This source file includes following definitions.
- spitfire_put_dcache_tag
- spitfire_put_icache_tag
- spitfire_get_dtlb_data
- spitfire_get_dtlb_tag
- spitfire_put_dtlb_data
- spitfire_get_itlb_data
- spitfire_get_itlb_tag
- spitfire_put_itlb_data
- spitfire_flush_dtlb_nucleus_page
- spitfire_flush_itlb_nucleus_page
- cheetah_flush_dtlb_all
- cheetah_flush_itlb_all
- cheetah_get_ldtlb_data
- cheetah_get_litlb_data
- cheetah_get_ldtlb_tag
- cheetah_get_litlb_tag
- cheetah_put_ldtlb_data
- cheetah_put_litlb_data
- cheetah_get_dtlb_data
- cheetah_get_dtlb_tag
- cheetah_put_dtlb_data
- cheetah_get_itlb_data
- cheetah_get_itlb_tag
- cheetah_put_itlb_data
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6
7 #ifndef _SPARC64_SPITFIRE_H
8 #define _SPARC64_SPITFIRE_H
9
10 #ifdef CONFIG_SPARC64
11
12 #include <asm/asi.h>
13
14
15
16
17
18 #define TSB_TAG_TARGET 0x0000000000000000
19 #define TLB_SFSR 0x0000000000000018
20 #define TSB_REG 0x0000000000000028
21 #define TLB_TAG_ACCESS 0x0000000000000030
22 #define VIRT_WATCHPOINT 0x0000000000000038
23 #define PHYS_WATCHPOINT 0x0000000000000040
24 #define TSB_EXTENSION_P 0x0000000000000048
25 #define TSB_EXTENSION_S 0x0000000000000050
26 #define TSB_EXTENSION_N 0x0000000000000058
27 #define TLB_TAG_ACCESS_EXT 0x0000000000000060
28
29
30
31
32 #define PRIMARY_CONTEXT 0x0000000000000008
33 #define SECONDARY_CONTEXT 0x0000000000000010
34 #define DMMU_SFAR 0x0000000000000020
35 #define VIRT_WATCHPOINT 0x0000000000000038
36 #define PHYS_WATCHPOINT 0x0000000000000040
37
38 #define SPITFIRE_HIGHEST_LOCKED_TLBENT (64 - 1)
39 #define CHEETAH_HIGHEST_LOCKED_TLBENT (16 - 1)
40
41 #define L1DCACHE_SIZE 0x4000
42
43 #define SUN4V_CHIP_INVALID 0x00
44 #define SUN4V_CHIP_NIAGARA1 0x01
45 #define SUN4V_CHIP_NIAGARA2 0x02
46 #define SUN4V_CHIP_NIAGARA3 0x03
47 #define SUN4V_CHIP_NIAGARA4 0x04
48 #define SUN4V_CHIP_NIAGARA5 0x05
49 #define SUN4V_CHIP_SPARC_M6 0x06
50 #define SUN4V_CHIP_SPARC_M7 0x07
51 #define SUN4V_CHIP_SPARC_M8 0x08
52 #define SUN4V_CHIP_SPARC64X 0x8a
53 #define SUN4V_CHIP_SPARC_SN 0x8b
54 #define SUN4V_CHIP_UNKNOWN 0xff
55
56
57
58
59
60
61 #define CPU_ID_NIAGARA1 ('1')
62 #define CPU_ID_NIAGARA2 ('2')
63 #define CPU_ID_NIAGARA3 ('3')
64 #define CPU_ID_NIAGARA4 ('4')
65 #define CPU_ID_NIAGARA5 ('5')
66 #define CPU_ID_M6 ('6')
67 #define CPU_ID_M7 ('7')
68 #define CPU_ID_M8 ('8')
69 #define CPU_ID_SONOMA1 ('N')
70
71 #ifndef __ASSEMBLY__
72
73 enum ultra_tlb_layout {
74 spitfire = 0,
75 cheetah = 1,
76 cheetah_plus = 2,
77 hypervisor = 3,
78 };
79
80 extern enum ultra_tlb_layout tlb_type;
81
82 extern int sun4v_chip_type;
83
84 extern int cheetah_pcache_forced_on;
85 void cheetah_enable_pcache(void);
86
87 #define sparc64_highest_locked_tlbent() \
88 (tlb_type == spitfire ? \
89 SPITFIRE_HIGHEST_LOCKED_TLBENT : \
90 CHEETAH_HIGHEST_LOCKED_TLBENT)
91
92 extern int num_kernel_image_mappings;
93
94
95
96
97 static inline void spitfire_put_dcache_tag(unsigned long addr, unsigned long tag)
98 {
99 __asm__ __volatile__("stxa %0, [%1] %2\n\t"
