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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<oliv3r> leviathancn: hey david, have you seen the uproaral over cedarX? I saw a post from you that you said this was just an intermediate step, but what does that mean? They know they are violating shit and they will keep doing it and obfuscating it until they 'split' the package in half? sounds really fishy imo. ontop of that, i dont' even wanna go wat that means legally. Finally, it's quite likly that there is gpl violating code inside the SoC ..
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<leviathancn> oliv3r: yes. I haven't only noticed this uproral, I'm quiet heavily involved right now... since It's not a good idea to say anything at this point of time (since it might make the fire burst up even worse) I just say that much.
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<oliv3r> leviathancn: okay, good, but you are aware about the actual situation and not just what AW is feeding you? :)
<oliv3r> leviathancn: e.g. that there may be a chance this is just some engineers PoV unrelated to your contacts etc? well keep us posted anyhow :)
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<rua_> Hello all , this doesn't seem up to date:
<plaes> you can help by fixing it
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<rua_> yeap, plaes do you know if the nand and dram violations are still valid (both kernel and uboot) ?
<rua_> if not - should this be replaced with a text saying that they have been cleaned up ?
<plaes> this is wiki, so you can fix it yourself
<plaes> and verifying whether certain issues have been fixed, takes time...
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<plaes> besides, the old sdks still violate GPL
<plaes> releasing new SDK with new code doesn't magically absolve previous issues
<plaes> it would be nicer if Allwinner played along and kept the information up-to-date themselves..
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<rua_> thank you explaining this to me.
<plaes> so far they have released some code for u-boot
<plaes> so u-boot section should be somewhat ok
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<plaes> and as I already said, this is wiki, so you can improve that page yourself
<rua_> yeah I know.
<rua_> but I don't want to put wrong information there
<plaes> you can ask :)
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<rua_> that's what I did.
<rua_> the situation with the old sdks is interesting.
<plaes> mhm
<rua_> there is no way they be unreleased i.e turn back the time.
<plaes> it seems that Allwinner hasn't realized it so far :(
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<rua_> Thanks. I only wanted to help. Maybe be someone more expert will have a word later. Have a good day all.
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<NiteHawk> mainline u-boot (2015.04-rc4) has no support for status leds?
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<markvandenborre> hi! I'm looking for an el cheapo arm board with >=100Mbit wired ethernet, 2Gb ram, somewhat decent cpu and gpu and as close to mainline kernel support as possible
<markvandenborre> to use as a light desktop in a budget restricted public school
<markvandenborre> any hints?
<markvandenborre> forgot to mention >=8Gb eMMC
<lukas2511> i think with 2GB as requirement the choices are a bit limited
<lukas2511> only board i know of is cubietruck
<markvandenborre> lukas2511: less might make the thing swap a lot I guess...
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<markvandenborre> maybe it's just a few months too early to do anything like this
<lukas2511> maybe really take a look at cubietruck
<markvandenborre> I had relatively good experience with the non-allwinner rk3188 based radxa stuff, but I was hoping for something even more budget friendly
<markvandenborre> is any support in the works for the allwinner H3?
<WarheadsSE> I guess it depends on what "cheap" is
<markvandenborre> WarheadsSE: dirt, dirt cheap
<lukas2511> uhm
<WarheadsSE> Define dirt cheap
<WarheadsSE> Because I had dirt I can sell you
<markvandenborre> 20 pcs < 10000€, so <50€/pc
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<markvandenborre> err, 20 pcs < 1000€
<WarheadsSE> yeah, sub 50 euro prior to VAT is doable.
<WarheadsSE> I can't help with VAT though, since thats all over the place,
<lukas2511> the 2GB requirement looks like a problem
<WarheadsSE> Yeah
<tyler-baker> markvandenborre, how about a jetson tk1?
<WarheadsSE> not for sale anymore.
<WarheadsSE> And it wasn't that cheap.
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<lukas2511> with 1GB i'd suggest something like olinuxino-lime-a20 or cubieboard 2
<markvandenborre> I have an olinuxino a20, but it's really a bit problematic still...
<markvandenborre> (in terms of performance, because of the limited mem)
<lukas2511> yea, uh
<WarheadsSE> what re you trying to do that is pshing the memory that hard?
