x86: flatten hierarchy

It never made sense to have bootblock_* in init, but
pirq_routing.c in boot, and some ld scripts on the main
level while others live in subdirectories.

This patch flattens the directory hierarchy and makes
x86 more similar to the other architectures.

Change-Id: I4056038fe7813e4d3d3042c441e7ab6076a36384
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: http://review.coreboot.org/10901
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>

48 files changed, 77 insertions, 94 deletions

diff --git a/src/arch/x86/Makefile.inc b/src/arch/x86/Makefile.inc
index 2448590ba9..4b61767aed 100644
--- a/src/arch/x86/Makefile.inc
+++ b/src/arch/x86/Makefile.inc
@@ -19,13 +19,6 @@
 ## along with this program; if not, write to the Free Software
 ## Foundation, Inc.
 ##
-###############################################################################
-# Take care of subdirectories
-###############################################################################
-subdirs-y += boot
-# subdirs-y += init
-subdirs-y += lib
-subdirs-y += smp
 
 ################################################################################
 # i386 specific tools
@@ -74,20 +67,20 @@ CBFS_BASE_ADDRESS=$(call int-add, $(call int-subtract, 0xffffffff $(CONFIG_CBFS_
 
 ifeq ($(CONFIG_ARCH_BOOTBLOCK_X86_32)$(CONFIG_ARCH_BOOTBLOCK_X86_64),y)
 
-bootblock-srcs += $(src)/arch/x86/init/failover.ld
+bootblock-srcs += $(src)/arch/x86/failover.ld
 bootblock-srcs += $(src)/cpu/x86/16bit/entry16.ld
 bootblock-srcs += $(src)/cpu/x86/16bit/reset16.ld
-bootblock-srcs += $(src)/arch/x86/lib/id.ld
+bootblock-srcs += $(src)/arch/x86/id.ld
 ifeq ($(CONFIG_CPU_INTEL_FIRMWARE_INTERFACE_TABLE),y)
 bootblock-srcs += $(src)/cpu/intel/fit/fit.ld
 endif
 
 # TODO: Why can't this use the real bootblock-y += xxx.S mechanism instead?
-bootblock_inc = $(src)/arch/x86/init/prologue.inc
+bootblock_inc = $(src)/arch/x86/prologue.inc
 bootblock_inc += $(src)/cpu/x86/16bit/entry16.inc
 bootblock_inc += $(src)/cpu/x86/16bit/reset16.inc
 bootblock_inc += $(src)/cpu/x86/32bit/entry32.inc
-bootblock_inc += $(src)/arch/x86/lib/id.inc
+bootblock_inc += $(src)/arch/x86/id.inc
 ifeq ($(CONFIG_CPU_INTEL_FIRMWARE_INTERFACE_TABLE),y)
 bootblock_inc += $(src)/cpu/intel/fit/fit.inc
 endif
@@ -97,7 +90,7 @@ ifeq ($(CONFIG_SSE),y)
 bootblock_inc += $(src)/cpu/x86/sse_enable.inc
 endif
 bootblock_inc += $(objgenerated)/bootblock.inc
-bootblock_inc += $(src)/arch/x86/lib/walkcbfs.S
+bootblock_inc += $(src)/arch/x86/walkcbfs.S
 
 bootblock_romccflags := -mcpu=i386 -O2 -D__PRE_RAM__ -D__BOOTBLOCK__
 ifeq ($(CONFIG_SSE),y)
@@ -121,7 +114,7 @@ $(objgenerated)/bootblock.s: $(objgenerated)/bootblock_inc.S $(obj)/config.h $(o
 	@printf "    CC         $(subst $(obj)/,,$(@))\n"
 	$(CC_bootblock) -MMD -x assembler-with-cpp -E -I$(src)/include -I$(src)/arch/x86/include -I$(obj) -include $(obj)/build.h -include $(obj)/config.h -I. -I$(src) $< -o $@
 
