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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.17.0/] [libgloss/] [bfin/] [include/] [sys/] [anomaly_macros_rtl.h] - Rev 281
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/* * The authors hereby grant permission to use, copy, modify, distribute, * and license this software and its documentation for any purpose, provided * that existing copyright notices are retained in all copies and that this * notice is included verbatim in any distributions. No written agreement, * license, or royalty fee is required for any of the authorized uses. * Modifications to this software may be copyrighted by their authors * and need not follow the licensing terms described here, provided that * the new terms are clearly indicated on the first page of each file where * they apply. */ /************************************************************************ * * anomaly_macros_rtl.h : $Revision: 1.1 $ * * Copyright (C) 2008 Analog Devices, Inc. * * This file defines macros used within the run-time libraries to enable * certain anomaly workarounds for the appropriate chips and silicon * revisions. Certain macros are defined for silicon-revision none - this * is to ensure behaviour is unchanged from libraries supplied with * earlier tools versions, where a small number of anomaly workarounds * were applied in all library flavours. __FORCE_LEGACY_WORKAROUNDS__ * is defined in this case. * * This file defines macros for a subset of all anomalies that may impact * the run-time libraries. * ************************************************************************/ #if !defined(__SILICON_REVISION__) #define __FORCE_LEGACY_WORKAROUNDS__ #endif /* 05-00-0096 - PREFETCH, FLUSH, and FLUSHINV must be followed by a CSYNC ** ** ADSP-BF531/2/3 - revs 0.0-0.1, ** ADSP-BF561 - revs 0.0-0.1 (not supported in VDSP++ 4.0) ** */ #define WA_05000096 \ ((defined(__ADSPBF531__) || \ defined(__ADSPBF532__) || \ defined(__ADSPBF533__) || \ defined(__ADSPBF561__)) && \ ((defined(__SILICON_REVISION__) && \ (__SILICON_REVISION__ == 0xffff || __SILICON_REVISION__ <= 0x1)) || \ defined(__FORCE_LEGACY_WORKAROUNDS__))) /* 05-00-0109 - Reserved bits in SYSCFG register not set at power on ** ** ADSP-BF531/2/3 - revs 0.0-0.2 (fixed 0.3) ** ADSP-BF561 - revs 0.0-0.2 (fixed 0.3. 0.0, 0.1 not supported in VDSP++ 4.0) ** ** Changes to start code. */ #define WA_05000109 \ ((defined(__ADSPBF531__) || \ defined(__ADSPBF532__) || \ defined(__ADSPBF533__) || \ defined(__ADSPBF561__)) && \ ((defined(__SILICON_REVISION__) && \ (__SILICON_REVISION__ == 0xffff || __SILICON_REVISION__ <= 0x2)) || \ defined(__FORCE_LEGACY_WORKAROUNDS__))) /* 05-00-0123 - DTEST_COMMAND initiated memory access may be incorrect if ** data cache or DMA is active. ** ** ADSP-BF531/2/3 - revs 0.1-0.2 (fixed 0.3) ** ADSP-BF561 - revs 0.0-0.2 (0.0 and 0.1 not supported in VDSP++ 4.0) */ #define WA_05000123 \ ((defined(__ADSPBF531__) || \ defined(__ADSPBF532__) || \ defined(__ADSPBF533__) || \ defined(__ADSPBF561__)) && \ ((defined(__SILICON_REVISION__) && \ (__SILICON_REVISION__ == 0xffff || __SILICON_REVISION__ <= 0x2)) || \ defined(__FORCE_LEGACY_WORKAROUNDS__))) /* 05-00-0125 - Erroneous exception when enabling cache ** ** ADSP-BF531/2/3 - revs 0.1-0.2 (fixed 0.3) ** ADSP-BF561 - revs 0.0-0.2 (0.0 and 0.1 not supported in VDSP++ 4.0) ** */ #define WA_05000125 \ ((defined(__ADSPBF531__) || \ defined(__ADSPBF532__) || \ defined(__ADSPBF533__) || \ defined(__ADSPBF561__)) && \ ((defined(__SILICON_REVISION__) && \ (__SILICON_REVISION__ == 0xffff || __SILICON_REVISION__ <= 0x2)) || \ defined(__FORCE_LEGACY_WORKAROUNDS__))) /* 05-00-0137 - DMEM_CONTROL<12> is not set on Reset ** ** ADSP-BF531/2/3 - revs 