Dmitriy 5fe1e5d358 первый коммит
первый коммит
2021-02-08 21:10:39 +03:00

259 lines
17 KiB
C

/*
*********************************************************************************************************
* 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
*
* National DP83848
*
* Filename : net_phy.c
* Version : V1.89
* Programmer(s) : EHS
*********************************************************************************************************
* Note(s) : (1) Supports National Semiconductor DP83848 10/100 PHY
*
* (2) The MII interface port is assumed to be part of the host EMAC; consequently,
* reads from and writes to the PHY are made through the EMAC. The functions
* NetNIC_PhyRegRd() and NetNIC_PhyRegWr(), which are used to access the PHY, should
* be provided in the EMAC driver.
*********************************************************************************************************
*/
#ifndef _NET_PHY_H
#define _NET_PHY_H
/*
*********************************************************************************************************
* DEFINES
*********************************************************************************************************
*/
#define DP83848_INIT_AUTO_NEG_RETRIES 3 /* Attempt Auto-Negotiation 3 times */
#define DP83848_INIT_RESET_RETRIES 16 /* Check for successful reset 8 times */
#define DP83848_OUI 0x080017
#define DP83848_VNDR_MDL 0x09
/*
*********************************************************************************************************
* DP83848 REGISTER DEFINES
*********************************************************************************************************
*/
/* ------- 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_ANAR 0x04 /* Advertisement control reg */
#define MII_ANLPAR 0x05 /* Link partner ability reg */
#define MII_ANER 0x06 /* Expansion register */
#define MII_ANNPTR 0x07 /* Next page transmit register */
/* --------- Extended registers ----------- */
#define DP83848_PHYSTS 0x10 /* PHY Status Register */
#define DP83848_MICR 0x11 /* MII Interrupt Control Register */
#define DP83848_MISR 0x12 /* MII Interrupt Status/Misc. Control Reg. */
#define DP83848_FCSCR 0x14 /* False Carrier Sense Counter Register */
#define DP83848_RECR 0x15 /* Receiver Error Counter Register */
#define DP83848_PCSR 0x16 /* 100 Mb/s PCS Config. & Status Register */
#define DP83848_RBR 0x17 /* RMII and Bypass Register */
#define DP83848_LEDCR 0x18 /* LED Direct Control Register */
#define DP83848_PHYCR 0x19 /* PHY Control Register */
#define DP83848_10BTSCR 0x1A /* 10Base-T Status/Control Register */
#define DP83848_CDCTRL1 0x1B /* CD Test & BIST Extensions Register */
#define DP83848_EDCR 0x1D /* Energy Detect Control */
/*
*********************************************************************************************************
* DP83848 REGISTER BITS
*********************************************************************************************************
*/
/* -------- MII_BMCR Register Bits -------- */
#define BMCR_RESV 0x007F /* Unused... */
#define BMCR_CTST DEF_BIT_07 /* Collision test */
#define BMCR_FULLDPLX DEF_BIT_08 /* Full duplex */
#define BMCR_ANRESTART DEF_BIT_09 /* Auto negotiation restart */
#define BMCR_ISOLATE DEF_BIT_10 /* Disconnect DP83840 from MII */
#define BMCR_PDOWN DEF_BIT_11 /* Powerdown the DP83840 */
#define BMCR_ANENABLE DEF_BIT_12 /* Enable auto negotiation */
#define BMCR_SPEED100 DEF_BIT_13 /* Select 100Mbps */
#define BMCR_LOOPBACK DEF_BIT_14 /* TXD loopback bits */
#define BMCR_RESET DEF_BIT_15 /* Reset the DP83840 */
/* -------- MII_BMSR Register Bits -------- */
#define BMSR_ERCAP DEF_BIT_00 /* Ext-reg capability */
#define BMSR_JCD DEF_BIT_01 /* Jabber detected */
#define BMSR_LSTATUS DEF_BIT_02 /* Link status */
#define BMSR_ANEGCAPABLE DEF_BIT_03 /* Able to do auto-negotiation */
#define BMSR_RFAULT DEF_BIT_04 /* Remote fault detected */
#define BMSR_ANEGCOMPLETE DEF_BIT_05 /* Auto-negotiation complete */
#define BMSR_RESV 0x07C0 /* Unused... */
#define BMSR_10HALF DEF_BIT_11 /* Can do 10mbps, half-duplex */
#define BMSR_10FULL DEF_BIT_12 /* Can do 10mbps, full-duplex */
#define BMSR_100HALF DEF_BIT_13 /* Can do 100mbps, half-duplex */
#define BMSR_100FULL DEF_BIT_14 /* Can do 100mbps, full-duplex */
#define BMSR_100BASE4 DEF_BIT_15 /* Can do 100mbps, 4k packets */
