1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __ASM_POWERPC_CPUTABLE_H
3 #define __ASM_POWERPC_CPUTABLE_H
4
5
6 #include <linux/types.h>
7 #include <uapi/asm/cputable.h>
8 #include <asm/asm-const.h>
9
10 #ifndef __ASSEMBLY__
11
12 /* This structure can grow, it's real size is used by head.S code
13 * via the mkdefs mechanism.
14 */
15 struct cpu_spec;
16
17 typedef void (*cpu_setup_t)(unsigned long offset, struct cpu_spec* spec);
18 typedef void (*cpu_restore_t)(void);
19
20 enum powerpc_pmc_type {
21 PPC_PMC_DEFAULT = 0,
22 PPC_PMC_IBM = 1,
23 PPC_PMC_PA6T = 2,
24 PPC_PMC_G4 = 3,
25 };
26
27 struct pt_regs;
28
29 extern int machine_check_generic(struct pt_regs *regs);
30 extern int machine_check_4xx(struct pt_regs *regs);
31 extern int machine_check_440A(struct pt_regs *regs);
32 extern int machine_check_e500mc(struct pt_regs *regs);
33 extern int machine_check_e500(struct pt_regs *regs);
34 extern int machine_check_47x(struct pt_regs *regs);
35 int machine_check_8xx(struct pt_regs *regs);
36 int machine_check_83xx(struct pt_regs *regs);
37
38 extern void cpu_down_flush_e500v2(void);
39 extern void cpu_down_flush_e500mc(void);
40 extern void cpu_down_flush_e5500(void);
41 extern void cpu_down_flush_e6500(void);
42
43 /* NOTE WELL: Update identify_cpu() if fields are added or removed! */
44 struct cpu_spec {
45 /* CPU is matched via (PVR & pvr_mask) == pvr_value */
46 unsigned int pvr_mask;
47 unsigned int pvr_value;
48
49 char *cpu_name;
50 unsigned long cpu_features; /* Kernel features */
51 unsigned int cpu_user_features; /* Userland features */
52 unsigned int cpu_user_features2; /* Userland features v2 */
53 unsigned int mmu_features; /* MMU features */
54
55 /* cache line sizes */
56 unsigned int icache_bsize;
57 unsigned int dcache_bsize;
58
59 /* flush caches inside the current cpu */
60 void (*cpu_down_flush)(void);
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 /* Name of processor class, for the ELF AT_PLATFORM entry */
74 char *platform;
75
76 /* Processor specific machine check handling. Return negative
77 * if the error is fatal, 1 if it was fully recovered and 0 to
78 * pass up (not CPU originated) */
79 int (*machine_check)(struct pt_regs *regs);
80
81 /*
82 * Processor specific early machine check handler which is
83 * called in real mode to handle SLB and TLB errors.
84 */
85 long (*machine_check_early)(struct pt_regs *regs);
86 };
87
88 extern struct cpu_spec *cur_cpu_spec;
89
90 extern unsigned int __start___ftr_fixup, __stop___ftr_fixup;
91
92 extern void set_cur_cpu_spec(struct cpu_spec *s);
93 extern struct cpu_spec *identify_cpu(unsigned long offset, unsigned int pvr);
94 extern void identify_cpu_name(unsigned int pvr);
95 extern void do_feature_fixups(unsigned long value, void *fixup_start,
96 void *fixup_end);
97
98 extern const char *powerpc_base_platform;
99
100 #ifdef CONFIG_JUMP_LABEL_FEATURE_CHECKS
101 extern void cpu_feature_keys_init(void);
102 #else
103 static inline void cpu_feature_keys_init(void) { }
104 #endif
105
106 #endif /* __ASSEMBLY__ */
107
108 /* CPU kernel features */
109
110 /* Definitions for features that we have on both 32-bit and 64-bit chips */
