Subject: Re: Jornada 820 woes
To: Robert Swindells <rjs@fdy2.demon.co.uk>
From: IWAMOTO Toshihiro <iwamoto@sat.t.u-tokyo.ac.jp>
List: port-hpcarm
Date: 12/08/2002 02:16:47
At Sat, 7 Dec 2002 15:57:12 GMT,
Robert Swindells wrote:
> 
> 
> Ignatios Souvatzis wrote:
> >I check "serial console", but get no output there, but some randomly
> >noise is written to the lower 1/8 of the screen.
> 
> There may be a simpler reason for your serial console not working.
> 
> The address in the kernel config file for sacom0 is the virtual address
> of the port under WinCE. Your J820 is running an older version of WinCE
> than either the J720 or iPAQ, so may not be using the same VA.

UART3 is mapped in initarm() in hpc_machdep.c, so this is not related
to WinCE.  Maybe J820 is using UART1 instead of UART3.
The reason I used a virtual address for sacom0 is to have console
output available from the beginning of the boot process.

> I have got some local changes to sa11x0_com.c that make it expect the
> specified address to be physical, but I had made them conditional on
> hpcarm not being defined. I'll see if I can make them work for both.

--
IWAMOTO Toshihiro