spl: dm: Kconfig: split OF_CONTROL and OF_PLATDATA between SPL and TPL
[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-$(CONFIG_TPL_LIBCOMMON_SUPPORT) += common/ cmd/
73 libs-$(CONFIG_TPL_LIBGENERIC_SUPPORT) += lib/
74 else
75 libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ cmd/
76 libs-$(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 ifdef CONFIG_SPL_LDSCRIPT
107 # need to strip off double quotes
108 LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
109 endif
110
111 ifeq ($(wildcard $(LDSCRIPT)),)
112         LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds
113 endif
114 ifeq ($(wildcard $(LDSCRIPT)),)
115         LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds
116 endif
117 ifeq ($(wildcard $(LDSCRIPT)),)
118         LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds
119 endif
120 ifeq ($(wildcard $(LDSCRIPT)),)
121 $(error could not find linker script)
122 endif
123
124 # Special flags for CPP when processing the linker script.
125 # Pass the version down so we can handle backwards compatibility
126 # on the fly.
127 LDPPFLAGS += \
128         -include $(srctree)/include/u-boot/u-boot.lds.h \
129         -include $(objtree)/include/config.h \
130         -DCPUDIR=$(CPUDIR) \
131         $(shell $(LD) --version | \
132           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
133
134 MKIMAGEOUTPUT ?= /dev/null
135
136 quiet_cmd_mkimage = MKIMAGE $@
137 cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
138         $(if $(KBUILD_VERBOSE:1=), >$(MKIMAGEOUTPUT))
139
140 MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE)
141
142 MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE)
143
144 MLO MLO.byteswap: $(obj)/u-boot-spl.bin FORCE
145         $(call if_changed,mkimage)
146
147 ifeq ($(CONFIG_SYS_SOC),"at91")
148 MKIMAGEFLAGS_boot.bin = -T atmelimage
149
150 ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y)
151 MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params)
152
153 boot.bin: $(obj)/../tools/atmel_pmecc_params
154 endif
155
156 boot.bin: $(obj)/u-boot-spl.bin FORCE
157         $(call if_changed,mkimage)
158 else
159 ifdef CONFIG_ARCH_ZYNQ
160 MKIMAGEFLAGS_boot.bin = -T zynqimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE)
161 endif
162 ifdef CONFIG_ARCH_ZYNQMP
163 MKIMAGEFLAGS_boot.bin = -T zynqmpimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE)
164 endif
165
166 spl/boot.bin: $(obj)/u-boot-spl.bin FORCE
167         $(call if_changed,mkimage)
168 endif
169
170 ALL-y   += $(obj)/$(SPL_BIN).bin
171
172 ifdef CONFIG_SAMSUNG
173 ALL-y   += $(obj)/$(BOARD)-spl.bin
174 endif
175
176 ifdef CONFIG_ARCH_SOCFPGA
177 ALL-y   += $(obj)/$(SPL_BIN).sfp
178 endif
179
180 ifdef CONFIG_ARCH_SUNXI
181 ALL-y   += $(obj)/sunxi-spl.bin
182
183 ifdef CONFIG_NAND_SUNXI
184 ALL-y   += $(obj)/sunxi-spl-with-ecc.bin
185 endif
186 endif
187
188 ifeq ($(CONFIG_SYS_SOC),"at91")
189 ALL-y   += boot.bin
190 endif
191
192 ALL-$(CONFIG_SPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-16bit-spl.bin
193
194 ALL-$(CONFIG_ARCH_ZYNQ)         += $(obj)/boot.bin
195 ALL-$(CONFIG_ARCH_ZYNQMP)       += $(obj)/boot.bin
196
197 all:    $(ALL-y)
198
199 quiet_cmd_cat = CAT     $@
200 cmd_cat = cat $(filter-out $(PHONY), $^) > $@
201
202 quiet_cmd_copy = COPY    $@
203       cmd_copy = cp $< $@
204
205 ifeq ($(CONFIG_$(SPL_TPL_)OF_CONTROL)$(CONFIG_OF_SEPARATE)$(CONFIG_$(SPL_TPL_)OF_PLATDATA),yy)
206 $(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin \
207                 $(if $(CONFIG_SPL_SEPARATE_BSS),,$(obj)/$(SPL_BIN)-pad.bin) \
208                 $(obj)/$(SPL_BIN).dtb FORCE
209         $(call if_changed,cat)
210
211 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-dtb.bin FORCE
212         $(call if_changed,copy)
213 else
214 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-nodtb.bin FORCE
215         $(call if_changed,copy)
216 endif
217
218 # Create a file that pads from the end of u-boot-spl-nodtb.bin to bss_end
219 $(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN)
220         @bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \
221         dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null;
222
223 # Pass the original device tree file through fdtgrep twice. The first pass
224 # removes any unwanted nodes (i.e. those which don't have the
225 # 'u-boot,dm-pre-reloc' property and thus are not needed by SPL. The second
226 # pass removes various unused properties from the remaining nodes.
227 # The output is typically a much smaller device tree file.
