* 2 of the License, or (at your option) any later version.
*/
-struct device_node;
-struct pci_controller;
-
-/* Get the PCI host controller for an OF device */
-extern struct pci_controller*
-pci_find_hose_for_OF_device(struct device_node* node);
-
-enum phb_types {
- phb_type_unknown = 0x0,
- phb_type_hypervisor = 0x1,
- phb_type_python = 0x10,
- phb_type_speedwagon = 0x11,
- phb_type_winnipeg = 0x12,
- phb_type_apple = 0xff
-};
-
/*
* Structure of a PCI controller (host bridge)
*/
struct pci_controller {
- char what[8]; /* Eye catcher */
- enum phb_types type; /* Type of hardware */
struct pci_bus *bus;
+ char is_dynamic;
void *arch_data;
struct list_head list_node;
int first_busno;
int last_busno;
- void *io_base_virt;
+ void __iomem *io_base_virt;
unsigned long io_base_phys;
/* Some machines have a non 1:1 mapping of
* the PCI memory space in the CPU bus space
*/
unsigned long pci_mem_offset;
+ unsigned long pci_io_size;
struct pci_ops *ops;
- volatile unsigned int *cfg_addr;
- volatile unsigned char *cfg_data;
+ volatile unsigned int __iomem *cfg_addr;
+ volatile unsigned char __iomem *cfg_data;
/* Currently, we limit ourselves to 1 IO range and 3 mem
* ranges since the common pci_bus structure can't handle more
*/
struct resource io_resource;
struct resource mem_resources[3];
- int mem_resource_count;
int global_number;
int local_number;
unsigned long buid;
unsigned long dma_window_size;
};
-/*
- * pci_device_loc returns the bus number and device/function number
- * for a device on a PCI bus, given its device_node struct.
- * It returns 0 if OK, -1 on error.
- */
-extern int pci_device_loc(struct device_node *dev, unsigned char *bus_ptr,
- unsigned char *devfn_ptr);
-
struct device_node *fetch_dev_dn(struct pci_dev *dev);
/* Get a device_node from a pci_dev. This code must be fast except in the case
*/
static inline struct device_node *pci_device_to_OF_node(struct pci_dev *dev)
{
- struct device_node *dn = (struct device_node *)(dev->sysdata);
- if (dn->devfn == dev->devfn && dn->busno == (dev->bus->number&0xff))
+ struct device_node *dn = dev->sysdata;
+
+ if (dn->devfn == dev->devfn && dn->busno == dev->bus->number)
return dn; /* fast path. sysdata is good */
else
return fetch_dev_dn(dev);
}
+static inline struct device_node *pci_bus_to_OF_node(struct pci_bus *bus)
+{
+ if (bus->self)
+ return pci_device_to_OF_node(bus->self);
+ else
+ return bus->sysdata; /* Must be root bus (PHB) */
+}
+
extern void pci_process_bridge_OF_ranges(struct pci_controller *hose,
- struct device_node *dev, int primary);
+ struct device_node *dev);
-/* Use this macro after the PCI bus walk for max performance when it
- * is known that sysdata is correct.
- */
-#define PCI_GET_DN(dev) ((struct device_node *)((dev)->sysdata))
+extern int pcibios_remove_root_bus(struct pci_controller *phb);
+
+extern void phbs_remap_io(void);
+
+static inline struct pci_controller *pci_bus_to_host(struct pci_bus *bus)
+{
+ struct device_node *busdn = bus->sysdata;
+
+ BUG_ON(busdn == NULL);
+ return busdn->phb;
+}
#endif
#endif /* __KERNEL__ */