Date: Tue, 9 Mar 2010 00:06:00 +0100 From: Rafal Jaworowski <raj@semihalf.com> To: Stanislav Sedov <stas@FreeBSD.org> Cc: arm@FreeBSD.org, Bernd Walter <ticso@cicely7.cicely.de>, ticso@cicely.de Subject: Re: RM9200 tuning Message-ID: <F1BB4E3F-6094-4FC0-A874-4FCC81FAF9E5@semihalf.com> In-Reply-To: <20100308143850.ea62eec5.stas@FreeBSD.org> References: <20100308202337.GF11192@cicely7.cicely.de> <20100308124638.7de69681.stas@FreeBSD.org> <20100308213257.GI11192@cicely7.cicely.de> <20100308143850.ea62eec5.stas@FreeBSD.org>
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On 2010-03-08, at 23:38, Stanislav Sedov wrote: > On Mon, 8 Mar 2010 22:32:57 +0100 > Bernd Walter <ticso@cicely7.cicely.de> mentioned: >=20 >> Well I still don't use a real loader, just the plain bootcode. >> I would be very happy to switch to loader(8) with FICL, tuneables and >> bootpromt. >> Is it possible to do today? >> I was with Warner using my elfbuild hardware for the first time when = he >> did the first steps on RM9200. >> Therefor I'm probably still using obsolete old quick and dirty hacks. >> If loader(8) can be used now it is the first thing I will change = before >> trying anything else. >=20 > I belive it should be pretty easy to port ubldr(8) to support AT91 as = raj@ made it > working on the Marverll ARM platform. I'm not sure which details = should be > reimplemented, though, but from what I seen it should be quite a = little work > required. The loader(8) support for ARM is independent of any specific board, but = it's currently only integrated with U-Boot as an underlying firmware = (though it should not be difficult to integrate it with other = first-stage bootloaders provided they export some API for elementary = operations on devices). We have actually had it running so far on various Marvell systems (ARMv5 = and v6), TI DaVinci (v5) and EP93xx (also v5), as far as I remember. The = only requirement for running current loader(8) on ARM is that U-Boot is = built with CONFIG_API option. Rafal
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