sb1250_l2c.h

一个很好的嵌入式linux平台下的bootloader

/*  *********************************************************************
    *  SB1250 Board Support Package
    *  
    *  L2 Cache constants and macros		File: sb1250_l2c.h
    *  
    *  This module contains constants useful for manipulating the
    *  level 2 cache.
    *  
    *  SB1250 specification level:  User's manual 1/02/02
    *  
    *********************************************************************  
    *
    *  Copyright 2000,2001,2002,2003
    *  Broadcom Corporation. All rights reserved.
    *  
    *  This software is furnished under license and may be used and 
    *  copied only in accordance with the following terms and 
    *  conditions.  Subject to these conditions, you may download, 
    *  copy, install, use, modify and distribute modified or unmodified 
    *  copies of this software in source and/or binary form.  No title 
    *  or ownership is transferred hereby.
    *  
    *  1) Any source code used, modified or distributed must reproduce 
    *     and retain this copyright notice and list of conditions 
    *     as they appear in the source file.
    *  
    *  2) No right is granted to use any trade name, trademark, or 
    *     logo of Broadcom Corporation.  The "Broadcom Corporation" 
    *     name may not be used to endorse or promote products derived 
    *     from this software without the prior written permission of 
    *     Broadcom Corporation.
    *  
    *  3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR
    *     IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED
    *     WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 
    *     PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT 
    *     SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN 
    *     PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT,
    *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
    *     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
    *     GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
    *     BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 
    *     OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 
    *     TORT (INCLUDING NEGLIGENCE OR OTHERWISE), EVEN IF ADVISED OF 
    *     THE POSSIBILITY OF SUCH DAMAGE.
    ********************************************************************* */


#ifndef _SB1250_L2C_H
#define _SB1250_L2C_H

#include "sb1250_defs.h"

/*
 * Level 2 Cache Tag register (Table 5-3)
 */

#define S_L2C_TAG_MBZ               0
#define M_L2C_TAG_MBZ               _SB_MAKEMASK(5,S_L2C_TAG_MBZ)

#define S_L2C_TAG_INDEX             5
#define M_L2C_TAG_INDEX             _SB_MAKEMASK(12,S_L2C_TAG_INDEX)
#define V_L2C_TAG_INDEX(x)          _SB_MAKEVALUE(x,S_L2C_TAG_INDEX)
#define G_L2C_TAG_INDEX(x)          _SB_GETVALUE(x,S_L2C_TAG_INDEX,M_L2C_TAG_INDEX)

#define S_L2C_TAG_TAG               17
#define M_L2C_TAG_TAG               _SB_MAKEMASK(23,S_L2C_TAG_TAG)
#define V_L2C_TAG_TAG(x)            _SB_MAKEVALUE(x,S_L2C_TAG_TAG)
#define G_L2C_TAG_TAG(x)            _SB_GETVALUE(x,S_L2C_TAG_TAG,M_L2C_TAG_TAG)

#define S_L2C_TAG_ECC               40
#define M_L2C_TAG_ECC               _SB_MAKEMASK(6,S_L2C_TAG_ECC)
#define V_L2C_TAG_ECC(x)            _SB_MAKEVALUE(x,S_L2C_TAG_ECC)
#define G_L2C_TAG_ECC(x)            _SB_GETVALUE(x,S_L2C_TAG_ECC,M_L2C_TAG_ECC)

#define S_L2C_TAG_WAY               46
#define M_L2C_TAG_WAY               _SB_MAKEMASK(2,S_L2C_TAG_WAY)
#define V_L2C_TAG_WAY(x)            _SB_MAKEVALUE(x,S_L2C_TAG_WAY)
#define G_L2C_TAG_WAY(x)            _SB_GETVALUE(x,S_L2C_TAG_WAY,M_L2C_TAG_WAY)

#define M_L2C_TAG_DIRTY             _SB_MAKEMASK1(48)
#define M_L2C_TAG_VALID             _SB_MAKEMASK1(49)

/*
 * Format of level 2 cache management address (table 5-2)
 */

#define S_L2C_MGMT_INDEX            5
#define M_L2C_MGMT_INDEX            _SB_MAKEMASK(12,S_L2C_MGMT_INDEX)
#define V_L2C_MGMT_INDEX(x)         _SB_MAKEVALUE(x,S_L2C_MGMT_INDEX)
#define G_L2C_MGMT_INDEX(x)         _SB_GETVALUE(x,S_L2C_MGMT_INDEX,M_L2C_MGMT_INDEX)

