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-rw-r--r--src/mainboard/google/falco/Makefile.inc9
-rw-r--r--src/mainboard/google/falco/romstage.c6
2 files changed, 12 insertions, 3 deletions
diff --git a/src/mainboard/google/falco/Makefile.inc b/src/mainboard/google/falco/Makefile.inc
index e19db11114..edb8cf602b 100644
--- a/src/mainboard/google/falco/Makefile.inc
+++ b/src/mainboard/google/falco/Makefile.inc
@@ -28,9 +28,12 @@ smm-$(CONFIG_HAVE_SMI_HANDLER) += smihandler.c
SPD_BIN = $(obj)/spd.bin
# Order of names in SPD_SOURCES is important!
-SPD_SOURCES = Hynix_HMT425S6AFR6A
-SPD_SOURCES += Micron_4KTF25664HZ
-SPD_SOURCES += Elpida_EDJ4216EFBG
+SPD_SOURCES = Micron_4KTF25664HZ # 4GB / CH0 + CH1
+SPD_SOURCES += Hynix_HMT425S6AFR6A # 4GB / CH0 + CH1
+SPD_SOURCES += Elpida_EDJ4216EFBG # 4GB / CH0 + CH1
+SPD_SOURCES += Micron_4KTF25664HZ # 2GB / CH0 only
+SPD_SOURCES += Hynix_HMT425S6AFR6A # 2GB / CH0 only
+SPD_SOURCES += Elpida_EDJ4216EFBG # 2GB / CH0 only
SPD_DEPS := $(foreach f, $(SPD_SOURCES), src/mainboard/$(MAINBOARDDIR)/$(f).spd.hex)
diff --git a/src/mainboard/google/falco/romstage.c b/src/mainboard/google/falco/romstage.c
index 3bf1dbd300..ef6a849391 100644
--- a/src/mainboard/google/falco/romstage.c
+++ b/src/mainboard/google/falco/romstage.c
@@ -91,6 +91,12 @@ static void copy_spd(struct pei_data *peid)
if (spd_file->len < sizeof(peid->spd_data[0]))
die("Missing SPD data.");
+ /* Index 0-2 are 4GB config with both CH0 and CH1
+ * Index 3-5 are 2GB config with CH0 only
+ */
+ if (spd_index > 2)
+ peid->dimm_channel1_disabled = 3;
+
memcpy(peid->spd_data[0],
((char*)CBFS_SUBHEADER(spd_file)) +
spd_index * sizeof(peid->spd_data[0]),