[U-Boot-Users] [PATCH 0/1 V2] NE2000: coding style cleanup

Jean-Christophe PLAGNIOL-VILLARD plagnioj at jcrosoft.com
Thu Apr 24 07:57:16 CEST 2008


Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
---
Fix coding style in drivers/net/ax88796.h too

 drivers/net/ax88796.h     |   46 ++--
 drivers/net/ne2000.c      |  276 ++++++++++++----------
 drivers/net/ne2000.h      |   30 ++--
 drivers/net/ne2000_base.h |  567 +++++++++++++++++++++++----------------------
 4 files changed, 474 insertions(+), 445 deletions(-)
 rewrite drivers/net/ne2000_base.h (65%)

diff --git a/drivers/net/ax88796.h b/drivers/net/ax88796.h
index 069ae80..0e6f8a2 100644
--- a/drivers/net/ax88796.h
+++ b/drivers/net/ax88796.h
@@ -23,24 +23,24 @@
 #ifndef __DRIVERS_AX88796L_H__
 #define __DRIVERS_AX88796L_H__
 
-#define DP_DATA     (0x10 << 1)
-#define START_PG    0x40    /* First page of TX buffer */
-#define START_PG2   0x48
-#define STOP_PG     0x80    /* Last page +1 of RX ring */
-#define TX_PAGES    12
-#define RX_START    (START_PG+TX_PAGES)
-#define RX_END      STOP_PG
+#define DP_DATA		(0x10 << 1)
+#define START_PG	0x40	/* First page of TX buffer */
+#define START_PG2	0x48
+#define STOP_PG		0x80	/* Last page +1 of RX ring */
+#define TX_PAGES	12
+#define RX_START	(START_PG+TX_PAGES)
+#define RX_END		STOP_PG
 
 #define AX88796L_BASE_ADDRESS	CONFIG_DRIVER_NE2000_BASE
-#define AX88796L_BYTE_ACCESS    0x00001000
-#define AX88796L_OFFSET         0x00000400
-#define AX88796L_ADDRESS_BYTE   AX88796L_BASE_ADDRESS + \
+#define AX88796L_BYTE_ACCESS	0x00001000
+#define AX88796L_OFFSET		0x00000400
+#define AX88796L_ADDRESS_BYTE	AX88796L_BASE_ADDRESS + \
 		AX88796L_BYTE_ACCESS + AX88796L_OFFSET
-#define AX88796L_REG_MEMR       AX88796L_ADDRESS_BYTE + (0x14<<1)
-#define AX88796L_REG_CR         AX88796L_ADDRESS_BYTE + (0x00<<1)
+#define AX88796L_REG_MEMR	AX88796L_ADDRESS_BYTE + (0x14<<1)
+#define AX88796L_REG_CR		AX88796L_ADDRESS_BYTE + (0x00<<1)
 
 #define AX88796L_CR		(*(vu_short *)(AX88796L_REG_CR))
-#define AX88796L_MEMR	(*(vu_short *)(AX88796L_REG_MEMR))
+#define AX88796L_MEMR		(*(vu_short *)(AX88796L_REG_MEMR))
 
 #define EECS_HIGH		(AX88796L_MEMR |= 0x10)
 #define EECS_LOW		(AX88796L_MEMR &= 0xef)
@@ -53,7 +53,7 @@
 #define PAGE0_SET		(AX88796L_CR &= 0x3f)
 #define PAGE1_SET		(AX88796L_CR = (AX88796L_CR & 0x3f) | 0x40)
 
-#define BIT_DUMMY		0
+#define BIT_DUMMY	0
 #define MAC_EEP_READ	1
 #define MAC_EEP_WRITE	2
 #define MAC_EEP_ERACE	3
@@ -62,20 +62,20 @@
 
 /* R7780MP Specific code */
 #if defined(CONFIG_R7780MP)
-#define ISA_OFFSET  0x1400
-#define DP_IN(_b_, _o_, _d_)  (_d_) = \
+#define ISA_OFFSET	0x1400
+#define DP_IN(_b_, _o_, _d_)	(_d_) = \
 	*( (vu_short *) ((_b_) + ((_o_) * 2) + ISA_OFFSET))
 #define DP_OUT(_b_, _o_, _d_) \
 	*((vu_short *)((_b_) + ((_o_) * 2) + ISA_OFFSET)) = (_d_)
-#define DP_IN_DATA(_b_, _d_)  (_d_) = *( (vu_short *) ((_b_) + ISA_OFFSET))
-#define DP_OUT_DATA(_b_, _d_) *( (vu_short *) ((_b_)+ISA_OFFSET)) = (_d_)
+#define DP_IN_DATA(_b_, _d_)	(_d_) = *( (vu_short *) ((_b_) + ISA_OFFSET))
+#define DP_OUT_DATA(_b_, _d_)	*( (vu_short *) ((_b_)+ISA_OFFSET)) = (_d_)
 #else
 /* Please change for your target boards */
-#define ISA_OFFSET  0x0000
-#define DP_IN(_b_, _o_, _d_)  (_d_) = *( (vu_short *)((_b_)+(_o_ )+ISA_OFFSET))
-#define DP_OUT(_b_, _o_, _d_) *((vu_short *)((_b_)+(_o_)+ISA_OFFSET)) = (_d_)
-#define DP_IN_DATA(_b_, _d_)  (_d_) = *( (vu_short *) ((_b_)+ISA_OFFSET))
-#define DP_OUT_DATA(_b_, _d_) *( (vu_short *) ((_b_)+ISA_OFFSET)) = (_d_)
+#define ISA_OFFSET	0x0000
+#define DP_IN(_b_, _o_, _d_)	(_d_) = *( (vu_short *)((_b_)+(_o_ )+ISA_OFFSET))
+#define DP_OUT(_b_, _o_, _d_)	*((vu_short *)((_b_)+(_o_)+ISA_OFFSET)) = (_d_)
+#define DP_IN_DATA(_b_, _d_)	(_d_) = *( (vu_short *) ((_b_)+ISA_OFFSET))
+#define DP_OUT_DATA(_b_, _d_)	*( (vu_short *) ((_b_)+ISA_OFFSET)) = (_d_)
 #endif
 
 
diff --git a/drivers/net/ne2000.c b/drivers/net/ne2000.c
index 99baeea..d09da78 100644
--- a/drivers/net/ne2000.c
+++ b/drivers/net/ne2000.c
@@ -1,5 +1,5 @@
 /*
-Ported to U-Boot  by Christian Pellegrin <chri at ascensit.com>
+Ported to U-Boot by Christian Pellegrin <chri at ascensit.com>
 
 Based on sources from the Linux kernel (pcnet_cs.c, 8390.h) and
 eCOS(if_dp83902a.c, if_dp83902a.h). Both of these 2 wonderful world
@@ -57,13 +57,13 @@ and are covered by the appropriate copyright disclaimers included herein.
 ==========================================================================
 #####DESCRIPTIONBEGIN####
 
-Author(s):    gthomas
-Contributors: gthomas, jskov, rsandifo
-Date:	      2001-06-13
+Author(s):	gthomas
+Contributors:	gthomas, jskov, rsandifo
+Date:		2001-06-13
 Purpose:
 Description:
 
-FIXME:	      Will fail if pinged with large packets (1520 bytes)
+FIXME:		Will fail if pinged with large packets (1520 bytes)
 Add promisc config
 Add SNMP
 
@@ -77,24 +77,26 @@ Add SNMP
 #include <net.h>
 #include <malloc.h>
 
-#define mdelay(n)       udelay((n)*1000)
+#define mdelay(n)	udelay((n)*1000)
 /* forward definition of function used for the uboot interface */
 void uboot_push_packet_len(int len);
 void uboot_push_tx_done(int key, int val);
 
