From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Wed, 8 Apr 2020 06:33:57 +0000 (+0200)
Subject: soc/cores/clock: add Cyclone10LPPLL.
X-Git-Tag: 24jan2021_ls180~484
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2470ef50969e950d8166560d1eb47ff68cecb398;p=litex.git

soc/cores/clock: add Cyclone10LPPLL.
---

diff --git a/litex/soc/cores/clock.py b/litex/soc/cores/clock.py
index 1a56abac..4b6addab 100644
--- a/litex/soc/cores/clock.py
+++ b/litex/soc/cores/clock.py
@@ -856,3 +856,31 @@ class CycloneVPLL(IntelClocking):
             "-C8" : (0e6, 460e6),
             "-A7" : (0e6, 460e6),
         }[speedgrade]
+
+# Intel / Cyclone10LP ------------------------------------------------------------------------------
+
+class Cyclone10LPPLL(IntelClocking):
+    nclkouts_max   = 5
+    n_div_range    = (1, 512+1)
+    m_div_range    = (1, 512+1)
+    c_div_range    = (1, 512+1)
+    clkin_pfd_freq_range  = (5e6, 325e6)  # FIXME: use
+    vco_freq_range        = (600e6, 1300e6)
+    def __init__(self, speedgrade="-C6"):
+        self.logger = logging.getLogger("Cyclone10LPPLL")
+        self.logger.info("Creating Cyclone10LPPLL, {}.".format(colorer("speedgrade {}".format(speedgrade))))
+        IntelClocking.__init__(self)
+        self.clkin_freq_range = {
+            "-C6" : (5e6, 472.5e6),
+            "-C8" : (5e6, 472.5e6),
+            "-I7" : (5e6, 472.5e6),
+            "-A7" : (5e6, 472.5e6),
+            "-I8" : (5e6, 362e6),
+        }[speedgrade]
+        self.clko_freq_range = {
+            "-C6" : (0e6, 472.5e6),
+            "-C8" : (0e6, 402.5e6),
+            "-I7" : (0e6, 450e6),
+            "-A7" : (0e6, 450e6),
+            "-I8" : (0e6, 362e6),
+        }[speedgrade]