82 lines
1.2 KiB
C
82 lines
1.2 KiB
C
/*
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* (C) Copyright 2000-2002
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* Copyright 2004 Freescale Semiconductor, Inc.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <command.h>
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#include <mpc83xx.h>
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#include <asm/processor.h>
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DECLARE_GLOBAL_DATA_PTR;
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struct irq_action {
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interrupt_handler_t *handler;
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void *arg;
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ulong count;
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};
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int interrupt_init_cpu (unsigned *decrementer_count)
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{
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volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
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*decrementer_count = (gd->bus_clk / 4) / CONFIG_SYS_HZ;
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/* Enable e300 time base */
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immr->sysconf.spcr |= 0x00400000;
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return 0;
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}
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/*
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* Handle external interrupts
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*/
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void external_interrupt (struct pt_regs *regs)
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{
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}
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/*
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* Install and free an interrupt handler.
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*/
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void
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irq_install_handler (int irq, interrupt_handler_t * handler, void *arg)
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{
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}
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void irq_free_handler (int irq)
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{
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}
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void timer_interrupt_cpu (struct pt_regs *regs)
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{
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/* nothing to do here */
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return;
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}
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#if defined(CONFIG_CMD_IRQ)
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/* ripped this out of ppc4xx/interrupts.c */
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/*
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* irqinfo - print information about PCI devices
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*/
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void
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do_irqinfo(cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char * const argv[])
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{
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}
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#endif
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