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
