pxa: fix previous definition on cpu init
[people/ms/u-boot.git] / config.mk
CommitLineData
e2211743 1#
f9328639 2# (C) Copyright 2000-2006
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3# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4#
5# See file CREDITS for list of people who contributed to this
6# project.
7#
8# This program is free software; you can redistribute it and/or
9# modify it under the terms of the GNU General Public License as
10# published by the Free Software Foundation; either version 2 of
11# the License, or (at your option) any later version.
12#
13# This program is distributed in the hope that it will be useful,
14# but WITHOUT ANY WARRANTY; without even the implied warranty of
15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16# GNU General Public License for more details.
17#
18# You should have received a copy of the GNU General Public License
19# along with this program; if not, write to the Free Software
20# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21# MA 02111-1307 USA
22#
23
24#########################################################################
25
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26ifneq ($(OBJTREE),$(SRCTREE))
27ifeq ($(CURDIR),$(SRCTREE))
511d0c72 28dir :=
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29else
30dir := $(subst $(SRCTREE)/,,$(CURDIR))
31endif
32
33obj := $(if $(dir),$(OBJTREE)/$(dir)/,$(OBJTREE)/)
34src := $(if $(dir),$(SRCTREE)/$(dir)/,$(SRCTREE)/)
35
36$(shell mkdir -p $(obj))
37else
38obj :=
39src :=
40endif
41
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42# clean the slate ...
43PLATFORM_RELFLAGS =
44PLATFORM_CPPFLAGS =
45PLATFORM_LDFLAGS =
46
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47#
48# When cross-compiling on NetBSD, we have to define __PPC__ or else we
49# will pick up a va_list declaration that is incompatible with the
50# actual argument lists emitted by the compiler.
51#
52# [Tested on NetBSD/i386 1.5 + cross-powerpc-netbsd-1.3]
53
54ifeq ($(ARCH),ppc)
55ifeq ($(CROSS_COMPILE),powerpc-netbsd-)
56PLATFORM_CPPFLAGS+= -D__PPC__
57endif
58ifeq ($(CROSS_COMPILE),powerpc-openbsd-)
59PLATFORM_CPPFLAGS+= -D__PPC__
60endif
61endif
62
63ifeq ($(ARCH),arm)
64ifeq ($(CROSS_COMPILE),powerpc-netbsd-)
65PLATFORM_CPPFLAGS+= -D__ARM__
66endif
67ifeq ($(CROSS_COMPILE),powerpc-openbsd-)
68PLATFORM_CPPFLAGS+= -D__ARM__
69endif
70endif
71
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72# Load generated board configuration
73sinclude $(OBJTREE)/include/autoconf.mk
74
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75ifdef ARCH
76sinclude $(TOPDIR)/$(ARCH)_config.mk # include architecture dependend rules
77endif
78ifdef CPU
79sinclude $(TOPDIR)/cpu/$(CPU)/config.mk # include CPU specific rules
80endif
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81ifdef SOC
82sinclude $(TOPDIR)/cpu/$(CPU)/$(SOC)/config.mk # include SoC specific rules
83endif
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84ifdef VENDOR
85BOARDDIR = $(VENDOR)/$(BOARD)
86else
87BOARDDIR = $(BOARD)
88endif
89ifdef BOARD
90sinclude $(TOPDIR)/board/$(BOARDDIR)/config.mk # include board specific rules
91endif
2f155f6c 92
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93#########################################################################
94
95CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
96 else if [ -x /bin/bash ]; then echo /bin/bash; \
97 else echo sh; fi ; fi)
98
99ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc)
100HOSTCC = cc
101else
102HOSTCC = gcc
103endif
104HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
105HOSTSTRIP = strip
106
107#########################################################################
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108#
109# Option checker (courtesy linux kernel) to ensure
110# only supported compiler options are used
111#
112cc-option = $(shell if $(CC) $(CFLAGS) $(1) -S -o /dev/null -xc /dev/null \
9b880bd4 113 > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)
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114
115#
116# Include the make variables (CC, etc...)
