From: "Steven J. Hill" <Steven.Hill@cavium.com>
To: David Daney <ddaney@caviumnetworks.com>,
Ulf Hansson <ulf.hansson@linaro.org>,
Jan Glauber <jan.glauber@caviumnetworks.com>
Cc: linux-mmc <linux-mmc@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: MMC block addressing mode.
Date: Thu, 20 Apr 2017 16:28:09 -0500 [thread overview]
Message-ID: <fdc1864b-9d5a-25ad-5d15-dc094f1c0886@cavium.com> (raw)
In-Reply-To: <ebc19d7d-c6a2-0886-a17a-e1b4d82f957e@cavium.com>
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.
next prev parent reply other threads:[~2017-04-20 21:28 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-13 19:49 Steven J. Hill
2017-04-20 14:18 ` Ulf Hansson
2017-04-20 16:17 ` Steven J. Hill
2017-04-20 17:12 ` David Daney
2017-04-20 21:24 ` Steven J. Hill
2017-04-20 21:28 ` Steven J. Hill [this message]
2017-04-21 8:23 ` Ulf Hansson
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