diff options
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/nfpcore/nfp6000/nfp_xpb.h')
-rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfpcore/nfp6000/nfp_xpb.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp6000/nfp_xpb.h b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp6000/nfp_xpb.h new file mode 100644 index 000000000000..40fb19939505 --- /dev/null +++ b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp6000/nfp_xpb.h @@ -0,0 +1,57 @@ +/* + * Copyright (C) 2015-2017 Netronome Systems, Inc. + * + * This software is dual licensed under the GNU General License Version 2, + * June 1991 as shown in the file COPYING in the top-level directory of this + * source tree or the BSD 2-Clause License provided below. You have the + * option to license this software under the complete terms of either license. + * + * The BSD 2-Clause License: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * 1. Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* + * nfp_xpb.h + * Author: Jason McMullan <jason.mcmullan@netronome.com> + */ + +#ifndef NFP6000_XPB_H +#define NFP6000_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 /* NFP6000_XPB_H */ |