powerpc/watchpoint: Return available watchpoints dynamically
[linux-2.6-microblaze.git] / arch / powerpc / include / asm / cputable.h
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_oprofile_type {
21         PPC_OPROFILE_INVALID = 0,
22         PPC_OPROFILE_RS64 = 1,
23         PPC_OPROFILE_POWER4 = 2,
24         PPC_OPROFILE_G4 = 3,
25         PPC_OPROFILE_FSL_EMB = 4,
26         PPC_OPROFILE_CELL = 5,
27         PPC_OPROFILE_PA6T = 6,
28 };
29
30 enum powerpc_pmc_type {
31         PPC_PMC_DEFAULT = 0,
32         PPC_PMC_IBM = 1,
33         PPC_PMC_PA6T = 2,
34         PPC_PMC_G4 = 3,
35 };
36
37 struct pt_regs;
38
39 extern int machine_check_generic(struct pt_regs *regs);
40 extern int machine_check_4xx(struct pt_regs *regs);
41 extern int machine_check_440A(struct pt_regs *regs);
42 extern int machine_check_e500mc(struct pt_regs *regs);
43 extern int machine_check_e500(struct pt_regs *regs);
44 extern int machine_check_e200(struct pt_regs *regs);
45 extern int machine_check_47x(struct pt_regs *regs);
46 int machine_check_8xx(struct pt_regs *regs);
47 int machine_check_83xx(struct pt_regs *regs);
48
49 extern void cpu_down_flush_e500v2(void);
50 extern void cpu_down_flush_e500mc(void);
51 extern void cpu_down_flush_e5500(void);
52 extern void cpu_down_flush_e6500(void);
53
54 /* NOTE WELL: Update identify_cpu() if fields are added or removed! */
55 struct cpu_spec {
56         /* CPU is matched via (PVR & pvr_mask) == pvr_value */
57         unsigned int    pvr_mask;
58         unsigned int    pvr_value;
59
60         char            *cpu_name;
61         unsigned long   cpu_features;           /* Kernel features */
62         unsigned int    cpu_user_features;      /* Userland features */
63         unsigned int    cpu_user_features2;     /* Userland features v2 */
64         unsigned int    mmu_features;           /* MMU features */
65
66         /* cache line sizes */
67         unsigned int    icache_bsize;
68         unsigned int    dcache_bsize;
69
70         /* flush caches inside the current cpu */
71         void (*cpu_down_flush)(void);
72
73         /* number of performance monitor counters */
74         unsigned int    num_pmcs;
75         enum powerpc_pmc_type pmc_type;
76
77         /* this is called to initialize various CPU bits like L1 cache,
78          * BHT, SPD, etc... from head.S before branching to identify_machine
79          */
80         cpu_setup_t     cpu_setup;
81         /* Used to restore cpu setup on secondary processors and at resume */
82         cpu_restore_t   cpu_restore;
83
84         /* Used by oprofile userspace to select the right counters */
85         char            *oprofile_cpu_type;
86
87         /* Processor specific oprofile operations */
88         enum powerpc_oprofile_type oprofile_type;
89
90         /* Bit locations inside the mmcra change */
91         unsigned long   oprofile_mmcra_sihv;
92         unsigned long   oprofile_mmcra_sipr;
93
94         /* Bits to clear during an oprofile exception */
95         unsigned long   oprofile_mmcra_clear;
96
97         /* Name of processor class, for the ELF AT_PLATFORM entry */
98         char            *platform;
99
100         /* Processor specific machine check handling. Return negative
101          * if the error is fatal, 1 if it was fully recovered and 0 to
102          * pass up (not CPU originated) */
103         int             (*machine_check)(struct pt_regs *regs);
104
105         /*
106          * Processor specific early machine check handler which is
107          * called in real mode to handle SLB and TLB errors.
