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 /*
13  * Added to include __machine_check_early_realmode_* functions
14  */
15 #include <asm/mce.h>
16 
17 /* This structure can grow, it's real size is used by head.S code
18  * via the mkdefs mechanism.
19  */
20 struct cpu_spec;
21 
22 typedef	void (*cpu_setup_t)(unsigned long offset, struct cpu_spec* spec);
23 typedef	void (*cpu_restore_t)(void);
24 
25 enum powerpc_oprofile_type {
26 	PPC_OPROFILE_INVALID = 0,
27 	PPC_OPROFILE_RS64 = 1,
28 	PPC_OPROFILE_POWER4 = 2,
29 	PPC_OPROFILE_G4 = 3,
30 	PPC_OPROFILE_FSL_EMB = 4,
31 	PPC_OPROFILE_CELL = 5,
32 	PPC_OPROFILE_PA6T = 6,
33 };
34 
35 enum powerpc_pmc_type {
36 	PPC_PMC_DEFAULT = 0,
37 	PPC_PMC_IBM = 1,
38 	PPC_PMC_PA6T = 2,
39 	PPC_PMC_G4 = 3,
40 };
41 
42 struct pt_regs;
43 
44 extern int machine_check_generic(struct pt_regs *regs);
45 extern int machine_check_4xx(struct pt_regs *regs);
46 extern int machine_check_440A(struct pt_regs *regs);
47 extern int machine_check_e500mc(struct pt_regs *regs);
48 extern int machine_check_e500(struct pt_regs *regs);
49 extern int machine_check_e200(struct pt_regs *regs);
50 extern int machine_check_47x(struct pt_regs *regs);
51 int machine_check_8xx(struct pt_regs *regs);
52 int machine_check_83xx(struct pt_regs *regs);
53 
54 extern void cpu_down_flush_e500v2(void);
55 extern void cpu_down_flush_e500mc(void);
56 extern void cpu_down_flush_e5500(void);
57 extern void cpu_down_flush_e6500(void);
58 
59 /* NOTE WELL: Update identify_cpu() if fields are added or removed! */
60 struct cpu_spec {
61 	/* CPU is matched via (PVR & pvr_mask) == pvr_value */
62 	unsigned int	pvr_mask;
63 	unsigned int	pvr_value;
64 
65 	char		*cpu_name;
66 	unsigned long	cpu_features;		/* Kernel features */
67 	unsigned int	cpu_user_features;	/* Userland features */
68 	unsigned int	cpu_user_features2;	/* Userland features v2 */
69 	unsigned int	mmu_features;		/* MMU features */
70 
71 	/* cache line sizes */
72 	unsigned int	icache_bsize;
73 	unsigned int	dcache_bsize;
74 
75 	/* flush caches inside the current cpu */
76 	void (*cpu_down_flush)(void);
77 
78 	/* number of performance monitor counters */
79 	unsigned int	num_pmcs;
80 	enum powerpc_pmc_type pmc_type;
81 
82 	/* this is called to initialize various CPU bits like L1 cache,
83 	 * BHT, SPD, etc... from head.S before branching to identify_machine
84 	 */
85 	cpu_setup_t	cpu_setup;
86 	/* Used to restore cpu setup on secondary processors and at resume */
87 	cpu_restore_t	cpu_restore;
88 
89 	/* Used by oprofile userspace to select the right counters */
90 	char		*oprofile_cpu_type;
91 
92 	/* Processor specific oprofile operations */
93 	enum powerpc_oprofile_type oprofile_type;
94 
95 	/* Bit locations inside the mmcra change */
96 	unsigned long	oprofile_mmcra_sihv;
97 	unsigned long	oprofile_mmcra_sipr;
98 
99 	/* Bits to clear during an oprofile exception */
100 	unsigned long	oprofile_mmcra_clear;
101 
102 	/* Name of processor class, for the ELF AT_PLATFORM entry */
103 	char		*platform;
104 
105 	/* Processor specific machine check handling. Return negative
106 	 * if the error is fatal, 1 if it was fully recovered and 0 to
107 	 * pass up (not CPU originated) */
108 	int		(*machine_check)(struct pt_regs *regs);
109 
110 	/*
111 	 * Processor specific early machine check handler which is
112 	 * called in real mode to handle SLB and TLB errors.
