164 lines
4.7 KiB
C
164 lines
4.7 KiB
C
/* $NetBSD: sscom_s3c2410.c,v 1.2 2005/12/11 12:16:51 christos Exp $ */
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/*
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* Copyright (c) 2002, 2003 Fujitsu Component Limited
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* Copyright (c) 2002, 2003 Genetec Corporation
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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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* 3. Neither the name of The Fujitsu Component Limited nor the name of
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* Genetec corporation may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY FUJITSU COMPONENT LIMITED AND GENETEC
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* CORPORATION ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL FUJITSU COMPONENT LIMITED OR GENETEC
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* CORPORATION BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: sscom_s3c2410.c,v 1.2 2005/12/11 12:16:51 christos Exp $");
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#include "opt_sscom.h"
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#include "opt_ddb.h"
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#include "opt_kgdb.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/ioctl.h>
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#include <sys/select.h>
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#include <sys/tty.h>
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#include <sys/proc.h>
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#include <sys/user.h>
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#include <sys/conf.h>
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#include <sys/file.h>
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#include <sys/uio.h>
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#include <sys/kernel.h>
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#include <sys/syslog.h>
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#include <sys/types.h>
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#include <sys/device.h>
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#include <sys/malloc.h>
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#include <sys/timepps.h>
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#include <sys/vnode.h>
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#include <machine/intr.h>
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#include <machine/bus.h>
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#include <arm/s3c2xx0/s3c2410reg.h>
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#include <arm/s3c2xx0/s3c2410var.h>
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#include <arm/s3c2xx0/sscom_var.h>
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#include <sys/termios.h>
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static int sscom_match(struct device *, struct cfdata *, void *);
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static void sscom_attach(struct device *, struct device *, void *);
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CFATTACH_DECL(sscom, sizeof(struct sscom_softc), sscom_match,
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sscom_attach, NULL, NULL);
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const struct sscom_uart_info s3c2410_uart_config[] = {
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/* UART 0 */
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{
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0,
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S3C2410_INT_TXD0,
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S3C2410_INT_RXD0,
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S3C2410_INT_ERR0,
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S3C2410_UART_BASE(0),
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},
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/* UART 1 */
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{
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1,
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S3C2410_INT_TXD1,
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S3C2410_INT_RXD1,
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S3C2410_INT_ERR1,
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S3C2410_UART_BASE(1),
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},
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/* UART 2 */
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{
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2,
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S3C2410_INT_TXD2,
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S3C2410_INT_RXD2,
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S3C2410_INT_ERR2,
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S3C2410_UART_BASE(2),
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},
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};
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static int
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sscom_match(struct device *parent, struct cfdata *cf, void *aux)
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{
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struct s3c2xx0_attach_args *sa = aux;
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int unit = sa->sa_index;
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return unit == 0 || unit == 1;
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}
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static void
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sscom_attach(struct device *parent, struct device *self, void *aux)
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{
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struct sscom_softc *sc = (struct sscom_softc *)self;
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struct s3c2xx0_attach_args *sa = aux;
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int unit = sa->sa_index;
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bus_addr_t iobase = s3c2410_uart_config[unit].iobase;
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printf( ": UART%d addr=%lx", sa->sa_index, iobase );
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sc->sc_iot = s3c2xx0_softc->sc_iot;
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sc->sc_unit = unit;
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sc->sc_frequency = s3c2xx0_softc->sc_pclk;
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sc->sc_rx_irqno = s3c2410_uart_config[sa->sa_index].rx_int;
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sc->sc_tx_irqno = s3c2410_uart_config[sa->sa_index].tx_int;
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if (bus_space_map(sc->sc_iot, iobase, SSCOM_SIZE, 0, &sc->sc_ioh)) {
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printf( ": failed to map registers\n" );
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return;
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}
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printf("\n");
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s3c24x0_intr_establish(s3c2410_uart_config[unit].tx_int,
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IPL_SERIAL, IST_LEVEL, sscomtxintr, sc);
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s3c24x0_intr_establish(s3c2410_uart_config[unit].rx_int,
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IPL_SERIAL, IST_LEVEL, sscomrxintr, sc);
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s3c24x0_intr_establish(s3c2410_uart_config[unit].err_int,
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IPL_SERIAL, IST_LEVEL, sscomrxintr, sc);
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sscom_disable_txrxint(sc);
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sscom_attach_subr(sc);
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}
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int
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s3c2410_sscom_cnattach(bus_space_tag_t iot, int unit, int rate,
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int frequency, tcflag_t cflag)
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{
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return sscom_cnattach(iot, s3c2410_uart_config + unit,
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rate, frequency, cflag);
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}
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#ifdef KGDB
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int
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s3c2410_sscom_kgdb_attach(bus_space_tag_t iot, int unit, int rate,
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int frequency, tcflag_t cflag)
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{
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return sscom_kgdb_attach(iot, s3c2410_uart_config + unit,
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rate, frequency, cflag);
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}
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#endif /* KGDB */
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