[U-Boot] "Writing to MMC(%d)... failed"

[Nathan]

Sure, I understand from seeing all of the patches you submit. I
thought I'd at least ask in case it was something easy.
I'll continue to look into it. Thanks for submitting those links.

I didn't try any other sdcard since the card does work fine with
Hardkernel's old pre-built binaries.

On Tue, Mar 10, 2015 at 8:07 AM, Przemyslaw Marczak
<p.marczak at samsung.com> wrote:
> Hello Nathan,
> Now, I don't have too much time for this, but the only one you need is the
> documentation and a time to analyze the responds for commands.
>
> Please check this site:
> https://www.sdcard.org/downloads/pls/simplified_specs/index.html
> you can also check some example spec from Jedec:
> http://www.jedec.org/standards-documents/results/jesd84-a441
>
> You will solve this problem with this.
>
> By the way, did you tried another SD-Card?
>
> Best regards,
> --
> Przemyslaw Marczak
> Samsung R&D Institute Poland
> Samsung Electronics
> p.marczak at samsung.com