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-rw-r--r--src/soc/intel/skylake/romstage/romstage_fsp20.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/src/soc/intel/skylake/romstage/romstage_fsp20.c b/src/soc/intel/skylake/romstage/romstage_fsp20.c
index d4606a477a..98c78a582e 100644
--- a/src/soc/intel/skylake/romstage/romstage_fsp20.c
+++ b/src/soc/intel/skylake/romstage/romstage_fsp20.c
@@ -44,6 +44,13 @@
0x8d, 0x09, 0x11, 0xcf, 0x8b, 0x9f, 0x03, 0x23 \
}
+/* Memory Channel Present Status */
+enum {
+ CHANNEL_NOT_PRESENT,
+ CHANNEL_DISABLED,
+ CHANNEL_PRESENT
+};
+
/* Save the DIMM information for SMBIOS table 17 */
static void save_dimm_info(void)
{
@@ -56,13 +63,14 @@ static void save_dimm_info(void)
struct dimm_info *dest_dimm;
struct memory_info *mem_info;
const MEMORY_INFO_DATA_HOB *memory_info_hob;
- const uint8_t smbios_memory_info_guid[16] = FSP_SMBIOS_MEMORY_INFO_GUID;
+ const uint8_t smbios_memory_info_guid[16] =
+ FSP_SMBIOS_MEMORY_INFO_GUID;
/* Locate the memory info HOB, presence validated by raminit */
memory_info_hob =
fsp_find_extension_hob_by_guid(smbios_memory_info_guid,
&hob_size);
- if (memory_info_hob == NULL) {
+ if (memory_info_hob == NULL || hob_size == 0) {
printk(BIOS_ERR, "SMBIOS MEMORY_INFO_DATA_HOB not found\n");
return;
}
@@ -84,7 +92,7 @@ static void save_dimm_info(void)
ctrlr_info = &memory_info_hob->Controller[0];
for (channel = 0; channel < MAX_CH && index < dimm_max; channel++) {
channel_info = &ctrlr_info->ChannelInfo[channel];
- if (channel_info->Status != 2)
+ if (channel_info->Status != CHANNEL_PRESENT)
continue;
for (dimm = 0; dimm < MAX_DIMM && index < dimm_max; dimm++) {
src_dimm = &channel_info->DimmInfo[dimm];