spl: dfu: add dfu support in SPL
[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 include $(srctree)/config.mk
39 include $(srctree)/arch/$(ARCH)/Makefile
40
41 # Enable garbage collection of un-used sections for SPL
42 KBUILD_CFLAGS += -ffunction-sections -fdata-sections
43 LDFLAGS_FINAL += --gc-sections
44
45 # FIX ME
46 cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \
47                                                         $(NOSTDINC_FLAGS)
48 c_flags := $(KBUILD_CFLAGS) $(cpp_flags)
49
50 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)
51
52 libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/)
53 libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
54
55 libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/
56 libs-y += common/init/
57
58 # Special handling for a few options which support SPL/TPL
59 ifeq ($(CONFIG_TPL_BUILD),y)
60 libs-$(CONFIG_TPL_LIBCOMMON_SUPPORT) += common/ cmd/
61 libs-$(CONFIG_TPL_LIBGENERIC_SUPPORT) += lib/
62 else
63 libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ cmd/
64 libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
65 endif
66
67 libs-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/
68 libs-y += drivers/
69 libs-$(CONFIG_SPL_DFU_SUPPORT) += drivers/dfu/
70 libs-$(CONFIG_SPL_DFU_SUPPORT) += drivers/usb/gadget/
71 libs-$(CONFIG_SPL_DFU_SUPPORT) += drivers/usb/gadget/udc/
72 libs-$(CONFIG_SPL_DFU_SUPPORT) += drivers/usb/dwc3/
73 libs-y += dts/
74 libs-y += fs/
75 libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
76 libs-$(CONFIG_SPL_NET_SUPPORT) += net/
77
78 head-y          := $(addprefix $(obj)/,$(head-y))
79 libs-y          := $(addprefix $(obj)/,$(libs-y))
80 u-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y)))
81
82 libs-y := $(patsubst %/, %/built-in.o, $(libs-y))
83
84 # Add GCC lib
85 ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
86 PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
87 PLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
88 endif
89
90 u-boot-spl-init := $(head-y)
91 u-boot-spl-main := $(libs-y)
92 ifdef CONFIG_SPL_OF_PLATDATA
93 u-boot-spl-platdata := $(obj)/dts/dt-platdata.o
94 endif
95
96 # Linker Script
97 ifdef CONFIG_SPL_LDSCRIPT
98 # need to strip off double quotes
99 LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
100 endif
101
102 ifeq ($(wildcard $(LDSCRIPT)),)
103         LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds
104 endif
105 ifeq ($(wildcard $(LDSCRIPT)),)
106         LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds
107 endif
108 ifeq ($(wildcard $(LDSCRIPT)),)
109         LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds
110 endif
111 ifeq ($(wildcard $(LDSCRIPT)),)
112 $(error could not find linker script)
113 endif
114
115 # Special flags for CPP when processing the linker script.
116 # Pass the version down so we can handle backwards compatibility
117 # on the fly.
118 LDPPFLAGS += \
119         -include $(srctree)/include/u-boot/u-boot.lds.h \
120         -include $(objtree)/include/config.h \
121         -DCPUDIR=$(CPUDIR) \
122         $(shell $(LD) --version | \
123           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
124
125 quiet_cmd_mkimage = MKIMAGE $@
126 cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
127         $(if $(KBUILD_VERBOSE:1=), >/dev/null)
128
129 MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE)
130
131 MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE)
132
133 MLO MLO.byteswap: $(obj)/u-boot-spl.bin FORCE
134         $(call if_changed,mkimage)
135
136 ifeq ($(CONFIG_SYS_SOC),"at91")
137 MKIMAGEFLAGS_boot.bin = -T atmelimage
138
139 ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y)
140 MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params)
141
142 boot.bin: $(obj)/../tools/atmel_pmecc_params
143 endif
144
145 boot.bin: $(obj)/u-boot-spl.bin FORCE
146         $(call if_changed,mkimage)
147 else
148 ifdef CONFIG_ARCH_ZYNQ
149 MKIMAGEFLAGS_boot.bin = -T zynqimage
150 endif
151 ifdef CONFIG_ARCH_ZYNQMP
152 MKIMAGEFLAGS_boot.bin = -T zynqmpimage
153 endif
154
155 spl/boot.bin: $(obj)/u-boot-spl.bin FORCE
156         $(call if_changed,mkimage)
157 endif
158
159 ALL-y   += $(obj)/$(SPL_BIN).bin $(obj)/$(SPL_BIN).cfg
160
161 ifdef CONFIG_SAMSUNG
162 ALL-y   += $(obj)/$(BOARD)-spl.bin
163 endif
164
165 ifdef CONFIG_ARCH_SOCFPGA
166 ALL-y   += $(obj)/$(SPL_BIN).sfp
167 endif
168
169 ifdef CONFIG_SUNXI
170 ALL-y   += $(obj)/sunxi-spl.bin
171 endif
172
173 ifeq ($(CONFIG_SYS_SOC),"at91")
174 ALL-y   += boot.bin
175 endif
176
177 ALL-$(CONFIG_ARCH_ZYNQ)         += $(obj)/boot.bin
178 ALL-$(CONFIG_ARCH_ZYNQMP)       += $(obj)/boot.bin
179
180 all:    $(ALL-y)
181
182 quiet_cmd_cat = CAT     $@
183 cmd_cat = cat $(filter-out $(PHONY), $^) > $@
184
185 quiet_cmd_copy = COPY    $@
186       cmd_copy = cp $< $@
187
188 ifeq ($(CONFIG_SPL_OF_CONTROL)$(CONFIG_OF_SEPARATE)$(CONFIG_SPL_OF_PLATDATA),yy)
189 $(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin $(obj)/$(SPL_BIN)-pad.bin \
190                 $(obj)/$(SPL_BIN).dtb FORCE
191         $(call if_changed,cat)
192
193 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-dtb.bin FORCE
194         $(call if_changed,copy)
195 else
196 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-nodtb.bin FORCE
197         $(call if_changed,copy)
198 endif
199
200 # Create a file that pads from the end of u-boot-spl-nodtb.bin to bss_end
201 $(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN)
202         @bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \
203         dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null;
204
205 # Pass the original device tree file through fdtgrep twice. The first pass
206 # removes any unwanted nodes (i.e. those which don't have the
207 # 'u-boot,dm-pre-reloc' property and thus are not needed by SPL. The second
208 # pass removes various unused properties from the remaining nodes.
