projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * linux/include/asm-arm/arch-ixp4xx/memory.h | |
| 3 | * | |
| 4 | * Copyright (c) 2001-2004 MontaVista Software, Inc. | |
| 5 | */ | |
| 6 | ||
| 7 | #ifndef __ASM_ARCH_MEMORY_H | |
| 8 | #define __ASM_ARCH_MEMORY_H | |
| 9 | ||
| 10 | #include <asm/sizes.h> | |
| 11 | ||
| 12 | /* | |
| 13 | * Physical DRAM offset. | |
| 14 | */ | |
| f09b9979 | 15 | #define PHYS_OFFSET UL(0x00000000) |
| 1da177e4 | 16 | |
| 76bbb002 | 17 | #if !defined(__ASSEMBLY__) && defined(CONFIG_PCI) |
| 1da177e4 | 18 | |
| 313cbb55 | 19 | void ixp4xx_adjust_zones(int node, unsigned long *size, unsigned long *holes); |
| 1da177e4 LT |
20 | |
| 21 | #define arch_adjust_zones(node, size, holes) \ | |
| 313cbb55 | 22 | ixp4xx_adjust_zones(node, size, holes) |
| 1da177e4 LT |
23 | |
| 24 | #define ISA_DMA_THRESHOLD (SZ_64M - 1) | |
| 25 | ||
| 26 | #endif | |
| 27 | ||
| 28 | /* | |
| 29 | * Virtual view <-> DMA view memory address translations | |
| 30 | * virt_to_bus: Used to translate the virtual address to an | |
| 31 | * address suitable to be passed to set_dma_addr | |
| 32 | * bus_to_virt: Used to convert an address for DMA operations | |
| 33 | * to an address that the kernel can use. | |
| 34 | * | |
| 35 | * These are dummies for now. | |
| 36 | */ | |
| 37 | #define __virt_to_bus(x) __virt_to_phys(x) | |
| 38 | #define __bus_to_virt(x) __phys_to_virt(x) | |
| 39 | ||
| 40 | #endif |