111 #define CPU_FTR_COHERENT_ICACHE ASM_CONST(0x00000001)
112 #define CPU_FTR_ALTIVEC ASM_CONST(0x00000002)
113 #define CPU_FTR_DBELL ASM_CONST(0x00000004)
114 #define CPU_FTR_CAN_NAP ASM_CONST(0x00000008)
115 #define CPU_FTR_DEBUG_LVL_EXC ASM_CONST(0x00000010)
116 // ASM_CONST(0x00000020) Free
117 #define CPU_FTR_FPU_UNAVAILABLE ASM_CONST(0x00000040)
118 #define CPU_FTR_LWSYNC ASM_CONST(0x00000080)
119 #define CPU_FTR_NOEXECUTE ASM_CONST(0x00000100)
120 #define CPU_FTR_EMB_HV ASM_CONST(0x00000200)
121
122 /* Definitions for features that only exist on 32-bit chips */
123 #ifdef CONFIG_PPC32
124 #define CPU_FTR_L2CR ASM_CONST(0x00002000)
125 #define CPU_FTR_SPEC7450 ASM_CONST(0x00004000)
126 #define CPU_FTR_TAU ASM_CONST(0x00008000)
127 #define CPU_FTR_CAN_DOZE ASM_CONST(0x00010000)
128 #define CPU_FTR_L3CR ASM_CONST(0x00040000)
129 #define CPU_FTR_L3_DISABLE_NAP ASM_CONST(0x00080000)
130 #define CPU_FTR_NAP_DISABLE_L2_PR ASM_CONST(0x00100000)
131 #define CPU_FTR_DUAL_PLL_750FX ASM_CONST(0x00200000)
132 #define CPU_FTR_NO_DPM ASM_CONST(0x00400000)
133 #define CPU_FTR_476_DD2 ASM_CONST(0x00800000)
134 #define CPU_FTR_NEED_COHERENT ASM_CONST(0x01000000)
135 #define CPU_FTR_NO_BTIC ASM_CONST(0x02000000)
136 #define CPU_FTR_PPC_LE ASM_CONST(0x04000000)
137 #define CPU_FTR_SPE ASM_CONST(0x10000000)
138 #define CPU_FTR_NEED_PAIRED_STWCX ASM_CONST(0x20000000)
139 #define CPU_FTR_INDEXED_DCR ASM_CONST(0x40000000)
140
141 #else /* CONFIG_PPC32 */
142 /* Define these to 0 for the sake of tests in common code */
143 #define CPU_FTR_PPC_LE (0)
144 #define CPU_FTR_SPE (0)
145 #endif
146
147 /*
148 * Definitions for the 64-bit processor unique features;
149 * on 32-bit, make the names available but defined to be 0.
150 */
151 #ifdef __powerpc64__
152 #define LONG_ASM_CONST(x) ASM_CONST(x)
153 #else
154 #define LONG_ASM_CONST(x) 0
155 #endif
156
157 #define CPU_FTR_REAL_LE LONG_ASM_CONST(0x0000000000001000)
158 #define CPU_FTR_HVMODE LONG_ASM_CONST(0x0000000000002000)
159 #define CPU_FTR_ARCH_206 LONG_ASM_CONST(0x0000000000008000)
160 #define CPU_FTR_ARCH_207S LONG_ASM_CONST(0x0000000000010000)
161 #define CPU_FTR_ARCH_300 LONG_ASM_CONST(0x0000000000020000)
162 #define CPU_FTR_MMCRA LONG_ASM_CONST(0x0000000000040000)
163 #define CPU_FTR_CTRL LONG_ASM_CONST(0x0000000000080000)
164 #define CPU_FTR_SMT LONG_ASM_CONST(0x0000000000100000)
165 #define CPU_FTR_PAUSE_ZERO LONG_ASM_CONST(0x0000000000200000)
166 #define CPU_FTR_PURR LONG_ASM_CONST(0x0000000000400000)
167 #define CPU_FTR_CELL_TB_BUG LONG_ASM_CONST(0x0000000000800000)
168 #define CPU_FTR_SPURR LONG_ASM_CONST(0x0000000001000000)
169 #define CPU_FTR_DSCR LONG_ASM_CONST(0x0000000002000000)
170 #define CPU_FTR_VSX LONG_ASM_CONST(0x0000000004000000)
171 #define CPU_FTR_SAO LONG_ASM_CONST(0x0000000008000000)
172 #define CPU_FTR_CP_USE_DCBTZ LONG_ASM_CONST(0x0000000010000000)
173 #define CPU_FTR_UNALIGNED_LD_STD LONG_ASM_CONST(0x0000000020000000)
174 #define CPU_FTR_ASYM_SMT LONG_ASM_CONST(0x0000000040000000)
175 #define CPU_FTR_STCX_CHECKS_ADDRESS LONG_ASM_CONST(0x0000000080000000)
176 #define CPU_FTR_POPCNTB LONG_ASM_CONST(0x0000000100000000)
