xref: /openbmc/u-boot/scripts/Makefile.spl (revision 48263504)
1#
2# (C) Copyright 2000-2011
3# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4#
5# (C) Copyright 2011
6# Daniel Schwierzeck, daniel.schwierzeck@googlemail.com.
7#
8# (C) Copyright 2011
9# Texas Instruments Incorporated - http://www.ti.com/
10# Aneesh V <aneesh@ti.com>
11#
12# SPDX-License-Identifier:	GPL-2.0+
13#
14# Based on top-level Makefile.
15#
16
17src := $(obj)
18
19# Create output directory if not already present
20_dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj))
21
22include $(srctree)/scripts/Kbuild.include
23
24-include include/config/auto.conf
25-include $(obj)/include/autoconf.mk
26
27KBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD
28ifeq ($(CONFIG_TPL_BUILD),y)
29KBUILD_CPPFLAGS += -DCONFIG_TPL_BUILD
30endif
31
32ifeq ($(CONFIG_TPL_BUILD),y)
33SPL_BIN := u-boot-tpl
34else
35SPL_BIN := u-boot-spl
36endif
37
38ifdef CONFIG_SPL_BUILD
39SPL_ := SPL_
40ifeq ($(CONFIG_TPL_BUILD),y)
41SPL_TPL_ := TPL_
42else
43SPL_TPL_ := SPL_
44endif
45else
46SPL_ :=
47SPL_TPL_ :=
48endif
49
50include $(srctree)/config.mk
51include $(srctree)/arch/$(ARCH)/Makefile
52
53# Enable garbage collection of un-used sections for SPL
54KBUILD_CFLAGS += -ffunction-sections -fdata-sections
55LDFLAGS_FINAL += --gc-sections
56
57# FIX ME
58cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \
59							$(NOSTDINC_FLAGS)
60c_flags := $(KBUILD_CFLAGS) $(cpp_flags)
61
62HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)
63
64libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/)
65libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
66
67libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/
68libs-y += common/init/
69
70# Special handling for a few options which support SPL/TPL
71ifeq ($(CONFIG_TPL_BUILD),y)
72libs-$(CONFIG_TPL_LIBCOMMON_SUPPORT) += common/ cmd/ env/
73libs-$(CONFIG_TPL_LIBGENERIC_SUPPORT) += lib/
74else
75libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ cmd/ env/
76libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
77endif
78
79libs-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/
80libs-y += drivers/
81libs-$(CONFIG_SPL_USB_GADGET_SUPPORT) += drivers/usb/dwc3/
82libs-y += dts/
83libs-y += fs/
84libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
85libs-$(CONFIG_SPL_NET_SUPPORT) += net/
86
87head-y		:= $(addprefix $(obj)/,$(head-y))
88libs-y		:= $(addprefix $(obj)/,$(libs-y))
89u-boot-spl-dirs	:= $(patsubst %/,%,$(filter %/, $(libs-y)))
90
91libs-y := $(patsubst %/, %/built-in.o, $(libs-y))
92
93# Add GCC lib
94ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
95PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
96PLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
97endif
98
99u-boot-spl-init := $(head-y)
100u-boot-spl-main := $(libs-y)
101ifdef CONFIG_$(SPL_TPL_)OF_PLATDATA
102u-boot-spl-platdata := $(obj)/dts/dt-platdata.o
103endif
104
105# Linker Script
106# First test whether there's a linker-script for the specific stage defined...
107ifneq ($(CONFIG_$(SPL_TPL_)LDSCRIPT),)
108# need to strip off double quotes
109LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_$(SPL_TPL_)LDSCRIPT:"%"=%))
110else
111# ...then fall back to the generic SPL linker-script
112ifneq ($(CONFIG_SPL_LDSCRIPT),)
113# need to strip off double quotes
114LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
115endif
116endif
117
118ifeq ($(wildcard $(LDSCRIPT)),)
119	LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds
120endif
121ifeq ($(wildcard $(LDSCRIPT)),)
122	LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds
123endif
124ifeq ($(wildcard $(LDSCRIPT)),)
125	LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds
126endif
127ifeq ($(wildcard $(LDSCRIPT)),)
128$(error could not find linker script)
129endif
130
131# Special flags for CPP when processing the linker script.
132# Pass the version down so we can handle backwards compatibility
133# on the fly.
