1 /* $NetBSD: obs266_autoconf.c,v 1.4 2006/10/07 14:59:53 tsutsui Exp $ */ 2 3 /* 4 * Copyright 2004 Shigeyuki Fukushima. 5 * All rights reserved. 6 * 7 * Written by Shigeyuki Fukushima for The NetBSD Project. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer in the documentation and/or other materials provided 17 * with the distribution. 18 * 3. The name of the author may not be used to endorse or promote 19 * products derived from this software without specific prior 20 * written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 24 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 28 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 29 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 30 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 32 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH 33 * DAMAGE. 34 */ 35 #include <sys/cdefs.h> 36 __KERNEL_RCSID(0, "$NetBSD: obs266_autoconf.c,v 1.4 2006/10/07 14:59:53 tsutsui Exp $"); 37 38 #include <sys/systm.h> 39 #include <sys/device.h> 40 41 #include <machine/obs266.h> 42 43 #include <powerpc/ibm4xx/dcr405gp.h> 44 45 46 /* 47 * Determine device configuration for a machine. 48 */ 49 void 50 cpu_configure(void) 51 { 52 53 intr_init(); 54 calc_delayconst(); 55 56 /* Make sure that timers run at CPU frequency */ 57 mtdcr(DCR_CPC0_CR1, mfdcr(DCR_CPC0_CR1) & ~CPC0_CR1_CETE); 58 59 if (config_rootfound("plb", NULL) == NULL) 60 panic("configure: mainbus not configured"); 61 62 printf("biomask %x netmask %x ttymask %x\n", 63 imask[IPL_BIO], imask[IPL_NET], imask[IPL_TTY]); 64 65 (void)spl0(); 66 67 /* 68 * Now allow hardware interrupts. 69 */ 70 __asm volatile ("wrteei 1"); 71 } 72 73 void device_register(struct device *dev, void *aux) 74 { 75 76 obs405_device_register(dev, aux, OBS266_COM_FREQ); 77 } 78