEM MMR accesses when stalled by
  74. * preceding memory read */
  75. #define ANOMALY_05000200 /* SPORT TFS and DT are incorrectly driven during
  76. * inactive channels in certain conditions */
  77. #define ANOMALY_05000202 /* Possible infinite stall with specific dual dag
  78. * situation */
  79. #define ANOMALY_05000215 /* UART TX Interrupt masked erroneously */
  80. #define ANOMALY_05000225 /* Incorrect pulse-width of UART start-bit */
  81. #define ANOMALY_05000227 /* Scratchpad memory bank reads may return incorrect
  82. * data*/
  83. #define ANOMALY_05000230 /* UART Receiver is less robust against Baudrate
  84. * Differences in certain Conditions */
  85. #define ANOMALY_05000231 /* UART STB bit incorrectly affects receiver setting */
  86. #define ANOMALY_05000242 /* DF bit in PLL_CTL register does not respond to
  87. * hardware reset */
  88. #define ANOMALY_05000244 /* With instruction cache enabled, a CSYNC or SSYNC or
  89. * IDLE around a Change of Control causes
  90. * unpredictable results */
  91. #define ANOMALY_05000245 /* Spurious Hardware Error from an access in the
  92. * shadow of a conditional branch */
  93. #define ANOMALY_05000246 /* Data CPLB's should prevent spurious hardware
  94. * errors */
  95. #define ANOMALY_05000253 /* Maximum external clock speed for Timers */
  96. #define ANOMALY_05000255 /* Entering Hibernate Mode with RTC Seconds event
  97. * interrupt not functional */
  98. #define ANOMALY_05000257 /* An interrupt or exception during short Hardware
  99. * loops may cause the instruction fetch unit to
  100. * malfunction */
  101. #define ANOMALY_05000258 /* Instruction Cache is corrupted when bit 9 and 12 of
  102. * the ICPLB Data registers differ */
  103. #define ANOMALY_05000260 /* ICPLB_STATUS MMR register may be corrupted */
  104. #define ANOMALY_05000261 /* DCPLB_FAULT_ADDR MMR register may be corrupted */
  105. #define ANOMALY_05000262 /* Stores to data cache may be lost */
  106. #define ANOMALY_05000263 /* Hardware loop corrupted when taking an ICPLB exception */
  107. #define ANOMALY_05000264 /* A Sync instruction (CSYNC, SSYNC) or an IDLE
  108. * instruction will cause an infinite stall in the
  109. * second to last instruction in a hardware loop */
  110. #define ANOMALY_05000265 /* Sensitivity to noise with slow input edge rates on
  111. * SPORT external receive and transmit clocks. */
  112. #define ANOMALY_05000269 /* High I/O activity causes the output voltage of the
  113. * internal voltage regulator (VDDint) to increase. */
  114. #define ANOMALY_05000270 /* High I/O activity causes the output voltage of the
  115. * internal voltage regulator (VDDint) to decrease */
  116. #endif /* issues only occur on 0.3 or 0.4 BF533 */
  117. /* These issues are only on 0.4 silicon */
  118. #if (defined(CONFIG_BF_REV_0_4))
  119. #define ANOMALY_05000234 /* Incorrect Revision Number in DSPID Register */
  120. #define ANOMALY_05000250 /* Incorrect Bit-Shift of Data Word in Multichannel
  121. * (TDM) */
  122. #endif /* issues are only on 0.4 silicon */
  123. /* These issues are only on 0.3 silicon */
  124. #if defined(CONFIG_BF_REV_0_3)
  125. #define ANOMALY_05000183 /* Timer Pin limitations for PPI TX Modes with
  126. * External Frame Syncs */
  127. #define ANOMALY_05000189 /* False Protection Exceptions caused by Speculative
  128. * Instruction or Data Fetches, or by Fetches at the
  129. * boundary of reserved memory space */
  130. #define ANOMALY_05000193 /* False Flag Pin Interrupts on Edge Sensitive Inputs
  131. * when polarity setting is changed */
  132. #define ANOMALY_05000194 /* Sport Restarting in specific modes may cause data
  133. * corruption */
  134. #define ANOMALY_05000199 /* DMA current address shows wrong value during carry
  135. * fix */
  136. #define ANOMALY_05000201 /* Receive frame sync not ignored during active
  137. * frames in sport MCM */
  138. #define ANOMALY_05000203 /* Specific sequence that can cause DMA error or DMA
  139. * stopping */
  140. #if defined(CONFIG_BF533)
  141. #define ANOMALY_05000204 /* Incorrect data read with write-through cache and
  142. * allocate cache lines on reads only mode */
