diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c
index 9834ba65b..977ec5bae 100644
--- a/common/cmd_nvedit.c
+++ b/common/cmd_nvedit.c
@@ -391,7 +391,10 @@ int _do_setenv (int flag, int argc, char *argv[])
 void setenv (char *varname, char *varvalue)
 {
 	char *argv[4] = { "setenv", varname, varvalue, NULL };
-	_do_setenv (0, 3, argv);
+	if (varvalue == NULL)
+		_do_setenv (0, 2, argv);
+	else
+		_do_setenv (0, 3, argv);
 }
 
 int do_setenv ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
diff --git a/common/console.c b/common/console.c
index e9f23bec1..d8a0cb6c7 100644
--- a/common/console.c
+++ b/common/console.c
@@ -494,13 +494,7 @@ int console_init_r (void)
 	/* suppress all output if splash screen is enabled and we have
 	   a bmp to display                                            */
 	if (getenv("splashimage") != NULL)
-		outputdev = search_device (DEV_FLAGS_OUTPUT, "nulldev");
-#endif
-
-#ifdef CONFIG_SILENT_CONSOLE
-	/* Suppress all output if "silent" mode requested		*/
-	if (gd->flags & GD_FLG_SILENT)
-		outputdev = search_device (DEV_FLAGS_OUTPUT, "nulldev");
+		gd->flags |= GD_FLG_SILENT;
 #endif
 
 	/* Scan devices looking for input and output devices */
diff --git a/common/main.c b/common/main.c
index cc4b50f61..0003da251 100644
--- a/common/main.c
+++ b/common/main.c
@@ -112,16 +112,8 @@ static __inline__ int abortboot(int bootdelay)
 	u_int presskey_max = 0;
 	u_int i;
 
-#ifdef CONFIG_SILENT_CONSOLE
-	if (gd->flags & GD_FLG_SILENT) {
-		/* Restore serial console */
-		console_assign (stdout, "serial");
-		console_assign (stderr, "serial");
-	}
-#endif
-
 #  ifdef CONFIG_AUTOBOOT_PROMPT
-	printf (CONFIG_AUTOBOOT_PROMPT, bootdelay);
+	printf(CONFIG_AUTOBOOT_PROMPT, bootdelay);
 #  endif
 
 #  ifdef CONFIG_AUTOBOOT_DELAY_STR
@@ -195,18 +187,12 @@ static __inline__ int abortboot(int bootdelay)
 	}
 #  if DEBUG_BOOTKEYS
 	if (!abort)
-		puts ("key timeout\n");
+		puts("key timeout\n");
 #  endif
 
 #ifdef CONFIG_SILENT_CONSOLE
-	if (abort) {
-		/* permanently enable normal console output */
-		gd->flags &= ~(GD_FLG_SILENT);
-	} else if (gd->flags & GD_FLG_SILENT) {
-		/* Restore silent console */
-		console_assign (stdout, "nulldev");
-		console_assign (stderr, "nulldev");
-	}
+	if (abort)
+		gd->flags &= ~GD_FLG_SILENT;
 #endif
 
 	return abort;
@@ -222,14 +208,6 @@ static __inline__ int abortboot(int bootdelay)
 {
 	int abort = 0;
 
-#ifdef CONFIG_SILENT_CONSOLE
-	if (gd->flags & GD_FLG_SILENT) {
-		/* Restore serial console */
-		console_assign (stdout, "serial");
-		console_assign (stderr, "serial");
-	}
-#endif
-
 #ifdef CONFIG_MENUPROMPT
 	printf(CONFIG_MENUPROMPT, bootdelay);
 #else
@@ -244,8 +222,8 @@ static __inline__ int abortboot(int bootdelay)
 	if (bootdelay >= 0) {
 		if (tstc()) {	/* we got a key press	*/
 			(void) getc();  /* consume input	*/
-			puts ("\b\b\b 0");
-			abort = 1; 	/* don't auto boot	*/
+			puts("\b\b\b 0");
+			abort = 1;	/* don't auto boot	*/
 		}
 	}
 #endif
@@ -266,23 +244,17 @@ static __inline__ int abortboot(int bootdelay)
 # endif
 				break;
 			}
-			udelay (10000);
+			udelay(10000);
 		}
 
-		printf ("\b\b\b%2d ", bootdelay);
+		printf("\b\b\b%2d ", bootdelay);
 	}
 
-	putc ('\n');
+	putc('\n');
 
