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authorBruce Allan <bruce.w.allan@intel.com>2010-05-05 22:00:06 +0000
committerDavid S. Miller <davem@davemloft.net>2010-05-06 01:31:28 -0700
commit6dfaa76994e5d49a82afb415bbe1362e901b2b95 (patch)
treeab1629de17f4d8763343b6d53ee58a674bb7d2e4 /drivers/net/e1000e/defines.h
parentffb273623bc506d854902a415ef241b79232f93a (diff)
downloadtalos-obmc-linux-6dfaa76994e5d49a82afb415bbe1362e901b2b95.tar.gz
talos-obmc-linux-6dfaa76994e5d49a82afb415bbe1362e901b2b95.zip
e1000e: reset MAC-PHY interconnect on 82577/82578 during Sx->S0
During Sx->S0 transitions, the interconnect between the MAC and PHY on 82577/82578 can remain in SMBus mode instead of transitioning to the PCIe-like mode required during normal operation. Toggling the LANPHYPC Value bit essentially resets the interconnect forcing it to the correct mode. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/e1000e/defines.h')
-rw-r--r--drivers/net/e1000e/defines.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/e1000e/defines.h b/drivers/net/e1000e/defines.h
index e301e26d6897..7f760aa9efe5 100644
--- a/drivers/net/e1000e/defines.h
+++ b/drivers/net/e1000e/defines.h
@@ -214,6 +214,8 @@
#define E1000_CTRL_SPD_1000 0x00000200 /* Force 1Gb */
#define E1000_CTRL_FRCSPD 0x00000800 /* Force Speed */
#define E1000_CTRL_FRCDPX 0x00001000 /* Force Duplex */
+#define E1000_CTRL_LANPHYPC_OVERRIDE 0x00010000 /* SW control of LANPHYPC */
+#define E1000_CTRL_LANPHYPC_VALUE 0x00020000 /* SW value of LANPHYPC */
#define E1000_CTRL_SWDPIN0 0x00040000 /* SWDPIN 0 value */
#define E1000_CTRL_SWDPIN1 0x00080000 /* SWDPIN 1 value */
#define E1000_CTRL_SWDPIO0 0x00400000 /* SWDPIN 0 Input or output */
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