2 * This file is part of the coreboot project.
4 * Copyright (C) 2007-2009 coresystems GmbH
5 * Copyright (C) 2012 The Chromium OS Authors
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; version 2 of
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
18 /* Global Variables */
20 Name(\PICM, 0) // IOAPIC/8259
21 Name(\DSEN, 1) // Display Output Switching Enable
23 /* Global ACPI memory region. This region is used for passing information
24 * between coreboot (aka "the system bios"), ACPI, and the SMI handler.
25 * Since we don't know where this will end up in memory at ACPI compile time,
26 * we have to fix it up in coreboot's ACPI creation phase.
30 OperationRegion (GNVS, SystemMemory, NVSA, 0xf00)
31 Field (GNVS, ByteAcc, NoLock, Preserve)
35 OSYS, 16, // 0x00 - Operating System
36 SMIF, 8, // 0x02 - SMI function
37 PRM0, 8, // 0x03 - SMI function parameter
38 PRM1, 8, // 0x04 - SMI function parameter
39 SCIF, 8, // 0x05 - SCI function
40 PRM2, 8, // 0x06 - SCI function parameter
41 PRM3, 8, // 0x07 - SCI function parameter
42 LCKF, 8, // 0x08 - Global Lock function for EC
43 PRM4, 8, // 0x09 - Lock function parameter
44 PRM5, 8, // 0x0a - Lock function parameter
45 P80D, 32, // 0x0b - Debug port (IO 0x80) value
46 LIDS, 8, // 0x0f - LID state (open = 1)
47 PWRS, 8, // 0x10 - Power State (AC = 1)
50 TLVL, 8, // 0x11 - Throttle Level Limit
51 FLVL, 8, // 0x12 - Current FAN Level
52 TCRT, 8, // 0x13 - Critical Threshold
53 TPSV, 8, // 0x14 - Passive Threshold
54 TMAX, 8, // 0x15 - CPU Tj_max
55 F0OF, 8, // 0x16 - FAN 0 OFF Threshold
56 F0ON, 8, // 0x17 - FAN 0 ON Threshold
57 F0PW, 8, // 0x18 - FAN 0 PWM value
58 F1OF, 8, // 0x19 - FAN 1 OFF Threshold
59 F1ON, 8, // 0x1a - FAN 1 ON Threshold
60 F1PW, 8, // 0x1b - FAN 1 PWM value
61 F2OF, 8, // 0x1c - FAN 2 OFF Threshold
62 F2ON, 8, // 0x1d - FAN 2 ON Threshold
63 F2PW, 8, // 0x1e - FAN 2 PWM value
64 F3OF, 8, // 0x1f - FAN 3 OFF Threshold
65 F3ON, 8, // 0x20 - FAN 3 ON Threshold
66 F3PW, 8, // 0x21 - FAN 3 PWM value
67 F4OF, 8, // 0x22 - FAN 4 OFF Threshold
68 F4ON, 8, // 0x23 - FAN 4 ON Threshold
69 F4PW, 8, // 0x24 - FAN 4 PWM value
70 TMPS, 8, // 0x25 - Temperature Sensor ID
71 /* Processor Identification */
73 APIC, 8, // 0x28 - APIC Enabled by coreboot
74 MPEN, 8, // 0x29 - Multi Processor Enable
75 PCP0, 8, // 0x2a - PDC CPU/CORE 0
76 PCP1, 8, // 0x2b - PDC CPU/CORE 1
77 PPCM, 8, // 0x2c - Max. PPC state
78 PCNT, 8, // 0x2d - Processor count
79 /* Super I/O & CMOS config */
82 S5U0, 8, // 0x33 - Enable USB0 in S5
83 S5U1, 8, // 0x34 - Enable USB1 in S5
84 S3U0, 8, // 0x35 - Enable USB0 in S3
85 S3U1, 8, // 0x36 - Enable USB1 in S3
86 S33G, 8, // 0x37 - Enable 3G in S3
87 CMEM, 32, // 0x38 - CBMEM TOC
88 /* Integrated Graphics Device */
90 IGDS, 8, // 0x3c - IGD state (primary = 1)
91 TLST, 8, // 0x3d - Display Toggle List pointer
92 CADL, 8, // 0x3e - Currently Attached Devices List
93 PADL, 8, // 0x3f - Previously Attached Devices List
94 CSTE, 16, // 0x40 - Current display state
95 NSTE, 16, // 0x42 - Next display state
96 SSTE, 16, // 0x44 - Set display state
98 NDID, 8, // 0x46 - Number of Device IDs
99 DID1, 32, // 0x47 - Device ID 1
100 DID2, 32, // 0x4b - Device ID 2
101 DID3, 32, // 0x4f - Device ID 3
