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_POWER9_DD2_3 (CPU_FTRS_POWER9 | CPU_FTR_POWER9_DD2_1 | \
444 			       CPU_FTR_P9_TM_HV_ASSIST | \
445 			       CPU_FTR_P9_TM_XER_SO_BUG | \
446 			       CPU_FTR_DAWR)
447 #define CPU_FTRS_POWER10 (CPU_FTR_LWSYNC | \
448 	    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
449 	    CPU_FTR_MMCRA | CPU_FTR_SMT | \
450 	    CPU_FTR_COHERENT_ICACHE | \
451 	    CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
452 	    CPU_FTR_DSCR | CPU_FTR_SAO  | \
453 	    CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
454 	    CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \
455 	    CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_ARCH_207S | \
456 	    CPU_FTR_ARCH_300 | CPU_FTR_ARCH_31 | \
457 	    CPU_FTR_DAWR | CPU_FTR_DAWR1)
458 #define CPU_FTRS_CELL	(CPU_FTR_LWSYNC | \
459 	    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
460 	    CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \
461 	    CPU_FTR_PAUSE_ZERO  | CPU_FTR_CELL_TB_BUG | CPU_FTR_CP_USE_DCBTZ | \
462 	    CPU_FTR_UNALIGNED_LD_STD | CPU_FTR_DABRX)
463 #define CPU_FTRS_PA6T (CPU_FTR_LWSYNC | \
464 	    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_ALTIVEC_COMP | \
465 	    CPU_FTR_PURR | CPU_FTR_REAL_LE | CPU_FTR_DABRX)
466 #define CPU_FTRS_COMPATIBLE	(CPU_FTR_PPCAS_ARCH_V2)
467 
468 #ifdef CONFIG_PPC64
469 #ifdef CONFIG_PPC_BOOK3E
470 #define CPU_FTRS_POSSIBLE	(CPU_FTRS_E6500 | CPU_FTRS_E5500)
471 #else
472 #ifdef CONFIG_CPU_LITTLE_ENDIAN
473 #define CPU_FTRS_POSSIBLE	\
474 	    (CPU_FTRS_POWER7 | CPU_FTRS_POWER8E | CPU_FTRS_POWER8 | \
475 	     CPU_FTR_ALTIVEC_COMP | CPU_FTR_VSX_COMP | CPU_FTRS_POWER9 | \
476 	     CPU_FTRS_POWER9_DD2_1 | CPU_FTRS_POWER9_DD2_2 | \
477 	     CPU_FTRS_POWER9_DD2_3 | CPU_FTRS_POWER10)
478 #else
479 #define CPU_FTRS_POSSIBLE	\
480 	    (CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | \
481 	     CPU_FTRS_POWER6 | CPU_FTRS_POWER7 | CPU_FTRS_POWER8E | \
482 	     CPU_FTRS_POWER8 | CPU_FTRS_CELL | CPU_FTRS_PA6T | \
483 	     CPU_FTR_VSX_COMP | CPU_FTR_ALTIVEC_COMP | CPU_FTRS_POWER9 | \
484 	     CPU_FTRS_POWER9_DD2_1 | CPU_FTRS_POWER9_DD2_2 | \
485 	     CPU_FTRS_POWER9_DD2_3 | CPU_FTRS_POWER10)
486 #endif /* CONFIG_CPU_LITTLE_ENDIAN */
487 #endif
488 #else
489 enum {
490 	CPU_FTRS_POSSIBLE =
491 #ifdef CONFIG_PPC_BOOK3S_604
492 	    CPU_FTRS_604 | CPU_FTRS_740_NOTAU |
493 	    CPU_FTRS_740 | CPU_FTRS_750 | CPU_FTRS_750FX1 |
494 	    CPU_FTRS_750FX2 | CPU_FTRS_750FX | CPU_FTRS_750GX |
495 	    CPU_FTRS_7400_NOTAU | CPU_FTRS_7400 | CPU_FTRS_7450_20 |
496 	    CPU_FTRS_7450_21 | CPU_FTRS_7450_23 | CPU_FTRS_7455_1 |
497 	    CPU_FTRS_7455_20 | CPU_FTRS_7455 | CPU_FTRS_7447_10 |
498 	    CPU_FTRS_7447 | CPU_FTRS_7447A |
499 	    CPU_FTRS_CLASSIC32 |
500 #endif
501 #ifdef CONFIG_PPC_BOOK3S_603
502 	    CPU_FTRS_603 | CPU_FTRS_82XX |
503 	    CPU_FTRS_G2_LE | CPU_FTRS_E300 | CPU_FTRS_E300C2 |
504 #endif
505 #ifdef CONFIG_PPC_8xx
506 	    CPU_FTRS_8XX |
507 #endif
508 #ifdef CONFIG_40x
509 	    CPU_FTRS_40X |
510 #endif
511 #ifdef CONFIG_PPC_47x
512 	    CPU_FTRS_47X | CPU_FTR_476_DD2 |
513 #elif defined(CONFIG_44x)
