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1 #
2 # (C) Copyright 2000-2012
3 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 #
5 # See file CREDITS for list of people who contributed to this
6 # project.
7 #
8 # This program is free software; you can redistribute it and/or
9 # modify it under the terms of the GNU General Public License as
10 # published by the Free Software Foundatio; either version 2 of
11 # the License, or (at your option) any later version.
12 #
13 # This program is distributed in the hope that it will be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 # GNU General Public License for more details.
17 #
18 # You should have received a copy of the GNU General Public License
19 # along with this program; if not, write to the Free Software
20 # Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 # MA 02111-1307 USA
22 #
23
24 VERSION = 2012
25 PATCHLEVEL = 10
26 SUBLEVEL =
27 EXTRAVERSION = -rc1
28 ifneq "$(SUBLEVEL)" ""
29 U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
30 else
31 U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL)$(EXTRAVERSION)
32 endif
33 TIMESTAMP_FILE = $(obj)include/generated/timestamp_autogenerated.h
34 VERSION_FILE = $(obj)include/generated/version_autogenerated.h
35
36 HOSTARCH := $(shell uname -m | \
37         sed -e s/i.86/x86/ \
38             -e s/sun4u/sparc64/ \
39             -e s/arm.*/arm/ \
40             -e s/sa110/arm/ \
41             -e s/ppc64/powerpc/ \
42             -e s/ppc/powerpc/ \
43             -e s/macppc/powerpc/\
44             -e s/sh.*/sh/)
45
46 HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \
47             sed -e 's/\(cygwin\).*/cygwin/')
48
49 # Set shell to bash if possible, otherwise fall back to sh
50 SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
51         else if [ -x /bin/bash ]; then echo /bin/bash; \
52         else echo sh; fi; fi)
53
54 export  HOSTARCH HOSTOS SHELL
55
56 # Deal with colliding definitions from tcsh etc.
57 VENDOR=
58
59 #########################################################################
60 # Allow for silent builds
61 ifeq (,$(findstring s,$(MAKEFLAGS)))
62 XECHO = echo
63 else
64 XECHO = :
65 endif
66
67 #########################################################################
68 #
69 # U-boot build supports producing a object files to the separate external
70 # directory. Two use cases are supported:
71 #
72 # 1) Add O= to the make command line
73 # 'make O=/tmp/build all'
74 #
75 # 2) Set environement variable BUILD_DIR to point to the desired location
76 # 'export BUILD_DIR=/tmp/build'
77 # 'make'
78 #
79 # The second approach can also be used with a MAKEALL script
80 # 'export BUILD_DIR=/tmp/build'
81 # './MAKEALL'
82 #
83 # Command line 'O=' setting overrides BUILD_DIR environent variable.
84 #
85 # When none of the above methods is used the local build is performed and
86 # the object files are placed in the source directory.
87 #
88
89 ifdef O
90 ifeq ("$(origin O)", "command line")
91 BUILD_DIR := $(O)
92 endif
93 endif
94
95 ifneq ($(BUILD_DIR),)
96 saved-output := $(BUILD_DIR)
97
98 # Attempt to create a output directory.
99 $(shell [ -d ${BUILD_DIR} ] || mkdir -p ${BUILD_DIR})
100
101 # Verify if it was successful.
102 BUILD_DIR := $(shell cd $(BUILD_DIR) && /bin/pwd)
103 $(if $(BUILD_DIR),,$(error output directory "$(saved-output)" does not exist))
104 endif # ifneq ($(BUILD_DIR),)
105
106 OBJTREE         := $(if $(BUILD_DIR),$(BUILD_DIR),$(CURDIR))
107 SPLTREE         := $(OBJTREE)/spl
108 SRCTREE         := $(CURDIR)
109 TOPDIR          := $(SRCTREE)
110 LNDIR           := $(OBJTREE)
111 export  TOPDIR SRCTREE OBJTREE SPLTREE
112
113 MKCONFIG        := $(SRCTREE)/mkconfig
114 export MKCONFIG
115
116 ifneq ($(OBJTREE),$(SRCTREE))
117 REMOTE_BUILD    := 1
118 export REMOTE_BUILD
119 endif
120
121 # $(obj) and (src) are defined in config.mk but here in main Makefile
122 # we also need them before config.mk is included which is the case for
123 # some targets like unconfig, clean, clobber, distclean, etc.
