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mkimage will now report information about loadable

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Added FIT_LOADABLE_PROP, so the user can identify an optional entry
named "loadables" in their .its configuration. "loadables" is a comma
separated list in the .its

Documentation can be found in doc/uImage.FIT/source_file_format.txt and
                              doc/uImage.Fit/multi-with-loadables.its

Signed-off-by: Karl Apsite <Karl.Apsite@dornerworks.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Karl Apsite 2015-05-21 09:52:47 -04:00 • committed by Tom Rini
parent 15b8973cdf
commit ecf8cd6535
4 changed files with 111 additions and 0 deletions
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89
doc/uImage.FIT/multi-with-loadables.its Normal file
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@ -0,0 +1,89 @@
/*
* U-Boot uImage source file with multiple kernels, ramdisks and FDT blobs
* This example makes use of the 'loadables' field
*/
/dts-v1/;
/ {
description = "Configuration to load a Xen Kernel";
#address-cells = <1>;
images {
xen_kernel@1 {
description = "xen binary";
data = /incbin/("./xen");
type = "kernel";
arch = "arm";
os = "linux";
compression = "none";
load = <0xa0000000>;
entry = <0xa0000000>;
hash@1 {
algo = "md5";
};
};
fdt@1 {
description = "xexpress-ca15 tree blob";
data = /incbin/("./vexpress-v2p-ca15-tc1.dtb");
type = "flat_dt";
arch = "arm";
compression = "none";
load = <0xb0000000>;
hash@1 {
algo = "md5";
};
};
fdt@2 {
description = "xexpress-ca15 tree blob";
data = /incbin/("./vexpress-v2p-ca15-tc1.dtb");
type = "flat_dt";
arch = "arm";
compression = "none";
load = <0xb0400000>;
hash@1 {
algo = "md5";
};
};
linux_kernel@1 {
description = "Linux Image";
data = /incbin/("./Image");
type = "kernel";
arch = "arm";
os = "linux";
compression = "none";
load = <0xa0000000>;
entry = <0xa0000000>;
hash@1 {
algo = "md5";
};
};
};
configurations {
default = "config@2";
config@1 {
description = "Just plain Linux";
kernel = "linux_kernel@1";
fdt = "fdt@1";
};
config@2 {
description = "Xen one loadable";
kernel = "xen_kernel@1";
fdt = "fdt@1";
loadables = "linux_kernel@1";
};
config@3 {
description = "Xen two loadables";
kernel = "xen_kernel@1";
fdt = "fdt@1";
loadables = "linux_kernel@1", "fdt@2";
};
};
};

4
doc/uImage.FIT/source_file_format.txt
View file

@ -235,6 +235,7 @@ o config@1
|- kernel = "kernel sub-node unit name"
|- ramdisk = "ramdisk sub-node unit name"
|- fdt = "fdt sub-node unit-name"
|- loadables = "loadables sub-node unit-name"
Mandatory properties:
@ -249,6 +250,9 @@ o config@1
"fdt type").
- setup : Unit name of the corresponding setup binary (used for booting
an x86 kernel). This contains the setup.bin file built by the kernel.
- loadables : Unit name containing a list of additional binaries to be
loaded at their given locations. "loadables" is a comma-separated list
of strings. U-Boot will load each binary at its given start-address.
The FDT blob is required to properly boot FDT based kernel, so the minimal
configuration for 2.6 FDT kernel is (kernel, fdt) pair.