* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
* Copyright (C) 2005 Wu Qi Ming <Qi-Ming.Wu@infineon.com>
- * Copyright (C) 2008 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2008 John Crispin <blogic@openwrt.org>
*/
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/types.h>
#include <linux/interrupt.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include <linux/in.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/mm.h>
#include <linux/platform_device.h>
#include <linux/ethtool.h>
-#include <asm/checksum.h>
#include <linux/init.h>
-#include <asm/delay.h>
+#include <linux/delay.h>
+#include <asm/checksum.h>
#include <asm/ifxmips/ifxmips.h>
-#include <asm/ifxmips/ifxmips_mii0.h>
#include <asm/ifxmips/ifxmips_dma.h>
#include <asm/ifxmips/ifxmips_pmu.h>
-#define DRVNAME "ifxmips_mii0"
+struct ifxmips_mii_priv {
+ struct net_device_stats stats;
+ struct dma_device_info *dma_device;
+ struct sk_buff *skb;
+};
static struct net_device *ifxmips_mii0_dev;
-static unsigned char u_boot_ethaddr[MAX_ADDR_LEN];
+static unsigned char mac_addr[MAX_ADDR_LEN];
void
ifxmips_write_mdio(u32 phy_addr, u32 phy_reg, u16 phy_data)
while(ifxmips_r32(IFXMIPS_PPE32_MDIO_ACC) & MDIO_ACC_REQUEST);
ifxmips_w32(val, IFXMIPS_PPE32_MDIO_ACC);
}
+EXPORT_SYMBOL(ifxmips_write_mdio);
unsigned short
ifxmips_read_mdio(u32 phy_addr, u32 phy_reg)
((phy_addr & MDIO_ACC_ADDR_MASK) << MDIO_ACC_ADDR_OFFSET) |
((phy_reg & MDIO_ACC_REG_MASK) << MDIO_ACC_REG_OFFSET);
+ while(ifxmips_r32(IFXMIPS_PPE32_MDIO_ACC) & MDIO_ACC_REQUEST);
ifxmips_w32(val, IFXMIPS_PPE32_MDIO_ACC);
while(ifxmips_r32(IFXMIPS_PPE32_MDIO_ACC) & MDIO_ACC_REQUEST){};
val = ifxmips_r32(IFXMIPS_PPE32_MDIO_ACC) & MDIO_ACC_VAL_MASK;
return val;
}
+EXPORT_SYMBOL(ifxmips_read_mdio);
int
ifxmips_ifxmips_mii_open(struct net_device *dev)
struct dma_device_info* dma_dev = priv->dma_device;
int i;
- for(i = 0; i < dma_dev->max_rx_chan_num; i++)
+ for (i = 0; i < dma_dev->max_rx_chan_num; i++)
{
- if((dma_dev->rx_chan[i])->control == IFXMIPS_DMA_CH_ON)
+ if ((dma_dev->rx_chan[i])->control == IFXMIPS_DMA_CH_ON)
(dma_dev->rx_chan[i])->open(dma_dev->rx_chan[i]);
}
netif_start_queue(dev);
struct dma_device_info* dma_dev = priv->dma_device;
int i;
- for(i = 0; i < dma_dev->max_rx_chan_num; i++)
+ for (i = 0; i < dma_dev->max_rx_chan_num; i++)
dma_dev->rx_chan[i]->close(dma_dev->rx_chan[i]);
netif_stop_queue(dev);
return 0;
len = dma_device_read(dma_dev, &buf, (void**)&skb);
- if(len >= ETHERNET_PACKET_DMA_BUFFER_SIZE)
+ if (len >= ETHERNET_PACKET_DMA_BUFFER_SIZE)
{
- printk(KERN_INFO DRVNAME ": packet too large %d\n",len);
+ printk(KERN_INFO "ifxmips_mii0: packet too large %d\n",len);
goto ifxmips_mii_hw_receive_err_exit;
}
/* remove CRC */
len -= 4;
- if(skb == NULL)
+ if (skb == NULL)
{
- printk(KERN_INFO DRVNAME ": cannot restore pointer\n");
+ printk(KERN_INFO "ifxmips_mii0: cannot restore pointer\n");
goto ifxmips_mii_hw_receive_err_exit;
}
