1 #ifndef __ASM_POWERPC_CPUTABLE_H
2 #define __ASM_POWERPC_CPUTABLE_H
3
4
5 #include <asm/asm-compat.h>
6 #include <asm/feature-fixups.h>
7 #include <uapi/asm/cputable.h>
8
9 #ifndef __ASSEMBLY__
10
11 /* This structure can grow, it's real size is used by head.S code
12 * via the mkdefs mechanism.
13 */
14 struct cpu_spec;
15
16 typedef void (*cpu_setup_t)(unsigned long offset, struct cpu_spec* spec);
17 typedef void (*cpu_restore_t)(void);
18
19 enum powerpc_oprofile_type {
20 PPC_OPROFILE_INVALID = 0,
21 PPC_OPROFILE_RS64 = 1,
22 PPC_OPROFILE_POWER4 = 2,
23 PPC_OPROFILE_G4 = 3,
24 PPC_OPROFILE_FSL_EMB = 4,
25 PPC_OPROFILE_CELL = 5,
26 PPC_OPROFILE_PA6T = 6,
27 };
28
29 enum powerpc_pmc_type {
30 PPC_PMC_DEFAULT = 0,
31 PPC_PMC_IBM = 1,
32 PPC_PMC_PA6T = 2,
33 PPC_PMC_G4 = 3,
34 };
35
36 struct pt_regs;
37
38 extern int machine_check_generic(struct pt_regs *regs);
39 extern int machine_check_4xx(struct pt_regs *regs);
40 extern int machine_check_440A(struct pt_regs *regs);
41 extern int machine_check_e500mc(struct pt_regs *regs);
42 extern int machine_check_e500(struct pt_regs *regs);
43 extern int machine_check_e200(struct pt_regs *regs);
44 extern int machine_check_47x(struct pt_regs *regs);
45
46 /* NOTE WELL: Update identify_cpu() if fields are added or removed! */
47 struct cpu_spec {
48 /* CPU is matched via (PVR & pvr_mask) == pvr_value */
49 unsigned int pvr_mask;
50 unsigned int pvr_value;
51
52 char *cpu_name;
53 unsigned long cpu_features; /* Kernel features */
54 unsigned int cpu_user_features; /* Userland features */
55 unsigned int cpu_user_features2; /* Userland features v2 */
56 unsigned int mmu_features; /* MMU features */
57
58 /* cache line sizes */
59 unsigned int icache_bsize;
60 unsigned int dcache_bsize;
61
62 /* number of performance monitor counters */
63 unsigned int num_pmcs;
64 enum powerpc_pmc_type pmc_type;
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 /* Processor specific machine check handling. Return negative
90 * if the error is fatal, 1 if it was fully recovered and 0 to
91 * pass up (not CPU originated) */
92 int (*machine_check)(struct pt_regs *regs);
93
94 /*
95 * Processor specific early machine check handler which is
96 * called in real mode to handle SLB and TLB errors.
97 */
98 long (*machine_check_early)(struct pt_regs *regs);
99
100 /*
101 * Processor specific routine to flush tlbs.
