[XS] Change in coreboot[main]: nb/intel/sandybridge/raminit: Update PM_DLL_CONFIG

[Patrick Rudolph (Code Review)]

Attention is currently required from: Angel Pons.

Patrick Rudolph has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/79759?usp=email )

Change subject: nb/intel/sandybridge/raminit: Update PM_DLL_CONFIG
......................................................................

nb/intel/sandybridge/raminit: Update PM_DLL_CONFIG

A register dump between native and MRC.bin raminit showed
a difference in the PM_DLL_CONFIG register.
Use the same value as MRC.bin uses.

Tested on Lenovo X220: Still boots and works fine.

Change-Id: Iaf6334814c5748e5a3691a572213f433c79f382d
Signed-off-by: Patrick Rudolph 
---
M src/northbridge/intel/sandybridge/raminit_common.c
1 file changed, 4 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/59/79759/1

diff --git a/src/northbridge/intel/sandybridge/raminit_common.c b/src/northbridge/intel/sandybridge/raminit_common.c
index 2e49675..3f5e290 100644
--- a/src/northbridge/intel/sandybridge/raminit_common.c
+++ b/src/northbridge/intel/sandybridge/raminit_common.c
@@ -2833,7 +2833,10 @@
    }

mchbar_write32(PM_BW_LIMIT_CONFIG, 0x5f7003ff);
-	mchbar_write32(PM_DLL_CONFIG, 0x00073000 | ctrl->mdll_wake_delay);
+	if (IS_SANDY_CPU(ctrl->cpu))
+		mchbar_write32(PM_DLL_CONFIG, 0x000330f0);
+	else
+		mchbar_write32(PM_DLL_CONFIG, 0x00073000 | ctrl->mdll_wake_delay);

FOR_ALL_CHANNELS {
    	switch (ctrl->rankmap[channel]) {