diff options
Diffstat (limited to 'doc/README.fdt-control')
| -rw-r--r-- | doc/README.fdt-control | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/doc/README.fdt-control b/doc/README.fdt-control index e6d5ed0bb61..29fd56a815f 100644 --- a/doc/README.fdt-control +++ b/doc/README.fdt-control @@ -156,7 +156,10 @@ address of the fdt binary blob, and will override either of the options. Be aware that this environment variable is checked prior to relocation, when only the compiled-in environment is available. Therefore it is not possible to define this variable in the saved SPI/NAND flash -environment, for example (it will be ignored). +environment, for example (it will be ignored). After relocation, this +variable will be set to the address of the newly relocated fdt blob. +It is read-only and cannot be changed. It can optionally be used to +control the boot process of Linux with bootm/bootz commands. To use this, put something like this in your board header file: |