Merge branch 'master' of git://git.denx.de/u-boot
[platform/kernel/u-boot.git] / scripts / Makefile.spl
1 # SPDX-License-Identifier: GPL-2.0+
2 #
3 # (C) Copyright 2000-2011
4 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 #
6 # (C) Copyright 2011
7 # Daniel Schwierzeck, daniel.schwierzeck@googlemail.com.
8 #
9 # (C) Copyright 2011
10 # Texas Instruments Incorporated - http://www.ti.com/
11 # Aneesh V <aneesh@ti.com>
12 # Based on top-level Makefile.
13 #
14
15 src := $(obj)
16
17 # Create output directory if not already present
18 _dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj))
19
20 include $(srctree)/scripts/Kbuild.include
21
22 -include include/config/auto.conf
23 -include $(obj)/include/autoconf.mk
24
25 KBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD
26 ifeq ($(CONFIG_TPL_BUILD),y)
27 KBUILD_CPPFLAGS += -DCONFIG_TPL_BUILD
28 endif
29
30 ifeq ($(CONFIG_TPL_BUILD),y)
31 SPL_BIN := u-boot-tpl
32 else
33 SPL_BIN := u-boot-spl
34 endif
35
36 ifdef CONFIG_SPL_BUILD
37 SPL_ := SPL_
38 ifeq ($(CONFIG_TPL_BUILD),y)
39 SPL_TPL_ := TPL_
40 else
41 SPL_TPL_ := SPL_
42 endif
43 else
44 SPL_ :=
45 SPL_TPL_ :=
46 endif
47
48 ifeq ($(obj)$(CONFIG_SUPPORT_SPL),spl)
49 $(error You cannot build SPL without enabling CONFIG_SUPPORT_SPL)
50 endif
51 ifeq ($(obj)$(CONFIG_SUPPORT_TPL),tpl)
52 $(error You cannot build TPL without enabling CONFIG_SUPPORT_TPL)
53 endif
54
55 include $(srctree)/config.mk
56 include $(srctree)/arch/$(ARCH)/Makefile
57
58 include $(srctree)/scripts/Makefile.lib
59
60 # Enable garbage collection of un-used sections for SPL
61 KBUILD_CFLAGS += -ffunction-sections -fdata-sections
62 LDFLAGS_FINAL += --gc-sections
63
64 # FIX ME
65 cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \
66                                                         $(NOSTDINC_FLAGS)
67 c_flags := $(KBUILD_CFLAGS) $(cpp_flags)
68
69 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)
70
71 libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/)
72 libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
73
74 libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/
75 libs-y += common/init/
76
77 # Special handling for a few options which support SPL/TPL
78 ifeq ($(CONFIG_TPL_BUILD),y)
79 libs-$(CONFIG_TPL_LIBCOMMON_SUPPORT) += common/ cmd/ env/
80 libs-$(CONFIG_TPL_LIBGENERIC_SUPPORT) += lib/
81 else
82 libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ cmd/ env/
83 libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
84 ifdef CONFIG_SPL_FRAMEWORK
85 libs-$(CONFIG_PARTITIONS) += disk/
86 endif
87 endif
88
89 libs-y += drivers/
90 libs-$(CONFIG_SPL_USB_GADGET) += drivers/usb/dwc3/
91 libs-y += dts/
92 libs-y += fs/
93 libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
94 libs-$(CONFIG_SPL_NET_SUPPORT) += net/
95
96 head-y          := $(addprefix $(obj)/,$(head-y))
97 libs-y          := $(addprefix $(obj)/,$(libs-y))
98 u-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y)))
99
100 libs-y := $(patsubst %/, %/built-in.o, $(libs-y))
101
102 # Add GCC lib
103 ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
104 PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
105 PLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
106 endif
107
108 u-boot-spl-init := $(head-y)
109 u-boot-spl-main := $(libs-y)
110 ifdef CONFIG_$(SPL_TPL_)OF_PLATDATA
111 u-boot-spl-platdata := $(obj)/dts/dt-platdata.o
112 endif
113
114 # Linker Script
115 # First test whether there's a linker-script for the specific stage defined...
116 ifneq ($(CONFIG_$(SPL_TPL_)LDSCRIPT),)
117 # need to strip off double quotes
118 LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_$(SPL_TPL_)LDSCRIPT:"%"=%))
119 else
120 # ...then fall back to the generic SPL linker-script
121 ifneq ($(CONFIG_SPL_LDSCRIPT),)
122 # need to strip off double quotes
123 LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
124 endif
125 endif
126
127 ifeq ($(wildcard $(LDSCRIPT)),)
128         LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds
129 endif
130 ifeq ($(wildcard $(LDSCRIPT)),)
131         LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds
132 endif
133 ifeq ($(wildcard $(LDSCRIPT)),)
134         LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds
135 endif
136 ifeq ($(wildcard $(LDSCRIPT)),)
137 $(error could not find linker script)
138 endif
139
140 # Special flags for CPP when processing the linker script.
