SPI: TEMP HACK do not merge!

Hard code 3-cycle synchronizer for SPI input without Pinmux.

diff --git a/src/main/scala/devices/spi/SPIPeriphery.scala b/src/main/scala/devices/spi/SPIPeriphery.scala
index 1509ea73c7a38bfae1cb3e3182a8ee4f2aad9636..229559e956354b330edf97480166d7ea6f6f0a7d 100644 (file)
--- a/src/main/scala/devices/spi/SPIPeriphery.scala
+++ b/src/main/scala/devices/spi/SPIPeriphery.scala
@@ -56,4 +56,8 @@ trait HasPeripherySPIFlashModule extends HasTopLevelNetworksModule {
   val outer: HasPeripherySPIFlash
   val io: HasPeripherySPIFlashBundle
   io.qspi <> outer.qspi.module.io.port
+  //HACK -- introduce delay elements to synchronize these inputs.
+  (io.qspi.dq zip outer.qspi.module.io.port.dq).foreach{ case (i, o) => 
+    o.i := ShiftRegister(i.i, 3)
+  }
 }