diff options
Diffstat (limited to 'include/asm-mips/sibyte/sb1250_smbus.h')
| -rw-r--r-- | include/asm-mips/sibyte/sb1250_smbus.h | 170 |
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 |
