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authorIan Campbell <ian.campbell@citrix.com>2013-02-18 15:20:34 +0000
committerIan Campbell <ian.campbell@citrix.com>2013-03-13 10:56:56 +0000
commitc8bcb5723355772ca8e20382c559c6b19f639245 (patch)
treeb694a3e343fb27b5b7a4c8de34089f5c131cd6a6 /docs/misc
parent0c46b4ce85516e208f587fe518dad24156d84ac2 (diff)
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xen: arm: parse modules from DT during early boot.
The bootloader should populate /chosen/modules/module@<N>/ for each module it wishes to pass to the hypervisor. The content of these nodes is described in docs/misc/arm/device-tree/booting.txt Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Diffstat (limited to 'docs/misc')
-rw-r--r--docs/misc/arm/device-tree/booting.txt25
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diff --git a/docs/misc/arm/device-tree/booting.txt b/docs/misc/arm/device-tree/booting.txt
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+Xen is passed the dom0 kernel and initrd via a reference in the /chosen
+node of the device tree.
+
+Each node has the form /chosen/modules/module@<N> and contains the following
+properties:
+
+- compatible
+
+ Must be:
+
+ "xen,<type>", "xen,multiboot-module"
+
+ where <type> must be one of:
+
+ - "linux-zimage" -- the dom0 kernel
+ - "linux-initrd" -- the dom0 ramdisk
+
+- reg
+
+ Specifies the physical address of the module in RAM and the
+ length of the module.
+
+- bootargs (optional)
+
+ Command line associated with this module