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_IMX6UL          0x64
  42 #define MXC_CPU_IMX7D           0x72
  43
  44 #define IMX_DDR_TYPE_LPDDR2             1
  45
  46 #ifndef __ASSEMBLY__
  47 extern unsigned int __mxc_cpu_type;
  48 #endif
  49
  50 #ifdef CONFIG_SOC_IMX1
  51 # ifdef mxc_cpu_type
  52 #  undef mxc_cpu_type
  53 #  define mxc_cpu_type __mxc_cpu_type
  54 # else
  55 #  define mxc_cpu_type MXC_CPU_MX1
  56 # endif
  57 # define cpu_is_mx1()           (mxc_cpu_type == MXC_CPU_MX1)
  58 #else
  59 # define cpu_is_mx1()           (0)
  60 #endif
  61
  62 #ifdef CONFIG_SOC_IMX21
  63 # ifdef mxc_cpu_type
  64 #  undef mxc_cpu_type
  65 #  define mxc_cpu_type __mxc_cpu_type
  66 # else
  67 #  define mxc_cpu_type MXC_CPU_MX21
  68 # endif
  69 # define cpu_is_mx21()          (mxc_cpu_type == MXC_CPU_MX21)
  70 #else
  71 # define cpu_is_mx21()          (0)
  72 #endif
  73
  74 #ifdef CONFIG_SOC_IMX25
  75 # ifdef mxc_cpu_type
  76 #  undef mxc_cpu_type
  77 #  define mxc_cpu_type __mxc_cpu_type
  78 # else
  79 #  define mxc_cpu_type MXC_CPU_MX25
  80 # endif
  81 # define cpu_is_mx25()          (mxc_cpu_type == MXC_CPU_MX25)
  82 #else
  83 # define cpu_is_mx25()          (0)
  84 #endif
  85
  86 #ifdef CONFIG_SOC_IMX27
  87 # ifdef mxc_cpu_type
  88 #  undef mxc_cpu_type
  89 #  define mxc_cpu_type __mxc_cpu_type
  90 # else
  91 #  define mxc_cpu_type MXC_CPU_MX27
  92 # endif
  93 # define cpu_is_mx27()          (mxc_cpu_type == MXC_CPU_MX27)
  94 #else
  95 # define cpu_is_mx27()          (0)
  96 #endif
  97
  98 #ifdef CONFIG_SOC_IMX31
  99 # ifdef mxc_cpu_type
 100 #  undef mxc_cpu_type
 101 #  define mxc_cpu_type __mxc_cpu_type
 102 # else
 103 #  define mxc_cpu_type MXC_CPU_MX31
 104 # endif
 105 # define cpu_is_mx31()          (mxc_cpu_type == MXC_CPU_MX31)
 106 #else
 107 # define cpu_is_mx31()          (0)
 108 #endif
 109
 110 #ifdef CONFIG_SOC_IMX35
 111 # ifdef mxc_cpu_type
 112 #  undef mxc_cpu_type
 113 #  define mxc_cpu_type __mxc_cpu_type
 114 # else
 115 #  define mxc_cpu_type MXC_CPU_MX35
 116 # endif
 117 # define cpu_is_mx35()          (mxc_cpu_type == MXC_CPU_MX35)
 118 #else
 119 # define cpu_is_mx35()          (0)
 120 #endif
 121
 122 #ifdef CONFIG_SOC_IMX51
 123 # ifdef mxc_cpu_type
 124 #  undef mxc_cpu_type
 125 #  define mxc_cpu_type __mxc_cpu_type
 126 # else
 127 #  define mxc_cpu_type MXC_CPU_MX51
 128 # endif
 129 # define cpu_is_mx51()          (mxc_cpu_type == MXC_CPU_MX51)
 130 #else
 131 # define cpu_is_mx51()          (0)
 132 #endif
 133
 134 #ifdef CONFIG_SOC_IMX53
 135 # ifdef mxc_cpu_type
 136 #  undef mxc_cpu_type
 137 #  define mxc_cpu_type __mxc_cpu_type
 138 # else
 139 #  define mxc_cpu_type MXC_CPU_MX53
 140 # endif
 141 # define cpu_is_mx53()          (mxc_cpu_type == MXC_CPU_MX53)
 142 #else
 143 # define cpu_is_mx53()          (0)
 144 #endif
 145
 146 #ifndef __ASSEMBLY__
 147 #ifdef CONFIG_SOC_IMX6SL
 148 static inline bool cpu_is_imx6sl(void)
 149 {
 150         return __mxc_cpu_type == MXC_CPU_IMX6SL;
 151 }
 152 #else
 153 static inline bool cpu_is_imx6sl(void)
 154 {
 155         return false;
 156 }
 157 #endif
 158
 159 static inline bool cpu_is_imx6dl(void)
 160 {
 161         return __mxc_cpu_type == MXC_CPU_IMX6DL;
 162 }
 163
 164 static inline bool cpu_is_imx6sx(void)
 165 {
 166         return __mxc_cpu_type == MXC_CPU_IMX6SX;
 167 }
 168
 169 static inline bool cpu_is_imx6ul(void)
 170 {
 171         return __mxc_cpu_type == MXC_CPU_IMX6UL;
 172 }
 173
 174 static inline bool cpu_is_imx6q(void)
 175 {
 176         return __mxc_cpu_type == MXC_CPU_IMX6Q;
 177 }
 178
 179 static inline bool cpu_is_imx7d(void)
 180 {
 181         return __mxc_cpu_type == MXC_CPU_IMX7D;
 182 }
 183
 184 struct cpu_op {
 185         u32 cpu_rate;
 186 };
 187
 188 int tzic_enable_wake(void);
 189
 190 extern struct cpu_op *(*get_cpu_op)(int *op);
 191 #endif
 192
 193 #define cpu_is_mx3()    (cpu_is_mx31() || cpu_is_mx35())
 194 #define cpu_is_mx2()    (cpu_is_mx21() || cpu_is_mx27())
 195
 196 #define imx_readl       readl_relaxed
 197 #define imx_readw       readw_relaxed
 198 #define imx_writel      writel_relaxed
 199 #define imx_writew      writew_relaxed
 200
 201 #endif /*  __ASM_ARCH_MXC_H__ */