From owner-freebsd-arm@FreeBSD.ORG Sun Sep 28 21:01:01 2008 Return-Path: Delivered-To: freebsd-arm@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B7504106568F; Sun, 28 Sep 2008 21:01:01 +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 B63058FC15; Sun, 28 Sep 2008 21:01:00 +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 5.1.14) with ESMTPSA id 222683818; Mon, 29 Sep 2008 00:01:00 +0300 Message-ID: <48DFFE9A.9070302@FreeBSD.org> Date: Mon, 29 Sep 2008 01:00:58 +0300 From: Alexander Motin User-Agent: Thunderbird 2.0.0.16 (X11/20080726) MIME-Version: 1.0 To: "Carlos A. M. dos Santos" References: <48DEA8E7.2080503@FreeBSD.org> <48DEA4EC.3030300@bluezbox.com> In-Reply-To: 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-arm@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Porting FreeBSD to the StrongARM Processor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 28 Sep 2008 21:01:01 -0000 Carlos A. M. dos Santos wrote: > Here goes a good suggestion: do not forget to load the module, you > dumb ass! Now I got this: > > sdhci0: mem 0xe4103000-0xe41030ff irq 19 at device 6.3 on pci2 > sdhci0: Reserved 0x100 bytes for rid 0x10 type 3 at 0xe4103000 > sdhci0: 1 slot(s) allocated > sdhci0: [MPSAFE] > sdhci0: [ITHREAD] > mmc0: on sdhci0 > mmc0: Reset 0x6 never completed - 0x6. Looks like there is several version of this controller requiring special driver quirks. At least Linux driver includes several. I have implemented some, so you can try to play with them. > Much better. However, I got a system crash and reboot attempting to > unload the module. I have rewritten detach function. PS: Also I have implemented card insert/remove in a way specific for this device via mmc bus attach/detach. Not sure it is the best way for mmc subsystem generally, but it recommended by SD Host controller specification and works for now. -- Alexander Motin