xref: /openbmc/u-boot/scripts/Makefile.spl (revision 8946034a311f80ca913f99f5c5691983d8b619c6) 
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 $(srctree)/scripts/Kbuild.include
23 
24 CONFIG_SPL_BUILD := y
25 export CONFIG_SPL_BUILD
26 
27 KBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD
28 ifeq ($(CONFIG_TPL_BUILD),y)
29 KBUILD_CPPFLAGS += -DCONFIG_TPL_BUILD
30 endif
31 
32 ifeq ($(CONFIG_TPL_BUILD),y)
33 export CONFIG_TPL_BUILD
34 SPL_BIN := u-boot-tpl
35 else
36 SPL_BIN := u-boot-spl
37 endif
38 
39 include include/config.mk
40 
41 ifeq ($(CONFIG_TPL_BUILD),y)
42   -include include/tpl-autoconf.mk
43 else
44   -include include/spl-autoconf.mk
45 endif
46 
47 include $(srctree)/config.mk
48 
49 # Enable garbage collection of un-used sections for SPL
50 KBUILD_CFLAGS += -ffunction-sections -fdata-sections
51 LDFLAGS_FINAL += --gc-sections
52 
53 # FIX ME
54 cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \
55 							$(NOSTDINC_FLAGS)
56 c_flags := $(KBUILD_CFLAGS) $(cpp_flags)
57 
58 # Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL)
59 quiet_cmd_autoconf = GEN     $@
60       cmd_autoconf = \
61 	$(CPP) $(c_flags) -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && \
62 		sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp > $@; \
63 	rm $@.tmp
64 
65 include/tpl-autoconf.mk: include/config.h
66 	$(call cmd,autoconf)
67 
68 include/spl-autoconf.mk: include/config.h
69 	$(call cmd,autoconf)
70 
71 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)
72 
73 ifdef	CONFIG_SPL_START_S_PATH
74 START_PATH := $(CONFIG_SPL_START_S_PATH:"%"=%)
75 else
76 START_PATH := $(CPUDIR)
77 endif
78 
79 head-y := $(START_PATH)/start.o
80 head-$(CONFIG_X86) += $(START_PATH)/start16.o $(START_PATH)/resetvec.o
81 head-$(CONFIG_4xx) += $(START_PATH)/resetvec.o
82 head-$(CONFIG_MPC85xx) += $(START_PATH)/resetvec.o
83 
84 libs-y += arch/$(ARCH)/lib/
85 
86 libs-y += $(CPUDIR)/
87 
88 ifdef SOC
89 libs-y += $(CPUDIR)/$(SOC)/
90 endif
91 libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/)
92 libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
93 
94 libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/
95 libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/
96 libs-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/
97 libs-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/
98 libs-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/
99 libs-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/
100 libs-$(CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT) += drivers/ddr/fsl/
101 libs-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/
102 libs-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/
103 libs-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/
104 libs-y += fs/
105 libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
106 libs-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/ drivers/power/pmic/
107 libs-$(CONFIG_SPL_MTD_SUPPORT) += drivers/mtd/
108 libs-$(if $(CONFIG_CMD_NAND),$(CONFIG_SPL_NAND_SUPPORT)) += drivers/mtd/nand/
109 libs-$(CONFIG_SPL_DRIVERS_MISC_SUPPORT) += drivers/misc/
110 libs-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/
111 libs-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/
112 libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
113 libs-$(CONFIG_SPL_NET_SUPPORT) += net/
114 libs-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/
115 libs-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/
116 libs-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/net/phy/
117 libs-$(CONFIG_SPL_MUSB_NEW_SUPPORT) += drivers/usb/musb-new/
118 libs-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/usb/gadget/
119 libs-$(CONFIG_SPL_WATCHDOG_SUPPORT) += drivers/watchdog/
120 libs-$(CONFIG_SPL_USB_HOST_SUPPORT) += drivers/usb/host/
121 libs-$(CONFIG_OMAP_USB_PHY) += drivers/usb/phy/
122 libs-$(CONFIG_SPL_SATA_SUPPORT) += drivers/block/
123 
124 ifneq (,$(CONFIG_MX23)$(CONFIG_MX35)$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
125 libs-y += arch/$(ARCH)/imx-common/
126 endif
127 
128 libs-$(CONFIG_ARM) += arch/arm/cpu/
129 libs-$(CONFIG_PPC) += arch/powerpc/cpu/
130 
131 head-y		:= $(addprefix $(obj)/,$(head-y))
132 libs-y		:= $(addprefix $(obj)/,$(libs-y))
133 u-boot-spl-dirs	:= $(patsubst %/,%,$(filter %/, $(libs-y)))
134 
135 libs-y := $(patsubst %/, %/built-in.o, $(libs-y))
136 
137 # Add GCC lib
138 ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
139 PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
140 PLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
141 endif
142 
143 u-boot-spl-init := $(head-y)
144 u-boot-spl-main := $(libs-y)
145 
146 # Linker Script
147 ifdef CONFIG_SPL_LDSCRIPT
148 # need to strip off double quotes
149 LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
150 endif
151 
152 ifeq ($(wildcard $(LDSCRIPT)),)
153 	LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds
154 endif
155 ifeq ($(wildcard $(LDSCRIPT)),)
156 	LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds
157 endif
158 ifeq ($(wildcard $(LDSCRIPT)),)
159 	LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds
160 endif
161 ifeq ($(wildcard $(LDSCRIPT)),)
162 $(error could not find linker script)
163 endif
164 
165 # Special flags for CPP when processing the linker script.
