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Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +00001#
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#
Wolfgang Denk1a459662013-07-08 09:37:19 +020012# SPDX-License-Identifier: GPL-2.0+
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000013#
14# Based on top-level Makefile.
15#
16
Masahiro Yamada9e414032014-02-04 17:24:24 +090017src := $(obj)
18
19# Create output directory if not already present
20_dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj))
21
Masahiro Yamadabf4b3de2014-02-04 17:24:18 +090022include $(srctree)/scripts/Kbuild.include
23
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000024CONFIG_SPL_BUILD := y
25export CONFIG_SPL_BUILD
26
Masahiro Yamadae0d5d9f2014-02-04 17:24:22 +090027KBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD
28ifeq ($(CONFIG_TPL_BUILD),y)
29KBUILD_CPPFLAGS += -DCONFIG_TPL_BUILD
30endif
31
32# Enable garbage collection of un-used sections for SPL
33KBUILD_CFLAGS += -ffunction-sections -fdata-sections
34LDFLAGS_FINAL += --gc-sections
35
Ying Zhang3aa29de2013-08-16 15:16:15 +080036ifeq ($(CONFIG_TPL_BUILD),y)
37export CONFIG_TPL_BUILD
38SPL_BIN := u-boot-tpl
39else
40SPL_BIN := u-boot-spl
41endif
42
Masahiro Yamada01072b42014-02-04 17:24:32 +090043include include/config.mk
44
45ifeq ($(CONFIG_TPL_BUILD),y)
46 -include include/tpl-autoconf.mk
47else
48 -include include/spl-autoconf.mk
49endif
50
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000051include $(TOPDIR)/config.mk
52
Masahiro Yamada5fe63012014-02-04 17:24:33 +090053# FIX ME
54c_flags := $(KBUILD_CFLAGS) $(KBUILD_CPPFLAGS) $(CPPFLAGS) $(UBOOTINCLUDE) $(NOSTDINC_FLAGS)
55
56# Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL)
57quiet_cmd_autoconf = GEN $@
58 cmd_autoconf = \
59 $(CPP) $(c_flags) -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && \
60 sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp > $@; \
61 rm $@.tmp
62
63include/tpl-autoconf.mk: include/config.h
64 $(call cmd,autoconf)
65
66include/spl-autoconf.mk: include/config.h
67 $(call cmd,autoconf)
68
Scott Woode66443f2012-08-14 01:44:29 +000069HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(SRCTREE)/board/$(VENDOR)/common/Makefile),y,n)
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000070
Marek Vasut08e4f702011-09-11 17:56:19 +000071ifdef CONFIG_SPL_START_S_PATH
Masahiro Yamadaa8c07542013-12-05 15:08:31 +090072START_PATH := $(CONFIG_SPL_START_S_PATH:"%"=%)
Marek Vasut08e4f702011-09-11 17:56:19 +000073else
74START_PATH := $(CPUDIR)
75endif
76
Masahiro Yamadae8a8b822013-11-28 12:09:59 +090077head-y := $(START_PATH)/start.o
78head-$(CONFIG_X86) += $(START_PATH)/start16.o $(START_PATH)/resetvec.o
79head-$(CONFIG_4xx) += $(START_PATH)/resetvec.o
80head-$(CONFIG_MPC85xx) += $(START_PATH)/resetvec.o
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000081
Masahiro Yamada656de6b2014-02-04 17:24:37 +090082libs-y += arch/$(ARCH)/lib/
Scott Wood510ed3b2012-09-19 17:56:39 -050083
Masahiro Yamada656de6b2014-02-04 17:24:37 +090084libs-y += $(CPUDIR)/
Scott Wood510ed3b2012-09-19 17:56:39 -050085
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000086ifdef SOC
Masahiro Yamada656de6b2014-02-04 17:24:37 +090087libs-y += $(CPUDIR)/$(SOC)/
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000088endif
Masahiro Yamada656de6b2014-02-04 17:24:37 +090089libs-y += board/$(BOARDDIR)/
90libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000091
Masahiro Yamada656de6b2014-02-04 17:24:37 +090092libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/
93libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/
94libs-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/
95libs-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/
96libs-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/
