[POWERPC] Support nested cpu feature sections
[sfrench/cifs-2.6.git] / include / asm-powerpc / cputable.h
1 #ifndef __ASM_POWERPC_CPUTABLE_H
2 #define __ASM_POWERPC_CPUTABLE_H
3
4 #include <asm/asm-compat.h>
5
6 #define PPC_FEATURE_32                  0x80000000
7 #define PPC_FEATURE_64                  0x40000000
8 #define PPC_FEATURE_601_INSTR           0x20000000
9 #define PPC_FEATURE_HAS_ALTIVEC         0x10000000
10 #define PPC_FEATURE_HAS_FPU             0x08000000
11 #define PPC_FEATURE_HAS_MMU             0x04000000
12 #define PPC_FEATURE_HAS_4xxMAC          0x02000000
13 #define PPC_FEATURE_UNIFIED_CACHE       0x01000000
14 #define PPC_FEATURE_HAS_SPE             0x00800000
15 #define PPC_FEATURE_HAS_EFP_SINGLE      0x00400000
16 #define PPC_FEATURE_HAS_EFP_DOUBLE      0x00200000
17 #define PPC_FEATURE_NO_TB               0x00100000
18 #define PPC_FEATURE_POWER4              0x00080000
19 #define PPC_FEATURE_POWER5              0x00040000
20 #define PPC_FEATURE_POWER5_PLUS         0x00020000
21 #define PPC_FEATURE_CELL                0x00010000
22 #define PPC_FEATURE_BOOKE               0x00008000
23 #define PPC_FEATURE_SMT                 0x00004000
24 #define PPC_FEATURE_ICACHE_SNOOP        0x00002000
25 #define PPC_FEATURE_ARCH_2_05           0x00001000
26 #define PPC_FEATURE_PA6T                0x00000800
27
28 #define PPC_FEATURE_TRUE_LE             0x00000002
29 #define PPC_FEATURE_PPC_LE              0x00000001
30
31 #ifdef __KERNEL__
32 #ifndef __ASSEMBLY__
33
34 /* This structure can grow, it's real size is used by head.S code
35  * via the mkdefs mechanism.
36  */
37 struct cpu_spec;
38
39 typedef void (*cpu_setup_t)(unsigned long offset, struct cpu_spec* spec);
40 typedef void (*cpu_restore_t)(void);
41
42 enum powerpc_oprofile_type {
43         PPC_OPROFILE_INVALID = 0,
44         PPC_OPROFILE_RS64 = 1,
45         PPC_OPROFILE_POWER4 = 2,
46         PPC_OPROFILE_G4 = 3,
47         PPC_OPROFILE_BOOKE = 4,
48 };
49
50 struct cpu_spec {
51         /* CPU is matched via (PVR & pvr_mask) == pvr_value */
52         unsigned int    pvr_mask;
53         unsigned int    pvr_value;
54
55         char            *cpu_name;
56         unsigned long   cpu_features;           /* Kernel features */
57         unsigned int    cpu_user_features;      /* Userland features */
58
59         /* cache line sizes */
60         unsigned int    icache_bsize;
61         unsigned int    dcache_bsize;
62
63         /* number of performance monitor counters */
64         unsigned int    num_pmcs;
65
66         /* this is called to initialize various CPU bits like L1 cache,
67          * BHT, SPD, etc... from head.S before branching to identify_machine
68          */
69         cpu_setup_t     cpu_setup;
70         /* Used to restore cpu setup on secondary processors and at resume */
71         cpu_restore_t   cpu_restore;
72
