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From: Grant Likely <grant.likely@secretlab.ca>
To: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com>
Cc: linuxppc-dev@ozlabs.org, "David H. Lynch Jr." <dhlii@dlasys.net>
Subject: Re: device trees.
Date: Mon, 11 May 2009 18:04:16 -0600	[thread overview]
Message-ID: <fa686aa40905111704g29d18835w249c89b97d22fc0d@mail.gmail.com> (raw)
In-Reply-To: <20090511231915.007AC1430052@mail201-wa4.bigfish.com>

On Mon, May 11, 2009 at 5:19 PM, Stephen Neuendorffer
<stephen.neuendorffer@xilinx.com> wrote:
>
>> >> =A0 =A0The best alternative to creating the device tree dynamically
> would
>> >> be to
>> >> =A0 =A0append the devicetree to the bitimage in a way the boot loader
> could
>> >> always find it.
>> >>
>> >
>> > That sounds like a good solution to me.
>> >
>> =A0 =A0 I am glad you like it. If Xilinx would like to offer any advice =
as
>> to how to prepend a device tree to the end of a bit file without
>> =A0 =A0 foreclosing any of their future plans or .... I would be happy t=
o
>> look at implementing it.
>
> There are options here...
>
> For the benefit of the mailing list: they are tied into how the FPGA
> configuration is loaded, and the
> particular FPGA family. =A0By far the most portable/generic option is to
> simply use an initialized BRAM for this.
>
> David: If you would like to have a discussion regarding particular
> design tradeoffs, I'd be happy to, but since I doubt there is anyone on
> this list who is interested in the vagaries of FPGA configuration
> methods, I suggest we have the discussion privately.

I disagree.  There are lots of lurkers on this list who care about
virtex stuff, not to mention non-lurkers like me.  :-)  I would at
least like to be a fly on the wall of any such discussion.

g.

--=20
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.

  reply	other threads:[~2009-05-12  0:04 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-08 16:03 device trees David H. Lynch Jr.
2009-05-08 17:15 ` Timur Tabi
2009-05-08 18:43 ` Kumar Gala
2009-05-09 20:51 ` Grant Likely
2009-05-11  2:00   ` Michael Ellerman
2009-05-11  4:08     ` Grant Likely
2009-05-11  6:32       ` David H. Lynch Jr.
2009-05-11 13:51         ` Grant Likely
2009-05-11 15:52           ` Stephen Neuendorffer
2009-05-11 16:58             ` David H. Lynch Jr.
     [not found]               ` <20090511183638.F07C01438054@mail184-wa4.bigfish.com>
     [not found]                 ` <4A08C599.2030100@dlasys.net>
     [not found]                   ` <20090512005554.EEE1019D009B@mail129-dub.bigfish.com>
2009-05-12  2:34                     ` David H. Lynch Jr.
2009-05-12  4:27                       ` Stephen Neuendorffer
2009-05-12  5:30                         ` Grant Likely
2009-05-13  0:10                           ` Stephen Neuendorffer
2009-05-13  2:36                             ` David Gibson
2009-05-13  4:03                               ` Grant Likely
2009-05-13  6:11                               ` David H. Lynch Jr.
2009-05-13  6:21                                 ` David Gibson
2009-05-13 18:11                                   ` David H. Lynch Jr.
2009-05-14  3:08                                     ` David Gibson
2009-05-14 12:51                                       ` David H. Lynch Jr.
2009-05-13  6:58                                 ` Stephen Neuendorffer
2009-05-11 16:45           ` David H. Lynch Jr.
2009-05-11 17:47             ` Grant Likely
2009-05-11 21:38               ` David H. Lynch Jr.
2009-05-11 22:29                 ` Benjamin Herrenschmidt
2009-05-11 22:56                 ` David Gibson
2009-05-12  2:37                   ` Michael Ellerman
2009-05-11 23:09                 ` Grant Likely
2009-05-12  1:12                   ` David Gibson
2009-05-12  5:22                     ` Grant Likely
2009-05-12 23:24                       ` David Gibson
2009-05-13  0:01                         ` Grant Likely
2009-05-13  0:13                         ` David H. Lynch Jr.
2009-05-13  1:15                           ` Grant Likely
2009-05-13  2:32                           ` David Gibson
2009-05-11 23:19                 ` Stephen Neuendorffer
2009-05-12  0:04                   ` Grant Likely [this message]
2009-05-12  7:38                     ` Wolfram Sang
2009-05-11 14:58         ` Timur Tabi
2009-05-11 16:54           ` David H. Lynch Jr.
2009-05-11 23:27             ` David Gibson
2009-05-11 22:25       ` Benjamin Herrenschmidt
     [not found] <20110703222042.19386c7wy7zfn4g8@webmail.huji.ac.il>
     [not found] ` <20110703222042.19386c7wy7zfn4g8-2RFepEojUI0+8gVPFGsyePqBs+8SCbDb@public.gmane.org>
2011-07-03 21:01   ` Device Trees Grant Likely

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