diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index 96966231920c..bf57e8b1c9d0 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -2,7 +2,7 @@
 # Makefile for the linux kernel.
 #
 
-obj-y		:= irq.o gpio.o
+obj-y		:= irq.o gpio.o setup.o
 obj-m		:=
 obj-n		:=
 obj-		:=
diff --git a/arch/arm/mach-at91/at91cap9.c b/arch/arm/mach-at91/at91cap9.c
index f1013d08bb57..bfc684441ef8 100644
--- a/arch/arm/mach-at91/at91cap9.c
+++ b/arch/arm/mach-at91/at91cap9.c
@@ -25,23 +25,10 @@
 #include <mach/at91_rstc.h>
 #include <mach/at91_shdwc.h>
 
+#include "soc.h"
 #include "generic.h"
 #include "clock.h"
 
-static struct map_desc at91cap9_io_desc[] __initdata = {
-	{
-		.virtual	= AT91_VA_BASE_SYS,
-		.pfn		= __phys_to_pfn(AT91_BASE_SYS),
-		.length		= SZ_16K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= AT91_IO_VIRT_BASE - AT91CAP9_SRAM_SIZE,
-		.pfn		= __phys_to_pfn(AT91CAP9_SRAM_BASE),
-		.length		= AT91CAP9_SRAM_SIZE,
-		.type		= MT_DEVICE,
-	},
-};
-
 /* --------------------------------------------------------------------
  *  Clocks
  * -------------------------------------------------------------------- */
@@ -339,24 +326,17 @@ static void at91cap9_poweroff(void)
  *  AT91CAP9 processor initialization
  * -------------------------------------------------------------------- */
 
-void __init at91cap9_map_io(void)
+static void __init at91cap9_map_io(void)
 {
-	/* Map peripherals */
-	iotable_init(at91cap9_io_desc, ARRAY_SIZE(at91cap9_io_desc));
+	at91_init_sram(0, AT91CAP9_SRAM_BASE, AT91CAP9_SRAM_SIZE);
 }
 
-void __init at91cap9_initialize(unsigned long main_clock)
+static void __init at91cap9_initialize(void)
 {
 	at91_arch_reset = at91cap9_reset;
 	pm_power_off = at91cap9_poweroff;
 	at91_extern_irq = (1 << AT91CAP9_ID_IRQ0) | (1 << AT91CAP9_ID_IRQ1);
 
-	/* Init clock subsystem */
-	at91_clock_init(main_clock);
-
-	/* Register the processor-specific clocks */
-	at91cap9_register_clocks();
-
 	/* Register GPIO subsystem */
 	at91_gpio_init(at91cap9_gpio, 4);
 
@@ -409,14 +389,9 @@ static unsigned int at91cap9_default_irq_priority[NR_AIC_IRQS] __initdata = {
 	0,	/* Advanced Interrupt Controller (IRQ1) */
 };
 
-void __init at91cap9_init_interrupts(unsigned int priority[NR_AIC_IRQS])
-{
-	if (!priority)
-		priority = at91cap9_default_irq_priority;
-
-	/* Initialize the AIC interrupt controller */
-	at91_aic_init(priority);
-
-	/* Enable GPIO interrupts */
-	at91_gpio_irq_setup();
-}
+struct at91_init_soc __initdata at91cap9_soc = {
+	.map_io = at91cap9_map_io,
+	.default_irq_priority = at91cap9_default_irq_priority,
+	.register_clocks = at91cap9_register_clocks,
+	.init = at91cap9_initialize,
+};
diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c
index 83a1a3fee554..f73302dbc6a5 100644
--- a/arch/arm/mach-at91/at91rm9200.c
+++ b/arch/arm/mach-at91/at91rm9200.c
@@ -20,25 +20,16 @@
 #include <mach/at91_st.h>
 #include <mach/cpu.h>
 
+#include "soc.h"
 #include "generic.h"
 #include "clock.h"
 
 static struct map_desc at91rm9200_io_desc[] __initdata = {
 	{
-		.virtual	= AT91_VA_BASE_SYS,
-		.pfn		= __phys_to_pfn(AT91_BASE_SYS),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
 		.virtual	= AT91_VA_BASE_EMAC,
 		.pfn		= __phys_to_pfn(AT91RM9200_BASE_EMAC),
 		.length		= SZ_16K,
 		.type		= MT_DEVICE,
-	}, {
-		.virtual	= AT91_IO_VIRT_BASE - AT91RM9200_SRAM_SIZE,
-		.pfn		= __phys_to_pfn(AT91RM9200_SRAM_BASE),
-		.length		= AT91RM9200_SRAM_SIZE,
-		.type		= MT_DEVICE,
 	},
 };
 
@@ -304,24 +295,17 @@ static void at91rm9200_reset(void)
 	at91_sys_write(AT91_ST_CR, AT91_ST_WDRST);
 }
 
-int rm9200_type;
-EXPORT_SYMBOL(rm9200_type);
-
-void __init at91rm9200_set_type(int type)
-{
-	rm9200_type = type;
-}
-
 /* --------------------------------------------------------------------
  *  AT91RM9200 processor initialization
  * -------------------------------------------------------------------- */
-void __init at91rm9200_map_io(void)
+static void __init at91rm9200_map_io(void)
 {
 	/* Map peripherals */
+	at91_init_sram(0, AT91RM9200_SRAM_BASE, AT91RM9200_SRAM_SIZE);
 	iotable_init(at91rm9200_io_desc, ARRAY_SIZE(at91rm9200_io_desc));
 }
 
-void __init at91rm9200_initialize(unsigned long main_clock)
+static void __init at91rm9200_initialize(void)
 {
 	at91_arch_reset = at91rm9200_reset;
 	at91_extern_irq = (1 << AT91RM9200_ID_IRQ0) | (1 << AT91RM9200_ID_IRQ1)
@@ -329,12 +313,6 @@ void __init at91rm9200_initialize(unsigned long main_clock)
 			| (1 << AT91RM9200_ID_IRQ4) | (1 << AT91RM9200_ID_IRQ5)
 			| (1 << AT91RM9200_ID_IRQ6);
 
-	/* Init clock subsystem */
-	at91_clock_init(main_clock);
-
-	/* Register the processor-specific clocks */
-	at91rm9200_register_clocks();
-
 	/* Initialize GPIO subsystem */
 	at91_gpio_init(at91rm9200_gpio,
 		cpu_is_at91rm9200_bga() ? AT91RM9200_BGA : AT91RM9200_PQFP);
@@ -383,14 +361,9 @@ static unsigned int at91rm9200_default_irq_priority[NR_AIC_IRQS] __initdata = {
 	0	/* Advanced Interrupt Controller (IRQ6) */
 };
 
-void __init at91rm9200_init_interrupts(unsigned int priority[NR_AIC_IRQS])
-{
-	if (!priority)
-		priority = at91rm9200_default_irq_priority;
-
-	/* Initialize the AIC interrupt controller */
-	at91_aic_init(priority);
-
-	/* Enable GPIO interrupts */
-	at91_gpio_irq_setup();
-}
+struct at91_init_soc __initdata at91rm9200_soc = {
+	.map_io = at91rm9200_map_io,
+	.default_irq_priority = at91rm9200_default_irq_priority,
+	.register_clocks = at91rm9200_register_clocks,
+	.init = at91rm9200_initialize,
+};
diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c
index 7d606b04d313..cb397be14448 100644
--- a/arch/arm/mach-at91/at91sam9260.c
+++ b/arch/arm/mach-at91/at91sam9260.c
@@ -17,58 +17,16 @@
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 #include <mach/cpu.h>
+#include <mach/at91_dbgu.h>
 #include <mach/at91sam9260.h>
 #include <mach/at91_pmc.h>
 #include <mach/at91_rstc.h>
 #include <mach/at91_shdwc.h>
 
+#include "soc.h"
 #include "generic.h"
 #include "clock.h"
 
-static struct map_desc at91sam9260_io_desc[] __initdata = {
-	{
-		.virtual	= AT91_VA_BASE_SYS,
-		.pfn		= __phys_to_pfn(AT91_BASE_SYS),
-		.length		= SZ_16K,
-		.type		= MT_DEVICE,
-	}
-};
-
-static struct map_desc at91sam9260_sram_desc[] __initdata = {
-	{
-		.virtual	= AT91_IO_VIRT_BASE - AT91SAM9260_SRAM0_SIZE,
-		.pfn		= __phys_to_pfn(AT91SAM9260_SRAM0_BASE),
-		.length		= AT91SAM9260_SRAM0_SIZE,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= AT91_IO_VIRT_BASE - AT91SAM9260_SRAM0_SIZE - AT91SAM9260_SRAM1_SIZE,
-		.pfn		= __phys_to_pfn(AT91SAM9260_SRAM1_BASE),
-		.length		= AT91SAM9260_SRAM1_SIZE,
-		.type		= MT_DEVICE,
-	}
-};
-
-static struct map_desc at91sam9g20_sram_desc[] __initdata = {
-	{
-		.virtual	= AT91_IO_VIRT_BASE - AT91SAM9G20_SRAM0_SIZE,
-		.pfn		= __phys_to_pfn(AT91SAM9G20_SRAM0_BASE),
-		.length		= AT91SAM9G20_SRAM0_SIZE,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= AT91_IO_VIRT_BASE - AT91SAM9G20_SRAM0_SIZE - AT91SAM9G20_SRAM1_SIZE,
-		.pfn		= __phys_to_pfn(AT91SAM9G20_SRAM1_BASE),
-		.length		= AT91SAM9G20_SRAM1_SIZE,
-		.type		= MT_DEVICE,
-	}
-};
-
-static struct map_desc at91sam9xe_sram_desc[] __initdata = {
-	{
-		.pfn		= __phys_to_pfn(AT91SAM9XE_SRAM_BASE),
-		.type		= MT_DEVICE,
-	}
-};
-
 /* --------------------------------------------------------------------
  *  Clocks
  * -------------------------------------------------------------------- */
@@ -330,11 +288,9 @@ static void at91sam9260_poweroff(void)
 
 static void __init at91sam9xe_map_io(void)
 {
-	unsigned long cidr, sram_size;
+	unsigned long sram_size;
 
-	cidr = at91_sys_read(AT91_DBGU_CIDR);
-
-	switch (cidr & AT91_CIDR_SRAMSIZ) {
+	switch (at91_soc_initdata.cidr & AT91_CIDR_SRAMSIZ) {
 		case AT91_CIDR_SRAMSIZ_32K:
 			sram_size = 2 * SZ_16K;
 			break;
@@ -343,38 +299,29 @@ static void __init at91sam9xe_map_io(void)
 			sram_size = SZ_16K;
 	}
 
-	at91sam9xe_sram_desc->virtual = AT91_IO_VIRT_BASE - sram_size;
-	at91sam9xe_sram_desc->length = sram_size;
-
-	iotable_init(at91sam9xe_sram_desc, ARRAY_SIZE(at91sam9xe_sram_desc));
+	at91_init_sram(0, AT91SAM9XE_SRAM_BASE, sram_size);
 }
 
-void __init at91sam9260_map_io(void)
+static void __init at91sam9260_map_io(void)
 {
-	/* Map peripherals */
-	iotable_init(at91sam9260_io_desc, ARRAY_SIZE(at91sam9260_io_desc));
-
-	if (cpu_is_at91sam9xe())
+	if (cpu_is_at91sam9xe()) {
 		at91sam9xe_map_io();
-	else if (cpu_is_at91sam9g20())
-		iotable_init(at91sam9g20_sram_desc, ARRAY_SIZE(at91sam9g20_sram_desc));
-	else
-		iotable_init(at91sam9260_sram_desc, ARRAY_SIZE(at91sam9260_sram_desc));
+	} else if (cpu_is_at91sam9g20()) {
+		at91_init_sram(0, AT91SAM9G20_SRAM0_BASE, AT91SAM9G20_SRAM0_SIZE);
+		at91_init_sram(1, AT91SAM9G20_SRAM1_BASE, AT91SAM9G20_SRAM1_SIZE);
+	} else {
+		at91_init_sram(0, AT91SAM9260_SRAM0_BASE, AT91SAM9260_SRAM0_SIZE);
+		at91_init_sram(1, AT91SAM9260_SRAM1_BASE, AT91SAM9260_SRAM1_SIZE);
+	}
 }
 
-void __init at91sam9260_initialize(unsigned long main_clock)
+static void __init at91sam9260_initialize(void)
 {
 	at91_arch_reset = at91sam9_alt_reset;
 	pm_power_off = at91sam9260_poweroff;
 	at91_extern_irq = (1 << AT91SAM9260_ID_IRQ0) | (1 << AT91SAM9260_ID_IRQ1)
 			| (1 << AT91SAM9260_ID_IRQ2);
 
-	/* Init clock subsystem */
-	at91_clock_init(main_clock);
-
-	/* Register the processor-specific clocks */
-	at91sam9260_register_clocks();
-
 	/* Register GPIO subsystem */
 	at91_gpio_init(at91sam9260_gpio, 3);
 }
@@ -421,14 +368,9 @@ static unsigned int at91sam9260_default_irq_priority[NR_AIC_IRQS] __initdata = {
 	0,	/* Advanced Interrupt Controller */
 };
 
-void __init at91sam9260_init_interrupts(unsigned int priority[NR_AIC_IRQS])
-{
-	if (!priority)
-		priority = at91sam9260_default_irq_priority;
-
-	/* Initialize the AIC interrupt controller */
-	at91_aic_init(priority);
-
-	/* Enable GPIO interrupts */
-	at91_gpio_irq_setup();
-}
+struct at91_init_soc __initdata at91sam9260_soc = {
+	.map_io = at91sam9260_map_io,
+	.default_irq_priority = at91sam9260_default_irq_priority,
+	.register_clocks = at91sam9260_register_clocks,
+	.init = at91sam9260_initialize,
+};
diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c
index c1483168c97a..d522b47e30b5 100644
--- a/arch/arm/mach-at91/at91sam9261.c
+++ b/arch/arm/mach-at91/at91sam9261.c
@@ -22,36 +22,10 @@
 #include <mach/at91_rstc.h>
 #include <mach/at91_shdwc.h>
 
+#include "soc.h"
 #include "generic.h"
 #include "clock.h"
 
-static struct map_desc at91sam9261_io_desc[] __initdata = {
-	{
-		.virtual	= AT91_VA_BASE_SYS,
-		.pfn		= __phys_to_pfn(AT91_BASE_SYS),
-		.length		= SZ_16K,
-		.type		= MT_DEVICE,
-	},
-};
-
-static struct map_desc at91sam9261_sram_desc[] __initdata = {
-	{
-		.virtual	= AT91_IO_VIRT_BASE - AT91SAM9261_SRAM_SIZE,
-		.pfn		= __phys_to_pfn(AT91SAM9261_SRAM_BASE),
-		.length		= AT91SAM9261_SRAM_SIZE,
-		.type		= MT_DEVICE,
-	},
-};
-
-static struct map_desc at91sam9g10_sram_desc[] __initdata = {
-	{
-		.virtual	= AT91_IO_VIRT_BASE - AT91SAM9G10_SRAM_SIZE,
-		.pfn		= __phys_to_pfn(AT91SAM9G10_SRAM_BASE),
-		.length		= AT91SAM9G10_SRAM_SIZE,
-		.type		= MT_DEVICE,
-	},
-};
-
 /* --------------------------------------------------------------------
  *  Clocks
  * -------------------------------------------------------------------- */
@@ -302,30 +276,21 @@ static void at91sam9261_poweroff(void)
  *  AT91SAM9261 processor initialization
  * -------------------------------------------------------------------- */
 
