class TCA6408(object):
"""
Abstraction layer for the port/gpio expander
"""
pins = (
'PWR-GOOD-3.6V', #3.6V
'PWR-GOOD-1.1V', #1.1V
'PWR-GOOD-2.0V', #2.0V
'PWR-GOOD-5.4V', #5.4V
'PWR-GOOD-5.5V', #6.8V
)
def __init__(self, i2c_dev):
assert i2c_dev is not None
self._gpios = SysFSGPIO({'label': 'tca6408'}, 0x3F, 0x00, 0x00, i2c_dev)
def set(self, name, value=None):
"""
Assert a pin by name
"""
assert name in self.pins
self._gpios.set(self.pins.index(name), value=value)
def reset(self, name):
"""
Deassert a pin by name
"""
self.set(name, value=0)
def get(self, name):
"""
Read back a pin by name
"""
assert name in self.pins
return self._gpios.get(self.pins.index(name))
class TCA6408(object):
"""
Abstraction layer for the port/gpio expander
"""
pins = (
'PWR-GOOD-3.6V', #3.6V
'PWR-EN-3.6V', #3.6V
'PWR-GOOD-1.5V', #1.5V
'PWR-EN-1.5V', #1.5V
'PWR-GOOD-5.5V', #5.5V
'PWR-EN-5.5V', #5.5V
'6',
'LED',
)
def __init__(self, i2c_dev):
if i2c_dev is None:
raise RuntimeError("Need to specify i2c device to use the TCA6408")
self._gpios = SysFSGPIO({'device/name': 'tca6408'}, 0xBF, 0xAA, 0xAA,
i2c_dev)
def set(self, name, value=None):
"""
Assert a pin by name
"""
assert name in self.pins
self._gpios.set(self.pins.index(name), value=value)
def reset(self, name):
"""
Deassert a pin by name
"""
self.set(name, value=0)
def get(self, name):
"""
Read back a pin by name
"""
assert name in self.pins
return self._gpios.get(self.pins.index(name))
class TCA6408(object):
"""
Abstraction layer for the port/gpio expander
"""
pins = (
'PWR-GOOD-3.6V', #3.6V
'PWR-EN-3.6V', #3.6V
'PWR-GOOD-1.5V', #1.5V
'PWR-EN-1.5V', #1.5V
'PWR-GOOD-5.5V', #5.5V
'PWR-EN-5.5V', #5.5V
'6',
'LED',
)
def __init__(self, i2c_dev):
if i2c_dev is None:
raise RuntimeError("Need to specify i2c device to use the TCA6408")
self._gpios = SysFSGPIO({'label': 'tca6408'}, 0xBF, 0xAA, 0xAA, i2c_dev)
def set(self, name, value=None):
"""
Assert a pin by name
"""
assert name in self.pins
self._gpios.set(self.pins.index(name), value=value)
def reset(self, name):
"""
Deassert a pin by name
"""
self.set(name, value=0)
def get(self, name):
"""
Read back a pin by name
"""
assert name in self.pins
return self._gpios.get(self.pins.index(name))
class TCA6424(object):
"""
Abstraction layer for the port/gpio expander
pins_list is an array of different version of TCA6424 pins map.
First element of this array corresponding to revC, second is revD etc...
