1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * OMAP cpu type detection 4 * 5 * Copyright (C) 2004, 2008 Nokia Corporation 6 * 7 * Copyright (C) 2009-11 Texas Instruments. 8 * 9 * Written by Tony Lindgren <tony.lindgren@nokia.com> 10 * 11 * Added OMAP4/5 specific defines - Santosh Shilimkar<santosh.shilimkar@ti.com> 12 */ 13 14 #ifndef __ASM_ARCH_OMAP_CPU_H 15 #define __ASM_ARCH_OMAP_CPU_H 16 17 /* 18 * Test if multicore OMAP support is needed 19 */ 20 #undef MULTI_OMAP1 21 #undef OMAP_NAME 22 23 #ifdef CONFIG_ARCH_OMAP730 24 # ifdef OMAP_NAME 25 # undef MULTI_OMAP1 26 # define MULTI_OMAP1 27 # else 28 # define OMAP_NAME omap730 29 # endif 30 #endif 31 #ifdef CONFIG_ARCH_OMAP850 32 # ifdef OMAP_NAME 33 # undef MULTI_OMAP1 34 # define MULTI_OMAP1 35 # else 36 # define OMAP_NAME omap850 37 # endif 38 #endif 39 #ifdef CONFIG_ARCH_OMAP15XX 40 # ifdef OMAP_NAME 41 # undef MULTI_OMAP1 42 # define MULTI_OMAP1 43 # else 44 # define OMAP_NAME omap1510 45 # endif 46 #endif 47 #ifdef CONFIG_ARCH_OMAP16XX 48 # ifdef OMAP_NAME 49 # undef MULTI_OMAP1 50 # define MULTI_OMAP1 51 # else 52 # define OMAP_NAME omap16xx 53 # endif 54 #endif 55 56 /* 57 * omap_rev bits: 58 * CPU id bits (0730, 1510, 1710, 2422...) [31:16] 59 * CPU revision (See _REV_ defined in cpu.h) [15:08] 60 * CPU class bits (15xx, 16xx, 24xx, 34xx...) [07:00] 61 */ 62 unsigned int omap_rev(void); 63 64 /* 65 * Get the CPU revision for OMAP devices 66 */ 67 #define GET_OMAP_REVISION() ((omap_rev() >> 8) & 0xff) 68 69 /* 70 * Macros to group OMAP into cpu classes. 71 * These can be used in most places. 72 * cpu_is_omap7xx(): True for OMAP730, OMAP850 73 * cpu_is_omap15xx(): True for OMAP1510, OMAP5910 and OMAP310 74 * cpu_is_omap16xx(): True for OMAP1610, OMAP5912 and OMAP1710 75 */ 76 #define GET_OMAP_CLASS (omap_rev() & 0xff) 77 78 #define IS_OMAP_CLASS(class, id) \ 79 static inline int is_omap ##class (void) \ 80 { \ 81 return (GET_OMAP_CLASS == (id)) ? 1 : 0; \ 82 } 83 84 #define GET_OMAP_SUBCLASS ((omap_rev() >> 20) & 0x0fff) 85 86 #define IS_OMAP_SUBCLASS(subclass, id) \ 87 static inline int is_omap ##subclass (void) \ 88 { \ 89 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \ 90 } 91 92 IS_OMAP_CLASS(7xx, 0x07) 93 IS_OMAP_CLASS(15xx, 0x15) 94 IS_OMAP_CLASS(16xx, 0x16) 95 96 #define cpu_is_omap7xx() 0 97 #define cpu_is_omap15xx() 0 98 #define cpu_is_omap16xx() 0 99 100 #if defined(MULTI_OMAP1) 101 # if defined(CONFIG_ARCH_OMAP730) 102 # undef cpu_is_omap7xx 103 # define cpu_is_omap7xx() is_omap7xx() 104 # endif 105 # if defined(CONFIG_ARCH_OMAP850) 106 # undef cpu_is_omap7xx 107 # define