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Re: PCI base address ?

read /usr/src/linux/Documentation/IO-mapping.txt

u can directly use writel() on x86, but u're going to shoot portability right in
the heart.


On Fri, Jul 21, 2000 at 03:45:22PM +0400, Praveen wrote:
>  Hi all
>     Can any one tell me, what PCI base address means ?..
>     Why we are remapping base address using ioremap() to acess
>     the device ...Can't we directly access it ?
>         If we write some data to device using writel(), will it be
>     written to on-board device memory  or to our system memory..  
> Thx in adv
>  regards
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