181 files changed, 4219 insertions, 3624 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 9124ff75fe53..7980873525b2 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -11,6 +11,7 @@ config ARM
         select RTC_LIB
         select SYS_SUPPORTS_APM_EMULATION
         select GENERIC_ATOMIC64 if (CPU_V6 || !CPU_32v6K || !AEABI)
+        select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
         select HAVE_OPROFILE if (HAVE_PERF_EVENTS)
         select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL
         select HAVE_ARCH_KGDB
@@ -38,6 +39,7 @@ config ARM
         select GENERIC_IRQ_PROBE
         select GENERIC_IRQ_SHOW
         select GENERIC_IRQ_PROBE
+        select ARCH_WANT_IPC_PARSE_VERSION
         select HARDIRQS_SW_RESEND
         select CPU_PM if (SUSPEND || CPU_IDLE)
         select GENERIC_PCI_IOMAP
@@ -45,6 +47,9 @@ config ARM
         select GENERIC_SMP_IDLE_THREAD
         select KTIME_SCALAR
         select GENERIC_CLOCKEVENTS_BROADCAST if SMP
+        select GENERIC_STRNCPY_FROM_USER
+        select GENERIC_STRNLEN_USER
+        select DCACHE_WORD_ACCESS if (CPU_V6 || CPU_V6K || CPU_V7) && !CPU_BIG_ENDIAN
         help
           The ARM series is a line of low-power-consumption RISC chip designs
           licensed by ARM Ltd and targeted at embedded applications and
@@ -1006,7 +1011,6 @@ config ARCH_VT8500
         select ARCH_HAS_CPUFREQ
         select GENERIC_CLOCKEVENTS
         select ARCH_REQUIRE_GPIOLIB
-        select HAVE_PWM
         help
           Support for VIA/WonderMedia VT8500/WM85xx System-on-Chip.
 
@@ -2004,6 +2008,25 @@ config ARM_ATAG_DTB_COMPAT
           bootloaders, this option allows zImage to extract the information
           from the ATAG list and store it at run time into the appended DTB.
 
+choice
+        prompt "Kernel command line type" if ARM_ATAG_DTB_COMPAT
+        default ARM_ATAG_DTB_COMPAT_CMDLINE_FROM_BOOTLOADER
+
+config ARM_ATAG_DTB_COMPAT_CMDLINE_FROM_BOOTLOADER
+        bool "Use bootloader kernel arguments if available"
+        help
+          Uses the command-line options passed by the boot loader instead of
+          the device tree bootargs property. If the boot loader doesn't provide
+          any, the device tree bootargs property will be used.
+
+config ARM_ATAG_DTB_COMPAT_CMDLINE_EXTEND
+        bool "Extend with bootloader kernel arguments"
+        help
+          The command-line arguments provided by the boot loader will be
+          appended to the the device tree bootargs property.
+
+endchoice
+
 config CMDLINE
         string "Default kernel command string"
         default ""
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index a03b5a7059e2..f15f82bf3a50 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -395,4 +395,13 @@ config ARM_KPROBES_TEST
         help
           Perform tests of kprobes API and instruction set simulation.
 
+config PID_IN_CONTEXTIDR
+        bool "Write the current PID to the CONTEXTIDR register"
+        depends on CPU_COPY_V6
+        help
+          Enabling this option causes the kernel to write the current PID to
+          the PROCID field of the CONTEXTIDR register, at the expense of some
+          additional instructions during context switch. Say Y here only if you
+          are planning to use hardware trace tools with this kernel.
+
 endmenu
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 4d6d31115cf2..30eae87ead6d 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -10,6 +10,9 @@
 #
 # Copyright (C) 1995-2001 by Russell King
 
+# Ensure linker flags are correct
+LDFLAGS         :=
+
 LDFLAGS_vmlinux :=-p --no-undefined -X
 ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
 LDFLAGS_vmlinux += --be8
diff --git a/arch/arm/boot/compressed/atags_to_fdt.c b/arch/arm/boot/compressed/atags_to_fdt.c
index 797f04bedb47..aabc02a68482 100644
--- a/arch/arm/boot/compressed/atags_to_fdt.c
+++ b/arch/arm/boot/compressed/atags_to_fdt.c
@@ -1,6 +1,12 @@
 #include <asm/setup.h>
 #include <libfdt.h>
 
+#if defined(CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_EXTEND)
+#define do_extend_cmdline 1
+#else
+#define do_extend_cmdline 0
+#endif
+
 static int node_offset(void *fdt, const char *node_path)
 {
         int offset = fdt_path_offset(fdt, node_path);
@@ -36,6 +42,48 @@ static int setprop_cell(void *fdt, const char *node_path,
         return fdt_setprop_cell(fdt, offset, property, val);
 }
 
+static const void *getprop(const void *fdt, const char *node_path,
+                           const char *property, int *len)
+{
+        int offset = fdt_path_offset(fdt, node_path);
+
+        if (offset == -FDT_ERR_NOTFOUND)
+                return NULL;
+
+        return fdt_getprop(fdt, offset, property, len);
+}
+
+static void merge_fdt_bootargs(void *fdt, const char *fdt_cmdline)
+{
+        char cmdline[COMMAND_LINE_SIZE];
+        const char *fdt_bootargs;
+        char *ptr = cmdline;
+        int len = 0;
+
+        /* copy the fdt command line into the buffer */
+        fdt_bootargs = getprop(fdt, "/chosen", "bootargs", &len);
+        if (fdt_bootargs)
+                if (len < COMMAND_LINE_SIZE) {
+                        memcpy(ptr, fdt_bootargs, len);
+                        /* len is the length of the string
+                         * including the NULL terminator */
+                        ptr += len - 1;
+                }
+
+        /* and append the ATAG_CMDLINE */
+        if (fdt_cmdline) {
+                len = strlen(fdt_cmdline);
+                if (ptr - cmdline + len + 2 < COMMAND_LINE_SIZE) {
+                        *ptr++ = ' ';
+                        memcpy(ptr, fdt_cmdline, len);
+                        ptr += len;
+                }
+        }
+        *ptr = '\0';
+
+        setprop_string(fdt, "/chosen", "bootargs", cmdline);
+}
+
 /*
  * Convert and fold provided ATAGs into the provided FDT.
  *
@@ -72,8 +120,18 @@ int atags_to_fdt(void *atag_list, void *fdt, int total_space)
 
         for_each_tag(atag, atag_list) {
                 if (atag->hdr.tag == ATAG_CMDLINE) {
-                        setprop_string(fdt, "/chosen", "bootargs",
-                                        atag->u.cmdline.cmdline);
+                        /* Append the ATAGS command line to the device tree
+                         * command line.
+                         * NB: This means that if the same parameter is set in
+                         * the device tree and in the tags, the one from the
+                         * tags will be chosen.
+                         */
+                        if (do_extend_cmdline)
+                                merge_fdt_bootargs(fdt,
+                                                   atag->u.cmdline.cmdline);
+                        else
+                                setprop_string(fdt, "/chosen", "bootargs",
+                                               atag->u.cmdline.cmdline);
                 } else if (atag->hdr.tag == ATAG_MEM) {
                         if (memcount >= sizeof(mem_reg_property)/4)
                                 continue;
diff --git a/arch/arm/boot/dts/highbank.dts b/arch/arm/boot/dts/highbank.dts
index 2e1cfa00c25b..9fecf1ae777b 100644
--- a/arch/arm/boot/dts/highbank.dts
+++ b/arch/arm/boot/dts/highbank.dts
@@ -130,6 +130,12 @@
                         clocks = <&eclk>;
                 };
 
+                memory-controller@fff00000 {
+                        compatible = "calxeda,hb-ddr-ctrl";
+                        reg = <0xfff00000 0x1000>;
+                        interrupts = <0 91 4>;
+                };
+
                 ipc@fff20000 {
                         compatible = "arm,pl320", "arm,primecell";
                         reg = <0xfff20000 0x1000>;
@@ -275,6 +281,12 @@
                         };
                 };
 
+                sregs@fff3c200 {
+                        compatible = "calxeda,hb-sregs-l2-ecc";
+                        reg = <0xfff3c200 0x100>;
+                        interrupts = <0 71 4  0 72 4>;
+                };
+
                 dma@fff3d000 {
                         compatible = "arm,pl330", "arm,primecell";
                         reg = <0xfff3d000 0x1000>;
diff --git a/arch/arm/boot/dts/imx28.dtsi b/arch/arm/boot/dts/imx28.dtsi
index 915db89e3644..787efac68da8 100644
--- a/arch/arm/boot/dts/imx28.dtsi
+++ b/arch/arm/boot/dts/imx28.dtsi
@@ -660,6 +660,7 @@
                                 compatible = "fsl,imx28-i2c";
                                 reg = <0x80058000 2000>;
                                 interrupts = <111 68>;
+                                clock-frequency = <100000>;
                                 status = "disabled";
                         };
 
@@ -669,6 +670,7 @@
                                 compatible = "fsl,imx28-i2c";
                                 reg = <0x8005a000 2000>;
                                 interrupts = <110 69>;
+                                clock-frequency = <100000>;
                                 status = "disabled";
                         };
 
diff --git a/arch/arm/boot/dts/imx51.dtsi b/arch/arm/boot/dts/imx51.dtsi
index 922adefdd291..53cbaa3d4f90 100644
--- a/arch/arm/boot/dts/imx51.dtsi
+++ b/arch/arm/boot/dts/imx51.dtsi
@@ -127,7 +127,7 @@
                         };
 
                         gpio1: gpio@73f84000 {
-                                compatible = "fsl,imx51-gpio", "fsl,imx31-gpio";
+                                compatible = "fsl,imx51-gpio", "fsl,imx35-gpio";
                                 reg = <0x73f84000 0x4000>;
                                 interrupts = <50 51>;
                                 gpio-controller;
@@ -137,7 +137,7 @@
                         };
 
                         gpio2: gpio@73f88000 {
-                                compatible = "fsl,imx51-gpio", "fsl,imx31-gpio";
+                                compatible = "fsl,imx51-gpio", "fsl,imx35-gpio";
                                 reg = <0x73f88000 0x4000>;
                                 interrupts = <52 53>;
                                 gpio-controller;
@@ -147,7 +147,7 @@
                         };
 
                         gpio3: gpio@73f8c000 {
-                                compatible = "fsl,imx51-gpio", "fsl,imx31-gpio";
+                                compatible = "fsl,imx51-gpio", "fsl,imx35-gpio";
                                 reg = <0x73f8c000 0x4000>;
                                 interrupts = <54 55>;
                                 gpio-controller;
@@ -157,7 +157,7 @@
                         };
 
                         gpio4: gpio@73f90000 {
-                                compatible = "fsl,imx51-gpio", "fsl,imx31-gpio";
+                                compatible = "fsl,imx51-gpio", "fsl,imx35-gpio";
                                 reg = <0x73f90000 0x4000>;
                                 interrupts = <56 57>;
                                 gpio-controller;
diff --git a/arch/arm/boot/dts/imx53.dtsi b/arch/arm/boot/dts/imx53.dtsi
index 4e735edc78ed..fc79cdc4b4e6 100644
--- a/arch/arm/boot/dts/imx53.dtsi
+++ b/arch/arm/boot/dts/imx53.dtsi
@@ -129,7 +129,7 @@
                         };
 
                         gpio1: gpio@53f84000 {
-                                compatible = "fsl,imx53-gpio", "fsl,imx31-gpio";
+                                compatible = "fsl,imx53-gpio", "fsl,imx35-gpio";
                                 reg = <0x53f84000 0x4000>;
                                 interrupts = <50 51>;
                                 gpio-controller;
@@ -139,7 +139,7 @@
                         };
 
                         gpio2: gpio@53f88000 {
-                                compatible = "fsl,imx53-gpio", "fsl,imx31-gpio";
+                                compatible = "fsl,imx53-gpio", "fsl,imx35-gpio";
                                 reg = <0x53f88000 0x4000>;
                                 interrupts = <52 53>;
                                 gpio-controller;
@@ -149,7 +149,7 @@
                         };
 
                         gpio3: gpio@53f8c000 {
-                                compatible = "fsl,imx53-gpio", "fsl,imx31-gpio";
+                                compatible = "fsl,imx53-gpio", "fsl,imx35-gpio";
                                 reg = <0x53f8c000 0x4000>;
                                 interrupts = <54 55>;
                                 gpio-controller;
@@ -159,7 +159,7 @@
                         };
 
                         gpio4: gpio@53f90000 {
-                                compatible = "fsl,imx53-gpio", "fsl,imx31-gpio";
+                                compatible = "fsl,imx53-gpio", "fsl,imx35-gpio";
                                 reg = <0x53f90000 0x4000>;
                                 interrupts = <56 57>;
                                 gpio-controller;
@@ -197,7 +197,7 @@
                         };
 
                         gpio5: gpio@53fdc000 {
-                                compatible = "fsl,imx53-gpio", "fsl,imx31-gpio";
+                                compatible = "fsl,imx53-gpio", "fsl,imx35-gpio";
                                 reg = <0x53fdc000 0x4000>;
                                 interrupts = <103 104>;
                                 gpio-controller;
@@ -207,7 +207,7 @@
                         };
 
                         gpio6: gpio@53fe0000 {
-                                compatible = "fsl,imx53-gpio", "fsl,imx31-gpio";
+                                compatible = "fsl,imx53-gpio", "fsl,imx35-gpio";
                                 reg = <0x53fe0000 0x4000>;
                                 interrupts = <105 106>;
                                 gpio-controller;
@@ -217,7 +217,7 @@
                         };
 
                         gpio7: gpio@53fe4000 {
-                                compatible = "fsl,imx53-gpio", "fsl,imx31-gpio";
+                                compatible = "fsl,imx53-gpio", "fsl,imx35-gpio";
                                 reg = <0x53fe4000 0x4000>;
                                 interrupts = <107 108>;
                                 gpio-controller;
diff --git a/arch/arm/boot/dts/imx6q.dtsi b/arch/arm/boot/dts/imx6q.dtsi
index c25d49584814..3d3c64b014e6 100644
--- a/arch/arm/boot/dts/imx6q.dtsi
+++ b/arch/arm/boot/dts/imx6q.dtsi
@@ -277,7 +277,7 @@
                         };
 
                         gpio1: gpio@0209c000 {
-                                compatible = "fsl,imx6q-gpio", "fsl,imx31-gpio";
+                                compatible = "fsl,imx6q-gpio", "fsl,imx35-gpio";
                                 reg = <0x0209c000 0x4000>;
                                 interrupts = <0 66 0x04 0 67 0x04>;
                                 gpio-controller;
@@ -287,7 +287,7 @@
                         };
 
                         gpio2: gpio@020a0000 {
-                                compatible = "fsl,imx6q-gpio", "fsl,imx31-gpio";
+                                compatible = "fsl,imx6q-gpio", "fsl,imx35-gpio";
                                 reg = <0x020a0000 0x4000>;
                                 interrupts = <0 68 0x04 0 69 0x04>;
                                 gpio-controller;
@@ -297,7 +297,7 @@
                         };
 
                         gpio3: gpio@020a4000 {
-                                compatible = "fsl,imx6q-gpio", "fsl,imx31-gpio";
+                                compatible = "fsl,imx6q-gpio", "fsl,imx35-gpio";
                                 reg = <0x020a4000 0x4000>;
                                 interrupts = <0 70 0x04 0 71 0x04>;
                                 gpio-controller;
@@ -307,7 +307,7 @@
                         };
 
                         gpio4: gpio@020a8000 {
-                                compatible = "fsl,imx6q-gpio", "fsl,imx31-gpio";
+                                compatible = "fsl,imx6q-gpio", "fsl,imx35-gpio";
                                 reg = <0x020a8000 0x4000>;
                                 interrupts = <0 72 0x04 0 73 0x04>;
                                 gpio-controller;
@@ -317,7 +317,7 @@
                         };
 
                         gpio5: gpio@020ac000 {
-                                compatible = "fsl,imx6q-gpio", "fsl,imx31-gpio";
+                                compatible = "fsl,imx6q-gpio", "fsl,imx35-gpio";
                                 reg = <0x020ac000 0x4000>;
                                 interrupts = <0 74 0x04 0 75 0x04>;
                                 gpio-controller;
@@ -327,7 +327,7 @@
                         };
 
                         gpio6: gpio@020b0000 {
-                                compatible = "fsl,imx6q-gpio", "fsl,imx31-gpio";
+                                compatible = "fsl,imx6q-gpio", "fsl,imx35-gpio";
                                 reg = <0x020b0000 0x4000>;
                                 interrupts = <0 76 0x04 0 77 0x04>;
                                 gpio-controller;
@@ -337,7 +337,7 @@
                         };
 
                         gpio7: gpio@020b4000 {
-                                compatible = "fsl,imx6q-gpio", "fsl,imx31-gpio";
+                                compatible = "fsl,imx6q-gpio", "fsl,imx35-gpio";
                                 reg = <0x020b4000 0x4000>;
                                 interrupts = <0 78 0x04 0 79 0x04>;
                                 gpio-controller;
diff --git a/arch/arm/boot/dts/r8a7740.dtsi b/arch/arm/boot/dts/r8a7740.dtsi
new file mode 100644
index 000000000000..798fa35c0005
--- /dev/null
+++ b/arch/arm/boot/dts/r8a7740.dtsi
@@ -0,0 +1,21 @@
+/*
+ * Device Tree Source for the r8a7740 SoC
+ *
+ * Copyright (C) 2012 Renesas Solutions Corp.
+ *
+ * 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/ "skeleton.dtsi"
+
+/ {
+        compatible = "renesas,r8a7740";
+
+        cpus {
+                cpu@0 {
+                        compatible = "arm,cortex-a9";
+                };
+        };
+};
diff --git a/arch/arm/boot/dts/sh7377.dtsi b/arch/arm/boot/dts/sh7377.dtsi
new file mode 100644
index 000000000000..767ee0796daa
--- /dev/null
+++ b/arch/arm/boot/dts/sh7377.dtsi
@@ -0,0 +1,21 @@
+/*
+ * Device Tree Source for the sh7377 SoC
+ *
+ * Copyright (C) 2012 Renesas Solutions Corp.
+ *
+ * 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/ "skeleton.dtsi"
+
+/ {
+        compatible = "renesas,sh7377";
+
+        cpus {
+                cpu@0 {
+                        compatible = "arm,cortex-a8";
+                };
+        };
+};
diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi
index 9f1921634eb7..405d1673904e 100644
--- a/arch/arm/boot/dts/tegra20.dtsi
+++ b/arch/arm/boot/dts/tegra20.dtsi
@@ -123,6 +123,12 @@
                 status = "disabled";
         };
 
+        pwm {
+                compatible = "nvidia,tegra20-pwm";
+                reg = <0x7000a000 0x100>;
+                #pwm-cells = <2>;
+        };
+
         i2c@7000c000 {
                 compatible = "nvidia,tegra20-i2c";
                 reg = <0x7000c000 0x100>;
diff --git a/arch/arm/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi
index da740191771f..3e4334d14efb 100644
--- a/arch/arm/boot/dts/tegra30.dtsi
+++ b/arch/arm/boot/dts/tegra30.dtsi
@@ -117,6 +117,12 @@
                 status = "disabled";
         };
 
+        pwm {
+                compatible = "nvidia,tegra30-pwm", "nvidia,tegra20-pwm";
+                reg = <0x7000a000 0x100>;
+                #pwm-cells = <2>;
+        };
+
         i2c@7000c000 {
                 compatible =  "nvidia,tegra30-i2c", "nvidia,tegra20-i2c";
                 reg = <0x7000c000 0x100>;
diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c
index aa07f5938f05..1143c4d5c567 100644
--- a/arch/arm/common/dmabounce.c
+++ b/arch/arm/common/dmabounce.c
@@ -452,6 +452,7 @@ static struct dma_map_ops dmabounce_ops = {
         .alloc                  = arm_dma_alloc,
         .free                   = arm_dma_free,
         .mmap                   = arm_dma_mmap,
+        .get_sgtable            = arm_dma_get_sgtable,
         .map_page               = dmabounce_map_page,
         .unmap_page             = dmabounce_unmap_page,
         .sync_single_for_cpu    = dmabounce_sync_for_cpu,
diff --git a/arch/arm/configs/armadillo800eva_defconfig b/arch/arm/configs/armadillo800eva_defconfig
index ddc9fe6a78ac..7d8718468e0d 100644
--- a/arch/arm/configs/armadillo800eva_defconfig
+++ b/arch/arm/configs/armadillo800eva_defconfig
@@ -5,10 +5,7 @@ CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=16
 # CONFIG_UTS_NS is not set
 # CONFIG_IPC_NS is not set
-# CONFIG_USER_NS is not set
 # CONFIG_PID_NS is not set
-CONFIG_SYSFS_DEPRECATED=y
-CONFIG_SYSFS_DEPRECATED_V2=y
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_SLAB=y
 CONFIG_MODULES=y
@@ -21,7 +18,7 @@ CONFIG_ARCH_SHMOBILE=y
 CONFIG_ARCH_R8A7740=y
 CONFIG_MACH_ARMADILLO800EVA=y
 # CONFIG_SH_TIMER_TMU is not set
-# CONFIG_ARM_THUMB is not set
+CONFIG_ARM_THUMB=y
 CONFIG_CPU_BPREDICT_DISABLE=y
 # CONFIG_CACHE_L2X0 is not set
 CONFIG_ARM_ERRATA_430973=y
@@ -39,6 +36,7 @@ CONFIG_ZBOOT_ROM_BSS=0x0
 CONFIG_CMDLINE="console=tty0 console=ttySC1,115200 earlyprintk=sh-sci.1,115200 ignore_loglevel root=/dev/nfs ip=dhcp nfsroot=,rsize=4096,wsize=4096"
 CONFIG_CMDLINE_FORCE=y
 CONFIG_KEXEC=y
+CONFIG_VFP=y
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
 # CONFIG_SUSPEND is not set
 CONFIG_NET=y
@@ -89,26 +87,32 @@ CONFIG_SERIAL_SH_SCI_CONSOLE=y
 CONFIG_I2C=y
 CONFIG_I2C_SH_MOBILE=y
 # CONFIG_HWMON is not set
+CONFIG_MEDIA_SUPPORT=y
+CONFIG_VIDEO_DEV=y
+# CONFIG_RC_CORE is not set
+# CONFIG_VIDEO_HELPER_CHIPS_AUTO is not set
+# CONFIG_V4L_USB_DRIVERS is not set
+CONFIG_V4L_PLATFORM_DRIVERS=y
+CONFIG_SOC_CAMERA=y
+CONFIG_SOC_CAMERA_MT9T112=y
+CONFIG_VIDEO_SH_MOBILE_CEU=y
+# CONFIG_RADIO_ADAPTERS is not set
 CONFIG_FB=y
-CONFIG_FB_MODE_HELPERS=y
 CONFIG_FB_SH_MOBILE_LCDC=y
+CONFIG_FB_SH_MOBILE_HDMI=y
 CONFIG_LCD_CLASS_DEVICE=y
 CONFIG_FRAMEBUFFER_CONSOLE=y
 CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
 CONFIG_LOGO=y
 # CONFIG_LOGO_LINUX_MONO is not set
 # CONFIG_LOGO_LINUX_VGA16 is not set
-CONFIG_SOUND=y
-CONFIG_SND=y
 # CONFIG_SND_SUPPORT_OLD_API is not set
 # CONFIG_SND_VERBOSE_PROCFS is not set
 # CONFIG_SND_DRIVERS is not set
 # CONFIG_SND_ARM is not set
-CONFIG_SND_SOC=y
 CONFIG_SND_SOC_SH4_FSI=y
 # CONFIG_HID_SUPPORT is not set
 CONFIG_USB=y
-# CONFIG_USB_DEVICE_CLASS is not set
 CONFIG_USB_RENESAS_USBHS=y
 CONFIG_USB_GADGET=y
 CONFIG_USB_RENESAS_USBHS_UDC=y
@@ -116,6 +120,8 @@ CONFIG_USB_ETH=m
 CONFIG_MMC=y
 CONFIG_MMC_SDHI=y
 CONFIG_MMC_SH_MMCIF=y
+CONFIG_DMADEVICES=y
+CONFIG_SH_DMAE=y
 CONFIG_UIO=y
 CONFIG_UIO_PDRV_GENIRQ=y
 # CONFIG_DNOTIFY is not set
@@ -124,7 +130,6 @@ CONFIG_VFAT_FS=y
 CONFIG_TMPFS=y
 # CONFIG_MISC_FILESYSTEMS is not set
 CONFIG_NFS_FS=y
-CONFIG_NFS_V3=y
 CONFIG_NFS_V3_ACL=y
 CONFIG_NFS_V4=y
 CONFIG_NFS_V4_1=y
diff --git a/arch/arm/configs/kzm9d_defconfig b/arch/arm/configs/kzm9d_defconfig
new file mode 100644
index 000000000000..26146ffea1a5
--- /dev/null
+++ b/arch/arm/configs/kzm9d_defconfig
@@ -0,0 +1,89 @@
+# CONFIG_ARM_PATCH_PHYS_VIRT is not set
+CONFIG_EXPERIMENTAL=y
+CONFIG_SYSVIPC=y
+CONFIG_NO_HZ=y
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=16
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_EMBEDDED=y
+CONFIG_SLAB=y
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_IOSCHED_DEADLINE is not set
+# CONFIG_IOSCHED_CFQ is not set
+CONFIG_ARCH_SHMOBILE=y
+CONFIG_ARCH_EMEV2=y
+CONFIG_MACH_KZM9D=y
+CONFIG_MEMORY_START=0x40000000
+CONFIG_MEMORY_SIZE=0x10000000
+# CONFIG_SH_TIMER_TMU is not set
+# CONFIG_SWP_EMULATE is not set
+# CONFIG_CACHE_L2X0 is not set
+CONFIG_SMP=y
+CONFIG_NR_CPUS=2
+CONFIG_HOTPLUG_CPU=y
+# CONFIG_LOCAL_TIMERS is not set
+CONFIG_AEABI=y
+# CONFIG_OABI_COMPAT is not set
+# CONFIG_CROSS_MEMORY_ATTACH is not set
+CONFIG_FORCE_MAX_ZONEORDER=13
+CONFIG_ZBOOT_ROM_TEXT=0x0
+CONFIG_ZBOOT_ROM_BSS=0x0
+CONFIG_ARM_APPENDED_DTB=y
+CONFIG_CMDLINE="console=tty0 console=ttyS1,115200n81 earlyprintk=serial8250-em.1,115200n81 mem=128M@0x40000000 ignore_loglevel root=/dev/nfs ip=dhcp nfsroot=,rsize=4096,wsize=4096"
+CONFIG_CMDLINE_FORCE=y
+CONFIG_VFP=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+# CONFIG_SUSPEND is not set
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_INET=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
+# CONFIG_INET_XFRM_MODE_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_BEET is not set
+# CONFIG_INET_LRO is not set
+# CONFIG_INET_DIAG is not set
+# CONFIG_IPV6 is not set
+# CONFIG_WIRELESS is not set
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+# CONFIG_BLK_DEV is not set
+CONFIG_NETDEVICES=y
+# CONFIG_NET_VENDOR_BROADCOM is not set
+# CONFIG_NET_VENDOR_CHELSIO is not set
+# CONFIG_NET_VENDOR_CIRRUS is not set
+# CONFIG_NET_VENDOR_FARADAY is not set
+# CONFIG_NET_VENDOR_INTEL is not set
+# CONFIG_NET_VENDOR_MARVELL is not set
+# CONFIG_NET_VENDOR_MICREL is not set
+# CONFIG_NET_VENDOR_NATSEMI is not set
+# CONFIG_NET_VENDOR_SEEQ is not set
+CONFIG_SMSC911X=y
+# CONFIG_NET_VENDOR_STMICRO is not set
+# CONFIG_NET_VENDOR_WIZNET is not set
+# CONFIG_WLAN is not set
+# CONFIG_INPUT_MOUSEDEV is not set
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_SERIO is not set
+# CONFIG_LEGACY_PTYS is not set
+# CONFIG_DEVKMEM is not set
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_EM=y
+# CONFIG_HW_RANDOM is not set
+CONFIG_GPIOLIB=y
+CONFIG_GPIO_EM=y
+# CONFIG_HWMON is not set
+# CONFIG_HID_SUPPORT is not set
+# CONFIG_USB_SUPPORT is not set
+# CONFIG_IOMMU_SUPPORT is not set
+# CONFIG_DNOTIFY is not set
+CONFIG_TMPFS=y
+# CONFIG_MISC_FILESYSTEMS is not set
+CONFIG_NFS_FS=y
+CONFIG_ROOT_NFS=y
+# CONFIG_FTRACE is not set
diff --git a/arch/arm/configs/kzm9g_defconfig b/arch/arm/configs/kzm9g_defconfig
index e3ebc20ed0a7..2388c8610627 100644
--- a/arch/arm/configs/kzm9g_defconfig
+++ b/arch/arm/configs/kzm9g_defconfig
@@ -100,7 +100,12 @@ CONFIG_SND_SOC_SH4_FSI=y
 CONFIG_USB=y
 CONFIG_USB_DEVICEFS=y
 CONFIG_USB_R8A66597_HCD=y
+CONFIG_USB_RENESAS_USBHS=y
 CONFIG_USB_STORAGE=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_RENESAS_USBHS_UDC=y
+CONFIG_USB_ETH=m
+CONFIG_USB_MASS_STORAGE=m
 CONFIG_MMC=y
 # CONFIG_MMC_BLOCK_BOUNCE is not set
 CONFIG_MMC_SDHI=y
@@ -108,12 +113,13 @@ CONFIG_MMC_SH_MMCIF=y
 CONFIG_NEW_LEDS=y
 CONFIG_LEDS_CLASS=y
 CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_RS5C372=y
 CONFIG_DMADEVICES=y
 CONFIG_SH_DMAE=y
 CONFIG_ASYNC_TX_DMA=y
 CONFIG_STAGING=y
 # CONFIG_DNOTIFY is not set
-# CONFIG_INOTIFY_USER is not set
+CONFIG_INOTIFY_USER=y
 CONFIG_VFAT_FS=y
 CONFIG_TMPFS=y
 # CONFIG_MISC_FILESYSTEMS is not set
diff --git a/arch/arm/configs/omap2plus_defconfig b/arch/arm/configs/omap2plus_defconfig
index b152de79fd95..e58edc36b406 100644
--- a/arch/arm/configs/omap2plus_defconfig
+++ b/arch/arm/configs/omap2plus_defconfig
@@ -193,6 +193,8 @@ CONFIG_MMC_OMAP_HS=y
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_TWL92330=y
 CONFIG_RTC_DRV_TWL4030=y
+CONFIG_DMADEVICES=y
+CONFIG_DMA_OMAP=y
 CONFIG_EXT2_FS=y
 CONFIG_EXT3_FS=y
 # CONFIG_EXT3_FS_XATTR is not set
diff --git a/arch/arm/configs/tegra_defconfig b/arch/arm/configs/tegra_defconfig
index 4be9c1e80ee6..db2245353f0f 100644
--- a/arch/arm/configs/tegra_defconfig
+++ b/arch/arm/configs/tegra_defconfig
@@ -106,6 +106,7 @@ CONFIG_I2C_TEGRA=y
 CONFIG_SPI=y
 CONFIG_SPI_TEGRA=y
 CONFIG_GPIO_TPS65910=y
+CONFIG_GPIO_TPS6586X=y
 CONFIG_POWER_SUPPLY=y
 CONFIG_BATTERY_SBS=y
 CONFIG_SENSORS_LM90=y
diff --git a/arch/arm/include/asm/arch_timer.h b/arch/arm/include/asm/arch_timer.h
index ed2e95d46e29..62e75475e57e 100644
--- a/arch/arm/include/asm/arch_timer.h
+++ b/arch/arm/include/asm/arch_timer.h
@@ -1,7 +1,10 @@
 #ifndef __ASMARM_ARCH_TIMER_H
 #define __ASMARM_ARCH_TIMER_H
 
+#include <asm/errno.h>
+
 #ifdef CONFIG_ARM_ARCH_TIMER
+#define ARCH_HAS_READ_CURRENT_TIMER
 int arch_timer_of_register(void);
 int arch_timer_sched_clock_init(void);
 #else
diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
index 004c1bc95d2b..e4448e16046d 100644
--- a/arch/arm/include/asm/cacheflush.h
+++ b/arch/arm/include/asm/cacheflush.h
@@ -215,7 +215,9 @@ static inline void vivt_flush_cache_mm(struct mm_struct *mm)
 static inline void
 vivt_flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end)
 {
-        if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(vma->vm_mm)))
+        struct mm_struct *mm = vma->vm_mm;
+
+        if (!mm || cpumask_test_cpu(smp_processor_id(), mm_cpumask(mm)))
                 __cpuc_flush_user_range(start & PAGE_MASK, PAGE_ALIGN(end),
                                         vma->vm_flags);
 }
@@ -223,7 +225,9 @@ vivt_flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned
 static inline void
 vivt_flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsigned long pfn)
 {
-        if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(vma->vm_mm))) {
+        struct mm_struct *mm = vma->vm_mm;
+
+        if (!mm || cpumask_test_cpu(smp_processor_id(), mm_cpumask(mm))) {
                 unsigned long addr = user_addr & PAGE_MASK;
                 __cpuc_flush_user_range(addr, addr + PAGE_SIZE, vma->vm_flags);
         }
diff --git a/arch/arm/include/asm/delay.h b/arch/arm/include/asm/delay.h
index b2deda181549..dc6145120de3 100644
--- a/arch/arm/include/asm/delay.h
+++ b/arch/arm/include/asm/delay.h
@@ -6,9 +6,22 @@
 #ifndef __ASM_ARM_DELAY_H
 #define __ASM_ARM_DELAY_H
 
+#include <asm/memory.h>
 #include <asm/param.h>  /* HZ */
 
-extern void __delay(int loops);
+#define MAX_UDELAY_MS   2
+#define UDELAY_MULT     ((UL(2199023) * HZ) >> 11)
+#define UDELAY_SHIFT    30
+
+#ifndef __ASSEMBLY__
+
+extern struct arm_delay_ops {
+        void (*delay)(unsigned long);
+        void (*const_udelay)(unsigned long);
+        void (*udelay)(unsigned long);
+} arm_delay_ops;
+
+#define __delay(n)              arm_delay_ops.delay(n)
 
 /*
  * This function intentionally does not exist; if you see references to
@@ -23,22 +36,27 @@ extern void __bad_udelay(void);
  * division by multiplication: you don't have to worry about
  * loss of precision.
  *
- * Use only for very small delays ( < 1 msec).  Should probably use a
+ * Use only for very small delays ( < 2 msec).  Should probably use a
  * lookup table, really, as the multiplications take much too long with
  * short delays.  This is a "reasonable" implementation, though (and the
  * first constant multiplications gets optimized away if the delay is
  * a constant)
  */
-extern void __udelay(unsigned long usecs);
-extern void __const_udelay(unsigned long);
-
-#define MAX_UDELAY_MS 2
+#define __udelay(n)             arm_delay_ops.udelay(n)
+#define __const_udelay(n)       arm_delay_ops.const_udelay(n)
 
 #define udelay(n)                                                       \
         (__builtin_constant_p(n) ?                                      \
           ((n) > (MAX_UDELAY_MS * 1000) ? __bad_udelay() :              \
-                        __const_udelay((n) * ((2199023U*HZ)>>11))) :    \
+                        __const_udelay((n) * UDELAY_MULT)) :            \
           __udelay(n))
 
+/* Loop-based definitions for assembly code. */
+extern void __loop_delay(unsigned long loops);
+extern void __loop_udelay(unsigned long usecs);
+extern void __loop_const_udelay(unsigned long);
+
+#endif /* __ASSEMBLY__ */
+
 #endif /* defined(_ARM_DELAY_H) */
 
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index bbef15d04890..2ae842df4551 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -186,17 +186,6 @@ extern int arm_dma_mmap(struct device *dev, struct vm_area_struct *vma,
                         void *cpu_addr, dma_addr_t dma_addr, size_t size,
                         struct dma_attrs *attrs);
 
-#define dma_mmap_coherent(d, v, c, h, s) dma_mmap_attrs(d, v, c, h, s, NULL)
-
-static inline int dma_mmap_attrs(struct device *dev, struct vm_area_struct *vma,
-                                  void *cpu_addr, dma_addr_t dma_addr,
-                                  size_t size, struct dma_attrs *attrs)
-{
-        struct dma_map_ops *ops = get_dma_ops(dev);
-        BUG_ON(!ops);
-        return ops->mmap(dev, vma, cpu_addr, dma_addr, size, attrs);
-}
-
 static inline void *dma_alloc_writecombine(struct device *dev, size_t size,
                                        dma_addr_t *dma_handle, gfp_t flag)
 {
@@ -213,20 +202,12 @@ static inline void dma_free_writecombine(struct device *dev, size_t size,
         return dma_free_attrs(dev, size, cpu_addr, dma_handle, &attrs);
 }
 
-static inline int dma_mmap_writecombine(struct device *dev, struct vm_area_struct *vma,
-                      void *cpu_addr, dma_addr_t dma_addr, size_t size)
-{
-        DEFINE_DMA_ATTRS(attrs);
-        dma_set_attr(DMA_ATTR_WRITE_COMBINE, &attrs);
-        return dma_mmap_attrs(dev, vma, cpu_addr, dma_addr, size, &attrs);
-}
-
 /*
  * This can be called during boot to increase the size of the consistent
  * DMA region above it's default value of 2MB. It must be called before the
  * memory allocator is initialised, i.e. before any core_initcall.
  */
-extern void __init init_consistent_dma_size(unsigned long size);
+static inline void init_consistent_dma_size(unsigned long size) { }
 
 /*
  * For SA-1111, IXP425, and ADI systems  the dma-mapping functions are "magic"
@@ -280,6 +261,9 @@ extern void arm_dma_sync_sg_for_cpu(struct device *, struct scatterlist *, int,
                 enum dma_data_direction);
 extern void arm_dma_sync_sg_for_device(struct device *, struct scatterlist *, int,
                 enum dma_data_direction);
+extern int arm_dma_get_sgtable(struct device *dev, struct sg_table *sgt,
+                void *cpu_addr, dma_addr_t dma_addr, size_t size,
+                struct dma_attrs *attrs);
 
 #endif /* __KERNEL__ */
 #endif
diff --git a/arch/arm/include/asm/kmap_types.h b/arch/arm/include/asm/kmap_types.h
index e51b1e81df05..83eb2f772911 100644
--- a/arch/arm/include/asm/kmap_types.h
+++ b/arch/arm/include/asm/kmap_types.h
@@ -4,30 +4,6 @@
 /*
  * This is the "bare minimum".  AIO seems to require this.
  */
-enum km_type {
-        KM_BOUNCE_READ,
-        KM_SKB_SUNRPC_DATA,
-        KM_SKB_DATA_SOFTIRQ,
-        KM_USER0,
-        KM_USER1,
-        KM_BIO_SRC_IRQ,
-        KM_BIO_DST_IRQ,
-        KM_PTE0,
-        KM_PTE1,
-        KM_IRQ0,
-        KM_IRQ1,
-        KM_SOFTIRQ0,
-        KM_SOFTIRQ1,
-        KM_L1_CACHE,
-        KM_L2_CACHE,
-        KM_KDB,
-        KM_TYPE_NR
-};
-
-#ifdef CONFIG_DEBUG_HIGHMEM
-#define KM_NMI          (-1)
-#define KM_NMI_PTE      (-1)
-#define KM_IRQ_PTE      (-1)
-#endif
+#define KM_TYPE_NR 16
 
 #endif
diff --git a/arch/arm/include/asm/locks.h b/arch/arm/include/asm/locks.h
deleted file mode 100644
index ef4c897772d1..000000000000
--- a/arch/arm/include/asm/locks.h
+++ /dev/null
@@ -1,274 +0,0 @@
-/*
- *  arch/arm/include/asm/locks.h
- *
- *  Copyright (C) 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.
- *
- *  Interrupt safe locking assembler. 
- */
-#ifndef __ASM_PROC_LOCKS_H
-#define __ASM_PROC_LOCKS_H
-
-#if __LINUX_ARM_ARCH__ >= 6
-
-#define __down_op(ptr,fail)                     \
-        ({                                      \
-        __asm__ __volatile__(                   \
-        "@ down_op\n"                           \
-"1:     ldrex   lr, [%0]\n"                     \
-"       sub     lr, lr, %1\n"                   \
-"       strex   ip, lr, [%0]\n"                 \
-"       teq     ip, #0\n"                       \
-"       bne     1b\n"                           \
-"       teq     lr, #0\n"                       \
-"       movmi   ip, %0\n"                       \
-"       blmi    " #fail                         \
-        :                                       \
-        : "r" (ptr), "I" (1)                    \
-        : "ip", "lr", "cc");                    \
-        smp_mb();                               \
-        })
-
-#define __down_op_ret(ptr,fail)                 \
-        ({                                      \
-                unsigned int ret;               \
-        __asm__ __volatile__(                   \
-        "@ down_op_ret\n"                       \
-"1:     ldrex   lr, [%1]\n"                     \
-"       sub     lr, lr, %2\n"                   \
-"       strex   ip, lr, [%1]\n"                 \
-"       teq     ip, #0\n"                       \
-"       bne     1b\n"                           \
-"       teq     lr, #0\n"                       \
-"       movmi   ip, %1\n"                       \
-"       movpl   ip, #0\n"                       \
-"       blmi    " #fail "\n"                    \
-"       mov     %0, ip"                         \
-        : "=&r" (ret)                           \
-        : "r" (ptr), "I" (1)                    \
-        : "ip", "lr", "cc");                    \
-        smp_mb();                               \
-        ret;                                    \
-        })
-
-#define __up_op(ptr,wake)                       \
-        ({                                      \
-        smp_mb();                               \
-        __asm__ __volatile__(                   \
-        "@ up_op\n"                             \
-"1:     ldrex   lr, [%0]\n"                     \
-"       add     lr, lr, %1\n"                   \
-"       strex   ip, lr, [%0]\n"                 \
-"       teq     ip, #0\n"                       \
-"       bne     1b\n"                           \
-"       cmp     lr, #0\n"                       \
-"       movle   ip, %0\n"                       \
-"       blle    " #wake                         \
-        :                                       \
-        : "r" (ptr), "I" (1)                    \
-        : "ip", "lr", "cc");                    \
-        })
-
-/*
- * The value 0x01000000 supports up to 128 processors and
- * lots of processes.  BIAS must be chosen such that sub'ing
- * BIAS once per CPU will result in the long remaining
- * negative.
- */
-#define RW_LOCK_BIAS      0x01000000
-#define RW_LOCK_BIAS_STR "0x01000000"
-
-#define __down_op_write(ptr,fail)               \
-        ({                                      \
-        __asm__ __volatile__(                   \
-        "@ down_op_write\n"                     \
-"1:     ldrex   lr, [%0]\n"                     \
-"       sub     lr, lr, %1\n"                   \
-"       strex   ip, lr, [%0]\n"                 \
-"       teq     ip, #0\n"                       \
-"       bne     1b\n"                           \
-"       teq     lr, #0\n"                       \
-"       movne   ip, %0\n"                       \
-"       blne    " #fail                         \
-        :                                       \
-        : "r" (ptr), "I" (RW_LOCK_BIAS)         \
-        : "ip", "lr", "cc");                    \
-        smp_mb();                               \
-        })
-
-#define __up_op_write(ptr,wake)                 \
-        ({                                      \
-        smp_mb();                               \
-        __asm__ __volatile__(                   \
-        "@ up_op_write\n"                       \
-"1:     ldrex   lr, [%0]\n"                     \
-"       adds    lr, lr, %1\n"                   \
-"       strex   ip, lr, [%0]\n"                 \
-"       teq     ip, #0\n"                       \
-"       bne     1b\n"                           \
-"       movcs   ip, %0\n"                       \
-"       blcs    " #wake                         \
-        :                                       \
-        : "r" (ptr), "I" (RW_LOCK_BIAS)         \
-        : "ip", "lr", "cc");                    \
-        })
-
-#define __down_op_read(ptr,fail)                \
-        __down_op(ptr, fail)
-
-#define __up_op_read(ptr,wake)                  \
-        ({                                      \
-        smp_mb();                               \
-        __asm__ __volatile__(                   \
-        "@ up_op_read\n"                        \
-"1:     ldrex   lr, [%0]\n"                     \
-"       add     lr, lr, %1\n"                   \
-"       strex   ip, lr, [%0]\n"                 \
-"       teq     ip, #0\n"                       \
-"       bne     1b\n"                           \
-"       teq     lr, #0\n"                       \
-"       moveq   ip, %0\n"                       \
-"       bleq    " #wake                         \
-        :                                       \
-        : "r" (ptr), "I" (1)                    \
-        : "ip", "lr", "cc");                    \
-        })
-
-#else
-
-#define __down_op(ptr,fail)                     \
-        ({                                      \
-        __asm__ __volatile__(                   \
-        "@ down_op\n"                           \
-"       mrs     ip, cpsr\n"                     \
-"       orr     lr, ip, #128\n"                 \
-"       msr     cpsr_c, lr\n"                   \
-"       ldr     lr, [%0]\n"                     \
-"       subs    lr, lr, %1\n"                   \
-"       str     lr, [%0]\n"                     \
-"       msr     cpsr_c, ip\n"                   \
-"       movmi   ip, %0\n"                       \
-"       blmi    " #fail                         \
-        :                                       \
-        : "r" (ptr), "I" (1)                    \
-        : "ip", "lr", "cc");                    \
-        smp_mb();                               \
-        })
-
-#define __down_op_ret(ptr,fail)                 \
-        ({                                      \
-                unsigned int ret;               \
-        __asm__ __volatile__(                   \
-        "@ down_op_ret\n"                       \
-"       mrs     ip, cpsr\n"                     \
-"       orr     lr, ip, #128\n"                 \
-"       msr     cpsr_c, lr\n"                   \
-"       ldr     lr, [%1]\n"                     \
-"       subs    lr, lr, %2\n"                   \
-"       str     lr, [%1]\n"                     \
-"       msr     cpsr_c, ip\n"                   \
-"       movmi   ip, %1\n"                       \
-"       movpl   ip, #0\n"                       \
-"       blmi    " #fail "\n"                    \
-"       mov     %0, ip"                         \
-        : "=&r" (ret)                           \
-        : "r" (ptr), "I" (1)                    \
-        : "ip", "lr", "cc");                    \
-        smp_mb();                               \
-        ret;                                    \
-        })
-
-#define __up_op(ptr,wake)                       \
-        ({                                      \
-        smp_mb();                               \
-        __asm__ __volatile__(                   \
-        "@ up_op\n"                             \
-"       mrs     ip, cpsr\n"                     \
-"       orr     lr, ip, #128\n"                 \
-"       msr     cpsr_c, lr\n"                   \
-"       ldr     lr, [%0]\n"                     \
-"       adds    lr, lr, %1\n"                   \
-"       str     lr, [%0]\n"                     \
-"       msr     cpsr_c, ip\n"                   \
-"       movle   ip, %0\n"                       \
-"       blle    " #wake                         \
-        :                                       \
-        : "r" (ptr), "I" (1)                    \
-        : "ip", "lr", "cc");                    \
-        })
-
-/*
- * The value 0x01000000 supports up to 128 processors and
- * lots of processes.  BIAS must be chosen such that sub'ing
- * BIAS once per CPU will result in the long remaining
- * negative.
- */
-#define RW_LOCK_BIAS      0x01000000
-#define RW_LOCK_BIAS_STR "0x01000000"
-
-#define __down_op_write(ptr,fail)               \
-        ({                                      \
-        __asm__ __volatile__(                   \
-        "@ down_op_write\n"                     \
-"       mrs     ip, cpsr\n"                     \
-"       orr     lr, ip, #128\n"                 \
-"       msr     cpsr_c, lr\n"                   \
-"       ldr     lr, [%0]\n"                     \
-"       subs    lr, lr, %1\n"                   \
-"       str     lr, [%0]\n"                     \
-"       msr     cpsr_c, ip\n"                   \
-"       movne   ip, %0\n"                       \
-"       blne    " #fail                         \
-        :                                       \
-        : "r" (ptr), "I" (RW_LOCK_BIAS)         \
-        : "ip", "lr", "cc");                    \
-        smp_mb();                               \
-        })
-
-#define __up_op_write(ptr,wake)                 \
-        ({                                      \
-        __asm__ __volatile__(                   \
-        "@ up_op_write\n"                       \
-"       mrs     ip, cpsr\n"                     \
-"       orr     lr, ip, #128\n"                 \
-"       msr     cpsr_c, lr\n"                   \
-"       ldr     lr, [%0]\n"                     \
-"       adds    lr, lr, %1\n"                   \
-"       str     lr, [%0]\n"                     \
-"       msr     cpsr_c, ip\n"                   \
-"       movcs   ip, %0\n"                       \
-"       blcs    " #wake                         \
-        :                                       \
-        : "r" (ptr), "I" (RW_LOCK_BIAS)         \
-        : "ip", "lr", "cc");                    \
-        smp_mb();                               \
-        })
-
-#define __down_op_read(ptr,fail)                \
-        __down_op(ptr, fail)
-
-#define __up_op_read(ptr,wake)                  \
-        ({                                      \
-        smp_mb();                               \
-        __asm__ __volatile__(                   \
-        "@ up_op_read\n"                        \
-"       mrs     ip, cpsr\n"                     \
-"       orr     lr, ip, #128\n"                 \
-"       msr     cpsr_c, lr\n"                   \
-"       ldr     lr, [%0]\n"                     \
-"       adds    lr, lr, %1\n"                   \
-"       str     lr, [%0]\n"                     \
-"       msr     cpsr_c, ip\n"                   \
-"       moveq   ip, %0\n"                       \
-"       bleq    " #wake                         \
-        :                                       \
-        : "r" (ptr), "I" (1)                    \
-        : "ip", "lr", "cc");                    \
-        })
-
-#endif
-
-#endif
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index fcb575747e5e..e965f1b560f1 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -16,7 +16,7 @@
 #include <linux/compiler.h>
 #include <linux/const.h>
 #include <linux/types.h>
-#include <asm/sizes.h>
+#include <linux/sizes.h>
 
 #ifdef CONFIG_NEED_MACH_MEMORY_H
 #include <mach/memory.h>
diff --git a/arch/arm/include/asm/mutex.h b/arch/arm/include/asm/mutex.h
index 93226cf23ae0..b1479fd04a95 100644
--- a/arch/arm/include/asm/mutex.h
+++ b/arch/arm/include/asm/mutex.h
@@ -7,121 +7,10 @@
  */
 #ifndef _ASM_MUTEX_H
 #define _ASM_MUTEX_H
-
-#if __LINUX_ARM_ARCH__ < 6
-/* On pre-ARMv6 hardware the swp based implementation is the most efficient. */
-# include <asm-generic/mutex-xchg.h>
-#else
-
 /*
- * Attempting to lock a mutex on ARMv6+ can be done with a bastardized
- * atomic decrement (it is not a reliable atomic decrement but it satisfies
- * the defined semantics for our purpose, while being smaller and faster
- * than a real atomic decrement or atomic swap.  The idea is to attempt
- * decrementing the lock value only once.  If once decremented it isn't zero,
- * or if its store-back fails due to a dispute on the exclusive store, we
- * simply bail out immediately through the slow path where the lock will be
- * reattempted until it succeeds.
+ * On pre-ARMv6 hardware this results in a swp-based implementation,
+ * which is the most efficient. For ARMv6+, we emit a pair of exclusive
+ * accesses instead.
  */
-static inline void
-__mutex_fastpath_lock(atomic_t *count, void (*fail_fn)(atomic_t *))
-{
-        int __ex_flag, __res;
-
-        __asm__ (
-
-                "ldrex  %0, [%2]        \n\t"
-                "sub    %0, %0, #1      \n\t"
-                "strex  %1, %0, [%2]    "
-
-                : "=&r" (__res), "=&r" (__ex_flag)
-                : "r" (&(count)->counter)
-                : "cc","memory" );
-
-        __res |= __ex_flag;
-        if (unlikely(__res != 0))
-                fail_fn(count);
-}
-
-static inline int
-__mutex_fastpath_lock_retval(atomic_t *count, int (*fail_fn)(atomic_t *))
-{
-        int __ex_flag, __res;
-
-        __asm__ (
-
-                "ldrex  %0, [%2]        \n\t"
-                "sub    %0, %0, #1      \n\t"
-                "strex  %1, %0, [%2]    "
-
-                : "=&r" (__res), "=&r" (__ex_flag)
-                : "r" (&(count)->counter)
-                : "cc","memory" );
-
-        __res |= __ex_flag;
-        if (unlikely(__res != 0))
-                __res = fail_fn(count);
-        return __res;
-}
-
-/*
- * Same trick is used for the unlock fast path. However the original value,
- * rather than the result, is used to test for success in order to have
- * better generated assembly.
- */
-static inline void
-__mutex_fastpath_unlock(atomic_t *count, void (*fail_fn)(atomic_t *))
-{
-        int __ex_flag, __res, __orig;
-
-        __asm__ (
-
-                "ldrex  %0, [%3]        \n\t"
-                "add    %1, %0, #1      \n\t"
-                "strex  %2, %1, [%3]    "
-
-                : "=&r" (__orig), "=&r" (__res), "=&r" (__ex_flag)
-                : "r" (&(count)->counter)
-                : "cc","memory" );
-
-        __orig |= __ex_flag;
-        if (unlikely(__orig != 0))
-                fail_fn(count);
-}
-
-/*
- * If the unlock was done on a contended lock, or if the unlock simply fails
- * then the mutex remains locked.
- */
-#define __mutex_slowpath_needs_to_unlock()      1
-
-/*
- * For __mutex_fastpath_trylock we use another construct which could be
- * described as a "single value cmpxchg".
- *
- * This provides the needed trylock semantics like cmpxchg would, but it is
- * lighter and less generic than a true cmpxchg implementation.
- */
-static inline int
-__mutex_fastpath_trylock(atomic_t *count, int (*fail_fn)(atomic_t *))
-{
-        int __ex_flag, __res, __orig;
-
-        __asm__ (
-
-                "1: ldrex       %0, [%3]        \n\t"
-                "subs           %1, %0, #1      \n\t"
-                "strexeq        %2, %1, [%3]    \n\t"
-                "movlt          %0, #0          \n\t"
-                "cmpeq          %2, #0          \n\t"
-                "bgt            1b              "
-
-                : "=&r" (__orig), "=&r" (__res), "=&r" (__ex_flag)
-                : "r" (&count->counter)
-                : "cc", "memory" );
-
-        return __orig;
-}
-
-#endif
+#include <asm-generic/mutex-xchg.h>
 #endif
diff --git a/arch/arm/include/asm/perf_event.h b/arch/arm/include/asm/perf_event.h
index 00cbe10a50e3..e074948d8143 100644
--- a/arch/arm/include/asm/perf_event.h
+++ b/arch/arm/include/asm/perf_event.h
@@ -12,21 +12,6 @@
 #ifndef __ARM_PERF_EVENT_H__
 #define __ARM_PERF_EVENT_H__
 
-/* ARM perf PMU IDs for use by internal perf clients. */
-enum arm_perf_pmu_ids {
-        ARM_PERF_PMU_ID_XSCALE1 = 0,
-        ARM_PERF_PMU_ID_XSCALE2,
-        ARM_PERF_PMU_ID_V6,
-        ARM_PERF_PMU_ID_V6MP,
-        ARM_PERF_PMU_ID_CA8,
-        ARM_PERF_PMU_ID_CA9,
-        ARM_PERF_PMU_ID_CA5,
-        ARM_PERF_PMU_ID_CA15,
-        ARM_PERF_PMU_ID_CA7,
-        ARM_NUM_PMU_IDS,
-};
-
-extern enum arm_perf_pmu_ids
-armpmu_get_pmu_id(void);
+/* Nothing to see here... */
 
 #endif /* __ARM_PERF_EVENT_H__ */
diff --git a/arch/arm/include/asm/pmu.h b/arch/arm/include/asm/pmu.h
index 90114faa9f3c..4432305f4a2a 100644
--- a/arch/arm/include/asm/pmu.h
+++ b/arch/arm/include/asm/pmu.h
@@ -103,10 +103,9 @@ struct pmu_hw_events {
 
 struct arm_pmu {
         struct pmu      pmu;
-        enum arm_perf_pmu_ids id;
         enum arm_pmu_type type;
         cpumask_t       active_irqs;
-        const char      *name;
+        char            *name;
         irqreturn_t     (*handle_irq)(int irq_num, void *dev);
         void            (*enable)(struct hw_perf_event *evt, int idx);
         void            (*disable)(struct hw_perf_event *evt, int idx);
diff --git a/arch/arm/include/asm/setup.h b/arch/arm/include/asm/setup.h
index 23ebc0c82a39..24d284a1bfc7 100644
--- a/arch/arm/include/asm/setup.h
+++ b/arch/arm/include/asm/setup.h
@@ -196,7 +196,7 @@ static const struct tagtable __tagtable_##fn __tag = { tag, fn }
 
 struct membank {
         phys_addr_t start;
-        unsigned long size;
+        phys_addr_t size;
         unsigned int highmem;
 };
 
@@ -217,7 +217,7 @@ extern struct meminfo meminfo;
 #define bank_phys_end(bank)     ((bank)->start + (bank)->size)
 #define bank_phys_size(bank)    (bank)->size
 
-extern int arm_add_memory(phys_addr_t start, unsigned long size);
+extern int arm_add_memory(phys_addr_t start, phys_addr_t size);
 extern void early_print(const char *str, ...);
 extern void dump_machine_table(void);
 
diff --git a/arch/arm/include/asm/spinlock.h b/arch/arm/include/asm/spinlock.h
index 65fa3c88095c..b4ca707d0a69 100644
--- a/arch/arm/include/asm/spinlock.h
+++ b/arch/arm/include/asm/spinlock.h
@@ -59,18 +59,13 @@ static inline void dsb_sev(void)
 }
 
 /*
- * ARMv6 Spin-locking.
+ * ARMv6 ticket-based spin-locking.
  *
- * We exclusively read the old value.  If it is zero, we may have
- * won the lock, so we try exclusively storing it.  A memory barrier
- * is required after we get a lock, and before we release it, because
- * V6 CPUs are assumed to have weakly ordered memory.
- *
- * Unlocked value: 0
- * Locked value: 1
+ * A memory barrier is required after we get a lock, and before we
+ * release it, because V6 CPUs are assumed to have weakly ordered
+ * memory.
  */
 
-#define arch_spin_is_locked(x)          ((x)->lock != 0)
 #define arch_spin_unlock_wait(lock) \
         do { while (arch_spin_is_locked(lock)) cpu_relax(); } while (0)
 
@@ -79,31 +74,39 @@ static inline void dsb_sev(void)
 static inline void arch_spin_lock(arch_spinlock_t *lock)
 {
         unsigned long tmp;
+        u32 newval;
+        arch_spinlock_t lockval;
 
         __asm__ __volatile__(
-"1:     ldrex   %0, [%1]\n"
-"       teq     %0, #0\n"
-        WFE("ne")
-"       strexeq %0, %2, [%1]\n"
-"       teqeq   %0, #0\n"
+"1:     ldrex   %0, [%3]\n"
+"       add     %1, %0, %4\n"
+"       strex   %2, %1, [%3]\n"
+"       teq     %2, #0\n"
 "       bne     1b"
-        : "=&r" (tmp)
-        : "r" (&lock->lock), "r" (1)
+        : "=&r" (lockval), "=&r" (newval), "=&r" (tmp)
+        : "r" (&lock->slock), "I" (1 << TICKET_SHIFT)
         : "cc");
 
+        while (lockval.tickets.next != lockval.tickets.owner) {
+                wfe();
+                lockval.tickets.owner = ACCESS_ONCE(lock->tickets.owner);
+        }
+
         smp_mb();
 }
 
 static inline int arch_spin_trylock(arch_spinlock_t *lock)
 {
         unsigned long tmp;
+        u32 slock;
 
         __asm__ __volatile__(
-"       ldrex   %0, [%1]\n"
-"       teq     %0, #0\n"
-"       strexeq %0, %2, [%1]"
-        : "=&r" (tmp)
-        : "r" (&lock->lock), "r" (1)
+"       ldrex   %0, [%2]\n"
+"       subs    %1, %0, %0, ror #16\n"
+"       addeq   %0, %0, %3\n"
+"       strexeq %1, %0, [%2]"
+        : "=&r" (slock), "=&r" (tmp)
+        : "r" (&lock->slock), "I" (1 << TICKET_SHIFT)
         : "cc");
 
         if (tmp == 0) {
@@ -116,17 +119,38 @@ static inline int arch_spin_trylock(arch_spinlock_t *lock)
 
 static inline void arch_spin_unlock(arch_spinlock_t *lock)
 {
+        unsigned long tmp;
+        u32 slock;
+
         smp_mb();
 
         __asm__ __volatile__(
-"       str     %1, [%0]\n"
-        :
-        : "r" (&lock->lock), "r" (0)
+"       mov     %1, #1\n"
+"1:     ldrex   %0, [%2]\n"
+"       uadd16  %0, %0, %1\n"
+"       strex   %1, %0, [%2]\n"
+"       teq     %1, #0\n"
+"       bne     1b"
+        : "=&r" (slock), "=&r" (tmp)
+        : "r" (&lock->slock)
         : "cc");
 
         dsb_sev();
 }
 
+static inline int arch_spin_is_locked(arch_spinlock_t *lock)
+{
+        struct __raw_tickets tickets = ACCESS_ONCE(lock->tickets);
+        return tickets.owner != tickets.next;
+}
+
+static inline int arch_spin_is_contended(arch_spinlock_t *lock)
+{
+        struct __raw_tickets tickets = ACCESS_ONCE(lock->tickets);
+        return (tickets.next - tickets.owner) > 1;
+}
+#define arch_spin_is_contended  arch_spin_is_contended
+
 /*
  * RWLOCKS
  *
@@ -158,7 +182,7 @@ static inline int arch_write_trylock(arch_rwlock_t *rw)
         unsigned long tmp;
 
         __asm__ __volatile__(
-"1:     ldrex   %0, [%1]\n"
+"       ldrex   %0, [%1]\n"
 "       teq     %0, #0\n"
 "       strexeq %0, %2, [%1]"
         : "=&r" (tmp)
@@ -244,7 +268,7 @@ static inline int arch_read_trylock(arch_rwlock_t *rw)
         unsigned long tmp, tmp2 = 1;
 
         __asm__ __volatile__(
-"1:     ldrex   %0, [%2]\n"
+"       ldrex   %0, [%2]\n"
 "       adds    %0, %0, #1\n"
 "       strexpl %1, %0, [%2]\n"
         : "=&r" (tmp), "+r" (tmp2)
diff --git a/arch/arm/include/asm/spinlock_types.h b/arch/arm/include/asm/spinlock_types.h
index d14d197ae04a..b262d2f8b478 100644
--- a/arch/arm/include/asm/spinlock_types.h
+++ b/arch/arm/include/asm/spinlock_types.h
@@ -5,11 +5,24 @@
 # error "please don't include this file directly"
 #endif
 
