diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index a949c4f..8f1f97d 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -169,26 +169,51 @@
 	help
 	  BF542 Processor Support.
 
+config BF542M
+	bool "BF542m"
+	help
+	  BF542 Processor Support.
+
 config BF544
 	bool "BF544"
 	help
 	  BF544 Processor Support.
 
+config BF544M
+	bool "BF544m"
+	help
+	  BF544 Processor Support.
+
 config BF547
 	bool "BF547"
 	help
 	  BF547 Processor Support.
 
+config BF547M
+	bool "BF547m"
+	help
+	  BF547 Processor Support.
+
 config BF548
 	bool "BF548"
 	help
 	  BF548 Processor Support.
 
+config BF548M
+	bool "BF548m"
+	help
+	  BF548 Processor Support.
+
 config BF549
 	bool "BF549"
 	help
 	  BF549 Processor Support.
 
+config BF549M
+	bool "BF549m"
+	help
+	  BF549 Processor Support.
+
 config BF561
 	bool "BF561"
 	help
@@ -224,39 +249,39 @@
 
 config BF_REV_MIN
 	int
-	default 0 if (BF51x || BF52x || BF54x)
+	default 0 if (BF51x || BF52x || (BF54x && !BF54xM))
 	default 2 if (BF537 || BF536 || BF534)
-	default 3 if (BF561 ||BF533 || BF532 || BF531)
+	default 3 if (BF561 || BF533 || BF532 || BF531 || BF54xM)
 	default 4 if (BF538 || BF539)
 
 config BF_REV_MAX
 	int
-	default 2 if (BF51x || BF52x || BF54x)
-	default 3 if (BF537 || BF536 || BF534)
+	default 2 if (BF51x || BF52x || (BF54x && !BF54xM))
+	default 3 if (BF537 || BF536 || BF534 || BF54xM)
 	default 5 if (BF561 || BF538 || BF539)
 	default 6 if (BF533 || BF532 || BF531)
 
 choice
 	prompt "Silicon Rev"
-	default BF_REV_0_1 if (BF51x || BF52x || BF54x)
+	default BF_REV_0_1 if (BF51x || BF52x || (BF54x && !BF54xM))
 	default BF_REV_0_2 if (BF534 || BF536 || BF537)
-	default BF_REV_0_3 if (BF531 || BF532 || BF533 || BF561)
+	default BF_REV_0_3 if (BF531 || BF532 || BF533 || BF54xM || BF561)
 
 config BF_REV_0_0
 	bool "0.0"
-	depends on (BF51x || BF52x || BF54x)
+	depends on (BF51x || BF52x || (BF54x && !BF54xM))
 
 config BF_REV_0_1
 	bool "0.1"
-	depends on (BF52x || BF54x)
+	depends on (BF52x || (BF54x && !BF54xM))
 
 config BF_REV_0_2
 	bool "0.2"
-	depends on (BF52x || BF537 || BF536 || BF534 || BF54x)
+	depends on (BF52x || BF537 || BF536 || BF534 || (BF54x && !BF54xM))
 
 config BF_REV_0_3
 	bool "0.3"
-	depends on (BF561 || BF537 || BF536 || BF534 || BF533 || BF532 || BF531)
+	depends on (BF54xM || BF561 || BF537 || BF536 || BF534 || BF533 || BF532 || BF531)
 
 config BF_REV_0_4
 	bool "0.4"
@@ -293,9 +318,14 @@
 	depends on (BF531 || BF532 || BF533 || BF534 || BF536 || BF537)
 	default y
 
+config BF54xM
+	bool
+	depends on (BF542M || BF544M || BF547M || BF548M || BF549M)
+	default y
+
 config BF54x
 	bool
-	depends on (BF542 || BF544 || BF547 || BF548 || BF549)
+	depends on (BF542 || BF544 || BF547 || BF548 || BF549 || BF54xM)
 	default y
 
 config MEM_GENERIC_BOARD
diff --git a/arch/blackfin/Makefile b/arch/blackfin/Makefile
index e550c8d..8dd003b 100644
--- a/arch/blackfin/Makefile
+++ b/arch/blackfin/Makefile
@@ -40,10 +40,15 @@
 machine-$(CONFIG_BF538) := bf538
 machine-$(CONFIG_BF539) := bf538
 machine-$(CONFIG_BF542) := bf548
+machine-$(CONFIG_BF542M) := bf548
 machine-$(CONFIG_BF544) := bf548
+machine-$(CONFIG_BF544M) := bf548
 machine-$(CONFIG_BF547) := bf548
+machine-$(CONFIG_BF547M) := bf548
 machine-$(CONFIG_BF548) := bf548
+machine-$(CONFIG_BF548M) := bf548
 machine-$(CONFIG_BF549) := bf548
+machine-$(CONFIG_BF549M) := bf548
 machine-$(CONFIG_BF561) := bf561
 MACHINE := $(machine-y)
 export MACHINE
@@ -67,10 +72,15 @@
 cpu-$(CONFIG_BF538) := bf538
 cpu-$(CONFIG_BF539) := bf539
 cpu-$(CONFIG_BF542) := bf542
+cpu-$(CONFIG_BF542M) := bf542m
 cpu-$(CONFIG_BF544) := bf544
+cpu-$(CONFIG_BF544M) := bf544m
 cpu-$(CONFIG_BF547) := bf547
+cpu-$(CONFIG_BF547M) := bf547m
 cpu-$(CONFIG_BF548) := bf548
+cpu-$(CONFIG_BF548M) := bf548m
 cpu-$(CONFIG_BF549) := bf549
+cpu-$(CONFIG_BF549M) := bf549m
 cpu-$(CONFIG_BF561) := bf561
 
 rev-$(CONFIG_BF_REV_0_0)  := 0.0
diff --git a/arch/blackfin/mach-bf548/include/mach/bf548.h b/arch/blackfin/mach-bf548/include/mach/bf548.h
index f0e5699..cd31f72 100644
--- a/arch/blackfin/mach-bf548/include/mach/bf548.h
+++ b/arch/blackfin/mach-bf548/include/mach/bf548.h
@@ -104,6 +104,18 @@
 
 #define AMGCTLVAL	(V_AMBEN | V_AMCKEN)
 
+#if defined(CONFIG_BF542M)
+# define CONFIG_BF542
+#elif defined(CONFIG_BF544M)
+# define CONFIG_BF544
+#elif defined(CONFIG_BF547M)
+# define CONFIG_BF547
+#elif defined(CONFIG_BF548M)
+# define CONFIG_BF548
+#elif defined(CONFIG_BF549M)
+# define CONFIG_BF549
+#endif
+
 #if defined(CONFIG_BF542)
 # define CPU   "BF542"
 # define CPUID 0x27de