51148790f2
This commit enables Kconfig.
Going forward, we use Kconfig for the board configuration.
mkconfig will never be used. Nor will include/config.mk be generated.
Kconfig must be adjusted for U-Boot because our situation is
a little more complicated than Linux Kernel.
We have to generate multiple boot images (Normal, SPL, TPL)
from one source tree.
Each image needs its own configuration input.
Usage:
Run "make <board>_defconfig" to do the board configuration.
It will create the .config file and additionally spl/.config, tpl/.config
if SPL, TPL is enabled, respectively.
You can use "make config", "make menuconfig" etc. to create
a new .config or modify the existing one.
Use "make spl/config", "make spl/menuconfig" etc. for spl/.config
and do likewise for tpl/.config file.
The generic syntax of configuration targets for SPL, TPL is:
<target_image>/<config_command>
Here, <target_image> is either 'spl' or 'tpl'
<config_command> is 'config', 'menuconfig', 'xconfig', etc.
When the configuration is done, run "make".
(Or "make <board>_defconfig all" will do the configuration and build
in one time.)
For futher information of how Kconfig works in U-Boot,
please read the comment block of scripts/multiconfig.py.
By the way, there is another item worth remarking here:
coexistence of Kconfig and board herder files.
Prior to Kconfig, we used C headers to define a set of configs.
We expect a very long term to migrate from C headers to Kconfig.
Two different infractructure must coexist in the interim.
In our former configuration scheme, include/autoconf.mk was generated
for use in makefiles.
It is still generated under include/, spl/include/, tpl/include/ directory
for the Normal, SPL, TPL image, respectively.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Simon Glass <sjg@chromium.org>
85 lines
802 B
Plaintext
85 lines
802 B
Plaintext
#
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# NOTE! Don't add files that are generated in specific
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# subdirectories here. Add them in the ".gitignore" file
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# in that subdirectory instead.
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#
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# Normal rules
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#
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.*
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*.o
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*.o.*
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*.a
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*.s
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*.su
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*.mod.c
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*.i
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*.lst
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*.order
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*.elf
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*.swp
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*.bin
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*.patch
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*.cfgtmp
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# host programs on Cygwin
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*.exe
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# Build tree
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/build-*
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#
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# Top-level generic files
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#
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/MLO*
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/SPL
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/System.map
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/u-boot*
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#
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# git files that we don't want to ignore even it they are dot-files
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#
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!.gitignore
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!.mailmap
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#
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# Generated files
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#
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/LOG
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/spl/
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/tpl/
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#
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# Generated include files
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#
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/include/config/
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/include/generated/
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# stgit generated dirs
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patches-*
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.stgit-edit.txt
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# quilt's files
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patches
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series
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# gdb files
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.gdb_history
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# cscope files
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cscope.*
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# tags files
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/tags
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/ctags
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/etags
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# gnu global files
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GPATH
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GRTAGS
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GSYMS
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GTAGS
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*.orig
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*~
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\#*#
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