]> err.no Git - linux-2.6/blob - include/asm-arm/arch-iop32x/memory.h
[ARM] 3817/1: iop3xx: split the iop3xx mach into iop32x and iop33x
[linux-2.6] / include / asm-arm / arch-iop32x / memory.h
1 /*
2  * linux/include/asm-arm/arch-iop32x/memory.h
3  */
4
5 #ifndef __ASM_ARCH_MEMORY_H
6 #define __ASM_ARCH_MEMORY_H
7
8 #include <asm/hardware.h>
9
10 /*
11  * Physical DRAM offset.
12  */
13 #define PHYS_OFFSET     UL(0xa0000000)
14
15 /*
16  * Virtual view <-> PCI DMA view memory address translations
17  * virt_to_bus: Used to translate the virtual address to an
18  *              address suitable to be passed to set_dma_addr
19  * bus_to_virt: Used to convert an address for DMA operations
20  *              to an address that the kernel can use.
21  */
22
23 #define __virt_to_bus(x)        (((__virt_to_phys(x)) & ~(*IOP321_IATVR2)) | ((*IOP321_IABAR2) & 0xfffffff0))
24 #define __bus_to_virt(x)    (__phys_to_virt(((x) & ~(*IOP321_IALR2)) | ( *IOP321_IATVR2)))
25
26
27 #endif