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