[U-Boot] [PATCH 01/33] mmc: select the available type from host_caps and card_caps

[Simon Glass]

Hi,

On 15 May 2017 at 19:15, Ziyuan <xzy.xu at rock-chips.com> wrote:
> hi Simon & Jaehoon,
>
> On 05/16/2017 08:18 AM, Simon Glass wrote:
>>
>> Hi Ziyuan,
>>
>> On 15 May 2017 at 00:06, Ziyuan Xu <xzy.xu at rock-chips.com> wrote:
>>>
>>> The original implementation select HS timing by default, add available
>>> type selection for higher speed mode compatibility, such as hs200,
>>> hs400, hs400es.
>>>
>>> By the way, we assume that card run at 1.8V or 1.2V I/O when its timing
>>> is ddr52/hs200/hs400(es).
>>>
>>> Signed-off-by: Ziyuan Xu <xzy.xu at rock-chips.com>
>>> ---
>>>
>>>   drivers/mmc/mmc.c | 59
>>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++-
>>>   include/mmc.h     | 16 +++++++++++++++
>>>   2 files changed, 74 insertions(+), 1 deletion(-)
>>>
>> Is there a cover letter for this series, please?
>
>
> This patchset is used for hs200/hs400/ddr52 mode of eMMC device, and fixes
> some bug for dw_mmc & sdhci controller.
> It's only valid in U-Boot stage, we still use 'High Speed' in SPL.
>
> I tested it on evb-rk3288 board(eMMC 4.5) and evb-rk3388 board(eMMC 5.0).
>>
>>
>> I just reviewed an MMC series at add higher speed support. I'm not
>> sure but I suspect these overlap.
>
>
> Ha, I just reviewed Vignesh's patches, it focuses on uhs mode of sd card. It
> looks to me.
> But some details are not the same as mine. Anyway, what do you think?

I think the other series should go in first, so if there are conflicts
can you rebase on top of it?

Regards,
Simon