1 /* 2 * Copyright 2006 Kyma Systems LLC. 3 * All rights reserved. 4 * 5 * Written by Sanjay Lal <sanjayl@kymasys.com> 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 for the NetBSD Project by 18 * Kyma Systems LLC. 19 * 4. The name of Kyma Systems LLC may not be used to endorse 20 * or promote products derived from this software without specific prior 21 * written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY KYMA SYSTEMS LLC ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KYMA SYSTEMS LLC 27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 * POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 /* com device attachment to mainbus for MAMBO G5 simulator */ 37 38 #include <sys/cdefs.h> 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/device.h> 42 #include <sys/tty.h> 43 44 #include <machine/bus.h> 45 #include <dev/ofw/openfirm.h> 46 47 #include <dev/ic/comreg.h> 48 #include <dev/ic/comvar.h> 49 50 struct com_mainbus_softc 51 { 52 struct com_softc sc_com; /* real "com" softc */ 53 void *sc_ih; /* interrupt handler */ 54 }; 55 56 int com_mainbus_probe(struct device *, struct cfdata *, void *); 57 void com_mainbus_attach(struct device *, struct device *, void *); 58 59 CFATTACH_DECL(com_mainbus, sizeof(struct com_mainbus_softc), 60 com_mainbus_probe, com_mainbus_attach, NULL, NULL); 61 62 int com_mainbus_attached = 0; 63 int 64 com_mainbus_probe(parent, match, aux) 65 struct device *parent; 66 struct cfdata *match; 67 void *aux; 68 { 69 struct confargs *ca = aux; 70 71 if (strcmp(ca->ca_name, "com") != 0) 72 return 0; 73 74 if (!com_mainbus_attached) { 75 com_mainbus_attached = 1; 76 return (1); 77 } 78 else 79 return 0; 80 } 81 82 void 83 com_mainbus_attach(parent, self, aux) 84 struct device *parent, *self; 85 void *aux; 86 { 87 struct com_mainbus_softc *msc = (void *) self; 88 struct com_softc *sc = &msc->sc_com; 89 int serial, interrupt_length; 90 int interrupts[8]; 91 bus_space_tag_t iot; 92 bus_space_handle_t ioh; 93 bus_addr_t iobase; 94 95 serial = OF_finddevice("/ht@0/isa@4/serial@0x3f8"); 96 if (serial != -1) { 97 interrupt_length = 98 OF_getprop(serial, "interrupts", interrupts, sizeof(interrupts)); 99 } 100 101 102 iot = (bus_space_tag_t)0xf4000000; 103 iobase = 0x3f8; 104 comcnattach(iot, iobase, 9600, 1843200, COM_TYPE_NORMAL, (CREAD | CS8)); 105 bus_space_map(iot, iobase, COM_NPORTS, 0, &ioh); 106 COM_INIT_REGS(sc->sc_regs, iot, ioh, iobase); 107 108 sc->sc_frequency = 1843200; 109 110 com_attach_subr(sc); 111 #if 1 112 msc->sc_ih = 113 intr_establish(interrupts[0], IST_LEVEL, IPL_SERIAL, comintr, sc); 114 115 if (msc->sc_ih == NULL) 116 panic("failed to establish int handler"); 117 #endif 118 119 120 } 121