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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 =
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 := $(O)
92 endif
93 endif
94
95 # Call a source code checker (by default, "sparse") as part of the
96 # C compilation.
97 #
98 # Use 'make C=1' to enable checking of re-compiled files.
99 #
100 # See the linux kernel file "Documentation/sparse.txt" for more details,
101 # including where to get the "sparse" utility.
102
103 ifdef C
104 ifeq ("$(origin C)", "command line")
105 CHECKSRC := $(C)
106 endif
107 endif
108 ifndef CHECKSRC
109   CHECKSRC = 0
110 endif
111 export CHECKSRC
112
113 ifneq ($(BUILD_DIR),)
114 saved-output := $(BUILD_DIR)
115
116 # Attempt to create a output directory.
117 $(shell [ -d ${BUILD_DIR} ] || mkdir -p ${BUILD_DIR})
118
119 # Verify if it was successful.
120 BUILD_DIR := $(shell cd $(BUILD_DIR) && /bin/pwd)
121 $(if $(BUILD_DIR),,$(error output directory "$(saved-output)" does not exist))
122 endif # ifneq ($(BUILD_DIR),)
123
124 OBJTREE         := $(if $(BUILD_DIR),$(BUILD_DIR),$(CURDIR))
125 SPLTREE         := $(OBJTREE)/spl
126 SRCTREE         := $(CURDIR)
127 TOPDIR          := $(SRCTREE)
128 LNDIR           := $(OBJTREE)
129 export  TOPDIR SRCTREE OBJTREE SPLTREE
130
131 MKCONFIG        := $(SRCTREE)/mkconfig
132 export MKCONFIG
133
134 ifneq ($(OBJTREE),$(SRCTREE))
135 REMOTE_BUILD    := 1
136 export REMOTE_BUILD
137 endif
138
139 # $(obj) and (src) are defined in config.mk but here in main Makefile
140 # we also need them before config.mk is included which is the case for
141 # some targets like unconfig, clean, clobber, distclean, etc.
142 ifneq ($(OBJTREE),$(SRCTREE))
143 obj := $(OBJTREE)/
144 src := $(SRCTREE)/
145 else
146 obj :=
147 src :=
148 endif
149 export obj src
150
151 # Make sure CDPATH settings don't interfere
152 unexport CDPATH
153
154 #########################################################################
155
156 # The "tools" are needed early, so put this first
157 # Don't include stuff already done in $(LIBS)
158 # The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC
159 # is "yes"), so compile examples after U-Boot is compiled.
160 SUBDIR_TOOLS = tools
161 SUBDIR_EXAMPLES = examples/standalone examples/api
162 SUBDIRS = $(SUBDIR_TOOLS)
163
164 .PHONY : $(SUBDIRS) $(VERSION_FILE) $(TIMESTAMP_FILE)
165
166 ifeq ($(obj)include/config.mk,$(wildcard $(obj)include/config.mk))
167
168 # Include autoconf.mk before config.mk so that the config options are available
169 # to all top level build files.  We need the dummy all: target to prevent the
170 # dependency target in autoconf.mk.dep from being the default.
171 all:
172 sinclude $(obj)include/autoconf.mk.dep
173 sinclude $(obj)include/autoconf.mk
174
175 ifndef CONFIG_SANDBOX
176 SUBDIRS += $(SUBDIR_EXAMPLES)
177 endif
178
179 # load ARCH, BOARD, and CPU configuration
180 include $(obj)include/config.mk
181 export  ARCH CPU BOARD VENDOR SOC
182
183 # set default to nothing for native builds
184 ifeq ($(HOSTARCH),$(ARCH))
185 CROSS_COMPILE ?=
186 endif
187
188 # load other configuration
189 include $(TOPDIR)/config.mk
190
191 # If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
192 # that (or fail if absent).  Otherwise, search for a linker script in a
193 # standard location.
