166 files changed, 1642 insertions, 2407 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index a48aecc17eac..b5a91ca2eda9 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1578,6 +1578,7 @@ config ARCH_NR_GPIO
         int
         default 1024 if ARCH_SHMOBILE || ARCH_TEGRA
         default 350 if ARCH_U8500
+        default 264 if MACH_H4700
         default 0
         help
           Maximum number of GPIOs in the system.
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index e0d236d7ff73..03646c4c13d1 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -81,25 +81,6 @@ choice
         prompt "Kernel low-level debugging port"
         depends on DEBUG_LL
 
-        config DEBUG_LL_UART_NONE
-                bool "No low-level debugging UART"
-                help
-                  Say Y here if your platform doesn't provide a UART option
-                  below. This relies on your platform choosing the right UART
-                  definition internally in order for low-level debugging to
-                  work.
-
-        config DEBUG_ICEDCC
-                bool "Kernel low-level debugging via EmbeddedICE DCC channel"
-                help
-                  Say Y here if you want the debug print routines to direct
-                  their output to the EmbeddedICE macrocell's DCC channel using
-                  co-processor 14. This is known to work on the ARM9 style ICE
-                  channel and on the XScale with the PEEDI.
-
-                  Note that the system will appear to hang during boot if there
-                  is nothing connected to read from the DCC.
-
         config AT91_DEBUG_LL_DBGU0
                 bool "Kernel low-level debugging on rm9200, 9260/9g20, 9261/9g10 and 9rl"
                 depends on HAVE_AT91_DBGU0
@@ -108,20 +89,6 @@ choice
                 bool "Kernel low-level debugging on 9263, 9g45 and cap9"
                 depends on HAVE_AT91_DBGU1
 
-        config DEBUG_FOOTBRIDGE_COM1
-                bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1"
-                depends on FOOTBRIDGE
-                help
-                  Say Y here if you want the debug print routines to direct
-                  their output to the 8250 at PCI COM1.
-
-        config DEBUG_DC21285_PORT
-                bool "Kernel low-level debugging messages via footbridge serial port"
-                depends on FOOTBRIDGE
-                help
-                  Say Y here if you want the debug print routines to direct
-                  their output to the serial port in the DC21285 (Footbridge).
-
         config DEBUG_CLPS711X_UART1
                 bool "Kernel low-level debugging messages via UART1"
                 depends on ARCH_CLPS711X
@@ -136,6 +103,20 @@ choice
                   Say Y here if you want the debug print routines to direct
                   their output to the second serial port on these devices.
 
+        config DEBUG_DC21285_PORT
+                bool "Kernel low-level debugging messages via footbridge serial port"
+                depends on FOOTBRIDGE
+                help
+                  Say Y here if you want the debug print routines to direct
+                  their output to the serial port in the DC21285 (Footbridge).
+
+        config DEBUG_FOOTBRIDGE_COM1
+                bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1"
+                depends on FOOTBRIDGE
+                help
+                  Say Y here if you want the debug print routines to direct
+                  their output to the 8250 at PCI COM1.
+
         config DEBUG_HIGHBANK_UART
                 bool "Kernel low-level debugging messages via Highbank UART"
                 depends on ARCH_HIGHBANK
@@ -206,38 +187,42 @@ choice
                   Say Y here if you want kernel low-level debugging support
                   on i.MX6Q.
 
-        config DEBUG_S3C_UART0
-                depends on PLAT_SAMSUNG
-                bool "Use S3C UART 0 for low-level debug"
+        config DEBUG_MSM_UART1
+                bool "Kernel low-level debugging messages via MSM UART1"
+                depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50
                 help
                   Say Y here if you want the debug print routines to direct
-                  their output to UART 0. The port must have been initialised
-                  by the boot-loader before use.
-
-                  The uncompressor code port configuration is now handled
-                  by CONFIG_S3C_LOWLEVEL_UART_PORT.
+                  their output to the first serial port on MSM devices.
 
-        config DEBUG_S3C_UART1
-                depends on PLAT_SAMSUNG
-                bool "Use S3C UART 1 for low-level debug"
+        config DEBUG_MSM_UART2
+                bool "Kernel low-level debugging messages via MSM UART2"
+                depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50
                 help
                   Say Y here if you want the debug print routines to direct
-                  their output to UART 1. The port must have been initialised
-                  by the boot-loader before use.
+                  their output to the second serial port on MSM devices.
 
-                  The uncompressor code port configuration is now handled
-                  by CONFIG_S3C_LOWLEVEL_UART_PORT.
+        config DEBUG_MSM_UART3
+                bool "Kernel low-level debugging messages via MSM UART3"
+                depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50
+                help
+                  Say Y here if you want the debug print routines to direct
+                  their output to the third serial port on MSM devices.
 
-        config DEBUG_S3C_UART2
-                depends on PLAT_SAMSUNG
-                bool "Use S3C UART 2 for low-level debug"
+        config DEBUG_MSM8660_UART
+                bool "Kernel low-level debugging messages via MSM 8660 UART"
+                depends on ARCH_MSM8X60
+                select MSM_HAS_DEBUG_UART_HS
                 help
                   Say Y here if you want the debug print routines to direct
-                  their output to UART 2. The port must have been initialised
-                  by the boot-loader before use.
+                  their output to the serial port on MSM 8660 devices.
 
-                  The uncompressor code port configuration is now handled
-                  by CONFIG_S3C_LOWLEVEL_UART_PORT.
+        config DEBUG_MSM8960_UART
+                bool "Kernel low-level debugging messages via MSM 8960 UART"
+                depends on ARCH_MSM8960
+                select MSM_HAS_DEBUG_UART_HS
+                help
+                  Say Y here if you want the debug print routines to direct
+                  their output to the serial port on MSM 8960 devices.
 
         config DEBUG_REALVIEW_STD_PORT
                 bool "RealView Default UART"
@@ -255,42 +240,57 @@ choice
                   their output to the standard serial port on the RealView
                   PB1176 platform.
 
-        config DEBUG_MSM_UART1
-                bool "Kernel low-level debugging messages via MSM UART1"
-                depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50
+        config DEBUG_S3C_UART0
+                depends on PLAT_SAMSUNG
+                bool "Use S3C UART 0 for low-level debug"
                 help
                   Say Y here if you want the debug print routines to direct
-                  their output to the first serial port on MSM devices.
+                  their output to UART 0. The port must have been initialised
+                  by the boot-loader before use.
 
-        config DEBUG_MSM_UART2
-                bool "Kernel low-level debugging messages via MSM UART2"
-                depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50
+                  The uncompressor code port configuration is now handled
+                  by CONFIG_S3C_LOWLEVEL_UART_PORT.
+
+        config DEBUG_S3C_UART1
+                depends on PLAT_SAMSUNG
+                bool "Use S3C UART 1 for low-level debug"
                 help
                   Say Y here if you want the debug print routines to direct
-                  their output to the second serial port on MSM devices.
+                  their output to UART 1. The port must have been initialised
+                  by the boot-loader before use.
 
-        config DEBUG_MSM_UART3
-                bool "Kernel low-level debugging messages via MSM UART3"
-                depends on ARCH_MSM7X00A || ARCH_MSM7X30 || ARCH_QSD8X50
+                  The uncompressor code port configuration is now handled
+                  by CONFIG_S3C_LOWLEVEL_UART_PORT.
+
+        config DEBUG_S3C_UART2
+                depends on PLAT_SAMSUNG
+                bool "Use S3C UART 2 for low-level debug"
                 help
                   Say Y here if you want the debug print routines to direct
-                  their output to the third serial port on MSM devices.
+                  their output to UART 2. The port must have been initialised
+                  by the boot-loader before use.
 
-        config DEBUG_MSM8660_UART
-                bool "Kernel low-level debugging messages via MSM 8660 UART"
-                depends on ARCH_MSM8X60
-                select MSM_HAS_DEBUG_UART_HS
+                  The uncompressor code port configuration is now handled
+                  by CONFIG_S3C_LOWLEVEL_UART_PORT.
+
+        config DEBUG_LL_UART_NONE
+                bool "No low-level debugging UART"
                 help
-                  Say Y here if you want the debug print routines to direct
-                  their output to the serial port on MSM 8660 devices.
+                  Say Y here if your platform doesn't provide a UART option
+                  below. This relies on your platform choosing the right UART
+                  definition internally in order for low-level debugging to
+                  work.
 
-        config DEBUG_MSM8960_UART
-                bool "Kernel low-level debugging messages via MSM 8960 UART"
-                depends on ARCH_MSM8960
-                select MSM_HAS_DEBUG_UART_HS
+        config DEBUG_ICEDCC
+                bool "Kernel low-level debugging via EmbeddedICE DCC channel"
                 help
                   Say Y here if you want the debug print routines to direct
-                  their output to the serial port on MSM 8960 devices.
+                  their output to the EmbeddedICE macrocell's DCC channel using
+                  co-processor 14. This is known to work on the ARM9 style ICE
+                  channel and on the XScale with the PEEDI.
+
+                  Note that the system will appear to hang during boot if there
+                  is nothing connected to read from the DCC.
 
 endchoice
 
diff --git a/arch/arm/boot/dts/kirkwood-dreamplug.dts b/arch/arm/boot/dts/kirkwood-dreamplug.dts
new file mode 100644
index 000000000000..8a5dff807b45
--- /dev/null
+++ b/arch/arm/boot/dts/kirkwood-dreamplug.dts
@@ -0,0 +1,25 @@
+/dts-v1/;
+
+/include/ "kirkwood.dtsi"
+
+/ {
+        model = "Globalscale Technologies Dreamplug";
+        compatible = "globalscale,dreamplug-003-ds2001", "globalscale,dreamplug", "marvell,kirkwood-88f6281", "marvell,kirkwood";
+
+        memory {
+                device_type = "memory";
+                reg = <0x00000000 0x20000000>;
+        };
+
+        chosen {
+                bootargs = "console=ttyS0,115200n8 earlyprintk";
+        };
+
+        serial@f1012000 {
+                compatible = "ns16550a";
+                reg = <0xf1012000 0xff>;
+                reg-shift = <2>;
+                interrupts = <33>;
+                clock-frequency = <200000000>;
+        };
+};
diff --git a/arch/arm/boot/dts/kirkwood.dtsi b/arch/arm/boot/dts/kirkwood.dtsi
new file mode 100644
index 000000000000..771c6bbeb29a
--- /dev/null
+++ b/arch/arm/boot/dts/kirkwood.dtsi
@@ -0,0 +1,6 @@
+/include/ "skeleton.dtsi"
+
+/ {
+        compatible = "marvell,kirkwood";
+};
+
diff --git a/arch/arm/boot/dts/tegra-paz00.dts b/arch/arm/boot/dts/tegra-paz00.dts
index 825d2957da0b..61f385809970 100644
--- a/arch/arm/boot/dts/tegra-paz00.dts
+++ b/arch/arm/boot/dts/tegra-paz00.dts
@@ -35,6 +35,11 @@
 
         i2c@7000d000 {
                 clock-frequency = <400000>;
+
+                adt7461@4c {
+                        compatible = "adi,adt7461";
+                        reg = <0x4c>;
+                };
         };
 
         serial@70006000 {
@@ -74,4 +79,25 @@
         sdhci@c8000600 {
                 support-8bit;
         };
+
+        gpio-keys {
+                compatible = "gpio-keys";
+
+                power {
+                        label = "Power";
+                        gpios = <&gpio 79 1>; /* gpio PJ7, active low */
+                        linux,code = <116>; /* KEY_POWER */
+                        gpio-key,wakeup;
+                };
+        };
+
+        gpio-leds {
+                compatible = "gpio-leds";
+
+                wifi {
+                        label = "wifi-led";
+                        gpios = <&gpio 24 0>;
+                        linux,default-trigger = "rfkill0";
+                };
+        };
 };
diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h
index e4c96cc6ec0c..424aa458c487 100644
--- a/arch/arm/include/asm/system.h
+++ b/arch/arm/include/asm/system.h
@@ -110,6 +110,7 @@ extern void cpu_init(void);
 
 void soft_restart(unsigned long);
 extern void (*arm_pm_restart)(char str, const char *cmd);
+extern void (*arm_pm_idle)(void);
 
 #define UDBG_UNDEFINED  (1 << 0)
 #define UDBG_SYSCALL    (1 << 1)
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 971d65c253a9..008e7ce766a7 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -61,8 +61,6 @@ extern void setup_mm_for_reboot(void);
 
 static volatile int hlt_counter;
 
-#include <mach/system.h>
-
 void disable_hlt(void)
 {
         hlt_counter++;
@@ -181,13 +179,17 @@ void cpu_idle_wait(void)
 EXPORT_SYMBOL_GPL(cpu_idle_wait);
 
 /*
- * This is our default idle handler.  We need to disable
- * interrupts here to ensure we don't miss a wakeup call.
+ * This is our default idle handler.
  */
+
+void (*arm_pm_idle)(void);
+
 static void default_idle(void)
 {
-        if (!need_resched())
-                arch_idle();
+        if (arm_pm_idle)
+                arm_pm_idle();
+        else
+                cpu_do_idle();
         local_irq_enable();
 }
 
@@ -215,6 +217,10 @@ void cpu_idle(void)
                                 cpu_die();
 #endif
 
+                        /*
+                         * We need to disable interrupts here
+                         * to ensure we don't miss a wakeup call.
+                         */
                         local_irq_disable();
 #ifdef CONFIG_PL310_ERRATA_769419
                         wmb();
@@ -222,19 +228,18 @@ void cpu_idle(void)
                         if (hlt_counter) {
                                 local_irq_enable();
                                 cpu_relax();
-                        } else {
+                        } else if (!need_resched()) {
                                 stop_critical_timings();
                                 if (cpuidle_idle_call())
                                         pm_idle();
                                 start_critical_timings();
                                 /*
-                                 * This will eventually be removed - pm_idle
-                                 * functions should always return with IRQs
-                                 * enabled.
+                                 * pm_idle functions must always
+                                 * return with IRQs enabled.
                                  */
                                 WARN_ON(irqs_disabled());
+                        } else
                                 local_irq_enable();
-                        }
                 }
                 leds_event(led_idle_end);
                 rcu_idle_exit();
diff --git a/arch/arm/mach-at91/at91cap9.c b/arch/arm/mach-at91/at91cap9.c
index a42edc25a87e..8967d75c2ea3 100644
--- a/arch/arm/mach-at91/at91cap9.c
+++ b/arch/arm/mach-at91/at91cap9.c
@@ -14,6 +14,7 @@
 
 #include <linux/module.h>
 
+#include <asm/proc-fns.h>
 #include <asm/irq.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
@@ -313,6 +314,12 @@ static struct at91_gpio_bank at91cap9_gpio[] __initdata = {
         }
 };
 
+static void at91cap9_idle(void)
+{
+        at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK);
+        cpu_do_idle();
+}
+
 /* --------------------------------------------------------------------
  *  AT91CAP9 processor initialization
  * -------------------------------------------------------------------- */
@@ -332,6 +339,7 @@ static void __init at91cap9_ioremap_registers(void)
 
 static void __init at91cap9_initialize(void)
 {
+        arm_pm_idle = at91cap9_idle;
         arm_pm_restart = at91sam9g45_restart;
         at91_extern_irq = (1 << AT91CAP9_ID_IRQ0) | (1 << AT91CAP9_ID_IRQ1);
 
diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c
index 99c3174e24a2..dd6e2de13420 100644
--- a/arch/arm/mach-at91/at91rm9200.c
+++ b/arch/arm/mach-at91/at91rm9200.c
@@ -289,6 +289,15 @@ static struct at91_gpio_bank at91rm9200_gpio[] __initdata = {
         }
 };
 
+static void at91rm9200_idle(void)
+{
+        /*
+         * Disable the processor clock.  The processor will be automatically
+         * re-enabled by an interrupt or by a reset.
+         */
+        at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK);
+}
+
 static void at91rm9200_restart(char mode, const char *cmd)
 {
         /*
@@ -314,6 +323,7 @@ static void __init at91rm9200_ioremap_registers(void)
 
 static void __init at91rm9200_initialize(void)
 {
+        arm_pm_idle = at91rm9200_idle;
         arm_pm_restart = at91rm9200_restart;
         at91_extern_irq = (1 << AT91RM9200_ID_IRQ0) | (1 << AT91RM9200_ID_IRQ1)
                         | (1 << AT91RM9200_ID_IRQ2) | (1 << AT91RM9200_ID_IRQ3)
diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c
index d4036ba43612..9ac8c6fe3363 100644
--- a/arch/arm/mach-at91/at91sam9260.c
+++ b/arch/arm/mach-at91/at91sam9260.c
@@ -12,6 +12,7 @@
 
 #include <linux/module.h>
 
+#include <asm/proc-fns.h>
 #include <asm/irq.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
@@ -328,8 +329,15 @@ static void __init at91sam9260_ioremap_registers(void)
         at91sam9_ioremap_smc(0, AT91SAM9260_BASE_SMC);
 }
 
+static void at91sam9260_idle(void)
+{
+        at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK);
+        cpu_do_idle();
+}
+
 static void __init at91sam9260_initialize(void)
 {
+        arm_pm_idle = at91sam9260_idle;
         arm_pm_restart = at91sam9_alt_restart;
         at91_extern_irq = (1 << AT91SAM9260_ID_IRQ0) | (1 << AT91SAM9260_ID_IRQ1)
                         | (1 << AT91SAM9260_ID_IRQ2);
diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c
index 023c2ff138df..ab76868f01f5 100644
--- a/arch/arm/mach-at91/at91sam9261.c
+++ b/arch/arm/mach-at91/at91sam9261.c
@@ -12,6 +12,7 @@
 
 #include <linux/module.h>
 
+#include <asm/proc-fns.h>
 #include <asm/irq.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
@@ -286,8 +287,15 @@ static void __init at91sam9261_ioremap_registers(void)
         at91sam9_ioremap_smc(0, AT91SAM9261_BASE_SMC);
 }
 
+static void at91sam9261_idle(void)
+{
+        at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK);
+        cpu_do_idle();
+}
+
 static void __init at91sam9261_initialize(void)
 {
+        arm_pm_idle = at91sam9261_idle;
         arm_pm_restart = at91sam9_alt_restart;
         at91_extern_irq = (1 << AT91SAM9261_ID_IRQ0) | (1 << AT91SAM9261_ID_IRQ1)
                         | (1 << AT91SAM9261_ID_IRQ2);
diff --git a/arch/arm/mach-at91/at91sam9263.c b/arch/arm/mach-at91/at91sam9263.c
index 75e876c258af..247ab633abcc 100644
--- a/arch/arm/mach-at91/at91sam9263.c
+++ b/arch/arm/mach-at91/at91sam9263.c
@@ -12,6 +12,7 @@
 
 #include <linux/module.h>
 
+#include <asm/proc-fns.h>
 #include <asm/irq.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
@@ -307,8 +308,15 @@ static void __init at91sam9263_ioremap_registers(void)
         at91sam9_ioremap_smc(1, AT91SAM9263_BASE_SMC1);
 }
 
+static void at91sam9263_idle(void)
+{
+        at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK);
+        cpu_do_idle();
+}
+
 static void __init at91sam9263_initialize(void)
 {
+        arm_pm_idle = at91sam9263_idle;
         arm_pm_restart = at91sam9_alt_restart;
         at91_extern_irq = (1 << AT91SAM9263_ID_IRQ0) | (1 << AT91SAM9263_ID_IRQ1);
 
diff --git a/arch/arm/mach-at91/at91sam9g45.c b/arch/arm/mach-at91/at91sam9g45.c
index 1cb6a96b1c1e..5b12192e52ec 100644
--- a/arch/arm/mach-at91/at91sam9g45.c
+++ b/arch/arm/mach-at91/at91sam9g45.c
@@ -317,6 +317,12 @@ static struct at91_gpio_bank at91sam9g45_gpio[] __initdata = {
         }
 };
 
+static void at91sam9g45_idle(void)
+{
+        at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK);
+        cpu_do_idle();
+}
+
 /* --------------------------------------------------------------------
  *  AT91SAM9G45 processor initialization
  * -------------------------------------------------------------------- */
@@ -337,6 +343,7 @@ static void __init at91sam9g45_ioremap_registers(void)
 
 static void __init at91sam9g45_initialize(void)
 {
+        arm_pm_idle = at91sam9g45_idle;
         arm_pm_restart = at91sam9g45_restart;
         at91_extern_irq = (1 << AT91SAM9G45_ID_IRQ0);
 
diff --git a/arch/arm/mach-at91/at91sam9rl.c b/arch/arm/mach-at91/at91sam9rl.c
index d2c91a841cb8..fd60e226a987 100644
--- a/arch/arm/mach-at91/at91sam9rl.c
+++ b/arch/arm/mach-at91/at91sam9rl.c
@@ -11,6 +11,7 @@
 
 #include <linux/module.h>
 
+#include <asm/proc-fns.h>
 #include <asm/irq.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
@@ -291,8 +292,15 @@ static void __init at91sam9rl_ioremap_registers(void)
         at91sam9_ioremap_smc(0, AT91SAM9RL_BASE_SMC);
 }
 
+static void at91sam9rl_idle(void)
+{
+        at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK);
+        cpu_do_idle();
+}
+
 static void __init at91sam9rl_initialize(void)
 {
+        arm_pm_idle = at91sam9rl_idle;
         arm_pm_restart = at91sam9_alt_restart;
         at91_extern_irq = (1 << AT91SAM9RL_ID_IRQ0);
 
diff --git a/arch/arm/mach-at91/at91x40.c b/arch/arm/mach-at91/at91x40.c
index 56ba3bd035ae..0154b7f44ff1 100644
--- a/arch/arm/mach-at91/at91x40.c
+++ b/arch/arm/mach-at91/at91x40.c
@@ -13,6 +13,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/irq.h>
+#include <asm/proc-fns.h>
 #include <asm/mach/arch.h>
 #include <mach/at91x40.h>
 #include <mach/at91_st.h>
@@ -37,8 +38,19 @@ unsigned long clk_get_rate(struct clk *clk)
         return AT91X40_MASTER_CLOCK;
 }
 
+static void at91x40_idle(void)
+{
+        /*
+         * Disable the processor clock.  The processor will be automatically
+         * re-enabled by an interrupt or by a reset.
+         */
+        at91_sys_write(AT91_PS_CR, AT91_PS_CR_CPU);
+        cpu_do_idle();
+}
+
 void __init at91x40_initialize(unsigned long main_clock)
 {
+        arm_pm_idle = at91x40_idle;
         at91_extern_irq = (1 << AT91X40_ID_IRQ0) | (1 << AT91X40_ID_IRQ1)
                         | (1 << AT91X40_ID_IRQ2);
 }
diff --git a/arch/arm/mach-at91/include/mach/system.h b/arch/arm/mach-at91/include/mach/system.h
deleted file mode 100644
index cbd64f3bcecd..000000000000
--- a/arch/arm/mach-at91/include/mach/system.h
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * arch/arm/mach-at91/include/mach/system.h
- *
- *  Copyright (C) 2003 SAN People
- *
- * 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
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-#ifndef __ASM_ARCH_SYSTEM_H
-#define __ASM_ARCH_SYSTEM_H
-
-#include <mach/hardware.h>
-#include <mach/at91_st.h>
-#include <mach/at91_dbgu.h>
-#include <mach/at91_pmc.h>
-
-static inline void arch_idle(void)
-{
-        /*
-         * Disable the processor clock.  The processor will be automatically
-         * re-enabled by an interrupt or by a reset.
-         */
-#ifdef AT91_PS
-        at91_sys_write(AT91_PS_CR, AT91_PS_CR_CPU);
-#else
-        at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK);
-#endif
-#ifndef CONFIG_CPU_ARM920T
-        /*
-         * Set the processor (CP15) into 'Wait for Interrupt' mode.
-         * Post-RM9200 processors need this in conjunction with the above
-         * to save power when idle.
-         */
-        cpu_do_idle();
-#endif
-}
-
-#endif
diff --git a/arch/arm/mach-bcmring/core.c b/arch/arm/mach-bcmring/core.c
index 6b67b7e8426c..22e4e0a28ad1 100644
--- a/arch/arm/mach-bcmring/core.c
+++ b/arch/arm/mach-bcmring/core.c
@@ -52,27 +52,8 @@
 #include <mach/csp/chipcHw_inline.h>
 #include <mach/csp/tmrHw_reg.h>
 
-#define AMBA_DEVICE(name, initname, base, plat, size)       \
-static struct amba_device name##_device = {     \
-   .dev = {                                     \
-      .coherent_dma_mask = ~0,                  \
-      .init_name = initname,                    \
-      .platform_data = plat                     \
-   },                                           \
-   .res = {                                     \
-      .start = MM_ADDR_IO_##base,               \
-                .end = MM_ADDR_IO_##base + (size) - 1,    \
-      .flags = IORESOURCE_MEM                   \
-   },                                           \
-   .dma_mask = ~0,                              \
-   .irq = {                                     \
-      IRQ_##base                                \
-   }                                            \
-}
-
-
-AMBA_DEVICE(uartA, "uarta", UARTA, NULL, SZ_4K);
-AMBA_DEVICE(uartB, "uartb", UARTB, NULL, SZ_4K);
+static AMBA_APB_DEVICE(uartA, "uarta", MM_ADDR_IO_UARTA, { IRQ_UARTA }, NULL);
+static AMBA_APB_DEVICE(uartB, "uartb", MM_ADDR_IO_UARTB, { IRQ_UARTB }, NULL);
 
 static struct clk pll1_clk = {
         .name = "PLL1",
diff --git a/arch/arm/mach-bcmring/include/mach/system.h b/arch/arm/mach-bcmring/include/mach/system.h
deleted file mode 100644
index cb78250db649..000000000000
--- a/arch/arm/mach-bcmring/include/mach/system.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- *
- *  Copyright (C) 1999 ARM Limited
- *  Copyright (C) 2000 Deep Blue Solutions Ltd
- *
- * 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
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-#ifndef __ASM_ARCH_SYSTEM_H
-#define __ASM_ARCH_SYSTEM_H
-
-static inline void arch_idle(void)
-{
-        cpu_do_idle();
-}
-
-#endif
diff --git a/arch/arm/mach-clps711x/common.c b/arch/arm/mach-clps711x/common.c
index ab1711b9b4d6..8736c1acc166 100644
--- a/arch/arm/mach-clps711x/common.c
+++ b/arch/arm/mach-clps711x/common.c
@@ -225,3 +225,19 @@ void clps711x_restart(char mode, const char *cmd)
 {
         soft_restart(0);
 }
+
+static void clps711x_idle(void)
+{
+        clps_writel(1, HALT);
+        __asm__ __volatile__(
+        "mov    r0, r0\n\
+        mov     r0, r0");
+}
+
+static int __init clps711x_idle_init(void)
+{
+        arm_pm_idle = clps711x_idle;
+        return 0;
+}
+
+arch_initcall(clps711x_idle_init);
diff --git a/arch/arm/mach-clps711x/include/mach/system.h b/arch/arm/mach-clps711x/include/mach/system.h
deleted file mode 100644
index 23d6ef8c84da..000000000000
--- a/arch/arm/mach-clps711x/include/mach/system.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- *  arch/arm/mach-clps711x/include/mach/system.h
- *
- *  Copyright (C) 2000 Deep Blue Solutions Ltd
- *
- * 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
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-#ifndef __ASM_ARCH_SYSTEM_H
-#define __ASM_ARCH_SYSTEM_H
-
-#include <linux/io.h>
-#include <mach/hardware.h>
-#include <asm/hardware/clps7111.h>
-
-static inline void arch_idle(void)
-{
-        clps_writel(1, HALT);
-        __asm__ __volatile__(
-        "mov    r0, r0\n\
-        mov     r0, r0");
-}
-
-#endif
diff --git a/arch/arm/mach-cns3xxx/include/mach/system.h b/arch/arm/mach-cns3xxx/include/mach/system.h
deleted file mode 100644
index 9e56b7dc133a..000000000000
--- a/arch/arm/mach-cns3xxx/include/mach/system.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Copyright 2000 Deep Blue Solutions Ltd
- * Copyright 2003 ARM Limited
- * Copyright 2008 Cavium Networks
- *
- * This file is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, Version 2, as
- * published by the Free Software Foundation.
- */
-
-#ifndef __MACH_SYSTEM_H
-#define __MACH_SYSTEM_H
-
-#include <asm/proc-fns.h>
-
-static inline void arch_idle(void)
-{
-        /*
-         * This should do all the clock switching
-         * and wait for interrupt tricks
-         */
-        cpu_do_idle();
-}
-
-#endif
diff --git a/arch/arm/mach-davinci/include/mach/system.h b/arch/arm/mach-davinci/include/mach/system.h
deleted file mode 100644
index fcb7a015aba5..000000000000
--- a/arch/arm/mach-davinci/include/mach/system.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/*
- * DaVinci system defines
- *
- * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
- *
- * 2007 (c) MontaVista Software, Inc. This file is licensed under
- * the terms of the GNU General Public License version 2. This program
- * is licensed "as is" without any warranty of any kind, whether express
- * or implied.
- */
-#ifndef __ASM_ARCH_SYSTEM_H
-#define __ASM_ARCH_SYSTEM_H
-
-#include <mach/common.h>
-
-static inline void arch_idle(void)
-{
-        cpu_do_idle();
-}
-
-#endif /* __ASM_ARCH_SYSTEM_H */
diff --git a/arch/arm/mach-dove/include/mach/system.h b/arch/arm/mach-dove/include/mach/system.h
deleted file mode 100644
index 3027954f6162..000000000000
--- a/arch/arm/mach-dove/include/mach/system.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/*
- * arch/arm/mach-dove/include/mach/system.h
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2.  This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#ifndef __ASM_ARCH_SYSTEM_H
-#define __ASM_ARCH_SYSTEM_H
-
-static inline void arch_idle(void)
-{
-        cpu_do_idle();
-}
-
-#endif
diff --git a/arch/arm/mach-ebsa110/core.c b/arch/arm/mach-ebsa110/core.c
index 294aad07f7a0..804c9122b7b3 100644
--- a/arch/arm/mach-ebsa110/core.c
+++ b/arch/arm/mach-ebsa110/core.c
@@ -271,8 +271,33 @@ static struct platform_device *ebsa110_devices[] = {
         &am79c961_device,
 };
 
+/*
+ * EBSA110 idling methodology:
+ *
+ * We can not execute the "wait for interrupt" instruction since that
+ * will stop our MCLK signal (which provides the clock for the glue
+ * logic, and therefore the timer interrupt).
+ *
+ * Instead, we spin, polling the IRQ_STAT register for the occurrence
+ * of any interrupt with core clock down to the memory clock.
+ */
+static void ebsa110_idle(void)
+{
+        const char *irq_stat = (char *)0xff000000;
+
+        /* disable clock switching */
+        asm volatile ("mcr p15, 0, ip, c15, c2, 2" : : : "cc");
+
+        /* wait for an interrupt to occur */
+        while (!*irq_stat);
+
+        /* enable clock switching */
+        asm volatile ("mcr p15, 0, ip, c15, c1, 2" : : : "cc");
+}
+
 static int __init ebsa110_init(void)
 {
+        arm_pm_idle = ebsa110_idle;
         return platform_add_devices(ebsa110_devices, ARRAY_SIZE(ebsa110_devices));
 }
 
diff --git a/arch/arm/mach-ebsa110/include/mach/system.h b/arch/arm/mach-ebsa110/include/mach/system.h
deleted file mode 100644
index 2e4af65edb6f..000000000000
--- a/arch/arm/mach-ebsa110/include/mach/system.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- *  arch/arm/mach-ebsa110/include/mach/system.h
- *
- *  Copyright (C) 1996-2000 Russell King.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#ifndef __ASM_ARCH_SYSTEM_H
-#define __ASM_ARCH_SYSTEM_H
-
-/*
- * EBSA110 idling methodology:
- *
- * We can not execute the "wait for interrupt" instruction since that
- * will stop our MCLK signal (which provides the clock for the glue
- * logic, and therefore the timer interrupt).
- *
- * Instead, we spin, polling the IRQ_STAT register for the occurrence
- * of any interrupt with core clock down to the memory clock.
- */
-static inline void arch_idle(void)
-{
-        const char *irq_stat = (char *)0xff000000;
-
-        /* disable clock switching */
-        asm volatile ("mcr p15, 0, ip, c15, c2, 2" : : : "cc");
-
-        /* wait for an interrupt to occur */
-        while (!*irq_stat);
-
-        /* enable clock switching */
-        asm volatile ("mcr p15, 0, ip, c15, c1, 2" : : : "cc");
-}
-
-#endif
diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c
index 24203f9a6796..903edb02fe4f 100644
--- a/arch/arm/mach-ep93xx/core.c
+++ b/arch/arm/mach-ep93xx/core.c
@@ -279,48 +279,14 @@ static struct amba_pl010_data ep93xx_uart_data = {
         .set_mctrl      = ep93xx_uart_set_mctrl,
 };
 
