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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 @@
177#endif 177#endif
178 178
179/* 179/*
180 * The RM9000 has a bug (though PMC-Sierra opposes it being called that)
181 * where invalid instructions in the same I-cache line worth of instructions
182 * being fetched may case spurious exceptions.
183 */
184#if defined(CONFIG_MOMENCO_JAGUAR_ATX) || defined(CONFIG_MOMENCO_OCELOT_3) || \
185 defined(CONFIG_PMC_YOSEMITE)
186#define ICACHE_REFILLS_WORKAROUND_WAR 1
187#endif
188
189
190/*
180 * ON the R10000 upto version 2.6 (not sure about 2.7) there is a bug that 191 * ON the R10000 upto version 2.6 (not sure about 2.7) there is a bug that
181 * may cause ll / sc and lld / scd sequences to execute non-atomically. 192 * may cause ll / sc and lld / scd sequences to execute non-atomically.
182 */ 193 */
@@ -187,6 +198,9 @@
187/* 198/*
188 * Workarounds default to off 199 * Workarounds default to off
189 */ 200 */
201#ifndef ICACHE_REFILLS_WORKAROUND_WAR
202#define ICACHE_REFILLS_WORKAROUND_WAR 0
203#endif
190#ifndef R4600_V1_INDEX_ICACHEOP_WAR 204#ifndef R4600_V1_INDEX_ICACHEOP_WAR
191#define R4600_V1_INDEX_ICACHEOP_WAR 0 205#define R4600_V1_INDEX_ICACHEOP_WAR 0
192#endif 206#endif