Date: Fri, 18 May 2012 23:38:26 +0300 From: Aleksandr Rybalko <ray@ddteam.net> To: Grzegorz Bernacki <gjb@semihalf.com> Cc: freebsd-geom@freebsd.org Subject: Re: RFC - GEOM Flashmap Message-ID: <20120518233826.7dbce81c.ray@ddteam.net> In-Reply-To: <4FB6802F.8030207@semihalf.com> References: <4FB6802F.8030207@semihalf.com>
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On Fri, 18 May 2012 19:00:31 +0200 Grzegorz Bernacki <gjb@semihalf.com> wrote: > Hi, > > As a part of our NAND Flash Framework project we would like to add a > new geom class which allows to divide NAND Flash chip into partitions. > Nand is divided into partitions based on data in dts file. > > The purpose of having this geom class is to separate part of nand > chip device which might contain some crucial data like u-boot image, > parameters, etc. into separate devices and use the rest of nand to > store user data. > > Patch can be found at: > http://people.freebsd.org/~gber/patches/slicer.patch > it contains geom flashmap code along with changes in FDT area and > changes in DTS file for SheevaPlug. > > Please let me know if you have any comments or objections. > > thanks, > grzesiek > _______________________________________________ > freebsd-geom@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-geom > To unsubscribe, send any mail to > "freebsd-geom-unsubscribe@freebsd.org" Hi Grzegorz, Long time ago I was add to my todo list item to add FDT support to geom_map module. Now you have good replacement. (/me cut off one item from todo) Just one question: it is possible to not assume that parent media is NAND? + if (g_io_getattr("NAND::device", cp, &size, &dev)) + break; WBW -- Aleksandr Rybalko <ray@ddteam.net>
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