1 /*-
2 * Copyright (c) 2016 Michael Zhilin <mizhka@gmail.com>
3 *
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28 /*
29 * $FreeBSD: releng/11.0/sys/mips/broadcom/bcm_socinfo.h 302190 2016-06-25 04:34:54Z landonf $
30 */
31
32 #ifndef _MIPS_BROADCOM_BCM_SOCINFO_H_
33 #define _MIPS_BROADCOM_BCM_SOCINFO_H_
34
35 #include <machine/cpuregs.h>
36
37 struct bcm_socinfo {
38 uint32_t id;
39 uint32_t cpurate; /* in MHz */
40 uint32_t uartrate; /* in Hz */
41 int double_count;
42 };
43
44 struct bcm_socinfo* bcm_get_socinfo_by_socid(uint32_t key);
45 struct bcm_socinfo* bcm_get_socinfo(void);
46
47 #define BCM_SOCADDR 0x18000000
48 #define BCM_REG_CHIPC_ID 0x0
49 #define BCM_REG_CHIPC_UART 0x300
50 #define BCM_REG_CHIPC_PMUWD_OFFS 0x634
51 #define BCM_SOCREG(reg) \
52 MIPS_PHYS_TO_KSEG1((BCM_SOCADDR + (reg)))
53 #define BCM_READ_REG32(reg) \
54 *((volatile uint32_t *)BCM_SOCREG(reg))
55 #define BCM_WRITE_REG32(reg, value) \
56 do { \
57 writel((void*)BCM_SOCREG((reg)),value); \
58 } while (0);
59
60 #endif /* _MIPS_BROADCOM_BCM_SOCINFO_H_ */
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