blob: 28df20db01079fe4b84619016f483397b2d6dc04 [file] [log] [blame]
Wolfgang Denk7b64fef2006-10-24 14:21:16 +02001/*
2 * Copyright (C) 2006 Atmel Corporation
3 *
4 * See file CREDITS for list of people who contributed to this
5 * project.
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20 * MA 02111-1307 USA
21 */
22#include <common.h>
23
24#include <asm/sysreg.h>
25
26void enable_interrupts(void)
27{
28 asm volatile("csrf %0" : : "n"(SYSREG_GM_OFFSET));
29}
30
31int disable_interrupts(void)
32{
33 unsigned long sr;
34
35 sr = sysreg_read(SR);
36 asm volatile("ssrf %0" : : "n"(SYSREG_GM_OFFSET));
37
Haavard Skinnemoendf9c25e2007-12-17 11:02:44 +010038 return !SYSREG_BFEXT(GM, sr);
Wolfgang Denk7b64fef2006-10-24 14:21:16 +020039}