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Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +00001#
2# (C) Copyright 2000-2011
3# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4#
5# (C) Copyright 2011
6# Daniel Schwierzeck, daniel.schwierzeck@googlemail.com.
7#
8# (C) Copyright 2011
9# Texas Instruments Incorporated - http://www.ti.com/
10# Aneesh V <aneesh@ti.com>
11#
Wolfgang Denk1a459662013-07-08 09:37:19 +020012# SPDX-License-Identifier: GPL-2.0+
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000013#
14# Based on top-level Makefile.
15#
16
17CONFIG_SPL_BUILD := y
18export CONFIG_SPL_BUILD
19
Ying Zhang3aa29de2013-08-16 15:16:15 +080020ifeq ($(CONFIG_TPL_BUILD),y)
21export CONFIG_TPL_BUILD
22SPL_BIN := u-boot-tpl
23else
24SPL_BIN := u-boot-spl
25endif
26
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000027include $(TOPDIR)/config.mk
28
29# We want the final binaries in this directory
Ying Zhang3aa29de2013-08-16 15:16:15 +080030ifeq ($(CONFIG_TPL_BUILD),y)
31obj := $(OBJTREE)/tpl/
32SPLTREE := $(TPLTREE)
33else
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000034obj := $(OBJTREE)/spl/
Ying Zhang3aa29de2013-08-16 15:16:15 +080035endif
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000036
Scott Woode66443f2012-08-14 01:44:29 +000037HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(SRCTREE)/board/$(VENDOR)/common/Makefile),y,n)
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000038
Marek Vasut08e4f702011-09-11 17:56:19 +000039ifdef CONFIG_SPL_START_S_PATH
40START_PATH := $(subst ",,$(CONFIG_SPL_START_S_PATH))
41else
42START_PATH := $(CPUDIR)
43endif
44
45START := $(START_PATH)/start.o
Scott Wood510ed3b2012-09-19 17:56:39 -050046ifeq ($(CPU),x86)
47START += $(START_PATH)/start16.o
48START += $(START_PATH)/resetvec.o
49endif
50ifeq ($(CPU),ppc4xx)
51START += $(START_PATH)/resetvec.o
52endif
53ifeq ($(CPU),mpc85xx)
54START += $(START_PATH)/resetvec.o
55endif
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000056
57LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o
Scott Wood510ed3b2012-09-19 17:56:39 -050058
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000059LIBS-y += $(CPUDIR)/lib$(CPU).o
Scott Wood510ed3b2012-09-19 17:56:39 -050060ifeq ($(CPU),mpc83xx)
61LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
62endif
63ifeq ($(CPU),mpc85xx)
64LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
Ying Zhangbb0dc102013-08-16 15:16:11 +080065ifdef CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT
66LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
67endif
Scott Wood510ed3b2012-09-19 17:56:39 -050068endif
69ifeq ($(CPU),mpc86xx)
70LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
71endif
72
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000073ifdef SOC
74LIBS-y += $(CPUDIR)/$(SOC)/lib$(SOC).o
75endif
76LIBS-y += board/$(BOARDDIR)/lib$(BOARD).o
77LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/lib$(VENDOR).o
78
Tom Rini47f7bca2012-08-13 12:03:19 -070079LIBS-$(CONFIG_SPL_FRAMEWORK) += common/spl/libspl.o
Daniel Schwierzeckefcc6092011-07-13 05:11:08 +000080LIBS-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/libcommon.o
81LIBS-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/libdisk.o
82LIBS-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/libi2c.o
83LIBS-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/libgpio.o
84LIBS-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/libmmc.o
85LIBS-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/libserial.o
86LIBS-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/libspi_flash.o
87LIBS-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/libspi.o
