Merge git://git.denx.de/u-boot-fsl-qoriq
[platform/kernel/u-boot.git] / scripts / Makefile.spl
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
17 src := $(obj)
18
19 # Create output directory if not already present
20 _dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj))
21
22 include $(srctree)/scripts/Kbuild.include
23
24 -include include/config/auto.conf
25 -include $(obj)/include/autoconf.mk
26
27 KBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD
28 ifeq ($(CONFIG_TPL_BUILD),y)
29 KBUILD_CPPFLAGS += -DCONFIG_TPL_BUILD
30 endif
31
32 ifeq ($(CONFIG_TPL_BUILD),y)
33 SPL_BIN := u-boot-tpl
34 else
35 SPL_BIN := u-boot-spl
36 endif
37
38 ifdef CONFIG_SPL_BUILD
39 SPL_ := SPL_
40 ifeq ($(CONFIG_TPL_BUILD),y)
41 SPL_TPL_ := TPL_
42 else
43 SPL_TPL_ := SPL_
44 endif
45 else
46 SPL_ :=
47 SPL_TPL_ :=
48 endif
49
50 include $(srctree)/config.mk
51 include $(srctree)/arch/$(ARCH)/Makefile
52
53 # Enable garbage collection of un-used sections for SPL
54 KBUILD_CFLAGS += -ffunction-sections -fdata-sections
55 LDFLAGS_FINAL += --gc-sections
56
57 # FIX ME
58 cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \
59                                                         $(NOSTDINC_FLAGS)
60 c_flags := $(KBUILD_CFLAGS) $(cpp_flags)
61
62 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)
63
64 libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/)
65 libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
66
67 libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/
68 libs-y += common/init/
69
70 # Special handling for a few options which support SPL/TPL
71 ifeq ($(CONFIG_TPL_BUILD),y)
72 libs-$(CONFIG_TPL_LIBCOMMON_SUPPORT) += common/ cmd/ env/
73 libs-$(CONFIG_TPL_LIBGENERIC_SUPPORT) += lib/
74 else
75 libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ cmd/ env/
76 libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
77 endif
78
79 libs-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/
80 libs-y += drivers/
81 libs-$(CONFIG_SPL_USB_GADGET_SUPPORT) += drivers/usb/dwc3/
82 libs-y += dts/
83 libs-y += fs/
84 libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
85 libs-$(CONFIG_SPL_NET_SUPPORT) += net/
86
87 head-y          := $(addprefix $(obj)/,$(head-y))
88 libs-y          := $(addprefix $(obj)/,$(libs-y))
89 u-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y)))
90
91 libs-y := $(patsubst %/, %/built-in.o, $(libs-y))
92
93 # Add GCC lib
94 ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
95 PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
96 PLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
97 endif
98
99 u-boot-spl-init := $(head-y)
100 u-boot-spl-main := $(libs-y)
101 ifdef CONFIG_$(SPL_TPL_)OF_PLATDATA
102 u-boot-spl-platdata := $(obj)/dts/dt-platdata.o
103 endif
104
105 # Linker Script
106 # First test whether there's a linker-script for the specific stage defined...
107 ifneq ($(CONFIG_$(SPL_TPL_)LDSCRIPT),)
108 # need to strip off double quotes
109 LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_$(SPL_TPL_)LDSCRIPT:"%"=%))
110 else
111 # ...then fall back to the generic SPL linker-script
112 ifneq ($(CONFIG_SPL_LDSCRIPT),)
113 # need to strip off double quotes
114 LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
115 endif
116 endif
117
118 ifeq ($(wildcard $(LDSCRIPT)),)
119         LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds
120 endif
121 ifeq ($(wildcard $(LDSCRIPT)),)
122         LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds
123 endif
124 ifeq ($(wildcard $(LDSCRIPT)),)
125         LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds
126 endif
127 ifeq ($(wildcard $(LDSCRIPT)),)
128 $(error could not find linker script)
129 endif
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.
