Code review request: boards on AT91

[Stanislav Sedov]

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On Tue, 25 Nov 2008 13:00:21 -0700 (MST)
"M. Warner Losh" <imp at bsdimp.com> mentioned:
> 
> So long as it is optional.  The KB9202 boards that I have don't have
> room for uboot or redboot.  You have 16kb of space, which boot2 fits
> nicely into right now (clocking in at about 9.5k).
>

Have it got parallel or SPI flash? My board boots u-boot directly
from parallel flash on start.
 
> : > but there's a fair number of different boot loaders today for
> : > FreeBSD/arm.  While it would be nice to mandate all the world use
> : > uboot + /boot/loader, that's not likely going to happen.  There's too
> : > many boards out there that have redboot or some custom boot loader
> : > that will be hard to replace...
> : 
> : In that cases loader(8) could be used.
> 
> Not always.  That's the point that I keep coming back to.  There's no
> easy way to make loader read things from disks, over the network, etc
> in the embedded space.  Right now for some uboot based systems, this
> can be done, but for redboot systems, you are basically out of luck.
> There's no way that loader(8) can load additional sections without a
> lot of board specific code.
> 

I see your point. If there's no room for extending/replacing you
have to live with what the board has:-(

- -- 
Stanislav Sedov
ST4096-RIPE
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