OpenCloudOS-Kernel/include/asm-arm/arch-h720x/memory.h

32 lines
764 B
C

/*
* linux/include/asm-arm/arch-h720x/memory.h
*
* Copyright (c) 2000 Jungjun Kim
*
*/
#ifndef __ASM_ARCH_MEMORY_H
#define __ASM_ARCH_MEMORY_H
/*
* Page offset:
* ( 0xc0000000UL )
*/
#define PHYS_OFFSET (0x40000000UL)
/*
* Virtual view <-> DMA view memory address translations
* virt_to_bus: Used to translate the virtual address to an
* address suitable to be passed to set_dma_addr
* bus_to_virt: Used to convert an address for DMA operations
* to an address that the kernel can use.
*
* There is something to do here later !, Mar 2000, Jungjun Kim
*/
#define __virt_to_bus__is_a_macro
#define __virt_to_bus(x) __virt_to_phys(x)
#define __bus_to_virt__is_a_macro
#define __bus_to_virt(x) __phys_to_virt(x)
#endif