Merge branch 'master' of git://git.denx.de/u-boot-net
[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 endif
85
86 libs-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/
87 libs-y += drivers/
88 libs-$(CONFIG_SPL_USB_GADGET_SUPPORT) += drivers/usb/dwc3/
89 libs-y += dts/
90 libs-y += fs/
91 libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
92 libs-$(CONFIG_SPL_NET_SUPPORT) += net/
93
94 head-y          := $(addprefix $(obj)/,$(head-y))
95 libs-y          := $(addprefix $(obj)/,$(libs-y))
96 u-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y)))
97
98 libs-y := $(patsubst %/, %/built-in.o, $(libs-y))
99
100 # Add GCC lib
101 ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
102 PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
103 PLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
104 endif
105
106 u-boot-spl-init := $(head-y)
107 u-boot-spl-main := $(libs-y)
108 ifdef CONFIG_$(SPL_TPL_)OF_PLATDATA
109 u-boot-spl-platdata := $(obj)/dts/dt-platdata.o
110 endif
111
112 # Linker Script
113 # First test whether there's a linker-script for the specific stage defined...
114 ifneq ($(CONFIG_$(SPL_TPL_)LDSCRIPT),)
115 # need to strip off double quotes
116 LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_$(SPL_TPL_)LDSCRIPT:"%"=%))
117 else
118 # ...then fall back to the generic SPL linker-script
119 ifneq ($(CONFIG_SPL_LDSCRIPT),)
120 # need to strip off double quotes
121 LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
122 endif
123 endif
124
125 ifeq ($(wildcard $(LDSCRIPT)),)
126         LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds
127 endif
128 ifeq ($(wildcard $(LDSCRIPT)),)
129         LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds
130 endif
131 ifeq ($(wildcard $(LDSCRIPT)),)
132         LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds
133 endif
134 ifeq ($(wildcard $(LDSCRIPT)),)
135 $(error could not find linker script)
136 endif
137
138 # Special flags for CPP when processing the linker script.
139 # Pass the version down so we can handle backwards compatibility
140 # on the fly.
141 LDPPFLAGS += \
142         -include $(srctree)/include/u-boot/u-boot.lds.h \
143         -include $(objtree)/include/config.h \
144         -DCPUDIR=$(CPUDIR) \
145         $(shell $(LD) --version | \
146           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
147
148 MKIMAGEOUTPUT ?= /dev/null
149
150 quiet_cmd_mkimage = MKIMAGE $@
151 cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
152         >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT))
153
154 quiet_cmd_mkfitimage = MKIMAGE $@
155 cmd_mkfitimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -f $(SPL_ITS) -E $@ \
156         $(if $(KBUILD_VERBOSE:1=), MKIMAGEOUTPUT)
157
158 MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE)
159
160 MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE)
161
162 MLO MLO.byteswap: $(obj)/u-boot-spl.bin FORCE
163         $(call if_changed,mkimage)
164
165 ifeq ($(CONFIG_SYS_SOC),"at91")
166 MKIMAGEFLAGS_boot.bin = -T atmelimage
167
168 ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y)
169 MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params)
170
171 boot.bin: $(obj)/../tools/atmel_pmecc_params
172 endif
173
174 boot.bin: $(obj)/u-boot-spl.bin FORCE
175         $(call if_changed,mkimage)
176 else
177 ifdef CONFIG_ARCH_ZYNQ
178 MKIMAGEFLAGS_boot.bin = -T zynqimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE)
179 endif
180 ifdef CONFIG_ARCH_ZYNQMP
181 ifneq ($(CONFIG_PMUFW_INIT_FILE),"")
182 spl/boot.bin: zynqmp-check-pmufw
183 zynqmp-check-pmufw: FORCE
184         ( cd $(srctree) && test -r $(CONFIG_PMUFW_INIT_FILE) ) \
185                 || ( echo "Cannot read $(CONFIG_PMUFW_INIT_FILE)" && false )
186 endif
187 MKIMAGEFLAGS_boot.bin = -T zynqmpimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE) \
188         -n "$(shell cd $(srctree); readlink -f $(CONFIG_PMUFW_INIT_FILE))"
189 endif
190
191 spl/boot.bin: $(obj)/u-boot-spl.bin FORCE
192         $(call if_changed,mkimage)
193 endif
194
195 ALL-y   += $(obj)/$(SPL_BIN).bin
196
197 ifdef CONFIG_SAMSUNG
198 ALL-y   += $(obj)/$(BOARD)-spl.bin
199 endif
200
201 ifdef CONFIG_ARCH_SOCFPGA
202 ALL-y   += $(obj)/$(SPL_BIN).sfp
203 endif
204
205 ifdef CONFIG_ARCH_SUNXI
