* Cleanup lowboot code for MPC5200

* Minor code cleanup (coding style)

* Patch by Reinhard Meyer, 30 Dec 2003:
  - cpu/mpc5xxx/fec.c: added CONFIG_PHY_ADDR, added CONFIG_PHY_TYPE,
  - added CONFIG_PHY_ADDR to include/configs/IceCube.h,
  - turned debug print of PHY registers into a function (called in two places)
  - added support for EMK MPC5200 based modules

* Fix MPC8xx PLPRCR_MFD_SHIFT typo

* Add support for TQM866M modules

* Fixes for TQM855M with 4 MB flash (Am29DL163 = _no_ mirror bit flash)

* Fix a few compiler warnings

1 files changed, 75 insertions, 79 deletions

diff --git a/cpu/coldfire/fec.c b/cpu/coldfire/fec.c
index 53a93c1..5062741 100644
--- a/cpu/coldfire/fec.c
+++ b/cpu/coldfire/fec.c
@@ -27,7 +27,6 @@
 #include <command.h>
 
 
-
 /**************************************************************
  *
  * FEC Ethernet Initialization Routine
@@ -50,18 +49,14 @@
 #define	FEC_RESET_DELAY		50000
 
 
-
 /* Ethernet Transmit and Receive Buffers */
 #define DBUF_LENGTH  1520
-
 #define TX_BUF_CNT 2
-
 #define TOUT_LOOP 100
 
-#define PKT_MAXBUF_SIZE         1518
-#define PKT_MINBUF_SIZE         64
-#define PKT_MAXBLR_SIZE         1520
-
+#define PKT_MAXBUF_SIZE		1518
+#define PKT_MINBUF_SIZE		64
+#define PKT_MAXBLR_SIZE		1520
 
 
 #ifdef CONFIG_M5272
@@ -76,11 +71,10 @@
 #if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(FEC_ENET)
 
 
-
 static char txbuf[DBUF_LENGTH];
 
-static uint rxIdx;	/* index of the current RX buffer */
-static uint txIdx;	/* index of the current TX buffer */
+static uint rxIdx;		/* index of the current RX buffer */
+static uint txIdx;		/* index of the current TX buffer */
 
 /*
   * FEC Ethernet Tx and Rx buffer descriptors allocated at the
@@ -89,14 +83,14 @@ static uint txIdx;	/* index of the current TX buffer */
   */
 
 typedef volatile struct CommonBufferDescriptor {
-    cbd_t rxbd[PKTBUFSRX];		/* Rx BD */
-    cbd_t txbd[TX_BUF_CNT];		/* Tx BD */
+	cbd_t rxbd[PKTBUFSRX];	/* Rx BD */
+	cbd_t txbd[TX_BUF_CNT];	/* Tx BD */
 } RTXBD;
 
 static RTXBD *rtx = 0x380000;
 
 
-int eth_send(volatile void *packet, int length)
+int eth_send (volatile void *packet, int length)
 {
 	int j, rc;
 	volatile fec_t *fecp = FEC_ADDR;
@@ -105,35 +99,37 @@ int eth_send(volatile void *packet, int length)
 	 * Wait for ready
 	 */
 	j = 0;
-	while ((rtx->txbd[txIdx].cbd_sc & BD_ENET_TX_READY) && (j<TOUT_LOOP)) {
-		udelay(1);
+	while ((rtx->txbd[txIdx].cbd_sc & BD_ENET_TX_READY)
+	       && (j < TOUT_LOOP)) {
+		udelay (1);
 		j++;
 	}
-	if (j>=TOUT_LOOP) {
-		printf("TX not ready\n");
+	if (j >= TOUT_LOOP) {
+		printf ("TX not ready\n");
 	}
 
-	rtx->txbd[txIdx].cbd_bufaddr = (uint)packet;
-	rtx->txbd[txIdx].cbd_datlen  = length;
+	rtx->txbd[txIdx].cbd_bufaddr = (uint) packet;
+	rtx->txbd[txIdx].cbd_datlen = length;
 	rtx->txbd[txIdx].cbd_sc |= BD_ENET_TX_READY | BD_ENET_TX_LAST;
 
