soc/ti/am335x: Add MMC/SD driver

Adds a driver for the am335x MMC peripheral. This has only been tested
with SD cards and probably needs some modification to use eMMC or MMC
cards.

It's also currently a little slow as it only supports reading a block at
a time.

Change-Id: I5c2b250782cddca17aa46cc8222b9aebef505fb2
Signed-off-by: Sam Lewis <sam.vr.lewis@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44384
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

0 files changed, 0 insertions, 0 deletions