diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index 23e637eb78da..15967e7578cd 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -738,6 +738,16 @@ void __init setup_arch(char **cmdline_p)
 
 	memory_setup();
 
+	/* Initialize Async memory banks */
+	bfin_write_EBIU_AMBCTL0(AMBCTL0VAL);
+	bfin_write_EBIU_AMBCTL1(AMBCTL1VAL);
+	bfin_write_EBIU_AMGCTL(AMGCTLVAL);
+#ifdef CONFIG_EBIU_MBSCTLVAL
+	bfin_write_EBIU_MBSCTL(CONFIG_EBIU_MBSCTLVAL);
+	bfin_write_EBIU_MODE(CONFIG_EBIU_MODEVAL);
+	bfin_write_EBIU_FCTL(CONFIG_EBIU_FCTLVAL);
+#endif
+
 	cclk = get_cclk();
 	sclk = get_sclk();
 
diff --git a/arch/blackfin/mach-bf527/head.S b/arch/blackfin/mach-bf527/head.S
index 180d3c85a4c1..9173dcecd158 100644
--- a/arch/blackfin/mach-bf527/head.S
+++ b/arch/blackfin/mach-bf527/head.S
@@ -170,28 +170,6 @@ ENTRY(__start)
 	call _start_dma_code;
 #endif
 
-	/* Code for initializing Async memory banks */
-
-	p2.h = hi(EBIU_AMBCTL1);
-	p2.l = lo(EBIU_AMBCTL1);
-	r0.h = hi(AMBCTL1VAL);
-	r0.l = lo(AMBCTL1VAL);
-	[p2] = r0;
-	ssync;
-
-	p2.h = hi(EBIU_AMBCTL0);
-	p2.l = lo(EBIU_AMBCTL0);
-	r0.h = hi(AMBCTL0VAL);
-	r0.l = lo(AMBCTL0VAL);
-	[p2] = r0;
-	ssync;
-
-	p2.h = hi(EBIU_AMGCTL);
-	p2.l = lo(EBIU_AMGCTL);
-	r0 = AMGCTLVAL;
-	w[p2] = r0;
-	ssync;
-
 	/* This section keeps the processor in supervisor mode
 	 * during kernel boot.  Switches to user mode at end of boot.
 	 * See page 3-9 of Hardware Reference manual for documentation.
diff --git a/arch/blackfin/mach-bf533/head.S b/arch/blackfin/mach-bf533/head.S
index 0ffbe7a205ba..7f0a7a0c6fd6 100644
--- a/arch/blackfin/mach-bf533/head.S
+++ b/arch/blackfin/mach-bf533/head.S
@@ -172,28 +172,6 @@ ENTRY(__start)
 	call _start_dma_code;
 #endif
 
-	/* Code for initializing Async memory banks */
-
-	p2.h = hi(EBIU_AMBCTL1);
-	p2.l = lo(EBIU_AMBCTL1);
-	r0.h = hi(AMBCTL1VAL);
-	r0.l = lo(AMBCTL1VAL);
-	[p2] = r0;
-	ssync;
-
-	p2.h = hi(EBIU_AMBCTL0);
-	p2.l = lo(EBIU_AMBCTL0);
-	r0.h = hi(AMBCTL0VAL);
-	r0.l = lo(AMBCTL0VAL);
-	[p2] = r0;
-	ssync;
-
-	p2.h = hi(EBIU_AMGCTL);
-	p2.l = lo(EBIU_AMGCTL);
-	r0 = AMGCTLVAL;
-	w[p2] = r0;
-	ssync;
-
 	/* This section keeps the processor in supervisor mode
 	 * during kernel boot.  Switches to user mode at end of boot.
 	 * See page 3-9 of Hardware Reference manual for documentation.
diff --git a/arch/blackfin/mach-bf537/head.S b/arch/blackfin/mach-bf537/head.S
index c11f0fd82255..c062acb04836 100644
--- a/arch/blackfin/mach-bf537/head.S
+++ b/arch/blackfin/mach-bf537/head.S
@@ -184,28 +184,6 @@ ENTRY(__start)
 	call _start_dma_code;
 #endif
 
