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Diffstat (limited to 'cpu/arm1136/omap24xx/start.S')
| -rw-r--r-- | cpu/arm1136/omap24xx/start.S | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/cpu/arm1136/omap24xx/start.S b/cpu/arm1136/omap24xx/start.S new file mode 100644 index 0000000..d6cefbd --- /dev/null +++ b/cpu/arm1136/omap24xx/start.S @@ -0,0 +1,42 @@ +/* + * armboot - Startup Code for OMP2420/ARM1136 CPU-core + * + * Copyright (c) 2004 Texas Instruments <r-woodruff2@ti.com> + * + * Copyright (c) 2001 Marius Gröger <mag@sysgo.de> + * Copyright (c) 2002 Alex Züpke <azu@sysgo.de> + * Copyright (c) 2002 Gary Jennejohn <gj@denx.de> + * Copyright (c) 2003 Richard Woodruff <r-woodruff2@ti.com> + * Copyright (c) 2003 Kshitij <kshitij@ti.com> + * + * 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 <asm/arch/omap2420.h> + +.globl reset_cpu +reset_cpu: + ldr r1, rstctl /* get addr for global reset reg */ + mov r3, #0x2 /* full reset pll+mpu */ + str r3, [r1] /* force reset */ + mov r0, r0 +_loop_forever: + b _loop_forever +rstctl: + .word PM_RSTCTRL_WKUP |