113 	 */
114 	long		(*machine_check_early)(struct pt_regs *regs);
115 };
116 
117 extern struct cpu_spec		*cur_cpu_spec;
118 
119 extern unsigned int __start___ftr_fixup, __stop___ftr_fixup;
120 
121 extern void set_cur_cpu_spec(struct cpu_spec *s);
122 extern struct cpu_spec *identify_cpu(unsigned long offset, unsigned int pvr);
123 extern void identify_cpu_name(unsigned int pvr);
124 extern void do_feature_fixups(unsigned long value, void *fixup_start,
125 			      void *fixup_end);
126 
127 extern const char *powerpc_base_platform;
128 
129 #ifdef CONFIG_JUMP_LABEL_FEATURE_CHECKS
130 extern void cpu_feature_keys_init(void);
131 #else
132 static inline void cpu_feature_keys_init(void) { }
133 #endif
134 
135 #endif /* __ASSEMBLY__ */
136 
137 /* CPU kernel features */
138 
139 /* Definitions for features that we have on both 32-bit and 64-bit chips */
140 #define CPU_FTR_COHERENT_ICACHE		ASM_CONST(0x00000001)
141 #define CPU_FTR_ALTIVEC			ASM_CONST(0x00000002)
142 #define CPU_FTR_DBELL			ASM_CONST(0x00000004)
143 #define CPU_FTR_CAN_NAP			ASM_CONST(0x00000008)
144 #define CPU_FTR_DEBUG_LVL_EXC		ASM_CONST(0x00000010)
145 #define CPU_FTR_NODSISRALIGN		ASM_CONST(0x00000020)
146 #define CPU_FTR_FPU_UNAVAILABLE		ASM_CONST(0x00000040)
147 #define CPU_FTR_LWSYNC			ASM_CONST(0x00000080)
148 #define CPU_FTR_NOEXECUTE		ASM_CONST(0x00000100)
149 #define CPU_FTR_EMB_HV			ASM_CONST(0x00000200)
150 
151 /* Definitions for features that only exist on 32-bit chips */
152 #ifdef CONFIG_PPC32
153 #define CPU_FTR_L2CR			ASM_CONST(0x00002000)
154 #define CPU_FTR_SPEC7450		ASM_CONST(0x00004000)
155 #define CPU_FTR_TAU			ASM_CONST(0x00008000)
156 #define CPU_FTR_CAN_DOZE		ASM_CONST(0x00010000)
157 #define CPU_FTR_L3CR			ASM_CONST(0x00040000)
158 #define CPU_FTR_L3_DISABLE_NAP		ASM_CONST(0x00080000)
159 #define CPU_FTR_NAP_DISABLE_L2_PR	ASM_CONST(0x00100000)
160 #define CPU_FTR_DUAL_PLL_750FX		ASM_CONST(0x00200000)
161 #define CPU_FTR_NO_DPM			ASM_CONST(0x00400000)
162 #define CPU_FTR_476_DD2			ASM_CONST(0x00800000)
163 #define CPU_FTR_NEED_COHERENT		ASM_CONST(0x01000000)
164 #define CPU_FTR_NO_BTIC			ASM_CONST(0x02000000)
165 #define CPU_FTR_PPC_LE			ASM_CONST(0x04000000)
166 #define CPU_FTR_SPE			ASM_CONST(0x10000000)
167 #define CPU_FTR_NEED_PAIRED_STWCX	ASM_CONST(0x20000000)
168 #define CPU_FTR_INDEXED_DCR		ASM_CONST(0x40000000)
169 
170 #else	/* CONFIG_PPC32 */
171 /* Define these to 0 for the sake of tests in common code */
172 #define CPU_FTR_PPC_LE			(0)
173 #endif
174 
175 /*
176  * Definitions for the 64-bit processor unique features;
177  * on 32-bit, make the names available but defined to be 0.
