AT91RM9200测试通过的DM9000驱动

/* dm9000x.c: Version 1.25 04/28/2004 A Davicom DM9000 ISA NIC fast Ethernet driver for Linux. Copyright (C) 1997 Sten Wang This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. (C)Copyright 1997-1998 DAVICOM Semiconductor,Inc. All Rights Reserved. V0.11 06/20/2001 REG_0A bit3=1, default enable BP with DA match 06/22/2001 Support DM9801 progrmming E3: R25 = ((R24 + NF) & 0x00ff) | 0xf000 E4: R25 = ((R24 + NF) & 0x00ff) | 0xc200 R17 = (R17 & 0xfff0) | NF + 3 E5: R25 = ((R24 + NF - 3) & 0x00ff) | 0xc200 R17 = (R17 & 0xfff0) | NF v1.00 modify by simon 2001.9.5 change for kernel 2.4.x v1.1 11/09/2001 fix force mode bug v1.2 03/18/2003 Weilun Huang <weilun_huang@davicom.com.tw>: Added tx/rx 32 bit mode. Cleaned up for kernel merge. v1.21 08/26/2003 Fixed phy reset. v1.22 09/09/2003 Fixed power-on reset. 09/30/2003 Spenser Tsai Fixed 32-bit mode bug (Excessive Collision and Late Collision) v1.23 11/05/2003 Added Auto-MDIX function v1.24 01/15/2004 Modify Full-Duplex mode v1.25 04/28/2004 Default Flow control function v1.26 06/09/2004 Performance raising & reducing amount of interrupt v1.27 12/07/2012 BY yangjia */ //modified by ucdragon_fla,the major to do is configureing cs and interrupt base certian board! #if defined(MODVERSIONS) #include <linux/modversions.h> #endif #include <linux/config.h> #include <linux/init.h> #include <linux/module.h> #include <linux/version.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/spinlock.h> #include <linux/skbuff.h> #include <linux/ioport.h> #include <linux/crc32.h> #include <linux/delay.h> #include <asm/dma.h> #include <asm/irq.h> #include <asm/io.h> //#include <asm-arm/arch/irqs.h> //-- /* Board/System/Debug information/definition ---------------- */ #define DM9000_ID 0x90000A46 #define DM9000_NCR 0x00 #define DM9000_NSR 0x01 #define DM9000_REG05 0x30 /* SKIP_CRC/SKIP_LONG */ #define DM9000_REG08 0x37 #define DM9000_REG09 0x38 #define DM9000_REG0A 0x29 /* Flow Control Enable */ #define DM9000_GPCR 0x1e /* General purpose control register */ #define DM9000_GPR 0x1f /* General purpose register */ #define DM9000_REGFF 0x83 /* IMR */ #define DM9000_PHY 0x40 /* PHY address 0x01 */ #define DM9000_PKT_MAX 1536 /* Received packet max size */ #define DM9000_PKT_RDY 0x01 /* Packet ready to receive */ //.............................................. #define DM9000_MIN_IO 0x00 // #define DM9000_MAX_IO 0x70 #define DM9000_IRQ AT91C_ID_IRQ5 //AT91ARM9200 中断30 #define DM9000_BASEADDR 0x70000300 #define DM9000_INT_MII 0x00 #define DM9000_EXT_MII 0x80 #define DM9000_VID_L 0x28 #define DM9000_VID_H 0x29 #define DM9000_PID_L 0x2A #define DM9000_PID_H 0x2B #define DM9801_NOISE_FLOOR 0x08 #define DM9802_NOISE_FLOOR 0x05 #define DMFE_SUCC 0 #define MAX_PACKET_SIZE 1514 #define DMFE_MAX_MULTICAST 14 #define DM9000_RX_INTR 0x01 #define DM9000_TX_INTR 0x02 #define DM9000_OVERFLOW_INTR 0x04 #define DM9000_DWORD_MODE 1 #define DM9000_BYTE_MODE 2 #define DM9000_WORD_MODE 0 #define TRUE 1 #define FALSE 0 #define DMFE_TIMER_WUT jiffies+(HZ*2) /* timer wakeup time : 2 second */ #define DMFE_TX_TIMEOUT (HZ*2) /* tx packet time-out time 1.5 s" */ #if defined(AUTOMDIX) #define DMFE_TIMER_MDIX jiffies+(HZ*1) /* timer wakeup time : 1 second */ #endif #if defined(DM9000_DEBUG) #define DMFE_DBUG(dbug_now, msg, vaule)\ if (dmfe_debug||dbug_now) printk(KERN_ERR "dmfe: %s %x\n", msg, vaule) #else #define DMFE_DBUG(dbug_now, msg, vaule)\ if (dbug_now) printk(KERN_ERR "dmfe: %s %x\n", msg, vaule) #endif enum DM9000_PHY_mode { DM9000_10MHD = 0, DM9000_100MHD = 1, DM9000_10MFD = 4, DM9000_100MFD = 5, DM9000_AUTO = 8, DM9000_1M_HPNA = 0x10 }; enum DM9000_NIC_TYPE { FASTETHER_NIC = 0, HOMERUN_NIC = 1, LONGRUN_NIC = 2 }; // Active operation mode - Spenser 10/6 enum DM9000_OP_mode { OP_10MHD = 1, OP_10MFD = 2, OP_100MHD = 4, OP_100MFD = 8 }; enum DM9000_SF_mode { VLAN_Enable = 1, FlowControl = 2, TxPausePacket = 4 }; /* Structure/enum declaration ------------------------------- */ typedef struct board_info { u32 runt_length_counter; /* counter: RX length < 64byte */ u32 long_length_counter; /* counter: RX length > 1514byte */ u32 reset_counter; /* counter: RESET */ u32 reset_tx_timeout; /* RESET caused by TX Timeout */ u32 reset_rx_status; /* RESET caused by RX Statsus wrong */ u32 ioaddr; /* Register I/O base address */ u32 io_data; /* Data I/O address */ u16 irq; /* IRQ */ u16 tx_pkt_cnt; u16 sent_pkt_len, queue_pkt_len; u16 queue_start_addr; u16 dbug_cnt; u16 Preg0; u16 Preg4; u8 reg0, reg5, reg8, reg9, rega; /* registers saved */ u8 op_mode; /* PHY operation mode */ // u8 active_op_mode; // Real PHY operation mode -Spenser 10/6 u8 io_mode; /* 0:word, 2:byte */ u8 phy_addr; u8 link_failed; /* Ever link failed */ u8 nsr; /* Network Status Register */ u8 link_status; /* Detect link state */ u8 mdix; /* MDIX */ u8 device_wait_reset; /* device state */ u8 nic_type; /* NIC type */ u8 ncr; struct timer_list timer, mdix_timer; struct net_device_stats stats; // unsigned char srom[128]; spinlock_t lock; } board_info_t; /* Global variable declaration ----------------------------- */ #ifdef DM9000_DEBUG static int dmfe_debug = 1; #endif // DM9000_DEBUG static struct net_device *dmfe_dev = NULL; /* For module input parameter */ #ifdef MODULE static int debug = 0; static int mode = DM9000_AUTO; #endif//MODULE static int media_mode = DM9000_AUTO; static u8 nfloor = 0; static u8 reg5 = DM9000_REG05; static u8 reg8 = DM9000_REG08; static u8 reg9 = DM9000_REG09; static u8 rega = DM9000_REG0A; //static u8 irqline = 3; static u32 tintrflag = 0; static u32 rxintrflag = 0; /* function declaration ------------------------------------- */ int dmfe_probe(struct net_device *); static int dmfe_open(struct net_device *); static int dmfe_start_xmit(struct sk_buff *, struct net_device *); static void dmfe_tx_done(unsigned long); static void dmfe_packet_receive(unsigned long); static int dmfe_stop(struct net_device *); static struct net_device_stats *dmfe_get_stats(struct net_device *); static int dmfe_do_ioctl(struct net_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 net_device *); //static void dmfe_reset_dm9000(struct net_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 dm9000_hash_table(struct net_device *); static void dm9000_set_initialize_exterior_bus(); #if defined(AUTOMDIX) static void dmfe_mdix_timer(unsigned long); #endif #if 0 /* comment by mhfan */ DECLARE_TASKLET(dmfe_rx_tasklet, dmfe_packet_receive, 0); DECLARE_TASKLET(dmfe_tx_tasklet, dmfe_tx_done, 0); #endif /* comment by mhfan */ /***************************自定义的函数********************/ /***************************by yangjia********************/ #define SMC_CS6_ADDR 0xFFFFFF88 static void dm9000_set_i