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