/* * (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 *) CFG_IMMR; *decrementer_count = (gd->bus_clk / 4) / CFG_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