1 files changed, 22 insertions, 0 deletions
diff --git a/arch/sh/cpu/sh4/cache.c b/arch/sh/cpu/sh4/cache.c
index 377005cd4d..dc75e3981c 100644
--- a/arch/sh/cpu/sh4/cache.c
+++ b/arch/sh/cpu/sh4/cache.c
@@ -106,3 +106,25 @@ int cache_control(unsigned int cmd)
 
 	return 0;
 }
+
+void dcache_wback_range(u32 start, u32 end)
+{
+	u32 v;
+
+	start &= ~(L1_CACHE_BYTES - 1);
+	for (v = start; v < end; v += L1_CACHE_BYTES) {
+		asm volatile ("ocbwb     %0" :	/* no output */
+			      : "m" (__m(v)));
+	}
+}
+
+void dcache_invalid_range(u32 start, u32 end)
+{
+	u32 v;
+
+	start &= ~(L1_CACHE_BYTES - 1);
+	for (v = start; v < end; v += L1_CACHE_BYTES) {
+		asm volatile ("ocbi     %0" :	/* no output */
+			      : "m" (__m(v)));
+	}
+}