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[ifxmips] add phylib support to ethernet driver 

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20400 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
John Crispin 2010-03-24 15:53:05 +00:00
parent bbdbc3b43b
commit dc667aa725
1 changed files with 112 additions and 11 deletions
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123
target/linux/ifxmips/patches-2.6.30/130-ethernet.patch
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@ -29,9 +29,9 @@ Index: linux-2.6.30.8/drivers/net/Makefile
Index: linux-2.6.30.8/drivers/net/ifxmips_mii0.c Index: linux-2.6.30.8/drivers/net/ifxmips_mii0.c
=================================================================== ===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000 --- /dev/null 2010-01-25 20:01:36.843225078 +0100
+++ linux-2.6.30.8/drivers/net/ifxmips_mii0.c 2009-10-19 21:41:10.000000000 +0200 +++ linux-2.6.30.10/drivers/net/ifxmips_mii0.c 2010-03-13 19:04:25.000000000 +0100
@@ -0,0 +1,389 @@ @@ -0,0 +1,489 @@
+/* +/*
+ * This program is free software; you can redistribute it and/or modify + * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by + * it under the terms of the GNU General Public License as published by
@ -60,6 +60,7 @@ Index: linux-2.6.30.8/drivers/net/ifxmips_mii0.c
+#include <linux/in.h> +#include <linux/in.h>
+#include <linux/netdevice.h> +#include <linux/netdevice.h>
+#include <linux/etherdevice.h> +#include <linux/etherdevice.h>
+#include <linux/phy.h>
+#include <linux/ip.h> +#include <linux/ip.h>
+#include <linux/tcp.h> +#include <linux/tcp.h>
+#include <linux/skbuff.h> +#include <linux/skbuff.h>
@ -79,12 +80,17 @@ Index: linux-2.6.30.8/drivers/net/ifxmips_mii0.c
+ struct net_device_stats stats; + struct net_device_stats stats;
+ struct dma_device_info *dma_device; + struct dma_device_info *dma_device;
+ struct sk_buff *skb; + struct sk_buff *skb;
+
+ struct mii_bus *mii_bus;
+ struct phy_device *phydev;
+ int oldlink, oldspeed, oldduplex;
+}; +};
+ +
+static struct net_device *ifxmips_mii0_dev; +static struct net_device *ifxmips_mii0_dev;
+static unsigned char mac_addr[MAX_ADDR_LEN]; +static unsigned char mac_addr[MAX_ADDR_LEN];
+ +
+void ifxmips_write_mdio(u32 phy_addr, u32 phy_reg, u16 phy_data) +static int ifxmips_mdiobus_write(struct mii_bus *bus, int phy_addr,
+ int phy_reg, u16 phy_data)
+{ +{
+ u32 val = MDIO_ACC_REQUEST | + u32 val = MDIO_ACC_REQUEST |
+ ((phy_addr & MDIO_ACC_ADDR_MASK) << MDIO_ACC_ADDR_OFFSET) | + ((phy_addr & MDIO_ACC_ADDR_MASK) << MDIO_ACC_ADDR_OFFSET) |
@ -94,10 +100,11 @@ Index: linux-2.6.30.8/drivers/net/ifxmips_mii0.c
+ while (ifxmips_r32(IFXMIPS_PPE32_MDIO_ACC) & MDIO_ACC_REQUEST) + while (ifxmips_r32(IFXMIPS_PPE32_MDIO_ACC) & MDIO_ACC_REQUEST)
+ ; + ;
+ ifxmips_w32(val, IFXMIPS_PPE32_MDIO_ACC); + ifxmips_w32(val, IFXMIPS_PPE32_MDIO_ACC);
+}
+EXPORT_SYMBOL(ifxmips_write_mdio);
+ +
+unsigned short ifxmips_read_mdio(u32 phy_addr, u32 phy_reg) + return 0;
+}
+
+static int ifxmips_mdiobus_read(struct mii_bus *bus, int phy_addr, int phy_reg)
+{ +{
+ u32 val = MDIO_ACC_REQUEST | MDIO_ACC_READ | + u32 val = MDIO_ACC_REQUEST | MDIO_ACC_READ |
+ ((phy_addr & MDIO_ACC_ADDR_MASK) << MDIO_ACC_ADDR_OFFSET) | + ((phy_addr & MDIO_ACC_ADDR_MASK) << MDIO_ACC_ADDR_OFFSET) |
@ -111,7 +118,6 @@ Index: linux-2.6.30.8/drivers/net/ifxmips_mii0.c
+ val = ifxmips_r32(IFXMIPS_PPE32_MDIO_ACC) & MDIO_ACC_VAL_MASK; + val = ifxmips_r32(IFXMIPS_PPE32_MDIO_ACC) & MDIO_ACC_VAL_MASK;
+ return val; + return val;
+} +}
+EXPORT_SYMBOL(ifxmips_read_mdio);
+ +
+int ifxmips_ifxmips_mii_open(struct net_device *dev) +int ifxmips_ifxmips_mii_open(struct net_device *dev)
+{ +{
@ -300,12 +306,91 @@ Index: linux-2.6.30.8/drivers/net/ifxmips_mii0.c
+ return &((struct ifxmips_mii_priv *)netdev_priv(dev))->stats; + return &((struct ifxmips_mii_priv *)netdev_priv(dev))->stats;
