xref: /OK3568_Linux_fs/kernel/arch/arm64/include/asm/boot.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun 
3*4882a593Smuzhiyun #ifndef __ASM_BOOT_H
4*4882a593Smuzhiyun #define __ASM_BOOT_H
5*4882a593Smuzhiyun 
6*4882a593Smuzhiyun #include <linux/sizes.h>
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun /*
9*4882a593Smuzhiyun  * arm64 requires the DTB to be 8 byte aligned and
10*4882a593Smuzhiyun  * not exceed 2MB in size.
11*4882a593Smuzhiyun  */
12*4882a593Smuzhiyun #define MIN_FDT_ALIGN		8
13*4882a593Smuzhiyun #define MAX_FDT_SIZE		SZ_2M
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun /*
16*4882a593Smuzhiyun  * arm64 requires the kernel image to placed at a 2 MB aligned base address
17*4882a593Smuzhiyun  */
18*4882a593Smuzhiyun #define MIN_KIMG_ALIGN		SZ_2M
19*4882a593Smuzhiyun 
20*4882a593Smuzhiyun #endif
21