1 /* SPDX-License-Identifier: GPL-2.0-or-later * 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /* 2 /*
3 * OMAP cpu type detection 3 * OMAP cpu type detection
4 * 4 *
5 * Copyright (C) 2004, 2008 Nokia Corporation 5 * Copyright (C) 2004, 2008 Nokia Corporation
6 * 6 *
7 * Copyright (C) 2009-11 Texas Instruments. 7 * Copyright (C) 2009-11 Texas Instruments.
8 * 8 *
9 * Written by Tony Lindgren <tony.lindgren@nok 9 * Written by Tony Lindgren <tony.lindgren@nokia.com>
10 * 10 *
11 * Added OMAP4/5 specific defines - Santosh Sh 11 * Added OMAP4/5 specific defines - Santosh Shilimkar<santosh.shilimkar@ti.com>
12 */ 12 */
13 13
14 #ifndef __ASM_ARCH_OMAP_CPU_H 14 #ifndef __ASM_ARCH_OMAP_CPU_H
15 #define __ASM_ARCH_OMAP_CPU_H 15 #define __ASM_ARCH_OMAP_CPU_H
16 16
17 /* 17 /*
18 * Test if multicore OMAP support is needed 18 * Test if multicore OMAP support is needed
19 */ 19 */
20 #undef MULTI_OMAP1 20 #undef MULTI_OMAP1
21 #undef OMAP_NAME 21 #undef OMAP_NAME
22 22
23 #ifdef CONFIG_ARCH_OMAP15XX 23 #ifdef CONFIG_ARCH_OMAP15XX
24 # ifdef OMAP_NAME 24 # ifdef OMAP_NAME
25 # undef MULTI_OMAP1 25 # undef MULTI_OMAP1
26 # define MULTI_OMAP1 26 # define MULTI_OMAP1
27 # else 27 # else
28 # define OMAP_NAME omap1510 28 # define OMAP_NAME omap1510
29 # endif 29 # endif
30 #endif 30 #endif
31 #ifdef CONFIG_ARCH_OMAP16XX 31 #ifdef CONFIG_ARCH_OMAP16XX
32 # ifdef OMAP_NAME 32 # ifdef OMAP_NAME
33 # undef MULTI_OMAP1 33 # undef MULTI_OMAP1
34 # define MULTI_OMAP1 34 # define MULTI_OMAP1
35 # else 35 # else
36 # define OMAP_NAME omap16xx 36 # define OMAP_NAME omap16xx
37 # endif 37 # endif
38 #endif 38 #endif
39 39
40 /* 40 /*
41 * omap_rev bits: 41 * omap_rev bits:
42 * CPU id bits (0730, 1510, 1710, 2422...) 42 * CPU id bits (0730, 1510, 1710, 2422...) [31:16]
43 * CPU revision (See _REV_ defined in cpu.h) 43 * CPU revision (See _REV_ defined in cpu.h) [15:08]
44 * CPU class bits (15xx, 16xx, 24xx, 34xx...) 44 * CPU class bits (15xx, 16xx, 24xx, 34xx...) [07:00]
45 */ 45 */
46 unsigned int omap_rev(void); 46 unsigned int omap_rev(void);
47 47
48 /* 48 /*
49 * Get the CPU revision for OMAP devices 49 * Get the CPU revision for OMAP devices
50 */ 50 */
51 #define GET_OMAP_REVISION() ((omap_rev() > 51 #define GET_OMAP_REVISION() ((omap_rev() >> 8) & 0xff)
52 52
53 /* 53 /*
54 * Macros to group OMAP into cpu classes. 54 * Macros to group OMAP into cpu classes.
55 * These can be used in most places. 55 * These can be used in most places.
