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x393_mcntrl_adjust.py
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x393_mcntrl_adjust.py
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from __future__ import print_function
'''
# Copyright (C) 2015, Elphel.inc.
# Class to measure and adjust I/O delays
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http:#www.gnu.org/licenses/>.
@author: Andrey Filippov
@copyright: 2015 Elphel, Inc.
@license: GPLv3.0+
@contact: andrey@elphel.coml
@deffield updated: Updated
'''
__author__ = "Andrey Filippov"
__copyright__ = "Copyright 2015, Elphel, Inc."
__license__ = "GPL"
__version__ = "3.0+"
__maintainer__ = "Andrey Filippov"
__email__ = "andrey@elphel.com"
__status__ = "Development"
import sys
import pickle
#import x393_mem
#x393_pio_sequences
#from import_verilog_parameters import VerilogParameters
from x393_mem import X393Mem
#from x393_axi_control_status import X393AxiControlStatus
import x393_axi_control_status
from x393_pio_sequences import X393PIOSequences
from x393_mcntrl_timing import X393McntrlTiming
from x393_mcntrl_buffers import X393McntrlBuffers
from verilog_utils import split_delay,combine_delay,NUM_FINE_STEPS, convert_w32_to_mem16,convert_mem16_to_w32
#from x393_utils import X393Utils
import x393_utils
import get_test_dq_dqs_data # temporary to test processing
import x393_lma
import time
import vrlg
#NUM_FINE_STEPS= 5
NUM_DLY_STEPS =NUM_FINE_STEPS * 32 # =160
DQI_KEY='dqi'
DQO_KEY='dqo'
DQSI_KEY='dqsi'
DQSO_KEY='dqso'
CMDA_KEY='cmda'
ODD_KEY='odd'
SIG_LIST=[CMDA_KEY,DQSI_KEY,DQI_KEY,DQSO_KEY,DQO_KEY]
DFLT_DLY_FILT=['Best','Early'] # default non-None filter setting to select a single "best" delay/delay set
class X393McntrlAdjust(object):
DRY_MODE= True # True
DEBUG_MODE=1
x393_mem=None
x393_axi_tasks=None #x393X393AxiControlStatus
x393_pio_sequences=None
x393_mcntrl_timing=None
x393_mcntrl_buffers=None
x393_utils=None
verbose=1
wlev_all_bits = False # write leveling reported on allDQ lines
adjustment_state={}
def __init__(self, debug_mode=1,dry_mode=True, saveFileName=None):
self.DEBUG_MODE= debug_mode
self.DRY_MODE= dry_mode
self.x393_mem= X393Mem(debug_mode,dry_mode)
# self.x393_axi_tasks= X393AxiControlStatus(debug_mode,dry_mode)
self.x393_axi_tasks= x393_axi_control_status.X393AxiControlStatus(debug_mode,dry_mode)
self.x393_pio_sequences= X393PIOSequences(debug_mode,dry_mode)
self.x393_mcntrl_timing= X393McntrlTiming(debug_mode,dry_mode)
self.x393_mcntrl_buffers= X393McntrlBuffers(debug_mode,dry_mode)
# print("x393_utils.SAVE_FILE_NAME=",x393_utils.SAVE_FILE_NAME)
self.x393_utils= x393_utils.X393Utils(debug_mode,dry_mode, saveFileName) # should not overwrite save file path
# self.__dict__.update(VerilogParameters.__dict__["_VerilogParameters__shared_state"]) # Add verilog parameters to the class namespace
try:
self.verbose=vrlg.VERBOSE
except:
pass
#keep as command
def format_dq_to_verilog(self,
estr):
"""
Convert dq delays list to the form to paste to the Verilog parameters code
<estr> quoted string, such as:
"[['0xd9', '0xdb', '0xdc', '0xd4', '0xe0', '0xda', '0xd4', '0xd8'], ['0xdc', '0xe0', '0xf1', '0xdc', '0xe0', '0xdc', '0xdc', '0xdc']]"
Returns a pair of strings to paste
"""
se=eval(estr) # now a list of list of strings
for l in se:
for i,v in enumerate(l):
l[i]=int(v,16)
for lane in range(2):
print("lane%d = 64'h"%lane,end="")
for i in range(len(se[lane])):
print("%02x"%se[lane][-i-1],end="")
print()
def missing_dqs_notused(self,
rd_blk,
quiet=False):
"""
Suspect missing final DQS puls(es) during write if last written burst matches previous one
<rd_blk> - block of 32-bit data read from DDR3 device
<quiet> - no output
Returns True if missing DQS pulse is suspected
"""
if (not rd_blk) or (len(rd_blk) <8 ):
return False
for i in range(-4,0):
if rd_blk[i] != rd_blk[i-4]:
break
else:
if not quiet:
print ("End of the block repeats 2 last 8-bursts, insufficient number of trailing DQS pulses is suspected:")
print("\n%03x:"%(len(rd_blk)-8),end=" ")
for i in range(len(rd_blk)-8,len(rd_blk)):
print("%08x"%rd_blk[i],end=" ")
print("\n")
return True
return False
def _get_dqs_dly_err(self,
phase,
delays,
errors):
'''
extract dqsi/dqso data for a single phase as a dictionary with keys - signed integer period branches,
values - list of 2 lane delays
Returns either this dictionary or a tuple of this one and corresponding worst errors. Or None!
