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authorNick Nunley <nicholas.d.nunley@intel.com>2010-07-26 13:15:29 +0000
committerDavid S. Miller <davem@davemloft.net>2010-07-26 18:42:53 -0700
commit08451e2587dc8d8c34cbbb8edc88a6e4fa8946e6 (patch)
tree174521b973af9dfe97ad627e614a01b64a778bbb /drivers/net/igb/e1000_defines.h
parent4085f746db1b7d6b292cf27cc713a13a1fcb2681 (diff)
igb: restore EEPROM values of MDICNFG on reset with 82580
On a reset the MDICNFG.Destination and MDICNFG.COM_MDIO register fields are not restored to the EEPROM default. This patch modifies the reset code to read the EEPROM and restore the default values. Signed-off-by: Nicholas Nunley <nicholas.d.nunley@intel.com> Tested-by: Jeff Pieper <jeffrey.e.pieper@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/igb/e1000_defines.h')
-rw-r--r--drivers/net/igb/e1000_defines.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/igb/e1000_defines.h b/drivers/net/igb/e1000_defines.h
index 1d4767f5f11..bbd2ec308eb 100644
--- a/drivers/net/igb/e1000_defines.h
+++ b/drivers/net/igb/e1000_defines.h
@@ -570,6 +570,10 @@
#define NVM_82580_LAN_FUNC_OFFSET(a) (a ? (0x40 + (0x40 * a)) : 0)
+/* Mask bits for fields in Word 0x24 of the NVM */
+#define NVM_WORD24_COM_MDIO 0x0008 /* MDIO interface shared */
+#define NVM_WORD24_EXT_MDIO 0x0004 /* MDIO accesses routed external */
+
/* Mask bits for fields in Word 0x0f of the NVM */
#define NVM_WORD0F_PAUSE_MASK 0x3000
#define NVM_WORD0F_ASM_DIR 0x2000