1 files changed, 170 insertions, 0 deletions

diff --git a/include/asm-mips/sibyte/sb1250_smbus.h b/include/asm-mips/sibyte/sb1250_smbus.h
new file mode 100644
index 000000000000..287cbfe9efa2
--- /dev/null
+++ b/include/asm-mips/sibyte/sb1250_smbus.h
@@ -0,0 +1,170 @@
+/*  *********************************************************************
+    *  SB1250 Board Support Package
+    *  
+    *  SMBUS Constants                          File: sb1250_smbus.h
+    *  
+    *  This module contains constants and macros useful for 
+    *  manipulating the SB1250's SMbus devices.
+    *  
+    *  SB1250 specification level:  01/02/2002
+    *  
+    *  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_SMBUS_H
+#define _SB1250_SMBUS_H
+
+#include "sb1250_defs.h"
+
+/*
+ * SMBus Clock Frequency Register (Table 14-2)
+ */
+
+#define S_SMB_FREQ_DIV              0
+#define M_SMB_FREQ_DIV              _SB_MAKEMASK(13,S_SMB_FREQ_DIV)
+#define V_SMB_FREQ_DIV(x)           _SB_MAKEVALUE(x,S_SMB_FREQ_DIV)
+
+#define K_SMB_FREQ_400KHZ           0x1F
+#define K_SMB_FREQ_100KHZ           0x7D
+
+#define S_SMB_CMD                   0
+#define M_SMB_CMD                   _SB_MAKEMASK(8,S_SMB_CMD)
+#define V_SMB_CMD(x)                _SB_MAKEVALUE(x,S_SMB_CMD)
+
+/*
+ * SMBus control register (Table 14-4)
+ */
+
+#define M_SMB_ERR_INTR              _SB_MAKEMASK1(0)
+#define M_SMB_FINISH_INTR           _SB_MAKEMASK1(1)
+#define M_SMB_DATA_OUT              _SB_MAKEMASK1(4)
+#define M_SMB_DATA_DIR              _SB_MAKEMASK1(5)
+#define M_SMB_DATA_DIR_OUTPUT       M_SMB_DATA_DIR
+#define M_SMB_CLK_OUT               _SB_MAKEMASK1(6)
+#define M_SMB_DIRECT_ENABLE         _SB_MAKEMASK1(7)
+
+/*
+ * SMBus status registers (Table 14-5)
+ */
+
+#define M_SMB_BUSY                  _SB_MAKEMASK1(0)
+#define M_SMB_ERROR                 _SB_MAKEMASK1(1)
+#define M_SMB_ERROR_TYPE            _SB_MAKEMASK1(2)
+#define M_SMB_REF                   _SB_MAKEMASK1(6)
+#define M_SMB_DATA_IN               _SB_MAKEMASK1(7)
+
+/*
+ * SMBus Start/Command registers (Table 14-9)
+ */
+
+#define S_SMB_ADDR                  0
+#define M_SMB_ADDR                  _SB_MAKEMASK(7,S_SMB_ADDR)
+#define V_SMB_ADDR(x)               _SB_MAKEVALUE(x,S_SMB_ADDR)
+#define G_SMB_ADDR(x)               _SB_GETVALUE(x,S_SMB_ADDR,M_SMB_ADDR)
+
+#define M_SMB_QDATA                 _SB_MAKEMASK1(7)
+
+#define S_SMB_TT                    8
+#define M_SMB_TT                    _SB_MAKEMASK(3,S_SMB_TT)
+#define V_SMB_TT(x)                 _SB_MAKEVALUE(x,S_SMB_TT)
+#define G_SMB_TT(x)                 _SB_GETVALUE(x,S_SMB_TT,M_SMB_TT)
+
+#define K_SMB_TT_WR1BYTE            0
+#define K_SMB_TT_WR2BYTE            1
+#define K_SMB_TT_WR3BYTE            2
+#define K_SMB_TT_CMD_RD1BYTE        3
+#define K_SMB_TT_CMD_RD2BYTE        4
+#define K_SMB_TT_RD1BYTE            5
