| Quinn Jensen | 52c543f | 2007-07-09 22:06:53 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved. |
| 3 | */ |
| 4 | |
| 5 | /* |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License version 2 as |
| 8 | * published by the Free Software Foundation. |
| 9 | */ |
| 10 | |
| 11 | #ifndef __ASM_ARCH_MXC_MEMORY_H__ |
| 12 | #define __ASM_ARCH_MXC_MEMORY_H__ |
| 13 | |
| 14 | #include <asm/hardware.h> |
| 15 | |
| 16 | /*! |
| 17 | * @file memory.h |
| 18 | * @brief This file contains macros needed by the Linux kernel and drivers. |
| 19 | * |
| 20 | * @ingroup Memory |
| 21 | */ |
| 22 | |
| 23 | /*! |
| 24 | * Virtual view <-> DMA view memory address translations |
| 25 | * This macro is used to translate the virtual address to an address |
| 26 | * suitable to be passed to set_dma_addr() |
| 27 | */ |
| 28 | #define __virt_to_bus(a) __virt_to_phys(a) |
| 29 | |
| 30 | /*! |
| 31 | * Used to convert an address for DMA operations to an address that the |
| 32 | * kernel can use. |
| 33 | */ |
| 34 | #define __bus_to_virt(a) __phys_to_virt(a) |
| 35 | |
| 36 | #endif /* __ASM_ARCH_MXC_MEMORY_H__ */ |