drivers/net/ethernet/netronome/nfp/nfpcore/nfp6000/nfp6000.h

   1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
   2 /* Copyright (C) 2015-2017 Netronome Systems, Inc. */
   3
   4 #ifndef NFP6000_NFP6000_H
   5 #define NFP6000_NFP6000_H
   6
   7 #include <linux/errno.h>
   8 #include <linux/types.h>
   9
  10 /* CPP Target IDs */
  11 #define NFP_CPP_TARGET_INVALID          0
  12 #define NFP_CPP_TARGET_NBI              1
  13 #define NFP_CPP_TARGET_QDR              2
  14 #define NFP_CPP_TARGET_ILA              6
  15 #define NFP_CPP_TARGET_MU               7
  16 #define NFP_CPP_TARGET_PCIE             9
  17 #define NFP_CPP_TARGET_ARM              10
  18 #define NFP_CPP_TARGET_CRYPTO           12
  19 #define NFP_CPP_TARGET_ISLAND_XPB       14      /* Shared with CAP */
  20 #define NFP_CPP_TARGET_ISLAND_CAP       14      /* Shared with XPB */
  21 #define NFP_CPP_TARGET_CT_XPB           14
  22 #define NFP_CPP_TARGET_LOCAL_SCRATCH    15
  23 #define NFP_CPP_TARGET_CLS              NFP_CPP_TARGET_LOCAL_SCRATCH
  24
  25 #define NFP_ISL_EMEM0                   24
  26
  27 #define NFP_MU_ADDR_ACCESS_TYPE_MASK    3ULL
  28 #define NFP_MU_ADDR_ACCESS_TYPE_DIRECT  2ULL
  29
  30 #define PUSHPULL(_pull, _push)          ((_pull) << 4 | (_push) << 0)
  31 #define PUSH_WIDTH(_pushpull)           pushpull_width((_pushpull) >> 0)
  32 #define PULL_WIDTH(_pushpull)           pushpull_width((_pushpull) >> 4)
  33
  34 static inline int pushpull_width(int pp)
  35 {
  36         pp &= 0xf;
  37
  38         if (pp == 0)
  39                 return -EINVAL;
  40         return 2 << pp;
  41 }
  42
  43 static inline int nfp_cppat_mu_locality_lsb(int mode, bool addr40)
  44 {
  45         switch (mode) {
  46         case 0 ... 3:
  47                 return addr40 ? 38 : 30;
  48         default:
  49                 return -EINVAL;
  50         }
  51 }
  52
  53 int nfp_target_pushpull(u32 cpp_id, u64 address);
  54 int nfp_target_cpp(u32 cpp_island_id, u64 cpp_island_address,
  55                    u32 *cpp_target_id, u64 *cpp_target_address,
  56                    const u32 *imb_table);
  57
  58 #endif /* NFP6000_NFP6000_H */