On Tue, Dec 07, 2004 at 10:48:13PM +0300, Pavel Kiryukhin wrote:
> Can somebody give me a hint: - what part of 2.6 (mips) code is
> responsible for setting i/o and memory space enable bits in PCI-PCI
> bridge config. space command register?
> On my board those bits are not set after bridge is configured.
> Currently I'm using the following change in "pcibios_enable_resources"
> to work with devices behind the bridge.
> --- arch/mips/pci/pci.c_org 2004-12-06 18:20:50.000000000 +0300
> +++ arch/mips/pci/pci.c 2004-12-06 18:21:22.000000000 +0300
> @@ -164,7 +164,7 @@
>
> pci_read_config_word(dev, PCI_COMMAND, &cmd);
> old_cmd = cmd;
> - for(idx=0; idx<6; idx++) {
> + for(idx=0; idx<=PCI_BRIDGE_RESOURCES; idx++) {
> /* Only set up the requested stuff */
> if (!(mask & (1<<idx)))
> continue;
>
> but I think there should be some legal way I missed.
We had a discussion a while ago where somebody did suggest an afair
identical patch a while ago. The problem with this patch is it fixes
things for a few platforms and breaks things for a few others.
Ralf
