X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fnet%2Fmpc5xxx_fec.c;h=1681e267243587af8e1516132ec30dea5903a507;hb=256670680b058105bb948c9f55e11db7ed949fa9;hp=f8618b1726e6761597fa326ed3fe7d674fe9603f;hpb=e1d7480b5de1fd4830bf7cf5e2237d3b0846d08d;p=u-boot

diff --git a/drivers/net/mpc5xxx_fec.c b/drivers/net/mpc5xxx_fec.c
index f8618b1726..1681e26724 100644
--- a/drivers/net/mpc5xxx_fec.c
+++ b/drivers/net/mpc5xxx_fec.c
@@ -1,5 +1,5 @@
 /*
- * (C) Copyright 2003-2005
+ * (C) Copyright 2003-2010
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
  * This file is based on mpc4200fec.c,
@@ -19,9 +19,6 @@ DECLARE_GLOBAL_DATA_PTR;
 
 /* #define DEBUG	0x28 */
 
-#if defined(CONFIG_CMD_NET) && defined(CONFIG_NET_MULTI) && \
-	defined(CONFIG_MPC5xxx_FEC)
-
 #if !(defined(CONFIG_MII) || defined(CONFIG_CMD_MII))
 #error "CONFIG_MII has to be defined!"
 #endif
@@ -31,10 +28,6 @@ static void tfifo_print(char *devname, mpc5xxx_fec_priv *fec);
 static void rfifo_print(char *devname, mpc5xxx_fec_priv *fec);
 #endif /* DEBUG */
 
-#if (DEBUG & 0x40)
-static uint32 local_crc32(char *string, unsigned int crc_value, int len);
-#endif
-
 typedef struct {
     uint8 data[1500];           /* actual data */
     int length;                 /* actual length */
@@ -45,6 +38,8 @@ typedef struct {
 int fec5xxx_miiphy_read(char *devname, uint8 phyAddr, uint8 regAddr, uint16 * retVal);
 int fec5xxx_miiphy_write(char *devname, uint8 phyAddr, uint8 regAddr, uint16 data);
 
+static int mpc5xxx_fec_init_phy(struct eth_device *dev, bd_t * bis);
+
 /********************************************************************/
 #if (DEBUG & 0x2)
 static void mpc5xxx_fec_phydump (char *devname)
@@ -252,6 +247,8 @@ static int mpc5xxx_fec_init(struct eth_device *dev, bd_t * bis)
 	printf ("mpc5xxx_fec_init... Begin\n");
 #endif
 
+	mpc5xxx_fec_init_phy(dev, bis);
+
 	/*
 	 * Initialize RxBD/TxBD rings
 	 */
@@ -284,13 +281,6 @@ static int mpc5xxx_fec_init(struct eth_device *dev, bd_t * bis)
 	}
 
 	fec->eth->x_cntrl = 0x00000000;	/* half-duplex, heartbeat disabled */
-	if (fec->xcv_type != SEVENWIRE) {
-		/*
-		 * Set MII_SPEED = (1/(mii_speed * 2)) * System Clock
-		 * and do not drop the Preamble.
-		 */
-		fec->eth->mii_speed = (((gd->ipb_clk >> 20) / 5) << 1); /* No MII for 7-wire mode */
-	}
 
 	/*
 	 * Set Opcode/Pause Duration Register
@@ -342,13 +332,11 @@ static int mpc5xxx_fec_init(struct eth_device *dev, bd_t * bis)
 	 */
 	fec->eth->xmit_fsm = 0x03000000;
 
-#if defined(CONFIG_MPC5200)
 	/*
-	 * Turn off COMM bus prefetch in the MGT5200 BestComm. It doesn't
+	 * Turn off COMM bus prefetch in the MPC5200 BestComm. It doesn't
 	 * work w/ the current receive task.
 	 */
 	 sdma->PtdCntrl |= 0x00000001;
-#endif
 
 	/*
 	 * Set priority of different initiators
@@ -397,6 +385,11 @@ static int mpc5xxx_fec_init_phy(struct eth_device *dev, bd_t * bis)
 {
 	mpc5xxx_fec_priv *fec = (mpc5xxx_fec_priv *)dev->priv;
 	const uint8 phyAddr = CONFIG_PHY_ADDR;	/* Only one PHY */
+	static int initialized = 0;
+
+	if(initialized)
+		return 0;
+	initialized = 1;
 
 #if (DEBUG & 0x1)
 	printf ("mpc5xxx_fec_init_phy... Begin\n");
@@ -580,9 +573,7 @@ static int mpc5xxx_fec_init_phy(struct eth_device *dev, bd_t * bis)
 /********************************************************************/
 static void mpc5xxx_fec_halt(struct eth_device *dev)
 {
-#if defined(CONFIG_MPC5200)
 	struct mpc5xxx_sdma *sdma = (struct mpc5xxx_sdma *)MPC5XXX_SDMA;
-#endif
 	mpc5xxx_fec_priv *fec = (mpc5xxx_fec_priv *)dev->priv;
 	int counter = 0xffff;
 