177 #define CPU_FTR_POPCNTD LONG_ASM_CONST(0x0000000200000000)
178 /* LONG_ASM_CONST(0x0000000400000000) Free */
179 #define CPU_FTR_VMX_COPY LONG_ASM_CONST(0x0000000800000000)
180 #define CPU_FTR_TM LONG_ASM_CONST(0x0000001000000000)
181 #define CPU_FTR_CFAR LONG_ASM_CONST(0x0000002000000000)
182 #define CPU_FTR_HAS_PPR LONG_ASM_CONST(0x0000004000000000)
183 #define CPU_FTR_DAWR LONG_ASM_CONST(0x0000008000000000)
184 #define CPU_FTR_DABRX LONG_ASM_CONST(0x0000010000000000)
185 #define CPU_FTR_PMAO_BUG LONG_ASM_CONST(0x0000020000000000)
186 #define CPU_FTR_POWER9_DD2_1 LONG_ASM_CONST(0x0000080000000000)
187 #define CPU_FTR_P9_TM_HV_ASSIST LONG_ASM_CONST(0x0000100000000000)
188 #define CPU_FTR_P9_TM_XER_SO_BUG LONG_ASM_CONST(0x0000200000000000)
189 #define CPU_FTR_P9_TLBIE_STQ_BUG LONG_ASM_CONST(0x0000400000000000)
190 #define CPU_FTR_P9_TIDR LONG_ASM_CONST(0x0000800000000000)
191 #define CPU_FTR_P9_TLBIE_ERAT_BUG LONG_ASM_CONST(0x0001000000000000)
192 #define CPU_FTR_P9_RADIX_PREFETCH_BUG LONG_ASM_CONST(0x0002000000000000)
193 #define CPU_FTR_ARCH_31 LONG_ASM_CONST(0x0004000000000000)
194 #define CPU_FTR_DAWR1 LONG_ASM_CONST(0x0008000000000000)
195 #define CPU_FTR_DEXCR_NPHIE LONG_ASM_CONST(0x0010000000000000)
196
197 #ifndef __ASSEMBLY__
198
199 #define CPU_FTR_PPCAS_ARCH_V2 (CPU_FTR_NOEXECUTE)
200
201 /* We only set the altivec features if the kernel was compiled with altivec
202 * support
203 */
204 #ifdef CONFIG_ALTIVEC
205 #define CPU_FTR_ALTIVEC_COMP CPU_FTR_ALTIVEC
206 #define PPC_FEATURE_HAS_ALTIVEC_COMP PPC_FEATURE_HAS_ALTIVEC
207 #else
208 #define CPU_FTR_ALTIVEC_COMP 0
209 #define PPC_FEATURE_HAS_ALTIVEC_COMP 0
210 #endif
211
212 /* We only set the VSX features if the kernel was compiled with VSX
213 * support
214 */
215 #ifdef CONFIG_VSX
216 #define CPU_FTR_VSX_COMP CPU_FTR_VSX
217 #define PPC_FEATURE_HAS_VSX_COMP PPC_FEATURE_HAS_VSX
218 #else
219 #define CPU_FTR_VSX_COMP 0
220 #define PPC_FEATURE_HAS_VSX_COMP 0
221 #endif
222
223 /* We only set the spe features if the kernel was compiled with spe
224 * support
225 */
226 #ifdef CONFIG_SPE
227 #define CPU_FTR_SPE_COMP CPU_FTR_SPE
228 #define PPC_FEATURE_HAS_SPE_COMP PPC_FEATURE_HAS_SPE
229 #define PPC_FEATURE_HAS_EFP_SINGLE_COMP PPC_FEATURE_HAS_EFP_SINGLE
230 #define PPC_FEATURE_HAS_EFP_DOUBLE_COMP PPC_FEATURE_HAS_EFP_DOUBLE
231 #else
232 #define CPU_FTR_SPE_COMP 0
233 #define PPC_FEATURE_HAS_SPE_COMP 0
234 #define PPC_FEATURE_HAS_EFP_SINGLE_COMP 0
235 #define PPC_FEATURE_HAS_EFP_DOUBLE_COMP 0
236 #endif
237
238 /* We only set the TM feature if the kernel was compiled with TM supprt */
239 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM
240 #define CPU_FTR_TM_COMP CPU_FTR_TM
241 #define PPC_FEATURE2_HTM_COMP PPC_FEATURE2_HTM
242 #define PPC_FEATURE2_HTM_NOSC_COMP PPC_FEATURE2_HTM_NOSC
243 #else
244 #define CPU_FTR_TM_COMP 0
245 #define PPC_FEATURE2_HTM_COMP 0
246 #define PPC_FEATURE2_HTM_NOSC_COMP 0
247 #endif
248
249 /* We need to mark all pages as being coherent if we're SMP or we have a
250 * 74[45]x and an MPC107 host bridge. Also 83xx and PowerQUICC II
251 * require it for PCI "streaming/prefetch" to work properly.
