ioremap(9)
NAME
ioremap - map bus memory into CPU space
SYNOPSIS
void __iomem * ioremap(unsigned long offset, unsigned long size);
ARGUMENTS
- offset
- bus address of the memory
- size
- size of the resource to map
DESCRIPTION
- ioremap performs a platform specific sequence of opera
- tions to make bus memory CPU accessible via the
- readb/readw/readl/writeb/ writew/writel functions and the other
- mmio helpers. The returned address is not guaranteed to be usable
- directly as a virtual address.
AUTHORS
- Matthew Wilcox <matthew@wil.cx>
- Author.
- Alan Cox <alan@redhat.com>
- Author.