[ARM] Add support for arch/arm/mach-*/include and arch/arm/plat-*/include
[deliverable/linux.git] / arch / arm / Makefile
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1#
2# arch/arm/Makefile
3#
4# This file is included by the global makefile so that you can add your own
5# architecture-specific flags and dependencies.
6#
7# This file is subject to the terms and conditions of the GNU General Public
8# License. See the file "COPYING" in the main directory of this archive
9# for more details.
10#
11# Copyright (C) 1995-2001 by Russell King
12
13LDFLAGS_vmlinux :=-p --no-undefined -X
14CPPFLAGS_vmlinux.lds = -DTEXT_OFFSET=$(TEXT_OFFSET)
15OBJCOPYFLAGS :=-O binary -R .note -R .note.gnu.build-id -R .comment -S
16GZFLAGS :=-9
17#KBUILD_CFLAGS +=-pipe
18# Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb:
19KBUILD_CFLAGS +=$(call cc-option,-marm,)
20
21# Do not use arch/arm/defconfig - it's always outdated.
22# Select a platform tht is kept up-to-date
23KBUILD_DEFCONFIG := versatile_defconfig
24
25# defines filename extension depending memory manement type.
26ifeq ($(CONFIG_MMU),)
27MMUEXT := -nommu
28endif
29
30ifeq ($(CONFIG_FRAME_POINTER),y)
31KBUILD_CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog
32endif
33
34ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
35KBUILD_CPPFLAGS += -mbig-endian
36AS += -EB
37LD += -EB
38else
39KBUILD_CPPFLAGS += -mlittle-endian
40AS += -EL
41LD += -EL
42endif
43
44comma = ,
45
46# This selects which instruction set is used.
47# Note that GCC does not numerically define an architecture version
48# macro, but instead defines a whole series of macros which makes
49# testing for a specific architecture or later rather impossible.
50arch-$(CONFIG_CPU_32v7) :=-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7a,-march=armv5t -Wa$(comma)-march=armv7a)
51arch-$(CONFIG_CPU_32v6) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6)
52# Only override the compiler option if ARMv6. The ARMv6K extensions are
53# always available in ARMv7
54ifeq ($(CONFIG_CPU_32v6),y)
55arch-$(CONFIG_CPU_32v6K) :=-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k)
56endif
57arch-$(CONFIG_CPU_32v5) :=-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t)
58arch-$(CONFIG_CPU_32v4T) :=-D__LINUX_ARM_ARCH__=4 -march=armv4t
59arch-$(CONFIG_CPU_32v4) :=-D__LINUX_ARM_ARCH__=4 -march=armv4
60arch-$(CONFIG_CPU_32v3) :=-D__LINUX_ARM_ARCH__=3 -march=armv3
61
62# This selects how we optimise for the processor.
63tune-$(CONFIG_CPU_ARM610) :=-mtune=arm610
64tune-$(CONFIG_CPU_ARM710) :=-mtune=arm710
65tune-$(CONFIG_CPU_ARM7TDMI) :=-mtune=arm7tdmi
66tune-$(CONFIG_CPU_ARM720T) :=-mtune=arm7tdmi
67tune-$(CONFIG_CPU_ARM740T) :=-mtune=arm7tdmi
68tune-$(CONFIG_CPU_ARM9TDMI) :=-mtune=arm9tdmi
69tune-$(CONFIG_CPU_ARM940T) :=-mtune=arm9tdmi
70tune-$(CONFIG_CPU_ARM946E) :=$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi)
71tune-$(CONFIG_CPU_ARM920T) :=-mtune=arm9tdmi
72tune-$(CONFIG_CPU_ARM922T) :=-mtune=arm9tdmi
73tune-$(CONFIG_CPU_ARM925T) :=-mtune=arm9tdmi
74tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi
75tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
76tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
77tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
78tune-$(CONFIG_CPU_XSC3) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
79tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
80
81ifeq ($(CONFIG_AEABI),y)
82CFLAGS_ABI :=-mabi=aapcs-linux -mno-thumb-interwork
83else
84CFLAGS_ABI :=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) $(call cc-option,-mno-thumb-interwork,)
85endif
86
87# Need -Uarm for gcc < 3.x
88KBUILD_CFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) -msoft-float -Uarm
89KBUILD_AFLAGS +=$(CFLAGS_ABI) $(arch-y) $(tune-y) -msoft-float
90
91CHECKFLAGS += -D__arm__
92
93#Default value
94head-y := arch/arm/kernel/head$(MMUEXT).o arch/arm/kernel/init_task.o
95textofs-y := 0x00008000
96
97 machine-$(CONFIG_ARCH_RPC) := rpc
98 machine-$(CONFIG_ARCH_EBSA110) := ebsa110
99 machine-$(CONFIG_ARCH_CLPS7500) := clps7500
100 incdir-$(CONFIG_ARCH_CLPS7500) := cl7500
101 machine-$(CONFIG_FOOTBRIDGE) := footbridge
102 incdir-$(CONFIG_FOOTBRIDGE) := ebsa285
103 machine-$(CONFIG_ARCH_SHARK) := shark
104 machine-$(CONFIG_ARCH_SA1100) := sa1100
105ifeq ($(CONFIG_ARCH_SA1100),y)
106# SA1111 DMA bug: we don't want the kernel to live in precious DMA-able memory
107 textofs-$(CONFIG_SA1111) := 0x00208000
108endif
109 machine-$(CONFIG_ARCH_PXA) := pxa
110 machine-$(CONFIG_ARCH_L7200) := l7200
111 machine-$(CONFIG_ARCH_INTEGRATOR) := integrator
112 textofs-$(CONFIG_ARCH_CLPS711X) := 0x00028000
113 machine-$(CONFIG_ARCH_CLPS711X) := clps711x
114 machine-$(CONFIG_ARCH_IOP32X) := iop32x
115 machine-$(CONFIG_ARCH_IOP33X) := iop33x
116 machine-$(CONFIG_ARCH_IOP13XX) := iop13xx
117 plat-$(CONFIG_PLAT_IOP) := iop
118 machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
119 machine-$(CONFIG_ARCH_IXP2000) := ixp2000
120 machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx
121 machine-$(CONFIG_ARCH_OMAP1) := omap1
122 machine-$(CONFIG_ARCH_OMAP2) := omap2
123 incdir-$(CONFIG_ARCH_OMAP) := omap
124 plat-$(CONFIG_ARCH_OMAP) := omap
125 machine-$(CONFIG_ARCH_S3C2410) := s3c2410 s3c2400 s3c2412 s3c2440 s3c2442 s3c2443
126 plat-$(CONFIG_PLAT_S3C24XX) := s3c24xx
127 machine-$(CONFIG_ARCH_LH7A40X) := lh7a40x
128 machine-$(CONFIG_ARCH_VERSATILE) := versatile
129 machine-$(CONFIG_ARCH_IMX) := imx
130 machine-$(CONFIG_ARCH_H720X) := h720x
131 machine-$(CONFIG_ARCH_AAEC2000) := aaec2000
132 machine-$(CONFIG_ARCH_REALVIEW) := realview
133 machine-$(CONFIG_ARCH_AT91) := at91
134 machine-$(CONFIG_ARCH_EP93XX) := ep93xx
135 machine-$(CONFIG_ARCH_PNX4008) := pnx4008
136 machine-$(CONFIG_ARCH_NETX) := netx
137 machine-$(CONFIG_ARCH_NS9XXX) := ns9xxx
138 machine-$(CONFIG_ARCH_DAVINCI) := davinci
139 machine-$(CONFIG_ARCH_KIRKWOOD) := kirkwood
140 machine-$(CONFIG_ARCH_KS8695) := ks8695
141 incdir-$(CONFIG_ARCH_MXC) := mxc
142 plat-$(CONFIG_ARCH_MXC) := mxc
143 machine-$(CONFIG_ARCH_MX2) := mx2
144 machine-$(CONFIG_ARCH_MX3) := mx3
145 machine-$(CONFIG_ARCH_ORION5X) := orion5x
146 plat-$(CONFIG_PLAT_ORION) := orion
147 machine-$(CONFIG_ARCH_MSM7X00A) := msm
148 machine-$(CONFIG_ARCH_LOKI) := loki
149 machine-$(CONFIG_ARCH_MV78XX0) := mv78xx0
150
151ifeq ($(CONFIG_ARCH_EBSA110),y)
152# This is what happens if you forget the IOCS16 line.
