diff options
Diffstat (limited to 'arch/arm/mach-ixp2000/include/mach/io.h')
| -rw-r--r-- | arch/arm/mach-ixp2000/include/mach/io.h | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/arch/arm/mach-ixp2000/include/mach/io.h b/arch/arm/mach-ixp2000/include/mach/io.h deleted file mode 100644 index f6552d6f35ab..000000000000 --- a/arch/arm/mach-ixp2000/include/mach/io.h +++ /dev/null @@ -1,133 +0,0 @@ -/* - * arch/arm/mach-ixp2000/include/mach/io.h - * - * Original Author: Naeem M Afzal <naeem.m.afzal@intel.com> - * Maintainer: Deepak Saxena <dsaxena@plexity.net> - * - * Copyright (C) 2002 Intel Corp. - * Copyrgiht (C) 2003-2004 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_ARM_ARCH_IO_H -#define __ASM_ARM_ARCH_IO_H - -#include <mach/hardware.h> - -#define IO_SPACE_LIMIT 0xffffffff - -/* - * The A? revisions of the IXP2000s assert byte lanes for PCI I/O - * transactions the other way round (MEM transactions don't have this - * issue), so if we want to support those models, we need to override - * the standard I/O functions. - * - * B0 and later have a bit that can be set to 1 to get the proper - * behavior for I/O transactions, which then allows us to use the - * standard I/O functions. This is what we do if the user does not - * explicitly ask for support for pre-B0. - */ -#ifdef CONFIG_IXP2000_SUPPORT_BROKEN_PCI_IO -#define ___io(p) ((void __iomem *)((p)+IXP2000_PCI_IO_VIRT_BASE)) - -#define alignb(addr) (void __iomem *)((unsigned long)(addr) ^ 3) -#define alignw(addr) (void __iomem *)((unsigned long)(addr) ^ 2) - -#define outb(v,p) __raw_writeb((v),alignb(___io(p))) -#define outw(v,p) __raw_writew((v),alignw(___io(p))) -#define outl(v,p) __raw_writel((v),___io(p)) - -#define inb(p) ({ unsigned int __v = __raw_readb(alignb(___io(p))); __v; }) -#define inw(p) \ - ({ unsigned int __v = (__raw_readw(alignw(___io(p)))); __v; }) -#define inl(p) \ - ({ unsigned int __v = (__raw_readl(___io(p))); __v; }) - -#define outsb(p,d,l) __raw_writesb(alignb(___io(p)),d,l) -#define outsw(p,d,l) __raw_writesw(alignw(___io(p)),d,l) -#define outsl(p,d,l) __raw_writesl(___io(p),d,l) - -#define insb(p,d,l) __raw_readsb(alignb(___io(p)),d,l) -#define insw(p,d,l) __raw_readsw(alignw(___io(p)),d,l) -#define insl(p,d,l) __raw_readsl(___io(p),d,l) - -#define __is_io_address(p) ((((unsigned long)(p)) & ~(IXP2000_PCI_IO_SIZE - 1)) == IXP2000_PCI_IO_VIRT_BASE) - -#define ioread8(p) \ - ({ \ - unsigned int __v; \ - \ - if (__is_io_address(p)) { \ - __v = __raw_readb(alignb(p)); \ - } else { \ - __v = __raw_readb(p); \ - } \ - \ - __v; \ - }) \ - -#define ioread16(p) \ - ({ \ - unsigned int __v; \ - \ - if (__is_io_address(p)) { \ - __v = __raw_readw(alignw(p)); \ - } else { \ - __v = le16_to_cpu(__raw_readw(p)); \ - } \ - \ - __v; \ - }) - -#define ioread32(p) \ - ({ \ - unsigned int __v; \ - \ - if (__is_io_address(p)) { \ - __v = __raw_readl(p); \ - } else { \ - __v = le32_to_cpu(__raw_readl(p)); \ - } \ - \ - __v; \ - }) - -#define iowrite8(v,p) \ - ({ \ - if (__is_io_address(p)) { \ - __raw_writeb((v), alignb(p)); \ - } else { \ - __raw_writeb((v), p); \ - } \ - }) - -#define iowrite16(v,p) \ - ({ \ - if (__is_io_address(p)) { \ - __raw_writew((v), alignw(p)); \ - } else { \ - __raw_writew(cpu_to_le16(v), p); \ - } \ - }) - -#define iowrite32(v,p) \ - ({ \ - if (__is_io_address(p)) { \ - __raw_writel((v), p); \ - } else { \ - __raw_writel(cpu_to_le32(v), p); \ - } \ - }) - -#define ioport_map(port, nr) ___io(port) - -#define ioport_unmap(addr) -#else -#define __io(p) ((void __iomem *)((p)+IXP2000_PCI_IO_VIRT_BASE)) -#endif - - -#endif |