73         /* Used by oprofile userspace to select the right counters */
74         char            *oprofile_cpu_type;
75
76         /* Processor specific oprofile operations */
77         enum powerpc_oprofile_type oprofile_type;
78
79         /* Bit locations inside the mmcra change */
80         unsigned long   oprofile_mmcra_sihv;
81         unsigned long   oprofile_mmcra_sipr;
82
83         /* Bits to clear during an oprofile exception */
84         unsigned long   oprofile_mmcra_clear;
85
86         /* Name of processor class, for the ELF AT_PLATFORM entry */
87         char            *platform;
88 };
89
90 extern struct cpu_spec          *cur_cpu_spec;
91
92 extern unsigned int __start___ftr_fixup, __stop___ftr_fixup;
93
94 extern struct cpu_spec *identify_cpu(unsigned long offset);
95 extern void do_feature_fixups(unsigned long offset, unsigned long value,
96                               void *fixup_start, void *fixup_end);
97
98 #endif /* __ASSEMBLY__ */
99
100 /* CPU kernel features */
101
102 /* Retain the 32b definitions all use bottom half of word */
103 #define CPU_FTR_SPLIT_ID_CACHE          ASM_CONST(0x0000000000000001)
104 #define CPU_FTR_L2CR                    ASM_CONST(0x0000000000000002)
105 #define CPU_FTR_SPEC7450                ASM_CONST(0x0000000000000004)
106 #define CPU_FTR_ALTIVEC                 ASM_CONST(0x0000000000000008)
107 #define CPU_FTR_TAU                     ASM_CONST(0x0000000000000010)
108 #define CPU_FTR_CAN_DOZE                ASM_CONST(0x0000000000000020)
109 #define CPU_FTR_USE_TB                  ASM_CONST(0x0000000000000040)
110 #define CPU_FTR_604_PERF_MON            ASM_CONST(0x0000000000000080)
111 #define CPU_FTR_601                     ASM_CONST(0x0000000000000100)
112 #define CPU_FTR_HPTE_TABLE              ASM_CONST(0x0000000000000200)
113 #define CPU_FTR_CAN_NAP                 ASM_CONST(0x0000000000000400)
114 #define CPU_FTR_L3CR                    ASM_CONST(0x0000000000000800)
115 #define CPU_FTR_L3_DISABLE_NAP          ASM_CONST(0x0000000000001000)
116 #define CPU_FTR_NAP_DISABLE_L2_PR       ASM_CONST(0x0000000000002000)
117 #define CPU_FTR_DUAL_PLL_750FX          ASM_CONST(0x0000000000004000)
118 #define CPU_FTR_NO_DPM                  ASM_CONST(0x0000000000008000)
119 #define CPU_FTR_HAS_HIGH_BATS           ASM_CONST(0x0000000000010000)
120 #define CPU_FTR_NEED_COHERENT           ASM_CONST(0x0000000000020000)
121 #define CPU_FTR_NO_BTIC                 ASM_CONST(0x0000000000040000)
122 #define CPU_FTR_BIG_PHYS                ASM_CONST(0x0000000000080000)
123 #define CPU_FTR_NODSISRALIGN            ASM_CONST(0x0000000000100000)
124 #define CPU_FTR_PPC_LE                  ASM_CONST(0x0000000000200000)
125 #define CPU_FTR_REAL_LE                 ASM_CONST(0x0000000000400000)
126
127 /*
128  * Add the 64-bit processor unique features in the top half of the word;
129  * on 32-bit, make the names available but defined to be 0.
