From owner-freebsd-mobile@FreeBSD.ORG  Thu Nov  6 22:48:17 2008
Return-Path: <owner-freebsd-mobile@FreeBSD.ORG>
Delivered-To: freebsd-mobile@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 8D991106564A;
	Thu,  6 Nov 2008 22:48:17 +0000 (UTC) (envelope-from mav@FreeBSD.org)
Received: from cmail.optima.ua (cmail.optima.ua [195.248.191.121])
	by mx1.freebsd.org (Postfix) with ESMTP id A36758FC0A;
	Thu,  6 Nov 2008 22:48:16 +0000 (UTC) (envelope-from mav@FreeBSD.org)
X-Spam-Flag: SKIP
X-Spam-Yversion: Spamooborona-2.1.0
Received: from [212.86.226.226] (account mav@alkar.net HELO
	mavbook.mavhome.dp.ua)
	by cmail.optima.ua (CommuniGate Pro SMTP 5.2.9)
	with ESMTPSA id 227196779; Fri, 07 Nov 2008 00:48:15 +0200
Message-ID: <4913742E.9040801@FreeBSD.org>
Date: Fri, 07 Nov 2008 00:48:14 +0200
From: Alexander Motin <mav@FreeBSD.org>
User-Agent: Thunderbird 2.0.0.17 (X11/20081029)
MIME-Version: 1.0
To: lars.engels@0x20.net
References: <49130918.5030904@FreeBSD.org>	<20081106163729.clcw2eulgk0k4w0c@0x20.net>	<49131109.2020601@FreeBSD.org>
	<20081106.101047.163264510.imp@bsdimp.com>
In-Reply-To: <20081106.101047.163264510.imp@bsdimp.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Cc: freebsd-arm@freebsd.org, freebsd-current@freebsd.org,
	freebsd-mobile@freebsd.org
Subject: Re: RFC: PCI SD host controller driver & mmc/mmcsd modules
	improvements
X-BeenThere: freebsd-mobile@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Mobile computing with FreeBSD <freebsd-mobile.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-mobile>, 
	<mailto:freebsd-mobile-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-mobile>
List-Post: <mailto:freebsd-mobile@freebsd.org>
List-Help: <mailto:freebsd-mobile-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-mobile>,
	<mailto:freebsd-mobile-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 06 Nov 2008 22:48:17 -0000

M. Warner Losh wrote:
> In message: <49131109.2020601@FreeBSD.org>
>             Alexander Motin <mav@FreeBSD.org> writes:
> : Lars Engels wrote:
> : > 1. How can I tune the PCI configuration? With pciconf -w or so?
> : 
> : Yes. `pciconf -r -b device addr` to read and `pciconf -w -b device addr
> : value` to write.
> 
> I have changes that almost make my TI card do it.
> 
> : > 2. Unfortunately the sysctl did not change a thing with regard to the
> : > Card reader.
> : 
> : Have you added it to the loader.conf and rebooted?
> : 
> : > 3. I added the chip ID and the second device is now recognized as a
> : > sdhci device but still does not see any card inserted:
> : > 
> : > Nov  6 16:32:20 NB0117232 kernel: sdhci1: Hardware doesn't specify base
> : > clock frequency.
> : > Nov  6 16:32:20 NB0117232 kernel: sdhci1: Hardware doesn't specify
> : > timeout clock frequency.
> : > Nov  6 16:32:20 NB0117232 kernel: sdhci1: Hardware doesn't report any
> : > support voltages.
> : 
> : Looks like it is not enough compatible, or even not compatible.
> 
> Chances are good that you need to the workaround to turn on these
> things.


Here is some datasheet I have found for R5C832, but it looks not too 
detailed to say something for sure: 
http://www.aeneas.com.cn/PDF/Ricoh/2005/R5C832E1%5B1%5D.00.pdf

At least it says that it's MMC interface is single-bit, while standard 
SD host controller has 4 bit's bus.

-- 
Alexander Motin