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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#
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 Woode66443f2012-08-14 01:44:29 +000026HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(SRCTREE)/board/$(VENDOR)/common/Makefile),y,n)
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000027
Marek Vasut08e4f702011-09-11 17:56:19 +000028ifdef CONFIG_SPL_START_S_PATH
29START_PATH := $(subst ",,$(CONFIG_SPL_START_S_PATH))
30else
31START_PATH := $(CPUDIR)
32endif
33
34START := $(START_PATH)/start.o
Scott Wood510ed3b2012-09-19 17:56:39 -050035ifeq ($(CPU),x86)
36START += $(START_PATH)/start16.o
37START += $(START_PATH)/resetvec.o
38endif
39ifeq ($(CPU),ppc4xx)
40START += $(START_PATH)/resetvec.o
41endif
42ifeq ($(CPU),mpc85xx)
43START += $(START_PATH)/resetvec.o
44endif
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000045
46LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o
Scott Wood510ed3b2012-09-19 17:56:39 -050047
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000048LIBS-y += $(CPUDIR)/lib$(CPU).o
Scott Wood510ed3b2012-09-19 17:56:39 -050049ifeq ($(CPU),mpc83xx)
50LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
51endif
52ifeq ($(CPU),mpc85xx)
53LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
54endif
55ifeq ($(CPU),mpc86xx)
56LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
57endif
58
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +000059ifdef SOC
60LIBS-y += $(CPUDIR)/$(SOC)/lib$(SOC).o
61endif
62LIBS-y += board/$(BOARDDIR)/lib$(BOARD).o
63LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/lib$(VENDOR).o
64
Tom Rini47f7bca2012-08-13 12:03:19 -070065LIBS-$(CONFIG_SPL_FRAMEWORK) += common/spl/libspl.o
Daniel Schwierzeckefcc6092011-07-13 05:11:08 +000066LIBS-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/libcommon.o
67LIBS-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/libdisk.o
68LIBS-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/libi2c.o
69LIBS-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/libgpio.o
70LIBS-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/libmmc.o
71LIBS-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/libserial.o
72LIBS-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/libspi_flash.o
73LIBS-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/libspi.o
74LIBS-$(CONFIG_SPL_FAT_SUPPORT) += fs/fat/libfat.o
75LIBS-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/libgeneric.o
Simon Schwarz682b3a82011-09-14 15:30:54 -040076LIBS-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/libpower.o
Simon Schwarz12c2f1e2011-09-14 15:30:16 -040077LIBS-$(CONFIG_SPL_NAND_SUPPORT) += drivers/mtd/nand/libnand.o
Marek Vasut54cd51b2011-10-31 14:14:15 +010078LIBS-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/libonenand.o
Simon Schwarz3a0d60c2011-09-28 05:00:27 +000079LIBS-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/libdma.o
Heiko Schocher18e8ff12011-11-01 20:00:28 +000080LIBS-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/memory.o
Ilya Yanok7ac2fe22012-09-18 00:22:50 +000081LIBS-$(CONFIG_SPL_NET_SUPPORT) += net/libnet.o
82LIBS-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/libnet.o
83LIBS-$(CONFIG_SPL_ETH_SUPPORT) += drivers/net/phy/libphy.o
Daniel Schwierzeckefcc6092011-07-13 05:11:08 +000084
Chandan Nath8a8f0842012-01-09 20:38:59 +000085ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX),)
Sricharan508a58f2011-11-15 09:49:55 -050086LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
87endif
Daniel Schwierzeck525728b2011-07-13 05:11:09 +000088
Tom Warren6d6c0ba2012-12-11 13:34:17 +000089ifneq ($(CONFIG_TEGRA),)
Allen Martind9e73a82012-08-31 08:30:01 +000090LIBS-y += arch/$(ARCH)/cpu/$(SOC)-common/lib$(SOC)-common.o
Tom Warren3064f322012-09-19 14:08:52 -070091LIBS-y += arch/$(ARCH)/cpu/tegra-common/libcputegra-common.o
92LIBS-y += $(CPUDIR)/tegra-common/libtegra-common.o
Allen Martind9e73a82012-08-31 08:30:01 +000093endif
94
Allen Martin660e98f2012-08-31 08:30:14 +000095# Add GCC lib
96ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
97PLATFORM_LIBGCC = $(SPLTREE)/arch/$(ARCH)/lib/libgcc.o
98PLATFORM_LIBS := $(filter-out %/libgcc.o, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
99endif
100
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000101START := $(addprefix $(SPLTREE)/,$(START))
102LIBS := $(addprefix $(SPLTREE)/,$(sort $(LIBS-y)))
103
104__START := $(subst $(obj),,$(START))
105__LIBS := $(subst $(obj),,$(LIBS))
106
107# Linker Script
108ifdef CONFIG_SPL_LDSCRIPT
109# need to strip off double quotes
110LDSCRIPT := $(addprefix $(SRCTREE)/,$(subst ",,$(CONFIG_SPL_LDSCRIPT)))
111endif
112
113ifeq ($(wildcard $(LDSCRIPT)),)
114 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-spl.lds
115endif
116ifeq ($(wildcard $(LDSCRIPT)),)
117 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-spl.lds
118endif
119ifeq ($(wildcard $(LDSCRIPT)),)
Simon Glassee601972011-11-21 10:49:37 +0000120 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds
121endif
122ifeq ($(wildcard $(LDSCRIPT)),)
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000123$(error could not find linker script)
124endif
125
126# Special flags for CPP when processing the linker script.
