1 /* $NetBSD: epcom_ts.c,v 1.4 2009/10/21 14:15:51 rmind 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 1.4 2009/10/21 14:15:51 rmind 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 } 97