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6a11cf48 DS |
1 | # |
2 | # (C) Copyright 2000-2011 | |
3 | # Wolfgang Denk, DENX Software Engineering, [email protected]. | |
4 | # | |
5 | # (C) Copyright 2011 | |
6 | # Daniel Schwierzeck, [email protected]. | |
7 | # | |
8 | # (C) Copyright 2011 | |
9 | # Texas Instruments Incorporated - http://www.ti.com/ | |
10 | # Aneesh V <[email protected]> | |
11 | # | |
1a459660 | 12 | # SPDX-License-Identifier: GPL-2.0+ |
6a11cf48 DS |
13 | # |
14 | # Based on top-level Makefile. | |
15 | # | |
16 | ||
9e414032 MY |
17 | src := $(obj) |
18 | ||
19 | # Create output directory if not already present | |
20 | _dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj)) | |
21 | ||
bf4b3de1 MY |
22 | include $(srctree)/scripts/Kbuild.include |
23 | ||
6a11cf48 DS |
24 | CONFIG_SPL_BUILD := y |
25 | export CONFIG_SPL_BUILD | |
26 | ||
e0d5d9f8 MY |
27 | KBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD |
28 | ifeq ($(CONFIG_TPL_BUILD),y) | |
29 | KBUILD_CPPFLAGS += -DCONFIG_TPL_BUILD | |
30 | endif | |
31 | ||
32 | # Enable garbage collection of un-used sections for SPL | |
33 | KBUILD_CFLAGS += -ffunction-sections -fdata-sections | |
34 | LDFLAGS_FINAL += --gc-sections | |
35 | ||
3aa29de0 YZ |
36 | ifeq ($(CONFIG_TPL_BUILD),y) |
37 | export CONFIG_TPL_BUILD | |
38 | SPL_BIN := u-boot-tpl | |
39 | else | |
40 | SPL_BIN := u-boot-spl | |
41 | endif | |
42 | ||
01072b44 MY |
43 | include include/config.mk |
44 | ||
45 | ifeq ($(CONFIG_TPL_BUILD),y) | |
46 | -include include/tpl-autoconf.mk | |
47 | else | |
48 | -include include/spl-autoconf.mk | |
49 | endif | |
50 | ||
6a11cf48 DS |
51 | include $(TOPDIR)/config.mk |
52 | ||
5fe6301a MY |
53 | # FIX ME |
54 | c_flags := $(KBUILD_CFLAGS) $(KBUILD_CPPFLAGS) $(CPPFLAGS) $(UBOOTINCLUDE) $(NOSTDINC_FLAGS) | |
55 | ||
56 | # Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL) | |
57 | quiet_cmd_autoconf = GEN $@ | |
58 | cmd_autoconf = \ | |
59 | $(CPP) $(c_flags) -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > [email protected] && \ | |
60 | sed -n -f $(srctree)/tools/scripts/define2mk.sed [email protected] > $@; \ | |
61 | rm [email protected] | |
62 | ||
63 | include/tpl-autoconf.mk: include/config.h | |
64 | $(call cmd,autoconf) | |
65 | ||
66 | include/spl-autoconf.mk: include/config.h | |
67 | $(call cmd,autoconf) | |
68 | ||
e66443fd | 69 | HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(SRCTREE)/board/$(VENDOR)/common/Makefile),y,n) |
6a11cf48 | 70 | |
08e4f700 | 71 | ifdef CONFIG_SPL_START_S_PATH |
a8c07541 | 72 | START_PATH := $(CONFIG_SPL_START_S_PATH:"%"=%) |
08e4f700 MV |
73 | else |
74 | START_PATH := $(CPUDIR) | |
75 | endif | |
76 | ||
e8a8b824 MY |
77 | head-y := $(START_PATH)/start.o |
78 | head-$(CONFIG_X86) += $(START_PATH)/start16.o $(START_PATH)/resetvec.o | |
79 | head-$(CONFIG_4xx) += $(START_PATH)/resetvec.o | |
80 | head-$(CONFIG_MPC85xx) += $(START_PATH)/resetvec.o | |
6a11cf48 | 81 | |
656de6b8 | 82 | libs-y += arch/$(ARCH)/lib/ |
510ed3b8 | 83 | |
656de6b8 | 84 | libs-y += $(CPUDIR)/ |
510ed3b8 | 85 | |
6a11cf48 | 86 | ifdef SOC |
656de6b8 MY |
87 | libs-y += $(CPUDIR)/$(SOC)/ |
88 | endif | |
89 | libs-y += board/$(BOARDDIR)/ | |
90 | libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ | |
91 | ||
92 | libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/ | |
93 | libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ | |
94 | libs-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/ | |
