projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| c53c9cf6 | 1 | /* |
| a09e64fb | 2 | * arch/arm/mach-ks8695/include/mach/memory.h |
| c53c9cf6 AV |
3 | * |
| 4 | * Copyright (C) 2006 Andrew Victor | |
| 5 | * | |
| 6 | * KS8695 Memory definitions | |
| 7 | * | |
| 8 | * This file is licensed under the terms of the GNU General Public | |
| 9 | * License version 2. This program is licensed "as is" without any | |
| 10 | * warranty of any kind, whether express or implied. | |
| 11 | */ | |
| 12 | ||
| 13 | #ifndef __ASM_ARCH_MEMORY_H | |
| 14 | #define __ASM_ARCH_MEMORY_H | |
| 15 | ||
| a09e64fb | 16 | #include <mach/hardware.h> |
| c53c9cf6 AV |
17 | |
| 18 | /* | |
| 19 | * Physical SRAM offset. | |
| 20 | */ | |
| 21 | #define PHYS_OFFSET KS8695_SDRAM_PA | |
| 22 | ||
| 23 | #ifndef __ASSEMBLY__ | |
| 24 | ||
| 25 | #ifdef CONFIG_PCI | |
| 26 | ||
| 27 | /* PCI mappings */ | |
| 28 | #define __virt_to_bus(x) ((x) - PAGE_OFFSET + KS8695_PCIMEM_PA) | |
| 29 | #define __bus_to_virt(x) ((x) - KS8695_PCIMEM_PA + PAGE_OFFSET) | |
| 30 | ||
| 31 | /* Platform-bus mapping */ | |
| 32 | extern struct bus_type platform_bus_type; | |
| 33 | #define is_lbus_device(dev) (dev && dev->bus == &platform_bus_type) | |
| 8e6c81fe AV |
34 | #define __arch_dma_to_virt(dev, x) ({ (void *) (is_lbus_device(dev) ? \ |
| 35 | __phys_to_virt(x) : __bus_to_virt(x)); }) | |
| c53c9cf6 AV |
36 | #define __arch_virt_to_dma(dev, x) ({ is_lbus_device(dev) ? \ |
| 37 | (dma_addr_t)__virt_to_phys(x) : (dma_addr_t)__virt_to_bus(x); }) | |
| 38 | #define __arch_page_to_dma(dev, x) __arch_virt_to_dma(dev, page_address(x)) | |
| 39 | ||
| c53c9cf6 AV |
40 | #endif |
| 41 | ||
| 42 | #endif | |
| 43 | ||
| 44 | #endif |