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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<t3st3r> swiftgeek> I do not have personal exerience with it YET, just randomly stumbled on that on github and got idea it slightly resembles your wish.
<t3st3r> TBH I never thought proprietary broadcom things could be interesting.
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<swiftgeek> t3st3r: well not so proprietary anymore
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<TheSeven> hmm this SPI core is acting weird
<TheSeven> can someone explain the following registers to me?
<TheSeven> SDM (Master Sample Data Mode), SDC (Master Sample Data Control), RPSM (Rapids mode select), DHB (Discard Hash Burst), WCC (Wait Clock Counter), MBC (Master Burst Counter), MWTC (Master Write Transmit Counter), STC (Master Single Mode Transmit Counter)
<TheSeven> lots of these seem to be redundant or don't have any sensible explanation at all
<TheSeven> comments in allwinner source are helpful as usual: /* set transfer total length BC, transfer length TC and single transmit length STC */
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<paulk-gagarine> mhh
<paulk-gagarine> I'm porting a tablet to mainline Linux and can't get the i2c touchscreen to work
<paulk-gagarine> basically reading the same register twice corrupts it
<paulk-gagarine> I've lowered the clock from 400 KHz to 100 but no better
<BenG83> do you have a small I2C logic analyzer?
<KotCzarny> maybe it needs special treatment and documentation
<KotCzarny> or it's some kind of 'data available' reg
<KotCzarny> which gets set on read
<paulk-gagarine> KotCzarny, it's the version info register
<paulk-gagarine> BenG83, I do, but it's a tablet so I'd rather avoid it :p
<KotCzarny> is the whole word documented?
<paulk-gagarine> yeah probably
<paulk-gagarine> it's https://linux-sunxi.org/GSL1680
<paulk-gagarine> I'm pretty sure people use it with mainline already
<paulk-gagarine> there are dt bindings
<KotCzarny> 0xF0: PAGE register. Contains the memory page number currently mapped in the 0x00-0x7F registers.
<KotCzarny> erm. 0xfc is not documented
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<paulk-gagarine> right
<paulk-gagarine> the actual issue I'm having is with the kernel driver:
<paulk-gagarine> [ 1.597030] i2c i2c-2: mv64xxx_i2c_fsm: Ctlr Error -- state: 0x6, status: 0x0, addr: 0x40, flags: 0x0
<paulk-gagarine> [ 1.606279] silead_ts 2-0040: Registers clear error -5
<paulk-gagarine> it's silead_ts in drivers/input/touchscreen
<paulk-gagarine> I've tried increasing the delays after the gpio toggle
<KotCzarny> does it need correct firmware uploaded before operating?
<paulk-gagarine> and skipping the initial read of this register in case it was the sole culprit
<paulk-gagarine> KotCzarny, that at this stage
<paulk-gagarine> this is before uploading the firmware
<paulk-gagarine> fails at writing SILEAD_CMD_RESET (0x88) in SILEAD_REG_RESET (0xe0)
<paulk-gagarine> perfectly legit
<KotCzarny> reset seems complicated
<paulk-gagarine> KotCzarny, mainline fails at the very first step
<DonkeyHotei> i tried mainline on an a33 tablet and literally the only hardware i got working was simplefb
<DonkeyHotei> i got audio half working
<DonkeyHotei> but no bt or touchscreen or mali or wifi
<DonkeyHotei> usb otg broken too
<DonkeyHotei> i should try again with a more recent kernel build
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<paulk-gagarine> well mali is to be expected
<paulk-gagarine> wifi can be tricky
<KotCzarny> DonkeyHotei: you might try asking moeicenowy, she played with a33 a lot in the past
<DonkeyHotei> i asked her at the time
<DonkeyHotei> it's been a few months
<ssvb> what kind of tablet is that exactly? does it have a page at the linux-sunxi wiki?
<KotCzarny> according to status matrix a33 is pretty well supported
<KotCzarny> it doesnt cover external devices though
<ssvb> a33 is a soc name and has nothing to do with the tablet model
<ssvb> various tablets may have very different touchscreens and other peripherals
<KotCzarny> yes, that's why i've said about external devices (from soc point of view)
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<KotCzarny> does it really come with android6 ?