"""
pins_list = [
(
'PWREN-CLK-MGT156MHz',
'NETCLK-CE', #revC name: 'PWREN-CLK-WB-CDCM',
'NETCLK-RESETn', #revC name: 'WB-CDCM-RESETn',
'NETCLK-PR0', #revC name: 'WB-CDCM-PR0',
'NETCLK-PR1', #revC name: 'WB-CDCM-PR1',
'NETCLK-OD0', #revC name: 'WB-CDCM-OD0',
'NETCLK-OD1', #revC name: 'WB-CDCM-OD1',
'NETCLK-OD2', #revC name: 'WB-CDCM-OD2',
'PWREN-CLK-MAINREF',
'CLK-MAINSEL-25MHz', #revC name: 'CLK-MAINREF-SEL1',
'CLK-MAINSEL-EX_B', #revC name: 'CLK-MAINREF-SEL0',
'12',
'CLK-MAINSEL-GPS', #revC name: '13',
'FPGA-GPIO-EN',
'PWREN-CLK-WB-20MHz',
'PWREN-CLK-WB-25MHz',
'GPS-PHASELOCK',
'GPS-nINITSURV',
'GPS-nRESET',
'GPS-WARMUP',
'GPS-SURVEY',
'GPS-LOCKOK',
'GPS-ALARM',
'PWREN-GPS',
),
(
'NETCLK-PR1',
'NETCLK-PR0',
'NETCLK-CE',
'NETCLK-RESETn',
'NETCLK-OD2',
'NETCLK-OD1',
'NETCLK-OD0',
'PWREN-CLK-MGT156MHz',
'PWREN-CLK-MAINREF',
'CLK-MAINSEL-25MHz',
'CLK-MAINSEL-EX_B',
'12',
'CLK-MAINSEL-GPS',
'FPGA-GPIO-EN',
'PWREN-CLK-WB-20MHz',
'PWREN-CLK-WB-25MHz',
'GPS-PHASELOCK',
'GPS-nINITSURV',
'GPS-nRESET',
'GPS-WARMUP',
'GPS-SURVEY',
'GPS-LOCKOK',
'GPS-ALARM',
'PWREN-GPS',
)
]
def __init__(self, rev):
# Default state: Turn on GPS power, take GPS out of reset or
# init-survey, turn on 156.25 MHz clock
# min Support from revC or rev = 2
if rev == 2:
self.pins = self.pins_list[0]
else:
self.pins = self.pins_list[1]
default_val = 0x860101 if rev == 2 else 0x860780
self._gpios = SysFSGPIO('tca6424', 0xFFF7FF, 0x86F7FF, default_val)
def set(self, name, value=None):
"""
Assert a pin by name
"""
assert name in self.pins
self._gpios.set(self.pins.index(name), value=value)
def reset(self, name):
"""
Deassert a pin by name
"""
self.set(name, value=0)
def get(self, name):
"""
Read back a pin by name
"""
assert name in self.pins
return self._gpios.get(self.pins.index(name))
class FPGAtoLoDist(object):
"""
Abstraction layer for the port/gpio expander on the LO Distribution board
"""
EXPECTED_BOARD_REV = 0
POWER_ON_TIMEOUT = 20 #ms
POWER_ON_POLL_INTERVAL = 1 #ms
pins = (
'BD_REV_0', #Board revision bit 0
'BD_REV_1', #Board revision bit 1
'BD_REV_2', #Board revision bit 2
'P6_8V_PG', #6.8V Power good
'4', #No connect
'5', #No connect
'6', #No connect
'7', #No connect
'RX_OUT0_CTRL', #RX Out0 Port Termination Switch
'RX_OUT1_CTRL', #RX Out1 Port Termination Switch
'RX_OUT2_CTRL', #RX Out2 Port Termination Switch
'RX_OUT3_CTRL', #RX Out3 Port Termination Switch
'RX_INSWITCH_CTRL', #RX 1:4 splitter input select
'TX_OUT0_CTRL', #TX Out0 Port Termination Switch
'TX_OUT1_CTRL', #TX Out1 Port Termination Switch
'TX_OUT2_CTRL', #TX Out2 Port Termination Switch
'TX_OUT3_CTRL', #TX Out3 Port Termination Switch
'TX_INSWITCH_CTRL', #TX 1:4 splitter input select
'P6_8V_EN', #6.8V supply enable
'P6_5V_LDO_EN', #6.5V LDO enable
'P3_3V_RF_EN' #3.3V LDO for RF enable
)
def __init__(self, i2c_dev):
assert i2c_dev is not None
self._gpios = SysFSGPIO({'label': 'tca6424', 'device/of_node/name': 'rhodium-lodist-gpio'}, 0x1FFF0F, 0x1FFF00, 0x00A500, i2c_dev)
board_rev = self._gpios.get(self.pins.index('BD_REV_0')) + \
self._gpios.get(self.pins.index('BD_REV_1')) << 1 + \
self._gpios.get(self.pins.index('BD_REV_2')) << 2
if board_rev != self.EXPECTED_BOARD_REV:
raise RuntimeError('LO distribution board revision did not match: Expected: {0} Actual: {1}'.format(self.EXPECTED_BOARD_REV, board_rev))
self._gpios.set(self.pins.index('P6_8V_EN'), 1)
if not poll_with_timeout(
lambda: bool(self._gpios.get(self.pins.index('P6_8V_PG'))),
self.POWER_ON_TIMEOUT,
self.POWER_ON_POLL_INTERVAL):
self._gpios.set(self.pins.index('P6_8V_EN'), 0)
raise RuntimeError('Power on failure for LO Distribution board')
self._gpios.set(self.pins.index('P6_5V_LDO_EN'), 1)
self._gpios.set(self.pins.index('P3_3V_RF_EN'), 1)
def set(self, name, value=None):
"""
Assert a pin by name
"""
assert name in self.pins
self._gpios.set(self.pins.index(name), value=value)
def reset(self, name):
"""
Deassert a pin by name
"""
assert name in self.pins
self.set(name, value=0)
def get(self, name):
"""
Read back a pin by name
"""
assert name in self.pins
return self._gpios.get(self.pins.index(name))
class TCA6424(object):
"""
Abstraction layer for the port/gpio expander
pins_list is an array of different version of TCA6424 pins map.
