From 00fc2c516652ae630d933f8b01fce8683213f0c8 Mon Sep 17 00:00:00 2001
From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Wed, 16 Dec 2020 11:51:33 +0100
Subject: [PATCH] targets/orangecrab: use new DM remapping capability of
 LiteDRAM to fix LDM/UDM.

Required by VexRiscv-SMP that uses DMs on LiteDRAM interface.
---
 litex_boards/targets/orangecrab.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/litex_boards/targets/orangecrab.py b/litex_boards/targets/orangecrab.py
index 016d443..df7768c 100755
--- a/litex_boards/targets/orangecrab.py
+++ b/litex_boards/targets/orangecrab.py
@@ -180,7 +180,8 @@ class BaseSoC(SoCCore):
             ddram_pads = platform.request("ddram")
             self.submodules.ddrphy = ECP5DDRPHY(
                 pads         = ddram_pads,
-                sys_clk_freq = sys_clk_freq)
+                sys_clk_freq = sys_clk_freq,
+                dm_remapping = {0:1, 1:0})
             self.ddrphy.settings.rtt_nom = "disabled"
             self.add_csr("ddrphy")
             if hasattr(ddram_pads, "vccio"):