124 ifneq ($(OBJTREE),$(SRCTREE))
125 obj := $(OBJTREE)/
126 src := $(SRCTREE)/
127 else
128 obj :=
129 src :=
130 endif
131 export obj src
132
133 # Make sure CDPATH settings don't interfere
134 unexport CDPATH
135
136 #########################################################################
137
138 # The "tools" are needed early, so put this first
139 # Don't include stuff already done in $(LIBS)
140 # The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC
141 # is "yes"), so compile examples after U-Boot is compiled.
142 SUBDIR_TOOLS = tools
143 SUBDIR_EXAMPLES = examples/standalone examples/api
144 SUBDIRS = $(SUBDIR_TOOLS)
145
146 .PHONY : $(SUBDIRS) $(VERSION_FILE) $(TIMESTAMP_FILE)
147
148 ifeq ($(obj)include/config.mk,$(wildcard $(obj)include/config.mk))
149
150 # Include autoconf.mk before config.mk so that the config options are available
151 # to all top level build files.  We need the dummy all: target to prevent the
152 # dependency target in autoconf.mk.dep from being the default.
153 all:
154 sinclude $(obj)include/autoconf.mk.dep
155 sinclude $(obj)include/autoconf.mk
156
157 ifndef CONFIG_SANDBOX
158 SUBDIRS += $(SUBDIR_EXAMPLES)
159 endif
160
161 # load ARCH, BOARD, and CPU configuration
162 include $(obj)include/config.mk
163 export  ARCH CPU BOARD VENDOR SOC
164
165 # set default to nothing for native builds
166 ifeq ($(HOSTARCH),$(ARCH))
167 CROSS_COMPILE ?=
168 endif
169
170 # load other configuration
171 include $(TOPDIR)/config.mk
172
173 # If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
174 # that (or fail if absent).  Otherwise, search for a linker script in a
175 # standard location.
176
177 LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT))
178
179 ifndef LDSCRIPT
180         #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
181         ifdef CONFIG_SYS_LDSCRIPT
182                 # need to strip off double quotes
183                 LDSCRIPT := $(subst ",,$(CONFIG_SYS_LDSCRIPT))
184         endif
185 endif
186
187 # If there is no specified link script, we look in a number of places for it
188 ifndef LDSCRIPT
189         ifeq ($(CONFIG_NAND_U_BOOT),y)
190                 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds
191                 ifeq ($(wildcard $(LDSCRIPT)),)
192                         LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds
193                 endif
194         endif
195         ifeq ($(wildcard $(LDSCRIPT)),)
196                 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds
197         endif
198         ifeq ($(wildcard $(LDSCRIPT)),)
199                 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds
200         endif
201         ifeq ($(wildcard $(LDSCRIPT)),)
202                 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds
203                 # We don't expect a Makefile here
204                 LDSCRIPT_MAKEFILE_DIR =
205         endif
206         ifeq ($(wildcard $(LDSCRIPT)),)
207 $(error could not find linker script)
208         endif
209 endif
210
211 #########################################################################
212 # U-Boot objects....order is important (i.e. start must be first)
213
214 OBJS  = $(CPUDIR)/start.o
215 ifeq ($(CPU),x86)
216 OBJS += $(CPUDIR)/start16.o
217 OBJS += $(CPUDIR)/resetvec.o
218 endif
219 ifeq ($(CPU),ppc4xx)
220 OBJS += $(CPUDIR)/resetvec.o
221 endif
222 ifeq ($(CPU),mpc85xx)
223 OBJS += $(CPUDIR)/resetvec.o
224 endif
225
226 OBJS := $(addprefix $(obj),$(OBJS))
227
228 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n)
229
230 LIBS-y += lib/libgeneric.o
231 LIBS-y += lib/lzma/liblzma.o
232 LIBS-y += lib/lzo/liblzo.o
233 LIBS-y += lib/zlib/libz.o
234 LIBS-$(CONFIG_TIZEN) += lib/tizen/libtizen.o
235 LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/lib$(VENDOR).o
236 LIBS-y += $(CPUDIR)/lib$(CPU).o
237 ifdef SOC
238 LIBS-y += $(CPUDIR)/$(SOC)/lib$(SOC).o
239 endif