-$(objgenerated)/bootblock.inc: $(src)/arch/x86/init/$(subst ",,$(CONFIG_BOOTBLOCK_SOURCE)) $(objutil)/romcc/romcc $(OPTION_TABLE_H)
+$(objgenerated)/bootblock.inc: $(src)/arch/x86/$(subst ",,$(CONFIG_BOOTBLOCK_SOURCE)) $(objutil)/romcc/romcc $(OPTION_TABLE_H)
 	@printf "    ROMCC      $(subst $(obj)/,,$(@))\n"
 	$(CC_bootblock) $(CPPFLAGS_bootblock) -MM -MT$(objgenerated)/bootblock.inc \
 		$< > $(objgenerated)/bootblock.inc.d
@@ -144,8 +137,8 @@ endif # CONFIG_ARCH_BOOTBLOCK_X86_32 / CONFIG_ARCH_BOOTBLOCK_X86_64
 
 ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32)$(CONFIG_ARCH_ROMSTAGE_X86_64),y)
 
-crt0s = $(src)/arch/x86/init/prologue.inc
-romstage-srcs += $(src)/arch/x86/init/romstage.ld
+crt0s = $(src)/arch/x86/prologue.inc
+romstage-srcs += $(src)/arch/x86/romstage.ld
 crt0s += $(src)/cpu/x86/32bit/entry32.inc
 romstage-srcs += $(src)/cpu/x86/32bit/entry32.ld
 
@@ -160,7 +153,7 @@ crt0s += $(cpu_incs-y)
 crt0s += $(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc
 
 ifeq ($(CONFIG_ROMCC),y)
-crt0s += $(src)/arch/x86/init/crt0_romcc_epilogue.inc
+crt0s += $(src)/arch/x86/crt0_romcc_epilogue.inc
 endif
 
 ifeq ($(CONFIG_ROMCC),y)
@@ -339,3 +332,64 @@ endif
 endif # CONFIG_ARCH_RAMSTAGE_X86_32 / CONFIG_ARCH_RAMSTAGE_X86_64
 
