LPC2292 SODIMM port coding style cleanup.

1 files changed, 329 insertions, 328 deletions

diff --git a/board/lpc2292sodimm/eth.c b/board/lpc2292sodimm/eth.c
index 14bec19..249ab04 100644
--- a/board/lpc2292sodimm/eth.c
+++ b/board/lpc2292sodimm/eth.c
@@ -25,18 +25,18 @@
  * Control Registers in Bank 0
  */
 
-#define CTL_REG_ERDPTL   0x00
-#define CTL_REG_ERDPTH   0x01
-#define CTL_REG_EWRPTL   0x02
-#define CTL_REG_EWRPTH   0x03
-#define CTL_REG_ETXSTL   0x04
-#define CTL_REG_ETXSTH   0x05
-#define CTL_REG_ETXNDL   0x06
-#define CTL_REG_ETXNDH   0x07
-#define CTL_REG_ERXSTL   0x08
-#define CTL_REG_ERXSTH   0x09
-#define CTL_REG_ERXNDL   0x0A
-#define CTL_REG_ERXNDA   0x0B
+#define CTL_REG_ERDPTL	 0x00
+#define CTL_REG_ERDPTH	 0x01
+#define CTL_REG_EWRPTL	 0x02
+#define CTL_REG_EWRPTH	 0x03
+#define CTL_REG_ETXSTL	 0x04
+#define CTL_REG_ETXSTH	 0x05
+#define CTL_REG_ETXNDL	 0x06
+#define CTL_REG_ETXNDH	 0x07
+#define CTL_REG_ERXSTL	 0x08
+#define CTL_REG_ERXSTH	 0x09
+#define CTL_REG_ERXNDL	 0x0A
+#define CTL_REG_ERXNDA	 0x0B
 #define CTL_REG_ERXRDPTL 0x0C
 #define CTL_REG_ERXRDPTH 0x0D
 #define CTL_REG_ERXWRPTL 0x0E
@@ -50,38 +50,38 @@
 #define CTL_REG_EDMACSL  0x16
 #define CTL_REG_EDMACSH  0x17
 /* these are common in all banks */
-#define CTL_REG_EIE      0x1B
-#define CTL_REG_EIR      0x1C
-#define CTL_REG_ESTAT    0x1D
-#define CTL_REG_ECON2    0x1E
-#define CTL_REG_ECON1    0x1F
+#define CTL_REG_EIE	 0x1B
+#define CTL_REG_EIR	 0x1C
+#define CTL_REG_ESTAT	 0x1D
+#define CTL_REG_ECON2	 0x1E
+#define CTL_REG_ECON1	 0x1F
 
 /*
  * Control Registers in Bank 1
  */
 
-#define CTL_REG_EHT0    0x00
-#define CTL_REG_EHT1    0x01
-#define CTL_REG_EHT2    0x02
-#define CTL_REG_EHT3    0x03
-#define CTL_REG_EHT4    0x04
-#define CTL_REG_EHT5    0x05
-#define CTL_REG_EHT6    0x06
-#define CTL_REG_EHT7    0x07
-#define CTL_REG_EPMM0   0x08
-#define CTL_REG_EPMM1   0x09
-#define CTL_REG_EPMM2   0x0A
-#define CTL_REG_EPMM3   0x0B
-#define CTL_REG_EPMM4   0x0C
-#define CTL_REG_EPMM5   0x0D
-#define CTL_REG_EPMM6   0x0E
-#define CTL_REG_EPMM7   0x0F
-#define CTL_REG_EPMCSL  0x10
-#define CTL_REG_EPMCSH  0x11
-#define CTL_REG_EPMOL   0x14
-#define CTL_REG_EPMOH   0x15
-#define CTL_REG_EWOLIE  0x16
-#define CTL_REG_EWOLIR  0x17
+#define CTL_REG_EHT0	0x00
+#define CTL_REG_EHT1	0x01
+#define CTL_REG_EHT2	0x02
+#define CTL_REG_EHT3	0x03
+#define CTL_REG_EHT4	0x04
+#define CTL_REG_EHT5	0x05
+#define CTL_REG_EHT6	0x06
+#define CTL_REG_EHT7	0x07
+#define CTL_REG_EPMM0	0x08
+#define CTL_REG_EPMM1	0x09
+#define CTL_REG_EPMM2	0x0A
+#define CTL_REG_EPMM3	0x0B
+#define CTL_REG_EPMM4	0x0C
+#define CTL_REG_EPMM5	0x0D
+#define CTL_REG_EPMM6	0x0E
+#define CTL_REG_EPMM7	0x0F
+#define CTL_REG_EPMCSL	0x10
+#define CTL_REG_EPMCSH	0x11
+#define CTL_REG_EPMOL	0x14
+#define CTL_REG_EPMOH	0x15
+#define CTL_REG_EWOLIE	0x16
+#define CTL_REG_EWOLIR	0x17
 #define CTL_REG_ERXFCON 0x18
 #define CTL_REG_EPKTCNT 0x19
 
@@ -89,46 +89,46 @@
  * Control Registers in Bank 2
  */
 
-#define CTL_REG_MACON1   0x00
-#define CTL_REG_MACON2   0x01
-#define CTL_REG_MACON3   0x02
-#define CTL_REG_MACON4   0x03
+#define CTL_REG_MACON1	 0x00
+#define CTL_REG_MACON2	 0x01
+#define CTL_REG_MACON3	 0x02
+#define CTL_REG_MACON4	 0x03
 #define CTL_REG_MABBIPG  0x04
-#define CTL_REG_MAIPGL   0x06
-#define CTL_REG_MAIPGH   0x07
+#define CTL_REG_MAIPGL	 0x06
+#define CTL_REG_MAIPGH	 0x07
 #define CTL_REG_MACLCON1 0x08
 #define CTL_REG_MACLCON2 0x09
 #define CTL_REG_MAMXFLL  0x0A
 #define CTL_REG_MAMXFLH  0x0B
 #define CTL_REG_MAPHSUP  0x0D
-#define CTL_REG_MICON    0x11
-#define CTL_REG_MICMD    0x12
+#define CTL_REG_MICON	 0x11
+#define CTL_REG_MICMD	 0x12
 #define CTL_REG_MIREGADR 0x14
-#define CTL_REG_MIWRL    0x16
-#define CTL_REG_MIWRH    0x17
-#define CTL_REG_MIRDL    0x18
-#define CTL_REG_MIRDH    0x19
+#define CTL_REG_MIWRL	 0x16
+#define CTL_REG_MIWRH	 0x17
+#define CTL_REG_MIRDL	 0x18
+#define CTL_REG_MIRDH	 0x19
 
