sb/amd/amd8111: Define ACPI sleep states

Note that against the specs, these definitions repeat
the sleep type also in the reserved fields 3 and 4.
For consistency, don't fix it here now.

Entry for \_S3 is now masked off if HAVE_ACPI_RESUME=n.

Change-Id: Icdc4c81d07fe7a99d5b0f8fa23e9443f58a40ab9
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/21143
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Marc Jones <marc@marcjonesconsulting.com>

src/mainboard/amd/serengeti_cheetah/dsdt.asl

@@ -26,10 +26,6 @@ DefinitionBlock ("DSDT.aml", "DSDT", 1, "AMD-K8", "AMDACPI", 100925440)
 
 	Method (FWSO, 0, NotSerialized) { }
 
-	Name (_S0, Package (0x04) { 0x00, 0x00, 0x00, 0x00 })
-	Name (_S1, Package (0x04) { 0x01, 0x01, 0x01, 0x01 })
-	Name (_S3, Package (0x04) { 0x05, 0x05, 0x05, 0x05 })
-	Name (_S5, Package (0x04) { 0x07, 0x07, 0x07, 0x07 })
 
 	Scope (_SB)
 	{

src/mainboard/amd/serengeti_cheetah_fam10/dsdt.asl

@@ -25,10 +25,6 @@ DefinitionBlock ("DSDT.aml", "DSDT", 1, "AMD-FAM10", "AMDACPI", 100925440)
 
 	Method (FWSO, 0, NotSerialized) { }
 
-	Name (_S0, Package (0x04) { 0x00, 0x00, 0x00, 0x00 })
-	Name (_S1, Package (0x04) { 0x01, 0x01, 0x01, 0x01 })
-	Name (_S3, Package (0x04) { 0x05, 0x05, 0x05, 0x05 })
-	Name (_S5, Package (0x04) { 0x07, 0x07, 0x07, 0x07 })
 
 	Scope (_SB)
 	{

src/mainboard/hp/dl145_g1/dsdt.asl

@@ -203,27 +203,7 @@ DefinitionBlock ("DSDT.aml", "DSDT", 1, "LXBIOS", "LXB-DSDT", 1)
 	// Optional
 	//}
 
-	// System \_Sx states
+	#include <southbridge/amd/amd8111/acpi/sleepstates.asl>
-	// Four bytes must be stored for each supported power state:
-	//  0:7  Value for PM1a_CNT.SLP_TYP register to enter this system state.
-	//  8:f  Value for PM1b_CNT.SLP_TYP register to enter this system state.
-	//       To enter any given state, OSPM must write the PM1a_CNT.SLP_TYP
-	//       register before the PM1b_CNT.SLP_TYP register.
-	// 10:1f Reserved
-	// The states are:
-	// S0 : Working
-	// S1 : Sleeping with Processor Context maintained
-	// S2 : Sleeping with Processor Context not maintained
-	// S3 : Same as S2, but more power saving (e.g. suspend to RAM)
-	// S4 : DRAM context not maintained (e.g. suspend to disk)
-	// S5 : Soft Off
-	// If only S0 and S5 are declared then no wake-up methods are needed
-	Name (\_S0, Package () { 0x00, 0x00, 0x00, 0x00 })
-	// S1 support should work, but never wakes up, so it's commented out
-	//Name (\_S1, Package () { 0x01, 0x01, 0x01, 0x01 })
-	//Name (\_S3, Package () { 0x05, 0x05, 0x05, 0x05 })
-	Name (\_S5, Package () { 0x07, 0x07, 0x07, 0x07 })
-	//Name (\_S5, Package () { 0x02, 0x02, 0x00, 0x00 })
 
 	Method (WAK, 1, NotSerialized) {}
 

src/mainboard/iwill/dk8_htx/dsdt.asl

@@ -14,11 +14,6 @@ DefinitionBlock ("DSDT.aml", "DSDT", 1, "AMD-K8", "AMDACPI", 100925440)
 
 	Method (FWSO, 0, NotSerialized) { }
 
-	Name (_S0, Package (0x04) { 0x00, 0x00, 0x00, 0x00 })
-	Name (_S1, Package (0x04) { 0x01, 0x01, 0x01, 0x01 })
-	Name (_S3, Package (0x04) { 0x05, 0x05, 0x05, 0x05 })
-	Name (_S5, Package (0x04) { 0x07, 0x07, 0x07, 0x07 })
-
 	Scope (_SB)
 	{
 		Device (PCI0)

src/southbridge/amd/amd8111/acpi/sleepstates.asl

@@ -0,0 +1,39 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ *
+ * 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.
+ */
+
+/* S1 support: bit 0, S2 Support: bit 1, etc. S0 & S5 assumed */
+#if IS_ENABLED(CONFIG_HAVE_ACPI_RESUME)
+Name (SSFG, 0x05)
+#else
+Name (SSFG, 0x01)
+#endif
+
+/* Supported sleep states: */
+Name(\_S0, Package () {0x00, 0x00, 0x00, 0x00} )	/* (S0) - working state */
+
+If (And(SSFG, 0x01)) {
+	Name(\_S1, Package () {0x01, 0x01, 0x01, 0x01} )	/* (S1) - sleeping w/CPU context */
+}
+If (And(SSFG, 0x02)) {
+	Name(\_S2, Package () {0x02, 0x02, 0x02, 0x02} )	/* (S2) - "light" Suspend to RAM */
+}
+If (And(SSFG, 0x04)) {
+	Name(\_S3, Package () {0x05, 0x05, 0x05, 0x05} )	/* (S3) - Suspend to RAM */
+}
+If (And(SSFG, 0x08)) {
+	Name(\_S4, Package () {0x06, 0x06, 0x06, 0x06} )	/* (S4) - Suspend to Disk */
+}
+
+Name(\_S5, Package () {0x07, 0x07, 0x07, 0x07} )	/* (S5) - Soft Off */