rz2k changed the topic of #linux-sunxi to: Allwinner/sunxi development discussion - Don't ask to ask. Just ask and wait! - See http://linux-sunxi.org | https://github.com/linux-sunxi/ | Logs at http://irclog.whitequark.org/linux-sunxi | FOSDEM talks - http://dl.linux-sunxi.org/users/nove/sunxi_at_fosdem2014/
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<idella4> is the devel kernel currently capable of seeing a usb daptor card holder with mmc cards? the 3.4 can
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<wens> idella4: yes
<aaribaud> Turl: thanks
<Turl> wens: better if the people you're talking to are here :p
<Turl> aaribaud: anytime
<wens> Turl: yeah, leaving it for the log :p
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<idella4> is the devel kernel currently capable of seeing a usb daptor card holder with mmc cards? the 3.4 can
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<libv> imroy is very anal and just turned the a20-cubietruck page around
* libv is happy.
<libv> ah, no, i did the initial work it seems
<libv> but good nitpicking nonetheless
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<idella4> is the devel kernel currently capable of supposrting the stat drive controler and seeing sata drives too?
<rellla> morning
<mripard> idella4: yes, and yes, it should
<mripard> aaribaud: hi!
<aaribaud> mripard: hi, and again, sorry for the French. :)
<aaribaud> mripard: I'm trying to figure out what the A31 status is wrt U-boot and Linux
<idella4> mripard: thx, <*> Platform AHCI SATA support is set in the kernel
<mripard> aaribaud: u-boot support is pretty much non-existent
<mripard> I posted some early patches back in December that added only the real basic stuff
<idella4> I have a sata drive plugged in but the kernel didn't make the /dev/sdx
<mripard> like it just boots, sets up the UART, and.... that's it
<idella4> the kernel-3.4 does it fine
<mripard> the linux support is far better
<mripard> it doesn't have any storage support at the moment though.
<aaribaud> mripard: I've got a mele a1000g. Any (specific) way I can help?
<mripard> aaribaud: given your experience, I think you could help with u-boot :)
<idella4> actually cancel, the kerne-3.4 sees the usb adaptor card holder, not tried the sata drive on it yet
<mripard> making it work on mainline u-boot would be great, even without SPL.
<aaribaud> mripard: I was thinking along these lines. :)
<idella4> it may be the powering of the drive
<mripard> we're really interested in the PSCI stuff that maz_ does, and we can't use it at all on the A31 because we have no proper u-boot support for now
<mripard> idella4: how are your device files created ?
<idella4> created, by udev I suspect
<mripard> ok
<aaribaud> mripard: ok, so, to begin with, is there a place on the Net showing current A31 u-boot porting status and todo?
<idella4> ~ # ls /etc/init.d/udev* /etc/init.d/udev /etc/init.d/udev-mount
<aaribaud> mripard: (apart from your u-boot git repo)
<idella4> do I paste the whole bootup perhaps?
<idella4> It makes the /dev/mmc files fine
<idella4> while this is in fact a bootup including the xen hypervisor, I know that the xen dev normally boots up to a root=/dev/sdx
<mripard> aaribaud: no, there's none, because no one really worked on it :)
<idella4> so he akaik has the devel kernel and boots and gets /dev/sdx
<mripard> aaribaud: I can push my early branch though
<idella4> I presume my config is missing a setting or 2
<aaribaud> mripard: I would like this, yes
<idella4> I was wondering re [ ] ATA BMDMA support
<aaribaud> mripard: thanks!
<mripard> idella4: yep, having the boot log would be great
<idella4> sure]
<idella4> a moment
<hno> ijc, do you have a git repo with your u-boot sata changes that I can pull from?
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<ijc> hno: I will in a couple of minutes ;-)
<idella4> I shifted the powering from the tower case to a a mobile phone recharger that takes the usb plug and goes into a power board
<idella4> hi ijc
<mripard> idella4: hmmm, I'm not exactly sure on how xen works, maybe you can ask ijc since he's here :)
<idella4> that he is
<idella4> I haven't yet done a run with that zImage with the different power source I just described
<idella4> but it ought make them
<idella4> despite loading a xen ninary
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<idella4> I still suspect I'm missing a kernel setting or such
<ijc> idella4: Please make sure it works without Xen first.