First element of this array corresponding to revC, second is revD etc...
"""
pins_list = [
(
'PWREN-CLK-MGT156MHz',
'NETCLK-CE', #revC name: 'PWREN-CLK-WB-CDCM',
'NETCLK-RESETn', #revC name: 'WB-CDCM-RESETn',
'NETCLK-PR0', #revC name: 'WB-CDCM-PR0',
'NETCLK-PR1', #revC name: 'WB-CDCM-PR1',
'NETCLK-OD0', #revC name: 'WB-CDCM-OD0',
'NETCLK-OD1', #revC name: 'WB-CDCM-OD1',
'NETCLK-OD2', #revC name: 'WB-CDCM-OD2',
'PWREN-CLK-MAINREF',
'CLK-MAINSEL-25MHz', #revC name: 'CLK-MAINREF-SEL1',
'CLK-MAINSEL-EX_B', #revC name: 'CLK-MAINREF-SEL0',
'12',
'CLK-MAINSEL-GPS', #revC name: '13',
'FPGA-GPIO-EN',
'PWREN-CLK-WB-20MHz',
'PWREN-CLK-WB-25MHz',
'GPS-PHASELOCK',
'GPS-nINITSURV',
'GPS-nRESET',
'GPS-WARMUP',
'GPS-SURVEY',
'GPS-LOCKOK',
'GPS-ALARM',
'PWREN-GPS',
),
(
'NETCLK-PR1',
'NETCLK-PR0',
'NETCLK-CE',
'NETCLK-RESETn',
'NETCLK-OD2',
'NETCLK-OD1',
'NETCLK-OD0',
'PWREN-CLK-MGT156MHz',
'PWREN-CLK-MAINREF',
'CLK-MAINSEL-25MHz',
'CLK-MAINSEL-EX_B',
'12',
'CLK-MAINSEL-GPS',
'FPGA-GPIO-EN',
'PWREN-CLK-WB-20MHz',
'PWREN-CLK-WB-25MHz',
'GPS-PHASELOCK',
'GPS-nINITSURV',
'GPS-nRESET',
'GPS-WARMUP',
'GPS-SURVEY',
'GPS-LOCKOK',
'GPS-ALARM',
'PWREN-GPS',
)]
def __init__(self, rev):
# Default state: Turn on GPS power, take GPS out of reset or
# init-survey, turn on 156.25 MHz clock
# min Support from revC or rev = 2
if rev == 2:
self.pins = self.pins_list[0]
else:
self.pins = self.pins_list[1]
default_val = 0x860101 if rev == 2 else 0x860780
self._gpios = SysFSGPIO({'label': 'tca6424', 'device/of_node/name': 'gpio'}, 0xFFF7FF, 0x86F7FF, default_val)
def set(self, name, value=None):
"""
Assert a pin by name
"""
assert name in self.pins
self._gpios.set(self.pins.index(name), value=value)
def reset(self, name):
"""
Deassert a pin by name
"""
self.set(name, value=0)
def get(self, name):
"""
Read back a pin by name
"""
assert name in self.pins
return self._gpios.get(self.pins.index(name))