From 927398a017ede9eee0b2f9d27e5f924577dbfa30 Mon Sep 17 00:00:00 2001
From: naichewa <nwhyteaguayo@g.hmc.edu>
Date: Thu, 7 Nov 2024 10:17:22 -0800
Subject: [PATCH] Fix SPI state skipping sck-cs delay when at end of
 transmission

---
 src/uncore/spi_controller.sv | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/uncore/spi_controller.sv b/src/uncore/spi_controller.sv
index 37c1e3ac9..a0aab008a 100644
--- a/src/uncore/spi_controller.sv
+++ b/src/uncore/spi_controller.sv
@@ -263,8 +263,9 @@ module spi_controller (
       TRANSMIT: begin // TRANSMIT case --------------------------------
         case(CSMode)
           AUTOMODE: begin  
-            if (EndTransmission) NextState = INACTIVE;
-            else if (EndOfFrame) NextState = SCKCS;
+            if (EndTransmission & ~HasSCKCS) NextState = INACTIVE;
+            else if (EndOfFrame & HasSCKCS) NextState = SCKCS;
+            else if (EndOfFrame & ~HasSCKCS) NextState = INTERCS;
             else NextState = TRANSMIT;
           end
           HOLDMODE: begin