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/*
* (C) Copyright 2000-2002
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* Copyright 2004 Freescale Semiconductor, 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
*/
#include <common.h>
#include <command.h>
#include <mpc83xx.h>
#include <asm/processor.h>
DECLARE_GLOBAL_DATA_PTR;
struct irq_action {
interrupt_handler_t *handler;
void *arg;
ulong count;
};
int interrupt_init_cpu (unsigned *decrementer_count)
{
volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
*decrementer_count = (gd->bus_clk / 4) / CONFIG_SYS_HZ;
/* Enable e300 time base */
immr->sysconf.spcr |= 0x00400000;
return 0;
}
/*
* Handle external interrupts
*/
void external_interrupt (struct pt_regs *regs)
{
}
/*
* Install and free an interrupt handler.
*/
void
irq_install_handler (int irq, interrupt_handler_t * handler, void *arg)
{
}
void irq_free_handler (int irq)
{
}
void timer_interrupt_cpu (struct pt_regs *regs)
{
/* nothing to do here */
return;
}
#if defined(CONFIG_CMD_IRQ)
/* ripped this out of ppc4xx/interrupts.c */
/*
* irqinfo - print information about PCI devices
*/
void
do_irqinfo(cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
{
}
#endif
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