108          */
109         long            (*machine_check_early)(struct pt_regs *regs);
110 };
111
112 extern struct cpu_spec          *cur_cpu_spec;
113
114 extern unsigned int __start___ftr_fixup, __stop___ftr_fixup;
115
116 extern void set_cur_cpu_spec(struct cpu_spec *s);
117 extern struct cpu_spec *identify_cpu(unsigned long offset, unsigned int pvr);
118 extern void identify_cpu_name(unsigned int pvr);
119 extern void do_feature_fixups(unsigned long value, void *fixup_start,
120                               void *fixup_end);
121
122 extern const char *powerpc_base_platform;
123
124 #ifdef CONFIG_JUMP_LABEL_FEATURE_CHECKS
125 extern void cpu_feature_keys_init(void);
126 #else
127 static inline void cpu_feature_keys_init(void) { }
128 #endif
129
130 #endif /* __ASSEMBLY__ */
131
132 /* CPU kernel features */
133
134 /* Definitions for features that we have on both 32-bit and 64-bit chips */
135 #define CPU_FTR_COHERENT_ICACHE         ASM_CONST(0x00000001)
136 #define CPU_FTR_ALTIVEC                 ASM_CONST(0x00000002)
137 #define CPU_FTR_DBELL                   ASM_CONST(0x00000004)
138 #define CPU_FTR_CAN_NAP                 ASM_CONST(0x00000008)
139 #define CPU_FTR_DEBUG_LVL_EXC           ASM_CONST(0x00000010)
140 #define CPU_FTR_NODSISRALIGN            ASM_CONST(0x00000020)
141 #define CPU_FTR_FPU_UNAVAILABLE         ASM_CONST(0x00000040)
142 #define CPU_FTR_LWSYNC                  ASM_CONST(0x00000080)
143 #define CPU_FTR_NOEXECUTE               ASM_CONST(0x00000100)
144 #define CPU_FTR_EMB_HV                  ASM_CONST(0x00000200)
145
146 /* Definitions for features that only exist on 32-bit chips */
147 #ifdef CONFIG_PPC32
148 #define CPU_FTR_L2CR                    ASM_CONST(0x00002000)
149 #define CPU_FTR_SPEC7450                ASM_CONST(0x00004000)
150 #define CPU_FTR_TAU                     ASM_CONST(0x00008000)
151 #define CPU_FTR_CAN_DOZE                ASM_CONST(0x00010000)
152 #define CPU_FTR_L3CR                    ASM_CONST(0x00040000)
153 #define CPU_FTR_L3_DISABLE_NAP          ASM_CONST(0x00080000)
154 #define CPU_FTR_NAP_DISABLE_L2_PR       ASM_CONST(0x00100000)
155 #define CPU_FTR_DUAL_PLL_750FX          ASM_CONST(0x00200000)
156 #define CPU_FTR_NO_DPM                  ASM_CONST(0x00400000)
157 #define CPU_FTR_476_DD2                 ASM_CONST(0x00800000)
158 #define CPU_FTR_NEED_COHERENT           ASM_CONST(0x01000000)
159 #define CPU_FTR_NO_BTIC                 ASM_CONST(0x02000000)
160 #define CPU_FTR_PPC_LE                  ASM_CONST(0x04000000)
161 #define CPU_FTR_SPE                     ASM_CONST(0x10000000)
162 #define CPU_FTR_NEED_PAIRED_STWCX       ASM_CONST(0x20000000)
163 #define CPU_FTR_INDEXED_DCR             ASM_CONST(0x40000000)
164
165 #else   /* CONFIG_PPC32 */
166 /* Define these to 0 for the sake of tests in common code */
167 #define CPU_FTR_PPC_LE                  (0)
168 #endif
169
170 /*
171  * Definitions for the 64-bit processor unique features;
172  * on 32-bit, make the names available but defined to be 0.
