uboot网卡成功识别

 修改include/configs/...6410.h

注释掉：

//#define CONFIG_CS8900            /* we have a CS8900 on-board    */
//#define CONFIG_CS8900_BASE          0x18800300
//#define CONFIG_CS8900_BUS16        /* follow the Linux driver

增加：

#define CONFIG_DRIVER_DM9000        1
#define CONFIG_DM9000_BASE          0x18000000
#define DM9000_IO                   CONFIG_DM9000_BASE
#define DM9000_DATA                (CONFIG_DM9000_BASE+4)
#define CONFIG_DM9000_USE_16BIT
#define CONFIG_NET_MULTI           1
#define CONFIG_ETHADDR             01:23:45:67:89:ab
#define CONFIG_NETMASK             255.255.255.0
#define CONFIG_IPADDR              192.168.1.4
#define CONFIG_SERVERIP            192.168.1.101
#define CONFIG_GATEWAYIP           192.168.1.1
#define CONFIG_DM9000_DEBUG

 0x18000000由数据手册得出

查看driver/net下面的dm9000x已经对dm9000ae支持很好

现在修改net/eth.c

int eth_write_hwaddr(struct eth_device *dev, const char *base_name,
           int eth_number)
{
    unsigned char env_enetaddr[6];
    int ret = 0;

//    if (!eth_getenv_enetaddr_by_index(base_name, eth_number, env_enetaddr))
//        return -1;

    eth_getenv_enetaddr_by_index(base_name, eth_number, env_enetaddr);       //用于获得网卡的MAC地址    
    if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6)) {
        if (memcmp(dev->enetaddr, "\0\0\0\0\0\0", 6) &&
            memcmp(dev->enetaddr, env_enetaddr, 6)) {
            printf("\nWarning: %s MAC addresses don't match:\n",
                dev->name);
            printf("Address in SROM is         %pM\n",
                dev->enetaddr);
            printf("Address in environment is  %pM\n",
                env_enetaddr);
        }

        memcpy(dev->enetaddr, env_enetaddr, 6);
    }

    if (dev->write_hwaddr &&
        !eth_mac_skip(eth_number) &&
        is_valid_ether_addr(dev->enetaddr)) {
        ret = dev->write_hwaddr(dev);
    }

    return ret;
}

    /*
     * If board-specific initialization exists, call it.
     * If not, call a CPU-specific one
     */
    #if 0
    if (board_eth_init != __def_eth_init) {
        if (board_eth_init(bis) < 0)
            printf("Board Net Initialization Failed\n");
    } else if (cpu_eth_init != __def_eth_init) {
        if (cpu_eth_init(bis) < 0)
            printf("CPU Net Initialization Failed\n");
    } else
        printf("Net Initialization Skipped\n");
    #endif

    if (board_eth_init(bis) < 0)
        cpu_eth_init(bis);

网卡成功识别：

接下来了的问题是ping命令的错误:

着手解决下，总是出现dm9000_phy_read(0x1):0x7800的问题

将dm9000x.c下面字段注释掉

LINE：604 DM9000_DBG("dm9000_phy_read(0x%x): 0x%x\n",reg,val);

查看到DM9000_DBG的宏定义

LINE：71 #define DM9000_DBG(fmt,args...) printf(fmt,##args)

可见仅仅是打印信息，注释掉无影响

然后为了防止断网，注释掉：

dm9000_halt里面的内容

DM9000_DBG("%s\n",__func__);

/*RESET devie*/
dm9000_phy_write(0,0x8000);        /*PHY RESET*/
DM9000_iow(DM9000_GPR,0x01);   /*Power-Down PHY*/
DM9000_iow(DM9000_IMR,0x80);   /*Disable all interrupt*/
DM9000_iow(DM9000_RCR,0x00);  /*Disable RX*/

然后延时加长

LINE：599 udelay(100);
修改成
udelay(1000);

LINE:369 if(i == 3000){
修改为：
if(i == 10000){

生成uboot后下载运行ping结果为：

屏蔽了多余信息之后：

下面是TFTP下载实验了