blob: 0997fd9fddfc862dec9164bc7ccc82cf96986b9c [file] [log] [blame]
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 Yamadae02ee252015-02-24 22:26:20 +090024-include include/config/auto.conf
Masahiro Yamada51148792014-07-30 14:08:17 +090025-include $(obj)/include/autoconf.mk
Masahiro Yamadae0d5d9f2014-02-04 17:24:22 +090026
Masahiro Yamadae02ee252015-02-24 22:26:20 +090027KBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD
Ying Zhang3aa29de2013-08-16 15:16:15 +080028ifeq ($(CONFIG_TPL_BUILD),y)
Masahiro Yamadae02ee252015-02-24 22:26:20 +090029KBUILD_CPPFLAGS += -DCONFIG_TPL_BUILD
30endif
31
32ifeq ($(CONFIG_TPL_BUILD),y)
Ying Zhang3aa29de2013-08-16 15:16:15 +080033SPL_BIN := u-boot-tpl
34else
35SPL_BIN := u-boot-spl
36endif
37
Masahiro Yamada4379ac62014-03-11 11:05:19 +090038include $(srctree)/config.mk
Daniel Schwierzecke19db552014-11-21 23:51:33 +010039include $(srctree)/arch/$(ARCH)/Makefile
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000040
Masahiro Yamada026f9cf2014-03-05 16:59:40 +090041# Enable garbage collection of un-used sections for SPL
42KBUILD_CFLAGS += -ffunction-sections -fdata-sections
43LDFLAGS_FINAL += --gc-sections
44
Masahiro Yamada5fe63012014-02-04 17:24:33 +090045# FIX ME
Masahiro Yamada026f9cf2014-03-05 16:59:40 +090046cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \
47 $(NOSTDINC_FLAGS)
Masahiro Yamada5fe63012014-02-04 17:24:33 +090048
Masahiro Yamada01286322014-03-11 11:05:20 +090049HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000050
Masahiro Yamadabf69d662014-04-25 21:54:31 +090051libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/)
Masahiro Yamada656de6b2014-02-04 17:24:37 +090052libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000053
Masahiro Yamada656de6b2014-02-04 17:24:37 +090054libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/
Simon Glassaf6bbd42015-10-19 06:49:56 -060055libs-y += common/init/
Simon Glass72a8cf82016-01-17 20:53:51 -070056libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ cmd/
Masahiro Yamada656de6b2014-02-04 17:24:37 +090057libs-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/
Masahiro Yamadad6c2ac52015-08-12 07:31:44 +090058libs-y += drivers/
Michal Simek8d7a2b82015-11-09 10:45:07 +010059libs-y += dts/
Masahiro Yamada656de6b2014-02-04 17:24:37 +090060libs-y += fs/
61libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
Masahiro Yamada656de6b2014-02-04 17:24:37 +090062libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
63libs-$(CONFIG_SPL_NET_SUPPORT) += net/
Daniel Schwierzeckefcc6092011-07-13 05:11:08 +000064
Masahiro Yamada656de6b2014-02-04 17:24:37 +090065head-y := $(addprefix $(obj)/,$(head-y))
66libs-y := $(addprefix $(obj)/,$(libs-y))
67u-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y)))
68
69libs-y := $(patsubst %/, %/built-in.o, $(libs-y))
Masahiro Yamadae2906a52013-11-11 14:36:00 +090070
Allen Martin660e98f2012-08-31 08:30:14 +000071# Add GCC lib
Masahiro Yamadacd2e46c2014-03-05 16:59:38 +090072ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
Masahiro Yamadaa86cf892014-02-27 22:40:34 +090073PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
Masahiro Yamada64452622014-02-24 20:44:14 +090074PLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
Allen Martin660e98f2012-08-31 08:30:14 +000075endif
76
Masahiro Yamada656de6b2014-02-04 17:24:37 +090077u-boot-spl-init := $(head-y)
78u-boot-spl-main := $(libs-y)
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000079
80# Linker Script
81ifdef CONFIG_SPL_LDSCRIPT
82# need to strip off double quotes
Masahiro Yamada01286322014-03-11 11:05:20 +090083LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000084endif
85
86ifeq ($(wildcard $(LDSCRIPT)),)
Masahiro Yamada4379ac62014-03-11 11:05:19 +090087 LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000088endif
89ifeq ($(wildcard $(LDSCRIPT)),)
Masahiro Yamada4379ac62014-03-11 11:05:19 +090090 LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000091endif
92ifeq ($(wildcard $(LDSCRIPT)),)
Masahiro Yamada4379ac62014-03-11 11:05:19 +090093 LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds
Simon Glassee601972011-11-21 10:49:37 +000094endif
95ifeq ($(wildcard $(LDSCRIPT)),)
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000096$(error could not find linker script)
97endif
98
99# Special flags for CPP when processing the linker script.