134 LDPPFLAGS += \
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
141 MKIMAGEOUTPUT ?= /dev/null
142
143 quiet_cmd_mkimage = MKIMAGE $@
144 cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
145         $(if $(KBUILD_VERBOSE:1=), >$(MKIMAGEOUTPUT))
146
147 MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE)
148
149 MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE)
150
151 MLO MLO.byteswap: $(obj)/u-boot-spl.bin FORCE
152         $(call if_changed,mkimage)
153
154 ifeq ($(CONFIG_SYS_SOC),"at91")
155 MKIMAGEFLAGS_boot.bin = -T atmelimage
156
157 ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y)
158 MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params)
159
160 boot.bin: $(obj)/../tools/atmel_pmecc_params
161 endif
162
163 boot.bin: $(obj)/u-boot-spl.bin FORCE
164         $(call if_changed,mkimage)
165 else
166 ifdef CONFIG_ARCH_ZYNQ
167 MKIMAGEFLAGS_boot.bin = -T zynqimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE)
168 endif
169 ifdef CONFIG_ARCH_ZYNQMP
170 MKIMAGEFLAGS_boot.bin = -T zynqmpimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE)
171 endif
172
173 spl/boot.bin: $(obj)/u-boot-spl.bin FORCE
174         $(call if_changed,mkimage)
175 endif
176
177 ALL-y   += $(obj)/$(SPL_BIN).bin
178
179 ifdef CONFIG_SAMSUNG
180 ALL-y   += $(obj)/$(BOARD)-spl.bin
181 endif
182
183 ifdef CONFIG_ARCH_SOCFPGA
184 ALL-y   += $(obj)/$(SPL_BIN).sfp
185 endif
186
187 ifdef CONFIG_ARCH_SUNXI
188 ALL-y   += $(obj)/sunxi-spl.bin
189
190 ifdef CONFIG_NAND_SUNXI
191 ALL-y   += $(obj)/sunxi-spl-with-ecc.bin
192 endif
193 endif
194
195 ifeq ($(CONFIG_SYS_SOC),"at91")
196 ALL-y   += boot.bin
197 endif
198
199 ALL-$(CONFIG_SPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-16bit-spl.bin
200
201 ALL-$(CONFIG_ARCH_ZYNQ)         += $(obj)/boot.bin
202 ALL-$(CONFIG_ARCH_ZYNQMP)       += $(obj)/boot.bin
203
204 all:    $(ALL-y)
205
206 quiet_cmd_cat = CAT     $@
207 cmd_cat = cat $(filter-out $(PHONY), $^) > $@
208
209 quiet_cmd_copy = COPY    $@
210       cmd_copy = cp $< $@
211
212 ifneq ($(CONFIG_SPL_MULTI_DTB_FIT),y)
213 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).dtb
214 else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_LZO),y)
215 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.lzo
216 else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_GZIP),y)
217 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.gz
218 else
219 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit
220 endif
221
222
223 ifeq ($(CONFIG_$(SPL_TPL_)OF_CONTROL)$(CONFIG_OF_SEPARATE)$(CONFIG_$(SPL_TPL_)OF_PLATDATA),yy)
224 $(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin \
225                 $(if $(CONFIG_SPL_SEPARATE_BSS),,$(obj)/$(SPL_BIN)-pad.bin) \
226                 $(FINAL_DTB_CONTAINER)  FORCE
227         $(call if_changed,cat)
228
229 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-dtb.bin FORCE
230         $(call if_changed,copy)
231 else
232 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-nodtb.bin FORCE
233         $(call if_changed,copy)
234 endif
235
236 # Create a file that pads from the end of u-boot-spl-nodtb.bin to bss_end
237 $(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN)
238         @bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \
239         dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null;
240
241 # Pass the original device tree file through fdtgrep twice. The first pass
242 # removes any unwanted nodes (i.e. those which don't have the
243 # 'u-boot,dm-pre-reloc' property and thus are not needed by SPL. The second
244 # pass removes various unused properties from the remaining nodes.
