diff options
| -rw-r--r-- | drivers/net/xilinx_emac.c | 229 | ||||
| -rw-r--r-- | drivers/net/xilinx_emac.h | 121 | ||||
| -rw-r--r-- | drivers/net/xilinx_emaclite.c | 256 | 
3 files changed, 314 insertions, 292 deletions
| diff --git a/drivers/net/xilinx_emac.c b/drivers/net/xilinx_emac.c index d44f31e8a..23567cc40 100644 --- a/drivers/net/xilinx_emac.c +++ b/drivers/net/xilinx_emac.c @@ -41,76 +41,78 @@  static unsigned int etherrxbuff[PKTSIZE_ALIGN/4]; /* Receive buffer */ -static u8 EMACAddr[ENET_ADDR_LENGTH] = { 0x00, 0x0a, 0x35, 0x00, 0x22, 0x01 }; +static u8 emacaddr[ENET_ADDR_LENGTH] = { 0x00, 0x0a, 0x35, 0x00, 0x22, 0x01 }; -static XEmac Emac; +static xemac emac;  void eth_halt(void)  { -	return; +#ifdef DEBUG +	puts ("eth_halt\n"); +#endif  }  int eth_init(bd_t * bis)  { -	u32 HelpReg; +	u32 helpreg;  #ifdef DEBUG  	printf("EMAC Initialization Started\n\r");  #endif -	if (Emac.IsStarted) { +	if (emac.isstarted) {  		puts("Emac is started\n");  		return 0;  	} -	memset (&Emac, 0, sizeof (XEmac)); +	memset (&emac, 0, sizeof (xemac)); -	Emac.BaseAddress = XILINX_EMAC_BASEADDR; +	emac.baseaddress = XILINX_EMAC_BASEADDR;  	/* Setting up FIFOs */ -	Emac.RecvFifo.RegBaseAddress = Emac.BaseAddress + +	emac.recvfifo.regbaseaddress = emac.baseaddress +  					XEM_PFIFO_RXREG_OFFSET; -	Emac.RecvFifo.DataBaseAddress = Emac.BaseAddress + +	emac.recvfifo.databaseaddress = emac.baseaddress +  					XEM_PFIFO_RXDATA_OFFSET; -	out_be32 (Emac.RecvFifo.RegBaseAddress, XPF_RESET_FIFO_MASK); +	out_be32 (emac.recvfifo.regbaseaddress, XPF_RESET_FIFO_MASK); -	Emac.SendFifo.RegBaseAddress = Emac.BaseAddress + +	emac.sendfifo.regbaseaddress = emac.baseaddress +  					XEM_PFIFO_TXREG_OFFSET; -	Emac.SendFifo.DataBaseAddress = Emac.BaseAddress + +	emac.sendfifo.databaseaddress = emac.baseaddress +  					XEM_PFIFO_TXDATA_OFFSET; -	out_be32 (Emac.SendFifo.RegBaseAddress, XPF_RESET_FIFO_MASK); +	out_be32 (emac.sendfifo.regbaseaddress, XPF_RESET_FIFO_MASK);  	/* Reset the entire IPIF */ -	out_be32 (Emac.BaseAddress + XIIF_V123B_RESETR_OFFSET, +	out_be32 (emac.baseaddress + XIIF_V123B_RESETR_OFFSET,  					XIIF_V123B_RESET_MASK);  	/* Stopping EMAC for setting up MAC */ -	HelpReg = in_be32 (Emac.BaseAddress + XEM_ECR_OFFSET); -	HelpReg &= ~(XEM_ECR_XMIT_ENABLE_MASK | XEM_ECR_RECV_ENABLE_MASK); -	out_be32 (Emac.BaseAddress + XEM_ECR_OFFSET, HelpReg); +	helpreg = in_be32 (emac.baseaddress + XEM_ECR_OFFSET); +	helpreg &= ~(XEM_ECR_XMIT_ENABLE_MASK | XEM_ECR_RECV_ENABLE_MASK); +	out_be32 (emac.baseaddress + XEM_ECR_OFFSET, helpreg);  	if (!getenv("ethaddr")) { -		memcpy(bis->bi_enetaddr, EMACAddr, ENET_ADDR_LENGTH); +		memcpy(bis->bi_enetaddr, emacaddr, ENET_ADDR_LENGTH);  	}  	/* Set the device station address high and low registers */ -	HelpReg = (bis->bi_enetaddr[0] << 8) | bis->bi_enetaddr[1]; -	out_be32 (Emac.BaseAddress + XEM_SAH_OFFSET, HelpReg); -	HelpReg = (bis->bi_enetaddr[2] << 24) | (bis->bi_enetaddr[3] << 16) | +	helpreg = (bis->bi_enetaddr[0] << 8) | bis->bi_enetaddr[1]; +	out_be32 (emac.baseaddress + XEM_SAH_OFFSET, helpreg); +	helpreg = (bis->bi_enetaddr[2] << 24) | (bis->bi_enetaddr[3] << 16) |  			(bis->bi_enetaddr[4] << 8) | bis->bi_enetaddr[5]; -	out_be32 (Emac.BaseAddress + XEM_SAL_OFFSET, HelpReg); +	out_be32 (emac.baseaddress + XEM_SAL_OFFSET, helpreg); -	HelpReg = XEM_ECR_UNICAST_ENABLE_MASK | XEM_ECR_BROAD_ENABLE_MASK | +	helpreg = XEM_ECR_UNICAST_ENABLE_MASK | XEM_ECR_BROAD_ENABLE_MASK |  		XEM_ECR_FULL_DUPLEX_MASK | XEM_ECR_XMIT_FCS_ENABLE_MASK |  		XEM_ECR_XMIT_PAD_ENABLE_MASK | XEM_ECR_PHY_ENABLE_MASK; -	out_be32 (Emac.BaseAddress + XEM_ECR_OFFSET, HelpReg); +	out_be32 (emac.baseaddress + XEM_ECR_OFFSET, helpreg); -	Emac.IsStarted = 1; +	emac.isstarted = 1;  	/* Enable the transmitter, and receiver */ -	HelpReg = in_be32 (Emac.BaseAddress + XEM_ECR_OFFSET); -	HelpReg &= ~(XEM_ECR_XMIT_RESET_MASK | XEM_ECR_RECV_RESET_MASK); -	HelpReg |= (XEM_ECR_XMIT_ENABLE_MASK | XEM_ECR_RECV_ENABLE_MASK); -	out_be32 (Emac.BaseAddress + XEM_ECR_OFFSET, HelpReg); +	helpreg = in_be32 (emac.baseaddress + XEM_ECR_OFFSET); +	helpreg &= ~(XEM_ECR_XMIT_RESET_MASK | XEM_ECR_RECV_RESET_MASK); +	helpreg |= (XEM_ECR_XMIT_ENABLE_MASK | XEM_ECR_RECV_ENABLE_MASK); +	out_be32 (emac.baseaddress + XEM_ECR_OFFSET, helpreg);  	printf("EMAC Initialization complete\n\r");  	return 0; @@ -118,12 +120,12 @@ int eth_init(bd_t * bis)  int eth_send(volatile void *ptr, int len)  { -	u32 IntrStatus; -	u32 XmitStatus; -	u32 FifoCount; -	u32 WordCount; -	u32 ExtraByteCount; -	u32 *WordBuffer = (u32 *) ptr; +	u32 intrstatus; +	u32 xmitstatus; +	u32 fifocount; +	u32 wordcount; +	u32 extrabytecount; +	u32 *wordbuffer = (u32 *) ptr;  	if (len > ENET_MAX_MTU)  		len = ENET_MAX_MTU; @@ -135,20 +137,20 @@ int eth_send(volatile void *ptr, int len)  	 * continue. The upper layer software should reset the device to resolve  	 * the error.  	 */ -	IntrStatus = in_be32 ((Emac.BaseAddress) + XIIF_V123B_IISR_OFFSET); -	if (IntrStatus & (XEM_EIR_XMIT_SFIFO_OVER_MASK | +	intrstatus = in_be32 ((emac.baseaddress) + XIIF_V123B_IISR_OFFSET); +	if (intrstatus & (XEM_EIR_XMIT_SFIFO_OVER_MASK |  			XEM_EIR_XMIT_LFIFO_OVER_MASK)) {  #ifdef DEBUG  		puts ("Transmitting overrun error\n");  #endif  		return 0; -	} else if (IntrStatus & (XEM_EIR_XMIT_SFIFO_UNDER_MASK | +	} else if (intrstatus & (XEM_EIR_XMIT_SFIFO_UNDER_MASK |  			XEM_EIR_XMIT_LFIFO_UNDER_MASK)) {  #ifdef DEBUG  		puts ("Transmitting underrun error\n");  #endif  		return 0; -	} else if (in_be32 (Emac.SendFifo.RegBaseAddress + +	} else if (in_be32 (emac.sendfifo.regbaseaddress +  			XPF_COUNT_STATUS_REG_OFFSET) & XPF_DEADLOCK_MASK) {  #ifdef DEBUG  		puts("Transmitting fifo error\n"); @@ -165,9 +167,9 @@ int eth_send(volatile void *ptr, int len)  	 * Clear the latched LFIFO_FULL bit so next time around the most  	 * current status is represented  	 */ -	if (IntrStatus & XEM_EIR_XMIT_LFIFO_FULL_MASK) { -		out_be32 ((Emac.BaseAddress) + XIIF_V123B_IISR_OFFSET, IntrStatus -				& XEM_EIR_XMIT_LFIFO_FULL_MASK); +	if (intrstatus & XEM_EIR_XMIT_LFIFO_FULL_MASK) { +		out_be32 ((emac.baseaddress) + XIIF_V123B_IISR_OFFSET, +			intrstatus & XEM_EIR_XMIT_LFIFO_FULL_MASK);  #ifdef DEBUG  		puts ("Fifo is full\n");  #endif @@ -175,72 +177,72 @@ int eth_send(volatile void *ptr, int len)  	}  	/* get the count of how many words may be inserted into the FIFO */ -	FifoCount = in_be32 (Emac.SendFifo.RegBaseAddress + +	fifocount = in_be32 (emac.sendfifo.regbaseaddress +  				XPF_COUNT_STATUS_REG_OFFSET) & XPF_COUNT_MASK; -	WordCount = len >> 2; -	ExtraByteCount = len & 0x3; +	wordcount = len >> 2; +	extrabytecount = len & 0x3; -	if (FifoCount < WordCount) { +	if (fifocount < wordcount) {  #ifdef DEBUG  		puts ("Sending packet is larger then size of FIFO\n");  #endif  		return 0;  	} -	for (FifoCount = 0; FifoCount < WordCount; FifoCount++) { -		out_be32 (Emac.SendFifo.DataBaseAddress, WordBuffer[FifoCount]); +	for (fifocount = 0; fifocount < wordcount; fifocount++) { +		out_be32 (emac.sendfifo.databaseaddress, wordbuffer[fifocount]);  	} -	if (ExtraByteCount > 0) { -		u32 LastWord = 0; -		u8 *ExtraBytesBuffer = (u8 *) (WordBuffer + WordCount); +	if (extrabytecount > 0) { +		u32 lastword = 0; +		u8 *extrabytesbuffer = (u8 *) (wordbuffer + wordcount); -		if (ExtraByteCount == 1) { -			LastWord = ExtraBytesBuffer[0] << 24; -		} else if (ExtraByteCount == 2) { -			LastWord = ExtraBytesBuffer[0] << 24 | -				ExtraBytesBuffer[1] << 16; -		} else if (ExtraByteCount == 3) { -			LastWord = ExtraBytesBuffer[0] << 24 | -				ExtraBytesBuffer[1] << 16 | -				ExtraBytesBuffer[2] << 8; +		if (extrabytecount == 1) { +			lastword = extrabytesbuffer[0] << 24; +		} else if (extrabytecount == 2) { +			lastword = extrabytesbuffer[0] << 24 | +				extrabytesbuffer[1] << 16; +		} else if (extrabytecount == 3) { +			lastword = extrabytesbuffer[0] << 24 | +				extrabytesbuffer[1] << 16 | +				extrabytesbuffer[2] << 8;  		} -		out_be32 (Emac.SendFifo.DataBaseAddress, LastWord); +		out_be32 (emac.sendfifo.databaseaddress, lastword);  	}  	/* Loop on the MAC's status to wait for any pause to complete */ -	IntrStatus = in_be32 ((Emac.BaseAddress) + XIIF_V123B_IISR_OFFSET); -	while ((IntrStatus & XEM_EIR_XMIT_PAUSE_MASK) != 0) { -		IntrStatus = in_be32 ((Emac.BaseAddress) + +	intrstatus = in_be32 ((emac.baseaddress) + XIIF_V123B_IISR_OFFSET); +	while ((intrstatus & XEM_EIR_XMIT_PAUSE_MASK) != 0) { +		intrstatus = in_be32 ((emac.baseaddress) +  					XIIF_V123B_IISR_OFFSET);  		/* Clear the pause status from the transmit status register */ -		out_be32 ((Emac.BaseAddress) + XIIF_V123B_IISR_OFFSET, -				IntrStatus & XEM_EIR_XMIT_PAUSE_MASK); +		out_be32 ((emac.baseaddress) + XIIF_V123B_IISR_OFFSET, +				intrstatus & XEM_EIR_XMIT_PAUSE_MASK);  	}  	/*  	 * Set the MAC's transmit packet length register to tell it to transmit  	 */ -	out_be32 (Emac.BaseAddress + XEM_TPLR_OFFSET, len); +	out_be32 (emac.baseaddress + XEM_TPLR_OFFSET, len);  	/*  	 * Loop on the MAC's status to wait for the transmit to complete.  	 * The transmit status is in the FIFO when the XMIT_DONE bit is set.  	 */  	do { -		IntrStatus = in_be32 ((Emac.BaseAddress) + +		intrstatus = in_be32 ((emac.baseaddress) +  						XIIF_V123B_IISR_OFFSET);  	} -	while ((IntrStatus & XEM_EIR_XMIT_DONE_MASK) == 0); +	while ((intrstatus & XEM_EIR_XMIT_DONE_MASK) == 0); -	XmitStatus = in_be32 (Emac.BaseAddress + XEM_TSR_OFFSET); +	xmitstatus = in_be32 (emac.baseaddress + XEM_TSR_OFFSET); -	if (IntrStatus & (XEM_EIR_XMIT_SFIFO_OVER_MASK | +	if (intrstatus & (XEM_EIR_XMIT_SFIFO_OVER_MASK |  					XEM_EIR_XMIT_LFIFO_OVER_MASK)) {  #ifdef DEBUG  		puts ("Transmitting overrun error\n");  #endif  		return 0; -	} else if (IntrStatus & (XEM_EIR_XMIT_SFIFO_UNDER_MASK | +	} else if (intrstatus & (XEM_EIR_XMIT_SFIFO_UNDER_MASK |  					XEM_EIR_XMIT_LFIFO_UNDER_MASK)) {  #ifdef DEBUG  		puts ("Transmitting underrun error\n"); @@ -249,15 +251,15 @@ int eth_send(volatile void *ptr, int len)  	}  	/* Clear the interrupt status register of transmit statuses */ -	out_be32 ((Emac.BaseAddress) + XIIF_V123B_IISR_OFFSET, -				IntrStatus & XEM_EIR_XMIT_ALL_MASK); +	out_be32 ((emac.baseaddress) + XIIF_V123B_IISR_OFFSET, +				intrstatus & XEM_EIR_XMIT_ALL_MASK);  	/*  	 * Collision errors are stored in the transmit status register  	 * instead of the interrupt status register  	 */ -	if ((XmitStatus & XEM_TSR_EXCESS_DEFERRAL_MASK) || -				(XmitStatus & XEM_TSR_LATE_COLLISION_MASK)) { +	if ((xmitstatus & XEM_TSR_EXCESS_DEFERRAL_MASK) || +				(xmitstatus & XEM_TSR_LATE_COLLISION_MASK)) {  #ifdef DEBUG  		puts ("Transmitting collision error\n");  #endif @@ -268,17 +270,17 @@ int eth_send(volatile void *ptr, int len)  int eth_rx(void)  { -	u32 PktLength; -	u32 IntrStatus; -	u32 FifoCount; -	u32 WordCount; -	u32 ExtraByteCount; -	u32 LastWord; -	u8 *ExtraBytesBuffer; +	u32 pktlength; +	u32 intrstatus; +	u32 fifocount; +	u32 wordcount; +	u32 extrabytecount; +	u32 lastword; +	u8 *extrabytesbuffer; -	if (in_be32 (Emac.RecvFifo.RegBaseAddress + XPF_COUNT_STATUS_REG_OFFSET) +	if (in_be32 (emac.recvfifo.regbaseaddress + XPF_COUNT_STATUS_REG_OFFSET)  			& XPF_DEADLOCK_MASK) { -		out_be32 (Emac.RecvFifo.RegBaseAddress, XPF_RESET_FIFO_MASK); +		out_be32 (emac.recvfifo.regbaseaddress, XPF_RESET_FIFO_MASK);  #ifdef DEBUG  		puts ("Receiving FIFO deadlock\n");  #endif @@ -286,17 +288,18 @@ int eth_rx(void)  	}  	/* -	 * Get the interrupt status to know what happened (whether an error occurred -	 * and/or whether frames have been received successfully). When clearing the -	 * intr status register, clear only statuses that pertain to receive. +	 * Get the interrupt status to know what happened (whether an error +	 * occurred and/or whether frames have been received successfully). +	 * When clearing the intr status register, clear only statuses that +	 * pertain to receive.  	 */ -	IntrStatus = in_be32 ((Emac.BaseAddress) + XIIF_V123B_IISR_OFFSET); +	intrstatus = in_be32 ((emac.baseaddress) + XIIF_V123B_IISR_OFFSET);  	/*  	 * Before reading from the length FIFO, make sure the length FIFO is not  	 * empty. We could cause an underrun error if we try to read from an  	 * empty FIFO.  	 */ -	if (!(IntrStatus & XEM_EIR_RECV_DONE_MASK)) { +	if (!(intrstatus & XEM_EIR_RECV_DONE_MASK)) {  #ifdef DEBUG  		/* puts("Receiving FIFO is empty\n"); */  #endif @@ -307,8 +310,8 @@ int eth_rx(void)  	 * Determine, from the MAC, the length of the next packet available  	 * in the data FIFO (there should be a non-zero length here)  	 */ -	PktLength = in_be32 (Emac.BaseAddress + XEM_RPLR_OFFSET); -	if (!PktLength) { +	pktlength = in_be32 (emac.baseaddress + XEM_RPLR_OFFSET); +	if (!pktlength) {  		return 0;  	} @@ -320,53 +323,53 @@ int eth_rx(void)  	 * in the IPIF, which means it may indicate a non-empty condition even  	 * though there is something in the FIFO.  	 */ -	out_be32 ((Emac.BaseAddress) + XIIF_V123B_IISR_OFFSET, +	out_be32 ((emac.baseaddress) + XIIF_V123B_IISR_OFFSET,  						XEM_EIR_RECV_DONE_MASK); -	FifoCount = in_be32 (Emac.RecvFifo.RegBaseAddress + +	fifocount = in_be32 (emac.recvfifo.regbaseaddress +  				XPF_COUNT_STATUS_REG_OFFSET) & XPF_COUNT_MASK; -	if ((FifoCount * 4) < PktLength) { +	if ((fifocount * 4) < pktlength) {  #ifdef DEBUG  		puts ("Receiving FIFO is smaller than packet size.