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_IMX6Q           0x63
  40
  41 #define IMX_CHIP_REVISION_1_0           0x10
  42 #define IMX_CHIP_REVISION_1_1           0x11
  43 #define IMX_CHIP_REVISION_1_2           0x12
  44 #define IMX_CHIP_REVISION_1_3           0x13
  45 #define IMX_CHIP_REVISION_2_0           0x20
  46 #define IMX_CHIP_REVISION_2_1           0x21
  47 #define IMX_CHIP_REVISION_2_2           0x22
  48 #define IMX_CHIP_REVISION_2_3           0x23
  49 #define IMX_CHIP_REVISION_3_0           0x30
  50 #define IMX_CHIP_REVISION_3_1           0x31
  51 #define IMX_CHIP_REVISION_3_2           0x32
  52 #define IMX_CHIP_REVISION_3_3           0x33
  53 #define IMX_CHIP_REVISION_UNKNOWN       0xff
  54
  55 #ifndef __ASSEMBLY__
  56 extern unsigned int __mxc_cpu_type;
  57 #endif
  58
  59 #ifdef CONFIG_SOC_IMX1
  60 # ifdef mxc_cpu_type
  61 #  undef mxc_cpu_type
  62 #  define mxc_cpu_type __mxc_cpu_type
  63 # else
  64 #  define mxc_cpu_type MXC_CPU_MX1
  65 # endif
  66 # define cpu_is_mx1()           (mxc_cpu_type == MXC_CPU_MX1)
  67 #else
  68 # define cpu_is_mx1()           (0)
  69 #endif
  70
  71 #ifdef CONFIG_SOC_IMX21
  72 # ifdef mxc_cpu_type
  73 #  undef mxc_cpu_type
  74 #  define mxc_cpu_type __mxc_cpu_type
  75 # else
  76 #  define mxc_cpu_type MXC_CPU_MX21
  77 # endif
  78 # define cpu_is_mx21()          (mxc_cpu_type == MXC_CPU_MX21)
  79 #else
  80 # define cpu_is_mx21()          (0)
  81 #endif
  82
  83 #ifdef CONFIG_SOC_IMX25
  84 # ifdef mxc_cpu_type
  85 #  undef mxc_cpu_type
  86 #  define mxc_cpu_type __mxc_cpu_type
  87 # else
  88 #  define mxc_cpu_type MXC_CPU_MX25
  89 # endif
  90 # define cpu_is_mx25()          (mxc_cpu_type == MXC_CPU_MX25)
  91 #else
  92 # define cpu_is_mx25()          (0)
  93 #endif
  94
  95 #ifdef CONFIG_SOC_IMX27
  96 # ifdef mxc_cpu_type
  97 #  undef mxc_cpu_type
  98 #  define mxc_cpu_type __mxc_cpu_type
  99 # else
 100 #  define mxc_cpu_type MXC_CPU_MX27
 101 # endif
 102 # define cpu_is_mx27()          (mxc_cpu_type == MXC_CPU_MX27)
 103 #else
 104 # define cpu_is_mx27()          (0)
 105 #endif
 106
 107 #ifdef CONFIG_SOC_IMX31
 108 # ifdef mxc_cpu_type
 109 #  undef mxc_cpu_type
 110 #  define mxc_cpu_type __mxc_cpu_type
 111 # else
 112 #  define mxc_cpu_type MXC_CPU_MX31
 113 # endif
 114 # define cpu_is_mx31()          (mxc_cpu_type == MXC_CPU_MX31)
 115 #else
 116 # define cpu_is_mx31()          (0)
 117 #endif
 118
 119 #ifdef CONFIG_SOC_IMX35
 120 # ifdef mxc_cpu_type
 121 #  undef mxc_cpu_type
 122 #  define mxc_cpu_type __mxc_cpu_type
 123 # else
 124 #  define mxc_cpu_type MXC_CPU_MX35
 125 # endif
 126 # define cpu_is_mx35()          (mxc_cpu_type == MXC_CPU_MX35)
 127 #else
 128 # define cpu_is_mx35()          (0)
 129 #endif
 130
 131 #ifdef CONFIG_SOC_IMX51
 132 # ifdef mxc_cpu_type
 133 #  undef mxc_cpu_type
 134 #  define mxc_cpu_type __mxc_cpu_type
 135 # else
 136 #  define mxc_cpu_type MXC_CPU_MX51
 137 # endif
 138 # define cpu_is_mx51()          (mxc_cpu_type == MXC_CPU_MX51)
 139 #else
 140 # define cpu_is_mx51()          (0)
 141 #endif
 142
 143 #ifdef CONFIG_SOC_IMX53
 144 # ifdef mxc_cpu_type
 145 #  undef mxc_cpu_type
 146 #  define mxc_cpu_type __mxc_cpu_type
 147 # else
 148 #  define mxc_cpu_type MXC_CPU_MX53
 149 # endif
 150 # define cpu_is_mx53()          (mxc_cpu_type == MXC_CPU_MX53)
 151 #else
 152 # define cpu_is_mx53()          (0)
 153 #endif
 154
 155 #ifndef __ASSEMBLY__
 156 static inline bool cpu_is_imx6dl(void)
 157 {
 158         return __mxc_cpu_type == MXC_CPU_IMX6DL;
 159 }
 160
 161 static inline bool cpu_is_imx6q(void)
 162 {
 163         return __mxc_cpu_type == MXC_CPU_IMX6Q;
 164 }
 165
 166 struct cpu_op {
 167         u32 cpu_rate;
 168 };
 169
 170 int tzic_enable_wake(void);
 171
 172 extern struct cpu_op *(*get_cpu_op)(int *op);
 173 #endif
 174
 175 #define cpu_is_mx3()    (cpu_is_mx31() || cpu_is_mx35())
 176 #define cpu_is_mx2()    (cpu_is_mx21() || cpu_is_mx27())
 177
 178 #endif /*  __ASM_ARCH_MXC_H__ */