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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<alexvf> hi, which a80 development boards are available to buy?
<alexvf> i have checked http://linux-sunxi.org but it is down
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<faisal> Hi there website seems to be down. Is it just me?
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<alexvf> faisal: no, it's not you
<faisal> Ok good
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<bonbons> it's know that the website has some trouble, a few disk failures keeping the machine from booting (properly)
<flok420> hi. with recent kernels (3.18 eg) the gpio sys-files no longer have their name in the file. eg gpio1_ph15. how can I find out what gpio-number is allocated for ph15?
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<bonbons> flok420: for which kernels did the naming work as expected?
<bonbons> if it was for 3.4 sunxi kernel, then some details of the FEX file were not ported to device-tree. In that case it's also important to note exactly which board you are using
<flok420> bonbons: 3.4 kernels had the gio
<flok420> yes the 3.4 sunxi. there I used gpio_ph15 but now with 3.18 I have a hard time finding the corresponding gpioXXX file
<flok420> it is a cubieboard 1
<bonbons> you would probably need to "configure" the gpio with pinctrl first but I don't know the details... (you can automate this via dts file, take a look at how LEDs are defined in there)
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<flok420> hmm ok. that's different from the usual path of saying eg echo 13 > /sys/class/gpio/export for pin 13. will look at pinctrl
<sehraf> flok420: you need to calculate the number ... e.g h is the 7th letter (counting from 0) --> ph15 = x * 7 + 15 .. i'm not sure what x is ... maybe 128 or 256 ..
<sehraf> 242 is the reset pin for BT and 248 is the wake pin
<sehraf> (on a coubetruck)
<sehraf> cubie*
<sehraf> the formula might be on linux-sunxi.org .....
<flok420> hmmm are you sure it is character * 7? because for example pa has way more pins than 7?
<sehraf> the 7 is the gpio bank number (and because a has way more pins you multiply 7 with x, which is the maximum number of pins per bank)
<flok420> oh that's what you mean. ok let me see
<flok420> found it: is 32 * x + y
<flok420> nice
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<oliv3r> flok420: quickest way, is to boot u-boot, and cancel the boot, in the u-boot console, you can do a gpio toggle pi19
<oliv3r> flok420: and u-boot will tell you the decimal ID; also, you could do the math :)
<flok420> ah! good!
<flok420> funny thing is that i don't get interrupts like the 3.4 (and recent kernels on other platforms) do
<flok420> ph15 is supposed to have an interrupt but changing the level doesn't trigger poll(POLLPRI)
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<oliv3r> i tested a few pins with the rotary driver (though the gpio_keys driver would be more appropiate i suppose)
<oliv3r> and it triggers interrupts as expected
<flok420> hmmm. what could it be.
<oliv3r> th epin you configure doesn' thave an EINT :)
<oliv3r> your driver is not setting up the key properly
<flok420> the datasheet says it does
<oliv3r> you have to use gpio_to_irq for example if my mmeory serves me right
<oliv3r> don't trust the datasheet :)
<oliv3r> that's why i said, use the gpio_keys to test your pin, and to follow the code as an example :)
<flok420> i do this from userspace, e.g. echo 239 > /sys/.../export, echo in > sys/.../direction, etc
<oliv3r> not sure if you can trigger interrupts from userspace
<mripard_> flok420: did you modify .../edge?
<flok420> oliv3r: yes you can. set direction to in, edge to whatever and do a poll(POLLPRI) on the filehandle for the ../value "file"
<flok420> mripard_: yes
<oliv3r> flok420: ah, awesome, I did not know
<flok420> the same code runs fine on an rpi, a beagble bond and a udoo.
<mripard_> flok420: and nothing shows up in /proc/interrupts?
<oliv3r> mripard_: did I promise you hugs and kisses allready?
<mripard_> oliv3r: no, but you don't have to
<mripard_> really :)
<oliv3r> mripard_: are you VERY sure?
<oliv3r> :p
<oliv3r> a ONCE in a lifetime offer
<mripard_> yeah, I'm pretty sure
<flok420> mripard_: nope, only sun4i_timer0 and eth0 increase
<oliv3r> mripard_: :(
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<oliv3r> mripard_: good, i'm sure my gf wouldn't approve
<mripard_> now, if you add a 3d printer to that offer... :)
<mripard_> flok420: what's supposed to generate interrupts?
<oliv3r> mripard_: LOL, you'll take kisses for a printer? you are cheap!
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<flok420> mripard_: gpio pin ph15 (239)
<mripard_> flok420: you told that already
<oliv3r> flok420: i think he means what is connected ON pin ph15
<mripard_> but what's wired to that pin?
