From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Wed, 22 Dec 2021 01:47:38 +0000 (+0000)
Subject: remove unneeded state in LoadStore1
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b70274add7ea69cc8dc831f72ea4019d2d5ad412;p=soc.git

remove unneeded state in LoadStore1
---

diff --git a/src/soc/fu/ldst/loadstore.py b/src/soc/fu/ldst/loadstore.py
index eb452dbf..c31a84fc 100644
--- a/src/soc/fu/ldst/loadstore.py
+++ b/src/soc/fu/ldst/loadstore.py
@@ -40,7 +40,6 @@ class State(Enum):
     IDLE = 0       # ready for instruction
     ACK_WAIT = 1   # waiting for ack from dcache
     MMU_LOOKUP = 2 # waiting for MMU to look up translation
-    TLBIE_WAIT = 3 # waiting for MMU to finish doing a tlbie
 
 
 # captures the LDSTRequest from the PortInterface, which "blips" most
@@ -307,9 +306,6 @@ class LoadStore1(PortInterfaceBase):
                     # exception thrown, clear out instruction fault state
                     sync += self.r_instr_fault.eq(0)
 
-            with m.Case(State.TLBIE_WAIT):
-                pass
-
         # MMU FSM communicating a request to update DSISR or DAR (OP_MTSPR)
         with m.If(self.mmu_set_spr):
             with m.If(self.mmu_set_dsisr):