102 */
103 void (*flush_tlb)(unsigned long inval_selector);
104
105 };
106
107 extern struct cpu_spec *cur_cpu_spec;
108
109 extern unsigned int __start___ftr_fixup, __stop___ftr_fixup;
110
111 extern struct cpu_spec *identify_cpu(unsigned long offset, unsigned int pvr);
112 extern void do_feature_fixups(unsigned long value, void *fixup_start,
113 void *fixup_end);
114
115 extern const char *powerpc_base_platform;
116
117 #endif /* __ASSEMBLY__ */
118
119 /* CPU kernel features */
120
121 /* Retain the 32b definitions all use bottom half of word */
122 #define CPU_FTR_COHERENT_ICACHE ASM_CONST(0x00000001)
123 #define CPU_FTR_L2CR ASM_CONST(0x00000002)
124 #define CPU_FTR_SPEC7450 ASM_CONST(0x00000004)
125 #define CPU_FTR_ALTIVEC ASM_CONST(0x00000008)
126 #define CPU_FTR_TAU ASM_CONST(0x00000010)
127 #define CPU_FTR_CAN_DOZE ASM_CONST(0x00000020)
128 #define CPU_FTR_USE_TB ASM_CONST(0x00000040)
129 #define CPU_FTR_L2CSR ASM_CONST(0x00000080)
130 #define CPU_FTR_601 ASM_CONST(0x00000100)
131 #define CPU_FTR_DBELL ASM_CONST(0x00000200)
132 #define CPU_FTR_CAN_NAP ASM_CONST(0x00000400)
133 #define CPU_FTR_L3CR ASM_CONST(0x00000800)
134 #define CPU_FTR_L3_DISABLE_NAP ASM_CONST(0x00001000)
135 #define CPU_FTR_NAP_DISABLE_L2_PR ASM_CONST(0x00002000)
136 #define CPU_FTR_DUAL_PLL_750FX ASM_CONST(0x00004000)
137 #define CPU_FTR_NO_DPM ASM_CONST(0x00008000)
138 #define CPU_FTR_476_DD2 ASM_CONST(0x00010000)
139 #define CPU_FTR_NEED_COHERENT ASM_CONST(0x00020000)
140 #define CPU_FTR_NO_BTIC ASM_CONST(0x00040000)
141 #define CPU_FTR_DEBUG_LVL_EXC ASM_CONST(0x00080000)
142 #define CPU_FTR_NODSISRALIGN ASM_CONST(0x00100000)
143 #define CPU_FTR_PPC_LE ASM_CONST(0x00200000)
144 #define CPU_FTR_REAL_LE ASM_CONST(0x00400000)
145 #define CPU_FTR_FPU_UNAVAILABLE ASM_CONST(0x00800000)
146 #define CPU_FTR_UNIFIED_ID_CACHE ASM_CONST(0x01000000)
147 #define CPU_FTR_SPE ASM_CONST(0x02000000)
148 #define CPU_FTR_NEED_PAIRED_STWCX ASM_CONST(0x04000000)
149 #define CPU_FTR_LWSYNC ASM_CONST(0x08000000)
150 #define CPU_FTR_NOEXECUTE ASM_CONST(0x10000000)
151 #define CPU_FTR_INDEXED_DCR ASM_CONST(0x20000000)
152 #define CPU_FTR_EMB_HV ASM_CONST(0x40000000)
153
154 /*
155 * Add the 64-bit processor unique features in the top half of the word;
156 * on 32-bit, make the names available but defined to be 0.
157 */
158 #ifdef __powerpc64__
159 #define LONG_ASM_CONST(x) ASM_CONST(x)
160 #else
161 #define LONG_ASM_CONST(x) 0
162 #endif
163
164 #define CPU_FTR_HVMODE LONG_ASM_CONST(0x0000000100000000)
165 #define CPU_FTR_ARCH_201 LONG_ASM_CONST(0x0000000200000000)
166 #define CPU_FTR_ARCH_206 LONG_ASM_CONST(0x0000000400000000)
167 #define CPU_FTR_ARCH_207S LONG_ASM_CONST(0x0000000800000000)
168 #define CPU_FTR_IABR LONG_ASM_CONST(0x0000001000000000)
169 #define CPU_FTR_MMCRA LONG_ASM_CONST(0x0000002000000000)
170 #define CPU_FTR_CTRL LONG_ASM_CONST(0x0000004000000000)
171 #define CPU_FTR_SMT LONG_ASM_CONST(0x0000008000000000)
172 #define CPU_FTR_PAUSE_ZERO LONG_ASM_CONST(0x0000010000000000)
173 #define CPU_FTR_PURR LONG_ASM_CONST(0x0000020000000000)
174 #define CPU_FTR_CELL_TB_BUG LONG_ASM_CONST(0x0000040000000000)
