rtl/cache: fix critical bus protocol bug when caches are disabled

cache_core_waitrequest must be always high when caches are disabled.
Otherwise, cache_routing won't raise core_waitrequest on the idle state.

1 files changed, 1 insertions, 1 deletions

diff --git a/rtl/cache/cache.sv b/rtl/cache/cache.sv
index f525373..465da08 100644
--- a/rtl/cache/cache.sv
+++ b/rtl/cache/cache.sv
@@ -144,7 +144,7 @@ module cache
 
 			assign cache_mem_read = 0;
 			assign cache_mem_write = 0;
-			assign cache_core_waitrequest = 0;
+			assign cache_core_waitrequest = 1;
 
 			if (`CONFIG_CACHE) begin: null_ring
 				assign in_data_ready = out_data_ready;