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https://github.com/AsahiLinux/u-boot
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9e51204527
Since U-Boot supports both a live tree and a flat tree, we need an easy way to access the tree without worrying about which is currently active. To support this, U-Boot has the concept of an ofnode, which can refer either to a live tree node or a flat tree node. For the live tree, the reference contains a pointer to the node (struct device_node *) or NULL if the node is invalid. For the flat tree, the reference contains the node offset or -1 if the node is invalid. Add a basic set of operations using ofnodes. These are implemented by using either libfdt functions (in the case of a flat DT reference) or the live-tree of_...() functions. Note that it is not possible to have both live and flat references active at the same time. As soon as the live tree is available, everything in U-Boot should switch to using that. This avoids confusion and allows us to assume that the type of a reference is simply based on whether we have a live tree yet, or not. Signed-off-by: Simon Glass <sjg@chromium.org>
15 lines
461 B
Makefile
15 lines
461 B
Makefile
#
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# Copyright (c) 2013 Google, Inc
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#
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# SPDX-License-Identifier: GPL-2.0+
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#
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obj-y += device.o fdtaddr.o lists.o root.o uclass.o util.o
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obj-$(CONFIG_DEVRES) += devres.o
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obj-$(CONFIG_$(SPL_)DM_DEVICE_REMOVE) += device-remove.o
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obj-$(CONFIG_$(SPL_)SIMPLE_BUS) += simple-bus.o
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obj-$(CONFIG_DM) += dump.o
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obj-$(CONFIG_$(SPL_)REGMAP) += regmap.o
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obj-$(CONFIG_$(SPL_)SYSCON) += syscon-uclass.o
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obj-$(CONFIG_OF_LIVE) += of_access.o
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obj-$(CONFIG_OF_CONTROL) += ofnode.o
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