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<omar_mahboubi>
i found a sun7i (A20) generic tablet, but i couldn't really identify it properly.
<omar_mahboubi>
closest i found was Inet k70hc in the style of the build and motherboard (they look really alike, though not 100% the same)
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<gamiee>
I remember that Secure boot could be bypassed by FEL in older gen of the SoCs. Was this fixed with H6 or later?
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<junari>
apritzel: It looks like something is not working when using two axp chips. My boards hang when trying to set the max frequency on big cores. What could it be?
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<junari>
I made a little hack, as I plan to use the same kernel for several of my devices until a proper patch is ready
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<apritzel>
junari: please don't invent any hacks involving creating DT properties, that's only asking for trouble. I am pretty sure there are hacks around this without DT involvement, like you could catch the sysfs error and ignore it
<junari>
of course. As soon as I have more time for that
<junari>
What's interesting is that if I reboot into android and then reboot into linux, the voltage on axp323 set successfully
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<omar_mahboubi>
so after some work researching the actual model of this tablet, it seems to be a Aoson M713 (running sun7i)
<omar_mahboubi>
mainboard is S738H-MAINBOARD-v1.0.0 DZKG-013 2013.04.12
<omar_mahboubi>
and it also seems to have a Goodix GT910 touchscreen IC if that could help identify the device
<omar_mahboubi>
weird part is, even the Aoson M713 is relatively unknown, and it also seems to be a Topwise copy, but i couldn't find which model
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<omar_mahboubi>
in fact, 100% of the content i found about the Aoson M713 is that it's the actual name for the tablet in question (branded a Condor CTAB700L)
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<omar_mahboubi>
i've also found a corresponding firmware for it, if it could help identify it
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<apritzel>
omar_mahboubi: what are you after, exactly? this was before my time, but IIUC many of those tablets were basically the same, at least from the software perspective?
<apritzel>
so why would you want to pin a specific name or model on it?
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<omar_mahboubi>
by looking at the sunxi wiki it really seemed like to get Linux properly working (or U-Boot) you needed to know the model, since the instructions seemed different for every manufacturer
<omar_mahboubi>
apritzel: or can i run it on any sun7i model?
<apritzel>
sun7i is probably too generous (as it means "A20 SoC", really), but if you find a supported tablet that seems the same, you should be able to use that for building firmware
<omar_mahboubi>
btw, since barely anything in documentation exists for this device, should i attempt using the mainline tools (u-boot, kernel) or legacy?
<omar_mahboubi>
apritzel: sun7i is about the only thing i have found in common with these devices (well, at least with 100% confidence)
<omar_mahboubi>
and i also have extracted boot1.header and script.bin. how can i use them?
<apritzel>
what do you want to do, really? use it as an Android tablet? Or experiment with Linux?
<omar_mahboubi>
apritzel: run Linux on it (or at least experiment)
<omar_mahboubi>
it already runs Android, and whatever version, will be useless. plus half of the touchscreen is gone so there's that
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<apritzel>
well, then mainline it is, I guess ;-)
<apritzel>
there are not too many A20 tablets, so I guess you base something on sun7i-a20-wexler-tab7200.dts?
<apritzel>
(not too many A20 tablets with mainline support, I mean)
<omar_mahboubi>
trying doesn't hurt. but how will i deal with U-Boot?
<apritzel>
Wexler_TAB7200_defconfig?
<apritzel>
(and trying might hurt, as in: wrong voltages or GPIOs might harm the device)
<omar_mahboubi>
well, can i start with legacy then (since i have the .fex)?
<apritzel>
so I suggest you trim down the DT and defconfig, to remove anything you will not need initially. Or verify that the settings are correct by looking into the .fex
<apritzel>
do you have serial? If not, it might be good to try to get that first
<omar_mahboubi>
i don't have any USB to UART or the like. probably the closest thing is an ESP32 board lying around
<omar_mahboubi>
but hey, UART is clearly exposed and labeled
<apritzel>
it would be very helpful to connect to the UART first, otherwise you are poking mostly in the dark
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<omar_mahboubi>
well yeah, that's true
<omar_mahboubi>
i'll see what i can do with that ESP32
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<gamiee>
Hi! I want to ask, The HDMI upstreaming for H616 will continue after initial DE3.3 support will be merged?