130  */
131 #ifdef __powerpc64__
132 #define LONG_ASM_CONST(x)               ASM_CONST(x)
133 #else
134 #define LONG_ASM_CONST(x)               0
135 #endif
136
137 #define CPU_FTR_SLB                     LONG_ASM_CONST(0x0000000100000000)
138 #define CPU_FTR_16M_PAGE                LONG_ASM_CONST(0x0000000200000000)
139 #define CPU_FTR_TLBIEL                  LONG_ASM_CONST(0x0000000400000000)
140 #define CPU_FTR_NOEXECUTE               LONG_ASM_CONST(0x0000000800000000)
141 #define CPU_FTR_IABR                    LONG_ASM_CONST(0x0000002000000000)
142 #define CPU_FTR_MMCRA                   LONG_ASM_CONST(0x0000004000000000)
143 #define CPU_FTR_CTRL                    LONG_ASM_CONST(0x0000008000000000)
144 #define CPU_FTR_SMT                     LONG_ASM_CONST(0x0000010000000000)
145 #define CPU_FTR_COHERENT_ICACHE         LONG_ASM_CONST(0x0000020000000000)
146 #define CPU_FTR_LOCKLESS_TLBIE          LONG_ASM_CONST(0x0000040000000000)
147 #define CPU_FTR_CI_LARGE_PAGE           LONG_ASM_CONST(0x0000100000000000)
148 #define CPU_FTR_PAUSE_ZERO              LONG_ASM_CONST(0x0000200000000000)
149 #define CPU_FTR_PURR                    LONG_ASM_CONST(0x0000400000000000)
150
151 #ifndef __ASSEMBLY__
152
153 #define CPU_FTR_PPCAS_ARCH_V2_BASE (CPU_FTR_SLB | \
154                                         CPU_FTR_TLBIEL | CPU_FTR_NOEXECUTE | \
155                                         CPU_FTR_NODSISRALIGN)
156
157 /* iSeries doesn't support large pages */
158 #ifdef CONFIG_PPC_ISERIES
159 #define CPU_FTR_PPCAS_ARCH_V2   (CPU_FTR_PPCAS_ARCH_V2_BASE)
160 #else
161 #define CPU_FTR_PPCAS_ARCH_V2   (CPU_FTR_PPCAS_ARCH_V2_BASE | CPU_FTR_16M_PAGE)
162 #endif /* CONFIG_PPC_ISERIES */
163
164 /* We only set the altivec features if the kernel was compiled with altivec
165  * support
166  */
167 #ifdef CONFIG_ALTIVEC
168 #define CPU_FTR_ALTIVEC_COMP    CPU_FTR_ALTIVEC
169 #define PPC_FEATURE_HAS_ALTIVEC_COMP PPC_FEATURE_HAS_ALTIVEC
170 #else
171 #define CPU_FTR_ALTIVEC_COMP    0
172 #define PPC_FEATURE_HAS_ALTIVEC_COMP    0
173 #endif
174
175 /* We need to mark all pages as being coherent if we're SMP or we
176  * have a 74[45]x and an MPC107 host bridge. Also 83xx requires
177  * it for PCI "streaming/prefetch" to work properly.
178  */
179 #if defined(CONFIG_SMP) || defined(CONFIG_MPC10X_BRIDGE) \
180         || defined(CONFIG_PPC_83xx)
181 #define CPU_FTR_COMMON                  CPU_FTR_NEED_COHERENT
182 #else
183 #define CPU_FTR_COMMON                  0
184 #endif
185
186 /* The powersave features NAP & DOZE seems to confuse BDI when
187    debugging. So if a BDI is used, disable theses
188  */
189 #ifndef CONFIG_BDI_SWITCH
190 #define CPU_FTR_MAYBE_CAN_DOZE  CPU_FTR_CAN_DOZE
191 #define CPU_FTR_MAYBE_CAN_NAP   CPU_FTR_CAN_NAP
192 #else
193 #define CPU_FTR_MAYBE_CAN_DOZE  0
194 #define CPU_FTR_MAYBE_CAN_NAP   0
195 #endif
196
197 #define CLASSIC_PPC (!defined(CONFIG_8xx) && !defined(CONFIG_4xx) && \
198                      !defined(CONFIG_POWER3) && !defined(CONFIG_POWER4) && \
199                      !defined(CONFIG_BOOKE))
200
201 #define CPU_FTRS_PPC601 (CPU_FTR_COMMON | CPU_FTR_601 | CPU_FTR_HPTE_TABLE)
202 #define CPU_FTRS_603    (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
203             CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | \
204             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
205 #define CPU_FTRS_604    (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
206             CPU_FTR_USE_TB | CPU_FTR_604_PERF_MON | CPU_FTR_HPTE_TABLE | \
207             CPU_FTR_PPC_LE)
208 #define CPU_FTRS_740_NOTAU      (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
209             CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
210             CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
211 #define CPU_FTRS_740    (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
212             CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
213             CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \
214             CPU_FTR_PPC_LE)
215 #define CPU_FTRS_750    (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
216             CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
217             CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \
218             CPU_FTR_PPC_LE)
219 #define CPU_FTRS_750FX1 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
220             CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