 /*
  * Control Registers in Bank 3
  */
 
-#define CTL_REG_MAADR1  0x00
-#define CTL_REG_MAADR0  0x01
-#define CTL_REG_MAADR3  0x02
-#define CTL_REG_MAADR2  0x03
-#define CTL_REG_MAADR5  0x04
-#define CTL_REG_MAADR4  0x05
-#define CTL_REG_EBSTSD  0x06
+#define CTL_REG_MAADR1	0x00
+#define CTL_REG_MAADR0	0x01
+#define CTL_REG_MAADR3	0x02
+#define CTL_REG_MAADR2	0x03
+#define CTL_REG_MAADR5	0x04
+#define CTL_REG_MAADR4	0x05
+#define CTL_REG_EBSTSD	0x06
 #define CTL_REG_EBSTCON 0x07
 #define CTL_REG_EBSTCSL 0x08
 #define CTL_REG_EBSTCSH 0x09
-#define CTL_REG_MISTAT  0x0A
-#define CTL_REG_EREVID  0x12
-#define CTL_REG_ECOCON  0x15
+#define CTL_REG_MISTAT	0x0A
+#define CTL_REG_EREVID	0x12
+#define CTL_REG_ECOCON	0x15
 #define CTL_REG_EFLOCON 0x17
-#define CTL_REG_EPAUSL  0x18
-#define CTL_REG_EPAUSH  0x19
+#define CTL_REG_EPAUSL	0x18
+#define CTL_REG_EPAUSH	0x19
 
 
 /*
@@ -161,7 +161,7 @@
 #define ENC_ECON1_DMAST  0x20
 #define ENC_ECON1_CSUMEN 0x10
 #define ENC_ECON1_TXRTS  0x08
-#define ENC_ECON1_RXEN   0x04
+#define ENC_ECON1_RXEN	 0x04
 #define ENC_ECON1_BSEL1  0x02
 #define ENC_ECON1_BSEL0  0x01
 
@@ -171,7 +171,7 @@
 #define ENC_ECON2_AUTOINC 0x80
 #define ENC_ECON2_PKTDEC  0x40
 #define ENC_ECON2_PWRSV   0x20
-#define ENC_ECON2_VRPS    0x08
+#define ENC_ECON2_VRPS	  0x08
 
 /*
  * EIR Register Bits
@@ -188,7 +188,7 @@
  * ESTAT Register Bits
  */
 
-#define ENC_ESTAT_INT     0x80
+#define ENC_ESTAT_INT	  0x80
 #define ENC_ESTAT_LATECOL 0x10
 #define ENC_ESTAT_RXBUSY  0x04
 #define ENC_ESTAT_TXABRT  0x02
@@ -257,11 +257,11 @@
  */
 #define ENC_PHID1_VALUE 0x0083
 #define ENC_PHID2_VALUE 0x1400
-#define ENC_PHID2_MASK  0xFC00
+#define ENC_PHID2_MASK	0xFC00
 
 
-#define ENC_SPI_SLAVE_CS 0x00010000  /* pin P1.16 */
-#define ENC_RESET        0x00020000  /* pin P1.17 */
+#define ENC_SPI_SLAVE_CS 0x00010000	/* pin P1.16 */
+#define ENC_RESET	 0x00020000	/* pin P1.17 */
 
 #define FAILSAFE_VALUE 5000
 
@@ -280,21 +280,21 @@
 
 #define enc_enable() PUT32(IO1CLR, ENC_SPI_SLAVE_CS)
 #define enc_disable() PUT32(IO1SET, ENC_SPI_SLAVE_CS)
-#define enc_cfg_spi() spi_set_cfg(0, 0, 0); spi_set_clock(8); 
-
-
-static unsigned char encReadReg(unsigned char regNo);
-static void encWriteReg(unsigned char regNo, unsigned char data);
-static void encWriteRegRetry(unsigned char regNo, unsigned char data, int c);
-static void encReadBuff(unsigned short length, unsigned char *pBuff);
-static void encWriteBuff(unsigned short length, unsigned char *pBuff);
-static void encBitSet(unsigned char regNo, unsigned char data);
-static void encBitClr(unsigned char regNo, unsigned char data);
-static void encReset(void);
-static void encInit(unsigned char *pEthAddr);
-static unsigned short phyRead(unsigned char addr);
-static void encPoll(void);
-static void encRx(void);
+#define enc_cfg_spi() spi_set_cfg(0, 0, 0); spi_set_clock(8);
+
+
+static unsigned char encReadReg (unsigned char regNo);
+static void encWriteReg (unsigned char regNo, unsigned char data);
+static void encWriteRegRetry (unsigned char regNo, unsigned char data, int c);
+static void encReadBuff (unsigned short length, unsigned char *pBuff);
+static void encWriteBuff (unsigned short length, unsigned char *pBuff);
+static void encBitSet (unsigned char regNo, unsigned char data);
+static void encBitClr (unsigned char regNo, unsigned char data);
+static void encReset (void);
+static void encInit (unsigned char *pEthAddr);
+static unsigned short phyRead (unsigned char addr);
+static void encPoll (void);
+static void encRx (void);
 
