summaryrefslogtreecommitdiff
path: root/src/soc/intel/baytrail/acpi/globalnvs.asl
blob: c472d06ea1d7c8c1983c94deb7b88c34520c0970 (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
/* SPDX-License-Identifier: GPL-2.0-only */

/* 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 */
	P80D,	32,	/* 0x0b - Debug port (IO 0x80) value */
	LIDS,	 8,	/* 0x0f - LID state (open = 1) */
	PWRS,	 8,	/* 0x10 - Power State (AC = 1) */
	PCNT,	 8,	/* 0x11 - Processor count */
	TPMP,	 8,	/* 0x12 - TPM Present and Enabled */
	TLVL,	 8,	/* 0x13 - Throttle Level */
	PPCM,	 8,	/* 0x14 - Maximum P-state usable by OS */
	PM1I,	 32,	/* 0x15 - System Wake Source - PM1 Index */

	/* Device Config */
	Offset (0x20),
	S5U0,	 8,	/* 0x20 - Enable USB0 in S5 */
	S5U1,	 8,	/* 0x21 - Enable USB1 in S5 */
	S3U0,	 8,	/* 0x22 - Enable USB0 in S3 */
	S3U1,	 8,	/* 0x23 - Enable USB1 in S3 */
	TACT,	 8,	/* 0x24 - Thermal Active trip point */
	TPSV,	 8,	/* 0x25 - Thermal Passive trip point */
	TCRT,	 8,	/* 0x26 - Thermal Critical trip point */
	DPTE,	 8,	/* 0x27 - Enable DPTF */

	/* Base addresses */
	Offset (0x30),
	CMEM,	 32,	/* 0x30 - CBMEM TOC */
	TOLM,	 32,	/* 0x34 - Top of Low Memory */
	CBMC,	 32,	/* 0x38 - coreboot mem console pointer */

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

	Offset (0x1000),
	#include <soc/intel/baytrail/acpi/device_nvs.asl>
}

/* Set flag to enable USB charging in S3 */
Method (S3UE)
{
	Store (One, \S3U0)
	Store (One, \S3U1)
}

/* Set flag to disable USB charging in S3 */
Method (S3UD)
{
	Store (Zero, \S3U0)
	Store (Zero, \S3U1)
}

/* Set flag to enable USB charging in S5 */
Method (S5UE)
{
	Store (One, \S5U0)
	Store (One, \S5U1)
}

/* Set flag to disable USB charging in S5 */
Method (S5UD)
{
	Store (Zero, \S5U0)
	Store (Zero, \S5U1)
}