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-rw-r--r--target/linux/ixp4xx/patches-2.6.24/202-npe_driver_switch_support.patch252
-rw-r--r--target/linux/ixp4xx/patches-2.6.24/203-npe_driver_phy_reset_autoneg.patch44
2 files changed, 296 insertions, 0 deletions
diff --git a/target/linux/ixp4xx/patches-2.6.24/202-npe_driver_switch_support.patch b/target/linux/ixp4xx/patches-2.6.24/202-npe_driver_switch_support.patch
new file mode 100644
index 0000000000..0163829b08
--- /dev/null
+++ b/target/linux/ixp4xx/patches-2.6.24/202-npe_driver_switch_support.patch
@@ -0,0 +1,252 @@
+Index: linux-2.6.24.2/drivers/net/arm/ixp4xx_eth.c
+===================================================================
+--- linux-2.6.24.2.orig/drivers/net/arm/ixp4xx_eth.c
++++ linux-2.6.24.2/drivers/net/arm/ixp4xx_eth.c
+@@ -165,14 +165,15 @@ struct port {
+ struct net_device *netdev;
+ struct napi_struct napi;
+ struct net_device_stats stat;
+- struct mii_if_info mii;
++ struct mii_if_info mii[IXP4XX_ETH_PHY_MAX_ADDR];
+ struct delayed_work mdio_thread;
+ struct eth_plat_info *plat;
+ buffer_t *rx_buff_tab[RX_DESCS], *tx_buff_tab[TX_DESCS];
+ struct desc *desc_tab; /* coherent */
+ u32 desc_tab_phys;
+ int id; /* logical port ID */
+- u16 mii_bmcr;
++ u16 mii_bmcr[IXP4XX_ETH_PHY_MAX_ADDR];
++ int phy_count;
+ };
+
+ /* NPE message structure */
+@@ -316,13 +317,14 @@ static void mdio_write(struct net_device
+ spin_unlock_irqrestore(&mdio_lock, flags);
+ }
+
+-static void phy_reset(struct net_device *dev, int phy_id)
++static void phy_reset(struct net_device *dev, int idx)
+ {
+ struct port *port = netdev_priv(dev);
++ int phy_id = port->mii[idx].phy_id;
+ int cycles = 0;
+
+- mdio_write(dev, phy_id, MII_BMCR, port->mii_bmcr | BMCR_RESET);
+-
++ mdio_write(dev, phy_id, MII_BMCR, port->mii_bmcr[idx] | BMCR_RESET);
++
+ while (cycles < MAX_MII_RESET_RETRIES) {
+ if (!(mdio_read(dev, phy_id, MII_BMCR) & BMCR_RESET)) {
+ #if DEBUG_MDIO
+@@ -335,12 +337,12 @@ static void phy_reset(struct net_device
+ cycles++;
+ }
+
+- printk(KERN_ERR "%s: MII reset failed\n", dev->name);
++ printk(KERN_ERR "%s: MII reset failed on PHY%2d\n", dev->name, phy_id);
+ }
+
+-static void eth_set_duplex(struct port *port)
++static void eth_set_duplex(struct port *port, int full_duplex)
+ {
+- if (port->mii.full_duplex)
++ if (full_duplex)
+ __raw_writel(DEFAULT_TX_CNTRL0 & ~TX_CNTRL0_HALFDUPLEX,
+ &port->regs->tx_control[0]);
+ else
+@@ -348,7 +350,7 @@ static void eth_set_duplex(struct port *
+ &port->regs->tx_control[0]);
+ }
+
+-
++#if 0
+ static void phy_check_media(struct port *port, int init)
+ {
+ if (mii_check_media(&port->mii, 1, init))
+@@ -367,7 +369,63 @@ static void phy_check_media(struct port
+ }
+ }
+ }
++#else
++static void phy_update_link(struct net_device *dev, int link)
++{
++ int prev_link = netif_carrier_ok(dev);
++
++ if (!prev_link && link) {
++ printk(KERN_INFO "%s: link up\n", dev->name);
++ netif_carrier_on(dev);
++ } else if (prev_link && !link) {
++ printk(KERN_INFO "%s: link down\n", dev->name);
++ netif_carrier_off(dev);
++ }
++}
++