175 #define CPU_FTR_SPURR LONG_ASM_CONST(0x0000080000000000)
176 #define CPU_FTR_DSCR LONG_ASM_CONST(0x0000100000000000)
177 #define CPU_FTR_VSX LONG_ASM_CONST(0x0000200000000000)
178 #define CPU_FTR_SAO LONG_ASM_CONST(0x0000400000000000)
179 #define CPU_FTR_CP_USE_DCBTZ LONG_ASM_CONST(0x0000800000000000)
180 #define CPU_FTR_UNALIGNED_LD_STD LONG_ASM_CONST(0x0001000000000000)
181 #define CPU_FTR_ASYM_SMT LONG_ASM_CONST(0x0002000000000000)
182 #define CPU_FTR_STCX_CHECKS_ADDRESS LONG_ASM_CONST(0x0004000000000000)
183 #define CPU_FTR_POPCNTB LONG_ASM_CONST(0x0008000000000000)
184 #define CPU_FTR_POPCNTD LONG_ASM_CONST(0x0010000000000000)
185 #define CPU_FTR_ICSWX LONG_ASM_CONST(0x0020000000000000)
186 #define CPU_FTR_VMX_COPY LONG_ASM_CONST(0x0040000000000000)
187 #define CPU_FTR_TM LONG_ASM_CONST(0x0080000000000000)
188 #define CPU_FTR_CFAR LONG_ASM_CONST(0x0100000000000000)
189 #define CPU_FTR_HAS_PPR LONG_ASM_CONST(0x0200000000000000)
190 #define CPU_FTR_DAWR LONG_ASM_CONST(0x0400000000000000)
191 #define CPU_FTR_DABRX LONG_ASM_CONST(0x0800000000000000)
192 #define CPU_FTR_PMAO_BUG LONG_ASM_CONST(0x1000000000000000)
193
194 #ifndef __ASSEMBLY__
195
196 #define CPU_FTR_PPCAS_ARCH_V2 (CPU_FTR_NOEXECUTE | CPU_FTR_NODSISRALIGN)
197
198 #define MMU_FTR_PPCAS_ARCH_V2 (MMU_FTR_TLBIEL | MMU_FTR_16M_PAGE)
199
200 /* We only set the altivec features if the kernel was compiled with altivec
201 * support
202 */
203 #ifdef CONFIG_ALTIVEC
204 #define CPU_FTR_ALTIVEC_COMP CPU_FTR_ALTIVEC
205 #define PPC_FEATURE_HAS_ALTIVEC_COMP PPC_FEATURE_HAS_ALTIVEC
206 #else
207 #define CPU_FTR_ALTIVEC_COMP 0
208 #define PPC_FEATURE_HAS_ALTIVEC_COMP 0
209 #endif
210
211 /* We only set the VSX features if the kernel was compiled with VSX
212 * support
213 */
214 #ifdef CONFIG_VSX
215 #define CPU_FTR_VSX_COMP CPU_FTR_VSX
216 #define PPC_FEATURE_HAS_VSX_COMP PPC_FEATURE_HAS_VSX
217 #else
218 #define CPU_FTR_VSX_COMP 0
219 #define PPC_FEATURE_HAS_VSX_COMP 0
220 #endif
221
222 /* We only set the spe features if the kernel was compiled with spe
223 * support
224 */
225 #ifdef CONFIG_SPE
226 #define CPU_FTR_SPE_COMP CPU_FTR_SPE
227 #define PPC_FEATURE_HAS_SPE_COMP PPC_FEATURE_HAS_SPE
228 #define PPC_FEATURE_HAS_EFP_SINGLE_COMP PPC_FEATURE_HAS_EFP_SINGLE
229 #define PPC_FEATURE_HAS_EFP_DOUBLE_COMP PPC_FEATURE_HAS_EFP_DOUBLE
230 #else
231 #define CPU_FTR_SPE_COMP 0
232 #define PPC_FEATURE_HAS_SPE_COMP 0
233 #define PPC_FEATURE_HAS_EFP_SINGLE_COMP 0
234 #define PPC_FEATURE_HAS_EFP_DOUBLE_COMP 0
235 #endif
236
237 /* We only set the TM feature if the kernel was compiled with TM supprt */
238 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM
239 #define CPU_FTR_TM_COMP CPU_FTR_TM
240 #define PPC_FEATURE2_HTM_COMP PPC_FEATURE2_HTM
241 #else
242 #define CPU_FTR_TM_COMP 0
243 #define PPC_FEATURE2_HTM_COMP 0
244 #endif
245
246 /* We need to mark all pages as being coherent if we're SMP or we have a
247 * 74[45]x and an MPC107 host bridge. Also 83xx and PowerQUICC II
248 * require it for PCI "streaming/prefetch" to work properly.
249 * This is also required by 52xx family.
