fix SPI tunnel selection bug

greatscottgadgets · Mar 30, 2023 · c3016c1 · c3016c1
1 parent 8818d67
commit c3016c1
Showing 1 changed file with 5 additions and 5 deletions.
diff --git a/apollo_fpga/__init__.py b/apollo_fpga/__init__.py
@@ -194,13 +194,13 @@ def create_jtag_spi(self, jtag_chain):
         if self.major == self.EXTERNAL_BOARD_MAJOR:
             return None, None
 
-        # Otherwise, if we have a revision greater than r0.2, our SPI should be via JTAG.
-        elif self.minor >= 0.3:
-            return ECP5_JTAGDebugSPIConnection(jtag_chain, self), ECP5_JTAGRegisters(jtag_chain)
+        # Use a real debug SPI on r0.1 and r0.2.
+        elif self.major == 0 and self.minor < 3:
+            return None, None
 
-        # Otherwise, we'll want to use a real debug SPI, rather than a JTAG-SPI.
+        # Otherwise, if we have a revision greater than r0.2, our SPI should be via JTAG.
         else:
-            return None, None
+            return ECP5_JTAGDebugSPIConnection(jtag_chain, self), ECP5_JTAGRegisters(jtag_chain)