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