140 lines
4.0 KiB
C
140 lines
4.0 KiB
C
/* $OpenBSD: com_dino.c,v 1.1 2004/02/13 20:39:31 mickey Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2004 Michael Shalayeff
|
|
* All rights reserved.
|
|
*
|
|
* 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 AUTHOR ``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 AUTHOR 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 MIND,
|
|
* 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.
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/device.h>
|
|
#include <sys/tty.h>
|
|
|
|
#include <machine/bus.h>
|
|
#include <machine/intr.h>
|
|
#include <machine/iomod.h>
|
|
#include <machine/autoconf.h>
|
|
|
|
#include <dev/ic/comreg.h>
|
|
#include <dev/ic/comvar.h>
|
|
|
|
#include <hp700/dev/cpudevs.h>
|
|
|
|
void *dino_intr_establish(void *sc, int irq, int pri,
|
|
int (*handler)(void *v), void *arg);
|
|
|
|
#define COM_DINO_FREQ 7272700
|
|
|
|
struct com_dino_softc {
|
|
struct com_softc sc_com; /* real "com" softc */
|
|
void *sc_ih; /* interrupt handler */
|
|
};
|
|
|
|
struct com_dino_regs {
|
|
u_int8_t reset;
|
|
u_int8_t pad0[3];
|
|
u_int8_t test;
|
|
#define COM_DINO_PAR_LOOP 0x01
|
|
#define COM_DINO_CLK_SEL 0x02
|
|
u_int8_t pad1[3];
|
|
u_int32_t iodc;
|
|
u_int8_t pad2[0x54];
|
|
u_int8_t dither;
|
|
};
|
|
|
|
int com_dino_match(struct device *, struct cfdata *, void *);
|
|
void com_dino_attach(struct device *, struct device *, void *);
|
|
|
|
CFATTACH_DECL(com_dino, sizeof(struct com_dino_softc), com_dino_match,
|
|
com_dino_attach, NULL, NULL);
|
|
|
|
int
|
|
com_dino_match(parent, match, aux)
|
|
struct device *parent;
|
|
struct cfdata *match;
|
|
void *aux;
|
|
{
|
|
struct confargs *ca = aux;
|
|
|
|
if (ca->ca_type.iodc_type != HPPA_TYPE_FIO ||
|
|
ca->ca_type.iodc_sv_model != HPPA_FIO_GRS232)
|
|
return (0);
|
|
|
|
return (1);
|
|
/* HOZER comprobe1(ca->ca_iot, ca->ca_hpa + IOMOD_DEVOFFSET); */
|
|
}
|
|
|
|
void
|
|
com_dino_attach(parent, self, aux)
|
|
struct device *parent, *self;
|
|
void *aux;
|
|
{
|
|
struct com_softc *sc = (void *)self;
|
|
struct com_dino_softc *sc_dino = (void *)self;
|
|
struct confargs *ca = aux;
|
|
struct com_dino_regs *regs = (struct com_dino_regs *)ca->ca_hpa;
|
|
bus_addr_t iobase;
|
|
bus_space_handle_t ioh;
|
|
|
|
iobase = (bus_addr_t)ca->ca_hpa + IOMOD_DEVOFFSET;
|
|
|
|
#ifdef work_in_progress
|
|
/*
|
|
* XXX: gdamore: this is all wrong, the correct way is to use
|
|
* com_is_console() as a test, which takes the bus_space_tag
|
|
* and io base addresses as arguments. comconsioh is not
|
|
* present anymore, and was never really exported anyway.
|
|
*
|
|
* This code was already ifdef'd out, but if someone wants me
|
|
* to fix it, let me know and I'll try to do so. I don't have
|
|
* hp700 h/w to test with, though. - gdamore@NetBSD.org
|
|
*/
|
|
if (sc->sc_iobase == CONADDR)
|
|
sc->sc_ioh = comconsioh;
|
|
else
|
|
#endif
|
|
|
|
if (bus_space_map(ca->ca_iot, iobase, COM_NPORTS, 0, &ioh)) {
|
|
printf(": cannot map io space\n");
|
|
return;
|
|
}
|
|
COM_INIT_REGS(sc->sc_regs, ca->ca_iot, ioh, iobase);
|
|
|
|
#ifdef work_in_progress
|
|
/* XXX gdamore: wtf? */
|
|
if (sc->sc_iobase != CONADDR) {
|
|
/* regs->reset = 0xd0;
|
|
DELAY(1000); */
|
|
}
|
|
#endif
|
|
|
|
/* select clock freq */
|
|
regs->test = COM_DINO_CLK_SEL;
|
|
sc->sc_frequency = COM_DINO_FREQ;
|
|
|
|
com_attach_subr(sc);
|
|
|
|
sc_dino->sc_ih = dino_intr_establish(parent, ca->ca_irq, IPL_TTY,
|
|
comintr, sc);
|
|
}
|