target/linux/cavium-octeon/patches/009-more_chip_specific_feature_tests.patch

   1 The octeon-ethernet driver needs to check for additional chip specific
   2 features, we add them to the octeon_has_feature() framework.
   3
   4 Signed-off-by: David Daney <ddaney@caviumnetworks.com>
   5 ---
   6  arch/mips/include/asm/octeon/octeon-feature.h |   27 +++++++++++++++++++++++++
   7  1 files changed, 27 insertions(+), 0 deletions(-)
   8
   9 diff --git a/arch/mips/include/asm/octeon/octeon-feature.h b/arch/mips/include/asm/octeon/octeon-feature.h
  10 index 04fac68..ef24a7b 100644
  11 --- a/arch/mips/include/asm/octeon/octeon-feature.h
  12 +++ b/arch/mips/include/asm/octeon/octeon-feature.h
  13 @@ -57,6 +57,13 @@ enum octeon_feature {
  14         OCTEON_FEATURE_RAID,
  15         /* Octeon has a builtin USB */
  16         OCTEON_FEATURE_USB,
  17 +       /* Octeon IPD can run without using work queue entries */
  18 +       OCTEON_FEATURE_NO_WPTR,
  19 +       /* Octeon has DFA state machines */
  20 +       OCTEON_FEATURE_DFA,
  21 +       /* Octeon MDIO block supports clause 45 transactions for 10
  22 +        * Gig support */
  23 +       OCTEON_FEATURE_MDIO_CLAUSE_45,
  24  };
  25
  26  static inline int cvmx_fuse_read(int fuse);
  27 @@ -112,6 +119,26 @@ static inline int octeon_has_feature(enum octeon_feature feature)
  28         case OCTEON_FEATURE_USB:
  29                 return !(OCTEON_IS_MODEL(OCTEON_CN38XX)
  30                          || OCTEON_IS_MODEL(OCTEON_CN58XX));
  31 +       case OCTEON_FEATURE_NO_WPTR:
  32 +               return (OCTEON_IS_MODEL(OCTEON_CN56XX)
  33 +                        || OCTEON_IS_MODEL(OCTEON_CN52XX))
  34 +                       && !OCTEON_IS_MODEL(OCTEON_CN56XX_PASS1_X)
  35 +                       && !OCTEON_IS_MODEL(OCTEON_CN52XX_PASS1_X);
  36 +       case OCTEON_FEATURE_DFA:
  37 +               if (!OCTEON_IS_MODEL(OCTEON_CN38XX)
  38 +                   && !OCTEON_IS_MODEL(OCTEON_CN31XX)
  39 +                   && !OCTEON_IS_MODEL(OCTEON_CN58XX))
  40 +                       return 0;
  41 +               else if (OCTEON_IS_MODEL(OCTEON_CN3020))
  42 +                       return 0;
  43 +               else if (OCTEON_IS_MODEL(OCTEON_CN38XX_PASS1))
  44 +                       return 1;
  45 +               else
  46 +                       return !cvmx_fuse_read(120);
  47 +       case OCTEON_FEATURE_MDIO_CLAUSE_45:
  48 +               return !(OCTEON_IS_MODEL(OCTEON_CN3XXX)
  49 +                        || OCTEON_IS_MODEL(OCTEON_CN58XX)
  50 +                        || OCTEON_IS_MODEL(OCTEON_CN50XX));
  51         }
  52         return 0;
  53  }
  54 --
  55 1.6.0.6
  56