NetBSD/sys/arch/evbarm/armadillo/armadillo9_com.c

118 lines
3.6 KiB
C

/* $NetBSD: armadillo9_com.c,v 1.6 2012/11/12 18:00:38 skrll Exp $ */
/*
* Copyright (c) 2002
* Ichiro FUKUHARA <ichiro@ichiro.org>.
* 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 ICHIRO FUKUHARA ``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 ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD 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: armadillo9_com.c,v 1.6 2012/11/12 18:00:38 skrll Exp $");
/* Front-end of epcom */
#include <sys/types.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <sys/param.h>
#include <sys/malloc.h>
#include <sys/termios.h>
#include <machine/intr.h>
#include <sys/bus.h>
#include <arm/ep93xx/epcomreg.h>
#include <arm/ep93xx/epcomvar.h>
#include <arm/ep93xx/ep93xxreg.h>
#include <arm/ep93xx/ep93xxvar.h>
#include <arm/ep93xx/epsocvar.h>
#include "epled.h"
#if NEPLED > 0
#include <arm/ep93xx/epledvar.h>
#endif
#include <evbarm/armadillo/armadillo9var.h>
static int armadillo9com_match(device_t, cfdata_t, void *);
static void armadillo9com_attach(device_t, device_t, void *);
static int armadillo9com_intr(void *);
CFATTACH_DECL_NEW(armadillo9com, sizeof(struct epcom_softc),
armadillo9com_match, armadillo9com_attach, NULL, NULL);
static int
armadillo9com_match(device_t parent, cfdata_t match, void *aux)
{
if (strcmp(match->cf_name, "epcom") == 0)
return 1;
return 0;
}
static void
armadillo9com_attach(device_t parent, device_t self, void *aux)
{
struct epcom_softc *sc = device_private(self);
struct epsoc_attach_args *sa = aux;
uint32_t pwrcnt;
bus_space_handle_t ioh;
sc->sc_dev = self;
sc->sc_iot = sa->sa_iot;
sc->sc_hwbase = sa->sa_addr;
printf("\n");
bus_space_map(sa->sa_iot, sa->sa_addr, sa->sa_size, 0, &sc->sc_ioh);
bus_space_map(sa->sa_iot, EP93XX_APB_HWBASE + EP93XX_APB_SYSCON,
EP93XX_APB_SYSCON_SIZE, 0, &ioh);
pwrcnt = bus_space_read_4(sa->sa_iot, ioh, EP93XX_SYSCON_PwrCnt);
pwrcnt &= ~(PwrCnt_UARTBAUD);
bus_space_write_4(sa->sa_iot, ioh, EP93XX_SYSCON_PwrCnt, pwrcnt);
bus_space_unmap(sa->sa_iot, ioh, EP93XX_APB_SYSCON_SIZE);
epcom_attach_subr(sc);
ep93xx_intr_establish(sa->sa_intr, IPL_SERIAL, armadillo9com_intr, sc);
#if NEPLED > 0
if (armadillo_model->devcfg == DEVCFG_ARMADILLO210)
epled_red_off();
#endif
}
static int
armadillo9com_intr(void *arg)
{
int n;
#if NEPLED > 0
if (armadillo_model->devcfg == DEVCFG_ARMADILLO210)
epled_red_on();
#endif
n = epcomintr(arg);
#if NEPLED > 0
if (armadillo_model->devcfg == DEVCFG_ARMADILLO210)
epled_red_off();
#endif
return n;
}