Date: Thu, 22 Jan 2009 19:05:18 +0100 From: Bernd Walter <ticso@cicely7.cicely.de> To: Alexander Motin <mav@FreeBSD.org> Cc: freebsd-arm@FreeBSD.org, ticso@cicely.de Subject: Re: Mount root from SD card? Message-ID: <20090122180518.GK50103@cicely7.cicely.de> In-Reply-To: <4978B4A6.8060408@FreeBSD.org> References: <20090121.100533.-1955669401.imp@bsdimp.com> <20090121.101459.2022307528.imp@bsdimp.com> <49776734.8030805@FreeBSD.org> <20090121.122842.-1582190967.imp@bsdimp.com> <20090122105650.GB50103@cicely7.cicely.de> <49787314.3070004@FreeBSD.org> <20090122142015.GC50103@cicely7.cicely.de> <49788702.9010808@FreeBSD.org> <20090122151340.GE50103@cicely7.cicely.de> <4978B4A6.8060408@FreeBSD.org>
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On Thu, Jan 22, 2009 at 08:02:14PM +0200, Alexander Motin wrote: > Bernd Walter wrote: > >As another point: > >Is it possible to support SHDC with mci some day, or is there a special > >hardware requirement for SDHC? > > SDHC (SD High Capacity) has just a different data addressing scheme (in > 512bytes blocks instead of bytes). There is no special hardware > requirements, only minor initialization differences. With present > mmc/mmcsd modules SDHC should work fine on any controller. Good news - thank you for clearification. -- B.Walter <bernd@bwct.de> http://www.bwct.de Modbus/TCP Ethernet I/O Baugruppen, ARM basierte FreeBSD Rechner uvm.
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