int pwrctrl_dfs_init(void)
{
    void __iomem *reg_addr;
    struct acpufreqinfo *p_freqinfo;

    reg_addr = (void __iomem *)HISI_VA_ADDRESS(SOC_PERI_SCTRL_SC_RESERVED8_ADDR(SOC_PERI_SCTRL_BASE_ADDR));
    g_dfs_data_addr = ioremap(ACPU_DFS_FREQ_ADDR, ACPU_DFS_FREQ_ADDR_SIZE);

    p_freqinfo = (struct acpufreqinfo *)g_dfs_data_addr;
    p_freqinfo->dfs_flag = 0;
    p_freqinfo->dfs_acpu_freq = 0;
    p_freqinfo->dfs_temp_freq = 0;

    g_stPwcSwitch = (ST_PWC_SWITCH_STRU *)(reg_addr);

	dt_insmod_buslow();
	dt_insmod_bus_dfs();
	if(!dt_insmod_dvfs()){g_adfs_module = 1;}

    wake_lock_init(&acpu_freq_lock,WAKE_LOCK_SUSPEND,"acpu_freq_lock");

    ddr_min_req.pm_qos_class = 0;
    ddr_max_req.pm_qos_class = 0;
    pm_qos_add_request(&ddr_min_req, DFS_QOS_ID_DDR_MINFREQ, QOS_DDR_MIN_DEFAULT_VALUE + 2);
    pm_qos_add_request(&ddr_max_req, DFS_QOS_ID_DDR_MAXFREQ, QOS_DDR_MAX_DEFAULT_VALUE - 2);

    return RET_OK;
}
s32_t __init pwrctrl_early_init(void_t)
{
  	g_stAcpuPwcSwitch =(ST_PWC_SWITCH_STRU *)IO_ADDRESS(SOC_PERI_SCTRL_SC_RESERVED8_ADDR(SOC_PERI_SCTRL_BASE_ADDR));

    LOG_IF(pwrctrl_dfs_init() != RET_OK);
    LOG_IF(pwrctrl_timer_addr_remap() != RET_OK);

    /*******拷贝低功耗代码至SARM********/
    pwrctrl_asm_mem_copy();

}
int pwrctrl_dfs_init(void)
{
     unsigned int sys_off_addr;

     sys_off_addr = IO_ADDRESS(SOC_PERI_SCTRL_BASE_ADDR);
#if defined(CHIP_BB_HI6210)
     g_stPwcSwitch = (ST_PWC_SWITCH_STRU *)SOC_PERI_SCTRL_SC_RESERVED8_ADDR(sys_off_addr);
#else
	g_stPwcSwitch = (ST_PWC_SWITCH_STRU *)SOC_PERI_SCTRL_SC_RESERVED8_ADDR(sys_off_addr);
#endif

#if 0
    RET_ERR_IF(pm_qos_add_notifier(PM_QOS_DDR_MINFREQ, &ddr_minfreq_notifier) < 0);
    RET_ERR_IF(pm_qos_add_notifier(PM_QOS_DDR_MAXFREQ, &ddr_maxfreq_notifier) < 0);
    RET_ERR_IF(pm_qos_add_notifier(PM_QOS_ACPU_MINFREQ, &acpu_minfreq_notifier) < 0);
    RET_ERR_IF(pm_qos_add_notifier(PM_QOS_ACPU_MAXFREQ, &acpu_maxfreq_notifier) < 0);
#endif
    #if 0
    RET_ERR_IF(pm_qos_add_notifier(PM_QOS_GPU_MINFREQ, &gpu_minfreq_notifier) < 0);
    RET_ERR_IF(pm_qos_add_notifier(PM_QOS_GPU_MAXFREQ, &gpu_maxfreq_notifier) < 0);
    #endif

    return RET_OK;
}