1/**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 **************************************************************************** 11 ****************************************************************************/ 12#ifndef __ASM_ARM_MEMORY_H 13#define __ASM_ARM_MEMORY_H 14 15#ifndef __ASSEMBLY__ 16#define UL(x) (x##UL) 17#else 18#define UL(x) (x) 19#endif 20 21#include <linux/compiler.h> 22#include <asm/arch/memory.h> 23#include <asm/sizes.h> 24 25#ifndef TASK_SIZE 26#define TASK_SIZE (CONFIG_DRAM_SIZE) 27#endif 28 29#ifndef TASK_UNMAPPED_BASE 30#define TASK_UNMAPPED_BASE UL(0x00000000) 31#endif 32 33#ifndef PHYS_OFFSET 34#define PHYS_OFFSET (CONFIG_DRAM_BASE) 35#endif 36 37#ifndef END_MEM 38#define END_MEM (CONFIG_DRAM_BASE + CONFIG_DRAM_SIZE) 39#endif 40 41#ifndef PAGE_OFFSET 42#define PAGE_OFFSET (PHYS_OFFSET) 43#endif 44 45#define MODULE_END (END_MEM) 46#define MODULE_START (PHYS_OFFSET) 47 48#ifndef CONSISTENT_DMA_SIZE 49#define CONSISTENT_DMA_SIZE SZ_2M 50#endif 51 52#ifndef __virt_to_phys 53#define __virt_to_phys(x) ((x) - PAGE_OFFSET + PHYS_OFFSET) 54#define __phys_to_virt(x) ((x) - PHYS_OFFSET + PAGE_OFFSET) 55#endif 56 57#define __phys_to_pfn(paddr) ((paddr) >> PAGE_SHIFT) 58#define __pfn_to_phys(pfn) ((pfn) << PAGE_SHIFT) 59 60#ifndef __ASSEMBLY__ 61 62#ifndef ISA_DMA_THRESHOLD 63#define ISA_DMA_THRESHOLD (0xffffffffULL) 64#endif 65 66#ifndef arch_adjust_zones 67#define arch_adjust_zones(node,size,holes) do { } while (0) 68#endif 69 70#define PHYS_PFN_OFFSET (PHYS_OFFSET >> PAGE_SHIFT) 71 72#define __pa(x) __virt_to_phys((unsigned long)(x)) 73#define __va(x) ((void *)__phys_to_virt((unsigned long)(x))) 74#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT) 75#define ARCH_PFN_OFFSET PHYS_PFN_OFFSET 76#define pfn_valid(pfn) ((pfn) >= PHYS_PFN_OFFSET && (pfn) < (PHYS_PFN_OFFSET + max_mapnr)) 77#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) 78#define virt_addr_valid(kaddr) ((unsigned long)(kaddr) >= PAGE_OFFSET && (unsigned long)(kaddr) < (unsigned long)high_memory) 79#define PHYS_TO_NID(addr) (0) 80#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT) 81#ifndef __arch_page_to_dma 82#define page_to_dma(dev, page) ((dma_addr_t)__virt_to_bus((unsigned long)page_address(page))) 83#define dma_to_virt(dev, addr) ((void *)__bus_to_virt(addr)) 84#define virt_to_dma(dev, addr) ((dma_addr_t)__virt_to_bus((unsigned long)(addr))) 85#else 86#define page_to_dma(dev, page) (__arch_page_to_dma(dev, page)) 87#define dma_to_virt(dev, addr) (__arch_dma_to_virt(dev, addr)) 88#define virt_to_dma(dev, addr) (__arch_virt_to_dma(dev, addr)) 89#endif 90#ifndef arch_is_coherent 91#define arch_is_coherent() 0 92#endif 93#endif 94#include <asm-generic/memory_model.h> 95#endif 96