1 files changed, 16 insertions, 0 deletions

diff --git a/arch/powerpc/include/asm/cache.h b/arch/powerpc/include/asm/cache.h
index 4b509411ad8a..9e495c9a6a88 100644
--- a/arch/powerpc/include/asm/cache.h
+++ b/arch/powerpc/include/asm/cache.h
@@ -42,8 +42,24 @@ extern struct ppc64_caches ppc64_caches;
 #endif /* __powerpc64__ && ! __ASSEMBLY__ */
 
 #if !defined(__ASSEMBLY__)
+
 #define __read_mostly __attribute__((__section__(".data..read_mostly")))
+
+#ifdef CONFIG_6xx
+extern long _get_L2CR(void);
+extern long _get_L3CR(void);
+extern void _set_L2CR(unsigned long);
+extern void _set_L3CR(unsigned long);
+#else
+#define _get_L2CR()     0L
+#define _get_L3CR()     0L
+#define _set_L2CR(val)  do { } while(0)
+#define _set_L3CR(val)  do { } while(0)
 #endif
 
+extern void cacheable_memzero(void *p, unsigned int nb);
+extern void *cacheable_memcpy(void *, const void *, unsigned int);
+
+#endif /* !__ASSEMBLY__ */
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_CACHE_H */