\n");  #endif  		return 0;  	} -	WordCount = PktLength >> 2; -	ExtraByteCount = PktLength & 0x3; +	wordcount = pktlength >> 2; +	extrabytecount = pktlength & 0x3; -	for (FifoCount = 0; FifoCount < WordCount; FifoCount++) { -		etherrxbuff[FifoCount] = -				in_be32 (Emac.RecvFifo.DataBaseAddress); +	for (fifocount = 0; fifocount < wordcount; fifocount++) { +		etherrxbuff[fifocount] = +				in_be32 (emac.recvfifo.databaseaddress);  	}  	/*  	 * if there are extra bytes to handle, read the last word from the FIFO  	 * and insert the extra bytes into the buffer  	 */ -	if (ExtraByteCount > 0) { -		ExtraBytesBuffer = (u8 *) (etherrxbuff + WordCount); +	if (extrabytecount > 0) { +		extrabytesbuffer = (u8 *) (etherrxbuff + wordcount); -		LastWord = in_be32 (Emac.RecvFifo.DataBaseAddress); +		lastword = in_be32 (emac.recvfifo.databaseaddress);  		/*  		 * one extra byte in the last word, put the byte into the next  		 * location of the buffer, bytes in a word of the FIFO are  		 * ordered from most significant byte to least  		 */ -		if (ExtraByteCount == 1) { -			ExtraBytesBuffer[0] = (u8) (LastWord >> 24); -		} else if (ExtraByteCount == 2) { -			ExtraBytesBuffer[0] = (u8) (LastWord >> 24); -			ExtraBytesBuffer[1] = (u8) (LastWord >> 16); -		} else if (ExtraByteCount == 3) { -			ExtraBytesBuffer[0] = (u8) (LastWord >> 24); -			ExtraBytesBuffer[1] = (u8) (LastWord >> 16); -			ExtraBytesBuffer[2] = (u8) (LastWord >> 8); +		if (extrabytecount == 1) { +			extrabytesbuffer[0] = (u8) (lastword >> 24); +		} else if (extrabytecount == 2) { +			extrabytesbuffer[0] = (u8) (lastword >> 24); +			extrabytesbuffer[1] = (u8) (lastword >> 16); +		} else if (extrabytecount == 3) { +			extrabytesbuffer[0] = (u8) (lastword >> 24); +			extrabytesbuffer[1] = (u8) (lastword >> 16); +			extrabytesbuffer[2] = (u8) (lastword >> 8);  		}  	} -	NetReceive((uchar *)etherrxbuff, PktLength); +	NetReceive((uchar *)etherrxbuff, pktlength);  	return 1;  }  #endif diff --git a/drivers/net/xilinx_emac.h b/drivers/net/xilinx_emac.h index 7c00eebf0..966598e27 100644 --- a/drivers/net/xilinx_emac.h +++ b/drivers/net/xilinx_emac.h @@ -26,16 +26,16 @@   */  typedef struct { -	u32 RegBaseAddress;	/* Base address of registers */ -	u32 DataBaseAddress;	/* Base address of data for FIFOs */ -} XPacketFifoV100b; +	u32 regbaseaddress;	/* Base address of registers */ +	u32 databaseaddress;	/* Base address of data for FIFOs */ +} xpacketfifov100b;  typedef struct { -	u32 BaseAddress;	/* Base address (of IPIF) */ -	u32 IsStarted;		/* Device is currently started 0-no, 1-yes */ -	XPacketFifoV100b RecvFifo;	/* FIFO used to receive frames */ -	XPacketFifoV100b SendFifo;	/* FIFO used to send frames */ -} XEmac; +	u32 baseaddress;	/* Base address (of IPIF) */ +	u32 isstarted;		/* Device is currently started 0-no, 1-yes */ +	xpacketfifov100b recvfifo;	/* FIFO used to receive frames */ +	xpacketfifov100b sendfifo;	/* FIFO used to send frames */ +} xemac;  #define XIIF_V123B_IISR_OFFSET	32UL /* IP interrupt status register */  #define XIIF_V123B_RESET_MASK		0xAUL @@ -66,10 +66,14 @@ typedef struct {  #define XEM_PFIFO_OFFSET	0x2000UL -#define XEM_PFIFO_TXREG_OFFSET	(XEM_PFIFO_OFFSET + 0x0) /* Tx registers */ -#define XEM_PFIFO_RXREG_OFFSET	(XEM_PFIFO_OFFSET + 0x10) /* Rx registers */ -#define XEM_PFIFO_TXDATA_OFFSET	(XEM_PFIFO_OFFSET + 0x100) /* Tx keyhole */ -#define XEM_PFIFO_RXDATA_OFFSET	(XEM_PFIFO_OFFSET + 0x200) /* Rx keyhole */ +/* Tx registers */ +#define XEM_PFIFO_TXREG_OFFSET	(XEM_PFIFO_OFFSET + 0x0) +/* Rx registers */ +#define XEM_PFIFO_RXREG_OFFSET	(XEM_PFIFO_OFFSET + 0x10) +/* Tx keyhole */ +#define XEM_PFIFO_TXDATA_OFFSET	(XEM_PFIFO_OFFSET + 0x100) +/* Rx keyhole */ +#define XEM_PFIFO_RXDATA_OFFSET	(XEM_PFIFO_OFFSET + 0x200)  /* @@ -82,46 +86,63 @@ typedef struct {  				 XEM_EIR_XMIT_SFIFO_EMPTY_MASK |\  				 XEM_EIR_XMIT_LFIFO_FULL_MASK) -#define XEM_EIR_XMIT_DONE_MASK		0x00000001UL /* Xmit complete */ -#define XEM_EIR_RECV_DONE_MASK		0x00000002UL /* Recv complete */ -#define XEM_EIR_XMIT_ERROR_MASK		0x00000004UL /* Xmit error */ -#define XEM_EIR_RECV_ERROR_MASK		0x00000008UL /* Recv error */ -#define XEM_EIR_XMIT_SFIFO_EMPTY_MASK	0x00000010UL /* Xmit status fifo empty */ -#define XEM_EIR_RECV_LFIFO_EMPTY_MASK	0x00000020UL /* Recv length fifo empty */ -#define XEM_EIR_XMIT_LFIFO_FULL_MASK	0x00000040UL /* Xmit length fifo full */ -#define XEM_EIR_RECV_LFIFO_OVER_MASK	0x00000080UL	/* Recv length fifo -							 * overrun */ -#define XEM_EIR_RECV_LFIFO_UNDER_MASK	0x00000100UL	/* Recv length fifo -							 * underrun */ -#define XEM_EIR_XMIT_SFIFO_OVER_MASK	0x00000200UL	/* Xmit