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      1 /* $NetBSD: piixpmreg.h,v 1.13 2023/01/10 00:05:53 msaitoh Exp $ */
      2 /*	$OpenBSD: piixreg.h,v 1.3 2006/01/03 22:39:03 grange Exp $	*/
      3 
      4 /*-
      5  * Copyright (c) 2016 Andriy Gapon <avg (at) FreeBSD.org>
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     27  * SUCH DAMAGE.
     28  *
     29  * $FreeBSD: head/sys/dev/amdsbwd/amd_chipset.h 333269 2018-05-05 05:22:11Z avg $
     30  */
     31 
     32 /*
     33  * Copyright (c) 2005 Alexander Yurchenko <grange (at) openbsd.org>
     34  *
     35  * Permission to use, copy, modify, and distribute this software for any
     36  * purpose with or without fee is hereby granted, provided that the above
     37  * copyright notice and this permission notice appear in all copies.
     38  *
     39  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
     40  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
     41  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
     42  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     43  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
     44  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
     45  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     46  */
     47 
     48 #ifndef _DEV_PCI_PIIXREG_H_
     49 #define _DEV_PCI_PIIXREG_H_
     50 
     51 /*
     52  * Intel PCI-to-ISA / IDE Xcelerator (PIIX) register definitions.
     53  */
     54 
     55 /*
     56  * Power management registers.
     57  */
     58 
     59 /* PCI configuration registers */
     60 #define PIIX_PM_BASE	0x40		/* Power management base address */
     61 #define PIIX_PM_BASE_CSB5_RESET	0x10		/* CSB5 PM reset */
     62 #define PIIX_DEVACTA	0x54		/* Device activity A (function 3) */
     63 #define PIIX_DEVACTB	0x58		/* Device activity B (function 3) */
     64 #define PIIX_PMREGMISC	0x80		/* Misc. Power management */
     65 #define PIIX_SMB_BASE	0x90		/* SMBus base address */
     66 #define PIIX_SMB_HOSTC	0xd0		/* SMBus host configuration */
     67 #define PIIX_SMB_HOSTC_HSTEN	(1 << 16)	/* enable host controller */
     68 #define PIIX_SMB_HOSTC_SMI	(0 << 17)	/* SMI */
     69 #define PIIX_SMB_HOSTC_IRQ	(4 << 17)	/* IRQ 9 */
     70 #define PIIX_SMB_HOSTC_INTMASK	(7 << 17)
     71 
     72 /* SMBus I/O registers */
     73 #define PIIX_SMB_HS	0x00		/* host status */
     74 #define PIIX_SMB_HS_BUSY	(1 << 0)	/* running a command */
     75 #define PIIX_SMB_HS_INTR	(1 << 1)	/* command completed */
     76 #define PIIX_SMB_HS_DEVERR	(1 << 2)	/* command error */
     77 #define PIIX_SMB_HS_BUSERR	(1 << 3)	/* transaction collision */
     78 #define PIIX_SMB_HS_FAILED	(1 << 4)	/* failed bus transaction */
     79 #define PIIX_SMB_HS_BITS	"\020\001BUSY\002INTR\003DEVERR\004BUSERR\005FAILED"
     80 #define PIIX_SMB_HC	0x02		/* host control */
     81 #define PIIX_SMB_HC_INTREN	(1 << 0)	/* enable interrupts */
     82 #define PIIX_SMB_HC_KILL	(1 << 1)	/* kill current transaction */
     83 #define PIIX_SMB_HC_CMD_QUICK	(0 << 2)	/* QUICK command */
     84 #define PIIX_SMB_HC_CMD_BYTE	(1 << 2)	/* BYTE command */
     85 #define PIIX_SMB_HC_CMD_BDATA	(2 << 2)	/* BYTE DATA command */
     86 #define PIIX_SMB_HC_CMD_WDATA	(3 << 2)	/* WORD DATA command */
     87 #define PIIX_SMB_HC_CMD_BLOCK	(5 << 2)	/* BLOCK command */
     88 #define PIIX_SMB_HC_START	(1 << 6)	/* start transaction */
     89 #define PIIX_SMB_HCMD	0x03		/* host command */
     90 #define PIIX_SMB_TXSLVA	0x04		/* transmit slave address */
     91 #define PIIX_SMB_TXSLVA_READ	(1 << 0)	/* read direction */
     92 #define PIIX_SMB_TXSLVA_ADDR(x)	(((x) & 0x7f) << 1) /* 7-bit address */
     93 #define PIIX_SMB_HD0	0x05		/* host data 0 */
     94 #define PIIX_SMB_HD1	0x06		/* host data 1 */
     95 #define PIIX_SMB_HBDB	0x07		/* host block data byte */
     96 #define PIIX_SMB_SC	0x08		/* slave control */
     97 #define PIIX_SMB_SC_ALERTEN	(1 << 3)	/* enable SMBALERT# */
     98 #define PIIX_SMB_SC_HOSTSEM	(1 << 4)	/* (W1S) HostSemaphore */
     99 #define PIIX_SMB_SC_CLRHOSTSEM	(1 << 5)	/* (W1C) ClrHostSemaphore */
    100 #define PIIX_SMB_SC_ECSEM	(1 << 6)	/* (W1S) EcSemaphore */
    101 #define PIIX_SMB_SC_CLRECSEM	(1 << 7)	/* (W1C) ClrEcSemaphore */
    102 #define PIIX_SMB_SC_SEMMASK	0xf0		/* Semaphore bits */
    103 
    104 /* Power management I/O registers */
    105 #define PIIX_PM_PMTMR	0x08		/* power management timer */
    106 
    107 /* Misc */
    108 #define PIIX_PM_SIZE	0x38		/* Power management I/O space size */
    109 #define PIIX_SMB_SIZE	0x10		/* SMBus I/O space size */
    110 
    111 /*
    112  * AMD SB800 and compatible chipset's configuration registers.
