mirror of
https://github.com/torvalds/linux.git
synced 2024-12-26 21:02:19 +00:00
deb9a75e62
Remove IO_SPACE_LIMIT definitions from platforms which have a well defined ISA or PCI, and has a 64K window. EBSA110 - well defined set of ISA devices. Footbridge, Integrator, IXP4xx, VT8500 - PCI platforms. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
45 lines
972 B
C
45 lines
972 B
C
/*
|
|
* arch/arm/mach-footbridge/include/mach/io.h
|
|
*
|
|
* Copyright (C) 1997-1999 Russell King
|
|
*
|
|
* 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.
|
|
*
|
|
* Modifications:
|
|
* 06-12-1997 RMK Created.
|
|
* 07-04-1999 RMK Major cleanup
|
|
*/
|
|
#ifndef __ASM_ARM_ARCH_IO_H
|
|
#define __ASM_ARM_ARCH_IO_H
|
|
|
|
#ifdef CONFIG_MMU
|
|
#define MMU_IO(a, b) (a)
|
|
#else
|
|
#define MMU_IO(a, b) (b)
|
|
#endif
|
|
|
|
#define PCIO_SIZE 0x00100000
|
|
#define PCIO_BASE MMU_IO(0xff000000, 0x7c000000)
|
|
|
|
/*
|
|
* Translation of various region addresses to virtual addresses
|
|
*/
|
|
#define __io(a) ((void __iomem *)(PCIO_BASE + (a)))
|
|
#if 1
|
|
#define __mem_pci(a) (a)
|
|
#else
|
|
|
|
static inline void __iomem *___mem_pci(void __iomem *p)
|
|
{
|
|
unsigned long a = (unsigned long)p;
|
|
BUG_ON(a <= 0xc0000000 || a >= 0xe0000000);
|
|
return p;
|
|
}
|
|
|
|
#define __mem_pci(a) ___mem_pci(a)
|
|
#endif
|
|
|
|
#endif
|