Date: Tue, 9 Oct 2012 17:50:57 +0800 From: Ganbold Tsagaankhuu <ganbold@gmail.com> To: Giovanni Trematerra <gianni@freebsd.org> Cc: arm@freebsd.org, Tim Kientzle <tim@kientzle.com>, Oleksandr Tymoshenko <gonzo@freebsd.org> Subject: Re: Towards an ARM system-building script Message-ID: <CAGtf9xPNagN0F3ma0PEmUHLL4O36_4O%2B7fR%2BaSTLtGGHpz8pBg@mail.gmail.com> In-Reply-To: <CACfq090bnkZJg_=aRaR-bqTv4z7bXgYmiNFqmL9jJFW3YC0bqA@mail.gmail.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> <CAGtf9xPgFeDHMnKRacYfUg1BKJx0MjfmX=DWOc-X2NoJfPVB9Q@mail.gmail.com> <8C1192B3-EC56-4D9E-824E-774700FB2EE9@kientzle.com> <CAGtf9xO%2Bz8JhCY-TirNwh-R_zW=hY%2BbPh-4x%2Bz3H0TQHu1aXAQ@mail.gmail.com> <CACfq090bnkZJg_=aRaR-bqTv4z7bXgYmiNFqmL9jJFW3YC0bqA@mail.gmail.com>
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On Tue, Oct 9, 2012 at 5:46 PM, Giovanni Trematerra <gianni@freebsd.org> wrote: > On Tue, Oct 9, 2012 at 11:10 AM, Ganbold Tsagaankhuu <ganbold@gmail.com> wrote: >> On Tue, Oct 9, 2012 at 12:42 PM, Tim Kientzle <tim@kientzle.com> wrote: >>> >>> On Oct 8, 2012, at 9:07 PM, Ganbold Tsagaankhuu wrote: >>> >>>> 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 made significant progress and would >>>>> appreciate any feedback: >>>>> >>>>> github.com/kientzle/freebsd-beaglebone >>>>> >>>>> * 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: >>> >>> Wonderful! Thanks for trying it! >>> >>> Please send me any patches you used; I'll try >>> to incorporate them. >>> >>>> 1. PANDABOARD kernel config should be modified to use mmcsd card as root. >>> >>> Would anyone object to adding this line to FreeBSD SVN? >>> >>> # Boot device is 2nd slice on MMC/SD card >>> options ROOTDEVNAME=\"ufs:mmcsd0s2\" >>> >>> >>>> 2. u-boot build complains about the board was configured to support THUMB mode >>> >>> Hmmm… Not sure I understand this. > > This is because we have gcc 4.2 in base. You need at least gcc 4.4 to > cross-compile in THUMB mode. I see, but disabling THUMB works. > I wasn't sure if it's needed to have u-boot.bin compiled in THUMB. > >>> >>>> 3. Maybe there is need some more patches to have correct u-boot.bin, >>>> since it looks for uImage for instance >>> >>> There will certainly need to be some U-Boot patches. >>> >>> Perhaps Oleksandr can point us to the source he >>> used for that u-boot.bin? If so, I can help fill in >>> the options so it can correctly chain ubldr. >>> >>>> 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. >> >> >> Progress, seems like ubldr is working after patching u-boot. >> Here are the patches, uEnv.txt etc: >> http://people.freebsd.org/~ganbold/pandaboard/ > > Are you sure that uEnv.txt is correct. > It seems to me to have an extra " at the end of last row and missing > an empty row at the end of file. It works without any problem that way. Ganbold > > > -- > Giannihelp
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