diff options
Diffstat (limited to 'mpm/python/usrp_mpm')
| -rw-r--r-- | mpm/python/usrp_mpm/periph_manager/n310.py | 115 |
1 files changed, 78 insertions, 37 deletions
diff --git a/mpm/python/usrp_mpm/periph_manager/n310.py b/mpm/python/usrp_mpm/periph_manager/n310.py index f855f2f3f..c6ae10241 100644 --- a/mpm/python/usrp_mpm/periph_manager/n310.py +++ b/mpm/python/usrp_mpm/periph_manager/n310.py @@ -32,7 +32,6 @@ from ..sysfs_gpio import SysFSGPIO from ..ethtable import EthDispatcherTable from .. import libpyusrp_periphs as lib - N3XX_DEFAULT_EXT_CLOCK_FREQ = 10e6 N3XX_DEFAULT_CLOCK_SOURCE = 'external' N3XX_DEFAULT_TIME_SOURCE = 'internal' @@ -42,38 +41,74 @@ N3XX_DEFAULT_ENABLE_FPGPIO = True 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 = ( - 'PWREN-CLK-MGT156MHz', - 'PWREN-CLK-WB-CDCM', - 'WB-CDCM-RESETn', - 'WB-CDCM-PR0', - 'WB-CDCM-PR1', - 'WB-CDCM-OD0', - 'WB-CDCM-OD1', - 'WB-CDCM-OD2', - 'PWREN-CLK-MAINREF', - 'CLK-MAINREF-SEL1', - 'CLK-MAINREF-SEL0', - '12', - '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', - ) - - def __init__(self): + 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 - self._gpios = SysFSGPIO('tca6424', 0xFFE7FF, 0x86E7FF, 0x860001) + # 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): """ @@ -95,6 +130,7 @@ class TCA6424(object): assert name in self.pins return self._gpios.get(self.pins.index(name)) + class FP_GPIO(object): """ Abstraction layer for the front panel GPIO @@ -191,7 +227,8 @@ class n310(PeriphManagerBase): super(n310, self).__init__(args) # Init peripherals self.log.trace("Initializing TCA6424 port expander controls...") - self._gpios = TCA6424() + self._gpios = TCA6424(int(self.mboard_info['rev'])) + self.log.trace("Enabling power of MGT156MHZ clk") self._gpios.set("PWREN-CLK-MGT156MHz") self.enable_gps( enable=bool( @@ -353,14 +390,18 @@ class n310(PeriphManagerBase): assert clock_source in self.get_clock_sources() self.log.trace("Setting clock source to `{}'".format(clock_source)) if clock_source == 'internal': - self._gpios.set("CLK-MAINREF-SEL0") - self._gpios.set("CLK-MAINREF-SEL1") + self._gpios.set("CLK-MAINSEL-EX_B") + self._gpios.set("CLK-MAINSEL-25MHz") + self._gpios.reset("CLK-MAINSEL-GPS") elif clock_source == 'gpsdo': - self._gpios.set("CLK-MAINREF-SEL0") - self._gpios.reset("CLK-MAINREF-SEL1") + self._gpios.set("CLK-MAINSEL-EX_B") + self._gpios.reset("CLK-MAINSEL-25MHz") + self._gpios.set("CLK-MAINSEL-GPS") else: # external - self._gpios.reset("CLK-MAINREF-SEL0") - self._gpios.reset("CLK-MAINREF-SEL1") + self._gpios.reset("CLK-MAINSEL-EX_B") + self._gpios.reset("CLK-MAINSEL-GPS") + # SKY13350 needs to be in known state + self._gpios.set("CLK-MAINSEL-25MHz") self._clock_source = clock_source ref_clk_freq = self.get_ref_clock_freq() self.log.info("Reference clock frequency is: {} MHz".format( |