marcan changed the topic of #asahi to: Asahi Linux: porting Linux to Apple Silicon macs | General project discussion | GitHub: https://alx.sh/g | Wiki: https://alx.sh/w | Topics: #asahi-dev #asahi-re #asahi-gpu #asahi-stream #asahi-offtopic | Keep things on topic | Logs: https://alx.sh/l/asahi
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<chadmed>
i actually did try to write a Qt mimic of the macos first run wizard a couple of weeks ago but im really not very adept at GUI programming. you can refer to my github for an example of why i should never ever write a GUI :P
<fridtjof[m]>
wouldn't you have to ship qt with the installer?
<fridtjof[m]>
(asking because i'm not sure if trying to use native macOS applications would be much more painful)
<fridtjof[m]>
*APIs
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<chadmed>
im pretty sure binaries linked against Qt are portable if you use qmake
<chadmed>
but it doesnt matter since this was meant to go into the Asahi distro at some point, which we can just ship qt with in any case. it was meant to show _after_ you'd installed and booted linux for the first time, so no point using Cocoa/Swift for that
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<chadmed>
all irrelevant because about 20 minutes in i remembered just how awful i am at guis lmao
<fridtjof[m]>
ooh, i assumed it was for the initial setup from macOS 1tr. nvm then :)
<Eric[m]>
Anyone know what the state of the development tool chain looks like? Will llvm build native binaries and link with glibc without any patching?
<chadmed>
yeah, once linux drivers have taken care of all the hardware quirks, these are just AArch64 machines
<chadmed>
userspace stuff should Just Work(tm)
<chadmed>
arm support is very mature in most big distros and their forks
<Eric[m]>
Oh okay. I had thought Apple silicon had diverged from the standard. That's good to know
<chadmed>
marcan found one quirk that breaks ARMv8-A but i dont think it affects userspace software
<marcan>
so it doesn't even affect kernelspace in a guest, which is why linux VMs worked fine on macos from the get go
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<bgb>
maz: then counter_mask is indeed for usable PMC regs, and I saw a lot masks equal to 224(b'1110 0000)
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<jannau_>
to no one's surprise the M1 Pro linux bringup works on the M1 Max
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<jannau>
all 3 usb-c ports work after initialising the 3rd port in m1n1
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<sven>
Nice!
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<marcan>
jannau: but what about the 6th port? :-)
<marcan>
(magsafe)
<marcan>
(we actually need to do the hpm init for that too, for charging)
<bgb>
I got dmesg"Cannot enable. Maybe the USB cable is bad?" on my ubuntu machine when when MBA/MBP(m1n1), and no /dev/ttyACMx. any ideas ?
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<jannau>
the 6th port seems to be just power delivery though so we need to init it differently
<jannau>
not sure why the magsafe has 5 pins though
<VinDuv>
they always had 5 pins afaik
<VinDuv>
I think there is a sense pin to make sure there is no short circuit before delivering power
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<jannau>
the connector is reversible too so I guess the middle pin is v bus or gnd, a symmetric pair is cc1/cc2 and the other pair is gnd or v bus
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<sven>
for charging at least the SPSS command sent over I2C should be enough
<VinDuv>
according to WP 1 and 5 are GND, 2 and 4 are V+ and 3 is sense (on MagSafe 1)
<jannau>
magsafe2 appears to be usb pd
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<VinDuv>
(hmm that’s confusing, MagSafe 2 is actually a minor revision of MagSafe back in 2012, the M1 Macs are actually MagSafe 3)
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<VinDuv>
It wouldn’t surprise me that the USB-PD stuff all occurs in the cable itself and that the Mac just sees the MagSafe interface (probably identical to older MagSafe)
<sven>
uh, there should be a HPM entry in the ADT for magsafe
<jannau>
yes, there is hpm5 thus the 6th port
<sven>
USB PD for magsafe is likely handled by yet another CD321x chip
<sven>
and i'm willing to bet it also starts out in hibernation and needs to be woken up
<sven>
(or maybe charging even work in hibernation mode. i've never actually tried)
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<jannau>
it might work out of the box, my battery is fully charged after quite a while in m1n1/linux with magsafe connected
<sven>
yeah, could be. i only know for sure that the chip needs to be woken up to make the port act as a power source
<jannau>
not sure if I connected magsafe in macos before rebooting to m1n1 though
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<chadmed>
might be a few weeks before we can get schematics to confirm if its another CD3217 unless someones willing to tear open their shiny new laptop to have a look themselves
<chadmed>
topmost chip of the left wing on the top side of the board for folks playing along at home
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<sven>
pretty sure we've seen CD3218 before
<chadmed>
interesting. pinout is the same as the 3217 in any case, some lines just go to different places
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<sven>
i think it started at cd3216 or so for the T2 macs
<sven>
they're also known as ACE1 and ACE2 for some reason
<chadmed>
huh it also uses CD3217s for the non-magsafe ports
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<jannau>
hpm5 has "compatible = [usbc,cd3217]" as the other ports
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<marcan>
cd3217/16/18 are all the same chip series AIUI
<marcan>
probably just different roms if that
<marcan>
VinDuv: MagSafe 3 is just USB-PD
<marcan>
the sense pin is now a CC pin
<marcan>
they have a lot of chips, but apple always does that
<marcan>
probably protection for the exposed pins (especially against noncompliant USB-C chargers that don't switch their output), the LED stuff, general marker/etc stuff
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<jn>
marcan: i just noticed in the t6000/bringup-work branch's t6000.dtsi, the file comment still says T8103 and M1
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