Try insructioin-only cache.

1 files changed, 6 insertions, 4 deletions

diff --git a/c/src/lib/libbsp/m68k/uC5282/network/network.c b/c/src/lib/libbsp/m68k/uC5282/network/network.c
index 85e1a4f81a..a2e700d302 100644
--- a/c/src/lib/libbsp/m68k/uC5282/network/network.c
+++ b/c/src/lib/libbsp/m68k/uC5282/network/network.c
@@ -407,16 +407,18 @@ fec_rxDaemon (void *arg)
             struct ether_header *eh;
             int len = rxBd->length - sizeof(uint32_t);;
 
+            m = sc->rxMbuf[rxBdIndex];
+#ifdef RTEMS_MCF5282_BSP_ENABLE_DATA_CACHE
             /*
-             * Invalidate the cache and push the packet up.
-             * The cache is so small that it's more efficient to just
-             * invalidate the whole thing unless the packet is very small.
+             * Invalidate the cache.  The cache is so small that it's
+             * more efficient to just invalidate the whole thing unless
+             * the packet is very small.
              */
-            m = sc->rxMbuf[rxBdIndex];
             if (len < 128)
                 rtems_cache_invalidate_multiple_data_lines(m->m_data, len);
             else
                 rtems_cache_invalidate_entire_data();
+#endif
             m->m_len = m->m_pkthdr.len = len - sizeof(struct ether_header);
             eh = mtod(m, struct ether_header *);
             m->m_data += sizeof(struct ether_header);