 
+ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32)$(CONFIG_ARCH_ROMSTAGE_X86_64),y)
+
+romstage-y += cbmem.c
+romstage-y += boot.c
+
+romstage-y += cbfs_and_run.c
+romstage-$(CONFIG_ARCH_RAMSTAGE_X86_32) += cpu_common.c
+romstage-y += memset.c
+romstage-y += memcpy.c
+romstage-y += memmove.c
+romstage-y += mmap_boot.c
+
+romstage-$(CONFIG_COLLECT_TIMESTAMPS) += timestamp.c
+
+endif # CONFIG_ARCH_ROMSTAGE_X86_32 / CONFIG_ARCH_ROMSTAGE_X86_64
+
+ifeq ($(CONFIG_ARCH_RAMSTAGE_X86_32)$(CONFIG_ARCH_RAMSTAGE_X86_64),y)
+
+ramstage-y += boot.c
+ramstage-y += gdt.c
+ramstage-y += tables.c
+ramstage-y += cbmem.c
+ramstage-$(CONFIG_GENERATE_MP_TABLE) += mpspec.c
+ramstage-$(CONFIG_GENERATE_PIRQ_TABLE) += pirq_routing.c
+ramstage-$(CONFIG_HAVE_ACPI_TABLES) += acpi.c
+ramstage-$(CONFIG_GENERATE_SMBIOS_TABLES) += smbios.c
+ramstage-$(CONFIG_HAVE_ACPI_TABLES) += acpigen.c
+ramstage-$(CONFIG_HAVE_ACPI_RESUME) += wakeup.S
+
+ramstage-y += c_start.S
+ramstage-y += cpu.c
+ramstage-y += cpu_common.c
+ramstage-y += pci_ops_conf1.c
+ramstage-$(CONFIG_MMCONF_SUPPORT) += pci_ops_mmconf.c
+ramstage-y += exception.c
+ramstage-$(CONFIG_IOAPIC) += ioapic.c
+ramstage-y += memset.c
+ramstage-y += memcpy.c
+ramstage-y += memmove.c
+ramstage-y += ebda.c
+ramstage-y += mmap_boot.c
+ramstage-$(CONFIG_COOP_MULTITASKING) += thread.c
+ramstage-$(CONFIG_COOP_MULTITASKING) += thread_switch.S
+ramstage-$(CONFIG_COLLECT_TIMESTAMPS) += timestamp.c
+
+smm-y += memset.c
+smm-y += memcpy.c
+smm-y += memmove.c
+smm-y += mmap_boot.c
+
+ifeq ($(CONFIG_ARCH_RAMSTAGE_X86_32),y)
+rmodules_x86_32-y += memset.c
+rmodules_x86_32-y += memcpy.c
+rmodules_x86_32-y += memmove.c
+else
+rmodules_x86_64-y += memset.c
+rmodules_x86_64-y += memcpy.c
+rmodules_x86_64-y += memmove.c
+endif
+
+endif # CONFIG_ARCH_RAMSTAGE_X86_32 / CONFIG_ARCH_RAMSTAGE_X86_64
diff --git a/src/arch/x86/boot/acpi.c b/src/arch/x86/acpi.c
index 134e43782e..134e43782e 100644
--- a/src/arch/x86/boot/acpi.c
+++ b/src/arch/x86/acpi.c
diff --git a/src/arch/x86/boot/acpigen.c b/src/arch/x86/acpigen.c
index 3aa823c363..3aa823c363 100644
--- a/src/arch/x86/boot/acpigen.c
+++ b/src/arch/x86/acpigen.c
diff --git a/src/arch/x86/boot/boot.c b/src/arch/x86/boot.c
index 7eb87fbef6..7eb87fbef6 100644
--- a/src/arch/x86/boot/boot.c
+++ b/src/arch/x86/boot.c
diff --git a/src/arch/x86/boot/Makefile.inc b/src/arch/x86/boot/Makefile.inc
deleted file mode 100644
index 10a1efd242..0000000000
--- a/src/arch/x86/boot/Makefile.inc
+++ /dev/null
@@ -1,22 +0,0 @@
-
-ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32)$(CONFIG_ARCH_ROMSTAGE_X86_64),y)
-
-romstage-y += cbmem.c
-romstage-y += boot.c
-
-endif # CONFIG_ARCH_ROMSTAGE_X86_32 / CONFIG_ARCH_ROMSTAGE_X86_64
-
-ifeq ($(CONFIG_ARCH_RAMSTAGE_X86_32)$(CONFIG_ARCH_RAMSTAGE_X86_64),y)
-
-ramstage-y += boot.c
-ramstage-y += gdt.c
-ramstage-y += tables.c
-ramstage-y += cbmem.c
-ramstage-$(CONFIG_GENERATE_MP_TABLE) += mpspec.c
-ramstage-$(CONFIG_GENERATE_PIRQ_TABLE) += pirq_routing.c
-ramstage-$(CONFIG_HAVE_ACPI_TABLES) += acpi.c
-ramstage-$(CONFIG_GENERATE_SMBIOS_TABLES) += smbios.c
-ramstage-$(CONFIG_HAVE_ACPI_TABLES) += acpigen.c
-ramstage-$(CONFIG_HAVE_ACPI_RESUME) += wakeup.S
-
-endif # CONFIG_ARCH_RAMSTAGE_X86_32 / CONFIG_ARCH_RAMSTAGE_X86_64
diff --git a/src/arch/x86/init/bootblock_normal.c b/src/arch/x86/bootblock_normal.c
index bde2535ba6..bde2535ba6 100644
--- a/src/arch/x86/init/bootblock_normal.c
+++ b/src/arch/x86/bootblock_normal.c
diff --git a/src/arch/x86/init/bootblock_simple.c b/src/arch/x86/bootblock_simple.c
index adeecf7ba6..adeecf7ba6 100644
--- a/src/arch/x86/init/bootblock_simple.c
+++ b/src/arch/x86/bootblock_simple.c
diff --git a/src/arch/x86/lib/c_start.S b/src/arch/x86/c_start.S
index 582966bfdc..582966bfdc 100644
--- a/src/arch/x86/lib/c_start.S
