1 /*
2  * This file is subject to the terms and conditions of the GNU General Public
3  * License.  See the file "COPYING" in the main directory of this archive
4  * for more details.
5  *
6  * Copyright (C) 2003, 2004 Ralf Baechle
7  * Copyright (C) 2004  Maciej W. Rozycki
8  */
9 #ifndef __ASM_CPU_TYPE_H
10 #define __ASM_CPU_TYPE_H
11 
12 #include <linux/smp.h>
13 #include <linux/compiler.h>
14 
__get_cpu_type(const int cpu_type)15 static inline int __pure __get_cpu_type(const int cpu_type)
16 {
17 	switch (cpu_type) {
18 #if defined(CONFIG_SYS_HAS_CPU_LOONGSON2E) || \
19     defined(CONFIG_SYS_HAS_CPU_LOONGSON2F)
20 	case CPU_LOONGSON2:
21 #endif
22 
23 #ifdef CONFIG_SYS_HAS_CPU_LOONGSON3
24 	case CPU_LOONGSON3:
25 #endif
26 
27 #ifdef CONFIG_SYS_HAS_CPU_LOONGSON1B
28 	case CPU_LOONGSON1:
29 #endif
30 
31 #ifdef CONFIG_SYS_HAS_CPU_MIPS32_R1
32 	case CPU_4KC:
33 	case CPU_ALCHEMY:
34 	case CPU_PR4450:
35 	case CPU_JZRISC:
36 #endif
37 
38 #if defined(CONFIG_SYS_HAS_CPU_MIPS32_R1) || \
39     defined(CONFIG_SYS_HAS_CPU_MIPS32_R2)
40 	case CPU_4KEC:
41 #endif
42 
43 #ifdef CONFIG_SYS_HAS_CPU_MIPS32_R2
44 	case CPU_4KSC:
45 	case CPU_24K:
46 	case CPU_34K:
47 	case CPU_1004K:
48 	case CPU_74K:
49 	case CPU_M14KC:
50 	case CPU_M14KEC:
51 	case CPU_INTERAPTIV:
52 	case CPU_PROAPTIV:
53 	case CPU_P5600:
54 	case CPU_M5150:
55 #endif
56 
57 #if defined(CONFIG_SYS_HAS_CPU_MIPS32_R2) || \
58     defined(CONFIG_SYS_HAS_CPU_MIPS32_R6) || \
59     defined(CONFIG_SYS_HAS_CPU_MIPS64_R2) || \
60     defined(CONFIG_SYS_HAS_CPU_MIPS64_R6)
61 	case CPU_QEMU_GENERIC:
62 #endif
63 
64 #ifdef CONFIG_SYS_HAS_CPU_MIPS64_R1
65 	case CPU_5KC:
66 	case CPU_5KE:
67 	case CPU_20KC:
68 	case CPU_25KF:
69 	case CPU_SB1:
70 	case CPU_SB1A:
71 #endif
72 
73 #ifdef CONFIG_SYS_HAS_CPU_MIPS64_R2
74 	/*
75 	 * All MIPS64 R2 processors have their own special symbols.  That is,
76 	 * there currently is no pure R2 core
77 	 */
78 #endif
79 
80 #ifdef CONFIG_SYS_HAS_CPU_R3000
81 	case CPU_R2000:
82 	case CPU_R3000:
83 	case CPU_R3000A:
84 	case CPU_R3041:
85 	case CPU_R3051:
86 	case CPU_R3052:
87 	case CPU_R3081:
88 	case CPU_R3081E:
89 #endif
90 
91 #ifdef CONFIG_SYS_HAS_CPU_TX39XX
92 	case CPU_TX3912:
93 	case CPU_TX3922:
94 	case CPU_TX3927:
95 #endif
96 
97 #ifdef CONFIG_SYS_HAS_CPU_VR41XX
98 	case CPU_VR41XX:
99 	case CPU_VR4111:
100 	case CPU_VR4121:
101 	case CPU_VR4122:
102 	case CPU_VR4131:
103 	case CPU_VR4133:
104 	case CPU_VR4181:
105 	case CPU_VR4181A:
