samus: Move SPD related information to spd directory

Put all the SPD related information in one place including
the onboard SPD sources and the board specific parsing.

BUG=chrome-os-partner:28234
TEST=Build and boot on samus

Original-Change-Id: If5cd826ecc9cc856008b7c29aa3cfade5ae7f685
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/201082
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
(cherry picked from commit f40e447cee84ebd04ab8a57250d0f56f508d52f2)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>

Change-Id: I9c10b08c3e640642e3c75696a233051bb34a2123
Reviewed-on: http://review.coreboot.org/8006
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

src/mainboard/google/samus/Makefile.inc

@@ -17,6 +17,8 @@
 ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 ##
 
+subdirs-y += spd
+
 ramstage-$(CONFIG_EC_GOOGLE_CHROMEEC) += ec.c
 
 romstage-y += chromeos.c
@@ -26,32 +28,3 @@ smm-$(CONFIG_HAVE_SMI_HANDLER) += smihandler.c
 
 romstage-y += pei_data.c
 ramstage-y += pei_data.c
-
-## DIMM SPD for on-board memory
-romstage-y += spd.c
-SPD_BIN = $(obj)/spd.bin
-
-# Order of names in SPD_SOURCES is important!
-# { GPIO69, GPIO68, GPIO67 }
-SPD_SOURCES  = empty            # 0: { 0, 0, 0 }
-SPD_SOURCES += elpida_4Gb       # 1: { 0, 0, 1 }
-SPD_SOURCES += empty            # 2: { 0, 1, 0 }
-SPD_SOURCES += elpida_8Gb       # 3: { 0, 1, 1 }
-SPD_SOURCES += empty            # 4: { 1, 0, 0 }
-SPD_SOURCES += samsung_8Gb      # 5: { 1, 0, 1 }
-SPD_SOURCES += samsung_4Gb      # 6: { 1, 1, 0 }
-SPD_SOURCES += empty            # 7: { 1, 1, 1 }
-
-SPD_DEPS := $(foreach f, $(SPD_SOURCES), src/mainboard/$(MAINBOARDDIR)/$(f).spd.hex)
-
-# Include spd rom data
-$(SPD_BIN): $(SPD_DEPS)
-	for f in $+; \
-	  do for c in $$(cat $$f | grep -v ^#); \
-	    do echo -e -n "\\x$$c"; \
-	  done; \
-	done > $@
-
-cbfs-files-y += spd.bin
-spd.bin-file := $(SPD_BIN)
-spd.bin-type := 0xab

src/mainboard/google/samus/romstage.c

@@ -26,7 +26,7 @@
 #include <broadwell/pei_data.h>
 #include <broadwell/pei_wrapper.h>
 #include <broadwell/romstage.h>
-#include "spd.h"
+#include <mainboard/google/samus/spd/spd.h>
 #include "gpio.h"
 
 void mainboard_romstage_entry(struct romstage_params *rp)

src/mainboard/google/samus/spd/Makefile.inc

@@ -0,0 +1,46 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2014 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.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program; if not, write to the Free Software
+## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+##
+
+romstage-y += spd.c
+
+SPD_BIN = $(obj)/spd.bin
+
+# { GPIO69, GPIO68, GPIO67 }
+SPD_SOURCES  = empty            # 0: { 0, 0, 0 }
+SPD_SOURCES += elpida_4Gb       # 1: { 0, 0, 1 }
+SPD_SOURCES += empty            # 2: { 0, 1, 0 }
+SPD_SOURCES += elpida_8Gb       # 3: { 0, 1, 1 }
+SPD_SOURCES += empty            # 4: { 1, 0, 0 }
+SPD_SOURCES += samsung_8Gb      # 5: { 1, 0, 1 }
+SPD_SOURCES += samsung_4Gb      # 6: { 1, 1, 0 }
+SPD_SOURCES += empty            # 7: { 1, 1, 1 }
+
+SPD_DEPS := $(foreach f, $(SPD_SOURCES), src/mainboard/$(MAINBOARDDIR)/spd/$(f).spd.hex)
+
+# Include spd rom data
+$(SPD_BIN): $(SPD_DEPS)
+	for f in $+; \
+	  do for c in $$(cat $$f | grep -v ^#); \
+	    do echo -e -n "\\x$$c"; \
+	  done; \
+	done > $@
+
+cbfs-files-y += spd.bin
+spd.bin-file := $(SPD_BIN)
+spd.bin-type := 0xab

src/mainboard/google/samus/spd/spd.c

@@ -24,8 +24,8 @@
 #include <broadwell/gpio.h>
 #include <broadwell/pei_data.h>
 #include <broadwell/romstage.h>
-#include "gpio.h"
-#include "spd.h"
+#include <mainboard/google/samus/gpio.h>
+#include <mainboard/google/samus/spd/spd.h>
 
 static void mainboard_print_spd_info(uint8_t spd[])
 {