From d9e73a87a9bf30fca8de0578007ae431f18e5434 Mon Sep 17 00:00:00 2001 From: Allen Martin Date: Fri, 31 Aug 2012 08:30:01 +0000 Subject: tegra20: move tegra20 SoC code to arch/arm/cpu/tegra20-common In preparation for splitting out the armv4t code from tegra20, move the tegra20 SoC code to arch/arm/cpu/tegra20-common. This code will be compiled armv4t for the arm7tdmi and armv7 for the cortex A9. Signed-off-by: Allen Martin Acked-by: Stephen Warren Tested-by: Thierry Reding Signed-off-by: Tom Warren --- arch/arm/cpu/tegra20-common/lowlevel_init.S | 42 +++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 arch/arm/cpu/tegra20-common/lowlevel_init.S (limited to 'arch/arm/cpu/tegra20-common/lowlevel_init.S') diff --git a/arch/arm/cpu/tegra20-common/lowlevel_init.S b/arch/arm/cpu/tegra20-common/lowlevel_init.S new file mode 100644 index 0000000..d117f23 --- /dev/null +++ b/arch/arm/cpu/tegra20-common/lowlevel_init.S @@ -0,0 +1,42 @@ +/* + * SoC-specific setup info + * + * (C) Copyright 2010,2011 + * NVIDIA Corporation + * + * 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 + */ + +#include +#include +#include + + .align 5 +ENTRY(reset_cpu) + ldr r1, rstctl @ get addr for global reset + @ reg + ldr r3, [r1] + orr r3, r3, #0x10 + str r3, [r1] @ force reset + mov r0, r0 +_loop_forever: + b _loop_forever +rstctl: + .word PRM_RSTCTRL +ENDPROC(reset_cpu) -- cgit v1.1