/* Initilize dm9000 board */ static void dmfe_init_dm9000(struct net_device *dev) { board_info_t *db = (board_info_t *)dev->priv; DMFE_DBUG(0, "dmfe_init_dm9000()", 0); spin_lock_init(&db->lock); iow(db, DM9KS_GPR, 0); /* GPR (reg_1Fh)bit GPIO0=0 pre-activate PHY */ mdelay(20); /* wait for PHY power-on ready */ /* do a software reset and wait 20us */ iow(db, DM9KS_NCR, 3); udelay(20); /* wait 20us at least for software reset ok */ iow(db, DM9KS_NCR, 3); /* NCR (reg_00h) bit[0] RST=1 & Loopback=1, reset on */ udelay(20); /* wait 20us at least for software reset ok */ /* I/O mode */ db->io_mode = ior(db, DM9KS_ISR) >> 6; /* ISR bit7:6 keeps I/O mode */ /* Set PHY */ db->op_mode = media_mode; set_PHY_mode(db); /* Program operating register */ iow(db, DM9KS_NCR, 0); iow(db, DM9KS_TCR, 0); /* TX Polling clear */ iow(db, DM9KS_BPTR, 0x3f); /* Less 3kb, 600us */ iow(db, DM9KS_SMCR, 0); /* Special Mode */ iow(db, DM9KS_NSR, 0x2c); /* clear TX status */ iow(db, DM9KS_ISR, 0x0f); /* Clear interrupt status */ iow(db, DM9KS_TCR2, 0x80); /* Set LED mode 1 */ if (db->chip_revision == 0x1A){ /* Data bus current driving/sinking capability */ iow(db, DM9KS_BUSCR, 0x01); /* default: 2mA */ } #ifdef FLOW_CONTROL iow(db, DM9KS_BPTR, 0x37); iow(db, DM9KS_FCTR, 0x38); iow(db, DM9KS_FCR, 0x29); #endif #ifdef DM8606 iow(db,0x34,1); #endif if (dev->features & NETIF_F_HW_CSUM){ printk(KERN_INFO "DM9KS:enable TX checksum\n"); iow(db, DM9KS_TCCR, 0x07); /* TX UDP/TCP/IP checksum enable */ } if (db->rx_csum){ printk(KERN_INFO "DM9KS:enable RX checksum\n"); iow(db, DM9KS_RCSR, 0x02); /* RX checksum enable */ } #ifdef ETRANS /*If TX loading is heavy, the driver can try to anbel "early transmit". The programmer can tune the "Early Transmit Threshold" to get the optimization. (DM9KS_ETXCSR.[1-0]) Side Effect: It will happen "Transmit under-run". When TX under-run always happens, the programmer can increase the value of "Early Transmit Threshold". */ iow(db, DM9KS_ETXCSR, 0x83); #endif /* Set address filter table */ dm9000_hash_table(dev); /* Activate DM9000/DM9010 */ iow(db, DM9KS_IMR, DM9KS_REGFF); /* Enable TX/RX interrupt mask */ iow(db, DM9KS_RXCR, DM9KS_REG05 | 1); /* RX enable */ /* Init Driver variable */ db->tx_pkt_cnt = 0; netif_carrier_on(dev); }
/* Initilize dm9000 board */ static void dmfe_init_dm9000(struct net_device *dev) { board_info_t *db = (board_info_t *) dev->priv; DMFE_DBUG(0, "dmfe_init_dm9000()", 0); /* set the internal PHY power-on, GPIOs normal, and wait 2ms */ iow(db, 0x1F, 0); /* GPR (reg_1Fh)bit GPIO0=0 pre-activate PHY */ udelay(20); /* wait 2ms for PHY power-on ready */ /* do a software reset and wait 20us */ iow(db, DM9000_NCR, 3); udelay(20); /* wait 20us at least for software reset ok */ iow(db, 0, 3); /* NCR (reg_00h) bit[0] RST=1 & Loopback=1, * reset on. Added by SPenser */ udelay(20); /* wait 20us at least for software reset ok */ // Marked by Spenser /* set GPIO0=1 then GPIO0=0 to turn off and on the internal PHY */ iow(db, 0x1F, 1); /* GPR (reg_1Fh) bit[0] GPIO0=1 turn-off PHY */ iow(db, 0x1F, 0); /* GPR (reg_1Fh) bit[0] GPIO0=0 activate PHY */ udelay(1000); /* wait 4ms linking PHY (AUTO sense) if RX/TX */ udelay(1000); udelay(1000); udelay(1000); /* I/O mode */ db->io_mode = ior(db, 0xfe) >> 6; /* ISR bit7:6 keeps I/O mode */ /* NIC Type: FASTETHER, HOMERUN, LONGRUN */ identify_nic(db); /* Set PHY */ db->op_mode = media_mode; set_PHY_mode(db); /* Init needed register value */ db->reg0 = DM9000_NCR; if ((db->nic_type != FASTETHER_NIC) && (db->op_mode & DM9000_1M_HPNA)) db->reg0 |= DM9000_EXT_MII; /* User passed argument */ db->reg5 = reg5; db->reg8 = reg8; db->reg9 = reg9; db->rega = rega; /* Program operating register */ iow(db, 0x00, 0x08); iow(db, 0x02, 0); /* TX Polling clear */ iow(db, 0x2f, 0); /* Special Mode */ iow(db, 0x01, 0x2c); /* clear TX status */ iow(db, 0xfe, 0x0f); /* Clear interrupt status */ iow(db, 0x08, 0x37); iow(db, 0x09, 0x38); /* Flow control: High/Low water */ iow(db, 0x0a, 0x29); /* flow control */ /* Set address filter table */ dm9000_hash_table(dev); /* Activate DM9000 */ iow(db, 0x05, db->reg5 | 1); /* RX enable */ iow(db, 0xff, DM9000_REGFF); /* Enable TX/RX interrupt mask */ /* Init Driver variable */ db->link_failed = 1; db->tx_pkt_cnt = 0; db->queue_pkt_len = 0; dev->trans_start = 0; netif_carrier_on(dev); spin_lock_init(&db->lock); }