[parisc-linux] 2.6 & pdc_console pb on c110: "Warning: unable to open an initial console."

[Christoph Plattner]

Anyway, the PDC driver should work for all architectures, independent of
the serial type (this was my concept of this driver).

Is the driver fully ported to the 2.6 kernel ?
In the first log, the line "Warning: unable to open an initial console."
was shown, so the open on this device fails !
Futher there is no PDC driver registered under proc/devices !

I have never tested a 2.6 kernel on a HP.

Christoph


Helge Deller wrote:
> On Saturday 27 December 2003 22:00, Joel Soete wrote:
> 
>>I try to see if pdc_console could be operational on my c110 with kernel 2.6.0-pa5.
>>
>>So I uncheck serial_mux and check pdc_console with make menuconfig (edit also pdc_cons.c to define EARLY_BOOTUP_DEBUG)
>>Then I create the special file "mknod /dev/ttyB0 c 11 0", add "TB0:12345:respawn:/sbin/getty 38400 ttyB0" in /etc/inittab
>>
>>(I also try to apply Richard patch <http://lists.parisc-linux.org/pipermail/parisc-linux/2002-May/016384.html>)
>>
>>But no way to make it works?
>>
>>Linux version 2.6.0-pa5 (root at hpalin) (gcc version 3.3.3 20031206 (prerelease) 3FP[0] enabled: Rev 1 Model 11 
>>                               The 32-bit Kernel has started...
>>Initialized PDC Console for debugging.
>>Determining PDC firmware type: System Map.
>>model 000058e0 00000481 00000000 00000002 77e47570 100000f1 00000004 0000008a 0avers  0000000d
>>CPUID vers 11 rev 13 (0x0000016d)
>>model 9000/777/C110
>>Total Memory: 128 Mb
>>[snip]
>>Soft power switch enabled, polling @ 0xf0140000.
>>Console: switching to colour frame buffer device 128x48
>>pty: 256 Unix98 ptys configured
>>lp: driver loaded but no devices found
>>Generic RTC Driver v1.07
>>Serial: 8250/16550 driver $Revision: 1.90 $ 13 ports, IRQ sharing enabled
>>ttyS0 at MMIO 0xffd05800 (irq = 90) is a 16550A
>>ttyS1 at MMIO 0xffe02800 (irq = 121) is a 16550A
> 
> 
> Your machine has standard serial ports. So why do you want to
> switch on serial_mux stuff when it's not needed (and not possible
> since the device is not present in your machine) ?
> 
> Helge
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> 



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