nb/intel/sandybridge/mrc: Handle P2P disabling via devicetree

Some Sandy Bridge boards disabled the PCI-to-PCI bridge early to avoid
probing by the MRC. We can do that for all boards instead, based on the
devicetree setting.

Change-Id: Ie64774628fde77db2a379bdba6a921a31e52fa0d
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36903
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

1 files changed, 0 insertions, 11 deletions

diff --git a/src/mainboard/roda/rv11/early_init.c b/src/mainboard/roda/rv11/early_init.c
index f1681384a8..5c5e8d8b93 100644
--- a/src/mainboard/roda/rv11/early_init.c
+++ b/src/mainboard/roda/rv11/early_init.c
@@ -16,17 +16,6 @@
 #include <northbridge/intel/sandybridge/sandybridge.h>
 #include <southbridge/intel/bd82x6x/pch.h>
 
-void mainboard_late_rcba_config(void)
-{
-	u32 reg32;
-
-	/* Disable unused devices (board specific) */
-	reg32 = RCBA32(FD);
-	/* Disable PCI bridge so MRC does not probe this bus */
-	reg32 |= PCH_DISABLE_P2P;
-	RCBA32(FD) = reg32;
-}
-
 int mainboard_should_reset_usb(int s3resume)
 {
 	return !s3resume;