'''
periods=None # needed just for PyDev?
for linedata in delays:
try:
periods &= set(linedata[phase].keys())
except:
try:
periods = set(linedata[phase].keys())
except:
pass
if not periods:
return None # no branch has all lines
phaseData={}
#Errors may be common for the whole 8-bit lane
if not errors is None:
phaseErrs={}
if len(delays)==8*len(errors):
errors=[errors[i//8] for i in range(len(delays))]
for branch in periods:
phaseData[branch]=[]
if not errors is None:
phaseErrs[branch]=0.0
for lineData,lineErr in zip(delays,errors):
try:
phaseData[branch].append(lineData[phase][branch])
except:
phaseData[branch].append(None)
try:
phaseErrs[branch]=max(phaseErrs[branch],abs(lineErr[phase][branch]))
except:
pass
else:
for lineData in delays:
phaseData[branch].append(lineData[phase][branch])
if errors is None:
return phaseData
else:
return (phaseData,phaseErrs)
'''
def combine_dq_dqs(self,
outMode=None,
quiet=1):
"""
@param outmode False - dqi/dqsi, True - dgo/dqso, None - both
"""
if outMode is None:
self.combine_dq_dqs(False)
self.combine_dq_dqs(True)
elif outMode:
delays, errors= self._combine_dq_dqs(dqs_data=self.adjustment_state['dqso_phase_multi'],
dq_enl_data=self.adjustment_state["dqo_dqso"],
dq_enl_err = self.adjustment_state["maxErrDqso"],
quiet=quiet)
self.adjustment_state['dqo_phase_multi'] = delays
self.adjustment_state["dqo_phase_err"] = errors
elif outMode:
delays, errors= self._combine_dq_dqs(dqs_data=self.adjustment_state['dqsi_phase_multi'],
dq_enl_data=self.adjustment_state["dqi_dqsi"],
dq_enl_err = self.adjustment_state["maxErrDqsi"],
quiet=quiet)
self.adjustment_state['dqi_phase_multi'] = delays
self.adjustment_state["dqi_phase_err"] = errors
else:
self.combine_dq_dqs(False)
self.combine_dq_dqs(True)
'''
def _combine_dq_dqs(self,
dqs_data,
dq_enl_data,
dq_enl_err,
# target="dqsi",
quiet=1):
"""
Create possibly overlapping branches of delay/error data vs phase for dqi or dqo
@param dqs_data self.adjustment_state['dqs?_phase_multi'] (dqs errors are not used here)
@param dq_enl_data self.adjustment_state["dq?_dqs?"] delay[ENL-branch][dqs_dly][bit] ('None' may be at any level)
@param dq_enl_err self.adjustment_state["maxErrDqs?"] errorPS[ENL-branch][dqs_dly][bit] ('None' may be at any level)
# @param target - one of "dqsi" or "dqso"
@param quiet reduce output
@return dqi/dqo object compatible with the input of get_delays_for_phase():
(data[line][phase]{(p_dqs,p_dq):delay, ...}, err[lane][phase]{(p_dqs,p_dq):delay, ...}
Errors are per-lane, not per line!
"""
#
# if quiet <2:
# print("dq_enl_data=",dq_enl_data)
# print("\ndqs_data=",dqs_data)
# print("\ndqs_data[0]=",dqs_data[0])
# print("\nlen(dqs_data[0])=",len(dqs_data[0]))
enl_dict={'early':-1,'nominal':0,'late':1}
# for enl_branch in
numPhaseSteps= len(dqs_data[0])
for v in dq_enl_data.values():
try: # branch data
for p in v: # phase data
try:
numLines=len(p)
break
except:
pass
break
except:
pass
# numLanes=numLines//8
# for enl_branch in dq_enl_data:
if quiet <2:
# print ("numLines=",numLines," numLanes=",numLanes," numPhaseSteps=",numPhaseSteps)
print ("numLines=",numLines," numPhaseSteps=",numPhaseSteps)
data=[[] for _ in range(numLines)] # each element is a new instance of a list
errs=[[] for _ in range(numLines//8)] # each element is a new instance of a list
for phase in range(numPhaseSteps):
line_data=[{} for _ in range(numLines)] # each element is a new instance of a dict
line_errs=[{} for _ in range(numLines//8)] # each element is a new instance of a dict
phaseData=self._get_dqs_dly_err(phase,
dqs_data,
None)
if quiet <2:
print ("===== phase=%d phaseData=%s"%(phase,str(phaseData)))
if not phaseData is None:
periods_dqs=phaseData.keys()
periods_dqs.sort()
for period_dqs in periods_dqs: # iterate through all dqs periods
dly_dqs=phaseData[period_dqs] # pair of lane delays
for enl_branch in dq_enl_data:
if not enl_branch is None:
period_dq=enl_dict[enl_branch]
period_key=(period_dqs,period_dq)
if quiet <2:
print ("period_dqs=%d enl_branch=%s period_key=%s, dly_dqs=%s"%(period_dqs,enl_branch,str(period_key),str(dly_dqs)))
try:
print ("dq_enl_data['%s][%d]=%s"%(enl_branch,dly_dqs[0], str(dq_enl_data[enl_branch][dly_dqs[0]])))
