arch/arm/mach-omap1/include/mach/soc.h

   1 /*
   2  * OMAP cpu type detection
   3  *
   4  * Copyright (C) 2004, 2008 Nokia Corporation
   5  *
   6  * Copyright (C) 2009-11 Texas Instruments.
   7  *
   8  * Written by Tony Lindgren <tony.lindgren@nokia.com>
   9  *
  10  * Added OMAP4/5 specific defines - Santosh Shilimkar<santosh.shilimkar@ti.com>
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  25  *
  26  */
  27
  28 #ifndef __ASM_ARCH_OMAP_CPU_H
  29 #define __ASM_ARCH_OMAP_CPU_H
  30
  31 #include <asm/irq.h>
  32 #include <mach/hardware.h>
  33 #include <mach/irqs.h>
  34
  35 #ifndef __ASSEMBLY__
  36
  37 #include <linux/bitops.h>
  38
  39 /*
  40  * Test if multicore OMAP support is needed
  41  */
  42 #undef MULTI_OMAP1
  43 #undef OMAP_NAME
  44
  45 #ifdef CONFIG_ARCH_OMAP730
  46 # ifdef OMAP_NAME
  47 #  undef  MULTI_OMAP1
  48 #  define MULTI_OMAP1
  49 # else
  50 #  define OMAP_NAME omap730
  51 # endif
  52 #endif
  53 #ifdef CONFIG_ARCH_OMAP850
  54 # ifdef OMAP_NAME
  55 #  undef  MULTI_OMAP1
  56 #  define MULTI_OMAP1
  57 # else
  58 #  define OMAP_NAME omap850
  59 # endif
  60 #endif
  61 #ifdef CONFIG_ARCH_OMAP15XX
  62 # ifdef OMAP_NAME
  63 #  undef  MULTI_OMAP1
  64 #  define MULTI_OMAP1
  65 # else
  66 #  define OMAP_NAME omap1510
  67 # endif
  68 #endif
  69 #ifdef CONFIG_ARCH_OMAP16XX
  70 # ifdef OMAP_NAME
  71 #  undef  MULTI_OMAP1
  72 #  define MULTI_OMAP1
  73 # else
  74 #  define OMAP_NAME omap16xx
  75 # endif
  76 #endif
  77
  78 /*
  79  * omap_rev bits:
  80  * CPU id bits  (0730, 1510, 1710, 2422...)     [31:16]
  81  * CPU revision (See _REV_ defined in cpu.h)    [15:08]
  82  * CPU class bits (15xx, 16xx, 24xx, 34xx...)   [07:00]
  83  */
  84 unsigned int omap_rev(void);
  85
  86 /*
  87  * Get the CPU revision for OMAP devices
  88  */
  89 #define GET_OMAP_REVISION()     ((omap_rev() >> 8) & 0xff)
  90
  91 /*
  92  * Macros to group OMAP into cpu classes.
  93  * These can be used in most places.
  94  * cpu_is_omap7xx():    True for OMAP730, OMAP850
  95  * cpu_is_omap15xx():   True for OMAP1510, OMAP5910 and OMAP310
  96  * cpu_is_omap16xx():   True for OMAP1610, OMAP5912 and OMAP1710
  97  */
  98 #define GET_OMAP_CLASS  (omap_rev() & 0xff)
  99
 100 #define IS_OMAP_CLASS(class, id)                        \
 101 static inline int is_omap ##class (void)                \
 102 {                                                       \
 103         return (GET_OMAP_CLASS == (id)) ? 1 : 0;        \
 104 }
 105
 106 #define GET_OMAP_SUBCLASS       ((omap_rev() >> 20) & 0x0fff)
 107
 108 #define IS_OMAP_SUBCLASS(subclass, id)                  \
 109 static inline int is_omap ##subclass (void)             \
 110 {                                                       \
 111         return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0;     \
 112 }
 113
 114 IS_OMAP_CLASS(7xx, 0x07)
 115 IS_OMAP_CLASS(15xx, 0x15)
 116 IS_OMAP_CLASS(16xx, 0x16)
 117
 118 #define cpu_is_omap7xx()                0
 119 #define cpu_is_omap15xx()               0
 120 #define cpu_is_omap16xx()               0
 121
 122 #if defined(MULTI_OMAP1)
 123 # if defined(CONFIG_ARCH_OMAP730)
 124 #  undef  cpu_is_omap7xx
 125 #  define cpu_is_omap7xx()              is_omap7xx()
 126 # endif
 127 # if defined(CONFIG_ARCH_OMAP850)
 128 #  undef  cpu_is_omap7xx
 129 #  define cpu_is_omap7xx()              is_omap7xx()
 130 # endif
 131 # if defined(CONFIG_ARCH_OMAP15XX)
 132 #  undef  cpu_is_omap15xx
 133 #  define cpu_is_omap15xx()             is_omap15xx()
 134 # endif
 135 # if defined(CONFIG_ARCH_OMAP16XX)
 136 #  undef  cpu_is_omap16xx
 137 #  define cpu_is_omap16xx()             is_omap16xx()
 138 # endif
 139 #else
 140 # if defined(CONFIG_ARCH_OMAP730)
 141 #  undef  cpu_is_omap7xx
 142 #  define cpu_is_omap7xx()              1
 143 # endif
 144 # if defined(CONFIG_ARCH_OMAP850)
 145 #  undef  cpu_is_omap7xx
 146 #  define cpu_is_omap7xx()              1
 147 # endif
 148 # if defined(CONFIG_ARCH_OMAP15XX)
 149 #  undef  cpu_is_omap15xx
 150 #  define cpu_is_omap15xx()             1
 151 # endif
 152 # if defined(CONFIG_ARCH_OMAP16XX)
 153 #  undef  cpu_is_omap16xx
 154 #  define cpu_is_omap16xx()             1
 155 # endif
 156 #endif
 157
 158 /*
 159  * Macros to detect individual cpu types.