-void __init at91sam9261_map_io(void)
+static void __init at91sam9261_map_io(void)
 {
-	/* Map peripherals */
-	iotable_init(at91sam9261_io_desc, ARRAY_SIZE(at91sam9261_io_desc));
-
 	if (cpu_is_at91sam9g10())
-		iotable_init(at91sam9g10_sram_desc, ARRAY_SIZE(at91sam9g10_sram_desc));
+		at91_init_sram(0, AT91SAM9G10_SRAM_BASE, AT91SAM9G10_SRAM_SIZE);
 	else
-		iotable_init(at91sam9261_sram_desc, ARRAY_SIZE(at91sam9261_sram_desc));
+		at91_init_sram(0, AT91SAM9261_SRAM_BASE, AT91SAM9261_SRAM_SIZE);
 }
 
-void __init at91sam9261_initialize(unsigned long main_clock)
+static void __init at91sam9261_initialize(void)
 {
 	at91_arch_reset = at91sam9_alt_reset;
 	pm_power_off = at91sam9261_poweroff;
 	at91_extern_irq = (1 << AT91SAM9261_ID_IRQ0) | (1 << AT91SAM9261_ID_IRQ1)
 			| (1 << AT91SAM9261_ID_IRQ2);
 
-	/* Init clock subsystem */
-	at91_clock_init(main_clock);
-
-	/* Register the processor-specific clocks */
-	at91sam9261_register_clocks();
-
 	/* Register GPIO subsystem */
 	at91_gpio_init(at91sam9261_gpio, 3);
 }
@@ -372,14 +337,9 @@ static unsigned int at91sam9261_default_irq_priority[NR_AIC_IRQS] __initdata = {
 	0,	/* Advanced Interrupt Controller */
 };
 
-void __init at91sam9261_init_interrupts(unsigned int priority[NR_AIC_IRQS])
-{
-	if (!priority)
-		priority = at91sam9261_default_irq_priority;
-
-	/* Initialize the AIC interrupt controller */
-	at91_aic_init(priority);
-
-	/* Enable GPIO interrupts */
-	at91_gpio_irq_setup();
-}
+struct at91_init_soc __initdata at91sam9261_soc = {
+	.map_io = at91sam9261_map_io,
+	.default_irq_priority = at91sam9261_default_irq_priority,
+	.register_clocks = at91sam9261_register_clocks,
+	.init = at91sam9261_initialize,
+};
diff --git a/arch/arm/mach-at91/at91sam9263.c b/arch/arm/mach-at91/at91sam9263.c
index dc28477d14ff..044f3c927e64 100644
--- a/arch/arm/mach-at91/at91sam9263.c
+++ b/arch/arm/mach-at91/at91sam9263.c
@@ -21,28 +21,10 @@
 #include <mach/at91_rstc.h>
 #include <mach/at91_shdwc.h>
 
+#include "soc.h"
 #include "generic.h"
 #include "clock.h"
 
-static struct map_desc at91sam9263_io_desc[] __initdata = {
-	{
-		.virtual	= AT91_VA_BASE_SYS,
-		.pfn		= __phys_to_pfn(AT91_BASE_SYS),
-		.length		= SZ_16K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= AT91_IO_VIRT_BASE - AT91SAM9263_SRAM0_SIZE,
-		.pfn		= __phys_to_pfn(AT91SAM9263_SRAM0_BASE),
-		.length		= AT91SAM9263_SRAM0_SIZE,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= AT91_IO_VIRT_BASE - AT91SAM9263_SRAM0_SIZE - AT91SAM9263_SRAM1_SIZE,
-		.pfn		= __phys_to_pfn(AT91SAM9263_SRAM1_BASE),
-		.length		= AT91SAM9263_SRAM1_SIZE,
-		.type		= MT_DEVICE,
-	},
-};
-
 /* --------------------------------------------------------------------
  *  Clocks
  * -------------------------------------------------------------------- */
@@ -313,24 +295,18 @@ static void at91sam9263_poweroff(void)
  *  AT91SAM9263 processor initialization
  * -------------------------------------------------------------------- */
 
-void __init at91sam9263_map_io(void)
+static void __init at91sam9263_map_io(void)
 {
-	/* Map peripherals */
-	iotable_init(at91sam9263_io_desc, ARRAY_SIZE(at91sam9263_io_desc));
+	at91_init_sram(0, AT91SAM9263_SRAM0_BASE, AT91SAM9263_SRAM0_SIZE);
+	at91_init_sram(1, AT91SAM9263_SRAM1_BASE, AT91SAM9263_SRAM1_SIZE);
 }
 
-void __init at91sam9263_initialize(unsigned long main_clock)
+static void __init at91sam9263_initialize(void)
 {
 	at91_arch_reset = at91sam9_alt_reset;
 	pm_power_off = at91sam9263_poweroff;
 	at91_extern_irq = (1 << AT91SAM9263_ID_IRQ0) | (1 << AT91SAM9263_ID_IRQ1);
 
-	/* Init clock subsystem */
-	at91_clock_init(main_clock);
-
-	/* Register the processor-specific clocks */
-	at91sam9263_register_clocks();
-
 	/* Register GPIO subsystem */
 	at91_gpio_init(at91sam9263_gpio, 5);
 }
@@ -377,14 +353,9 @@ static unsigned int at91sam9263_default_irq_priority[NR_AIC_IRQS] __initdata = {
 	0,	/* Advanced Interrupt Controller (IRQ1) */
 };
 
-void __init at91sam9263_init_interrupts(unsigned int priority[NR_AIC_IRQS])
-{
-	if (!priority)
-		priority = at91sam9263_default_irq_priority;
-
-	/* Initialize the AIC interrupt controller */
-	at91_aic_init(priority);
-
-	/* Enable GPIO interrupts */
-	at91_gpio_irq_setup();
-}
+struct at91_init_soc __initdata at91sam9263_soc = {
+	.map_io = at91sam9263_map_io,
+	.default_irq_priority = at91sam9263_default_irq_priority,
+	.register_clocks = at91sam9263_register_clocks,
+	.init = at91sam9263_initialize,
+};
diff --git a/arch/arm/mach-at91/at91sam9g45.c b/arch/arm/mach-at91/at91sam9g45.c
index 11e214121b23..e04c5fb6f1ee 100644
--- a/arch/arm/mach-at91/at91sam9g45.c
+++ b/arch/arm/mach-at91/at91sam9g45.c
@@ -22,23 +22,10 @@
 #include <mach/at91_shdwc.h>
 #include <mach/cpu.h>
 
+#include "soc.h"
 #include "generic.h"
 #include "clock.h"
 
-static struct map_desc at91sam9g45_io_desc[] __initdata = {
-	{
-		.virtual	= AT91_VA_BASE_SYS,
-		.pfn		= __phys_to_pfn(AT91_BASE_SYS),
-		.length		= SZ_16K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= AT91_IO_VIRT_BASE - AT91SAM9G45_SRAM_SIZE,
-		.pfn		= __phys_to_pfn(AT91SAM9G45_SRAM_BASE),
-		.length		= AT91SAM9G45_SRAM_SIZE,
-		.type		= MT_DEVICE,
-	}
-};
-
 /* --------------------------------------------------------------------
  *  Clocks
  * -------------------------------------------------------------------- */
@@ -329,24 +316,17 @@ static void at91sam9g45_poweroff(void)
  *  AT91SAM9G45 processor initialization
  * -------------------------------------------------------------------- */
 
-void __init at91sam9g45_map_io(void)
+static void __init at91sam9g45_map_io(void)
 {
-	/* Map peripherals */
-	iotable_init(at91sam9g45_io_desc, ARRAY_SIZE(at91sam9g45_io_desc));
+	at91_init_sram(0, AT91SAM9G45_SRAM_BASE, AT91SAM9G45_SRAM_SIZE);
 }
 
-void __init at91sam9g45_initialize(unsigned long main_clock)
+static void __init at91sam9g45_initialize(void)
 {
 	at91_arch_reset = at91sam9g45_reset;
 	pm_power_off = at91sam9g45_poweroff;
 	at91_extern_irq = (1 << AT91SAM9G45_ID_IRQ0);
 
-	/* Init clock subsystem */
-	at91_clock_init(main_clock);
-
-	/* Register the processor-specific clocks */
-	at91sam9g45_register_clocks();
-
 	/* Register GPIO subsystem */
 	at91_gpio_init(at91sam9g45_gpio, 5);
 }
@@ -393,14 +373,9 @@ static unsigned int at91sam9g45_default_irq_priority[NR_AIC_IRQS] __initdata = {
 	0,	/* Advanced Interrupt Controller (IRQ0) */
 };
 
-void __init at91sam9g45_init_interrupts(unsigned int priority[NR_AIC_IRQS])
-{
-	if (!priority)
-		priority = at91sam9g45_default_irq_priority;
-
-	/* Initialize the AIC interrupt controller */
-	at91_aic_init(priority);
-
-	/* Enable GPIO interrupts */
-	at91_gpio_irq_setup();
-}
+struct at91_init_soc __initdata at91sam9g45_soc = {
+	.map_io = at91sam9g45_map_io,
+	.default_irq_priority = at91sam9g45_default_irq_priority,
+	.register_clocks = at91sam9g45_register_clocks,
+	.init = at91sam9g45_initialize,
+};
diff --git a/arch/arm/mach-at91/at91sam9rl.c b/arch/arm/mach-at91/at91sam9rl.c
index 29dff18ed130..a238105d2c11 100644
--- a/arch/arm/mach-at91/at91sam9rl.c
+++ b/arch/arm/mach-at91/at91sam9rl.c
@@ -16,30 +16,16 @@
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 #include <mach/cpu.h>
+#include <mach/at91_dbgu.h>
 #include <mach/at91sam9rl.h>
 #include <mach/at91_pmc.h>
 #include <mach/at91_rstc.h>
 #include <mach/at91_shdwc.h>
 
+#include "soc.h"
 #include "generic.h"
 #include "clock.h"
 
-static struct map_desc at91sam9rl_io_desc[] __initdata = {
-	{
-		.virtual	= AT91_VA_BASE_SYS,
-		.pfn		= __phys_to_pfn(AT91_BASE_SYS),
-		.length		= SZ_16K,
-		.type		= MT_DEVICE,
-	},
-};
-
-static struct map_desc at91sam9rl_sram_desc[] __initdata = {
-	{
-		.pfn		= __phys_to_pfn(AT91SAM9RL_SRAM_BASE),
-		.type		= MT_DEVICE,
-	}
-};
-
 /* --------------------------------------------------------------------
  *  Clocks
  * -------------------------------------------------------------------- */
@@ -287,16 +273,11 @@ static void at91sam9rl_poweroff(void)
  *  AT91SAM9RL processor initialization
  * -------------------------------------------------------------------- */
 
-void __init at91sam9rl_map_io(void)
+static void __init at91sam9rl_map_io(void)
 {
-	unsigned long cidr, sram_size;
+	unsigned long sram_size;
 
-	/* Map peripherals */
-	iotable_init(at91sam9rl_io_desc, ARRAY_SIZE(at91sam9rl_io_desc));
-
-	cidr = at91_sys_read(AT91_DBGU_CIDR);
-
-	switch (cidr & AT91_CIDR_SRAMSIZ) {
+	switch (at91_soc_initdata.cidr & AT91_CIDR_SRAMSIZ) {
 		case AT91_CIDR_SRAMSIZ_32K:
 			sram_size = 2 * SZ_16K;
 			break;
@@ -305,25 +286,16 @@ void __init at91sam9rl_map_io(void)
 			sram_size = SZ_16K;
 	}
 
-	at91sam9rl_sram_desc->virtual = AT91_IO_VIRT_BASE - sram_size;
-	at91sam9rl_sram_desc->length = sram_size;
-
 	/* Map SRAM */
-	iotable_init(at91sam9rl_sram_desc, ARRAY_SIZE(at91sam9rl_sram_desc));
+	at91_init_sram(0, AT91SAM9RL_SRAM_BASE, sram_size);
 }
 
-void __init at91sam9rl_initialize(unsigned long main_clock)
+static void __init at91sam9rl_initialize(void)
 {
 	at91_arch_reset = at91sam9_alt_reset;
 	pm_power_off = at91sam9rl_poweroff;
 	at91_extern_irq = (1 << AT91SAM9RL_ID_IRQ0);
 
-	/* Init clock subsystem */
-	at91_clock_init(main_clock);
-
-	/* Register the processor-specific clocks */
-	at91sam9rl_register_clocks();
-
 	/* Register GPIO subsystem */
 	at91_gpio_init(at91sam9rl_gpio, 4);
 }
@@ -370,14 +342,9 @@ static unsigned int at91sam9rl_default_irq_priority[NR_AIC_IRQS] __initdata = {
 	0,	/* Advanced Interrupt Controller */
 };
 
-void __init at91sam9rl_init_interrupts(unsigned int priority[NR_AIC_IRQS])
-{
-	if (!priority)
-		priority = at91sam9rl_default_irq_priority;
-
-	/* Initialize the AIC interrupt controller */
-	at91_aic_init(priority);
-
-	/* Enable GPIO interrupts */
-	at91_gpio_irq_setup();
-}
+struct at91_init_soc __initdata at91sam9rl_soc = {
+	.map_io = at91sam9rl_map_io,
+	.default_irq_priority = at91sam9rl_default_irq_priority,
+	.register_clocks = at91sam9rl_register_clocks,
+	.init = at91sam9rl_initialize,
+};
diff --git a/arch/arm/mach-at91/board-1arm.c b/arch/arm/mach-at91/board-1arm.c
index ab1d463aa47d..5aa58851eb39 100644
--- a/arch/arm/mach-at91/board-1arm.c
+++ b/arch/arm/mach-at91/board-1arm.c
@@ -46,7 +46,7 @@ static void __init onearm_init_early(void)
 	at91rm9200_set_type(ARCH_REVISON_9200_PQFP);
 
 	/* Initialize processor: 18.432 MHz crystal */
-	at91rm9200_initialize(18432000);
+	at91_initialize(18432000);
 
 	/* DBGU on ttyS0. (Rx & Tx only) */
 	at91_register_uart(0, 0, 0);
@@ -63,11 +63,6 @@ static void __init onearm_init_early(void)
 	at91_set_serial_console(0);
 }
 
