| 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 |