status fifo -							 * overrun */ -#define XEM_EIR_XMIT_SFIFO_UNDER_MASK	0x00000400UL	/* Transmit status fifo -							 * underrun */ -#define XEM_EIR_XMIT_LFIFO_OVER_MASK	0x00000800UL	/* Transmit length fifo -							 * overrun */ -#define XEM_EIR_XMIT_LFIFO_UNDER_MASK	0x00001000UL	/* Transmit length fifo -							 * underrun */ -#define XEM_EIR_XMIT_PAUSE_MASK		0x00002000UL	/* Transmit pause pkt -							 * received */ +/* Xmit complete */ +#define XEM_EIR_XMIT_DONE_MASK		0x00000001UL +/* Recv complete */ +#define XEM_EIR_RECV_DONE_MASK		0x00000002UL +/* Xmit error */ +#define XEM_EIR_XMIT_ERROR_MASK		0x00000004UL +/* Recv error */ +#define XEM_EIR_RECV_ERROR_MASK		0x00000008UL +/* Xmit status fifo empty */ +#define XEM_EIR_XMIT_SFIFO_EMPTY_MASK	0x00000010UL +/* Recv length fifo empty */ +#define XEM_EIR_RECV_LFIFO_EMPTY_MASK	0x00000020UL +/* Xmit length fifo full */ +#define XEM_EIR_XMIT_LFIFO_FULL_MASK	0x00000040UL +/* Recv length fifo overrun */ +#define XEM_EIR_RECV_LFIFO_OVER_MASK	0x00000080UL +/* Recv length fifo underrun */ +#define XEM_EIR_RECV_LFIFO_UNDER_MASK	0x00000100UL +/* Xmit status fifo overrun */ +#define XEM_EIR_XMIT_SFIFO_OVER_MASK	0x00000200UL +/* Transmit status fifo underrun */ +#define XEM_EIR_XMIT_SFIFO_UNDER_MASK	0x00000400UL +/* Transmit length fifo overrun */ +#define XEM_EIR_XMIT_LFIFO_OVER_MASK	0x00000800UL +/* Transmit length fifo underrun */ +#define XEM_EIR_XMIT_LFIFO_UNDER_MASK	0x00001000UL +/* Transmit pause pkt received */ +#define XEM_EIR_XMIT_PAUSE_MASK		0x00002000UL  /*   * EMAC Control Register (ECR)   */ -#define XEM_ECR_FULL_DUPLEX_MASK	 0x80000000UL	/* Full duplex mode */ -#define XEM_ECR_XMIT_RESET_MASK		 0x40000000UL	/* Reset transmitter */ -#define XEM_ECR_XMIT_ENABLE_MASK	 0x20000000UL	/* Enable transmitter */ -#define XEM_ECR_RECV_RESET_MASK		 0x10000000UL	/* Reset receiver */ -#define XEM_ECR_RECV_ENABLE_MASK	 0x08000000UL	/* Enable receiver */ -#define XEM_ECR_PHY_ENABLE_MASK		 0x04000000UL	/* Enable PHY */ -#define XEM_ECR_XMIT_PAD_ENABLE_MASK	 0x02000000UL	/* Enable xmit pad -							 * insert */ -#define XEM_ECR_XMIT_FCS_ENABLE_MASK	 0x01000000UL	/* Enable xmit FCS -							 * insert */ -#define XEM_ECR_UNICAST_ENABLE_MASK	 0x00020000UL	/* Enable unicast -							 * addr */ -#define XEM_ECR_BROAD_ENABLE_MASK	 0x00008000UL	/* Enable broadcast -							 * addr */ +/* Full duplex mode */ +#define XEM_ECR_FULL_DUPLEX_MASK	 0x80000000UL +/* Reset transmitter */ +#define XEM_ECR_XMIT_RESET_MASK		 0x40000000UL +/* Enable transmitter */ +#define XEM_ECR_XMIT_ENABLE_MASK	 0x20000000UL +/* Reset receiver */ +#define XEM_ECR_RECV_RESET_MASK		 0x10000000UL +/* Enable receiver */ +#define XEM_ECR_RECV_ENABLE_MASK	 0x08000000UL +/* Enable PHY */ +#define XEM_ECR_PHY_ENABLE_MASK		 0x04000000UL +/* Enable xmit pad insert */ +#define XEM_ECR_XMIT_PAD_ENABLE_MASK	 0x02000000UL +/* Enable xmit FCS insert */ +#define XEM_ECR_XMIT_FCS_ENABLE_MASK	 0x01000000UL +/* Enable unicast addr */ +#define XEM_ECR_UNICAST_ENABLE_MASK	 0x00020000UL +/* Enable broadcast addr */ +#define XEM_ECR_BROAD_ENABLE_MASK	 0x00008000UL -/* Transmit Status Register (TSR) */ -#define XEM_TSR_EXCESS_DEFERRAL_MASK	0x80000000UL /* Transmit excess deferral */ -#define XEM_TSR_LATE_COLLISION_MASK	0x01000000UL /* Transmit late collision */ +/* + * Transmit Status Register (TSR) + */ +/* Transmit excess deferral */ +#define XEM_TSR_EXCESS_DEFERRAL_MASK	0x80000000UL +/* Transmit late collision */ +#define XEM_TSR_LATE_COLLISION_MASK	0x01000000UL diff --git a/drivers/net/xilinx_emaclite.c b/drivers/net/xilinx_emaclite.c index 99e70354b..5d8eaa518 100644 --- a/drivers/net/xilinx_emaclite.c +++ b/drivers/net/xilinx_emaclite.c @@ -64,76 +64,73 @@  #define XEL_RSR_RECV_IE_MASK		0x00000008UL  typedef struct { -	unsigned int BaseAddress;	/* Base address for device (IPIF) */ -	unsigned int NextTxBufferToUse;	/* Next TX buffer to write to */ -	unsigned int NextRxBufferToUse;	/* Next RX buffer to read from */ -	unsigned char DeviceId;		/* Unique ID of device - for future */ -} XEmacLite; +	unsigned int baseaddress;	/* Base address for device (IPIF) */ +	unsigned int nexttxbuffertouse;	/* Next TX buffer to write to */ +	unsigned int nextrxbuffertouse;	/* Next RX buffer to read from */ +	unsigned char deviceid;		/* Unique ID of device - for future */ +} xemaclite; -static XEmacLite EmacLite; +static xemaclite emaclite; -static char etherrxbuff[PKTSIZE_ALIGN]; /* Receive buffer */ +static char