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

[Jaehoon Chung]

On 05/25/2017 05:12 PM, Ziyuan wrote:
> hi Jaehoon,
> 
> On 05/16/2017 09:55 AM, Jaehoon Chung wrote:
>> Hi Ziyuan,
>>
>> On 05/16/2017 10:15 AM, Ziyuan 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 didn't review both yet..After checking, i will share my opinion. how about?
> 
> *ping*...
> Did you test this patchset on Samsung platform? As far as I know, Samsung SoCs also make use of dw_mmc and sdhci controllers.

Sorry for late..Sure I will test this..Thanks for kindly ping.

Best Regards,
Jaehoon Chung

> 
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>>>> Regards,
>>>> Simon
>>>>
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