240 ifeq ($(CPU),ixp)
241 LIBS-y += arch/arm/cpu/ixp/npe/libnpe.o
242 endif
243 LIBS-$(CONFIG_OF_EMBED) += dts/libdts.o
244 LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o
245 LIBS-y += fs/cramfs/libcramfs.o \
246         fs/ext4/libext4fs.o \
247         fs/fat/libfat.o \
248         fs/fdos/libfdos.o \
249         fs/jffs2/libjffs2.o \
250         fs/reiserfs/libreiserfs.o \
251         fs/ubifs/libubifs.o \
252         fs/yaffs2/libyaffs2.o \
253         fs/zfs/libzfs.o
254 LIBS-y += net/libnet.o
255 LIBS-y += disk/libdisk.o
256 LIBS-y += drivers/bios_emulator/libatibiosemu.o
257 LIBS-y += drivers/block/libblock.o
258 LIBS-$(CONFIG_BOOTCOUNT_LIMIT) += drivers/bootcount/libbootcount.o
259 LIBS-y += drivers/dma/libdma.o
260 LIBS-y += drivers/fpga/libfpga.o
261 LIBS-y += drivers/gpio/libgpio.o
262 LIBS-y += drivers/hwmon/libhwmon.o
263 LIBS-y += drivers/i2c/libi2c.o
264 LIBS-y += drivers/input/libinput.o
265 LIBS-y += drivers/misc/libmisc.o
266 LIBS-y += drivers/mmc/libmmc.o
267 LIBS-y += drivers/mtd/libmtd.o
268 LIBS-y += drivers/mtd/nand/libnand.o
269 LIBS-y += drivers/mtd/onenand/libonenand.o
270 LIBS-y += drivers/mtd/ubi/libubi.o
271 LIBS-y += drivers/mtd/spi/libspi_flash.o
272 LIBS-y += drivers/net/libnet.o
273 LIBS-y += drivers/net/phy/libphy.o
274 LIBS-y += drivers/pci/libpci.o
275 LIBS-y += drivers/pcmcia/libpcmcia.o
276 LIBS-y += drivers/power/libpower.o
277 LIBS-y += drivers/spi/libspi.o
278 LIBS-y += drivers/dfu/libdfu.o
279 ifeq ($(CPU),mpc83xx)
280 LIBS-y += drivers/qe/libqe.o
281 LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
282 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
283 endif
284 ifeq ($(CPU),mpc85xx)
285 LIBS-y += drivers/qe/libqe.o
286 LIBS-y += drivers/net/fm/libfm.o
287 LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
288 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
289 endif
290 ifeq ($(CPU),mpc86xx)
291 LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
292 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
293 endif
294 LIBS-y += drivers/rtc/librtc.o
295 LIBS-y += drivers/serial/libserial.o
296 LIBS-$(CONFIG_GENERIC_LPC_TPM) += drivers/tpm/libtpm.o
297 LIBS-y += drivers/twserial/libtws.o
298 LIBS-y += drivers/usb/eth/libusb_eth.o
299 LIBS-y += drivers/usb/gadget/libusb_gadget.o
300 LIBS-y += drivers/usb/host/libusb_host.o
301 LIBS-y += drivers/usb/musb/libusb_musb.o
302 LIBS-y += drivers/usb/phy/libusb_phy.o
303 LIBS-y += drivers/usb/ulpi/libusb_ulpi.o
304 LIBS-y += drivers/video/libvideo.o
305 LIBS-y += drivers/watchdog/libwatchdog.o
306 LIBS-y += common/libcommon.o
307 LIBS-y += lib/libfdt/libfdt.o
308 LIBS-y += api/libapi.o
309 LIBS-y += post/libpost.o
310 LIBS-y += test/libtest.o
311
312 ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX),)
313 LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
314 endif
315
316 ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
317 LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
318 endif
319
320 ifeq ($(SOC),s5pc1xx)
321 LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
322 endif
323 ifeq ($(SOC),exynos)
324 LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
325 endif
326 ifeq ($(SOC),tegra20)
327 LIBS-y += arch/$(ARCH)/cpu/$(SOC)-common/lib$(SOC)-common.o
328 endif
329
330 LIBS := $(addprefix $(obj),$(sort $(LIBS-y)))
331 .PHONY : $(LIBS)
332
333 LIBBOARD = board/$(BOARDDIR)/lib$(BOARD).o
334 LIBBOARD := $(addprefix $(obj),$(LIBBOARD))
335
336 # Add GCC lib
337 ifdef USE_PRIVATE_LIBGCC
338 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
339 PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o
340 else
341 PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc
342 endif
343 else
344 PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
345 endif
346 PLATFORM_LIBS += $(PLATFORM_LIBGCC)
347 export PLATFORM_LIBS
348
349 # Special flags for CPP when processing the linker script.
