[dpdk-dev] [PATCH 12/37] ixgbe/base: add macro for x550em bus speed fuse

Wenzhuo Lu wenzhuo.lu at intel.com
Wed Jun 24 05:26:01 CEST 2015


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



More information about the dev mailing list