<jernej>
no, because I couldn't write or read anything meaningful to AC200, as I said before
<apritzel>
yeah, I see, bummer
<apritzel>
did it work under the BSP kernel?
<jernej>
ethernet works, if that's what you're asking
<apritzel>
I was wondering if you were able to talk to the AC200 via I2C when running the BSP kernel
<jernej>
how could I? I2C port is already claimed by ac200 driver
<jernej>
besides, it's Android, I doubt there are i2c tools available
<apritzel>
right, I guess I am just spoiled ;-)
<apritzel>
(unbind the driver, rmmod, ...)
<jernej>
assuming it's module
<jernej>
usually there is very little modules in Android
<apritzel>
yeah, that's why I said I am spoiled ;-)
<apritzel>
jernej: ah, I just figured that the RTL8211 (and probably other PHYs) contains a PLL, and requires a 25MHz input clock. So you can save a crystal and use EPHY_25M signal. OPi-Zero2 uses a crystal, though
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<megi>
oh nice!
<megi>
T7 user manual contains documentation for the DSI controller
<megi>
relatively detailed
<megi>
there's a need for some index of in what random SoC part a particular Allwinner SoC block is documented :D
<apritzel>
but that would be outdated hopefully soonish
<BorgCuba>
thank you
<BorgCuba>
apritzel, how do you boot your kernel?
<apritzel>
but you need U-Boot and TF-A as well, it's all WIP
<BorgCuba>
from sd or via USB
<BorgCuba>
what is TF-A ?
<apritzel>
both work with the U-Boot patches, even TFTP works, so I load the kernel via Ethernet
<apritzel>
Trusted Firmware-A
<jernej>
apritzel: I can't get emmc working, driver loads, but then nothing
<jernej>
I pretty certain that at least one power supply is correct
<apritzel>
jernej: you have tried both with and without the shift, I guess?
<jernej>
and I tried many different for others
<jernej>
hm... no, let me try this
<apritzel>
the manual says the DMA shift is NOT for MMC2, but the A100 code does it for all three
<apritzel>
btw, I decided to eventually split the clocks, I gets too messy
<apritzel>
BorgCuba: do you have a H313 board, by any chance?
<BorgCuba>
yes
<BorgCuba>
I have a x96q
<BorgCuba>
I already connected the UART pins
<jernej>
apritzel: with shift I get error -110
<clementp[m]>
apritzel: split the clock ! :)
<BorgCuba>
but I cannot get to the uboot console
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<apritzel>
BorgCuba: the BSP U-Boot would be pretty useless for mainline kernels anyway
<megi>
gediz0x539: I don't have T7 based device, I was just reading new SoC datasheets to hopefully find more information on other SoCs
<jernej>
apritzel: clementp[m]: fun fact, BSP for H6 and H616 has emmc pin DS (PC0) set to pull down, while all others to pull up
<BorgCuba>
apritzel, because it can only boot from emmc or due to any other reason (U-Boot 2018.05-dirty (Mar 25 2020 - 20:36:28 +0800) Allwinner Technology)
<apritzel>
BorgCuba: various other reasons, it's just not the right way of doing things
<apritzel>
BorgCuba: but you can boot from SD card with mainline (well) U-Boot and then eventually transfer this to the eMMC, if you like
<apritzel>
BorgCuba: but it's all in a touchy state at the moment
<BorgCuba>
apritzel, installing a new uboot version on emmc? That would be nice. Especially if it supports booting over ethernet.
<clementp[m]>
jernej: you're thinking about the hs-ddr issue
<apritzel>
BorgCuba: but you can't boot the BSP/Android kernels with that anymore
<BorgCuba>
apritzel, do you also have a uboot repo for the h616?
<BorgCuba>
apritzel, okay
<BorgCuba>
seems strange though, does it have something to do with this trusted frimware?