autoconf.c revision 1.1.2.2
1 1.1.2.2 thorpej /* $NetBSD: autoconf.c,v 1.1.2.2 2002/12/11 06:29:26 thorpej Exp $ */ 2 1.1.2.2 thorpej 3 1.1.2.2 thorpej /* 4 1.1.2.2 thorpej * Copyright (C) 1995, 1996 Wolfgang Solfrank. 5 1.1.2.2 thorpej * Copyright (C) 1995, 1996 TooLs GmbH. 6 1.1.2.2 thorpej * All rights reserved. 7 1.1.2.2 thorpej * 8 1.1.2.2 thorpej * Redistribution and use in source and binary forms, with or without 9 1.1.2.2 thorpej * modification, are permitted provided that the following conditions 10 1.1.2.2 thorpej * are met: 11 1.1.2.2 thorpej * 1. Redistributions of source code must retain the above copyright 12 1.1.2.2 thorpej * notice, this list of conditions and the following disclaimer. 13 1.1.2.2 thorpej * 2. Redistributions in binary form must reproduce the above copyright 14 1.1.2.2 thorpej * notice, this list of conditions and the following disclaimer in the 15 1.1.2.2 thorpej * documentation and/or other materials provided with the distribution. 16 1.1.2.2 thorpej * 3. All advertising materials mentioning features or use of this software 17 1.1.2.2 thorpej * must display the following acknowledgement: 18 1.1.2.2 thorpej * This product includes software developed by TooLs GmbH. 19 1.1.2.2 thorpej * 4. The name of TooLs GmbH may not be used to endorse or promote products 20 1.1.2.2 thorpej * derived from this software without specific prior written permission. 21 1.1.2.2 thorpej * 22 1.1.2.2 thorpej * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR 23 1.1.2.2 thorpej * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 1.1.2.2 thorpej * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 1.1.2.2 thorpej * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 1.1.2.2 thorpej * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 27 1.1.2.2 thorpej * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 28 1.1.2.2 thorpej * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 29 1.1.2.2 thorpej * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 30 1.1.2.2 thorpej * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 31 1.1.2.2 thorpej * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 1.1.2.2 thorpej */ 33 1.1.2.2 thorpej 34 1.1.2.2 thorpej #include <sys/param.h> 35 1.1.2.2 thorpej #include <sys/conf.h> 36 1.1.2.2 thorpej #include <sys/device.h> 37 1.1.2.2 thorpej #include <sys/systm.h> 38 1.1.2.2 thorpej 39 1.1.2.2 thorpej #include <powerpc/ibm4xx/dev/plbvar.h> 40 1.1.2.2 thorpej 41 1.1.2.2 thorpej #include <machine/dcr.h> 42 1.1.2.2 thorpej 43 1.1.2.2 thorpej struct device *booted_device; 44 1.1.2.2 thorpej int booted_partition; 45 1.1.2.2 thorpej 46 1.1.2.2 thorpej /* 47 1.1.2.2 thorpej * List of port-specific devices to attach to the processor local bus. 48 1.1.2.2 thorpej */ 49 1.1.2.2 thorpej static const struct plb_dev local_plb_devs [] = { 50 1.1.2.2 thorpej { "pbus", }, 51 1.1.2.2 thorpej { NULL } 52 1.1.2.2 thorpej }; 53 1.1.2.2 thorpej 54 1.1.2.2 thorpej /* 55 1.1.2.2 thorpej * Determine device configuration for a machine. 56 1.1.2.2 thorpej */ 57 1.1.2.2 thorpej void 58 1.1.2.2 thorpej cpu_configure(void) 59 1.1.2.2 thorpej { 60 1.1.2.2 thorpej 61 1.1.2.2 thorpej intr_init(); 62 1.1.2.2 thorpej calc_delayconst(); 63 1.1.2.2 thorpej 64 1.1.2.2 thorpej /* Make sure that timers run at CPU frequency */ 65 1.1.2.2 thorpej mtdcr(DCR_CPC0_CR1, mfdcr(DCR_CPC0_CR1) & ~CPC0_CR1_CETE); 66 1.1.2.2 thorpej 67 1.1.2.2 thorpej if (config_rootfound("plb", &local_plb_devs) == NULL) 68 1.1.2.2 thorpej panic("configure: plb not configured"); 69 1.1.2.2 thorpej 70 1.1.2.2 thorpej printf("biomask %x netmask %x ttymask %x\n", (u_short)imask[IPL_BIO], 71 1.1.2.2 thorpej (u_short)imask[IPL_NET], (u_short)imask[IPL_TTY]); 72 1.1.2.2 thorpej 73 1.1.2.2 thorpej (void)spl0(); 74 1.1.2.2 thorpej 75 1.1.2.2 thorpej /* 76 1.1.2.2 thorpej * Now allow hardware interrupts. 77 1.1.2.2 thorpej */ 78 1.1.2.2 thorpej asm volatile ("wrteei 1"); 79 1.1.2.2 thorpej } 80 1.1.2.2 thorpej 81 1.1.2.2 thorpej /* 82 1.1.2.2 thorpej * Setup root device. 83 1.1.2.2 thorpej * Configure swap area. 84 1.1.2.2 thorpej */ 85 1.1.2.2 thorpej void 86 1.1.2.2 thorpej cpu_rootconf(void) 87 1.1.2.2 thorpej { 88 1.1.2.2 thorpej 89 1.1.2.2 thorpej setroot(booted_device, booted_partition); 90 1.1.2.2 thorpej } 91
Indexes created Sun Oct 19 02:09:48 GMT 2025