1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __ISA_BRIDGE_H
 3#define __ISA_BRIDGE_H
 4
 5#ifdef CONFIG_PPC64
 6
 7extern void isa_bridge_find_early(struct pci_controller *hose);
 8extern void isa_bridge_init_non_pci(struct device_node *np);
 9
10static 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
19static 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