95 | libs-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/ | |
96 | libs-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/ | |
97 | libs-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/ | |
98 | libs-$(CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT) += drivers/ddr/fsl/ | |
99 | libs-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/ | |
100 | libs-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/ | |
101 | libs-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/ | |
102 | libs-y += fs/ | |
103 | libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/ | |
104 | libs-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/ drivers/power/pmic/ | |
105 | libs-$(if $(CONFIG_CMD_NAND),$(CONFIG_SPL_NAND_SUPPORT)) += drivers/mtd/nand/ | |
106 | libs-$(CONFIG_SPL_DRIVERS_MISC_SUPPORT) += drivers/misc/ | |
107 | libs-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/ | |
108 | libs-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/ | |
109 | libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/ | |
110 | libs-$(CONFIG_SPL_NET_SUPPORT) += net/ | |
111 | libs-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/ | |
112 | libs-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/ | |
113 | libs-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/net/phy/ | |
114 | libs-$(CONFIG_SPL_MUSB_NEW_SUPPORT) += drivers/usb/musb-new/ | |
115 | libs-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/usb/gadget/ | |
116 | libs-$(CONFIG_SPL_WATCHDOG_SUPPORT) += drivers/watchdog/ | |
117 | libs-$(CONFIG_SPL_USB_HOST_SUPPORT) += drivers/usb/host/ | |
118 | libs-$(CONFIG_OMAP_USB_PHY) += drivers/usb/phy/ | |
119 | libs-$(CONFIG_SPL_SATA_SUPPORT) += drivers/block/ | |
efcc6096 | 120 | |
ba931259 | 121 | ifneq (,$(CONFIG_MX23)$(CONFIG_MX35)$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35)) |
656de6b8 | 122 | libs-y += arch/$(ARCH)/imx-common/ |
cfb8e87a MV |
123 | endif |
124 | ||
656de6b8 MY |
125 | libs-$(CONFIG_ARM) += arch/arm/cpu/ |
126 | libs-$(CONFIG_PPC) += arch/powerpc/cpu/ | |
d9e73a87 | 127 | |
656de6b8 MY |
128 | head-y := $(addprefix $(obj)/,$(head-y)) |
129 | libs-y := $(addprefix $(obj)/,$(libs-y)) | |
130 | u-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) | |
131 | ||
132 | libs-y := $(patsubst %/, %/built-in.o, $(libs-y)) | |
e2906a59 | 133 | |
660e98f2 AM |
134 | # Add GCC lib |
135 | ifeq ("$(USE_PRIVATE_LIBGCC)", "yes") | |
6445262c MY |
136 | PLATFORM_LIBGCC = $(SPLTREE)/arch/$(ARCH)/lib/lib.a |
137 | PLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC) | |
660e98f2 AM |
138 | endif |
139 | ||
656de6b8 MY |
140 | u-boot-spl-init := $(head-y) |
141 | u-boot-spl-main := $(libs-y) | |
6a11cf48 DS |
142 | |
143 | # Linker Script | |
144 | ifdef CONFIG_SPL_LDSCRIPT | |
145 | # need to strip off double quotes | |
a8c07541 | 146 | LDSCRIPT := $(addprefix $(SRCTREE)/,$(CONFIG_SPL_LDSCRIPT:"%"=%)) |
6a11cf48 DS |
147 | endif |
148 | ||
149 | ifeq ($(wildcard $(LDSCRIPT)),) | |
150 | LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-spl.lds | |
151 | endif | |
152 | ifeq ($(wildcard $(LDSCRIPT)),) | |
153 | LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-spl.lds | |
154 | endif | |
ee60197e | 155 | ifeq ($(wildcard $(LDSCRIPT)),) |
65cdd643 | 156 | LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot-spl.lds |
ee60197e | 157 | endif |
6a11cf48 DS |
158 | ifeq ($(wildcard $(LDSCRIPT)),) |
159 | $(error could not find linker script) | |
160 | endif | |
161 | ||
