?? lib_emac.h
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#ifndef __lib_emac_H
#define __lib_emac_H
#include "/LwIP/include/lwip/err.h"
/*
*********************************************************************************************************
* AT91SAM7X256 EMAC DEFINES
*
* Note(s) : (1) These global #define's are required PRIOR to network configuration.
*********************************************************************************************************
*/
#define EMAC_CFG_MAC_ADDR_SEL_NONE 0 /* Do not explicity select a MAC address src */
#define EMAC_CFG_MAC_ADDR_SEL_EEPROM 1 /* EMAC MAC addr cfg'd from NIC's ext EEPROM. */
#define EMAC_CFG_MAC_ADDR_SEL_CFG 2 /* EMAC MAC addr cfg'd by prod app @ init. */
#define EMAC_SPD_0 0 /* Link speed unknown, or link down */
#define EMAC_SPD_10 10 /* Link speed = 10mbps */
#define EMAC_SPD_100 100 /* Link speed = 100mbps */
#define EMAC_DUPLEX_UNKNOWN 0 /* Duplex uknown or auto-neg incomplete */
#define EMAC_DUPLEX_HALF 1 /* Duplex = Half Duplex */
#define EMAC_DUPLEX_FULL 2 /* Duplex = Full Duplex */
//* 網絡配置寄存器的速度和雙工位掩碼
#define EMAC_NCFGR_SPD_FD_MASK 0xFFFFFFFC
#define NB_TX_BUFS 16 //* 發送緩沖區個數
#define ETH_TX_BUF_SIZE 256 //* 發送緩沖區大小
#define NB_RX_BUFS 32 //* 接收緩沖區個數
#define ETH_RX_BUF_SIZE 128 //* EMAC數據手冊規定接收緩沖區僅占128字節大小，128 * 32接收緩沖區共4096字節
/*
*********************************************************************************************************
* DEFINES
*********************************************************************************************************
*/
#define DM9161AE_INIT_AUTO_NEG_RETRIES 3
/* Generic MII registers. */
#define MII_BMCR 0x00 /* Basic mode control register */
#define MII_BMSR 0x01 /* Basic mode status register */
#define MII_PHYSID1 0x02 /* PHYS ID 1 */
#define MII_PHYSID2 0x03 /* PHYS ID 2 */
#define MII_ADVERTISE 0x04 /* Advertisement control reg */
#define MII_LPA 0x05 /* Link partner ability reg */
#define MII_EXPANSION 0x06 /* Expansion register */
#define MII_DCOUNTER 0x12 /* Disconnect counter */
#define MII_FCSCOUNTER 0x13 /* False carrier counter */
#define MII_NWAYTEST 0x14 /* N-way auto-neg test reg */
#define MII_RERRCOUNTER 0x15 /* Receive error counter */
#define MII_SREVISION 0x16 /* Silicon revision */
#define MII_RESV1 0x17 /* Reserved... */
#define MII_LBRERROR 0x18 /* Lpback, rx, bypass error */
#define MII_PHYADDR 0x19 /* PHY address */
#define MII_RESV2 0x1A /* Reserved... */
#define MII_TPISTATUS 0x1B /* TPI status for 10mbps */
#define MII_NCONFIG 0x1C /* Network interface config */
/* Basic mode control register. */
#define BMCR_RESV 0x007F /* Unused... */
#define BMCR_CTST 0x0080 /* Collision test */
#define BMCR_FULLDPLX 0x0100 /* Full duplex */
#define BMCR_ANRESTART 0x0200 /* Auto negotiation restart */
#define BMCR_ISOLATE 0x0400 /* Disconnect DP83840 from MII */
#define BMCR_PDOWN 0x0800 /* Powerdown the DP83840 */
#define BMCR_ANENABLE 0x1000 /* Enable auto negotiation */
#define BMCR_SPEED100 0x2000 /* Select 100Mbps */
