/* ********************************************************************* * 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