97libs-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/
98libs-$(CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT) += drivers/ddr/fsl/
99libs-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/
100libs-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/
101libs-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/
102libs-y += fs/
103libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
104libs-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/ drivers/power/pmic/
105libs-$(if $(CONFIG_CMD_NAND),$(CONFIG_SPL_NAND_SUPPORT)) += drivers/mtd/nand/
106libs-$(CONFIG_SPL_DRIVERS_MISC_SUPPORT) += drivers/misc/
107libs-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/
108libs-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/
109libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
110libs-$(CONFIG_SPL_NET_SUPPORT) += net/
111libs-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/
112libs-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/
113libs-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/net/phy/
114libs-$(CONFIG_SPL_MUSB_NEW_SUPPORT) += drivers/usb/musb-new/
115libs-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/usb/gadget/
116libs-$(CONFIG_SPL_WATCHDOG_SUPPORT) += drivers/watchdog/
117libs-$(CONFIG_SPL_USB_HOST_SUPPORT) += drivers/usb/host/
118libs-$(CONFIG_OMAP_USB_PHY) += drivers/usb/phy/
119libs-$(CONFIG_SPL_SATA_SUPPORT) += drivers/block/
Daniel Schwierzeckefcc6092011-07-13 05:11:08 +0000120
Masahiro Yamadaba931252013-12-11 10:00:08 +0900121ifneq (,$(CONFIG_MX23)$(CONFIG_MX35)$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
Masahiro Yamada656de6b2014-02-04 17:24:37 +0900122libs-y += arch/$(ARCH)/imx-common/
Marek Vasutcfb8e872013-04-21 05:52:25 +0000123endif
124
Masahiro Yamada656de6b2014-02-04 17:24:37 +0900125libs-$(CONFIG_ARM) += arch/arm/cpu/
126libs-$(CONFIG_PPC) += arch/powerpc/cpu/
Allen Martind9e73a82012-08-31 08:30:01 +0000127
Masahiro Yamada656de6b2014-02-04 17:24:37 +0900128head-y := $(addprefix $(obj)/,$(head-y))
129libs-y := $(addprefix $(obj)/,$(libs-y))
130u-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y)))
131
132libs-y := $(patsubst %/, %/built-in.o, $(libs-y))
Masahiro Yamadae2906a52013-11-11 14:36:00 +0900133
Allen Martin660e98f2012-08-31 08:30:14 +0000134# Add GCC lib
Masahiro Yamadacd2e46c2014-03-05 16:59:38 +0900135ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
Masahiro Yamadaa86cf892014-02-27 22:40:34 +0900136PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
Masahiro Yamada64452622014-02-24 20:44:14 +0900137PLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
Allen Martin660e98f2012-08-31 08:30:14 +0000138endif
139
Masahiro Yamada656de6b2014-02-04 17:24:37 +0900140u-boot-spl-init := $(head-y)
141u-boot-spl-main := $(libs-y)
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000142
143# Linker Script
144ifdef CONFIG_SPL_LDSCRIPT
145# need to strip off double quotes
Masahiro Yamadaa8c07542013-12-05 15:08:31 +0900146LDSCRIPT := $(addprefix $(SRCTREE)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000147endif
148
149ifeq ($(wildcard $(LDSCRIPT)),)
150 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-spl.lds
151endif
152ifeq ($(wildcard $(LDSCRIPT)),)
153 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-spl.lds
154endif
155ifeq ($(wildcard $(LDSCRIPT)),)
Albert ARIBAUD65cdd642013-02-25 00:58:58 +0000156 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot-spl.lds
Simon Glassee601972011-11-21 10:49:37 +0000157endif
158ifeq ($(wildcard $(LDSCRIPT)),)
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000159$(error could not find linker script)
160endif
161
162# Special flags for CPP when processing the linker script.
163# Pass the version down so we can handle backwards compatibility
164# on the fly.
