treewide: Add Kconfig variable MEMLAYOUT_LD_FILE

This change defines a Kconfig variable MEMLAYOUT_LD_FILE which allows
SoC/mainboard to provide a linker file for the platform. x86 already
provides a default memlayout.ld under src/arch/x86. With this new
Kconfig variable, it is possible for the SoC/mainboard code for x86 to
provide a custom linker file as well.

Makefile.inc is updated for all architectures to use this new Kconfig
variable instead of assuming memlayout.ld files under a certain
path. All non-x86 boards used memlayout.ld under mainboard
directory. However, a lot of these boards were simply including the
memlayout from SoC. So, this change also updates these mainboards and
SoCs to define the Kconfig as required.

BUG=b:155322763
TEST=Verified that abuild with --timeless option results in the same
coreboot.rom image for all boards.

Change-Id: I6a7f96643ed0519c93967ea2c3bcd881a5d6a4d6
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42292
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

1 files changed, 5 insertions, 5 deletions

diff --git a/src/arch/arm64/Makefile.inc b/src/arch/arm64/Makefile.inc
index 5fd316aa7b..920ff5db51 100644
--- a/src/arch/arm64/Makefile.inc
+++ b/src/arch/arm64/Makefile.inc
@@ -45,11 +45,11 @@ bootblock-y += memmove.S
 
 $(objcbfs)/bootblock.debug: $$(bootblock-objs) $(obj)/config.h
 	@printf "    LINK       $(subst $(obj)/,,$(@))\n"
-	$(LD_bootblock) $(LDFLAGS_bootblock) -o $@ -L$(obj) --whole-archive --start-group $(filter-out %.ld,$(bootblock-objs)) --end-group -T $(call src-to-obj,bootblock,src/mainboard/$(MAINBOARDDIR)/memlayout.ld)
+	$(LD_bootblock) $(LDFLAGS_bootblock) -o $@ -L$(obj) --whole-archive --start-group $(filter-out %.ld,$(bootblock-objs)) --end-group -T $(call src-to-obj,bootblock,$(CONFIG_MEMLAYOUT_LD_FILE))
 
 $(objcbfs)/decompressor.debug: $$(decompressor-objs) $(obj)/config.h
 	@printf "    LINK       $(subst $(obj)/,,$(@))\n"
-	$(LD_bootblock) $(LDFLAGS_bootblock) -o $@ -L$(obj) --whole-archive --start-group $(filter-out %.ld,$(decompressor-objs)) --end-group -T $(call src-to-obj,decompressor,src/mainboard/$(MAINBOARDDIR)/memlayout.ld)
+	$(LD_bootblock) $(LDFLAGS_bootblock) -o $@ -L$(obj) --whole-archive --start-group $(filter-out %.ld,$(decompressor-objs)) --end-group -T $(call src-to-obj,decompressor,$(CONFIG_MEMLAYOUT_LD_FILE))
 
 endif # CONFIG_ARCH_BOOTBLOCK_ARM64
 
@@ -61,7 +61,7 @@ ifeq ($(CONFIG_ARCH_VERSTAGE_ARM64),y)
 
 $(objcbfs)/verstage.debug: $$(verstage-objs)
 	@printf "    LINK       $(subst $(obj)/,,$(@))\n"
-	$(LD_verstage) $(LDFLAGS_verstage) -o $@ -L$(obj) --whole-archive --start-group $(filter-out %.ld,$(verstage-objs)) --end-group -T $(call src-to-obj,verstage,src/mainboard/$(MAINBOARDDIR)/memlayout.ld)
+	$(LD_verstage) $(LDFLAGS_verstage) -o $@ -L$(obj) --whole-archive --start-group $(filter-out %.ld,$(verstage-objs)) --end-group -T $(call src-to-obj,verstage,$(CONFIG_MEMLAYOUT_LD_FILE))
 
 verstage-y += boot.c
 verstage-y += div0.c
@@ -99,7 +99,7 @@ rmodules_arm64-y += eabi_compat.c
 
 $(objcbfs)/romstage.debug: $$(romstage-objs)
 	@printf "    LINK       $(subst $(obj)/,,$(@))\n"
-	$(LD_romstage) $(LDFLAGS_romstage) -o $@ -L$(obj) --whole-archive --start-group $(filter-out %.ld,$(romstage-objs)) --end-group -T $(call src-to-obj,romstage,src/mainboard/$(MAINBOARDDIR)/memlayout.ld)
+	$(LD_romstage) $(LDFLAGS_romstage) -o $@ -L$(obj) --whole-archive --start-group $(filter-out %.ld,$(romstage-objs)) --end-group -T $(call src-to-obj,romstage,$(CONFIG_MEMLAYOUT_LD_FILE))
 
 endif # CONFIG_ARCH_ROMSTAGE_ARM64
 
@@ -134,7 +134,7 @@ ramstage-srcs += $(wildcard src/mainboard/$(MAINBOARDDIR)/mainboard.c)
 
 $(objcbfs)/ramstage.debug: $$(ramstage-objs)
 	@printf "    CC         $(subst $(obj)/,,$(@))\n"
-	$(LD_ramstage) $(LDFLAGS_ramstage) -o $@ -L$(obj) --whole-archive --start-group $(filter-out %.ld,$(ramstage-objs)) --end-group -T $(call src-to-obj,ramstage,src/mainboard/$(MAINBOARDDIR)/memlayout.ld)
+	$(LD_ramstage) $(LDFLAGS_ramstage) -o $@ -L$(obj) --whole-archive --start-group $(filter-out %.ld,$(ramstage-objs)) --end-group -T $(call src-to-obj,ramstage,$(CONFIG_MEMLAYOUT_LD_FILE))
 
 # Build ARM Trusted Firmware (BL31)