252 * This is also required by 52xx family.
253 */
254 #if defined(CONFIG_SMP) || defined(CONFIG_MPC10X_BRIDGE) \
255 || defined(CONFIG_PPC_83xx) || defined(CONFIG_PPC_82xx) \
256 || defined(CONFIG_PPC_MPC52xx)
257 #define CPU_FTR_COMMON CPU_FTR_NEED_COHERENT
258 #else
259 #define CPU_FTR_COMMON 0
260 #endif
261
262 /* The powersave features NAP & DOZE seems to confuse BDI when
263 debugging. So if a BDI is used, disable theses
264 */
265 #ifndef CONFIG_BDI_SWITCH
266 #define CPU_FTR_MAYBE_CAN_DOZE CPU_FTR_CAN_DOZE
267 #define CPU_FTR_MAYBE_CAN_NAP CPU_FTR_CAN_NAP
268 #else
269 #define CPU_FTR_MAYBE_CAN_DOZE 0
270 #define CPU_FTR_MAYBE_CAN_NAP 0
271 #endif
272
273 #define CPU_FTRS_603 (CPU_FTR_COMMON | CPU_FTR_MAYBE_CAN_DOZE | \
274 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE | CPU_FTR_NOEXECUTE)
275 #define CPU_FTRS_604 (CPU_FTR_COMMON | CPU_FTR_PPC_LE)
276 #define CPU_FTRS_740_NOTAU (CPU_FTR_COMMON | \
277 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \
278 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
279 #define CPU_FTRS_740 (CPU_FTR_COMMON | \
280 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \
281 CPU_FTR_TAU | CPU_FTR_MAYBE_CAN_NAP | \
282 CPU_FTR_PPC_LE)
283 #define CPU_FTRS_750 (CPU_FTR_COMMON | \
284 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \
285 CPU_FTR_TAU | CPU_FTR_MAYBE_CAN_NAP | \
286 CPU_FTR_PPC_LE)
287 #define CPU_FTRS_750CL (CPU_FTRS_750)
288 #define CPU_FTRS_750FX1 (CPU_FTRS_750 | CPU_FTR_DUAL_PLL_750FX | CPU_FTR_NO_DPM)
289 #define CPU_FTRS_750FX2 (CPU_FTRS_750 | CPU_FTR_NO_DPM)
290 #define CPU_FTRS_750FX (CPU_FTRS_750 | CPU_FTR_DUAL_PLL_750FX)
291 #define CPU_FTRS_750GX (CPU_FTRS_750FX)
292 #define CPU_FTRS_7400_NOTAU (CPU_FTR_COMMON | \
293 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \
294 CPU_FTR_ALTIVEC_COMP | \
295 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
296 #define CPU_FTRS_7400 (CPU_FTR_COMMON | \
297 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \
298 CPU_FTR_TAU | CPU_FTR_ALTIVEC_COMP | \
299 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
300 #define CPU_FTRS_7450_20 (CPU_FTR_COMMON | \
301 CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
302 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \
303 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
304 #define CPU_FTRS_7450_21 (CPU_FTR_COMMON | \
305 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
306 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \
307 CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \
308 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
309 #define CPU_FTRS_7450_23 (CPU_FTR_COMMON | \
310 CPU_FTR_NEED_PAIRED_STWCX | \
311 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
312 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \
313 CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
314 #define CPU_FTRS_7455_1 (CPU_FTR_COMMON | \
315 CPU_FTR_NEED_PAIRED_STWCX | \
316 CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | CPU_FTR_L3CR | \
317 CPU_FTR_SPEC7450 | CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
