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@xxxxxxxxxxxxxxxxxx>
---
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 04fac68..ef24a7b 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;
}
--
1.6.0.6
