| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * linux/include/asm-arm/arch-h720x/memory.h |
| 3 | * |
| 4 | * Copyright (c) 2000 Jungjun Kim |
| 5 | * |
| 6 | */ |
| 7 | #ifndef __ASM_ARCH_MEMORY_H |
| 8 | #define __ASM_ARCH_MEMORY_H |
| 9 | |
| 10 | /* |
| 11 | * Page offset: |
| 12 | * ( 0xc0000000UL ) |
| 13 | */ |
| Nicolas Pitre | f09b997 | 2005-10-29 21:44:55 +0100 | [diff] [blame] | 14 | #define PHYS_OFFSET UL(0x40000000) |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 15 | |
| 16 | /* |
| 17 | * Virtual view <-> DMA view memory address translations |
| 18 | * virt_to_bus: Used to translate the virtual address to an |
| 19 | * address suitable to be passed to set_dma_addr |
| 20 | * bus_to_virt: Used to convert an address for DMA operations |
| 21 | * to an address that the kernel can use. |
| 22 | * |
| 23 | * There is something to do here later !, Mar 2000, Jungjun Kim |
| 24 | */ |
| 25 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | #define __virt_to_bus(x) __virt_to_phys(x) |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | #define __bus_to_virt(x) __phys_to_virt(x) |
| 28 | |
| 29 | #endif |