166 # Pass the version down so we can handle backwards compatibility
167 # on the fly.
168 LDPPFLAGS += \
169 	-include $(srctree)/include/u-boot/u-boot.lds.h \
170 	-include $(objtree)/include/config.h \
171 	-DCPUDIR=$(CPUDIR) \
172 	$(shell $(LD) --version | \
173 	  sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
174 
175 quiet_cmd_mkimage = MKIMAGE $@
176 cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
177 	$(if $(KBUILD_VERBOSE:1=), >/dev/null)
178 
179 MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE)
180 
181 MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE)
182 
183 MLO MLO.byteswap: $(obj)/u-boot-spl.bin
184 	$(call if_changed,mkimage)
185 
186 MKIMAGEFLAGS_boot.bin = -T atmelimage
187 
188 ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y)
189 MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params)
190 
191 boot.bin: $(obj)/../tools/atmel_pmecc_params
192 endif
193 
194 boot.bin: $(obj)/u-boot-spl.bin
195 	$(call if_changed,mkimage)
196 
197 ALL-y	+= $(obj)/$(SPL_BIN).bin
198 
199 ifdef CONFIG_SAMSUNG
200 ALL-y	+= $(obj)/$(BOARD)-spl.bin
201 endif
202 
203 ifdef CONFIG_SUNXI
204 ifndef CONFIG_SPL_FEL
205 ALL-y	+= $(obj)/sunxi-spl.bin
206 endif
207 endif
208 
209 all:	$(ALL-y)
210 
211 ifdef CONFIG_SAMSUNG
212 ifdef CONFIG_VAR_SIZE_SPL
213 VAR_SIZE_PARAM = --vs
214 else
215 VAR_SIZE_PARAM =
216 endif
217 $(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
218 	$(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
219 	$(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
220 	$(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
221 endif
222 
223 quiet_cmd_objcopy = OBJCOPY $@
224 cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
225 
226 OBJCOPYFLAGS_$(SPL_BIN).bin = $(SPL_OBJCFLAGS) -O binary
227 
228 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN) FORCE
229 	$(call if_changed,objcopy)
230 
231 LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
232 ifneq ($(CONFIG_SPL_TEXT_BASE),)
233 LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
234 endif
235 
236 ifdef CONFIG_SUNXI
237 quiet_cmd_mksunxiboot = MKSUNXI $@
238 cmd_mksunxiboot = $(objtree)/tools/mksunxiboot $< $@
239 $(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin
240 	$(call if_changed,mksunxiboot)
241 endif
242 
243 quiet_cmd_u-boot-spl = LD      $@
244       cmd_u-boot-spl = cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
245 		       $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \
246 		       $(patsubst $(obj)/%,%,$(u-boot-spl-main)) --end-group \
247 		       $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN)
248 
249 $(obj)/$(SPL_BIN): $(u-boot-spl-init) $(u-boot-spl-main) $(obj)/u-boot-spl.lds
250 	$(call cmd,u-boot-spl)
251 
252 $(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
253 
254 PHONY += $(u-boot-spl-dirs)
255 $(u-boot-spl-dirs):
256 	$(Q)$(MAKE) $(build)=$@
257 
258 quiet_cmd_cpp_lds = LDS     $@
259 cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
260 		-D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $<
261 
262 $(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
263 	$(call if_changed_dep,cpp_lds)
264 
265 # read all saved command lines
266 
267 targets := $(wildcard $(sort $(targets)))
268 cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
269 
270 ifneq ($(cmd_files),)
271   $(cmd_files): ;	# Do not try to update included dependency files
272   include $(cmd_files)
273 endif
274 
275 PHONY += FORCE
276 FORCE:
277 
278 # Declare the contents of the .PHONY variable as phony.  We keep that
279 # information in a variable so we can use it in if_changed and friends.
280 .PHONY: $(PHONY)
281