56 * cpu_is_omap15xx(): True for OMAP1510, OMA 56 * cpu_is_omap15xx(): True for OMAP1510, OMAP5910 and OMAP310
57 * cpu_is_omap16xx(): True for OMAP1610, OMA 57 * cpu_is_omap16xx(): True for OMAP1610, OMAP5912 and OMAP1710
58 */ 58 */
59 #define GET_OMAP_CLASS (omap_rev() & 0xff) 59 #define GET_OMAP_CLASS (omap_rev() & 0xff)
60 60
61 #define IS_OMAP_CLASS(class, id) 61 #define IS_OMAP_CLASS(class, id) \
62 static inline int is_omap ##class (void) 62 static inline int is_omap ##class (void) \
63 { 63 { \
64 return (GET_OMAP_CLASS == (id)) ? 1 : 64 return (GET_OMAP_CLASS == (id)) ? 1 : 0; \
65 } 65 }
66 66
67 #define GET_OMAP_SUBCLASS ((omap_rev() > 67 #define GET_OMAP_SUBCLASS ((omap_rev() >> 20) & 0x0fff)
68 68
69 #define IS_OMAP_SUBCLASS(subclass, id) 69 #define IS_OMAP_SUBCLASS(subclass, id) \
70 static inline int is_omap ##subclass (void) 70 static inline int is_omap ##subclass (void) \
71 { 71 { \
72 return (GET_OMAP_SUBCLASS == (id)) ? 1 72 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
73 } 73 }
74 74
75 IS_OMAP_CLASS(15xx, 0x15) 75 IS_OMAP_CLASS(15xx, 0x15)
76 IS_OMAP_CLASS(16xx, 0x16) 76 IS_OMAP_CLASS(16xx, 0x16)
77 77
78 #define cpu_is_omap15xx() 0 78 #define cpu_is_omap15xx() 0
79 #define cpu_is_omap16xx() 0 79 #define cpu_is_omap16xx() 0
80 80
81 #if defined(MULTI_OMAP1) 81 #if defined(MULTI_OMAP1)
82 # if defined(CONFIG_ARCH_OMAP15XX) 82 # if defined(CONFIG_ARCH_OMAP15XX)
83 # undef cpu_is_omap15xx 83 # undef cpu_is_omap15xx
84 # define cpu_is_omap15xx() is_oma 84 # define cpu_is_omap15xx() is_omap15xx()
85 # endif 85 # endif
86 # if defined(CONFIG_ARCH_OMAP16XX) 86 # if defined(CONFIG_ARCH_OMAP16XX)
87 # undef cpu_is_omap16xx 87 # undef cpu_is_omap16xx
88 # define cpu_is_omap16xx() is_oma 88 # define cpu_is_omap16xx() is_omap16xx()
89 # endif 89 # endif
90 #else 90 #else
91 # if defined(CONFIG_ARCH_OMAP15XX) 91 # if defined(CONFIG_ARCH_OMAP15XX)
92 # undef cpu_is_omap15xx 92 # undef cpu_is_omap15xx
93 # define cpu_is_omap15xx() 1 93 # define cpu_is_omap15xx() 1
94 # endif 94 # endif
95 # if defined(CONFIG_ARCH_OMAP16XX) 95 # if defined(CONFIG_ARCH_OMAP16XX)
96 # undef cpu_is_omap16xx 96 # undef cpu_is_omap16xx
97 # define cpu_is_omap16xx() 1 97 # define cpu_is_omap16xx() 1
98 # endif 98 # endif
99 #endif 99 #endif
100 100
101 /* 101 /*
102 * Macros to detect individual cpu types. 102 * Macros to detect individual cpu types.
103 * These are only rarely needed. 103 * These are only rarely needed.