206 ALL-y   += $(obj)/sunxi-spl.bin
207
208 ifdef CONFIG_NAND_SUNXI
209 ALL-y   += $(obj)/sunxi-spl-with-ecc.bin
210 endif
211 endif
212
213 ifeq ($(CONFIG_SYS_SOC),"at91")
214 ALL-y   += boot.bin
215 endif
216
217 ALL-$(CONFIG_SPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-16bit-spl.bin
218
219 ALL-$(CONFIG_ARCH_ZYNQ)         += $(obj)/boot.bin
220 ALL-$(CONFIG_ARCH_ZYNQMP)       += $(obj)/boot.bin
221
222 all:    $(ALL-y)
223
224 quiet_cmd_cat = CAT     $@
225 cmd_cat = cat $(filter-out $(PHONY), $^) > $@
226
227 quiet_cmd_copy = COPY    $@
228       cmd_copy = cp $< $@
229
230 ifneq ($(CONFIG_SPL_MULTI_DTB_FIT),y)
231 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).dtb
232 else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_LZO),y)
233 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.lzo
234 else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_GZIP),y)
235 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.gz
236 else
237 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit
238 endif
239
240
241 ifeq ($(CONFIG_$(SPL_TPL_)OF_CONTROL)$(CONFIG_OF_SEPARATE)$(CONFIG_$(SPL_TPL_)OF_PLATDATA),yy)
242 $(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin \
243                 $(if $(CONFIG_SPL_SEPARATE_BSS),,$(obj)/$(SPL_BIN)-pad.bin) \
244                 $(FINAL_DTB_CONTAINER)  FORCE
245         $(call if_changed,cat)
246
247 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-dtb.bin FORCE
248         $(call if_changed,copy)
249 else
250 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-nodtb.bin FORCE
251         $(call if_changed,copy)
252 endif
253
254 # Create a file that pads from the end of u-boot-spl-nodtb.bin to bss_end
255 $(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN)
256         @bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \
257         dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null;
258
259 $(obj)/$(SPL_BIN).dtb: dts/dt-spl.dtb FORCE
260         $(call if_changed,copy)
261
262 pythonpath = PYTHONPATH=scripts/dtc/pylibfdt
263
264 quiet_cmd_dtocc = DTOC C  $@
265 cmd_dtocc = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ platdata
266
267 quiet_cmd_dtoch = DTOC H  $@
268 cmd_dtoch = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ struct
269
270 quiet_cmd_plat = PLAT    $@
271 cmd_plat = $(CC) $(c_flags) -c $< -o $@
272
273 $(obj)/dts/dt-platdata.o: $(obj)/dts/dt-platdata.c \
274                 include/generated/dt-structs-gen.h
275         $(call if_changed,plat)
276
277 PHONY += dts_dir
278 dts_dir:
279         $(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts)
280
281 include/generated/dt-structs-gen.h: $(obj)/$(SPL_BIN).dtb dts_dir FORCE
282         $(call if_changed,dtoch)
283
284 $(obj)/dts/dt-platdata.c: $(obj)/$(SPL_BIN).dtb dts_dir FORCE
285         $(call if_changed,dtocc)
286
287 ifdef CONFIG_SAMSUNG
288 ifdef CONFIG_VAR_SIZE_SPL
289 VAR_SIZE_PARAM = --vs
290 else
291 VAR_SIZE_PARAM =
292 endif
293 $(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
294         $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
295         $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
296         $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
297 endif
298
299 quiet_cmd_objcopy = OBJCOPY $@
300 cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
301
302 OBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary \
303                 $(if $(CONFIG_SPL_X86_16BIT_INIT),-R .start16 -R .resetvec)
304
305 $(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE
306         $(call if_changed,objcopy)
307
308 OBJCOPYFLAGS_u-boot-x86-16bit-spl.bin := -O binary -j .start16 -j .resetvec
309 $(obj)/u-boot-x86-16bit-spl.bin: $(obj)/u-boot-spl FORCE
310         $(call if_changed,objcopy)
311
312 LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
313
314 # Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
315 LDFLAGS_$(SPL_BIN) += $(call ld-option, --no-dynamic-linker)
316
317 # First try the best-match (i.e. SPL_TEXT_BASE for SPL, TPL_TEXT_BASE for TPL)
318 ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),)
319 LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_$(SPL_TPL_)TEXT_BASE)
320 else
321 # And then fall back to just testing for SPL_TEXT_BASE, even if in TPL mode