-static struct amba_device uart1_device = {
-        .dev            = {
-                .init_name      = "apb:uart1",
-                .platform_data  = &ep93xx_uart_data,
-        },
-        .res            = {
-                .start  = EP93XX_UART1_PHYS_BASE,
-                .end    = EP93XX_UART1_PHYS_BASE + 0x0fff,
-                .flags  = IORESOURCE_MEM,
-        },
-        .irq            = { IRQ_EP93XX_UART1, NO_IRQ },
-        .periphid       = 0x00041010,
-};
-
-static struct amba_device uart2_device = {
-        .dev            = {
-                .init_name      = "apb:uart2",
-                .platform_data  = &ep93xx_uart_data,
-        },
-        .res            = {
-                .start  = EP93XX_UART2_PHYS_BASE,
-                .end    = EP93XX_UART2_PHYS_BASE + 0x0fff,
-                .flags  = IORESOURCE_MEM,
-        },
-        .irq            = { IRQ_EP93XX_UART2, NO_IRQ },
-        .periphid       = 0x00041010,
-};
+static AMBA_APB_DEVICE(uart1, "apb:uart1", 0x00041010, EP93XX_UART1_PHYS_BASE,
+        { IRQ_EP93XX_UART1 }, &ep93xx_uart_data);
 
-static struct amba_device uart3_device = {
-        .dev            = {
-                .init_name      = "apb:uart3",
-                .platform_data  = &ep93xx_uart_data,
-        },
-        .res            = {
-                .start  = EP93XX_UART3_PHYS_BASE,
-                .end    = EP93XX_UART3_PHYS_BASE + 0x0fff,
-                .flags  = IORESOURCE_MEM,
-        },
-        .irq            = { IRQ_EP93XX_UART3, NO_IRQ },
-        .periphid       = 0x00041010,
-};
+static AMBA_APB_DEVICE(uart2, "apb:uart2", 0x00041010, EP93XX_UART2_PHYS_BASE,
+        { IRQ_EP93XX_UART2 }, &ep93xx_uart_data);
 
+static AMBA_APB_DEVICE(uart3, "apb:uart3", 0x00041010, EP93XX_UART3_PHYS_BASE,
+        { IRQ_EP93XX_UART3 }, &ep93xx_uart_data);
 
 static struct resource ep93xx_rtc_resource[] = {
         {
diff --git a/arch/arm/mach-ep93xx/include/mach/system.h b/arch/arm/mach-ep93xx/include/mach/system.h
deleted file mode 100644
index b5bec7cb9b52..000000000000
--- a/arch/arm/mach-ep93xx/include/mach/system.h
+++ /dev/null
@@ -1,7 +0,0 @@
-/*
- * arch/arm/mach-ep93xx/include/mach/system.h
- */
-static inline void arch_idle(void)
-{
-        cpu_do_idle();
-}
diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c
index c59e18871006..031c1e5b3dfe 100644
--- a/arch/arm/mach-exynos/common.c
+++ b/arch/arm/mach-exynos/common.c
@@ -201,14 +201,6 @@ static struct map_desc exynos4_iodesc1[] __initdata = {
         },
 };
 
-static void exynos_idle(void)
-{
-        if (!need_resched())
-                cpu_do_idle();
-
-        local_irq_enable();
-}
-
 void exynos4_restart(char mode, const char *cmd)
 {
         __raw_writel(0x1, S5P_SWRESET);
@@ -467,10 +459,6 @@ early_initcall(exynos4_l2x0_cache_init);
 int __init exynos_init(void)
 {
         printk(KERN_INFO "EXYNOS: Initializing architecture\n");
-
-        /* set idle function */
-        pm_idle = exynos_idle;
-
         return device_register(&exynos4_dev);
 }
 
diff --git a/arch/arm/mach-exynos/dma.c b/arch/arm/mach-exynos/dma.c
index b10fcd270f07..91370def4a70 100644
--- a/arch/arm/mach-exynos/dma.c
+++ b/arch/arm/mach-exynos/dma.c
@@ -74,21 +74,8 @@ struct dma_pl330_platdata exynos4_pdma0_pdata = {
         .peri_id = pdma0_peri,
 };
 
-struct amba_device exynos4_device_pdma0 = {
-        .dev = {
-                .init_name = "dma-pl330.0",
-                .dma_mask = &dma_dmamask,
-                .coherent_dma_mask = DMA_BIT_MASK(32),
-                .platform_data = &exynos4_pdma0_pdata,
-        },
-        .res = {
-                .start = EXYNOS4_PA_PDMA0,
-                .end = EXYNOS4_PA_PDMA0 + SZ_4K,
-                .flags = IORESOURCE_MEM,
-        },
-        .irq = {IRQ_PDMA0, NO_IRQ},
-        .periphid = 0x00041330,
-};
+AMBA_AHB_DEVICE(exynos4_pdma0, "dma-pl330.0", 0x00041330, EXYNOS4_PA_PDMA0,
+        {IRQ_PDMA0}, &exynos4_pdma0_pdata);
 
 u8 pdma1_peri[] = {
         DMACH_PCM0_RX,
@@ -123,21 +110,8 @@ struct dma_pl330_platdata exynos4_pdma1_pdata = {
         .peri_id = pdma1_peri,
 };
 
-struct amba_device exynos4_device_pdma1 = {
-        .dev = {
-                .init_name = "dma-pl330.1",
-                .dma_mask = &dma_dmamask,
-                .coherent_dma_mask = DMA_BIT_MASK(32),
-                .platform_data = &exynos4_pdma1_pdata,
-        },
-        .res = {
-                .start = EXYNOS4_PA_PDMA1,
-                .end = EXYNOS4_PA_PDMA1 + SZ_4K,
-                .flags = IORESOURCE_MEM,
-        },
-        .irq = {IRQ_PDMA1, NO_IRQ},
-        .periphid = 0x00041330,
-};
+AMBA_AHB_DEVICE(exynos4_pdma1,  "dma-pl330.1", 0x00041330, EXYNOS4_PA_PDMA1,
+        {IRQ_PDMA1}, &exynos4_pdma1_pdata);
 
 static int __init exynos4_dma_init(void)
 {
@@ -146,11 +120,11 @@ static int __init exynos4_dma_init(void)
 
         dma_cap_set(DMA_SLAVE, exynos4_pdma0_pdata.cap_mask);
         dma_cap_set(DMA_CYCLIC, exynos4_pdma0_pdata.cap_mask);
-        amba_device_register(&exynos4_device_pdma0, &iomem_resource);
+        amba_device_register(&exynos4_pdma0_device, &iomem_resource);
 
         dma_cap_set(DMA_SLAVE, exynos4_pdma1_pdata.cap_mask);
         dma_cap_set(DMA_CYCLIC, exynos4_pdma1_pdata.cap_mask);
-        amba_device_register(&exynos4_device_pdma1, &iomem_resource);
+        amba_device_register(&exynos4_pdma1_device, &iomem_resource);
 
         return 0;
 }
diff --git a/arch/arm/mach-exynos/include/mach/system.h b/arch/arm/mach-exynos/include/mach/system.h
deleted file mode 100644
index 0063a6de3dc8..000000000000
--- a/arch/arm/mach-exynos/include/mach/system.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/* linux/arch/arm/mach-exynos4/include/mach/system.h
- *
- * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
- *              http://www.samsung.com
- *
- * EXYNOS4 - system support header
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#ifndef __ASM_ARCH_SYSTEM_H
-#define __ASM_ARCH_SYSTEM_H __FILE__
-
-static void arch_idle(void)
-{
-        /* nothing here yet */
-}
-#endif /* __ASM_ARCH_SYSTEM_H */
diff --git a/arch/arm/mach-footbridge/include/mach/system.h b/arch/arm/mach-footbridge/include/mach/system.h
deleted file mode 100644
index a174a5841bc2..000000000000
--- a/arch/arm/mach-footbridge/include/mach/system.h
+++ /dev/null
@@ -1,13 +0,0 @@
-/*
- *  arch/arm/mach-footbridge/include/mach/system.h
- *
- *  Copyright (C) 1996-1999 Russell King.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-static inline void arch_idle(void)
-{
-        cpu_do_idle();
-}
diff --git a/arch/arm/mach-gemini/Makefile b/arch/arm/mach-gemini/Makefile
index c5b24b95a76e..7355c0bbcb5e 100644
--- a/arch/arm/mach-gemini/Makefile
+++ b/arch/arm/mach-gemini/Makefile
@@ -4,7 +4,7 @@
 
 # Object file lists.
 
-obj-y                   := irq.o mm.o time.o devices.o gpio.o
+obj-y                   := irq.o mm.o time.o devices.o gpio.o idle.o
 
 # Board-specific support
 obj-$(CONFIG_MACH_NAS4220B)     += board-nas4220b.o
diff --git a/arch/arm/mach-gemini/idle.c b/arch/arm/mach-gemini/idle.c
new file mode 100644
index 000000000000..92bbd6bb600a
--- /dev/null
+++ b/arch/arm/mach-gemini/idle.c
@@ -0,0 +1,29 @@
+/*
+ * arch/arm/mach-gemini/idle.c
+ */
+
+#include <linux/init.h>
+#include <asm/system.h>
+#include <asm/proc-fns.h>
+
+static void gemini_idle(void)
+{
+        /*
+         * Because of broken hardware we have to enable interrupts or the CPU
+         * will never wakeup... Acctualy it is not very good to enable
+         * interrupts first since scheduler can miss a tick, but there is
+         * no other way around this. Platforms that needs it for power saving
+         * should call enable_hlt() in init code, since by default it is
+         * disabled.
+         */
+        local_irq_enable();
+        cpu_do_idle();
+}
+
+static int __init gemini_idle_init(void)
+{
+        arm_pm_idle = gemini_idle;
+        return 0;
+}
+
+arch_initcall(gemini_idle_init);
diff --git a/arch/arm/mach-gemini/include/mach/system.h b/arch/arm/mach-gemini/include/mach/system.h
index 4d9c1f872472..a33b5a1f8ab4 100644
--- a/arch/arm/mach-gemini/include/mach/system.h
+++ b/arch/arm/mach-gemini/include/mach/system.h
@@ -14,20 +14,6 @@
 #include <mach/hardware.h>
 #include <mach/global_reg.h>
 
-static inline void arch_idle(void)
-{
-        /*
-         * Because of broken hardware we have to enable interrupts or the CPU
-         * will never wakeup... Acctualy it is not very good to enable
-         * interrupts here since scheduler can miss a tick, but there is
-         * no other way around this. Platforms that needs it for power saving
-         * should call enable_hlt() in init code, since by default it is
-         * disabled.
-         */
-        local_irq_enable();
-        cpu_do_idle();
-}
-
 static inline void arch_reset(char mode, const char *cmd)
 {
         __raw_writel(RESET_GLOBAL | RESET_CPU1,
diff --git a/arch/arm/mach-gemini/irq.c b/arch/arm/mach-gemini/irq.c
index 9485a8fdf851..ca70e5fcc7ac 100644
--- a/arch/arm/mach-gemini/irq.c
+++ b/arch/arm/mach-gemini/irq.c
@@ -73,8 +73,8 @@ void __init gemini_init_irq(void)
         unsigned int i, mode = 0, level = 0;
 
         /*
-         * Disable arch_idle() by default since it is buggy
-         * For more info see arch/arm/mach-gemini/include/mach/system.h
+         * Disable the idle handler by default since it is buggy
+         * For more info see arch/arm/mach-gemini/idle.c
          */
         disable_hlt();
 
diff --git a/arch/arm/mach-h720x/common.c b/arch/arm/mach-h720x/common.c
index f8a2f6bb5483..e756d1ac00c2 100644
--- a/arch/arm/mach-h720x/common.c
+++ b/arch/arm/mach-h720x/common.c
@@ -247,3 +247,21 @@ void h720x_restart(char mode, const char *cmd)
 {
         CPU_REG (PMU_BASE, PMU_STAT) |= PMU_WARMRESET;
 }
+
+static void h720x__idle(void)
+{
+        CPU_REG (PMU_BASE, PMU_MODE) = PMU_MODE_IDLE;
+        nop();
+        nop();
+        CPU_REG (PMU_BASE, PMU_MODE) = PMU_MODE_RUN;
+        nop();
+        nop();
+}
+
+static int __init h720x_idle_init(void)
+{
+        arm_pm_idle = h720x__idle;
+        return 0;
+}
+
+arch_initcall(h720x_idle_init);
diff --git a/arch/arm/mach-h720x/include/mach/system.h b/arch/arm/mach-h720x/include/mach/system.h
deleted file mode 100644
index 16ac46e239aa..000000000000
--- a/arch/arm/mach-h720x/include/mach/system.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * arch/arm/mach-h720x/include/mach/system.h
- *
- * Copyright (C) 2001-2002 Jungjun Kim, Hynix Semiconductor Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- * arch/arm/mach-h720x/include/mach/system.h
- *
- */
-
-#ifndef __ASM_ARCH_SYSTEM_H
-#define __ASM_ARCH_SYSTEM_H
-#include <mach/hardware.h>
-
-static void arch_idle(void)
-{
-        CPU_REG (PMU_BASE, PMU_MODE) = PMU_MODE_IDLE;
-        nop();
-        nop();
-        CPU_REG (PMU_BASE, PMU_MODE) = PMU_MODE_RUN;
-        nop();
-        nop();
-}
-
-#endif
diff --git a/arch/arm/mach-highbank/include/mach/system.h b/arch/arm/mach-highbank/include/mach/system.h
deleted file mode 100644
index b1d8b5fbe373..000000000000
--- a/arch/arm/mach-highbank/include/mach/system.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright 2010-2011 Calxeda, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-#ifndef __MACH_SYSTEM_H
-#define __MACH_SYSTEM_H
-
-static inline void arch_idle(void)
-{
-        cpu_do_idle();
-}
-
-#endif
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 4defb97bbfc8..96b1f62c3929 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -320,8 +320,10 @@ config MACH_IMX27_VISSTRIM_M10
         select IMX_HAVE_PLATFORM_IMX_I2C
         select IMX_HAVE_PLATFORM_IMX_SSI
         select IMX_HAVE_PLATFORM_IMX_UART
-        select IMX_HAVE_PLATFORM_MXC_MMC
+        select IMX_HAVE_PLATFORM_MX2_CAMERA
         select IMX_HAVE_PLATFORM_MXC_EHCI
+        select IMX_HAVE_PLATFORM_MXC_MMC
+        select LEDS_GPIO_REGISTER
         help
           Include support for Visstrim_m10 platform and its different variants.
           This includes specific configurations for the board and its
@@ -492,6 +494,7 @@ config MACH_MX31MOBOARD
         bool "Support mx31moboard platforms (EPFL Mobots group)"
         select SOC_IMX31
         select IMX_HAVE_PLATFORM_FSL_USB2_UDC
+        select IMX_HAVE_PLATFORM_IMX2_WDT
         select IMX_HAVE_PLATFORM_IMX_I2C
         select IMX_HAVE_PLATFORM_IMX_UART
         select IMX_HAVE_PLATFORM_IPU_CORE
diff --git a/arch/arm/mach-imx/mach-imx27_visstrim_m10.c b/arch/arm/mach-imx/mach-imx27_visstrim_m10.c
index c2766ae02b4f..0a1643c3f17d 100644
--- a/arch/arm/mach-imx/mach-imx27_visstrim_m10.c
+++ b/arch/arm/mach-imx/mach-imx27_visstrim_m10.c
@@ -30,6 +30,10 @@
 #include <linux/input.h>
 #include <linux/gpio.h>
 #include <linux/delay.h>
+#include <linux/dma-mapping.h>
+#include <linux/leds.h>
+#include <linux/memblock.h>
+#include <media/soc_camera.h>
 #include <sound/tlv320aic32x4.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -39,6 +43,8 @@
 
 #include "devices-imx27.h"
 
+#define TVP5150_RSTN (GPIO_PORTC + 18)
+#define TVP5150_PWDN (GPIO_PORTC + 19)
 #define OTG_PHY_CS_GPIO (GPIO_PORTF + 17)
 #define SDHC1_IRQ IRQ_GPIOB(25)
 
@@ -100,8 +106,99 @@ static const int visstrim_m10_pins[] __initconst = {
         PE1_PF_USBOTG_STP,
         PB23_PF_USB_PWR,
         PB24_PF_USB_OC,
+        /* CSI */
+        PB10_PF_CSI_D0,
+        PB11_PF_CSI_D1,
+        PB12_PF_CSI_D2,
+        PB13_PF_CSI_D3,
+        PB14_PF_CSI_D4,
+        PB15_PF_CSI_MCLK,
+        PB16_PF_CSI_PIXCLK,
+        PB17_PF_CSI_D5,
+        PB18_PF_CSI_D6,
+        PB19_PF_CSI_D7,
+        PB20_PF_CSI_VSYNC,
+        PB21_PF_CSI_HSYNC,
 };
 
+/* Camera */
+static int visstrim_camera_power(struct device *dev, int on)
+{
+        gpio_set_value(TVP5150_PWDN, on);
+
+        return 0;
+};
+
+static int visstrim_camera_reset(struct device *dev)
+{
+        gpio_set_value(TVP5150_RSTN, 0);
+        ndelay(500);
+        gpio_set_value(TVP5150_RSTN, 1);
+
+        return 0;
+};
+
+static struct i2c_board_info visstrim_i2c_camera =  {
+        I2C_BOARD_INFO("tvp5150", 0x5d),
+};
+
+static struct soc_camera_link iclink_tvp5150 = {
+        .bus_id         = 0,
+        .board_info     = &visstrim_i2c_camera,
+        .i2c_adapter_id = 0,
+        .power = visstrim_camera_power,
+        .reset = visstrim_camera_reset,
+};
+
+static struct mx2_camera_platform_data visstrim_camera = {
+        .flags = MX2_CAMERA_CCIR | MX2_CAMERA_CCIR_INTERLACE |
+                        MX2_CAMERA_SWAP16 | MX2_CAMERA_PCLK_SAMPLE_RISING,
+        .clk = 100000,
+};
+
+static phys_addr_t mx2_camera_base __initdata;
+#define MX2_CAMERA_BUF_SIZE SZ_8M
+
+static void __init visstrim_camera_init(void)
+{
+        struct platform_device *pdev;
+        int dma;
+
+        /* Initialize tvp5150 gpios */
+        mxc_gpio_mode(TVP5150_RSTN | GPIO_GPIO | GPIO_OUT);
+        mxc_gpio_mode(TVP5150_PWDN | GPIO_GPIO | GPIO_OUT);
+        gpio_set_value(TVP5150_RSTN, 1);
+        gpio_set_value(TVP5150_PWDN, 0);
+        ndelay(1);
+
+        gpio_set_value(TVP5150_PWDN, 1);
+        ndelay(1);
+        gpio_set_value(TVP5150_RSTN, 0);
+        ndelay(500);
+        gpio_set_value(TVP5150_RSTN, 1);
+        ndelay(200000);
+
+        pdev = imx27_add_mx2_camera(&visstrim_camera);
+        if (IS_ERR(pdev))
+                return;
+
+        dma = dma_declare_coherent_memory(&pdev->dev,
+                                mx2_camera_base, mx2_camera_base,
+                                MX2_CAMERA_BUF_SIZE,
+                                DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
+        if (!(dma & DMA_MEMORY_MAP))
+                return;
+}
+
+static void __init visstrim_reserve(void)
+{
+        /* reserve 4 MiB for mx2-camera */
+        mx2_camera_base = memblock_alloc(MX2_CAMERA_BUF_SIZE,
+                        MX2_CAMERA_BUF_SIZE);
+        memblock_free(mx2_camera_base, MX2_CAMERA_BUF_SIZE);
+        memblock_remove(mx2_camera_base, MX2_CAMERA_BUF_SIZE);
+}
+
 /* GPIOs used as events for applications */
 static struct gpio_keys_button visstrim_gpio_keys[] = {
         {
@@ -136,6 +233,35 @@ static const struct gpio_keys_platform_data
         .nbuttons       = ARRAY_SIZE(visstrim_gpio_keys),
 };
 
+/* led */
+static const struct gpio_led visstrim_m10_leds[] __initconst = {
+        {
+                .name = "visstrim:ld0",
+                .default_trigger = "nand-disk",
+                .gpio = (GPIO_PORTC + 29),
+        },
+        {
+                .name = "visstrim:ld1",
+                .default_trigger = "nand-disk",
+                .gpio = (GPIO_PORTC + 24),
+        },
+        {
+                .name = "visstrim:ld2",
+                .default_trigger = "nand-disk",
+                .gpio = (GPIO_PORTC + 28),
+        },
+        {
+                .name = "visstrim:ld3",
+                .default_trigger = "nand-disk",
+                .gpio = (GPIO_PORTC + 25),
+        },
+};
+
+static const struct gpio_led_platform_data visstrim_m10_led_data __initconst = {
+        .leds = visstrim_m10_leds,
+        .num_leds = ARRAY_SIZE(visstrim_m10_leds),
+};
+
 /* Visstrim_SM10 has a microSD slot connected to sdhc1 */
 static int visstrim_m10_sdhc1_init(struct device *dev,
                 irq_handler_t detect_irq, void *data)
@@ -216,6 +342,9 @@ static struct i2c_board_info visstrim_m10_i2c_devices[] = {
         {
                 I2C_BOARD_INFO("tlv320aic32x4", 0x18),
                 .platform_data = &visstrim_m10_aic32x4_pdata,
+        },
+        {
+                 I2C_BOARD_INFO("m41t00", 0x68),
         }
 };
 
@@ -254,15 +383,20 @@ static void __init visstrim_m10_board_init(void)
         imx27_add_imx_ssi(0, &visstrim_m10_ssi_pdata);
         imx27_add_imx_uart0(&uart_pdata);
 
-        i2c_register_board_info(0, visstrim_m10_i2c_devices,
-                                ARRAY_SIZE(visstrim_m10_i2c_devices));
         imx27_add_imx_i2c(0, &visstrim_m10_i2c_data);
         imx27_add_imx_i2c(1, &visstrim_m10_i2c_data);
+        i2c_register_board_info(0, visstrim_m10_i2c_devices,
+                                ARRAY_SIZE(visstrim_m10_i2c_devices));
+
         imx27_add_mxc_mmc(0, &visstrim_m10_sdhc_pdata);
         imx27_add_mxc_ehci_otg(&visstrim_m10_usbotg_pdata);
         imx27_add_fec(NULL);
         imx_add_gpio_keys(&visstrim_gpio_keys_platform_data);
         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
+        platform_device_register_resndata(NULL, "soc-camera-pdrv", 0, NULL, 0,
+                                      &iclink_tvp5150, sizeof(iclink_tvp5150));
+        gpio_led_register_device(0, &visstrim_m10_led_data);
+        visstrim_camera_init();
 }
 
 static void __init visstrim_m10_timer_init(void)
@@ -276,6 +410,7 @@ static struct sys_timer visstrim_m10_timer = {
 
 MACHINE_START(IMX27_VISSTRIM_M10, "Vista Silicon Visstrim_M10")
         .atag_offset = 0x100,
+        .reserve = visstrim_reserve,
         .map_io = mx27_map_io,
         .init_early = imx27_init_early,
         .init_irq = mx27_init_irq,
diff --git a/arch/arm/mach-imx/mach-mx31moboard.c b/arch/arm/mach-imx/mach-mx31moboard.c
index f225262b5c38..c0511fb1a5f9 100644
--- a/arch/arm/mach-imx/mach-mx31moboard.c
+++ b/arch/arm/mach-imx/mach-mx31moboard.c
@@ -530,6 +530,8 @@ static void __init mx31moboard_init(void)
         platform_add_devices(devices, ARRAY_SIZE(devices));
         gpio_led_register_device(-1, &mx31moboard_led_pdata);
 
+        imx31_add_imx2_wdt(NULL);
+
         imx31_add_imx_uart0(&uart0_pdata);
         imx31_add_imx_uart4(&uart4_pdata);
 
@@ -590,7 +592,7 @@ static void __init mx31moboard_reserve(void)
 }
 
 MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard")
-        /* Maintainer: Valentin Longchamp, EPFL Mobots group */
+        /* Maintainer: Philippe Retornaz, EPFL Mobots group */
         .atag_offset = 0x100,
         .reserve = mx31moboard_reserve,
         .map_io = mx31_map_io,
diff --git a/arch/arm/mach-imx/mm-imx3.c b/arch/arm/mach-imx/mm-imx3.c
index 31807d2a8b7b..8404ee72555a 100644
--- a/arch/arm/mach-imx/mm-imx3.c
+++ b/arch/arm/mach-imx/mm-imx3.c
@@ -34,31 +34,29 @@ static void imx3_idle(void)
 {
         unsigned long reg = 0;
 
-        if (!need_resched())
-                __asm__ __volatile__(
-                        /* disable I and D cache */
-                        "mrc p15, 0, %0, c1, c0, 0\n"
-                        "bic %0, %0, #0x00001000\n"
-                        "bic %0, %0, #0x00000004\n"
-                        "mcr p15, 0, %0, c1, c0, 0\n"
-                        /* invalidate I cache */
-                        "mov %0, #0\n"
-                        "mcr p15, 0, %0, c7, c5, 0\n"
-                        /* clear and invalidate D cache */
-                        "mov %0, #0\n"
-                        "mcr p15, 0, %0, c7, c14, 0\n"
-                        /* WFI */
-                        "mov %0, #0\n"
-                        "mcr p15, 0, %0, c7, c0, 4\n"
-                        "nop\n" "nop\n" "nop\n" "nop\n"
-                        "nop\n" "nop\n" "nop\n"
-                        /* enable I and D cache */
-                        "mrc p15, 0, %0, c1, c0, 0\n"
-                        "orr %0, %0, #0x00001000\n"
-                        "orr %0, %0, #0x00000004\n"
-                        "mcr p15, 0, %0, c1, c0, 0\n"
-                        : "=r" (reg));
-        local_irq_enable();
+        __asm__ __volatile__(
+                /* disable I and D cache */
+                "mrc p15, 0, %0, c1, c0, 0\n"
+                "bic %0, %0, #0x00001000\n"
+                "bic %0, %0, #0x00000004\n"
+                "mcr p15, 0, %0, c1, c0, 0\n"
+                /* invalidate I cache */
+                "mov %0, #0\n"
+                "mcr p15, 0, %0, c7, c5, 0\n"
+                /* clear and invalidate D cache */
+                "mov %0, #0\n"
+                "mcr p15, 0, %0, c7, c14, 0\n"
+                /* WFI */
+                "mov %0, #0\n"
+                "mcr p15, 0, %0, c7, c0, 4\n"
+                "nop\n" "nop\n" "nop\n" "nop\n"
+                "nop\n" "nop\n" "nop\n"
+                /* enable I and D cache */
+                "mrc p15, 0, %0, c1, c0, 0\n"
+                "orr %0, %0, #0x00001000\n"
+                "orr %0, %0, #0x00000004\n"
+                "mcr p15, 0, %0, c1, c0, 0\n"
+                : "=r" (reg));
 }
 
 static void __iomem *imx3_ioremap(unsigned long phys_addr, size_t size,
@@ -134,8 +132,8 @@ void __init imx31_init_early(void)
 {
         mxc_set_cpu_type(MXC_CPU_MX31);
         mxc_arch_reset_init(MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR));
-        pm_idle = imx3_idle;
         imx_ioremap = imx3_ioremap;
+        arm_pm_idle = imx3_idle;
 }
 
 void __init mx31_init_irq(void)
@@ -197,7 +195,7 @@ void __init imx35_init_early(void)
         mxc_set_cpu_type(MXC_CPU_MX35);
         mxc_iomux_v3_init(MX35_IO_ADDRESS(MX35_IOMUXC_BASE_ADDR));
         mxc_arch_reset_init(MX35_IO_ADDRESS(MX35_WDOG_BASE_ADDR));
-        pm_idle = imx3_idle;
+        arm_pm_idle = imx3_idle;
         imx_ioremap = imx3_ioremap;
 }
 
diff --git a/arch/arm/mach-imx/mm-imx5.c b/arch/arm/mach-imx/mm-imx5.c
index bc17dfea3817..49549a72dc7d 100644
--- a/arch/arm/mach-imx/mm-imx5.c
+++ b/arch/arm/mach-imx/mm-imx5.c
@@ -26,23 +26,17 @@ static struct clk *gpc_dvfs_clk;
 
 static void imx5_idle(void)
 {
-        if (!need_resched()) {
-                /* gpc clock is needed for SRPG */
-                if (gpc_dvfs_clk == NULL) {
-                        gpc_dvfs_clk = clk_get(NULL, "gpc_dvfs");
-                        if (IS_ERR(gpc_dvfs_clk))
-                                goto err0;
-                }
-                clk_enable(gpc_dvfs_clk);
-                mx5_cpu_lp_set(WAIT_UNCLOCKED_POWER_OFF);
-                if (tzic_enable_wake())
-                        goto err1;
-                cpu_do_idle();
-err1:
-                clk_disable(gpc_dvfs_clk);
+        /* gpc clock is needed for SRPG */
+        if (gpc_dvfs_clk == NULL) {
+                gpc_dvfs_clk = clk_get(NULL, "gpc_dvfs");
+                if (IS_ERR(gpc_dvfs_clk))
+                        return;
         }
-err0:
-        local_irq_enable();
+        clk_enable(gpc_dvfs_clk);
+        mx5_cpu_lp_set(WAIT_UNCLOCKED_POWER_OFF);
+        if (tzic_enable_wake() != 0)
+                cpu_do_idle();
+        clk_disable(gpc_dvfs_clk);
 }
 
 /*
@@ -108,7 +102,7 @@ void __init imx51_init_early(void)
         mxc_set_cpu_type(MXC_CPU_MX51);
         mxc_iomux_v3_init(MX51_IO_ADDRESS(MX51_IOMUXC_BASE_ADDR));
         mxc_arch_reset_init(MX51_IO_ADDRESS(MX51_WDOG1_BASE_ADDR));
-        pm_idle = imx5_idle;
+        arm_pm_idle = imx5_idle;
 }
 
 void __init imx53_init_early(void)
diff --git a/arch/arm/mach-imx/pm-imx27.c b/arch/arm/mach-imx/pm-imx27.c
index e455d2f855bf..6fcffa7db978 100644
--- a/arch/arm/mach-imx/pm-imx27.c
+++ b/arch/arm/mach-imx/pm-imx27.c
@@ -10,7 +10,6 @@
 #include <linux/kernel.h>
 #include <linux/suspend.h>
 #include <linux/io.h>
-#include <mach/system.h>
 #include <mach/hardware.h>
 
 static int mx27_suspend_enter(suspend_state_t state)
@@ -23,7 +22,7 @@ static int mx27_suspend_enter(suspend_state_t state)
                 cscr &= 0xFFFFFFFC;
                 __raw_writel(cscr, MX27_IO_ADDRESS(MX27_CCM_BASE_ADDR));
                 /* Executes WFI */
-                arch_idle();
+                cpu_do_idle();
                 break;
 
         default:
diff --git a/arch/arm/mach-integrator/core.c b/arch/arm/mach-integrator/core.c
index 019f0ab08f66..15b87f26ac96 100644
--- a/arch/arm/mach-integrator/core.c
+++ b/arch/arm/mach-integrator/core.c
@@ -35,67 +35,23 @@
 
 static struct amba_pl010_data integrator_uart_data;
 
-static struct amba_device rtc_device = {
-        .dev            = {
-                .init_name = "mb:15",
-        },
-        .res            = {
-                .start  = INTEGRATOR_RTC_BASE,
-                .end    = INTEGRATOR_RTC_BASE + SZ_4K - 1,
-                .flags  = IORESOURCE_MEM,
-        },
-        .irq            = { IRQ_RTCINT, NO_IRQ },
-};
+#define INTEGRATOR_RTC_IRQ      { IRQ_RTCINT }
+#define INTEGRATOR_UART0_IRQ    { IRQ_UARTINT0 }
+#define INTEGRATOR_UART1_IRQ    { IRQ_UARTINT1 }
+#define KMI0_IRQ                { IRQ_KMIINT0 }
+#define KMI1_IRQ                { IRQ_KMIINT1 }
 
