On Mon, 2007-07-23 at 15:50 -0500, Kumar Gala wrote:
> We need the ability to set P2P bridge registers to properly setup the virtual
> P2P bridges that exist in PCIe controllers for some of the embedded setups.
>
> Signed-off-by: Kumar Gala <[EMAIL PROTECTED]>
Acked-by: Benjamin Herrenschmidt <[EMAIL PROTECTED]>
> ---
> arch/powerpc/kernel/pci_32.c | 18 ++++++++++++------
> include/asm-powerpc/pci-bridge.h | 2 ++
> 2 files changed, 14 insertions(+), 6 deletions(-)
>
> diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c
> index bfcfa14..721a694 100644
> --- a/arch/powerpc/kernel/pci_32.c
> +++ b/arch/powerpc/kernel/pci_32.c
> @@ -415,15 +415,13 @@ probe_resource(struct pci_bus *parent, struct resource
> *pr,
> return 0;
> }
>
> -static void __init
> -update_bridge_base(struct pci_bus *bus, int i)
> +void __init
> +update_bridge_resource(struct pci_dev *dev, struct resource *res)
> {
> - struct resource *res = bus->resource[i];
> u8 io_base_lo, io_limit_lo;
> u16 mem_base, mem_limit;
> u16 cmd;
> unsigned long start, end, off;
> - struct pci_dev *dev = bus->self;
> struct pci_controller *hose = dev->sysdata;
>
> if (!hose) {
> @@ -467,12 +465,20 @@ update_bridge_base(struct pci_bus *bus, int i)
> pci_write_config_word(dev, PCI_PREF_MEMORY_LIMIT, mem_limit);
>
> } else {
> - DBG(KERN_ERR "PCI: ugh, bridge %s res %d has flags=%lx\n",
> - pci_name(dev), i, res->flags);
> + DBG(KERN_ERR "PCI: ugh, bridge %s res has flags=%lx\n",
> + pci_name(dev), res->flags);
> }
> pci_write_config_word(dev, PCI_COMMAND, cmd);
> }
>
> +static void __init
> +update_bridge_base(struct pci_bus *bus, int i)
> +{
> + struct resource *res = bus->resource[i];
> + struct pci_dev *dev = bus->self;
> + update_bridge_resource(dev, res);
> +}
> +
> static inline void alloc_resource(struct pci_dev *dev, int idx)
> {
> struct resource *pr, *r = &dev->resource[idx];
> diff --git a/include/asm-powerpc/pci-bridge.h
> b/include/asm-powerpc/pci-bridge.h
> index 435bfe8..b7d2ea4 100644
> --- a/include/asm-powerpc/pci-bridge.h
> +++ b/include/asm-powerpc/pci-bridge.h
> @@ -93,6 +93,8 @@ extern int early_find_capability(struct pci_controller
> *hose, int bus,
> extern void setup_indirect_pci(struct pci_controller* hose,
> u32 cfg_addr, u32 cfg_data, u32 flags);
> extern void setup_grackle(struct pci_controller *hose);
> +extern void __init update_bridge_resource(struct pci_dev *dev,
> + struct resource *res);
>
> #else
>
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