]>
Commit | Line | Data |
---|---|---|
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 | -n $(srctree)/$(CONFIG_PMUFW_INIT_FILE) | |
172 | endif | |
173 | ||
174 | spl/boot.bin: $(obj)/u-boot-spl.bin FORCE | |
175 | $(call if_changed,mkimage) | |
176 | endif | |
177 | ||
178 | ALL-y += $(obj)/$(SPL_BIN).bin | |
179 | ||
180 | ifdef CONFIG_SAMSUNG | |
181 | ALL-y += $(obj)/$(BOARD)-spl.bin | |
182 | endif | |
183 | ||
184 | ifdef CONFIG_ARCH_SOCFPGA | |
185 | ALL-y += $(obj)/$(SPL_BIN).sfp | |
186 | endif | |
187 | ||
188 | ifdef CONFIG_ARCH_SUNXI | |
189 | ALL-y += $(obj)/sunxi-spl.bin | |
190 | ||
191 | ifdef CONFIG_NAND_SUNXI | |
192 | ALL-y += $(obj)/sunxi-spl-with-ecc.bin | |
193 | endif | |
194 | endif | |
195 | ||
196 | ifeq ($(CONFIG_SYS_SOC),"at91") | |
197 | ALL-y += boot.bin | |
198 | endif | |
199 | ||
200 | ALL-$(CONFIG_SPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-16bit-spl.bin | |
201 | ||
202 | ALL-$(CONFIG_ARCH_ZYNQ) += $(obj)/boot.bin | |
203 | ALL-$(CONFIG_ARCH_ZYNQMP) += $(obj)/boot.bin | |
204 | ||
205 | all: $(ALL-y) | |
206 | ||
207 | quiet_cmd_cat = CAT $@ | |
208 | cmd_cat = cat $(filter-out $(PHONY), $^) > $@ | |
209 | ||
210 | quiet_cmd_copy = COPY $@ | |
211 | cmd_copy = cp $< $@ | |
212 | ||
213 | ifneq ($(CONFIG_SPL_MULTI_DTB_FIT),y) | |
214 | FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).dtb | |
215 | else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_LZO),y) | |
216 | FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.lzo | |
217 | else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_GZIP),y) | |
218 | FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.gz | |
219 | else | |
220 | FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit | |
221 | endif | |
222 | ||
223 | ||
224 | ifeq ($(CONFIG_$(SPL_TPL_)OF_CONTROL)$(CONFIG_OF_SEPARATE)$(CONFIG_$(SPL_TPL_)OF_PLATDATA),yy) | |
225 | $(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin \ | |
226 | $(if $(CONFIG_SPL_SEPARATE_BSS),,$(obj)/$(SPL_BIN)-pad.bin) \ | |
227 | $(FINAL_DTB_CONTAINER) FORCE | |
228 | $(call if_changed,cat) | |
229 | ||
230 | $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-dtb.bin FORCE | |
231 | $(call if_changed,copy) | |
232 | else | |
233 | $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-nodtb.bin FORCE | |
234 | $(call if_changed,copy) | |
235 | endif | |
236 | ||
237 | # Create a file that pads from the end of u-boot-spl-nodtb.bin to bss_end | |
238 | $(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN) | |
239 | @bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \ | |
240 | dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null; | |
241 | ||
242 | $(obj)/$(SPL_BIN).dtb: dts/dt-spl.dtb FORCE | |
243 | $(call if_changed,copy) | |
244 | ||
245 | pythonpath = PYTHONPATH=scripts/dtc/pylibfdt | |
246 | ||
247 | quiet_cmd_dtocc = DTOC C $@ | |
248 | cmd_dtocc = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ platdata | |
249 | ||
250 | quiet_cmd_dtoch = DTOC H $@ | |
251 | cmd_dtoch = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ struct | |
252 | ||
253 | quiet_cmd_plat = PLAT $@ | |
254 | cmd_plat = $(CC) $(c_flags) -c $< -o $@ | |
255 | ||
256 | $(obj)/dts/dt-platdata.o: $(obj)/dts/dt-platdata.c \ | |
257 | include/generated/dt-structs-gen.h | |
258 | $(call if_changed,plat) | |
259 | ||
260 | PHONY += dts_dir | |
261 | dts_dir: | |
262 | $(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts) | |
263 | ||
264 | include/generated/dt-structs-gen.h: $(obj)/$(SPL_BIN).dtb dts_dir FORCE | |
265 | $(call if_changed,dtoch) | |
266 | ||
267 | $(obj)/dts/dt-platdata.c: $(obj)/$(SPL_BIN).dtb dts_dir FORCE | |
268 | $(call if_changed,dtocc) | |
269 | ||
270 | ifdef CONFIG_SAMSUNG | |
271 | ifdef CONFIG_VAR_SIZE_SPL | |
272 | VAR_SIZE_PARAM = --vs | |
273 | else | |
274 | VAR_SIZE_PARAM = | |
275 | endif | |
276 | $(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin | |
277 | $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\ | |
278 | $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\ | |
279 | $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@ | |
280 | endif | |
281 | ||
282 | quiet_cmd_objcopy = OBJCOPY $@ | |
283 | cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ | |
284 | ||
285 | OBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary \ | |
286 | $(if $(CONFIG_SPL_X86_16BIT_INIT),-R .start16 -R .resetvec) | |
287 | ||
288 | $(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE | |
289 | $(call if_changed,objcopy) | |
290 | ||
291 | OBJCOPYFLAGS_u-boot-x86-16bit-spl.bin := -O binary -j .start16 -j .resetvec | |
