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diff --git a/src/mainboard/google/slippy/variants/leon/Makefile.inc b/src/mainboard/google/slippy/variants/leon/Makefile.inc
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index 0000000000..5d8d9d3d6f
--- /dev/null
+++ b/src/mainboard/google/slippy/variants/leon/Makefile.inc
@@ -0,0 +1,40 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2012 Google Inc.
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation; version 2 of the License.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+## GNU General Public License for more details.
+##
+
+## DIMM SPD for on-board memory
+SPD_BIN = $(obj)/spd.bin
+
+# Order of names in SPD_SOURCES is important!
+SPD_SOURCES = Micron_4KTF25664HZ # 0: 4GB / CH0 + CH1
+SPD_SOURCES += Hynix_HMT425S6AFR6A # 1: 4GB / CH0 + CH1
+SPD_SOURCES += Samsung_K4B4G1646Q # 2: 4GB / CH0 + Ch1
+SPD_SOURCES += Micron_4KTF25664HZ # 3: space holder
+SPD_SOURCES += Micron_4KTF25664HZ # 4: space holder
+SPD_SOURCES += Hynix_HMT425S6AFR6A # 5: 2GB / CH0
+SPD_SOURCES += Samsung_K4B4G1646Q # 6: 2GB / CH0
+
+SPD_DEPS := $(foreach f, $(SPD_SOURCES), src/mainboard/$(MAINBOARDDIR)/variants/$(VARIANT_DIR)/spd/$(f).spd.hex)
+
+# Include spd ROM data
+$(SPD_BIN): $(SPD_DEPS)
+ for f in $+; \
+ do for c in $$(cat $$f | grep -v ^#); \
+ do printf $$(printf '\%o' 0x$$c); \
+ done; \
+ done > $@
+
+cbfs-files-y += spd.bin
+spd.bin-file := $(SPD_BIN)
+spd.bin-type := spd