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 /* Used by oprofile userspace to select the right counters */
74 char *oprofile_cpu_type;
75
76 /* Name of processor class, for the ELF AT_PLATFORM entry */
77 char *platform;
78
79 /* Processor specific machine check handling. Return negative
80 * if the error is fatal, 1 if it was fully recovered and 0 to
81 * pass up (not CPU originated) */
82 int (*machine_check)(struct pt_regs *regs);
83
84 /*
85 * Processor specific early machine check handler which is
86 * called in real mode to handle SLB and TLB errors.
87 */
88 long (*machine_check_early)(struct pt_regs *regs);
89 };
90
91 extern struct cpu_spec *cur_cpu_spec;
92
93 extern unsigned int __start___ftr_fixup, __stop___ftr_fixup;
94
95 extern void set_cur_cpu_spec(struct cpu_spec *s);
96 extern struct cpu_spec *identify_cpu(unsigned long offset, unsigned int pvr);
97 extern void identify_cpu_name(unsigned int pvr);
98 extern void do_feature_fixups(unsigned long value, void *fixup_start,
99 void *fixup_end);
100
101 extern const char *powerpc_base_platform;
102
103 #ifdef CONFIG_JUMP_LABEL_FEATURE_CHECKS
104 extern void cpu_feature_keys_init(void);
105 #else
cpu_feature_keys_init(void)106 static inline void cpu_feature_keys_init(void) { }
107 #endif
108
109 #endif /* __ASSEMBLY__ */
110
111 /* CPU kernel features */
112
113 /* Definitions for features that we have on both 32-bit and 64-bit chips */
114 #define CPU_FTR_COHERENT_ICACHE ASM_CONST(0x00000001)
115 #define CPU_FTR_ALTIVEC ASM_CONST(0x00000002)
116 #define CPU_FTR_DBELL ASM_CONST(0x00000004)
117 #define CPU_FTR_CAN_NAP ASM_CONST(0x00000008)
118 #define CPU_FTR_DEBUG_LVL_EXC ASM_CONST(0x00000010)
119 // ASM_CONST(0x00000020) Free
120 #define CPU_FTR_FPU_UNAVAILABLE ASM_CONST(0x00000040)
121 #define CPU_FTR_LWSYNC ASM_CONST(0x00000080)
122 #define CPU_FTR_NOEXECUTE ASM_CONST(0x00000100)
123 #define CPU_FTR_EMB_HV ASM_CONST(0x00000200)
124
125 /* Definitions for features that only exist on 32-bit chips */
126 #ifdef CONFIG_PPC32
127 #define CPU_FTR_L2CR ASM_CONST(0x00002000)
128 #define CPU_FTR_SPEC7450 ASM_CONST(0x00004000)
129 #define CPU_FTR_TAU ASM_CONST(0x00008000)
130 #define CPU_FTR_CAN_DOZE ASM_CONST(0x00010000)
131 #define CPU_FTR_L3CR ASM_CONST(0x00040000)
132 #define CPU_FTR_L3_DISABLE_NAP ASM_CONST(0x00080000)
133 #define CPU_FTR_NAP_DISABLE_L2_PR ASM_CONST(0x00100000)
134 #define CPU_FTR_DUAL_PLL_750FX ASM_CONST(0x00200000)
135 #define CPU_FTR_NO_DPM ASM_CONST(0x00400000)
136 #define CPU_FTR_476_DD2 ASM_CONST(0x00800000)
137 #define CPU_FTR_NEED_COHERENT ASM_CONST(0x01000000)
138 #define CPU_FTR_NO_BTIC ASM_CONST(0x02000000)
139 #define CPU_FTR_PPC_LE ASM_CONST(0x04000000)
140 #define CPU_FTR_SPE ASM_CONST(0x10000000)
141 #define CPU_FTR_NEED_PAIRED_STWCX ASM_CONST(0x20000000)
142 #define CPU_FTR_INDEXED_DCR ASM_CONST(0x40000000)
143
144 #else /* CONFIG_PPC32 */
145 /* Define these to 0 for the sake of tests in common code */
146 #define CPU_FTR_PPC_LE (0)
147 #define CPU_FTR_SPE (0)
148 #endif
149
150 /*
151 * Definitions for the 64-bit processor unique features;
152 * on 32-bit, make the names available but defined to be 0.
