Date: Wed, 19 Mar 2014 00:36:44 -0700 From: Adrian Chadd <adrian@freebsd.org> To: Warner Losh <imp@bsdimp.com> Cc: Daan Vreeken <Daan@vitsch.nl>, "freebsd-mips@freebsd.org" <freebsd-mips@freebsd.org> Subject: Re: More hardware up for donation: Routerboard RB912 Message-ID: <CAJ-Vmok93WYEDXm2tWApE4ooEktwO001tUa-d_fq1J%2Bf2CCYxA@mail.gmail.com> In-Reply-To: <6F4412E9-8725-41A7-A3F8-F7622342EFA6@bsdimp.com> References: <201403141335.55299.daan@vitsch.nl> <1394929222-3561428726.082db414ea@bliksem.vehosting.nl> <CAJ-VmondE6xLW7Pi6VFPXaN4-dtfkFaDvcbFf2H=4Ajim94Bdg@mail.gmail.com> <201403171648.02389.Daan@vitsch.nl> <CAJ-Vmom_f-SZzKkxVOpE3_EA87dyA9NxUhJ_GriGWo=gmrJdmw@mail.gmail.com> <6F4412E9-8725-41A7-A3F8-F7622342EFA6@bsdimp.com>
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On 18 March 2014 07:02, Warner Losh <imp@bsdimp.com> wrote: > > On Mar 18, 2014, at 5:45 AM, Adrian Chadd <adrian@FreeBSD.org> wrote: > >> Which board/cpu? >> >> Can you post it? >> >> Check -embedded, I have something up enough to handle READID but the >> ar934x controller does hardware ECC/DMA. It seems less.. friendly to >> how the current nand controller API works. > > Usually by the time you can get READID, the rest just works... I'll have to give it a look... Yeah. I summarised the issues in another post on -embedded. I have to figure out how to shoehorn the whole <command> <address> <data> <command> <submit> <data>stuff into some state tracking in the driver so it can piecemeal a DMA transfer together with all the relevant bits. Blah. :) -a
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