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-rw-r--r--arch/microblaze/include/asm/dma.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/microblaze/include/asm/dma.h b/arch/microblaze/include/asm/dma.h
new file mode 100644
index 0000000000..7484c9eb66
--- /dev/null
+++ b/arch/microblaze/include/asm/dma.h
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2006 Atmark Techno, Inc.
+ */
+
+#ifndef _ASM_MICROBLAZE_DMA_H
+#define _ASM_MICROBLAZE_DMA_H
+
+/* Virtual address corresponding to last available physical memory address. */
+#define MAX_DMA_ADDRESS (CONFIG_KERNEL_START + memory_size - 1)
+
+#endif /* _ASM_MICROBLAZE_DMA_H */