dm9000x.c.maceeprom

来自「一个嵌入linux下s3c2410通过i2c读写eerom的驱动程序和应用程序。」· MACEEPROM 代码 · 共 1,550 行 · 第 1/4 页

   0x14015C4FL, 0x63066CD9L, 0xFA0F3D63L, 0x8D080DF5L,
   0x3B6E20C8L, 0x4C69105EL, 0xD56041E4L, 0xA2677172L,
   0x3C03E4D1L, 0x4B04D447L, 0xD20D85FDL, 0xA50AB56BL,
   0x35B5A8FAL, 0x42B2986CL, 0xDBBBC9D6L, 0xACBCF940L,
   0x32D86CE3L, 0x45DF5C75L, 0xDCD60DCFL, 0xABD13D59L,
   0x26D930ACL, 0x51DE003AL, 0xC8D75180L, 0xBFD06116L,
   0x21B4F4B5L, 0x56B3C423L, 0xCFBA9599L, 0xB8BDA50FL,
   0x2802B89EL, 0x5F058808L, 0xC60CD9B2L, 0xB10BE924L,
   0x2F6F7C87L, 0x58684C11L, 0xC1611DABL, 0xB6662D3DL,
   0x76DC4190L, 0x01DB7106L, 0x98D220BCL, 0xEFD5102AL,
   0x71B18589L, 0x06B6B51FL, 0x9FBFE4A5L, 0xE8B8D433L,
   0x7807C9A2L, 0x0F00F934L, 0x9609A88EL, 0xE10E9818L,
   0x7F6A0DBBL, 0x086D3D2DL, 0x91646C97L, 0xE6635C01L,
   0x6B6B51F4L, 0x1C6C6162L, 0x856530D8L, 0xF262004EL,
   0x6C0695EDL, 0x1B01A57BL, 0x8208F4C1L, 0xF50FC457L,
   0x65B0D9C6L, 0x12B7E950L, 0x8BBEB8EAL, 0xFCB9887CL,
   0x62DD1DDFL, 0x15DA2D49L, 0x8CD37CF3L, 0xFBD44C65L,
   0x4DB26158L, 0x3AB551CEL, 0xA3BC0074L, 0xD4BB30E2L,
   0x4ADFA541L, 0x3DD895D7L, 0xA4D1C46DL, 0xD3D6F4FBL,
   0x4369E96AL, 0x346ED9FCL, 0xAD678846L, 0xDA60B8D0L,
   0x44042D73L, 0x33031DE5L, 0xAA0A4C5FL, 0xDD0D7CC9L,
   0x5005713CL, 0x270241AAL, 0xBE0B1010L, 0xC90C2086L,
   0x5768B525L, 0x206F85B3L, 0xB966D409L, 0xCE61E49FL,
   0x5EDEF90EL, 0x29D9C998L, 0xB0D09822L, 0xC7D7A8B4L,
   0x59B33D17L, 0x2EB40D81L, 0xB7BD5C3BL, 0xC0BA6CADL,
   0xEDB88320L, 0x9ABFB3B6L, 0x03B6E20CL, 0x74B1D29AL,
   0xEAD54739L, 0x9DD277AFL, 0x04DB2615L, 0x73DC1683L,
   0xE3630B12L, 0x94643B84L, 0x0D6D6A3EL, 0x7A6A5AA8L,