/* -------- MII_ANAR Register Bits -------- */
#define ANAR_SLCT 0x001F /* Selector bits */
#define ANAR_CSMA DEF_BIT_04 /* Only selector supported */
#define ANAR_10HALF DEF_BIT_05 /* Try for 10mbps half-duplex */
#define ANAR_10FULL DEF_BIT_06 /* Try for 10mbps full-duplex */
#define ANAR_100HALF DEF_BIT_07 /* Try for 100mbps half-duplex */
#define ANAR_100FULL DEF_BIT_08 /* Try for 100mbps full-duplex */
#define ANAR_100BASE4 DEF_BIT_09 /* Try for 100mbps 4k packets */
#define ANAR_RESV 0x1C00 /* Unused... */
#define ANAR_RFAULT DEF_BIT_13 /* Say we can detect faults */
#define ANAR_LPACK DEF_BIT_14 /* Ack link partners response */
#define ANAR_NPAGE DEF_BIT_15 /* Next page bit */
#define ANAR_FULL (ANAR_100FULL | ANAR_10FULL | ANAR_CSMA)
#define ANAR_ALL (ANAR_100FULL | ANAR_10FULL | ANAR_100HALF | ANAR_10HALF)
/* ------- MII_ANLPAR Register Bits ------- */
#define ANLPAR_SLCT 0x001F /* Same as advertise selector */
#define ANLPAR_10HALF DEF_BIT_05 /* Can do 10mbps half-duplex */
#define ANLPAR_10FULL DEF_BIT_06 /* Can do 10mbps full-duplex */
#define ANLPAR_100HALF DEF_BIT_07 /* Can do 100mbps half-duplex */
#define ANLPAR_100FULL DEF_BIT_08 /* Can do 100mbps full-duplex */
#define ANLPAR_100BASE4 DEF_BIT_09 /* Can do 100mbps 4k packets */
#define ANLPAR_RESV 0x1C00 /* Unused... */
#define ANLPAR_RFAULT DEF_BIT_13 /* Link partner faulted */
#define ANLPAR_LPACK DEF_BIT_14 /* Link partner acked us */
#define ANLPAR_NPAGE DEF_BIT_15 /* Next page bit */
#define ANLPAR_DUPLEX (ANLPAR_10FULL | ANLPAR_100FULL)
#define ANLPAR_100 (ANLPAR_100FULL | ANLPAR_100HALF | ANLPAR_100BASE4)
/* -------- MII_ANER Register Bits -------- */
#define ANER_NWAY DEF_BIT_00 /* Can do N-way auto-nego */
#define ANER_LCWP DEF_BIT_01 /* Got new RX page code word */
#define ANER_ENABLENPAGE DEF_BIT_02 /* This enables npage words */
#define ANER_NPCAPABLE DEF_BIT_03 /* Link partner supports npage */
#define ANER_MFAULTS DEF_BIT_04 /* Multiple faults detected */
#define ANER_RESV 0xFFE0 /* Unused... */
/* ----- DP83848_PHYSTS Register Bits ----- */
#define PHYSTS_LINK_STATUS DEF_BIT_00
#define PHYSTS_SPEED_STATUS DEF_BIT_01
#define PHYSTS_DUPLEX_STATUS DEF_BIT_02
#define PHYSTS_LOOPBACK_STATUS DEF_BIT_03
#define PHYSTS_AN_COMPLETE DEF_BIT_04
#define PHYSTS_JABBER_DETECT DEF_BIT_05
#define PHYSTS_REMOTE_FAULT DEF_BIT_06
#define PHYSTS_MII_INTERRUPT DEF_BIT_07
#define PHYSTS_PAGE_RCVD DEF_BIT_08
#define PHYSTS_DESCRAMBLER_LOCK DEF_BIT_09
#define PHYSTS_SIGNAL_DETECT DEF_BIT_10
#define PHYSTS_FALSE_CARRIER_SENSE DEF_BIT_11
#define PHYSTS_POLARITY_STATUS DEF_BIT_12
#define PHYSTS_RECEIVE_ERROR_LATCH DEF_BIT_13
#define PHYSTS_MDIX_MODE DEF_BIT_14
/*
*********************************************************************************************************
* 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
#define NET_PHY_ERR_RESET_TIMEOUT 12040
/*
*********************************************************************************************************
* FUNCTION PROTOTYPES
*********************************************************************************************************
*/
void NetNIC_PhyInit (NET_ERR *perr);
void NetNIC_PhyAutoNeg (void); /* Do link auto-negotiation */
/* -----------------PHY STATUS FNCTS ------------------ */
CPU_BOOLEAN NetNIC_PhyAutoNegState (void); /* Get PHY auto-negotiation state */
CPU_BOOLEAN NetNIC_PhyLinkState (void); /* Get PHY link state */
CPU_INT32U NetNIC_PhyLinkSpeed (void); /* Get PHY link speed */
CPU_INT32U NetNIC_PhyLinkDuplex (void); /* Get PHY duplex mode */
/*
*********************************************************************************************************
* 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. */
/*
*********************************************************************************************************
* 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
#ifndef EMAC_CFG_PHY_ADDR
#error "EMAC_CFG_PHY_ADDR not #define'd in 'net_bsp.h'"
#endif
#ifndef EMAC_CFG_RMII
#error "EMAC_CFG_RMII not #define'd in 'net_bsp.h'"
#error " [MUST be DEF_YES ]"
#error " [ || DEF_NO ]"
#elif ((EMAC_CFG_RMII != DEF_YES) && \
(EMAC_CFG_RMII != DEF_NO ))
#error "EMAC_CFG_RMII illegally #define'd in 'net_bsp.h'"
#error " [MUST be DEF_YES]"
#error " [ || DEF_NO ]"
#endif
#endif