178  */
179 #ifdef __powerpc64__
180 #define LONG_ASM_CONST(x)		ASM_CONST(x)
181 #else
182 #define LONG_ASM_CONST(x)		0
183 #endif
184 
185 #define CPU_FTR_REAL_LE			LONG_ASM_CONST(0x0000000000001000)
186 #define CPU_FTR_HVMODE			LONG_ASM_CONST(0x0000000000002000)
187 #define CPU_FTR_ARCH_206		LONG_ASM_CONST(0x0000000000008000)
188 #define CPU_FTR_ARCH_207S		LONG_ASM_CONST(0x0000000000010000)
189 #define CPU_FTR_ARCH_300		LONG_ASM_CONST(0x0000000000020000)
190 #define CPU_FTR_MMCRA			LONG_ASM_CONST(0x0000000000040000)
191 #define CPU_FTR_CTRL			LONG_ASM_CONST(0x0000000000080000)
192 #define CPU_FTR_SMT			LONG_ASM_CONST(0x0000000000100000)
193 #define CPU_FTR_PAUSE_ZERO		LONG_ASM_CONST(0x0000000000200000)
194 #define CPU_FTR_PURR			LONG_ASM_CONST(0x0000000000400000)
195 #define CPU_FTR_CELL_TB_BUG		LONG_ASM_CONST(0x0000000000800000)
196 #define CPU_FTR_SPURR			LONG_ASM_CONST(0x0000000001000000)
197 #define CPU_FTR_DSCR			LONG_ASM_CONST(0x0000000002000000)
198 #define CPU_FTR_VSX			LONG_ASM_CONST(0x0000000004000000)
199 #define CPU_FTR_SAO			LONG_ASM_CONST(0x0000000008000000)
200 #define CPU_FTR_CP_USE_DCBTZ		LONG_ASM_CONST(0x0000000010000000)
201 #define CPU_FTR_UNALIGNED_LD_STD	LONG_ASM_CONST(0x0000000020000000)
202 #define CPU_FTR_ASYM_SMT		LONG_ASM_CONST(0x0000000040000000)
203 #define CPU_FTR_STCX_CHECKS_ADDRESS	LONG_ASM_CONST(0x0000000080000000)
204 #define CPU_FTR_POPCNTB			LONG_ASM_CONST(0x0000000100000000)
205 #define CPU_FTR_POPCNTD			LONG_ASM_CONST(0x0000000200000000)
206 /* LONG_ASM_CONST(0x0000000400000000) Free */
207 #define CPU_FTR_VMX_COPY		LONG_ASM_CONST(0x0000000800000000)
208 #define CPU_FTR_TM			LONG_ASM_CONST(0x0000001000000000)
209 #define CPU_FTR_CFAR			LONG_ASM_CONST(0x0000002000000000)
210 #define	CPU_FTR_HAS_PPR			LONG_ASM_CONST(0x0000004000000000)
211 #define CPU_FTR_DAWR			LONG_ASM_CONST(0x0000008000000000)
212 #define CPU_FTR_DABRX			LONG_ASM_CONST(0x0000010000000000)
213 #define CPU_FTR_PMAO_BUG		LONG_ASM_CONST(0x0000020000000000)
214 #define CPU_FTR_POWER9_DD2_1		LONG_ASM_CONST(0x0000080000000000)
215 #define CPU_FTR_P9_TM_HV_ASSIST		LONG_ASM_CONST(0x0000100000000000)
216 #define CPU_FTR_P9_TM_XER_SO_BUG	LONG_ASM_CONST(0x0000200000000000)
217 #define CPU_FTR_P9_TLBIE_STQ_BUG	LONG_ASM_CONST(0x0000400000000000)
218 #define CPU_FTR_P9_TIDR			LONG_ASM_CONST(0x0000800000000000)
