arch/arm/mach-imx/mxc.h

   1 /*
   2  * Copyright 2004-2007, 2010-2015 Freescale Semiconductor, Inc.
   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 #define MXC_CPU_IMX7D           0x72
  42
  43 #define IMX_DDR_TYPE_LPDDR2             1
  44
  45 #ifndef __ASSEMBLY__
  46 extern unsigned int __mxc_cpu_type;
  47 #endif
  48
  49 #ifdef CONFIG_SOC_IMX1
  50 # ifdef mxc_cpu_type
  51 #  undef mxc_cpu_type
  52 #  define mxc_cpu_type __mxc_cpu_type
  53 # else
  54 #  define mxc_cpu_type MXC_CPU_MX1
  55 # endif
  56 # define cpu_is_mx1()           (mxc_cpu_type == MXC_CPU_MX1)
  57 #else
  58 # define cpu_is_mx1()           (0)
  59 #endif
  60
  61 #ifdef CONFIG_SOC_IMX21
  62 # ifdef mxc_cpu_type
  63 #  undef mxc_cpu_type
  64 #  define mxc_cpu_type __mxc_cpu_type
  65 # else
  66 #  define mxc_cpu_type MXC_CPU_MX21
  67 # endif
  68 # define cpu_is_mx21()          (mxc_cpu_type == MXC_CPU_MX21)
  69 #else
  70 # define cpu_is_mx21()          (0)
  71 #endif
  72
  73 #ifdef CONFIG_SOC_IMX25
  74 # ifdef mxc_cpu_type
  75 #  undef mxc_cpu_type
  76 #  define mxc_cpu_type __mxc_cpu_type
  77 # else
  78 #  define mxc_cpu_type MXC_CPU_MX25
  79 # endif
  80 # define cpu_is_mx25()          (mxc_cpu_type == MXC_CPU_MX25)
  81 #else
  82 # define cpu_is_mx25()          (0)
  83 #endif
  84
  85 #ifdef CONFIG_SOC_IMX27
  86 # ifdef mxc_cpu_type
  87 #  undef mxc_cpu_type
  88 #  define mxc_cpu_type __mxc_cpu_type
  89 # else
  90 #  define mxc_cpu_type MXC_CPU_MX27
  91 # endif
  92 # define cpu_is_mx27()          (mxc_cpu_type == MXC_CPU_MX27)
  93 #else
  94 # define cpu_is_mx27()          (0)
  95 #endif
  96
  97 #ifdef CONFIG_SOC_IMX31
  98 # ifdef mxc_cpu_type
  99 #  undef mxc_cpu_type
 100 #  define mxc_cpu_type __mxc_cpu_type
 101 # else
 102 #  define mxc_cpu_type MXC_CPU_MX31
 103 # endif
 104 # define cpu_is_mx31()          (mxc_cpu_type == MXC_CPU_MX31)
 105 #else
 106 # define cpu_is_mx31()          (0)
 107 #endif
 108
 109 #ifdef CONFIG_SOC_IMX35
 110 # ifdef mxc_cpu_type
 111 #  undef mxc_cpu_type
 112 #  define mxc_cpu_type __mxc_cpu_type
 113 # else
 114 #  define mxc_cpu_type MXC_CPU_MX35
 115 # endif
 116 # define cpu_is_mx35()          (mxc_cpu_type == MXC_CPU_MX35)
 117 #else
 118 # define cpu_is_mx35()          (0)
 119 #endif
 120
 121 #ifdef CONFIG_SOC_IMX51
 122 # ifdef mxc_cpu_type
 123 #  undef mxc_cpu_type
 124 #  define mxc_cpu_type __mxc_cpu_type
 125 # else
 126 #  define mxc_cpu_type MXC_CPU_MX51
 127 # endif
 128 # define cpu_is_mx51()          (mxc_cpu_type == MXC_CPU_MX51)
 129 #else
 130 # define cpu_is_mx51()          (0)
 131 #endif
 132
 133 #ifdef CONFIG_SOC_IMX53
 134 # ifdef mxc_cpu_type
 135 #  undef mxc_cpu_type
 136 #  define mxc_cpu_type __mxc_cpu_type
 137 # else
 138 #  define mxc_cpu_type MXC_CPU_MX53
 139 # endif
 140 # define cpu_is_mx53()          (mxc_cpu_type == MXC_CPU_MX53)
 141 #else
 142 # define cpu_is_mx53()          (0)
 143 #endif
 144
 145 #ifndef __ASSEMBLY__
 146 #ifdef CONFIG_SOC_IMX6SL
 147 static inline bool cpu_is_imx6sl(void)
 148 {
 149         return __mxc_cpu_type == MXC_CPU_IMX6SL;
 150 }
 151 #else
 152 static inline bool cpu_is_imx6sl(void)
 153 {
 154         return false;
 155 }
 156 #endif
 157
 158 static inline bool cpu_is_imx6dl(void)
 159 {
 160         return __mxc_cpu_type == MXC_CPU_IMX6DL;
 161 }
 162
 163 static inline bool cpu_is_imx6sx(void)
 164 {
 165         return __mxc_cpu_type == MXC_CPU_IMX6SX;
 166 }
 167
 168 static inline bool cpu_is_imx6q(void)
 169 {
 170         return __mxc_cpu_type == MXC_CPU_IMX6Q;
 171 }
 172
 173 static inline bool cpu_is_imx7d(void)
 174 {
 175         return __mxc_cpu_type == MXC_CPU_IMX7D;
 176 }
 177
 178 struct cpu_op {
 179         u32 cpu_rate;
 180 };
 181
 182 int tzic_enable_wake(void);
 183
 184 extern struct cpu_op *(*get_cpu_op)(int *op);
 185 #endif
 186
 187 #define cpu_is_mx3()    (cpu_is_mx31() || cpu_is_mx35())
 188 #define cpu_is_mx2()    (cpu_is_mx21() || cpu_is_mx27())
 189
 190 #endif /*  __ASM_ARCH_MXC_H__ */