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mpc512x_fec: Move PHY initialization from probe into init routine.

PATCH Superseded Detlev Zundel 2 participants 4 messages Apr 1, 2010 – Apr 8, 2010 Network drivers

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#0 lore raw

PATCH 1/1 mpc512x_fec: Move PHY initialization from probe into init routine.

This saves the autonegotation delay when not using ethernet in U-Boot

---
 drivers/net/mpc512x_fec.c |   30 ++++++++++--------------------
 1 files changed, 10 insertions(+), 20 deletions(-)
drivers/net/mpc512x_fec.c +10 -20
index 1bb3d5d..1a34d46 100644
@@ -221,11 +221,20 @@ static void mpc512x_fec_set_hwaddr (mpc512x_fec_priv *fec, char *mac)
 static int mpc512x_fec_init (struct eth_device *dev, bd_t * bis)
 {
 	mpc512x_fec_priv *fec = (mpc512x_fec_priv *)dev->priv;
+	char env_enetaddr[6];
 
 #if (DEBUG & 0x1)
 	printf ("mpc512x_fec_init... Begin\n");
 #endif
 
+	if (eth_getenv_enetaddr("ethaddr", env_enetaddr)) {
+		mpc512x_fec_set_hwaddr (fec, env_enetaddr);
+		out_be32(&fec->eth->gaddr1, 0x00000000);
+		out_be32(&fec->eth->gaddr2, 0x00000000);
+	}
+
+	mpc512x_fec_init_phy (dev, bis);
+
 	/* Set interrupt mask register */
 	out_be32(&fec->eth->imask, 0x00000000);
 
@@ -612,7 +621,7 @@ int mpc512x_fec_initialize (bd_t * bis)
 	mpc512x_fec_priv *fec;
 	struct eth_device *dev;
 	int i;
-	char *tmp, *end, env_enetaddr[6];
+	char *tmp, *end;
 	void * bd;
 
 	fec = (mpc512x_fec_priv *) malloc (sizeof(*fec));
@@ -663,25 +672,6 @@ int mpc512x_fec_initialize (bd_t * bis)
 	 */
 	out_be32(&fec->eth->ievent, 0xffffffff);
 
-	/*
-	 * Try to set the mac address now. The fec mac address is
-	 * a garbage after reset. When not using fec for booting
-	 * the Linux fec driver will try to work with this garbage.
-	 */
-	tmp = getenv ("ethaddr");
-	if (tmp) {
-		for (i=0; i<6; i++) {
-			env_enetaddr[i] = tmp ? simple_strtoul (tmp, &end, 16) : 0;
-			if (tmp)
-				tmp = (*end) ? end+1 : end;
-		}
-		mpc512x_fec_set_hwaddr (fec, env_enetaddr);
-		out_be32(&fec->eth->gaddr1, 0x00000000);
-		out_be32(&fec->eth->gaddr2, 0x00000000);
-	}
-
-	mpc512x_fec_init_phy (dev, bis);
-
 	return 1;
 }
 
Signature · 1 line
1.6.2.5
#1 lore raw

PATCH 1/1 mpc512x_fec: Move PHY initialization from probe into init routine.

Hi Detlev,

Quoted 17 lines · Detlev Zundel

This saves the autonegotation delay when not using ethernet in U-Boot

---
  drivers/net/mpc512x_fec.c |   30 ++++++++++--------------------
  1 files changed, 10 insertions(+), 20 deletions(-)
drivers/net/mpc512x_fec.c +1 -0
index 1bb3d5d..1a34d46 100644
@@ -221,11 +221,20 @@ static void mpc512x_fec_set_hwaddr (mpc512x_fec_priv *fec, char *mac)
  static int mpc512x_fec_init (struct eth_device *dev, bd_t * bis)
  {
  	mpc512x_fec_priv *fec = (mpc512x_fec_priv *)dev->priv;
+	char env_enetaddr[6];
 

drivers/net/mpc512x_fec.c static void mpc512x_fec_set_hwaddr (mpc512x_fec_priv *fec, char *mac) · line 235

Quoted 10 lines
drivers/net/mpc512x_fec.c +5 -0
  #if (DEBUG&  0x1)
  	printf ("mpc512x_fec_init... Begin\n");
  #endif
 
+	if (eth_getenv_enetaddr("ethaddr", env_enetaddr)) {
+		mpc512x_fec_set_hwaddr (fec, env_enetaddr);
+		out_be32(&fec->eth->gaddr1, 0x00000000);
+		out_be32(&fec->eth->gaddr2, 0x00000000);
+	}
 

By the time this code is called, the common networking code has already figured out the best MAC address to use and has stuffed it into dev->enetaddr. Please use that instead.