-static struct amba_device uart0_device = {
-        .dev            = {
-                .init_name = "mb:16",
-                .platform_data = &integrator_uart_data,
-        },
-        .res            = {
-                .start  = INTEGRATOR_UART0_BASE,
-                .end    = INTEGRATOR_UART0_BASE + SZ_4K - 1,
-                .flags  = IORESOURCE_MEM,
-        },
-        .irq            = { IRQ_UARTINT0, NO_IRQ },
-};
+static AMBA_APB_DEVICE(rtc, "mb:15", 0,
+        INTEGRATOR_RTC_BASE, INTEGRATOR_RTC_IRQ, NULL);
 
-static struct amba_device uart1_device = {
-        .dev            = {
-                .init_name = "mb:17",
-                .platform_data = &integrator_uart_data,
-        },
-        .res            = {
-                .start  = INTEGRATOR_UART1_BASE,
-                .end    = INTEGRATOR_UART1_BASE + SZ_4K - 1,
-                .flags  = IORESOURCE_MEM,
-        },
-        .irq            = { IRQ_UARTINT1, NO_IRQ },
-};
+static AMBA_APB_DEVICE(uart0, "mb:16", 0,
+        INTEGRATOR_UART0_BASE, INTEGRATOR_UART0_IRQ, &integrator_uart_data);
 
-static struct amba_device kmi0_device = {
-        .dev            = {
-                .init_name = "mb:18",
-        },
-        .res            = {
-                .start  = KMI0_BASE,
-                .end    = KMI0_BASE + SZ_4K - 1,
-                .flags  = IORESOURCE_MEM,
-        },
-        .irq            = { IRQ_KMIINT0, NO_IRQ },
-};
+static AMBA_APB_DEVICE(uart1, "mb:17", 0,
+        INTEGRATOR_UART1_BASE, INTEGRATOR_UART1_IRQ, &integrator_uart_data);
 
-static struct amba_device kmi1_device = {
-        .dev            = {
-                .init_name = "mb:19",
-        },
-        .res            = {
-                .start  = KMI1_BASE,
-                .end    = KMI1_BASE + SZ_4K - 1,
-                .flags  = IORESOURCE_MEM,
-        },
-        .irq            = { IRQ_KMIINT1, NO_IRQ },
-};
+static AMBA_APB_DEVICE(kmi0, "mb:18", 0, KMI0_BASE, KMI0_IRQ, NULL);
+static AMBA_APB_DEVICE(kmi1, "mb:19", 0, KMI1_BASE, KMI1_IRQ, NULL);
 
 static struct amba_device *amba_devs[] __initdata = {
         &rtc_device,
diff --git a/arch/arm/mach-integrator/impd1.c b/arch/arm/mach-integrator/impd1.c
index 8cbb75a96bd4..3e538da6cb1f 100644
--- a/arch/arm/mach-integrator/impd1.c
+++ b/arch/arm/mach-integrator/impd1.c
@@ -401,24 +401,21 @@ static int impd1_probe(struct lm_device *dev)
 
                 pc_base = dev->resource.start + idev->offset;
 
-                d = kzalloc(sizeof(struct amba_device), GFP_KERNEL);
+                d = amba_device_alloc(NULL, pc_base, SZ_4K);
                 if (!d)
                         continue;
 
                 dev_set_name(&d->dev, "lm%x:%5.5lx", dev->id, idev->offset >> 12);
                 d->dev.parent   = &dev->dev;
-                d->res.start    = dev->resource.start + idev->offset;
-                d->res.end      = d->res.start + SZ_4K - 1;
-                d->res.flags    = IORESOURCE_MEM;
                 d->irq[0]       = dev->irq;
                 d->irq[1]       = dev->irq;
                 d->periphid     = idev->id;
                 d->dev.platform_data = idev->platform_data;
 
-                ret = amba_device_register(d, &dev->resource);
+                ret = amba_device_add(d, &dev->resource);
                 if (ret) {
                         dev_err(&d->dev, "unable to register device: %d\n", ret);
-                        kfree(d);
+                        amba_device_put(d);
                 }
         }
 
diff --git a/arch/arm/mach-integrator/include/mach/system.h b/arch/arm/mach-integrator/include/mach/system.h
deleted file mode 100644
index 901514eba4a6..000000000000
--- a/arch/arm/mach-integrator/include/mach/system.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- *  arch/arm/mach-integrator/include/mach/system.h
- *
- *  Copyright (C) 1999 ARM Limited
- *  Copyright (C) 2000 Deep Blue Solutions Ltd
- *
- * 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
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-#ifndef __ASM_ARCH_SYSTEM_H
-#define __ASM_ARCH_SYSTEM_H
-
-static inline void arch_idle(void)
-{
-        /*
-         * This should do all the clock switching
-         * and wait for interrupt tricks
-         */
-        cpu_do_idle();
-}
-
-#endif
diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c
index a8b6aa6003f3..be9ead4a3bcc 100644
--- a/arch/arm/mach-integrator/integrator_cp.c
+++ b/arch/arm/mach-integrator/integrator_cp.c
@@ -347,32 +347,14 @@ static struct mmci_platform_data mmc_data = {
         .gpio_cd        = -1,
 };
 
-static struct amba_device mmc_device = {
-        .dev            = {
-                .init_name = "mb:1c",
-                .platform_data = &mmc_data,
-        },
-        .res            = {
-                .start  = INTEGRATOR_CP_MMC_BASE,
-                .end    = INTEGRATOR_CP_MMC_BASE + SZ_4K - 1,
-                .flags  = IORESOURCE_MEM,
-        },
-        .irq            = { IRQ_CP_MMCIINT0, IRQ_CP_MMCIINT1 },
-        .periphid       = 0,
-};
+#define INTEGRATOR_CP_MMC_IRQS  { IRQ_CP_MMCIINT0, IRQ_CP_MMCIINT1 }
+#define INTEGRATOR_CP_AACI_IRQS { IRQ_CP_AACIINT }
 
-static struct amba_device aaci_device = {
-        .dev            = {
-                .init_name = "mb:1d",
-        },
-        .res            = {
-                .start  = INTEGRATOR_CP_AACI_BASE,
-                .end    = INTEGRATOR_CP_AACI_BASE + SZ_4K - 1,
-                .flags  = IORESOURCE_MEM,
-        },
-        .irq            = { IRQ_CP_AACIINT, NO_IRQ },
-        .periphid       = 0,
-};
+static AMBA_APB_DEVICE(mmc, "mb:1c", 0, INTEGRATOR_CP_MMC_BASE,
+        INTEGRATOR_CP_MMC_IRQS, &mmc_data);
+
+static AMBA_APB_DEVICE(aaci, "mb:1d", 0, INTEGRATOR_CP_AACI_BASE,
+        INTEGRATOR_CP_AACI_IRQS, NULL);
 
 
 /*
@@ -425,21 +407,8 @@ static struct clcd_board clcd_data = {
         .remove         = versatile_clcd_remove_dma,
 };
 
-static struct amba_device clcd_device = {
-        .dev            = {
-                .init_name = "mb:c0",
-                .coherent_dma_mask = ~0,
-                .platform_data = &clcd_data,
-        },
-        .res            = {
-                .start  = INTCP_PA_CLCD_BASE,
-                .end    = INTCP_PA_CLCD_BASE + SZ_4K - 1,
-                .flags  = IORESOURCE_MEM,
-        },
-        .dma_mask       = ~0,
-        .irq            = { IRQ_CP_CLCDCINT, NO_IRQ },
-        .periphid       = 0,
-};
+static AMBA_AHB_DEVICE(clcd, "mb:c0", 0, INTCP_PA_CLCD_BASE,
+        { IRQ_CP_CLCDCINT }, &clcd_data);
 
 static struct amba_device *amba_devs[] __initdata = {
         &mmc_device,
diff --git a/arch/arm/mach-iop13xx/include/mach/system.h b/arch/arm/mach-iop13xx/include/mach/system.h
deleted file mode 100644
index 1f31ed3f8ae2..000000000000
--- a/arch/arm/mach-iop13xx/include/mach/system.h
+++ /dev/null
@@ -1,13 +0,0 @@
-/*
- * arch/arm/mach-iop13xx/include/mach/system.h
- *
- *  Copyright (C) 2004 Intel Corp.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-static inline void arch_idle(void)
-{
-        cpu_do_idle();
-}
diff --git a/arch/arm/mach-iop32x/include/mach/system.h b/arch/arm/mach-iop32x/include/mach/system.h
deleted file mode 100644
index 4a88727bca98..000000000000
--- a/arch/arm/mach-iop32x/include/mach/system.h
+++ /dev/null
@@ -1,13 +0,0 @@
-/*
- * arch/arm/mach-iop32x/include/mach/system.h
- *
- * Copyright (C) 2001 MontaVista Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-static inline void arch_idle(void)
-{
-        cpu_do_idle();
-}
diff --git a/arch/arm/mach-iop33x/include/mach/system.h b/arch/arm/mach-iop33x/include/mach/system.h
deleted file mode 100644
index 4f98e765397c..000000000000
--- a/arch/arm/mach-iop33x/include/mach/system.h
+++ /dev/null
@@ -1,13 +0,0 @@
-/*
- * arch/arm/mach-iop33x/include/mach/system.h
- *
- * Copyright (C) 2001 MontaVista Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-static inline void arch_idle(void)
-{
-        cpu_do_idle();
-}
diff --git a/arch/arm/mach-ixp2000/include/mach/system.h b/arch/arm/mach-ixp2000/include/mach/system.h
deleted file mode 100644
index a7fb08b2b8e7..000000000000
--- a/arch/arm/mach-ixp2000/include/mach/system.h
+++ /dev/null
@@ -1,14 +0,0 @@
-/*
- * arch/arm/mach-ixp2000/include/mach/system.h
- *
- * Copyright (C) 2002 Intel Corp.
- * Copyricht (C) 2003-2005 MontaVista Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-static inline void arch_idle(void)
-{
-        cpu_do_idle();
-}
diff --git a/arch/arm/mach-ixp23xx/core.c b/arch/arm/mach-ixp23xx/core.c
index 0923bb905cc0..7c1495e4fe7a 100644
--- a/arch/arm/mach-ixp23xx/core.c
+++ b/arch/arm/mach-ixp23xx/core.c
@@ -441,6 +441,9 @@ static struct platform_device *ixp23xx_devices[] __initdata = {
 
 void __init ixp23xx_sys_init(void)
 {
+        /* by default, the idle code is disabled */
+        disable_hlt();
+
         *IXP23XX_EXP_UNIT_FUSE |= 0xf;
         platform_add_devices(ixp23xx_devices, ARRAY_SIZE(ixp23xx_devices));
 }
diff --git a/arch/arm/mach-ixp23xx/include/mach/system.h b/arch/arm/mach-ixp23xx/include/mach/system.h
deleted file mode 100644
index 277dda7334b9..000000000000
--- a/arch/arm/mach-ixp23xx/include/mach/system.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/*
- * arch/arm/mach-ixp23xx/include/mach/system.h
- *
- * Copyright (C) 2003 Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-static inline void arch_idle(void)
-{
-#if 0
-        if (!hlt_counter)
-                cpu_do_idle();
-#endif
-}
diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c
index 3841ab4146ba..a6329a0a8ec4 100644
--- a/arch/arm/mach-ixp4xx/common.c
+++ b/arch/arm/mach-ixp4xx/common.c
@@ -236,6 +236,12 @@ void __init ixp4xx_init_irq(void)
 {
         int i = 0;
 
+        /*
+         * ixp4xx does not implement the XScale PWRMODE register
+         * so it must not call cpu_do_idle().
+         */
+        disable_hlt();
+
         /* Route all sources to IRQ instead of FIQ */
         *IXP4XX_ICLR = 0x0;
 
diff --git a/arch/arm/mach-ixp4xx/include/mach/system.h b/arch/arm/mach-ixp4xx/include/mach/system.h
deleted file mode 100644
index 140a9bef4466..000000000000
--- a/arch/arm/mach-ixp4xx/include/mach/system.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * arch/arm/mach-ixp4xx/include/mach/system.h
- *
- * Copyright (C) 2002 Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- */
-static inline void arch_idle(void)
-{
-        /* ixp4xx does not implement the XScale PWRMODE register,
-         * so it must not call cpu_do_idle() here.
-         */
-#if 0
-        cpu_do_idle();
-#endif
-}
diff --git a/arch/arm/mach-kirkwood/Kconfig b/arch/arm/mach-kirkwood/Kconfig
index 7fc603b46891..90ceab761929 100644
--- a/arch/arm/mach-kirkwood/Kconfig
+++ b/arch/arm/mach-kirkwood/Kconfig
@@ -44,6 +44,20 @@ config MACH_GURUPLUG
           Say 'Y' here if you want your kernel to support the
           Marvell GuruPlug Reference Board.
 
+config ARCH_KIRKWOOD_DT
+        bool "Marvell Kirkwood Flattened Device Tree"
+        select USE_OF
+        help
+          Say 'Y' here if you want your kernel to support the
+          Marvell Kirkwood using flattened device tree.
+
+config MACH_DREAMPLUG_DT
+        bool "Marvell DreamPlug (Flattened Device Tree)"
+        select ARCH_KIRKWOOD_DT
+        help
+          Say 'Y' here if you want your kernel to support the
+          Marvell DreamPlug (Flattened Device Tree).
+
 config MACH_TS219
         bool "QNAP TS-110, TS-119, TS-119P+, TS-210, TS-219, TS-219P and TS-219P+ Turbo NAS"
         help
diff --git a/arch/arm/mach-kirkwood/Makefile b/arch/arm/mach-kirkwood/Makefile
index 5dcaa81a2ec3..acbc5e1db06f 100644
--- a/arch/arm/mach-kirkwood/Makefile
+++ b/arch/arm/mach-kirkwood/Makefile
@@ -20,3 +20,4 @@ obj-$(CONFIG_MACH_NET5BIG_V2)		+= netxbig_v2-setup.o lacie_v2-common.o
 obj-$(CONFIG_MACH_T5325)                += t5325-setup.o
 
 obj-$(CONFIG_CPU_IDLE)                  += cpuidle.o
+obj-$(CONFIG_ARCH_KIRKWOOD_DT)          += board-dt.o
diff --git a/arch/arm/mach-kirkwood/Makefile.boot b/arch/arm/mach-kirkwood/Makefile.boot
index 760a0efe7580..16f938522304 100644
--- a/arch/arm/mach-kirkwood/Makefile.boot
+++ b/arch/arm/mach-kirkwood/Makefile.boot
@@ -1,3 +1,5 @@
    zreladdr-y   += 0x00008000
 params_phys-y   := 0x00000100
 initrd_phys-y   := 0x00800000
+
+dtb-$(CONFIG_MACH_DREAMPLUG_DT) += kirkwood-dreamplug.dtb
diff --git a/arch/arm/mach-kirkwood/board-dt.c b/arch/arm/mach-kirkwood/board-dt.c
new file mode 100644
index 000000000000..fbe6405602ed
--- /dev/null
+++ b/arch/arm/mach-kirkwood/board-dt.c
@@ -0,0 +1,180 @@
+/*
+ * Copyright 2012 (C), Jason Cooper <jason@lakedaemon.net>
+ *
+ * arch/arm/mach-kirkwood/board-dt.c
+ *
+ * Marvell DreamPlug Reference Board Setup
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/partitions.h>
+#include <linux/ata_platform.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/of_fdt.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+#include <linux/gpio.h>
+#include <linux/leds.h>
+#include <linux/mtd/physmap.h>
+#include <linux/spi/flash.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/orion_spi.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <mach/kirkwood.h>
+#include <plat/mvsdio.h>
+#include "common.h"
+#include "mpp.h"
+
+static struct of_device_id kirkwood_dt_match_table[] __initdata = {
+        { .compatible = "simple-bus", },
+        { }
+};
+
+struct mtd_partition dreamplug_partitions[] = {
+        {
+                .name   = "u-boot",
+                .size   = SZ_512K,
+                .offset = 0,
+        },
+        {
+                .name   = "u-boot env",
+                .size   = SZ_64K,
+                .offset = SZ_512K + SZ_512K,
+        },
+        {
+                .name   = "dtb",
+                .size   = SZ_64K,
+                .offset = SZ_512K + SZ_512K + SZ_512K,
+        },
+};
+
+static const struct flash_platform_data dreamplug_spi_slave_data = {
+        .type           = "mx25l1606e",
+        .name           = "spi_flash",
+        .parts          = dreamplug_partitions,
+        .nr_parts       = ARRAY_SIZE(dreamplug_partitions),
+};
+
+static struct spi_board_info __initdata dreamplug_spi_slave_info[] = {
+        {
+                .modalias       = "m25p80",
+                .platform_data  = &dreamplug_spi_slave_data,
+                .irq            = -1,
+                .max_speed_hz   = 50000000,
+                .bus_num        = 0,
+                .chip_select    = 0,
+        },
+};
+
+static struct mv643xx_eth_platform_data dreamplug_ge00_data = {
+        .phy_addr       = MV643XX_ETH_PHY_ADDR(0),
+};
+
+static struct mv643xx_eth_platform_data dreamplug_ge01_data = {
+        .phy_addr       = MV643XX_ETH_PHY_ADDR(1),
+};
+
+static struct mv_sata_platform_data dreamplug_sata_data = {
+        .n_ports        = 1,
+};
+
+static struct mvsdio_platform_data dreamplug_mvsdio_data = {
+        /* unfortunately the CD signal has not been connected */
+};
+
+static struct gpio_led dreamplug_led_pins[] = {
+        {
+                .name                   = "dreamplug:blue:bluetooth",
+                .gpio                   = 47,
+                .active_low             = 1,
+        },
+        {
+                .name                   = "dreamplug:green:wifi",
+                .gpio                   = 48,
+                .active_low             = 1,
+        },
+        {
+                .name                   = "dreamplug:green:wifi_ap",
+                .gpio                   = 49,
+                .active_low             = 1,
+        },
+};
+
+static struct gpio_led_platform_data dreamplug_led_data = {
+        .leds           = dreamplug_led_pins,
+        .num_leds       = ARRAY_SIZE(dreamplug_led_pins),
+};
+
+static struct platform_device dreamplug_leds = {
+        .name   = "leds-gpio",
+        .id     = -1,
+        .dev    = {
+                .platform_data  = &dreamplug_led_data,
+        }
+};
+
+static unsigned int dreamplug_mpp_config[] __initdata = {
+        MPP0_SPI_SCn,
+        MPP1_SPI_MOSI,
+        MPP2_SPI_SCK,
+        MPP3_SPI_MISO,
+        MPP47_GPIO,     /* Bluetooth LED */
+        MPP48_GPIO,     /* Wifi LED */
+        MPP49_GPIO,     /* Wifi AP LED */
+        0
+};
+
+static void __init dreamplug_init(void)
+{
+        /*
+         * Basic setup. Needs to be called early.
+         */
+        kirkwood_mpp_conf(dreamplug_mpp_config);
+
+        spi_register_board_info(dreamplug_spi_slave_info,
+                                ARRAY_SIZE(dreamplug_spi_slave_info));
+        kirkwood_spi_init();
+
+        kirkwood_ehci_init();
+        kirkwood_ge00_init(&dreamplug_ge00_data);
+        kirkwood_ge01_init(&dreamplug_ge01_data);
+        kirkwood_sata_init(&dreamplug_sata_data);
+        kirkwood_sdio_init(&dreamplug_mvsdio_data);
+
+        platform_device_register(&dreamplug_leds);
+}
+
+static void __init kirkwood_dt_init(void)
+{
+        kirkwood_init();
+
+        if (of_machine_is_compatible("globalscale,dreamplug"))
+                dreamplug_init();
+
+        of_platform_populate(NULL, kirkwood_dt_match_table, NULL, NULL);
+}
+
+static const char *kirkwood_dt_board_compat[] = {
+        "globalscale,dreamplug",
+        NULL
+};
+
+DT_MACHINE_START(KIRKWOOD_DT, "Marvell Kirkwood (Flattened Device Tree)")
+        /* Maintainer: Jason Cooper <jason@lakedaemon.net> */
+        .map_io         = kirkwood_map_io,
+        .init_early     = kirkwood_init_early,
+        .init_irq       = kirkwood_init_irq,
+        .timer          = &kirkwood_timer,
+        .init_machine   = kirkwood_dt_init,
+        .restart        = kirkwood_restart,
+        .dt_compat      = kirkwood_dt_board_compat,
+MACHINE_END
diff --git a/arch/arm/mach-kirkwood/include/mach/system.h b/arch/arm/mach-kirkwood/include/mach/system.h
deleted file mode 100644
index 5fddde002b5e..000000000000
--- a/arch/arm/mach-kirkwood/include/mach/system.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/*
- * arch/arm/mach-kirkwood/include/mach/system.h
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2.  This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#ifndef __ASM_ARCH_SYSTEM_H
-#define __ASM_ARCH_SYSTEM_H
-
-static inline void arch_idle(void)
-{
-        cpu_do_idle();
-}
-
-#endif
diff --git a/arch/arm/mach-ks8695/include/mach/system.h b/arch/arm/mach-ks8695/include/mach/system.h
deleted file mode 100644
index 59fe992395bf..000000000000
--- a/arch/arm/mach-ks8695/include/mach/system.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * arch/arm/mach-s3c2410/include/mach/system.h
- *
- * Copyright (C) 2006 Simtec Electronics
- *      Ben Dooks <ben@simtec.co.uk>
- *
- * KS8695 - System function defines and includes
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef __ASM_ARCH_SYSTEM_H
-#define __ASM_ARCH_SYSTEM_H
-
-static void arch_idle(void)
-{
-        /*
-         * This should do all the clock switching
-         * and wait for interrupt tricks,
-         */
-        cpu_do_idle();
-
-}
-
-#endif
diff --git a/arch/arm/mach-lpc32xx/include/mach/system.h b/arch/arm/mach-lpc32xx/include/mach/system.h
deleted file mode 100644
index bf176c991520..000000000000
--- a/arch/arm/mach-lpc32xx/include/mach/system.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * arch/arm/mach-lpc32xx/include/mach/system.h
- *
- * Author: Kevin Wells <kevin.wells@nxp.com>
- *
- * Copyright (C) 2010 NXP Semiconductors
- *
- * 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
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#ifndef __ASM_ARCH_SYSTEM_H
-#define __ASM_ARCH_SYSTEM_H
-
-static void arch_idle(void)
-{
-        cpu_do_idle();
-}
-
-#endif
diff --git a/arch/arm/mach-lpc32xx/phy3250.c b/arch/arm/mach-lpc32xx/phy3250.c
index bfee5b455105..5d51c102c255 100644
--- a/arch/arm/mach-lpc32xx/phy3250.c
+++ b/arch/arm/mach-lpc32xx/phy3250.c
@@ -149,20 +149,8 @@ static struct clcd_board lpc32xx_clcd_data = {
         .remove         = lpc32xx_clcd_remove,
 };
 
-static struct amba_device lpc32xx_clcd_device = {
-        .dev                            = {
-                .coherent_dma_mask      = ~0,
-                .init_name              = "dev:clcd",
-                .platform_data          = &lpc32xx_clcd_data,
-        },
-        .res                            = {
-                .start                  = LPC32XX_LCD_BASE,
-                .end                    = (LPC32XX_LCD_BASE + SZ_4K - 1),
-                .flags                  = IORESOURCE_MEM,
-        },
-        .dma_mask                       = ~0,
-        .irq                            = {IRQ_LPC32XX_LCD, NO_IRQ},
-};
+static AMBA_AHB_DEVICE(lpc32xx_clcd, "dev:clcd", 0,
+        LPC32XX_LCD_BASE, { IRQ_LPC32XX_LCD }, &lpc32xx_clcd_data);
 
 /*
  * AMBA SSP (SPI)
@@ -191,20 +179,8 @@ static struct pl022_ssp_controller lpc32xx_ssp0_data = {
         .enable_dma             = 0,
 };
 
-static struct amba_device lpc32xx_ssp0_device = {
-        .dev                            = {
-                .coherent_dma_mask      = ~0,
-                .init_name              = "dev:ssp0",
-                .platform_data          = &lpc32xx_ssp0_data,
-        },
-        .res                            = {
-                .start                  = LPC32XX_SSP0_BASE,
-                .end                    = (LPC32XX_SSP0_BASE + SZ_4K - 1),
-                .flags                  = IORESOURCE_MEM,
-        },
-        .dma_mask                       = ~0,
-        .irq                            = {IRQ_LPC32XX_SSP0, NO_IRQ},
-};
+static AMBA_APB_DEVICE(lpc32xx_ssp0, "dev:ssp0", 0,
+        LPC32XX_SSP0_BASE, { IRQ_LPC32XX_SSP0 }, &lpc32xx_ssp0_data);
 
 /* AT25 driver registration */
 static int __init phy3250_spi_board_register(void)
diff --git a/arch/arm/mach-mmp/include/mach/system.h b/arch/arm/mach-mmp/include/mach/system.h
deleted file mode 100644
index 1d001eab81e1..000000000000
--- a/arch/arm/mach-mmp/include/mach/system.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/*
- * linux/arch/arm/mach-mmp/include/mach/system.h
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef __ASM_MACH_SYSTEM_H
-#define __ASM_MACH_SYSTEM_H
-
-static inline void arch_idle(void)
-{
-        cpu_do_idle();
-}
-#endif /* __ASM_MACH_SYSTEM_H */
diff --git a/arch/arm/mach-mmp/mmp2.c b/arch/arm/mach-mmp/mmp2.c
index 617c60a170a4..c709a24a9d25 100644
--- a/arch/arm/mach-mmp/mmp2.c
+++ b/arch/arm/mach-mmp/mmp2.c
@@ -223,6 +223,7 @@ struct resource mmp2_resource_gpio[] = {
         }, {
                 .start  = IRQ_MMP2_GPIO,
                 .end    = IRQ_MMP2_GPIO,
+                .name   = "gpio_mux",
                 .flags  = IORESOURCE_IRQ,
         },
 };
diff --git a/arch/arm/mach-mmp/pxa168.c b/arch/arm/mach-mmp/pxa168.c
index 7bc17eaa12eb..9f612565b140 100644
--- a/arch/arm/mach-mmp/pxa168.c
+++ b/arch/arm/mach-mmp/pxa168.c
@@ -167,6 +167,7 @@ struct resource pxa168_resource_gpio[] = {
         }, {
                 .start  = IRQ_PXA168_GPIOX,
                 .end    = IRQ_PXA168_GPIOX,
+                .name   = "gpio_mux",
                 .flags  = IORESOURCE_IRQ,
         },
 };
diff --git a/arch/arm/mach-mmp/pxa910.c b/arch/arm/mach-mmp/pxa910.c
index 3241a25784d0..0c87e69adf9f 100644
--- a/arch/arm/mach-mmp/pxa910.c
+++ b/arch/arm/mach-mmp/pxa910.c
@@ -173,6 +173,7 @@ struct resource pxa910_resource_gpio[] = {
         }, {
                 .start  = IRQ_PXA910_AP_GPIO,
                 .end    = IRQ_PXA910_AP_GPIO,
+                .name   = "gpio_mux",
                 .flags  = IORESOURCE_IRQ,
         },
 };
diff --git a/arch/arm/mach-msm/idle.S b/arch/arm/mach-msm/idle.S
deleted file mode 100644
index 6a94f0527137..000000000000
--- a/arch/arm/mach-msm/idle.S
+++ /dev/null
@@ -1,36 +0,0 @@
-/* arch/arm/mach-msm/include/mach/idle.S
- *
- * Idle processing for MSM7K - work around bugs with SWFI.
- *
- * Copyright (c) 2007 QUALCOMM Incorporated.
- * Copyright (C) 2007 Google, Inc. 
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- */ 
-                
-#include <linux/linkage.h>
-#include <asm/assembler.h>
-
-ENTRY(arch_idle)
-#ifdef CONFIG_MSM7X00A_IDLE
-        mrc     p15, 0, r1, c1, c0, 0    /* read current CR    */
-        bic     r0, r1, #(1 << 2)        /* clear dcache bit   */
-        bic     r0, r0, #(1 << 12)       /* clear icache bit   */
-        mcr     p15, 0, r0, c1, c0, 0    /* disable d/i cache  */
-
-        mov     r0, #0                   /* prepare wfi value  */
-        mcr     p15, 0, r0, c7, c10, 0   /* flush the cache    */
-        mcr     p15, 0, r0, c7, c10, 4   /* memory barrier     */
-        mcr     p15, 0, r0, c7, c0, 4    /* wait for interrupt */
-
-        mcr     p15, 0, r1, c1, c0, 0    /* restore d/i cache  */
-#endif
-        mov     pc, lr
diff --git a/arch/arm/mach-msm/idle.c b/arch/arm/mach-msm/idle.c
new file mode 100644
index 000000000000..0c9e13c65743
--- /dev/null
+++ b/arch/arm/mach-msm/idle.c
@@ -0,0 +1,49 @@
+/* arch/arm/mach-msm/idle.c
+ *
+ * Idle processing for MSM7K - work around bugs with SWFI.
+ *
+ * Copyright (c) 2007 QUALCOMM Incorporated.
+ * Copyright (C) 2007 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/init.h>
+#include <asm/system.h>
+
+static void msm_idle(void)
+{
+#ifdef CONFIG_MSM7X00A_IDLE
+        asm volatile (
+
+        "mrc     p15, 0, r1, c1, c0, 0    /* read current CR    */ \n\t"
+        "bic     r0, r1, #(1 << 2)        /* clear dcache bit   */ \n\t"
+        "bic     r0, r0, #(1 << 12)       /* clear icache bit   */ \n\t"
+        "mcr     p15, 0, r0, c1, c0, 0    /* disable d/i cache  */ \n\t"
+
+        "mov     r0, #0                   /* prepare wfi value  */ \n\t"
+        "mcr     p15, 0, r0, c7, c10, 0   /* flush the cache    */ \n\t"
+        "mcr     p15, 0, r0, c7, c10, 4   /* memory barrier     */ \n\t"
+        "mcr     p15, 0, r0, c7, c0, 4    /* wait for interrupt */ \n\t"
+
+        "mcr     p15, 0, r1, c1, c0, 0    /* restore d/i cache  */ \n\t"
+
+        : : : "r0","r1" );
+#endif
+}
+
+static int __init msm_idle_init(void)
+{
+        arm_pm_idle = msm_idle;
+        return 0;
+}
+
+arch_initcall(msm_idle_init);
diff --git a/arch/arm/mach-msm/include/mach/system.h b/arch/arm/mach-msm/include/mach/system.h
index 311db2b35da0..f5fb2ec87ffe 100644
--- a/arch/arm/mach-msm/include/mach/system.h
+++ b/arch/arm/mach-msm/include/mach/system.h
@@ -12,7 +12,6 @@
  * GNU General Public License for more details.
  *
  */
-void arch_idle(void);
 
 /* low level hardware reset hook -- for example, hitting the
  * PSHOLD line on the PMIC to hard reset the system
diff --git a/arch/arm/mach-mv78xx0/include/mach/system.h b/arch/arm/mach-mv78xx0/include/mach/system.h
deleted file mode 100644
index 8c3a5387cec7..000000000000
--- a/arch/arm/mach-mv78xx0/include/mach/system.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/*
- * arch/arm/mach-mv78xx0/include/mach/system.h
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2.  This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#ifndef __ASM_ARCH_SYSTEM_H
-#define __ASM_ARCH_SYSTEM_H
-
-static inline void arch_idle(void)
-{
-        cpu_do_idle();
-}
-
-#endif
diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig
index cf00b3e3be85..c57f9964a713 100644
--- a/arch/arm/mach-mxs/Kconfig
+++ b/arch/arm/mach-mxs/Kconfig
@@ -83,6 +83,18 @@ config MODULE_M28
         select MXS_HAVE_PLATFORM_MXSFB
         select MXS_OCOTP
 
+config MODULE_APX4
+        bool
+        select SOC_IMX28
+        select LEDS_GPIO_REGISTER
+        select MXS_HAVE_AMBA_DUART
+        select MXS_HAVE_PLATFORM_AUART
+        select MXS_HAVE_PLATFORM_FEC
+        select MXS_HAVE_PLATFORM_MXS_I2C
+        select MXS_HAVE_PLATFORM_MXS_MMC
+        select MXS_HAVE_PLATFORM_MXS_SAIF
+        select MXS_OCOTP
+
 config MACH_TX28
         bool "Ka-Ro TX28 module"
         select MODULE_TX28
@@ -91,4 +103,8 @@ config MACH_M28EVK
         bool "Support DENX M28EVK Platform"
         select MODULE_M28
 