<ijc> hno: git://gitorious.org/ijc/u-boot.git ahci-sunxi
<ijc> I just force pushed v3 to that, commit is ac17491
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<hno> ijc, quite massive conflicts trying to pull that branch. Which sunxi u-boot triee is it based on?
<ijc> hno: jwrdegoede/sunxi-next
<hno> ok. Does it depend on anything else in there?
<ijc> hno: Not sure tbh
<ijc> I'd guess not
<ijc> My battery is about to die so I'll be dropping offline soon...
<idella4> I can't make sure 'cause I don't know what's missing or wrong
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<idella4> booting the zImage without the xen binary has the same
<idella4> army ~ # grep sd /proc/devices
<idella4> yields
<idella4> 8 sd to 135 sd over 16 lines i.e. 16 of them
<idella4> whether these have any relation to /dev/sd I don't know
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<idella4> the plug specs; 5 v, 1.2 A
<idella4> does it suffice?
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<hramrach> if it really delivers what it says, yes
<hramrach> the board itself uses like ~0.6A
<hramrach> iirc
<hramrach> I use 5V 6A industrial PSU to rule out PSU issues
<hno> idella4, I think ist's ahci you should look for, not sd.
<idella4> ah thx I shall look soon on re-booting
<idella4> replacing zImage with a kernel with some best ghesses aditions to try help
<idella4> would also like the kernel to 'se' the usb card reader, but one at a time
<idella4> hno the sd is unrelared?
<idella4> is unrelated?
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<idella4> ok # grep ahci /proc/devices yields blank so the kernel is making none
<mripard> did you update the device tree recently ?
<idella4> actually no, it appeared to me it remained unchanged on doing some adjustments
<idella4> I remade it a few times then didn't bother seeing it was always the initial size. any change would make a new size
<idella4> clearly it's worth re-doing otherwise you wouldn't prompt or ask
<mripard> well, if it's old enough, we didn't had yet the AHCI controllers, and hence, the kernel won't load the AHCI driver, because it has no associated devices
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<idella4> this is in the .dtb file yes?
<mripard> yep, the dtb file is the device tree
<idella4> anyway I'll go rebuild and replace it
<idella4> I've done so many re-builds I've totally lost track of what when, thx mripard
<hno> idella4, the boot log you pasted do have ahci, and found one SATA port but no device.
<idella4> ah
<idella4> well I have one sata drive plugged into the cb2 board
<hramrach> then all bets are off
<hramrach> it might not work at all whatever PSU you use
<idella4> moi?
<hramrach> http://linux-sunxi.org/Cubieboard/FAQ#I_attached_the_SATA_disk._It_spins_up_but_when_I_start_using_the_disk_it_would_spin_down_repeatedly_and.2For_cause_errors_in_the_logs._What_is_going_on.3F
<hramrach> but if the disk is not detected at all on boot you might have an issue with the regulator in the DT that powers it on or it might be a 12V drive
<idella4> the Seagate drive reads; +5V 0.72 A
<idella4> and the next line +12 V 0.52 A
<idella4> the plug I got from my son has 5V 1/2 A
<idella4> the plug I got from my son has 5V 1.2 A
<hramrach> then it's 12V drive
<idella4> meaning the cb2 lacks the capacity to support it yes?
<hramrach> you cannot power it unless you hook it to an ATX PSU or something that has both 5V and 12V
<idella4> ah both 5 + 12
<idella4> plugging it into the usb port of the tower seems also to have failed
<idella4> this is not good it seems
<hramrach> usb is 5V only
<hramrach> if you have a PC you can open it and use the SATA/molex connectors to power the drive and USB to power cubieboard
<hramrach> there are PCI even slot covers with molex passthru connectors so you can do that with the case closed
<idella4> eeer,
<idella4> so that's like a pci device connector into a pci slot
<idella4> then you'd need a matching cable to substitute the usb adpater cable that came with the cb2?
