xref: /aosp_15_r20/external/coreboot/src/southbridge/amd/common/acpi/sleepstates.asl (revision b9411a12aaaa7e1e6a6fb7c5e057f44ee179a49c) 
1/* SPDX-License-Identifier: GPL-2.0-only */
2
3/* S1 support: bit 0, S2 Support: bit 1, etc. S0 & S5 assumed */
4#if CONFIG(HAVE_ACPI_RESUME)
5Name (SSFG, 0x0D)
6#else
7Name (SSFG, 0x09)
8#endif
9
10If (CONFIG(ACPI_S1_NOT_SUPPORTED)) {
11	SSFG &= 0xfe
12}
13
14If (CONFIG(DISABLE_ACPI_HIBERNATE)) {
15	SSFG &= 0xf7
16}
17
18External (\OSFG, IntObj)
19If (CondRefOf(\OSFG)) {
20	SSFG = \OSFG
21}
22
23/* Supported sleep states: */
24Name(\_S0, Package () {0x00, 0x00, 0x00, 0x00} )	/* (S0) - working state */
25
26If (SSFG & 0x01) {
27	Name(\_S1, Package () {0x01, 0x01, 0x00, 0x00} )	/* (S1) - sleeping w/CPU context */
28}
29If (SSFG & 0x02) {
30	Name(\_S2, Package () {0x02, 0x02, 0x00, 0x00} )	/* (S2) - "light" Suspend to RAM */
31}
32If (SSFG & 0x04) {
33	Name(\_S3, Package () {0x03, 0x03, 0x00, 0x00} )	/* (S3) - Suspend to RAM */
34}
35If (SSFG & 0x08) {
36	Name(\_S4, Package () {0x04, 0x04, 0x00, 0x00} )	/* (S4) - Suspend to Disk */
37}
38
39Name(\_S5, Package () {0x05, 0x05, 0x00, 0x00} )	/* (S5) - Soft Off */
40