+#define TICKET_SHIFT    16
+
 typedef struct {
-        volatile unsigned int lock;
+        union {
+                u32 slock;
+                struct __raw_tickets {
+#ifdef __ARMEB__
+                        u16 next;
+                        u16 owner;
+#else
+                        u16 owner;
+                        u16 next;
+#endif
+                } tickets;
+        };
 } arch_spinlock_t;
 
-#define __ARCH_SPIN_LOCK_UNLOCKED       { 0 }
+#define __ARCH_SPIN_LOCK_UNLOCKED       { { 0 } }
 
 typedef struct {
         volatile unsigned int lock;
diff --git a/arch/arm/include/asm/timex.h b/arch/arm/include/asm/timex.h
index 3be8de3adaba..ce119442277c 100644
--- a/arch/arm/include/asm/timex.h
+++ b/arch/arm/include/asm/timex.h
@@ -12,13 +12,15 @@
 #ifndef _ASMARM_TIMEX_H
 #define _ASMARM_TIMEX_H
 
+#include <asm/arch_timer.h>
 #include <mach/timex.h>
 
 typedef unsigned long cycles_t;
 
-static inline cycles_t get_cycles (void)
-{
-        return 0;
-}
+#ifdef ARCH_HAS_READ_CURRENT_TIMER
+#define get_cycles()    ({ cycles_t c; read_current_timer(&c) ? 0 : c; })
+#else
+#define get_cycles()    (0)
+#endif
 
 #endif
diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h
index 71f6536d17ac..479a6352e0b5 100644
--- a/arch/arm/include/asm/uaccess.h
+++ b/arch/arm/include/asm/uaccess.h
@@ -189,6 +189,9 @@ static inline void set_fs(mm_segment_t fs)
 
 #define access_ok(type,addr,size)       (__range_ok(addr,size) == 0)
 
+#define user_addr_max() \
+        (segment_eq(get_fs(), USER_DS) ? TASK_SIZE : ~0UL)
+
 /*
  * The "__xxx" versions of the user access functions do not verify the
  * address space - it must have been done previously with a separate
@@ -398,9 +401,6 @@ extern unsigned long __must_check __clear_user_std(void __user *addr, unsigned l
 #define __clear_user(addr,n)            (memset((void __force *)addr, 0, n), 0)
 #endif
 
-extern unsigned long __must_check __strncpy_from_user(char *to, const char __user *from, unsigned long count);
-extern unsigned long __must_check __strnlen_user(const char __user *s, long n);
-
 static inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long n)
 {
         if (access_ok(VERIFY_READ, from, n))
@@ -427,24 +427,9 @@ static inline unsigned long __must_check clear_user(void __user *to, unsigned lo
         return n;
 }
 
-static inline long __must_check strncpy_from_user(char *dst, const char __user *src, long count)
-{
-        long res = -EFAULT;
-        if (access_ok(VERIFY_READ, src, 1))
-                res = __strncpy_from_user(dst, src, count);
-        return res;
-}
-
-#define strlen_user(s)  strnlen_user(s, ~0UL >> 1)
+extern long strncpy_from_user(char *dest, const char __user *src, long count);
 
-static inline long __must_check strnlen_user(const char __user *s, long n)
-{
-        unsigned long res = 0;
-
-        if (__addr_ok(s))
-                res = __strnlen_user(s, n);
-
-        return res;
-}
+extern __must_check long strlen_user(const char __user *str);
+extern __must_check long strnlen_user(const char __user *str, long n);
 
 #endif /* _ASMARM_UACCESS_H */
diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h
index 512cd1473454..0cab47d4a83f 100644
--- a/arch/arm/include/asm/unistd.h
+++ b/arch/arm/include/asm/unistd.h
@@ -446,7 +446,6 @@
 
 #ifdef __KERNEL__
 
-#define __ARCH_WANT_IPC_PARSE_VERSION
 #define __ARCH_WANT_STAT64
 #define __ARCH_WANT_SYS_GETHOSTNAME
 #define __ARCH_WANT_SYS_PAUSE
diff --git a/arch/arm/include/asm/word-at-a-time.h b/arch/arm/include/asm/word-at-a-time.h
new file mode 100644
index 000000000000..4d52f92967a6
--- /dev/null
+++ b/arch/arm/include/asm/word-at-a-time.h
@@ -0,0 +1,96 @@
+#ifndef __ASM_ARM_WORD_AT_A_TIME_H
+#define __ASM_ARM_WORD_AT_A_TIME_H
+
+#ifndef __ARMEB__
+
+/*
+ * Little-endian word-at-a-time zero byte handling.
+ * Heavily based on the x86 algorithm.
+ */
+#include <linux/kernel.h>
+
+struct word_at_a_time {
+        const unsigned long one_bits, high_bits;
+};
+
+#define WORD_AT_A_TIME_CONSTANTS { REPEAT_BYTE(0x01), REPEAT_BYTE(0x80) }
+
+static inline unsigned long has_zero(unsigned long a, unsigned long *bits,
+                                     const struct word_at_a_time *c)
+{
+        unsigned long mask = ((a - c->one_bits) & ~a) & c->high_bits;
+        *bits = mask;
+        return mask;
+}
+
+#define prep_zero_mask(a, bits, c) (bits)
+
+static inline unsigned long create_zero_mask(unsigned long bits)
+{
+        bits = (bits - 1) & ~bits;
+        return bits >> 7;
+}
+
+static inline unsigned long find_zero(unsigned long mask)
+{
+        unsigned long ret;
+
+#if __LINUX_ARM_ARCH__ >= 5
+        /* We have clz available. */
+        ret = fls(mask) >> 3;
+#else
+        /* (000000 0000ff 00ffff ffffff) -> ( 1 1 2 3 ) */
+        ret = (0x0ff0001 + mask) >> 23;
+        /* Fix the 1 for 00 case */
+        ret &= mask;
+#endif
+
+        return ret;
+}
+
+#ifdef CONFIG_DCACHE_WORD_ACCESS
+
+#define zero_bytemask(mask) (mask)
+
+/*
+ * Load an unaligned word from kernel space.
+ *
+ * In the (very unlikely) case of the word being a page-crosser
+ * and the next page not being mapped, take the exception and
+ * return zeroes in the non-existing part.
+ */
+static inline unsigned long load_unaligned_zeropad(const void *addr)
+{
+        unsigned long ret, offset;
+
+        /* Load word from unaligned pointer addr */
+        asm(
+        "1:     ldr     %0, [%2]\n"
+        "2:\n"
+        "       .pushsection .fixup,\"ax\"\n"
+        "       .align 2\n"
+        "3:     and     %1, %2, #0x3\n"
+        "       bic     %2, %2, #0x3\n"
+        "       ldr     %0, [%2]\n"
+        "       lsl     %1, %1, #0x3\n"
+        "       lsr     %0, %0, %1\n"
+        "       b       2b\n"
+        "       .popsection\n"
+        "       .pushsection __ex_table,\"a\"\n"
+        "       .align  3\n"
+        "       .long   1b, 3b\n"
+        "       .popsection"
+        : "=&r" (ret), "=&r" (offset)
+        : "r" (addr), "Qo" (*(unsigned long *)addr));
+
+        return ret;
+}
+
+
+#endif  /* DCACHE_WORD_ACCESS */
+
+#else   /* __ARMEB__ */
+#include <asm-generic/word-at-a-time.h>
+#endif
+
+#endif /* __ASM_ARM_WORD_AT_A_TIME_H */
diff --git a/arch/arm/kernel/arch_timer.c b/arch/arm/kernel/arch_timer.c
index dd58035621f7..cf258807160d 100644
--- a/arch/arm/kernel/arch_timer.c
+++ b/arch/arm/kernel/arch_timer.c
@@ -32,6 +32,8 @@ static int arch_timer_ppi2;
 
 static struct clock_event_device __percpu **arch_timer_evt;
 
+extern void init_current_timer_delay(unsigned long freq);
+
 /*
  * Architected system timer support.
  */
@@ -137,7 +139,7 @@ static int __cpuinit arch_timer_setup(struct clock_event_device *clk)
         /* Be safe... */
         arch_timer_disable();
 
-        clk->features = CLOCK_EVT_FEAT_ONESHOT;
+        clk->features = CLOCK_EVT_FEAT_ONESHOT | CLOCK_EVT_FEAT_C3STOP;
         clk->name = "arch_sys_timer";
         clk->rating = 450;
         clk->set_mode = arch_timer_set_mode;
@@ -223,6 +225,14 @@ static cycle_t arch_counter_read(struct clocksource *cs)
         return arch_counter_get_cntpct();
 }
 
+int read_current_timer(unsigned long *timer_val)
+{
+        if (!arch_timer_rate)
+                return -ENXIO;
+        *timer_val = arch_counter_get_cntpct();
+        return 0;
+}
+
 static struct clocksource clocksource_counter = {
         .name   = "arch_sys_counter",
         .rating = 400,
@@ -296,6 +306,7 @@ static int __init arch_timer_register(void)
         if (err)
                 goto out_free_irq;
 
+        init_current_timer_delay(arch_timer_rate);
         return 0;
 
 out_free_irq:
diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c
index b57c75e0b01f..60d3b738d420 100644
--- a/arch/arm/kernel/armksyms.c
+++ b/arch/arm/kernel/armksyms.c
@@ -49,8 +49,7 @@ extern void __aeabi_ulcmp(void);
 extern void fpundefinstr(void);
 
         /* platform dependent support */
-EXPORT_SYMBOL(__udelay);
-EXPORT_SYMBOL(__const_udelay);
+EXPORT_SYMBOL(arm_delay_ops);
 
         /* networking */
 EXPORT_SYMBOL(csum_partial);
@@ -87,10 +86,6 @@ EXPORT_SYMBOL(memmove);
 EXPORT_SYMBOL(memchr);
 EXPORT_SYMBOL(__memzero);
 
-        /* user mem (segment) */
-EXPORT_SYMBOL(__strnlen_user);
-EXPORT_SYMBOL(__strncpy_from_user);
-
 #ifdef CONFIG_MMU
 EXPORT_SYMBOL(copy_page);
 
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index 0d1851ca6eb9..0f82098c9bfe 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -244,6 +244,19 @@ svc_preempt:
         b       1b
 #endif
 
+__und_fault:
+        @ Correct the PC such that it is pointing at the instruction
+        @ which caused the fault.  If the faulting instruction was ARM
+        @ the PC will be pointing at the next instruction, and have to
+        @ subtract 4.  Otherwise, it is Thumb, and the PC will be
+        @ pointing at the second half of the Thumb instruction.  We
+        @ have to subtract 2.
+        ldr     r2, [r0, #S_PC]
+        sub     r2, r2, r1
+        str     r2, [r0, #S_PC]
+        b       do_undefinstr
+ENDPROC(__und_fault)
+
         .align  5
 __und_svc:
 #ifdef CONFIG_KPROBES
@@ -261,25 +274,32 @@ __und_svc:
         @
         @  r0 - instruction
         @
-#ifndef CONFIG_THUMB2_KERNEL
+#ifndef CONFIG_THUMB2_KERNEL
         ldr     r0, [r4, #-4]
 #else
+        mov     r1, #2
         ldrh    r0, [r4, #-2]                   @ Thumb instruction at LR - 2
         cmp     r0, #0xe800                     @ 32-bit instruction if xx >= 0
-        ldrhhs  r9, [r4]                        @ bottom 16 bits
-        orrhs   r0, r9, r0, lsl #16
+        blo     __und_svc_fault
+        ldrh    r9, [r4]                        @ bottom 16 bits
+        add     r4, r4, #2
+        str     r4, [sp, #S_PC]
+        orr     r0, r9, r0, lsl #16
 #endif
-        adr     r9, BSYM(1f)
+        adr     r9, BSYM(__und_svc_finish)
         mov     r2, r4
         bl      call_fpe
 
+        mov     r1, #4                          @ PC correction to apply
+__und_svc_fault:
         mov     r0, sp                          @ struct pt_regs *regs
-        bl      do_undefinstr
+        bl      __und_fault
 
         @
         @ IRQs off again before pulling preserved data off the stack
         @
-1:      disable_irq_notrace
+__und_svc_finish:
+        disable_irq_notrace
 
         @
         @ restore SPSR and restart the instruction
@@ -423,25 +443,33 @@ __und_usr:
         mov     r2, r4
         mov     r3, r5
 
+        @ r2 = regs->ARM_pc, which is either 2 or 4 bytes ahead of the
+        @      faulting instruction depending on Thumb mode.
+        @ r3 = regs->ARM_cpsr
         @
-        @ fall through to the emulation code, which returns using r9 if
-        @ it has emulated the instruction, or the more conventional lr
-        @ if we are to treat this as a real undefined instruction
-        @
-        @  r0 - instruction
+        @ The emulation code returns using r9 if it has emulated the
+        @ instruction, or the more conventional lr if we are to treat
+        @ this as a real undefined instruction
         @
         adr     r9, BSYM(ret_from_exception)
-        adr     lr, BSYM(__und_usr_unknown)
+
         tst     r3, #PSR_T_BIT                  @ Thumb mode?
-        itet    eq                              @ explicit IT needed for the 1f label
-        subeq   r4, r2, #4                      @ ARM instr at LR - 4
-        subne   r4, r2, #2                      @ Thumb instr at LR - 2
-1:      ldreqt  r0, [r4]
+        bne     __und_usr_thumb
+        sub     r4, r2, #4                      @ ARM instr at LR - 4
+1:      ldrt    r0, [r4]
 #ifdef CONFIG_CPU_ENDIAN_BE8
-        reveq   r0, r0                          @ little endian instruction
+        rev     r0, r0                          @ little endian instruction
 #endif
-        beq     call_fpe
+        @ r0 = 32-bit ARM instruction which caused the exception
+        @ r2 = PC value for the following instruction (:= regs->ARM_pc)
+        @ r4 = PC value for the faulting instruction
+        @ lr = 32-bit undefined instruction function
+        adr     lr, BSYM(__und_usr_fault_32)
+        b       call_fpe
+
+__und_usr_thumb:
         @ Thumb instruction
+        sub     r4, r2, #2                      @ First half of thumb instr at LR - 2
 #if CONFIG_ARM_THUMB && __LINUX_ARM_ARCH__ >= 6 && CONFIG_CPU_V7
 /*
  * Thumb-2 instruction handling.  Note that because pre-v6 and >= v6 platforms
@@ -455,7 +483,7 @@ __und_usr:
         ldr     r5, .LCcpu_architecture
         ldr     r5, [r5]
         cmp     r5, #CPU_ARCH_ARMv7
-        blo     __und_usr_unknown
+        blo     __und_usr_fault_16              @ 16bit undefined instruction
 /*
  * The following code won't get run unless the running CPU really is v7, so
  * coding round the lack of ldrht on older arches is pointless.  Temporarily
@@ -463,15 +491,18 @@ __und_usr:
  */
         .arch   armv6t2
 #endif
-2:
- ARM(   ldrht   r5, [r4], #2    )
- THUMB( ldrht   r5, [r4]        )
- THUMB( add     r4, r4, #2      )
+2:      ldrht   r5, [r4]
         cmp     r5, #0xe800                     @ 32bit instruction if xx != 0
-        blo     __und_usr_unknown
-3:      ldrht   r0, [r4]
+        blo     __und_usr_fault_16              @ 16bit undefined instruction
+3:      ldrht   r0, [r2]
         add     r2, r2, #2                      @ r2 is PC + 2, make it PC + 4
+        str     r2, [sp, #S_PC]                 @ it's a 2x16bit instr, update
         orr     r0, r0, r5, lsl #16
+        adr     lr, BSYM(__und_usr_fault_32)
+        @ r0 = the two 16-bit Thumb instructions which caused the exception
+        @ r2 = PC value for the following Thumb instruction (:= regs->ARM_pc)
+        @ r4 = PC value for the first 16-bit Thumb instruction
+        @ lr = 32bit undefined instruction function
 
 #if __LINUX_ARM_ARCH__ < 7
 /* If the target arch was overridden, change it back: */
@@ -482,17 +513,13 @@ __und_usr:
 #endif
 #endif /* __LINUX_ARM_ARCH__ < 7 */
 #else /* !(CONFIG_ARM_THUMB && __LINUX_ARM_ARCH__ >= 6 && CONFIG_CPU_V7) */
-        b       __und_usr_unknown
+        b       __und_usr_fault_16
 #endif
- UNWIND(.fnend          )
+ UNWIND(.fnend)
 ENDPROC(__und_usr)
 
-        @
-        @ fallthrough to call_fpe
-        @
-
 /*
- * The out of line fixup for the ldrt above.
+ * The out of line fixup for the ldrt instructions above.
  */
         .pushsection .fixup, "ax"
         .align  2
@@ -524,11 +551,12 @@ ENDPROC(__und_usr)
  * NEON handler code.
  *
  * Emulators may wish to make use of the following registers:
- *  r0  = instruction opcode.
- *  r2  = PC+4
+ *  r0  = instruction opcode (32-bit ARM or two 16-bit Thumb)
+ *  r2  = PC value to resume execution after successful emulation
  *  r9  = normal "successful" return address
- *  r10 = this threads thread_info structure.
+ *  r10 = this threads thread_info structure
  *  lr  = unrecognised instruction return address
+ * IRQs disabled, FIQs enabled.
  */
         @
         @ Fall-through from Thumb-2 __und_usr
@@ -659,12 +687,17 @@ ENTRY(no_fp)
         mov     pc, lr
 ENDPROC(no_fp)
 
-__und_usr_unknown:
-        enable_irq
+__und_usr_fault_32:
+        mov     r1, #4
+        b       1f
+__und_usr_fault_16:
+        mov     r1, #2
+1:      enable_irq
         mov     r0, sp
         adr     lr, BSYM(ret_from_exception)
-        b       do_undefinstr
-ENDPROC(__und_usr_unknown)
+        b       __und_fault
+ENDPROC(__und_usr_fault_32)
+ENDPROC(__und_usr_fault_16)
 
         .align  5
 __pabt_usr:
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
index 4afed88d250a..978eac57e04a 100644
--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -51,23 +51,15 @@ ret_fast_syscall:
 fast_work_pending:
         str     r0, [sp, #S_R0+S_OFF]!          @ returned r0
 work_pending:
-        tst     r1, #_TIF_NEED_RESCHED
-        bne     work_resched
-        /*
-         * TIF_SIGPENDING or TIF_NOTIFY_RESUME must've been set if we got here
-         */
-        ldr     r2, [sp, #S_PSR]
         mov     r0, sp                          @ 'regs'
-        tst     r2, #15                         @ are we returning to user mode?
-        bne     no_work_pending                 @ no?  just leave, then...
         mov     r2, why                         @ 'syscall'
-        tst     r1, #_TIF_SIGPENDING            @ delivering a signal?
-        movne   why, #0                         @ prevent further restarts
-        bl      do_notify_resume
-        b       ret_slow_syscall                @ Check work again
+        bl      do_work_pending
+        cmp     r0, #0
+        beq     no_work_pending
+        movlt   scno, #(__NR_restart_syscall - __NR_SYSCALL_BASE)
+        ldmia   sp, {r0 - r6}                   @ have to reload r0 - r6
+        b       local_restart                   @ ... and off we go
 
-work_resched:
-        bl      schedule
 /*
  * "slow" syscall return path.  "why" tells us if this was a real syscall.
  */
@@ -95,13 +87,7 @@ ENDPROC(ret_to_user)
 ENTRY(ret_from_fork)
         bl      schedule_tail
         get_thread_info tsk
-        ldr     r1, [tsk, #TI_FLAGS]            @ check for syscall tracing
         mov     why, #1
-        tst     r1, #_TIF_SYSCALL_WORK          @ are we tracing syscalls?
-        beq     ret_slow_syscall
-        mov     r1, sp
-        mov     r0, #1                          @ trace exit [IP = 1]
-        bl      syscall_trace
         b       ret_slow_syscall
 ENDPROC(ret_from_fork)
 
@@ -415,6 +401,7 @@ ENTRY(vector_swi)
         eor     scno, scno, #__NR_SYSCALL_BASE  @ check OS number
 #endif
 
+local_restart:
         ldr     r10, [tsk, #TI_FLAGS]           @ check for syscall tracing
         stmdb   sp!, {r4, r5}                   @ push fifth and sixth args
 
@@ -448,25 +435,24 @@ ENDPROC(vector_swi)
          * context switches, and waiting for our parent to respond.
          */
 __sys_trace:
-        mov     r2, scno
-        add     r1, sp, #S_OFF
-        mov     r0, #0                          @ trace entry [IP = 0]
-        bl      syscall_trace
+        mov     r1, scno
+        add     r0, sp, #S_OFF
+        bl      syscall_trace_enter
 
         adr     lr, BSYM(__sys_trace_return)    @ return address
         mov     scno, r0                        @ syscall number (possibly new)
         add     r1, sp, #S_R0 + S_OFF           @ pointer to regs
         cmp     scno, #NR_syscalls              @ check upper syscall limit
-        ldmccia r1, {r0 - r3}                   @ have to reload r0 - r3
+        ldmccia r1, {r0 - r6}                   @ have to reload r0 - r6
+        stmccia sp, {r4, r5}                    @ and update the stack args
         ldrcc   pc, [tbl, scno, lsl #2]         @ call sys_* routine
         b       2b
 
 __sys_trace_return:
         str     r0, [sp, #S_R0 + S_OFF]!        @ save returned r0
-        mov     r2, scno
-        mov     r1, sp
-        mov     r0, #1                          @ trace exit [IP = 1]
-        bl      syscall_trace
+        mov     r1, scno
+        mov     r0, sp
+        bl      syscall_trace_exit
         b       ret_slow_syscall
 
         .align  5
diff --git a/arch/arm/kernel/ftrace.c b/arch/arm/kernel/ftrace.c
index df0bf0c8cb79..34e56647dcee 100644
--- a/arch/arm/kernel/ftrace.c
+++ b/arch/arm/kernel/ftrace.c
@@ -179,19 +179,20 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr,
         old = *parent;
         *parent = return_hooker;
 
-        err = ftrace_push_return_trace(old, self_addr, &trace.depth,
-                                       frame_pointer);
-        if (err == -EBUSY) {
-                *parent = old;
-                return;
-        }
-
         trace.func = self_addr;
+        trace.depth = current->curr_ret_stack + 1;
 
         /* Only trace if the calling function expects to */
         if (!ftrace_graph_entry(&trace)) {
-                current->curr_ret_stack--;
                 *parent = old;
+                return;
+        }
+
+        err = ftrace_push_return_trace(old, self_addr, &trace.depth,
+                                       frame_pointer);
+        if (err == -EBUSY) {
+                *parent = old;
+                return;
         }
 }
 
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index 835898e7d704..3db960e20cb8 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -55,14 +55,6 @@
         add     \rd, \phys, #TEXT_OFFSET - PG_DIR_SIZE
         .endm
 
-#ifdef CONFIG_XIP_KERNEL
-#define KERNEL_START    XIP_VIRT_ADDR(CONFIG_XIP_PHYS_ADDR)
-#define KERNEL_END      _edata_loc
-#else
-#define KERNEL_START    KERNEL_RAM_VADDR
-#define KERNEL_END      _end
-#endif
-
 /*
  * Kernel startup entry point.
  * ---------------------------
@@ -218,51 +210,46 @@ __create_page_tables:
         blo     1b
 
         /*
-         * Now setup the pagetables for our kernel direct
-         * mapped region.
+         * Map our RAM from the start to the end of the kernel .bss section.
          */
-        mov     r3, pc
-        mov     r3, r3, lsr #SECTION_SHIFT
-        orr     r3, r7, r3, lsl #SECTION_SHIFT
-        add     r0, r4,  #(KERNEL_START & 0xff000000) >> (SECTION_SHIFT - PMD_ORDER)
-        str     r3, [r0, #((KERNEL_START & 0x00f00000) >> SECTION_SHIFT) << PMD_ORDER]!
-        ldr     r6, =(KERNEL_END - 1)
-        add     r0, r0, #1 << PMD_ORDER
+        add     r0, r4, #PAGE_OFFSET >> (SECTION_SHIFT - PMD_ORDER)
+        ldr     r6, =(_end - 1)
+        orr     r3, r8, r7
         add     r6, r4, r6, lsr #(SECTION_SHIFT - PMD_ORDER)
-1:      cmp     r0, r6
+1:      str     r3, [r0], #1 << PMD_ORDER
         add     r3, r3, #1 << SECTION_SHIFT
-        strls   r3, [r0], #1 << PMD_ORDER
+        cmp     r0, r6
         bls     1b
 
 #ifdef CONFIG_XIP_KERNEL
         /*
-         * Map some ram to cover our .data and .bss areas.
+         * Map the kernel image separately as it is not located in RAM.
          */
-        add     r3, r8, #TEXT_OFFSET
-        orr     r3, r3, r7
-        add     r0, r4,  #(KERNEL_RAM_VADDR & 0xff000000) >> (SECTION_SHIFT - PMD_ORDER)
-        str     r3, [r0, #(KERNEL_RAM_VADDR & 0x00f00000) >> (SECTION_SHIFT - PMD_ORDER)]!
-        ldr     r6, =(_end - 1)
-        add     r0, r0, #4
+#define XIP_START XIP_VIRT_ADDR(CONFIG_XIP_PHYS_ADDR)
+        mov     r3, pc
+        mov     r3, r3, lsr #SECTION_SHIFT
+        orr     r3, r7, r3, lsl #SECTION_SHIFT
+        add     r0, r4,  #(XIP_START & 0xff000000) >> (SECTION_SHIFT - PMD_ORDER)
+        str     r3, [r0, #((XIP_START & 0x00f00000) >> SECTION_SHIFT) << PMD_ORDER]!
+        ldr     r6, =(_edata_loc - 1)
+        add     r0, r0, #1 << PMD_ORDER
         add     r6, r4, r6, lsr #(SECTION_SHIFT - PMD_ORDER)
 1:      cmp     r0, r6
-        add     r3, r3, #1 << 20
-        strls   r3, [r0], #4
+        add     r3, r3, #1 << SECTION_SHIFT
+        strls   r3, [r0], #1 << PMD_ORDER
         bls     1b
 #endif
 
         /*
-         * Then map boot params address in r2 or the first 1MB (2MB with LPAE)
-         * of ram if boot params address is not specified.
+         * Then map boot params address in r2 if specified.
          */
         mov     r0, r2, lsr #SECTION_SHIFT
         movs    r0, r0, lsl #SECTION_SHIFT
-        moveq   r0, r8
-        sub     r3, r0, r8
-        add     r3, r3, #PAGE_OFFSET
-        add     r3, r4, r3, lsr #(SECTION_SHIFT - PMD_ORDER)
-        orr     r6, r7, r0
-        str     r6, [r3]
+        subne   r3, r0, r8
+        addne   r3, r3, #PAGE_OFFSET
+        addne   r3, r4, r3, lsr #(SECTION_SHIFT - PMD_ORDER)
+        orrne   r6, r7, r0
+        strne   r6, [r3]
 
 #ifdef CONFIG_DEBUG_LL
 #if !defined(CONFIG_DEBUG_ICEDCC) && !defined(CONFIG_DEBUG_SEMIHOSTING)
diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index a02eada3aa5d..ab243b87118d 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -47,17 +47,14 @@ static DEFINE_PER_CPU(struct pmu_hw_events, cpu_hw_events);
 /* Set at runtime when we know what CPU type we are. */
 static struct arm_pmu *cpu_pmu;
 
-enum arm_perf_pmu_ids
-armpmu_get_pmu_id(void)
+const char *perf_pmu_name(void)
 {
-        int id = -ENODEV;
-
-        if (cpu_pmu != NULL)
-                id = cpu_pmu->id;
+        if (!cpu_pmu)
+                return NULL;
 
-        return id;
+        return cpu_pmu->pmu.name;
 }
-EXPORT_SYMBOL_GPL(armpmu_get_pmu_id);
+EXPORT_SYMBOL_GPL(perf_pmu_name);
 
 int perf_num_counters(void)
 {
@@ -760,7 +757,7 @@ init_hw_perf_events(void)
                         cpu_pmu->name, cpu_pmu->num_events);
                 cpu_pmu_init(cpu_pmu);
                 register_cpu_notifier(&pmu_cpu_notifier);
-                armpmu_register(cpu_pmu, "cpu", PERF_TYPE_RAW);
+                armpmu_register(cpu_pmu, cpu_pmu->name, PERF_TYPE_RAW);
         } else {
                 pr_info("no hardware support available\n");
         }
diff --git a/arch/arm/kernel/perf_event_v6.c b/arch/arm/kernel/perf_event_v6.c
index ab627a740fa3..c90fcb2b6967 100644
--- a/arch/arm/kernel/perf_event_v6.c
+++ b/arch/arm/kernel/perf_event_v6.c
@@ -650,7 +650,6 @@ static int armv6_map_event(struct perf_event *event)
 }
 
 static struct arm_pmu armv6pmu = {
-        .id                     = ARM_PERF_PMU_ID_V6,
         .name                   = "v6",
         .handle_irq             = armv6pmu_handle_irq,
         .enable                 = armv6pmu_enable_event,
@@ -685,7 +684,6 @@ static int armv6mpcore_map_event(struct perf_event *event)
 }
 
 static struct arm_pmu armv6mpcore_pmu = {
-        .id                     = ARM_PERF_PMU_ID_V6MP,
         .name                   = "v6mpcore",
         .handle_irq             = armv6pmu_handle_irq,
         .enable                 = armv6pmu_enable_event,
diff --git a/arch/arm/kernel/perf_event_v7.c b/arch/arm/kernel/perf_event_v7.c
index d3c536068162..f04070bd2183 100644
--- a/arch/arm/kernel/perf_event_v7.c
+++ b/arch/arm/kernel/perf_event_v7.c
@@ -1258,7 +1258,6 @@ static u32 __init armv7_read_num_pmnc_events(void)
 
 static struct arm_pmu *__init armv7_a8_pmu_init(void)
 {
-        armv7pmu.id             = ARM_PERF_PMU_ID_CA8;
         armv7pmu.name           = "ARMv7 Cortex-A8";
         armv7pmu.map_event      = armv7_a8_map_event;
         armv7pmu.num_events     = armv7_read_num_pmnc_events();
@@ -1267,7 +1266,6 @@ static struct arm_pmu *__init armv7_a8_pmu_init(void)
 
 static struct arm_pmu *__init armv7_a9_pmu_init(void)
 {
-        armv7pmu.id             = ARM_PERF_PMU_ID_CA9;
         armv7pmu.name           = "ARMv7 Cortex-A9";
         armv7pmu.map_event      = armv7_a9_map_event;
         armv7pmu.num_events     = armv7_read_num_pmnc_events();
@@ -1276,7 +1274,6 @@ static struct arm_pmu *__init armv7_a9_pmu_init(void)
 
 static struct arm_pmu *__init armv7_a5_pmu_init(void)
 {
-        armv7pmu.id             = ARM_PERF_PMU_ID_CA5;
         armv7pmu.name           = "ARMv7 Cortex-A5";
         armv7pmu.map_event      = armv7_a5_map_event;
         armv7pmu.num_events     = armv7_read_num_pmnc_events();
@@ -1285,7 +1282,6 @@ static struct arm_pmu *__init armv7_a5_pmu_init(void)
 
 static struct arm_pmu *__init armv7_a15_pmu_init(void)
 {
-        armv7pmu.id             = ARM_PERF_PMU_ID_CA15;
         armv7pmu.name           = "ARMv7 Cortex-A15";
         armv7pmu.map_event      = armv7_a15_map_event;
         armv7pmu.num_events     = armv7_read_num_pmnc_events();
@@ -1295,7 +1291,6 @@ static struct arm_pmu *__init armv7_a15_pmu_init(void)
 
 static struct arm_pmu *__init armv7_a7_pmu_init(void)
 {
-        armv7pmu.id             = ARM_PERF_PMU_ID_CA7;
         armv7pmu.name           = "ARMv7 Cortex-A7";
         armv7pmu.map_event      = armv7_a7_map_event;
         armv7pmu.num_events     = armv7_read_num_pmnc_events();
diff --git a/arch/arm/kernel/perf_event_xscale.c b/arch/arm/kernel/perf_event_xscale.c
index e34e7254e652..f759fe0bab63 100644
--- a/arch/arm/kernel/perf_event_xscale.c
+++ b/arch/arm/kernel/perf_event_xscale.c
@@ -435,7 +435,6 @@ static int xscale_map_event(struct perf_event *event)
 }
 
 static struct arm_pmu xscale1pmu = {
-        .id             = ARM_PERF_PMU_ID_XSCALE1,
         .name           = "xscale1",
         .handle_irq     = xscale1pmu_handle_irq,
         .enable         = xscale1pmu_enable_event,
@@ -803,7 +802,6 @@ xscale2pmu_write_counter(int counter, u32 val)
 }
 
 static struct arm_pmu xscale2pmu = {
-        .id             = ARM_PERF_PMU_ID_XSCALE2,
         .name           = "xscale2",
         .handle_irq     = xscale2pmu_handle_irq,
         .enable         = xscale2pmu_enable_event,
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 19c95ea65b2f..693b744fd572 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -247,6 +247,7 @@ void machine_shutdown(void)
 void machine_halt(void)
 {
         machine_shutdown();
+        local_irq_disable();
         while (1);
 }
 
@@ -268,6 +269,7 @@ void machine_restart(char *cmd)
 
         /* Whoops - the platform was unable to reboot. Tell the user! */
         printk("Reboot failed -- System halted\n");
+        local_irq_disable();
         while (1);
 }
 
diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index 14e38261cd31..3e0fc5f7ed4b 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -25,6 +25,7 @@
 #include <linux/regset.h>
 #include <linux/audit.h>
 #include <linux/tracehook.h>
+#include <linux/unistd.h>
 
 #include <asm/pgtable.h>
 #include <asm/traps.h>
@@ -907,16 +908,16 @@ long arch_ptrace(struct task_struct *child, long request,
         return ret;
 }
 
-asmlinkage int syscall_trace(int why, struct pt_regs *regs, int scno)
+enum ptrace_syscall_dir {
+        PTRACE_SYSCALL_ENTER = 0,
+        PTRACE_SYSCALL_EXIT,
+};
+
+static int ptrace_syscall_trace(struct pt_regs *regs, int scno,
+                                enum ptrace_syscall_dir dir)
 {
         unsigned long ip;
 
-        if (why)
-                audit_syscall_exit(regs);
-        else
-                audit_syscall_entry(AUDIT_ARCH_ARM, scno, regs->ARM_r0,
-                                    regs->ARM_r1, regs->ARM_r2, regs->ARM_r3);
-
         if (!test_thread_flag(TIF_SYSCALL_TRACE))
                 return scno;
 
@@ -927,14 +928,28 @@ asmlinkage int syscall_trace(int why, struct pt_regs *regs, int scno)
          * IP = 0 -> entry, =1 -> exit
          */
         ip = regs->ARM_ip;
-        regs->ARM_ip = why;
+        regs->ARM_ip = dir;
 
-        if (why)
+        if (dir == PTRACE_SYSCALL_EXIT)
                 tracehook_report_syscall_exit(regs, 0);
         else if (tracehook_report_syscall_entry(regs))
                 current_thread_info()->syscall = -1;
 
         regs->ARM_ip = ip;
-
         return current_thread_info()->syscall;
 }
+
+asmlinkage int syscall_trace_enter(struct pt_regs *regs, int scno)
+{
+        int ret = ptrace_syscall_trace(regs, scno, PTRACE_SYSCALL_ENTER);
+        audit_syscall_entry(AUDIT_ARCH_ARM, scno, regs->ARM_r0, regs->ARM_r1,
+                            regs->ARM_r2, regs->ARM_r3);
+        return ret;
+}
+
+asmlinkage int syscall_trace_exit(struct pt_regs *regs, int scno)
+{
+        int ret = ptrace_syscall_trace(regs, scno, PTRACE_SYSCALL_EXIT);
+        audit_syscall_exit(regs);
+        return ret;
+}
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index e15d83bb4ea3..a81dcecc7343 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -508,7 +508,7 @@ void __init dump_machine_table(void)
                 /* can't use cpu_relax() here as it may require MMU setup */;
 }
 
-int __init arm_add_memory(phys_addr_t start, unsigned long size)
+int __init arm_add_memory(phys_addr_t start, phys_addr_t size)
 {
         struct membank *bank = &meminfo.bank[meminfo.nr_banks];
 
@@ -538,7 +538,7 @@ int __init arm_add_memory(phys_addr_t start, unsigned long size)
         }
 #endif
 
-        bank->size = size & PAGE_MASK;
+        bank->size = size & ~(phys_addr_t)(PAGE_SIZE - 1);
 
         /*
          * Check whether this memory region has non-zero size or
@@ -558,7 +558,7 @@ int __init arm_add_memory(phys_addr_t start, unsigned long size)
 static int __init early_mem(char *p)
 {
         static int usermem __initdata = 0;
-        unsigned long size;
+        phys_addr_t size;
         phys_addr_t start;
         char *endp;
 
diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c
index 536c5d6b340b..f27789e4e38a 100644
--- a/arch/arm/kernel/signal.c
+++ b/arch/arm/kernel/signal.c
@@ -27,7 +27,6 @@
  */
 #define SWI_SYS_SIGRETURN       (0xef000000|(__NR_sigreturn)|(__NR_OABI_SYSCALL_BASE))
 #define SWI_SYS_RT_SIGRETURN    (0xef000000|(__NR_rt_sigreturn)|(__NR_OABI_SYSCALL_BASE))
-#define SWI_SYS_RESTART         (0xef000000|__NR_restart_syscall|__NR_OABI_SYSCALL_BASE)
 
 /*
  * With EABI, the syscall number has to be loaded into r7.
@@ -48,18 +47,6 @@ const unsigned long sigreturn_codes[7] = {
 };
 
 /*
- * Either we support OABI only, or we have EABI with the OABI
- * compat layer enabled.  In the later case we don't know if
- * user space is EABI or not, and if not we must not clobber r7.
- * Always using the OABI syscall solves that issue and works for
- * all those cases.
- */
-const unsigned long syscall_restart_code[2] = {
-        SWI_SYS_RESTART,        /* swi  __NR_restart_syscall */
-        0xe49df004,             /* ldr  pc, [sp], #4 */
-};
-
-/*
  * atomically swap in the new signal mask, and wait for a signal.
  */
 asmlinkage int sys_sigsuspend(int restart, unsigned long oldmask, old_sigset_t mask)
@@ -582,12 +569,13 @@ handle_signal(unsigned long sig, struct k_sigaction *ka,
  * the kernel can handle, and then we build all the user-level signal handling
  * stack-frames in one go after that.
  */
-static void do_signal(struct pt_regs *regs, int syscall)
+static int do_signal(struct pt_regs *regs, int syscall)
 {
         unsigned int retval = 0, continue_addr = 0, restart_addr = 0;
         struct k_sigaction ka;
         siginfo_t info;
         int signr;
+        int restart = 0;
 
         /*
          * If we were from a system call, check for system call restarting...
@@ -602,15 +590,15 @@ static void do_signal(struct pt_regs *regs, int syscall)
                  * debugger will see the already changed PSW.
                  */
                 switch (retval) {
+                case -ERESTART_RESTARTBLOCK:
+                        restart -= 2;
                 case -ERESTARTNOHAND:
                 case -ERESTARTSYS:
                 case -ERESTARTNOINTR:
+                        restart++;
                         regs->ARM_r0 = regs->ARM_ORIG_r0;
                         regs->ARM_pc = restart_addr;
                         break;
-                case -ERESTART_RESTARTBLOCK:
-                        regs->ARM_r0 = -EINTR;
-                        break;
                 }
         }
 
@@ -619,14 +607,17 @@ static void do_signal(struct pt_regs *regs, int syscall)
          * point the debugger may change all our registers ...
          */
         signr = get_signal_to_deliver(&info, &ka, regs, NULL);
+        /*
+         * Depending on the signal settings we may need to revert the
+         * decision to restart the system call.  But skip this if a
+         * debugger has chosen to restart at a different PC.
+         */
+        if (regs->ARM_pc != restart_addr)
+                restart = 0;
         if (signr > 0) {
-                /*
-                 * Depending on the signal settings we may need to revert the
-                 * decision to restart the system call.  But skip this if a
-                 * debugger has chosen to restart at a different PC.
-                 */
-                if (regs->ARM_pc == restart_addr) {
-                        if (retval == -ERESTARTNOHAND
+                if (unlikely(restart)) {
+                        if (retval == -ERESTARTNOHAND ||
+                            retval == -ERESTART_RESTARTBLOCK
                             || (retval == -ERESTARTSYS
                                 && !(ka.sa.sa_flags & SA_RESTART))) {
                                 regs->ARM_r0 = -EINTR;
@@ -635,52 +626,43 @@ static void do_signal(struct pt_regs *regs, int syscall)
                 }
 
                 handle_signal(signr, &ka, &info, regs);
-                return;
-        }
-
-        if (syscall) {
-                /*
-                 * Handle restarting a different system call.  As above,
-                 * if a debugger has chosen to restart at a different PC,
-                 * ignore the restart.
-                 */
-                if (retval == -ERESTART_RESTARTBLOCK
-                    && regs->ARM_pc == continue_addr) {
-                        if (thumb_mode(regs)) {
-                                regs->ARM_r7 = __NR_restart_syscall - __NR_SYSCALL_BASE;
-                                regs->ARM_pc -= 2;
-                        } else {
-#if defined(CONFIG_AEABI) && !defined(CONFIG_OABI_COMPAT)
-                                regs->ARM_r7 = __NR_restart_syscall;
-                                regs->ARM_pc -= 4;
-#else
-                                u32 __user *usp;
-
-                                regs->ARM_sp -= 4;
-                                usp = (u32 __user *)regs->ARM_sp;
-
-                                if (put_user(regs->ARM_pc, usp) == 0) {
-                                        regs->ARM_pc = KERN_RESTART_CODE;
-                                } else {
-                                        regs->ARM_sp += 4;
-                                        force_sigsegv(0, current);
-                                }
-#endif
-                        }
-                }
+                return 0;
         }
 
         restore_saved_sigmask();
+        if (unlikely(restart))
+                regs->ARM_pc = continue_addr;
+        return restart;
 }
 
-asmlinkage void
-do_notify_resume(struct pt_regs *regs, unsigned int thread_flags, int syscall)
+asmlinkage int
+do_work_pending(struct pt_regs *regs, unsigned int thread_flags, int syscall)
 {
-        if (thread_flags & _TIF_SIGPENDING)
-                do_signal(regs, syscall);
-
-        if (thread_flags & _TIF_NOTIFY_RESUME) {
-                clear_thread_flag(TIF_NOTIFY_RESUME);
-                tracehook_notify_resume(regs);
-        }
+        do {
+                if (likely(thread_flags & _TIF_NEED_RESCHED)) {
+                        schedule();
+                } else {
+                        if (unlikely(!user_mode(regs)))
+                                return 0;
+                        local_irq_enable();
+                        if (thread_flags & _TIF_SIGPENDING) {
+                                int restart = do_signal(regs, syscall);
+                                if (unlikely(restart)) {
+                                        /*
+                                         * Restart without handlers.
+                                         * Deal with it without leaving
+                                         * the kernel space.
+                                         */
+                                        return restart;
+                                }
+                                syscall = 0;
+                        } else {
+                                clear_thread_flag(TIF_NOTIFY_RESUME);
+                                tracehook_notify_resume(regs);
+                        }
+                }
+                local_irq_disable();
+                thread_flags = current_thread_info()->flags;
+        } while (thread_flags & _TIF_WORK_MASK);
+        return 0;
 }
diff --git a/arch/arm/kernel/signal.h b/arch/arm/kernel/signal.h
index 6fcfe8398aa4..5ff067b7c752 100644
--- a/arch/arm/kernel/signal.h
+++ b/arch/arm/kernel/signal.h
@@ -8,7 +8,5 @@
  * published by the Free Software Foundation.
  */
 #define KERN_SIGRETURN_CODE     (CONFIG_VECTORS_BASE + 0x00000500)
-#define KERN_RESTART_CODE       (KERN_SIGRETURN_CODE + sizeof(sigreturn_codes))
 
 extern const unsigned long sigreturn_codes[7];
-extern const unsigned long syscall_restart_code[2];
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 2c7217d971db..ebd8ad274d76 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -179,7 +179,7 @@ void __ref cpu_die(void)
         mb();
 
         /* Tell __cpu_die() that this CPU is now safe to dispose of */
-        complete(&cpu_died);
+        RCU_NONIDLE(complete(&cpu_died));
 
         /*
          * actual CPU shutdown procedure is at least platform (if not
@@ -563,7 +563,8 @@ void smp_send_stop(void)
 
         cpumask_copy(&mask, cpu_online_mask);
         cpumask_clear_cpu(smp_processor_id(), &mask);
-        smp_cross_call(&mask, IPI_CPU_STOP);
+        if (!cpumask_empty(&mask))
+                smp_cross_call(&mask, IPI_CPU_STOP);
 
         /* Wait up to one second for other CPUs to stop */
         timeout = USEC_PER_SEC;
diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c
index 8200deaa14f6..198b08456e90 100644
--- a/arch/arm/kernel/topology.c
+++ b/arch/arm/kernel/topology.c
@@ -17,11 +17,190 @@
 #include <linux/percpu.h>
 #include <linux/node.h>
 #include <linux/nodemask.h>
+#include <linux/of.h>
 #include <linux/sched.h>
+#include <linux/slab.h>
 
 #include <asm/cputype.h>
 #include <asm/topology.h>
 
+/*
+ * cpu power scale management
+ */
+
+/*
+ * cpu power table
+ * This per cpu data structure describes the relative capacity of each core.
+ * On a heteregenous system, cores don't have the same computation capacity
+ * and we reflect that difference in the cpu_power field so the scheduler can
+ * take this difference into account during load balance. A per cpu structure
+ * is preferred because each CPU updates its own cpu_power field during the
+ * load balance except for idle cores. One idle core is selected to run the
+ * rebalance_domains for all idle cores and the cpu_power can be updated
+ * during this sequence.
+ */
+static DEFINE_PER_CPU(unsigned long, cpu_scale);
+
+unsigned long arch_scale_freq_power(struct sched_domain *sd, int cpu)
+{
+        return per_cpu(cpu_scale, cpu);
+}
+
+static void set_power_scale(unsigned int cpu, unsigned long power)
+{
+        per_cpu(cpu_scale, cpu) = power;
+}
+
+#ifdef CONFIG_OF
+struct cpu_efficiency {
+        const char *compatible;
+        unsigned long efficiency;
+};
+
+/*
+ * Table of relative efficiency of each processors
+ * The efficiency value must fit in 20bit and the final
+ * cpu_scale value must be in the range
+ *   0 < cpu_scale < 3*SCHED_POWER_SCALE/2
+ * in order to return at most 1 when DIV_ROUND_CLOSEST
+ * is used to compute the capacity of a CPU.
+ * Processors that are not defined in the table,
+ * use the default SCHED_POWER_SCALE value for cpu_scale.
+ */
+struct cpu_efficiency table_efficiency[] = {
+        {"arm,cortex-a15", 3891},
+        {"arm,cortex-a7",  2048},
+        {NULL, },
+};
+
+struct cpu_capacity {
+        unsigned long hwid;
+        unsigned long capacity;
+};
+
+struct cpu_capacity *cpu_capacity;
+
+unsigned long middle_capacity = 1;
+
+/*
+ * Iterate all CPUs' descriptor in DT and compute the efficiency
+ * (as per table_efficiency). Also calculate a middle efficiency
+ * as close as possible to  (max{eff_i} - min{eff_i}) / 2
+ * This is later used to scale the cpu_power field such that an
+ * 'average' CPU is of middle power. Also see the comments near
+ * table_efficiency[] and update_cpu_power().
+ */
+static void __init parse_dt_topology(void)
+{
+        struct cpu_efficiency *cpu_eff;
+        struct device_node *cn = NULL;
+        unsigned long min_capacity = (unsigned long)(-1);
+        unsigned long max_capacity = 0;
+        unsigned long capacity = 0;
+        int alloc_size, cpu = 0;
+
+        alloc_size = nr_cpu_ids * sizeof(struct cpu_capacity);
+        cpu_capacity = (struct cpu_capacity *)kzalloc(alloc_size, GFP_NOWAIT);
+
+        while ((cn = of_find_node_by_type(cn, "cpu"))) {
+                const u32 *rate, *reg;
+                int len;
+
+                if (cpu >= num_possible_cpus())
+                        break;
+
+                for (cpu_eff = table_efficiency; cpu_eff->compatible; cpu_eff++)
+                        if (of_device_is_compatible(cn, cpu_eff->compatible))
+                                break;
+
+                if (cpu_eff->compatible == NULL)
+                        continue;
+
+                rate = of_get_property(cn, "clock-frequency", &len);
+                if (!rate || len != 4) {
+                        pr_err("%s missing clock-frequency property\n",
+                                cn->full_name);
+                        continue;
+                }
+
+                reg = of_get_property(cn, "reg", &len);
+                if (!reg || len != 4) {
+                        pr_err("%s missing reg property\n", cn->full_name);
+                        continue;
+                }
+
+                capacity = ((be32_to_cpup(rate)) >> 20) * cpu_eff->efficiency;
+
+                /* Save min capacity of the system */
+                if (capacity < min_capacity)
+                        min_capacity = capacity;
+
+                /* Save max capacity of the system */
+                if (capacity > max_capacity)
+                        max_capacity = capacity;
+
+                cpu_capacity[cpu].capacity = capacity;
+                cpu_capacity[cpu++].hwid = be32_to_cpup(reg);
+        }
+
+        if (cpu < num_possible_cpus())
+                cpu_capacity[cpu].hwid = (unsigned long)(-1);
+
+        /* If min and max capacities are equals, we bypass the update of the
+         * cpu_scale because all CPUs have the same capacity. Otherwise, we
+         * compute a middle_capacity factor that will ensure that the capacity
+         * of an 'average' CPU of the system will be as close as possible to
+         * SCHED_POWER_SCALE, which is the default value, but with the
+         * constraint explained near table_efficiency[].
+         */
+        if (min_capacity == max_capacity)
+                cpu_capacity[0].hwid = (unsigned long)(-1);
+        else if (4*max_capacity < (3*(max_capacity + min_capacity)))
+                middle_capacity = (min_capacity + max_capacity)
+                                >> (SCHED_POWER_SHIFT+1);
+        else
+                middle_capacity = ((max_capacity / 3)
+                                >> (SCHED_POWER_SHIFT-1)) + 1;
+
+}
+
+/*
+ * Look for a customed capacity of a CPU in the cpu_capacity table during the
+ * boot. The update of all CPUs is in O(n^2) for heteregeneous system but the
+ * function returns directly for SMP system.
+ */
+void update_cpu_power(unsigned int cpu, unsigned long hwid)
+{
+        unsigned int idx = 0;
+
+        /* look for the cpu's hwid in the cpu capacity table */
+        for (idx = 0; idx < num_possible_cpus(); idx++) {
+                if (cpu_capacity[idx].hwid == hwid)
+                        break;
+
+                if (cpu_capacity[idx].hwid == -1)
+                        return;
+        }
+
+        if (idx == num_possible_cpus())
+                return;
+
+        set_power_scale(cpu, cpu_capacity[idx].capacity / middle_capacity);
+
+        printk(KERN_INFO "CPU%u: update cpu_power %lu\n",
+                cpu, arch_scale_freq_power(NULL, cpu));
+}
+
+#else
+static inline void parse_dt_topology(void) {}
+static inline void update_cpu_power(unsigned int cpuid, unsigned int mpidr) {}
+#endif
+
+
+/*
+ * cpu topology management
+ */
+
 #define MPIDR_SMP_BITMASK (0x3 << 30)
 #define MPIDR_SMP_VALUE (0x2 << 30)
 
@@ -31,6 +210,7 @@
  * These masks reflect the current use of the affinity levels.
  * The affinity level can be up to 16 bits according to ARM ARM
  */
+#define MPIDR_HWID_BITMASK 0xFFFFFF
 
 #define MPIDR_LEVEL0_MASK 0x3
 #define MPIDR_LEVEL0_SHIFT 0
@@ -41,6 +221,9 @@
 #define MPIDR_LEVEL2_MASK 0xFF
 #define MPIDR_LEVEL2_SHIFT 16
 
+/*
+ * cpu topology table
+ */
 struct cputopo_arm cpu_topology[NR_CPUS];
 
 const struct cpumask *cpu_coregroup_mask(int cpu)
@@ -48,6 +231,32 @@ const struct cpumask *cpu_coregroup_mask(int cpu)
         return &cpu_topology[cpu].core_sibling;
 }
 
+void update_siblings_masks(unsigned int cpuid)
+{
+        struct cputopo_arm *cpu_topo, *cpuid_topo = &cpu_topology[cpuid];
+        int cpu;
+
+        /* update core and thread sibling masks */
+        for_each_possible_cpu(cpu) {
+                cpu_topo = &cpu_topology[cpu];
+
+                if (cpuid_topo->socket_id != cpu_topo->socket_id)
+                        continue;
+
+                cpumask_set_cpu(cpuid, &cpu_topo->core_sibling);
+                if (cpu != cpuid)
+                        cpumask_set_cpu(cpu, &cpuid_topo->core_sibling);
+
+                if (cpuid_topo->core_id != cpu_topo->core_id)
+                        continue;
+
+                cpumask_set_cpu(cpuid, &cpu_topo->thread_sibling);
+                if (cpu != cpuid)
+                        cpumask_set_cpu(cpu, &cpuid_topo->thread_sibling);
+        }
+        smp_wmb();
+}
+
 /*
  * store_cpu_topology is called at boot when only one cpu is running
  * and with the mutex cpu_hotplug.lock locked, when several cpus have booted,
@@ -57,7 +266,6 @@ void store_cpu_topology(unsigned int cpuid)
 {
         struct cputopo_arm *cpuid_topo = &cpu_topology[cpuid];
         unsigned int mpidr;
-        unsigned int cpu;
 
         /* If the cpu topology has been already set, just return */
         if (cpuid_topo->core_id != -1)
@@ -99,26 +307,9 @@ void store_cpu_topology(unsigned int cpuid)
                 cpuid_topo->socket_id = -1;
         }
 
-        /* update core and thread sibling masks */
-        for_each_possible_cpu(cpu) {
-                struct cputopo_arm *cpu_topo = &cpu_topology[cpu];
-
-                if (cpuid_topo->socket_id == cpu_topo->socket_id) {
-                        cpumask_set_cpu(cpuid, &cpu_topo->core_sibling);
-                        if (cpu != cpuid)
-                                cpumask_set_cpu(cpu,
-                                        &cpuid_topo->core_sibling);
-
-                        if (cpuid_topo->core_id == cpu_topo->core_id) {
-                                cpumask_set_cpu(cpuid,
-                                        &cpu_topo->thread_sibling);
-                                if (cpu != cpuid)
-                                        cpumask_set_cpu(cpu,
-                                                &cpuid_topo->thread_sibling);
-                        }
-                }
-        }
-        smp_wmb();
+        update_siblings_masks(cpuid);
+
+        update_cpu_power(cpuid, mpidr & MPIDR_HWID_BITMASK);
 
         printk(KERN_INFO "CPU%u: thread %d, cpu %d, socket %d, mpidr %x\n",
                 cpuid, cpu_topology[cpuid].thread_id,
@@ -134,7 +325,7 @@ void init_cpu_topology(void)
 {
         unsigned int cpu;
 
-        /* init core mask */
+        /* init core mask and power*/
         for_each_possible_cpu(cpu) {
                 struct cputopo_arm *cpu_topo = &(cpu_topology[cpu]);
 
@@ -143,6 +334,10 @@ void init_cpu_topology(void)
                 cpu_topo->socket_id = -1;
                 cpumask_clear(&cpu_topo->core_sibling);
                 cpumask_clear(&cpu_topo->thread_sibling);
+
+                set_power_scale(cpu, SCHED_POWER_SCALE);
         }
         smp_wmb();
+
+        parse_dt_topology();
 }
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 3647170e9a16..f7945218b8c6 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -233,9 +233,9 @@ void show_stack(struct task_struct *tsk, unsigned long *sp)
 #define S_ISA " ARM"
 #endif
 
-static int __die(const char *str, int err, struct thread_info *thread, struct pt_regs *regs)
+static int __die(const char *str, int err, struct pt_regs *regs)
 {
-        struct task_struct *tsk = thread->task;
+        struct task_struct *tsk = current;
         static int die_counter;
         int ret;
 
@@ -245,12 +245,12 @@ static int __die(const char *str, int err, struct thread_info *thread, struct pt
         /* trap and error numbers are mostly meaningless on ARM */
         ret = notify_die(DIE_OOPS, str, regs, err, tsk->thread.trap_no, SIGSEGV);
         if (ret == NOTIFY_STOP)
-                return ret;
+                return 1;
 
         print_modules();
         __show_regs(regs);
         printk(KERN_EMERG "Process %.*s (pid: %d, stack limit = 0x%p)\n",
-                TASK_COMM_LEN, tsk->comm, task_pid_nr(tsk), thread + 1);
+                TASK_COMM_LEN, tsk->comm, task_pid_nr(tsk), end_of_stack(tsk));
 
         if (!user_mode(regs) || in_interrupt()) {
                 dump_mem(KERN_EMERG, "Stack: ", regs->ARM_sp,
@@ -259,45 +259,77 @@ static int __die(const char *str, int err, struct thread_info *thread, struct pt
                 dump_instr(KERN_EMERG, regs);
         }
 
-        return ret;
+        return 0;
 }
 
-static DEFINE_RAW_SPINLOCK(die_lock);
+static arch_spinlock_t die_lock = __ARCH_SPIN_LOCK_UNLOCKED;
+static int die_owner = -1;
+static unsigned int die_nest_count;
 
-/*
- * This function is protected against re-entrancy.
- */
-void die(const char *str, struct pt_regs *regs, int err)
+static unsigned long oops_begin(void)
 {
-        struct thread_info *thread = current_thread_info();
-        int ret;
-        enum bug_trap_type bug_type = BUG_TRAP_TYPE_NONE;
+        int cpu;
+        unsigned long flags;
 
         oops_enter();
 
-        raw_spin_lock_irq(&die_lock);
+        /* racy, but better than risking deadlock. */
+        raw_local_irq_save(flags);
+        cpu = smp_processor_id();
+        if (!arch_spin_trylock(&die_lock)) {
+                if (cpu == die_owner)
+                        /* nested oops. should stop eventually */;
+                else
+                        arch_spin_lock(&die_lock);
+        }
+        die_nest_count++;
+        die_owner = cpu;
         console_verbose();
         bust_spinlocks(1);
-        if (!user_mode(regs))
-                bug_type = report_bug(regs->ARM_pc, regs);
-        if (bug_type != BUG_TRAP_TYPE_NONE)
-                str = "Oops - BUG";
-        ret = __die(str, err, thread, regs);
+        return flags;
+}
 
-        if (regs && kexec_should_crash(thread->task))
+static void oops_end(unsigned long flags, struct pt_regs *regs, int signr)
+{
+        if (regs && kexec_should_crash(current))
                 crash_kexec(regs);
 
         bust_spinlocks(0);
+        die_owner = -1;
         add_taint(TAINT_DIE);
-        raw_spin_unlock_irq(&die_lock);
+        die_nest_count--;
+        if (!die_nest_count)
+                /* Nest count reaches zero, release the lock. */
+                arch_spin_unlock(&die_lock);
+        raw_local_irq_restore(flags);
         oops_exit();
 
         if (in_interrupt())
                 panic("Fatal exception in interrupt");
         if (panic_on_oops)
                 panic("Fatal exception");
-        if (ret != NOTIFY_STOP)
-                do_exit(SIGSEGV);
+        if (signr)
+                do_exit(signr);
+}
+
+/*
+ * This function is protected against re-entrancy.
+ */
+void die(const char *str, struct pt_regs *regs, int err)
+{
+        enum bug_trap_type bug_type = BUG_TRAP_TYPE_NONE;
+        unsigned long flags = oops_begin();
+        int sig = SIGSEGV;
+
+        if (!user_mode(regs))
+                bug_type = report_bug(regs->ARM_pc, regs);
+        if (bug_type != BUG_TRAP_TYPE_NONE)
+                str = "Oops - BUG";
+
+        if (__die(str, err, regs))
+                sig = 0;
+
+        oops_end(flags, regs, sig);
 }
 
 void arm_notify_die(const char *str, struct pt_regs *regs,
@@ -370,18 +402,10 @@ static int call_undef_hook(struct pt_regs *regs, unsigned int instr)
 
 asmlinkage void __exception do_undefinstr(struct pt_regs *regs)
 {
-        unsigned int correction = thumb_mode(regs) ? 2 : 4;
         unsigned int instr;
         siginfo_t info;
         void __user *pc;
 
-        /*
-         * According to the ARM ARM, PC is 2 or 4 bytes ahead,
-         * depending whether we're in Thumb mode or not.
-         * Correct this offset.
-         */
-        regs->ARM_pc -= correction;
-
         pc = (void __user *)instruction_pointer(regs);
 
         if (processor_mode(regs) == SVC_MODE) {
@@ -820,8 +844,6 @@ void __init early_trap_init(void *vectors_base)
          */
         memcpy((void *)(vectors + KERN_SIGRETURN_CODE - CONFIG_VECTORS_BASE),
                sigreturn_codes, sizeof(sigreturn_codes));
-        memcpy((void *)(vectors + KERN_RESTART_CODE - CONFIG_VECTORS_BASE),
-               syscall_restart_code, sizeof(syscall_restart_code));
 
         flush_icache_range(vectors, vectors + PAGE_SIZE);
         modify_domain(DOMAIN_USER, DOMAIN_CLIENT);
diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile
index 992769ae2599..2473fd1fd51c 100644
--- a/arch/arm/lib/Makefile
+++ b/arch/arm/lib/Makefile
@@ -6,9 +6,8 @@
 
 lib-y           := backtrace.o changebit.o csumipv6.o csumpartial.o   \
                    csumpartialcopy.o csumpartialcopyuser.o clearbit.o \
-                   delay.o findbit.o memchr.o memcpy.o                \
+                   delay.o delay-loop.o findbit.o memchr.o memcpy.o   \
                    memmove.o memset.o memzero.o setbit.o              \
-                   strncpy_from_user.o strnlen_user.o                 \
                    strchr.o strrchr.o                                 \
                    testchangebit.o testclearbit.o testsetbit.o        \
                    ashldi3.o ashrdi3.o lshrdi3.o muldi3.o             \
diff --git a/arch/arm/lib/delay.S b/arch/arm/lib/delay-loop.S
index 3c9a05c8d20b..36b668d8e121 100644
--- a/arch/arm/lib/delay.S
+++ b/arch/arm/lib/delay-loop.S
@@ -9,11 +9,11 @@
  */
 #include <linux/linkage.h>
 #include <asm/assembler.h>
-#include <asm/param.h>
+#include <asm/delay.h>
                 .text
 