+++ b/src/arch/x86/c_start.S
diff --git a/src/arch/x86/lib/cbfs_and_run.c b/src/arch/x86/cbfs_and_run.c
index b6d342623d..b6d342623d 100644
--- a/src/arch/x86/lib/cbfs_and_run.c
+++ b/src/arch/x86/cbfs_and_run.c
diff --git a/src/arch/x86/boot/cbmem.c b/src/arch/x86/cbmem.c
index e279db960c..e279db960c 100644
--- a/src/arch/x86/boot/cbmem.c
+++ b/src/arch/x86/cbmem.c
diff --git a/src/arch/x86/lib/cpu.c b/src/arch/x86/cpu.c
index 3eb7b9439e..3eb7b9439e 100644
--- a/src/arch/x86/lib/cpu.c
+++ b/src/arch/x86/cpu.c
diff --git a/src/arch/x86/lib/cpu_common.c b/src/arch/x86/cpu_common.c
index af0ab2ae98..af0ab2ae98 100644
--- a/src/arch/x86/lib/cpu_common.c
+++ b/src/arch/x86/cpu_common.c
diff --git a/src/arch/x86/init/crt0_romcc_epilogue.inc b/src/arch/x86/crt0_romcc_epilogue.inc
index ff93adbc70..ff93adbc70 100644
--- a/src/arch/x86/init/crt0_romcc_epilogue.inc
+++ b/src/arch/x86/crt0_romcc_epilogue.inc
diff --git a/src/arch/x86/lib/ebda.c b/src/arch/x86/ebda.c
index 47dfbdb1e9..47dfbdb1e9 100644
--- a/src/arch/x86/lib/ebda.c
+++ b/src/arch/x86/ebda.c
diff --git a/src/arch/x86/lib/exception.c b/src/arch/x86/exception.c
index 65181e224e..65181e224e 100644
--- a/src/arch/x86/lib/exception.c
+++ b/src/arch/x86/exception.c
diff --git a/src/arch/x86/init/failover.ld b/src/arch/x86/failover.ld
index d7aa47e249..d7aa47e249 100644
--- a/src/arch/x86/init/failover.ld
+++ b/src/arch/x86/failover.ld
diff --git a/src/arch/x86/boot/gdt.c b/src/arch/x86/gdt.c
index a21fab24ad..a21fab24ad 100644
--- a/src/arch/x86/boot/gdt.c
+++ b/src/arch/x86/gdt.c
diff --git a/src/arch/x86/lib/id.inc b/src/arch/x86/id.inc
index f8aba0b946..f8aba0b946 100644
--- a/src/arch/x86/lib/id.inc
+++ b/src/arch/x86/id.inc
diff --git a/src/arch/x86/lib/id.ld b/src/arch/x86/id.ld
index cfd091dc17..cfd091dc17 100644
--- a/src/arch/x86/lib/id.ld
+++ b/src/arch/x86/id.ld
diff --git a/src/arch/x86/init/Makefile.inc b/src/arch/x86/init/Makefile.inc
deleted file mode 100644
index 263c58e891..0000000000
--- a/src/arch/x86/init/Makefile.inc
+++ /dev/null
@@ -1 +0,0 @@
-# If you add something to this file, enable it in src/arch/x86/Makefile.inc first.
diff --git a/src/arch/x86/lib/ioapic.c b/src/arch/x86/ioapic.c
index 1b131278fd..1b131278fd 100644
--- a/src/arch/x86/lib/ioapic.c
+++ b/src/arch/x86/ioapic.c
diff --git a/src/arch/x86/lib/Makefile.inc b/src/arch/x86/lib/Makefile.inc
deleted file mode 100644
index ccfe30ae67..0000000000
--- a/src/arch/x86/lib/Makefile.inc
+++ /dev/null
@@ -1,48 +0,0 @@
-
-ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32)$(CONFIG_ARCH_ROMSTAGE_X86_64),y)
-
-romstage-y += cbfs_and_run.c
-romstage-$(CONFIG_ARCH_RAMSTAGE_X86_32) += cpu_common.c
-romstage-y += memset.c
-romstage-y += memcpy.c
-romstage-y += memmove.c
-romstage-y += mmap_boot.c
-
-endif # CONFIG_ARCH_ROMSTAGE_X86_32 / CONFIG_ARCH_ROMSTAGE_X86_64
-
-ifeq ($(CONFIG_ARCH_RAMSTAGE_X86_32)$(CONFIG_ARCH_RAMSTAGE_X86_64),y)
-
-ramstage-y += c_start.S
-ramstage-y += cpu.c
-ramstage-y += cpu_common.c
-ramstage-y += pci_ops_conf1.c
-ramstage-$(CONFIG_MMCONF_SUPPORT) += pci_ops_mmconf.c
-ramstage-y += exception.c
-ramstage-$(CONFIG_IOAPIC) += ioapic.c
-ramstage-y += memset.c
-ramstage-y += memcpy.c
-ramstage-y += memmove.c
-ramstage-y += ebda.c
-ramstage-y += mmap_boot.c
-ramstage-$(CONFIG_COOP_MULTITASKING) += thread.c
-ramstage-$(CONFIG_COOP_MULTITASKING) += thread_switch.S
-ramstage-$(CONFIG_COLLECT_TIMESTAMPS) += timestamp.c
-
-romstage-$(CONFIG_COLLECT_TIMESTAMPS) += timestamp.c
-
-smm-y += memset.c
-smm-y += memcpy.c
-smm-y += memmove.c
-smm-y += mmap_boot.c
-
-ifeq ($(CONFIG_ARCH_RAMSTAGE_X86_32),y)
-rmodules_x86_32-y += memset.c
-rmodules_x86_32-y += memcpy.c
-rmodules_x86_32-y += memmove.c
-else
-rmodules_x86_64-y += memset.c
-rmodules_x86_64-y += memcpy.c
-rmodules_x86_64-y += memmove.c
