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
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
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
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