++static void phy_check_media(struct port *port, int init)
++{
++ struct net_device *dev = port->netdev;
++
++ if (port->phy_count == 1) {
++ struct mii_if_info *mii = &port->mii[0];
++
++ if (mii_check_media(mii, 1, init))
++ eth_set_duplex(port, mii->full_duplex);
++
++ if (mii->force_media) /* mii_check_media() doesn't work */
++ phy_update_link(dev, mii_link_ok(mii));
++ } else {
++ int cur_link = 0;
++ int i;
++
++ if (init)
++ eth_set_duplex(port, 1);
++
++ for (i = 0; i < port->phy_count; i++)
++ cur_link |= mii_link_ok(&port->mii[i]);
++
++ phy_update_link(dev, cur_link);
++ }
++}
++#endif
+
++static void phy_power_down(struct net_device *dev, int idx)
++{
++ struct port *port = netdev_priv(dev);
++ int phy_id = port->mii[idx].phy_id;
++
++ port->mii_bmcr[idx] = mdio_read(dev, phy_id, MII_BMCR) &
++ ~(BMCR_RESET | BMCR_PDOWN);
++ mdio_write(dev, phy_id, MII_BMCR, port->mii_bmcr[idx] | BMCR_PDOWN);
++}
++
++static void phy_power_up(struct net_device *dev, int idx)
++{
++ struct port *port = netdev_priv(dev);
++
++ mdio_write(dev, port->mii[idx].phy_id, MII_BMCR, port->mii_bmcr[idx]);
++}
+
+ static void mdio_thread(struct work_struct *work)
+ {
+@@ -790,9 +848,12 @@ static int eth_ioctl(struct net_device *
+
+ if (!netif_running(dev))
+ return -EINVAL;
+- err = generic_mii_ioctl(&port->mii, if_mii(req), cmd, &duplex_chg);
++ if (port->phy_count != 1)
++ return -EOPNOTSUPP;
++
++ err = generic_mii_ioctl(&port->mii[0], if_mii(req), cmd, &duplex_chg);
+ if (duplex_chg)
+- eth_set_duplex(port);
++ eth_set_duplex(port, port->mii[0].full_duplex);
+ return err;
+ }
+
+@@ -944,7 +1005,8 @@ static int eth_open(struct net_device *d
+ }
+ }
+
+- mdio_write(dev, port->plat->phy, MII_BMCR, port->mii_bmcr);
++ for (i = 0; i < port->phy_count; i++)
++ phy_power_up(dev, i);
+
+ memset(&msg, 0, sizeof(msg));
+ msg.cmd = NPE_VLAN_SETRXQOSENTRY;
+@@ -1103,10 +1165,8 @@ static int eth_close(struct net_device *
+ printk(KERN_CRIT "%s: unable to disable loopback\n",
+ dev->name);
+
+- port->mii_bmcr = mdio_read(dev, port->plat->phy, MII_BMCR) &
+- ~(BMCR_RESET | BMCR_PDOWN); /* may have been altered */
+- mdio_write(dev, port->plat->phy, MII_BMCR,
+- port->mii_bmcr | BMCR_PDOWN);
++ for (i = 0; i < port->phy_count; i++)
++ phy_power_down(dev, i);
+
+ if (!ports_open)
+ qmgr_disable_irq(TXDONE_QUEUE);
+@@ -1117,6 +1177,42 @@ static int eth_close(struct net_device *
+ return 0;
+ }
+
++static void eth_add_phy(struct net_device *dev, int phy_id)
++{
++ struct port *port = netdev_priv(dev);
++ int i;
++
++ i = port->phy_count++;
++
++ port->mii[i].dev = dev;
++ port->mii[i].mdio_read = mdio_read;
++ port->mii[i].mdio_write = mdio_write;
++ port->mii[i].phy_id = phy_id;
++ port->mii[i].phy_id_mask = 0x1F;
++ port->mii[i].reg_num_mask = 0x1F;
++
++ printk(KERN_INFO "%s: MII PHY %i on %s\n", dev->name, phy_id,
++ npe_name(port->npe));
++
++ phy_reset(dev, i);
++ phy_power_down(dev, i);
++}
++
++static void eth_init_mii(struct net_device *dev)
++{
++ struct port *port = netdev_priv(dev);
++
++ if (port->plat->phy < IXP4XX_ETH_PHY_MAX_ADDR) {
++ eth_add_phy(dev, port->plat->phy);
