Takeyoshi,

I pushed some more files to the SDMMC branch— changing the IMXRT_HSDC to
SAMA5_SDMMC throughout. It probably doesn't compile. I'll work on the
registers and other problems tomorrow.

-adam

On Sat, Mar 7, 2020 at 6:19 PM Adam Feuer <a...@starcat.io> wrote:

> Cool. I'll see if I can work on the imxrt file then, in the branch I
> linked to above.
>
> cheers
> adam
>
> On Sat, Mar 7, 2020 at 6:15 PM Takeyoshi Kikuchi <kiku...@centurysys.co.jp>
> wrote:
>
>> Adam,
>>
>> Since standards are determined by SD assotication, I think that the
>> number of implementations according to the specifications has increased
>> recently.
>>
>> https://www.sdcard.org/downloads/pls/index.html
>>
>> Because it includes DMA, I found it by greping the register.
>>
>> Since the implementation of imxrt supports 2 slots, I think that it is
>> easier to port it considering the structure of the driver.
>>
>> Takeyoshi Kikuchi
>>
>>
>> On 2020/03/08 10:52, Adam Feuer wrote:
>> > They do look like the same register sets. Thanks for the pointer to
>> them.
>> > By the way, how did you find them...? :)
>> >
>> > I have to look at both files more closely... the Sony one is about 1400
>> > lines longer, so they seem somewhat different from each other. Have you
>> > looked at these files at all? If so which one do you think is a better
>> > starting point...?
>> >
>> > cheers
>> > adam
>> >
>> > On Sat, Mar 7, 2020 at 3:28 PM Adam Feuer <a...@starcat.io> wrote:
>> >
>> >> Thanks. I was on my phone last night and couldn't find the right
>> files...
>> >> I'll check out the ones you mentioned.
>> >>
>> >> cheers
>> >> adam
>> >>
>> >> On Fri, Mar 6, 2020 at 10:33 PM Takeyoshi Kikuchi <
>> >> kiku...@centurysys.co.jp> wrote:
>> >>
>> >>> No,
>> >>>
>> >>> In addition to the board-specific parts you implemented, we need to
>> port
>> >>> the code of nuttx/arch/arm/src/cxd56xx/cxd56_sdhci.c or
>> >>> nuttx/arch/arm/src/imxrt/imxrt_usdhc.c to sama5d2.
>> >>>
>> >>>
>> >>>
>> >>> On 2020/03/07 15:15, Adam Feuer wrote:
>> >>>> This one?
>> >>>>
>> >>>>
>> >>>
>> https://github.com/apache/incubator-nuttx/blob/master/boards/arm/cxd56xx/spresense/src/cxd56_sdcard.c
>> >>>>
>> >>>> On Fri, Mar 6, 2020 at 21:42 Adam Feuer <a...@starcat.io
>> >>>> <mailto:a...@starcat.io>> wrote:
>> >>>>
>> >>>>      Do those have NuttX implementations? If so will you point me at
>> >>> them?
>> >>>>
>> >>>>      -adam
>> >>>>
>> >>>>      On Fri, Mar 6, 2020 at 21:40 Takeyoshi Kikuchi
>> >>>>      <kiku...@centurysys.co.jp <mailto:kiku...@centurysys.co.jp>>
>> wrote:
>> >>>>
>> >>>>          Adam,
>> >>>>
>> >>>>          Since the SDMMC controller of the SAMA5D2 series is
>> compatible
>> >>>>          with the
>> >>>>          standard register set, I think it is better to port the
>> >>>>          implementation
>> >>>>          of SONY CXD56xx or NXP i.MXRT.
>> >>>>
>> >>>>          Takeyoshi Kikuchi
>> >>>>
>> >>>>          On 2020/03/07 9:29, Adam Feuer wrote:
>> >>>>           > Takeyoshi,
>> >>>>           >
>> >>>>           > I started a branch for SAMA5D27 SDMMC support, it's here:
>> >>>>           >
>> >>>>           >
>> >>>>
>> >>>
>> https://github.com/starcat-io/incubator-nuttx/tree/feature/sama5d27-sdmmc-support
>> >>>>           >
>> >>>>           > I just started it, so not much progress, but I'll let you
>> >>>>          know if I get
>> >>>>           > any further.
>> >>>>           >
>> >>>>           > -adam
>> >>>>           > --
>> >>>>           > Adam Feuer <a...@starcat.io <mailto:a...@starcat.io>
>> >>>>          <mailto:a...@starcat.io <mailto:a...@starcat.io>>>
>> >>>>
>> >>>>          --
>> >>>>          ---------------------------------
>> >>>>          Takeyoshi Kikuchi
>> >>>>          kiku...@centurysys.co.jp <mailto:kiku...@centurysys.co.jp>
>> >>>>
>> >>>>      --
>> >>>>      Adam Feuer <a...@starcat.io <mailto:a...@starcat.io>>
>> >>>>
>> >>>> --
>> >>>> Adam Feuer <a...@starcat.io <mailto:a...@starcat.io>>
>> >>>
>> >>> --
>> >>> ---------------------------------
>> >>> センチュリー・システムズ株式会社
>> >>> ソフトウェア開発第四部
>> >>> 菊地 武義
>> >>> kiku...@centurysys.co.jp
>> >>>
>> >>
>> >>
>> >> --
>> >> Adam Feuer <a...@starcat.io>
>> >>
>> >
>> >
>>
>> --
>> ---------------------------------
>> Takeyoshi Kikuchi
>> kiku...@centurysys.co.jp
>>
>
>
> --
> Adam Feuer <a...@starcat.io>
>


-- 
Adam Feuer <a...@starcat.io>

Reply via email to