except:
print ("dq_enl_data['%s]=%s"%(enl_branch, str(dq_enl_data[enl_branch])))
try:
print ("dq_enl_data['%s][%d]=%s"%(enl_branch,dly_dqs[1], str(dq_enl_data[enl_branch][dly_dqs[0]])))
except:
pass
for line in range(numLines):
try:
line_data[line][period_key]=dq_enl_data[enl_branch][dly_dqs[line//8]][line]
except:
pass
for lane in range(numLines//8):
try:
line_errs[lane][period_key]=dq_enl_err [enl_branch][dly_dqs[lane]][lane]
except:
pass
if quiet <2:
print ("line_data=",line_data)
print ("line_errs=",line_errs)
for line,d in zip(data,line_data):
if d: # not empty dictionary
line.append(d)
else:
line.append(None)
for line,d in zip(errs,line_errs):
if d:
line.append(d)
else:
line.append(None)
if quiet <3:
print ("\ndq_dqs_combined_data=",data)
print ("\ndq_dqs_combined_errs=",errs)
print('len(data)=',len(data),'len(data[0])=',len(data[0]))
print('len(errs)=',len(errs),'len(errs[0])=',len(errs[0]))
print("")
for phase in range(len(data[0])):
print ("%d"%(phase), end=" ")
for line in range(len(data)):
print("%s"%(str(data[line][phase])), end=" ")
for lane in range(len(errs)):
print("%s"%(str(errs[lane][phase])), end=" ")
print()
return (data,errs)
def get_delays_for_phase(self,
phase = None,
list_branches=False,
target=DQSI_KEY,
b_filter=None, # will default to earliest (lowest delay) branch, same as 'e',
cost=None, # if None - will default to NUM_FINE_STEPS, if 0 - will keep it
quiet = 1):
"""
Get list of "optimal" per-bit delays for DQSI,dqso and cmda
always use the same branch
@param phase phase value, if None - return a list for all phases
@parame list_branches - return (ordered) list of available branches, not delays. If it is a string starting with E<rr>,
return worst errors in ps instead of the data
@param target - one of "dqsi","dqso", "dqi", "dqo" or "cmda"
@param b_filter - filter to limit clock-period 'branches', item or a list/tuple of items,
consisting of any (or combination) of:
a)word starting with 'E','B','L' (E<arly> - branch with smallest delay,
L<ate> - largest delay, B<best> (lowest error) - no EBL defaults to "early"
If both Best and Late/Early are present, extra period adds cost*clk_period/NUM_DLY_STEPS
a1) word starting with 'A' (A<ll>) - return results even if some lines are None
b) float number - maximal allowed error in ps and
c) one or several specific branches (signed integers)
If b_filter is None, earliest (lowest delay) branch will be used
@param cost TODO: check with multiple overlapping low-error branches. This parameter allows to select between
multiple "good" (low-error) branches that will become availble when clock period will be lower than
delay range. When selecting lowest error it adds cost for lower/higher delays, such that delay of the
full clock period will add/subtract cost/NUM_DLY_STEPS of the period to effective error. With default
cost==5 it will "punish" with 1/32 period for using "wrong" period branch
@param quiet reduce output
@return - a list of delays for a specific phase or None (if none available/match f_filter) or
a list of lists of delays/None-s for all phases (if phase is not specified) or
a list of period branches (signed integers) for a specific phase/None if list_branches is True or
a list of lists/None-s for all phases if phase is None and list_branches is True
"""
"""
#TODO: REMOVE next temporary lines
self.load_hardcoded_data()
self.proc_addr_odelay(True, 200.0, 4)
self.proc_dqsi_phase ('All', 50, 0, 0.0, 200, 3)
self.proc_dqso_phase ('All', 50, 0, 0.0, 200, 3)
"""
if cost is None:
cost=NUM_FINE_STEPS
return_error=False
try:
if list_branches.upper()[0]=='E':
return_error=True
list_branches=False
except:
pass
if quiet < 2:
print ("processing get_delays_for_phase(phase=%s,list_branches=%s,target='%s',b_filter=%s)"%(str(phase),
str(list_branches),
str(target),
str(b_filter)))
#parse b-filter
if not isinstance (b_filter, (list,tuple)):
b_filter=[b_filter]
periods_set=set()
highDelay=False
lowDelay=False
minError=False
maxErrPS=0.0
allGood=True
for item in b_filter:
if not item is None:
if isinstance(item,float):
maxErrPS=item
elif isinstance(item,(int,long,tuple)):
periods_set.add(item)
