initial commit, taken and modified from linaro/insignal
diff --git a/exynos4/hal/include/s3c_mem.h b/exynos4/hal/include/s3c_mem.h
new file mode 100644
index 0000000..dd4cbdb
--- /dev/null
+++ b/exynos4/hal/include/s3c_mem.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright@ Samsung Electronics Co. LTD
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _S3C_MEM_COMMON_H_
+#define _S3C_MEM_COMMON_H_
+
+#define MEM_IOCTL_MAGIC 'M'
+
+#define S3C_MEM_ALLOC _IOWR(MEM_IOCTL_MAGIC, 310, struct s3c_mem_alloc)
+#define S3C_MEM_FREE _IOWR(MEM_IOCTL_MAGIC, 311, struct s3c_mem_alloc)
+
+#define S3C_MEM_SHARE_ALLOC _IOWR(MEM_IOCTL_MAGIC, 314, struct s3c_mem_alloc)
+#define S3C_MEM_SHARE_FREE _IOWR(MEM_IOCTL_MAGIC, 315, struct s3c_mem_alloc)
+
+#define S3C_MEM_CACHEABLE_ALLOC _IOWR(MEM_IOCTL_MAGIC, 316, struct s3c_mem_alloc)
+#define S3C_MEM_CACHEABLE_SHARE_ALLOC _IOWR(MEM_IOCTL_MAGIC, 317, struct s3c_mem_alloc)
+
+#define S3C_MEM_CACHE_FLUSH _IOWR(MEM_IOCTL_MAGIC, 318, struct s3c_mem_alloc)
+#define S3C_MEM_CACHE_INVAL _IOWR(MEM_IOCTL_MAGIC, 319, struct s3c_mem_alloc)
+#define S3C_MEM_CACHE_CLEAN _IOWR(MEM_IOCTL_MAGIC, 320, struct s3c_mem_alloc)
+
+struct s3c_mem_alloc {
+ int size;
+ unsigned int vir_addr;
+ unsigned int phy_addr;
+};
+
+struct s3c_mem_dma_param {
+ int size;
+ unsigned int src_addr;
+ unsigned int dst_addr;
+ int cfg;
+};
+
+#endif // _S3C_MEM_COMMON_H_