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14#ifndef _ASM_FIXMAP_H
15#define _ASM_FIXMAP_H
16
17#ifndef __ASSEMBLY__
18#include <asm/page.h>
19#include <asm/pgtable.h>
20#ifdef CONFIG_HIGHMEM
21#include <linux/threads.h>
22#include <asm/kmap_types.h>
23#endif
24
25#define FIXADDR_TOP ((unsigned long)(-PAGE_SIZE))
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44
45enum fixed_addresses {
46 FIX_HOLE,
47
48 FIX_EARLY_DEBUG_TOP = FIX_HOLE,
49 FIX_EARLY_DEBUG_BASE = FIX_EARLY_DEBUG_TOP+((128*1024)/PAGE_SIZE)-1,
50#ifdef CONFIG_HIGHMEM
51 FIX_KMAP_BEGIN,
52 FIX_KMAP_END = FIX_KMAP_BEGIN+(KM_TYPE_NR*NR_CPUS)-1,
53#endif
54#ifdef CONFIG_PPC_8xx
55
56#define FIX_IMMR_SIZE (512 * 1024 / PAGE_SIZE)
57 FIX_IMMR_START,
58 FIX_IMMR_BASE = __ALIGN_MASK(FIX_IMMR_START, FIX_IMMR_SIZE - 1) - 1 +
59 FIX_IMMR_SIZE,
60#endif
61
62 __end_of_fixed_addresses
63};
64
65#define __FIXADDR_SIZE (__end_of_fixed_addresses << PAGE_SHIFT)
66#define FIXADDR_START (FIXADDR_TOP - __FIXADDR_SIZE)
67
68#define FIXMAP_PAGE_NOCACHE PAGE_KERNEL_NCG
69
70#include <asm-generic/fixmap.h>
71
72static inline void __set_fixmap(enum fixed_addresses idx,
73 phys_addr_t phys, pgprot_t flags)
74{
75 map_kernel_page(fix_to_virt(idx), phys, pgprot_val(flags));
76}
77
78#endif
79#endif
80