 /*
-  ------------------------------------------------------------------------
-  Debugging details
-
-  Set to perms of:
-  0 disables all debug output
-  1 for process debug output
-  2 for added data IO output: get_reg, put_reg
-  4 for packet allocation/free output
-  8 for only startup status, so we can tell we're installed OK
-*/
-/*#define DEBUG 0xf*/
+ * Debugging details
+ *
+ * Set to perms of:
+ * 0 disables all debug output
+ * 1 for process debug output
+ * 2 for added data IO output: get_reg, put_reg
+ * 4 for packet allocation/free output
+ * 8 for only startup status, so we can tell we're installed OK
+ */
+#if 0
+#define DEBUG 0xf
+#else
 #define DEBUG 0
+#endif
 
 #if DEBUG & 1
 #define DEBUG_FUNCTION() do { printf("%s\n", __FUNCTION__); } while (0)
@@ -128,27 +130,28 @@ dp83902a_init(void)
 	DEBUG_FUNCTION();
 
 	base = dp->base;
-	if (!base) return false;  /* No device found */
+	if (!base)
+		return false;	/* No device found */
 
 	DEBUG_LINE();
 
 #if defined(NE2000_BASIC_INIT)
 	/* AX88796L doesn't need */
 	/* Prepare ESA */
-	DP_OUT(base, DP_CR, DP_CR_NODMA | DP_CR_PAGE1);  /* Select page 1 */
+	DP_OUT(base, DP_CR, DP_CR_NODMA | DP_CR_PAGE1);	/* Select page 1 */
 	/* Use the address from the serial EEPROM */
 	for (i = 0; i < 6; i++)
 		DP_IN(base, DP_P1_PAR0+i, dp->esa[i]);
-	DP_OUT(base, DP_CR, DP_CR_NODMA | DP_CR_PAGE0);  /* Select page 0 */
+	DP_OUT(base, DP_CR, DP_CR_NODMA | DP_CR_PAGE0);	/* Select page 0 */
 
 	printf("NE2000 - %s ESA: %02x:%02x:%02x:%02x:%02x:%02x\n",
-	       "eeprom",
-	       dp->esa[0],
-	       dp->esa[1],
-	       dp->esa[2],
-	       dp->esa[3],
-	       dp->esa[4],
-	       dp->esa[5] );
+		"eeprom",
+		dp->esa[0],
+		dp->esa[1],
+		dp->esa[2],
+		dp->esa[3],
+		dp->esa[4],
+		dp->esa[5] );
 
 #endif	/* NE2000_BASIC_INIT */
 	return true;
@@ -162,7 +165,7 @@ dp83902a_stop(void)
 
 	DEBUG_FUNCTION();
 
-	DP_OUT(base, DP_CR, DP_CR_PAGE0 | DP_CR_NODMA | DP_CR_STOP);  /* Brutal */
+	DP_OUT(base, DP_CR, DP_CR_PAGE0 | DP_CR_NODMA | DP_CR_STOP);	/* Brutal */
 	DP_OUT(base, DP_ISR, 0xFF);		/* Clear any pending interrupts */
 	DP_OUT(base, DP_IMR, 0x00);		/* Disable all interrupts */
 
@@ -170,11 +173,11 @@ dp83902a_stop(void)
 }
 
 /*
-  This function is called to "start up" the interface.  It may be called
-  multiple times, even when the hardware is already running.  It will be
-  called whenever something "hardware oriented" changes and should leave
-  the hardware ready to send/receive packets.
-*/
+ * This function is called to "start up" the interface. It may be called
+ * multiple times, even when the hardware is already running. It will be
+ * called whenever something "hardware oriented" changes and should leave
+ * the hardware ready to send/receive packets.
+ */
 static void
 dp83902a_start(u8 * enaddr)
 {
@@ -196,16 +199,16 @@ dp83902a_start(u8 * enaddr)
 	dp->tx_started = false;
 	dp->running = true;
 	DP_OUT(base, DP_PSTART, dp->rx_buf_start); /* Receive ring start page */
-	DP_OUT(base, DP_BNDRY, dp->rx_buf_end-1); /* Receive ring boundary */
+	DP_OUT(base, DP_BNDRY, dp->rx_buf_end - 1); /* Receive ring boundary */
 	DP_OUT(base, DP_PSTOP, dp->rx_buf_end);	/* Receive ring end page */
-	dp->rx_next = dp->rx_buf_start-1;
+	dp->rx_next = dp->rx_buf_start - 1;
 	dp->running = true;
 	DP_OUT(base, DP_ISR, 0xFF);		/* Clear any pending interrupts */
 	DP_OUT(base, DP_IMR, DP_IMR_All);	/* Enable all interrupts */
-	DP_OUT(base, DP_CR, DP_CR_NODMA | DP_CR_PAGE1 | DP_CR_STOP);  /* Select page 1 */
-	DP_OUT(base, DP_P1_CURP, dp->rx_buf_start);   /* Current page - next free page for Rx */
+	DP_OUT(base, DP_CR, DP_CR_NODMA | DP_CR_PAGE1 | DP_CR_STOP);	/* Select page 1 */
+	DP_OUT(base, DP_P1_CURP, dp->rx_buf_start);	/* Current page - next free page for Rx */
 	dp->running = true;
-	for (i = 0;  i < ETHER_ADDR_LEN;  i++) {
+	for (i = 0; i < ETHER_ADDR_LEN; i++) {
 		/* FIXME */
 		/*((vu_short*)( base + ((DP_P1_PAR0 + i) * 2) +
 		 * 0x1400)) = enaddr[i];*/
@@ -214,15 +217,15 @@ dp83902a_start(u8 * enaddr)
 	/* Enable and start device */
 	DP_OUT(base, DP_CR, DP_CR_PAGE0 | DP_CR_NODMA | DP_CR_START);
 	DP_OUT(base, DP_TCR, DP_TCR_NORMAL); /* Normal transmit operations */
-	DP_OUT(base, DP_RCR, DP_RCR_AB);  /* Accept broadcast, no errors, no multicast */
+	DP_OUT(base, DP_RCR, DP_RCR_AB); /* Accept broadcast, no errors, no multicast */
 	dp->running = true;
 }
 
 /*
-  This routine is called to start the transmitter.  It is split out from the
-  data handling routine so it may be called either when data becomes first
-  available or when an Tx interrupt occurs
-*/
+ * This routine is called to start the transmitter. It is split out from the
+ * data handling routine so it may be called either when data becomes first
+ * available or when an Tx interrupt occurs
+ */
 
 static void
 dp83902a_start_xmit(int start_page, int len)
@@ -249,9 +252,9 @@ dp83902a_start_xmit(int start_page, int len)
 }
 
 /*
-  This routine is called to send data to the hardware.  It is known a-priori
-  that there is free buffer space (dp->tx_next).
-*/
+ * This routine is called to send data to the hardware. It is known a-priori
+ * that there is free buffer space (dp->tx_next).
+ */
 static void
 dp83902a_send(u8 *data, int total_len, u32 key)
 {
@@ -265,7 +268,8 @@ dp83902a_send(u8 *data, int total_len, u32 key)
 	DEBUG_FUNCTION();
 
 	len = pkt_len = total_len;
-	if (pkt_len < IEEE_8023_MIN_FRAME) pkt_len = IEEE_8023_MIN_FRAME;
+	if (pkt_len < IEEE_8023_MIN_FRAME)
+		pkt_len = IEEE_8023_MIN_FRAME;
 
 	start_page = dp->tx_next;
 	if (dp->tx_next == dp->tx_buf1) {
@@ -284,17 +288,19 @@ dp83902a_send(u8 *data, int total_len, u32 key)
 	printf("TX prep page %d len %d\n", start_page, pkt_len);
 #endif
 
