1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __ISA_BRIDGE_H 3 #define __ISA_BRIDGE_H 4 5 #ifdef CONFIG_PPC64 6 7 extern void isa_bridge_find_early(struct pci_controller *hose); 8 extern void isa_bridge_init_non_pci(struct device_node *np); 9 10 static inline int isa_vaddr_is_ioport(void __iomem *address) 11 { 12 /* Check if address hits the reserved legacy IO range */ 13 unsigned long ea = (unsigned long)address; 14 return ea >= ISA_IO_BASE && ea < ISA_IO_END; 15 } 16 17 #else 18 19 static inline int isa_vaddr_is_ioport(void __iomem *address) 20 { 21 /* No specific ISA handling on ppc32 at this stage, it 22 * all goes through PCI 23 */ 24 return 0; 25 } 26 27 #endif 28 29 #endif /* __ISA_BRIDGE_H */ 30 31