250 */
251 #if defined(CONFIG_SMP) || defined(CONFIG_MPC10X_BRIDGE) \
252 || defined(CONFIG_PPC_83xx) || defined(CONFIG_8260) \
253 || defined(CONFIG_PPC_MPC52xx)
254 #define CPU_FTR_COMMON CPU_FTR_NEED_COHERENT
255 #else
256 #define CPU_FTR_COMMON 0
257 #endif
258
259 /* The powersave features NAP & DOZE seems to confuse BDI when
260 debugging. So if a BDI is used, disable theses
261 */
262 #ifndef CONFIG_BDI_SWITCH
263 #define CPU_FTR_MAYBE_CAN_DOZE CPU_FTR_CAN_DOZE
264 #define CPU_FTR_MAYBE_CAN_NAP CPU_FTR_CAN_NAP
265 #else
266 #define CPU_FTR_MAYBE_CAN_DOZE 0
267 #define CPU_FTR_MAYBE_CAN_NAP 0
268 #endif
269
270 #define CPU_FTRS_PPC601 (CPU_FTR_COMMON | CPU_FTR_601 | \
271 CPU_FTR_COHERENT_ICACHE | CPU_FTR_UNIFIED_ID_CACHE)
272 #define CPU_FTRS_603 (CPU_FTR_COMMON | \
273 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | \
274 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
275 #define CPU_FTRS_604 (CPU_FTR_COMMON | \
276 CPU_FTR_USE_TB | CPU_FTR_PPC_LE)
277 #define CPU_FTRS_740_NOTAU (CPU_FTR_COMMON | \
278 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
279 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
280 #define CPU_FTRS_740 (CPU_FTR_COMMON | \
281 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
282 CPU_FTR_TAU | CPU_FTR_MAYBE_CAN_NAP | \
283 CPU_FTR_PPC_LE)
284 #define CPU_FTRS_750 (CPU_FTR_COMMON | \
285 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
286 CPU_FTR_TAU | CPU_FTR_MAYBE_CAN_NAP | \
287 CPU_FTR_PPC_LE)
288 #define CPU_FTRS_750CL (CPU_FTRS_750)
289 #define CPU_FTRS_750FX1 (CPU_FTRS_750 | CPU_FTR_DUAL_PLL_750FX | CPU_FTR_NO_DPM)
290 #define CPU_FTRS_750FX2 (CPU_FTRS_750 | CPU_FTR_NO_DPM)
291 #define CPU_FTRS_750FX (CPU_FTRS_750 | CPU_FTR_DUAL_PLL_750FX)
292 #define CPU_FTRS_750GX (CPU_FTRS_750FX)
293 #define CPU_FTRS_7400_NOTAU (CPU_FTR_COMMON | \
294 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
295 CPU_FTR_ALTIVEC_COMP | \
296 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
297 #define CPU_FTRS_7400 (CPU_FTR_COMMON | \
298 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
299 CPU_FTR_TAU | CPU_FTR_ALTIVEC_COMP | \
300 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
301 #define CPU_FTRS_7450_20 (CPU_FTR_COMMON | \
302 CPU_FTR_USE_TB | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
303 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \
304 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
305 #define CPU_FTRS_7450_21 (CPU_FTR_COMMON | \
306 CPU_FTR_USE_TB | \
307 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
308 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \
309 CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \
310 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
311 #define CPU_FTRS_7450_23 (CPU_FTR_COMMON | \
312 CPU_FTR_USE_TB | CPU_FTR_NEED_PAIRED_STWCX | \
313 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
314 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \
315 CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
316 #define CPU_FTRS_7455_1 (CPU_FTR_COMMON | \
317 CPU_FTR_USE_TB | CPU_FTR_NEED_PAIRED_STWCX | \
318 CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | CPU_FTR_L3CR | \
319 CPU_FTR_SPEC7450 | CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
320 #define CPU_FTRS_7455_20 (CPU_FTR_COMMON | \
321 CPU_FTR_USE_TB | CPU_FTR_NEED_PAIRED_STWCX | \
322 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
323 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \
324 CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \
