REG_SYS_CFG1
rtl_write_byte(rtlpriv, REG_SYS_CFG1 + 3, 0xff);
value32 = rtl_read_dword(rtlpriv, REG_SYS_CFG1);
dwordtmp = rtl_read_dword(rtlpriv, REG_SYS_CFG1);
value32 = rtl_read_dword(rtlpriv, REG_SYS_CFG1);
rtl_write_byte(rtlpriv, REG_SYS_CFG1 + 3, 0xFF);
if (rtw_read32(rtwdev, REG_SYS_CFG1) & BIT_LDO)
hal->chip_version = rtw_read32(rtwdev, REG_SYS_CFG1);
if (rtw_read8(rtwdev, REG_SYS_CFG1 + 3) & BIT(0))