arch/arm/plat-mxc/include/mach/mxc.h

   1 /*
   2  * Copyright 2004-2007 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 #ifndef __ASM_ARCH_MXC_HARDWARE_H__
  24 #error "Do not include directly."
  25 #endif
  26
  27 #define MXC_CPU_MX1             1
  28 #define MXC_CPU_MX21            21
  29 #define MXC_CPU_MX27            27
  30 #define MXC_CPU_MX31            31
  31 #define MXC_CPU_MX35            35
  32
  33 #ifndef __ASSEMBLY__
  34 extern unsigned int __mxc_cpu_type;
  35 #endif
  36
  37 #ifdef CONFIG_ARCH_MX1
  38 # ifdef mxc_cpu_type
  39 #  undef mxc_cpu_type
  40 #  define mxc_cpu_type __mxc_cpu_type
  41 # else
  42 #  define mxc_cpu_type MXC_CPU_MX1
  43 # endif
  44 # define cpu_is_mx1()           (mxc_cpu_type == MXC_CPU_MX1)
  45 #else
  46 # define cpu_is_mx1()           (0)
  47 #endif
  48
  49 #ifdef CONFIG_MACH_MX21
  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_MX21
  55 # endif
  56 # define cpu_is_mx21()          (mxc_cpu_type == MXC_CPU_MX21)
  57 #else
  58 # define cpu_is_mx21()          (0)
  59 #endif
  60
  61 #ifdef CONFIG_MACH_MX27
  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_MX27
  67 # endif
  68 # define cpu_is_mx27()          (mxc_cpu_type == MXC_CPU_MX27)
  69 #else
  70 # define cpu_is_mx27()          (0)
  71 #endif
  72
  73 #ifdef CONFIG_ARCH_MX31
  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_MX31
  79 # endif
  80 # define cpu_is_mx31()          (mxc_cpu_type == MXC_CPU_MX31)
  81 #else
  82 # define cpu_is_mx31()          (0)
  83 #endif
  84
  85 #ifdef CONFIG_ARCH_MX35
  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_MX35
  91 # endif
  92 # define cpu_is_mx35()          (mxc_cpu_type == MXC_CPU_MX35)
  93 #else
  94 # define cpu_is_mx35()          (0)
  95 #endif
  96
  97 #if defined(CONFIG_ARCH_MX3) || defined(CONFIG_ARCH_MX2)
  98 #define CSCR_U(n) (IO_ADDRESS(WEIM_BASE_ADDR) + n * 0x10)
  99 #define CSCR_L(n) (IO_ADDRESS(WEIM_BASE_ADDR) + n * 0x10 + 0x4)
 100 #define CSCR_A(n) (IO_ADDRESS(WEIM_BASE_ADDR) + n * 0x10 + 0x8)
 101 #endif
 102
 103 #define cpu_is_mx3()    (cpu_is_mx31() || cpu_is_mx35())
 104 #define cpu_is_mx2()    (cpu_is_mx21() || cpu_is_mx27())
 105
 106 #endif /*  __ASM_ARCH_MXC_H__ */