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Diffstat (limited to 'include/asm-arm/arch-mxc/memory.h')
-rw-r--r-- | include/asm-arm/arch-mxc/memory.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/include/asm-arm/arch-mxc/memory.h b/include/asm-arm/arch-mxc/memory.h new file mode 100644 index 000000000000..c89aac83a407 --- /dev/null +++ b/include/asm-arm/arch-mxc/memory.h | |||
@@ -0,0 +1,36 @@ | |||
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__ */ | ||