325 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
326 #define CPU_FTRS_7455 (CPU_FTR_COMMON | \
327 CPU_FTR_USE_TB | \
328 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
329 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
330 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
331 #define CPU_FTRS_7447_10 (CPU_FTR_COMMON | \
332 CPU_FTR_USE_TB | \
333 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
334 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
335 CPU_FTR_NEED_COHERENT | CPU_FTR_NO_BTIC | CPU_FTR_PPC_LE | \
336 CPU_FTR_NEED_PAIRED_STWCX)
337 #define CPU_FTRS_7447 (CPU_FTR_COMMON | \
338 CPU_FTR_USE_TB | \
339 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
340 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
341 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
342 #define CPU_FTRS_7447A (CPU_FTR_COMMON | \
343 CPU_FTR_USE_TB | \
344 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
345 CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
346 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
347 #define CPU_FTRS_7448 (CPU_FTR_COMMON | \
348 CPU_FTR_USE_TB | \
349 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
350 CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
351 CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
352 #define CPU_FTRS_82XX (CPU_FTR_COMMON | \
353 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB)
354 #define CPU_FTRS_G2_LE (CPU_FTR_COMMON | CPU_FTR_MAYBE_CAN_DOZE | \
355 CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP)
356 #define CPU_FTRS_E300 (CPU_FTR_MAYBE_CAN_DOZE | \
357 CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | \
358 CPU_FTR_COMMON)
359 #define CPU_FTRS_E300C2 (CPU_FTR_MAYBE_CAN_DOZE | \
360 CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | \
361 CPU_FTR_COMMON | CPU_FTR_FPU_UNAVAILABLE)
362 #define CPU_FTRS_CLASSIC32 (CPU_FTR_COMMON | CPU_FTR_USE_TB)
363 #define CPU_FTRS_8XX (CPU_FTR_USE_TB)
364 #define CPU_FTRS_40X (CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE)
365 #define CPU_FTRS_44X (CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE)
366 #define CPU_FTRS_440x6 (CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE | \
367 CPU_FTR_INDEXED_DCR)
368 #define CPU_FTRS_47X (CPU_FTRS_440x6)
369 #define CPU_FTRS_E200 (CPU_FTR_USE_TB | CPU_FTR_SPE_COMP | \
370 CPU_FTR_NODSISRALIGN | CPU_FTR_COHERENT_ICACHE | \
371 CPU_FTR_UNIFIED_ID_CACHE | CPU_FTR_NOEXECUTE | \
372 CPU_FTR_DEBUG_LVL_EXC)
373 #define CPU_FTRS_E500 (CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | \
374 CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_NODSISRALIGN | \
375 CPU_FTR_NOEXECUTE)
376 #define CPU_FTRS_E500_2 (CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | \
377 CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | \
378 CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE)
379 #define CPU_FTRS_E500MC (CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN | \
380 CPU_FTR_L2CSR | CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \
381 CPU_FTR_DBELL | CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV)
382 /*
383 * e5500/e6500 erratum A-006958 is a timebase bug that can use the
384 * same workaround as CPU_FTR_CELL_TB_BUG.
385 */
386 #define CPU_FTRS_E5500 (CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN | \
387 CPU_FTR_L2CSR | CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \
388 CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
389 CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV | CPU_FTR_CELL_TB_BUG)
