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05e5503021
The 'ns-load-address' property has been renamed to 'secondary-load- address' in order to make it more generic. It can be used to copy the configuration to any location, be it root, secure, or non-secure. Change-Id: I122508e155ccd99082296be3f6b8db2f908be221 Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
42 lines
1.3 KiB
ReStructuredText
42 lines
1.3 KiB
ReStructuredText
DTB binding for FCONF properties
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================================
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This document describes the device tree format of |FCONF| properties. These
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properties are not related to a specific platform and can be queried from
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common code.
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Dynamic configuration
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~~~~~~~~~~~~~~~~~~~~~
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The |FCONF| framework expects a *dtb-registry* node with the following field:
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- compatible [mandatory]
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- value type: <string>
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- Must be the string "fconf,dyn_cfg-dtb_registry".
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Then a list of subnodes representing a configuration |DTB|, which can be used
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by |FCONF|. Each subnode should be named according to the information it
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contains, and must be formed with the following fields:
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- load-address [mandatory]
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- value type: <u64>
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- Physical loading base address of the configuration.
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If secondary-load-address is also provided (see below), then this is the
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primary load address.
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- max-size [mandatory]
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- value type: <u32>
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- Maximum size of the configuration.
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- id [mandatory]
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- value type: <u32>
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- Image ID of the configuration.
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- secondary-load-address [optional]
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- value type: <u64>
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- A platform uses this physical address to copy the configuration to
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another location during the boot-flow.
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--------------
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*Copyright (c) 2023, Arm Limited and Contributors. All rights reserved.*
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