NetBSD/sys/arch/alpha/alpha/dec_axppci_33.c

/*	$NetBSD: dec_axppci_33.c,v 1.8 1996/06/14 20:38:13 cgd Exp $	*/

/*
 * Copyright (c) 1995, 1996 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/param.h>
#include <sys/device.h>
#include <sys/termios.h>
#include <dev/cons.h>

#include <machine/rpb.h>
#include <machine/autoconf.h>

#include <dev/isa/isavar.h>
#include <dev/isa/comreg.h>
#include <dev/isa/comvar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>

#include <alpha/pci/lcareg.h>
#include <alpha/pci/lcavar.h>

#include <alpha/alpha/dec_axppci_33.h>

#include <scsi/scsi_all.h>
#include <scsi/scsiconf.h>

char *
dec_axppci_33_modelname()
{

	switch (hwrpb->rpb_variation & SV_ST_MASK) {
	case 0:						/* XXX */
		return "Alpha PC AXPpci33 (\"NoName\")";
		
	default:
		printf("unknown system variation %lx\n",
		    hwrpb->rpb_variation & SV_ST_MASK);
		return NULL;
	}
}

void
dec_axppci_33_consinit()
{
	struct ctb *ctb;
	struct lca_config *lcp;
	extern struct lca_config lca_configuration;

	lcp = &lca_configuration;
	lca_init(lcp);

	ctb = (struct ctb *)(((caddr_t)hwrpb) + hwrpb->rpb_ctb_off);

	switch (ctb->ctb_term_type) {
	case 2: 
		/* serial console ... */
		/* XXX */
		{
			extern bus_chipset_tag_t comconsbc;	/* set */
			extern bus_io_handle_t comcomsioh;	/* set */
			extern int comconsaddr, comconsinit;	/* set */
			extern int comdefaultrate;
			extern int comcngetc __P((dev_t));
			extern void comcnputc __P((dev_t, int));
			extern void comcnpollc __P((dev_t, int));
			static struct consdev comcons = { NULL, NULL,
			    comcngetc, comcnputc, comcnpollc, NODEV, 1 };

			/* Delay to allow PROM putchars to complete */
			DELAY(10000);

			comconsaddr = 0x3f8;
			comconsinit = 0;
			comconsbc = &lcp->lc_bc;
			if (bus_io_map(comconsbc, comconsaddr, COM_NPORTS,
			    &comconsioh))
				panic("can't map serial console I/O ports");
			comconscflag = (TTYDEF_CFLAG & ~(CSIZE | PARENB)) | CS8;
			cominit(comconsbc, comconsioh, comdefaultrate);

			cn_tab = &comcons;
			comcons.cn_dev = makedev(26, 0);	/* XXX */
			break;
		}

	case 3:
		/* display console ... */
		/* XXX */
		pci_display_console(&lcp->lc_bc, &lcp->lc_pc,
		    (ctb->ctb_turboslot >> 8) & 0xff,
		    ctb->ctb_turboslot & 0xff, 0);
		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 %d\n",
		    ctb->ctb_term_type);
	}
}

void
dec_axppci_33_device_register(dev, aux)
	struct device *dev;
	void *aux;
{
	static int found;
	static struct device *pcidev, *scsidev;
	struct bootdev_data *b = bootdev_data;
	struct device *parent = dev->dv_parent;
	struct cfdata *cf = dev->dv_cfdata;
	struct cfdriver *cd = cf->cf_driver;

	if (found)
		return;

	if (pcidev == NULL) {
		if (strcmp(cd->cd_name, "pci"))
			return;
		else {
			struct pcibus_attach_args *pba = aux;

			if (b->bus != pba->pba_bus)
				return;
	
			pcidev = dev;
#if 0
			printf("\npcidev = %s\n", pcidev->dv_xname);
#endif
			return;
		}
	}

	if (scsidev == NULL) {
		if (parent != pcidev)
			return;
		else {
			struct pci_attach_args *pa = aux;

			if (b->slot != pa->pa_device)
				return;

			/* XXX function? */
	
			scsidev = dev;
#if 0
			printf("\nscsidev = %s\n", scsidev->dv_xname);
#endif
			return;
		}
	}

	if (!strcmp(cd->cd_name, "sd") ||
	    !strcmp(cd->cd_name, "st") ||
	    !strcmp(cd->cd_name, "cd")) {
		struct scsibus_attach_args *sa = aux;

		if (parent->dv_parent != scsidev)
			return;

		if (b->unit / 100 != sa->sa_sc_link->target)
			return;

		/* XXX LUN! */

		switch (b->boot_dev_type) {
		case 0:
			if (strcmp(cd->cd_name, "sd") &&
			    strcmp(cd->cd_name, "cd"))
				return;
			break;
		case 1:
			if (strcmp(cd->cd_name, "st"))
				return;
			break;
		default:
			return;
		}

		/* we've found it! */
		booted_device = dev;
#if 0
		printf("\nbooted_device = %s\n", booted_device->dv_xname);
#endif
		found = 1;
	}
}