Merge pull request #62 from tlauda/topic/cache_all_memory

cache: add operations on whole memory

Author: lgirdwood

src/arch/xtensa/include/arch/cache.h

@@ -49,21 +49,49 @@ static inline void dcache_writeback_region(void *addr, size_t size)
 	xthal_dcache_region_writeback(addr, size);
 }
 
+static inline void dcache_writeback_all()
+{
+#if XCHAL_DCACHE_SIZE > 0
+	xthal_dcache_all_writeback();
+#endif
+}
+
 static inline void dcache_invalidate_region(void *addr, size_t size)
 {
 	xthal_dcache_region_invalidate(addr, size);
 }
 
+static inline void dcache_invalidate_all()
+{
+#if XCHAL_DCACHE_SIZE > 0
+	xthal_dcache_all_invalidate();
+#endif
+}
+
 static inline void icache_invalidate_region(void *addr, size_t size)
 {
 	xthal_icache_region_invalidate(addr, size);
 }
 
+static inline void icache_invalidate_all()
+{
+#if XCHAL_ICACHE_SIZE > 0
+	xthal_icache_all_invalidate();
+#endif
+}
+
 static inline void dcache_writeback_invalidate_region(void *addr, size_t size)
 {
 	xthal_dcache_region_writeback_inv(addr, size);
 }
 
+static inline void dcache_writeback_invalidate_all()
+{
+#if XCHAL_DCACHE_SIZE > 0
+	xthal_dcache_all_writeback_inv();
+#endif
+}
+
 #endif
 #endif