<JuniorJPDJ>
Can someone help me with making audio work on A31s tablet?
<[TheBug]>
If I am seeing * First descriptor is NOT a primary desc on 0:1 ** what does this actually signify?
<[TheBug]>
considering the line preious is Trying to boot from MMC1
<[TheBug]>
this is happening in u-boot
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<banned-why>
hello
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<MoeIcenowy>
jernej: do you have arm64 linux fbdev driver for t720 and some test programs?
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<MoeIcenowy>
found the driver
<MoeIcenowy>
jernej: test.c in gh:linux-sunxi/sunxi-mali works
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<banned-why>
found a local website that do contain the .bin and necessary files of my a10 firmware(I presume) but they charge you for it
<banned-why>
lol
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<plaes>
o_O
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<MoeIcenowy>
jernej: btw will real r22p0 work with 02-restore-old-api.patch applied?
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<MoeIcenowy>
mripard: have you checked my T720 binding for H6 yesterday?
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<jaganteki>
anyone found this i2c issue on A64 - i2c i2c-0: mv64xxx: I2C bus locked, block: 1, time_left: 0
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<montjoie>
jaganteki: hit it also
<montjoie>
not sure if it is on a64 or another one
<wens>
if it's locking up, either the device on the bus isn't powered and is accidentally pulling the lines down, you're missing pull-ups, or the pins aren't powered
<wens>
get a scope and check the levels
<jaganteki>
appened, bias-pull-up property on i2c pins
<jaganteki>
I have not added any slave node.. just added i2c0 with pins and testing via i2cdetect
<wens>
is there anything connected on the bus?
<wens>
a camera sensor perhaps?
<wens>
bias-pull-up is very weak. don't expect it to work when another device on the bus is misbehaving
<jaganteki>
I just removed all nodes for testing, and added only only i2c0 (no slaves)
<wens>
jaganteki: I'm not talking about nodes. I'm talking about actual hardware
<wens>
jaganteki: it really doesn't matter what your device tree says, what matters is the hardware
<wens>
anyway, make sure the pins are muxed, the pins are powered, any devices that are connected are powered and best out of reset
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<jaganteki>
wens, I don't see any explict regulator attached to i2c0 or so, checking power here mean the attached devices regulator or so?
<wens>
VCC-P?
<wens>
hmm, I2C0 is on PH, so no dedicated supply
<wens>
I'd say testing it with the pins muxed, with bias-pull-up, but without actual devices connected
<wens>
it might still lock up though
<plaes>
wens: your RTC patchset has two patches labelled 07/15
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<jaganteki>
the setup connected with panel, and touchscreen is on i2c0
<plaes>
[PATCH 07/15] rtc: sun6i: Add support for all known variants
<jaganteki>
i think this can be a read devices connected
<plaes>
[PATCH 07/15] rtc: sun6i: Add support for all known pre-H6 variants
<wens>
jaganteki: ok. you probably need to power the panel and touchscreen, so it's not drawing power from the I/O pins
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<wens>
it happens when the I/O pins aren't tri-state when powered off
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<noblock>
I’ve added the H5 support to the Libreelec Allwinner branch by jernej. But I get a mali crash at the kernel level. ASSERT failed: 0xCAFEB000 == mali_hw_core_register_read(&mmu->hw_core, MALI_MMU_REGISTER_DTE_ADDR). An idea?
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<jaganteki>
wens, does vcc-ctp effect? this power drwan on I/O lines. this is linked in TWI0-SDA, TWI0-SCK which inturn connected GPIO0LDO in axp803
<wens>
huh?
<wens>
jaganteki: yeah, that would be it. That's the external pull-up
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<jaganteki>
wens, so we can supply in slave node right not global to respective bus. am i correct?
<wens>
yes
<jaganteki>
ok, thanks..will try that.
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<catphish>
i'm interested in hobby osdev on an arm device with integrated graphics, i was wondering whather an allwinner chip (either on a dev board or one of their tablets) would be a reasonable place to do this? i know i can program the cpu core, but i'm interested in how well documented the video interfaces are, am i likely to be able to get basic 2d graphics output working?
<catphish>
i have some experience with an A20 dev board, but thought it might be more interesting to target an A64 tablet, these both have Mali400 MP2, which i've not looked at in any way
<catphish>
do i have any chance of being able to achieve anything on such a device?
<BenG83>
there is an open source driver project for mali400
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<noblock>
jernej: I tried the hikey blob; I will try with the others.
<noblock>
With the r5p0 blob, glmark failed before the end; The H5 hardware configuration is not heavely tested. I'm not sure this is so reliable. And I have never tried using Android...
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<jernej>
noblock: did you enable mali450 support in kernel driver?
<jernej>
btw, with mali4xx drivers, you have to match kernel and userspace driver versions below r6p2
<jernej>
above that, they use same api
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<noblock>
I have tried with CONFIG_MALI450=y r9p0 kernel driver and the r7p0 hikey blob.
<noblock>
But I'm not familiar with wayland, and I have not tried glmark.
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