173  */
174 #ifdef __powerpc64__
175 #define LONG_ASM_CONST(x)               ASM_CONST(x)
176 #else
177 #define LONG_ASM_CONST(x)               0
178 #endif
179
180 #define CPU_FTR_REAL_LE                 LONG_ASM_CONST(0x0000000000001000)
181 #define CPU_FTR_HVMODE                  LONG_ASM_CONST(0x0000000000002000)
182 #define CPU_FTR_ARCH_206                LONG_ASM_CONST(0x0000000000008000)
183 #define CPU_FTR_ARCH_207S               LONG_ASM_CONST(0x0000000000010000)
184 #define CPU_FTR_ARCH_300                LONG_ASM_CONST(0x0000000000020000)
185 #define CPU_FTR_MMCRA                   LONG_ASM_CONST(0x0000000000040000)
186 #define CPU_FTR_CTRL                    LONG_ASM_CONST(0x0000000000080000)
187 #define CPU_FTR_SMT                     LONG_ASM_CONST(0x0000000000100000)
188 #define CPU_FTR_PAUSE_ZERO              LONG_ASM_CONST(0x0000000000200000)
189 #define CPU_FTR_PURR                    LONG_ASM_CONST(0x0000000000400000)
190 #define CPU_FTR_CELL_TB_BUG             LONG_ASM_CONST(0x0000000000800000)
191 #define CPU_FTR_SPURR                   LONG_ASM_CONST(0x0000000001000000)
192 #define CPU_FTR_DSCR                    LONG_ASM_CONST(0x0000000002000000)
193 #define CPU_FTR_VSX                     LONG_ASM_CONST(0x0000000004000000)
194 // Free                                 LONG_ASM_CONST(0x0000000008000000)
195 #define CPU_FTR_CP_USE_DCBTZ            LONG_ASM_CONST(0x0000000010000000)
196 #define CPU_FTR_UNALIGNED_LD_STD        LONG_ASM_CONST(0x0000000020000000)
197 #define CPU_FTR_ASYM_SMT                LONG_ASM_CONST(0x0000000040000000)
198 #define CPU_FTR_STCX_CHECKS_ADDRESS     LONG_ASM_CONST(0x0000000080000000)
199 #define CPU_FTR_POPCNTB                 LONG_ASM_CONST(0x0000000100000000)
200 #define CPU_FTR_POPCNTD                 LONG_ASM_CONST(0x0000000200000000)
201 /* LONG_ASM_CONST(0x0000000400000000) Free */
202 #define CPU_FTR_VMX_COPY                LONG_ASM_CONST(0x0000000800000000)
203 #define CPU_FTR_TM                      LONG_ASM_CONST(0x0000001000000000)
204 #define CPU_FTR_CFAR                    LONG_ASM_CONST(0x0000002000000000)
205 #define CPU_FTR_HAS_PPR                 LONG_ASM_CONST(0x0000004000000000)
206 #define CPU_FTR_DAWR                    LONG_ASM_CONST(0x0000008000000000)
207 #define CPU_FTR_DABRX                   LONG_ASM_CONST(0x0000010000000000)
208 #define CPU_FTR_PMAO_BUG                LONG_ASM_CONST(0x0000020000000000)
209 #define CPU_FTR_POWER9_DD2_1            LONG_ASM_CONST(0x0000080000000000)
210 #define CPU_FTR_P9_TM_HV_ASSIST         LONG_ASM_CONST(0x0000100000000000)
211 #define CPU_FTR_P9_TM_XER_SO_BUG        LONG_ASM_CONST(0x0000200000000000)
212 #define CPU_FTR_P9_TLBIE_STQ_BUG        LONG_ASM_CONST(0x0000400000000000)
213 #define CPU_FTR_P9_TIDR                 LONG_ASM_CONST(0x0000800000000000)
214 #define CPU_FTR_P9_TLBIE_ERAT_BUG       LONG_ASM_CONST(0x0001000000000000)
215 #define CPU_FTR_P9_RADIX_PREFETCH_BUG   LONG_ASM_CONST(0x0002000000000000)
216 #define CPU_FTR_ARCH_31                 LONG_ASM_CONST(0x0004000000000000)
217 #define CPU_FTR_DAWR1                   LONG_ASM_CONST(0x0008000000000000)
218
219 #ifndef __ASSEMBLY__
220
221 #define CPU_FTR_PPCAS_ARCH_V2   (CPU_FTR_NOEXECUTE | CPU_FTR_NODSISRALIGN)
222
223 #define MMU_FTR_PPCAS_ARCH_V2   (MMU_FTR_TLBIEL | MMU_FTR_16M_PAGE)
224
225 /* We only set the altivec features if the kernel was compiled with altivec
226  * support
227  */
228 #ifdef CONFIG_ALTIVEC
229 #define CPU_FTR_ALTIVEC_COMP    CPU_FTR_ALTIVEC
230 #define PPC_FEATURE_HAS_ALTIVEC_COMP PPC_FEATURE_HAS_ALTIVEC
231 #else
232 #define CPU_FTR_ALTIVEC_COMP    0
233 #define PPC_FEATURE_HAS_ALTIVEC_COMP    0
234 #endif
235
236 /* We only set the VSX features if the kernel was compiled with VSX
237  * support
238  */
239 #ifdef CONFIG_VSX
240 #define CPU_FTR_VSX_COMP        CPU_FTR_VSX
241 #define PPC_FEATURE_HAS_VSX_COMP PPC_FEATURE_HAS_VSX
242 #else
243 #define CPU_FTR_VSX_COMP        0
244 #define PPC_FEATURE_HAS_VSX_COMP    0
245 #endif
246
247 /* We only set the spe features if the kernel was compiled with spe
248  * support
249  */
250 #ifdef CONFIG_SPE
251 #define CPU_FTR_SPE_COMP        CPU_FTR_SPE
