1 /* $NetBSD: armadillo9_com.c,v 1.2 2006/02/13 12:24:21 hamajima 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: armadillo9_com.c,v 1.2 2006/02/13 12:24:21 hamajima 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 #include "epled.h" 57 #if NEPLED > 0 58 #include <arm/ep93xx/epledvar.h> 59 #endif 60 #include <evbarm/armadillo/armadillo9var.h> 61 62 static int armadillo9com_match(struct device *, struct cfdata *, void *); 63 static void armadillo9com_attach(struct device *, struct device *, void *); 64 static int armadillo9com_intr(void *); 65 66 CFATTACH_DECL(armadillo9com, sizeof(struct epcom_softc), 67 armadillo9com_match, armadillo9com_attach, NULL, NULL); 68 69 static int 70 armadillo9com_match(struct device *parent, struct cfdata *match, void *aux) 71 { 72 if (strcmp(match->cf_name, "epcom") == 0) 73 return 1; 74 return 0; 75 } 76 77 static void 78 armadillo9com_attach(struct device *parent, struct device *self, void *aux) 79 { 80 struct epcom_softc *sc = (struct epcom_softc *)self; 81 struct epsoc_attach_args *sa = aux; 82 u_int32_t pwrcnt; 83 bus_space_handle_t ioh; 84 85 sc->sc_iot = sa->sa_iot; 86 sc->sc_hwbase = sa->sa_addr; 87 88 printf("\n"); 89 90 bus_space_map(sa->sa_iot, sa->sa_addr, sa->sa_size, 0, &sc->sc_ioh); 91 92 bus_space_map(sa->sa_iot, EP93XX_APB_HWBASE + EP93XX_APB_SYSCON, 93 EP93XX_APB_SYSCON_SIZE, 0, &ioh); 94 pwrcnt = bus_space_read_4(sa->sa_iot, ioh, EP93XX_SYSCON_PwrCnt); 95 pwrcnt &= ~(PwrCnt_UARTBAUD); 96 bus_space_write_4(sa->sa_iot, ioh, EP93XX_SYSCON_PwrCnt, pwrcnt); 97 bus_space_unmap(sa->sa_iot, ioh, EP93XX_APB_SYSCON_SIZE); 98 99 epcom_attach_subr(sc); 100 ep93xx_intr_establish(sa->sa_intr, IPL_SERIAL, armadillo9com_intr, sc); 101 #if NEPLED > 0 102 if (armadillo_model->devcfg == DEVCFG_ARMADILLO210) 103 epled_red_off(); 104 #endif 105 } 106 107 static int 108 armadillo9com_intr(void *arg) 109 { 110 int n; 111 112 #if NEPLED > 0 113 if (armadillo_model->devcfg == DEVCFG_ARMADILLO210) 114 epled_red_on(); 115 #endif 116 n = epcomintr(arg); 117 #if NEPLED > 0 118 if (armadillo_model->devcfg == DEVCFG_ARMADILLO210) 119 epled_red_off(); 120 #endif 121 return n; 122 } 123