On Thu, May 3, 2012 at 7:42 PM, John Crispin <blogic@xxxxxxxxxxx> wrote:
> Implement pci_load_of_ranges on MIPS. Due to lack of test hardware only 32bit
> bus width is supported. This function is based on the implementation found on
> powerpc.
There's no pci_load_of_ranges() in arch/powerpc/?
> +void __devinit pci_load_of_ranges(struct pci_controller *hose,
> + struct device_node *node)
> +{
> + const __be32 *ranges;
> + int rlen;
> + int pna = of_n_addr_cells(node);
> + int np = pna + 5;
> +
> + pr_info("PCI host bridge %s ranges:\n", node->full_name);
> + ranges = of_get_property(node, "ranges", &rlen);
> + if (ranges == NULL)
> + return;
> + hose->of_node = node;
> +
> + while ((rlen -= np * 4) >= 0) {
> + u32 pci_space;
> + struct resource *res = NULL;
> + unsigned long long addr, size;
You better use u64, as that's what of_translate_address() and
of_read_number() return.
> +
> + pci_space = ranges[0];
pci_space = be32_to_cpup(&ranges[0])
> + addr = of_translate_address(node, ranges + 3);
> + size = of_read_number(ranges + pna + 3, 2);
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
