Angel Pons has submitted this change. ( https://review.coreboot.org/c/coreboot/+/38354 )
Change subject: asus/p2b-ls: Replicate OEM GPO configuration ......................................................................
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 buurin@gmail.com Reviewed-on: https://review.coreboot.org/c/coreboot/+/38354 Reviewed-by: Angel Pons th3fanbus@gmail.com Tested-by: build bot (Jenkins) no-reply@coreboot.org --- M src/mainboard/asus/p2b/variants/p2b-ls/overridetree.cb 1 file changed, 4 insertions(+), 0 deletions(-)
Approvals: build bot (Jenkins): Verified Angel Pons: Looks good to me, approved
diff --git a/src/mainboard/asus/p2b/variants/p2b-ls/overridetree.cb b/src/mainboard/asus/p2b/variants/p2b-ls/overridetree.cb index bb252c0..541db02 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