 	/* Activate transmit Buffer Descriptor polling */
-	fecp->fec_x_des_active = 0x01000000;	/* Descriptor polling active	*/
+	fecp->fec_x_des_active = 0x01000000;	/* Descriptor polling active    */
 
 	j = 0;
-	while ((rtx->txbd[txIdx].cbd_sc & BD_ENET_TX_READY) && (j<TOUT_LOOP)) {
-		udelay(1);
+	while ((rtx->txbd[txIdx].cbd_sc & BD_ENET_TX_READY)
+	       && (j < TOUT_LOOP)) {
+		udelay (1);
 		j++;
 	}
-	if (j>=TOUT_LOOP) {
-		printf("TX timeout\n");
+	if (j >= TOUT_LOOP) {
+		printf ("TX timeout\n");
 	}
 #ifdef ET_DEBUG
-	printf("%s[%d] %s: cycles: %d    status: %x  retry cnt: %d\n",
-	__FILE__,__LINE__,__FUNCTION__,j,rtx->txbd[txIdx].cbd_sc,
-	(rtx->txbd[txIdx].cbd_sc & 0x003C)>>2);
+	printf ("%s[%d] %s: cycles: %d    status: %x  retry cnt: %d\n",
+		__FILE__, __LINE__, __FUNCTION__, j, rtx->txbd[txIdx].cbd_sc,
+		(rtx->txbd[txIdx].cbd_sc & 0x003C) >> 2);
 #endif
-	/* return only status bits */;
+	/* return only status bits */ ;
 	rc = (rtx->txbd[txIdx].cbd_sc & BD_ENET_TX_STATS);
 
 	txIdx = (txIdx + 1) % TX_BUF_CNT;
@@ -141,48 +137,49 @@ int eth_send(volatile void *packet, int length)
 	return rc;
 }
 
-int eth_rx(void)
+int eth_rx (void)
 {
 	int length;
 	volatile fec_t *fecp = FEC_ADDR;
 
-   for (;;)
-   {     
-	/* section 16.9.23.2 */
-	if (rtx->rxbd[rxIdx].cbd_sc & BD_ENET_RX_EMPTY) {
-		length = -1;
-		break;     /* nothing received - leave for() loop */
-	}
+	for (;;) {
+		/* section 16.9.23.2 */
+		if (rtx->rxbd[rxIdx].cbd_sc & BD_ENET_RX_EMPTY) {
+			length = -1;
+			break;	/* nothing received - leave for() loop */
+		}
 
-	length = rtx->rxbd[rxIdx].cbd_datlen;
+		length = rtx->rxbd[rxIdx].cbd_datlen;
 
-	if (rtx->rxbd[rxIdx].cbd_sc & 0x003f) {
+		if (rtx->rxbd[rxIdx].cbd_sc & 0x003f) {
 #ifdef ET_DEBUG
-		printf("%s[%d] err: %x\n",
-		__FUNCTION__,__LINE__,rtx->rxbd[rxIdx].cbd_sc);
+			printf ("%s[%d] err: %x\n",
+				__FUNCTION__, __LINE__,
+				rtx->rxbd[rxIdx].cbd_sc);
 #endif
-	} else {
-		/* Pass the packet up to the protocol layers. */
-		NetReceive(NetRxPackets[rxIdx], length - 4);
+		} else {
+			/* Pass the packet up to the protocol layers. */
+			NetReceive (NetRxPackets[rxIdx], length - 4);
+		}
+
+		/* Give the buffer back to the FEC. */
+		rtx->rxbd[rxIdx].cbd_datlen = 0;
+
+		/* wrap around buffer index when necessary */
+		if ((rxIdx + 1) >= PKTBUFSRX) {
+			rtx->rxbd[PKTBUFSRX - 1].cbd_sc =
+				(BD_ENET_RX_WRAP | BD_ENET_RX_EMPTY);
+			rxIdx = 0;
+		} else {
+			rtx->rxbd[rxIdx].cbd_sc = BD_ENET_RX_EMPTY;
+			rxIdx++;
+		}
+
+		/* Try to fill Buffer Descriptors */
+		fecp->fec_r_des_active = 0x01000000;	/* Descriptor polling active    */
 	}
 
-	/* Give the buffer back to the FEC. */
-	rtx->rxbd[rxIdx].cbd_datlen = 0;
-
-	/* wrap around buffer index when necessary */
-	if ((rxIdx + 1) >= PKTBUFSRX) {
-           rtx->rxbd[PKTBUFSRX - 1].cbd_sc = (BD_ENET_RX_WRAP | BD_ENET_RX_EMPTY);
-	   rxIdx = 0;
-	} else {
-           rtx->rxbd[rxIdx].cbd_sc = BD_ENET_RX_EMPTY;
-	   rxIdx++;
-	}
-	
-	/* Try to fill Buffer Descriptors */
-	fecp->fec_r_des_active = 0x01000000;	/* Descriptor polling active	*/
-   }
-
-   return length;
+	return length;
 }
 