88LIBS-$(CONFIG_SPL_FAT_SUPPORT) += fs/fat/libfat.o
89LIBS-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/libgeneric.o
Tom Rinifd070d82013-08-30 16:28:41 -040090LIBS-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/libpower.o \
91 drivers/power/pmic/libpmic.o
Simon Schwarz12c2f1e2011-09-14 15:30:16 -040092LIBS-$(CONFIG_SPL_NAND_SUPPORT) += drivers/mtd/nand/libnand.o
Marek Vasut54cd51b2011-10-31 14:14:15 +010093LIBS-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/libonenand.o
Simon Schwarz3a0d60c2011-09-28 05:00:27 +000094LIBS-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/libdma.o
Heiko Schocher18e8ff12011-11-01 20:00:28 +000095LIBS-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/memory.o
Ilya Yanok7ac2fe22012-09-18 00:22:50 +000096LIBS-$(CONFIG_SPL_NET_SUPPORT) += net/libnet.o
97LIBS-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/libnet.o
98LIBS-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/libphy.o
Joel Fernandes39bc12d2013-08-19 16:14:14 +080099LIBS-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/net/phy/libphy.o
Ilya Yanok62a81432013-02-05 11:36:24 +0000100LIBS-$(CONFIG_SPL_MUSB_NEW_SUPPORT) += drivers/usb/musb-new/libusb_musb-new.o
101LIBS-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/usb/gadget/libusb_gadget.o
Heiko Schochera09f9642013-08-19 16:38:58 +0200102LIBS-$(CONFIG_SPL_WATCHDOG_SUPPORT) += drivers/watchdog/libwatchdog.o
Daniel Schwierzeckefcc6092011-07-13 05:11:08 +0000103
Benoît Thébaudeau89a9fd52013-05-06 01:15:48 +0000104ifneq (,$(CONFIG_MX23)$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
Marek Vasutcfb8e872013-04-21 05:52:25 +0000105LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
106endif
107
Masahiro Yamada37d82be2013-10-17 20:38:54 +0900108LIBS-$(CONFIG_ARM) += arch/arm/cpu/libcpu.o
Allen Martind9e73a82012-08-31 08:30:01 +0000109
Benoît Thébaudeau52b9d3c2013-05-03 10:32:19 +0000110ifneq ($(CONFIG_MX23)$(CONFIG_MX35),)
Stefan Roese8870e452013-04-09 21:06:08 +0000111LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
112endif
113
Allen Martin660e98f2012-08-31 08:30:14 +0000114# Add GCC lib
115ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
116PLATFORM_LIBGCC = $(SPLTREE)/arch/$(ARCH)/lib/libgcc.o
117PLATFORM_LIBS := $(filter-out %/libgcc.o, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
118endif
119
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000120START := $(addprefix $(SPLTREE)/,$(START))
121LIBS := $(addprefix $(SPLTREE)/,$(sort $(LIBS-y)))
122
123__START := $(subst $(obj),,$(START))
124__LIBS := $(subst $(obj),,$(LIBS))
125
126# Linker Script
127ifdef CONFIG_SPL_LDSCRIPT
128# need to strip off double quotes
129LDSCRIPT := $(addprefix $(SRCTREE)/,$(subst ",,$(CONFIG_SPL_LDSCRIPT)))
130endif
131
132ifeq ($(wildcard $(LDSCRIPT)),)
133 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-spl.lds
134endif
135ifeq ($(wildcard $(LDSCRIPT)),)
136 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-spl.lds
137endif
138ifeq ($(wildcard $(LDSCRIPT)),)
Albert ARIBAUD65cdd642013-02-25 00:58:58 +0000139 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot-spl.lds
Simon Glassee601972011-11-21 10:49:37 +0000140endif
141ifeq ($(wildcard $(LDSCRIPT)),)
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000142$(error could not find linker script)
143endif
144
Masahiro Yamada71f84ef2013-10-17 17:34:53 +0900145build := -f $(TOPDIR)/scripts/Makefile.build -C
146
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000147# Special flags for CPP when processing the linker script.
148# Pass the version down so we can handle backwards compatibility
149# on the fly.