153 */
154 #ifdef __powerpc64__
155 #define LONG_ASM_CONST(x) ASM_CONST(x)
156 #else
157 #define LONG_ASM_CONST(x) 0
158 #endif
159
160 #define CPU_FTR_REAL_LE LONG_ASM_CONST(0x0000000000001000)
161 #define CPU_FTR_HVMODE LONG_ASM_CONST(0x0000000000002000)
162 #define CPU_FTR_ARCH_206 LONG_ASM_CONST(0x0000000000008000)
163 #define CPU_FTR_ARCH_207S LONG_ASM_CONST(0x0000000000010000)
164 #define CPU_FTR_ARCH_300 LONG_ASM_CONST(0x0000000000020000)
165 #define CPU_FTR_MMCRA LONG_ASM_CONST(0x0000000000040000)
166 #define CPU_FTR_CTRL LONG_ASM_CONST(0x0000000000080000)
167 #define CPU_FTR_SMT LONG_ASM_CONST(0x0000000000100000)
168 #define CPU_FTR_PAUSE_ZERO LONG_ASM_CONST(0x0000000000200000)
169 #define CPU_FTR_PURR LONG_ASM_CONST(0x0000000000400000)
170 #define CPU_FTR_CELL_TB_BUG LONG_ASM_CONST(0x0000000000800000)
171 #define CPU_FTR_SPURR LONG_ASM_CONST(0x0000000001000000)
172 #define CPU_FTR_DSCR LONG_ASM_CONST(0x0000000002000000)
173 #define CPU_FTR_VSX LONG_ASM_CONST(0x0000000004000000)
174 #define CPU_FTR_SAO LONG_ASM_CONST(0x0000000008000000)
175 #define CPU_FTR_CP_USE_DCBTZ LONG_ASM_CONST(0x0000000010000000)
176 #define CPU_FTR_UNALIGNED_LD_STD LONG_ASM_CONST(0x0000000020000000)
177 #define CPU_FTR_ASYM_SMT LONG_ASM_CONST(0x0000000040000000)
178 #define CPU_FTR_STCX_CHECKS_ADDRESS LONG_ASM_CONST(0x0000000080000000)
179 #define CPU_FTR_POPCNTB LONG_ASM_CONST(0x0000000100000000)
180 #define CPU_FTR_POPCNTD LONG_ASM_CONST(0x0000000200000000)
181 /* LONG_ASM_CONST(0x0000000400000000) Free */
182 #define CPU_FTR_VMX_COPY LONG_ASM_CONST(0x0000000800000000)
183 #define CPU_FTR_TM LONG_ASM_CONST(0x0000001000000000)
184 #define CPU_FTR_CFAR LONG_ASM_CONST(0x0000002000000000)
185 #define CPU_FTR_HAS_PPR LONG_ASM_CONST(0x0000004000000000)
186 #define CPU_FTR_DAWR LONG_ASM_CONST(0x0000008000000000)
187 #define CPU_FTR_DABRX LONG_ASM_CONST(0x0000010000000000)
188 #define CPU_FTR_PMAO_BUG LONG_ASM_CONST(0x0000020000000000)
189 #define CPU_FTR_POWER9_DD2_1 LONG_ASM_CONST(0x0000080000000000)
190 #define CPU_FTR_P9_TM_HV_ASSIST LONG_ASM_CONST(0x0000100000000000)
191 #define CPU_FTR_P9_TM_XER_SO_BUG LONG_ASM_CONST(0x0000200000000000)
192 #define CPU_FTR_P9_TLBIE_STQ_BUG LONG_ASM_CONST(0x0000400000000000)
193 #define CPU_FTR_P9_TIDR LONG_ASM_CONST(0x0000800000000000)
194 #define CPU_FTR_P9_TLBIE_ERAT_BUG LONG_ASM_CONST(0x0001000000000000)
195 #define CPU_FTR_P9_RADIX_PREFETCH_BUG LONG_ASM_CONST(0x0002000000000000)
196 #define CPU_FTR_ARCH_31 LONG_ASM_CONST(0x0004000000000000)
197 #define CPU_FTR_DAWR1 LONG_ASM_CONST(0x0008000000000000)
198
199 #ifndef __ASSEMBLY__
200
201 #define CPU_FTR_PPCAS_ARCH_V2 (CPU_FTR_NOEXECUTE)
202
203 /* We only set the altivec features if the kernel was compiled with altivec
204 * support
205 */
206 #ifdef CONFIG_ALTIVEC
207 #define CPU_FTR_ALTIVEC_COMP CPU_FTR_ALTIVEC
208 #define PPC_FEATURE_HAS_ALTIVEC_COMP PPC_FEATURE_HAS_ALTIVEC
209 #else
210 #define CPU_FTR_ALTIVEC_COMP 0
211 #define PPC_FEATURE_HAS_ALTIVEC_COMP 0
212 #endif
213
214 /* We only set the VSX features if the kernel was compiled with VSX
215 * support
216 */
217 #ifdef CONFIG_VSX
218 #define CPU_FTR_VSX_COMP CPU_FTR_VSX
