make ifxmips mii0 a platform device

SVN-Revision: 9923
This commit is contained in:
John Crispin 2007-12-25 12:38:15 +00:00
parent 1fa388162b
commit c09f909556
2 changed files with 55 additions and 19 deletions

View file

@ -25,9 +25,9 @@
#include <linux/types.h> #include <linux/types.h>
#include <linux/string.h> #include <linux/string.h>
#include <linux/mtd/physmap.h> #include <linux/mtd/physmap.h>
#include <linux/platform_device.h>
#include <linux/kernel.h> #include <linux/kernel.h>
#include <linux/reboot.h> #include <linux/reboot.h>
#include <linux/platform_device.h>
#include <asm/bootinfo.h> #include <asm/bootinfo.h>
#include <asm/reboot.h> #include <asm/reboot.h>
#include <asm/time.h> #include <asm/time.h>
@ -54,6 +54,14 @@ static struct platform_device ifxmips_gpio[] =
}, },
}; };
static struct platform_device ifxmips_mii[] =
{
{
.id = 0,
.name = "ifxmips_mii0",
},
};
int __init ifxmips_init_devices(void) int __init ifxmips_init_devices(void)
{ {
/* /*
@ -70,6 +78,7 @@ int __init ifxmips_init_devices(void)
ifxmips_devs[dev++] = ifxmips_led; ifxmips_devs[dev++] = ifxmips_led;
ifxmips_devs[dev++] = ifxmips_gpio; ifxmips_devs[dev++] = ifxmips_gpio;
ifxmips_devs[dev++] = ifxmips_mii;
return platform_add_devices(ifxmips_devs, dev); return platform_add_devices(ifxmips_devs, dev);
} }

