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1 | /* |
2 | * (C) Copyright 2007-2008 | |
3 | * Stelian Pop <stelian@popies.net> | |
4 | * Lead Tech Design <www.leadtechdesign.com> | |
5 | * | |
6 | * (C) Copyright 2013 | |
7 | * Bo Shen <voice.shen@atmel.com> | |
8 | * | |
9 | * See file CREDITS for list of people who contributed to this | |
10 | * project. | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or | |
13 | * modify it under the terms of the GNU General Public License as | |
14 | * published by the Free Software Foundation; either version 2 of | |
15 | * the License, or (at your option) any later version. | |
16 | * | |
17 | * This program is distributed in the hope that it will be useful, | |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | * GNU General Public License for more details. | |
21 | * | |
22 | * You should have received a copy of the GNU General Public License | |
23 | * along with this program; if not, write to the Free Software | |
24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
25 | * MA 02111-1307 USA | |
26 | */ | |
27 | ||
28 | #include <common.h> | |
29 | #include <asm/io.h> | |
30 | #include <asm/arch/hardware.h> | |
31 | #include <asm/arch/at91_rstc.h> | |
32 | ||
33 | /* Reset the cpu by telling the reset controller to do so */ | |
34 | void reset_cpu(ulong ignored) | |
35 | { | |
36 | at91_rstc_t *rstc = (at91_rstc_t *)ATMEL_BASE_RSTC; | |
37 | ||
38 | writel(AT91_RSTC_KEY | |
39 | | AT91_RSTC_CR_PROCRST /* Processor Reset */ | |
40 | | AT91_RSTC_CR_PERRST /* Peripheral Reset */ | |
41 | #ifdef CONFIG_AT91RESET_EXTRST | |
42 | | AT91_RSTC_CR_EXTRST /* External Reset (assert nRST pin) */ | |
43 | #endif | |
44 | , &rstc->cr); | |
45 | /* never reached */ | |
46 | do { } while (1); | |
47 | } |