#define S_L2C_MGMT_QUADRANT         15
#define M_L2C_MGMT_QUADRANT         _SB_MAKEMASK(2,S_L2C_MGMT_QUADRANT)
#define V_L2C_MGMT_QUADRANT(x)      _SB_MAKEVALUE(x,S_L2C_MGMT_QUADRANT)
#define G_L2C_MGMT_QUADRANT(x)      _SB_GETVALUE(x,S_L2C_MGMT_QUADRANT,M_L2C_MGMT_QUADRANT)

#define S_L2C_MGMT_HALF		    16
#define M_L2C_MGMT_HALF	            _SB_MAKEMASK(1,S_L2C_MGMT_HALF)

#define S_L2C_MGMT_WAY              17
#define M_L2C_MGMT_WAY              _SB_MAKEMASK(2,S_L2C_MGMT_WAY)
#define V_L2C_MGMT_WAY(x)           _SB_MAKEVALUE(x,S_L2C_MGMT_WAY)
#define G_L2C_MGMT_WAY(x)           _SB_GETVALUE(x,S_L2C_MGMT_WAY,M_L2C_MGMT_WAY)

#define S_L2C_MGMT_ECC_DIAG         21
#define M_L2C_MGMT_ECC_DIAG         _SB_MAKEMASK(2,S_L2C_MGMT_ECC_DIAG)
#define V_L2C_MGMT_ECC_DIAG(x)      _SB_MAKEVALUE(x,S_L2C_MGMT_ECC_DIAG)
#define G_L2C_MGMT_ECC_DIAG(x)      _SB_GETVALUE(x,S_L2C_MGMT_ECC_DIAG,M_L2C_MGMT_ECC_DIAG)

#define S_L2C_MGMT_TAG              23
#define M_L2C_MGMT_TAG              _SB_MAKEMASK(4,S_L2C_MGMT_TAG)
#define V_L2C_MGMT_TAG(x)           _SB_MAKEVALUE(x,S_L2C_MGMT_TAG)
#define G_L2C_MGMT_TAG(x)           _SB_GETVALUE(x,S_L2C_MGMT_TAG,M_L2C_MGMT_TAG)

#define M_L2C_MGMT_DIRTY            _SB_MAKEMASK1(19)
#define M_L2C_MGMT_VALID            _SB_MAKEMASK1(20)

#define A_L2C_MGMT_TAG_BASE         0x00D0000000

#define L2C_ENTRIES_PER_WAY       4096
#define L2C_NUM_WAYS              4


#if SIBYTE_HDR_FEATURE(1250, PASS3) || SIBYTE_HDR_FEATURE(112x, PASS1)
/*
 * L2 Read Misc. register (A_L2_READ_MISC)
 */
#define S_L2C_MISC_NO_WAY		10
#define M_L2C_MISC_NO_WAY		_SB_MAKEMASK(4,S_L2C_MISC_NO_WAY)
#define V_L2C_MISC_NO_WAY(x)		_SB_MAKEVALUE(x,S_L2C_MISC_NO_WAY)
#define G_L2C_MISC_NO_WAY(x)		_SB_GETVALUE(x,S_L2C_MISC_NO_WAY,M_L2C_MISC_NO_WAY)

#define M_L2C_MISC_ECC_CLEANUP_DIS	_SB_MAKEMASK1(9)
#define M_L2C_MISC_MC_PRIO_LOW		_SB_MAKEMASK1(8)
#define M_L2C_MISC_SOFT_DISABLE_T	_SB_MAKEMASK1(7)
#define M_L2C_MISC_SOFT_DISABLE_B	_SB_MAKEMASK1(6)
#define M_L2C_MISC_SOFT_DISABLE_R	_SB_MAKEMASK1(5)
#define M_L2C_MISC_SOFT_DISABLE_L	_SB_MAKEMASK1(4)
#define M_L2C_MISC_SCACHE_DISABLE_T	_SB_MAKEMASK1(3)
#define M_L2C_MISC_SCACHE_DISABLE_B	_SB_MAKEMASK1(2)
#define M_L2C_MISC_SCACHE_DISABLE_R	_SB_MAKEMASK1(1)
#define M_L2C_MISC_SCACHE_DISABLE_L	_SB_MAKEMASK1(0)
#endif /* 1250 PASS3 || 112x PASS1 */


#endif