STM32H7 BSP: Add SDMMC-driver (Note: Extends libbsd media01)

[Gedare Bloom]

I'm not confident about assessing the libbsd patches. Hopefully
someone else may comment, but not too many experts in that area yet :)

I guess the one thing that concerned me is filling the media with a
pattern. I suppose one should know what the test does, and that it
will destroy all data on the disk. Maybe that is already
documented/expected, but it should be clear.

On Thu, Mar 25, 2021 at 2:35 AM Christian Mauderer
<christian.mauderer at embedded-brains.de> wrote:
>
> Hello,
>
> the patch set for RTEMS, libbsd and docs add a SDMMC driver for STM32H7
> to libbsd. Note that I added the md5 command to media01 which is useful
> when testing storage devices. Beneath that I added a command that can
> fill a disk or a file with an incrementing number which - again - can be
> useful for testing storage media. The later command is only added to
> media01 because I don't think it's a useful general purpose command but
> rather a pure test command.
>
> Patches belonging to this set:
>
> RTEMS:
> [PATCH rtems 1/2] stm32h7: Add SDMMC modules to clock.
> [PATCH rtems 2/2] stm32h7: Add init for sdmmc pins.
>
> libbsd:
> [PATCH rtems-libbsd 1/3] testsuite/media01: Enable md5 command
> [PATCH rtems-libbsd 2/3] testsuite/media01: Add pattern test.
> [PATCH rtems-libbsd 3/3] STM32H7: Add SDMMC driver
>
> docs:
> [PATCH rtems-docs] user/bsps: Add STM32H7 SDMMC driver
>
> Best regards
>
> Christian
>
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