+config MACH_APX4DEVKIT
+        bool "Support Bluegiga APX4 Development Kit"
+        select MODULE_APX4
+
 endif
diff --git a/arch/arm/mach-mxs/Makefile b/arch/arm/mach-mxs/Makefile
index 8c93b24896bf..908bf9a567f1 100644
--- a/arch/arm/mach-mxs/Makefile
+++ b/arch/arm/mach-mxs/Makefile
@@ -11,6 +11,7 @@ obj-$(CONFIG_MACH_STMP378X_DEVB) += mach-stmp378x_devb.o
 obj-$(CONFIG_MACH_MX23EVK) += mach-mx23evk.o
 obj-$(CONFIG_MACH_MX28EVK) += mach-mx28evk.o
 obj-$(CONFIG_MACH_M28EVK)    += mach-m28evk.o
+obj-$(CONFIG_MACH_APX4DEVKIT) += mach-apx4devkit.o
 obj-$(CONFIG_MODULE_TX28) += module-tx28.o
 obj-$(CONFIG_MACH_TX28)    += mach-tx28.o
 
diff --git a/arch/arm/mach-mxs/devices.c b/arch/arm/mach-mxs/devices.c
index fe3e847930c9..01faffec3064 100644
--- a/arch/arm/mach-mxs/devices.c
+++ b/arch/arm/mach-mxs/devices.c
@@ -77,16 +77,18 @@ err:
 
 int __init mxs_add_amba_device(const struct amba_device *dev)
 {
-        struct amba_device *adev = kmalloc(sizeof(*adev), GFP_KERNEL);
+        struct amba_device *adev = amba_device_alloc(dev->dev.init_name,
+                dev->res.start, resource_size(&dev->res));
 
         if (!adev) {
                 pr_err("%s: failed to allocate memory", __func__);
                 return -ENOMEM;
         }
 
-        *adev = *dev;
+        adev->irq[0] = dev->irq[0];
+        adev->irq[1] = dev->irq[1];
 
-        return amba_device_register(adev, &iomem_resource);
+        return amba_device_add(adev, &iomem_resource);
 }
 
 struct device mxs_apbh_bus = {
diff --git a/arch/arm/mach-mxs/devices/amba-duart.c b/arch/arm/mach-mxs/devices/amba-duart.c
index a559db09b49c..a5479f766046 100644
--- a/arch/arm/mach-mxs/devices/amba-duart.c
+++ b/arch/arm/mach-mxs/devices/amba-duart.c
@@ -23,7 +23,7 @@ const struct amba_device name##_device __initconst = {		\
                 .end = (soc ## _DUART_BASE_ADDR) + SZ_8K - 1,   \
                 .flags = IORESOURCE_MEM,                        \
         },                                                      \
-        .irq = {soc ## _INT_DUART, NO_IRQ},                     \
+        .irq = {soc ## _INT_DUART},                             \
 }
 
 #ifdef CONFIG_SOC_IMX23
diff --git a/arch/arm/mach-mxs/include/mach/digctl.h b/arch/arm/mach-mxs/include/mach/digctl.h
index 49a888c65d6d..17964066303f 100644
--- a/arch/arm/mach-mxs/include/mach/digctl.h
+++ b/arch/arm/mach-mxs/include/mach/digctl.h
@@ -18,4 +18,5 @@
 #define HW_DIGCTL_CTRL                  0x0
 #define  BP_DIGCTL_CTRL_SAIF_CLKMUX     10
 #define  BM_DIGCTL_CTRL_SAIF_CLKMUX     (0x3 << 10)
+#define HW_DIGCTL_CHIPID                0x310
 #endif
diff --git a/arch/arm/mach-mxs/include/mach/mxs.h b/arch/arm/mach-mxs/include/mach/mxs.h
index bde5f6634747..7d4fb6d0afda 100644
--- a/arch/arm/mach-mxs/include/mach/mxs.h
+++ b/arch/arm/mach-mxs/include/mach/mxs.h
@@ -23,22 +23,10 @@
 #include <linux/io.h>
 #endif
 #include <asm/mach-types.h>
+#include <mach/digctl.h>
 #include <mach/hardware.h>
 
 /*
- * MXS CPU types
- */
-#define cpu_is_mx23()           (                                       \
-                machine_is_mx23evk() ||                                 \
-                machine_is_stmp378x() ||                                \
-                0)
-#define cpu_is_mx28()           (                                       \
-                machine_is_mx28evk() ||                                 \
-                machine_is_m28evk() ||                                  \
-                machine_is_tx28() ||                                    \
-                0)
-
-/*
  * IO addresses common to MXS-based
  */
 #define MXS_IO_BASE_ADDR                0x80000000
@@ -109,6 +97,21 @@ static inline void __mxs_togl(u32 mask, void __iomem *reg)
 {
         __raw_writel(mask, reg + MXS_TOG_ADDR);
 }
+
+/*
+ * MXS CPU types
+ */
+#define MXS_CHIPID (MXS_IO_ADDRESS(MXS_DIGCTL_BASE_ADDR) + HW_DIGCTL_CHIPID)
+
+static inline int cpu_is_mx23(void)
+{
+        return ((__raw_readl(MXS_CHIPID) >> 16) == 0x3780);
+}
+
+static inline int cpu_is_mx28(void)
+{
+        return ((__raw_readl(MXS_CHIPID) >> 16) == 0x2800);
+}
 #endif
 
 #endif /* __MACH_MXS_H__ */
diff --git a/arch/arm/mach-mxs/include/mach/system.h b/arch/arm/mach-mxs/include/mach/system.h
deleted file mode 100644
index e7ad1bb29423..000000000000
--- a/arch/arm/mach-mxs/include/mach/system.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- *  Copyright (C) 1999 ARM Limited
- *  Copyright (C) 2000 Deep Blue Solutions Ltd
- *  Copyright 2004-2008 Freescale Semiconductor, Inc. All Rights Reserved.
- *
- * 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
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#ifndef __MACH_MXS_SYSTEM_H__
-#define __MACH_MXS_SYSTEM_H__
-
-static inline void arch_idle(void)
-{
-        cpu_do_idle();
-}
-
-#endif /* __MACH_MXS_SYSTEM_H__ */
diff --git a/arch/arm/mach-mxs/include/mach/uncompress.h b/arch/arm/mach-mxs/include/mach/uncompress.h
index 67776746f143..ef2811495446 100644
--- a/arch/arm/mach-mxs/include/mach/uncompress.h
+++ b/arch/arm/mach-mxs/include/mach/uncompress.h
@@ -18,8 +18,6 @@
 #ifndef __MACH_MXS_UNCOMPRESS_H__
 #define __MACH_MXS_UNCOMPRESS_H__
 
-#include <asm/mach-types.h>
-
 unsigned long mxs_duart_base;
 
 #define MXS_DUART(x)    (*(volatile unsigned long *)(mxs_duart_base + (x)))
@@ -55,16 +53,17 @@ static inline void flush(void)
 
 #define MX23_DUART_BASE_ADDR    0x80070000
 #define MX28_DUART_BASE_ADDR    0x80074000
+#define MXS_DIGCTL_CHIPID       0x8001c310
 
 static inline void __arch_decomp_setup(unsigned long arch_id)
 {
-        switch (arch_id) {
-        case MACH_TYPE_MX23EVK:
+        u16 chipid = (*(volatile unsigned long *) MXS_DIGCTL_CHIPID) >> 16;
+
+        switch (chipid) {
+        case 0x3780:
                 mxs_duart_base = MX23_DUART_BASE_ADDR;
                 break;
-        case MACH_TYPE_MX28EVK:
-        case MACH_TYPE_M28EVK:
-        case MACH_TYPE_TX28:
+        case 0x2800:
                 mxs_duart_base = MX28_DUART_BASE_ADDR;
                 break;
         default:
diff --git a/arch/arm/mach-mxs/mach-apx4devkit.c b/arch/arm/mach-mxs/mach-apx4devkit.c
new file mode 100644
index 000000000000..48a7fab571a6
--- /dev/null
+++ b/arch/arm/mach-mxs/mach-apx4devkit.c
@@ -0,0 +1,260 @@
+/*
+ * Copyright (C) 2011-2012
+ * Lauri Hintsala, Bluegiga, <lauri.hintsala@bluegiga.com>
+ * Veli-Pekka Peltola, Bluegiga, <veli-pekka.peltola@bluegiga.com>
+ *
+ * based on: mach-mx28evk.c
+ * Copyright 2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * 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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/leds.h>
+#include <linux/clk.h>
+#include <linux/i2c.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/fixed.h>
+#include <linux/micrel_phy.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+
+#include <mach/common.h>
+#include <mach/digctl.h>
+#include <mach/iomux-mx28.h>
+
+#include "devices-mx28.h"
+
+#define APX4DEVKIT_GPIO_USERLED MXS_GPIO_NR(3, 28)
+
+static const iomux_cfg_t apx4devkit_pads[] __initconst = {
+        /* duart */
+        MX28_PAD_PWM0__DUART_RX | MXS_PAD_CTRL,
+        MX28_PAD_PWM1__DUART_TX | MXS_PAD_CTRL,
+
+        /* auart0 */
+        MX28_PAD_AUART0_RX__AUART0_RX | MXS_PAD_CTRL,
+        MX28_PAD_AUART0_TX__AUART0_TX | MXS_PAD_CTRL,
+        MX28_PAD_AUART0_CTS__AUART0_CTS | MXS_PAD_CTRL,
+        MX28_PAD_AUART0_RTS__AUART0_RTS | MXS_PAD_CTRL,
+
+        /* auart1 */
+        MX28_PAD_AUART1_RX__AUART1_RX | MXS_PAD_CTRL,
+        MX28_PAD_AUART1_TX__AUART1_TX | MXS_PAD_CTRL,
+
+        /* auart2 */
+        MX28_PAD_SSP2_SCK__AUART2_RX | MXS_PAD_CTRL,
+        MX28_PAD_SSP2_MOSI__AUART2_TX | MXS_PAD_CTRL,
+
+        /* auart3 */
+        MX28_PAD_SSP2_MISO__AUART3_RX | MXS_PAD_CTRL,
+        MX28_PAD_SSP2_SS0__AUART3_TX | MXS_PAD_CTRL,
+
+#define MXS_PAD_FEC     (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP)
+        /* fec0 */
+        MX28_PAD_ENET0_MDC__ENET0_MDC | MXS_PAD_FEC,
+        MX28_PAD_ENET0_MDIO__ENET0_MDIO | MXS_PAD_FEC,
+        MX28_PAD_ENET0_RX_EN__ENET0_RX_EN | MXS_PAD_FEC,
+        MX28_PAD_ENET0_RXD0__ENET0_RXD0 | MXS_PAD_FEC,
+        MX28_PAD_ENET0_RXD1__ENET0_RXD1 | MXS_PAD_FEC,
+        MX28_PAD_ENET0_TX_EN__ENET0_TX_EN | MXS_PAD_FEC,
+        MX28_PAD_ENET0_TXD0__ENET0_TXD0 | MXS_PAD_FEC,
+        MX28_PAD_ENET0_TXD1__ENET0_TXD1 | MXS_PAD_FEC,
+        MX28_PAD_ENET_CLK__CLKCTRL_ENET | MXS_PAD_FEC,
+
+        /* i2c */
+        MX28_PAD_I2C0_SCL__I2C0_SCL,
+        MX28_PAD_I2C0_SDA__I2C0_SDA,
+
+        /* mmc0 */
+        MX28_PAD_SSP0_DATA0__SSP0_D0 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_SSP0_DATA1__SSP0_D1 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_SSP0_DATA2__SSP0_D2 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_SSP0_DATA3__SSP0_D3 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_SSP0_DATA4__SSP0_D4 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_SSP0_DATA5__SSP0_D5 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_SSP0_DATA6__SSP0_D6 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_SSP0_DATA7__SSP0_D7 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_SSP0_CMD__SSP0_CMD |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_SSP0_DETECT__SSP0_CARD_DETECT |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+        MX28_PAD_SSP0_SCK__SSP0_SCK |
+                (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+
+        /* led */
+        MX28_PAD_PWM3__GPIO_3_28 | MXS_PAD_CTRL,
+
+        /* saif0 & saif1 */
+        MX28_PAD_SAIF0_MCLK__SAIF0_MCLK |
+                (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_SAIF0_LRCLK__SAIF0_LRCLK |
+                (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_SAIF0_BITCLK__SAIF0_BITCLK |
+                (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_SAIF0_SDATA0__SAIF0_SDATA0 |
+                (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_SAIF1_SDATA0__SAIF1_SDATA0 |
+                (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+};
+
+/* led */
+static const struct gpio_led apx4devkit_leds[] __initconst = {
+        {
+                .name = "user-led",
+                .default_trigger = "heartbeat",
+                .gpio = APX4DEVKIT_GPIO_USERLED,
+        },
+};
+
+static const struct gpio_led_platform_data apx4devkit_led_data __initconst = {
+        .leds = apx4devkit_leds,
+        .num_leds = ARRAY_SIZE(apx4devkit_leds),
+};
+
+static const struct fec_platform_data mx28_fec_pdata __initconst = {
+        .phy = PHY_INTERFACE_MODE_RMII,
+};
+
+static const struct mxs_mmc_platform_data apx4devkit_mmc_pdata __initconst = {
+        .wp_gpio = -EINVAL,
+        .flags = SLOTF_4_BIT_CAPABLE,
+};
+
+static const struct i2c_board_info apx4devkit_i2c_boardinfo[] __initconst = {
+        { I2C_BOARD_INFO("sgtl5000", 0x0a) }, /* ASoC */
+        { I2C_BOARD_INFO("pcf8563", 0x51) }, /* RTC */
+};
+
+#if defined(CONFIG_REGULATOR_FIXED_VOLTAGE) || \
+                defined(CONFIG_REGULATOR_FIXED_VOLTAGE_MODULE)
+static struct regulator_consumer_supply apx4devkit_audio_consumer_supplies[] = {
+        REGULATOR_SUPPLY("VDDA", "0-000a"),
+        REGULATOR_SUPPLY("VDDIO", "0-000a"),
+};
+
+static struct regulator_init_data apx4devkit_vdd_reg_init_data = {
+        .constraints    = {
+                .name   = "3V3",
+                .always_on = 1,
+        },
+        .consumer_supplies = apx4devkit_audio_consumer_supplies,
+        .num_consumer_supplies = ARRAY_SIZE(apx4devkit_audio_consumer_supplies),
+};
+
+static struct fixed_voltage_config apx4devkit_vdd_pdata = {
+        .supply_name    = "board-3V3",
+        .microvolts     = 3300000,
+        .gpio           = -EINVAL,
+        .enabled_at_boot = 1,
+        .init_data      = &apx4devkit_vdd_reg_init_data,
+};
+
+static struct platform_device apx4devkit_voltage_regulator = {
+        .name           = "reg-fixed-voltage",
+        .id             = -1,
+        .num_resources  = 0,
+        .dev            = {
+                .platform_data  = &apx4devkit_vdd_pdata,
+        },
+};
+
+static void __init apx4devkit_add_regulators(void)
+{
+        platform_device_register(&apx4devkit_voltage_regulator);
+}
+#else
+static void __init apx4devkit_add_regulators(void) {}
+#endif
+
+static const struct mxs_saif_platform_data
+                        apx4devkit_mxs_saif_pdata[] __initconst = {
+        /* working on EXTMSTR0 mode (saif0 master, saif1 slave) */
+        {
+                .master_mode = 1,
+                .master_id = 0,
+        }, {
+                .master_mode = 0,
+                .master_id = 0,
+        },
+};
+
+static int apx4devkit_phy_fixup(struct phy_device *phy)
+{
+        phy->dev_flags |= MICREL_PHY_50MHZ_CLK;
+        return 0;
+}
+
+static void __init apx4devkit_init(void)
+{
+        mxs_iomux_setup_multiple_pads(apx4devkit_pads,
+                        ARRAY_SIZE(apx4devkit_pads));
+
+        mx28_add_duart();
+        mx28_add_auart0();
+        mx28_add_auart1();
+        mx28_add_auart2();
+        mx28_add_auart3();
+
+        /*
+         * Register fixup for the Micrel KS8031 PHY clock
+         * (shares same ID with KS8051)
+         */
+        phy_register_fixup_for_uid(PHY_ID_KS8051, MICREL_PHY_ID_MASK,
+                        apx4devkit_phy_fixup);
+
+        mx28_add_fec(0, &mx28_fec_pdata);
+
+        mx28_add_mxs_mmc(0, &apx4devkit_mmc_pdata);
+
+        gpio_led_register_device(0, &apx4devkit_led_data);
+
+        mxs_saif_clkmux_select(MXS_DIGCTL_SAIF_CLKMUX_EXTMSTR0);
+        mx28_add_saif(0, &apx4devkit_mxs_saif_pdata[0]);
+        mx28_add_saif(1, &apx4devkit_mxs_saif_pdata[1]);
+
+        apx4devkit_add_regulators();
+
+        mx28_add_mxs_i2c(0);
+        i2c_register_board_info(0, apx4devkit_i2c_boardinfo,
+                        ARRAY_SIZE(apx4devkit_i2c_boardinfo));
+
+        mxs_add_platform_device("mxs-sgtl5000", 0, NULL, 0, NULL, 0);
+}
+
+static void __init apx4devkit_timer_init(void)
+{
+        mx28_clocks_init();
+}
+
+static struct sys_timer apx4devkit_timer = {
+        .init   = apx4devkit_timer_init,
+};
+
+MACHINE_START(APX4DEVKIT, "Bluegiga APX4 Development Kit")
+        .map_io         = mx28_map_io,
+        .init_irq       = mx28_init_irq,
+        .timer          = &apx4devkit_timer,
+        .init_machine   = apx4devkit_init,
+        .restart        = mxs_restart,
+MACHINE_END
diff --git a/arch/arm/mach-mxs/mach-m28evk.c b/arch/arm/mach-mxs/mach-m28evk.c
index 2f2758230edf..06d79963611c 100644
--- a/arch/arm/mach-mxs/mach-m28evk.c
+++ b/arch/arm/mach-mxs/mach-m28evk.c
@@ -247,18 +247,15 @@ static int __init m28evk_fec_get_mac(void)
         u32 val;
         const u32 *ocotp = mxs_get_ocotp();
 
-        if (!ocotp) {
-                pr_err("%s: timeout when reading fec mac from OCOTP\n",
-                        __func__);
+        if (!ocotp)
                 return -ETIMEDOUT;
-        }
 
         /*
          * OCOTP only stores the last 4 octets for each mac address,
          * so hard-code DENX OUI (C0:E5:4E) here.
          */
         for (i = 0; i < 2; i++) {
-                val = ocotp[i * 4];
+                val = ocotp[i];
                 mx28_fec_pdata[i].mac[0] = 0xC0;
                 mx28_fec_pdata[i].mac[1] = 0xE5;
                 mx28_fec_pdata[i].mac[2] = 0x4E;
diff --git a/arch/arm/mach-mxs/mach-mx28evk.c b/arch/arm/mach-mxs/mach-mx28evk.c
index fdb0a5664dd6..e386c142f93c 100644
--- a/arch/arm/mach-mxs/mach-mx28evk.c
+++ b/arch/arm/mach-mxs/mach-mx28evk.c
@@ -223,7 +223,6 @@ static const struct gpio_led_platform_data mx28evk_led_data __initconst = {
 /* fec */
 static void __init mx28evk_fec_reset(void)
 {
-        int ret;
         struct clk *clk;
 
         /* Enable fec phy clock */
@@ -231,32 +230,7 @@ static void __init mx28evk_fec_reset(void)
         if (!IS_ERR(clk))
                 clk_prepare_enable(clk);
 
-        /* Power up fec phy */
-        ret = gpio_request(MX28EVK_FEC_PHY_POWER, "fec-phy-power");
-        if (ret) {
-                pr_err("Failed to request gpio fec-phy-%s: %d\n", "power", ret);
-                return;
-        }
-
-        ret = gpio_direction_output(MX28EVK_FEC_PHY_POWER, 0);
-        if (ret) {
-                pr_err("Failed to drive gpio fec-phy-%s: %d\n", "power", ret);
-                return;
-        }
-
-        /* Reset fec phy */
-        ret = gpio_request(MX28EVK_FEC_PHY_RESET, "fec-phy-reset");
-        if (ret) {
-                pr_err("Failed to request gpio fec-phy-%s: %d\n", "reset", ret);
-                return;
-        }
-
-        gpio_direction_output(MX28EVK_FEC_PHY_RESET, 0);
-        if (ret) {
-                pr_err("Failed to drive gpio fec-phy-%s: %d\n", "reset", ret);
-                return;
-        }
-
+        gpio_set_value(MX28EVK_FEC_PHY_RESET, 0);
         mdelay(1);
         gpio_set_value(MX28EVK_FEC_PHY_RESET, 1);
 }
@@ -278,14 +252,14 @@ static int __init mx28evk_fec_get_mac(void)
         const u32 *ocotp = mxs_get_ocotp();
 
         if (!ocotp)
-                goto error;
+                return -ETIMEDOUT;
 
         /*
          * OCOTP only stores the last 4 octets for each mac address,
          * so hard-code Freescale OUI (00:04:9f) here.
          */
         for (i = 0; i < 2; i++) {
-                val = ocotp[i * 4];
+                val = ocotp[i];
                 mx28_fec_pdata[i].mac[0] = 0x00;
                 mx28_fec_pdata[i].mac[1] = 0x04;
                 mx28_fec_pdata[i].mac[2] = 0x9f;
@@ -295,10 +269,6 @@ static int __init mx28evk_fec_get_mac(void)
         }
 
         return 0;
-
-error:
-        pr_err("%s: timeout when reading fec mac from OCOTP\n", __func__);
-        return -ETIMEDOUT;
 }
 
 /*
@@ -417,9 +387,14 @@ static void __init mx28evk_add_regulators(void)
 static void __init mx28evk_add_regulators(void) {}
 #endif
 
-static struct gpio mx28evk_lcd_gpios[] = {
+static const struct gpio mx28evk_gpios[] __initconst = {
         { MX28EVK_LCD_ENABLE, GPIOF_OUT_INIT_HIGH, "lcd-enable" },
         { MX28EVK_BL_ENABLE, GPIOF_OUT_INIT_HIGH, "bl-enable" },
+        { MX28EVK_FLEXCAN_SWITCH, GPIOF_DIR_OUT, "flexcan-switch" },
+        { MX28EVK_MMC0_SLOT_POWER, GPIOF_OUT_INIT_LOW, "mmc0-slot-power" },
+        { MX28EVK_MMC1_SLOT_POWER, GPIOF_OUT_INIT_LOW, "mmc1-slot-power" },
+        { MX28EVK_FEC_PHY_POWER, GPIOF_OUT_INIT_LOW, "fec-phy-power" },
+        { MX28EVK_FEC_PHY_RESET, GPIOF_DIR_OUT, "fec-phy-reset" },
 };
 
 static const struct mxs_saif_platform_data
@@ -447,25 +422,18 @@ static void __init mx28evk_init(void)
         if (mx28evk_fec_get_mac())
                 pr_warn("%s: failed on fec mac setup\n", __func__);
 
+        ret = gpio_request_array(mx28evk_gpios, ARRAY_SIZE(mx28evk_gpios));
+        if (ret)
+                pr_err("One or more GPIOs failed to be requested: %d\n", ret);
+
         mx28evk_fec_reset();
         mx28_add_fec(0, &mx28_fec_pdata[0]);
         mx28_add_fec(1, &mx28_fec_pdata[1]);
 
-        ret = gpio_request_one(MX28EVK_FLEXCAN_SWITCH, GPIOF_DIR_OUT,
-                                "flexcan-switch");
-        if (ret) {
-                pr_err("failed to request gpio flexcan-switch: %d\n", ret);
-        } else {
-                mx28_add_flexcan(0, &mx28evk_flexcan_pdata[0]);
-                mx28_add_flexcan(1, &mx28evk_flexcan_pdata[1]);
-        }
+        mx28_add_flexcan(0, &mx28evk_flexcan_pdata[0]);
+        mx28_add_flexcan(1, &mx28evk_flexcan_pdata[1]);
 
-        ret = gpio_request_array(mx28evk_lcd_gpios,
-                                 ARRAY_SIZE(mx28evk_lcd_gpios));
-        if (ret)
-                pr_warn("failed to request gpio pins for lcd: %d\n", ret);
-        else
-                mx28_add_mxsfb(&mx28evk_mxsfb_pdata);
+        mx28_add_mxsfb(&mx28evk_mxsfb_pdata);
 
         mxs_saif_clkmux_select(MXS_DIGCTL_SAIF_CLKMUX_EXTMSTR0);
         mx28_add_saif(0, &mx28evk_mxs_saif_pdata[0]);
@@ -480,20 +448,8 @@ static void __init mx28evk_init(void)
         mxs_add_platform_device("mxs-sgtl5000", 0, NULL, 0,
                         NULL, 0);
 
-        /* power on mmc slot by writing 0 to the gpio */
-        ret = gpio_request_one(MX28EVK_MMC0_SLOT_POWER, GPIOF_OUT_INIT_LOW,
-                               "mmc0-slot-power");
-        if (ret)
-                pr_warn("failed to request gpio mmc0-slot-power: %d\n", ret);
-        else
-                mx28_add_mxs_mmc(0, &mx28evk_mmc_pdata[0]);
-
-        ret = gpio_request_one(MX28EVK_MMC1_SLOT_POWER, GPIOF_OUT_INIT_LOW,
-                               "mmc1-slot-power");
-        if (ret)
-                pr_warn("failed to request gpio mmc1-slot-power: %d\n", ret);
-        else
-                mx28_add_mxs_mmc(1, &mx28evk_mmc_pdata[1]);
+        mx28_add_mxs_mmc(0, &mx28evk_mmc_pdata[0]);
+        mx28_add_mxs_mmc(1, &mx28evk_mmc_pdata[1]);
 
         mx28_add_rtc_stmp3xxx();
 
diff --git a/arch/arm/mach-mxs/pm.c b/arch/arm/mach-mxs/pm.c
index fb042da29bda..a9b4bbcdafb4 100644
--- a/arch/arm/mach-mxs/pm.c
+++ b/arch/arm/mach-mxs/pm.c
@@ -15,13 +15,12 @@
 #include <linux/kernel.h>
 #include <linux/suspend.h>
 #include <linux/io.h>
-#include <mach/system.h>
 
 static int mxs_suspend_enter(suspend_state_t state)
 {
         switch (state) {
         case PM_SUSPEND_MEM:
-                arch_idle();
+                cpu_do_idle();
                 break;
 
         default:
diff --git a/arch/arm/mach-netx/fb.c b/arch/arm/mach-netx/fb.c
index b9913234bbf6..2cdf6ef69bee 100644
--- a/arch/arm/mach-netx/fb.c
+++ b/arch/arm/mach-netx/fb.c
@@ -92,18 +92,7 @@ void clk_put(struct clk *clk)
 {
 }
 
-static struct amba_device fb_device = {
-        .dev            = {
-                .init_name = "fb",
-                .coherent_dma_mask = ~0,
-        },
-        .res            = {
-                .start  = 0x00104000,
-                .end    = 0x00104fff,
-                .flags  = IORESOURCE_MEM,
-        },
-        .irq            = { NETX_IRQ_LCD, NO_IRQ },
-};
+static AMBA_AHB_DEVICE(fb, "fb", 0, 0x00104000, { NETX_IRQ_LCD }, NULL);
 
 int netx_fb_init(struct clcd_board *board, struct clcd_panel *panel)
 {
diff --git a/arch/arm/mach-netx/include/mach/system.h b/arch/arm/mach-netx/include/mach/system.h
deleted file mode 100644
index b38fa36d58c4..000000000000
--- a/arch/arm/mach-netx/include/mach/system.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * arch/arm/mach-netx/include/mach/system.h
- *
- * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-#ifndef __ASM_ARCH_SYSTEM_H
-#define __ASM_ARCH_SYSTEM_H
-
-static inline void arch_idle(void)
-{
-        cpu_do_idle();
-}
-
-#endif
-
diff --git a/arch/arm/mach-nomadik/board-nhk8815.c b/arch/arm/mach-nomadik/board-nhk8815.c
index 7c878bf00340..f6f74adbe8c4 100644
--- a/arch/arm/mach-nomadik/board-nhk8815.c
+++ b/arch/arm/mach-nomadik/board-nhk8815.c
@@ -185,20 +185,11 @@ static void __init nhk8815_onenand_init(void)
 #endif
 }
 
-#define __MEM_4K_RESOURCE(x) \
-        .res = {.start = (x), .end = (x) + SZ_4K - 1, .flags = IORESOURCE_MEM}
+static AMBA_APB_DEVICE(uart0, "uart0", 0, NOMADIK_UART0_BASE,
+        { IRQ_UART0 }, NULL);
 
-static struct amba_device uart0_device = {
-        .dev = { .init_name = "uart0" },
-        __MEM_4K_RESOURCE(NOMADIK_UART0_BASE),
-        .irq = {IRQ_UART0, NO_IRQ},
-};
-
-static struct amba_device uart1_device = {
-        .dev = { .init_name = "uart1" },
-        __MEM_4K_RESOURCE(NOMADIK_UART1_BASE),
-        .irq = {IRQ_UART1, NO_IRQ},
-};
+static AMBA_APB_DEVICE(uart1, "uart1", 0, NOMADIK_UART1_BASE,
+        { IRQ_UART1 }, NULL);
 
 static struct amba_device *amba_devs[] __initdata = {
         &uart0_device,
diff --git a/arch/arm/mach-nomadik/cpu-8815.c b/arch/arm/mach-nomadik/cpu-8815.c
index 65df7b4fdd3e..27f43a46985e 100644
--- a/arch/arm/mach-nomadik/cpu-8815.c
+++ b/arch/arm/mach-nomadik/cpu-8815.c
@@ -97,12 +97,7 @@ static struct platform_device cpu8815_platform_gpio[] = {
         GPIO_DEVICE(3),
 };
 
-static struct amba_device cpu8815_amba_rng = {
-        .dev = {
-                .init_name = "rng",
-        },
-        __MEM_4K_RESOURCE(NOMADIK_RNG_BASE),
-};
+static AMBA_APB_DEVICE(cpu8815_amba_rng, "rng", 0, NOMADIK_RNG_BASE, { }, NULL);
 
 static struct platform_device *platform_devs[] __initdata = {
         cpu8815_platform_gpio + 0,
@@ -112,7 +107,7 @@ static struct platform_device *platform_devs[] __initdata = {
 };
 
 static struct amba_device *amba_devs[] __initdata = {
-        &cpu8815_amba_rng
+        &cpu8815_amba_rng_device
 };
 
 static int __init cpu8815_init(void)
diff --git a/arch/arm/mach-nomadik/include/mach/system.h b/arch/arm/mach-nomadik/include/mach/system.h
deleted file mode 100644
index 25e198b8976c..000000000000
--- a/arch/arm/mach-nomadik/include/mach/system.h
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- *  mach-nomadik/include/mach/system.h
- *
- *  Copyright (C) 2008 STMicroelectronics
- *
- * 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
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-#ifndef __ASM_ARCH_SYSTEM_H
-#define __ASM_ARCH_SYSTEM_H
-
-static inline void arch_idle(void)
-{
-        /*
-         * This should do all the clock switching
-         * and wait for interrupt tricks
-         */
-        cpu_do_idle();
-}
-
-#endif
diff --git a/arch/arm/mach-omap1/include/mach/system.h b/arch/arm/mach-omap1/include/mach/system.h
deleted file mode 100644
index a6c1b3a16dfc..000000000000
--- a/arch/arm/mach-omap1/include/mach/system.h
+++ /dev/null
@@ -1,5 +0,0 @@
-/*
- * arch/arm/mach-omap1/include/mach/system.h
- */
-
-#include <plat/system.h>
diff --git a/arch/arm/mach-omap1/pm.c b/arch/arm/mach-omap1/pm.c
index 89ea20ca0ccc..0c2c3669d594 100644
--- a/arch/arm/mach-omap1/pm.c
+++ b/arch/arm/mach-omap1/pm.c
@@ -42,9 +42,9 @@
 #include <linux/sysfs.h>
 #include <linux/module.h>
 #include <linux/io.h>
+#include <linux/atomic.h>
 
 #include <asm/irq.h>
-#include <linux/atomic.h>
 #include <asm/mach/time.h>
 #include <asm/mach/irq.h>
 
@@ -108,13 +108,7 @@ void omap1_pm_idle(void)
         __u32 use_idlect1 = arm_idlect1_mask;
         int do_sleep = 0;
 
-        local_irq_disable();
         local_fiq_disable();
-        if (need_resched()) {
-                local_fiq_enable();
-                local_irq_enable();
-                return;
-        }
 
 #if defined(CONFIG_OMAP_MPU_TIMER) && !defined(CONFIG_OMAP_DM_TIMER)
 #warning Enable 32kHz OS timer in order to allow sleep states in idle
@@ -157,14 +151,12 @@ void omap1_pm_idle(void)
                 omap_writel(saved_idlect1, ARM_IDLECT1);
 
                 local_fiq_enable();
-                local_irq_enable();
                 return;
         }
         omap_sram_suspend(omap_readl(ARM_IDLECT1),
                           omap_readl(ARM_IDLECT2));
 
         local_fiq_enable();
-        local_irq_enable();
 }
 
 /*
@@ -583,8 +575,6 @@ static void omap_pm_init_proc(void)
 