-	DP_OUT(base, DP_ISR, DP_ISR_RDC);  /* Clear end of DMA */
+	DP_OUT(base, DP_ISR, DP_ISR_RDC);	/* Clear end of DMA */
 	{
-		/* Dummy read. The manual sez something slightly different, */
-		/* but the code is extended a bit to do what Hitachi's monitor */
-		/* does (i.e., also read data). */
+		/*
+		 * Dummy read. The manual sez something slightly different,
+		 * but the code is extended a bit to do what Hitachi's monitor
+		 * does (i.e., also read data).
+		 */
 
 		u16 tmp;
 		int len = 1;
 
-		DP_OUT(base, DP_RSAL, 0x100-len);
-		DP_OUT(base, DP_RSAH, (start_page-1) & 0xff);
+		DP_OUT(base, DP_RSAL, 0x100 - len);
+		DP_OUT(base, DP_RSAH, (start_page - 1) & 0xff);
 		DP_OUT(base, DP_RBCL, len);
 		DP_OUT(base, DP_RBCH, 0);
 		DP_OUT(base, DP_CR, DP_CR_PAGE0 | DP_CR_RDMA | DP_CR_START);
@@ -302,8 +308,10 @@ dp83902a_send(u8 *data, int total_len, u32 key)
 	}
 
 #ifdef CYGHWR_NS_DP83902A_PLF_BROKEN_TX_DMA
-	/* Stall for a bit before continuing to work around random data */
-	/* corruption problems on some platforms. */
+	/*
+	 * Stall for a bit before continuing to work around random data
+	 * corruption problems on some platforms.
+	 */
 	CYGACC_CALL_IF_DELAY_US(1);
 #endif
 
@@ -336,16 +344,18 @@ dp83902a_send(u8 *data, int total_len, u32 key)
 		printf("  + %d bytes of padding\n", pkt_len - total_len);
 #endif
 		/* Padding to 802.3 length was required */
-		for (i = total_len;  i < pkt_len;) {
+		for (i = total_len; i < pkt_len;) {
 			i++;
 			DP_OUT_DATA(dp->data, 0);
 		}
 	}
 
 #ifdef CYGHWR_NS_DP83902A_PLF_BROKEN_TX_DMA
-	/* After last data write, delay for a bit before accessing the */
-	/* device again, or we may get random data corruption in the last */
-	/* datum (on some platforms). */
+	/*
+	 * After last data write, delay for a bit before accessing the
+	 * device again, or we may get random data corruption in the last
+	 * datum (on some platforms).
+	 */
 	CYGACC_CALL_IF_DELAY_US(1);
 #endif
 
@@ -360,21 +370,21 @@ dp83902a_send(u8 *data, int total_len, u32 key)
 	/* Start transmit if not already going */
 	if (!dp->tx_started) {
 		if (start_page == dp->tx1) {
-			dp->tx_int = 1;  /* Expecting interrupt from BUF1 */
+			dp->tx_int = 1; /* Expecting interrupt from BUF1 */
 		} else {
-			dp->tx_int = 2;  /* Expecting interrupt from BUF2 */
+			dp->tx_int = 2; /* Expecting interrupt from BUF2 */
 		}
 		dp83902a_start_xmit(start_page, pkt_len);
 	}
 }
 
 /*
-  This function is called when a packet has been received.  It's job is
-  to prepare to unload the packet from the hardware.  Once the length of
-  the packet is known, the upper layer of the driver can be told.  When
-  the upper layer is ready to unload the packet, the internal function
-  'dp83902a_recv' will be called to actually fetch it from the hardware.
-*/
+ * This function is called when a packet has been received. It's job is
+ * to prepare to unload the packet from the hardware. Once the length of
+ * the packet is known, the upper layer of the driver can be told. When
+ * the upper layer is ready to unload the packet, the internal function
+ * 'dp83902a_recv' will be called to actually fetch it from the hardware.
+ */
 static void
 dp83902a_RxEvent(void)
 {
@@ -407,9 +417,9 @@ dp83902a_RxEvent(void)
 		DP_OUT(base, DP_RSAH, pkt);
 		if (dp->rx_next == pkt) {
 			if (cur == dp->rx_buf_start)
-				DP_OUT(base, DP_BNDRY, dp->rx_buf_end-1);
+				DP_OUT(base, DP_BNDRY, dp->rx_buf_end - 1);
 			else
-				DP_OUT(base, DP_BNDRY, cur-1); /* Update pointer */
+				DP_OUT(base, DP_BNDRY, cur - 1); /* Update pointer */
 			return;
 		}
 		dp->rx_next = pkt;
@@ -420,13 +430,13 @@ dp83902a_RxEvent(void)
 #endif
 
 		/* read header (get data size)*/
-		for (i = 0;  i < sizeof(rcv_hdr);) {
+		for (i = 0; i < sizeof(rcv_hdr);) {
 			DP_IN_DATA(dp->data, rcv_hdr[i++]);
 		}
 
 #if DEBUG & 5
 		printf("rx hdr %02x %02x %02x %02x\n",
-		       rcv_hdr[0], rcv_hdr[1], rcv_hdr[2], rcv_hdr[3]);
+			rcv_hdr[0], rcv_hdr[1], rcv_hdr[2], rcv_hdr[3]);
 #endif
 		len = ((rcv_hdr[3] << 8) | rcv_hdr[2]) - sizeof(rcv_hdr);
 
@@ -434,19 +444,19 @@ dp83902a_RxEvent(void)
 		uboot_push_packet_len(len);
 
 		if (rcv_hdr[1] == dp->rx_buf_start)
-			DP_OUT(base, DP_BNDRY, dp->rx_buf_end-1);
+			DP_OUT(base, DP_BNDRY, dp->rx_buf_end - 1);
 		else
-			DP_OUT(base, DP_BNDRY, rcv_hdr[1]-1); /* Update pointer */
+			DP_OUT(base, DP_BNDRY, rcv_hdr[1] - 1); /* Update pointer */
 	}
 }
 
 /*
-  This function is called as a result of the "eth_drv_recv()" call above.
-  It's job is to actually fetch data for a packet from the hardware once
-  memory buffers have been allocated for the packet.  Note that the buffers
-  may come in pieces, using a scatter-gather list.  This allows for more
-  efficient processing in the upper layers of the stack.
-*/
+ * This function is called as a result of the "eth_drv_recv()" call above.
+ * It's job is to actually fetch data for a packet from the hardware once
+ * memory buffers have been allocated for the packet. Note that the buffers
+ * may come in pieces, using a scatter-gather list. This allows for more
+ * efficient processing in the upper layers of the stack.
+ */
 static void
 dp83902a_recv(u8 *data, int len)
 {
@@ -478,7 +488,7 @@ dp83902a_recv(u8 *data, int len)
 #endif
 
 	saved = false;
-	for (i = 0;  i < 1;  i++) {
+	for (i = 0; i < 1; i++) {
 		if (data) {
 			mlen = len;
 #if DEBUG & 4
@@ -545,8 +555,10 @@ dp83902a_TxEvent(void)
 	uboot_push_tx_done(key, 0);
 }
 
-/* Read the tally counters to clear them.  Called in response to a CNT */
-/* interrupt. */
+/*
+ * Read the tally counters to clear them. Called in response to a CNT
+ * interrupt.
+ */
 static void
 dp83902a_ClearCounters(void)
 {
@@ -560,8 +572,10 @@ dp83902a_ClearCounters(void)
 	DP_OUT(base, DP_ISR, DP_ISR_CNT);
 }
 
-/* Deal with an overflow condition.  This code follows the procedure set */
-/* out in section 7.0 of the datasheet. */
+/*
+ * Deal with an overflow condition. This code follows the procedure set
+ * out in section 7.0 of the datasheet.
+ */
 static void
 dp83902a_Overflow(void)
 {
@@ -581,9 +595,11 @@ dp83902a_Overflow(void)
 	DP_OUT(base, DP_TCR, DP_TCR_LOCAL);
 	DP_OUT(base, DP_CR, DP_CR_START | DP_CR_NODMA);
 
