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-rw-r--r--src/include/console/post_codes.h8
-rw-r--r--src/northbridge/intel/haswell/raminit.c4
2 files changed, 11 insertions, 1 deletions
diff --git a/src/include/console/post_codes.h b/src/include/console/post_codes.h
index df1d5e8837..0310db3958 100644
--- a/src/include/console/post_codes.h
+++ b/src/include/console/post_codes.h
@@ -229,6 +229,14 @@
#define POST_DEAD_CODE 0xee
/**
+ * \brief Resume from suspend failed
+ *
+ * This post code is sent when the firmware is expected to resume it is
+ * unable to do so.
+ */
+#define POST_RESUME_FAILURE 0xef
+
+/**
* \brief Final code before OS resumes
*
* Called right before jumping to the OS resume vector.
diff --git a/src/northbridge/intel/haswell/raminit.c b/src/northbridge/intel/haswell/raminit.c
index a90b360116..e916c5e8a5 100644
--- a/src/northbridge/intel/haswell/raminit.c
+++ b/src/northbridge/intel/haswell/raminit.c
@@ -156,7 +156,9 @@ void sdram_initialize(struct pei_data *pei_data)
/* If MRC data is not found we cannot continue S3 resume. */
if (pei_data->boot_mode == 2 && !pei_data->mrc_input) {
- printk(BIOS_DEBUG, "Giving up in sdram_initialize: No MRC data\n");
+ post_code(POST_RESUME_FAILURE);
+ printk(BIOS_DEBUG, "Giving up in sdram_initialize: "
+ "No MRC data\n");
outb(0x6, 0xcf9);
while(1) {
hlt();