134LDPPFLAGS += \
135	-include $(srctree)/include/u-boot/u-boot.lds.h \
136	-include $(objtree)/include/config.h \
137	-DCPUDIR=$(CPUDIR) \
138	$(shell $(LD) --version | \
139	  sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
140
141MKIMAGEOUTPUT ?= /dev/null
142
143quiet_cmd_mkimage = MKIMAGE $@
144cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
145	$(if $(KBUILD_VERBOSE:1=), >$(MKIMAGEOUTPUT))
146
147MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE)
148
149MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE)
150
151MLO MLO.byteswap: $(obj)/u-boot-spl.bin FORCE
152	$(call if_changed,mkimage)
153
154ifeq ($(CONFIG_SYS_SOC),"at91")
155MKIMAGEFLAGS_boot.bin = -T atmelimage
156
157ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y)
158MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params)
159
160boot.bin: $(obj)/../tools/atmel_pmecc_params
161endif
162
163boot.bin: $(obj)/u-boot-spl.bin FORCE
164	$(call if_changed,mkimage)
165else
166ifdef CONFIG_ARCH_ZYNQ
167MKIMAGEFLAGS_boot.bin = -T zynqimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE)
168endif
169ifdef CONFIG_ARCH_ZYNQMP
170MKIMAGEFLAGS_boot.bin = -T zynqmpimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE) \
171	-n $(srctree)/$(CONFIG_PMUFW_INIT_FILE)
172endif
173
174spl/boot.bin: $(obj)/u-boot-spl.bin FORCE
175	$(call if_changed,mkimage)
176endif
177
178ALL-y	+= $(obj)/$(SPL_BIN).bin
179
180ifdef CONFIG_SAMSUNG
181ALL-y	+= $(obj)/$(BOARD)-spl.bin
182endif
183
184ifdef CONFIG_ARCH_SOCFPGA
185ALL-y	+= $(obj)/$(SPL_BIN).sfp
186endif
187
188ifdef CONFIG_ARCH_SUNXI
189ALL-y	+= $(obj)/sunxi-spl.bin
190
191ifdef CONFIG_NAND_SUNXI
192ALL-y	+= $(obj)/sunxi-spl-with-ecc.bin
193endif
194endif
195
196ifeq ($(CONFIG_SYS_SOC),"at91")
197ALL-y	+= boot.bin
198endif
199
200ALL-$(CONFIG_SPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-16bit-spl.bin
201
202ALL-$(CONFIG_ARCH_ZYNQ)		+= $(obj)/boot.bin
203ALL-$(CONFIG_ARCH_ZYNQMP)	+= $(obj)/boot.bin
204
205all:	$(ALL-y)
206
207quiet_cmd_cat = CAT     $@
208cmd_cat = cat $(filter-out $(PHONY), $^) > $@
209
210quiet_cmd_copy = COPY    $@
211      cmd_copy = cp $< $@
212
213ifneq ($(CONFIG_SPL_MULTI_DTB_FIT),y)
214FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).dtb
215else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_LZO),y)
216FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.lzo
217else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_GZIP),y)
218FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.gz
219else
220FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit
221endif
222
223
224ifeq ($(CONFIG_$(SPL_TPL_)OF_CONTROL)$(CONFIG_OF_SEPARATE)$(CONFIG_$(SPL_TPL_)OF_PLATDATA),yy)
225$(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin \
226		$(if $(CONFIG_SPL_SEPARATE_BSS),,$(obj)/$(SPL_BIN)-pad.bin) \
227		$(FINAL_DTB_CONTAINER)  FORCE
228	$(call if_changed,cat)
229
230$(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-dtb.bin FORCE
231	$(call if_changed,copy)
232else
233$(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-nodtb.bin FORCE
234	$(call if_changed,copy)
235endif
236
237# Create a file that pads from the end of u-boot-spl-nodtb.bin to bss_end
238$(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN)
239	@bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \
240	dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null;
241
242$(obj)/$(SPL_BIN).dtb: dts/dt-spl.dtb FORCE
243	$(call if_changed,copy)
244
245pythonpath = PYTHONPATH=scripts/dtc/pylibfdt
246
247quiet_cmd_dtocc = DTOC C  $@
248cmd_dtocc = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ platdata
249
250quiet_cmd_dtoch = DTOC H  $@
251cmd_dtoch = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ struct
252
253quiet_cmd_plat = PLAT    $@
254cmd_plat = $(CC) $(c_flags) -c $< -o $@
255
256$(obj)/dts/dt-platdata.o: $(obj)/dts/dt-platdata.c \
257		include/generated/dt-structs-gen.h
258	$(call if_changed,plat)
259
260PHONY += dts_dir
261dts_dir:
262	$(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts)
263
264include/generated/dt-structs-gen.h: $(obj)/$(SPL_BIN).dtb dts_dir FORCE
265	$(call if_changed,dtoch)
266
267$(obj)/dts/dt-platdata.c: $(obj)/$(SPL_BIN).dtb dts_dir FORCE
268	$(call if_changed,dtocc)
269
270ifdef CONFIG_SAMSUNG
271ifdef CONFIG_VAR_SIZE_SPL
272VAR_SIZE_PARAM = --vs
273else
274VAR_SIZE_PARAM =
275endif
276$(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
277	$(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
