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[ixp4xx] experimental multiphy support for 2.6.29

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15491 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg 2009-04-29 20:31:27 +00:00
parent 411b1f3f86
commit 0ae049b500
7 changed files with 394 additions and 20 deletions
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0
target/linux/ixp4xx/patches-2.6.29/204-npe_driver_ixp43x_support.patch → target/linux/ixp4xx/patches-2.6.29/202-npe_driver_ixp43x_support.patch
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20
target/linux/ixp4xx/patches-2.6.29/202-npe_driver_switch_support.patch
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@ -1,20 +0,0 @@
TODO: take care of additional PHYs through the PHY abstraction layer
--- a/arch/arm/mach-ixp4xx/include/mach/platform.h
+++ b/arch/arm/mach-ixp4xx/include/mach/platform.h
@@ -95,12 +95,15 @@ struct sys_timer;
#define IXP4XX_ETH_NPEB 0x10
#define IXP4XX_ETH_NPEC 0x20
+#define IXP4XX_ETH_PHY_MAX_ADDR 32
+
/* Information about built-in Ethernet MAC interfaces */
struct eth_plat_info {
u8 phy; /* MII PHY ID, 0 - 31 */
u8 rxq; /* configurable, currently 0 - 31 only */
u8 txreadyq;
u8 hwaddr[6];
+ u32 phy_mask;
};
/* Information about built-in HSS (synchronous serial) interfaces */

13
target/linux/ixp4xx/patches-2.6.29/203-npe_driver_mask_phy_features.patch Normal file
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@ -0,0 +1,13 @@
--- a/drivers/net/arm/ixp4xx_eth.c
+++ b/drivers/net/arm/ixp4xx_eth.c
@@ -1218,6 +1218,10 @@ static int __devinit eth_init_one(struct
return PTR_ERR(port->phydev);
}
+ /* mask with MAC supported features */
+ port->phydev->supported &= PHY_BASIC_FEATURES;
+ port->phydev->advertising = port->phydev->supported;
+
port->phydev->irq = PHY_POLL;
printk(KERN_INFO "%s: MII PHY %i on %s\n", dev->name, plat->phy,

10
target/linux/ixp4xx/patches-2.6.29/204-npe_driver_add_missing_phy_disconnect.patch Normal file
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@ -0,0 +1,10 @@
--- a/drivers/net/arm/ixp4xx_eth.c
+++ b/drivers/net/arm/ixp4xx_eth.c
@@ -1243,6 +1243,7 @@ static int __devexit eth_remove_one(stru
struct net_device *dev = platform_get_drvdata(pdev);
struct port *port = netdev_priv(dev);
+ phy_disconnect(port->phydev);
unregister_netdev(dev);
npe_port_tab[NPE_ID(port->id)] = NULL;
platform_set_drvdata(pdev, NULL);

118
target/linux/ixp4xx/patches-2.6.29/205-npe_driver_separate_phy_functions.patch Normal file
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@ -0,0 +1,118 @@
--- a/drivers/net/arm/ixp4xx_eth.c
+++ b/drivers/net/arm/ixp4xx_eth.c
@@ -394,6 +394,53 @@ static void ixp4xx_adjust_link(struct ne
dev->name, port->speed, port->duplex ? "full" : "half");
}
+static int ixp4xx_phy_connect(struct net_device *dev)
+{
+ struct port *port = netdev_priv(dev);
+ struct eth_plat_info *plat = port->plat;
+ char phy_id[BUS_ID_SIZE];
