📄 net_phy.h
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/*
*********************************************************************************************************
* uC/TCP-IP
* The Embedded TCP/IP Suite
*
* (c) Copyright 2003-2006; Micrium, Inc.; Weston, FL
*
* All rights reserved. Protected by international copyright laws.
*
* uC/TCP-IP is provided in source form for FREE evaluation, for educational
* use or peaceful research. If you plan on using uC/TCP-IP in a commercial
* product you need to contact Micrium to properly license its use in your
* product. We provide ALL the source code for your convenience and to help
* you experience uC/TCP-IP. The fact that the source code is provided does
* NOT mean that you can use it without paying a licensing fee.
*
* Network Interface Card (NIC) port files provided, as is, for FREE and do
* NOT require any additional licensing or licensing fee.
*
* Knowledge of the source code may NOT be used to develop a similar product.
*
* Please help us continue to provide the Embedded community with the finest
* software available. Your honesty is greatly appreciated.
*********************************************************************************************************
*/
/*
*********************************************************************************************************
*
* NETWORK PHYSICAL LAYER
*
* DM9161AE
*
* Filename : net_phy.h
* Version : V1.87
* Programmer(s) : EHS
*********************************************************************************************************
* Note(s) : (1) Supports DM9161AE '3.3V Dual-Speed Fast Ethernet Transceiver' as described in
*
* Corporation (INTEL; http://www.intel.com)
* (a) DM9161AE (DM9161AE; Revision 249414-002)
*********************************************************************************************************
*/
#ifndef _NET_PHY_H
#define _NET_PHY_H
/*
*********************************************************************************************************
* INCLUDES
*********************************************************************************************************
*/
/*
*********************************************************************************************************
* 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 */
#define ADVERTISE_FULL (ADVERTISE_100FULL | ADVERTISE_10FULL | \
ADVERTISE_CSMA)
#define ADVERTISE_ALL (ADVERTISE_10HALF | ADVERTISE_10FULL | \
ADVERTISE_100HALF | ADVERTISE_100FULL)
/* 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 */
#define SPECIFIED_INTR_REG 21 /* PHY Specified Interrupt Reg */
/*
*********************************************************************************************************
* PHY ERROR CODES 12,000 -> 13,000
*********************************************************************************************************
*/
#define NET_PHY_ERR_NONE 12000
#define NET_PHY_ERR_REGRD_TIMEOUT 12010
#define NET_PHY_ERR_REGWR_TIMEOUT 12020
#define NET_PHY_ERR_AUTONEG_TIMEOUT 12030
/*
*********************************************************************************************************
* FUNCTION PROTOTYPES
*********************************************************************************************************
*/
/* ------------------- STATUS FNCTS ------------------- */
CPU_BOOLEAN NetNIC_PhyAutoNegState (NET_ERR *perr); /* Get PHY auto-negotiation state */
CPU_BOOLEAN NetNIC_PhyLinkState (NET_ERR *perr); /* Get PHY link state */
CPU_INT32S NetPHY_GetLinkSpeed (NET_ERR *perr); /* Get PHY link speed */
CPU_INT32S NetPHY_GetLinkDuplex (NET_ERR *perr); /* Get PHY duplex mode */
void NetNIC_PhyInit (NET_ERR *perr); /* PHY initialization function */
void NetNIC_PhyAutoNeg (NET_ERR *perr); /* Do link auto-negotiation */
/*
*********************************************************************************************************
* FUNCTION PROTOTYPES
* DEFINED IN PRODUCT'S net_bsp.c
*********************************************************************************************************
*/
void NetNIC_LinkUp (void); /* Message from NIC that the ethernet link is up. */
/* Called in interruption context most of the time. */
void NetNIC_LinkDown (void); /* Message from NIC that the ethernet link is down. */
/* Called in interruption context most of the time. */
void DM9161AE_DlyAutoNegAck (void); /* Implement 1.5 s dly. */
/* MUST use OS dly to preempt. */
/*
*********************************************************************************************************
* CONFIGURATION ERRORS
*********************************************************************************************************
*/
#ifndef NET_NIC_CFG_INT_CTRL_EN
#error NET_NIC_CFG_INT_CTRL_EN not #define'd in 'net_cfg.h'
#error [MUST be DEF_DISABLED]
#error [ || DEF_ENABLED ]
#elif ((NET_NIC_CFG_INT_CTRL_EN != DEF_DISABLED) && \
(NET_NIC_CFG_INT_CTRL_EN != DEF_ENABLED ))
#error NET_NIC_CFG_INT_CTRL_EN illegally #define'd in 'net_cfg.h'
#error [MUST be DEF_DISABLED]
#error [ || DEF_ENABLED ]
#endif
#endif
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