- if(len > (skb->end - skb->tail))
+ if (len > (skb->end - skb->tail))
{
- printk(KERN_INFO DRVNAME ": BUG, len:%d end:%p tail:%p\n",
+ printk(KERN_INFO "ifxmips_mii0: BUG, len:%d end:%p tail:%p\n",
(len+4), skb->end, skb->tail);
goto ifxmips_mii_hw_receive_err_exit;
}
return 0;
ifxmips_mii_hw_receive_err_exit:
- if(len == 0)
+ if (len == 0)
{
- if(skb)
+ if (skb)
dev_kfree_skb_any(skb);
priv->stats.rx_errors++;
priv->stats.rx_dropped++;
int ret = 0;
struct ifxmips_mii_priv *priv = dev->priv;
struct dma_device_info* dma_dev = priv->dma_device;
-
ret = dma_device_write(dma_dev, buf, len, priv->skb);
-
return ret;
}
wmb();
- if(ifxmips_mii_hw_tx(data, len, dev) != len)
+ if (ifxmips_mii_hw_tx(data, len, dev) != len)
{
dev_kfree_skb_any(skb);
priv->stats.tx_errors++;
struct ifxmips_mii_priv* priv = (struct ifxmips_mii_priv*)dev->priv;
priv->stats.tx_errors++;
- for(i = 0; i < priv->dma_device->max_tx_chan_num; i++)
+ for (i = 0; i < priv->dma_device->max_tx_chan_num; i++)
priv->dma_device->tx_chan[i]->disable_irq(priv->dma_device->tx_chan[i]);
netif_wake_queue(dev);
return;
break;
case TX_BUF_FULL_INT:
- printk(KERN_INFO DRVNAME ": tx buffer full\n");
+ printk(KERN_INFO "ifxmips_mii0: tx buffer full\n");
netif_stop_queue(ifxmips_mii0_dev);
for (i = 0; i < dma_dev->max_tx_chan_num; i++)
{
break;
case TRANSMIT_CPT_INT:
- for(i = 0; i < dma_dev->max_tx_chan_num; i++)
+ for (i = 0; i < dma_dev->max_tx_chan_num; i++)
dma_dev->tx_chan[i]->disable_irq(dma_dev->tx_chan[i]);
netif_wake_queue(ifxmips_mii0_dev);
struct sk_buff *skb = NULL;
skb = dev_alloc_skb(ETHERNET_PACKET_DMA_BUFFER_SIZE);
- if(skb == NULL)
+ if (skb == NULL)
return NULL;
buffer = (unsigned char*)(skb->data);
{
struct sk_buff *skb = NULL;
- if(opt == NULL)
+ if (opt == NULL)
{
kfree(dataptr);
} else {
static int
ifxmips_mii_dev_init(struct net_device *dev)
{
- u64 retval = 0;
int i;
struct ifxmips_mii_priv *priv;
ether_setup(dev);
- printk(KERN_INFO DRVNAME ": %s is up\n", dev->name);
+ printk(KERN_INFO "ifxmips_mii0: %s is up\n", dev->name);
dev->open = ifxmips_ifxmips_mii_open;
dev->stop = ifxmips_mii_release;
dev->hard_start_xmit = ifxmips_mii_tx;
memset(dev->priv, 0, sizeof(struct ifxmips_mii_priv));
priv = dev->priv;
priv->dma_device = dma_device_reserve("PPE");
- if(!priv->dma_device){
+ if (!priv->dma_device){
BUG();
return -ENODEV;
}
priv->dma_device->intr_handler = &dma_intr_handler;
priv->dma_device->max_rx_chan_num = 4;
- for(i = 0; i < priv->dma_device->max_rx_chan_num; i++)
+ for (i = 0; i < priv->dma_device->max_rx_chan_num; i++)
{
priv->dma_device->rx_chan[i]->packet_size = ETHERNET_PACKET_DMA_BUFFER_SIZE;
priv->dma_device->rx_chan[i]->control = IFXMIPS_DMA_CH_ON;
}
- for(i = 0; i < priv->dma_device->max_tx_chan_num; i++)
- if(i == 0)
+ for (i = 0; i < priv->dma_device->max_tx_chan_num; i++)
+ if (i == 0)
priv->dma_device->tx_chan[i]->control = IFXMIPS_DMA_CH_ON;
else
priv->dma_device->tx_chan[i]->control = IFXMIPS_DMA_CH_OFF;