<oliv3r> flok420: also, check 'value' to see if you are actually toggeling something :)
<flok420> oh it is a gps module with a pps.
<oliv3r> isn't there a kernel driver for that allready? to use the pps as a timesource?
<flok420> oliv3r: yeah I did that: for i in `seq 0 1000` ; do cat /sys/class/gpio/gpio239/value ; done | sort | uniq -c shows me that it is 10% high which is correct; the gps makes the pps pin high 100ms per second
<flok420> oliv3r: yes but it is unclear how to apply that to a gpio pin on the cubieboard. so i'm first trying to use my userspace solution for that.
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<oliv3r> flok420: well the driver hasn't been ported to devicetree as far as I can see, so it might be tricky :p
<flok420> ok so then i definately need to use my userspace driver
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<oliv3r> doesn't seem to work on tickless systems also, which I think the majority are today? could be wrong here though
<oliv3r> ah it only works via the parallel port
<flok420> tickless doesn't matter.
<oliv3r> for the driver it does :p
<flok420> on x86/rpi it also works with tickless kernel. the system clock is independent from the administrative timer. and pps is looking at the system clock every pps interrupt to see what the local offset is to the pps
<oliv3r> flok420: ah; well the pps driver in the kernel, does not work with a tickless kernel, nor does it work with anything other then a parallel port
<flok420> in the cubie kernel you mean?
<oliv3r> from a quick glance at kernel code
<oliv3r> flok420: the pps driver frame work in the kernel
<flok420> because on x86 it works fine with serial. i've been using it for years that way.
<oliv3r> so userspace should work without a problem, kernel space, either fix + extend the kernel driver, or, not :)
<oliv3r> really?
<flok420> yup
<flok420> initially with a garmin 18
<flok420> soldered to the dcd pin iirc
<oliv3r> flok420: http://lxr.free-electrons.com/source/drivers/pps/generators seems to suggest only a parallel port implementation exist
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<oliv3r> ohhh it's an OUTPUT i think on the parallel port
<oliv3r> yeah, serial only in, parallel only out
<flok420> ntpq -c pe -n keetweej.vanheusden.com <- 192.168.64.2 is connected via serial to a garmin 18+ lvc
<oliv3r> cool :)
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<flok420> the others are rpi's, a nanos g20, an gl-inet (with polling though; it doesn/t do interrupts)
<oliv3r> but doing it via GPIO is unsupported at the moment
<oliv3r> i wonder if my gps has a pps pin
<oliv3r> it's a usb/serial device, so it must be hidden on the PCB somewhere IF it has it at all
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<flok420> oliv3r: what is the brand? usb is useless for pps because usb has bad timing (seen from a timekeeping perspective)
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<flok420> that interrupt-problem I was complaining about may be a kernel problem. I noticed that the raspberry pi i used to do this poll-for-interrupt trick on also suddenly fails to wait for interrupts since kernel 3.18.3/4
<flok420> this worked fine until at least 3.12
<flok420> am composing an e-mail to lkml about it
<mripard_> flok420: can you put me in Cc ?
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<flok420> mripard_: what is your e-mail address?
<flok420> I already sent it but i can forward you the mail
<mripard_> flok420: never mind then :)
<mripard_> what ml did you send it to?
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<flok420> mripard_: linux-kernel@vger.kernel.org
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<mripard_> flok420: ack
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<leowt> :quit
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<oliv3r> flok420: i ment to disasemble it and find a pps signal on the PCB ;)
<oliv3r> flok420: also these devices have a serial port an dthen an in-wire usb to serial converter
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<vishnup> hi, I'm trying to bringup my A33 tablet using Mainline uboot/spl
<vishnup> In SPL itself, Timeout is happening while initializing DRAM
<vishnup> dram code is not provided by allwinner
<vishnup> wens: ping
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<crised> Hello, I want to run Linux in a smartphone, which hardware do you advice?
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<Fsanches> crised: the Android operating system runs Linux as its kernel
<crised> Fsanches: true... but I want to use the smartphone as a server, don't need any GUI
<crised> just CLI
<crised> don't need all the specialization that android has on UI
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<crised> Linux-sunxi.org is DOWN for everyone.
<linkmauve1> crised, my phone is an OpenMoko one, which is exactly what you are describing, but certainly not the best price/performance ratio you could find currently.
<crised> linkmauve1: ok which other options are out there?
<NiteHawk> turl: maybe put some notice about current linux-sunxi.org hw failure / downtime in the topic?