<lukas2511> maybe just buy a bunch of atom boards? :D
<markvandenborre> WarheadsSE: basic desktop use
<markvandenborre> browser, music notation program, basic video player
<markvandenborre> none of these at the same time, but still
<lukas2511> browsers are problematic, if you want to use firefox or chromium 1GB could really be a pain
<markvandenborre> exactly
<lukas2511> but if you decide to use something like epiphany it should work
<WarheadsSE> True, and neither have a cedar renderer
<WarheadsSE> that's a large source of pain, really.
<WarheadsSE> And the Mali has no 2d.
<lukas2511> also on that budget i'd personally go for a thin-client solution
<markvandenborre> ah, I thought that was slowly getting reverse engineered
<WarheadsSE> cedar?
<WarheadsSE> or mali?
<WarheadsSE> Either way, neither one has the bindings to it
<markvandenborre> lukas2511: I've built that kind of setups, but I can't afford the time for support on that
<WarheadsSE> and the Mali on the Allwinners literally doesn't have 2D logic out of the box.
<markvandenborre> while I _can_ just configure a bunch of spares
<markvandenborre> and have them do basic things just fine
<markvandenborre> lukas2511: I ran an ltsp setup for 8 years as a volunteer for a local primary school
<lukas2511> up to the point where you want to install another piece of software and have to update 20+ boards :P
<markvandenborre> software requirements are fairly static
<markvandenborre> there is only one main reason in terms of software not to use android, and that's the music notation software
<markvandenborre> apart from the obvious advantage of free software over black box android stuff of course
<lukas2511> mhkay. yea i ran an ltsp setup too, setting it up and optimizing it for stupidly slow via clients with 32MB of memory really was a pain, but after the initial configuration the setup is now running for years without problems, also ~20 clients on one not even that fast server (phenom quad ~3ghz, 12gb mem), only problem was a piece of java software that starts flickering if there are too many instances of it
<lukas2511> for the budget this would probably be an easier solution
<markvandenborre> thx for the suggestion, but as I said, I can't give support
<markvandenborre> I'm really too busy on the other side of Europe, often without an internet connection
* markvandenborre lives in .be 75% of the time, and .lv the other 25%
<markvandenborre> that's a few hours flying...
<markvandenborre> and I _do_ have some remote hands that are sufficiently intelligent to replace "broken" boxes
<markvandenborre> but not to troubleshoot pulseaudio stuff/networking issues/...
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<Turl> markvandenborre: I was going to suggest x86 but those go ~3x your budget
<markvandenborre> Turl: thx for the hint anyway
<markvandenborre> I think I should wait until stuff like orange pi plus gets linux support
<markvandenborre> (allwinner H3)
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<Turl> markvandenborre: that thing only has 1GB though
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<markvandenborre> ouch, indeed
<markvandenborre> that, or other H3 boxes
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<markvandenborre> should probably give some decent CPU and there will always be some set top boxes that do 2Gb...
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<Turl> markvandenborre: maybe an odroid if you need something now
<markvandenborre> Turl: but apart from this specific device, do you happen to know about H3 support?
* markvandenborre is looking
<Turl> and I don't know how's the video situation (ssvb may know)
<Turl> markvandenborre: I don't think anyone here has seen an H3 in real life
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<markvandenborre> I see
<markvandenborre> hm, odroid is nice, but would need an emmc module as extra cost anyway...
<markvandenborre> I'm trying to be too cheap it seems :p
<markvandenborre> Turl: thx for the hints in any case!
<ssvb> markvandenborre: what kind of desktop software/distribution are you running on your olinuxino a20?
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<ssvb> markvandenborre: is it http://linux-sunxi.org/A20-olinuxino-micro or something else? (I mostly wonder if it has a 32-bit or a 16-bit memory bus)
<ssvb> markvandenborre: linux desktop should not be too slow on this hardware, unless it is misconfigured
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<ssvb> Turl: looks like markvandenborre is not interested in the video situation :-)
<Turl> ssvb: didn't he say "basic video player"?
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<Turl> if basic means 480p then maybe yeah :)
<markvandenborre> doesn't have to be full screen really
<markvandenborre> or 720 or 1080 or anything
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<ssvb> markvandenborre: what does it have to support?