elif isinstance(item,str) and (len(item)>0) and (item.upper()[0] in "EBLA"):
if item.upper()[0] == "L":
highDelay=True
elif item.upper()[0] == "B":
minError=True
elif item.upper()[0] == "E":
lowDelay=True
elif item.upper()[0] == "A":
allGood=False
else:
raise Exception("Unrecognized filter option %s - first letter should be one of 'EBLA'"%(item))
else:
raise Exception("Unrecognized filter item %s - can be string (starting with E,L,B,A) float (max error in ps) or signed integer - number of clock periods"%(item))
delay_cost=0
clk_period=1000.0*self.x393_mcntrl_timing.get_dly_steps()['SDCLK_PERIOD'] # 2500.0, # clk_period,
#Will add to error(ps) -delay_cost(steps) * delay_cost
if lowDelay:
delay_cost=clk_period*cost/(NUM_DLY_STEPS**2)
elif highDelay:
delay_cost=-clk_period*cost/(NUM_DLY_STEPS**2)
if target.upper() == 'DQI':
delays=self.adjustment_state['dqi_phase_multi']
errors=self.adjustment_state['dqi_phase_err']
common_branches=False
elif target.upper() == 'DQO':
delays=self.adjustment_state['dqo_phase_multi']
errors=self.adjustment_state['dqo_phase_err']
common_branches=False
elif target.upper() == 'DQSI':
delays=self.adjustment_state['dqsi_phase_multi']
errors=self.adjustment_state['dqsi_phase_err']
common_branches=False
elif target.upper() == 'DQSO':
delays=self.adjustment_state['dqso_phase_multi']
errors=self.adjustment_state['dqso_phase_err']
common_branches=False
elif target.upper() == 'CMDA':
delays=self.adjustment_state['addr_odelay']['dlys']
errors=self.adjustment_state['addr_odelay']['err']
# print("delays=",delays)
# print("errors=",errors)
# print("2:self.adjustment_state['addr_odelay']=",self.adjustment_state['addr_odelay'])
common_branches=True
else:
raise Exception("Unrecognized mode option, valid are: 'DQSI','DQSO' and CMDA'")
if common_branches:
numPhaseSteps= len(delays)
else:
numPhaseSteps= len(delays[0])
def single_phase(phase):
if common_branches:
phaseData=delays[phase]
phaseErrs=errors[phase]
if quiet <1:
print(phase,"--phaseData=",phaseData," ... highDelay=",highDelay," lowDelay=",lowDelay," list_branches=",list_branches)
# print("phaseErrs=",phaseErrs)
else:
try:
phaseData,phaseErrs=self._get_dqs_dly_err(phase,
delays,
errors)
except: # _get_dqs_dly_err ==> None
if quiet <1:
print("phaseData=None")
return None
if quiet <1:
print(phase,"phaseData=",phaseData," ... highDelay=",highDelay," lowDelay=",lowDelay," list_branches=",list_branches)
if phaseData is None:
return None
# print ("target=",target," phaseData=",phaseData )
"""
periods=phaseData.keys()
periods.sort() # can compare tuples (1-st is "more important")
if maxErrPS:
for indx,branch in enumerate(periods):
if phaseErrs[branch] > maxErrPS:
periods.pop(indx)
if allGood:
for indx,branch in enumerate(periods):
if None in phaseData[branch]:
periods.pop(indx)
for indx,branch in enumerate(periods): # if all elements are None
if all(v is None for v in phaseData[branch]):
periods.pop(indx)
"""
periods=set(phaseData.keys())
if maxErrPS:
for period in periods.copy():
if phaseErrs[period] > maxErrPS:
periods.remove(period)
if allGood:
for period in periods.copy():
if None in phaseData[period]:
periods.remove(period)
for period in periods.copy(): # if all elements are None
if all(v is None for v in phaseData[period]):
periods.remove(period)
periods=list(periods)
periods.sort() # can compare tuples (1-st is "more important")
# useBranch
# filter results
if periods_set:
periods=[p for p in periods if p in periods_set]
if not periods:
return None
if (len(periods) > 1) and minError:
if delay_cost == 0:
"""
merr=min(phaseErrs[b] for b in periods)
for branch in periods: # , e in phaseErrs.items():
if phaseErrs[branch] == merr:
periods=[branch]
break
"""
#just list errors for the periods list
eff_errs=[phaseErrs[b] for b in periods]
else:
#calculate "effective errors" by adding scaled (with +/-) average delay for branches
eff_errs=[phaseErrs[b]+(delay_cost*sum(d for d in phaseData[b] if not d is None)/sum(1 for d in phaseData[b] if not d is None)) for b in periods]
periods=[periods[eff_errs.index(min(eff_errs))]]
#Filter by low/high delays without minError mode
if len(periods)>1:
