mnemoc 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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<wens> Turl: may i ask why spi dma transfers for > 64byte didn't work the first time?
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<Turl> wens: I was setting the magic timing parameter just to one of the transfers :S
<wens> oh
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<wens> looks nice :)
<wens> any plans to do other devices?
<Turl> wens: analog audio, using DMA :p
<wens> isn't jonsmirl working on that?
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<Turl> he is, but that's what on my proposal as well :p
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<wens> i see
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<Turl> we can join forces :)
<Turl> wens: I really like this logic analyzer :p https://i.imgur.com/04L2njp.png
<wens> i didn't notice it was a logic analyzer. i thought it was trace from dmaengine :p
<Turl> o.O
<Turl> :p
<Turl> it's a logic analyzer on the SPI bus
<Turl> doing a big transfer with DMA
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<wens> i was thinking about getting an oscilloscope, but a logic analyzer seems better :p
<Turl> wens: also way cheaper :p you can get one for under 15$
<wens> mripard: i think we could select RESET_CONTROLLER for all sunxi platforms, since the usb phys need reset control
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<wens> sun4i eint doesn't work well with gpio in :(
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<wens> gpio input level is fixed to last known value when switching to eint
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<Turl> wens: didn't the gpio driver on 3.4 have some magic for those?
<wens> sun7i seems to work fine without
<wens> right now we only use it for mmc cd, setting broken-cd might be easier
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<Turl> papering over bugs? :) that's not a good way forward
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<wens> muxing in and out everytime we read gpio doesn't seem a good way either :|
<wens> both are workarounds for broken hardware
<wens> at least aw fixed it for later socs
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<Turl> wens: it's just one kind of gpio, of which there's like 20 out of hundreds
<Turl> and only on eint mode
<Turl> which you'd usually read only if you get an interrupt from it
<wens> i wonder how many usages actually need to read the gpio
<wens> most devices just use it as out-of-band interrupt signaling
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<Turl> yeah
<Turl> good night :)
<wens> :)
<JohnDoe_71Rus> morning :)
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<oliv3r> mornin'
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<wens> morning
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<oliv3r> lo
<oliv3r> i haen't seen hramrach around a lot latley?
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<wens> me neither
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<wens> i'm getting funny results with the clk framework
<wens> afaik clk_prepare_enable should propagate up parents
<wens> but i'm getting mbus clock enabled, but parent pll6x2 and pll6 not enabled :/
<mripard> wens: it only enables the active parent
<mripard> in case of a mux
<mripard> which iirc mbus is
<oliv3r> the temperature sensor doesn't seem to behave linearly :(
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<wens> mripard: i'm pretty sure the active clk tree is pll6 -> pll6x2 -> mbus
<mripard> the default mux is osc24 on the A23 it appears
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<wens> let me check from uboot
<wens> pretty sure boot0 reparents it to pll6x2
<wens> yup, memory dump from uboot confirms it
<mripard> and what does clk_get_parent return?
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<wens> great... it's null :|
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<wens> seems like the way the sunxi clk driver is done, having a non-sunxi clk driver in the middle is problematic
<wens> no proper EPROBE_DEFER support
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<Black_Horseman> hola
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<oliv3r> ssvb: i got some interesting data :)
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<oliv3r> (I should have recorded the AXP temp too :()
<oliv3r> though that looks very accurate in itself to be fair
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<oliv3r> also temperature variation happens very very rappidly, going from 132 MHz to 960 MHz the temperature changes within seconds to 85 ish
<oliv3r> the last few degree's happen much slower, but that's obvious
<oliv3r> cooldown goes about at the same rate, about 1 min to get very close to its final temperature
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<oliv3r> ssvb: bah, i borked my test, turns out, lightdm was still active, and by killing it, temperature went up slightly (cpubburn gets to spend more cycles heating)
<oliv3r> it's not a huge difference
<oliv3r> like 0.5 - 1C
<oliv3r> and probably only noticeable in the lower ranges
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<oliv3r> hmm, appearantly anythin gunder 204 MHz isn't applied anyway
<oliv3r> i got 30 MHz via sest_speed, but bogomips are around 408; i should have checked that before doing the last lot of frequencies.
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<oliv3r> ah crap, the cpu_min_freq was holding it back
<oliv3r> that sucks :(
<oliv3r> i should have checked that first!
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<rellla> jemk: have you already noticed an issue with missing unlocking?
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<ricardocrudo> How I get into FEL mode on A23 allwinner? Different from A20 there is no UBOOT_SEL (or BSP) pin, how the A23 datasheet says.
<ricardocrudo> I found a post about a tablet that uses an A23 chip, someone said to hold a volume+ button. what is necessary to implement this solution or something similar?