-	/* Read in as many packets as we can and acknowledge any and receive */
-	/* interrupts.  Since the buffer has overflowed, a receive event of */
-	/* some kind will have occured. */
+	/*
+	 * Read in as many packets as we can and acknowledge any and receive
+	 * interrupts. Since the buffer has overflowed, a receive event of
+	 * some kind will have occured.
+	 */
 	dp83902a_RxEvent();
 	DP_OUT(base, DP_ISR, DP_ISR_RxP|DP_ISR_RxE);
 
@@ -591,8 +607,10 @@ dp83902a_Overflow(void)
 	DP_OUT(base, DP_ISR, DP_ISR_OFLW);
 	DP_OUT(base, DP_TCR, DP_TCR_NORMAL);
 
-	/* If a transmit command was issued, but no transmit event has occured, */
-	/* restart it here. */
+	/*
+	 * If a transmit command was issued, but no transmit event has occured,
+	 * restart it here.
+	 */
 	DP_IN(base, DP_ISR, isr);
 	if (dp->tx_started && !(isr & (DP_ISR_TxP|DP_ISR_TxE))) {
 		DP_OUT(base, DP_CR, DP_CR_NODMA | DP_CR_TXPKT | DP_CR_START);
@@ -609,25 +627,33 @@ dp83902a_poll(void)
 	DP_OUT(base, DP_CR, DP_CR_NODMA | DP_CR_PAGE0 | DP_CR_START);
 	DP_IN(base, DP_ISR, isr);
 	while (0 != isr) {
-		/* The CNT interrupt triggers when the MSB of one of the error */
-		/* counters is set.  We don't much care about these counters, but */
-		/* we should read their values to reset them. */
+		/*
+		 * The CNT interrupt triggers when the MSB of one of the error
+		 * counters is set. We don't much care about these counters, but
+		 * we should read their values to reset them.
+		 */
 		if (isr & DP_ISR_CNT) {
 			dp83902a_ClearCounters();
 		}
-		/* Check for overflow.  It's a special case, since there's a */
-		/* particular procedure that must be followed to get back into */
-		/* a running state.a */
+		/*
+		 * Check for overflow. It's a special case, since there's a
+		 * particular procedure that must be followed to get back into
+		 * a running state.a
+		 */
 		if (isr & DP_ISR_OFLW) {
 			dp83902a_Overflow();
 		} else {
-			/* Other kinds of interrupts can be acknowledged simply by */
-			/* clearing the relevant bits of the ISR.  Do that now, then */
-			/* handle the interrupts we care about. */
-			DP_OUT(base, DP_ISR, isr);      /* Clear set bits */
+			/*
+			 * Other kinds of interrupts can be acknowledged simply by
+			 * clearing the relevant bits of the ISR. Do that now, then
+			 * handle the interrupts we care about.
+			 */
+			DP_OUT(base, DP_ISR, isr);	/* Clear set bits */
 			if (!dp->running) break;	/* Is this necessary? */
-			/* Check for tx_started on TX event since these may happen */
-			/* spuriously it seems. */
+			/*
+			 * Check for tx_started on TX event since these may happen
+			 * spuriously it seems.
+			 */
 			if (isr & (DP_ISR_TxP|DP_ISR_TxE) && dp->tx_started) {
 				dp83902a_TxEvent();
 			}
@@ -658,8 +684,8 @@ typedef struct hw_info_t {
 #define HAS_MII		0x40
 #define USE_SHMEM	0x80	/* autodetected */
 
-#define AM79C9XX_HOME_PHY	0x00006B90  /* HomePNA PHY */
-#define AM79C9XX_ETH_PHY	0x00006B70  /* 10baseT PHY */
+#define AM79C9XX_HOME_PHY	0x00006B90	/* HomePNA PHY */
+#define AM79C9XX_ETH_PHY	0x00006B70	/* 10baseT PHY */
 #define MII_PHYID_REV_MASK	0xfffffff0
 #define MII_PHYID_REG1		0x02
 #define MII_PHYID_REG2		0x03
@@ -669,7 +695,7 @@ static hw_info_t hw_info[] = {
 	{ /* Allied Telesis LA-PCM */ 0x0ff0, 0x00, 0x00, 0xf4, 0 },
 	{ /* APEX MultiCard */ 0x03f4, 0x00, 0x20, 0xe5, 0 },
 	{ /* ASANTE FriendlyNet */ 0x4910, 0x00, 0x00, 0x94,
-	  DELAY_OUTPUT | HAS_IBM_MISC },
+			DELAY_OUTPUT | HAS_IBM_MISC },
 	{ /* Danpex EN-6200P2 */ 0x0110, 0x00, 0x40, 0xc7, 0 },
 	{ /* DataTrek NetCard */ 0x0ff0, 0x00, 0x20, 0xe8, 0 },
 	{ /* Dayna CommuniCard E */ 0x0110, 0x00, 0x80, 0x19, 0 },
@@ -677,48 +703,48 @@ static hw_info_t hw_info[] = {
 	{ /* EP-210 Ethernet */ 0x0110, 0x00, 0x40, 0x33, 0 },
 	{ /* EP4000 Ethernet */ 0x01c0, 0x00, 0x00, 0xb4, 0 },
 	{ /* Epson EEN10B */ 0x0ff0, 0x00, 0x00, 0x48,
-	  HAS_MISC_REG | HAS_IBM_MISC },
+			HAS_MISC_REG | HAS_IBM_MISC },
 	{ /* ELECOM Laneed LD-CDWA */ 0xb8, 0x08, 0x00, 0x42, 0 },
 	{ /* Hypertec Ethernet */ 0x01c0, 0x00, 0x40, 0x4c, 0 },
 	{ /* IBM CCAE */ 0x0ff0, 0x08, 0x00, 0x5a,
-	  HAS_MISC_REG | HAS_IBM_MISC },
+			HAS_MISC_REG | HAS_IBM_MISC },
 	{ /* IBM CCAE */ 0x0ff0, 0x00, 0x04, 0xac,
-	  HAS_MISC_REG | HAS_IBM_MISC },
+			HAS_MISC_REG | HAS_IBM_MISC },
 	{ /* IBM CCAE */ 0x0ff0, 0x00, 0x06, 0x29,
-	  HAS_MISC_REG | HAS_IBM_MISC },
+			HAS_MISC_REG | HAS_IBM_MISC },
 	{ /* IBM FME */ 0x0374, 0x08, 0x00, 0x5a,
-	  HAS_MISC_REG | HAS_IBM_MISC },
+			HAS_MISC_REG | HAS_IBM_MISC },
 	{ /* IBM FME */ 0x0374, 0x00, 0x04, 0xac,
-	  HAS_MISC_REG | HAS_IBM_MISC },
+			HAS_MISC_REG | HAS_IBM_MISC },
 	{ /* Kansai KLA-PCM/T */ 0x0ff0, 0x00, 0x60, 0x87,
-	  HAS_MISC_REG | HAS_IBM_MISC },
+			HAS_MISC_REG | HAS_IBM_MISC },
 	{ /* NSC DP83903 */ 0x0374, 0x08, 0x00, 0x17,
-	  HAS_MISC_REG | HAS_IBM_MISC },
+			HAS_MISC_REG | HAS_IBM_MISC },
 	{ /* NSC DP83903 */ 0x0374, 0x00, 0xc0, 0xa8,
-	  HAS_MISC_REG | HAS_IBM_MISC },
+			HAS_MISC_REG | HAS_IBM_MISC },
 	{ /* NSC DP83903 */ 0x0374, 0x00, 0xa0, 0xb0,
-	  HAS_MISC_REG | HAS_IBM_MISC },
+			HAS_MISC_REG | HAS_IBM_MISC },
 	{ /* NSC DP83903 */ 0x0198, 0x00, 0x20, 0xe0,
-	  HAS_MISC_REG | HAS_IBM_MISC },
+			HAS_MISC_REG | HAS_IBM_MISC },
 	{ /* I-O DATA PCLA/T */ 0x0ff0, 0x00, 0xa0, 0xb0, 0 },
 	{ /* Katron PE-520 */ 0x0110, 0x00, 0x40, 0xf6, 0 },
 	{ /* Kingston KNE-PCM/x */ 0x0ff0, 0x00, 0xc0, 0xf0,
-	  HAS_MISC_REG | HAS_IBM_MISC },
+			HAS_MISC_REG | HAS_IBM_MISC },
 	{ /* Kingston KNE-PCM/x */ 0x0ff0, 0xe2, 0x0c, 0x0f,
-	  HAS_MISC_REG | HAS_IBM_MISC },
+			HAS_MISC_REG | HAS_IBM_MISC },
 	{ /* Kingston KNE-PC2 */ 0x0180, 0x00, 0xc0, 0xf0, 0 },
 	{ /* Maxtech PCN2000 */ 0x5000, 0x00, 0x00, 0xe8, 0 },
 	{ /* NDC Instant-Link */ 0x003a, 0x00, 0x80, 0xc6, 0 },
 	{ /* NE2000 Compatible */ 0x0ff0, 0x00, 0xa0, 0x0c, 0 },
 	{ /* Network General Sniffer */ 0x0ff0, 0x00, 0x00, 0x65,
-	  HAS_MISC_REG | HAS_IBM_MISC },
+			HAS_MISC_REG | HAS_IBM_MISC },
 	{ /* Panasonic VEL211 */ 0x0ff0, 0x00, 0x80, 0x45,
-	  HAS_MISC_REG | HAS_IBM_MISC },
+			HAS_MISC_REG | HAS_IBM_MISC },
 	{ /* PreMax PE-200 */ 0x07f0, 0x00, 0x20, 0xe0, 0 },
 	{ /* RPTI EP400 */ 0x0110, 0x00, 0x40, 0x95, 0 },
 	{ /* SCM Ethernet */ 0x0ff0, 0x00, 0x20, 0xcb, 0 },
 	{ /* Socket EA */ 0x4000, 0x00, 0xc0, 0x1b,
-	  DELAY_OUTPUT | HAS_MISC_REG | USE_BIG_BUF },
+			DELAY_OUTPUT | HAS_MISC_REG | USE_BIG_BUF },
 	{ /* Socket LP-E CF+ */ 0x01c0, 0x00, 0xc0, 0x1b, 0 },
 	{ /* SuperSocket RE450T */ 0x0110, 0x00, 0xe0, 0x98, 0 },
 	{ /* Volktek NPL-402CT */ 0x0060, 0x00, 0x40, 0x05, 0 },
@@ -744,11 +770,11 @@ u32 nic_base;
 static u8 *pbuf = NULL;
 
