summaryrefslogtreecommitdiff
path: root/scripts/Makefile.spl
blob: 22bd8f7c279ed6f1da6ed9c8404164c541adc2f5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
# SPDX-License-Identifier: GPL-2.0+
#
# (C) Copyright 2000-2011
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# (C) Copyright 2011
# Daniel Schwierzeck, daniel.schwierzeck@googlemail.com.
#
# (C) Copyright 2011
# Texas Instruments Incorporated - http://www.ti.com/
# Aneesh V <aneesh@ti.com>
# Based on top-level Makefile.
#

src := $(obj)

# Create output directory if not already present
_dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj))

include $(srctree)/scripts/Kbuild.include

-include include/config/auto.conf
-include $(obj)/include/autoconf.mk

KBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD
ifeq ($(CONFIG_TPL_BUILD),y)
KBUILD_CPPFLAGS += -DCONFIG_TPL_BUILD
endif

ifeq ($(CONFIG_TPL_BUILD),y)
SPL_BIN := u-boot-tpl
else
SPL_BIN := u-boot-spl
endif

ifdef CONFIG_SPL_BUILD
SPL_ := SPL_
ifeq ($(CONFIG_TPL_BUILD),y)
SPL_TPL_ := TPL_
else
SPL_TPL_ := SPL_
endif
else
SPL_ :=
SPL_TPL_ :=
endif

ifeq ($(obj)$(CONFIG_SUPPORT_SPL),spl)
$(error You cannot build SPL without enabling CONFIG_SUPPORT_SPL)
endif
ifeq ($(obj)$(CONFIG_SUPPORT_TPL),tpl)
$(error You cannot build TPL without enabling CONFIG_SUPPORT_TPL)
endif

include $(srctree)/config.mk
include $(srctree)/arch/$(ARCH)/Makefile

include $(srctree)/scripts/Makefile.lib

# Enable garbage collection of un-used sections for SPL
KBUILD_CFLAGS += -ffunction-sections -fdata-sections
LDFLAGS_FINAL += --gc-sections

# FIX ME
cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \
							$(NOSTDINC_FLAGS)
c_flags := $(KBUILD_CFLAGS) $(cpp_flags)

HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)

libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/)
libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/

libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/
libs-y += common/init/

# Special handling for a few options which support SPL/TPL
ifeq ($(CONFIG_TPL_BUILD),y)
libs-$(CONFIG_TPL_LIBCOMMON_SUPPORT) += common/ cmd/ env/
libs-$(CONFIG_TPL_LIBGENERIC_SUPPORT) += lib/
else
libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ cmd/ env/
libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
endif

libs-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/
libs-y += drivers/
libs-$(CONFIG_SPL_USB_GADGET_SUPPORT) += drivers/usb/dwc3/
libs-y += dts/
libs-y += fs/
libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
libs-$(CONFIG_SPL_NET_SUPPORT) += net/

head-y		:= $(addprefix $(obj)/,$(head-y))
libs-y		:= $(addprefix $(obj)/,$(libs-y))
u-boot-spl-dirs	:= $(patsubst %/,%,$(filter %/, $(libs-y)))

libs-y := $(patsubst %/, %/built-in.o, $(libs-y))

# Add GCC lib
ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
PLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
endif

u-boot-spl-init := $(head-y)
u-boot-spl-main := $(libs-y)
ifdef CONFIG_$(SPL_TPL_)OF_PLATDATA
u-boot-spl-platdata := $(obj)/dts/dt-platdata.o
endif

# Linker Script
# First test whether there's a linker-script for the specific stage defined...
ifneq ($(CONFIG_$(SPL_TPL_)LDSCRIPT),)
# need to strip off double quotes
LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_$(SPL_TPL_)LDSCRIPT:"%"=%))
else
# ...then fall back to the generic SPL linker-script
ifneq ($(CONFIG_SPL_LDSCRIPT),)
# need to strip off double quotes
LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
endif
endif

ifeq ($(wildcard $(LDSCRIPT)),)
	LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds
endif
ifeq ($(wildcard $(LDSCRIPT)),)
	LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds
endif
ifeq ($(wildcard $(LDSCRIPT)),)
	LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds
endif
ifeq ($(wildcard $(LDSCRIPT)),)
$(error could not find linker script)
endif

