/* $NetBSD: com_frodo.c,v 1.11 2024/01/16 05:48:28 thorpej Exp $ */ /*- * Copyright (c) 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Charles M. Hannum. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /*- * Copyright (c) 1991 The Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)com.c 7.5 (Berkeley) 5/16/91 */ #include <sys/cdefs.h> __KERNEL_RCSID(0, "$NetBSD: com_frodo.c,v 1.11 2024/01/16 05:48:28 thorpej Exp $"); #include "sti_sgc.h" #include <sys/param.h> #include <sys/systm.h> #include <sys/device.h> #include <sys/termios.h> #include <sys/ttydefaults.h> #include <machine/bus.h> #include <dev/ic/comreg.h> #include <dev/ic/comvar.h> #include <hp300/dev/intiovar.h> #include <hp300/dev/frodoreg.h> #include <hp300/dev/frodovar.h> #include <hp300/dev/com_frodovar.h> #include "ioconf.h" struct com_frodo_softc { struct com_softc sc_com; /* real "com" softc */ }; static int com_frodo_match(device_t, cfdata_t , void *); static void com_frodo_attach(device_t, device_t, void *); CFATTACH_DECL_NEW(com_frodo, sizeof(struct com_frodo_softc), com_frodo_match, com_frodo_attach, NULL, NULL); static int com_frodo_speed = TTYDEF_SPEED; static struct bus_space_tag comcntag; #define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */ #define COM_FRODO_FREQ 8006400 static int com_frodo_match(device_t parent, cfdata_t match, void *aux) { struct frodo_attach_args *fa = aux; if (strcmp(fa->fa_name, com_cd.cd_name) != 0) return 0; switch (fa->fa_offset) { case FRODO_APCI_OFFSET(1): case FRODO_APCI_OFFSET(2): case FRODO_APCI_OFFSET(3): return 1; } return 0; } static void com_frodo_attach(device_t parent, device_t self, void *aux) { struct com_frodo_softc *fsc = device_private(self); struct com_softc *sc = &fsc->sc_com; struct frodo_attach_args *fa = aux; bus_space_tag_t iot; bus_space_handle_t ioh; int isconsole; sc->sc_dev = self; isconsole = com_is_console(&comcntag, fa->fa_base + fa->fa_offset, &ioh); if (isconsole) iot = &comcntag; else iot = fa->fa_bst; if (!isconsole && bus_space_map(iot, fa->fa_base + fa->fa_offset, COM_NPORTS << 2, 0, &ioh)) { aprint_error(": can't map i/o space\n"); return; } com_init_regs(&sc->sc_regs, iot, ioh, fa->fa_base + fa->fa_offset); sc->sc_frequency = COM_FRODO_FREQ; SET(sc->sc_hwflags, COM_HW_NOIEN); com_attach_subr(sc); frodo_intr_establish(parent, comintr, sc, fa->fa_line, ISRPRI_TTY); } int com_frodo_cnattach(bus_space_tag_t bst, bus_addr_t addr, int scode) { bus_space_tag_t iot = &comcntag; bus_space_handle_t ioh; volatile uint8_t *frodoregs; if (machineid != HP_425 || mmuid != MMUID_425_E) return 1; /* * Check the service switch. On the 425e, this is a physical * switch, unlike other frodo-based machines, so we can use it * as a serial vs internal video selector, since the PROM can not * be configured for serial console. */ frodoregs = (volatile uint8_t *)IIOV(INTIOBASE + FRODO_BASE); if (badaddr(__UNVOLATILE(frodoregs)) != 0) { /* 425e but no frodo chip found? */ return 1; } /* * if sti(4) is not configured, we need serial console anyway * and no need to check the service switch. */ #if NSTI_SGC > 0 if (ISSET(frodoregs[FRODO_IISR], FRODO_IISR_SERVICE)) return 1; #endif frodo_init_bus_space(iot); if (bus_space_map(iot, addr, INTIO_DEVSIZE, BUS_SPACE_MAP_LINEAR, &ioh)) return 1; comcnattach(iot, addr, com_frodo_speed, COM_FRODO_FREQ, COM_TYPE_NORMAL, CONMODE); return 0; }