278	$(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
279	$(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
280endif
281
282quiet_cmd_objcopy = OBJCOPY $@
283cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
284
285OBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary \
286		$(if $(CONFIG_SPL_X86_16BIT_INIT),-R .start16 -R .resetvec)
287
288$(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE
289	$(call if_changed,objcopy)
290
291OBJCOPYFLAGS_u-boot-x86-16bit-spl.bin := -O binary -j .start16 -j .resetvec
292$(obj)/u-boot-x86-16bit-spl.bin: $(obj)/u-boot-spl FORCE
293	$(call if_changed,objcopy)
294
295LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
296
297# Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
298LDFLAGS_$(SPL_BIN) += $(call ld-option, --no-dynamic-linker)
299
300# First try the best-match (i.e. SPL_TEXT_BASE for SPL, TPL_TEXT_BASE for TPL)
301ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),)
302LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_$(SPL_TPL_)TEXT_BASE)
303else
304# And then fall back to just testing for SPL_TEXT_BASE, even if in TPL mode
305ifneq ($(CONFIG_SPL_TEXT_BASE),)
306LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
307endif
308endif
309
310MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage
311$(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE
312	$(call if_changed,mkimage)
313
314quiet_cmd_mksunxiboot = MKSUNXI $@
315cmd_mksunxiboot = $(objtree)/tools/mksunxiboot \
316			--default-dt $(CONFIG_DEFAULT_DEVICE_TREE) $< $@
317$(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE
318	$(call if_changed,mksunxiboot)
319
320quiet_cmd_sunxi_spl_image_builder = SUNXI_SPL_IMAGE_BUILDER $@
321cmd_sunxi_spl_image_builder = $(objtree)/tools/sunxi-spl-image-builder \
322				-c $(CONFIG_NAND_SUNXI_SPL_ECC_STRENGTH)/$(CONFIG_NAND_SUNXI_SPL_ECC_SIZE) \
323				-p $(CONFIG_SYS_NAND_PAGE_SIZE) \
324				-o $(CONFIG_SYS_NAND_OOBSIZE) \
325				-u $(CONFIG_NAND_SUNXI_SPL_USABLE_PAGE_SIZE) \
326				-e $(CONFIG_SYS_NAND_BLOCK_SIZE) \
327				-s -b $< $@
328$(obj)/sunxi-spl-with-ecc.bin: $(obj)/sunxi-spl.bin
329	$(call if_changed,sunxi_spl_image_builder)
330
331# Rule to link u-boot-spl
332# May be overridden by arch/$(ARCH)/config.mk
333quiet_cmd_u-boot-spl ?= LD      $@
334      cmd_u-boot-spl ?= (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
335		       $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \
336		       $(patsubst $(obj)/%,%,$(u-boot-spl-main))  \
337		       $(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \
338		       --end-group \
339		       $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN))
340
341$(obj)/$(SPL_BIN): $(u-boot-spl-platdata) $(u-boot-spl-init) \
342		$(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE
343	$(call if_changed,u-boot-spl)
344
345$(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
346
347PHONY += $(u-boot-spl-dirs)
348$(u-boot-spl-dirs): $(u-boot-spl-platdata)
349	$(Q)$(MAKE) $(build)=$@
350
351quiet_cmd_cpp_lds = LDS     $@
352cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
353		-D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $<
354
355$(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
356	$(call if_changed_dep,cpp_lds)
357
358# read all saved command lines
359
360targets := $(wildcard $(sort $(targets)))
361cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
362
363ifneq ($(cmd_files),)
364  $(cmd_files): ;	# Do not try to update included dependency files
365  include $(cmd_files)
366endif
367
368PHONY += FORCE
369FORCE:
370
371PHONY += dtbs
372dtbs:
373	$(Q)$(MAKE) $(build)=dts dtbs
374
375# Declare the contents of the .PHONY variable as phony.  We keep that
376# information in a variable so we can use it in if_changed and friends.
377.PHONY: $(PHONY)
378
379SHRUNK_ARCH_DTB = $(patsubst %,$(obj)/dts/%.dtb,$(subst ",,$(CONFIG_SPL_OF_LIST)))
380.SECONDEXPANSION:
381$(SHRUNK_ARCH_DTB): $$(patsubst $(obj)/dts/%, arch/$(ARCH)/dts/%, $$@)
382	$(call if_changed,fdtgrep)
383
384MKIMAGEFLAGS_$(SPL_BIN).multidtb.fit = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
385	-n "Multi DTB fit image for $(SPL_BIN)" -E \
386	$(patsubst %,-b %,$(SHRUNK_ARCH_DTB))
387
388$(obj)/$(SPL_BIN).multidtb.fit: /dev/null $(SHRUNK_ARCH_DTB) FORCE
389	$(call if_changed,mkimage)
390
391$(obj)/$(SPL_BIN).multidtb.fit.gz: $(obj)/$(SPL_BIN).multidtb.fit
392	@gzip -kf9 $< > $@
393
394$(obj)/$(SPL_BIN).multidtb.fit.lzo: $(obj)/$(SPL_BIN).multidtb.fit
395	@lzop -f9 $< > $@
396