class CPLD:
CPLD_I2C_BUS = 1
CPLD_I2C_ADDR = [0x30, 0x39, 0x3A, 0x3B, 0x3C]
CPLD_PORT_INT_BIT = 0b00000001
CPLD_GBOX_INT_BIT = 0b00000010
CPLD_PORT_PRE_BIT = 0b00001000
CPLD_RTMR_INT_BIT = 0b00000001
CPLD_QSFP_STATUS_INT_BIT = 0b00000001
CPLD_QSFP_STATUS_ABS_BIT = 0b00000010
CPLD_QSFP_CONFIG_RST_BIT = 0b00000001
CPLD_QSFP_CONFIG_LP_BIT = 0b00000100
CPLD_QSFPDD_STATUS_INT_BIT = 0b00000001
CPLD_QSFPDD_STATUS_ABS_BIT = 0b00000010
CPLD_QSFPDD_CONFIG_RST_BIT = 0b00000001
CPLD_QSFPDD_CONFIG_LP_BIT = 0b00000100
CPLD_SFP0_STATUS_PRSNT_BIT = 0b00000001
CPLD_SFP0_STATUS_TX_FAULT_BIT = 0b00000010
CPLD_SFP0_STATUS_RX_LOS_BIT = 0b00000100
CPLD_SFP0_CONFIG_TX_DIS_BIT = 0b00000001
CPLD_SFP1_STATUS_PRSNT_BIT = 0b00010000
CPLD_SFP1_STATUS_TX_FAULT_BIT = 0b00100000
CPLD_SFP1_STATUS_RX_LOS_BIT = 0b01000000
CPLD_SFP1_CONFIG_TX_DIS_BIT = 0b00010000
CPLD_PSU0_STATUS_PRSNT_BIT = 0b01000000
CPLD_PSU0_STATUS_POWER_BIT = 0b00010000
CPLD_PSU1_STATUS_PRSNT_BIT = 0b10000000
CPLD_PSU1_STATUS_POWER_BIT = 0b00100000
CPLD_BMC_PRNST_BIT = 0b00000001
CPLD_CS4227_RESET_BIT = 0b00010000
CPLD_GBX_RESET_BIT = 0b00100000
CPLD_J2_RESET_BIT = 0b01000000
CPLD_RETIMER_RESET_BIT = 0b00000001
CPLD_OP2_CRST_RESET_BIT = 0b00000001
CPLD_OP2_PERST_RESET_BIT = 0b00000010
CPLD_OP2_SRST_RESET_BIT = 0b00000100
CPLD_J2_ROV_BIT = 0b00001110
ATTR_CPLD_VERSION = "cpld_version"
ATTR_CPLD_ID = "cpld_id"
ATTR_CPLD_BOARD_TYPE = "cpld_board_type"
ATTR_CPLD_EXT_BOARD_TYPE = "cpld_ext_board_type"
ATTR_CPLD_INTR = "cpld_interrupt"
ATTR_CPLD_INTR_2 = "cpld_interrupt_2"
ATTR_CPLD_QSFPDD_PORT_STATUS = "cpld_qsfpdd_port_status"
ATTR_CPLD_QSFPDD_PORT_CONFIG = "cpld_qsfpdd_port_config"
ATTR_CPLD_QSFP_PORT_STATUS = "cpld_qsfp_port_status"
ATTR_CPLD_QSFP_PORT_CONFIG = "cpld_qsfp_port_config"
ATTR_CPLD_SFP_PORT_STATUS = "cpld_sfp_port_status"
ATTR_CPLD_SFP_PORT_CONFIG = "cpld_sfp_port_config"
ATTR_CPLD_PSU_STATUS = "cpld_psu_status"
ATTR_CPLD_SFP_LED = "cpld_sfp_led"
ATTR_CPLD_QSFPDD_LED = "cpld_qsfpdd_led"
ATTR_CPLD_SYSTEM_LED = "cpld_system_led"
ATTR_CPLD_BMC_PRSNT = "cpld_bmc_status"
ATTR_CPLD_RESET_CTRL = "cpld_reset_control"
ATTR_CPLD_RESET_MAC = "cpld_reset_mac"
ATTR_CPLD_RESET_RETIMER = "cpld_reset_retimer"
ATTR_CPLD_RESET_MAC_2 = "cpld_reset_mac_2"
ATTR_CPLD_GBOX_INTR = "cpld_gbox_intr"
ATTR_CPLD_RETIMER_INTR = "cpld_retimer_intr"
DEV_NAME = "s9700_53dx_cpld"
DRIVER_NAME = "x86_64_ufispace_s9700_53dx_cpld"
def __init__(self):
log = Logger(__name__)
self.logger = log.getLogger()
self.i2c = I2C()
self.lpc = LPC()
self.sysfs_util = SysfsUtility()
self.brd_id_util = BrdIDUtility()
# init i2c devices for CPLD
self.i2c_dev = []
for i in range(CPLDConst.CPLD_MAX):
self.i2c_dev.append(
I2C_Dev(self.CPLD_I2C_BUS, self.CPLD_I2C_ADDR[i]))
def init(self):
try:
for cpld_index in range(CPLDConst.CPLD_MAX):
sysfs_path = self.sysfs_util.get_sysfs_path(
self.CPLD_I2C_BUS, self.i2c_dev[cpld_index].addr)
sysfs_new_dev_path = self.sysfs_util.get_new_dev_path(
self.i2c_dev[cpld_index].bus)
if not os.path.exists(sysfs_path):
with open(sysfs_new_dev_path, "w") as f:
f.write(
"{}{} {}".format(self.DEV_NAME, cpld_index + 1,
self.i2c_dev[cpld_index].addr))
else:
self.logger.warning(
"sysfs_path already exist: {0}".format(sysfs_path))
continue
except IOError as e:
self.logger.error("I/O error({0}): {1}".format(
e.errno, e.strerror))
except:
self.logger.error("Unexpected error:", sys.exc_info()[0])
raise
def deinit(self):
try:
for cpld_index in range(CPLDConst.CPLD_MAX):
sysfs_path = self.sysfs_util.get_sysfs_path(
self.CPLD_I2C_BUS, self.i2c_dev[cpld_index].addr)
sysfs_del_dev_path = self.sysfs_util.get_del_dev_path(
self.i2c_dev[cpld_index].bus)
if os.path.exists(sysfs_path):
with open(sysfs_del_dev_path, "w") as f:
f.write("{}".format(self.i2c_dev[cpld_index].addr))
return
except IOError as e:
self.logger.error("I/O error({0}): {1}".format(
e.errno, e.strerror))
except:
self.logger.error("Unexpected error:", sys.exc_info()[0])
raise
def _get_sysfs_path(self, cpld_index, cpld_attr, cpld_port_index=-1):
sysfs_path = self.sysfs_util.get_sysfs_path(
self.CPLD_I2C_BUS, self.i2c_dev[cpld_index].addr, cpld_attr)
if cpld_port_index != -1:
sysfs_path = sysfs_path + "_" + str(cpld_port_index)
return sysfs_path
def _read_sysfs(self, sysfs_path, data_type=DataType.INT):
reg_val = 0
try:
if os.path.exists(sysfs_path):
with open(sysfs_path, "r") as f:
# read content
content = f.read()
# convert data type
if data_type == DataType.INT:
reg_val = int(content.strip(), 0)
else:
raise IOError(
"sysfs_path does not exist: {0}".format(sysfs_path))
except Exception as e:
self.logger.error(e)
raise
return reg_val
def _write_sysfs(self, sysfs_path, reg_val):
try:
if os.path.exists(sysfs_path):
with open(sysfs_path, "w") as f:
f.write(str(reg_val))
return True
else:
self.logger.error(
"sysfs_path does not exist: {0}".format(sysfs_path))
return False
except Exception as e:
self.logger.error(e)
raise
# read cpld reg from sysfs
def _read_cpld_reg(self, cpld_index, cpld_attr, cpld_port_index=-1):
sysfs_path = self._get_sysfs_path(cpld_index, cpld_attr,
