placing of ioremap ?

Dan Malek dan at mvista.com
Wed May 2 05:33:31 EST 2001


ashish anand wrote:
>
> I have one question regarding the placing of ioremap call
> suppose i have done ioremap call inside the mm/init.c
> for pci i/o or memory space

Well, you really shouldn't.......The PCI I/O space could be
done there so the usual inb/outb and friends work.  PCI memory
space should not be mapped there, it is done by the driver.

> in case my bios has not done the resource allocation
> i have to just write the proper values in PCI_BASE_ADDRESS
> registers of that pci card. Am I Correct?

You should include the Linux PCI auto config function.  It will
do this plus properly assign the interrupts.


	-- Dan

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