Re: How to do IO mapped Implimentation ???

["Jeyner Gil Caga" <jeynergilcaga@gmail.com>]

[-- Attachment #1: Type: text/plain, Size: 1519 bytes --]

Hmmm, I have not touched ppc8248 before, but I guess it will work since it
is only 1 byte, not 2 or 4 byte access. I have used it in ppc 440epx, and
that eval board is big endian as well.

On 12/31/07, Misbah khan <misbah_khan@engineer.com> wrote:
>
>
> I have used in_be32() and out_be32() for ppc8248 in one of my driver for
> FPGA
> in which the fpga memory is mapped here it is Io mapped thats the only
> difference ....remapping and using in_8() and out_8() will it work for
> BigEndian arch ????
>
> -----Misbah <><
>
>
> Misbah khan wrote:
> >
> > Hi all...
> >
> > I am writing a driver in which device port is mapped to CPLD and 8 bit
> > data bus is directly connected from processor to CPLD. Read write on
> CPLD
> > memory mapped (buffer/register) is required to control the device. This
> is
> > now IO mapped to processor.
> >
> > I need to know whether i am right if i impliment like this :-
> >          addr=ioremap(base_addr);          // Remap to Mem mapped
> address
> >          outb(addr) and inb(addr);
> >
> > Please suggest me if i am wrong or there could be better solution to
> this
> > .
> >
> > -----Misbah <><
> >
> >
>
> --
> View this message in context:
> http://www.nabble.com/How-to-do-IO-mapped-Implimentation-----tp14522349p14555864.html
> Sent from the linuxppc-embedded mailing list archive at Nabble.com.
>
> _______________________________________________
> Linuxppc-embedded mailing list
> Linuxppc-embedded@ozlabs.org
> https://ozlabs.org/mailman/listinfo/linuxppc-embedded
>

[-- Attachment #2: Type: text/html, Size: 2291 bytes --]