141 # Pass the version down so we can handle backwards compatibility
142 # on the fly.
143 LDPPFLAGS += \
144         -include $(srctree)/include/u-boot/u-boot.lds.h \
145         -include $(objtree)/include/config.h \
146         -DCPUDIR=$(CPUDIR) \
147         $(shell $(LD) --version | \
148           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
149
150 # Turn various CONFIG symbols into IMAGE symbols for easy reuse of
151 # the scripts between SPL and TPL.
152 ifneq ($(CONFIG_$(SPL_TPL_)MAX_SIZE),)
153 LDPPFLAGS += -DIMAGE_MAX_SIZE=$(CONFIG_$(SPL_TPL_)MAX_SIZE)
154 endif
155 ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),)
156 LDPPFLAGS += -DIMAGE_TEXT_BASE=$(CONFIG_$(SPL_TPL_)TEXT_BASE)
157 endif
158
159 MKIMAGEOUTPUT ?= /dev/null
160
161 quiet_cmd_mkimage = MKIMAGE $@
162 cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
163         >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT))
164
165 quiet_cmd_mkfitimage = MKIMAGE $@
166 cmd_mkfitimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -f $(SPL_ITS) -E $@ \
167         $(if $(KBUILD_VERBOSE:1=), MKIMAGEOUTPUT)
168
169 MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE)
170
171 MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE)
172
173 MLO MLO.byteswap: $(obj)/u-boot-spl.bin FORCE
174         $(call if_changed,mkimage)
175
176 ifeq ($(CONFIG_SYS_SOC),"at91")
177 MKIMAGEFLAGS_boot.bin = -T atmelimage
178
179 ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y)
180 MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params)
181
182 boot.bin: $(obj)/../tools/atmel_pmecc_params
183 endif
184
185 boot.bin: $(obj)/u-boot-spl.bin FORCE
186         $(call if_changed,mkimage)
187 else
188 ifdef CONFIG_ARCH_ZYNQ
189 MKIMAGEFLAGS_boot.bin = -T zynqimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE)
190 endif
191 ifdef CONFIG_ARCH_ZYNQMP
192 ifneq ($(CONFIG_PMUFW_INIT_FILE),"")
193 spl/boot.bin: zynqmp-check-pmufw
194 zynqmp-check-pmufw: FORCE
195         ( cd $(srctree) && test -r $(CONFIG_PMUFW_INIT_FILE) ) \
196                 || ( echo "Cannot read $(CONFIG_PMUFW_INIT_FILE)" && false )
197 endif
198 MKIMAGEFLAGS_boot.bin = -T zynqmpimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE) \
199         -n "$(shell cd $(srctree); readlink -f $(CONFIG_PMUFW_INIT_FILE))"
200 endif
201
202 $(obj)/$(SPL_BIN)-align.bin: $(obj)/$(SPL_BIN).bin
203         @dd if=$< of=$@ conv=block,sync bs=4 2>/dev/null;
204
205 spl/boot.bin: $(obj)/$(SPL_BIN)-align.bin FORCE
206         $(call if_changed,mkimage)
207 endif
208
209 ALL-y   += $(obj)/$(SPL_BIN).bin
210
211 ifdef CONFIG_SAMSUNG
212 ALL-y   += $(obj)/$(BOARD)-spl.bin
213 endif
214
215 ifneq ($(CONFIG_TARGET_SOCFPGA_GEN5)$(CONFIG_TARGET_SOCFPGA_ARRIA10),)
216 ALL-y   += $(obj)/$(SPL_BIN).sfp
217 endif
218
219 ifdef CONFIG_ARCH_SUNXI
220 ALL-y   += $(obj)/sunxi-spl.bin
221
222 ifdef CONFIG_NAND_SUNXI
223 ALL-y   += $(obj)/sunxi-spl-with-ecc.bin
224 endif
225 endif
226
227 ifeq ($(CONFIG_SYS_SOC),"at91")
228 ALL-y   += boot.bin
229 endif
230
231 ALL-$(CONFIG_SPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-16bit-spl.bin
232
233 ALL-$(CONFIG_ARCH_ZYNQ)         += $(obj)/boot.bin
234 ALL-$(CONFIG_ARCH_ZYNQMP)       += $(obj)/boot.bin
235
236 ALL-$(CONFIG_ARCH_MEDIATEK)     += $(obj)/u-boot-spl-mtk.bin
237
238 all:    $(ALL-y)
239
240 quiet_cmd_cat = CAT     $@
241 cmd_cat = cat $(filter-out $(PHONY), $^) > $@
242
243 quiet_cmd_copy = COPY    $@
244       cmd_copy = cp $< $@
245
246 ifneq ($(CONFIG_SPL_MULTI_DTB_FIT),y)
247 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).dtb
248 else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_LZO),y)
249 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.lzo
250 else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_GZIP),y)
251 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.gz
252 else
