arch/arm/plat-mxc/include/mach/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_MXC91231        91231
  37
  38 #ifndef __ASSEMBLY__
  39 extern unsigned int __mxc_cpu_type;
  40 #endif
  41
  42 #ifdef CONFIG_ARCH_MX1
  43 # ifdef mxc_cpu_type
  44 #  undef mxc_cpu_type
  45 #  define mxc_cpu_type __mxc_cpu_type
  46 # else
  47 #  define mxc_cpu_type MXC_CPU_MX1
  48 # endif
  49 # define cpu_is_mx1()           (mxc_cpu_type == MXC_CPU_MX1)
  50 #else
  51 # define cpu_is_mx1()           (0)
  52 #endif
  53
  54 #ifdef CONFIG_MACH_MX21
  55 # ifdef mxc_cpu_type
  56 #  undef mxc_cpu_type
  57 #  define mxc_cpu_type __mxc_cpu_type
  58 # else
  59 #  define mxc_cpu_type MXC_CPU_MX21
  60 # endif
  61 # define cpu_is_mx21()          (mxc_cpu_type == MXC_CPU_MX21)
  62 #else
  63 # define cpu_is_mx21()          (0)
  64 #endif
  65
  66 #ifdef CONFIG_ARCH_MX25
  67 # ifdef mxc_cpu_type
  68 #  undef mxc_cpu_type
  69 #  define mxc_cpu_type __mxc_cpu_type
  70 # else
  71 #  define mxc_cpu_type MXC_CPU_MX25
  72 # endif
  73 # define cpu_is_mx25()          (mxc_cpu_type == MXC_CPU_MX25)
  74 #else
  75 # define cpu_is_mx25()          (0)
  76 #endif
  77
  78 #ifdef CONFIG_MACH_MX27
  79 # ifdef mxc_cpu_type
  80 #  undef mxc_cpu_type
  81 #  define mxc_cpu_type __mxc_cpu_type
  82 # else
  83 #  define mxc_cpu_type MXC_CPU_MX27
  84 # endif
  85 # define cpu_is_mx27()          (mxc_cpu_type == MXC_CPU_MX27)
  86 #else
  87 # define cpu_is_mx27()          (0)
  88 #endif
  89
  90 #ifdef CONFIG_ARCH_MX31
  91 # ifdef mxc_cpu_type
  92 #  undef mxc_cpu_type
  93 #  define mxc_cpu_type __mxc_cpu_type
  94 # else
  95 #  define mxc_cpu_type MXC_CPU_MX31
  96 # endif
  97 # define cpu_is_mx31()          (mxc_cpu_type == MXC_CPU_MX31)
  98 #else
  99 # define cpu_is_mx31()          (0)
 100 #endif
 101
 102 #ifdef CONFIG_ARCH_MX35
 103 # ifdef mxc_cpu_type
 104 #  undef mxc_cpu_type
 105 #  define mxc_cpu_type __mxc_cpu_type
 106 # else
 107 #  define mxc_cpu_type MXC_CPU_MX35
 108 # endif
 109 # define cpu_is_mx35()          (mxc_cpu_type == MXC_CPU_MX35)
 110 #else
 111 # define cpu_is_mx35()          (0)
 112 #endif
 113
 114 #ifdef CONFIG_ARCH_MX5
 115 # ifdef mxc_cpu_type
 116 #  undef mxc_cpu_type
 117 #  define mxc_cpu_type __mxc_cpu_type
 118 # else
 119 #  define mxc_cpu_type MXC_CPU_MX51
 120 # endif
 121 # define cpu_is_mx51()          (mxc_cpu_type == MXC_CPU_MX51)
 122 #else
 123 # define cpu_is_mx51()          (0)
 124 #endif
 125
 126 #ifdef CONFIG_ARCH_MXC91231
 127 # ifdef mxc_cpu_type
 128 #  undef mxc_cpu_type
 129 #  define mxc_cpu_type __mxc_cpu_type
 130 # else
 131 #  define mxc_cpu_type MXC_CPU_MXC91231
 132 # endif
 133 # define cpu_is_mxc91231()      (mxc_cpu_type == MXC_CPU_MXC91231)
 134 #else
 135 # define cpu_is_mxc91231()      (0)
 136 #endif
 137
 138 #ifndef __ASSEMBLY__
 139
 140 struct cpu_op {
 141         u32 cpu_rate;
 142 };
 143
 144 extern struct cpu_op *(*get_cpu_op)(int *op);
 145 #endif
 146
 147 #if defined(CONFIG_ARCH_MX3) || defined(CONFIG_ARCH_MX2)
 148 /* These are deprecated, use mx[23][157]_setup_weimcs instead. */
 149 #define CSCR_U(n) (IO_ADDRESS(WEIM_BASE_ADDR + n * 0x10))
 150 #define CSCR_L(n) (IO_ADDRESS(WEIM_BASE_ADDR + n * 0x10 + 0x4))
 151 #define CSCR_A(n) (IO_ADDRESS(WEIM_BASE_ADDR + n * 0x10 + 0x8))
 152 #endif
 153
 154 #define cpu_is_mx3()    (cpu_is_mx31() || cpu_is_mx35() || cpu_is_mxc91231())
 155 #define cpu_is_mx2()    (cpu_is_mx21() || cpu_is_mx27())
 156
 157 #endif /*  __ASM_ARCH_MXC_H__ */