219 #define PPC_FEATURE_HAS_VSX_COMP PPC_FEATURE_HAS_VSX
220 #else
221 #define CPU_FTR_VSX_COMP 0
222 #define PPC_FEATURE_HAS_VSX_COMP 0
223 #endif
224
225 /* We only set the spe features if the kernel was compiled with spe
226 * support
227 */
228 #ifdef CONFIG_SPE
229 #define CPU_FTR_SPE_COMP CPU_FTR_SPE
230 #define PPC_FEATURE_HAS_SPE_COMP PPC_FEATURE_HAS_SPE
231 #define PPC_FEATURE_HAS_EFP_SINGLE_COMP PPC_FEATURE_HAS_EFP_SINGLE
232 #define PPC_FEATURE_HAS_EFP_DOUBLE_COMP PPC_FEATURE_HAS_EFP_DOUBLE
233 #else
234 #define CPU_FTR_SPE_COMP 0
235 #define PPC_FEATURE_HAS_SPE_COMP 0
236 #define PPC_FEATURE_HAS_EFP_SINGLE_COMP 0
237 #define PPC_FEATURE_HAS_EFP_DOUBLE_COMP 0
238 #endif
239
240 /* We only set the TM feature if the kernel was compiled with TM supprt */
241 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM
242 #define CPU_FTR_TM_COMP CPU_FTR_TM
243 #define PPC_FEATURE2_HTM_COMP PPC_FEATURE2_HTM
244 #define PPC_FEATURE2_HTM_NOSC_COMP PPC_FEATURE2_HTM_NOSC
245 #else
246 #define CPU_FTR_TM_COMP 0
247 #define PPC_FEATURE2_HTM_COMP 0
248 #define PPC_FEATURE2_HTM_NOSC_COMP 0
249 #endif
250
251 /* We need to mark all pages as being coherent if we're SMP or we have a
252 * 74[45]x and an MPC107 host bridge. Also 83xx and PowerQUICC II
253 * require it for PCI "streaming/prefetch" to work properly.
254 * This is also required by 52xx family.
255 */
256 #if defined(CONFIG_SMP) || defined(CONFIG_MPC10X_BRIDGE) \
257 || defined(CONFIG_PPC_83xx) || defined(CONFIG_8260) \
258 || defined(CONFIG_PPC_MPC52xx)
259 #define CPU_FTR_COMMON CPU_FTR_NEED_COHERENT
260 #else
261 #define CPU_FTR_COMMON 0
262 #endif
263
264 /* The powersave features NAP & DOZE seems to confuse BDI when
265 debugging. So if a BDI is used, disable theses
266 */
267 #ifndef CONFIG_BDI_SWITCH
268 #define CPU_FTR_MAYBE_CAN_DOZE CPU_FTR_CAN_DOZE
269 #define CPU_FTR_MAYBE_CAN_NAP CPU_FTR_CAN_NAP
270 #else
271 #define CPU_FTR_MAYBE_CAN_DOZE 0
272 #define CPU_FTR_MAYBE_CAN_NAP 0
273 #endif
274
275 #define CPU_FTRS_603 (CPU_FTR_COMMON | CPU_FTR_MAYBE_CAN_DOZE | \
276 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE | CPU_FTR_NOEXECUTE)
277 #define CPU_FTRS_604 (CPU_FTR_COMMON | CPU_FTR_PPC_LE)
278 #define CPU_FTRS_740_NOTAU (CPU_FTR_COMMON | \
279 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \
280 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
281 #define CPU_FTRS_740 (CPU_FTR_COMMON | \
282 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \
283 CPU_FTR_TAU | CPU_FTR_MAYBE_CAN_NAP | \
284 CPU_FTR_PPC_LE)
285 #define CPU_FTRS_750 (CPU_FTR_COMMON | \
286 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \
287 CPU_FTR_TAU | CPU_FTR_MAYBE_CAN_NAP | \
288 CPU_FTR_PPC_LE)
289 #define CPU_FTRS_750CL (CPU_FTRS_750)
290 #define CPU_FTRS_750FX1 (CPU_FTRS_750 | CPU_FTR_DUAL_PLL_750FX | CPU_FTR_NO_DPM)
291 #define CPU_FTRS_750FX2 (CPU_FTRS_750 | CPU_FTR_NO_DPM)
292 #define CPU_FTRS_750FX (CPU_FTRS_750 | CPU_FTR_DUAL_PLL_750FX)
293 #define CPU_FTRS_750GX (CPU_FTRS_750FX)
294 #define CPU_FTRS_7400_NOTAU (CPU_FTR_COMMON | \
295 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \
296 CPU_FTR_ALTIVEC_COMP | \
297 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