<linkmauve1> crised, dunno, I’m perfectly happy of my current phone, and have been since 2008.
<crised> linkmauve1: hows the keyboard in those opnemoko?
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<linkmauve1> crised, virtual.
<linkmauve1> Except if you plug a physical one in USB (it can switch from device to host on a simple command) or bluetooth.
<NiteHawk> crised, why would you aim specicifally for a smartphone instead of a more general embedded (SoC) system?
<crised> linkmauve1: virtual? touch?
<linkmauve1> crised, yup.
<crised> NiteHawk: because of the price, it combines a 2g/3G modem built in
<NiteHawk> ok, the modem is a valid point of course
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<crised> NiteHawk: also they carry a camera
<ssvb> vishnup: is there A33 SDK available somewhere?
<vishnup> no
<crised> linkmauve1: which openmoko devices are for sale?
<ssvb> or does anyone have a copy of 'libdram' mentioned here https://github.com/allwinner-zh/bootloader/issues/1 ?
<crised> linkmauve1: Could you configure the smartphone for only CLI?
<ssvb> vishnup, plaes: ^
<linkmauve1> crised, huh, GTA02 doesn’t do 3G nor has a camera, so from what you said I guess you don’t want it.
<linkmauve1> (It’s the model I use.)
<linkmauve1> So you still have the GTA04, but it’s more expensive.
<crised> linkmauve1: where can you buy those?
<linkmauve1> And yes, you can perfectly configure them both to use a CLI-only environment.
<linkmauve1> I know a guy who uses exclusively Emacs on his GTA02. :)
<crised> linkmauve1: :)
<linkmauve1> crised, no idea, I haven’t searched a new phone since 2008.
<crised> linkmauve1: lol
<linkmauve1> At that time I bought it from BearsTech, a French company that was reselling this phone.
<crised> linkmauve1: I see, this seems popular in europe
<crised> linkmauve1: Does openmoko uses sunxi?
<linkmauve1> No, the GTA04 uses a TI OMAP SoC.
<crised> linkmauve1: ok
<ssvb> vishnup: hansg took the boot0 binary (which is very small and easy to analyze) from A23 SDK and just converted one function in it from assembly into C code with really minimal modifications
<linkmauve1> So it’s quite off-topic for this room. :p
<ssvb> vishnup: something similar can be done for A33 too
<vishnup> ssvb: where is boot0 stored?
<vishnup> Can I extract it from Tablet memory?
<vishnup> we do not have A33 sdk at the moment
<vishnup> I'll be back
<ssvb> vishnup: let me look again, in A23-v1.0.tar.gz it was in A23/lichee/tools/pack/chips/sun8iw3p1/bin/boot0_sdcard_sun8iw3p1.bin
<ssvb> vishnup: at the offset 0x34A0 there is a function, which is nearly identical to the 'mctl_init' function contributed by Hans to the mainline u-boot
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<ssvb> vishnup: I think that having a look at libdram (which was removed from the allwinner's u-boot repository) is the most efficient way to extract the relevant functionality
<ssvb> plaes: do you still have a copy of libdram for a33?
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<ssvb> plaes: you kinda suggested this in the github comment :)
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<a1d3s> ssvb now i have burned this android image on sd , but cant find any script.bin
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<ssvb> a1d3s: appears that we need a simple tool to dump 0x20000 bytes from 0x43000000 via /dev/mem
<ssvb> a1d3s: vishnup already has one :)
<ssvb> a1d3s: do you at least have root privileges in this android?
<ssvb> a1d3s: android in a31s tablets is a real pain to get rooted
<vishnup> KingoRoot software helped me to root a33 tablet easily
<vishnup> a1d3s: which tablet you have?
<a1d3s> ssvb dont know
<a1d3s> vishnup none , it an banana m2
<ssvb> vishnup: thanks, that's interesting
<vishnup> ssvb: Luckily I'd taken libdram backup
<ssvb> either way, there are some promising linux kernel vulnerabilities, such as this one - https://plus.google.com/+MathiasKrause/posts/PqFCo4bfrWu
<a1d3s> ssvb would it be help if i dd my sdcard and upload it somewhere?
<ssvb> maybe we can have some sort of a universal fex dumper with integrated rooting functionality if necessary :)
<ssvb> a1d3s: can you write a simple program to dump a piece of physical ram via /dev/mem ?