-static void __init onearm_init_irq(void)
-{
-	at91rm9200_init_interrupts(NULL);
-}
-
 static struct at91_eth_data __initdata onearm_eth_data = {
 	.phy_irq_pin	= AT91_PIN_PC4,
 	.is_rmii	= 1,
@@ -97,8 +92,8 @@ static void __init onearm_board_init(void)
 MACHINE_START(ONEARM, "Ajeco 1ARM single board computer")
 	/* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
 	.timer		= &at91rm9200_timer,
-	.map_io		= at91rm9200_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= onearm_init_early,
-	.init_irq	= onearm_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= onearm_board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/board-afeb-9260v1.c b/arch/arm/mach-at91/board-afeb-9260v1.c
index a4924de48c36..b0c796d42e49 100644
--- a/arch/arm/mach-at91/board-afeb-9260v1.c
+++ b/arch/arm/mach-at91/board-afeb-9260v1.c
@@ -51,7 +51,7 @@
 static void __init afeb9260_init_early(void)
 {
 	/* Initialize processor: 18.432 MHz crystal */
-	at91sam9260_initialize(18432000);
+	at91_initialize(18432000);
 
 	/* DBGU on ttyS0. (Rx & Tx only) */
 	at91_register_uart(0, 0, 0);
@@ -70,12 +70,6 @@ static void __init afeb9260_init_early(void)
 	at91_set_serial_console(0);
 }
 
-static void __init afeb9260_init_irq(void)
-{
-	at91sam9260_init_interrupts(NULL);
-}
-
-
 /*
  * USB Host port
  */
@@ -219,9 +213,9 @@ static void __init afeb9260_board_init(void)
 MACHINE_START(AFEB9260, "Custom afeb9260 board")
 	/* Maintainer: Sergey Lapin <slapin@ossfans.org> */
 	.timer		= &at91sam926x_timer,
-	.map_io		= at91sam9260_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= afeb9260_init_early,
-	.init_irq	= afeb9260_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= afeb9260_board_init,
 MACHINE_END
 
diff --git a/arch/arm/mach-at91/board-cam60.c b/arch/arm/mach-at91/board-cam60.c
index 148fccb9a25a..d1abd5898e85 100644
--- a/arch/arm/mach-at91/board-cam60.c
+++ b/arch/arm/mach-at91/board-cam60.c
@@ -48,7 +48,7 @@
 static void __init cam60_init_early(void)
 {
 	/* Initialize processor: 10 MHz crystal */
-	at91sam9260_initialize(10000000);
+	at91_initialize(10000000);
 
 	/* DBGU on ttyS0. (Rx & Tx only) */
 	at91_register_uart(0, 0, 0);
@@ -57,12 +57,6 @@ static void __init cam60_init_early(void)
 	at91_set_serial_console(0);
 }
 
-static void __init cam60_init_irq(void)
-{
-	at91sam9260_init_interrupts(NULL);
-}
-
-
 /*
  * USB Host
  */
@@ -199,8 +193,8 @@ static void __init cam60_board_init(void)
 MACHINE_START(CAM60, "KwikByte CAM60")
 	/* Maintainer: KwikByte */
 	.timer		= &at91sam926x_timer,
-	.map_io		= at91sam9260_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= cam60_init_early,
-	.init_irq	= cam60_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= cam60_board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/board-cap9adk.c b/arch/arm/mach-at91/board-cap9adk.c
index cdb65d483250..679b0b743e92 100644
--- a/arch/arm/mach-at91/board-cap9adk.c
+++ b/arch/arm/mach-at91/board-cap9adk.c
@@ -53,7 +53,7 @@
 static void __init cap9adk_init_early(void)
 {
 	/* Initialize processor: 12 MHz crystal */
-	at91cap9_initialize(12000000);
+	at91_initialize(12000000);
 
 	/* Setup the LEDs: USER1 and USER2 LED for cpu/timer... */
 	at91_init_leds(AT91_PIN_PA10, AT91_PIN_PA11);
@@ -65,12 +65,6 @@ static void __init cap9adk_init_early(void)
 	at91_set_serial_console(0);
 }
 
-static void __init cap9adk_init_irq(void)
-{
-	at91cap9_init_interrupts(NULL);
-}
-
-
 /*
  * USB Host port
  */
@@ -397,8 +391,8 @@ static void __init cap9adk_board_init(void)
 MACHINE_START(AT91CAP9ADK, "Atmel AT91CAP9A-DK")
 	/* Maintainer: Stelian Pop <stelian.pop@leadtechdesign.com> */
 	.timer		= &at91sam926x_timer,
-	.map_io		= at91cap9_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= cap9adk_init_early,
-	.init_irq	= cap9adk_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= cap9adk_board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/board-carmeva.c b/arch/arm/mach-at91/board-carmeva.c
index f36b18687494..c578c5d90728 100644
--- a/arch/arm/mach-at91/board-carmeva.c
+++ b/arch/arm/mach-at91/board-carmeva.c
@@ -43,7 +43,7 @@
 static void __init carmeva_init_early(void)
 {
 	/* Initialize processor: 20.000 MHz crystal */
-	at91rm9200_initialize(20000000);
+	at91_initialize(20000000);
 
 	/* DBGU on ttyS0. (Rx & Tx only) */
 	at91_register_uart(0, 0, 0);
@@ -57,11 +57,6 @@ static void __init carmeva_init_early(void)
 	at91_set_serial_console(0);
 }
 
-static void __init carmeva_init_irq(void)
-{
-	at91rm9200_init_interrupts(NULL);
-}
-
 static struct at91_eth_data __initdata carmeva_eth_data = {
 	.phy_irq_pin	= AT91_PIN_PC4,
 	.is_rmii	= 1,
@@ -163,8 +158,8 @@ static void __init carmeva_board_init(void)
 MACHINE_START(CARMEVA, "Carmeva")
 	/* Maintainer: Conitec Datasystems */
 	.timer		= &at91rm9200_timer,
-	.map_io		= at91rm9200_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= carmeva_init_early,
-	.init_irq	= carmeva_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= carmeva_board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/board-cpu9krea.c b/arch/arm/mach-at91/board-cpu9krea.c
index 980511084fe4..f4da8a16d5dc 100644
--- a/arch/arm/mach-at91/board-cpu9krea.c
+++ b/arch/arm/mach-at91/board-cpu9krea.c
@@ -50,7 +50,7 @@
 static void __init cpu9krea_init_early(void)
 {
 	/* Initialize processor: 18.432 MHz crystal */
-	at91sam9260_initialize(18432000);
+	at91_initialize(18432000);
 
 	/* DGBU on ttyS0. (Rx & Tx only) */
 	at91_register_uart(0, 0, 0);
@@ -81,11 +81,6 @@ static void __init cpu9krea_init_early(void)
 	at91_set_serial_console(0);
 }
 
-static void __init cpu9krea_init_irq(void)
-{
-	at91sam9260_init_interrupts(NULL);
-}
-
 /*
  * USB Host port
  */
@@ -376,8 +371,8 @@ MACHINE_START(CPUAT9G20, "Eukrea CPU9G20")
 #endif
 	/* Maintainer: Eric Benard - EUKREA Electromatique */
 	.timer		= &at91sam926x_timer,
-	.map_io		= at91sam9260_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= cpu9krea_init_early,
-	.init_irq	= cpu9krea_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= cpu9krea_board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/board-cpuat91.c b/arch/arm/mach-at91/board-cpuat91.c
index 6daabe3907a1..2d919f5a4f57 100644
--- a/arch/arm/mach-at91/board-cpuat91.c
+++ b/arch/arm/mach-at91/board-cpuat91.c
@@ -57,7 +57,7 @@ static void __init cpuat91_init_early(void)
 	at91rm9200_set_type(ARCH_REVISON_9200_PQFP);
 
 	/* Initialize processor: 18.432 MHz crystal */
-	at91rm9200_initialize(18432000);
+	at91_initialize(18432000);
 
 	/* DBGU on ttyS0. (Rx & Tx only) */
 	at91_register_uart(0, 0, 0);
@@ -82,11 +82,6 @@ static void __init cpuat91_init_early(void)
 	at91_set_serial_console(0);
 }
 
-static void __init cpuat91_init_irq(void)
-{
-	at91rm9200_init_interrupts(NULL);
-}
-
 static struct at91_eth_data __initdata cpuat91_eth_data = {
 	.is_rmii	= 1,
 };
@@ -180,8 +175,8 @@ static void __init cpuat91_board_init(void)
 MACHINE_START(CPUAT91, "Eukrea")
 	/* Maintainer: Eric Benard - EUKREA Electromatique */
 	.timer		= &at91rm9200_timer,
-	.map_io		= at91rm9200_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= cpuat91_init_early,
-	.init_irq	= cpuat91_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= cpuat91_board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/board-csb337.c b/arch/arm/mach-at91/board-csb337.c
index d98bcec1dfe0..17654d5e94e6 100644
--- a/arch/arm/mach-at91/board-csb337.c
+++ b/arch/arm/mach-at91/board-csb337.c
@@ -46,7 +46,7 @@
 static void __init csb337_init_early(void)
 {
 	/* Initialize processor: 3.6864 MHz crystal */
-	at91rm9200_initialize(3686400);
+	at91_initialize(3686400);
 
 	/* Setup the LEDs */
 	at91_init_leds(AT91_PIN_PB0, AT91_PIN_PB1);
@@ -58,11 +58,6 @@ static void __init csb337_init_early(void)
 	at91_set_serial_console(0);
 }
 
-static void __init csb337_init_irq(void)
-{
-	at91rm9200_init_interrupts(NULL);
-}
-
 static struct at91_eth_data __initdata csb337_eth_data = {
 	.phy_irq_pin	= AT91_PIN_PC2,
 	.is_rmii	= 0,
@@ -258,8 +253,8 @@ static void __init csb337_board_init(void)
 MACHINE_START(CSB337, "Cogent CSB337")
 	/* Maintainer: Bill Gatliff */
 	.timer		= &at91rm9200_timer,
-	.map_io		= at91rm9200_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= csb337_init_early,
-	.init_irq	= csb337_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= csb337_board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/board-csb637.c b/arch/arm/mach-at91/board-csb637.c
index 019aab4e20b0..72b55674616c 100644
--- a/arch/arm/mach-at91/board-csb637.c
+++ b/arch/arm/mach-at91/board-csb637.c
@@ -43,7 +43,7 @@
 static void __init csb637_init_early(void)
 {
 	/* Initialize processor: 3.6864 MHz crystal */
-	at91rm9200_initialize(3686400);
+	at91_initialize(3686400);
 
 	/* DBGU on ttyS0. (Rx & Tx only) */
 	at91_register_uart(0, 0, 0);
@@ -52,11 +52,6 @@ static void __init csb637_init_early(void)
 	at91_set_serial_console(0);
 }
 
-static void __init csb637_init_irq(void)
-{
-	at91rm9200_init_interrupts(NULL);
-}
-
 static struct at91_eth_data __initdata csb637_eth_data = {
 	.phy_irq_pin	= AT91_PIN_PC0,
 	.is_rmii	= 0,
@@ -139,8 +134,8 @@ static void __init csb637_board_init(void)
 MACHINE_START(CSB637, "Cogent CSB637")
 	/* Maintainer: Bill Gatliff */
 	.timer		= &at91rm9200_timer,
-	.map_io		= at91rm9200_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= csb637_init_early,
-	.init_irq	= csb637_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= csb637_board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/board-eb9200.c b/arch/arm/mach-at91/board-eb9200.c
index e9484535cbc8..01170a2766a8 100644
--- a/arch/arm/mach-at91/board-eb9200.c
+++ b/arch/arm/mach-at91/board-eb9200.c
@@ -43,7 +43,7 @@
 static void __init eb9200_init_early(void)
 {
 	/* Initialize processor: 18.432 MHz crystal */
-	at91rm9200_initialize(18432000);
+	at91_initialize(18432000);
 
 	/* DBGU on ttyS0. (Rx & Tx only) */
 	at91_register_uart(0, 0, 0);
@@ -60,11 +60,6 @@ static void __init eb9200_init_early(void)
 	at91_set_serial_console(0);
 }
 
-static void __init eb9200_init_irq(void)
-{
-	at91rm9200_init_interrupts(NULL);
-}
-
 static struct at91_eth_data __initdata eb9200_eth_data = {
 	.phy_irq_pin	= AT91_PIN_PC4,
 	.is_rmii	= 1,
@@ -121,8 +116,8 @@ static void __init eb9200_board_init(void)
 
 MACHINE_START(ATEB9200, "Embest ATEB9200")
 	.timer		= &at91rm9200_timer,
-	.map_io		= at91rm9200_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= eb9200_init_early,
-	.init_irq	= eb9200_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= eb9200_board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/board-ecbat91.c b/arch/arm/mach-at91/board-ecbat91.c
index a6f57faa10a7..7c0313c51f26 100644
--- a/arch/arm/mach-at91/board-ecbat91.c
+++ b/arch/arm/mach-at91/board-ecbat91.c
@@ -49,7 +49,7 @@ static void __init ecb_at91init_early(void)
 	at91rm9200_set_type(ARCH_REVISON_9200_PQFP);
 
 	/* Initialize processor: 18.432 MHz crystal */
-	at91rm9200_initialize(18432000);
+	at91_initialize(18432000);
 
 	/* Setup the LEDs */
 	at91_init_leds(AT91_PIN_PC7, AT91_PIN_PC7);
@@ -64,11 +64,6 @@ static void __init ecb_at91init_early(void)
 	at91_set_serial_console(0);
 }
 
-static void __init ecb_at91init_irq(void)
-{
-	at91rm9200_init_interrupts(NULL);
-}
-
 static struct at91_eth_data __initdata ecb_at91eth_data = {
 	.phy_irq_pin	= AT91_PIN_PC4,
 	.is_rmii	= 0,
@@ -173,8 +168,8 @@ static void __init ecb_at91board_init(void)
 MACHINE_START(ECBAT91, "emQbit's ECB_AT91")
 	/* Maintainer: emQbit.com */
 	.timer		= &at91rm9200_timer,
-	.map_io		= at91rm9200_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= ecb_at91init_early,
-	.init_irq	= ecb_at91init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= ecb_at91board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/board-eco920.c b/arch/arm/mach-at91/board-eco920.c
index bfc0062d1483..8252c722607b 100644
--- a/arch/arm/mach-at91/board-eco920.c
+++ b/arch/arm/mach-at91/board-eco920.c
@@ -35,7 +35,7 @@ static void __init eco920_init_early(void)
 	/* Set cpu type: PQFP */
 	at91rm9200_set_type(ARCH_REVISON_9200_PQFP);
 
-	at91rm9200_initialize(18432000);
+	at91_initialize(18432000);
 
 	/* Setup the LEDs */
 	at91_init_leds(AT91_PIN_PB0, AT91_PIN_PB1);
@@ -47,11 +47,6 @@ static void __init eco920_init_early(void)
 	at91_set_serial_console(0);
 }
 
