Turl changed the topic of #linux-sunxi to: Allwinner/sunxi /development discussion - did you try looking at our wiki? https://linux-sunxi.org - Don't ask to ask. Just ask and wait! - https://github.com/linux-sunxi/ - Logs at http://irclog.whitequark.org/linux-sunxi
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<draconian> hellow guys
<draconian> hello*
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<libv> markvandenborre: why banana pi?
<libv> the company behind that is purely parasitic
<libv> the companies, as we now have two
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<markvandenborre> libv: it was not my choice, things were already bought when I stepped in
<markvandenborre> 50 of them...
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<libv> markvandenborre: tell whoever was responsible for that choice that he/she should've known better
<libv> and should've been smart enough to see through the bullshit
<libv> markvandenborre: are you asking about nand or sd card?
<markvandenborre> bpi has no nand?
<NiteHawk> no, it hasn't. in theory you cound connect serial ("nor") flash via SPI0 - but i don't think anyone has experimented much with that
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<libv> markvandenborre: so 50sd cards it is
<libv> dd and a lot of time should do it
<NiteHawk> markvandenborre: what are you actually trying to achieve with that cluster? maybe network boot and using nfs (root) might be an alternative?
<libv> NiteHawk: i think devroom recording
<libv> but...
<libv> the recording code from allwinner is still a binary blob
<libv> so fosdem is actually condoning allwinners nasty and childish behaviour
<libv> apart from supporting the two parasites behind banana pi
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<markvandenborre> libv: not at all (the recording actually happens outside this box)
<markvandenborre> and as far as I can represent FOSDEM, you know my opinion well enough
<markvandenborre> I wouldn't have any gpl violation pass
<markvandenborre> nor any other parasitical behavior, and it's fairly safe to assume noone else on the FOSDEM team would
<libv> markvandenborre: no worries, just tell the person who bought them what a mistake he made :)
<markvandenborre> heh
<libv> 2 good friends of mine did the same thing
<libv> from time to time they still get crap from me
<libv> especially since they should've known that i would know something about it
<libv> but they decided to follow a computer magazine
<markvandenborre> ouch
<libv> markvandenborre: what is fosdem going to use them for?
<libv> wifi?
<libv> actually, with the hw h264 encoders we had this year, why could they not be using for the storage and management of the streams?
<markvandenborre> that is actually what it's planned for
<markvandenborre> libv: http://glasno.st/videobox.svg
<libv> oh, tbh, if they hadn't gone and bought these things, and had communicated their plan beforehand
<libv> olimex might have donated devices
<markvandenborre> libv: again, I wasn't involved directly at that stage
<libv> tsvetan absolutely loves fosdem, and has had a stand these last few years
<libv> markvandenborre: i know, this is nothing against you :)
<markvandenborre> libv: I was actually the person who suggested him to come over some time ago
<markvandenborre> or one of the people; I should say
<libv> markvandenborre: :)
<markvandenborre> http://linux-sunxi.org/Boot seems to suggest that finally, enough info is available to theoretically boot from some external device directly
<markvandenborre> but I doubt that it would be possible to do SATA right away...
<markvandenborre> so I guess SD card with uboot will be or best chance?
<libv> i think boot0 is in a bit of on chip flash which is not writable
<libv> err, the firmware, not boot0
<NiteHawk> markvandenborre: again - you can't, at least not without help from a SPL, which has to reside somwhere on one of the BROM-supported devices
<libv> brom that's the word i was looking for :)
<markvandenborre> NiteHawk: can we do SATA from uboot?
<markvandenborre> (on an SD card)
<NiteHawk> sure. no problem there. that's just not "directly" ;)
<markvandenborre> cool
<markvandenborre> libv: I built this open hardware laser cutting machine
<markvandenborre> and set it up at my Riga office
<NiteHawk> and *if* you need a card-based u-boot (which you're somewhat forced to), then you also have a plethora of other boot options - e.g. TFTP or some 'PXE-like' mechanism
<markvandenborre> one of the thing I want to do with it is cut cases for small runs of embedded devices, so that's how I got involved in the fosdem box
<markvandenborre> fosdem video box
<markvandenborre> NiteHawk: we would want something like that by default anyway I guess
<markvandenborre> 1) "pxe-like" with a very short timeout SATA boot on timeout I guee
<markvandenborre> that would give us an option to flash all devices very very quickly
<markvandenborre> NiteHawk: would that be feasible?
<NiteHawk> yes. i've used TFTP to transfer u-boot environment / commands to bpi myself already, allowing me to select/influence the os being started
<NiteHawk> you might want to stick with u-boot v2015.04 for now - the current migration to device model (in 2015.07 release candidates) still has some rough edges
<markvandenborre> NiteHawk: in what I read from you, I'm not sure the use case I am sketching is feasible:
<markvandenborre> 1) flash some magic stuff (uboot and something more) onto sd
<markvandenborre> on 50 pcs of bpi
<NiteHawk> (= 50 cards)
<markvandenborre> 2) in a controlled environment outside of the fosdem netword
<markvandenborre> setup some tftp or similar server with an image, and have the bpi's SATA disks flashed with that stuff
<markvandenborre> 3) in the FOSDEM conference network, have them boot from SATA SSD
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<NiteHawk> markvandenborre: perfectly viable so far, i think (1 to 3). step 1 would involve dd'ing the 'bootstrap' image to all of the cards
<NiteHawk> i don't think there's "deployment" software readily available for step 2 - that would probably involve some creativity on your side :D
<markvandenborre> I was more thinking about putting uboot parameters on the sd card for a default tftp load and a fallback sata ssd scenario
<markvandenborre> if that is possible, all the rest will be perfectly doable
<markvandenborre> we don't want to rely on anything on the network at FOSDEM itself obviously
<NiteHawk> that's possible. you can check success/failure of the u-boot dhcp command - including various options passed from the dhcp server, e.g. a (tftp) server ip
<NiteHawk> (assuming that it's set/available in the "protected" environment, and absent from the fosdem network)
<markvandenborre> cool
<NiteHawk> you might also try to tftp a "command" file/script, assuming you're outside of the protected env if that fails
<NiteHawk> you should check the u-boot documentation on tftp and/or pxe, and also have a look at http://linux-sunxi.org/How_to_boot_the_A10_or_A20_over_the_network
<markvandenborre> NiteHawk: thx for the suggestion
<NiteHawk> actually it's probably best to keep it rather simple/straighforward. you could try to retrieve a kernel image via TFTP. if that succeeds, continue with the rest of the network-based setup/boot. if not, boot from SATA
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<NiteHawk> libv: where would i suggest/submit a sunxi-tools patch (for the "fel" utility)?
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<libv> NiteHawk: ml :)
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