#define BMCR_LOOPBACK 0x4000 /* TXD loopback bits */
#define BMCR_RESET 0x8000 /* Reset the DP83840 */
/* Basic mode status register. */
#define BMSR_ERCAP 0x0001 /* Ext-reg capability */
#define BMSR_JCD 0x0002 /* Jabber detected */
#define BMSR_LSTATUS 0x0004 /* Link status */
#define BMSR_ANEGCAPABLE 0x0008 /* Able to do auto-negotiation */
#define BMSR_RFAULT 0x0010 /* Remote fault detected */
#define BMSR_ANEGCOMPLETE 0x0020 /* Auto-negotiation complete */
#define BMSR_RESV 0x07C0 /* Unused... */
#define BMSR_10HALF 0x0800 /* Can do 10mbps, half-duplex */
#define BMSR_10FULL 0x1000 /* Can do 10mbps, full-duplex */
#define BMSR_100HALF 0x2000 /* Can do 100mbps, half-duplex */
#define BMSR_100FULL 0x4000 /* Can do 100mbps, full-duplex */
#define BMSR_100BASE4 0x8000 /* Can do 100mbps, 4k packets */
/* Advertisement control reg */
#define ADVERTISE_SLCT 0x001F /* Selector bits */
#define ADVERTISE_CSMA 0x0001 /* Only selector supported */
#define ADVERTISE_10HALF 0x0020 /* Try for 10mbps half-duplex */
#define ADVERTISE_10FULL 0x0040 /* Try for 10mbps full-duplex */
#define ADVERTISE_100HALF 0x0080 /* Try for 100mbps half-duplex */
#define ADVERTISE_100FULL 0x0100 /* Try for 100mbps full-duplex */
#define ADVERTISE_100BASE4 0x0200 /* Try for 100mbps 4k packets */
#define ADVERTISE_RESV 0x1C00 /* Unused... */
#define ADVERTISE_RFAULT 0x2000 /* Say we can detect faults */
#define ADVERTISE_LPACK 0x4000 /* Ack link partners response */
#define ADVERTISE_NPAGE 0x8000 /* Next page bit */
/* Link partner ability reg */
#define LPA_SLCT 0x001F /* Same as advertise selector */
#define LPA_10HALF 0x0020 /* Can do 10mbps half-duplex */
#define LPA_10FULL 0x0040 /* Can do 10mbps full-duplex */
#define LPA_100HALF 0x0080 /* Can do 100mbps half-duplex */
#define LPA_100FULL 0x0100 /* Can do 100mbps full-duplex */
#define LPA_100BASE4 0x0200 /* Can do 100mbps 4k packets */
#define LPA_RESV 0x1C00 /* Unused... */
#define LPA_RFAULT 0x2000 /* Link partner faulted */
#define LPA_LPACK 0x4000 /* Link partner acked us */
#define LPA_NPAGE 0x8000 /* Next page bit */
#define LPA_DUPLEX (LPA_10FULL | LPA_100FULL)
#define LPA_100 (LPA_100FULL | LPA_100HALF | LPA_100BASE4)
/* Expansion reg for auto-neg */
#define EXPANSION_NWAY 0x0001 /* Can do N-way auto-nego */
#define EXPANSION_LCWP 0x0002 /* Got new RX page code word */
#define EXPANSION_ENABLENPAGE 0x0004 /* This enables npage words */
#define EXPANSION_NPCAPABLE 0x0008 /* Link partner supports npage */
#define EXPANSION_MFAULTS 0x0010 /* Multiple faults detected */
#define EXPANSION_RESV 0xFFE0 /* Unused... */
/* N-way test register */
#define NWAYTEST_RESV1 0x00FF /* Unused... */
#define NWAYTEST_LOOPBACK 0x0100 /* Enable loopback for N-way */
#define NWAYTEST_RESV2 0xFE00 /* Unused... */
#define SPD_10 10
#define SPD_100 100
/* Duplex, half or full */
#define DUPLEX_HALF 0x00
#define DUPLEX_FULL 0x01
#define MII_DM9161_ID 0x0181b8a0 /* PHY ID */
#define AT91C_PHY_ADDR 31 /* PHY Address */
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