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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 | # | |
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 | ||
18 | CONFIG_SPL_BUILD := y | |
19 | export CONFIG_SPL_BUILD | |
20 | ||
21 | include $(TOPDIR)/config.mk | |
22 | ||
23 | # We want the final binaries in this directory | |
24 | obj := $(OBJTREE)/spl/ | |
25 | ||
26 | HAVE_VENDOR_COMMON_LIB := $(shell [ -f $(SRCTREE)/board/$(VENDOR)/common/Makefile ] \ | |
27 | && echo y || echo n) | |
28 | ||
29 | START := $(CPUDIR)/start.o | |
30 | ||
31 | LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o | |
32 | LIBS-y += $(CPUDIR)/lib$(CPU).o | |
33 | ifdef SOC | |
34 | LIBS-y += $(CPUDIR)/$(SOC)/lib$(SOC).o | |
35 | endif | |
36 | LIBS-y += board/$(BOARDDIR)/lib$(BOARD).o | |
37 | LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/lib$(VENDOR).o | |
38 | ||
efcc6096 DS |
39 | LIBS-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/libcommon.o |
40 | LIBS-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/libdisk.o | |
41 | LIBS-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/libi2c.o | |
42 | LIBS-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/libgpio.o | |
43 | LIBS-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/libmmc.o | |
44 | LIBS-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/libserial.o | |
45 | LIBS-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/libspi_flash.o | |
46 | LIBS-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/libspi.o | |
47 | LIBS-$(CONFIG_SPL_FAT_SUPPORT) += fs/fat/libfat.o | |
48 | LIBS-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/libgeneric.o | |
682b3a81 | 49 | LIBS-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/libpower.o |
12c2f1ee | 50 | LIBS-$(CONFIG_SPL_NAND_SUPPORT) += drivers/mtd/nand/libnand.o |
efcc6096 | 51 | |
525728b4 DS |
52 | ifeq ($(SOC),omap3) |
53 | LIBS-y += $(CPUDIR)/omap-common/libomap-common.o | |
54 | endif | |
55 | ifeq ($(SOC),omap4) | |
56 | LIBS-y += $(CPUDIR)/omap-common/libomap-common.o | |
57 | endif | |
58 | ||
6a11cf48 DS |
59 | START := $(addprefix $(SPLTREE)/,$(START)) |
60 | LIBS := $(addprefix $(SPLTREE)/,$(sort $(LIBS-y))) | |
61 | ||
62 | __START := $(subst $(obj),,$(START)) | |
63 | __LIBS := $(subst $(obj),,$(LIBS)) | |
64 | ||
65 | # Linker Script | |
66 | ifdef CONFIG_SPL_LDSCRIPT | |
67 | # need to strip off double quotes | |
68 | LDSCRIPT := $(addprefix $(SRCTREE)/,$(subst ",,$(CONFIG_SPL_LDSCRIPT))) | |
69 | endif | |
70 | ||
71 | ifeq ($(wildcard $(LDSCRIPT)),) | |
72 | LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-spl.lds | |
73 | endif | |
74 | ifeq ($(wildcard $(LDSCRIPT)),) | |
75 | LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-spl.lds | |
76 | endif | |
77 | ifeq ($(wildcard $(LDSCRIPT)),) | |
78 | $(error could not find linker script) | |
79 | endif | |
80 | ||
81 | # Special flags for CPP when processing the linker script. | |
82 | # Pass the version down so we can handle backwards compatibility | |
83 | # on the fly. | |
84 | LDPPFLAGS += \ | |
85 | -include $(TOPDIR)/include/u-boot/u-boot.lds.h \ | |
86 | -include $(OBJTREE)/include/config.h \ | |
87 | $(shell $(LD) --version | \ | |
88 | sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') | |
89 | ||
3decb14a JR |
90 | ifdef CONFIG_OMAP |
91 | $(OBJTREE)/MLO: $(obj)u-boot-spl.bin | |
92 | $(OBJTREE)/tools/mkimage -T omapimage \ | |
93 | -a $(CONFIG_SPL_TEXT_BASE) -d $< $@ | |
94 | endif | |
95 | ||
6a11cf48 DS |
96 | ALL-y += $(obj)u-boot-spl.bin |
97 | ||
98a48c5d CK |
98 | ifdef CONFIG_SAMSUNG |
99 | ALL-y += $(obj)$(BOARD)-spl.bin | |
100 | endif | |
101 | ||
6a11cf48 DS |
102 | all: $(ALL-y) |
103 | ||
98a48c5d CK |
104 | ifdef CONFIG_SAMSUNG |
105 | $(obj)$(BOARD)-spl.bin: $(obj)u-boot-spl.bin | |
106 | $(TOPDIR)/board/$(BOARDDIR)/tools/mk$(BOARD)spl.exe \ | |
107 | $(obj)u-boot-spl.bin $(obj)$(BOARD)-spl.bin | |
108 | endif | |
109 | ||
6a11cf48 DS |
110 | $(obj)u-boot-spl.bin: $(obj)u-boot-spl |
111 | $(OBJCOPY) $(OBJCFLAGS) -O binary $< $@ | |
112 | ||
113 | GEN_UBOOT = \ | |
114 | UNDEF_SYM=`$(OBJDUMP) -x $(LIBS) | \ | |
115 | sed -n -e 's/.*\($(SYM_PREFIX)__u_boot_cmd_.*\)/-u\1/p'|sort|uniq`;\ | |
116 | cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $$UNDEF_SYM $(__START) \ | |
117 | --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \ | |
118 | -Map u-boot-spl.map -o u-boot-spl | |
119 | ||
120 | $(obj)u-boot-spl: depend $(START) $(LIBS) $(obj)u-boot-spl.lds | |
121 | $(GEN_UBOOT) | |
122 | ||
123 | $(START): depend | |
124 | $(MAKE) -C $(SRCTREE)/$(CPUDIR) $@ | |
125 | ||
126 | $(LIBS): depend | |
127 | $(MAKE) -C $(SRCTREE)$(dir $(subst $(SPLTREE),,$@)) | |
128 | ||
129 | $(obj)u-boot-spl.lds: $(LDSCRIPT) depend | |
130 | $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - < $< > $@ | |
131 | ||
132 | depend: $(obj).depend | |
133 | .PHONY: depend | |
134 | ||
135 | # defines $(obj).depend target | |
136 | include $(SRCTREE)/rules.mk |