Date: Thu, 24 May 2012 08:30:16 -0600 From: Warner Losh <imp@bsdimp.com> To: Damjan Marion <dmarion@FreeBSD.org> Cc: arm@FreeBSD.org, Adrian Chadd <adrian@FreeBSD.org>, freebsd-current FreeBSD <freebsd-current@FreeBSD.org> Subject: Re: Customizing ubldr build... Message-ID: <0DE094C8-38CC-4527-98D6-C7E645EA324A@bsdimp.com> In-Reply-To: <8E4F983B-75F7-45DB-A92E-E66C721896E5@FreeBSD.org> References: <E84EA543-11A9-4EA6-9313-6908F485C569@freebsd.org> <CAJ-VmomyYPzqEJ86a6tfKSDeYrBqD21UDjefqyFNZC4yJ-pLWA@mail.gmail.com> <EBC5FF24-B1F5-43CD-AB1C-3BB659E8F5C6@freebsd.org> <B9008F20-E417-48BC-AAAC-8111A39B0A8B@FreeBSD.org> <20120524112546.bdef0c3c.ray@dlink.ua> <8E4F983B-75F7-45DB-A92E-E66C721896E5@FreeBSD.org>
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On May 24, 2012, at 3:40 AM, Damjan Marion wrote: >=20 > On May 24, 2012, at 10:25 AM, Aleksandr Rybalko wrote: >=20 >> On Thu, 24 May 2012 10:16:42 +0200 >> Damjan Marion <dmarion@FreeBSD.org> wrote: >>=20 >>>>=20 >>>> On May 24, 2012, at 6:35 AM, Tim Kientzle wrote: >>>>=20 >>>>> I think the PandaBoard ES is fully supported by U-Boot, >>>>> so it should be possible to use ubldr as part of the boot >>>>> chain for that just like I've been doing with BeagleBone. >>>>=20 >>>> What are the benefits of using ubldr compared to what we are doing >>>> today(load; go)? >>=20 >> Preload modules for example. (if it accessible of course) >=20 > I was looking into this few months ago but I didn't found a value in = doing > this in embedded world where we already have custom kernel for each = SoC/board. >=20 > Maybe we will have GENERIC arm kernel one day, but there is long = road.... I'm working on that, at least for all Atmel kernels. We'll have at = least three kernels though: armv4 little endian, armv4 big endian and = armv6 little endian. Even for atmel, some of the id registers are such = we may need multiple kernels. Warner
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