+
+ snprintf(phy_id, BUS_ID_SIZE, PHY_ID_FMT, "0", plat->phy);
+ port->phydev = phy_connect(dev, phy_id, &ixp4xx_adjust_link, 0,
+ PHY_INTERFACE_MODE_MII);
+ if (IS_ERR(port->phydev)) {
+ printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name);
+ return PTR_ERR(port->phydev);
+ }
+
+ /* mask with MAC supported features */
+ port->phydev->supported &= PHY_BASIC_FEATURES;
+ port->phydev->advertising = port->phydev->supported;
+
+ port->phydev->irq = PHY_POLL;
+
+ printk(KERN_INFO "%s: MII PHY %i on %s\n", dev->name, plat->phy,
+ npe_name(port->npe));
+
+ return 0;
+}
+
+static void ixp4xx_phy_disconnect(struct net_device *dev)
+{
+ struct port *port = netdev_priv(dev);
+
+ phy_disconnect(port->phydev);
+}
+
+static void ixp4xx_phy_start(struct net_device *dev)
+{
+ struct port *port = netdev_priv(dev);
+
+ port->speed = 0; /* force "link up" message */
+ phy_start(port->phydev);
+}
+
+static void ixp4xx_phy_stop(struct net_device *dev)
+{
+ struct port *port = netdev_priv(dev);
+
+ phy_stop(port->phydev);
+}
static inline void debug_pkt(struct net_device *dev, const char *func,
u8 *data, int len)
@@ -1001,8 +1048,7 @@ static int eth_open(struct net_device *d
return err;
}
- port->speed = 0; /* force "link up" message */
- phy_start(port->phydev);
+ ixp4xx_phy_start(dev);
for (i = 0; i < ETH_ALEN; i++)
__raw_writel(dev->dev_addr[i], &port->regs->hw_addr[i]);
@@ -1123,7 +1169,7 @@ static int eth_close(struct net_device *
printk(KERN_CRIT "%s: unable to disable loopback\n",
dev->name);
- phy_stop(port->phydev);
+ ixp4xx_phy_stop(dev);
if (!ports_open)
qmgr_disable_irq(TXDONE_QUEUE);
@@ -1147,7 +1193,6 @@ static int __devinit eth_init_one(struct
struct net_device *dev;
struct eth_plat_info *plat = pdev->dev.platform_data;
u32 regs_phys;
- char phy_id[BUS_ID_SIZE];
int err;
if (!(dev = alloc_etherdev(sizeof(struct port))))
@@ -1210,22 +1255,9 @@ static int __devinit eth_init_one(struct
__raw_writel(DEFAULT_CORE_CNTRL, &port->regs->core_control);
udelay(50);
- snprintf(phy_id, BUS_ID_SIZE, PHY_ID_FMT, "0", plat->phy);
- port->phydev = phy_connect(dev, phy_id, &ixp4xx_adjust_link, 0,
- PHY_INTERFACE_MODE_MII);
- if (IS_ERR(port->phydev)) {
- printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name);
- return PTR_ERR(port->phydev);
- }
-
- /* mask with MAC supported features */
- port->phydev->supported &= PHY_BASIC_FEATURES;
- port->phydev->advertising = port->phydev->supported;
-
- port->phydev->irq = PHY_POLL;
-
- printk(KERN_INFO "%s: MII PHY %i on %s\n", dev->name, plat->phy,
- npe_name(port->npe));
+ err = ixp4xx_phy_connect(dev);
+ if (err)
+ goto err_unreg;
return 0;
@@ -1243,7 +1275,7 @@ static int __devexit eth_remove_one(stru
struct net_device *dev = platform_get_drvdata(pdev);
struct port *port = netdev_priv(dev);
- phy_disconnect(port->phydev);
+ ixp4xx_phy_disconnect(dev);
unregister_netdev(dev);
npe_port_tab[NPE_ID(port->id)] = NULL;