 #endif /* DEBUG && CONFIG_PROC_FS */
 
-static void (*saved_idle)(void) = NULL;
-
 /*
  *      omap_pm_prepare - Do preliminary suspend work.
  *
@@ -592,8 +582,7 @@ static void (*saved_idle)(void) = NULL;
 static int omap_pm_prepare(void)
 {
         /* We cannot sleep in idle until we have resumed */
-        saved_idle = pm_idle;
-        pm_idle = NULL;
+        disable_hlt();
 
         return 0;
 }
@@ -630,7 +619,7 @@ static int omap_pm_enter(suspend_state_t state)
 
 static void omap_pm_finish(void)
 {
-        pm_idle = saved_idle;
+        enable_hlt();
 }
 
 
@@ -687,7 +676,7 @@ static int __init omap_pm_init(void)
                 return -ENODEV;
         }
 
-        pm_idle = omap1_pm_idle;
+        arm_pm_idle = omap1_pm_idle;
 
         if (cpu_is_omap7xx())
                 setup_irq(INT_7XX_WAKE_UP_REQ, &omap_wakeup_irq);
diff --git a/arch/arm/mach-omap2/emu.c b/arch/arm/mach-omap2/emu.c
index 9c442e290ccb..ce91aad4cdad 100644
--- a/arch/arm/mach-omap2/emu.c
+++ b/arch/arm/mach-omap2/emu.c
@@ -30,29 +30,8 @@ MODULE_AUTHOR("Alexander Shishkin");
 #define ETB_BASE        (L4_EMU_34XX_PHYS + 0x1b000)
 #define DAPCTL          (L4_EMU_34XX_PHYS + 0x1d000)
 
-static struct amba_device omap3_etb_device = {
-        .dev            = {
-                .init_name = "etb",
-        },
-        .res            = {
-                .start  = ETB_BASE,
-                .end    = ETB_BASE + SZ_4K - 1,
-                .flags  = IORESOURCE_MEM,
-        },
-        .periphid       = 0x000bb907,
-};
-
-static struct amba_device omap3_etm_device = {
-        .dev            = {
-                .init_name = "etm",
-        },
-        .res            = {
-                .start  = ETM_BASE,
-                .end    = ETM_BASE + SZ_4K - 1,
-                .flags  = IORESOURCE_MEM,
-        },
-        .periphid       = 0x102bb921,
-};
+static AMBA_APB_DEVICE(omap3_etb, "etb", 0x000bb907, ETB_BASE, { }, NULL);
+static AMBA_APB_DEVICE(omap3_etm, "etm", 0x102bb921, ETM_BASE, { }, NULL);
 
 static int __init emu_init(void)
 {
@@ -66,4 +45,3 @@ static int __init emu_init(void)
 }
 
 subsys_initcall(emu_init);
-
diff --git a/arch/arm/mach-omap2/include/mach/system.h b/arch/arm/mach-omap2/include/mach/system.h
deleted file mode 100644
index d488721ab90b..000000000000
--- a/arch/arm/mach-omap2/include/mach/system.h
+++ /dev/null
@@ -1,5 +0,0 @@
-/*
- * arch/arm/mach-omap2/include/mach/system.h
- */
-
-#include <plat/system.h>
diff --git a/arch/arm/mach-omap2/pm24xx.c b/arch/arm/mach-omap2/pm24xx.c
index 23de98d03841..a4eb5c280435 100644
--- a/arch/arm/mach-omap2/pm24xx.c
+++ b/arch/arm/mach-omap2/pm24xx.c
@@ -226,7 +226,6 @@ static int omap2_can_sleep(void)
 
 static void omap2_pm_idle(void)
 {
-        local_irq_disable();
         local_fiq_disable();
 
         if (!omap2_can_sleep()) {
@@ -243,7 +242,6 @@ static void omap2_pm_idle(void)
 
 out:
         local_fiq_enable();
-        local_irq_enable();
 }
 
 #ifdef CONFIG_SUSPEND
@@ -462,7 +460,7 @@ static int __init omap2_pm_init(void)
         }
 
         suspend_set_ops(&omap_pm_ops);
-        pm_idle = omap2_pm_idle;
+        arm_pm_idle = omap2_pm_idle;
 
         return 0;
 }
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index fc6987578920..b77df735fa6c 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -418,10 +418,9 @@ void omap_sram_idle(void)
 
 static void omap3_pm_idle(void)
 {
-        local_irq_disable();
         local_fiq_disable();
 
-        if (omap_irq_pending() || need_resched())
+        if (omap_irq_pending())
                 goto out;
 
         trace_power_start(POWER_CSTATE, 1, smp_processor_id());
@@ -434,7 +433,6 @@ static void omap3_pm_idle(void)
 
 out:
         local_fiq_enable();
-        local_irq_enable();
 }
 
 #ifdef CONFIG_SUSPEND
@@ -848,7 +846,7 @@ static int __init omap3_pm_init(void)
         suspend_set_ops(&omap_pm_ops);
 #endif /* CONFIG_SUSPEND */
 
-        pm_idle = omap3_pm_idle;
+        arm_pm_idle = omap3_pm_idle;
         omap3_idle_init();
 
         /*
diff --git a/arch/arm/mach-omap2/pm44xx.c b/arch/arm/mach-omap2/pm44xx.c
index c264ef7219c1..c840689df24a 100644
--- a/arch/arm/mach-omap2/pm44xx.c
+++ b/arch/arm/mach-omap2/pm44xx.c
@@ -173,18 +173,16 @@ static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused)
  * omap_default_idle - OMAP4 default ilde routine.'
  *
  * Implements OMAP4 memory, IO ordering requirements which can't be addressed
- * with default arch_idle() hook. Used by all CPUs with !CONFIG_CPUIDLE and
+ * with default cpu_do_idle() hook. Used by all CPUs with !CONFIG_CPUIDLE and
  * by secondary CPU with CONFIG_CPUIDLE.
  */
 static void omap_default_idle(void)
 {
-        local_irq_disable();
         local_fiq_disable();
 
         omap_do_wfi();
 
         local_fiq_enable();
-        local_irq_enable();
 }
 
 /**
@@ -255,8 +253,8 @@ static int __init omap4_pm_init(void)
         suspend_set_ops(&omap_pm_ops);
 #endif /* CONFIG_SUSPEND */
 
-        /* Overwrite the default arch_idle() */
-        pm_idle = omap_default_idle;
+        /* Overwrite the default cpu_do_idle() */
+        arm_pm_idle = omap_default_idle;
 
         omap4_idle_init();
 
diff --git a/arch/arm/mach-omap2/prm_common.c b/arch/arm/mach-omap2/prm_common.c
index 860118ab43e2..873b51d494ea 100644
--- a/arch/arm/mach-omap2/prm_common.c
+++ b/arch/arm/mach-omap2/prm_common.c
@@ -24,7 +24,6 @@
 #include <linux/interrupt.h>
 #include <linux/slab.h>
 
-#include <mach/system.h>
 #include <plat/common.h>
 #include <plat/prcm.h>
 #include <plat/irqs.h>
diff --git a/arch/arm/mach-orion5x/include/mach/system.h b/arch/arm/mach-orion5x/include/mach/system.h
deleted file mode 100644
index 825a2650cefa..000000000000
--- a/arch/arm/mach-orion5x/include/mach/system.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * arch/arm/mach-orion5x/include/mach/system.h
- *
- * Tzachi Perelstein <tzachi@marvell.com>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2.  This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#ifndef __ASM_ARCH_SYSTEM_H
-#define __ASM_ARCH_SYSTEM_H
-
-static inline void arch_idle(void)
-{
-        cpu_do_idle();
-}
-
-#endif
diff --git a/arch/arm/mach-picoxcell/include/mach/system.h b/arch/arm/mach-picoxcell/include/mach/system.h
deleted file mode 100644
index 1a5d8cb57df4..000000000000
--- a/arch/arm/mach-picoxcell/include/mach/system.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Copyright (c) 2011 Picochip Ltd., Jamie Iles
- *
- * 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
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-#ifndef __ASM_ARCH_SYSTEM_H
-#define __ASM_ARCH_SYSTEM_H
-
-static inline void arch_idle(void)
-{
-        /*
-         * This should do all the clock switching and wait for interrupt
-         * tricks.
-         */
-        cpu_do_idle();
-}
-
-#endif /* __ASM_ARCH_SYSTEM_H */
diff --git a/arch/arm/mach-pnx4008/include/mach/system.h b/arch/arm/mach-pnx4008/include/mach/system.h
deleted file mode 100644
index 60cfe7188091..000000000000
--- a/arch/arm/mach-pnx4008/include/mach/system.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * arch/arm/mach-pnx4008/include/mach/system.h
- *
- * Copyright (C) 2003 Philips Semiconductors
- * Copyright (C) 2005 MontaVista Software, Inc.
- *
- * 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
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-#ifndef __ASM_ARCH_SYSTEM_H
-#define __ASM_ARCH_SYSTEM_H
-
-static void arch_idle(void)
-{
-        cpu_do_idle();
-}
-
-#endif
diff --git a/arch/arm/mach-prima2/include/mach/system.h b/arch/arm/mach-prima2/include/mach/system.h
deleted file mode 100644
index 2c7d2a9d0c92..000000000000
--- a/arch/arm/mach-prima2/include/mach/system.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/*
- * arch/arm/mach-prima2/include/mach/system.h
- *
- * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
- *
- * Licensed under GPLv2 or later.
- */
-
-#ifndef __MACH_SYSTEM_H__
-#define __MACH_SYSTEM_H__
-
-static inline void arch_idle(void)
-{
-        cpu_do_idle();
-}
-
-#endif
diff --git a/arch/arm/mach-pxa/hx4700.c b/arch/arm/mach-pxa/hx4700.c
index fb9b62dcf4ca..f038da1e4196 100644
--- a/arch/arm/mach-pxa/hx4700.c
+++ b/arch/arm/mach-pxa/hx4700.c
@@ -244,6 +244,21 @@ static u16 asic3_gpio_config[] = {
         ASIC3_GPIOD15_nPIOW,
 };
 
+static struct asic3_led asic3_leds[ASIC3_NUM_LEDS] = {
+        [0] = {
+                .name = "hx4700:amber",
+                .default_trigger = "ds2760-battery.0-charging-blink-full-solid",
+        },
+        [1] = {
+                .name = "hx4700:green",
+                .default_trigger = "unused",
+        },
+        [2] = {
+                .name = "hx4700:blue",
+                .default_trigger = "hx4700-radio",
+        },
+};
+
 static struct resource asic3_resources[] = {
         /* GPIO part */
         [0] = {
@@ -274,6 +289,7 @@ static struct asic3_platform_data asic3_platform_data = {
         .gpio_config_num = ARRAY_SIZE(asic3_gpio_config),
         .irq_base        = IRQ_BOARD_START,
         .gpio_base       = HX4700_ASIC3_GPIO_BASE,
+        .leds            = asic3_leds,
 };
 
 static struct platform_device asic3 = {
@@ -704,10 +720,9 @@ static void hx4700_set_vpp(struct platform_device *pdev, int vpp)
         gpio_set_value(GPIO91_HX4700_FLASH_VPEN, vpp);
 }
 
-static struct resource strataflash_resource = {
-        .start = PXA_CS0_PHYS,
-        .end   = PXA_CS0_PHYS + SZ_128M - 1,
-        .flags = IORESOURCE_MEM,
+static struct resource strataflash_resource[] = {
+        [0] = DEFINE_RES_MEM(PXA_CS0_PHYS, SZ_64M),
+        [1] = DEFINE_RES_MEM(PXA_CS0_PHYS + SZ_64M, SZ_64M),
 };
 
 static struct physmap_flash_data strataflash_data = {
@@ -718,8 +733,8 @@ static struct physmap_flash_data strataflash_data = {
 static struct platform_device strataflash = {
         .name          = "physmap-flash",
         .id            = -1,
-        .resource      = &strataflash_resource,
-        .num_resources = 1,
+        .resource      = strataflash_resource,
+        .num_resources = ARRAY_SIZE(strataflash_resource),
         .dev = {
                 .platform_data = &strataflash_data,
         },
diff --git a/arch/arm/mach-pxa/include/mach/system.h b/arch/arm/mach-pxa/include/mach/system.h
deleted file mode 100644
index c5afacd3cc0b..000000000000
--- a/arch/arm/mach-pxa/include/mach/system.h
+++ /dev/null
@@ -1,15 +0,0 @@
-/*
- * arch/arm/mach-pxa/include/mach/system.h
- *
- * Author:      Nicolas Pitre
- * Created:     Jun 15, 2001
- * Copyright:   MontaVista Software Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-static inline void arch_idle(void)
-{
-        cpu_do_idle();
-}
diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c
index 91e4f6c03766..8a775f631c55 100644
--- a/arch/arm/mach-pxa/pxa25x.c
+++ b/arch/arm/mach-pxa/pxa25x.c
@@ -209,6 +209,7 @@ static struct clk_lookup pxa25x_clkregs[] = {
         INIT_CLKREG(&clk_pxa25x_gpio11, NULL, "GPIO11_CLK"),
         INIT_CLKREG(&clk_pxa25x_gpio12, NULL, "GPIO12_CLK"),
         INIT_CLKREG(&clk_pxa25x_mem, "pxa2xx-pcmcia", NULL),
+        INIT_CLKREG(&clk_dummy, "pxa-gpio", NULL),
 };
 
 static struct clk_lookup pxa25x_hwuart_clkreg =
diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index aed6cbcf3866..6c49e66057e3 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -230,6 +230,7 @@ static struct clk_lookup pxa27x_clkregs[] = {
         INIT_CLKREG(&clk_pxa27x_im, NULL, "IMCLK"),
         INIT_CLKREG(&clk_pxa27x_memc, NULL, "MEMCLK"),
         INIT_CLKREG(&clk_pxa27x_mem, "pxa2xx-pcmcia", NULL),
+        INIT_CLKREG(&clk_dummy, "pxa-gpio", NULL),
 };
 
 #ifdef CONFIG_PM
diff --git a/arch/arm/mach-realview/core.h b/arch/arm/mach-realview/core.h
index 735b57aaf2d6..f8f2c0ac4c01 100644
--- a/arch/arm/mach-realview/core.h
+++ b/arch/arm/mach-realview/core.h
@@ -28,21 +28,11 @@
 #include <asm/setup.h>
 #include <asm/leds.h>
 
-#define AMBA_DEVICE(name,busid,base,plat)                       \
-static struct amba_device name##_device = {                     \
-        .dev            = {                                     \
-                .coherent_dma_mask = ~0,                        \
-                .init_name = busid,                             \
-                .platform_data = plat,                          \
-        },                                                      \
-        .res            = {                                     \
-                .start  = REALVIEW_##base##_BASE,               \
-                .end    = (REALVIEW_##base##_BASE) + SZ_4K - 1, \
-                .flags  = IORESOURCE_MEM,                       \
-        },                                                      \
-        .dma_mask       = ~0,                                   \
-        .irq            = base##_IRQ,                           \
-}
+#define APB_DEVICE(name, busid, base, plat)                     \
+static AMBA_APB_DEVICE(name, busid, 0, REALVIEW_##base##_BASE, base##_IRQ, plat)
+
+#define AHB_DEVICE(name, busid, base, plat)                     \
+static AMBA_AHB_DEVICE(name, busid, 0, REALVIEW_##base##_BASE, base##_IRQ, plat)
 
 struct machine_desc;
 
diff --git a/arch/arm/mach-realview/include/mach/irqs-pb1176.h b/arch/arm/mach-realview/include/mach/irqs-pb1176.h
index 5c3c625e3e04..708f84156f2c 100644
--- a/arch/arm/mach-realview/include/mach/irqs-pb1176.h
+++ b/arch/arm/mach-realview/include/mach/irqs-pb1176.h
@@ -40,6 +40,7 @@
 #define IRQ_DC1176_L2CC         (IRQ_DC1176_GIC_START + 13)
 #define IRQ_DC1176_RTC          (IRQ_DC1176_GIC_START + 14)
 #define IRQ_DC1176_CLCD         (IRQ_DC1176_GIC_START + 15)     /* CLCD controller */
+#define IRQ_DC1176_GPIO0        (IRQ_DC1176_GIC_START + 16)
 #define IRQ_DC1176_SSP          (IRQ_DC1176_GIC_START + 17)     /* SSP port */
 #define IRQ_DC1176_UART0        (IRQ_DC1176_GIC_START + 18)     /* UART 0 on development chip */
 #define IRQ_DC1176_UART1        (IRQ_DC1176_GIC_START + 19)     /* UART 1 on development chip */
@@ -73,7 +74,6 @@
 #define IRQ_PB1176_DMAC         (IRQ_PB1176_GIC_START + 24)     /* DMA controller */
 #define IRQ_PB1176_RTC          (IRQ_PB1176_GIC_START + 25)     /* Real Time Clock */
 
-#define IRQ_PB1176_GPIO0        -1
 #define IRQ_PB1176_SCTL         -1
 
 #define NR_GIC_PB1176           2
diff --git a/arch/arm/mach-realview/include/mach/system.h b/arch/arm/mach-realview/include/mach/system.h
deleted file mode 100644
index 471b671159ce..000000000000
--- a/arch/arm/mach-realview/include/mach/system.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- *  arch/arm/mach-realview/include/mach/system.h
- *
- *  Copyright (C) 2003 ARM Limited
- *  Copyright (C) 2000 Deep Blue Solutions Ltd
- *
- * 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
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-#ifndef __ASM_ARCH_SYSTEM_H
-#define __ASM_ARCH_SYSTEM_H
-
-static inline void arch_idle(void)
-{
-        /*
-         * This should do all the clock switching
-         * and wait for interrupt tricks
-         */
-        cpu_do_idle();
-}
-
-#endif
diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c
index 9578145f2df0..157e1bc6e83c 100644
--- a/arch/arm/mach-realview/realview_eb.c
+++ b/arch/arm/mach-realview/realview_eb.c
@@ -135,63 +135,63 @@ static struct pl022_ssp_controller ssp0_plat_data = {
 /*
  * These devices are connected via the core APB bridge
  */
-#define GPIO2_IRQ       { IRQ_EB_GPIO2, NO_IRQ }
-#define GPIO3_IRQ       { IRQ_EB_GPIO3, NO_IRQ }
+#define GPIO2_IRQ       { IRQ_EB_GPIO2 }
+#define GPIO3_IRQ       { IRQ_EB_GPIO3 }
 
-#define AACI_IRQ        { IRQ_EB_AACI, NO_IRQ }
+#define AACI_IRQ        { IRQ_EB_AACI }
 #define MMCI0_IRQ       { IRQ_EB_MMCI0A, IRQ_EB_MMCI0B }
-#define KMI0_IRQ        { IRQ_EB_KMI0, NO_IRQ }
-#define KMI1_IRQ        { IRQ_EB_KMI1, NO_IRQ }
+#define KMI0_IRQ        { IRQ_EB_KMI0 }
+#define KMI1_IRQ        { IRQ_EB_KMI1 }
 
 /*
  * These devices are connected directly to the multi-layer AHB switch
  */
-#define EB_SMC_IRQ      { NO_IRQ, NO_IRQ }
-#define MPMC_IRQ        { NO_IRQ, NO_IRQ }
-#define EB_CLCD_IRQ     { IRQ_EB_CLCD, NO_IRQ }
-#define DMAC_IRQ        { IRQ_EB_DMA, NO_IRQ }
+#define EB_SMC_IRQ      { }
+#define MPMC_IRQ        { }
+#define EB_CLCD_IRQ     { IRQ_EB_CLCD }
+#define DMAC_IRQ        { IRQ_EB_DMA }
 
 /*
  * These devices are connected via the core APB bridge
  */
-#define SCTL_IRQ        { NO_IRQ, NO_IRQ }
-#define EB_WATCHDOG_IRQ { IRQ_EB_WDOG, NO_IRQ }
-#define EB_GPIO0_IRQ    { IRQ_EB_GPIO0, NO_IRQ }
-#define GPIO1_IRQ       { IRQ_EB_GPIO1, NO_IRQ }
-#define EB_RTC_IRQ      { IRQ_EB_RTC, NO_IRQ }
+#define SCTL_IRQ        { }
+#define EB_WATCHDOG_IRQ { IRQ_EB_WDOG }
+#define EB_GPIO0_IRQ    { IRQ_EB_GPIO0 }
+#define GPIO1_IRQ       { IRQ_EB_GPIO1 }
+#define EB_RTC_IRQ      { IRQ_EB_RTC }
 
 /*
  * These devices are connected via the DMA APB bridge
  */
-#define SCI_IRQ         { IRQ_EB_SCI, NO_IRQ }
-#define EB_UART0_IRQ    { IRQ_EB_UART0, NO_IRQ }
-#define EB_UART1_IRQ    { IRQ_EB_UART1, NO_IRQ }
-#define EB_UART2_IRQ    { IRQ_EB_UART2, NO_IRQ }
-#define EB_UART3_IRQ    { IRQ_EB_UART3, NO_IRQ }
-#define EB_SSP_IRQ      { IRQ_EB_SSP, NO_IRQ }
+#define SCI_IRQ         { IRQ_EB_SCI }
+#define EB_UART0_IRQ    { IRQ_EB_UART0 }
+#define EB_UART1_IRQ    { IRQ_EB_UART1 }
+#define EB_UART2_IRQ    { IRQ_EB_UART2 }
+#define EB_UART3_IRQ    { IRQ_EB_UART3 }
+#define EB_SSP_IRQ      { IRQ_EB_SSP }
 
 /* FPGA Primecells */
-AMBA_DEVICE(aaci,  "fpga:aaci",  AACI,     NULL);
-AMBA_DEVICE(mmc0,  "fpga:mmc0",  MMCI0,    &realview_mmc0_plat_data);
-AMBA_DEVICE(kmi0,  "fpga:kmi0",  KMI0,     NULL);
-AMBA_DEVICE(kmi1,  "fpga:kmi1",  KMI1,     NULL);
-AMBA_DEVICE(uart3, "fpga:uart3", EB_UART3, NULL);
+APB_DEVICE(aaci,  "fpga:aaci",  AACI,     NULL);
+APB_DEVICE(mmc0,  "fpga:mmc0",  MMCI0,    &realview_mmc0_plat_data);
+APB_DEVICE(kmi0,  "fpga:kmi0",  KMI0,     NULL);
+APB_DEVICE(kmi1,  "fpga:kmi1",  KMI1,     NULL);
+APB_DEVICE(uart3, "fpga:uart3", EB_UART3, NULL);
 
 /* DevChip Primecells */
-AMBA_DEVICE(smc,   "dev:smc",   EB_SMC,   NULL);
-AMBA_DEVICE(clcd,  "dev:clcd",  EB_CLCD,  &clcd_plat_data);
-AMBA_DEVICE(dmac,  "dev:dmac",  DMAC,     NULL);
-AMBA_DEVICE(sctl,  "dev:sctl",  SCTL,     NULL);
-AMBA_DEVICE(wdog,  "dev:wdog",  EB_WATCHDOG, NULL);
-AMBA_DEVICE(gpio0, "dev:gpio0", EB_GPIO0, &gpio0_plat_data);
-AMBA_DEVICE(gpio1, "dev:gpio1", GPIO1,    &gpio1_plat_data);
-AMBA_DEVICE(gpio2, "dev:gpio2", GPIO2,    &gpio2_plat_data);
-AMBA_DEVICE(rtc,   "dev:rtc",   EB_RTC,   NULL);
-AMBA_DEVICE(sci0,  "dev:sci0",  SCI,      NULL);
-AMBA_DEVICE(uart0, "dev:uart0", EB_UART0, NULL);
-AMBA_DEVICE(uart1, "dev:uart1", EB_UART1, NULL);
-AMBA_DEVICE(uart2, "dev:uart2", EB_UART2, NULL);
-AMBA_DEVICE(ssp0,  "dev:ssp0",  EB_SSP,   &ssp0_plat_data);
+AHB_DEVICE(smc,   "dev:smc",   EB_SMC,   NULL);
+AHB_DEVICE(clcd,  "dev:clcd",  EB_CLCD,  &clcd_plat_data);
+AHB_DEVICE(dmac,  "dev:dmac",  DMAC,     NULL);
+AHB_DEVICE(sctl,  "dev:sctl",  SCTL,     NULL);
+APB_DEVICE(wdog,  "dev:wdog",  EB_WATCHDOG, NULL);
+APB_DEVICE(gpio0, "dev:gpio0", EB_GPIO0, &gpio0_plat_data);
+APB_DEVICE(gpio1, "dev:gpio1", GPIO1,    &gpio1_plat_data);
+APB_DEVICE(gpio2, "dev:gpio2", GPIO2,    &gpio2_plat_data);
+APB_DEVICE(rtc,   "dev:rtc",   EB_RTC,   NULL);
+APB_DEVICE(sci0,  "dev:sci0",  SCI,      NULL);
+APB_DEVICE(uart0, "dev:uart0", EB_UART0, NULL);
+APB_DEVICE(uart1, "dev:uart1", EB_UART1, NULL);
+APB_DEVICE(uart2, "dev:uart2", EB_UART2, NULL);
+APB_DEVICE(ssp0,  "dev:ssp0",  EB_SSP,   &ssp0_plat_data);
 
 static struct amba_device *amba_devs[] __initdata = {
         &dmac_device,
diff --git a/arch/arm/mach-realview/realview_pb1176.c b/arch/arm/mach-realview/realview_pb1176.c
index e4abe94fb11a..b1d7cafa1a6d 100644
--- a/arch/arm/mach-realview/realview_pb1176.c
+++ b/arch/arm/mach-realview/realview_pb1176.c
@@ -132,50 +132,50 @@ static struct pl022_ssp_controller ssp0_plat_data = {
 /*
  * RealView PB1176 AMBA devices
  */
-#define GPIO2_IRQ       { IRQ_PB1176_GPIO2, NO_IRQ }
-#define GPIO3_IRQ       { IRQ_PB1176_GPIO3, NO_IRQ }
-#define AACI_IRQ        { IRQ_PB1176_AACI, NO_IRQ }
+#define GPIO2_IRQ       { IRQ_PB1176_GPIO2 }
+#define GPIO3_IRQ       { IRQ_PB1176_GPIO3 }
+#define AACI_IRQ        { IRQ_PB1176_AACI }
 #define MMCI0_IRQ       { IRQ_PB1176_MMCI0A, IRQ_PB1176_MMCI0B }
-#define KMI0_IRQ        { IRQ_PB1176_KMI0, NO_IRQ }
-#define KMI1_IRQ        { IRQ_PB1176_KMI1, NO_IRQ }
-#define PB1176_SMC_IRQ  { NO_IRQ, NO_IRQ }
-#define MPMC_IRQ        { NO_IRQ, NO_IRQ }
-#define PB1176_CLCD_IRQ { IRQ_DC1176_CLCD, NO_IRQ }
-#define SCTL_IRQ        { NO_IRQ, NO_IRQ }
-#define PB1176_WATCHDOG_IRQ     { IRQ_DC1176_WATCHDOG, NO_IRQ }
-#define PB1176_GPIO0_IRQ        { IRQ_PB1176_GPIO0, NO_IRQ }
-#define GPIO1_IRQ       { IRQ_PB1176_GPIO1, NO_IRQ }
-#define PB1176_RTC_IRQ  { IRQ_DC1176_RTC, NO_IRQ }
-#define SCI_IRQ         { IRQ_PB1176_SCI, NO_IRQ }
-#define PB1176_UART0_IRQ        { IRQ_DC1176_UART0, NO_IRQ }
-#define PB1176_UART1_IRQ        { IRQ_DC1176_UART1, NO_IRQ }
-#define PB1176_UART2_IRQ        { IRQ_DC1176_UART2, NO_IRQ }
-#define PB1176_UART3_IRQ        { IRQ_DC1176_UART3, NO_IRQ }
-#define PB1176_UART4_IRQ        { IRQ_PB1176_UART4, NO_IRQ }
-#define PB1176_SSP_IRQ          { IRQ_DC1176_SSP, NO_IRQ }
+#define KMI0_IRQ        { IRQ_PB1176_KMI0 }
+#define KMI1_IRQ        { IRQ_PB1176_KMI1 }
+#define PB1176_SMC_IRQ  { }
+#define MPMC_IRQ        { }
+#define PB1176_CLCD_IRQ { IRQ_DC1176_CLCD }
+#define SCTL_IRQ        { }
+#define PB1176_WATCHDOG_IRQ     { IRQ_DC1176_WATCHDOG }
+#define PB1176_GPIO0_IRQ        { IRQ_DC1176_GPIO0 }
+#define GPIO1_IRQ       { IRQ_PB1176_GPIO1 }
+#define PB1176_RTC_IRQ  { IRQ_DC1176_RTC }
+#define SCI_IRQ         { IRQ_PB1176_SCI }
+#define PB1176_UART0_IRQ        { IRQ_DC1176_UART0 }
+#define PB1176_UART1_IRQ        { IRQ_DC1176_UART1 }
+#define PB1176_UART2_IRQ        { IRQ_DC1176_UART2 }
+#define PB1176_UART3_IRQ        { IRQ_DC1176_UART3 }
+#define PB1176_UART4_IRQ        { IRQ_PB1176_UART4 }
+#define PB1176_SSP_IRQ          { IRQ_DC1176_SSP }
 
 /* FPGA Primecells */
-AMBA_DEVICE(aaci,       "fpga:aaci",    AACI,           NULL);
-AMBA_DEVICE(mmc0,       "fpga:mmc0",    MMCI0,          &realview_mmc0_plat_data);
-AMBA_DEVICE(kmi0,       "fpga:kmi0",    KMI0,           NULL);
-AMBA_DEVICE(kmi1,       "fpga:kmi1",    KMI1,           NULL);
-AMBA_DEVICE(uart4,      "fpga:uart4",   PB1176_UART4,   NULL);
+APB_DEVICE(aaci,        "fpga:aaci",    AACI,           NULL);
+APB_DEVICE(mmc0,        "fpga:mmc0",    MMCI0,          &realview_mmc0_plat_data);
+APB_DEVICE(kmi0,        "fpga:kmi0",    KMI0,           NULL);
+APB_DEVICE(kmi1,        "fpga:kmi1",    KMI1,           NULL);
+APB_DEVICE(uart4,       "fpga:uart4",   PB1176_UART4,   NULL);
 
 /* DevChip Primecells */
-AMBA_DEVICE(smc,        "dev:smc",      PB1176_SMC,     NULL);
-AMBA_DEVICE(sctl,       "dev:sctl",     SCTL,           NULL);
-AMBA_DEVICE(wdog,       "dev:wdog",     PB1176_WATCHDOG,        NULL);
-AMBA_DEVICE(gpio0,      "dev:gpio0",    PB1176_GPIO0,   &gpio0_plat_data);
-AMBA_DEVICE(gpio1,      "dev:gpio1",    GPIO1,          &gpio1_plat_data);
-AMBA_DEVICE(gpio2,      "dev:gpio2",    GPIO2,          &gpio2_plat_data);
-AMBA_DEVICE(rtc,        "dev:rtc",      PB1176_RTC,     NULL);
-AMBA_DEVICE(sci0,       "dev:sci0",     SCI,            NULL);
-AMBA_DEVICE(uart0,      "dev:uart0",    PB1176_UART0,   NULL);
-AMBA_DEVICE(uart1,      "dev:uart1",    PB1176_UART1,   NULL);
-AMBA_DEVICE(uart2,      "dev:uart2",    PB1176_UART2,   NULL);
-AMBA_DEVICE(uart3,      "dev:uart3",    PB1176_UART3,   NULL);
-AMBA_DEVICE(ssp0,       "dev:ssp0",     PB1176_SSP,     &ssp0_plat_data);
-AMBA_DEVICE(clcd,       "dev:clcd",     PB1176_CLCD,    &clcd_plat_data);
+AHB_DEVICE(smc,         "dev:smc",      PB1176_SMC,     NULL);
+AHB_DEVICE(sctl,        "dev:sctl",     SCTL,           NULL);
+APB_DEVICE(wdog,        "dev:wdog",     PB1176_WATCHDOG,        NULL);
+APB_DEVICE(gpio0,       "dev:gpio0",    PB1176_GPIO0,   &gpio0_plat_data);
+APB_DEVICE(gpio1,       "dev:gpio1",    GPIO1,          &gpio1_plat_data);
+APB_DEVICE(gpio2,       "dev:gpio2",    GPIO2,          &gpio2_plat_data);
+APB_DEVICE(rtc,         "dev:rtc",      PB1176_RTC,     NULL);
+APB_DEVICE(sci0,        "dev:sci0",     SCI,            NULL);
+APB_DEVICE(uart0,       "dev:uart0",    PB1176_UART0,   NULL);
+APB_DEVICE(uart1,       "dev:uart1",    PB1176_UART1,   NULL);
+APB_DEVICE(uart2,       "dev:uart2",    PB1176_UART2,   NULL);
+APB_DEVICE(uart3,       "dev:uart3",    PB1176_UART3,   NULL);
+APB_DEVICE(ssp0,        "dev:ssp0",     PB1176_SSP,     &ssp0_plat_data);
+AHB_DEVICE(clcd,        "dev:clcd",     PB1176_CLCD,    &clcd_plat_data);
 
 static struct amba_device *amba_devs[] __initdata = {
         &uart0_device,
diff --git a/arch/arm/mach-realview/realview_pb11mp.c b/arch/arm/mach-realview/realview_pb11mp.c
index 2147335f66f5..ae7fe54f6eb6 100644
--- a/arch/arm/mach-realview/realview_pb11mp.c
+++ b/arch/arm/mach-realview/realview_pb11mp.c
@@ -127,52 +127,52 @@ static struct pl022_ssp_controller ssp0_plat_data = {
  * RealView PB11MPCore AMBA devices
  */
 