   0xE40ECF0BL, 0x9309FF9DL, 0x0A00AE27L, 0x7D079EB1L,
   0xF00F9344L, 0x8708A3D2L, 0x1E01F268L, 0x6906C2FEL,
   0xF762575DL, 0x806567CBL, 0x196C3671L, 0x6E6B06E7L,
   0xFED41B76L, 0x89D32BE0L, 0x10DA7A5AL, 0x67DD4ACCL,
   0xF9B9DF6FL, 0x8EBEEFF9L, 0x17B7BE43L, 0x60B08ED5L,
   0xD6D6A3E8L, 0xA1D1937EL, 0x38D8C2C4L, 0x4FDFF252L,
   0xD1BB67F1L, 0xA6BC5767L, 0x3FB506DDL, 0x48B2364BL,
   0xD80D2BDAL, 0xAF0A1B4CL, 0x36034AF6L, 0x41047A60L,
   0xDF60EFC3L, 0xA867DF55L, 0x316E8EEFL, 0x4669BE79L,
   0xCB61B38CL, 0xBC66831AL, 0x256FD2A0L, 0x5268E236L,
   0xCC0C7795L, 0xBB0B4703L, 0x220216B9L, 0x5505262FL,
   0xC5BA3BBEL, 0xB2BD0B28L, 0x2BB45A92L, 0x5CB36A04L,
   0xC2D7FFA7L, 0xB5D0CF31L, 0x2CD99E8BL, 0x5BDEAE1DL,
   0x9B64C2B0L, 0xEC63F226L, 0x756AA39CL, 0x026D930AL,
   0x9C0906A9L, 0xEB0E363FL, 0x72076785L, 0x05005713L,
   0x95BF4A82L, 0xE2B87A14L, 0x7BB12BAEL, 0x0CB61B38L,
   0x92D28E9BL, 0xE5D5BE0DL, 0x7CDCEFB7L, 0x0BDBDF21L,
   0x86D3D2D4L, 0xF1D4E242L, 0x68DDB3F8L, 0x1FDA836EL,
   0x81BE16CDL, 0xF6B9265BL, 0x6FB077E1L, 0x18B74777L,
   0x88085AE6L, 0xFF0F6A70L, 0x66063BCAL, 0x11010B5CL,
   0x8F659EFFL, 0xF862AE69L, 0x616BFFD3L, 0x166CCF45L,
   0xA00AE278L, 0xD70DD2EEL, 0x4E048354L, 0x3903B3C2L,
   0xA7672661L, 0xD06016F7L, 0x4969474DL, 0x3E6E77DBL,
   0xAED16A4AL, 0xD9D65ADCL, 0x40DF0B66L, 0x37D83BF0L,
   0xA9BCAE53L, 0xDEBB9EC5L, 0x47B2CF7FL, 0x30B5FFE9L,
   0xBDBDF21CL, 0xCABAC28AL, 0x53B39330L, 0x24B4A3A6L,
   0xBAD03605L, 0xCDD70693L, 0x54DE5729L, 0x23D967BFL,
   0xB3667A2EL, 0xC4614AB8L, 0x5D681B02L, 0x2A6F2B94L,
   0xB40BBE37L, 0xC30C8EA1L, 0x5A05DF1BL, 0x2D02EF8DL
};

