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16#include <linux/mm.h>
17#include <asm/mmu.h>
18
19#ifdef CONFIG_PPC_MMU_NOHASH
20#include <asm/trace.h>
21
22
23
24
25#if defined(CONFIG_40x) || defined(CONFIG_PPC_8xx)
26static inline void _tlbil_all(void)
27{
28 asm volatile ("sync; tlbia; isync" : : : "memory");
29 trace_tlbia(MMU_NO_CONTEXT);
30}
31static inline void _tlbil_pid(unsigned int pid)
32{
33 asm volatile ("sync; tlbia; isync" : : : "memory");
34 trace_tlbia(pid);
35}
36#define _tlbil_pid_noind(pid) _tlbil_pid(pid)
37
38#else
39extern void _tlbil_all(void);
40extern void _tlbil_pid(unsigned int pid);
41#ifdef CONFIG_PPC_BOOK3E
42extern void _tlbil_pid_noind(unsigned int pid);
43#else
44#define _tlbil_pid_noind(pid) _tlbil_pid(pid)
45#endif
46#endif
47
48
49
50
51#ifdef CONFIG_PPC_8xx
52static inline void _tlbil_va(unsigned long address, unsigned int pid,
53 unsigned int tsize, unsigned int ind)
54{
55 asm volatile ("tlbie %0; sync" : : "r" (address) : "memory");
56 trace_tlbie(0, 0, address, pid, 0, 0, 0);
57}
58#elif defined(CONFIG_PPC_BOOK3E)
59extern void _tlbil_va(unsigned long address, unsigned int pid,
60 unsigned int tsize, unsigned int ind);
61#else
62extern void __tlbil_va(unsigned long address, unsigned int pid);
63static inline void _tlbil_va(unsigned long address, unsigned int pid,
64 unsigned int tsize, unsigned int ind)
65{
66 __tlbil_va(address, pid);
67}
68#endif
69
70#if defined(CONFIG_PPC_BOOK3E) || defined(CONFIG_PPC_47x)
71extern void _tlbivax_bcast(unsigned long address, unsigned int pid,
72 unsigned int tsize, unsigned int ind);
73#else
74static inline void _tlbivax_bcast(unsigned long address, unsigned int pid,
75 unsigned int tsize, unsigned int ind)
76{
77 BUG();
78}
79#endif
80
81static inline void print_system_hash_info(void) {}
82
83#else
84
85extern void hash_preload(struct mm_struct *mm, unsigned long ea,
86 bool is_exec, unsigned long trap);
87
88
89extern void _tlbie(unsigned long address);
90extern void _tlbia(void);
91
92void print_system_hash_info(void);
93
94#endif
95
96#ifdef CONFIG_PPC32
97
98extern void mapin_ram(void);
99extern void setbat(int index, unsigned long virt, phys_addr_t phys,
100 unsigned int size, pgprot_t prot);
101
102extern int __map_without_bats;
103extern unsigned int rtas_data, rtas_size;
104
105struct hash_pte;
106extern struct hash_pte *Hash;
107extern u8 early_hash[];
108
109#endif
110
111extern unsigned long ioremap_bot;
112extern unsigned long __max_low_memory;
113extern phys_addr_t __initial_memory_limit_addr;
114extern phys_addr_t total_memory;
115extern phys_addr_t total_lowmem;
116extern phys_addr_t memstart_addr;
117extern phys_addr_t lowmem_end_addr;
118
119#ifdef CONFIG_WII
120extern unsigned long wii_hole_start;
121extern unsigned long wii_hole_size;
122
123extern unsigned long wii_mmu_mapin_mem2(unsigned long top);
124extern void wii_memory_fixups(void);
125#endif
126
127
128
129
130#ifdef CONFIG_PPC32
131extern void MMU_init_hw(void);
132void MMU_init_hw_patch(void);
133unsigned long mmu_mapin_ram(unsigned long base, unsigned long top);
134#endif
135
136#ifdef CONFIG_PPC_FSL_BOOK3E
137extern unsigned long map_mem_in_cams(unsigned long ram, int max_cam_idx,
138 bool dryrun);
139extern unsigned long calc_cam_sz(unsigned long ram, unsigned long virt,
140 phys_addr_t phys);
141#ifdef CONFIG_PPC32
142extern void adjust_total_lowmem(void);
143extern int switch_to_as1(void);
144extern void restore_to_as0(int esel, int offset, void *dt_ptr, int bootcpu);
145#endif
146extern void loadcam_entry(unsigned int index);
147extern void loadcam_multi(int first_idx, int num, int tmp_idx);
148
149struct tlbcam {
150 u32 MAS0;
151 u32 MAS1;
152 unsigned long MAS2;
153 u32 MAS3;
154 u32 MAS7;
155};
156#endif
157
158#if defined(CONFIG_PPC_BOOK3S_32) || defined(CONFIG_FSL_BOOKE) || defined(CONFIG_PPC_8xx)
159
160
161
162phys_addr_t v_block_mapped(unsigned long va);
163unsigned long p_block_mapped(phys_addr_t pa);
164#else
165static inline phys_addr_t v_block_mapped(unsigned long va) { return 0; }
166static inline unsigned long p_block_mapped(phys_addr_t pa) { return 0; }
167#endif
168
169#if defined(CONFIG_PPC_BOOK3S_32) || defined(CONFIG_PPC_8xx)
170void mmu_mark_initmem_nx(void);
171void mmu_mark_rodata_ro(void);
172#else
173static inline void mmu_mark_initmem_nx(void) { }
174static inline void mmu_mark_rodata_ro(void) { }
175#endif
176