-#define GPIO2_IRQ               { IRQ_PB11MP_GPIO2, NO_IRQ }
-#define GPIO3_IRQ               { IRQ_PB11MP_GPIO3, NO_IRQ }
-#define AACI_IRQ                { IRQ_TC11MP_AACI, NO_IRQ }
+#define GPIO2_IRQ               { IRQ_PB11MP_GPIO2 }
+#define GPIO3_IRQ               { IRQ_PB11MP_GPIO3 }
+#define AACI_IRQ                { IRQ_TC11MP_AACI }
 #define MMCI0_IRQ               { IRQ_TC11MP_MMCI0A, IRQ_TC11MP_MMCI0B }
-#define KMI0_IRQ                { IRQ_TC11MP_KMI0, NO_IRQ }
-#define KMI1_IRQ                { IRQ_TC11MP_KMI1, NO_IRQ }
-#define PB11MP_SMC_IRQ          { NO_IRQ, NO_IRQ }
-#define MPMC_IRQ                { NO_IRQ, NO_IRQ }
-#define PB11MP_CLCD_IRQ         { IRQ_PB11MP_CLCD, NO_IRQ }
-#define DMAC_IRQ                { IRQ_PB11MP_DMAC, NO_IRQ }
-#define SCTL_IRQ                { NO_IRQ, NO_IRQ }
-#define PB11MP_WATCHDOG_IRQ     { IRQ_PB11MP_WATCHDOG, NO_IRQ }
-#define PB11MP_GPIO0_IRQ        { IRQ_PB11MP_GPIO0, NO_IRQ }
-#define GPIO1_IRQ               { IRQ_PB11MP_GPIO1, NO_IRQ }
-#define PB11MP_RTC_IRQ          { IRQ_TC11MP_RTC, NO_IRQ }
-#define SCI_IRQ                 { IRQ_PB11MP_SCI, NO_IRQ }
-#define PB11MP_UART0_IRQ        { IRQ_TC11MP_UART0, NO_IRQ }
-#define PB11MP_UART1_IRQ        { IRQ_TC11MP_UART1, NO_IRQ }
-#define PB11MP_UART2_IRQ        { IRQ_PB11MP_UART2, NO_IRQ }
-#define PB11MP_UART3_IRQ        { IRQ_PB11MP_UART3, NO_IRQ }
-#define PB11MP_SSP_IRQ          { IRQ_PB11MP_SSP, NO_IRQ }
+#define KMI0_IRQ                { IRQ_TC11MP_KMI0 }
+#define KMI1_IRQ                { IRQ_TC11MP_KMI1 }
+#define PB11MP_SMC_IRQ          { }
+#define MPMC_IRQ                { }
+#define PB11MP_CLCD_IRQ         { IRQ_PB11MP_CLCD }
+#define DMAC_IRQ                { IRQ_PB11MP_DMAC }
+#define SCTL_IRQ                { }
+#define PB11MP_WATCHDOG_IRQ     { IRQ_PB11MP_WATCHDOG }
+#define PB11MP_GPIO0_IRQ        { IRQ_PB11MP_GPIO0 }
+#define GPIO1_IRQ               { IRQ_PB11MP_GPIO1 }
+#define PB11MP_RTC_IRQ          { IRQ_TC11MP_RTC }
+#define SCI_IRQ                 { IRQ_PB11MP_SCI }
+#define PB11MP_UART0_IRQ        { IRQ_TC11MP_UART0 }
+#define PB11MP_UART1_IRQ        { IRQ_TC11MP_UART1 }
+#define PB11MP_UART2_IRQ        { IRQ_PB11MP_UART2 }
+#define PB11MP_UART3_IRQ        { IRQ_PB11MP_UART3 }
+#define PB11MP_SSP_IRQ          { IRQ_PB11MP_SSP }
 
 /* FPGA Primecells */
-AMBA_DEVICE(aaci,       "fpga:aaci",    AACI,           NULL);
-AMBA_DEVICE(mmc0,       "fpga:mmc0",    MMCI0,          &realview_mmc0_plat_data);
-AMBA_DEVICE(kmi0,       "fpga:kmi0",    KMI0,           NULL);
-AMBA_DEVICE(kmi1,       "fpga:kmi1",    KMI1,           NULL);
-AMBA_DEVICE(uart3,      "fpga:uart3",   PB11MP_UART3,   NULL);
+APB_DEVICE(aaci,        "fpga:aaci",    AACI,           NULL);
+APB_DEVICE(mmc0,        "fpga:mmc0",    MMCI0,          &realview_mmc0_plat_data);
+APB_DEVICE(kmi0,        "fpga:kmi0",    KMI0,           NULL);
+APB_DEVICE(kmi1,        "fpga:kmi1",    KMI1,           NULL);
+APB_DEVICE(uart3,       "fpga:uart3",   PB11MP_UART3,   NULL);
 
 /* DevChip Primecells */
-AMBA_DEVICE(smc,        "dev:smc",      PB11MP_SMC,     NULL);
-AMBA_DEVICE(sctl,       "dev:sctl",     SCTL,           NULL);
-AMBA_DEVICE(wdog,       "dev:wdog",     PB11MP_WATCHDOG, NULL);
-AMBA_DEVICE(gpio0,      "dev:gpio0",    PB11MP_GPIO0,   &gpio0_plat_data);
-AMBA_DEVICE(gpio1,      "dev:gpio1",    GPIO1,          &gpio1_plat_data);
-AMBA_DEVICE(gpio2,      "dev:gpio2",    GPIO2,          &gpio2_plat_data);
-AMBA_DEVICE(rtc,        "dev:rtc",      PB11MP_RTC,     NULL);
-AMBA_DEVICE(sci0,       "dev:sci0",     SCI,            NULL);
-AMBA_DEVICE(uart0,      "dev:uart0",    PB11MP_UART0,   NULL);
-AMBA_DEVICE(uart1,      "dev:uart1",    PB11MP_UART1,   NULL);
-AMBA_DEVICE(uart2,      "dev:uart2",    PB11MP_UART2,   NULL);
-AMBA_DEVICE(ssp0,       "dev:ssp0",     PB11MP_SSP,     &ssp0_plat_data);
+AHB_DEVICE(smc,         "dev:smc",      PB11MP_SMC,     NULL);
+AHB_DEVICE(sctl,        "dev:sctl",     SCTL,           NULL);
+APB_DEVICE(wdog,        "dev:wdog",     PB11MP_WATCHDOG, NULL);
+APB_DEVICE(gpio0,       "dev:gpio0",    PB11MP_GPIO0,   &gpio0_plat_data);
+APB_DEVICE(gpio1,       "dev:gpio1",    GPIO1,          &gpio1_plat_data);
+APB_DEVICE(gpio2,       "dev:gpio2",    GPIO2,          &gpio2_plat_data);
+APB_DEVICE(rtc,         "dev:rtc",      PB11MP_RTC,     NULL);
+APB_DEVICE(sci0,        "dev:sci0",     SCI,            NULL);
+APB_DEVICE(uart0,       "dev:uart0",    PB11MP_UART0,   NULL);
+APB_DEVICE(uart1,       "dev:uart1",    PB11MP_UART1,   NULL);
+APB_DEVICE(uart2,       "dev:uart2",    PB11MP_UART2,   NULL);
+APB_DEVICE(ssp0,        "dev:ssp0",     PB11MP_SSP,     &ssp0_plat_data);
 
 /* Primecells on the NEC ISSP chip */
-AMBA_DEVICE(clcd,       "issp:clcd",    PB11MP_CLCD,    &clcd_plat_data);
-AMBA_DEVICE(dmac,       "issp:dmac",    DMAC,           NULL);
+AHB_DEVICE(clcd,        "issp:clcd",    PB11MP_CLCD,    &clcd_plat_data);
+AHB_DEVICE(dmac,        "issp:dmac",    DMAC,           NULL);
 
 static struct amba_device *amba_devs[] __initdata = {
         &dmac_device,
diff --git a/arch/arm/mach-realview/realview_pba8.c b/arch/arm/mach-realview/realview_pba8.c
index 25b2e59296f8..59650174e6ed 100644
--- a/arch/arm/mach-realview/realview_pba8.c
+++ b/arch/arm/mach-realview/realview_pba8.c
@@ -122,52 +122,52 @@ static struct pl022_ssp_controller ssp0_plat_data = {
  * RealView PBA8Core AMBA devices
  */
 
-#define GPIO2_IRQ               { IRQ_PBA8_GPIO2, NO_IRQ }
-#define GPIO3_IRQ               { IRQ_PBA8_GPIO3, NO_IRQ }
-#define AACI_IRQ                { IRQ_PBA8_AACI, NO_IRQ }
+#define GPIO2_IRQ               { IRQ_PBA8_GPIO2 }
+#define GPIO3_IRQ               { IRQ_PBA8_GPIO3 }
+#define AACI_IRQ                { IRQ_PBA8_AACI }
 #define MMCI0_IRQ               { IRQ_PBA8_MMCI0A, IRQ_PBA8_MMCI0B }
-#define KMI0_IRQ                { IRQ_PBA8_KMI0, NO_IRQ }
-#define KMI1_IRQ                { IRQ_PBA8_KMI1, NO_IRQ }
-#define PBA8_SMC_IRQ            { NO_IRQ, NO_IRQ }
-#define MPMC_IRQ                { NO_IRQ, NO_IRQ }
-#define PBA8_CLCD_IRQ           { IRQ_PBA8_CLCD, NO_IRQ }
-#define DMAC_IRQ                { IRQ_PBA8_DMAC, NO_IRQ }
-#define SCTL_IRQ                { NO_IRQ, NO_IRQ }
-#define PBA8_WATCHDOG_IRQ       { IRQ_PBA8_WATCHDOG, NO_IRQ }
-#define PBA8_GPIO0_IRQ          { IRQ_PBA8_GPIO0, NO_IRQ }
-#define GPIO1_IRQ               { IRQ_PBA8_GPIO1, NO_IRQ }
-#define PBA8_RTC_IRQ            { IRQ_PBA8_RTC, NO_IRQ }
-#define SCI_IRQ                 { IRQ_PBA8_SCI, NO_IRQ }
-#define PBA8_UART0_IRQ          { IRQ_PBA8_UART0, NO_IRQ }
-#define PBA8_UART1_IRQ          { IRQ_PBA8_UART1, NO_IRQ }
-#define PBA8_UART2_IRQ          { IRQ_PBA8_UART2, NO_IRQ }
-#define PBA8_UART3_IRQ          { IRQ_PBA8_UART3, NO_IRQ }
-#define PBA8_SSP_IRQ            { IRQ_PBA8_SSP, NO_IRQ }
+#define KMI0_IRQ                { IRQ_PBA8_KMI0 }
+#define KMI1_IRQ                { IRQ_PBA8_KMI1 }
+#define PBA8_SMC_IRQ            { }
+#define MPMC_IRQ                { }
+#define PBA8_CLCD_IRQ           { IRQ_PBA8_CLCD }
+#define DMAC_IRQ                { IRQ_PBA8_DMAC }
+#define SCTL_IRQ                { }
+#define PBA8_WATCHDOG_IRQ       { IRQ_PBA8_WATCHDOG }
+#define PBA8_GPIO0_IRQ          { IRQ_PBA8_GPIO0 }
+#define GPIO1_IRQ               { IRQ_PBA8_GPIO1 }
+#define PBA8_RTC_IRQ            { IRQ_PBA8_RTC }
+#define SCI_IRQ                 { IRQ_PBA8_SCI }
+#define PBA8_UART0_IRQ          { IRQ_PBA8_UART0 }
+#define PBA8_UART1_IRQ          { IRQ_PBA8_UART1 }
+#define PBA8_UART2_IRQ          { IRQ_PBA8_UART2 }
+#define PBA8_UART3_IRQ          { IRQ_PBA8_UART3 }
+#define PBA8_SSP_IRQ            { IRQ_PBA8_SSP }
 
 /* FPGA Primecells */
-AMBA_DEVICE(aaci,       "fpga:aaci",    AACI,           NULL);
-AMBA_DEVICE(mmc0,       "fpga:mmc0",    MMCI0,          &realview_mmc0_plat_data);
-AMBA_DEVICE(kmi0,       "fpga:kmi0",    KMI0,           NULL);
-AMBA_DEVICE(kmi1,       "fpga:kmi1",    KMI1,           NULL);
-AMBA_DEVICE(uart3,      "fpga:uart3",   PBA8_UART3,     NULL);
+APB_DEVICE(aaci,        "fpga:aaci",    AACI,           NULL);
+APB_DEVICE(mmc0,        "fpga:mmc0",    MMCI0,          &realview_mmc0_plat_data);
+APB_DEVICE(kmi0,        "fpga:kmi0",    KMI0,           NULL);
+APB_DEVICE(kmi1,        "fpga:kmi1",    KMI1,           NULL);
+APB_DEVICE(uart3,       "fpga:uart3",   PBA8_UART3,     NULL);
 
 /* DevChip Primecells */
-AMBA_DEVICE(smc,        "dev:smc",      PBA8_SMC,       NULL);
-AMBA_DEVICE(sctl,       "dev:sctl",     SCTL,           NULL);
-AMBA_DEVICE(wdog,       "dev:wdog",     PBA8_WATCHDOG, NULL);
-AMBA_DEVICE(gpio0,      "dev:gpio0",    PBA8_GPIO0,     &gpio0_plat_data);
-AMBA_DEVICE(gpio1,      "dev:gpio1",    GPIO1,          &gpio1_plat_data);
-AMBA_DEVICE(gpio2,      "dev:gpio2",    GPIO2,          &gpio2_plat_data);
-AMBA_DEVICE(rtc,        "dev:rtc",      PBA8_RTC,       NULL);
-AMBA_DEVICE(sci0,       "dev:sci0",     SCI,            NULL);
-AMBA_DEVICE(uart0,      "dev:uart0",    PBA8_UART0,     NULL);
-AMBA_DEVICE(uart1,      "dev:uart1",    PBA8_UART1,     NULL);
-AMBA_DEVICE(uart2,      "dev:uart2",    PBA8_UART2,     NULL);
-AMBA_DEVICE(ssp0,       "dev:ssp0",     PBA8_SSP,       &ssp0_plat_data);
+AHB_DEVICE(smc,         "dev:smc",      PBA8_SMC,       NULL);
+AHB_DEVICE(sctl,        "dev:sctl",     SCTL,           NULL);
+APB_DEVICE(wdog,        "dev:wdog",     PBA8_WATCHDOG, NULL);
+APB_DEVICE(gpio0,       "dev:gpio0",    PBA8_GPIO0,     &gpio0_plat_data);
+APB_DEVICE(gpio1,       "dev:gpio1",    GPIO1,          &gpio1_plat_data);
+APB_DEVICE(gpio2,       "dev:gpio2",    GPIO2,          &gpio2_plat_data);
+APB_DEVICE(rtc,         "dev:rtc",      PBA8_RTC,       NULL);
+APB_DEVICE(sci0,        "dev:sci0",     SCI,            NULL);
+APB_DEVICE(uart0,       "dev:uart0",    PBA8_UART0,     NULL);
+APB_DEVICE(uart1,       "dev:uart1",    PBA8_UART1,     NULL);
+APB_DEVICE(uart2,       "dev:uart2",    PBA8_UART2,     NULL);
+APB_DEVICE(ssp0,        "dev:ssp0",     PBA8_SSP,       &ssp0_plat_data);
 
 /* Primecells on the NEC ISSP chip */
-AMBA_DEVICE(clcd,       "issp:clcd",    PBA8_CLCD,      &clcd_plat_data);
-AMBA_DEVICE(dmac,       "issp:dmac",    DMAC,           NULL);
+AHB_DEVICE(clcd,        "issp:clcd",    PBA8_CLCD,      &clcd_plat_data);
+AHB_DEVICE(dmac,        "issp:dmac",    DMAC,           NULL);
 
 static struct amba_device *amba_devs[] __initdata = {
         &dmac_device,
diff --git a/arch/arm/mach-realview/realview_pbx.c b/arch/arm/mach-realview/realview_pbx.c
index ac715645b860..1cd9956f5875 100644
--- a/arch/arm/mach-realview/realview_pbx.c
+++ b/arch/arm/mach-realview/realview_pbx.c
@@ -144,52 +144,52 @@ static struct pl022_ssp_controller ssp0_plat_data = {
  * RealView PBXCore AMBA devices
  */
 
-#define GPIO2_IRQ               { IRQ_PBX_GPIO2, NO_IRQ }
-#define GPIO3_IRQ               { IRQ_PBX_GPIO3, NO_IRQ }
-#define AACI_IRQ                { IRQ_PBX_AACI, NO_IRQ }
+#define GPIO2_IRQ               { IRQ_PBX_GPIO2 }
+#define GPIO3_IRQ               { IRQ_PBX_GPIO3 }
+#define AACI_IRQ                { IRQ_PBX_AACI }
 #define MMCI0_IRQ               { IRQ_PBX_MMCI0A, IRQ_PBX_MMCI0B }
-#define KMI0_IRQ                { IRQ_PBX_KMI0, NO_IRQ }
-#define KMI1_IRQ                { IRQ_PBX_KMI1, NO_IRQ }
-#define PBX_SMC_IRQ             { NO_IRQ, NO_IRQ }
-#define MPMC_IRQ                { NO_IRQ, NO_IRQ }
-#define PBX_CLCD_IRQ            { IRQ_PBX_CLCD, NO_IRQ }
-#define DMAC_IRQ                { IRQ_PBX_DMAC, NO_IRQ }
-#define SCTL_IRQ                { NO_IRQ, NO_IRQ }
-#define PBX_WATCHDOG_IRQ        { IRQ_PBX_WATCHDOG, NO_IRQ }
-#define PBX_GPIO0_IRQ           { IRQ_PBX_GPIO0, NO_IRQ }
-#define GPIO1_IRQ               { IRQ_PBX_GPIO1, NO_IRQ }
-#define PBX_RTC_IRQ             { IRQ_PBX_RTC, NO_IRQ }
-#define SCI_IRQ                 { IRQ_PBX_SCI, NO_IRQ }
-#define PBX_UART0_IRQ           { IRQ_PBX_UART0, NO_IRQ }
-#define PBX_UART1_IRQ           { IRQ_PBX_UART1, NO_IRQ }
-#define PBX_UART2_IRQ           { IRQ_PBX_UART2, NO_IRQ }
-#define PBX_UART3_IRQ           { IRQ_PBX_UART3, NO_IRQ }
-#define PBX_SSP_IRQ             { IRQ_PBX_SSP, NO_IRQ }
+#define KMI0_IRQ                { IRQ_PBX_KMI0 }
+#define KMI1_IRQ                { IRQ_PBX_KMI1 }
+#define PBX_SMC_IRQ             { }
+#define MPMC_IRQ                { }
+#define PBX_CLCD_IRQ            { IRQ_PBX_CLCD }
+#define DMAC_IRQ                { IRQ_PBX_DMAC }
+#define SCTL_IRQ                { }
+#define PBX_WATCHDOG_IRQ        { IRQ_PBX_WATCHDOG }
+#define PBX_GPIO0_IRQ           { IRQ_PBX_GPIO0 }
+#define GPIO1_IRQ               { IRQ_PBX_GPIO1 }
+#define PBX_RTC_IRQ             { IRQ_PBX_RTC }
+#define SCI_IRQ                 { IRQ_PBX_SCI }
+#define PBX_UART0_IRQ           { IRQ_PBX_UART0 }
+#define PBX_UART1_IRQ           { IRQ_PBX_UART1 }
+#define PBX_UART2_IRQ           { IRQ_PBX_UART2 }
+#define PBX_UART3_IRQ           { IRQ_PBX_UART3 }
+#define PBX_SSP_IRQ             { IRQ_PBX_SSP }
 
 /* FPGA Primecells */
-AMBA_DEVICE(aaci,       "fpga:aaci",    AACI,           NULL);
-AMBA_DEVICE(mmc0,       "fpga:mmc0",    MMCI0,          &realview_mmc0_plat_data);
-AMBA_DEVICE(kmi0,       "fpga:kmi0",    KMI0,           NULL);
-AMBA_DEVICE(kmi1,       "fpga:kmi1",    KMI1,           NULL);
-AMBA_DEVICE(uart3,      "fpga:uart3",   PBX_UART3,      NULL);
+APB_DEVICE(aaci,        "fpga:aaci",    AACI,           NULL);
+APB_DEVICE(mmc0,        "fpga:mmc0",    MMCI0,          &realview_mmc0_plat_data);
+APB_DEVICE(kmi0,        "fpga:kmi0",    KMI0,           NULL);
+APB_DEVICE(kmi1,        "fpga:kmi1",    KMI1,           NULL);
+APB_DEVICE(uart3,       "fpga:uart3",   PBX_UART3,      NULL);
 
 /* DevChip Primecells */
-AMBA_DEVICE(smc,        "dev:smc",      PBX_SMC,        NULL);
-AMBA_DEVICE(sctl,       "dev:sctl",     SCTL,           NULL);
-AMBA_DEVICE(wdog,       "dev:wdog",     PBX_WATCHDOG,   NULL);
-AMBA_DEVICE(gpio0,      "dev:gpio0",    PBX_GPIO0,      &gpio0_plat_data);
-AMBA_DEVICE(gpio1,      "dev:gpio1",    GPIO1,          &gpio1_plat_data);
-AMBA_DEVICE(gpio2,      "dev:gpio2",    GPIO2,          &gpio2_plat_data);
-AMBA_DEVICE(rtc,        "dev:rtc",      PBX_RTC,        NULL);
-AMBA_DEVICE(sci0,       "dev:sci0",     SCI,            NULL);
-AMBA_DEVICE(uart0,      "dev:uart0",    PBX_UART0,      NULL);
-AMBA_DEVICE(uart1,      "dev:uart1",    PBX_UART1,      NULL);
-AMBA_DEVICE(uart2,      "dev:uart2",    PBX_UART2,      NULL);
-AMBA_DEVICE(ssp0,       "dev:ssp0",     PBX_SSP,        &ssp0_plat_data);
+AHB_DEVICE(smc, "dev:smc",      PBX_SMC,        NULL);
+AHB_DEVICE(sctl,        "dev:sctl",     SCTL,           NULL);
+APB_DEVICE(wdog,        "dev:wdog",     PBX_WATCHDOG,   NULL);
+APB_DEVICE(gpio0,       "dev:gpio0",    PBX_GPIO0,      &gpio0_plat_data);
+APB_DEVICE(gpio1,       "dev:gpio1",    GPIO1,          &gpio1_plat_data);
+APB_DEVICE(gpio2,       "dev:gpio2",    GPIO2,          &gpio2_plat_data);
+APB_DEVICE(rtc,         "dev:rtc",      PBX_RTC,        NULL);
+APB_DEVICE(sci0,        "dev:sci0",     SCI,            NULL);
+APB_DEVICE(uart0,       "dev:uart0",    PBX_UART0,      NULL);
+APB_DEVICE(uart1,       "dev:uart1",    PBX_UART1,      NULL);
+APB_DEVICE(uart2,       "dev:uart2",    PBX_UART2,      NULL);
+APB_DEVICE(ssp0,        "dev:ssp0",     PBX_SSP,        &ssp0_plat_data);
 
 /* Primecells on the NEC ISSP chip */
-AMBA_DEVICE(clcd,       "issp:clcd",    PBX_CLCD,       &clcd_plat_data);
-AMBA_DEVICE(dmac,       "issp:dmac",    DMAC,           NULL);
+AHB_DEVICE(clcd,        "issp:clcd",    PBX_CLCD,       &clcd_plat_data);
+AHB_DEVICE(dmac,        "issp:dmac",    DMAC,           NULL);
 
 static struct amba_device *amba_devs[] __initdata = {
         &dmac_device,
diff --git a/arch/arm/mach-rpc/include/mach/system.h b/arch/arm/mach-rpc/include/mach/system.h
deleted file mode 100644
index 359bab94b6af..000000000000
--- a/arch/arm/mach-rpc/include/mach/system.h
+++ /dev/null
@@ -1,13 +0,0 @@
-/*
- *  arch/arm/mach-rpc/include/mach/system.h
- *
- *  Copyright (C) 1996-1999 Russell King.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-static inline void arch_idle(void)
-{
-        cpu_do_idle();
-}
diff --git a/arch/arm/mach-s3c2410/include/mach/system.h b/arch/arm/mach-s3c2410/include/mach/system.h
deleted file mode 100644
index 5e215c1a5c8f..000000000000
--- a/arch/arm/mach-s3c2410/include/mach/system.h
+++ /dev/null
@@ -1,54 +0,0 @@
-/* arch/arm/mach-s3c2410/include/mach/system.h
- *
- * Copyright (c) 2003 Simtec Electronics
- *      Ben Dooks <ben@simtec.co.uk>
- *
- * S3C2410 - System function defines and includes
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/io.h>
-#include <mach/hardware.h>
-
-#include <mach/map.h>
-#include <mach/idle.h>
-
-#include <mach/regs-clock.h>
-
-void (*s3c24xx_idle)(void);
-
-void s3c24xx_default_idle(void)
-{
-        unsigned long tmp;
-        int i;
-
-        /* idle the system by using the idle mode which will wait for an
-         * interrupt to happen before restarting the system.
-         */
-
-        /* Warning: going into idle state upsets jtag scanning */
-
-        __raw_writel(__raw_readl(S3C2410_CLKCON) | S3C2410_CLKCON_IDLE,
-                     S3C2410_CLKCON);
-
-        /* the samsung port seems to do a loop and then unset idle.. */
-        for (i = 0; i < 50; i++) {
-                tmp += __raw_readl(S3C2410_CLKCON); /* ensure loop not optimised out */
-        }
-
-        /* this bit is not cleared on re-start... */
-
-        __raw_writel(__raw_readl(S3C2410_CLKCON) & ~S3C2410_CLKCON_IDLE,
-                     S3C2410_CLKCON);
-}
-
-static void arch_idle(void)
-{
-        if (s3c24xx_idle != NULL)
-                (s3c24xx_idle)();
-        else
-                s3c24xx_default_idle();
-}
diff --git a/arch/arm/mach-s3c2412/s3c2412.c b/arch/arm/mach-s3c2412/s3c2412.c
index aff6e85a97c6..c6eac9871093 100644
--- a/arch/arm/mach-s3c2412/s3c2412.c
+++ b/arch/arm/mach-s3c2412/s3c2412.c
@@ -32,8 +32,6 @@
 #include <asm/proc-fns.h>
 #include <asm/irq.h>
 
-#include <mach/idle.h>
-
 #include <plat/cpu-freq.h>
 
 #include <mach/regs-clock.h>
@@ -164,7 +162,7 @@ void __init s3c2412_map_io(void)
 
         /* set our idle function */
 
-        s3c24xx_idle = s3c2412_idle;
+        arm_pm_idle = s3c2412_idle;
 
         /* register our io-tables */
 
diff --git a/arch/arm/mach-s3c2416/s3c2416.c b/arch/arm/mach-s3c2416/s3c2416.c
index 5287d2808d3e..08bb0355159d 100644
--- a/arch/arm/mach-s3c2416/s3c2416.c
+++ b/arch/arm/mach-s3c2416/s3c2416.c
@@ -44,7 +44,6 @@
 #include <asm/proc-fns.h>
 #include <asm/irq.h>
 
-#include <mach/idle.h>
 #include <mach/regs-s3c2443-clock.h>
 
 #include <plat/gpio-core.h>
@@ -88,8 +87,6 @@ int __init s3c2416_init(void)
 {
         printk(KERN_INFO "S3C2416: Initializing architecture\n");
 
-        /* s3c24xx_idle = s3c2416_idle; */
-
         /* change WDT IRQ number */
         s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT;
         s3c_device_wdt.resource[1].end   = IRQ_S3C2443_WDT;
diff --git a/arch/arm/mach-s3c64xx/include/mach/system.h b/arch/arm/mach-s3c64xx/include/mach/system.h
deleted file mode 100644
index 353ed4389ae7..000000000000
--- a/arch/arm/mach-s3c64xx/include/mach/system.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/* linux/arch/arm/mach-s3c6400/include/mach/system.h
- *
- * Copyright 2008 Openmoko, Inc.
- * Copyright 2008 Simtec Electronics
- *      Ben Dooks <ben@simtec.co.uk>
- *      http://armlinux.simtec.co.uk/
- *
- * S3C6400 - system implementation
- */
-
-#ifndef __ASM_ARCH_SYSTEM_H
-#define __ASM_ARCH_SYSTEM_H __FILE__
-
-static void arch_idle(void)
-{
-        /* nothing here yet */
-}
-
-#endif /* __ASM_ARCH_IRQ_H */
diff --git a/arch/arm/mach-s5p64x0/common.c b/arch/arm/mach-s5p64x0/common.c
index 52b89a376447..9143f8b19962 100644
--- a/arch/arm/mach-s5p64x0/common.c
+++ b/arch/arm/mach-s5p64x0/common.c
@@ -146,15 +146,12 @@ static void s5p64x0_idle(void)
 {
         unsigned long val;
 
-        if (!need_resched()) {
-                val = __raw_readl(S5P64X0_PWR_CFG);
-                val &= ~(0x3 << 5);
-                val |= (0x1 << 5);
-                __raw_writel(val, S5P64X0_PWR_CFG);
+        val = __raw_readl(S5P64X0_PWR_CFG);
+        val &= ~(0x3 << 5);
+        val |= (0x1 << 5);
+        __raw_writel(val, S5P64X0_PWR_CFG);
 
-                cpu_do_idle();
-        }
-        local_irq_enable();
+        cpu_do_idle();
 }
 
 /*
@@ -286,7 +283,7 @@ int __init s5p64x0_init(void)
         printk(KERN_INFO "S5P64X0(S5P6440/S5P6450): Initializing architecture\n");
 
         /* set idle function */
-        pm_idle = s5p64x0_idle;
+        arm_pm_idle = s5p64x0_idle;
 
         return device_register(&s5p64x0_dev);
 }
diff --git a/arch/arm/mach-s5p64x0/dma.c b/arch/arm/mach-s5p64x0/dma.c
index f820c0744405..f7f68ad77910 100644
--- a/arch/arm/mach-s5p64x0/dma.c
+++ b/arch/arm/mach-s5p64x0/dma.c
@@ -108,34 +108,22 @@ struct dma_pl330_platdata s5p6450_pdma_pdata = {
         .peri_id = s5p6450_pdma_peri,
 };
 
-struct amba_device s5p64x0_device_pdma = {
-        .dev = {
-                .init_name = "dma-pl330",
-                .dma_mask = &dma_dmamask,
-                .coherent_dma_mask = DMA_BIT_MASK(32),
-        },
-        .res = {
-                .start = S5P64X0_PA_PDMA,
-                .end = S5P64X0_PA_PDMA + SZ_4K,
-                .flags = IORESOURCE_MEM,
-        },
-        .irq = {IRQ_DMA0, NO_IRQ},
-        .periphid = 0x00041330,
-};
+AMBA_AHB_DEVICE(s5p64x0_pdma, "dma-pl330", 0x00041330, S5P64X0_PA_PDMA,
+        {IRQ_DMA0}, NULL);
 
 static int __init s5p64x0_dma_init(void)
 {
         if (soc_is_s5p6450()) {
                 dma_cap_set(DMA_SLAVE, s5p6450_pdma_pdata.cap_mask);
                 dma_cap_set(DMA_CYCLIC, s5p6450_pdma_pdata.cap_mask);
-                s5p64x0_device_pdma.dev.platform_data = &s5p6450_pdma_pdata;
+                s5p64x0_pdma_device.dev.platform_data = &s5p6450_pdma_pdata;
         } else {
                 dma_cap_set(DMA_SLAVE, s5p6440_pdma_pdata.cap_mask);
                 dma_cap_set(DMA_CYCLIC, s5p6440_pdma_pdata.cap_mask);
-                s5p64x0_device_pdma.dev.platform_data = &s5p6440_pdma_pdata;
+                s5p64x0_pdma_device.dev.platform_data = &s5p6440_pdma_pdata;
         }
 