252 #define PPC_FEATURE_HAS_SPE_COMP PPC_FEATURE_HAS_SPE
253 #define PPC_FEATURE_HAS_EFP_SINGLE_COMP PPC_FEATURE_HAS_EFP_SINGLE
254 #define PPC_FEATURE_HAS_EFP_DOUBLE_COMP PPC_FEATURE_HAS_EFP_DOUBLE
255 #else
256 #define CPU_FTR_SPE_COMP        0
257 #define PPC_FEATURE_HAS_SPE_COMP    0
258 #define PPC_FEATURE_HAS_EFP_SINGLE_COMP 0
259 #define PPC_FEATURE_HAS_EFP_DOUBLE_COMP 0
260 #endif
261
262 /* We only set the TM feature if the kernel was compiled with TM supprt */
263 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM
264 #define CPU_FTR_TM_COMP                 CPU_FTR_TM
265 #define PPC_FEATURE2_HTM_COMP           PPC_FEATURE2_HTM
266 #define PPC_FEATURE2_HTM_NOSC_COMP      PPC_FEATURE2_HTM_NOSC
267 #else
268 #define CPU_FTR_TM_COMP                 0
269 #define PPC_FEATURE2_HTM_COMP           0
270 #define PPC_FEATURE2_HTM_NOSC_COMP      0
271 #endif
272
273 /* We need to mark all pages as being coherent if we're SMP or we have a
274  * 74[45]x and an MPC107 host bridge. Also 83xx and PowerQUICC II
275  * require it for PCI "streaming/prefetch" to work properly.
276  * This is also required by 52xx family.
277  */
278 #if defined(CONFIG_SMP) || defined(CONFIG_MPC10X_BRIDGE) \
279         || defined(CONFIG_PPC_83xx) || defined(CONFIG_8260) \
280         || defined(CONFIG_PPC_MPC52xx)
281 #define CPU_FTR_COMMON                  CPU_FTR_NEED_COHERENT
282 #else
283 #define CPU_FTR_COMMON                  0
284 #endif
285
286 /* The powersave features NAP & DOZE seems to confuse BDI when
287    debugging. So if a BDI is used, disable theses
288  */
289 #ifndef CONFIG_BDI_SWITCH
290 #define CPU_FTR_MAYBE_CAN_DOZE  CPU_FTR_CAN_DOZE
291 #define CPU_FTR_MAYBE_CAN_NAP   CPU_FTR_CAN_NAP
292 #else
293 #define CPU_FTR_MAYBE_CAN_DOZE  0
294 #define CPU_FTR_MAYBE_CAN_NAP   0
295 #endif
296
297 #define CPU_FTRS_PPC601 (CPU_FTR_COMMON | \
298         CPU_FTR_COHERENT_ICACHE)
299 #define CPU_FTRS_603    (CPU_FTR_COMMON | CPU_FTR_MAYBE_CAN_DOZE | \
300             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE | CPU_FTR_NOEXECUTE)
301 #define CPU_FTRS_604    (CPU_FTR_COMMON | CPU_FTR_PPC_LE)
302 #define CPU_FTRS_740_NOTAU      (CPU_FTR_COMMON | \
303             CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \
304             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
305 #define CPU_FTRS_740    (CPU_FTR_COMMON | \
306             CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \
307             CPU_FTR_TAU | CPU_FTR_MAYBE_CAN_NAP | \
308             CPU_FTR_PPC_LE)
309 #define CPU_FTRS_750    (CPU_FTR_COMMON | \
310             CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \
311             CPU_FTR_TAU | CPU_FTR_MAYBE_CAN_NAP | \
312             CPU_FTR_PPC_LE)
313 #define CPU_FTRS_750CL  (CPU_FTRS_750)
314 #define CPU_FTRS_750FX1 (CPU_FTRS_750 | CPU_FTR_DUAL_PLL_750FX | CPU_FTR_NO_DPM)
315 #define CPU_FTRS_750FX2 (CPU_FTRS_750 | CPU_FTR_NO_DPM)
316 #define CPU_FTRS_750FX  (CPU_FTRS_750 | CPU_FTR_DUAL_PLL_750FX)
317 #define CPU_FTRS_750GX  (CPU_FTRS_750FX)
318 #define CPU_FTRS_7400_NOTAU     (CPU_FTR_COMMON | \
319             CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \
320             CPU_FTR_ALTIVEC_COMP | \
321             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
322 #define CPU_FTRS_7400   (CPU_FTR_COMMON | \
323             CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \
324             CPU_FTR_TAU | CPU_FTR_ALTIVEC_COMP | \
325             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
326 #define CPU_FTRS_7450_20        (CPU_FTR_COMMON | \
327             CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
328             CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \
329             CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
330 #define CPU_FTRS_7450_21        (CPU_FTR_COMMON | \
331             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
332             CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \
333             CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \
334             CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
335 #define CPU_FTRS_7450_23        (CPU_FTR_COMMON | \
336             CPU_FTR_NEED_PAIRED_STWCX | \
