[coreboot-gerrit] Change in coreboot[master]: [TESTME] nb/intel/i945/early_init.c: Detect DMI link width

[Angel Pons (Code Review)]

Angel Pons has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/43226 )

Change subject: [TESTME] nb/intel/i945/early_init.c: Detect DMI link width
......................................................................

[TESTME] nb/intel/i945/early_init.c: Detect DMI link width

UNTESTED.

Change-Id: I79829fa8fc9b26abca9983b1e3dc3a137a0ba49b
Signed-off-by: Angel Pons 
---
M src/northbridge/intel/i945/early_init.c
1 file changed, 6 insertions(+), 5 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/26/43226/1

diff --git a/src/northbridge/intel/i945/early_init.c b/src/northbridge/intel/i945/early_init.c
index f388330..cb5b520 100644
--- a/src/northbridge/intel/i945/early_init.c
+++ b/src/northbridge/intel/i945/early_init.c
@@ -399,11 +399,12 @@

reg32 = DMIBAR32(0x204);
    reg32 &= ~0x3ff;
-#if 1
-	reg32 |= 0x13f;	/* for x4 DMI only */
-#else
-	reg32 |= 0x1e4;	/* for x2 DMI only */
-#endif
+
+	if (((DMIBAR16(DMILSTS) >> 4) & 0xf) == 2)
+		reg32 |= 0x1e4;	/* for x2 DMI only */
+	else
+		reg32 |= 0x13f;	/* for x4 DMI only */
+
    DMIBAR32(0x204) = reg32;

if (pci_read_config8(PCI_DEV(0, 0x0, 0), DEVEN) & (DEVEN_D2F0 | DEVEN_D2F1)) {