# Special flags for CPP when processing the linker script.
# Pass the version down so we can handle backwards compatibility
# on the fly.
LDPPFLAGS += \
	-include $(srctree)/include/u-boot/u-boot.lds.h \
	-include $(objtree)/include/config.h \
	-DCPUDIR=$(CPUDIR) \
	$(shell $(LD) --version | \
	  sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')

MKIMAGEOUTPUT ?= /dev/null

quiet_cmd_mkimage = MKIMAGE $@
cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
	>$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT))

quiet_cmd_mkfitimage = MKIMAGE $@
cmd_mkfitimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -f $(SPL_ITS) -E $@ \
	$(if $(KBUILD_VERBOSE:1=), MKIMAGEOUTPUT)

MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE)

MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE)

MLO MLO.byteswap: $(obj)/u-boot-spl.bin FORCE
	$(call if_changed,mkimage)

ifeq ($(CONFIG_SYS_SOC),"at91")
MKIMAGEFLAGS_boot.bin = -T atmelimage

ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y)
MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params)

boot.bin: $(obj)/../tools/atmel_pmecc_params
endif

boot.bin: $(obj)/u-boot-spl.bin FORCE
	$(call if_changed,mkimage)
else
ifdef CONFIG_ARCH_ZYNQ
MKIMAGEFLAGS_boot.bin = -T zynqimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE)
endif
ifdef CONFIG_ARCH_ZYNQMP
ifneq ($(CONFIG_PMUFW_INIT_FILE),"")
spl/boot.bin: zynqmp-check-pmufw
zynqmp-check-pmufw: FORCE
	( cd $(srctree) && test -r $(CONFIG_PMUFW_INIT_FILE) ) \
		|| ( echo "Cannot read $(CONFIG_PMUFW_INIT_FILE)" && false )
endif
MKIMAGEFLAGS_boot.bin = -T zynqmpimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE) \
	-n "$(shell cd $(srctree); readlink -f $(CONFIG_PMUFW_INIT_FILE))"
endif

spl/boot.bin: $(obj)/u-boot-spl.bin FORCE
	$(call if_changed,mkimage)
endif

ALL-y	+= $(obj)/$(SPL_BIN).bin

ifdef CONFIG_SAMSUNG
ALL-y	+= $(obj)/$(BOARD)-spl.bin
endif

ifdef CONFIG_ARCH_SOCFPGA
ALL-y	+= $(obj)/$(SPL_BIN).sfp
endif

ifdef CONFIG_ARCH_SUNXI
ALL-y	+= $(obj)/sunxi-spl.bin

ifdef CONFIG_NAND_SUNXI
ALL-y	+= $(obj)/sunxi-spl-with-ecc.bin
endif
endif

ifeq ($(CONFIG_SYS_SOC),"at91")
ALL-y	+= boot.bin
endif

ALL-$(CONFIG_SPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-16bit-spl.bin

ALL-$(CONFIG_ARCH_ZYNQ)		+= $(obj)/boot.bin
ALL-$(CONFIG_ARCH_ZYNQMP)	+= $(obj)/boot.bin

ALL-$(CONFIG_ARCH_MEDIATEK)	+= $(obj)/u-boot-spl-mtk.bin

all:	$(ALL-y)

quiet_cmd_cat = CAT     $@
cmd_cat = cat $(filter-out $(PHONY), $^) > $@

quiet_cmd_copy = COPY    $@
      cmd_copy = cp $< $@

ifneq ($(CONFIG_SPL_MULTI_DTB_FIT),y)
FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).dtb
else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_LZO),y)
FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.lzo
else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_GZIP),y)
FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.gz
else
FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit
endif


ifeq ($(CONFIG_$(SPL_TPL_)OF_CONTROL)$(CONFIG_OF_SEPARATE)$(CONFIG_$(SPL_TPL_)OF_PLATDATA),yy)
$(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin \
		$(if $(CONFIG_SPL_SEPARATE_BSS),,$(obj)/$(SPL_BIN)-pad.bin) \
		$(FINAL_DTB_CONTAINER)  FORCE
	$(call if_changed,cat)