 .LC0:           .word   loops_per_jiffy
-.LC1:           .word   (2199023*HZ)>>11
+.LC1:           .word   UDELAY_MULT
 
 /*
  * r0  <= 2000
@@ -21,10 +21,10 @@
  * HZ  <= 1000
  */
 
-ENTRY(__udelay)
+ENTRY(__loop_udelay)
                 ldr     r2, .LC1
                 mul     r0, r2, r0
-ENTRY(__const_udelay)                           @ 0 <= r0 <= 0x7fffff06
+ENTRY(__loop_const_udelay)                      @ 0 <= r0 <= 0x7fffff06
                 mov     r1, #-1
                 ldr     r2, .LC0
                 ldr     r2, [r2]                @ max = 0x01ffffff
@@ -39,12 +39,10 @@ ENTRY(__const_udelay)				@ 0 <= r0 <= 0x7fffff06
 
 /*
  * loops = r0 * HZ * loops_per_jiffy / 1000000
- *
- * Oh, if only we had a cycle counter...
  */
 
 @ Delay routine
-ENTRY(__delay)
+ENTRY(__loop_delay)
                 subs    r0, r0, #1
 #if 0
                 movls   pc, lr
@@ -62,8 +60,8 @@ ENTRY(__delay)
                 movls   pc, lr
                 subs    r0, r0, #1
 #endif
-                bhi     __delay
+                bhi     __loop_delay
                 mov     pc, lr
-ENDPROC(__udelay)
-ENDPROC(__const_udelay)
-ENDPROC(__delay)
+ENDPROC(__loop_udelay)
+ENDPROC(__loop_const_udelay)
+ENDPROC(__loop_delay)
diff --git a/arch/arm/lib/delay.c b/arch/arm/lib/delay.c
new file mode 100644
index 000000000000..d6dacc69254e
--- /dev/null
+++ b/arch/arm/lib/delay.c
@@ -0,0 +1,71 @@
+/*
+ * Delay loops based on the OpenRISC implementation.
+ *
+ * Copyright (C) 2012 ARM Limited
+ *
+ * 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
+ *
+ * Author: Will Deacon <will.deacon@arm.com>
+ */
+
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/timex.h>
+
+/*
+ * Default to the loop-based delay implementation.
+ */
+struct arm_delay_ops arm_delay_ops = {
+        .delay          = __loop_delay,
+        .const_udelay   = __loop_const_udelay,
+        .udelay         = __loop_udelay,
+};
+
+#ifdef ARCH_HAS_READ_CURRENT_TIMER
+static void __timer_delay(unsigned long cycles)
+{
+        cycles_t start = get_cycles();
+
+        while ((get_cycles() - start) < cycles)
+                cpu_relax();
+}
+
+static void __timer_const_udelay(unsigned long xloops)
+{
+        unsigned long long loops = xloops;
+        loops *= loops_per_jiffy;
+        __timer_delay(loops >> UDELAY_SHIFT);
+}
+
+static void __timer_udelay(unsigned long usecs)
+{
+        __timer_const_udelay(usecs * UDELAY_MULT);
+}
+
+void __init init_current_timer_delay(unsigned long freq)
+{
+        pr_info("Switching to timer-based delay loop\n");
+        lpj_fine                        = freq / HZ;
+        arm_delay_ops.delay             = __timer_delay;
+        arm_delay_ops.const_udelay      = __timer_const_udelay;
+        arm_delay_ops.udelay            = __timer_udelay;
+}
+
+unsigned long __cpuinit calibrate_delay_is_known(void)
+{
+        return lpj_fine;
+}
+#endif
diff --git a/arch/arm/lib/io-acorn.S b/arch/arm/lib/io-acorn.S
index 1b197ea7aab3..69719bad674d 100644
--- a/arch/arm/lib/io-acorn.S
+++ b/arch/arm/lib/io-acorn.S
@@ -11,13 +11,14 @@
  *
  */
 #include <linux/linkage.h>
+#include <linux/kern_levels.h>
 #include <asm/assembler.h>
 
                 .text
                 .align
 
 .Liosl_warning:
-                .ascii  "<4>insl/outsl not implemented, called from %08lX\0"
+                .ascii  KERN_WARNING "insl/outsl not implemented, called from %08lX\0"
                 .align
 
 /*
diff --git a/arch/arm/lib/strncpy_from_user.S b/arch/arm/lib/strncpy_from_user.S
deleted file mode 100644
index f202d7bd1647..000000000000
--- a/arch/arm/lib/strncpy_from_user.S
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- *  linux/arch/arm/lib/strncpy_from_user.S
- *
- *  Copyright (C) 1995-2000 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.
- */
-#include <linux/linkage.h>
-#include <asm/assembler.h>
-#include <asm/errno.h>
-
-        .text
-        .align  5
-
-/*
- * Copy a string from user space to kernel space.
- *  r0 = dst, r1 = src, r2 = byte length
- * returns the number of characters copied (strlen of copied string),
- *  -EFAULT on exception, or "len" if we fill the whole buffer
- */
-ENTRY(__strncpy_from_user)
-        mov     ip, r1
-1:      subs    r2, r2, #1
-        ldrusr  r3, r1, 1, pl
-        bmi     2f
-        strb    r3, [r0], #1
-        teq     r3, #0
-        bne     1b
-        sub     r1, r1, #1      @ take NUL character out of count
-2:      sub     r0, r1, ip
-        mov     pc, lr
-ENDPROC(__strncpy_from_user)
-
-        .pushsection .fixup,"ax"
-        .align  0
-9001:   mov     r3, #0
-        strb    r3, [r0, #0]    @ null terminate
-        mov     r0, #-EFAULT
-        mov     pc, lr
-        .popsection
-
diff --git a/arch/arm/lib/strnlen_user.S b/arch/arm/lib/strnlen_user.S
deleted file mode 100644
index 0ecbb459c4f1..000000000000
--- a/arch/arm/lib/strnlen_user.S
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- *  linux/arch/arm/lib/strnlen_user.S
- *
- *  Copyright (C) 1995-2000 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.
- */
-#include <linux/linkage.h>
-#include <asm/assembler.h>
-#include <asm/errno.h>
-
-        .text
-        .align  5
-
-/* Prototype: unsigned long __strnlen_user(const char *str, long n)
- * Purpose  : get length of a string in user memory
- * Params   : str - address of string in user memory
- * Returns  : length of string *including terminator*
- *            or zero on exception, or n + 1 if too long
- */
-ENTRY(__strnlen_user)
-        mov     r2, r0
-1:
-        ldrusr  r3, r0, 1
-        teq     r3, #0
-        beq     2f
-        subs    r1, r1, #1
-        bne     1b
-        add     r0, r0, #1
-2:      sub     r0, r0, r2
-        mov     pc, lr
-ENDPROC(__strnlen_user)
-
-        .pushsection .fixup,"ax"
-        .align  0
-9001:   mov     r0, #0
-        mov     pc, lr
-        .popsection
diff --git a/arch/arm/mach-at91/at91sam9g45.c b/arch/arm/mach-at91/at91sam9g45.c
index 977127368a7d..ef6cedd52e3c 100644
--- a/arch/arm/mach-at91/at91sam9g45.c
+++ b/arch/arm/mach-at91/at91sam9g45.c
@@ -183,6 +183,13 @@ static struct clk adc_op_clk = {
         .rate_hz        = 13200000,
 };
 
+/* AES/TDES/SHA clock - Only for sam9m11/sam9g56 */
+static struct clk aestdessha_clk = {
+        .name           = "aestdessha_clk",
+        .pmc_mask       = 1 << AT91SAM9G45_ID_AESTDESSHA,
+        .type           = CLK_TYPE_PERIPHERAL,
+};
+
 static struct clk *periph_clocks[] __initdata = {
         &pioA_clk,
         &pioB_clk,
@@ -212,6 +219,7 @@ static struct clk *periph_clocks[] __initdata = {
         &udphs_clk,
         &mmc1_clk,
         &adc_op_clk,
+        &aestdessha_clk,
         // irq0
 };
 
@@ -232,6 +240,9 @@ static struct clk_lookup periph_clocks_lookups[] = {
         CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk),
         CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk),
         CLKDEV_CON_DEV_ID(NULL, "atmel-trng", &trng_clk),
+        CLKDEV_CON_DEV_ID(NULL, "atmel_sha", &aestdessha_clk),
+        CLKDEV_CON_DEV_ID(NULL, "atmel_tdes", &aestdessha_clk),
+        CLKDEV_CON_DEV_ID(NULL, "atmel_aes", &aestdessha_clk),
         /* more usart lookup table for DT entries */
         CLKDEV_CON_DEV_ID("usart", "ffffee00.serial", &mck),
         CLKDEV_CON_DEV_ID("usart", "fff8c000.serial", &usart0_clk),
@@ -388,7 +399,7 @@ static unsigned int at91sam9g45_default_irq_priority[NR_AIC_IRQS] __initdata = {
         3,      /* Ethernet */
         0,      /* Image Sensor Interface */
         2,      /* USB Device High speed port */
-        0,
+        0,      /* AESTDESSHA Crypto HW Accelerators */
         0,      /* Multimedia Card Interface 1 */
         0,
         0,      /* Advanced Interrupt Controller (IRQ0) */
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c
index 40fb79df2de0..06073996a382 100644
--- a/arch/arm/mach-at91/at91sam9g45_devices.c
+++ b/arch/arm/mach-at91/at91sam9g45_devices.c
@@ -18,6 +18,7 @@
 #include <linux/platform_device.h>
 #include <linux/i2c-gpio.h>
 #include <linux/atmel-mci.h>
+#include <linux/platform_data/atmel-aes.h>
 
 #include <linux/platform_data/at91_adc.h>
 
@@ -1830,6 +1831,130 @@ void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {}
 void __init at91_add_device_serial(void) {}
 #endif
 
+/* --------------------------------------------------------------------
+ *  SHA1/SHA256
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_CRYPTO_DEV_ATMEL_SHA) || defined(CONFIG_CRYPTO_DEV_ATMEL_SHA_MODULE)
+static struct resource sha_resources[] = {
+        {
+                .start  = AT91SAM9G45_BASE_SHA,
+                .end    = AT91SAM9G45_BASE_SHA + SZ_16K - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = AT91SAM9G45_ID_AESTDESSHA,
+                .end    = AT91SAM9G45_ID_AESTDESSHA,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device at91sam9g45_sha_device = {
+        .name   = "atmel_sha",
+        .id             = -1,
+        .resource       = sha_resources,
+        .num_resources  = ARRAY_SIZE(sha_resources),
+};
+
+static void __init at91_add_device_sha(void)
+{
+        platform_device_register(&at91sam9g45_sha_device);
+}
+#else
+static void __init at91_add_device_sha(void) {}
+#endif
+
+/* --------------------------------------------------------------------
+ *  DES/TDES
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_CRYPTO_DEV_ATMEL_TDES) || defined(CONFIG_CRYPTO_DEV_ATMEL_TDES_MODULE)
+static struct resource tdes_resources[] = {
+        [0] = {
+                .start  = AT91SAM9G45_BASE_TDES,
+                .end    = AT91SAM9G45_BASE_TDES + SZ_16K - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = AT91SAM9G45_ID_AESTDESSHA,
+                .end    = AT91SAM9G45_ID_AESTDESSHA,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device at91sam9g45_tdes_device = {
+        .name   = "atmel_tdes",
+        .id             = -1,
+        .resource       = tdes_resources,
+        .num_resources  = ARRAY_SIZE(tdes_resources),
+};
+
+static void __init at91_add_device_tdes(void)
+{
+        platform_device_register(&at91sam9g45_tdes_device);
+}
+#else
+static void __init at91_add_device_tdes(void) {}
+#endif
+
+/* --------------------------------------------------------------------
+ *  AES
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_CRYPTO_DEV_ATMEL_AES) || defined(CONFIG_CRYPTO_DEV_ATMEL_AES_MODULE)
+static struct aes_platform_data aes_data;
+static u64 aes_dmamask = DMA_BIT_MASK(32);
+
+static struct resource aes_resources[] = {
+        [0] = {
+                .start  = AT91SAM9G45_BASE_AES,
+                .end    = AT91SAM9G45_BASE_AES + SZ_16K - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = AT91SAM9G45_ID_AESTDESSHA,
+                .end    = AT91SAM9G45_ID_AESTDESSHA,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device at91sam9g45_aes_device = {
+        .name   = "atmel_aes",
+        .id             = -1,
+        .dev    = {
+                .dma_mask               = &aes_dmamask,
+                .coherent_dma_mask      = DMA_BIT_MASK(32),
+                .platform_data          = &aes_data,
+        },
+        .resource       = aes_resources,
+        .num_resources  = ARRAY_SIZE(aes_resources),
+};
+
+static void __init at91_add_device_aes(void)
+{
+        struct at_dma_slave     *atslave;
+        struct aes_dma_data     *alt_atslave;
+
+        alt_atslave = kzalloc(sizeof(struct aes_dma_data), GFP_KERNEL);
+
+        /* DMA TX slave channel configuration */
+        atslave = &alt_atslave->txdata;
+        atslave->dma_dev = &at_hdmac_device.dev;
+        atslave->cfg = ATC_FIFOCFG_ENOUGHSPACE  | ATC_SRC_H2SEL_HW |
+                                                ATC_SRC_PER(AT_DMA_ID_AES_RX);
+
+        /* DMA RX slave channel configuration */
+        atslave = &alt_atslave->rxdata;
+        atslave->dma_dev = &at_hdmac_device.dev;
+        atslave->cfg = ATC_FIFOCFG_ENOUGHSPACE  | ATC_DST_H2SEL_HW |
+                                                ATC_DST_PER(AT_DMA_ID_AES_TX);
+
+        aes_data.dma_slave = alt_atslave;
+        platform_device_register(&at91sam9g45_aes_device);
+}
+#else
+static void __init at91_add_device_aes(void) {}
+#endif
 
 /* -------------------------------------------------------------------- */
 /*
@@ -1847,6 +1972,9 @@ static int __init at91_add_standard_devices(void)
         at91_add_device_trng();
         at91_add_device_watchdog();
         at91_add_device_tc();
+        at91_add_device_sha();
+        at91_add_device_tdes();
+        at91_add_device_aes();
         return 0;
 }
 
diff --git a/arch/arm/mach-at91/include/mach/at91sam9g45.h b/arch/arm/mach-at91/include/mach/at91sam9g45.h
index 3a4da24d5911..8eba1021f533 100644
--- a/arch/arm/mach-at91/include/mach/at91sam9g45.h
+++ b/arch/arm/mach-at91/include/mach/at91sam9g45.h
@@ -136,6 +136,8 @@
 #define AT_DMA_ID_SSC1_RX        8
 #define AT_DMA_ID_AC97_TX        9
 #define AT_DMA_ID_AC97_RX       10
+#define AT_DMA_ID_AES_TX        11
+#define AT_DMA_ID_AES_RX        12
 #define AT_DMA_ID_MCI1          13
 
 #endif
diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index d1624a315c9a..783eab6845c4 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -546,6 +546,7 @@ static struct lcd_ctrl_config lcd_cfg = {
         .sync_edge              = 0,
         .sync_ctrl              = 1,
         .raster_order           = 0,
+        .fifo_th                = 6,
 };
 
 struct da8xx_lcdc_platform_data sharp_lcd035q3dg01_pdata = {
diff --git a/arch/arm/mach-exynos/clock-exynos4.c b/arch/arm/mach-exynos/clock-exynos4.c
index 26fe9de35ecb..2f51293c1875 100644
--- a/arch/arm/mach-exynos/clock-exynos4.c
+++ b/arch/arm/mach-exynos/clock-exynos4.c
@@ -620,10 +620,6 @@ static struct clk exynos4_init_clocks_off[] = {
                 .enable         = exynos4_clk_ip_peril_ctrl,
                 .ctrlbit        = (1 << 27),
         }, {
-                .name           = "fimg2d",
-                .enable         = exynos4_clk_ip_image_ctrl,
-                .ctrlbit        = (1 << 0),
-        }, {
                 .name           = "mfc",
                 .devname        = "s5p-mfc",
                 .enable         = exynos4_clk_ip_mfc_ctrl,
@@ -819,47 +815,21 @@ static struct clk *exynos4_clkset_mout_g2d0_list[] = {
         [1] = &exynos4_clk_sclk_apll.clk,
 };
 
-static struct clksrc_sources exynos4_clkset_mout_g2d0 = {
+struct clksrc_sources exynos4_clkset_mout_g2d0 = {
         .sources        = exynos4_clkset_mout_g2d0_list,
         .nr_sources     = ARRAY_SIZE(exynos4_clkset_mout_g2d0_list),
 };
 
-static struct clksrc_clk exynos4_clk_mout_g2d0 = {
-        .clk    = {
-                .name           = "mout_g2d0",
-        },
-        .sources = &exynos4_clkset_mout_g2d0,
-        .reg_src = { .reg = EXYNOS4_CLKSRC_IMAGE, .shift = 0, .size = 1 },
-};
-
 static struct clk *exynos4_clkset_mout_g2d1_list[] = {
         [0] = &exynos4_clk_mout_epll.clk,
         [1] = &exynos4_clk_sclk_vpll.clk,
 };
 
-static struct clksrc_sources exynos4_clkset_mout_g2d1 = {
+struct clksrc_sources exynos4_clkset_mout_g2d1 = {
         .sources        = exynos4_clkset_mout_g2d1_list,
         .nr_sources     = ARRAY_SIZE(exynos4_clkset_mout_g2d1_list),
 };
 
-static struct clksrc_clk exynos4_clk_mout_g2d1 = {
-        .clk    = {
-                .name           = "mout_g2d1",
-        },
-        .sources = &exynos4_clkset_mout_g2d1,
-        .reg_src = { .reg = EXYNOS4_CLKSRC_IMAGE, .shift = 4, .size = 1 },
-};
-
-static struct clk *exynos4_clkset_mout_g2d_list[] = {
-        [0] = &exynos4_clk_mout_g2d0.clk,
-        [1] = &exynos4_clk_mout_g2d1.clk,
-};
-
-static struct clksrc_sources exynos4_clkset_mout_g2d = {
-        .sources        = exynos4_clkset_mout_g2d_list,
-        .nr_sources     = ARRAY_SIZE(exynos4_clkset_mout_g2d_list),
-};
-
 static struct clk *exynos4_clkset_mout_mfc0_list[] = {
         [0] = &exynos4_clk_mout_mpll.clk,
         [1] = &exynos4_clk_sclk_apll.clk,
@@ -1126,13 +1096,6 @@ static struct clksrc_clk exynos4_clksrcs[] = {
                 .reg_div = { .reg = EXYNOS4_CLKDIV_LCD0, .shift = 0, .size = 4 },
         }, {
                 .clk    = {
-                        .name           = "sclk_fimg2d",
-                },
-                .sources = &exynos4_clkset_mout_g2d,
-                .reg_src = { .reg = EXYNOS4_CLKSRC_IMAGE, .shift = 8, .size = 1 },
-                .reg_div = { .reg = EXYNOS4_CLKDIV_IMAGE, .shift = 0, .size = 4 },
-        }, {
-                .clk    = {
                         .name           = "sclk_mfc",
                         .devname        = "s5p-mfc",
                 },
diff --git a/arch/arm/mach-exynos/clock-exynos4.h b/arch/arm/mach-exynos/clock-exynos4.h
index 28a119701182..bd12d5f8b63d 100644
--- a/arch/arm/mach-exynos/clock-exynos4.h
+++ b/arch/arm/mach-exynos/clock-exynos4.h
@@ -23,6 +23,9 @@ extern struct clksrc_sources exynos4_clkset_group;
 extern struct clk *exynos4_clkset_aclk_top_list[];
 extern struct clk *exynos4_clkset_group_list[];
 
+extern struct clksrc_sources exynos4_clkset_mout_g2d0;
+extern struct clksrc_sources exynos4_clkset_mout_g2d1;
+
 extern int exynos4_clksrc_mask_fsys_ctrl(struct clk *clk, int enable);
 extern int exynos4_clk_ip_fsys_ctrl(struct clk *clk, int enable);
 extern int exynos4_clk_ip_lcd1_ctrl(struct clk *clk, int enable);
diff --git a/arch/arm/mach-exynos/clock-exynos4210.c b/arch/arm/mach-exynos/clock-exynos4210.c
index b8689ff60baf..fed4c26e9dad 100644
--- a/arch/arm/mach-exynos/clock-exynos4210.c
+++ b/arch/arm/mach-exynos/clock-exynos4210.c
@@ -48,6 +48,32 @@ static struct clksrc_clk *sysclks[] = {
         /* nothing here yet */
 };
 
+static struct clksrc_clk exynos4210_clk_mout_g2d0 = {
+        .clk    = {
+                .name           = "mout_g2d0",
+        },
+        .sources = &exynos4_clkset_mout_g2d0,
+        .reg_src = { .reg = EXYNOS4_CLKSRC_IMAGE, .shift = 0, .size = 1 },
+};
+
+static struct clksrc_clk exynos4210_clk_mout_g2d1 = {
+        .clk    = {
+                .name           = "mout_g2d1",
+        },
+        .sources = &exynos4_clkset_mout_g2d1,
+        .reg_src = { .reg = EXYNOS4_CLKSRC_IMAGE, .shift = 4, .size = 1 },
+};
+
+static struct clk *exynos4210_clkset_mout_g2d_list[] = {
+        [0] = &exynos4210_clk_mout_g2d0.clk,
+        [1] = &exynos4210_clk_mout_g2d1.clk,
+};
+
+static struct clksrc_sources exynos4210_clkset_mout_g2d = {
+        .sources        = exynos4210_clkset_mout_g2d_list,
+        .nr_sources     = ARRAY_SIZE(exynos4210_clkset_mout_g2d_list),
+};
+
 static int exynos4_clksrc_mask_lcd1_ctrl(struct clk *clk, int enable)
 {
         return s5p_gatectrl(EXYNOS4210_CLKSRC_MASK_LCD1, clk, enable);
@@ -74,6 +100,13 @@ static struct clksrc_clk clksrcs[] = {
                 .sources = &exynos4_clkset_group,
                 .reg_src = { .reg = EXYNOS4210_CLKSRC_LCD1, .shift = 0, .size = 4 },
                 .reg_div = { .reg = EXYNOS4210_CLKDIV_LCD1, .shift = 0, .size = 4 },
+        }, {
+                .clk    = {
+                        .name           = "sclk_fimg2d",
+                },
+                .sources = &exynos4210_clkset_mout_g2d,
+                .reg_src = { .reg = EXYNOS4_CLKSRC_IMAGE, .shift = 8, .size = 1 },
+                .reg_div = { .reg = EXYNOS4_CLKDIV_IMAGE, .shift = 0, .size = 4 },
         },
 };
 
@@ -105,6 +138,10 @@ static struct clk init_clocks_off[] = {
                 .devname        = SYSMMU_CLOCK_DEVNAME(fimd1, 11),
                 .enable         = exynos4_clk_ip_lcd1_ctrl,
                 .ctrlbit        = (1 << 4),
+        }, {
+                .name           = "fimg2d",
+                .enable         = exynos4_clk_ip_image_ctrl,
+                .ctrlbit        = (1 << 0),
         },
 };
 
diff --git a/arch/arm/mach-exynos/clock-exynos4212.c b/arch/arm/mach-exynos/clock-exynos4212.c
index da397d21bbcf..8fba0b5fb8ab 100644
--- a/arch/arm/mach-exynos/clock-exynos4212.c
+++ b/arch/arm/mach-exynos/clock-exynos4212.c
@@ -68,12 +68,45 @@ static struct clksrc_clk clk_mout_mpll_user = {
         .reg_src        = { .reg = EXYNOS4_CLKSRC_CPU, .shift = 24, .size = 1 },
 };
 
+static struct clksrc_clk exynos4x12_clk_mout_g2d0 = {
+        .clk    = {
+                .name           = "mout_g2d0",
+        },
+        .sources = &exynos4_clkset_mout_g2d0,
+        .reg_src = { .reg = EXYNOS4_CLKSRC_DMC, .shift = 20, .size = 1 },
+};
+
+static struct clksrc_clk exynos4x12_clk_mout_g2d1 = {
+        .clk    = {
+                .name           = "mout_g2d1",
+        },
+        .sources = &exynos4_clkset_mout_g2d1,
+        .reg_src = { .reg = EXYNOS4_CLKSRC_DMC, .shift = 24, .size = 1 },
+};
+
+static struct clk *exynos4x12_clkset_mout_g2d_list[] = {
+        [0] = &exynos4x12_clk_mout_g2d0.clk,
+        [1] = &exynos4x12_clk_mout_g2d1.clk,
+};
+
+static struct clksrc_sources exynos4x12_clkset_mout_g2d = {
+        .sources        = exynos4x12_clkset_mout_g2d_list,
+        .nr_sources     = ARRAY_SIZE(exynos4x12_clkset_mout_g2d_list),
+};
+
 static struct clksrc_clk *sysclks[] = {
         &clk_mout_mpll_user,
 };
 
 static struct clksrc_clk clksrcs[] = {
-        /* nothing here yet */
+        {
+                .clk    = {
+                        .name           = "sclk_fimg2d",
+                },
+                .sources = &exynos4x12_clkset_mout_g2d,
+                .reg_src = { .reg = EXYNOS4_CLKSRC_DMC, .shift = 28, .size = 1 },
+                .reg_div = { .reg = EXYNOS4_CLKDIV_DMC1, .shift = 0, .size = 4 },
+        },
 };
 
 static struct clk init_clocks_off[] = {
@@ -102,7 +135,11 @@ static struct clk init_clocks_off[] = {
                 .devname        = "exynos-fimc-lite.1",
                 .enable         = exynos4212_clk_ip_isp0_ctrl,
                 .ctrlbit        = (1 << 3),
-        }
+        }, {
+                .name           = "fimg2d",
+                .enable         = exynos4_clk_ip_dmc_ctrl,
+                .ctrlbit        = (1 << 23),
+        },
 };
 
 #ifdef CONFIG_PM_SLEEP
diff --git a/arch/arm/mach-exynos/mach-nuri.c b/arch/arm/mach-exynos/mach-nuri.c
index f98a83a81ce7..ea785fcaf6c3 100644
--- a/arch/arm/mach-exynos/mach-nuri.c
+++ b/arch/arm/mach-exynos/mach-nuri.c
@@ -1066,12 +1066,8 @@ static struct platform_device nuri_max8903_device = {
 static void __init nuri_power_init(void)
 {
         int gpio;
-        int irq_base = IRQ_GPIO_END + 1;
         int ta_en = 0;
 
-        nuri_max8997_pdata.irq_base = irq_base;
-        irq_base += MAX8997_IRQ_NR;
-
         gpio = EXYNOS4_GPX0(7);
         gpio_request(gpio, "AP_PMIC_IRQ");
         s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(0xf));
diff --git a/arch/arm/mach-exynos/mach-origen.c b/arch/arm/mach-exynos/mach-origen.c
index 5a12dc26f496..5ca80307d6d7 100644
--- a/arch/arm/mach-exynos/mach-origen.c
+++ b/arch/arm/mach-exynos/mach-origen.c
@@ -426,7 +426,6 @@ static struct max8997_platform_data __initdata origen_max8997_pdata = {
         .buck1_gpiodvs  = false,
         .buck2_gpiodvs  = false,
         .buck5_gpiodvs  = false,
-        .irq_base       = IRQ_GPIO_END + 1,
 
         .ignore_gpiodvs_side_effect = true,
         .buck125_default_idx = 0x0,
diff --git a/arch/arm/mach-imx/mm-imx25.c b/arch/arm/mach-imx/mm-imx25.c
index 388928fdb11a..f3f5c6542ab4 100644
--- a/arch/arm/mach-imx/mm-imx25.c
+++ b/arch/arm/mach-imx/mm-imx25.c
@@ -89,11 +89,11 @@ static const struct resource imx25_audmux_res[] __initconst = {
 
 void __init imx25_soc_init(void)
 {
-        /* i.mx25 has the i.mx31 type gpio */
-        mxc_register_gpio("imx31-gpio", 0, MX25_GPIO1_BASE_ADDR, SZ_16K, MX25_INT_GPIO1, 0);
-        mxc_register_gpio("imx31-gpio", 1, MX25_GPIO2_BASE_ADDR, SZ_16K, MX25_INT_GPIO2, 0);
-        mxc_register_gpio("imx31-gpio", 2, MX25_GPIO3_BASE_ADDR, SZ_16K, MX25_INT_GPIO3, 0);
-        mxc_register_gpio("imx31-gpio", 3, MX25_GPIO4_BASE_ADDR, SZ_16K, MX25_INT_GPIO4, 0);
+        /* i.mx25 has the i.mx35 type gpio */
+        mxc_register_gpio("imx35-gpio", 0, MX25_GPIO1_BASE_ADDR, SZ_16K, MX25_INT_GPIO1, 0);
+        mxc_register_gpio("imx35-gpio", 1, MX25_GPIO2_BASE_ADDR, SZ_16K, MX25_INT_GPIO2, 0);
+        mxc_register_gpio("imx35-gpio", 2, MX25_GPIO3_BASE_ADDR, SZ_16K, MX25_INT_GPIO3, 0);
+        mxc_register_gpio("imx35-gpio", 3, MX25_GPIO4_BASE_ADDR, SZ_16K, MX25_INT_GPIO4, 0);
 
         pinctrl_provide_dummies();
         /* i.mx25 has the i.mx35 type sdma */
diff --git a/arch/arm/mach-imx/mm-imx3.c b/arch/arm/mach-imx/mm-imx3.c
index fe96105109b3..9d2c843bde02 100644
--- a/arch/arm/mach-imx/mm-imx3.c
+++ b/arch/arm/mach-imx/mm-imx3.c
@@ -272,10 +272,9 @@ void __init imx35_soc_init(void)
 
         imx3_init_l2x0();
 
-        /* i.mx35 has the i.mx31 type gpio */
-        mxc_register_gpio("imx31-gpio", 0, MX35_GPIO1_BASE_ADDR, SZ_16K, MX35_INT_GPIO1, 0);
-        mxc_register_gpio("imx31-gpio", 1, MX35_GPIO2_BASE_ADDR, SZ_16K, MX35_INT_GPIO2, 0);
-        mxc_register_gpio("imx31-gpio", 2, MX35_GPIO3_BASE_ADDR, SZ_16K, MX35_INT_GPIO3, 0);
+        mxc_register_gpio("imx35-gpio", 0, MX35_GPIO1_BASE_ADDR, SZ_16K, MX35_INT_GPIO1, 0);
+        mxc_register_gpio("imx35-gpio", 1, MX35_GPIO2_BASE_ADDR, SZ_16K, MX35_INT_GPIO2, 0);
+        mxc_register_gpio("imx35-gpio", 2, MX35_GPIO3_BASE_ADDR, SZ_16K, MX35_INT_GPIO3, 0);
 
         pinctrl_provide_dummies();
         if (to_version == 1) {
diff --git a/arch/arm/mach-imx/mm-imx5.c b/arch/arm/mach-imx/mm-imx5.c
index f19d604e1b2a..52d8f534be10 100644
--- a/arch/arm/mach-imx/mm-imx5.c
+++ b/arch/arm/mach-imx/mm-imx5.c
@@ -161,13 +161,13 @@ static const struct resource imx53_audmux_res[] __initconst = {
 
 void __init imx50_soc_init(void)
 {
-        /* i.mx50 has the i.mx31 type gpio */
-        mxc_register_gpio("imx31-gpio", 0, MX50_GPIO1_BASE_ADDR, SZ_16K, MX50_INT_GPIO1_LOW, MX50_INT_GPIO1_HIGH);
-        mxc_register_gpio("imx31-gpio", 1, MX50_GPIO2_BASE_ADDR, SZ_16K, MX50_INT_GPIO2_LOW, MX50_INT_GPIO2_HIGH);
-        mxc_register_gpio("imx31-gpio", 2, MX50_GPIO3_BASE_ADDR, SZ_16K, MX50_INT_GPIO3_LOW, MX50_INT_GPIO3_HIGH);
-        mxc_register_gpio("imx31-gpio", 3, MX50_GPIO4_BASE_ADDR, SZ_16K, MX50_INT_GPIO4_LOW, MX50_INT_GPIO4_HIGH);
-        mxc_register_gpio("imx31-gpio", 4, MX50_GPIO5_BASE_ADDR, SZ_16K, MX50_INT_GPIO5_LOW, MX50_INT_GPIO5_HIGH);
-        mxc_register_gpio("imx31-gpio", 5, MX50_GPIO6_BASE_ADDR, SZ_16K, MX50_INT_GPIO6_LOW, MX50_INT_GPIO6_HIGH);
+        /* i.mx50 has the i.mx35 type gpio */
+        mxc_register_gpio("imx35-gpio", 0, MX50_GPIO1_BASE_ADDR, SZ_16K, MX50_INT_GPIO1_LOW, MX50_INT_GPIO1_HIGH);
+        mxc_register_gpio("imx35-gpio", 1, MX50_GPIO2_BASE_ADDR, SZ_16K, MX50_INT_GPIO2_LOW, MX50_INT_GPIO2_HIGH);
+        mxc_register_gpio("imx35-gpio", 2, MX50_GPIO3_BASE_ADDR, SZ_16K, MX50_INT_GPIO3_LOW, MX50_INT_GPIO3_HIGH);
+        mxc_register_gpio("imx35-gpio", 3, MX50_GPIO4_BASE_ADDR, SZ_16K, MX50_INT_GPIO4_LOW, MX50_INT_GPIO4_HIGH);
+        mxc_register_gpio("imx35-gpio", 4, MX50_GPIO5_BASE_ADDR, SZ_16K, MX50_INT_GPIO5_LOW, MX50_INT_GPIO5_HIGH);
+        mxc_register_gpio("imx35-gpio", 5, MX50_GPIO6_BASE_ADDR, SZ_16K, MX50_INT_GPIO6_LOW, MX50_INT_GPIO6_HIGH);
 
         /* i.mx50 has the i.mx31 type audmux */
         platform_device_register_simple("imx31-audmux", 0, imx50_audmux_res,
@@ -176,11 +176,11 @@ void __init imx50_soc_init(void)
 
 void __init imx51_soc_init(void)
 {
-        /* i.mx51 has the i.mx31 type gpio */
-        mxc_register_gpio("imx31-gpio", 0, MX51_GPIO1_BASE_ADDR, SZ_16K, MX51_INT_GPIO1_LOW, MX51_INT_GPIO1_HIGH);
-        mxc_register_gpio("imx31-gpio", 1, MX51_GPIO2_BASE_ADDR, SZ_16K, MX51_INT_GPIO2_LOW, MX51_INT_GPIO2_HIGH);
-        mxc_register_gpio("imx31-gpio", 2, MX51_GPIO3_BASE_ADDR, SZ_16K, MX51_INT_GPIO3_LOW, MX51_INT_GPIO3_HIGH);
-        mxc_register_gpio("imx31-gpio", 3, MX51_GPIO4_BASE_ADDR, SZ_16K, MX51_INT_GPIO4_LOW, MX51_INT_GPIO4_HIGH);
+        /* i.mx51 has the i.mx35 type gpio */
+        mxc_register_gpio("imx35-gpio", 0, MX51_GPIO1_BASE_ADDR, SZ_16K, MX51_INT_GPIO1_LOW, MX51_INT_GPIO1_HIGH);
+        mxc_register_gpio("imx35-gpio", 1, MX51_GPIO2_BASE_ADDR, SZ_16K, MX51_INT_GPIO2_LOW, MX51_INT_GPIO2_HIGH);
+        mxc_register_gpio("imx35-gpio", 2, MX51_GPIO3_BASE_ADDR, SZ_16K, MX51_INT_GPIO3_LOW, MX51_INT_GPIO3_HIGH);
+        mxc_register_gpio("imx35-gpio", 3, MX51_GPIO4_BASE_ADDR, SZ_16K, MX51_INT_GPIO4_LOW, MX51_INT_GPIO4_HIGH);
 
         pinctrl_provide_dummies();
 
@@ -198,14 +198,14 @@ void __init imx51_soc_init(void)
 
 void __init imx53_soc_init(void)
 {
-        /* i.mx53 has the i.mx31 type gpio */
-        mxc_register_gpio("imx31-gpio", 0, MX53_GPIO1_BASE_ADDR, SZ_16K, MX53_INT_GPIO1_LOW, MX53_INT_GPIO1_HIGH);
-        mxc_register_gpio("imx31-gpio", 1, MX53_GPIO2_BASE_ADDR, SZ_16K, MX53_INT_GPIO2_LOW, MX53_INT_GPIO2_HIGH);
-        mxc_register_gpio("imx31-gpio", 2, MX53_GPIO3_BASE_ADDR, SZ_16K, MX53_INT_GPIO3_LOW, MX53_INT_GPIO3_HIGH);
-        mxc_register_gpio("imx31-gpio", 3, MX53_GPIO4_BASE_ADDR, SZ_16K, MX53_INT_GPIO4_LOW, MX53_INT_GPIO4_HIGH);
-        mxc_register_gpio("imx31-gpio", 4, MX53_GPIO5_BASE_ADDR, SZ_16K, MX53_INT_GPIO5_LOW, MX53_INT_GPIO5_HIGH);
-        mxc_register_gpio("imx31-gpio", 5, MX53_GPIO6_BASE_ADDR, SZ_16K, MX53_INT_GPIO6_LOW, MX53_INT_GPIO6_HIGH);
-        mxc_register_gpio("imx31-gpio", 6, MX53_GPIO7_BASE_ADDR, SZ_16K, MX53_INT_GPIO7_LOW, MX53_INT_GPIO7_HIGH);
+        /* i.mx53 has the i.mx35 type gpio */
+        mxc_register_gpio("imx35-gpio", 0, MX53_GPIO1_BASE_ADDR, SZ_16K, MX53_INT_GPIO1_LOW, MX53_INT_GPIO1_HIGH);
+        mxc_register_gpio("imx35-gpio", 1, MX53_GPIO2_BASE_ADDR, SZ_16K, MX53_INT_GPIO2_LOW, MX53_INT_GPIO2_HIGH);
+        mxc_register_gpio("imx35-gpio", 2, MX53_GPIO3_BASE_ADDR, SZ_16K, MX53_INT_GPIO3_LOW, MX53_INT_GPIO3_HIGH);
+        mxc_register_gpio("imx35-gpio", 3, MX53_GPIO4_BASE_ADDR, SZ_16K, MX53_INT_GPIO4_LOW, MX53_INT_GPIO4_HIGH);
+        mxc_register_gpio("imx35-gpio", 4, MX53_GPIO5_BASE_ADDR, SZ_16K, MX53_INT_GPIO5_LOW, MX53_INT_GPIO5_HIGH);
+        mxc_register_gpio("imx35-gpio", 5, MX53_GPIO6_BASE_ADDR, SZ_16K, MX53_INT_GPIO6_LOW, MX53_INT_GPIO6_HIGH);
+        mxc_register_gpio("imx35-gpio", 6, MX53_GPIO7_BASE_ADDR, SZ_16K, MX53_INT_GPIO7_LOW, MX53_INT_GPIO7_HIGH);
 
         pinctrl_provide_dummies();
         /* i.mx53 has the i.mx35 type sdma */
diff --git a/arch/arm/mach-msm/platsmp.c b/arch/arm/mach-msm/platsmp.c
index db0117ec55f4..e012dc8391cf 100644
--- a/arch/arm/mach-msm/platsmp.c
+++ b/arch/arm/mach-msm/platsmp.c
@@ -127,7 +127,7 @@ int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)
          * the boot monitor to read the system wide flags register,
          * and branch to the address found there.
          */
-        gic_raise_softirq(cpumask_of(cpu), 1);
+        gic_raise_softirq(cpumask_of(cpu), 0);
 
         timeout = jiffies + (1 * HZ);
         while (time_before(jiffies, timeout)) {
diff --git a/arch/arm/mach-netx/fb.c b/arch/arm/mach-netx/fb.c
index 2cdf6ef69bee..d122ee6ab991 100644
--- a/arch/arm/mach-netx/fb.c
+++ b/arch/arm/mach-netx/fb.c
@@ -69,29 +69,6 @@ void netx_clcd_remove(struct clcd_fb *fb)
                               fb->fb.screen_base, fb->fb.fix.smem_start);
 }
 
-void clk_disable(struct clk *clk)
-{
-}
-
-int clk_set_rate(struct clk *clk, unsigned long rate)
-{
-        return 0;
-}
-
-int clk_enable(struct clk *clk)
-{
-        return 0;
-}
-
-struct clk *clk_get(struct device *dev, const char *id)
-{
-        return dev && strcmp(dev_name(dev), "fb") == 0 ? NULL : ERR_PTR(-ENOENT);
-}
-
-void clk_put(struct clk *clk)
-{
-}
-
 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-omap1/board-h2-mmc.c b/arch/arm/mach-omap1/board-h2-mmc.c
index da0e37d40823..e1362ce48497 100644
--- a/arch/arm/mach-omap1/board-h2-mmc.c
+++ b/arch/arm/mach-omap1/board-h2-mmc.c
@@ -54,7 +54,6 @@ static struct omap_mmc_platform_data mmc1_data = {
         .nr_slots                       = 1,
         .init                           = mmc_late_init,
         .cleanup                        = mmc_cleanup,
-        .dma_mask                       = 0xffffffff,
         .slots[0]       = {
                 .set_power              = mmc_set_power,
                 .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
diff --git a/arch/arm/mach-omap1/board-h3-mmc.c b/arch/arm/mach-omap1/board-h3-mmc.c
index f8242aa9b763..c74daace8cd6 100644
--- a/arch/arm/mach-omap1/board-h3-mmc.c
+++ b/arch/arm/mach-omap1/board-h3-mmc.c
@@ -36,7 +36,6 @@ static int mmc_set_power(struct device *dev, int slot, int power_on,
  */
 static struct omap_mmc_platform_data mmc1_data = {
         .nr_slots                       = 1,
-        .dma_mask                       = 0xffffffff,
         .slots[0]       = {
                 .set_power              = mmc_set_power,
                 .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
diff --git a/arch/arm/mach-omap1/board-nokia770.c b/arch/arm/mach-omap1/board-nokia770.c
index 4007a372481b..2c0ca8fc3380 100644
--- a/arch/arm/mach-omap1/board-nokia770.c
+++ b/arch/arm/mach-omap1/board-nokia770.c
@@ -185,7 +185,6 @@ static int nokia770_mmc_get_cover_state(struct device *dev, int slot)
 
 static struct omap_mmc_platform_data nokia770_mmc2_data = {
         .nr_slots                       = 1,
-        .dma_mask                       = 0xffffffff,
         .max_freq                       = 12000000,
         .slots[0]       = {
                 .set_power              = nokia770_mmc_set_power,
diff --git a/arch/arm/mach-omap1/board-palmz71.c b/arch/arm/mach-omap1/board-palmz71.c
index cc71a26723ef..355980321c2d 100644
--- a/arch/arm/mach-omap1/board-palmz71.c
+++ b/arch/arm/mach-omap1/board-palmz71.c
@@ -288,8 +288,7 @@ palmz71_gpio_setup(int early)
                 }
                 gpio_direction_input(PALMZ71_USBDETECT_GPIO);
                 if (request_irq(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
-                                palmz71_powercable, IRQF_SAMPLE_RANDOM,
-                                "palmz71-cable", NULL))
+                                palmz71_powercable, 0, "palmz71-cable", NULL))
                         printk(KERN_ERR
                                         "IRQ request for power cable failed!\n");
                 palmz71_powercable(gpio_to_irq(PALMZ71_USBDETECT_GPIO), NULL);
diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c
index 2c5d0ed75285..677357ff61ac 100644
--- a/arch/arm/mach-omap2/board-n8x0.c
+++ b/arch/arm/mach-omap2/board-n8x0.c
@@ -468,7 +468,6 @@ static struct omap_mmc_platform_data mmc1_data = {
         .cleanup                        = n8x0_mmc_cleanup,
         .shutdown                       = n8x0_mmc_shutdown,
         .max_freq                       = 24000000,
-        .dma_mask                       = 0xffffffff,
         .slots[0] = {
                 .wires                  = 4,
                 .set_power              = n8x0_mmc_set_power,
diff --git a/arch/arm/mach-omap2/clock3xxx_data.c b/arch/arm/mach-omap2/clock3xxx_data.c
index 91b3d5c60bfe..83bed9ad3017 100644
--- a/arch/arm/mach-omap2/clock3xxx_data.c
+++ b/arch/arm/mach-omap2/clock3xxx_data.c
@@ -3376,15 +3376,15 @@ static struct omap_clk omap3xxx_clks[] = {
         CLK(NULL,       "usbhost_48m_fck", &usbhost_48m_fck, CK_3430ES2PLUS | CK_AM35XX | CK_36XX),
         CLK(NULL,       "usbhost_ick",  &usbhost_ick,   CK_3430ES2PLUS | CK_AM35XX | CK_36XX),
         CLK("usbhs_omap",       "usbhost_ick",  &usbhost_ick,   CK_3430ES2PLUS | CK_AM35XX | CK_36XX),
-        CLK("usbhs_omap",       "utmi_p1_gfclk",        &dummy_ck,      CK_3XXX),
-        CLK("usbhs_omap",       "utmi_p2_gfclk",        &dummy_ck,      CK_3XXX),
-        CLK("usbhs_omap",       "xclk60mhsp1_ck",       &dummy_ck,      CK_3XXX),
-        CLK("usbhs_omap",       "xclk60mhsp2_ck",       &dummy_ck,      CK_3XXX),
-        CLK("usbhs_omap",       "usb_host_hs_utmi_p1_clk",      &dummy_ck,      CK_3XXX),
-        CLK("usbhs_omap",       "usb_host_hs_utmi_p2_clk",      &dummy_ck,      CK_3XXX),
+        CLK(NULL,       "utmi_p1_gfclk",        &dummy_ck,      CK_3XXX),
+        CLK(NULL,       "utmi_p2_gfclk",        &dummy_ck,      CK_3XXX),
+        CLK(NULL,       "xclk60mhsp1_ck",       &dummy_ck,      CK_3XXX),
+        CLK(NULL,       "xclk60mhsp2_ck",       &dummy_ck,      CK_3XXX),
+        CLK(NULL,       "usb_host_hs_utmi_p1_clk",      &dummy_ck,      CK_3XXX),
+        CLK(NULL,       "usb_host_hs_utmi_p2_clk",      &dummy_ck,      CK_3XXX),
         CLK("usbhs_omap",       "usb_tll_hs_usb_ch0_clk",       &dummy_ck,      CK_3XXX),
         CLK("usbhs_omap",       "usb_tll_hs_usb_ch1_clk",       &dummy_ck,      CK_3XXX),
-        CLK("usbhs_omap",       "init_60m_fclk",        &dummy_ck,      CK_3XXX),
+        CLK(NULL,       "init_60m_fclk",        &dummy_ck,      CK_3XXX),
         CLK(NULL,       "usim_fck",     &usim_fck,      CK_3430ES2PLUS | CK_36XX),
         CLK(NULL,       "gpt1_fck",     &gpt1_fck,      CK_3XXX),
         CLK(NULL,       "wkup_32k_fck", &wkup_32k_fck,  CK_3XXX),
diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c
index 5fb47a14f4ba..af1ed7d24a1f 100644
--- a/arch/arm/mach-omap2/display.c
+++ b/arch/arm/mach-omap2/display.c
@@ -37,6 +37,7 @@
 
 #define DISPC_CONTROL           0x0040
 #define DISPC_CONTROL2          0x0238
+#define DISPC_CONTROL3          0x0848
 #define DISPC_IRQSTATUS         0x0018
 
 #define DSS_SYSCONFIG           0x10
@@ -52,6 +53,7 @@
 #define EVSYNC_EVEN_IRQ_SHIFT   2
 #define EVSYNC_ODD_IRQ_SHIFT    3
 #define FRAMEDONE2_IRQ_SHIFT    22
+#define FRAMEDONE3_IRQ_SHIFT    30
 #define FRAMEDONETV_IRQ_SHIFT   24
 
 /*
@@ -376,7 +378,7 @@ int __init omap_display_init(struct omap_dss_board_info *board_data)
 static void dispc_disable_outputs(void)
 {
         u32 v, irq_mask = 0;
-        bool lcd_en, digit_en, lcd2_en = false;
+        bool lcd_en, digit_en, lcd2_en = false, lcd3_en = false;
         int i;
         struct omap_dss_dispc_dev_attr *da;
         struct omap_hwmod *oh;
@@ -405,7 +407,13 @@ static void dispc_disable_outputs(void)
                 lcd2_en = v & LCD_EN_MASK;
         }
 
-        if (!(lcd_en | digit_en | lcd2_en))
+        /* store value of LCDENABLE for LCD3 */
+        if (da->manager_count > 3) {
+                v = omap_hwmod_read(oh, DISPC_CONTROL3);
+                lcd3_en = v & LCD_EN_MASK;
+        }
+
+        if (!(lcd_en | digit_en | lcd2_en | lcd3_en))
                 return; /* no managers currently enabled */
 
         /*
@@ -426,10 +434,12 @@ static void dispc_disable_outputs(void)
 
         if (lcd2_en)
                 irq_mask |= 1 << FRAMEDONE2_IRQ_SHIFT;
+        if (lcd3_en)
+                irq_mask |= 1 << FRAMEDONE3_IRQ_SHIFT;
 
         /*
          * clear any previous FRAMEDONE, FRAMEDONETV,
-         * EVSYNC_EVEN/ODD or FRAMEDONE2 interrupts
+         * EVSYNC_EVEN/ODD, FRAMEDONE2 or FRAMEDONE3 interrupts
          */
         omap_hwmod_write(irq_mask, oh, DISPC_IRQSTATUS);
 
@@ -445,12 +455,19 @@ static void dispc_disable_outputs(void)
                 omap_hwmod_write(v, oh, DISPC_CONTROL2);
         }
 
+        /* disable LCD3 manager */
+        if (da->manager_count > 3) {
+                v = omap_hwmod_read(oh, DISPC_CONTROL3);
+                v &= ~LCD_EN_MASK;
+                omap_hwmod_write(v, oh, DISPC_CONTROL3);
+        }
+
         i = 0;
         while ((omap_hwmod_read(oh, DISPC_IRQSTATUS) & irq_mask) !=
                irq_mask) {
                 i++;
                 if (i > FRAMEDONE_IRQ_TIMEOUT) {
-                        pr_err("didn't get FRAMEDONE1/2 or TV interrupt\n");
+                        pr_err("didn't get FRAMEDONE1/2/3 or TV interrupt\n");
                         break;
                 }
                 mdelay(1);
diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c
index be697d4e0843..a9675d8d1822 100644
--- a/arch/arm/mach-omap2/hsmmc.c
+++ b/arch/arm/mach-omap2/hsmmc.c
@@ -315,7 +315,6 @@ static int __init omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c,
         mmc->slots[0].caps = c->caps;
         mmc->slots[0].pm_caps = c->pm_caps;
         mmc->slots[0].internal_clock = !c->ext_clock;
-        mmc->dma_mask = 0xffffffff;
         mmc->max_freq = c->max_freq;
         if (cpu_is_omap44xx())
                 mmc->reg_offset = OMAP4_MMC_REG_OFFSET;
diff --git a/arch/arm/mach-omap2/omap-smp.c b/arch/arm/mach-omap2/omap-smp.c
index 7d118b9bdd5f..9a35adf91232 100644
--- a/arch/arm/mach-omap2/omap-smp.c
+++ b/arch/arm/mach-omap2/omap-smp.c
@@ -125,7 +125,7 @@ int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)
                 booted = true;
         }
 
-        gic_raise_softirq(cpumask_of(cpu), 1);
+        gic_raise_softirq(cpumask_of(cpu), 0);
 
         /*
          * Now the secondary core is starting up let it run its
diff --git a/arch/arm/mach-pxa/eseries.h b/arch/arm/mach-pxa/eseries.h
deleted file mode 100644
index b96949dd5adb..000000000000
--- a/arch/arm/mach-pxa/eseries.h
+++ /dev/null
@@ -1,14 +0,0 @@
-void __init eseries_fixup(struct tag *tags, char **cmdline, struct meminfo *mi);
-
-extern struct pxa2xx_udc_mach_info e7xx_udc_mach_info;
-extern struct pxaficp_platform_data e7xx_ficp_platform_data;
-extern int e7xx_irda_init(void);
-
-extern int eseries_tmio_enable(struct platform_device *dev);
-extern int eseries_tmio_disable(struct platform_device *dev);
-extern int eseries_tmio_suspend(struct platform_device *dev);
-extern int eseries_tmio_resume(struct platform_device *dev);
-extern void eseries_get_tmio_gpios(void);
-extern struct resource eseries_tmio_resources[];
-extern struct platform_device e300_tc6387xb_device;
-
diff --git a/arch/arm/mach-pxa/hx4700.c b/arch/arm/mach-pxa/hx4700.c
index d3de84b0dcbe..e6311988add2 100644
--- a/arch/arm/mach-pxa/hx4700.c
+++ b/arch/arm/mach-pxa/hx4700.c
@@ -296,27 +296,11 @@ static struct asic3_led asic3_leds[ASIC3_NUM_LEDS] = {
 
 static struct resource asic3_resources[] = {
         /* GPIO part */
-        [0] = {
-                .start  = ASIC3_PHYS,
-                .end    = ASIC3_PHYS + ASIC3_MAP_SIZE_16BIT - 1,
-                .flags  = IORESOURCE_MEM,
-        },
-        [1] = {
-                .start  = PXA_GPIO_TO_IRQ(GPIO12_HX4700_ASIC3_IRQ),
-                .end    = PXA_GPIO_TO_IRQ(GPIO12_HX4700_ASIC3_IRQ),
-                .flags  = IORESOURCE_IRQ,
-        },
+        [0] = DEFINE_RES_MEM(ASIC3_PHYS, ASIC3_MAP_SIZE_16BIT),
+        [1] = DEFINE_RES_IRQ(PXA_GPIO_TO_IRQ(GPIO12_HX4700_ASIC3_IRQ)),
         /* SD part */
-        [2] = {
-                .start  = ASIC3_SD_PHYS,
-                .end    = ASIC3_SD_PHYS + ASIC3_MAP_SIZE_16BIT - 1,
-                .flags  = IORESOURCE_MEM,
-        },
-        [3] = {
-                .start  = PXA_GPIO_TO_IRQ(GPIO66_HX4700_ASIC3_nSDIO_IRQ),
-                .end    = PXA_GPIO_TO_IRQ(GPIO66_HX4700_ASIC3_nSDIO_IRQ),
-                .flags  = IORESOURCE_IRQ,
-        },
+        [2] = DEFINE_RES_MEM(ASIC3_SD_PHYS, ASIC3_MAP_SIZE_16BIT),
+        [3] = DEFINE_RES_IRQ(PXA_GPIO_TO_IRQ(GPIO66_HX4700_ASIC3_nSDIO_IRQ)),
 };
 
 static struct asic3_platform_data asic3_platform_data = {
@@ -343,11 +327,7 @@ static struct platform_device asic3 = {
  */
 
 static struct resource egpio_resources[] = {
-        [0] = {
-                .start = PXA_CS5_PHYS,
-                .end   = PXA_CS5_PHYS + 0x4 - 1,
-                .flags = IORESOURCE_MEM,
-        },
+        [0] = DEFINE_RES_MEM(PXA_CS5_PHYS, 0x4),
 };
 
 static struct htc_egpio_chip egpio_chips[] = {
@@ -537,11 +517,7 @@ static struct w100fb_mach_info w3220_info = {
 };
 
 static struct resource w3220_resources[] = {
-        [0] = {
-                .start  = ATI_W3220_PHYS,
-                .end    = ATI_W3220_PHYS + 0x00ffffff,
-                .flags  = IORESOURCE_MEM,
-        },
+        [0] = DEFINE_RES_MEM(ATI_W3220_PHYS, SZ_16M),
 };
 
 static struct platform_device w3220 = {
@@ -683,20 +659,12 @@ static struct pda_power_pdata power_supply_info = {
 };
 
 static struct resource power_supply_resources[] = {
-        [0] = {
-                .name  = "ac",
-                .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
-                         IORESOURCE_IRQ_LOWEDGE,
-                .start = PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN),
-                .end   = PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN),
-        },
-        [1] = {
-                .name  = "usb",
-                .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
-                         IORESOURCE_IRQ_LOWEDGE,
-                .start = PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT),
-                .end   = PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT),
-        },
+        [0] = DEFINE_RES_NAMED(PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN), 1, "ac",
+                IORESOURCE_IRQ |
+                IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE),
+        [1] = DEFINE_RES_NAMED(PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT), 1, "usb",
+                IORESOURCE_IRQ |
+                IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE),
 };
 
 static struct platform_device power_supply = {
diff --git a/arch/arm/mach-pxa/include/mach/regs-ost.h b/arch/arm/mach-pxa/include/mach/regs-ost.h
index a3e5f86ef67e..628819995c52 100644
--- a/arch/arm/mach-pxa/include/mach/regs-ost.h
+++ b/arch/arm/mach-pxa/include/mach/regs-ost.h
@@ -7,17 +7,17 @@
  * OS Timer & Match Registers
  */
 
-#define OSMR0           __REG(0x40A00000)  /* */
-#define OSMR1           __REG(0x40A00004)  /* */
-#define OSMR2           __REG(0x40A00008)  /* */
-#define OSMR3           __REG(0x40A0000C)  /* */
-#define OSMR4           __REG(0x40A00080)  /* */
-#define OSCR            __REG(0x40A00010)  /* OS Timer Counter Register */
-#define OSCR4           __REG(0x40A00040)  /* OS Timer Counter Register */
-#define OMCR4           __REG(0x40A000C0)  /* */
-#define OSSR            __REG(0x40A00014)  /* OS Timer Status Register */
-#define OWER            __REG(0x40A00018)  /* OS Timer Watchdog Enable Register */
-#define OIER            __REG(0x40A0001C)  /* OS Timer Interrupt Enable Register */
+#define OSMR0           io_p2v(0x40A00000)  /* */
+#define OSMR1           io_p2v(0x40A00004)  /* */
+#define OSMR2           io_p2v(0x40A00008)  /* */
+#define OSMR3           io_p2v(0x40A0000C)  /* */
+#define OSMR4           io_p2v(0x40A00080)  /* */
+#define OSCR            io_p2v(0x40A00010)  /* OS Timer Counter Register */
+#define OSCR4           io_p2v(0x40A00040)  /* OS Timer Counter Register */
+#define OMCR4           io_p2v(0x40A000C0)  /* */
+#define OSSR            io_p2v(0x40A00014)  /* OS Timer Status Register */
+#define OWER            io_p2v(0x40A00018)  /* OS Timer Watchdog Enable Register */
+#define OIER            io_p2v(0x40A0001C)  /* OS Timer Interrupt Enable Register */
 
 #define OSSR_M3         (1 << 3)        /* Match status channel 3 */
 #define OSSR_M2         (1 << 2)        /* Match status channel 2 */
diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c
index 6bb3f47b1f14..0ca0db787903 100644
--- a/arch/arm/mach-pxa/lubbock.c
+++ b/arch/arm/mach-pxa/lubbock.c
@@ -456,7 +456,7 @@ static int lubbock_mci_init(struct device *dev,
         init_timer(&mmc_timer);
         mmc_timer.data = (unsigned long) data;
         return request_irq(LUBBOCK_SD_IRQ, lubbock_detect_int,
-                        IRQF_SAMPLE_RANDOM, "lubbock-sd-detect", data);
+                           0, "lubbock-sd-detect", data);
 }
 
 static int lubbock_mci_get_ro(struct device *dev)
diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c
index 2db697cd2b4e..39561dcf65f2 100644
--- a/arch/arm/mach-pxa/magician.c
+++ b/arch/arm/mach-pxa/magician.c
@@ -633,9 +633,8 @@ static struct platform_device bq24022 = {
 static int magician_mci_init(struct device *dev,
                                 irq_handler_t detect_irq, void *data)
 {
-        return request_irq(IRQ_MAGICIAN_SD, detect_irq,
-                                IRQF_DISABLED | IRQF_SAMPLE_RANDOM,
-                                "mmc card detect", data);
+        return request_irq(IRQ_MAGICIAN_SD, detect_irq, IRQF_DISABLED,
+                           "mmc card detect", data);
 }
 
 static void magician_mci_exit(struct device *dev, void *data)
diff --git a/arch/arm/mach-pxa/reset.c b/arch/arm/mach-pxa/reset.c
index b4528899ef08..3fab583755d4 100644
--- a/arch/arm/mach-pxa/reset.c
+++ b/arch/arm/mach-pxa/reset.c
@@ -77,9 +77,10 @@ static void do_gpio_reset(void)
 static void do_hw_reset(void)
 {
         /* Initialize the watchdog and let it fire */
-        OWER = OWER_WME;
-        OSSR = OSSR_M3;
-        OSMR3 = OSCR + 368640;  /* ... in 100 ms */
+        writel_relaxed(OWER_WME, OWER);
+        writel_relaxed(OSSR_M3, OSSR);
+        /* ... in 100 ms */
+        writel_relaxed(readl_relaxed(OSCR) + 368640, OSMR3);
 }
 
 void pxa_restart(char mode, const char *cmd)
diff --git a/arch/arm/mach-pxa/time.c b/arch/arm/mach-pxa/time.c
index 3d6c9bd90de6..4bc47d63698b 100644
--- a/arch/arm/mach-pxa/time.c
+++ b/arch/arm/mach-pxa/time.c
@@ -35,7 +35,7 @@
 
 static u32 notrace pxa_read_sched_clock(void)
 {
-        return OSCR;
+        return readl_relaxed(OSCR);
 }
 
 
@@ -47,8 +47,8 @@ pxa_ost0_interrupt(int irq, void *dev_id)
         struct clock_event_device *c = dev_id;
 
         /* Disarm the compare/match, signal the event. */
-        OIER &= ~OIER_E0;
-        OSSR = OSSR_M0;
+        writel_relaxed(readl_relaxed(OIER) & ~OIER_E0, OIER);
+        writel_relaxed(OSSR_M0, OSSR);
         c->event_handler(c);
 
         return IRQ_HANDLED;
@@ -59,10 +59,10 @@ pxa_osmr0_set_next_event(unsigned long delta, struct clock_event_device *dev)
 {
         unsigned long next, oscr;
 
