mpc83xx: add support for the vitesse 8601 phy

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19669 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/mpc83xx/patches-2.6.32/100-vitesse_8601.patch b/target/linux/mpc83xx/patches-2.6.32/100-vitesse_8601.patch
new file mode 100644 (file)
index 0000000..0eb2880
--- /dev/null
+++ b/target/linux/mpc83xx/patches-2.6.32/100-vitesse_8601.patch
@@ -0,0 +1,116 @@
+--- a/drivers/net/phy/Kconfig
++++ b/drivers/net/phy/Kconfig
+@@ -51,6 +51,12 @@ config VITESSE_PHY
+         ---help---
+           Currently supports the vsc8244
+ 
++config VITESSE_PHY_8601_SKEW
++      bool "Enable skew timing to vsc8601"
++      depends on VITESSE_PHY
++      ---help---
++        Apply clock timing adjustments for vsc8601
++
+ config SMSC_PHY
+       tristate "Drivers for SMSC PHYs"
+       ---help---
+--- a/drivers/net/phy/vitesse.c
++++ b/drivers/net/phy/vitesse.c
+@@ -26,6 +26,11 @@
+ #define MII_VSC8244_EXTCON1_TX_SKEW   0x0800
+ #define MII_VSC8244_EXTCON1_RX_SKEW   0x0200
+ 
++/* EXT_CON1 Register values for VSC8601 */
++#define MII_VSC8601_EXTCON1_INIT       0x0000
++#define MII_VSC8601_EXTCON1_SKEW       0x0100
++#define MII_VSC8601_EXTCON1_ACTIPHY    0x0020
++
+ /* Vitesse Interrupt Mask Register */
+ #define MII_VSC8244_IMASK             0x19
+ #define MII_VSC8244_IMASK_IEN         0x8000
+@@ -88,6 +93,30 @@ static int vsc824x_config_init(struct ph
+       return err;
+ }
+ 
++static int vsc8601_config_init(struct phy_device *phydev)
++{
++      int err;
++      int extcon;
++
++      err = phy_write(phydev, MII_VSC8244_AUX_CONSTAT,
++                                      MII_VSC8244_AUXCONSTAT_INIT);
++
++      if (err < 0)
++              return err;
++
++#ifdef CONFIG_VITESSE_PHY_8601_SKEW
++      extcon = phy_read(phydev, MII_VSC8244_EXT_CON1);
++      if (err < 0)
++              return err;
++
++      extcon |= MII_VSC8601_EXTCON1_SKEW;
++
++      err = phy_write(phydev, MII_VSC8244_EXT_CON1, extcon);
++#endif
++
++      return err;
++}
++
+ static int vsc824x_ack_interrupt(struct phy_device *phydev)
+ {
+       int err = 0;
+@@ -143,6 +172,21 @@ static struct phy_driver vsc8244_driver 
+       .driver         = { .owner = THIS_MODULE,},
+ };
+ 
++/* Vitesse 8601 */
++static struct phy_driver vsc8601_driver = {
++      .phy_id         = 0x00070420,
++      .name           = "Vitesse VSC8601",
++      .phy_id_mask    = 0x000ffff8,
++      .features       = PHY_GBIT_FEATURES,
++      .flags          = PHY_HAS_INTERRUPT,
++      .config_init    = &vsc8601_config_init,
++      .config_aneg    = &genphy_config_aneg,
++      .read_status    = &genphy_read_status,
++      .ack_interrupt  = &vsc824x_ack_interrupt,
++      .config_intr    = &vsc82xx_config_intr,
++      .driver         = { .owner = THIS_MODULE,},
++};
++
+ static int vsc8221_config_init(struct phy_device *phydev)
+ {
+       int err;
+@@ -176,10 +220,23 @@ static int __init vsc82xx_init(void)
+ 
+       err = phy_driver_register(&vsc8244_driver);
+       if (err < 0)
+-              return err;
++              goto err;
++
+       err = phy_driver_register(&vsc8221_driver);
+       if (err < 0)
+-              phy_driver_unregister(&vsc8244_driver);
++              goto err1;
++
++      err = phy_driver_register(&vsc8601_driver);
++      if (err < 0)
++              goto err2;
++
++      return 0;
++
++err2:
++      phy_driver_unregister(&vsc8221_driver);
++err1:
++      phy_driver_unregister(&vsc8244_driver);
++err:
+       return err;
+ }
+ 
+@@ -187,6 +244,7 @@ static void __exit vsc82xx_exit(void)
+ {
+       phy_driver_unregister(&vsc8244_driver);
+       phy_driver_unregister(&vsc8221_driver);
++      phy_driver_unregister(&vsc8601_driver);
+ }
+ 
+ module_init(vsc82xx_init);