165LDPPFLAGS += \
166 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
167 -include $(OBJTREE)/include/config.h \
Simon Glass7e6403a2011-11-21 10:49:40 +0000168 -DCPUDIR=$(CPUDIR) \
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000169 $(shell $(LD) --version | \
170 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
171
Masahiro Yamada9bf215b2014-02-24 11:12:15 +0900172quiet_cmd_mkimage = UIMAGE $@
173cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
174 $(if $(KBUILD_VERBOSE:1=), >/dev/null)
Tom Rini79b9ebb2012-10-16 13:06:06 +0000175
Masahiro Yamada9bf215b2014-02-24 11:12:15 +0900176MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE)
177
178MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE)
179
180MLO MLO.byteswap: $(obj)/u-boot-spl.bin
181 $(call if_changed,mkimage)
John Rigby3decb142011-07-21 09:10:30 -0400182
Masahiro Yamada9e414032014-02-04 17:24:24 +0900183ALL-y += $(obj)/$(SPL_BIN).bin
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000184
Chander Kashyap98a48c52011-08-18 22:37:20 +0000185ifdef CONFIG_SAMSUNG
Masahiro Yamada9e414032014-02-04 17:24:24 +0900186ALL-y += $(obj)/$(BOARD)-spl.bin
Chander Kashyap98a48c52011-08-18 22:37:20 +0000187endif
188
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000189all: $(ALL-y)
190
Chander Kashyap98a48c52011-08-18 22:37:20 +0000191ifdef CONFIG_SAMSUNG
Rajeshwari Birje0fcac1a2013-12-26 09:44:27 +0530192ifdef CONFIG_VAR_SIZE_SPL
193VAR_SIZE_PARAM = --vs
194else
195VAR_SIZE_PARAM =
196endif
Masahiro Yamada9e414032014-02-04 17:24:24 +0900197$(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
Masahiro Yamadae183a172014-02-04 17:24:11 +0900198 $(if $(wildcard $(OBJTREE)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
199 $(OBJTREE)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
Masahiro Yamada940db162014-02-04 17:24:10 +0900200 $(OBJTREE)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
Chander Kashyap98a48c52011-08-18 22:37:20 +0000201endif
202
Masahiro Yamadaf9c235f2014-02-24 11:12:14 +0900203quiet_cmd_objcopy = OBJCOPY $@
204cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
205
206OBJCOPYFLAGS_$(SPL_BIN).bin = $(SPL_OBJCFLAGS) -O binary
207
208$(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN) FORCE
209 $(call if_changed,objcopy)
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000210
Masahiro Yamada9e414032014-02-04 17:24:24 +0900211LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
Masahiro Yamadae0d5d9f2014-02-04 17:24:22 +0900212ifneq ($(CONFIG_SPL_TEXT_BASE),)
213LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
214endif
215
Masahiro Yamada656de6b2014-02-04 17:24:37 +0900216quiet_cmd_u-boot-spl = LD $@
217 cmd_u-boot-spl = cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
218 $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \
219 $(patsubst $(obj)/%,%,$(u-boot-spl-main)) --end-group \
220 $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN)
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000221
Masahiro Yamada656de6b2014-02-04 17:24:37 +0900222$(obj)/$(SPL_BIN): $(u-boot-spl-init) $(u-boot-spl-main) $(obj)/u-boot-spl.lds
223 $(call cmd,u-boot-spl)
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000224
Masahiro Yamada656de6b2014-02-04 17:24:37 +0900225$(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000226
Masahiro Yamada656de6b2014-02-04 17:24:37 +0900227PHONY += $(u-boot-spl-dirs)
228$(u-boot-spl-dirs):
229 $(Q)$(MAKE) $(build)=$@
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000230
Masahiro Yamada6825a952014-02-04 17:24:28 +0900231# FIX ME
232cpp_flags := $(KBUILD_CPPFLAGS) $(CPPFLAGS) $(UBOOTINCLUDE) $(NOSTDINC_FLAGS)
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000233
Masahiro Yamada04a34c92014-02-24 11:12:19 +0900234quiet_cmd_cpp_lds = LDS $@
235cmd_cpp_lds = $(CPP) $(cpp_flags) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ \
236 -x assembler-with-cpp -P -o $@ $<
237
Masahiro Yamada6825a952014-02-04 17:24:28 +0900238$(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
Masahiro Yamada04a34c92014-02-24 11:12:19 +0900239 $(call if_changed,cpp_lds)
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000240
Masahiro Yamadaf9c235f2014-02-24 11:12:14 +0900241# read all saved command lines
242
243targets := $(wildcard $(sort $(targets)))
244cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
245
246ifneq ($(cmd_files),)
247 $(cmd_files): ; # Do not try to update included dependency files
248 include $(cmd_files)
249endif
250
Masahiro Yamada6825a952014-02-04 17:24:28 +0900251PHONY += FORCE
252FORCE:
253
254# Declare the contents of the .PHONY variable as phony. We keep that
255# information in a variable so we can use it in if_changed and friends.
256.PHONY: $(PHONY)