From: Bill Traynor <wmat@naoi.ca>
To: linux-sh@vger.kernel.org
Subject: Re: MMC slots on MS7724
Date: Tue, 27 Jul 2010 12:49:18 +0000 [thread overview]
Message-ID: <4C4ED5CE.7090501@naoi.ca> (raw)
In-Reply-To: <4C4DFEE4.1040409@naoi.ca>
On 10-07-27 12:50 AM, Magnus Damm wrote:
> On Tue, Jul 27, 2010 at 6:32 AM, Bill Traynor<wmat@naoi.ca> wrote:
>
>> Can someone with an MS7724 ecovec board confirm something for me? When the
>> board is powered on, are the two MMC slot LED power indicators lit? The
>> LEDs are right off the back left corner of the slots. On my board only one
>> LED lights up and only blinks sporadically. I can't get the board to
>> recognize any SD cards at all and I suspect the hardware may be faulty.
>>
> I recognize the case with one LED blinking. For me I think it was
> caused by a mismatch in between the kernel configuration and the dip
> switch settings. If you still have problems then please post your
> kernel configure and I will give it a try.
>
I'm using the latest ecovec24_defconfig in Paul's git tree.
The blinking LED has stopped when DP2[6] is set to ON, and DP2[7] is set
to off. This also enables the top SD slot on the board (CN12).
I've yet to get the bottom slot to show any life. The user manual seems
to indicate (Section 4.4) that slot usage is an OR situation setup with
the DIP switches, that is one can use the MMC interface OR the SD
interface but not both.
"MMC/ MMC plus/ SD card slot of CN12 is a multi slot that can insert MMC
/MMC plus card and SD card. MMC/ MMC plus card or the SD card interface
is selected by setting dip switch DS2-[7:6]."
dmesg does report the following:
sdhci: Secure Digital Host Controller Interface driver
sdhci: Copyright(c) Pierre Ossman
mmc0 at 0xa4ce0000 irq 100
mmc1 at 0xa4cf0000 irq 23
So given that the top slot works now for me, getting the bottom slot to
work isn't critical. But I'll continue to poke at it.
> Cheers,
>
> / magnus
> --
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next prev parent reply other threads:[~2010-07-27 12:49 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-26 21:32 MMC slots on MS7724 Bill Traynor
2010-07-27 0:46 ` Kuninori Morimoto
2010-07-27 4:50 ` Magnus Damm
2010-07-27 12:15 ` Bill Traynor
2010-07-27 12:49 ` Bill Traynor [this message]
2010-07-28 0:28 ` Kuninori Morimoto
2010-07-28 8:51 ` Jeremy Baker
2010-07-28 9:20 ` Magnus Damm
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