153# PCMCIA cards stop working.
154CFLAGS_3c589_cs.o :=-DISA_SIXTEEN_BIT_PERIPHERAL
155export CFLAGS_3c589_cs.o
156endif
157
158# The byte offset of the kernel image in RAM from the start of RAM.
159TEXT_OFFSET := $(textofs-y)
160
161ifeq ($(incdir-y),)
162incdir-y := $(word 1,$(machine-y))
163endif
164INCDIR := arch-$(incdir-y)
165
166# The first directory contains additional information for the boot setup code
167ifneq ($(machine-y),)
168MACHINE := arch/arm/mach-$(word 1,$(machine-y))/
169else
170MACHINE :=
171endif
172
173machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
174platdirs := $(patsubst %,arch/arm/plat-%/,$(plat-y))
175
176ifeq ($(KBUILD_SRC),)
177KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(machdirs) $(platdirs))
178else
179KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs) $(platdirs))
180endif
181
182export TEXT_OFFSET GZFLAGS MMUEXT
183
184# Do we have FASTFPE?
185FASTFPE :=arch/arm/fastfpe
186ifeq ($(FASTFPE),$(wildcard $(FASTFPE)))
187FASTFPE_OBJ :=$(FASTFPE)/
188endif
189
190# If we have a machine-specific directory, then include it in the build.
191core-y += arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
192core-y += $(machdirs) $(platdirs)
193core-$(CONFIG_FPE_NWFPE) += arch/arm/nwfpe/
194core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ)
195core-$(CONFIG_VFP) += arch/arm/vfp/
196
197drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/
198
199libs-y := arch/arm/lib/ $(libs-y)
200
201# Default target when executing plain make
202ifeq ($(CONFIG_XIP_KERNEL),y)
203KBUILD_IMAGE := xipImage
204else
205KBUILD_IMAGE := zImage
206endif
207
208all: $(KBUILD_IMAGE)
209
210boot := arch/arm/boot
211
212# Update machine arch and proc symlinks if something which affects
213# them changed. We use .arch to indicate when they were updated
214# last, otherwise make uses the target directory mtime.
215
216include/asm-arm/.arch: $(wildcard include/config/arch/*.h) include/config/auto.conf
217 @echo ' SYMLINK include/asm-arm/arch -> include/asm-arm/$(INCDIR)'
218ifneq ($(KBUILD_SRC),)
219 $(Q)mkdir -p include/asm-arm
220 $(Q)ln -fsn $(srctree)/include/asm-arm/$(INCDIR) include/asm-arm/arch
221else
222 $(Q)ln -fsn $(INCDIR) include/asm-arm/arch
223endif
224 @touch $@
225
226archprepare: maketools
227
228PHONY += maketools FORCE
229maketools: include/linux/version.h include/asm-arm/.arch FORCE
230 $(Q)$(MAKE) $(build)=arch/arm/tools include/asm-arm/mach-types.h
231
232# Convert bzImage to zImage
233bzImage: zImage
234
235zImage Image xipImage bootpImage uImage: vmlinux
236 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
237
238zinstall install: vmlinux
239 $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
240
241CLEAN_FILES += include/asm-arm/mach-types.h \
242 include/asm-arm/arch include/asm-arm/.arch
243
244# We use MRPROPER_FILES and CLEAN_FILES now
245archclean:
246 $(Q)$(MAKE) $(clean)=$(boot)
247
248# My testing targets (bypasses dependencies)
249bp:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/bootpImage
250i zi:; $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
251
252
253define archhelp
254 echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
255 echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
256 echo '* xipImage - XIP kernel image, if configured (arch/$(ARCH)/boot/xipImage)'
257 echo ' uImage - U-Boot wrapped zImage'
258 echo ' bootpImage - Combined zImage and initial RAM disk'
259 echo ' (supply initrd image via make variable INITRD=<path>)'
260 echo ' install - Install uncompressed kernel'
261 echo ' zinstall - Install compressed kernel'
262 echo ' Install using (your) ~/bin/installkernel or'
263 echo ' (distribution) /sbin/installkernel or'
264 echo ' install to $$(INSTALL_PATH) and run lilo'
265endef
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