nb/intel/sandybridge/raminit: Update PM_DLL_CONFIG to match MRC.bin
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 <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/79759
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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]) {