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_40X	(CPU_FTR_NOEXECUTE)
357 #define CPU_FTRS_44X	(CPU_FTR_NOEXECUTE)
358 #define CPU_FTRS_440x6	(CPU_FTR_NOEXECUTE | \
359 	    CPU_FTR_INDEXED_DCR)
360 #define CPU_FTRS_47X	(CPU_FTRS_440x6)
361 #define CPU_FTRS_E500	(CPU_FTR_MAYBE_CAN_DOZE | \
362 	    CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | \
363 	    CPU_FTR_NOEXECUTE)
364 #define CPU_FTRS_E500_2	(CPU_FTR_MAYBE_CAN_DOZE | \
365 	    CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | \
366 	    CPU_FTR_NOEXECUTE)
367 #define CPU_FTRS_E500MC	( \
368 	    CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \
369 	    CPU_FTR_DBELL | CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV)
370 /*
371  * e5500/e6500 erratum A-006958 is a timebase bug that can use the
372  * same workaround as CPU_FTR_CELL_TB_BUG.
373  */
374 #define CPU_FTRS_E5500	( \
375 	    CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \
376 	    CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
377 	    CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV | CPU_FTR_CELL_TB_BUG)
378 #define CPU_FTRS_E6500	( \
379 	    CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \
380 	    CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
381 	    CPU_FTR_DEBUG_LVL_EXC | CPU_FTR_EMB_HV | CPU_FTR_ALTIVEC_COMP | \
382 	    CPU_FTR_CELL_TB_BUG | CPU_FTR_SMT)
383 
384 /* 64-bit CPUs */
385 #define CPU_FTRS_PPC970	(CPU_FTR_LWSYNC | \
386 	    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
387 	    CPU_FTR_ALTIVEC_COMP | CPU_FTR_CAN_NAP | CPU_FTR_MMCRA | \
388 	    CPU_FTR_CP_USE_DCBTZ | CPU_FTR_STCX_CHECKS_ADDRESS | \
389 	    CPU_FTR_HVMODE | CPU_FTR_DABRX)
390 #define CPU_FTRS_POWER5	(CPU_FTR_LWSYNC | \
391 	    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
392 	    CPU_FTR_MMCRA | CPU_FTR_SMT | \
393 	    CPU_FTR_COHERENT_ICACHE | CPU_FTR_PURR | \
394 	    CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_DABRX)
395 #define CPU_FTRS_POWER6 (CPU_FTR_LWSYNC | \
396 	    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
397 	    CPU_FTR_MMCRA | CPU_FTR_SMT | \
398 	    CPU_FTR_COHERENT_ICACHE | \
399 	    CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
400 	    CPU_FTR_DSCR | CPU_FTR_UNALIGNED_LD_STD | \
401 	    CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_CFAR | \
402 	    CPU_FTR_DABRX)
403 #define CPU_FTRS_POWER7 (CPU_FTR_LWSYNC | \
404 	    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
405 	    CPU_FTR_MMCRA | CPU_FTR_SMT | \
406 	    CPU_FTR_COHERENT_ICACHE | \
407 	    CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
408 	    CPU_FTR_DSCR | CPU_FTR_SAO  | CPU_FTR_ASYM_SMT | \
409 	    CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
410 	    CPU_FTR_CFAR | CPU_FTR_HVMODE | \
411 	    CPU_FTR_VMX_COPY | CPU_FTR_HAS_PPR | CPU_FTR_DABRX )
412 #define CPU_FTRS_POWER8 (CPU_FTR_LWSYNC | \
413 	    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
414 	    CPU_FTR_MMCRA | CPU_FTR_SMT | \
415 	    CPU_FTR_COHERENT_ICACHE | \
416 	    CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
417 	    CPU_FTR_DSCR | CPU_FTR_SAO  | \
418 	    CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
