<martinayotte>
Ok ! I've now built image for OPiZeroPlus2-H5, since there is no network driver crash, "reboot" seem to work, so maybe that is related in previous testing ...
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<z3ntu>
Hi, does someone have an idea how the power-on reason should be implemented in an A64-based phone? The axp803 does have a "Power up/down reason register" but I'm unsure how this information should be relayed to userspace so e.g. a charging screen can be shown?
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<wens>
you probably don't want to boot full linux just to show a charging screen
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<megi>
z3ntu: you can read this register from /sys/kernel/debug/regmap/???/registers
<wens>
u-boot seems to have pmic and battery u-classes now
<megi>
axp doesn't use dm, though
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<MoeIcenowy>
wens: on Android the charging screen is really a Linux program
<MoeIcenowy>
which is /sbin/charger
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<z3ntu>
megi: I have to say this UI looks pretty nice :)
<z3ntu>
Reading from the registers using debugfs isn't the ideal solution though.. From what I know on all smartphones the bootloader adds a cmdline parameter to Linux which the Android system parses and determines if the charging UI should be launched
<megi>
yeah, it's very platform dependent
<z3ntu>
I wonder if Purism has built that functionality for the Librem 5 already
<wens>
MoeIcenowy: wha?
<megi>
kernel can boot pretty fast though, so why not
<megi>
I did < 700ms boot to "init" inside the kernel, so why not show UI there
<megi>
that's partly because u-boot doesn't use DMA
<megi>
mainline u-boot
<megi>
adding u-boot MMC driver DMA support is another of my fun projects to do, sometime in the undefined future time
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<ElBarto>
so, now that I have my DE2 drm driver for FreeBSD without the help of u-boot I have a few questions
<ElBarto>
I gues that somewhere in the Linux driver so set the de pll to some value, u-boot set it to 432Mhz
<ElBarto>
why not using assigned-clock for this ?
<ElBarto>
like in the mixer node or whatever
<ElBarto>
another question is on the sram, why not using the syscon handle directly ?
<ElBarto>
using the allwinner,sram doesn't make sense for me as you need to walk up the tree to find the system-controller node to write the proper value
<ElBarto>
mhm, I guess that using assigned-clock will always enable the PLL, that might not be something that we want ...
<ElBarto>
I don't know if the Linux code enable the clock when it's present in assigned-clock
<ElBarto>
and I don't think that I've made it that way on FreeBSD
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<ElBarto>
no, it just set the rate
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<xqdzn>
Does upgrading kernel from package manager, pacman on archlinux to be specific, reproduce new .dtb file?
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