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740c606e8e
The Lantiq DSL SoCs have an internal networking processor. Add code to read the static clock rate. Signed-off-by: John Crispin <blogic@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/4815/
84 lines
2.2 KiB
C
84 lines
2.2 KiB
C
/*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*
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* Copyright (C) 2010 John Crispin <blogic@openwrt.org>
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*/
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#ifndef _LTQ_CLK_H__
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#define _LTQ_CLK_H__
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#include <linux/clkdev.h>
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/* clock speeds */
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#define CLOCK_33M 33333333
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#define CLOCK_60M 60000000
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#define CLOCK_62_5M 62500000
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#define CLOCK_83M 83333333
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#define CLOCK_83_5M 83500000
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#define CLOCK_98_304M 98304000
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#define CLOCK_100M 100000000
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#define CLOCK_111M 111111111
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#define CLOCK_125M 125000000
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#define CLOCK_133M 133333333
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#define CLOCK_150M 150000000
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#define CLOCK_166M 166666666
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#define CLOCK_167M 166666667
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#define CLOCK_196_608M 196608000
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#define CLOCK_200M 200000000
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#define CLOCK_222M 222000000
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#define CLOCK_240M 240000000
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#define CLOCK_250M 250000000
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#define CLOCK_266M 266666666
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#define CLOCK_300M 300000000
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#define CLOCK_333M 333333333
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#define CLOCK_393M 393215332
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#define CLOCK_400M 400000000
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#define CLOCK_450M 450000000
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#define CLOCK_500M 500000000
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#define CLOCK_600M 600000000
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/* clock out speeds */
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#define CLOCK_32_768K 32768
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#define CLOCK_1_536M 1536000
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#define CLOCK_2_5M 2500000
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#define CLOCK_12M 12000000
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#define CLOCK_24M 24000000
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#define CLOCK_25M 25000000
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#define CLOCK_30M 30000000
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#define CLOCK_40M 40000000
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#define CLOCK_48M 48000000
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#define CLOCK_50M 50000000
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#define CLOCK_60M 60000000
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struct clk {
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struct clk_lookup cl;
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unsigned long rate;
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unsigned long *rates;
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unsigned int module;
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unsigned int bits;
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unsigned long (*get_rate) (void);
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int (*enable) (struct clk *clk);
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void (*disable) (struct clk *clk);
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int (*activate) (struct clk *clk);
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void (*deactivate) (struct clk *clk);
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void (*reboot) (struct clk *clk);
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};
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extern void clkdev_add_static(unsigned long cpu, unsigned long fpi,
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unsigned long io, unsigned long ppe);
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extern unsigned long ltq_danube_cpu_hz(void);
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extern unsigned long ltq_danube_fpi_hz(void);
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extern unsigned long ltq_danube_pp32_hz(void);
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extern unsigned long ltq_ar9_cpu_hz(void);
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extern unsigned long ltq_ar9_fpi_hz(void);
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extern unsigned long ltq_vr9_cpu_hz(void);
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extern unsigned long ltq_vr9_fpi_hz(void);
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extern unsigned long ltq_vr9_pp32_hz(void);
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#endif
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