summaryrefslogtreecommitdiff
path: root/src/soc/intel/broadwell/acpi/globalnvs.asl
blob: d8b75ac8c169213a24246887a532d6e06c55cfa3 (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
/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2007-2009 coresystems GmbH
 * Copyright (C) 2014 Google Inc.
 *
 * 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; version 2 of the License.
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */

/* Global Variables */

Name (\PICM, 0)		// IOAPIC/8259

/*
 * Global ACPI memory region. This region is used for passing information
 * between coreboot (aka "the system bios"), ACPI, and the SMI handler.
 * Since we don't know where this will end up in memory at ACPI compile time,
 * we have to fix it up in coreboot's ACPI creation phase.
 */

External(NVSA)
OperationRegion (GNVS, SystemMemory, NVSA, 0x2000)
Field (GNVS, ByteAcc, NoLock, Preserve)
{
	/* Miscellaneous */
	Offset (0x00),
	OSYS,	16,	// 0x00 - Operating System
	SMIF,	8,	// 0x02 - SMI function
	PRM0,	8,	// 0x03 - SMI function parameter
	PRM1,	8,	// 0x04 - SMI function parameter
	SCIF,	8,	// 0x05 - SCI function
	PRM2,	8,	// 0x06 - SCI function parameter
	PRM3,	8,	// 0x07 - SCI function parameter
	LCKF,	8,	// 0x08 - Global Lock function for EC
	PRM4,	8,	// 0x09 - Lock function parameter
	PRM5,	8,	// 0x0a - Lock function parameter
	PCNT,	8,	// 0x0b - Processor Count
	PPCM,	8,	// 0x0c - Max PPC State
	TMPS,	8,	// 0x0d - Temperature Sensor ID
	TLVL,	8,	// 0x0e - Throttle Level Limit
	FLVL,	8,	// 0x0f - Current FAN Level
	TCRT,	8,	// 0x10 - Critical Threshold
	TPSV,	8,	// 0x11 - Passive Threshold
	TMAX,	8,	// 0x12 - CPU Tj_max
	TPMP,	8,	// 0x13 - TPM Present
	S5U0,	8,	// 0x14 - Enable USB in S5
	S3U0,	8,	// 0x15 - Enable USB in S3
	S33G,	8,	// 0x16 - Enable 3G in S3
	LIDS,	8,	// 0x17 - LID State
	PWRS,	8,	// 0x18 - AC Power State
	CMEM,	32,	// 0x19 - 0x1c - CBMEM TOC
	CBMC,	32,	// 0x1d - 0x20 - Coreboot Memory Console
	PM1I,	32,	// 0x21 - 0x24 - PM1 wake status bit

	/* ChromeOS specific */
	Offset (0x100),
	#include <vendorcode/google/chromeos/acpi/gnvs.asl>

	/* Device specific */
	Offset (0x1000),
	#include "device_nvs.asl"
}

/* Set flag to enable USB charging in S3 */
Method (S3UE)
{
	Store (One, \S3U0)
}

/* Set flag to disable USB charging in S3 */
Method (S3UD)
{
	Store (Zero, \S3U0)
}

/* Set flag to enable USB charging in S5 */
Method (S5UE)
{
	Store (One, \S5U0)
}

/* Set flag to disable USB charging in S5 */
Method (S5UD)
{
	Store (Zero, \S5U0)
}

/* Set flag to enable 3G module in S3 */
Method (S3GE)
{
	Store (One, \S33G)
}

/* Set flag to disable 3G module in S3 */
Method (S3GD)
{
	Store (Zero, \S33G)
}