<DonkeyHotei> there was no mention of android6 anywhere but that webpage. look: https://www.frys.com/product/8659330
<ssvb> DonkeyHotei: you can check https://linux-sunxi.org/New_Device_howto to find some instructions which may help you to get started
<KotCzarny> might be just kitkat
<KotCzarny> with fake labels
<DonkeyHotei> how can i tell whether it's really 5.1?
<KotCzarny> well, you can try kodi 17
<KotCzarny> :)
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<BenG83> paulk-gagarine, do you need to enable internal pull-ups?
<ssvb> DonkeyHotei: if you don't have a correct dts file for your tablet model, then you should expect various peripherals (wifi, touchscreen, ...) not working correctly
<ssvb> DonkeyHotei: and if you are just randomly trying random dts files for a33 tablets, then you may even damage your hardware
<BenG83> state: 0x6, status: 0x0, addr: 0x40, flags: 0x0
<paulk-gagarine> BenG83, not according to the fex file
<DonkeyHotei> ssvb: it wasn't just the dts
<BenG83> do we know what that state is?
<paulk-gagarine> nope
<paulk-gagarine> but I'm not so much into debugging the I2C FSM
<DonkeyHotei> and i was basing the dts on the recovered fex
<DonkeyHotei> extracted the gsl1680 firmware etc
<BenG83> looks like MV64XXX_I2C_STATE_WAITING_FOR_SLAVE_ACK
<BenG83> and MV64XXX_I2C_STATUS_BUS_ERR
<BenG83> so either lines are blocked, no pull-ups or the TP controller is not ready?
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<ssvb> DonkeyHotei: since you made no progress in a few months, you are probably doing something wrong
<DonkeyHotei> i put it aside for a while in december
<ssvb> DonkeyHotei: and because there is no wiki page for your tablet, extracted fex file or any other useful information, nobody else can realistically help you
<DonkeyHotei> i posted the fex before
<ssvb> having wiki pages is the standard way to share information about various sunxi devices
<DonkeyHotei> i should probably create a wiki acct
<BenG83> "The device is not designed to
<BenG83> active signifies that a new data packet is available."
<BenG83> be polled, as it only presents data packets when internal changes have occurred. The IRQ line going
<BenG83> and
<BenG83> "When power up, IRQ line will go low and the interrupt message in the memory mapped register
<BenG83> show it’s a power up interrupt. "
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<paulk-gagarine> mhhh I was wondering why USB OTG wasn't working on this tablet
<paulk-gagarine> BenG83, there's supposed to be external pull-ups
<paulk-gagarine> but maybe I'll give internal pullups a shot too
<paulk-gagarine> although that's not on the fex
<paulk-gagarine> anyway, I had forgotten CONFIG_USB_OTG for USB OTG
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<BenG83> paulk-gagarine, does the TP controller set that power-on IRQ flag?
<Turl> [o/ totally offtopic, but does anyone know how to enable the wechat pay/wallet part of the app?]
<paulk-gagarine> BenG83, not sure
<paulk-gagarine> I'll look into that later
<paulk-gagarine> I'm debugging USB OTG now
<paulk-gagarine> I got the accelerometer to work in the meatime
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<kristina> did you guys work out if there's a magic way of enabling secure mode without blowing otp fuses?
<kristina> (been a long time since i looked at the topic)
<kristina> from what i gathered there may or may not be a way but it happens to early in boot to actually find out how the switch happens based on the state of that one fuse.
<kristina> too*
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<DeVance> Hello.
<DeVance> Is Anybody alive here ? :)
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<kristina> from what i last heard it was assumed that LCJS_SECURE_BOOT was tied into hardware logic which happened before CPU came out of reset.
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<DeVance> Does anybody have a link to img of Q7S-V2.0 A31s board?
<DeVance> Sorry for intechnical question, but I can't found it all over the Internet.
<DeVance> Exactly, I'm trying to find firmware for Trekstor SurfTab Xiron 7.0 HD, but only .zip file are supplied without .img
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<BenG83> is anyone using a A64 based tablet atm?
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<BenG83> looking at Yuntab B102 to build a portable IP camera monitor
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<BenG83> I know it's based on AW's tulip-p1 reference design so at least I have a fex file to start from for making a dts
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