b89a579f892b94cae8d3cbab2d0786eb6d58395d
[karo-tx-uboot.git] / spl / Makefile
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 += 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-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/ drivers/power/pmic/
107 libs-$(if $(CONFIG_CMD_NAND),$(CONFIG_SPL_NAND_SUPPORT)) += drivers/mtd/nand/
108 libs-$(CONFIG_SPL_DRIVERS_MISC_SUPPORT) += drivers/misc/
109 libs-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/
110 libs-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/
111 libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
112 libs-$(CONFIG_SPL_NET_SUPPORT) += net/
113 libs-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/
114 libs-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/
115 libs-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/net/phy/
116 libs-$(CONFIG_SPL_MUSB_NEW_SUPPORT) += drivers/usb/musb-new/
117 libs-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/usb/gadget/
118 libs-$(CONFIG_SPL_WATCHDOG_SUPPORT) += drivers/watchdog/
119 libs-$(CONFIG_SPL_USB_HOST_SUPPORT) += drivers/usb/host/
120 libs-$(CONFIG_OMAP_USB_PHY) += drivers/usb/phy/
121 libs-$(CONFIG_SPL_SATA_SUPPORT) += drivers/block/
122
123 ifneq (,$(CONFIG_MX23)$(CONFIG_MX35)$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
124 libs-y += arch/$(ARCH)/imx-common/
125 endif
126
127 libs-$(CONFIG_ARM) += arch/arm/cpu/
128 libs-$(CONFIG_PPC) += arch/powerpc/cpu/
129
130 head-y          := $(addprefix $(obj)/,$(head-y))
131 libs-y          := $(addprefix $(obj)/,$(libs-y))
132 u-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y)))
133
134 libs-y := $(patsubst %/, %/built-in.o, $(libs-y))
135
136 # Add GCC lib
137 ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
138 PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
139 PLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
140 endif
141
142 u-boot-spl-init := $(head-y)
143 u-boot-spl-main := $(libs-y)
144
145 # Linker Script
146 ifdef CONFIG_SPL_LDSCRIPT
147 # need to strip off double quotes
148 LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
149 endif
150
151 ifeq ($(wildcard $(LDSCRIPT)),)
152         LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds
153 endif
154 ifeq ($(wildcard $(LDSCRIPT)),)
155         LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds
156 endif
157 ifeq ($(wildcard $(LDSCRIPT)),)
158         LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds
159 endif
160 ifeq ($(wildcard $(LDSCRIPT)),)
161 $(error could not find linker script)
162 endif
163
164 # Special flags for CPP when processing the linker script.
165 # Pass the version down so we can handle backwards compatibility
166 # on the fly.
167 LDPPFLAGS += \
168         -include $(srctree)/include/u-boot/u-boot.lds.h \
169         -include $(OBJTREE)/include/config.h \
170         -DCPUDIR=$(CPUDIR) \
171         $(shell $(LD) --version | \
172           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
173
174 quiet_cmd_mkimage = UIMAGE  $@
175 cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
176         $(if $(KBUILD_VERBOSE:1=), >/dev/null)
177
178 MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE)
179
180 MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE)
181
182 MLO MLO.byteswap: $(obj)/u-boot-spl.bin
183         $(call if_changed,mkimage)
184
185 ALL-y   += $(obj)/$(SPL_BIN).bin
186
187 ifdef CONFIG_SAMSUNG
188 ALL-y   += $(obj)/$(BOARD)-spl.bin
189 endif
190
191 all:    $(ALL-y)
192
193 ifdef CONFIG_SAMSUNG
194 ifdef CONFIG_VAR_SIZE_SPL
195 VAR_SIZE_PARAM = --vs
196 else
197 VAR_SIZE_PARAM =
198 endif
199 $(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
200         $(if $(wildcard $(OBJTREE)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
201         $(OBJTREE)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
202         $(OBJTREE)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
203 endif
204
205 quiet_cmd_objcopy = OBJCOPY $@
206 cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
207
208 OBJCOPYFLAGS_$(SPL_BIN).bin = $(SPL_OBJCFLAGS) -O binary
209
210 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN) FORCE
211         $(call if_changed,objcopy)
212
213 LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
214 ifneq ($(CONFIG_SPL_TEXT_BASE),)
215 LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
216 endif
217
218 quiet_cmd_u-boot-spl = LD      $@
219       cmd_u-boot-spl = cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
220                        $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \
221                        $(patsubst $(obj)/%,%,$(u-boot-spl-main)) --end-group \
222                        $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN)
223
224 $(obj)/$(SPL_BIN): $(u-boot-spl-init) $(u-boot-spl-main) $(obj)/u-boot-spl.lds
225         $(call cmd,u-boot-spl)
226
227 $(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
228
229 PHONY += $(u-boot-spl-dirs)
230 $(u-boot-spl-dirs):
231         $(Q)$(MAKE) $(build)=$@
232
233 quiet_cmd_cpp_lds = LDS     $@
234 cmd_cpp_lds = $(CPP) $(cpp_flags) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ \
235                 -x assembler-with-cpp -P -o $@ $<
236
237 $(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
238         $(call if_changed,cpp_lds)
239
240 # read all saved command lines
241
242 targets := $(wildcard $(sort $(targets)))
243 cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
244
245 ifneq ($(cmd_files),)
246   $(cmd_files): ;       # Do not try to update included dependency files
247   include $(cmd_files)
248 endif
249
250 PHONY += FORCE
251 FORCE:
252
253 # Declare the contents of the .PHONY variable as phony.  We keep that
254 # information in a variable so we can use it in if_changed and friends.
255 .PHONY: $(PHONY)