arch/arm/mach-imx/mxc.h

   1 /*
   2  * Copyright 2004-2007, 2010 Freescale Semiconductor, Inc. All Rights Reserved.
   3  * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version 2
   8  * of the License, or (at your option) any later version.
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  17  * MA 02110-1301, USA.
  18  */
  19
  20 #ifndef __ASM_ARCH_MXC_H__
  21 #define __ASM_ARCH_MXC_H__
  22
  23 #include <linux/types.h>
  24
  25 #ifndef __ASM_ARCH_MXC_HARDWARE_H__
  26 #error "Do not include directly."
  27 #endif
  28
  29 #define MXC_CPU_MX1             1
  30 #define MXC_CPU_MX21            21
  31 #define MXC_CPU_MX25            25
  32 #define MXC_CPU_MX27            27
  33 #define MXC_CPU_MX31            31
  34 #define MXC_CPU_MX35            35
  35 #define MXC_CPU_MX51            51
  36 #define MXC_CPU_MX53            53
  37 #define MXC_CPU_IMX6SL          0x60
  38 #define MXC_CPU_IMX6DL          0x61
  39 #define MXC_CPU_IMX6SX          0x62
  40 #define MXC_CPU_IMX6Q           0x63
  41
  42 #define IMX_DDR_TYPE_LPDDR2             1
  43
  44 #ifndef __ASSEMBLY__
  45 extern unsigned int __mxc_cpu_type;
  46 #endif
  47
  48 #ifdef CONFIG_SOC_IMX1
  49 # ifdef mxc_cpu_type
  50 #  undef mxc_cpu_type
  51 #  define mxc_cpu_type __mxc_cpu_type
  52 # else
  53 #  define mxc_cpu_type MXC_CPU_MX1
  54 # endif
  55 # define cpu_is_mx1()           (mxc_cpu_type == MXC_CPU_MX1)
  56 #else
  57 # define cpu_is_mx1()           (0)
  58 #endif
  59
  60 #ifdef CONFIG_SOC_IMX21
  61 # ifdef mxc_cpu_type
  62 #  undef mxc_cpu_type
  63 #  define mxc_cpu_type __mxc_cpu_type
  64 # else
  65 #  define mxc_cpu_type MXC_CPU_MX21
  66 # endif
  67 # define cpu_is_mx21()          (mxc_cpu_type == MXC_CPU_MX21)
  68 #else
  69 # define cpu_is_mx21()          (0)
  70 #endif
  71
  72 #ifdef CONFIG_SOC_IMX25
  73 # ifdef mxc_cpu_type
  74 #  undef mxc_cpu_type
  75 #  define mxc_cpu_type __mxc_cpu_type
  76 # else
  77 #  define mxc_cpu_type MXC_CPU_MX25
  78 # endif
  79 # define cpu_is_mx25()          (mxc_cpu_type == MXC_CPU_MX25)
  80 #else
  81 # define cpu_is_mx25()          (0)
  82 #endif
  83
  84 #ifdef CONFIG_SOC_IMX27
  85 # ifdef mxc_cpu_type
  86 #  undef mxc_cpu_type
  87 #  define mxc_cpu_type __mxc_cpu_type
  88 # else
  89 #  define mxc_cpu_type MXC_CPU_MX27
  90 # endif
  91 # define cpu_is_mx27()          (mxc_cpu_type == MXC_CPU_MX27)
  92 #else
  93 # define cpu_is_mx27()          (0)
  94 #endif
  95
  96 #ifdef CONFIG_SOC_IMX31
  97 # ifdef mxc_cpu_type
  98 #  undef mxc_cpu_type
  99 #  define mxc_cpu_type __mxc_cpu_type
 100 # else
 101 #  define mxc_cpu_type MXC_CPU_MX31
 102 # endif
 103 # define cpu_is_mx31()          (mxc_cpu_type == MXC_CPU_MX31)
 104 #else
 105 # define cpu_is_mx31()          (0)
 106 #endif
 107
 108 #ifdef CONFIG_SOC_IMX35
 109 # ifdef mxc_cpu_type
 110 #  undef mxc_cpu_type
 111 #  define mxc_cpu_type __mxc_cpu_type
 112 # else
 113 #  define mxc_cpu_type MXC_CPU_MX35
 114 # endif
 115 # define cpu_is_mx35()          (mxc_cpu_type == MXC_CPU_MX35)
 116 #else
 117 # define cpu_is_mx35()          (0)
 118 #endif
 119
 120 #ifdef CONFIG_SOC_IMX51
 121 # ifdef mxc_cpu_type
 122 #  undef mxc_cpu_type
 123 #  define mxc_cpu_type __mxc_cpu_type
 124 # else
 125 #  define mxc_cpu_type MXC_CPU_MX51
 126 # endif
 127 # define cpu_is_mx51()          (mxc_cpu_type == MXC_CPU_MX51)
 128 #else
 129 # define cpu_is_mx51()          (0)
 130 #endif
 131
 132 #ifdef CONFIG_SOC_IMX53
 133 # ifdef mxc_cpu_type
 134 #  undef mxc_cpu_type
 135 #  define mxc_cpu_type __mxc_cpu_type
 136 # else
 137 #  define mxc_cpu_type MXC_CPU_MX53
 138 # endif
 139 # define cpu_is_mx53()          (mxc_cpu_type == MXC_CPU_MX53)
 140 #else
 141 # define cpu_is_mx53()          (0)
 142 #endif
 143
 144 #ifndef __ASSEMBLY__
 145 #ifdef CONFIG_SOC_IMX6SL
 146 static inline bool cpu_is_imx6sl(void)
 147 {
 148         return __mxc_cpu_type == MXC_CPU_IMX6SL;
 149 }
 150 #else
 151 static inline bool cpu_is_imx6sl(void)
 152 {
 153         return false;
 154 }
 155 #endif
 156
 157 static inline bool cpu_is_imx6dl(void)
 158 {
 159         return __mxc_cpu_type == MXC_CPU_IMX6DL;
 160 }
 161
 162 static inline bool cpu_is_imx6sx(void)
 163 {
 164         return __mxc_cpu_type == MXC_CPU_IMX6SX;
 165 }
 166
 167 static inline bool cpu_is_imx6q(void)
 168 {
 169         return __mxc_cpu_type == MXC_CPU_IMX6Q;
 170 }
 171
 172 struct cpu_op {
 173         u32 cpu_rate;
 174 };
 175
 176 int tzic_enable_wake(void);
 177
 178 extern struct cpu_op *(*get_cpu_op)(int *op);
 179 #endif
 180
 181 #define cpu_is_mx3()    (cpu_is_mx31() || cpu_is_mx35())
 182 #define cpu_is_mx2()    (cpu_is_mx21() || cpu_is_mx27())
 183
 184 #endif /*  __ASM_ARCH_MXC_H__ */