1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
2 /* Copyright (C) 2015-2017 Netronome Systems, Inc. */
3 
4 /*
5  * nfp_xpb.h
6  * Author: Jason McMullan <jason.mcmullan@netronome.com>
7  */
8 
9 #ifndef NFP6000_XPB_H
10 #define NFP6000_XPB_H
11 
12 /* For use with NFP6000 Databook "XPB Addressing" section
13  */
14 #define NFP_XPB_OVERLAY(island)  (((island) & 0x3f) << 24)
15 
16 #define NFP_XPB_ISLAND(island)   (NFP_XPB_OVERLAY(island) + 0x60000)
17 
18 #define NFP_XPB_ISLAND_of(offset) (((offset) >> 24) & 0x3F)
19 
20 /* For use with NFP6000 Databook "XPB Island and Device IDs" chapter
21  */
22 #define NFP_XPB_DEVICE(island, slave, device) \
23 	(NFP_XPB_OVERLAY(island) | \
24 	 (((slave) & 3) << 22) | \
25 	 (((device) & 0x3f) << 16))
26 
27 #endif /* NFP6000_XPB_H */
28