Merge branch 'master' of git://git.denx.de/u-boot-rockchip
[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 := $(obj)/dts/dt-platdata.o
103 endif
104
105 # Linker Script
106 # First test whether there's a linker-script for the specific stage defined...
107 ifneq ($(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 $< $@
211
212 ifeq ($(CONFIG_$(SPL_TPL_)OF_CONTROL)$(CONFIG_OF_SEPARATE)$(CONFIG_$(SPL_TPL_)OF_PLATDATA),yy)
213 $(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin \
214                 $(if $(CONFIG_SPL_SEPARATE_BSS),,$(obj)/$(SPL_BIN)-pad.bin) \
215                 $(obj)/$(SPL_BIN).dtb FORCE
216         $(call if_changed,cat)
217
218 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-dtb.bin FORCE
219         $(call if_changed,copy)
220 else
221 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-nodtb.bin FORCE
222         $(call if_changed,copy)
223 endif
224
225 # Create a file that pads from the end of u-boot-spl-nodtb.bin to bss_end
226 $(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN)
227         @bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \
228         dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null;
229
230 # Pass the original device tree file through fdtgrep twice. The first pass
231 # removes any unwanted nodes (i.e. those which don't have the
232 # 'u-boot,dm-pre-reloc' property and thus are not needed by SPL. The second
233 # pass removes various unused properties from the remaining nodes.
234 # The output is typically a much smaller device tree file.
235 ifeq ($(CONFIG_TPL_BUILD),y)
236 fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-tpl
237 else
238 fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-spl
239 endif
240 quiet_cmd_fdtgrep = FDTGREP $@
241       cmd_fdtgrep = $(objtree)/tools/fdtgrep $(fdtgrep_props) -RT $< \
242                 -n /chosen -n /config -O dtb | \
243         $(objtree)/tools/fdtgrep -r -O dtb - -o $@ \
244                 $(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS)))
245
246 $(obj)/$(SPL_BIN).dtb: dts/dt.dtb $(objtree)/tools/fdtgrep FORCE
247         $(call if_changed,fdtgrep)
248
249 pythonpath = PYTHONPATH=tools
250
251 quiet_cmd_dtocc = DTOC C  $@
252 cmd_dtocc = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ platdata
253
254 quiet_cmd_dtoch = DTOC H  $@
255 cmd_dtoch = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ struct
256
257 quiet_cmd_plat = PLAT    $@
258 cmd_plat = $(CC) $(c_flags) -c $< -o $@
259
260 $(obj)/dts/dt-platdata.o: $(obj)/dts/dt-platdata.c include/generated/dt-structs.h
261         $(call if_changed,plat)
262
263 PHONY += dts_dir
264 dts_dir:
265         $(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts)
266
267 include/generated/dt-structs.h: $(obj)/$(SPL_BIN).dtb dts_dir checkdtoc
268         $(call if_changed,dtoch)
269
270 $(obj)/dts/dt-platdata.c: $(obj)/$(SPL_BIN).dtb dts_dir checkdtoc
271         $(call if_changed,dtocc)
272
273 ifdef CONFIG_SAMSUNG
274 ifdef CONFIG_VAR_SIZE_SPL
275 VAR_SIZE_PARAM = --vs
276 else
277 VAR_SIZE_PARAM =
278 endif
279 $(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
280         $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
281         $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
282         $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
283 endif
284
285 quiet_cmd_objcopy = OBJCOPY $@
286 cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
287
288 OBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary \
289                 $(if $(CONFIG_SPL_X86_16BIT_INIT),-R .start16 -R .resetvec)
290
291 $(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE
292         $(call if_changed,objcopy)
293
294 OBJCOPYFLAGS_u-boot-x86-16bit-spl.bin := -O binary -j .start16 -j .resetvec
295 $(obj)/u-boot-x86-16bit-spl.bin: $(obj)/u-boot-spl FORCE
296         $(call if_changed,objcopy)
297
298 LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
299
