1*4592cdd1Sjdc /* $NetBSD: wb_ebus.c,v 1.1 2020/05/11 15:56:15 jdc Exp $ */
2*4592cdd1Sjdc
3*4592cdd1Sjdc /*
4*4592cdd1Sjdc * Copyright (c) 2020 The NetBSD Foundation, Inc.
5*4592cdd1Sjdc * All rights reserved.
6*4592cdd1Sjdc *
7*4592cdd1Sjdc * This code is derived from software contributed to The NetBSD Foundation
8*4592cdd1Sjdc * by Julian Coleman.
9*4592cdd1Sjdc *
10*4592cdd1Sjdc * Redistribution and use in source and binary forms, with or without
11*4592cdd1Sjdc * modification, are permitted provided that the following conditions
12*4592cdd1Sjdc * are met:
13*4592cdd1Sjdc * 1. Redistributions of source code must retain the above copyright
14*4592cdd1Sjdc * notice, this list of conditions and the following disclaimer.
15*4592cdd1Sjdc * 2. Redistributions in binary form must reproduce the above copyright
16*4592cdd1Sjdc * notice, this list of conditions and the following disclaimer in the
17*4592cdd1Sjdc * documentation and/or other materials provided with the distribution.
18*4592cdd1Sjdc *
19*4592cdd1Sjdc * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20*4592cdd1Sjdc * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21*4592cdd1Sjdc * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22*4592cdd1Sjdc * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23*4592cdd1Sjdc * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24*4592cdd1Sjdc * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25*4592cdd1Sjdc * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26*4592cdd1Sjdc * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27*4592cdd1Sjdc * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28*4592cdd1Sjdc * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29*4592cdd1Sjdc * POSSIBILITY OF SUCH DAMAGE.
30*4592cdd1Sjdc */
31*4592cdd1Sjdc
32*4592cdd1Sjdc #include <sys/cdefs.h>
33*4592cdd1Sjdc __RCSID("$NetBSD: wb_ebus.c,v 1.1 2020/05/11 15:56:15 jdc Exp $");
34*4592cdd1Sjdc
35*4592cdd1Sjdc #include <sys/types.h>
36*4592cdd1Sjdc #include <sys/param.h>
37*4592cdd1Sjdc #include <sys/systm.h>
38*4592cdd1Sjdc #include <sys/device.h>
39*4592cdd1Sjdc
40*4592cdd1Sjdc #include <machine/autoconf.h>
41*4592cdd1Sjdc
42*4592cdd1Sjdc #include <dev/ebus/ebusreg.h>
43*4592cdd1Sjdc #include <dev/ebus/ebusvar.h>
44*4592cdd1Sjdc
45*4592cdd1Sjdc #include <dev/ic/w83l518dreg.h>
46*4592cdd1Sjdc #include <dev/ic/w83l518dvar.h>
47*4592cdd1Sjdc #include <dev/ic/w83l518d_sdmmc.h>
48*4592cdd1Sjdc
49*4592cdd1Sjdc static int wb_ebus_match(device_t, cfdata_t , void *);
50*4592cdd1Sjdc static void wb_ebus_attach(device_t, device_t, void *);
51*4592cdd1Sjdc
52*4592cdd1Sjdc CFATTACH_DECL_NEW(wb_ebus, sizeof(struct wb_softc),
53*4592cdd1Sjdc wb_ebus_match, wb_ebus_attach, NULL, NULL);
54*4592cdd1Sjdc
55*4592cdd1Sjdc static int
wb_ebus_match(device_t parent,cfdata_t match,void * aux)56*4592cdd1Sjdc wb_ebus_match(device_t parent, cfdata_t match, void *aux)
57*4592cdd1Sjdc {
58*4592cdd1Sjdc struct ebus_attach_args *ea = aux;
59*4592cdd1Sjdc
60*4592cdd1Sjdc return (strcmp(ea->ea_name, "TAD,wb-sdcard") == 0);
61*4592cdd1Sjdc }
62*4592cdd1Sjdc
63*4592cdd1Sjdc static void
wb_ebus_attach(device_t parent,device_t self,void * aux)64*4592cdd1Sjdc wb_ebus_attach(device_t parent, device_t self, void *aux)
65*4592cdd1Sjdc {
66*4592cdd1Sjdc struct wb_softc *sc = device_private(self);
67*4592cdd1Sjdc struct ebus_attach_args *ea = aux;
68*4592cdd1Sjdc
69*4592cdd1Sjdc sc->wb_dev = self;
70*4592cdd1Sjdc
71*4592cdd1Sjdc if (bus_space_map(ea->ea_bustag, EBUS_ADDR_FROM_REG(&ea->ea_reg[0]),
72*4592cdd1Sjdc ea->ea_reg[0].size, 0, &sc->wb_ioh) == 0)
73*4592cdd1Sjdc sc->wb_iot = ea->ea_bustag;
74*4592cdd1Sjdc else {
75*4592cdd1Sjdc aprint_error(": can't map register space\n");
76*4592cdd1Sjdc return;
77*4592cdd1Sjdc }
78*4592cdd1Sjdc
79*4592cdd1Sjdc bus_intr_establish(sc->wb_iot, ea->ea_intr[0], IPL_BIO, wb_intr, sc);
80*4592cdd1Sjdc
81*4592cdd1Sjdc aprint_normal("\n");
82*4592cdd1Sjdc
83*4592cdd1Sjdc sc->wb_type = WB_DEVNO_SD;
84*4592cdd1Sjdc sc->wb_quirks = WB_QUIRK_1BIT; /* 4bit bus width always fails */
85*4592cdd1Sjdc wb_attach(sc);
86*4592cdd1Sjdc }
87