-        OIER |= OIER_E0;
-        next = OSCR + delta;
-        OSMR0 = next;
-        oscr = OSCR;
+        writel_relaxed(readl_relaxed(OIER) | OIER_E0, OIER);
+        next = readl_relaxed(OSCR) + delta;
+        writel_relaxed(next, OSMR0);
+        oscr = readl_relaxed(OSCR);
 
         return (signed)(next - oscr) <= MIN_OSCR_DELTA ? -ETIME : 0;
 }
@@ -72,15 +72,15 @@ pxa_osmr0_set_mode(enum clock_event_mode mode, struct clock_event_device *dev)
 {
         switch (mode) {
         case CLOCK_EVT_MODE_ONESHOT:
-                OIER &= ~OIER_E0;
-                OSSR = OSSR_M0;
+                writel_relaxed(readl_relaxed(OIER) & ~OIER_E0, OIER);
+                writel_relaxed(OSSR_M0, OSSR);
                 break;
 
         case CLOCK_EVT_MODE_UNUSED:
         case CLOCK_EVT_MODE_SHUTDOWN:
                 /* initializing, released, or preparing for suspend */
-                OIER &= ~OIER_E0;
-                OSSR = OSSR_M0;
+                writel_relaxed(readl_relaxed(OIER) & ~OIER_E0, OIER);
+                writel_relaxed(OSSR_M0, OSSR);
                 break;
 
         case CLOCK_EVT_MODE_RESUME:
@@ -108,8 +108,8 @@ static void __init pxa_timer_init(void)
 {
         unsigned long clock_tick_rate = get_clock_tick_rate();
 
-        OIER = 0;
-        OSSR = OSSR_M0 | OSSR_M1 | OSSR_M2 | OSSR_M3;
+        writel_relaxed(0, OIER);
+        writel_relaxed(OSSR_M0 | OSSR_M1 | OSSR_M2 | OSSR_M3, OSSR);
 
         setup_sched_clock(pxa_read_sched_clock, 32, clock_tick_rate);
 
@@ -122,7 +122,7 @@ static void __init pxa_timer_init(void)
 
         setup_irq(IRQ_OST0, &pxa_ost0_irq);
 
-        clocksource_mmio_init(&OSCR, "oscr0", clock_tick_rate, 200, 32,
+        clocksource_mmio_init(OSCR, "oscr0", clock_tick_rate, 200, 32,
                 clocksource_mmio_readl_up);
         clockevents_register_device(&ckevt_pxa_osmr0);
 }
@@ -132,12 +132,12 @@ static unsigned long osmr[4], oier, oscr;
 
 static void pxa_timer_suspend(void)
 {
-        osmr[0] = OSMR0;
-        osmr[1] = OSMR1;
-        osmr[2] = OSMR2;
-        osmr[3] = OSMR3;
-        oier = OIER;
-        oscr = OSCR;
+        osmr[0] = readl_relaxed(OSMR0);
+        osmr[1] = readl_relaxed(OSMR1);
+        osmr[2] = readl_relaxed(OSMR2);
+        osmr[3] = readl_relaxed(OSMR3);
+        oier = readl_relaxed(OIER);
+        oscr = readl_relaxed(OSCR);
 }
 
 static void pxa_timer_resume(void)
@@ -151,12 +151,12 @@ static void pxa_timer_resume(void)
         if (osmr[0] - oscr < MIN_OSCR_DELTA)
                 osmr[0] += MIN_OSCR_DELTA;
 
-        OSMR0 = osmr[0];
-        OSMR1 = osmr[1];
-        OSMR2 = osmr[2];
-        OSMR3 = osmr[3];
-        OIER = oier;
-        OSCR = oscr;
+        writel_relaxed(osmr[0], OSMR0);
+        writel_relaxed(osmr[1], OSMR1);
+        writel_relaxed(osmr[2], OSMR2);
+        writel_relaxed(osmr[3], OSMR3);
+        writel_relaxed(oier, OIER);
+        writel_relaxed(oscr, OSCR);
 }
 #else
 #define pxa_timer_suspend NULL
diff --git a/arch/arm/mach-pxa/trizeps4.c b/arch/arm/mach-pxa/trizeps4.c
index 2b6ac00b2cd9..166dd32cc1d3 100644
--- a/arch/arm/mach-pxa/trizeps4.c
+++ b/arch/arm/mach-pxa/trizeps4.c
@@ -332,8 +332,8 @@ static int trizeps4_mci_init(struct device *dev, irq_handler_t mci_detect_int,
         int err;
 
         err = request_irq(TRIZEPS4_MMC_IRQ, mci_detect_int,
-                IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_SAMPLE_RANDOM,
-                "MMC card detect", data);
+                          IRQF_DISABLED | IRQF_TRIGGER_RISING,
+                          "MMC card detect", data);
         if (err) {
                 printk(KERN_ERR "trizeps4_mci_init: MMC/SD: can't request"
                                                 "MMC card detect IRQ\n");
diff --git a/arch/arm/mach-s3c64xx/include/mach/pm-core.h b/arch/arm/mach-s3c64xx/include/mach/pm-core.h
index fcf3dcabb694..c0537f40a3d8 100644
--- a/arch/arm/mach-s3c64xx/include/mach/pm-core.h
+++ b/arch/arm/mach-s3c64xx/include/mach/pm-core.h
@@ -12,6 +12,9 @@
  * published by the Free Software Foundation.
  */
 
+#ifndef __MACH_S3C64XX_PM_CORE_H
+#define __MACH_S3C64XX_PM_CORE_H __FILE__
+
 #include <mach/regs-gpio.h>
 
 static inline void s3c_pm_debug_init_uart(void)
@@ -113,3 +116,4 @@ static inline void samsung_pm_saved_gpios(void)
 
         __raw_writel(S3C64XX_SLPEN_USE_xSLP, S3C64XX_SLPEN);
 }
+#endif /* __MACH_S3C64XX_PM_CORE_H */
diff --git a/arch/arm/mach-sa1100/assabet.c b/arch/arm/mach-sa1100/assabet.c
index d1dc7f1a239c..d673211f121c 100644
--- a/arch/arm/mach-sa1100/assabet.c
+++ b/arch/arm/mach-sa1100/assabet.c
@@ -362,7 +362,7 @@ static void __init assabet_init(void)
 static void __init map_sa1100_gpio_regs( void )
 {
         unsigned long phys = __PREG(GPLR) & PMD_MASK;
-        unsigned long virt = io_p2v(phys);
+        unsigned long virt = (unsigned long)io_p2v(phys);
         int prot = PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_DOMAIN(DOMAIN_IO);
         pmd_t *pmd;
 
diff --git a/arch/arm/mach-sa1100/cpu-sa1100.c b/arch/arm/mach-sa1100/cpu-sa1100.c
index 19b2053f5af4..e8f4d1e19233 100644
--- a/arch/arm/mach-sa1100/cpu-sa1100.c
+++ b/arch/arm/mach-sa1100/cpu-sa1100.c
@@ -87,6 +87,7 @@
 #include <linux/types.h>
 #include <linux/init.h>
 #include <linux/cpufreq.h>
+#include <linux/io.h>
 
 #include <asm/cputype.h>
 
diff --git a/arch/arm/mach-sa1100/cpu-sa1110.c b/arch/arm/mach-sa1100/cpu-sa1110.c
index 675bf8ef97e8..48c45b0c92bb 100644
--- a/arch/arm/mach-sa1100/cpu-sa1110.c
+++ b/arch/arm/mach-sa1100/cpu-sa1110.c
@@ -19,6 +19,7 @@
 #include <linux/cpufreq.h>
 #include <linux/delay.h>
 #include <linux/init.h>
+#include <linux/io.h>
 #include <linux/kernel.h>
 #include <linux/moduleparam.h>
 #include <linux/types.h>
diff --git a/arch/arm/mach-sa1100/include/mach/SA-1100.h b/arch/arm/mach-sa1100/include/mach/SA-1100.h
index 3f2d1b60188c..0ac6cc08a19c 100644
--- a/arch/arm/mach-sa1100/include/mach/SA-1100.h
+++ b/arch/arm/mach-sa1100/include/mach/SA-1100.h
@@ -830,14 +830,14 @@
  *                      (read/write).
  */
 
-#define OSMR0           __REG(0x90000000)  /* OS timer Match Reg. 0 */
-#define OSMR1           __REG(0x90000004)  /* OS timer Match Reg. 1 */
-#define OSMR2           __REG(0x90000008)  /* OS timer Match Reg. 2 */
-#define OSMR3           __REG(0x9000000c)  /* OS timer Match Reg. 3 */
-#define OSCR    __REG(0x90000010)  /* OS timer Counter Reg. */
-#define OSSR    __REG(0x90000014        )  /* OS timer Status Reg. */
-#define OWER    __REG(0x90000018        )  /* OS timer Watch-dog Enable Reg. */
-#define OIER    __REG(0x9000001C        )  /* OS timer Interrupt Enable Reg. */
+#define OSMR0           io_p2v(0x90000000)  /* OS timer Match Reg. 0 */
+#define OSMR1           io_p2v(0x90000004)  /* OS timer Match Reg. 1 */
+#define OSMR2           io_p2v(0x90000008)  /* OS timer Match Reg. 2 */
+#define OSMR3           io_p2v(0x9000000c)  /* OS timer Match Reg. 3 */
+#define OSCR            io_p2v(0x90000010)  /* OS timer Counter Reg. */
+#define OSSR            io_p2v(0x90000014)  /* OS timer Status Reg. */
+#define OWER            io_p2v(0x90000018)  /* OS timer Watch-dog Enable Reg. */
+#define OIER            io_p2v(0x9000001C)  /* OS timer Interrupt Enable Reg. */
 
 #define OSSR_M(Nb)                      /* Match detected [0..3]           */ \
                         (0x00000001 << (Nb))
diff --git a/arch/arm/mach-sa1100/include/mach/gpio.h b/arch/arm/mach-sa1100/include/mach/gpio.h
index a38fc4f54241..6a9eecf3137e 100644
--- a/arch/arm/mach-sa1100/include/mach/gpio.h
+++ b/arch/arm/mach-sa1100/include/mach/gpio.h
@@ -24,6 +24,7 @@
 #ifndef __ASM_ARCH_SA1100_GPIO_H
 #define __ASM_ARCH_SA1100_GPIO_H
 
+#include <linux/io.h>
 #include <mach/hardware.h>
 #include <asm/irq.h>
 #include <asm-generic/gpio.h>
diff --git a/arch/arm/mach-sa1100/include/mach/hardware.h b/arch/arm/mach-sa1100/include/mach/hardware.h
index 99f5856d8de4..cbedd75a9d65 100644
--- a/arch/arm/mach-sa1100/include/mach/hardware.h
+++ b/arch/arm/mach-sa1100/include/mach/hardware.h
@@ -32,7 +32,7 @@
 #define PIO_START       0x80000000      /* physical start of IO space */
 
 #define io_p2v( x )             \
-   ( (((x)&0x00ffffff) | (((x)&0x30000000)>>VIO_SHIFT)) + VIO_BASE )
+   IOMEM( (((x)&0x00ffffff) | (((x)&0x30000000)>>VIO_SHIFT)) + VIO_BASE )
 #define io_v2p( x )             \
    ( (((x)&0x00ffffff) | (((x)&(0x30000000>>VIO_SHIFT))<<VIO_SHIFT)) + PIO_START )
 
@@ -47,6 +47,8 @@
 #define CPU_SA1110_ID   (0x6901b110)
 #define CPU_SA1110_MASK (0xfffffff0)
 
+#define __MREG(x)       IOMEM(io_p2v(x))
+
 #ifndef __ASSEMBLY__
 
 #include <asm/cputype.h>
@@ -56,7 +58,7 @@
 #define cpu_is_sa1100() ((read_cpuid_id() & CPU_SA1100_MASK) == CPU_SA1100_ID)
 #define cpu_is_sa1110() ((read_cpuid_id() & CPU_SA1110_MASK) == CPU_SA1110_ID)
 
-# define __REG(x)       (*((volatile unsigned long *)io_p2v(x)))
+# define __REG(x)       (*((volatile unsigned long __iomem *)io_p2v(x)))
 # define __PREG(x)      (io_v2p((unsigned long)&(x)))
 
 static inline unsigned long get_clock_tick_rate(void)
diff --git a/arch/arm/mach-sa1100/include/mach/uncompress.h b/arch/arm/mach-sa1100/include/mach/uncompress.h
index 6cb39ddde656..5cf71da60e42 100644
--- a/arch/arm/mach-sa1100/include/mach/uncompress.h
+++ b/arch/arm/mach-sa1100/include/mach/uncompress.h
@@ -8,6 +8,8 @@
 
 #include "hardware.h"
 
+#define IOMEM(x)        (x)
+
 /*
  * The following code assumes the serial port has already been
  * initialized by the bootloader.  We search for the first enabled
diff --git a/arch/arm/mach-sa1100/irq.c b/arch/arm/mach-sa1100/irq.c
index 516ccc25d7fd..2124f1fc2fbe 100644
--- a/arch/arm/mach-sa1100/irq.c
+++ b/arch/arm/mach-sa1100/irq.c
@@ -12,6 +12,7 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/interrupt.h>
+#include <linux/io.h>
 #include <linux/irq.h>
 #include <linux/ioport.h>
 #include <linux/syscore_ops.h>
diff --git a/arch/arm/mach-sa1100/jornada720_ssp.c b/arch/arm/mach-sa1100/jornada720_ssp.c
index b412fc09c80c..7f07f08d8968 100644
--- a/arch/arm/mach-sa1100/jornada720_ssp.c
+++ b/arch/arm/mach-sa1100/jornada720_ssp.c
@@ -18,6 +18,7 @@
 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/sched.h>
+#include <linux/io.h>
 
 #include <mach/hardware.h>
 #include <mach/jornada720.h>
diff --git a/arch/arm/mach-sa1100/leds-cerf.c b/arch/arm/mach-sa1100/leds-cerf.c
index 040540fb7d8a..30fc3b2bf555 100644
--- a/arch/arm/mach-sa1100/leds-cerf.c
+++ b/arch/arm/mach-sa1100/leds-cerf.c
@@ -4,6 +4,7 @@
  * Author: ???
  */
 #include <linux/init.h>
+#include <linux/io.h>
 
 #include <mach/hardware.h>
 #include <asm/leds.h>
diff --git a/arch/arm/mach-sa1100/leds-lart.c b/arch/arm/mach-sa1100/leds-lart.c
index a51830c60e53..50a5b143b460 100644
--- a/arch/arm/mach-sa1100/leds-lart.c
+++ b/arch/arm/mach-sa1100/leds-lart.c
@@ -10,6 +10,7 @@
  *  pace of the LED.
  */
 #include <linux/init.h>
+#include <linux/io.h>
 
 #include <mach/hardware.h>
 #include <asm/leds.h>
diff --git a/arch/arm/mach-sa1100/pm.c b/arch/arm/mach-sa1100/pm.c
index 690cf0ce5c0c..6645d1e31f14 100644
--- a/arch/arm/mach-sa1100/pm.c
+++ b/arch/arm/mach-sa1100/pm.c
@@ -23,6 +23,7 @@
  *                              Storage is local on the stack now.
  */
 #include <linux/init.h>
+#include <linux/io.h>
 #include <linux/suspend.h>
 #include <linux/errno.h>
 #include <linux/time.h>
diff --git a/arch/arm/mach-sa1100/sleep.S b/arch/arm/mach-sa1100/sleep.S
index 30cc6721665b..85863741ef8b 100644
--- a/arch/arm/mach-sa1100/sleep.S
+++ b/arch/arm/mach-sa1100/sleep.S
@@ -38,9 +38,9 @@ ENTRY(sa1100_finish_suspend)
         orr     r4, r4, #MDREFR_K1DB2
         ldr     r5, =PPCR
 
-        @ Pre-load __udelay into the I-cache
+        @ Pre-load __loop_udelay into the I-cache
         mov     r0, #1
-        bl      __udelay
+        bl      __loop_udelay
         mov     r0, r0
 
         @ The following must all exist in a single cache line to
@@ -53,11 +53,11 @@ ENTRY(sa1100_finish_suspend)
         @ delay 90us and set CPU PLL to lowest speed
         @ fixes resume problem on high speed SA1110
         mov     r0, #90
-        bl      __udelay
+        bl      __loop_udelay
         mov     r1, #0
         str     r1, [r5]
         mov     r0, #90
-        bl      __udelay
+        bl      __loop_udelay
 
         /*
          * SA1110 SDRAM controller workaround.  register values:
diff --git a/arch/arm/mach-sa1100/time.c b/arch/arm/mach-sa1100/time.c
index 6af26e8d55e6..80702c9ecc77 100644
--- a/arch/arm/mach-sa1100/time.c
+++ b/arch/arm/mach-sa1100/time.c
@@ -22,7 +22,7 @@
 
 static u32 notrace sa1100_read_sched_clock(void)
 {
-        return OSCR;
+        return readl_relaxed(OSCR);
 }
 
 #define MIN_OSCR_DELTA 2
@@ -32,8 +32,8 @@ static irqreturn_t sa1100_ost0_interrupt(int irq, void *dev_id)
         struct clock_event_device *c = dev_id;
 
         /* Disarm the compare/match, signal the event. */
-        OIER &= ~OIER_E0;
-        OSSR = OSSR_M0;
+        writel_relaxed(readl_relaxed(OIER) & ~OIER_E0, OIER);
+        writel_relaxed(OSSR_M0, OSSR);
         c->event_handler(c);
 
         return IRQ_HANDLED;
@@ -44,10 +44,10 @@ sa1100_osmr0_set_next_event(unsigned long delta, struct clock_event_device *c)
 {
         unsigned long next, oscr;
 
-        OIER |= OIER_E0;
-        next = OSCR + delta;
-        OSMR0 = next;
-        oscr = OSCR;
+        writel_relaxed(readl_relaxed(OIER) | OIER_E0, OIER);
+        next = readl_relaxed(OSCR) + delta;
+        writel_relaxed(next, OSMR0);
+        oscr = readl_relaxed(OSCR);
 
         return (signed)(next - oscr) <= MIN_OSCR_DELTA ? -ETIME : 0;
 }
@@ -59,8 +59,8 @@ sa1100_osmr0_set_mode(enum clock_event_mode mode, struct clock_event_device *c)
         case CLOCK_EVT_MODE_ONESHOT:
         case CLOCK_EVT_MODE_UNUSED:
         case CLOCK_EVT_MODE_SHUTDOWN:
-                OIER &= ~OIER_E0;
-                OSSR = OSSR_M0;
+                writel_relaxed(readl_relaxed(OIER) & ~OIER_E0, OIER);
+                writel_relaxed(OSSR_M0, OSSR);
                 break;
 
         case CLOCK_EVT_MODE_RESUME:
@@ -86,8 +86,8 @@ static struct irqaction sa1100_timer_irq = {
 
 static void __init sa1100_timer_init(void)
 {
-        OIER = 0;
-        OSSR = OSSR_M0 | OSSR_M1 | OSSR_M2 | OSSR_M3;
+        writel_relaxed(0, OIER);
+        writel_relaxed(OSSR_M0 | OSSR_M1 | OSSR_M2 | OSSR_M3, OSSR);
 
         setup_sched_clock(sa1100_read_sched_clock, 32, 3686400);
 
@@ -100,7 +100,7 @@ static void __init sa1100_timer_init(void)
 
         setup_irq(IRQ_OST0, &sa1100_timer_irq);
 
-        clocksource_mmio_init(&OSCR, "oscr", CLOCK_TICK_RATE, 200, 32,
+        clocksource_mmio_init(OSCR, "oscr", CLOCK_TICK_RATE, 200, 32,
                 clocksource_mmio_readl_up);
         clockevents_register_device(&ckevt_sa1100_osmr0);
 }
@@ -110,26 +110,26 @@ unsigned long osmr[4], oier;
 
 static void sa1100_timer_suspend(void)
 {
-        osmr[0] = OSMR0;
-        osmr[1] = OSMR1;
-        osmr[2] = OSMR2;
-        osmr[3] = OSMR3;
-        oier = OIER;
+        osmr[0] = readl_relaxed(OSMR0);
+        osmr[1] = readl_relaxed(OSMR1);
+        osmr[2] = readl_relaxed(OSMR2);
+        osmr[3] = readl_relaxed(OSMR3);
+        oier = readl_relaxed(OIER);
 }
 
 static void sa1100_timer_resume(void)
 {
-        OSSR = 0x0f;
-        OSMR0 = osmr[0];
-        OSMR1 = osmr[1];
-        OSMR2 = osmr[2];
-        OSMR3 = osmr[3];
-        OIER = oier;
+        writel_relaxed(0x0f, OSSR);
+        writel_relaxed(osmr[0], OSMR0);
+        writel_relaxed(osmr[1], OSMR1);
+        writel_relaxed(osmr[2], OSMR2);
+        writel_relaxed(osmr[3], OSMR3);
+        writel_relaxed(oier, OIER);
 
         /*
          * OSMR0 is the system timer: make sure OSCR is sufficiently behind
          */
-        OSCR = OSMR0 - LATCH;
+        writel_relaxed(OSMR0 - LATCH, OSCR);
 }
 #else
 #define sa1100_timer_suspend NULL
diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig
index df33909205e2..4cacc2d22fbe 100644
--- a/arch/arm/mach-shmobile/Kconfig
+++ b/arch/arm/mach-shmobile/Kconfig
@@ -19,6 +19,7 @@ config ARCH_SH7372
         select CPU_V7
         select SH_CLK_CPG
         select ARCH_WANT_OPTIONAL_GPIOLIB
+        select ARM_CPU_SUSPEND if PM || CPU_IDLE
 
 config ARCH_SH73A0
         bool "SH-Mobile AG5 (R8A73A00)"
@@ -58,6 +59,7 @@ config MACH_G4EVM
         bool "G4EVM board"
         depends on ARCH_SH7377
         select ARCH_REQUIRE_GPIOLIB
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
 
 config MACH_AP4EVB
         bool "AP4EVB board"
@@ -65,6 +67,7 @@ config MACH_AP4EVB
         select ARCH_REQUIRE_GPIOLIB
         select SH_LCD_MIPI_DSI
         select SND_SOC_AK4642 if SND_SIMPLE_CARD
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
 
 choice
         prompt "AP4EVB LCD panel selection"
@@ -83,6 +86,7 @@ config MACH_AG5EVM
         bool "AG5EVM board"
         select ARCH_REQUIRE_GPIOLIB
         select SH_LCD_MIPI_DSI
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
         depends on ARCH_SH73A0
 
 config MACH_MACKEREL
@@ -90,15 +94,18 @@ config MACH_MACKEREL
         depends on ARCH_SH7372
         select ARCH_REQUIRE_GPIOLIB
         select SND_SOC_AK4642 if SND_SIMPLE_CARD
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
 
 config MACH_KOTA2
         bool "KOTA2 board"
         select ARCH_REQUIRE_GPIOLIB
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
         depends on ARCH_SH73A0
 
 config MACH_BONITO
         bool "bonito board"
         select ARCH_REQUIRE_GPIOLIB
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
         depends on ARCH_R8A7740
 
 config MACH_ARMADILLO800EVA
@@ -106,22 +113,28 @@ config MACH_ARMADILLO800EVA
         depends on ARCH_R8A7740
         select ARCH_REQUIRE_GPIOLIB
         select USE_OF
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
+        select SND_SOC_WM8978 if SND_SIMPLE_CARD
 
 config MACH_MARZEN
         bool "MARZEN board"
         depends on ARCH_R8A7779
         select ARCH_REQUIRE_GPIOLIB
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
 
 config MACH_KZM9D
         bool "KZM9D board"
         depends on ARCH_EMEV2
         select USE_OF
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
 
 config MACH_KZM9G
         bool "KZM-A9-GT board"
         depends on ARCH_SH73A0
         select ARCH_REQUIRE_GPIOLIB
         select USE_OF
+        select SND_SOC_AK4642 if SND_SIMPLE_CARD
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
 
 comment "SH-Mobile System Configuration"
 
diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile
index 8aa1962c22a2..0df5ae6740c6 100644
--- a/arch/arm/mach-shmobile/Makefile
+++ b/arch/arm/mach-shmobile/Makefile
@@ -39,7 +39,9 @@ obj-$(CONFIG_ARCH_R8A7740)	+= entry-intc.o
 # PM objects
 obj-$(CONFIG_SUSPEND)           += suspend.o
 obj-$(CONFIG_CPU_IDLE)          += cpuidle.o
+obj-$(CONFIG_ARCH_SHMOBILE)     += pm-rmobile.o
 obj-$(CONFIG_ARCH_SH7372)       += pm-sh7372.o sleep-sh7372.o
+obj-$(CONFIG_ARCH_R8A7740)      += pm-r8a7740.o
 obj-$(CONFIG_ARCH_R8A7779)      += pm-r8a7779.o
 
 # Board objects
diff --git a/arch/arm/mach-shmobile/board-ag5evm.c b/arch/arm/mach-shmobile/board-ag5evm.c
index 5a6f22f05e99..d82c010fdfc6 100644
--- a/arch/arm/mach-shmobile/board-ag5evm.c
+++ b/arch/arm/mach-shmobile/board-ag5evm.c
@@ -27,6 +27,8 @@
 #include <linux/delay.h>
 #include <linux/io.h>
 #include <linux/dma-mapping.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/serial_sci.h>
 #include <linux/smsc911x.h>
 #include <linux/gpio.h>
@@ -52,6 +54,12 @@
 #include <asm/hardware/cache-l2x0.h>
 #include <asm/traps.h>
 
+/* Dummy supplies, where voltage doesn't matter */
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x"),
+};
+
 static struct resource smsc9220_resources[] = {
         [0] = {
                 .start          = 0x14000000,
@@ -142,6 +150,13 @@ static struct platform_device fsi_device = {
         .resource       = fsi_resources,
 };
 
+/* Fixed 1.8V regulator to be used by MMCIF */
+static struct regulator_consumer_supply fixed1v8_power_consumers[] =
+{
+        REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mmcif.0"),
+};
+
 static struct resource sh_mmcif_resources[] = {
         [0] = {
                 .name   = "MMCIF",
@@ -364,6 +379,13 @@ static struct platform_device mipidsi0_device = {
         },
 };
 
+/* Fixed 2.8V regulators to be used by SDHI0 */
+static struct regulator_consumer_supply fixed2v8_power_consumers[] =
+{
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
+};
+
 /* SDHI0 */
 static struct sh_mobile_sdhi_info sdhi0_info = {
         .dma_slave_tx   = SHDMA_SLAVE_SDHI0_TX,
@@ -408,8 +430,57 @@ static struct platform_device sdhi0_device = {
         },
 };
 
-void ag5evm_sdhi1_set_pwr(struct platform_device *pdev, int state)
+/* Fixed 3.3V regulator to be used by SDHI1 */
+static struct regulator_consumer_supply cn4_power_consumers[] =
 {
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"),
+};
+
+static struct regulator_init_data cn4_power_init_data = {
+        .constraints = {
+                .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+        },
+        .num_consumer_supplies  = ARRAY_SIZE(cn4_power_consumers),
+        .consumer_supplies      = cn4_power_consumers,
+};
+
+static struct fixed_voltage_config cn4_power_info = {
+        .supply_name = "CN4 SD/MMC Vdd",
+        .microvolts = 3300000,
+        .gpio = GPIO_PORT114,
+        .enable_high = 1,
+        .init_data = &cn4_power_init_data,
+};
+
+static struct platform_device cn4_power = {
+        .name = "reg-fixed-voltage",
+        .id   = 2,
+        .dev  = {
+                .platform_data = &cn4_power_info,
+        },
+};
+
+static void ag5evm_sdhi1_set_pwr(struct platform_device *pdev, int state)
+{
+        static int power_gpio = -EINVAL;
+
+        if (power_gpio < 0) {
+                int ret = gpio_request(GPIO_PORT114, "sdhi1_power");
+                if (!ret) {
+                        power_gpio = GPIO_PORT114;
+                        gpio_direction_output(power_gpio, 0);
+                }
+        }
+
+        /*
+         * If requesting the GPIO above failed, it means, that the regulator got
+         * probed and grabbed the GPIO, but we don't know, whether the sdhi
+         * driver already uses the regulator. If it doesn't, we have to toggle
+         * the GPIO ourselves, even though it is now owned by the fixed
+         * regulator driver. We have to live with the race in case the driver
+         * gets unloaded and the GPIO freed between these two steps.
+         */
         gpio_set_value(GPIO_PORT114, state);
 }
 
@@ -455,6 +526,7 @@ static struct platform_device sdhi1_device = {
 };
 
 static struct platform_device *ag5evm_devices[] __initdata = {
+        &cn4_power,
         &eth_device,
         &keysc_device,
         &fsi_device,
@@ -468,6 +540,12 @@ static struct platform_device *ag5evm_devices[] __initdata = {
 
 static void __init ag5evm_init(void)
 {
+        regulator_register_always_on(0, "fixed-1.8V", fixed1v8_power_consumers,
+                                     ARRAY_SIZE(fixed1v8_power_consumers), 1800000);
+        regulator_register_always_on(1, "fixed-2.8V", fixed2v8_power_consumers,
+                                     ARRAY_SIZE(fixed2v8_power_consumers), 3300000);
+        regulator_register_fixed(3, dummy_supplies, ARRAY_SIZE(dummy_supplies));
+
         sh73a0_pinmux_init();
 
         /* enable SCIFA2 */
@@ -562,8 +640,6 @@ static void __init ag5evm_init(void)
         gpio_request(GPIO_FN_SDHID1_2_PU, NULL);
         gpio_request(GPIO_FN_SDHID1_1_PU, NULL);
         gpio_request(GPIO_FN_SDHID1_0_PU, NULL);
-        gpio_request(GPIO_PORT114, "sdhi1_power");
-        gpio_direction_output(GPIO_PORT114, 0);
 
 #ifdef CONFIG_CACHE_L2X0
         /* Shared attribute override enable, 64K*8way */
diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c
index ace60246a5df..f172ca85905c 100644
--- a/arch/arm/mach-shmobile/board-ap4evb.c
+++ b/arch/arm/mach-shmobile/board-ap4evb.c
@@ -34,6 +34,8 @@
 #include <linux/i2c.h>
 #include <linux/i2c/tsc2007.h>
 #include <linux/io.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/smsc911x.h>
 #include <linux/sh_intc.h>
 #include <linux/sh_clk.h>
@@ -159,6 +161,27 @@
  * CN12: 3.3v
  */
 
+/* Dummy supplies, where voltage doesn't matter */
+static struct regulator_consumer_supply fixed1v8_power_consumers[] =
+{
+        /* J22 default position: 1.8V */
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"),
+        REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mmcif.0"),
+};
+
+static struct regulator_consumer_supply fixed3v3_power_consumers[] =
+{
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
+};
+
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x"),
+};
+
 /* MTD */
 static struct mtd_partition nor_flash_partitions[] = {
         {
@@ -1138,21 +1161,6 @@ static void __init fsi_init_pm_clock(void)
         clk_put(fsia_ick);
 }
 
-/*
- * FIXME !!
- *
- * gpio_no_direction
- * are quick_hack.
- *
- * current gpio frame work doesn't have
- * the method to control only pull up/down/free.
- * this function should be replaced by correct gpio function
- */
-static void __init gpio_no_direction(u32 addr)
-{
-        __raw_writeb(0x00, addr);
-}
-
 /* TouchScreen */
 #ifdef CONFIG_AP4EVB_QHD
 # define GPIO_TSC_IRQ   GPIO_FN_IRQ28_123
@@ -1224,6 +1232,12 @@ static void __init ap4evb_init(void)
         u32 srcr4;
         struct clk *clk;
 
+        regulator_register_always_on(0, "fixed-1.8V", fixed1v8_power_consumers,
+                                     ARRAY_SIZE(fixed1v8_power_consumers), 1800000);
+        regulator_register_always_on(1, "fixed-3.3V", fixed3v3_power_consumers,
+                                     ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
+        regulator_register_fixed(2, dummy_supplies, ARRAY_SIZE(dummy_supplies));
+
         /* External clock source */
         clk_set_rate(&sh7372_dv_clki_clk, 27000000);
 
@@ -1302,8 +1316,8 @@ static void __init ap4evb_init(void)
 
         gpio_request(GPIO_PORT9, NULL);
         gpio_request(GPIO_PORT10, NULL);
-        gpio_no_direction(GPIO_PORT9CR);  /* FSIAOBT needs no direction */
-        gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */
+        gpio_direction_none(GPIO_PORT9CR);  /* FSIAOBT needs no direction */
+        gpio_direction_none(GPIO_PORT10CR); /* FSIAOLR needs no direction */
 
         /* card detect pin for MMC slot (CN7) */
         gpio_request(GPIO_PORT41, NULL);
@@ -1447,14 +1461,14 @@ static void __init ap4evb_init(void)
 
         platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
 
-        sh7372_add_device_to_domain(&sh7372_a4lc, &lcdc1_device);
-        sh7372_add_device_to_domain(&sh7372_a4lc, &lcdc_device);
-        sh7372_add_device_to_domain(&sh7372_a4mp, &fsi_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a4lc, &lcdc1_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a4lc, &lcdc_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a4mp, &fsi_device);
 
-        sh7372_add_device_to_domain(&sh7372_a3sp, &sh_mmcif_device);
-        sh7372_add_device_to_domain(&sh7372_a3sp, &sdhi0_device);
-        sh7372_add_device_to_domain(&sh7372_a3sp, &sdhi1_device);
-        sh7372_add_device_to_domain(&sh7372_a4r, &ceu_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a3sp, &sh_mmcif_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a3sp, &sdhi0_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a3sp, &sdhi1_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a4r, &ceu_device);
 
         hdmi_init_pm_clock();
         fsi_init_pm_clock();
diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c
index 9bd135531d76..cf10f92856dc 100644
--- a/arch/arm/mach-shmobile/board-armadillo800eva.c
+++ b/arch/arm/mach-shmobile/board-armadillo800eva.c
@@ -28,6 +28,8 @@
 #include <linux/platform_device.h>
 #include <linux/gpio.h>
 #include <linux/gpio_keys.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/sh_eth.h>
 #include <linux/videodev2.h>
 #include <linux/usb/renesas_usbhs.h>
@@ -37,14 +39,20 @@
 #include <linux/mmc/sh_mobile_sdhi.h>
 #include <mach/common.h>
 #include <mach/irqs.h>
+#include <mach/r8a7740.h>
+#include <media/mt9t112.h>
+#include <media/sh_mobile_ceu.h>
+#include <media/soc_camera.h>
 #include <asm/page.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 #include <asm/mach/time.h>
 #include <asm/hardware/cache-l2x0.h>
-#include <mach/r8a7740.h>
 #include <video/sh_mobile_lcdc.h>
+#include <video/sh_mobile_hdmi.h>
+#include <sound/sh_fsi.h>
+#include <sound/simple_card.h>
 
 /*
  * CON1         Camera Module
@@ -108,6 +116,14 @@
  */
 
 /*
+ * FSI-WM8978
+ *
+ * this command is required when playback.
+ *
+ * # amixer set "Headphone" 50
+ */
+
+/*
  * USB function
  *
  * When you use USB Function,
@@ -117,14 +133,8 @@
  * These are a little bit complex.
  * see
  *      usbhsf_power_ctrl()
- *
- * CAUTION
- *
- * It uses autonomy mode for USB hotplug at this point
- * (= usbhs_private.platform_callback.get_vbus is NULL),
- * since we don't know what's happen on PM control
- * on this workaround.
  */
+#define IRQ7            evt2irq(0x02e0)
 #define USBCR1          0xe605810a
 #define USBH            0xC6700000
 #define USBH_USBCTR     0x10834
@@ -204,6 +214,20 @@ static void usbhsf_power_ctrl(struct platform_device *pdev,
         }
 }
 
+static int usbhsf_get_vbus(struct platform_device *pdev)
+{
+        return gpio_get_value(GPIO_PORT209);
+}
+
+static irqreturn_t usbhsf_interrupt(int irq, void *data)
+{
+        struct platform_device *pdev = data;
+
+        renesas_usbhs_call_notify_hotplug(pdev);
+
+        return IRQ_HANDLED;
+}
+
 static void usbhsf_hardware_exit(struct platform_device *pdev)
 {
         struct usbhsf_private *priv = usbhsf_get_priv(pdev);
@@ -227,11 +251,14 @@ static void usbhsf_hardware_exit(struct platform_device *pdev)
         priv->host      = NULL;
         priv->func      = NULL;
         priv->usbh_base = NULL;
+
+        free_irq(IRQ7, pdev);
 }
 
 static int usbhsf_hardware_init(struct platform_device *pdev)
 {
         struct usbhsf_private *priv = usbhsf_get_priv(pdev);
+        int ret;
 
         priv->phy       = clk_get(&pdev->dev, "phy");
         priv->usb24     = clk_get(&pdev->dev, "usb24");
@@ -251,6 +278,14 @@ static int usbhsf_hardware_init(struct platform_device *pdev)
                 return -EIO;
         }
 
+        ret = request_irq(IRQ7, usbhsf_interrupt, IRQF_TRIGGER_NONE,
+                          dev_name(&pdev->dev), pdev);
+        if (ret) {
+                dev_err(&pdev->dev, "request_irq err\n");
+                return ret;
+        }
+        irq_set_irq_type(IRQ7, IRQ_TYPE_EDGE_BOTH);
+
         /* usb24 use 1/1 of parent clock (= usb24s = 24MHz) */
         clk_set_rate(priv->usb24,
                      clk_get_rate(clk_get_parent(priv->usb24)));
@@ -262,6 +297,7 @@ static struct usbhsf_private usbhsf_private = {
         .info = {
                 .platform_callback = {
                         .get_id         = usbhsf_get_id,
+                        .get_vbus       = usbhsf_get_vbus,
                         .hardware_init  = usbhsf_hardware_init,
                         .hardware_exit  = usbhsf_hardware_exit,
                         .power_ctrl     = usbhsf_power_ctrl,
@@ -269,6 +305,8 @@ static struct usbhsf_private usbhsf_private = {
                 .driver_param = {
                         .buswait_bwait          = 5,
                         .detection_delay        = 5,
+                        .d0_rx_id       = SHDMA_SLAVE_USBHS_RX,
+                        .d1_tx_id       = SHDMA_SLAVE_USBHS_TX,
                 },
         }
 };
@@ -384,6 +422,103 @@ static struct platform_device lcdc0_device = {
         },
 };
 
+/*
+ * LCDC1/HDMI
+ */
+static struct sh_mobile_hdmi_info hdmi_info = {
+        .flags          = HDMI_OUTPUT_PUSH_PULL |
+                          HDMI_OUTPUT_POLARITY_HI |
+                          HDMI_32BIT_REG |
+                          HDMI_HAS_HTOP1 |
+                          HDMI_SND_SRC_SPDIF,
+};
+
+static struct resource hdmi_resources[] = {
+        [0] = {
+                .name   = "HDMI",
+                .start  = 0xe6be0000,
+                .end    = 0xe6be03ff,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = evt2irq(0x1700),
+                .flags  = IORESOURCE_IRQ,
+        },
+        [2] = {
+                .name   = "HDMI emma3pf",
+                .start  = 0xe6be4000,
+                .end    = 0xe6be43ff,
+                .flags  = IORESOURCE_MEM,
+        },
+};
+
+static struct platform_device hdmi_device = {
+        .name           = "sh-mobile-hdmi",
+        .num_resources  = ARRAY_SIZE(hdmi_resources),
+        .resource       = hdmi_resources,
+        .id             = -1,
+        .dev    = {
+                .platform_data  = &hdmi_info,
+        },
+};
+
+static const struct fb_videomode lcdc1_mode = {
+        .name           = "HDMI 720p",
+        .xres           = 1280,
+        .yres           = 720,
+        .pixclock       = 13468,
+        .left_margin    = 220,
+        .right_margin   = 110,
+        .hsync_len      = 40,
+        .upper_margin   = 20,
+        .lower_margin   = 5,
+        .vsync_len      = 5,
+        .refresh        = 60,
+        .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
+};
+
+static struct sh_mobile_lcdc_info hdmi_lcdc_info = {
+        .clock_source   = LCDC_CLK_PERIPHERAL, /* HDMI clock */
+        .ch[0] = {
+                .chan                   = LCDC_CHAN_MAINLCD,
+                .fourcc                 = V4L2_PIX_FMT_RGB565,
+                .interface_type         = RGB24,
+                .clock_divider          = 1,
+                .flags                  = LCDC_FLAGS_DWPOL,
+                .lcd_modes              = &lcdc1_mode,
+                .num_modes              = 1,
+                .tx_dev                 = &hdmi_device,
+                .panel_cfg = {
+                        .width  = 1280,
+                        .height = 720,
+                },
+        },
+};
+
+static struct resource hdmi_lcdc_resources[] = {
+        [0] = {
+                .name   = "LCDC1",
+                .start  = 0xfe944000,
+                .end    = 0xfe948000 - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = intcs_evt2irq(0x1780),
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device hdmi_lcdc_device = {
+        .name           = "sh_mobile_lcdc_fb",
+        .num_resources  = ARRAY_SIZE(hdmi_lcdc_resources),
+        .resource       = hdmi_lcdc_resources,
+        .id             = 1,
+        .dev    = {
+                .platform_data  = &hdmi_lcdc_info,
+                .coherent_dma_mask = ~0,
+        },
+};
+
 /* GPIO KEY */
 #define GPIO_KEY(c, g, d) { .code = c, .gpio = g, .desc = d, .active_low = 1 }
 
@@ -407,6 +542,17 @@ static struct platform_device gpio_keys_device = {
         },
 };
 
+/* Fixed 3.3V regulator to be used by SDHI0, SDHI1, MMCIF */
+static struct regulator_consumer_supply fixed3v3_power_consumers[] =
+{
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"),
+        REGULATOR_SUPPLY("vmmc", "sh_mmcif"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mmcif"),
+};
+
 /* SDHI0 */
 /*
  * FIXME
@@ -418,6 +564,8 @@ static struct platform_device gpio_keys_device = {
  */
 #define IRQ31   evt2irq(0x33E0)
 static struct sh_mobile_sdhi_info sdhi0_info = {
+        .dma_slave_tx   = SHDMA_SLAVE_SDHI0_TX,
+        .dma_slave_rx   = SHDMA_SLAVE_SDHI0_RX,
         .tmio_caps      = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |\
                           MMC_CAP_NEEDS_POLL,
         .tmio_ocr_mask  = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
@@ -458,6 +606,8 @@ static struct platform_device sdhi0_device = {
 
 /* SDHI1 */
 static struct sh_mobile_sdhi_info sdhi1_info = {
+        .dma_slave_tx   = SHDMA_SLAVE_SDHI1_TX,
+        .dma_slave_rx   = SHDMA_SLAVE_SDHI1_RX,
         .tmio_caps      = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ,
         .tmio_ocr_mask  = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
         .tmio_flags     = TMIO_MMC_HAS_IDLE_WAIT,
@@ -532,12 +682,209 @@ static struct platform_device sh_mmcif_device = {
         .resource       = sh_mmcif_resources,
 };
 
+/* Camera */
+static int mt9t111_power(struct device *dev, int mode)
+{
+        struct clk *mclk = clk_get(NULL, "video1");
+
+        if (IS_ERR(mclk)) {
+                dev_err(dev, "can't get video1 clock\n");
+                return -EINVAL;
+        }
+
+        if (mode) {
+                /* video1 (= CON1 camera) expect 24MHz */
+                clk_set_rate(mclk, clk_round_rate(mclk, 24000000));
+                clk_enable(mclk);
+                gpio_direction_output(GPIO_PORT158, 1);
+        } else {
+                gpio_direction_output(GPIO_PORT158, 0);
+                clk_disable(mclk);
+        }
+
+        clk_put(mclk);
+
+        return 0;
+}
+
+static struct i2c_board_info i2c_camera_mt9t111 = {
+        I2C_BOARD_INFO("mt9t112", 0x3d),
+};
+
+static struct mt9t112_camera_info mt9t111_info = {
+        .divider = { 16, 0, 0, 7, 0, 10, 14, 7, 7 },
+};
+
+static struct soc_camera_link mt9t111_link = {
+        .i2c_adapter_id = 0,
+        .bus_id         = 0,
+        .board_info     = &i2c_camera_mt9t111,
+        .power          = mt9t111_power,
+        .priv           = &mt9t111_info,
+};
+
+static struct platform_device camera_device = {
+        .name   = "soc-camera-pdrv",
+        .id     = 0,
+        .dev    = {
+                .platform_data = &mt9t111_link,
+        },
+};
+
+/* CEU0 */
+static struct sh_mobile_ceu_info sh_mobile_ceu0_info = {
+        .flags = SH_CEU_FLAG_LOWER_8BIT,
+};
+
+static struct resource ceu0_resources[] = {
+        [0] = {
+                .name   = "CEU",
+                .start  = 0xfe910000,
+                .end    = 0xfe91009f,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = intcs_evt2irq(0x0500),
+                .flags  = IORESOURCE_IRQ,
+        },
+        [2] = {
+                /* place holder for contiguous memory */
+        },
+};
+
+static struct platform_device ceu0_device = {
+        .name           = "sh_mobile_ceu",
+        .id             = 0,
+        .num_resources  = ARRAY_SIZE(ceu0_resources),
+        .resource       = ceu0_resources,
+        .dev    = {
+                .platform_data          = &sh_mobile_ceu0_info,
+                .coherent_dma_mask      = 0xffffffff,
+        },
+};
+
+/* FSI */
+static int fsi_hdmi_set_rate(struct device *dev, int rate, int enable)
+{
+        struct clk *fsib;
+        int ret;
+
+        /* it support 48KHz only */
+        if (48000 != rate)
+                return -EINVAL;
+
+        fsib = clk_get(dev, "ickb");
+        if (IS_ERR(fsib))
+                return -EINVAL;
+
+        if (enable) {
+                ret = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
+                clk_enable(fsib);
+        } else {
+                ret = 0;
+                clk_disable(fsib);
+        }
+
+        clk_put(fsib);
+
+        return ret;
+}
+
+static struct sh_fsi_platform_info fsi_info = {
+        /* FSI-WM8978 */
+        .port_a = {
+                .tx_id = SHDMA_SLAVE_FSIA_TX,
+        },
+        /* FSI-HDMI */
+        .port_b = {
+                .flags          = SH_FSI_FMT_SPDIF |
+                                  SH_FSI_ENABLE_STREAM_MODE,
+                .set_rate       = fsi_hdmi_set_rate,
+                .tx_id          = SHDMA_SLAVE_FSIB_TX,
+        }
+};
+
+static struct resource fsi_resources[] = {
+        [0] = {
+                .name   = "FSI",
+                .start  = 0xfe1f0000,
+                .end    = 0xfe1f8400 - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = evt2irq(0x1840),
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device fsi_device = {
+        .name           = "sh_fsi2",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(fsi_resources),
+        .resource       = fsi_resources,
+        .dev    = {
+                .platform_data  = &fsi_info,
+        },
+};
+
+/* FSI-WM8978 */
+static struct asoc_simple_dai_init_info fsi_wm8978_init_info = {
+        .fmt            = SND_SOC_DAIFMT_I2S,
+        .codec_daifmt   = SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_NB_NF,
+        .cpu_daifmt     = SND_SOC_DAIFMT_CBS_CFS,
+        .sysclk         = 12288000,
+};
+
+static struct asoc_simple_card_info fsi_wm8978_info = {
+        .name           = "wm8978",
+        .card           = "FSI2A-WM8978",
+        .cpu_dai        = "fsia-dai",
+        .codec          = "wm8978.0-001a",
+        .platform       = "sh_fsi2",
+        .codec_dai      = "wm8978-hifi",
+        .init           = &fsi_wm8978_init_info,
+};
+
+static struct platform_device fsi_wm8978_device = {
+        .name   = "asoc-simple-card",
+        .id     = 0,
+        .dev    = {
+                .platform_data  = &fsi_wm8978_info,
+        },
+};
+
+/* FSI-HDMI */
+static struct asoc_simple_dai_init_info fsi2_hdmi_init_info = {
+        .cpu_daifmt     = SND_SOC_DAIFMT_CBM_CFM,
+};
+
+static struct asoc_simple_card_info fsi2_hdmi_info = {
+        .name           = "HDMI",
+        .card           = "FSI2B-HDMI",
+        .cpu_dai        = "fsib-dai",
+        .codec          = "sh-mobile-hdmi",
+        .platform       = "sh_fsi2",
+        .codec_dai      = "sh_mobile_hdmi-hifi",
+        .init           = &fsi2_hdmi_init_info,
+};
+
+static struct platform_device fsi_hdmi_device = {
+        .name   = "asoc-simple-card",
+        .id     = 1,
+        .dev    = {
+                .platform_data  = &fsi2_hdmi_info,
+        },
+};
+
 /* I2C */
 static struct i2c_board_info i2c0_devices[] = {
         {
                 I2C_BOARD_INFO("st1232-ts", 0x55),
                 .irq = evt2irq(0x0340),
         },
+        {
+                I2C_BOARD_INFO("wm8978", 0x1a),
+        },
 };
 
 /*
@@ -549,6 +896,13 @@ static struct platform_device *eva_devices[] __initdata = {
         &sh_eth_device,
         &sdhi0_device,
         &sh_mmcif_device,
+        &hdmi_device,
+        &hdmi_lcdc_device,
+        &camera_device,
+        &ceu0_device,
+        &fsi_device,
+        &fsi_hdmi_device,
+        &fsi_wm8978_device,
 };
 
 static void __init eva_clock_init(void)
@@ -556,10 +910,14 @@ static void __init eva_clock_init(void)
         struct clk *system      = clk_get(NULL, "system_clk");
         struct clk *xtal1       = clk_get(NULL, "extal1");
         struct clk *usb24s      = clk_get(NULL, "usb24s");
+        struct clk *fsibck      = clk_get(NULL, "fsibck");
+        struct clk *fsib        = clk_get(&fsi_device.dev, "ickb");
 
         if (IS_ERR(system)      ||
             IS_ERR(xtal1)       ||
-            IS_ERR(usb24s)) {
+            IS_ERR(usb24s)      ||
+            IS_ERR(fsibck)      ||
+            IS_ERR(fsib)) {
                 pr_err("armadillo800eva board clock init failed\n");
                 goto clock_error;
         }
@@ -570,6 +928,11 @@ static void __init eva_clock_init(void)
         /* usb24s use extal1 (= system) clock (= 24MHz) */
         clk_set_parent(usb24s, system);
 
+        /* FSIBCK is 12.288MHz, and it is parent of FSI-B */
+        clk_set_parent(fsib, fsibck);
+        clk_set_rate(fsibck, 12288000);
+        clk_set_rate(fsib,   12288000);
+
 clock_error:
         if (!IS_ERR(system))
                 clk_put(system);
@@ -577,16 +940,26 @@ clock_error:
                 clk_put(xtal1);
         if (!IS_ERR(usb24s))
                 clk_put(usb24s);
+        if (!IS_ERR(fsibck))
+                clk_put(fsibck);
+        if (!IS_ERR(fsib))
+                clk_put(fsib);
 }
 
 /*
  * board init
  */
+#define GPIO_PORT7CR    0xe6050007
+#define GPIO_PORT8CR    0xe6050008
 static void __init eva_init(void)
 {
-        eva_clock_init();
+        struct platform_device *usb = NULL;
+
+        regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
+                                     ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
 
         r8a7740_pinmux_init();
+        r8a7740_meram_workaround();
 
         /* SCIFA1 */
         gpio_request(GPIO_FN_SCIFA1_RXD, NULL);
@@ -667,8 +1040,19 @@ static void __init eva_init(void)
                 /* USB Host */
         } else {
                 /* USB Func */
-                gpio_request(GPIO_FN_VBUS, NULL);
+                /*
+                 * A1 chip has 2 IRQ7 pin and it was controled by MSEL register.
+                 * OTOH, usbhs interrupt needs its value (HI/LOW) to decide
+                 * USB connection/disconnection (usbhsf_get_vbus()).
+                 * This means we needs to select GPIO_FN_IRQ7_PORT209 first,
+                 * and select GPIO_PORT209 here
+                 */
+                gpio_request(GPIO_FN_IRQ7_PORT209, NULL);
+                gpio_request(GPIO_PORT209, NULL);
+                gpio_direction_input(GPIO_PORT209);
+
                 platform_device_register(&usbhsf_device);
+                usb = &usbhsf_device;
         }
 
         /* SDHI0 */
@@ -706,6 +1090,48 @@ static void __init eva_init(void)
         gpio_request(GPIO_FN_MMC1_D6_PORT143,   NULL);
         gpio_request(GPIO_FN_MMC1_D7_PORT142,   NULL);
 
+        /* CEU0 */
+        gpio_request(GPIO_FN_VIO0_D7,           NULL);
+        gpio_request(GPIO_FN_VIO0_D6,           NULL);
+        gpio_request(GPIO_FN_VIO0_D5,           NULL);
+        gpio_request(GPIO_FN_VIO0_D4,           NULL);
+        gpio_request(GPIO_FN_VIO0_D3,           NULL);
+        gpio_request(GPIO_FN_VIO0_D2,           NULL);
+        gpio_request(GPIO_FN_VIO0_D1,           NULL);
+        gpio_request(GPIO_FN_VIO0_D0,           NULL);
+        gpio_request(GPIO_FN_VIO0_CLK,          NULL);
+        gpio_request(GPIO_FN_VIO0_HD,           NULL);
+        gpio_request(GPIO_FN_VIO0_VD,           NULL);
+        gpio_request(GPIO_FN_VIO0_FIELD,        NULL);
+        gpio_request(GPIO_FN_VIO_CKO,           NULL);
+
+        /* CON1/CON15 Camera */
+        gpio_request(GPIO_PORT173, NULL); /* STANDBY */
+        gpio_request(GPIO_PORT172, NULL); /* RST */
+        gpio_request(GPIO_PORT158, NULL); /* CAM_PON */
+        gpio_direction_output(GPIO_PORT173, 0);
+        gpio_direction_output(GPIO_PORT172, 1);
+        gpio_direction_output(GPIO_PORT158, 0); /* see mt9t111_power() */
+
+        /* FSI-WM8978 */
+        gpio_request(GPIO_FN_FSIAIBT,           NULL);
+        gpio_request(GPIO_FN_FSIAILR,           NULL);
+        gpio_request(GPIO_FN_FSIAOMC,           NULL);
+        gpio_request(GPIO_FN_FSIAOSLD,          NULL);
+        gpio_request(GPIO_FN_FSIAISLD_PORT5,    NULL);
+
+        gpio_request(GPIO_PORT7, NULL);
+        gpio_request(GPIO_PORT8, NULL);
+        gpio_direction_none(GPIO_PORT7CR); /* FSIAOBT needs no direction */
+        gpio_direction_none(GPIO_PORT8CR); /* FSIAOLR needs no direction */
+
+        /* FSI-HDMI */
+        gpio_request(GPIO_FN_FSIBCK,            NULL);
+
+        /* HDMI */
+        gpio_request(GPIO_FN_HDMI_HPD,          NULL);
+        gpio_request(GPIO_FN_HDMI_CEC,          NULL);
+
         /*
          * CAUTION
          *
@@ -752,6 +1178,13 @@ static void __init eva_init(void)
 
         platform_add_devices(eva_devices,
                              ARRAY_SIZE(eva_devices));
+
+        eva_clock_init();
+
+        rmobile_add_device_to_domain(&r8a7740_pd_a4lc, &lcdc0_device);
+        rmobile_add_device_to_domain(&r8a7740_pd_a4lc, &hdmi_lcdc_device);
+        if (usb)
+                rmobile_add_device_to_domain(&r8a7740_pd_a3sp, usb);
 }
 
 static void __init eva_earlytimer_init(void)
diff --git a/arch/arm/mach-shmobile/board-bonito.c b/arch/arm/mach-shmobile/board-bonito.c
index e9b32cfbf741..4129008eae29 100644
--- a/arch/arm/mach-shmobile/board-bonito.c
+++ b/arch/arm/mach-shmobile/board-bonito.c
@@ -26,6 +26,8 @@
 #include <linux/irq.h>
 #include <linux/platform_device.h>
 #include <linux/gpio.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/smsc911x.h>
 #include <linux/videodev2.h>
 #include <mach/common.h>
@@ -75,6 +77,12 @@
  * S38.2 = OFF
  */
 
+/* Dummy supplies, where voltage doesn't matter */
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x"),
+};
+
 /*
  * FPGA
  */
@@ -360,6 +368,8 @@ static void __init bonito_init(void)
 {
         u16 val;
 
+        regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
+
         r8a7740_pinmux_init();
         bonito_fpga_init();
 
diff --git a/arch/arm/mach-shmobile/board-g4evm.c b/arch/arm/mach-shmobile/board-g4evm.c
index f1257321999a..fa5dfc5c8ed6 100644
--- a/arch/arm/mach-shmobile/board-g4evm.c
+++ b/arch/arm/mach-shmobile/board-g4evm.c
@@ -26,6 +26,8 @@
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/physmap.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/usb/r8a66597.h>
 #include <linux/io.h>
 #include <linux/input.h>
@@ -196,6 +198,15 @@ static struct platform_device keysc_device = {
         },
 };
 
+/* Fixed 3.3V regulator to be used by SDHI0 and SDHI1 */
+static struct regulator_consumer_supply fixed3v3_power_consumers[] =
+{
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"),
+};
+
 /* SDHI */
 static struct sh_mobile_sdhi_info sdhi0_info = {
         .tmio_caps      = MMC_CAP_SDIO_IRQ,
@@ -271,26 +282,11 @@ static struct platform_device *g4evm_devices[] __initdata = {
 #define GPIO_SDHID1_D3  0xe6052106
 #define GPIO_SDHICMD1   0xe6052107
 
-/*
- * FIXME !!
- *
- * gpio_pull_up is quick_hack.
- *
- * current gpio frame work doesn't have
- * the method to control only pull up/down/free.
- * this function should be replaced by correct gpio function
- */
-static void __init gpio_pull_up(u32 addr)
-{
-        u8 data = __raw_readb(addr);
-
-        data &= 0x0F;
-        data |= 0xC0;
-        __raw_writeb(data, addr);
-}
-
 static void __init g4evm_init(void)
 {
+        regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
+                                     ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
+
         sh7377_pinmux_init();
 
         /* Lit DS14 LED */
@@ -351,11 +347,11 @@ static void __init g4evm_init(void)
         gpio_request(GPIO_FN_SDHID0_3, NULL);
         gpio_request(GPIO_FN_SDHICMD0, NULL);
         gpio_request(GPIO_FN_SDHIWP0, NULL);
-        gpio_pull_up(GPIO_SDHID0_D0);
-        gpio_pull_up(GPIO_SDHID0_D1);
-        gpio_pull_up(GPIO_SDHID0_D2);
-        gpio_pull_up(GPIO_SDHID0_D3);
-        gpio_pull_up(GPIO_SDHICMD0);
+        gpio_request_pullup(GPIO_SDHID0_D0);
+        gpio_request_pullup(GPIO_SDHID0_D1);
+        gpio_request_pullup(GPIO_SDHID0_D2);
+        gpio_request_pullup(GPIO_SDHID0_D3);
+        gpio_request_pullup(GPIO_SDHICMD0);
 
         /* SDHI1 */
         gpio_request(GPIO_FN_SDHICLK1, NULL);
@@ -364,11 +360,11 @@ static void __init g4evm_init(void)
         gpio_request(GPIO_FN_SDHID1_2, NULL);
         gpio_request(GPIO_FN_SDHID1_3, NULL);
         gpio_request(GPIO_FN_SDHICMD1, NULL);
-        gpio_pull_up(GPIO_SDHID1_D0);
-        gpio_pull_up(GPIO_SDHID1_D1);
-        gpio_pull_up(GPIO_SDHID1_D2);
-        gpio_pull_up(GPIO_SDHID1_D3);
-        gpio_pull_up(GPIO_SDHICMD1);
+        gpio_request_pullup(GPIO_SDHID1_D0);
+        gpio_request_pullup(GPIO_SDHID1_D1);
+        gpio_request_pullup(GPIO_SDHID1_D2);
+        gpio_request_pullup(GPIO_SDHID1_D3);
+        gpio_request_pullup(GPIO_SDHICMD1);
 
         sh7377_add_standard_devices();
 
diff --git a/arch/arm/mach-shmobile/board-kota2.c b/arch/arm/mach-shmobile/board-kota2.c
index f60f1b281cc4..21dbe54304d5 100644
--- a/arch/arm/mach-shmobile/board-kota2.c
+++ b/arch/arm/mach-shmobile/board-kota2.c
@@ -27,6 +27,8 @@
 #include <linux/platform_device.h>
 #include <linux/delay.h>
 #include <linux/io.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/smsc911x.h>
 #include <linux/gpio.h>
 #include <linux/input.h>
@@ -49,6 +51,12 @@
 #include <asm/hardware/cache-l2x0.h>
 #include <asm/traps.h>
 
+/* Dummy supplies, where voltage doesn't matter */
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x"),
+};
+
 /* SMSC 9220 */
 static struct resource smsc9220_resources[] = {
         [0] = {
@@ -288,6 +296,13 @@ static struct platform_device leds_tpu30_device = {
         .resource       = tpu30_resources,
 };
 
+/* Fixed 1.8V regulator to be used by MMCIF */
+static struct regulator_consumer_supply fixed1v8_power_consumers[] =
+{
+        REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mmcif.0"),
+};
+
 /* MMCIF */
 static struct resource mmcif_resources[] = {
         [0] = {
@@ -321,6 +336,15 @@ static struct platform_device mmcif_device = {
         .resource       = mmcif_resources,
 };
 
+/* Fixed 3.3V regulator to be used by SDHI0 and SDHI1 */
+static struct regulator_consumer_supply fixed3v3_power_consumers[] =
+{
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"),
+};
+
 /* SDHI0 */
 static struct sh_mobile_sdhi_info sdhi0_info = {
         .tmio_caps      = MMC_CAP_SD_HIGHSPEED,
@@ -411,6 +435,12 @@ static struct platform_device *kota2_devices[] __initdata = {
 
 static void __init kota2_init(void)
 {
+        regulator_register_always_on(0, "fixed-1.8V", fixed1v8_power_consumers,
+                                     ARRAY_SIZE(fixed1v8_power_consumers), 1800000);
+        regulator_register_always_on(1, "fixed-3.3V", fixed3v3_power_consumers,
+                                     ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
+        regulator_register_fixed(2, dummy_supplies, ARRAY_SIZE(dummy_supplies));
+
         sh73a0_pinmux_init();
 
         /* SCIFA2 (UART2) */
diff --git a/arch/arm/mach-shmobile/board-kzm9d.c b/arch/arm/mach-shmobile/board-kzm9d.c
index 6a33cf393428..2c986eaae7b4 100644
--- a/arch/arm/mach-shmobile/board-kzm9d.c
+++ b/arch/arm/mach-shmobile/board-kzm9d.c
@@ -21,6 +21,8 @@
 #include <linux/kernel.h>
 #include <linux/interrupt.h>
 #include <linux/platform_device.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/smsc911x.h>
 #include <mach/common.h>
 #include <mach/emev2.h>
@@ -28,6 +30,12 @@
 #include <asm/mach/arch.h>
 #include <asm/hardware/gic.h>
 
