siemens/mc_apl1: Clean up the code

This patch make some general adaptations in relation to commit 6a489237
(mainboard/intel/leafhill: Clean up).

- add necessary defaults to Kconfig
- remove irrelevant entries from FMD file
- include romstage file for better understanding

Change-Id: I190d648a7ffeca11acc6560db85ff03c78e85b21
Signed-off-by: Mario Scheithauer <mario.scheithauer@siemens.com>
Reviewed-on: https://review.coreboot.org/18808
Tested-by: build bot (Jenkins)
Reviewed-by: Andrey Petrov <andrey.petrov@intel.com>
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>

src/mainboard/siemens/mc_apl1/Kconfig

@@ -16,4 +16,8 @@ config MAINBOARD_PART_NUMBER
 	string
 	default "MC APL1"
 
+config MAX_CPUS
+	int
+	default 4
+
 endif # BOARD_SIEMENS_MC_APL1

src/mainboard/siemens/mc_apl1/Makefile.inc

@@ -1,3 +1,8 @@
 bootblock-y += bootblock.c
 
+# The inclusion of romstage.c is not necessary here.
+# It is put down only to the better understanding.
+# The file is already included over src/arch/x86/Makefile.inc.
+romstage-y += romstage.c
+
 ramstage-y += mainboard.c

src/mainboard/siemens/mc_apl1/mc_apl1.fmd

@@ -1,40 +1,14 @@
 FLASH 16M {
-	WP_RO@0x0 0xe00000 {
+	SI_DESC@0x0 0x1000
-		SI_DESC@0x0 0x1000
+	IFWI@0x1000 0x2ff000
-		IFWI@0x1000 0x23f000
+	FMAP@0x300000 0x800
-		RO_VPD@0x240000 0x4000
+	COREBOOT(CBFS)@0x300800 0xb9d800
-		RO_SECTION@0x244000 0xbbc000 {
+	UNIFIED_MRC_CACHE@0xe9e000 0x21000 {
-			FMAP@0x0 0x800
+		RECOVERY_MRC_CACHE@0x0 0x10000
-			RO_UNUSED_1@0x800 0x800
+		RW_MRC_CACHE@0x10000 0x10000
-			COREBOOT(CBFS)@0x1000 0xbb9000
+		RW_VAR_MRC_CACHE@0x20000 0x1000
-			RO_UNUSED_2@0xbba000 0x1000
-		}
 	}
-	MISC_RW@0xe00000 0x30000 {
+	BIOS_UNUSABLE@0xebf000 0x40000
-		UNIFIED_MRC_CACHE@0x0 0x21000 {
-			RECOVERY_MRC_CACHE@0x0 0x10000
-			RW_MRC_CACHE@0x10000 0x10000
-			RW_VAR_MRC_CACHE@0x20000 0x1000
-		}
-		RW_ELOG@0x21000 0x3000
-		RW_SHARED@0x24000 0x4000 {
-			SHARED_DATA@0x0 0x2000
-			VBLOCK_DEV@0x2000 0x2000
-		}
-		RW_VPD@0x28000 0x2000
-		RW_NVRAM@0x2a000 0x6000
-	}
-	BIOS_UNUSABLE@0xe30000 0xcf000
 	DEVICE_EXTENSION@0xeff000 0x100000
-	# Currently, it is required that the BIOS region be a multiple of 8KiB.
-	# This is required so that the recovery mechanism can find SIGN_CSE
-	# region aligned to 4K at the center of BIOS region. Since the
-	# descriptor at the beginning uses 4K and BIOS starts at an offset of
-	# 4K, a hole of 4K is created towards the end of the flash to compensate
-	# for the size requirement of BIOS region.
-	# FIT tool thus creates descriptor with following regions:
-	# Descriptor --> 0 to 4K
-	# BIOS       --> 4K to 0xf7f000
-	# Device ext --> 0xf7f000 to 0xfff000
 	UNUSED_HOLE@0xfff000 0x1000
 }