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<wens> either use the volume key thing
<wens> or use the uart
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<wens> hold s while powering up, and you'll get a uboot shell
<wens> then type efex (enter)
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<jemk> rellla: yes, accidentally did an cedar ioctl on g2d and wondered why the whole desktop hung up
<Turl> wens: hi
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<Turl> wens: I'm going through your reviews (thanks for taking the time btw)
<Turl> wens: what whitespace error is there on patch 3?
<libv> ARMs MPD big cheese, Jem Davies, on a google hangout about mali
<Turl> libv: we can drop in questions :p
<libv> i already did :p
<libv> vote it up :p
<Turl> +1'd
<libv> :)
<ricardocrudo> wens: the A23 doesn't have boot1, so uart still being a option?
<ricardocrudo> wens: "...reported FEL key', how can I report a FEL key? any fex option?
<ricardocrudo> wens: "hold s while powering up...", what you mean with "s"?
<Turl> wens: nm, I used spaces instead of tabs, just noticed :p
<ricardocrudo> wens: we are creating a core board using A23, we don't have a device
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<jemk> wickwire: I don't manage to reproduce you vdpau+mali issue again, no idea how i did it the first time. But i might have an idea whats the problem
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<jemk> wickwire: /dev/disp doesn't seem to have any locking against concurrent access, and using dri and vdpau both change layers at the same time, sometimes things go randomly wrong
<wickwire> jemk: thanks for trying, maybe it's just a very specific combination of configurations and/or code versions on specific packages
<jemk> maybe someone with more disp knowledge could confirm this suspection
<wickwire> jemk: yes, I admit I'm not that knowledgeable either on the subject
<wickwire> for now, in my case specifically, I wouldn't consider it dead serious
<wickwire> but as I've got Qt5 working on cubieboard as well as accelerated GStreamer,
<wickwire> I'm trying to combine the two into one single graphical/video app
<jemk> at least i could not find a problem in fbturbo or libvdpau, and the errors look like the layers wouldn't be turned off correctly
<Turl> libv: he's asking it :p
<wickwire> or at least be able to produce apps like that
<wickwire> so I'll be really putting it to the test if/when I manage to combine gstreamer and qt properly
<libv> Turl: patents are bullshit
<libv> he's fully on the bs side here
<jemk> wickwire: if you want to try you could patch the kernel and add some locking to see if it helps
<wickwire> jemk: I'll have a look and see if I can help
<jemk> wickwire: something like this, its untested and i don't think it's a good permanent solution, but to test: http://sprunge.us/VZSK
<wickwire> jemk: thanks for this, I'll have a look as soon as possible and write back if I manage to get it working!
<wens> ricardocrudo: the features i mentioned are part of allwinner's u-boot
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<ricardocrudo> wens: right, and what did mean with "hold s"?
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<wens> ricardocrudo: keep s pressed during powerup, until you see uboot stoping at a prompt
<Turl> libv: the guy learnt to recognize you just from your words. You can put that on your bio or something :p
<libv> no, he too could see the questions
<libv> but yes, that second question was recognizable just by the mention of lima
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<wens> missed the whole thing
<wens> Turl: git am noticed the whitespace errors :p
<ricardocrudo> wens: sorry, I'm don't understand if s is a button, it is the shutdown button?
<Turl> wens: there's another whitespace error on the usb reset line :p
<wens> ricardocrudo: the s character on your keyboard
<wens> Turl: what? where?
<ricardocrudo> wens: ah, ok, I got it. Thanks
<wens> ricardocrudo: there is also the option of writing 0x5aa5a55a to 0x01f00108, and upon reboot, boot0 will go into FEL mode
<wens> that is, if you have a working system to begin with
<Turl> wens: one of the #reset-thing on the usb node I think. I noticed when I did 'replace 8 spaces with tabs' on my editor
<wens> i see
<wens> ricardocrudo: it's basically what uboot does when you trigger fel mode from it
<ricardocrudo> wens: nice! How can I do the first deploy of u-boot?
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<wens> ricardocrudo: you should ask allwinner about the sdk
<ricardocrudo> wens: hum, ok. Thank you!
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<rafaelMOD> Hi, does anyone know the difference betwin VDD-CPU and VDD-CPUS in Allwinner A23 or A31? I am developing a board with A23 from scratch and I can't find the information. The same VDD-CPUS apears on A31, but I also can't find the A31 User Manual on the internet, only the datasheet seems to be available. On the A31 EVB, witch I am using as reference for power scheme (similar PMU / AXP221 and AXP223), the VDD-CPUS comes from a LDO (AXP221-DC5LDO or ex
<rafaelMOD> ternal LDO). Is there any problem with using a switched power on VDD-CPUS or do I have to use an LDO for higher PSR?
<nove> rafaelMOD: join ricardocrudo and together ask allwinner for the reference design, sdk, datasheets, and all
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<rafaelMOD> Already asked but no answer. I will try again on service@allwinnertech.com.
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