194
195 LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT))
196
197 ifndef LDSCRIPT
198         #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
199         ifdef CONFIG_SYS_LDSCRIPT
200                 # need to strip off double quotes
201                 LDSCRIPT := $(subst ",,$(CONFIG_SYS_LDSCRIPT))
202         endif
203 endif
204
205 # If there is no specified link script, we look in a number of places for it
206 ifndef LDSCRIPT
207         ifeq ($(CONFIG_NAND_U_BOOT),y)
208                 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds
209                 ifeq ($(wildcard $(LDSCRIPT)),)
210                         LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds
211                 endif
212         endif
213         ifeq ($(wildcard $(LDSCRIPT)),)
214                 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds
215         endif
216         ifeq ($(wildcard $(LDSCRIPT)),)
217                 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds
218         endif
219         ifeq ($(wildcard $(LDSCRIPT)),)
220                 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds
221                 # We don't expect a Makefile here
222                 LDSCRIPT_MAKEFILE_DIR =
223         endif
224         ifeq ($(wildcard $(LDSCRIPT)),)
225 $(error could not find linker script)
226         endif
227 endif
228
229 #########################################################################
230 # U-Boot objects....order is important (i.e. start must be first)
231
232 OBJS  = $(CPUDIR)/start.o
233 ifeq ($(CPU),x86)
234 OBJS += $(CPUDIR)/start16.o
235 OBJS += $(CPUDIR)/resetvec.o
236 endif
237 ifeq ($(CPU),ppc4xx)
238 OBJS += $(CPUDIR)/resetvec.o
239 endif
240 ifeq ($(CPU),mpc85xx)
241 OBJS += $(CPUDIR)/resetvec.o
242 endif
243
244 OBJS := $(addprefix $(obj),$(OBJS))
245
246 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n)
247
248 LIBS-y += lib/libgeneric.o
249 LIBS-y += lib/lzma/liblzma.o
250 LIBS-y += lib/lzo/liblzo.o
251 LIBS-y += lib/zlib/libz.o
252 LIBS-$(CONFIG_TIZEN) += lib/tizen/libtizen.o
253 LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/lib$(VENDOR).o
254 LIBS-y += $(CPUDIR)/lib$(CPU).o
255 ifdef SOC
256 LIBS-y += $(CPUDIR)/$(SOC)/lib$(SOC).o
257 endif
258 ifeq ($(CPU),ixp)
259 LIBS-y += drivers/net/npe/libnpe.o
260 endif
261 LIBS-$(CONFIG_OF_EMBED) += dts/libdts.o
262 LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o
263 LIBS-y += fs/cbfs/libcbfs.o \
264         fs/cramfs/libcramfs.o \
265         fs/ext4/libext4fs.o \
266         fs/fat/libfat.o \
267         fs/fdos/libfdos.o \
268         fs/jffs2/libjffs2.o \
269         fs/reiserfs/libreiserfs.o \
270         fs/ubifs/libubifs.o \
271         fs/yaffs2/libyaffs2.o \
272         fs/zfs/libzfs.o
273 LIBS-y += net/libnet.o
274 LIBS-y += disk/libdisk.o
275 LIBS-y += drivers/bios_emulator/libatibiosemu.o
276 LIBS-y += drivers/block/libblock.o
277 LIBS-$(CONFIG_BOOTCOUNT_LIMIT) += drivers/bootcount/libbootcount.o
278 LIBS-y += drivers/dma/libdma.o
279 LIBS-y += drivers/fpga/libfpga.o
280 LIBS-y += drivers/gpio/libgpio.o
281 LIBS-y += drivers/hwmon/libhwmon.o
282 LIBS-y += drivers/i2c/libi2c.o
283 LIBS-y += drivers/input/libinput.o