cpld_port_index)
reg_val = self._read_sysfs(sysfs_path)
return reg_val
# write cpld reg via sysfs
def _write_cpld_reg(self,
cpld_index,
cpld_attr,
reg_val,
cpld_port_index=-1):
sysfs_path = self._get_sysfs_path(cpld_index, cpld_attr,
cpld_port_index)
return self._write_sysfs(sysfs_path, reg_val)
# get bit shift from mask
def _get_shift(self, reg_mask):
mask_one = 1
for i in range(8):
if reg_mask & mask_one == 1:
return i
else:
reg_mask >>= 1
# not found
return -1
########## FOR CPLD UTILITY ##########
def get_board_info(self):
cpld_index = CPLDConst.CPLD_1
try:
# read board_id reg
cpld_attr = self.ATTR_CPLD_BOARD_TYPE
reg_val = self._read_cpld_reg(cpld_index, cpld_attr)
#board id
board_id = self.brd_id_util.get_model_id(reg_val)
board_id_str = self.brd_id_util.get_model_id_str(board_id)
#hw_rev
hw_rev = self.brd_id_util.get_hw_rev(reg_val)
hw_rev_str = self.brd_id_util.get_hw_rev_str(hw_rev)
#build_rev
build_rev = self.brd_id_util.get_build_rev(reg_val)
build_rev_str = self.brd_id_util.get_build_rev_str(build_rev)
return {
"board_id": board_id,
"board_id_str": board_id_str,
"hw_rev": hw_rev,
"hw_rev_str": hw_rev_str,
"build_rev": build_rev,
"build_rev_str": build_rev_str
}
except Exception as e:
self.logger.error(e)
raise
def get_cpu_board_cpld_version(self):
try:
reg_val = self.lpc.regGet(LPCDevType.CPLD_ON_CPU_BOARD,
CPLDCPUReg.REG_CPLD_REVISION)
return reg_val
except Exception as e:
self.logger.error(e)
raise
def get_main_board_cpld_version(self):
cpld_index = CPLDConst.CPLD_1
cpld_attr = self.ATTR_CPLD_VERSION
reg_vals = []
for cpld_index in range(CPLDConst.CPLD_MAX):
reg_val = self._read_cpld_reg(cpld_index, cpld_attr)
reg_vals.append(reg_val)
return reg_vals
def get_main_board_cpld_id(self):
cpld_index = CPLDConst.CPLD_1
cpld_attr = self.ATTR_CPLD_ID
reg_vals = []
for cpld_index in range(CPLDConst.CPLD_MAX):
reg_val = self._read_cpld_reg(cpld_index, cpld_attr)
reg_vals.append(reg_val)
return reg_vals
def get_port_interrupt(self, cpld_index):
cpld_attr = self.ATTR_CPLD_INTR
reg_mask = self.CPLD_PORT_INT_BIT
reg_val = self._read_cpld_reg(cpld_index, cpld_attr)
interrupt = (reg_val & reg_mask) >> self._get_shift(reg_mask)
return interrupt
def get_intr_reg(self, cpld_index, reg_index):
cpld_attr = [self.ATTR_CPLD_INTR, self.ATTR_CPLD_INTR_2]
#only cpld0 has intr 2
if cpld_index != 0 and reg_index > 0:
raise ValueError("interrupt_2 reg is only available in cpld 0")
reg_val = self._read_cpld_reg(cpld_index, cpld_attr[reg_index])
return reg_val
def get_port_presence(self, cpld_index):
cpld_attr = self.ATTR_CPLD_INTR
reg_mask = self.CPLD_PORT_PRE_BIT
reg_val = self._read_cpld_reg(cpld_index, cpld_attr)
presence = (reg_val & reg_mask) >> self._get_shift(reg_mask)
return presence
########## FOR SFP+ ##########
def sfp_get_presence(self, port_num):
cpld_index = CPLDConst.CPLD_1
cpld_attr = self.ATTR_CPLD_SFP_PORT_STATUS
mask = 0
reg_val = self._read_cpld_reg(cpld_index, cpld_attr)
if port_num == 0:
mask = self.CPLD_SFP0_STATUS_PRSNT_BIT
else:
mask = self.CPLD_SFP1_STATUS_PRSNT_BIT
presence = (reg_val & mask) >> self._get_shift(mask)
return presence
def sfp_get_tx_fault(self, port_num):
cpld_index = CPLDConst.CPLD_1
cpld_attr = self.ATTR_CPLD_SFP_PORT_STATUS
mask = 0
reg_val = self._read_cpld_reg(cpld_index, cpld_attr)
if port_num == 0:
mask = self.CPLD_SFP0_STATUS_TX_FAULT_BIT
else:
mask = self.CPLD_SFP1_STATUS_TX_FAULT_BIT
tx_fault = (reg_val & mask) >> self._get_shift(mask)
return tx_fault
def sfp_get_tx_disable(self, port_num):
cpld_index = CPLDConst.CPLD_1
cpld_attr = self.ATTR_CPLD_SFP_PORT_CONFIG
mask = 0
reg_val = self._read_cpld_reg(cpld_index, cpld_attr)
if port_num == 0:
mask = self.CPLD_SFP0_CONFIG_TX_DIS_BIT
else:
mask = self.CPLD_SFP1_CONFIG_TX_DIS_BIT
tx_disable = (reg_val & mask) >> self._get_shift(mask)
return tx_disable
def sfp_set_tx_disable(self, port_num, tx_disable):
cpld_index = CPLDConst.CPLD_1
cpld_attr = self.ATTR_CPLD_SFP_PORT_CONFIG
mask = 0
reg_val = self._read_cpld_reg(cpld_index, cpld_attr)
if port_num == 0:
mask = self.CPLD_SFP0_CONFIG_TX_DIS_BIT
else:
mask = self.CPLD_SFP1_CONFIG_TX_DIS_BIT
if tx_disable == SFP.DISABLED:
reg_val |= mask
else:
reg_val &= ~mask
return self._write_cpld_reg(cpld_index, cpld_attr, reg_val)
def sfp_get_rx_los(self, port_num):
cpld_index = CPLDConst.CPLD_1
cpld_attr = self.ATTR_CPLD_SFP_PORT_STATUS
mask = 0
reg_val = self._read_cpld_reg(cpld_index, cpld_attr)
if port_num == 0:
mask = self.CPLD_SFP0_STATUS_RX_LOS_BIT
else:
mask = self.CPLD_SFP1_STATUS_RX_LOS_BIT
rx_los = (reg_val & mask) >> self._get_shift(mask)
return rx_los
########## FOR QSFP ##########
def _qsfp_port_fp2phy(self, fp_port):
if 0 <= fp_port <= 19:
phy_port = fp_port
else:
if fp_port % 2 == 0:
phy_port = fp_port + 1
else:
phy_port = fp_port - 1
return phy_port
def _qsfp_cpld_var_set(self, phy_port):
if 0 <= phy_port <= 11:
cpld_index = CPLDConst.CPLD_1
reg_port_base = 0
elif 12 <= phy_port <= 24:
cpld_index = CPLDConst.CPLD_2
reg_port_base = 12
elif 25 <= phy_port <= 37:
cpld_index = CPLDConst.CPLD_3
reg_port_base = 25