219 #define CPU_FTR_P9_TLBIE_ERAT_BUG	LONG_ASM_CONST(0x0001000000000000)
220 #define CPU_FTR_P9_RADIX_PREFETCH_BUG	LONG_ASM_CONST(0x0002000000000000)
221 #define CPU_FTR_ARCH_31			LONG_ASM_CONST(0x0004000000000000)
222 #define CPU_FTR_DAWR1			LONG_ASM_CONST(0x0008000000000000)
223 
224 #ifndef __ASSEMBLY__
225 
226 #define CPU_FTR_PPCAS_ARCH_V2	(CPU_FTR_NOEXECUTE | CPU_FTR_NODSISRALIGN)
227 
228 #define MMU_FTR_PPCAS_ARCH_V2 	(MMU_FTR_TLBIEL | MMU_FTR_16M_PAGE)
229 
230 /* We only set the altivec features if the kernel was compiled with altivec
231  * support
232  */
233 #ifdef CONFIG_ALTIVEC
234 #define CPU_FTR_ALTIVEC_COMP	CPU_FTR_ALTIVEC
235 #define PPC_FEATURE_HAS_ALTIVEC_COMP PPC_FEATURE_HAS_ALTIVEC
236 #else
237 #define CPU_FTR_ALTIVEC_COMP	0
238 #define PPC_FEATURE_HAS_ALTIVEC_COMP    0
239 #endif
240 
241 /* We only set the VSX features if the kernel was compiled with VSX
242  * support
243  */
244 #ifdef CONFIG_VSX
245 #define CPU_FTR_VSX_COMP	CPU_FTR_VSX
246 #define PPC_FEATURE_HAS_VSX_COMP PPC_FEATURE_HAS_VSX
247 #else
248 #define CPU_FTR_VSX_COMP	0
249 #define PPC_FEATURE_HAS_VSX_COMP    0
250 #endif
251 
252 /* We only set the spe features if the kernel was compiled with spe
253  * support
254  */
255 #ifdef CONFIG_SPE
256 #define CPU_FTR_SPE_COMP	CPU_FTR_SPE
257 #define PPC_FEATURE_HAS_SPE_COMP PPC_FEATURE_HAS_SPE
258 #define PPC_FEATURE_HAS_EFP_SINGLE_COMP PPC_FEATURE_HAS_EFP_SINGLE
259 #define PPC_FEATURE_HAS_EFP_DOUBLE_COMP PPC_FEATURE_HAS_EFP_DOUBLE
260 #else
261 #define CPU_FTR_SPE_COMP	0
262 #define PPC_FEATURE_HAS_SPE_COMP    0
263 #define PPC_FEATURE_HAS_EFP_SINGLE_COMP 0
264 #define PPC_FEATURE_HAS_EFP_DOUBLE_COMP 0
265 #endif
266 
267 /* We only set the TM feature if the kernel was compiled with TM supprt */
268 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM
269 #define CPU_FTR_TM_COMP			CPU_FTR_TM
270 #define PPC_FEATURE2_HTM_COMP		PPC_FEATURE2_HTM
271 #define PPC_FEATURE2_HTM_NOSC_COMP	PPC_FEATURE2_HTM_NOSC
272 #else
273 #define CPU_FTR_TM_COMP			0
274 #define PPC_FEATURE2_HTM_COMP		0
275 #define PPC_FEATURE2_HTM_NOSC_COMP	0
276 #endif
277 
278 /* We need to mark all pages as being coherent if we're SMP or we have a
279  * 74[45]x and an MPC107 host bridge. Also 83xx and PowerQUICC II
280  * require it for PCI "streaming/prefetch" to work properly.
