diff options
author | Ben Dooks <ben-linux@fluff.org> | 2008-08-08 21:10:12 +0100 |
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committer | Ben Dooks <ben-linux@fluff.org> | 2008-08-08 21:10:12 +0100 |
commit | af7a535688a758d15f06a98833e6a143b29af9de (patch) | |
tree | bac5ab210bbbbe276f0e44ed84194d7c8bb16aae /arch/arm/mach-ks8695/include/mach/memory.h | |
parent | 0c17e4ceedd35c78b1c7413dbd16279a350be6bc (diff) | |
parent | c41107c2d4fd31924533f4dbc4c3428acc2b5894 (diff) |
Merge http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm into for-rmk
Diffstat (limited to 'arch/arm/mach-ks8695/include/mach/memory.h')
-rw-r--r-- | arch/arm/mach-ks8695/include/mach/memory.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/arch/arm/mach-ks8695/include/mach/memory.h b/arch/arm/mach-ks8695/include/mach/memory.h new file mode 100644 index 00000000000..dadbe66cb75 --- /dev/null +++ b/arch/arm/mach-ks8695/include/mach/memory.h @@ -0,0 +1,49 @@ +/* + * 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) ({ 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)) + +#else + +#define __virt_to_bus(x) __virt_to_phys(x) +#define __bus_to_virt(x) __phys_to_virt(x) + +#endif + +#endif + +#endif |