Re: [ts-7000] Need Help regarding PC/104..

[Manish Varma <>]

Jim,

    Thanks for your reply.. but I can access the PC/104 bus from user space, only problem occurs while I try to acccess the the bus from Kernel Space..

Regards,
Manish.

Jim Jackson <> wrote:

Please check out the group archive for a post only last week on this email
list. The author and subject were.....

Don W. Carr <com>
[ts-7000] BUS PC104 - 7260

It has example code for accessing a PC104 board from user space.

On Sun, 28 Jan 2007, Manish Varma wrote:

> Hello,
>
> Can any one plz guide me which address should I use in order to communicate with PC/104 bus for 8-bit I/O cycles..
>
> From the manual I can see the Physical Address Region for 8 bit I/O cycle is 0x11E00000 thru 0x11E003FF but while I m trying to write to this location I get this...
>
> "Unable to handle kernel paging request at virtual address 81e00000"
>
> In my earlier attempt to write the HPI driver over PC/104 bus, I could write to the location by memory mapping the device.. but in my recent pgm I am not getting hold on that..
>
> If any one can share Kernel Mode driver for PC/104 bus would be great help..
>
> Thanks in Advance,
> Manish.
>
>
> ---------------------------------
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