419 	    CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \
420 	    CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_DAWR | \
421 	    CPU_FTR_ARCH_207S | CPU_FTR_TM_COMP )
422 #define CPU_FTRS_POWER8E (CPU_FTRS_POWER8 | CPU_FTR_PMAO_BUG)
423 #define CPU_FTRS_POWER9 (CPU_FTR_LWSYNC | \
424 	    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
425 	    CPU_FTR_MMCRA | CPU_FTR_SMT | \
426 	    CPU_FTR_COHERENT_ICACHE | \
427 	    CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
428 	    CPU_FTR_DSCR | CPU_FTR_SAO  | \
429 	    CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
430 	    CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \
431 	    CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_ARCH_207S | \
432 	    CPU_FTR_TM_COMP | CPU_FTR_ARCH_300 | CPU_FTR_P9_TLBIE_STQ_BUG | \
433 	    CPU_FTR_P9_TLBIE_ERAT_BUG | CPU_FTR_P9_TIDR)
434 #define CPU_FTRS_POWER9_DD2_0 (CPU_FTRS_POWER9 | CPU_FTR_P9_RADIX_PREFETCH_BUG)
435 #define CPU_FTRS_POWER9_DD2_1 (CPU_FTRS_POWER9 | \
436 			       CPU_FTR_P9_RADIX_PREFETCH_BUG | \
437 			       CPU_FTR_POWER9_DD2_1)
438 #define CPU_FTRS_POWER9_DD2_2 (CPU_FTRS_POWER9 | CPU_FTR_POWER9_DD2_1 | \
439 			       CPU_FTR_P9_TM_HV_ASSIST | \
440 			       CPU_FTR_P9_TM_XER_SO_BUG)
441 #define CPU_FTRS_POWER9_DD2_3 (CPU_FTRS_POWER9 | CPU_FTR_POWER9_DD2_1 | \
442 			       CPU_FTR_P9_TM_HV_ASSIST | \
443 			       CPU_FTR_P9_TM_XER_SO_BUG | \
444 			       CPU_FTR_DAWR)
445 #define CPU_FTRS_POWER10 (CPU_FTR_LWSYNC | \
446 	    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
447 	    CPU_FTR_MMCRA | CPU_FTR_SMT | \
448 	    CPU_FTR_COHERENT_ICACHE | \
449 	    CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
450 	    CPU_FTR_DSCR | CPU_FTR_SAO  | \
451 	    CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
452 	    CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \
453 	    CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_ARCH_207S | \
454 	    CPU_FTR_ARCH_300 | CPU_FTR_ARCH_31 | \
455 	    CPU_FTR_DAWR | CPU_FTR_DAWR1 | \
456 	    CPU_FTR_DEXCR_NPHIE)
457 #define CPU_FTRS_CELL	(CPU_FTR_LWSYNC | \
458 	    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
459 	    CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \
460 	    CPU_FTR_PAUSE_ZERO  | CPU_FTR_CELL_TB_BUG | CPU_FTR_CP_USE_DCBTZ | \
461 	    CPU_FTR_UNALIGNED_LD_STD | CPU_FTR_DABRX)
462 #define CPU_FTRS_PA6T (CPU_FTR_LWSYNC | \
463 	    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_ALTIVEC_COMP | \
464 	    CPU_FTR_PURR | CPU_FTR_REAL_LE | CPU_FTR_DABRX)
465 #define CPU_FTRS_COMPATIBLE	(CPU_FTR_PPCAS_ARCH_V2)
466 
467 #ifdef CONFIG_PPC64
468 #ifdef CONFIG_PPC_BOOK3E_64
469 #define CPU_FTRS_POSSIBLE	(CPU_FTRS_E6500 | CPU_FTRS_E5500)
470 #else
471 #ifdef CONFIG_CPU_LITTLE_ENDIAN
472 #define CPU_FTRS_POSSIBLE	\
473 	    (CPU_FTRS_POWER7 | CPU_FTRS_POWER8E | CPU_FTRS_POWER8 | \
474 	     CPU_FTR_ALTIVEC_COMP | CPU_FTR_VSX_COMP | CPU_FTRS_POWER9 | \
475 	     CPU_FTRS_POWER9_DD2_1 | CPU_FTRS_POWER9_DD2_2 | \
476 	     CPU_FTRS_POWER9_DD2_3 | CPU_FTRS_POWER10)
477 #else
478 #define CPU_FTRS_POSSIBLE	\
479 	    (CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | \
480 	     CPU_FTRS_POWER6 | CPU_FTRS_POWER7 | CPU_FTRS_POWER8E | \
