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authorKyösti Mälkki <kyosti.malkki@gmail.com>2017-08-18 18:20:39 +0300
committerKyösti Mälkki <kyosti.malkki@gmail.com>2017-08-23 03:36:15 +0000
commitfb9458555413c6595dc67fe0f0d4f024570448e1 (patch)
tree947b52db8fb401c74484e03f09e5e35b8ef8c317 /src/southbridge/amd
parent714709fde638acdaa31b8e49b1f12c43f3f6b3d6 (diff)
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>
Diffstat (limited to 'src/southbridge/amd')
-rw-r--r--src/southbridge/amd/amd8111/acpi/sleepstates.asl39
1 files changed, 39 insertions, 0 deletions
diff --git a/src/southbridge/amd/amd8111/acpi/sleepstates.asl b/src/southbridge/amd/amd8111/acpi/sleepstates.asl
new file mode 100644
index 0000000000..cb6c53782f
--- /dev/null
+++ b/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 */