221             CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \
222             CPU_FTR_DUAL_PLL_750FX | CPU_FTR_NO_DPM | CPU_FTR_PPC_LE)
223 #define CPU_FTRS_750FX2 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
224             CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
225             CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \
226             CPU_FTR_NO_DPM | CPU_FTR_PPC_LE)
227 #define CPU_FTRS_750FX  (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
228             CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
229             CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \
230             CPU_FTR_DUAL_PLL_750FX | CPU_FTR_HAS_HIGH_BATS | CPU_FTR_PPC_LE)
231 #define CPU_FTRS_750GX  (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE | \
232             CPU_FTR_USE_TB | CPU_FTR_L2CR | CPU_FTR_TAU | \
233             CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \
234             CPU_FTR_DUAL_PLL_750FX | CPU_FTR_HAS_HIGH_BATS | CPU_FTR_PPC_LE)
235 #define CPU_FTRS_7400_NOTAU     (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
236             CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
237             CPU_FTR_ALTIVEC_COMP | CPU_FTR_HPTE_TABLE | \
238             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
239 #define CPU_FTRS_7400   (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
240             CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
241             CPU_FTR_TAU | CPU_FTR_ALTIVEC_COMP | CPU_FTR_HPTE_TABLE | \
242             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
243 #define CPU_FTRS_7450_20        (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
244             CPU_FTR_USE_TB | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
245             CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
246             CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
247 #define CPU_FTRS_7450_21        (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
248             CPU_FTR_USE_TB | \
249             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
250             CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
251             CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \
252             CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
253 #define CPU_FTRS_7450_23        (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
254             CPU_FTR_USE_TB | \
255             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
256             CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
257             CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
258 #define CPU_FTRS_7455_1 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
259             CPU_FTR_USE_TB | \
260             CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | CPU_FTR_L3CR | \
261             CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | CPU_FTR_HAS_HIGH_BATS | \
262             CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
263 #define CPU_FTRS_7455_20        (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
264             CPU_FTR_USE_TB | \
265             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
266             CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
267             CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \
268             CPU_FTR_NEED_COHERENT | CPU_FTR_HAS_HIGH_BATS | CPU_FTR_PPC_LE)
269 #define CPU_FTRS_7455   (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
270             CPU_FTR_USE_TB | \
271             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
272             CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
273             CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
274             CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
275 #define CPU_FTRS_7447_10        (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
276             CPU_FTR_USE_TB | \
277             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
278             CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
279             CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
280             CPU_FTR_NEED_COHERENT | CPU_FTR_NO_BTIC | CPU_FTR_PPC_LE)
281 #define CPU_FTRS_7447   (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
282             CPU_FTR_USE_TB | \