-static void __init eco920_init_irq(void)
-{
-	at91rm9200_init_interrupts(NULL);
-}
-
 static struct at91_eth_data __initdata eco920_eth_data = {
 	.phy_irq_pin	= AT91_PIN_PC2,
 	.is_rmii	= 1,
@@ -135,8 +130,8 @@ static void __init eco920_board_init(void)
 MACHINE_START(ECO920, "eco920")
 	/* Maintainer: Sascha Hauer */
 	.timer		= &at91rm9200_timer,
-	.map_io		= at91rm9200_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= eco920_init_early,
-	.init_irq	= eco920_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= eco920_board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/board-flexibity.c b/arch/arm/mach-at91/board-flexibity.c
index 466c063b8d21..4c3f65d9c59b 100644
--- a/arch/arm/mach-at91/board-flexibity.c
+++ b/arch/arm/mach-at91/board-flexibity.c
@@ -40,7 +40,7 @@
 static void __init flexibity_init_early(void)
 {
 	/* Initialize processor: 18.432 MHz crystal */
-	at91sam9260_initialize(18432000);
+	at91_initialize(18432000);
 
 	/* DBGU on ttyS0. (Rx & Tx only) */
 	at91_register_uart(0, 0, 0);
@@ -49,11 +49,6 @@ static void __init flexibity_init_early(void)
 	at91_set_serial_console(0);
 }
 
-static void __init flexibity_init_irq(void)
-{
-	at91sam9260_init_interrupts(NULL);
-}
-
 /* USB Host port */
 static struct at91_usbh_data __initdata flexibity_usbh_data = {
 	.ports		= 2,
@@ -155,8 +150,8 @@ static void __init flexibity_board_init(void)
 MACHINE_START(FLEXIBITY, "Flexibity Connect")
 	/* Maintainer: Maxim Osipov */
 	.timer		= &at91sam926x_timer,
-	.map_io		= at91sam9260_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= flexibity_init_early,
-	.init_irq	= flexibity_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= flexibity_board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/board-foxg20.c b/arch/arm/mach-at91/board-foxg20.c
index e2d1dc9eff45..f27d1a780cfa 100644
--- a/arch/arm/mach-at91/board-foxg20.c
+++ b/arch/arm/mach-at91/board-foxg20.c
@@ -60,7 +60,7 @@
 static void __init foxg20_init_early(void)
 {
 	/* Initialize processor: 18.432 MHz crystal */
-	at91sam9260_initialize(18432000);
+	at91_initialize(18432000);
 
 	/* DBGU on ttyS0. (Rx & Tx only) */
 	at91_register_uart(0, 0, 0);
@@ -101,12 +101,6 @@ static void __init foxg20_init_early(void)
 
 }
 
-static void __init foxg20_init_irq(void)
-{
-	at91sam9260_init_interrupts(NULL);
-}
-
-
 /*
  * USB Host port
  */
@@ -267,8 +261,8 @@ static void __init foxg20_board_init(void)
 MACHINE_START(ACMENETUSFOXG20, "Acme Systems srl FOX Board G20")
 	/* Maintainer: Sergio Tanzilli */
 	.timer		= &at91sam926x_timer,
-	.map_io		= at91sam9260_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= foxg20_init_early,
-	.init_irq	= foxg20_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= foxg20_board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/board-gsia18s.c b/arch/arm/mach-at91/board-gsia18s.c
index 1d4f36b3cb27..2e95949737e6 100644
--- a/arch/arm/mach-at91/board-gsia18s.c
+++ b/arch/arm/mach-at91/board-gsia18s.c
@@ -75,11 +75,6 @@ static void __init gsia18s_init_early(void)
 	at91_register_uart(AT91SAM9260_ID_US4, 5, 0);
 }
 
-static void __init init_irq(void)
-{
-	at91sam9260_init_interrupts(NULL);
-}
-
 /*
  * Two USB Host ports
  */
@@ -577,8 +572,8 @@ static void __init gsia18s_board_init(void)
 
 MACHINE_START(GSIA18S, "GS_IA18_S")
 	.timer		= &at91sam926x_timer,
-	.map_io		= at91sam9260_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= gsia18s_init_early,
-	.init_irq	= init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= gsia18s_board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/board-kafa.c b/arch/arm/mach-at91/board-kafa.c
index 9b003ff744ba..4a170890b3b1 100644
--- a/arch/arm/mach-at91/board-kafa.c
+++ b/arch/arm/mach-at91/board-kafa.c
@@ -46,7 +46,7 @@ static void __init kafa_init_early(void)
 	at91rm9200_set_type(ARCH_REVISON_9200_PQFP);
 
 	/* Initialize processor: 18.432 MHz crystal */
-	at91rm9200_initialize(18432000);
+	at91_initialize(18432000);
 
 	/* Set up the LEDs */
 	at91_init_leds(AT91_PIN_PB4, AT91_PIN_PB4);
@@ -61,11 +61,6 @@ static void __init kafa_init_early(void)
 	at91_set_serial_console(0);
 }
 
-static void __init kafa_init_irq(void)
-{
-	at91rm9200_init_interrupts(NULL);
-}
-
 static struct at91_eth_data __initdata kafa_eth_data = {
 	.phy_irq_pin	= AT91_PIN_PC4,
 	.is_rmii	= 0,
@@ -99,8 +94,8 @@ static void __init kafa_board_init(void)
 MACHINE_START(KAFA, "Sperry-Sun KAFA")
 	/* Maintainer: Sergei Sharonov */
 	.timer		= &at91rm9200_timer,
-	.map_io		= at91rm9200_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= kafa_init_early,
-	.init_irq	= kafa_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= kafa_board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/board-kb9202.c b/arch/arm/mach-at91/board-kb9202.c
index a813a74b65f9..9dc8d496ead1 100644
--- a/arch/arm/mach-at91/board-kb9202.c
+++ b/arch/arm/mach-at91/board-kb9202.c
@@ -48,7 +48,7 @@ static void __init kb9202_init_early(void)
 	at91rm9200_set_type(ARCH_REVISON_9200_PQFP);
 
 	/* Initialize processor: 10 MHz crystal */
-	at91rm9200_initialize(10000000);
+	at91_initialize(10000000);
 
 	/* Set up the LEDs */
 	at91_init_leds(AT91_PIN_PC19, AT91_PIN_PC18);
@@ -69,11 +69,6 @@ static void __init kb9202_init_early(void)
 	at91_set_serial_console(0);
 }
 
-static void __init kb9202_init_irq(void)
-{
-	at91rm9200_init_interrupts(NULL);
-}
-
 static struct at91_eth_data __initdata kb9202_eth_data = {
 	.phy_irq_pin	= AT91_PIN_PB29,
 	.is_rmii	= 0,
@@ -140,8 +135,8 @@ static void __init kb9202_board_init(void)
 MACHINE_START(KB9200, "KB920x")
 	/* Maintainer: KwikByte, Inc. */
 	.timer		= &at91rm9200_timer,
-	.map_io		= at91rm9200_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= kb9202_init_early,
-	.init_irq	= kb9202_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= kb9202_board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/board-neocore926.c b/arch/arm/mach-at91/board-neocore926.c
index 961e805db68c..9bc6ab32e0ac 100644
--- a/arch/arm/mach-at91/board-neocore926.c
+++ b/arch/arm/mach-at91/board-neocore926.c
@@ -54,7 +54,7 @@
 static void __init neocore926_init_early(void)
 {
 	/* Initialize processor: 20 MHz crystal */
-	at91sam9263_initialize(20000000);
+	at91_initialize(20000000);
 
 	/* DBGU on ttyS0. (Rx & Tx only) */
 	at91_register_uart(0, 0, 0);
@@ -66,12 +66,6 @@ static void __init neocore926_init_early(void)
 	at91_set_serial_console(0);
 }
 
-static void __init neocore926_init_irq(void)
-{
-	at91sam9263_init_interrupts(NULL);
-}
-
-
 /*
  * USB Host port
  */
@@ -388,8 +382,8 @@ static void __init neocore926_board_init(void)
 MACHINE_START(NEOCORE926, "ADENEO NEOCORE 926")
 	/* Maintainer: ADENEO */
 	.timer		= &at91sam926x_timer,
-	.map_io		= at91sam9263_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= neocore926_init_early,
-	.init_irq	= neocore926_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= neocore926_board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/board-pcontrol-g20.c b/arch/arm/mach-at91/board-pcontrol-g20.c
index 21a21af25878..49e3f699b48e 100644
--- a/arch/arm/mach-at91/board-pcontrol-g20.c
+++ b/arch/arm/mach-at91/board-pcontrol-g20.c
@@ -53,13 +53,6 @@ static void __init pcontrol_g20_init_early(void)
 	at91_register_uart(AT91SAM9260_ID_US4, 3, 0);
 }
 
-
-static void __init init_irq(void)
-{
-	at91sam9260_init_interrupts(NULL);
-}
-
-
 static struct sam9_smc_config __initdata pcontrol_smc_config[2] = { {
 	.ncs_read_setup		= 16,
 	.nrd_setup		= 18,
@@ -223,8 +216,8 @@ static void __init pcontrol_g20_board_init(void)
 MACHINE_START(PCONTROL_G20, "PControl G20")
 	/* Maintainer: pgsellmann@portner-elektronik.at */
 	.timer		= &at91sam926x_timer,
-	.map_io		= at91sam9260_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= pcontrol_g20_init_early,
-	.init_irq	= init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= pcontrol_g20_board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/board-picotux200.c b/arch/arm/mach-at91/board-picotux200.c
index 756cc2a745dd..b7b8390e8a00 100644
--- a/arch/arm/mach-at91/board-picotux200.c
+++ b/arch/arm/mach-at91/board-picotux200.c
@@ -46,7 +46,7 @@
 static void __init picotux200_init_early(void)
 {
 	/* Initialize processor: 18.432 MHz crystal */
-	at91rm9200_initialize(18432000);
+	at91_initialize(18432000);
 
 	/* DBGU on ttyS0. (Rx & Tx only) */
 	at91_register_uart(0, 0, 0);
@@ -60,11 +60,6 @@ static void __init picotux200_init_early(void)
 	at91_set_serial_console(0);
 }
 
-static void __init picotux200_init_irq(void)
-{
-	at91rm9200_init_interrupts(NULL);
-}
-
 static struct at91_eth_data __initdata picotux200_eth_data = {
 	.phy_irq_pin	= AT91_PIN_PC4,
 	.is_rmii	= 1,
@@ -124,8 +119,8 @@ static void __init picotux200_board_init(void)
 MACHINE_START(PICOTUX2XX, "picotux 200")
 	/* Maintainer: Kleinhenz Elektronik GmbH */
 	.timer		= &at91rm9200_timer,
-	.map_io		= at91rm9200_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= picotux200_init_early,
-	.init_irq	= picotux200_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= picotux200_board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/board-qil-a9260.c b/arch/arm/mach-at91/board-qil-a9260.c
index d1a6001b0bd8..81f911033681 100644
--- a/arch/arm/mach-at91/board-qil-a9260.c
+++ b/arch/arm/mach-at91/board-qil-a9260.c
@@ -51,7 +51,7 @@
 static void __init ek_init_early(void)
 {
 	/* Initialize processor: 12.000 MHz crystal */
-	at91sam9260_initialize(12000000);
+	at91_initialize(12000000);
 
 	/* DBGU on ttyS0. (Rx & Tx only) */
 	at91_register_uart(0, 0, 0);
@@ -72,12 +72,6 @@ static void __init ek_init_early(void)
 
 }
 
-static void __init ek_init_irq(void)
-{
-	at91sam9260_init_interrupts(NULL);
-}
-
-
 /*
  * USB Host port
  */
@@ -269,8 +263,8 @@ static void __init ek_board_init(void)
 MACHINE_START(QIL_A9260, "CALAO QIL_A9260")
 	/* Maintainer: calao-systems */
 	.timer		= &at91sam926x_timer,
-	.map_io		= at91sam9260_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= ek_init_early,
-	.init_irq	= ek_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= ek_board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/board-rm9200dk.c b/arch/arm/mach-at91/board-rm9200dk.c
index aef9627710b0..6f08faadb474 100644
--- a/arch/arm/mach-at91/board-rm9200dk.c
+++ b/arch/arm/mach-at91/board-rm9200dk.c
@@ -48,7 +48,7 @@
 static void __init dk_init_early(void)
 {
 	/* Initialize processor: 18.432 MHz crystal */
-	at91rm9200_initialize(18432000);
+	at91_initialize(18432000);
 
 	/* Setup the LEDs */
 	at91_init_leds(AT91_PIN_PB2, AT91_PIN_PB2);
@@ -65,11 +65,6 @@ static void __init dk_init_early(void)
 	at91_set_serial_console(0);
 }
 
-static void __init dk_init_irq(void)
-{
-	at91rm9200_init_interrupts(NULL);
-}
-
 static struct at91_eth_data __initdata dk_eth_data = {
 	.phy_irq_pin	= AT91_PIN_PC4,
 	.is_rmii	= 1,
@@ -228,8 +223,8 @@ static void __init dk_board_init(void)
 MACHINE_START(AT91RM9200DK, "Atmel AT91RM9200-DK")
 	/* Maintainer: SAN People/Atmel */
 	.timer		= &at91rm9200_timer,
-	.map_io		= at91rm9200_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= dk_init_early,
-	.init_irq	= dk_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= dk_board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/board-rm9200ek.c b/arch/arm/mach-at91/board-rm9200ek.c
index 015a02183080..85bcccd7b9e4 100644
--- a/arch/arm/mach-at91/board-rm9200ek.c
+++ b/arch/arm/mach-at91/board-rm9200ek.c
@@ -48,7 +48,7 @@
 static void __init ek_init_early(void)
 {
 	/* Initialize processor: 18.432 MHz crystal */
-	at91rm9200_initialize(18432000);
+	at91_initialize(18432000);
 
 	/* Setup the LEDs */
 	at91_init_leds(AT91_PIN_PB1, AT91_PIN_PB2);
@@ -65,11 +65,6 @@ static void __init ek_init_early(void)
 	at91_set_serial_console(0);
 }
 
-static void __init ek_init_irq(void)
-{
-	at91rm9200_init_interrupts(NULL);
-}
-
 static struct at91_eth_data __initdata ek_eth_data = {
 	.phy_irq_pin	= AT91_PIN_PC4,
 	.is_rmii	= 1,
@@ -194,8 +189,8 @@ static void __init ek_board_init(void)
 MACHINE_START(AT91RM9200EK, "Atmel AT91RM9200-EK")
 	/* Maintainer: SAN People/Atmel */
 	.timer		= &at91rm9200_timer,
-	.map_io		= at91rm9200_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= ek_init_early,
-	.init_irq	= ek_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= ek_board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/board-sam9-l9260.c b/arch/arm/mach-at91/board-sam9-l9260.c
index aaf1bf0989b3..4d3a02f1289e 100644
--- a/arch/arm/mach-at91/board-sam9-l9260.c
+++ b/arch/arm/mach-at91/board-sam9-l9260.c
@@ -47,7 +47,7 @@
 static void __init ek_init_early(void)
 {
 	/* Initialize processor: 18.432 MHz crystal */
-	at91sam9260_initialize(18432000);
+	at91_initialize(18432000);
 