dl0_per=[phaseData[p][0] for p in periods] # only delay for line 0, but with same branch requirement this should be the same for all lines
if highDelay or lowDelay or not list_branches or return_error: # in list_branches mode - filter by low/high only if requested, for delays use low if not highDelay
periods=[periods[dl0_per.index((min,max)[highDelay](dl0_per))]]
if list_branches: # move to the almost very end, so filters apply
return periods
elif return_error:
return phaseErrs[periods[0]]
else:
return phaseData[periods[0]]
#main method body
if not phase is None:
rslt= single_phase(phase)
if quiet < 3:
print ("%d %s"%(phase,str(rslt)))
else:
rslt=[]
for phase in range(numPhaseSteps):
rslt.append(single_phase(phase))
if quiet < 3:
for phase, v in enumerate(rslt):
print ("%d %s"%(phase,str(v)))
return rslt
def set_delays(self,
phase,
filter_cmda=None, # may be special case: 'S<safe_phase_as_float_number>
filter_dqsi=None,
filter_dqi= None,
filter_dqso=None,
filter_dqo= None,
cost=None,
refresh=True,
forgive_missing=False,
maxPhaseErrorsPS=None,
quiet=3):
"""
Set phase and all relevant delays (ones with non None filters)
@param phase value to calculate delays for or None to use globally set optimal_phase
@param filter_cmda filter clock period branches for command and addresses. See documentation for
get_delays_for_phase() - b_filter
@param filter_dqsi filter for DQS output delays
@param filter_dqi filter for DQS output delays
@param filter_dqso filter for DQS output delays
@param filter_dqo filter for DQS output delays,
@param refresh - turn refresh OFF before and ON after changing the delays and phase
@param forgive_missing do not raise exceptions on missing data - just skip that delay group
@param maxPhaseErrorsPS - if present, specifies maximal phase errors (in ps) for cmda, dqsi and dqso (each can be None)
@param quiet Reduce output
@return used delays dictionary on success, None on failure
raises Exception() if any delays with non-None filters miss required data
"""
if quiet < 2:
print ("set_delays (",
phase,',',
filter_cmda,',',
filter_dqsi, ',',
filter_dqi, ',',
filter_dqso, ',',
filter_dqo, ',',
cost, ',',
refresh, ',',
forgive_missing, ',',
maxPhaseErrorsPS,',',
quiet,")")
if phase is None:
try:
phase= self.adjustment_state['optimal_phase']
except:
raise Exception("Phase value is not provided and global optimal phase is not defined")
num_addr=vrlg.ADDRESS_NUMBER
num_banks=3
dly_steps=self.x393_mcntrl_timing.get_dly_steps()
numPhaseSteps= int(dly_steps['SDCLK_PERIOD']/dly_steps['PHASE_STEP']+0.5)
phase= phase % numPhaseSteps # valid for negative also, numPhaseSteps should be <=128 (now it is 112)
delays=self.get_all_delays(phase=phase,
filter_cmda= filter_cmda, # may be special case: 'S<safe_phase_as_float_number>
filter_dqsi= filter_dqsi,
filter_dqi= filter_dqi,
filter_dqso= filter_dqso,
filter_dqo= filter_dqo,
cost= cost,
forgive_missing= forgive_missing,
allow_replace = True,
maxPhaseErrorsPS=maxPhaseErrorsPS,
quiet= quiet)
if delays is None: #May also be an empty dictionary?
return None
filters=dict(zip(SIG_LIST,[filter_cmda,filter_dqsi,filter_dqi,filter_dqso,filter_dqo]))
if quiet < 3:
print ("Going to set:")
print ("phase=",phase)
name_len=max(len(k) for k in SIG_LIST if filters[k] is not None)
frmt="%%%ds = %%s"%(name_len+3)
for k in SIG_LIST:
if not filters[k] is None:
print(frmt%(k+" = "+" "*(name_len-len(k)), str(delays[k])))
print ('Memory refresh will %sbe controlled'%(('NOT ','')[refresh]))
if refresh:
self.x393_axi_tasks.enable_refresh(0)
self.x393_mcntrl_timing.axi_set_phase(phase,quiet=quiet)
if CMDA_KEY in delays:
if isinstance(delays[CMDA_KEY],(list,tuple)):
self.x393_mcntrl_timing.axi_set_address_odelay(combine_delay(delays[CMDA_KEY][:num_addr]),quiet=quiet)
self.x393_mcntrl_timing.axi_set_bank_odelay (combine_delay(delays[CMDA_KEY][num_addr:num_addr+num_banks]),quiet=quiet)
cmd_dly_data=delays[CMDA_KEY][num_addr+num_banks:]
while len(cmd_dly_data) < 5:
cmd_dly_data.append(cmd_dly_data[-1]) # repeat last element (average address/command delay)
self.x393_mcntrl_timing.axi_set_cmd_odelay (combine_delay(cmd_dly_data),quiet=quiet) # for now - same delay TODO: upgrade!
