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-rw-r--r--include/asm-powerpc/pci-bridge.h9
-rw-r--r--include/asm-powerpc/prom.h28
-rw-r--r--include/asm-ppc/pci-bridge.h9
-rw-r--r--include/asm-ppc/prom.h28
4 files changed, 68 insertions, 6 deletions
diff --git a/include/asm-powerpc/pci-bridge.h b/include/asm-powerpc/pci-bridge.h
index 00d21513d00..01132bb602e 100644
--- a/include/asm-powerpc/pci-bridge.h
+++ b/include/asm-powerpc/pci-bridge.h
@@ -156,6 +156,15 @@ extern struct pci_controller *
pcibios_alloc_controller(struct device_node *dev);
extern void pcibios_free_controller(struct pci_controller *phb);
+#ifdef CONFIG_PCI
+extern unsigned int pci_address_to_pio(phys_addr_t address);
+#else
+static inline unsigned int pci_address_to_pio(phys_addr_t address)
+{
+ return (unsigned int)-1;
+}
+#endif
+
/* Return values for ppc_md.pci_probe_mode function */
#define PCI_PROBE_NONE -1 /* Don't look at this bus at all */
#define PCI_PROBE_NORMAL 0 /* Do normal PCI probing */
diff --git a/include/asm-powerpc/prom.h b/include/asm-powerpc/prom.h
index fb732c992bd..73d27bad55f 100644
--- a/include/asm-powerpc/prom.h
+++ b/include/asm-powerpc/prom.h
@@ -223,14 +223,36 @@ extern struct resource *request_OF_resource(struct device_node* node,
int index, const char* name_postfix);
extern int release_OF_resource(struct device_node* node, int index);
+
/*
- * Address translation function(s)
+ * OF address retreival & translation
+ */
+
+
+/* Translate an OF address block into a CPU physical address
*/
#define OF_BAD_ADDR ((u64)-1)
extern u64 of_translate_address(struct device_node *np, u32 *addr);
-extern u32 *of_get_address(struct device_node *dev, int index, u64 *size);
-extern u32 *of_get_pci_address(struct device_node *dev, int bar_no, u64 *size);
+/* Extract an address from a device, returns the region size and
+ * the address space flags too. The PCI version uses a BAR number
+ * instead of an absolute index
+ */
+extern u32 *of_get_address(struct device_node *dev, int index,
+ u64 *size, unsigned int *flags);
+extern u32 *of_get_pci_address(struct device_node *dev, int bar_no,
+ u64 *size, unsigned int *flags);
+
+/* Get an address as a resource. Note that if your address is
+ * a PIO address, the conversion will fail if the physical address
+ * can't be internally converted to an IO token with
+ * pci_address_to_pio(), that is because it's either called to early
+ * or it can't be matched to any host bridge IO space
+ */
+extern int of_address_to_resource(struct device_node *dev, int index,
+ struct resource *r);
+extern int of_pci_address_to_resource(struct device_node *dev, int bar,
+ struct resource *r);
#endif /* __KERNEL__ */
#endif /* _POWERPC_PROM_H */
diff --git a/include/asm-ppc/pci-bridge.h b/include/asm-ppc/pci-bridge.h
index e58c78f90a5..95672ddfe52 100644
--- a/include/asm-ppc/pci-bridge.h
+++ b/include/asm-ppc/pci-bridge.h
@@ -137,5 +137,14 @@ static inline unsigned char bridge_swizzle(unsigned char pin,
*/
extern int pciauto_bus_scan(struct pci_controller *, int);
+#ifdef CONFIG_PCI
+extern unsigned int pci_address_to_pio(phys_addr_t address);
+#else
+static inline unsigned int pci_address_to_pio(phys_addr_t address)
+{
+ return (unsigned int)-1;
+}
+#endif
+
#endif
#endif /* __KERNEL__ */
diff --git a/include/asm-ppc/prom.h b/include/asm-ppc/prom.h
index a10a2d64b30..eb317a0806e 100644
--- a/include/asm-ppc/prom.h
+++ b/include/asm-ppc/prom.h
@@ -138,12 +138,34 @@ extern unsigned long sub_reloc_offset(unsigned long);
/*
- * Address translation function(s)
+ * OF address retreival & translation
+ */
+
+
+/* Translate an OF address block into a CPU physical address
*/
#define OF_BAD_ADDR ((u64)-1)
extern u64 of_translate_address(struct device_node *np, u32 *addr);
-extern u32 *of_get_address(struct device_node *dev, int index, u64 *size);
-extern u32 *of_get_pci_address(struct device_node *dev, int bar_no, u64 *size);
+
+/* Extract an address from a device, returns the region size and
+ * the address space flags too. The PCI version uses a BAR number
+ * instead of an absolute index
+ */
+extern u32 *of_get_address(struct device_node *dev, int index,
+ u64 *size, unsigned int *flags);
+extern u32 *of_get_pci_address(struct device_node *dev, int bar_no,
+ u64 *size, unsigned int *flags);
+
+/* Get an address as a resource. Note that if your address is
+ * a PIO address, the conversion will fail if the physical address
+ * can't be internally converted to an IO token with
+ * pci_address_to_pio(), that is because it's either called to early
+ * or it can't be matched to any host bridge IO space
+ */
+extern int of_address_to_resource(struct device_node *dev, int index,
+ struct resource *r);
+extern int of_pci_address_to_resource(struct device_node *dev, int bar,
+ struct resource *r);
#endif /* _PPC_PROM_H */