2 * This file is part of the coreboot project.
4 * Copyright (C) 2007 Corey Osgood <corey.osgood@gmail.com>
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_I82801BX_I82801BX_H
22 #define SOUTHBRIDGE_INTEL_I82801BX_I82801BX_H
24 #if !defined(__PRE_RAM__)
26 extern void i82801bx_enable(device_t dev);
29 #if defined(__PRE_RAM__) && !defined(__ROMCC__)
30 void enable_smbus(void);
31 int smbus_read_byte(u8 device, u8 address);
34 #define SMBUS_IO_BASE 0x0f00
35 #define PMBASE_ADDR 0x0400
36 #define GPIO_BASE_ADDR 0x0500
37 #define HPET_ADDR 0xfed00000
41 #define PCI_DMA_CFG 0x90
42 #define SERIRQ_CNTL 0x64
46 #define GEN_PMCON_3 0xa4
49 #define ACPI_CNTL 0x44
50 #define ACPI_EN (1 << 4)
51 #define BIOS_CNTL 0x4E
52 #define GPIO_BASE 0x58 /* GPIO Base Address Register */
53 #define GPIO_CNTL 0x5C /* GPIO Control Register */
54 #define GPIO_EN (1 << 4)
56 #define PIRQA_ROUT 0x60
57 #define PIRQB_ROUT 0x61
58 #define PIRQC_ROUT 0x62
59 #define PIRQD_ROUT 0x63
60 #define PIRQE_ROUT 0x68
61 #define PIRQF_ROUT 0x69
62 #define PIRQG_ROUT 0x6A
63 #define PIRQH_ROUT 0x6B
67 #define COM_DEC 0xE0 /* LPC I/F Comm. Port Decode Ranges */
68 #define LPC_EN 0xE6 /* LPC IF Enables Register */
73 #define SUB_BUS_NUM 0x1A
81 #define PCI_MAST_STS 0x82
83 #define TCOBASE 0x60 /* TCO Base Address Register */
84 #define TCO1_CNT 0x08 /* TCO1 Control Register */
86 /* GEN_PMCON_3 bits */
87 #define RTC_BATTERY_DEAD (1 << 2)
88 #define RTC_POWER_FAILED (1 << 1)
89 #define SLEEP_AFTER_POWER_FAIL (1 << 0)
91 /* IDE Timing registers (IDE_TIM) */
92 #define IDE_TIM_PRI 0x40 /* IDE timings, primary */
93 #define IDE_TIM_SEC 0x42 /* IDE timings, secondary */
96 #define IDE_DECODE_ENABLE (1 << 15)
103 #define I2C_EN (1 << 2)
104 #define SMB_SMI_EN (1 << 1)
105 #define HST_EN (1 << 0)
107 /* SMBus I/O registers. */
108 #define SMBHSTSTAT 0x0
109 #define SMBHSTCTL 0x2
110 #define SMBHSTCMD 0x3
111 #define SMBXMITADD 0x4
112 #define SMBHSTDAT0 0x5
113 #define SMBHSTDAT1 0x6
114 #define SMBBLKDAT 0x7
115 #define SMBTRNSADD 0x9
116 #define SMBSLVDATA 0xa
117 #define SMLINK_PIN_CTL 0xe
118 #define SMBUS_PIN_CTL 0xf
120 #define SMBUS_TIMEOUT (10 * 1000 * 100)
122 #endif /* SOUTHBRIDGE_INTEL_I82801BX_I82801BX_H */