<a1d3s> ahm no
<vishnup> I'd written one, Let me upload it..give 10 min
<ssvb> a1d3s: if not, then maybe vishnup can share his /dev/mem dumping program with you
<a1d3s> as i say some days ago , im not a dev only a stupid user ;)
<a1d3s> because if someone explain what to do , then i do :)
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<ssvb> vishnup: very cool, this libdram even has symbol names for the functions! this is much easier to analyze than the boot0 blob
<ssvb> vishnup: maybe Hans also had a copy of libdram when he worked on a23 dram support (because the 'mctl_init' function name is not present in the boot0 blob)
<ssvb> vishnup: you can probably try to link this libdram binary as part of the u-boot build and just call 'mctl_init' function instead of the a23 dram code
<ssvb> vishnup: we just need to figure out where are the dram parameters (clock speed, etc.) stored
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<vishnup> ssvb: I'd tried the dram params from FEX file
<WarheadsSE> linkmauve1: thanks for assisting crised earlier.
<WarheadsSE> He came to Arch Linux ARM, but aside from the OpenMoko, I could not immediately name another.
<ssvb> vishnup: how did you try them?
<vishnup> ssvb: they did not work atleast with current A23 dram SPL implementation
<linkmauve1> WarheadsSE, yeah, I didn’t either.
<ssvb> vishnup: heh, you likely need the code from libdram
<ssvb> vishnup: just link the libdram code and call the 'mctl_init' function (with no parameters)
<vishnup> ssvb: arch/arm/cpu/armv7/sunxi/dram_sun8i.c dram_para struct
<vishnup> ssvb: I'll try it.
<ssvb> vishnup: I'll try to see how the parameters can be passed into libdram
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<ssvb> vishnup: and disable the 'dram_sun8i.c' source because it has clashing function names with libdram
<vishnup> yes
<ssvb> vishnup: basically, the 'sunxi_dram_init' function just needs to call 'mctl_init' from libdram and do nothing else
<ssvb> vishnup: I'm not sure if that will work correctly, but you should see some prints which may reveal something
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<a1d3s> ssvb i think it doesnt have root
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<vishnup> a1d3s: install kingoRoot on device from Playstore and Kingoroot on your windows PC
<a1d3s> first i have to find playstore.apk ;)
<vishnup> connect device and PC using USB cable, from PC -> kingoroot you'll be able to remove root
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<a1d3s> ok why i always need an windows pc for this?
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<a1d3s> VERSICHERUNG von Kingosoft
<a1d3s> stellt Ihren Verstand im Ruhezustand ein. i'm german and that is real rofl
<a1d3s> if i translate it with my bad english knowledge it tells me: sercurity will set up your brain in standby
<ssvb> vishnup: the libdram code also is calling '__msdelay' function, which should be just implemented as a wrapper for 'mdelay'
Turl changed the topic of #linux-sunxi to: NOTICE: web/wiki is down, it will be back up soon // 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
<Turl> NiteHawk: ^
<NiteHawk> Turl: thx :)
<NiteHawk> (as the issue was brought up repeatedly)
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<Seppoz> is the sunxi wiki down?
<Seppoz> what is the kernel doing with [target] and [clock] settings?
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<ssvb> vishnup: http://www.kingoapp.com/faq.htm - "We manage to obtain root privilege of Android by exploiting certain undisclosed vulnerabilities, which we believe would be patched in no time once made public. And that would dysfunction this software that we've worked so hard for"
<ssvb> vishnup: how nice...
<vishnup> :)
<Turl> Seppoz: /topic
<Seppoz> ssvb: i changed the voltage today
<Seppoz> tetsing now
<ssvb> Seppoz: have you already tried lima-memtester?
<a1d3s> strange .. on windows pc the m2 restarts every time if adb get active in kingo .. testet with other usb cable and it doesnt start ..
<Seppoz> what i can say is that it def works much better now
<Seppoz> however whats wired is that once i booted the board. the boot again it wont even load uboot
<Seppoz> as long as i dont boot the kernel
<Seppoz> and stay in uboot
<Seppoz> i can power it on 100 times and it works
<Seppoz> but once i boot the kernel i hgave to let it sit for like 10 mins before i can boot again
<ssvb> Seppoz: some voltages are related to dram, the other voltages are related to cpu
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<ssvb> Seppoz: which ones are helping to improve reliability?
<Seppoz> we only changed the 1.2 voltage to be 1.38V
<ssvb> Seppoz: oh, sorry, I have confused you with the other guy
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<ssvb> Seppoz: yes, increasing the vdd-int (vdd-dll) voltage should help to improve reliability as expected
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<ssvb> Seppoz: still please try to run https://github.com/ssvb/lima-memtester/
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<ssvb> Seppoz: the readme.txt has some explanations, and there is a static binary too
<Seppoz> ok
<ssvb> basically, if this test fails, then you still need to tweak dram configuration
<Seppoz> ok
<Seppoz> is sunxi wiki down?
