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com_mainbus.c revision 1.19.30.1
      1  1.19.30.1    skrll /*	$NetBSD: com_mainbus.c,v 1.19.30.1 2015/09/22 12:05:39 skrll Exp $	*/
      2        1.1    soren 
      3        1.1    soren /*
      4        1.1    soren  * Copyright (c) 2000 Soren S. Jorvang.  All rights reserved.
      5        1.1    soren  *
      6        1.1    soren  * Redistribution and use in source and binary forms, with or without
      7        1.1    soren  * modification, are permitted provided that the following conditions
      8        1.1    soren  * are met:
      9        1.1    soren  * 1. Redistributions of source code must retain the above copyright
     10        1.1    soren  *    notice, this list of conditions, and the following disclaimer.
     11        1.1    soren  * 2. Redistributions in binary form must reproduce the above copyright
     12        1.1    soren  *    notice, this list of conditions and the following disclaimer in the
     13        1.1    soren  *    documentation and/or other materials provided with the distribution.
     14        1.1    soren  *
     15        1.1    soren  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     16        1.1    soren  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     17        1.1    soren  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     18        1.1    soren  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     19        1.1    soren  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     20        1.1    soren  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     21        1.1    soren  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     22        1.1    soren  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     23        1.1    soren  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     24        1.1    soren  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     25        1.1    soren  * SUCH DAMAGE.
     26        1.1    soren  */
     27        1.6    lukem 
     28        1.6    lukem #include <sys/cdefs.h>
     29  1.19.30.1    skrll __KERNEL_RCSID(0, "$NetBSD: com_mainbus.c,v 1.19.30.1 2015/09/22 12:05:39 skrll Exp $");
     30        1.1    soren 
     31        1.1    soren #include <sys/param.h>
     32       1.19     matt #include <sys/bus.h>
     33  1.19.30.1    skrll #include <sys/cpu.h>
     34       1.19     matt #include <sys/device.h>
     35       1.19     matt #include <sys/intr.h>
     36        1.1    soren #include <sys/systm.h>
     37        1.9  tsutsui #include <sys/termios.h>
     38        1.1    soren 
     39        1.1    soren #include <machine/autoconf.h>
     40        1.1    soren 
     41        1.1    soren #include <dev/ic/comreg.h>
     42        1.1    soren #include <dev/ic/comvar.h>
     43        1.1    soren 
     44       1.17  tsutsui #include <cobalt/cobalt/console.h>
     45        1.9  tsutsui #include <cobalt/dev/com_mainbusvar.h>
     46        1.1    soren 
     47        1.1    soren struct com_mainbus_softc {
     48        1.1    soren 	struct com_softc sc_com;
     49        1.1    soren 	void *sc_ih;
     50        1.1    soren };
     51        1.1    soren 
     52        1.9  tsutsui #define COM_MAINBUS_FREQ	(COM_FREQ * 10)
     53        1.9  tsutsui #define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */
     54        1.9  tsutsui 
     55       1.15     cube static int	com_mainbus_probe(device_t, cfdata_t , void *);
     56       1.15     cube static void	com_mainbus_attach(device_t, device_t, void *);
     57        1.1    soren 
     58       1.15     cube CFATTACH_DECL_NEW(com_mainbus, sizeof(struct com_mainbus_softc),
     59        1.5  thorpej     com_mainbus_probe, com_mainbus_attach, NULL, NULL);
     60        1.1    soren 
     61        1.1    soren int
     62       1.15     cube com_mainbus_probe(device_t parent, cfdata_t match, void *aux)
     63        1.1    soren {
     64        1.1    soren 
     65       1.13  tsutsui 	switch (cobalt_id) {
     66       1.13  tsutsui 	case COBALT_ID_RAQ:
     67       1.13  tsutsui 	case COBALT_ID_QUBE2:
     68       1.13  tsutsui 	case COBALT_ID_RAQ2:
     69       1.13  tsutsui 		return 1;
     70       1.13  tsutsui 	}
     71       1.13  tsutsui 
     72       1.13  tsutsui 	return 0;
     73        1.1    soren }
     74        1.1    soren 
     75        1.1    soren void
     76       1.15     cube com_mainbus_attach(device_t parent, device_t self, void *aux)
     77        1.1    soren {
     78       1.15     cube 	struct com_mainbus_softc *msc = device_private(self);
     79        1.1    soren 	struct com_softc *sc = &msc->sc_com;
     80        1.1    soren 	struct mainbus_attach_args *maa = aux;
     81       1.14  gdamore 	bus_space_handle_t	ioh;
     82        1.1    soren 
     83       1.15     cube 	sc->sc_dev = self;
     84       1.14  gdamore 	if (!com_is_console(maa->ma_iot, maa->ma_addr, &ioh) &&
     85       1.14  gdamore 	    bus_space_map(maa->ma_iot, maa->ma_addr, COM_NPORTS, 0, &ioh)) {
     86       1.15     cube 		aprint_error(": can't map i/o space\n");
     87        1.9  tsutsui 		return;
     88        1.9  tsutsui 	}
     89       1.14  gdamore 	COM_INIT_REGS(sc->sc_regs, maa->ma_iot, ioh, maa->ma_addr);
     90        1.1    soren 
     91        1.9  tsutsui 	sc->sc_frequency = COM_MAINBUS_FREQ;
     92        1.1    soren 
     93        1.1    soren 	com_attach_subr(sc);
     94        1.1    soren 
     95        1.2    soren 	cpu_intr_establish(maa->ma_level, IPL_SERIAL, comintr, sc);
     96        1.2    soren 
     97        1.1    soren 	return;
     98        1.1    soren }
     99        1.9  tsutsui 
    100        1.9  tsutsui void
    101        1.9  tsutsui com_mainbus_cnprobe(struct consdev *cn)
    102        1.9  tsutsui {
    103        1.9  tsutsui 
    104       1.17  tsutsui 	cn->cn_pri = (console_present != 0 && cobalt_id != COBALT_ID_QUBE2700)
    105       1.17  tsutsui 	    ? CN_NORMAL : CN_DEAD;
    106        1.9  tsutsui }
    107        1.9  tsutsui 
    108        1.9  tsutsui void
    109        1.9  tsutsui com_mainbus_cninit(struct consdev *cn)
    110        1.9  tsutsui {
    111        1.9  tsutsui 
    112       1.16  tsutsui 	comcnattach(0, COM_BASE, 115200, COM_MAINBUS_FREQ, COM_TYPE_NORMAL,
    113        1.9  tsutsui 	    CONMODE);
    114        1.9  tsutsui }
    115