318 #define CPU_FTRS_7455_20 (CPU_FTR_COMMON | \
319 CPU_FTR_NEED_PAIRED_STWCX | \
320 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
321 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \
322 CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \
323 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
324 #define CPU_FTRS_7455 (CPU_FTR_COMMON | \
325 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
326 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
327 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
328 #define CPU_FTRS_7447_10 (CPU_FTR_COMMON | \
329 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
330 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
331 CPU_FTR_NEED_COHERENT | CPU_FTR_NO_BTIC | CPU_FTR_PPC_LE | \
332 CPU_FTR_NEED_PAIRED_STWCX)
333 #define CPU_FTRS_7447 (CPU_FTR_COMMON | \
334 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
335 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
336 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
337 #define CPU_FTRS_7447A (CPU_FTR_COMMON | \
338 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
339 CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
340 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
341 #define CPU_FTRS_7448 (CPU_FTR_COMMON | \
342 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
343 CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
344 CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
345 #define CPU_FTRS_82XX (CPU_FTR_COMMON | CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_NOEXECUTE)
346 #define CPU_FTRS_G2_LE (CPU_FTR_COMMON | CPU_FTR_MAYBE_CAN_DOZE | \
347 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_NOEXECUTE)
348 #define CPU_FTRS_E300 (CPU_FTR_MAYBE_CAN_DOZE | \
349 CPU_FTR_MAYBE_CAN_NAP | \
350 CPU_FTR_COMMON | CPU_FTR_NOEXECUTE)
351 #define CPU_FTRS_E300C2 (CPU_FTR_MAYBE_CAN_DOZE | \
352 CPU_FTR_MAYBE_CAN_NAP | \
353 CPU_FTR_COMMON | CPU_FTR_FPU_UNAVAILABLE | CPU_FTR_NOEXECUTE)
354 #define CPU_FTRS_CLASSIC32 (CPU_FTR_COMMON)
355 #define CPU_FTRS_8XX (CPU_FTR_NOEXECUTE)
356 #define CPU_FTRS_44X (CPU_FTR_NOEXECUTE)
357 #define CPU_FTRS_440x6 (CPU_FTR_NOEXECUTE | \
358 CPU_FTR_INDEXED_DCR)
359 #define CPU_FTRS_47X (CPU_FTRS_440x6)
360 #define CPU_FTRS_E500 (CPU_FTR_MAYBE_CAN_DOZE | \
361 CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | \
362 CPU_FTR_NOEXECUTE)
363 #define CPU_FTRS_E500_2 (CPU_FTR_MAYBE_CAN_DOZE | \
364 CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | \
365 CPU_FTR_NOEXECUTE)
366 #define CPU_FTRS_E500MC ( \
367 CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \
368 CPU_FTR_DBELL | CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV)
369 /*
370 * e5500/e6500 erratum A-006958 is a timebase bug that can use the
371 * same workaround as CPU_FTR_CELL_TB_BUG.
372 */
373 #define CPU_FTRS_E5500 ( \
374 CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \
375 CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
