kunimitsu: Add initial FSP2.0 support

Add placeholders for functions required when skylake
uses FSP2.0 driver, keeping the fsp1.1 flow intact.

Change-Id: I5446f8cd093af289e0f6022b53a985fa29e32471
Signed-off-by: Rizwan Qureshi <rizwan.qureshi@intel.com>
Reviewed-on: https://review.coreboot.org/16301
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/mainboard/intel/kunimitsu/Makefile.inc

@@ -34,3 +34,7 @@ ramstage-y += pei_data.c
 ramstage-y += ramstage.c
 
 smm-$(CONFIG_HAVE_SMI_HANDLER) += smihandler.c
+
+ifeq ($(CONFIG_PLATFORM_USES_FSP2_0),y)
+romstage-srcs := $(subst $(MAINBOARDDIR)/romstage.c,$(MAINBOARDDIR)/romstage_fsp20.c,$(romstage-srcs))
+endif

src/mainboard/intel/kunimitsu/ramstage.c

@@ -16,7 +16,7 @@
 #include <soc/ramstage.h>
 #include "gpio.h"
 
-void mainboard_silicon_init_params(SILICON_INIT_UPD *params)
+void mainboard_silicon_init_params(FSP_SIL_UPD *params)
 {
 	/* Configure pads prior to SiliconInit() in case there's any
 	 * dependencies during hardware initialization. */

src/mainboard/intel/kunimitsu/romstage_fsp20.c

@@ -0,0 +1,21 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Intel Corporation.
+ *
+ * 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.
+ */
+
+#include <soc/romstage.h>
+
+void mainboard_memory_init_params(struct FSPM_UPD *mupd)
+{
+	/* TODO: Read and copy SPD and fill up Rcomp and DQ param */
+}

src/mainboard/intel/kunimitsu/spd/Makefile.inc

@@ -14,7 +14,7 @@
 ## GNU General Public License for more details.
 ##
 
-romstage-y += spd.c
+romstage-$(CONFIG_PLATFORM_USES_FSP1_1) += spd.c
 
 SPD_BIN = $(obj)/spd.bin