1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* ********************************************************************* 3 * SB1250 Board Support Package 4 * 5 * SMBUS Constants File: sb1250_smbus.h 6 * 7 * This module contains constants and macros useful for 8 * manipulating the SB1250's SMbus devices. 9 * 10 * SB1250 specification level: 10/21/02 11 * BCM1280 specification level: 11/24/03 12 * 13 ********************************************************************* 14 * 15 * Copyright 2000,2001,2002,2003 16 * Broadcom Corporation. All rights reserved. 17 * 18 ********************************************************************* */ 19 20 21 #ifndef _SB1250_SMBUS_H 22 #define _SB1250_SMBUS_H 23 24 #include <asm/sibyte/sb1250_defs.h> 25 26 /* 27 * SMBus Clock Frequency Register (Table 14-2) 28 */ 29 30 #define S_SMB_FREQ_DIV 0 31 #define M_SMB_FREQ_DIV _SB_MAKEMASK(13, S_SMB_FREQ_DIV) 32 #define V_SMB_FREQ_DIV(x) _SB_MAKEVALUE(x, S_SMB_FREQ_DIV) 33 34 #define K_SMB_FREQ_400KHZ 0x1F 35 #define K_SMB_FREQ_100KHZ 0x7D 36 #define K_SMB_FREQ_10KHZ 1250 37 38 #define S_SMB_CMD 0 39 #define M_SMB_CMD _SB_MAKEMASK(8, S_SMB_CMD) 40 #define V_SMB_CMD(x) _SB_MAKEVALUE(x, S_SMB_CMD) 41 42 /* 43 * SMBus control register (Table 14-4) 44 */ 45 46 #define M_SMB_ERR_INTR _SB_MAKEMASK1(0) 47 #define M_SMB_FINISH_INTR _SB_MAKEMASK1(1) 48 49 #define S_SMB_DATA_OUT 4 50 #define M_SMB_DATA_OUT _SB_MAKEMASK1(S_SMB_DATA_OUT) 51 #define V_SMB_DATA_OUT(x) _SB_MAKEVALUE(x, S_SMB_DATA_OUT) 52 53 #define M_SMB_DATA_DIR _SB_MAKEMASK1(5) 54 #define M_SMB_DATA_DIR_OUTPUT M_SMB_DATA_DIR 55 #define M_SMB_CLK_OUT _SB_MAKEMASK1(6) 56 #define M_SMB_DIRECT_ENABLE _SB_MAKEMASK1(7) 57 58 /* 59 * SMBus status registers (Table 14-5) 60 */ 61 62 #define M_SMB_BUSY _SB_MAKEMASK1(0) 63 #define M_SMB_ERROR _SB_MAKEMASK1(1) 64 #define M_SMB_ERROR_TYPE _SB_MAKEMASK1(2) 65 66 #if SIBYTE_HDR_FEATURE(1250, PASS3) || SIBYTE_HDR_FEATURE(112x, PASS1) || SIBYTE_HDR_FEATURE_CHIP(1480) 67 #define S_SMB_SCL_IN 5 68 #define M_SMB_SCL_IN _SB_MAKEMASK1(S_SMB_SCL_IN) 69 #define V_SMB_SCL_IN(x) _SB_MAKEVALUE(x, S_SMB_SCL_IN) 70 #define G_SMB_SCL_IN(x) _SB_GETVALUE(x, S_SMB_SCL_IN, M_SMB_SCL_IN) 71 #endif /* 1250 PASS3 || 112x PASS1 || 1480 */ 72 73 #define S_SMB_REF 6 74 #define M_SMB_REF _SB_MAKEMASK1(S_SMB_REF) 75 #define V_SMB_REF(x) _SB_MAKEVALUE(x, S_SMB_REF) 76 #define G_SMB_REF(x) _SB_GETVALUE(x, S_SMB_REF, M_SMB_REF) 77 78 #define S_SMB_DATA_IN 7 79 #define M_SMB_DATA_IN _SB_MAKEMASK1(S_SMB_DATA_IN) 80 #define V_SMB_DATA_IN(x) _SB_MAKEVALUE(x, S_SMB_DATA_IN) 81 #define G_SMB_DATA_IN(x) _SB_GETVALUE(x, S_SMB_DATA_IN, M_SMB_DATA_IN) 82 83 /* 84 * SMBus Start/Command registers (Table 14-9) 85 */ 86 87 #define S_SMB_ADDR 0 88 #define M_SMB_ADDR _SB_MAKEMASK(7, S_SMB_ADDR) 89 #define V_SMB_ADDR(x) _SB_MAKEVALUE(x, S_SMB_ADDR) 90 #define G_SMB_ADDR(x) _SB_GETVALUE(x, S_SMB_ADDR, M_SMB_ADDR) 91 92 #define M_SMB_QDATA _SB_MAKEMASK1(7) 93 94 #define S_SMB_TT 8 95 #define M_SMB_TT _SB_MAKEMASK(3, S_SMB_TT) 96 #define V_SMB_TT(x) _SB_MAKEVALUE(x, S_SMB_TT) 97 #define G_SMB_TT(x) _SB_GETVALUE(x, S_SMB_TT, M_SMB_TT) 98 99 #define K_SMB_TT_WR1BYTE 0 100 #define K_SMB_TT_WR2BYTE 1 101 #define K_SMB_TT_WR3BYTE 2 102 #define K_SMB_TT_CMD_RD1BYTE 