3 # Stefan Roese, DENX Software Engineering, sr@denx.de.
5 # Copyright 2009-2011 Freescale Semiconductor, Inc.
7 # See file CREDITS for list of people who contributed to this
10 # This program is free software; you can redistribute it and/or
11 # modify it under the terms of the GNU General Public License as
12 # published by the Free Software Foundation; either version 2 of
13 # the License, or (at your option) any later version.
15 # This program is distributed in the hope that it will be useful,
16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 # GNU General Public License for more details.
20 # You should have received a copy of the GNU General Public License
21 # along with this program; if not, write to the Free Software
22 # Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 CONFIG_SYS_TEXT_BASE_SPL := 0xfff00000
30 include $(TOPDIR)/config.mk
32 nandobj := $(OBJTREE)/nand_spl/
34 LDSCRIPT= $(TOPDIR)/$(CPUDIR)/u-boot-nand_spl.lds
35 LSTSCRIPT= $(nandobj)/board/$(BOARDDIR)/u-boot.lst
36 LDFLAGS := -T $(nandobj)u-boot-nand_spl.lds -Ttext $(CONFIG_SYS_TEXT_BASE_SPL) \
37 $(LDFLAGS) $(LDFLAGS_FINAL)
38 AFLAGS += -DCONFIG_NAND_SPL
39 CFLAGS += -DCONFIG_NAND_SPL
41 SOBJS = start.o resetvec.o
42 COBJS = cache.o cpu_init_early.o cpu_init_nand.o fsl_law.o law.o \
43 nand_boot.o nand_boot_fsl_elbc.o ns16550.o tlb.o tlb_table.o
45 SRCS := $(addprefix $(obj),$(SOBJS:.o=.S) $(COBJS:.o=.c))
46 OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
47 __OBJS := $(SOBJS) $(COBJS)
48 LNDIR := $(nandobj)board/$(BOARDDIR)
50 ALL = $(nandobj)u-boot-spl $(nandobj)u-boot-spl.bin $(nandobj)u-boot-spl-16k.bin
52 all: $(obj).depend $(ALL)
54 $(nandobj)u-boot-spl-16k.bin: $(nandobj)u-boot-spl
55 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(PAD_TO) -O binary $< $@
57 $(nandobj)u-boot-spl.bin: $(nandobj)u-boot-spl
58 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
60 $(nandobj)u-boot-spl: $(OBJS) $(nandobj)u-boot-nand_spl.lds
61 cd $(LNDIR) && $(LD) $(LDFLAGS) $(__OBJS) $(PLATFORM_LIBS) \
62 -Map $(nandobj)u-boot-spl.map \
63 -o $(nandobj)u-boot-spl
65 # The following line expands into whole rule which generates $(LSTSCRIPT),
66 # the file containing u-boots LG-array linker section. This is included into
67 # $(LDSCRIPT). The function make_u_boot_list is defined in helper.mk file.
68 $(eval $(call make_u_boot_list, $(LSTSCRIPT), $(OBJS)))
69 $(nandobj)u-boot-nand_spl.lds: $(LDSCRIPT) $(LSTSCRIPT)
70 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -I$(obj) -ansi -D__ASSEMBLY__ -P - <$< >$@
72 # create symbolic links for common files
76 ln -sf $(SRCTREE)/arch/powerpc/lib/cache.c $(obj)cache.c
78 $(obj)cpu_init_early.c:
79 @rm -f $(obj)cpu_init_early.c
80 ln -sf $(SRCTREE)/arch/powerpc/cpu/mpc85xx/cpu_init_early.c $(obj)cpu_init_early.c
82 $(obj)cpu_init_nand.c:
83 @rm -f $(obj)cpu_init_nand.c
84 ln -sf $(SRCTREE)/arch/powerpc/cpu/mpc85xx/cpu_init_nand.c $(obj)cpu_init_nand.c
87 @rm -f $(obj)fsl_law.c
88 ln -sf $(SRCTREE)/drivers/misc/fsl_law.c $(obj)fsl_law.c
92 ln -sf $(SRCTREE)/board/$(BOARDDIR)/law.c $(obj)law.c
94 $(obj)nand_boot_fsl_elbc.c:
95 @rm -f $(obj)nand_boot_fsl_elbc.c
96 ln -sf $(SRCTREE)/nand_spl/nand_boot_fsl_elbc.c \
97 $(obj)nand_boot_fsl_elbc.c
100 @rm -f $(obj)ns16550.c
101 ln -sf $(SRCTREE)/drivers/serial/ns16550.c $(obj)ns16550.c
104 @rm -f $(obj)resetvec.S
105 ln -s $(SRCTREE)/$(CPUDIR)/resetvec.S $(obj)resetvec.S
108 @rm -f $(obj)fixed_ivor.S
109 ln -sf $(SRCTREE)/arch/powerpc/cpu/mpc85xx/fixed_ivor.S $(obj)fixed_ivor.S
111 $(obj)start.S: $(obj)fixed_ivor.S
113 ln -sf $(SRCTREE)/arch/powerpc/cpu/mpc85xx/start.S $(obj)start.S
117 ln -sf $(SRCTREE)/arch/powerpc/cpu/mpc85xx/tlb.c $(obj)tlb.c
120 @rm -f $(obj)tlb_table.c
121 ln -sf $(SRCTREE)/board/$(BOARDDIR)/tlb.c $(obj)tlb_table.c
123 ifneq ($(OBJTREE), $(SRCTREE))
125 @rm -f $(obj)nand_boot.c
126 ln -s $(SRCTREE)/nand_spl/board/$(BOARDDIR)/nand_boot.c $(obj)nand_boot.c
129 #########################################################################
132 $(CC) $(AFLAGS) -c -o $@ $<
135 $(CC) $(CFLAGS) -c -o $@ $<
137 # defines $(obj).depend target
138 include $(SRCTREE)/rules.mk
140 sinclude $(obj).depend
142 #########################################################################