300 # Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
301 LDFLAGS_$(SPL_BIN) += $(call ld-option, --no-dynamic-linker)
302
303 # First try the best-match (i.e. SPL_TEXT_BASE for SPL, TPL_TEXT_BASE for TPL)
304 ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),)
305 LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_$(SPL_TPL_)TEXT_BASE)
306 else
307 # And then fall back to just testing for SPL_TEXT_BASE, even if in TPL mode
308 ifneq ($(CONFIG_SPL_TEXT_BASE),)
309 LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
310 endif
311 endif
312
313 MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage
314 $(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE
315         $(call if_changed,mkimage)
316
317 quiet_cmd_mksunxiboot = MKSUNXI $@
318 cmd_mksunxiboot = $(objtree)/tools/mksunxiboot \
319                         --default-dt $(CONFIG_DEFAULT_DEVICE_TREE) $< $@
320 $(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE
321         $(call if_changed,mksunxiboot)
322
323 quiet_cmd_sunxi_spl_image_builder = SUNXI_SPL_IMAGE_BUILDER $@
324 cmd_sunxi_spl_image_builder = $(objtree)/tools/sunxi-spl-image-builder \
325                                 -c $(CONFIG_NAND_SUNXI_SPL_ECC_STRENGTH)/$(CONFIG_NAND_SUNXI_SPL_ECC_SIZE) \
326                                 -p $(CONFIG_SYS_NAND_PAGE_SIZE) \
327                                 -o $(CONFIG_SYS_NAND_OOBSIZE) \
328                                 -u $(CONFIG_NAND_SUNXI_SPL_USABLE_PAGE_SIZE) \
329                                 -e $(CONFIG_SYS_NAND_BLOCK_SIZE) \
330                                 -s -b $< $@
331 $(obj)/sunxi-spl-with-ecc.bin: $(obj)/sunxi-spl.bin
332         $(call if_changed,sunxi_spl_image_builder)
333
334 # Rule to link u-boot-spl
335 # May be overridden by arch/$(ARCH)/config.mk
336 quiet_cmd_u-boot-spl ?= LD      $@
337       cmd_u-boot-spl ?= (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
338                        $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \
339                        $(patsubst $(obj)/%,%,$(u-boot-spl-main))  \
340                        $(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \
341                        --end-group \
342                        $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN))
343
344 $(obj)/$(SPL_BIN): $(u-boot-spl-platdata) $(u-boot-spl-init) \
345                 $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE
346         $(call if_changed,u-boot-spl)
347
348 $(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
349
350 PHONY += $(u-boot-spl-dirs)
351 $(u-boot-spl-dirs): $(u-boot-spl-platdata)
352         $(Q)$(MAKE) $(build)=$@
353
354 quiet_cmd_cpp_lds = LDS     $@
355 cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
356                 -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $<
357
358 $(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
359         $(call if_changed_dep,cpp_lds)
360
361 # read all saved command lines
362
363 targets := $(wildcard $(sort $(targets)))
364 cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
365
366 ifneq ($(cmd_files),)
367   $(cmd_files): ;       # Do not try to update included dependency files
368   include $(cmd_files)
369 endif
370
371 checkdtoc: tools
372         @if ! ( echo 'import libfdt' | ( PYTHONPATH=tools python )); then \
373                 echo '*** dtoc needs the Python libfdt library. Either '; \
374                 echo '*** install it on your system, or try:'; \
375                 echo '***'; \
376                 echo '*** sudo apt-get install swig libpython-dev'; \
377                 echo '***'; \
378                 echo '*** to have U-Boot build its own version.'; \
379                 false; \
380         fi
381
382 PHONY += FORCE
383 FORCE:
384
385 # Declare the contents of the .PHONY variable as phony.  We keep that
386 # information in a variable so we can use it in if_changed and friends.
387 .PHONY: $(PHONY)