in intc/access.c [14:37]
unsigned long intc_phys_to_virt(struct intc_desc_int *d, unsigned long address)
{
struct intc_window *window;
int k;
/* scan through physical windows and convert address */
for (k = 0; k < d->nr_windows; k++) {
window = d->window + k;
if (address < window->phys)
continue;
if (address >= (window->phys + window->size))
continue;
address -= window->phys;
address += (unsigned long)window->virt;
return address;
}
/* no windows defined, register must be 1:1 mapped virt:phys */
return address;
}