diff options
Diffstat (limited to 'roms/u-boot/arch/x86/include/asm/acpi/dptf/cpu.asl')
-rw-r--r-- | roms/u-boot/arch/x86/include/asm/acpi/dptf/cpu.asl | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/roms/u-boot/arch/x86/include/asm/acpi/dptf/cpu.asl b/roms/u-boot/arch/x86/include/asm/acpi/dptf/cpu.asl new file mode 100644 index 000000000..f77d35383 --- /dev/null +++ b/roms/u-boot/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 +} |