 #ifdef CONFIG_SILENT_CONSOLE
-	if (abort) {
-		/* permanently enable normal console output */
-		gd->flags &= ~(GD_FLG_SILENT);
-	} else if (gd->flags & GD_FLG_SILENT) {
-		/* Restore silent console */
-		console_assign (stdout, "nulldev");
-		console_assign (stderr, "nulldev");
-	}
+	if (abort)
+		gd->flags &= ~GD_FLG_SILENT;
 #endif
 
 	return abort;
diff --git a/cpu/mpc5xxx/cpu.c b/cpu/mpc5xxx/cpu.c
index 813aa7935..1eac2bbfb 100644
--- a/cpu/mpc5xxx/cpu.c
+++ b/cpu/mpc5xxx/cpu.c
@@ -53,12 +53,16 @@ int checkcpu (void)
 #else
 	svr = get_svr();
 	pvr = get_pvr();
-	switch (SVR_VER (svr)) {
-	case SVR_MPC5200:
-		printf ("MPC5200");
+
+	switch (pvr) {
+	case PVR_5200:
+		printf("MPC5200");
+		break;
+	case PVR_5200B:
+		printf("MPC5200B");
 		break;
 	default:
-		printf ("MPC52??  (SVR %08x)", svr);
+		printf("Unknown MPC5xxx");
 		break;
 	}
 
@@ -127,5 +131,9 @@ ft_cpu_setup(void *blob, bd_t *bd)
 	p = ft_get_prop(blob, "/" OF_SOC "/ethernet@3000/mac-address", &len);
 	if (p != NULL)
 		memcpy(p, bd->bi_enetaddr, 6);
+
+	p = ft_get_prop(blob, "/" OF_SOC "/ethernet@3000/local-mac-address", &len);
+	if (p != NULL)
+		memcpy(p, bd->bi_enetaddr, 6);
 }
 #endif
diff --git a/drivers/pci_auto.c b/drivers/pci_auto.c
index 969167555..f170c2db8 100644
--- a/drivers/pci_auto.c
+++ b/drivers/pci_auto.c
@@ -34,7 +34,12 @@
 
 void pciauto_region_init(struct pci_region* res)
 {
-	res->bus_lower = res->bus_start;
+	/*
+	 * Avoid allocating PCI resources from address 0 -- this is illegal
+	 * according to PCI 2.1 and moreover, this is known to cause Linux IDE
+	 * drivers to fail. Use a reasonable starting value of 0x1000 instead.
+	 */
+	res->bus_lower = res->bus_start ? res->bus_start : 0x1000;
 }
 
 void pciauto_region_align(struct pci_region *res, unsigned long size)
diff --git a/drivers/smc91111.c b/drivers/smc91111.c
index f91e4b984..8061f1297 100644
--- a/drivers/smc91111.c
+++ b/drivers/smc91111.c
@@ -1538,9 +1538,9 @@ int eth_send(volatile void *packet, int length) {
 int smc_get_ethaddr (bd_t * bd)
 {
 	int env_size, rom_valid, env_present = 0, reg;
-	char *s = NULL, *e, *v_mac, es[] = "11:22:33:44:55:66";
+	char *s = NULL, *e, es[] = "11:22:33:44:55:66";
 	char s_env_mac[64];
-	uchar v_env_mac[6], v_rom_mac[6];
+	uchar v_env_mac[6], v_rom_mac[6], *v_mac;
 
 	env_size = getenv_r ("ethaddr", s_env_mac, sizeof (s_env_mac));
 	if ((env_size > 0) && (env_size < sizeof (es))) {	/* exit if env is bad */
@@ -1563,7 +1563,7 @@ int smc_get_ethaddr (bd_t * bd)
 
 	if (!env_present) {	/* if NO env */
 		if (rom_valid) {	/* but ROM is valid */
-			v_mac = (char *)v_rom_mac;
+			v_mac = v_rom_mac;
 			sprintf (s_env_mac, "%02X:%02X:%02X:%02X:%02X:%02X",
 				 v_mac[0], v_mac[1], v_mac[2], v_mac[3],
 				 v_mac[4], v_mac[5]);
@@ -1573,7 +1573,7 @@ int smc_get_ethaddr (bd_t * bd)
 			return (-1);
 		}
 	} else {		/* good env, don't care ROM */
-		v_mac = (char *)v_env_mac;	/* always use a good env over a ROM */
+		v_mac = v_env_mac;	/* always use a good env over a ROM */
 	}
 
 	if (env_present && rom_valid) { /* if both env and ROM are good */
diff --git a/include/asm-ppc/processor.h b/include/asm-ppc/processor.h
index e9361c517..5efc3ee2c 100644
--- a/include/asm-ppc/processor.h
+++ b/include/asm-ppc/processor.h
@@ -706,8 +706,6 @@
 #define SVR_MJREV(svr)	(((svr) >>  4) & 0x0F)   /* Major SOC design revision indicator */
 #define SVR_MNREV(svr)	(((svr) >>  0) & 0x0F)   /* Minor SOC design revision indicator */
 
-/* System-On-Chip Version Numbers (version field only) */
-#define SVR_MPC5200	0x8011
 
 /* Processor Version Register */
 
@@ -818,6 +816,12 @@
 #define PVR_8260_HIP7R1 0x80822013
 #define PVR_8260_HIP7RA	0x80822014
 
+/*
+ * MPC 52xx
+ */
+#define PVR_5200	0x80822011
+#define PVR_5200B	0x80822014
+
 
 /*
  * System Version Register