 
@@ -191,7 +188,7 @@ int eth_init (bd_t * bd)
 
 	int i;
 	volatile fec_t *fecp = FEC_ADDR;
-	
+
 	/* Whack a reset.
 	 * A delay is required between a reset of the FEC block and
 	 * initialization of other FEC registers because the reset takes
@@ -214,21 +211,21 @@ int eth_init (bd_t * bd)
 	/* We use strictly polling mode only
 	 */
 	fecp->fec_imask = 0;
-	
+
 	/* Clear any pending interrupt */
 	fecp->fec_ievent = 0xffffffff;
-	
-	/* Set station address	 */
+
+	/* Set station address   */
 #define ea bd->bi_enetaddr
-	fecp->fec_addr_low   =	(ea[0] << 24) | (ea[1] << 16) |
-				(ea[2] <<  8) | (ea[3]        ) ;
-	fecp->fec_addr_high  =	(ea[4] << 24) | (ea[5] << 16  ) ;
+	fecp->fec_addr_low = (ea[0] << 24) | (ea[1] << 16) |
+		(ea[2] << 8) | (ea[3]);
+	fecp->fec_addr_high = (ea[4] << 24) | (ea[5] << 16);
 #undef ea
 
 	/* Clear multicast address hash table
 	 */
 	fecp->fec_hash_table_high = 0;
-	fecp->fec_hash_table_low  = 0;
+	fecp->fec_hash_table_low = 0;
 
 	/* Set maximum receive buffer size.
 	 */
@@ -246,8 +243,8 @@ int eth_init (bd_t * bd)
 	 *     Empty, Wrap
 	 */
 	for (i = 0; i < PKTBUFSRX; i++) {
-		rtx->rxbd[i].cbd_sc      = BD_ENET_RX_EMPTY;
-		rtx->rxbd[i].cbd_datlen  = 0;	/* Reset */
+		rtx->rxbd[i].cbd_sc = BD_ENET_RX_EMPTY;
+		rtx->rxbd[i].cbd_datlen = 0;	/* Reset */
 		rtx->rxbd[i].cbd_bufaddr = (uint) NetRxPackets[i];
 	}
 	rtx->rxbd[PKTBUFSRX - 1].cbd_sc |= BD_ENET_RX_WRAP;
@@ -258,8 +255,8 @@ int eth_init (bd_t * bd)
 	 *    Last, Tx CRC
 	 */
 	for (i = 0; i < TX_BUF_CNT; i++) {
-	        rtx->txbd[i].cbd_sc      = BD_ENET_TX_LAST | BD_ENET_TX_TC;
-		rtx->txbd[i].cbd_datlen  = 0;	/* Reset */
+		rtx->txbd[i].cbd_sc = BD_ENET_TX_LAST | BD_ENET_TX_TC;
+		rtx->txbd[i].cbd_datlen = 0;	/* Reset */
 		rtx->txbd[i].cbd_bufaddr = (uint) (&txbuf[0]);
 	}
 	rtx->txbd[TX_BUF_CNT - 1].cbd_sc |= BD_ENET_TX_WRAP;
@@ -273,8 +270,8 @@ int eth_init (bd_t * bd)
 	 */
 
 	/* Half duplex mode */
-	fecp->fec_r_cntrl = (PKT_MAXBUF_SIZE<<16) | FEC_RCNTRL_MII_MODE;
-	fecp->fec_r_cntrl = (PKT_MAXBUF_SIZE<<16) | FEC_RCNTRL_MII_MODE;
+	fecp->fec_r_cntrl = (PKT_MAXBUF_SIZE << 16) | FEC_RCNTRL_MII_MODE;
+	fecp->fec_r_cntrl = (PKT_MAXBUF_SIZE << 16) | FEC_RCNTRL_MII_MODE;
 	fecp->fec_x_cntrl = 0;
 
 	fecp->fec_mii_speed = 0;
@@ -284,17 +281,16 @@ int eth_init (bd_t * bd)
 	fecp->fec_ecntrl = FEC_ECNTRL_ETHER_EN;
 
 	/* And last, try to fill Rx Buffer Descriptors */
-	fecp->fec_r_des_active = 0x01000000;	/* Descriptor polling active	*/
+	fecp->fec_r_des_active = 0x01000000;	/* Descriptor polling active    */
 
 	return 1;
 }
 
 
-
-void eth_halt(void)
+void eth_halt (void)
 {
 	volatile fec_t *fecp = FEC_ADDR;
+
 	fecp->fec_ecntrl = 0;
 }
-
 #endif