diff options
| author | Mario Scheithauer <mario.scheithauer@siemens.com> | 2022-01-26 11:53:00 +0100 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2022-02-01 11:55:15 +0000 |
| commit | f023270a6883b52a408281e3840add0b98435399 (patch) | |
| tree | 620d304d2b69a082c8b54d0da91ce70d95737ae4 /src/mainboard/siemens | |
| parent | b11f381740448c10908419ada0d405b05dc37dc0 (diff) | |
mb/siemens/{mc_apl1,...,mc_apl6}: Disable SATA ALPM support
Aggressive Link Power Management are no longer supported on these
mainboards and must therefore be disabled. This feature can have a
negative impact on the real-time behavior of the systems.
TEST:
- Boot into system software on mc_apl1
Change-Id: I8b08381743018790a20273ea1f61e5b0a56e6015
Signed-off-by: Mario Scheithauer <mario.scheithauer@siemens.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61402
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
Diffstat (limited to 'src/mainboard/siemens')
6 files changed, 18 insertions, 6 deletions
diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl1/devicetree.cb b/src/mainboard/siemens/mc_apl1/variants/mc_apl1/devicetree.cb index 20d44bb100..0d1cc46c11 100644 --- a/src/mainboard/siemens/mc_apl1/variants/mc_apl1/devicetree.cb +++ b/src/mainboard/siemens/mc_apl1/variants/mc_apl1/devicetree.cb @@ -72,7 +72,9 @@ chip soc/intel/apollolake device pci 0e.0 on end # - Audio device pci 0f.0 on end # - CSE device pci 11.0 on end # - ISH - device pci 12.0 on end # - SATA + device pci 12.0 on # - SATA + register "DisableSataSalpSupport" = "1" + end device pci 13.0 on # - RP 2 - PCIe A 0 - MACPHY register "pcie_rp_clkreq_pin[2]" = "0" register "pcie_rp_hotplug_enable[2]" = "0" diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl2/devicetree.cb b/src/mainboard/siemens/mc_apl1/variants/mc_apl2/devicetree.cb index 1749636157..74402566cf 100644 --- a/src/mainboard/siemens/mc_apl1/variants/mc_apl2/devicetree.cb +++ b/src/mainboard/siemens/mc_apl1/variants/mc_apl2/devicetree.cb @@ -70,7 +70,9 @@ chip soc/intel/apollolake device pci 0e.0 on end # - Audio device pci 0f.0 on end # - CSE device pci 11.0 on end # - ISH - device pci 12.0 on end # - SATA + device pci 12.0 on # - SATA + register "DisableSataSalpSupport" = "1" + end device pci 13.0 on # - RP 2 - PCIe A 0 register "pcie_rp_clkreq_pin[2]" = "CLKREQ_DISABLED" register "pcie_rp_hotplug_enable[2]" = "0" diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl3/devicetree.cb b/src/mainboard/siemens/mc_apl1/variants/mc_apl3/devicetree.cb index 45cfd850f8..449230f44b 100644 --- a/src/mainboard/siemens/mc_apl1/variants/mc_apl3/devicetree.cb +++ b/src/mainboard/siemens/mc_apl1/variants/mc_apl3/devicetree.cb @@ -67,7 +67,9 @@ chip soc/intel/apollolake device pci 0e.0 on end # - Audio device pci 0f.0 on end # - CSE device pci 11.0 on end # - ISH - device pci 12.0 on end # - SATA + device pci 12.0 on # - SATA + register "DisableSataSalpSupport" = "1" + end device pci 13.0 on # - RP 2 - PCIe A 0 register "pcie_rp_clkreq_pin[2]" = "CLKREQ_DISABLED" register "pcie_rp_hotplug_enable[2]" = "0" diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl4/devicetree.cb b/src/mainboard/siemens/mc_apl1/variants/mc_apl4/devicetree.cb index 6f37848238..58791f3f10 100644 --- a/src/mainboard/siemens/mc_apl1/variants/mc_apl4/devicetree.cb +++ b/src/mainboard/siemens/mc_apl1/variants/mc_apl4/devicetree.cb @@ -51,7 +51,9 @@ chip soc/intel/apollolake device pci 0e.0 on end # - Audio device pci 0f.0 on end # - CSE device pci 11.0 on end # - ISH - device pci 12.0 on end # - SATA + device pci 12.0 on # - SATA + register "DisableSataSalpSupport" = "1" + end device pci 13.0 on # - RP 2 - PCIe A 0 register "pcie_rp_clkreq_pin[2]" = "CLKREQ_DISABLED" register "pcie_rp_hotplug_enable[2]" = "0" diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl5/devicetree.cb b/src/mainboard/siemens/mc_apl1/variants/mc_apl5/devicetree.cb index 2500e08670..c4c2e3df9a 100644 --- a/src/mainboard/siemens/mc_apl1/variants/mc_apl5/devicetree.cb +++ b/src/mainboard/siemens/mc_apl1/variants/mc_apl5/devicetree.cb @@ -70,7 +70,9 @@ chip soc/intel/apollolake device pci 0e.0 on end # - Audio device pci 0f.0 on end # - CSE device pci 11.0 on end # - ISH - device pci 12.0 on end # - SATA + device pci 12.0 on # - SATA + register "DisableSataSalpSupport" = "1" + end device pci 13.0 on # - RP 2 - PCIe A 0 register "pcie_rp_clkreq_pin[2]" = "0" register "pcie_rp_hotplug_enable[2]" = "0" diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl6/devicetree.cb b/src/mainboard/siemens/mc_apl1/variants/mc_apl6/devicetree.cb index e058fdeb64..f75dc1cd86 100644 --- a/src/mainboard/siemens/mc_apl1/variants/mc_apl6/devicetree.cb +++ b/src/mainboard/siemens/mc_apl1/variants/mc_apl6/devicetree.cb @@ -41,7 +41,9 @@ chip soc/intel/apollolake device pci 0e.0 on end # - Audio device pci 0f.0 on end # - CSE device pci 11.0 on end # - ISH - device pci 12.0 on end # - SATA + device pci 12.0 on # - SATA + register "DisableSataSalpSupport" = "1" + end device pci 13.0 on # - RP 2 - PCIe A 0 register "pcie_rp_clkreq_pin[2]" = "CLKREQ_DISABLED" register "pcie_rp_hotplug_enable[2]" = "0" |