mirror of
https://github.com/torvalds/linux.git
synced 2024-12-04 01:51:34 +00:00
74d02fb954
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>
49 lines
1011 B
C
49 lines
1011 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
|