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 <sys/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(device_t, cfdata_t , void *); 57 void com_mainbus_attach(device_t, device_t, void *); 58 59 CFATTACH_DECL_NEW(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(device_t parent, cfdata_t match, void *aux) 65 { 66 struct confargs *ca = aux; 67 68 if (strcmp(ca->ca_name, "com") != 0) 69 return 0; 70 71 if (!com_mainbus_attached) { 72 com_mainbus_attached = 1; 73 return (1); 74 } 75 else 76 return 0; 77 } 78 79 void 80 com_mainbus_attach(device_t parent, device_t self, void *aux) 81 { 82 struct com_mainbus_softc *msc = device_private(self); 83 struct com_softc *sc = &msc->sc_com; 84 int serial, interrupt_length; 85 int interrupts[8]; 86 bus_space_tag_t iot; 87 bus_space_handle_t ioh; 88 bus_addr_t iobase; 89 90 sc->sc_dev = self; 91 92 serial = OF_finddevice("/ht@0/isa@4/serial@0x3f8"); 93 if (serial != -1) { 94 interrupt_length = 95 OF_getprop(serial, "interrupts", interrupts, sizeof(interrupts)); 96 } 97 98 99 iot = (bus_space_tag_t)0xf4000000; 100 iobase = 0x3f8; 101 comcnattach(iot, iobase, 9600, 1843200, COM_TYPE_NORMAL, (CREAD | CS8)); 102 bus_space_map(iot, iobase, COM_NPORTS, 0, &ioh); 103 COM_INIT_REGS(sc->sc_regs, iot, ioh, iobase); 104 105 sc->sc_frequency = 1843200; 106 107 com_attach_subr(sc); 108 #if 1 109 msc->sc_ih = 110 intr_establish(interrupts[0], IST_LEVEL, IPL_SERIAL, comintr, sc); 111 112 if (msc->sc_ih == NULL) 113 panic("failed to establish int handler"); 114 #endif 115 116 117 } 118