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<plaes>
who 128K :)
<plaes>
*whoa :D
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<KotCzarny>
interesting
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<wens>
karlp: yeah
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<Net147>
anarsoul: I was able to get A20 to output 3840x2160 15 Hz
<catphish>
Net147: using the frontend or not?
<Net147>
catphish: using only the backend to output using HDMI
<catphish>
i read that the frontend has superior dma, so wondered if you could actually get more by adding it into the pipeline
<catphish>
but i've not pushed the limits myself
<Net147>
catphish: I haven't tried using Mali at that resolution
<catphish>
i wasn't thinking of mali
<catphish>
just DEFE
<catphish>
i don't have a 4k receiver, so i can't test myself
<Net147>
catphish: might be interesting to try the frontend. what version of the kernel is it in?
<catphish>
i actually don't know if it's in the kernel or not, i've seen patches though, so it might be, but all my experience of this is bare metal that i've been playing with
<catphish>
it's been in the kernel since january, not sure about what versions
<catphish>
it might be that you're already using it
<Net147>
catphish: okay, I will give it a try. I am using 4.19.x at the moment
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<catphish>
it looks like it's in 4.19 :)
<catphish>
not sure how one enables it, or maybe it's the default for a10/20 now
<Net147>
catphish: that is interesting because I wasn't able to get this resolution with 4.14
<catphish>
yeah frontend is not present in 4.14
<catphish>
so that'll be it, you're using it now
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<catphish>
the frontend reads the framebuffer from memory and feeds it to the backend, it also supports scaling, and apparantly is faster then using the backend directly
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<catphish>
well good that it offers some improvement anyway, shame you've probably reached the limit now
<Net147>
catphish: I don't think it is using the frontend at the moment. the frontend only has allwinner,sun8i-a33-display-frontend compatible.
<catphish>
interesting
<catphish>
you want sun4i_frontend
<Net147>
catphish: sun7i-a20.dtsi has allwinner,sun7i-a20-display-frontend
<catphish>
that'll be it
<Net147>
catphish: the thing is, when I was using 4.14 it was with lots of sun4i A20 DRM stuff backported. so there may have been some improvements between 4.14 and 4.19.
<catphish>
i'm afraid i don't know the details there
<Net147>
catphish: how is your bare metal stuff going by the way?
<catphish>
pretty good really, at least the graphics output is all working, and i have a little sprite rendering engine that works https://imgur.com/RxBJJ9t
<catphish>
i've been playing around with FM sound synthesis, the rough goal is to make an API the approximates the functionality of a 16 bit games console
<catphish>
i'll probably get bored at some point since i have no skill when it comes to writing games :) but it's been fun writing the graphics and sound sythesis stuff
<KotCzarny>
publish it, do some ads around and attract people?
<catphish>
well if i get as far as finishing the graphics, sound an input APIs, i'll publish it and see if anyone is interested in making a game :)
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<KotCzarny>
most easy targets are already done sinc '70s
<KotCzarny>
but maybe instead of game, it might do some specialized tasks, visualizations, dj instruments etc
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<Net147>
for some reason a game like F.Godmom comes to mind...
<KotCzarny>
:)
<KotCzarny>
looks like montezuma's revenge clone
<catphish>
really i'm not doing anything that cant be done under linux
<catphish>
just wanted to learn about the hardware
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<catphish>
KotCzarny: interesting idea, not sure it's anything that can't be done more effectively under linux
<catphish>
regardless, it's interesting to play with :)
<KotCzarny>
yeah, possibilities are endless
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<Net147>
catphish: where did you read about the frontend being faster?
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<karlp>
wens: well, at least on h3, I get no mac in uboot, and random macs every boot in linux, with or without the alias for ethernet0
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<wens>
karlp: the code to generate the macs is in board/sunxi/board.c : setup_environment()
<wens>
karlp: it's written back to the dt in common/fdt_support.c : fdt_fixup_ethernet()
<karlp>
huh, interesting, I wasn't expecting modified devicetrees :)
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<wens>
if you're using bootm/booti u-boot should patch the device tree passed in
<BenG83>
I get random macs on H6 atm with 2018.11
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<Net147>
catphish: the linked article says A20 is not affected, only A10. at 1080p anyway.
<catphish>
Net147: oh, that's very interesting, i hadn't appreciated that, i guess you must have been seeing other improvements between .14 and .18 then :)
<catphish>
i'm just reading up on how to boot the sunxi, unfortunately right now i feel like i'll need a PHD to be able to understand this
<catphish>
just ordered a H3 to play with too :)
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<BroderTuck>
Looking for some assistance.
<BroderTuck>
Trying to get the usb-connected 8723as wifi chip working on my device, and in the fex file there's this:
<KotCzarny>
but as mentioned, wl_reg_on is to turn the enabler gpio of sdio card
<BroderTuck>
Yes, it ends with s, but the chip has 2 modes. First is wifi over sdio and bt over uart, second is usb for both. On this device the second mode is used.