elif 38 <= phy_port <= 39:
cpld_index = CPLDConst.CPLD_4
reg_port_base = 38
else:
self.logger.error("invalid port number")
cpld_var = {
"cpld_index": cpld_index,
"cpld_port_index": phy_port - reg_port_base
}
return cpld_var
def _read_qsfp_reg(self, port_num, cpld_attr, reg_mask, reg_shift):
phy_port = self._qsfp_port_fp2phy(port_num)
cpld_var = self._qsfp_cpld_var_set(phy_port)
reg_val = self._read_cpld_reg(cpld_var["cpld_index"], cpld_attr,
cpld_var["cpld_port_index"])
masked_val = (reg_val & reg_mask) >> reg_shift
return masked_val
def _write_qsfp_reg(self, port_num, cpld_attr, reg_val):
phy_port = self._qsfp_port_fp2phy(port_num)
cpld_var = self._qsfp_cpld_var_set(phy_port)
return self._write_cpld_reg(cpld_var["cpld_index"], cpld_attr, reg_val,
cpld_var["cpld_port_index"])
def qsfp_get_presence(self, port_num):
cpld_attr = self.ATTR_CPLD_QSFP_PORT_STATUS
reg_mask = self.CPLD_QSFP_STATUS_ABS_BIT
reg_shift = self._get_shift(reg_mask)
presence = self._read_qsfp_reg(port_num, cpld_attr, reg_mask,
reg_shift)
return presence
def qsfp_get_interrupt(self, port_num):
cpld_attr = self.ATTR_CPLD_QSFP_PORT_STATUS
reg_mask = self.CPLD_QSFP_STATUS_INT_BIT
reg_shift = self._get_shift(reg_mask)
interrupt = self._read_qsfp_reg(port_num, cpld_attr, reg_mask,
reg_shift)
return interrupt
def qsfp_get_lp_mode(self, port_num):
cpld_attr = self.ATTR_CPLD_QSFP_PORT_CONFIG
reg_mask = self.CPLD_QSFP_CONFIG_LP_BIT
reg_shift = self._get_shift(reg_mask)
lp_mode = self._read_qsfp_reg(port_num, cpld_attr, reg_mask, reg_shift)
return lp_mode
def qsfp_set_lp_mode(self, port_num, lp_mode):
cpld_attr = self.ATTR_CPLD_QSFP_PORT_CONFIG
reg_mask = 0xFF
reg_shift = self._get_shift(reg_mask)
reg_val = self._read_qsfp_reg(port_num, cpld_attr, reg_mask, reg_shift)
if lp_mode == LPMode.ENABLE:
reg_val |= self.CPLD_QSFP_CONFIG_LP_BIT
else:
reg_val &= ~self.CPLD_QSFP_CONFIG_LP_BIT
self._write_qsfp_reg(port_num, cpld_attr, reg_val)
def qsfp_get_reset(self, port_num):
cpld_attr = self.ATTR_CPLD_QSFP_PORT_CONFIG
reg_mask = self.CPLD_QSFP_CONFIG_RST_BIT
reg_shift = self._get_shift(reg_mask)
reset = self._read_qsfp_reg(port_num, cpld_attr, reg_mask, reg_shift)
return reset
def qsfp_set_reset(self, port_num, reset):
cpld_attr = self.ATTR_CPLD_QSFP_PORT_CONFIG
reg_mask = 0xFF
reg_shift = self._get_shift(reg_mask)
reg_val = self._read_qsfp_reg(port_num, cpld_attr, reg_mask, reg_shift)
# high -> low, trigger reset
if reset == PortStatus.RESET:
reg_val &= ~self.CPLD_QSFP_CONFIG_RST_BIT
else:
reg_val |= self.CPLD_QSFP_CONFIG_RST_BIT
self._write_qsfp_reg(port_num, cpld_attr, reg_val)
def qsfp_reset_port(self, port_num):
cpld_attr = self.ATTR_CPLD_QSFP_PORT_CONFIG
reg_mask = 0xFF
reg_shift = self._get_shift(reg_mask)
reg_val = self._read_qsfp_reg(port_num, cpld_attr, reg_mask, reg_shift)
# high -> low, trigger reset
reg_val &= ~self.CPLD_QSFP_CONFIG_RST_BIT
self._write_qsfp_reg(port_num, cpld_attr, reg_val)
# By sff-8436, the execution of a reset is max 2000ms
sleep(2)
# low -> high, release reset
reg_val |= self.CPLD_QSFP_CONFIG_RST_BIT
self._write_qsfp_reg(port_num, cpld_attr, reg_val)
########## FOR QSFPDD ##########
def _qsfpdd_port_fp2phy(self, fp_port):
phy_port = fp_port
return phy_port
def _qsfpdd_cpld_var_set(self, phy_port):
if 0 <= phy_port <= 2:
cpld_index = CPLDConst.CPLD_4
reg_port_base = 0
elif 3 <= phy_port <= 12:
cpld_index = CPLDConst.CPLD_5
reg_port_base = 3
else:
self.logger.error("invalid port number")
cpld_var = {
"cpld_index": cpld_index,
"cpld_port_index": phy_port - reg_port_base
}
return cpld_var
def _read_qsfpdd_reg(self, port_num, cpld_attr, reg_mask, reg_shift):
phy_port = self._qsfpdd_port_fp2phy(port_num)
cpld_var = self._qsfpdd_cpld_var_set(phy_port)
reg_val = self._read_cpld_reg(cpld_var["cpld_index"], cpld_attr,
cpld_var["cpld_port_index"])
masked_val = (reg_val & reg_mask) >> reg_shift
return masked_val
def _write_qsfpdd_reg(self, port_num, cpld_attr, reg_val):
phy_port = self._qsfpdd_port_fp2phy(port_num)
cpld_var = self._qsfpdd_cpld_var_set(phy_port)
self._write_cpld_reg(cpld_var["cpld_index"], cpld_attr, reg_val,
cpld_var["cpld_port_index"])
def qsfpdd_get_presence(self, port_num):
cpld_attr = self.ATTR_CPLD_QSFPDD_PORT_STATUS
reg_mask = self.CPLD_QSFPDD_STATUS_ABS_BIT
reg_shift = self._get_shift(reg_mask)
presence = self._read_qsfpdd_reg(port_num, cpld_attr, reg_mask,
reg_shift)
return presence
def qsfpdd_get_interrupt(self, port_num):
cpld_attr = self.ATTR_CPLD_QSFPDD_PORT_STATUS
reg_mask = self.CPLD_QSFPDD_STATUS_INT_BIT
reg_shift = self._get_shift(reg_mask)
interrupt = self._read_qsfpdd_reg(port_num, cpld_attr, reg_mask,
reg_shift)
return interrupt
def qsfpdd_get_lp_mode(self, port_num):
cpld_attr = self.ATTR_CPLD_QSFPDD_PORT_CONFIG
reg_mask = self.CPLD_QSFPDD_CONFIG_LP_BIT
reg_shift = self._get_shift(reg_mask)
lp_mode = self._read_qsfpdd_reg(port_num, cpld_attr, reg_mask,
reg_shift)
return lp_mode
def qsfpdd_set_lp_mode(self, port_num, lp_mode):
cpld_attr = self.ATTR_CPLD_QSFPDD_PORT_CONFIG
reg_mask = 0xFF
reg_shift = self._get_shift(reg_mask)
