2004-07-29 23:10:23 +04:00
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/* $OpenBSD: com_dino.c,v 1.1 2004/02/13 20:39:31 mickey Exp $ */
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/*
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* Copyright (c) 2004 Michael Shalayeff
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF MIND,
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <sys/tty.h>
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#include <machine/bus.h>
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#include <machine/intr.h>
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#include <machine/iomod.h>
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#include <machine/autoconf.h>
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#include <dev/ic/comreg.h>
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#include <dev/ic/comvar.h>
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#include <hp700/dev/cpudevs.h>
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void *dino_intr_establish(void *sc, int irq, int pri,
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int (*handler)(void *v), void *arg);
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#define COM_DINO_FREQ 7272700
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struct com_dino_softc {
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struct com_softc sc_com; /* real "com" softc */
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void *sc_ih; /* interrupt handler */
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};
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struct com_dino_regs {
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u_int8_t reset;
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u_int8_t pad0[3];
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u_int8_t test;
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#define COM_DINO_PAR_LOOP 0x01
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#define COM_DINO_CLK_SEL 0x02
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u_int8_t pad1[3];
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u_int32_t iodc;
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u_int8_t pad2[0x54];
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u_int8_t dither;
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};
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int com_dino_match(struct device *, struct cfdata *, void *);
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void com_dino_attach(struct device *, struct device *, void *);
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CFATTACH_DECL(com_dino, sizeof(struct com_dino_softc), com_dino_match,
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com_dino_attach, NULL, NULL);
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int
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com_dino_match(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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struct confargs *ca = aux;
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if (ca->ca_type.iodc_type != HPPA_TYPE_FIO ||
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ca->ca_type.iodc_sv_model != HPPA_FIO_GRS232)
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return (0);
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return (1);
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/* HOZER comprobe1(ca->ca_iot, ca->ca_hpa + IOMOD_DEVOFFSET); */
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}
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void
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com_dino_attach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct com_softc *sc = (void *)self;
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struct com_dino_softc *sc_dino = (void *)self;
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struct confargs *ca = aux;
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struct com_dino_regs *regs = (struct com_dino_regs *)ca->ca_hpa;
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2006-07-14 02:56:00 +04:00
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bus_addr_t iobase;
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bus_space_handle_t ioh;
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2004-07-29 23:10:23 +04:00
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2006-07-14 02:56:00 +04:00
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iobase = (bus_addr_t)ca->ca_hpa + IOMOD_DEVOFFSET;
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2004-07-29 23:10:23 +04:00
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#ifdef work_in_progress
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2006-07-14 02:56:00 +04:00
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/*
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* XXX: gdamore: this is all wrong, the correct way is to use
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* com_is_console() as a test, which takes the bus_space_tag
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* and io base addresses as arguments. comconsioh is not
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* present anymore, and was never really exported anyway.
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*
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* This code was already ifdef'd out, but if someone wants me
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* to fix it, let me know and I'll try to do so. I don't have
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* hp700 h/w to test with, though. - gdamore@NetBSD.org
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*/
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2004-07-29 23:10:23 +04:00
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if (sc->sc_iobase == CONADDR)
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sc->sc_ioh = comconsioh;
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else
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#endif
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2006-07-14 02:56:00 +04:00
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if (bus_space_map(ca->ca_iot, iobase, COM_NPORTS, 0, &ioh)) {
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printf(": cannot map io space\n");
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return;
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}
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COM_INIT_REGS(sc->sc_regs, ca->ca_iot, ioh, iobase);
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2004-07-29 23:10:23 +04:00
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#ifdef work_in_progress
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2006-07-14 02:56:00 +04:00
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/* XXX gdamore: wtf? */
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2004-07-29 23:10:23 +04:00
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if (sc->sc_iobase != CONADDR) {
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/* regs->reset = 0xd0;
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DELAY(1000); */
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}
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#endif
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/* select clock freq */
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regs->test = COM_DINO_CLK_SEL;
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sc->sc_frequency = COM_DINO_FREQ;
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com_attach_subr(sc);
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sc_dino->sc_ih = dino_intr_establish(parent, ca->ca_irq, IPL_TTY,
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comintr, sc);
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}
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