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-rw-r--r--include/asm-mips/war.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/asm-mips/war.h b/include/asm-mips/war.h
index 04ee53b34c2e..ad374bd3f130 100644
--- a/include/asm-mips/war.h
+++ b/include/asm-mips/war.h
@@ -177,6 +177,17 @@
#endif
/*
+ * The RM9000 has a bug (though PMC-Sierra opposes it being called that)
+ * where invalid instructions in the same I-cache line worth of instructions
+ * being fetched may case spurious exceptions.
+ */
+#if defined(CONFIG_MOMENCO_JAGUAR_ATX) || defined(CONFIG_MOMENCO_OCELOT_3) || \
+ defined(CONFIG_PMC_YOSEMITE)
+#define ICACHE_REFILLS_WORKAROUND_WAR 1
+#endif
+
+
+/*
* ON the R10000 upto version 2.6 (not sure about 2.7) there is a bug that
* may cause ll / sc and lld / scd sequences to execute non-atomically.
*/
@@ -187,6 +198,9 @@
/*
* Workarounds default to off
*/
+#ifndef ICACHE_REFILLS_WORKAROUND_WAR
+#define ICACHE_REFILLS_WORKAROUND_WAR 0
+#endif
#ifndef R4600_V1_INDEX_ICACHEOP_WAR
#define R4600_V1_INDEX_ICACHEOP_WAR 0
#endif