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path: root/tools/dtoc/fdt.py
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2016-09-19dtoc: Support finding the offset of a propertySimon Glass
Add a way to find the byte offset of a property within the device tree. This is only supported with the normal libfdt implementation since fdtget does not provide this information. Signed-off-by: Simon Glass <sjg@chromium.org>
2016-09-19dtoc: Support packing the device treeSimon Glass
After any node/property deletion the device tree can be packed to remove spare space. Add a way to perform this operation. Note that for fdt_fallback, fdtput automatically packs the device tree after deletion, so no action is required here. Signed-off-by: Simon Glass <sjg@chromium.org>
2016-09-19dtoc: Support deleting device tree propertiesSimon Glass
Add support for deleting a device tree property. With the fallback implementation this uses fdtput. With libfdt it uses the API call and updates the offsets afterwards. Signed-off-by: Simon Glass <sjg@chromium.org>
2016-09-19dtoc: Move a few more common functions into fdt.pySimon Glass
Some functions have the same code in the subclasses. Move these into the superclass to avoid duplication. Signed-off-by: Simon Glass <sjg@chromium.org>
2016-09-19dtoc: Move Widen() and GetPhandle() into the base classSimon Glass
These functions are identical in both subclasses. Move them into the base class. Note: In fact there is a bug in one version, which was fixed by this patch: https://patchwork.ozlabs.org/patch/651697/ Signed-off-by: Simon Glass <sjg@chromium.org>
2016-09-19dtoc: Move BytesToValue() and GetEmpty() into PropBaseSimon Glass
These functions are currently in a separate fdt_util file. Since they are only used from PropBase and subclasses, it makes sense for them to be in the PropBase class. Move these functions into fdt.py along with the list of types. Signed-off-by: Simon Glass <sjg@chromium.org>
2016-09-19dtoc: Create a base class for FdtSimon Glass
At present we have two separate implementations of the Fdt library, one which uses fdtget/fdtput and one which uses libfdt (via swig). Before adding more functionality it makes sense to create a base class for these. This will allow common functions to be shared, and make the Fdt API a little clearer. Create a new fdt.py file with the base class, and adjust fdt_normal.py and fdt_fallback.py to use it. Signed-off-by: Simon Glass <sjg@chromium.org>
2016-09-19dtoc: Rename fdt.py to fdt_normal.pySimon Glass
In preparation for creating an Fdt base class, rename this file to indicate it is the normal Fdt implementation. Signed-off-by: Simon Glass <sjg@chromium.org>
2016-07-15dm: Add a more efficient libfdt librarySimon Glass
Add a Python version of the libfdt library which contains enough features to support the dtoc tool. This is only a very bare-bones implementation. It requires the 'swig' to build. Signed-off-by: Simon Glass <sjg@chromium.org>