xref: /openbmc/u-boot/arch/powerpc/config.mk (revision fea25720) 
1#
2# (C) Copyright 2000-2010
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
24CROSS_COMPILE ?= ppc_8xx-
25
26CONFIG_STANDALONE_LOAD_ADDR ?= 0x40000
27LDFLAGS_FINAL += --gc-sections
28PLATFORM_RELFLAGS += -fpic -mrelocatable -ffunction-sections -fdata-sections
29PLATFORM_RELFLAGS += $(call cc-option,-msingle-pic-base,)
30PLATFORM_RELFLAGS += $(call cc-option,-fno-jump-tables,)
31PLATFORM_CPPFLAGS += -DCONFIG_PPC -D__powerpc__
32PLATFORM_LDFLAGS  += -n
33
34ifdef CONFIG_SYS_LDSCRIPT
35# need to strip off double quotes
36LDSCRIPT := $(subst ",,$(CONFIG_SYS_LDSCRIPT))
37else ifdef CONFIG_NAND_SPL
38LDSCRIPT := $(SRCTREE)/$(CONFIG_BOARDDIR)/u-boot-nand.lds
39else
40ifneq ($(wildcard $(SRCTREE)/arch/powerpc/cpu/$(CPU)/u-boot.lds),)
41LDSCRIPT := $(SRCTREE)/arch/powerpc/cpu/$(CPU)/u-boot.lds
42endif
43endif
44
45#
46# When cross-compiling on NetBSD, we have to define __PPC__ or else we
47# will pick up a va_list declaration that is incompatible with the
48# actual argument lists emitted by the compiler.
49#
50# [Tested on NetBSD/i386 1.5 + cross-powerpc-netbsd-1.3]
51
52ifeq ($(CROSS_COMPILE),powerpc-netbsd-)
53PLATFORM_CPPFLAGS+= -D__PPC__
54endif
55ifeq ($(CROSS_COMPILE),powerpc-openbsd-)
56PLATFORM_CPPFLAGS+= -D__PPC__
57endif
58