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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>
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@ -57,6 +57,13 @@ enum octeon_feature {
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OCTEON_FEATURE_RAID,
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/* Octeon has a builtin USB */
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OCTEON_FEATURE_USB,
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/* Octeon IPD can run without using work queue entries */
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OCTEON_FEATURE_NO_WPTR,
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/* Octeon has DFA state machines */
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OCTEON_FEATURE_DFA,
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/* Octeon MDIO block supports clause 45 transactions for 10
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* Gig support */
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OCTEON_FEATURE_MDIO_CLAUSE_45,
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};
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static inline int cvmx_fuse_read(int fuse);
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@ -112,6 +119,26 @@ static inline int octeon_has_feature(enum octeon_feature feature)
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case OCTEON_FEATURE_USB:
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return !(OCTEON_IS_MODEL(OCTEON_CN38XX)
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|| OCTEON_IS_MODEL(OCTEON_CN58XX));
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case OCTEON_FEATURE_NO_WPTR:
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return (OCTEON_IS_MODEL(OCTEON_CN56XX)
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|| OCTEON_IS_MODEL(OCTEON_CN52XX))
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&& !OCTEON_IS_MODEL(OCTEON_CN56XX_PASS1_X)
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&& !OCTEON_IS_MODEL(OCTEON_CN52XX_PASS1_X);
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case OCTEON_FEATURE_DFA:
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if (!OCTEON_IS_MODEL(OCTEON_CN38XX)
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&& !OCTEON_IS_MODEL(OCTEON_CN31XX)
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&& !OCTEON_IS_MODEL(OCTEON_CN58XX))
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return 0;
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else if (OCTEON_IS_MODEL(OCTEON_CN3020))
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return 0;
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else if (OCTEON_IS_MODEL(OCTEON_CN38XX_PASS1))
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return 1;
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else
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return !cvmx_fuse_read(120);
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case OCTEON_FEATURE_MDIO_CLAUSE_45:
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return !(OCTEON_IS_MODEL(OCTEON_CN3XXX)
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|| OCTEON_IS_MODEL(OCTEON_CN58XX)
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|| OCTEON_IS_MODEL(OCTEON_CN50XX));
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}
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return 0;
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}
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