smc91x.h

LUBBOCK板的BLOB

// Base Address Register
/* BANK 1 */
#define	BASE_REG	0x0002


// Individual Address Registers
/* BANK 1 */
#define	ADDR0_REG	0x0004
#define	ADDR1_REG	0x0006
#define	ADDR2_REG	0x0008


// General Purpose Register
/* BANK 1 */
#define	GP_REG		0x000A


// Control Register
/* BANK 1 */
#define	CTL_REG		0x000C
#define CTL_RCV_BAD	0x4000 // When 1 bad CRC packets are received
#define CTL_AUTO_RELEASE 0x0800 // When 1 tx pages are released automatically
#define	CTL_LE_ENABLE	0x0080 // When 1 enables Link Error interrupt
#define	CTL_CR_ENABLE	0x0040 // When 1 enables Counter Rollover interrupt
#define	CTL_TE_ENABLE	0x0020 // When 1 enables Transmit Error interrupt
#define	CTL_EEPROM_SELECT 0x0004 // Controls EEPROM reload & store
#define	CTL_RELOAD	0x0002 // When set reads EEPROM into registers
#define	CTL_STORE	0x0001 // When set stores registers into EEPROM
#define CTL_DEFAULT     (0x1210)

// MMU Command Register
/* BANK 2 */
#define MMU_CMD_REG	0x0000
#define MC_BUSY		1	// When 1 the last release has not completed
#define MC_NOP		(0<<5)	// No Op
#define	MC_ALLOC	(1<<5) 	// OR with number of 256 byte packets
#define	MC_RESET	(2<<5)	// Reset MMU to initial state
#define	MC_REMOVE	(3<<5) 	// Remove the current rx packet
#define MC_RELEASE  	(4<<5) 	// Remove and release the current rx packet
#define MC_FREEPKT  	(5<<5) 	// Release packet in PNR register
#define MC_ENQUEUE	(6<<5)	// Enqueue the packet for transmit
#define MC_RSTTXFIFO	(7<<5)	// Reset the TX FIFOs


// Packet Number Register
/* BANK 2 */
#define	PN_REG		0x0002


// Allocation Result Register
/* BANK 2 */
#define	AR_REG		0x0003
#define AR_FAILED	0x80	// Alocation Failed


// RX FIFO Ports Register
/* BANK 2 */
#define RXFIFO_REG	0x0004	// Must be read as a word
#define RXFIFO_REMPTY	0x8000	// RX FIFO Empty


// TX FIFO Ports Register
/* BANK 2 */
#define TXFIFO_REG	RXFIFO_REG	// Must be read as a word
#define TXFIFO_TEMPTY	0x80	// TX FIFO Empty


// Pointer Register
/* BANK 2 */
#define PTR_REG		0x0006
#define	PTR_RCV		0x8000 // 1=Receive area, 0=Transmit area
#define	PTR_AUTOINC 	0x4000 // Auto increment the pointer on each access
#define PTR_READ	0x2000 // When 1 the operation is a read


// Data Register
/* BANK 2 */
#define	DATA_REG	0x0008


// Interrupt Status/Acknowledge Register
/* BANK 2 */
#define	INT_REG		0x000C


// Interrupt Mask Register
/* BANK 2 */
#define IM_REG		0x000D
#define	IM_MDINT	0x80 // PHY MI Register 18 Interrupt
#define	IM_ERCV_INT	0x40 // Early Receive Interrupt
#define	IM_EPH_INT	0x20 // Set by Etheret Protocol Handler section
#define	IM_RX_OVRN_INT	0x10 // Set by Receiver Overruns
#define	IM_ALLOC_INT	0x08 // Set when allocation request is completed
#define	IM_TX_EMPTY_INT	0x04 // Set if the TX FIFO goes empty
#define	IM_TX_INT	0x02 // Transmit Interrrupt
#define IM_RCV_INT	0x01 // Receive Interrupt


// Multicast Table Registers
/* BANK 3 */
#define	MCAST_REG1	0x0000
#define	MCAST_REG2	0x0002
#define	MCAST_REG3	0x0004
#define	MCAST_REG4	0x0006


// Management Interface Register (MII)
/* BANK 3 */
#define	MII_REG		0x0008
#define MII_MSK_CRS100	0x4000 // Disables CRS100 detection during tx half dup
#define MII_MDOE	0x0008 // MII Output Enable
#define MII_MCLK	0x0004 // MII Clock, pin MDCLK
#define MII_MDI		0x0002 // MII Input, pin MDI
#define MII_MDO		0x0001 // MII Output, pin MDO


// Revision Register
/* BANK 3 */
#define	REV_REG		0x000A /* ( hi: chip id   low: rev # ) */


// Early RCV Register
/* BANK 3 */
/* this is NOT on SMC9192 */
#define	ERCV_REG	0x000C
#define ERCV_RCV_DISCRD	0x0080 // When 1 discards a packet being received
#define ERCV_THRESHOLD	0x001F // ERCV Threshold Mask

