/* $NetBSD: dec_2100_a500.c,v 1.23 2012/10/13 17:58:54 jdc 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 "opt_kgdb.h" #include /* RCS ID & Copyright macro defns */ __KERNEL_RCSID(0, "$NetBSD: dec_2100_a500.c,v 1.23 2012/10/13 17:58:54 jdc Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "pckbd.h" #ifndef CONSPEED #define CONSPEED TTYDEF_SPEED #endif static int comcnrate = CONSPEED; 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); #ifdef KGDB #include static const char *kgdb_devlist[] = { "com", NULL, }; #endif /* KGDB */ 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; ctb = (struct ctb *)(((char *)hwrpb) + hwrpb->rpb_ctb_off); ctbslot = ctb->ctb_turboslot; tcp = ttwoga_init(0, 0); switch (ctb->ctb_term_type) { case CTB_PRINTERPORT: /* serial console ... */ assert(CTB_TURBOSLOT_HOSE(ctbslot) == 0); /* XXX */ { /* * Delay to allow PROM putchars to complete. * FIFO depth * character time, * character time = (1000000 / (defaultrate / 10)) */ DELAY(160000000 / comcnrate); if(comcnattach(&tcp->tc_iot, 0x3f8, comcnrate, COM_FREQ, COM_TYPE_NORMAL, (TTYDEF_CFLAG & ~(CSIZE | PARENB)) | CS8)) panic("can't init serial console"); break; } case CTB_GRAPHICS: #if NPCKBD > 0 /* display console ... */ /* XXX */ (void) pckbc_cnattach(&tcp->tc_iot, IO_KBD, KBCMDP, PCKBC_KBD_SLOT, 0); switch (CTB_TURBOSLOT_TYPE(ctbslot)) { case CTB_TURBOSLOT_TYPE_ISA: /* * XXX The following is apparently necessary for an * XXX ISA VGA card, but what happens with real EISA * XXX VGA cards? */ case CTB_TURBOSLOT_TYPE_EISA: isa_display_console(&tcp->tc_iot, &tcp->tc_memt); break; case CTB_TURBOSLOT_TYPE_PCI: /* The display PCI might be different */ tcp = ttwoga_init(0, CTB_TURBOSLOT_HOSE(ctbslot)); pci_display_console(&tcp->tc_iot, &tcp->tc_memt, &tcp->tc_pc, CTB_TURBOSLOT_BUS(ctbslot), CTB_TURBOSLOT_SLOT(ctbslot), 0); break; default: printf("type = 0x%lx, hose = 0x%lx, bus = 0x%lx, " "slot = 0x%lx\n", CTB_TURBOSLOT_TYPE(ctbslot), CTB_TURBOSLOT_HOSE(ctbslot), CTB_TURBOSLOT_BUS(ctbslot), CTB_TURBOSLOT_SLOT(ctbslot)); panic("unknown display console type"); } #else panic("not configured to use display && keyboard console"); #endif break; default: printf("ctb->ctb_term_type = 0x%lx\n", ctb->ctb_term_type); printf("ctb->ctb_turboslot = 0x%lx\n", ctb->ctb_turboslot); panic("consinit: unknown console type %ld", ctb->ctb_term_type); } #ifdef KGDB /* Attach the KGDB device. */ alpha_kgdb_init(kgdb_devlist, &tcp->tc_iot); #endif /* KGDB */ } static void dec_2100_a500_device_register(device_t dev, void *aux) { static int found, initted, diskboot, netboot; static device_t pcidev, ctrlrdev; struct bootdev_data *b = bootdev_data; device_t parent = device_parent(dev); if (found) return; if (!initted) { diskboot = (strcasecmp(b->protocol, "SCSI") == 0) || (strcasecmp(b->protocol, "RAID") == 0); netboot = (strcasecmp(b->protocol, "BOOTP") == 0) || (strcasecmp(b->protocol, "MOP") == 0); #if 0 printf("diskboot = %d, netboot = %d\n", diskboot, netboot); #endif initted =1; } if (pcidev == NULL) { if (!device_is_a(dev, "pci")) return; else { struct pcibus_attach_args *pba = aux; if ((b->slot / 1000) != pba->pba_bus) return; pcidev = dev; #if 0 printf("\npcidev = %s\n", device_xname(dev)); #endif return; } } if (ctrlrdev == NULL) { if (parent != pcidev) return; else { struct pci_attach_args *pa = aux; int slot; slot = pa->pa_bus * 1000 + pa->pa_function * 100 + pa->pa_device; if (b->slot != slot) return; if (netboot) { booted_device = dev; #if 0 printf("\nbooted_device = %s\n", device_xname(dev)); #endif found = 1; } else { ctrlrdev = dev; #if 0 printf("\nctrlrdev = %s\n", device_xname(dev)); #endif } return; } } if (!diskboot) return; if (device_is_a(dev, "sd") || device_is_a(dev, "st") || device_is_a(dev, "cd")) { struct scsipibus_attach_args *sa = aux; struct scsipi_periph *periph = sa->sa_periph; int unit; if (device_parent(parent) != ctrlrdev) return; unit = periph->periph_target * 100 + periph->periph_lun; if (b->unit != unit) return; if (b->channel != periph->periph_channel->chan_channel) return; /* we've found it! */ booted_device = dev; #if 0 printf("\nbooted_device = %s\n", device_xname(dev)); #endif found = 1; } if (device_is_a(dev, "ld") && device_is_a(parent, "mlx")) { /* * Argh! The attach arguments for ld devices is not * consistent, so each supported raid controller requires * different checks. */ struct mlx_attach_args *mlxa = aux; if (parent != ctrlrdev) return; if (b->unit != mlxa->mlxa_unit) return; /* we've found it! */ booted_device = dev; #if 0 printf("\nbooted_device = %s\n", device_xname(dev)); #endif found = 1; } } /* * 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); }