/* function declaration ------------------------------------- */
int dmfe_probe(struct DEVICE *);
static int dmfe_open(struct DEVICE *);
static int dmfe_start_xmit(struct sk_buff *, struct DEVICE *);
static int dmfe_stop(struct DEVICE *);
//static struct enet_statistics * dmfe_get_stats(struct DEVICE *); make by simon 2001.9.4 for kernel 2.4
static struct net_device_stats * dmfe_get_stats(struct DEVICE *); // add by simon 2001.94 for kernel 2.4
static int dmfe_do_ioctl(struct DEVICE *, struct ifreq *, int);
static void dmfe_interrupt(int , void *, struct pt_regs *);
static void dmfe_timer(unsigned long);
static void dmfe_init_dm9000(struct DEVICE *);
static unsigned long cal_CRC(unsigned char *, unsigned int, u8);
static u8 ior(board_info_t *, int);
static void iow(board_info_t *, int, u8);
static u16 phy_read(board_info_t *, int);
static void phy_write(board_info_t *, int, u16);
static u16 read_srom_word(board_info_t *, int);
static void dmfe_packet_receive(struct DEVICE *, board_info_t *);
static void dm9000_hash_table(struct DEVICE *);

/* DM9000 network baord routine ---------------------------- */

/*#define ADDR(addr) for swap upper and low eight bit*/
//#define DATA(a) ( ( (a&0xff00)>>8 ) | ( (a&0x00ff)<<8 ) )
#define DATA(a) (a) //Don't swap Because s3c2410 use little endian
//#define DATA(a) (a)
//#define DELAY   udelay(1000000)
#define SWAP_HARDWARE
//inline void outw(unsigned short value, unsigned long addr)
inline void outw(unsigned short value, unsigned long addr)
{
#ifndef SWAP_HARDWARE
        unsigned char a,b=0;
	unsigned short c=DATA(value);
        int i,j=7,k=1,m=128;
	a=c & 0x00ff;
        for(i=1;i<=4;i++)
        {
                b=b|((a&k)<<j) | ((a&m)>>j);
                k*=2;
                m/=2;
                j--;
                j--;
        }
        *(volatile unsigned short *)(addr)=b|(c&0xff00) ;/*((unsigned short)b)<<8;*/
#else
	*(volatile unsigned short*)addr =  DATA(value);
#endif	
}

//inline void outb(unsigned char value, unsigned long addr)
inline void outb(unsigned char value, unsigned long addr)
{
#ifndef SWAP_HARDWARE
        unsigned char a=value,b=0;
        int i,j=7,k=1,m=128;
        for(i=1;i<=4;i++)
        {
                b=b|((a&k)<<j) | ((a&m)>>j);
                k*=2;
                m/=2;
                j--;
                j--;
        }
        *(volatile unsigned short *)(addr)=/*DATA((*/b /*) & 0x00ff)*/;/*((unsigned short)b)<<8;*/
#else

	*(volatile unsigned short*)addr = (value & 0x00ff);
#endif	
}

inline unsigned char inb(unsigned long addr)
{
#ifndef SWAP_HARDWARE
        unsigned char b=0,a=(*(volatile unsigned short *)(addr)) &0x00ff;
        int i,j=7,k=1,m=128;
        for(i=1;i<=4;i++)
        {
                b=b|((a&k)<<j) | ((a&m)>>j);
                k*=2;
                m/=2;
                j--;
                j--;
        }
        return b;
#else
//	return (((*(volatile unsigned short *)(p))) &0x00ff);
					
	unsigned short val;
	val = *(volatile unsigned short*)addr;
	return (unsigned char)( val & 0x00ff );	
	
#endif	

}
inline unsigned short inw(unsigned long addr)
{
#ifndef SWAP_HARDWARE
        unsigned char b=0,a;
	unsigned short c=DATA((*(volatile unsigned short *)(addr)));
        int i,j=7,k=1,m=128;
	a=c & 0x00ff;
        for(i=1;i<=4;i++)
        {
                b=b|((a&k)<<j) | ((a&m)>>j);
                k*=2;
                m/=2;
                j--;
                j--;
        }
        return b|(c&0xff00);
#else

	unsigned short val;
	
	val = *(volatile unsigned short*)addr; 
	return (DATA(val));
#endif	
}


/*
  Search DM9000 board, allocate space and register it
*/
static unsigned char eth1_mac_addr[6] = {0x00, 0x13, 0xf6, 0x6c, 0x87, 0x89};
static unsigned char eth2_mac_addr[6] = {0x00, 0x13, 0xf6, 0x6c, 0x87, 0x90};
static unsigned char eth3_mac_addr[6] = {0x00, 0x13, 0xf6, 0x6c, 0x87, 0x91};

//HHTECH dm9000x.c for driver kernel/driver/net/
int __init dmfe_probe(struct DEVICE *dev)
{	
        ////////////////////////////////////////
	//i2c_data add by zy
	//U32 rd_adr=0x20;
	//unsigned int rd_num=0x06;
	//unsigned char * get_data;
	unsigned char buff[12];
	int j;
	static char sEthernet[5];
	struct board_info *db;    /* Point a board information structure */
	u32 id_val;
	u32 iobase; // = DM9000_MIN_IO;
	u16 i, dm9000_count = 0;
	u8  irqline;
	//printk("BWSCON=%x\n",BWSCON);
	//BANKCON1=0xffff;
	