<Turl> Seppoz: yes, /topic
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<Seppoz> ssvb: is the static build of lima mamtester working on sunxi?
<ssvb> Seppoz: yes, of course
<ssvb> Seppoz: are you getting some problems with it?
<Seppoz> why does it need mail?
<Seppoz> module?
<ssvb> to use mali
<Seppoz> can i use it without?
<ssvb> from the readme.txt - "Earlier experiments with overclocking RAM on Allwinner A10 and Allwinner A20 hardware have shown that Mali400 usually starts misbehaving first. Exposing faults, which are very difficult to reproduce on CPU-only workloads."
<ssvb> you can use the regular memtester from http://pyropus.ca/software/memtester/ but it alone does not really detect dram misconfiguration problems
<Seppoz> ok so let me get the modules in
<ssvb> Seppoz: do you need help installing modules?
<ssvb> Seppoz: in fact, I have a patch to enable statically built mali driver for the sunxi-3.4 kernel and will submit it to the mailing list soon
<ssvb> Seppoz: this should make it less inconvenient
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<jero> my sun4i's screen has weird lcd colors, basically the red tones appear blueish.. human skin looks like avatar characters. anyone has an idea on what could cause this?
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<ssvb> jero: what kind of hardware is that? and what kind of software are you running on it?
<wens> vishnup: pong?
<wens> i'm in brussels doing touristy stuff
<Seppoz> not a problem just need to compile and install them
<Seppoz> which is what im doing now
<WarheadsSE> linkmauve1: yeah.. It seems he was so intent on it. There are plenty of options for uber cheap (and publically usable/configurable) 3g/4g modems, let alone 2G
<Seppoz> jero: itsa either wiring or lcd settings
<Seppoz> jero: make sure all cables ar in properly
<wens> oliv3r: btw, you can get the 10 trip cards at the metro kiosk
<jero> ssvb: this is an A10 on a awsom-a10 module.. running the upstream sunxi-3.4 branch
<vishnup> wens: DRAM is getting timed out in SPL with settings from FEX file for my A33 tablet
<wens> the ticket machines at the train station seem to sell them as well
<wens> vishnup: i don't have an a33
<vishnup> I'll try to include libdram provided by allwinner
<linkmauve1> WarheadsSE, it’s ok to let people do mistakes, the FreeRunner was my first dive into open hardware, it sucks but it was a great thing to make me realize why and how every other device out there has flaws.
<vishnup> wens: I think you and Hans has done dram related things in SPL for A23,
<WarheadsSE> linkmauve1: agreed. He poofed before I could really correct him. I'm not worried, he will be back
<jero> Seppoz: thanks I will check it again. Beside the fex settings, are you aware of driver settings that may have this impact?
<wens> vishnup: hans did, not me
<vishnup> okie
<wens> anyway i'm in europe these 2 weeks, so don't expect a response from me during the daytime
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<Seppoz> ssvb: as soon as i modprobe mali my board crashes
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<ssvb> Seppoz: mali clock speed is too high, try to reduce it to ~300MHz
<Seppoz> how?
<ssvb> Seppoz: mali has a divisor in the fex file, which is currently set to 3 for you
<Seppoz> so i use 1?
<Seppoz> or how do i get like 300?
<ssvb> Seppoz: right now you have 1200MHz / 3 = 400MHz, just change it to 4
<Seppoz> ok thanks
<ssvb> Seppoz: but you seem to have an unusual pll4 clock speed
<Seppoz> how is that set?
<ssvb> Seppoz: I think that typically a20 boards set pll4 to 300mhz and mali divisor to 1
<ssvb> Seppoz: it's in the fex file too
<ssvb> Seppoz: can you submit your fex to the sunxi-boards repository?
<Seppoz> i dont have clock settings in my fex, let me change that
<ssvb> Seppoz: who is providing this fex file btw?
<Seppoz> i just added clock part
<Seppoz> i do basically
<Seppoz> but i also tried with the olimex one
<ssvb> it could be that some of the reliability problems are related to wrong pll clock speeds
<Seppoz> same situation for the reboot thing
<Seppoz> Mali device driver loaded
<Seppoz> better now
<Seppoz> will run the memtest now
<Seppoz> 100M fine?
<ssvb> yes
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<ssvb> so you are designing your own a20 board and constructing fex file for it?
