[RESEND] Altera socfpga big endian work
Ben Dooks
ben.dooks at codethink.co.uk
Tue Mar 31 08:34:21 PDT 2015
On 31/03/15 15:13, Dinh Nguyen wrote:
> Hi Ben,
>
> On 3/25/15 6:27 AM, Ben Dooks wrote:
>> This series enables the core of the socfpga systen to run in big endian
>> mode. It inclusdes support for debug uart, secondary core boot and has
>> support for timers and initial conversion patches for the mmc.
>>
>> The two drivers that are known to not work are the Ethernet and the
>> dwc2 usb. I do not have data for either, so I currently do not know
>> if it possible to change the hardware's endian fetch mode.
>>
>> The dwc2 driver on my cyclone5 socfpga board with v4.0-rc5 does not
>> work in little endian mode, which makes testing converting the driver
>> difficult. The supplied 3.10 kernel does work so it is not down to the
>> hardware. It detects the presence of a new device and then fails to
>> enumerate it (no other errors shown)
>>
>> This is up on git.baserock.org/delta/linux.git in the branch
>> baserock/bjdooks/socfpga-v5
>>
>> Sorry, this is a resend due to incorrect linux-arm-kernel mailing list
>> address.
>>
>
> I think I can take patches 1-3 through my tree, but the mmc patches
> [4-7] will need to linux-mmc tree.
Thanks. I did CC 4-7 to the relevant maintainers.
Any idea if dwc2 is going to be fixed before 4.1?
--
Ben Dooks http://www.codethink.co.uk/
Senior Engineer Codethink - Providing Genius
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