• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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 #if defined(CONFIG_SYS_HAS_CPU_LOONGSON1B) || \
28     defined(CONFIG_SYS_HAS_CPU_LOONGSON1C)
29 	case CPU_LOONGSON1:
30 #endif
31 
32 #ifdef CONFIG_SYS_HAS_CPU_MIPS32_R1
33 	case CPU_4KC:
34 	case CPU_ALCHEMY:
35 	case CPU_PR4450:
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 	case CPU_XBURST:
42 #endif
43 
44 #ifdef CONFIG_SYS_HAS_CPU_MIPS32_R2
45 	case CPU_4KSC:
46 	case CPU_24K:
47 	case CPU_34K:
48 	case CPU_1004K:
49 	case CPU_74K:
50 	case CPU_M14KC:
51 	case CPU_M14KEC:
52 	case CPU_INTERAPTIV:
53 	case CPU_PROAPTIV:
54 	case CPU_P5600:
55 	case CPU_M5150:
56 #endif
57 
58 #if defined(CONFIG_SYS_HAS_CPU_MIPS32_R2) || \
59     defined(CONFIG_SYS_HAS_CPU_MIPS32_R6) || \
60     defined(CONFIG_SYS_HAS_CPU_MIPS64_R2) || \
61     defined(CONFIG_SYS_HAS_CPU_MIPS64_R6)
62 	case CPU_QEMU_GENERIC:
63 #endif
64 
65 #ifdef CONFIG_SYS_HAS_CPU_MIPS64_R1
66 	case CPU_5KC:
67 	case CPU_5KE:
68 	case CPU_20KC:
69 	case CPU_25KF:
70 	case CPU_SB1:
71 	case CPU_SB1A:
72 #endif
73 
74 #ifdef CONFIG_SYS_HAS_CPU_MIPS64_R2
75 	/*
76 	 * All MIPS64 R2 processors have their own special symbols.  That is,
77 	 * there currently is no pure R2 core
78 	 */
79 #endif
80 
81 #ifdef CONFIG_SYS_HAS_CPU_MIPS32_R6
82 	case CPU_M6250:
83 #endif
84 
85 #ifdef CONFIG_SYS_HAS_CPU_MIPS64_R6
86 	case CPU_I6400:
87 	case CPU_I6500:
88 	case CPU_P6600:
89 #endif
90 
91 #ifdef CONFIG_SYS_HAS_CPU_R3000
92 	case CPU_R2000:
93 	case CPU_R3000:
94 	case CPU_R3000A:
95 	case CPU_R3041:
96 	case CPU_R3051:
97 	case CPU_R3052:
98 	case CPU_R3081:
99 	case CPU_R3081E:
100 #endif
101 
102 #ifdef CONFIG_SYS_HAS_CPU_TX39XX
103 	case CPU_TX3912:
104 	case CPU_TX3922:
105 	case CPU_TX3927:
106 #endif
107 
108 #ifdef CONFIG_SYS_HAS_CPU_VR41XX
109 	case CPU_VR41XX:
110 	case CPU_VR4111:
111 	case CPU_VR4121:
112 	case CPU_VR4122:
113 	case CPU_VR4131:
114 	case CPU_VR4133:
115 	case CPU_VR4181:
116 	case CPU_VR4181A:
117 #endif
118 
119 #ifdef CONFIG_SYS_HAS_CPU_R4X00
120 	case CPU_R4000PC:
121 	case CPU_R4000SC:
122 	case CPU_R4000MC:
123 	case CPU_R4200:
124 	case CPU_R4400PC:
125 	case CPU_R4400SC:
126 	case CPU_R4400MC:
127 	case CPU_R4600:
128 	case CPU_R4700:
129 	case CPU_R4640:
130 	case CPU_R4650:
131 #endif
132 
133 #ifdef CONFIG_SYS_HAS_CPU_TX49XX
134 	case CPU_TX49XX:
135 #endif
136 
137 #ifdef CONFIG_SYS_HAS_CPU_R5000
138 	case CPU_R5000:
139 #endif
140 
141 #ifdef CONFIG_SYS_HAS_CPU_R5500
142 	case CPU_R5500:
143 #endif
144 
145 #ifdef CONFIG_SYS_HAS_CPU_NEVADA
146 	case CPU_NEVADA:
147 #endif
148 
149 #ifdef CONFIG_SYS_HAS_CPU_R10000
150 	case CPU_R10000:
151 	case CPU_R12000:
152 	case CPU_R14000:
153 	case CPU_R16000:
154 #endif
155 #ifdef CONFIG_SYS_HAS_CPU_RM7000
156 	case CPU_RM7000:
157 	case CPU_SR71000:
158 #endif
159 #ifdef CONFIG_SYS_HAS_CPU_SB1
160 	case CPU_SB1:
161 	case CPU_SB1A:
162 #endif
163 #ifdef CONFIG_SYS_HAS_CPU_CAVIUM_OCTEON
164 	case CPU_CAVIUM_OCTEON:
165 	case CPU_CAVIUM_OCTEON_PLUS:
166 	case CPU_CAVIUM_OCTEON2:
167 	case CPU_CAVIUM_OCTEON3:
168 #endif
169 
170 #if defined(CONFIG_SYS_HAS_CPU_BMIPS32_3300) || \
171 	defined (CONFIG_SYS_HAS_CPU_MIPS32_R1)
172 	case CPU_BMIPS32:
173 	case CPU_BMIPS3300:
174 #endif
175 
176 #ifdef CONFIG_SYS_HAS_CPU_BMIPS4350
177 	case CPU_BMIPS4350:
178 #endif
179 
180 #ifdef CONFIG_SYS_HAS_CPU_BMIPS4380
181 	case CPU_BMIPS4380:
182 #endif
183 
184 #ifdef CONFIG_SYS_HAS_CPU_BMIPS5000
185 	case CPU_BMIPS5000:
186 #endif
187 
188 #ifdef CONFIG_SYS_HAS_CPU_XLP
189 	case CPU_XLP:
190 #endif
191 
192 #ifdef CONFIG_SYS_HAS_CPU_XLR
193 	case CPU_XLR:
194 #endif
195 		break;
196 	default:
197 		unreachable();
198 	}
199 
200 	return cpu_type;
201 }
202 
current_cpu_type(void)203 static inline int __pure current_cpu_type(void)
204 {
205 	const int cpu_type = current_cpu_data.cputype;
206 
207 	return __get_cpu_type(cpu_type);
208 }
209 
boot_cpu_type(void)210 static inline int __pure boot_cpu_type(void)
211 {
212 	const int cpu_type = cpu_data[0].cputype;
213 
214 	return __get_cpu_type(cpu_type);
215 }
216 
217 #endif /* __ASM_CPU_TYPE_H */
218