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1 #
2 # (C) Copyright 2007
3 # Stefan Roese, DENX Software Engineering, sr@denx.de.
4 #
5 # Copyright 2009 Freescale Semiconductor, Inc.
6 #
7 # See file CREDITS for list of people who contributed to this
8 # project.
9 #
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.
14 #
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.
19 #
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,
23 # MA 02111-1307 USA
24 #
25
26 NAND_SPL := y
27 CONFIG_SYS_TEXT_BASE_SPL := 0xfff00000
28 PAD_TO := 0xfff01000
29
30 include $(TOPDIR)/config.mk
31
32 LDSCRIPT= $(TOPDIR)/$(CPUDIR)/u-boot-nand_spl.lds
33 LDFLAGS = -Bstatic -T $(LDSCRIPT) -Ttext $(CONFIG_SYS_TEXT_BASE_SPL) $(PLATFORM_LDFLAGS)
34 AFLAGS  += -DCONFIG_NAND_SPL
35 CFLAGS  += -DCONFIG_NAND_SPL
36
37 SOBJS   = start.o resetvec.o
38 COBJS   = cache.o cpu_init_early.o cpu_init_nand.o fsl_law.o law.o \
39           nand_boot.o nand_boot_fsl_elbc.o ns16550.o tlb.o tlb_table.o
40
41 SRCS    := $(addprefix $(obj),$(SOBJS:.o=.S) $(COBJS:.o=.c))
42 OBJS    := $(addprefix $(obj),$(SOBJS) $(COBJS))
43 __OBJS  := $(SOBJS) $(COBJS)
44 LNDIR   := $(OBJTREE)/nand_spl/board/$(BOARDDIR)
45
46 nandobj := $(OBJTREE)/nand_spl/
47
48 ALL     = $(nandobj)u-boot-spl $(nandobj)u-boot-spl.bin $(nandobj)u-boot-spl-16k.bin
49
50 all:    $(obj).depend $(ALL)
51
52 $(nandobj)u-boot-spl-16k.bin: $(nandobj)u-boot-spl
53         $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(PAD_TO) -O binary $< $@
54
55 $(nandobj)u-boot-spl.bin:       $(nandobj)u-boot-spl
56         $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
57
58 $(nandobj)u-boot-spl:   $(OBJS)
59         cd $(LNDIR) && $(LD) $(LDFLAGS) $(__OBJS) $(PLATFORM_LIBS) \
60                 -Map $(nandobj)u-boot-spl.map \
61                 -o $(nandobj)u-boot-spl
62
63 # create symbolic links for common files
64
65 $(obj)cache.c:
66         @rm -f $(obj)cache.c
67         ln -sf $(SRCTREE)/arch/powerpc/lib/cache.c $(obj)cache.c
68
69 $(obj)cpu_init_early.c:
70         @rm -f $(obj)cpu_init_early.c
71         ln -sf $(SRCTREE)/arch/powerpc/cpu/mpc85xx/cpu_init_early.c $(obj)cpu_init_early.c
72
73 $(obj)cpu_init_nand.c:
74         @rm -f $(obj)cpu_init_nand.c
75         ln -sf $(SRCTREE)/arch/powerpc/cpu/mpc85xx/cpu_init_nand.c $(obj)cpu_init_nand.c
76
77 $(obj)fsl_law.c:
78         @rm -f $(obj)fsl_law.c
79         ln -sf $(SRCTREE)/drivers/misc/fsl_law.c $(obj)fsl_law.c
80
81 $(obj)law.c:
82         @rm -f $(obj)law.c
83         ln -sf $(SRCTREE)/board/$(BOARDDIR)/law.c $(obj)law.c
84
85 $(obj)nand_boot_fsl_elbc.c:
86         @rm -f $(obj)nand_boot_fsl_elbc.c
87         ln -sf $(SRCTREE)/nand_spl/nand_boot_fsl_elbc.c \
88                $(obj)nand_boot_fsl_elbc.c
89
90 $(obj)ns16550.c:
91         @rm -f $(obj)ns16550.c
92         ln -sf $(SRCTREE)/drivers/serial/ns16550.c $(obj)ns16550.c
93
94 $(obj)resetvec.S:
95         @rm -f $(obj)resetvec.S
96         ln -s $(SRCTREE)/$(CPUDIR)/resetvec.S $(obj)resetvec.S
97
98 $(obj)fixed_ivor.S:
99         @rm -f $(obj)fixed_ivor.S
100         ln -sf $(SRCTREE)/arch/powerpc/cpu/mpc85xx/fixed_ivor.S $(obj)fixed_ivor.S
101
102 $(obj)start.S: $(obj)fixed_ivor.S
103         @rm -f $(obj)start.S
104         ln -sf $(SRCTREE)/arch/powerpc/cpu/mpc85xx/start.S $(obj)start.S
105
106 $(obj)tlb.c:
107         @rm -f $(obj)tlb.c
108         ln -sf $(SRCTREE)/arch/powerpc/cpu/mpc85xx/tlb.c $(obj)tlb.c
109
110 $(obj)tlb_table.c:
111         @rm -f $(obj)tlb_table.c
112         ln -sf $(SRCTREE)/board/$(BOARDDIR)/tlb.c $(obj)tlb_table.c
113
114 ifneq ($(OBJTREE), $(SRCTREE))
115 $(obj)nand_boot.c:
116         @rm -f $(obj)nand_boot.c
117         ln -s $(SRCTREE)/nand_spl/board/$(BOARDDIR)/nand_boot.c $(obj)nand_boot.c
118 endif
119
120 #########################################################################
121
122 $(obj)%.o:      $(obj)%.S
123         $(CC) $(AFLAGS) -c -o $@ $<
124
125 $(obj)%.o:      $(obj)%.c
126         $(CC) $(CFLAGS) -c -o $@ $<
127
128 # defines $(obj).depend target
129 include $(SRCTREE)/rules.mk
130
131 sinclude $(obj).depend
132
133 #########################################################################