 static int pkey = -1;
-static int initialized=0;
+static int initialized = 0;
 
 void uboot_push_packet_len(int len) {
 	PRINTK("pushed len = %d\n", len);
-	if (len>=2000) {
+	if (len >= 2000) {
 		printf("NE2000: packet too big\n");
 		return;
 	}
@@ -779,7 +805,7 @@ int eth_init(bd_t *bd) {
 
 #ifdef CONFIG_DRIVER_NE2000_CCR
 	{
-		vu_char *p =  (vu_char *) CONFIG_DRIVER_NE2000_CCR;
+		vu_char *p = (vu_char *) CONFIG_DRIVER_NE2000_CCR;
 
 		PRINTK("CCR before is %x\n", *p);
 		*p = CONFIG_DRIVER_NE2000_VAL;
@@ -811,7 +837,7 @@ int eth_init(bd_t *bd) {
 		return -1;
 
 	dp83902a_start(dev_addr);
-	initialized=1;
+	initialized = 1;
 
 	return 0;
 }
@@ -821,7 +847,7 @@ void eth_halt() {
 	PRINTK("### eth_halt\n");
 	if(initialized)
 		dp83902a_stop();
-	initialized=0;
+	initialized = 0;
 }
 
 int eth_rx() {
diff --git a/drivers/net/ne2000.h b/drivers/net/ne2000.h
index d324a00..6049482 100644
--- a/drivers/net/ne2000.h
+++ b/drivers/net/ne2000.h
@@ -1,5 +1,5 @@
 /*
-Ported to U-Boot  by Christian Pellegrin <chri at ascensit.com>
+Ported to U-Boot by Christian Pellegrin <chri at ascensit.com>
 
 Based on sources from the Linux kernel (pcnet_cs.c, 8390.h) and
 eCOS(if_dp83902a.c, if_dp83902a.h). Both of these 2 wonderful world
@@ -7,9 +7,9 @@ are GPL, so this is, of course, GPL.
 
 ==========================================================================
 
-      dev/dp83902a.h
+	dev/dp83902a.h
 
-      National Semiconductor DP83902a ethernet chip
+	National Semiconductor DP83902a ethernet chip
 
 ==========================================================================
 ####ECOSGPLCOPYRIGHTBEGIN####
@@ -57,9 +57,9 @@ are GPL, so this is, of course, GPL.
 ==========================================================================
 #####DESCRIPTIONBEGIN####
 
- Author(s):    gthomas
- Contributors: gthomas, jskov
- Date:         2001-06-13
+ Author(s):	gthomas
+ Contributors:	gthomas, jskov
+ Date:		2001-06-13
  Purpose:
  Description:
 
@@ -79,17 +79,17 @@ are GPL, so this is, of course, GPL.
 /* Enable NE2000 basic init function */
 #define NE2000_BASIC_INIT
 
-#define DP_DATA     0x10
-#define START_PG    0x50    /* First page of TX buffer */
-#define STOP_PG     0x80    /* Last page +1 of RX ring */
+#define DP_DATA		0x10
+#define START_PG	0x50	/* First page of TX buffer */
+#define STOP_PG		0x80	/* Last page +1 of RX ring */
 
-#define RX_START    0x50
-#define RX_END      0x80
+#define RX_START	0x50
+#define RX_END		0x80
 
-#define DP_IN(_b_, _o_, _d_)  (_d_) = *( (vu_char *) ((_b_)+(_o_)))
-#define DP_OUT(_b_, _o_, _d_) *( (vu_char *) ((_b_)+(_o_))) = (_d_)
-#define DP_IN_DATA(_b_, _d_)  (_d_) = *( (vu_char *) ((_b_)))
-#define DP_OUT_DATA(_b_, _d_) *( (vu_char *) ((_b_))) = (_d_)
+#define DP_IN(_b_, _o_, _d_)	(_d_) = *( (vu_char *) ((_b_)+(_o_)))
+#define DP_OUT(_b_, _o_, _d_)	*( (vu_char *) ((_b_)+(_o_))) = (_d_)
+#define DP_IN_DATA(_b_, _d_)	(_d_) = *( (vu_char *) ((_b_)))
+#define DP_OUT_DATA(_b_, _d_)	*( (vu_char *) ((_b_))) = (_d_)
 
