xref: /netbsd-src/sys/arch/evbppc/virtex/dev/xcvbus.c (revision a5847cc334d9a7029f6352b847e9e8d71a0f9e0c)
1 /* 	$NetBSD: xcvbus.c,v 1.3 2011/07/01 19:03:50 dyoung Exp $ */
2 
3 /*
4  * Copyright (c) 2006 Jachym Holecek
5  * All rights reserved.
6  *
7  * Written for DFC Design, s.r.o.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  *
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  *
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: xcvbus.c,v 1.3 2011/07/01 19:03:50 dyoung Exp $");
34 
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/types.h>
38 #include <sys/device.h>
39 #include <sys/extent.h>
40 #include <sys/malloc.h>
41 
42 #include <sys/bus.h>
43 #include <powerpc/ibm4xx/dev/plbvar.h>
44 
45 #include <evbppc/virtex/dev/xcvbusvar.h>
46 
47 
48 static int	xcvbus_match(device_t, cfdata_t, void *);
49 static void	xcvbus_attach(device_t, device_t, void *);
50 
51 
52 CFATTACH_DECL_NEW(xcvbus, 0,
53     xcvbus_match, xcvbus_attach, NULL, NULL);
54 
55 
56 static int
57 xcvbus_match(device_t parent, cfdata_t cf, void *aux)
58 {
59 	struct plb_attach_args 		*paa = aux;
60 
61 	return (strcmp(paa->plb_name, cf->cf_name) == 0);
62 }
63 
64 static void
65 xcvbus_attach(device_t parent, device_t self, void *aux)
66 {
67 	struct plb_attach_args 		*paa = aux;
68 
69 	printf(": Xilinx Virtex FPGA\n");
70 
71 	virtex_autoconf(self, paa);
72 }
73 
74 /*
75  * Public interface.
76  */
77 
78 int
79 xcvbus_print(void *aux, const char *pnp)
80 {
81 	struct xcvbus_attach_args 	*vaa = aux;
82 
83 	if (pnp)
84 		aprint_normal("%s at %s", vaa->vaa_name, pnp);
85 
86 	if (vaa->vaa_addr != -1) {
87 		if (vaa->_vaa_is_dcr)
88 			aprint_normal(" dcr 0x%x", vaa->vaa_iot->pbs_base);
89 		else
90 			aprint_normal(" mem 0x%x", vaa->vaa_addr);
91 	}
92 
93 	if (vaa->vaa_intr != -1)
94 		aprint_normal(" intr %d", vaa->vaa_intr);
95 	if (vaa->vaa_tx_dmac != NULL)
96 		aprint_normal(" tx %d", vaa->vaa_tx_dmac->dmac_chan);
97 	if (vaa->vaa_rx_dmac != NULL)
98 		aprint_normal(" rx %d", vaa->vaa_rx_dmac->dmac_chan);
99 
100 	return (UNCONF);
101 }
102 
103 int
104 xcvbus_child_match(device_t parent, cfdata_t cf, void *aux)
105 {
106 	struct xcvbus_attach_args *vaa = aux;
107 
108 	return (strcmp(vaa->vaa_name, cf->cf_name) == 0);
109 }
110