Latest rmobile code was tested by using old gcc (gcc-4.4). When we use gcc-4.6 (or later), the build is made, but does not work. This solves a problem not to work by add -march=armv5 to compiple option when we built in gcc-4.6 (or later). I tested by linaro's compiler version 2012.04-20120426.
Signed-off-by: Nobuhiro Iwamatsu nobuhiro.iwamatsu.yj@renesas.com Signed-off-by: Nobuhiro Iwamatsu iwamatsu@nigauri.org ---
v2: does not remove wfi orderi, use an instruction code instead.
arch/arm/cpu/armv7/rmobile/config.mk | 26 ++++++++++++++++++++++++++ arch/arm/cpu/armv7/rmobile/lowlevel_init.S | 2 +- 2 files changed, 27 insertions(+), 1 deletion(-) create mode 100644 arch/arm/cpu/armv7/rmobile/config.mk
diff --git a/arch/arm/cpu/armv7/rmobile/config.mk b/arch/arm/cpu/armv7/rmobile/config.mk new file mode 100644 index 0000000..1da0227 --- /dev/null +++ b/arch/arm/cpu/armv7/rmobile/config.mk @@ -0,0 +1,26 @@ +# +# (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 +# +PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float + +# Make ARMv5 to allow more compilers to work, even though its v7a. +PLATFORM_CPPFLAGS += -march=armv5 diff --git a/arch/arm/cpu/armv7/rmobile/lowlevel_init.S b/arch/arm/cpu/armv7/rmobile/lowlevel_init.S index 4f2ed02..30bbef0 100644 --- a/arch/arm/cpu/armv7/rmobile/lowlevel_init.S +++ b/arch/arm/cpu/armv7/rmobile/lowlevel_init.S @@ -49,7 +49,7 @@ wait_interrupt: str r2, [r1]
wait_loop: - wfi + .long 0xE320F003 /* wfi */
ldr r2, [r1, #0xC] str r2, [r1, #0x10]