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]>
---
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
--
1.5.2.2
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