From mboxrd@z Thu Jan  1 00:00:00 1970
From: Fabio Estevam <festevam@gmail.com>
Date: Tue, 19 Apr 2016 21:45:56 -0300
Subject: [U-Boot] [PATCH] mx6ul_evk: Remove SPL support
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Hi Eric,

On Tue, Apr 19, 2016 at 9:21 PM, Eric Nelson <eric@nelint.com> wrote:

> Do you have details of which cards are failing and how?

The brand that fails is SanDisk 8GB microSD HC I (4).

If I change to a Kingston card, then it boots fine.

> Do they also fail on other platforms?

Yes, they also fail in the other SPL platforms I have access to like
mx6q-sabresd, for example.

They failure pattern is like this:

U-Boot SPL 2016.05-rc1-00110-g0973972-dirty (Apr 19 2016 - 20:36:43)
Trying to boot from MMC1
hdr read sector 8a, count=0
spl: mmc block read error from mmc_load_image_raw_sector
SPL: failed to boot from all boot devices

Inside  mmc_load_image_raw_sector() we have:

    /* read image header to find the image size & load address */
    count = mmc->block_dev.block_read(&mmc->block_dev, sector, 1, header);

and 'coun't always return 0 for these cards.

Thanks