<markvandenborre> youtube running in a browser
<markvandenborre> reading through https://wiki.debian.org/InstallingDebianOn/Allwinner again
<ssvb> html5 or flash?
<markvandenborre> html5 obviously
<ssvb> try firefox
<ssvb> it worked fine the last time I checked
<markvandenborre> cool, thx for the hints
<ssvb> fullscreen is somewhat problematic, but firefox still uses neon optimized scaling for this and it is not completely bad
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<plaes> simosx: nice, how did you find that?
<plaes> Turl: I found datasheet for goodix-801
<Turl> plaes: I saw you uploaded it
<plaes> Olliver helped :)
<Turl> plaes: it'd have been nice to have before it worked :P
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<plaes> it doesn't say much about GT801-x2 :(
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<NckSrv> does sunxi make mips socs
<ssvb> Turl, simosx: yes, basically it just shows that Allwinner does not care about backward/forward compatibility at all
<simosx> ssvb, I noticed that there was a reference in an issue in your repo, so I assumed you may have noticed it.
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<ssvb> simosx: which one?
<simosx> ssvb, I think they did not "fork" it in github, thus it does not appear in the list of forks for your repo. So, you need to search in github.com to find it.
<NckSrv> so no MIPS
<simosx> ssvb, let's me check
<ssvb> Rockchip also has a similar problem - https://github.com/lgeek/xf86-video-fbturbo
<NckSrv> MIPS != allwinner
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<simosx> ssvb, I can't seem to find the reference.
<NiteHawk> NckSrv: http://linux-sunxi.org/Main_Page - Q:"What is sunxi?" A:"sunxi represents the family of ARM SoCs from Allwinner Technology". If you're looking for MIPS, you've come to the wrong place
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<NckSrv> NiteHawk, oooo
<NckSrv> NiteHawk, why not MIPS?
<ssvb> it's not very nice when when every other kernel release breaks binary compatibility for the userland
<simosx> ssvb, the repo at https://github.com/hechuanlong/xf86-video-fbturbo was mentioned in the Cubieboard docs for the Cubieboard8.
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<ssvb> simosx: in fact, rz2k pointed me to this a80 fork in a private e-mail :-)
<rz2k> :p
<rz2k> so was it useful? have no time to diff
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<rz2k> also had cubieboard8 for couple days only
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<ssvb> rz2k: it is not very useful as-is, most of the changes are only required because the kernel interface has changed
<ssvb> it also implements g2d scaling for video, which probably suffers from tearing and has bad performance, but should be compatible with a composited desktop
<ssvb> basically, they are solving https://github.com/ssvb/xf86-video-fbturbo/issues/17
<rz2k> interesting. does it work with 3d? (pvr's libgles)
<simosx> ssvb, here is were I got it from: http://dl.cubieboard.org/model/cc-a80/Source/linux/commom/
<simosx> ssvb, so, what should have been done is to click the "fork" button on your repository so that the two would be linked together.
<ssvb> rz2k: their pvr blob has some symbols, which indicate that they borrowed code from xf86-video-fbturbo
<rz2k> interesting
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<simosx> ssvb, what can be done now to rectify? Perhaps remove https://github.com/hechuanlong/xf86-video-fbturbo then fork properly, and finally reapply their patches?
<rz2k> who gave them permission to modify IMGtecs crap and redistribute it without license
<ssvb> the IMGtecs crap is available as the source code to the device manufacturers, so they adapt and fix some problems in it
<simosx> rz2k, that post on cubieforums.com looks like the proper announcement link.
<ssvb> rz2k: that's in fact the reason why the SGX DDK got leaked :-)
<rz2k> lol
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<rz2k> now LGE needs to leak rouge DDK
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<rz2k> simosx: you might try to talk to those cubietech guys, but they only have commercial affiliation with allwinner
<ssvb> simosx: there is nothing to rectify, except that the MIT X11 license requires to include the original copyright notice when distributing stuff, which incorporates the MIT X11 code
<rz2k> example: previously when Tom and Benn were working at cubietech, they've sent out early samples to linux-sunxi devs
<rz2k> since Tom left to Radxa (dunno about Benn), they forgout about this tradition
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<ssvb> simosx: as long as their xf86-video-fbturbo fork is available as open source code, it is fine for me :-)
<ssvb> simosx: and it would be nice to have a license notice for the pvr blob
<simosx> ssvb, the fork was done to add support for the A80. And in the comments, there is reference for A83 and H8.