281  * This is also required by 52xx family.
282  */
283 #if defined(CONFIG_SMP) || defined(CONFIG_MPC10X_BRIDGE) \
284 	|| defined(CONFIG_PPC_83xx) || defined(CONFIG_8260) \
285 	|| defined(CONFIG_PPC_MPC52xx)
286 #define CPU_FTR_COMMON                  CPU_FTR_NEED_COHERENT
287 #else
288 #define CPU_FTR_COMMON                  0
289 #endif
290 
291 /* The powersave features NAP & DOZE seems to confuse BDI when
292    debugging. So if a BDI is used, disable theses
293  */
294 #ifndef CONFIG_BDI_SWITCH
295 #define CPU_FTR_MAYBE_CAN_DOZE	CPU_FTR_CAN_DOZE
296 #define CPU_FTR_MAYBE_CAN_NAP	CPU_FTR_CAN_NAP
297 #else
298 #define CPU_FTR_MAYBE_CAN_DOZE	0
299 #define CPU_FTR_MAYBE_CAN_NAP	0
300 #endif
301 
302 #define CPU_FTRS_PPC601	(CPU_FTR_COMMON | \
303 	CPU_FTR_COHERENT_ICACHE)
304 #define CPU_FTRS_603	(CPU_FTR_COMMON | CPU_FTR_MAYBE_CAN_DOZE | \
305 	    CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE | CPU_FTR_NOEXECUTE)
306 #define CPU_FTRS_604	(CPU_FTR_COMMON | CPU_FTR_PPC_LE)
307 #define CPU_FTRS_740_NOTAU	(CPU_FTR_COMMON | \
308 	    CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \
309 	    CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
310 #define CPU_FTRS_740	(CPU_FTR_COMMON | \
311 	    CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \
312 	    CPU_FTR_TAU | CPU_FTR_MAYBE_CAN_NAP | \
313 	    CPU_FTR_PPC_LE)
314 #define CPU_FTRS_750	(CPU_FTR_COMMON | \
315 	    CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \
316 	    CPU_FTR_TAU | CPU_FTR_MAYBE_CAN_NAP | \
317 	    CPU_FTR_PPC_LE)
318 #define CPU_FTRS_750CL	(CPU_FTRS_750)
319 #define CPU_FTRS_750FX1	(CPU_FTRS_750 | CPU_FTR_DUAL_PLL_750FX | CPU_FTR_NO_DPM)
320 #define CPU_FTRS_750FX2	(CPU_FTRS_750 | CPU_FTR_NO_DPM)
321 #define CPU_FTRS_750FX	(CPU_FTRS_750 | CPU_FTR_DUAL_PLL_750FX)
322 #define CPU_FTRS_750GX	(CPU_FTRS_750FX)
323 #define CPU_FTRS_7400_NOTAU	(CPU_FTR_COMMON | \
324 	    CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \
325 	    CPU_FTR_ALTIVEC_COMP | \
326 	    CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
327 #define CPU_FTRS_7400	(CPU_FTR_COMMON | \
328 	    CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_L2CR | \
329 	    CPU_FTR_TAU | CPU_FTR_ALTIVEC_COMP | \
330 	    CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
331 #define CPU_FTRS_7450_20	(CPU_FTR_COMMON | \
332 	    CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
333 	    CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \
334 	    CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
335 #define CPU_FTRS_7450_21	(CPU_FTR_COMMON | \
336 	    CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
337 	    CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \
338 	    CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \
339 	    CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
340 #define CPU_FTRS_7450_23	(CPU_FTR_COMMON | \
341 	    CPU_FTR_NEED_PAIRED_STWCX | \
342 	    CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
343 	    CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \
344 	    CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
345 #define CPU_FTRS_7455_1	(CPU_FTR_COMMON | \
346 	    CPU_FTR_NEED_PAIRED_STWCX | \
347 	    CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | CPU_FTR_L3CR | \
348 	    CPU_FTR_SPEC7450 | CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
349 #define CPU_FTRS_7455_20	(CPU_FTR_COMMON | \
350 	    CPU_FTR_NEED_PAIRED_STWCX | \
351 	    CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
352 	    CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \
353 	    CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \
354 	    CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
355 #define CPU_FTRS_7455	(CPU_FTR_COMMON | \
356 	    CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
357 	    CPU_FTR_L3CR | CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
358 	    CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
359 #define CPU_FTRS_7447_10	(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_NO_BTIC | CPU_FTR_PPC_LE | \
363 	    CPU_FTR_NEED_PAIRED_STWCX)
364 #define CPU_FTRS_7447	(CPU_FTR_COMMON | \
365 	    CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
366 	    CPU_FTR_L3CR | CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
367 	    CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
368 #define CPU_FTRS_7447A	(CPU_FTR_COMMON | \
369 	    CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
370 	    CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
371 	    CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
372 #define CPU_FTRS_7448	(CPU_FTR_COMMON | \
373 	    CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
374 	    CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
375 	    CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
376 #define CPU_FTRS_82XX	(CPU_FTR_COMMON | CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_NOEXECUTE)
377 #define CPU_FTRS_G2_LE	(CPU_FTR_COMMON | CPU_FTR_MAYBE_CAN_DOZE | \
378 	    CPU_FTR_MAYBE_CAN_NAP)
379 #define CPU_FTRS_E300	(CPU_FTR_MAYBE_CAN_DOZE | \
380 	    CPU_FTR_MAYBE_CAN_NAP | \
381 	    CPU_FTR_COMMON  | CPU_FTR_NOEXECUTE)
382 #define CPU_FTRS_E300C2	(CPU_FTR_MAYBE_CAN_DOZE | \
383 	    CPU_FTR_MAYBE_CAN_NAP | \
384 	    CPU_FTR_COMMON | CPU_FTR_FPU_UNAVAILABLE  | CPU_FTR_NOEXECUTE)
385 #define CPU_FTRS_CLASSIC32	(CPU_FTR_COMMON)
386 #define CPU_FTRS_8XX	(CPU_FTR_NOEXECUTE)
387 #define CPU_FTRS_40X	(CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE)
388 #define CPU_FTRS_44X	(CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE)
389 #define CPU_FTRS_440x6	(CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE | \
390 	    CPU_FTR_INDEXED_DCR)
391 #define CPU_FTRS_47X	(CPU_FTRS_440x6)
392 #define CPU_FTRS_E200	(CPU_FTR_SPE_COMP | \
393 	    CPU_FTR_NODSISRALIGN | CPU_FTR_COHERENT_ICACHE | \
394 	    CPU_FTR_NOEXECUTE | \
395 	    CPU_FTR_DEBUG_LVL_EXC)
396 #define CPU_FTRS_E500	(CPU_FTR_MAYBE_CAN_DOZE | \
397 	    CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_NODSISRALIGN | \
398 	    CPU_FTR_NOEXECUTE)
399 #define CPU_FTRS_E500_2	(CPU_FTR_MAYBE_CAN_DOZE | \
400 	    CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | \
401 	    CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE)
402 #define CPU_FTRS_E500MC	(CPU_FTR_NODSISRALIGN | \
403 	    CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \
404 	    CPU_FTR_DBELL | CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV)
405 /*
406  * e5500/e6500 erratum A-006958 is a timebase bug that can use the
407  * same workaround as CPU_FTR_CELL_TB_BUG.