376 CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV | CPU_FTR_CELL_TB_BUG)
377 #define CPU_FTRS_E6500 ( \
378 CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \
379 CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
380 CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV | CPU_FTR_ALTIVEC_COMP | \
381 CPU_FTR_CELL_TB_BUG | CPU_FTR_SMT)
382
383 /* 64-bit CPUs */
384 #define CPU_FTRS_PPC970 (CPU_FTR_LWSYNC | \
385 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
386 CPU_FTR_ALTIVEC_COMP | CPU_FTR_CAN_NAP | CPU_FTR_MMCRA | \
387 CPU_FTR_CP_USE_DCBTZ | CPU_FTR_STCX_CHECKS_ADDRESS | \
388 CPU_FTR_HVMODE | CPU_FTR_DABRX)
389 #define CPU_FTRS_POWER5 (CPU_FTR_LWSYNC | \
390 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
391 CPU_FTR_MMCRA | CPU_FTR_SMT | \
392 CPU_FTR_COHERENT_ICACHE | CPU_FTR_PURR | \
393 CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_DABRX)
394 #define CPU_FTRS_POWER6 (CPU_FTR_LWSYNC | \
395 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
396 CPU_FTR_MMCRA | CPU_FTR_SMT | \
397 CPU_FTR_COHERENT_ICACHE | \
398 CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
399 CPU_FTR_DSCR | CPU_FTR_UNALIGNED_LD_STD | \
400 CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_CFAR | \
401 CPU_FTR_DABRX)
402 #define CPU_FTRS_POWER7 (CPU_FTR_LWSYNC | \
403 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
404 CPU_FTR_MMCRA | CPU_FTR_SMT | \
405 CPU_FTR_COHERENT_ICACHE | \
406 CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
407 CPU_FTR_DSCR | CPU_FTR_SAO | CPU_FTR_ASYM_SMT | \
408 CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
409 CPU_FTR_CFAR | CPU_FTR_HVMODE | \
410 CPU_FTR_VMX_COPY | CPU_FTR_HAS_PPR | CPU_FTR_DABRX )
411 #define CPU_FTRS_POWER8 (CPU_FTR_LWSYNC | \
412 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
413 CPU_FTR_MMCRA | CPU_FTR_SMT | \
414 CPU_FTR_COHERENT_ICACHE | \
415 CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
416 CPU_FTR_DSCR | CPU_FTR_SAO | \
417 CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
418 CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \
419 CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_DAWR | \
420 CPU_FTR_ARCH_207S | CPU_FTR_TM_COMP )
421 #define CPU_FTRS_POWER8E (CPU_FTRS_POWER8 | CPU_FTR_PMAO_BUG)
422 #define CPU_FTRS_POWER9 (CPU_FTR_LWSYNC | \
423 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
424 CPU_FTR_MMCRA | CPU_FTR_SMT | \
425 CPU_FTR_COHERENT_ICACHE | \
426 CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
427 CPU_FTR_DSCR | CPU_FTR_SAO | \
428 CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
429 CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \
430 CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_ARCH_207S | \
431 CPU_FTR_TM_COMP | CPU_FTR_ARCH_300 | CPU_FTR_P9_TLBIE_STQ_BUG | \
432 CPU_FTR_P9_TLBIE_ERAT_BUG | CPU_FTR_P9_TIDR)
433 #define CPU_FTRS_POWER9_DD2_0 (CPU_FTRS_POWER9 | CPU_FTR_P9_RADIX_PREFETCH_BUG)
434 #define CPU_FTRS_POWER9_DD2_1 (CPU_FTRS_POWER9 | \
435 CPU_FTR_P9_RADIX_PREFETCH_BUG | \
436 CPU_FTR_POWER9_DD2_1)