View file

@ -37,6 +37,7 @@
#include <linux/tcp.h> #include <linux/tcp.h>
#include <linux/skbuff.h> #include <linux/skbuff.h>
#include <linux/mm.h> #include <linux/mm.h>
#include <linux/platform_device.h>
#include <linux/ethtool.h> #include <linux/ethtool.h>
#include <asm/checksum.h> #include <asm/checksum.h>
#include <linux/init.h> #include <linux/init.h>
@ -46,6 +47,8 @@
#include <asm/ifxmips/ifxmips_dma.h> #include <asm/ifxmips/ifxmips_dma.h>
#include <asm/ifxmips/ifxmips_pmu.h> #include <asm/ifxmips/ifxmips_pmu.h>
#define DRVNAME "ifxmips_mii0"
static struct net_device ifxmips_mii0_dev; static struct net_device ifxmips_mii0_dev;
static unsigned char u_boot_ethaddr[MAX_ADDR_LEN]; static unsigned char u_boot_ethaddr[MAX_ADDR_LEN];
@ -119,7 +122,7 @@ switch_hw_receive (struct net_device* dev,struct dma_device_info* dma_dev)
if (len >= ETHERNET_PACKET_DMA_BUFFER_SIZE) if (len >= ETHERNET_PACKET_DMA_BUFFER_SIZE)
{ {
printk("packet too large %d\n",len); printk(KERN_INFO DRVNAME ": packet too large %d\n",len);
goto switch_hw_receive_err_exit; goto switch_hw_receive_err_exit;
} }
@ -127,13 +130,13 @@ switch_hw_receive (struct net_device* dev,struct dma_device_info* dma_dev)
len -= 4; len -= 4;
if (skb == NULL ) if (skb == NULL )
{ {
printk("cannot restore pointer\n"); printk(KERN_INFO DRVNAME ": cannot restore pointer\n");
goto switch_hw_receive_err_exit; goto switch_hw_receive_err_exit;
} }
if (len > (skb->end - skb->tail)) if (len > (skb->end - skb->tail))
{ {
printk("BUG, len:%d end:%p tail:%p\n", (len+4), skb->end, skb->tail); printk(KERN_INFO DRVNAME ": BUG, len:%d end:%p tail:%p\n", (len+4), skb->end, skb->tail);
goto switch_hw_receive_err_exit; goto switch_hw_receive_err_exit;
} }
@ -234,7 +237,7 @@ dma_intr_handler (struct dma_device_info* dma_dev, int status)
break; break;
case TX_BUF_FULL_INT: case TX_BUF_FULL_INT:
printk("tx buffer full\n"); printk(KERN_INFO DRVNAME ": tx buffer full\n");
netif_stop_queue(&ifxmips_mii0_dev); netif_stop_queue(&ifxmips_mii0_dev);
for (i = 0; i < dma_dev->max_tx_chan_num; i++) for (i = 0; i < dma_dev->max_tx_chan_num; i++)
{ {
@ -301,7 +304,7 @@ switch_init (struct net_device *dev)
ether_setup(dev); ether_setup(dev);
printk("%s up\n", dev->name); printk(KERN_INFO DRVNAME ": %s is up\n", dev->name);
dev->open = ifxmips_switch_open; dev->open = ifxmips_switch_open;
dev->stop = switch_release; dev->stop = switch_release;
@ -347,15 +350,13 @@ switch_init (struct net_device *dev)
/*read the mac address from the mac table and put them into the mac table.*/ /*read the mac address from the mac table and put them into the mac table.*/
for (i = 0; i < 6; i++) for (i = 0; i < 6; i++)
{
retval += u_boot_ethaddr[i]; retval += u_boot_ethaddr[i];
}
//TODO //TODO
/* ethaddr not set in u-boot ? */ /* ethaddr not set in u-boot ? */
if (retval == 0) if (retval == 0)
{ {
printk("use default MAC address\n"); printk(KERN_INFO DRVNAME ": using default MAC address\n");
dev->dev_addr[0] = 0x00; dev->dev_addr[0] = 0x00;
dev->dev_addr[1] = 0x11; dev->dev_addr[1] = 0x11;
dev->dev_addr[2] = 0x22; dev->dev_addr[2] = 0x22;
@ -388,8 +389,8 @@ ifxmips_sw_chip_init (int mode)
wmb(); wmb();
} }
int __init static int
switch_init_module(void) ifxmips_mii_probe(struct platform_device *dev)
{ {
int result = 0; int result = 0;
@ -401,24 +402,24 @@ switch_init_module(void)
result = register_netdev(&ifxmips_mii0_dev); result = register_netdev(&ifxmips_mii0_dev);
if (result) if (result)
{ {
printk("error %i registering device \"%s\"\n", result, ifxmips_mii0_dev.name); printk(KERN_INFO DRVNAME ": error %i registering device \"%s\"\n", result, ifxmips_mii0_dev.name);
goto out; goto out;
} }
/* ifxmips eval kit connects the phy/switch in REV mode */ /* ifxmips eval kit connects the phy/switch in REV mode */
ifxmips_sw_chip_init(REV_MII_MODE); ifxmips_sw_chip_init(REV_MII_MODE);
printk("ifxmips MAC driver loaded!\n"); printk(KERN_INFO DRVNAME ": driver loaded!\n");
out: out:
return result; return result;
} }
static void __exit static int
switch_cleanup(void) ifxmips_mii_remove(struct platform_device *dev)
{ {
struct switch_priv *priv = (struct switch_priv*)ifxmips_mii0_dev.priv; struct switch_priv *priv = (struct switch_priv*)ifxmips_mii0_dev.priv;
printk("ifxmips_mii0 cleanup\n"); printk(KERN_INFO DRVNAME ": ifxmips_mii0 cleanup\n");
dma_device_unregister(priv->dma_device); dma_device_unregister(priv->dma_device);
dma_device_release(priv->dma_device); dma_device_release(priv->dma_device);
@ -426,8 +427,34 @@ switch_cleanup(void)
kfree(ifxmips_mii0_dev.priv); kfree(ifxmips_mii0_dev.priv);
unregister_netdev(&ifxmips_mii0_dev); unregister_netdev(&ifxmips_mii0_dev);
return; return 0;
} }
module_init(switch_init_module); static struct
module_exit(switch_cleanup); platform_driver ifxmips_mii_driver = {
.probe = ifxmips_mii_probe,
.remove = ifxmips_mii_remove,
.driver = {
.name = DRVNAME,
.owner = THIS_MODULE,
},
};
int __init
ifxmips_mii_init(void)
{
int ret = platform_driver_register(&ifxmips_mii_driver);
if (ret)
printk(KERN_INFO DRVNAME ": Error registering platfom driver!");
return ret;
}
static void __exit
ifxmips_mii_cleanup(void)
{
platform_driver_unregister(&ifxmips_mii_driver);
}
module_init(ifxmips_mii_init);
module_exit(ifxmips_mii_cleanup);