reg_val = self._read_qsfpdd_reg(port_num, cpld_attr, reg_mask,
reg_shift)
if lp_mode == LPMode.ENABLE:
reg_val |= self.CPLD_QSFPDD_CONFIG_LP_BIT
else:
reg_val &= ~self.CPLD_QSFPDD_CONFIG_LP_BIT
self._write_qsfpdd_reg(port_num, cpld_attr, reg_val)
def qsfpdd_get_reset(self, port_num):
cpld_attr = self.ATTR_CPLD_QSFPDD_PORT_CONFIG
reg_mask = self.CPLD_QSFPDD_CONFIG_RST_BIT
reg_shift = self._get_shift(reg_mask)
reset = self._read_qsfpdd_reg(port_num, cpld_attr, reg_mask, reg_shift)
return reset
def qsfpdd_set_reset(self, port_num, reset):
cpld_attr = self.ATTR_CPLD_QSFPDD_PORT_CONFIG
reg_mask = 0xFF
reg_shift = self._get_shift(reg_mask)
reg_val = self._read_qsfpdd_reg(port_num, cpld_attr, reg_mask,
reg_shift)
# high -> low, trigger reset
if reset == PortStatus.RESET:
reg_val &= ~self.CPLD_QSFPDD_CONFIG_RST_BIT
else:
reg_val |= self.CPLD_QSFPDD_CONFIG_RST_BIT
self._write_qsfpdd_reg(port_num, cpld_attr, reg_val)
def qsfpdd_reset_port(self, port_num):
cpld_attr = self.ATTR_CPLD_QSFPDD_PORT_CONFIG
reg_mask = 0xFF
reg_shift = self._get_shift(reg_mask)
reg_val = self._read_qsfpdd_reg(port_num, cpld_attr, reg_mask,
reg_shift)
# high -> low, trigger reset
reg_val &= ~self.CPLD_QSFPDD_CONFIG_RST_BIT
self._write_qsfpdd_reg(port_num, cpld_attr, reg_val)
# By sff-8436, the execution of a reset is max 2000ms
sleep(2)
# low -> high, release reset
reg_val |= self.CPLD_QSFPDD_CONFIG_RST_BIT
self._write_qsfpdd_reg(port_num, cpld_attr, reg_val)
########## FOR PSU ##########
def get_psu_presence(self, psu_num):
cpld_index = CPLDConst.CPLD_1
cpld_attr = self.ATTR_CPLD_PSU_STATUS
reg_val = self._read_cpld_reg(cpld_index, cpld_attr, psu_num)
if psu_num == PSU.PSU0:
mask = self.CPLD_PSU0_STATUS_PRSNT_BIT
else:
mask = self.CPLD_PSU1_STATUS_PRSNT_BIT
presence = (reg_val & mask) >> self._get_shift(mask)
return presence
def get_psu_power_ok(self, psu_num):
cpld_index = CPLDConst.CPLD_1
cpld_attr = self.ATTR_CPLD_PSU_STATUS
reg_val = self._read_cpld_reg(cpld_index, cpld_attr, psu_num)
if psu_num == PSU.PSU0:
mask = self.CPLD_PSU0_STATUS_POWER_BIT
else:
mask = self.CPLD_PSU1_STATUS_POWER_BIT
power_ok = (reg_val & mask) >> self._get_shift(mask)
return power_ok
########## FOR QSFPDD LED ##########
def set_qsfpdd_led(self, port, color, blink):
cpld_attr = self.ATTR_CPLD_QSFPDD_LED
cpld_index = CPLDConst.CPLD_5
mask = 0
reg_shift = 0
if color == Led.COLOR_OFF and blink == Led.BLINK_STATUS_BLINKING:
raise ValueError("LED blinking off is invalid operation")
reg_val = self._read_cpld_reg(cpld_index, cpld_attr, port)
if port % 2 == 0:
reg_shift = 0
mask = 0b11111000
else:
reg_shift = 4
mask = 0b10001111
# clear color
reg_val &= mask
# set color
if color == Led.COLOR_GREEN:
reg_val |= (QSFPDD.LED_MASK_GREEN << reg_shift)
elif color == Led.COLOR_RED:
reg_val |= (QSFPDD.LED_MASK_RED << reg_shift)
elif color == Led.COLOR_BLUE:
reg_val |= (QSFPDD.LED_MASK_BLUE << reg_shift)
elif color == Led.COLOR_OFF:
pass
else:
raise ValueError("LED color is out of range")
# set blink
if blink == Led.BLINK_STATUS_BLINKING:
reg_val |= (QSFPDD.LED_MASK_BLINK << reg_shift)
else:
reg_val &= ~(QSFPDD.LED_MASK_BLINK << reg_shift)
self._write_cpld_reg(cpld_index, cpld_attr, reg_val, port)
def get_qsfpdd_led(self, port):
cpld_attr = self.ATTR_CPLD_QSFPDD_LED
cpld_index = CPLDConst.CPLD_5
mask = 0
color = 0
blink = 0
reg_val = self._read_cpld_reg(cpld_index, cpld_attr, port)
if port % 2 == 0:
mask = 0x0F
else:
mask = 0xF0
# put data in lower lower 4 bits regardless of port
reg_val = (reg_val & mask) >> self._get_shift(mask)
# get color
if reg_val & QSFPDD.LED_MASK_GREEN == QSFPDD.LED_MASK_GREEN:
color = Led.COLOR_GREEN
elif reg_val & QSFPDD.LED_MASK_RED == QSFPDD.LED_MASK_RED:
color = Led.COLOR_RED
elif reg_val & QSFPDD.LED_MASK_BLUE == QSFPDD.LED_MASK_BLUE:
color = Led.COLOR_BLUE
else:
color = Led.COLOR_OFF
# get blink
if reg_val & QSFPDD.LED_MASK_BLINK == QSFPDD.LED_MASK_BLINK:
blink = Led.BLINK_STATUS_BLINKING
else:
blink = Led.BLINK_STATUS_SOLID
return (color, blink)
########## FOR BMC ##########
def get_bmc_presence(self):
cpld_index = CPLDConst.CPLD_1
cpld_attr = self.ATTR_CPLD_BMC_PRSNT
reg_val = self._read_cpld_reg(cpld_index, cpld_attr)
presence = (reg_val & self.CPLD_BMC_PRNST_BIT)
return presence
########## FOR RESET ##########
def reset_dev(self, devType):
cpld_index = CPLDConst.CPLD_1
if devType == DevType.J2:
cpld_attr = self.ATTR_CPLD_RESET_MAC
mask = self.CPLD_J2_RESET_BIT
elif devType == DevType.OP2_CRST:
cpld_attr = self.ATTR_CPLD_RESET_MAC
mask = self.CPLD_OP2_CRST_RESET_BIT
elif devType == DevType.OP2_PERST:
cpld_attr = self.ATTR_CPLD_RESET_MAC
mask = self.CPLD_OP2_PERST_RESET_BIT
elif devType == DevType.OP2_SRST:
cpld_attr = self.ATTR_CPLD_RESET_MAC
mask = self.CPLD_OP2_SRST_RESET_BIT
elif devType == DevType.GEARBOX:
cpld_attr = self.ATTR_CPLD_RESET_MAC
mask = self.CPLD_GBX_RESET_BIT
elif devType == DevType.RETIMER:
cpld_attr = self.ATTR_CPLD_RESET_RETIMER
mask = self.CPLD_RETIMER_RESET_BIT
elif devType == DevType.CS4227:
cpld_attr = self.ATTR_CPLD_RESET_MAC
mask = self.CPLD_CS4227_RESET_BIT
