release/src-rt/cfe/cfe/arch/mips/cpu/bcmcore/include/cpu_config.h

   1 /*  *********************************************************************
   2     *  Broadcom Common Firmware Environment (CFE)
   3     *
   4     *  CPU Configuration file                   File: cpu_config.h
   5     *
   6     *  This file contains the names of the routines to be used
   7     *  in the dispatch table in init_mips.S
   8     *
   9     *  It lives here in the CPU directory so we can direct
  10     *  the init calls to routines named in this directory.
  11     *
  12     *  Author:  Mitch Lichtenberg (mpl@broadcom.com)
  13     *
  14     *********************************************************************
  15     *
  16     *  XX Copyright 2000,2001
  17     *  Broadcom Corporation. All rights reserved.
  18     *
  19     *  BROADCOM PROPRIETARY AND CONFIDENTIAL
  20     *
  21     *  This software is furnished under license and may be used and
  22     *  copied only in accordance with the license.
  23     ********************************************************************* */
  24
  25 /*
  26  */
  27
  28 #define CPUCFG_CPUINIT          bcmcore_cpuinit
  29 #define CPUCFG_ALTCPU_START1    bcmcore_null
  30 #define CPUCFG_ALTCPU_START2    bcmcore_null
  31 #define CPUCFG_ALTCPU_RESET     bcmcore_null
  32 #define CPUCFG_CPURESTART       bcmcore_cpurestart
  33 #define CPUCFG_DRAMINIT         board_draminit          /* no dram on CPU */
  34 #define CPUCFG_CACHEOPS         bcmcore_cacheops
  35 #define CPUCFG_ARENAINIT        bcmcore_arena_init
  36 #define CPUCFG_PAGETBLINIT      bcmcore_pagetable_init
  37 #define CPUCFG_TLBHANDLER       bcmcore_tlbhandler
  38 #define CPUCFG_DIAG_TEST1       bcmcore_null
  39 #define CPUCFG_DIAG_TEST2       bcmcore_null
  40
  41 /*
  42  * The BCMCORE ticks CP0 every other cycle.
  43  */
  44
  45 #define CPUCFG_CYCLESPERCPUTICK 2
  46
  47 /*
  48  * Hazard macro
  49  */
  50
  51 #define HAZARD nop ; nop ; nop ; nop ; nop ; nop ; nop
  52
  53 /*
  54  * Return from exception macro
  55  */
  56
  57 #ifdef BCM4710
  58 #define ERET \
  59                 .set push ; \
  60                 .set mips4 ; \
  61                 nop ; \
  62                 nop ; \
  63                 eret ; \
  64                 .set pop
  65 #else
  66 #define ERET \
  67                 .set push ; \
  68                 .set mips4 ; \
  69                 eret ; \
  70                 .set pop
  71 #endif