/* SPDX-License-Identifier: GPL-2.0-or-later */ /* ********************************************************************* * 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: 10/21/02 * BCM1280 specification level: 11/24/03 * ********************************************************************* * * Copyright 2000,2001,2002,2003 * Broadcom Corporation. All rights reserved. * ********************************************************************* */ #ifndef _SB1250_SMBUS_H #define _SB1250_SMBUS_H #include <asm/sibyte/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 K_SMB_FREQ_10KHZ 1250 #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 S_SMB_DATA_OUT 4 #define M_SMB_DATA_OUT _SB_MAKEMASK1(S_SMB_DATA_OUT) #define V_SMB_DATA_OUT(x) _SB_MAKEVALUE(x, S_SMB_DATA_OUT) #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) #if SIBYTE_HDR_FEATURE(1250, PASS3) || SIBYTE_HDR_FEATURE(112x, PASS1) || SIBYTE_HDR_FEATURE_CHIP(1480) #define S_SMB_SCL_IN 5 #define M_SMB_SCL_IN _SB_MAKEMASK1(S_SMB_SCL_IN) #define V_SMB_SCL_IN(x) _SB_MAKEVALUE(x, S_SMB_SCL_IN) #define G_SMB_SCL_IN(x) _SB_GETVALUE(x, S_SMB_SCL_IN, M_SMB_SCL_IN) #endif /* 1250 PASS3 || 112x PASS1 || 1480 */ #define S_SMB_REF 6 #define M_SMB_REF _SB_MAKEMASK1(S_SMB_REF) #define V_SMB_REF(x) _SB_MAKEVALUE(x, S_SMB_REF) #define G_SMB_REF(x) _SB_GETVALUE(x, S_SMB_REF, M_SMB_REF) #define S_SMB_DATA_IN 7 #define M_SMB_DATA_IN _SB_MAKEMASK1(S_SMB_DATA_IN) #define V_SMB_DATA_IN(x) _SB_MAKEVALUE(x, S_SMB_DATA_IN) #define G_SMB_DATA_IN(x) _SB_GETVALUE(x, S_SMB_DATA_IN, M_SMB_DATA_IN) /* * 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) || SIBYTE_HDR_FEATURE_CHIP(1480) #define S_SMB_CMDH 8 #define M_SMB_CMDH _SB_MAKEMASK(8, S_SMB_CMDH) #define V_SMB_CMDH(x) _SB_MAKEVALUE(x, S_SMB_CMDH) #define M_SMB_EXTEND _SB_MAKEMASK1(14) #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) #define S_SMB_AFMT 11 #define M_SMB_AFMT _SB_MAKEMASK(2, S_SMB_AFMT) #define V_SMB_AFMT(x) _SB_MAKEVALUE(x, S_SMB_AFMT) #define G_SMB_AFMT(x) _SB_GETVALUE(x, S_SMB_AFMT, M_SMB_AFMT) #define K_SMB_AFMT_NONE 0 #define K_SMB_AFMT_ADDR 1 #define K_SMB_AFMT_ADDR_CMD1BYTE 2 #define K_SMB_AFMT_ADDR_CMD2BYTE 3 #define V_SMB_AFMT_NONE V_SMB_AFMT(K_SMB_AFMT_NONE) #define V_SMB_AFMT_ADDR V_SMB_AFMT(K_SMB_AFMT_ADDR) #define V_SMB_AFMT_ADDR_CMD1BYTE V_SMB_AFMT(K_SMB_AFMT_ADDR_CMD1BYTE) #define V_SMB_AFMT_ADDR_CMD2BYTE V_SMB_AFMT(K_SMB_AFMT_ADDR_CMD2BYTE) #define M_SMB_DIR _SB_MAKEMASK1(13) #endif /* 1250 PASS2 || 112x PASS1 || 1480 */ #endif