106 #endif
107 
108 #ifdef CONFIG_SYS_HAS_CPU_R4300
109 	case CPU_R4300:
110 	case CPU_R4310:
111 #endif
112 
113 #ifdef CONFIG_SYS_HAS_CPU_R4X00
114 	case CPU_R4000PC:
115 	case CPU_R4000SC:
116 	case CPU_R4000MC:
117 	case CPU_R4200:
118 	case CPU_R4400PC:
119 	case CPU_R4400SC:
120 	case CPU_R4400MC:
121 	case CPU_R4600:
122 	case CPU_R4700:
123 	case CPU_R4640:
124 	case CPU_R4650:
125 #endif
126 
127 #ifdef CONFIG_SYS_HAS_CPU_TX49XX
128 	case CPU_TX49XX:
129 #endif
130 
131 #ifdef CONFIG_SYS_HAS_CPU_R5000
132 	case CPU_R5000:
133 #endif
134 
135 #ifdef CONFIG_SYS_HAS_CPU_R5432
136 	case CPU_R5432:
137 #endif
138 
139 #ifdef CONFIG_SYS_HAS_CPU_R5500
140 	case CPU_R5500:
141 #endif
142 
143 #ifdef CONFIG_SYS_HAS_CPU_R6000
144 	case CPU_R6000:
145 	case CPU_R6000A:
146 #endif
147 
148 #ifdef CONFIG_SYS_HAS_CPU_NEVADA
149 	case CPU_NEVADA:
150 #endif
151 
152 #ifdef CONFIG_SYS_HAS_CPU_R8000
153 	case CPU_R8000:
154 #endif
155 
156 #ifdef CONFIG_SYS_HAS_CPU_R10000
157 	case CPU_R10000:
158 	case CPU_R12000:
159 	case CPU_R14000:
160 	case CPU_R16000:
161 #endif
162 #ifdef CONFIG_SYS_HAS_CPU_RM7000
163 	case CPU_RM7000:
164 	case CPU_SR71000:
165 #endif
166 #ifdef CONFIG_SYS_HAS_CPU_SB1
167 	case CPU_SB1:
168 	case CPU_SB1A:
169 #endif
170 #ifdef CONFIG_SYS_HAS_CPU_CAVIUM_OCTEON
171 	case CPU_CAVIUM_OCTEON:
172 	case CPU_CAVIUM_OCTEON_PLUS:
173 	case CPU_CAVIUM_OCTEON2:
174 	case CPU_CAVIUM_OCTEON3:
175 #endif
176 
177 #if defined(CONFIG_SYS_HAS_CPU_BMIPS32_3300) || \
178 	defined (CONFIG_SYS_HAS_CPU_MIPS32_R1)
179 	case CPU_BMIPS32:
180 	case CPU_BMIPS3300:
181 #endif
182 
183 #ifdef CONFIG_SYS_HAS_CPU_BMIPS4350
184 	case CPU_BMIPS4350:
185 #endif
186 
187 #ifdef CONFIG_SYS_HAS_CPU_BMIPS4380
188 	case CPU_BMIPS4380:
189 #endif
190 
191 #ifdef CONFIG_SYS_HAS_CPU_BMIPS5000
192 	case CPU_BMIPS5000:
193 #endif
194 
195 #ifdef CONFIG_SYS_HAS_CPU_XLP
196 	case CPU_XLP:
197 #endif
198 
199 #ifdef CONFIG_SYS_HAS_CPU_XLR
200 	case CPU_XLR:
201 #endif
202 		break;
203 	default:
204 		unreachable();
205 	}
206 
207 	return cpu_type;
208 }
209 
current_cpu_type(void)210 static inline int __pure current_cpu_type(void)
211 {
212 	const int cpu_type = current_cpu_data.cputype;
213 
214 	return __get_cpu_type(cpu_type);
215 }
216 
boot_cpu_type(void)217 static inline int __pure boot_cpu_type(void)
218 {
219 	const int cpu_type = cpu_data[0].cputype;
220 
221 	return __get_cpu_type(cpu_type);
222 }
223 
224 #endif /* __ASM_CPU_TYPE_H */
225