From c024c14790244becc5fee9cb122848128689b181 Mon Sep 17 00:00:00 2001
From: Angel Pons <th3fanbus@gmail.com>
Date: Sat, 27 Mar 2021 12:15:08 +0100
Subject: [PATCH] nb/intel/x4x: Correct sync DLL phase search

Bit 4 needs to be set then polled for after changing sync DLL taps.

Change-Id: I61b73998dec84710eec0d2561a6f4d88068e3373
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51872
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
---
 src/northbridge/intel/x4x/raminit_ddr23.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/northbridge/intel/x4x/raminit_ddr23.c b/src/northbridge/intel/x4x/raminit_ddr23.c
index 2389b5f899..1bfeaad5b0 100644
--- a/src/northbridge/intel/x4x/raminit_ddr23.c
+++ b/src/northbridge/intel/x4x/raminit_ddr23.c
@@ -862,7 +862,7 @@ static void program_dll(struct sysinfo *s)
 		i++;
 		for (; i < 16; i++) {
 			MCHBAR8_AND_OR(0x1c8, ~0x1f, i);
-			MCHBAR8_OR(0x180, 0x4);
+			MCHBAR8_OR(0x180, 0x10);
 			while (MCHBAR8(0x180) & 0x10)
 				;
 			if (MCHBAR32(0x184) == 0) {