Fix 440GR to print correct cpu revision
[people/ms/u-boot.git] / config.mk
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1#
2# (C) Copyright 2000
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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26# clean the slate ...
27PLATFORM_RELFLAGS =
28PLATFORM_CPPFLAGS =
29PLATFORM_LDFLAGS =
30
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31#
32# When cross-compiling on NetBSD, we have to define __PPC__ or else we
33# will pick up a va_list declaration that is incompatible with the
34# actual argument lists emitted by the compiler.
35#
36# [Tested on NetBSD/i386 1.5 + cross-powerpc-netbsd-1.3]
37
38ifeq ($(ARCH),ppc)
39ifeq ($(CROSS_COMPILE),powerpc-netbsd-)
40PLATFORM_CPPFLAGS+= -D__PPC__
41endif
42ifeq ($(CROSS_COMPILE),powerpc-openbsd-)
43PLATFORM_CPPFLAGS+= -D__PPC__
44endif
45endif
46
47ifeq ($(ARCH),arm)
48ifeq ($(CROSS_COMPILE),powerpc-netbsd-)
49PLATFORM_CPPFLAGS+= -D__ARM__
50endif
51ifeq ($(CROSS_COMPILE),powerpc-openbsd-)
52PLATFORM_CPPFLAGS+= -D__ARM__
53endif
54endif
55
56ifdef ARCH
57sinclude $(TOPDIR)/$(ARCH)_config.mk # include architecture dependend rules
58endif
59ifdef CPU
60sinclude $(TOPDIR)/cpu/$(CPU)/config.mk # include CPU specific rules
61endif
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62ifdef SOC
63sinclude $(TOPDIR)/cpu/$(CPU)/$(SOC)/config.mk # include SoC specific rules
64endif
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65ifdef VENDOR
66BOARDDIR = $(VENDOR)/$(BOARD)
67else
68BOARDDIR = $(BOARD)
69endif
70ifdef BOARD
71sinclude $(TOPDIR)/board/$(BOARDDIR)/config.mk # include board specific rules
72endif
73
74#########################################################################
75
76CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
77 else if [ -x /bin/bash ]; then echo /bin/bash; \
78 else echo sh; fi ; fi)
79
80ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc)
81HOSTCC = cc
82else
83HOSTCC = gcc
84endif
85HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
86HOSTSTRIP = strip
87
88#########################################################################
89
90#
91# Include the make variables (CC, etc...)
92#
93AS = $(CROSS_COMPILE)as
94LD = $(CROSS_COMPILE)ld
95CC = $(CROSS_COMPILE)gcc
96CPP = $(CC) -E
97AR = $(CROSS_COMPILE)ar
98NM = $(CROSS_COMPILE)nm
99STRIP = $(CROSS_COMPILE)strip
100OBJCOPY = $(CROSS_COMPILE)objcopy
101OBJDUMP = $(CROSS_COMPILE)objdump
102RANLIB = $(CROSS_COMPILE)RANLIB
103
104RELFLAGS= $(PLATFORM_RELFLAGS)
105DBGFLAGS= -g #-DDEBUG
106OPTFLAGS= -Os #-fomit-frame-pointer
6dd652fa 107ifndef LDSCRIPT
4aeb251f 108#LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
e2211743 109LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds
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110endif
111OBJCFLAGS += --gap-fill=0xff
e2211743 112
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113gccincdir := $(shell $(CC) -print-file-name=include)
114
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115CPPFLAGS := $(DBGFLAGS) $(OPTFLAGS) $(RELFLAGS) \
116 -D__KERNEL__ -DTEXT_BASE=$(TEXT_BASE) \
117 -I$(TOPDIR)/include \
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118 -fno-builtin -ffreestanding -nostdinc -isystem \
119 $(gccincdir) -pipe $(PLATFORM_CPPFLAGS)
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120
121ifdef BUILD_TAG
122CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes \
123 -DBUILD_TAG='"$(BUILD_TAG)"'
124else
125CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes
126endif
127
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128# avoid trigraph warnings while parsing pci.h (produced by NIOS gcc-2.9)
129# this option have to be placed behind -Wall -- that's why it is here
130ifeq ($(ARCH),nios)
131ifeq ($(findstring 2.9,$(shell $(CC) --version)),2.9)
e4cc71aa 132CFLAGS := $(CPPFLAGS) -Wall -Wno-trigraphs
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133endif
134endif
135
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136AFLAGS_DEBUG := -Wa,-gstabs
137AFLAGS := $(AFLAGS_DEBUG) -D__ASSEMBLY__ $(CPPFLAGS)
138
7f6c2cbc 139LDFLAGS += -Bstatic -T $(LDSCRIPT) -Ttext $(TEXT_BASE) $(PLATFORM_LDFLAGS)
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140
141# Location of a usable BFD library, where we define "usable" as
142# "built for ${HOST}, supports ${TARGET}". Sensible values are
143# - When cross-compiling: the root of the cross-environment
144# - Linux/ppc (native): /usr
145# - NetBSD/ppc (native): you lose ... (must extract these from the
146# binutils build directory, plus the native and U-Boot include
147# files don't like each other)
148#
149# So far, this is used only by tools/gdb/Makefile.
150
151ifeq ($(HOSTOS)-$(HOSTARCH),darwin-ppc)
152BFD_ROOT_DIR = /usr/local/tools
153else
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154ifeq ($(HOSTARCH),$(ARCH))
155# native
156BFD_ROOT_DIR = /usr
157else
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158#BFD_ROOT_DIR = /LinuxPPC/CDK # Linux/i386
159#BFD_ROOT_DIR = /usr/pkg/cross # NetBSD/i386
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160BFD_ROOT_DIR = /opt/powerpc
161endif
ea909b76 162endif
e2211743 163
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164ifeq ($(PCI_CLOCK),PCI_66M)
165CFLAGS := $(CFLAGS) -DPCI_66M
166endif
167
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168#########################################################################
169
170export CONFIG_SHELL HPATH HOSTCC HOSTCFLAGS CROSS_COMPILE \
171 AS LD CC CPP AR NM STRIP OBJCOPY OBJDUMP \
172 MAKE
173export TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS
174
175#########################################################################
176
177%.s: %.S
178 $(CPP) $(AFLAGS) -o $@ $(CURDIR)/$<
179%.o: %.S
180 $(CC) $(AFLAGS) -c -o $@ $(CURDIR)/$<
181%.o: %.c
182 $(CC) $(CFLAGS) -c -o $@ $<
183
184#########################################################################