337             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
338             CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \
339             CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
340 #define CPU_FTRS_7455_1 (CPU_FTR_COMMON | \
341             CPU_FTR_NEED_PAIRED_STWCX | \
342             CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | CPU_FTR_L3CR | \
343             CPU_FTR_SPEC7450 | CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
344 #define CPU_FTRS_7455_20        (CPU_FTR_COMMON | \
345             CPU_FTR_NEED_PAIRED_STWCX | \
346             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
347             CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \
348             CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \
349             CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
350 #define CPU_FTRS_7455   (CPU_FTR_COMMON | \
351             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
352             CPU_FTR_L3CR | CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
353             CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
354 #define CPU_FTRS_7447_10        (CPU_FTR_COMMON | \
355             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
356             CPU_FTR_L3CR | CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
357             CPU_FTR_NEED_COHERENT | CPU_FTR_NO_BTIC | CPU_FTR_PPC_LE | \
358             CPU_FTR_NEED_PAIRED_STWCX)
359 #define CPU_FTRS_7447   (CPU_FTR_COMMON | \
360             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
361             CPU_FTR_L3CR | CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
362             CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
363 #define CPU_FTRS_7447A  (CPU_FTR_COMMON | \
364             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
365             CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
366             CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
367 #define CPU_FTRS_7448   (CPU_FTR_COMMON | \
368             CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
369             CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
370             CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
371 #define CPU_FTRS_82XX   (CPU_FTR_COMMON | CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_NOEXECUTE)
372 #define CPU_FTRS_G2_LE  (CPU_FTR_COMMON | CPU_FTR_MAYBE_CAN_DOZE | \
373             CPU_FTR_MAYBE_CAN_NAP)
374 #define CPU_FTRS_E300   (CPU_FTR_MAYBE_CAN_DOZE | \
375             CPU_FTR_MAYBE_CAN_NAP | \
376             CPU_FTR_COMMON  | CPU_FTR_NOEXECUTE)
377 #define CPU_FTRS_E300C2 (CPU_FTR_MAYBE_CAN_DOZE | \
378             CPU_FTR_MAYBE_CAN_NAP | \
379             CPU_FTR_COMMON | CPU_FTR_FPU_UNAVAILABLE  | CPU_FTR_NOEXECUTE)
380 #define CPU_FTRS_CLASSIC32      (CPU_FTR_COMMON)
381 #define CPU_FTRS_8XX    (CPU_FTR_NOEXECUTE)
382 #define CPU_FTRS_40X    (CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE)
383 #define CPU_FTRS_44X    (CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE)
384 #define CPU_FTRS_440x6  (CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE | \
385             CPU_FTR_INDEXED_DCR)
386 #define CPU_FTRS_47X    (CPU_FTRS_440x6)
387 #define CPU_FTRS_E200   (CPU_FTR_SPE_COMP | \
388             CPU_FTR_NODSISRALIGN | CPU_FTR_COHERENT_ICACHE | \
389             CPU_FTR_NOEXECUTE | \
390             CPU_FTR_DEBUG_LVL_EXC)
391 #define CPU_FTRS_E500   (CPU_FTR_MAYBE_CAN_DOZE | \
392             CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_NODSISRALIGN | \
393             CPU_FTR_NOEXECUTE)
394 #define CPU_FTRS_E500_2 (CPU_FTR_MAYBE_CAN_DOZE | \
395             CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | \
396             CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE)
397 #define CPU_FTRS_E500MC (CPU_FTR_NODSISRALIGN | \
398             CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \
399             CPU_FTR_DBELL | CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV)
400 /*
401  * e5500/e6500 erratum A-006958 is a timebase bug that can use the
402  * same workaround as CPU_FTR_CELL_TB_BUG.
