linux/include/asm-arm/arch-shark/memory.h
Russell King 74d02fb954 [ARM] Move FLUSH_BASE macros to asm/arch/memory.h
FLUSH_BASE must be visible to arch/arm/mm/init.c in order for the
memory region to be setup.  Move these definitions from
asm-arm/arch-*/hardware.h into asm-arm/arch-*/memory.h where mm
stuff can see them.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-04-07 13:22:21 +01:00

48 lines
1,011 B
C

/*
* linux/include/asm-arm/arch-shark/memory.h
*
* by Alexander Schulz
*
* derived from:
* linux/include/asm-arm/arch-ebsa110/memory.h
* Copyright (c) 1996-1999 Russell King.
*/
#ifndef __ASM_ARCH_MEMORY_H
#define __ASM_ARCH_MEMORY_H
#include <asm/sizes.h>
/*
* Physical DRAM offset.
*/
#define PHYS_OFFSET UL(0x08000000)
#ifndef __ASSEMBLY__
static inline void __arch_adjust_zones(int node, unsigned long *zone_size, unsigned long *zhole_size)
{
if (node != 0) return;
/* Only the first 4 MB (=1024 Pages) are usable for DMA */
zone_size[1] = zone_size[0] - 1024;
zone_size[0] = 1024;
zhole_size[1] = zhole_size[0];
zhole_size[0] = 0;
}
#define arch_adjust_zones(node, size, holes) \
__arch_adjust_zones(node, size, holes)
#define ISA_DMA_THRESHOLD (PHYS_OFFSET + SZ_4M - 1)
#endif
#define __virt_to_bus(x) __virt_to_phys(x)
#define __bus_to_virt(x) __phys_to_virt(x)
/*
* Cache flushing area
*/
#define FLUSH_BASE_PHYS 0x80000000
#define FLUSH_BASE 0xdf000000
#endif