1 /* $NetBSD: ralink_bus.c,v 1.4 2022/09/29 07:00:47 skrll Exp $ */
2 /*-
3 * Copyright (c) 2011 CradlePoint Technology, Inc.
4 * All rights reserved.
5 *
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 CRADLEPOINT TECHNOLOGY, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28 /*
29 * Copyright (c) 2006 Urbana-Champaign Independent Media Center.
30 * Copyright (c) 2006 Garrett D'Amore.
31 * All rights reserved.
32 *
33 * This code was written by Garrett D'Amore for the Champaign-Urbana
34 * Community Wireless Network Project.
35 *
36 * Redistribution and use in source and binary forms, with or
37 * without modification, are permitted provided that the following
38 * conditions are met:
39 * 1. Redistributions of source code must retain the above copyright
40 * notice, this list of conditions and the following disclaimer.
41 * 2. Redistributions in binary form must reproduce the above
42 * copyright notice, this list of conditions and the following
43 * disclaimer in the documentation and/or other materials provided
44 * with the distribution.
45 * 3. All advertising materials mentioning features or use of this
46 * software must display the following acknowledgements:
47 * This product includes software developed by the Urbana-Champaign
48 * Independent Media Center.
49 * This product includes software developed by Garrett D'Amore.
50 * 4. Urbana-Champaign Independent Media Center's name and Garrett
51 * D'Amore's name may not be used to endorse or promote products
52 * derived from this software without specific prior written permission.
53 *
54 * THIS SOFTWARE IS PROVIDED BY THE URBANA-CHAMPAIGN INDEPENDENT
55 * MEDIA CENTER AND GARRETT D'AMORE ``AS IS'' AND ANY EXPRESS OR
56 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
57 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
58 * ARE DISCLAIMED. IN NO EVENT SHALL THE URBANA-CHAMPAIGN INDEPENDENT
59 * MEDIA CENTER OR GARRETT D'AMORE BE LIABLE FOR ANY DIRECT, INDIRECT,
60 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
61 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
62 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
63 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
64 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
65 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
66 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
67 */
68
69 #include "locators.h"
70
71 #include <sys/cdefs.h>
72 __KERNEL_RCSID(0, "$NetBSD: ralink_bus.c,v 1.4 2022/09/29 07:00:47 skrll Exp $");
73 #define _MIPS_BUS_DMA_PRIVATE
74
75 #include <sys/param.h>
76 #include <sys/bus.h>
77 #include <sys/device.h>
78 #include <sys/extent.h>
79 #include <sys/systm.h>
80
81 #include <mips/ralink/ralink_reg.h>
82 #include <mips/ralink/ralink_var.h>
83
84 static void ra_bus_bus_mem_init(bus_space_tag_t, void *);
85
86 struct mips_bus_space ra_bus_memt;
87 struct mips_bus_dma_tag ra_bus_dmat = {
88 ._dmamap_ops = _BUS_DMAMAP_OPS_INITIALIZER,
89 ._dmamem_ops = _BUS_DMAMEM_OPS_INITIALIZER,
90 ._dmatag_ops = _BUS_DMATAG_OPS_INITIALIZER,
91 };
92
93 const bus_space_handle_t ra_sysctl_bsh =
94 (bus_space_handle_t) RA_IOREG_VADDR(RA_SYSCTL_BASE, 0);
95
96 void
ra_bus_init(void)97 ra_bus_init(void)
98 {
99 ra_bus_bus_mem_init(&ra_bus_memt, NULL);
100 #ifdef DIAGNOSTIC
101 bus_space_handle_t bsh = 0xdeadfa11;
102 bus_space_map(&ra_bus_memt, RA_SYSCTL_BASE, 0x100, 0, &bsh);
103 KASSERT(ra_sysctl_bsh == bsh);
104 #endif
105 }
106
107 /*
108 * CPU memory/register stuff
109 * defines ra_bus_bus_mem_init, which encompasses all of memory
110 */
111
112 #define CHIP ra_bus
113 #define CHIP_MEM /* defined */
114 #define CHIP_W1_BUS_START(v) 0x00000000UL
115 #define CHIP_W1_BUS_END(v) 0x1fffffffUL
116 #define CHIP_W1_SYS_START(v) CHIP_W1_BUS_START(v)
117 #define CHIP_W1_SYS_END(v) CHIP_W1_BUS_END(v)
118
119 #include <mips/mips/bus_space_alignstride_chipdep.c>
120