350 # Pass the version down so we can handle backwards compatibility
351 # on the fly.
352 LDPPFLAGS += \
353         -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
354         -DCPUDIR=$(CPUDIR) \
355         $(shell $(LD) --version | \
356           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
357
358 __OBJS := $(subst $(obj),,$(OBJS))
359 __LIBS := $(subst $(obj),,$(LIBS)) $(subst $(obj),,$(LIBBOARD))
360
361 #########################################################################
362 #########################################################################
363
364 ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
365 BOARD_SIZE_CHECK = \
366         @actual=`wc -c $@ | awk '{print $$1}'`; \
367         limit=$(CONFIG_BOARD_SIZE_LIMIT); \
368         if test $$actual -gt $$limit; then \
369                 echo "$@ exceeds file size limit:"; \
370                 echo "  limit:  $$limit bytes"; \
371                 echo "  actual: $$actual bytes"; \
372                 echo "  excess: $$((actual - limit)) bytes"; \
373                 exit 1; \
374         fi
375 else
376 BOARD_SIZE_CHECK =
377 endif
378
379 # Always append ALL so that arch config.mk's can add custom ones
380 ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map
381
382 ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin
383 ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin
384 ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin
385 ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin
386
387 # enable combined SPL/u-boot/dtb rules for tegra
388 ifeq ($(SOC),tegra20)
389 ifeq ($(CONFIG_OF_SEPARATE),y)
390 ALL-y += $(obj)u-boot-dtb-tegra.bin
391 else
392 ALL-y += $(obj)u-boot-nodtb-tegra.bin
393 endif
394 endif
395
396 all:            $(ALL-y) $(SUBDIR_EXAMPLES)
397
398 $(obj)u-boot.dtb:       $(obj)u-boot
399                 $(MAKE) -C dts binary
400                 mv $(obj)dts/dt.dtb $@
401
402 $(obj)u-boot-dtb.bin:   $(obj)u-boot.bin $(obj)u-boot.dtb
403                 cat $^ >$@
404
405 $(obj)u-boot.hex:       $(obj)u-boot
406                 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
407
408 $(obj)u-boot.srec:      $(obj)u-boot
409                 $(OBJCOPY) -O srec $< $@
410
411 $(obj)u-boot.bin:       $(obj)u-boot
412                 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
413                 $(BOARD_SIZE_CHECK)
414
415 $(obj)u-boot.ldr:       $(obj)u-boot
416                 $(CREATE_LDR_ENV)
417                 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
418                 $(BOARD_SIZE_CHECK)
419
420 $(obj)u-boot.ldr.hex:   $(obj)u-boot.ldr
421                 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary
422
423 $(obj)u-boot.ldr.srec:  $(obj)u-boot.ldr
424                 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary
425
426 $(obj)u-boot.img:       $(obj)u-boot.bin
427                 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
428                 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) -e 0 \
429                 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \
430                         sed -e 's/"[     ]*$$/ for $(BOARD) board"/') \
431                 -d $< $@
432
433 $(obj)u-boot.imx:       $(obj)u-boot.bin
434                 $(obj)tools/mkimage -n  $(CONFIG_IMX_CONFIG) -T imximage \
435                 -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
436
437 $(obj)u-boot.kwb:       $(obj)u-boot.bin
438                 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
439                 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
440
441 $(obj)u-boot.pbl:       $(obj)u-boot.bin
442                 $(obj)tools/mkimage -n $(CONFIG_PBLRCW_CONFIG) \
443                 -R $(CONFIG_PBLPBI_CONFIG) -T pblimage \
444                 -d $< $@
445
446 $(obj)u-boot.sha1:      $(obj)u-boot.bin
447                 $(obj)tools/ubsha1 $(obj)u-boot.bin
448
449 $(obj)u-boot.dis:       $(obj)u-boot
450                 $(OBJDUMP) -d $< > $@
451
