linux-sg2042/include/asm-arm/arch-iop32x/memory.h

27 lines
564 B
C

/*
* include/asm-arm/arch-iop32x/memory.h
*/
#ifndef __MEMORY_H
#define __MEMORY_H
#include <asm/hardware.h>
/*
* Physical DRAM offset.
*/
#define PHYS_OFFSET UL(0xa0000000)
/*
* Virtual view <-> PCI 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.
*/
#define __virt_to_bus(x) (__virt_to_phys(x))
#define __bus_to_virt(x) (__phys_to_virt(x))
#endif