platform_set_drvdata(pdev, NULL);

98
target/linux/ixp4xx/patches-2.6.29/206-npe_driver_add_update_link_function.patch Normal file
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@ -0,0 +1,98 @@
--- a/drivers/net/arm/ixp4xx_eth.c
+++ b/drivers/net/arm/ixp4xx_eth.c
@@ -169,7 +169,7 @@ struct port {
struct desc *desc_tab; /* coherent */
u32 desc_tab_phys;
int id; /* logical port ID */
- int speed, duplex;
+ int link, speed, duplex;
u8 firmware[4];
};
@@ -363,37 +363,52 @@ static void ixp4xx_mdio_remove(void)
mdiobus_free(mdio_bus);
}
-
-static void ixp4xx_adjust_link(struct net_device *dev)
+static void ixp4xx_update_link(struct net_device *dev)
{
struct port *port = netdev_priv(dev);
- struct phy_device *phydev = port->phydev;
- if (!phydev->link) {
- if (port->speed) {
- port->speed = 0;
- printk(KERN_INFO "%s: link down\n", dev->name);
- }
+ if (!port->link) {
+ netif_carrier_off(dev);
+ printk(KERN_INFO "%s: link down\n", dev->name);
return;
}
- if (port->speed == phydev->speed && port->duplex == phydev->duplex)
- return;
-
- port->speed = phydev->speed;
- port->duplex = phydev->duplex;
-
- if (port->duplex)
+ if (port->duplex == DUPLEX_FULL)
__raw_writel(DEFAULT_TX_CNTRL0 & ~TX_CNTRL0_HALFDUPLEX,
&port->regs->tx_control[0]);
else
__raw_writel(DEFAULT_TX_CNTRL0 | TX_CNTRL0_HALFDUPLEX,
&port->regs->tx_control[0]);
+ netif_carrier_on(dev);
printk(KERN_INFO "%s: link up, speed %u Mb/s, %s duplex\n",
dev->name, port->speed, port->duplex ? "full" : "half");
}
+static void ixp4xx_adjust_link(struct net_device *dev)
+{
+ struct port *port = netdev_priv(dev);
+ struct phy_device *phydev = port->phydev;
+ int status_change = 0;
+
+ if (phydev->link) {
+ if (port->duplex != phydev->duplex
+ || port->speed != phydev->speed) {
+ status_change = 1;
+ }
+ }
+
+ if (phydev->link != port->link)
+ status_change = 1;
+
+ port->link = phydev->link;
+ port->speed = phydev->speed;
+ port->duplex = phydev->duplex;
+
+ if (status_change)
+ ixp4xx_update_link(dev);
+}
+
static int ixp4xx_phy_connect(struct net_device *dev)
{
struct port *port = netdev_priv(dev);
@@ -414,6 +429,10 @@ static int ixp4xx_phy_connect(struct net
port->phydev->irq = PHY_POLL;
+ port->link = 0;
+ port->speed = 0;
+ port->duplex = -1;
+
printk(KERN_INFO "%s: MII PHY %i on %s\n", dev->name, plat->phy,
npe_name(port->npe));
@@ -431,7 +450,6 @@ static void ixp4xx_phy_start(struct net_
{
struct port *port = netdev_priv(dev);
- port->speed = 0; /* force "link up" message */
phy_start(port->phydev);
}

155
target/linux/ixp4xx/patches-2.6.29/207-npe_driver_multiphy_support.patch Normal file
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@ -0,0 +1,155 @@
TODO: take care of additional PHYs through the PHY abstraction layer
--- a/arch/arm/mach-ixp4xx/include/mach/platform.h
+++ b/arch/arm/mach-ixp4xx/include/mach/platform.h
@@ -72,7 +72,7 @@ extern unsigned long ixp4xx_exp_bus_size
/*
* Clock Speed Definitions.
