auxio_sbus.c revision 1.1.2.2
1 1.1.2.2 skrll /* $NetBSD: auxio_sbus.c,v 1.1.2.2 2015/12/27 12:09:43 skrll Exp $ */ 2 1.1.2.2 skrll 3 1.1.2.2 skrll /* 4 1.1.2.2 skrll * Copyright (c) 2000, 2001, 2015 Matthew R. Green 5 1.1.2.2 skrll * All rights reserved. 6 1.1.2.2 skrll * 7 1.1.2.2 skrll * Redistribution and use in source and binary forms, with or without 8 1.1.2.2 skrll * modification, are permitted provided that the following conditions 9 1.1.2.2 skrll * are met: 10 1.1.2.2 skrll * 1. Redistributions of source code must retain the above copyright 11 1.1.2.2 skrll * notice, this list of conditions and the following disclaimer. 12 1.1.2.2 skrll * 2. Redistributions in binary form must reproduce the above copyright 13 1.1.2.2 skrll * notice, this list of conditions and the following disclaimer in the 14 1.1.2.2 skrll * documentation and/or other materials provided with the distribution. 15 1.1.2.2 skrll * 16 1.1.2.2 skrll * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 1.1.2.2 skrll * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 1.1.2.2 skrll * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 1.1.2.2 skrll * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 1.1.2.2 skrll * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 1.1.2.2 skrll * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 1.1.2.2 skrll * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 1.1.2.2 skrll * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 1.1.2.2 skrll * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 1.1.2.2 skrll * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 1.1.2.2 skrll * SUCH DAMAGE. 27 1.1.2.2 skrll */ 28 1.1.2.2 skrll 29 1.1.2.2 skrll /* 30 1.1.2.2 skrll * AUXIO registers support on the sbus & ebus2, used for the floppy driver 31 1.1.2.2 skrll * and to control the system LED, for the BLINK option. 32 1.1.2.2 skrll */ 33 1.1.2.2 skrll 34 1.1.2.2 skrll #include <sys/cdefs.h> 35 1.1.2.2 skrll __KERNEL_RCSID(0, "$NetBSD: auxio_sbus.c,v 1.1.2.2 2015/12/27 12:09:43 skrll Exp $"); 36 1.1.2.2 skrll 37 1.1.2.2 skrll #include "opt_auxio.h" 38 1.1.2.2 skrll 39 1.1.2.2 skrll #include <sys/param.h> 40 1.1.2.2 skrll #include <sys/systm.h> 41 1.1.2.2 skrll #include <sys/kernel.h> 42 1.1.2.2 skrll #include <sys/callout.h> 43 1.1.2.2 skrll #include <sys/errno.h> 44 1.1.2.2 skrll #include <sys/device.h> 45 1.1.2.2 skrll #include <sys/malloc.h> 46 1.1.2.2 skrll 47 1.1.2.2 skrll #include <machine/autoconf.h> 48 1.1.2.2 skrll #include <machine/cpu.h> 49 1.1.2.2 skrll 50 1.1.2.2 skrll #include <dev/ebus/ebusreg.h> 51 1.1.2.2 skrll #include <dev/ebus/ebusvar.h> 52 1.1.2.2 skrll #include <dev/sbus/sbusvar.h> 53 1.1.2.2 skrll #include <sparc64/dev/auxioreg.h> 54 1.1.2.2 skrll #include <sparc64/dev/auxiovar.h> 55 1.1.2.2 skrll 56 1.1.2.2 skrll static int auxio_sbus_match(device_t, cfdata_t, void *); 57 1.1.2.2 skrll static void auxio_sbus_attach(device_t, device_t, void *); 58 1.1.2.2 skrll 59 1.1.2.2 skrll CFATTACH_DECL_NEW(auxio_sbus, sizeof(struct auxio_softc), 60 1.1.2.2 skrll auxio_sbus_match, auxio_sbus_attach, NULL, NULL); 61 1.1.2.2 skrll 62 1.1.2.2 skrll static int 63 1.1.2.2 skrll auxio_sbus_match(device_t parent, cfdata_t cf, void *aux) 64 1.1.2.2 skrll { 65 1.1.2.2 skrll struct sbus_attach_args *sa = aux; 66 1.1.2.2 skrll 67 1.1.2.2 skrll return strcmp(AUXIO_ROM_NAME, sa->sa_name) == 0; 68 1.1.2.2 skrll } 69 1.1.2.2 skrll 70 1.1.2.2 skrll static void 71 1.1.2.2 skrll auxio_sbus_attach(device_t parent, device_t self, void *aux) 72 1.1.2.2 skrll { 73 1.1.2.2 skrll struct auxio_softc *sc = device_private(self); 74 1.1.2.2 skrll struct sbus_attach_args *sa = aux; 75 1.1.2.2 skrll 76 1.1.2.2 skrll sc->sc_dev = self; 77 1.1.2.2 skrll sc->sc_tag = sa->sa_bustag; 78 1.1.2.2 skrll 79 1.1.2.2 skrll if (sa->sa_nreg < 1) { 80 1.1.2.2 skrll printf(": no registers??\n"); 81 1.1.2.2 skrll return; 82 1.1.2.2 skrll } 83 1.1.2.2 skrll 84 1.1.2.2 skrll if (sa->sa_nreg != 1) { 85 1.1.2.2 skrll printf(": not 1 (%d/%d) registers??", sa->sa_nreg, 86 1.1.2.2 skrll sa->sa_npromvaddrs); 87 1.1.2.2 skrll return; 88 1.1.2.2 skrll } 89 1.1.2.2 skrll 90 1.1.2.2 skrll /* sbus auxio only has one set of registers */ 91 1.1.2.2 skrll sc->sc_flags = AUXIO_LEDONLY; 92 1.1.2.2 skrll if (sa->sa_npromvaddrs > 0) { 93 1.1.2.2 skrll sbus_promaddr_to_handle(sc->sc_tag, 94 1.1.2.2 skrll sa->sa_promvaddr, &sc->sc_led); 95 1.1.2.2 skrll } else { 96 1.1.2.2 skrll sbus_bus_map(sc->sc_tag, sa->sa_slot, sa->sa_offset, 97 1.1.2.2 skrll sa->sa_size, 0, &sc->sc_led); 98 1.1.2.2 skrll } 99 1.1.2.2 skrll 100 1.1.2.2 skrll auxio_attach_common(sc); 101 1.1.2.2 skrll } 102
Indexes created Sat Oct 18 23:09:54 GMT 2025