Date: Tue, 9 Oct 2012 12:07:35 +0800 From: Ganbold Tsagaankhuu <ganbold@gmail.com> To: Tim Kientzle <tim@kientzle.com> Cc: arm@freebsd.org Subject: Re: Towards an ARM system-building script Message-ID: <CAGtf9xPgFeDHMnKRacYfUg1BKJx0MjfmX=DWOc-X2NoJfPVB9Q@mail.gmail.com> In-Reply-To: <5679C679-A434-4714-BE61-4DC093DA7F34@kientzle.com> References: <DD05E72B9F474BFE96B6A4B050D2A18A@gmail.com> <0DCAC001-FF06-431A-A486-2B50BE913B0D@bsdimp.com> <FAA208C1-2872-4BB6-A7EC-04C757533CA4@kientzle.com> <7E18623F-3945-4EA0-B332-5A5C717B20F0@kientzle.com> <9896AA3E-D8A0-4CE8-8160-4672AA07388F@cheney.net> <6B74ADD7-3266-4919-BEB4-B10E0C1BAB58@kientzle.com> <5679C679-A434-4714-BE61-4DC093DA7F34@kientzle.com>
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On Mon, Sep 24, 2012 at 2:55 AM, Tim Kientzle <tim@kientzle.com> wrote: > On Sep 4, 2012, at 9:52 PM, Tim Kientzle wrote: >> On Sep 4, 2012, at 9:33 PM, Dave Cheney wrote: >> >>> Sorry to butt in on this discussion, but how feasible would it be to adapt this build script to the pandaboard. I understand there may be a config in svn similar to the beaglebone which may be applicable. >> >> I've started tinkering with ideas for generalizing my >> BeagleBone script so it can build system images for >> other boards. > > I've made significant progress and would > appreciate any feedback: > > github.com/kientzle/freebsd-beaglebone > > This has been massively refactored so it can > build system images for a variety of > ARM-based boards. Right now: > > * BeagleBone builds and boots cleanly again. ;-) > In particular, I've caught up with some changes to > ubldr in -CURRENT and switched to using the > stable DENX U-Boot sources instead of the > rapidly-evolving (and often broken) TI/Arago sources. > > * PandaBoard: I have a completely untested > sketch. Someone with a PandaBoard will need > to work through the U-Boot configuration to make > this work. I tried your script on PandaBoard ES. Basically it works with some modifications/considerations: 1. PANDABOARD kernel config should be modified to use mmcsd card as root. 2. u-boot build complains about the board was configured to support THUMB mode 3. Maybe there is need some more patches to have correct u-boot.bin, since it looks for uImage for instance 4. I didn't dig into ubldr/u-boot much, instead modified uEnv.txt to load kernel.bin from first partition which is FAT. I tried 8MB of FAT. 5. I used MLO, u-boot.bin from http://people.freebsd.org/~gonzo/pandaboard/ So how does ubldr work? Can it load kernel.bin from second partition in case of PandaBoard? Ganbold > > * RaspberryPi: I have a completely untested > sketch that will need more work before it can > build a bootable image. > > Others? If you're interested in adding support for > other boards, let me know. All the boards above: > * Are ARMv6-based. > * Have a kernel configuration in -CURRENT > * Boot from an MBR-partitioned SD card or USB stick > * Boot using U-Boot and ubldr > > It should be pretty straightforward to add support > for other boards that meet these criteria. The hardest > part is working up the correct U-Boot patches; hopefully > the existing BeagleBone patches will prove helpful > to anyone who wants to work on this. > > Tim > > _______________________________________________ > freebsd-arm@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-arm > To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org"
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