[coreboot-gerrit] Change in coreboot[master]: sb/intel/bd82x6x: Add support to disable xHCI

[Patrick Rudolph (Code Review)]

Patrick Rudolph has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/34336 )

Change subject: sb/intel/bd82x6x: Add support to disable xHCI
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sb/intel/bd82x6x: Add support to disable xHCI

Set FD bit if xHCI is disabled in devicetree.

Change-Id: I3d08ded10daea6d86857ebbbf3f8dcc85ebe9df4
Signed-off-by: Patrick Rudolph 
---
M src/southbridge/intel/bd82x6x/pch.c
1 file changed, 4 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/36/34336/1

diff --git a/src/southbridge/intel/bd82x6x/pch.c b/src/southbridge/intel/bd82x6x/pch.c
index f8540af..3f7c75e 100644
--- a/src/southbridge/intel/bd82x6x/pch.c
+++ b/src/southbridge/intel/bd82x6x/pch.c
@@ -148,6 +148,10 @@
 static void pch_hide_devfn(unsigned devfn)
 {
    switch (devfn) {
+	case PCI_DEVFN(20, 0): /* xHCI */
+		if (pch_silicon_type() == PCH_TYPE_PPT)
+			RCBA32_OR(FD, PCH_DISABLE_XHCI);
+		break;
    case PCI_DEVFN(22, 0): /* MEI #1 */
    	RCBA32_OR(FD2, PCH_DISABLE_MEI1);
    	break;