127# Pass the version down so we can handle backwards compatibility
128# on the fly.
129LDPPFLAGS += \
130 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
131 -include $(OBJTREE)/include/config.h \
Simon Glass7e6403a2011-11-21 10:49:40 +0000132 -DCPUDIR=$(CPUDIR) \
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000133 $(shell $(LD) --version | \
134 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
135
John Rigby3decb142011-07-21 09:10:30 -0400136$(OBJTREE)/MLO: $(obj)u-boot-spl.bin
137 $(OBJTREE)/tools/mkimage -T omapimage \
138 -a $(CONFIG_SPL_TEXT_BASE) -d $< $@
Tom Rini79b9ebb2012-10-16 13:06:06 +0000139
140$(OBJTREE)/MLO.byteswap: $(obj)u-boot-spl.bin
141 $(OBJTREE)/tools/mkimage -T omapimage -n byteswap \
Chandan Nath8a8f0842012-01-09 20:38:59 +0000142 -a $(CONFIG_SPL_TEXT_BASE) -d $< $@
John Rigby3decb142011-07-21 09:10:30 -0400143
Stefano Babica80834c2012-10-10 21:11:44 +0000144ifneq ($(CONFIG_IMX_CONFIG),)
145$(OBJTREE)/SPL: $(obj)u-boot-spl.bin
146 $(OBJTREE)/tools/mkimage -n $(SRCTREE)/$(CONFIG_IMX_CONFIG) -T imximage \
147 -e $(CONFIG_SPL_TEXT_BASE) -d $< $@
148endif
149
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000150ALL-y += $(obj)u-boot-spl.bin
151
Chander Kashyap98a48c52011-08-18 22:37:20 +0000152ifdef CONFIG_SAMSUNG
153ALL-y += $(obj)$(BOARD)-spl.bin
154endif
155
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000156all: $(ALL-y)
157
Chander Kashyap98a48c52011-08-18 22:37:20 +0000158ifdef CONFIG_SAMSUNG
159$(obj)$(BOARD)-spl.bin: $(obj)u-boot-spl.bin
Angus Ainsliea2ee7f02011-09-12 10:11:58 +0000160 $(OBJTREE)/tools/mk$(BOARD)spl \
Chander Kashyap98a48c52011-08-18 22:37:20 +0000161 $(obj)u-boot-spl.bin $(obj)$(BOARD)-spl.bin
162endif
163
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000164$(obj)u-boot-spl.bin: $(obj)u-boot-spl
165 $(OBJCOPY) $(OBJCFLAGS) -O binary $< $@
166
167GEN_UBOOT = \
Tyler Olmsteadbe7e41e2012-08-08 16:24:13 +0000168 cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $(__START) \
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000169 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
170 -Map u-boot-spl.map -o u-boot-spl
171
172$(obj)u-boot-spl: depend $(START) $(LIBS) $(obj)u-boot-spl.lds
173 $(GEN_UBOOT)
174
175$(START): depend
Marek Vasut08e4f702011-09-11 17:56:19 +0000176 $(MAKE) -C $(SRCTREE)/$(START_PATH) $@
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000177
178$(LIBS): depend
179 $(MAKE) -C $(SRCTREE)$(dir $(subst $(SPLTREE),,$@))
180
Marek Vasut97b24d32012-10-19 05:00:10 +0000181# The following line expands into whole rule which generates u-boot.lst,
182# the file containing u-boots LG-array linker section. This is included into
183# $(LDSCRIPT). The function make_u_boot_list is defined in helper.mk file.
184$(eval $(call make_u_boot_list, $(obj)u-boot.lst, $(LIBS)))
185$(obj)u-boot-spl.lds: $(LDSCRIPT) $(obj)u-boot.lst depend
186 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -I$(obj). -ansi -D__ASSEMBLY__ -P - < $< > $@
Daniel Schwierzeck6a11cf42011-07-18 07:48:07 +0000187
188depend: $(obj).depend
189.PHONY: depend
190
191# defines $(obj).depend target
192include $(SRCTREE)/rules.mk