 160  * These are only rarely needed.
 161  * cpu_is_omap310():    True for OMAP310
 162  * cpu_is_omap1510():   True for OMAP1510
 163  * cpu_is_omap1610():   True for OMAP1610
 164  * cpu_is_omap1611():   True for OMAP1611
 165  * cpu_is_omap5912():   True for OMAP5912
 166  * cpu_is_omap1621():   True for OMAP1621
 167  * cpu_is_omap1710():   True for OMAP1710
 168  */
 169 #define GET_OMAP_TYPE   ((omap_rev() >> 16) & 0xffff)
 170
 171 #define IS_OMAP_TYPE(type, id)                          \
 172 static inline int is_omap ##type (void)                 \
 173 {                                                       \
 174         return (GET_OMAP_TYPE == (id)) ? 1 : 0;         \
 175 }
 176
 177 IS_OMAP_TYPE(310, 0x0310)
 178 IS_OMAP_TYPE(1510, 0x1510)
 179 IS_OMAP_TYPE(1610, 0x1610)
 180 IS_OMAP_TYPE(1611, 0x1611)
 181 IS_OMAP_TYPE(5912, 0x1611)
 182 IS_OMAP_TYPE(1621, 0x1621)
 183 IS_OMAP_TYPE(1710, 0x1710)
 184
 185 #define cpu_is_omap310()                0
 186 #define cpu_is_omap1510()               0
 187 #define cpu_is_omap1610()               0
 188 #define cpu_is_omap5912()               0
 189 #define cpu_is_omap1611()               0
 190 #define cpu_is_omap1621()               0
 191 #define cpu_is_omap1710()               0
 192
 193 /* These are needed to compile common code */
 194 #ifdef CONFIG_ARCH_OMAP1
 195 #define cpu_is_omap242x()               0
 196 #define cpu_is_omap2430()               0
 197 #define cpu_is_omap243x()               0
 198 #define cpu_is_omap24xx()               0
 199 #define cpu_is_omap34xx()               0
 200 #define cpu_is_omap44xx()               0
 201 #define soc_is_omap54xx()               0
 202 #define soc_is_dra7xx()                 0
 203 #define soc_is_am33xx()                 0
 204 #define cpu_class_is_omap1()            1
 205 #define cpu_class_is_omap2()            0
 206 #endif
 207
 208 /*
 209  * Whether we have MULTI_OMAP1 or not, we still need to distinguish
 210  * between 310 vs. 1510 and 1611B/5912 vs. 1710.
 211  */
 212
 213 #if defined(CONFIG_ARCH_OMAP15XX)
 214 # undef  cpu_is_omap310
 215 # undef  cpu_is_omap1510
 216 # define cpu_is_omap310()               is_omap310()
 217 # define cpu_is_omap1510()              is_omap1510()
 218 #endif
 219
 220 #if defined(CONFIG_ARCH_OMAP16XX)
 221 # undef  cpu_is_omap1610
 222 # undef  cpu_is_omap1611
 223 # undef  cpu_is_omap5912
 224 # undef  cpu_is_omap1621
 225 # undef  cpu_is_omap1710
 226 # define cpu_is_omap1610()              is_omap1610()
 227 # define cpu_is_omap1611()              is_omap1611()
 228 # define cpu_is_omap5912()              is_omap5912()
 229 # define cpu_is_omap1621()              is_omap1621()
 230 # define cpu_is_omap1710()              is_omap1710()
 231 #endif
 232
 233 #endif  /* __ASSEMBLY__ */
 234 #endif