Date: Tue, 25 Nov 2008 23:46:56 +0300 From: Stanislav Sedov <stas@FreeBSD.org> To: "M. Warner Losh" <imp@bsdimp.com> Cc: arm@FreeBSD.org Subject: Re: Code review request: boards on AT91 Message-ID: <20081125234656.e1820a12.stas@FreeBSD.org> In-Reply-To: <20081125.130021.1210474290.imp@bsdimp.com> References: <20081125222258.8db7b61e.stas@FreeBSD.org> <20081125.123321.-1435626397.imp@bsdimp.com> <20081125224528.4395ff7e.stas@FreeBSD.org> <20081125.130021.1210474290.imp@bsdimp.com>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Tue, 25 Nov 2008 13:00:21 -0700 (MST) "M. Warner Losh" <imp@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 -----BEGIN PGP SIGNATURE----- iEYEARECAAYFAkksZEAACgkQK/VZk+smlYG6qQCfbl3UpJRGLLtRjeeDQ/jquqqL 1iIAnRmJSqbS54rCLmr8j8/AzRfCfiZF =QIya -----END PGP SIGNATURE-----
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