smc91x.h

pxa270 NOR FLASH驱动代码

	/* 5 */ "SMC91C95",
	/* 6 */ "SMC91C96",
	/* 7 */ "SMC91C100",
	/* 8 */ "SMC91C100FD",
	/* 9 */ "SMC91C11xFD",
	NULL, NULL, NULL,
	NULL, NULL, NULL};


/*
 . 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
#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


/*
 * SMC91C96 ethernet config and status registers.
 * These are in the "attribute" space.
 */
#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


/*
 * Macros to abstract register access according to the data bus
 * capabilities.  Please try to use those and not the in/out primitives.
 * Note: the following macros do *not* select the bank -- this must
 * be done separately as needed in the main code.  The SMC_REG() macro
 * only uses the bank argument for debugging purposes.
 */

#if SMC_DEBUG > 0
#define SMC_REG(reg, bank)						\
	({								\
		int __b = SMC_CURRENT_BANK();				\
		if ((__b & ~0xf0) != (0x3300 | bank)) {			\
			printk( "%s: bank reg screwed (0x%04x)\n",	\
				CARDNAME, __b );			\
			BUG();						\
		}							\
		reg<<SMC_IO_SHIFT;					\
	})
#else
#define SMC_REG(reg, bank)	(reg<<SMC_IO_SHIFT)
#endif

#if SMC_CAN_USE_8BIT
#define SMC_GET_PN()		SMC_inb( ioaddr, PN_REG )
#define SMC_SET_PN(x)		SMC_outb( x, ioaddr, PN_REG )
#define SMC_GET_AR()		SMC_inb( ioaddr, AR_REG )
#define SMC_GET_TXFIFO()	SMC_inb( ioaddr, TXFIFO_REG )
#define SMC_GET_RXFIFO()	SMC_inb( ioaddr, RXFIFO_REG )
#define SMC_GET_INT()		SMC_inb( ioaddr, INT_REG )
#define SMC_ACK_INT(x)		SMC_outb( x, ioaddr, INT_REG )
#define SMC_GET_INT_MASK()	SMC_inb( ioaddr, IM_REG )
#define SMC_SET_INT_MASK(x)	SMC_outb( x, ioaddr, IM_REG )
#else
#define SMC_GET_PN()		(SMC_inw( ioaddr, PN_REG ) & 0xFF)
#define SMC_SET_PN(x)		SMC_outw( x, ioaddr, PN_REG )
#define SMC_GET_AR()		(SMC_inw( ioaddr, PN_REG ) >> 8)
#define SMC_GET_TXFIFO()	(SMC_inw( ioaddr, TXFIFO_REG ) & 0xFF)
#define SMC_GET_RXFIFO()	(SMC_inw( ioaddr, TXFIFO_REG ) >> 8)
#define SMC_GET_INT()		(SMC_inw( ioaddr, INT_REG ) & 0xFF)
#define SMC_ACK_INT(x)							\
	do {								\
		long __flags;						\
		int __mask;						\
		__mask = SMC_inw( ioaddr, INT_REG ) & ~0xff;		\
		SMC_outw( __mask | (x), ioaddr, INT_REG );		\
	} while (0)
#define SMC_GET_INT_MASK()	(SMC_inw( ioaddr, INT_REG ) >> 8)
#define SMC_SET_INT_MASK(x)	SMC_outw( (x) << 8, ioaddr, INT_REG )
#endif