etherrxbuff[PKTSIZE_ALIGN/4]; /* Receive buffer */  /* hardcoded MAC address for the Xilinx EMAC Core when env is nowhere*/  #ifdef CFG_ENV_IS_NOWHERE -static u8 EMACAddr[ENET_ADDR_LENGTH] = { 0x00, 0x0a, 0x35, 0x00, 0x22, 0x01 }; +static u8 emacaddr[ENET_ADDR_LENGTH] = { 0x00, 0x0a, 0x35, 0x00, 0x22, 0x01 };  #endif -void XEmacLite_AlignedRead (u32 * SrcPtr, void *DestPtr, unsigned ByteCount) +void xemaclite_alignedread (u32 * srcptr, void *destptr, unsigned bytecount)  { -	unsigned i; -	unsigned Length = ByteCount; -	u32 AlignBuffer; -	u32 *To32Ptr; -	u32 *From32Ptr; -	u8 *To8Ptr; -	u8 *From8Ptr; +	unsigned int i; +	u32 alignbuffer; +	u32 *to32ptr; +	u32 *from32ptr; +	u8 *to8ptr; +	u8 *from8ptr; -	From32Ptr = (u32 *) SrcPtr; +	from32ptr = (u32 *) srcptr;  	/* Word aligned buffer, no correction needed. */ -	To32Ptr = (u32 *) DestPtr; -	while (Length > 3) { -		*To32Ptr++ = *From32Ptr++; -		Length -= 4; +	to32ptr = (u32 *) destptr; +	while (bytecount > 3) { +		*to32ptr++ = *from32ptr++; +		bytecount -= 4;  	} -	To8Ptr = (u8 *) To32Ptr; +	to8ptr = (u8 *) to32ptr; -	AlignBuffer = *From32Ptr++; -	From8Ptr = (u8 *) & AlignBuffer; +	alignbuffer = *from32ptr++; +	from8ptr = (u8 *) & alignbuffer; -	for (i = 0; i < Length; i++) { -		*To8Ptr++ = *From8Ptr++; +	for (i = 0; i < bytecount; i++) { +		*to8ptr++ = *from8ptr++;  	}  } -void XEmacLite_AlignedWrite (void *SrcPtr, u32 * DestPtr, unsigned ByteCount) +void xemaclite_alignedwrite (void *srcptr, u32 destptr, unsigned bytecount)  {  	unsigned i; -	unsigned Length = ByteCount; -	u32 AlignBuffer; -	u32 *To32Ptr; -	u32 *From32Ptr; -	u8 *To8Ptr; -	u8 *From8Ptr; -	To32Ptr = DestPtr; +	u32 alignbuffer; +	u32 *to32ptr = (u32 *) destptr; +	u32 *from32ptr; +	u8 *to8ptr; +	u8 *from8ptr; -	From32Ptr = (u32 *) SrcPtr; -	while (Length > 3) { +	from32ptr = (u32 *) srcptr; +	while (bytecount > 3) { -		*To32Ptr++ = *From32Ptr++; -		Length -= 4; +		*to32ptr++ = *from32ptr++; +		bytecount -= 4;  	} -	AlignBuffer = 0; -	To8Ptr = (u8 *) & AlignBuffer; -	From8Ptr = (u8 *) From32Ptr; +	alignbuffer = 0; +	to8ptr = (u8 *) & alignbuffer; +	from8ptr = (u8 *) from32ptr; -	for (i = 0; i < Length; i++) { -		*To8Ptr++ = *From8Ptr++; +	for (i = 0; i < bytecount; i++) { +		*to8ptr++ = *from8ptr++;  	} -	*To32Ptr++ = AlignBuffer; +	*to32ptr++ = alignbuffer;  }  void eth_halt (void) @@ -148,37 +145,38 @@ int eth_init (bd_t * bis)  #ifdef DEBUG  	puts ("EmacLite Initialization Started\n");  #endif -	memset (&EmacLite, 0, sizeof (XEmacLite)); -	EmacLite.BaseAddress = XILINX_EMACLITE_BASEADDR; +	memset (&emaclite, 0, sizeof (xemaclite)); +	emaclite.baseaddress = XILINX_EMACLITE_BASEADDR; + +	if (!getenv("ethaddr")) { +		memcpy(bis->bi_enetaddr, emacaddr, ENET_ADDR_LENGTH); +	} -#ifdef CFG_ENV_IS_NOWHERE -	memcpy (bis->bi_enetaddr, EMACAddr, ENET_ADDR_LENGTH); -#endif  /*   * TX - TX_PING & TX_PONG initialization   */  	/* Restart PING TX */ -	out_be32 (EmacLite.BaseAddress + XEL_TSR_OFFSET, 0); +	out_be32 (emaclite.baseaddress + XEL_TSR_OFFSET, 0);  	/* Copy MAC address */ -	XEmacLite_AlignedWrite (bis->bi_enetaddr, -		EmacLite.BaseAddress, ENET_ADDR_LENGTH); +	xemaclite_alignedwrite (bis->bi_enetaddr, +		emaclite.baseaddress, ENET_ADDR_LENGTH);  	/* Set the length */ -	out_be32 (EmacLite.BaseAddress + XEL_TPLR_OFFSET, ENET_ADDR_LENGTH); +	out_be32 (emaclite.baseaddress + XEL_TPLR_OFFSET, ENET_ADDR_LENGTH);  	/* Update the MAC address in the EMAC Lite */ -	out_be32 (EmacLite.BaseAddress + XEL_TSR_OFFSET, XEL_TSR_PROG_MAC_ADDR); +	out_be32 (emaclite.baseaddress + XEL_TSR_OFFSET, XEL_TSR_PROG_MAC_ADDR);  	/* Wait for EMAC Lite to finish with the MAC address update */ -	while ((in_be32 (EmacLite.BaseAddress + XEL_TSR_OFFSET) & +	while ((in_be32 (emaclite.baseaddress + XEL_TSR_OFFSET) &  		XEL_TSR_PROG_MAC_ADDR) != 0) ;  #ifdef XILINX_EMACLITE_TX_PING_PONG  	/* The same operation with PONG TX */ -	out_be32 (EmacLite.BaseAddress + XEL_TSR_OFFSET + XEL_BUFFER_OFFSET, 0);	 -	XEmacLite_AlignedWrite (bis->bi_enetaddr, -		EmacLite.BaseAddress + XEL_BUFFER_OFFSET, ENET_ADDR_LENGTH); -	out_be32 (EmacLite.BaseAddress + XEL_TPLR_OFFSET, ENET_ADDR_LENGTH); -	out_be32 (EmacLite.BaseAddress + XEL_TSR_OFFSET + XEL_BUFFER_OFFSET, +	out_be32 (emaclite.baseaddress + XEL_TSR_OFFSET + XEL_BUFFER_OFFSET, 0); +	xemaclite_alignedwrite (bis->bi_enetaddr, emaclite.baseaddress + +		XEL_BUFFER_OFFSET, ENET_ADDR_LENGTH); +	out_be32 (emaclite.baseaddress + XEL_TPLR_OFFSET, ENET_ADDR_LENGTH); +	out_be32 (emaclite.baseaddress + XEL_TSR_OFFSET + XEL_BUFFER_OFFSET,  		XEL_TSR_PROG_MAC_ADDR); -	while ((in_be32	(EmacLite.BaseAddress + XEL_TSR_OFFSET + +	while ((in_be32 (emaclite.baseaddress + XEL_TSR_OFFSET +  		 XEL_BUFFER_OFFSET) & XEL_TSR_PROG_MAC_ADDR) != 0) ;  #endif @@ -186,9 +184,9 @@ int eth_init (bd_t * bis)   * RX - RX_PING & RX_PONG initialization   */  	/* Write out the value to flush the RX buffer */ -	out_be32 (EmacLite.BaseAddress + XEL_RSR_OFFSET, XEL_RSR_RECV_IE_MASK); +	out_be32 (emaclite.baseaddress + XEL_RSR_OFFSET, XEL_RSR_RECV_IE_MASK);  #ifdef XILINX_EMACLITE_RX_PING_PONG -	out_be32 (EmacLite.BaseAddress + XEL_RSR_OFFSET + XEL_BUFFER_OFFSET, +	out_be32 (emaclite.baseaddress + XEL_RSR_OFFSET + XEL_BUFFER_OFFSET,  		XEL_RSR_RECV_IE_MASK);  #endif @@ -198,39 +196,39 @@ int eth_init (bd_t * bis)  	return 0;  } -int XEmacLite_TxBufferAvailable (XEmacLite * InstancePtr) +int xemaclite_txbufferavailable (xemaclite * instanceptr)  { -	u32 Register; -	u32 TxPingBusy; -	u32 TxPongBusy; +	u32 reg; +	u32 txpingbusy; +	u32 txpongbusy;  	/*  	 * Read the other buffer register  	 * and determine if the other buffer is available  	 */ -	Register = in_be32 (InstancePtr->BaseAddress + -			InstancePtr->NextTxBufferToUse + 0); -	TxPingBusy = ((Register & XEL_TSR_XMIT_BUSY_MASK) == +	reg = in_be32 (instanceptr->baseaddress + +			instanceptr->nexttxbuffertouse + 0); +	txpingbusy = ((reg & XEL_TSR_XMIT_BUSY_MASK) ==  			XEL_TSR_XMIT_BUSY_MASK); -	Register = in_be32 (InstancePtr->BaseAddress + -			(InstancePtr->NextTxBufferToUse ^ XEL_TSR_OFFSET) + 0); -	TxPongBusy = ((Register & XEL_TSR_XMIT_BUSY_MASK) == +	reg = in_be32 (instanceptr->baseaddress + +			(instanceptr->nexttxbuffertouse ^ XEL_TSR_OFFSET) + 0); +	txpongbusy = ((reg & XEL_TSR_XMIT_BUSY_MASK) ==  			XEL_TSR_XMIT_BUSY_MASK); -	return (!(TxPingBusy && TxPongBusy)); +	return (!(txpingbusy && txpongbusy));  }  int eth_send (volatile void *ptr, int len) { -	unsigned int Register; -	unsigned int BaseAddress; +	unsigned int reg; +	unsigned int baseaddress;  	unsigned maxtry = 1000;  	if (len > ENET_MAX_MTU)  		len = ENET_MAX_MTU; -	while (!XEmacLite_TxBufferAvailable (&EmacLite) && maxtry) { +	while (!xemaclite_txbufferavailable (&emaclite) && maxtry) {  		udelay (10);  		maxtry--;  	} @@ -238,62 +236,62 @@ int eth_send (volatile void *ptr, int len) {  	if (!maxtry) {  		printf ("Error: Timeout waiting for ethernet TX buffer\n");  		/* Restart PING TX */ -		out_be32 (EmacLite.BaseAddress + XEL_TSR_OFFSET, 0); +		out_be32 (emaclite.baseaddress + XEL_TSR_OFFSET, 0);  #ifdef XILINX_EMACLITE_TX_PING_PONG -		out_be32 (EmacLite.BaseAddress + XEL_TSR_OFFSET + +		out_be32 (emaclite.baseaddress + XEL_TSR_OFFSET +  		XEL_BUFFER_OFFSET, 0);  #endif  		return 0;  	}  	/* Determine the expected TX buffer address */ -	BaseAddress = (EmacLite.BaseAddress + EmacLite.NextTxBufferToUse); +	baseaddress = (emaclite.baseaddress + emaclite.nexttxbuffertouse);  	/* Determine if the expected buffer address is empty */ -	Register = in_be32 (BaseAddress + XEL_TSR_OFFSET); -	if (((Register & XEL_TSR_XMIT_BUSY_MASK) == 0) -		&& ((in_be32 ((BaseAddress) + XEL_TSR_OFFSET) +	reg = in_be32 (baseaddress + XEL_TSR_OFFSET); +	if (((reg & XEL_TSR_XMIT_BUSY_MASK) == 0) +		&& ((in_be32 ((baseaddress) + XEL_TSR_OFFSET)  			& XEL_TSR_XMIT_ACTIVE_MASK) == 0)) {  #ifdef XILINX_EMACLITE_TX_PING_PONG -		EmacLite.NextTxBufferToUse ^= XEL_BUFFER_OFFSET; +		emaclite.nexttxbuffertouse ^= XEL_BUFFER_OFFSET;  #endif  #ifdef DEBUG -		printf ("Send packet from 0x%x\n", BaseAddress); +		printf ("Send packet from 0x%x\n", baseaddress);  #endif  		/* Write the frame to the buffer */ -		XEmacLite_AlignedWrite (ptr, (u32 *) BaseAddress, len); -		out_be32 (BaseAddress + XEL_TPLR_OFFSET,(len & +		xemaclite_alignedwrite ((void *) ptr, baseaddress, len); +		out_be32 (baseaddress + XEL_TPLR_OFFSET,(len &  			(XEL_TPLR_LENGTH_MASK_HI | XEL_TPLR_LENGTH_MASK_LO))); -		Register = in_be32 (BaseAddress + XEL_TSR_OFFSET); -		Register |= XEL_TSR_XMIT_BUSY_MASK; -		if ((Register & XEL_TSR_XMIT_IE_MASK) != 0) { -			Register |= XEL_TSR_XMIT_ACTIVE_MASK; +		reg = in_be32 (baseaddress + XEL_TSR_OFFSET); +		reg |= XEL_TSR_XMIT_BUSY_MASK; +		if ((reg & XEL_TSR_XMIT_IE_MASK) != 0) { +			reg |= XEL_TSR_XMIT_ACTIVE_MASK;  		} -		out_be32 (BaseAddress + XEL_TSR_OFFSET, Register); +		out_be32 (baseaddress + XEL_TSR_OFFSET, reg);  		return 1;  	}  #ifdef XILINX_EMACLITE_TX_PING_PONG  	/* Switch to second buffer */ -	BaseAddress ^= XEL_BUFFER_OFFSET; +	