// External Register
/* BANK 7 */
#define	EXT_REG		0x0000


#define CHIP_9192	3
#define CHIP_9194	4
#define CHIP_9195	5
#define CHIP_9196	6
#define CHIP_91100	7
#define CHIP_91100FD	8
#define CHIP_91111FD	9

#if 0
static const char * chip_ids[ 15 ] =  { 
	NULL, NULL, NULL, 
	/* 3 */ "SMC91C90/91C92",
	/* 4 */ "SMC91C94",
	/* 5 */ "SMC91C95",
	/* 6 */ "SMC91C96",
	/* 7 */ "SMC91C100", 
	/* 8 */ "SMC91C100FD", 
	/* 9 */ "SMC91C111", 
	NULL, NULL, 
	NULL, NULL, NULL};  
#endif

/* 
 . Transmit status bits 
*/
#define TS_SUCCESS 0x0001
#define TS_LOSTCAR 0x0400
#define TS_LATCOL  0x0200
#define TS_16COL   0x0010

/*
 . Receive status bits
*/
#define RS_ALGNERR	0x8000
#define RS_BRODCAST	0x4000
#define RS_BADCRC	0x2000
#define RS_ODDFRAME	0x1000	// bug: the LAN91C111 never sets this on receive
#define RS_TOOLONG	0x0800
#define RS_TOOSHORT	0x0400
#define RS_MULTICAST	0x0001
#define RS_ERRORS	(RS_ALGNERR | RS_BADCRC | RS_TOOLONG | RS_TOOSHORT) 


// PHY Types
enum {
	PHY_LAN83C183 = 1,	// LAN91C111 Internal PHY
	PHY_LAN83C180
};


// PHY Register Addresses (LAN91C111 Internal PHY)

// PHY Control Register
#define PHY_CNTL_REG		0x00
#define PHY_CNTL_RST		0x8000	// 1=PHY Reset
#define PHY_CNTL_LPBK		0x4000	// 1=PHY Loopback
#define PHY_CNTL_SPEED		0x2000	// 1=100Mbps, 0=10Mpbs
#define PHY_CNTL_ANEG_EN	0x1000 // 1=Enable Auto negotiation
#define PHY_CNTL_PDN		0x0800	// 1=PHY Power Down mode
#define PHY_CNTL_MII_DIS	0x0400	// 1=MII 4 bit interface disabled
#define PHY_CNTL_ANEG_RST	0x0200 // 1=Reset Auto negotiate
#define PHY_CNTL_DPLX		0x0100	// 1=Full Duplex, 0=Half Duplex
#define PHY_CNTL_COLTST		0x0080	// 1= MII Colision Test

// PHY Status Register
#define PHY_STAT_REG		0x01
#define PHY_STAT_CAP_T4		0x8000	// 1=100Base-T4 capable
#define PHY_STAT_CAP_TXF	0x4000	// 1=100Base-X full duplex capable
#define PHY_STAT_CAP_TXH	0x2000	// 1=100Base-X half duplex capable
#define PHY_STAT_CAP_TF		0x1000	// 1=10Mbps full duplex capable
#define PHY_STAT_CAP_TH		0x0800	// 1=10Mbps half duplex capable
#define PHY_STAT_CAP_SUPR	0x0040	// 1=recv mgmt frames with not preamble
#define PHY_STAT_ANEG_ACK	0x0020	// 1=ANEG has completed
#define PHY_STAT_REM_FLT	0x0010	// 1=Remote Fault detected
#define PHY_STAT_CAP_ANEG	0x0008	// 1=Auto negotiate capable
#define PHY_STAT_LINK		0x0004	// 1=valid link
#define PHY_STAT_JAB		0x0002	// 1=10Mbps jabber condition
#define PHY_STAT_EXREG		0x0001	// 1=extended registers implemented

// PHY Identifier Registers
#define PHY_ID1_REG		0x02	// PHY Identifier 1
#define PHY_ID2_REG		0x03	// PHY Identifier 2

// PHY Auto-Negotiation Advertisement Register
#define PHY_AD_REG		0x04
#define PHY_AD_NP		0x8000	// 1=PHY requests exchange of Next Page
#define PHY_AD_ACK		0x4000	// 1=got link code word from remote
#define PHY_AD_RF		0x2000	// 1=advertise remote fault
#define PHY_AD_T4		0x0200	// 1=PHY is capable of 100Base-T4
#define PHY_AD_TX_FDX		0x0100	// 1=PHY is capable of 100Base-TX FDPLX
#define PHY_AD_TX_HDX		0x0080	// 1=PHY is capable of 100Base-TX HDPLX
#define PHY_AD_10_FDX		0x0040	// 1=PHY is capable of 10Base-T FDPLX
#define PHY_AD_10_HDX		0x0020	// 1=PHY is capable of 10Base-T HDPLX
#define PHY_AD_CSMA		0x0001	// 1=PHY is capable of 802.3 CMSA

