1  /* SPDX-License-Identifier: GPL-2.0-only */
 2  
 3  #include <endian.h>
 4  #include <fmap_config.h>
 5  #include <commonlib/bsd/cbfs_serialized.h>
 6  
 7  struct cbfs_header header = {
 8  	.magic = cpu_to_be32(CBFS_HEADER_MAGIC),
 9  	.version = cpu_to_be32(CBFS_HEADER_VERSION),
10  	/*
11  	 * The offset and romsize fields within the master header are absolute
12  	 * values within the boot media. As such, romsize needs to reflect
13  	 * the end 'offset' for a CBFS. To achieve that the current buffer
14  	 * representing the CBFS region's size is added to the offset of
15  	 * the region within a larger image.
16  	 */
17  	.romsize = cpu_to_be32(FMAP_SECTION_COREBOOT_START + FMAP_SECTION_COREBOOT_SIZE
18  			       - FMAP_SECTION_FLASH_START),
19  	/*
20  	 * The 4 bytes are left out for two reasons:
21  	 * 1. the cbfs master header pointer resides there
22  	 * 2. some cbfs implementations assume that an image that resides
23  	 *    below 4GB has a bootblock and get confused when the end of the
24  	 *    image is at 4GB == 0.
25  	 */
26  	.bootblocksize = cpu_to_be32(4),
27  	.align = cpu_to_be32(CBFS_ALIGNMENT),
28  	.offset = cpu_to_be32(FMAP_SECTION_COREBOOT_START - FMAP_SECTION_FLASH_START),
29  	.architecture = cpu_to_be32(CBFS_ARCHITECTURE_UNKNOWN),
30  };