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-rw-r--r--arch/arm64/include/asm/boot.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/boot.h b/arch/arm64/include/asm/boot.h
new file mode 100644
index 0000000000..3e7943fd17
--- /dev/null
+++ b/arch/arm64/include/asm/boot.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef __ASM_BOOT_H
+#define __ASM_BOOT_H
+
+#include <linux/sizes.h>
+
+/*
+ * arm64 requires the DTB to be 8 byte aligned and
+ * not exceed 2MB in size.
+ */
+#define MIN_FDT_ALIGN 8
+#define MAX_FDT_SIZE SZ_2M
+
+/*
+ * arm64 requires the kernel image to placed at a 2 MB aligned base address
+ */
+#define MIN_KIMG_ALIGN SZ_2M
+
+#endif