anomaly.h 7.9 KB

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  1. /*
  2. * File: include/asm-blackfin/arch-bf533/anomaly.h
  3. * Based on:
  4. * Author:
  5. *
  6. * Created:
  7. * Description:
  8. *
  9. * Rev:
  10. *
  11. * Modified:
  12. *
  13. *
  14. * Bugs: Enter bugs at http://blackfin.uclinux.org/
  15. *
  16. * This program is free software; you can redistribute it and/or modify
  17. * it under the terms of the GNU General Public License as published by
  18. * the Free Software Foundation; either version 2, or (at your option)
  19. * any later version.
  20. *
  21. * This program is distributed in the hope that it will be useful,
  22. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  23. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  24. * GNU General Public License for more details.
  25. *
  26. * You should have received a copy of the GNU General Public License
  27. * along with this program; see the file COPYING.
  28. * If not, write to the Free Software Foundation,
  29. * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  30. */
  31. /* This file shoule be up to date with:
  32. * - Revision U, May 17, 2006; ADSP-BF533 Blackfin Processor Anomaly List
  33. * - Revision Y, May 17, 2006; ADSP-BF532 Blackfin Processor Anomaly List
  34. * - Revision T, May 17, 2006; ADSP-BF531 Blackfin Processor Anomaly List
  35. */
  36. #ifndef _MACH_ANOMALY_H_
  37. #define _MACH_ANOMALY_H_
  38. /* We do not support 0.1 or 0.2 silicon - sorry */
  39. #if (defined(CONFIG_BF_REV_0_1) || defined(CONFIG_BF_REV_0_2))
  40. #error Kernel will not work on BF533 Version 0.1 or 0.2
  41. #endif
  42. /* Issues that are common to 0.5, 0.4, and 0.3 silicon */
  43. #if (defined(CONFIG_BF_REV_0_5) || defined(CONFIG_BF_REV_0_4) || 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. #endif
  77. /* These issues only occur on 0.3 or 0.4 BF533 */
  78. #if (defined(CONFIG_BF_REV_0_4) || defined(CONFIG_BF_REV_0_3))
  79. #define ANOMALY_05000099 /* UART Line Status Register (UART_LSR) bits are not
  80. updated at the same time. */
  81. #define ANOMALY_05000158 /* Boot fails when data cache enabled: Data from a Data
  82. Cache Fill can be corrupted after or during
  83. Instruction DMA if certain core stalls exist */
  84. #define ANOMALY_05000179 /* PPI_COUNT cannot be programmed to 0 in General
  85. Purpose TX or RX modes */
  86. #define ANOMALY_05000198 /* Failing SYSTEM MMR accesses when stalled by
  87. preceding memory read */
  88. #define ANOMALY_05000200 /* SPORT TFS and DT are incorrectly driven during
  89. inactive channels in certain conditions */
  90. #define ANOMALY_05000202 /* Possible infinite stall with specific dual dag
  91. situation */
  92. #define ANOMALY_05000215 /* UART TX Interrupt masked erroneously */
  93. #define ANOMALY_05000225 /* Incorrect pulse-width of UART start-bit */
  94. #define ANOMALY_05000227 /* Scratchpad memory bank reads may return incorrect
  95. data*/
  96. #define ANOMALY_05000230 /* UART Receiver is less robust against Baudrate
  97. Differences in certain Conditions */
  98. #define ANOMALY_05000231 /* UART STB bit incorrectly affects receiver setting */
  99. #define ANOMALY_05000242 /* DF bit in PLL_CTL register does not respond to
  100. hardware reset */
  101. #define ANOMALY_05000244 /* With instruction cache enabled, a CSYNC or SSYNC or
  102. IDLE around a Change of Control causes
  103. unpredictable results */
  104. #define ANOMALY_05000245 /* Spurious Hardware Error from an access in the
  105. shadow of a conditional branch */
  106. #define ANOMALY_05000246 /* Data CPLB's should prevent spurious hardware
  107. errors */
  108. #define ANOMALY_05000253 /* Maximum external clock speed for Timers */
  109. #define ANOMALY_05000255 /* Entering Hibernate Mode with RTC Seconds event
  110. interrupt not functional */
  111. #define ANOMALY_05000257 /* An interrupt or exception during short Hardware
  112. loops may cause the instruction fetch unit to
  113. malfunction */
  114. #define ANOMALY_05000258 /* Instruction Cache is corrupted when bit 9 and 12 of
  115. the ICPLB Data registers differ */
  116. #define ANOMALY_05000260 /* ICPLB_STATUS MMR register may be corrupted */
  117. #define ANOMALY_05000261 /* DCPLB_FAULT_ADDR MMR register may be corrupted */
  118. #define ANOMALY_05000262 /* Stores to data cache may be lost */
  119. #define ANOMALY_05000263 /* Hardware loop corrupted when taking an ICPLB exception */
  120. #define ANOMALY_05000264 /* A Sync instruction (CSYNC, SSYNC) or an IDLE
  121. instruction will cause an infinite stall in the
  122. second to last instruction in a hardware loop */
  123. #define ANOMALY_05000265 /* Sensitivity to noise with slow input edge rates on
  124. SPORT external receive and transmit clocks. */
  125. #define ANOMALY_05000269 /* High I/O activity causes the output voltage of the
  126. internal voltage regulator (VDDint) to increase. */
  127. #define ANOMALY_05000270 /* High I/O activity causes the output voltage of the
  128. internal voltage regulator (VDDint) to decrease */
  129. #endif
  130. /* These issues are only on 0.4 silicon */
  131. #if (defined(CONFIG_BF_REV_0_4))
  132. #define ANOMALY_05000234 /* Incorrect Revision Number in DSPID Register */
  133. #define ANOMALY_05000250 /* Incorrect Bit-Shift of Data Word in Multichannel
  134. (TDM) */
  135. #endif
  136. /* These issues are only on 0.3 silicon */
  137. #if defined(CONFIG_BF_REV_0_3)
  138. #define ANOMALY_05000183 /* Timer Pin limitations for PPI TX Modes with
  139. External Frame Syncs */
  140. #define ANOMALY_05000189 /* False Protection Exceptions caused by Speculative
  141. Instruction or Data Fetches, or by Fetches at the
  142. boundary of reserved memory space */
  143. #define ANOMALY_05000193 /* False Flag Pin Interrupts on Edge Sensitive Inputs
  144. when polarity setting is changed */
  145. #define ANOMALY_05000194 /* Sport Restarting in specific modes may cause data
  146. corruption */
  147. #define ANOMALY_05000199 /* DMA current address shows wrong value during carry
  148. fix */
  149. #define ANOMALY_05000201 /* Receive frame sync not ignored during active
  150. frames in sport MCM */
  151. #define ANOMALY_05000203 /* Specific sequence that can cause DMA error or DMA
  152. stopping */
  153. #if defined(CONFIG_BF533)
  154. #define ANOMALY_05000204 /* Incorrect data read with write-through cache and
  155. allocate cache lines on reads only mode */
  156. #endif /* CONFIG_BF533 */
  157. #define ANOMALY_05000207 /* Recovery from "brown-out" condition */
  158. #define ANOMALY_05000209 /* Speed-Path in computational unit affects certain
  159. instructions */
  160. #define ANOMALY_05000233 /* PPI_FS3 is not driven in 2 or 3 internal Frame
  161. Sync Transmit Mode */
  162. #define ANOMALY_05000271 /* Spontaneous reset of Internal Voltage Regulator */
  163. #endif
  164. #endif /* _MACH_ANOMALY_H_ */