@@ -612,13 +603,11 @@ static void mpc5xxx_fec_halt(struct eth_device *dev)
 	SDMA_TASK_DISABLE (FEC_XMIT_TASK_NO);
 	SDMA_TASK_DISABLE (FEC_RECV_TASK_NO);
 
-#if defined(CONFIG_MPC5200)
 	/*
-	 * Turn on COMM bus prefetch in the MGT5200 BestComm after we're
+	 * Turn on COMM bus prefetch in the MPC5200 BestComm after we're
 	 * done. It doesn't work w/ the current receive task.
 	 */
 	 sdma->PtdCntrl &= ~0x00000001;
-#endif
 
 	/*
 	 * Disable the Ethernet Controller
@@ -643,6 +632,15 @@ static void mpc5xxx_fec_halt(struct eth_device *dev)
 	 */
 	udelay(10);
 
+	/* don't leave the MII speed set to zero */
+	if (fec->xcv_type != SEVENWIRE) {
+		/*
+		 * Set MII_SPEED = (1/(mii_speed * 2)) * System Clock
+		 * and do not drop the Preamble.
+		 */
+		fec->eth->mii_speed = (((gd->ipb_clk >> 20) / 5) << 1); /* No MII for 7-wire mode */
+	}
+
 #if (DEBUG & 0x3)
 	printf("Ethernet task stopped\n");
 #endif
@@ -891,32 +889,22 @@ int mpc5xxx_fec_initialize(bd_t * bis)
 	fec->eth = (ethernet_regs *)MPC5XXX_FEC;
 	fec->tbdBase = (FEC_TBD *)FEC_BD_BASE;
 	fec->rbdBase = (FEC_RBD *)(FEC_BD_BASE + FEC_TBD_NUM * sizeof(FEC_TBD));
-#if defined(CONFIG_CANMB)		|| \
-	defined(CONFIG_CM5200)		|| \
-	defined(CONFIG_HMI1001)		|| \
-	defined(CONFIG_ICECUBE)		|| \
-	defined(CONFIG_INKA4X0)		|| \
-	defined(CONFIG_JUPITER)		|| \
-	defined(CONFIG_MCC200)		|| \
-	defined(CONFIG_MOTIONPRO)	|| \
-	defined(CONFIG_MUCMC52)		|| \
-	defined(CONFIG_O2DNT)		|| \
-	defined(CONFIG_PM520)		|| \
-	defined(CONFIG_TOP5200)		|| \
-	defined(CONFIG_TQM5200)		|| \
-	defined(CONFIG_UC101)		|| \
-	defined(CONFIG_V38B)		|| \
-	defined(CONFIG_MUNICES)
-# ifndef CONFIG_FEC_10MBIT
+#if defined(CONFIG_MPC5xxx_FEC_MII100)
 	fec->xcv_type = MII100;
-# else
+#elif defined(CONFIG_MPC5xxx_FEC_MII10)
 	fec->xcv_type = MII10;
-# endif
-#elif defined(CONFIG_TOTAL5200)
+#elif defined(CONFIG_MPC5xxx_FEC_SEVENWIRE)
 	fec->xcv_type = SEVENWIRE;
 #else
 #error fec->xcv_type not initialized.
 #endif
+	if (fec->xcv_type != SEVENWIRE) {
+		/*
+		 * Set MII_SPEED = (1/(mii_speed * 2)) * System Clock
+		 * and do not drop the Preamble.
+		 */
+		fec->eth->mii_speed = (((gd->ipb_clk >> 20) / 5) << 1); /* No MII for 7-wire mode */
+	}
 
 	dev->priv = (void *)fec;
 	dev->iobase = MPC5XXX_FEC;
@@ -948,8 +936,6 @@ int mpc5xxx_fec_initialize(bd_t * bis)
 		mpc5xxx_fec_set_hwaddr(fec, env_enetaddr);
 	}
 
-	mpc5xxx_fec_init_phy(dev, bis);
-
 	return 1;
 }
 
@@ -1029,40 +1015,3 @@ int fec5xxx_miiphy_write(char *devname, uint8 phyAddr, uint8 regAddr, uint16 dat
 
 	return 0;
 }
-
-#if (DEBUG & 0x40)
-static uint32 local_crc32(char *string, unsigned int crc_value, int len)
-{
-	int i;
-	char c;
-	unsigned int crc, count;
-
-	/*
-	 * crc32 algorithm
-	 */
-	/*
-	 * crc = 0xffffffff; * The initialized value should be 0xffffffff
-	 */
-	crc = crc_value;
-
-	for (i = len; --i >= 0;) {
-		c = *string++;
-		for (count = 0; count < 8; count++) {
-			if ((c & 0x01) ^ (crc & 0x01)) {
-				crc >>= 1;
-				crc = crc ^ 0xedb88320;
-			} else {
-				crc >>= 1;
-			}
-			c >>= 1;
-		}
-	}
-
-	/*
-	 * In big endian system, do byte swaping for crc value
-	 */
-	 /**/ return crc;
-}
-#endif	/* DEBUG */
-
-#endif /* CONFIG_MPC5xxx_FEC */