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authorFelix Held <felix-coreboot@felixheld.de>2021-05-07 20:08:10 +0200
committerFelix Held <felix-coreboot@felixheld.de>2021-05-08 18:21:25 +0000
commit38ea678258ff89c4e46befa6f2287fb2cd5461fd (patch)
treeb7dec0c75184b16afa5f694745fc8e3585ed6948 /src
parentf061017480ed6bed412714c33b4a621271feffbb (diff)
soc/amd/picasso/acpi/cpu: move WAL1 method that calls ALIB to common
TEST=Mandolin still boots into Linux and there's no ACPI warning in dmesg. Signed-off-by: Felix Held <felix-coreboot@felixheld.de> Change-Id: I7e6d38ebeae5e55a4a65930b989838532ab9c446 Reviewed-on: https://review.coreboot.org/c/coreboot/+/53920 Reviewed-by: Raul Rangel <rrangel@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
-rw-r--r--src/soc/amd/common/acpi/alib.asl30
-rw-r--r--src/soc/amd/picasso/acpi/cpu.asl28
-rw-r--r--src/soc/amd/picasso/acpi/sb_pci0_fch.asl2
3 files changed, 31 insertions, 29 deletions
diff --git a/src/soc/amd/common/acpi/alib.asl b/src/soc/amd/common/acpi/alib.asl
new file mode 100644
index 0000000000..bf4a1376a5
--- /dev/null
+++ b/src/soc/amd/common/acpi/alib.asl
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <amdblocks/alib.h>
+
+/* The ALIB method object is defined in an SSDT */
+External(\_SB.ALIB, MethodObj)
+
+/* Wrapper method that calls ALIB function 1 to report current AC/DC state. */
+Method (WAL1)
+{
+ /* Send ALIB Function 1 the AC/DC state */
+ Local0 = Buffer (0x03) {}
+ CreateWordField (Local0, 0, F1SZ)
+ CreateByteField (Local0, 2, F1DA)
+
+ /* First argument is size i.e. 3 bytes */
+ F1SZ = 3
+
+ /*
+ * Second argument is power state i.e. AC or DC.
+ * ALIB expects AC = 0, DC = 1.
+ * PWRS reports AC = 1, DC = 0.
+ *
+ * Hence, need to invert the state of PWRS.
+ */
+ F1DA = \PWRS ^ 1
+
+ Printf ("ALIB call: func 1 params %o", Local0)
+ \_SB.ALIB (ALIB_FUNCTION_REPORT_AC_DC_STATE, Local0)
+}
diff --git a/src/soc/amd/picasso/acpi/cpu.asl b/src/soc/amd/picasso/acpi/cpu.asl
index 869602cc27..b7395fcaca 100644
--- a/src/soc/amd/picasso/acpi/cpu.asl
+++ b/src/soc/amd/picasso/acpi/cpu.asl
@@ -1,32 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
-#include <amdblocks/alib.h>
-
-/*
- * Wrapper method that calls ALIB function 1 to report current AC/DC state.
- */
-Method (WAL1)
-{
- /* Send ALIB Function 1 the AC/DC state */
- Local0 = Buffer (0x03) {}
- CreateWordField (Local0, 0, F1SZ)
- CreateByteField (Local0, 2, F1DA)
-
- /* First argument is size i.e. 3 bytes */
- F1SZ = 3
-
- /*
- * Second argument is power state i.e. AC or DC.
- * ALIB expects AC = 0, DC = 1.
- * PWRS reports AC = 1, DC = 0.
- *
- * Hence, need to invert the state of PWRS.
- */
- F1DA = \PWRS ^ 1
-
- Printf ("ALIB call: func 1 params %o", Local0)
- \_SB.ALIB (ALIB_FUNCTION_REPORT_AC_DC_STATE, Local0)
-}
+#include <soc/amd/common/acpi/alib.asl>
Method (PNOT)
{
diff --git a/src/soc/amd/picasso/acpi/sb_pci0_fch.asl b/src/soc/amd/picasso/acpi/sb_pci0_fch.asl
index 0b253c9cdc..e948bca903 100644
--- a/src/soc/amd/picasso/acpi/sb_pci0_fch.asl
+++ b/src/soc/amd/picasso/acpi/sb_pci0_fch.asl
@@ -2,8 +2,6 @@
#include <arch/ioapic.h>
-External(\_SB.ALIB, MethodObj)
-
/* System Bus */
/* _SB.PCI0 */