r8169: add a new 8168cp flavor

Taken from Realtek's 8.006.00 r8168 driver.

I have left some bits related to jumbo frame aside for now.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Edward Hsu <edward_hsu@realtek.com.tw>

1 files changed, 43 insertions, 6 deletions

diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 9a0d4e631afe..775dc84336bb 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -111,7 +111,8 @@ enum mac_version {
         RTL_GIGA_MAC_VER_19 = 0x13, // 8168C
         RTL_GIGA_MAC_VER_20 = 0x14, // 8168C
         RTL_GIGA_MAC_VER_21 = 0x15, // 8168C
-        RTL_GIGA_MAC_VER_22 = 0x16  // 8168C
+        RTL_GIGA_MAC_VER_22 = 0x16, // 8168C
+        RTL_GIGA_MAC_VER_23 = 0x17  // 8168CP
 };
 
 #define _R(NAME,MAC,MASK) \
@@ -143,7 +144,8 @@ static const struct {
         _R("RTL8168c/8111c",    RTL_GIGA_MAC_VER_19, 0xff7e1880), // PCI-E
         _R("RTL8168c/8111c",    RTL_GIGA_MAC_VER_20, 0xff7e1880), // PCI-E
         _R("RTL8168c/8111c",    RTL_GIGA_MAC_VER_21, 0xff7e1880), // PCI-E
-        _R("RTL8168c/8111c",    RTL_GIGA_MAC_VER_22, 0xff7e1880)  // PCI-E
+        _R("RTL8168c/8111c",    RTL_GIGA_MAC_VER_22, 0xff7e1880), // PCI-E
+        _R("RTL8168cp/8111cp",  RTL_GIGA_MAC_VER_23, 0xff7e1880)  // PCI-E
 };
 #undef _R
 
@@ -1221,6 +1223,7 @@ static void rtl8169_get_mac_version(struct rtl8169_private *tp,
                 int mac_version;
         } mac_info[] = {
                 /* 8168B family. */
+                { 0x7cf00000, 0x3c900000,       RTL_GIGA_MAC_VER_23 },
                 { 0x7c800000, 0x3c800000,       RTL_GIGA_MAC_VER_18 },
                 { 0x7cf00000, 0x3c000000,       RTL_GIGA_MAC_VER_19 },
                 { 0x7cf00000, 0x3c200000,       RTL_GIGA_MAC_VER_20 },
@@ -1380,7 +1383,7 @@ static void rtl8168bef_hw_phy_config(void __iomem *ioaddr)
         rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
 }
 
-static void rtl8168cp_hw_phy_config(void __iomem *ioaddr)
+static void rtl8168cp_1_hw_phy_config(void __iomem *ioaddr)
 {
         struct phy_reg phy_reg_init[] = {
                 { 0x1f, 0x0000 },
@@ -1393,6 +1396,21 @@ static void rtl8168cp_hw_phy_config(void __iomem *ioaddr)
         rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
 }
 
+static void rtl8168cp_2_hw_phy_config(void __iomem *ioaddr)
+{
+        struct phy_reg phy_reg_init[] = {
+                { 0x1f, 0x0001 },
+                { 0x1d, 0x3d98 },
+                { 0x1f, 0x0000 }
+        };
+
+        mdio_write(ioaddr, 0x1f, 0x0000);
+        mdio_patch(ioaddr, 0x14, 1 << 5);
+        mdio_patch(ioaddr, 0x0d, 1 << 5);
+
+        rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
+}
+
 static void rtl8168c_1_hw_phy_config(void __iomem *ioaddr)
 {
         struct phy_reg phy_reg_init[] = {
@@ -1525,7 +1543,7 @@ static void rtl_hw_phy_config(struct net_device *dev)
                 rtl8168bef_hw_phy_config(ioaddr);
                 break;
         case RTL_GIGA_MAC_VER_18:
-                rtl8168cp_hw_phy_config(ioaddr);
+                rtl8168cp_1_hw_phy_config(ioaddr);
                 break;
         case RTL_GIGA_MAC_VER_19:
                 rtl8168c_1_hw_phy_config(ioaddr);
@@ -1539,6 +1557,10 @@ static void rtl_hw_phy_config(struct net_device *dev)
         case RTL_GIGA_MAC_VER_22:
                 rtl8168c_4_hw_phy_config(ioaddr);
                 break;
+        case RTL_GIGA_MAC_VER_23:
+                rtl8168cp_2_hw_phy_config(ioaddr);
+                break;
+
         default:
                 break;
         }
@@ -2481,7 +2503,7 @@ static void __rtl_hw_start_8168cp(void __iomem *ioaddr, struct pci_dev *pdev)
         RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
 }
 
-static void rtl_hw_start_8168cp(void __iomem *ioaddr, struct pci_dev *pdev)
+static void rtl_hw_start_8168cp_1(void __iomem *ioaddr, struct pci_dev *pdev)
 {
         static struct ephy_info e_info_8168cp[] = {
                 { 0x01, 0,      0x0001 },
@@ -2498,6 +2520,17 @@ static void rtl_hw_start_8168cp(void __iomem *ioaddr, struct pci_dev *pdev)
         __rtl_hw_start_8168cp(ioaddr, pdev);
 }
 
+static void rtl_hw_start_8168cp_2(void __iomem *ioaddr, struct pci_dev *pdev)
+{
+        rtl_csi_access_enable(ioaddr);
+
+        RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
+
+        rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
+
+        RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
+}
+
 static void rtl_hw_start_8168c_1(void __iomem *ioaddr, struct pci_dev *pdev)
 {
         static struct ephy_info e_info_8168c_1[] = {
@@ -2585,7 +2618,7 @@ static void rtl_hw_start_8168(struct net_device *dev)
         break;
 
         case RTL_GIGA_MAC_VER_18:
-                rtl_hw_start_8168cp(ioaddr, pdev);
+                rtl_hw_start_8168cp_1(ioaddr, pdev);
         break;
 
         case RTL_GIGA_MAC_VER_19:
@@ -2604,6 +2637,10 @@ static void rtl_hw_start_8168(struct net_device *dev)
                 rtl_hw_start_8168c_4(ioaddr, pdev);
         break;
 
+        case RTL_GIGA_MAC_VER_23:
+                rtl_hw_start_8168cp_2(ioaddr, pdev);
+        break;
+
         default:
                 printk(KERN_ERR PFX "%s: unknown chipset (mac_version = %d).\n",
                         dev->name, tp->mac_version);