| /* |
| * arch/arm/mach-ks8695/include/mach/memory.h |
| * |
| * Copyright (C) 2006 Andrew Victor |
| * |
| * KS8695 Memory definitions |
| * |
| * This file is licensed under the terms of the GNU General Public |
| * License version 2. This program is licensed "as is" without any |
| * warranty of any kind, whether express or implied. |
| */ |
| |
| #ifndef __ASM_ARCH_MEMORY_H |
| #define __ASM_ARCH_MEMORY_H |
| |
| #include <mach/hardware.h> |
| |
| /* |
| * Physical SRAM offset. |
| */ |
| #define PHYS_OFFSET KS8695_SDRAM_PA |
| |
| #ifndef __ASSEMBLY__ |
| |
| #ifdef CONFIG_PCI |
| |
| /* PCI mappings */ |
| #define __virt_to_bus(x) ((x) - PAGE_OFFSET + KS8695_PCIMEM_PA) |
| #define __bus_to_virt(x) ((x) - KS8695_PCIMEM_PA + PAGE_OFFSET) |
| |
| /* Platform-bus mapping */ |
| extern struct bus_type platform_bus_type; |
| #define is_lbus_device(dev) (dev && dev->bus == &platform_bus_type) |
| #define __arch_dma_to_virt(dev, x) ({ (void *) (is_lbus_device(dev) ? \ |
| __phys_to_virt(x) : __bus_to_virt(x)); }) |
| #define __arch_virt_to_dma(dev, x) ({ is_lbus_device(dev) ? \ |
| (dma_addr_t)__virt_to_phys(x) : (dma_addr_t)__virt_to_bus(x); }) |
| #define __arch_page_to_dma(dev, x) __arch_virt_to_dma(dev, page_address(x)) |
| |
| #endif |
| |
| #endif |
| |
| #endif |
