You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
54 lines
1.3 KiB
54 lines
1.3 KiB
/*
|
|
* include/asm-arm/arch-ixp23xx/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)
|
|
|
|
#include <linux/kernel.h> /* For BUG */
|
|
|
|
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(a,s,f) ixp23xx_ioremap(a,s,f)
|
|
#define __arch_iounmap(a) ixp23xx_iounmap(a)
|
|
|
|
|
|
#endif
|
|
|