cpu_is_omap7xx() is_omap7xx() 108 # endif 109 # if defined(CONFIG_ARCH_OMAP15XX) 110 # undef cpu_is_omap15xx 111 # define cpu_is_omap15xx() is_omap15xx() 112 # endif 113 # if defined(CONFIG_ARCH_OMAP16XX) 114 # undef cpu_is_omap16xx 115 # define cpu_is_omap16xx() is_omap16xx() 116 # endif 117 #else 118 # if defined(CONFIG_ARCH_OMAP730) 119 # undef cpu_is_omap7xx 120 # define cpu_is_omap7xx() 1 121 # endif 122 # if defined(CONFIG_ARCH_OMAP850) 123 # undef cpu_is_omap7xx 124 # define cpu_is_omap7xx() 1 125 # endif 126 # if defined(CONFIG_ARCH_OMAP15XX) 127 # undef cpu_is_omap15xx 128 # define cpu_is_omap15xx() 1 129 # endif 130 # if defined(CONFIG_ARCH_OMAP16XX) 131 # undef cpu_is_omap16xx 132 # define cpu_is_omap16xx() 1 133 # endif 134 #endif 135 136 /* 137 * Macros to detect individual cpu types. 138 * These are only rarely needed. 139 * cpu_is_omap310(): True for OMAP310 140 * cpu_is_omap1510(): True for OMAP1510 141 * cpu_is_omap1610(): True for OMAP1610 142 * cpu_is_omap1611(): True for OMAP1611 143 * cpu_is_omap5912(): True for OMAP5912 144 * cpu_is_omap1621(): True for OMAP1621 145 * cpu_is_omap1710(): True for OMAP1710 146 */ 147 #define GET_OMAP_TYPE ((omap_rev() >> 16) & 0xffff) 148 149 #define IS_OMAP_TYPE(type, id) \ 150 static inline int is_omap ##type (void) \ 151 { \ 152 return (GET_OMAP_TYPE == (id)) ? 1 : 0; \ 153 } 154 155 IS_OMAP_TYPE(310, 0x0310) 156 IS_OMAP_TYPE(1510, 0x1510) 157 IS_OMAP_TYPE(1610, 0x1610) 158 IS_OMAP_TYPE(1611, 0x1611) 159 IS_OMAP_TYPE(5912, 0x1611) 160 IS_OMAP_TYPE(1621, 0x1621) 161 IS_OMAP_TYPE(1710, 0x1710) 162 163 #define cpu_is_omap310() 0 164 #define cpu_is_omap1510() 0 165 #define cpu_is_omap1610() 0 166 #define cpu_is_omap5912() 0 167 #define cpu_is_omap1611() 0 168 #define cpu_is_omap1621() 0 169 #define cpu_is_omap1710() 0 170 171 #define cpu_class_is_omap1() 1 172 173 /* 174 * Whether we have MULTI_OMAP1 or not, we still need to distinguish 175 * between 310 vs. 1510 and 1611B/5912 vs. 1710. 176 */ 177 178 #if defined(CONFIG_ARCH_OMAP15XX) 179 # undef cpu_is_omap310 180 # undef cpu_is_omap1510 181 # define cpu_is_omap310() is_omap310() 182 # define cpu_is_omap1510() is_omap1510() 183 #endif 184 185 #if defined(CONFIG_ARCH_OMAP16XX) 186 # undef cpu_is_omap1610 187 # undef cpu_is_omap1611 188 # undef cpu_is_omap5912 189 # undef cpu_is_omap1621 190 # undef cpu_is_omap1710 191 # define cpu_is_omap1610() is_omap1610() 192 # define cpu_is_omap1611() is_omap1611() 193 # define cpu_is_omap5912() is_omap5912() 194 # define cpu_is_omap1621() is_omap1621() 195 # define cpu_is_omap1710() is_omap1710() 196 #endif 197 198 #endif 199