else: # only data from 'cmda_bspe' is available - use it for all
self.x393_mcntrl_timing.axi_set_cmda_odelay(combine_delay(delays[CMDA_KEY]),quiet=quiet)
if refresh:
self.x393_axi_tasks.enable_refresh(1)
if DQSI_KEY in delays:
self.x393_mcntrl_timing.axi_set_dqs_idelay(combine_delay(delays[DQSI_KEY]),quiet=quiet)
if DQI_KEY in delays:
self.x393_mcntrl_timing.axi_set_dq_idelay(combine_delay(delays[DQI_KEY]),quiet=quiet)
if DQSO_KEY in delays:
self.x393_mcntrl_timing.axi_set_dqs_odelay(combine_delay(delays[DQSO_KEY]),quiet=quiet)
if DQO_KEY in delays:
self.x393_mcntrl_timing.axi_set_dq_odelay(combine_delay(delays[DQO_KEY]),quiet=quiet)
return True
def get_all_delays(self,
phase,
filter_cmda = None, # may be special case: 'S<safe_phase_as_float_number>
filter_dqsi = None,
filter_dqi = None,
filter_dqso = None,
filter_dqo = None,
forgive_missing = False,
allow_replace = True,
cost = None,
maxPhaseErrorsPS = None,
quiet=3):
"""
Calculate dictionary of delays for specific phase. Only Non-None filters will generate items in the dictionary
@param phase phase value to calculate delays for or None to calculate a list for all phases
@param filter_cmda filter clock period branches for command and addresses. See documentation for
get_delays_for_phase() - b_filter
@param filter_dqsi filter for DQS output delays
@param filter_dqi filter for DQS output delays
@param filter_dqso filter for DQS output delays
@param filter_dqo filter for DQS output delays,
@param forgive_missing do not raise exceptions on missing data - just skip that delay group
@param allow_replace Try to find solutions fro close phases
@param cost - cost of switching to a higher(lower) delay branch as a fraction of a period
@param maxPhaseErrorsPS - if present, specifies maximal phase errors (in ps) for cmda, dqsi and dqso (each can be None)
@param quiet Reduce output
@return None if not possible for at east one non-None filter, otherwise a dictionary of delay to set.
Each value is either number set to all or a tuple/list (to set individual values)
raises Exception if required data is missing
"""
filters=dict(zip(SIG_LIST,[filter_cmda,filter_dqsi,filter_dqi,filter_dqso,filter_dqo]))
dly_steps=self.x393_mcntrl_timing.get_dly_steps()
numPhaseSteps= int(dly_steps['SDCLK_PERIOD']/dly_steps['PHASE_STEP']+0.5)
phaseStep=1000.0*dly_steps['PHASE_STEP']
if quiet < 3:
print ("get_all_delays(): maxPhaseErrorsPS=",maxPhaseErrorsPS)
# assert (not maxPhaseErrorsPS is None)
if phase is None:
all_delays=[]
for phase in range(numPhaseSteps):
all_delays.append(self.get_all_delays(phase=phase,
filter_cmda = filter_cmda,
filter_dqsi = filter_dqsi,
filter_dqi = filter_dqi,
filter_dqso = filter_dqso,
filter_dqo = filter_dqo,
forgive_missing = forgive_missing,
allow_replace = allow_replace,
cost= cost,
maxPhaseErrorsPS=maxPhaseErrorsPS,
quiet= quiet))
return all_delays
delays={}
phaseTolerances={}
if quiet < 2:
print("maxPhaseErrorsPS=",maxPhaseErrorsPS)
if maxPhaseErrorsPS:
if isinstance (maxPhaseErrorsPS, (float, int,long)):
maxPhaseErrorsPS=(maxPhaseErrorsPS,maxPhaseErrorsPS,maxPhaseErrorsPS)
if maxPhaseErrorsPS[0]:
phaseTolerances[CMDA_KEY]= int(round(maxPhaseErrorsPS[0]/phaseStep))
if maxPhaseErrorsPS[1]:
phaseTolerances[DQSI_KEY]= int(round(maxPhaseErrorsPS[1]/phaseStep))
if maxPhaseErrorsPS[2]:
phaseTolerances[DQSO_KEY]= int(round(maxPhaseErrorsPS[2]/phaseStep))
if (quiet <2):
print ("phaseTolerances=",phaseTolerances)
all_good=True
for k in SIG_LIST: #CMDA first, DQS before DQ
if not filters[k] is None:
#special case for cmda, and if self.adjustment_state['addr_odelay'] is not available
if (k == CMDA_KEY) and ((not 'addr_odelay' in self.adjustment_state) or
(isinstance (filter_cmda,str) and (len(filter_cmda)>1) and (filter_cmda.upper()[0]=='S'))):
# not processing phaseTolerances in this mode
if quiet < 3:
print ("\n------ processing '%s' using self.adjustment_state['cmda_bspe'], filter= %s"%(k,str(filters[k])))
try:
cmda_bspe=self.adjustment_state['cmda_bspe']
except:
raise Exception ('Data for filter_cmda is not available (self.adjustment_state["cmda_bspe"]')
try:
safe_phase=float(filter_cmda.upper()[1:])
if quiet <2:
print ("using safe phase=",safe_phase)
except:
safe_phase=0
if safe_phase >=0.5:
print ("Invalid 'safe range' (safe_phase). It is measured in clock cycles and should be < 0.5")
safe_phase=0
if safe_phase and (not cmda_bspe[phase]['zerr'] is None) and (cmda_bspe[phase]['zerr']< 0.5-safe_phase):
delays[k]=0 # set to minimal delay (==0)
else:
delays[k]=cmda_bspe[phase]['ldly']
else:
if quiet < 3:
print ("\n------ processing '%s', filter= %s"%(k,str(filters[k])))
if forgive_missing:
try:
delays[k]=self.get_delays_for_phase(phase = phase,
list_branches=False, # just get one set of filtered delay
target= k,
b_filter= filters[k],
cost= cost,
quiet = quiet+2)
except:
pass
else:
delays[k]=self.get_delays_for_phase(phase = phase,
list_branches=False, # just get one set of filtered delay
target= k,
b_filter= filters[k],
cost= cost,
quiet = quiet+2)
if delays[k] is None:
if quiet < 3:
print ("delays[%s]=%s,phaseTolerances=%s"%(k,str(delays[k]),str(phaseTolerances)))
if phaseTolerances:
all_good=False
else:
if quiet < 3:
print ("%s: return None"%(k))
return None
if not all_good: # try to fix - see if the solutions exist for slightly different phases
if quiet < 3:
print ("Not all good: allow_replace = %d, phase= %d, delays= %s"%(allow_replace, phase,str(delays)))
if not allow_replace:
raise Exception ("Not all good solutions for this phase")
for pair in ((CMDA_KEY,CMDA_KEY,),(DQSI_KEY,DQI_KEY),(DQSO_KEY,DQO_KEY)): # will do some double work for CMDA_KEY
if (pair[0] in phaseTolerances) and phaseTolerances[pair[0]] and (pair[0] in delays) and (pair[1] in delays): # so not to process forgive_missing again
if quiet < 3:
print ("pair= ",pair)
if (not (delays[pair[0]]) is None) and (not (delays[pair[1]]) is None):
continue #nothing to fix for this pair
phase_var=1
while abs(phase_var) <= phaseTolerances[pair[0]]:
other_phase=(phase+phase_var) % numPhaseSteps
if quiet < 2:
print ("phase_var=%d, other_phase=%d"%(phase_var,other_phase))
dlys=[]
dlys.append(self.get_delays_for_phase(phase = other_phase,
list_branches=False, # just get one set of filtered delay
target= pair[0],
b_filter= filters[pair[0]],
cost= cost,
quiet = quiet+2))
dlys.append(self.get_delays_for_phase(phase = other_phase,
list_branches=False, # just get one set of filtered delay
target= pair[1],
b_filter= filters[pair[1]],
cost= cost,
quiet = quiet+2))
if quiet < 2:
print ("dlys=",dlys)
if not None in dlys:
if quiet <3:
print ("Found replacement phase=%d (for %d) for the signal pair:%s"%(other_phase,phase,str(pair)))
delays[pair[0]]=dlys[0]
delays[pair[1]]=dlys[1]
break
phase_var=-phase_var
if phase_var > 0:
phase_var += +1
# See if there are still some None in the delays
if None in delays:
if quiet <2:
print ("Some delays are still missing for phase %d :%s"%(phase,str(delays)))
return delays
def show_all_delays(self,
filter_variants = None,
filter_cmda = 'A',#None,
filter_dqsi = 'A',#None,
filter_dqi = 'A',#None,
filter_dqso = 'A',#None,
filter_dqo = 'A',#None,
quiet = 3):
"""
Print all optionally filtered delays, the results can be copied to a spreadsheet program to create graph
@param filter_variants optional list of 3-tuples (cmda_variant, (dqso_variant,dqo-dqso), (dqsi_variant,dqi-dqsi))
Alternatively if this parameter is a string (currently any), only phase values that have all signals valid
will be shown
@param filter_cmda filter clock period branches for command and addresses. See documentation for
get_delays_for_phase() - b_filter
@param filter_dqsi filter for DQS output delays
@param filter_dqi filter for DQS output delays
@param filter_dqso filter for DQS output delays
@param filter_dqo filter for DQS output delays,
@param quiet Reduce output
"""
"""
required_keys=('addr_odelay',
'dqi_phase_multi',
'dqi_phase_err',
'dqo_phase_multi',
'dqo_phase_err',
'dqsi_phase_multi',
'dqsi_phase_err',
'dqso_phase_multi',
'dqso_phase_err')
"""
#temporarily:
# self.load_mcntrl('dbg/x393_mcntrl.pickle')
if quiet < 5:
print("\n\nCopy the table below to a spreadsheet program to plot graphs)")
print("show_all_delays(",
filter_variants,",",
filter_cmda,",",
filter_dqsi,",",
filter_dqi,",",
filter_dqso,",",
filter_dqo ,",",
quiet,")")
all_groups_valid_only=False