403  */
404 #define CPU_FTRS_E5500  (CPU_FTR_NODSISRALIGN | \
405             CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \
406             CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
407             CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV | CPU_FTR_CELL_TB_BUG)
408 #define CPU_FTRS_E6500  (CPU_FTR_NODSISRALIGN | \
409             CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \
410             CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
411             CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV | CPU_FTR_ALTIVEC_COMP | \
412             CPU_FTR_CELL_TB_BUG | CPU_FTR_SMT)
413 #define CPU_FTRS_GENERIC_32     (CPU_FTR_COMMON | CPU_FTR_NODSISRALIGN)
414
415 /* 64-bit CPUs */
416 #define CPU_FTRS_PPC970 (CPU_FTR_LWSYNC | \
417             CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
418             CPU_FTR_ALTIVEC_COMP | CPU_FTR_CAN_NAP | CPU_FTR_MMCRA | \
419             CPU_FTR_CP_USE_DCBTZ | CPU_FTR_STCX_CHECKS_ADDRESS | \
420             CPU_FTR_HVMODE | CPU_FTR_DABRX)
421 #define CPU_FTRS_POWER5 (CPU_FTR_LWSYNC | \
422             CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
423             CPU_FTR_MMCRA | CPU_FTR_SMT | \
424             CPU_FTR_COHERENT_ICACHE | CPU_FTR_PURR | \
425             CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_DABRX)
426 #define CPU_FTRS_POWER6 (CPU_FTR_LWSYNC | \
427             CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
428             CPU_FTR_MMCRA | CPU_FTR_SMT | \
429             CPU_FTR_COHERENT_ICACHE | \
430             CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
431             CPU_FTR_DSCR | CPU_FTR_UNALIGNED_LD_STD | \
432             CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_CFAR | \
433             CPU_FTR_DABRX)
434 #define CPU_FTRS_POWER7 (CPU_FTR_LWSYNC | \
435             CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
436             CPU_FTR_MMCRA | CPU_FTR_SMT | \
437             CPU_FTR_COHERENT_ICACHE | \
438             CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
439             CPU_FTR_DSCR | CPU_FTR_ASYM_SMT | \
440             CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
441             CPU_FTR_CFAR | CPU_FTR_HVMODE | \
442             CPU_FTR_VMX_COPY | CPU_FTR_HAS_PPR | CPU_FTR_DABRX )
443 #define CPU_FTRS_POWER8 (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 | \
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_DAWR | \
452             CPU_FTR_ARCH_207S | CPU_FTR_TM_COMP )
453 #define CPU_FTRS_POWER8E (CPU_FTRS_POWER8 | CPU_FTR_PMAO_BUG)
454 #define CPU_FTRS_POWER9 (CPU_FTR_LWSYNC | \
455             CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
456             CPU_FTR_MMCRA | CPU_FTR_SMT | \
457             CPU_FTR_COHERENT_ICACHE | \
458             CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
459             CPU_FTR_DSCR | \
460             CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
461             CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \
462             CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_ARCH_207S | \
463             CPU_FTR_TM_COMP | CPU_FTR_ARCH_300 | CPU_FTR_P9_TLBIE_STQ_BUG | \
464             CPU_FTR_P9_TLBIE_ERAT_BUG | CPU_FTR_P9_TIDR)
465 #define CPU_FTRS_POWER9_DD2_0 (CPU_FTRS_POWER9 | CPU_FTR_P9_RADIX_PREFETCH_BUG)
466 #define CPU_FTRS_POWER9_DD2_1 (CPU_FTRS_POWER9 | \
467                                CPU_FTR_P9_RADIX_PREFETCH_BUG | \
