1 /* $NetBSD: wb_ebus.c,v 1.1 2020/05/11 15:56:15 jdc Exp $ */ 2 3 /* 4 * Copyright (c) 2020 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Julian Coleman. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __RCSID("$NetBSD: wb_ebus.c,v 1.1 2020/05/11 15:56:15 jdc Exp $"); 34 35 #include <sys/types.h> 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/device.h> 39 40 #include <machine/autoconf.h> 41 42 #include <dev/ebus/ebusreg.h> 43 #include <dev/ebus/ebusvar.h> 44 45 #include <dev/ic/w83l518dreg.h> 46 #include <dev/ic/w83l518dvar.h> 47 #include <dev/ic/w83l518d_sdmmc.h> 48 49 static int wb_ebus_match(device_t, cfdata_t , void *); 50 static void wb_ebus_attach(device_t, device_t, void *); 51 52 CFATTACH_DECL_NEW(wb_ebus, sizeof(struct wb_softc), 53 wb_ebus_match, wb_ebus_attach, NULL, NULL); 54 55 static int 56 wb_ebus_match(device_t parent, cfdata_t match, void *aux) 57 { 58 struct ebus_attach_args *ea = aux; 59 60 return (strcmp(ea->ea_name, "TAD,wb-sdcard") == 0); 61 } 62 63 static void 64 wb_ebus_attach(device_t parent, device_t self, void *aux) 65 { 66 struct wb_softc *sc = device_private(self); 67 struct ebus_attach_args *ea = aux; 68 69 sc->wb_dev = self; 70 71 if (bus_space_map(ea->ea_bustag, EBUS_ADDR_FROM_REG(&ea->ea_reg[0]), 72 ea->ea_reg[0].size, 0, &sc->wb_ioh) == 0) 73 sc->wb_iot = ea->ea_bustag; 74 else { 75 aprint_error(": can't map register space\n"); 76 return; 77 } 78 79 bus_intr_establish(sc->wb_iot, ea->ea_intr[0], IPL_BIO, wb_intr, sc); 80 81 aprint_normal("\n"); 82 83 sc->wb_type = WB_DEVNO_SD; 84 sc->wb_quirks = WB_QUIRK_1BIT; /* 4bit bus width always fails */ 85 wb_attach(sc); 86 } 87