-        amba_device_register(&s5p64x0_device_pdma, &iomem_resource);
+        amba_device_register(&s5p64x0_pdma_device, &iomem_resource);
 
         return 0;
 }
diff --git a/arch/arm/mach-s5p64x0/include/mach/system.h b/arch/arm/mach-s5p64x0/include/mach/system.h
deleted file mode 100644
index cf26e0954a2f..000000000000
--- a/arch/arm/mach-s5p64x0/include/mach/system.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/* linux/arch/arm/mach-s5p64x0/include/mach/system.h
- *
- * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
- *              http://www.samsung.com
- *
- * S5P64X0 - system support header
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#ifndef __ASM_ARCH_SYSTEM_H
-#define __ASM_ARCH_SYSTEM_H __FILE__
-
-static void arch_idle(void)
-{
-        /* nothing here yet */
-}
-
-#endif /* __ASM_ARCH_SYSTEM_H */
diff --git a/arch/arm/mach-s5pc100/common.c b/arch/arm/mach-s5pc100/common.c
index c9095730a7f5..ff71e2d467c6 100644
--- a/arch/arm/mach-s5pc100/common.c
+++ b/arch/arm/mach-s5pc100/common.c
@@ -129,14 +129,6 @@ static struct map_desc s5pc100_iodesc[] __initdata = {
         }
 };
 
-static void s5pc100_idle(void)
-{
-        if (!need_resched())
-                cpu_do_idle();
-
-        local_irq_enable();
-}
-
 /*
  * s5pc100_map_io
  *
@@ -210,10 +202,6 @@ core_initcall(s5pc100_core_init);
 int __init s5pc100_init(void)
 {
         printk(KERN_INFO "S5PC100: Initializing architecture\n");
-
-        /* set idle function */
-        pm_idle = s5pc100_idle;
-
         return device_register(&s5pc100_dev);
 }
 
diff --git a/arch/arm/mach-s5pc100/dma.c b/arch/arm/mach-s5pc100/dma.c
index c841f4d313f2..96b1ab3dcd48 100644
--- a/arch/arm/mach-s5pc100/dma.c
+++ b/arch/arm/mach-s5pc100/dma.c
@@ -73,21 +73,8 @@ struct dma_pl330_platdata s5pc100_pdma0_pdata = {
         .peri_id = pdma0_peri,
 };
 
-struct amba_device s5pc100_device_pdma0 = {
-        .dev = {
-                .init_name = "dma-pl330.0",
-                .dma_mask = &dma_dmamask,
-                .coherent_dma_mask = DMA_BIT_MASK(32),
-                .platform_data = &s5pc100_pdma0_pdata,
-        },
-        .res = {
-                .start = S5PC100_PA_PDMA0,
-                .end = S5PC100_PA_PDMA0 + SZ_4K,
-                .flags = IORESOURCE_MEM,
-        },
-        .irq = {IRQ_PDMA0, NO_IRQ},
-        .periphid = 0x00041330,
-};
+AMBA_AHB_DEVICE(s5pc100_pdma0,  "dma-pl330.0", 0x00041330, S5PC100_PA_PDMA0,
+        {IRQ_PDMA0}, &s5pc100_pdma0_pdata);
 
 u8 pdma1_peri[] = {
         DMACH_UART0_RX,
@@ -127,31 +114,18 @@ struct dma_pl330_platdata s5pc100_pdma1_pdata = {
         .peri_id = pdma1_peri,
 };
 
-struct amba_device s5pc100_device_pdma1 = {
-        .dev = {
-                .init_name = "dma-pl330.1",
-                .dma_mask = &dma_dmamask,
-                .coherent_dma_mask = DMA_BIT_MASK(32),
-                .platform_data = &s5pc100_pdma1_pdata,
-        },
-        .res = {
-                .start = S5PC100_PA_PDMA1,
-                .end = S5PC100_PA_PDMA1 + SZ_4K,
-                .flags = IORESOURCE_MEM,
-        },
-        .irq = {IRQ_PDMA1, NO_IRQ},
-        .periphid = 0x00041330,
-};
+AMBA_AHB_DEVICE(s5pc100_pdma1, "dma-pl330.1", 0x00041330, S5PC100_PA_PDMA1,
+        {IRQ_PDMA1}, &s5pc100_pdma1_pdata);
 
 static int __init s5pc100_dma_init(void)
 {
         dma_cap_set(DMA_SLAVE, s5pc100_pdma0_pdata.cap_mask);
         dma_cap_set(DMA_CYCLIC, s5pc100_pdma0_pdata.cap_mask);
-        amba_device_register(&s5pc100_device_pdma0, &iomem_resource);
+        amba_device_register(&s5pc100_pdma0_device, &iomem_resource);
 
         dma_cap_set(DMA_SLAVE, s5pc100_pdma1_pdata.cap_mask);
         dma_cap_set(DMA_CYCLIC, s5pc100_pdma1_pdata.cap_mask);
-        amba_device_register(&s5pc100_device_pdma1, &iomem_resource);
+        amba_device_register(&s5pc100_pdma1_device, &iomem_resource);
 
         return 0;
 }
diff --git a/arch/arm/mach-s5pc100/include/mach/system.h b/arch/arm/mach-s5pc100/include/mach/system.h
deleted file mode 100644
index afc96c298518..000000000000
--- a/arch/arm/mach-s5pc100/include/mach/system.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/* linux/arch/arm/mach-s5pc100/include/mach/system.h
- *
- * Copyright 2009 Samsung Electronics Co.
- *      Byungho Min <bhmin@samsung.com>
- *
- * S5PC100 - system implementation
- *
- * Based on mach-s3c6400/include/mach/system.h
- */
-
-#ifndef __ASM_ARCH_SYSTEM_H
-#define __ASM_ARCH_SYSTEM_H __FILE__
-
-static void arch_idle(void)
-{
-        /* nothing here yet */
-}
-
-#endif /* __ASM_ARCH_IRQ_H */
diff --git a/arch/arm/mach-s5pv210/common.c b/arch/arm/mach-s5pv210/common.c
index 9c1bcdcc12c3..4c9e9027df9a 100644
--- a/arch/arm/mach-s5pv210/common.c
+++ b/arch/arm/mach-s5pv210/common.c
@@ -142,14 +142,6 @@ static struct map_desc s5pv210_iodesc[] __initdata = {
         }
 };
 
-static void s5pv210_idle(void)
-{
-        if (!need_resched())
-                cpu_do_idle();
-
-        local_irq_enable();
-}
-
 void s5pv210_restart(char mode, const char *cmd)
 {
         __raw_writel(0x1, S5P_SWRESET);
@@ -247,10 +239,6 @@ core_initcall(s5pv210_core_init);
 int __init s5pv210_init(void)
 {
         printk(KERN_INFO "S5PV210: Initializing architecture\n");
-
-        /* set idle function */
-        pm_idle = s5pv210_idle;
-
         return device_register(&s5pv210_dev);
 }
 
diff --git a/arch/arm/mach-s5pv210/dma.c b/arch/arm/mach-s5pv210/dma.c
index a6113e0267f2..f6885d247d14 100644
--- a/arch/arm/mach-s5pv210/dma.c
+++ b/arch/arm/mach-s5pv210/dma.c
@@ -71,21 +71,8 @@ struct dma_pl330_platdata s5pv210_pdma0_pdata = {
         .peri_id = pdma0_peri,
 };
 
-struct amba_device s5pv210_device_pdma0 = {
-        .dev = {
-                .init_name = "dma-pl330.0",
-                .dma_mask = &dma_dmamask,
-                .coherent_dma_mask = DMA_BIT_MASK(32),
-                .platform_data = &s5pv210_pdma0_pdata,
-        },
-        .res = {
-                .start = S5PV210_PA_PDMA0,
-                .end = S5PV210_PA_PDMA0 + SZ_4K,
-                .flags = IORESOURCE_MEM,
-        },
-        .irq = {IRQ_PDMA0, NO_IRQ},
-        .periphid = 0x00041330,
-};
+AMBA_AHB_DEVICE(s5pv210_pdma0, "dma-pl330.0", 0x00041330, S5PV210_PA_PDMA0,
+        {IRQ_PDMA0}, &s5pv210_pdma0_pdata);
 
 u8 pdma1_peri[] = {
         DMACH_UART0_RX,
@@ -127,31 +114,18 @@ struct dma_pl330_platdata s5pv210_pdma1_pdata = {
         .peri_id = pdma1_peri,
 };
 
-struct amba_device s5pv210_device_pdma1 = {
-        .dev = {
-                .init_name = "dma-pl330.1",
-                .dma_mask = &dma_dmamask,
-                .coherent_dma_mask = DMA_BIT_MASK(32),
-                .platform_data = &s5pv210_pdma1_pdata,
-        },
-        .res = {
-                .start = S5PV210_PA_PDMA1,
-                .end = S5PV210_PA_PDMA1 + SZ_4K,
-                .flags = IORESOURCE_MEM,
-        },
-        .irq = {IRQ_PDMA1, NO_IRQ},
-        .periphid = 0x00041330,
-};
+AMBA_AHB_DEVICE(s5pv210_pdma1, "dma-pl330.1", 0x00041330, S5PV210_PA_PDMA1,
+        {IRQ_PDMA1}, &s5pv210_pdma1_pdata);
 
 static int __init s5pv210_dma_init(void)
 {
         dma_cap_set(DMA_SLAVE, s5pv210_pdma0_pdata.cap_mask);
         dma_cap_set(DMA_CYCLIC, s5pv210_pdma0_pdata.cap_mask);
-        amba_device_register(&s5pv210_device_pdma0, &iomem_resource);
+        amba_device_register(&s5pv210_pdma0_device, &iomem_resource);
 
         dma_cap_set(DMA_SLAVE, s5pv210_pdma1_pdata.cap_mask);
         dma_cap_set(DMA_CYCLIC, s5pv210_pdma1_pdata.cap_mask);
-        amba_device_register(&s5pv210_device_pdma1, &iomem_resource);
+        amba_device_register(&s5pv210_pdma1_device, &iomem_resource);
 
         return 0;
 }
diff --git a/arch/arm/mach-s5pv210/include/mach/system.h b/arch/arm/mach-s5pv210/include/mach/system.h
deleted file mode 100644
index bf288ced860a..000000000000
--- a/arch/arm/mach-s5pv210/include/mach/system.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/* linux/arch/arm/mach-s5pv210/include/mach/system.h
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *              http://www.samsung.com/
- *
- * S5PV210 - system support header
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#ifndef __ASM_ARCH_SYSTEM_H
-#define __ASM_ARCH_SYSTEM_H __FILE__
-
-static void arch_idle(void)
-{
-        /* nothing here yet */
-}
-
-#endif /* __ASM_ARCH_SYSTEM_H */
diff --git a/arch/arm/mach-sa1100/include/mach/system.h b/arch/arm/mach-sa1100/include/mach/system.h
deleted file mode 100644
index e17b208f76d4..000000000000
--- a/arch/arm/mach-sa1100/include/mach/system.h
+++ /dev/null
@@ -1,9 +0,0 @@
-/*
- * arch/arm/mach-sa1100/include/mach/system.h
- *
- * Copyright (c) 1999 Nicolas Pitre <nico@fluxnic.net>
- */
-static inline void arch_idle(void)
-{
-        cpu_do_idle();
-}
diff --git a/arch/arm/mach-shark/core.c b/arch/arm/mach-shark/core.c
index a851c254ad6c..6a2a7f2c2557 100644
--- a/arch/arm/mach-shark/core.c
+++ b/arch/arm/mach-shark/core.c
@@ -149,10 +149,16 @@ static struct sys_timer shark_timer = {
         .init           = shark_timer_init,
 };
 
+static void shark_init_early(void)
+{
+        disable_hlt();
+}
+
 MACHINE_START(SHARK, "Shark")
         /* Maintainer: Alexander Schulz */
         .atag_offset    = 0x3000,
         .map_io         = shark_map_io,
+        .init_early     = shark_init_early,
         .init_irq       = shark_init_irq,
         .timer          = &shark_timer,
         .dma_zone_size  = SZ_4M,
diff --git a/arch/arm/mach-shark/include/mach/system.h b/arch/arm/mach-shark/include/mach/system.h
deleted file mode 100644
index 1b2f2c5050a8..000000000000
--- a/arch/arm/mach-shark/include/mach/system.h
+++ /dev/null
@@ -1,13 +0,0 @@
-/*
- * arch/arm/mach-shark/include/mach/system.h
- *
- * by Alexander Schulz
- */
-#ifndef __ASM_ARCH_SYSTEM_H
-#define __ASM_ARCH_SYSTEM_H
-
-static inline void arch_idle(void)
-{
-}
-
-#endif
diff --git a/arch/arm/mach-shmobile/include/mach/system.h b/arch/arm/mach-shmobile/include/mach/system.h
index 956ac18ddbf9..3bbcb3fa0775 100644
--- a/arch/arm/mach-shmobile/include/mach/system.h
+++ b/arch/arm/mach-shmobile/include/mach/system.h
@@ -1,11 +1,6 @@
 #ifndef __ASM_ARCH_SYSTEM_H
 #define __ASM_ARCH_SYSTEM_H
 
-static inline void arch_idle(void)
-{
-        cpu_do_idle();
-}
-
 static inline void arch_reset(char mode, const char *cmd)
 {
         soft_restart(0);
diff --git a/arch/arm/mach-spear3xx/include/mach/system.h b/arch/arm/mach-spear3xx/include/mach/system.h
deleted file mode 100644
index 92cee6335c90..000000000000
--- a/arch/arm/mach-spear3xx/include/mach/system.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * arch/arm/mach-spear3xx/include/mach/system.h
- *
- * SPEAr3xx Machine family specific architecture functions
- *
- * Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#ifndef __MACH_SYSTEM_H
-#define __MACH_SYSTEM_H
-
-#include <plat/system.h>
-
-#endif /* __MACH_SYSTEM_H */
diff --git a/arch/arm/mach-spear3xx/spear300.c b/arch/arm/mach-spear3xx/spear300.c
index a5e46b4ade20..9da50e281e98 100644
--- a/arch/arm/mach-spear3xx/spear300.c
+++ b/arch/arm/mach-spear3xx/spear300.c
@@ -430,18 +430,8 @@ static struct pl061_platform_data gpio1_plat_data = {
         .irq_base       = SPEAR300_GPIO1_INT_BASE,
 };
 
-struct amba_device spear300_gpio1_device = {
-        .dev = {
-                .init_name = "gpio1",
-                .platform_data = &gpio1_plat_data,
-        },
-        .res = {
-                .start = SPEAR300_GPIO_BASE,
-                .end = SPEAR300_GPIO_BASE + SZ_4K - 1,
-                .flags = IORESOURCE_MEM,
-        },
-        .irq = {SPEAR300_VIRQ_GPIO1, NO_IRQ},
-};
+AMBA_APB_DEVICE(spear300_gpio1, "gpio1", 0, SPEAR300_GPIO_BASE,
+        {SPEAR300_VIRQ_GPIO1}, &gpio1_plat_data);
 
 /* spear300 routines */
 void __init spear300_init(struct pmx_mode *pmx_mode, struct pmx_dev **pmx_devs,
diff --git a/arch/arm/mach-spear3xx/spear3xx.c b/arch/arm/mach-spear3xx/spear3xx.c
index 10af45da86a0..b1733c37f209 100644
--- a/arch/arm/mach-spear3xx/spear3xx.c
+++ b/arch/arm/mach-spear3xx/spear3xx.c
@@ -28,31 +28,12 @@ static struct pl061_platform_data gpio_plat_data = {
         .irq_base       = SPEAR3XX_GPIO_INT_BASE,
 };
 
-struct amba_device spear3xx_gpio_device = {
-        .dev = {
-                .init_name = "gpio",
-                .platform_data = &gpio_plat_data,
-        },
-        .res = {
-                .start = SPEAR3XX_ICM3_GPIO_BASE,
-                .end = SPEAR3XX_ICM3_GPIO_BASE + SZ_4K - 1,
-                .flags = IORESOURCE_MEM,
-        },
-        .irq = {SPEAR3XX_IRQ_BASIC_GPIO, NO_IRQ},
-};
+AMBA_APB_DEVICE(spear3xx_gpio, "gpio", 0, SPEAR3XX_ICM3_GPIO_BASE,
+        {SPEAR3XX_IRQ_BASIC_GPIO}, &gpio_plat_data);
 
 /* uart device registration */
-struct amba_device spear3xx_uart_device = {
-        .dev = {
-                .init_name = "uart",
-        },
-        .res = {
-                .start = SPEAR3XX_ICM1_UART_BASE,
-                .end = SPEAR3XX_ICM1_UART_BASE + SZ_4K - 1,
-                .flags = IORESOURCE_MEM,
-        },
-        .irq = {SPEAR3XX_IRQ_UART, NO_IRQ},
-};
+AMBA_APB_DEVICE(spear3xx_uart, "uart", 0, SPEAR3XX_ICM1_UART_BASE,
+        {SPEAR3XX_IRQ_UART}, NULL);
 
 /* Do spear3xx familiy common initialization part here */
 void __init spear3xx_init(void)
diff --git a/arch/arm/mach-spear6xx/include/mach/system.h b/arch/arm/mach-spear6xx/include/mach/system.h
deleted file mode 100644
index 0b1d2be81cfb..000000000000
--- a/arch/arm/mach-spear6xx/include/mach/system.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * arch/arm/mach-spear6xx/include/mach/system.h
- *
- * SPEAr6xx Machine family specific architecture functions
- *
- * Copyright (C) 2009 ST Microelectronics
- * Rajeev Kumar<rajeev-dlh.kumar@st.com>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#ifndef __MACH_SYSTEM_H
-#define __MACH_SYSTEM_H
-
-#include <plat/system.h>
-
-#endif  /* __MACH_SYSTEM_H */
diff --git a/arch/arm/mach-spear6xx/spear6xx.c b/arch/arm/mach-spear6xx/spear6xx.c
index e0f6628c8b2c..b997b1b10ba0 100644
--- a/arch/arm/mach-spear6xx/spear6xx.c
+++ b/arch/arm/mach-spear6xx/spear6xx.c
@@ -34,7 +34,7 @@ struct amba_device uart_device[] = {
                         .end = SPEAR6XX_ICM1_UART0_BASE + SZ_4K - 1,
                         .flags = IORESOURCE_MEM,
                 },
-                .irq = {IRQ_UART_0, NO_IRQ},
+                .irq = {IRQ_UART_0},
         }, {
                 .dev = {
                         .init_name = "uart1",
@@ -44,7 +44,7 @@ struct amba_device uart_device[] = {
                         .end = SPEAR6XX_ICM1_UART1_BASE + SZ_4K - 1,
                         .flags = IORESOURCE_MEM,
                 },
-                .irq = {IRQ_UART_1, NO_IRQ},
+                .irq = {IRQ_UART_1},
         }
 };
 
@@ -73,7 +73,7 @@ struct amba_device gpio_device[] = {
                         .end = SPEAR6XX_CPU_GPIO_BASE + SZ_4K - 1,
                         .flags = IORESOURCE_MEM,
                 },
-                .irq = {IRQ_LOCAL_GPIO, NO_IRQ},
+                .irq = {IRQ_LOCAL_GPIO},
         }, {
                 .dev = {
                         .init_name = "gpio1",
@@ -84,7 +84,7 @@ struct amba_device gpio_device[] = {
                         .end = SPEAR6XX_ICM3_GPIO_BASE + SZ_4K - 1,
                         .flags = IORESOURCE_MEM,
                 },
-                .irq = {IRQ_BASIC_GPIO, NO_IRQ},
+                .irq = {IRQ_BASIC_GPIO},
         }, {
                 .dev = {
                         .init_name = "gpio2",
@@ -95,7 +95,7 @@ struct amba_device gpio_device[] = {
                         .end = SPEAR6XX_ICM2_GPIO_BASE + SZ_4K - 1,
                         .flags = IORESOURCE_MEM,
                 },
-                .irq = {IRQ_APPL_GPIO, NO_IRQ},
+                .irq = {IRQ_APPL_GPIO},
         }
 };
 
diff --git a/arch/arm/mach-tegra/board-dt-tegra20.c b/arch/arm/mach-tegra/board-dt-tegra20.c
index 7a95e0bc4aba..e20b419d5983 100644
--- a/arch/arm/mach-tegra/board-dt-tegra20.c
+++ b/arch/arm/mach-tegra/board-dt-tegra20.c
@@ -131,11 +131,7 @@ static void __init tegra_dt_init(void)
 }
 
 static const char *tegra20_dt_board_compat[] = {
-        "compulab,trimslice",
-        "nvidia,harmony",
-        "compal,paz00",
-        "nvidia,seaboard",
-        "nvidia,ventana",
+        "nvidia,tegra20",
         NULL
 };
 
diff --git a/arch/arm/mach-tegra/board-dt-tegra30.c b/arch/arm/mach-tegra/board-dt-tegra30.c
index 3c197e2440b7..6db4df28e6cd 100644
--- a/arch/arm/mach-tegra/board-dt-tegra30.c
+++ b/arch/arm/mach-tegra/board-dt-tegra30.c
@@ -47,7 +47,7 @@ static void __init tegra30_dt_init(void)
 }
 
 static const char *tegra30_dt_board_compat[] = {
-        "nvidia,cardhu",
+        "nvidia,tegra30",
         NULL
 };
 
diff --git a/arch/arm/mach-tegra/board-harmony-power.c b/arch/arm/mach-tegra/board-harmony-power.c
index 21d1285731b3..c0298b3f7d63 100644
--- a/arch/arm/mach-tegra/board-harmony-power.c
+++ b/arch/arm/mach-tegra/board-harmony-power.c
@@ -36,13 +36,14 @@ static struct regulator_consumer_supply tps658621_ldo0_supply[] = {
 
 static struct regulator_init_data ldo0_data = {
         .constraints = {
-                .min_uV = 1250 * 1000,
+                .min_uV = 3300 * 1000,
                 .max_uV = 3300 * 1000,
                 .valid_modes_mask = (REGULATOR_MODE_NORMAL |
                                      REGULATOR_MODE_STANDBY),
                 .valid_ops_mask = (REGULATOR_CHANGE_MODE |
                                    REGULATOR_CHANGE_STATUS |
                                    REGULATOR_CHANGE_VOLTAGE),
+                .apply_uV = 1,
         },
         .num_consumer_supplies = ARRAY_SIZE(tps658621_ldo0_supply),
         .consumer_supplies = tps658621_ldo0_supply,
diff --git a/arch/arm/mach-tegra/common.c b/arch/arm/mach-tegra/common.c
index a2eb90169aed..2db20da1d585 100644
--- a/arch/arm/mach-tegra/common.c
+++ b/arch/arm/mach-tegra/common.c
@@ -27,7 +27,6 @@
 #include <asm/hardware/gic.h>
 
 #include <mach/iomap.h>
-#include <mach/system.h>
 
 #include "board.h"
 #include "clock.h"
@@ -96,6 +95,8 @@ static void __init tegra_init_cache(u32 tag_latency, u32 data_latency)
 #ifdef CONFIG_ARCH_TEGRA_2x_SOC
 void __init tegra20_init_early(void)
 {
+        disable_hlt();  /* idle WFI usage needs to be confirmed */
+
         tegra_init_fuse();
         tegra2_init_clocks();
         tegra_clk_init_from_table(tegra20_clk_init_table);
diff --git a/arch/arm/mach-tegra/include/mach/system.h b/arch/arm/mach-tegra/include/mach/system.h
deleted file mode 100644
index a312988bf6f8..000000000000
--- a/arch/arm/mach-tegra/include/mach/system.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * arch/arm/mach-tegra/include/mach/system.h
- *
- * Copyright (C) 2010 Google, Inc.
- *
- * Author:
- *      Colin Cross <ccross@google.com>
- *      Erik Gilling <konkers@google.com>
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- */
-
-#ifndef __MACH_TEGRA_SYSTEM_H
-#define __MACH_TEGRA_SYSTEM_H
-
-static inline void arch_idle(void)
-{
-}
-
-#endif
diff --git a/arch/arm/mach-u300/core.c b/arch/arm/mach-u300/core.c
index b4c6926a700c..b9865605da09 100644
--- a/arch/arm/mach-u300/core.c
+++ b/arch/arm/mach-u300/core.c
@@ -94,19 +94,9 @@ static struct amba_pl011_data uart0_plat_data = {
 #endif
 };
 
-static struct amba_device uart0_device = {
-        .dev = {
-                .coherent_dma_mask = ~0,
-                .init_name = "uart0", /* Slow device at 0x3000 offset */
-                .platform_data = &uart0_plat_data,
-        },
-        .res = {
-                .start = U300_UART0_BASE,
-                .end   = U300_UART0_BASE + SZ_4K - 1,
-                .flags = IORESOURCE_MEM,
-        },
-        .irq = { IRQ_U300_UART0, NO_IRQ },
-};
+/* Slow device at 0x3000 offset */
+static AMBA_APB_DEVICE(uart0, "uart0", 0, U300_UART0_BASE,
+        { IRQ_U300_UART0 }, &uart0_plat_data);
 
 /* The U335 have an additional UART1 on the APP CPU */
 #ifdef CONFIG_MACH_U300_BS335
@@ -118,71 +108,28 @@ static struct amba_pl011_data uart1_plat_data = {
 #endif
 };
 
-static struct amba_device uart1_device = {
-        .dev = {
-                .coherent_dma_mask = ~0,
-                .init_name = "uart1", /* Fast device at 0x7000 offset */
-                .platform_data = &uart1_plat_data,
-        },
-        .res = {
-                .start = U300_UART1_BASE,
-                .end   = U300_UART1_BASE + SZ_4K - 1,
-                .flags = IORESOURCE_MEM,
-        },
-        .irq = { IRQ_U300_UART1, NO_IRQ },
-};
+/* Fast device at 0x7000 offset */
+static AMBA_APB_DEVICE(uart1, "uart1", 0, U300_UART1_BASE,
+        { IRQ_U300_UART1 }, &uart1_plat_data);
 #endif
 
-static struct amba_device pl172_device = {
-        .dev = {
-                .init_name = "pl172", /* AHB device at 0x4000 offset */
-                .platform_data = NULL,
-        },
-        .res = {
-                .start = U300_EMIF_CFG_BASE,
-                .end   = U300_EMIF_CFG_BASE + SZ_4K - 1,
-                .flags = IORESOURCE_MEM,
-        },
-};
+/* AHB device at 0x4000 offset */
+static AMBA_APB_DEVICE(pl172, "pl172", 0, U300_EMIF_CFG_BASE, { }, NULL);
 
 
 /*
  * Everything within this next ifdef deals with external devices connected to
  * the APP SPI bus.
  */
-static struct amba_device pl022_device = {
-        .dev = {
-                .coherent_dma_mask = ~0,
-                .init_name = "pl022", /* Fast device at 0x6000 offset */
-        },
-        .res = {
-                .start = U300_SPI_BASE,
-                .end   = U300_SPI_BASE + SZ_4K - 1,
-                .flags = IORESOURCE_MEM,
-        },
-        .irq = {IRQ_U300_SPI, NO_IRQ },
-        /*
-         * This device has a DMA channel but the Linux driver does not use
-         * it currently.
-         */
-};
+/* Fast device at 0x6000 offset */
+static AMBA_APB_DEVICE(pl022, "pl022", 0, U300_SPI_BASE,
+        { IRQ_U300_SPI }, NULL);
 
-static struct amba_device mmcsd_device = {
-        .dev = {
-                .init_name = "mmci", /* Fast device at 0x1000 offset */
-                .platform_data = NULL, /* Added later */
-        },
-        .res = {
-                .start = U300_MMCSD_BASE,
-                .end   = U300_MMCSD_BASE + SZ_4K - 1,
-                .flags = IORESOURCE_MEM,
-        },
-        .irq = {IRQ_U300_MMCSD_MCIINTR0, IRQ_U300_MMCSD_MCIINTR1 },
-        /*
-         * This device has a DMA channel but the Linux driver does not use
-         * it currently.
-         */
-};
+/* Fast device at 0x1000 offset */
+#define U300_MMCSD_IRQS { IRQ_U300_MMCSD_MCIINTR0, IRQ_U300_MMCSD_MCIINTR1 }
+
+static AMBA_APB_DEVICE(mmcsd, "mmci", 0, U300_MMCSD_BASE,
+        U300_MMCSD_IRQS, NULL);
 
 /*
  * The order of device declaration may be important, since some devices
diff --git a/arch/arm/mach-u300/include/mach/system.h b/arch/arm/mach-u300/include/mach/system.h
deleted file mode 100644
index 574d46e38290..000000000000
--- a/arch/arm/mach-u300/include/mach/system.h
+++ /dev/null
@@ -1,14 +0,0 @@
-/*
- *
- * arch/arm/mach-u300/include/mach/system.h
- *
- *
- * Copyright (C) 2007-2009 ST-Ericsson AB
- * License terms: GNU General Public License (GPL) version 2
- * System shutdown and reset functions.
- * Author: Linus Walleij <linus.walleij@stericsson.com>
- */
-static inline void arch_idle(void)
-{
-        cpu_do_idle();
-}
diff --git a/arch/arm/mach-ux500/devices-common.c b/arch/arm/mach-ux500/devices-common.c
index c563e5418d80..898a64517b09 100644
--- a/arch/arm/mach-ux500/devices-common.c
+++ b/arch/arm/mach-ux500/devices-common.c
@@ -26,29 +26,22 @@ dbx500_add_amba_device(const char *name, resource_size_t base,
         struct amba_device *dev;
         int ret;
 
-        dev = kzalloc(sizeof *dev, GFP_KERNEL);
+        dev = amba_device_alloc(name, base, SZ_4K);
         if (!dev)
                 return ERR_PTR(-ENOMEM);
 
-        dev->dev.init_name = name;
-
-        dev->res.start = base;
-        dev->res.end = base + SZ_4K - 1;
-        dev->res.flags = IORESOURCE_MEM;
-
         dev->dma_mask = DMA_BIT_MASK(32);
         dev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
 
         dev->irq[0] = irq;
-        dev->irq[1] = NO_IRQ;
 
         dev->periphid = periphid;
 
         dev->dev.platform_data = pdata;
 
-        ret = amba_device_register(dev, &iomem_resource);
+        ret = amba_device_add(dev, &iomem_resource);
         if (ret) {
-                kfree(dev);
+                amba_device_put(dev);
                 return ERR_PTR(ret);
         }
 
diff --git a/arch/arm/mach-ux500/include/mach/system.h b/arch/arm/mach-ux500/include/mach/system.h
deleted file mode 100644
index 258e5c919c24..000000000000
--- a/arch/arm/mach-ux500/include/mach/system.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * Copyright (C) 2009 ST-Ericsson.
- *
- * This file is licensed under  the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-#ifndef __ASM_ARCH_SYSTEM_H
-#define __ASM_ARCH_SYSTEM_H
-
-static inline void arch_idle(void)
-{
-        /*
-         * This should do all the clock switching
-         * and wait for interrupt tricks
-         */
-        cpu_do_idle();
-}
-
-#endif
diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c
index 02b7b9303f3b..4f352e45be0a 100644
--- a/arch/arm/mach-versatile/core.c
+++ b/arch/arm/mach-versatile/core.c
@@ -582,58 +582,58 @@ static struct pl022_ssp_controller ssp0_plat_data = {
         .num_chipselect = 1,
 };
 
-#define AACI_IRQ        { IRQ_AACI, NO_IRQ }
+#define AACI_IRQ        { IRQ_AACI }
 #define MMCI0_IRQ       { IRQ_MMCI0A,IRQ_SIC_MMCI0B }
-#define KMI0_IRQ        { IRQ_SIC_KMI0, NO_IRQ }
-#define KMI1_IRQ        { IRQ_SIC_KMI1, NO_IRQ }
+#define KMI0_IRQ        { IRQ_SIC_KMI0 }
+#define KMI1_IRQ        { IRQ_SIC_KMI1 }
 