468                                CPU_FTR_POWER9_DD2_1)
469 #define CPU_FTRS_POWER9_DD2_2 (CPU_FTRS_POWER9 | CPU_FTR_POWER9_DD2_1 | \
470                                CPU_FTR_P9_TM_HV_ASSIST | \
471                                CPU_FTR_P9_TM_XER_SO_BUG)
472 #define CPU_FTRS_POWER10 (CPU_FTR_LWSYNC | \
473             CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
474             CPU_FTR_MMCRA | CPU_FTR_SMT | \
475             CPU_FTR_COHERENT_ICACHE | \
476             CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
477             CPU_FTR_DSCR | \
478             CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
479             CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \
480             CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_ARCH_207S | \
481             CPU_FTR_TM_COMP | CPU_FTR_ARCH_300 | CPU_FTR_ARCH_31 | \
482             CPU_FTR_DAWR | CPU_FTR_DAWR1)
483 #define CPU_FTRS_CELL   (CPU_FTR_LWSYNC | \
484             CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
485             CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \
486             CPU_FTR_PAUSE_ZERO  | CPU_FTR_CELL_TB_BUG | CPU_FTR_CP_USE_DCBTZ | \
487             CPU_FTR_UNALIGNED_LD_STD | CPU_FTR_DABRX)
488 #define CPU_FTRS_PA6T (CPU_FTR_LWSYNC | \
489             CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_ALTIVEC_COMP | \
490             CPU_FTR_PURR | CPU_FTR_REAL_LE | CPU_FTR_DABRX)
491 #define CPU_FTRS_COMPATIBLE     (CPU_FTR_PPCAS_ARCH_V2)
492
493 #ifdef __powerpc64__
494 #ifdef CONFIG_PPC_BOOK3E
495 #define CPU_FTRS_POSSIBLE       (CPU_FTRS_E6500 | CPU_FTRS_E5500)
496 #else
497 #ifdef CONFIG_CPU_LITTLE_ENDIAN
498 #define CPU_FTRS_POSSIBLE       \
499             (CPU_FTRS_POWER7 | CPU_FTRS_POWER8E | CPU_FTRS_POWER8 | \
500              CPU_FTR_ALTIVEC_COMP | CPU_FTR_VSX_COMP | CPU_FTRS_POWER9 | \
501              CPU_FTRS_POWER9_DD2_1 | CPU_FTRS_POWER9_DD2_2 | CPU_FTRS_POWER10)
502 #else
503 #define CPU_FTRS_POSSIBLE       \
504             (CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | \
505              CPU_FTRS_POWER6 | CPU_FTRS_POWER7 | CPU_FTRS_POWER8E | \
506              CPU_FTRS_POWER8 | CPU_FTRS_CELL | CPU_FTRS_PA6T | \
507              CPU_FTR_VSX_COMP | CPU_FTR_ALTIVEC_COMP | CPU_FTRS_POWER9 | \
508              CPU_FTRS_POWER9_DD2_1 | CPU_FTRS_POWER9_DD2_2 | CPU_FTRS_POWER10)
509 #endif /* CONFIG_CPU_LITTLE_ENDIAN */
510 #endif
511 #else
512 enum {
513         CPU_FTRS_POSSIBLE =
514 #ifdef CONFIG_PPC_BOOK3S_601
515             CPU_FTRS_PPC601 |
516 #elif defined(CONFIG_PPC_BOOK3S_32)
517             CPU_FTRS_PPC601 | CPU_FTRS_603 | CPU_FTRS_604 | CPU_FTRS_740_NOTAU |
518             CPU_FTRS_740 | CPU_FTRS_750 | CPU_FTRS_750FX1 |
519             CPU_FTRS_750FX2 | CPU_FTRS_750FX | CPU_FTRS_750GX |
520             CPU_FTRS_7400_NOTAU | CPU_FTRS_7400 | CPU_FTRS_7450_20 |
521             CPU_FTRS_7450_21 | CPU_FTRS_7450_23 | CPU_FTRS_7455_1 |
522             CPU_FTRS_7455_20 | CPU_FTRS_7455 | CPU_FTRS_7447_10 |
523             CPU_FTRS_7447 | CPU_FTRS_7447A | CPU_FTRS_82XX |
524             CPU_FTRS_G2_LE | CPU_FTRS_E300 | CPU_FTRS_E300C2 |
525             CPU_FTRS_CLASSIC32 |
526 #else
527             CPU_FTRS_GENERIC_32 |
528 #endif
529 #ifdef CONFIG_PPC_8xx
530             CPU_FTRS_8XX |
531 #endif
532 #ifdef CONFIG_40x
533             CPU_FTRS_40X |
534 #endif
535 #ifdef CONFIG_44x
536             CPU_FTRS_44X | CPU_FTRS_440x6 |
