1 files changed, 30 insertions, 0 deletions
diff --git a/roms/u-boot/arch/riscv/include/asm/dma-mapping.h b/roms/u-boot/arch/riscv/include/asm/dma-mapping.h
new file mode 100644
index 000000000..6ecadab41
--- /dev/null
+++ b/roms/u-boot/arch/riscv/include/asm/dma-mapping.h
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (c) 2018 Western Digital Corporation or its affiliates.
+ *
+ * Authors:
+ *   Anup Patel <anup.patel@wdc.com>
+ */
+
+#ifndef __ASM_RISCV_DMA_MAPPING_H
+#define __ASM_RISCV_DMA_MAPPING_H
+
+#include <common.h>
+#include <linux/types.h>
+#include <asm/cache.h>
+#include <cpu_func.h>
+#include <linux/dma-direction.h>
+#include <malloc.h>
+
+static inline void *dma_alloc_coherent(size_t len, unsigned long *handle)
+{
+	*handle = (unsigned long)memalign(ARCH_DMA_MINALIGN, len);
+	return (void *)*handle;
+}
+
+static inline void dma_free_coherent(void *addr)
+{
+	free(addr);
+}
+
+#endif /* __ASM_RISCV_DMA_MAPPING_H */