// PHY Auto-negotiation Remote End Capability Register
#define PHY_RMT_REG		0x05
// Uses same bit definitions as PHY_AD_REG

// PHY Configuration Register 1
#define PHY_CFG1_REG		0x10
#define PHY_CFG1_LNKDIS		0x8000	// 1=Rx Link Detect Function disabled
#define PHY_CFG1_XMTDIS		0x4000	// 1=TP Transmitter Disabled
#define PHY_CFG1_XMTPDN		0x2000	// 1=TP Transmitter Powered Down
#define PHY_CFG1_BYPSCR		0x0400	// 1=Bypass scrambler/descrambler
#define PHY_CFG1_UNSCDS		0x0200	// 1=Unscramble Idle Reception Disable
#define PHY_CFG1_EQLZR		0x0100	// 1=Rx Equalizer Disabled
#define PHY_CFG1_CABLE		0x0080	// 1=STP(150ohm), 0=UTP(100ohm)
#define PHY_CFG1_RLVL0		0x0040	// 1=Rx Squelch level reduced by 4.5db
#define PHY_CFG1_TLVL_SHIFT	2	// Transmit Output Level Adjust
#define PHY_CFG1_TLVL_MASK	0x003C
#define PHY_CFG1_TRF_MASK	0x0003	// Transmitter Rise/Fall time


// PHY Configuration Register 2
#define PHY_CFG2_REG		0x11
#define PHY_CFG2_APOLDIS	0x0020	// 1=Auto Polarity Correction disabled
#define PHY_CFG2_JABDIS		0x0010	// 1=Jabber disabled
#define PHY_CFG2_MREG		0x0008	// 1=Multiple register access (MII mgt)
#define PHY_CFG2_INTMDIO	0x0004	// 1=Interrupt signaled with MDIO pulseo

// PHY Status Output (and Interrupt status) Register
#define PHY_INT_REG		0x12	// Status Output (Interrupt Status)
#define PHY_INT_INT		0x8000	// 1=bits have changed since last read
#define	PHY_INT_LNKFAIL		0x4000	// 1=Link Not detected
#define PHY_INT_LOSSSYNC	0x2000	// 1=Descrambler has lost sync
#define PHY_INT_CWRD		0x1000	// 1=Invalid 4B5B code detected on rx
#define PHY_INT_SSD		0x0800	// 1=No Start Of Stream detected on rx
#define PHY_INT_ESD		0x0400	// 1=No End Of Stream detected on rx
#define PHY_INT_RPOL		0x0200	// 1=Reverse Polarity detected
#define PHY_INT_JAB		0x0100	// 1=Jabber detected
#define PHY_INT_SPDDET		0x0080	// 1=100Base-TX mode, 0=10Base-T mode
#define PHY_INT_DPLXDET		0x0040	// 1=Device in Full Duplex

// PHY Interrupt/Status Mask Register
#define PHY_MASK_REG		0x13	// Interrupt Mask
// Uses the same bit definitions as PHY_INT_REG



/*-------------------------------------------------------------------------
 .  I define some macros to make it easier to do somewhat common
 . or slightly complicated, repeated tasks. 
 --------------------------------------------------------------------------*/

/* select a register bank, 0 to 3  */

#define SMC_SELECT_BANK(x)  { SMC_outw( x, BANK_SELECT ); } 

/* this enables an interrupt in the interrupt mask register */
#define SMC_ENABLE_INT(x) {\
		unsigned char mask;\
		SMC_SELECT_BANK(2);\
		mask = SMC_inb( IM_REG );\
		mask |= (x);\
		SMC_outb( mask, IM_REG ); \
}

/* this disables an interrupt from the interrupt mask register */

#define SMC_DISABLE_INT(x) {\
		unsigned char mask;\
		SMC_SELECT_BANK(2);\
		mask = SMC_inb( IM_REG );\
		mask &= ~(x);\
		SMC_outb( mask, IM_REG ); \
}

/*----------------------------------------------------------------------
 . Define the interrupts that I want to receive from the card
 . 
 . I want: 
 .  IM_EPH_INT, for nasty errors
 .  IM_RCV_INT, for happy received packets
 .  IM_RX_OVRN_INT, because I have to kick the receiver
 .  IM_MDINT, for PHY Register 18 Status Changes
 --------------------------------------------------------------------------*/
#define SMC_INTERRUPT_MASK   (IM_EPH_INT | IM_RX_OVRN_INT | IM_RCV_INT | \
	IM_MDINT) 

/* SMC91c96 ethernet config and status registers. */

#define ECOR		0x8000
#define ECOR_RESET	0x80
#define ECOR_LEVEL_IRQ	0x40
#define ECOR_WR_ATTRIB	0x04
#define ECOR_ENABLE	0x01

#define ECSR		0x8002
#define ECSR_IOIS8	0x20
#define ECSR_PWRDWN	0x04
#define ECSR_INT	0x02

#endif  /* _SMC_91X_H_ */