115 lines
3.3 KiB
C
115 lines
3.3 KiB
C
/* $NetBSD: com_mainbus.c,v 1.20 2015/06/09 22:47:59 matt Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2000 Soren S. Jorvang. 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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 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/cdefs.h>
|
|
__KERNEL_RCSID(0, "$NetBSD: com_mainbus.c,v 1.20 2015/06/09 22:47:59 matt Exp $");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/cpu.h>
|
|
#include <sys/device.h>
|
|
#include <sys/intr.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/termios.h>
|
|
|
|
#include <machine/autoconf.h>
|
|
|
|
#include <dev/ic/comreg.h>
|
|
#include <dev/ic/comvar.h>
|
|
|
|
#include <cobalt/cobalt/console.h>
|
|
#include <cobalt/dev/com_mainbusvar.h>
|
|
|
|
struct com_mainbus_softc {
|
|
struct com_softc sc_com;
|
|
void *sc_ih;
|
|
};
|
|
|
|
#define COM_MAINBUS_FREQ (COM_FREQ * 10)
|
|
#define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */
|
|
|
|
static int com_mainbus_probe(device_t, cfdata_t , void *);
|
|
static void com_mainbus_attach(device_t, device_t, void *);
|
|
|
|
CFATTACH_DECL_NEW(com_mainbus, sizeof(struct com_mainbus_softc),
|
|
com_mainbus_probe, com_mainbus_attach, NULL, NULL);
|
|
|
|
int
|
|
com_mainbus_probe(device_t parent, cfdata_t match, void *aux)
|
|
{
|
|
|
|
switch (cobalt_id) {
|
|
case COBALT_ID_RAQ:
|
|
case COBALT_ID_QUBE2:
|
|
case COBALT_ID_RAQ2:
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
com_mainbus_attach(device_t parent, device_t self, void *aux)
|
|
{
|
|
struct com_mainbus_softc *msc = device_private(self);
|
|
struct com_softc *sc = &msc->sc_com;
|
|
struct mainbus_attach_args *maa = aux;
|
|
bus_space_handle_t ioh;
|
|
|
|
sc->sc_dev = self;
|
|
if (!com_is_console(maa->ma_iot, maa->ma_addr, &ioh) &&
|
|
bus_space_map(maa->ma_iot, maa->ma_addr, COM_NPORTS, 0, &ioh)) {
|
|
aprint_error(": can't map i/o space\n");
|
|
return;
|
|
}
|
|
COM_INIT_REGS(sc->sc_regs, maa->ma_iot, ioh, maa->ma_addr);
|
|
|
|
sc->sc_frequency = COM_MAINBUS_FREQ;
|
|
|
|
com_attach_subr(sc);
|
|
|
|
cpu_intr_establish(maa->ma_level, IPL_SERIAL, comintr, sc);
|
|
|
|
return;
|
|
}
|
|
|
|
void
|
|
com_mainbus_cnprobe(struct consdev *cn)
|
|
{
|
|
|
|
cn->cn_pri = (console_present != 0 && cobalt_id != COBALT_ID_QUBE2700)
|
|
? CN_NORMAL : CN_DEAD;
|
|
}
|
|
|
|
void
|
|
com_mainbus_cninit(struct consdev *cn)
|
|
{
|
|
|
|
comcnattach(0, COM_BASE, 115200, COM_MAINBUS_FREQ, COM_TYPE_NORMAL,
|
|
CONMODE);
|
|
}
|