100# Pass the version down so we can handle backwards compatibility
101# on the fly.
102LDPPFLAGS += \
Masahiro Yamada4379ac62014-03-11 11:05:19 +0900103 -include $(srctree)/include/u-boot/u-boot.lds.h \
Masahiro Yamada5ee828c2014-03-11 11:05:21 +0900104 -include $(objtree)/include/config.h \
Simon Glass7e6403a2011-11-21 10:49:40 +0000105 -DCPUDIR=$(CPUDIR) \
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000106 $(shell $(LD) --version | \
107 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
108
Marek Vasutb97241b2014-03-14 05:00:14 +0100109quiet_cmd_mkimage = MKIMAGE $@
Masahiro Yamada9bf215b2014-02-24 11:12:15 +0900110cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
111 $(if $(KBUILD_VERBOSE:1=), >/dev/null)
Tom Rini79b9ebb2012-10-16 13:06:06 +0000112
Masahiro Yamada9bf215b2014-02-24 11:12:15 +0900113MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE)
114
115MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE)
116
Masahiro Yamada514ec432016-02-05 17:55:13 +0900117MLO MLO.byteswap: $(obj)/u-boot-spl.bin FORCE
Masahiro Yamada9bf215b2014-02-24 11:12:15 +0900118 $(call if_changed,mkimage)
John Rigby3decb142011-07-21 09:10:30 -0400119
Nathan Rossi08598d62015-11-17 22:56:57 +1000120ifeq ($(CONFIG_SYS_SOC),"at91")
Andreas Bießmann5c390a52014-05-19 14:23:40 +0200121MKIMAGEFLAGS_boot.bin = -T atmelimage
122
123ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y)
124MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params)
125
126boot.bin: $(obj)/../tools/atmel_pmecc_params
127endif
128
Masahiro Yamada514ec432016-02-05 17:55:13 +0900129boot.bin: $(obj)/u-boot-spl.bin FORCE
Andreas Bießmann5c390a52014-05-19 14:23:40 +0200130 $(call if_changed,mkimage)
Nathan Rossi08598d62015-11-17 22:56:57 +1000131else
Michal Simekd9b58b32016-04-27 14:03:29 +0200132ifdef CONFIG_ARCH_ZYNQ
Nathan Rossi08598d62015-11-17 22:56:57 +1000133MKIMAGEFLAGS_boot.bin = -T zynqimage
Michal Simekd9b58b32016-04-27 14:03:29 +0200134endif
135ifdef CONFIG_ARCH_ZYNQMP
136MKIMAGEFLAGS_boot.bin = -T zynqmpimage
137endif
Nathan Rossi08598d62015-11-17 22:56:57 +1000138
Masahiro Yamada514ec432016-02-05 17:55:13 +0900139spl/boot.bin: $(obj)/u-boot-spl.bin FORCE
Nathan Rossi08598d62015-11-17 22:56:57 +1000140 $(call if_changed,mkimage)
141endif
Andreas Bießmann5c390a52014-05-19 14:23:40 +0200142
Simon Glass741e58e2015-02-05 22:06:10 -0700143ALL-y += $(obj)/$(SPL_BIN).bin $(obj)/$(SPL_BIN).cfg
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000144
Chander Kashyap98a48c52011-08-18 22:37:20 +0000145ifdef CONFIG_SAMSUNG
Masahiro Yamada9e414032014-02-04 17:24:24 +0900146ALL-y += $(obj)/$(BOARD)-spl.bin
Chander Kashyap98a48c52011-08-18 22:37:20 +0000147endif
148
Marek Vasut333b7202015-07-15 02:53:45 +0200149ifdef CONFIG_ARCH_SOCFPGA
Simon Glassbd7dc382016-01-31 18:10:53 -0700150ALL-y += $(obj)/$(SPL_BIN).sfp
Marek Vasut333b7202015-07-15 02:53:45 +0200151endif
152
Ian Campbell50827a52014-05-05 11:52:30 +0100153ifdef CONFIG_SUNXI
Ian Campbell50827a52014-05-05 11:52:30 +0100154ALL-y += $(obj)/sunxi-spl.bin
155endif
Ian Campbell50827a52014-05-05 11:52:30 +0100156
Heiko Schocherc0014862014-10-30 09:59:59 +0100157ifeq ($(CONFIG_SYS_SOC),"at91")
158ALL-y += boot.bin
159endif
160
Michal Simek1a6a6e92016-05-30 14:57:02 +0200161ALL-$(CONFIG_ARCH_ZYNQ) += $(obj)/boot.bin
162ALL-$(CONFIG_ARCH_ZYNQMP) += $(obj)/boot.bin
Michal Simekd9b58b32016-04-27 14:03:29 +0200163
