openbcm

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avs.c (3871B)

      1 /*
      2  * 
      3  * This license is set out in https://raw.githubusercontent.com/Broadcom-Network-Switching-Software/OpenBCM/master/Legal/LICENSE file.
      4  * 
      5  * Copyright 2007-2019 Broadcom Inc. All rights reserved.
      6  *
      7  * File:        avs.c
      8  * Purpose:
      9  * Requires:
     10  */
     11  
     12 #include <shared/bsl.h>
     13 
     14 #ifdef INCLUDE_AVS
     15 #include <soc/avs.h>
     16 #include <soc/i2c.h>
     17 
     18 #define SOC_AVS_HR3_NUMBER_OF_CENTRALS 36
     19 #define SOC_AVS_HR3_CENTRAL_XBMP0 0x0
     20 #define SOC_AVS_HR3_CENTRAL_XBMP1 0xFFFFFFF0
     21 #define SOC_AVS_HR3_FIRST_CENTRAL 0
     22 
     23 #define SOC_AVS_HR3_NUMBER_OF_REMOTES 11
     24 #define SOC_AVS_HR3_REMOTE_XBMP0 0x0
     25 #define SOC_AVS_HR3_FIRST_REMOTE 0
     26 
     27 #define SOC_AVS_HR3_VMIN_AVS SOC_AVS_DEFAULT_VMIN_AVS
     28 #define SOC_AVS_HR3_VMAX_AVS SOC_AVS_DEFAULT_VMAX_AVS
     29 #define SOC_AVS_HR3_VMARGIN_HIGH SOC_AVS_DEFAULT_VMARGIN_HIGH
     30 #define SOC_AVS_HR3_VMARGIN_LOW SOC_AVS_DEFAULT_VMARGIN_LOW
     31 
     32 
     33 
     34 static soc_avs_reg_info_t _hr3_osc_cen_init_list[]={
     35 /* AVS_REG_HW_MNTR_ENABLE_DEFAULT_CEN_ROSC_0r */
     36 {AVS_REG_HW_MNTR_ENABLE_DEFAULT_CEN_ROSC_0r,CEN_ROSC_ENABLE_DEFAULTf},
     37 {AVS_REG_HW_MNTR_ENABLE_DEFAULT_CEN_ROSC_1r,CEN_ROSC_ENABLE_DEFAULTf},
     38 {-1,-1},
     39 };
     40 
     41 static soc_avs_reg_info_t _hr3_osc_cen_thr_en_list[]={
     42 {AVS_REG_ROSC_THRESHOLD_1_CEN_ROSC_THRESHOLD1_EN_0r,IRQ_ENf},
     43 {AVS_REG_ROSC_THRESHOLD_1_CEN_ROSC_THRESHOLD1_EN_1r,IRQ_ENf},
     44 {AVS_REG_ROSC_THRESHOLD_2_CEN_ROSC_THRESHOLD2_EN_0r,IRQ_ENf},
     45 {AVS_REG_ROSC_THRESHOLD_2_CEN_ROSC_THRESHOLD2_EN_1r,IRQ_ENf},
     46 {-1,-1},
     47 };
     48 
     49 /* reset osc measurement */
     50 static soc_avs_reg_info_t _hr3_osc_seq_reset_list[]={
     51 {AVS_REG_HW_MNTR_MEASUREMENTS_INIT_CEN_ROSC_0r,M_INIT_CEN_ROSCf},
     52 {AVS_REG_HW_MNTR_MEASUREMENTS_INIT_CEN_ROSC_1r,M_INIT_CEN_ROSCf},
     53 {AVS_REG_HW_MNTR_MEASUREMENTS_INIT_RMT_ROSC_0r,M_INIT_RMT_ROSCf},
     54 {-1,-1}
     55 };
     56 
     57 int
     58 _soc_hr3_avs_info_init(int unit, soc_avs_info_t *avs_info)
     59 {    
     60 
     61     if (avs_info == NULL) {
     62         return (SOC_E_PARAM);
     63     }
     64        
     65     avs_info->num_centrals = SOC_AVS_HR3_NUMBER_OF_CENTRALS;
     66     avs_info->cent_xbmp[0] = SOC_AVS_HR3_CENTRAL_XBMP0;
     67     avs_info->cent_xbmp[1] = SOC_AVS_HR3_CENTRAL_XBMP1;
     68     avs_info->first_cent = SOC_AVS_HR3_FIRST_CENTRAL;
     69 
     70     avs_info->num_remotes = SOC_AVS_HR3_NUMBER_OF_REMOTES;
     71     avs_info->rmt_xbmp[0] = SOC_AVS_HR3_REMOTE_XBMP0;
     72     avs_info->first_rmt = SOC_AVS_HR3_FIRST_REMOTE;
     73 
     74     avs_info->vmin_avs = SOC_AVS_INT(SOC_AVS_HR3_VMIN_AVS);
     75     avs_info->vmax_avs = SOC_AVS_INT(SOC_AVS_HR3_VMAX_AVS);
     76     avs_info->vmargin_low  = SOC_AVS_INT(SOC_AVS_HR3_VMARGIN_LOW);
     77     avs_info->vmargin_high = SOC_AVS_INT(SOC_AVS_HR3_VMARGIN_HIGH);
     78     
     79     avs_info->rosc_count_mode = SOC_AVS_ROSC_COUNT_MODE_1EDGE;
     80     avs_info->ref_clk_freq = 25;
     81     avs_info->measurement_time_control = 127;
     82     avs_info->osc_cen_init_info = _hr3_osc_cen_init_list;
     83     avs_info->osc_cen_thr_en_info = _hr3_osc_cen_thr_en_list;
     84     avs_info->osc_seq_reset_info = _hr3_osc_seq_reset_list;
     85 
     86     avs_info->avs_flags = SOC_AVS_INFO_F_SET_THRESHOLDS |
     87                           SOC_AVS_INFO_F_RSOC_THRESHOLD_CACHE;
     88 
     89 #ifdef BCM_SBUSDMA_SUPPORT
     90     if (soc_feature(unit, soc_feature_sbusdma)) {
     91         avs_info->avs_flags |= SOC_AVS_INFO_F_RSOC_COUNT_DMA;
     92         avs_info->cen_osc_reg = AVS_REG_RO_REGISTERS_0_CEN_ROSC_STATUSr;
     93         avs_info->rmt_osc_reg = AVS_REG_PMB_SLAVE_AVS_ROSC_COUNTr;
     94     }
     95 #endif
     96     return SOC_E_NONE;
     97 }
     98 
     99 int
    100 _soc_hr3_avs_info_deinit(int unit)
    101 {
    102     
    103     int rv = SOC_E_NONE;
    104         
    105     return rv;
    106 }
    107 
    108 soc_avs_functions_t _hr3_avs_functions;
    109 
    110 int
    111 soc_hr3_avs_init(int unit)
    112 {
    113     /* register avs functions*/
    114     memset(&_hr3_avs_functions, 0, sizeof(soc_avs_functions_t));
    115     _hr3_avs_functions.info_init = &_soc_hr3_avs_info_init;
    116     _hr3_avs_functions.info_deinit = &_soc_hr3_avs_info_deinit;
    117 #if 0
    118     _hr3_avs_functions.voltage_set = NULL;
    119     _hr3_avs_functions.voltage_get = NULL;
    120 #endif
    121     soc_avs_function_register(unit, &_hr3_avs_functions);
    122     return 0;
    123 }
    124 #endif /* INCLUDE_AVS */