1 /* $NetBSD: armadillo9_com.c,v 1.4 2011/07/01 20:38:16 dyoung 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: armadillo9_com.c,v 1.4 2011/07/01 20:38:16 dyoung 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 <sys/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 #include "epled.h" 51 #if NEPLED > 0 52 #include <arm/ep93xx/epledvar.h> 53 #endif 54 #include <evbarm/armadillo/armadillo9var.h> 55 56 static int armadillo9com_match(struct device *, struct cfdata *, void *); 57 static void armadillo9com_attach(struct device *, struct device *, void *); 58 static int armadillo9com_intr(void *); 59 60 CFATTACH_DECL(armadillo9com, sizeof(struct epcom_softc), 61 armadillo9com_match, armadillo9com_attach, NULL, NULL); 62 63 static int 64 armadillo9com_match(struct device *parent, struct cfdata *match, void *aux) 65 { 66 if (strcmp(match->cf_name, "epcom") == 0) 67 return 1; 68 return 0; 69 } 70 71 static void 72 armadillo9com_attach(struct device *parent, struct device *self, void *aux) 73 { 74 struct epcom_softc *sc = (struct epcom_softc *)self; 75 struct epsoc_attach_args *sa = aux; 76 u_int32_t pwrcnt; 77 bus_space_handle_t ioh; 78 79 sc->sc_iot = sa->sa_iot; 80 sc->sc_hwbase = sa->sa_addr; 81 82 printf("\n"); 83 84 bus_space_map(sa->sa_iot, sa->sa_addr, sa->sa_size, 0, &sc->sc_ioh); 85 86 bus_space_map(sa->sa_iot, EP93XX_APB_HWBASE + EP93XX_APB_SYSCON, 87 EP93XX_APB_SYSCON_SIZE, 0, &ioh); 88 pwrcnt = bus_space_read_4(sa->sa_iot, ioh, EP93XX_SYSCON_PwrCnt); 89 pwrcnt &= ~(PwrCnt_UARTBAUD); 90 bus_space_write_4(sa->sa_iot, ioh, EP93XX_SYSCON_PwrCnt, pwrcnt); 91 bus_space_unmap(sa->sa_iot, ioh, EP93XX_APB_SYSCON_SIZE); 92 93 epcom_attach_subr(sc); 94 ep93xx_intr_establish(sa->sa_intr, IPL_SERIAL, armadillo9com_intr, sc); 95 #if NEPLED > 0 96 if (armadillo_model->devcfg == DEVCFG_ARMADILLO210) 97 epled_red_off(); 98 #endif 99 } 100 101 static int 102 armadillo9com_intr(void *arg) 103 { 104 int n; 105 106 #if NEPLED > 0 107 if (armadillo_model->devcfg == DEVCFG_ARMADILLO210) 108 epled_red_on(); 109 #endif 110 n = epcomintr(arg); 111 #if NEPLED > 0 112 if (armadillo_model->devcfg == DEVCFG_ARMADILLO210) 113 epled_red_off(); 114 #endif 115 return n; 116 } 117