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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<mirko> DonkeyHotei: can't test right now - are you at this year's CCC (Chaos Communication Congress) in Leipzig by any chance?
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<TheSeven> I'm having a hard time getting linux to detect SPI flash on my orange pi zero as an MTD device
<TheSeven> I'm seeing this symlink: /sys/devices/platform/soc/1c68000.spi/spi_master/spi0/spi0.0/of_node -> ../../../../../../../firmware/devicetree/base/soc/spi@1c68000/flash@0
<TheSeven> so I guess the device tree is mostly correct at least
<TheSeven> but /proc/mtd doesn't show anything but the column headers
<TheSeven> CONFIG_MTD_SPI_NOR=y is set of course... what am I missing?
<TheSeven> flash@0 is marked compatible = "mxicy,mx25l1606e", "winbond,w25q128", "jedec,spi-nor";
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<wens> icenowy[m]: my bpi-m2+ h5 is scorching hot :/
<lvrp16> wens: do they have it set to 1.2v or 1.1v?
<icenowy[m]> lvrp16: 1.3V!
<lvrp16> if they set it to 1.2v, it's going to be way hot. the soc is spec'ed for 1.008GHz @ 1.1v.
<lvrp16> wtf???
<icenowy[m]> yes, at least the H3 ver is verified to be at 1.3V
<icenowy[m]> they seems to only altered SoC when making H5 ver
<lvrp16> jesus...overclock wars?
<icenowy[m]> In some early samples it's 1.4V
<lvrp16> facepalm
<lvrp16> at 1.4V, you'll start getting problems with a year...
<wens> lvrp16: it's the same board, so ...
<lvrp16> and that's with a heatsink
<lvrp16> electromigration at 1.35v+ on 40nm at high temps is a huge issue
<wens> with the bpi zero i think they went with the i2c controlled regulator
<lvrp16> they completely missed the point of the Raspberry Pi Zero
<wens> I think the case takes part of the blame... it's mostly sealed
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<lvrp16> anything other than dual core a7 or a35 on 28nm is a mistake
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<DonkeyHotei> mirko: no, i am not. maybe someday…
<wens> lvrp16: the h3/h5 is not suited for sealed cases :/
<DonkeyHotei> wens: what about h2+
<wens> don't know. don't have one
<DonkeyHotei> the only banana pi zero i see on the banana pi aliexpress shop is h2+
<DonkeyHotei> and no case
<DonkeyHotei> the orange pi zero is also h2+, with a sealed case
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<lvrp16> those things are a disaster
<lvrp16> you can't clock it past 800mhz without overheating
<lvrp16> but they advertise it as 1.3ghz
<wens> iirc iron??? sells ventilated cases on taobao
<wens> might have to get those
<wens> not for the m2+... that sucks :/
<DonkeyHotei> are there heatsinks/cases for the bpi m2 zero?
<DonkeyHotei> (h2+)
<icenowy[m]> wens: bpi m2 zero uses 1.1/1.3v gpio regulation
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<mirko> DonkeyHotei: i'll pack the opizero and bring it with me to the congress to try out
<mirko> if i need to do anything further than compile in usb gadget support let met know
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<DonkeyHotei> mirko: i was only curious
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<KotCzarny> montjoie: how much code would it need to implement wake-on-lan on baremetal?
<KotCzarny> (asking about network part only)
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<TheSeven> hmm... still messing with that SPI flash, and I have no idea what I'm missing
<TheSeven> it just doesn't show up on linux, and I'm not quite enough of a device tree expert to figure out why ;)
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<pgreco> Does anybody know if usb should be working on bpi-m2U (r40)?
<pgreco> according to the status matrix it should be, but I can't get it to detect anything off usb
<BenG83> everything enabled in your config?
<pgreco> should be, I may be missing some "modprobe", but don't know which ones to test
<pgreco> The same image (Fedora rawhide with kernel 4.15rc4) works ok on my bpi-m3 (a83t)
<BenG83> anything missing in the dts?
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<pgreco> BenG83, no, dts is the same on my config as in next-20171222
<pgreco> and last commit is "enable usb"
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<pgreco> icenowy[m] ^^
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<TheSeven> gah...
<TheSeven> if anyone ever runs into the same thing... turns out that CONFIG_MTD_SPI_NOR isn't what you need. it just unlocks CONFIG_MTD_M25P80 which handles all kinds of SPI flash, not just M25Pxx
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<montjoie> KotCzarny: do not know, according to usermanual, it is PHY which do that part, and it is not documented
<KotCzarny> oh, that might be interesting then
<KotCzarny> ie. not having to write whole packet engine
<KotCzarny> bad thing it's undocumented
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<KotCzarny> montjoie: then again, how much code would it require (in ~lines) to write basic bare-metal driver that would only need to check for specific packets?
<KotCzarny> The magic packet is a broadcast frame containing anywhere within its payload 6 bytes of all 255 (FF FF FF FF FF FF in hexadecimal), followed by sixteen repetitions of the target computer's 48-bit MAC address, for a total of 102 bytes.
<KotCzarny> so basically just a data sniffer
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<DonkeyHotei> are there any cheap boards that have a second uart already exposed in the dts with rts/cts?
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<pgreco> DonkeyHotel: bananapi m1?
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<DonkeyHotei> there is no L in my nick, so i did not get pinged
<pgreco> DonkeyHotei, sorry, typo...
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<icenowy[m]> DonkeyHotei: you can modify the DT
<DonkeyHotei> icenowy[m]: yeah, but not every board has the pins exposed
<DonkeyHotei> and it looks like the m1 does not
<kevans91> icenowy[m]: Hey, question... was there any status on verifying the rgmii-txid change for Pine64 that you had proposed?
<icenowy[m]> kevans91: I nearly abandoned it
<icenowy[m]> the Ethernet PHY maintainer required too much things that is beyond my knowledge
<icenowy[m]> and I cannot get more info from Realtek
<kevans91> icenowy[m]: =( I understand
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<DonkeyHotei> looking at the dts for the nanopi m1+, the second uart in it looks like it's not actually exposed on the board, but two are that aren't in the dts
<DonkeyHotei> weird
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<DonkeyHotei> and the same situation with the bananapi m2+, but in reverse
<DonkeyHotei> looks like wens was responsible for that one
<DonkeyHotei> uart1 vs. uart3
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<kevans91> icenowy[m]: Might not be ideal for what you're wanting, but can we at least get Pine64 folk to confirm that rgmii-txid is how the PHY needs to be configured and get the .dts change in? I might be able to get one of these in the hands of someone that can verify the register-writes if so
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<icenowy[m]> kevans91: everyone can cherry-pick my patch if he/she think it propriate
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