209 # The output is typically a much smaller device tree file.
210 quiet_cmd_fdtgrep = FDTGREP $@
211       cmd_fdtgrep = $(objtree)/tools/fdtgrep -b u-boot,dm-pre-reloc -RT $< \
212                 -n /chosen -O dtb | \
213         $(objtree)/tools/fdtgrep -r -O dtb - -o $@ \
214                 $(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS)))
215
216 $(obj)/$(SPL_BIN).dtb: dts/dt.dtb $(objtree)/tools/fdtgrep FORCE
217         $(call if_changed,fdtgrep)
218
219 quiet_cmd_cpp_cfg = CFG     $@
220 cmd_cpp_cfg = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
221         -DDO_DEPS_ONLY -D__ASSEMBLY__ -x assembler-with-cpp -P -dM -E -o $@ $<
222
223 # If .u-boot.cfg.d is still present, then either:
224 # a) The previous build used a Makefile that used if_changed rather than
225 #    if_changed_dep when building u-boot.cfg, and hence any later builds will
226 #    be unaware of the dependencies for u-boot.cfg. In this case, we must
227 #    delete u-boot.cfg to force it and .u-boot.cfg.cmd to be rebuilt the
228 #    correct way.
229 # b) The previous build failed or was interrupted while building u-boot.cfg,
230 #    so deleting u-boot.cfg isn't going to cause any additional work.
231 ifneq ($(wildcard $(obj)/.$(SPL_BIN).d),)
232   unused := $(shell rm -f $(obj)/$(SPL_BIN).cfg)
233 endif
234 $(obj)/$(SPL_BIN).cfg:  include/config.h FORCE
235         $(call if_changed_dep,cpp_cfg)
236
237 pythonpath = PYTHONPATH=tools
238
239 quiet_cmd_dtocc = DTOC C  $@
240 cmd_dtocc = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ platdata
241
242 quiet_cmd_dtoch = DTOC H  $@
243 cmd_dtoch = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ struct
244
245 quiet_cmd_plat = PLAT    $@
246 cmd_plat = $(CC) $(c_flags) -c $< -o $@
247
248 $(obj)/dts/dt-platdata.o: $(obj)/dts/dt-platdata.c include/generated/dt-structs.h
249         $(call if_changed,plat)
250
251 PHONY += dts_dir
252 dts_dir:
253         $(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts)
254
255 include/generated/dt-structs.h: $(obj)/$(SPL_BIN).dtb dts_dir dtoc
256         $(call if_changed,dtoch)
257
258 $(obj)/dts/dt-platdata.c: $(obj)/$(SPL_BIN).dtb dts_dir dtoc
259         $(call if_changed,dtocc)
260
261 dtoc: #$(objtree)/tools/_libfdt.so
262
263 ifdef CONFIG_SAMSUNG
264 ifdef CONFIG_VAR_SIZE_SPL
265 VAR_SIZE_PARAM = --vs
266 else
267 VAR_SIZE_PARAM =
268 endif
269 $(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
270         $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
271         $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
272         $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
273 endif
274
275 quiet_cmd_objcopy = OBJCOPY $@
276 cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
277
278 OBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary
279
280 $(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE
281         $(call if_changed,objcopy)
282
283 LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
284 ifneq ($(CONFIG_SPL_TEXT_BASE),)
285 LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
286 endif
287
288 MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage
289 $(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE
290         $(call if_changed,mkimage)
291
292 quiet_cmd_mksunxiboot = MKSUNXI $@
293 cmd_mksunxiboot = $(objtree)/tools/mksunxiboot $< $@
294 $(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE
295         $(call if_changed,mksunxiboot)
296
297 # Rule to link u-boot-spl
298 # May be overridden by arch/$(ARCH)/config.mk
299 quiet_cmd_u-boot-spl ?= LD      $@
300       cmd_u-boot-spl ?= (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
301                        $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \
302                        $(patsubst $(obj)/%,%,$(u-boot-spl-main))  \
303                        $(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \
304                        --end-group \
305                        $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN))
306
307 $(obj)/$(SPL_BIN): $(u-boot-spl-platdata) $(u-boot-spl-init) \
308                 $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE
309         $(call if_changed,u-boot-spl)
310
311 $(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
312
313 PHONY += $(u-boot-spl-dirs)
314 $(u-boot-spl-dirs): $(u-boot-spl-platdata)
315         $(Q)$(MAKE) $(build)=$@
316
317 quiet_cmd_cpp_lds = LDS     $@
318 cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
319                 -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $<
320
321 $(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
322         $(call if_changed_dep,cpp_lds)
323
324 # read all saved command lines
325
326 targets := $(wildcard $(sort $(targets)))
327 cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
328
329 ifneq ($(cmd_files),)
330   $(cmd_files): ;       # Do not try to update included dependency files
331   include $(cmd_files)
332 endif
333
334 PHONY += FORCE
335 FORCE:
336
337 # Declare the contents of the .PHONY variable as phony.  We keep that
338 # information in a variable so we can use it in if_changed and friends.
339 .PHONY: $(PHONY)