452 $(obj)u-boot.ubl:       $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
453                 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(PAD_TO) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
454                 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $(obj)u-boot-ubl.bin
455                 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \
456                 -e $(CONFIG_SYS_TEXT_BASE) -d $(obj)u-boot-ubl.bin $(obj)u-boot.ubl
457                 rm $(obj)u-boot-ubl.bin
458                 rm $(obj)spl/u-boot-spl-pad.bin
459
460 $(obj)u-boot.ais:       $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
461                 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \
462                         -T aisimage \
463                         -e $(CONFIG_SPL_TEXT_BASE) \
464                         -d $(obj)spl/u-boot-spl.bin \
465                         $(obj)spl/u-boot-spl.ais
466                 $(OBJCOPY) ${OBJCFLAGS} -I binary \
467                         --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \
468                         $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais
469                 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.bin > \
470                         $(obj)u-boot.ais
471
472 # Specify the target for use in elftosb call
473 ELFTOSB_TARGET-$(CONFIG_MX28) = imx28
474
475 $(obj)u-boot.sb:       $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin
476                 elftosb -zdf $(ELFTOSB_TARGET-y) -c $(TOPDIR)/$(CPUDIR)/$(SOC)/u-boot-$(ELFTOSB_TARGET-y).bd \
477                         -o $(obj)u-boot.sb
478
479 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
480 # Both images are created using mkimage (crc etc), so that the ROM
481 # bootloader can check its integrity. Padding needs to be done to the
482 # SPL image (with mkimage header) and not the binary. Otherwise the resulting image
483 # which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
484 # The resulting image containing both U-Boot images is called u-boot.spr
485 $(obj)u-boot.spr:       $(obj)u-boot.img $(obj)spl/u-boot-spl.bin
486                 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
487                 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \
488                 -d $(obj)spl/u-boot-spl.bin $(obj)spl/u-boot-spl.img
489                 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_SPL_PAD_TO) \
490                         of=$(obj)spl/u-boot-spl-pad.img 2>/dev/null
491                 dd if=$(obj)spl/u-boot-spl.img of=$(obj)spl/u-boot-spl-pad.img \
492                         conv=notrunc 2>/dev/null
493                 cat $(obj)spl/u-boot-spl-pad.img $(obj)u-boot.img > $@
494
495 ifeq ($(SOC),tegra20)
496 ifeq ($(CONFIG_OF_SEPARATE),y)
497 $(obj)u-boot-dtb-tegra.bin:     $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin $(obj)u-boot.dtb
498                 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
499                 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin $(obj)u-boot.dtb > $@
500                 rm $(obj)spl/u-boot-spl-pad.bin
501 else
502 $(obj)u-boot-nodtb-tegra.bin:   $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
503                 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
504                 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@
505                 rm $(obj)spl/u-boot-spl-pad.bin
506 endif
507 endif
508
509 ifeq ($(CONFIG_SANDBOX),y)
510 GEN_UBOOT = \
511                 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \
512                         -Wl,--start-group $(__LIBS) -Wl,--end-group \
513                         $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot
514 else
515 GEN_UBOOT = \
516                 UNDEF_SYM=`$(OBJDUMP) -x $(LIBBOARD) $(LIBS) | \
517                 sed  -n -e 's/.*\($(SYM_PREFIX)__u_boot_cmd_.*\)/-u\1/p'|sort|uniq`;\
518                 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $$UNDEF_SYM $(__OBJS) \