  143. #endif /* CONFIG_BF533 */
  144. #define ANOMALY_05000207 /* Recovery from "brown-out" condition */
  145. #define ANOMALY_05000209 /* Speed-Path in computational unit affects certain
  146. * instructions */
  147. #define ANOMALY_05000233 /* PPI_FS3 is not driven in 2 or 3 internal Frame
  148. * Sync Transmit Mode */
  149. #define ANOMALY_05000271 /* Spontaneous reset of Internal Voltage Regulator */
  150. #endif /* only on 0.3 silicon */
  151. #if defined(CONFIG_BF_REV_0_2)
  152. #define ANOMALY_05000067 /* Watchpoints (Hardware Breakpoints) are not
  153. * supported */
  154. #define ANOMALY_05000109 /* Reserved bits in SYSCFG register not set at
  155. * power on */
  156. #define ANOMALY_05000116 /* Trace Buffers may record discontinuities into
  157. * emulation mode and/or exception, NMI, reset
  158. * handlers */
  159. #define ANOMALY_05000123 /* DTEST_COMMAND initiated memory access may be
  160. * incorrect if data cache or DMA is active */
  161. #define ANOMALY_05000124 /* DMA Lock-up at CCLK to SCLK ratios of 4:1, 2:1,
  162. * or 1:1 */
  163. #define ANOMALY_05000125 /* Erroneous exception when enabling cache */
  164. #define ANOMALY_05000126 /* SPI clock polarity and phase bits incorrect
  165. * during booting */
  166. #define ANOMALY_05000137 /* DMEM_CONTROL is not set on Reset */
  167. #define ANOMALY_05000138 /* SPI boot will not complete if there is a zero fill
  168. * block in the loader file */
  169. #define ANOMALY_05000140 /* Allowing the SPORT RX FIFO to fill will cause an
  170. * overflow */
  171. #define ANOMALY_05000141 /* An Infinite Stall occurs with a particular sequence
  172. * of consecutive dual dag events */
  173. #define ANOMALY_05000142 /* Interrupts may be lost when a programmable input
  174. * flag is configured to be edge sensitive */
  175. #define ANOMALY_05000143 /* A read from external memory may return a wrong
  176. * value with data cache enabled */
  177. #define ANOMALY_05000144 /* DMA and TESTSET conflict when both are accessing
  178. * external memory */
  179. #define ANOMALY_05000145 /* In PWM_OUT mode, you must enable the PPI block to
  180. * generate a waveform from PPI_CLK */
  181. #define ANOMALY_05000146 /* MDMA may lose the first few words of a descriptor
  182. * chain */
  183. #define ANOMALY_05000147 /* The source MDMA descriptor may stop with a DMA
  184. * Error */
  185. #define ANOMALY_05000148 /* When booting from a 16-bit asynchronous memory
  186. * device, the upper 8-bits of each word must be
  187. * 0x00 */
  188. #define ANOMALY_05000153 /* Frame Delay in SPORT Multichannel Mode */
  189. #define ANOMALY_05000154 /* SPORT TFS signal is active in Multi-channel mode
  190. * outside of valid channels */
  191. #define ANOMALY_05000155 /* Timer1 can not be used for PWMOUT mode when a
  192. * certain PPI mode is in use */
  193. #define ANOMALY_05000157 /* A killed 32-bit System MMR write will lead to
  194. * the next system MMR access thinking it should be
  195. * 32-bit. */
  196. #define ANOMALY_05000163 /* SPORT transmit data is not gated by external frame
  197. * sync in certain conditions */
  198. #define ANOMALY_05000168 /* SDRAM auto-refresh and subsequent Power Ups */
  199. #define ANOMALY_05000169 /* DATA CPLB page miss can result in lost
  200. * write-through cache data writes */
  201. #define ANOMALY_05000173 /* DMA vs Core accesses to external memory */
  202. #define ANOMALY_05000174 /* Cache Fill Buffer Data lost */
  203. #define ANOMALY_05000175 /* Overlapping Sequencer and Memory Stalls */
  204. #define ANOMALY_05000176 /* Multiplication of (-1) by (-1) followed by an
  205. * accumulator saturation */
  206. #define ANOMALY_05000181 /* Disabling the PPI resets the PPI configuration
  207. * registers */
  208. #define ANOMALY_05000185 /* PPI TX Mode with 2 External Frame Syncs */
  209. #define ANOMALY_05000191 /* PPI does not invert the Driving PPICLK edge in
  210. * Transmit Modes */
  211. #define ANOMALY_05000192 /* In PPI Transmit Modes with External Frame Syncs
  212. * POLC */
  213. #define ANOMALY_05000206 /* Internal Voltage Regulator may not start up */
  214. #endif
  215. #endif /* _MACH_ANOMALY_H_ */