On Sun, 28 Jan 2007, Manish Varma wrote:
> 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..
Sorry, but I do not think that was obvious from you original posting.
Good luck with searching a solution.
>
> 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 <>
> [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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> > Go to the Yahoo! Mail Q&A for great tips from Yahoo! Answers users.
>
>
>
>
>
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