mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-26 13:03:40 +00:00
80 lines
2 KiB
C
80 lines
2 KiB
C
/*
|
|
* (C) Copyright -2003
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*
|
|
* (C) Copyright 2001
|
|
* Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc.
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
/*
|
|
* interrupts.c - just enough support for the decrementer/timer
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <asm/processor.h>
|
|
#include <command.h>
|
|
|
|
int interrupt_init_cpu (ulong * decrementer_count)
|
|
{
|
|
*decrementer_count = get_tbclk () / CFG_HZ;
|
|
|
|
return (0);
|
|
}
|
|
|
|
/****************************************************************************/
|
|
|
|
/*
|
|
* Handle external interrupts
|
|
*/
|
|
void external_interrupt (struct pt_regs *regs)
|
|
{
|
|
puts ("external_interrupt (oops!)\n");
|
|
}
|
|
|
|
void timer_interrupt_cpu (struct pt_regs *regs)
|
|
{
|
|
/* nothing to do here */
|
|
return;
|
|
}
|
|
|
|
/****************************************************************************/
|
|
|
|
/*
|
|
* Install and free a interrupt handler.
|
|
*/
|
|
|
|
void irq_install_handler (int vec, interrupt_handler_t * handler, void *arg)
|
|
{
|
|
|
|
}
|
|
|
|
void irq_free_handler (int vec)
|
|
{
|
|
|
|
}
|
|
|
|
/****************************************************************************/
|
|
|
|
void
|
|
do_irqinfo (cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
|
|
{
|
|
puts ("IRQ related functions are unimplemented currently.\n");
|
|
}
|