New upstream version 18.08

[deb_dpdk.git] / drivers / net / nfp / nfpcore / nfp6000 / nfp_xpb.h

diff --git a/drivers/net/nfp/nfpcore/nfp6000/nfp_xpb.h b/drivers/net/nfp/nfpcore/nfp6000/nfp_xpb.h
new file mode 100644 (file)
index 0000000..7ada1bb
--- /dev/null
+++ b/drivers/net/nfp/nfpcore/nfp6000/nfp_xpb.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Netronome Systems, Inc.
+ * All rights reserved.
+ */
+
+#ifndef __NFP_XPB_H__
+#define __NFP_XPB_H__
+
+/*
+ * For use with NFP6000 Databook "XPB Addressing" section
+ */
+#define NFP_XPB_OVERLAY(island)  (((island) & 0x3f) << 24)
+
+#define NFP_XPB_ISLAND(island)   (NFP_XPB_OVERLAY(island) + 0x60000)
+
+#define NFP_XPB_ISLAND_of(offset) (((offset) >> 24) & 0x3F)
+
+/*
+ * For use with NFP6000 Databook "XPB Island and Device IDs" chapter
+ */
+#define NFP_XPB_DEVICE(island, slave, device) \
+                               (NFP_XPB_OVERLAY(island) | \
+                                (((slave) & 3) << 22) | \
+                                (((device) & 0x3f) << 16))
+
+#endif /* NFP_XPB_H */