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-offtopic | Keep things on topic | Logs: https://alx.sh/l/asahi
<maximus64>
heh look like you figure out the pinset :)
<rwhitby>
(and figured out how to gist images too!)
<maximus64>
so bits [22:16] control the pin set right?
<rwhitby>
Yes, it's a one-hot bit mask of pinsets I think. So I incrementally added the action to each of three pinsets, and then incrementally took it off in the same order.
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<maximus64>
yea that what I got from the wiki as well
<maximus64>
Do you know if we can do DFU recover using Intel Mac host? I don't have any Mac machine. Planing to setup a OSX VM just for DFU incase I brick the OS
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<rwhitby>
maximus64: I've confirmed DFU recover of M1 Mac using Intel Mac as the source host
<rwhitby>
A native Intel MacBook Pro. Don't know how an OSX VM on another host OS will go - may depend on how good the USB passthrough is.
<maximus64>
thanks good to know! hopefully it work :)
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<furkan>
marcan: i have tons of cdroms lying around, for salvaging parts (all functional but have no use for them)
<furkan>
oh cool @winocm is here! it's nice to see you around again! (you've helped me on porting xnu to beaglebone many years ago! ~seven years I guess?)
<winocm>
almost a decade yeah
<furkan>
was extreme fun. i worked on those 2-3 days in rows without sleep
<furkan>
(was mixed with linux+mptcp experiments on beaglebone)
<furkan>
thanks for the initiative back then!
<winocm>
I wish I could actually work for more than 1.5 days with no sleep without crashing these days
<winocm>
hah, no problem
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<davidrysk[m]>
winocm: I feel you :(
<davidrysk[m]>
if I get no sleep I'm completely unproductive the next day
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<krbtgt>
damn i should bust out my N900
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<rjeli>
would i be able to get uart boot log from my usb-c explorer? it uses fusb302b, i think someone mentioned it a few days ago
<rjeli>
no search on my mobile irc app, ill scroll..
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<marcan>
btw, the beta2 SFR can't boot beta1 iBoot2 is indeed an iBoot panic
<marcan>
SOCD report detected: (iBoot panic)
<marcan>
rjeli: to make the uart work on booth it is a requirement to operate as a source (DFP) and that requires a vbus switch to negotiate properly
<marcan>
I do not know that the USB-C explorer can do that
<marcan>
you don't need much current so a 5V GPIO from the arduino as "VBUS" is sufficient (it's what I do)
<marcan>
*on boot
<marcan>
it's really sad that all these usb-c test boards don't break out all the pins
<opticron>
aren't you supposed to be asleep?
<opticron>
:)
<marcan>
:p
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<maximus64>
rjeli: I check the schematic of usb-c explorer. VBUS is routed to a header but SBU and all the SSTX/RX isn't routed. Only USB2 pair is accessible.
<maximus64>
If you can mux serial to the USB2 pinset then it might work :)
<maximus64>
anoying thing is that USB2 pin is wire to the SAMD MCU :/
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<rjeli>
cool, thanks for the help
<rjeli>
i can just echo it from the mcu to its uart right
<maximus64>
not really it used 1.2V logic level
<rjeli>
i see
<rjeli>
ok ill get an arduino then :p
<maximus64>
you can use any MCU that can do I2C :p
<maximus64>
for the 1.2v UART, I haven't see any off the shelf adapter that can do 1.2v level yet. You can use s level shifter or find one that have close enough logic level and use cheap resistor divider network on the TX line
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<marcan>
1.8 works fine
<marcan>
but really just get a level shifter
<maximus64>
heh you still awake
<maximus64>
we should make a USB-C debug adapter with all the pin routed out
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<rwhitby>
yes
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