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Diffstat (limited to 'doc/README.fdt-control')
| -rw-r--r-- | doc/README.fdt-control | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/doc/README.fdt-control b/doc/README.fdt-control index 3f8bb5a..85bda03 100644 --- a/doc/README.fdt-control +++ b/doc/README.fdt-control @@ -144,6 +144,18 @@ and then flash image.bin onto your board. You cannot use both of these options at the same time. +If you wish to put the fdt at a different address in memory, you can +define the "fdtcontroladdr" environment variable. This is the hex +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). + +To use this, put something like this in your board header file: + +#define CONFIG_EXTRA_ENV_SETTINGS "fdtcontroladdr=10000\0" + Limitations ----------- |