 #define m_nic_read(reg) encReadReg(reg)
 #define m_nic_write(reg, data) encWriteReg(reg, data)
@@ -308,63 +308,64 @@ static void encRx(void);
 /* bit field clear */
 #define m_nic_bfc(reg, data) encBitClr(reg, data)
 
-static unsigned char bank = 0;  /* current bank in enc28j60 */
+static unsigned char bank = 0;	/* current bank in enc28j60 */
 static unsigned char next_pointer_lsb;
 static unsigned char next_pointer_msb;
 
 static unsigned char buffer[ENC_MAX_FRM_LEN];
 static int rxResetCounter = 0;
+
 #define RX_RESET_COUNTER 1000;
 
 /*-----------------------------------------------------------------------------
  * Returns 0 when failes otherwize 1
  */
-int eth_init(bd_t *bis)
+int eth_init (bd_t * bis)
 {
 	/* configure GPIO */
 	(*((volatile unsigned long *) IO1DIR)) |= ENC_SPI_SLAVE_CS;
 	(*((volatile unsigned long *) IO1DIR)) |= ENC_RESET;
 
 	/* CS and RESET active low */
-	PUT32(IO1SET, ENC_SPI_SLAVE_CS);
-	PUT32(IO1SET, ENC_RESET);
+	PUT32 (IO1SET, ENC_SPI_SLAVE_CS);
+	PUT32 (IO1SET, ENC_RESET);
 
-	spi_init();
+	spi_init ();
 
 	/* initialize controller */
-	encReset();
-	encInit(bis->bi_enetaddr);
+	encReset ();
+	encInit (bis->bi_enetaddr);
 
-	m_nic_bfs(CTL_REG_ECON1, ENC_ECON1_RXEN); /* enable receive */  
+	m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_RXEN);	/* enable receive */
 
 	return 0;
 }
 
-int eth_send(volatile void *packet, int length)
+int eth_send (volatile void *packet, int length)
 {
 	/* check frame length, etc. */
 	/* TODO: */
 
 	/* switch to bank 0 */
-	m_nic_bfc(CTL_REG_ECON1, (ENC_ECON1_BSEL1 | ENC_ECON1_BSEL0));  
+	m_nic_bfc (CTL_REG_ECON1, (ENC_ECON1_BSEL1 | ENC_ECON1_BSEL0));
 
 	/* set EWRPT */
-	m_nic_write(CTL_REG_EWRPTL, (ENC_TX_BUF_START & 0xff));
-	m_nic_write(CTL_REG_EWRPTH, (ENC_TX_BUF_START >> 8));
+	m_nic_write (CTL_REG_EWRPTL, (ENC_TX_BUF_START & 0xff));
+	m_nic_write (CTL_REG_EWRPTH, (ENC_TX_BUF_START >> 8));
 
 	/* set ETXST */
-	m_nic_write(CTL_REG_ETXSTL, ENC_TX_BUF_START & 0xFF);
-	m_nic_write(CTL_REG_ETXSTH, ENC_TX_BUF_START >> 8);
+	m_nic_write (CTL_REG_ETXSTL, ENC_TX_BUF_START & 0xFF);
+	m_nic_write (CTL_REG_ETXSTH, ENC_TX_BUF_START >> 8);
 
 	/* write packet */
-	m_nic_write_data(length, (unsigned char*)packet);
+	m_nic_write_data (length, (unsigned char *) packet);
 
 	/* set ETXND */
-	m_nic_write(CTL_REG_ETXNDL, (length + ENC_TX_BUF_START) & 0xFF);
-	m_nic_write(CTL_REG_ETXNDH, (length + ENC_TX_BUF_START) >> 8);
+	m_nic_write (CTL_REG_ETXNDL, (length + ENC_TX_BUF_START) & 0xFF);
+	m_nic_write (CTL_REG_ETXNDH, (length + ENC_TX_BUF_START) >> 8);
 
 	/* set ECON1.TXRTS */
-	m_nic_bfs(CTL_REG_ECON1, ENC_ECON1_TXRTS);
+	m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_TXRTS);
 
 	return 0;
 }
@@ -374,13 +375,13 @@ int eth_send(volatile void *packet, int length)
  * This function resets the receiver only. This function may be called from
  * interrupt-context.
  */
-static void encReceiverReset(void)
+static void encReceiverReset (void)
 {
 	unsigned char econ1;
 
-	econ1 = m_nic_read(CTL_REG_ECON1);
-	if((econ1 & ENC_ECON1_RXRST) == 0) {
-		m_nic_bfs(CTL_REG_ECON1, ENC_ECON1_RXRST);
+	econ1 = m_nic_read (CTL_REG_ECON1);
+	if ((econ1 & ENC_ECON1_RXRST) == 0) {
+		m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_RXRST);
 		rxResetCounter = RX_RESET_COUNTER;
 	}
 }
@@ -388,85 +389,84 @@ static void encReceiverReset(void)
 /*****************************************************************************
  * receiver reset timer
  */
-static void encReceiverResetCallback(void)
+static void encReceiverResetCallback (void)
 {
-	m_nic_bfc(CTL_REG_ECON1, ENC_ECON1_RXRST);
-	m_nic_bfs(CTL_REG_ECON1, ENC_ECON1_RXEN); /* enable receive */
+	m_nic_bfc (CTL_REG_ECON1, ENC_ECON1_RXRST);
+	m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_RXEN);	/* enable receive */
 }
 
 /*-----------------------------------------------------------------------------
  * Check for received packets. Call NetReceive for each packet. The return
  * value is ignored by the caller.
  */
-int eth_rx(void)
+int eth_rx (void)
 {
-	if(rxResetCounter > 0 && --rxResetCounter == 0)
-	{
-		encReceiverResetCallback();
+	if (rxResetCounter > 0 && --rxResetCounter == 0) {
+		encReceiverResetCallback ();
 	}
 
-	encPoll();
+	encPoll ();
 
 	return 0;
 }
 
-void eth_halt(void)
+void eth_halt (void)
 {
-	m_nic_bfc(CTL_REG_ECON1, ENC_ECON1_RXEN); /* disable receive */
+	m_nic_bfc (CTL_REG_ECON1, ENC_ECON1_RXEN);	/* disable receive */
 }
 
