1 /* $NetBSD: plmmc_ifpga.c,v 1.2 2021/07/27 21:13:41 skrll Exp $ */
2
3 /*-
4 * Copyright (c) 2015 Jared D. McNeill <jmcneill@invisible.ca>
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 #include <sys/cdefs.h>
29
30 __KERNEL_RCSID(0, "$NetBSD: plmmc_ifpga.c,v 1.2 2021/07/27 21:13:41 skrll Exp $");
31
32 #include <sys/param.h>
33 #include <sys/types.h>
34
35 #include <sys/bus.h>
36 #include <sys/device.h>
37 #include <sys/systm.h>
38 #include <sys/termios.h>
39
40 #include <machine/intr.h>
41
42 #include <dev/ic/pl181reg.h>
43 #include <dev/ic/pl181var.h>
44
45 #include <evbarm/ifpga/ifpgareg.h>
46 #include <evbarm/ifpga/ifpgavar.h>
47
48 static int plmmc_ifpga_match(device_t, cfdata_t, void *);
49 static void plmmc_ifpga_attach(device_t, device_t, void *);
50 static void plmmc_ifpga_attach_i(device_t);
51
52 CFATTACH_DECL_NEW(plmmc_ifpga, sizeof(struct plmmc_softc),
53 plmmc_ifpga_match, plmmc_ifpga_attach, NULL, NULL);
54
55 static int
plmmc_ifpga_match(device_t parent,cfdata_t cf,void * aux)56 plmmc_ifpga_match(device_t parent, cfdata_t cf, void *aux)
57 {
58 return 1;
59 }
60
61 static void
plmmc_ifpga_attach(device_t parent,device_t self,void * aux)62 plmmc_ifpga_attach(device_t parent, device_t self, void *aux)
63 {
64 struct plmmc_softc *sc = device_private(self);
65 struct ifpga_attach_args *ifa = aux;
66
67 sc->sc_dev = self;
68 sc->sc_clock_freq = IFPGA_MMC_CLK;
69 sc->sc_bst = ifa->ifa_iot;
70 if (bus_space_map(ifa->ifa_iot, ifa->ifa_addr, IFPGA_MMC_SIZE, 0,
71 &sc->sc_bsh)) {
72 printf("%s: unable to map device\n", device_xname(sc->sc_dev));
73 return;
74 }
75
76 aprint_naive("\n");
77 aprint_normal("\n");
78
79 #if 0
80 sc->sc_ih = ifpga_intr_establish(ifa->ifa_irq, IPL_BIO, plmmc_intr, sc);
81 #endif
82
83 config_interrupts(self, plmmc_ifpga_attach_i);
84 }
85
86 static void
plmmc_ifpga_attach_i(device_t self)87 plmmc_ifpga_attach_i(device_t self)
88 {
89 struct plmmc_softc *sc = device_private(self);
90
91 plmmc_init(sc);
92 }
93