Hi Steven, Paul,
Le 21/05/2014 23:47, Steven King a écrit :
On Wednesday 21 May 2014 8:46:46 am Yannick GICQUEL wrote:
Hi all,
The MCF5441x support is quite a hot topic today for our company.
This Soc family is seducing some of our customers, especially for it's
long term support from Freescale.
We have worked on this target since past few weeks, using a Tower Kit
hardware and JTag, and just about to prepare a full integration of this
device on recent kernel release.
As a part of the open-source department, we have also planned to deliver
this work to the community and propose some patches to refresh this
target support.
Some informations we observe on this target to be refreshed:
- NAND controller needs to be integrated again,
- UART controller as well,
Also :
- This chip contains a MMU and can be unlink from the !MMU dependency
This is for the big lines, if the community is ok for a patch receipt,
some other feature can be also pushed.
BTW, what about this patches proposal ? Is there some time slot for
patch proposal ?
That interesting. As Paul mentioned the proposed patch would remove the unused code supporting the RTC on the m5441x, however, I do have an updated (v3.15-rc5) version of the RTC driver as well as updated versions of the 1wire driver that I had submiited a couple of years ago, also a much simplier version of the patches to enable the enet-fec that I had posted previously. I've also been looking at getting the eDMA working with an eye on adding support for the dspi.
As it didnt seem there was much interest in the platform I hadn't felt any need to try to get these merged, but if there is actually anyone besides myself interested in the m5441x I'd be a bit more motivated.
We agree these specifics defined are not handled in KConfig anymore and
code cleanup is always a good thing.
RTC support is not a big deal, we are more focusing on the Nand
reintegration and MMU.
FYI, as a part of pre-study and POC activities for industrials
requirements, the code we are working on is today based on initials BSP
from Freescale (ported on 2.6.29 and 2.6.38) with features set hopefully
qualified on them (nand ctrl, dspi, i2c, can, enet-fec, ...).
Regards,
Yannick
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