Merge pull request #222 from daveshah1/rcd_fine_speed_int

init: Cast DDR4 RCD fine_speed to int
2020-10-13 15:01:20 +02:00 · 2020-10-13 15:01:20 +02:00 · 7d8f4713d3
parent ce2c410965 eb6268a783
commit 7d8f4713d3
1 changed files with 1 additions and 1 deletions
--- a/litedram/init.py
+++ b/litedram/init.py
@ -398,7 +398,7 @@ def get_ddr4_phy_init_sequence(phy_settings, timing_settings):
        def get_fine_speed(tck):
            # JESD82-31A page 83
            freq = 2/tck
-            fine_speed = (freq - 1240e6) // 20e6
+            fine_speed = int((freq - 1240e6) // 20e6)
            fine_speed = max(fine_speed, 0)
            fine_speed = min(fine_speed, 0b1100001)
            return fine_speed