$(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-dtb.bin FORCE
	$(call if_changed,copy)
else
$(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-nodtb.bin FORCE
	$(call if_changed,copy)
endif

# Create a file that pads from the end of u-boot-spl-nodtb.bin to bss_end
$(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN)
	@bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \
	dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null;

$(obj)/$(SPL_BIN).dtb: dts/dt-spl.dtb FORCE
	$(call if_changed,copy)

pythonpath = PYTHONPATH=scripts/dtc/pylibfdt

quiet_cmd_dtocc = DTOC C  $@
cmd_dtocc = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ platdata

quiet_cmd_dtoch = DTOC H  $@
cmd_dtoch = $(pythonpath) $(srctree)/tools/dtoc/dtoc -d $(obj)/$(SPL_BIN).dtb -o $@ struct

quiet_cmd_plat = PLAT    $@
cmd_plat = $(CC) $(c_flags) -c $< -o $@

$(obj)/dts/dt-platdata.o: $(obj)/dts/dt-platdata.c \
		include/generated/dt-structs-gen.h
	$(call if_changed,plat)

PHONY += dts_dir
dts_dir:
	$(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts)

include/generated/dt-structs-gen.h: $(obj)/$(SPL_BIN).dtb dts_dir FORCE
	$(call if_changed,dtoch)

$(obj)/dts/dt-platdata.c: $(obj)/$(SPL_BIN).dtb dts_dir FORCE
	$(call if_changed,dtocc)

ifdef CONFIG_SAMSUNG
ifdef CONFIG_VAR_SIZE_SPL
VAR_SIZE_PARAM = --vs
else
VAR_SIZE_PARAM =
endif
$(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
	$(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
	$(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
	$(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
endif

quiet_cmd_objcopy = OBJCOPY $@
cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@

OBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary \
		$(if $(CONFIG_SPL_X86_16BIT_INIT),-R .start16 -R .resetvec)

$(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE
	$(call if_changed,objcopy)

OBJCOPYFLAGS_u-boot-x86-16bit-spl.bin := -O binary -j .start16 -j .resetvec
$(obj)/u-boot-x86-16bit-spl.bin: $(obj)/u-boot-spl FORCE
	$(call if_changed,objcopy)

LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)

# Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
LDFLAGS_$(SPL_BIN) += $(call ld-option, --no-dynamic-linker)

# First try the best-match (i.e. SPL_TEXT_BASE for SPL, TPL_TEXT_BASE for TPL)
ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),)
LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_$(SPL_TPL_)TEXT_BASE)
else
# And then fall back to just testing for SPL_TEXT_BASE, even if in TPL mode
ifneq ($(CONFIG_SPL_TEXT_BASE),)
LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE)
endif
endif

ifdef CONFIG_TARGET_SOCFPGA_ARRIA10
MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage_v1
else
MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage
endif
$(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE
	$(call if_changed,mkimage)

quiet_cmd_mksunxiboot = MKSUNXI $@
cmd_mksunxiboot = $(objtree)/tools/mksunxiboot \
			--default-dt $(CONFIG_DEFAULT_DEVICE_TREE) $< $@
$(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE
	$(call if_changed,mksunxiboot)

quiet_cmd_sunxi_spl_image_builder = SUNXI_SPL_IMAGE_BUILDER $@
cmd_sunxi_spl_image_builder = $(objtree)/tools/sunxi-spl-image-builder \
				-c $(CONFIG_NAND_SUNXI_SPL_ECC_STRENGTH)/$(CONFIG_NAND_SUNXI_SPL_ECC_SIZE) \
				-p $(CONFIG_SYS_NAND_PAGE_SIZE) \
				-o $(CONFIG_SYS_NAND_OOBSIZE) \
				-u $(CONFIG_NAND_SUNXI_SPL_USABLE_PAGE_SIZE) \
				-e $(CONFIG_SYS_NAND_BLOCK_SIZE) \
				-s -b $< $@
$(obj)/sunxi-spl-with-ecc.bin: $(obj)/sunxi-spl.bin
	$(call if_changed,sunxi_spl_image_builder)