283             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
284             CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
285             CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
286             CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
287 #define CPU_FTRS_7447A  (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
288             CPU_FTR_USE_TB | \
289             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
290             CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
291             CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
292             CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
293 #define CPU_FTRS_82XX   (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
294             CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB)
295 #define CPU_FTRS_G2_LE  (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE | \
296             CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_HAS_HIGH_BATS)
297 #define CPU_FTRS_E300   (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE | \
298             CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_HAS_HIGH_BATS | \
299             CPU_FTR_COMMON)
300 #define CPU_FTRS_CLASSIC32      (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
301             CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE)
302 #define CPU_FTRS_8XX    (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB)
303 #define CPU_FTRS_40X    (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
304             CPU_FTR_NODSISRALIGN)
305 #define CPU_FTRS_44X    (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
306             CPU_FTR_NODSISRALIGN)
307 #define CPU_FTRS_E200   (CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN)
308 #define CPU_FTRS_E500   (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
309             CPU_FTR_NODSISRALIGN)
310 #define CPU_FTRS_E500_2 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
311             CPU_FTR_BIG_PHYS | CPU_FTR_NODSISRALIGN)
312 #define CPU_FTRS_GENERIC_32     (CPU_FTR_COMMON | CPU_FTR_NODSISRALIGN)
313 #ifdef __powerpc64__
314 #define CPU_FTRS_POWER3 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
315             CPU_FTR_HPTE_TABLE | CPU_FTR_IABR | CPU_FTR_PPC_LE)
316 #define CPU_FTRS_RS64   (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
317             CPU_FTR_HPTE_TABLE | CPU_FTR_IABR | \
318             CPU_FTR_MMCRA | CPU_FTR_CTRL)
319 #define CPU_FTRS_POWER4 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
320             CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
321             CPU_FTR_MMCRA)
322 #define CPU_FTRS_PPC970 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
323             CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
324             CPU_FTR_ALTIVEC_COMP | CPU_FTR_CAN_NAP | CPU_FTR_MMCRA)
325 #define CPU_FTRS_POWER5 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
326             CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
327             CPU_FTR_MMCRA | CPU_FTR_SMT | \
328             CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \
329             CPU_FTR_PURR)
330 #define CPU_FTRS_POWER6 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
331             CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
332             CPU_FTR_MMCRA | CPU_FTR_SMT | \
333             CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \
334             CPU_FTR_PURR | CPU_FTR_CI_LARGE_PAGE | CPU_FTR_REAL_LE)
335 #define CPU_FTRS_CELL   (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
336             CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
337             CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \
338             CPU_FTR_PAUSE_ZERO | CPU_FTR_CI_LARGE_PAGE)
339 #define CPU_FTRS_PA6T (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
340             CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | \
341             CPU_FTR_ALTIVEC_COMP | CPU_FTR_CI_LARGE_PAGE | \
342             CPU_FTR_PURR | CPU_FTR_REAL_LE)
343 #define CPU_FTRS_COMPATIBLE     (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
344             CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2)
345 #endif
346
347 #ifdef __powerpc64__
348 #define CPU_FTRS_POSSIBLE       \
349             (CPU_FTRS_POWER3 | CPU_FTRS_RS64 | CPU_FTRS_POWER4 |        \
