Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[linux-btrfs-devel.git] / arch / arm / mach-ixp23xx / include / mach / io.h
bloba1749d0fd8961df2d2f57068950660146b325302
1 /*
2 * arch/arm/mach-ixp23xx/include/mach/io.h
4 * Original Author: Naeem M Afzal <naeem.m.afzal@intel.com>
5 * Maintainer: Deepak Saxena <dsaxena@plexity.net>
7 * Copyright (C) 2003-2005 Intel Corp.
8 * Copyright (C) 2005 MontaVista Software, Inc
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
15 #ifndef __ASM_ARCH_IO_H
16 #define __ASM_ARCH_IO_H
18 #define IO_SPACE_LIMIT 0xffffffff
20 #define __io(p) ((void __iomem*)((p) + IXP23XX_PCI_IO_VIRT))
21 #define __mem_pci(a) (a)
23 static inline void __iomem *
24 ixp23xx_ioremap(unsigned long addr, unsigned long size, unsigned int mtype)
26 if (addr >= IXP23XX_PCI_MEM_START &&
27 addr <= IXP23XX_PCI_MEM_START + IXP23XX_PCI_MEM_SIZE) {
28 if (addr + size > IXP23XX_PCI_MEM_START + IXP23XX_PCI_MEM_SIZE)
29 return NULL;
31 return (void __iomem *)
32 ((addr - IXP23XX_PCI_MEM_START) + IXP23XX_PCI_MEM_VIRT);
35 return __arm_ioremap(addr, size, mtype);
38 static inline void
39 ixp23xx_iounmap(void __iomem *addr)
41 if ((((u32)addr) >= IXP23XX_PCI_MEM_VIRT) &&
42 (((u32)addr) < IXP23XX_PCI_MEM_VIRT + IXP23XX_PCI_MEM_SIZE))
43 return;
45 __iounmap(addr);
48 #define __arch_ioremap ixp23xx_ioremap
49 #define __arch_iounmap ixp23xx_iounmap
52 #endif