0.0-0.2 (fixed 0.3) ** ** Changes to start code. ** */ #define WA_05000137 \ ((defined(__ADSPBF531__) || \ defined(__ADSPBF532__) || \ defined(__ADSPBF533__)) && \ ((defined(__SILICON_REVISION__) && \ (__SILICON_REVISION__ == 0xffff || __SILICON_REVISION__ <= 0x2)) || \ defined(__FORCE_LEGACY_WORKAROUNDS__))) /* 05-00-0158 - "Boot fails when data cache enabled: Data from a Data Cache ** fill can be corrupted after or during instruction DMA if certain core ** stalls exist" ** ** Impacted: ** BF533/3/1 : 0.0-0.4 (fixed 0.5) ** ** The workaround we have only works for si-revisions >= 0.3. No workaround for ** ealier revisions. */ #define WA_05000158 \ ((defined(__ADSPBF531__) || \ defined(__ADSPBF532__) || \ defined(__ADSPBF533__)) && \ ((defined(__SILICON_REVISION__) && \ (__SILICON_REVISION__ == 0xffff || \ (__SILICON_REVISION__ >= 0x3 && \ __SILICON_REVISION__ < 0x5))) || \ defined(__FORCE_LEGACY_WORKAROUNDS__))) /* 05-00-0204 - "Incorrect data read with write-through cache and ** allocate cache lines on reads only mode. ** ** This problem is cache related with high speed clocks. It apparently does ** not impact BF531 and BF532 because they cannot run at high enough clock ** to cause the anomaly. We build libs for BF532 though so that means we will ** need to do the workaround for BF532 and BF531 also. ** ** Also the 0.3 to 0.4 revision is not an inflexion for libs BF532 and BF561. ** This means a RT check may be required to avoid doing the WA for 0.4. ** ** Impacted: ** BF533 - 0.0-0.3 (fixed 0.4) ** BF534 - 0.0 (fixed 0.1) ** BF536 - 0.0 (fixed 0.1) ** BF537 - 0.0 (fixed 0.1) ** BF538 - 0.0 (fixed 0.1) ** BF539 - 0.0 (fixed 0.1) ** BF561 - 0.0-0.3 (fixed 0.4) */ #if defined(__ADI_LIB_BUILD__) # define __BUILDBF53123 1 /* building one single library for BF531/2/3 */ #else # define __BUILDBF53123 0 #endif #define WA_05000204 \ ((((__BUILDBF53123==1 && \ (defined(__ADSPBF531__) || defined(__ADSPBF532__))) || \ (defined(__ADSPBF533__) || defined(__ADSPBF561__))) && \ (defined(__SILICON_REVISION__) && \ (__SILICON_REVISION__ == 0xffff || __SILICON_REVISION__ <= 0x3))) || \ ((defined(__ADSPBF534__) || defined(__ADSPBF536__) || \ defined(__ADSPBF537__) || defined(__ADSPBF538__) || \ defined(__ADSPBF539__)) && \ (defined(__SILICON_REVISION__) && \ (__SILICON_REVISION__ == 0xffff || __SILICON_REVISION__ == 0x0)))) #if ((defined(__ADSPBF531__) || defined(__ADSPBF532__) || \ defined(__ADSPBF533__) || defined(__ADSPBF561__)) && \ (defined(__SILICON_REVISION__) && \ (__SILICON_REVISION__ == 0xffff || __SILICON_REVISION__ == 0x3))) /* check at RT for 0.4 revs when doing 204 workaround */ # define WA_05000204_CHECK_AVOID_FOR_REV <=3 #elif ((defined(__ADSPBF534__) || defined(__ADSPBF536__) || \ defined(__ADSPBF537__) || defined(__ADSPBF538__) || \ defined(__ADSPBF539__)) && \ (defined(__SILICON_REVISION__) && \ (__SILICON_REVISION__ == 0xffff || __SILICON_REVISION__ == 0x0))) /* check at RT for 0.4 revs when doing 204 workaround */ # define WA_05000204_CHECK_AVOID_FOR_REV <1 #else /* do not check at RT for 0.4 revs when doing 204 workaround */ #endif /* 05-00-0258 - "Instruction Cache is corrupted when bit 9 and 12 of * the ICPLB Data registers differ" * * When bit 9 and bit 12 of the ICPLB Data MMR differ, the cache may * not update properly. For example, for a particular cache line, * the cache tag may be valid while the contents of that cache line * are not present in the cache. * * Impacted: * * BF531/2/3 - 0.0-0.4 (fixed 0.5) * BF534/6/7/8/9 - 0.0-0.2 (fixed 0.3) * BF561 - 0.0-0.4 (fixed 0.5) * BF535/AD6532/AD6900 - all revs */ #define WA_05000258 \ defined(__SILICON_REVISION__) && \ (__SILICON_REVISION__ == 0xffff || \ !defined(__ADSPLPBLACKFIN__) || \ ((defined(__ADSPBF531__) || \ defined(__ADSPBF532__) || \ defined(__ADSPBF533__)) && \ (__SILICON_REVISION__ <= 0x4)) || \ ((defined(__ADSPBF534__) || \ defined(__ADSPBF536__) || \ defined(__ADSPBF537__) || \ defined(__ADSPBF538__) || \ defined(__ADSPBF539__)) && \ (__SILICON_REVISION__ <= 0x2)) || \ ((defined(__ADSPBF561__)) && \ (__SILICON_REVISION__ <= 0x4)) || \ ((defined(__ADSPBF561__)) && \ (__SILICON_REVISION__ < 0x1))) /* 05-00-0259 - "Non-deterministic ICPLB descriptors delivered to * hardware". Whenever ICPLBs are disabled via an MMR write, immediately * follow this write with a CSYNC, and locate the MMR write and CSYNC * within the same aligned 64 bit word. * * This problem impacts all revisions of Blackfins. */ #define WA_05000259 \ (defined(__ADSPBLACKFIN__) && defined(__SILICON_REVISION__)) /* 05-00-0261 - "DCPLB_FAULT_ADDR MMR may be corrupted". * The DCPLB_FAULT_ADDR MMR may contain the fault address of a * aborted memory access which generated both a protection exception * and a stall. * * We work around this by initially ignoring a DCPLB miss exception * on the assumption that the faulting address might be invalid. * We return without servicing. The exception will be raised * again when the faulting instruction is re-executed. The fault * address is correct this time round so the miss exception can * be serviced as normal. The only complication is we have to * ensure that we are about to service the same miss rather than * a miss raised within a higher-priority interrupt handler, where * the fault address could again be invalid. We therefore record * the last seen RETX and only service an exception when RETX and * the last seen RETX are equal. * * This problem impacts: * BF531/2/3 - rev 0.0-0.4 (fixed 0.5) * BF534/6/7/8/9 - rev 0.0-0.2 (fixed 0.3) * BF561 - rev 0.0-0.4 (fixed 0.5) * */ #define WA_05000261 \ defined(__SILICON_REVISION__) && \ (__SILICON_REVISION__ == 0xffff || \ ((defined(__ADSPBF531__) || \ defined(__ADSPBF532__) || \ defined(__ADSPBF533__)) && \ (__SILICON_REVISION__ <= 0x4)) || \ ((defined(__ADSPBF534__) || \ defined(__ADSPBF536__) || \ defined(__ADSPBF537__) || \ defined(__ADSPBF538__) || \ defined(__ADSPBF539__)) && \ (__SILICON_REVISION__ <= 0x2)) || \ ((defined(__ADSPBF561__)) && \ (__SILICON_REVISION__ <= 0x4)) || \ ((defined(__ADSPBF561__)) && \ (__SILICON_REVISION__ < 0x1))) /* 05-00-0229 - "SPI Slave Boot Mode Modifies Registers". * When the SPI slave boot completes, the final DMA IRQ is cleared * but the DMA5_CONFIG and SPI_CTL registers are not reset to their * default states. * * We work around this by resetting the registers to their default * values at the beginning of the CRT. The only issue would be when * users boot from flash and make use of the DMA or serial port. * In this case, users would need to modify the CRT. * * This problem impacts all revisions of ADSP-BF531/2/3/8/9 */ #define WA_05000229 \ (defined(__ADSPBLACKFIN__) && defined (__SILICON_REVISION__) && \ (defined(__ADSPBF531__) || defined(__ADSPBF532__) || \ defined(__ADSPBF533__) || defined(__ADSPBF538__) || \ defined(__ADSPBF539__))) /* 05-00-0283 - "A system MMR write is stalled indefinitely when killed in a * particular stage". * * Where an interrupt occurs killing a stalled system MMR write, and the ISR * executes an SSYNC, execution execution may stall indefinitely". * * The workaround is to execute a mispredicted jump over a dummy MMR read, * thus killing the read. Also to avoid a system MMR write in two slots * after a not predicted conditional jump. * * This problem impacts: * BF531/2/3 - all revs * BF534/6/7/8/9 - all revs * BF561/6 - all revs */ #define WA_05000283 \ defined(__ADSPLPBLACKFIN__) && defined(__SILICON_REVISION__)
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