rellla 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 - *only registered users can talk*
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<wens> samrose: the schematics are available, those are easier to read
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<wens> Your mail to 'linux-arm-kernel' ... Is being held ... Message has a suspicious header ...
<wens> that's new
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<plaes> hrm.. I have no idea how to debug/fix this eMMC / mp clock breakage further...
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<samrose> thanks wens
<mru> the schematics for all those chinese boards tend to be rather horrid
<mru> I don't know what software they're using, but it sucks
<samrose> mru: I actually have a connection to the manufacturer in this case, but they usually just respond "that should work"
<samrose> I am downloading the built image now and will test it, but I am almost certain it will work now
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<megi> Hi, I'm having trouble with ethernet on H6. It seems to work, but only somewhat. Anyone had any success with H6 ethernet?
<megi> It behaves weirdly, ARP doesn't work, but when I ping from other machine, it tries to send ARP packets with that machine's IP.
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<montjoie> megi: h6 on which board ?
<megi> Orange Pi 3
<megi> it looks like tx doesn't work
<montjoie> probably a regulator thing
<megi> which seems to explain the behavior quite nicely
<megi> rx works
<megi> hmm
<mru> make sure pinmux is correct
<megi> I've checked that
<megi> by comparing registers between aw and mainiline kernel
<montjoie> megi: rx working and tx not working is generally(in my collected xp) phy not enough powered
<mru> are all the chips properly soldered to the pcb?
<megi> it works with aw kernel
<mru> ok, that rules out hw defects
<mru> (maybe I spend too much time with prototype hardware)
<montjoie> megi: op3 is not in linux, so where do you get the dtb ?
<megi> my own
<megi> + something from Icenowy
<montjoie> megi: copy it on some pastebin
<mru> my instinct is to start checking the phy signals with a scope
<megi> i've comared syscon 0x30 register values and made sure they're the same under aw and mainline kernels, pinctrl funcs are the same on all relevant pins
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<megi> ahh, I missed some TX pins
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<megi> scratch that, pin config is fine, I was looking somewhere else
<mru> so you can receive packets but not send any?
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<megi> I can't see incomming packets in tcpdump, but whenever I ping from the other side, I see H6 device trying the ARP immediatelly with other side's info
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<montjoie> megi: could be the delay also
<megi> the one that's set in syscon?
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<montjoie> megi: the allwinner,tx-delay-ps
<megi> montjoie: that will not be it, that's 0 in aw kernel and it works
<montjoie> megi: why do you set gmac to 2.5v
<montjoie> other rgmii are 3.3
<megi> there are two power supplies to the phy, 2.5V and 3.3V
<megi> this is the 2.5V one and it also enables 3.3V one via supply-vin
<Putti> is anybody working on abgr8888 (android) pixel format support for exynos drm fimd / is it available in some non-mainline repo?
<Putti> oops, wrong channel
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<montjoie> megi: does aw do 2.5 ?
<megi> it's a fixed regulator, you can only enable it or disable it
<megi> via gpio
<megi> voltage value in the dts is only infomrative
<montjoie> regulator-max-microvolt = <2500000>; you can change it
<megi> you can, but the regulator will do only 2.5V anyway
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<montjoie> megi: pine64 have regulator-enable-ramp-delay forthe ac200
<megi> montjoie: pine64 is different
<megi> it has 3.3V signalling between phy and mac
<megi> orange pi 3 has 2.5V signalling, and needs additional 2.5V regulator to enable this
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<plaes> megi: what regulator does it have?
<megi> plaes: LP3987H-2.5BA
<plaes> oh..
<megi> it's probably just a linear regulator
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<megi> for the digital io on RTL8211E
<plaes> ok, I thought it's axp and therefore related to the wrong mask variable
<megi> plaes: I fixed the mask :)
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<megi> i don't get how when H6 PD port gets supply from 3.3V and phy IO supply is 2.5V, how is this supposed to be a sane setup
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