	BWSCON|=0xc0;
	//printk("BWSCON2=%x\n",BWSCON);
	GPFCON |= 0x2; //EINT0 from PORT F control register
	EXTINT0 |= 0x4; //EINT0 Rising edge triggered
	INTMSK &= 0xfff7; //EINT0 Enable
	//INTPND |= 0x1;
	
	net_init_iic();
	net_iic_read(0xaf,0x20,buff,12);
//for(i=0;i<12;i++) {
//		printk("receive buff[%d] = %x\n",i,buff[i]);
//}
	
	//printk("******** dm9000 probe dev->name=%s\n",dev->name);
	if(strcmp(dev->name,sEthernet)!=0)strcpy(sEthernet,dev->name);
	else return;
	if(strcmp(dev->name,"eth0")==0)
	{	
		//printk("eth0 network interface found ");
		iobase = ioremap(DM9000_MIN_IO_ETH1,0x400);
		//printk("iobase=%x\n",iobase);
		dev->irq = 0;   //EINT0
                for (i=0; i<6; i++)
		{
			j = (i*2) + 1;
//HHTECH
#define EEPROMMAC
#ifdef EEPROMMAC
			dev->dev_addr[i] = buff[j];
#else
	                  dev->dev_addr[i] = eth1_mac_addr[i];//db->srom[i];
#endif
	          //        printk("%02X:",dev->dev_addr[i]);
	        }
		//printk("\n");
		
	}else
	if(strcmp(dev->name,"eth1")==0)
	{	
		//printk("eth2 network interface found ");
		iobase = DM9000_MIN_IO_ETH2;
		dev->irq = 90;  //INT5
                for (i=0; i<6; i++)
		{
	                   dev->dev_addr[i] = eth2_mac_addr[i];//db->srom[i];
	          //         printk("%02X:",dev->dev_addr[i]);
	         }
		//printk("\n");
		
	}else	
	if(strcmp(dev->name,"eth3")==0)
	{	
		//printk("eth3 network interface found ");
		iobase = DM9000_MIN_IO_ETH3;
		dev->irq = 91;  //INT6
                for (i=0; i<6; i++)
		{
	                dev->dev_addr[i] = eth3_mac_addr[i];//db->srom[i];
	          //      printk("%02X:",dev->dev_addr[i]);
	        }
		//printk("\n");
		
	}else
		return 0;
	//printk("HHTech <DM9000> I/O: %x, VID:   succ\n", iobase);
	//return;
	//printk("Device Name=%s,name=%s\n",dev->name,dev->priv);
	//DMFE_DBUG(0, "dmfe_probe()",0);
	//iow(db, 0xfe, 0x0f); 	/* Clear interrupt status */
	//printk("222\n");
	/* Disable all interrupt */
	//iow(db, 0xff, 0x80);
/////////////////////////////////////////////////////////////////////////
	/* Search All DM9000 NIC */
	//{
	//printk("iobase=%x,value=%x\n",iobase,DM9000_VID_L);
#define OFFSET	0x100	// use cpu a2 : 0x100
	outb(DM9000_VID_L, iobase);
	id_val = inb(iobase + OFFSET);
	outb(DM9000_VID_H, iobase);
	id_val |= inb(iobase + OFFSET) << 8;
	outb(DM9000_PID_L, iobase);
	id_val |= inb(iobase + OFFSET) << 16;
	outb(DM9000_PID_H, iobase);
	id_val |= inb(iobase + OFFSET) << 24;

	if (id_val == DM9000_ID) {
	    printk("HHTech DM9000 %s I/O: %x,VID: %x,MAC: ", dev->name,iobase, id_val);
	    dm9000_count++;
	    /* Init network device */
	    dev = init_etherdev(dev, 0); 

