targets/orangecrab: use new DM remapping capability of LiteDRAM to fix LDM/UDM.

Required by VexRiscv-SMP that uses DMs on LiteDRAM interface.
2020-12-16 11:51:33 +01:00 · 2020-12-16 11:51:33 +01:00 · 00fc2c5166
parent 6ece97ec59
commit 00fc2c5166
1 changed files with 2 additions and 1 deletions
--- 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"):