<hramrach> no, this is for the drive
<hramrach> but you know how are SATA drives powered, don't you?
<idella4> too newbie, no, hardware was never my specialty
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<hno> ijc, cherrypicked patches at least builds. Need to figure out how to best test this... have a bit of a power issue at the moment to power the sata drive proper.
<idella4> I have a cable like that in the tower to connect the other sata drive in it
<idella4> anyhow thank you hramrach
<hno> idella4, put drive in the tower and power it from there as if it was any other internal driver for your tower, and sata cable from board to drive. Also power the board from tower somehow (USB, or suitable molex/fan -> board connector cable).
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<hno> avoid the special sata + power cables that come with cubieboard/cubietruck/whaverer. Just asking for trouble to use one of those.
<hramrach> the sata part works. the power part works for drives that use very little power
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<hno> hramrach, failed on the 2.5" drives I tried with. But haven't tried with the SSD yet.
<hno> probably need better power input to the board for it to work.
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<idella4> hno it was my tea time
<idella4> back; the special sata + power cables that come with cubieboard/cubietruck/, they are joind or fused at the end that plugs into the dirve
<idella4> you mean put that cable aside and don't use I take it
<idella4> well; " Also power the board from tower somehow (USB, or suitable molex/fan -> board connector cable)." this is what I was doing initially, power input -> usb plug into the tower
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<hno> idella4, yes put it aside and use a normal SATA cable for connecting the board, and a normal SATA power plug from your tower to power the drive.
<idella4> goi it thx
<hno> Using an USB cable to the tower for powering the board is fine. Just avoid powering the board from a separate power source such as an USB charger while connected to a drive powered by the tower.
<idella4> goi it thx
<idella4> muxh appreciated
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<idella4> oh hno you appear Scandanavian, 'cool'. you still here?
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<mnemoc> idella4: he lives in Sweden
<idella4> thought so
<idella4> I was there long ago for a few weeks
<deasy> yop
<deasy> cedarx doesn't decode in hw vp8 ? i was sure to have see it in registers section
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<deasy> there is some mention of vp8 in the h264 registers section
<deasy> are*
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<rellla> deasy: it does
<idella4> the other outstanding issue I may as well raise here with the bootup of the devel mainline, I don't get a console in the vga monitor
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<idella4> I get on fine in the newly established serial console
<wens> that's because there is no display support in mainline
<idella4> no display support
<idella4> meaning the 3.4 androidish one has it but it's not got into sunxi-devel at this stage?
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<idella4> implying it's firther down on the todo list?
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<rellla> jemk, deinterlacing only works for DISP_MOD_MB_UV_COMBINED https://github.com/linux-sunxi/linux-sunxi/blob/sunxi-3.4/drivers/video/sunxi/disp/disp_video.c#L178, so in case of VDP_YCBCR_FORMAT_YV12 (softhddevice is setting that) -> layer_info.fb.mode = DISP_MOD_NON_MB_PLANAR ...
<ccaione> oliv3r: puneet B wants to review your book ;)
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<jemk> rellla: where does softhddevice set that? that's only relevant for software decoded data, ve output has different formats
<hno> idella4, I am always here.
<hno> to some degree,
<idella4> ah, nice
<idella4> well 24/7 is a big ask
<rellla> jemk: ah i misread, thats sw decoding.
<jemk> rellla: the NON_MB_* formats are "normal", MB_* are the special 32x32 blocks used by video engine for some cache performance reason
<rellla> ok. so everything should be fine, because you "hardcoded" INTERNAL_YCBCR_FORMAT as decoder output format?
