onboard wireless on rpi4

[Robert Crowston]

Do you have a serial cable to get the console output? It would be handy to have the boot output.


— RHC.

‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Sunday, 6 September 2020 00:43, tech-lists <tech-lists at zyxst.net> wrote:

> On Sat, Sep 05, 2020 at 07:11:53PM +0100, tech-lists wrote:
>
> > On Sat, Sep 05, 2020 at 12:15:06PM +0000, Bjoern A. Zeeb wrote:
> >
> > > Two things which may help for the RPi/SDIO parts are:
> > >
> > > -   please try and use MMCCAM kernels and help, test, debug, report, ..
> > >     all the things you find so (other people) can jump in as well so we can
> > >     switch that on as default. Without that, no SDIO.
> > >
> >
> > Sure, it'll be the next thing i build on rpi4 after it's finished portmaster.
> > Will you need a dmesg posted somewhere?
> > Have to admit i've never built MMCCAM kernel before for rpi 1,2b+ or 3b+.
> > What's significant about it?
>
> GENERIC-MMCCAM built and installed without error but breaks to ddb when the
> kernel tries to load [1] I can see it by attaching a screen to HDMI. I have an FTDI usb serial device converter (built into the serial cable) is there any way i can grab output from there? or is the output written somewhere on the card where I can look at it?
>
> [1] in other words it passes the u-boot phase, gets past where it detects cpu,
> then loads of errors zoom off the screen nd then ddb> prompt
> --
> J.