From 60d800537bd21ba788efcc6a3b41549e893e3da8 Mon Sep 17 00:00:00 2001 From: Jonathan Zhang Date: Mon, 21 Sep 2020 17:19:21 -0700 Subject: mb/ocp/deltalake: add LPC device entry in ACPI PCH LPC device is on CSTACK. Add LPC ACPI device entry. Without this change, following error message shows up in target OS boot log: ACPI BIOS Error (bug): Failure looking up [\_SB.PCI0.LPCB], AE_NOT_FOUND (20180105/dswload-211) ACPI Error: AE_NOT_FOUND, During name lookup/catalog (20180105/psobject-252) ACPI Error: AE_NOT_FOUND, (SSDT:COREBOOT) while loading table (20180105/tbxfload-228) ACPI Error: 1 table load failures, 1 successful (20180105/tbxfload-246) Also TPM device is not created. TESTED=Booted DeltaLake DVT, run following command in target OS: [root@dhcp-100-96-192-153 ~]# dmesg | grep tpm [ 7.331890] tpm_tis MSFT0101:00: 2.0 TPM (device-id 0x1B, rev-id 16) Signed-off-by: Jonathan Zhang Change-Id: I8614f6951389bd5c8f8f33522d0a9a9160ac3f66 Reviewed-on: https://review.coreboot.org/c/coreboot/+/45592 Tested-by: build bot (Jenkins) Reviewed-by: Marc Jones Reviewed-by: Angel Pons Reviewed-by: Philipp Deppenwiese --- src/mainboard/ocp/deltalake/dsdt.asl | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'src/mainboard/ocp/deltalake') diff --git a/src/mainboard/ocp/deltalake/dsdt.asl b/src/mainboard/ocp/deltalake/dsdt.asl index c74b5fecb8..4d784f304e 100644 --- a/src/mainboard/ocp/deltalake/dsdt.asl +++ b/src/mainboard/ocp/deltalake/dsdt.asl @@ -20,4 +20,10 @@ DefinitionBlock( // CPX-SP ACPI tables #include + + // LPC related entries + Scope (\_SB.PC00) + { + #include + } } -- cgit v1.2.3