diff options
Diffstat (limited to 'arch/arm/plat-s3c/include/plat/cpu-freq.h')
| -rw-r--r-- | arch/arm/plat-s3c/include/plat/cpu-freq.h | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/arch/arm/plat-s3c/include/plat/cpu-freq.h b/arch/arm/plat-s3c/include/plat/cpu-freq.h deleted file mode 100644 index c86a13307e9..00000000000 --- a/arch/arm/plat-s3c/include/plat/cpu-freq.h +++ /dev/null @@ -1,94 +0,0 @@ -/* arch/arm/plat-s3c/include/plat/cpu-freq.h - * - * Copyright (c) 2006,2007 Simtec Electronics - * http://armlinux.simtec.co.uk/ - * Ben Dooks <ben@simtec.co.uk> - * - * S3C CPU frequency scaling support - driver and board - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#include <linux/cpufreq.h> - -struct s3c_cpufreq_info; -struct s3c_cpufreq_board; -struct s3c_iotimings; - -struct s3c_freq { - unsigned long fclk; - unsigned long armclk; - unsigned long hclk_tns; /* in 10ths of ns */ - unsigned long hclk; - unsigned long pclk; -}; - -/* wrapper 'struct cpufreq_freqs' so that any drivers receiving the - * notification can use this information that is not provided by just - * having the core frequency alone. - */ - -struct s3c_cpufreq_freqs { - struct cpufreq_freqs freqs; - struct s3c_freq old; - struct s3c_freq new; -}; - -#define to_s3c_cpufreq(_cf) container_of(_cf, struct s3c_cpufreq_freqs, freqs) - -struct s3c_clkdivs { - int p_divisor; /* fclk / pclk */ - int h_divisor; /* fclk / hclk */ - int arm_divisor; /* not all cpus have this. */ - unsigned char dvs; /* using dvs mode to arm. */ -}; - -#define PLLVAL(_m, _p, _s) (((_m) << 12) | ((_p) << 4) | (_s)) - -struct s3c_pllval { - unsigned long freq; - unsigned long pll_reg; -}; - -struct s3c_cpufreq_config { - struct s3c_freq freq; - struct s3c_pllval pll; - struct s3c_clkdivs divs; - struct s3c_cpufreq_info *info; /* for core, not drivers */ - struct s3c_cpufreq_board *board; -}; - -/* s3c_cpufreq_board - * - * per-board configuraton information, such as memory refresh and - * how to initialise IO timings. - */ -struct s3c_cpufreq_board { - unsigned int refresh; /* refresh period in ns */ - unsigned int auto_io:1; /* automatically init io timings. */ - unsigned int need_io:1; /* set if needs io timing support. */ - - /* any non-zero field in here is taken as an upper limit. */ - struct s3c_freq max; /* frequency limits */ -}; - -/* Things depending on frequency scaling. */ -#ifdef CONFIG_CPU_FREQ_S3C -#define __init_or_cpufreq -#else -#define __init_or_cpufreq __init -#endif - -/* Board functions */ - -#ifdef CONFIG_CPU_FREQ_S3C -extern int s3c_cpufreq_setboard(struct s3c_cpufreq_board *board); -#else - -static inline int s3c_cpufreq_setboard(struct s3c_cpufreq_board *board) -{ - return 0; -} -#endif /* CONFIG_CPU_FREQ_S3C */ |