 static void pcnet_reset_8390(void)
 {
diff --git a/drivers/net/ne2000_base.h b/drivers/net/ne2000_base.h
dissimilarity index 65%
index 1badf62..990d748 100644
--- a/drivers/net/ne2000_base.h
+++ b/drivers/net/ne2000_base.h
@@ -1,282 +1,285 @@
-/*
-Ported to U-Boot  by Christian Pellegrin <chri at ascensit.com>
-
-Based on sources from the Linux kernel (pcnet_cs.c, 8390.h) and
-eCOS(if_dp83902a.c, if_dp83902a.h). Both of these 2 wonderful world
-are GPL, so this is, of course, GPL.
-
-
-==========================================================================
-
-      dev/dp83902a.h
-
-      National Semiconductor DP83902a ethernet chip
-
-==========================================================================
-####ECOSGPLCOPYRIGHTBEGIN####
- -------------------------------------------
- This file is part of eCos, the Embedded Configurable Operating System.
- Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
-
- eCos is free software; you can redistribute it and/or modify it under
- the terms of the GNU General Public License as published by the Free
- Software Foundation; either version 2 or (at your option) any later version.
-
- eCos is distributed in the hope that it will be useful, but WITHOUT ANY
- WARRANTY; without even the implied warranty of MERCHANTABILITY or
- FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- for more details.
-
- You should have received a copy of the GNU General Public License along
- with eCos; if not, write to the Free Software Foundation, Inc.,
- 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
-
- As a special exception, if other files instantiate templates or use macros
- or inline functions from this file, or you compile this file and link it
- with other works to produce a work based on this file, this file does not
- by itself cause the resulting work to be covered by the GNU General Public
- License. However the source code for this file must still be made available
- in accordance with section (3) of the GNU General Public License.
-
- This exception does not invalidate any other reasons why a work based on
- this file might be covered by the GNU General Public License.
-
- Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
- at http://sources.redhat.com/ecos/ecos-license/
- -------------------------------------------
-####ECOSGPLCOPYRIGHTEND####
-####BSDCOPYRIGHTBEGIN####
-
- -------------------------------------------
-
- Portions of this software may have been derived from OpenBSD or other sources,
- and are covered by the appropriate copyright disclaimers included herein.
-
- -------------------------------------------
-
-####BSDCOPYRIGHTEND####
-==========================================================================
-#####DESCRIPTIONBEGIN####
-
- Author(s):    gthomas
- Contributors: gthomas, jskov
- Date:         2001-06-13
- Purpose:
- Description:
-
-####DESCRIPTIONEND####
-
-==========================================================================
-
-*/
-
-/*
- ------------------------------------------------------------------------
- Macros for accessing DP registers
- These can be overridden by the platform header
-*/
-
-#define bool int
-
-#define false 0
-#define true 1
-
-/* timeout for tx/rx in s */
-#define TOUT 5
-/* Ether MAC address size */
-#define ETHER_ADDR_LEN 6
-
-
-#define CYGHWR_NS_DP83902A_PLF_BROKEN_TX_DMA 1
-#define CYGACC_CALL_IF_DELAY_US(X) udelay(X)
-
-/* H/W infomation struct */
-typedef struct hw_info_t {
-    u32   offset;
-    u8  a0, a1, a2;
-    u32   flags;
-} hw_info_t;
-
-typedef struct dp83902a_priv_data {
-    u8* base;
-    u8* data;
-    u8* reset;
-    int tx_next;           /* First free Tx page */
-    int tx_int;            /* Expecting interrupt from this buffer */
-    int rx_next;           /* First free Rx page */
-    int tx1, tx2;          /* Page numbers for Tx buffers */
-    u32 tx1_key, tx2_key;   /* Used to ack when packet sent */
-    int tx1_len, tx2_len;
-    bool tx_started, running, hardwired_esa;
-    u8 esa[6];
-    void* plf_priv;
-
-    /* Buffer allocation */
-    int tx_buf1, tx_buf2;
-    int rx_buf_start, rx_buf_end;
-} dp83902a_priv_data_t;
-
-/*
- ------------------------------------------------------------------------
- Some forward declarations
-*/
-int get_prom( u8* mac_addr);
-static void dp83902a_poll(void);
-
-/* ------------------------------------------------------------------------ */
-/* Register offsets */
-
-#define DP_CR          0x00
-#define DP_CLDA0       0x01
-#define DP_PSTART      0x01             /* write */
-#define DP_CLDA1       0x02
-#define DP_PSTOP       0x02             /* write */
-#define DP_BNDRY       0x03
-#define DP_TSR         0x04
-#define DP_TPSR        0x04             /* write */
-#define DP_NCR         0x05
-#define DP_TBCL        0x05             /* write */
-#define DP_FIFO        0x06
-#define DP_TBCH        0x06             /* write */
-#define DP_ISR         0x07
-#define DP_CRDA0       0x08
-#define DP_RSAL        0x08             /* write */
-#define DP_CRDA1       0x09
-#define DP_RSAH        0x09             /* write */
-#define DP_RBCL        0x0a             /* write */
-#define DP_RBCH        0x0b             /* write */
-#define DP_RSR         0x0c
-#define DP_RCR         0x0c             /* write */
-#define DP_FER         0x0d
-#define DP_TCR         0x0d             /* write */
-#define DP_CER         0x0e
-#define DP_DCR         0x0e             /* write */
-#define DP_MISSED      0x0f
-#define DP_IMR         0x0f             /* write */
-#define DP_DATAPORT    0x10             /* "eprom" data port */
-
-#define DP_P1_CR       0x00
-#define DP_P1_PAR0     0x01
-#define DP_P1_PAR1     0x02
-#define DP_P1_PAR2     0x03
-#define DP_P1_PAR3     0x04
-#define DP_P1_PAR4     0x05
-#define DP_P1_PAR5     0x06
-#define DP_P1_CURP     0x07
-#define DP_P1_MAR0     0x08
-#define DP_P1_MAR1     0x09
-#define DP_P1_MAR2     0x0a
-#define DP_P1_MAR3     0x0b
-#define DP_P1_MAR4     0x0c
-#define DP_P1_MAR5     0x0d
-#define DP_P1_MAR6     0x0e
-#define DP_P1_MAR7     0x0f
-
-#define DP_P2_CR       0x00
-#define DP_P2_PSTART   0x01
-#define DP_P2_CLDA0    0x01             /* write */
-#define DP_P2_PSTOP    0x02
-#define DP_P2_CLDA1    0x02             /* write */
-#define DP_P2_RNPP     0x03
-#define DP_P2_TPSR     0x04
-#define DP_P2_LNPP     0x05
-#define DP_P2_ACH      0x06
-#define DP_P2_ACL      0x07
-#define DP_P2_RCR      0x0c
-#define DP_P2_TCR      0x0d
-#define DP_P2_DCR      0x0e
-#define DP_P2_IMR      0x0f
-
-/* Command register - common to all pages */
-
-#define DP_CR_STOP    0x01   /* Stop: software reset */
