sys/arch/evbarm/tsarm/epcom_ts.c

   1 /*      $NetBSD: epcom_ts.c,v 1.3 2009/03/14 15:36:05 dsl Exp $ */
   2 /*
   3  * Copyright (c) 2002
   4  *      Ichiro FUKUHARA <ichiro@ichiro.org>.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR
  20  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  */
  28
  29 #include <sys/cdefs.h>
  30 __KERNEL_RCSID(0, "$NetBSD: epcom_ts.c,v 1.3 2009/03/14 15:36:05 dsl Exp $");
  31
  32 /* Front-end of epcom */
  33
  34 #include <sys/types.h>
  35 #include <sys/device.h>
  36 #include <sys/systm.h>
  37 #include <sys/param.h>
  38 #include <sys/malloc.h>
  39
  40 #include <sys/termios.h>
  41
  42 #include <machine/intr.h>
  43 #include <machine/bus.h>
  44
  45 #include <arm/ep93xx/epcomreg.h>
  46 #include <arm/ep93xx/epcomvar.h>
  47 #include <arm/ep93xx/ep93xxreg.h>
  48 #include <arm/ep93xx/ep93xxvar.h>
  49 #include <arm/ep93xx/epsocvar.h>
  50
  51 #include <evbarm/tsarm/epcom_tsvar.h>
  52
  53 static int      epcom_ts_match(struct device *, struct cfdata *, void *);
  54 static void     epcom_ts_attach(struct device *, struct device *, void *);
  55
  56 CFATTACH_DECL(epcom_ts, sizeof(struct epcom_ts_softc),
  57     epcom_ts_match, epcom_ts_attach, NULL, NULL);
  58
  59 static int
  60 epcom_ts_match(struct device *parent, struct cfdata *match, void *aux)
  61 {
  62         if (strcmp(match->cf_name, "epcom") == 0)
  63                 return 1;
  64         return 0;
  65 }
  66
  67 static void
  68 epcom_ts_attach(parent, self, aux)
  69         struct device *parent;
  70         struct device *self;
  71         void *aux;
  72 {
  73         struct epcom_ts_softc *esc = (struct epcom_ts_softc *)self;
  74         struct epcom_softc *sc = &esc->sc_epcom;
  75         struct epsoc_attach_args *sa = aux;
  76         u_int32_t pwrcnt;
  77         bus_space_handle_t ioh;
  78
  79         esc->sc_iot = sa->sa_iot;
  80         sc->sc_iot = sa->sa_iot;
  81         sc->sc_hwbase = sa->sa_addr;
  82
  83         printf("\n");
  84
  85         bus_space_map(sa->sa_iot, sa->sa_addr, sa->sa_size, 0, &sc->sc_ioh);
  86
  87         bus_space_map(sa->sa_iot, EP93XX_APB_HWBASE + EP93XX_APB_SYSCON,
  88                 EP93XX_APB_SYSCON_SIZE, 0, &ioh);
  89         pwrcnt = bus_space_read_4(sa->sa_iot, ioh, EP93XX_SYSCON_PwrCnt);
  90         pwrcnt &= ~(PwrCnt_UARTBAUD);
  91         bus_space_write_4(sa->sa_iot, ioh, EP93XX_SYSCON_PwrCnt, pwrcnt);
  92         bus_space_unmap(sa->sa_iot, ioh, EP93XX_APB_SYSCON_SIZE);
  93
  94         epcom_attach_subr(sc);
  95         ep93xx_intr_establish(sa->sa_intr, IPL_SERIAL, epcomintr, sc);
  96 }