Merge branch 'master' of git://www.denx.de/git/u-boot-imx
[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 $(srctree)/scripts/Kbuild.include
23
24 UBOOTINCLUDE := -I$(obj)/include $(UBOOTINCLUDE)
25
26 -include $(obj)/include/config/auto.conf
27 -include $(obj)/include/autoconf.mk
28
29 ifeq ($(CONFIG_TPL_BUILD),y)
30 export CONFIG_TPL_BUILD
31 SPL_BIN := u-boot-tpl
32 else
33 SPL_BIN := u-boot-spl
34 endif
35
36 include $(srctree)/config.mk
37 include $(srctree)/arch/$(ARCH)/Makefile
38
39 # Enable garbage collection of un-used sections for SPL
40 KBUILD_CFLAGS += -ffunction-sections -fdata-sections
41 LDFLAGS_FINAL += --gc-sections
42
43 # FIX ME
44 cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \
45                                                         $(NOSTDINC_FLAGS)
46
47 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)
48
49 libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/)
50 libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
51
52 libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/
53 libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/
54 libs-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/
55 libs-$(CONFIG_SPL_DM) += drivers/core/
56 libs-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/
57 libs-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/
58 libs-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/
59 libs-$(CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT) += drivers/ddr/fsl/
60 libs-$(CONFIG_SYS_MVEBU_DDR) += drivers/ddr/mvebu/
61 libs-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/
62 libs-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/
63 libs-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/
64 libs-y += fs/
65 libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
66 libs-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/ drivers/power/pmic/
67 libs-$(CONFIG_SPL_MTD_SUPPORT) += drivers/mtd/
68 libs-$(CONFIG_SPL_NAND_SUPPORT) += drivers/mtd/nand/
69 libs-$(CONFIG_SPL_DRIVERS_MISC_SUPPORT) += drivers/misc/
70 libs-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/
71 libs-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/
72 libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
73 libs-$(CONFIG_SPL_NET_SUPPORT) += net/
74 libs-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/
75 libs-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/
76 libs-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/net/phy/
77 libs-$(CONFIG_SPL_MUSB_NEW_SUPPORT) += drivers/usb/musb-new/
78 libs-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/usb/gadget/
79 libs-$(CONFIG_SPL_WATCHDOG_SUPPORT) += drivers/watchdog/
80 libs-$(CONFIG_SPL_USB_HOST_SUPPORT) += drivers/usb/host/
81 libs-$(CONFIG_OMAP_USB_PHY) += drivers/usb/phy/
82 libs-$(CONFIG_SPL_SATA_SUPPORT) += drivers/block/
83
84 head-y          := $(addprefix $(obj)/,$(head-y))
85 libs-y          := $(addprefix $(obj)/,$(libs-y))
86 u-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y)))
87
88 libs-y := $(patsubst %/, %/built-in.o, $(libs-y))
89
90 # Add GCC lib
91 ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
92 PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
93 PLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
94 endif
95
96 u-boot-spl-init := $(head-y)
97 u-boot-spl-main := $(libs-y)
98
99 # Linker Script
100 ifdef CONFIG_SPL_LDSCRIPT
101 # need to strip off double quotes
102 LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
103 endif
104
105 ifeq ($(wildcard $(LDSCRIPT)),)
106         LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds
107 endif
108 ifeq ($(wildcard $(LDSCRIPT)),)
109         LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds
110 endif
111 ifeq ($(wildcard $(LDSCRIPT)),)
112         LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds
113 endif
114 ifeq ($(wildcard $(LDSCRIPT)),)
115 $(error could not find linker script)
116 endif
117
118 # Special flags for CPP when processing the linker script.
119 # Pass the version down so we can handle backwards compatibility
120 # on the fly.
121 LDPPFLAGS += \
122         -include $(srctree)/include/u-boot/u-boot.lds.h \
123         -include $(objtree)/include/config.h \
124         -DCPUDIR=$(CPUDIR) \
125         $(shell $(LD) --version | \
126           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
127
128 quiet_cmd_mkimage = MKIMAGE $@
129 cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
130         $(if $(KBUILD_VERBOSE:1=), >/dev/null)
131
132 MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE)
133
134 MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE)
135
136 MLO MLO.byteswap: $(obj)/u-boot-spl.bin
137         $(call if_changed,mkimage)
138
139 MKIMAGEFLAGS_boot.bin = -T atmelimage
140
141 ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y)
142 MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params)
143
144 boot.bin: $(obj)/../tools/atmel_pmecc_params
145 endif
146
147 boot.bin: $(obj)/u-boot-spl.bin
148         $(call if_changed,mkimage)
149
150 ALL-y   += $(obj)/$(SPL_BIN).bin
151
152 ifdef CONFIG_SAMSUNG
153 ALL-y   += $(obj)/$(BOARD)-spl.bin
154 endif
155
156 ifdef CONFIG_SUNXI
157 ifndef CONFIG_SPL_FEL
158 ALL-y   += $(obj)/sunxi-spl.bin
159 endif
160 endif
161
162 ifeq ($(CONFIG_SYS_SOC),"at91")
163 ALL-y   += boot.bin
164 endif
165
166 all:    $(ALL-y)
167
168 ifdef CONFIG_SAMSUNG
169 ifdef CONFIG_VAR_SIZE_SPL
170 VAR_SIZE_PARAM = --vs
171 else
172 VAR_SIZE_PARAM =
173 endif
174 $(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
175         $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
176         $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
177         $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
178 endif
179
180 quiet_cmd_objcopy = OBJCOPY $@
181 cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
182
183 OBJCOPYFLAGS_$(SPL_BIN).bin = $(SPL_OBJCFLAGS) -O binary
184
185 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN) FORCE
186         $(call if_changed,objcopy)
187
188 LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
189 ifneq ($(CONFIG_SPL_TEXT_BASE),)
190 LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
191 endif
192
193 ifdef CONFIG_SUNXI
194 quiet_cmd_mksunxiboot = MKSUNXI $@
195 cmd_mksunxiboot = $(objtree)/tools/mksunxiboot $< $@
196 $(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin
197         $(call if_changed,mksunxiboot)
198 endif
199
200 quiet_cmd_u-boot-spl = LD      $@
201       cmd_u-boot-spl = (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
202                        $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \
203                        $(patsubst $(obj)/%,%,$(u-boot-spl-main)) --end-group \
204                        $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN))
205
206 $(obj)/$(SPL_BIN): $(u-boot-spl-init) $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE
207         $(call if_changed,u-boot-spl)
208
209 $(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
210
211 PHONY += $(u-boot-spl-dirs)
212 $(u-boot-spl-dirs):
213         $(Q)$(MAKE) $(build)=$@
214
215 quiet_cmd_cpp_lds = LDS     $@
216 cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
217                 -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $<
218
219 $(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
220         $(call if_changed_dep,cpp_lds)
221
222 # read all saved command lines
223
224 targets := $(wildcard $(sort $(targets)))
225 cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
226
227 ifneq ($(cmd_files),)
228   $(cmd_files): ;       # Do not try to update included dependency files
229   include $(cmd_files)
230 endif
231
232 PHONY += FORCE
233 FORCE:
234
235 # Declare the contents of the .PHONY variable as phony.  We keep that
236 # information in a variable so we can use it in if_changed and friends.
237 .PHONY: $(PHONY)