From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jaehoon Chung <jh80.chung@samsung.com>
Date: Thu, 22 Oct 2015 11:57:18 +0900
Subject: [U-Boot] Bisected "sdhci_transfer_data: Error detected in
 status(0x208002)!" problem on ODROID-X
In-Reply-To: <20151020045703.6a452396@i7>
References: <20151020045703.6a452396@i7>
Message-ID: <5628508E.2080306@samsung.com>
List-Id: <u-boot.lists.denx.de>
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To: u-boot@lists.denx.de

Hi,

On 10/20/2015 10:57 AM, Siarhei Siamashka wrote:
> Hello,
> 
> Currently SD card support seems to be broken at least on the ODROID-X
> board in U-Boot v2015.10. Checking older U-Boot releases shows that
> it used to work in v2014.10, and bisecting points to the commit
> a276172cf32386c211c75638f6bf3c0d59ba03ba ("arm: exynos: fix the
> div value for set_mmc_clk"):
>     http://git.denx.de/?p=u-boot.git;a=commitdiff;h=a276172cf32386c211c75638f6bf3c0d59ba03ba
> 
> Reverting this commit resolves the problem and the SD card starts
> working properly.
> 
> As an extra test, I also tried to add debugging print at the end of the
> exynos4_set_mmc_clk() function, so that it calls exynos4_get_mmc_clk()
> with the original 'dev_index' and reports the resulting mmc clock
> speed. After reverting the patch, the reported value is 50MHz. Before
> reverting it, the reported value was 100MHz. This is a Transcend
> class 6 SDHC card.
> 
> Is this enough information or should I check something else?

I will check this..I needs to get more information.
I want to know div value passed by argument.

Best Regards,
Jaehoon Chung

>