include/asm-ppc/pci-bridge.h

   1 #ifndef _ASM_PCI_BRIDGE_H
   2 #define _ASM_PCI_BRIDGE_H
   3
   4 unsigned long pmac_find_bridges(unsigned long, unsigned long);
   5
   6 /*
   7  * pci_io_base returns the memory address at which you can access
   8  * the I/O space for PCI bus number `bus' (or NULL on error).
   9  */
  10 void *pci_io_base(unsigned int bus);
  11
  12 /*
  13  * pci_device_loc returns the bus number and device/function number
  14  * for a device on a PCI bus, given its device_node struct.
  15  * It returns 0 if OK, -1 on error.
  16  */
  17 int pci_device_loc(struct device_node *dev, unsigned char *bus_ptr,
  18                    unsigned char *devfn_ptr);
  19
  20 struct bridge_data {
  21         volatile unsigned int *cfg_addr;
  22         volatile unsigned char *cfg_data;
  23         void *io_base;
  24         int bus_number;
  25         int max_bus;
  26         struct bridge_data *next;
  27         struct device_node *node;
  28 };
  29
  30 #endif