sys/arch/arm/xscale/pxa2x0cpu.h

   1 /*      $NetBSD: pxa2x0cpu.h,v 1.3 2006/12/17 16:03:33 peter Exp $ */
   2
   3 /*
   4  * Copyright (c) 2005  Genetec Corporation.  All rights reserved.
   5  * Written by Hiroyuki Bessho for Genetec Corporation.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. The name of Genetec Corporation may not be used to endorse or
  16  *    promote products derived from this software without specific prior
  17  *    written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GENETEC CORPORATION
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  *
  31  */
  32
  33 /*
  34  * In kernel config file, users can have options
  35  *    CPU_XSCALE_PXA250 and/or CPU_XSCALE_PXA270.
  36  *
  37  * If kernel is configured to support PXA250 and PXA270, CPU type is
  38  * determined run-time by reading a co-processor register.
  39  */
  40
  41 #ifndef _ARM_XSCALE_PXA2X0CPU_H
  42 #define _ARM_XSCALE_PXA2X0CPU_H
  43
  44 #ifdef  _KERNEL_OPT
  45 #include        "opt_cputypes.h" /* User's choice of CPU */
  46 #endif
  47
  48 #if !defined(CPU_XSCALE_PXA250) && !defined(CPU_XSCALE_PXA270)
  49 #error neither CPU_XSCALE_PXA250 nor CPU_XSCALE_PXA270 is defined.
  50 #endif
  51
  52 #if defined(CPU_XSCALE_PXA250) || defined(CPU_XSCALE_PXA270)
  53 # define  __CPU_XSCALE_PXA2XX
  54 #endif
  55
  56 #define CPU_ID_PXA_MASK (CPU_ID_IMPLEMETOR_MASK|CPU_ID_VARIANT_MASK|\
  57                          CPU_ID_ARCH_MASK|CPU_ID_XSCALE_COREGEN_MASK)
  58
  59 #define __CPU_IS_PXA250 ((cpufunc_id() & CPU_ID_XSCALE_COREGEN_MASK) == 0x2000)
  60 #define __CPU_IS_PXA270 ((cpufunc_id() & CPU_ID_XSCALE_COREGEN_MASK) == 0x4000)
  61
  62 # if defined(CPU_XSCALE_PXA250) && defined(CPU_XSCALE_PXA270)
  63 #define CPU_IS_PXA250   __CPU_IS_PXA250
  64 #define CPU_IS_PXA270   __CPU_IS_PXA270
  65 #elif defined(CPU_XSCALE_PXA250) && !defined(CPU_XSCALE_PXA270)
  66 #define CPU_IS_PXA250   (1)
  67 #define CPU_IS_PXA270   (0)
  68 #elif !defined(CPU_XSCALE_PXA250) && defined(CPU_XSCALE_PXA270)
  69 #define CPU_IS_PXA250   (0)
  70 #define CPU_IS_PXA270   (1)
  71 #elif !defined(CPU_XSCALE_PXA250) && !defined(CPU_XSCALE_PXA270)
  72 #define CPU_IS_PXA250   (0)
  73 #define CPU_IS_PXA270   (0)
  74 #endif
  75
  76 #include <arm/xscale/pxa2x0reg.h>
  77
  78 #ifdef  CPU_XSCALE_PXA270
  79 #define PXA2X0_GPIO_SIZE        PXA270_GPIO_SIZE
  80 #define GPIO_REG                PXA270_GPIO_REG
  81 #define GPIO_NPINS              PXA270_GPIO_NPINS
  82 #define PXA2X0_MEMCTL_SIZE      PXA270_MEMCTL_SIZE
  83 #define PXA2X0_USBDC_SIZE       PXA270_USBDC_SIZE
  84 #define PXA2X0_RTC_SIZE         PXA270_RTC_SIZE
  85 #else
  86 #define PXA2X0_GPIO_SIZE        PXA250_GPIO_SIZE
  87 #define GPIO_REG                PXA250_GPIO_REG
  88 #define GPIO_NPINS              PXA250_GPIO_NPINS
  89 #define PXA2X0_MEMCTL_SIZE      PXA250_MEMCTL_SIZE
  90 #define PXA2X0_USBDC_SIZE       PXA250_USBDC_SIZE
  91 #define PXA2X0_RTC_SIZE         PXA250_RTC_SIZE
  92 #endif
  93
  94 #endif  /* _ARM_XSCALE_PXA2X0CPU_H */