350             CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | CPU_FTRS_POWER6 |       \
351             CPU_FTRS_CELL | CPU_FTRS_PA6T)
352 #else
353 enum {
354         CPU_FTRS_POSSIBLE =
355 #if CLASSIC_PPC
356             CPU_FTRS_PPC601 | CPU_FTRS_603 | CPU_FTRS_604 | CPU_FTRS_740_NOTAU |
357             CPU_FTRS_740 | CPU_FTRS_750 | CPU_FTRS_750FX1 |
358             CPU_FTRS_750FX2 | CPU_FTRS_750FX | CPU_FTRS_750GX |
359             CPU_FTRS_7400_NOTAU | CPU_FTRS_7400 | CPU_FTRS_7450_20 |
360             CPU_FTRS_7450_21 | CPU_FTRS_7450_23 | CPU_FTRS_7455_1 |
361             CPU_FTRS_7455_20 | CPU_FTRS_7455 | CPU_FTRS_7447_10 |
362             CPU_FTRS_7447 | CPU_FTRS_7447A | CPU_FTRS_82XX |
363             CPU_FTRS_G2_LE | CPU_FTRS_E300 | CPU_FTRS_CLASSIC32 |
364 #else
365             CPU_FTRS_GENERIC_32 |
366 #endif
367 #ifdef CONFIG_8xx
368             CPU_FTRS_8XX |
369 #endif
370 #ifdef CONFIG_40x
371             CPU_FTRS_40X |
372 #endif
373 #ifdef CONFIG_44x
374             CPU_FTRS_44X |
375 #endif
376 #ifdef CONFIG_E200
377             CPU_FTRS_E200 |
378 #endif
379 #ifdef CONFIG_E500
380             CPU_FTRS_E500 | CPU_FTRS_E500_2 |
381 #endif
382             0,
383 };
384 #endif /* __powerpc64__ */
385
386 #ifdef __powerpc64__
387 #define CPU_FTRS_ALWAYS         \
388             (CPU_FTRS_POWER3 & CPU_FTRS_RS64 & CPU_FTRS_POWER4 &        \
389             CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & CPU_FTRS_POWER6 &       \
390             CPU_FTRS_CELL & CPU_FTRS_PA6T & CPU_FTRS_POSSIBLE)
391 #else
392 enum {
393         CPU_FTRS_ALWAYS =
394 #if CLASSIC_PPC
395             CPU_FTRS_PPC601 & CPU_FTRS_603 & CPU_FTRS_604 & CPU_FTRS_740_NOTAU &
396             CPU_FTRS_740 & CPU_FTRS_750 & CPU_FTRS_750FX1 &
397             CPU_FTRS_750FX2 & CPU_FTRS_750FX & CPU_FTRS_750GX &
398             CPU_FTRS_7400_NOTAU & CPU_FTRS_7400 & CPU_FTRS_7450_20 &
399             CPU_FTRS_7450_21 & CPU_FTRS_7450_23 & CPU_FTRS_7455_1 &
400             CPU_FTRS_7455_20 & CPU_FTRS_7455 & CPU_FTRS_7447_10 &
401             CPU_FTRS_7447 & CPU_FTRS_7447A & CPU_FTRS_82XX &
402             CPU_FTRS_G2_LE & CPU_FTRS_E300 & CPU_FTRS_CLASSIC32 &
403 #else
404             CPU_FTRS_GENERIC_32 &
405 #endif
406 #ifdef CONFIG_8xx
407             CPU_FTRS_8XX &
408 #endif
409 #ifdef CONFIG_40x
410             CPU_FTRS_40X &
411 #endif
412 #ifdef CONFIG_44x
413             CPU_FTRS_44X &
414 #endif
415 #ifdef CONFIG_E200
416             CPU_FTRS_E200 &
417 #endif
418 #ifdef CONFIG_E500
419             CPU_FTRS_E500 & CPU_FTRS_E500_2 &
420 #endif
421             CPU_FTRS_POSSIBLE,
422 };
423 #endif /* __powerpc64__ */
424
425 static inline int cpu_has_feature(unsigned long feature)
426 {
427         return (CPU_FTRS_ALWAYS & feature) ||
428                (CPU_FTRS_POSSIBLE
429                 & cur_cpu_spec->cpu_features
430                 & feature);
431 }
432
433 #endif /* !__ASSEMBLY__ */
434
435 #ifdef __ASSEMBLY__
436
437 #define BEGIN_FTR_SECTION_NESTED(label) label:
438 #define BEGIN_FTR_SECTION               BEGIN_FTR_SECTION_NESTED(98)
439
440 #ifndef __powerpc64__
441 #define END_FTR_SECTION_NESTED(msk, val, label) \
442 99:                                             \
443         .section __ftr_fixup,"a";               \
444         .align 2;                               \
445         .long msk;                              \
446         .long val;                              \
447         .long label##b;                         \
448         .long 99b;                              \
449         .previous
450 #else /* __powerpc64__ */
451 #define END_FTR_SECTION_NESTED(msk, val, label) \
452 99:                                             \
453         .section __ftr_fixup,"a";               \
454         .align 3;                               \
455         .llong msk;                             \
456         .llong val;                             \
457         .llong label##b;                                \
458         .llong 99b;                             \
459         .previous
460 #endif /* __powerpc64__ */
461
462 #define END_FTR_SECTION(msk, val)               \
463         END_FTR_SECTION_NESTED(msk, val, 98)
464
465 #define END_FTR_SECTION_IFSET(msk)      END_FTR_SECTION((msk), (msk))
466 #define END_FTR_SECTION_IFCLR(msk)      END_FTR_SECTION((msk), 0)
467 #endif /* __ASSEMBLY__ */
468
469 #endif /* __KERNEL__ */
470 #endif /* __ASM_POWERPC_CPUTABLE_H */