228 ifeq ($(CONFIG_TPL_BUILD),y)
229 fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-tpl
230 else
231 fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-spl
232 endif
233 quiet_cmd_fdtgrep = FDTGREP $@
234       cmd_fdtgrep = $(objtree)/tools/fdtgrep $(fdtgrep_props) -RT $< \
235                 -n /chosen -n /config -O dtb | \
236         $(objtree)/tools/fdtgrep -r -O dtb - -o $@ \
237                 $(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS)))
238
239 $(obj)/$(SPL_BIN).dtb: dts/dt.dtb $(objtree)/tools/fdtgrep FORCE
240         $(call if_changed,fdtgrep)
241
242 pythonpath = PYTHONPATH=tools
243
244 quiet_cmd_dtocc = DTOC C  $@
245 cmd_dtocc = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ platdata
246
247 quiet_cmd_dtoch = DTOC H  $@
248 cmd_dtoch = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ struct
249
250 quiet_cmd_plat = PLAT    $@
251 cmd_plat = $(CC) $(c_flags) -c $< -o $@
252
253 $(obj)/dts/dt-platdata.o: $(obj)/dts/dt-platdata.c include/generated/dt-structs.h
254         $(call if_changed,plat)
255
256 PHONY += dts_dir
257 dts_dir:
258         $(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts)
259
260 include/generated/dt-structs.h: $(obj)/$(SPL_BIN).dtb dts_dir checkdtoc
261         $(call if_changed,dtoch)
262
263 $(obj)/dts/dt-platdata.c: $(obj)/$(SPL_BIN).dtb dts_dir checkdtoc
264         $(call if_changed,dtocc)
265
266 ifdef CONFIG_SAMSUNG
267 ifdef CONFIG_VAR_SIZE_SPL
268 VAR_SIZE_PARAM = --vs
269 else
270 VAR_SIZE_PARAM =
271 endif
272 $(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
273         $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
274         $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
275         $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
276 endif
277
278 quiet_cmd_objcopy = OBJCOPY $@
279 cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
280
281 OBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary \
282                 $(if $(CONFIG_SPL_X86_16BIT_INIT),-R .start16 -R .resetvec)
283
284 $(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE
285         $(call if_changed,objcopy)
286
287 OBJCOPYFLAGS_u-boot-x86-16bit-spl.bin := -O binary -j .start16 -j .resetvec
288 $(obj)/u-boot-x86-16bit-spl.bin: $(obj)/u-boot-spl FORCE
289         $(call if_changed,objcopy)
290
291 LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
292
293 # Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
294 LDFLAGS_$(SPL_BIN) += $(call ld-option, --no-dynamic-linker)
295
296 ifneq ($(CONFIG_SPL_TEXT_BASE),)
297 LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
298 endif
299
300 MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage
301 $(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE
302         $(call if_changed,mkimage)
303
304 quiet_cmd_mksunxiboot = MKSUNXI $@
305 cmd_mksunxiboot = $(objtree)/tools/mksunxiboot \
306                         --default-dt $(CONFIG_DEFAULT_DEVICE_TREE) $< $@
307 $(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE
308         $(call if_changed,mksunxiboot)
309
310 quiet_cmd_sunxi_spl_image_builder = SUNXI_SPL_IMAGE_BUILDER $@
311 cmd_sunxi_spl_image_builder = $(objtree)/tools/sunxi-spl-image-builder \
312                                 -c $(CONFIG_NAND_SUNXI_SPL_ECC_STRENGTH)/$(CONFIG_NAND_SUNXI_SPL_ECC_SIZE) \
313                                 -p $(CONFIG_SYS_NAND_PAGE_SIZE) \
314                                 -o $(CONFIG_SYS_NAND_OOBSIZE) \
315                                 -u $(CONFIG_NAND_SUNXI_SPL_USABLE_PAGE_SIZE) \
316                                 -e $(CONFIG_SYS_NAND_BLOCK_SIZE) \
317                                 -s -b $< $@
318 $(obj)/sunxi-spl-with-ecc.bin: $(obj)/sunxi-spl.bin
319         $(call if_changed,sunxi_spl_image_builder)
320
321 # Rule to link u-boot-spl
322 # May be overridden by arch/$(ARCH)/config.mk
323 quiet_cmd_u-boot-spl ?= LD      $@
324       cmd_u-boot-spl ?= (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
325                        $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \
326                        $(patsubst $(obj)/%,%,$(u-boot-spl-main))  \
327                        $(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \
328                        --end-group \
329                        $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN))
330
331 $(obj)/$(SPL_BIN): $(u-boot-spl-platdata) $(u-boot-spl-init) \
332                 $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE
333         $(call if_changed,u-boot-spl)
334
335 $(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
336
337 PHONY += $(u-boot-spl-dirs)
338 $(u-boot-spl-dirs): $(u-boot-spl-platdata)
339         $(Q)$(MAKE) $(build)=$@
340
341 quiet_cmd_cpp_lds = LDS     $@
342 cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
343                 -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $<
344
345 $(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
346         $(call if_changed_dep,cpp_lds)
347
348 # read all saved command lines
349
350 targets := $(wildcard $(sort $(targets)))
351 cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
352
353 ifneq ($(cmd_files),)
354   $(cmd_files): ;       # Do not try to update included dependency files
355   include $(cmd_files)
356 endif
357
358 checkdtoc: tools
359         @if ! ( echo 'import libfdt' | ( PYTHONPATH=tools python )); then \
360                 echo '*** dtoc needs the Python libfdt library. Either '; \
361                 echo '*** install it on your system, or try:'; \
362                 echo '***'; \
363                 echo '*** sudo apt-get install swig libpython-dev'; \
364                 echo '***'; \
365                 echo '*** to have U-Boot build its own version.'; \
366                 false; \
367         fi
368
369 PHONY += FORCE
370 FORCE:
371
372 # Declare the contents of the .PHONY variable as phony.  We keep that
373 # information in a variable so we can use it in if_changed and friends.
374 .PHONY: $(PHONY)