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diff --git a/include/asm-mips/sibyte/sb1250_l2c.h b/include/asm-mips/sibyte/sb1250_l2c.h
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index 000000000000..799db828d963
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+++ b/include/asm-mips/sibyte/sb1250_l2c.h
@@ -0,0 +1,128 @@
+/* *********************************************************************
+ * 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
+ *
+ * Author: Mitch Lichtenberg
+ *
+ *********************************************************************
+ *
+ * Copyright 2000,2001,2002,2003
+ * 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_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_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
+
+
+#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