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-rw-r--r--src/northbridge/intel/sandybridge/raminit.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/src/northbridge/intel/sandybridge/raminit.c b/src/northbridge/intel/sandybridge/raminit.c
index 0df86d6187..bb8b25cd25 100644
--- a/src/northbridge/intel/sandybridge/raminit.c
+++ b/src/northbridge/intel/sandybridge/raminit.c
@@ -249,8 +249,17 @@ void sdram_initialize(struct pei_data *pei_data)
"call *%%ecx\n\t"
:"=a" (rv) : "c" (entry), "a" (pei_data));
if (rv) {
- printk(BIOS_ERR, "MRC returned %x\n", rv);
- die("Nonzero MRC return value\n");
+ switch (rv) {
+ case -1:
+ printk(BIOS_ERR, "PEI version mismatch.");
+ break;
+ case -2:
+ printk(BIOS_ERR, "Invalid memory frequency.\n");
+ break;
+ default:
+ printk(BIOS_ERR, "MRC returned %x.\n", rv);
+ }
+ die("Nonzero MRC return value.\n");
}
} else {
die("UEFI PEI System Agent not found.\n");