1 /*-
2 * Copyright (C) 2008 MARVELL INTERNATIONAL LTD.
3 * All rights reserved.
4 *
5 * Developed by Semihalf.
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 * 3. Neither the name of MARVELL nor the names of contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
34
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/bus.h>
38
39 #include <machine/bus.h>
40
41 #include <arm/mv/mvreg.h>
42 #include <arm/mv/mvvar.h>
43 #include <arm/mv/mvwin.h>
44
45 struct resource_spec mv_gpio_res[] = {
46 { SYS_RES_MEMORY, 0, RF_ACTIVE },
47 { SYS_RES_IRQ, 0, RF_ACTIVE },
48 { SYS_RES_IRQ, 1, RF_ACTIVE },
49 { SYS_RES_IRQ, 2, RF_ACTIVE },
50 { SYS_RES_IRQ, 3, RF_ACTIVE },
51 { SYS_RES_IRQ, 4, RF_ACTIVE },
52 { SYS_RES_IRQ, 5, RF_ACTIVE },
53 { SYS_RES_IRQ, 6, RF_ACTIVE },
54 { -1, 0 }
55 };
56
57 const struct decode_win xor_win_tbl[] = {
58 { 0 },
59 };
60 const struct decode_win *xor_wins = xor_win_tbl;
61 int xor_wins_no = 0;
62
63 uint32_t
get_tclk(void)64 get_tclk(void)
65 {
66 uint32_t dev, rev;
67
68 /*
69 * On Kirkwood TCLK is not configurable and depends on silicon
70 * revision:
71 * - A0 and A1 have TCLK hardcoded to 200 MHz.
72 * - Z0 and others have TCLK hardcoded to 166 MHz.
73 */
74 soc_id(&dev, &rev);
75 if (dev == MV_DEV_88F6281 && (rev == 2 || rev == 3))
76 return (TCLK_200MHZ);
77 if (dev == MV_DEV_88F6282)
78 return (TCLK_200MHZ);
79
80 return (TCLK_166MHZ);
81 }
82