537 #endif
538 #ifdef CONFIG_PPC_47x
539             CPU_FTRS_47X | CPU_FTR_476_DD2 |
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             0,
551 };
552 #endif /* __powerpc64__ */
553
554 #ifdef __powerpc64__
555 #ifdef CONFIG_PPC_BOOK3E
556 #define CPU_FTRS_ALWAYS         (CPU_FTRS_E6500 & CPU_FTRS_E5500)
557 #else
558
559 #ifdef CONFIG_PPC_DT_CPU_FTRS
560 #define CPU_FTRS_DT_CPU_BASE                    \
561         (CPU_FTR_LWSYNC |                       \
562          CPU_FTR_FPU_UNAVAILABLE |              \
563          CPU_FTR_NODSISRALIGN |                 \
564          CPU_FTR_NOEXECUTE |                    \
565          CPU_FTR_COHERENT_ICACHE |              \
566          CPU_FTR_STCX_CHECKS_ADDRESS |          \
567          CPU_FTR_POPCNTB | CPU_FTR_POPCNTD |    \
568          CPU_FTR_DAWR |                         \
569          CPU_FTR_ARCH_206 |                     \
570          CPU_FTR_ARCH_207S)
571 #else
572 #define CPU_FTRS_DT_CPU_BASE    (~0ul)
573 #endif
574
575 #ifdef CONFIG_CPU_LITTLE_ENDIAN
576 #define CPU_FTRS_ALWAYS \
577             (CPU_FTRS_POSSIBLE & ~CPU_FTR_HVMODE & CPU_FTRS_POWER7 & \
578              CPU_FTRS_POWER8E & CPU_FTRS_POWER8 & CPU_FTRS_POWER9 & \
579              CPU_FTRS_POWER9_DD2_1 & CPU_FTRS_DT_CPU_BASE)
580 #else
581 #define CPU_FTRS_ALWAYS         \
582             (CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & \
583              CPU_FTRS_POWER6 & CPU_FTRS_POWER7 & CPU_FTRS_CELL & \
584              CPU_FTRS_PA6T & CPU_FTRS_POWER8 & CPU_FTRS_POWER8E & \
585              ~CPU_FTR_HVMODE & CPU_FTRS_POSSIBLE & CPU_FTRS_POWER9 & \
586              CPU_FTRS_POWER9_DD2_1 & CPU_FTRS_DT_CPU_BASE)
587 #endif /* CONFIG_CPU_LITTLE_ENDIAN */
588 #endif
589 #else
590 enum {
591         CPU_FTRS_ALWAYS =
592 #ifdef CONFIG_PPC_BOOK3S_601
593             CPU_FTRS_PPC601 &
594 #elif defined(CONFIG_PPC_BOOK3S_32)
595             CPU_FTRS_603 & CPU_FTRS_604 & CPU_FTRS_740_NOTAU &
596             CPU_FTRS_740 & CPU_FTRS_750 & CPU_FTRS_750FX1 &
597             CPU_FTRS_750FX2 & CPU_FTRS_750FX & CPU_FTRS_750GX &
598             CPU_FTRS_7400_NOTAU & CPU_FTRS_7400 & CPU_FTRS_7450_20 &
599             CPU_FTRS_7450_21 & CPU_FTRS_7450_23 & CPU_FTRS_7455_1 &
600             CPU_FTRS_7455_20 & CPU_FTRS_7455 & CPU_FTRS_7447_10 &
601             CPU_FTRS_7447 & CPU_FTRS_7447A & CPU_FTRS_82XX &
602             CPU_FTRS_G2_LE & CPU_FTRS_E300 & CPU_FTRS_E300C2 &
603             CPU_FTRS_CLASSIC32 &
604 #else
605             CPU_FTRS_GENERIC_32 &
606 #endif
607 #ifdef CONFIG_PPC_8xx
608             CPU_FTRS_8XX &
609 #endif
610 #ifdef CONFIG_40x
611             CPU_FTRS_40X &
612 #endif
613 #ifdef CONFIG_44x
614             CPU_FTRS_44X & CPU_FTRS_440x6 &
615 #endif
616 #ifdef CONFIG_E200
617             CPU_FTRS_E200 &
618 #endif
619 #ifdef CONFIG_E500
620             CPU_FTRS_E500 & CPU_FTRS_E500_2 &
621 #endif
622 #ifdef CONFIG_PPC_E500MC
623             CPU_FTRS_E500MC & CPU_FTRS_E5500 & CPU_FTRS_E6500 &
624 #endif
625             ~CPU_FTR_EMB_HV &   /* can be removed at runtime */
626             CPU_FTRS_POSSIBLE,
627 };
628 #endif /* __powerpc64__ */
629
630 /*
631  * Maximum number of hw breakpoint supported on powerpc. Number of
632  * breakpoints supported by actual hw might be less than this, which
633  * is decided at run time in nr_wp_slots().
634  */
635 #define HBP_NUM_MAX     2
636
637 #endif /* !__ASSEMBLY__ */
638
639 #endif /* __ASM_POWERPC_CPUTABLE_H */