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lowlevel.S

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  • Forked from Reform / reform-boundary-uboot
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    clock.h 1.43 KiB
    /*
     * keystone2: common clock header file
     *
     * (C) Copyright 2012-2014
     *     Texas Instruments Incorporated, <www.ti.com>
     *
     * SPDX-License-Identifier:     GPL-2.0+
     */
    
    #ifndef __ASM_ARCH_CLOCK_H
    #define __ASM_ARCH_CLOCK_H
    
    #ifndef __ASSEMBLY__
    
    #ifdef CONFIG_SOC_K2HK
    #include <asm/arch/clock-k2hk.h>
    #endif
    
    #ifdef CONFIG_SOC_K2E
    #include <asm/arch/clock-k2e.h>
    #endif
    
    #ifdef CONFIG_SOC_K2L
    #include <asm/arch/clock-k2l.h>
    #endif
    
    #define MAIN_PLL CORE_PLL
    
    #include <asm/types.h>
    
    #define GENERATE_ENUM(NUM, ENUM) ENUM = NUM,
    #define GENERATE_INDX_STR(NUM, STRING) #NUM"\t- "#STRING"\n"
    #define CLOCK_INDEXES_LIST	CLK_LIST(GENERATE_INDX_STR)
    
    enum {
    	SPD800,
    	SPD850,
    	SPD1000,
    	SPD1200,
    	SPD1250,
    	SPD1350,
    	SPD1400,
    	SPD1500,
    	NUM_SPDS,
    };
    
    enum clk_e {
    	CLK_LIST(GENERATE_ENUM)
    };
    
    struct keystone_pll_regs {
    	u32 reg0;
    	u32 reg1;
    };
    
    /* PLL configuration data */
    struct pll_init_data {
    	int pll;
    	int pll_m;		/* PLL Multiplier */
    	int pll_d;		/* PLL divider */
    	int pll_od;		/* PLL output divider */
    };
    
    extern const struct keystone_pll_regs keystone_pll_regs[];
    extern s16 divn_val[];
    extern int speeds[];
    
    void init_plls(int num_pll, struct pll_init_data *config);
    void init_pll(const struct pll_init_data *data);
    unsigned long clk_get_rate(unsigned int clk);
    unsigned long clk_round_rate(unsigned int clk, unsigned long hz);
    int clk_set_rate(unsigned int clk, unsigned long hz);
    int get_max_dev_speed(void);
    int get_max_arm_speed(void);
    
    #endif
    #endif