summaryrefslogtreecommitdiff
path: root/src/southbridge/amd/pi
diff options
context:
space:
mode:
authorKyösti Mälkki <kyosti.malkki@gmail.com>2017-08-07 21:42:46 +0300
committerKyösti Mälkki <kyosti.malkki@gmail.com>2017-08-23 03:35:58 +0000
commit390ba044dcd650e37340f1ddee98bedf1096e76d (patch)
tree9836ee3819e8de8f0b5d67150fb19644e118cefe /src/southbridge/amd/pi
parent14382453349f0ca1c11870ed10f8e7fd839851cc (diff)
downloadcoreboot-390ba044dcd650e37340f1ddee98bedf1096e76d.tar.xz
AGESA binaryPI: Consolidate and fix sleep states
SSFG was meant to be used as a mask to enable sleep states _S1 thru _S4. However as a logical instead of bitwise 'and' operation was used, all the states were enabled if only one was marked available. State _S3 is now set conditionally if HAVE_ACPI_RESUME=y. For pi/hudson this had been fixed already preprocessor. Note that all boards had SSFG == 0x0D that previously enabled ACPI S3 sleep state even when it was not available. States _S1 and _S2 still appear enabled in ASL/AML but may not actually work. TEST: 'cat /sys/power/state' and notice choice 'mem' was removed from the list of available sleep states. Change-Id: I27d616871c1771f0c87d8fba23d4ce1569607765 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/21091 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Marc Jones <marc@marcjonesconsulting.com>
Diffstat (limited to 'src/southbridge/amd/pi')
-rw-r--r--src/southbridge/amd/pi/hudson/acpi/sleepstates.asl38
1 files changed, 0 insertions, 38 deletions
diff --git a/src/southbridge/amd/pi/hudson/acpi/sleepstates.asl b/src/southbridge/amd/pi/hudson/acpi/sleepstates.asl
deleted file mode 100644
index c8ad5204ee..0000000000
--- a/src/southbridge/amd/pi/hudson/acpi/sleepstates.asl
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2007-2009 coresystems GmbH
- * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
- *
- * 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.
- */
-
-/* Supported sleep states: */
-Name(\_S0, Package () {0x00, 0x00, 0x00, 0x00} ) /* (S0) - working state */
-
-If (LAnd(SSFG, 0x01)) {
- Name(\_S1, Package () {0x01, 0x01, 0x00, 0x00} ) /* (S1) - sleeping w/CPU context */
-}
-If (LAnd(SSFG, 0x02)) {
- Name(\_S2, Package () {0x02, 0x02, 0x00, 0x00} ) /* (S2) - "light" Suspend to RAM */
-}
-#if IS_ENABLED(CONFIG_HAVE_ACPI_RESUME)
-If (LAnd(SSFG, 0x04)) {
- Name(\_S3, Package () {0x03, 0x03, 0x00, 0x00} ) /* (S3) - Suspend to RAM */
-}
-#endif
-If (LAnd(SSFG, 0x08)) {
- Name(\_S4, Package () {0x04, 0x04, 0x00, 0x00} ) /* (S4) - Suspend to Disk */
-}
-
-Name(\_S5, Package () {0x05, 0x05, 0x00, 0x00} ) /* (S5) - Soft Off */
-
-Name(\_SB.CSPS ,0) /* Current Sleep State (S0, S1, S2, S3, S4, S5) */
-Name(CSMS, 0) /* Current System State */