284 LIBS-y += drivers/misc/libmisc.o
285 LIBS-y += drivers/mmc/libmmc.o
286 LIBS-y += drivers/mtd/libmtd.o
287 LIBS-y += drivers/mtd/nand/libnand.o
288 LIBS-y += drivers/mtd/onenand/libonenand.o
289 LIBS-y += drivers/mtd/ubi/libubi.o
290 LIBS-y += drivers/mtd/spi/libspi_flash.o
291 LIBS-y += drivers/net/libnet.o
292 LIBS-y += drivers/net/phy/libphy.o
293 LIBS-y += drivers/pci/libpci.o
294 LIBS-y += drivers/pcmcia/libpcmcia.o
295 LIBS-y += drivers/power/libpower.o
296 LIBS-y += drivers/spi/libspi.o
297 LIBS-y += drivers/dfu/libdfu.o
298 ifeq ($(CPU),mpc83xx)
299 LIBS-y += drivers/qe/libqe.o
300 LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
301 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
302 endif
303 ifeq ($(CPU),mpc85xx)
304 LIBS-y += drivers/qe/libqe.o
305 LIBS-y += drivers/net/fm/libfm.o
306 LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
307 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
308 endif
309 ifeq ($(CPU),mpc86xx)
310 LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
311 LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
312 endif
313 LIBS-y += drivers/rtc/librtc.o
314 LIBS-y += drivers/serial/libserial.o
315 LIBS-$(CONFIG_GENERIC_LPC_TPM) += drivers/tpm/libtpm.o
316 LIBS-y += drivers/twserial/libtws.o
317 LIBS-y += drivers/usb/eth/libusb_eth.o
318 LIBS-y += drivers/usb/gadget/libusb_gadget.o
319 LIBS-y += drivers/usb/host/libusb_host.o
320 LIBS-y += drivers/usb/musb/libusb_musb.o
321 LIBS-y += drivers/usb/phy/libusb_phy.o
322 LIBS-y += drivers/usb/ulpi/libusb_ulpi.o
323 LIBS-y += drivers/video/libvideo.o
324 LIBS-y += drivers/watchdog/libwatchdog.o
325 LIBS-y += common/libcommon.o
326 LIBS-y += lib/libfdt/libfdt.o
327 LIBS-y += api/libapi.o
328 LIBS-y += post/libpost.o
329 LIBS-y += test/libtest.o
330
331 ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX),)
332 LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
333 endif
334
335 ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
336 LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
337 endif
338
339 ifeq ($(SOC),s5pc1xx)
340 LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
341 endif
342 ifeq ($(SOC),exynos)
343 LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
344 endif
345 ifeq ($(SOC),tegra20)
346 LIBS-y += arch/$(ARCH)/cpu/$(SOC)-common/lib$(SOC)-common.o
347 LIBS-y += arch/$(ARCH)/cpu/tegra-common/libcputegra-common.o
348 LIBS-y += $(CPUDIR)/tegra-common/libtegra-common.o
349 endif
350
351 LIBS := $(addprefix $(obj),$(sort $(LIBS-y)))
352 .PHONY : $(LIBS)
353
354 LIBBOARD = board/$(BOARDDIR)/lib$(BOARD).o
355 LIBBOARD := $(addprefix $(obj),$(LIBBOARD))
356
357 # Add GCC lib
358 ifdef USE_PRIVATE_LIBGCC
359 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
360 PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o
361 else
362 PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc
363 endif
364 else
365 PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
366 endif
367 PLATFORM_LIBS += $(PLATFORM_LIBGCC)
368 export PLATFORM_LIBS
369
370 # Special flags for CPP when processing the linker script.
371 # Pass the version down so we can handle backwards compatibility
372 # on the fly.
