xref: /openbmc/u-boot/doc/uImage.FIT/kernel.its (revision 173f023f)
1/*
2 * Simple U-Boot uImage source file containing a single kernel
3 */
4
5/dts-v1/;
6
7/ {
8	description = "Simple image with single Linux kernel";
9	#address-cells = <1>;
10
11	images {
12		kernel {
13			description = "Vanilla Linux kernel";
14			data = /incbin/("./vmlinux.bin.gz");
15			type = "kernel";
16			arch = "ppc";
17			os = "linux";
18			compression = "gzip";
19			load = <00000000>;
20			entry = <00000000>;
21			hash-1 {
22				algo = "crc32";
23			};
24			hash-2 {
25				algo = "sha1";
26			};
27		};
28	};
29
30	configurations {
31		default = "config-1";
32		config-1 {
33			description = "Boot Linux kernel";
34			kernel = "kernel";
35		};
36	};
37};
38
39
40
41For x86 a setup node is also required: see x86-fit-boot.txt.
42
43/dts-v1/;
44
45/ {
46	description = "Simple image with single Linux kernel on x86";
47	#address-cells = <1>;
48
49	images {
50		kernel {
51			description = "Vanilla Linux kernel";
52			data = /incbin/("./image.bin.lzo");
53			type = "kernel";
54			arch = "x86";
55			os = "linux";
56			compression = "lzo";
57			load = <0x01000000>;
58			entry = <0x00000000>;
59			hash-2 {
60				algo = "sha1";
61			};
62		};
63
64		setup {
65			description = "Linux setup.bin";
66			data = /incbin/("./setup.bin");
67			type = "x86_setup";
68			arch = "x86";
69			os = "linux";
70			compression = "none";
71			load = <0x00090000>;
72			entry = <0x00090000>;
73			hash-2 {
74				algo = "sha1";
75			};
76		};
77	};
78
79	configurations {
80		default = "config-1";
81		config-1 {
82			description = "Boot Linux kernel";
83			kernel = "kernel";
84			setup = "setup";
85		};
86	};
87};
88
89Note: the above assumes a 32-bit kernel. To directly boot a 64-bit kernel,
90change both arch values to "x86_64". U-Boot will then change to 64-bit mode
91before booting the kernel (see boot_linux_kernel()).
92