#define SMC_CURRENT_BANK()	SMC_inw( ioaddr, BANK_SELECT )
#define SMC_SELECT_BANK(x)	SMC_outw( x, ioaddr, BANK_SELECT )
#define SMC_GET_BASE()		SMC_inw( ioaddr, BASE_REG )
#define SMC_SET_BASE(x)		SMC_outw( x, ioaddr, BASE_REG )
#define SMC_GET_CONFIG()	SMC_inw( ioaddr, CONFIG_REG )
#define SMC_SET_CONFIG(x)	SMC_outw( x, ioaddr, CONFIG_REG )
#define SMC_GET_COUNTER()	SMC_inw( ioaddr, COUNTER_REG )
#define SMC_GET_CTL()		SMC_inw( ioaddr, CTL_REG )
#define SMC_SET_CTL(x)		SMC_outw( x, ioaddr, CTL_REG )
#define SMC_GET_MII()		SMC_inw( ioaddr, MII_REG )
#define SMC_SET_MII(x)		SMC_outw( x, ioaddr, MII_REG )
#define SMC_GET_MIR()		SMC_inw( ioaddr, MIR_REG )
#define SMC_SET_MIR(x)		SMC_outw( x, ioaddr, MIR_REG )
#define SMC_GET_MMU_CMD()	SMC_inw( ioaddr, MMU_CMD_REG )
#define SMC_SET_MMU_CMD(x)	SMC_outw( x, ioaddr, MMU_CMD_REG )
#define SMC_GET_FIFO()		SMC_inw( ioaddr, FIFO_REG )
#define SMC_GET_PTR()		SMC_inw( ioaddr, PTR_REG )
#define SMC_SET_PTR(x)		SMC_outw( x, ioaddr, PTR_REG )
#define SMC_GET_RCR()		SMC_inw( ioaddr, RCR_REG )
#define SMC_SET_RCR(x)		SMC_outw( x, ioaddr, RCR_REG )
#define SMC_GET_REV()		SMC_inw( ioaddr, REV_REG )
#define SMC_GET_RPC()		SMC_inw( ioaddr, RPC_REG )
#define SMC_SET_RPC(x)		SMC_outw( x, ioaddr, RPC_REG )
#define SMC_GET_TCR()		SMC_inw( ioaddr, TCR_REG )
#define SMC_SET_TCR(x)		SMC_outw( x, ioaddr, TCR_REG )

#ifndef SMC_GET_MAC_ADDR
#define SMC_GET_MAC_ADDR(addr)						\
	do {								\
		unsigned int __v;					\
		__v = SMC_inw( ioaddr, ADDR0_REG );			\
		addr[0] = __v; addr[1] = __v >> 8;			\
		__v = SMC_inw( ioaddr, ADDR1_REG );			\
		addr[2] = __v; addr[3] = __v >> 8;			\
		__v = SMC_inw( ioaddr, ADDR2_REG );			\
		addr[4] = __v; addr[5] = __v >> 8;			\
	} while (0)
#endif

#define SMC_SET_MAC_ADDR(addr)						\
	do {								\
		SMC_outw( addr[0]|(addr[1] << 8), ioaddr, ADDR0_REG );	\
		SMC_outw( addr[2]|(addr[3] << 8), ioaddr, ADDR1_REG );	\
		SMC_outw( addr[4]|(addr[5] << 8), ioaddr, ADDR2_REG );	\
	} while (0)

#define SMC_CLEAR_MCAST()						\
	do {								\
		SMC_outw( 0, ioaddr, MCAST_REG1 );			\
		SMC_outw( 0, ioaddr, MCAST_REG2 );			\
		SMC_outw( 0, ioaddr, MCAST_REG3 );			\
		SMC_outw( 0, ioaddr, MCAST_REG4 );			\
	} while (0)
#define SMC_SET_MCAST(x)						\
	do {								\
		unsigned char *mt = (x);				\
		SMC_outw( mt[0] | (mt[1] << 8), ioaddr, MCAST_REG1 );	\
		SMC_outw( mt[2] | (mt[3] << 8), ioaddr, MCAST_REG2 );	\
		SMC_outw( mt[4] | (mt[5] << 8), ioaddr, MCAST_REG3 );	\
		SMC_outw( mt[6] | (mt[7] << 8), ioaddr, MCAST_REG4 );	\
	} while (0)

#if SMC_CAN_USE_32BIT
/*
 * Some setups just can't write 8 or 16 bits reliably when not aligned
 * to a 32 bit boundary.  I tell you that exists!
 * We do the ones that can have their low parts written to 0 here.
 */
#undef SMC_SELECT_BANK
#define SMC_SELECT_BANK(x)	SMC_outl( (x)<<16, ioaddr, 12<<SMC_IO_SHIFT )
#undef SMC_SET_RPC
#define SMC_SET_RPC(x)		SMC_outl( (x)<<16, ioaddr, SMC_REG(8, 0) )
#undef SMC_SET_PN
#define SMC_SET_PN(x)		SMC_outl( (x)<<16, ioaddr, SMC_REG(0, 2) )
#undef SMC_SET_PTR
#define SMC_SET_PTR(x)		SMC_outl( (x)<<16, ioaddr, SMC_REG(4, 2) )
#endif

