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-rw-r--r--src/soc/intel/apollolake/include/soc/meminit.h2
-rw-r--r--src/soc/intel/apollolake/meminit.c6
2 files changed, 8 insertions, 0 deletions
diff --git a/src/soc/intel/apollolake/include/soc/meminit.h b/src/soc/intel/apollolake/include/soc/meminit.h
index b08427026f..06da347078 100644
--- a/src/soc/intel/apollolake/include/soc/meminit.h
+++ b/src/soc/intel/apollolake/include/soc/meminit.h
@@ -51,6 +51,8 @@ enum {
/* LPDDR4 module density in bits. */
enum {
+ LP4_4Gb_DENSITY = 4,
+ LP4_6Gb_DENSITY = 6,
LP4_8Gb_DENSITY = 8,
LP4_12Gb_DENSITY = 12,
LP4_16Gb_DENSITY = 16,
diff --git a/src/soc/intel/apollolake/meminit.c b/src/soc/intel/apollolake/meminit.c
index d744ac6a87..0a8a26d478 100644
--- a/src/soc/intel/apollolake/meminit.c
+++ b/src/soc/intel/apollolake/meminit.c
@@ -278,6 +278,12 @@ void meminit_lpddr4_enable_channel(FSP_M_CONFIG *cfg, int logical_chan,
int fsp_rank_density;
switch (rank_density_gb) {
+ case LP4_4Gb_DENSITY:
+ fsp_rank_density = 0;
+ break;
+ case LP4_6Gb_DENSITY:
+ fsp_rank_density = 1;
+ break;
case LP4_8Gb_DENSITY:
fsp_rank_density = 2;
break;