tg3: Fix 57780 asic rev PCIe link receiver errors

This patch fixes some PCIe link receiver errors by decreasing the internal
electrical idle timeout.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 11 insertions, 2 deletions

diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index b3347c41a1a3..c613cbb40c2d 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -214,9 +214,11 @@
 #define  DUAL_MAC_CTRL_ID                0x00000004
 #define TG3PCI_PRODID_ASICREV           0x000000bc
 #define  PROD_ID_ASIC_REV_MASK           0x0fffffff
-/* 0xc0 --> 0x100 unused */
+/* 0xc0 --> 0x110 unused */
 
-/* 0x100 --> 0x200 unused */
+#define TG3_CORR_ERR_STAT               0x00000110
+#define  TG3_CORR_ERR_STAT_CLEAR        0xffffffff
+/* 0x114 --> 0x200 unused */
 
 /* Mailbox registers */
 #define MAILBOX_INTERRUPT_0             0x00000200 /* 64-bit */
@@ -1696,11 +1698,18 @@
 #define PCIE_TRANSACTION_CFG            0x00007c04
 #define PCIE_TRANS_CFG_1SHOT_MSI         0x20000000
 #define PCIE_TRANS_CFG_LOM               0x00000020
+/* 0x7c08 --> 0x7d28 unused */
 
 #define PCIE_PWR_MGMT_THRESH            0x00007d28
 #define PCIE_PWR_MGMT_L1_THRESH_MSK      0x0000ff00
 #define PCIE_PWR_MGMT_L1_THRESH_4MS      0x0000ff00
 #define PCIE_PWR_MGMT_EXT_ASPM_TMR_EN    0x01000000
+/* 0x7d2c --> 0x7e70 unused */
+
+#define TG3_PCIE_EIDLE_DELAY            0x00007e70
+#define  TG3_PCIE_EIDLE_DELAY_MASK       0x0000001f
+#define  TG3_PCIE_EIDLE_DELAY_13_CLKS    0x0000000c
+/* 0x7e74 --> 0x8000 unused */
 
 
 /* OTP bit definitions */