<rz2k> ssvb: I'm a bit shaky about this, because they don't version their stuff and users can end with various pvr blobs intended to be used with different xorg driver version
<simosx> ssvb, it would be nice to be able to push anything useful to your repo.
<rz2k> someone has to get that things together
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<ssvb> simosx: I don't really care, we are moving to using a kms driver in the kernel either way :-)
<rz2k> wheeeeeeeeeeeeeeeeeeeeeeeeeen
<ssvb> that's a good question :-)
<rz2k> yep
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<ssvb> simosx: they are free to maintain their own fork for a80, h8 and a83
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<simosx> ssvb, certainly they are free to do so, but it would be more beneficial for everyone if it would work out with a main repo.
<simosx> ssvb, regarding the MIT X11 license, is that missing from their repo? or from dl.cubieboard.org?
<ssvb> simosx: the repo is distributed as the source code, so it is fine
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<gompa> so i have been messing around with the allwinner a20 on the banana pi and according to the datasheet the absolute max voltage for the cpu is : 1.4v but in the voltage table form the official image the voltage goes up to : 1.45 v
<gompa> should i be worried ?
<ssvb> simosx: the A80_ubuntu_DDX_20150309.tar.gz tarball with the pvr blob could include the license/copyright notice
<ssvb> gompa: maybe yes, or maybe not
<ssvb> it's kind of overclocked out of the box
<NiteHawk> gompa: interesting question. i'm also somewhat puzzled by cpufreq output. it lists a frequency range of 144 to 1008 mhz, but at the same time seems config-restricted: "sunxi_cpufreq_initcall, get cpu frequency from sysconfig, max freq: 912MHz, min freq: 720MHz"
<NiteHawk> (and the voltage corresponding to 912 mhz is 1.4v, so i'd assume that's on the safe side)
<NiteHawk> sorry, actually it's 1.425v
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<gompa> NiteHawk, so to high too, even more puzeling i get the frequency range of : 30mhz to 1.49 ghz. but the voltage table ranges from :voltage = 1050mv frequency = 144MHz to : voltage = 1450mv frequency = 1008MHz
<gompa> btw the locked frequency is done in rc.local ( its sets a soft limit)
<NiteHawk> gompa: the latter seems to be what i'm seeing too (dmesg output, currently on lemaker kernel linux-3.4.103)
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<gompa> btw i did some testing my board and its not stable below 144mhz (but it wouldn't really help in power usage anyway considering the vid table stops there anyway )
<ssvb> gompa: are you testing it with http://linux-sunxi.org/Hardware_Reliability_Tests#Reliability_of_cpufreq_voltage.2Ffrequency_settings ?
<gompa> no just kernel panic with normal usage , so it could be that something goes wrong while stepping up or down ( i didnt lock the frequency @ low i just enabled )
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<wens> mripard_'s talk is packed!!
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<Skylark> *whew* my brand new A20 board just booted to FEL on first power on
<plaes> wens: talk?
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<wens> Skylark: no nand/mmc?
<Turl> wens: stream? :o
<wens> not sure if there is one
<wens> probably not
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<Skylark> wens: there's NAND, but i haven't written anything to it yet :-) no MMC though - too big
<Skylark> the whole NAND + DDR3 + A20 + power supplies fits in 22x50mm
<wens> yeah, then it falls back to FEL
<Skylark> yup - what it means to me is that i didn't screw up the power supplies :D
<Turl> too big? o.O
<wens> really nice feature, you can always recover from bad nand/mmc
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<Skylark> Turl: to fit microSD i would have to use buried vias for the DDR3 - the NAND is under the DDR3 using the wide pin lines of TSOP48
<Turl> but physically nand is bigger than a uSD, isn't it?
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<Skylark> yup - just the socket pinout would put the solder pads in the middle of DDR3 vias
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<Skylark> TSOP48 nand has tiny pads on the two short sides, so it kind of straddles the whole DDR3 area
<plaes> Turl: also a lot more pins
<wens> emmc/inand seems to be better?
