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| author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2016-02-02 21:11:31 +0900 |
|---|---|---|
| committer | Masahiro Yamada <yamada.masahiro@socionext.com> | 2016-02-14 16:36:13 +0900 |
| commit | fec4816387a978e651da74c83bcdd5019a6d024c (patch) | |
| tree | 0f35c45af79851593de6e3ba1236b8ac84190f49 /drivers | |
| parent | a89be270e7eb42fca6c77bb25bd77971569f31ee (diff) | |
| download | u-boot-imx-fec4816387a978e651da74c83bcdd5019a6d024c.zip u-boot-imx-fec4816387a978e651da74c83bcdd5019a6d024c.tar.gz u-boot-imx-fec4816387a978e651da74c83bcdd5019a6d024c.tar.bz2 | |
ARM: uniphier: support USB boot mode for ProXstream2 / PH1-LD6b SoC
The USB boot code is too fat and complicated to be included in SPL
(at least for now). So, it was implemented as a separate project
(what we call USB-loader).
The expected boot sequence is as follows:
Boot ROM -> USB-loader -> SPL -> U-Boot proper
The USB-loader loads the SPL and U-Boot proper from a USB memory
onto the locked L2 cache. Then, SPL needs to copy the U-Boot proper
to DRAM, so this mode looks like a NOR boot from the view of SPL.
However, we want to distinguish between (genuine) NOR boot and USB
boot in some places.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'drivers')
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