piixpmreg.h revision 1.13 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