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path: root/tools/dtoc/dtb_platdata.py
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2018-05-07SPDX: Convert all of our single license tags to Linux Kernel styleTom Rini
When U-Boot started using SPDX tags we were among the early adopters and there weren't a lot of other examples to borrow from. So we picked the area of the file that usually had a full license text and replaced it with an appropriate SPDX-License-Identifier: entry. Since then, the Linux Kernel has adopted SPDX tags and they place it as the very first line in a file (except where shebangs are used, then it's second line) and with slightly different comment styles than us. In part due to community overlap, in part due to better tag visibility and in part for other minor reasons, switch over to that style. This commit changes all instances where we have a single declared license in the tag as both the before and after are identical in tag contents. There's also a few places where I found we did not have a tag and have introduced one. Signed-off-by: Tom Rini <trini@konsulko.com>
2018-03-05libfdt: move headers to <linux/libfdt.h> and <linux/libfdt_env.h>Masahiro Yamada
Thomas reported U-Boot failed to build host tools if libfdt-devel package is installed because tools include libfdt headers from /usr/include/ instead of using internal ones. This commit moves the header code: include/libfdt.h -> include/linux/libfdt.h include/libfdt_env.h -> include/linux/libfdt_env.h and replaces include directives: #include <libfdt.h> -> #include <linux/libfdt.h> #include <libfdt_env.h> -> #include <linux/libfdt_env.h> Reported-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-09-15dtoc: Add a header to the generated filesSimon Glass
Add a header that indicates that the files generated by dtoc should not be modified. Signed-off-by: Simon Glass <sjg@chromium.org> Tested-by: Kever Yang <kever.yang@rock-chips.com>
2017-09-15dtoc: Support properties containing multiple phandle valuesSimon Glass
At present dtoc has a very simplistic view of phandles. It assumes that a property has only a single phandle with a single argument (i.e. two cells per property). This is not true in many cases. Enhance the implementation to scan all phandles in a property and to use the correct number of arguments (which can be 0, 1, 2 or more) when generating the C code. For the struct definitions, use a struct which can hold the maximum number of arguments used by the property. Signed-off-by: Simon Glass <sjg@chromium.org> Tested-by: Kever Yang <kever.yang@rock-chips.com>
2017-09-15dtoc: Put phandle args in an arraySimon Glass
We want to support more than one phandle argument. It makes sense to use an array for this rather than discrete struct members. Adjust the code to support this. Rename the member to 'arg' instead of 'id'. Signed-off-by: Simon Glass <sjg@chromium.org> Tested-by: Kever Yang <kever.yang@rock-chips.com>
2017-09-15dtoc: Put each phandle on a separate lineSimon Glass
When writing values from properties which contain phandles, dtoc currently writes 8 phandles per line. Change this to write one phandle per line. This helps reduce line length, since phandles are generally longer and may have arguments. Signed-off-by: Simon Glass <sjg@chromium.org> Tested-by: Kever Yang <kever.yang@rock-chips.com>
2017-09-15dtoc: Rename the phandle structSimon Glass
Rather than naming the phandle struct according to the number of cells it uses (e.g. struct phandle_2_cell) name it according to the number of arguments it has (e.g. struct phandle_1_arg). This is a more intuitive naming. Signed-off-by: Simon Glass <sjg@chromium.org> Tested-by: Kever Yang <kever.yang@rock-chips.com>
2017-09-15dtoc: Rename is_phandle() and adjust it to return more detailSimon Glass
Update this function to return more detail about a property that contains phandles. This will allow (in a future commit) more accurate handling of these properties. Signed-off-by: Simon Glass <sjg@chromium.org> Tested-by: Kever Yang <kever.yang@rock-chips.com>
2017-09-15dtoc: Make is_phandle() a member functionSimon Glass