481 	     CPU_FTRS_POWER8 | CPU_FTRS_CELL | CPU_FTRS_PA6T | \
482 	     CPU_FTR_VSX_COMP | CPU_FTR_ALTIVEC_COMP | CPU_FTRS_POWER9 | \
483 	     CPU_FTRS_POWER9_DD2_1 | CPU_FTRS_POWER9_DD2_2 | \
484 	     CPU_FTRS_POWER9_DD2_3 | CPU_FTRS_POWER10)
485 #endif /* CONFIG_CPU_LITTLE_ENDIAN */
486 #endif
487 #else
488 enum {
489 	CPU_FTRS_POSSIBLE =
490 #ifdef CONFIG_PPC_BOOK3S_604
491 	    CPU_FTRS_604 | CPU_FTRS_740_NOTAU |
492 	    CPU_FTRS_740 | CPU_FTRS_750 | CPU_FTRS_750FX1 |
493 	    CPU_FTRS_750FX2 | CPU_FTRS_750FX | CPU_FTRS_750GX |
494 	    CPU_FTRS_7400_NOTAU | CPU_FTRS_7400 | CPU_FTRS_7450_20 |
495 	    CPU_FTRS_7450_21 | CPU_FTRS_7450_23 | CPU_FTRS_7455_1 |
496 	    CPU_FTRS_7455_20 | CPU_FTRS_7455 | CPU_FTRS_7447_10 |
497 	    CPU_FTRS_7447 | CPU_FTRS_7447A |
498 	    CPU_FTRS_CLASSIC32 |
499 #endif
500 #ifdef CONFIG_PPC_BOOK3S_603
501 	    CPU_FTRS_603 | CPU_FTRS_82XX |
502 	    CPU_FTRS_G2_LE | CPU_FTRS_E300 | CPU_FTRS_E300C2 |
503 #endif
504 #ifdef CONFIG_PPC_8xx
505 	    CPU_FTRS_8XX |
506 #endif
507 #ifdef CONFIG_40x
508 	    CPU_FTRS_40X |
509 #endif
510 #ifdef CONFIG_PPC_47x
511 	    CPU_FTRS_47X | CPU_FTR_476_DD2 |
512 #elif defined(CONFIG_44x)
513 	    CPU_FTRS_44X | CPU_FTRS_440x6 |
514 #endif
515 #ifdef CONFIG_PPC_E500
516 	    CPU_FTRS_E500 | CPU_FTRS_E500_2 |
517 #endif
518 #ifdef CONFIG_PPC_E500MC
519 	    CPU_FTRS_E500MC | CPU_FTRS_E5500 | CPU_FTRS_E6500 |
520 #endif
521 	    0,
522 };
523 #endif /* __powerpc64__ */
524 
525 #ifdef CONFIG_PPC64
526 #ifdef CONFIG_PPC_BOOK3E_64
527 #define CPU_FTRS_ALWAYS		(CPU_FTRS_E6500 & CPU_FTRS_E5500)
528 #else
529 
530 #ifdef CONFIG_PPC_DT_CPU_FTRS
531 #define CPU_FTRS_DT_CPU_BASE			\
532 	(CPU_FTR_LWSYNC |			\
533 	 CPU_FTR_FPU_UNAVAILABLE |		\
534 	 CPU_FTR_NOEXECUTE |			\
535 	 CPU_FTR_COHERENT_ICACHE |		\
536 	 CPU_FTR_STCX_CHECKS_ADDRESS |		\
537 	 CPU_FTR_POPCNTB | CPU_FTR_POPCNTD |	\
538 	 CPU_FTR_DAWR |				\
539 	 CPU_FTR_ARCH_206 |			\
540 	 CPU_FTR_ARCH_207S)
541 #else
542 #define CPU_FTRS_DT_CPU_BASE	(~0ul)
543 #endif
544 
545 #ifdef CONFIG_CPU_LITTLE_ENDIAN
546 #define CPU_FTRS_ALWAYS \
547 	    (CPU_FTRS_POSSIBLE & ~CPU_FTR_HVMODE & CPU_FTRS_POWER7 & \
548 	     CPU_FTRS_POWER8E & CPU_FTRS_POWER8 & CPU_FTRS_POWER9 & \
549 	     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_FTRS_POSSIBLE & CPU_FTRS_POWER9 & \
557 	     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_40x
582 	    CPU_FTRS_40X &
583 #endif
584 #ifdef CONFIG_PPC_47x
585 	    CPU_FTRS_47X &
586 #elif defined(CONFIG_44x)
587 	    CPU_FTRS_44X & CPU_FTRS_440x6 &
588 #endif
589 #ifdef CONFIG_PPC_E500
590 	    CPU_FTRS_E500 & CPU_FTRS_E500_2 &
591 #endif
592 #ifdef CONFIG_PPC_E500MC
593 	    CPU_FTRS_E500MC & CPU_FTRS_E5500 & CPU_FTRS_E6500 &
594 #endif
595 	    ~CPU_FTR_EMB_HV &	/* can be removed at runtime */
596 	    CPU_FTRS_POSSIBLE,
597 };
598 #endif /* __powerpc64__ */
599 
600 /*
601  * Maximum number of hw breakpoint supported on powerpc. Number of
602  * breakpoints supported by actual hw might be less than this, which
603  * is decided at run time in nr_wp_slots().
604  */
605 #define HBP_NUM_MAX	2
606 
607 #endif /* !__ASSEMBLY__ */
608 
609 #endif /* __ASM_POWERPC_CPUTABLE_H */
610