diff options
Diffstat (limited to 'mpm/python/n3xx_bist')
| -rwxr-xr-x | mpm/python/n3xx_bist | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/mpm/python/n3xx_bist b/mpm/python/n3xx_bist index 62f09a9b2..872eb490e 100755 --- a/mpm/python/n3xx_bist +++ b/mpm/python/n3xx_bist @@ -164,6 +164,9 @@ def filter_results_for_lv(results): 'cooling_device0': -1, 'cooling_device1': -1, }, + 'whiterabbit': { + 'lock_status': 0, + }, } # OK now go and brush up the results: def fixup_dict(result_dict, ref_dict): @@ -772,6 +775,36 @@ class N3XXBIST(object): } return len(result) == 2, result + def bist_whiterabbit(self): + """ + BIST for White Rabbit. + Description: Checks if the WR core can lock. + + External Equipment: A WR source needs to be connected to SFP0. + """ + assert 'whiterabbit' in self.tests_to_run + if self.args.dry_run: + return True, {'lock': True} + load_fpga_image('WX') + self.reload_fpga_image = True + from usrp_mpm.cores import WhiteRabbitRegsControl + from usrp_mpm.periph_manager.n3xx import n3xx + from usrp_mpm.periph_manager import n3xx_periphs + mb_regs = n3xx_periphs.MboardRegsControl( + n3xx.mboard_regs_label, self.log) + mb_regs.set_time_source('sfp0', 25e6) + wr_regs_control = WhiteRabbitRegsControl( + n3xx.wr_regs_label, self.log) + lock_status = poll_with_timeout( + lambda: wr_regs_control.get_time_lock_status(), + 40000, # Try for x ms... this number is set from a few benchtop tests + 1000, # Poll every... second! why not? + ) + result = { + 'lock_status': int(lock_status), + } + return lock_status, result + def gpio_set_all(gpio_bank, value, gpio_size, ddr_mask): """Helper function for set gpio. |