100 "membar #Sync"
101 :
102 : "r" (tag), "r" (addr), "i" (ASI_DCACHE_TAG));
103 }
104
105
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108
109
110
111 static inline void spitfire_put_icache_tag(unsigned long addr, unsigned long tag)
112 {
113 __asm__ __volatile__("stxa %0, [%1] %2\n\t"
114 "membar #Sync"
115 :
116 : "r" (tag), "r" (addr), "i" (ASI_IC_TAG));
117 }
118
119 static inline unsigned long spitfire_get_dtlb_data(int entry)
120 {
121 unsigned long data;
122
123 __asm__ __volatile__("ldxa [%1] %2, %0"
124 : "=r" (data)
125 : "r" (entry << 3), "i" (ASI_DTLB_DATA_ACCESS));
126
127
128 data &= ~0x0003fe0000000000UL;
129
130 return data;
131 }
132
133 static inline unsigned long spitfire_get_dtlb_tag(int entry)
134 {
135 unsigned long tag;
136
137 __asm__ __volatile__("ldxa [%1] %2, %0"
138 : "=r" (tag)
139 : "r" (entry << 3), "i" (ASI_DTLB_TAG_READ));
140 return tag;
141 }
142
143 static inline void spitfire_put_dtlb_data(int entry, unsigned long data)
144 {
145 __asm__ __volatile__("stxa %0, [%1] %2\n\t"
146 "membar #Sync"
147 :
148 : "r" (data), "r" (entry << 3),
149 "i" (ASI_DTLB_DATA_ACCESS));
150 }
151
152 static inline unsigned long spitfire_get_itlb_data(int entry)
153 {
154 unsigned long data;
155
156 __asm__ __volatile__("ldxa [%1] %2, %0"
157 : "=r" (data)
158 : "r" (entry << 3), "i" (ASI_ITLB_DATA_ACCESS));
159
160
161 data &= ~0x0003fe0000000000UL;
162
163 return data;
164 }
165
166 static inline unsigned long spitfire_get_itlb_tag(int entry)
167 {
168 unsigned long tag;
169
170 __asm__ __volatile__("ldxa [%1] %2, %0"
171 : "=r" (tag)
172 : "r" (entry << 3), "i" (ASI_ITLB_TAG_READ));
173 return tag;
174 }
175
176 static inline void spitfire_put_itlb_data(int entry, unsigned long data)
177 {
178 __asm__ __volatile__("stxa %0, [%1] %2\n\t"
179 "membar #Sync"
180 :
181 : "r" (data), "r" (entry << 3),
182 "i" (ASI_ITLB_DATA_ACCESS));
183 }
184
185 static inline void spitfire_flush_dtlb_nucleus_page(unsigned long page)
186 {
187 __asm__ __volatile__("stxa %%g0, [%0] %1\n\t"
188 "membar #Sync"
189 :
190 : "r" (page | 0x20), "i" (ASI_DMMU_DEMAP));
191 }
192
193 static inline void spitfire_flush_itlb_nucleus_page(unsigned long page)
194 {
195 __asm__ __volatile__("stxa %%g0, [%0] %1\n\t"
196 "membar #Sync"
197 :
198 : "r" (page | 0x20), "i" (ASI_IMMU_DEMAP));
199 }
200
201
202 static inline void cheetah_flush_dtlb_all(void)
203 {
204 __asm__ __volatile__("stxa %%g0, [%0] %1\n\t"
205 "membar #Sync"
206 :
207 : "r" (0x80), "i" (ASI_DMMU_DEMAP));
208 }
209
210 static inline void cheetah_flush_itlb_all(void)
211 {
212 __asm__ __volatile__("stxa %%g0, [%0] %1\n\t"
213 "membar #Sync"
214 :
215 : "r" (0x80), "i" (ASI_IMMU_DEMAP));
216 }
217
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229
230
231
232 static inline unsigned long cheetah_get_ldtlb_data(int entry)
233 {
234 unsigned long data;
235
236 __asm__ __volatile__("ldxa [%1] %2, %%g0\n\t"
237 "ldxa [%1] %2, %0"
238 : "=r" (data)
239 : "r" ((0 << 16) | (entry << 3)),