298 #define CPU_FTRS_7400 (CPU_FTR_COMMON | \
299 CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \
300 CPU_FTR_TAU | CPU_FTR_ALTIVEC_COMP | \
301 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
302 #define CPU_FTRS_7450_20 (CPU_FTR_COMMON | \
303 CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
304 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \
305 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
306 #define CPU_FTRS_7450_21 (CPU_FTR_COMMON | \
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_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_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_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_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
328 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
329 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
330 #define CPU_FTRS_7447_10 (CPU_FTR_COMMON | \
331 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
332 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
333 CPU_FTR_NEED_COHERENT | CPU_FTR_NO_BTIC | CPU_FTR_PPC_LE | \
334 CPU_FTR_NEED_PAIRED_STWCX)
335 #define CPU_FTRS_7447 (CPU_FTR_COMMON | \
336 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
337 CPU_FTR_L3CR | CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
338 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
339 #define CPU_FTRS_7447A (CPU_FTR_COMMON | \
340 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
341 CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
342 CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
343 #define CPU_FTRS_7448 (CPU_FTR_COMMON | \
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_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
347 #define CPU_FTRS_82XX (CPU_FTR_COMMON | CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_NOEXECUTE)
348 #define CPU_FTRS_G2_LE (CPU_FTR_COMMON | CPU_FTR_MAYBE_CAN_DOZE | \
349 CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_NOEXECUTE)
350 #define CPU_FTRS_E300 (CPU_FTR_MAYBE_CAN_DOZE | \
351 CPU_FTR_MAYBE_CAN_NAP | \
352 CPU_FTR_COMMON | CPU_FTR_NOEXECUTE)
353 #define CPU_FTRS_E300C2 (CPU_FTR_MAYBE_CAN_DOZE | \
354 CPU_FTR_MAYBE_CAN_NAP | \
355 CPU_FTR_COMMON | CPU_FTR_FPU_UNAVAILABLE | CPU_FTR_NOEXECUTE)
356 #define CPU_FTRS_CLASSIC32 (CPU_FTR_COMMON)
357 #define CPU_FTRS_8XX (CPU_FTR_NOEXECUTE)
358 #define CPU_FTRS_40X (CPU_FTR_NOEXECUTE)
359 #define CPU_FTRS_44X (CPU_FTR_NOEXECUTE)
360 #define CPU_FTRS_440x6 (CPU_FTR_NOEXECUTE | \
361 CPU_FTR_INDEXED_DCR)
362 #define CPU_FTRS_47X (CPU_FTRS_440x6)
363 #define CPU_FTRS_E500 (CPU_FTR_MAYBE_CAN_DOZE | \
364 CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | \
365 CPU_FTR_NOEXECUTE)
366 #define CPU_FTRS_E500_2 (CPU_FTR_MAYBE_CAN_DOZE | \
367 CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | \
368 CPU_FTR_NOEXECUTE)
369 #define CPU_FTRS_E500MC ( \
370 CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \
371 CPU_FTR_DBELL | CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV)
372 /*
373 * e5500/e6500 erratum A-006958 is a timebase bug that can use the
374 * same workaround as CPU_FTR_CELL_TB_BUG.
