From bd2dc2b764ad9f20bfcd71d9c67ef07fe95ab76d Mon Sep 17 00:00:00 2001 From: Keith Hui Date: Sat, 11 Jan 2020 03:54:59 -0500 Subject: asus/p2b-ls: Replicate OEM GPO configuration Replicate the GPO configurations from OEM BIOS, obtained via inteltool. Among the GPOs are termination controls for the onboard SCSI buses. TEST=read/write Maxtor Atlas 10k3 18GB HDD connected to Ultra2 LVD port Change-Id: I86183acd8e1a830d7639c21ec179fbdbe937f8ee Signed-off-by: Keith Hui Reviewed-on: https://review.coreboot.org/c/coreboot/+/38354 Reviewed-by: Angel Pons Tested-by: build bot (Jenkins) --- src/mainboard/asus/p2b/variants/p2b-ls/overridetree.cb | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'src') diff --git a/src/mainboard/asus/p2b/variants/p2b-ls/overridetree.cb b/src/mainboard/asus/p2b/variants/p2b-ls/overridetree.cb index bb252c0b0b..541db02be6 100644 --- a/src/mainboard/asus/p2b/variants/p2b-ls/overridetree.cb +++ b/src/mainboard/asus/p2b/variants/p2b-ls/overridetree.cb @@ -1,6 +1,10 @@ chip northbridge/intel/i440bx # Northbridge device domain 0 on # PCI domain chip southbridge/intel/i82371eb # Southbridge + register "gpo" = "0x7fbfb9ff" + register "gpo22_enable" = "1" # GPO22 controls LVD port termination (0=enabled) + # GPO23 controls SCSI-50 port termination (1=enabled) + # SCSI-68 port is always terminated device pci 4.0 on # ISA bridge chip superio/winbond/w83977tf # Super I/O device pnp 3f0.a off # ACPI -- cgit v1.2.3