LXR linux/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 */
  84unsigned 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)                        \
 101static 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)                  \
 109static inline int is_omap ##subclass (void)             \
 110{                                                       \
 111        return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0;     \
 112}
 113
 114IS_OMAP_CLASS(7xx, 0x07)
 115IS_OMAP_CLASS(15xx, 0x15)
 116IS_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)                          \
 172static inline int is_omap ##type (void)                 \
 173{                                                       \
 174        return (GET_OMAP_TYPE == (id)) ? 1 : 0;         \
 175}
 176
 177IS_OMAP_TYPE(310, 0x0310)
 178IS_OMAP_TYPE(1510, 0x1510)
 179IS_OMAP_TYPE(1610, 0x1610)
 180IS_OMAP_TYPE(1611, 0x1611)
 181IS_OMAP_TYPE(5912, 0x1611)
 182IS_OMAP_TYPE(1621, 0x1621)
 183IS_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
 235