+/* Dummy supplies, where voltage doesn't matter */
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x"),
+};
+
 /* Ether */
 static struct resource smsc911x_resources[] = {
         [0] = {
@@ -63,6 +71,8 @@ static struct platform_device *kzm9d_devices[] __initdata = {
 
 void __init kzm9d_add_standard_devices(void)
 {
+        regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
+
         emev2_add_standard_devices();
 
         platform_add_devices(kzm9d_devices, ARRAY_SIZE(kzm9d_devices));
diff --git a/arch/arm/mach-shmobile/board-kzm9g.c b/arch/arm/mach-shmobile/board-kzm9g.c
index c0ae815e7beb..53b7ea92c32c 100644
--- a/arch/arm/mach-shmobile/board-kzm9g.c
+++ b/arch/arm/mach-shmobile/board-kzm9g.c
@@ -30,9 +30,14 @@
 #include <linux/mmc/sh_mobile_sdhi.h>
 #include <linux/mfd/tmio.h>
 #include <linux/platform_device.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/smsc911x.h>
 #include <linux/usb/r8a66597.h>
+#include <linux/usb/renesas_usbhs.h>
 #include <linux/videodev2.h>
+#include <sound/sh_fsi.h>
+#include <sound/simple_card.h>
 #include <mach/irqs.h>
 #include <mach/sh73a0.h>
 #include <mach/common.h>
@@ -54,6 +59,20 @@
 #define GPIO_PCF8575_PORT15     (GPIO_NR + 13)
 #define GPIO_PCF8575_PORT16     (GPIO_NR + 14)
 
+/* Dummy supplies, where voltage doesn't matter */
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x"),
+};
+
+/*
+ * FSI-AK4648
+ *
+ * this command is required when playback.
+ *
+ * # amixer set "LINEOUT Mixer DACL" on
+ */
+
 /* SMSC 9221 */
 static struct resource smsc9221_resources[] = {
         [0] = {
@@ -112,6 +131,151 @@ static struct platform_device usb_host_device = {
         .resource       = usb_resources,
 };
 
+/* USB Func CN17 */
+struct usbhs_private {
+        unsigned int phy;
+        unsigned int cr2;
+        struct renesas_usbhs_platform_info info;
+};
+
+#define IRQ15                   intcs_evt2irq(0x03e0)
+#define USB_PHY_MODE            (1 << 4)
+#define USB_PHY_INT_EN          ((1 << 3) | (1 << 2))
+#define USB_PHY_ON              (1 << 1)
+#define USB_PHY_OFF             (1 << 0)
+#define USB_PHY_INT_CLR         (USB_PHY_ON | USB_PHY_OFF)
+
+#define usbhs_get_priv(pdev) \
+        container_of(renesas_usbhs_get_info(pdev), struct usbhs_private, info)
+
+static int usbhs_get_vbus(struct platform_device *pdev)
+{
+        struct usbhs_private *priv = usbhs_get_priv(pdev);
+
+        return !((1 << 7) & __raw_readw(priv->cr2));
+}
+
+static void usbhs_phy_reset(struct platform_device *pdev)
+{
+        struct usbhs_private *priv = usbhs_get_priv(pdev);
+
+        /* init phy */
+        __raw_writew(0x8a0a, priv->cr2);
+}
+
+static int usbhs_get_id(struct platform_device *pdev)
+{
+        return USBHS_GADGET;
+}
+
+static irqreturn_t usbhs_interrupt(int irq, void *data)
+{
+        struct platform_device *pdev = data;
+        struct usbhs_private *priv = usbhs_get_priv(pdev);
+
+        renesas_usbhs_call_notify_hotplug(pdev);
+
+        /* clear status */
+        __raw_writew(__raw_readw(priv->phy) | USB_PHY_INT_CLR, priv->phy);
+
+        return IRQ_HANDLED;
+}
+
+static int usbhs_hardware_init(struct platform_device *pdev)
+{
+        struct usbhs_private *priv = usbhs_get_priv(pdev);
+        int ret;
+
+        /* clear interrupt status */
+        __raw_writew(USB_PHY_MODE | USB_PHY_INT_CLR, priv->phy);
+
+        ret = request_irq(IRQ15, usbhs_interrupt, IRQF_TRIGGER_HIGH,
+                          dev_name(&pdev->dev), pdev);
+        if (ret) {
+                dev_err(&pdev->dev, "request_irq err\n");
+                return ret;
+        }
+
+        /* enable USB phy interrupt */
+        __raw_writew(USB_PHY_MODE | USB_PHY_INT_EN, priv->phy);
+
+        return 0;
+}
+
+static void usbhs_hardware_exit(struct platform_device *pdev)
+{
+        struct usbhs_private *priv = usbhs_get_priv(pdev);
+
+        /* clear interrupt status */
+        __raw_writew(USB_PHY_MODE | USB_PHY_INT_CLR, priv->phy);
+
+        free_irq(IRQ15, pdev);
+}
+
+static u32 usbhs_pipe_cfg[] = {
+        USB_ENDPOINT_XFER_CONTROL,
+        USB_ENDPOINT_XFER_ISOC,
+        USB_ENDPOINT_XFER_ISOC,
+        USB_ENDPOINT_XFER_BULK,
+        USB_ENDPOINT_XFER_BULK,
+        USB_ENDPOINT_XFER_BULK,
+        USB_ENDPOINT_XFER_INT,
+        USB_ENDPOINT_XFER_INT,
+        USB_ENDPOINT_XFER_INT,
+        USB_ENDPOINT_XFER_BULK,
+        USB_ENDPOINT_XFER_BULK,
+        USB_ENDPOINT_XFER_BULK,
+        USB_ENDPOINT_XFER_BULK,
+        USB_ENDPOINT_XFER_BULK,
+        USB_ENDPOINT_XFER_BULK,
+        USB_ENDPOINT_XFER_BULK,
+};
+
+static struct usbhs_private usbhs_private = {
+        .phy    = 0xe60781e0,           /* USBPHYINT */
+        .cr2    = 0xe605810c,           /* USBCR2 */
+        .info = {
+                .platform_callback = {
+                        .hardware_init  = usbhs_hardware_init,
+                        .hardware_exit  = usbhs_hardware_exit,
+                        .get_id         = usbhs_get_id,
+                        .phy_reset      = usbhs_phy_reset,
+                        .get_vbus       = usbhs_get_vbus,
+                },
+                .driver_param = {
+                        .buswait_bwait  = 4,
+                        .has_otg        = 1,
+                        .pipe_type      = usbhs_pipe_cfg,
+                        .pipe_size      = ARRAY_SIZE(usbhs_pipe_cfg),
+                },
+        },
+};
+
+static struct resource usbhs_resources[] = {
+        [0] = {
+                .start  = 0xE6890000,
+                .end    = 0xE68900e6 - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = gic_spi(62),
+                .end    = gic_spi(62),
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device usbhs_device = {
+        .name   = "renesas_usbhs",
+        .id     = -1,
+        .dev = {
+                .dma_mask               = NULL,
+                .coherent_dma_mask      = 0xffffffff,
+                .platform_data          = &usbhs_private.info,
+        },
+        .num_resources  = ARRAY_SIZE(usbhs_resources),
+        .resource       = usbhs_resources,
+};
+
 /* LCDC */
 static struct fb_videomode kzm_lcdc_mode = {
         .name           = "WVGA Panel",
@@ -166,6 +330,13 @@ static struct platform_device lcdc_device = {
         },
 };
 
+/* Fixed 1.8V regulator to be used by MMCIF */
+static struct regulator_consumer_supply fixed1v8_power_consumers[] =
+{
+        REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mmcif.0"),
+};
+
 /* MMCIF */
 static struct resource sh_mmcif_resources[] = {
         [0] = {
@@ -187,6 +358,8 @@ static struct resource sh_mmcif_resources[] = {
 static struct sh_mmcif_plat_data sh_mmcif_platdata = {
         .ocr            = MMC_VDD_165_195,
         .caps           = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE,
+        .slave_id_tx    = SHDMA_SLAVE_MMCIF_TX,
+        .slave_id_rx    = SHDMA_SLAVE_MMCIF_RX,
 };
 
 static struct platform_device mmc_device = {
@@ -200,6 +373,15 @@ static struct platform_device mmc_device = {
         .resource       = sh_mmcif_resources,
 };
 
+/* Fixed 2.8V regulators to be used by SDHI0 and SDHI2 */
+static struct regulator_consumer_supply fixed2v8_power_consumers[] =
+{
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.2"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.2"),
+};
+
 /* SDHI */
 static struct sh_mobile_sdhi_info sdhi0_info = {
         .tmio_flags     = TMIO_MMC_HAS_IDLE_WAIT,
@@ -240,6 +422,50 @@ static struct platform_device sdhi0_device = {
         },
 };
 
+/* Micro SD */
+static struct sh_mobile_sdhi_info sdhi2_info = {
+        .tmio_flags     = TMIO_MMC_HAS_IDLE_WAIT |
+                          TMIO_MMC_USE_GPIO_CD |
+                          TMIO_MMC_WRPROTECT_DISABLE,
+        .tmio_caps      = MMC_CAP_SD_HIGHSPEED,
+        .tmio_ocr_mask  = MMC_VDD_27_28 | MMC_VDD_28_29,
+        .cd_gpio        = GPIO_PORT13,
+};
+
+static struct resource sdhi2_resources[] = {
+        [0] = {
+                .name   = "SDHI2",
+                .start  = 0xee140000,
+                .end    = 0xee1400ff,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .name   = SH_MOBILE_SDHI_IRQ_CARD_DETECT,
+                .start  = gic_spi(103),
+                .flags  = IORESOURCE_IRQ,
+        },
+        [2] = {
+                .name   = SH_MOBILE_SDHI_IRQ_SDCARD,
+                .start  = gic_spi(104),
+                .flags  = IORESOURCE_IRQ,
+        },
+        [3] = {
+                .name   = SH_MOBILE_SDHI_IRQ_SDIO,
+                .start  = gic_spi(105),
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device sdhi2_device = {
+        .name           = "sh_mobile_sdhi",
+        .id             = 2,
+        .num_resources  = ARRAY_SIZE(sdhi2_resources),
+        .resource       = sdhi2_resources,
+        .dev    = {
+                .platform_data  = &sdhi2_info,
+        },
+};
+
 /* KEY */
 #define GPIO_KEY(c, g, d) { .code = c, .gpio = g, .desc = d, .active_low = 1 }
 
@@ -267,11 +493,74 @@ static struct platform_device gpio_keys_device = {
         },
 };
 
+/* FSI-AK4648 */
+static struct sh_fsi_platform_info fsi_info = {
+        .port_a = {
+                .tx_id = SHDMA_SLAVE_FSI2A_TX,
+        },
+};
+
+static struct resource fsi_resources[] = {
+        [0] = {
+                .name   = "FSI",
+                .start  = 0xEC230000,
+                .end    = 0xEC230400 - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = gic_spi(146),
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device fsi_device = {
+        .name           = "sh_fsi2",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(fsi_resources),
+        .resource       = fsi_resources,
+        .dev    = {
+                .platform_data  = &fsi_info,
+        },
+};
+
+static struct asoc_simple_dai_init_info fsi2_ak4648_init_info = {
+        .fmt            = SND_SOC_DAIFMT_LEFT_J,
+        .codec_daifmt   = SND_SOC_DAIFMT_CBM_CFM,
+        .cpu_daifmt     = SND_SOC_DAIFMT_CBS_CFS,
+        .sysclk         = 11289600,
+};
+
+static struct asoc_simple_card_info fsi2_ak4648_info = {
+        .name           = "AK4648",
+        .card           = "FSI2A-AK4648",
+        .cpu_dai        = "fsia-dai",
+        .codec          = "ak4642-codec.0-0012",
+        .platform       = "sh_fsi2",
+        .codec_dai      = "ak4642-hifi",
+        .init           = &fsi2_ak4648_init_info,
+};
+
+static struct platform_device fsi_ak4648_device = {
+        .name   = "asoc-simple-card",
+        .dev    = {
+                .platform_data  = &fsi2_ak4648_info,
+        },
+};
+
 /* I2C */
 static struct pcf857x_platform_data pcf8575_pdata = {
         .gpio_base      = GPIO_PCF8575_BASE,
 };
 
+static struct i2c_board_info i2c0_devices[] = {
+        {
+                I2C_BOARD_INFO("ak4648", 0x12),
+        },
+        {
+                I2C_BOARD_INFO("r2025sd", 0x32),
+        }
+};
+
 static struct i2c_board_info i2c1_devices[] = {
         {
                 I2C_BOARD_INFO("st1232-ts", 0x55),
@@ -289,10 +578,14 @@ static struct i2c_board_info i2c3_devices[] = {
 static struct platform_device *kzm_devices[] __initdata = {
         &smsc_device,
         &usb_host_device,
+        &usbhs_device,
         &lcdc_device,
         &mmc_device,
         &sdhi0_device,
+        &sdhi2_device,
         &gpio_keys_device,
+        &fsi_device,
+        &fsi_ak4648_device,
 };
 
 /*
@@ -350,6 +643,12 @@ device_initcall(as3711_enable_lcdc_backlight);
 
 static void __init kzm_init(void)
 {
+        regulator_register_always_on(0, "fixed-1.8V", fixed1v8_power_consumers,
+                                     ARRAY_SIZE(fixed1v8_power_consumers), 1800000);
+        regulator_register_always_on(1, "fixed-2.8V", fixed2v8_power_consumers,
+                                     ARRAY_SIZE(fixed2v8_power_consumers), 2800000);
+        regulator_register_fixed(2, dummy_supplies, ARRAY_SIZE(dummy_supplies));
+
         sh73a0_pinmux_init();
 
         /* enable SCIFA4 */
@@ -427,15 +726,36 @@ static void __init kzm_init(void)
         gpio_request(GPIO_PORT15, NULL);
         gpio_direction_output(GPIO_PORT15, 1); /* power */
 
+        /* enable Micro SD */
+        gpio_request(GPIO_FN_SDHID2_0,          NULL);
+        gpio_request(GPIO_FN_SDHID2_1,          NULL);
+        gpio_request(GPIO_FN_SDHID2_2,          NULL);
+        gpio_request(GPIO_FN_SDHID2_3,          NULL);
+        gpio_request(GPIO_FN_SDHICMD2,          NULL);
+        gpio_request(GPIO_FN_SDHICLK2,          NULL);
+        gpio_request(GPIO_PORT14, NULL);
+        gpio_direction_output(GPIO_PORT14, 1); /* power */
+
         /* I2C 3 */
         gpio_request(GPIO_FN_PORT27_I2C_SCL3, NULL);
         gpio_request(GPIO_FN_PORT28_I2C_SDA3, NULL);
 
+        /* enable FSI2 port A (ak4648) */
+        gpio_request(GPIO_FN_FSIACK,    NULL);
+        gpio_request(GPIO_FN_FSIAILR,   NULL);
+        gpio_request(GPIO_FN_FSIAIBT,   NULL);
+        gpio_request(GPIO_FN_FSIAISLD,  NULL);
+        gpio_request(GPIO_FN_FSIAOSLD,  NULL);
+
+        /* enable USB */
+        gpio_request(GPIO_FN_VBUS_0,    NULL);
+
 #ifdef CONFIG_CACHE_L2X0
         /* Early BRESP enable, Shared attribute override enable, 64K*8way */
         l2x0_init(IOMEM(0xf0100000), 0x40460000, 0x82000fff);
 #endif
 
+        i2c_register_board_info(0, i2c0_devices, ARRAY_SIZE(i2c0_devices));
         i2c_register_board_info(1, i2c1_devices, ARRAY_SIZE(i2c1_devices));
         i2c_register_board_info(3, i2c3_devices, ARRAY_SIZE(i2c3_devices));
 
diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c
index 150122a44630..7ea2b31e3199 100644
--- a/arch/arm/mach-shmobile/board-mackerel.c
+++ b/arch/arm/mach-shmobile/board-mackerel.c
@@ -41,6 +41,8 @@
 #include <linux/mtd/physmap.h>
 #include <linux/mtd/sh_flctl.h>
 #include <linux/pm_clock.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/smsc911x.h>
 #include <linux/sh_intc.h>
 #include <linux/tca6416_keypad.h>
@@ -203,31 +205,32 @@
  * amixer set "HPOUTR Mixer DACH" on
  */
 
-/*
- * FIXME !!
- *
- * gpio_no_direction
- * gpio_pull_down
- * are quick_hack.
- *
- * current gpio frame work doesn't have
- * the method to control only pull up/down/free.
- * this function should be replaced by correct gpio function
- */
-static void __init gpio_no_direction(u32 addr)
+/* Fixed 3.3V and 1.8V regulators to be used by multiple devices */
+static struct regulator_consumer_supply fixed1v8_power_consumers[] =
 {
-        __raw_writeb(0x00, addr);
-}
+        /*
+         * J22 on mackerel switches mmcif.0 and sdhi.1 between 1.8V and 3.3V
+         * Since we cannot support both voltages, we support the default 1.8V
+         */
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"),
+        REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mmcif.0"),
+};
 
-static void __init gpio_pull_down(u32 addr)
+static struct regulator_consumer_supply fixed3v3_power_consumers[] =
 {
-        u8 data = __raw_readb(addr);
-
-        data &= 0x0F;
-        data |= 0xA0;
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.2"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.2"),
+};
 
-        __raw_writeb(data, addr);
-}
+/* Dummy supplies, where voltage doesn't matter */
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x"),
+};
 
 /* MTD */
 static struct mtd_partition nor_flash_partitions[] = {
@@ -1409,6 +1412,12 @@ static void __init mackerel_init(void)
         u32 srcr4;
         struct clk *clk;
 
+        regulator_register_always_on(0, "fixed-1.8V", fixed1v8_power_consumers,
+                                     ARRAY_SIZE(fixed1v8_power_consumers), 1800000);
+        regulator_register_always_on(1, "fixed-3.3V", fixed3v3_power_consumers,
+                                     ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
+        regulator_register_fixed(2, dummy_supplies, ARRAY_SIZE(dummy_supplies));
+
         /* External clock source */
         clk_set_rate(&sh7372_dv_clki_clk, 27000000);
 
@@ -1458,11 +1467,11 @@ static void __init mackerel_init(void)
 
         /* USBHS0 */
         gpio_request(GPIO_FN_VBUS0_0, NULL);
-        gpio_pull_down(GPIO_PORT168CR); /* VBUS0_0 pull down */
+        gpio_request_pulldown(GPIO_PORT168CR); /* VBUS0_0 pull down */
 
         /* USBHS1 */
         gpio_request(GPIO_FN_VBUS0_1, NULL);
-        gpio_pull_down(GPIO_PORT167CR); /* VBUS0_1 pull down */
+        gpio_request_pulldown(GPIO_PORT167CR); /* VBUS0_1 pull down */
         gpio_request(GPIO_FN_IDIN_1_113, NULL);
 
         /* enable FSI2 port A (ak4643) */
@@ -1475,8 +1484,8 @@ static void __init mackerel_init(void)
 
         gpio_request(GPIO_PORT9,  NULL);
         gpio_request(GPIO_PORT10, NULL);
-        gpio_no_direction(GPIO_PORT9CR);  /* FSIAOBT needs no direction */
-        gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */
+        gpio_direction_none(GPIO_PORT9CR);  /* FSIAOBT needs no direction */
+        gpio_direction_none(GPIO_PORT10CR); /* FSIAOLR needs no direction */
 
         intc_set_priority(IRQ_FSI, 3); /* irq priority FSI(3) > SMSC911X(2) */
 
@@ -1614,20 +1623,20 @@ static void __init mackerel_init(void)
 
         platform_add_devices(mackerel_devices, ARRAY_SIZE(mackerel_devices));
 
-        sh7372_add_device_to_domain(&sh7372_a4lc, &lcdc_device);
-        sh7372_add_device_to_domain(&sh7372_a4lc, &hdmi_lcdc_device);
-        sh7372_add_device_to_domain(&sh7372_a4lc, &meram_device);
-        sh7372_add_device_to_domain(&sh7372_a4mp, &fsi_device);
-        sh7372_add_device_to_domain(&sh7372_a3sp, &usbhs0_device);
-        sh7372_add_device_to_domain(&sh7372_a3sp, &usbhs1_device);
-        sh7372_add_device_to_domain(&sh7372_a3sp, &nand_flash_device);
-        sh7372_add_device_to_domain(&sh7372_a3sp, &sh_mmcif_device);
-        sh7372_add_device_to_domain(&sh7372_a3sp, &sdhi0_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a4lc, &lcdc_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a4lc, &hdmi_lcdc_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a4lc, &meram_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a4mp, &fsi_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a3sp, &usbhs0_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a3sp, &usbhs1_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a3sp, &nand_flash_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a3sp, &sh_mmcif_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a3sp, &sdhi0_device);
 #if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE)
-        sh7372_add_device_to_domain(&sh7372_a3sp, &sdhi1_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a3sp, &sdhi1_device);
 #endif
-        sh7372_add_device_to_domain(&sh7372_a3sp, &sdhi2_device);
-        sh7372_add_device_to_domain(&sh7372_a4r, &ceu_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a3sp, &sdhi2_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a4r, &ceu_device);
 
         hdmi_init_pm_clock();
         sh7372_pm_init();
diff --git a/arch/arm/mach-shmobile/board-marzen.c b/arch/arm/mach-shmobile/board-marzen.c
index 14de3787cafc..3a528cf4366c 100644
--- a/arch/arm/mach-shmobile/board-marzen.c
+++ b/arch/arm/mach-shmobile/board-marzen.c
@@ -27,6 +27,8 @@
 #include <linux/io.h>
 #include <linux/gpio.h>
 #include <linux/dma-mapping.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/smsc911x.h>
 #include <mach/hardware.h>
 #include <mach/r8a7779.h>
@@ -37,6 +39,12 @@
 #include <asm/hardware/gic.h>
 #include <asm/traps.h>
 
+/* Dummy supplies, where voltage doesn't matter */
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x"),
+};
+
 /* SMSC LAN89218 */
 static struct resource smsc911x_resources[] = {
         [0] = {
@@ -73,6 +81,8 @@ static struct platform_device *marzen_devices[] __initdata = {
 
 static void __init marzen_init(void)
 {
+        regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
+
         r8a7779_pinmux_init();
 
         /* SCIF2 (CN18: DEBUG0) */
diff --git a/arch/arm/mach-shmobile/clock-r8a7740.c b/arch/arm/mach-shmobile/clock-r8a7740.c
index 26eea5f21054..ad5fccc7b5e7 100644
--- a/arch/arm/mach-shmobile/clock-r8a7740.c
+++ b/arch/arm/mach-shmobile/clock-r8a7740.c
@@ -43,7 +43,10 @@
 /* CPG registers */
 #define FRQCRA          0xe6150000
 #define FRQCRB          0xe6150004
+#define VCLKCR1         0xE6150008
+#define VCLKCR2         0xE615000c
 #define FRQCRC          0xe61500e0
+#define FSIACKCR        0xe6150018
 #define PLLC01CR        0xe6150028
 
 #define SUBCKCR         0xe6150080
@@ -54,6 +57,8 @@
 #define MSTPSR2         0xe6150040
 #define MSTPSR3         0xe6150048
 #define MSTPSR4         0xe615004c
+#define FSIBCKCR        0xe6150090
+#define HDMICKCR        0xe6150094
 #define SMSTPCR0        0xe6150130
 #define SMSTPCR1        0xe6150134
 #define SMSTPCR2        0xe6150138
@@ -271,6 +276,13 @@ static struct clk usb24_clk = {
         .parent         = &usb24s_clk,
 };
 
+/* External FSIACK/FSIBCK clock */
+static struct clk fsiack_clk = {
+};
+
+static struct clk fsibck_clk = {
+};
+
 struct clk *main_clks[] = {
         &extalr_clk,
         &extal1_clk,
@@ -288,6 +300,8 @@ struct clk *main_clks[] = {
         &pllc1_div2_clk,
         &usb24s_clk,
         &usb24_clk,
+        &fsiack_clk,
+        &fsibck_clk,
 };
 
 static void div4_kick(struct clk *clk)
@@ -313,6 +327,107 @@ static struct clk_div4_table div4_table = {
         .kick = div4_kick,
 };
 
+/* DIV6 reparent */
+enum {
+        DIV6_HDMI,
+        DIV6_VCLK1, DIV6_VCLK2,
+        DIV6_FSIA, DIV6_FSIB,
+        DIV6_REPARENT_NR,
+};
+
+static struct clk *hdmi_parent[] = {
+        [0] = &pllc1_div2_clk,
+        [1] = &system_clk,
+        [2] = &dv_clk
+};
+
+static struct clk *vclk_parents[8] = {
+        [0] = &pllc1_div2_clk,
+        [2] = &dv_clk,
+        [3] = &usb24s_clk,
+        [4] = &extal1_div2_clk,
+        [5] = &extalr_clk,
+};
+
+static struct clk *fsia_parents[] = {
+        [0] = &pllc1_div2_clk,
+        [1] = &fsiack_clk, /* external clock */
+};
+
+static struct clk *fsib_parents[] = {
+        [0] = &pllc1_div2_clk,
+        [1] = &fsibck_clk, /* external clock */
+};
+
+static struct clk div6_reparent_clks[DIV6_REPARENT_NR] = {
+        [DIV6_HDMI] = SH_CLK_DIV6_EXT(HDMICKCR, 0,
+                                      hdmi_parent, ARRAY_SIZE(hdmi_parent), 6, 2),
+        [DIV6_VCLK1] = SH_CLK_DIV6_EXT(VCLKCR1, 0,
+                                       vclk_parents, ARRAY_SIZE(vclk_parents), 12, 3),
+        [DIV6_VCLK2] = SH_CLK_DIV6_EXT(VCLKCR2, 0,
+                                       vclk_parents, ARRAY_SIZE(vclk_parents), 12, 3),
+        [DIV6_FSIA] = SH_CLK_DIV6_EXT(FSIACKCR, 0,
+                                      fsia_parents, ARRAY_SIZE(fsia_parents), 6, 2),
+        [DIV6_FSIB] = SH_CLK_DIV6_EXT(FSIBCKCR, 0,
+                                      fsib_parents, ARRAY_SIZE(fsib_parents), 6, 2),
+};
+
+/* HDMI1/2 clock */
+static unsigned long hdmi12_recalc(struct clk *clk)
+{
+        u32 val = __raw_readl(HDMICKCR);
+        int shift = (int)clk->priv;
+
+        val >>= shift;
+        val &= 0x3;
+
+        return clk->parent->rate / (1 << val);
+};
+
+static int hdmi12_set_rate(struct clk *clk, unsigned long rate)
+{
+        u32 val, mask;
+        int i, shift;
+
+        for (i = 0; i < 3; i++)
+                if (rate == clk->parent->rate / (1 << i))
+                        goto find;
+        return -ENODEV;
+
+find:
+        shift = (int)clk->priv;
+
+        val = __raw_readl(HDMICKCR);
+        mask = ~(0x3 << shift);
+        val = (val & mask) | i << shift;
+        __raw_writel(val, HDMICKCR);
+
+        return 0;
+};
+
+static struct sh_clk_ops hdmi12_clk_ops = {
+        .recalc         = hdmi12_recalc,
+        .set_rate       = hdmi12_set_rate,
+};
+
+static struct clk hdmi1_clk = {
+        .ops            = &hdmi12_clk_ops,
+        .priv           = (void *)9,
+        .parent         = &div6_reparent_clks[DIV6_HDMI],  /* late install */
+};
+
+static struct clk hdmi2_clk = {
+        .ops            = &hdmi12_clk_ops,
+        .priv           = (void *)11,
+        .parent         = &div6_reparent_clks[DIV6_HDMI], /* late install */
+};
+
+static struct clk *late_main_clks[] = {
+        &hdmi1_clk,
+        &hdmi2_clk,
+};
+
+/* MSTP */
 enum {
         DIV4_I, DIV4_ZG, DIV4_B, DIV4_M1, DIV4_HP,
         DIV4_HPP, DIV4_USBP, DIV4_S, DIV4_ZB, DIV4_M3, DIV4_CP,
@@ -343,11 +458,12 @@ static struct clk div6_clks[DIV6_NR] = {
 };
 
 enum {
-        MSTP125,
+        MSTP128, MSTP127, MSTP125,
         MSTP116, MSTP111, MSTP100, MSTP117,
 
         MSTP230,
         MSTP222,
+        MSTP218, MSTP217, MSTP216, MSTP214,
         MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
 
         MSTP329, MSTP328, MSTP323, MSTP320,
@@ -360,6 +476,8 @@ enum {
 };
 
 static struct clk mstp_clks[MSTP_NR] = {
+        [MSTP128] = SH_CLK_MSTP32(&div4_clks[DIV4_S],   SMSTPCR1, 28, 0), /* CEU21 */
+        [MSTP127] = SH_CLK_MSTP32(&div4_clks[DIV4_S],   SMSTPCR1, 27, 0), /* CEU20 */
         [MSTP125] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR1, 25, 0), /* TMU0 */
         [MSTP117] = SH_CLK_MSTP32(&div4_clks[DIV4_B],   SMSTPCR1, 17, 0), /* LCDC1 */
         [MSTP116] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR1, 16, 0), /* IIC0 */
@@ -368,6 +486,10 @@ static struct clk mstp_clks[MSTP_NR] = {
 
         [MSTP230] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 30, 0), /* SCIFA6 */
         [MSTP222] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 22, 0), /* SCIFA7 */
+        [MSTP218] = SH_CLK_MSTP32(&div4_clks[DIV4_HP],  SMSTPCR2, 18, 0), /* DMAC1 */
+        [MSTP217] = SH_CLK_MSTP32(&div4_clks[DIV4_HP],  SMSTPCR2, 17, 0), /* DMAC2 */
+        [MSTP216] = SH_CLK_MSTP32(&div4_clks[DIV4_HP],  SMSTPCR2, 16, 0), /* DMAC3 */
+        [MSTP214] = SH_CLK_MSTP32(&div4_clks[DIV4_HP],  SMSTPCR2, 14, 0), /* USBDMAC */
         [MSTP207] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2,  7, 0), /* SCIFA5 */
         [MSTP206] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2,  6, 0), /* SCIFB */
         [MSTP204] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2,  4, 0), /* SCIFA0 */
@@ -408,6 +530,12 @@ static struct clk_lookup lookups[] = {
         CLKDEV_CON_ID("pllc1_clk",              &pllc1_clk),
         CLKDEV_CON_ID("pllc1_div2_clk",         &pllc1_div2_clk),
         CLKDEV_CON_ID("usb24s",                 &usb24s_clk),
+        CLKDEV_CON_ID("hdmi1",                  &hdmi1_clk),
+        CLKDEV_CON_ID("hdmi2",                  &hdmi2_clk),
+        CLKDEV_CON_ID("video1",                 &div6_reparent_clks[DIV6_VCLK1]),
+        CLKDEV_CON_ID("video2",                 &div6_reparent_clks[DIV6_VCLK2]),
+        CLKDEV_CON_ID("fsiack",                 &fsiack_clk),
+        CLKDEV_CON_ID("fsibck",                 &fsibck_clk),
 
         /* DIV4 clocks */
         CLKDEV_CON_ID("i_clk",                  &div4_clks[DIV4_I]),
@@ -430,6 +558,8 @@ static struct clk_lookup lookups[] = {
         CLKDEV_DEV_ID("i2c-sh_mobile.0",        &mstp_clks[MSTP116]),
         CLKDEV_DEV_ID("sh_mobile_lcdc_fb.1",    &mstp_clks[MSTP117]),
         CLKDEV_DEV_ID("sh_tmu.0",               &mstp_clks[MSTP125]),
+        CLKDEV_DEV_ID("sh_mobile_ceu.0",        &mstp_clks[MSTP127]),
+        CLKDEV_DEV_ID("sh_mobile_ceu.1",        &mstp_clks[MSTP128]),
 
         CLKDEV_DEV_ID("sh-sci.4",               &mstp_clks[MSTP200]),
         CLKDEV_DEV_ID("sh-sci.3",               &mstp_clks[MSTP201]),
@@ -438,7 +568,10 @@ static struct clk_lookup lookups[] = {
         CLKDEV_DEV_ID("sh-sci.0",               &mstp_clks[MSTP204]),
         CLKDEV_DEV_ID("sh-sci.8",               &mstp_clks[MSTP206]),
         CLKDEV_DEV_ID("sh-sci.5",               &mstp_clks[MSTP207]),
-
+        CLKDEV_DEV_ID("sh-dma-engine.3",        &mstp_clks[MSTP214]),
+        CLKDEV_DEV_ID("sh-dma-engine.2",        &mstp_clks[MSTP216]),
+        CLKDEV_DEV_ID("sh-dma-engine.1",        &mstp_clks[MSTP217]),
+        CLKDEV_DEV_ID("sh-dma-engine.0",        &mstp_clks[MSTP218]),
         CLKDEV_DEV_ID("sh-sci.7",               &mstp_clks[MSTP222]),
         CLKDEV_DEV_ID("sh-sci.6",               &mstp_clks[MSTP230]),
 
@@ -459,6 +592,10 @@ static struct clk_lookup lookups[] = {
         CLKDEV_ICK_ID("phy",    "renesas_usbhs",        &mstp_clks[MSTP406]),
         CLKDEV_ICK_ID("pci",    "renesas_usbhs",        &div4_clks[DIV4_USBP]),
         CLKDEV_ICK_ID("usb24",  "renesas_usbhs",        &usb24_clk),
+        CLKDEV_ICK_ID("ick",    "sh-mobile-hdmi",       &div6_reparent_clks[DIV6_HDMI]),
+
+        CLKDEV_ICK_ID("icka", "sh_fsi2",        &div6_reparent_clks[DIV6_FSIA]),
+        CLKDEV_ICK_ID("ickb", "sh_fsi2",        &div6_reparent_clks[DIV6_FSIB]),
 };
 
 void __init r8a7740_clock_init(u8 md_ck)
@@ -495,7 +632,14 @@ void __init r8a7740_clock_init(u8 md_ck)
                 ret = sh_clk_div6_register(div6_clks, DIV6_NR);
 
         if (!ret)
-                ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR);
+                ret = sh_clk_div6_reparent_register(div6_reparent_clks,
+                                                    DIV6_REPARENT_NR);
+
+        if (!ret)
+                ret = sh_clk_mstp_register(mstp_clks, MSTP_NR);
+
+        for (k = 0; !ret && (k < ARRAY_SIZE(late_main_clks)); k++)
+                ret = clk_register(late_main_clks[k]);
 
         clkdev_add_table(lookups, ARRAY_SIZE(lookups));
 
diff --git a/arch/arm/mach-shmobile/clock-r8a7779.c b/arch/arm/mach-shmobile/clock-r8a7779.c
index 7d6e9fe47b56..339c62c824d5 100644
--- a/arch/arm/mach-shmobile/clock-r8a7779.c
+++ b/arch/arm/mach-shmobile/clock-r8a7779.c
@@ -162,7 +162,7 @@ void __init r8a7779_clock_init(void)
                 ret = sh_clk_div4_register(div4_clks, DIV4_NR, &div4_table);
 
         if (!ret)
-                ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR);
+                ret = sh_clk_mstp_register(mstp_clks, MSTP_NR);
 
         for (k = 0; !ret && (k < ARRAY_SIZE(late_main_clks)); k++)
                 ret = clk_register(late_main_clks[k]);
diff --git a/arch/arm/mach-shmobile/clock-sh7367.c b/arch/arm/mach-shmobile/clock-sh7367.c
index 006e7b5d304c..162b791b8984 100644
--- a/arch/arm/mach-shmobile/clock-sh7367.c
+++ b/arch/arm/mach-shmobile/clock-sh7367.c
@@ -344,7 +344,7 @@ void __init sh7367_clock_init(void)
                 ret = sh_clk_div6_register(div6_clks, DIV6_NR);
 
         if (!ret)
-                ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR);
+                ret = sh_clk_mstp_register(mstp_clks, MSTP_NR);
 
         clkdev_add_table(lookups, ARRAY_SIZE(lookups));
 
diff --git a/arch/arm/mach-shmobile/clock-sh7372.c b/arch/arm/mach-shmobile/clock-sh7372.c
index 94d1f88246d3..5a2894b1c965 100644
--- a/arch/arm/mach-shmobile/clock-sh7372.c
+++ b/arch/arm/mach-shmobile/clock-sh7372.c
@@ -704,7 +704,7 @@ void __init sh7372_clock_init(void)
                 ret = sh_clk_div6_reparent_register(div6_reparent_clks, DIV6_REPARENT_NR);
 
         if (!ret)
-                ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR);
+                ret = sh_clk_mstp_register(mstp_clks, MSTP_NR);
 
         for (k = 0; !ret && (k < ARRAY_SIZE(late_main_clks)); k++)
                 ret = clk_register(late_main_clks[k]);
diff --git a/arch/arm/mach-shmobile/clock-sh7377.c b/arch/arm/mach-shmobile/clock-sh7377.c
index 0798a15936c3..85f2a3ec2c44 100644
--- a/arch/arm/mach-shmobile/clock-sh7377.c
+++ b/arch/arm/mach-shmobile/clock-sh7377.c
@@ -355,7 +355,7 @@ void __init sh7377_clock_init(void)
                 ret = sh_clk_div6_register(div6_clks, DIV6_NR);
 
         if (!ret)
-                ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR);
+                ret = sh_clk_mstp_register(mstp_clks, MSTP_NR);
 
         clkdev_add_table(lookups, ARRAY_SIZE(lookups));
 
diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c b/arch/arm/mach-shmobile/clock-sh73a0.c
index 3946c4ba2aa8..7f8da18a8580 100644
--- a/arch/arm/mach-shmobile/clock-sh73a0.c
+++ b/arch/arm/mach-shmobile/clock-sh73a0.c
@@ -475,9 +475,9 @@ static struct clk *late_main_clks[] = {
 
 enum { MSTP001,
         MSTP129, MSTP128, MSTP127, MSTP126, MSTP125, MSTP118, MSTP116, MSTP100,
-        MSTP219, MSTP218,
+        MSTP219, MSTP218, MSTP217,
         MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
-        MSTP331, MSTP329, MSTP325, MSTP323,
+        MSTP331, MSTP329, MSTP328, MSTP325, MSTP323, MSTP322,
         MSTP314, MSTP313, MSTP312, MSTP311,
         MSTP303, MSTP302, MSTP301, MSTP300,
         MSTP411, MSTP410, MSTP403,
@@ -498,6 +498,7 @@ static struct clk mstp_clks[MSTP_NR] = {
         [MSTP100] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 0, 0), /* LCDC0 */
         [MSTP219] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 19, 0), /* SCIFA7 */
         [MSTP218] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 18, 0), /* SY-DMAC */
+        [MSTP217] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 17, 0), /* MP-DMAC */
         [MSTP207] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 7, 0), /* SCIFA5 */
         [MSTP206] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 6, 0), /* SCIFB */
         [MSTP204] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 4, 0), /* SCIFA0 */
@@ -507,8 +508,10 @@ static struct clk mstp_clks[MSTP_NR] = {
         [MSTP200] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 0, 0), /* SCIFA4 */
         [MSTP331] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 31, 0), /* SCIFA6 */
         [MSTP329] = MSTP(&r_clk, SMSTPCR3, 29, 0), /* CMT10 */
+        [MSTP328] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 28, 0), /*FSI*/
         [MSTP325] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 25, 0), /* IrDA */
         [MSTP323] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 23, 0), /* IIC1 */
+        [MSTP322] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 22, 0), /* USB */
         [MSTP314] = MSTP(&div6_clks[DIV6_SDHI0], SMSTPCR3, 14, 0), /* SDHI0 */
         [MSTP313] = MSTP(&div6_clks[DIV6_SDHI1], SMSTPCR3, 13, 0), /* SDHI1 */
         [MSTP312] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMCIF0 */
@@ -553,6 +556,7 @@ static struct clk_lookup lookups[] = {
         CLKDEV_DEV_ID("sh_mobile_lcdc_fb.0", &mstp_clks[MSTP100]), /* LCDC0 */
         CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP219]), /* SCIFA7 */
         CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks[MSTP218]), /* SY-DMAC */
+        CLKDEV_DEV_ID("sh-dma-engine.1", &mstp_clks[MSTP217]), /* MP-DMAC */
         CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), /* SCIFA5 */
         CLKDEV_DEV_ID("sh-sci.8", &mstp_clks[MSTP206]), /* SCIFB */
         CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), /* SCIFA0 */
@@ -562,8 +566,10 @@ static struct clk_lookup lookups[] = {
         CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP200]), /* SCIFA4 */
         CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP331]), /* SCIFA6 */
         CLKDEV_DEV_ID("sh_cmt.10", &mstp_clks[MSTP329]), /* CMT10 */
+        CLKDEV_DEV_ID("sh_fsi2", &mstp_clks[MSTP328]), /* FSI */
         CLKDEV_DEV_ID("sh_irda.0", &mstp_clks[MSTP325]), /* IrDA */
         CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* I2C1 */
+        CLKDEV_DEV_ID("renesas_usbhs", &mstp_clks[MSTP322]), /* USB */
         CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), /* SDHI0 */
         CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */
         CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMCIF0 */
@@ -612,7 +618,7 @@ void __init sh73a0_clock_init(void)
                 ret = sh_clk_div6_reparent_register(div6_clks, DIV6_NR);
 
         if (!ret)
-                ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR);
+                ret = sh_clk_mstp_register(mstp_clks, MSTP_NR);
 
         for (k = 0; !ret && (k < ARRAY_SIZE(late_main_clks)); k++)
                 ret = clk_register(late_main_clks[k]);
diff --git a/arch/arm/mach-shmobile/include/mach/common.h b/arch/arm/mach-shmobile/include/mach/common.h
index 01e2bc014f15..45e61dada030 100644
--- a/arch/arm/mach-shmobile/include/mach/common.h
+++ b/arch/arm/mach-shmobile/include/mach/common.h
@@ -77,6 +77,7 @@ extern void r8a7779_add_standard_devices(void);
 extern void r8a7779_clock_init(void);
 extern void r8a7779_pinmux_init(void);
 extern void r8a7779_pm_init(void);
+extern void r8a7740_meram_workaround(void);
 
 extern unsigned int r8a7779_get_core_count(void);
 extern int r8a7779_platform_cpu_kill(unsigned int cpu);
diff --git a/arch/arm/mach-shmobile/include/mach/dma-register.h b/arch/arm/mach-shmobile/include/mach/dma-register.h
new file mode 100644
index 000000000000..97c40bd9b94f
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/dma-register.h
@@ -0,0 +1,84 @@
+/*
+ * SH-ARM CPU-specific DMA definitions, used by both DMA drivers
+ *
+ * Copyright (C) 2012 Renesas Solutions Corp
+ *
+ * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ *
+ * Based on arch/sh/include/cpu-sh4/cpu/dma-register.h
+ * Copyright (C) 2010 Guennadi Liakhovetski <g.liakhovetski@gmx.de>
+ *
+ * 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 DMA_REGISTER_H
+#define DMA_REGISTER_H
+
+/*
+ *              Direct Memory Access Controller
+ */
+
+/* Transmit sizes and respective CHCR register values */
+enum {
+        XMIT_SZ_8BIT            = 0,
+        XMIT_SZ_16BIT           = 1,
+        XMIT_SZ_32BIT           = 2,
+        XMIT_SZ_64BIT           = 7,
+        XMIT_SZ_128BIT          = 3,
+        XMIT_SZ_256BIT          = 4,
+        XMIT_SZ_512BIT          = 5,
+};
+
+/* log2(size / 8) - used to calculate number of transfers */
+static const unsigned int dma_ts_shift[] = {
+        [XMIT_SZ_8BIT]          = 0,
+        [XMIT_SZ_16BIT]         = 1,
+        [XMIT_SZ_32BIT]         = 2,
+        [XMIT_SZ_64BIT]         = 3,
+        [XMIT_SZ_128BIT]        = 4,
+        [XMIT_SZ_256BIT]        = 5,
+        [XMIT_SZ_512BIT]        = 6,
+};
+
+#define TS_LOW_BIT      0x3 /* --xx */
+#define TS_HI_BIT       0xc /* xx-- */
+
+#define TS_LOW_SHIFT    (3)
+#define TS_HI_SHIFT     (20 - 2)        /* 2 bits for shifted low TS */
+
+#define TS_INDEX2VAL(i) \
+        ((((i) & TS_LOW_BIT) << TS_LOW_SHIFT) |\
+         (((i) & TS_HI_BIT)  << TS_HI_SHIFT))
+
+#define CHCR_TX(xmit_sz) (DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL((xmit_sz)))
+#define CHCR_RX(xmit_sz) (DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL((xmit_sz)))
+
+
+/*
+ *              USB High-Speed DMAC
+ */
+/* Transmit sizes and respective CHCR register values */
+enum {
+        USBTS_XMIT_SZ_8BYTE             = 0,
+        USBTS_XMIT_SZ_16BYTE            = 1,
+        USBTS_XMIT_SZ_32BYTE            = 2,
+};
+
+/* log2(size / 8) - used to calculate number of transfers */
+static const unsigned int dma_usbts_shift[] = {
+        [USBTS_XMIT_SZ_8BYTE]   = 3,
+        [USBTS_XMIT_SZ_16BYTE]  = 4,
+        [USBTS_XMIT_SZ_32BYTE]  = 5,
+};
+
+#define USBTS_LOW_BIT   0x3 /* --xx */
+#define USBTS_HI_BIT    0x0 /* ---- */
+
+#define USBTS_LOW_SHIFT 6
+#define USBTS_HI_SHIFT  0
+
+#define USBTS_INDEX2VAL(i) (((i) & 3) << 6)
+
+#endif /* DMA_REGISTER_H */
diff --git a/arch/arm/mach-shmobile/include/mach/gpio.h b/arch/arm/mach-shmobile/include/mach/gpio.h
index de795b42232a..844507d937cb 100644
--- a/arch/arm/mach-shmobile/include/mach/gpio.h
+++ b/arch/arm/mach-shmobile/include/mach/gpio.h
@@ -13,6 +13,7 @@
 #include <linux/kernel.h>
 #include <linux/errno.h>
 #include <linux/sh_pfc.h>
+#include <linux/io.h>
 
 #ifdef CONFIG_GPIOLIB
 
@@ -27,4 +28,35 @@ static inline int irq_to_gpio(unsigned int irq)
 
 #endif /* CONFIG_GPIOLIB */
 
+/*
+ * FIXME !!
+ *
+ * current gpio frame work doesn't have
+ * the method to control only pull up/down/free.
+ * this function should be replaced by correct gpio function
+ */
+static inline void __init gpio_direction_none(u32 addr)
+{
+        __raw_writeb(0x00, addr);
+}
+
+static inline void __init gpio_request_pullup(u32 addr)
+{
+        u8 data = __raw_readb(addr);
+
+        data &= 0x0F;
+        data |= 0xC0;
+        __raw_writeb(data, addr);
+}
+
+static inline void __init gpio_request_pulldown(u32 addr)
+{
+        u8 data = __raw_readb(addr);
+
+        data &= 0x0F;
+        data |= 0xA0;
+
+        __raw_writeb(data, addr);
+}
+
 #endif /* __ASM_ARCH_GPIO_H */
diff --git a/arch/arm/mach-shmobile/include/mach/pm-rmobile.h b/arch/arm/mach-shmobile/include/mach/pm-rmobile.h
new file mode 100644
index 000000000000..5a402840fe28
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/pm-rmobile.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2012 Renesas Solutions Corp.
+ *
+ * Kuninori Morimoto <morimoto.kuninori@renesas.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#ifndef PM_RMOBILE_H
+#define PM_RMOBILE_H
+
+#include <linux/pm_domain.h>
+
+struct platform_device;
+
+struct rmobile_pm_domain {
+        struct generic_pm_domain genpd;
+        struct dev_power_governor *gov;
+        int (*suspend)(void);
+        void (*resume)(void);
+        unsigned int bit_shift;
+        bool no_debug;
+};
+
+static inline
+struct rmobile_pm_domain *to_rmobile_pd(struct generic_pm_domain *d)
+{
+        return container_of(d, struct rmobile_pm_domain, genpd);
+}
+
+#ifdef CONFIG_PM
+extern void rmobile_init_pm_domain(struct rmobile_pm_domain *rmobile_pd);
+extern void rmobile_add_device_to_domain(struct rmobile_pm_domain *rmobile_pd,
+                                        struct platform_device *pdev);
+extern void rmobile_pm_add_subdomain(struct rmobile_pm_domain *rmobile_pd,
+                                    struct rmobile_pm_domain *rmobile_sd);
+#else
+#define rmobile_init_pm_domain(pd) do { } while (0)
+#define rmobile_add_device_to_domain(pd, pdev) do { } while (0)
+#define rmobile_pm_add_subdomain(pd, sd) do { } while (0)
+#endif /* CONFIG_PM */
+
+#endif /* PM_RMOBILE_H */
diff --git a/arch/arm/mach-shmobile/include/mach/r8a7740.h b/arch/arm/mach-shmobile/include/mach/r8a7740.h
index 9d447abb969c..7143147780df 100644
--- a/arch/arm/mach-shmobile/include/mach/r8a7740.h
+++ b/arch/arm/mach-shmobile/include/mach/r8a7740.h
@@ -19,6 +19,8 @@
 #ifndef __ASM_R8A7740_H__
 #define __ASM_R8A7740_H__
 
+#include <mach/pm-rmobile.h>
+
 /*
  * MD_CKx pin
  */
@@ -139,7 +141,7 @@ enum {
         GPIO_FN_DBGMD10,        GPIO_FN_DBGMD11,        GPIO_FN_DBGMD20,
         GPIO_FN_DBGMD21,
 
-        /* FSI */
+        /* FSI-A */
         GPIO_FN_FSIAISLD_PORT0,         /* FSIAISLD Port 0/5 */
         GPIO_FN_FSIAISLD_PORT5,
         GPIO_FN_FSIASPDIF_PORT9,        /* FSIASPDIF Port 9/18 */
@@ -150,6 +152,9 @@ enum {
         GPIO_FN_FSIACK,         GPIO_FN_FSIAILR,
         GPIO_FN_FSIAIBT,
 
+        /* FSI-B */
+        GPIO_FN_FSIBCK,
+
         /* FMSI */
         GPIO_FN_FMSISLD_PORT1, /* FMSISLD Port 1/6 */
         GPIO_FN_FMSISLD_PORT6,
@@ -565,6 +570,10 @@ enum {
         GPIO_FN_RESETP_PULLUP,
         GPIO_FN_RESETP_PLAIN,
 
+        /* HDMI */
+        GPIO_FN_HDMI_HPD,
+        GPIO_FN_HDMI_CEC,
+
         /* SDENC */
         GPIO_FN_SDENC_CPG,
         GPIO_FN_SDENC_DV_CLKI,
@@ -581,4 +590,26 @@ enum {
         GPIO_FN_TRACEAUD_FROM_MEMC,
 };
 
+/* DMA slave IDs */
+enum {
+        SHDMA_SLAVE_INVALID,
+        SHDMA_SLAVE_SDHI0_RX,
+        SHDMA_SLAVE_SDHI0_TX,
+        SHDMA_SLAVE_SDHI1_RX,
+        SHDMA_SLAVE_SDHI1_TX,
+        SHDMA_SLAVE_SDHI2_RX,
+        SHDMA_SLAVE_SDHI2_TX,
+        SHDMA_SLAVE_FSIA_RX,
+        SHDMA_SLAVE_FSIA_TX,
+        SHDMA_SLAVE_FSIB_TX,
+        SHDMA_SLAVE_USBHS_TX,
+        SHDMA_SLAVE_USBHS_RX,
+};
+
+#ifdef CONFIG_PM
+extern struct rmobile_pm_domain r8a7740_pd_a4s;
+extern struct rmobile_pm_domain r8a7740_pd_a3sp;
+extern struct rmobile_pm_domain r8a7740_pd_a4lc;
+#endif /* CONFIG_PM */
+
 #endif /* __ASM_R8A7740_H__ */
diff --git a/arch/arm/mach-shmobile/include/mach/sh7372.h b/arch/arm/mach-shmobile/include/mach/sh7372.h
index 915d0093da08..b59048e6d8fd 100644
--- a/arch/arm/mach-shmobile/include/mach/sh7372.h
+++ b/arch/arm/mach-shmobile/include/mach/sh7372.h
@@ -13,6 +13,7 @@
 
 #include <linux/sh_clk.h>
 #include <linux/pm_domain.h>
+#include <mach/pm-rmobile.h>
 
 /*
  * Pin Function Controller:
@@ -477,42 +478,16 @@ extern struct clk sh7372_fsibck_clk;
 extern struct clk sh7372_fsidiva_clk;
 extern struct clk sh7372_fsidivb_clk;
 
-struct platform_device;
-
-struct sh7372_pm_domain {
-        struct generic_pm_domain genpd;
-        struct dev_power_governor *gov;
-        int (*suspend)(void);
-        void (*resume)(void);
-        unsigned int bit_shift;
-        bool no_debug;
-};
-
-static inline struct sh7372_pm_domain *to_sh7372_pd(struct generic_pm_domain *d)
-{
-        return container_of(d, struct sh7372_pm_domain, genpd);
-}
-
 #ifdef CONFIG_PM
-extern struct sh7372_pm_domain sh7372_a4lc;
-extern struct sh7372_pm_domain sh7372_a4mp;
-extern struct sh7372_pm_domain sh7372_d4;
-extern struct sh7372_pm_domain sh7372_a4r;
-extern struct sh7372_pm_domain sh7372_a3rv;
-extern struct sh7372_pm_domain sh7372_a3ri;
-extern struct sh7372_pm_domain sh7372_a4s;
-extern struct sh7372_pm_domain sh7372_a3sp;
-extern struct sh7372_pm_domain sh7372_a3sg;
-
-extern void sh7372_init_pm_domain(struct sh7372_pm_domain *sh7372_pd);
-extern void sh7372_add_device_to_domain(struct sh7372_pm_domain *sh7372_pd,
-                                        struct platform_device *pdev);
-extern void sh7372_pm_add_subdomain(struct sh7372_pm_domain *sh7372_pd,
-                                    struct sh7372_pm_domain *sh7372_sd);
-#else
-#define sh7372_init_pm_domain(pd) do { } while(0)
-#define sh7372_add_device_to_domain(pd, pdev) do { } while(0)
-#define sh7372_pm_add_subdomain(pd, sd) do { } while(0)
+extern struct rmobile_pm_domain sh7372_pd_a4lc;
+extern struct rmobile_pm_domain sh7372_pd_a4mp;
+extern struct rmobile_pm_domain sh7372_pd_d4;
+extern struct rmobile_pm_domain sh7372_pd_a4r;
+extern struct rmobile_pm_domain sh7372_pd_a3rv;
+extern struct rmobile_pm_domain sh7372_pd_a3ri;
+extern struct rmobile_pm_domain sh7372_pd_a4s;
+extern struct rmobile_pm_domain sh7372_pd_a3sp;
+extern struct rmobile_pm_domain sh7372_pd_a3sg;
 #endif /* CONFIG_PM */
 
 extern void sh7372_intcs_suspend(void);
diff --git a/arch/arm/mach-shmobile/include/mach/sh73a0.h b/arch/arm/mach-shmobile/include/mach/sh73a0.h
index 398e2c10913b..fe950f25d793 100644
--- a/arch/arm/mach-shmobile/include/mach/sh73a0.h
+++ b/arch/arm/mach-shmobile/include/mach/sh73a0.h
@@ -516,6 +516,13 @@ enum {
         SHDMA_SLAVE_SDHI2_RX,
         SHDMA_SLAVE_MMCIF_TX,
         SHDMA_SLAVE_MMCIF_RX,
+        SHDMA_SLAVE_FSI2A_TX,
+        SHDMA_SLAVE_FSI2A_RX,
+        SHDMA_SLAVE_FSI2B_TX,
+        SHDMA_SLAVE_FSI2B_RX,
+        SHDMA_SLAVE_FSI2C_TX,
+        SHDMA_SLAVE_FSI2C_RX,
+        SHDMA_SLAVE_FSI2D_RX,
 };
 
 /*
diff --git a/arch/arm/mach-shmobile/intc-r8a7740.c b/arch/arm/mach-shmobile/intc-r8a7740.c
index 09c42afcb22d..9a69a31918ba 100644
--- a/arch/arm/mach-shmobile/intc-r8a7740.c
+++ b/arch/arm/mach-shmobile/intc-r8a7740.c
@@ -71,10 +71,12 @@ enum {
         DMAC3_1_DEI0, DMAC3_1_DEI1, DMAC3_1_DEI2, DMAC3_1_DEI3,
         DMAC3_2_DEI4, DMAC3_2_DEI5, DMAC3_2_DADERR,
         SHWYSTAT_RT, SHWYSTAT_HS, SHWYSTAT_COM,
+        HDMI,
         USBH_INT, USBH_OHCI, USBH_EHCI, USBH_PME, USBH_BIND,
         RSPI_OVRF, RSPI_SPTEF, RSPI_SPRF,
         SPU2_0, SPU2_1,
         FSI, FMSI,
+        HDMI_SSS, HDMI_KEY,
         IPMMU,
         AP_ARM_CTIIRQ, AP_ARM_PMURQ,
         MFIS2,
@@ -182,6 +184,7 @@ static struct intc_vect intca_vectors[] __initdata = {
         INTC_VECT(USBH_EHCI,            0x1580),
         INTC_VECT(USBH_PME,             0x15A0),
         INTC_VECT(USBH_BIND,            0x15C0),
+        INTC_VECT(HDMI,                 0x1700),
         INTC_VECT(RSPI_OVRF,            0x1780),
         INTC_VECT(RSPI_SPTEF,           0x17A0),
         INTC_VECT(RSPI_SPRF,            0x17C0),
@@ -189,6 +192,8 @@ static struct intc_vect intca_vectors[] __initdata = {
         INTC_VECT(SPU2_1,               0x1820),
         INTC_VECT(FSI,                  0x1840),
         INTC_VECT(FMSI,                 0x1860),
+        INTC_VECT(HDMI_SSS,             0x18A0),
+        INTC_VECT(HDMI_KEY,             0x18C0),
         INTC_VECT(IPMMU,                0x1920),
         INTC_VECT(AP_ARM_CTIIRQ,        0x1980),
         INTC_VECT(AP_ARM_PMURQ,         0x19A0),
@@ -304,11 +309,11 @@ static struct intc_mask_reg intca_mask_registers[] __initdata = {
             USBH_EHCI, USBH_PME, USBH_BIND, 0 } },
           /* IMR3A3 / IMCR3A3 */
         { /* IMR4A3 / IMCR4A3 */ 0xe6950090, 0xe69500d0, 8,
-          { 0, 0, 0, 0,
+          { HDMI, 0, 0, 0,
             RSPI_OVRF, RSPI_SPTEF, RSPI_SPRF, 0 } },
         { /* IMR5A3 / IMCR5A3 */ 0xe6950094, 0xe69500d4, 8,
           { SPU2_0, SPU2_1, FSI, FMSI,
-            0, 0, 0, 0 } },
+            0, HDMI_SSS, HDMI_KEY, 0 } },
         { /* IMR6A3 / IMCR6A3 */ 0xe6950098, 0xe69500d8, 8,
           { 0, IPMMU, 0, 0,
             AP_ARM_CTIIRQ, AP_ARM_PMURQ, 0, 0 } },
@@ -353,10 +358,10 @@ static struct intc_prio_reg intca_prio_registers[] __initdata = {
         { 0xe6950014, 0, 16, 4, /* IPRFA3 */ { USBH2, 0, 0, 0 } },
                                 /* IPRGA3 */
                                 /* IPRHA3 */
-                                /* IPRIA3 */
+        { 0xe6950020, 0, 16, 4, /* IPRIA3 */ { HDMI, 0, 0, 0 } },
         { 0xe6950024, 0, 16, 4, /* IPRJA3 */ { RSPI, 0, 0, 0 } },
         { 0xe6950028, 0, 16, 4, /* IPRKA3 */ { SPU2, 0, FSI, FMSI } },
-                                /* IPRLA3 */
+        { 0xe695002c, 0, 16, 4, /* IPRLA3 */ { 0, HDMI_SSS, HDMI_KEY, 0 } },
         { 0xe6950030, 0, 16, 4, /* IPRMA3 */ { IPMMU, 0, 0, 0 } },
         { 0xe6950034, 0, 16, 4, /* IPRNA3 */ { AP_ARM2, 0, 0, 0 } },
         { 0xe6950038, 0, 16, 4, /* IPROA3 */ { MFIS2, CPORTR2S,
diff --git a/arch/arm/mach-shmobile/pfc-r8a7740.c b/arch/arm/mach-shmobile/pfc-r8a7740.c
index 670fe1869dbc..ce9e7fa5cc8a 100644
--- a/arch/arm/mach-shmobile/pfc-r8a7740.c
+++ b/arch/arm/mach-shmobile/pfc-r8a7740.c
@@ -169,7 +169,7 @@ enum {
         DBGMD10_MARK,   DBGMD11_MARK,   DBGMD20_MARK,
         DBGMD21_MARK,
 
-        /* FSI */
+        /* FSI-A */
         FSIAISLD_PORT0_MARK,    /* FSIAISLD Port 0/5 */
         FSIAISLD_PORT5_MARK,
         FSIASPDIF_PORT9_MARK,   /* FSIASPDIF Port 9/18 */
@@ -178,6 +178,9 @@ enum {
         FSIAOBT_MARK,   FSIAOSLD_MARK,  FSIAOMC_MARK,
         FSIACK_MARK,    FSIAILR_MARK,   FSIAIBT_MARK,
 
+        /* FSI-B */
+        FSIBCK_MARK,
+
         /* FMSI */
         FMSISLD_PORT1_MARK, /* FMSISLD Port 1/6 */
         FMSISLD_PORT6_MARK,
@@ -560,6 +563,9 @@ enum {
         /* SDENC */
         SDENC_CPG_MARK,         SDENC_DV_CLKI_MARK,
 
+        /* HDMI */
+        HDMI_HPD_MARK, HDMI_CEC_MARK,
+
         /* DEBUG */
         EDEBGREQ_PULLUP_MARK,   /* for JTAG */
         EDEBGREQ_PULLDOWN_MARK,
@@ -771,6 +777,7 @@ static pinmux_enum_t pinmux_data[] = {
 
         /* Port11 */
         PINMUX_DATA(FSIACK_MARK,                PORT11_FN1),
+        PINMUX_DATA(FSIBCK_MARK,                PORT11_FN2),
         PINMUX_DATA(IRQ2_PORT11_MARK,           PORT11_FN0,     MSEL1CR_2_0),
 
