mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-27 04:18:51 +09:00
40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
![]() |
/*
|
||
|
* Copyright (C) 2006 Atmel 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 <common.h>
|
||
|
|
||
|
#include <asm/sysreg.h>
|
||
|
|
||
|
void enable_interrupts(void)
|
||
|
{
|
||
|
asm volatile("csrf %0" : : "n"(SYSREG_GM_OFFSET));
|
||
|
}
|
||
|
|
||
|
int disable_interrupts(void)
|
||
|
{
|
||
|
unsigned long sr;
|
||
|
|
||
|
sr = sysreg_read(SR);
|
||
|
asm volatile("ssrf %0" : : "n"(SYSREG_GM_OFFSET));
|
||
|
|
||
|
return SYSREG_BFEXT(GM, sr);
|
||
|
}
|