292 | $(obj)/u-boot-x86-16bit-spl.bin: $(obj)/u-boot-spl FORCE | |
293 | $(call if_changed,objcopy) | |
294 | ||
295 | LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL) | |
296 | ||
297 | # Avoid 'Not enough room for program headers' error on binutils 2.28 onwards. | |
298 | LDFLAGS_$(SPL_BIN) += $(call ld-option, --no-dynamic-linker) | |
299 | ||
300 | # First try the best-match (i.e. SPL_TEXT_BASE for SPL, TPL_TEXT_BASE for TPL) | |
301 | ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),) | |
302 | LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_$(SPL_TPL_)TEXT_BASE) | |
303 | else | |
304 | # And then fall back to just testing for SPL_TEXT_BASE, even if in TPL mode | |
305 | ifneq ($(CONFIG_SPL_TEXT_BASE),) | |
306 | LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE) | |
307 | endif | |
308 | endif | |
309 | ||
310 | MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage | |
311 | $(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE | |
312 | $(call if_changed,mkimage) | |
313 | ||
314 | quiet_cmd_mksunxiboot = MKSUNXI $@ | |
315 | cmd_mksunxiboot = $(objtree)/tools/mksunxiboot \ | |
316 | --default-dt $(CONFIG_DEFAULT_DEVICE_TREE) $< $@ | |
317 | $(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE | |
318 | $(call if_changed,mksunxiboot) | |
319 | ||
320 | quiet_cmd_sunxi_spl_image_builder = SUNXI_SPL_IMAGE_BUILDER $@ | |
321 | cmd_sunxi_spl_image_builder = $(objtree)/tools/sunxi-spl-image-builder \ | |
322 | -c $(CONFIG_NAND_SUNXI_SPL_ECC_STRENGTH)/$(CONFIG_NAND_SUNXI_SPL_ECC_SIZE) \ | |
323 | -p $(CONFIG_SYS_NAND_PAGE_SIZE) \ | |
324 | -o $(CONFIG_SYS_NAND_OOBSIZE) \ | |
325 | -u $(CONFIG_NAND_SUNXI_SPL_USABLE_PAGE_SIZE) \ | |
326 | -e $(CONFIG_SYS_NAND_BLOCK_SIZE) \ | |
327 | -s -b $< $@ | |
328 | $(obj)/sunxi-spl-with-ecc.bin: $(obj)/sunxi-spl.bin | |
329 | $(call if_changed,sunxi_spl_image_builder) | |
330 | ||
331 | # Rule to link u-boot-spl | |
332 | # May be overridden by arch/$(ARCH)/config.mk | |
333 | quiet_cmd_u-boot-spl ?= LD $@ | |
334 | cmd_u-boot-spl ?= (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ | |
335 | $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \ | |
336 | $(patsubst $(obj)/%,%,$(u-boot-spl-main)) \ | |
337 | $(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \ | |
338 | --end-group \ | |
339 | $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN)) | |
340 | ||
341 | $(obj)/$(SPL_BIN): $(u-boot-spl-platdata) $(u-boot-spl-init) \ | |
342 | $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE | |
343 | $(call if_changed,u-boot-spl) | |
344 | ||
345 | $(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ; | |
346 | ||
347 | PHONY += $(u-boot-spl-dirs) | |
348 | $(u-boot-spl-dirs): $(u-boot-spl-platdata) | |
349 | $(Q)$(MAKE) $(build)=$@ | |
350 | ||
351 | quiet_cmd_cpp_lds = LDS $@ | |
352 | cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \ | |
353 | -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $< | |
354 | ||
355 | $(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE | |
356 | $(call if_changed_dep,cpp_lds) | |
357 | ||
358 | # read all saved command lines | |
359 | ||
360 | targets := $(wildcard $(sort $(targets))) | |
361 | cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) | |
362 | ||
363 | ifneq ($(cmd_files),) | |
364 | $(cmd_files): ; # Do not try to update included dependency files | |
365 | include $(cmd_files) | |
366 | endif | |
367 | ||
368 | PHONY += FORCE | |
369 | FORCE: | |
370 | ||
371 | PHONY += dtbs | |
372 | dtbs: | |
373 | $(Q)$(MAKE) $(build)=dts dtbs | |
374 | ||
375 | # Declare the contents of the .PHONY variable as phony. We keep that | |
376 | # information in a variable so we can use it in if_changed and friends. | |
377 | .PHONY: $(PHONY) | |
378 | ||
379 | SHRUNK_ARCH_DTB = $(patsubst %,$(obj)/dts/%.dtb,$(subst ",,$(CONFIG_SPL_OF_LIST))) | |
380 | .SECONDEXPANSION: | |
381 | $(SHRUNK_ARCH_DTB): $$(patsubst $(obj)/dts/%, arch/$(ARCH)/dts/%, $$@) | |
382 | $(call if_changed,fdtgrep) | |
383 | ||
384 | MKIMAGEFLAGS_$(SPL_BIN).multidtb.fit = -f auto -A $(ARCH) -T firmware -C none -O u-boot \ | |
385 | -n "Multi DTB fit image for $(SPL_BIN)" -E \ | |
386 | $(patsubst %,-b %,$(SHRUNK_ARCH_DTB)) | |
387 | ||
388 | $(obj)/$(SPL_BIN).multidtb.fit: /dev/null $(SHRUNK_ARCH_DTB) FORCE | |
389 | $(call if_changed,mkimage) | |
390 | ||
391 | $(obj)/$(SPL_BIN).multidtb.fit.gz: $(obj)/$(SPL_BIN).multidtb.fit | |
392 | @gzip -kf9 $< > $@ | |
393 | ||
394 | $(obj)/$(SPL_BIN).multidtb.fit.lzo: $(obj)/$(SPL_BIN).multidtb.fit | |
395 | @lzop -f9 $< > $@ |