 /*****************************************************************************/
 
-static void encPoll(void) 
+static void encPoll (void)
 {
 	unsigned char eir_reg;
 	volatile unsigned char estat_reg;
 	unsigned char pkt_cnt;
 
 	/* clear global interrupt enable bit in enc28j60 */
-	m_nic_bfc(CTL_REG_EIE, ENC_EIE_INTIE);
-	estat_reg = m_nic_read(CTL_REG_ESTAT);
+	m_nic_bfc (CTL_REG_EIE, ENC_EIE_INTIE);
+	estat_reg = m_nic_read (CTL_REG_ESTAT);
 
-	eir_reg = m_nic_read(CTL_REG_EIR);
+	eir_reg = m_nic_read (CTL_REG_EIR);
 
-	if (eir_reg & ENC_EIR_TXIF){
+	if (eir_reg & ENC_EIR_TXIF) {
 		/* clear TXIF bit in EIR */
-		m_nic_bfc(CTL_REG_EIR, ENC_EIR_TXIF);
+		m_nic_bfc (CTL_REG_EIR, ENC_EIR_TXIF);
 	}
 
 	/* We have to use pktcnt and not pktif bit, see errata pt. 6 */
 
 	/* move to bank 1 */
-	m_nic_bfc(CTL_REG_ECON1, ENC_ECON1_BSEL1);
-	m_nic_bfs(CTL_REG_ECON1, ENC_ECON1_BSEL0);
+	m_nic_bfc (CTL_REG_ECON1, ENC_ECON1_BSEL1);
+	m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_BSEL0);
 
 	/* read pktcnt */
-	pkt_cnt = m_nic_read(CTL_REG_EPKTCNT);
+	pkt_cnt = m_nic_read (CTL_REG_EPKTCNT);
 
 	if (pkt_cnt > 0) {
 		if ((eir_reg & ENC_EIR_PKTIF) == 0) {
-		  /*printf("encPoll: pkt cnt > 0, but pktif not set\n"); */
+			/*printf("encPoll: pkt cnt > 0, but pktif not set\n"); */
 		}
-		encRx();
+		encRx ();
 		/* clear PKTIF bit in EIR, this should not need to be done but it
 		   seems like we get problems if we do not */
-		m_nic_bfc(CTL_REG_EIR, ENC_EIR_PKTIF);
+		m_nic_bfc (CTL_REG_EIR, ENC_EIR_PKTIF);
 	}
 
 	if (eir_reg & ENC_EIR_RXERIF) {
-		printf("encPoll: rx error\n");
-		m_nic_bfc(CTL_REG_EIR, ENC_EIR_RXERIF);
+		printf ("encPoll: rx error\n");
+		m_nic_bfc (CTL_REG_EIR, ENC_EIR_RXERIF);
 	}
 	if (eir_reg & ENC_EIR_TXERIF) {
-		printf("encPoll: tx error\n");
-		m_nic_bfc(CTL_REG_EIR, ENC_EIR_TXERIF);
+		printf ("encPoll: tx error\n");
+		m_nic_bfc (CTL_REG_EIR, ENC_EIR_TXERIF);
 	}
 
 	/* set global interrupt enable bit in enc28j60 */
-	m_nic_bfs(CTL_REG_EIE, ENC_EIE_INTIE);
+	m_nic_bfs (CTL_REG_EIE, ENC_EIE_INTIE);
 }
 
-static void encRx(void)
+static void encRx (void)
 {
 	unsigned short pkt_len;
 	unsigned short copy_len;
@@ -475,19 +475,19 @@ static void encRx(void)
 	unsigned char pkt_cnt = 0;
 
 	/* switch to bank 0 */
-	m_nic_bfc(CTL_REG_ECON1, (ENC_ECON1_BSEL1 | ENC_ECON1_BSEL0));
+	m_nic_bfc (CTL_REG_ECON1, (ENC_ECON1_BSEL1 | ENC_ECON1_BSEL0));
 
-	m_nic_write(CTL_REG_ERDPTL, next_pointer_lsb);
-	m_nic_write(CTL_REG_ERDPTH, next_pointer_msb);
+	m_nic_write (CTL_REG_ERDPTL, next_pointer_lsb);
+	m_nic_write (CTL_REG_ERDPTH, next_pointer_msb);
 
 	do {
-		m_nic_read_data(6, buffer);
+		m_nic_read_data (6, buffer);
 		next_pointer_lsb = buffer[0];
 		next_pointer_msb = buffer[1];
 		pkt_len = buffer[2];
-		pkt_len |= (unsigned short)buffer[3] << 8;
+		pkt_len |= (unsigned short) buffer[3] << 8;
 		status = buffer[4];
-		status |= (unsigned short)buffer[5] << 8;
+		status |= (unsigned short) buffer[5] << 8;
 
 		if (pkt_len <= ENC_MAX_FRM_LEN) {
 			copy_len = pkt_len;
@@ -497,343 +497,344 @@ static void encRx(void)
 			/* we will drop this packet */
 		}
 
-		if ((status & (1L << 7)) == 0) { /* check Received Ok bit */
+		if ((status & (1L << 7)) == 0) {	/* check Received Ok bit */
 			copy_len = 0;
 			/*      p_priv->stats.rx_errors++; */
 		}
 
-		if (copy_len > 0) { 
-			m_nic_read_data(copy_len, buffer);
-		}    
+		if (copy_len > 0) {
+			m_nic_read_data (copy_len, buffer);
+		}
 
 		/* advance read pointer to next pointer */
-		m_nic_write(CTL_REG_ERDPTL, next_pointer_lsb);
-		m_nic_write(CTL_REG_ERDPTH, next_pointer_msb);
+		m_nic_write (CTL_REG_ERDPTL, next_pointer_lsb);
+		m_nic_write (CTL_REG_ERDPTH, next_pointer_msb);
 