 	/* Setup the LEDs */
 	at91_init_leds(AT91_PIN_PA9, AT91_PIN_PA6);
@@ -67,12 +67,6 @@ static void __init ek_init_early(void)
 	at91_set_serial_console(0);
 }
 
-static void __init ek_init_irq(void)
-{
-	at91sam9260_init_interrupts(NULL);
-}
-
-
 /*
  * USB Host port
  */
@@ -213,8 +207,8 @@ static void __init ek_board_init(void)
 MACHINE_START(SAM9_L9260, "Olimex SAM9-L9260")
 	/* Maintainer: Olimex */
 	.timer		= &at91sam926x_timer,
-	.map_io		= at91sam9260_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= ek_init_early,
-	.init_irq	= ek_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= ek_board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/board-sam9260ek.c b/arch/arm/mach-at91/board-sam9260ek.c
index 5c240743c5b7..8a50c3e67186 100644
--- a/arch/arm/mach-at91/board-sam9260ek.c
+++ b/arch/arm/mach-at91/board-sam9260ek.c
@@ -53,7 +53,7 @@
 static void __init ek_init_early(void)
 {
 	/* Initialize processor: 18.432 MHz crystal */
-	at91sam9260_initialize(18432000);
+	at91_initialize(18432000);
 
 	/* DBGU on ttyS0. (Rx & Tx only) */
 	at91_register_uart(0, 0, 0);
@@ -70,12 +70,6 @@ static void __init ek_init_early(void)
 	at91_set_serial_console(0);
 }
 
-static void __init ek_init_irq(void)
-{
-	at91sam9260_init_interrupts(NULL);
-}
-
-
 /*
  * USB Host port
  */
@@ -354,8 +348,8 @@ static void __init ek_board_init(void)
 MACHINE_START(AT91SAM9260EK, "Atmel AT91SAM9260-EK")
 	/* Maintainer: Atmel */
 	.timer		= &at91sam926x_timer,
-	.map_io		= at91sam9260_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= ek_init_early,
-	.init_irq	= ek_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= ek_board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/board-sam9261ek.c b/arch/arm/mach-at91/board-sam9261ek.c
index b60c22b6e241..5096a0ec50c1 100644
--- a/arch/arm/mach-at91/board-sam9261ek.c
+++ b/arch/arm/mach-at91/board-sam9261ek.c
@@ -57,7 +57,7 @@
 static void __init ek_init_early(void)
 {
 	/* Initialize processor: 18.432 MHz crystal */
-	at91sam9261_initialize(18432000);
+	at91_initialize(18432000);
 
 	/* Setup the LEDs */
 	at91_init_leds(AT91_PIN_PA13, AT91_PIN_PA14);
@@ -69,12 +69,6 @@ static void __init ek_init_early(void)
 	at91_set_serial_console(0);
 }
 
-static void __init ek_init_irq(void)
-{
-	at91sam9261_init_interrupts(NULL);
-}
-
-
 /*
  * DM9000 ethernet device
  */
@@ -621,8 +615,8 @@ MACHINE_START(AT91SAM9G10EK, "Atmel AT91SAM9G10-EK")
 #endif
 	/* Maintainer: Atmel */
 	.timer		= &at91sam926x_timer,
-	.map_io		= at91sam9261_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= ek_init_early,
-	.init_irq	= ek_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= ek_board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/board-sam9263ek.c b/arch/arm/mach-at91/board-sam9263ek.c
index 9bbdc92ea194..ea8f185d3b9d 100644
--- a/arch/arm/mach-at91/board-sam9263ek.c
+++ b/arch/arm/mach-at91/board-sam9263ek.c
@@ -56,7 +56,7 @@
 static void __init ek_init_early(void)
 {
 	/* Initialize processor: 16.367 MHz crystal */
-	at91sam9263_initialize(16367660);
+	at91_initialize(16367660);
 
 	/* DBGU on ttyS0. (Rx & Tx only) */
 	at91_register_uart(0, 0, 0);
@@ -68,12 +68,6 @@ static void __init ek_init_early(void)
 	at91_set_serial_console(0);
 }
 
-static void __init ek_init_irq(void)
-{
-	at91sam9263_init_interrupts(NULL);
-}
-
-
 /*
  * USB Host port
  */
@@ -452,8 +446,8 @@ static void __init ek_board_init(void)
 MACHINE_START(AT91SAM9263EK, "Atmel AT91SAM9263-EK")
 	/* Maintainer: Atmel */
 	.timer		= &at91sam926x_timer,
-	.map_io		= at91sam9263_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= ek_init_early,
-	.init_irq	= ek_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= ek_board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/board-sam9g20ek.c b/arch/arm/mach-at91/board-sam9g20ek.c
index 1325a50101a8..817f59d7251b 100644
--- a/arch/arm/mach-at91/board-sam9g20ek.c
+++ b/arch/arm/mach-at91/board-sam9g20ek.c
@@ -64,7 +64,7 @@ static int inline ek_have_2mmc(void)
 static void __init ek_init_early(void)
 {
 	/* Initialize processor: 18.432 MHz crystal */
-	at91sam9260_initialize(18432000);
+	at91_initialize(18432000);
 
 	/* DBGU on ttyS0. (Rx & Tx only) */
 	at91_register_uart(0, 0, 0);
@@ -81,12 +81,6 @@ static void __init ek_init_early(void)
 	at91_set_serial_console(0);
 }
 
-static void __init ek_init_irq(void)
-{
-	at91sam9260_init_interrupts(NULL);
-}
-
-
 /*
  * USB Host port
  */
@@ -404,17 +398,17 @@ static void __init ek_board_init(void)
 MACHINE_START(AT91SAM9G20EK, "Atmel AT91SAM9G20-EK")
 	/* Maintainer: Atmel */
 	.timer		= &at91sam926x_timer,
-	.map_io		= at91sam9260_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= ek_init_early,
-	.init_irq	= ek_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= ek_board_init,
 MACHINE_END
 
 MACHINE_START(AT91SAM9G20EK_2MMC, "Atmel AT91SAM9G20-EK 2 MMC Slot Mod")
 	/* Maintainer: Atmel */
 	.timer		= &at91sam926x_timer,
-	.map_io		= at91sam9260_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= ek_init_early,
-	.init_irq	= ek_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= ek_board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/board-sam9m10g45ek.c b/arch/arm/mach-at91/board-sam9m10g45ek.c
index 33eaa135f248..ad234ccbf57e 100644
--- a/arch/arm/mach-at91/board-sam9m10g45ek.c
+++ b/arch/arm/mach-at91/board-sam9m10g45ek.c
@@ -50,7 +50,7 @@
 static void __init ek_init_early(void)
 {
 	/* Initialize processor: 12.000 MHz crystal */
-	at91sam9g45_initialize(12000000);
+	at91_initialize(12000000);
 
 	/* DGBU on ttyS0. (Rx & Tx only) */
 	at91_register_uart(0, 0, 0);
@@ -63,12 +63,6 @@ static void __init ek_init_early(void)
 	at91_set_serial_console(0);
 }
 
-static void __init ek_init_irq(void)
-{
-	at91sam9g45_init_interrupts(NULL);
-}
-
-
 /*
  * USB HS Host port (common to OHCI & EHCI)
  */
@@ -422,8 +416,8 @@ static void __init ek_board_init(void)
 MACHINE_START(AT91SAM9M10G45EK, "Atmel AT91SAM9M10G45-EK")
 	/* Maintainer: Atmel */
 	.timer		= &at91sam926x_timer,
-	.map_io		= at91sam9g45_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= ek_init_early,
-	.init_irq	= ek_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= ek_board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/board-sam9rlek.c b/arch/arm/mach-at91/board-sam9rlek.c
index effb399a80a6..4f14b54b93a8 100644
--- a/arch/arm/mach-at91/board-sam9rlek.c
+++ b/arch/arm/mach-at91/board-sam9rlek.c
@@ -41,7 +41,7 @@
 static void __init ek_init_early(void)
 {
 	/* Initialize processor: 12.000 MHz crystal */
-	at91sam9rl_initialize(12000000);
+	at91_initialize(12000000);
 
 	/* DBGU on ttyS0. (Rx & Tx only) */
 	at91_register_uart(0, 0, 0);
@@ -53,12 +53,6 @@ static void __init ek_init_early(void)
 	at91_set_serial_console(0);
 }
 
-static void __init ek_init_irq(void)
-{
-	at91sam9rl_init_interrupts(NULL);
-}
-
-
 /*
  * USB HS Device port
  */
@@ -330,8 +324,8 @@ static void __init ek_board_init(void)
 MACHINE_START(AT91SAM9RLEK, "Atmel AT91SAM9RL-EK")
 	/* Maintainer: Atmel */
 	.timer		= &at91sam926x_timer,
-	.map_io		= at91sam9rl_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= ek_init_early,
-	.init_irq	= ek_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= ek_board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/board-snapper9260.c b/arch/arm/mach-at91/board-snapper9260.c
index 6010ce16b3cf..c73d25e5faea 100644
--- a/arch/arm/mach-at91/board-snapper9260.c
+++ b/arch/arm/mach-at91/board-snapper9260.c
@@ -42,7 +42,7 @@
 
 static void __init snapper9260_init_early(void)
 {
-	at91sam9260_initialize(18432000);
+	at91_initialize(18432000);
 
 	/* Debug on ttyS0 */
 	at91_register_uart(0, 0, 0);
@@ -55,11 +55,6 @@ static void __init snapper9260_init_early(void)
 	at91_register_uart(AT91SAM9260_ID_US2, 3, 0);
 }
 
-static void __init snapper9260_init_irq(void)
-{
-	at91sam9260_init_interrupts(NULL);
-}
-
 static struct at91_usbh_data __initdata snapper9260_usbh_data = {
 	.ports		= 2,
 };
@@ -179,9 +174,9 @@ static void __init snapper9260_board_init(void)
 
 MACHINE_START(SNAPPER_9260, "Bluewater Systems Snapper 9260/9G20 module")
 	.timer		= &at91sam926x_timer,
-	.map_io		= at91sam9260_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= snapper9260_init_early,
-	.init_irq	= snapper9260_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= snapper9260_board_init,
 MACHINE_END
 
diff --git a/arch/arm/mach-at91/board-stamp9g20.c b/arch/arm/mach-at91/board-stamp9g20.c
index 5e5c85688f5f..936e5fd7f406 100644
--- a/arch/arm/mach-at91/board-stamp9g20.c
+++ b/arch/arm/mach-at91/board-stamp9g20.c
@@ -35,7 +35,7 @@
 void __init stamp9g20_init_early(void)
 {
 	/* Initialize processor: 18.432 MHz crystal */
-	at91sam9260_initialize(18432000);
+	at91_initialize(18432000);
 
 	/* DGBU on ttyS0. (Rx & Tx only) */
 	at91_register_uart(0, 0, 0);
@@ -76,12 +76,6 @@ static void __init portuxg20_init_early(void)
 	at91_register_uart(AT91SAM9260_ID_US5, 6, 0);
 }
 
-static void __init init_irq(void)
-{
-	at91sam9260_init_interrupts(NULL);
-}
-
-
 /*
  * NAND flash
  */
@@ -299,17 +293,17 @@ static void __init stamp9g20evb_board_init(void)
 MACHINE_START(PORTUXG20, "taskit PortuxG20")
 	/* Maintainer: taskit GmbH */
 	.timer		= &at91sam926x_timer,
-	.map_io		= at91sam9260_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= portuxg20_init_early,
-	.init_irq	= init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= portuxg20_board_init,
 MACHINE_END
 
 MACHINE_START(STAMP9G20, "taskit Stamp9G20")
 	/* Maintainer: taskit GmbH */
 	.timer		= &at91sam926x_timer,
-	.map_io		= at91sam9260_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= stamp9g20evb_init_early,
-	.init_irq	= init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= stamp9g20evb_board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/board-usb-a9260.c b/arch/arm/mach-at91/board-usb-a9260.c
index 0e784e6fedec..8c4c1a02c4be 100644
--- a/arch/arm/mach-at91/board-usb-a9260.c
+++ b/arch/arm/mach-at91/board-usb-a9260.c
@@ -51,7 +51,7 @@
 static void __init ek_init_early(void)
 {
 	/* Initialize processor: 12.000 MHz crystal */
-	at91sam9260_initialize(12000000);
+	at91_initialize(12000000);
 
 	/* DBGU on ttyS0. (Rx & Tx only) */
 	at91_register_uart(0, 0, 0);
@@ -60,12 +60,6 @@ static void __init ek_init_early(void)
 	at91_set_serial_console(0);
 }
 
-static void __init ek_init_irq(void)
-{
-	at91sam9260_init_interrupts(NULL);
-}
-
-
 /*
  * USB Host port
  */
@@ -229,8 +223,8 @@ static void __init ek_board_init(void)
 MACHINE_START(USB_A9260, "CALAO USB_A9260")
 	/* Maintainer: calao-systems */
 	.timer		= &at91sam926x_timer,
-	.map_io		= at91sam9260_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= ek_init_early,
-	.init_irq	= ek_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= ek_board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/board-usb-a9263.c b/arch/arm/mach-at91/board-usb-a9263.c
index cf626dd14b2c..25e793782a4e 100644
--- a/arch/arm/mach-at91/board-usb-a9263.c
+++ b/arch/arm/mach-at91/board-usb-a9263.c
@@ -50,7 +50,7 @@
 static void __init ek_init_early(void)
 {
 	/* Initialize processor: 12.00 MHz crystal */
-	at91sam9263_initialize(12000000);
+	at91_initialize(12000000);
 
 	/* DBGU on ttyS0. (Rx & Tx only) */
 	at91_register_uart(0, 0, 0);
@@ -59,12 +59,6 @@ static void __init ek_init_early(void)
 	at91_set_serial_console(0);
 }
 
-static void __init ek_init_irq(void)
-{
-	at91sam9263_init_interrupts(NULL);
-}
-
-
 /*
  * USB Host port
  */
@@ -245,8 +239,8 @@ static void __init ek_board_init(void)
 MACHINE_START(USB_A9263, "CALAO USB_A9263")
 	/* Maintainer: calao-systems */
 	.timer		= &at91sam926x_timer,
-	.map_io		= at91sam9263_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= ek_init_early,
-	.init_irq	= ek_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= ek_board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/board-yl-9200.c b/arch/arm/mach-at91/board-yl-9200.c
index c208cc334d7d..95edcbd2aec6 100644
--- a/arch/arm/mach-at91/board-yl-9200.c
+++ b/arch/arm/mach-at91/board-yl-9200.c
@@ -56,7 +56,7 @@ static void __init yl9200_init_early(void)
 	at91rm9200_set_type(ARCH_REVISON_9200_PQFP);
 
 	/* Initialize processor: 18.432 MHz crystal */
-	at91rm9200_initialize(18432000);
+	at91_initialize(18432000);
 