<Seppoz> kinda
<Seppoz> we have been using it a long time with A10 with no problems
<Seppoz> now we switch to A20 and hell breaks loose
<Seppoz> i mean we are making process thanks to your suggestion on the voltage
<Seppoz> so basically once it boots everything seems fine
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<Seppoz> but now we have the problem with not booting again
<ssvb> in any case, maybe it's a better idea to contact allwinner?
<ssvb> some other device manufacturers seem to be in touch with allwinner and are solving their problems somehow
<Seppoz> well i guess the issue is on my side so they will just say some chinees blabla and wont help. i tried to contact the board producer merrii
<Seppoz> last time i asked them for the bst dram settings for thier board which is what we are using
<ssvb> there are mostly software people in this channel :)
<Seppoz> and the answer was "you dont need to change that" lol
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<Seppoz> without giving me settings ofcourse
<Seppoz> how are those red and green memtests generated that are on the wiki?
<Seppoz> also how big is the chance that the board wont boot because of misconfigured ram if once it booted the thing works fine?
<ssvb> regarding colored tables, it's explained on the wiki
<Seppoz> which is down xD
<ssvb> yep
<Seppoz> lets finifh the memtestfirst
<Seppoz> and see what this thing is saying
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<ssvb> do you have a hdmi monitor connected?
<Seppoz> no, dont have hdmi
<ssvb> ok, it's not really necessary, but it would be nice to confirm that there is a spinning cube demo really running there
<Seppoz> i see output in console
<Seppoz> its running tests there
<Seppoz> its now running loop 2
<Seppoz> is it just keep looping?
<Seppoz> does that look allright?
<ssvb> yes, but with so many configuration problems that we have seen, we can't be sure that mali is really working
<ssvb> maybe something like fbgrab tool can make a screenshot of the framebuffer :)
<Seppoz> well i added the ppl clock settings and changed the mali divider
<Seppoz> [clock]
<Seppoz> pll3 = 297
<Seppoz> pll4 = 300
<Seppoz> pll6 = 600
<Seppoz> pll7 = 297
<Seppoz> pll8 = 336
<Seppoz> which wasnt there
<ssvb> is mali divider now set to 1?
<Seppoz> [mali_para]
<Seppoz> mali_used = 1
<Seppoz> mali_clkdiv = 4
<ssvb> oh, it means 300mhz / 4 = 75mhz :) might be kinda low
<Seppoz> so 1 wsa ok?
<Seppoz> but this should not effect our memtest right?
<ssvb> yes, the clock speed is derived from pll4 by using the divider
<Seppoz> so all memory tests result OK
<ssvb> well, the test might be probably less efficient if mali is too slow, but can't say for sure
<Seppoz> i can change, give me a sec
<ssvb> yes, the log from pastebin looks good
<ssvb> mali reports its clock speed in the dmesg log, it should be around 300mhz and not exceed something like ~350mhz
<Seppoz> mali clock set completed, clock is 312000000 Hz
<Seppoz> tetsing again
<ssvb> this looks good, same as on other a20 boards
<Seppoz> i see the spinning mali cube on the connected LCD
<ssvb> nice!
<Seppoz> still everything so far OK
<Seppoz> can you tell from that that my dram is configured properly?
<ssvb> just like https://github.com/ssvb/lima-memtester/ says, you can try to increase/decrease the dram clock speed to identify the realistic limit
<ssvb> and then also ensure some safety headroom
<Seppoz> im at 432 now which is absolutely fine with me
<ssvb> for example, you can go up to 480mhz and see if the board still boots and if the lima-memtester detects any problems or not
<Seppoz> when im bored i will absoltely test 600 xD
<Seppoz> now the only problem left is the reboot issue
<Seppoz> you have any magic ideas on that?
<ssvb> usually lima-memtester starts failing at least ~50mhz earlier before the board becomes unbootable
<Seppoz> ok
<Seppoz> safe is good with me
<Seppoz> what else can cause the board to not boot?
<ssvb> what exactly is happening? can you describe the symptoms of this reboot issue?
<Seppoz> beside wrong dram settings?
<Seppoz> well i boot the board
<Seppoz> after i let it sit a bit
<Seppoz> then it boots fine the frst time usually
<Seppoz> if i unplug the power now and plug it right back
<Seppoz> i mean with like 10 secs time
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<Seppoz> it wont boot again
<Seppoz> i dont even see ubot output
<Seppoz> *uboot
<ssvb> does it show any messages on the serial console?
<Seppoz> no
<Seppoz> if this happens
<ssvb> completely nothing?