390 #define CPU_FTRS_E6500 (CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN | \
391 CPU_FTR_L2CSR | CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \
392 CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
393 CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV | CPU_FTR_ALTIVEC_COMP | \
394 CPU_FTR_CELL_TB_BUG | CPU_FTR_SMT)
395 #define CPU_FTRS_GENERIC_32 (CPU_FTR_COMMON | CPU_FTR_NODSISRALIGN)
396
397 /* 64-bit CPUs */
398 #define CPU_FTRS_POWER4 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
399 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
400 CPU_FTR_MMCRA | CPU_FTR_CP_USE_DCBTZ | \
401 CPU_FTR_STCX_CHECKS_ADDRESS)
402 #define CPU_FTRS_PPC970 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
403 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_201 | \
404 CPU_FTR_ALTIVEC_COMP | CPU_FTR_CAN_NAP | CPU_FTR_MMCRA | \
405 CPU_FTR_CP_USE_DCBTZ | CPU_FTR_STCX_CHECKS_ADDRESS | \
406 CPU_FTR_HVMODE | CPU_FTR_DABRX)
407 #define CPU_FTRS_POWER5 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
408 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
409 CPU_FTR_MMCRA | CPU_FTR_SMT | \
410 CPU_FTR_COHERENT_ICACHE | CPU_FTR_PURR | \
411 CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_DABRX)
412 #define CPU_FTRS_POWER6 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
413 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
414 CPU_FTR_MMCRA | CPU_FTR_SMT | \
415 CPU_FTR_COHERENT_ICACHE | \
416 CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
417 CPU_FTR_DSCR | CPU_FTR_UNALIGNED_LD_STD | \
418 CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_CFAR | \
419 CPU_FTR_DABRX)
420 #define CPU_FTRS_POWER7 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
421 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
422 CPU_FTR_MMCRA | CPU_FTR_SMT | \
423 CPU_FTR_COHERENT_ICACHE | \
424 CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
425 CPU_FTR_DSCR | CPU_FTR_SAO | CPU_FTR_ASYM_SMT | \
426 CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
427 CPU_FTR_ICSWX | CPU_FTR_CFAR | CPU_FTR_HVMODE | \
428 CPU_FTR_VMX_COPY | CPU_FTR_HAS_PPR | CPU_FTR_DABRX)
429 #define CPU_FTRS_POWER8 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
430 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
431 CPU_FTR_MMCRA | CPU_FTR_SMT | \
432 CPU_FTR_COHERENT_ICACHE | \
433 CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
434 CPU_FTR_DSCR | CPU_FTR_SAO | \
435 CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
436 CPU_FTR_ICSWX | CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \
437 CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_DAWR | \
438 CPU_FTR_ARCH_207S | CPU_FTR_TM_COMP)
439 #define CPU_FTRS_POWER8E (CPU_FTRS_POWER8 | CPU_FTR_PMAO_BUG)
440 #define CPU_FTRS_POWER8_DD1 (CPU_FTRS_POWER8 & ~CPU_FTR_DBELL)
441 #define CPU_FTRS_CELL (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
442 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
443 CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \
444 CPU_FTR_PAUSE_ZERO | CPU_FTR_CELL_TB_BUG | CPU_FTR_CP_USE_DCBTZ | \
445 CPU_FTR_UNALIGNED_LD_STD | CPU_FTR_DABRX)
446 #define CPU_FTRS_PA6T (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
447 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_ALTIVEC_COMP | \
448 CPU_FTR_PURR | CPU_FTR_REAL_LE | CPU_FTR_DABRX)
449 #define CPU_FTRS_COMPATIBLE (CPU_FTR_USE_TB | CPU_FTR_PPCAS_ARCH_V2)
450
451 #define CPU_FTRS_A2 (CPU_FTR_USE_TB | CPU_FTR_SMT | CPU_FTR_DBELL | \
