diff options
Diffstat (limited to 'arch/mips/include/asm/sibyte/sb1250_smbus.h')
| -rw-r--r-- | arch/mips/include/asm/sibyte/sb1250_smbus.h | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/arch/mips/include/asm/sibyte/sb1250_smbus.h b/arch/mips/include/asm/sibyte/sb1250_smbus.h new file mode 100644 index 000000000..e854f96ff --- /dev/null +++ b/arch/mips/include/asm/sibyte/sb1250_smbus.h @@ -0,0 +1,191 @@ +/* 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 |