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000164all: $(ALL-y)
165
Simon Glassfa78e0a2015-06-23 15:38:29 -0600166quiet_cmd_cat = CAT $@
167cmd_cat = cat $(filter-out $(PHONY), $^) > $@
168
Simon Glass03c25bc2016-01-31 18:10:51 -0700169quiet_cmd_copy = COPY $@
170 cmd_copy = cp $< $@
171
Michal Simekfd2d1e02016-04-28 09:08:18 +0200172ifeq ($(CONFIG_SPL_OF_CONTROL)$(CONFIG_OF_SEPARATE),yy)
Simon Glass03c25bc2016-01-31 18:10:51 -0700173$(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin $(obj)/$(SPL_BIN)-pad.bin \
Simon Glassfa78e0a2015-06-23 15:38:29 -0600174 $(obj)/$(SPL_BIN).dtb FORCE
175 $(call if_changed,cat)
176
Simon Glass03c25bc2016-01-31 18:10:51 -0700177$(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-dtb.bin FORCE
178 $(call if_changed,copy)
179else
180$(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-nodtb.bin FORCE
181 $(call if_changed,copy)
182endif
183
184# Create a file that pads from the end of u-boot-spl-nodtb.bin to bss_end
Simon Glassfa78e0a2015-06-23 15:38:29 -0600185$(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN)
186 @bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \
187 dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null;
188
189# Pass the original device tree file through fdtgrep twice. The first pass
190# removes any unwanted nodes (i.e. those which don't have the
191# 'u-boot,dm-pre-reloc' property and thus are not needed by SPL. The second
192# pass removes various unused properties from the remaining nodes.
193# The output is typically a much smaller device tree file.
194quiet_cmd_fdtgrep = FDTGREP $@
195 cmd_fdtgrep = $(objtree)/tools/fdtgrep -b u-boot,dm-pre-reloc -RT $< \
196 -n /chosen -O dtb | \
197 $(objtree)/tools/fdtgrep -r -O dtb - -o $@ \
198 $(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS)))
199
Masahiro Yamada35b78672016-02-05 17:55:14 +0900200$(obj)/$(SPL_BIN).dtb: dts/dt.dtb $(objtree)/tools/fdtgrep FORCE
201 $(call if_changed,fdtgrep)
Simon Glassfa78e0a2015-06-23 15:38:29 -0600202
Simon Glass741e58e2015-02-05 22:06:10 -0700203quiet_cmd_cpp_cfg = CFG $@
204cmd_cpp_cfg = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
Masahiro Yamada31134712015-05-26 12:51:25 +0900205 -DDO_DEPS_ONLY -D__ASSEMBLY__ -x assembler-with-cpp -P -dM -E -o $@ $<
Simon Glass741e58e2015-02-05 22:06:10 -0700206
Masahiro Yamada514ec432016-02-05 17:55:13 +0900207$(obj)/$(SPL_BIN).cfg: include/config.h FORCE
Simon Glass741e58e2015-02-05 22:06:10 -0700208 $(call if_changed,cpp_cfg)
209
Chander Kashyap98a48c52011-08-18 22:37:20 +0000210ifdef CONFIG_SAMSUNG
Rajeshwari Birje0fcac1a2013-12-26 09:44:27 +0530211ifdef CONFIG_VAR_SIZE_SPL
212VAR_SIZE_PARAM = --vs
213else
214VAR_SIZE_PARAM =
215endif
Masahiro Yamada9e414032014-02-04 17:24:24 +0900216$(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
Masahiro Yamada5ee828c2014-03-11 11:05:21 +0900217 $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
218 $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
219 $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
Chander Kashyap98a48c52011-08-18 22:37:20 +0000220endif
221
Masahiro Yamadaf9c235f2014-02-24 11:12:14 +0900222quiet_cmd_objcopy = OBJCOPY $@
223cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
224
Simon Glass03c25bc2016-01-31 18:10:51 -0700225OBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary
Masahiro Yamadaf9c235f2014-02-24 11:12:14 +0900226
Simon Glass03c25bc2016-01-31 18:10:51 -0700227$(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE
Masahiro Yamadaf9c235f2014-02-24 11:12:14 +0900228 $(call if_changed,objcopy)
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000229
Masahiro Yamada9e414032014-02-04 17:24:24 +0900230LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
Masahiro Yamadae0d5d9f2014-02-04 17:24:22 +0900231ifneq ($(CONFIG_SPL_TEXT_BASE),)
232LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
233endif
234
Simon Glassbd7dc382016-01-31 18:10:53 -0700235MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage
236$(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE
Marek Vasut333b7202015-07-15 02:53:45 +0200237 $(call if_changed,mkimage)
Marek Vasut333b7202015-07-15 02:53:45 +0200238
Ian Campbell50827a52014-05-05 11:52:30 +0100239quiet_cmd_mksunxiboot = MKSUNXI $@
240cmd_mksunxiboot = $(objtree)/tools/mksunxiboot $< $@
Masahiro Yamada514ec432016-02-05 17:55:13 +0900241$(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE
Ian Campbell50827a52014-05-05 11:52:30 +0100242 $(call if_changed,mksunxiboot)
Ian Campbell50827a52014-05-05 11:52:30 +0100243
Masahiro Yamada656de6b2014-02-04 17:24:37 +0900244quiet_cmd_u-boot-spl = LD $@
Masahiro Yamada9adb6d22014-10-24 01:30:44 +0900245 cmd_u-boot-spl = (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
Masahiro Yamada656de6b2014-02-04 17:24:37 +0900246 $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \
247 $(patsubst $(obj)/%,%,$(u-boot-spl-main)) --end-group \
Masahiro Yamada9adb6d22014-10-24 01:30:44 +0900248 $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN))
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000249
Masahiro Yamada9adb6d22014-10-24 01:30:44 +0900250$(obj)/$(SPL_BIN): $(u-boot-spl-init) $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE
251 $(call if_changed,u-boot-spl)
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000252
Masahiro Yamada656de6b2014-02-04 17:24:37 +0900253$(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000254
Masahiro Yamada656de6b2014-02-04 17:24:37 +0900255PHONY += $(u-boot-spl-dirs)
256$(u-boot-spl-dirs):
257 $(Q)$(MAKE) $(build)=$@
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000258
Masahiro Yamada04a34c92014-02-24 11:12:19 +0900259quiet_cmd_cpp_lds = LDS $@
Masahiro Yamada395e60c2014-04-09 20:10:43 +0900260cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
261 -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $<
Masahiro Yamada04a34c92014-02-24 11:12:19 +0900262
Masahiro Yamada6825a952014-02-04 17:24:28 +0900263$(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
Masahiro Yamada395e60c2014-04-09 20:10:43 +0900264 $(call if_changed_dep,cpp_lds)
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000265
Masahiro Yamadaf9c235f2014-02-24 11:12:14 +0900266# read all saved command lines
267
268targets := $(wildcard $(sort $(targets)))
269cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
270
271ifneq ($(cmd_files),)
272 $(cmd_files): ; # Do not try to update included dependency files
273 include $(cmd_files)
274endif
275
Masahiro Yamada6825a952014-02-04 17:24:28 +0900276PHONY += FORCE
277FORCE:
278
279# Declare the contents of the .PHONY variable as phony. We keep that
280# information in a variable so we can use it in if_changed and friends.
281.PHONY: $(PHONY)