452 CPU_FTR_NOEXECUTE | CPU_FTR_NODSISRALIGN | \
453 CPU_FTR_ICSWX | CPU_FTR_DABRX )
454
455 #ifdef __powerpc64__
456 #ifdef CONFIG_PPC_BOOK3E
457 #define CPU_FTRS_POSSIBLE (CPU_FTRS_E6500 | CPU_FTRS_E5500 | CPU_FTRS_A2)
458 #else
459 #define CPU_FTRS_POSSIBLE \
460 (CPU_FTRS_POWER4 | CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | \
461 CPU_FTRS_POWER6 | CPU_FTRS_POWER7 | CPU_FTRS_POWER8E | \
462 CPU_FTRS_POWER8 | CPU_FTRS_POWER8_DD1 | CPU_FTRS_CELL | \
463 CPU_FTRS_PA6T | CPU_FTR_VSX)
464 #endif
465 #else
466 enum {
467 CPU_FTRS_POSSIBLE =
468 #ifdef CONFIG_PPC_BOOK3S_32
469 CPU_FTRS_PPC601 | CPU_FTRS_603 | CPU_FTRS_604 | CPU_FTRS_740_NOTAU |
470 CPU_FTRS_740 | CPU_FTRS_750 | CPU_FTRS_750FX1 |
471 CPU_FTRS_750FX2 | CPU_FTRS_750FX | CPU_FTRS_750GX |
472 CPU_FTRS_7400_NOTAU | CPU_FTRS_7400 | CPU_FTRS_7450_20 |
473 CPU_FTRS_7450_21 | CPU_FTRS_7450_23 | CPU_FTRS_7455_1 |
474 CPU_FTRS_7455_20 | CPU_FTRS_7455 | CPU_FTRS_7447_10 |
475 CPU_FTRS_7447 | CPU_FTRS_7447A | CPU_FTRS_82XX |
476 CPU_FTRS_G2_LE | CPU_FTRS_E300 | CPU_FTRS_E300C2 |
477 CPU_FTRS_CLASSIC32 |
478 #else
479 CPU_FTRS_GENERIC_32 |
480 #endif
481 #ifdef CONFIG_8xx
482 CPU_FTRS_8XX |
483 #endif
484 #ifdef CONFIG_40x
485 CPU_FTRS_40X |
486 #endif
487 #ifdef CONFIG_44x
488 CPU_FTRS_44X | CPU_FTRS_440x6 |
489 #endif
490 #ifdef CONFIG_PPC_47x
491 CPU_FTRS_47X | CPU_FTR_476_DD2 |
492 #endif
493 #ifdef CONFIG_E200
494 CPU_FTRS_E200 |
495 #endif
496 #ifdef CONFIG_E500
497 CPU_FTRS_E500 | CPU_FTRS_E500_2 |
498 #endif
499 #ifdef CONFIG_PPC_E500MC
500 CPU_FTRS_E500MC | CPU_FTRS_E5500 | CPU_FTRS_E6500 |
501 #endif
502 0,
503 };
504 #endif /* __powerpc64__ */
505
506 #ifdef __powerpc64__
507 #ifdef CONFIG_PPC_BOOK3E
508 #define CPU_FTRS_ALWAYS (CPU_FTRS_E6500 & CPU_FTRS_E5500 & CPU_FTRS_A2)
509 #else
510 #define CPU_FTRS_ALWAYS \
511 (CPU_FTRS_POWER4 & CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & \
512 CPU_FTRS_POWER6 & CPU_FTRS_POWER7 & CPU_FTRS_CELL & \
513 CPU_FTRS_PA6T & CPU_FTRS_POWER8 & CPU_FTRS_POWER8E & \
514 CPU_FTRS_POWER8_DD1 & CPU_FTRS_POSSIBLE)
515 #endif
516 #else
517 enum {
518 CPU_FTRS_ALWAYS =
519 #ifdef CONFIG_PPC_BOOK3S_32
520 CPU_FTRS_PPC601 & CPU_FTRS_603 & CPU_FTRS_604 & CPU_FTRS_740_NOTAU &
521 CPU_FTRS_740 & CPU_FTRS_750 & CPU_FTRS_750FX1 &
522 CPU_FTRS_750FX2 & CPU_FTRS_750FX & CPU_FTRS_750GX &
523 CPU_FTRS_7400_NOTAU & CPU_FTRS_7400 & CPU_FTRS_7450_20 &
524 CPU_FTRS_7450_21 & CPU_FTRS_7450_23 & CPU_FTRS_7455_1 &
525 CPU_FTRS_7455_20 & CPU_FTRS_7455 & CPU_FTRS_7447_10 &
526 CPU_FTRS_7447 & CPU_FTRS_7447A & CPU_FTRS_82XX &
527 CPU_FTRS_G2_LE & CPU_FTRS_E300 & CPU_FTRS_E300C2 &
528 CPU_FTRS_CLASSIC32 &
529 #else
530 CPU_FTRS_GENERIC_32 &
531 #endif
532 #ifdef CONFIG_8xx
533 CPU_FTRS_8XX &
534 #endif
535 #ifdef CONFIG_40x
536 CPU_FTRS_40X &
537 #endif
538 #ifdef CONFIG_44x
539 CPU_FTRS_44X & CPU_FTRS_440x6 &
540 #endif
541 #ifdef CONFIG_E200
542 CPU_FTRS_E200 &
543 #endif
544 #ifdef CONFIG_E500
545 CPU_FTRS_E500 & CPU_FTRS_E500_2 &
546 #endif
547 #ifdef CONFIG_PPC_E500MC
548 CPU_FTRS_E500MC & CPU_FTRS_E5500 & CPU_FTRS_E6500 &
549 #endif
550 ~CPU_FTR_EMB_HV & /* can be removed at runtime */
551 CPU_FTRS_POSSIBLE,
552 };
553 #endif /* __powerpc64__ */
554
cpu_has_feature(unsigned long feature)555 static inline int cpu_has_feature(unsigned long feature)
556 {
557 return (CPU_FTRS_ALWAYS & feature) ||
558 (CPU_FTRS_POSSIBLE
559 & cur_cpu_spec->cpu_features
560 & feature);
561 }
562
563 #define HBP_NUM 1
564
565 #endif /* !__ASSEMBLY__ */
566
567 #endif /* __ASM_POWERPC_CPUTABLE_H */
568