1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * ppc64 "iomap" interface implementation.
4  *
5  * (C) Copyright 2004 Linus Torvalds
6  */
7 #include <linux/pci.h>
8 #include <linux/mm.h>
9 #include <linux/export.h>
10 #include <asm/io.h>
11 #include <asm/pci-bridge.h>
12 #include <asm/isa-bridge.h>
13 
ioport_map(unsigned long port,unsigned int len)14 void __iomem *ioport_map(unsigned long port, unsigned int len)
15 {
16 	return (void __iomem *) (port + _IO_BASE);
17 }
18 EXPORT_SYMBOL(ioport_map);
19 
20 #ifdef CONFIG_PCI
pci_iounmap(struct pci_dev * dev,void __iomem * addr)21 void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
22 {
23 	if (isa_vaddr_is_ioport(addr))
24 		return;
25 	if (pcibios_vaddr_is_ioport(addr))
26 		return;
27 	iounmap(addr);
28 }
29 
30 EXPORT_SYMBOL(pci_iounmap);
31 #endif /* CONFIG_PCI */
32