1 /* $OpenBSD: mainbus.c,v 1.8 2016/01/16 11:21:42 visa Exp $ */ 2 3 /* 4 * Copyright (c) 2001-2003 Opsycon AB (www.opsycon.se / www.opsycon.com) 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 16 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 19 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 */ 28 29 #include <sys/param.h> 30 #include <sys/systm.h> 31 #include <sys/device.h> 32 33 #include <machine/autoconf.h> 34 #include <machine/octeonvar.h> 35 36 int mainbus_match(struct device *, void *, void *); 37 void mainbus_attach(struct device *, struct device *, void *); 38 int mainbus_print(void *, const char *); 39 40 const struct cfattach mainbus_ca = { 41 sizeof(struct device), mainbus_match, mainbus_attach 42 }; 43 44 struct cfdriver mainbus_cd = { 45 NULL, "mainbus", DV_DULL 46 }; 47 48 int 49 mainbus_match(struct device *parent, void *cfdata, void *aux) 50 { 51 static int mainbus_attached = 0; 52 53 if (mainbus_attached != 0) 54 return 0; 55 56 return mainbus_attached = 1; 57 } 58 59 void 60 mainbus_attach(struct device *parent, struct device *self, void *aux) 61 { 62 struct cpu_attach_args caa; 63 #ifdef MULTIPROCESSOR 64 struct cpu_hwinfo hw; 65 int cpuid; 66 #endif 67 68 printf("\n"); 69 70 bzero(&caa, sizeof caa); 71 caa.caa_maa.maa_name = "cpu"; 72 caa.caa_hw = &bootcpu_hwinfo; 73 config_found(self, &caa, mainbus_print); 74 75 #ifdef MULTIPROCESSOR 76 for (cpuid = 1; cpuid < OCTEON_MAXCPUS && 77 octeon_boot_info->core_mask & (1 << cpuid); cpuid++) { 78 bcopy(&bootcpu_hwinfo, &hw, sizeof(struct cpu_hwinfo)); 79 caa.caa_hw = &hw; 80 config_found(self, &caa, mainbus_print); 81 } 82 #endif 83 84 caa.caa_maa.maa_name = "clock"; 85 config_found(self, &caa.caa_maa, mainbus_print); 86 87 /* uart I/O */ 88 caa.caa_maa.maa_name = "uartbus"; 89 config_found(self, &caa.caa_maa, mainbus_print); 90 91 /* on-board I/O */ 92 caa.caa_maa.maa_name = "iobus"; 93 config_found(self, &caa.caa_maa, mainbus_print); 94 95 caa.caa_maa.maa_name = "octrtc"; 96 config_found(self, &caa.caa_maa, mainbus_print); 97 98 } 99 100 int 101 mainbus_print(void *aux, const char *pnp) 102 { 103 return pnp != NULL ? QUIET : UNCONF; 104 } 105