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Diffstat (limited to 'libgloss/bfin/include/sys/anomaly_macros_rtl.h')
-rw-r--r-- | libgloss/bfin/include/sys/anomaly_macros_rtl.h | 322 |
1 files changed, 322 insertions, 0 deletions
diff --git a/libgloss/bfin/include/sys/anomaly_macros_rtl.h b/libgloss/bfin/include/sys/anomaly_macros_rtl.h new file mode 100644 index 000000000..f639171e2 --- /dev/null +++ b/libgloss/bfin/include/sys/anomaly_macros_rtl.h @@ -0,0 +1,322 @@ +/* + * 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 : $Revision$ + * + * 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__) + + |