-	/* Code for initializing Async memory banks */
-
-	p2.h = hi(EBIU_AMBCTL1);
-	p2.l = lo(EBIU_AMBCTL1);
-	r0.h = hi(AMBCTL1VAL);
-	r0.l = lo(AMBCTL1VAL);
-	[p2] = r0;
-	ssync;
-
-	p2.h = hi(EBIU_AMBCTL0);
-	p2.l = lo(EBIU_AMBCTL0);
-	r0.h = hi(AMBCTL0VAL);
-	r0.l = lo(AMBCTL0VAL);
-	[p2] = r0;
-	ssync;
-
-	p2.h = hi(EBIU_AMGCTL);
-	p2.l = lo(EBIU_AMGCTL);
-	r0 = AMGCTLVAL;
-	w[p2] = r0;
-	ssync;
-
 	/* This section keeps the processor in supervisor mode
 	 * during kernel boot.  Switches to user mode at end of boot.
 	 * See page 3-9 of Hardware Reference manual for documentation.
diff --git a/arch/blackfin/mach-bf548/head.S b/arch/blackfin/mach-bf548/head.S
index 96fbdb790a98..832a8d7212ac 100644
--- a/arch/blackfin/mach-bf548/head.S
+++ b/arch/blackfin/mach-bf548/head.S
@@ -133,48 +133,6 @@ ENTRY(__start)
 #ifdef CONFIG_BFIN_KERNEL_CLOCK
 	call _start_dma_code;
 #endif
-	/* Code for initializing Async memory banks */
-
-	p2.h = hi(EBIU_AMBCTL1);
-	p2.l = lo(EBIU_AMBCTL1);
-	r0.h = hi(AMBCTL1VAL);
-	r0.l = lo(AMBCTL1VAL);
-	[p2] = r0;
-	ssync;
-
-	p2.h = hi(EBIU_AMBCTL0);
-	p2.l = lo(EBIU_AMBCTL0);
-	r0.h = hi(AMBCTL0VAL);
-	r0.l = lo(AMBCTL0VAL);
-	[p2] = r0;
-	ssync;
-
-	p2.h = hi(EBIU_AMGCTL);
-	p2.l = lo(EBIU_AMGCTL);
-	r0 = AMGCTLVAL;
-	w[p2] = r0;
-	ssync;
-
-	p2.h = hi(EBIU_MBSCTL);
-	p2.l = lo(EBIU_MBSCTL);
-	r0.h = hi(CONFIG_EBIU_MBSCTLVAL);
-	r0.l = lo(CONFIG_EBIU_MBSCTLVAL);
-	[p2] = r0;
-	ssync;
-
-	p2.h = hi(EBIU_MODE);
-	p2.l = lo(EBIU_MODE);
-	r0.h = hi(CONFIG_EBIU_MODEVAL);
-	r0.l = lo(CONFIG_EBIU_MODEVAL);
-	[p2] = r0;
-	ssync;
-
-	p2.h = hi(EBIU_FCTL);
-	p2.l = lo(EBIU_FCTL);
-	r0.h = hi(CONFIG_EBIU_FCTLVAL);
-	r0.l = lo(CONFIG_EBIU_FCTLVAL);
-	[p2] = r0;
-	ssync;
 
 	/* This section keeps the processor in supervisor mode
 	 * during kernel boot.  Switches to user mode at end of boot.
diff --git a/arch/blackfin/mach-bf561/head.S b/arch/blackfin/mach-bf561/head.S
index 553b2d149d71..c541b312c25d 100644
--- a/arch/blackfin/mach-bf561/head.S
+++ b/arch/blackfin/mach-bf561/head.S
@@ -161,28 +161,6 @@ ENTRY(__start)
 	call _start_dma_code;
 #endif
 
-	/* Code for initializing Async memory banks */
-
-	p2.h = hi(EBIU_AMBCTL1);
-	p2.l = lo(EBIU_AMBCTL1);
-	r0.h = hi(AMBCTL1VAL);
-	r0.l = lo(AMBCTL1VAL);
-	[p2] = r0;
-	ssync;
-
-	p2.h = hi(EBIU_AMBCTL0);
-	p2.l = lo(EBIU_AMBCTL0);
-	r0.h = hi(AMBCTL0VAL);
-	r0.l = lo(AMBCTL0VAL);
-	[p2] = r0;
-	ssync;
-
-	p2.h = hi(EBIU_AMGCTL);
-	p2.l = lo(EBIU_AMGCTL);
-	r0 = AMGCTLVAL;
-	w[p2] = r0;
-	ssync;
-
 	/* This section keeps the processor in supervisor mode
 	 * during kernel boot.  Switches to user mode at end of boot.
 	 * See page 3-9 of Hardware Reference manual for documentation.