[U-Boot] [PATCH 1/1] mmc: omap: enable high capacity

T Krishnamoorthy, Balaji balajitk at ti.com
Thu Sep 15 16:51:43 CEST 2011


On Wed, Sep 14, 2011 at 7:43 PM, Paulraj, Sandeep <s-paulraj at ti.com> wrote:
>
>
>>
>> On Thu, Aug 25, 2011 at 7:46 AM, Balaji T K <balajitk at ti.com> wrote:
>> > Enable high capacity to host capability.
>> > Fixes eMMC detection on boot from MMC/SD card.
>> >
>> > Signed-off-by: Balaji T K <balajitk at ti.com>
>> > Signed-off-by: Aneesh V <aneesh at ti.com>
>> > ---
>> >  drivers/mmc/omap_hsmmc.c |    3 ++-
>> >  1 files changed, 2 insertions(+), 1 deletions(-)
>> >
>> > diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c
>> > index ef12ecd..6627905 100644
>> > --- a/drivers/mmc/omap_hsmmc.c
>> > +++ b/drivers/mmc/omap_hsmmc.c
>> > @@ -461,7 +461,8 @@ int omap_mmc_init(int dev_index)
>> >                return 1;
>> >        }
>> >        mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195;
>> > -       mmc->host_caps = MMC_MODE_4BIT | MMC_MODE_HS_52MHz |
>> MMC_MODE_HS;
>> > +       mmc->host_caps = MMC_MODE_4BIT | MMC_MODE_HS_52MHz | MMC_MODE_HS
>> |
>> > +                               MMC_MODE_HC;
>> >
>> >        mmc->f_min = 400000;
>> >        mmc->f_max = 52000000;
>> > --
>>
>> I tested a similar patch on a Tegra2 system, so:
>>
>> Acked-by: Simon Glass <sjg at chromium.org>
>>
>
> If it is OK with Andy, I can apply this to u-boot-ti.
>
> --Sandeep
>
Hi Andy,

I tested this on OMAP3 beagle board with 512MB and 4GB card.
mmc read and write is OK.  Can you pull this patch ?

-- 
Thanks and Regards,
Balaji T K


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