150LDPPFLAGS += \
151 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
152 -include $(OBJTREE)/include/config.h \
Simon Glass7e6403a2011-11-21 10:49:40 +0000153 -DCPUDIR=$(CPUDIR) \
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000154 $(shell $(LD) --version | \
155 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
156
John Rigby3decb142011-07-21 09:10:30 -0400157$(OBJTREE)/MLO: $(obj)u-boot-spl.bin
158 $(OBJTREE)/tools/mkimage -T omapimage \
159 -a $(CONFIG_SPL_TEXT_BASE) -d $< $@
Tom Rini79b9ebb2012-10-16 13:06:06 +0000160
161$(OBJTREE)/MLO.byteswap: $(obj)u-boot-spl.bin
162 $(OBJTREE)/tools/mkimage -T omapimage -n byteswap \
Chandan Nath8a8f0842012-01-09 20:38:59 +0000163 -a $(CONFIG_SPL_TEXT_BASE) -d $< $@
John Rigby3decb142011-07-21 09:10:30 -0400164
Troy Kisky71a988a2013-01-18 16:14:24 +0000165$(OBJTREE)/SPL : $(obj)u-boot-spl.bin depend
Masahiro Yamada71f84ef2013-10-17 17:34:53 +0900166 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $@
Stefano Babica80834c2012-10-10 21:11:44 +0000167
Ying Zhang3aa29de2013-08-16 15:16:15 +0800168ALL-y += $(obj)$(SPL_BIN).bin
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000169
Chander Kashyap98a48c52011-08-18 22:37:20 +0000170ifdef CONFIG_SAMSUNG
171ALL-y += $(obj)$(BOARD)-spl.bin
172endif
173
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000174all: $(ALL-y)
175
Chander Kashyap98a48c52011-08-18 22:37:20 +0000176ifdef CONFIG_SAMSUNG
177$(obj)$(BOARD)-spl.bin: $(obj)u-boot-spl.bin
Angus Ainsliea2ee7f02011-09-12 10:11:58 +0000178 $(OBJTREE)/tools/mk$(BOARD)spl \
Chander Kashyap98a48c52011-08-18 22:37:20 +0000179 $(obj)u-boot-spl.bin $(obj)$(BOARD)-spl.bin
180endif
181
Ying Zhang3aa29de2013-08-16 15:16:15 +0800182$(obj)$(SPL_BIN).bin: $(obj)$(SPL_BIN)
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000183 $(OBJCOPY) $(OBJCFLAGS) -O binary $< $@
184
185GEN_UBOOT = \
Tyler Olmsteadbe7e41e2012-08-08 16:24:13 +0000186 cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $(__START) \
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000187 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
Ying Zhang3aa29de2013-08-16 15:16:15 +0800188 -Map $(SPL_BIN).map -o $(SPL_BIN)
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000189
Ying Zhang3aa29de2013-08-16 15:16:15 +0800190$(obj)$(SPL_BIN): depend $(START) $(LIBS) $(obj)u-boot-spl.lds
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000191 $(GEN_UBOOT)
192
Masahiro Yamada3bddafa2013-10-21 11:53:41 +0900193$(START):
194 @:
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000195
196$(LIBS): depend
Masahiro Yamada3bddafa2013-10-21 11:53:41 +0900197 $(MAKE) $(build) $(SRCTREE)$(dir $(subst $(SPLTREE),,$@))
198 mv $(dir $@)built-in.o $@
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000199
Albert ARIBAUD65cdd642013-02-25 00:58:58 +0000200$(obj)u-boot-spl.lds: $(LDSCRIPT) depend
Marek Vasut97b24d32012-10-19 05:00:10 +0000201 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -I$(obj). -ansi -D__ASSEMBLY__ -P - < $< > $@
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000202
203depend: $(obj).depend
204.PHONY: depend
205
206# defines $(obj).depend target
207include $(SRCTREE)/rules.mk