514 	    CPU_FTRS_44X | CPU_FTRS_440x6 |
515 #endif
516 #ifdef CONFIG_E500
517 	    CPU_FTRS_E500 | CPU_FTRS_E500_2 |
518 #endif
519 #ifdef CONFIG_PPC_E500MC
520 	    CPU_FTRS_E500MC | CPU_FTRS_E5500 | CPU_FTRS_E6500 |
521 #endif
522 	    0,
523 };
524 #endif /* __powerpc64__ */
525 
526 #ifdef CONFIG_PPC64
527 #ifdef CONFIG_PPC_BOOK3E
528 #define CPU_FTRS_ALWAYS		(CPU_FTRS_E6500 & CPU_FTRS_E5500)
529 #else
530 
531 #ifdef CONFIG_PPC_DT_CPU_FTRS
532 #define CPU_FTRS_DT_CPU_BASE			\
533 	(CPU_FTR_LWSYNC |			\
534 	 CPU_FTR_FPU_UNAVAILABLE |		\
535 	 CPU_FTR_NOEXECUTE |			\
536 	 CPU_FTR_COHERENT_ICACHE |		\
537 	 CPU_FTR_STCX_CHECKS_ADDRESS |		\
538 	 CPU_FTR_POPCNTB | CPU_FTR_POPCNTD |	\
539 	 CPU_FTR_DAWR |				\
540 	 CPU_FTR_ARCH_206 |			\
541 	 CPU_FTR_ARCH_207S)
542 #else
543 #define CPU_FTRS_DT_CPU_BASE	(~0ul)
544 #endif
545 
546 #ifdef CONFIG_CPU_LITTLE_ENDIAN
547 #define CPU_FTRS_ALWAYS \
548 	    (CPU_FTRS_POSSIBLE & ~CPU_FTR_HVMODE & CPU_FTRS_POWER7 & \
549 	     CPU_FTRS_POWER8E & CPU_FTRS_POWER8 & CPU_FTRS_POWER9 & \
550 	     CPU_FTRS_POWER9_DD2_1 & CPU_FTRS_POWER9_DD2_2 & \
551 	     CPU_FTRS_POWER10 & CPU_FTRS_DT_CPU_BASE)
552 #else
553 #define CPU_FTRS_ALWAYS		\
554 	    (CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & \
555 	     CPU_FTRS_POWER6 & CPU_FTRS_POWER7 & CPU_FTRS_CELL & \
556 	     CPU_FTRS_PA6T & CPU_FTRS_POWER8 & CPU_FTRS_POWER8E & \
557 	     ~CPU_FTR_HVMODE & CPU_FTRS_POSSIBLE & CPU_FTRS_POWER9 & \
558 	     CPU_FTRS_POWER9_DD2_1 & CPU_FTRS_POWER9_DD2_2 & \
559 	     CPU_FTRS_POWER10 & CPU_FTRS_DT_CPU_BASE)
560 #endif /* CONFIG_CPU_LITTLE_ENDIAN */
561 #endif
562 #else
563 enum {
564 	CPU_FTRS_ALWAYS =
565 #ifdef CONFIG_PPC_BOOK3S_604
566 	    CPU_FTRS_604 & CPU_FTRS_740_NOTAU &
567 	    CPU_FTRS_740 & CPU_FTRS_750 & CPU_FTRS_750FX1 &
568 	    CPU_FTRS_750FX2 & CPU_FTRS_750FX & CPU_FTRS_750GX &
569 	    CPU_FTRS_7400_NOTAU & CPU_FTRS_7400 & CPU_FTRS_7450_20 &
570 	    CPU_FTRS_7450_21 & CPU_FTRS_7450_23 & CPU_FTRS_7455_1 &
571 	    CPU_FTRS_7455_20 & CPU_FTRS_7455 & CPU_FTRS_7447_10 &
572 	    CPU_FTRS_7447 & CPU_FTRS_7447A &
573 	    CPU_FTRS_CLASSIC32 &
574 #endif
575 #ifdef CONFIG_PPC_BOOK3S_603
576 	    CPU_FTRS_603 & CPU_FTRS_82XX &
577 	    CPU_FTRS_G2_LE & CPU_FTRS_E300 & CPU_FTRS_E300C2 &
578 #endif
579 #ifdef CONFIG_PPC_8xx
580 	    CPU_FTRS_8XX &
581 #endif
582 #ifdef CONFIG_40x
583 	    CPU_FTRS_40X &
584 #endif
585 #ifdef CONFIG_PPC_47x
586 	    CPU_FTRS_47X &
587 #elif defined(CONFIG_44x)
588 	    CPU_FTRS_44X & CPU_FTRS_440x6 &
589 #endif
590 #ifdef CONFIG_E500
591 	    CPU_FTRS_E500 & CPU_FTRS_E500_2 &
592 #endif
593 #ifdef CONFIG_PPC_E500MC
594 	    CPU_FTRS_E500MC & CPU_FTRS_E5500 & CPU_FTRS_E6500 &
595 #endif
596 	    ~CPU_FTR_EMB_HV &	/* can be removed at runtime */
597 	    CPU_FTRS_POSSIBLE,
598 };
599 #endif /* __powerpc64__ */
600 
601 /*
602  * Maximum number of hw breakpoint supported on powerpc. Number of
603  * breakpoints supported by actual hw might be less than this, which
604  * is decided at run time in nr_wp_slots().
605  */
606 #define HBP_NUM_MAX	2
607 
608 #endif /* !__ASSEMBLY__ */
609 
610 #endif /* __ASM_POWERPC_CPUTABLE_H */
611