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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 $(srctree)/scripts/Kbuild.include
23
Masahiro Yamada51148792014-07-30 14:08:17 +090024UBOOTINCLUDE := -I$(obj)/include $(UBOOTINCLUDE)
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000025
Masahiro Yamada51148792014-07-30 14:08:17 +090026-include $(obj)/include/config/auto.conf
27-include $(obj)/include/autoconf.mk
Masahiro Yamadae0d5d9f2014-02-04 17:24:22 +090028
Ying Zhang3aa29de2013-08-16 15:16:15 +080029ifeq ($(CONFIG_TPL_BUILD),y)
30export CONFIG_TPL_BUILD
31SPL_BIN := u-boot-tpl
32else
33SPL_BIN := u-boot-spl
34endif
35
Masahiro Yamada4379ac62014-03-11 11:05:19 +090036include $(srctree)/config.mk
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000037
Masahiro Yamada026f9cf2014-03-05 16:59:40 +090038# Enable garbage collection of un-used sections for SPL
39KBUILD_CFLAGS += -ffunction-sections -fdata-sections
40LDFLAGS_FINAL += --gc-sections
41
Masahiro Yamada5fe63012014-02-04 17:24:33 +090042# FIX ME
Masahiro Yamada026f9cf2014-03-05 16:59:40 +090043cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \
44 $(NOSTDINC_FLAGS)
Masahiro Yamada5fe63012014-02-04 17:24:33 +090045
Masahiro Yamada01286322014-03-11 11:05:20 +090046HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000047
Marek Vasut08e4f702011-09-11 17:56:19 +000048ifdef CONFIG_SPL_START_S_PATH
Masahiro Yamadaa8c07542013-12-05 15:08:31 +090049START_PATH := $(CONFIG_SPL_START_S_PATH:"%"=%)
Marek Vasut08e4f702011-09-11 17:56:19 +000050else
51START_PATH := $(CPUDIR)
52endif
53
Masahiro Yamadae8a8b822013-11-28 12:09:59 +090054head-y := $(START_PATH)/start.o
55head-$(CONFIG_X86) += $(START_PATH)/start16.o $(START_PATH)/resetvec.o
56head-$(CONFIG_4xx) += $(START_PATH)/resetvec.o
57head-$(CONFIG_MPC85xx) += $(START_PATH)/resetvec.o
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000058
Masahiro Yamada656de6b2014-02-04 17:24:37 +090059libs-y += arch/$(ARCH)/lib/
Scott Wood510ed3b2012-09-19 17:56:39 -050060
Masahiro Yamada656de6b2014-02-04 17:24:37 +090061libs-y += $(CPUDIR)/
Scott Wood510ed3b2012-09-19 17:56:39 -050062
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000063ifdef SOC
Masahiro Yamada656de6b2014-02-04 17:24:37 +090064libs-y += $(CPUDIR)/$(SOC)/
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000065endif
Masahiro Yamadabf69d662014-04-25 21:54:31 +090066libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/)
Masahiro Yamada656de6b2014-02-04 17:24:37 +090067libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000068
Masahiro Yamada656de6b2014-02-04 17:24:37 +090069libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/
70libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/
71libs-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/
72libs-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/
73libs-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/
74libs-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/
75libs-$(CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT) += drivers/ddr/fsl/
76libs-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/
77libs-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/
78libs-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/
79libs-y += fs/
80libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
81libs-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/ drivers/power/pmic/
Tom Rini6dd3b562014-03-28 12:03:36 -040082libs-$(CONFIG_SPL_MTD_SUPPORT) += drivers/mtd/
Masahiro Yamada656de6b2014-02-04 17:24:37 +090083libs-$(if $(CONFIG_CMD_NAND),$(CONFIG_SPL_NAND_SUPPORT)) += drivers/mtd/nand/
84libs-$(CONFIG_SPL_DRIVERS_MISC_SUPPORT) += drivers/misc/
85libs-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/
86libs-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/
87libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
88libs-$(CONFIG_SPL_NET_SUPPORT) += net/
89libs-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/
90libs-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/
91libs-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/net/phy/