 		/* decrease packet counter */
-		m_nic_bfs(CTL_REG_ECON2, ENC_ECON2_PKTDEC);
+		m_nic_bfs (CTL_REG_ECON2, ENC_ECON2_PKTDEC);
 
 		/* move to bank 1 */
-		m_nic_bfc(CTL_REG_ECON1, ENC_ECON1_BSEL1);
-		m_nic_bfs(CTL_REG_ECON1, ENC_ECON1_BSEL0);
+		m_nic_bfc (CTL_REG_ECON1, ENC_ECON1_BSEL1);
+		m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_BSEL0);
 
 		/* read pktcnt */
-		pkt_cnt = m_nic_read(CTL_REG_EPKTCNT);
+		pkt_cnt = m_nic_read (CTL_REG_EPKTCNT);
 
 		/* switch to bank 0 */
-		m_nic_bfc(CTL_REG_ECON1, (ENC_ECON1_BSEL1 | ENC_ECON1_BSEL0));    
+		m_nic_bfc (CTL_REG_ECON1,
+			   (ENC_ECON1_BSEL1 | ENC_ECON1_BSEL0));
 
 		if (copy_len == 0) {
-			eir_reg = m_nic_read(CTL_REG_EIR);
-			encReceiverReset();
-			printf("eth_rx: copy_len=0\n");
+			eir_reg = m_nic_read (CTL_REG_EIR);
+			encReceiverReset ();
+			printf ("eth_rx: copy_len=0\n");
 			continue;
 		}
 
-		NetReceive((unsigned char *)buffer, pkt_len);
+		NetReceive ((unsigned char *) buffer, pkt_len);
 
-		eir_reg = m_nic_read(CTL_REG_EIR);
-	} while (pkt_cnt); /* Use EPKTCNT not EIR.PKTIF flag, see errata pt. 6 */
-	m_nic_write(CTL_REG_ERXRDPTL, next_pointer_lsb);
-	m_nic_write(CTL_REG_ERXRDPTH, next_pointer_msb);
+		eir_reg = m_nic_read (CTL_REG_EIR);
+	} while (pkt_cnt);	/* Use EPKTCNT not EIR.PKTIF flag, see errata pt. 6 */
+	m_nic_write (CTL_REG_ERXRDPTL, next_pointer_lsb);
+	m_nic_write (CTL_REG_ERXRDPTH, next_pointer_msb);
 }
 
-static void encWriteReg(unsigned char regNo, unsigned char data)
+static void encWriteReg (unsigned char regNo, unsigned char data)
 {
-	spi_lock();
-	enc_cfg_spi();
-	enc_enable();
+	spi_lock ();
+	enc_cfg_spi ();
+	enc_enable ();
 
-	spi_write(0x40 | regNo);  /* write in regNo */
-	spi_write(data);
+	spi_write (0x40 | regNo);	/* write in regNo */
+	spi_write (data);
 
-	enc_disable();
-	enc_enable();
+	enc_disable ();
+	enc_enable ();
 
-	spi_write(0x1f);      /* write reg 0x1f */
+	spi_write (0x1f);	/* write reg 0x1f */
 
-	enc_disable();
-	spi_unlock();
+	enc_disable ();
+	spi_unlock ();
 }
 
-static void encWriteRegRetry(unsigned char regNo, unsigned char data, int c)
+static void encWriteRegRetry (unsigned char regNo, unsigned char data, int c)
 {
 	unsigned char readback;
 	int i;
 
-	spi_lock();
+	spi_lock ();
 
 	for (i = 0; i < c; i++) {
-		enc_cfg_spi();
-		enc_enable();
+		enc_cfg_spi ();
+		enc_enable ();
 
-		spi_write(0x40 | regNo);    /* write in regNo */
-		spi_write(data);
+		spi_write (0x40 | regNo);	/* write in regNo */
+		spi_write (data);
 
-		enc_disable();
-		enc_enable();
+		enc_disable ();
+		enc_enable ();
 
-		spi_write(0x1f);        /* write reg 0x1f */
+		spi_write (0x1f);	/* write reg 0x1f */
 
-		enc_disable();
+		enc_disable ();
 
-		spi_unlock();       /* we must unlock spi first */
+		spi_unlock ();	/* we must unlock spi first */
 
-		readback = encReadReg(regNo);
+		readback = encReadReg (regNo);
 
-		spi_lock();
+		spi_lock ();
 
 		if (readback == data)
 			break;
 	}
-	spi_unlock();
+	spi_unlock ();
 
 	if (i == c) {
-		printf("enc28j60: write reg %d failed\n", regNo);
+		printf ("enc28j60: write reg %d failed\n", regNo);
 	}
 }
 
-static unsigned char encReadReg(unsigned char regNo)
+static unsigned char encReadReg (unsigned char regNo)
 {
 	unsigned char rxByte;
 
-	spi_lock();
-	enc_cfg_spi();
-	enc_enable();
+	spi_lock ();
+	enc_cfg_spi ();
+	enc_enable ();
 
-	spi_write(0x1f);      /* read reg 0x1f */
+	spi_write (0x1f);	/* read reg 0x1f */
 
-	bank = spi_read() & 0x3;
+	bank = spi_read () & 0x3;
 
-	enc_disable();
-	enc_enable();
+	enc_disable ();
+	enc_enable ();
 
-	spi_write(regNo);
-	rxByte = spi_read();
+	spi_write (regNo);
+	rxByte = spi_read ();
 
 	/* check if MAC or MII register */
 	if (((bank == 2) && (regNo <= 0x1a)) ||
-			((bank == 3) && (regNo <= 0x05 || regNo == 0x0a))) {
+	    ((bank == 3) && (regNo <= 0x05 || regNo == 0x0a))) {
 		/* ignore first byte and read another byte */
-		rxByte = spi_read();
+		rxByte = spi_read ();
 	}
 
