ls2k1000第二个网口添加失败

发布于 2022-09-19 17:20:52 浏览：486 订阅该版

ls2k1000使用默认驱动只能添加e0，修改代码添加e1时信号量初始化失败，请大神指点一下思路，如何添加第二个网口？

```c
int rt_hw_eth_init(void)
{
    struct pci_header *p = (struct pci_header *)(0x9000000000000000 | PCI_BASE);
    gmac_base = (0x9000000000000000 | ((p->BaseAddressRegister[0]) & 0xffffff00));

struct synopGMACNetworkAdapter *synopGMACadapter;
    static u8 mac_addr0[6] = DEFAULT_MAC_ADDRESS;
    int index;
    rt_sem_init(&sem_ack, "tx_ack", 1, RT_IPC_FLAG_FIFO);
    rt_sem_init(&sem_lock, "eth_lock", 1, RT_IPC_FLAG_FIFO);

memset(ð_dev, 0, sizeof(eth_dev));
    synopGMACadapter = (struct synopGMACNetworkAdapter *)plat_alloc_memory(sizeof(struct synopGMACNetworkAdapter));
    if (!synopGMACadapter)
    {
        rt_kprintf("Error in Memory Allocataion, Founction : %s \n", __FUNCTION__);
    }
    memset((char *)synopGMACadapter, 0, sizeof(struct synopGMACNetworkAdapter));

synopGMACadapter->synopGMACdev    = NULL;

synopGMACadapter->synopGMACdev = (synopGMACdevice *) plat_alloc_memory(sizeof(synopGMACdevice));
    if (!synopGMACadapter->synopGMACdev)
    {
        rt_kprintf("Error in Memory Allocataion, Founction : %s \n", __FUNCTION__);
    }

memset((char *)synopGMACadapter->synopGMACdev, 0, sizeof(synopGMACdevice));

/*
     * Attach the device to MAC struct This will configure all the required base addresses
     * such as Mac base, configuration base, phy base address(out of 32 possible phys)
     * */
    synopGMAC_attach(synopGMACadapter->synopGMACdev, (gmac_base + MACBASE), gmac_base + DMABASE, DEFAULT_PHY_BASE, mac_addr0);

init_phy(synopGMACadapter->synopGMACdev);
    synopGMAC_reset(synopGMACadapter->synopGMACdev);

/* MII setup */
    synopGMACadapter->mii.phy_id_mask = 0x1F;
    synopGMACadapter->mii.reg_num_mask = 0x1F;
    synopGMACadapter->mii.dev = synopGMACadapter;
    synopGMACadapter->mii.mdio_read = mdio_read;
    synopGMACadapter->mii.mdio_write = mdio_write;
    synopGMACadapter->mii.phy_id = synopGMACadapter->synopGMACdev->PhyBase;
    synopGMACadapter->mii.supports_gmii = mii_check_gmii_support(&synopGMACadapter->mii);

eth_dev.iobase = gmac_base;
    eth_dev.name = "e0";
    eth_dev.priv = synopGMACadapter;
    eth_dev.dev_addr[0] = mac_addr0[0];
    eth_dev.dev_addr[1] = mac_addr0[1];
    eth_dev.dev_addr[2] = mac_addr0[2];
    eth_dev.dev_addr[3] = mac_addr0[3];
    eth_dev.dev_addr[4] = mac_addr0[4];
    eth_dev.dev_addr[5] = mac_addr0[5];

eth_dev.parent.parent.type          = RT_Device_Class_NetIf;
    eth_dev.parent.parent.init          = eth_init;
    eth_dev.parent.parent.open          = eth_open;
    eth_dev.parent.parent.close         = eth_close;
    eth_dev.parent.parent.read          = eth_read;
    eth_dev.parent.parent.write         = eth_write;
    eth_dev.parent.parent.control       = eth_control;
    eth_dev.parent.parent.user_data     = RT_NULL;

eth_dev.parent.eth_tx            = rt_eth_tx;
    eth_dev.parent.eth_rx            = rt_eth_rx;

eth_device_init(&(eth_dev.parent), "e0");
    eth_device_linkchange(ð_dev.parent, RT_TRUE);   //linkup the e0 for lwip to check
    return 0;
}
INIT_COMPONENT_EXPORT(rt_hw_eth_init);
```