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ARM: uniphier: add emmcupdate command

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The Boot ROM expects the boot image (SPL) in the Boot Partition 1.
So, updating images involves the hardware partition switch.  It might
be a bit advanced for some users.

To be user-friendly, this commit adds a useful command to update the
images; just put SPL and U-Boot proper into the public directory of
the TFTP server and execute "run emmcupdate" from the command line.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Masahiro Yamada
2016-02-16 17:08:41 +09:00
parent 569e4be172
commit c231c4367a
2 changed files with 21 additions and 0 deletions
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14
doc/README.uniphier
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@@ -78,6 +78,20 @@ directory, and then run the following command at the U-Boot command line:
=> run nandupdate
Burn U-Boot images to eMMC
--------------------------
Write two files to the Boot partition 1 of the eMMC device as follows:
- spl/u-boot-spl.bin at the offset address 0x00000000
- u-boot.img at the offset address 0x00010000
If a TFTP server is available, the images can be easily updated.
Just copy the u-boot-spl-dtb.bin and u-boot-dtb.img to the TFTP public
directory, and then run the following command at the U-Boot command line:
=> run emmcupdate
UniPhier specific commands
--------------------------