baseaddress ^= XEL_BUFFER_OFFSET;  	/* Determine if the expected buffer address is empty */ -	Register = in_be32 (BaseAddress + XEL_TSR_OFFSET); -	if (((Register & XEL_TSR_XMIT_BUSY_MASK) == 0) -		&& ((in_be32 ((BaseAddress) + XEL_TSR_OFFSET) +	reg = in_be32 (baseaddress + XEL_TSR_OFFSET); +	if (((reg & XEL_TSR_XMIT_BUSY_MASK) == 0) +		&& ((in_be32 ((baseaddress) + XEL_TSR_OFFSET)  			& XEL_TSR_XMIT_ACTIVE_MASK) == 0)) {  #ifdef DEBUG -		printf ("Send packet from 0x%x\n", BaseAddress); +		printf ("Send packet from 0x%x\n", baseaddress);  #endif  		/* Write the frame to the buffer */ -		XEmacLite_AlignedWrite (ptr, (u32 *) BaseAddress, len); -		out_be32 (BaseAddress + XEL_TPLR_OFFSET,(len & +		xemaclite_alignedwrite ((void *) ptr, baseaddress, len); +		out_be32 (baseaddress + XEL_TPLR_OFFSET,(len &  			(XEL_TPLR_LENGTH_MASK_HI | XEL_TPLR_LENGTH_MASK_LO))); -		Register = in_be32 (BaseAddress + XEL_TSR_OFFSET); -		Register |= XEL_TSR_XMIT_BUSY_MASK; -		if ((Register & XEL_TSR_XMIT_IE_MASK) != 0) { -			Register |= XEL_TSR_XMIT_ACTIVE_MASK; +		reg = in_be32 (baseaddress + XEL_TSR_OFFSET); +		reg |= XEL_TSR_XMIT_BUSY_MASK; +		if ((reg & XEL_TSR_XMIT_IE_MASK) != 0) { +			reg |= XEL_TSR_XMIT_ACTIVE_MASK;  		} -		out_be32 (BaseAddress + XEL_TSR_OFFSET, Register); +		out_be32 (baseaddress + XEL_TSR_OFFSET, reg);  		return 1;  	}  #endif @@ -303,50 +301,50 @@ int eth_send (volatile void *ptr, int len) {  int eth_rx (void)  { -	unsigned int Length; -	unsigned int Register; -	unsigned int BaseAddress; +	unsigned int length; +	unsigned int reg; +	unsigned int baseaddress; -	BaseAddress = EmacLite.BaseAddress + EmacLite.NextRxBufferToUse; -	Register = in_be32 (BaseAddress + XEL_RSR_OFFSET); +	baseaddress = emaclite.baseaddress + emaclite.nextrxbuffertouse; +	reg = in_be32 (baseaddress + XEL_RSR_OFFSET);  #ifdef DEBUG -	printf ("Testing data at address 0x%x\n", BaseAddress); +	printf ("Testing data at address 0x%x\n", baseaddress);  #endif -	if ((Register & XEL_RSR_RECV_DONE_MASK) == XEL_RSR_RECV_DONE_MASK) { +	if ((reg & XEL_RSR_RECV_DONE_MASK) == XEL_RSR_RECV_DONE_MASK) {  #ifdef XILINX_EMACLITE_RX_PING_PONG -		EmacLite.NextRxBufferToUse ^= XEL_BUFFER_OFFSET; +		emaclite.nextrxbuffertouse ^= XEL_BUFFER_OFFSET;  #endif  	} else {  #ifndef XILINX_EMACLITE_RX_PING_PONG  #ifdef DEBUG -		printf ("No data was available - address 0x%x\n", BaseAddress); +		printf ("No data was available - address 0x%x\n", baseaddress);  #endif  		return 0;  #else -		BaseAddress ^= XEL_BUFFER_OFFSET; -		Register = in_be32 (BaseAddress + XEL_RSR_OFFSET); -		if ((Register & XEL_RSR_RECV_DONE_MASK) != +		baseaddress ^= XEL_BUFFER_OFFSET; +		reg = in_be32 (baseaddress + XEL_RSR_OFFSET); +		if ((reg & XEL_RSR_RECV_DONE_MASK) !=  					XEL_RSR_RECV_DONE_MASK) {  #ifdef DEBUG  			printf ("No data was available - address 0x%x\n", -					BaseAddress); +					baseaddress);  #endif  			return 0;  		}  #endif  	}  	/* Get the length of the frame that arrived */ -	switch(((in_be32(BaseAddress + XEL_RXBUFF_OFFSET + 0xC)) & +	switch(((in_be32 (baseaddress + XEL_RXBUFF_OFFSET + 0xC)) &  			0xFFFF0000 ) >> 16) {  		case 0x806: -			Length = 42 + 20; /* FIXME size of ARP */ +			length = 42 + 20; /* FIXME size of ARP */  #ifdef DEBUG  			puts ("ARP Packet\n");  #endif  			break;  		case 0x800: -			Length = 14 + 14 + -			(((in_be32(BaseAddress + XEL_RXBUFF_OFFSET + 0x10)) & +			length = 14 + 14 + +			(((in_be32 (baseaddress + XEL_RXBUFF_OFFSET + 0x10)) &  			0xFFFF0000) >> 16); /* FIXME size of IP packet */  #ifdef DEBUG  			puts("IP Packet\n"); @@ -356,22 +354,22 @@ int eth_rx (void)  #ifdef DEBUG  			puts("Other Packet\n");  #endif -			Length = ENET_MAX_MTU; +			length = ENET_MAX_MTU;  			break;  	} -	XEmacLite_AlignedRead ((BaseAddress + XEL_RXBUFF_OFFSET), -			etherrxbuff, Length); +	xemaclite_alignedread ((u32 *) (baseaddress + XEL_RXBUFF_OFFSET), +			etherrxbuff, length);  	/* Acknowledge the frame */ -	Register = in_be32 (BaseAddress + XEL_RSR_OFFSET); -	Register &= ~XEL_RSR_RECV_DONE_MASK; -	out_be32 (BaseAddress + XEL_RSR_OFFSET, Register); +	reg = in_be32 (baseaddress + XEL_RSR_OFFSET); +	reg &= ~XEL_RSR_RECV_DONE_MASK; +	out_be32 (baseaddress + XEL_RSR_OFFSET, reg);  #ifdef DEBUG -	printf ("Packet receive from 0x%x, length %dB\n", BaseAddress, Length); +	printf ("Packet receive from 0x%x, length %dB\n", baseaddress, length);  #endif -	NetReceive ((uchar *) etherrxbuff, Length); +	NetReceive ((uchar *) etherrxbuff, length);  	return 1;  } |