375 */
376 #define CPU_FTRS_E5500 ( \
377 CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \
378 CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
379 CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV | CPU_FTR_CELL_TB_BUG)
380 #define CPU_FTRS_E6500 ( \
381 CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \
382 CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
383 CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV | CPU_FTR_ALTIVEC_COMP | \
384 CPU_FTR_CELL_TB_BUG | CPU_FTR_SMT)
385
386 /* 64-bit CPUs */
387 #define CPU_FTRS_PPC970 (CPU_FTR_LWSYNC | \
388 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
389 CPU_FTR_ALTIVEC_COMP | CPU_FTR_CAN_NAP | CPU_FTR_MMCRA | \
390 CPU_FTR_CP_USE_DCBTZ | CPU_FTR_STCX_CHECKS_ADDRESS | \
391 CPU_FTR_HVMODE | CPU_FTR_DABRX)
392 #define CPU_FTRS_POWER5 (CPU_FTR_LWSYNC | \
393 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
394 CPU_FTR_MMCRA | CPU_FTR_SMT | \
395 CPU_FTR_COHERENT_ICACHE | CPU_FTR_PURR | \
396 CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_DABRX)
397 #define CPU_FTRS_POWER6 (CPU_FTR_LWSYNC | \
398 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
399 CPU_FTR_MMCRA | CPU_FTR_SMT | \
400 CPU_FTR_COHERENT_ICACHE | \
401 CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
402 CPU_FTR_DSCR | CPU_FTR_UNALIGNED_LD_STD | \
403 CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_CFAR | \
404 CPU_FTR_DABRX)
405 #define CPU_FTRS_POWER7 (CPU_FTR_LWSYNC | \
406 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
407 CPU_FTR_MMCRA | CPU_FTR_SMT | \
408 CPU_FTR_COHERENT_ICACHE | \
409 CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
410 CPU_FTR_DSCR | CPU_FTR_SAO | CPU_FTR_ASYM_SMT | \
411 CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
412 CPU_FTR_CFAR | CPU_FTR_HVMODE | \
413 CPU_FTR_VMX_COPY | CPU_FTR_HAS_PPR | CPU_FTR_DABRX )
414 #define CPU_FTRS_POWER8 (CPU_FTR_LWSYNC | \
415 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
416 CPU_FTR_MMCRA | CPU_FTR_SMT | \
417 CPU_FTR_COHERENT_ICACHE | \
418 CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
419 CPU_FTR_DSCR | CPU_FTR_SAO | \
420 CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
421 CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \
422 CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_DAWR | \
423 CPU_FTR_ARCH_207S | CPU_FTR_TM_COMP )
424 #define CPU_FTRS_POWER8E (CPU_FTRS_POWER8 | CPU_FTR_PMAO_BUG)
425 #define CPU_FTRS_POWER9 (CPU_FTR_LWSYNC | \
426 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
427 CPU_FTR_MMCRA | CPU_FTR_SMT | \
428 CPU_FTR_COHERENT_ICACHE | \
429 CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
430 CPU_FTR_DSCR | CPU_FTR_SAO | \
431 CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
432 CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \
433 CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_ARCH_207S | \
434 CPU_FTR_TM_COMP | CPU_FTR_ARCH_300 | CPU_FTR_P9_TLBIE_STQ_BUG | \
