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| author | Simon Glass <sjg@chromium.org> | 2023-07-30 21:01:46 -0600 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2023-08-09 23:31:12 +0800 |
| commit | 63af90e7f0cab3b5197c19744f5e807ebc325c81 (patch) | |
| tree | 2d264d8c4e98d5cb0e93fd4731aedcc67df877ae | |
| parent | 5e541a05f70296dbad07fc1f4e8678ad207bb476 (diff) | |
| download | u-boot-63af90e7f0cab3b5197c19744f5e807ebc325c81.tar.gz u-boot-63af90e7f0cab3b5197c19744f5e807ebc325c81.tar.bz2 u-boot-63af90e7f0cab3b5197c19744f5e807ebc325c81.zip | |
env: Explain how to use #include files in text environment
Provide documentation on how to share common settings among boards.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> # Intel Edison
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
| -rw-r--r-- | doc/usage/environment.rst | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/doc/usage/environment.rst b/doc/usage/environment.rst index 91dc07b17b..c6439dde66 100644 --- a/doc/usage/environment.rst +++ b/doc/usage/environment.rst @@ -81,6 +81,12 @@ Example:: echo CONFIG_SYS_BOARD boot failed - please check your image echo Load address is CONFIG_SYS_LOAD_ADDR +Settings which are common to a group of boards can use #include to bring in +a common file in the `include/env` directory, containing environment +settings. For example:: + + #include <env/ti/mmc.env> + If CONFIG_ENV_SOURCE_FILE is empty and the default filename is not present, then the old-style C environment is used instead. See below. |