1 /* $NetBSD: armadillo9_com.c,v 1.7 2023/12/20 13:55:17 thorpej Exp $ */
2 /*
3 * Copyright (c) 2002
4 * Ichiro FUKUHARA <ichiro@ichiro.org>.
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 ICHIRO FUKUHARA ``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 ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR
20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, 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 #include <sys/cdefs.h>
30 __KERNEL_RCSID(0, "$NetBSD: armadillo9_com.c,v 1.7 2023/12/20 13:55:17 thorpej Exp $");
31
32 /* Front-end of epcom */
33
34 #include <sys/types.h>
35 #include <sys/device.h>
36 #include <sys/systm.h>
37 #include <sys/param.h>
38
39 #include <sys/termios.h>
40
41 #include <machine/intr.h>
42 #include <sys/bus.h>
43
44 #include <arm/ep93xx/epcomreg.h>
45 #include <arm/ep93xx/epcomvar.h>
46 #include <arm/ep93xx/ep93xxreg.h>
47 #include <arm/ep93xx/ep93xxvar.h>
48 #include <arm/ep93xx/epsocvar.h>
49 #include "epled.h"
50 #if NEPLED > 0
51 #include <arm/ep93xx/epledvar.h>
52 #endif
53 #include <evbarm/armadillo/armadillo9var.h>
54
55 static int armadillo9com_match(device_t, cfdata_t, void *);
56 static void armadillo9com_attach(device_t, device_t, void *);
57 static int armadillo9com_intr(void *);
58
59 CFATTACH_DECL_NEW(armadillo9com, sizeof(struct epcom_softc),
60 armadillo9com_match, armadillo9com_attach, NULL, NULL);
61
62 static int
armadillo9com_match(device_t parent,cfdata_t match,void * aux)63 armadillo9com_match(device_t parent, cfdata_t match, void *aux)
64 {
65 if (strcmp(match->cf_name, "epcom") == 0)
66 return 1;
67 return 0;
68 }
69
70 static void
armadillo9com_attach(device_t parent,device_t self,void * aux)71 armadillo9com_attach(device_t parent, device_t self, void *aux)
72 {
73 struct epcom_softc *sc = device_private(self);
74 struct epsoc_attach_args *sa = aux;
75 uint32_t pwrcnt;
76 bus_space_handle_t ioh;
77
78 sc->sc_dev = self;
79 sc->sc_iot = sa->sa_iot;
80 sc->sc_hwbase = sa->sa_addr;
81
82 printf("\n");
83
84 bus_space_map(sa->sa_iot, sa->sa_addr, sa->sa_size, 0, &sc->sc_ioh);
85
86 bus_space_map(sa->sa_iot, EP93XX_APB_HWBASE + EP93XX_APB_SYSCON,
87 EP93XX_APB_SYSCON_SIZE, 0, &ioh);
88 pwrcnt = bus_space_read_4(sa->sa_iot, ioh, EP93XX_SYSCON_PwrCnt);
89 pwrcnt &= ~(PwrCnt_UARTBAUD);
90 bus_space_write_4(sa->sa_iot, ioh, EP93XX_SYSCON_PwrCnt, pwrcnt);
91 bus_space_unmap(sa->sa_iot, ioh, EP93XX_APB_SYSCON_SIZE);
92
93 epcom_attach_subr(sc);
94 ep93xx_intr_establish(sa->sa_intr, IPL_SERIAL, armadillo9com_intr, sc);
95 #if NEPLED > 0
96 if (armadillo_model->devcfg == DEVCFG_ARMADILLO210)
97 epled_red_off();
98 #endif
99 }
100
101 static int
armadillo9com_intr(void * arg)102 armadillo9com_intr(void *arg)
103 {
104 int n;
105
106 #if NEPLED > 0
107 if (armadillo_model->devcfg == DEVCFG_ARMADILLO210)
108 epled_red_on();
109 #endif
110 n = epcomintr(arg);
111 #if NEPLED > 0
112 if (armadillo_model->devcfg == DEVCFG_ARMADILLO210)
113 epled_red_off();
114 #endif
115 return n;
116 }
117