else:
return
board_info = self.get_board_info()
# proto
if board_info["hw_rev"] == 0:
if devType == DevType.J2:
try:
# reset J2
reg_val = self.lpc.regSet(LPCDevType.CPLD_ON_CPU_BOARD,
CPLDCPUReg.REG_RESET_CTRL, 0xF0)
sleep(0.1)
# unset J2
reg_val = self.lpc.regSet(LPCDevType.CPLD_ON_CPU_BOARD,
CPLDCPUReg.REG_RESET_CTRL, 0xF1)
return reg_val
except Exception as e:
self.logger.error(e)
raise
else:
pass
else: # alpha and later
reg_val = self._read_cpld_reg(cpld_index, cpld_attr)
# pull low the bit
reg_val &= ~mask
self._write_cpld_reg(cpld_index, cpld_attr, reg_val)
def get_reset_ctrl(self, devType):
cpld_index = CPLDConst.CPLD_1
cpld_attr = self.ATTR_CPLD_RESET_MAC_2
ret = 0
if devType == DevType.J2:
mask = self.CPLD_J2_RESET_BIT
elif devType == DevType.OP2_CRST:
mask = self.CPLD_OP2_CRST_RESET_BIT
elif devType == DevType.OP2_PERST:
mask = self.CPLD_OP2_PERST_RESET_BIT
elif devType == DevType.OP2_SRST:
mask = self.CPLD_OP2_SRST_RESET_BIT
else:
return -1
board_info = self.get_board_info()
# proto
if board_info["hw_rev"] < 2:
return -1
else: # alpha and later
reg_val = self._read_cpld_reg(cpld_index, cpld_attr)
ret = (reg_val & mask) >> self._get_shift(mask)
return ret
def set_reset_ctrl(self, devType, reset_status):
cpld_index = CPLDConst.CPLD_1
cpld_attr = self.ATTR_CPLD_RESET_MAC_2
if devType == DevType.J2:
mask = self.CPLD_J2_RESET_BIT
elif devType == DevType.OP2_CRST:
mask = self.CPLD_OP2_CRST_RESET_BIT
elif devType == DevType.OP2_PERST:
mask = self.CPLD_OP2_PERST_RESET_BIT
elif devType == DevType.OP2_SRST:
mask = self.CPLD_OP2_SRST_RESET_BIT
else:
return False
board_info = self.get_board_info()
# proto
if board_info["hw_rev"] < 2:
return False
else: # alpha and later
reg_val = self._read_cpld_reg(cpld_index, cpld_attr)
if reset_status == ResetStatus.RESET:
# pull low the bit
reg_val &= ~mask
else:
# pull high the bit
reg_val |= mask
return self._write_cpld_reg(cpld_index, cpld_attr, reg_val)
########## FOR System LED ##########
def get_sys_led(self, target):
cpld_attr = self.ATTR_CPLD_SYSTEM_LED
cpld_index = CPLDConst.CPLD_1
reg_index = 0
attr_index = 0
mask = 0
reg_shift = 0
if target == Led.FAN:
attr_index = 0
reg_index = 0
elif target == Led.SYSTEM:
attr_index = 0
reg_index = 1
elif target == Led.PSU0:
attr_index = 1
reg_index = 0
elif target == Led.PSU1:
attr_index = 1
reg_index = 1
else:
raise ValueError(
"LED target is out of range, target is {}".format(target))
reg_val = self._read_cpld_reg(cpld_index, cpld_attr, attr_index)
if reg_index % 2 == 0:
reg_shift = 0
mask = 0b00001111
else:
reg_shift = 4
mask = 0b11110000
return (reg_val & mask) >> reg_shift
def set_sys_led(self, target, color, blink):
cpld_attr = self.ATTR_CPLD_SYSTEM_LED
cpld_index = CPLDConst.CPLD_1
reg_index = 0
attr_index = 0
mask = 0
reg_shift = 0
if target == Led.SYSTEM:
attr_index = 0
reg_index = 1
elif target == Led.FAN:
attr_index = 0
reg_index = 0
else:
attr_index = 1
reg_index = target
if color == Led.COLOR_OFF and blink == Led.BLINK_STATUS_BLINKING:
raise ValueError("LED blinking off is invalid operation")
reg_val = self._read_cpld_reg(cpld_index, cpld_attr, attr_index)
if reg_index % 2 == 0:
reg_shift = 0
mask = 0b11110000
else:
reg_shift = 4
mask = 0b00001111
# clear color
reg_val &= mask
# set color
if color == Led.COLOR_GREEN:
reg_val |= (Led.MASK_COLOR << reg_shift)
reg_val |= (Led.MASK_ONOFF << reg_shift)
elif color == Led.COLOR_YELLOW:
reg_val &= ~(Led.MASK_COLOR << reg_shift)
reg_val |= (Led.MASK_ONOFF << reg_shift)
elif color == Led.COLOR_OFF:
reg_val &= ~(Led.MASK_ONOFF << reg_shift)
else:
raise ValueError("LED color is out of range")
# set blink
if blink == Led.BLINK_STATUS_BLINKING:
reg_val |= (Led.MASK_BLINK << reg_shift)
else:
reg_val &= ~(Led.MASK_BLINK << reg_shift)
self._write_cpld_reg(cpld_index, cpld_attr, reg_val, attr_index)
########## FOR J2 ROV ##########
def get_j2_rov_stamp(self):
cpld_index = CPLDConst.CPLD_1
cpld_attr = self.ATTR_CPLD_PSU_STATUS
index = 0
reg_val = self._read_cpld_reg(cpld_index, cpld_attr, index)
mask = self.CPLD_J2_ROV_BIT
j2_rov_stamp = (reg_val & mask) >> self._get_shift(mask)
return j2_rov_stamp
########## FOR Gearbox ##########
def gbox_get_intr(self):
cpld_index = CPLDConst.CPLD_1
cpld_attr = self.ATTR_CPLD_GBOX_INTR
index = 0
reg_val_1 = self._read_cpld_reg(cpld_index, cpld_attr, index)
reg_val_2 = self._read_cpld_reg(cpld_index, cpld_attr, index + 1)
return reg_val_1, reg_val_2
########## FOR Retimer ##########
def retimer_get_intr(self):
cpld_index = CPLDConst.CPLD_1
cpld_attr = self.ATTR_CPLD_RETIMER_INTR
reg_val = self._read_cpld_reg(cpld_index, cpld_attr)
return reg_val
class PlatformUtility:
builtin_pca954x_path = "/lib/modules/{}/kernel/drivers/i2c/muxes/i2c-mux-pca954x.ko"
#kernel release version
kr_version_cmd = "uname -r"
depmod_cmd = "depmod -a"
#pci device
PCI_CHECK_LIST = {
"00:14.0": "USB controller",
"00:1d.0": "USB controller",
"00:1f.2": "SATA controller",
"00:1f.3": "SMBus",
"02:00.0": "10 GbE SFP+",
"02:00.1": "10 GbE SFP+",
"06:00.0": "PEX 8724",
"07:01.0": "PEX 8724",