253 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit
254 endif
255
256
257 ifeq ($(CONFIG_$(SPL_TPL_)OF_CONTROL)$(CONFIG_OF_SEPARATE)$(CONFIG_$(SPL_TPL_)OF_PLATDATA),yy)
258 $(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin \
259                 $(if $(CONFIG_SPL_SEPARATE_BSS),,$(obj)/$(SPL_BIN)-pad.bin) \
260                 $(FINAL_DTB_CONTAINER)  FORCE
261         $(call if_changed,cat)
262
263 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-dtb.bin FORCE
264         $(call if_changed,copy)
265 else
266 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-nodtb.bin FORCE
267         $(call if_changed,copy)
268 endif
269
270 # Create a file that pads from the end of u-boot-spl-nodtb.bin to bss_end
271 $(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN)
272         @bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \
273         dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null;
274
275 $(obj)/$(SPL_BIN).dtb: dts/dt-spl.dtb FORCE
276         $(call if_changed,copy)
277
278 pythonpath = PYTHONPATH=scripts/dtc/pylibfdt
279
280 quiet_cmd_dtocc = DTOC C  $@
281 cmd_dtocc = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ platdata
282
283 quiet_cmd_dtoch = DTOC H  $@
284 cmd_dtoch = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ struct
285
286 quiet_cmd_plat = PLAT    $@
287 cmd_plat = $(CC) $(c_flags) -c $< -o $@
288
289 $(obj)/dts/dt-platdata.o: $(obj)/dts/dt-platdata.c \
290                 include/generated/dt-structs-gen.h
291         $(call if_changed,plat)
292
293 PHONY += dts_dir
294 dts_dir:
295         $(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts)
296
297 include/generated/dt-structs-gen.h: $(obj)/$(SPL_BIN).dtb dts_dir FORCE
298         $(call if_changed,dtoch)
299
300 $(obj)/dts/dt-platdata.c: $(obj)/$(SPL_BIN).dtb dts_dir FORCE
301         $(call if_changed,dtocc)
302
303 ifdef CONFIG_SAMSUNG
304 ifdef CONFIG_VAR_SIZE_SPL
305 VAR_SIZE_PARAM = --vs
306 else
307 VAR_SIZE_PARAM =
308 endif
309 $(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
310         $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
311         $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
312         $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
313 endif
314
315 quiet_cmd_objcopy = OBJCOPY $@
316 cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
317
318 OBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary \
319                 $(if $(CONFIG_SPL_X86_16BIT_INIT),-R .start16 -R .resetvec)
320
321 $(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE
322         $(call if_changed,objcopy)
323
324 OBJCOPYFLAGS_u-boot-x86-16bit-spl.bin := -O binary -j .start16 -j .resetvec
325 $(obj)/u-boot-x86-16bit-spl.bin: $(obj)/u-boot-spl FORCE
326         $(call if_changed,objcopy)
327
328 LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
329
330 # Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
331 LDFLAGS_$(SPL_BIN) += $(call ld-option, --no-dynamic-linker)
332
333 # Pick the best-match (i.e. SPL_TEXT_BASE for SPL, TPL_TEXT_BASE for TPL)
334 ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),)
335 LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_$(SPL_TPL_)TEXT_BASE)
336 endif
337
338 ifdef CONFIG_TARGET_SOCFPGA_ARRIA10
339 MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage_v1
340 else
341 MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage
342 endif
343 $(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE
344         $(call if_changed,mkimage)
345
346 quiet_cmd_mksunxiboot = MKSUNXI $@
347 cmd_mksunxiboot = $(objtree)/tools/mksunxiboot \
348                         --default-dt $(CONFIG_DEFAULT_DEVICE_TREE) $< $@
349 $(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE
350         $(call if_changed,mksunxiboot)
351
352 quiet_cmd_sunxi_spl_image_builder = SUNXI_SPL_IMAGE_BUILDER $@
