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wdenk39f0e5f2002-08-14 20:30:46 +00001#
2# (C) Copyright 2000-2002
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
Mike Frysinger1ea6bcd2009-06-14 23:33:14 -040024CROSS_COMPILE ?= arm-linux-
25
Mike Frysinger262ae0a2009-09-03 23:12:47 -040026ifeq ($(BOARD),omap2420h4)
27STANDALONE_LOAD_ADDR = 0x80300000
28else
29ifeq ($(SOC),omap3)
30STANDALONE_LOAD_ADDR = 0x80300000
31else
32STANDALONE_LOAD_ADDR = 0xc100000
33endif
34endif
35
wdenk39f0e5f2002-08-14 20:30:46 +000036PLATFORM_CPPFLAGS += -DCONFIG_ARM -D__ARM__
Jean-Christophe PLAGNIOL-VILLARD10a451c2009-05-08 20:24:12 +020037
Wolfgang Denkf772acf2009-08-17 13:17:29 +020038# Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb:
39PLATFORM_CPPFLAGS += $(call cc-option,-marm,)
40
41# Try if EABI is supported, else fall back to old API,
42# i. e. for example:
43# - with ELDK 4.2 (EABI supported), use:
44# -mabi=aapcs-linux -mno-thumb-interwork
45# - with ELDK 4.1 (gcc 4.x, no EABI), use:
46# -mabi=apcs-gnu -mno-thumb-interwork
47# - with ELDK 3.1 (gcc 3.x), use:
48# -mapcs-32 -mno-thumb-interwork
49PLATFORM_CPPFLAGS += $(call cc-option,\
50 -mabi=aapcs-linux -mno-thumb-interwork,\
51 $(call cc-option,\
52 -mapcs-32,\
53 $(call cc-option,\
54 -mabi=apcs-gnu,\
55 )\
56 ) $(call cc-option,-mno-thumb-interwork,)\
57 )
58
59# For EABI, make sure to provide raise()
60ifneq (,$(findstring -mabi=aapcs-linux,$(PLATFORM_CPPFLAGS)))
61# This file is parsed several times; make sure to add only once.
Peter Tyserea0364f2010-04-12 22:28:04 -050062ifeq (,$(findstring arch/arm/lib/eabi_compat.o,$(PLATFORM_LIBS)))
63PLATFORM_LIBS += $(OBJTREE)/arch/arm/lib/eabi_compat.o
Wolfgang Denkf772acf2009-08-17 13:17:29 +020064endif
65endif
Peter Tyser03b70042010-04-12 22:28:02 -050066LDSCRIPT := $(SRCTREE)/$(CPUDIR)/u-boot.lds
Albert Aribaud92d5ecb2010-10-11 13:13:28 +020067
Albert Aribaud92d5ecb2010-10-11 13:13:28 +020068# needed for relocation
Heiko Schocher97105042010-10-11 14:08:14 +020069ifndef CONFIG_NAND_SPL
Stefano Babica4594e42011-01-27 06:03:49 +000070LDFLAGS_u-boot += -pie
Albert Aribaud92d5ecb2010-10-11 13:13:28 +020071endif