92libs-$(CONFIG_SPL_MUSB_NEW_SUPPORT) += drivers/usb/musb-new/
93libs-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/usb/gadget/
94libs-$(CONFIG_SPL_WATCHDOG_SUPPORT) += drivers/watchdog/
95libs-$(CONFIG_SPL_USB_HOST_SUPPORT) += drivers/usb/host/
96libs-$(CONFIG_OMAP_USB_PHY) += drivers/usb/phy/
97libs-$(CONFIG_SPL_SATA_SUPPORT) += drivers/block/
Daniel Schwierzeckefcc6092011-07-13 05:11:08 +000098
Masahiro Yamadaba931252013-12-11 10:00:08 +090099ifneq (,$(CONFIG_MX23)$(CONFIG_MX35)$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
Masahiro Yamada656de6b2014-02-04 17:24:37 +0900100libs-y += arch/$(ARCH)/imx-common/
Marek Vasutcfb8e872013-04-21 05:52:25 +0000101endif
102
Masahiro Yamada656de6b2014-02-04 17:24:37 +0900103libs-$(CONFIG_ARM) += arch/arm/cpu/
104libs-$(CONFIG_PPC) += arch/powerpc/cpu/
Allen Martind9e73a82012-08-31 08:30:01 +0000105
Masahiro Yamada656de6b2014-02-04 17:24:37 +0900106head-y := $(addprefix $(obj)/,$(head-y))
107libs-y := $(addprefix $(obj)/,$(libs-y))
108u-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y)))
109
110libs-y := $(patsubst %/, %/built-in.o, $(libs-y))
Masahiro Yamadae2906a52013-11-11 14:36:00 +0900111
Allen Martin660e98f2012-08-31 08:30:14 +0000112# Add GCC lib
Masahiro Yamadacd2e46c2014-03-05 16:59:38 +0900113ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
Masahiro Yamadaa86cf892014-02-27 22:40:34 +0900114PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
Masahiro Yamada64452622014-02-24 20:44:14 +0900115PLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
Allen Martin660e98f2012-08-31 08:30:14 +0000116endif
117
Masahiro Yamada656de6b2014-02-04 17:24:37 +0900118u-boot-spl-init := $(head-y)
119u-boot-spl-main := $(libs-y)
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000120
121# Linker Script
122ifdef CONFIG_SPL_LDSCRIPT
123# need to strip off double quotes
Masahiro Yamada01286322014-03-11 11:05:20 +0900124LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000125endif
126
127ifeq ($(wildcard $(LDSCRIPT)),)
Masahiro Yamada4379ac62014-03-11 11:05:19 +0900128 LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000129endif
130ifeq ($(wildcard $(LDSCRIPT)),)
Masahiro Yamada4379ac62014-03-11 11:05:19 +0900131 LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000132endif
133ifeq ($(wildcard $(LDSCRIPT)),)
Masahiro Yamada4379ac62014-03-11 11:05:19 +0900134 LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds
Simon Glassee601972011-11-21 10:49:37 +0000135endif
136ifeq ($(wildcard $(LDSCRIPT)),)
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000137$(error could not find linker script)
138endif
139
140# Special flags for CPP when processing the linker script.
141# Pass the version down so we can handle backwards compatibility
142# on the fly.
143LDPPFLAGS += \
Masahiro Yamada4379ac62014-03-11 11:05:19 +0900144 -include $(srctree)/include/u-boot/u-boot.lds.h \
Masahiro Yamada5ee828c2014-03-11 11:05:21 +0900145 -include $(objtree)/include/config.h \
Simon Glass7e6403a2011-11-21 10:49:40 +0000146 -DCPUDIR=$(CPUDIR) \
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000147 $(shell $(LD) --version | \
148 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
149
Marek Vasutb97241b2014-03-14 05:00:14 +0100150quiet_cmd_mkimage = MKIMAGE $@
Masahiro Yamada9bf215b2014-02-24 11:12:15 +0900151cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
152 $(if $(KBUILD_VERBOSE:1=), >/dev/null)
Tom Rini79b9ebb2012-10-16 13:06:06 +0000153
Masahiro Yamada9bf215b2014-02-24 11:12:15 +0900154MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE)
155
156MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE)
157
158MLO MLO.byteswap: $(obj)/u-boot-spl.bin
159 $(call if_changed,mkimage)
John Rigby3decb142011-07-21 09:10:30 -0400160
Andreas Bießmann5c390a52014-05-19 14:23:40 +0200161MKIMAGEFLAGS_boot.bin = -T atmelimage
162
163ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y)
164MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params)
165
166boot.bin: $(obj)/../tools/atmel_pmecc_params
167endif
168
169boot.bin: $(obj)/u-boot-spl.bin
170 $(call if_changed,mkimage)
171
