1 /* $NetBSD: auxio_ebus.c,v 1.6 2015/10/06 16:40:36 martin Exp $ */ 2 3 /* 4 * Copyright (c) 2000, 2001, 2015 Matthew R. Green 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 THE AUTHOR ``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 THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * 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 /* 30 * AUXIO registers support on the sbus & ebus2, used for the floppy driver 31 * and to control the system LED, for the BLINK option. 32 */ 33 34 #include <sys/cdefs.h> 35 __KERNEL_RCSID(0, "$NetBSD: auxio_ebus.c,v 1.6 2015/10/06 16:40:36 martin Exp $"); 36 37 #include "opt_auxio.h" 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/kernel.h> 42 #include <sys/callout.h> 43 #include <sys/errno.h> 44 #include <sys/device.h> 45 #include <sys/malloc.h> 46 47 #include <machine/autoconf.h> 48 #include <machine/cpu.h> 49 50 #include <dev/ebus/ebusreg.h> 51 #include <dev/ebus/ebusvar.h> 52 #include <dev/sbus/sbusvar.h> 53 #include <sparc64/dev/auxioreg.h> 54 #include <sparc64/dev/auxiovar.h> 55 56 static int auxio_ebus_match(device_t, cfdata_t, void *); 57 static void auxio_ebus_attach(device_t, device_t, void *); 58 59 CFATTACH_DECL_NEW(auxio_ebus, sizeof(struct auxio_softc), 60 auxio_ebus_match, auxio_ebus_attach, NULL, NULL); 61 62 static int 63 auxio_ebus_match(device_t parent, cfdata_t cf, void *aux) 64 { 65 struct ebus_attach_args *ea = aux; 66 67 return (strcmp(AUXIO_ROM_NAME, ea->ea_name) == 0); 68 } 69 70 static void 71 auxio_ebus_attach(device_t parent, device_t self, void *aux) 72 { 73 struct auxio_softc *sc = device_private(self); 74 struct ebus_attach_args *ea = aux; 75 76 sc->sc_dev = self; 77 sc->sc_tag = ea->ea_bustag; 78 79 if (ea->ea_nreg < 1) { 80 printf(": no registers??\n"); 81 return; 82 } 83 84 sc->sc_flags = AUXIO_EBUS; 85 if (ea->ea_nreg != 5) { 86 printf(": not 5 (%d) registers, only setting led", 87 ea->ea_nreg); 88 sc->sc_flags |= AUXIO_LEDONLY; 89 } else if (ea->ea_nvaddr == 5) { 90 sparc_promaddr_to_handle(sc->sc_tag, 91 ea->ea_vaddr[1], &sc->sc_pci); 92 sparc_promaddr_to_handle(sc->sc_tag, 93 ea->ea_vaddr[2], &sc->sc_freq); 94 sparc_promaddr_to_handle(sc->sc_tag, 95 ea->ea_vaddr[3], &sc->sc_scsi); 96 sparc_promaddr_to_handle(sc->sc_tag, 97 ea->ea_vaddr[4], &sc->sc_temp); 98 } else { 99 bus_space_map(sc->sc_tag, EBUS_ADDR_FROM_REG(&ea->ea_reg[1]), 100 ea->ea_reg[1].size, 0, &sc->sc_pci); 101 bus_space_map(sc->sc_tag, EBUS_ADDR_FROM_REG(&ea->ea_reg[2]), 102 ea->ea_reg[2].size, 0, &sc->sc_freq); 103 bus_space_map(sc->sc_tag, EBUS_ADDR_FROM_REG(&ea->ea_reg[3]), 104 ea->ea_reg[3].size, 0, &sc->sc_scsi); 105 bus_space_map(sc->sc_tag, EBUS_ADDR_FROM_REG(&ea->ea_reg[4]), 106 ea->ea_reg[4].size, 0, &sc->sc_temp); 107 } 108 109 if (ea->ea_nvaddr > 0) { 110 sparc_promaddr_to_handle(sc->sc_tag, 111 ea->ea_vaddr[0], &sc->sc_led); 112 } else { 113 bus_space_map(sc->sc_tag, EBUS_ADDR_FROM_REG(&ea->ea_reg[0]), 114 ea->ea_reg[0].size, 0, &sc->sc_led); 115 } 116 117 auxio_attach_common(sc); 118 } 119