From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nathan Date: Tue, 10 Mar 2015 08:14:48 -0500 Subject: [U-Boot] "Writing to MMC(%d)... failed" In-Reply-To: <54FEECA5.8000405@samsung.com> References: <54F06E39.6090509@samsung.com> <54FEECA5.8000405@samsung.com> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de 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 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