anomaly.h 8.0 KB

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  1. /*
  2. * File: include/asm-blackfin/mach-bf561/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 L, Aug 10, 2006; ADSP-BF561 Silicon Anomaly List
  10. */
  11. #ifndef _MACH_ANOMALY_H_
  12. #define _MACH_ANOMALY_H_
  13. /* We do not support 0.1 or 0.4 silicon - sorry */
  14. #if (defined(CONFIG_BF_REV_0_1) || defined(CONFIG_BF_REV_0_2) || defined(CONFIG_BF_REV_0_4))
  15. #error Kernel will not work on BF561 Version 0.1, 0.2, or 0.4
  16. #endif
  17. /* Issues that are common to 0.5 and 0.3 silicon */
  18. #if (defined(CONFIG_BF_REV_0_5) || defined(CONFIG_BF_REV_0_3))
  19. #define ANOMALY_05000074 /* A multi issue instruction with dsp32shiftimm in
  20. * slot1 and store of a P register in slot 2 is not
  21. * supported */
  22. #define ANOMALY_05000099 /* UART Line Status Register (UART_LSR) bits are not
  23. * updated at the same time. */
  24. #define ANOMALY_05000120 /* Testset instructions restricted to 32-bit aligned
  25. * memory locations */
  26. #define ANOMALY_05000122 /* Rx.H cannot be used to access 16-bit System MMR
  27. * registers */
  28. #define ANOMALY_05000127 /* Signbits instruction not functional under certain
  29. * conditions */
  30. #define ANOMALY_05000149 /* IMDMA S1/D1 channel may stall */
  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_05000182 /* IMDMA does not operate to full speed for 600MHz
  37. * and higher devices */
  38. #define ANOMALY_05000187 /* IMDMA Corrupted Data after a Halt */
  39. #define ANOMALY_05000190 /* PPI not functional at core voltage < 1Volt */
  40. #define ANOMALY_05000208 /* VSTAT status bit in PLL_STAT register is not
  41. * functional */
  42. #define ANOMALY_05000245 /* Spurious Hardware Error from an access in the
  43. * shadow of a conditional branch */
  44. #define ANOMALY_05000257 /* Interrupt/Exception during short hardware loop
  45. * may cause bad instruction fetches */
  46. #define ANOMALY_05000265 /* Sensitivity to noise with slow input edge rates on
  47. * external SPORT TX and RX clocks */
  48. #define ANOMALY_05000267 /* IMDMA may corrupt data under certain conditions */
  49. #define ANOMALY_05000269 /* High I/O activity causes output voltage of internal
  50. * voltage regulator (VDDint) to increase */
  51. #define ANOMALY_05000270 /* High I/O activity causes output voltage of internal
  52. * voltage regulator (VDDint) to decrease */
  53. #define ANOMALY_05000272 /* Certain data cache write through modes fail for
  54. * VDDint <=0.9V */
  55. #define ANOMALY_05000274 /* Data cache write back to external synchronous memory
  56. * may be lost */
  57. #define ANOMALY_05000275 /* PPI Timing and sampling informaton updates */
  58. #define ANOMALY_05000312 /* Errors when SSYNC, CSYNC, or loads to LT, LB and LC
  59. * registers are interrupted */
  60. #endif /* (defined(CONFIG_BF_REV_0_5) || defined(CONFIG_BF_REV_0_3)) */
  61. #if (defined(CONFIG_BF_REV_0_5))
  62. #define ANOMALY_05000254 /* Incorrect Timer Pulse Width in Single-Shot PWM_OUT
  63. * mode with external clock */
  64. #define ANOMALY_05000266 /* IMDMA destination IRQ status must be read prior to
  65. * using IMDMA */
  66. #endif
  67. #if (defined(CONFIG_BF_REV_0_3))
  68. #define ANOMALY_05000156 /* Timers in PWM-Out Mode with PPI GP Receive (Input)
  69. * Mode with 0 Frame Syncs */
  70. #define ANOMALY_05000168 /* SDRAM auto-refresh and subsequent Power Ups */
  71. #define ANOMALY_05000169 /* DATA CPLB page miss can result in lost write-through
  72. * cache data writes */
  73. #define ANOMALY_05000171 /* Boot-ROM code modifies SICA_IWRx wakeup registers */
  74. #define ANOMALY_05000174 /* Cache Fill Buffer Data lost */
  75. #define ANOMALY_05000175 /* Overlapping Sequencer and Memory Stalls */
  76. #define ANOMALY_05000176 /* Multiplication of (-1) by (-1) followed by an
  77. * accumulator saturation */
  78. #define ANOMALY_05000179 /* PPI_COUNT cannot be programmed to 0 in General
  79. * Purpose TX or RX modes */
  80. #define ANOMALY_05000181 /* Disabling the PPI resets the PPI configuration
  81. * registers */
  82. #define ANOMALY_05000184 /* Timer Pin limitations for PPI TX Modes with
  83. * External Frame Syncs */