104 * cpu_is_omap310(): True for OMAP310 104 * cpu_is_omap310(): True for OMAP310
105 * cpu_is_omap1510(): True for OMAP1510 105 * cpu_is_omap1510(): True for OMAP1510
106 * cpu_is_omap1610(): True for OMAP1610 106 * cpu_is_omap1610(): True for OMAP1610
107 * cpu_is_omap1611(): True for OMAP1611 107 * cpu_is_omap1611(): True for OMAP1611
108 * cpu_is_omap5912(): True for OMAP5912 108 * cpu_is_omap5912(): True for OMAP5912
109 * cpu_is_omap1621(): True for OMAP1621 109 * cpu_is_omap1621(): True for OMAP1621
110 * cpu_is_omap1710(): True for OMAP1710 110 * cpu_is_omap1710(): True for OMAP1710
111 */ 111 */
112 #define GET_OMAP_TYPE ((omap_rev() >> 16) & 112 #define GET_OMAP_TYPE ((omap_rev() >> 16) & 0xffff)
113 113
114 #define IS_OMAP_TYPE(type, id) 114 #define IS_OMAP_TYPE(type, id) \
115 static inline int is_omap ##type (void) 115 static inline int is_omap ##type (void) \
116 { 116 { \
117 return (GET_OMAP_TYPE == (id)) ? 1 : 0 117 return (GET_OMAP_TYPE == (id)) ? 1 : 0; \
118 } 118 }
119 119
120 IS_OMAP_TYPE(310, 0x0310) 120 IS_OMAP_TYPE(310, 0x0310)
121 IS_OMAP_TYPE(1510, 0x1510) 121 IS_OMAP_TYPE(1510, 0x1510)
122 IS_OMAP_TYPE(1610, 0x1610) 122 IS_OMAP_TYPE(1610, 0x1610)
123 IS_OMAP_TYPE(1611, 0x1611) 123 IS_OMAP_TYPE(1611, 0x1611)
124 IS_OMAP_TYPE(5912, 0x1611) 124 IS_OMAP_TYPE(5912, 0x1611)
125 IS_OMAP_TYPE(1621, 0x1621) 125 IS_OMAP_TYPE(1621, 0x1621)
126 IS_OMAP_TYPE(1710, 0x1710) 126 IS_OMAP_TYPE(1710, 0x1710)
127 127
128 #define cpu_is_omap310() 0 128 #define cpu_is_omap310() 0
129 #define cpu_is_omap1510() 0 129 #define cpu_is_omap1510() 0
130 #define cpu_is_omap1610() 0 130 #define cpu_is_omap1610() 0
131 #define cpu_is_omap5912() 0 131 #define cpu_is_omap5912() 0
132 #define cpu_is_omap1611() 0 132 #define cpu_is_omap1611() 0
133 #define cpu_is_omap1621() 0 133 #define cpu_is_omap1621() 0
134 #define cpu_is_omap1710() 0 134 #define cpu_is_omap1710() 0
135 135
136 #define cpu_class_is_omap1() 1 136 #define cpu_class_is_omap1() 1
137 137
138 /* 138 /*
139 * Whether we have MULTI_OMAP1 or not, we stil 139 * Whether we have MULTI_OMAP1 or not, we still need to distinguish
140 * between 310 vs. 1510 and 1611B/5912 vs. 171 140 * between 310 vs. 1510 and 1611B/5912 vs. 1710.
141 */ 141 */
142 142
143 #if defined(CONFIG_ARCH_OMAP15XX) 143 #if defined(CONFIG_ARCH_OMAP15XX)
144 # undef cpu_is_omap310 144 # undef cpu_is_omap310
145 # undef cpu_is_omap1510 145 # undef cpu_is_omap1510
146 # define cpu_is_omap310() is_oma 146 # define cpu_is_omap310() is_omap310()
147 # define cpu_is_omap1510() is_oma 147 # define cpu_is_omap1510() is_omap1510()
148 #endif 148 #endif
149 149
150 #if defined(CONFIG_ARCH_OMAP16XX) 150 #if defined(CONFIG_ARCH_OMAP16XX)
151 # undef cpu_is_omap1610 151 # undef cpu_is_omap1610
152 # undef cpu_is_omap1611 152 # undef cpu_is_omap1611
153 # undef cpu_is_omap5912 153 # undef cpu_is_omap5912
154 # undef cpu_is_omap1621 154 # undef cpu_is_omap1621
155 # undef cpu_is_omap1710 155 # undef cpu_is_omap1710
156 # define cpu_is_omap1610() is_oma 156 # define cpu_is_omap1610() is_omap1610()
157 # define cpu_is_omap1611() is_oma 157 # define cpu_is_omap1611() is_omap1611()
158 # define cpu_is_omap5912() is_oma 158 # define cpu_is_omap5912() is_omap5912()
159 # define cpu_is_omap1621() is_oma 159 # define cpu_is_omap1621() is_omap1621()
160 # define cpu_is_omap1710() is_oma 160 # define cpu_is_omap1710() is_omap1710()
161 #endif 161 #endif
162 162
163 #endif 163 #endif
164 164
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