519                         --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
520                         -Map u-boot.map -o u-boot
521 endif
522
523 $(obj)u-boot:   depend \
524                 $(SUBDIR_TOOLS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds
525                 $(GEN_UBOOT)
526 ifeq ($(CONFIG_KALLSYMS),y)
527                 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \
528                         awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
529                 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \
530                         -c common/system_map.c -o $(obj)common/system_map.o
531                 $(GEN_UBOOT) $(obj)common/system_map.o
532 endif
533
534 $(OBJS):        depend
535                 $(MAKE) -C $(CPUDIR) $(if $(REMOTE_BUILD),$@,$(notdir $@))
536
537 $(LIBS):        depend $(SUBDIR_TOOLS)
538                 $(MAKE) -C $(dir $(subst $(obj),,$@))
539
540 $(LIBBOARD):    depend $(LIBS)
541                 $(MAKE) -C $(dir $(subst $(obj),,$@))
542
543 $(SUBDIRS):     depend
544                 $(MAKE) -C $@ all
545
546 $(SUBDIR_EXAMPLES): $(obj)u-boot
547
548 $(LDSCRIPT):    depend
549                 $(MAKE) -C $(dir $@) $(notdir $@)
550
551 $(obj)u-boot.lds: $(LDSCRIPT)
552                 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
553
554 nand_spl:       $(TIMESTAMP_FILE) $(VERSION_FILE) depend
555                 $(MAKE) -C nand_spl/board/$(BOARDDIR) all
556
557 $(obj)u-boot-nand.bin:  nand_spl $(obj)u-boot.bin
558                 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin
559
560 $(obj)spl/u-boot-spl.bin:       $(SUBDIR_TOOLS) depend
561                 $(MAKE) -C spl all
562
563 updater:
564                 $(MAKE) -C tools/updater all
565
566 # Explicitly make _depend in subdirs containing multiple targets to prevent
567 # parallel sub-makes creating .depend files simultaneously.
568 depend dep:     $(TIMESTAMP_FILE) $(VERSION_FILE) \
569                 $(obj)include/autoconf.mk \
570                 $(obj)include/generated/generic-asm-offsets.h \
571                 $(obj)include/generated/asm-offsets.h
572                 for dir in $(SUBDIRS) $(CPUDIR) $(LDSCRIPT_MAKEFILE_DIR) ; do \
573                         $(MAKE) -C $$dir _depend ; done
574
575 TAG_SUBDIRS = $(SUBDIRS)
576 TAG_SUBDIRS += $(dir $(__LIBS))
577 TAG_SUBDIRS += include
578
579 FIND := find
580 FINDFLAGS := -L
581
582 checkstack:
583                 $(CROSS_COMPILE)objdump -d $(obj)u-boot \
584                         `$(FIND) $(obj) -name u-boot-spl -print` | \
585                         perl $(src)tools/checkstack.pl $(ARCH)
586
587 tags ctags:
588                 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
589                                                 -name '*.[chS]' -print`
590
591 etags:
592                 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
593                                                 -name '*.[chS]' -print`
594 cscope:
595                 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \
596                                                 cscope.files
597                 cscope -b -q -k
598
599 SYSTEM_MAP = \
600                 $(NM) $1 | \
601                 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
602                 LC_ALL=C sort
603 $(obj)System.map:       $(obj)u-boot
604                 @$(call SYSTEM_MAP,$<) > $(obj)System.map
605
606 checkthumb:
607         @if test $(call cc-version) -lt 0404; then \
608                 echo -n '*** Your GCC does not produce working '; \
609                 echo 'binaries in THUMB mode.'; \
610                 echo '*** Your board is configured for THUMB mode.'; \
611                 false; \
612         fi
613 #
614 # Auto-generate the autoconf.mk file (which is included by all makefiles)
615 #
616 # This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
617 # the dep file is only include in this top level makefile to determine when
618 # to regenerate the autoconf.mk file.
