1 | // SPDX-License-Identifier: GPL-2.0 |
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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 |