 	/* Setup the LEDs D2=PB17 (timer), D3=PB16 (cpu) */
 	at91_init_leds(AT91_PIN_PB16, AT91_PIN_PB17);
@@ -79,12 +79,6 @@ static void __init yl9200_init_early(void)
 	at91_set_serial_console(0);
 }
 
-static void __init yl9200_init_irq(void)
-{
-	at91rm9200_init_interrupts(NULL);
-}
-
-
 /*
  * LEDs
  */
@@ -599,8 +593,8 @@ static void __init yl9200_board_init(void)
 MACHINE_START(YL9200, "uCdragon YL-9200")
 	/* Maintainer: S.Birtles */
 	.timer		= &at91rm9200_timer,
-	.map_io		= at91rm9200_map_io,
+	.map_io		= at91_map_io,
 	.init_early	= yl9200_init_early,
-	.init_irq	= yl9200_init_irq,
+	.init_irq	= at91_init_irq_default,
 	.init_machine	= yl9200_board_init,
 MACHINE_END
diff --git a/arch/arm/mach-at91/generic.h b/arch/arm/mach-at91/generic.h
index 8ff3418f3430..938b34f57741 100644
--- a/arch/arm/mach-at91/generic.h
+++ b/arch/arm/mach-at91/generic.h
@@ -11,35 +11,19 @@
 #include <linux/clkdev.h>
 
  /* Map io */
-extern void __init at91rm9200_map_io(void);
-extern void __init at91sam9260_map_io(void);
-extern void __init at91sam9261_map_io(void);
-extern void __init at91sam9263_map_io(void);
-extern void __init at91sam9rl_map_io(void);
-extern void __init at91sam9g45_map_io(void);
-extern void __init at91x40_map_io(void);
-extern void __init at91cap9_map_io(void);
+extern void __init at91_map_io(void);
+extern void __init at91_init_sram(int bank, unsigned long base,
+				  unsigned int length);
 
  /* Processors */
 extern void __init at91rm9200_set_type(int type);
-extern void __init at91rm9200_initialize(unsigned long main_clock);
-extern void __init at91sam9260_initialize(unsigned long main_clock);
-extern void __init at91sam9261_initialize(unsigned long main_clock);
-extern void __init at91sam9263_initialize(unsigned long main_clock);
-extern void __init at91sam9rl_initialize(unsigned long main_clock);
-extern void __init at91sam9g45_initialize(unsigned long main_clock);
+extern void __init at91_initialize(unsigned long main_clock);
 extern void __init at91x40_initialize(unsigned long main_clock);
-extern void __init at91cap9_initialize(unsigned long main_clock);
 
  /* Interrupts */
-extern void __init at91rm9200_init_interrupts(unsigned int priority[]);
-extern void __init at91sam9260_init_interrupts(unsigned int priority[]);
-extern void __init at91sam9261_init_interrupts(unsigned int priority[]);
-extern void __init at91sam9263_init_interrupts(unsigned int priority[]);
-extern void __init at91sam9rl_init_interrupts(unsigned int priority[]);
-extern void __init at91sam9g45_init_interrupts(unsigned int priority[]);
+extern void __init at91_init_irq_default(void);
+extern void __init at91_init_interrupts(unsigned int priority[]);
 extern void __init at91x40_init_interrupts(unsigned int priority[]);
-extern void __init at91cap9_init_interrupts(unsigned int priority[]);
 extern void __init at91_aic_init(unsigned int priority[]);
 
  /* Timer */
@@ -49,7 +33,6 @@ extern struct sys_timer at91sam926x_timer;
 extern struct sys_timer at91x40_timer;
 
  /* Clocks */
-extern int __init at91_clock_init(unsigned long main_clock);
 /*
  * function to specify the clock of the default console. As we do not
  * use the device/driver bus, the dev_name is not intialize. So we need
@@ -62,6 +45,11 @@ extern void __init at91sam9263_set_console_clock(int id);
 extern void __init at91sam9rl_set_console_clock(int id);
 extern void __init at91sam9g45_set_console_clock(int id);
 extern void __init at91cap9_set_console_clock(int id);
+#ifdef CONFIG_AT91_PMC_UNIT
+extern int __init at91_clock_init(unsigned long main_clock);
+#else
+static int inline at91_clock_init(unsigned long main_clock) { return 0; }
+#endif
 struct device;
 
  /* Power Management */
diff --git a/arch/arm/mach-at91/include/mach/at91_dbgu.h b/arch/arm/mach-at91/include/mach/at91_dbgu.h
index 6dcaa7716871..dbfe455a4c41 100644
--- a/arch/arm/mach-at91/include/mach/at91_dbgu.h
+++ b/arch/arm/mach-at91/include/mach/at91_dbgu.h
@@ -16,22 +16,25 @@
 #ifndef AT91_DBGU_H
 #define AT91_DBGU_H
 
+#define dbgu_readl(dbgu, field) \
+	__raw_readl(AT91_VA_BASE_SYS + dbgu + AT91_DBGU_ ## field)
+
 #ifdef AT91_DBGU
-#define AT91_DBGU_CR		(AT91_DBGU + 0x00)	/* Control Register */
-#define AT91_DBGU_MR		(AT91_DBGU + 0x04)	/* Mode Register */
-#define AT91_DBGU_IER		(AT91_DBGU + 0x08)	/* Interrupt Enable Register */
+#define AT91_DBGU_CR		(0x00)	/* Control Register */
+#define AT91_DBGU_MR		(0x04)	/* Mode Register */
+#define AT91_DBGU_IER		(0x08)	/* Interrupt Enable Register */
 #define		AT91_DBGU_TXRDY		(1 << 1)		/* Transmitter Ready */
 #define		AT91_DBGU_TXEMPTY	(1 << 9)		/* Transmitter Empty */
-#define AT91_DBGU_IDR		(AT91_DBGU + 0x0c)	/* Interrupt Disable Register */
-#define AT91_DBGU_IMR		(AT91_DBGU + 0x10)	/* Interrupt Mask Register */
-#define AT91_DBGU_SR		(AT91_DBGU + 0x14)	/* Status Register */
-#define AT91_DBGU_RHR		(AT91_DBGU + 0x18)	/* Receiver Holding Register */
-#define AT91_DBGU_THR		(AT91_DBGU + 0x1c)	/* Transmitter Holding Register */
-#define AT91_DBGU_BRGR		(AT91_DBGU + 0x20)	/* Baud Rate Generator Register */
+#define AT91_DBGU_IDR		(0x0c)	/* Interrupt Disable Register */
+#define AT91_DBGU_IMR		(0x10)	/* Interrupt Mask Register */
+#define AT91_DBGU_SR		(0x14)	/* Status Register */
+#define AT91_DBGU_RHR		(0x18)	/* Receiver Holding Register */
+#define AT91_DBGU_THR		(0x1c)	/* Transmitter Holding Register */
+#define AT91_DBGU_BRGR		(0x20)	/* Baud Rate Generator Register */
 
-#define AT91_DBGU_CIDR		(AT91_DBGU + 0x40)	/* Chip ID Register */
-#define AT91_DBGU_EXID		(AT91_DBGU + 0x44)	/* Chip ID Extension Register */
-#define AT91_DBGU_FNR		(AT91_DBGU + 0x48)	/* Force NTRST Register [SAM9 only] */
+#define AT91_DBGU_CIDR		(0x40)	/* Chip ID Register */
+#define AT91_DBGU_EXID		(0x44)	/* Chip ID Extension Register */
+#define AT91_DBGU_FNR		(0x48)	/* Force NTRST Register [SAM9 only] */
 #define		AT91_DBGU_FNTRST	(1 << 0)		/* Force NTRST */
 
 #endif /* AT91_DBGU */
diff --git a/arch/arm/mach-at91/include/mach/at91cap9.h b/arch/arm/mach-at91/include/mach/at91cap9.h
index 665993849a7b..c5df1e8f1955 100644
--- a/arch/arm/mach-at91/include/mach/at91cap9.h
+++ b/arch/arm/mach-at91/include/mach/at91cap9.h
@@ -75,7 +75,6 @@
 #define AT91CAP9_BASE_EMAC		0xfffbc000
 #define AT91CAP9_BASE_ADC		0xfffc0000
 #define AT91CAP9_BASE_ISI		0xfffc4000
-#define AT91_BASE_SYS			0xffffe200
 
 /*
  * System Peripherals (offset from AT91_BASE_SYS)
diff --git a/arch/arm/mach-at91/include/mach/at91rm9200.h b/arch/arm/mach-at91/include/mach/at91rm9200.h
index 99e0f8d02d7b..e4037b500302 100644
--- a/arch/arm/mach-at91/include/mach/at91rm9200.h
+++ b/arch/arm/mach-at91/include/mach/at91rm9200.h
@@ -74,7 +74,6 @@
 #define AT91RM9200_BASE_SSC1	0xfffd4000
 #define AT91RM9200_BASE_SSC2	0xfffd8000
 #define AT91RM9200_BASE_SPI	0xfffe0000
-#define AT91_BASE_SYS		0xfffff000
 
 
 /*
diff --git a/arch/arm/mach-at91/include/mach/at91sam9260.h b/arch/arm/mach-at91/include/mach/at91sam9260.h
index 8b6bf835cd73..9a791165913f 100644
--- a/arch/arm/mach-at91/include/mach/at91sam9260.h
+++ b/arch/arm/mach-at91/include/mach/at91sam9260.h
@@ -76,7 +76,6 @@
 #define AT91SAM9260_BASE_TC4		0xfffdc040
 #define AT91SAM9260_BASE_TC5		0xfffdc080
 #define AT91SAM9260_BASE_ADC		0xfffe0000
-#define AT91_BASE_SYS			0xffffe800
 
 /*
  * System Peripherals (offset from AT91_BASE_SYS)
diff --git a/arch/arm/mach-at91/include/mach/at91sam9261.h b/arch/arm/mach-at91/include/mach/at91sam9261.h
index eafbddaf523c..ce596204cefa 100644
--- a/arch/arm/mach-at91/include/mach/at91sam9261.h
+++ b/arch/arm/mach-at91/include/mach/at91sam9261.h
@@ -60,7 +60,6 @@
 #define AT91SAM9261_BASE_SSC2		0xfffc4000
 #define AT91SAM9261_BASE_SPI0		0xfffc8000
 #define AT91SAM9261_BASE_SPI1		0xfffcc000
-#define AT91_BASE_SYS			0xffffea00
 
 
 /*
diff --git a/arch/arm/mach-at91/include/mach/at91sam9263.h b/arch/arm/mach-at91/include/mach/at91sam9263.h
index e2d348213a7b..f1b92961a2b1 100644
--- a/arch/arm/mach-at91/include/mach/at91sam9263.h
+++ b/arch/arm/mach-at91/include/mach/at91sam9263.h
@@ -70,7 +70,6 @@
 #define AT91SAM9263_BASE_EMAC		0xfffbc000
 #define AT91SAM9263_BASE_ISI		0xfffc4000
 #define AT91SAM9263_BASE_2DGE		0xfffc8000
-#define AT91_BASE_SYS			0xffffe000
 
 /*
  * System Peripherals (offset from AT91_BASE_SYS)
diff --git a/arch/arm/mach-at91/include/mach/at91sam9g45.h b/arch/arm/mach-at91/include/mach/at91sam9g45.h
index 659304aa73d9..2c611b9a0138 100644
--- a/arch/arm/mach-at91/include/mach/at91sam9g45.h
+++ b/arch/arm/mach-at91/include/mach/at91sam9g45.h
@@ -82,7 +82,6 @@
 #define AT91SAM9G45_BASE_TC3		0xfffd4000
 #define AT91SAM9G45_BASE_TC4		0xfffd4040
 #define AT91SAM9G45_BASE_TC5		0xfffd4080
-#define AT91_BASE_SYS			0xffffe200
 
 /*
  * System Peripherals (offset from AT91_BASE_SYS)
diff --git a/arch/arm/mach-at91/include/mach/at91sam9rl.h b/arch/arm/mach-at91/include/mach/at91sam9rl.h
index 41dbbe61055c..1aabacd315d4 100644
--- a/arch/arm/mach-at91/include/mach/at91sam9rl.h
+++ b/arch/arm/mach-at91/include/mach/at91sam9rl.h
@@ -64,7 +64,6 @@
 #define AT91SAM9RL_BASE_TSC	0xfffd0000
 #define AT91SAM9RL_BASE_UDPHS	0xfffd4000
 #define AT91SAM9RL_BASE_AC97C	0xfffd8000
-#define AT91_BASE_SYS		0xffffc000
 
 
 /*
diff --git a/arch/arm/mach-at91/include/mach/cpu.h b/arch/arm/mach-at91/include/mach/cpu.h
index df966c2bc2d4..f6ce936dba2b 100644
--- a/arch/arm/mach-at91/include/mach/cpu.h
+++ b/arch/arm/mach-at91/include/mach/cpu.h
@@ -1,7 +1,8 @@
 /*
  * arch/arm/mach-at91/include/mach/cpu.h
  *
- *  Copyright (C) 2006 SAN People
+ * Copyright (C) 2006 SAN People
+ * Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -10,12 +11,8 @@
  *
  */
 
-#ifndef __ASM_ARCH_CPU_H
-#define __ASM_ARCH_CPU_H
-
-#include <mach/hardware.h>
-#include <mach/at91_dbgu.h>
-
+#ifndef __MACH_CPU_H__
+#define __MACH_CPU_H__
 
 #define ARCH_ID_AT91RM9200	0x09290780
 #define ARCH_ID_AT91SAM9260	0x019803a0
@@ -39,16 +36,6 @@
 #define ARCH_ID_AT91M40807	0x14080745
 #define ARCH_ID_AT91R40008	0x44000840
 
-static inline unsigned long at91_cpu_identify(void)
-{
-	return (at91_sys_read(AT91_DBGU_CIDR) & ~AT91_CIDR_VERSION);
-}
-
-static inline unsigned long at91_cpu_fully_identify(void)
-{
-	return at91_sys_read(AT91_DBGU_CIDR);
-}
-
 #define ARCH_EXID_AT91SAM9M11	0x00000001
 #define ARCH_EXID_AT91SAM9M10	0x00000002
 #define ARCH_EXID_AT91SAM9G46	0x00000003
@@ -60,40 +47,80 @@ static inline unsigned long at91_cpu_fully_identify(void)
 #define ARCH_EXID_AT91SAM9G25	0x00000003
 #define ARCH_EXID_AT91SAM9X25	0x00000004
 
-static inline unsigned long at91_exid_identify(void)
-{
-	return at91_sys_read(AT91_DBGU_EXID);
-}
-
-
 #define ARCH_FAMILY_AT91X92	0x09200000
 #define ARCH_FAMILY_AT91SAM9	0x01900000
 #define ARCH_FAMILY_AT91SAM9XE	0x02900000
 
