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/*
* linux/include/asm-arm/arch-iop3xx/memory.h
*/
#ifndef __ASM_ARCH_MEMORY_H
#define __ASM_ARCH_MEMORY_H
#include <linux/config.h>
#include <asm/hardware.h>
/*
* Physical DRAM offset.
*/
#ifndef CONFIG_ARCH_IOP331
#define PHYS_OFFSET (0xa0000000UL)
#else
#define PHYS_OFFSET (0x00000000UL)
#endif
/*
* 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.
*/
#if defined(CONFIG_ARCH_IOP321)
#define __virt_to_bus(x) (((__virt_to_phys(x)) & ~(*IOP321_IATVR2)) | ((*IOP321_IABAR2) & 0xfffffff0))
#define __bus_to_virt(x) (__phys_to_virt(((x) & ~(*IOP321_IALR2)) | ( *IOP321_IATVR2)))
#elif defined(CONFIG_ARCH_IOP331)
#define __virt_to_bus(x) (((__virt_to_phys(x)) & ~(*IOP331_IATVR2)) | ((*IOP331_IABAR2) & 0xfffffff0))
#define __bus_to_virt(x) (__phys_to_virt(((x) & ~(*IOP331_IALR2)) | ( *IOP331_IATVR2)))
#endif
#endif
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