"07:02.0": "PEX 8724",
"07:08.0": "PEX 8724",
"07:09.0": "PEX 8724",
"07:0a.0": "PEX 8724",
"0b:00.0": "J2",
"0c:00.0": "OP2",
"0d:00.0": "I210"
}
USB_CHECK_LIST = {"046b:ff20": "BMC", "046b:ff01": "BMC"}
BSP_INIT_STOP = "[BSP Init Stop]"
IGNORE_ERR = True
def __init__(self):
try:
log = Logger(__name__)
self.logger = log.getLogger()
# I2C drivers
self._load_i2c_drivers()
#Check Mux Ctrl
self.lpc = LPC()
self._check_i2c_mux_ctrl()
self.ioexp = IOExpander()
self.i2c_mux = I2CMux()
self.eeprom = EEPRom()
self.cpld = CPLD()
self.thermal = Thermal()
self.rov_util = ROVUtility()
self.intr_util = INTRUtility()
self.bsp_util = BSPUtility()
except Exception:
raise
def device_init(self):
try:
# Unmount kernel modules
self._unload_kernel_module("gpio_ich")
# Mount kernel modules
# I2C Mux
subprocess.run(
['modprobe', 'i2c_mux_pca954x', 'force_deselect_on_exit=1'])
self.i2c_mux.init()
# EEPROM
self._load_kernel_module("x86_64_ufispace_s9700_53dx_eeprom_mb")
self._load_kernel_module("x86_64_ufispace_s9700_53dx_optoe")
self.eeprom.init()
# Thermal
self._load_kernel_module("lm75")
self.thermal.init()
# GPIO
self._load_kernel_module("gpio-pca953x")
self.ioexp.init(self.i2c_mux.MUXs)
# IPMI
self._load_kernel_module("ipmi_devintf")
self._load_kernel_module("ipmi_si")
# CPLD
self._load_kernel_module(self.cpld.DRIVER_NAME)
self.cpld.init()
except Exception:
raise
def device_deinit(self):
try:
# Remove kernel modules
# CPLD
self.cpld.deinit()
self._unload_kernel_module(self.cpld.DRIVER_NAME)
# GPIO
self.ioexp.deinit(self.i2c_mux.MUXs)
self._unload_kernel_module("gpio-pca953x")
# Thermal
self.thermal.deinit()
self._unload_kernel_module("lm75")
# MB EEPROM
self._unload_kernel_module("x86_64_ufispace_s9700_53dx_eeprom_mb")
# OPTOE EEPROM
self._unload_kernel_module("x86_64_ufispace_s9700_53dx_optoe")
# I2C Mux
self.i2c_mux.deinit()
self._unload_kernel_module("i2c_mux_pca954x")
except Exception:
raise
def _get_kernel_release(self):
try:
return subprocess.getoutput(self.kr_version_cmd)
except Exception:
raise
def _check_bsp_init(self):
try:
is_bsp_inited = self.bsp_util.is_bsp_inited()
if is_bsp_inited:
self.logger.error(
"BSP may be already initialized. Please run 'platform_utility.py deinit' first"
)
self.logger.error(self.BSP_INIT_STOP)
sys.exit()
except Exception:
raise
def _check_ko(self):
try:
#get kernel release
kr = self._get_kernel_release()
#remove built-in i2c-mux-pca954x.ko if exist
pca954x_path = self.builtin_pca954x_path.format(kr)
if os.path.exists(pca954x_path):
os.remove(pca954x_path)
#generate modules.dep
subprocess.run(self.depmod_cmd, shell=True)
except Exception:
raise
def check_idt(self):
try:
#Open Mux(0x73) for IDT(0x53)
retcode, _ = subprocess.getstatusoutput("i2cset -y 0 0x73 0x8")
if retcode != 0:
self.logger.error(
"Open I2C Mux channel (0x73) for IDT failed.")
return
#Check IDT
retcode, _ = subprocess.getstatusoutput("i2cget -y 0 0x53 0x0")
if retcode != 0:
self.logger.error(
"Access IDT(0x53) failed. Trying to reset IDT")
#Reset IDT
self.lpc.regSet(LPCDevType.CPLD_ON_MAIN_BOARD, 0x4D, 0xF7)
sleep(0.5)
#Access IDT again
retcode, _ = subprocess.getstatusoutput("i2cget -y 0 0x53 0x0")
if retcode != 0:
self.logger.error(
"Access IDT(0x53) failed and reset still failed")
else:
self.logger.error(
"Access IDT(0x53) failed and reset succeed")
#Close Mux(0x73)
retcode, _ = subprocess.getstatusoutput("i2cset -y 0 0x73 0x0")
if retcode != 0:
self.logger.error("Close I2C Mux channel (0x73) failed.")
except Exception:
raise
def _check_intr(self):
try:
alert_dis = self.intr_util.get_alert_dis()
if alert_dis == 0:
self.logger.warning(
"I2C Alert is already enabled. I2C tree performance may be affected."
)
except Exception:
raise
def _check_i2c_mux_ctrl(self):
try:
default_val = 0x80
reg_val = self.lpc.regGet(LPCDevType.CPLD_ON_MAIN_BOARD,
CPLDMBReg.REG_MUX_CTRL)
if reg_val != default_val:
self.logger.error(
"I2C Mux Ctrl [0x{:02X}] is not valid. Expected [0x{:02X}]"
.format(reg_val, default_val))
self.logger.error(self.BSP_INIT_STOP)
sys.exit()
else:
self.logger.info("[Check Mux Control Register] Pass")
except Exception as e:
self.logger.error(e)
raise
def _check_cpld(self):
#CPLD missing workaround :BEGIN
#open mux 0x75
retcode, _ = subprocess.getstatusoutput("i2cset -y 0 0x75 0x1")
if retcode != 0:
self.logger.error(
"Open I2C Mux channel 0x75 for CPLD WA failed, return code = {}, exit"
.format(retcode))
self.logger.error(self.BSP_INIT_STOP)
sys.exit()
#Read CPLD version
for i in range(len(self.cpld.CPLD_I2C_ADDR)):
retcode, _ = subprocess.getstatusoutput(
"i2cget -y 0 {} 0x2".format(self.cpld.CPLD_I2C_ADDR[i]))
if retcode != 0:
#log info for reading cpld version
self.logger.info("Reading CPLD{} 0x{:02X} failed".format(
i + 1, self.cpld.CPLD_I2C_ADDR[i]))
#Check CPLD version
for i in range(len(self.cpld.CPLD_I2C_ADDR)):
retcode, _ = subprocess.getstatusoutput(
"i2cget -y 0 {} 0x2".format(self.cpld.CPLD_I2C_ADDR[i]))
if retcode != 0:
#log error for checking cpld version
self.logger.error(
"Reading CPLD{} 0x{:02X} failed, return code = {}, exit".
