upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
68 lines
1.1 KiB
68 lines
1.1 KiB
/*
|
|
* (C) Copyright 2000-2002
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*
|
|
* (C) Copyright 2003
|
|
* Gleb Natapov <gnatapov@mrv.com>
|
|
*
|
|
* (C) Copyright 2007
|
|
* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <asm/processor.h>
|
|
#include <asm/irq.h>
|
|
|
|
/* Implemented by SPARC CPUs */
|
|
extern int interrupt_init_cpu(void);
|
|
extern void timer_interrupt_cpu(void *arg);
|
|
extern int timer_interrupt_init_cpu(void);
|
|
|
|
int intLock(void)
|
|
{
|
|
unsigned int pil;
|
|
|
|
pil = get_pil();
|
|
|
|
/* set PIL to 15 ==> no pending interrupts will interrupt CPU */
|
|
set_pil(15);
|
|
|
|
return pil;
|
|
}
|
|
|
|
void intUnlock(int oldLevel)
|
|
{
|
|
set_pil(oldLevel);
|
|
}
|
|
|
|
void enable_interrupts(void)
|
|
{
|
|
set_pil(0); /* enable all interrupts */
|
|
}
|
|
|
|
int disable_interrupts(void)
|
|
{
|
|
return intLock();
|
|
}
|
|
|
|
int interrupt_is_enabled(void)
|
|
{
|
|
if (get_pil() == 15)
|
|
return 0;
|
|
return 1;
|
|
}
|
|
|
|
int interrupt_init(void)
|
|
{
|
|
int ret;
|
|
|
|
/* call cpu specific function from $(CPU)/interrupts.c */
|
|
ret = interrupt_init_cpu();
|
|
|
|
/* enable global interrupts */
|
|
enable_interrupts();
|
|
|
|
return ret;
|
|
}
|
|
|