408  */
409 #define CPU_FTRS_E5500	(CPU_FTR_NODSISRALIGN | \
410 	    CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \
411 	    CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
412 	    CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV | CPU_FTR_CELL_TB_BUG)
413 #define CPU_FTRS_E6500	(CPU_FTR_NODSISRALIGN | \
414 	    CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \
415 	    CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
416 	    CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV | CPU_FTR_ALTIVEC_COMP | \
417 	    CPU_FTR_CELL_TB_BUG | CPU_FTR_SMT)
418 #define CPU_FTRS_GENERIC_32	(CPU_FTR_COMMON | CPU_FTR_NODSISRALIGN)
419 
420 /* 64-bit CPUs */
421 #define CPU_FTRS_PPC970	(CPU_FTR_LWSYNC | \
422 	    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
423 	    CPU_FTR_ALTIVEC_COMP | CPU_FTR_CAN_NAP | CPU_FTR_MMCRA | \
424 	    CPU_FTR_CP_USE_DCBTZ | CPU_FTR_STCX_CHECKS_ADDRESS | \
425 	    CPU_FTR_HVMODE | CPU_FTR_DABRX)
426 #define CPU_FTRS_POWER5	(CPU_FTR_LWSYNC | \
427 	    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
428 	    CPU_FTR_MMCRA | CPU_FTR_SMT | \
429 	    CPU_FTR_COHERENT_ICACHE | CPU_FTR_PURR | \
430 	    CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_DABRX)
431 #define CPU_FTRS_POWER6 (CPU_FTR_LWSYNC | \
432 	    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
433 	    CPU_FTR_MMCRA | CPU_FTR_SMT | \
434 	    CPU_FTR_COHERENT_ICACHE | \
435 	    CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
436 	    CPU_FTR_DSCR | CPU_FTR_UNALIGNED_LD_STD | \
437 	    CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_CFAR | \
438 	    CPU_FTR_DABRX)
439 #define CPU_FTRS_POWER7 (CPU_FTR_LWSYNC | \
440 	    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
441 	    CPU_FTR_MMCRA | CPU_FTR_SMT | \
442 	    CPU_FTR_COHERENT_ICACHE | \
443 	    CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
444 	    CPU_FTR_DSCR | CPU_FTR_SAO  | CPU_FTR_ASYM_SMT | \
445 	    CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
446 	    CPU_FTR_CFAR | CPU_FTR_HVMODE | \
447 	    CPU_FTR_VMX_COPY | CPU_FTR_HAS_PPR | CPU_FTR_DABRX )
448 #define CPU_FTRS_POWER8 (CPU_FTR_LWSYNC | \
449 	    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
450 	    CPU_FTR_MMCRA | CPU_FTR_SMT | \
451 	    CPU_FTR_COHERENT_ICACHE | \
452 	    CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
453 	    CPU_FTR_DSCR | CPU_FTR_SAO  | \
454 	    CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
455 	    CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \
456 	    CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_DAWR | \
457 	    CPU_FTR_ARCH_207S | CPU_FTR_TM_COMP )
458 #define CPU_FTRS_POWER8E (CPU_FTRS_POWER8 | CPU_FTR_PMAO_BUG)
459 #define CPU_FTRS_POWER9 (CPU_FTR_LWSYNC | \
460 	    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
461 	    CPU_FTR_MMCRA | CPU_FTR_SMT | \
462 	    CPU_FTR_COHERENT_ICACHE | \
463 	    CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
464 	    CPU_FTR_DSCR | CPU_FTR_SAO  | \
465 	    CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
466 	    CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \
467 	    CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_ARCH_207S | \
468 	    CPU_FTR_TM_COMP | CPU_FTR_ARCH_300 | CPU_FTR_P9_TLBIE_STQ_BUG | \
