| /* |
| * arch/arm/mach-ixp23xx/include/mach/io.h |
| * |
| * Original Author: Naeem M Afzal <naeem.m.afzal@intel.com> |
| * Maintainer: Deepak Saxena <dsaxena@plexity.net> |
| * |
| * Copyright (C) 2003-2005 Intel Corp. |
| * Copyright (C) 2005 MontaVista Software, Inc |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| |
| #ifndef __ASM_ARCH_IO_H |
| #define __ASM_ARCH_IO_H |
| |
| #define IO_SPACE_LIMIT 0xffffffff |
| |
| #define __io(p) ((void __iomem*)((p) + IXP23XX_PCI_IO_VIRT)) |
| #define __mem_pci(a) (a) |
| |
| static inline void __iomem * |
| ixp23xx_ioremap(unsigned long addr, unsigned long size, unsigned int mtype) |
| { |
| if (addr >= IXP23XX_PCI_MEM_START && |
| addr <= IXP23XX_PCI_MEM_START + IXP23XX_PCI_MEM_SIZE) { |
| if (addr + size > IXP23XX_PCI_MEM_START + IXP23XX_PCI_MEM_SIZE) |
| return NULL; |
| |
| return (void __iomem *) |
| ((addr - IXP23XX_PCI_MEM_START) + IXP23XX_PCI_MEM_VIRT); |
| } |
| |
| return __arm_ioremap(addr, size, mtype); |
| } |
| |
| static inline void |
| ixp23xx_iounmap(void __iomem *addr) |
| { |
| if ((((u32)addr) >= IXP23XX_PCI_MEM_VIRT) && |
| (((u32)addr) < IXP23XX_PCI_MEM_VIRT + IXP23XX_PCI_MEM_SIZE)) |
| return; |
| |
| __iounmap(addr); |
| } |
| |
| #define __arch_ioremap ixp23xx_ioremap |
| #define __arch_iounmap ixp23xx_iounmap |
| |
| |
| #endif |