619 $(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h
620         @$(XECHO) Generating $@ ; \
621         set -e ; \
622         : Generate the dependancies ; \
623         $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \
624                 -MQ $(obj)include/autoconf.mk include/common.h > $@
625
626 $(obj)include/autoconf.mk: $(obj)include/config.h
627         @$(XECHO) Generating $@ ; \
628         set -e ; \
629         : Extract the config macros ; \
630         $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h | \
631                 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
632         mv $@.tmp $@
633
634 $(obj)include/generated/generic-asm-offsets.h:  $(obj)include/autoconf.mk.dep \
635         $(obj)lib/asm-offsets.s
636         @$(XECHO) Generating $@
637         tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@
638
639 $(obj)lib/asm-offsets.s:        $(obj)include/autoconf.mk.dep \
640         $(src)lib/asm-offsets.c
641         @mkdir -p $(obj)lib
642         $(CC) -DDO_DEPS_ONLY \
643                 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
644                 -o $@ $(src)lib/asm-offsets.c -c -S
645
646 $(obj)include/generated/asm-offsets.h:  $(obj)include/autoconf.mk.dep \
647         $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
648         @$(XECHO) Generating $@
649         tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@
650
651 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s:   $(obj)include/autoconf.mk.dep
652         @mkdir -p $(obj)$(CPUDIR)/$(SOC)
653         if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \
654                 $(CC) -DDO_DEPS_ONLY \
655                 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
656                         -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \
657         else \
658                 touch $@; \
659         fi
660
661 #########################################################################
662 else    # !config.mk
663 all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \
664 $(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \
665 $(filter-out tools,$(SUBDIRS)) \
666 updater depend dep tags ctags etags cscope $(obj)System.map:
667         @echo "System not configured - see README" >&2
668         @ exit 1
669
670 tools: $(VERSION_FILE) $(TIMESTAMP_FILE)
671         $(MAKE) -C $@ all
672 endif   # config.mk
673
674 $(VERSION_FILE):
675                 @mkdir -p $(dir $(VERSION_FILE))
676                 @( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \
677                    printf '#define PLAIN_VERSION "%s%s"\n' \
678                         "$(U_BOOT_VERSION)" "$${localvers}" ; \
679                    printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \
680                         "$(U_BOOT_VERSION)" "$${localvers}" ; \
681                 ) > $@.tmp
682                 @( printf '#define CC_VERSION_STRING "%s"\n' \
683                  '$(shell $(CC) --version | head -n 1)' )>>  $@.tmp
684                 @( printf '#define LD_VERSION_STRING "%s"\n' \
685                  '$(shell $(LD) -v | head -n 1)' )>>  $@.tmp
686                 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
687
688 $(TIMESTAMP_FILE):
689                 @mkdir -p $(dir $(TIMESTAMP_FILE))
690                 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp
691                 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp
692                 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
693
694 easylogo env gdb:
695         $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION}
696 gdbtools: gdb
697
698 tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE)
699         $(MAKE) -C tools HOST_TOOLS_ALL=y
700
701 .PHONY : CHANGELOG
702 CHANGELOG:
703         git log --no-merges U-Boot-1_1_5.. | \
704         unexpand -a | sed -e 's/\s\s*$$//' > $@
705
706 include/license.h: tools/bin2header COPYING
707         cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h
708 #########################################################################
709
710 unconfig:
711         @rm -f $(obj)include/config.h $(obj)include/config.mk \
712                 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \
713                 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep
714
715 %_config::      unconfig
716         @$(MKCONFIG) -A $(@:_config=)
717
718 sinclude $(obj).boards.depend
719 $(obj).boards.depend:   boards.cfg
720         @awk '(NF && $$1 !~ /^#/) { print $$1 ": " $$1 "_config; $$(MAKE)" }' $< > $@
721
722 #
723 # Functions to generate common board directory names
724 #
725 lcname  = $(shell echo $(1) | sed -e 's/\(.*\)_config/\L\1/')
726 ucname  = $(shell echo $(1) | sed -e 's/\(.*\)_config/\U\1/')
727
728 #========================================================================
729 # ARM
730 #========================================================================
731
732 SX1_stdout_serial_config \
733 SX1_config:             unconfig
734         @mkdir -p $(obj)include
735         @if [ "$(findstring _stdout_serial_, $@)" ] ; then \
736                 echo "#undef CONFIG_STDOUT_USBTTY" >> $(obj)include/config.h ; \
737         else \
738                 echo "#define CONFIG_STDOUT_USBTTY" >> $(obj)include/config.h ; \
739         fi;
740         @$(MKCONFIG) -n $@ SX1 arm arm925t sx1
741
742 #########################################################################
743 ## ARM1176 Systems
