2 * This file is part of the coreboot project.
4 * Copyright (C) 2008 coresystems GmbH
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 #ifndef SOUTHBRIDGE_INTEL_I82801GX_I82801GX_H
22 #define SOUTHBRIDGE_INTEL_I82801GX_I82801GX_H
25 extern void i82801gx_enable(device_t dev);
27 #define SERIRQ_CNTL 0x64
29 #define GEN_PMCON_1 0xa0
30 #define GEN_PMCON_2 0xa2
31 #define GEN_PMCON_3 0xa4
33 /* GEN_PMCON_3 bits */
34 #define RTC_BATTERY_DEAD (1 << 2)
35 #define RTC_POWER_FAILED (1 << 1)
36 #define SLEEP_AFTER_POWER_FAIL (1 << 0)
39 #define ACPI_CNTL 0x44
40 #define BIOS_CNTL 0xDC
41 #define GPIO_BASE 0x48 /* LPC GPIO Base Address Register */
42 #define GPIO_CNTL 0x4C /* LPC GPIO Control Register */
44 #define PIRQA_ROUT 0x60
45 #define PIRQB_ROUT 0x61
46 #define PIRQC_ROUT 0x62
47 #define PIRQD_ROUT 0x63
48 #define PIRQE_ROUT 0x68
49 #define PIRQF_ROUT 0x69
50 #define PIRQG_ROUT 0x6A
51 #define PIRQH_ROUT 0x6B
53 #define LPC_IO_DEC 0x80 /* IO Decode Ranges Register */
54 #define LPC_EN 0x82 /* LPC IF Enables Register */
56 /* PCI Configuration Space (D31:F1): IDE */
58 #define IDE_TIM_PRI 0x40 /* IDE timings, primary */
59 #define IDE_DECODE_ENABLE (1 << 15)
60 #define IDE_SITRE (1 << 14)
61 #define IDE_TIM_SEC 0x42 /* IDE timings, secondary */
62 #define IDE_CONFIG 0x54 /* IDE I/O Configuration Register */
63 #define SIG_MODE_NORMAL (0 << 16)
64 #define SIG_MODE_TRISTATE (1 << 16)
65 #define SIG_MODE_DRIVELOW (2 << 16)
66 #define FAST_PCB1 (1 << 13)
67 #define FAST_PCB0 (1 << 12)
71 /* PCI Configuration Space (D31:F3): SMBus */
76 #define I2C_EN (1 << 2)
77 #define SMB_SMI_EN (1 << 1)
78 #define HST_EN (1 << 0)
81 * TODO: It does not matter where we put the SMBus IO base, as long as we keep
82 * consistent and don't interfere with other devices. Stage2 will relocate
83 * this anyways. But it's a general problem we have not solved in the brightest
86 /* #define SMBUS_IO_BASE 0x1000 */
87 #define SMBUS_IO_BASE 0x0400
89 #define SMBHSTSTAT 0x0
92 #define SMBXMITADD 0x4
93 #define SMBHSTDAT0 0x5
94 #define SMBHSTDAT1 0x6
96 #define SMBTRNSADD 0x9
97 #define SMBSLVDATA 0xa
98 #define SMLINK_PIN_CTL 0xe
99 #define SMBUS_PIN_CTL 0xf
101 #define SMBUS_TIMEOUT (10 * 1000 * 100)
103 /* HPET, if present */
104 #define HPET_ADDR 0xfed0000
106 #endif /* SOUTHBRIDGE_INTEL_I82801GX_I82801GX_H */