x86: acpi: Add DPTF asl files
Add common DPTF (Intel Dynamic Performance and Thermal Framework) files,
taken from coreboot.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/x86/include/asm/acpi/dptf/cpu.asl b/arch/x86/include/asm/acpi/dptf/cpu.asl
new file mode 100644
index 0000000..f77d353
--- /dev/null
+++ b/arch/x86/include/asm/acpi/dptf/cpu.asl
@@ -0,0 +1,186 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2014 Google Inc.
+ * Copyright (C) 2016 Intel Corporation.
+ */
+
+External (\_PR.CP00._PSS, PkgObj)
+External (\_PR.CP00._TSS, PkgObj)
+External (\_PR.CP00._TPC, MethodObj)
+External (\_PR.CP00._PTC, PkgObj)
+External (\_PR.CP00._TSD, PkgObj)
+External (\_SB.MPDL, IntObj)
+
+Device (DPTF_CPU_DEVICE)
+{
+ Name(_ADR, DPTF_CPU_ADDR)
+
+ Method (_STA)
+ {
+ If (LEqual (\DPTE, One)) {
+ Return (0xF)
+ } Else {
+ Return (0x0)
+ }
+ }
+
+ /*
+ * Processor Throttling Controls
+ */
+
+ Method (_TSS)
+ {
+ If (CondRefOf (\_PR.CP00._TSS)) {
+ Return (\_PR.CP00._TSS)
+ } Else {
+ Return (Package ()
+ {
+ Package () { 0, 0, 0, 0, 0 }
+ })
+ }
+ }
+
+ Method (_TPC)
+ {
+ If (CondRefOf (\_PR.CP00._TPC)) {
+ Return (\_PR.CP00._TPC)
+ } Else {
+ Return (0)
+ }
+ }
+
+ Method (_PTC)
+ {
+ If (CondRefOf (\_PR.CP00._PTC)) {
+ Return (\_PR.CP00._PTC)
+ } Else {
+ Return (Package ()
+ {
+ Buffer () { 0 },
+ Buffer () { 0 }
+ })
+ }
+ }
+
+ Method (_TSD)
+ {
+ If (CondRefOf (\_PR.CP00._TSD)) {
+ Return (\_PR.CP00._TSD)
+ } Else {
+ Return (Package ()
+ {
+ Package () { 5, 0, 0, 0, 0 }
+ })
+ }
+ }
+
+ Method (_TDL)
+ {
+ If (CondRefOf (\_PR.CP00._TSS)) {
+ Store (SizeOf (\_PR.CP00._TSS), Local0)
+ Decrement (Local0)
+ Return (Local0)
+ } Else {
+ Return (0)
+ }
+ }
+
+ /*
+ * Processor Performance Control
+ */
+
+ Method (_PPC)
+ {
+ Return (0)
+ }
+
+ Method (SPPC, 1)
+ {
+ Store (Arg0, \PPCM)
+
+ /* Notify OS to re-read _PPC limit on each CPU */
+ \PPCN ()
+ }
+
+ Method (_PSS)
+ {
+ If (CondRefOf (\_PR.CP00._PSS)) {
+ Return (\_PR.CP00._PSS)
+ } Else {
+ Return (Package ()
+ {
+ Package () { 0, 0, 0, 0, 0, 0 }
+ })
+ }
+ }
+
+
+ Method (_PDL)
+ {
+ /* Check for mainboard specific _PDL override */
+ If (CondRefOf (\_SB.MPDL)) {
+ Return (\_SB.MPDL)
+ } ElseIf (CondRefOf (\_PR.CP00._PSS)) {
+ Store (SizeOf (\_PR.CP00._PSS), Local0)
+ Decrement (Local0)
+ Return (Local0)
+ } Else {
+ Return (0)
+ }
+ }
+
+ /* Return PPCC table defined by mainboard */
+ Method (PPCC)
+ {
+ Return (\_SB.MPPC)
+ }
+
+#ifdef DPTF_CPU_CRITICAL
+ Method (_CRT)
+ {
+ Return (\_SB.DPTF.CTOK (DPTF_CPU_CRITICAL))
+ }
+#endif
+
+#ifdef DPTF_CPU_PASSIVE
+ Method (_PSV)
+ {
+ Return (\_SB.DPTF.CTOK (DPTF_CPU_PASSIVE))
+ }
+#endif
+
+#ifdef DPTF_CPU_ACTIVE_AC0
+ Method (_AC0)
+ {
+ Return (\_SB.DPTF.CTOK (DPTF_CPU_ACTIVE_AC0))
+ }
+#endif
+
+#ifdef DPTF_CPU_ACTIVE_AC1
+ Method (_AC1)
+ {
+ Return (\_SB.DPTF.CTOK (DPTF_CPU_ACTIVE_AC1))
+ }
+#endif
+
+#ifdef DPTF_CPU_ACTIVE_AC2
+ Method (_AC2)
+ {
+ Return (\_SB.DPTF.CTOK (DPTF_CPU_ACTIVE_AC2))
+ }
+#endif
+
+#ifdef DPTF_CPU_ACTIVE_AC3
+ Method (_AC3)
+ {
+ Return (\_SB.DPTF.CTOK (DPTF_CPU_ACTIVE_AC3))
+ }
+#endif
+
+#ifdef DPTF_CPU_ACTIVE_AC4
+ Method (_AC4)
+ {
+ Return (\_SB.DPTF.CTOK (DPTF_CPU_ACTIVE_AC4))
+ }
+#endif
+}