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-rw-r--r--src/southbridge/intel/bd82x6x/pch.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/southbridge/intel/bd82x6x/pch.c b/src/southbridge/intel/bd82x6x/pch.c
index f8540af451..e4eccd766d 100644
--- a/src/southbridge/intel/bd82x6x/pch.c
+++ b/src/southbridge/intel/bd82x6x/pch.c
@@ -148,6 +148,12 @@ void pch_iobp_update(u32 address, u32 andvalue, u32 orvalue)
static void pch_hide_devfn(unsigned devfn)
{
switch (devfn) {
+ case PCI_DEVFN(20, 0): /* xHCI */
+ if (pch_silicon_type() == PCH_TYPE_PPT) {
+ /* on CPT this bit is reserved */
+ RCBA32_OR(FD, PCH_DISABLE_XHCI);
+ }
+ break;
case PCI_DEVFN(22, 0): /* MEI #1 */
RCBA32_OR(FD2, PCH_DISABLE_MEI1);
break;