373 LDPPFLAGS += \
374         -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
375         -DCPUDIR=$(CPUDIR) \
376         $(shell $(LD) --version | \
377           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
378
379 __OBJS := $(subst $(obj),,$(OBJS))
380 __LIBS := $(subst $(obj),,$(LIBS)) $(subst $(obj),,$(LIBBOARD))
381
382 #########################################################################
383 #########################################################################
384
385 ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
386 BOARD_SIZE_CHECK = \
387         @actual=`wc -c $@ | awk '{print $$1}'`; \
388         limit=$(CONFIG_BOARD_SIZE_LIMIT); \
389         if test $$actual -gt $$limit; then \
390                 echo "$@ exceeds file size limit:"; \
391                 echo "  limit:  $$limit bytes"; \
392                 echo "  actual: $$actual bytes"; \
393                 echo "  excess: $$((actual - limit)) bytes"; \
394                 exit 1; \
395         fi
396 else
397 BOARD_SIZE_CHECK =
398 endif
399
400 # Always append ALL so that arch config.mk's can add custom ones
401 ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map
402
403 ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin
404 ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin
405 ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin
406 ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin
407
408 # enable combined SPL/u-boot/dtb rules for tegra
409 ifeq ($(SOC),tegra20)
410 ifeq ($(CONFIG_OF_SEPARATE),y)
411 ALL-y += $(obj)u-boot-dtb-tegra.bin
412 else
413 ALL-y += $(obj)u-boot-nodtb-tegra.bin
414 endif
415 endif
416
417 all:            $(ALL-y) $(SUBDIR_EXAMPLES)
418
419 $(obj)u-boot.dtb:       $(obj)u-boot
420                 $(MAKE) -C dts binary
421                 mv $(obj)dts/dt.dtb $@
422
423 $(obj)u-boot-dtb.bin:   $(obj)u-boot.bin $(obj)u-boot.dtb
424                 cat $^ >$@
425
426 $(obj)u-boot.hex:       $(obj)u-boot
427                 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
428
429 $(obj)u-boot.srec:      $(obj)u-boot
430                 $(OBJCOPY) -O srec $< $@
431
432 $(obj)u-boot.bin:       $(obj)u-boot
433                 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
434                 $(BOARD_SIZE_CHECK)
435
436 $(obj)u-boot.ldr:       $(obj)u-boot
437                 $(CREATE_LDR_ENV)
438                 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
439                 $(BOARD_SIZE_CHECK)
440
441 $(obj)u-boot.ldr.hex:   $(obj)u-boot.ldr
442                 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary
443
444 $(obj)u-boot.ldr.srec:  $(obj)u-boot.ldr
445                 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary
446
447 $(obj)u-boot.img:       $(obj)u-boot.bin
448                 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
449                 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) -e 0 \
450                 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \
451                         sed -e 's/"[     ]*$$/ for $(BOARD) board"/') \
452                 -d $< $@
453
454 $(obj)u-boot.imx:       $(obj)u-boot.bin
455                 $(obj)tools/mkimage -n  $(CONFIG_IMX_CONFIG) -T imximage \
456                 -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
457
458 $(obj)u-boot.kwb:       $(obj)u-boot.bin
459                 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
460                 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
461
462 $(obj)u-boot.pbl:       $(obj)u-boot.bin
463                 $(obj)tools/mkimage -n $(CONFIG_PBLRCW_CONFIG) \
464                 -R $(CONFIG_PBLPBI_CONFIG) -T pblimage \
465                 -d $< $@
466
467 $(obj)u-boot.sha1:      $(obj)u-boot.bin
468                 $(obj)tools/ubsha1 $(obj)u-boot.bin
469
470 $(obj)u-boot.dis:       $(obj)u-boot
471                 $(OBJDUMP) -d $< > $@
472
473 $(obj)u-boot.ubl:       $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
474                 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(PAD_TO) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
475                 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $(obj)u-boot-ubl.bin
476                 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \
477                 -e $(CONFIG_SYS_TEXT_BASE) -d $(obj)u-boot-ubl.bin $(obj)u-boot.ubl
478                 rm $(obj)u-boot-ubl.bin
479                 rm $(obj)spl/u-boot-spl-pad.bin
480
481 $(obj)u-boot.ais:       $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
482                 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \
483                         -T aisimage \