322 ifneq ($(CONFIG_SPL_TEXT_BASE),)
323 LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
324 endif
325 endif
326
327 ifdef CONFIG_TARGET_SOCFPGA_ARRIA10
328 MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage_v1
329 else
330 MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage
331 endif
332 $(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE
333         $(call if_changed,mkimage)
334
335 quiet_cmd_mksunxiboot = MKSUNXI $@
336 cmd_mksunxiboot = $(objtree)/tools/mksunxiboot \
337                         --default-dt $(CONFIG_DEFAULT_DEVICE_TREE) $< $@
338 $(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE
339         $(call if_changed,mksunxiboot)
340
341 quiet_cmd_sunxi_spl_image_builder = SUNXI_SPL_IMAGE_BUILDER $@
342 cmd_sunxi_spl_image_builder = $(objtree)/tools/sunxi-spl-image-builder \
343                                 -c $(CONFIG_NAND_SUNXI_SPL_ECC_STRENGTH)/$(CONFIG_NAND_SUNXI_SPL_ECC_SIZE) \
344                                 -p $(CONFIG_SYS_NAND_PAGE_SIZE) \
345                                 -o $(CONFIG_SYS_NAND_OOBSIZE) \
346                                 -u $(CONFIG_NAND_SUNXI_SPL_USABLE_PAGE_SIZE) \
347                                 -e $(CONFIG_SYS_NAND_BLOCK_SIZE) \
348                                 -s -b $< $@
349 $(obj)/sunxi-spl-with-ecc.bin: $(obj)/sunxi-spl.bin
350         $(call if_changed,sunxi_spl_image_builder)
351
352 # Rule to link u-boot-spl
353 # May be overridden by arch/$(ARCH)/config.mk
354 quiet_cmd_u-boot-spl ?= LD      $@
355       cmd_u-boot-spl ?= (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
356                        $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \
357                        $(patsubst $(obj)/%,%,$(u-boot-spl-main))  \
358                        $(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \
359                        --end-group \
360                        $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN))
361
362 $(obj)/$(SPL_BIN): $(u-boot-spl-platdata) $(u-boot-spl-init) \
363                 $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE
364         $(call if_changed,u-boot-spl)
365
366 $(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
367
368 PHONY += $(u-boot-spl-dirs)
369 $(u-boot-spl-dirs): $(u-boot-spl-platdata)
370         $(Q)$(MAKE) $(build)=$@
371
372 quiet_cmd_cpp_lds = LDS     $@
373 cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
374                 -D__ASSEMBLY__ -x assembler-with-cpp -std=c99 -P -o $@ $<
375
376 $(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
377         $(call if_changed_dep,cpp_lds)
378
379 # read all saved command lines
380
381 targets := $(wildcard $(sort $(targets)))
382 cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
383
384 ifneq ($(cmd_files),)
385   $(cmd_files): ;       # Do not try to update included dependency files
386   include $(cmd_files)
387 endif
388
389 PHONY += FORCE
390 FORCE:
391
392 PHONY += dtbs
393 dtbs:
394         $(Q)$(MAKE) $(build)=dts dtbs
395
396 # Declare the contents of the .PHONY variable as phony.  We keep that
397 # information in a variable so we can use it in if_changed and friends.
398 .PHONY: $(PHONY)
399
400 SHRUNK_ARCH_DTB = $(patsubst %,$(obj)/dts/%.dtb,$(subst ",,$(CONFIG_SPL_OF_LIST)))
401 .SECONDEXPANSION:
402 $(SHRUNK_ARCH_DTB): $$(patsubst $(obj)/dts/%, arch/$(ARCH)/dts/%, $$@)
403         $(call if_changed,fdtgrep)
404
405 MKIMAGEFLAGS_$(SPL_BIN).multidtb.fit = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
406         -n "Multi DTB fit image for $(SPL_BIN)" -E \
407         $(patsubst %,-b %,$(SHRUNK_ARCH_DTB))
408
409 $(obj)/$(SPL_BIN).multidtb.fit: /dev/null $(SHRUNK_ARCH_DTB) FORCE
410         $(call if_changed,mkimage)
411 ifneq ($(SOURCE_DATE_EPOCH),)
412         touch -d @$(SOURCE_DATE_EPOCH) $(obj)/$(SPL_BIN).multidtb.fit
413         chmod 0600 $(obj)/$(SPL_BIN).multidtb.fit
414 endif
415
416 $(obj)/$(SPL_BIN).multidtb.fit.gz: $(obj)/$(SPL_BIN).multidtb.fit
417         @gzip -kf9 $< > $@
418
419 $(obj)/$(SPL_BIN).multidtb.fit.lzo: $(obj)/$(SPL_BIN).multidtb.fit
420         @lzop -f9 $< > $@
421
422 ifdef CONFIG_ARCH_K3
423 tispl.bin: $(obj)/u-boot-spl-nodtb.bin $(SHRUNK_ARCH_DTB) $(SPL_ITS) FORCE
424         $(call if_changed,mkfitimage)
425 endif