<oliv3r> ccaione: backreading; yeah i heard that their code was utter crap too; but their licenses where even worse. lkcl could get them to play ball for the eoma, which is why the a10 came into the picture
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<oliv3r> oh i see lkcl properly responded
<oliv3r> re: a31; as far as i recall; we have boot0 code, but not officially sanctioned by allwinner, same goes ofr the usermanual
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<jemk> rellla: yep, hardware decoded video must have the tiled/mb format
<rellla> and as a conlusion, everything libvdpau decodes is MB_UV_COMBINED and YUV420 and so the scaler should end up in using bob deinterlacing. as long as this maf_valif/flag_addr ... isn't set
<aaribaud> oliv3r: I'm interested in A31 boot0 code. Where can I find it?
<aaribaud> oliv3r: GitHub hno?
<ccaione> /wqq/eei
<hno> aaribaud, I haven't looked at A31.
<aaribaud> hno: thanks.
<hno> or, right, boot0. Yes we have some of that, but the most interesting parts are hidden. Seems offloaded to the openrisc core.
<aaribaud> I'm confused about boot0 / boot1 source code. Didn't Allwinner release some source code for those in some SDK?
<aaribaud> oliv3r: I am trying to get a good view of the U-Boot situation re Allwinner chips, especially A31 as I have a Mele A1000g.
<hno> aaribaud, A20 SDK had full sources. But that is the only one.
<hno> A31 is not well supported.
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<hno> neither in u-boot or kernel.
<aaribaud> hno: I know it is not well supported. I am trying to figure out the detailed situation and what can be done to help/remedy, especially for U-Boot.
<oliv3r> ccaione: no he won't :p
<oliv3r> ccaione: then again; if he can manage to follow the examples; anybody can
<oliv3r> aaribaud: we dont' 'officially' have it
<oliv3r> aaribaud: i did some early work that i pushed to my github/oliv3r
<oliv3r> or my gitorious either/or :)
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<oliv3r> aaribaud: the thing is; the memory controller is COMPLETLY different
<oliv3r> like totally :) i started to get interested in it again, because a23 seems to use the same memory controller
<oliv3r> we got usermanual and a23 boot0 is on its way
<oliv3r> i just sent an email to allwinner to ask permission to start sharing a31 stuff
<oliv3r> and ideally to get it via them (again)
<aaribaud> oliv3r: that would be nice. I'm willing to help on the U-Boot side of things.
<hno> oliv3r, UART etc should be mostly the same. A very good start is to get things running chain-loading u-boot from u-boot or boot1.
<aaribaud> hno: speaking as a U-Boot guy, I wouldn't spend time on chainloading u-boot from u-boot.
<oliv3r> aaribaud: it would be chainloading boot0/boot1/u-boot-> our u-boot
<oliv3r> aaribaud: but since i lacked hardware, i never was able to go 'all the way'
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<oliv3r> aaribaud: but lets wait and hear what eva says we can do with a31 stuff; i hope we get the ok to share it
<oliv3r> then i can share my unpushed changes more easily too
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<plaes> oliv3r: what's your book about?
<oliv3r> ccaione: you lied; no puneet :(
<oliv3r> plaes: sunxi for absolute beginners :)
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<oliv3r> well cubieboard/olinuxino really
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<plaes> did you find your third reader?
<hno> aaribaud, then chain-load it from boot1 as is normally done by allwinner.
<hno> and when that runs smootly, look into figuring out the DRAM controller parts, for which we have exactly nil documentation and only leaked and likely nonfunctional code.
<aaribaud> hno: chainloading to u-boot from anything else is ok. Just don't waste time trying to make u-boot able to chainload itself.
<hno> it is by default.
<hno> just load it to 4a000000 and go.
<aaribaud> hno: well, some u-boots out there do that. It's not a feature that mainline u-boot needs to have, or wants.
<hno> I am not suggesting it as a default mode of operation, only as a viable path to getting an u-boot that runs reasonably well on a31.
<hno> and then work from there.
<mripard> hno: we already have the boot0->boot1->u-boot-sunxi chainloading pretty much work already
<aaribaud> hno: as an intermediate thing it's ok.
<hno> mripard, good.
<hno> to u-boot there is no difference if it's boot0->boot1->AW u-boot -> sunix u-boot, or if it's boot0->boot1->sunxi u-boot. It's only a matter of preference.