437 #define CPU_FTRS_POWER9_DD2_2 (CPU_FTRS_POWER9 | CPU_FTR_POWER9_DD2_1 | \
438 CPU_FTR_P9_TM_HV_ASSIST | \
439 CPU_FTR_P9_TM_XER_SO_BUG)
440 #define CPU_FTRS_POWER9_DD2_3 (CPU_FTRS_POWER9 | CPU_FTR_POWER9_DD2_1 | \
441 CPU_FTR_P9_TM_HV_ASSIST | \
442 CPU_FTR_P9_TM_XER_SO_BUG | \
443 CPU_FTR_DAWR)
444 #define CPU_FTRS_POWER10 (CPU_FTR_LWSYNC | \
445 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
446 CPU_FTR_MMCRA | CPU_FTR_SMT | \
447 CPU_FTR_COHERENT_ICACHE | \
448 CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
449 CPU_FTR_DSCR | CPU_FTR_SAO | \
450 CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
451 CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \
452 CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_ARCH_207S | \
453 CPU_FTR_ARCH_300 | CPU_FTR_ARCH_31 | \
454 CPU_FTR_DAWR | CPU_FTR_DAWR1 | \
455 CPU_FTR_DEXCR_NPHIE)
456
457 #define CPU_FTRS_POWER11 CPU_FTRS_POWER10
458
459 #define CPU_FTRS_CELL (CPU_FTR_LWSYNC | \
460 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
461 CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \
462 CPU_FTR_PAUSE_ZERO | CPU_FTR_CELL_TB_BUG | CPU_FTR_CP_USE_DCBTZ | \
463 CPU_FTR_UNALIGNED_LD_STD | CPU_FTR_DABRX)
464 #define CPU_FTRS_PA6T (CPU_FTR_LWSYNC | \
465 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_ALTIVEC_COMP | \
466 CPU_FTR_PURR | CPU_FTR_REAL_LE | CPU_FTR_DABRX)
467 #define CPU_FTRS_COMPATIBLE (CPU_FTR_PPCAS_ARCH_V2)
468
469 #ifdef CONFIG_PPC64
470 #ifdef CONFIG_PPC_BOOK3E_64
471 #define CPU_FTRS_POSSIBLE (CPU_FTRS_E6500 | CPU_FTRS_E5500)
472 #else
473 #ifdef CONFIG_CPU_LITTLE_ENDIAN
474 #define CPU_FTRS_POSSIBLE \
475 (CPU_FTRS_POWER7 | CPU_FTRS_POWER8E | CPU_FTRS_POWER8 | \
476 CPU_FTR_ALTIVEC_COMP | CPU_FTR_VSX_COMP | CPU_FTRS_POWER9 | \
477 CPU_FTRS_POWER9_DD2_1 | CPU_FTRS_POWER9_DD2_2 | \
478 CPU_FTRS_POWER9_DD2_3 | CPU_FTRS_POWER10)
479 #else
480 #define CPU_FTRS_POSSIBLE \
481 (CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | \
482 CPU_FTRS_POWER6 | CPU_FTRS_POWER7 | CPU_FTRS_POWER8E | \
483 CPU_FTRS_POWER8 | CPU_FTRS_CELL | CPU_FTRS_PA6T | \
484 CPU_FTR_VSX_COMP | CPU_FTR_ALTIVEC_COMP | CPU_FTRS_POWER9 | \
485 CPU_FTRS_POWER9_DD2_1 | CPU_FTRS_POWER9_DD2_2 | \
486 CPU_FTRS_POWER9_DD2_3 | CPU_FTRS_POWER10)
487 #endif /* CONFIG_CPU_LITTLE_ENDIAN */
488 #endif
489 #else
490 enum {
491 CPU_FTRS_POSSIBLE =
492 #ifdef CONFIG_PPC_BOOK3S_604
493 CPU_FTRS_604 | CPU_FTRS_740_NOTAU |
494 CPU_FTRS_740 | CPU_FTRS_750 | CPU_FTRS_750FX1 |
495 CPU_FTRS_750FX2 | CPU_FTRS_750FX | CPU_FTRS_750GX |
496 CPU_FTRS_7400_NOTAU | CPU_FTRS_7400 | CPU_FTRS_7450_20 |
497 CPU_FTRS_7450_21 | CPU_FTRS_7450_23 | CPU_FTRS_7455_1 |
498 CPU_FTRS_7455_20 | CPU_FTRS_7455 | CPU_FTRS_7447_10 |
499 CPU_FTRS_7447 | CPU_FTRS_7447A |
500 CPU_FTRS_CLASSIC32 |
501 #endif
502 #ifdef CONFIG_PPC_BOOK3S_603
503 CPU_FTRS_603 | CPU_FTRS_82XX |
504 CPU_FTRS_G2_LE | CPU_FTRS_E300 | CPU_FTRS_E300C2 |
505 #endif
506 #ifdef CONFIG_PPC_8xx
507 CPU_FTRS_8XX |
508 #endif
509 #ifdef CONFIG_PPC_47x
510 CPU_FTRS_47X | CPU_FTR_476_DD2 |
511 #elif defined(CONFIG_44x)
512 CPU_FTRS_44X | CPU_FTRS_440x6 |