format(i + 1, self.cpld.CPLD_I2C_ADDR[i], retcode))
self.logger.error(self.BSP_INIT_STOP)
sys.exit()
#close mux 0x75
retcode, _ = subprocess.getstatusoutput("i2cset -y 0 0x75 0x0")
if retcode != 0:
self.logger.error(
"Close I2C Mux channel for CPLD WA failed, return code = {}, exit"
.format(retcode))
self.logger.error(self.BSP_INIT_STOP)
sys.exit()
#CPLD missing workaround :END
self.logger.info("[Check CPLD] Pass")
def _check_pci(self):
err_cnt = 0
result = ""
err_list = ["rev ff"]
err_desc = ["under reset"]
cmd_lspci = "lspci"
cmd_lspci_s = "lspci -s {}"
#check lspci command
retcode, _ = subprocess.getstatusoutput(cmd_lspci)
if retcode != 0:
self.logger.warning(
"lspci commnad not found, skip checking pci devices")
return
#check pci devices
for pci_id in self.PCI_CHECK_LIST.keys():
pci_name = self.PCI_CHECK_LIST[pci_id]
retcode, output = subprocess.getstatusoutput(
cmd_lspci_s.format(pci_id))
#check device existence
if retcode != 0:
self.logger.error(
"Invalid PCI device {} ({}), retcode={}, output={}".format(
pci_name, pci_id, retcode, output))
err_cnt += 1
elif len(output) == 0:
self.logger.error("PCI device {} ({}) not found".format(
pci_name, pci_id))
if not self.IGNORE_ERR:
self.logger.error(self.BSP_INIT_STOP)
sys.exit()
else:
#check device error status
for i in range(len(err_list)):
if output.find(err_list[i]) >= 0:
self.logger.warning("PCI device {} ({}) {}".format(
pci_name, pci_id, err_desc[i]))
err_cnt += 1
if err_cnt == 0:
result = "Pass"
self.logger.info("[Check PCI] {}".format(result))
else:
result = "Fail"
self.logger.warning("[Check PCI] {}".format(result))
def _check_usb(self):
warn_cnt = 0
result = ""
cmd_lsusb = "lsusb"
cmd_lsusb_s = "lsusb -d {}"
#check lsusb command
retcode, _ = subprocess.getstatusoutput(cmd_lsusb)
if retcode != 0:
self.logger.warning(
"cmd_lsusb commnad not found, skip checking usb devices")
return
#check usb devices
for usb_id in self.USB_CHECK_LIST.keys():
usb_name = self.USB_CHECK_LIST[usb_id]
retcode, output = subprocess.getstatusoutput(
cmd_lsusb_s.format(usb_id))
#check device existence
if retcode != 0:
self.logger.warning("USB device {} ({}) not found".format(
usb_name, usb_id))
warn_cnt += 1
elif len(output) == 0:
self.logger.warning("USB device {} ({}) not found".format(
usb_name, usb_id))
warn_cnt += 1
else:
if output.find(usb_id) < 0:
self.logger.warning("USB device {} ({}) not found".format(
usb_name, usb_id))
warn_cnt += 1
if warn_cnt == 0:
result = "Pass"
self.logger.info("[Check USB] {}".format(result))
else:
result = "Warning"
self.logger.warning("[Check USB] {}".format(result))
return 0
def pre_init(self):
self._check_bsp_init()
# don't check ko for sonic platform
#self._check_ko()
self._check_intr()
retcode = self.i2c_mux.pre_init()
if retcode != 0:
self.logger.error(self.BSP_INIT_STOP)
sys.exit()
self._check_cpld()
self.check_idt()
self._check_pci()
self._check_usb()
def post_init(self):
try:
#set j2 rov
if self.rov_util.platform_check():
self.rov_util.set_j2_rov()
except Exception:
raise
def _load_i2c_drivers(self):
# I2C I801
self._load_kernel_module("i2c_i801")
# I2C Dev
self._load_kernel_module("i2c_dev")
def _load_kernel_module(self, module_name):
#replace "-" to "_" since lsmod show module name with "_"
module_name = module_name.replace("-", "_")
#check if module is already loaded
retcode, _ = subprocess.getstatusoutput(
"lsmod | grep {}".format(module_name))
#module is not loaded yet
if retcode != 0:
retcode, _ = subprocess.getstatusoutput(
"modprobe {}".format(module_name))
#load module failed
if retcode != 0:
self.logger.error(
"Load kernel module {} failed, retcode={}".format(
module_name, retcode))
if not self.IGNORE_ERR:
self.logger.error(self.BSP_INIT_STOP)
sys.exit()
def _unload_kernel_module(self, module_name):
#replace "-" to "_" since lsmod show module name with "_"
module_name = module_name.replace("-", "_")
#check if module is already loaded
retcode, _ = subprocess.getstatusoutput(
"lsmod | grep {}".format(module_name))
#module is loaded
if retcode == 0:
retcode, _ = subprocess.getstatusoutput(
"rmmod {}".format(module_name))
#unload module failed
if retcode != 0:
self.logger.error(
"Unload kernel module {} failed, retcode={}".format(
module_name, retcode))
class BrdIDUtility:
PATH_DIR = "/tmp/bsp/"
PATH_BOARD_ID = PATH_DIR + "board_id"
MASK_MODEL_ID = 0b01110000
MASK_HW_REV = 0b00001100
MASK_BUILD_REV = 0b00000011
MASK_BUILD_REV_EXT = 0b10000000
#EXT_BOARD_ID = 0b1110
BOARD_ID_MAP = {
0b000: "Reserved",
0b001: "Reserved",
0b010: "Apollo NCP1-1 40+13P",
0b011: "Reserved",
0b100: "Apollo NCP2-1 10+13P",
0b101: "Reserved",
0b110: "Reserved",
0b111: "Apollo NCF 48P",
}
#EXT_BOARD_ID_MAP = {}
HARDWARE_REV_MAP = {
0b00: "Proto",
0b01: "Alpha",
0b10: "Beta",
0b11: "PVT"
}
BUILD_REV_MAP = {
0b000: "A1",
0b001: "A2",
0b010: "A3",
0b011: "A4",
0b100: "A5",
0b101: "A6",
0b110: "A7",
0b111: "A8"
}
def __init__(self):
log = Logger(__name__)
self.logger = log.getLogger()
self.lpc = LPC()
# get bit shift from mask
def _get_shift(self, reg_mask):
mask_one = 1
for i in range(8):
if reg_mask & mask_one == 1:
return i
else:
reg_mask >>= 1
# not found
return -1
def get_board_id(self):
path_dir = self.PATH_DIR
path_board_id = self.PATH_BOARD_ID
try:
if os.path.exists(path_board_id):
#board_id file exists
with open(path_board_id, "r") as f:
# read content
content = f.read()
board_id = int(content.strip(), 0)
else:
#read board id from LPC
board_id = self.lpc.regGet(LPCDevType.CPLD_ON_MAIN_BOARD,
CPLDMBReg.REG_BRD_ID)
#create board_id parent directories
os.makedirs(os.path.dirname(path_dir), exist_ok=True)
#write to board_id file