<oliv3r> hno: i'll forward yours and benjamin's name to packt and hope to have you both aboard
<hno> oliv3r, thanks
<oliv3r> nono,t hank you
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<wingrime> oliv3r: ping
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<oliv3r> wingrime: pong
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<Ravo> Any chance of a libvdpau-sunxi implementation without X?
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<jemk> Ravo: vdpau requires X by specification. It would be possible to do it without X, but we would have to invent something own and there will be no existing player to use it
<Ravo> Is there any way to use hardware decoding with allwinner chips on existing media players that doesn't require x?
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<rm> vdpau requires X by specification <- then that's one pretty lousy specification I'd say
<Ravo> It didn't make sense to me either that the first open source port of cedarx would require X either. It seems like it would just complicate things.
<jemk> vdpau extension is possible, but nobody did it yet: http://http.download.nvidia.com/XFree86/vdpau/doxygen/html/group__api__winsys.html
<jemk> there is only X11 till now, maybe someone will add wayland, and maybe one can add direct framebuffer or whatever
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<jemk> Ravo: the original intention of this vdpau-sunxi was to be my reverse engineering environment because it was pretty easy to start with
<jemk> I didn't pay attention to the real world usability
<Ravo> And now you have people like me trying to use it like it was somewhere between beta and gold.
<Ravo> Hehe.
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<jemk> it should be easy to add different window systems (or none) to vdpau, but you won't have a player that makes use of that (except you write your own)
<Ravo> Easy is relative. I can barely write python, much less c.
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<Turl> morning
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<oliv3r> jemk: what about vaapi; will that work without X? i think it did
<oliv3r> jemk: that said; doesn't matter what happens next year, you are working via this angle for now, and for now, it is more then fine. :)
<oliv3r> keep up the good work ;)
<jemk> oliv3r: as vaapi is only decoder/encoder and no output it should be independent of window systems
<oliv3r> for framebuffer/directfb etc based devices, it does sound sensible
<oliv3r> dunno if sunxi can handle it htough; with the mem copies etc
<jemk> final goal would be something like v4l with dmabuf zerocopy to sunxi-kms, but that's far away...
<oliv3r> aye
<oliv3r> lots still to be done; lots still to be learne and understood
<Turl> jemk: you wanted to do a GSoC didn't you?
<oliv3r> i like the idea; but who'd mentor a kid? who has time to put in the effort required
<jemk> Turl: nove had the idea, but I neither know if i can afford to spend that much time nor which organisation would be interested in this
<Turl> jemk: I mailed greg about GSoC, he said LF could consider such projects
<Turl> (Linux Foundation)
<Turl> I'm probably going to make a proposal to do some sunxi stuff
<Turl> maybe DMA on sun4/5/7 and some A23 stuff or sth
<Turl> need to decide still :)
<Turl> if you have ideas I'm all ears
<oliv3r> you wanna be student to gsoc?
<oliv3r> you better hurry your ass up :)
<Turl> oliv3r: proposals start on monday
<Turl> March 10, 2014 - Applications open for students
<Turl> March 21, 2014 - deadline for students to apply
<Turl> so I got a bunch of days still
<Turl> oliv3r: how's the book coming along?
<oliv3r> chapter 4 done!
<oliv3r> and the 'Title Information Sheet' is done too! so marketing will start soon
<oliv3r> Turl: yeah but we haven't applied as an org yet
<Turl> oliv3r: you'll need yo wait till next year for that
<Turl> to wait*
<oliv3r> exactly
<Turl> oliv3r: marketing already? heh
<oliv3r> go figure
<oliv3r> so if you apply as a student; doesn't have the org be a member?
<Turl> oliv3r: yes
<oliv3r> so how can you maket hat happen!
<Turl> oliv3r: I'm gonna propose the project to LF
<Turl> as it's mainline linux work :)
<oliv3r> ahh ok
<oliv3r> rgr
<oliv3r> well nice income, google pays well
<Turl> it'd be nice to have sunxi as org next year
<Turl> but we realised a bit late
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