1 /*- 2 * Copyright (c) 2004 Texas A&M University 3 * All rights reserved. 4 * 5 * Developer: Wm. Daryl Hawkins 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #ifndef _ICHWD_H_ 32 #define _ICHWD_H_ 33 34 struct ichwd_device { 35 uint16_t device; 36 char *desc; 37 unsigned int version; 38 }; 39 40 struct ichwd_softc { 41 device_t device; 42 device_t ich; 43 int ich_version; 44 45 int active; 46 unsigned int timeout; 47 48 int smi_rid; 49 struct resource *smi_res; 50 bus_space_tag_t smi_bst; 51 bus_space_handle_t smi_bsh; 52 53 int tco_rid; 54 struct resource *tco_res; 55 bus_space_tag_t tco_bst; 56 bus_space_handle_t tco_bsh; 57 58 int gcs_rid; 59 struct resource *gcs_res; 60 bus_space_tag_t gcs_bst; 61 bus_space_handle_t gcs_bsh; 62 63 eventhandler_tag ev_tag; 64 }; 65 66 #define VENDORID_INTEL 0x8086 67 #define DEVICEID_82801AA 0x2410 68 #define DEVICEID_82801AB 0x2420 69 #define DEVICEID_82801BA 0x2440 70 #define DEVICEID_82801BAM 0x244c 71 #define DEVICEID_82801CA 0x2480 72 #define DEVICEID_82801CAM 0x248c 73 #define DEVICEID_82801DB 0x24c0 74 #define DEVICEID_82801DBM 0x24cc 75 #define DEVICEID_82801E 0x2450 76 #define DEVICEID_82801EBR 0x24d0 77 #define DEVICEID_6300ESB 0x25a1 78 #define DEVICEID_82801FBR 0x2640 79 #define DEVICEID_ICH6M 0x2641 80 #define DEVICEID_ICH6W 0x2642 81 #define DEVICEID_63XXESB 0x2670 82 #define DEVICEID_ICH7 0x27b8 83 #define DEVICEID_ICH7M 0x27b9 84 #define DEVICEID_ICH7MDH 0x27bd 85 #define DEVICEID_ICH8 0x2810 86 #define DEVICEID_ICH8DH 0x2812 87 #define DEVICEID_ICH8DO 0x2814 88 #define DEVICEID_ICH8M 0x2815 89 #define DEVICEID_ICH9 0x2918 90 #define DEVICEID_ICH9R 0x2916 91 #define DEVICEID_ICH9DH 0x2912 92 #define DEVICEID_ICH9DO 0x2914 93 94 /* ICH LPC Interface Bridge Registers (ICH5 and older) */ 95 #define ICH_GEN_STA 0xd4 96 #define ICH_GEN_STA_NO_REBOOT 0x02 97 #define ICH_PMBASE 0x40 /* ACPI base address register */ 98 #define ICH_PMBASE_MASK 0x7f80 /* bits 7-15 */ 99 100 /* ICH Chipset Configuration Registers (ICH6 and newer) */ 101 #define ICH_RCBA 0xf0 102 #define ICH_GCS_OFFSET 0x3410 103 #define ICH_GCS_SIZE 0x4 104 #define ICH_GCS_NO_REBOOT 0x20 105 106 /* register names and locations (relative to PMBASE) */ 107 #define SMI_BASE 0x30 /* base address for SMI registers */ 108 #define SMI_LEN 0x08 109 #define SMI_EN 0x00 /* SMI Control and Enable Register */ 110 #define SMI_STS 0x04 /* SMI Status Register */ 111 #define TCO_BASE 0x60 /* base address for TCO registers */ 112 #define TCO_LEN 0x20 113 #define TCO_RLD 0x00 /* TCO Reload and Current Value */ 114 #define TCO_TMR1 0x01 /* TCO Timer Initial Value 115 (ICH5 and older, 8 bits) */ 116 #define TCO_TMR2 0x12 /* TCO Timer Initial Value 117 (ICH6 and newer, 16 bits) */ 118 #define TCO_DAT_IN 0x02 /* TCO Data In (DO NOT USE) */ 119 #define TCO_DAT_OUT 0x03 /* TCO Data Out (DO NOT USE) */ 120 #define TCO1_STS 0x04 /* TCO Status 1 */ 121 #define TCO2_STS 0x06 /* TCO Status 2 */ 122 #define TCO1_CNT 0x08 /* TCO Control 1 */ 123 #define TCO2_CNT 0x08 /* TCO Control 2 */ 124 125 /* bit definitions for SMI_EN and SMI_STS */ 126 #define SMI_TCO_EN 0x2000 127 #define SMI_TCO_STS 0x2000 128 129 /* timer value mask for TCO_RLD and TCO_TMR */ 130 #define TCO_TIMER_MASK 0x1f 131 132 /* status bits for TCO1_STS */ 133 #define TCO_TIMEOUT 0x08 /* timed out */ 134 #define TCO_INT_STS 0x04 /* data out (DO NOT USE) */ 135 #define TCO_SMI_STS 0x02 /* data in (DO NOT USE) */ 136 137 /* status bits for TCO2_STS */ 138 #define TCO_BOOT_STS 0x04 /* failed to come out of reset */ 139 #define TCO_SECOND_TO_STS 0x02 /* ran down twice */ 140 141 /* control bits for TCO1_CNT */ 142 #define TCO_TMR_HALT 0x0800 /* clear to enable WDT */ 143 #define TCO_CNT_PRESERVE 0x0200 /* preserve these bits */ 144 145 /* approximate length in nanoseconds of one WDT tick (about 0.6 sec) */ 146 #define ICHWD_TICK 600000000 147 148 #endif 149