From 5c991d82f718c2f51c2f4b2cb183aeb3c910de3e Mon Sep 17 00:00:00 2001 From: Alex Williams Date: Mon, 15 Oct 2018 12:16:16 -0700 Subject: mpm: Add basic driver for QSFP board's retimer --- mpm/python/usrp_mpm/periph_manager/n3xx.py | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'mpm/python/usrp_mpm/periph_manager/n3xx.py') diff --git a/mpm/python/usrp_mpm/periph_manager/n3xx.py b/mpm/python/usrp_mpm/periph_manager/n3xx.py index 79dddd898..b741fc03f 100644 --- a/mpm/python/usrp_mpm/periph_manager/n3xx.py +++ b/mpm/python/usrp_mpm/periph_manager/n3xx.py @@ -21,11 +21,13 @@ from usrp_mpm.mpmtypes import SID from usrp_mpm.mpmutils import assert_compat_number, str2bool, poll_with_timeout from usrp_mpm.rpc_server import no_rpc from usrp_mpm.sys_utils import dtoverlay +from usrp_mpm.sys_utils import i2c_dev from usrp_mpm.sys_utils.sysfs_thermal import read_thermal_sensor_value from usrp_mpm.xports import XportMgrUDP, XportMgrLiberio from usrp_mpm.periph_manager.n3xx_periphs import TCA6424 from usrp_mpm.periph_manager.n3xx_periphs import BackpanelGPIO from usrp_mpm.periph_manager.n3xx_periphs import MboardRegsControl +from usrp_mpm.periph_manager.n3xx_periphs import RetimerQSFP from usrp_mpm.dboard_manager.magnesium import Magnesium from usrp_mpm.dboard_manager.eiscat import EISCAT from usrp_mpm.dboard_manager.rhodium import Rhodium @@ -36,6 +38,9 @@ N3XX_DEFAULT_TIME_SOURCE = 'internal' N3XX_DEFAULT_ENABLE_GPS = True N3XX_DEFAULT_ENABLE_FPGPIO = True N3XX_DEFAULT_ENABLE_PPS_EXPORT = True +N32X_DEFAULT_QSFP_RATE_PRESET = 'Ethernet' +N32X_DEFAULT_QSFP_DRIVER_PRESET = 'Optical' +N32X_QSFP_I2C_LABEL = 'qsfp-i2c' N3XX_FPGA_COMPAT = (5, 3) N3XX_MONITOR_THREAD_INTERVAL = 1.0 # seconds @@ -342,6 +347,18 @@ class n3xx(ZynqComponents, PeriphManagerBase): self._init_meas_clock() # Init GPSd iface and GPS sensors self._init_gps_sensors() + # Init QSFP board (if available) + qsfp_i2c = i2c_dev.of_get_i2c_adapter(N32X_QSFP_I2C_LABEL) + if qsfp_i2c: + self.log.debug("Creating QSFP Retimer control object...") + self._qsfp_retimer = RetimerQSFP(qsfp_i2c) + self._qsfp_retimer.set_rate_preset(N32X_DEFAULT_QSFP_RATE_PRESET) + self._qsfp_retimer.set_driver_preset(N32X_DEFAULT_QSFP_DRIVER_PRESET) + elif self.device_info['product'] == 'n320': + # If we have an N320, we should also have the QSFP board, but we + # won't freak out if we can't find it. Maybe someone removed or + # disabled it. + self.log.warning("No QSFP board detected!") # Init CHDR transports self._xport_mgrs = { 'udp': N3xxXportMgrUDP(self.log.getChild('UDP')), -- cgit v1.2.3