-static inline unsigned long at91_arch_identify(void)
-{
-	return (at91_sys_read(AT91_DBGU_CIDR) & AT91_CIDR_ARCH);
-}
-
-#ifdef CONFIG_ARCH_AT91CAP9
-#include <mach/at91_pmc.h>
-
+/* PMC revision */
 #define ARCH_REVISION_CAP9_B	0x399
 #define ARCH_REVISION_CAP9_C	0x601
 
-static inline unsigned long at91cap9_rev_identify(void)
-{
-	return (at91_sys_read(AT91_PMC_VER));
-}
-#endif
-
-#ifdef CONFIG_ARCH_AT91RM9200
-extern int rm9200_type;
+/* RM9200 type */
 #define ARCH_REVISON_9200_BGA	(0 << 0)
 #define ARCH_REVISON_9200_PQFP	(1 << 0)
-#define cpu_is_at91rm9200()	(at91_cpu_identify() == ARCH_ID_AT91RM9200)
-#define cpu_is_at91rm9200_bga()	(!cpu_is_at91rm9200_pqfp())
-#define cpu_is_at91rm9200_pqfp() (cpu_is_at91rm9200() && rm9200_type & ARCH_REVISON_9200_PQFP)
+
+enum at91_soc_type {
+	/* 920T */
+	AT91_SOC_RM9200,
+
+	/* CAP */
+	AT91_SOC_CAP9,
+
+	/* SAM92xx */
+	AT91_SOC_SAM9260, AT91_SOC_SAM9261, AT91_SOC_SAM9263,
+
+	/* SAM9Gxx */
+	AT91_SOC_SAM9G10, AT91_SOC_SAM9G20, AT91_SOC_SAM9G45,
+
+	/* SAM9RL */
+	AT91_SOC_SAM9RL,
+
+	/* SAM9X5 */
+	AT91_SOC_SAM9X5,
+
+	/* Unknown type */
+	AT91_SOC_NONE
+};
+
+enum at91_soc_subtype {
+	/* RM9200 */
+	AT91_SOC_RM9200_BGA, AT91_SOC_RM9200_PQFP,
+
+	/* CAP9 */
+	AT91_SOC_CAP9_REV_B, AT91_SOC_CAP9_REV_C,
+
+	/* SAM9260 */
+	AT91_SOC_SAM9XE,
+
+	/* SAM9G45 */
+	AT91_SOC_SAM9G45ES, AT91_SOC_SAM9M10, AT91_SOC_SAM9G46, AT91_SOC_SAM9M11,
+
+	/* SAM9X5 */
+	AT91_SOC_SAM9G15, AT91_SOC_SAM9G35, AT91_SOC_SAM9X35,
+	AT91_SOC_SAM9G25, AT91_SOC_SAM9X25,
+
+	/* Unknown subtype */
+	AT91_SOC_SUBTYPE_NONE
+};
+
+struct at91_socinfo {
+	unsigned int type, subtype;
+	unsigned int cidr, exid;
+};
+
+extern struct at91_socinfo at91_soc_initdata;
+const char *at91_get_soc_type(struct at91_socinfo *c);
+const char *at91_get_soc_subtype(struct at91_socinfo *c);
+
+static inline int at91_soc_is_detected(void)
+{
+	return at91_soc_initdata.type != AT91_SOC_NONE;
+}
+
+#ifdef CONFIG_ARCH_AT91RM9200
+#define cpu_is_at91rm9200()	(at91_soc_initdata.type == AT91_SOC_RM9200)
+#define cpu_is_at91rm9200_bga()	(at91_soc_initdata.subtype == AT91_SOC_RM9200_BGA)
+#define cpu_is_at91rm9200_pqfp() (at91_soc_initdata.subtype == AT91_SOC_RM9200_PQFP)
 #else
 #define cpu_is_at91rm9200()	(0)
 #define cpu_is_at91rm9200_bga()	(0)
@@ -101,52 +128,49 @@ extern int rm9200_type;
 #endif
 
 #ifdef CONFIG_ARCH_AT91SAM9260
-#define cpu_is_at91sam9xe()	(at91_arch_identify() == ARCH_FAMILY_AT91SAM9XE)
-#define cpu_is_at91sam9260()	((at91_cpu_identify() == ARCH_ID_AT91SAM9260) || cpu_is_at91sam9xe())
+#define cpu_is_at91sam9xe()	(at91_soc_initdata.subtype == AT91_SOC_SAM9XE)
+#define cpu_is_at91sam9260()	(at91_soc_initdata.type == AT91_SOC_SAM9260)
 #else
 #define cpu_is_at91sam9xe()	(0)
 #define cpu_is_at91sam9260()	(0)
 #endif
 
 #ifdef CONFIG_ARCH_AT91SAM9G20
-#define cpu_is_at91sam9g20()	(at91_cpu_identify() == ARCH_ID_AT91SAM9G20)
+#define cpu_is_at91sam9g20()	(at91_soc_initdata.type == AT91_SOC_SAM9G20)
 #else
 #define cpu_is_at91sam9g20()	(0)
 #endif
 
 #ifdef CONFIG_ARCH_AT91SAM9261
-#define cpu_is_at91sam9261()	(at91_cpu_identify() == ARCH_ID_AT91SAM9261)
+#define cpu_is_at91sam9261()	(at91_soc_initdata.type == AT91_SOC_SAM9261)
 #else
 #define cpu_is_at91sam9261()	(0)
 #endif
 
 #ifdef CONFIG_ARCH_AT91SAM9G10
-#define cpu_is_at91sam9g10()	((at91_cpu_identify() & ~AT91_CIDR_EXT)	== ARCH_ID_AT91SAM9G10)
+#define cpu_is_at91sam9g10()	(at91_soc_initdata.type == AT91_SOC_SAM9G10)
 #else
 #define cpu_is_at91sam9g10()	(0)
 #endif
 
 #ifdef CONFIG_ARCH_AT91SAM9263
-#define cpu_is_at91sam9263()	(at91_cpu_identify() == ARCH_ID_AT91SAM9263)
+#define cpu_is_at91sam9263()	(at91_soc_initdata.type == AT91_SOC_SAM9263)
 #else
 #define cpu_is_at91sam9263()	(0)
 #endif
 
 #ifdef CONFIG_ARCH_AT91SAM9RL
-#define cpu_is_at91sam9rl()	(at91_cpu_identify() == ARCH_ID_AT91SAM9RL64)
+#define cpu_is_at91sam9rl()	(at91_soc_initdata.type == AT91_SOC_SAM9RL)
 #else
 #define cpu_is_at91sam9rl()	(0)
 #endif
 
 #ifdef CONFIG_ARCH_AT91SAM9G45
-#define cpu_is_at91sam9g45()	(at91_cpu_identify() == ARCH_ID_AT91SAM9G45)
-#define cpu_is_at91sam9g45es()	(at91_cpu_fully_identify() == ARCH_ID_AT91SAM9G45ES)
-#define cpu_is_at91sam9m10()    (cpu_is_at91sam9g45() && \
-                                (at91_exid_identify() == ARCH_EXID_AT91SAM9M10))
-#define cpu_is_at91sam9m46()    (cpu_is_at91sam9g45() && \
-                                (at91_exid_identify() == ARCH_EXID_AT91SAM9G46))
-#define cpu_is_at91sam9m11()    (cpu_is_at91sam9g45() && \
-                                (at91_exid_identify() == ARCH_EXID_AT91SAM9M11))
+#define cpu_is_at91sam9g45()	(at91_soc_initdata.type == AT91_SOC_SAM9G45)
+#define cpu_is_at91sam9g45es()	(at91_soc_initdata.subtype == AT91_SOC_SAM9G45ES)
+#define cpu_is_at91sam9m10()	(at91_soc_initdata.subtype == AT91_SOC_SAM9M10)
+#define cpu_is_at91sam9g46()	(at91_soc_initdata.subtype == AT91_SOC_SAM9G46)
+#define cpu_is_at91sam9m11()	(at91_soc_initdata.subtype == AT91_SOC_SAM9M11)
 #else
 #define cpu_is_at91sam9g45()	(0)
 #define cpu_is_at91sam9g45es()	(0)
@@ -156,17 +180,12 @@ extern int rm9200_type;
 #endif
 
 #ifdef CONFIG_ARCH_AT91SAM9X5
-#define cpu_is_at91sam9x5()	(at91_cpu_identify() == ARCH_ID_AT91SAM9X5)
-#define cpu_is_at91sam9g15()	(cpu_is_at91sam9x5() && \
-				(at91_exid_identify() == ARCH_EXID_AT91SAM9G15))
-#define cpu_is_at91sam9g35()	(cpu_is_at91sam9x5() && \
-				(at91_exid_identify() == ARCH_EXID_AT91SAM9G35))
-#define cpu_is_at91sam9x35()	(cpu_is_at91sam9x5() && \
-				(at91_exid_identify() == ARCH_EXID_AT91SAM9X35))
-#define cpu_is_at91sam9g25()	(cpu_is_at91sam9x5() && \
-				(at91_exid_identify() == ARCH_EXID_AT91SAM9G25))
-#define cpu_is_at91sam9x25()	(cpu_is_at91sam9x5() && \
-				(at91_exid_identify() == ARCH_EXID_AT91SAM9X25))
+#define cpu_is_at91sam9x5()	(at91_soc_initdata.type == AT91_SOC_SAM9X5)
+#define cpu_is_at91sam9g15()	(at91_soc_initdata.subtype == AT91_SOC_SAM9G15)
+#define cpu_is_at91sam9g35()	(at91_soc_initdata.subtype == AT91_SOC_SAM9G35)
+#define cpu_is_at91sam9x35()	(at91_soc_initdata.subtype == AT91_SOC_SAM9X35)
+#define cpu_is_at91sam9g25()	(at91_soc_initdata.subtype == AT91_SOC_SAM9G25)
+#define cpu_is_at91sam9x25()	(at91_soc_initdata.subtype == AT91_SOC_SAM9X25)
 #else
 #define cpu_is_at91sam9x5()	(0)
 #define cpu_is_at91sam9g15()	(0)
@@ -177,9 +196,9 @@ extern int rm9200_type;
 #endif
 
 #ifdef CONFIG_ARCH_AT91CAP9
-#define cpu_is_at91cap9()	(at91_cpu_identify() == ARCH_ID_AT91CAP9)
-#define cpu_is_at91cap9_revB()	(at91cap9_rev_identify() == ARCH_REVISION_CAP9_B)
-#define cpu_is_at91cap9_revC()	(at91cap9_rev_identify() == ARCH_REVISION_CAP9_C)
+#define cpu_is_at91cap9()	(at91_soc_initdata.type == AT91_SOC_CAP9)
+#define cpu_is_at91cap9_revB()	(at91_soc_initdata.subtype == AT91_SOC_CAP9_REV_B)
+#define cpu_is_at91cap9_revC()	(at91_soc_initdata.subtype == AT91_SOC_CAP9_REV_C)
 #else
 #define cpu_is_at91cap9()	(0)
 #define cpu_is_at91cap9_revB()	(0)
@@ -192,4 +211,4 @@ extern int rm9200_type;
  */
 #define cpu_is_at32ap7000()	(0)
 
-#endif
+#endif /* __MACH_CPU_H__ */
diff --git a/arch/arm/mach-at91/include/mach/debug-macro.S b/arch/arm/mach-at91/include/mach/debug-macro.S
index 0f959faf74a9..bc1e0b2e2f4f 100644
--- a/arch/arm/mach-at91/include/mach/debug-macro.S
+++ b/arch/arm/mach-at91/include/mach/debug-macro.S
@@ -15,23 +15,23 @@
 #include <mach/at91_dbgu.h>
 
 	.macro	addruart, rp, rv
-	ldr	\rp, =(AT91_BASE_SYS + AT91_DBGU)		@ System peripherals (phys address)
-	ldr	\rv, =(AT91_VA_BASE_SYS	+ AT91_DBGU)		@ System peripherals (virt address)
+	ldr	\rp, =(AT91_BASE_SYS + AT91_DBGU)	@ System peripherals (phys address)
+	ldr	\rv, =(AT91_VA_BASE_SYS	+ AT91_DBGU)	@ System peripherals (virt address)
 	.endm
 
 	.macro	senduart,rd,rx
-	strb	\rd, [\rx, #(AT91_DBGU_THR - AT91_DBGU)]	@ Write to Transmitter Holding Register
+	strb	\rd, [\rx, #(AT91_DBGU_THR)]		@ Write to Transmitter Holding Register
 	.endm
 
 	.macro	waituart,rd,rx
-1001:	ldr	\rd, [\rx, #(AT91_DBGU_SR - AT91_DBGU)]		@ Read Status Register
-	tst	\rd, #AT91_DBGU_TXRDY				@ DBGU_TXRDY = 1 when ready to transmit
+1001:	ldr	\rd, [\rx, #(AT91_DBGU_SR)]		@ Read Status Register
+	tst	\rd, #AT91_DBGU_TXRDY			@ DBGU_TXRDY = 1 when ready to transmit
 	beq	1001b
 	.endm
 
 	.macro	busyuart,rd,rx
-1001:	ldr	\rd, [\rx, #(AT91_DBGU_SR - AT91_DBGU)]		@ Read Status Register
-	tst	\rd, #AT91_DBGU_TXEMPTY				@ DBGU_TXEMPTY = 1 when transmission complete
+1001:	ldr	\rd, [\rx, #(AT91_DBGU_SR)]		@ Read Status Register
+	tst	\rd, #AT91_DBGU_TXEMPTY			@ DBGU_TXEMPTY = 1 when transmission complete
 	beq	1001b
 	.endm
 
diff --git a/arch/arm/mach-at91/include/mach/hardware.h b/arch/arm/mach-at91/include/mach/hardware.h
index 1008b9fb5074..483478d8be6b 100644
--- a/arch/arm/mach-at91/include/mach/hardware.h
+++ b/arch/arm/mach-at91/include/mach/hardware.h
@@ -36,6 +36,20 @@
 #error "Unsupported AT91 processor"
 #endif
 
+#if !defined(CONFIG_ARCH_AT91X40)
+/*
+ * On all at91 except rm9200 and x40 have the System Controller starts
+ * at address 0xffffc000 and has a size of 16KiB.
+ *
+ * On rm9200 it's start at 0xfffe4000 of 111KiB with non reserved data starting
+ * at 0xfffff000
+ *
+ * Removes the individual definitions of AT91_BASE_SYS and
+ * replaces them with a common version at base 0xfffffc000 and size 16KiB
+ * and map the same memory space
+ */
+#define AT91_BASE_SYS	0xffffc000
+#endif
 
 /*
  * Peripheral identifiers/interrupts.
diff --git a/arch/arm/mach-at91/include/mach/io.h b/arch/arm/mach-at91/include/mach/io.h
index 0b0cccc46e68..4298e7806c76 100644
--- a/arch/arm/mach-at91/include/mach/io.h
+++ b/arch/arm/mach-at91/include/mach/io.h
@@ -21,14 +21,23 @@
 #ifndef __ASM_ARCH_IO_H
 #define __ASM_ARCH_IO_H
 
+#include <mach/hardware.h>
+
 #define IO_SPACE_LIMIT		0xFFFFFFFF
 
 #define __io(a)		__typesafe_io(a)
 #define __mem_pci(a)	(a)
 
