Sato,
Here is the information I received re: the pwctl0 device when booting -v
on a MobilePro 780 with the serial port enabled.

vrgiu0 at vrip0 addr 0xb000100-0xb00011f intr 8
pwctl0 at vrgiu0 port=14 id=0 on=1

Please let me know if there is any other information you need.

Thanks,

Phil A. Jensen
SCSA, SCNA, MCSE+Internet
http://www.philjensen.com
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Office:  (559) 278-8451
Email:   philj@philjensen.com

On Thu, 19 Apr 2001, SATO Kazumi wrote:

> adam@algroup.co.uk wrote:
> > anyone know what's the status of serial port on the NEC?
> > this is my config entry (copied from GENERIC):
> >   com*    at vrip? addr 0x0c000000 size 0x20 intr 9 pwctl PWCTL_COM0
> > and i get:
> >   com0 at vrip0 addr 0xc000000-0xc000007 intr 9: ns16550a, working fifo
> > from dmesg, but can't get any tip or cu sessions to work... ideas?
> 
> Currently, no PWCTL_COM0 infomation for MobilePro780 is known.
> So, there is no PWCTL_COM0 defice for 780 such as follow.
> 	pwctl0 at vrgiu? platform NEC_MCR_530 id PWCTL_COM0 port 46
> 	(this is for MCR/530)
> In some machine, kernel cannot enable serial port without this device.
> 
> jun@soum.co.jp wrote:
> > Please check pbsdboot menu.It contains the checkbox of "Serial Port On".
> > Check the box and boot your 780.
> 
> You will know GIU setting from dmesg booting with -v option.
> Difference of GIU setting between with "Serial Port On" and without
> "Serial Port On" are the PWCTL_COM0 device infomation.
> Please report this infomation.
> 
> We need these infomation for all machines.
> sato
>