Hi Jagannadha,
> Hi,
>
> I need some help on mmc driver development on u-boot.
>
> Few questions:
> 1. is mmc framework in u-boot supports all type of card interfaces
> like SD, MMC, and eMMC
Yes there is a generic framework for MMC. -> ./drivers/mmc/ {mmc.c}
> 2. If I write a driver do I need to develop
> the common driver for all or a separate drivers for individual cards.
This is a generic framework. Normally you only need to write MMC
controller specific code to use it.
> 3. Is there any drivers in current u-boot drivers/mmc have individual
> card interfaces support (SD & MMC & eMMC)
AS fair as I know there aren't any "special" drivers for any particular
vendor.
> 4. is there any drivers in
> current u-boot driver/mmc for common card intefaces (SD | MMC | eMMC)
Yes, you can refer to mmc.c
One good example is the sdhci.c code which serves for SD cards and eMMC
(at least for Samsung).
>
> Request for help.
>
> Thanks,
> Jagan.
>
>
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--
Best regards,
Lukasz Majewski
Samsung R&D Poland (SRPOL) | Linux Platform Group
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