-	enc_disable();
-	spi_unlock();
+	enc_disable ();
+	spi_unlock ();
 
 	return rxByte;
 }
 
-static void encReadBuff(unsigned short length, unsigned char *pBuff)
+static void encReadBuff (unsigned short length, unsigned char *pBuff)
 {
-	spi_lock();
-	enc_cfg_spi();
-	enc_enable();
+	spi_lock ();
+	enc_cfg_spi ();
+	enc_enable ();
 
-	spi_write(0x20 | 0x1a);         /* read buffer memory */
+	spi_write (0x20 | 0x1a);	/* read buffer memory */
 
-	while(length--) {
-		if(pBuff != NULL)
-			*pBuff++ = spi_read();
+	while (length--) {
+		if (pBuff != NULL)
+			*pBuff++ = spi_read ();
 		else
-			spi_write(0);
+			spi_write (0);
 	}
 
-	enc_disable();
-	spi_unlock();
+	enc_disable ();
+	spi_unlock ();
 }
 
-static void encWriteBuff(unsigned short length, 
-             unsigned char *pBuff)
+static void encWriteBuff (unsigned short length, unsigned char *pBuff)
 {
-	spi_lock();
-	enc_cfg_spi();
-	enc_enable();
+	spi_lock ();
+	enc_cfg_spi ();
+	enc_enable ();
 
-	spi_write(0x60 | 0x1a);         /* write buffer memory */
+	spi_write (0x60 | 0x1a);	/* write buffer memory */
 
-	spi_write(0x00);      /* control byte */
+	spi_write (0x00);	/* control byte */
 
-	while(length--)
-		spi_write(*pBuff++);
+	while (length--)
+		spi_write (*pBuff++);
 
-	enc_disable();
-	spi_unlock();
+	enc_disable ();
+	spi_unlock ();
 }
 
-static void encBitSet(unsigned char regNo, unsigned char data)
+static void encBitSet (unsigned char regNo, unsigned char data)
 {
-	spi_lock();
-	enc_cfg_spi();
-	enc_enable();
+	spi_lock ();
+	enc_cfg_spi ();
+	enc_enable ();
 
-	spi_write(0x80 | regNo);  /* bit field set */
-	spi_write(data);
+	spi_write (0x80 | regNo);	/* bit field set */
+	spi_write (data);
 
-	enc_disable();
-	spi_unlock();
+	enc_disable ();
+	spi_unlock ();
 }
 
-static void encBitClr(unsigned char regNo, unsigned char data)
+static void encBitClr (unsigned char regNo, unsigned char data)
 {
-	spi_lock();
-	enc_cfg_spi();
-	enc_enable();
+	spi_lock ();
+	enc_cfg_spi ();
+	enc_enable ();
 
-	spi_write(0xA0 | regNo);  /* bit field clear */
-	spi_write(data);
+	spi_write (0xA0 | regNo);	/* bit field clear */
+	spi_write (data);
 
-	enc_disable();
-	spi_unlock();
+	enc_disable ();
+	spi_unlock ();
 }
 
-static void encReset(void)
+static void encReset (void)
 {
-	spi_lock();
-	enc_cfg_spi();
-	enc_enable();
+	spi_lock ();
+	enc_cfg_spi ();
+	enc_enable ();
 
-	spi_write(0xff);      /* soft reset */
+	spi_write (0xff);	/* soft reset */
 
-	enc_disable();
-	spi_unlock();
+	enc_disable ();
+	spi_unlock ();
 
 	/* sleep 1 ms. See errata pt. 2 */
-	udelay(1000);
+	udelay (1000);
 
 #if 0
-	(*((volatile unsigned long*)IO1CLR)) &= ENC_RESET;
-	mdelay(5);
-	(*((volatile unsigned long*)IO1SET)) &= ENC_RESET;
+	(*((volatile unsigned long *) IO1CLR)) &= ENC_RESET;
+	mdelay (5);
+	(*((volatile unsigned long *) IO1SET)) &= ENC_RESET;
 #endif
 }
 
-static void encInit(unsigned char *pEthAddr)
+static void encInit (unsigned char *pEthAddr)
 {
 	unsigned short phid1 = 0;
 	unsigned short phid2 = 0;
 
 	/* switch to bank 0 */
-	m_nic_bfc(CTL_REG_ECON1, (ENC_ECON1_BSEL1 | ENC_ECON1_BSEL0));
+	m_nic_bfc (CTL_REG_ECON1, (ENC_ECON1_BSEL1 | ENC_ECON1_BSEL0));
 
-	/* 
-	* Setup the buffer space. The reset values are valid for the
-	* other pointers. 
-	*/  
+	/*
+	 * Setup the buffer space. The reset values are valid for the
+	 * other pointers.
+	 */
 #if 0
-	/* We shall not write to ERXST, see errata pt. 5. Instead we 
-	 have to make sure that ENC_RX_BUS_START is 0. */
-	m_nic_write_retry(CTL_REG_ERXSTL, (ENC_RX_BUF_START & 0xFF), 1);
-	m_nic_write_retry(CTL_REG_ERXSTH, (ENC_RX_BUF_START >> 8), 1);
+	/* We shall not write to ERXST, see errata pt. 5. Instead we
+	   have to make sure that ENC_RX_BUS_START is 0. */
+	m_nic_write_retry (CTL_REG_ERXSTL, (ENC_RX_BUF_START & 0xFF), 1);
+	m_nic_write_retry (CTL_REG_ERXSTH, (ENC_RX_BUF_START >> 8), 1);
 #endif
-	m_nic_write_retry(CTL_REG_ERDPTL, (ENC_RX_BUF_START & 0xFF), 1);
-	m_nic_write_retry(CTL_REG_ERDPTH, (ENC_RX_BUF_START >> 8), 1);
+	m_nic_write_retry (CTL_REG_ERDPTL, (ENC_RX_BUF_START & 0xFF), 1);
+	m_nic_write_retry (CTL_REG_ERDPTH, (ENC_RX_BUF_START >> 8), 1);
 
 	next_pointer_lsb = (ENC_RX_BUF_START & 0xFF);
 	next_pointer_msb = (ENC_RX_BUF_START >> 8);
 