if (isinstance(filter_variants,str)) : # currently - any string means "keep only phases that have all groups valid)
all_groups_valid_only=True
filter_variants=None
tSDQS=1000.0*self.x393_mcntrl_timing.get_dly_steps()['DLY_STEP']/NUM_FINE_STEPS
filters=dict(zip(SIG_LIST,[filter_cmda,filter_dqsi,filter_dqi,filter_dqso,filter_dqo]))
periods_phase={}
periods_all={}
for k in SIG_LIST:
if not filters[k] is None:
if quiet < 2:
print ("\n===== processing '%s', filter= %s"%(k,str(filters[k])))
periods_phase[k]=self.get_delays_for_phase(phase = None,
list_branches=True,
target=k,
b_filter=filters[k],
#cost=NUM_FINE_STEPS,
quiet = quiet+1)
# quiet = quiet+0)
# numPhases=len(periods_phase[CMDA_KEY])
try:
numPhases=len(periods_phase[periods_phase.keys()[0]])
except:
print ("show_all_delays(): Nothing selected, exiting")
return
#Remove DQI and DQO branches that are referenced to non-existing (filtered out) DQSI/DQI
for phase in range (numPhases):# ,cmda,dqso,dqo, in zip(range(numPhases),cmda_vars,dqso_vars,dqo_vars):
if (DQI_KEY in periods_phase) and (DQSI_KEY in periods_phase):
fl=[]
if periods_phase[DQI_KEY][phase] is not None:
for variant in periods_phase[DQI_KEY][phase]:
if (not periods_phase[DQSI_KEY][phase] is None) and (variant[0] in periods_phase[DQSI_KEY][phase]):
fl.append(variant)
if fl:
periods_phase[DQI_KEY][phase]=fl
else:
periods_phase[DQI_KEY][phase]=None
if (DQO_KEY in periods_phase) and (DQSO_KEY in periods_phase):
if periods_phase[DQO_KEY][phase] is not None:
fl=[]
for variant in periods_phase[DQO_KEY][phase]:
if (not periods_phase[DQSO_KEY][phase] is None) and (variant[0] in periods_phase[DQSO_KEY][phase]):
fl.append(variant)
if fl:
periods_phase[DQO_KEY][phase]=fl
else:
periods_phase[DQO_KEY][phase]=None
if quiet < 2:
print ("all_groups_valid_only=",all_groups_valid_only)
if all_groups_valid_only:
for phase in range (numPhases):
for k in periods_phase:
if periods_phase[k][phase] is None:
for k in periods_phase:
periods_phase[k][phase]=None
break
if quiet < 2:
print("===== Filtered periods: =====")
for phase in range (numPhases):
print ("phase=%d"%(phase),end=" ")
for k in periods_phase:
print ("'%s':%s"%(k,str(periods_phase[k][phase])),end=" ")
print()
if not filter_variants is None:
strict= not ('all' in filter_variants)
if quiet < 3:
print ("filter_variants=",filter_variants)
for phase in range (numPhases):# ,cmda,dqso,dqo, in zip(range(numPhases),cmda_vars,dqso_vars,dqo_vars):
#build variants for each group that are used in at least one permitted combination of cmda, dqso, dqo, dqsi, dqi
# 'try' makes sure that all groups are not None (in that case just skip that phase value)
key_vars={}
for k in SIG_LIST:
key_vars[k]=set()
try:
for cmda in periods_phase[CMDA_KEY][phase]:
for dqo in periods_phase[DQO_KEY][phase]:
for dqi in periods_phase[DQI_KEY][phase]:
if quiet < 3:
print("phase=%d, (cmda,dqo,dqi)=%s"%(phase,str((cmda,dqo,dqi))))
if (((cmda,dqo,dqi) in filter_variants) and
(dqo[0] in periods_phase[DQSO_KEY][phase]) and
(dqi[0] in periods_phase[DQSI_KEY][phase])):
for i,k in enumerate(SIG_LIST):
key_vars[k].add((cmda,dqi[0],dqi,dqo[0],dqo)[i]) #careful with the order
if quiet < 2:
print("phase=%d, key_vars=%s"%(phase,str(key_vars))) # OK
for k in SIG_LIST:
for variant in periods_phase[k][phase]:
if not variant in key_vars[k]:
if quiet < 3:
print ("phase=%d: variant %s is not in %s for %s, key_vars=%s . OK in when filtered by 'filter_variants'"%(phase,
variant,
str(key_vars[k]),
str(k),
str(key_vars)))
periods_phase[k][phase].pop(variant) # remove variants that do not fit in one of the combinations in filter_variants
if quiet <2:
print("periods_phase[%s][phase]=%s, strict=%s"%(str(k),str(periods_phase[k][phase]),str(strict)))
assert (periods_phase[k][phase] or (not strict))
except:
for k in SIG_LIST:
if quiet <2:
print("except %s"%str(k))
periods_phase[k][phase]=None
if quiet <2:
for phase in range (numPhases):
print ("phase= %d"%(phase), end=" ")
for k in SIG_LIST:
print ("%s"%(periods_phase[k][phase]), end=" ")
print()
for k in SIG_LIST:
if k in periods_phase:
periods_all[k]=set()
for lp in periods_phase[k]:
try:
for p in lp:
periods_all[k].add(p)