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6a11cf48 DS |
1 | # |
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 | ||
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 | ||
08e4f700 MV |
29 | ifdef CONFIG_SPL_START_S_PATH |
30 | START_PATH := $(subst ",,$(CONFIG_SPL_START_S_PATH)) | |
31 | else | |
32 | START_PATH := $(CPUDIR) | |
33 | endif | |
34 | ||
35 | START := $(START_PATH)/start.o | |
6a11cf48 DS |
36 | |
37 | LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o | |
38 | LIBS-y += $(CPUDIR)/lib$(CPU).o | |
39 | ifdef SOC | |
40 | LIBS-y += $(CPUDIR)/$(SOC)/lib$(SOC).o | |
41 | endif | |
42 | LIBS-y += board/$(BOARDDIR)/lib$(BOARD).o | |
43 | LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/lib$(VENDOR).o | |
44 | ||
efcc6096 DS |
45 | LIBS-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/libcommon.o |
46 | LIBS-$(CONFIG_SPL_LIBDISK_SUPPORT) += disk/libdisk.o | |
47 | LIBS-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/libi2c.o | |
48 | LIBS-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/libgpio.o | |
49 | LIBS-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/libmmc.o | |
50 | LIBS-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/libserial.o | |
51 | LIBS-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/libspi_flash.o | |
52 | LIBS-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/libspi.o | |
53 | LIBS-$(CONFIG_SPL_FAT_SUPPORT) += fs/fat/libfat.o | |
54 | LIBS-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/libgeneric.o | |
682b3a81 | 55 | LIBS-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/libpower.o |
12c2f1ee | 56 | LIBS-$(CONFIG_SPL_NAND_SUPPORT) += drivers/mtd/nand/libnand.o |
54cd51bf | 57 | LIBS-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/libonenand.o |
3a0d60c5 | 58 | LIBS-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/libdma.o |
18e8ff18 | 59 | LIBS-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/memory.o |
efcc6096 | 60 | |
8a8f084e | 61 | ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX),) |
508a58fa S |
62 | LIBS-y += $(CPUDIR)/omap-common/libomap-common.o |
63 | endif | |
525728b4 | 64 | |
6a11cf48 DS |
65 | START := $(addprefix $(SPLTREE)/,$(START)) |
66 | LIBS := $(addprefix $(SPLTREE)/,$(sort $(LIBS-y))) | |
67 | ||
68 | __START := $(subst $(obj),,$(START)) | |
69 | __LIBS := $(subst $(obj),,$(LIBS)) | |
70 | ||
71 | # Linker Script | |
72 | ifdef CONFIG_SPL_LDSCRIPT | |
73 | # need to strip off double quotes | |
74 | LDSCRIPT := $(addprefix $(SRCTREE)/,$(subst ",,$(CONFIG_SPL_LDSCRIPT))) | |
75 | endif | |
76 | ||
77 | ifeq ($(wildcard $(LDSCRIPT)),) | |
78 | LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-spl.lds | |
79 | endif | |
80 | ifeq ($(wildcard $(LDSCRIPT)),) | |
81 | LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-spl.lds | |
82 | endif | |
83 | ifeq ($(wildcard $(LDSCRIPT)),) | |
84 | $(error could not find linker script) | |
85 | endif | |
86 | ||
87 | # Special flags for CPP when processing the linker script. | |
88 | # Pass the version down so we can handle backwards compatibility | |
89 | # on the fly. | |
90 | LDPPFLAGS += \ | |
91 | -include $(TOPDIR)/include/u-boot/u-boot.lds.h \ | |
92 | -include $(OBJTREE)/include/config.h \ | |
93 | $(shell $(LD) --version | \ | |
94 | sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p') | |
95 | ||
3decb14a JR |
96 | ifdef CONFIG_OMAP |
97 | $(OBJTREE)/MLO: $(obj)u-boot-spl.bin | |
98 | $(OBJTREE)/tools/mkimage -T omapimage \ | |
99 | -a $(CONFIG_SPL_TEXT_BASE) -d $< $@ | |
100 | endif | |
8a8f084e CN |
101 | ifdef CONFIG_AM33XX |
102 | $(OBJTREE)/MLO: $(obj)u-boot-spl.bin | |
103 | $(OBJTREE)/tools/mkimage -T omapimage \ | |
104 | -a $(CONFIG_SPL_TEXT_BASE) -d $< $@ | |
105 | endif | |
3decb14a | 106 | |
6a11cf48 DS |
107 | ALL-y += $(obj)u-boot-spl.bin |
108 | ||
98a48c5d CK |
109 | ifdef CONFIG_SAMSUNG |
110 | ALL-y += $(obj)$(BOARD)-spl.bin | |
111 | endif | |
112 | ||
6a11cf48 DS |
113 | all: $(ALL-y) |
114 | ||
98a48c5d CK |
115 | ifdef CONFIG_SAMSUNG |
116 | $(obj)$(BOARD)-spl.bin: $(obj)u-boot-spl.bin | |
a2ee7f07 | 117 | $(OBJTREE)/tools/mk$(BOARD)spl \ |
98a48c5d CK |
118 | $(obj)u-boot-spl.bin $(obj)$(BOARD)-spl.bin |
119 | endif | |
120 | ||
6a11cf48 DS |
121 | $(obj)u-boot-spl.bin: $(obj)u-boot-spl |
122 | $(OBJCOPY) $(OBJCFLAGS) -O binary $< $@ | |
123 | ||
124 | GEN_UBOOT = \ | |
125 | UNDEF_SYM=`$(OBJDUMP) -x $(LIBS) | \ | |
126 | sed -n -e 's/.*\($(SYM_PREFIX)__u_boot_cmd_.*\)/-u\1/p'|sort|uniq`;\ | |
127 | cd $(obj) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $$UNDEF_SYM $(__START) \ | |
128 | --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \ | |
129 | -Map u-boot-spl.map -o u-boot-spl | |
130 | ||
131 | $(obj)u-boot-spl: depend $(START) $(LIBS) $(obj)u-boot-spl.lds | |
132 | $(GEN_UBOOT) | |
133 | ||
134 | $(START): depend | |
08e4f700 | 135 | $(MAKE) -C $(SRCTREE)/$(START_PATH) $@ |
6a11cf48 DS |
136 | |
137 | $(LIBS): depend | |
138 | $(MAKE) -C $(SRCTREE)$(dir $(subst $(SPLTREE),,$@)) | |
139 | ||
140 | $(obj)u-boot-spl.lds: $(LDSCRIPT) depend | |
141 | $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - < $< > $@ | |
142 | ||
143 | depend: $(obj).depend | |
144 | .PHONY: depend | |
145 | ||
146 | # defines $(obj).depend target | |
147 | include $(SRCTREE)/rules.mk |