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Diffstat (limited to 'libgloss/bfin/include/sys/anomaly_macros_rtl.h')
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diff --git a/libgloss/bfin/include/sys/anomaly_macros_rtl.h b/libgloss/bfin/include/sys/anomaly_macros_rtl.h
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+++ 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__)
+
+