wb_arbiter: Forward stall signals

They are set to '1' for non-selected devices

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --git a/wishbone_arbiter.vhdl b/wishbone_arbiter.vhdl
index d839b3138dca6013eb3ae7ed1b99796fea3ea3df..8e2358b253bf53239bb21398613627bec60f8aca 100644 (file)
--- a/wishbone_arbiter.vhdl
+++ b/wishbone_arbiter.vhdl
@@ -43,6 +43,9 @@ begin
        wb1_out.ack <= wb_in.ack when state = WB1_BUSY else '0';
        wb2_out.ack <= wb_in.ack when state = WB2_BUSY else '0';
        wb3_out.ack <= wb_in.ack when state = WB3_BUSY else '0';
+       wb1_out.stall <= wb_in.stall when state = WB1_BUSY else '1';
+       wb2_out.stall <= wb_in.stall when state = WB2_BUSY else '1';
+       wb3_out.stall <= wb_in.stall when state = WB3_BUSY else '1';
     end process;
 
     wishbone_arbiter_process: process(clk)