162 | # Special flags for CPP when processing the linker script. | |
163 | # Pass the version down so we can handle backwards compatibility | |
164 | # on the fly. | |
165 | LDPPFLAGS += \ | |
166 | -include $(TOPDIR)/include/u-boot/u-boot.lds.h \ | |
167 | -include $(OBJTREE)/include/config.h \ | |
7e6403a6 | 168 | -DCPUDIR=$(CPUDIR) \ |
6a11cf48 DS |
169 | $(shell $(LD) --version | \ |
170 | sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') | |
171 | ||
9e414032 | 172 | $(OBJTREE)/MLO: $(obj)/u-boot-spl.bin |
3decb14a JR |
173 | $(OBJTREE)/tools/mkimage -T omapimage \ |
174 | -a $(CONFIG_SPL_TEXT_BASE) -d $< $@ | |
79b9ebb7 | 175 | |
9e414032 | 176 | $(OBJTREE)/MLO.byteswap: $(obj)/u-boot-spl.bin |
79b9ebb7 | 177 | $(OBJTREE)/tools/mkimage -T omapimage -n byteswap \ |
8a8f084e | 178 | -a $(CONFIG_SPL_TEXT_BASE) -d $< $@ |
3decb14a | 179 | |
03c7b3fc MY |
180 | $(objtree)/SPL: $(obj)/u-boot-spl.bin |
181 | $(Q)$(MAKE) $(build)=spl/arch/arm/imx-common $@ | |
a80834c0 | 182 | |
9e414032 | 183 | ALL-y += $(obj)/$(SPL_BIN).bin |
6a11cf48 | 184 | |
98a48c5d | 185 | ifdef CONFIG_SAMSUNG |
9e414032 | 186 | ALL-y += $(obj)/$(BOARD)-spl.bin |
98a48c5d CK |
187 | endif |
188 | ||
6a11cf48 DS |
189 | all: $(ALL-y) |
190 | ||
98a48c5d | 191 | ifdef CONFIG_SAMSUNG |
0fcac1ab RS |
192 | ifdef CONFIG_VAR_SIZE_SPL |
193 | VAR_SIZE_PARAM = --vs | |
194 | else | |
195 | VAR_SIZE_PARAM = | |
196 | endif | |
9e414032 | 197 | $(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin |
e183a174 MY |
198 | $(if $(wildcard $(OBJTREE)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\ |
199 | $(OBJTREE)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\ | |
940db16d | 200 | $(OBJTREE)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@ |
98a48c5d CK |
201 | endif |
202 | ||
9e414032 | 203 | $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN) |
95ddcd68 | 204 | $(OBJCOPY) $(OBJCOPYFLAGS) $(SPL_OBJCFLAGS) -O binary $< $@ |
6a11cf48 | 205 | |
9e414032 | 206 | LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL) |
e0d5d9f8 MY |
207 | ifneq ($(CONFIG_SPL_TEXT_BASE),) |
208 | LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_SPL_TEXT_BASE) | |
209 | endif | |
210 | ||
656de6b8 MY |
211 | quiet_cmd_u-boot-spl = LD $@ |
212 | cmd_u-boot-spl = cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \ | |
213 | $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \ | |
214 | $(patsubst $(obj)/%,%,$(u-boot-spl-main)) --end-group \ | |
215 | $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN) | |
6a11cf48 | 216 | |
656de6b8 MY |
217 | $(obj)/$(SPL_BIN): $(u-boot-spl-init) $(u-boot-spl-main) $(obj)/u-boot-spl.lds |
218 | $(call cmd,u-boot-spl) | |
6a11cf48 | 219 | |
656de6b8 | 220 | $(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ; |
6a11cf48 | 221 | |
656de6b8 MY |
222 | PHONY += $(u-boot-spl-dirs) |
223 | $(u-boot-spl-dirs): | |
224 | $(Q)$(MAKE) $(build)=$@ | |
6a11cf48 | 225 | |
6825a95b MY |
226 | # FIX ME |
227 | cpp_flags := $(KBUILD_CPPFLAGS) $(CPPFLAGS) $(UBOOTINCLUDE) $(NOSTDINC_FLAGS) | |
6a11cf48 | 228 | |
6825a95b MY |
229 | $(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE |
230 | $(CPP) $(cpp_flags) $(LDPPFLAGS) -I$(obj). -ansi -D__ASSEMBLY__ -P - < $< > $@ | |
6a11cf48 | 231 | |
6825a95b MY |
232 | PHONY += FORCE |
233 | FORCE: | |
234 | ||
235 | # Declare the contents of the .PHONY variable as phony. We keep that | |
236 | # information in a variable so we can use it in if_changed and friends. | |
237 | .PHONY: $(PHONY) |