# MediaTek's specific SPL build
MKIMAGEFLAGS_u-boot-spl-mtk.bin = -T mtk_image \
	-a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) \
	-n "$(patsubst "%",%,$(CONFIG_MTK_BROM_HEADER_INFO))"

$(obj)/u-boot-spl-mtk.bin: $(obj)/u-boot-spl.bin FORCE
	$(call if_changed,mkimage)

# Rule to link u-boot-spl
# May be overridden by arch/$(ARCH)/config.mk
quiet_cmd_u-boot-spl ?= LD      $@
      cmd_u-boot-spl ?= (cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
		       $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \
		       $(patsubst $(obj)/%,%,$(u-boot-spl-main))  \
		       $(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \
		       --end-group \
		       $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN))

$(obj)/$(SPL_BIN): $(u-boot-spl-platdata) $(u-boot-spl-init) \
		$(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE
	$(call if_changed,u-boot-spl)

$(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;

PHONY += $(u-boot-spl-dirs)
$(u-boot-spl-dirs): $(u-boot-spl-platdata)
	$(Q)$(MAKE) $(build)=$@

quiet_cmd_cpp_lds = LDS     $@
cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
		-D__ASSEMBLY__ -x assembler-with-cpp -std=c99 -P -o $@ $<

$(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
	$(call if_changed_dep,cpp_lds)

# read all saved command lines

targets := $(wildcard $(sort $(targets)))
cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))

ifneq ($(cmd_files),)
  $(cmd_files): ;	# Do not try to update included dependency files
  include $(cmd_files)
endif

PHONY += FORCE
FORCE:

PHONY += dtbs
dtbs:
	$(Q)$(MAKE) $(build)=dts dtbs

# Declare the contents of the .PHONY variable as phony.  We keep that
# information in a variable so we can use it in if_changed and friends.
.PHONY: $(PHONY)

SHRUNK_ARCH_DTB = $(patsubst %,$(obj)/dts/%.dtb,$(subst ",,$(CONFIG_SPL_OF_LIST)))
.SECONDEXPANSION:
$(SHRUNK_ARCH_DTB): $$(patsubst $(obj)/dts/%, arch/$(ARCH)/dts/%, $$@)
	$(call if_changed,fdtgrep)

MKIMAGEFLAGS_$(SPL_BIN).multidtb.fit = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
	-n "Multi DTB fit image for $(SPL_BIN)" -E \
	$(patsubst %,-b %,$(SHRUNK_ARCH_DTB))

$(obj)/$(SPL_BIN).multidtb.fit: /dev/null $(SHRUNK_ARCH_DTB) FORCE
	$(call if_changed,mkimage)
ifneq ($(SOURCE_DATE_EPOCH),)
	touch -d @$(SOURCE_DATE_EPOCH) $(obj)/$(SPL_BIN).multidtb.fit
	chmod 0600 $(obj)/$(SPL_BIN).multidtb.fit
endif

$(obj)/$(SPL_BIN).multidtb.fit.gz: $(obj)/$(SPL_BIN).multidtb.fit
	@gzip -kf9 $< > $@

$(obj)/$(SPL_BIN).multidtb.fit.lzo: $(obj)/$(SPL_BIN).multidtb.fit
	@lzop -f9 $< > $@

ifdef CONFIG_ARCH_K3
tispl.bin: $(obj)/u-boot-spl-nodtb.bin $(SHRUNK_ARCH_DTB) $(SPL_ITS) FORCE
	$(call if_changed,mkfitimage)
endif