diff options
Diffstat (limited to 'cpu/arm926ejs/mx28/reset.S')
| -rw-r--r-- | cpu/arm926ejs/mx28/reset.S | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/cpu/arm926ejs/mx28/reset.S b/cpu/arm926ejs/mx28/reset.S new file mode 100644 index 000000000..324c384c9 --- /dev/null +++ b/cpu/arm926ejs/mx28/reset.S @@ -0,0 +1,43 @@ +/* + * Processor reset for Freescale MX28 SoC. + * + * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net> + * + * ----------------------------------------------------- + * + * 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 + */ + +.globl reset_cpu +reset_cpu: + ldr r0, POWER_CHARGE + mov r1, #0x0 + str r1, [r0] + ldr r0, POWER_MINPWR + str r1, [r0] + ldr r0, CLKCTRL_RESET + mov r1, #0x1 + str r1, [r0] +_loop_forever: + b _loop_forever + +POWER_MINPWR: + .word 0x80044020 +POWER_CHARGE: + .word 0x80044030 +CLKCTRL_RESET: + .word 0x80040120 + |