/* $NetBSD: dec_550.c,v 1.36 2012/10/13 17:58:54 jdc Exp $ */ /* * 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. */ /* * Additional Copyright (c) 1997 by Matthew Jacob for NASA/Ames Research Center */ #include "opt_kgdb.h" #include /* RCS ID & Copyright macro defns */ __KERNEL_RCSID(0, "$NetBSD: dec_550.c,v 1.36 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 /* Write this to Pyxis General Purpose Output to turn off the power. */ #define DEC_550_PYXIS_GPO_POWERDOWN 0x00000400 #include "pckbd.h" #ifndef CONSPEED #define CONSPEED TTYDEF_SPEED #endif static int comcnrate = CONSPEED; #define DR_VERBOSE(f) while (0) void dec_550_init(void); static void dec_550_cons_init(void); static void dec_550_device_register(device_t, void *); static void dec_550_powerdown(void); #ifdef KGDB #include static const char *kgdb_devlist[] = { "com", NULL, }; #endif /* KGDB */ void dec_550_init(void) { platform.family = "Digital Personal Workstation"; if ((platform.model = alpha_dsr_sysname()) == NULL) { /* XXX Don't know the system variations, yet. */ platform.model = alpha_unknown_sysname(); } platform.iobus = "cia"; platform.cons_init = dec_550_cons_init; platform.device_register = dec_550_device_register; platform.powerdown = dec_550_powerdown; /* * If Miata systems have a secondary cache, it's 2MB. */ uvmexp.ncolors = atop(2 * 1024 * 1024); } static void dec_550_cons_init(void) { struct ctb *ctb; struct cia_config *ccp; extern struct cia_config cia_configuration; ccp = &cia_configuration; cia_init(ccp, 0); ctb = (struct ctb *)(((char *)hwrpb) + hwrpb->rpb_ctb_off); switch (ctb->ctb_term_type) { case CTB_PRINTERPORT: /* serial console ... */ /* XXX */ { /* * Delay to allow PROM putchars to complete. * FIFO depth * character time, * character time = (1000000 / (defaultrate / 10)) */ DELAY(160000000 / comcnrate); if(comcnattach(&ccp->cc_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(&ccp->cc_iot, IO_KBD, KBCMDP, PCKBC_KBD_SLOT, 0); if (CTB_TURBOSLOT_TYPE(ctb->ctb_turboslot) == CTB_TURBOSLOT_TYPE_ISA) isa_display_console(&ccp->cc_iot, &ccp->cc_memt); else pci_display_console(&ccp->cc_iot, &ccp->cc_memt, &ccp->cc_pc, CTB_TURBOSLOT_BUS(ctb->ctb_turboslot), CTB_TURBOSLOT_SLOT(ctb->ctb_turboslot), 0); #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, &ccp->cc_iot); #endif /* KGDB */ } static void dec_550_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, "IDE") == 0); netboot = (strcasecmp(b->protocol, "BOOTP") == 0) || (strcasecmp(b->protocol, "MOP") == 0); DR_VERBOSE(printf("diskboot = %d, netboot = %d\n", diskboot, netboot)); 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; DR_VERBOSE(printf("\npcidev = %s\n", device_xname(dev))); 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; DR_VERBOSE(printf("\nbooted_device = %s\n", device_xname(dev))); found = 1; } else { ctrlrdev = dev; DR_VERBOSE(printf("\nctrlrdev = %s\n", device_xname(dev))); } 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; DR_VERBOSE(printf("\nbooted_device = %s\n", device_xname(dev))); found = 1; } /* * Support to boot from IDE drives. */ if (device_is_a(dev, "wd")) { struct ata_device *adev = aux; if (!device_is_a(parent, "atabus")) return; if (device_parent(parent) != ctrlrdev) return; DR_VERBOSE(printf("\nAtapi info: drive: %d, channel %d\n", adev->adev_drv_data->drive, adev->adev_channel)); DR_VERBOSE(printf("Bootdev info: unit: %d, channel: %d\n", b->unit, b->channel)); if (b->unit != adev->adev_drv_data->drive || b->channel != adev->adev_channel) return; /* we've found it! */ booted_device = dev; DR_VERBOSE(printf("booted_device = %s\n", device_xname(dev))); found = 1; } } static void dec_550_powerdown(void) { REGVAL(PYXIS_GPO) = DEC_550_PYXIS_GPO_POWERDOWN; alpha_mb(); }