<Skylark> yes.. i wish i could've sourced it at a good price :(
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<Skylark> (in a package that works for this - again, TSOP-48 is nice)
<Skylark> i just know i'll have a blast dealing with sunxi NAND
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<wens> Turl: you could ask for the slides later, pretty descriptive
<Turl> wens: I'm sure mripard/FE is going to publish them :)
<wens> Turl: there's info on new (4.0) stuff, which should help you :)
<Turl> wens: you mean the generic pause/resume/terminate ops and capability retrieval?
<Turl> wens: I reworked it to use those the other day :)
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<wens> Turl: i think so
<wens> also new unmerged stuff, scheduled dma
<Turl> that's new to me :)
<Turl> I'd better get it merged soon so it won't break again :p
<Turl> ah cool, a framework to ease writing drivers :)
<wens> still rfc
<Turl> yeah
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<Turl> and not much use to me from a quick look, it expects you to support LLIs
<Turl> but I guess the majority will find it handy :)
<wens> sun4i dma doesn't use LLIs?
<Turl> wens: nope, not hardware ones at least
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<Turl> the hardware is pretty dumb, you got to give it a pair of addresses and a size and it does that and let you know
<wens> iirc a80 does support it
<Turl> wens: sun6i does too
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<Turl> it may be the same block
<wens> probably, though not many users on a80
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<wens> only uart and spi
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<plaes> diffstat is impressive for sun6i-dma
<wens> still need to special case for 64bit support
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<mripard_> Turl: I thought about the sun4i case
<mripard_> I guess we could just write a generic library for this.
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<Turl> mripard_: yeah, that could be an option
<Turl> mripard_: it also depends on how often does such hardware show up, if sun4i is the only odd one out it may not be worth it
<mripard_> Turl: yep
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<doclambda> hey. I need help with sun7i-a20 SMP
<doclambda> I ported the sunxi-3.4 code to 4.0.0-rc4 as http://pastebin.com/nMav6S7Y
<doclambda> but get a hang during boot: http://pastebin.com/8HeGfUNc
<doclambda> any ideas?
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<ssvb> doclambda: what is the purpose of this exercise?
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<ssvb> doclambda: if you just want SMP support, then it is much easier to use a newer version of u-boot with PSCI
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<doclambda> ssvb: first of all the understanding of what is happening
<doclambda> secondly: I did not manage to boot the kernel with current git mainline uboot
<doclambda> booting stops at: Starting kernel
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<ssvb> doclambda: booting the mainline kernel stops?
<doclambda> yes
<ssvb> this is very strange
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<doclambda> indeed
<doclambda> the very same kernel boots fine with lemaker's version of uboot, but gets stuck with mainline uboot
<ssvb> maybe try the v2015.04-rc4 tag, at least it works for me (on a cubietruck)
<doclambda> ssvb: I tested latest git
<doclambda> but it should be identical for sun7i with rc4
<doclambda> maybe i can check again tomorrow, but I tried at least 4 times with the parameters shown in http://pastebin.com/8HeGfUNc
<doclambda> the last thing i see is: Starting kernel ...
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<ssvb> I don't know, it just should work fine
<doclambda> hmmm
<doclambda> do i still need bootm_mode sec?
<ssvb> which version of GCC was used?
<doclambda> let me check
<ssvb> no, "bootm_mode sec" will make it fail
<doclambda> ok maybe that's the evil then
<ssvb> this probably explains it
<doclambda> armv7a-hardfloat-linux-gnueabi-gcc (Gentoo 4.9.2 p1.0, pie-0.6.2) 4.9.2
<doclambda> just for completeness :-)
<doclambda> ssvb: thanks a bunch
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<doclambda> will test again tomorrow and report back
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<doclambda> however, just out of interest... why does the patch i tried does not work?
<ssvb> "bootm_mode sec" disables PSCI, which makes it work with the sunxi-3.4 kernel
<doclambda> can you point me to any doc or similar to understand the bootup of the cpus better?
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<doclambda> ssvb: understood
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<doclambda> found the psci documentation... that's probably enough brain food for now... :-)
<doclambda> ssvb: thanks again
<doclambda> have to leave now.
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