/* $NetBSD: dec_2100_a500.c,v 1.27 2025/03/09 01:06:41 thorpej Exp $ */ /*- * Copyright (c) 1999 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jason R. Thorpe. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * Copyright (c) 1995, 1996, 1997 Carnegie-Mellon University. * All rights reserved. * * Author: Chris G. Demetriou * * Permission to use, copy, modify and distribute this software and * its documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * Carnegie Mellon requests users of this software to return to * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 * * any improvements or extensions that they make and grant Carnegie the * rights to redistribute these changes. */ #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ __KERNEL_RCSID(0, "$NetBSD: dec_2100_a500.c,v 1.27 2025/03/09 01:06:41 thorpej Exp $"); #include <sys/param.h> #include <sys/systm.h> #include <sys/device.h> #include <sys/lwp.h> #include <machine/rpb.h> #include <machine/autoconf.h> #include <machine/cpuconf.h> #include <machine/alpha.h> #include <dev/pci/pcivar.h> #include <alpha/pci/ttwogareg.h> #include <alpha/pci/ttwogavar.h> #define DR_VERBOSE(f) while (0) void _dec_2100_a500_init(void); static void dec_2100_a500_cons_init(void); static void dec_2100_a500_device_register(device_t, void *); static void dec_2100_a500_machine_check(unsigned long, struct trapframe *, unsigned long, unsigned long); void _dec_2100_a500_init(void) { switch (cputype) { case ST_DEC_2100_A500: if (alpha_implver() == ALPHA_IMPLVER_EV5) platform.family = "AlphaServer 2100 (\"Sable-Gamma\")"; else platform.family = "AlphaServer 2100 (\"Sable\")"; break; case ST_DEC_2100A_A500: platform.family = "AlphaServer 2100A (\"Lynx\")"; break; default: panic("dec_2100_a500_init: Not a Sable, Sable-Gamma, or Lynx?"); } if ((platform.model = alpha_dsr_sysname()) == NULL) { /* XXX don't know variations yet */ platform.model = alpha_unknown_sysname(); } platform.iobus = "ttwoga"; platform.cons_init = dec_2100_a500_cons_init; platform.device_register = dec_2100_a500_device_register; platform.mcheck_handler = dec_2100_a500_machine_check; } static void dec_2100_a500_cons_init(void) { struct ctb *ctb; uint64_t ctbslot; struct ttwoga_config *tcp; bus_space_tag_t isa_iot, isa_memt; ctb = (struct ctb *)(((char *)hwrpb) + hwrpb->rpb_ctb_off); ctbslot = ctb->ctb_turboslot; tcp = ttwoga_init(0); isa_iot = &tcp->tc_iot; isa_memt = &tcp->tc_memt; switch (ctb->ctb_term_type) { case CTB_PRINTERPORT: /* serial console ... */ assert(CTB_TURBOSLOT_HOSE(ctbslot) == 0); break; case CTB_GRAPHICS: /* PCI display might be on a different hose. */ if (CTB_TURBOSLOT_TYPE(ctbslot) == CTB_TURBOSLOT_TYPE_PCI) { tcp = ttwoga_init(CTB_TURBOSLOT_HOSE(ctbslot)); } break; default: /* Let pci_consinit() handle it. */ break; } pci_consinit(&tcp->tc_pc, &tcp->tc_iot, &tcp->tc_memt, isa_iot, isa_memt); } static void dec_2100_a500_device_register(device_t dev, void *aux) { static device_t primarydev; struct bootdev_data *b = bootdev_data; if (booted_device != NULL || b == NULL) { return; } if (primarydev == NULL) { if (device_is_a(dev, "ttwopci")) { struct pcibus_attach_args *pba = aux; if (b->bus == pba->pba_bus) { primarydev = dev; DR_VERBOSE(printf("\nprimarydev = %s\n", device_xname(dev))); } } return; } pci_find_bootdev(primarydev, dev, aux); } /* * Sable, Sable-Gamma, and Lynx machine check handlers. */ static void dec_2100_a500_machine_check(unsigned long mces, struct trapframe *framep, unsigned long vector, unsigned long param) { struct mchkinfo *mcp = &curcpu()->ci_mcinfo; /* * This is a work-around for a T2 core logic bug. See * alpha/pci/ttwoga_pci.c. */ if (ttwoga_conf_cpu == cpu_number()) mcp->mc_expected = 1; machine_check(mces, framep, vector, param); }
