From 0ca203487b3dbfe4d19f8b46207a635f73bbf89f Mon Sep 17 00:00:00 2001
From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Tue, 27 Jul 2021 15:00:18 +0200
Subject: [PATCH] pr243: Make led_chaser optional.

---
 litex_boards/targets/digilent_cmod_a7.py   | 10 ++++++----
 litex_boards/targets/digilent_nexys4.py    |  9 +++++----
 litex_boards/targets/micronova_mercury2.py | 12 ++++++------
 3 files changed, 17 insertions(+), 14 deletions(-)

diff --git a/litex_boards/targets/digilent_cmod_a7.py b/litex_boards/targets/digilent_cmod_a7.py
index 15ed684..a8b0473 100755
--- a/litex_boards/targets/digilent_cmod_a7.py
+++ b/litex_boards/targets/digilent_cmod_a7.py
@@ -115,7 +115,8 @@ def addAsyncSram(soc, platform, name, origin, size):
 class BaseSoC(SoCCore):
     def __init__(self,  variant="a7-35",
                  toolchain="vivado",
-                 sys_clk_freq=int(100e6), 
+                 sys_clk_freq=int(100e6),
+                 with_led_chaser=True,
                  ident_version=True, 
                  with_jtagbone=True, 
                  with_mapped_flash=False, 
@@ -136,9 +137,10 @@ class BaseSoC(SoCCore):
         addAsyncSram(self,platform,"main_ram",0x40000000,512*1024)        
 
         # Leds -------------------------------------------------------------------------------------
-        self.submodules.leds = LedChaser(
-            pads         = platform.request_all("user_led"),
-            sys_clk_freq = sys_clk_freq)
+        if with_led_chaser:
+            self.submodules.leds = LedChaser(
+                pads         = platform.request_all("user_led"),
+                sys_clk_freq = sys_clk_freq)
 
 # Build --------------------------------------------------------------------------------------------
 
diff --git a/litex_boards/targets/digilent_nexys4.py b/litex_boards/targets/digilent_nexys4.py
index ea2e736..b077588 100755
--- a/litex_boards/targets/digilent_nexys4.py
+++ b/litex_boards/targets/digilent_nexys4.py
@@ -168,7 +168,7 @@ def addCellularRAM(soc, platform, name, origin):
 # BaseSoC ------------------------------------------------------------------------------------------
 
 class BaseSoC(SoCCore):
-    def __init__(self, sys_clk_freq=int(75e6), with_ethernet=False, with_etherbone=False, with_video_terminal=False, with_video_framebuffer=False, **kwargs):
+    def __init__(self, sys_clk_freq=int(75e6), with_led_chaser=True, with_ethernet=False, with_etherbone=False, with_video_terminal=False, with_video_framebuffer=False, **kwargs):
         platform = digilent_nexys4.Platform()
 
         # SoCCore ----------------------------------_-----------------------------------------------
@@ -201,9 +201,10 @@ class BaseSoC(SoCCore):
                 self.add_video_framebuffer(phy=self.videophy, timings="800x600@60Hz", clock_domain="vga")
 
         # Leds -------------------------------------------------------------------------------------
-        self.submodules.leds = LedChaser(
-            pads         = platform.request_all("user_led"),
-            sys_clk_freq = sys_clk_freq)
+        if with_led_chaser:
+            self.submodules.leds = LedChaser(
+                pads         = platform.request_all("user_led"),
+                sys_clk_freq = sys_clk_freq)
 
 # Build --------------------------------------------------------------------------------------------
 
diff --git a/litex_boards/targets/micronova_mercury2.py b/litex_boards/targets/micronova_mercury2.py
index 606ee7a..3f3b26e 100755
--- a/litex_boards/targets/micronova_mercury2.py
+++ b/litex_boards/targets/micronova_mercury2.py
@@ -112,11 +112,11 @@ class BaseSoC(SoCCore):
     def __init__(self, 
                  variant="a7-35", 
                  toolchain="vivado", 
-                 sys_clk_freq=int(100e6), 
+                 sys_clk_freq=int(100e6),
+                 with_led_chaser=True,
                  ident_version=True, 
                  with_jtagbone=True, 
                  with_mapped_flash=False, 
-                 enable_leds = True,
                  **kwargs):
 
         platform = micronova_mercury2.Platform()
@@ -136,10 +136,10 @@ class BaseSoC(SoCCore):
         #self.add_timer()
 
         # Leds -------------------------------------------------------------------------------------
-        if enable_leds:
-          self.submodules.leds = LedChaser(
-            pads         = platform.request_all("user_led"),
-            sys_clk_freq = sys_clk_freq)
+        if with_led_chaser:
+            self.submodules.leds = LedChaser(
+                pads         = platform.request_all("user_led"),
+                sys_clk_freq = sys_clk_freq)
 
 # Build --------------------------------------------------------------------------------------------