513 #endif
514 #ifdef CONFIG_PPC_E500
515 CPU_FTRS_E500 | CPU_FTRS_E500_2 |
516 #endif
517 #ifdef CONFIG_PPC_E500MC
518 CPU_FTRS_E500MC | CPU_FTRS_E5500 | CPU_FTRS_E6500 |
519 #endif
520 0,
521 };
522 #endif /* __powerpc64__ */
523
524 #ifdef CONFIG_PPC64
525 #ifdef CONFIG_PPC_BOOK3E_64
526 #define CPU_FTRS_ALWAYS (CPU_FTRS_E6500 & CPU_FTRS_E5500)
527 #else
528
529 #ifdef CONFIG_PPC_DT_CPU_FTRS
530 #define CPU_FTRS_DT_CPU_BASE \
531 (CPU_FTR_LWSYNC | \
532 CPU_FTR_FPU_UNAVAILABLE | \
533 CPU_FTR_NOEXECUTE | \
534 CPU_FTR_COHERENT_ICACHE | \
535 CPU_FTR_STCX_CHECKS_ADDRESS | \
536 CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
537 CPU_FTR_DAWR | \
538 CPU_FTR_ARCH_206 | \
539 CPU_FTR_ARCH_207S)
540 #else
541 #define CPU_FTRS_DT_CPU_BASE (~0ul)
542 #endif
543
544 /* pseries may disable DBELL with ibm,pi-features */
545 #ifdef CONFIG_CPU_LITTLE_ENDIAN
546 #define CPU_FTRS_ALWAYS \
547 (CPU_FTRS_POSSIBLE & ~CPU_FTR_HVMODE & ~CPU_FTR_DBELL & \
548 CPU_FTRS_POWER7 & CPU_FTRS_POWER8E & CPU_FTRS_POWER8 & \
549 CPU_FTRS_POWER9 & CPU_FTRS_POWER9_DD2_1 & CPU_FTRS_POWER9_DD2_2 & \
550 CPU_FTRS_POWER10 & CPU_FTRS_DT_CPU_BASE)
551 #else
552 #define CPU_FTRS_ALWAYS \
553 (CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & \
554 CPU_FTRS_POWER6 & CPU_FTRS_POWER7 & CPU_FTRS_CELL & \
555 CPU_FTRS_PA6T & CPU_FTRS_POWER8 & CPU_FTRS_POWER8E & \
556 ~CPU_FTR_HVMODE & ~CPU_FTR_DBELL & CPU_FTRS_POSSIBLE & \
557 CPU_FTRS_POWER9 & CPU_FTRS_POWER9_DD2_1 & CPU_FTRS_POWER9_DD2_2 & \
558 CPU_FTRS_POWER10 & CPU_FTRS_DT_CPU_BASE)
559 #endif /* CONFIG_CPU_LITTLE_ENDIAN */
560 #endif
561 #else
562 enum {
563 CPU_FTRS_ALWAYS =
564 #ifdef CONFIG_PPC_BOOK3S_604
565 CPU_FTRS_604 & CPU_FTRS_740_NOTAU &
566 CPU_FTRS_740 & CPU_FTRS_750 & CPU_FTRS_750FX1 &
567 CPU_FTRS_750FX2 & CPU_FTRS_750FX & CPU_FTRS_750GX &
568 CPU_FTRS_7400_NOTAU & CPU_FTRS_7400 & CPU_FTRS_7450_20 &
569 CPU_FTRS_7450_21 & CPU_FTRS_7450_23 & CPU_FTRS_7455_1 &
570 CPU_FTRS_7455_20 & CPU_FTRS_7455 & CPU_FTRS_7447_10 &
571 CPU_FTRS_7447 & CPU_FTRS_7447A &
572 CPU_FTRS_CLASSIC32 &
573 #endif
574 #ifdef CONFIG_PPC_BOOK3S_603
575 CPU_FTRS_603 & CPU_FTRS_82XX &
576 CPU_FTRS_G2_LE & CPU_FTRS_E300 & CPU_FTRS_E300C2 &
577 #endif
578 #ifdef CONFIG_PPC_8xx
579 CPU_FTRS_8XX &
580 #endif
581 #ifdef CONFIG_PPC_47x
582 CPU_FTRS_47X &
583 #elif defined(CONFIG_44x)
584 CPU_FTRS_44X & CPU_FTRS_440x6 &
585 #endif
586 #ifdef CONFIG_PPC_E500
587 CPU_FTRS_E500 & CPU_FTRS_E500_2 &
588 #endif
589 #ifdef CONFIG_PPC_E500MC
590 CPU_FTRS_E500MC & CPU_FTRS_E5500 & CPU_FTRS_E6500 &
591 #endif
592 ~CPU_FTR_EMB_HV & /* can be removed at runtime */
593 CPU_FTRS_POSSIBLE,
594 };
595 #endif /* __powerpc64__ */
596
597 /*
598 * Maximum number of hw breakpoint supported on powerpc. Number of
599 * breakpoints supported by actual hw might be less than this, which
600 * is decided at run time in nr_wp_slots().
601 */
602 #define HBP_NUM_MAX 2
603
604 #endif /* !__ASSEMBLY__ */
605
606 #endif /* __ASM_POWERPC_CPUTABLE_H */
607
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