245 # The output is typically a much smaller device tree file.
246 ifeq ($(CONFIG_TPL_BUILD),y)
247 fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-tpl
248 else
249 fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-spl
250 endif
251 quiet_cmd_fdtgrep = FDTGREP $@
252       cmd_fdtgrep = $(objtree)/tools/fdtgrep $(fdtgrep_props) -RT $< \
253                 -n /chosen -n /config -O dtb | \
254         $(objtree)/tools/fdtgrep -r -O dtb - -o $@ \
255                 $(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS)))
256
257 $(obj)/$(SPL_BIN).dtb: dts/dt.dtb $(objtree)/tools/fdtgrep FORCE
258         $(call if_changed,fdtgrep)
259
260 pythonpath = PYTHONPATH=tools
261
262 quiet_cmd_dtocc = DTOC C  $@
263 cmd_dtocc = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ platdata
264
265 quiet_cmd_dtoch = DTOC H  $@
266 cmd_dtoch = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ struct
267
268 quiet_cmd_plat = PLAT    $@
269 cmd_plat = $(CC) $(c_flags) -c $< -o $@
270
271 $(obj)/dts/dt-platdata.o: $(obj)/dts/dt-platdata.c \
272                 include/generated/dt-structs-gen.h
273         $(call if_changed,plat)
274
275 PHONY += dts_dir
276 dts_dir:
277         $(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts)
278
279 include/generated/dt-structs-gen.h: $(obj)/$(SPL_BIN).dtb dts_dir checkdtoc
280         $(call if_changed,dtoch)
281
282 $(obj)/dts/dt-platdata.c: $(obj)/$(SPL_BIN).dtb dts_dir checkdtoc
283         $(call if_changed,dtocc)
284
285 ifdef CONFIG_SAMSUNG
286 ifdef CONFIG_VAR_SIZE_SPL
287 VAR_SIZE_PARAM = --vs
288 else
289 VAR_SIZE_PARAM =
290 endif
291 $(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
292         $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
293         $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
294         $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
295 endif
296
297 quiet_cmd_objcopy = OBJCOPY $@
298 cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
299
300 OBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary \
301                 $(if $(CONFIG_SPL_X86_16BIT_INIT),-R .start16 -R .resetvec)
302
303 $(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE
304         $(call if_changed,objcopy)
305
306 OBJCOPYFLAGS_u-boot-x86-16bit-spl.bin := -O binary -j .start16 -j .resetvec
307 $(obj)/u-boot-x86-16bit-spl.bin: $(obj)/u-boot-spl FORCE
308         $(call if_changed,objcopy)
309
310 LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
311
312 # Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
313 LDFLAGS_$(SPL_BIN) += $(call ld-option, --no-dynamic-linker)
314
315 # First try the best-match (i.e. SPL_TEXT_BASE for SPL, TPL_TEXT_BASE for TPL)
316 ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),)
317 LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_$(SPL_TPL_)TEXT_BASE)
318 else
319 # And then fall back to just testing for SPL_TEXT_BASE, even if in TPL mode
320 ifneq ($(CONFIG_SPL_TEXT_BASE),)
321 LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
322 endif
323 endif
324
325 MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage
326 $(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE
327         $(call if_changed,mkimage)
328
329 quiet_cmd_mksunxiboot = MKSUNXI $@
330 cmd_mksunxiboot = $(objtree)/tools/mksunxiboot \
331                         --default-dt $(CONFIG_DEFAULT_DEVICE_TREE) $< $@
332 $(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE
333         $(call if_changed,mksunxiboot)
334
335 quiet_cmd_sunxi_spl_image_builder = SUNXI_SPL_IMAGE_BUILDER $@
336 cmd_sunxi_spl_image_builder = $(objtree)/tools/sunxi-spl-image-builder \
