mirror of
https://github.com/Stichting-MINIX-Research-Foundation/netbsd.git
synced 2025-08-14 16:40:59 -04:00
250 lines
8.5 KiB
C
250 lines
8.5 KiB
C
/* $NetBSD: com_arbus.c,v 1.10 2011/07/07 05:06:44 matt Exp $ */
|
|
/*-
|
|
* Copyright (c) 2006 Urbana-Champaign Independent Media Center.
|
|
* Copyright (c) 2006 Garrett D'Amore.
|
|
* All rights reserved.
|
|
*
|
|
* Portions of this code were written by Garrett D'Amore for the
|
|
* Champaign-Urbana Community Wireless Network Project.
|
|
*
|
|
* 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.
|
|
* 3. All advertising materials mentioning features or use of this
|
|
* software must display the following acknowledgements:
|
|
* This product includes software developed by the Urbana-Champaign
|
|
* Independent Media Center.
|
|
* This product includes software developed by Garrett D'Amore.
|
|
* 4. Urbana-Champaign Independent Media Center's name and Garrett
|
|
* D'Amore's name may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE URBANA-CHAMPAIGN INDEPENDENT
|
|
* MEDIA CENTER AND GARRETT D'AMORE ``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 URBANA-CHAMPAIGN INDEPENDENT
|
|
* MEDIA CENTER OR GARRETT D'AMORE 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.
|
|
*/
|
|
|
|
/*-
|
|
* Copyright (c) 1998 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Charles M. Hannum.
|
|
*
|
|
* 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
|
|
*/
|
|
|
|
/*-
|
|
* Copyright (c) 1991 The Regents of the University of California.
|
|
* 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.
|
|
* 3. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
|
|
*
|
|
* @(#)com.c 7.5 (Berkeley) 5/16/91
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__KERNEL_RCSID(0, "$NetBSD: com_arbus.c,v 1.10 2011/07/07 05:06:44 matt Exp $");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/device.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/termios.h>
|
|
#include <sys/ttydefaults.h>
|
|
#include <sys/types.h>
|
|
|
|
#include <sys/bus.h>
|
|
|
|
#include <dev/cons.h>
|
|
#include <dev/ic/comreg.h>
|
|
#include <dev/ic/comvar.h>
|
|
|
|
#include <mips/cpuregs.h>
|
|
#include <mips/atheros/include/arbusvar.h>
|
|
|
|
#include "opt_com.h"
|
|
|
|
struct com_arbus_softc {
|
|
struct com_softc sc_com;
|
|
};
|
|
|
|
static void com_arbus_initmap(struct com_regs *);
|
|
//static bus_space_tag_t com_arbus_get_bus_space_tag(void);
|
|
static int com_arbus_match(device_t, cfdata_t , void *);
|
|
static void com_arbus_attach(device_t, device_t, void *);
|
|
|
|
CFATTACH_DECL_NEW(com_arbus, sizeof(struct com_arbus_softc),
|
|
com_arbus_match, com_arbus_attach, NULL, NULL);
|
|
|
|
#if 0
|
|
#ifdef TTYDEF_SPEED
|
|
#define COM_ARBUS_BAUD TTYDEF_SPEED
|
|
#else
|
|
#define COM_ARBUS_BAUD 115200
|
|
#endif
|
|
#endif
|
|
|
|
#ifndef COM_ARBUS_BAUD
|
|
#define COM_ARBUS_BAUD 115200
|
|
#endif
|
|
|
|
int com_arbus_baud = COM_ARBUS_BAUD;
|
|
|
|
#define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */
|
|
|
|
#ifndef COM_REGMAP
|
|
#error COM_REGMAP not defined!
|
|
#endif
|
|
|
|
int
|
|
com_arbus_match(device_t parent, cfdata_t cf, void *aux)
|
|
{
|
|
struct arbus_attach_args *aa = aux;
|
|
struct com_regs regs;
|
|
int rv;
|
|
|
|
if (strcmp(aa->aa_name, cf->cf_name) != 0)
|
|
return 0;
|
|
|
|
if (com_is_console(aa->aa_bst, aa->aa_addr, ®s.cr_ioh))
|
|
return 1;
|
|
|
|
if (bus_space_map(aa->aa_bst, aa->aa_addr, aa->aa_size,
|
|
0, ®s.cr_ioh))
|
|
return 0;
|
|
|
|
regs.cr_iot = aa->aa_bst;
|
|
regs.cr_iobase = aa->aa_addr;
|
|
regs.cr_nports = aa->aa_size;
|
|
com_arbus_initmap(®s);
|
|
|
|
rv = com_probe_subr(®s);
|
|
|
|
bus_space_unmap(aa->aa_bst, regs.cr_ioh, aa->aa_size);
|
|
|
|
return rv;
|
|
}
|
|
|
|
void
|
|
com_arbus_attach(device_t parent, device_t self, void *aux)
|
|
{
|
|
struct com_arbus_softc *arsc = device_private(self);
|
|
struct com_softc *sc = &arsc->sc_com;
|
|
struct arbus_attach_args *aa = aux;
|
|
prop_number_t prop;
|
|
bus_space_handle_t ioh;
|
|
|
|
sc->sc_dev = self;
|
|
|
|
prop = prop_dictionary_get(device_properties(sc->sc_dev),
|
|
"frequency");
|
|
if (prop == NULL) {
|
|
aprint_error(": unable to get frequency property\n");
|
|
return;
|
|
}
|
|
KASSERT(prop_object_type(prop) == PROP_TYPE_NUMBER);
|
|
|
|
sc->sc_frequency = (int)prop_number_integer_value(prop);
|
|
|
|
if (!com_is_console(aa->aa_bst, aa->aa_addr, &ioh)
|
|
&& bus_space_map(aa->aa_bst, aa->aa_addr, aa->aa_size, 0,
|
|
&ioh) != 0) {
|
|
aprint_error(": can't map registers\n");
|
|
return;
|
|
}
|
|
|
|
COM_INIT_REGS(sc->sc_regs, aa->aa_bst, ioh, aa->aa_addr);
|
|
sc->sc_regs.cr_nports = aa->aa_size;
|
|
com_arbus_initmap(&sc->sc_regs);
|
|
|
|
com_attach_subr(sc);
|
|
|
|
arbus_intr_establish(aa->aa_cirq, aa->aa_mirq, comintr, sc);
|
|
}
|
|
|
|
void
|
|
com_arbus_initmap(struct com_regs *regsp)
|
|
{
|
|
|
|
/* rewrite the map to shift for alignment */
|
|
for (size_t i = 0; i < __arraycount(regsp->cr_map); i++) {
|
|
regsp->cr_map[i] = (com_std_map[i] * 4) + 3;
|
|
}
|
|
}
|
|
|
|
void
|
|
com_arbus_cnattach(bus_addr_t addr, uint32_t freq)
|
|
{
|
|
struct com_regs regs;
|
|
|
|
regs.cr_iot = arbus_get_bus_space_tag();
|
|
regs.cr_iobase = addr;
|
|
regs.cr_nports = 0x1000;
|
|
com_arbus_initmap(®s);
|
|
|
|
if (bus_space_map(regs.cr_iot, regs.cr_iobase, regs.cr_nports, 0,
|
|
®s.cr_ioh))
|
|
return;
|
|
|
|
comcnattach1(®s, com_arbus_baud, freq, COM_TYPE_NORMAL, CONMODE);
|
|
}
|
|
|