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| author | Masahiro Yamada <yamada.m@jp.panasonic.com> | 2015-02-05 14:30:22 +0900 |
|---|---|---|
| committer | Masahiro Yamada <yamada.m@jp.panasonic.com> | 2015-02-07 00:11:12 +0900 |
| commit | 75bc8e85b5aa44c8f834ec9518c8ca4a7c1d7067 (patch) | |
| tree | 2a7d2fcfc1877d27f53bf9070028474e6df7559a /doc/README.standalone | |
| parent | 0e063dff5c8a555ad92e26edb5c6358a127d5c8f (diff) | |
| download | u-boot-imx-75bc8e85b5aa44c8f834ec9518c8ca4a7c1d7067.zip u-boot-imx-75bc8e85b5aa44c8f834ec9518c8ca4a7c1d7067.tar.gz u-boot-imx-75bc8e85b5aa44c8f834ec9518c8ca4a7c1d7067.tar.bz2 | |
ARM: UniPhier: add environment variable to update images in NAND
To boot UniPhier boards with the NAND boot mode, two images
(u-boot-spl.bin and u-boot-dtb.img) must be written at the correct
offset addresses.
TFTP downloading is useful to update such images in the NAND device.
We generally do:
=> nand erase 0 0x100000
=> tftpboot u-boot-spl.bin
=> nand write $loadaddr 0 0x10000
=> tftpboot u-boot-dtb.img
=> nand write $loadaddr 0x10000 0xf0000
It is a tedious and error-prone operation.
This commit provides the shorthand:
=> run nandupdate
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Diffstat (limited to 'doc/README.standalone')
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