arch/arm/cpu/armv7/sc8810/chg_phy.c

   1 #include <common.h>
   2 #include <asm/io.h>
   3
   4 #include <asm/arch/regs_adi.h>
   5 #include <asm/arch/adi_hal_internal.h>
   6 #include <asm/arch/analog_reg_v3.h>
   7
   8 uint16_t adc_voltage_table[2][2] =
   9 {
  10 #ifdef CONFIG_SC7710G2
  11     {3300, 4200},
  12     {2800, 3600},
  13 #else
  14         {928,4200},
  15         {796,3600},
  16 #endif
  17 };
  18 uint16_t CHGMNG_AdcvalueToVoltage (uint16_t adcvalue)
  19 {
  20         int32_t temp;
  21         temp = adc_voltage_table[0][1] - adc_voltage_table[1][1];
  22         temp = temp * (adcvalue - adc_voltage_table[0][0]);
  23         temp = temp / (adc_voltage_table[0][0] - adc_voltage_table[1][0]);
  24
  25         printf("mingwei uboot adcvalue:%u,vol:%d,adc4200:%d,adc3600:%d\n", (unsigned int)adcvalue, temp + adc_voltage_table[0][1],
  26                 adc_voltage_table[0][0], adc_voltage_table[1][0]);
  27
  28         return temp + adc_voltage_table[0][1];
  29 }
  30 void CHG_TurnOn (void)
  31 {
  32         ANA_REG_AND (ANA_CHGR_CTL0,~CHGR_PD_BIT);
  33 }
  34
  35 void CHG_ShutDown (void)
  36 {
  37         ANA_REG_OR (ANA_CHGR_CTL0,CHGR_PD_BIT);
  38 }
  39
  40 void CHG_SetRecharge (void)
  41 {
  42         ANA_REG_OR (ANA_CHGR_CTL0,CHGR_RECHG_BIT);
  43 }
  44
  45 void CHG_Init (void)
  46 {
  47         unsigned int efuse_cal_data[2] = {0};
  48         if(sci_efuse_calibration_get(efuse_cal_data))
  49         {
  50                 printf("sci_efuse_calibration_get OK");
  51                 adc_voltage_table[0][1]=efuse_cal_data[0]&0xffff;
  52                 adc_voltage_table[0][0]=(efuse_cal_data[0]>>16)&0xffff;
  53                 adc_voltage_table[1][1]=efuse_cal_data[1]&0xffff;
  54                 adc_voltage_table[1][0]=(efuse_cal_data[1]>>16)&0xffff;
  55         }
  56 #ifdef CONFIG_AP_ADC_CALIBRATION
  57         {
  58                 extern int read_adc_calibration_data(char *buffer,int size);
  59                 unsigned int *adc_data;
  60                 int ret=0;
  61                 adc_data = malloc(64);
  62                 if(adc_data){
  63                         ret = read_adc_calibration_data(adc_data,48);
  64                         if((ret > 0) &&
  65                            ((adc_data[2]&0xffff) < 4500 )&&((adc_data[2]&0xffff) > 3000)&&
  66                            ((adc_data[3]&0xffff) < 4500 )&&((adc_data[3]&0xffff) > 3000)){
  67                                 printf("adc_para = 0x%x 0x%x \n",adc_data[2],adc_data[3]);
  68                                 adc_voltage_table[0][1]=adc_data[2]&0xffff;
  69                                 adc_voltage_table[0][0]=(adc_data[2]>>16)&0xffff;
  70                                 adc_voltage_table[1][1]=adc_data[3]&0xffff;
  71                                 adc_voltage_table[1][0]=(adc_data[3]>>16)&0xffff;
  72                         }
  73                         free(adc_data);
  74                 }
  75           }
  76 #endif
  77
  78         CHG_SetRecharge();
  79 }
  80