484                         -e $(CONFIG_SPL_TEXT_BASE) \
485                         -d $(obj)spl/u-boot-spl.bin \
486                         $(obj)spl/u-boot-spl.ais
487                 $(OBJCOPY) ${OBJCFLAGS} -I binary \
488                         --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \
489                         $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais
490                 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \
491                         $(obj)u-boot.ais
492
493 # Specify the target for use in elftosb call
494 ELFTOSB_TARGET-$(CONFIG_MX28) = imx28
495
496 $(obj)u-boot.sb:       $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin
497                 elftosb -zdf $(ELFTOSB_TARGET-y) -c $(TOPDIR)/$(CPUDIR)/$(SOC)/u-boot-$(ELFTOSB_TARGET-y).bd \
498                         -o $(obj)u-boot.sb
499
500 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
501 # Both images are created using mkimage (crc etc), so that the ROM
502 # bootloader can check its integrity. Padding needs to be done to the
503 # SPL image (with mkimage header) and not the binary. Otherwise the resulting image
504 # which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
505 # The resulting image containing both U-Boot images is called u-boot.spr
506 $(obj)u-boot.spr:       $(obj)u-boot.img $(obj)spl/u-boot-spl.bin
507                 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
508                 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \
509                 -d $(obj)spl/u-boot-spl.bin $(obj)spl/u-boot-spl.img
510                 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_SPL_PAD_TO) \
511                         of=$(obj)spl/u-boot-spl-pad.img 2>/dev/null
512                 dd if=$(obj)spl/u-boot-spl.img of=$(obj)spl/u-boot-spl-pad.img \
513                         conv=notrunc 2>/dev/null
514                 cat $(obj)spl/u-boot-spl-pad.img $(obj)u-boot.img > $@
515
516 ifeq ($(SOC),tegra20)
517 ifeq ($(CONFIG_OF_SEPARATE),y)
518 $(obj)u-boot-dtb-tegra.bin:     $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin $(obj)u-boot.dtb
519                 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
520                 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin $(obj)u-boot.dtb > $@
521                 rm $(obj)spl/u-boot-spl-pad.bin
522 else
523 $(obj)u-boot-nodtb-tegra.bin:   $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
524                 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
525                 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@
526                 rm $(obj)spl/u-boot-spl-pad.bin
527 endif
528 endif
529
530 ifeq ($(CONFIG_SANDBOX),y)
531 GEN_UBOOT = \
532                 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \
533                         -Wl,--start-group $(__LIBS) -Wl,--end-group \
534                         $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot
535 else
536 GEN_UBOOT = \
537                 UNDEF_LST=`$(OBJDUMP) -x $(LIBBOARD) $(LIBS) | \
538                 sed  -n -e 's/.*\($(SYM_PREFIX)_u_boot_list_.*\)/-u\1/p'|sort|uniq`;\
539                 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
540                         $$UNDEF_LST $(__OBJS) \
541                         --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
542                         -Map u-boot.map -o u-boot
543 endif
544
545 $(obj)u-boot:   depend \
546                 $(SUBDIR_TOOLS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds
547                 $(GEN_UBOOT)
548 ifeq ($(CONFIG_KALLSYMS),y)
549                 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \
550                         awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
551                 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \
552                         -c common/system_map.c -o $(obj)common/system_map.o
553                 $(GEN_UBOOT) $(obj)common/system_map.o
554 endif
555
556 $(OBJS):        depend
557                 $(MAKE) -C $(CPUDIR) $(if $(REMOTE_BUILD),$@,$(notdir $@))
558
559 $(LIBS):        depend $(SUBDIR_TOOLS)
560                 $(MAKE) -C $(dir $(subst $(obj),,$@))
561
562 $(LIBBOARD):    depend $(LIBS)
563                 $(MAKE) -C $(dir $(subst $(obj),,$@))
564
565 $(SUBDIRS):     depend
566                 $(MAKE) -C $@ all
567
568 $(SUBDIR_EXAMPLES): $(obj)u-boot
569
570 $(LDSCRIPT):    depend
571                 $(MAKE) -C $(dir $@) $(notdir $@)
572
573 # The following line expands into whole rule which generates u-boot.lst,
574 # the file containing u-boots LG-array linker section. This is included into
575 # $(LDSCRIPT). The function make_u_boot_list is defined in helper.mk file.
