kbuild: generate u-boot.cfg as a byproduct of include/autoconf.mk

[u-boot] / scripts / Makefile.spl

diff --git a/scripts/Makefile.spl b/scripts/Makefile.spl
index 6d2017da7e975e88295629bf4dcfaa3450fa43a7..e8cf9f3865618adb0124a6150cd27a798e373d52 100644 (file)
--- a/scripts/Makefile.spl
+++ b/scripts/Makefile.spl
@@ -45,6 +45,7 @@ LDFLAGS_FINAL += --gc-sections
 # FIX ME
 cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \
                                                        $(NOSTDINC_FLAGS)
+c_flags := $(KBUILD_CFLAGS) $(cpp_flags)
 
 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)
 
@@ -53,12 +54,24 @@ libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
 
 libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/
 libs-y += common/init/
+
+# Special handling for a few options which support SPL/TPL
+ifeq ($(CONFIG_TPL_BUILD),y)
+libs-$(CONFIG_TPL_LIBCOMMON_SUPPORT) += common/ cmd/
+libs-$(CONFIG_TPL_LIBGENERIC_SUPPORT) += lib/
+else
 libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ cmd/
+libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
+endif
+
 libs-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/
 libs-y += drivers/
+libs-$(CONFIG_SPL_DFU_SUPPORT) += drivers/dfu/
+libs-$(CONFIG_SPL_DFU_SUPPORT) += drivers/usb/gadget/
+libs-$(CONFIG_SPL_DFU_SUPPORT) += drivers/usb/gadget/udc/
+libs-$(CONFIG_SPL_DFU_SUPPORT) += drivers/usb/dwc3/
 libs-y += dts/
 libs-y += fs/
-libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
 libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
 libs-$(CONFIG_SPL_NET_SUPPORT) += net/
 
@@ -76,6 +89,9 @@ endif
 
 u-boot-spl-init := $(head-y)
 u-boot-spl-main := $(libs-y)
+ifdef CONFIG_SPL_OF_PLATDATA
+u-boot-spl-platdata := $(obj)/dts/dt-platdata.o
+endif
 
 # Linker Script
 ifdef CONFIG_SPL_LDSCRIPT
@@ -140,7 +156,7 @@ spl/boot.bin: $(obj)/u-boot-spl.bin FORCE
        $(call if_changed,mkimage)
 endif
 
-ALL-y  += $(obj)/$(SPL_BIN).bin $(obj)/$(SPL_BIN).cfg
+ALL-y  += $(obj)/$(SPL_BIN).bin
 
 ifdef CONFIG_SAMSUNG
 ALL-y  += $(obj)/$(BOARD)-spl.bin
@@ -158,11 +174,8 @@ ifeq ($(CONFIG_SYS_SOC),"at91")
 ALL-y  += boot.bin
 endif
 
-ifdef CONFIG_ARCH_ZYNQ
-ALL-y  += $(obj)/boot.bin
-endif
-
-ALL-(CONFIG_ARCH_ZYNQMP)       += $(obj)/boot.bin
+ALL-$(CONFIG_ARCH_ZYNQ)                += $(obj)/boot.bin
+ALL-$(CONFIG_ARCH_ZYNQMP)      += $(obj)/boot.bin
 
 all:   $(ALL-y)
 
@@ -172,7 +185,7 @@ cmd_cat = cat $(filter-out $(PHONY), $^) > $@
 quiet_cmd_copy = COPY    $@
       cmd_copy = cp $< $@
 
-ifeq ($(CONFIG_SPL_OF_CONTROL)$(CONFIG_OF_SEPARATE),yy)
+ifeq ($(CONFIG_SPL_OF_CONTROL)$(CONFIG_OF_SEPARATE)$(CONFIG_SPL_OF_PLATDATA),yy)
 $(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin $(obj)/$(SPL_BIN)-pad.bin \
                $(obj)/$(SPL_BIN).dtb FORCE
        $(call if_changed,cat)
@@ -203,12 +216,31 @@ quiet_cmd_fdtgrep = FDTGREP $@
 $(obj)/$(SPL_BIN).dtb: dts/dt.dtb $(objtree)/tools/fdtgrep FORCE
        $(call if_changed,fdtgrep)
 
-quiet_cmd_cpp_cfg = CFG     $@
-cmd_cpp_cfg = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
-       -DDO_DEPS_ONLY -D__ASSEMBLY__ -x assembler-with-cpp -P -dM -E -o $@ $<
+pythonpath = PYTHONPATH=tools
+
+quiet_cmd_dtocc = DTOC C  $@
+cmd_dtocc = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ platdata
+
+quiet_cmd_dtoch = DTOC H  $@
+cmd_dtoch = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ struct
+
+quiet_cmd_plat = PLAT    $@
+cmd_plat = $(CC) $(c_flags) -c $< -o $@
+
+$(obj)/dts/dt-platdata.o: $(obj)/dts/dt-platdata.c include/generated/dt-structs.h
+       $(call if_changed,plat)
+
+PHONY += dts_dir
+dts_dir:
+       $(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts)
+
+include/generated/dt-structs.h: $(obj)/$(SPL_BIN).dtb dts_dir dtoc
+       $(call if_changed,dtoch)
+
+$(obj)/dts/dt-platdata.c: $(obj)/$(SPL_BIN).dtb dts_dir dtoc
+       $(call if_changed,dtocc)
 
-$(obj)/$(SPL_BIN).cfg: include/config.h FORCE
-       $(call if_changed,cpp_cfg)
+dtoc: #$(objtree)/tools/_libfdt.so
 
 ifdef CONFIG_SAMSUNG
 ifdef CONFIG_VAR_SIZE_SPL
@@ -244,19 +276,24 @@ cmd_mksunxiboot = $(objtree)/tools/mksunxiboot $< $@
 $(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE
        $(call if_changed,mksunxiboot)
 
-quiet_cmd_u-boot-spl = LD      $@
-      cmd_u-boot-spl = (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
+# Rule to link u-boot-spl
+# May be overridden by arch/$(ARCH)/config.mk
+quiet_cmd_u-boot-spl ?= LD      $@
+      cmd_u-boot-spl ?= (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
                       $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \
-                      $(patsubst $(obj)/%,%,$(u-boot-spl-main)) --end-group \
+                      $(patsubst $(obj)/%,%,$(u-boot-spl-main))  \
+                      $(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \
+                      --end-group \
                       $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN))
 
-$(obj)/$(SPL_BIN): $(u-boot-spl-init) $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE
+$(obj)/$(SPL_BIN): $(u-boot-spl-platdata) $(u-boot-spl-init) \
+               $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE
        $(call if_changed,u-boot-spl)
 
 $(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
 
 PHONY += $(u-boot-spl-dirs)
-$(u-boot-spl-dirs):
+$(u-boot-spl-dirs): $(u-boot-spl-platdata)
        $(Q)$(MAKE) $(build)=$@
 
 quiet_cmd_cpp_lds = LDS     $@