-endif
-
-endif # CONFIG_ARCH_RAMSTAGE_X86_32 / CONFIG_ARCH_RAMSTAGE_X86_64
diff --git a/src/arch/x86/lib/memcpy.c b/src/arch/x86/memcpy.c
index 4915a9eb51..4915a9eb51 100644
--- a/src/arch/x86/lib/memcpy.c
+++ b/src/arch/x86/memcpy.c
diff --git a/src/arch/x86/lib/memmove.c b/src/arch/x86/memmove.c
index ba121278da..ba121278da 100644
--- a/src/arch/x86/lib/memmove.c
+++ b/src/arch/x86/memmove.c
diff --git a/src/arch/x86/lib/memset.c b/src/arch/x86/memset.c
index d534556fd9..d534556fd9 100644
--- a/src/arch/x86/lib/memset.c
+++ b/src/arch/x86/memset.c
diff --git a/src/arch/x86/lib/mmap_boot.c b/src/arch/x86/mmap_boot.c
index 4dd269b772..4dd269b772 100644
--- a/src/arch/x86/lib/mmap_boot.c
+++ b/src/arch/x86/mmap_boot.c
diff --git a/src/arch/x86/boot/mpspec.c b/src/arch/x86/mpspec.c
index 1a0ac31fd0..1a0ac31fd0 100644
--- a/src/arch/x86/boot/mpspec.c
+++ b/src/arch/x86/mpspec.c
diff --git a/src/arch/x86/lib/pci_ops_conf1.c b/src/arch/x86/pci_ops_conf1.c
index 77df4b314f..77df4b314f 100644
--- a/src/arch/x86/lib/pci_ops_conf1.c
+++ b/src/arch/x86/pci_ops_conf1.c
diff --git a/src/arch/x86/lib/pci_ops_mmconf.c b/src/arch/x86/pci_ops_mmconf.c
index e4fa128551..e4fa128551 100644
--- a/src/arch/x86/lib/pci_ops_mmconf.c
+++ b/src/arch/x86/pci_ops_mmconf.c
diff --git a/src/arch/x86/boot/pirq_routing.c b/src/arch/x86/pirq_routing.c
index 7fe20b25ab..7fe20b25ab 100644
--- a/src/arch/x86/boot/pirq_routing.c
+++ b/src/arch/x86/pirq_routing.c
diff --git a/src/arch/x86/init/prologue.inc b/src/arch/x86/prologue.inc
index e0100b5127..e0100b5127 100644
--- a/src/arch/x86/init/prologue.inc
+++ b/src/arch/x86/prologue.inc
diff --git a/src/arch/x86/lib/romcc_console.c b/src/arch/x86/romcc_console.c
index bfc35bc74c..bfc35bc74c 100644
--- a/src/arch/x86/lib/romcc_console.c
+++ b/src/arch/x86/romcc_console.c
diff --git a/src/arch/x86/init/romstage.ld b/src/arch/x86/romstage.ld
index 951ca656a3..951ca656a3 100644
--- a/src/arch/x86/init/romstage.ld
+++ b/src/arch/x86/romstage.ld
diff --git a/src/arch/x86/boot/smbios.c b/src/arch/x86/smbios.c
index a1f05daeaf..a1f05daeaf 100644
--- a/src/arch/x86/boot/smbios.c
+++ b/src/arch/x86/smbios.c
diff --git a/src/arch/x86/lib/stages.c b/src/arch/x86/stages.c
index c06abe6793..c06abe6793 100644
--- a/src/arch/x86/lib/stages.c
+++ b/src/arch/x86/stages.c
diff --git a/src/arch/x86/boot/tables.c b/src/arch/x86/tables.c
index 3d645633f0..3d645633f0 100644
--- a/src/arch/x86/boot/tables.c
+++ b/src/arch/x86/tables.c
diff --git a/src/arch/x86/lib/thread.c b/src/arch/x86/thread.c
index f81a2d20ca..f81a2d20ca 100644
--- a/src/arch/x86/lib/thread.c
+++ b/src/arch/x86/thread.c
diff --git a/src/arch/x86/lib/thread_switch.S b/src/arch/x86/thread_switch.S
index 52d4d3094b..52d4d3094b 100644
--- a/src/arch/x86/lib/thread_switch.S
+++ b/src/arch/x86/thread_switch.S
diff --git a/src/arch/x86/lib/timestamp.c b/src/arch/x86/timestamp.c
index 9df505a570..9df505a570 100644
--- a/src/arch/x86/lib/timestamp.c
+++ b/src/arch/x86/timestamp.c
diff --git a/src/arch/x86/boot/wakeup.S b/src/arch/x86/wakeup.S
index 38d6ea43ae..38d6ea43ae 100644
--- a/src/arch/x86/boot/wakeup.S
+++ b/src/arch/x86/wakeup.S
diff --git a/src/arch/x86/lib/walkcbfs.S b/src/arch/x86/walkcbfs.S
index 60eb8b53b0..60eb8b53b0 100644
--- a/src/arch/x86/lib/walkcbfs.S
+++ b/src/arch/x86/walkcbfs.S
diff --git a/src/mainboard/bifferos/bifferboard/romstage.c b/src/mainboard/bifferos/bifferboard/romstage.c
index b0f0477986..dc616edab5 100644
--- a/src/mainboard/bifferos/bifferboard/romstage.c
+++ b/src/mainboard/bifferos/bifferboard/romstage.c
@@ -23,7 +23,7 @@
 #include <arch/io.h>
 #include <device/pnp_def.h>
 #include <pc80/mc146818rtc.h>
-#include "arch/x86/lib/romcc_console.c"
+#include "arch/x86/romcc_console.c"
 #include <console/console.h>
 #include <cpu/x86/cache.h>
 
diff --git a/src/mainboard/dmp/vortex86ex/romstage.c b/src/mainboard/dmp/vortex86ex/romstage.c
index 3dcea68fb5..36925db255 100644
--- a/src/mainboard/dmp/vortex86ex/romstage.c
+++ b/src/mainboard/dmp/vortex86ex/romstage.c
@@ -21,7 +21,7 @@
 #include <stdint.h>
 #include <arch/io.h>
 #include <stdlib.h>
-#include "arch/x86/lib/romcc_console.c"
+#include "arch/x86/romcc_console.c"
 #include <console/console.h>
 #include <cpu/x86/cache.h>
 #include <halt.h>
diff --git a/src/northbridge/intel/fsp_rangeley/Makefile.inc b/src/northbridge/intel/fsp_rangeley/Makefile.inc
index eaa1a77e88..3b88913452 100644
--- a/src/northbridge/intel/fsp_rangeley/Makefile.inc
+++ b/src/northbridge/intel/fsp_rangeley/Makefile.inc
@@ -28,7 +28,7 @@ ramstage-y += acpi.c
 ramstage-y += port_access.c
 
 romstage-y += raminit.c
-romstage-y += ../../../arch/x86/lib/walkcbfs.S
+romstage-y += ../../../arch/x86/walkcbfs.S
 romstage-y += port_access.c
 
