git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| c4713074 | 1 | /* |
| a09e64fb | 2 | * arch/arm/mach-ixp23xx/include/mach/io.h |
| c4713074 LB |
3 | * |
| 4 | * Original Author: Naeem M Afzal <naeem.m.afzal@intel.com> | |
| 5 | * Maintainer: Deepak Saxena <dsaxena@plexity.net> | |
| 6 | * | |
| 7 | * Copyright (C) 2003-2005 Intel Corp. | |
| 8 | * Copyright (C) 2005 MontaVista Software, Inc | |
| 9 | * | |
| 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. | |
| 13 | */ | |
| 14 | ||
| 15 | #ifndef __ASM_ARCH_IO_H | |
| 16 | #define __ASM_ARCH_IO_H | |
| 17 | ||
| 18 | #define IO_SPACE_LIMIT 0xffffffff | |
| 19 | ||
| 20 | #define __io(p) ((void __iomem*)((p) + IXP23XX_PCI_IO_VIRT)) | |
| 21 | #define __mem_pci(a) (a) | |
| 22 | ||
| 23 | #include <linux/kernel.h> /* For BUG */ | |
| 24 | ||
| 25 | static inline void __iomem * | |
| 3603ab2b | 26 | ixp23xx_ioremap(unsigned long addr, unsigned long size, unsigned int mtype) |
| c4713074 LB |
27 | { |
| 28 | if (addr >= IXP23XX_PCI_MEM_START && | |
| 29 | addr <= IXP23XX_PCI_MEM_START + IXP23XX_PCI_MEM_SIZE) { | |
| 30 | if (addr + size > IXP23XX_PCI_MEM_START + IXP23XX_PCI_MEM_SIZE) | |
| 31 | return NULL; | |
| 32 | ||
| 33 | return (void __iomem *) | |
| 34 | ((addr - IXP23XX_PCI_MEM_START) + IXP23XX_PCI_MEM_VIRT); | |
| 35 | } | |
| 36 | ||
| 3603ab2b | 37 | return __arm_ioremap(addr, size, mtype); |
| c4713074 LB |
38 | } |
| 39 | ||
| 40 | static inline void | |
| 41 | ixp23xx_iounmap(void __iomem *addr) | |
| 42 | { | |
| 43 | if ((((u32)addr) >= IXP23XX_PCI_MEM_VIRT) && | |
| 44 | (((u32)addr) < IXP23XX_PCI_MEM_VIRT + IXP23XX_PCI_MEM_SIZE)) | |
| 45 | return; | |
| 46 | ||
| 47 | __iounmap(addr); | |
| 48 | } | |
| 49 | ||
| 50 | #define __arch_ioremap(a,s,f) ixp23xx_ioremap(a,s,f) | |
| 51 | #define __arch_iounmap(a) ixp23xx_iounmap(a) | |
| 52 | ||
| 53 | ||
| 54 | #endif |