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| author | David Daney <ddaney@caviumnetworks.com> | 2009-05-06 02:35:19 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2009-06-17 12:06:29 +0200 |
| commit | f1f1f5902be0cec3b5026610f360cd471765c157 (patch) | |
| tree | 6e17e8a538a667d983382ed13ff62c07eafaaf94 /arch/mips | |
| parent | MIPS: Cavium-Octeon: Add more board type constants. (diff) | |
| download | linux-f1f1f5902be0cec3b5026610f360cd471765c157.tar.xz linux-f1f1f5902be0cec3b5026610f360cd471765c157.zip | |
MIPS: Cavium-Octeon: Add more chip specific feature tests.
The octeon-ethernet driver needs to check for additional chip specific
features, we add them to the octeon_has_feature() framework.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/include/asm/octeon/octeon-feature.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/mips/include/asm/octeon/octeon-feature.h b/arch/mips/include/asm/octeon/octeon-feature.h index 04fac684069c..ef24a7b4ea57 100644 --- a/arch/mips/include/asm/octeon/octeon-feature.h +++ b/arch/mips/include/asm/octeon/octeon-feature.h @@ -57,6 +57,13 @@ enum octeon_feature { OCTEON_FEATURE_RAID, /* Octeon has a builtin USB */ OCTEON_FEATURE_USB, + /* Octeon IPD can run without using work queue entries */ + OCTEON_FEATURE_NO_WPTR, + /* Octeon has DFA state machines */ + OCTEON_FEATURE_DFA, + /* Octeon MDIO block supports clause 45 transactions for 10 + * Gig support */ + OCTEON_FEATURE_MDIO_CLAUSE_45, }; static inline int cvmx_fuse_read(int fuse); @@ -112,6 +119,26 @@ static inline int octeon_has_feature(enum octeon_feature feature) case OCTEON_FEATURE_USB: return !(OCTEON_IS_MODEL(OCTEON_CN38XX) || OCTEON_IS_MODEL(OCTEON_CN58XX)); + case OCTEON_FEATURE_NO_WPTR: + return (OCTEON_IS_MODEL(OCTEON_CN56XX) + || OCTEON_IS_MODEL(OCTEON_CN52XX)) + && !OCTEON_IS_MODEL(OCTEON_CN56XX_PASS1_X) + && !OCTEON_IS_MODEL(OCTEON_CN52XX_PASS1_X); + case OCTEON_FEATURE_DFA: + if (!OCTEON_IS_MODEL(OCTEON_CN38XX) + && !OCTEON_IS_MODEL(OCTEON_CN31XX) + && !OCTEON_IS_MODEL(OCTEON_CN58XX)) + return 0; + else if (OCTEON_IS_MODEL(OCTEON_CN3020)) + return 0; + else if (OCTEON_IS_MODEL(OCTEON_CN38XX_PASS1)) + return 1; + else + return !cvmx_fuse_read(120); + case OCTEON_FEATURE_MDIO_CLAUSE_45: + return !(OCTEON_IS_MODEL(OCTEON_CN3XXX) + || OCTEON_IS_MODEL(OCTEON_CN58XX) + || OCTEON_IS_MODEL(OCTEON_CN50XX)); } return 0; } |