Quoted 32 lines
drivers/net/mpc512x_fec.c +4 -13
+
+	mpc512x_fec_init_phy (dev, bis);
+
  	/* Set interrupt mask register */
  	out_be32(&fec->eth->imask, 0x00000000);
@@ -612,7 +621,7 @@ int mpc512x_fec_initialize (bd_t * bis)
  	mpc512x_fec_priv *fec;
  	struct eth_device *dev;
  	int i;
-	char *tmp, *end, env_enetaddr[6];
+	char *tmp, *end;
  	void * bd;
 
  	fec = (mpc512x_fec_priv *) malloc (sizeof(*fec));
@@ -663,25 +672,6 @@ int mpc512x_fec_initialize (bd_t * bis)
  	 */
  	out_be32(&fec->eth->ievent, 0xffffffff);
 
-	/*
-	 * Try to set the mac address now. The fec mac address is
-	 * a garbage after reset. When not using fec for booting
-	 * the Linux fec driver will try to work with this garbage.
-	 */
-	tmp = getenv ("ethaddr");
-	if (tmp) {
-		for (i=0; i<6; i++) {
-			env_enetaddr[i] = tmp ? simple_strtoul (tmp,&end, 16) : 0;
-			if (tmp)
-				tmp = (*end) ? end+1 : end;
-		}

drivers/net/mpc512x_fec.c int mpc512x_fec_initialize (bd_t * bis) · line 677

Quoted 10 lines
drivers/net/mpc512x_fec.c +0 -7
-		mpc512x_fec_set_hwaddr (fec, env_enetaddr);
-		out_be32(&fec->eth->gaddr1, 0x00000000);
-		out_be32(&fec->eth->gaddr2, 0x00000000);
-	}
-
-	mpc512x_fec_init_phy (dev, bis);
-
  	return 1;
  }
 

regards,
Ben

#2 lore raw

PATCH v2 1/1 mpc512x_fec: Move PHY initialization from probe into init routine.

This saves the autonegotation delay when not using ethernet in U-Boot

---
 drivers/net/mpc512x_fec.c |   29 +++++++----------------------
 1 files changed, 7 insertions(+), 22 deletions(-)

Changes from v1:
- Use mac address from dev structure instead of environment

drivers/net/mpc512x_fec.c +7 -22
index 1bb3d5d..33fc6c6 100644
@@ -160,7 +160,7 @@ static void mpc512x_fec_tbd_scrub (mpc512x_fec_priv *fec)
 }
 
 /********************************************************************/
-static void mpc512x_fec_set_hwaddr (mpc512x_fec_priv *fec, char *mac)
+static void mpc512x_fec_set_hwaddr (mpc512x_fec_priv *fec, unsigned char *mac)
 {
 	u8 currByte;			/* byte for which to compute the CRC */
 	int byte;			/* loop - counter */
@@ -226,6 +226,12 @@ static int mpc512x_fec_init (struct eth_device *dev, bd_t * bis)
 	printf ("mpc512x_fec_init... Begin\n");
 #endif
 
+	mpc512x_fec_set_hwaddr (fec, dev->enetaddr);
+	out_be32(&fec->eth->gaddr1, 0x00000000);
+	out_be32(&fec->eth->gaddr2, 0x00000000);
+
+	mpc512x_fec_init_phy (dev, bis);
+
 	/* Set interrupt mask register */
 	out_be32(&fec->eth->imask, 0x00000000);
 
@@ -611,8 +617,6 @@ int mpc512x_fec_initialize (bd_t * bis)
 	volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
 	mpc512x_fec_priv *fec;
 	struct eth_device *dev;
-	int i;
-	char *tmp, *end, env_enetaddr[6];
 	void * bd;
 
 	fec = (mpc512x_fec_priv *) malloc (sizeof(*fec));
@@ -663,25 +667,6 @@ int mpc512x_fec_initialize (bd_t * bis)
 	 */
 	out_be32(&fec->eth->ievent, 0xffffffff);
 
-	/*
-	 * Try to set the mac address now. The fec mac address is
-	 * a garbage after reset. When not using fec for booting
-	 * the Linux fec driver will try to work with this garbage.
-	 */
-	tmp = getenv ("ethaddr");
-	if (tmp) {
-		for (i=0; i<6; i++) {
-			env_enetaddr[i] = tmp ? simple_strtoul (tmp, &end, 16) : 0;
-			if (tmp)
-				tmp = (*end) ? end+1 : end;
-		}
-		mpc512x_fec_set_hwaddr (fec, env_enetaddr);
-		out_be32(&fec->eth->gaddr1, 0x00000000);
-		out_be32(&fec->eth->gaddr2, 0x00000000);
-	}
-
-	mpc512x_fec_init_phy (dev, bis);
-
 	return 1;
 }
 
Signature · 1 line
1.6.2.5
Applied
#3 lore raw

PATCH v2 1/1 mpc512x_fec: Move PHY initialization from probe into init routine.

Hi Detlev,

Quoted 11 lines · Detlev Zundel

This saves the autonegotation delay when not using ethernet in U-Boot

---
  drivers/net/mpc512x_fec.c |   29 +++++++----------------------
  1 files changed, 7 insertions(+), 22 deletions(-)

Changes from v1:
- Use mac address from dev structure instead of environment

Applied to net repo.

thanks,
Ben