<Seppoz> i let it sit 5 mins
<Seppoz> than it boots fine again
<Seppoz> yes completely nothing
<Seppoz> so im thinking either there is something wrong with reading from SD
<Seppoz> or the cpu is not powered up properly when power comes on
<ssvb> I have no ideas
<ssvb> maybe the hardware people could help
<ssvb> like the olimex guys
<Seppoz> well i gotta do some meassuring i guess
<Seppoz> what i find strange is
<Seppoz> when i only boot uboot
<Seppoz> i can plug it out and in
<Seppoz> as often as i want
<Seppoz> so im wondering how software could effect that
<ssvb> either way, this reboot issue is unlikely to be related to dram, because the board uses sram initialy and initializes dram later, after printing some messages on the serial console
<ssvb> if you don't see any messages, then it dies even before reaching the dram initialization
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<Seppoz> it migth actually be a bad PSU
<Seppoz> just trieing a different, seem to give me better result. will keep testing
<Seppoz> seems to be the freaking PSU!! dafuq
<Seppoz> i hate china
<wens> the joys of buying stuff from aliexpress/taobao
<Seppoz> xD
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<ssvb> vishnup: did you get any results with libdram?
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<Seppoz> ssvb: even if i send /sdb/reboot i cant restart the board
<Seppoz> *sbin
<Seppoz> so its hard to believe it has somehting to do with the power
<Seppoz> any idea?
<ssvb> Seppoz: so the board does not reboot when you try to run 'reboot'?
<Seppoz> yes
<Seppoz> exactly
<Seppoz> so im having hard time beliving it has to do with power supply
<ssvb> don't know, some of the reboot/poweroff functionality might be AXP specific
<Seppoz> dont even have axp
<mripard_> it usually uses the watchdog though
<Seppoz> and also worked on a10
<ssvb> mripard_: yes
<Seppoz> thats quite confusing
<ssvb> Seppoz: do you have anything axp related in your fex?
<ssvb> Seppoz: any suspicious error/warning messages in the kernel log?
<Seppoz> dmesg | grep axp no thing
<Seppoz> also in fex i disabled axp
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<Seppoz> tomorrow ill meassure if the cpu tries to get stuff from sd
<ssvb> what kind of kernel is that?
<Seppoz> 3.4
<Seppoz> 103
<Seppoz> imo there is 2 options here
<ssvb> Seppoz: as a test, you can try to compile and run 'a10-stdin-watchdog' program from https://github.com/ssvb/a10-dram-tools
<Seppoz> either the cpu is unable to load uboot from sd
<Seppoz> or uboot fails to start
<Seppoz> maybe i said that wrong
<Seppoz> sbin/reboot works
<Seppoz> but it stucks when it should boot again
<Seppoz> its the same problem that happens when i try to power on the oard i believe
<ssvb> well, it might be something hardware related then
<Seppoz> ok but how?
<Seppoz> i mean i dont really touch power
<Seppoz> on reboot command same
<Seppoz> i mean reboot should work in any case
<Seppoz> i would understand if it cant boot when i add power
<Seppoz> but when you use reboot all the power is there allready
<Seppoz> so im quite confused
<Seppoz> wait maybe im wrong anyways
<Seppoz> maybe it just stucks on reboot
<Seppoz> let me dig into this
<Seppoz> where do i enable the sunxi pwm driver?
<Seppoz> nvm found it
<ssvb> Seppoz: what about the FEL button and boot priority pins? I hope none of them are floating?
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<Seppoz> i will verify
<ssvb> Seppoz: actually A20 only has the FEL button (BSP pin), boot priority pins are the things from A31
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<ssvb> Seppoz: if the BSP pin is floating, then the board might be probably sporadically booting in FEL mode
<Seppoz> uboot pin is 220nf to GND
<Seppoz> with btton to GND
<Seppoz> RESET# is hardwired
<ssvb> but just in case, you could probably check if the board is in FEL mode when it fails to boot
<Seppoz> how?
<ssvb> this needs a mini/microusb cable and the 'fel' tool from https://github.com/linux-sunxi/sunxi-tools
<Seppoz> but i need usb device then right?
<ssvb> yes, you need to connect a cable to the USB OTG port and to your PC
<ssvb> as you have the FEL button, you can press it when powering on to boot in FEL mode and experiment a bit
<ssvb> the device should get recognized as something like 'Bus 002 Device 056: ID 1f3a:efe8 Onda (unverified) V972 tablet in flashing mode' in lsusb on your desktop PC
<Seppoz> what is the RESET# pin doing?
<ssvb> well, I guess it just resets the device, some devboards have a reset button and it works fine
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<Seppoz> is reset# an output?