dma_device_register(priv->dma_device);
- /*read the mac address from the mac table and put them into the mac table.*/
+ printk(KERN_INFO "ifxmips_mii0: using mac=");
for (i = 0; i < 6; i++)
- retval += u_boot_ethaddr[i];
-
- //TODO
- /* ethaddr not set in u-boot ? */
- if(retval == 0)
{
- printk(KERN_INFO DRVNAME ": using default MAC address\n");
- dev->dev_addr[0] = 0x00;
- dev->dev_addr[1] = 0x11;
- dev->dev_addr[2] = 0x22;
- dev->dev_addr[3] = 0x33;
- dev->dev_addr[4] = 0x44;
- dev->dev_addr[5] = 0x55;
- } else {
- for(i = 0; i < 6; i++)
- dev->dev_addr[i] = u_boot_ethaddr[i];
+ dev->dev_addr[i] = mac_addr[i];
+ printk("%02X%c", dev->dev_addr[i], (i == 5)?('\n'):(':'));
}
-
return 0;
}
ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_DMA);
ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_PPE);
- if(mode == REV_MII_MODE)
- ifxmips_w32((ifxmips_r32(IFXMIPS_PPE32_CFG) & PPE32_MII_MASK) | PPE32_MII_REVERSE, IFXMIPS_PPE32_CFG);
- else if(mode == MII_MODE)
- ifxmips_w32((ifxmips_r32(IFXMIPS_PPE32_CFG) & PPE32_MII_MASK) | PPE32_MII_NORMAL, IFXMIPS_PPE32_CFG);
+ if (mode == REV_MII_MODE)
+ ifxmips_w32_mask(PPE32_MII_MASK, PPE32_MII_REVERSE, IFXMIPS_PPE32_CFG);
+ else if (mode == MII_MODE)
+ ifxmips_w32_mask(PPE32_MII_MASK, PPE32_MII_NORMAL, IFXMIPS_PPE32_CFG);
ifxmips_w32(PPE32_PLEN_UNDER | PPE32_PLEN_OVER, IFXMIPS_PPE32_IG_PLEN_CTRL);
ifxmips_w32(PPE32_CGEN, IFXMIPS_PPE32_ENET_MAC_CFG);
wmb();
ifxmips_mii_probe(struct platform_device *dev)
{
int result = 0;
-
+ unsigned char *mac = (unsigned char*)dev->dev.platform_data;
ifxmips_mii0_dev = alloc_etherdev(sizeof(struct ifxmips_mii_priv));
ifxmips_mii0_dev->init = ifxmips_mii_dev_init;
+ memcpy(mac_addr, mac, 6);
strcpy(ifxmips_mii0_dev->name, "eth%d");
+ ifxmips_mii_chip_init(REV_MII_MODE);
result = register_netdev(ifxmips_mii0_dev);
if (result)
{
- printk(KERN_INFO DRVNAME ": error %i registering device \"%s\"\n", result, ifxmips_mii0_dev->name);
+ printk(KERN_INFO "ifxmips_mii0: error %i registering device \"%s\"\n", result, ifxmips_mii0_dev->name);
goto out;
}
- /* ifxmips eval kit connects the phy/switch in REV mode */
- ifxmips_mii_chip_init(REV_MII_MODE);
- printk(KERN_INFO DRVNAME ": driver loaded!\n");
+ printk(KERN_INFO "ifxmips_mii0: driver loaded!\n");
out:
return result;
{
struct ifxmips_mii_priv *priv = (struct ifxmips_mii_priv*)ifxmips_mii0_dev->priv;
- printk(KERN_INFO DRVNAME ": ifxmips_mii0 cleanup\n");
+ printk(KERN_INFO "ifxmips_mii0: ifxmips_mii0 cleanup\n");
dma_device_unregister(priv->dma_device);
dma_device_release(priv->dma_device);
.probe = ifxmips_mii_probe,
.remove = ifxmips_mii_remove,
.driver = {
- .name = DRVNAME,
+ .name = "ifxmips_mii0",
.owner = THIS_MODULE,
},
};
{
int ret = platform_driver_register(&ifxmips_mii_driver);
if (ret)
- printk(KERN_INFO DRVNAME ": Error registering platfom driver!");
+ printk(KERN_INFO "ifxmips_mii0: Error registering platfom driver!");
return ret;
}
projects / openwrt.git / blobdiff