kbuild: allow assignment to {A,C,LD}FLAGS_MODULE on the command line
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / blackfin / Makefile
1 #
2 # arch/blackfin/Makefile
3 #
4 # This file is subject to the terms and conditions of the GNU General Public
5 # License. See the file "COPYING" in the main directory of this archive
6 # for more details.
7 #
8
9 ifeq ($(CROSS_COMPILE),)
10 CROSS_COMPILE := bfin-uclinux-
11 endif
12 LDFLAGS_vmlinux := -X
13 OBJCOPYFLAGS := -O binary -R .note -R .comment -S
14 GZFLAGS := -9
15
16 KBUILD_CFLAGS += $(call cc-option,-mno-fdpic)
17 KBUILD_AFLAGS += $(call cc-option,-mno-fdpic)
18 KBUILD_CFLAGS_MODULE += -mlong-calls
19 KBUILD_LDFLAGS_MODULE += -m elf32bfin
20 KALLSYMS += --symbol-prefix=_
21
22 KBUILD_DEFCONFIG := BF537-STAMP_defconfig
23
24 # setup the machine name and the machine dependent settings
25 machine-$(CONFIG_BF512) := bf518
26 machine-$(CONFIG_BF514) := bf518
27 machine-$(CONFIG_BF516) := bf518
28 machine-$(CONFIG_BF518) := bf518
29 machine-$(CONFIG_BF522) := bf527
30 machine-$(CONFIG_BF523) := bf527
31 machine-$(CONFIG_BF524) := bf527
32 machine-$(CONFIG_BF525) := bf527
33 machine-$(CONFIG_BF526) := bf527
34 machine-$(CONFIG_BF527) := bf527
35 machine-$(CONFIG_BF531) := bf533
36 machine-$(CONFIG_BF532) := bf533
37 machine-$(CONFIG_BF533) := bf533
38 machine-$(CONFIG_BF534) := bf537
39 machine-$(CONFIG_BF536) := bf537
40 machine-$(CONFIG_BF537) := bf537
41 machine-$(CONFIG_BF538) := bf538
42 machine-$(CONFIG_BF539) := bf538
43 machine-$(CONFIG_BF542) := bf548
44 machine-$(CONFIG_BF542M) := bf548
45 machine-$(CONFIG_BF544) := bf548
46 machine-$(CONFIG_BF544M) := bf548
47 machine-$(CONFIG_BF547) := bf548
48 machine-$(CONFIG_BF547M) := bf548
49 machine-$(CONFIG_BF548) := bf548
50 machine-$(CONFIG_BF548M) := bf548
51 machine-$(CONFIG_BF549) := bf548
52 machine-$(CONFIG_BF549M) := bf548
53 machine-$(CONFIG_BF561) := bf561
54 MACHINE := $(machine-y)
55 export MACHINE
56
57 cpu-$(CONFIG_BF512) := bf512
58 cpu-$(CONFIG_BF514) := bf514
59 cpu-$(CONFIG_BF516) := bf516
60 cpu-$(CONFIG_BF518) := bf518
61 cpu-$(CONFIG_BF522) := bf522
62 cpu-$(CONFIG_BF523) := bf523
63 cpu-$(CONFIG_BF524) := bf524
64 cpu-$(CONFIG_BF525) := bf525
65 cpu-$(CONFIG_BF526) := bf526
66 cpu-$(CONFIG_BF527) := bf527
67 cpu-$(CONFIG_BF531) := bf531
68 cpu-$(CONFIG_BF532) := bf532
69 cpu-$(CONFIG_BF533) := bf533
70 cpu-$(CONFIG_BF534) := bf534
71 cpu-$(CONFIG_BF536) := bf536
72 cpu-$(CONFIG_BF537) := bf537
73 cpu-$(CONFIG_BF538) := bf538
74 cpu-$(CONFIG_BF539) := bf539
75 cpu-$(CONFIG_BF542) := bf542
76 cpu-$(CONFIG_BF542M) := bf542m
77 cpu-$(CONFIG_BF544) := bf544
78 cpu-$(CONFIG_BF544M) := bf544m
79 cpu-$(CONFIG_BF547) := bf547
80 cpu-$(CONFIG_BF547M) := bf547m
81 cpu-$(CONFIG_BF548) := bf548
82 cpu-$(CONFIG_BF548M) := bf548m
83 cpu-$(CONFIG_BF549) := bf549
84 cpu-$(CONFIG_BF549M) := bf549m
85 cpu-$(CONFIG_BF561) := bf561
