1/*
 2 *  This program is free software; you can redistribute it and/or modify it
 3 *  under the terms of the GNU General Public License version 2 as published
 4 *  by the Free Software Foundation.
 5 *
 6 * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
 7 */
 8
 9#ifndef _LTQ_CLK_H__
10#define _LTQ_CLK_H__
11
12extern void clk_init(void);
13
14extern unsigned long ltq_get_cpu_hz(void);
15extern unsigned long ltq_get_fpi_hz(void);
16extern unsigned long ltq_get_io_region_clock(void);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
17
18#endif

 1/*
 2 *  This program is free software; you can redistribute it and/or modify it
 3 *  under the terms of the GNU General Public License version 2 as published
 4 *  by the Free Software Foundation.
 5 *
 6 * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
 7 */
 8
 9#ifndef _LTQ_CLK_H__
10#define _LTQ_CLK_H__
11
12#include <linux/clkdev.h>
13
14/* clock speeds */
15#define CLOCK_33M	33333333
16#define CLOCK_60M	60000000
17#define CLOCK_62_5M	62500000
18#define CLOCK_83M	83333333
19#define CLOCK_83_5M	83500000
20#define CLOCK_98_304M	98304000
21#define CLOCK_100M	100000000
22#define CLOCK_111M	111111111
23#define CLOCK_125M	125000000
24#define CLOCK_133M	133333333
25#define CLOCK_150M	150000000
26#define CLOCK_166M	166666666
27#define CLOCK_167M	166666667
28#define CLOCK_196_608M	196608000
29#define CLOCK_200M	200000000
30#define CLOCK_250M	250000000
31#define CLOCK_266M	266666666
32#define CLOCK_300M	300000000
33#define CLOCK_333M	333333333
34#define CLOCK_393M	393215332
35#define CLOCK_400M	400000000
36#define CLOCK_500M	500000000
37#define CLOCK_600M	600000000
38
39/* clock out speeds */
40#define CLOCK_32_768K	32768
41#define CLOCK_1_536M	1536000
42#define CLOCK_2_5M	2500000
43#define CLOCK_12M	12000000
44#define CLOCK_24M	24000000
45#define CLOCK_25M	25000000
46#define CLOCK_30M	30000000
47#define CLOCK_40M	40000000
48#define CLOCK_48M	48000000
49#define CLOCK_50M	50000000
50#define CLOCK_60M	60000000
51
52struct clk {
53	struct clk_lookup cl;
54	unsigned long rate;
55	unsigned long *rates;
56	unsigned int module;
57	unsigned int bits;
58	unsigned long (*get_rate) (void);
59	int (*enable) (struct clk *clk);
60	void (*disable) (struct clk *clk);
61	int (*activate) (struct clk *clk);
62	void (*deactivate) (struct clk *clk);
63	void (*reboot) (struct clk *clk);
64};
65
66extern void clkdev_add_static(unsigned long cpu, unsigned long fpi,
67				unsigned long io);
68
69extern unsigned long ltq_danube_cpu_hz(void);
70extern unsigned long ltq_danube_fpi_hz(void);
71
72extern unsigned long ltq_ar9_cpu_hz(void);
73extern unsigned long ltq_ar9_fpi_hz(void);
74
75extern unsigned long ltq_vr9_cpu_hz(void);
76extern unsigned long ltq_vr9_fpi_hz(void);
77
78#endif