<ssvb> Seppoz: what does a20 datasheet say?
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<Seppoz> resets the board (I)
<Seppoz> well nevermind for now i will need to meassure a bit
<Seppoz> is the FEL pin supposed to be HI or LOW?
<Seppoz> to boot uboot
<ssvb> Seppoz: A20 user manual, "System Boot Diagram" section
<jero> is it possible to configure the swapping of the red and blue channels for all output on an A10 LCD ?
<Seppoz> i cant find a description for the UBOOT_SEL pin in the datasheet
<jero> my avatar issue seems to be these 2 are inverted.
<Seppoz> jero: its more likely wrong timing
<Seppoz> we are talking ttl lcd panel right?
<ssvb> jero: I believe that this is possible
<jero> Seppoz: yes ttl, lcd0/lcd1
<Seppoz> ssvb: whats BSP pin? uboot SEL?
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<ssvb> Seppoz: I guess, it's the same thing with different names
<ssvb> jero: check LAY_BRSWAPEN bit in the A20 manual, this stuff is likely also exposed in fex
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<ssvb> jero: and probably documented in the wiki
<Seppoz> ssvb: when USB boot operation starts would i see any output on the console?
<Seppoz> jero: what panel are you using? you have a ling?
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<ssvb> Seppoz: there is nothing on the serial console in USB boot mode (aka FEL mode)
<Seppoz> ok
<ssvb> Seppoz: the device should get recognized as something like 'Bus 002 Device 056: ID 1f3a:efe8 Onda (unverified) V972 tablet in flashing mode' in lsusb on your desktop PC
<ssvb> Seppoz: if you have a usb cable connected
<Seppoz> ok i will need a host->dev converter first
<ssvb> Seppoz: isn't it just a regular USB cable like the one used for charging a phone?
<ssvb> Seppoz: if that's a microusb connector
<jero> Seppoz: seems to be a at070tn90
<ssvb> Seppoz: and in the case of a miniusb connector, you can get a cable from any USB hub
<Seppoz> ssvb: only got physical usb host
<Seppoz> jero: we use AT070TN92
<Seppoz> are u using any particular hardware
<Seppoz> like A13_LCD7 or so
<Seppoz> whats your hardware
<jero> Seppoz: it's a AWSOM-A10 system on module,
<Seppoz> jero: check the A10 schematics of olimex
<Seppoz> they have nearly same panel
<jero> good, i'll have a look
<Seppoz> compare the wiring
<Seppoz> and see if something is different in yours
<ssvb> jero: what kind of kernel is that? for the sunxi-3.4 kernel you can probably change 'fb0_pixel_sequence' in fex from 0 to 2
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<jero> ssvb: I use sunxi-3.4, top of the branch
<jero> ssvb: tried that, but it had no effect
<ssvb> jero: btw, why is there no fex for awsom-a10 in https://github.com/linux-sunxi/sunxi-boards/tree/master/sys_config ?
<jero> ssvb: there is no fex :) I was able to get one from awsom, planning to publish this on the wiki/repos soon
<jero> but it was not trivial
<ssvb> jero: thanks!
<Seppoz> first please check your wiring
<ssvb> jelly: what is not trivial?
<Seppoz> make sure its really swapped
<ssvb> oops, s/jelly/jero
<jero> Seppoz: I fear my wiring 'may' be swapped, but redesigning the pcb will be much more complex than if I can swap this in s/w
<Seppoz> make sure its swapped and we go from there
<jero> ssvb: not trivial to get in touch. but I finally got a fex
<jero> then did the required porting to get the som working on top of the linux-sunxi.org uboot and kernel main branches
<ssvb> jero: there could be other options to software swap R and B, but the wiki is down at the moment...
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<jero> :) thx ssvb i'll make sure if this is a wiring issue or not first.
<Seppoz> please also post your lcd0_para fex settings
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<interrobangd_> when will be the server go online?
<Turl> interrobangd_: when it goes online :)
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<Seppoz> which is the voltage that triggers the boot in the cpu?
<Seppoz> the boot procedure
<Seppoz> which voltages do i need to provice to cause boot to start
<Turl> Seppoz: iirc those are explained on the datasheet
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<steeve> hey folks, does anyone has any success with AP6210 and brcmfmac ?
<steeve> i'm trying to replace bcmdhd with brcmfmac, but the device never probes
<steeve> s/device/driver
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<mmarker> Hmm. Is there a way to hard reset a A20? Looking to wire up a hardware reset. I can pull the plug, but looking for something simpler like a pin I can pull high or something.
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