469 	    CPU_FTR_P9_TLBIE_ERAT_BUG | CPU_FTR_P9_TIDR)
470 #define CPU_FTRS_POWER9_DD2_0 (CPU_FTRS_POWER9 | CPU_FTR_P9_RADIX_PREFETCH_BUG)
471 #define CPU_FTRS_POWER9_DD2_1 (CPU_FTRS_POWER9 | \
472 			       CPU_FTR_P9_RADIX_PREFETCH_BUG | \
473 			       CPU_FTR_POWER9_DD2_1)
474 #define CPU_FTRS_POWER9_DD2_2 (CPU_FTRS_POWER9 | CPU_FTR_POWER9_DD2_1 | \
475 			       CPU_FTR_P9_TM_HV_ASSIST | \
476 			       CPU_FTR_P9_TM_XER_SO_BUG)
477 #define CPU_FTRS_POWER10 (CPU_FTR_LWSYNC | \
478 	    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
479 	    CPU_FTR_MMCRA | CPU_FTR_SMT | \
480 	    CPU_FTR_COHERENT_ICACHE | \
481 	    CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
482 	    CPU_FTR_DSCR | CPU_FTR_SAO  | \
483 	    CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
484 	    CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \
485 	    CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_ARCH_207S | \
486 	    CPU_FTR_TM_COMP | CPU_FTR_ARCH_300 | CPU_FTR_ARCH_31 | \
487 	    CPU_FTR_DAWR | CPU_FTR_DAWR1)
488 #define CPU_FTRS_CELL	(CPU_FTR_LWSYNC | \
489 	    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
490 	    CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \
491 	    CPU_FTR_PAUSE_ZERO  | CPU_FTR_CELL_TB_BUG | CPU_FTR_CP_USE_DCBTZ | \
492 	    CPU_FTR_UNALIGNED_LD_STD | CPU_FTR_DABRX)
493 #define CPU_FTRS_PA6T (CPU_FTR_LWSYNC | \
494 	    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_ALTIVEC_COMP | \
495 	    CPU_FTR_PURR | CPU_FTR_REAL_LE | CPU_FTR_DABRX)
496 #define CPU_FTRS_COMPATIBLE	(CPU_FTR_PPCAS_ARCH_V2)
497 
498 #ifdef __powerpc64__
499 #ifdef CONFIG_PPC_BOOK3E
500 #define CPU_FTRS_POSSIBLE	(CPU_FTRS_E6500 | CPU_FTRS_E5500)
501 #else
502 #ifdef CONFIG_CPU_LITTLE_ENDIAN
503 #define CPU_FTRS_POSSIBLE	\
504 	    (CPU_FTRS_POWER7 | CPU_FTRS_POWER8E | CPU_FTRS_POWER8 | \
505 	     CPU_FTR_ALTIVEC_COMP | CPU_FTR_VSX_COMP | CPU_FTRS_POWER9 | \
506 	     CPU_FTRS_POWER9_DD2_1 | CPU_FTRS_POWER9_DD2_2 | CPU_FTRS_POWER10)
507 #else
508 #define CPU_FTRS_POSSIBLE	\
509 	    (CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | \
510 	     CPU_FTRS_POWER6 | CPU_FTRS_POWER7 | CPU_FTRS_POWER8E | \
511 	     CPU_FTRS_POWER8 | CPU_FTRS_CELL | CPU_FTRS_PA6T | \
512 	     CPU_FTR_VSX_COMP | CPU_FTR_ALTIVEC_COMP | CPU_FTRS_POWER9 | \
513 	     CPU_FTRS_POWER9_DD2_1 | CPU_FTRS_POWER9_DD2_2 | CPU_FTRS_POWER10)
514 #endif /* CONFIG_CPU_LITTLE_ENDIAN */
515 #endif
516 #else
517 enum {
518 	CPU_FTRS_POSSIBLE =
519 #ifdef CONFIG_PPC_BOOK3S_601
520 	    CPU_FTRS_PPC601 |
521 #elif defined(CONFIG_PPC_BOOK3S_32)
522 	    CPU_FTRS_PPC601 | CPU_FTRS_603 | CPU_FTRS_604 | CPU_FTRS_740_NOTAU |
523 	    CPU_FTRS_740 | CPU_FTRS_750 | CPU_FTRS_750FX1 |
524 	    CPU_FTRS_750FX2 | CPU_FTRS_750FX | CPU_FTRS_750GX |
525 	    CPU_FTRS_7400_NOTAU | CPU_FTRS_7400 | CPU_FTRS_7450_20 |
526 	    CPU_FTRS_7450_21 | CPU_FTRS_7450_23 | CPU_FTRS_7455_1 |
527 	    CPU_FTRS_7455_20 | CPU_FTRS_7455 | CPU_FTRS_7447_10 |
528 	    CPU_FTRS_7447 | CPU_FTRS_7447A | CPU_FTRS_82XX |
529 	    CPU_FTRS_G2_LE | CPU_FTRS_E300 | CPU_FTRS_E300C2 |
530 	    CPU_FTRS_CLASSIC32 |
531 #else
532 	    CPU_FTRS_GENERIC_32 |
533 #endif
534 #ifdef CONFIG_PPC_8xx
535 	    CPU_FTRS_8XX |
536 #endif
537 #ifdef CONFIG_40x
538 	    CPU_FTRS_40X |
539 #endif
