summaryrefslogtreecommitdiff
path: root/include/asm-powerpc/prom.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-powerpc/prom.h')
-rw-r--r--include/asm-powerpc/prom.h71
1 files changed, 31 insertions, 40 deletions
diff --git a/include/asm-powerpc/prom.h b/include/asm-powerpc/prom.h
index f999df1c5c90..329e9bf62260 100644
--- a/include/asm-powerpc/prom.h
+++ b/include/asm-powerpc/prom.h
@@ -65,49 +65,11 @@ struct boot_param_header
typedef u32 phandle;
typedef u32 ihandle;
-struct address_range {
- unsigned long space;
- unsigned long address;
- unsigned long size;
-};
-
struct interrupt_info {
int line;
int sense; /* +ve/-ve logic, edge or level, etc. */
};
-struct pci_address {
- u32 a_hi;
- u32 a_mid;
- u32 a_lo;
-};
-
-struct isa_address {
- u32 a_hi;
- u32 a_lo;
-};
-
-struct isa_range {
- struct isa_address isa_addr;
- struct pci_address pci_addr;
- unsigned int size;
-};
-
-struct reg_property {
- unsigned long address;
- unsigned long size;
-};
-
-struct reg_property32 {
- unsigned int address;
- unsigned int size;
-};
-
-struct reg_property64 {
- u64 address;
- u64 size;
-};
-
struct property {
char *name;
int length;
@@ -120,8 +82,6 @@ struct device_node {
char *type;
phandle node;
phandle linux_phandle;
- int n_addrs;
- struct address_range *addrs;
int n_intrs;
struct interrupt_info *intrs;
char *full_name;
@@ -223,5 +183,36 @@ 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);
+
+/*
+ * 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);
+
+/* 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 */