	/* Allocated board information structure */
	irqline = 3;
	db = (void *)(kmalloc(sizeof(*db), GFP_KERNEL|GFP_DMA));
	memset(db, 0, sizeof(*db));
	dev->priv = db;	/* link device and board info */
	db->next_dev = dmfe_root_dev;
	dmfe_root_dev = dev;
	db->ioaddr = iobase;
	db->io_data = iobase + OFFSET;

	/* driver system function */
	dev->base_addr = iobase;
	//dev->irq = 68; //INT4 166;//irqline;
	dev->open = &dmfe_open;
	dev->hard_start_xmit = &dmfe_start_xmit;
	dev->stop = &dmfe_stop;
	dev->get_stats = &dmfe_get_stats;
	dev->set_multicast_list = &dm9000_hash_table;
	dev->do_ioctl = &dmfe_do_ioctl;

	/* Read SROM content */
	/*for (i=0; i<64; i++)
		((u16 *)db->srom)[i] = read_srom_word(db, i);*/

		/* Set Node Address */
		//add by zy
		//i2c_read(0x7a,buff,6);
		//we set lan-switch data to first 24 bytes,then put mac data to the last 6 bytes.
		//printk("MAC set to ");
		for (i=0; i<6; i++){
	//	    dev->dev_addr[i] = eth_mac_addr[i];//db->srom[i];
		    printk("%02X:",dev->dev_addr[i]);
		}
		printk("\n");
	}

	if (dm9000_count) {
	//request_irq(db->irq, &dmfe_interrupt,0,"DM9000 device",dev);
/* Enable interrupts for GPIO6 */
//L-->H
//HHTECH
//*((volatile unsigned long *) (MCF_MBAR2+MCFSIM2_GPIOINTENABLE)) |=0x00000040;
/* Enable interrupt level for GPIO6 - VEC38 */
//*((volatile unsigned long *) (MCF_MBAR2+MCFSIM2_INTLEVEL5)) |=0x04000000;
	}
//printk("**** request_irq=%x\n",dev->irq);
//if(request_irq(dev->irq, &dmfe_interrupt,SA_SHIRQ,"DM9000 device",dev))
  //              return -EAGAIN;
//	printk(" ****** success  rquest_irq\n");
	/* Re-enable interrupt mask */
	//iow(db, 0xff, 0x83);
	return dm9000_count ? 0:-ENODEV;
}

/*
  Open the interface.
  The interface is opened whenever "ifconfig" actives it.
*/
static int dmfe_open(struct DEVICE *dev)
{
	board_info_t * db = (board_info_t *)dev->priv;

	DMFE_DBUG(0, "dmfe_open", 0);

	//minor = MINOR(dev->priv);
	//printk("minor=%x\n",dev->minor);
	//if (request_irq(dev->irq, &dmfe_interrupt, SA_SHIRQ, dev->name, dev))
	//printk("request_irq,irq=%x\n",dev->irq);
	if(request_irq(dev->irq, &dmfe_interrupt,SA_INTERRUPT/*SA_SHIRQ*/,"DM9000 device",dev))
		return -EAGAIN;

	/* Initilize DM910X board */
	dmfe_init_dm9000(dev);
 
//	printk("end init\n");
	/* Init driver variable */
	db->dbug_cnt = 0;
	db->runt_length_counter = 0;
	db->long_length_counter = 0;
	db->reset_counter = 0;

	/* Active System Interface */
	//dev->tbusy = 0;	/* Can transmit packet */
	//dev->start = 1;	/* interface ready */
	//mark above for kernel 2.4
	netif_wake_queue(dev);         //add by simon 2001.9.4 for kernel 2.4
	MOD_INC_USE_COUNT;

//	printk("init timer\n");
	/* set and active a timer process */