diff options
Diffstat (limited to 'src/soc/intel/broadwell/acpi/ctdp.asl')
| -rw-r--r-- | src/soc/intel/broadwell/acpi/ctdp.asl | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/src/soc/intel/broadwell/acpi/ctdp.asl b/src/soc/intel/broadwell/acpi/ctdp.asl deleted file mode 100644 index 67ceb82ad8..0000000000 --- a/src/soc/intel/broadwell/acpi/ctdp.asl +++ /dev/null @@ -1,218 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ - -Scope (\_SB.PCI0.MCHC) -{ - Mutex (CTCM, 1) /* CTDP Switch Mutex (sync level 1) */ - Name (CTCC, 0) /* CTDP Current Selection */ - Name (CTCN, 0) /* CTDP Nominal Select */ - Name (CTCD, 1) /* CTDP Down Select */ - Name (CTCU, 2) /* CTDP Up Select */ - Name (SPL1, 0) /* Saved PL1 value */ - - OperationRegion (MCHB, SystemMemory, CONFIG_FIXED_MCHBAR_MMIO_BASE + 0x5000, 0x1000) - Field (MCHB, DWordAcc, Lock, Preserve) - { - Offset (0x930), /* PACKAGE_POWER_SKU */ - CTDN, 15, /* CTDP Nominal PL1 */ - Offset (0x938), /* PACKAGE_POWER_SKU_UNIT */ - PUNI, 4, /* Power Units */ - , 4, - EUNI, 5, /* Energy Units */ - , 3, - TUNI, 4, /* Time Units */ - Offset (0x958), /* PLATFORM_INFO */ - , 40, - LFM_, 8, /* Maximum Efficiency Ratio (LFM) */ - Offset (0x9a0), /* TURBO_POWER_LIMIT1 */ - PL1V, 15, /* Power Limit 1 Value */ - PL1E, 1, /* Power Limit 1 Enable */ - PL1C, 1, /* Power Limit 1 Clamp */ - PL1T, 7, /* Power Limit 1 Time */ - Offset (0x9a4), /* TURBO_POWER_LIMIT2 */ - PL2V, 15, /* Power Limit 2 Value */ - PL2E, 1, /* Power Limit 2 Enable */ - PL2C, 1, /* Power Limit 2 Clamp */ - PL2T, 7, /* Power Limit 2 Time */ - Offset (0xf3c), /* CONFIG_TDP_NOMINAL */ - TARN, 8, /* CTDP Nominal Turbo Activation Ratio */ - Offset (0xf40), /* CONFIG_TDP_LEVEL1 */ - CTDD, 15, /* CTDP Down PL1 */ - , 1, - TARD, 8, /* CTDP Down Turbo Activation Ratio */ - Offset (0xf48), /* MSR_CONFIG_TDP_LEVEL2 */ - CTDU, 15, /* CTDP Up PL1 */ - , 1, - TARU, 8, /* CTDP Up Turbo Activation Ratio */ - Offset (0xf50), /* CONFIG_TDP_CONTROL */ - CTCS, 2, /* CTDP Select */ - Offset (0xf54), /* TURBO_ACTIVATION_RATIO */ - TARS, 8, /* Turbo Activation Ratio Select */ - } - - /* - * Search CPU0 _PSS looking for control = arg0 and then - * return previous P-state entry number for new _PPC - * - * Format of _PSS: - * Name (_PSS, Package () { - * Package (6) { freq, power, tlat, blat, control, status } - * } - */ - External (\_SB.CP00._PSS) - Method (PSSS, 1, NotSerialized) - { - Local0 = 1 /* Start at P1 */ - Local1 = SizeOf (\_SB.CP00._PSS) - - While (Local0 < Local1) { - /* Store _PSS entry Control value to Local2 */ - Local2 = DeRefOf (Index (DeRefOf (Index (\_SB.CP00._PSS, Local0)), 4)) >> 8 - If (Local2 == Arg0) { - Return (Local0 - 1) - } - Local0++ - } - - Return (0) - } - - /* Calculate PL2 based on chip type */ - Method (CPL2, 1, NotSerialized) - { - /* Haswell ULT PL2 = 25W */ - /* FIXME: update for broadwell */ - Return (25 * 8) - } - - /* Set Config TDP Down */ - Method (STND, 0, Serialized) - { - If (Acquire (CTCM, 100)) { - Return (0) - } - If (CTCD == CTCC) { - Release (CTCM) - Return (0) - } - - Debug = "Set TDP Down" - - /* Set CTC */ - CTCS = CTCD - - /* Set TAR */ - TARS = TARD - - /* Set PPC limit and notify OS */ - PPCM = PSSS (TARD) - PPCN () - - /* Set PL2 */ - PL2V = CPL2 (CTDD) - - /* Set PL1 */ - PL1V = CTDD - - /* Store the new TDP Down setting */ - CTCC = CTCD - - Release (CTCM) - Return (1) - } - - /* Set Config TDP Nominal from Down */ - Method (STDN, 0, Serialized) - { - If (Acquire (CTCM, 100)) { - Return (0) - } - If (CTCN == CTCC) { - Release (CTCM) - Return (0) - } - - Debug = "Set TDP Nominal" - - /* Set PL1 */ - PL1V = CTDN - - /* Set PL2 */ - PL2V = CPL2 (CTDN) - - /* Set PPC limit and notify OS */ - PPCM = PSSS (TARN) - PPCN () - - /* Set TAR */ - TARS = TARN - - /* Set CTC */ - CTCS = CTCN - - /* Store the new TDP Nominal setting */ - CTCC = CTCN - - Release (CTCM) - Return (1) - } - - /* Calculate PL1 value based on requested TDP */ - Method (TDPP, 1, NotSerialized) - { - Return (((PUNI - 1) << 2) * Arg0) - } - - /* Enable Controllable TDP to limit PL1 to requested value */ - Method (CTLE, 1, Serialized) - { - If (Acquire (CTCM, 100)) { - Return (0) - } - - Debug = "Enable PL1 Limit" - - /* Set _PPC to LFM */ - Local0 = PSSS (LFM_) - PPCM = Local0 + 1 - \PPCN () - - /* Set TAR to LFM-1 */ - TARS = LFM_ - 1 - - /* Set PL1 to desired value */ - SPL1 = PL1V - PL1V = TDPP (Arg0) - - /* Set PL1 CLAMP bit */ - PL1C = 1 - - Release (CTCM) - Return (1) - } - - /* Disable Controllable TDP */ - Method (CTLD, 0, Serialized) - { - If (Acquire (CTCM, 100)) { - Return (0) - } - - Debug = "Disable PL1 Limit" - - /* Clear PL1 CLAMP bit */ - PL1C = 0 - - /* Set PL1 to normal value */ - PL1V = SPL1 - - /* Set TAR to 0 */ - TARS = 0 - - /* Set _PPC to 0 */ - PPCM = 0 - \PPCN () - - Release (CTCM) - Return (1) - } -} |