-#define DP_CR_START   0x02   /* Start: initialize device */
-#define DP_CR_TXPKT   0x04   /* Transmit packet */
-#define DP_CR_RDMA    0x08   /* Read DMA  (recv data from device) */
-#define DP_CR_WDMA    0x10   /* Write DMA (send data to device) */
-#define DP_CR_SEND    0x18   /* Send packet */
-#define DP_CR_NODMA   0x20   /* Remote (or no) DMA */
-#define DP_CR_PAGE0   0x00   /* Page select */
-#define DP_CR_PAGE1   0x40
-#define DP_CR_PAGE2   0x80
-#define DP_CR_PAGEMSK 0x3F   /* Used to mask out page bits */
-
-/* Data configuration register */
-
-#define DP_DCR_WTS    0x01   /* 1=16 bit word transfers */
-#define DP_DCR_BOS    0x02   /* 1=Little Endian */
-#define DP_DCR_LAS    0x04   /* 1=Single 32 bit DMA mode */
-#define DP_DCR_LS     0x08   /* 1=normal mode, 0=loopback */
-#define DP_DCR_ARM    0x10   /* 0=no send command (program I/O) */
-#define DP_DCR_FIFO_1 0x00   /* FIFO threshold */
-#define DP_DCR_FIFO_2 0x20
-#define DP_DCR_FIFO_4 0x40
-#define DP_DCR_FIFO_6 0x60
-
-#define DP_DCR_INIT   (DP_DCR_LS|DP_DCR_FIFO_4)
-
-/* Interrupt status register */
-
-#define DP_ISR_RxP    0x01   /* Packet received */
-#define DP_ISR_TxP    0x02   /* Packet transmitted */
-#define DP_ISR_RxE    0x04   /* Receive error */
-#define DP_ISR_TxE    0x08   /* Transmit error */
-#define DP_ISR_OFLW   0x10   /* Receive overflow */
-#define DP_ISR_CNT    0x20   /* Tally counters need emptying */
-#define DP_ISR_RDC    0x40   /* Remote DMA complete */
-#define DP_ISR_RESET  0x80   /* Device has reset (shutdown, error) */
-
-/* Interrupt mask register */
-
-#define DP_IMR_RxP    0x01   /* Packet received */
-#define DP_IMR_TxP    0x02   /* Packet transmitted */
-#define DP_IMR_RxE    0x04   /* Receive error */
-#define DP_IMR_TxE    0x08   /* Transmit error */
-#define DP_IMR_OFLW   0x10   /* Receive overflow */
-#define DP_IMR_CNT    0x20   /* Tall counters need emptying */
-#define DP_IMR_RDC    0x40   /* Remote DMA complete */
-
-#define DP_IMR_All    0x3F   /* Everything but remote DMA */
-
-/* Receiver control register */
-
-#define DP_RCR_SEP    0x01   /* Save bad(error) packets */
-#define DP_RCR_AR     0x02   /* Accept runt packets */
-#define DP_RCR_AB     0x04   /* Accept broadcast packets */
-#define DP_RCR_AM     0x08   /* Accept multicast packets */
-#define DP_RCR_PROM   0x10   /* Promiscuous mode */
-#define DP_RCR_MON    0x20   /* Monitor mode - 1=accept no packets */
-
-/* Receiver status register */
-
-#define DP_RSR_RxP    0x01   /* Packet received */
-#define DP_RSR_CRC    0x02   /* CRC error */
-#define DP_RSR_FRAME  0x04   /* Framing error */
-#define DP_RSR_FO     0x08   /* FIFO overrun */
-#define DP_RSR_MISS   0x10   /* Missed packet */
-#define DP_RSR_PHY    0x20   /* 0=pad match, 1=mad match */
-#define DP_RSR_DIS    0x40   /* Receiver disabled */
-#define DP_RSR_DFR    0x80   /* Receiver processing deferred */
-
-/* Transmitter control register */
-
-#define DP_TCR_NOCRC  0x01   /* 1=inhibit CRC */
-#define DP_TCR_NORMAL 0x00   /* Normal transmitter operation */
-#define DP_TCR_LOCAL  0x02   /* Internal NIC loopback */
-#define DP_TCR_INLOOP 0x04   /* Full internal loopback */
-#define DP_TCR_OUTLOOP 0x08  /* External loopback */
-#define DP_TCR_ATD    0x10   /* Auto transmit disable */
-#define DP_TCR_OFFSET 0x20   /* Collision offset adjust */
-
-/* Transmit status register */
-
-#define DP_TSR_TxP    0x01   /* Packet transmitted */
-#define DP_TSR_COL    0x04   /* Collision (at least one) */
-#define DP_TSR_ABT    0x08   /* Aborted because of too many collisions */
-#define DP_TSR_CRS    0x10   /* Lost carrier */
-#define DP_TSR_FU     0x20   /* FIFO underrun */
-#define DP_TSR_CDH    0x40   /* Collision Detect Heartbeat */
-#define DP_TSR_OWC    0x80   /* Collision outside normal window */
-
-#define IEEE_8023_MAX_FRAME         1518    /* Largest possible ethernet frame */
-#define IEEE_8023_MIN_FRAME           64    /* Smallest possible ethernet frame */
+/*
+Ported to U-Boot by Christian Pellegrin <chri at ascensit.com>
+
+Based on sources from the Linux kernel (pcnet_cs.c, 8390.h) and
+eCOS(if_dp83902a.c, if_dp83902a.h). Both of these 2 wonderful world
+are GPL, so this is, of course, GPL.
+
+
+==========================================================================
+
+	dev/dp83902a.h
+
+	National Semiconductor DP83902a ethernet chip
+
+==========================================================================
+####ECOSGPLCOPYRIGHTBEGIN####
+ -------------------------------------------
+ This file is part of eCos, the Embedded Configurable Operating System.
+ Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
+
+ eCos is free software; you can redistribute it and/or modify it under
+ the terms of the GNU General Public License as published by the Free
+ Software Foundation; either version 2 or (at your option) any later version.
+
+ eCos is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with eCos; if not, write to the Free Software Foundation, Inc.,
+ 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+
+ As a special exception, if other files instantiate templates or use macros
+ or inline functions from this file, or you compile this file and link it
+ with other works to produce a work based on this file, this file does not
+ by itself cause the resulting work to be covered by the GNU General Public
+ License. However the source code for this file must still be made available
+ in accordance with section (3) of the GNU General Public License.
+
+ This exception does not invalidate any other reasons why a work based on
+ this file might be covered by the GNU General Public License.
+
+ Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
+ at http://sources.redhat.com/ecos/ecos-license/
+ -------------------------------------------
+####ECOSGPLCOPYRIGHTEND####
+####BSDCOPYRIGHTBEGIN####
+
+ -------------------------------------------
+
+ Portions of this software may have been derived from OpenBSD or other sources,
+ and are covered by the appropriate copyright disclaimers included herein.
+
+ -------------------------------------------
+
+####BSDCOPYRIGHTEND####
+==========================================================================
+#####DESCRIPTIONBEGIN####
+
+ Author(s):	gthomas
+ Contributors:	gthomas, jskov
+ Date:		2001-06-13
+ Purpose:
+ Description:
+
+####DESCRIPTIONEND####
+
+==========================================================================
+
+*/
+
+/*
+ ------------------------------------------------------------------------
+ Macros for accessing DP registers
+ These can be overridden by the platform header
+*/
+
