mpc83xx: add support for the vitesse 8601 phy

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

1 files changed, 116 insertions, 0 deletions

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
index 000000000..0eb2880f9
--- /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);