  84. #define ANOMALY_05000185 /* PPI TX Mode with 2 External Frame Syncs */
  85. #define ANOMALY_05000186 /* PPI packing with Data Length greater than 8 bits
  86. * (not a meaningful mode) */
  87. #define ANOMALY_05000188 /* IMDMA Restrictions on Descriptor and Buffer
  88. * Placement in Memory */
  89. #define ANOMALY_05000189 /* False Protection Exception */
  90. #define ANOMALY_05000193 /* False Flag Pin Interrupts on Edge Sensitive Inputs
  91. * when polarity setting is changed */
  92. #define ANOMALY_05000194 /* Restarting SPORT in specific modes may cause data
  93. * corruption */
  94. #define ANOMALY_05000198 /* Failing MMR accesses when stalled by preceding
  95. * memory read */
  96. #define ANOMALY_05000199 /* DMA current address shows wrong value during carry
  97. * fix */
  98. #define ANOMALY_05000200 /* SPORT TFS and DT are incorrectly driven during
  99. * inactive channels in certain conditions */
  100. #define ANOMALY_05000202 /* Possible infinite stall with specific dual-DAG
  101. * situation */
  102. #define ANOMALY_05000204 /* Incorrect data read with write-through cache and
  103. * allocate cache lines on reads only mode */
  104. #define ANOMALY_05000205 /* Specific sequence that can cause DMA error or DMA
  105. * stopping */
  106. #define ANOMALY_05000207 /* Recovery from "brown-out" condition */
  107. #define ANOMALY_05000209 /* Speed-Path in computational unit affects certain
  108. * instructions */
  109. #define ANOMALY_05000215 /* UART TX Interrupt masked erroneously */
  110. #define ANOMALY_05000219 /* NMI event at boot time results in unpredictable
  111. * state */
  112. #define ANOMALY_05000220 /* Data Corruption with Cached External Memory and
  113. * Non-Cached On-Chip L2 Memory */
  114. #define ANOMALY_05000225 /* Incorrect pulse-width of UART start-bit */
  115. #define ANOMALY_05000227 /* Scratchpad memory bank reads may return incorrect
  116. * data */
  117. #define ANOMALY_05000230 /* UART Receiver is less robust against Baudrate
  118. * Differences in certain Conditions */
  119. #define ANOMALY_05000231 /* UART STB bit incorrectly affects receiver setting */
  120. #define ANOMALY_05000232 /* SPORT data transmit lines are incorrectly driven in
  121. * multichannel mode */
  122. #define ANOMALY_05000242 /* DF bit in PLL_CTL register does not respond to
  123. * hardware reset */
  124. #define ANOMALY_05000244 /* If i-cache is on, CSYNC/SSYNC/IDLE around Change of
  125. * Control causes failures */
  126. #define ANOMALY_05000248 /* TESTSET operation forces stall on the other core */
  127. #define ANOMALY_05000250 /* Incorrect Bit-Shift of Data Word in Multichannel
  128. * (TDM) mode in certain conditions */
  129. #define ANOMALY_05000251 /* Exception not generated for MMR accesses in
  130. * reserved region */
  131. #define ANOMALY_05000253 /* Maximum external clock speed for Timers */
  132. #define ANOMALY_05000258 /* Instruction Cache is corrupted when bits 9 and 12
  133. * of the ICPLB Data registers differ */
  134. #define ANOMALY_05000260 /* ICPLB_STATUS MMR register may be corrupted */
  135. #define ANOMALY_05000261 /* DCPLB_FAULT_ADDR MMR register may be corrupted */
  136. #define ANOMALY_05000262 /* Stores to data cache may be lost */
  137. #define ANOMALY_05000263 /* Hardware loop corrupted when taking an ICPLB
  138. * exception */
  139. #define ANOMALY_05000264 /* CSYNC/SSYNC/IDLE causes infinite stall in second
  140. * to last instruction in hardware loop */
  141. #define ANOMALY_05000276 /* Timing requirements change for External Frame
  142. * Sync PPI Modes with non-zero PPI_DELAY */
  143. #define ANOMALY_05000278 /* Disabling Peripherals with DMA running may cause
  144. * DMA system instability */
  145. #define ANOMALY_05000281 /* False Hardware Error Exception when ISR context is
  146. * not restored */
  147. #define ANOMALY_05000283 /* An MMR write is stalled indefinitely when killed
  148. * in a particular stage */
  149. #define ANOMALY_05000287 /* A read will receive incorrect data under certain
  150. * conditions */
  151. #define ANOMALY_05000288 /* SPORTs may receive bad data if FIFOs fill up */
  152. #endif
  153. #endif /* _MACH_ANOMALY_H_ */