<buZz>
alright, if you want to use usb my questions apply
<buZz>
18:39:00 < buZz> BroderTuck: do you see the device in lsusb? do you see the driver getting loaded in dmesg ?
<BroderTuck>
buZz: Under Android on the Nand i see it under lsusb, yes. Not so far under mainline linux, but I believe that's because the device doesn't get enabled properly.
<buZz>
is USB working at all on your device?
<mru>
is usb ever working? :)
<KotCzarny>
on bpi-r1 i also have sdio connected wifi that is seen in lsusb
<KotCzarny>
still, sdio rules apply
<buZz>
ah, could be the android switches the device to 'usb mode' somehow
<KotCzarny>
you can always toggle the pin yourself and check if it shows in lsusb
<buZz>
never knew that was possible for a rtl8723 :P
<KotCzarny>
although model ends with u on bpi-r1
<BroderTuck>
'toggle the pin myself'... and how do I do that? Non-debian-based recipe please.
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<beeble>
exporting the pin as gpio in /sys/class/gpio
<beeble>
setting it to output and write 0/1 to value
<beeble>
if it's showing up after that. define a gpio based regulator in your dts and set it as usbX_vbus-supply in your usbphy section
<BroderTuck>
in the u-boot dts, the kernel dts, or both?
<beeble>
kernel
<beeble>
but try first to toggle the pin by hand to see if it works at all
<buZz>
wish arm builders would adopt that formfactor more
<ullbeking>
u haven't gone to a2 yet, i'm still using a1sri-2[357]58f for everything
<buZz>
this board was just out and i needed a new server
<ullbeking>
to me, the new atom boards are still cutting edge
<ullbeking>
my friend bought one and couldn't get opnsense to run
<buZz>
yeah its quite fast
<ullbeking>
i'm going to get one of the new ones next year sometime
<ullbeking>
but in the meantime these c2000 series are fine
<ullbeking>
what are you using it for buZz ?
<buZz>
ullbeking: running ~30 LXC 'vms'
<buZz>
with proxmox
<ullbeking>
awesome
<buZz>
just 25w , with spinning disk and NVMe as cache
<buZz>
:P
<ullbeking>
the thing i like is that they are fnaless
<buZz>
(yeah total waste to use NVMe as cache but i was out of sata ssds, and 1GB/s reads is nice)
<ullbeking>
fanless*
<buZz>
ullbeking: yeah but it does run kinda hot :) ~65C 24/7
<jelly>
16MB cache, ECC support, 256GiB max, IPMI? How is that _not_ a real server!
<buZz>
jelly: well, its a ~400 euro board :P
<ullbeking>
the c2000 series can support up to 64 GB but nobody ever made the RAM modules to go that high so in reality they only go to 32 GB
<buZz>
the c3000 goes up to 16 cores
<buZz>
i almost got the 12 core version , but that couldnt be run fanless
<ullbeking>
at one point i thought i should just build me ceph cluster out of 2758f's
<buZz>
and 'officially' the 8core cant either :P
<ullbeking>
that would work fine
<ullbeking>
oh....
<ullbeking>
hang on, i need TWO nics per OPi+2E for Ceph
<ullbeking>
i've heard of people using usb-to-ethernet adapters for that
<ullbeking>
it's gross, but it might do the trick
<ullbeking>
or maybe there's a way to modify ceph so you can just plug usb-to-usb directly between the nodes... hmmm
<buZz>
usbethernet is pretty dang slow
<ullbeking>
not good for a replication network eh
<KotCzarny>
yup, usb can act as ethernet
<ullbeking>
maybe i just scrap the ceph idea for the opi+2e cluster and use other techniques for redundancy instead
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<ullbeking>
or... considering that they are kinda slow, maybe both storage objects AND replication data can travel on the same 1 GbE link... i won't know until i do some experiments
<ullbeking>
ok cool, well thanks for the info all
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<BroderTuck>
buZz: beeble: Now this is silly. echo 359>export and echo "out">gpio359/direction is enough to make it appear in lsusb and work with the rtl8xxxu driver
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<buZz>
BroderTuck: so you confirmed the suspiscions
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<BroderTuck>
indeed. the silly part is that i don't need to write 0 or 1 to the pin, it starts working as soon as "out" is written to direction.
<beeble>
the pin has a default state. you can't set it to out without the pin getting into a defined state
<beeble>
most likely the line is now low (0)
<beeble>
but you can also confirm that by writing 1 into value and see if it disappears
<BroderTuck>
beeble: yes, it dows
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<beeble>
BroderTuck: then you now know everything you need. create a gpio-regulator with that pin and set it to enable-active-low
<BenG83>
but the UM only talks of 24Mhz in the whole section
<BenG83>
Thermal Sensor Clock Sources
<BenG83>
OSC24M
<BenG83>
Clock Sources
<BenG83>
Description
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