337                                 -c $(CONFIG_NAND_SUNXI_SPL_ECC_STRENGTH)/$(CONFIG_NAND_SUNXI_SPL_ECC_SIZE) \
338                                 -p $(CONFIG_SYS_NAND_PAGE_SIZE) \
339                                 -o $(CONFIG_SYS_NAND_OOBSIZE) \
340                                 -u $(CONFIG_NAND_SUNXI_SPL_USABLE_PAGE_SIZE) \
341                                 -e $(CONFIG_SYS_NAND_BLOCK_SIZE) \
342                                 -s -b $< $@
343 $(obj)/sunxi-spl-with-ecc.bin: $(obj)/sunxi-spl.bin
344         $(call if_changed,sunxi_spl_image_builder)
345
346 # Rule to link u-boot-spl
347 # May be overridden by arch/$(ARCH)/config.mk
348 quiet_cmd_u-boot-spl ?= LD      $@
349       cmd_u-boot-spl ?= (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
350                        $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \
351                        $(patsubst $(obj)/%,%,$(u-boot-spl-main))  \
352                        $(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \
353                        --end-group \
354                        $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN))
355
356 $(obj)/$(SPL_BIN): $(u-boot-spl-platdata) $(u-boot-spl-init) \
357                 $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE
358         $(call if_changed,u-boot-spl)
359
360 $(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
361
362 PHONY += $(u-boot-spl-dirs)
363 $(u-boot-spl-dirs): $(u-boot-spl-platdata)
364         $(Q)$(MAKE) $(build)=$@
365
366 quiet_cmd_cpp_lds = LDS     $@
367 cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
368                 -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $<
369
370 $(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
371         $(call if_changed_dep,cpp_lds)
372
373 # read all saved command lines
374
375 targets := $(wildcard $(sort $(targets)))
376 cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
377
378 ifneq ($(cmd_files),)
379   $(cmd_files): ;       # Do not try to update included dependency files
380   include $(cmd_files)
381 endif
382
383 checkdtoc: tools
384         @if ! ( echo 'import libfdt' | ( PYTHONPATH=tools $(PYTHON) )); then \
385                 echo '*** dtoc needs the Python libfdt library. Either '; \
386                 echo '*** install it on your system, or try:'; \
387                 echo '***'; \
388                 echo '*** sudo apt-get install swig libpython-dev'; \
389                 echo '***'; \
390                 echo '*** to have U-Boot build its own version.'; \
391                 false; \
392         fi
393
394 PHONY += FORCE
395 FORCE:
396
397 PHONY += dtbs
398 dtbs:
399         $(Q)$(MAKE) $(build)=dts dtbs
400
401 # Declare the contents of the .PHONY variable as phony.  We keep that
402 # information in a variable so we can use it in if_changed and friends.
403 .PHONY: $(PHONY)
404
405 SHRUNK_ARCH_DTB = $(patsubst %,$(obj)/dts/%.dtb,$(subst ",,$(CONFIG_SPL_OF_LIST)))
406 .SECONDEXPANSION:
407 $(SHRUNK_ARCH_DTB): $$(patsubst $(obj)/dts/%, arch/$(ARCH)/dts/%, $$@)
408         $(call if_changed,fdtgrep)
409
410 MKIMAGEFLAGS_$(SPL_BIN).multidtb.fit = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
411         -n "Multi DTB fit image for $(SPL_BIN)" -E \
412         $(patsubst %,-b %,$(SHRUNK_ARCH_DTB))
413
414 $(obj)/$(SPL_BIN).multidtb.fit: /dev/null $(SHRUNK_ARCH_DTB) FORCE
415         $(call if_changed,mkimage)
416
417 $(obj)/$(SPL_BIN).multidtb.fit.gz: $(obj)/$(SPL_BIN).multidtb.fit
418         @gzip -kf9 $< > $@
419
420 $(obj)/$(SPL_BIN).multidtb.fit.lzo: $(obj)/$(SPL_BIN).multidtb.fit
421         @lzop -f9 $< > $@