patch-2.4.19 linux-2.4.19/include/asm-mips/sibyte/sb1250_l2c.h

• Lines: 98
• Date: Fri Aug 2 17:39:45 2002
• Orig file: linux-2.4.18/include/asm-mips/sibyte/sb1250_l2c.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.18/include/asm-mips/sibyte/sb1250_l2c.h linux-2.4.19/include/asm-mips/sibyte/sb1250_l2c.h
@@ -0,0 +1,97 @@
+/*  *********************************************************************
+    *  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:  0.2
+    *  
+    *  Author:  Mitch Lichtenberg (mitch@sibyte.com)
+    *  
+    *********************************************************************  
+    *
+    *  Copyright 2000,2001
+    *  Broadcom Corporation. All rights reserved.
+    *  
+    *  This program is free software; you can redistribute it and/or 
+    *  modify it under the terms of the GNU General Public License as 
+    *  published by the Free Software Foundation; either version 2 of 
+    *  the License, or (at your option) any later version.
+    *
+    *  This program is distributed in the hope that it will be useful,
+    *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+    *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    *  GNU General Public License for more details.
+    *
+    *  You should have received a copy of the GNU General Public License
+    *  along with this program; if not, write to the Free Software
+    *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, 
+    *  MA 02111-1307 USA
+    ********************************************************************* */
+
+
+#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_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_TAG              21
+#define M_L2C_MGMT_TAG              _SB_MAKEMASK(6,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
+
+#endif