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path: root/drivers/net/e1000e
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Diffstat (limited to 'drivers/net/e1000e')
-rw-r--r--drivers/net/e1000e/es2lan.c8
-rw-r--r--drivers/net/e1000e/hw.h1
2 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/e1000e/es2lan.c b/drivers/net/e1000e/es2lan.c
index f4bbeb22f51f..c0ecb2d9fdb7 100644
--- a/drivers/net/e1000e/es2lan.c
+++ b/drivers/net/e1000e/es2lan.c
@@ -836,6 +836,7 @@ static s32 e1000_init_hw_80003es2lan(struct e1000_hw *hw)
 	struct e1000_mac_info *mac = &hw->mac;
 	u32 reg_data;
 	s32 ret_val;
+	u16 kum_reg_data;
 	u16 i;
 
 	e1000_initialize_hw_bits_80003es2lan(hw);
@@ -861,6 +862,13 @@ static s32 e1000_init_hw_80003es2lan(struct e1000_hw *hw)
 	/* Setup link and flow control */
 	ret_val = e1000e_setup_link(hw);
 
+	/* Disable IBIST slave mode (far-end loopback) */
+	e1000_read_kmrn_reg_80003es2lan(hw, E1000_KMRNCTRLSTA_INBAND_PARAM,
+					&kum_reg_data);
+	kum_reg_data |= E1000_KMRNCTRLSTA_IBIST_DISABLE;
+	e1000_write_kmrn_reg_80003es2lan(hw, E1000_KMRNCTRLSTA_INBAND_PARAM,
+					 kum_reg_data);
+
 	/* Set the transmit descriptor write-back policy */
 	reg_data = er32(TXDCTL(0));
 	reg_data = (reg_data & ~E1000_TXDCTL_WTHRESH) |
diff --git a/drivers/net/e1000e/hw.h b/drivers/net/e1000e/hw.h
index 6c2fa8327f5c..dde584f5ccc7 100644
--- a/drivers/net/e1000e/hw.h
+++ b/drivers/net/e1000e/hw.h
@@ -312,6 +312,7 @@ enum e1e_registers {
 #define E1000_KMRNCTRLSTA_DIAG_OFFSET	0x3    /* Kumeran Diagnostic */
 #define E1000_KMRNCTRLSTA_TIMEOUTS	0x4    /* Kumeran Timeouts */
 #define E1000_KMRNCTRLSTA_INBAND_PARAM	0x9    /* Kumeran InBand Parameters */
+#define E1000_KMRNCTRLSTA_IBIST_DISABLE	0x0200 /* Kumeran IBIST Disable */
 #define E1000_KMRNCTRLSTA_DIAG_NELPBK	0x1000 /* Nearend Loopback mode */
 #define E1000_KMRNCTRLSTA_K1_CONFIG	0x7
 #define E1000_KMRNCTRLSTA_K1_ENABLE	0x0002