         /* Port12 */
@@ -1254,7 +1261,7 @@ static pinmux_enum_t pinmux_data[] = {
         PINMUX_DATA(A21_MARK,                   PORT120_FN1),
         PINMUX_DATA(MSIOF0_RSYNC_MARK,          PORT120_FN2),
         PINMUX_DATA(MSIOF1_TSYNC_PORT120_MARK,  PORT120_FN3,    MSEL4CR_10_0),
-        PINMUX_DATA(IRQ7_PORT120_MARK,          PORT120_FN0,    MSEL1CR_7_0),
+        PINMUX_DATA(IRQ7_PORT120_MARK,          PORT120_FN0,    MSEL1CR_7_1),
 
         /* Port121 */
         PINMUX_DATA(A20_MARK,                   PORT121_FN1),
@@ -1616,13 +1623,15 @@ static pinmux_enum_t pinmux_data[] = {
 
         /* Port209 */
         PINMUX_DATA(VBUS_MARK,                  PORT209_FN1),
-        PINMUX_DATA(IRQ7_PORT209_MARK,          PORT209_FN0,    MSEL1CR_7_1),
+        PINMUX_DATA(IRQ7_PORT209_MARK,          PORT209_FN0,    MSEL1CR_7_0),
 
         /* Port210 */
         PINMUX_DATA(IRQ9_PORT210_MARK,          PORT210_FN0,    MSEL1CR_9_1),
+        PINMUX_DATA(HDMI_HPD_MARK,              PORT210_FN1),
 
         /* Port211 */
         PINMUX_DATA(IRQ16_PORT211_MARK,         PORT211_FN0,    MSEL1CR_16_1),
+        PINMUX_DATA(HDMI_CEC_MARK,              PORT211_FN1),
 
         /* LCDC select */
         PINMUX_DATA(LCDC0_SELECT_MARK,                          MSEL3CR_6_0),
@@ -1691,7 +1700,7 @@ static struct pinmux_gpio pinmux_gpios[] = {
         GPIO_FN(DBGMD10),       GPIO_FN(DBGMD11),       GPIO_FN(DBGMD20),
         GPIO_FN(DBGMD21),
 
-        /* FSI */
+        /* FSI-A */
         GPIO_FN(FSIAISLD_PORT0),        /* FSIAISLD Port 0/5 */
         GPIO_FN(FSIAISLD_PORT5),
         GPIO_FN(FSIASPDIF_PORT9),       /* FSIASPDIF Port 9/18 */
@@ -1700,6 +1709,9 @@ static struct pinmux_gpio pinmux_gpios[] = {
         GPIO_FN(FSIAOBT),       GPIO_FN(FSIAOSLD),      GPIO_FN(FSIAOMC),
         GPIO_FN(FSIACK),        GPIO_FN(FSIAILR),       GPIO_FN(FSIAIBT),
 
+        /* FSI-B */
+        GPIO_FN(FSIBCK),
+
         /* FMSI */
         GPIO_FN(FMSISLD_PORT1), /* FMSISLD Port 1/6 */
         GPIO_FN(FMSISLD_PORT6),
@@ -2097,6 +2109,10 @@ static struct pinmux_gpio pinmux_gpios[] = {
         GPIO_FN(SDENC_CPG),
         GPIO_FN(SDENC_DV_CLKI),
 
+        /* HDMI */
+        GPIO_FN(HDMI_HPD),
+        GPIO_FN(HDMI_CEC),
+
         /* SYSC */
         GPIO_FN(RESETP_PULLUP),
         GPIO_FN(RESETP_PLAIN),
diff --git a/arch/arm/mach-shmobile/pm-r8a7740.c b/arch/arm/mach-shmobile/pm-r8a7740.c
new file mode 100644
index 000000000000..893504d012a6
--- /dev/null
+++ b/arch/arm/mach-shmobile/pm-r8a7740.c
@@ -0,0 +1,54 @@
+/*
+ * r8a7740 power management support
+ *
+ * Copyright (C) 2012  Renesas Solutions Corp.
+ * Copyright (C) 2012  Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/console.h>
+#include <mach/pm-rmobile.h>
+
+#ifdef CONFIG_PM
+static int r8a7740_pd_a4s_suspend(void)
+{
+        /*
+         * The A4S domain contains the CPU core and therefore it should
+         * only be turned off if the CPU is in use.
+         */
+        return -EBUSY;
+}
+
+struct rmobile_pm_domain r8a7740_pd_a4s = {
+        .genpd.name     = "A4S",
+        .bit_shift      = 10,
+        .gov            = &pm_domain_always_on_gov,
+        .no_debug       = true,
+        .suspend        = r8a7740_pd_a4s_suspend,
+};
+
+static int r8a7740_pd_a3sp_suspend(void)
+{
+        /*
+         * Serial consoles make use of SCIF hardware located in A3SP,
+         * keep such power domain on if "no_console_suspend" is set.
+         */
+        return console_suspend_enabled ? 0 : -EBUSY;
+}
+
+struct rmobile_pm_domain r8a7740_pd_a3sp = {
+        .genpd.name     = "A3SP",
+        .bit_shift      = 11,
+        .gov            = &pm_domain_always_on_gov,
+        .no_debug       = true,
+        .suspend        = r8a7740_pd_a3sp_suspend,
+};
+
+struct rmobile_pm_domain r8a7740_pd_a4lc = {
+        .genpd.name     = "A4LC",
+        .bit_shift      = 1,
+};
+
+#endif /* CONFIG_PM */
diff --git a/arch/arm/mach-shmobile/pm-rmobile.c b/arch/arm/mach-shmobile/pm-rmobile.c
new file mode 100644
index 000000000000..a8562540f1d6
--- /dev/null
+++ b/arch/arm/mach-shmobile/pm-rmobile.c
@@ -0,0 +1,167 @@
+/*
+ * rmobile power management support
+ *
+ * Copyright (C) 2012  Renesas Solutions Corp.
+ * Copyright (C) 2012  Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ *
+ * based on pm-sh7372.c
+ *  Copyright (C) 2011 Magnus Damm
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/console.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/pm.h>
+#include <linux/pm_clock.h>
+#include <asm/io.h>
+#include <mach/pm-rmobile.h>
+
+/* SYSC */
+#define SPDCR           0xe6180008
+#define SWUCR           0xe6180014
+#define PSTR            0xe6180080
+
+#define PSTR_RETRIES    100
+#define PSTR_DELAY_US   10
+
+#ifdef CONFIG_PM
+static int rmobile_pd_power_down(struct generic_pm_domain *genpd)
+{
+        struct rmobile_pm_domain *rmobile_pd = to_rmobile_pd(genpd);
+        unsigned int mask = 1 << rmobile_pd->bit_shift;
+
+        if (rmobile_pd->suspend) {
+                int ret = rmobile_pd->suspend();
+
+                if (ret)
+                        return ret;
+        }
+
+        if (__raw_readl(PSTR) & mask) {
+                unsigned int retry_count;
+                __raw_writel(mask, SPDCR);
+
+                for (retry_count = PSTR_RETRIES; retry_count; retry_count--) {
+                        if (!(__raw_readl(SPDCR) & mask))
+                                break;
+                        cpu_relax();
+                }
+        }
+
+        if (!rmobile_pd->no_debug)
+                pr_debug("%s: Power off, 0x%08x -> PSTR = 0x%08x\n",
+                         genpd->name, mask, __raw_readl(PSTR));
+
+        return 0;
+}
+
+static int __rmobile_pd_power_up(struct rmobile_pm_domain *rmobile_pd,
+                                 bool do_resume)
+{
+        unsigned int mask = 1 << rmobile_pd->bit_shift;
+        unsigned int retry_count;
+        int ret = 0;
+
+        if (__raw_readl(PSTR) & mask)
+                goto out;
+
+        __raw_writel(mask, SWUCR);
+
+        for (retry_count = 2 * PSTR_RETRIES; retry_count; retry_count--) {
+                if (!(__raw_readl(SWUCR) & mask))
+                        break;
+                if (retry_count > PSTR_RETRIES)
+                        udelay(PSTR_DELAY_US);
+                else
+                        cpu_relax();
+        }
+        if (!retry_count)
+                ret = -EIO;
+
+        if (!rmobile_pd->no_debug)
+                pr_debug("%s: Power on, 0x%08x -> PSTR = 0x%08x\n",
+                         rmobile_pd->genpd.name, mask, __raw_readl(PSTR));
+
+out:
+        if (ret == 0 && rmobile_pd->resume && do_resume)
+                rmobile_pd->resume();
+
+        return ret;
+}
+
+static int rmobile_pd_power_up(struct generic_pm_domain *genpd)
+{
+        return __rmobile_pd_power_up(to_rmobile_pd(genpd), true);
+}
+
+static bool rmobile_pd_active_wakeup(struct device *dev)
+{
+        bool (*active_wakeup)(struct device *dev);
+
+        active_wakeup = dev_gpd_data(dev)->ops.active_wakeup;
+        return active_wakeup ? active_wakeup(dev) : true;
+}
+
+static int rmobile_pd_stop_dev(struct device *dev)
+{
+        int (*stop)(struct device *dev);
+
+        stop = dev_gpd_data(dev)->ops.stop;
+        if (stop) {
+                int ret = stop(dev);
+                if (ret)
+                        return ret;
+        }
+        return pm_clk_suspend(dev);
+}
+
+static int rmobile_pd_start_dev(struct device *dev)
+{
+        int (*start)(struct device *dev);
+        int ret;
+
+        ret = pm_clk_resume(dev);
+        if (ret)
+                return ret;
+
+        start = dev_gpd_data(dev)->ops.start;
+        if (start)
+                ret = start(dev);
+
+        return ret;
+}
+
+void rmobile_init_pm_domain(struct rmobile_pm_domain *rmobile_pd)
+{
+        struct generic_pm_domain *genpd = &rmobile_pd->genpd;
+        struct dev_power_governor *gov = rmobile_pd->gov;
+
+        pm_genpd_init(genpd, gov ? : &simple_qos_governor, false);
+        genpd->dev_ops.stop             = rmobile_pd_stop_dev;
+        genpd->dev_ops.start            = rmobile_pd_start_dev;
+        genpd->dev_ops.active_wakeup    = rmobile_pd_active_wakeup;
+        genpd->dev_irq_safe             = true;
+        genpd->power_off                = rmobile_pd_power_down;
+        genpd->power_on                 = rmobile_pd_power_up;
+        __rmobile_pd_power_up(rmobile_pd, false);
+}
+
+void rmobile_add_device_to_domain(struct rmobile_pm_domain *rmobile_pd,
+                                 struct platform_device *pdev)
+{
+        struct device *dev = &pdev->dev;
+
+        pm_genpd_add_device(&rmobile_pd->genpd, dev);
+        if (pm_clk_no_clocks(dev))
+                pm_clk_add(dev, NULL);
+}
+
+void rmobile_pm_add_subdomain(struct rmobile_pm_domain *rmobile_pd,
+                             struct rmobile_pm_domain *rmobile_sd)
+{
+        pm_genpd_add_subdomain(&rmobile_pd->genpd, &rmobile_sd->genpd);
+}
+#endif /* CONFIG_PM */
diff --git a/arch/arm/mach-shmobile/pm-sh7372.c b/arch/arm/mach-shmobile/pm-sh7372.c
index a3bdb12acde9..792037069226 100644
--- a/arch/arm/mach-shmobile/pm-sh7372.c
+++ b/arch/arm/mach-shmobile/pm-sh7372.c
@@ -26,6 +26,7 @@
 #include <asm/suspend.h>
 #include <mach/common.h>
 #include <mach/sh7372.h>
+#include <mach/pm-rmobile.h>
 
 /* DBG */
 #define DBGREG1 0xe6100020
@@ -41,13 +42,10 @@
 #define PLLC01STPCR 0xe61500c8
 
 /* SYSC */
-#define SPDCR 0xe6180008
-#define SWUCR 0xe6180014
 #define SBAR 0xe6180020
 #define WUPRMSK 0xe6180028
 #define WUPSMSK 0xe618002c
 #define WUPSMSK2 0xe6180048
-#define PSTR 0xe6180080
 #define WUPSFAC 0xe6180098
 #define IRQCR 0xe618022c
 #define IRQCR2 0xe6180238
@@ -71,188 +69,48 @@
 /* AP-System Core */
 #define APARMBAREA 0xe6f10020
 
-#define PSTR_RETRIES 100
-#define PSTR_DELAY_US 10
-
 #ifdef CONFIG_PM
 
-static int pd_power_down(struct generic_pm_domain *genpd)
-{
-        struct sh7372_pm_domain *sh7372_pd = to_sh7372_pd(genpd);
-        unsigned int mask = 1 << sh7372_pd->bit_shift;
-
-        if (sh7372_pd->suspend) {
-                int ret = sh7372_pd->suspend();
-
-                if (ret)
-                        return ret;
-        }
-
-        if (__raw_readl(PSTR) & mask) {
-                unsigned int retry_count;
-
-                __raw_writel(mask, SPDCR);
-
-                for (retry_count = PSTR_RETRIES; retry_count; retry_count--) {
-                        if (!(__raw_readl(SPDCR) & mask))
-                                break;
-                        cpu_relax();
-                }
-        }
-
-        if (!sh7372_pd->no_debug)
-                pr_debug("%s: Power off, 0x%08x -> PSTR = 0x%08x\n",
-                         genpd->name, mask, __raw_readl(PSTR));
-
-        return 0;
-}
-
-static int __pd_power_up(struct sh7372_pm_domain *sh7372_pd, bool do_resume)
-{
-        unsigned int mask = 1 << sh7372_pd->bit_shift;
-        unsigned int retry_count;
-        int ret = 0;
-
-        if (__raw_readl(PSTR) & mask)
-                goto out;
-
-        __raw_writel(mask, SWUCR);
-
-        for (retry_count = 2 * PSTR_RETRIES; retry_count; retry_count--) {
-                if (!(__raw_readl(SWUCR) & mask))
-                        break;
-                if (retry_count > PSTR_RETRIES)
-                        udelay(PSTR_DELAY_US);
-                else
-                        cpu_relax();
-        }
-        if (!retry_count)
-                ret = -EIO;
-
-        if (!sh7372_pd->no_debug)
-                pr_debug("%s: Power on, 0x%08x -> PSTR = 0x%08x\n",
-                         sh7372_pd->genpd.name, mask, __raw_readl(PSTR));
-
- out:
-        if (ret == 0 && sh7372_pd->resume && do_resume)
-                sh7372_pd->resume();
-
-        return ret;
-}
-
-static int pd_power_up(struct generic_pm_domain *genpd)
-{
-         return __pd_power_up(to_sh7372_pd(genpd), true);
-}
-
-static int sh7372_a4r_suspend(void)
-{
-        sh7372_intcs_suspend();
-        __raw_writel(0x300fffff, WUPRMSK); /* avoid wakeup */
-        return 0;
-}
-
-static bool pd_active_wakeup(struct device *dev)
-{
-        bool (*active_wakeup)(struct device *dev);
-
-        active_wakeup = dev_gpd_data(dev)->ops.active_wakeup;
-        return active_wakeup ? active_wakeup(dev) : true;
-}
-
-static int sh7372_stop_dev(struct device *dev)
-{
-        int (*stop)(struct device *dev);
-
-        stop = dev_gpd_data(dev)->ops.stop;
-        if (stop) {
-                int ret = stop(dev);
-                if (ret)
-                        return ret;
-        }
-        return pm_clk_suspend(dev);
-}
-
-static int sh7372_start_dev(struct device *dev)
-{
-        int (*start)(struct device *dev);
-        int ret;
-
-        ret = pm_clk_resume(dev);
-        if (ret)
-                return ret;
-
-        start = dev_gpd_data(dev)->ops.start;
-        if (start)
-                ret = start(dev);
-
-        return ret;
-}
-
-void sh7372_init_pm_domain(struct sh7372_pm_domain *sh7372_pd)
-{
-        struct generic_pm_domain *genpd = &sh7372_pd->genpd;
-        struct dev_power_governor *gov = sh7372_pd->gov;
-
-        pm_genpd_init(genpd, gov ? : &simple_qos_governor, false);
-        genpd->dev_ops.stop = sh7372_stop_dev;
-        genpd->dev_ops.start = sh7372_start_dev;
-        genpd->dev_ops.active_wakeup = pd_active_wakeup;
-        genpd->dev_irq_safe = true;
-        genpd->power_off = pd_power_down;
-        genpd->power_on = pd_power_up;
-        __pd_power_up(sh7372_pd, false);
-}
-
-void sh7372_add_device_to_domain(struct sh7372_pm_domain *sh7372_pd,
-                                 struct platform_device *pdev)
-{
-        struct device *dev = &pdev->dev;
-
-        pm_genpd_add_device(&sh7372_pd->genpd, dev);
-        if (pm_clk_no_clocks(dev))
-                pm_clk_add(dev, NULL);
-}
-
-void sh7372_pm_add_subdomain(struct sh7372_pm_domain *sh7372_pd,
-                             struct sh7372_pm_domain *sh7372_sd)
-{
-        pm_genpd_add_subdomain(&sh7372_pd->genpd, &sh7372_sd->genpd);
-}
-
-struct sh7372_pm_domain sh7372_a4lc = {
+struct rmobile_pm_domain sh7372_pd_a4lc = {
         .genpd.name = "A4LC",
         .bit_shift = 1,
 };
 
-struct sh7372_pm_domain sh7372_a4mp = {
+struct rmobile_pm_domain sh7372_pd_a4mp = {
         .genpd.name = "A4MP",
         .bit_shift = 2,
 };
 
-struct sh7372_pm_domain sh7372_d4 = {
+struct rmobile_pm_domain sh7372_pd_d4 = {
         .genpd.name = "D4",
         .bit_shift = 3,
 };
 
-struct sh7372_pm_domain sh7372_a4r = {
+static int sh7372_a4r_pd_suspend(void)
+{
+        sh7372_intcs_suspend();
+        __raw_writel(0x300fffff, WUPRMSK); /* avoid wakeup */
+        return 0;
+}
+
+struct rmobile_pm_domain sh7372_pd_a4r = {
         .genpd.name = "A4R",
         .bit_shift = 5,
-        .suspend = sh7372_a4r_suspend,
+        .suspend = sh7372_a4r_pd_suspend,
         .resume = sh7372_intcs_resume,
 };
 
-struct sh7372_pm_domain sh7372_a3rv = {
+struct rmobile_pm_domain sh7372_pd_a3rv = {
         .genpd.name = "A3RV",
         .bit_shift = 6,
 };
 
-struct sh7372_pm_domain sh7372_a3ri = {
+struct rmobile_pm_domain sh7372_pd_a3ri = {
         .genpd.name = "A3RI",
         .bit_shift = 8,
 };
 
-static int sh7372_a4s_suspend(void)
+static int sh7372_pd_a4s_suspend(void)
 {
         /*
          * The A4S domain contains the CPU core and therefore it should
@@ -261,15 +119,15 @@ static int sh7372_a4s_suspend(void)
         return -EBUSY;
 }
 
-struct sh7372_pm_domain sh7372_a4s = {
+struct rmobile_pm_domain sh7372_pd_a4s = {
         .genpd.name = "A4S",
         .bit_shift = 10,
         .gov = &pm_domain_always_on_gov,
         .no_debug = true,
-        .suspend = sh7372_a4s_suspend,
+        .suspend = sh7372_pd_a4s_suspend,
 };
 
-static int sh7372_a3sp_suspend(void)
+static int sh7372_a3sp_pd_suspend(void)
 {
         /*
          * Serial consoles make use of SCIF hardware located in A3SP,
@@ -278,32 +136,22 @@ static int sh7372_a3sp_suspend(void)
         return console_suspend_enabled ? 0 : -EBUSY;
 }
 
-struct sh7372_pm_domain sh7372_a3sp = {
+struct rmobile_pm_domain sh7372_pd_a3sp = {
         .genpd.name = "A3SP",
         .bit_shift = 11,
         .gov = &pm_domain_always_on_gov,
         .no_debug = true,
-        .suspend = sh7372_a3sp_suspend,
+        .suspend = sh7372_a3sp_pd_suspend,
 };
 
-struct sh7372_pm_domain sh7372_a3sg = {
+struct rmobile_pm_domain sh7372_pd_a3sg = {
         .genpd.name = "A3SG",
         .bit_shift = 13,
 };
 
-#else /* !CONFIG_PM */
-
-static inline void sh7372_a3sp_init(void) {}
-
-#endif /* !CONFIG_PM */
+#endif /* CONFIG_PM */
 
 #if defined(CONFIG_SUSPEND) || defined(CONFIG_CPU_IDLE)
-static int sh7372_do_idle_core_standby(unsigned long unused)
-{
-        cpu_do_idle(); /* WFI when SYSTBCR == 0x10 -> Core Standby */
-        return 0;
-}
-
 static void sh7372_set_reset_vector(unsigned long address)
 {
         /* set reset vector, translate 4k */
@@ -311,21 +159,6 @@ static void sh7372_set_reset_vector(unsigned long address)
         __raw_writel(0, APARMBAREA);
 }
 
-static void sh7372_enter_core_standby(void)
-{
-        sh7372_set_reset_vector(__pa(sh7372_resume_core_standby_sysc));
-
-        /* enter sleep mode with SYSTBCR to 0x10 */
-        __raw_writel(0x10, SYSTBCR);
-        cpu_suspend(0, sh7372_do_idle_core_standby);
-        __raw_writel(0, SYSTBCR);
-
-         /* disable reset vector translation */
-        __raw_writel(0, SBAR);
-}
-#endif
-
-#ifdef CONFIG_SUSPEND
 static void sh7372_enter_sysc(int pllc0_on, unsigned long sleep_mode)
 {
         if (pllc0_on)
@@ -465,22 +298,42 @@ static void sh7372_setup_sysc(unsigned long msk, unsigned long msk2)
 
 static void sh7372_enter_a3sm_common(int pllc0_on)
 {
+        /* use INTCA together with SYSC for wakeup */
+        sh7372_setup_sysc(1 << 0, 0);
         sh7372_set_reset_vector(__pa(sh7372_resume_core_standby_sysc));
         sh7372_enter_sysc(pllc0_on, 1 << 12);
 }
+#endif /* CONFIG_SUSPEND || CONFIG_CPU_IDLE */
 
-static void sh7372_enter_a4s_common(int pllc0_on)
+#ifdef CONFIG_CPU_IDLE
+static int sh7372_do_idle_core_standby(unsigned long unused)
 {
-        sh7372_intca_suspend();
-        memcpy((void *)SMFRAM, sh7372_resume_core_standby_sysc, 0x100);
-        sh7372_set_reset_vector(SMFRAM);
-        sh7372_enter_sysc(pllc0_on, 1 << 10);
-        sh7372_intca_resume();
+        cpu_do_idle(); /* WFI when SYSTBCR == 0x10 -> Core Standby */
+        return 0;
 }
 
-#endif
+static void sh7372_enter_core_standby(void)
+{
+        sh7372_set_reset_vector(__pa(sh7372_resume_core_standby_sysc));
 
-#ifdef CONFIG_CPU_IDLE
+        /* enter sleep mode with SYSTBCR to 0x10 */
+        __raw_writel(0x10, SYSTBCR);
+        cpu_suspend(0, sh7372_do_idle_core_standby);
+        __raw_writel(0, SYSTBCR);
+
+         /* disable reset vector translation */
+        __raw_writel(0, SBAR);
+}
+
+static void sh7372_enter_a3sm_pll_on(void)
+{
+        sh7372_enter_a3sm_common(1);
+}
+
+static void sh7372_enter_a3sm_pll_off(void)
+{
+        sh7372_enter_a3sm_common(0);
+}
 
 static void sh7372_cpuidle_setup(struct cpuidle_driver *drv)
 {
@@ -492,7 +345,24 @@ static void sh7372_cpuidle_setup(struct cpuidle_driver *drv)
         state->target_residency = 20 + 10;
         state->flags = CPUIDLE_FLAG_TIME_VALID;
         shmobile_cpuidle_modes[drv->state_count] = sh7372_enter_core_standby;
+        drv->state_count++;
+
+        state = &drv->states[drv->state_count];
+        snprintf(state->name, CPUIDLE_NAME_LEN, "C3");
+        strncpy(state->desc, "A3SM PLL ON", CPUIDLE_DESC_LEN);
+        state->exit_latency = 20;
+        state->target_residency = 30 + 20;
+        state->flags = CPUIDLE_FLAG_TIME_VALID;
+        shmobile_cpuidle_modes[drv->state_count] = sh7372_enter_a3sm_pll_on;
+        drv->state_count++;
 
+        state = &drv->states[drv->state_count];
+        snprintf(state->name, CPUIDLE_NAME_LEN, "C4");
+        strncpy(state->desc, "A3SM PLL OFF", CPUIDLE_DESC_LEN);
+        state->exit_latency = 120;
+        state->target_residency = 30 + 120;
+        state->flags = CPUIDLE_FLAG_TIME_VALID;
+        shmobile_cpuidle_modes[drv->state_count] = sh7372_enter_a3sm_pll_off;
         drv->state_count++;
 }
 
@@ -505,6 +375,14 @@ static void sh7372_cpuidle_init(void) {}
 #endif
 
 #ifdef CONFIG_SUSPEND
+static void sh7372_enter_a4s_common(int pllc0_on)
+{
+        sh7372_intca_suspend();
+        memcpy((void *)SMFRAM, sh7372_resume_core_standby_sysc, 0x100);
+        sh7372_set_reset_vector(SMFRAM);
+        sh7372_enter_sysc(pllc0_on, 1 << 10);
+        sh7372_intca_resume();
+}
 
 static int sh7372_enter_suspend(suspend_state_t suspend_state)
 {
@@ -512,24 +390,21 @@ static int sh7372_enter_suspend(suspend_state_t suspend_state)
 
         /* check active clocks to determine potential wakeup sources */
         if (sh7372_sysc_valid(&msk, &msk2)) {
-                /* convert INTC mask and sense to SYSC mask and sense */
-                sh7372_setup_sysc(msk, msk2);
-
                 if (!console_suspend_enabled &&
-                    sh7372_a4s.genpd.status == GPD_STATE_POWER_OFF) {
+                    sh7372_pd_a4s.genpd.status == GPD_STATE_POWER_OFF) {
+                        /* convert INTC mask/sense to SYSC mask/sense */
+                        sh7372_setup_sysc(msk, msk2);
+
                         /* enter A4S sleep with PLLC0 off */
                         pr_debug("entering A4S\n");
                         sh7372_enter_a4s_common(0);
-                } else {
-                        /* enter A3SM sleep with PLLC0 off */
-                        pr_debug("entering A3SM\n");
-                        sh7372_enter_a3sm_common(0);
+                        return 0;
                 }
-        } else {
-                /* default to Core Standby that supports all wakeup sources */
-                pr_debug("entering Core Standby\n");
-                sh7372_enter_core_standby();
         }
+
+        /* default to enter A3SM sleep with PLLC0 off */
+        pr_debug("entering A3SM\n");
+        sh7372_enter_a3sm_common(0);
         return 0;
 }
 
@@ -550,7 +425,7 @@ static int sh7372_pm_notifier_fn(struct notifier_block *notifier,
                  * executed during system suspend and resume, respectively, so
                  * that those functions don't crash while accessing the INTCS.
                  */
-                pm_genpd_poweron(&sh7372_a4r.genpd);
+                pm_genpd_poweron(&sh7372_pd_a4r.genpd);
                 break;
         case PM_POST_SUSPEND:
                 pm_genpd_poweroff_unused();
diff --git a/arch/arm/mach-shmobile/setup-r8a7740.c b/arch/arm/mach-shmobile/setup-r8a7740.c
index ec4eb49c1693..78948a9dba0e 100644
--- a/arch/arm/mach-shmobile/setup-r8a7740.c
+++ b/arch/arm/mach-shmobile/setup-r8a7740.c
@@ -23,9 +23,14 @@
 #include <linux/init.h>
 #include <linux/io.h>
 #include <linux/platform_device.h>
+#include <linux/of_platform.h>
 #include <linux/serial_sci.h>
+#include <linux/sh_dma.h>
 #include <linux/sh_timer.h>
+#include <linux/dma-mapping.h>
+#include <mach/dma-register.h>
 #include <mach/r8a7740.h>
+#include <mach/pm-rmobile.h>
 #include <mach/common.h>
 #include <mach/irqs.h>
 #include <asm/mach-types.h>
@@ -276,6 +281,272 @@ static struct platform_device *r8a7740_early_devices[] __initdata = {
         &cmt10_device,
 };
 
+/* DMA */
+static const struct sh_dmae_slave_config r8a7740_dmae_slaves[] = {
+        {
+                .slave_id       = SHDMA_SLAVE_SDHI0_TX,
+                .addr           = 0xe6850030,
+                .chcr           = CHCR_TX(XMIT_SZ_16BIT),
+                .mid_rid        = 0xc1,
+        }, {
+                .slave_id       = SHDMA_SLAVE_SDHI0_RX,
+                .addr           = 0xe6850030,
+                .chcr           = CHCR_RX(XMIT_SZ_16BIT),
+                .mid_rid        = 0xc2,
+        }, {
+                .slave_id       = SHDMA_SLAVE_SDHI1_TX,
+                .addr           = 0xe6860030,
+                .chcr           = CHCR_TX(XMIT_SZ_16BIT),
+                .mid_rid        = 0xc9,
+        }, {
+                .slave_id       = SHDMA_SLAVE_SDHI1_RX,
+                .addr           = 0xe6860030,
+                .chcr           = CHCR_RX(XMIT_SZ_16BIT),
+                .mid_rid        = 0xca,
+        }, {
+                .slave_id       = SHDMA_SLAVE_SDHI2_TX,
+                .addr           = 0xe6870030,
+                .chcr           = CHCR_TX(XMIT_SZ_16BIT),
+                .mid_rid        = 0xcd,
+        }, {
+                .slave_id       = SHDMA_SLAVE_SDHI2_RX,
+                .addr           = 0xe6870030,
+                .chcr           = CHCR_RX(XMIT_SZ_16BIT),
+                .mid_rid        = 0xce,
+        }, {
+                .slave_id       = SHDMA_SLAVE_FSIA_TX,
+                .addr           = 0xfe1f0024,
+                .chcr           = CHCR_TX(XMIT_SZ_32BIT),
+                .mid_rid        = 0xb1,
+        }, {
+                .slave_id       = SHDMA_SLAVE_FSIA_RX,
+                .addr           = 0xfe1f0020,
+                .chcr           = CHCR_RX(XMIT_SZ_32BIT),
+                .mid_rid        = 0xb2,
+        }, {
+                .slave_id       = SHDMA_SLAVE_FSIB_TX,
+                .addr           = 0xfe1f0064,
+                .chcr           = CHCR_TX(XMIT_SZ_32BIT),
+                .mid_rid        = 0xb5,
+        },
+};
+
+#define DMA_CHANNEL(a, b, c)                    \
+{                                               \
+        .offset         = a,                    \
+        .dmars          = b,                    \
+        .dmars_bit      = c,                    \
+        .chclr_offset   = (0x220 - 0x20) + a    \
+}
+
+static const struct sh_dmae_channel r8a7740_dmae_channels[] = {
+        DMA_CHANNEL(0x00, 0, 0),
+        DMA_CHANNEL(0x10, 0, 8),
+        DMA_CHANNEL(0x20, 4, 0),
+        DMA_CHANNEL(0x30, 4, 8),
+        DMA_CHANNEL(0x50, 8, 0),
+        DMA_CHANNEL(0x60, 8, 8),
+};
+
+static struct sh_dmae_pdata dma_platform_data = {
+        .slave          = r8a7740_dmae_slaves,
+        .slave_num      = ARRAY_SIZE(r8a7740_dmae_slaves),
+        .channel        = r8a7740_dmae_channels,
+        .channel_num    = ARRAY_SIZE(r8a7740_dmae_channels),
+        .ts_low_shift   = TS_LOW_SHIFT,
+        .ts_low_mask    = TS_LOW_BIT << TS_LOW_SHIFT,
+        .ts_high_shift  = TS_HI_SHIFT,
+        .ts_high_mask   = TS_HI_BIT << TS_HI_SHIFT,
+        .ts_shift       = dma_ts_shift,
+        .ts_shift_num   = ARRAY_SIZE(dma_ts_shift),
+        .dmaor_init     = DMAOR_DME,
+        .chclr_present  = 1,
+};
+
+/* Resource order important! */
+static struct resource r8a7740_dmae0_resources[] = {
+        {
+                /* Channel registers and DMAOR */
+                .start  = 0xfe008020,
+                .end    = 0xfe00828f,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                /* DMARSx */
+                .start  = 0xfe009000,
+                .end    = 0xfe00900b,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .name   = "error_irq",
+                .start  = evt2irq(0x20c0),
+                .end    = evt2irq(0x20c0),
+                .flags  = IORESOURCE_IRQ,
+        },
+        {
+                /* IRQ for channels 0-5 */
+                .start  = evt2irq(0x2000),
+                .end    = evt2irq(0x20a0),
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+/* Resource order important! */
+static struct resource r8a7740_dmae1_resources[] = {
+        {
+                /* Channel registers and DMAOR */
+                .start  = 0xfe018020,
+                .end    = 0xfe01828f,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                /* DMARSx */
+                .start  = 0xfe019000,
+                .end    = 0xfe01900b,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .name   = "error_irq",
+                .start  = evt2irq(0x21c0),
+                .end    = evt2irq(0x21c0),
+                .flags  = IORESOURCE_IRQ,
+        },
+        {
+                /* IRQ for channels 0-5 */
+                .start  = evt2irq(0x2100),
+                .end    = evt2irq(0x21a0),
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+/* Resource order important! */
+static struct resource r8a7740_dmae2_resources[] = {
+        {
+                /* Channel registers and DMAOR */
+                .start  = 0xfe028020,
+                .end    = 0xfe02828f,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                /* DMARSx */
+                .start  = 0xfe029000,
+                .end    = 0xfe02900b,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .name   = "error_irq",
+                .start  = evt2irq(0x22c0),
+                .end    = evt2irq(0x22c0),
+                .flags  = IORESOURCE_IRQ,
+        },
+        {
+                /* IRQ for channels 0-5 */
+                .start  = evt2irq(0x2200),
+                .end    = evt2irq(0x22a0),
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device dma0_device = {
+        .name           = "sh-dma-engine",
+        .id             = 0,
+        .resource       = r8a7740_dmae0_resources,
+        .num_resources  = ARRAY_SIZE(r8a7740_dmae0_resources),
+        .dev            = {
+                .platform_data  = &dma_platform_data,
+        },
+};
+
+static struct platform_device dma1_device = {
+        .name           = "sh-dma-engine",
+        .id             = 1,
+        .resource       = r8a7740_dmae1_resources,
+        .num_resources  = ARRAY_SIZE(r8a7740_dmae1_resources),
+        .dev            = {
+                .platform_data  = &dma_platform_data,
+        },
+};
+
+static struct platform_device dma2_device = {
+        .name           = "sh-dma-engine",
+        .id             = 2,
+        .resource       = r8a7740_dmae2_resources,
+        .num_resources  = ARRAY_SIZE(r8a7740_dmae2_resources),
+        .dev            = {
+                .platform_data  = &dma_platform_data,
+        },
+};
+
+/* USB-DMAC */
+static const struct sh_dmae_channel r8a7740_usb_dma_channels[] = {
+        {
+                .offset = 0,
+        }, {
+                .offset = 0x20,
+        },
+};
+
+static const struct sh_dmae_slave_config r8a7740_usb_dma_slaves[] = {
+        {
+                .slave_id       = SHDMA_SLAVE_USBHS_TX,
+                .chcr           = USBTS_INDEX2VAL(USBTS_XMIT_SZ_8BYTE),
+        }, {
+                .slave_id       = SHDMA_SLAVE_USBHS_RX,
+                .chcr           = USBTS_INDEX2VAL(USBTS_XMIT_SZ_8BYTE),
+        },
+};
+
+static struct sh_dmae_pdata usb_dma_platform_data = {
+        .slave          = r8a7740_usb_dma_slaves,
+        .slave_num      = ARRAY_SIZE(r8a7740_usb_dma_slaves),
+        .channel        = r8a7740_usb_dma_channels,
+        .channel_num    = ARRAY_SIZE(r8a7740_usb_dma_channels),
+        .ts_low_shift   = USBTS_LOW_SHIFT,
+        .ts_low_mask    = USBTS_LOW_BIT << USBTS_LOW_SHIFT,
+        .ts_high_shift  = USBTS_HI_SHIFT,
+        .ts_high_mask   = USBTS_HI_BIT << USBTS_HI_SHIFT,
+        .ts_shift       = dma_usbts_shift,
+        .ts_shift_num   = ARRAY_SIZE(dma_usbts_shift),
+        .dmaor_init     = DMAOR_DME,
+        .chcr_offset    = 0x14,
+        .chcr_ie_bit    = 1 << 5,
+        .dmaor_is_32bit = 1,
+        .needs_tend_set = 1,
+        .no_dmars       = 1,
+        .slave_only     = 1,
+};
+
+static struct resource r8a7740_usb_dma_resources[] = {
+        {
+                /* Channel registers and DMAOR */
+                .start  = 0xe68a0020,
+                .end    = 0xe68a0064 - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                /* VCR/SWR/DMICR */
+                .start  = 0xe68a0000,
+                .end    = 0xe68a0014 - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                /* IRQ for channels */
+                .start  = evt2irq(0x0a00),
+                .end    = evt2irq(0x0a00),
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device usb_dma_device = {
+        .name           = "sh-dma-engine",
+        .id             = 3,
+        .resource       = r8a7740_usb_dma_resources,
+        .num_resources  = ARRAY_SIZE(r8a7740_usb_dma_resources),
+        .dev            = {
+                .platform_data  = &usb_dma_platform_data,
+        },
+};
+
 /* I2C */
 static struct resource i2c0_resources[] = {
         [0] = {
@@ -322,8 +593,30 @@ static struct platform_device i2c1_device = {
 static struct platform_device *r8a7740_late_devices[] __initdata = {
         &i2c0_device,
         &i2c1_device,
+        &dma0_device,
+        &dma1_device,
+        &dma2_device,
+        &usb_dma_device,
 };
 
+/*
+ * r8a7740 chip has lasting errata on MERAM buffer.
+ * this is work-around for it.
+ * see
+ *      "Media RAM (MERAM)" on r8a7740 documentation
+ */
+#define MEBUFCNTR       0xFE950098
+void r8a7740_meram_workaround(void)
+{
+        void __iomem *reg;
+
+        reg = ioremap_nocache(MEBUFCNTR, 4);
+        if (reg) {
+                iowrite32(0x01600164, reg);
+                iounmap(reg);
+        }
+}
+
 #define ICCR    0x0004
 #define ICSTART 0x0070
 
@@ -380,10 +673,31 @@ void __init r8a7740_add_standard_devices(void)
         r8a7740_i2c_workaround(&i2c0_device);
         r8a7740_i2c_workaround(&i2c1_device);
 
+        /* PM domain */
+        rmobile_init_pm_domain(&r8a7740_pd_a4s);
+        rmobile_init_pm_domain(&r8a7740_pd_a3sp);
+        rmobile_init_pm_domain(&r8a7740_pd_a4lc);
+
+        rmobile_pm_add_subdomain(&r8a7740_pd_a4s, &r8a7740_pd_a3sp);
+
+        /* add devices */
         platform_add_devices(r8a7740_early_devices,
                             ARRAY_SIZE(r8a7740_early_devices));
         platform_add_devices(r8a7740_late_devices,
                              ARRAY_SIZE(r8a7740_late_devices));
+
+        /* add devices to PM domain  */
+
+        rmobile_add_device_to_domain(&r8a7740_pd_a3sp,  &scif0_device);
+        rmobile_add_device_to_domain(&r8a7740_pd_a3sp,  &scif1_device);
+        rmobile_add_device_to_domain(&r8a7740_pd_a3sp,  &scif2_device);
+        rmobile_add_device_to_domain(&r8a7740_pd_a3sp,  &scif3_device);
+        rmobile_add_device_to_domain(&r8a7740_pd_a3sp,  &scif4_device);
+        rmobile_add_device_to_domain(&r8a7740_pd_a3sp,  &scif5_device);
+        rmobile_add_device_to_domain(&r8a7740_pd_a3sp,  &scif6_device);
+        rmobile_add_device_to_domain(&r8a7740_pd_a3sp,  &scif7_device);
+        rmobile_add_device_to_domain(&r8a7740_pd_a3sp,  &scifb_device);
+        rmobile_add_device_to_domain(&r8a7740_pd_a3sp,  &i2c1_device);
 }
 
 static void __init r8a7740_earlytimer_init(void)
@@ -403,3 +717,49 @@ void __init r8a7740_add_early_devices(void)
         /* override timer setup with soc-specific code */
         shmobile_timer.init = r8a7740_earlytimer_init;
 }
+
+#ifdef CONFIG_USE_OF
+
+void __init r8a7740_add_early_devices_dt(void)
+{
+        shmobile_setup_delay(800, 1, 3); /* Cortex-A9 @ 800MHz */
+
+        early_platform_add_devices(r8a7740_early_devices,
+                                   ARRAY_SIZE(r8a7740_early_devices));
+
+        /* setup early console here as well */
+        shmobile_setup_console();
+}
+
+static const struct of_dev_auxdata r8a7740_auxdata_lookup[] __initconst = {
+        { }
+};
+
+void __init r8a7740_add_standard_devices_dt(void)
+{
+        /* clocks are setup late during boot in the case of DT */
+        r8a7740_clock_init(0);
+
+        platform_add_devices(r8a7740_early_devices,
+                            ARRAY_SIZE(r8a7740_early_devices));
+
+        of_platform_populate(NULL, of_default_bus_match_table,
+                             r8a7740_auxdata_lookup, NULL);
+}
+
+static const char *r8a7740_boards_compat_dt[] __initdata = {
+        "renesas,r8a7740",
+        NULL,
+};
+
+DT_MACHINE_START(SH7372_DT, "Generic R8A7740 (Flattened Device Tree)")
+        .map_io         = r8a7740_map_io,
+        .init_early     = r8a7740_add_early_devices_dt,
+        .init_irq       = r8a7740_init_irq,
+        .handle_irq     = shmobile_handle_irq_intc,
+        .init_machine   = r8a7740_add_standard_devices_dt,
+        .timer          = &shmobile_timer,
+        .dt_compat      = r8a7740_boards_compat_dt,
+MACHINE_END
+
+#endif /* CONFIG_USE_OF */
diff --git a/arch/arm/mach-shmobile/setup-sh7372.c b/arch/arm/mach-shmobile/setup-sh7372.c
index fafce9ce8218..838a87be1d5c 100644
--- a/arch/arm/mach-shmobile/setup-sh7372.c
+++ b/arch/arm/mach-shmobile/setup-sh7372.c
@@ -33,6 +33,7 @@
 #include <linux/sh_timer.h>
 #include <linux/pm_domain.h>
 #include <linux/dma-mapping.h>
+#include <mach/dma-register.h>
 #include <mach/hardware.h>
 #include <mach/irqs.h>
 #include <mach/sh7372.h>
@@ -335,151 +336,126 @@ static struct platform_device iic1_device = {
 };
 
 /* DMA */
-/* Transmit sizes and respective CHCR register values */
-enum {
-        XMIT_SZ_8BIT            = 0,
-        XMIT_SZ_16BIT           = 1,
-        XMIT_SZ_32BIT           = 2,
-        XMIT_SZ_64BIT           = 7,
-        XMIT_SZ_128BIT          = 3,
-        XMIT_SZ_256BIT          = 4,
-        XMIT_SZ_512BIT          = 5,
-};
-
-/* log2(size / 8) - used to calculate number of transfers */
-#define TS_SHIFT {                      \
-        [XMIT_SZ_8BIT]          = 0,    \
-        [XMIT_SZ_16BIT]         = 1,    \
-        [XMIT_SZ_32BIT]         = 2,    \
-        [XMIT_SZ_64BIT]         = 3,    \
-        [XMIT_SZ_128BIT]        = 4,    \
-        [XMIT_SZ_256BIT]        = 5,    \
-        [XMIT_SZ_512BIT]        = 6,    \
-}
-
-#define TS_INDEX2VAL(i) ((((i) & 3) << 3) | \
-                         (((i) & 0xc) << (20 - 2)))
-
 static const struct sh_dmae_slave_config sh7372_dmae_slaves[] = {
         {
                 .slave_id       = SHDMA_SLAVE_SCIF0_TX,
                 .addr           = 0xe6c40020,
-                .chcr           = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+                .chcr           = CHCR_TX(XMIT_SZ_8BIT),
                 .mid_rid        = 0x21,
         }, {
                 .slave_id       = SHDMA_SLAVE_SCIF0_RX,
                 .addr           = 0xe6c40024,
-                .chcr           = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+                .chcr           = CHCR_RX(XMIT_SZ_8BIT),
                 .mid_rid        = 0x22,
         }, {
                 .slave_id       = SHDMA_SLAVE_SCIF1_TX,
                 .addr           = 0xe6c50020,
-                .chcr           = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+                .chcr           = CHCR_TX(XMIT_SZ_8BIT),
                 .mid_rid        = 0x25,
         }, {
                 .slave_id       = SHDMA_SLAVE_SCIF1_RX,
                 .addr           = 0xe6c50024,
-                .chcr           = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+                .chcr           = CHCR_RX(XMIT_SZ_8BIT),
                 .mid_rid        = 0x26,
         }, {
                 .slave_id       = SHDMA_SLAVE_SCIF2_TX,
                 .addr           = 0xe6c60020,
-                .chcr           = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+                .chcr           = CHCR_TX(XMIT_SZ_8BIT),
                 .mid_rid        = 0x29,
         }, {
                 .slave_id       = SHDMA_SLAVE_SCIF2_RX,
                 .addr           = 0xe6c60024,
-                .chcr           = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+                .chcr           = CHCR_RX(XMIT_SZ_8BIT),
                 .mid_rid        = 0x2a,
         }, {
                 .slave_id       = SHDMA_SLAVE_SCIF3_TX,
                 .addr           = 0xe6c70020,
-                .chcr           = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+                .chcr           = CHCR_TX(XMIT_SZ_8BIT),
                 .mid_rid        = 0x2d,
         }, {
                 .slave_id       = SHDMA_SLAVE_SCIF3_RX,
                 .addr           = 0xe6c70024,
-                .chcr           = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+                .chcr           = CHCR_RX(XMIT_SZ_8BIT),
                 .mid_rid        = 0x2e,
         }, {
                 .slave_id       = SHDMA_SLAVE_SCIF4_TX,
                 .addr           = 0xe6c80020,
-                .chcr           = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+                .chcr           = CHCR_TX(XMIT_SZ_8BIT),
                 .mid_rid        = 0x39,
         }, {
                 .slave_id       = SHDMA_SLAVE_SCIF4_RX,
                 .addr           = 0xe6c80024,
-                .chcr           = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+                .chcr           = CHCR_RX(XMIT_SZ_8BIT),
                 .mid_rid        = 0x3a,
         }, {
                 .slave_id       = SHDMA_SLAVE_SCIF5_TX,
                 .addr           = 0xe6cb0020,
-                .chcr           = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+                .chcr           = CHCR_TX(XMIT_SZ_8BIT),
                 .mid_rid        = 0x35,
         }, {
                 .slave_id       = SHDMA_SLAVE_SCIF5_RX,
                 .addr           = 0xe6cb0024,
-                .chcr           = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+                .chcr           = CHCR_RX(XMIT_SZ_8BIT),
                 .mid_rid        = 0x36,
         }, {
                 .slave_id       = SHDMA_SLAVE_SCIF6_TX,
                 .addr           = 0xe6c30040,
-                .chcr           = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+                .chcr           = CHCR_TX(XMIT_SZ_8BIT),
                 .mid_rid        = 0x3d,
         }, {
                 .slave_id       = SHDMA_SLAVE_SCIF6_RX,
                 .addr           = 0xe6c30060,
-                .chcr           = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+                .chcr           = CHCR_RX(XMIT_SZ_8BIT),
                 .mid_rid        = 0x3e,
         }, {
                 .slave_id       = SHDMA_SLAVE_SDHI0_TX,
                 .addr           = 0xe6850030,
-                .chcr           = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT),
+                .chcr           = CHCR_TX(XMIT_SZ_16BIT),
                 .mid_rid        = 0xc1,
         }, {
                 .slave_id       = SHDMA_SLAVE_SDHI0_RX,
                 .addr           = 0xe6850030,
-                .chcr           = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT),
+                .chcr           = CHCR_RX(XMIT_SZ_16BIT),
                 .mid_rid        = 0xc2,
         }, {
                 .slave_id       = SHDMA_SLAVE_SDHI1_TX,
                 .addr           = 0xe6860030,
-                .chcr           = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT),
+                .chcr           = CHCR_TX(XMIT_SZ_16BIT),
                 .mid_rid        = 0xc9,
         }, {
                 .slave_id       = SHDMA_SLAVE_SDHI1_RX,
                 .addr           = 0xe6860030,
-                .chcr           = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT),
+                .chcr           = CHCR_RX(XMIT_SZ_16BIT),
                 .mid_rid        = 0xca,
         }, {
                 .slave_id       = SHDMA_SLAVE_SDHI2_TX,
                 .addr           = 0xe6870030,
-                .chcr           = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT),
+                .chcr           = CHCR_TX(XMIT_SZ_16BIT),
                 .mid_rid        = 0xcd,
         }, {
                 .slave_id       = SHDMA_SLAVE_SDHI2_RX,
                 .addr           = 0xe6870030,
-                .chcr           = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT),
+                .chcr           = CHCR_RX(XMIT_SZ_16BIT),
                 .mid_rid        = 0xce,
         }, {
                 .slave_id       = SHDMA_SLAVE_FSIA_TX,
                 .addr           = 0xfe1f0024,
-                .chcr           = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT),
+                .chcr           = CHCR_TX(XMIT_SZ_32BIT),
                 .mid_rid        = 0xb1,
         }, {
                 .slave_id       = SHDMA_SLAVE_FSIA_RX,
                 .addr           = 0xfe1f0020,
-                .chcr           = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT),
+                .chcr           = CHCR_RX(XMIT_SZ_32BIT),
                 .mid_rid        = 0xb2,
         }, {
                 .slave_id       = SHDMA_SLAVE_MMCIF_TX,
                 .addr           = 0xe6bd0034,
-                .chcr           = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT),
+                .chcr           = CHCR_TX(XMIT_SZ_32BIT),
                 .mid_rid        = 0xd1,
         }, {
                 .slave_id       = SHDMA_SLAVE_MMCIF_RX,
                 .addr           = 0xe6bd0034,
-                .chcr           = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT),
+                .chcr           = CHCR_RX(XMIT_SZ_32BIT),
                 .mid_rid        = 0xd2,
         },
 };
@@ -520,19 +496,17 @@ static const struct sh_dmae_channel sh7372_dmae_channels[] = {
         }
 };
 
-static const unsigned int ts_shift[] = TS_SHIFT;
-
 static struct sh_dmae_pdata dma_platform_data = {
         .slave          = sh7372_dmae_slaves,
         .slave_num      = ARRAY_SIZE(sh7372_dmae_slaves),
         .channel        = sh7372_dmae_channels,
         .channel_num    = ARRAY_SIZE(sh7372_dmae_channels),
-        .ts_low_shift   = 3,
-        .ts_low_mask    = 0x18,
-        .ts_high_shift  = (20 - 2),     /* 2 bits for shifted low TS */
-        .ts_high_mask   = 0x00300000,
-        .ts_shift       = ts_shift,
-        .ts_shift_num   = ARRAY_SIZE(ts_shift),
+        .ts_low_shift   = TS_LOW_SHIFT,
+        .ts_low_mask    = TS_LOW_BIT << TS_LOW_SHIFT,
+        .ts_high_shift  = TS_HI_SHIFT,
+        .ts_high_mask   = TS_HI_BIT << TS_HI_SHIFT,
+        .ts_shift       = dma_ts_shift,
+        .ts_shift_num   = ARRAY_SIZE(dma_ts_shift),
         .dmaor_init     = DMAOR_DME,
         .chclr_present  = 1,
 };
@@ -654,17 +628,6 @@ static struct platform_device dma2_device = {
 /*
  * USB-DMAC
  */
-
-unsigned int usbts_shift[] = {3, 4, 5};
-
-enum {
-        XMIT_SZ_8BYTE           = 0,
-        XMIT_SZ_16BYTE          = 1,
-        XMIT_SZ_32BYTE          = 2,
-};
-
-#define USBTS_INDEX2VAL(i) (((i) & 3) << 6)
-
 static const struct sh_dmae_channel sh7372_usb_dmae_channels[] = {
         {
                 .offset = 0,
@@ -677,10 +640,10 @@ static const struct sh_dmae_channel sh7372_usb_dmae_channels[] = {
 static const struct sh_dmae_slave_config sh7372_usb_dmae0_slaves[] = {
         {
                 .slave_id       = SHDMA_SLAVE_USB0_TX,
-                .chcr           = USBTS_INDEX2VAL(XMIT_SZ_8BYTE),
+                .chcr           = USBTS_INDEX2VAL(USBTS_XMIT_SZ_8BYTE),
         }, {
                 .slave_id       = SHDMA_SLAVE_USB0_RX,
-                .chcr           = USBTS_INDEX2VAL(XMIT_SZ_8BYTE),
+                .chcr           = USBTS_INDEX2VAL(USBTS_XMIT_SZ_8BYTE),
         },
 };
 
@@ -689,12 +652,12 @@ static struct sh_dmae_pdata usb_dma0_platform_data = {
         .slave_num      = ARRAY_SIZE(sh7372_usb_dmae0_slaves),
         .channel        = sh7372_usb_dmae_channels,
         .channel_num    = ARRAY_SIZE(sh7372_usb_dmae_channels),
-        .ts_low_shift   = 6,
-        .ts_low_mask    = 0xc0,
-        .ts_high_shift  = 0,
-        .ts_high_mask   = 0,
-        .ts_shift       = usbts_shift,
-        .ts_shift_num   = ARRAY_SIZE(usbts_shift),
+        .ts_low_shift   = USBTS_LOW_SHIFT,
+        .ts_low_mask    = USBTS_LOW_BIT << USBTS_LOW_SHIFT,
+        .ts_high_shift  = USBTS_HI_SHIFT,
+        .ts_high_mask   = USBTS_HI_BIT << USBTS_HI_SHIFT,
+        .ts_shift       = dma_usbts_shift,
+        .ts_shift_num   = ARRAY_SIZE(dma_usbts_shift),
         .dmaor_init     = DMAOR_DME,
         .chcr_offset    = 0x14,
         .chcr_ie_bit    = 1 << 5,
@@ -739,10 +702,10 @@ static struct platform_device usb_dma0_device = {
 static const struct sh_dmae_slave_config sh7372_usb_dmae1_slaves[] = {
         {
                 .slave_id       = SHDMA_SLAVE_USB1_TX,
-                .chcr           = USBTS_INDEX2VAL(XMIT_SZ_8BYTE),
+                .chcr           = USBTS_INDEX2VAL(USBTS_XMIT_SZ_8BYTE),
         }, {
                 .slave_id       = SHDMA_SLAVE_USB1_RX,
-                .chcr           = USBTS_INDEX2VAL(XMIT_SZ_8BYTE),
+                .chcr           = USBTS_INDEX2VAL(USBTS_XMIT_SZ_8BYTE),
         },
 };
 
@@ -751,12 +714,12 @@ static struct sh_dmae_pdata usb_dma1_platform_data = {
         .slave_num      = ARRAY_SIZE(sh7372_usb_dmae1_slaves),
         .channel        = sh7372_usb_dmae_channels,
         .channel_num    = ARRAY_SIZE(sh7372_usb_dmae_channels),
-        .ts_low_shift   = 6,
-        .ts_low_mask    = 0xc0,
-        .ts_high_shift  = 0,
-        .ts_high_mask   = 0,
-        .ts_shift       = usbts_shift,
-        .ts_shift_num   = ARRAY_SIZE(usbts_shift),
+        .ts_low_shift   = USBTS_LOW_SHIFT,
+        .ts_low_mask    = USBTS_LOW_BIT << USBTS_LOW_SHIFT,
+        .ts_high_shift  = USBTS_HI_SHIFT,
+        .ts_high_mask   = USBTS_HI_BIT << USBTS_HI_SHIFT,
+        .ts_shift       = dma_usbts_shift,
+        .ts_shift_num   = ARRAY_SIZE(dma_usbts_shift),
         .dmaor_init     = DMAOR_DME,
         .chcr_offset    = 0x14,
         .chcr_ie_bit    = 1 << 5,
@@ -1038,21 +1001,21 @@ static struct platform_device *sh7372_late_devices[] __initdata = {
 
 void __init sh7372_add_standard_devices(void)
 {
-        sh7372_init_pm_domain(&sh7372_a4lc);
-        sh7372_init_pm_domain(&sh7372_a4mp);
-        sh7372_init_pm_domain(&sh7372_d4);
-        sh7372_init_pm_domain(&sh7372_a4r);
-        sh7372_init_pm_domain(&sh7372_a3rv);
-        sh7372_init_pm_domain(&sh7372_a3ri);
-        sh7372_init_pm_domain(&sh7372_a4s);
-        sh7372_init_pm_domain(&sh7372_a3sp);
-        sh7372_init_pm_domain(&sh7372_a3sg);
-
-        sh7372_pm_add_subdomain(&sh7372_a4lc, &sh7372_a3rv);
-        sh7372_pm_add_subdomain(&sh7372_a4r, &sh7372_a4lc);
-
-        sh7372_pm_add_subdomain(&sh7372_a4s, &sh7372_a3sg);
-        sh7372_pm_add_subdomain(&sh7372_a4s, &sh7372_a3sp);
+        rmobile_init_pm_domain(&sh7372_pd_a4lc);
+        rmobile_init_pm_domain(&sh7372_pd_a4mp);
+        rmobile_init_pm_domain(&sh7372_pd_d4);
+        rmobile_init_pm_domain(&sh7372_pd_a4r);
+        rmobile_init_pm_domain(&sh7372_pd_a3rv);
+        rmobile_init_pm_domain(&sh7372_pd_a3ri);
+        rmobile_init_pm_domain(&sh7372_pd_a4s);
+        rmobile_init_pm_domain(&sh7372_pd_a3sp);
+        rmobile_init_pm_domain(&sh7372_pd_a3sg);
+
+        rmobile_pm_add_subdomain(&sh7372_pd_a4lc, &sh7372_pd_a3rv);
+        rmobile_pm_add_subdomain(&sh7372_pd_a4r, &sh7372_pd_a4lc);
+
+        rmobile_pm_add_subdomain(&sh7372_pd_a4s, &sh7372_pd_a3sg);
+        rmobile_pm_add_subdomain(&sh7372_pd_a4s, &sh7372_pd_a3sp);
 
         platform_add_devices(sh7372_early_devices,
                             ARRAY_SIZE(sh7372_early_devices));
@@ -1060,30 +1023,30 @@ void __init sh7372_add_standard_devices(void)
         platform_add_devices(sh7372_late_devices,
                             ARRAY_SIZE(sh7372_late_devices));
 
-        sh7372_add_device_to_domain(&sh7372_a3rv, &vpu_device);
-        sh7372_add_device_to_domain(&sh7372_a4mp, &spu0_device);
-        sh7372_add_device_to_domain(&sh7372_a4mp, &spu1_device);
-        sh7372_add_device_to_domain(&sh7372_a3sp, &scif0_device);
-        sh7372_add_device_to_domain(&sh7372_a3sp, &scif1_device);
-        sh7372_add_device_to_domain(&sh7372_a3sp, &scif2_device);
-        sh7372_add_device_to_domain(&sh7372_a3sp, &scif3_device);
-        sh7372_add_device_to_domain(&sh7372_a3sp, &scif4_device);
-        sh7372_add_device_to_domain(&sh7372_a3sp, &scif5_device);
-        sh7372_add_device_to_domain(&sh7372_a3sp, &scif6_device);
-        sh7372_add_device_to_domain(&sh7372_a3sp, &iic1_device);
-        sh7372_add_device_to_domain(&sh7372_a3sp, &dma0_device);
-        sh7372_add_device_to_domain(&sh7372_a3sp, &dma1_device);
-        sh7372_add_device_to_domain(&sh7372_a3sp, &dma2_device);
-        sh7372_add_device_to_domain(&sh7372_a3sp, &usb_dma0_device);
-        sh7372_add_device_to_domain(&sh7372_a3sp, &usb_dma1_device);
-        sh7372_add_device_to_domain(&sh7372_a4r, &iic0_device);
-        sh7372_add_device_to_domain(&sh7372_a4r, &veu0_device);
-        sh7372_add_device_to_domain(&sh7372_a4r, &veu1_device);
-        sh7372_add_device_to_domain(&sh7372_a4r, &veu2_device);
-        sh7372_add_device_to_domain(&sh7372_a4r, &veu3_device);
-        sh7372_add_device_to_domain(&sh7372_a4r, &jpu_device);
-        sh7372_add_device_to_domain(&sh7372_a4r, &tmu00_device);
-        sh7372_add_device_to_domain(&sh7372_a4r, &tmu01_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a3rv, &vpu_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a4mp, &spu0_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a4mp, &spu1_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a3sp, &scif0_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a3sp, &scif1_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a3sp, &scif2_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a3sp, &scif3_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a3sp, &scif4_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a3sp, &scif5_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a3sp, &scif6_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a3sp, &iic1_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a3sp, &dma0_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a3sp, &dma1_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a3sp, &dma2_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a3sp, &usb_dma0_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a3sp, &usb_dma1_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a4r, &iic0_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a4r, &veu0_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a4r, &veu1_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a4r, &veu2_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a4r, &veu3_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a4r, &jpu_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a4r, &tmu00_device);
+        rmobile_add_device_to_domain(&sh7372_pd_a4r, &tmu01_device);
 }
 
 static void __init sh7372_earlytimer_init(void)
diff --git a/arch/arm/mach-shmobile/setup-sh7377.c b/arch/arm/mach-shmobile/setup-sh7377.c
index d576a6abbade..855b1506caf8 100644
--- a/arch/arm/mach-shmobile/setup-sh7377.c
+++ b/arch/arm/mach-shmobile/setup-sh7377.c
@@ -22,6 +22,7 @@
 #include <linux/interrupt.h>
 #include <linux/irq.h>
 #include <linux/platform_device.h>
+#include <linux/of_platform.h>
 #include <linux/uio_driver.h>
 #include <linux/delay.h>
 #include <linux/input.h>
@@ -500,3 +501,49 @@ void __init sh7377_add_early_devices(void)
         /* override timer setup with soc-specific code */
         shmobile_timer.init = sh7377_earlytimer_init;
 }
+
+#ifdef CONFIG_USE_OF
+
+void __init sh7377_add_early_devices_dt(void)
+{
+        shmobile_setup_delay(600, 1, 3); /* Cortex-A8 @ 600MHz */
+
+        early_platform_add_devices(sh7377_early_devices,
+                                   ARRAY_SIZE(sh7377_early_devices));
+
+        /* setup early console here as well */
+        shmobile_setup_console();
+}
+
+static const struct of_dev_auxdata sh7377_auxdata_lookup[] __initconst = {
+        { }
+};
+
+void __init sh7377_add_standard_devices_dt(void)
+{
+        /* clocks are setup late during boot in the case of DT */
+        sh7377_clock_init();
+
+        platform_add_devices(sh7377_early_devices,
+                            ARRAY_SIZE(sh7377_early_devices));
+
+        of_platform_populate(NULL, of_default_bus_match_table,
+                             sh7377_auxdata_lookup, NULL);
+}
+
+static const char *sh7377_boards_compat_dt[] __initdata = {
+        "renesas,sh7377",
+        NULL,
+};
+
+DT_MACHINE_START(SH7377_DT, "Generic SH7377 (Flattened Device Tree)")
+        .map_io         = sh7377_map_io,
+        .init_early     = sh7377_add_early_devices_dt,
+        .init_irq       = sh7377_init_irq,
+        .handle_irq     = shmobile_handle_irq_intc,
+        .init_machine   = sh7377_add_standard_devices_dt,
+        .timer          = &shmobile_timer,
+        .dt_compat      = sh7377_boards_compat_dt,
+MACHINE_END
+
+#endif /* CONFIG_USE_OF */
diff --git a/arch/arm/mach-shmobile/setup-sh73a0.c b/arch/arm/mach-shmobile/setup-sh73a0.c
index 04a0dfe75493..d230af656fc9 100644
--- a/arch/arm/mach-shmobile/setup-sh73a0.c
+++ b/arch/arm/mach-shmobile/setup-sh73a0.c
@@ -30,6 +30,7 @@
 #include <linux/sh_dma.h>
 #include <linux/sh_intc.h>
 #include <linux/sh_timer.h>
+#include <mach/dma-register.h>
 #include <mach/hardware.h>
 #include <mach/irqs.h>
 #include <mach/sh73a0.h>
@@ -415,32 +416,6 @@ static struct platform_device i2c4_device = {
         .num_resources  = ARRAY_SIZE(i2c4_resources),
 };
 
