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Diffstat (limited to 'include/asm-powerpc/pci-bridge.h')
-rw-r--r--include/asm-powerpc/pci-bridge.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/include/asm-powerpc/pci-bridge.h b/include/asm-powerpc/pci-bridge.h
index d53e0eb1de1..e909769b641 100644
--- a/include/asm-powerpc/pci-bridge.h
+++ b/include/asm-powerpc/pci-bridge.h
@@ -71,6 +71,14 @@ static inline struct pci_controller *pci_bus_to_host(struct pci_bus *bus)
return bus->sysdata;
}
+static inline int isa_vaddr_is_ioport(void __iomem *address)
+{
+ /* No specific ISA handling on ppc32 at this stage, it
+ * all goes through PCI
+ */
+ return 0;
+}
+
/* These are used for config access before all the PCI probing
has been done. */
int early_read_config_byte(struct pci_controller *hose, int bus, int dev_fn,
@@ -241,6 +249,13 @@ extern void pcibios_free_controller(struct pci_controller *phb);
extern void isa_bridge_find_early(struct pci_controller *hose);
+static inline int isa_vaddr_is_ioport(void __iomem *address)
+{
+ /* Check if address hits the reserved legacy IO range */
+ unsigned long ea = (unsigned long)address;
+ return ea >= ISA_IO_BASE && ea < ISA_IO_END;
+}
+
extern int pcibios_unmap_io_space(struct pci_bus *bus);
extern int pcibios_map_io_space(struct pci_bus *bus);
@@ -271,11 +286,16 @@ extern struct pci_controller *
pcibios_alloc_controller(struct device_node *dev);
#ifdef CONFIG_PCI
extern unsigned long pci_address_to_pio(phys_addr_t address);
+extern int pcibios_vaddr_is_ioport(void __iomem *address);
#else
static inline unsigned long pci_address_to_pio(phys_addr_t address)
{
return (unsigned long)-1;
}
+static inline int pcibios_vaddr_is_ioport(void __iomem *address)
+{
+ return 0;
+}
#endif