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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<wens> embed-3d: my cubieboard is booting just fine?
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<icenowy[m]> BenG83: you have see the clocks
<icenowy[m]> it's 1.488GHz
<icenowy[m]> so I need someone to review my code
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<guest22222> anybody here experienced with writing usb-device drivers for Linux?
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<silviop> I'm try to trigger watchdog on my A13 tablet , kernel 4.9
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<silviop> on dmesg sunxi-wdt 1c20c90.watchdog: Watchdog enabled (timeout=16 sec, nowayout=0)
<silviop> but echo 1 > /dev/watchdog give "watchdog: watchdog0: watchdog did not stop!" on dmesg
<silviop> there is something that i can test ?
<pmpp> silviop: you mean it does not reboot after 16sec ?
<silviop> yes
<silviop> ubuntu 16.04 with watchdog pakage installed (but same without)
<pmpp> you should make sure nothing is poking it under the hood
<silviop> lsof | grep /dev/watchdog give no hint
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<IlyaM> have a pine64 with a64? is it possible to generate 1MHz pwm signal?
<pmpp> soft or hard ?
<IlyaM> soft
<pmpp> silviop: do you have wdt_set_tmout / wdt_enable dmesg log ?
<t3st3r> silviop> systemd usually handles watchdogs.
<t3st3r> 16.04 should have systemd already, isnt it?
<pmpp> probably
<t3st3r> there is fancy idea systemd serves HW and maybe kernel WD, and can monitor processes using WD apis.
<pmpp> IlyaM: 1mhz should be ok with good priority set
<pmpp> but not with systemd around :D
<t3st3r> so if process stucks, systemd can detect it. If sd stucks, kernel or HW WD can detect it.
<KotCzarny> pmpp: a64 should have arisc available
<t3st3r> to test if WD works you can try to cause hard lockup in kernel.
<pmpp> KotCzarny: do you have micropython bindings yet ?
<KotCzarny> what do you need micropython bindings for when you have c available
<KotCzarny> and single function to performa
<KotCzarny> *perform
<t3st3r> I eventually managed to hang some sunxi boards "fully" and HW watchdog kicked in at least on a10
<pmpp> because usually pwm need on the fly modifications ...
<KotCzarny> right
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<KotCzarny> then set some mem contents with value
<KotCzarny> single long should do
<pmpp> wouldn't a ringbuffer with basic cmd firmata style be better ?
<KotCzarny> sure, it's up to the person writing it
<pmpp> i'll think about it then
<KotCzarny> and it's arisc part, you can control it from arm via python if you wish
<pmpp> when i said to lvrp16 to add an mcu i didn't know about arisc now that seems a good option
<KotCzarny> yes, especially that in mainline arisc is unused
<KotCzarny> and much faster than any mcu available
<KotCzarny> you would need to make sure resources arent allocated to both though
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<silviop> yes systemd
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<IlyaM> how to configure pine64’s GPCLK0 pin to generate 1MHz signal?
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<Langoor> I just booted mainline on my inet-k100c, threw a random archarm build for an a20 device on a sd, and it booted straight up, now a .FEX is available for my device on kernel 3, but no .dts for mainline, altough i'd like to write one, i have like 0 knowledge how to do that
<Langoor> thing I'm intrested in most is to add a clock to make the LVDS panel work, wich works according to the wiki
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<plaes> Langoor: A20 LVDS modesetting does not yet work
<plaes> although, you can configure u-boot to set up LVDS
<Langoor> hm, so then there is no use to me figuring out how .dts' work yet
<Langoor> welp, thanks for confirming
<plaes> well, you can actually actually create dts fine
<plaes> see for example sun4i-a10-gemei-g9.dts
<plaes> this is a tablet with LVDS screen
<Langoor> Hmm, i'd first have to read into writing .dts'
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<jernej> icenowy[m]: I think there are some undocumented settings which have influence on different buses speed
<jernej> so it may help with improving tinymembench results
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<silviop> Langoor: does you use last uboot ? LVDS work well on uboot (Tested on A13 A20 A31s tablet,cubieboard and banana) and kernel take working fb after uboot.
<Langoor> yes, I think so
<Langoor> the wiki page for my tablets does list I need a patch for LVDS
<Langoor> But I just run a cubietruck archlinux image, that might be a problem
<silviop> the wiki refers to allwiner BSP
<Langoor> hm?
<silviop> compile a mainline uboot following the guide
<Langoor> hmm, ty for the link, I'll see if I can get something running
<Langoor> I'm pretty new to uboot and arm
<silviop> in short, if uboot initialize lcd you are OK
<silviop> and compile uboot is quite simple
<Langoor> I thought it wouldn't work because the 3.* kernel also needs a .fex edit
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<silviop> do you put this fex (after converter to script.bin) in the right location ?
<Langoor> nah, I dont want to run kernel 3* again, I had that sucesfully installed, with LCD
<Langoor> For that I downloaded an random A20 armbian image and swapped out the script.bin, wich actually worked perfectly
<Langoor> I wnat to see if I can get LCD on mainline now
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<silviop> ok use mainline uboot and compile it with generic A20 lvds tablet default config
<Langoor> Allright! I'll see if I can do that! thanks!
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<silviop> remeber to config uboot for you lvds CONFIG_VIDEO_LCD_MODE="x:1024,y:600,depth:18,pclk_khz:51000,le:138,ri:162,up:22,lo:10,hs:20,vs:3,sync:3,vmode:0" i suppose
<Langoor> yeah, it listed that in the 2nd link you sent, I'm setting up tools for compiling uboot atm
<Langoor> would it be smart to compile on the tab? or rather crosscompile on something else
<silviop> better crosscompile
<Langoor> hmm
<Langoor> Can I crosscompile from debian x64 to my archarm?
<Langoor> I'm pretty new to this :s
<BenG83> yes
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<silviop> try arm-linux-gnueabi-gcc from terminal
<silviop> youu must use an sd, because nand in not well supported in mainline
<Langoor> I currently run from SD
<Langoor> I think i have the not-hf version
<BenG83> a bit old, maybe get a gcc-7 toolchain from linaro
<Langoor> I did some crosscompiling before for omap4 on that debian install
<silviop> i use gcc 5 and remove annoing message in uboot source and all work like charm
<silviop> my gcc gcc version 5.4.0 20160609 (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.4)
<Langoor> hmm
<Langoor> my debian has gcc6
<BenG83> I have trouble with spl size with older gcc's
<BenG83> but 7.2.1/7.3 seem to work ok
<Langoor> I dont really have time now, but I think i'll make a vm tomorrow, compile gcc7 from source
<Langoor> and then install gcc-arm
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<Langoor> is there a diffrence between the eabihf and not-hf?
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<BenG83> hf is hard float
<BenG83> e.g. it has hardware floating point
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<lurchi_> the important part is its an ABI specification
<lurchi_> you can use it with software emulated fp as well
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