-/* Transmit sizes and respective CHCR register values */
-enum {
-        XMIT_SZ_8BIT            = 0,
-        XMIT_SZ_16BIT           = 1,
-        XMIT_SZ_32BIT           = 2,
-        XMIT_SZ_64BIT           = 7,
-        XMIT_SZ_128BIT          = 3,
-        XMIT_SZ_256BIT          = 4,
-        XMIT_SZ_512BIT          = 5,
-};
-
-/* log2(size / 8) - used to calculate number of transfers */
-#define TS_SHIFT {                      \
-        [XMIT_SZ_8BIT]          = 0,    \
-        [XMIT_SZ_16BIT]         = 1,    \
-        [XMIT_SZ_32BIT]         = 2,    \
-        [XMIT_SZ_64BIT]         = 3,    \
-        [XMIT_SZ_128BIT]        = 4,    \
-        [XMIT_SZ_256BIT]        = 5,    \
-        [XMIT_SZ_512BIT]        = 6,    \
-}
-
-#define TS_INDEX2VAL(i) ((((i) & 3) << 3) | (((i) & 0xc) << (20 - 2)))
-#define CHCR_TX(xmit_sz) (DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL((xmit_sz)))
-#define CHCR_RX(xmit_sz) (DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL((xmit_sz)))
-
 static const struct sh_dmae_slave_config sh73a0_dmae_slaves[] = {
         {
                 .slave_id       = SHDMA_SLAVE_SCIF0_TX,
@@ -604,19 +579,17 @@ static const struct sh_dmae_channel sh73a0_dmae_channels[] = {
         DMAE_CHANNEL(0x8980),
 };
 
-static const unsigned int ts_shift[] = TS_SHIFT;
-
 static struct sh_dmae_pdata sh73a0_dmae_platform_data = {
         .slave          = sh73a0_dmae_slaves,
         .slave_num      = ARRAY_SIZE(sh73a0_dmae_slaves),
         .channel        = sh73a0_dmae_channels,
         .channel_num    = ARRAY_SIZE(sh73a0_dmae_channels),
-        .ts_low_shift   = 3,
-        .ts_low_mask    = 0x18,
-        .ts_high_shift  = (20 - 2),     /* 2 bits for shifted low TS */
-        .ts_high_mask   = 0x00300000,
-        .ts_shift       = ts_shift,
-        .ts_shift_num   = ARRAY_SIZE(ts_shift),
+        .ts_low_shift   = TS_LOW_SHIFT,
+        .ts_low_mask    = TS_LOW_BIT << TS_LOW_SHIFT,
+        .ts_high_shift  = TS_HI_SHIFT,
+        .ts_high_mask   = TS_HI_BIT << TS_HI_SHIFT,
+        .ts_shift       = dma_ts_shift,
+        .ts_shift_num   = ARRAY_SIZE(dma_ts_shift),
         .dmaor_init     = DMAOR_DME,
 };
 
@@ -651,6 +624,116 @@ static struct platform_device dma0_device = {
         },
 };
 
+/* MPDMAC */
+static const struct sh_dmae_slave_config sh73a0_mpdma_slaves[] = {
+        {
+                .slave_id       = SHDMA_SLAVE_FSI2A_RX,
+                .addr           = 0xec230020,
+                .chcr           = CHCR_RX(XMIT_SZ_32BIT),
+                .mid_rid        = 0xd6, /* CHECK ME */
+        }, {
+                .slave_id       = SHDMA_SLAVE_FSI2A_TX,
+                .addr           = 0xec230024,
+                .chcr           = CHCR_TX(XMIT_SZ_32BIT),
+                .mid_rid        = 0xd5, /* CHECK ME */
+        }, {
+                .slave_id       = SHDMA_SLAVE_FSI2C_RX,
+                .addr           = 0xec230060,
+                .chcr           = CHCR_RX(XMIT_SZ_32BIT),
+                .mid_rid        = 0xda, /* CHECK ME */
+        }, {
+                .slave_id       = SHDMA_SLAVE_FSI2C_TX,
+                .addr           = 0xec230064,
+                .chcr           = CHCR_TX(XMIT_SZ_32BIT),
+                .mid_rid        = 0xd9, /* CHECK ME */
+        }, {
+                .slave_id       = SHDMA_SLAVE_FSI2B_RX,
+                .addr           = 0xec240020,
+                .chcr           = CHCR_RX(XMIT_SZ_32BIT),
+                .mid_rid        = 0x8e, /* CHECK ME */
+        }, {
+                .slave_id       = SHDMA_SLAVE_FSI2B_TX,
+                .addr           = 0xec240024,
+                .chcr           = CHCR_RX(XMIT_SZ_32BIT),
+                .mid_rid        = 0x8d, /* CHECK ME */
+        }, {
+                .slave_id       = SHDMA_SLAVE_FSI2D_RX,
+                .addr           =  0xec240060,
+                .chcr           = CHCR_RX(XMIT_SZ_32BIT),
+                .mid_rid        = 0x9a, /* CHECK ME */
+        },
+};
+
+#define MPDMA_CHANNEL(a, b, c)                  \
+{                                               \
+        .offset         = a,                    \
+        .dmars          = b,                    \
+        .dmars_bit      = c,                    \
+        .chclr_offset   = (0x220 - 0x20) + a    \
+}
+
+static const struct sh_dmae_channel sh73a0_mpdma_channels[] = {
+        MPDMA_CHANNEL(0x00, 0, 0),
+        MPDMA_CHANNEL(0x10, 0, 8),
+        MPDMA_CHANNEL(0x20, 4, 0),
+        MPDMA_CHANNEL(0x30, 4, 8),
+        MPDMA_CHANNEL(0x50, 8, 0),
+        MPDMA_CHANNEL(0x70, 8, 8),
+};
+
+static struct sh_dmae_pdata sh73a0_mpdma_platform_data = {
+        .slave          = sh73a0_mpdma_slaves,
+        .slave_num      = ARRAY_SIZE(sh73a0_mpdma_slaves),
+        .channel        = sh73a0_mpdma_channels,
+        .channel_num    = ARRAY_SIZE(sh73a0_mpdma_channels),
+        .ts_low_shift   = TS_LOW_SHIFT,
+        .ts_low_mask    = TS_LOW_BIT << TS_LOW_SHIFT,
+        .ts_high_shift  = TS_HI_SHIFT,
+        .ts_high_mask   = TS_HI_BIT << TS_HI_SHIFT,
+        .ts_shift       = dma_ts_shift,
+        .ts_shift_num   = ARRAY_SIZE(dma_ts_shift),
+        .dmaor_init     = DMAOR_DME,
+        .chclr_present  = 1,
+};
+
+/* Resource order important! */
+static struct resource sh73a0_mpdma_resources[] = {
+        {
+                /* Channel registers and DMAOR */
+                .start  = 0xec618020,
+                .end    = 0xec61828f,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                /* DMARSx */
+                .start  = 0xec619000,
+                .end    = 0xec61900b,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .name   = "error_irq",
+                .start  = gic_spi(181),
+                .end    = gic_spi(181),
+                .flags  = IORESOURCE_IRQ,
+        },
+        {
+                /* IRQ for channels 0-5 */
+                .start  = gic_spi(175),
+                .end    = gic_spi(180),
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device mpdma0_device = {
+        .name           = "sh-dma-engine",
+        .id             = 1,
+        .resource       = sh73a0_mpdma_resources,
+        .num_resources  = ARRAY_SIZE(sh73a0_mpdma_resources),
+        .dev            = {
+                .platform_data  = &sh73a0_mpdma_platform_data,
+        },
+};
+
 static struct platform_device *sh73a0_early_devices[] __initdata = {
         &scif0_device,
         &scif1_device,
@@ -673,6 +756,7 @@ static struct platform_device *sh73a0_late_devices[] __initdata = {
         &i2c3_device,
         &i2c4_device,
         &dma0_device,
+        &mpdma0_device,
 };
 
 #define SRCR2          0xe61580b0
diff --git a/arch/arm/mach-spear3xx/spear300.c b/arch/arm/mach-spear3xx/spear300.c
index 0f882ecb7d81..6ec300549960 100644
--- a/arch/arm/mach-spear3xx/spear300.c
+++ b/arch/arm/mach-spear3xx/spear300.c
@@ -120,182 +120,156 @@ struct pl08x_channel_data spear300_dma_info[] = {
                 .min_signal = 2,
                 .max_signal = 2,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "uart0_tx",
                 .min_signal = 3,
                 .max_signal = 3,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ssp0_rx",
                 .min_signal = 8,
                 .max_signal = 8,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ssp0_tx",
                 .min_signal = 9,
                 .max_signal = 9,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "i2c_rx",
                 .min_signal = 10,
                 .max_signal = 10,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "i2c_tx",
                 .min_signal = 11,
                 .max_signal = 11,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "irda",
                 .min_signal = 12,
                 .max_signal = 12,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "adc",
                 .min_signal = 13,
                 .max_signal = 13,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "to_jpeg",
                 .min_signal = 14,
                 .max_signal = 14,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "from_jpeg",
                 .min_signal = 15,
                 .max_signal = 15,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras0_rx",
                 .min_signal = 0,
                 .max_signal = 0,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras0_tx",
                 .min_signal = 1,
                 .max_signal = 1,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras1_rx",
                 .min_signal = 2,
                 .max_signal = 2,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras1_tx",
                 .min_signal = 3,
                 .max_signal = 3,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras2_rx",
                 .min_signal = 4,
                 .max_signal = 4,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras2_tx",
                 .min_signal = 5,
                 .max_signal = 5,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras3_rx",
                 .min_signal = 6,
                 .max_signal = 6,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras3_tx",
                 .min_signal = 7,
                 .max_signal = 7,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras4_rx",
                 .min_signal = 8,
                 .max_signal = 8,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras4_tx",
                 .min_signal = 9,
                 .max_signal = 9,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras5_rx",
                 .min_signal = 10,
                 .max_signal = 10,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras5_tx",
                 .min_signal = 11,
                 .max_signal = 11,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras6_rx",
                 .min_signal = 12,
                 .max_signal = 12,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras6_tx",
                 .min_signal = 13,
                 .max_signal = 13,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras7_rx",
                 .min_signal = 14,
                 .max_signal = 14,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras7_tx",
                 .min_signal = 15,
                 .max_signal = 15,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         },
 };
diff --git a/arch/arm/mach-spear3xx/spear310.c b/arch/arm/mach-spear3xx/spear310.c
index bbcf4571d361..1d0e435b9045 100644
--- a/arch/arm/mach-spear3xx/spear310.c
+++ b/arch/arm/mach-spear3xx/spear310.c
@@ -205,182 +205,156 @@ struct pl08x_channel_data spear310_dma_info[] = {
                 .min_signal = 2,
                 .max_signal = 2,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "uart0_tx",
                 .min_signal = 3,
                 .max_signal = 3,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ssp0_rx",
                 .min_signal = 8,
                 .max_signal = 8,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ssp0_tx",
                 .min_signal = 9,
                 .max_signal = 9,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "i2c_rx",
                 .min_signal = 10,
                 .max_signal = 10,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "i2c_tx",
                 .min_signal = 11,
                 .max_signal = 11,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "irda",
                 .min_signal = 12,
                 .max_signal = 12,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "adc",
                 .min_signal = 13,
                 .max_signal = 13,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "to_jpeg",
                 .min_signal = 14,
                 .max_signal = 14,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "from_jpeg",
                 .min_signal = 15,
                 .max_signal = 15,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "uart1_rx",
                 .min_signal = 0,
                 .max_signal = 0,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "uart1_tx",
                 .min_signal = 1,
                 .max_signal = 1,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "uart2_rx",
                 .min_signal = 2,
                 .max_signal = 2,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "uart2_tx",
                 .min_signal = 3,
                 .max_signal = 3,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "uart3_rx",
                 .min_signal = 4,
                 .max_signal = 4,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "uart3_tx",
                 .min_signal = 5,
                 .max_signal = 5,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "uart4_rx",
                 .min_signal = 6,
                 .max_signal = 6,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "uart4_tx",
                 .min_signal = 7,
                 .max_signal = 7,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "uart5_rx",
                 .min_signal = 8,
                 .max_signal = 8,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "uart5_tx",
                 .min_signal = 9,
                 .max_signal = 9,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras5_rx",
                 .min_signal = 10,
                 .max_signal = 10,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras5_tx",
                 .min_signal = 11,
                 .max_signal = 11,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras6_rx",
                 .min_signal = 12,
                 .max_signal = 12,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras6_tx",
                 .min_signal = 13,
                 .max_signal = 13,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras7_rx",
                 .min_signal = 14,
                 .max_signal = 14,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras7_tx",
                 .min_signal = 15,
                 .max_signal = 15,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         },
 };
diff --git a/arch/arm/mach-spear3xx/spear320.c b/arch/arm/mach-spear3xx/spear320.c
index 88d483bcd66a..fd823c624575 100644
--- a/arch/arm/mach-spear3xx/spear320.c
+++ b/arch/arm/mach-spear3xx/spear320.c
@@ -213,182 +213,156 @@ struct pl08x_channel_data spear320_dma_info[] = {
                 .min_signal = 2,
                 .max_signal = 2,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "uart0_tx",
                 .min_signal = 3,
                 .max_signal = 3,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ssp0_rx",
                 .min_signal = 8,
                 .max_signal = 8,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ssp0_tx",
                 .min_signal = 9,
                 .max_signal = 9,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "i2c0_rx",
                 .min_signal = 10,
                 .max_signal = 10,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "i2c0_tx",
                 .min_signal = 11,
                 .max_signal = 11,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "irda",
                 .min_signal = 12,
                 .max_signal = 12,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "adc",
                 .min_signal = 13,
                 .max_signal = 13,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "to_jpeg",
                 .min_signal = 14,
                 .max_signal = 14,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "from_jpeg",
                 .min_signal = 15,
                 .max_signal = 15,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ssp1_rx",
                 .min_signal = 0,
                 .max_signal = 0,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "ssp1_tx",
                 .min_signal = 1,
                 .max_signal = 1,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "ssp2_rx",
                 .min_signal = 2,
                 .max_signal = 2,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "ssp2_tx",
                 .min_signal = 3,
                 .max_signal = 3,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "uart1_rx",
                 .min_signal = 4,
                 .max_signal = 4,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "uart1_tx",
                 .min_signal = 5,
                 .max_signal = 5,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "uart2_rx",
                 .min_signal = 6,
                 .max_signal = 6,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "uart2_tx",
                 .min_signal = 7,
                 .max_signal = 7,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "i2c1_rx",
                 .min_signal = 8,
                 .max_signal = 8,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "i2c1_tx",
                 .min_signal = 9,
                 .max_signal = 9,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "i2c2_rx",
                 .min_signal = 10,
                 .max_signal = 10,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "i2c2_tx",
                 .min_signal = 11,
                 .max_signal = 11,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "i2s_rx",
                 .min_signal = 12,
                 .max_signal = 12,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "i2s_tx",
                 .min_signal = 13,
                 .max_signal = 13,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "rs485_rx",
                 .min_signal = 14,
                 .max_signal = 14,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "rs485_tx",
                 .min_signal = 15,
                 .max_signal = 15,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         },
 };
diff --git a/arch/arm/mach-spear3xx/spear3xx.c b/arch/arm/mach-spear3xx/spear3xx.c
index 66db5f13af84..98144baf8883 100644
--- a/arch/arm/mach-spear3xx/spear3xx.c
+++ b/arch/arm/mach-spear3xx/spear3xx.c
@@ -46,7 +46,8 @@ struct pl022_ssp_controller pl022_plat_data = {
 struct pl08x_platform_data pl080_plat_data = {
         .memcpy_channel = {
                 .bus_id = "memcpy",
-                .cctl = (PL080_BSIZE_16 << PL080_CONTROL_SB_SIZE_SHIFT | \
+                .cctl_memcpy =
+                        (PL080_BSIZE_16 << PL080_CONTROL_SB_SIZE_SHIFT | \
                         PL080_BSIZE_16 << PL080_CONTROL_DB_SIZE_SHIFT | \
                         PL080_WIDTH_32BIT << PL080_CONTROL_SWIDTH_SHIFT | \
                         PL080_WIDTH_32BIT << PL080_CONTROL_DWIDTH_SHIFT | \
diff --git a/arch/arm/mach-spear6xx/spear6xx.c b/arch/arm/mach-spear6xx/spear6xx.c
index 9af67d003c62..5a5a52db252b 100644
--- a/arch/arm/mach-spear6xx/spear6xx.c
+++ b/arch/arm/mach-spear6xx/spear6xx.c
@@ -36,336 +36,288 @@ static struct pl08x_channel_data spear600_dma_info[] = {
                 .min_signal = 0,
                 .max_signal = 0,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ssp1_tx",
                 .min_signal = 1,
                 .max_signal = 1,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "uart0_rx",
                 .min_signal = 2,
                 .max_signal = 2,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "uart0_tx",
                 .min_signal = 3,
                 .max_signal = 3,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "uart1_rx",
                 .min_signal = 4,
                 .max_signal = 4,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "uart1_tx",
                 .min_signal = 5,
                 .max_signal = 5,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ssp2_rx",
                 .min_signal = 6,
                 .max_signal = 6,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "ssp2_tx",
                 .min_signal = 7,
                 .max_signal = 7,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "ssp0_rx",
                 .min_signal = 8,
                 .max_signal = 8,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ssp0_tx",
                 .min_signal = 9,
                 .max_signal = 9,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "i2c_rx",
                 .min_signal = 10,
                 .max_signal = 10,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "i2c_tx",
                 .min_signal = 11,
                 .max_signal = 11,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "irda",
                 .min_signal = 12,
                 .max_signal = 12,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "adc",
                 .min_signal = 13,
                 .max_signal = 13,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "to_jpeg",
                 .min_signal = 14,
                 .max_signal = 14,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "from_jpeg",
                 .min_signal = 15,
                 .max_signal = 15,
                 .muxval = 0,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras0_rx",
                 .min_signal = 0,
                 .max_signal = 0,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras0_tx",
                 .min_signal = 1,
                 .max_signal = 1,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras1_rx",
                 .min_signal = 2,
                 .max_signal = 2,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras1_tx",
                 .min_signal = 3,
                 .max_signal = 3,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras2_rx",
                 .min_signal = 4,
                 .max_signal = 4,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras2_tx",
                 .min_signal = 5,
                 .max_signal = 5,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras3_rx",
                 .min_signal = 6,
                 .max_signal = 6,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras3_tx",
                 .min_signal = 7,
                 .max_signal = 7,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras4_rx",
                 .min_signal = 8,
                 .max_signal = 8,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras4_tx",
                 .min_signal = 9,
                 .max_signal = 9,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras5_rx",
                 .min_signal = 10,
                 .max_signal = 10,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras5_tx",
                 .min_signal = 11,
                 .max_signal = 11,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras6_rx",
                 .min_signal = 12,
                 .max_signal = 12,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras6_tx",
                 .min_signal = 13,
                 .max_signal = 13,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras7_rx",
                 .min_signal = 14,
                 .max_signal = 14,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ras7_tx",
                 .min_signal = 15,
                 .max_signal = 15,
                 .muxval = 1,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB1,
         }, {
                 .bus_id = "ext0_rx",
                 .min_signal = 0,
                 .max_signal = 0,
                 .muxval = 2,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "ext0_tx",
                 .min_signal = 1,
                 .max_signal = 1,
                 .muxval = 2,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "ext1_rx",
                 .min_signal = 2,
                 .max_signal = 2,
                 .muxval = 2,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "ext1_tx",
                 .min_signal = 3,
                 .max_signal = 3,
                 .muxval = 2,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "ext2_rx",
                 .min_signal = 4,
                 .max_signal = 4,
                 .muxval = 2,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "ext2_tx",
                 .min_signal = 5,
                 .max_signal = 5,
                 .muxval = 2,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "ext3_rx",
                 .min_signal = 6,
                 .max_signal = 6,
                 .muxval = 2,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "ext3_tx",
                 .min_signal = 7,
                 .max_signal = 7,
                 .muxval = 2,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "ext4_rx",
                 .min_signal = 8,
                 .max_signal = 8,
                 .muxval = 2,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "ext4_tx",
                 .min_signal = 9,
                 .max_signal = 9,
                 .muxval = 2,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "ext5_rx",
                 .min_signal = 10,
                 .max_signal = 10,
                 .muxval = 2,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "ext5_tx",
                 .min_signal = 11,
                 .max_signal = 11,
                 .muxval = 2,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "ext6_rx",
                 .min_signal = 12,
                 .max_signal = 12,
                 .muxval = 2,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "ext6_tx",
                 .min_signal = 13,
                 .max_signal = 13,
                 .muxval = 2,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "ext7_rx",
                 .min_signal = 14,
                 .max_signal = 14,
                 .muxval = 2,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         }, {
                 .bus_id = "ext7_tx",
                 .min_signal = 15,
                 .max_signal = 15,
                 .muxval = 2,
-                .cctl = 0,
                 .periph_buses = PL08X_AHB2,
         },
 };
@@ -373,7 +325,8 @@ static struct pl08x_channel_data spear600_dma_info[] = {
 struct pl08x_platform_data pl080_plat_data = {
         .memcpy_channel = {
                 .bus_id = "memcpy",
-                .cctl = (PL080_BSIZE_16 << PL080_CONTROL_SB_SIZE_SHIFT | \
+                .cctl_memcpy =
+                        (PL080_BSIZE_16 << PL080_CONTROL_SB_SIZE_SHIFT | \
                         PL080_BSIZE_16 << PL080_CONTROL_DB_SIZE_SHIFT | \
                         PL080_WIDTH_32BIT << PL080_CONTROL_SWIDTH_SHIFT | \
                         PL080_WIDTH_32BIT << PL080_CONTROL_DWIDTH_SHIFT | \
diff --git a/arch/arm/mach-tegra/board-dt-tegra20.c b/arch/arm/mach-tegra/board-dt-tegra20.c
index d0de9c1192f7..c0999633a9ab 100644
--- a/arch/arm/mach-tegra/board-dt-tegra20.c
+++ b/arch/arm/mach-tegra/board-dt-tegra20.c
@@ -64,7 +64,8 @@ struct of_dev_auxdata tegra20_auxdata_lookup[] __initdata = {
                        &tegra_ehci2_pdata),
         OF_DEV_AUXDATA("nvidia,tegra20-ehci", TEGRA_USB3_BASE, "tegra-ehci.2",
                        &tegra_ehci3_pdata),
-        OF_DEV_AUXDATA("nvidia,tegra20-apbdma", 0x6000a000, "tegra-apbdma", NULL),
+        OF_DEV_AUXDATA("nvidia,tegra20-apbdma", TEGRA_APB_DMA_BASE, "tegra-apbdma", NULL),
+        OF_DEV_AUXDATA("nvidia,tegra20-pwm", TEGRA_PWFM_BASE, "tegra-pwm", NULL),
         {}
 };
 
diff --git a/arch/arm/mach-tegra/board-dt-tegra30.c b/arch/arm/mach-tegra/board-dt-tegra30.c
index ee48214bfd89..53bf60f11580 100644
--- a/arch/arm/mach-tegra/board-dt-tegra30.c
+++ b/arch/arm/mach-tegra/board-dt-tegra30.c
@@ -33,6 +33,8 @@
 #include <asm/mach/arch.h>
 #include <asm/hardware/gic.h>
 
+#include <mach/iomap.h>
+
 #include "board.h"
 #include "clock.h"
 
@@ -48,6 +50,7 @@ struct of_dev_auxdata tegra30_auxdata_lookup[] __initdata = {
         OF_DEV_AUXDATA("nvidia,tegra20-i2c", 0x7000D000, "tegra-i2c.4", NULL),
         OF_DEV_AUXDATA("nvidia,tegra30-ahub", 0x70080000, "tegra30-ahub", NULL),
         OF_DEV_AUXDATA("nvidia,tegra30-apbdma", 0x6000a000, "tegra-apbdma", NULL),
+        OF_DEV_AUXDATA("nvidia,tegra30-pwm", TEGRA_PWFM_BASE, "tegra-pwm", NULL),
         {}
 };
 
diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c
index a310222951da..8674a890fd1c 100644
--- a/arch/arm/mach-ux500/board-mop500.c
+++ b/arch/arm/mach-ux500/board-mop500.c
@@ -15,6 +15,7 @@
 #include <linux/platform_device.h>
 #include <linux/io.h>
 #include <linux/i2c.h>
+#include <linux/platform_data/i2c-nomadik.h>
 #include <linux/gpio.h>
 #include <linux/amba/bus.h>
 #include <linux/amba/pl022.h>
@@ -40,7 +41,6 @@
 #include <asm/mach/arch.h>
 #include <asm/hardware/gic.h>
 
-#include <plat/i2c.h>
 #include <plat/ste_dma40.h>
 #include <plat/gpio-nomadik.h>
 
@@ -211,24 +211,6 @@ static struct ab8500_platform_data ab8500_platdata = {
         .codec          = &ab8500_codec_pdata,
 };
 
-static struct resource ab8500_resources[] = {
-        [0] = {
-                .start  = IRQ_DB8500_AB8500,
-                .end    = IRQ_DB8500_AB8500,
-                .flags  = IORESOURCE_IRQ
-        }
-};
-
-struct platform_device ab8500_device = {
-        .name = "ab8500-core",
-        .id = 0,
-        .dev = {
-                .platform_data = &ab8500_platdata,
-        },
-        .num_resources = 1,
-        .resource = ab8500_resources,
-};
-
 /*
  * TPS61052
  */
@@ -443,7 +425,6 @@ static struct hash_platform_data u8500_hash1_platform_data = {
 /* add any platform devices here - TODO */
 static struct platform_device *mop500_platform_devs[] __initdata = {
         &mop500_gpio_keys_device,
-        &ab8500_device,
 };
 
 #ifdef CONFIG_STE_DMA40
@@ -605,7 +586,6 @@ static struct platform_device *snowball_platform_devs[] __initdata = {
         &snowball_led_dev,
         &snowball_key_dev,
         &snowball_sbnet_dev,
-        &ab8500_device,
 };
 
 static void __init mop500_init_machine(void)
@@ -617,9 +597,8 @@ static void __init mop500_init_machine(void)
         mop500_gpio_keys[0].gpio = GPIO_PROX_SENSOR;
 
         mop500_pinmaps_init();
-        parent = u8500_init_devices();
+        parent = u8500_init_devices(&ab8500_platdata);
 
-        /* FIXME: parent of ab8500 should be prcmu */
         for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++)
                 mop500_platform_devs[i]->dev.parent = parent;
 
@@ -652,7 +631,7 @@ static void __init snowball_init_machine(void)
         int i;
 
         snowball_pinmaps_init();
-        parent = u8500_init_devices();
+        parent = u8500_init_devices(&ab8500_platdata);
 
         for (i = 0; i < ARRAY_SIZE(snowball_platform_devs); i++)
                 snowball_platform_devs[i]->dev.parent = parent;
@@ -684,7 +663,7 @@ static void __init hrefv60_init_machine(void)
         mop500_gpio_keys[0].gpio = HREFV60_PROX_SENSE_GPIO;
 
         hrefv60_pinmaps_init();
-        parent = u8500_init_devices();
+        parent = u8500_init_devices(&ab8500_platdata);
 
         for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++)
                 mop500_platform_devs[i]->dev.parent = parent;
@@ -785,9 +764,6 @@ static const struct of_device_id u8500_local_bus_nodes[] = {
         /* only create devices below soc node */
         { .compatible = "stericsson,db8500", },
         { .compatible = "stericsson,db8500-prcmu", },
-        { .compatible = "stericsson,db8500-prcmu-regulator", },
-        { .compatible = "stericsson,ab8500", },
-        { .compatible = "stericsson,ab8500-regulator", },
         { .compatible = "simple-bus"},
         { },
 };
diff --git a/arch/arm/mach-ux500/cpu-db8500.c b/arch/arm/mach-ux500/cpu-db8500.c
index c8dd94f606dc..db3c52d56ca4 100644
--- a/arch/arm/mach-ux500/cpu-db8500.c
+++ b/arch/arm/mach-ux500/cpu-db8500.c
@@ -16,6 +16,7 @@
 #include <linux/irq.h>
 #include <linux/platform_device.h>
 #include <linux/io.h>
+#include <linux/mfd/abx500/ab8500.h>
 
 #include <asm/mach/map.h>
 #include <asm/pmu.h>
@@ -115,7 +116,7 @@ static irqreturn_t db8500_pmu_handler(int irq, void *dev, irq_handler_t handler)
         return ret;
 }
 
-static struct arm_pmu_platdata db8500_pmu_platdata = {
+struct arm_pmu_platdata db8500_pmu_platdata = {
         .handle_irq             = db8500_pmu_handler,
 };
 
@@ -206,7 +207,7 @@ static struct device * __init db8500_soc_device_init(void)
 /*
  * This function is called from the board init
  */
-struct device * __init u8500_init_devices(void)
+struct device * __init u8500_init_devices(struct ab8500_platform_data *ab8500)
 {
         struct device *parent;
         int i;
@@ -223,6 +224,8 @@ struct device * __init u8500_init_devices(void)
         for (i = 0; i < ARRAY_SIZE(platform_devs); i++)
                 platform_devs[i]->dev.parent = parent;
 
+        db8500_prcmu_device.dev.platform_data = ab8500;
+
         platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs));
 
         return parent;
diff --git a/arch/arm/mach-ux500/devices-common.h b/arch/arm/mach-ux500/devices-common.h
index 6e4706560266..ecdd8386cffb 100644
--- a/arch/arm/mach-ux500/devices-common.h
+++ b/arch/arm/mach-ux500/devices-common.h
@@ -12,7 +12,7 @@
 #include <linux/dma-mapping.h>
 #include <linux/sys_soc.h>
 #include <linux/amba/bus.h>
-#include <plat/i2c.h>
+#include <linux/platform_data/i2c-nomadik.h>
 #include <mach/crypto-ux500.h>
 
 struct spi_master_cntlr;
@@ -56,27 +56,15 @@ dbx500_add_uart(struct device *parent, const char *name, resource_size_t base,
 
 struct nmk_i2c_controller;
 
-static inline struct platform_device *
+static inline struct amba_device *
 dbx500_add_i2c(struct device *parent, int id, resource_size_t base, int irq,
                struct nmk_i2c_controller *data)
 {
-        struct resource res[] = {
-                DEFINE_RES_MEM(base, SZ_4K),
-                DEFINE_RES_IRQ(irq),
-        };
+        /* Conjure a name similar to what the platform device used to have */
+        char name[16];
 
-        struct platform_device_info pdevinfo = {
-                .parent = parent,
-                .name = "nmk-i2c",
-                .id = id,
-                .res = res,
-                .num_res = ARRAY_SIZE(res),
-                .data = data,
-                .size_data = sizeof(*data),
-                .dma_mask = DMA_BIT_MASK(32),
-        };
-
-        return platform_device_register_full(&pdevinfo);
+        snprintf(name, sizeof(name), "nmk-i2c.%d", id);
+        return amba_apb_device_add(parent, name, base, SZ_4K, irq, 0, data, 0);
 }
 
 static inline struct amba_device *
diff --git a/arch/arm/mach-ux500/include/mach/setup.h b/arch/arm/mach-ux500/include/mach/setup.h
index 8b7ed82a2866..7914e5eaa9c7 100644
--- a/arch/arm/mach-ux500/include/mach/setup.h
+++ b/arch/arm/mach-ux500/include/mach/setup.h
@@ -13,11 +13,12 @@
 
 #include <asm/mach/time.h>
 #include <linux/init.h>
+#include <linux/mfd/abx500/ab8500.h>
 
 void __init ux500_map_io(void);
 extern void __init u8500_map_io(void);
 
-extern struct device * __init u8500_init_devices(void);
+extern struct device * __init u8500_init_devices(struct ab8500_platform_data *ab8500);
 
 extern void __init ux500_init_irq(void);
 extern void __init ux500_init_late(void);
diff --git a/arch/arm/mach-vt8500/Makefile b/arch/arm/mach-vt8500/Makefile
index 54e69973f39b..7ce51767c99c 100644
--- a/arch/arm/mach-vt8500/Makefile
+++ b/arch/arm/mach-vt8500/Makefile
@@ -5,5 +5,3 @@ obj-$(CONFIG_VTWM_VERSION_WM8505) += devices-wm8505.o
 
 obj-$(CONFIG_MACH_BV07) += bv07.o
 obj-$(CONFIG_MACH_WM8505_7IN_NETBOOK) += wm8505_7in.o
-
-obj-$(CONFIG_HAVE_PWM) += pwm.o
diff --git a/arch/arm/mach-vt8500/pwm.c b/arch/arm/mach-vt8500/pwm.c
deleted file mode 100644
index 8ad825e93592..000000000000
--- a/arch/arm/mach-vt8500/pwm.c
+++ /dev/null
@@ -1,265 +0,0 @@
-/*
- * arch/arm/mach-vt8500/pwm.c
- *
- *  Copyright (C) 2010 Alexey Charkov <alchark@gmail.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.
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/platform_device.h>
-#include <linux/slab.h>
-#include <linux/err.h>
-#include <linux/io.h>
-#include <linux/pwm.h>
-#include <linux/delay.h>
-
-#include <asm/div64.h>
-
-#define VT8500_NR_PWMS 4
-
-static DEFINE_MUTEX(pwm_lock);
-static LIST_HEAD(pwm_list);
-
-struct pwm_device {
-        struct list_head        node;
-        struct platform_device  *pdev;
-
-        const char      *label;
-
-        void __iomem    *regbase;
-
-        unsigned int    use_count;
-        unsigned int    pwm_id;
-};
-
-#define msecs_to_loops(t) (loops_per_jiffy / 1000 * HZ * t)
-static inline void pwm_busy_wait(void __iomem *reg, u8 bitmask)
-{
-        int loops = msecs_to_loops(10);
-        while ((readb(reg) & bitmask) && --loops)
-                cpu_relax();
-
-        if (unlikely(!loops))
-                pr_warning("Waiting for status bits 0x%x to clear timed out\n",
-                           bitmask);
-}
-
-int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns)
-{
-        unsigned long long c;
-        unsigned long period_cycles, prescale, pv, dc;
-
-        if (pwm == NULL || period_ns == 0 || duty_ns > period_ns)
-                return -EINVAL;
-
-        c = 25000000/2; /* wild guess --- need to implement clocks */
-        c = c * period_ns;
-        do_div(c, 1000000000);
-        period_cycles = c;
-
-        if (period_cycles < 1)
-                period_cycles = 1;
-        prescale = (period_cycles - 1) / 4096;
-        pv = period_cycles / (prescale + 1) - 1;
-        if (pv > 4095)
-                pv = 4095;
-
-        if (prescale > 1023)
-                return -EINVAL;
-
-        c = (unsigned long long)pv * duty_ns;
-        do_div(c, period_ns);
-        dc = c;
-
-        pwm_busy_wait(pwm->regbase + 0x40 + pwm->pwm_id, (1 << 1));
-        writel(prescale, pwm->regbase + 0x4 + (pwm->pwm_id << 4));
-
-        pwm_busy_wait(pwm->regbase + 0x40 + pwm->pwm_id, (1 << 2));
-        writel(pv, pwm->regbase + 0x8 + (pwm->pwm_id << 4));
-
-        pwm_busy_wait(pwm->regbase + 0x40 + pwm->pwm_id, (1 << 3));
-        writel(dc, pwm->regbase + 0xc + (pwm->pwm_id << 4));
-
-        return 0;
-}
-EXPORT_SYMBOL(pwm_config);
-
-int pwm_enable(struct pwm_device *pwm)
-{
-        pwm_busy_wait(pwm->regbase + 0x40 + pwm->pwm_id, (1 << 0));
-        writel(5, pwm->regbase + (pwm->pwm_id << 4));
-        return 0;
-}
-EXPORT_SYMBOL(pwm_enable);
-
-void pwm_disable(struct pwm_device *pwm)
-{
-        pwm_busy_wait(pwm->regbase + 0x40 + pwm->pwm_id, (1 << 0));
-        writel(0, pwm->regbase + (pwm->pwm_id << 4));
-}
-EXPORT_SYMBOL(pwm_disable);
-
-struct pwm_device *pwm_request(int pwm_id, const char *label)
-{
-        struct pwm_device *pwm;
-        int found = 0;
-
-        mutex_lock(&pwm_lock);
-
-        list_for_each_entry(pwm, &pwm_list, node) {
-                if (pwm->pwm_id == pwm_id) {
-                        found = 1;
-                        break;
-                }
-        }
-
-        if (found) {
-                if (pwm->use_count == 0) {
-                        pwm->use_count++;
-                        pwm->label = label;
-                } else {
-                        pwm = ERR_PTR(-EBUSY);
-                }
-        } else {
-                pwm = ERR_PTR(-ENOENT);
-        }
-
-        mutex_unlock(&pwm_lock);
-        return pwm;
-}
-EXPORT_SYMBOL(pwm_request);
-
-void pwm_free(struct pwm_device *pwm)
-{
-        mutex_lock(&pwm_lock);
-
-        if (pwm->use_count) {
-                pwm->use_count--;
-                pwm->label = NULL;
-        } else {
-                pr_warning("PWM device already freed\n");
-        }
-
-        mutex_unlock(&pwm_lock);
-}
-EXPORT_SYMBOL(pwm_free);
-
-static inline void __add_pwm(struct pwm_device *pwm)
-{
-        mutex_lock(&pwm_lock);
-        list_add_tail(&pwm->node, &pwm_list);
-        mutex_unlock(&pwm_lock);
-}
-
-static int __devinit pwm_probe(struct platform_device *pdev)
-{
-        struct pwm_device *pwms;
-        struct resource *r;
-        int ret = 0;
-        int i;
-
-        pwms = kzalloc(sizeof(struct pwm_device) * VT8500_NR_PWMS, GFP_KERNEL);
-        if (pwms == NULL) {
-                dev_err(&pdev->dev, "failed to allocate memory\n");
-                return -ENOMEM;
-        }
-
-        for (i = 0; i < VT8500_NR_PWMS; i++) {
-                pwms[i].use_count = 0;
-                pwms[i].pwm_id = i;
-                pwms[i].pdev = pdev;
-        }
-
-        r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-        if (r == NULL) {
-                dev_err(&pdev->dev, "no memory resource defined\n");
-                ret = -ENODEV;
-                goto err_free;
-        }
-
-        r = request_mem_region(r->start, resource_size(r), pdev->name);
-        if (r == NULL) {
-                dev_err(&pdev->dev, "failed to request memory resource\n");
-                ret = -EBUSY;
-                goto err_free;
-        }
-
-        pwms[0].regbase = ioremap(r->start, resource_size(r));
-        if (pwms[0].regbase == NULL) {
-                dev_err(&pdev->dev, "failed to ioremap() registers\n");
-                ret = -ENODEV;
-                goto err_free_mem;
-        }
-
-        for (i = 1; i < VT8500_NR_PWMS; i++)
-                pwms[i].regbase = pwms[0].regbase;
-
-        for (i = 0; i < VT8500_NR_PWMS; i++)
-                __add_pwm(&pwms[i]);
-
-        platform_set_drvdata(pdev, pwms);
-        return 0;
-
-err_free_mem:
-        release_mem_region(r->start, resource_size(r));
-err_free:
-        kfree(pwms);
-        return ret;
-}
-
-static int __devexit pwm_remove(struct platform_device *pdev)
-{
-        struct pwm_device *pwms;
-        struct resource *r;
-        int i;
-
-        pwms = platform_get_drvdata(pdev);
-        if (pwms == NULL)
-                return -ENODEV;
-
-        mutex_lock(&pwm_lock);
-
-        for (i = 0; i < VT8500_NR_PWMS; i++)
-                list_del(&pwms[i].node);
-        mutex_unlock(&pwm_lock);
-
-        iounmap(pwms[0].regbase);
-
-        r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-        release_mem_region(r->start, resource_size(r));
-
-        kfree(pwms);
-        return 0;
-}
-
-static struct platform_driver pwm_driver = {
-        .driver         = {
-                .name   = "vt8500-pwm",
-                .owner  = THIS_MODULE,
-        },
-        .probe          = pwm_probe,
-        .remove         = __devexit_p(pwm_remove),
-};
-
-static int __init pwm_init(void)
-{
-        return platform_driver_register(&pwm_driver);
-}
-arch_initcall(pwm_init);
-
-static void __exit pwm_exit(void)
-{
-        platform_driver_unregister(&pwm_driver);
-}
-module_exit(pwm_exit);
-
-MODULE_LICENSE("GPL");
diff --git a/arch/arm/mm/context.c b/arch/arm/mm/context.c
index 806cc4f63516..119bc52ab93e 100644
--- a/arch/arm/mm/context.c
+++ b/arch/arm/mm/context.c
@@ -14,6 +14,7 @@
 #include <linux/percpu.h>
 
 #include <asm/mmu_context.h>
+#include <asm/thread_notify.h>
 #include <asm/tlbflush.h>
 
 static DEFINE_RAW_SPINLOCK(cpu_asid_lock);
@@ -48,6 +49,40 @@ void cpu_set_reserved_ttbr0(void)
 }
 #endif
 
+#ifdef CONFIG_PID_IN_CONTEXTIDR
+static int contextidr_notifier(struct notifier_block *unused, unsigned long cmd,
+                               void *t)
+{
+        u32 contextidr;
+        pid_t pid;
+        struct thread_info *thread = t;
+
+        if (cmd != THREAD_NOTIFY_SWITCH)
+                return NOTIFY_DONE;
+
+        pid = task_pid_nr(thread->task) << ASID_BITS;
+        asm volatile(
+        "       mrc     p15, 0, %0, c13, c0, 1\n"
+        "       bfi     %1, %0, #0, %2\n"
+        "       mcr     p15, 0, %1, c13, c0, 1\n"
+        : "=r" (contextidr), "+r" (pid)
+        : "I" (ASID_BITS));
+        isb();
+
+        return NOTIFY_OK;
+}
+
+static struct notifier_block contextidr_notifier_block = {
+        .notifier_call = contextidr_notifier,
+};
+
+static int __init contextidr_notifier_init(void)
+{
+        return thread_register_notifier(&contextidr_notifier_block);
+}
+arch_initcall(contextidr_notifier_init);
+#endif
+
 /*
  * We fork()ed a process, and we need a new context for the child
  * to run in.
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 655878bcc96d..c2cdf6500f75 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -22,13 +22,14 @@
 #include <linux/memblock.h>
 #include <linux/slab.h>
 #include <linux/iommu.h>
+#include <linux/io.h>
 #include <linux/vmalloc.h>
+#include <linux/sizes.h>
 
 #include <asm/memory.h>
 #include <asm/highmem.h>
 #include <asm/cacheflush.h>
 #include <asm/tlbflush.h>
-#include <asm/sizes.h>
 #include <asm/mach/arch.h>
 #include <asm/dma-iommu.h>
 #include <asm/mach/map.h>
@@ -72,7 +73,7 @@ static dma_addr_t arm_dma_map_page(struct device *dev, struct page *page,
              unsigned long offset, size_t size, enum dma_data_direction dir,
              struct dma_attrs *attrs)
 {
-        if (!arch_is_coherent())
+        if (!arch_is_coherent() && !dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs))
                 __dma_page_cpu_to_dev(page, offset, size, dir);
         return pfn_to_dma(dev, page_to_pfn(page)) + offset;
 }
@@ -95,7 +96,7 @@ static void arm_dma_unmap_page(struct device *dev, dma_addr_t handle,
                 size_t size, enum dma_data_direction dir,
                 struct dma_attrs *attrs)
 {
-        if (!arch_is_coherent())
+        if (!arch_is_coherent() && !dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs))
                 __dma_page_dev_to_cpu(pfn_to_page(dma_to_pfn(dev, handle)),
                                       handle & ~PAGE_MASK, size, dir);
 }
@@ -124,6 +125,7 @@ struct dma_map_ops arm_dma_ops = {
         .alloc                  = arm_dma_alloc,
         .free                   = arm_dma_free,
         .mmap                   = arm_dma_mmap,
+        .get_sgtable            = arm_dma_get_sgtable,
         .map_page               = arm_dma_map_page,
         .unmap_page             = arm_dma_unmap_page,
         .map_sg                 = arm_dma_map_sg,
@@ -217,115 +219,70 @@ static void __dma_free_buffer(struct page *page, size_t size)
 }
 
 #ifdef CONFIG_MMU
+#ifdef CONFIG_HUGETLB_PAGE
+#error ARM Coherent DMA allocator does not (yet) support huge TLB
+#endif
 
-#define CONSISTENT_OFFSET(x)    (((unsigned long)(x) - consistent_base) >> PAGE_SHIFT)
-#define CONSISTENT_PTE_INDEX(x) (((unsigned long)(x) - consistent_base) >> PMD_SHIFT)
-
-/*
- * These are the page tables (2MB each) covering uncached, DMA consistent allocations
- */
-static pte_t **consistent_pte;
-
-#define DEFAULT_CONSISTENT_DMA_SIZE SZ_2M
+static void *__alloc_from_contiguous(struct device *dev, size_t size,
+                                     pgprot_t prot, struct page **ret_page);
 
-static unsigned long consistent_base = CONSISTENT_END - DEFAULT_CONSISTENT_DMA_SIZE;
+static void *__alloc_remap_buffer(struct device *dev, size_t size, gfp_t gfp,
+                                 pgprot_t prot, struct page **ret_page,
+                                 const void *caller);
 
-void __init init_consistent_dma_size(unsigned long size)
+static void *
+__dma_alloc_remap(struct page *page, size_t size, gfp_t gfp, pgprot_t prot,
+        const void *caller)
 {
-        unsigned long base = CONSISTENT_END - ALIGN(size, SZ_2M);
+        struct vm_struct *area;
+        unsigned long addr;
 
-        BUG_ON(consistent_pte); /* Check we're called before DMA region init */
-        BUG_ON(base < VMALLOC_END);
+        /*
+         * DMA allocation can be mapped to user space, so lets
+         * set VM_USERMAP flags too.
+         */
+        area = get_vm_area_caller(size, VM_ARM_DMA_CONSISTENT | VM_USERMAP,
+                                  caller);
+        if (!area)
+                return NULL;
+        addr = (unsigned long)area->addr;
+        area->phys_addr = __pfn_to_phys(page_to_pfn(page));
 
-        /* Grow region to accommodate specified size  */
-        if (base < consistent_base)
-                consistent_base = base;
+        if (ioremap_page_range(addr, addr + size, area->phys_addr, prot)) {
+                vunmap((void *)addr);
+                return NULL;
+        }
+        return (void *)addr;
 }
 
-#include "vmregion.h"
-
-static struct arm_vmregion_head consistent_head = {
-        .vm_lock        = __SPIN_LOCK_UNLOCKED(&consistent_head.vm_lock),
-        .vm_list        = LIST_HEAD_INIT(consistent_head.vm_list),
-        .vm_end         = CONSISTENT_END,
-};
-
-#ifdef CONFIG_HUGETLB_PAGE
-#error ARM Coherent DMA allocator does not (yet) support huge TLB
-#endif
-
-/*
- * Initialise the consistent memory allocation.
- */
-static int __init consistent_init(void)
+static void __dma_free_remap(void *cpu_addr, size_t size)
 {
-        int ret = 0;
-        pgd_t *pgd;
-        pud_t *pud;
-        pmd_t *pmd;
-        pte_t *pte;
-        int i = 0;
-        unsigned long base = consistent_base;
-        unsigned long num_ptes = (CONSISTENT_END - base) >> PMD_SHIFT;
-
-        if (IS_ENABLED(CONFIG_CMA) && !IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU))
-                return 0;
-
-        consistent_pte = kmalloc(num_ptes * sizeof(pte_t), GFP_KERNEL);
-        if (!consistent_pte) {
-                pr_err("%s: no memory\n", __func__);
-                return -ENOMEM;
+        unsigned int flags = VM_ARM_DMA_CONSISTENT | VM_USERMAP;
+        struct vm_struct *area = find_vm_area(cpu_addr);
+        if (!area || (area->flags & flags) != flags) {
+                WARN(1, "trying to free invalid coherent area: %p\n", cpu_addr);
+                return;
         }
-
-        pr_debug("DMA memory: 0x%08lx - 0x%08lx:\n", base, CONSISTENT_END);
-        consistent_head.vm_start = base;
-
-        do {
-                pgd = pgd_offset(&init_mm, base);
-
-                pud = pud_alloc(&init_mm, pgd, base);
-                if (!pud) {
-                        pr_err("%s: no pud tables\n", __func__);
-                        ret = -ENOMEM;
-                        break;
-                }
-
-                pmd = pmd_alloc(&init_mm, pud, base);
-                if (!pmd) {
-                        pr_err("%s: no pmd tables\n", __func__);
-                        ret = -ENOMEM;
-                        break;
-                }
-                WARN_ON(!pmd_none(*pmd));
-
-                pte = pte_alloc_kernel(pmd, base);
-                if (!pte) {
-                        pr_err("%s: no pte tables\n", __func__);
-                        ret = -ENOMEM;
-                        break;
-                }
-
-                consistent_pte[i++] = pte;
-                base += PMD_SIZE;
-        } while (base < CONSISTENT_END);
-
-        return ret;
+        unmap_kernel_range((unsigned long)cpu_addr, size);
+        vunmap(cpu_addr);
 }
-core_initcall(consistent_init);
 
-static void *__alloc_from_contiguous(struct device *dev, size_t size,
-                                     pgprot_t prot, struct page **ret_page);
-
-static struct arm_vmregion_head coherent_head = {
-        .vm_lock        = __SPIN_LOCK_UNLOCKED(&coherent_head.vm_lock),
-        .vm_list        = LIST_HEAD_INIT(coherent_head.vm_list),
+struct dma_pool {
+        size_t size;
+        spinlock_t lock;
+        unsigned long *bitmap;
+        unsigned long nr_pages;
+        void *vaddr;
+        struct page *page;
 };
 
-static size_t coherent_pool_size = DEFAULT_CONSISTENT_DMA_SIZE / 8;
+static struct dma_pool atomic_pool = {
+        .size = SZ_256K,
+};
 
 static int __init early_coherent_pool(char *p)
 {
-        coherent_pool_size = memparse(p, &p);
+        atomic_pool.size = memparse(p, &p);
         return 0;
 }
 early_param("coherent_pool", early_coherent_pool);
@@ -333,32 +290,45 @@ early_param("coherent_pool", early_coherent_pool);
 /*
  * Initialise the coherent pool for atomic allocations.
  */
-static int __init coherent_init(void)
+static int __init atomic_pool_init(void)
 {
+        struct dma_pool *pool = &atomic_pool;
         pgprot_t prot = pgprot_dmacoherent(pgprot_kernel);
-        size_t size = coherent_pool_size;
+        unsigned long nr_pages = pool->size >> PAGE_SHIFT;
+        unsigned long *bitmap;
         struct page *page;
         void *ptr;
+        int bitmap_size = BITS_TO_LONGS(nr_pages) * sizeof(long);
 
-        if (!IS_ENABLED(CONFIG_CMA))
-                return 0;
+        bitmap = kzalloc(bitmap_size, GFP_KERNEL);
+        if (!bitmap)
+                goto no_bitmap;
 
-        ptr = __alloc_from_contiguous(NULL, size, prot, &page);
+        if (IS_ENABLED(CONFIG_CMA))
+                ptr = __alloc_from_contiguous(NULL, pool->size, prot, &page);
+        else
+                ptr = __alloc_remap_buffer(NULL, pool->size, GFP_KERNEL, prot,
+                                           &page, NULL);
         if (ptr) {
-                coherent_head.vm_start = (unsigned long) ptr;
-                coherent_head.vm_end = (unsigned long) ptr + size;
-                printk(KERN_INFO "DMA: preallocated %u KiB pool for atomic coherent allocations\n",
-                       (unsigned)size / 1024);
+                spin_lock_init(&pool->lock);
+                pool->vaddr = ptr;
+                pool->page = page;
+                pool->bitmap = bitmap;
+                pool->nr_pages = nr_pages;
+                pr_info("DMA: preallocated %u KiB pool for atomic coherent allocations\n",
+                       (unsigned)pool->size / 1024);
                 return 0;
         }
-        printk(KERN_ERR "DMA: failed to allocate %u KiB pool for atomic coherent allocation\n",
-               (unsigned)size / 1024);
+        kfree(bitmap);
+no_bitmap:
+        pr_err("DMA: failed to allocate %u KiB pool for atomic coherent allocation\n",
+               (unsigned)pool->size / 1024);
         return -ENOMEM;
 }
 /*
  * CMA is activated by core_initcall, so we must be called after it.
  */
-postcore_initcall(coherent_init);
+postcore_initcall(atomic_pool_init);
 
 struct dma_contig_early_reserve {
         phys_addr_t base;
@@ -406,112 +376,6 @@ void __init dma_contiguous_remap(void)
         }
 }
 
-static void *
-__dma_alloc_remap(struct page *page, size_t size, gfp_t gfp, pgprot_t prot,
-        const void *caller)
-{
-        struct arm_vmregion *c;
-        size_t align;
-        int bit;
-
-        if (!consistent_pte) {
-                pr_err("%s: not initialised\n", __func__);
-                dump_stack();
-                return NULL;
-        }
-
-        /*
-         * Align the virtual region allocation - maximum alignment is
-         * a section size, minimum is a page size.  This helps reduce
-         * fragmentation of the DMA space, and also prevents allocations
-         * smaller than a section from crossing a section boundary.
-         */
-        bit = fls(size - 1);
-        if (bit > SECTION_SHIFT)
-                bit = SECTION_SHIFT;
-        align = 1 << bit;
-
-        /*
-         * Allocate a virtual address in the consistent mapping region.
-         */
-        c = arm_vmregion_alloc(&consistent_head, align, size,
-                            gfp & ~(__GFP_DMA | __GFP_HIGHMEM), caller);
-        if (c) {
-                pte_t *pte;
-                int idx = CONSISTENT_PTE_INDEX(c->vm_start);
-                u32 off = CONSISTENT_OFFSET(c->vm_start) & (PTRS_PER_PTE-1);
-
-                pte = consistent_pte[idx] + off;
-                c->priv = page;
-
-                do {
-                        BUG_ON(!pte_none(*pte));
-
-                        set_pte_ext(pte, mk_pte(page, prot), 0);
-                        page++;
-                        pte++;
-                        off++;
-                        if (off >= PTRS_PER_PTE) {
-                                off = 0;
-                                pte = consistent_pte[++idx];
-                        }
-                } while (size -= PAGE_SIZE);
-
-                dsb();
-
-                return (void *)c->vm_start;
-        }
-        return NULL;
-}
-
-static void __dma_free_remap(void *cpu_addr, size_t size)
-{
-        struct arm_vmregion *c;
-        unsigned long addr;
-        pte_t *ptep;
-        int idx;
-        u32 off;
-
-        c = arm_vmregion_find_remove(&consistent_head, (unsigned long)cpu_addr);
-        if (!c) {
-                pr_err("%s: trying to free invalid coherent area: %p\n",
-                       __func__, cpu_addr);
-                dump_stack();
-                return;
-        }
-
-        if ((c->vm_end - c->vm_start) != size) {
-                pr_err("%s: freeing wrong coherent size (%ld != %d)\n",
-                       __func__, c->vm_end - c->vm_start, size);
-                dump_stack();
-                size = c->vm_end - c->vm_start;
-        }
-
-        idx = CONSISTENT_PTE_INDEX(c->vm_start);
-        off = CONSISTENT_OFFSET(c->vm_start) & (PTRS_PER_PTE-1);
-        ptep = consistent_pte[idx] + off;
-        addr = c->vm_start;
-        do {
-                pte_t pte = ptep_get_and_clear(&init_mm, addr, ptep);
-
-                ptep++;
-                addr += PAGE_SIZE;
-                off++;
-                if (off >= PTRS_PER_PTE) {
-                        off = 0;
-                        ptep = consistent_pte[++idx];
-                }
-
-                if (pte_none(pte) || !pte_present(pte))
-                        pr_crit("%s: bad page in kernel page table\n",
-                                __func__);
-        } while (size -= PAGE_SIZE);
-
-        flush_tlb_kernel_range(c->vm_start, c->vm_end);
-
-        arm_vmregion_free(&consistent_head, c);
-}
-
 static int __dma_update_pte(pte_t *pte, pgtable_t token, unsigned long addr,
                             void *data)
 {
@@ -552,16 +416,17 @@ static void *__alloc_remap_buffer(struct device *dev, size_t size, gfp_t gfp,
         return ptr;
 }
 
-static void *__alloc_from_pool(struct device *dev, size_t size,
-                               struct page **ret_page, const void *caller)
+static void *__alloc_from_pool(size_t size, struct page **ret_page)
 {
-        struct arm_vmregion *c;
+        struct dma_pool *pool = &atomic_pool;
+        unsigned int count = PAGE_ALIGN(size) >> PAGE_SHIFT;
+        unsigned int pageno;
+        unsigned long flags;
+        void *ptr = NULL;
         size_t align;
 
-        if (!coherent_head.vm_start) {
-                printk(KERN_ERR "%s: coherent pool not initialised!\n",
-                       __func__);
-                dump_stack();
+        if (!pool->vaddr) {
+                WARN(1, "coherent pool not initialised!\n");
                 return NULL;
         }
 
@@ -571,35 +436,41 @@ static void *__alloc_from_pool(struct device *dev, size_t size,
          * size. This helps reduce fragmentation of the DMA space.
          */
         align = PAGE_SIZE << get_order(size);
-        c = arm_vmregion_alloc(&coherent_head, align, size, 0, caller);
-        if (c) {
-                void *ptr = (void *)c->vm_start;
-                struct page *page = virt_to_page(ptr);
-                *ret_page = page;
-                return ptr;
+
+        spin_lock_irqsave(&pool->lock, flags);
+        pageno = bitmap_find_next_zero_area(pool->bitmap, pool->nr_pages,
+                                            0, count, (1 << align) - 1);
+        if (pageno < pool->nr_pages) {
+                bitmap_set(pool->bitmap, pageno, count);
+                ptr = pool->vaddr + PAGE_SIZE * pageno;
+                *ret_page = pool->page + pageno;
         }
-        return NULL;
+        spin_unlock_irqrestore(&pool->lock, flags);
+
+        return ptr;
 }
 
-static int __free_from_pool(void *cpu_addr, size_t size)
+static int __free_from_pool(void *start, size_t size)
 {
-        unsigned long start = (unsigned long)cpu_addr;
-        unsigned long end = start + size;
-        struct arm_vmregion *c;
+        struct dma_pool *pool = &atomic_pool;
+        unsigned long pageno, count;
+        unsigned long flags;
 
-        if (start < coherent_head.vm_start || end > coherent_head.vm_end)
+        if (start < pool->vaddr || start > pool->vaddr + pool->size)
                 return 0;
 
-        c = arm_vmregion_find_remove(&coherent_head, (unsigned long)start);
-
-        if ((c->vm_end - c->vm_start) != size) {
-                printk(KERN_ERR "%s: freeing wrong coherent size (%ld != %d)\n",
-                       __func__, c->vm_end - c->vm_start, size);
-                dump_stack();
-                size = c->vm_end - c->vm_start;
+        if (start + size > pool->vaddr + pool->size) {
+                WARN(1, "freeing wrong coherent size from pool\n");
+                return 0;
         }
 
-        arm_vmregion_free(&coherent_head, c);
+        pageno = (start - pool->vaddr) >> PAGE_SHIFT;
+        count = size >> PAGE_SHIFT;
+
+        spin_lock_irqsave(&pool->lock, flags);
+        bitmap_clear(pool->bitmap, pageno, count);
+        spin_unlock_irqrestore(&pool->lock, flags);
+
         return 1;
 }
 
@@ -644,7 +515,7 @@ static inline pgprot_t __get_dma_pgprot(struct dma_attrs *attrs, pgprot_t prot)
 
 #define __get_dma_pgprot(attrs, prot)   __pgprot(0)
 #define __alloc_remap_buffer(dev, size, gfp, prot, ret, c)      NULL
-#define __alloc_from_pool(dev, size, ret_page, c)               NULL
+#define __alloc_from_pool(size, ret_page)                       NULL
 #define __alloc_from_contiguous(dev, size, prot, ret)           NULL
 #define __free_from_pool(cpu_addr, size)                        0
 #define __free_from_contiguous(dev, page, size)                 do { } while (0)
@@ -702,10 +573,10 @@ static void *__dma_alloc(struct device *dev, size_t size, dma_addr_t *handle,
 
         if (arch_is_coherent() || nommu())
                 addr = __alloc_simple_buffer(dev, size, gfp, &page);
+        else if (gfp & GFP_ATOMIC)
+                addr = __alloc_from_pool(size, &page);
         else if (!IS_ENABLED(CONFIG_CMA))
                 addr = __alloc_remap_buffer(dev, size, gfp, prot, &page, caller);
-        else if (gfp & GFP_ATOMIC)
-                addr = __alloc_from_pool(dev, size, &page, caller);
         else
                 addr = __alloc_from_contiguous(dev, size, prot, &page);
 
