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Daniel Schwierzeck39ca08e2011-07-18 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#
12# This file is released under the terms of GPL v2 and any later version.
13# See the file COPYING in the root directory of the source tree for details.
14#
15# Based on top-level Makefile.
16#
17
18CONFIG_SPL_BUILD := y
19export CONFIG_SPL_BUILD
20
21include $(TOPDIR)/config.mk
22
23# We want the final binaries in this directory
24obj := $(OBJTREE)/spl/
25
Scott Wooda1e40102012-08-14 01:44:29 +000026HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(SRCTREE)/board/$(VENDOR)/common/Makefile),y,n)
Daniel Schwierzeck39ca08e2011-07-18 07:48:07 +000027
Marek Vasut2a866862011-09-11 17:56:19 +000028ifdef CONFIG_SPL_START_S_PATH
29START_PATH := $(subst ",,$(CONFIG_SPL_START_S_PATH))
30else
31START_PATH := $(CPUDIR)
32endif
33
34START := $(START_PATH)/start.o
Daniel Schwierzeck39ca08e2011-07-18 07:48:07 +000035
36LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o
37LIBS-y += $(CPUDIR)/lib$(CPU).o
38ifdef SOC
39LIBS-y += $(CPUDIR)/$(SOC)/lib$(SOC).o
40endif
41LIBS-y += board/$(BOARDDIR)/lib$(BOARD).o
42LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/lib$(VENDOR).o
43
Tom Rini28591df2012-08-13 12:03:19 -070044LIBS-$(CONFIG_SPL_FRAMEWORK) += common/spl/libspl.o
Daniel Schwierzeck2a7cda82011-07-13 05:11:08 +000045LIBS-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/libcommon.o
46LIBS-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/libdisk.o
47LIBS-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/libi2c.o
48LIBS-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/libgpio.o
49LIBS-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/libmmc.o
50LIBS-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/libserial.o
51LIBS-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/libspi_flash.o
52LIBS-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/libspi.o
53LIBS-$(CONFIG_SPL_FAT_SUPPORT) += fs/fat/libfat.o
54LIBS-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/libgeneric.o
Simon Schwarz123d9212011-09-14 15:30:54 -040055LIBS-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/libpower.o
Simon Schwarz4f62e982011-09-14 15:30:16 -040056LIBS-$(CONFIG_SPL_NAND_SUPPORT) += drivers/mtd/nand/libnand.o
Marek Vasut07e69a22011-10-31 14:14:15 +010057LIBS-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/libonenand.o
Simon Schwarze2b85b82011-09-28 05:00:27 +000058LIBS-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/libdma.o
Heiko Schocher415be992011-11-01 20:00:28 +000059LIBS-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/memory.o
Ilya Yanokf7a2c552012-09-18 00:22:50 +000060LIBS-$(CONFIG_SPL_NET_SUPPORT) += net/libnet.o
61LIBS-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/libnet.o
62LIBS-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/libphy.o
Daniel Schwierzeck2a7cda82011-07-13 05:11:08 +000063
Chandan Nath77a73fe2012-01-09 20:38:59 +000064ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX),)
Daniel Schwierzeck4504f2f2011-07-13 05:11:09 +000065LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
66endif
Daniel Schwierzeck4504f2f2011-07-13 05:11:09 +000067
Allen Martin21fe2f02012-08-31 08:30:01 +000068ifeq ($(SOC),tegra20)
69LIBS-y += arch/$(ARCH)/cpu/$(SOC)-common/lib$(SOC)-common.o
Tom Warrenf83e9c62012-09-19 14:08:52 -070070LIBS-y += arch/$(ARCH)/cpu/tegra-common/libcputegra-common.o
71LIBS-y += $(CPUDIR)/tegra-common/libtegra-common.o
Allen Martin21fe2f02012-08-31 08:30:01 +000072endif
73
Allen Martinfb338cc2012-08-31 08:30:14 +000074# Add GCC lib
75ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
76PLATFORM_LIBGCC = $(SPLTREE)/arch/$(ARCH)/lib/libgcc.o
77PLATFORM_LIBS := $(filter-out %/libgcc.o, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
78endif
79
Daniel Schwierzeck39ca08e2011-07-18 07:48:07 +000080START := $(addprefix $(SPLTREE)/,$(START))
81LIBS := $(addprefix $(SPLTREE)/,$(sort $(LIBS-y)))
82
83__START := $(subst $(obj),,$(START))
84__LIBS := $(subst $(obj),,$(LIBS))
85
86# Linker Script
87ifdef CONFIG_SPL_LDSCRIPT
88# need to strip off double quotes
89LDSCRIPT := $(addprefix $(SRCTREE)/,$(subst ",,$(CONFIG_SPL_LDSCRIPT)))
90endif
91
92ifeq ($(wildcard $(LDSCRIPT)),)
93 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-spl.lds
94endif
95ifeq ($(wildcard $(LDSCRIPT)),)
96 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-spl.lds
97endif
98ifeq ($(wildcard $(LDSCRIPT)),)
Simon Glass9b309372011-11-21 10:49:37 +000099 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds
100endif
101ifeq ($(wildcard $(LDSCRIPT)),)
Daniel Schwierzeck39ca08e2011-07-18 07:48:07 +0000102$(error could not find linker script)
103endif
104
105# Special flags for CPP when processing the linker script.
