Thanks Richard, I will give this a try.
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> We do not provide the binary files ourselves you need to acquire them from
> the rasbian ISO.
Or look in https://github.com/RPi-Distro/firmware-nonfree/raw/buster/brcm
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Thanks, I got the Raspbian image and I can see .dtb files there, but can't find
a clear explanation of how to get the .bin files out of there. For moment I've
just found an Ethernet cable and now at least my Plan 9 machine is on the
network.
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All of what Brian said is true for 9front as well. If you want to see our code
implementation of this you can find
it in /sys/src/9/bcm/ether4330.c. The only difference is that 9front puts
firmware in /lib/firmware and not /sys/lib/firmware.
We do not provide the binary files ourselves you need
Please don't apologise Brian, thanks so much for this help.
Looking at my ether4330.c, those two entries for revisions 6 and 9 are present,
but I did a "walk | grep 43444" over the whole disk and I can't find anything
like those blob files anywhere. /lib/firmware is empty too.
I think I will
I wouldn't call it obvious. :) It looks like there's at least a difference
in where the firmware blobs are kept. I don't really know how much difference
there is in the driver code, but I would expect that there would be a file in
/sys/src/9/bcm that is analogous to ether4330.c. But I'll
Hi Brian,
Thanks for your help, does it make a difference that I'm using 9front? I don't
even seem to have a /sys/lib/firmware directory, and I'm not sure I have a
ether4330.c either.
I'm sure it's obvious, but I'm a newcomer to Plan 9 and I apologise in advance
if I'm missing obvious
I haven't had any trouble with wifi on the 4, with one caveat. The 400 (and
maybe some of the later 4s) have an updated version of the radio. It just
takes a new entry in ether4330.c and new blobs in /sys/lib/firmware. The entry
I've got in my ether4330.c is:
{ 0x4345, 9,
That's great, now I just need to get wifi to work... I can't get a definitive
answer on RPi 4 wifi is even supported.
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Oooh! More pixels!
This is wonderful, thank you!
I had the same situation, but I didn't know this was possible.
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This gives me a QHD display on my RPi 4, this is the whole config.txt
[pi4]
kernel=9pi4
arm_64bit=1
[pi3]
kernel=9pi3
arm_64bit=1
[all]
gpu_mem=16
core_freq=250
enable_uart=1
boot_delay=1
hdmi_group=2
hdmi_mode=87
hdmi_cvt=2560 1440 60 3 0 0 1
max_framebuffer_width=2560
Thanks, I managed to corrupt my card, so I'm going to reformat and try it
again, I'll post config when (if) I get it to work.
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I had similar issues when I needed a rpi3 to be forced into running
720p into a video capture device.
These used to be handled in config.txt
It looks like they moved those setting into a legacy section;
Thanks for the quick reply, I put in the hdmi_enable_4k line and no difference.
My cmdline.txt is:
console=0 user=glenda nobootprompt=local!/dev/sdM0/fs
hdmi_group=2
hdmi_mode=82
hdmi_enable_4kp60=1
hdmi_cvt=2560 1440 60 3 0 0 1
max_framebuffer_width=2560
max_framebuffer_height=1440
Could try adding
hdmi_enable_4kp60=1
to cmdline.txt? see also
https://www.raspberrypi.com/documentation/computers/config_txt.html
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Hello,
Just trying to set up my RPi 4 for Plan 9. It boots into Plan 9 no problem, but
at a pretty low resolution with big black borders.
I'm using a 2560x1440 screen connected with HDMI, I run it at 60Hz with other
OS on the Rpi.
Could someone please suggest a cmdline.txt config for it? At
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