omap1-soc.h (4688B)
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 */ 62unsigned 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) \ 79static 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) \ 87static inline int is_omap ##subclass (void) \ 88{ \ 89 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \ 90} 91 92IS_OMAP_CLASS(7xx, 0x07) 93IS_OMAP_CLASS(15xx, 0x15) 94IS_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) \ 150static inline int is_omap ##type (void) \ 151{ \ 152 return (GET_OMAP_TYPE == (id)) ? 1 : 0; \ 153} 154 155IS_OMAP_TYPE(310, 0x0310) 156IS_OMAP_TYPE(1510, 0x1510) 157IS_OMAP_TYPE(1610, 0x1610) 158IS_OMAP_TYPE(1611, 0x1611) 159IS_OMAP_TYPE(5912, 0x1611) 160IS_OMAP_TYPE(1621, 0x1621) 161IS_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