 	/*
-	* For tracking purposes, the ERXRDPT registers should be programmed with 
-	* the same value. This is the read pointer.
-	*/
-	m_nic_write(CTL_REG_ERXRDPTL, (ENC_RX_BUF_START & 0xFF));
-	m_nic_write_retry(CTL_REG_ERXRDPTH, (ENC_RX_BUF_START >> 8), 1);
+	 * For tracking purposes, the ERXRDPT registers should be programmed with
+	 * the same value. This is the read pointer.
+	 */
+	m_nic_write (CTL_REG_ERXRDPTL, (ENC_RX_BUF_START & 0xFF));
+	m_nic_write_retry (CTL_REG_ERXRDPTH, (ENC_RX_BUF_START >> 8), 1);
 
 	/* Setup receive filters. */
 
 	/* move to bank 1 */
-	m_nic_bfc(CTL_REG_ECON1, ENC_ECON1_BSEL1);
-	m_nic_bfs(CTL_REG_ECON1, ENC_ECON1_BSEL0);
+	m_nic_bfc (CTL_REG_ECON1, ENC_ECON1_BSEL1);
+	m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_BSEL0);
 
 	/* OR-filtering, Unicast, CRC-check and broadcast */
-	m_nic_write_retry(CTL_REG_ERXFCON, 
-			(ENC_RFR_UCEN|ENC_RFR_CRCEN|ENC_RFR_BCEN), 1);
+	m_nic_write_retry (CTL_REG_ERXFCON,
+			   (ENC_RFR_UCEN | ENC_RFR_CRCEN | ENC_RFR_BCEN), 1);
 
 	/* Wait for Oscillator Start-up Timer (OST). */
-	while((m_nic_read(CTL_REG_ESTAT) & ENC_ESTAT_CLKRDY) == 0) {
+	while ((m_nic_read (CTL_REG_ESTAT) & ENC_ESTAT_CLKRDY) == 0) {
 		static int cnt = 0;
-		if(cnt++ >= 1000){
-		  cnt = 0;
+
+		if (cnt++ >= 1000) {
+			cnt = 0;
 		}
 	}
 
 	/* verify identification */
-	phid1 = phyRead(PHY_REG_PHID1);
-	phid2 = phyRead(PHY_REG_PHID2);
-
-	if(phid1 != ENC_PHID1_VALUE 
-	 || (phid2 & ENC_PHID2_MASK) != ENC_PHID2_VALUE) {
-		printf("ERROR: failed to identify controller\n");
-		printf("phid1 = %x, phid2 = %x\n", 
-			phid1, (phid2&ENC_PHID2_MASK));
-		printf("should be phid1 = %x, phid2 = %x\n", 
+	phid1 = phyRead (PHY_REG_PHID1);
+	phid2 = phyRead (PHY_REG_PHID2);
+
+	if (phid1 != ENC_PHID1_VALUE
+	    || (phid2 & ENC_PHID2_MASK) != ENC_PHID2_VALUE) {
+		printf ("ERROR: failed to identify controller\n");
+		printf ("phid1 = %x, phid2 = %x\n",
+			phid1, (phid2 & ENC_PHID2_MASK));
+		printf ("should be phid1 = %x, phid2 = %x\n",
 			ENC_PHID1_VALUE, ENC_PHID2_VALUE);
 	}
 
 	/*
-	* --- MAC Initialization ---
-	*/
+	 * --- MAC Initialization ---
+	 */
 
 	/* Pull MAC out of Reset */
 
 	/* switch to bank 2 */
-	m_nic_bfc(CTL_REG_ECON1, ENC_ECON1_BSEL0);
-	m_nic_bfs(CTL_REG_ECON1, ENC_ECON1_BSEL1);
+	m_nic_bfc (CTL_REG_ECON1, ENC_ECON1_BSEL0);
+	m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_BSEL1);
 	/* clear MAC reset bits */
-	m_nic_write_retry(CTL_REG_MACON2, 0, 1);
+	m_nic_write_retry (CTL_REG_MACON2, 0, 1);
 
 	/* enable MAC to receive frames */
-	m_nic_write_retry(CTL_REG_MACON1, ENC_MACON1_MARXEN, 10);
+	m_nic_write_retry (CTL_REG_MACON1, ENC_MACON1_MARXEN, 10);
 
-	/* configure pad, tx-crc and duplex */ 
+	/* configure pad, tx-crc and duplex */
 	/* TODO maybe enable FRMLNEN */
-	m_nic_write_retry(CTL_REG_MACON3, (ENC_MACON3_PADCFG0|ENC_MACON3_TXCRCEN), 
-			10);
+	m_nic_write_retry (CTL_REG_MACON3,
+			   (ENC_MACON3_PADCFG0 | ENC_MACON3_TXCRCEN), 10);
 
 	/* set maximum frame length */
-	m_nic_write_retry(CTL_REG_MAMXFLL, (ENC_MAX_FRM_LEN & 0xff), 10);
-	m_nic_write_retry(CTL_REG_MAMXFLH, (ENC_MAX_FRM_LEN >> 8), 10);
+	m_nic_write_retry (CTL_REG_MAMXFLL, (ENC_MAX_FRM_LEN & 0xff), 10);
+	m_nic_write_retry (CTL_REG_MAMXFLH, (ENC_MAX_FRM_LEN >> 8), 10);
 
-	/* 
-	* Set MAC back-to-back inter-packet gap. Recommended 0x12 for half duplex
-	* and 0x15 for full duplex.
-	*/
-	m_nic_write_retry(CTL_REG_MABBIPG, 0x12, 10);
+	/*
+	 * Set MAC back-to-back inter-packet gap. Recommended 0x12 for half duplex
+	 * and 0x15 for full duplex.
+	 */
+	m_nic_write_retry (CTL_REG_MABBIPG, 0x12, 10);
 
