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 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Ichiro FUKUHARA. 18 * 4. The name of the company nor the name of the author may be used to 19 * endorse or promote products derived from this software without specific 20 * prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR 26 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 __KERNEL_RCSID(0, "$NetBSD: epcom_ts.c,v 1.3 2009/03/14 15:36:05 dsl Exp $"); 37 38 /* Front-end of epcom */ 39 40 #include <sys/types.h> 41 #include <sys/device.h> 42 #include <sys/systm.h> 43 #include <sys/param.h> 44 #include <sys/malloc.h> 45 46 #include <sys/termios.h> 47 48 #include <machine/intr.h> 49 #include <machine/bus.h> 50 51 #include <arm/ep93xx/epcomreg.h> 52 #include <arm/ep93xx/epcomvar.h> 53 #include <arm/ep93xx/ep93xxreg.h> 54 #include <arm/ep93xx/ep93xxvar.h> 55 #include <arm/ep93xx/epsocvar.h> 56 57 #include <evbarm/tsarm/epcom_tsvar.h> 58 59 static int epcom_ts_match(struct device *, struct cfdata *, void *); 60 static void epcom_ts_attach(struct device *, struct device *, void *); 61 62 CFATTACH_DECL(epcom_ts, sizeof(struct epcom_ts_softc), 63 epcom_ts_match, epcom_ts_attach, NULL, NULL); 64 65 static int 66 epcom_ts_match(struct device *parent, struct cfdata *match, void *aux) 67 { 68 if (strcmp(match->cf_name, "epcom") == 0) 69 return 1; 70 return 0; 71 } 72 73 static void 74 epcom_ts_attach(parent, self, aux) 75 struct device *parent; 76 struct device *self; 77 void *aux; 78 { 79 struct epcom_ts_softc *esc = (struct epcom_ts_softc *)self; 80 struct epcom_softc *sc = &esc->sc_epcom; 81 struct epsoc_attach_args *sa = aux; 82 u_int32_t pwrcnt; 83 bus_space_handle_t ioh; 84 85 esc->sc_iot = sa->sa_iot; 86 sc->sc_iot = sa->sa_iot; 87 sc->sc_hwbase = sa->sa_addr; 88 89 printf("\n"); 90 91 bus_space_map(sa->sa_iot, sa->sa_addr, sa->sa_size, 0, &sc->sc_ioh); 92 93 bus_space_map(sa->sa_iot, EP93XX_APB_HWBASE + EP93XX_APB_SYSCON, 94 EP93XX_APB_SYSCON_SIZE, 0, &ioh); 95 pwrcnt = bus_space_read_4(sa->sa_iot, ioh, EP93XX_SYSCON_PwrCnt); 96 pwrcnt &= ~(PwrCnt_UARTBAUD); 97 bus_space_write_4(sa->sa_iot, ioh, EP93XX_SYSCON_PwrCnt, pwrcnt); 98 bus_space_unmap(sa->sa_iot, ioh, EP93XX_APB_SYSCON_SIZE); 99 100 epcom_attach_subr(sc); 101 ep93xx_intr_establish(sa->sa_intr, IPL_SERIAL, epcomintr, sc); 102 } 103