tools/dump_pmgr.py: Show calculated NCO rate

Show the calculated rate for NCO channels' output based on the present
register values.

Signed-off-by: Martin Povišer <povik@protonmail.com>
This commit is contained in:
Martin Povišer 2021-11-24 18:41:48 +01:00 committed by Hector Martin
parent 5e5b83e7a2
commit f71397abb7

View file

@ -5,6 +5,7 @@ sys.path.append(str(pathlib.Path(__file__).resolve().parents[1]))
from m1n1 import adt
from m1n1.setup import *
from m1n1.hw.nco import NCO
dt = u.adt
@ -119,9 +120,17 @@ for i, (freq, reg, nclk) in enumerate(zip(arm_io.clock_frequencies,
elif clk_type in (0xa0, 0xa1, 0xa4, 0xa5):
v = f"regval: {p.read32(reg):#x}"
elif clk_type == 0xa8:
v = "nco: "
for off in range(6):
v += f"{p.read32(reg+off*4):#x} "
regvals = [p.read32(reg+off*4) for off in range(5)]
try:
# we are using the freq value from ADT as fin of NCO,
# that's not exactly correct
nco_freq = NCO.calc_rate(freq, regvals)
except ValueError as e:
nco_freq = 0
v = f"nco: (calculated rate: {nco_freq:d}) "
for val in regvals:
v += f"{val:#x} "
print(f"#{i:3}: {freq:10d} {nclk} {clk_type:#x}/{reg:#x}: {v}")