1 /* $OpenBSD: mainbus.c,v 1.13 2020/08/28 15:07:55 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 #include <sys/malloc.h> 33 34 #include <dev/ofw/openfirm.h> 35 #include <machine/autoconf.h> 36 #include <machine/octeonvar.h> 37 38 #include <octeon/dev/cn30xxcorereg.h> 39 40 int mainbus_match(struct device *, void *, void *); 41 void mainbus_attach(struct device *, struct device *, void *); 42 int mainbus_print(void *, const char *); 43 44 const struct cfattach mainbus_ca = { 45 sizeof(struct device), mainbus_match, mainbus_attach 46 }; 47 48 struct cfdriver mainbus_cd = { 49 NULL, "mainbus", DV_DULL 50 }; 51 52 int 53 mainbus_match(struct device *parent, void *cfdata, void *aux) 54 { 55 static int mainbus_attached = 0; 56 57 if (mainbus_attached != 0) 58 return 0; 59 60 return mainbus_attached = 1; 61 } 62 63 void 64 mainbus_attach(struct device *parent, struct device *self, void *aux) 65 { 66 struct cpu_attach_args caa; 67 char model[128]; 68 int len, node; 69 #ifdef MULTIPROCESSOR 70 struct cpu_hwinfo hw; 71 int cpuid; 72 #endif 73 74 printf(": board %u rev %u.%u", octeon_boot_info->board_type, 75 octeon_boot_info->board_rev_major, 76 octeon_boot_info->board_rev_minor); 77 78 node = OF_peer(0); 79 if (node != 0) { 80 len = OF_getprop(node, "model", model, sizeof(model)); 81 if (len > 0) { 82 printf(", model %s", model); 83 hw_prod = malloc(len, M_DEVBUF, M_NOWAIT); 84 if (hw_prod != NULL) 85 strlcpy(hw_prod, model, len); 86 } 87 } 88 89 printf("\n"); 90 91 bzero(&caa, sizeof caa); 92 caa.caa_maa.maa_name = "cpu"; 93 caa.caa_hw = &bootcpu_hwinfo; 94 config_found(self, &caa, mainbus_print); 95 96 #ifdef MULTIPROCESSOR 97 for (cpuid = 1; cpuid < MAXCPUS && 98 octeon_boot_info->core_mask & (1 << cpuid); cpuid++) { 99 bcopy(&bootcpu_hwinfo, &hw, sizeof(struct cpu_hwinfo)); 100 caa.caa_hw = &hw; 101 config_found(self, &caa, mainbus_print); 102 } 103 #endif 104 105 caa.caa_maa.maa_name = "clock"; 106 config_found(self, &caa.caa_maa, mainbus_print); 107 108 /* on-board I/O */ 109 caa.caa_maa.maa_name = "iobus"; 110 config_found(self, &caa.caa_maa, mainbus_print); 111 112 caa.caa_maa.maa_name = "octrtc"; 113 config_found(self, &caa.caa_maa, mainbus_print); 114 115 #ifdef CRYPTO 116 if (!ISSET(octeon_get_cvmctl(), COP_0_CVMCTL_NOCRYPTO)) { 117 caa.caa_maa.maa_name = "octcrypto"; 118 config_found(self, &caa.caa_maa, mainbus_print); 119 } 120 #endif 121 } 122 123 int 124 mainbus_print(void *aux, const char *pnp) 125 { 126 return pnp != NULL ? QUIET : UNCONF; 127 } 128