540 #ifdef CONFIG_44x
541 	    CPU_FTRS_44X | CPU_FTRS_440x6 |
542 #endif
543 #ifdef CONFIG_PPC_47x
544 	    CPU_FTRS_47X | CPU_FTR_476_DD2 |
545 #endif
546 #ifdef CONFIG_E200
547 	    CPU_FTRS_E200 |
548 #endif
549 #ifdef CONFIG_E500
550 	    CPU_FTRS_E500 | CPU_FTRS_E500_2 |
551 #endif
552 #ifdef CONFIG_PPC_E500MC
553 	    CPU_FTRS_E500MC | CPU_FTRS_E5500 | CPU_FTRS_E6500 |
554 #endif
555 	    0,
556 };
557 #endif /* __powerpc64__ */
558 
559 #ifdef __powerpc64__
560 #ifdef CONFIG_PPC_BOOK3E
561 #define CPU_FTRS_ALWAYS		(CPU_FTRS_E6500 & CPU_FTRS_E5500)
562 #else
563 
564 #ifdef CONFIG_PPC_DT_CPU_FTRS
565 #define CPU_FTRS_DT_CPU_BASE			\
566 	(CPU_FTR_LWSYNC |			\
567 	 CPU_FTR_FPU_UNAVAILABLE |		\
568 	 CPU_FTR_NODSISRALIGN |			\
569 	 CPU_FTR_NOEXECUTE |			\
570 	 CPU_FTR_COHERENT_ICACHE |		\
571 	 CPU_FTR_STCX_CHECKS_ADDRESS |		\
572 	 CPU_FTR_POPCNTB | CPU_FTR_POPCNTD |	\
573 	 CPU_FTR_DAWR |				\
574 	 CPU_FTR_ARCH_206 |			\
575 	 CPU_FTR_ARCH_207S)
576 #else
577 #define CPU_FTRS_DT_CPU_BASE	(~0ul)
578 #endif
579 
580 #ifdef CONFIG_CPU_LITTLE_ENDIAN
581 #define CPU_FTRS_ALWAYS \
582 	    (CPU_FTRS_POSSIBLE & ~CPU_FTR_HVMODE & CPU_FTRS_POWER7 & \
583 	     CPU_FTRS_POWER8E & CPU_FTRS_POWER8 & CPU_FTRS_POWER9 & \
584 	     CPU_FTRS_POWER9_DD2_1 & CPU_FTRS_DT_CPU_BASE)
585 #else
586 #define CPU_FTRS_ALWAYS		\
587 	    (CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & \
588 	     CPU_FTRS_POWER6 & CPU_FTRS_POWER7 & CPU_FTRS_CELL & \
589 	     CPU_FTRS_PA6T & CPU_FTRS_POWER8 & CPU_FTRS_POWER8E & \
590 	     ~CPU_FTR_HVMODE & CPU_FTRS_POSSIBLE & CPU_FTRS_POWER9 & \
591 	     CPU_FTRS_POWER9_DD2_1 & CPU_FTRS_DT_CPU_BASE)
592 #endif /* CONFIG_CPU_LITTLE_ENDIAN */
593 #endif
594 #else
595 enum {
596 	CPU_FTRS_ALWAYS =
597 #ifdef CONFIG_PPC_BOOK3S_601
598 	    CPU_FTRS_PPC601 &
599 #elif defined(CONFIG_PPC_BOOK3S_32)
600 	    CPU_FTRS_603 & CPU_FTRS_604 & CPU_FTRS_740_NOTAU &
601 	    CPU_FTRS_740 & CPU_FTRS_750 & CPU_FTRS_750FX1 &
602 	    CPU_FTRS_750FX2 & CPU_FTRS_750FX & CPU_FTRS_750GX &
603 	    CPU_FTRS_7400_NOTAU & CPU_FTRS_7400 & CPU_FTRS_7450_20 &
604 	    CPU_FTRS_7450_21 & CPU_FTRS_7450_23 & CPU_FTRS_7455_1 &
605 	    CPU_FTRS_7455_20 & CPU_FTRS_7455 & CPU_FTRS_7447_10 &
606 	    CPU_FTRS_7447 & CPU_FTRS_7447A & CPU_FTRS_82XX &
607 	    CPU_FTRS_G2_LE & CPU_FTRS_E300 & CPU_FTRS_E300C2 &
608 	    CPU_FTRS_CLASSIC32 &
609 #else
610 	    CPU_FTRS_GENERIC_32 &
611 #endif
612 #ifdef CONFIG_PPC_8xx
613 	    CPU_FTRS_8XX &
614 #endif
615 #ifdef CONFIG_40x
616 	    CPU_FTRS_40X &
617 #endif
618 #ifdef CONFIG_44x
619 	    CPU_FTRS_44X & CPU_FTRS_440x6 &
620 #endif
621 #ifdef CONFIG_E200
622 	    CPU_FTRS_E200 &
623 #endif
624 #ifdef CONFIG_E500
625 	    CPU_FTRS_E500 & CPU_FTRS_E500_2 &
626 #endif
627 #ifdef CONFIG_PPC_E500MC
628 	    CPU_FTRS_E500MC & CPU_FTRS_E5500 & CPU_FTRS_E6500 &
629 #endif
630 	    ~CPU_FTR_EMB_HV &	/* can be removed at runtime */
631 	    CPU_FTRS_POSSIBLE,
632 };
633 #endif /* __powerpc64__ */
634 
635 /*
636  * Maximum number of hw breakpoint supported on powerpc. Number of
637  * breakpoints supported by actual hw might be less than this, which
638  * is decided at run time in nr_wp_slots().
639  */
640 #define HBP_NUM_MAX	2
641 
642 #endif /* !__ASSEMBLY__ */
643 
644 #endif /* __ASM_POWERPC_CPUTABLE_H */
645