[U-Boot] Help : Marvell SDIO/MMC driver for Sheevaplug

[DrEagle]

Hi all,

> > -----Original Message-----
> > From: u-boot-bounces at lists.denx.de [mailto:u-boot-
> > bounces at lists.denx.de] On Behalf Of DrEagle
> > Sent: 22 September 2012 12:45
> > To: DrEagle
> > Cc: Lior Amsalem; u-boot at lists.denx.de; uboot at doukki.net
> > Subject: [U-Boot] [PATCH v2 0/5] Marvell SDIO/MMC driver for
> > Sheevaplug
> > 
> > 
> > This serie of patch add SDIO/MMC support to Sheevaplug board
> > 
> > Change from v1:
> > - Fix an issue with most SDHC cards because of timeout delay
> > 
> > drEagle (5):
> >   Add Marvell SDIO/MMC driver for Kirkwood SoC
> >   Add SDIO/MMC support for kirkwood SoC
> >   Add SDIO/MMC support for Sheevaplug board
> >   Fix env address for Sheevaplug board
> >   Fix timeout in Marvell SDIO MMC driver
>
> Hi DrEagle
> I still request you to study mvsdhci.c which is similar framework used for Pantheon family of SoCs, 
> try to use this infrastructure is possible for Kirkwood support.
>
> Regards...
> Prafulla . . .

I have started looking at sdhci component but I find only theses small details :

...
  9) mv_sdhci.c
  -------------
  This is a component of the SDHCI support, allowing it to run on Marvell
  Kirkwood chip. It is probable the SDHCI support will have to be modified to
  allow calling functions from this file based on information passed via
  platform_data.
...
  16) sdhci.c
  -----------
  Follows the new API and also has a good encapsulation of the whole driver. The
  conversion here will be simple, though it'd be necessary to modify this driver
  to also support the Kirkwood series and probably also Tegra series of CPUs.
  See the respective parts of this section for details.
...

Can anybody give me more advice on how to port efficiently a patch for SDIO/MMC for SheevaPlug/Kirkwood SoC while using, as Prafulla asked, the *sdhci* framework.

What are the best practices and the technical details which can help me into this ?

Regards,
drEagle

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