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/* $OpenBSD: sscom_s3c2410.c,v 1.1 2008/11/26 14:39:14 drahn Exp $ */
/* $NetBSD: sscom_s3c2410.c,v 1.2 2005/12/11 12:16:51 christos Exp $ */
/*
* Copyright (c) 2002, 2003 Fujitsu Component Limited
* Copyright (c) 2002, 2003 Genetec Corporation
* 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 Fujitsu Component Limited nor the name of
* Genetec corporation may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY FUJITSU COMPONENT LIMITED AND GENETEC
* CORPORATION ``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 FUJITSU COMPONENT LIMITED OR GENETEC
* CORPORATION 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: sscom_s3c2410.c,v 1.2 2005/12/11 12:16:51 christos Exp $");
#include "opt_sscom.h"
#include "opt_ddb.h"
#include "opt_kgdb.h"
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/ioctl.h>
#include <sys/select.h>
#include <sys/tty.h>
#include <sys/proc.h>
#include <sys/user.h>
#include <sys/conf.h>
#include <sys/file.h>
#include <sys/uio.h>
#include <sys/kernel.h>
#include <sys/syslog.h>
#include <sys/types.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <sys/vnode.h>
#include <machine/intr.h>
#include <machine/bus.h>
#include <arm/s3c2xx0/s3c2410reg.h>
#include <arm/s3c2xx0/s3c2410var.h>
#include <arm/s3c2xx0/sscom_var.h>
#include <sys/termios.h>
int sscom_match(struct device *, void *, void *);
void sscom_attach(struct device *, struct device *, void *);
int s3c2410_sscom_cnattach(bus_space_tag_t iot, int unit, int rate,
int frequency, tcflag_t cflag);
#if 0
CFATTACH_DECL(sscom, sizeof(struct sscom_softc), sscom_match,
sscom_attach, NULL, NULL);
#endif
struct cfdriver sscom_cd = {
NULL, "com", DV_TTY
};
struct cfattach sscom_ca = {
sizeof(struct sscom_softc), sscom_match, sscom_attach
};
const struct sscom_uart_info s3c2410_uart_config[] = {
/* UART 0 */
{
0,
S3C2410_INT_TXD0,
S3C2410_INT_RXD0,
S3C2410_INT_ERR0,
S3C2410_UART_BASE(0),
},
/* UART 1 */
{
1,
S3C2410_INT_TXD1,
S3C2410_INT_RXD1,
S3C2410_INT_ERR1,
S3C2410_UART_BASE(1),
},
/* UART 2 */
{
2,
S3C2410_INT_TXD2,
S3C2410_INT_RXD2,
S3C2410_INT_ERR2,
S3C2410_UART_BASE(2),
},
};
int
sscom_match(struct device *parent, void *c, void *aux)
{
struct s3c2xx0_attach_args *sa = aux;
int unit = sa->sa_index;
return unit == 0 || unit == 1;
}
void
sscom_attach(struct device *parent, struct device *self, void *aux)
{
struct sscom_softc *sc = (struct sscom_softc *)self;
struct s3c2xx0_attach_args *sa = aux;
int unit = sa->sa_index;
bus_addr_t iobase = s3c2410_uart_config[unit].iobase;
printf( ": UART%d addr=%lx", sa->sa_index, iobase );
sc->sc_iot = s3c2xx0_softc->sc_iot;
sc->sc_unit = unit;
sc->sc_frequency = s3c2xx0_softc->sc_pclk;
sc->sc_rx_irqno = s3c2410_uart_config[sa->sa_index].rx_int;
sc->sc_tx_irqno = s3c2410_uart_config[sa->sa_index].tx_int;
if (bus_space_map(sc->sc_iot, iobase, SSCOM_SIZE, 0, &sc->sc_ioh)) {
printf( ": failed to map registers\n" );
return;
}
printf("\n");
s3c24x0_intr_establish(s3c2410_uart_config[unit].tx_int,
IPL_SERIAL, IST_LEVEL, sscomtxintr, sc);
s3c24x0_intr_establish(s3c2410_uart_config[unit].rx_int,
IPL_SERIAL, IST_LEVEL, sscomrxintr, sc);
s3c24x0_intr_establish(s3c2410_uart_config[unit].err_int,
IPL_SERIAL, IST_LEVEL, sscomrxintr, sc);
sscom_disable_txrxint(sc);
sscom_attach_subr(sc);
}
int
s3c2410_sscom_cnattach(bus_space_tag_t iot, int unit, int rate,
int frequency, tcflag_t cflag)
{
return sscom_cnattach(iot, s3c2410_uart_config + unit,
rate, frequency, cflag);
}
#ifdef KGDB
int
s3c2410_sscom_kgdb_attach(bus_space_tag_t iot, int unit, int rate,
int frequency, tcflag_t cflag)
{
return sscom_kgdb_attach(iot, s3c2410_uart_config + unit,
rate, frequency, cflag);
}
#endif /* KGDB */
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