1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (C) 2016
4  * Ladislav Michl <ladis@linux-mips.org>
5  *
6  * bootz code:
7  * Copyright (C) 2012 Marek Vasut <marek.vasut@gmail.com>
8  */
9 #include <common.h>
10 #include <image.h>
11 
12 #define	LINUX_ARM_ZIMAGE_MAGIC	0x016f2818
13 #define	BAREBOX_IMAGE_MAGIC	0x00786f62
14 
15 struct arm_z_header {
16 	uint32_t	code[9];
17 	uint32_t	zi_magic;
18 	uint32_t	zi_start;
19 	uint32_t	zi_end;
20 } __attribute__ ((__packed__));
21 
bootz_setup(ulong image,ulong * start,ulong * end)22 int bootz_setup(ulong image, ulong *start, ulong *end)
23 {
24 	struct arm_z_header *zi = (struct arm_z_header *)image;
25 
26 	if (zi->zi_magic != LINUX_ARM_ZIMAGE_MAGIC &&
27 	    zi->zi_magic != BAREBOX_IMAGE_MAGIC) {
28 #ifndef CONFIG_SPL_FRAMEWORK
29 		puts("zimage: Bad magic!\n");
30 #endif
31 		return 1;
32 	}
33 
34 	*start = zi->zi_start;
35 	*end = zi->zi_end;
36 #ifndef CONFIG_SPL_FRAMEWORK
37 	printf("Kernel image @ %#08lx [ %#08lx - %#08lx ]\n",
38 	       image, *start, *end);
39 #endif
40 
41 	return 0;
42 }
43