435 CPU_FTR_P9_TLBIE_ERAT_BUG | CPU_FTR_P9_TIDR)
436 #define CPU_FTRS_POWER9_DD2_0 (CPU_FTRS_POWER9 | CPU_FTR_P9_RADIX_PREFETCH_BUG)
437 #define CPU_FTRS_POWER9_DD2_1 (CPU_FTRS_POWER9 | \
438 CPU_FTR_P9_RADIX_PREFETCH_BUG | \
439 CPU_FTR_POWER9_DD2_1)
440 #define CPU_FTRS_POWER9_DD2_2 (CPU_FTRS_POWER9 | CPU_FTR_POWER9_DD2_1 | \
441 CPU_FTR_P9_TM_HV_ASSIST | \
442 CPU_FTR_P9_TM_XER_SO_BUG)
443 #define CPU_FTRS_POWER10 (CPU_FTR_LWSYNC | \
444 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
445 CPU_FTR_MMCRA | CPU_FTR_SMT | \
446 CPU_FTR_COHERENT_ICACHE | \
447 CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
448 CPU_FTR_DSCR | CPU_FTR_SAO | \
449 CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
450 CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \
451 CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_ARCH_207S | \
452 CPU_FTR_ARCH_300 | CPU_FTR_ARCH_31 | \
453 CPU_FTR_DAWR | CPU_FTR_DAWR1)
454 #define CPU_FTRS_CELL (CPU_FTR_LWSYNC | \
455 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
456 CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \
457 CPU_FTR_PAUSE_ZERO | CPU_FTR_CELL_TB_BUG | CPU_FTR_CP_USE_DCBTZ | \
458 CPU_FTR_UNALIGNED_LD_STD | CPU_FTR_DABRX)
459 #define CPU_FTRS_PA6T (CPU_FTR_LWSYNC | \
460 CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_ALTIVEC_COMP | \
461 CPU_FTR_PURR | CPU_FTR_REAL_LE | CPU_FTR_DABRX)
462 #define CPU_FTRS_COMPATIBLE (CPU_FTR_PPCAS_ARCH_V2)
463
464 #ifdef CONFIG_PPC64
465 #ifdef CONFIG_PPC_BOOK3E
466 #define CPU_FTRS_POSSIBLE (CPU_FTRS_E6500 | CPU_FTRS_E5500)
467 #else
468 #ifdef CONFIG_CPU_LITTLE_ENDIAN
469 #define CPU_FTRS_POSSIBLE \
470 (CPU_FTRS_POWER7 | CPU_FTRS_POWER8E | CPU_FTRS_POWER8 | \
471 CPU_FTR_ALTIVEC_COMP | CPU_FTR_VSX_COMP | CPU_FTRS_POWER9 | \
472 CPU_FTRS_POWER9_DD2_1 | CPU_FTRS_POWER9_DD2_2 | CPU_FTRS_POWER10)
473 #else
474 #define CPU_FTRS_POSSIBLE \
475 (CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | \
476 CPU_FTRS_POWER6 | CPU_FTRS_POWER7 | CPU_FTRS_POWER8E | \
477 CPU_FTRS_POWER8 | CPU_FTRS_CELL | CPU_FTRS_PA6T | \
478 CPU_FTR_VSX_COMP | CPU_FTR_ALTIVEC_COMP | CPU_FTRS_POWER9 | \
479 CPU_FTRS_POWER9_DD2_1 | CPU_FTRS_POWER9_DD2_2 | CPU_FTRS_POWER10)
480 #endif /* CONFIG_CPU_LITTLE_ENDIAN */
481 #endif
482 #else
483 enum {
484 CPU_FTRS_POSSIBLE =
485 #ifdef CONFIG_PPC_BOOK3S_604
486 CPU_FTRS_604 | CPU_FTRS_740_NOTAU |
487 CPU_FTRS_740 | CPU_FTRS_750 | CPU_FTRS_750FX1 |
488 CPU_FTRS_750FX2 | CPU_FTRS_750FX | CPU_FTRS_750GX |
489 CPU_FTRS_7400_NOTAU | CPU_FTRS_7400 | CPU_FTRS_7450_20 |
490 CPU_FTRS_7450_21 | CPU_FTRS_7450_23 | CPU_FTRS_7455_1 |
491 CPU_FTRS_7455_20 | CPU_FTRS_7455 | CPU_FTRS_7447_10 |
492 CPU_FTRS_7447 | CPU_FTRS_7447A |
493 CPU_FTRS_CLASSIC32 |
494 #endif
495 #ifdef CONFIG_PPC_BOOK3S_603
496 CPU_FTRS_603 | CPU_FTRS_82XX |
497 CPU_FTRS_G2_LE | CPU_FTRS_E300 | CPU_FTRS_E300C2 |
498 #endif
499 #ifdef CONFIG_PPC_8xx
500 CPU_FTRS_8XX |
501 #endif
502 #ifdef CONFIG_40x
503 CPU_FTRS_40X |
504 #endif
