diff --git a/cpu/blackfin/Makefile b/cpu/blackfin/Makefile
index 1378fd12bbe9b9292ee22a250070aaf49542c3af..5eef6a3063aa99d271be1a34414c90d13a4b26db 100644
--- a/cpu/blackfin/Makefile
+++ b/cpu/blackfin/Makefile
@@ -17,8 +17,14 @@ EXTRA    :=
 CEXTRA   := initcode.o
 SEXTRA   := start.o
 SOBJS    := interrupt.o cache.o
-COBJS-y  := cpu.o traps.o interrupts.o reset.o serial.o watchdog.o
+COBJS-y  += cpu.o
+COBJS-y  += interrupts.o
 COBJS-$(CONFIG_JTAG_CONSOLE) += jtag-console.o
+COBJS-y  += os_log.o
+COBJS-y  += reset.o
+COBJS-y  += serial.o
+COBJS-y  += traps.o
+COBJS-y  += watchdog.o
 
 ifeq ($(CONFIG_BFIN_BOOT_MODE),BFIN_BOOT_BYPASS)
 COBJS-y  += initcode.o
diff --git a/cpu/blackfin/os_log.c b/cpu/blackfin/os_log.c
new file mode 100644
index 0000000000000000000000000000000000000000..e1c8e2948dede6feeb6c7dd7cc73f5e46a1ac808
--- /dev/null
+++ b/cpu/blackfin/os_log.c
@@ -0,0 +1,30 @@
+/*
+ * functions for handling OS log buffer
+ *
+ * Copyright (c) 2009 Analog Devices Inc.
+ *
+ * Licensed under the 2-clause BSD.
+ */
+
+#include <common.h>
+
+#define OS_LOG_MAGIC       0xDEADBEEF
+#define OS_LOG_MAGIC_ADDR  ((unsigned long *)0x4f0)
+#define OS_LOG_PTR_ADDR    ((char **)0x4f4)
+
+bool bfin_os_log_check(void)
+{
+	if (*OS_LOG_MAGIC_ADDR != OS_LOG_MAGIC)
+		return false;
+	*OS_LOG_MAGIC_ADDR = 0;
+	return true;
+}
+
+void bfin_os_log_dump(void)
+{
+	char *log = *OS_LOG_PTR_ADDR;
+	while (*log) {
+		puts(log);
+		log += strlen(log) + 1;
+	}
+}
diff --git a/include/asm-blackfin/blackfin_local.h b/include/asm-blackfin/blackfin_local.h
index e17d8a2003b2c3cb351248a3d8bec5e108be7185..8ec79289456782c1d213e70027043dd71eb11feb 100644
--- a/include/asm-blackfin/blackfin_local.h
+++ b/include/asm-blackfin/blackfin_local.h
@@ -61,6 +61,9 @@ extern u_long get_sclk(void);
 
 # define bfin_revid() (*pCHIPID >> 28)
 
+extern bool bfin_os_log_check(void);
+extern void bfin_os_log_dump(void);
+
 extern void blackfin_icache_flush_range(const void *, const void *);
 extern void blackfin_dcache_flush_range(const void *, const void *);
 extern void blackfin_icache_dcache_flush_range(const void *, const void *);
diff --git a/include/configs/bf533-stamp.h b/include/configs/bf533-stamp.h
index c03561cef14a8edc84ed6f932c3832ec35799974..4be2a5cfb8cf156d5620363a5fa7c7356e3425d5 100644
--- a/include/configs/bf533-stamp.h
+++ b/include/configs/bf533-stamp.h
@@ -36,7 +36,7 @@
 #define CONFIG_CCLK_DIV			1
 /* SCLK_DIV controls the system clock divider				*/
 /* Values can range from 1-15						*/
-#define CONFIG_SCLK_DIV			5
+#define CONFIG_SCLK_DIV			6 /* note: 1.2 boards can go faster */
 
 
 /*
diff --git a/include/configs/bf537-minotaur.h b/include/configs/bf537-minotaur.h
index 23c2d33bc0be53186fa68b152112563f68d861ee..463b7d08ccdfda5a2168baea672c705950203035 100644
--- a/include/configs/bf537-minotaur.h
+++ b/include/configs/bf537-minotaur.h
@@ -87,9 +87,8 @@
 
 #define CONFIG_SYS_AUTOLOAD	"no"
 #define CONFIG_ROOTPATH		/romfs
-/* Use a fixed MAC address for booting up. Firstboot linux
- * must fetch a valid MAC from the production server. */
-#define CONFIG_ETHADDR	02:80:ad:20:31:42
+/* Uncomment next line to use fixed MAC address */
+/* #define CONFIG_ETHADDR	02:80:ad:20:31:42 */
 
 
 /*
diff --git a/include/configs/bf537-srv1.h b/include/configs/bf537-srv1.h
index 727b7e70e64b9fe4982c05eb1049c1d51828cfa0..7368629981d037132bdcb5dc9e29ee75e72dbcec 100644
--- a/include/configs/bf537-srv1.h
+++ b/include/configs/bf537-srv1.h
@@ -87,9 +87,8 @@
 
 #define CONFIG_SYS_AUTOLOAD	"no"
 #define CONFIG_ROOTPATH		/romfs
-/* Use a fixed MAC address for booting up. Firstboot linux
- * must fetch a valid MAC from the production server. */
-#define CONFIG_ETHADDR	02:80:ad:20:31:42
+/* Uncomment next line to use fixed MAC address */
+/* #define CONFIG_ETHADDR	02:80:ad:20:31:42 */
 
 
 /*
diff --git a/lib_blackfin/board.c b/lib_blackfin/board.c
index 28de372b78f3305509b0fb7de9242bc6fb5b7790..b957a9d8b9a62bf8bb94b13e77207d481aed62a6 100644
--- a/lib_blackfin/board.c
+++ b/lib_blackfin/board.c
@@ -384,6 +384,12 @@ void board_init_r(gd_t * id, ulong dest_addr)
 		post_run(NULL, POST_RAM | post_bootmode_get(0));
 #endif
 
+	if (bfin_os_log_check()) {
+		puts("\nLog buffer from operating system:\n");
+		bfin_os_log_dump();
+		puts("\n");
+	}
+
 	/* main_loop() can return to retry autoboot, if so just run it again. */
 	for (;;)
 		main_loop();