if os.path.exists(path_dir):
with open(path_board_id, "w") as f:
f.write(str(board_id))
else:
self.logger.error(
"create board_id file failed: path={}".format(
path_board_id))
return -1
return board_id
except Exception as e:
self.logger.error(e)
raise
def get_model_id(self, board_id):
return (board_id & self.MASK_MODEL_ID) >> self._get_shift(
self.MASK_MODEL_ID)
def get_hw_rev(self, board_id):
return (board_id & self.MASK_HW_REV) >> self._get_shift(
self.MASK_HW_REV)
def get_build_rev(self, board_id):
#bit[7], bit[1], bit[0]
return ((board_id & self.MASK_BUILD_REV) >> self._get_shift(self.MASK_BUILD_REV)) | \
(((board_id & self.MASK_BUILD_REV_EXT) >> self._get_shift(self.MASK_BUILD_REV_EXT)) << 2)
def get_model_id_str(self, model_id):
if model_id in self.BOARD_ID_MAP.keys():
model_id_str = self.BOARD_ID_MAP[model_id]
else:
model_id_str = "unknown"
return model_id_str
def get_hw_rev_str(self, hw_rev):
if hw_rev in self.HARDWARE_REV_MAP.keys():
hw_rev_str = self.HARDWARE_REV_MAP[hw_rev]
else:
hw_rev_str = "unknown"
return hw_rev_str
def get_build_rev_str(self, build_rev):
if build_rev in self.BUILD_REV_MAP.keys():
build_rev_str = self.BUILD_REV_MAP[build_rev]
else:
build_rev_str = "unknown"
return build_rev_str
class INTRUtility:
def __init__(self):
log = Logger(__name__)
self.logger = log.getLogger()
self.ioexp = IOExpander()
self.cpld = CPLD()
self.lpc = LPC()
self.ioexp = IOExpander()
#GPIO REGs
self.ALERT_GPIO_REG = 0x1
#I2C Alert REGs
self.ALERT_STATUS_REG = 0x0
self.ALERT_DIS_REG = 0x11
def init_i2c_alert(self):
i2c_detect_cmd = "i2cdetect -y 0"
#i2cdetect -y 0
retcode, _ = subprocess.getstatusoutput(i2c_detect_cmd)
if retcode != 0:
self.logger.error("i2c command error: {}".format(i2c_detect_cmd))
#Set pin function to alert mode on CPU
#./ioset 0x501 0xf7
#IO_x500[11] SMBALERT_N_GPIO11
#0/Alert mode,1/GPIO mode
#Default is 0
regVal = self.lpc.regGet(LPCDevType.BDE_GPIO_ON_CPU_BOARD,
self.ALERT_GPIO_REG)
self.lpc.regSet(LPCDevType.BDE_GPIO_ON_CPU_BOARD, self.ALERT_GPIO_REG,
regVal & 0xF7)
#Enable alert function on CPU
#./ioset 0xf011 0x0
#IO_xF011[2] SMBALERT_DIS
#0/Enable Alert, 1/Disable alert
#Default is 1
regVal = self.lpc.regGet(LPCDevType.CPU_I2C_ALERT, self.ALERT_DIS_REG)
self.lpc.regSet(LPCDevType.CPU_I2C_ALERT, self.ALERT_DIS_REG,
regVal & 0xFB)
def deinit_i2c_alert(self):
regVal = self.lpc.regGet(LPCDevType.CPU_I2C_ALERT, self.ALERT_DIS_REG)
self.lpc.regSet(LPCDevType.CPU_I2C_ALERT, self.ALERT_DIS_REG,
regVal | 0x04)
def get_alert_gpio(self):
regVal = self.lpc.regGet(LPCDevType.BDE_GPIO_ON_CPU_BOARD,
self.ALERT_GPIO_REG)
return (regVal >> 3) & 1
def get_alert_dis(self):
regVal = self.lpc.regGet(LPCDevType.CPU_I2C_ALERT, self.ALERT_DIS_REG)
return (regVal >> 2) & 1
def get_alert_sts(self):
regVal = self.lpc.regGet(LPCDevType.CPU_I2C_ALERT,
self.ALERT_STATUS_REG)
return (regVal >> 5) & 1
def clear_i2c_alert(self):
intr_reg = "9539_HOST_GPIO_I2C"
cpu_gpio_reg = "9539_CPU_I2C"
#clear alert on ioexpander
#i2cdump -y 0 0x74
reg_vals = self.ioexp.dump_reg(intr_reg)
self.logger.info("clear_i2c_alert() intr_reg_vals={}".format(reg_vals))
#i2cdump -y 0 0x77
reg_vals = self.ioexp.dump_reg(cpu_gpio_reg)
self.logger.info(
"clear_i2c_alert() cpu_gpio_reg_vals={}".format(reg_vals))
#clear i2c alert status on CPU
#./ioset 0xf000 0x60
self.lpc.regSet(LPCDevType.CPU_I2C_ALERT, self.ALERT_STATUS_REG, 0x60)
def get_cpld_to_cpu_intr(self):
cpld_intr_name = [
"op2", "cpld_1_2", "cpld_3", "cpld_4", "cpld_5", "j2"
]
cpld_intr = {}
try:
cpld_intr_val = self.ioexp.get_cpld_to_cpu_intr()
for i in range(len(cpld_intr_val)):
cpld_intr[cpld_intr_name[i]] = cpld_intr_val[i]
return cpld_intr
except Exception as e:
self.logger.error(
"get_cpld_to_cpu_intr failed, error: {}".format(e))
def get_all_cpld_intr(self):
cpld_name = "cpld_"
all_cpld_intr = {}
try:
for i in range(CPLDConst.CPLD_MAX):
cpld_intr = self.get_cpld_intr(i)
all_cpld_intr[cpld_name + str(i + 1)] = cpld_intr
return all_cpld_intr
except Exception as e:
self.logger.error("get_cpld_intr failed, error: {}".format(e))
def get_cpld_intr(self, cpld_num):
cpld_intr_name = [
"port_intr", "gearbox", "usb", "port_presence", "psu0", "psu1",
"pex8724", "cs4227", "retimer"
]
cpld_intr = {}
try:
intr_reg = self.cpld.get_intr_reg(cpld_num, 0)
if cpld_num == CPLDConst.CPLD_1:
intr_reg_2 = self.cpld.get_intr_reg(cpld_num, 1)
for i in range(8):
cpld_intr[cpld_intr_name[i]] = intr_reg >> i & 0b1
cpld_intr[cpld_intr_name[8]] = intr_reg_2 & 0b1
else:
cpld_intr[cpld_intr_name[0]] = intr_reg >> 0 & 0b1
cpld_intr[cpld_intr_name[3]] = intr_reg >> 3 & 0b1
return cpld_intr
except Exception as e:
self.logger.error("get_cpld_intr failed, error: {}".format(e))
def clear_all_intr(self):
try:
for i in range(CPLDConst.CPLD_MAX):
self.get_cpld_intr(i)
self.clear_i2c_alert()
except Exception as e:
self.logger.error("clear_all_intr failed, error: {}".format(e))
def get_gbox_intr(self):
gbox_name = "gearbox"
gbox_intr = {}
gbox_max_1 = 8
gbox_max_2 = 2
try:
reg1, reg2 = self.cpld.gbox_get_intr()
for i in range(gbox_max_1):
gbox_intr[gbox_name + "_" + str(i)] = reg1 >> i & 0b1
for i in range(gbox_max_2):
gbox_intr[gbox_name + "_" +
str(gbox_max_1 + i)] = reg2 >> i & 0b1
return gbox_intr
except Exception as e:
self.logger.error("get_gbox_intr failed, error: {}".format(e))
def get_retimer_intr(self):
retimer_name = "retimer"
retimer_intr = {}
retimer_max = 5
try:
reg = self.cpld.retimer_get_intr()
for i in range(retimer_max):
retimer_intr[retimer_name + "_" + str(i)] = reg >> i & 0b1
return retimer_intr
except Exception as e:
self.logger.error("get_retimer_intr failed, error: {}".format(e))