summaryrefslogtreecommitdiff
path: root/src/southbridge/intel/i82371eb/i82371eb.h
blob: d35b215ab19821edc9c091ed163a21a5f9cf7ffe (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#ifndef SOUTHBRIDGE_INTEL_I82371EB_I82371EB_H
#define SOUTHBRIDGE_INTEL_I82371EB_I82371EB_H

#if !defined(__ACPI__)

#include <device/device.h>
void i82371eb_enable(struct device *dev);

void i82371eb_hard_reset(void);

void enable_smbus(void);
void enable_pm(void);

#if ENV_ROMSTAGE
int smbus_read_byte(u8 device, u8 address);
#endif

#endif

/* If 'cond' is true this macro sets the bit(s) specified by 'bits' in the
 * 'reg' variable, otherwise it clears those bits.
 *
 * Examples:
 * reg16 = ONOFF(conf->ide0_enable, reg16, (1 << 5));
 * reg16 = ONOFF(conf->ide0_enable, reg16, (FOO | BAR));
 */
/* TODO: Move into some global header file? */
#define ONOFF(cond,reg,bits) ((cond) ? ((reg) | (bits)) : ((reg) & ~(bits)))

#define XBCS		0x4e	/* X-Bus chip select register */
#define GENCFG		0xb0	/* General configuration register */
#define RC		0xcf9	/* Reset control register */

/* IDE */
#define IDETIM_PRI	0x40	/* IDE timing register, primary channel */
#define IDETIM_SEC	0x42	/* IDE timing register, secondary channel */
#define UDMACTL		0x48	/* Ultra DMA/33 control register */
#define UDMATIM		0x4a	/* Ultra DMA/33 timing register */

/* SMBus */
#define SMBBA		0x90	/* SMBus base address */
#define   SMBUS_IO_BASE	0x0f00
#define SMBHSTCFG	0xd2	/* SMBus host configuration */

/* Power management (ACPI) */
#define PMSTS		0x00	/* Power Management Status */
#define PMEN		0x02	/* Power Management Resume Enable */
#define   PWRBTN_EN	(1<<8)
#define   GBL_EN	(1<<5)
#define PMCNTRL		0x04	/* Power Management Control */
#define   SUS_EN	(1<<13)	/* S0-S5 trigger */
#define   SUS_TYP_MSK	(7<<10)
#define   SUS_TYP_S0	(5<<10)
#define   SUS_TYP_S1	(4<<10)
#define   SUS_TYP_S2	(3<<10)
//#define   SUS_TYP_S2>---(2<<10)
#define   SUS_TYP_S3	(1<<10)
#define   SUS_TYP_S5	(0<<10)
#define   SCI_EN	(1<<0)
#define PMTMR		0x08	/* Power Management Timer */
#define GPSTS		0x0c	/* General Purpose Status */
#define GPEN		0x0e	/* General Purpose Enable */
#define   THRM_EN	(1<<0)
#define PCNTRL		0x10	/* Processor control */
#define GLBSTS		0x18	/* Global Status */
#define   IRQ_RSM_STS	(1<<11)
#define   EXTSMI_STS	(1<<10)
#define   GSTBY_STS	(1<<8)
#define   GP_STS	(1<<7)
#define   BM1_STS	(1<<6)
#define   APM_STS	(1<<5)
#define   DEV_STS	(1<<4)
#define   BIOS_EN	(1<<1)	/* GBL_RLS write triggers SMI */
#define   LEGACY_USB_EN	(1<<0)	/* Keyboard controller access triggers SMI */
#define DEVSTS		0x1c	/* Device Status */
#define GLBEN		0x20	/* Global Enable */
#define   EXTSMI_EN	(1<<10)	/* EXTSMI# signal triggers SMI */
#define   GSTBY_EN	(1<<8)
#define   BM_TRP_EN	(1<<1)
#define   BIOS_EN	(1<<1)	/* GBL_RLS write triggers SMI */
#define   LEGACY_USB_EN	(1<<0)	/* Keyboard controller access triggers SMI */
#define GLBCTL		0x28	/* Global Control */
#define   EOS		(1<<16)	/* End of SMI */
#define   SMI_EN	(1<<0)	/* SMI enable */
#define DEVCTL		0x2c	/* Device Control */
#define   TRP_EN_DEV12	(1<<24)	/* SMI on dev12 trap */
#define GPO0		0x34
#define GPO1		0x35
#define GPO2		0x36
#define GPO3		0x37

#define PMBA		0x40	/* Power management base address */
#define   DEFAULT_PMBASE	0xe400
#define   PM_IO_BASE DEFAULT_PMBASE
#define PMREGMISC	0x80	/* Miscellaneous power management */

/* Bit definitions */
#define EXT_BIOS_ENABLE_1MB	(1 << 9)  /* 1-Meg Extended BIOS Enable */
#define EXT_BIOS_ENABLE		(1 << 7)  /* Extended BIOS Enable */
#define LOWER_BIOS_ENABLE	(1 << 6)  /* Lower BIOS Enable */
#define WRITE_PROTECT_ENABLE	(1 << 2)  /* Write Protect Enable */
#define SRST			(1 << 1)  /* System Reset */
#define RCPU			(1 << 2)  /* Reset CPU */
#define SMB_HST_EN		(1 << 0)  /* Host Interface Enable */
#define IDE_DECODE_ENABLE	(1 << 15) /* IDE Decode Enable */
#define DTE0			(1 << 3)  /* DMA Timing Enable Only, drive 0 */
#define DTE1			(1 << 7)  /* DMA Timing Enable Only, drive 1 */
#define PSDE0			(1 << 0)  /* Primary Drive 0 UDMA/33 */
#define PSDE1			(1 << 1)  /* Primary Drive 1 UDMA/33 */
#define SSDE0			(1 << 2)  /* Secondary Drive 0 UDMA/33 */
#define SSDE1			(1 << 3)  /* Secondary Drive 1 UDMA/33 */
#define ISA			(1 << 0)  /* Select ISA */
#define EIO			(0 << 0)  /* Select EIO */
#define PMIOSE			(1 << 0)  /* PM I/O Space Enable */

#endif /* SOUTHBRIDGE_INTEL_I82371EB_I82371EB_H */