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  • /*
     * (C) Copyright 2010
     * Texas Instruments, <www.ti.com>
     *
    
     * SPDX-License-Identifier:	GPL-2.0+
    
     */
    
    #ifndef _SYS_PROTO_H_
    #define _SYS_PROTO_H_
    
    #include <asm/arch/omap.h>
    #include <asm/io.h>
    
    #include <asm/arch/clock.h>
    
    #include <asm/omap_common.h>
    
    #include <asm/arch/clock.h>
    
    #include <asm/ti-common/sys_proto.h>
    
    DECLARE_GLOBAL_DATA_PTR;
    
    
    /*
     * Structure for Iodelay configuration registers.
     * Theoretical max for g_delay is 21560 ps.
     * Theoretical max for a_delay is 1/3rd of g_delay max.
     * So using u16 for both a/g_delay.
     */
    struct iodelay_cfg_entry {
    	u16 offset;
    	u16 a_delay;
    	u16 g_delay;
    };
    
    
    struct pad_conf_entry {
    	u32 offset;
    	u32 val;
    };
    
    
    struct omap_sysinfo {
    	char *board_string;
    };
    extern const struct omap_sysinfo sysinfo;
    
    void gpmc_init(void);
    void watchdog_init(void);
    u32 get_device_type(void);
    void do_set_mux(u32 base, struct pad_conf_entry const *array, int size);
    
    void do_set_mux32(u32 base, struct pad_conf_entry const *array, int size);
    
    void set_muxconf_regs_essential(void);
    u32 wait_on_value(u32, u32, void *, u32);
    void sdelay(unsigned long);
    
    void setup_early_clocks(void);
    
    void prcm_init(void);
    
    void bypass_dpll(u32 const base);
    
    void freq_update_core(void);
    u32 get_sys_clk_freq(void);
    u32 omap5_ddr_clk(void);
    void cancel_out(u32 *num, u32 *den, u32 den_limit);
    void sdram_init(void);
    u32 omap_sdram_size(void);
    u32 cortex_rev(void);
    
    void save_omap_boot_params(void);
    
    void init_omap_revision(void);
    void do_io_settings(void);
    
    int omap_vc_bypass_send_value(u8 sa, u8 reg_addr, u8 reg_data);
    
    u32 warm_reset(void);
    
    void force_emif_self_refresh(void);
    
    void get_ioregs(const struct ctrl_ioregs **regs);
    
    void setup_warmreset_time(void);
    
    static inline u32 div_round_up(u32 num, u32 den)
    {
    	return (num + den - 1)/den;
    }
    
    static inline u32 usec_to_32k(u32 usec)
    {
    	return div_round_up(32768 * usec, 1000000);
    }
    
    
    #define OMAP5_SERVICE_L2ACTLR_SET    0x104
    
    #define OMAP5_SERVICE_ACR_SET        0x107