*/
-#define IXP4XX_PERIPHERAL_BUS_CLOCK (66) /* 66Mhzi APB BUS */
+#define IXP4XX_PERIPHERAL_BUS_CLOCK (66) /* 66Mhzi APB BUS */
#define IXP4XX_UART_XTAL 14745600
/*
@@ -95,12 +95,23 @@ struct sys_timer;
#define IXP4XX_ETH_NPEB 0x10
#define IXP4XX_ETH_NPEC 0x20
+#define IXP4XX_ETH_PHY_MAX_ADDR 32
+
/* Information about built-in Ethernet MAC interfaces */
struct eth_plat_info {
u8 phy; /* MII PHY ID, 0 - 31 */
u8 rxq; /* configurable, currently 0 - 31 only */
u8 txreadyq;
u8 hwaddr[6];
+
+ u32 phy_mask;
+#if 0
+ int speed;
+ int duplex;
+#else
+ int speed_10;
+ int half_duplex;
+#endif
};
/* Information about built-in HSS (synchronous serial) interfaces */
--- a/drivers/net/arm/ixp4xx_eth.c
+++ b/drivers/net/arm/ixp4xx_eth.c
@@ -415,6 +415,37 @@ static int ixp4xx_phy_connect(struct net
struct eth_plat_info *plat = port->plat;
char phy_id[BUS_ID_SIZE];
+ if (plat->phy == IXP4XX_ETH_PHY_MAX_ADDR) {
+#if 0
+ switch (plat->speed) {
+ case SPEED_10:
+ case SPEED_100:
+ break;
+ default:
+ printk(KERN_ERR "%s: invalid speed (%d)\n",
+ dev->name, plat->speed);
+ return -EINVAL;
+ }
+
+ switch (plat->duplex) {
+ case DUPLEX_HALF:
+ case DUPLEX_FULL:
+ break;
+ default:
+ printk(KERN_ERR "%s: invalid duplex mode (%d)\n",
+ dev->name, plat->duplex);
+ return -EINVAL;
+ }
+ port->speed = plat->speed;
+ port->duplex = plat->duplex;
+#else
+ port->speed = plat->speed_10 ? SPEED_10 : SPEED_100;
+ port->duplex = plat->half_duplex ? DUPLEX_HALF : DUPLEX_FULL;
+#endif
+
+ return 0;
+ }
+
snprintf(phy_id, BUS_ID_SIZE, PHY_ID_FMT, "0", plat->phy);
port->phydev = phy_connect(dev, phy_id, &ixp4xx_adjust_link, 0,
PHY_INTERFACE_MODE_MII);
@@ -443,21 +474,32 @@ static void ixp4xx_phy_disconnect(struct
{
struct port *port = netdev_priv(dev);
- phy_disconnect(port->phydev);
+ if (port->phydev)
+ phy_disconnect(port->phydev);
}
static void ixp4xx_phy_start(struct net_device *dev)
{
struct port *port = netdev_priv(dev);
- phy_start(port->phydev);
+ if (port->phydev) {
+ phy_start(port->phydev);
+ } else {
+ port->link = 1;
+ ixp4xx_update_link(dev);
+ }
}
static void ixp4xx_phy_stop(struct net_device *dev)
{
struct port *port = netdev_priv(dev);
- phy_stop(port->phydev);
+ if (port->phydev) {
+ phy_stop(port->phydev);
+ } else {
+ port->link = 0;
+ ixp4xx_update_link(dev);
+ }
}
static inline void debug_pkt(struct net_device *dev, const char *func,
@@ -829,6 +871,10 @@ static int eth_ioctl(struct net_device *
if (!netif_running(dev))
return -EINVAL;
+
+ if (!port->phydev)
+ return -EOPNOTSUPP;
+
return phy_mii_ioctl(port->phydev, if_mii(req), cmd);
}
@@ -848,18 +894,30 @@ static void ixp4xx_get_drvinfo(struct ne
static int ixp4xx_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
struct port *port = netdev_priv(dev);
+
+ if (!port->phydev)
+ return -EOPNOTSUPP;
+
return phy_ethtool_gset(port->phydev, cmd);
}
static int ixp4xx_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
struct port *port = netdev_priv(dev);
+
+ if (!port->phydev)
+ return -EOPNOTSUPP;
+
return phy_ethtool_sset(port->phydev, cmd);
}
static int ixp4xx_nway_reset(struct net_device *dev)
{
struct port *port = netdev_priv(dev);
+
+ if (!port->phydev)
+ return -EOPNOTSUPP;
+
return phy_start_aneg(port->phydev);
}