576 $(eval $(call make_u_boot_list, $(obj)include/u-boot.lst, $(LIBBOARD) $(LIBS)))
577 $(obj)u-boot.lds: $(LDSCRIPT) $(obj)include/u-boot.lst
578                 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@
579
580 nand_spl:       $(TIMESTAMP_FILE) $(VERSION_FILE) depend
581                 $(MAKE) -C nand_spl/board/$(BOARDDIR) all
582
583 $(obj)u-boot-nand.bin:  nand_spl $(obj)u-boot.bin
584                 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin
585
586 $(obj)spl/u-boot-spl.bin:       $(SUBDIR_TOOLS) depend
587                 $(MAKE) -C spl all
588
589 updater:
590                 $(MAKE) -C tools/updater all
591
592 # Explicitly make _depend in subdirs containing multiple targets to prevent
593 # parallel sub-makes creating .depend files simultaneously.
594 depend dep:     $(TIMESTAMP_FILE) $(VERSION_FILE) \
595                 $(obj)include/autoconf.mk \
596                 $(obj)include/generated/generic-asm-offsets.h \
597                 $(obj)include/generated/asm-offsets.h
598                 for dir in $(SUBDIRS) $(CPUDIR) $(LDSCRIPT_MAKEFILE_DIR) ; do \
599                         $(MAKE) -C $$dir _depend ; done
600
601 TAG_SUBDIRS = $(SUBDIRS)
602 TAG_SUBDIRS += $(dir $(__LIBS))
603 TAG_SUBDIRS += include
604
605 FIND := find
606 FINDFLAGS := -L
607
608 checkstack:
609                 $(CROSS_COMPILE)objdump -d $(obj)u-boot \
610                         `$(FIND) $(obj) -name u-boot-spl -print` | \
611                         perl $(src)tools/checkstack.pl $(ARCH)
612
613 tags ctags:
614                 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
615                                                 -name '*.[chS]' -print`
616
617 etags:
618                 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
619                                                 -name '*.[chS]' -print`
620 cscope:
621                 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \
622                                                 cscope.files
623                 cscope -b -q -k
624
625 SYSTEM_MAP = \
626                 $(NM) $1 | \
627                 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
628                 LC_ALL=C sort
629 $(obj)System.map:       $(obj)u-boot
630                 @$(call SYSTEM_MAP,$<) > $(obj)System.map
631
632 checkthumb:
633         @if test $(call cc-version) -lt 0404; then \
634                 echo -n '*** Your GCC does not produce working '; \
635                 echo 'binaries in THUMB mode.'; \
636                 echo '*** Your board is configured for THUMB mode.'; \
637                 false; \
638         fi
639 #
640 # Auto-generate the autoconf.mk file (which is included by all makefiles)
641 #
642 # This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
643 # the dep file is only include in this top level makefile to determine when
644 # to regenerate the autoconf.mk file.
645 $(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h
646         @$(XECHO) Generating $@ ; \
647         set -e ; \
648         : Generate the dependancies ; \
649         $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \
650                 -MQ $(obj)include/autoconf.mk include/common.h > $@
651
652 $(obj)include/autoconf.mk: $(obj)include/config.h
653         @$(XECHO) Generating $@ ; \
654         set -e ; \
655         : Extract the config macros ; \
656         $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h | \
657                 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
658         mv $@.tmp $@
659
660 $(obj)include/generated/generic-asm-offsets.h:  $(obj)include/autoconf.mk.dep \
661         $(obj)lib/asm-offsets.s
662         @$(XECHO) Generating $@
663         tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@
664
665 $(obj)lib/asm-offsets.s:        $(obj)include/autoconf.mk.dep \
666         $(src)lib/asm-offsets.c
667         @mkdir -p $(obj)lib
668         $(CC) -DDO_DEPS_ONLY \
669                 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
670                 -o $@ $(src)lib/asm-offsets.c -c -S
671
672 $(obj)include/generated/asm-offsets.h:  $(obj)include/autoconf.mk.dep \
673         $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
674         @$(XECHO) Generating $@
675         tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@
676
677 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s:   $(obj)include/autoconf.mk.dep
678         @mkdir -p $(obj)$(CPUDIR)/$(SOC)
679         if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \
680                 $(CC) -DDO_DEPS_ONLY \
681                 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
682                         -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \
683         else \