505 #ifdef CONFIG_PPC_47x
506 CPU_FTRS_47X | CPU_FTR_476_DD2 |
507 #elif defined(CONFIG_44x)
508 CPU_FTRS_44X | CPU_FTRS_440x6 |
509 #endif
510 #ifdef CONFIG_E500
511 CPU_FTRS_E500 | CPU_FTRS_E500_2 |
512 #endif
513 #ifdef CONFIG_PPC_E500MC
514 CPU_FTRS_E500MC | CPU_FTRS_E5500 | CPU_FTRS_E6500 |
515 #endif
516 0,
517 };
518 #endif /* __powerpc64__ */
519
520 #ifdef CONFIG_PPC64
521 #ifdef CONFIG_PPC_BOOK3E
522 #define CPU_FTRS_ALWAYS (CPU_FTRS_E6500 & CPU_FTRS_E5500)
523 #else
524
525 #ifdef CONFIG_PPC_DT_CPU_FTRS
526 #define CPU_FTRS_DT_CPU_BASE \
527 (CPU_FTR_LWSYNC | \
528 CPU_FTR_FPU_UNAVAILABLE | \
529 CPU_FTR_NOEXECUTE | \
530 CPU_FTR_COHERENT_ICACHE | \
531 CPU_FTR_STCX_CHECKS_ADDRESS | \
532 CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
533 CPU_FTR_DAWR | \
534 CPU_FTR_ARCH_206 | \
535 CPU_FTR_ARCH_207S)
536 #else
537 #define CPU_FTRS_DT_CPU_BASE (~0ul)
538 #endif
539
540 #ifdef CONFIG_CPU_LITTLE_ENDIAN
541 #define CPU_FTRS_ALWAYS \
542 (CPU_FTRS_POSSIBLE & ~CPU_FTR_HVMODE & CPU_FTRS_POWER7 & \
543 CPU_FTRS_POWER8E & CPU_FTRS_POWER8 & CPU_FTRS_POWER9 & \
544 CPU_FTRS_POWER9_DD2_1 & CPU_FTRS_DT_CPU_BASE)
545 #else
546 #define CPU_FTRS_ALWAYS \
547 (CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & \
548 CPU_FTRS_POWER6 & CPU_FTRS_POWER7 & CPU_FTRS_CELL & \
549 CPU_FTRS_PA6T & CPU_FTRS_POWER8 & CPU_FTRS_POWER8E & \
550 ~CPU_FTR_HVMODE & CPU_FTRS_POSSIBLE & CPU_FTRS_POWER9 & \
551 CPU_FTRS_POWER9_DD2_1 & CPU_FTRS_DT_CPU_BASE)
552 #endif /* CONFIG_CPU_LITTLE_ENDIAN */
553 #endif
554 #else
555 enum {
556 CPU_FTRS_ALWAYS =
557 #ifdef CONFIG_PPC_BOOK3S_604
558 CPU_FTRS_604 & CPU_FTRS_740_NOTAU &
559 CPU_FTRS_740 & CPU_FTRS_750 & CPU_FTRS_750FX1 &
560 CPU_FTRS_750FX2 & CPU_FTRS_750FX & CPU_FTRS_750GX &
561 CPU_FTRS_7400_NOTAU & CPU_FTRS_7400 & CPU_FTRS_7450_20 &
562 CPU_FTRS_7450_21 & CPU_FTRS_7450_23 & CPU_FTRS_7455_1 &
563 CPU_FTRS_7455_20 & CPU_FTRS_7455 & CPU_FTRS_7447_10 &
564 CPU_FTRS_7447 & CPU_FTRS_7447A &
565 CPU_FTRS_CLASSIC32 &
566 #endif
567 #ifdef CONFIG_PPC_BOOK3S_603
568 CPU_FTRS_603 & CPU_FTRS_82XX &
569 CPU_FTRS_G2_LE & CPU_FTRS_E300 & CPU_FTRS_E300C2 &
570 #endif
571 #ifdef CONFIG_PPC_8xx
572 CPU_FTRS_8XX &
573 #endif
574 #ifdef CONFIG_40x
575 CPU_FTRS_40X &
576 #endif
577 #ifdef CONFIG_PPC_47x
578 CPU_FTRS_47X &
579 #elif defined(CONFIG_44x)
580 CPU_FTRS_44X & CPU_FTRS_440x6 &
581 #endif
582 #ifdef CONFIG_E500
583 CPU_FTRS_E500 & CPU_FTRS_E500_2 &
584 #endif
585 #ifdef CONFIG_PPC_E500MC
586 CPU_FTRS_E500MC & CPU_FTRS_E5500 & CPU_FTRS_E6500 &
587 #endif
588 ~CPU_FTR_EMB_HV & /* can be removed at runtime */
589 CPU_FTRS_POSSIBLE,
590 };
591 #endif /* __powerpc64__ */
592
593 /*
594 * Maximum number of hw breakpoint supported on powerpc. Number of
595 * breakpoints supported by actual hw might be less than this, which
596 * is decided at run time in nr_wp_slots().
597 */
598 #define HBP_NUM_MAX 2
599
600 #endif /* !__ASSEMBLY__ */
601
602 #endif /* __ASM_POWERPC_CPUTABLE_H */
603