diff options
Diffstat (limited to 'drivers/net/nfp/nfpcore/nfp6000/nfp_xpb.h')
| -rw-r--r-- | drivers/net/nfp/nfpcore/nfp6000/nfp_xpb.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/net/nfp/nfpcore/nfp6000/nfp_xpb.h b/drivers/net/nfp/nfpcore/nfp6000/nfp_xpb.h new file mode 100644 index 00000000..7ada1bb2 --- /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 */ |