++ } else {
++ int i;
++ for (i = 0; i < IXP4XX_ETH_PHY_MAX_ADDR; i++)
++ if (port->plat->phy_mask & (1U << i))
++ eth_add_phy(dev, i);
++ }
++
++}
++
+ static int __devinit eth_init_one(struct platform_device *pdev)
+ {
+ struct port *port;
+@@ -1189,20 +1285,7 @@ static int __devinit eth_init_one(struct
+ __raw_writel(DEFAULT_CORE_CNTRL, &port->regs->core_control);
+ udelay(50);
+
+- port->mii.dev = dev;
+- port->mii.mdio_read = mdio_read;
+- port->mii.mdio_write = mdio_write;
+- port->mii.phy_id = plat->phy;
+- port->mii.phy_id_mask = 0x1F;
+- port->mii.reg_num_mask = 0x1F;
+-
+- printk(KERN_INFO "%s: MII PHY %i on %s\n", dev->name, plat->phy,
+- npe_name(port->npe));
+-
+- phy_reset(dev, plat->phy);
+- port->mii_bmcr = mdio_read(dev, plat->phy, MII_BMCR) &
+- ~(BMCR_RESET | BMCR_PDOWN);
+- mdio_write(dev, plat->phy, MII_BMCR, port->mii_bmcr | BMCR_PDOWN);
++ eth_init_mii(dev);
+
+ INIT_DELAYED_WORK(&port->mdio_thread, mdio_thread);
+ return 0;
+Index: linux-2.6.24.2/include/asm-arm/arch-ixp4xx/platform.h
+===================================================================
+--- linux-2.6.24.2.orig/include/asm-arm/arch-ixp4xx/platform.h
++++ linux-2.6.24.2/include/asm-arm/arch-ixp4xx/platform.h
+@@ -106,12 +106,15 @@ 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 */
diff --git a/target/linux/ixp4xx/patches-2.6.24/203-npe_driver_phy_reset_autoneg.patch b/target/linux/ixp4xx/patches-2.6.24/203-npe_driver_phy_reset_autoneg.patch
new file mode 100644
index 0000000000..6e1056e55d
--- /dev/null
+++ b/target/linux/ixp4xx/patches-2.6.24/203-npe_driver_phy_reset_autoneg.patch
@@ -0,0 +1,44 @@
+Index: linux-2.6.24.2/drivers/net/arm/ixp4xx_eth.c
+===================================================================
+--- linux-2.6.24.2.orig/drivers/net/arm/ixp4xx_eth.c
++++ linux-2.6.24.2/drivers/net/arm/ixp4xx_eth.c
+@@ -322,8 +322,12 @@ static void phy_reset(struct net_device
+ struct port *port = netdev_priv(dev);
+ int phy_id = port->mii[idx].phy_id;
+ int cycles = 0;
++ u16 bmcr;
+
+- mdio_write(dev, phy_id, MII_BMCR, port->mii_bmcr[idx] | BMCR_RESET);
++ /* reset the PHY */
++ bmcr = mdio_read(dev, phy_id, MII_BMCR);
++ bmcr |= BMCR_ANENABLE;
++ mdio_write(dev, phy_id, MII_BMCR, bmcr | BMCR_RESET);
+
+ while (cycles < MAX_MII_RESET_RETRIES) {
+ if (!(mdio_read(dev, phy_id, MII_BMCR) & BMCR_RESET)) {
+@@ -331,13 +335,23 @@ static void phy_reset(struct net_device
+ printk(KERN_DEBUG "%s: phy_reset() took %i cycles\n",
+ dev->name, cycles);
+ #endif
+- return;
++ break;
+ }
+ udelay(1);
+ cycles++;
+ }
+
+- printk(KERN_ERR "%s: MII reset failed on PHY%2d\n", dev->name, phy_id);
++ if (cycles == MAX_MII_RESET_RETRIES) {
++ printk(KERN_ERR "%s: MII reset failed on PHY%2d\n", dev->name,
++ phy_id);
++ return;
++ }
++
++ /* restart auto negotiation */
++ bmcr = mdio_read(dev, phy_id, MII_BMCR);
++ bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART);
++ mdio_write(dev, phy_id, MII_BMCR, bmcr);
++
+ }
+
+ static void eth_set_duplex(struct port *port, int full_duplex)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-14 15:20:48 +0000