#if SMC_CAN_USE_32BIT
#define SMC_PUT_PKT_HDR(status, length)					\
	SMC_outl( (status) | (length) << 16, ioaddr, DATA_REG )
#define SMC_GET_PKT_HDR(status, length)					\
	do {								\
		unsigned int __val = SMC_inl( ioaddr, DATA_REG );	\
		(status) = __val & 0xffff;				\
		(length) = __val >> 16;					\
	} while (0)
#else
#define SMC_PUT_PKT_HDR(status, length)					\
	do {								\
		SMC_outw( status, ioaddr, DATA_REG );			\
		SMC_outw( length, ioaddr, DATA_REG );			\
	} while (0)
#define SMC_GET_PKT_HDR(status, length)					\
	do {								\
		(status) = SMC_inw( ioaddr, DATA_REG );			\
		(length) = SMC_inw( ioaddr, DATA_REG );			\
	} while (0)
#endif

#if SMC_CAN_USE_32BIT
#define SMC_PUSH_DATA(p, l)						\
	do {								\
		char *__ptr = (char *)(p);					\
		int __len = (l);					\
		if (__len >= 2 && (long)__ptr & 2) {			\
			__len -= 2;					\
			SMC_outw( *((u16 *)__ptr)++, ioaddr, DATA_REG );\
		}							\
		SMC_outsl( ioaddr, DATA_REG, __ptr, __len >> 2);	\
		if (__len & 2) {					\
			__ptr += (__len & ~3);				\
			SMC_outw( *((u16 *)__ptr), ioaddr, DATA_REG );	\
		}							\
	} while (0)
#define SMC_PULL_DATA(p, l)						\
	do {								\
		char *__ptr = (char *)(p);					\
		int __len = (l);					\
		if ((long)__ptr & 2) {					\
			/*						\
			 * We want 32bit alignment here.		\
			 * Since some buses perform a full 32bit	\
			 * fetch even for 16bit data we can't use	\
			 * SMC_inw() here.  Back both source (on chip	\
			 * and destination) pointers of 2 bytes.	\
			 */						\
			(long)__ptr &= ~2;				\
			__len += 2;					\
			SMC_SET_PTR( 2|PTR_READ|PTR_RCV|PTR_AUTOINC );	\
		}							\
		__len += 2;						\
		SMC_insl( ioaddr, DATA_REG, __ptr, __len >> 2);		\
	} while (0)
#elif SMC_CAN_USE_16BIT
#define SMC_PUSH_DATA(p, l)	SMC_outsw( ioaddr, DATA_REG, p, (l) >> 1 )
#define SMC_PULL_DATA(p, l)	SMC_insw ( ioaddr, DATA_REG, p, (l) >> 1 )
#elif SMC_CAN_USE_8BIT
#define SMC_PUSH_DATA(p, l)	SMC_outsb( ioaddr, DATA_REG, p, l )
#define SMC_PULL_DATA(p, l)	SMC_insb ( ioaddr, DATA_REG, p, l )
#endif

#if ! SMC_CAN_USE_16BIT
#define SMC_outw(x, ioaddr, reg)					\
	do {								\
		unsigned int __val16 = (x);				\
		SMC_outb( __val16, ioaddr, reg );			\
		SMC_outb( __val16 >> 8, ioaddr, reg + 1 );		\
	} while (0)
#define SMC_inw(ioaddr, reg)						\
	({								\
		unsigned int __val16;					\
		__val16 =  SMC_inb( ioaddr, reg );			\
		__val16 |= SMC_inb( ioaddr, reg + 1 ) << 8;		\
		__val16;						\
	})
#endif


#endif  /* _SMC91X_H_ */