1 /* $NetBSD: autoconf.c,v 1.6 2003/07/15 01:37:37 lukem Exp $ */ 2 3 /* 4 * Copyright (C) 1995, 1996 Wolfgang Solfrank. 5 * Copyright (C) 1995, 1996 TooLs GmbH. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by TooLs GmbH. 19 * 4. The name of TooLs GmbH may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 27 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 28 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <sys/cdefs.h> 35 __KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.6 2003/07/15 01:37:37 lukem Exp $"); 36 37 #include <sys/param.h> 38 #include <sys/conf.h> 39 #include <sys/device.h> 40 #include <sys/systm.h> 41 42 #include <dev/ic/comreg.h> /* For COM_FREQ */ 43 44 #include <powerpc/ibm4xx/dcr405gp.h> 45 #include <powerpc/ibm4xx/dev/plbvar.h> 46 47 struct device *booted_device; 48 int booted_partition; 49 50 /* 51 * List of port-specific devices to attach to the processor local bus. 52 */ 53 static const struct plb_dev local_plb_devs [] = { 54 { "pbus", }, 55 { NULL } 56 }; 57 58 /* 59 * Determine device configuration for a machine. 60 */ 61 void 62 cpu_configure(void) 63 { 64 65 intr_init(); 66 calc_delayconst(); 67 68 /* Make sure that timers run at CPU frequency */ 69 mtdcr(DCR_CPC0_CR1, mfdcr(DCR_CPC0_CR1) & ~CPC0_CR1_CETE); 70 71 if (config_rootfound("plb", &local_plb_devs) == NULL) 72 panic("configure: plb not configured"); 73 74 printf("biomask %x netmask %x ttymask %x\n", (u_short)imask[IPL_BIO], 75 (u_short)imask[IPL_NET], (u_short)imask[IPL_TTY]); 76 77 (void)spl0(); 78 79 /* 80 * Now allow hardware interrupts. 81 */ 82 asm volatile ("wrteei 1"); 83 } 84 85 /* 86 * Setup root device. 87 * Configure swap area. 88 */ 89 void 90 cpu_rootconf(void) 91 { 92 93 setroot(booted_device, booted_partition); 94 } 95 96 void 97 device_register(struct device *dev, void *aux) 98 { 99 struct device *parent = dev->dv_parent; 100 101 if (strcmp(dev->dv_cfdata->cf_name, "com") == 0 && 102 strcmp(parent->dv_cfdata->cf_name, "opb") == 0) { 103 /* Set the frequency of the on-chip UART. */ 104 int freq = COM_FREQ * 6; 105 106 if (prop_set(dev_propdb, dev, "frequency", 107 &freq, sizeof(freq), PROP_INT, 0) != 0) 108 printf("WARNING: unable to set frequency " 109 "property for %s\n", dev->dv_xname); 110 return; 111 } 112 113 if (strcmp(dev->dv_cfdata->cf_name, "emac") == 0 && 114 strcmp(parent->dv_cfdata->cf_name, "opb") == 0) { 115 /* Set the mac-addr of the on-chip Ethernet. */ 116 /* XXX 405GP only has one; what about CPUs with two? */ 117 if (prop_set(dev_propdb, dev, "mac-addr", 118 &board_data.mac_address_local, 119 sizeof(board_data.mac_address_local), 120 PROP_CONST, 0) != 0) 121 printf("WARNING: unable to set mac-addr " 122 "property for %s\n", dev->dv_xname); 123 return; 124 } 125 } 126