106# Pass the version down so we can handle backwards compatibility
107# on the fly.
108LDPPFLAGS += \
109 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
110 -include $(OBJTREE)/include/config.h \
Simon Glass7b0fb5f2011-11-21 10:49:40 +0000111 -DCPUDIR=$(CPUDIR) \
Daniel Schwierzeck39ca08e2011-07-18 07:48:07 +0000112 $(shell $(LD) --version | \
113 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
114
John Rigby34d12a12011-07-21 09:10:30 -0400115ifdef CONFIG_OMAP
116$(OBJTREE)/MLO: $(obj)u-boot-spl.bin
117 $(OBJTREE)/tools/mkimage -T omapimage \
118 -a $(CONFIG_SPL_TEXT_BASE) -d $< $@
119endif
Chandan Nath77a73fe2012-01-09 20:38:59 +0000120ifdef CONFIG_AM33XX
121$(OBJTREE)/MLO: $(obj)u-boot-spl.bin
122 $(OBJTREE)/tools/mkimage -T omapimage \
123 -a $(CONFIG_SPL_TEXT_BASE) -d $< $@
124endif
John Rigby34d12a12011-07-21 09:10:30 -0400125
Stefano Babic72ce4832012-10-10 21:11:44 +0000126ifneq ($(CONFIG_IMX_CONFIG),)
127$(OBJTREE)/SPL: $(obj)u-boot-spl.bin
128 $(OBJTREE)/tools/mkimage -n $(SRCTREE)/$(CONFIG_IMX_CONFIG) -T imximage \
129 -e $(CONFIG_SPL_TEXT_BASE) -d $< $@
130endif
131
Daniel Schwierzeck39ca08e2011-07-18 07:48:07 +0000132ALL-y += $(obj)u-boot-spl.bin
133
Chander Kashyap488ef1a2011-08-18 22:37:20 +0000134ifdef CONFIG_SAMSUNG
135ALL-y += $(obj)$(BOARD)-spl.bin
136endif
137
Daniel Schwierzeck39ca08e2011-07-18 07:48:07 +0000138all: $(ALL-y)
139
Chander Kashyap488ef1a2011-08-18 22:37:20 +0000140ifdef CONFIG_SAMSUNG
141$(obj)$(BOARD)-spl.bin: $(obj)u-boot-spl.bin
Angus Ainslieb20564c2011-09-12 10:11:58 +0000142 $(OBJTREE)/tools/mk$(BOARD)spl \
Chander Kashyap488ef1a2011-08-18 22:37:20 +0000143 $(obj)u-boot-spl.bin $(obj)$(BOARD)-spl.bin
144endif
145
Daniel Schwierzeck39ca08e2011-07-18 07:48:07 +0000146$(obj)u-boot-spl.bin: $(obj)u-boot-spl
147 $(OBJCOPY) $(OBJCFLAGS) -O binary $< $@
148
149GEN_UBOOT = \
Tyler Olmstead1b855292012-08-08 16:24:13 +0000150 cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $(__START) \
Daniel Schwierzeck39ca08e2011-07-18 07:48:07 +0000151 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
152 -Map u-boot-spl.map -o u-boot-spl
153
154$(obj)u-boot-spl: depend $(START) $(LIBS) $(obj)u-boot-spl.lds
155 $(GEN_UBOOT)
156
157$(START): depend
Marek Vasut2a866862011-09-11 17:56:19 +0000158 $(MAKE) -C $(SRCTREE)/$(START_PATH) $@
Daniel Schwierzeck39ca08e2011-07-18 07:48:07 +0000159
160$(LIBS): depend
161 $(MAKE) -C $(SRCTREE)$(dir $(subst $(SPLTREE),,$@))
162
163$(obj)u-boot-spl.lds: $(LDSCRIPT) depend
164 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - < $< > $@
165
166depend: $(obj).depend
167.PHONY: depend
168
169# defines $(obj).depend target
170include $(SRCTREE)/rules.mk