u-boot/arch/arm/cpu/armv7/tegra2/config.mk

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#
# (C) Copyright 2010,2011
# NVIDIA Corporation <www.nvidia.com>
#
# (C) Copyright 2002
# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
#
# See file CREDITS for list of people who contributed to this
# project.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
# Tegra has an ARMv4T CPU which runs board_init_f(), so we must build this
# file with compatible flags
ifdef CONFIG_TEGRA2
CFLAGS_arch/arm/lib/board.o += -march=armv4t
endif
USE_PRIVATE_LIBGCC = yes
CONFIG_ARCH_DEVICE_TREE := tegra20