From d7f14911dad1b430d39bfaa448596b94e44dd282 Mon Sep 17 00:00:00 2001
From: Tobias Platen <tplaten@posteo.de>
Date: Wed, 6 Jan 2021 19:26:52 +0100
Subject: [PATCH] fu/mmu/fsm.py: mfspr!=mtspr

---
 src/soc/fu/mmu/fsm.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/soc/fu/mmu/fsm.py b/src/soc/fu/mmu/fsm.py
index 690a1c04..5cce2dde 100644
--- a/src/soc/fu/mmu/fsm.py
+++ b/src/soc/fu/mmu/fsm.py
@@ -185,7 +185,7 @@ class FSMMMUStage(ControlBase):
                         # blip the MMU and wait for it to complete
                         comb += valid.eq(1)   # start "pulse"
                         comb += l_in.valid.eq(blip)   # start
-                        comb += l_in.mtspr.eq(1)   # mtspr mode
+                        comb += l_in.mtspr.eq(0)   # mfspr!=mtspr
                         comb += l_in.sprn.eq(spr)  # which SPR
                         comb += l_in.rs.eq(a_i)    # incoming operand (RS)
                         comb += o.data.eq(l_out.sprval) # SPR from MMU
-- 
2.30.2