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-rw-r--r--src/soc/intel/apollolake/acpi/cpu.asl99
-rw-r--r--src/soc/intel/cannonlake/acpi/cpu.asl40
-rw-r--r--src/soc/intel/common/block/acpi/acpi.c6
-rw-r--r--src/soc/intel/icelake/acpi/cpu.asl40
4 files changed, 46 insertions, 139 deletions
diff --git a/src/soc/intel/apollolake/acpi/cpu.asl b/src/soc/intel/apollolake/acpi/cpu.asl
index a202cebc0e..d42d1bbe51 100644
--- a/src/soc/intel/apollolake/acpi/cpu.asl
+++ b/src/soc/intel/apollolake/acpi/cpu.asl
@@ -13,106 +13,23 @@
* GNU General Public License for more details.
*/
-/* These devices are created at runtime */
-External (\_PR.CP00, DeviceObj)
-External (\_PR.CP01, DeviceObj)
-External (\_PR.CP02, DeviceObj)
-External (\_PR.CP03, DeviceObj)
-External (\_PR.CP04, DeviceObj)
-External (\_PR.CP05, DeviceObj)
-External (\_PR.CP06, DeviceObj)
-External (\_PR.CP07, DeviceObj)
+/* These come from the dynamically created CPU SSDT */
+External (\_PR.CNOT, MethodObj)
-/* Notify OS to re-read CPU tables, assuming ^2 CPU count */
+/* Notify OS to re-read CPU tables */
Method (PNOT)
{
- If (LGreaterEqual (\PCNT, 2)) {
- Notify (\_PR.CP00, 0x81) // _CST
- Notify (\_PR.CP01, 0x81) // _CST
- }
- If (LGreaterEqual (\PCNT, 4)) {
- Notify (\_PR.CP02, 0x81) // _CST
- Notify (\_PR.CP03, 0x81) // _CST
- }
- If (LGreaterEqual (\PCNT, 8)) {
- Notify (\_PR.CP04, 0x81) // _CST
- Notify (\_PR.CP05, 0x81) // _CST
- Notify (\_PR.CP06, 0x81) // _CST
- Notify (\_PR.CP07, 0x81) // _CST
- }
+ \_PR.CNOT (0x81)
}
-/* Notify OS to re-read CPU _PPC limit, assuming ^2 CPU count */
+/* Notify OS to re-read CPU _PPC limit */
Method (PPCN)
{
- If (LGreaterEqual (\PCNT, 2)) {
- Notify (\_PR.CP00, 0x80) // _PPC
- Notify (\_PR.CP01, 0x80) // _PPC
- }
- If (LGreaterEqual (\PCNT, 4)) {
- Notify (\_PR.CP02, 0x80) // _PPC
- Notify (\_PR.CP03, 0x80) // _PPC
- }
- If (LGreaterEqual (\PCNT, 8)) {
- Notify (\_PR.CP04, 0x80) // _PPC
- Notify (\_PR.CP05, 0x80) // _PPC
- Notify (\_PR.CP06, 0x80) // _PPC
- Notify (\_PR.CP07, 0x80) // _PPC
- }
+ \_PR.CNOT (0x80)
}
-/* Notify OS to re-read Throttle Limit tables, assuming ^2 CPU count */
+/* Notify OS to re-read Throttle Limit tables */
Method (TNOT)
{
- If (LGreaterEqual (\PCNT, 2)) {
- Notify (\_PR.CP00, 0x82) // _TPC
- Notify (\_PR.CP01, 0x82) // _TPC
- }
- If (LGreaterEqual (\PCNT, 4)) {
- Notify (\_PR.CP02, 0x82) // _TPC
- Notify (\_PR.CP03, 0x82) // _TPC
- }
- If (LGreaterEqual (\PCNT, 8)) {
- Notify (\_PR.CP04, 0x82) // _TPC
- Notify (\_PR.CP05, 0x82) // _TPC
- Notify (\_PR.CP06, 0x82) // _TPC
- Notify (\_PR.CP07, 0x82) // _TPC
- }
-}
-
-/* Return a package containing enabled processor entries */
-Method (PPKG)
-{
- If (LGreaterEqual (\PCNT, 8)) {
- Return (Package()
- {
- \_PR.CP00,
- \_PR.CP01,
- \_PR.CP02,
- \_PR.CP03,
- \_PR.CP04,
- \_PR.CP05,
- \_PR.CP06,
- \_PR.CP07
- })
- } ElseIf (LGreaterEqual (\PCNT, 4)) {
- Return (Package ()
- {
- \_PR.CP00,
- \_PR.CP01,
- \_PR.CP02,
- \_PR.CP03
- })
- } ElseIf (LGreaterEqual (\PCNT, 2)) {
- Return (Package ()
- {
- \_PR.CP00,
- \_PR.CP01
- })
- } Else {
- Return (Package ()
- {
- \_PR.CP00
- })
- }
+ \_PR.CNOT (0x82)
}
diff --git a/src/soc/intel/cannonlake/acpi/cpu.asl b/src/soc/intel/cannonlake/acpi/cpu.asl
index 79314e6a88..5f65bd8b4b 100644
--- a/src/soc/intel/cannonlake/acpi/cpu.asl
+++ b/src/soc/intel/cannonlake/acpi/cpu.asl
@@ -13,31 +13,23 @@
* GNU General Public License for more details.