 smm-$(CONFIG_HAVE_SMI_HANDLER) += udelay.c
diff --git a/src/northbridge/intel/fsp_sandybridge/Makefile.inc b/src/northbridge/intel/fsp_sandybridge/Makefile.inc
index 42c16fa6ca..6c5e09f9b4 100644
--- a/src/northbridge/intel/fsp_sandybridge/Makefile.inc
+++ b/src/northbridge/intel/fsp_sandybridge/Makefile.inc
@@ -31,7 +31,7 @@ romstage-y += raminit.c
 romstage-y += ram_calc.c
 romstage-y += early_init.c
 romstage-y += report_platform.c
-romstage-y += ../../../arch/x86/lib/walkcbfs.S
+romstage-y += ../../../arch/x86/walkcbfs.S
 
 smm-$(CONFIG_HAVE_SMI_HANDLER) += udelay.c
 smm-$(CONFIG_HAVE_SMI_HANDLER) += finalize.c
diff --git a/src/northbridge/intel/haswell/Makefile.inc b/src/northbridge/intel/haswell/Makefile.inc
index 330dc00b91..ad4b2ba2f3 100644
--- a/src/northbridge/intel/haswell/Makefile.inc
+++ b/src/northbridge/intel/haswell/Makefile.inc
@@ -32,7 +32,7 @@ romstage-y += raminit.c
 romstage-y += mrccache.c
 romstage-y += early_init.c
 romstage-y += report_platform.c
-romstage-y += ../../../arch/x86/lib/walkcbfs.S
+romstage-y += ../../../arch/x86/walkcbfs.S
 
 smm-$(CONFIG_HAVE_SMI_HANDLER) += finalize.c
 
diff --git a/src/northbridge/intel/nehalem/Makefile.inc b/src/northbridge/intel/nehalem/Makefile.inc
index cb02fd8a68..e5b4385ea9 100644
--- a/src/northbridge/intel/nehalem/Makefile.inc
+++ b/src/northbridge/intel/nehalem/Makefile.inc
@@ -31,7 +31,7 @@ romstage-y += ram_calc.c
 romstage-y += raminit.c
 romstage-y += early_init.c
 romstage-y += ../sandybridge/mrccache.c
-romstage-y += ../../../arch/x86/lib/walkcbfs.S
+romstage-y += ../../../arch/x86/walkcbfs.S
 
 smm-$(CONFIG_HAVE_SMI_HANDLER) += finalize.c
 
diff --git a/src/northbridge/intel/sandybridge/Makefile.inc b/src/northbridge/intel/sandybridge/Makefile.inc
index cf79459df2..407b61d8a7 100644
--- a/src/northbridge/intel/sandybridge/Makefile.inc
+++ b/src/northbridge/intel/sandybridge/Makefile.inc
@@ -40,7 +40,7 @@ romstage-$(CONFIG_NORTHBRIDGE_INTEL_SANDYBRIDGE_NATIVE) += ../../../device/dram/
 romstage-y += mrccache.c
 romstage-y += early_init.c
 romstage-y += report_platform.c
-romstage-y += ../../../arch/x86/lib/walkcbfs.S
+romstage-y += ../../../arch/x86/walkcbfs.S
 
 smm-$(CONFIG_HAVE_SMI_HANDLER) += udelay.c
 smm-$(CONFIG_HAVE_SMI_HANDLER) += finalize.c