+#ifndef __NE2000_BASE_H__
+#define __NE2000_BASE_H__
+
+#define bool int
+
+#define false 0
+#define true 1
+
+/* timeout for tx/rx in s */
+#define TOUT 5
+/* Ether MAC address size */
+#define ETHER_ADDR_LEN 6
+
+
+#define CYGHWR_NS_DP83902A_PLF_BROKEN_TX_DMA 1
+#define CYGACC_CALL_IF_DELAY_US(X) udelay(X)
+
+/* H/W infomation struct */
+typedef struct hw_info_t {
+	u32 offset;
+	u8 a0, a1, a2;
+	u32 flags;
+} hw_info_t;
+
+typedef struct dp83902a_priv_data {
+	u8* base;
+	u8* data;
+	u8* reset;
+	int tx_next;		/* First free Tx page */
+	int tx_int;		/* Expecting interrupt from this buffer */
+	int rx_next;		/* First free Rx page */
+	int tx1, tx2;		/* Page numbers for Tx buffers */
+	u32 tx1_key, tx2_key;	/* Used to ack when packet sent */
+	int tx1_len, tx2_len;
+	bool tx_started, running, hardwired_esa;
+	u8 esa[6];
+	void* plf_priv;
+
+	/* Buffer allocation */
+	int tx_buf1, tx_buf2;
+	int rx_buf_start, rx_buf_end;
+} dp83902a_priv_data_t;
+
+/*
+ * Some forward declarations
+ */
+int get_prom( u8* mac_addr);
+static void dp83902a_poll(void);
+
+/* ------------------------------------------------------------------------ */
+/* Register offsets */
+
+#define DP_CR		0x00
+#define DP_CLDA0	0x01
+#define DP_PSTART	0x01	/* write */
+#define DP_CLDA1	0x02
+#define DP_PSTOP	0x02	/* write */
+#define DP_BNDRY	0x03
+#define DP_TSR		0x04
+#define DP_TPSR		0x04	/* write */
+#define DP_NCR		0x05
+#define DP_TBCL		0x05	/* write */
+#define DP_FIFO		0x06
+#define DP_TBCH		0x06	/* write */
+#define DP_ISR		0x07
+#define DP_CRDA0	0x08
+#define DP_RSAL		0x08	/* write */
+#define DP_CRDA1	0x09
+#define DP_RSAH		0x09	/* write */
+#define DP_RBCL		0x0a	/* write */
+#define DP_RBCH		0x0b	/* write */
+#define DP_RSR		0x0c
+#define DP_RCR		0x0c	/* write */
+#define DP_FER		0x0d
+#define DP_TCR		0x0d	/* write */
+#define DP_CER		0x0e
+#define DP_DCR		0x0e	/* write */
+#define DP_MISSED	0x0f
+#define DP_IMR		0x0f	/* write */
+#define DP_DATAPORT	0x10	/* "eprom" data port */
+
+#define DP_P1_CR	0x00
+#define DP_P1_PAR0	0x01
+#define DP_P1_PAR1	0x02
+#define DP_P1_PAR2	0x03
+#define DP_P1_PAR3	0x04
+#define DP_P1_PAR4	0x05
+#define DP_P1_PAR5	0x06
+#define DP_P1_CURP	0x07
+#define DP_P1_MAR0	0x08
+#define DP_P1_MAR1	0x09
+#define DP_P1_MAR2	0x0a
+#define DP_P1_MAR3	0x0b
+#define DP_P1_MAR4	0x0c
+#define DP_P1_MAR5	0x0d
+#define DP_P1_MAR6	0x0e
+#define DP_P1_MAR7	0x0f
+
+#define DP_P2_CR	0x00
+#define DP_P2_PSTART	0x01
+#define DP_P2_CLDA0	0x01	/* write */
+#define DP_P2_PSTOP	0x02
+#define DP_P2_CLDA1	0x02	/* write */
+#define DP_P2_RNPP	0x03
+#define DP_P2_TPSR	0x04
+#define DP_P2_LNPP	0x05
+#define DP_P2_ACH	0x06
+#define DP_P2_ACL	0x07
+#define DP_P2_RCR	0x0c
+#define DP_P2_TCR	0x0d
+#define DP_P2_DCR	0x0e
+#define DP_P2_IMR	0x0f
+
+/* Command register - common to all pages */
+
+#define DP_CR_STOP	0x01	/* Stop: software reset */
+#define DP_CR_START	0x02	/* Start: initialize device */
+#define DP_CR_TXPKT	0x04	/* Transmit packet */
+#define DP_CR_RDMA	0x08	/* Read DMA (recv data from device) */
+#define DP_CR_WDMA	0x10	/* Write DMA (send data to device) */
+#define DP_CR_SEND	0x18	/* Send packet */
+#define DP_CR_NODMA	0x20	/* Remote (or no) DMA */
+#define DP_CR_PAGE0	0x00	/* Page select */
+#define DP_CR_PAGE1	0x40
+#define DP_CR_PAGE2	0x80
+#define DP_CR_PAGEMSK	0x3F	/* Used to mask out page bits */
+
+/* Data configuration register */
+
+#define DP_DCR_WTS	0x01	/* 1=16 bit word transfers */
+#define DP_DCR_BOS	0x02	/* 1=Little Endian */
+#define DP_DCR_LAS	0x04	/* 1=Single 32 bit DMA mode */
+#define DP_DCR_LS	0x08	/* 1=normal mode, 0=loopback */
+#define DP_DCR_ARM	0x10	/* 0=no send command (program I/O) */
+#define DP_DCR_FIFO_1	0x00	/* FIFO threshold */
+#define DP_DCR_FIFO_2	0x20
+#define DP_DCR_FIFO_4	0x40
+#define DP_DCR_FIFO_6	0x60
+
+#define DP_DCR_INIT	(DP_DCR_LS|DP_DCR_FIFO_4)
+
+/* Interrupt status register */
+
+#define DP_ISR_RxP	0x01	/* Packet received */
+#define DP_ISR_TxP	0x02	/* Packet transmitted */
+#define DP_ISR_RxE	0x04	/* Receive error */
+#define DP_ISR_TxE	0x08	/* Transmit error */
+#define DP_ISR_OFLW	0x10	/* Receive overflow */
+#define DP_ISR_CNT	0x20	/* Tally counters need emptying */
+#define DP_ISR_RDC	0x40	/* Remote DMA complete */
+#define DP_ISR_RESET	0x80	/* Device has reset (shutdown, error) */
+
+/* Interrupt mask register */
+
+#define DP_IMR_RxP	0x01	/* Packet received */
+#define DP_IMR_TxP	0x02	/* Packet transmitted */
+#define DP_IMR_RxE	0x04	/* Receive error */
+#define DP_IMR_TxE	0x08	/* Transmit error */
+#define DP_IMR_OFLW	0x10	/* Receive overflow */
+#define DP_IMR_CNT	0x20	/* Tall counters need emptying */
+#define DP_IMR_RDC	0x40	/* Remote DMA complete */
+
+#define DP_IMR_All	0x3F	/* Everything but remote DMA */
+
+/* Receiver control register */
+
+#define DP_RCR_SEP	0x01	/* Save bad(error) packets */
+#define DP_RCR_AR	0x02	/* Accept runt packets */
+#define DP_RCR_AB	0x04	/* Accept broadcast packets */
+#define DP_RCR_AM	0x08	/* Accept multicast packets */
+#define DP_RCR_PROM	0x10	/* Promiscuous mode */
+#define DP_RCR_MON	0x20	/* Monitor mode - 1=accept no packets */
+
+/* Receiver status register */
+
+#define DP_RSR_RxP	0x01	/* Packet received */
+#define DP_RSR_CRC	0x02	/* CRC error */
+#define DP_RSR_FRAME	0x04	/* Framing error */
+#define DP_RSR_FO	0x08	/* FIFO overrun */
+#define DP_RSR_MISS	0x10	/* Missed packet */
+#define DP_RSR_PHY	0x20	/* 0=pad match, 1=mad match */
+#define DP_RSR_DIS	0x40	/* Receiver disabled */
+#define DP_RSR_DFR	0x80	/* Receiver processing deferred */
+
+/* Transmitter control register */
+
+#define DP_TCR_NOCRC	0x01	/* 1=inhibit CRC */
+#define DP_TCR_NORMAL	0x00	/* Normal transmitter operation */
+#define DP_TCR_LOCAL	0x02	/* Internal NIC loopback */
+#define DP_TCR_INLOOP	0x04	/* Full internal loopback */
+#define DP_TCR_OUTLOOP	0x08	/* External loopback */
+#define DP_TCR_ATD	0x10	/* Auto transmit disable */
+#define DP_TCR_OFFSET	0x20	/* Collision offset adjust */
+
+/* Transmit status register */
+
+#define DP_TSR_TxP	0x01	/* Packet transmitted */
+#define DP_TSR_COL	0x04	/* Collision (at least one) */
+#define DP_TSR_ABT	0x08	/* Aborted because of too many collisions */
+#define DP_TSR_CRS	0x10	/* Lost carrier */
+#define DP_TSR_FU	0x20	/* FIFO underrun */
+#define DP_TSR_CDH	0x40	/* Collision Detect Heartbeat */
+#define DP_TSR_OWC	0x80	/* Collision outside normal window */
+
+#define IEEE_8023_MAX_FRAME	1518	/* Largest possible ethernet frame */
+#define IEEE_8023_MIN_FRAME	64	/* Smallest possible ethernet frame */
+#endif /* __NE2000_BASE_H__ */
-- 
1.5.4.5





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