1 /*
2 * Copyright (C) 2015-2017 Netronome Systems, Inc.
3 *
4 * This software is dual licensed under the GNU General License Version 2,
5 * June 1991 as shown in the file COPYING in the top-level directory of this
6 * source tree or the BSD 2-Clause License provided below. You have the
7 * option to license this software under the complete terms of either license.
8 *
9 * The BSD 2-Clause License:
10 *
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
13 * conditions are met:
14 *
15 * 1. Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
17 * disclaimer.
18 *
19 * 2. Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials
22 * provided with the distribution.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 * SOFTWARE.
32 */
33
34 #ifndef NFP6000_NFP6000_H
35 #define NFP6000_NFP6000_H
36
37 #include <linux/errno.h>
38 #include <linux/types.h>
39
40 /* CPP Target IDs */
41 #define NFP_CPP_TARGET_INVALID 0
42 #define NFP_CPP_TARGET_NBI 1
43 #define NFP_CPP_TARGET_QDR 2
44 #define NFP_CPP_TARGET_ILA 6
45 #define NFP_CPP_TARGET_MU 7
46 #define NFP_CPP_TARGET_PCIE 9
47 #define NFP_CPP_TARGET_ARM 10
48 #define NFP_CPP_TARGET_CRYPTO 12
49 #define NFP_CPP_TARGET_ISLAND_XPB 14 /* Shared with CAP */
50 #define NFP_CPP_TARGET_ISLAND_CAP 14 /* Shared with XPB */
51 #define NFP_CPP_TARGET_CT_XPB 14
52 #define NFP_CPP_TARGET_LOCAL_SCRATCH 15
53 #define NFP_CPP_TARGET_CLS NFP_CPP_TARGET_LOCAL_SCRATCH
54
55 #define NFP_ISL_EMEM0 24
56
57 #define NFP_MU_ADDR_ACCESS_TYPE_MASK 3ULL
58 #define NFP_MU_ADDR_ACCESS_TYPE_DIRECT 2ULL
59
60 #define PUSHPULL(_pull, _push) ((_pull) << 4 | (_push) << 0)
61 #define PUSH_WIDTH(_pushpull) pushpull_width((_pushpull) >> 0)
62 #define PULL_WIDTH(_pushpull) pushpull_width((_pushpull) >> 4)
63
pushpull_width(int pp)64 static inline int pushpull_width(int pp)
65 {
66 pp &= 0xf;
67
68 if (pp == 0)
69 return -EINVAL;
70 return 2 << pp;
71 }
72
nfp_cppat_mu_locality_lsb(int mode,bool addr40)73 static inline int nfp_cppat_mu_locality_lsb(int mode, bool addr40)
74 {
75 switch (mode) {
76 case 0 ... 3:
77 return addr40 ? 38 : 30;
78 default:
79 return -EINVAL;
80 }
81 }
82
83 int nfp_target_pushpull(u32 cpp_id, u64 address);
84 int nfp_target_cpp(u32 cpp_island_id, u64 cpp_island_address,
85 u32 *cpp_target_id, u64 *cpp_target_address,
86 const u32 *imb_table);
87
88 #endif /* NFP6000_NFP6000_H */
89