102 DID4, 32, // 0x53 - Device ID 4
103 DID5, 32, // 0x57 - Device ID 5
104 /* Backlight Control */
106 BLCS, 8, // 0x64 - Backlight control possible?
107 BRTL, 8, // 0x65 - Brightness Level
109 /* Ambient Light Sensors */
111 ALSE, 8, // 0x6e - ALS enable
112 ALAF, 8, // 0x6f - Ambient light adjustment factor
113 LLOW, 8, // 0x70 - LUX Low
114 LHIH, 8, // 0x71 - LUX High
117 EMAE, 8, // 0x78 - EMA enable
118 EMAP, 16, // 0x79 - EMA pointer
119 EMAL, 16, // 0x7b - EMA length
122 MEFE, 8, // 0x82 - MEF enable
125 TPMP, 8, // 0x8c - TPM
126 TPME, 8, // 0x8d - TPM enable
129 GTF0, 56, // 0x96 - GTF task file buffer for port 0
130 GTF1, 56, // 0x9d - GTF task file buffer for port 1
131 GTF2, 56, // 0xa4 - GTF task file buffer for port 2
132 IDEM, 8, // 0xab - IDE mode (compatible / enhanced)
133 IDET, 8, // 0xac - IDE
136 ASLB, 32, // 0xb4 - IGD OpRegion Base Address
137 IBTT, 8, // 0xb8 - IGD boot panel device
138 IPAT, 8, // 0xb9 - IGD panel type cmos option
139 ITVF, 8, // 0xba - IGD TV format cmos option
140 ITVM, 8, // 0xbb - IGD TV minor format option
141 IPSC, 8, // 0xbc - IGD panel scaling
142 IBLC, 8, // 0xbd - IGD BLC config
143 IBIA, 8, // 0xbe - IGD BIA config
144 ISSC, 8, // 0xbf - IGD SSC config
145 I409, 8, // 0xc0 - IGD 0409 modified settings
146 I509, 8, // 0xc1 - IGD 0509 modified settings
147 I609, 8, // 0xc2 - IGD 0609 modified settings
148 I709, 8, // 0xc3 - IGD 0709 modified settings
149 IDMM, 8, // 0xc4 - IGD Power conservation feature
150 IDMS, 8, // 0xc5 - IGD DVMT memory size
151 IF1E, 8, // 0xc6 - IGD function 1 enable
152 HVCO, 8, // 0xc7 - IGD HPLL VCO
153 NXD1, 32, // 0xc8 - IGD _DGS next DID1
154 NXD2, 32, // 0xcc - IGD _DGS next DID2
155 NXD3, 32, // 0xd0 - IGD _DGS next DID3
156 NXD4, 32, // 0xd4 - IGD _DGS next DID4
157 NXD5, 32, // 0xd8 - IGD _DGS next DID5
158 NXD6, 32, // 0xdc - IGD _DGS next DID6
159 NXD7, 32, // 0xe0 - IGD _DGS next DID7
160 NXD8, 32, // 0xe4 - IGD _DGS next DID8
162 ISCI, 8, // 0xe8 - IGD SMI/SCI mode (0: SCI)
163 PAVP, 8, // 0xe9 - IGD PAVP data
165 OSCC, 8, // 0xeb - PCIe OSC control
166 NPCE, 8, // 0xec - native pcie support
167 PLFL, 8, // 0xed - platform flavor
168 BREV, 8, // 0xee - board revision
169 DPBM, 8, // 0xef - digital port b mode
170 DPCM, 8, // 0xf0 - digital port c mode
171 DPDM, 8, // 0xf1 - digital port d mode
172 ALFP, 8, // 0xf2 - active lfp
173 IMON, 8, // 0xf3 - current graphics turbo imon value
174 MMIO, 8, // 0xf4 - 64bit mmio support
176 /* ChromeOS specific */
178 #include <vendorcode/google/chromeos/acpi/gnvs.asl>
181 /* Set flag to enable USB charging in S3 */
188 /* Set flag to disable USB charging in S3 */
195 /* Set flag to enable USB charging in S5 */
202 /* Set flag to disable USB charging in S5 */
209 /* Set flag to enable 3G module in S3 */
215 /* Set flag to disable 3G module in S3 */
226 /* Update Primary Thermal Zone */
227 If (CondRefOf (\_TZ.THRM, Local0)) {
228 Notify (\_TZ.THRM, 0x81)
231 /* Update Secondary Thermal Zone */
232 If (CondRefOf (\_TZ.SKIN, Local0)) {
233 Notify (\_TZ.SKIN, 0x81)
237 /* Update Fan 0 thresholds */
245 /* Update Fan 1 thresholds */
253 /* Update Fan 2 thresholds */
261 /* Update Fan 3 thresholds */
269 /* Update Fan 4 thresholds */
277 /* Update Temperature Sensor ID */