diff options
Diffstat (limited to 'include/asm-arm/arch-ks8695/memory.h')
| -rw-r--r-- | include/asm-arm/arch-ks8695/memory.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/include/asm-arm/arch-ks8695/memory.h b/include/asm-arm/arch-ks8695/memory.h new file mode 100644 index 000000000000..24f6a6e4a302 --- /dev/null +++ b/include/asm-arm/arch-ks8695/memory.h | |||
| @@ -0,0 +1,49 @@ | |||
| 1 | /* | ||
| 2 | * include/asm-arm/arch-ks8695/memory.h | ||
| 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 | |||
| 16 | #include <asm/hardware.h> | ||
| 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) | ||
| 34 | #define __arch_dma_to_virt(dev, x) ({ is_lbus_device(dev) ? \ | ||
| 35 | __phys_to_virt(x) : __bus_to_virt(x); }) | ||
| 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 | |||
| 40 | #else | ||
| 41 | |||
| 42 | #define __virt_to_bus(x) __virt_to_phys(x) | ||
| 43 | #define __bus_to_virt(x) __phys_to_virt(x) | ||
| 44 | |||
| 45 | #endif | ||
| 46 | |||
| 47 | #endif | ||
| 48 | |||
| 49 | #endif | ||