*/
-/* These devices are created at runtime */
-External (\_PR.CP00, DeviceObj)
-External (\_PR.CP01, DeviceObj)
-External (\_PR.CP02, DeviceObj)
-External (\_PR.CP03, DeviceObj)
-External (\_PR.CP04, DeviceObj)
-External (\_PR.CP05, DeviceObj)
-External (\_PR.CP06, DeviceObj)
-External (\_PR.CP07, DeviceObj)
+/* These come from the dynamically created CPU SSDT */
+External (\_PR.CNOT, MethodObj)
-/* Notify OS to re-read CPU tables, assuming ^2 CPU count */
+/* Notify OS to re-read CPU tables */
Method (PNOT)
{
- If (LGreaterEqual (\PCNT, 2)) {
- Notify (\_PR.CP00, 0x81) // _CST
- Notify (\_PR.CP01, 0x81) // _CST
- }
- If (LGreaterEqual (\PCNT, 4)) {
- Notify (\_PR.CP02, 0x81) // _CST
- Notify (\_PR.CP03, 0x81) // _CST
- }
- If (LGreaterEqual (\PCNT, 8)) {
- Notify (\_PR.CP04, 0x81) // _CST
- Notify (\_PR.CP05, 0x81) // _CST
- Notify (\_PR.CP06, 0x81) // _CST
- Notify (\_PR.CP07, 0x81) // _CST
- }
+ \_PR.CNOT (0x81)
+}
+
+/* Notify OS to re-read CPU _PPC limit */
+Method (PPCN)
+{
+ \_PR.CNOT (0x80)
+}
+
+/* Notify OS to re-read Throttle Limit tables */
+Method (TNOT)
+{
+ \_PR.CNOT (0x82)
}
diff --git a/src/soc/intel/common/block/acpi/acpi.c b/src/soc/intel/common/block/acpi/acpi.c
index 870e371233..0ea6cb9d70 100644
--- a/src/soc/intel/common/block/acpi/acpi.c
+++ b/src/soc/intel/common/block/acpi/acpi.c
@@ -436,6 +436,12 @@ void generate_cpu_entries(struct device *device)
acpigen_pop_len();
}
}
+ /* PPKG is usually used for thermal management
+ of the first and only package. */
+ acpigen_write_processor_package("PPKG", 0, cores_per_package);
+
+ /* Add a method to notify processor nodes */
+ acpigen_write_processor_cnot(cores_per_package);
}
#if IS_ENABLED(CONFIG_SOC_INTEL_COMMON_ACPI_WAKE_SOURCE)
diff --git a/src/soc/intel/icelake/acpi/cpu.asl b/src/soc/intel/icelake/acpi/cpu.asl
index be6e793ab9..2981c19754 100644
--- a/src/soc/intel/icelake/acpi/cpu.asl
+++ b/src/soc/intel/icelake/acpi/cpu.asl
@@ -13,31 +13,23 @@
* GNU General Public License for more details.
*/
-/* These devices are created at runtime */
-External (\_PR.CP00, DeviceObj)
-External (\_PR.CP01, DeviceObj)
-External (\_PR.CP02, DeviceObj)
-External (\_PR.CP03, DeviceObj)
-External (\_PR.CP04, DeviceObj)
-External (\_PR.CP05, DeviceObj)
-External (\_PR.CP06, DeviceObj)
-External (\_PR.CP07, DeviceObj)
+/* These come from the dynamically created CPU SSDT */
+External (\_PR.CNOT, MethodObj)
-/* Notify OS to re-read CPU tables, assuming ^2 CPU count */
+/* Notify OS to re-read CPU tables */
Method (PNOT)
{
- If (LGreaterEqual (\PCNT, 2)) {
- Notify (\_PR.CP00, 0x81) // _CST
- Notify (\_PR.CP01, 0x81) // _CST
- }
- If (LGreaterEqual (\PCNT, 4)) {
- Notify (\_PR.CP02, 0x81) // _CST
- Notify (\_PR.CP03, 0x81) // _CST
- }
- If (LGreaterEqual (\PCNT, 8)) {
- Notify (\_PR.CP04, 0x81) // _CST
- Notify (\_PR.CP05, 0x81) // _CST
- Notify (\_PR.CP06, 0x81) // _CST
- Notify (\_PR.CP07, 0x81) // _CST
- }
+ \_PR.CNOT (0x81)
+}
+
+/* Notify OS to re-read CPU _PPC limit */
+Method (PPCN)
+{
+ \_PR.CNOT (0x80)
+}
+
+/* Notify OS to re-read Throttle Limit tables */
+Method (TNOT)
+{
+ \_PR.CNOT (0x82)
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-14 12:12:42 +0000