-
 #ifndef __ASSEMBLY__
 
+#ifndef CONFIG_ARCH_AT91X40
+#define __arch_ioremap	at91_ioremap
+#define __arch_iounmap	at91_iounmap
+#endif
+
+void __iomem *at91_ioremap(unsigned long phys, size_t size, unsigned int type);
+void at91_iounmap(volatile void __iomem *addr);
+
 static inline unsigned int at91_sys_read(unsigned int reg_offset)
 {
 	void __iomem *addr = (void __iomem *)AT91_VA_BASE_SYS;
diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c
new file mode 100644
index 000000000000..aa64294c7db3
--- /dev/null
+++ b/arch/arm/mach-at91/setup.c
@@ -0,0 +1,297 @@
+/*
+ * Copyright (C) 2007 Atmel Corporation.
+ * Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
+ *
+ * Under GPLv2
+ */
+
+#include <linux/module.h>
+#include <linux/io.h>
+#include <linux/mm.h>
+
+#include <asm/mach/map.h>
+
+#include <mach/hardware.h>
+#include <mach/cpu.h>
+#include <mach/at91_dbgu.h>
+#include <mach/at91_pmc.h>
+
+#include "soc.h"
+#include "generic.h"
+
+struct at91_init_soc __initdata at91_boot_soc;
+
+struct at91_socinfo at91_soc_initdata;
+EXPORT_SYMBOL(at91_soc_initdata);
+
+void __init at91rm9200_set_type(int type)
+{
+	if (type == ARCH_REVISON_9200_PQFP)
+		at91_soc_initdata.subtype = AT91_SOC_RM9200_BGA;
+	else
+		at91_soc_initdata.subtype = AT91_SOC_RM9200_PQFP;
+}
+
+void __init at91_init_irq_default(void)
+{
+	at91_init_interrupts(at91_boot_soc.default_irq_priority);
+}
+
+void __init at91_init_interrupts(unsigned int *priority)
+{
+	/* Initialize the AIC interrupt controller */
+	at91_aic_init(priority);
+
+	/* Enable GPIO interrupts */
+	at91_gpio_irq_setup();
+}
+
+static struct map_desc sram_desc[2] __initdata;
+
+void __init at91_init_sram(int bank, unsigned long base, unsigned int length)
+{
+	struct map_desc *desc = &sram_desc[bank];
+
+	desc->virtual = AT91_IO_VIRT_BASE - length;
+	if (bank > 0)
+		desc->virtual -= sram_desc[bank - 1].length;
+
+	desc->pfn = __phys_to_pfn(base);
+	desc->length = length;
+	desc->type = MT_DEVICE;
+
+	pr_info("AT91: sram at 0x%lx of 0x%x mapped at 0x%lx\n",
+		base, length, desc->virtual);
+
+	iotable_init(desc, 1);
+}
+
+static struct map_desc at91_io_desc __initdata = {
+	.virtual	= AT91_VA_BASE_SYS,
+	.pfn		= __phys_to_pfn(AT91_BASE_SYS),
+	.length		= SZ_16K,
+	.type		= MT_DEVICE,
+};
+
+void __iomem *at91_ioremap(unsigned long p, size_t size, unsigned int type)
+{
+	if (p >= AT91_BASE_SYS && p <= (AT91_BASE_SYS + SZ_16K - 1))
+		return (void __iomem *)AT91_IO_P2V(p);
+
+	return __arm_ioremap_caller(p, size, type, __builtin_return_address(0));
+}
+EXPORT_SYMBOL(at91_ioremap);
+
+void at91_iounmap(volatile void __iomem *addr)
+{
+	unsigned long virt = (unsigned long)addr;
+
+	if (virt >= VMALLOC_START && virt < VMALLOC_END)
+		__iounmap(addr);
+}
+EXPORT_SYMBOL(at91_iounmap);
+
+#define AT91_DBGU0	0xfffff200
+#define AT91_DBGU1	0xffffee00
+
+static void __init soc_detect(u32 dbgu_base)
+{
+	u32 cidr, socid;
+
+	cidr = __raw_readl(AT91_IO_P2V(dbgu_base) + AT91_DBGU_CIDR);
+	socid = cidr & ~AT91_CIDR_VERSION;
+
+	switch (socid) {
+	case ARCH_ID_AT91CAP9: {
+#ifdef CONFIG_AT91_PMC_UNIT
+		u32 pmc_ver = at91_sys_read(AT91_PMC_VER);
+
+		if (pmc_ver == ARCH_REVISION_CAP9_B)
+			at91_soc_initdata.subtype = AT91_SOC_CAP9_REV_B;
+		else if (pmc_ver == ARCH_REVISION_CAP9_C)
+			at91_soc_initdata.subtype = AT91_SOC_CAP9_REV_C;
+#endif
+		at91_soc_initdata.type = AT91_SOC_CAP9;
+		at91_boot_soc = at91cap9_soc;
+		break;
+	}
+
+	case ARCH_ID_AT91RM9200:
+		at91_soc_initdata.type = AT91_SOC_RM9200;
+		at91_boot_soc = at91rm9200_soc;
+		break;
+
+	case ARCH_ID_AT91SAM9260:
+		at91_soc_initdata.type = AT91_SOC_SAM9260;
+		at91_boot_soc = at91sam9260_soc;
+		break;
+
+	case ARCH_ID_AT91SAM9261:
+		at91_soc_initdata.type = AT91_SOC_SAM9261;
+		at91_boot_soc = at91sam9261_soc;
+		break;
+
+	case ARCH_ID_AT91SAM9263:
+		at91_soc_initdata.type = AT91_SOC_SAM9263;
+		at91_boot_soc = at91sam9263_soc;
+		break;
+
+	case ARCH_ID_AT91SAM9G20:
+		at91_soc_initdata.type = AT91_SOC_SAM9G20;
+		at91_boot_soc = at91sam9260_soc;
+		break;
+
+	case ARCH_ID_AT91SAM9G45:
+		at91_soc_initdata.type = AT91_SOC_SAM9G45;
+		if (cidr == ARCH_ID_AT91SAM9G45ES)
+			at91_soc_initdata.subtype = AT91_SOC_SAM9G45ES;
+		at91_boot_soc = at91sam9g45_soc;
+		break;
+
+	case ARCH_ID_AT91SAM9RL64:
+		at91_soc_initdata.type = AT91_SOC_SAM9RL;
+		at91_boot_soc = at91sam9rl_soc;
+		break;
+
+	case ARCH_ID_AT91SAM9X5:
+		at91_soc_initdata.type = AT91_SOC_SAM9X5;
+		at91_boot_soc = at91sam9x5_soc;
+		break;
+	}
+
+	/* at91sam9g10 */
+	if ((cidr & ~AT91_CIDR_EXT) == ARCH_ID_AT91SAM9G10) {
+		at91_soc_initdata.type = AT91_SOC_SAM9G10;
+		at91_boot_soc = at91sam9261_soc;
+	}
+	/* at91sam9xe */
+	else if ((cidr & AT91_CIDR_ARCH) == ARCH_FAMILY_AT91SAM9XE) {
+		at91_soc_initdata.type = AT91_SOC_SAM9260;
+		at91_soc_initdata.subtype = AT91_SOC_SAM9XE;
+		at91_boot_soc = at91sam9260_soc;
+	}
+
+	if (!at91_soc_is_detected())
+		return;
+
+	at91_soc_initdata.cidr = cidr;
+
+	/* sub version of soc */
+	at91_soc_initdata.exid = __raw_readl(AT91_IO_P2V(dbgu_base) + AT91_DBGU_EXID);
+
+	if (at91_soc_initdata.type == AT91_SOC_SAM9G45) {
+		switch (at91_soc_initdata.exid) {
+		case ARCH_EXID_AT91SAM9M10:
+			at91_soc_initdata.subtype = AT91_SOC_SAM9M10;
+			break;
+		case ARCH_EXID_AT91SAM9G46:
+			at91_soc_initdata.subtype = AT91_SOC_SAM9G46;
+			break;
+		case ARCH_EXID_AT91SAM9M11:
+			at91_soc_initdata.subtype = AT91_SOC_SAM9M11;
+			break;
+		}
+	}
+
+	if (at91_soc_initdata.type == AT91_SOC_SAM9X5) {
+		switch (at91_soc_initdata.exid) {
+		case ARCH_EXID_AT91SAM9G15:
+			at91_soc_initdata.subtype = AT91_SOC_SAM9G15;
+			break;
+		case ARCH_EXID_AT91SAM9G35:
+			at91_soc_initdata.subtype = AT91_SOC_SAM9G35;
+			break;
+		case ARCH_EXID_AT91SAM9X35:
+			at91_soc_initdata.subtype = AT91_SOC_SAM9X35;
+			break;
+		case ARCH_EXID_AT91SAM9G25:
+			at91_soc_initdata.subtype = AT91_SOC_SAM9G25;
+			break;
+		case ARCH_EXID_AT91SAM9X25:
+			at91_soc_initdata.subtype = AT91_SOC_SAM9X25;
+			break;
+		}
+	}
+}
+
+static const char *soc_name[] = {
+	[AT91_SOC_RM9200]	= "at91rm9200",
+	[AT91_SOC_CAP9]		= "at91cap9",
+	[AT91_SOC_SAM9260]	= "at91sam9260",
+	[AT91_SOC_SAM9261]	= "at91sam9261",
+	[AT91_SOC_SAM9263]	= "at91sam9263",
+	[AT91_SOC_SAM9G10]	= "at91sam9g10",
+	[AT91_SOC_SAM9G20]	= "at91sam9g20",
+	[AT91_SOC_SAM9G45]	= "at91sam9g45",
+	[AT91_SOC_SAM9RL]	= "at91sam9rl",
+	[AT91_SOC_SAM9X5]	= "at91sam9x5",
+	[AT91_SOC_NONE]		= "Unknown"
+};
+
+const char *at91_get_soc_type(struct at91_socinfo *c)
+{
+	return soc_name[c->type];
+}
+EXPORT_SYMBOL(at91_get_soc_type);
+
+static const char *soc_subtype_name[] = {
+	[AT91_SOC_RM9200_BGA]	= "at91rm9200 BGA",
+	[AT91_SOC_RM9200_PQFP]	= "at91rm9200 PQFP",
+	[AT91_SOC_CAP9_REV_B]	= "at91cap9 revB",
+	[AT91_SOC_CAP9_REV_C]	= "at91cap9 revC",
+	[AT91_SOC_SAM9XE]	= "at91sam9xe",
+	[AT91_SOC_SAM9G45ES]	= "at91sam9g45es",
+	[AT91_SOC_SAM9M10]	= "at91sam9m10",
+	[AT91_SOC_SAM9G46]	= "at91sam9g46",
+	[AT91_SOC_SAM9M11]	= "at91sam9m11",
+	[AT91_SOC_SAM9G15]	= "at91sam9g15",
+	[AT91_SOC_SAM9G35]	= "at91sam9g35",
+	[AT91_SOC_SAM9X35]	= "at91sam9x35",
+	[AT91_SOC_SAM9G25]	= "at91sam9g25",
+	[AT91_SOC_SAM9X25]	= "at91sam9x25",
+	[AT91_SOC_SUBTYPE_NONE]	= "Unknown"
+};
+
+const char *at91_get_soc_subtype(struct at91_socinfo *c)
+{
+	return soc_subtype_name[c->subtype];
+}
+EXPORT_SYMBOL(at91_get_soc_subtype);
+
+void __init at91_map_io(void)
+{
+	/* Map peripherals */
+	iotable_init(&at91_io_desc, 1);
+
+	at91_soc_initdata.type = AT91_SOC_NONE;
+	at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE;
+
+	soc_detect(AT91_DBGU0);
+	if (!at91_soc_is_detected())
+		soc_detect(AT91_DBGU1);
+
+	if (!at91_soc_is_detected())
+		panic("AT91: Impossible to detect the SOC type");
+
+	pr_info("AT91: Detected soc type: %s\n",
+		at91_get_soc_type(&at91_soc_initdata));
+	pr_info("AT91: Detected soc subtype: %s\n",
+		at91_get_soc_subtype(&at91_soc_initdata));
+
+	if (!at91_soc_is_enabled())
+		panic("AT91: Soc not enabled");
+
+	if (at91_boot_soc.map_io)
+		at91_boot_soc.map_io();
+}
+
+void __init at91_initialize(unsigned long main_clock)
+{
+	/* Init clock subsystem */
+	at91_clock_init(main_clock);
+
+	/* Register the processor-specific clocks */
+	at91_boot_soc.register_clocks();
+
+	at91_boot_soc.init();
+}
diff --git a/arch/arm/mach-at91/soc.h b/arch/arm/mach-at91/soc.h
new file mode 100644
index 000000000000..21ed8816e6f7
--- /dev/null
+++ b/arch/arm/mach-at91/soc.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
+ *
+ * Under GPLv2
+ */
+
+struct at91_init_soc {
+	unsigned int *default_irq_priority;
+	void (*map_io)(void);
+	void (*register_clocks)(void);
+	void (*init)(void);
+};
+
+extern struct at91_init_soc at91_boot_soc;
+extern struct at91_init_soc at91cap9_soc;
+extern struct at91_init_soc at91rm9200_soc;
+extern struct at91_init_soc at91sam9260_soc;
+extern struct at91_init_soc at91sam9261_soc;
+extern struct at91_init_soc at91sam9263_soc;
+extern struct at91_init_soc at91sam9g45_soc;
+extern struct at91_init_soc at91sam9rl_soc;
+extern struct at91_init_soc at91sam9x5_soc;
+
+static inline int at91_soc_is_enabled(void)
+{
+	return at91_boot_soc.init != NULL;
+}
+
+#if !defined(CONFIG_ARCH_AT91CAP9)
+#define at91cap9_soc	at91_boot_soc
+#endif
+
+#if !defined(CONFIG_ARCH_AT91RM9200)
+#define at91rm9200_soc	at91_boot_soc
+#endif
+
+#if !(defined(CONFIG_ARCH_AT91SAM9260) || defined(CONFIG_ARCH_AT91SAM9G20))
+#define at91sam9260_soc	at91_boot_soc
+#endif
+
+#if !(defined(CONFIG_ARCH_AT91SAM9261) || defined(CONFIG_ARCH_AT91SAM9G10))
+#define at91sam9261_soc	at91_boot_soc
+#endif
+
+#if !defined(CONFIG_ARCH_AT91SAM9263)
+#define at91sam9263_soc	at91_boot_soc
+#endif
+
+#if !defined(CONFIG_ARCH_AT91SAM9G45)
+#define at91sam9g45_soc	at91_boot_soc
+#endif
+
+#if !defined(CONFIG_ARCH_AT91SAM9RL)
+#define at91sam9rl_soc	at91_boot_soc
+#endif
+
+#if !defined(CONFIG_ARCH_AT91SAM9X5)
+#define at91sam9x5_soc	at91_boot_soc
+#endif