86
87 rev-$(CONFIG_BF_REV_0_0) := 0.0
88 rev-$(CONFIG_BF_REV_0_1) := 0.1
89 rev-$(CONFIG_BF_REV_0_2) := 0.2
90 rev-$(CONFIG_BF_REV_0_3) := 0.3
91 rev-$(CONFIG_BF_REV_0_4) := 0.4
92 rev-$(CONFIG_BF_REV_0_5) := 0.5
93 rev-$(CONFIG_BF_REV_0_6) := 0.6
94 rev-$(CONFIG_BF_REV_NONE) := none
95 rev-$(CONFIG_BF_REV_ANY) := any
96
97 KBUILD_CFLAGS += -mcpu=$(cpu-y)-$(rev-y)
98 KBUILD_AFLAGS += -mcpu=$(cpu-y)-$(rev-y)
99
100 # - we utilize the silicon rev from the toolchain, so move it over to the checkflags
101 # - the l1_text attribute is Blackfin specific, so fake it out as used to kill warnings
102 CHECKFLAGS_SILICON = $(shell echo "" | $(CPP) $(KBUILD_CFLAGS) -dD - 2>/dev/null | awk '$$2 == "__SILICON_REVISION__" { print $$3 }')
103 CHECKFLAGS += -D__SILICON_REVISION__=$(CHECKFLAGS_SILICON) -Dl1_text=__used__
104
105 head-y := arch/$(ARCH)/kernel/init_task.o
106
107 core-y += arch/$(ARCH)/kernel/ arch/$(ARCH)/mm/ arch/$(ARCH)/mach-common/
108
109 # If we have a machine-specific directory, then include it in the build.
110 ifneq ($(machine-y),)
111 core-y += arch/$(ARCH)/mach-$(MACHINE)/
112 core-y += arch/$(ARCH)/mach-$(MACHINE)/boards/
113 endif
114
115 ifeq ($(CONFIG_MPU),y)
116 core-y += arch/$(ARCH)/kernel/cplb-mpu/
117 else
118 core-y += arch/$(ARCH)/kernel/cplb-nompu/
119 endif
120
121 drivers-$(CONFIG_OPROFILE) += arch/$(ARCH)/oprofile/
122
123 libs-y += arch/$(ARCH)/lib/
124
125 machdirs := $(patsubst %,arch/blackfin/mach-%/, $(machine-y))
126
127 KBUILD_CFLAGS += -Iarch/$(ARCH)/include/
128 KBUILD_CFLAGS += -Iarch/$(ARCH)/mach-$(MACHINE)/include
129
130 KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs))
131
132 CLEAN_FILES += \
133 arch/$(ARCH)/include/asm/asm-offsets.h \
134 arch/$(ARCH)/kernel/asm-offsets.s \
135
136 archclean:
137 $(Q)$(MAKE) $(clean)=$(boot)
138
139 INSTALL_PATH ?= /tftpboot
140 boot := arch/$(ARCH)/boot
141 BOOT_TARGETS = vmImage vmImage.bin vmImage.bz2 vmImage.gz vmImage.lzma
142 PHONY += $(BOOT_TARGETS) install
143 KBUILD_IMAGE := $(boot)/vmImage
144
145 all: vmImage
146
147 $(BOOT_TARGETS): vmlinux
148 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
149
150 install:
151 $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install
152
153 define archhelp
154 echo '* vmImage - Alias to selected kernel format (vmImage.gz by default)'
155 echo ' vmImage.bin - Uncompressed Kernel-only image for U-Boot (arch/$(ARCH)/boot/vmImage.bin)'
156 echo ' vmImage.bz2 - Kernel-only image for U-Boot (arch/$(ARCH)/boot/vmImage.bz2)'
157 echo '* vmImage.gz - Kernel-only image for U-Boot (arch/$(ARCH)/boot/vmImage.gz)'
158 echo ' vmImage.lzma - Kernel-only image for U-Boot (arch/$(ARCH)/boot/vmImage.lzma)'
159 echo ' install - Install kernel using'
160 echo ' (your) ~/bin/$(INSTALLKERNEL) or'
161 echo ' (distribution) PATH: $(INSTALLKERNEL) or'
162 echo ' install to $$(INSTALL_PATH)'
163 endef