117#
118AS = $(CROSS_COMPILE)as
119LD = $(CROSS_COMPILE)ld
120CC = $(CROSS_COMPILE)gcc
121CPP = $(CC) -E
122AR = $(CROSS_COMPILE)ar
123NM = $(CROSS_COMPILE)nm
94a91e24 124LDR = $(CROSS_COMPILE)ldr
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125STRIP = $(CROSS_COMPILE)strip
126OBJCOPY = $(CROSS_COMPILE)objcopy
127OBJDUMP = $(CROSS_COMPILE)objdump
128RANLIB = $(CROSS_COMPILE)RANLIB
129
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130ifneq (,$(findstring s,$(MAKEFLAGS)))
131ARFLAGS = cr
132else
2b208f53 133ARFLAGS = crv
1954be6e 134endif
e2211743 135RELFLAGS= $(PLATFORM_RELFLAGS)
9acb626f 136DBGFLAGS= -g # -DDEBUG
e2211743 137OPTFLAGS= -Os #-fomit-frame-pointer
6dd652fa 138ifndef LDSCRIPT
4aeb251f 139#LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
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140ifeq ($(CONFIG_NAND_U_BOOT),y)
141LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds
142else
e2211743 143LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds
6dd652fa 144endif
887e2ec9 145endif
6dd652fa 146OBJCFLAGS += --gap-fill=0xff
e2211743 147
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148gccincdir := $(shell $(CC) -print-file-name=include)
149
e2211743 150CPPFLAGS := $(DBGFLAGS) $(OPTFLAGS) $(RELFLAGS) \
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151 -D__KERNEL__
152ifneq ($(TEXT_BASE),)
153CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE)
154endif
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155
156ifneq ($(OBJTREE),$(SRCTREE))
157CPPFLAGS += -I$(OBJTREE)/include2 -I$(OBJTREE)/include
158endif
159
160CPPFLAGS += -I$(TOPDIR)/include
161CPPFLAGS += -fno-builtin -ffreestanding -nostdinc \
162 -isystem $(gccincdir) -pipe $(PLATFORM_CPPFLAGS)
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163
164ifdef BUILD_TAG
165CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes \
166 -DBUILD_TAG='"$(BUILD_TAG)"'
167else
168CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes
169endif
170
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171# avoid trigraph warnings while parsing pci.h (produced by NIOS gcc-2.9)
172# this option have to be placed behind -Wall -- that's why it is here
173ifeq ($(ARCH),nios)
174ifeq ($(findstring 2.9,$(shell $(CC) --version)),2.9)
e4cc71aa 175CFLAGS := $(CPPFLAGS) -Wall -Wno-trigraphs
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176endif
177endif
178
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179# $(CPPFLAGS) sets -g, which causes gcc to pass a suitable -g<format>
180# option to the assembler.
181AFLAGS_DEBUG :=
b62fa913 182
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183# turn jbsr into jsr for m68k
184ifeq ($(ARCH),m68k)
185ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4)
186AFLAGS_DEBUG := -Wa,-gstabs,-S
187endif
483a0cf8 188endif
b62fa913 189
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190AFLAGS := $(AFLAGS_DEBUG) -D__ASSEMBLY__ $(CPPFLAGS)
191
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192LDFLAGS += -Bstatic -T $(LDSCRIPT) $(PLATFORM_LDFLAGS)
193ifneq ($(TEXT_BASE),)
194LDFLAGS += -Ttext $(TEXT_BASE)
195endif
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196
197# Location of a usable BFD library, where we define "usable" as
198# "built for ${HOST}, supports ${TARGET}". Sensible values are
199# - When cross-compiling: the root of the cross-environment
200# - Linux/ppc (native): /usr
201# - NetBSD/ppc (native): you lose ... (must extract these from the
202# binutils build directory, plus the native and U-Boot include
203# files don't like each other)
204#
205# So far, this is used only by tools/gdb/Makefile.
206
207ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc)
208BFD_ROOT_DIR = /usr/local/tools
209else
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210ifeq ($(HOSTARCH),$(ARCH))
211# native
212BFD_ROOT_DIR = /usr
213else
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214#BFD_ROOT_DIR = /LinuxPPC/CDK # Linux/i386
215#BFD_ROOT_DIR = /usr/pkg/cross # NetBSD/i386
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216BFD_ROOT_DIR = /opt/powerpc
217endif
ea909b76 218endif
e2211743 219
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220ifeq ($(PCI_CLOCK),PCI_66M)
221CFLAGS := $(CFLAGS) -DPCI_66M
222endif
223
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224#########################################################################
225
226export CONFIG_SHELL HPATH HOSTCC HOSTCFLAGS CROSS_COMPILE \
227 AS LD CC CPP AR NM STRIP OBJCOPY OBJDUMP \
228 MAKE
229export TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS
230
231#########################################################################
232
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233ifndef REMOTE_BUILD
234
e2211743 235%.s: %.S
f9328639 236 $(CPP) $(AFLAGS) -o $@ $<
e2211743 237%.o: %.S
f9328639 238 $(CC) $(AFLAGS) -c -o $@ $<
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239%.o: %.c
240 $(CC) $(CFLAGS) -c -o $@ $<
241
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242else
243
244$(obj)%.s: %.S
245 $(CPP) $(AFLAGS) -o $@ $<
246$(obj)%.o: %.S
247 $(CC) $(AFLAGS) -c -o $@ $<
248$(obj)%.o: %.c
249 $(CC) $(CFLAGS) -c -o $@ $<
250endif
251
e2211743 252#########################################################################