 /*
  * These devices are connected directly to the multi-layer AHB switch
  */
-#define SMC_IRQ         { NO_IRQ, NO_IRQ }
-#define MPMC_IRQ        { NO_IRQ, NO_IRQ }
-#define CLCD_IRQ        { IRQ_CLCDINT, NO_IRQ }
-#define DMAC_IRQ        { IRQ_DMAINT, NO_IRQ }
+#define SMC_IRQ         { }
+#define MPMC_IRQ        { }
+#define CLCD_IRQ        { IRQ_CLCDINT }
+#define DMAC_IRQ        { IRQ_DMAINT }
 
 /*
  * These devices are connected via the core APB bridge
  */
-#define SCTL_IRQ        { NO_IRQ, NO_IRQ }
-#define WATCHDOG_IRQ    { IRQ_WDOGINT, NO_IRQ }
-#define GPIO0_IRQ       { IRQ_GPIOINT0, NO_IRQ }
-#define GPIO1_IRQ       { IRQ_GPIOINT1, NO_IRQ }
-#define RTC_IRQ         { IRQ_RTCINT, NO_IRQ }
+#define SCTL_IRQ        { }
+#define WATCHDOG_IRQ    { IRQ_WDOGINT }
+#define GPIO0_IRQ       { IRQ_GPIOINT0 }
+#define GPIO1_IRQ       { IRQ_GPIOINT1 }
+#define RTC_IRQ         { IRQ_RTCINT }
 
 /*
  * These devices are connected via the DMA APB bridge
  */
-#define SCI_IRQ         { IRQ_SCIINT, NO_IRQ }
-#define UART0_IRQ       { IRQ_UARTINT0, NO_IRQ }
-#define UART1_IRQ       { IRQ_UARTINT1, NO_IRQ }
-#define UART2_IRQ       { IRQ_UARTINT2, NO_IRQ }
-#define SSP_IRQ         { IRQ_SSPINT, NO_IRQ }
+#define SCI_IRQ         { IRQ_SCIINT }
+#define UART0_IRQ       { IRQ_UARTINT0 }
+#define UART1_IRQ       { IRQ_UARTINT1 }
+#define UART2_IRQ       { IRQ_UARTINT2 }
+#define SSP_IRQ         { IRQ_SSPINT }
 
 /* FPGA Primecells */
-AMBA_DEVICE(aaci,  "fpga:04", AACI,     NULL);
-AMBA_DEVICE(mmc0,  "fpga:05", MMCI0,    &mmc0_plat_data);
-AMBA_DEVICE(kmi0,  "fpga:06", KMI0,     NULL);
-AMBA_DEVICE(kmi1,  "fpga:07", KMI1,     NULL);
+APB_DEVICE(aaci,  "fpga:04", AACI,     NULL);
+APB_DEVICE(mmc0,  "fpga:05", MMCI0,    &mmc0_plat_data);
+APB_DEVICE(kmi0,  "fpga:06", KMI0,     NULL);
+APB_DEVICE(kmi1,  "fpga:07", KMI1,     NULL);
 
 /* DevChip Primecells */
-AMBA_DEVICE(smc,   "dev:00",  SMC,      NULL);
-AMBA_DEVICE(mpmc,  "dev:10",  MPMC,     NULL);
-AMBA_DEVICE(clcd,  "dev:20",  CLCD,     &clcd_plat_data);
-AMBA_DEVICE(dmac,  "dev:30",  DMAC,     NULL);
-AMBA_DEVICE(sctl,  "dev:e0",  SCTL,     NULL);
-AMBA_DEVICE(wdog,  "dev:e1",  WATCHDOG, NULL);
-AMBA_DEVICE(gpio0, "dev:e4",  GPIO0,    &gpio0_plat_data);
-AMBA_DEVICE(gpio1, "dev:e5",  GPIO1,    &gpio1_plat_data);
-AMBA_DEVICE(rtc,   "dev:e8",  RTC,      NULL);
-AMBA_DEVICE(sci0,  "dev:f0",  SCI,      NULL);
-AMBA_DEVICE(uart0, "dev:f1",  UART0,    NULL);
-AMBA_DEVICE(uart1, "dev:f2",  UART1,    NULL);
-AMBA_DEVICE(uart2, "dev:f3",  UART2,    NULL);
-AMBA_DEVICE(ssp0,  "dev:f4",  SSP,      &ssp0_plat_data);
+AHB_DEVICE(smc,   "dev:00",  SMC,      NULL);
+AHB_DEVICE(mpmc,  "dev:10",  MPMC,     NULL);
+AHB_DEVICE(clcd,  "dev:20",  CLCD,     &clcd_plat_data);
+AHB_DEVICE(dmac,  "dev:30",  DMAC,     NULL);
+APB_DEVICE(sctl,  "dev:e0",  SCTL,     NULL);
+APB_DEVICE(wdog,  "dev:e1",  WATCHDOG, NULL);
+APB_DEVICE(gpio0, "dev:e4",  GPIO0,    &gpio0_plat_data);
+APB_DEVICE(gpio1, "dev:e5",  GPIO1,    &gpio1_plat_data);
+APB_DEVICE(rtc,   "dev:e8",  RTC,      NULL);
+APB_DEVICE(sci0,  "dev:f0",  SCI,      NULL);
+APB_DEVICE(uart0, "dev:f1",  UART0,    NULL);
+APB_DEVICE(uart1, "dev:f2",  UART1,    NULL);
+APB_DEVICE(uart2, "dev:f3",  UART2,    NULL);
+APB_DEVICE(ssp0,  "dev:f4",  SSP,      &ssp0_plat_data);
 
 static struct amba_device *amba_devs[] __initdata = {
         &dmac_device,
diff --git a/arch/arm/mach-versatile/core.h b/arch/arm/mach-versatile/core.h
index 2ef2f555f315..683e60776a85 100644
--- a/arch/arm/mach-versatile/core.h
+++ b/arch/arm/mach-versatile/core.h
@@ -36,20 +36,10 @@ extern unsigned int mmc_status(struct device *dev);
 extern struct of_dev_auxdata versatile_auxdata_lookup[];
 #endif
 
-#define AMBA_DEVICE(name,busid,base,plat)                       \
-static struct amba_device name##_device = {                     \
-        .dev            = {                                     \
-                .coherent_dma_mask = ~0,                        \
-                .init_name = busid,                             \
-                .platform_data = plat,                          \
-        },                                                      \
-        .res            = {                                     \
-                .start  = VERSATILE_##base##_BASE,              \
-                .end    = (VERSATILE_##base##_BASE) + SZ_4K - 1,\
-                .flags  = IORESOURCE_MEM,                       \
-        },                                                      \
-        .dma_mask       = ~0,                                   \
-        .irq            = base##_IRQ,                           \
-}
+#define APB_DEVICE(name, busid, base, plat)     \
+static AMBA_APB_DEVICE(name, busid, 0, VERSATILE_##base##_BASE, base##_IRQ, plat)
+
+#define AHB_DEVICE(name, busid, base, plat)     \
+static AMBA_AHB_DEVICE(name, busid, 0, VERSATILE_##base##_BASE, base##_IRQ, plat)
 
 #endif
diff --git a/arch/arm/mach-versatile/include/mach/system.h b/arch/arm/mach-versatile/include/mach/system.h
deleted file mode 100644
index f3fa347895f0..000000000000
--- a/arch/arm/mach-versatile/include/mach/system.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- *  arch/arm/mach-versatile/include/mach/system.h
- *
- *  Copyright (C) 2003 ARM Limited
- *  Copyright (C) 2000 Deep Blue Solutions Ltd
- *
- * 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
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-#ifndef __ASM_ARCH_SYSTEM_H
-#define __ASM_ARCH_SYSTEM_H
-
-static inline void arch_idle(void)
-{
-        /*
-         * This should do all the clock switching
-         * and wait for interrupt tricks
-         */
-        cpu_do_idle();
-}
-
-#endif
diff --git a/arch/arm/mach-versatile/versatile_pb.c b/arch/arm/mach-versatile/versatile_pb.c
index 9581c197500c..19738331bd3d 100644
--- a/arch/arm/mach-versatile/versatile_pb.c
+++ b/arch/arm/mach-versatile/versatile_pb.c
@@ -58,28 +58,28 @@ static struct pl061_platform_data gpio3_plat_data = {
         .irq_base       = IRQ_GPIO3_START,
 };
 
-#define UART3_IRQ       { IRQ_SIC_UART3, NO_IRQ }
-#define SCI1_IRQ        { IRQ_SIC_SCI3, NO_IRQ }
+#define UART3_IRQ       { IRQ_SIC_UART3 }
+#define SCI1_IRQ        { IRQ_SIC_SCI3 }
 #define MMCI1_IRQ       { IRQ_MMCI1A, IRQ_SIC_MMCI1B }
 
 /*
  * These devices are connected via the core APB bridge
  */
-#define GPIO2_IRQ       { IRQ_GPIOINT2, NO_IRQ }
-#define GPIO3_IRQ       { IRQ_GPIOINT3, NO_IRQ }
+#define GPIO2_IRQ       { IRQ_GPIOINT2 }
+#define GPIO3_IRQ       { IRQ_GPIOINT3 }
 
 /*
  * These devices are connected via the DMA APB bridge
  */
 
 /* FPGA Primecells */
-AMBA_DEVICE(uart3, "fpga:09", UART3,    NULL);
-AMBA_DEVICE(sci1,  "fpga:0a", SCI1,     NULL);
-AMBA_DEVICE(mmc1,  "fpga:0b", MMCI1,    &mmc1_plat_data);
+APB_DEVICE(uart3, "fpga:09", UART3,    NULL);
+APB_DEVICE(sci1,  "fpga:0a", SCI1,     NULL);
+APB_DEVICE(mmc1,  "fpga:0b", MMCI1,    &mmc1_plat_data);
 
 /* DevChip Primecells */
-AMBA_DEVICE(gpio2, "dev:e6",  GPIO2,    &gpio2_plat_data);
-AMBA_DEVICE(gpio3, "dev:e7",  GPIO3,    &gpio3_plat_data);
+APB_DEVICE(gpio2, "dev:e6",  GPIO2,    &gpio2_plat_data);
+APB_DEVICE(gpio3, "dev:e7",  GPIO3,    &gpio3_plat_data);
 
 static struct amba_device *amba_devs[] __initdata = {
         &uart3_device,
diff --git a/arch/arm/mach-vexpress/core.h b/arch/arm/mach-vexpress/core.h
index f4397159c173..9f0f2827c711 100644
--- a/arch/arm/mach-vexpress/core.h
+++ b/arch/arm/mach-vexpress/core.h
@@ -1,19 +1,2 @@
 #define __MMIO_P2V(x)   (((x) & 0xfffff) | (((x) & 0x0f000000) >> 4) | 0xf8000000)
 #define MMIO_P2V(x)     ((void __iomem *)__MMIO_P2V(x))
-
-#define AMBA_DEVICE(name,busid,base,plat)       \
-struct amba_device name##_device = {            \
-        .dev            = {                     \
-                .coherent_dma_mask = ~0UL,      \
-                .init_name = busid,             \
-                .platform_data = plat,          \
-        },                                      \
-        .res            = {                     \
-                .start  = base,                 \
-                .end    = base + SZ_4K - 1,     \
-                .flags  = IORESOURCE_MEM,       \
-        },                                      \
-        .dma_mask       = ~0UL,                 \
-        .irq            = IRQ_##base,           \
-        /* .dma         = DMA_##base,*/         \
-}
diff --git a/arch/arm/mach-vexpress/ct-ca9x4.c b/arch/arm/mach-vexpress/ct-ca9x4.c
index b1e87c184e54..1b1d2e4892b9 100644
--- a/arch/arm/mach-vexpress/ct-ca9x4.c
+++ b/arch/arm/mach-vexpress/ct-ca9x4.c
@@ -109,10 +109,10 @@ static struct clcd_board ct_ca9x4_clcd_data = {
         .remove         = versatile_clcd_remove_dma,
 };
 
-static AMBA_DEVICE(clcd, "ct:clcd", CT_CA9X4_CLCDC, &ct_ca9x4_clcd_data);
-static AMBA_DEVICE(dmc, "ct:dmc", CT_CA9X4_DMC, NULL);
-static AMBA_DEVICE(smc, "ct:smc", CT_CA9X4_SMC, NULL);
-static AMBA_DEVICE(gpio, "ct:gpio", CT_CA9X4_GPIO, NULL);
+static AMBA_AHB_DEVICE(clcd, "ct:clcd", 0, CT_CA9X4_CLCDC, IRQ_CT_CA9X4_CLCDC, &ct_ca9x4_clcd_data);
+static AMBA_APB_DEVICE(dmc, "ct:dmc", 0, CT_CA9X4_DMC, IRQ_CT_CA9X4_DMC, NULL);
+static AMBA_APB_DEVICE(smc, "ct:smc", 0, CT_CA9X4_SMC, IRQ_CT_CA9X4_SMC, NULL);
+static AMBA_APB_DEVICE(gpio, "ct:gpio", 0, CT_CA9X4_GPIO, IRQ_CT_CA9X4_GPIO, NULL);
 
 static struct amba_device *ct_ca9x4_amba_devs[] __initdata = {
         &clcd_device,
diff --git a/arch/arm/mach-vexpress/include/mach/ct-ca9x4.h b/arch/arm/mach-vexpress/include/mach/ct-ca9x4.h
index a34d3d4faae1..a40468f3b938 100644
--- a/arch/arm/mach-vexpress/include/mach/ct-ca9x4.h
+++ b/arch/arm/mach-vexpress/include/mach/ct-ca9x4.h
@@ -35,7 +35,7 @@
  * Interrupts.  Those in {} are for AMBA devices
  */
 #define IRQ_CT_CA9X4_CLCDC      { 76 }
-#define IRQ_CT_CA9X4_DMC        { -1 }
+#define IRQ_CT_CA9X4_DMC        { 0 }
 #define IRQ_CT_CA9X4_SMC        { 77, 78 }
 #define IRQ_CT_CA9X4_TIMER0     80
 #define IRQ_CT_CA9X4_TIMER1     81
diff --git a/arch/arm/mach-vexpress/include/mach/system.h b/arch/arm/mach-vexpress/include/mach/system.h
deleted file mode 100644
index f653a8e265bd..000000000000
--- a/arch/arm/mach-vexpress/include/mach/system.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- *  arch/arm/mach-vexpress/include/mach/system.h
- *
- *  Copyright (C) 2003 ARM Limited
- *  Copyright (C) 2000 Deep Blue Solutions Ltd
- *
- * 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
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-#ifndef __ASM_ARCH_SYSTEM_H
-#define __ASM_ARCH_SYSTEM_H
-
-static inline void arch_idle(void)
-{
-        /*
-         * This should do all the clock switching
-         * and wait for interrupt tricks
-         */
-        cpu_do_idle();
-}
-
-#endif
diff --git a/arch/arm/mach-vexpress/v2m.c b/arch/arm/mach-vexpress/v2m.c
index b4a28ca0e50a..ad64f97a2003 100644
--- a/arch/arm/mach-vexpress/v2m.c
+++ b/arch/arm/mach-vexpress/v2m.c
@@ -266,16 +266,16 @@ static struct mmci_platform_data v2m_mmci_data = {
         .status         = v2m_mmci_status,
 };
 
-static AMBA_DEVICE(aaci,  "mb:aaci",  V2M_AACI, NULL);
-static AMBA_DEVICE(mmci,  "mb:mmci",  V2M_MMCI, &v2m_mmci_data);
-static AMBA_DEVICE(kmi0,  "mb:kmi0",  V2M_KMI0, NULL);
-static AMBA_DEVICE(kmi1,  "mb:kmi1",  V2M_KMI1, NULL);
-static AMBA_DEVICE(uart0, "mb:uart0", V2M_UART0, NULL);
-static AMBA_DEVICE(uart1, "mb:uart1", V2M_UART1, NULL);
-static AMBA_DEVICE(uart2, "mb:uart2", V2M_UART2, NULL);
-static AMBA_DEVICE(uart3, "mb:uart3", V2M_UART3, NULL);
-static AMBA_DEVICE(wdt,   "mb:wdt",   V2M_WDT, NULL);
-static AMBA_DEVICE(rtc,   "mb:rtc",   V2M_RTC, NULL);
+static AMBA_APB_DEVICE(aaci,  "mb:aaci",  0, V2M_AACI, IRQ_V2M_AACI, NULL);
+static AMBA_APB_DEVICE(mmci,  "mb:mmci",  0, V2M_MMCI, IRQ_V2M_MMCI, &v2m_mmci_data);
+static AMBA_APB_DEVICE(kmi0,  "mb:kmi0",  0, V2M_KMI0, IRQ_V2M_KMI0, NULL);
+static AMBA_APB_DEVICE(kmi1,  "mb:kmi1",  0, V2M_KMI1, IRQ_V2M_KMI1, NULL);
+static AMBA_APB_DEVICE(uart0, "mb:uart0", 0, V2M_UART0, IRQ_V2M_UART0, NULL);
+static AMBA_APB_DEVICE(uart1, "mb:uart1", 0, V2M_UART1, IRQ_V2M_UART1, NULL);
+static AMBA_APB_DEVICE(uart2, "mb:uart2", 0, V2M_UART2, IRQ_V2M_UART2, NULL);
+static AMBA_APB_DEVICE(uart3, "mb:uart3", 0, V2M_UART3, IRQ_V2M_UART3, NULL);
+static AMBA_APB_DEVICE(wdt,   "mb:wdt",   0, V2M_WDT, IRQ_V2M_WDT, NULL);
+static AMBA_APB_DEVICE(rtc,   "mb:rtc",   0, V2M_RTC, IRQ_V2M_RTC, NULL);
 
 static struct amba_device *v2m_amba_devs[] __initdata = {
         &aaci_device,
diff --git a/arch/arm/mach-vt8500/include/mach/system.h b/arch/arm/mach-vt8500/include/mach/system.h
index d6c757eaf26b..58fa8010ee61 100644
--- a/arch/arm/mach-vt8500/include/mach/system.h
+++ b/arch/arm/mach-vt8500/include/mach/system.h
@@ -7,11 +7,6 @@
 /* PM Software Reset request register */
 #define VT8500_PMSR_VIRT        0xf8130060
 
-static inline void arch_idle(void)
-{
-        cpu_do_idle();
-}
-
 static inline void arch_reset(char mode, const char *cmd)
 {
         writel(1, VT8500_PMSR_VIRT);
diff --git a/arch/arm/mach-w90x900/dev.c b/arch/arm/mach-w90x900/dev.c
index 78110befb7a9..db82568a998a 100644
--- a/arch/arm/mach-w90x900/dev.c
+++ b/arch/arm/mach-w90x900/dev.c
@@ -530,6 +530,7 @@ static struct platform_device *nuc900_public_dev[] __initdata = {
 
 void __init nuc900_board_init(struct platform_device **device, int size)
 {
+        disable_hlt();
         platform_add_devices(device, size);
         platform_add_devices(nuc900_public_dev, ARRAY_SIZE(nuc900_public_dev));
         spi_register_board_info(nuc900_spi_board_info,
diff --git a/arch/arm/mach-w90x900/include/mach/system.h b/arch/arm/mach-w90x900/include/mach/system.h
deleted file mode 100644
index 2aaeb9311619..000000000000
--- a/arch/arm/mach-w90x900/include/mach/system.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * arch/arm/mach-w90x900/include/mach/system.h
- *
- * Copyright (c) 2008 Nuvoton technology corporation
- * All rights reserved.
- *
- * Wan ZongShun <mcuos.com@gmail.com>
- *
- * Based on arch/arm/mach-s3c2410/include/mach/system.h
- *
- * 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
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- */
-static void arch_idle(void)
-{
-}
diff --git a/arch/arm/mach-zynq/include/mach/system.h b/arch/arm/mach-zynq/include/mach/system.h
deleted file mode 100644
index 8e88e0b8d2ba..000000000000
--- a/arch/arm/mach-zynq/include/mach/system.h
+++ /dev/null
@@ -1,23 +0,0 @@
-/* arch/arm/mach-zynq/include/mach/system.h
- *
- *  Copyright (C) 2011 Xilinx
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#ifndef __MACH_SYSTEM_H__
-#define __MACH_SYSTEM_H__
-
-static inline void arch_idle(void)
-{
-        cpu_do_idle();
-}
-
-#endif
diff --git a/arch/arm/plat-mxc/include/mach/system.h b/arch/arm/plat-mxc/include/mach/system.h
deleted file mode 100644
index 13ad0df2e860..000000000000
--- a/arch/arm/plat-mxc/include/mach/system.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- *  Copyright (C) 1999 ARM Limited
- *  Copyright (C) 2000 Deep Blue Solutions Ltd
- *  Copyright 2004-2008 Freescale Semiconductor, Inc. All Rights Reserved.
- *
- * 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
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#ifndef __ASM_ARCH_MXC_SYSTEM_H__
-#define __ASM_ARCH_MXC_SYSTEM_H__
-
-static inline void arch_idle(void)
-{
-        cpu_do_idle();
-}
-
-#endif /* __ASM_ARCH_MXC_SYSTEM_H__ */
diff --git a/arch/arm/plat-omap/include/plat/system.h b/arch/arm/plat-omap/include/plat/system.h
deleted file mode 100644
index 8e5ebd74b129..000000000000
--- a/arch/arm/plat-omap/include/plat/system.h
+++ /dev/null
@@ -1,15 +0,0 @@
-/*
- * Copied from arch/arm/mach-sa1100/include/mach/system.h
- * Copyright (c) 1999 Nicolas Pitre <nico@fluxnic.net>
- */
-#ifndef __ASM_ARCH_SYSTEM_H
-#define __ASM_ARCH_SYSTEM_H
-
-#include <asm/proc-fns.h>
-
-static inline void arch_idle(void)
-{
-        cpu_do_idle();
-}
-
-#endif
diff --git a/arch/arm/plat-s3c24xx/cpu.c b/arch/arm/plat-s3c24xx/cpu.c
index 21f1fda8b661..32a09931350c 100644
--- a/arch/arm/plat-s3c24xx/cpu.c
+++ b/arch/arm/plat-s3c24xx/cpu.c
@@ -32,6 +32,7 @@
 #include <linux/io.h>
 
 #include <mach/hardware.h>
+#include <mach/regs-clock.h>
 #include <asm/irq.h>
 #include <asm/cacheflush.h>
 
@@ -190,8 +191,34 @@ static unsigned long s3c24xx_read_idcode_v4(void)
         return __raw_readl(S3C2410_GSTATUS1);
 }
 
+static void s3c24xx_default_idle(void)
+{
+        unsigned long tmp;
+        int i;
+
+        /* idle the system by using the idle mode which will wait for an
+         * interrupt to happen before restarting the system.
+         */
+
+        /* Warning: going into idle state upsets jtag scanning */
+
+        __raw_writel(__raw_readl(S3C2410_CLKCON) | S3C2410_CLKCON_IDLE,
+                     S3C2410_CLKCON);
+
+        /* the samsung port seems to do a loop and then unset idle.. */
+        for (i = 0; i < 50; i++)
+                tmp += __raw_readl(S3C2410_CLKCON); /* ensure loop not optimised out */
+
+        /* this bit is not cleared on re-start... */
+
+        __raw_writel(__raw_readl(S3C2410_CLKCON) & ~S3C2410_CLKCON_IDLE,
+                     S3C2410_CLKCON);
+}
+
 void __init s3c24xx_init_io(struct map_desc *mach_desc, int size)
 {
+        arm_pm_idle = s3c24xx_default_idle;
+
         /* initialise the io descriptors we need for initialisation */
         iotable_init(mach_desc, size);
         iotable_init(s3c_iodesc, ARRAY_SIZE(s3c_iodesc));
diff --git a/arch/arm/plat-spear/include/plat/system.h b/arch/arm/plat-spear/include/plat/system.h
deleted file mode 100644
index 86c6f83b44cc..000000000000
--- a/arch/arm/plat-spear/include/plat/system.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * arch/arm/plat-spear/include/plat/system.h
- *
- * SPEAr platform specific architecture functions
- *
- * Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#ifndef __PLAT_SYSTEM_H
-#define __PLAT_SYSTEM_H
-
-static inline void arch_idle(void)
-{
-        /*
-         * This should do all the clock switching
-         * and wait for interrupt tricks
-         */
-        cpu_do_idle();
-}
-
-#endif /* __PLAT_SYSTEM_H */
diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c
index 54eaf96ab217..01c2cf4efcdd 100644
--- a/drivers/amba/bus.c
+++ b/drivers/amba/bus.c
@@ -497,37 +497,22 @@ static void amba_device_release(struct device *dev)
 }
 
 /**
- *      amba_device_register - register an AMBA device
- *      @dev: AMBA device to register
- *      @parent: parent memory resource
+ *      amba_device_add - add a previously allocated AMBA device structure
+ *      @dev: AMBA device allocated by amba_device_alloc
+ *      @parent: resource parent for this devices resources
  *
- *      Setup the AMBA device, reading the cell ID if present.
- *      Claim the resource, and register the AMBA device with
- *      the Linux device manager.
+ *      Claim the resource, and read the device cell ID if not already
+ *      initialized.  Register the AMBA device with the Linux device
+ *      manager.
  */
-int amba_device_register(struct amba_device *dev, struct resource *parent)
+int amba_device_add(struct amba_device *dev, struct resource *parent)
 {
         u32 size;
         void __iomem *tmp;
         int i, ret;
 
-        device_initialize(&dev->dev);
-
-        /*
-         * Copy from device_add
-         */
-        if (dev->dev.init_name) {
-                dev_set_name(&dev->dev, "%s", dev->dev.init_name);
-                dev->dev.init_name = NULL;
-        }
-
-        dev->dev.release = amba_device_release;
-        dev->dev.bus = &amba_bustype;
-        dev->dev.dma_mask = &dev->dma_mask;
-        dev->res.name = dev_name(&dev->dev);
-
-        if (!dev->dev.coherent_dma_mask && dev->dma_mask)
-                dev_warn(&dev->dev, "coherent dma mask is unset\n");
+        WARN_ON(dev->irq[0] == (unsigned int)-1);
+        WARN_ON(dev->irq[1] == (unsigned int)-1);
 
         ret = request_resource(parent, &dev->res);
         if (ret)
@@ -582,9 +567,9 @@ int amba_device_register(struct amba_device *dev, struct resource *parent)
         if (ret)
                 goto err_release;
 
-        if (dev->irq[0] != NO_IRQ)
+        if (dev->irq[0] && dev->irq[0] != NO_IRQ)
                 ret = device_create_file(&dev->dev, &dev_attr_irq0);
-        if (ret == 0 && dev->irq[1] != NO_IRQ)
+        if (ret == 0 && dev->irq[1] && dev->irq[1] != NO_IRQ)
                 ret = device_create_file(&dev->dev, &dev_attr_irq1);
         if (ret == 0)
                 return ret;
@@ -596,6 +581,74 @@ int amba_device_register(struct amba_device *dev, struct resource *parent)
  err_out:
         return ret;
 }
+EXPORT_SYMBOL_GPL(amba_device_add);
+
+static void amba_device_initialize(struct amba_device *dev, const char *name)
+{
+        device_initialize(&dev->dev);
+        if (name)
+                dev_set_name(&dev->dev, "%s", name);
+        dev->dev.release = amba_device_release;
+        dev->dev.bus = &amba_bustype;
+        dev->dev.dma_mask = &dev->dma_mask;
+        dev->res.name = dev_name(&dev->dev);
+}
+
+/**
+ *      amba_device_alloc - allocate an AMBA device
+ *      @name: sysfs name of the AMBA device
+ *      @base: base of AMBA device
+ *      @size: size of AMBA device
+ *
+ *      Allocate and initialize an AMBA device structure.  Returns %NULL
+ *      on failure.
+ */
+struct amba_device *amba_device_alloc(const char *name, resource_size_t base,
+        size_t size)
+{
+        struct amba_device *dev;
+
+        dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+        if (dev) {
+                amba_device_initialize(dev, name);
+                dev->res.start = base;
+                dev->res.end = base + size - 1;
+                dev->res.flags = IORESOURCE_MEM;
+        }
+
+        return dev;
+}
+EXPORT_SYMBOL_GPL(amba_device_alloc);
+
+/**
+ *      amba_device_register - register an AMBA device
+ *      @dev: AMBA device to register
+ *      @parent: parent memory resource
+ *
+ *      Setup the AMBA device, reading the cell ID if present.
+ *      Claim the resource, and register the AMBA device with
+ *      the Linux device manager.
+ */
+int amba_device_register(struct amba_device *dev, struct resource *parent)
+{
+        amba_device_initialize(dev, dev->dev.init_name);
+        dev->dev.init_name = NULL;
+
+        if (!dev->dev.coherent_dma_mask && dev->dma_mask)
+                dev_warn(&dev->dev, "coherent dma mask is unset\n");
+
+        return amba_device_add(dev, parent);
+}
+
+/**
+ *      amba_device_put - put an AMBA device
+ *      @dev: AMBA device to put
+ */
+void amba_device_put(struct amba_device *dev)
+{
+        put_device(&dev->dev);
+}
+EXPORT_SYMBOL_GPL(amba_device_put);
 
 /**
  *      amba_device_unregister - unregister an AMBA device
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 0d955ffaf44e..304f2f98b680 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -1325,7 +1325,7 @@ static int __devinit mmci_probe(struct amba_device *dev,
         if (ret)
                 goto unmap;
 
-        if (dev->irq[1] == NO_IRQ)
+        if (dev->irq[1] == NO_IRQ || !dev->irq[1])
                 host->singleirq = true;
         else {
                 ret = request_irq(dev->irq[1], mmci_pio_irq, IRQF_SHARED,
diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index 63b3ec48c203..cae9477a6ed3 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -253,7 +253,7 @@ static struct amba_device *of_amba_device_create(struct device_node *node,
         if (!of_device_is_available(node))
                 return NULL;
 
-        dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+        dev = amba_device_alloc(NULL, 0, 0);
         if (!dev)
                 return NULL;
 
@@ -283,14 +283,14 @@ static struct amba_device *of_amba_device_create(struct device_node *node,
         if (ret)
                 goto err_free;
 
-        ret = amba_device_register(dev, &iomem_resource);
+        ret = amba_device_add(dev, &iomem_resource);
         if (ret)
                 goto err_free;
 
         return dev;
 
 err_free:
-        kfree(dev);
+        amba_device_put(dev);
         return NULL;
 }
 #else /* CONFIG_ARM_AMBA */
diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h
index 724c69c40bb8..a9fab831caf8 100644
--- a/include/linux/amba/bus.h
+++ b/include/linux/amba/bus.h
@@ -60,6 +60,9 @@ extern struct bus_type amba_bustype;
 
 int amba_driver_register(struct amba_driver *);
 void amba_driver_unregister(struct amba_driver *);
+struct amba_device *amba_device_alloc(const char *, resource_size_t, size_t);
+void amba_device_put(struct amba_device *);
+int amba_device_add(struct amba_device *, struct resource *);
 int amba_device_register(struct amba_device *, struct resource *);
 void amba_device_unregister(struct amba_device *);
 struct amba_device *amba_find_device(const char *, struct device *, unsigned int, unsigned int);
@@ -89,4 +92,37 @@ void amba_release_regions(struct amba_device *);
 #define amba_manf(d)    AMBA_MANF_BITS((d)->periphid)
 #define amba_part(d)    AMBA_PART_BITS((d)->periphid)
 
+#define __AMBA_DEV(busid, data, mask)                           \
+        {                                                       \
+                .coherent_dma_mask = mask,                      \
+                .init_name = busid,                             \
+                .platform_data = data,                          \
+        }
+
+/*
+ * APB devices do not themselves have the ability to address memory,
+ * so DMA masks should be zero (much like USB peripheral devices.)
+ * The DMA controller DMA masks should be used instead (much like
+ * USB host controllers in conventional PCs.)
+ */
+#define AMBA_APB_DEVICE(name, busid, id, base, irqs, data)      \
+struct amba_device name##_device = {                            \
+        .dev = __AMBA_DEV(busid, data, 0),                      \
+        .res = DEFINE_RES_MEM(base, SZ_4K),                     \
+        .irq = irqs,                                            \
+        .periphid = id,                                         \
+}
+
+/*
+ * AHB devices are DMA capable, so set their DMA masks
+ */
+#define AMBA_AHB_DEVICE(name, busid, id, base, irqs, data)      \
+struct amba_device name##_device = {                            \
+        .dev = __AMBA_DEV(busid, data, ~0ULL),                  \
+        .res = DEFINE_RES_MEM(base, SZ_4K),                     \
+        .dma_mask = ~0ULL,                                      \
+        .irq = irqs,                                            \
+        .periphid = id,                                         \
+}
+
 #endif