684                 touch $@; \
685         fi
686
687 #########################################################################
688 else    # !config.mk
689 all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \
690 $(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \
691 $(filter-out tools,$(SUBDIRS)) \
692 updater depend dep tags ctags etags cscope $(obj)System.map:
693         @echo "System not configured - see README" >&2
694         @ exit 1
695
696 tools: $(VERSION_FILE) $(TIMESTAMP_FILE)
697         $(MAKE) -C $@ all
698 endif   # config.mk
699
700 $(VERSION_FILE):
701                 @mkdir -p $(dir $(VERSION_FILE))
702                 @( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \
703                    printf '#define PLAIN_VERSION "%s%s"\n' \
704                         "$(U_BOOT_VERSION)" "$${localvers}" ; \
705                    printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \
706                         "$(U_BOOT_VERSION)" "$${localvers}" ; \
707                 ) > $@.tmp
708                 @( printf '#define CC_VERSION_STRING "%s"\n' \
709                  '$(shell $(CC) --version | head -n 1)' )>>  $@.tmp
710                 @( printf '#define LD_VERSION_STRING "%s"\n' \
711                  '$(shell $(LD) -v | head -n 1)' )>>  $@.tmp
712                 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
713
714 $(TIMESTAMP_FILE):
715                 @mkdir -p $(dir $(TIMESTAMP_FILE))
716                 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp
717                 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp
718                 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
719
720 easylogo env gdb:
721         $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION}
722 gdbtools: gdb
723
724 xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc
725         $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@
726
727 tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE)
728         $(MAKE) -C tools HOST_TOOLS_ALL=y
729
730 .PHONY : CHANGELOG
731 CHANGELOG:
732         git log --no-merges U-Boot-1_1_5.. | \
733         unexpand -a | sed -e 's/\s\s*$$//' > $@
734
735 include/license.h: tools/bin2header COPYING
736         cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h
737 #########################################################################
738
739 unconfig:
740         @rm -f $(obj)include/config.h $(obj)include/config.mk \
741                 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \
742                 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep
743
744 %_config::      unconfig
745         @$(MKCONFIG) -A $(@:_config=)
746
747 sinclude $(obj).boards.depend
748 $(obj).boards.depend:   boards.cfg
749         @awk '(NF && $$1 !~ /^#/) { print $$1 ": " $$1 "_config; $$(MAKE)" }' $< > $@
750
751 #
752 # Functions to generate common board directory names
753 #
754 lcname  = $(shell echo $(1) | sed -e 's/\(.*\)_config/\L\1/')
755 ucname  = $(shell echo $(1) | sed -e 's/\(.*\)_config/\U\1/')
756
757 #========================================================================
758 # ARM
759 #========================================================================
760
761 SX1_stdout_serial_config \
762 SX1_config:             unconfig
763         @mkdir -p $(obj)include
764         @if [ "$(findstring _stdout_serial_, $@)" ] ; then \
765                 echo "#undef CONFIG_STDOUT_USBTTY" >> $(obj)include/config.h ; \
766         else \
767                 echo "#define CONFIG_STDOUT_USBTTY" >> $(obj)include/config.h ; \
768         fi;
769         @$(MKCONFIG) -n $@ SX1 arm arm925t sx1
770
771 #########################################################################
772 ## ARM1176 Systems
773 #########################################################################
774 smdk6400_noUSB_config   \
775 smdk6400_config :       unconfig
776         @mkdir -p $(obj)include $(obj)board/samsung/smdk6400
777         @mkdir -p $(obj)nand_spl/board/samsung/smdk6400
778         @echo "#define CONFIG_NAND_U_BOOT" > $(obj)include/config.h
779         @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
780         @if [ -z "$(findstring smdk6400_noUSB_config,$@)" ]; then                       \
781                 echo "RAM_TEXT = 0x57e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\
782         else                                                                            \
783                 echo "RAM_TEXT = 0xc7e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\
784         fi
785         @$(MKCONFIG) smdk6400 arm arm1176 smdk6400 samsung s3c64xx
786         @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
787