This function will need to have access to class members once we enhance it to support multiple phandle values. In preparation for that, move it into the class. Signed-off-by: Simon Glass <sjg@chromium.org> Tested-by: Kever Yang <kever.yang@rock-chips.com>
2017-09-15dtoc: Use the Fdt's class's phandle mapSimon Glass
Now that the Fdt class can map phandles to the associated nodes, use that instead of a separate implementation. Signed-off-by: Simon Glass <sjg@chromium.org> Tested-by: Kever Yang <kever.yang@rock-chips.com>
2017-09-15dtoc: Add support for 32 or 64-bit addressesSimon Glass
When using 32-bit addresses dtoc works correctly. For 64-bit addresses it does not since it ignores the #address-cells and #size-cells properties. Update the tool to use fdt64_t as the element type for reg properties when either the address or size is larger than one cell. Use the correct value so that C code can obtain the information from the device tree easily. Alos create a new type, fdt_val_t, which is defined to either fdt32_t or fdt64_t depending on the word size of the machine. This type corresponds to fdt_addr_t and fdt_size_t. Unfortunately we cannot just use those types since they are defined to phys_addr_t and phys_size_t which use 'unsigned long' in the 32-bit case, rather than 'unsigned int'. Add tests for the four combinations of address and size values (32/32, 64/64, 32/64, 64/32). Also update existing uses for rk3399 and rk3368 which now need to use the new fdt_val_t type. Signed-off-by: Simon Glass <sjg@chromium.org> Suggested-by: Heiko Stuebner <heiko@sntech.de> Reported-by: Kever Yang <kever.yang@rock-chips.com> Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com> Tested-by: Kever Yang <kever.yang@rock-chips.com>
2017-09-15dtoc: Avoid very long lines in outputSimon Glass
Large arrays can result in lines with hundreds or thousands of characters which is not very editor-friendly. To avoid this, addjust the tool to group values 8 per line. Signed-off-by: Simon Glass <sjg@chromium.org> Tested-by: Kever Yang <kever.yang@rock-chips.com>
2017-09-15dtoc: Add a 64-bit type and a way to convert cells into 64 bitsSimon Glass
When dealing with multi-cell values we need a type that can hold this value. Add this and a function to process it from a list of cell values. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com> Tested-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com> Tested-by: Kever Yang <kever.yang@rock-chips.com>
2017-08-20Fix 'notes' typosAnatolij Gustschin
s/notes/nodes Signed-off-by: Anatolij Gustschin <agust@denx.de>
2017-07-11dtoc: Add a comment about string replace in conv_name_to_c()Simon Glass
This function uses several separate string replaces where a regular expression might seem more reasonable. Add a comment justifying the way it is currently done. Signed-off-by: Simon Glass <sjg@chromium.org>
2017-07-11dtoc: Move the main logic into the dtb_platdata fileSimon Glass
Collect the main logic of dtoc into a function and put it into dtb_platdata. This will allow tests to use this function instead of duplicating the code themselves. Signed-off-by: Simon Glass <sjg@chromium.org>
2017-07-11dtoc: Move static functions out of the classSimon Glass
Rather than using static functions within the class, move them out of the class. This will make it slightly easier for tests to call them. Signed-off-by: Simon Glass <sjg@chromium.org>
2017-07-11dtoc: Pass include_disabled explicitlySimon Glass
This option is the only one actually used by the dtb_platdata class. Pass it explicitly to avoid needing to pass the whole option object to the constructor. Signed-off-by: Simon Glass <sjg@chromium.org>
2017-07-11dtoc: Don't handle properties with / in themSimon Glass
This conversion appears to not be needed as it does not occur in practice. Drop it. Signed-off-by: Simon Glass <sjg@chromium.org>
2017-07-11dtoc: Fix pylint warningsSimon Glass
Unfortunately I neglected to run pylint on this tool with its initial submission. Fix the warnings. Signed-off-by: Simon Glass <sjg@chromium.org>
2017-07-11dtoc: Split out the main class into its own fileSimon Glass
To simplify running tests we should move this class into its own file. This allows the tests to import it without having to import dtoc.py, which runs the tests. Signed-off-by: Simon Glass <sjg@chromium.org>