    113  * See SB8xx RRG 2.3.3, etc.
    114  */
    115 
    116 /* In the I/O area */
    117 #define SB800_INDIRECTIO_BASE	0xcd6
    118 #define SB800_INDIRECTIO_SIZE	2
    119 #define SB800_INDIRECTIO_INDEX	0
    120 #define SB800_INDIRECTIO_DATA	1
    121 
    122 /* In the MMIO area */
    123 #define SB800_FCH_PM_BASE	0xfed80300
    124 #define SB800_FCH_PM_SIZE	8
    125 
    126 #define SB800_PM_SMBUS0EN_LO	0x2c
    127 #define SB800_PM_SMBUS0EN_HI	0x2d
    128 #define SB800_PM_SMBUS0EN_ENABLE __BIT(0)     /* Function enable */
    129 #define SB800_PM_SMBUS0_MASK_C	__BITS(2, 1)  /* Port mask (PMIO2C) */
    130 #define SB800_PM_SMBUS0EN_BADDR	__BITS(15, 5) /* Base address */
    131 
    132 #define SB800_PM_SMBUS0SEL	0x2e
    133 #define SB800_PM_SMBUS0_MASK_E	__BITS(2, 1)  /* Port mask (PMIO2E) */
    134 #define SB800_PM_SMBUS0SELEN	0x2f
    135 #define SB800_PM_USE_SMBUS0SEL	__BIT(0) /*
    136 					  * If the bit is set, SMBUS0SEL is
    137 					  * used to select the port.
    138 					  */
    139 
    140 /* In the SMBus I/O space */
    141 #define SB800_SMB_HOSTC		0x10	/* I2C bus configuration */
    142 #define SB800_SMB_HOSTC_IRQ	(1 << 0)	/* 0:SMI 1:IRQ */
    143 
    144 /* Misc */
    145 #define SB800_SMB_SIZE	0x11		/* SMBus I/O space size */
    146 
    147 /*
    148  * Newer FCH registers in the PMIO space.
    149  * See BKDG for Family 16h Models 30h-3Fh 3.26.13 PMx00 and PMx04.
    150  */
    151 #define AMDFCH41_PM_DECODE_EN0		0x00
    152 #define		AMDFCH41_SMBUS_EN	0x10
    153 #define		AMDFCH41_WDT_EN		0x80
    154 #define AMDFCH41_PM_DECODE_EN1		0x01
    155 #define AMDFCH41_PM_PORT_INDEX		0x02
    156 #define 	AMDFCH41_SMBUS_PORTMASK	0x18
    157 #define	AMDFCH41_PM_DECODE_EN3		0x03
    158 #define		AMDFCH41_WDT_RES_MASK	0x03
    159 #define		AMDFCH41_WDT_RES_32US	0x00
    160 #define		AMDFCH41_WDT_RES_10MS	0x01
    161 #define		AMDFCH41_WDT_RES_100MS	0x02
    162 #define		AMDFCH41_WDT_RES_1S	0x03
    163 #define		AMDFCH41_WDT_EN_MASK	0x0c
    164 #define		AMDFCH41_WDT_ENABLE	0x00
    165 #define	AMDFCH41_PM_ISA_CTRL		0x04
    166 #define		AMDFCH41_MMIO_EN	0x02
    167 
    168 #endif	/* !_DEV_PCI_PIIXREG_H_ */
    169