x550em has two different bus speeds, 300 MHz and 400 MHz. A bit in a fuse register tells which it is, with a 1 meaning the bus is running at 300 MHz.
Signed-off-by: Wenzhuo Lu <wenzhuo.lu at intel.com> --- drivers/net/ixgbe/base/ixgbe_type.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ixgbe/base/ixgbe_type.h b/drivers/net/ixgbe/base/ixgbe_type.h index de73172..c87b6a0 100644 --- a/drivers/net/ixgbe/base/ixgbe_type.h +++ b/drivers/net/ixgbe/base/ixgbe_type.h @@ -3832,6 +3832,8 @@ struct ixgbe_hw { #define IXGBE_NOT_IMPLEMENTED 0x7FFFFFFF +#define IXGBE_FUSES0_GROUP(_i) (0x11158 + ((_i) * 4)) +#define IXGBE_FUSES0_300MHZ (1 << 5) #define IXGBE_KRM_PORT_CAR_GEN_CTRL(P) ((P == 0) ? (0x4010) : (0x8010)) #define IXGBE_KRM_LINK_CTRL_1(P) ((P == 0) ? (0x420C) : (0x820C)) -- 1.9.3