Masahiro Yamada9e414032014-02-04 17:24:24 +0900172ALL-y += $(obj)/$(SPL_BIN).bin
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000173
Chander Kashyap98a48c52011-08-18 22:37:20 +0000174ifdef CONFIG_SAMSUNG
Masahiro Yamada9e414032014-02-04 17:24:24 +0900175ALL-y += $(obj)/$(BOARD)-spl.bin
Chander Kashyap98a48c52011-08-18 22:37:20 +0000176endif
177
Ian Campbell50827a52014-05-05 11:52:30 +0100178ifdef CONFIG_SUNXI
179ifndef CONFIG_SPL_FEL
180ALL-y += $(obj)/sunxi-spl.bin
181endif
182endif
183
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000184all: $(ALL-y)
185
Chander Kashyap98a48c52011-08-18 22:37:20 +0000186ifdef CONFIG_SAMSUNG
Rajeshwari Birje0fcac1a2013-12-26 09:44:27 +0530187ifdef CONFIG_VAR_SIZE_SPL
188VAR_SIZE_PARAM = --vs
189else
190VAR_SIZE_PARAM =
191endif
Masahiro Yamada9e414032014-02-04 17:24:24 +0900192$(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
Masahiro Yamada5ee828c2014-03-11 11:05:21 +0900193 $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
194 $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
195 $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
Chander Kashyap98a48c52011-08-18 22:37:20 +0000196endif
197
Masahiro Yamadaf9c235f2014-02-24 11:12:14 +0900198quiet_cmd_objcopy = OBJCOPY $@
199cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
200
201OBJCOPYFLAGS_$(SPL_BIN).bin = $(SPL_OBJCFLAGS) -O binary
202
203$(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN) FORCE
204 $(call if_changed,objcopy)
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000205
Masahiro Yamada9e414032014-02-04 17:24:24 +0900206LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
Masahiro Yamadae0d5d9f2014-02-04 17:24:22 +0900207ifneq ($(CONFIG_SPL_TEXT_BASE),)
208LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
209endif
210
Ian Campbell50827a52014-05-05 11:52:30 +0100211ifdef CONFIG_SUNXI
212quiet_cmd_mksunxiboot = MKSUNXI $@
213cmd_mksunxiboot = $(objtree)/tools/mksunxiboot $< $@
214$(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin
215 $(call if_changed,mksunxiboot)
216endif
217
Masahiro Yamada656de6b2014-02-04 17:24:37 +0900218quiet_cmd_u-boot-spl = LD $@
Masahiro Yamada9adb6d22014-10-24 01:30:44 +0900219 cmd_u-boot-spl = (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
Masahiro Yamada656de6b2014-02-04 17:24:37 +0900220 $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \
221 $(patsubst $(obj)/%,%,$(u-boot-spl-main)) --end-group \
Masahiro Yamada9adb6d22014-10-24 01:30:44 +0900222 $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN))
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000223
Masahiro Yamada9adb6d22014-10-24 01:30:44 +0900224$(obj)/$(SPL_BIN): $(u-boot-spl-init) $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE
225 $(call if_changed,u-boot-spl)
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000226
Masahiro Yamada656de6b2014-02-04 17:24:37 +0900227$(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000228
Masahiro Yamada656de6b2014-02-04 17:24:37 +0900229PHONY += $(u-boot-spl-dirs)
230$(u-boot-spl-dirs):
231 $(Q)$(MAKE) $(build)=$@
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000232
Masahiro Yamada04a34c92014-02-24 11:12:19 +0900233quiet_cmd_cpp_lds = LDS $@
Masahiro Yamada395e60c2014-04-09 20:10:43 +0900234cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
235 -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $<
Masahiro Yamada04a34c92014-02-24 11:12:19 +0900236
Masahiro Yamada6825a952014-02-04 17:24:28 +0900237$(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
Masahiro Yamada395e60c2014-04-09 20:10:43 +0900238 $(call if_changed_dep,cpp_lds)
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000239
Masahiro Yamadaf9c235f2014-02-24 11:12:14 +0900240# read all saved command lines
241
242targets := $(wildcard $(sort $(targets)))
243cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
244
245ifneq ($(cmd_files),)
246 $(cmd_files): ; # Do not try to update included dependency files
247 include $(cmd_files)
248endif
249
Masahiro Yamada6825a952014-02-04 17:24:28 +0900250PHONY += FORCE
251FORCE:
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)