353 cmd_sunxi_spl_image_builder = $(objtree)/tools/sunxi-spl-image-builder \
354                                 -c $(CONFIG_NAND_SUNXI_SPL_ECC_STRENGTH)/$(CONFIG_NAND_SUNXI_SPL_ECC_SIZE) \
355                                 -p $(CONFIG_SYS_NAND_PAGE_SIZE) \
356                                 -o $(CONFIG_SYS_NAND_OOBSIZE) \
357                                 -u $(CONFIG_NAND_SUNXI_SPL_USABLE_PAGE_SIZE) \
358                                 -e $(CONFIG_SYS_NAND_BLOCK_SIZE) \
359                                 -s -b $< $@
360 $(obj)/sunxi-spl-with-ecc.bin: $(obj)/sunxi-spl.bin
361         $(call if_changed,sunxi_spl_image_builder)
362
363
364 # MediaTek's specific SPL build
365 MKIMAGEFLAGS_u-boot-spl-mtk.bin = -T mtk_image \
366         -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) \
367         -n "$(patsubst "%",%,$(CONFIG_MTK_BROM_HEADER_INFO))"
368
369 $(obj)/u-boot-spl-mtk.bin: $(obj)/u-boot-spl.bin FORCE
370         $(call if_changed,mkimage)
371
372 # Rule to link u-boot-spl
373 # May be overridden by arch/$(ARCH)/config.mk
374 quiet_cmd_u-boot-spl ?= LD      $@
375       cmd_u-boot-spl ?= (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
376                        $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \
377                        $(patsubst $(obj)/%,%,$(u-boot-spl-main))  \
378                        $(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \
379                        --end-group \
380                        $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN))
381
382 $(obj)/$(SPL_BIN): $(u-boot-spl-platdata) $(u-boot-spl-init) \
383                 $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE
384         $(call if_changed,u-boot-spl)
385
386 $(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
387
388 PHONY += $(u-boot-spl-dirs)
389 $(u-boot-spl-dirs): $(u-boot-spl-platdata)
390         $(Q)$(MAKE) $(build)=$@
391
392 quiet_cmd_cpp_lds = LDS     $@
393 cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
394                 -D__ASSEMBLY__ -x assembler-with-cpp -std=c99 -P -o $@ $<
395
396 $(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
397         $(call if_changed_dep,cpp_lds)
398
399 # read all saved command lines
400
401 targets := $(wildcard $(sort $(targets)))
402 cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
403
404 ifneq ($(cmd_files),)
405   $(cmd_files): ;       # Do not try to update included dependency files
406   include $(cmd_files)
407 endif
408
409 PHONY += FORCE
410 FORCE:
411
412 PHONY += dtbs
413 dtbs:
414         $(Q)$(MAKE) $(build)=dts dtbs
415
416 # Declare the contents of the .PHONY variable as phony.  We keep that
417 # information in a variable so we can use it in if_changed and friends.
418 .PHONY: $(PHONY)
419
420 SHRUNK_ARCH_DTB = $(patsubst %,$(obj)/dts/%.dtb,$(subst ",,$(CONFIG_SPL_OF_LIST)))
421 .SECONDEXPANSION:
422 $(SHRUNK_ARCH_DTB): $$(patsubst $(obj)/dts/%, arch/$(ARCH)/dts/%, $$@)
423         $(call if_changed,fdtgrep)
424
425 MKIMAGEFLAGS_$(SPL_BIN).multidtb.fit = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
426         -n "Multi DTB fit image for $(SPL_BIN)" -E \
427         $(patsubst %,-b %,$(SHRUNK_ARCH_DTB))
428
429 $(obj)/$(SPL_BIN).multidtb.fit: /dev/null $(SHRUNK_ARCH_DTB) FORCE
430         $(call if_changed,mkimage)
431 ifneq ($(SOURCE_DATE_EPOCH),)
432         touch -d @$(SOURCE_DATE_EPOCH) $(obj)/$(SPL_BIN).multidtb.fit
433         chmod 0600 $(obj)/$(SPL_BIN).multidtb.fit
434 endif
435
436 $(obj)/$(SPL_BIN).multidtb.fit.gz: $(obj)/$(SPL_BIN).multidtb.fit
437         @gzip -kf9 $< > $@
438
439 $(obj)/$(SPL_BIN).multidtb.fit.lzo: $(obj)/$(SPL_BIN).multidtb.fit
440         @lzop -f9 $< > $@
441
442 ifdef CONFIG_ARCH_K3
443 tispl.bin: $(obj)/u-boot-spl-nodtb.bin $(SHRUNK_ARCH_DTB) $(SPL_ITS) FORCE
444         $(call if_changed,mkfitimage)
445 endif