240 "i" (ASI_DTLB_DATA_ACCESS));
241
242 return data;
243 }
244
245 static inline unsigned long cheetah_get_litlb_data(int entry)
246 {
247 unsigned long data;
248
249 __asm__ __volatile__("ldxa [%1] %2, %%g0\n\t"
250 "ldxa [%1] %2, %0"
251 : "=r" (data)
252 : "r" ((0 << 16) | (entry << 3)),
253 "i" (ASI_ITLB_DATA_ACCESS));
254
255 return data;
256 }
257
258 static inline unsigned long cheetah_get_ldtlb_tag(int entry)
259 {
260 unsigned long tag;
261
262 __asm__ __volatile__("ldxa [%1] %2, %0"
263 : "=r" (tag)
264 : "r" ((0 << 16) | (entry << 3)),
265 "i" (ASI_DTLB_TAG_READ));
266
267 return tag;
268 }
269
270 static inline unsigned long cheetah_get_litlb_tag(int entry)
271 {
272 unsigned long tag;
273
274 __asm__ __volatile__("ldxa [%1] %2, %0"
275 : "=r" (tag)
276 : "r" ((0 << 16) | (entry << 3)),
277 "i" (ASI_ITLB_TAG_READ));
278
279 return tag;
280 }
281
282 static inline void cheetah_put_ldtlb_data(int entry, unsigned long data)
283 {
284 __asm__ __volatile__("stxa %0, [%1] %2\n\t"
285 "membar #Sync"
286 :
287 : "r" (data),
288 "r" ((0 << 16) | (entry << 3)),
289 "i" (ASI_DTLB_DATA_ACCESS));
290 }
291
292 static inline void cheetah_put_litlb_data(int entry, unsigned long data)
293 {
294 __asm__ __volatile__("stxa %0, [%1] %2\n\t"
295 "membar #Sync"
296 :
297 : "r" (data),
298 "r" ((0 << 16) | (entry << 3)),
299 "i" (ASI_ITLB_DATA_ACCESS));
300 }
301
302 static inline unsigned long cheetah_get_dtlb_data(int entry, int tlb)
303 {
304 unsigned long data;
305
306 __asm__ __volatile__("ldxa [%1] %2, %%g0\n\t"
307 "ldxa [%1] %2, %0"
308 : "=r" (data)
309 : "r" ((tlb << 16) | (entry << 3)), "i" (ASI_DTLB_DATA_ACCESS));
310
311 return data;
312 }
313
314 static inline unsigned long cheetah_get_dtlb_tag(int entry, int tlb)
315 {
316 unsigned long tag;
317
318 __asm__ __volatile__("ldxa [%1] %2, %0"
319 : "=r" (tag)
320 : "r" ((tlb << 16) | (entry << 3)), "i" (ASI_DTLB_TAG_READ));
321 return tag;
322 }
323
324 static inline void cheetah_put_dtlb_data(int entry, unsigned long data, int tlb)
325 {
326 __asm__ __volatile__("stxa %0, [%1] %2\n\t"
327 "membar #Sync"
328 :
329 : "r" (data),
330 "r" ((tlb << 16) | (entry << 3)),
331 "i" (ASI_DTLB_DATA_ACCESS));
332 }
333
334 static inline unsigned long cheetah_get_itlb_data(int entry)
335 {
336 unsigned long data;
337
338 __asm__ __volatile__("ldxa [%1] %2, %%g0\n\t"
339 "ldxa [%1] %2, %0"
340 : "=r" (data)
341 : "r" ((2 << 16) | (entry << 3)),
342 "i" (ASI_ITLB_DATA_ACCESS));
343
344 return data;
345 }
346
347 static inline unsigned long cheetah_get_itlb_tag(int entry)
348 {
349 unsigned long tag;
350
351 __asm__ __volatile__("ldxa [%1] %2, %0"
352 : "=r" (tag)
353 : "r" ((2 << 16) | (entry << 3)), "i" (ASI_ITLB_TAG_READ));
354 return tag;
355 }
356
357 static inline void cheetah_put_itlb_data(int entry, unsigned long data)
358 {
359 __asm__ __volatile__("stxa %0, [%1] %2\n\t"
360 "membar #Sync"
361 :
362 : "r" (data), "r" ((2 << 16) | (entry << 3)),
363 "i" (ASI_ITLB_DATA_ACCESS));
364 }
365
366 #endif
367 #endif
368 #endif