+#define K_SMB_TT_QUICKCMD           6
+#define K_SMB_TT_EEPROMREAD         7
+
+#define V_SMB_TT_WR1BYTE            V_SMB_TT(K_SMB_TT_WR1BYTE)
+#define V_SMB_TT_WR2BYTE            V_SMB_TT(K_SMB_TT_WR2BYTE)
+#define V_SMB_TT_WR3BYTE            V_SMB_TT(K_SMB_TT_WR3BYTE)
+#define V_SMB_TT_CMD_RD1BYTE        V_SMB_TT(K_SMB_TT_CMD_RD1BYTE)
+#define V_SMB_TT_CMD_RD2BYTE        V_SMB_TT(K_SMB_TT_CMD_RD2BYTE)
+#define V_SMB_TT_RD1BYTE            V_SMB_TT(K_SMB_TT_RD1BYTE)
+#define V_SMB_TT_QUICKCMD           V_SMB_TT(K_SMB_TT_QUICKCMD)
+#define V_SMB_TT_EEPROMREAD         V_SMB_TT(K_SMB_TT_EEPROMREAD)
+
+#define M_SMB_PEC                   _SB_MAKEMASK1(15)
+
+/*
+ * SMBus Data Register (Table 14-6) and SMBus Extra Register (Table 14-7)
+ */
+
+#define S_SMB_LB                    0
+#define M_SMB_LB                    _SB_MAKEMASK(8,S_SMB_LB)
+#define V_SMB_LB(x)                 _SB_MAKEVALUE(x,S_SMB_LB)
+
+#define S_SMB_MB                    8
+#define M_SMB_MB                    _SB_MAKEMASK(8,S_SMB_MB)
+#define V_SMB_MB(x)                 _SB_MAKEVALUE(x,S_SMB_MB)
+
+
+/*
+ * SMBus Packet Error Check register (Table 14-8)
+ */
+
+#define S_SPEC_PEC                  0
+#define M_SPEC_PEC                  _SB_MAKEMASK(8,S_SPEC_PEC)
+#define V_SPEC_MB(x)                _SB_MAKEVALUE(x,S_SPEC_PEC)
+
+
+#if SIBYTE_HDR_FEATURE(1250, PASS2) || SIBYTE_HDR_FEATURE(112x, PASS1)
+
+#define S_SMB_CMDH                  8
+#define M_SMB_CMDH                  _SB_MAKEMASK(8,S_SMBH_CMD)
+#define V_SMB_CMDH(x)               _SB_MAKEVALUE(x,S_SMBH_CMD)
+
+#define M_SMB_EXTEND                _SB_MAKEMASK1(14)
+
+#define M_SMB_DIR                   _SB_MAKEMASK1(13)
+
+#define S_SMB_DFMT                  8
+#define M_SMB_DFMT                  _SB_MAKEMASK(3,S_SMB_DFMT)
+#define V_SMB_DFMT(x)               _SB_MAKEVALUE(x,S_SMB_DFMT)
+#define G_SMB_DFMT(x)               _SB_GETVALUE(x,S_SMB_DFMT,M_SMB_DFMT)
+
+#define K_SMB_DFMT_1BYTE            0
+#define K_SMB_DFMT_2BYTE            1
+#define K_SMB_DFMT_3BYTE            2
+#define K_SMB_DFMT_4BYTE            3
+#define K_SMB_DFMT_NODATA           4
+#define K_SMB_DFMT_CMD4BYTE         5
+#define K_SMB_DFMT_CMD5BYTE         6
+#define K_SMB_DFMT_RESERVED         7
+
+#define V_SMB_DFMT_1BYTE            V_SMB_DFMT(K_SMB_DFMT_1BYTE)
+#define V_SMB_DFMT_2BYTE            V_SMB_DFMT(K_SMB_DFMT_2BYTE)
+#define V_SMB_DFMT_3BYTE            V_SMB_DFMT(K_SMB_DFMT_3BYTE)
+#define V_SMB_DFMT_4BYTE            V_SMB_DFMT(K_SMB_DFMT_4BYTE)
+#define V_SMB_DFMT_NODATA           V_SMB_DFMT(K_SMB_DFMT_NODATA)
+#define V_SMB_DFMT_CMD4BYTE         V_SMB_DFMT(K_SMB_DFMT_CMD4BYTE)
+#define V_SMB_DFMT_CMD5BYTE         V_SMB_DFMT(K_SMB_DFMT_CMD5BYTE)
+#define V_SMB_DFMT_RESERVED         V_SMB_DFMT(K_SMB_DFMT_RESERVED)
+
+#endif /* 1250 PASS2 || 112x PASS1 */
+
+#endif