1 files changed, 131 insertions, 0 deletions

diff --git a/arch/mips/include/asm/sibyte/sb1250_l2c.h b/arch/mips/include/asm/sibyte/sb1250_l2c.h
new file mode 100644
index 000000000000..6554dcf05cfe
--- /dev/null
+++ b/arch/mips/include/asm/sibyte/sb1250_l2c.h
@@ -0,0 +1,131 @@
+/*  *********************************************************************
+    *  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 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_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