3 103 #define K_SMB_TT_CMD_RD2BYTE 4 104 #define K_SMB_TT_RD1BYTE 5 105 #define K_SMB_TT_QUICKCMD 6 106 #define K_SMB_TT_EEPROMREAD 7 107 108 #define V_SMB_TT_WR1BYTE V_SMB_TT(K_SMB_TT_WR1BYTE) 109 #define V_SMB_TT_WR2BYTE V_SMB_TT(K_SMB_TT_WR2BYTE) 110 #define V_SMB_TT_WR3BYTE V_SMB_TT(K_SMB_TT_WR3BYTE) 111 #define V_SMB_TT_CMD_RD1BYTE V_SMB_TT(K_SMB_TT_CMD_RD1BYTE) 112 #define V_SMB_TT_CMD_RD2BYTE V_SMB_TT(K_SMB_TT_CMD_RD2BYTE) 113 #define V_SMB_TT_RD1BYTE V_SMB_TT(K_SMB_TT_RD1BYTE) 114 #define V_SMB_TT_QUICKCMD V_SMB_TT(K_SMB_TT_QUICKCMD) 115 #define V_SMB_TT_EEPROMREAD V_SMB_TT(K_SMB_TT_EEPROMREAD) 116 117 #define M_SMB_PEC _SB_MAKEMASK1(15) 118 119 /* 120 * SMBus Data Register (Table 14-6) and SMBus Extra Register (Table 14-7) 121 */ 122 123 #define S_SMB_LB 0 124 #define M_SMB_LB _SB_MAKEMASK(8, S_SMB_LB) 125 #define V_SMB_LB(x) _SB_MAKEVALUE(x, S_SMB_LB) 126 127 #define S_SMB_MB 8 128 #define M_SMB_MB _SB_MAKEMASK(8, S_SMB_MB) 129 #define V_SMB_MB(x) _SB_MAKEVALUE(x, S_SMB_MB) 130 131 132 /* 133 * SMBus Packet Error Check register (Table 14-8) 134 */ 135 136 #define S_SPEC_PEC 0 137 #define M_SPEC_PEC _SB_MAKEMASK(8, S_SPEC_PEC) 138 #define V_SPEC_MB(x) _SB_MAKEVALUE(x, S_SPEC_PEC) 139 140 141 #if SIBYTE_HDR_FEATURE(1250, PASS2) || SIBYTE_HDR_FEATURE(112x, PASS1) || SIBYTE_HDR_FEATURE_CHIP(1480) 142 143 #define S_SMB_CMDH 8 144 #define M_SMB_CMDH _SB_MAKEMASK(8, S_SMB_CMDH) 145 #define V_SMB_CMDH(x) _SB_MAKEVALUE(x, S_SMB_CMDH) 146 147 #define M_SMB_EXTEND _SB_MAKEMASK1(14) 148 149 #define S_SMB_DFMT 8 150 #define M_SMB_DFMT _SB_MAKEMASK(3, S_SMB_DFMT) 151 #define V_SMB_DFMT(x) _SB_MAKEVALUE(x, S_SMB_DFMT) 152 #define G_SMB_DFMT(x) _SB_GETVALUE(x, S_SMB_DFMT, M_SMB_DFMT) 153 154 #define K_SMB_DFMT_1BYTE 0 155 #define K_SMB_DFMT_2BYTE 1 156 #define K_SMB_DFMT_3BYTE 2 157 #define K_SMB_DFMT_4BYTE 3 158 #define K_SMB_DFMT_NODATA 4 159 #define K_SMB_DFMT_CMD4BYTE 5 160 #define K_SMB_DFMT_CMD5BYTE 6 161 #define K_SMB_DFMT_RESERVED 7 162 163 #define V_SMB_DFMT_1BYTE V_SMB_DFMT(K_SMB_DFMT_1BYTE) 164 #define V_SMB_DFMT_2BYTE V_SMB_DFMT(K_SMB_DFMT_2BYTE) 165 #define V_SMB_DFMT_3BYTE V_SMB_DFMT(K_SMB_DFMT_3BYTE) 166 #define V_SMB_DFMT_4BYTE V_SMB_DFMT(K_SMB_DFMT_4BYTE) 167 #define V_SMB_DFMT_NODATA V_SMB_DFMT(K_SMB_DFMT_NODATA) 168 #define V_SMB_DFMT_CMD4BYTE V_SMB_DFMT(K_SMB_DFMT_CMD4BYTE) 169 #define V_SMB_DFMT_CMD5BYTE V_SMB_DFMT(K_SMB_DFMT_CMD5BYTE) 170 #define V_SMB_DFMT_RESERVED V_SMB_DFMT(K_SMB_DFMT_RESERVED) 171 172 #define S_SMB_AFMT 11 173 #define M_SMB_AFMT _SB_MAKEMASK(2, S_SMB_AFMT) 174 #define V_SMB_AFMT(x) _SB_MAKEVALUE(x, S_SMB_AFMT) 175 #define G_SMB_AFMT(x) _SB_GETVALUE(x, S_SMB_AFMT, M_SMB_AFMT) 176 177 #define K_SMB_AFMT_NONE 0 178 #define K_SMB_AFMT_ADDR 1 179 #define K_SMB_AFMT_ADDR_CMD1BYTE 2 180 #define K_SMB_AFMT_ADDR_CMD2BYTE 3 181 182 #define V_SMB_AFMT_NONE V_SMB_AFMT(K_SMB_AFMT_NONE) 183 #define V_SMB_AFMT_ADDR V_SMB_AFMT(K_SMB_AFMT_ADDR) 184 #define V_SMB_AFMT_ADDR_CMD1BYTE V_SMB_AFMT(K_SMB_AFMT_ADDR_CMD1BYTE) 185 #define V_SMB_AFMT_ADDR_CMD2BYTE V_SMB_AFMT(K_SMB_AFMT_ADDR_CMD2BYTE) 186 187 #define M_SMB_DIR _SB_MAKEMASK1(13) 188 189 #endif /* 1250 PASS2 || 112x PASS1 || 1480 */ 190 191 #endif 192
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