u-boot/arch/powerpc/cpu/mpc83xx/interrupts.c
Tom Rini deff9b1d2a powerpc: Rework interrupt_init_cpu()
The function interrupt_init_cpu() is given an int return type but does
not return anything but 0.  Rework this to be a void function.

Signed-off-by: Tom Rini <trini@konsulko.com>
Acked-by: Mario Six <mario.six@gdsys.cc>
2017-08-26 14:56:08 -04:00

79 lines
1.2 KiB
C

/*
* (C) Copyright 2000-2002
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* Copyright 2004 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#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;
};
void 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;
}
/*
* 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 * const argv[])
{
}
#endif