release/src-rt-6.x.4708/cfe/cfe/arch/mips/common/include/lib_hssubr.h

   1 /*  *********************************************************************
   2     *  Broadcom Common Firmware Environment (CFE)
   3     *
   4     *  "Hyperspace" access routines             File: lib_hssubr.h
   5     *
   6     *  Constants, macros, and definitions for routines to deal with
   7     *  hyperspace (beyond 256MB) on MIPS processors.
   8     *
   9     *  Author:  Mitch Lichtenberg (mpl@broadcom.com)
  10     *
  11     *********************************************************************
  12     *
  13     *  Copyright 2000,2001,2002,2003
  14     *  Broadcom Corporation. All rights reserved.
  15     *
  16     *  This software is furnished under license and may be used and
  17     *  copied only in accordance with the following terms and
  18     *  conditions.  Subject to these conditions, you may download,
  19     *  copy, install, use, modify and distribute modified or unmodified
  20     *  copies of this software in source and/or binary form.  No title
  21     *  or ownership is transferred hereby.
  22     *
  23     *  1) Any source code used, modified or distributed must reproduce
  24     *     and retain this copyright notice and list of conditions
  25     *     as they appear in the source file.
  26     *
  27     *  2) No right is granted to use any trade name, trademark, or
  28     *     logo of Broadcom Corporation.  The "Broadcom Corporation"
  29     *     name may not be used to endorse or promote products derived
  30     *     from this software without the prior written permission of
  31     *     Broadcom Corporation.
  32     *
  33     *  3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR
  34     *     IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED
  35     *     WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
  36     *     PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT
  37     *     SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN
  38     *     PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT,
  39     *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  40     *     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  41     *     GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  42     *     BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  43     *     OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  44     *     TORT (INCLUDING NEGLIGENCE OR OTHERWISE), EVEN IF ADVISED OF
  45     *     THE POSSIBILITY OF SUCH DAMAGE.
  46     ********************************************************************* */
  47
  48
  49 #ifndef _LIB_HSSUBR_H
  50 #define _LIB_HSSUBR_H
  51
  52 /*
  53  * If __long64 we can do this via macros.  Otherwise, call
  54  * the magic functions.
  55  */
  56
  57 #if __long64
  58
  59 typedef long hsaddr_t;
  60
  61 #define hs_write8(a,b) *((volatile uint8_t *) (a)) = (b)
  62 #define hs_write16(a,b) *((volatile uint16_t *) (a)) = (b)
  63 #define hs_write32(a,b) *((volatile uint32_t *) (a)) = (b)
  64 #define hs_write64(a,b) *((volatile uint32_t *) (a)) = (b)
  65 #define hs_read8(a) *((volatile uint8_t *) (a))
  66 #define hs_read16(a) *((volatile uint16_t *) (a))
  67 #define hs_read32(a) *((volatile uint32_t *) (a))
  68 #define hs_read64(a) *((volatile uint64_t *) (a))
  69
  70 #else   /* not __long64 */
  71
  72 typedef long long hsaddr_t;
  73
  74 extern void hs_write8(hsaddr_t a,uint8_t b);
  75 extern void hs_write16(hsaddr_t a,uint16_t b);
  76 extern void hs_write32(hsaddr_t a,uint32_t b);
  77 extern void hs_write64(hsaddr_t a,uint64_t b);
  78 extern uint8_t hs_read8(hsaddr_t a);
  79 extern uint16_t hs_read16(hsaddr_t a);
  80 extern uint32_t hs_read32(hsaddr_t a);
  81 extern uint64_t hs_read64(hsaddr_t a);
  82 #endif
  83
  84 #endif