788 #########################################################################
789 #########################################################################
790
791 clean:
792         @rm -f $(obj)examples/standalone/82559_eeprom                     \
793                $(obj)examples/standalone/atmel_df_pow2                    \
794                $(obj)examples/standalone/eepro100_eeprom                  \
795                $(obj)examples/standalone/hello_world                      \
796                $(obj)examples/standalone/interrupt                        \
797                $(obj)examples/standalone/mem_to_mem_idma2intr             \
798                $(obj)examples/standalone/sched                            \
799                $(obj)examples/standalone/smc911{11,x}_eeprom              \
800                $(obj)examples/standalone/test_burst                       \
801                $(obj)examples/standalone/timer
802         @rm -f $(obj)examples/api/demo{,.bin}
803         @rm -f $(obj)tools/bmp_logo        $(obj)tools/easylogo/easylogo  \
804                $(obj)tools/env/{fw_printenv,fw_setenv}                    \
805                $(obj)tools/envcrc                                         \
806                $(obj)tools/gdb/{astest,gdbcont,gdbsend}                   \
807                $(obj)tools/gen_eth_addr    $(obj)tools/img2srec           \
808                $(obj)tools/mk{env,}image   $(obj)tools/mpc86x_clk         \
809                $(obj)tools/mk{smdk5250,}spl                               \
810                $(obj)tools/mxsboot                                        \
811                $(obj)tools/ncb             $(obj)tools/ubsha1             \
812                $(obj)tools/kernel-doc/docproc
813         @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image}        \
814                $(obj)board/matrix_vision/*/bootscript.img                 \
815                $(obj)board/voiceblue/eeprom                               \
816                $(obj)u-boot.lds                                           \
817                $(obj)include/u-boot.lst                                   \
818                $(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs]          \
819                $(obj)arch/blackfin/cpu/init.{lds,elf}
820         @rm -f $(obj)include/bmp_logo.h
821         @rm -f $(obj)include/bmp_logo_data.h
822         @rm -f $(obj)lib/asm-offsets.s
823         @rm -f $(obj)include/generated/asm-offsets.h
824         @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
825         @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE)
826         @$(MAKE) -C doc/DocBook/ cleandocs
827         @find $(OBJTREE) -type f \
828                 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \
829                 -o -name '*.o'  -o -name '*.a' -o -name '*.exe' \) -print \
830                 | xargs rm -f
831
832 # Removes everything not needed for testing u-boot
833 tidy:   clean
834         @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f
835
836 clobber:        tidy
837         @find $(OBJTREE) -type f \( -name '*.srec' \
838                 -o -name '*.bin' -o -name u-boot.img \) \
839                 -print0 | xargs -0 rm -f
840         @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \
841                 $(obj)cscope.* $(obj)*.*~
842         @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y)
843         @rm -f $(obj)u-boot.kwb
844         @rm -f $(obj)u-boot.pbl
845         @rm -f $(obj)u-boot.imx
846         @rm -f $(obj)u-boot.ubl
847         @rm -f $(obj)u-boot.ais
848         @rm -f $(obj)u-boot.dtb
849         @rm -f $(obj)u-boot.sb
850         @rm -f $(obj)u-boot.spr
851         @rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map}
852         @rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map}
853         @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map}
854         @rm -f $(obj)spl/{u-boot-spl.lds,u-boot.lst}
855         @rm -f $(obj)MLO
856         @rm -f $(obj)tools/xway-swap-bytes
857         @rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c
858         @rm -f $(obj)arch/powerpc/cpu/mpc83xx/ddr-gen?.c
859         @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
860         @rm -fr $(obj)include/generated
861         @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f
862         @rm -f $(obj)dts/*.tmp
863         @rm -f $(obj)spl/u-boot-spl{,-pad}.ais
864
865 mrproper \
866 distclean:      clobber unconfig
867 ifneq ($(OBJTREE),$(SRCTREE))
868         rm -rf $(obj)*
869 endif
870
871 backup:
872         F=`basename $(TOPDIR)` ; cd .. ; \
873         gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
874
875 #########################################################################