arch/powerpc/include/asm/isa-bridge.h

   1 #ifndef __ISA_BRIDGE_H
   2 #define __ISA_BRIDGE_H
   3
   4 #ifdef CONFIG_PPC64
   5
   6 extern void isa_bridge_find_early(struct pci_controller *hose);
   7 extern void isa_bridge_init_non_pci(struct device_node *np);
   8
   9 static inline int isa_vaddr_is_ioport(void __iomem *address)
  10 {
  11         /* Check if address hits the reserved legacy IO range */
  12         unsigned long ea = (unsigned long)address;
  13         return ea >= ISA_IO_BASE && ea < ISA_IO_END;
  14 }
  15
  16 #else
  17
  18 static inline int isa_vaddr_is_ioport(void __iomem *address)
  19 {
  20         /* No specific ISA handling on ppc32 at this stage, it
  21          * all goes through PCI
  22          */
  23         return 0;
  24 }
  25
  26 #endif
  27
  28 #endif /* __ISA_BRIDGE_H */
  29