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Subject: Re: MMC block addressing mode.
To: David Daney <ddaney@caviumnetworks.com>,
        Ulf Hansson <ulf.hansson@linaro.org>,
        Jan Glauber <jan.glauber@caviumnetworks.com>
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Cc: linux-mmc <linux-mmc@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
From: "Steven J. Hill" <Steven.Hill@cavium.com>
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Date: Thu, 20 Apr 2017 16:28:09 -0500
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On 04/20/2017 04:24 PM, Steven J. Hill wrote:
> On 04/20/2017 12:12 PM, David Daney wrote:
>>
>> Steven and Jan:  Can we get around this requirement by:
>>
>> - Always set MIO_EMM_DMA[MULTI] = 1;  This way by SECTOR mode may be unimportant.
>>
>> - Always set MIO_EMM_DMA[SECTOR] = SUITABLE_CONSTANT.
>>
> No, this does not work. The 1.88GB card plugged into my 78xx
> board gives the output below. We cannot just blindly set the
> MULTI bit for all cards. These results are identical for all
> four combinations of SECTOR and MULTI values hardcoded.
> 
...for 3 of the 4 combinations. Obviously the correct one works.