From 427e435b9ba28ebc9f5ee5535ba06c73e07f40c8 Mon Sep 17 00:00:00 2001 From: Angel Pons Date: Fri, 4 Jun 2021 13:00:36 +0200 Subject: sb/intel/bd82x6x: Drop P_LVLx support in FADT IO MWAIT redirection is not enabled, and C-states are reported using the _CST ACPI object, which overrides the P_LVLx values. Change-Id: I737bd58bcda3e7c5f6591e4c2309530ff035e2c8 Signed-off-by: Angel Pons Reviewed-on: https://review.coreboot.org/c/coreboot/+/55218 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Rudolph --- src/mainboard/google/link/devicetree.cb | 2 -- src/mainboard/google/parrot/devicetree.cb | 2 -- src/mainboard/google/stout/devicetree.cb | 2 -- src/mainboard/intel/emeraldlake2/devicetree.cb | 2 -- src/mainboard/samsung/lumpy/devicetree.cb | 2 -- src/mainboard/samsung/stumpy/devicetree.cb | 2 -- 6 files changed, 12 deletions(-) (limited to 'src/mainboard') diff --git a/src/mainboard/google/link/devicetree.cb b/src/mainboard/google/link/devicetree.cb index 33ef305d7f..fda74da3b8 100644 --- a/src/mainboard/google/link/devicetree.cb +++ b/src/mainboard/google/link/devicetree.cb @@ -58,8 +58,6 @@ chip northbridge/intel/sandybridge # Enable zero-based linear PCIe root port functions register "pcie_port_coalesce" = "1" - register "c2_latency" = "1" - device pci 16.0 on end # Management Engine Interface 1 device pci 16.1 off end # Management Engine Interface 2 device pci 16.2 off end # Management Engine IDE-R diff --git a/src/mainboard/google/parrot/devicetree.cb b/src/mainboard/google/parrot/devicetree.cb index dbbb5cd906..d748277a07 100644 --- a/src/mainboard/google/parrot/devicetree.cb +++ b/src/mainboard/google/parrot/devicetree.cb @@ -56,8 +56,6 @@ chip northbridge/intel/sandybridge # Enable zero-based linear PCIe root port functions register "pcie_port_coalesce" = "1" - register "c2_latency" = "1" - device pci 16.0 on end # Management Engine Interface 1 device pci 16.1 off end # Management Engine Interface 2 device pci 16.2 off end # Management Engine IDE-R diff --git a/src/mainboard/google/stout/devicetree.cb b/src/mainboard/google/stout/devicetree.cb index 914ab601e0..ad700cee29 100644 --- a/src/mainboard/google/stout/devicetree.cb +++ b/src/mainboard/google/stout/devicetree.cb @@ -63,8 +63,6 @@ chip northbridge/intel/sandybridge # Enable zero-based linear PCIe root port functions register "pcie_port_coalesce" = "1" - register "c2_latency" = "1" - device pci 14.0 on end # USB 3.0 Controller device pci 16.0 on end # Management Engine Interface 1 device pci 16.1 off end # Management Engine Interface 2 diff --git a/src/mainboard/intel/emeraldlake2/devicetree.cb b/src/mainboard/intel/emeraldlake2/devicetree.cb index 80ae78922b..170dbaad94 100644 --- a/src/mainboard/intel/emeraldlake2/devicetree.cb +++ b/src/mainboard/intel/emeraldlake2/devicetree.cb @@ -45,8 +45,6 @@ chip northbridge/intel/sandybridge # SuperIO range is 0x700-0x73f register "gen3_dec" = "0x003c0701" - register "c2_latency" = "1" - device pci 16.0 on end # Management Engine Interface 1 device pci 16.1 off end # Management Engine Interface 2 device pci 16.2 off end # Management Engine IDE-R diff --git a/src/mainboard/samsung/lumpy/devicetree.cb b/src/mainboard/samsung/lumpy/devicetree.cb index 85d140c45a..716d1b85fb 100644 --- a/src/mainboard/samsung/lumpy/devicetree.cb +++ b/src/mainboard/samsung/lumpy/devicetree.cb @@ -56,8 +56,6 @@ chip northbridge/intel/sandybridge register "gen2_dec" = "0x003c0b01" register "gen3_dec" = "0x00fc1601" - register "c2_latency" = "1" - device pci 16.0 on end # Management Engine Interface 1 device pci 16.1 off end # Management Engine Interface 2 device pci 16.2 off end # Management Engine IDE-R diff --git a/src/mainboard/samsung/stumpy/devicetree.cb b/src/mainboard/samsung/stumpy/devicetree.cb index 6ee21af014..90ed429ec8 100644 --- a/src/mainboard/samsung/stumpy/devicetree.cb +++ b/src/mainboard/samsung/stumpy/devicetree.cb @@ -38,8 +38,6 @@ chip northbridge/intel/sandybridge register "sata_port_map" = "0x3" - register "c2_latency" = "1" - register "gen1_dec" = "0x00fc1601" # SuperIO range is 0x700-0x73f register "gen2_dec" = "0x003c0701" -- cgit v1.2.3