 	/* Set (low byte) Non-Back-to_Back Inter-Packet Gap. Recommended 0x12 */
-	m_nic_write_retry(CTL_REG_MAIPGL, 0x12, 10);
+	m_nic_write_retry (CTL_REG_MAIPGL, 0x12, 10);
 
-	/* 
-	* Set (high byte) Non-Back-to_Back Inter-Packet Gap. Recommended 
-	* 0x0c for half-duplex. Nothing for full-duplex
-	*/
-	m_nic_write_retry(CTL_REG_MAIPGH, 0x0C, 10);
+	/*
+	 * Set (high byte) Non-Back-to_Back Inter-Packet Gap. Recommended
+	 * 0x0c for half-duplex. Nothing for full-duplex
+	 */
+	m_nic_write_retry (CTL_REG_MAIPGH, 0x0C, 10);
 
 	/* set MAC address */
 
 	/* switch to bank 3 */
-	m_nic_bfs(CTL_REG_ECON1, (ENC_ECON1_BSEL0|ENC_ECON1_BSEL1));
+	m_nic_bfs (CTL_REG_ECON1, (ENC_ECON1_BSEL0 | ENC_ECON1_BSEL1));
 
-	m_nic_write_retry(CTL_REG_MAADR0, pEthAddr[5], 1);
-	m_nic_write_retry(CTL_REG_MAADR1, pEthAddr[4], 1);
-	m_nic_write_retry(CTL_REG_MAADR2, pEthAddr[3], 1);
-	m_nic_write_retry(CTL_REG_MAADR3, pEthAddr[2], 1);
-	m_nic_write_retry(CTL_REG_MAADR4, pEthAddr[1], 1);
-	m_nic_write_retry(CTL_REG_MAADR5, pEthAddr[0], 1);
+	m_nic_write_retry (CTL_REG_MAADR0, pEthAddr[5], 1);
+	m_nic_write_retry (CTL_REG_MAADR1, pEthAddr[4], 1);
+	m_nic_write_retry (CTL_REG_MAADR2, pEthAddr[3], 1);
+	m_nic_write_retry (CTL_REG_MAADR3, pEthAddr[2], 1);
+	m_nic_write_retry (CTL_REG_MAADR4, pEthAddr[1], 1);
+	m_nic_write_retry (CTL_REG_MAADR5, pEthAddr[0], 1);
 
 	/*
-	* Receive settings
-	*/
+	 * Receive settings
+	 */
 
 	/* auto-increment RX-pointer when reading a received packet */
-	m_nic_bfs(CTL_REG_ECON2, ENC_ECON2_AUTOINC);
+	m_nic_bfs (CTL_REG_ECON2, ENC_ECON2_AUTOINC);
 
 	/* enable interrupts */
-	m_nic_bfs(CTL_REG_EIE, ENC_EIE_PKTIE);
-	m_nic_bfs(CTL_REG_EIE, ENC_EIE_TXIE);
-	m_nic_bfs(CTL_REG_EIE, ENC_EIE_RXERIE);
-	m_nic_bfs(CTL_REG_EIE, ENC_EIE_TXERIE);
-	m_nic_bfs(CTL_REG_EIE, ENC_EIE_INTIE);
+	m_nic_bfs (CTL_REG_EIE, ENC_EIE_PKTIE);
+	m_nic_bfs (CTL_REG_EIE, ENC_EIE_TXIE);
+	m_nic_bfs (CTL_REG_EIE, ENC_EIE_RXERIE);
+	m_nic_bfs (CTL_REG_EIE, ENC_EIE_TXERIE);
+	m_nic_bfs (CTL_REG_EIE, ENC_EIE_INTIE);
 }
 
 /*****************************************************************************
@@ -849,25 +850,25 @@ static void encInit(unsigned char *pEthAddr)
  * Returns:
  *    The value in the register
  */
-static unsigned short phyRead(unsigned char addr)
+static unsigned short phyRead (unsigned char addr)
 {
 	unsigned short ret = 0;
 
 	/* move to bank 2 */
-	m_nic_bfc(CTL_REG_ECON1, ENC_ECON1_BSEL0);
-	m_nic_bfs(CTL_REG_ECON1, ENC_ECON1_BSEL1);
+	m_nic_bfc (CTL_REG_ECON1, ENC_ECON1_BSEL0);
+	m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_BSEL1);
 
 	/* write address to MIREGADR */
-	m_nic_write(CTL_REG_MIREGADR, addr);
+	m_nic_write (CTL_REG_MIREGADR, addr);
 
 	/* set MICMD.MIIRD */
-	m_nic_write(CTL_REG_MICMD, ENC_MICMD_MIIRD);
+	m_nic_write (CTL_REG_MICMD, ENC_MICMD_MIIRD);
 
 	/* poll MISTAT.BUSY bit until operation is complete */
-	while((m_nic_read(CTL_REG_MISTAT) & ENC_MISTAT_BUSY) != 0) {
+	while ((m_nic_read (CTL_REG_MISTAT) & ENC_MISTAT_BUSY) != 0) {
 		static int cnt = 0;
 
-		if(cnt++ >= 1000) {
+		if (cnt++ >= 1000) {
 			/* GJ - this seems extremely dangerous! */
 			/* printf("#"); */
 			cnt = 0;
@@ -875,10 +876,10 @@ static unsigned short phyRead(unsigned char addr)
 	}
 
 	/* clear MICMD.MIIRD */
-	m_nic_write(CTL_REG_MICMD, 0);
+	m_nic_write (CTL_REG_MICMD, 0);
 
-	ret  = (m_nic_read(CTL_REG_MIRDH) << 8);
-	ret |= (m_nic_read(CTL_REG_MIRDL) & 0xFF);
+	ret = (m_nic_read (CTL_REG_MIRDH) << 8);
+	ret |= (m_nic_read (CTL_REG_MIRDL) & 0xFF);
 
 	return ret;
 }