744 #########################################################################
745 smdk6400_noUSB_config   \
746 smdk6400_config :       unconfig
747         @mkdir -p $(obj)include $(obj)board/samsung/smdk6400
748         @mkdir -p $(obj)nand_spl/board/samsung/smdk6400
749         @echo "#define CONFIG_NAND_U_BOOT" > $(obj)include/config.h
750         @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
751         @if [ -z "$(findstring smdk6400_noUSB_config,$@)" ]; then                       \
752                 echo "RAM_TEXT = 0x57e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\
753         else                                                                            \
754                 echo "RAM_TEXT = 0xc7e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\
755         fi
756         @$(MKCONFIG) smdk6400 arm arm1176 smdk6400 samsung s3c64xx
757         @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
758
759 #########################################################################
760 #########################################################################
761
762 clean:
763         @rm -f $(obj)examples/standalone/82559_eeprom                     \
764                $(obj)examples/standalone/atmel_df_pow2                    \
765                $(obj)examples/standalone/eepro100_eeprom                  \
766                $(obj)examples/standalone/hello_world                      \
767                $(obj)examples/standalone/interrupt                        \
768                $(obj)examples/standalone/mem_to_mem_idma2intr             \
769                $(obj)examples/standalone/sched                            \
770                $(obj)examples/standalone/smc911{11,x}_eeprom              \
771                $(obj)examples/standalone/test_burst                       \
772                $(obj)examples/standalone/timer
773         @rm -f $(obj)examples/api/demo{,.bin}
774         @rm -f $(obj)tools/bmp_logo        $(obj)tools/easylogo/easylogo  \
775                $(obj)tools/env/{fw_printenv,fw_setenv}                    \
776                $(obj)tools/envcrc                                         \
777                $(obj)tools/gdb/{astest,gdbcont,gdbsend}                   \
778                $(obj)tools/gen_eth_addr    $(obj)tools/img2srec           \
779                $(obj)tools/mk{env,}image   $(obj)tools/mpc86x_clk         \
780                $(obj)tools/mk{smdk5250,}spl                               \
781                $(obj)tools/mxsboot                                        \
782                $(obj)tools/ncb             $(obj)tools/ubsha1
783         @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image}        \
784                $(obj)board/matrix_vision/*/bootscript.img                 \
785                $(obj)board/voiceblue/eeprom                               \
786                $(obj)u-boot.lds                                           \
787                $(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs]          \
788                $(obj)arch/blackfin/cpu/init.{lds,elf}
789         @rm -f $(obj)include/bmp_logo.h
790         @rm -f $(obj)include/bmp_logo_data.h
791         @rm -f $(obj)lib/asm-offsets.s
792         @rm -f $(obj)include/generated/asm-offsets.h
793         @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
794         @rm -f $(obj)nand_spl/{u-boot.lds,u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map,System.map}
795         @rm -f $(ONENAND_BIN)
796         @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.lds,u-boot-spl.map}
797         @rm -f $(obj)MLO
798         @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE)
799         @find $(OBJTREE) -type f \
800                 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \
801                 -o -name '*.o'  -o -name '*.a' -o -name '*.exe' \) -print \
802                 | xargs rm -f
803
804 # Removes everything not needed for testing u-boot
805 tidy:   clean
806         @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f
807
808 clobber:        tidy
809         @find $(OBJTREE) -type f \( -name '*.srec' \
810                 -o -name '*.bin' -o -name u-boot.img \) \
811                 -print0 | xargs -0 rm -f
812         @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \
813                 $(obj)cscope.* $(obj)*.*~
814         @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y)
815         @rm -f $(obj)u-boot.kwb
816         @rm -f $(obj)u-boot.pbl
817         @rm -f $(obj)u-boot.imx
818         @rm -f $(obj)u-boot.ubl
819         @rm -f $(obj)u-boot.ais
820         @rm -f $(obj)u-boot.dtb
821         @rm -f $(obj)u-boot.sb
822         @rm -f $(obj)u-boot.spr
823         @rm -f $(obj)tools/xway-swap-bytes
824         @rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c
825         @rm -f $(obj)arch/powerpc/cpu/mpc83xx/ddr-gen?.c
826         @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
827         @rm -fr $(obj)include/generated
828         @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f
829         @rm -f $(obj)dts/*.tmp
830         @rm -f $(obj)spl/u-boot-spl{,-pad}.ais
831
832 mrproper \
833 distclean:      clobber unconfig
834 ifneq ($(OBJTREE),$(SRCTREE))
835         rm -rf $(obj)*
836 endif
837
838 backup:
839         F=`basename $(TOPDIR)` ; cd .. ; \
840         gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
841
842 #########################################################################