+} +}
+ +
+static void
+ifxmips_adjust_link(struct net_device *dev)
+{
+ struct ifxmips_mii_priv *priv = netdev_priv(dev);
+ struct phy_device *phydev = priv->phydev;
+ int new_state = 0;
+
+ /* Did anything change? */
+ if (priv->oldlink != phydev->link ||
+ priv->oldduplex != phydev->duplex ||
+ priv->oldspeed != phydev->speed) {
+ /* Yes, so update status and mark as changed */
+ new_state = 1;
+ priv->oldduplex = phydev->duplex;
+ priv->oldspeed = phydev->speed;
+ priv->oldlink = phydev->link;
+ }
+
+ /* If link status changed, show new status */
+ if (new_state)
+ phy_print_status(phydev);
+}
+
+static int mii_probe(struct net_device *dev)
+{
+ struct ifxmips_mii_priv *priv = netdev_priv(dev);
+ struct phy_device *phydev = NULL;
+ int phy_addr;
+
+ priv->oldlink = 0;
+ priv->oldspeed = 0;
+ priv->oldduplex = -1;
+
+ /* find the first (lowest address) PHY on the current MAC's MII bus */
+ for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) {
+ if (priv->mii_bus->phy_map[phy_addr]) {
+ phydev = priv->mii_bus->phy_map[phy_addr];
+ break; /* break out with first one found */
+ }
+ }
+
+ if (!phydev) {
+ printk (KERN_ERR "%s: no PHY found\n", dev->name);
+ return -ENODEV;
+ }
+
+ /* now we are supposed to have a proper phydev, to attach to... */
+ BUG_ON(!phydev);
+ BUG_ON(phydev->attached_dev);
+
+ phydev = phy_connect(dev, dev_name(&phydev->dev), &ifxmips_adjust_link,
+ 0, PHY_INTERFACE_MODE_MII);
+
+ if (IS_ERR(phydev)) {
+ printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name);
+ return PTR_ERR(phydev);
+ }
+
+ /* mask with MAC supported features */
+ phydev->supported &= (SUPPORTED_10baseT_Half
+ | SUPPORTED_10baseT_Full
+ | SUPPORTED_100baseT_Half
+ | SUPPORTED_100baseT_Full
+ | SUPPORTED_Autoneg
+ /* | SUPPORTED_Pause | SUPPORTED_Asym_Pause */
+ | SUPPORTED_MII
+ | SUPPORTED_TP);
+
+ phydev->advertising = phydev->supported;
+
+ priv->phydev = phydev;
+
+ printk(KERN_INFO "%s: attached PHY driver [%s] "
+ "(mii_bus:phy_addr=%s, irq=%d)\n",
+ dev->name, phydev->drv->name, dev_name(&phydev->dev), phydev->irq);
+
+ return 0;
+}
+
+
+static int ifxmips_mii_dev_init(struct net_device *dev) +static int ifxmips_mii_dev_init(struct net_device *dev)
+{ +{
+ int i; + int i;
+ struct ifxmips_mii_priv *priv = (struct ifxmips_mii_priv *)netdev_priv(dev); + struct ifxmips_mii_priv *priv = (struct ifxmips_mii_priv *)netdev_priv(dev);
+ ether_setup(dev); + ether_setup(dev);
+ printk(KERN_INFO "ifxmips_mii0: %s is up\n", dev->name);
+ dev->open = ifxmips_ifxmips_mii_open; + dev->open = ifxmips_ifxmips_mii_open;
+ dev->stop = ifxmips_mii_release; + dev->stop = ifxmips_mii_release;
+ dev->hard_start_xmit = ifxmips_mii_tx; + dev->hard_start_xmit = ifxmips_mii_tx;
@ -336,12 +421,28 @@ Index: linux-2.6.30.8/drivers/net/ifxmips_mii0.c
+ +
+ dma_device_register(priv->dma_device); + dma_device_register(priv->dma_device);
+ +
+ printk(KERN_INFO "ifxmips_mii0: using mac="); + printk(KERN_INFO "%s: using mac=", dev->name);
+ for (i = 0; i < 6; i++) { + for (i = 0; i < 6; i++) {
+ dev->dev_addr[i] = mac_addr[i]; + dev->dev_addr[i] = mac_addr[i];
+ printk("%02X%c", dev->dev_addr[i], (i == 5) ? ('\n') : (':')); + printk("%02X%c", dev->dev_addr[i], (i == 5) ? ('\n') : (':'));
+ } + }
+ return 0; +
+ priv->mii_bus = mdiobus_alloc();
+ if (priv->mii_bus == NULL)
+ return -ENOMEM;
+
+ priv->mii_bus->priv = dev;
+ priv->mii_bus->read = ifxmips_mdiobus_read;
+ priv->mii_bus->write = ifxmips_mdiobus_write;
+ priv->mii_bus->name = "ifxmips_mii";
+ snprintf(priv->mii_bus->id, MII_BUS_ID_SIZE, "%x", 0);
+ priv->mii_bus->irq = kmalloc(sizeof(int) * PHY_MAX_ADDR, GFP_KERNEL);
+ for(i = 0; i < PHY_MAX_ADDR; ++i)
+ priv->mii_bus->irq[i] = PHY_POLL;
+
+ mdiobus_register(priv->mii_bus);
+
+ return mii_probe(dev);
+} +}
+ +
+static void ifxmips_mii_chip_init(int mode) +static void ifxmips_mii_chip_init(int mode)