spi_host: Fix CSAAT behavior (See #387)

pulp-platform · Apr 20, 2022 · 01204b4 · 01204b4
1 parent bff399e
commit 01204b4
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/hw/vendor/lowrisc_opentitan/spi_host/rtl/spi_host_fsm.sv b/hw/vendor/lowrisc_opentitan/spi_host/rtl/spi_host_fsm.sv
@@ -250,7 +250,8 @@ module spi_host_fsm
           // and of CSAAT is asserted, the details of the subsequent command.
           if (!last_bit || !last_byte) begin
             prestall_st_d = InternalClkLow;
-          end else if (!command_i.segment.csaat) begin
+          // Check value of csaat for the previously submitted segment
+          end else if (!csaat_q) begin
             prestall_st_d = WaitTrail;
           end else if (!command_valid_i) begin
             prestall_st_d = IdleCSBActive;