> Per kind advise I have got, I have added baud rate to the command line (I
> did not have it there before):
>
> CONFIG_CMDLINE="console=ttyCPM0,115200 panic=3 root=/dev/ram"
>
> However, my real current problem (just 3 characters get printed
> correctly during the kernel boot) did not go away.
>
> Is there a way to check if the baud rate specified in the .config's
> commandline is indeed in effect for the kernel booting ?
>
> Any other reasons/explanation for my "3 character" problem ?
>
> -----Original Message-----
> From: Povolotsky, Alexander
> Sent: Sunday, January 16, 2005 5:59 AM
> To: 'linuxppc-dev at ozlabs.org'
> Subject: Linux 2.6-10.rc3 8xx kernel booting - how to set
> baud rate for the serial driver ?
>
> Hi,
> ...
>
> My bootloader uses 115200 baud rate for the serial output during
> boot strapping.
>
> I have:
> CONFIG_SERIAL_CPM_CONSOLE
> in my .config
> ...
> I could see some output during the kernel boot -
> I noticed that (only 3) characters (see below) from the linux_banner are
> printed
> in __init start_kernel() upon booting . Then a lot of garbage is outputted
> and eventually kernel hangs ...
>
> after gunzip
> done.
> Now booting the kernel
> Lin??????????????????8??????????X??????????x??????????~???????????????????
> ??????
> <more garbage>
> <hangs>
>
> to prove it I added printk("ALEX\n"); in __init start_kernel() prior to
> printk(linux_banner);
>
> ...
> lock_kernel();
> page_address_init();
> printk("ALEX\n");
> printk(linux_banner);
> setup_arch(&command_line);
> setup_per_cpu_areas();
> ...
>
> after gunzip
> done.
> Now booting the kernel
> ALE??????????????????8??????????X??????????x??????????~???????????????????
> ??????
> <more garbage>
> <hangs>
>
> Why would first 3 characters come out right ?
> Any ideas ?
> Thanks,
>
