Makefile: move some flags to spl/Makefile

[oweals/u-boot.git] / spl / Makefile

diff --git a/spl/Makefile b/spl/Makefile
index f273015168e11765297b1b6f2f367eff00295521..8d0e6c3b313f88f46dcb8289756131b062b87718 100644 (file)
--- a/spl/Makefile
+++ b/spl/Makefile
@@ -19,6 +19,15 @@ include $(srctree)/scripts/Kbuild.include
 CONFIG_SPL_BUILD := y
 export CONFIG_SPL_BUILD
 
+KBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD
+ifeq ($(CONFIG_TPL_BUILD),y)
+KBUILD_CPPFLAGS += -DCONFIG_TPL_BUILD
+endif
+
+# Enable garbage collection of un-used sections for SPL
+KBUILD_CFLAGS += -ffunction-sections -fdata-sections
+LDFLAGS_FINAL += --gc-sections
+
 ifeq ($(CONFIG_TPL_BUILD),y)
 export CONFIG_TPL_BUILD
 SPL_BIN := u-boot-tpl
@@ -173,6 +182,11 @@ endif
 $(obj)$(SPL_BIN).bin:  $(obj)$(SPL_BIN)
        $(OBJCOPY) $(OBJCFLAGS) $(SPL_OBJCFLAGS) -O binary $< $@
 
+LDFLAGS_$(SPL_BIN) += -T $(obj)u-boot-spl.lds $(LDFLAGS_FINAL)
+ifneq ($(CONFIG_SPL_TEXT_BASE),)
+LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
+endif
+
 GEN_UBOOT = \
        cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $(__START) \
                --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \