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| author | Timothy Pearson <tpearson@raptorengineering.com> | 2017-08-23 14:45:25 -0500 |
|---|---|---|
| committer | Timothy Pearson <tpearson@raptorengineering.com> | 2017-08-23 14:45:25 -0500 |
| commit | fcbb27b0ec6dcbc5a5108cb8fb19eae64593d204 (patch) | |
| tree | 22962a4387943edc841c72a4e636a068c66d58fd /arch/arm/mach-h720x/include/mach/memory.h | |
| download | ast2050-linux-kernel-fcbb27b0ec6dcbc5a5108cb8fb19eae64593d204.zip ast2050-linux-kernel-fcbb27b0ec6dcbc5a5108cb8fb19eae64593d204.tar.gz | |
Initial import of modified Linux 2.6.28 tree
Original upstream URL:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git | branch linux-2.6.28.y
Diffstat (limited to 'arch/arm/mach-h720x/include/mach/memory.h')
| -rw-r--r-- | arch/arm/mach-h720x/include/mach/memory.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/arm/mach-h720x/include/mach/memory.h b/arch/arm/mach-h720x/include/mach/memory.h new file mode 100644 index 0000000..cb26f49 --- /dev/null +++ b/arch/arm/mach-h720x/include/mach/memory.h @@ -0,0 +1,29 @@ +/* + * arch/arm/mach-h720x/include/mach/memory.h + * + * Copyright (c) 2000 Jungjun Kim + * + */ +#ifndef __ASM_ARCH_MEMORY_H +#define __ASM_ARCH_MEMORY_H + +/* + * Page offset: + * ( 0xc0000000UL ) + */ +#define PHYS_OFFSET UL(0x40000000) + +/* + * Virtual view <-> 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. + * + * There is something to do here later !, Mar 2000, Jungjun Kim + */ + +#define __virt_to_bus(x) __virt_to_phys(x) +#define __bus_to_virt(x) __phys_to_virt(x) + +#endif |