@@ -741,16 +612,22 @@ int arm_dma_mmap(struct device *dev, struct vm_area_struct *vma,
 {
         int ret = -ENXIO;
 #ifdef CONFIG_MMU
+        unsigned long nr_vma_pages = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
+        unsigned long nr_pages = PAGE_ALIGN(size) >> PAGE_SHIFT;
         unsigned long pfn = dma_to_pfn(dev, dma_addr);
+        unsigned long off = vma->vm_pgoff;
+
         vma->vm_page_prot = __get_dma_pgprot(attrs, vma->vm_page_prot);
 
         if (dma_mmap_from_coherent(dev, vma, cpu_addr, size, &ret))
                 return ret;
 
-        ret = remap_pfn_range(vma, vma->vm_start,
-                              pfn + vma->vm_pgoff,
-                              vma->vm_end - vma->vm_start,
-                              vma->vm_page_prot);
+        if (off < nr_pages && nr_vma_pages <= (nr_pages - off)) {
+                ret = remap_pfn_range(vma, vma->vm_start,
+                                      pfn + off,
+                                      vma->vm_end - vma->vm_start,
+                                      vma->vm_page_prot);
+        }
 #endif  /* CONFIG_MMU */
 
         return ret;
@@ -785,6 +662,21 @@ void arm_dma_free(struct device *dev, size_t size, void *cpu_addr,
         }
 }
 
+int arm_dma_get_sgtable(struct device *dev, struct sg_table *sgt,
+                 void *cpu_addr, dma_addr_t handle, size_t size,
+                 struct dma_attrs *attrs)
+{
+        struct page *page = pfn_to_page(dma_to_pfn(dev, handle));
+        int ret;
+
+        ret = sg_alloc_table(sgt, 1, GFP_KERNEL);
+        if (unlikely(ret))
+                return ret;
+
+        sg_set_page(sgt->sgl, page, PAGE_ALIGN(size), 0);
+        return 0;
+}
+
 static void dma_cache_maint_page(struct page *page, unsigned long offset,
         size_t size, enum dma_data_direction dir,
         void (*op)(const void *, size_t, int))
@@ -998,9 +890,6 @@ static int arm_dma_set_mask(struct device *dev, u64 dma_mask)
 
 static int __init dma_debug_do_init(void)
 {
-#ifdef CONFIG_MMU
-        arm_vmregion_create_proc("dma-mappings", &consistent_head);
-#endif
         dma_debug_init(PREALLOC_DMA_DEBUG_ENTRIES);
         return 0;
 }
@@ -1088,7 +977,7 @@ static struct page **__iommu_alloc_buffer(struct device *dev, size_t size, gfp_t
 
         return pages;
 error:
-        while (--i)
+        while (i--)
                 if (pages[i])
                         __free_pages(pages[i], 0);
         if (array_size <= PAGE_SIZE)
@@ -1117,61 +1006,32 @@ static int __iommu_free_buffer(struct device *dev, struct page **pages, size_t s
  * Create a CPU mapping for a specified pages
  */
 static void *
-__iommu_alloc_remap(struct page **pages, size_t size, gfp_t gfp, pgprot_t prot)
+__iommu_alloc_remap(struct page **pages, size_t size, gfp_t gfp, pgprot_t prot,
+                    const void *caller)
 {
-        struct arm_vmregion *c;
-        size_t align;
-        size_t count = size >> PAGE_SHIFT;
-        int bit;
+        unsigned int i, nr_pages = PAGE_ALIGN(size) >> PAGE_SHIFT;
+        struct vm_struct *area;
+        unsigned long p;
 
-        if (!consistent_pte[0]) {
-                pr_err("%s: not initialised\n", __func__);
-                dump_stack();
+        area = get_vm_area_caller(size, VM_ARM_DMA_CONSISTENT | VM_USERMAP,
+                                  caller);
+        if (!area)
                 return NULL;
-        }
-
-        /*
-         * Align the virtual region allocation - maximum alignment is
-         * a section size, minimum is a page size.  This helps reduce
-         * fragmentation of the DMA space, and also prevents allocations
-         * smaller than a section from crossing a section boundary.
-         */
-        bit = fls(size - 1);
-        if (bit > SECTION_SHIFT)
-                bit = SECTION_SHIFT;
-        align = 1 << bit;
-
-        /*
-         * Allocate a virtual address in the consistent mapping region.
-         */
-        c = arm_vmregion_alloc(&consistent_head, align, size,
-                            gfp & ~(__GFP_DMA | __GFP_HIGHMEM), NULL);
-        if (c) {
-                pte_t *pte;
-                int idx = CONSISTENT_PTE_INDEX(c->vm_start);
-                int i = 0;
-                u32 off = CONSISTENT_OFFSET(c->vm_start) & (PTRS_PER_PTE-1);
-
-                pte = consistent_pte[idx] + off;
-                c->priv = pages;
-
-                do {
-                        BUG_ON(!pte_none(*pte));
-
-                        set_pte_ext(pte, mk_pte(pages[i], prot), 0);
-                        pte++;
-                        off++;
-                        i++;
-                        if (off >= PTRS_PER_PTE) {
-                                off = 0;
-                                pte = consistent_pte[++idx];
-                        }
-                } while (i < count);
 
-                dsb();
+        area->pages = pages;
+        area->nr_pages = nr_pages;
+        p = (unsigned long)area->addr;
 
-                return (void *)c->vm_start;
+        for (i = 0; i < nr_pages; i++) {
+                phys_addr_t phys = __pfn_to_phys(page_to_pfn(pages[i]));
+                if (ioremap_page_range(p, p + PAGE_SIZE, phys, prot))
+                        goto err;
+                p += PAGE_SIZE;
         }
+        return area->addr;
+err:
+        unmap_kernel_range((unsigned long)area->addr, size);
+        vunmap(area->addr);
         return NULL;
 }
 
@@ -1230,6 +1090,19 @@ static int __iommu_remove_mapping(struct device *dev, dma_addr_t iova, size_t si
         return 0;
 }
 
+static struct page **__iommu_get_pages(void *cpu_addr, struct dma_attrs *attrs)
+{
+        struct vm_struct *area;
+
+        if (dma_get_attr(DMA_ATTR_NO_KERNEL_MAPPING, attrs))
+                return cpu_addr;
+
+        area = find_vm_area(cpu_addr);
+        if (area && (area->flags & VM_ARM_DMA_CONSISTENT))
+                return area->pages;
+        return NULL;
+}
+
 static void *arm_iommu_alloc_attrs(struct device *dev, size_t size,
             dma_addr_t *handle, gfp_t gfp, struct dma_attrs *attrs)
 {
@@ -1248,7 +1121,11 @@ static void *arm_iommu_alloc_attrs(struct device *dev, size_t size,
         if (*handle == DMA_ERROR_CODE)
                 goto err_buffer;
 
-        addr = __iommu_alloc_remap(pages, size, gfp, prot);
+        if (dma_get_attr(DMA_ATTR_NO_KERNEL_MAPPING, attrs))
+                return pages;
+
+        addr = __iommu_alloc_remap(pages, size, gfp, prot,
+                                   __builtin_return_address(0));
         if (!addr)
                 goto err_mapping;
 
@@ -1265,31 +1142,25 @@ static int arm_iommu_mmap_attrs(struct device *dev, struct vm_area_struct *vma,
                     void *cpu_addr, dma_addr_t dma_addr, size_t size,
                     struct dma_attrs *attrs)
 {
-        struct arm_vmregion *c;
+        unsigned long uaddr = vma->vm_start;
+        unsigned long usize = vma->vm_end - vma->vm_start;
+        struct page **pages = __iommu_get_pages(cpu_addr, attrs);
 
         vma->vm_page_prot = __get_dma_pgprot(attrs, vma->vm_page_prot);
-        c = arm_vmregion_find(&consistent_head, (unsigned long)cpu_addr);
-
-        if (c) {
-                struct page **pages = c->priv;
-
-                unsigned long uaddr = vma->vm_start;
-                unsigned long usize = vma->vm_end - vma->vm_start;
-                int i = 0;
 
-                do {
-                        int ret;
+        if (!pages)
+                return -ENXIO;
 
-                        ret = vm_insert_page(vma, uaddr, pages[i++]);
-                        if (ret) {
-                                pr_err("Remapping memory, error: %d\n", ret);
-                                return ret;
-                        }
+        do {
+                int ret = vm_insert_page(vma, uaddr, *pages++);
+                if (ret) {
+                        pr_err("Remapping memory failed: %d\n", ret);
+                        return ret;
+                }
+                uaddr += PAGE_SIZE;
+                usize -= PAGE_SIZE;
+        } while (usize > 0);
 
-                        uaddr += PAGE_SIZE;
-                        usize -= PAGE_SIZE;
-                } while (usize > 0);
-        }
         return 0;
 }
 
@@ -1300,16 +1171,35 @@ static int arm_iommu_mmap_attrs(struct device *dev, struct vm_area_struct *vma,
 void arm_iommu_free_attrs(struct device *dev, size_t size, void *cpu_addr,
                           dma_addr_t handle, struct dma_attrs *attrs)
 {
-        struct arm_vmregion *c;
+        struct page **pages = __iommu_get_pages(cpu_addr, attrs);
         size = PAGE_ALIGN(size);
 
-        c = arm_vmregion_find(&consistent_head, (unsigned long)cpu_addr);
-        if (c) {
-                struct page **pages = c->priv;
-                __dma_free_remap(cpu_addr, size);
-                __iommu_remove_mapping(dev, handle, size);
-                __iommu_free_buffer(dev, pages, size);
+        if (!pages) {
+                WARN(1, "trying to free invalid coherent area: %p\n", cpu_addr);
+                return;
         }
+
+        if (!dma_get_attr(DMA_ATTR_NO_KERNEL_MAPPING, attrs)) {
+                unmap_kernel_range((unsigned long)cpu_addr, size);
+                vunmap(cpu_addr);
+        }
+
+        __iommu_remove_mapping(dev, handle, size);
+        __iommu_free_buffer(dev, pages, size);
+}
+
+static int arm_iommu_get_sgtable(struct device *dev, struct sg_table *sgt,
+                                 void *cpu_addr, dma_addr_t dma_addr,
+                                 size_t size, struct dma_attrs *attrs)
+{
+        unsigned int count = PAGE_ALIGN(size) >> PAGE_SHIFT;
+        struct page **pages = __iommu_get_pages(cpu_addr, attrs);
+
+        if (!pages)
+                return -ENXIO;
+
+        return sg_alloc_table_from_pages(sgt, pages, count, 0, size,
+                                         GFP_KERNEL);
 }
 
 /*
@@ -1317,7 +1207,7 @@ void arm_iommu_free_attrs(struct device *dev, size_t size, void *cpu_addr,
  */
 static int __map_sg_chunk(struct device *dev, struct scatterlist *sg,
                           size_t size, dma_addr_t *handle,
-                          enum dma_data_direction dir)
+                          enum dma_data_direction dir, struct dma_attrs *attrs)
 {
         struct dma_iommu_mapping *mapping = dev->archdata.mapping;
         dma_addr_t iova, iova_base;
@@ -1336,7 +1226,8 @@ static int __map_sg_chunk(struct device *dev, struct scatterlist *sg,
                 phys_addr_t phys = page_to_phys(sg_page(s));
                 unsigned int len = PAGE_ALIGN(s->offset + s->length);
 
-                if (!arch_is_coherent())
+                if (!arch_is_coherent() &&
+                    !dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs))
                         __dma_page_cpu_to_dev(sg_page(s), s->offset, s->length, dir);
 
                 ret = iommu_map(mapping->domain, iova, phys, len, 0);
@@ -1383,7 +1274,7 @@ int arm_iommu_map_sg(struct device *dev, struct scatterlist *sg, int nents,
 
                 if (s->offset || (size & ~PAGE_MASK) || size + s->length > max) {
                         if (__map_sg_chunk(dev, start, size, &dma->dma_address,
-                            dir) < 0)
+                            dir, attrs) < 0)
                                 goto bad_mapping;
 
                         dma->dma_address += offset;
@@ -1396,7 +1287,7 @@ int arm_iommu_map_sg(struct device *dev, struct scatterlist *sg, int nents,
                 }
                 size += s->length;
         }
-        if (__map_sg_chunk(dev, start, size, &dma->dma_address, dir) < 0)
+        if (__map_sg_chunk(dev, start, size, &dma->dma_address, dir, attrs) < 0)
                 goto bad_mapping;
 
         dma->dma_address += offset;
@@ -1430,7 +1321,8 @@ void arm_iommu_unmap_sg(struct device *dev, struct scatterlist *sg, int nents,
                 if (sg_dma_len(s))
                         __iommu_remove_mapping(dev, sg_dma_address(s),
                                                sg_dma_len(s));
-                if (!arch_is_coherent())
+                if (!arch_is_coherent() &&
+                    !dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs))
                         __dma_page_dev_to_cpu(sg_page(s), s->offset,
                                               s->length, dir);
         }
@@ -1492,7 +1384,7 @@ static dma_addr_t arm_iommu_map_page(struct device *dev, struct page *page,
         dma_addr_t dma_addr;
         int ret, len = PAGE_ALIGN(size + offset);
 
-        if (!arch_is_coherent())
+        if (!arch_is_coherent() && !dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs))
                 __dma_page_cpu_to_dev(page, offset, size, dir);
 
         dma_addr = __alloc_iova(mapping, len);
@@ -1531,7 +1423,7 @@ static void arm_iommu_unmap_page(struct device *dev, dma_addr_t handle,
         if (!iova)
                 return;
 
-        if (!arch_is_coherent())
+        if (!arch_is_coherent() && !dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs))
                 __dma_page_dev_to_cpu(page, offset, size, dir);
 
         iommu_unmap(mapping->domain, iova, len);
@@ -1571,6 +1463,7 @@ struct dma_map_ops iommu_ops = {
         .alloc          = arm_iommu_alloc_attrs,
         .free           = arm_iommu_free_attrs,
         .mmap           = arm_iommu_mmap_attrs,
+        .get_sgtable    = arm_iommu_get_sgtable,
 
         .map_page               = arm_iommu_map_page,
         .unmap_page             = arm_iommu_unmap_page,
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index f54d59219764..9aec41fa80ae 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -21,13 +21,13 @@
 #include <linux/gfp.h>
 #include <linux/memblock.h>
 #include <linux/dma-contiguous.h>
+#include <linux/sizes.h>
 
 #include <asm/mach-types.h>
 #include <asm/memblock.h>
 #include <asm/prom.h>
 #include <asm/sections.h>
 #include <asm/setup.h>
-#include <asm/sizes.h>
 #include <asm/tlb.h>
 #include <asm/fixmap.h>
 
diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c
index 4f55f5062ab7..566750fa57d4 100644
--- a/arch/arm/mm/ioremap.c
+++ b/arch/arm/mm/ioremap.c
@@ -25,6 +25,7 @@
 #include <linux/mm.h>
 #include <linux/vmalloc.h>
 #include <linux/io.h>
+#include <linux/sizes.h>
 
 #include <asm/cp15.h>
 #include <asm/cputype.h>
@@ -32,7 +33,6 @@
 #include <asm/mmu_context.h>
 #include <asm/pgalloc.h>
 #include <asm/tlbflush.h>
-#include <asm/sizes.h>
 #include <asm/system_info.h>
 
 #include <asm/mach/map.h>
diff --git a/arch/arm/mm/mm.h b/arch/arm/mm/mm.h
index 2e8a1efdf7b8..6776160618ef 100644
--- a/arch/arm/mm/mm.h
+++ b/arch/arm/mm/mm.h
@@ -59,6 +59,9 @@ extern void __flush_dcache_page(struct address_space *mapping, struct page *page
 #define VM_ARM_MTYPE(mt)                ((mt) << 20)
 #define VM_ARM_MTYPE_MASK       (0x1f << 20)
 
+/* consistent regions used by dma_alloc_attrs() */
+#define VM_ARM_DMA_CONSISTENT   0x20000000
+
 #endif
 
 #ifdef CONFIG_ZONE_DMA
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index cf4528d51774..4c2d0451e84a 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -16,13 +16,13 @@
 #include <linux/memblock.h>
 #include <linux/fs.h>
 #include <linux/vmalloc.h>
+#include <linux/sizes.h>
 
 #include <asm/cp15.h>
 #include <asm/cputype.h>
 #include <asm/sections.h>
 #include <asm/cachetype.h>
 #include <asm/setup.h>
-#include <asm/sizes.h>
 #include <asm/smp_plat.h>
 #include <asm/tlb.h>
 #include <asm/highmem.h>
@@ -422,12 +422,6 @@ static void __init build_mem_type_table(void)
         vecs_pgprot = kern_pgprot = user_pgprot = cp->pte;
 
         /*
-         * Only use write-through for non-SMP systems
-         */
-        if (!is_smp() && cpu_arch >= CPU_ARCH_ARMv5 && cachepolicy > CPOLICY_WRITETHROUGH)
-                vecs_pgprot = cache_policies[CPOLICY_WRITETHROUGH].pte;
-
-        /*
          * Enable CPU-specific coherency if supported.
          * (Only available on XSC3 at the moment.)
          */
diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S
index 5900cd520e84..86b8b480634f 100644
--- a/arch/arm/mm/proc-v6.S
+++ b/arch/arm/mm/proc-v6.S
@@ -107,6 +107,12 @@ ENTRY(cpu_v6_switch_mm)
         mcr     p15, 0, r2, c7, c5, 6           @ flush BTAC/BTB
         mcr     p15, 0, r2, c7, c10, 4          @ drain write buffer
         mcr     p15, 0, r0, c2, c0, 0           @ set TTB 0
+#ifdef CONFIG_PID_IN_CONTEXTIDR
+        mrc     p15, 0, r2, c13, c0, 1          @ read current context ID
+        bic     r2, r2, #0xff                   @ extract the PID
+        and     r1, r1, #0xff
+        orr     r1, r1, r2                      @ insert into new context ID
+#endif
         mcr     p15, 0, r1, c13, c0, 1          @ set context ID
 #endif
         mov     pc, lr
diff --git a/arch/arm/mm/proc-v7-2level.S b/arch/arm/mm/proc-v7-2level.S
index 42ac069c8012..fd045e706390 100644
--- a/arch/arm/mm/proc-v7-2level.S
+++ b/arch/arm/mm/proc-v7-2level.S
@@ -46,6 +46,11 @@ ENTRY(cpu_v7_switch_mm)
 #ifdef CONFIG_ARM_ERRATA_430973
         mcr     p15, 0, r2, c7, c5, 6           @ flush BTAC/BTB
 #endif
+#ifdef CONFIG_PID_IN_CONTEXTIDR
+        mrc     p15, 0, r2, c13, c0, 1          @ read current context ID
+        lsr     r2, r2, #8                      @ extract the PID
+        bfi     r1, r2, #8, #24                 @ insert into new context ID
+#endif
 #ifdef CONFIG_ARM_ERRATA_754322
         dsb
 #endif
diff --git a/arch/arm/mm/tlb-v7.S b/arch/arm/mm/tlb-v7.S
index 845f461f8ec1..c2021139cb56 100644
--- a/arch/arm/mm/tlb-v7.S
+++ b/arch/arm/mm/tlb-v7.S
@@ -38,11 +38,19 @@ ENTRY(v7wbi_flush_user_tlb_range)
         dsb
         mov     r0, r0, lsr #PAGE_SHIFT         @ align address
         mov     r1, r1, lsr #PAGE_SHIFT
+#ifdef CONFIG_ARM_ERRATA_720789
+        mov     r3, #0
+#else
         asid    r3, r3                          @ mask ASID
+#endif
         orr     r0, r3, r0, lsl #PAGE_SHIFT     @ Create initial MVA
         mov     r1, r1, lsl #PAGE_SHIFT
 1:
+#ifdef CONFIG_ARM_ERRATA_720789
+        ALT_SMP(mcr     p15, 0, r0, c8, c3, 3)  @ TLB invalidate U MVA all ASID (shareable)
+#else
         ALT_SMP(mcr     p15, 0, r0, c8, c3, 1)  @ TLB invalidate U MVA (shareable)
+#endif
         ALT_UP(mcr      p15, 0, r0, c8, c7, 1)  @ TLB invalidate U MVA
 
         add     r0, r0, #PAGE_SZ
@@ -67,7 +75,11 @@ ENTRY(v7wbi_flush_kern_tlb_range)
         mov     r0, r0, lsl #PAGE_SHIFT
         mov     r1, r1, lsl #PAGE_SHIFT
 1:
+#ifdef CONFIG_ARM_ERRATA_720789
+        ALT_SMP(mcr     p15, 0, r0, c8, c3, 3)  @ TLB invalidate U MVA all ASID (shareable)
+#else
         ALT_SMP(mcr     p15, 0, r0, c8, c3, 1)  @ TLB invalidate U MVA (shareable)
+#endif
         ALT_UP(mcr      p15, 0, r0, c8, c7, 1)  @ TLB invalidate U MVA
         add     r0, r0, #PAGE_SZ
         cmp     r0, r1
diff --git a/arch/arm/oprofile/common.c b/arch/arm/oprofile/common.c
index 4e0a371630b3..99c63d4b6af8 100644
--- a/arch/arm/oprofile/common.c
+++ b/arch/arm/oprofile/common.c
@@ -23,26 +23,37 @@
 #include <asm/ptrace.h>
 
 #ifdef CONFIG_HW_PERF_EVENTS
+
+/*
+ * OProfile has a curious naming scheme for the ARM PMUs, but they are
+ * part of the user ABI so we need to map from the perf PMU name for
+ * supported PMUs.
+ */
+static struct op_perf_name {
+        char *perf_name;
+        char *op_name;
+} op_perf_name_map[] = {
+        { "xscale1",            "arm/xscale1"   },
+        { "xscale1",            "arm/xscale2"   },
+        { "v6",                 "arm/armv6"     },
+        { "v6mpcore",           "arm/mpcore"    },
+        { "ARMv7 Cortex-A8",    "arm/armv7"     },
+        { "ARMv7 Cortex-A9",    "arm/armv7-ca9" },
+};
+
 char *op_name_from_perf_id(void)
 {
-        enum arm_perf_pmu_ids id = armpmu_get_pmu_id();
-
-        switch (id) {
-        case ARM_PERF_PMU_ID_XSCALE1:
-                return "arm/xscale1";
-        case ARM_PERF_PMU_ID_XSCALE2:
-                return "arm/xscale2";
-        case ARM_PERF_PMU_ID_V6:
-                return "arm/armv6";
-        case ARM_PERF_PMU_ID_V6MP:
-                return "arm/mpcore";
-        case ARM_PERF_PMU_ID_CA8:
-                return "arm/armv7";
-        case ARM_PERF_PMU_ID_CA9:
-                return "arm/armv7-ca9";
-        default:
-                return NULL;
+        int i;
+        struct op_perf_name names;
+        const char *perf_name = perf_pmu_name();
+
+        for (i = 0; i < ARRAY_SIZE(op_perf_name_map); ++i) {
+                names = op_perf_name_map[i];
+                if (!strcmp(names.perf_name, perf_name))
+                        return names.op_name;
         }
+
+        return NULL;
 }
 #endif
 
diff --git a/arch/arm/plat-mxc/Kconfig b/arch/arm/plat-mxc/Kconfig
index c722f9ce6918..baf9064c0844 100644
--- a/arch/arm/plat-mxc/Kconfig
+++ b/arch/arm/plat-mxc/Kconfig
@@ -47,12 +47,6 @@ config MXC_TZIC
 config MXC_AVIC
         bool
 
-config MXC_PWM
-        tristate "Enable PWM driver"
-        select HAVE_PWM
-        help
-          Enable support for the i.MX PWM controller(s).
-
 config MXC_DEBUG_BOARD
         bool "Enable MXC debug board(for 3-stack)"
         help
diff --git a/arch/arm/plat-mxc/Makefile b/arch/arm/plat-mxc/Makefile
index 63b064b5c1d5..6ac720031150 100644
--- a/arch/arm/plat-mxc/Makefile
+++ b/arch/arm/plat-mxc/Makefile
@@ -11,7 +11,6 @@ obj-$(CONFIG_MXC_AVIC) += avic.o
 obj-$(CONFIG_IMX_HAVE_IOMUX_V1) += iomux-v1.o
 obj-$(CONFIG_ARCH_MXC_IOMUX_V3) += iomux-v3.o
 obj-$(CONFIG_IRAM_ALLOC) += iram_alloc.o
-obj-$(CONFIG_MXC_PWM)  += pwm.o
 obj-$(CONFIG_MXC_ULPI) += ulpi.o
 obj-$(CONFIG_MXC_USE_EPIT) += epit.o
 obj-$(CONFIG_MXC_DEBUG_BOARD) += 3ds_debugboard.o
diff --git a/arch/arm/plat-mxc/include/mach/i2c.h b/arch/arm/plat-mxc/include/mach/i2c.h
index 375cdd0cf876..8289d915e615 100644
--- a/arch/arm/plat-mxc/include/mach/i2c.h
+++ b/arch/arm/plat-mxc/include/mach/i2c.h
@@ -15,7 +15,7 @@
  *
  **/
 struct imxi2c_platform_data {
-        int bitrate;
+        u32 bitrate;
 };
 
 #endif /* __ASM_ARCH_I2C_H_ */
diff --git a/arch/arm/plat-mxc/pwm.c b/arch/arm/plat-mxc/pwm.c
deleted file mode 100644
index c0cab2270dd1..000000000000
--- a/arch/arm/plat-mxc/pwm.c
+++ /dev/null
@@ -1,306 +0,0 @@
-/*
- * simple driver for PWM (Pulse Width Modulator) controller
- *
- * 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.
- *
- * Derived from pxa PWM driver by eric miao <eric.miao@marvell.com>
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/platform_device.h>
-#include <linux/slab.h>
-#include <linux/err.h>
-#include <linux/clk.h>
-#include <linux/io.h>
-#include <linux/pwm.h>
-#include <mach/hardware.h>
-
-
-/* i.MX1 and i.MX21 share the same PWM function block: */
-
-#define MX1_PWMC    0x00   /* PWM Control Register */
-#define MX1_PWMS    0x04   /* PWM Sample Register */
-#define MX1_PWMP    0x08   /* PWM Period Register */
-
-
-/* i.MX27, i.MX31, i.MX35 share the same PWM function block: */
-
-#define MX3_PWMCR                 0x00    /* PWM Control Register */
-#define MX3_PWMSAR                0x0C    /* PWM Sample Register */
-#define MX3_PWMPR                 0x10    /* PWM Period Register */
-#define MX3_PWMCR_PRESCALER(x)    (((x - 1) & 0xFFF) << 4)
-#define MX3_PWMCR_DOZEEN                (1 << 24)
-#define MX3_PWMCR_WAITEN                (1 << 23)
-#define MX3_PWMCR_DBGEN                 (1 << 22)
-#define MX3_PWMCR_CLKSRC_IPG_HIGH (2 << 16)
-#define MX3_PWMCR_CLKSRC_IPG      (1 << 16)
-#define MX3_PWMCR_EN              (1 << 0)
-
-
-
-struct pwm_device {
-        struct list_head        node;
-        struct platform_device *pdev;
-
-        const char      *label;
-        struct clk      *clk;
-
-        int             clk_enabled;
-        void __iomem    *mmio_base;
-
-        unsigned int    use_count;
-        unsigned int    pwm_id;
-};
-
-int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns)
-{
-        if (pwm == NULL || period_ns == 0 || duty_ns > period_ns)
-                return -EINVAL;
-
-        if (!(cpu_is_mx1() || cpu_is_mx21())) {
-                unsigned long long c;
-                unsigned long period_cycles, duty_cycles, prescale;
-                u32 cr;
-
-                c = clk_get_rate(pwm->clk);
-                c = c * period_ns;
-                do_div(c, 1000000000);
-                period_cycles = c;
-
-                prescale = period_cycles / 0x10000 + 1;
-
-                period_cycles /= prescale;
-                c = (unsigned long long)period_cycles * duty_ns;
-                do_div(c, period_ns);
-                duty_cycles = c;
-
-                /*
-                 * according to imx pwm RM, the real period value should be
-                 * PERIOD value in PWMPR plus 2.
-                 */
-                if (period_cycles > 2)
-                        period_cycles -= 2;
-                else
-                        period_cycles = 0;
-
-                writel(duty_cycles, pwm->mmio_base + MX3_PWMSAR);
-                writel(period_cycles, pwm->mmio_base + MX3_PWMPR);
-
-                cr = MX3_PWMCR_PRESCALER(prescale) |
-                        MX3_PWMCR_DOZEEN | MX3_PWMCR_WAITEN |
-                        MX3_PWMCR_DBGEN | MX3_PWMCR_EN;
-
-                if (cpu_is_mx25())
-                        cr |= MX3_PWMCR_CLKSRC_IPG;
-                else
-                        cr |= MX3_PWMCR_CLKSRC_IPG_HIGH;
-
-                writel(cr, pwm->mmio_base + MX3_PWMCR);
-        } else if (cpu_is_mx1() || cpu_is_mx21()) {
-                /* The PWM subsystem allows for exact frequencies. However,
-                 * I cannot connect a scope on my device to the PWM line and
-                 * thus cannot provide the program the PWM controller
-                 * exactly. Instead, I'm relying on the fact that the
-                 * Bootloader (u-boot or WinCE+haret) has programmed the PWM
-                 * function group already. So I'll just modify the PWM sample
-                 * register to follow the ratio of duty_ns vs. period_ns
-                 * accordingly.
-                 *
-                 * This is good enough for programming the brightness of
-                 * the LCD backlight.
-                 *
-                 * The real implementation would divide PERCLK[0] first by
-                 * both the prescaler (/1 .. /128) and then by CLKSEL
-                 * (/2 .. /16).
-                 */
-                u32 max = readl(pwm->mmio_base + MX1_PWMP);
-                u32 p = max * duty_ns / period_ns;
-                writel(max - p, pwm->mmio_base + MX1_PWMS);
-        } else {
-                BUG();
-        }
-
-        return 0;
-}
-EXPORT_SYMBOL(pwm_config);
-
-int pwm_enable(struct pwm_device *pwm)
-{
-        int rc = 0;
-
-        if (!pwm->clk_enabled) {
-                rc = clk_prepare_enable(pwm->clk);
-                if (!rc)
-                        pwm->clk_enabled = 1;
-        }
-        return rc;
-}
-EXPORT_SYMBOL(pwm_enable);
-
-void pwm_disable(struct pwm_device *pwm)
-{
-        writel(0, pwm->mmio_base + MX3_PWMCR);
-
-        if (pwm->clk_enabled) {
-                clk_disable_unprepare(pwm->clk);
-                pwm->clk_enabled = 0;
-        }
-}
-EXPORT_SYMBOL(pwm_disable);
-
-static DEFINE_MUTEX(pwm_lock);
-static LIST_HEAD(pwm_list);
-
-struct pwm_device *pwm_request(int pwm_id, const char *label)
-{
-        struct pwm_device *pwm;
-        int found = 0;
-
-        mutex_lock(&pwm_lock);
-
-        list_for_each_entry(pwm, &pwm_list, node) {
-                if (pwm->pwm_id == pwm_id) {
-                        found = 1;
-                        break;
-                }
-        }
-
-        if (found) {
-                if (pwm->use_count == 0) {
-                        pwm->use_count++;
-                        pwm->label = label;
-                } else
-                        pwm = ERR_PTR(-EBUSY);
-        } else
-                pwm = ERR_PTR(-ENOENT);
-
-        mutex_unlock(&pwm_lock);
-        return pwm;
-}
-EXPORT_SYMBOL(pwm_request);
-
-void pwm_free(struct pwm_device *pwm)
-{
-        mutex_lock(&pwm_lock);
-
-        if (pwm->use_count) {
-                pwm->use_count--;
-                pwm->label = NULL;
-        } else
-                pr_warning("PWM device already freed\n");
-
-        mutex_unlock(&pwm_lock);
-}
-EXPORT_SYMBOL(pwm_free);
-
-static int __devinit mxc_pwm_probe(struct platform_device *pdev)
-{
-        struct pwm_device *pwm;
-        struct resource *r;
-        int ret = 0;
-
-        pwm = kzalloc(sizeof(struct pwm_device), GFP_KERNEL);
-        if (pwm == NULL) {
-                dev_err(&pdev->dev, "failed to allocate memory\n");
-                return -ENOMEM;
-        }
-
-        pwm->clk = clk_get(&pdev->dev, "pwm");
-
-        if (IS_ERR(pwm->clk)) {
-                ret = PTR_ERR(pwm->clk);
-                goto err_free;
-        }
-
-        pwm->clk_enabled = 0;
-
-        pwm->use_count = 0;
-        pwm->pwm_id = pdev->id;
-        pwm->pdev = pdev;
-
-        r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-        if (r == NULL) {
-                dev_err(&pdev->dev, "no memory resource defined\n");
-                ret = -ENODEV;
-                goto err_free_clk;
-        }
-
-        r = request_mem_region(r->start, resource_size(r), pdev->name);
-        if (r == NULL) {
-                dev_err(&pdev->dev, "failed to request memory resource\n");
-                ret = -EBUSY;
-                goto err_free_clk;
-        }
-
-        pwm->mmio_base = ioremap(r->start, resource_size(r));
-        if (pwm->mmio_base == NULL) {
-                dev_err(&pdev->dev, "failed to ioremap() registers\n");
-                ret = -ENODEV;
-                goto err_free_mem;
-        }
-
-        mutex_lock(&pwm_lock);
-        list_add_tail(&pwm->node, &pwm_list);
-        mutex_unlock(&pwm_lock);
-
-        platform_set_drvdata(pdev, pwm);
-        return 0;
-
-err_free_mem:
-        release_mem_region(r->start, resource_size(r));
-err_free_clk:
-        clk_put(pwm->clk);
-err_free:
-        kfree(pwm);
-        return ret;
-}
-
-static int __devexit mxc_pwm_remove(struct platform_device *pdev)
-{
-        struct pwm_device *pwm;
-        struct resource *r;
-
-        pwm = platform_get_drvdata(pdev);
-        if (pwm == NULL)
-                return -ENODEV;
-
-        mutex_lock(&pwm_lock);
-        list_del(&pwm->node);
-        mutex_unlock(&pwm_lock);
-
-        iounmap(pwm->mmio_base);
-
-        r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-        release_mem_region(r->start, resource_size(r));
-
-        clk_put(pwm->clk);
-
-        kfree(pwm);
-        return 0;
-}
-
-static struct platform_driver mxc_pwm_driver = {
-        .driver         = {
-                .name   = "mxc_pwm",
-        },
-        .probe          = mxc_pwm_probe,
-        .remove         = __devexit_p(mxc_pwm_remove),
-};
-
-static int __init mxc_pwm_init(void)
-{
-        return platform_driver_register(&mxc_pwm_driver);
-}
-arch_initcall(mxc_pwm_init);
-
-static void __exit mxc_pwm_exit(void)
-{
-        platform_driver_unregister(&mxc_pwm_driver);
-}
-module_exit(mxc_pwm_exit);
-
-MODULE_LICENSE("GPL v2");
-MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
diff --git a/arch/arm/plat-nomadik/include/plat/i2c.h b/arch/arm/plat-nomadik/include/plat/i2c.h
deleted file mode 100644
index 8ba70ffc31ec..000000000000
--- a/arch/arm/plat-nomadik/include/plat/i2c.h
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * Copyright (C) 2009 ST-Ericsson
- *
- * 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 __PLAT_I2C_H
-#define __PLAT_I2C_H
-
-enum i2c_freq_mode {
-        I2C_FREQ_MODE_STANDARD,         /* up to 100 Kb/s */
-        I2C_FREQ_MODE_FAST,             /* up to 400 Kb/s */
-        I2C_FREQ_MODE_HIGH_SPEED,       /* up to 3.4 Mb/s */
-        I2C_FREQ_MODE_FAST_PLUS,        /* up to 1 Mb/s */
-};
-
-/**
- * struct nmk_i2c_controller - client specific controller configuration
- * @clk_freq:   clock frequency for the operation mode
- * @slsu:       Slave data setup time in ns.
- *              The needed setup time for three modes of operation
- *              are 250ns, 100ns and 10ns respectively thus leading
- *              to the values of 14, 6, 2 for a 48 MHz i2c clk
- * @tft:        Tx FIFO Threshold in bytes
- * @rft:        Rx FIFO Threshold in bytes
- * @timeout     Slave response timeout(ms)
- * @sm:         speed mode
- */
-struct nmk_i2c_controller {
-        unsigned long   clk_freq;
-        unsigned short  slsu;
-        unsigned char   tft;
-        unsigned char   rft;
-        int timeout;
-        enum i2c_freq_mode      sm;
-};
-
-#endif  /* __PLAT_I2C_H */
diff --git a/arch/arm/plat-omap/include/plat/mmc.h b/arch/arm/plat-omap/include/plat/mmc.h
index 5493bd95da5e..eb3e4d555343 100644
--- a/arch/arm/plat-omap/include/plat/mmc.h
+++ b/arch/arm/plat-omap/include/plat/mmc.h
@@ -81,8 +81,6 @@ struct omap_mmc_platform_data {
         /* Return context loss count due to PM states changing */
         int (*get_context_loss_count)(struct device *dev);
 
-        u64 dma_mask;
-
         /* Integrating attributes from the omap_hwmod layer */
         u8 controller_flags;
 
diff --git a/arch/arm/plat-pxa/Makefile b/arch/arm/plat-pxa/Makefile
index f302d048392d..af8e484001e5 100644
--- a/arch/arm/plat-pxa/Makefile
+++ b/arch/arm/plat-pxa/Makefile
@@ -8,5 +8,4 @@ obj-$(CONFIG_PXA3xx)		+= mfp.o
 obj-$(CONFIG_PXA95x)            += mfp.o
 obj-$(CONFIG_ARCH_MMP)          += mfp.o
 
-obj-$(CONFIG_HAVE_PWM)          += pwm.o
 obj-$(CONFIG_PXA_SSP)           += ssp.o
diff --git a/arch/arm/plat-pxa/pwm.c b/arch/arm/plat-pxa/pwm.c
deleted file mode 100644
index ef32686feef9..000000000000
--- a/arch/arm/plat-pxa/pwm.c
+++ /dev/null
@@ -1,304 +0,0 @@
-/*
- * linux/arch/arm/mach-pxa/pwm.c
- *
- * simple driver for PWM (Pulse Width Modulator) controller
- *
- * 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.
- *
- * 2008-02-13   initial version
- *              eric miao <eric.miao@marvell.com>
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/platform_device.h>
-#include <linux/slab.h>
-#include <linux/err.h>
-#include <linux/clk.h>
-#include <linux/io.h>
-#include <linux/pwm.h>
-
-#include <asm/div64.h>
-
-#define HAS_SECONDARY_PWM       0x10
-#define PWM_ID_BASE(d)          ((d) & 0xf)
-
-static const struct platform_device_id pwm_id_table[] = {
-        /*   PWM    has_secondary_pwm? */
-        { "pxa25x-pwm", 0 },
-        { "pxa27x-pwm", 0 | HAS_SECONDARY_PWM },
-        { "pxa168-pwm", 1 },
-        { "pxa910-pwm", 1 },
-        { },
-};
-MODULE_DEVICE_TABLE(platform, pwm_id_table);
-
-/* PWM registers and bits definitions */
-#define PWMCR           (0x00)
-#define PWMDCR          (0x04)
-#define PWMPCR          (0x08)
-
-#define PWMCR_SD        (1 << 6)
-#define PWMDCR_FD       (1 << 10)
-
-struct pwm_device {
-        struct list_head        node;
-        struct pwm_device       *secondary;
-        struct platform_device  *pdev;
-
-        const char      *label;
-        struct clk      *clk;
-        int             clk_enabled;
-        void __iomem    *mmio_base;
-
-        unsigned int    use_count;
-        unsigned int    pwm_id;
-};
-
-/*
- * period_ns = 10^9 * (PRESCALE + 1) * (PV + 1) / PWM_CLK_RATE
- * duty_ns   = 10^9 * (PRESCALE + 1) * DC / PWM_CLK_RATE
- */
-int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns)
-{
-        unsigned long long c;
-        unsigned long period_cycles, prescale, pv, dc;
-
-        if (pwm == NULL || period_ns == 0 || duty_ns > period_ns)
-                return -EINVAL;
-
-        c = clk_get_rate(pwm->clk);
-        c = c * period_ns;
-        do_div(c, 1000000000);
-        period_cycles = c;
-
-        if (period_cycles < 1)
-                period_cycles = 1;
-        prescale = (period_cycles - 1) / 1024;
-        pv = period_cycles / (prescale + 1) - 1;
-
-        if (prescale > 63)
-                return -EINVAL;
-
-        if (duty_ns == period_ns)
-                dc = PWMDCR_FD;
-        else
-                dc = (pv + 1) * duty_ns / period_ns;
-
-        /* NOTE: the clock to PWM has to be enabled first
-         * before writing to the registers
-         */
-        clk_enable(pwm->clk);
-        __raw_writel(prescale, pwm->mmio_base + PWMCR);
-        __raw_writel(dc, pwm->mmio_base + PWMDCR);
-        __raw_writel(pv, pwm->mmio_base + PWMPCR);
-        clk_disable(pwm->clk);
-
-        return 0;
-}
-EXPORT_SYMBOL(pwm_config);
-
-int pwm_enable(struct pwm_device *pwm)
-{
-        int rc = 0;
-
-        if (!pwm->clk_enabled) {
-                rc = clk_enable(pwm->clk);
-                if (!rc)
-                        pwm->clk_enabled = 1;
-        }
-        return rc;
-}
-EXPORT_SYMBOL(pwm_enable);
-
-void pwm_disable(struct pwm_device *pwm)
-{
-        if (pwm->clk_enabled) {
-                clk_disable(pwm->clk);
-                pwm->clk_enabled = 0;
-        }
-}
-EXPORT_SYMBOL(pwm_disable);
-
-static DEFINE_MUTEX(pwm_lock);
-static LIST_HEAD(pwm_list);
-
-struct pwm_device *pwm_request(int pwm_id, const char *label)
-{
-        struct pwm_device *pwm;
-        int found = 0;
-
-        mutex_lock(&pwm_lock);
-
-        list_for_each_entry(pwm, &pwm_list, node) {
-                if (pwm->pwm_id == pwm_id) {
-                        found = 1;
-                        break;
-                }
-        }
-
-        if (found) {
-                if (pwm->use_count == 0) {
-                        pwm->use_count++;
-                        pwm->label = label;
-                } else
-                        pwm = ERR_PTR(-EBUSY);
-        } else
-                pwm = ERR_PTR(-ENOENT);
-
-        mutex_unlock(&pwm_lock);
-        return pwm;
-}
-EXPORT_SYMBOL(pwm_request);
-
-void pwm_free(struct pwm_device *pwm)
-{
-        mutex_lock(&pwm_lock);
-
-        if (pwm->use_count) {
-                pwm->use_count--;
-                pwm->label = NULL;
-        } else
-                pr_warning("PWM device already freed\n");
-
-        mutex_unlock(&pwm_lock);
-}
-EXPORT_SYMBOL(pwm_free);
-
-static inline void __add_pwm(struct pwm_device *pwm)
-{
-        mutex_lock(&pwm_lock);
-        list_add_tail(&pwm->node, &pwm_list);
-        mutex_unlock(&pwm_lock);
-}
-
-static int __devinit pwm_probe(struct platform_device *pdev)
-{
-        const struct platform_device_id *id = platform_get_device_id(pdev);
-        struct pwm_device *pwm, *secondary = NULL;
-        struct resource *r;
-        int ret = 0;
-
-        pwm = kzalloc(sizeof(struct pwm_device), GFP_KERNEL);
-        if (pwm == NULL) {
-                dev_err(&pdev->dev, "failed to allocate memory\n");
-                return -ENOMEM;
-        }
-
-        pwm->clk = clk_get(&pdev->dev, NULL);
-        if (IS_ERR(pwm->clk)) {
-                ret = PTR_ERR(pwm->clk);
-                goto err_free;
-        }
-        pwm->clk_enabled = 0;
-
-        pwm->use_count = 0;
-        pwm->pwm_id = PWM_ID_BASE(id->driver_data) + pdev->id;
-        pwm->pdev = pdev;
-
-        r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-        if (r == NULL) {
-                dev_err(&pdev->dev, "no memory resource defined\n");
-                ret = -ENODEV;
-                goto err_free_clk;
-        }
-
-        r = request_mem_region(r->start, resource_size(r), pdev->name);
-        if (r == NULL) {
-                dev_err(&pdev->dev, "failed to request memory resource\n");
-                ret = -EBUSY;
-                goto err_free_clk;
-        }
-
-        pwm->mmio_base = ioremap(r->start, resource_size(r));
-        if (pwm->mmio_base == NULL) {
-                dev_err(&pdev->dev, "failed to ioremap() registers\n");
-                ret = -ENODEV;
-                goto err_free_mem;
-        }
-
-        if (id->driver_data & HAS_SECONDARY_PWM) {
-                secondary = kzalloc(sizeof(struct pwm_device), GFP_KERNEL);
-                if (secondary == NULL) {
-                        ret = -ENOMEM;
-                        goto err_free_mem;
-                }
-
-                *secondary = *pwm;
-                pwm->secondary = secondary;
-
-                /* registers for the second PWM has offset of 0x10 */
-                secondary->mmio_base = pwm->mmio_base + 0x10;
-                secondary->pwm_id = pdev->id + 2;
-        }
-
-        __add_pwm(pwm);
-        if (secondary)
-                __add_pwm(secondary);
-
-        platform_set_drvdata(pdev, pwm);
-        return 0;
-
-err_free_mem:
-        release_mem_region(r->start, resource_size(r));
-err_free_clk:
-        clk_put(pwm->clk);
-err_free:
-        kfree(pwm);
-        return ret;
-}
-
-static int __devexit pwm_remove(struct platform_device *pdev)
-{
-        struct pwm_device *pwm;
-        struct resource *r;
-
-        pwm = platform_get_drvdata(pdev);
-        if (pwm == NULL)
-                return -ENODEV;
-
-        mutex_lock(&pwm_lock);
-
-        if (pwm->secondary) {
-                list_del(&pwm->secondary->node);
-                kfree(pwm->secondary);
-        }
-
-        list_del(&pwm->node);
-        mutex_unlock(&pwm_lock);
-
-        iounmap(pwm->mmio_base);
-
-        r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-        release_mem_region(r->start, resource_size(r));
-
-        clk_put(pwm->clk);
-        kfree(pwm);
-        return 0;
-}
-
-static struct platform_driver pwm_driver = {
-        .driver         = {
-                .name   = "pxa25x-pwm",
-                .owner  = THIS_MODULE,
-        },
-        .probe          = pwm_probe,
-        .remove         = __devexit_p(pwm_remove),
-        .id_table       = pwm_id_table,
-};
-
-static int __init pwm_init(void)
-{
-        return platform_driver_register(&pwm_driver);
-}
-arch_initcall(pwm_init);
-
-static void __exit pwm_exit(void)
-{
-        platform_driver_unregister(&pwm_driver);
-}
-module_exit(pwm_exit);
-
-MODULE_LICENSE("GPL v2");
diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile
index b78717496677..9e40e8d00740 100644
--- a/arch/arm/plat-samsung/Makefile
+++ b/arch/arm/plat-samsung/Makefile
@@ -59,7 +59,3 @@ obj-$(CONFIG_SAMSUNG_WAKEMASK)	+= wakeup-mask.o
 
 obj-$(CONFIG_S5P_PM)            += s5p-pm.o s5p-irq-pm.o
 obj-$(CONFIG_S5P_SLEEP)         += s5p-sleep.o
-
-# PWM support
-
-obj-$(CONFIG_HAVE_PWM)          += pwm.o
diff --git a/arch/arm/plat-samsung/pwm.c b/arch/arm/plat-samsung/pwm.c
deleted file mode 100644
index d3583050fb05..000000000000
--- a/arch/arm/plat-samsung/pwm.c
+++ /dev/null
@@ -1,416 +0,0 @@
-/* arch/arm/plat-s3c/pwm.c
- *
- * Copyright (c) 2007 Ben Dooks
- * Copyright (c) 2008 Simtec Electronics
- *      Ben Dooks <ben@simtec.co.uk>, <ben-linux@fluff.org>
- *
- * S3C series PWM device core
- *
- * 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.
-*/
-
-#include <linux/export.h>
-#include <linux/kernel.h>
-#include <linux/platform_device.h>
-#include <linux/slab.h>
-#include <linux/err.h>
-#include <linux/clk.h>
-#include <linux/io.h>
-#include <linux/pwm.h>
-
-#include <mach/map.h>
-
-#include <plat/regs-timer.h>
-
-struct pwm_device {
-        struct list_head         list;
-        struct platform_device  *pdev;
-
-        struct clk              *clk_div;
-        struct clk              *clk;
-        const char              *label;
-
-        unsigned int             period_ns;
-        unsigned int             duty_ns;
-
-        unsigned char            tcon_base;
-        unsigned char            use_count;
-        unsigned char            pwm_id;
-};
-
-#define pwm_dbg(_pwm, msg...) dev_dbg(&(_pwm)->pdev->dev, msg)
-
-static struct clk *clk_scaler[2];
-
-static inline int pwm_is_tdiv(struct pwm_device *pwm)
-{
-        return clk_get_parent(pwm->clk) == pwm->clk_div;
-}
-
-static DEFINE_MUTEX(pwm_lock);
-static LIST_HEAD(pwm_list);
-
-struct pwm_device *pwm_request(int pwm_id, const char *label)
-{
-        struct pwm_device *pwm;
-        int found = 0;
-
-        mutex_lock(&pwm_lock);
-
-        list_for_each_entry(pwm, &pwm_list, list) {
-                if (pwm->pwm_id == pwm_id) {
-                        found = 1;
-                        break;
-                }
-        }
-
-        if (found) {
-                if (pwm->use_count == 0) {
-                        pwm->use_count = 1;
-                        pwm->label = label;
-                } else
-                        pwm = ERR_PTR(-EBUSY);
-        } else
-                pwm = ERR_PTR(-ENOENT);
-
-        mutex_unlock(&pwm_lock);
-        return pwm;
-}
-
-EXPORT_SYMBOL(pwm_request);
-
-
-void pwm_free(struct pwm_device *pwm)
-{
-        mutex_lock(&pwm_lock);
-
-        if (pwm->use_count) {
-                pwm->use_count--;
-                pwm->label = NULL;
-        } else
-                printk(KERN_ERR "PWM%d device already freed\n", pwm->pwm_id);
-
-        mutex_unlock(&pwm_lock);
-}
-
-EXPORT_SYMBOL(pwm_free);
-
-#define pwm_tcon_start(pwm) (1 << (pwm->tcon_base + 0))
-#define pwm_tcon_invert(pwm) (1 << (pwm->tcon_base + 2))
-#define pwm_tcon_autoreload(pwm) (1 << (pwm->tcon_base + 3))
-#define pwm_tcon_manulupdate(pwm) (1 << (pwm->tcon_base + 1))
-
-int pwm_enable(struct pwm_device *pwm)
-{
-        unsigned long flags;
-        unsigned long tcon;
-
-        local_irq_save(flags);
-
-        tcon = __raw_readl(S3C2410_TCON);
-        tcon |= pwm_tcon_start(pwm);
-        __raw_writel(tcon, S3C2410_TCON);
-
-        local_irq_restore(flags);
-
-        return 0;
-}
-
-EXPORT_SYMBOL(pwm_enable);
-
-void pwm_disable(struct pwm_device *pwm)
-{
-        unsigned long flags;
-        unsigned long tcon;
-
-        local_irq_save(flags);
-
-        tcon = __raw_readl(S3C2410_TCON);
-        tcon &= ~pwm_tcon_start(pwm);
-        __raw_writel(tcon, S3C2410_TCON);
-
-        local_irq_restore(flags);
-}
-
-EXPORT_SYMBOL(pwm_disable);
-
-static unsigned long pwm_calc_tin(struct pwm_device *pwm, unsigned long freq)
-{
-        unsigned long tin_parent_rate;
-        unsigned int div;
-
-        tin_parent_rate = clk_get_rate(clk_get_parent(pwm->clk_div));
-        pwm_dbg(pwm, "tin parent at %lu\n", tin_parent_rate);
-
-        for (div = 2; div <= 16; div *= 2) {
-                if ((tin_parent_rate / (div << 16)) < freq)
-                        return tin_parent_rate / div;
-        }
-
-        return tin_parent_rate / 16;
-}
-
-#define NS_IN_HZ (1000000000UL)
-
-int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns)
-{
-        unsigned long tin_rate;
-        unsigned long tin_ns;
-        unsigned long period;
-        unsigned long flags;
-        unsigned long tcon;
-        unsigned long tcnt;
-        long tcmp;
-
-        /* We currently avoid using 64bit arithmetic by using the
-         * fact that anything faster than 1Hz is easily representable
-         * by 32bits. */
-
-        if (period_ns > NS_IN_HZ || duty_ns > NS_IN_HZ)
-                return -ERANGE;
-
-        if (duty_ns > period_ns)
-                return -EINVAL;
-
-        if (period_ns == pwm->period_ns &&
-            duty_ns == pwm->duty_ns)
-                return 0;
-
-        /* The TCMP and TCNT can be read without a lock, they're not
-         * shared between the timers. */
-
-        tcmp = __raw_readl(S3C2410_TCMPB(pwm->pwm_id));
-        tcnt = __raw_readl(S3C2410_TCNTB(pwm->pwm_id));
-
-        period = NS_IN_HZ / period_ns;
-
-        pwm_dbg(pwm, "duty_ns=%d, period_ns=%d (%lu)\n",
-                duty_ns, period_ns, period);
-
-        /* Check to see if we are changing the clock rate of the PWM */
-
-        if (pwm->period_ns != period_ns) {
-                if (pwm_is_tdiv(pwm)) {
-                        tin_rate = pwm_calc_tin(pwm, period);
-                        clk_set_rate(pwm->clk_div, tin_rate);
-                } else
-                        tin_rate = clk_get_rate(pwm->clk);
-
-                pwm->period_ns = period_ns;
-
-                pwm_dbg(pwm, "tin_rate=%lu\n", tin_rate);
-
-                tin_ns = NS_IN_HZ / tin_rate;
-                tcnt = period_ns / tin_ns;
-        } else
-                tin_ns = NS_IN_HZ / clk_get_rate(pwm->clk);
-
-        /* Note, counters count down */
-
-        tcmp = duty_ns / tin_ns;
-        tcmp = tcnt - tcmp;
-        /* the pwm hw only checks the compare register after a decrement,
-           so the pin never toggles if tcmp = tcnt */
-        if (tcmp == tcnt)
-                tcmp--;
-
-        pwm_dbg(pwm, "tin_ns=%lu, tcmp=%ld/%lu\n", tin_ns, tcmp, tcnt);
-
-        if (tcmp < 0)
-                tcmp = 0;
-
-        /* Update the PWM register block. */
-
-        local_irq_save(flags);
-
-        __raw_writel(tcmp, S3C2410_TCMPB(pwm->pwm_id));
-        __raw_writel(tcnt, S3C2410_TCNTB(pwm->pwm_id));
-
-        tcon = __raw_readl(S3C2410_TCON);
-        tcon |= pwm_tcon_manulupdate(pwm);
-        tcon |= pwm_tcon_autoreload(pwm);
-        __raw_writel(tcon, S3C2410_TCON);
-
-        tcon &= ~pwm_tcon_manulupdate(pwm);
-        __raw_writel(tcon, S3C2410_TCON);
-
-        local_irq_restore(flags);
-
-        return 0;
-}
-
-EXPORT_SYMBOL(pwm_config);
-
-static int pwm_register(struct pwm_device *pwm)
-{
-        pwm->duty_ns = -1;
-        pwm->period_ns = -1;
-
-        mutex_lock(&pwm_lock);
-        list_add_tail(&pwm->list, &pwm_list);
-        mutex_unlock(&pwm_lock);
-
-        return 0;
-}
-
-static int s3c_pwm_probe(struct platform_device *pdev)
-{
-        struct device *dev = &pdev->dev;
-        struct pwm_device *pwm;
-        unsigned long flags;
-        unsigned long tcon;
-        unsigned int id = pdev->id;
-        int ret;
-
-        if (id == 4) {
-                dev_err(dev, "TIMER4 is currently not supported\n");
-                return -ENXIO;
-        }
-
-        pwm = kzalloc(sizeof(struct pwm_device), GFP_KERNEL);
-        if (pwm == NULL) {
-                dev_err(dev, "failed to allocate pwm_device\n");
-                return -ENOMEM;
-        }
-
-        pwm->pdev = pdev;
-        pwm->pwm_id = id;
-
-        /* calculate base of control bits in TCON */
-        pwm->tcon_base = id == 0 ? 0 : (id * 4) + 4;
-
-        pwm->clk = clk_get(dev, "pwm-tin");
-        if (IS_ERR(pwm->clk)) {
-                dev_err(dev, "failed to get pwm tin clk\n");
-                ret = PTR_ERR(pwm->clk);
-                goto err_alloc;
-        }
-
-        pwm->clk_div = clk_get(dev, "pwm-tdiv");
-        if (IS_ERR(pwm->clk_div)) {
-                dev_err(dev, "failed to get pwm tdiv clk\n");
-                ret = PTR_ERR(pwm->clk_div);
-                goto err_clk_tin;
-        }
-
-        clk_enable(pwm->clk);
-        clk_enable(pwm->clk_div);
-
-        local_irq_save(flags);
-
-        tcon = __raw_readl(S3C2410_TCON);
-        tcon |= pwm_tcon_invert(pwm);
-        __raw_writel(tcon, S3C2410_TCON);
-
-        local_irq_restore(flags);
-
-
-        ret = pwm_register(pwm);
-        if (ret) {
-                dev_err(dev, "failed to register pwm\n");
-                goto err_clk_tdiv;
-        }
-
-        pwm_dbg(pwm, "config bits %02x\n",
-                (__raw_readl(S3C2410_TCON) >> pwm->tcon_base) & 0x0f);
-
-        dev_info(dev, "tin at %lu, tdiv at %lu, tin=%sclk, base %d\n",
-                 clk_get_rate(pwm->clk),
-                 clk_get_rate(pwm->clk_div),
-                 pwm_is_tdiv(pwm) ? "div" : "ext", pwm->tcon_base);
-
-        platform_set_drvdata(pdev, pwm);
-        return 0;
-
- err_clk_tdiv:
-        clk_disable(pwm->clk_div);
-        clk_disable(pwm->clk);
-        clk_put(pwm->clk_div);
-
- err_clk_tin:
-        clk_put(pwm->clk);
-
- err_alloc:
-        kfree(pwm);
-        return ret;
-}
-
-static int __devexit s3c_pwm_remove(struct platform_device *pdev)
-{
-        struct pwm_device *pwm = platform_get_drvdata(pdev);
-
-        clk_disable(pwm->clk_div);
-        clk_disable(pwm->clk);
-        clk_put(pwm->clk_div);
-        clk_put(pwm->clk);
-        kfree(pwm);
-
-        return 0;
-}
-
-#ifdef CONFIG_PM
-static int s3c_pwm_suspend(struct platform_device *pdev, pm_message_t state)
-{
-        struct pwm_device *pwm = platform_get_drvdata(pdev);
-
-        /* No one preserve these values during suspend so reset them
-         * Otherwise driver leaves PWM unconfigured if same values
-         * passed to pwm_config
-         */
-        pwm->period_ns = 0;
-        pwm->duty_ns = 0;
-
-        return 0;
-}
-
-static int s3c_pwm_resume(struct platform_device *pdev)
-{
-        struct pwm_device *pwm = platform_get_drvdata(pdev);
-        unsigned long tcon;
-
-        /* Restore invertion */
-        tcon = __raw_readl(S3C2410_TCON);
-        tcon |= pwm_tcon_invert(pwm);
-        __raw_writel(tcon, S3C2410_TCON);
-
-        return 0;
-}
-
-#else
-#define s3c_pwm_suspend NULL
-#define s3c_pwm_resume NULL
-#endif
-
-static struct platform_driver s3c_pwm_driver = {
-        .driver         = {
-                .name   = "s3c24xx-pwm",
-                .owner  = THIS_MODULE,
-        },
-        .probe          = s3c_pwm_probe,
-        .remove         = __devexit_p(s3c_pwm_remove),
-        .suspend        = s3c_pwm_suspend,
-        .resume         = s3c_pwm_resume,
-};
-
-static int __init pwm_init(void)
-{
-        int ret;
-
-        clk_scaler[0] = clk_get(NULL, "pwm-scaler0");
-        clk_scaler[1] = clk_get(NULL, "pwm-scaler1");
-
-        if (IS_ERR(clk_scaler[0]) || IS_ERR(clk_scaler[1])) {
-                printk(KERN_ERR "%s: failed to get scaler clocks\n", __func__);
-                return -EINVAL;
-        }
-
-        ret = platform_driver_register(&s3c_pwm_driver);
-        if (ret)
-                printk(KERN_ERR "%s: failed to add pwm driver\n", __func__);
-
-        return ret;
-}
-
-arch_initcall(pwm_init);
diff --git a/arch/arm/plat-spear/include/plat/keyboard.h b/arch/arm/plat-spear/include/plat/keyboard.h
index 0562f134621d..9248e3a7e333 100644
--- a/arch/arm/plat-spear/include/plat/keyboard.h
+++ b/arch/arm/plat-spear/include/plat/keyboard.h
@@ -149,6 +149,7 @@ int _name[] = { \
  * keymap: pointer to keymap data (table and size)
  * rep: enables key autorepeat
  * mode: choose keyboard support(9x9, 6x6, 2x2)
+ * suspended_rate: rate at which keyboard would operate in suspended mode
  *
  * This structure is supposed to be used by platform code to supply
  * keymaps to drivers that implement keyboards.
@@ -157,6 +158,7 @@ struct kbd_platform_data {
         const struct matrix_keymap_data *keymap;
         bool rep;
         unsigned int mode;
+        unsigned int suspended_rate;
 };
 
 #endif /* __PLAT_KEYBOARD_H */
diff --git a/arch/arm/plat-spear/include/plat/pl080.h b/arch/arm/plat-spear/include/plat/pl080.h
index 2bc6b54460a8..eb6590ded40d 100644
--- a/arch/arm/plat-spear/include/plat/pl080.h
+++ b/arch/arm/plat-spear/include/plat/pl080.h
@@ -14,8 +14,8 @@
 #ifndef __PLAT_PL080_H
 #define __PLAT_PL080_H
 
-struct pl08x_dma_chan;
-int pl080_get_signal(struct pl08x_dma_chan *ch);
-void pl080_put_signal(struct pl08x_dma_chan *ch);
+struct pl08x_channel_data;
+int pl080_get_signal(const struct pl08x_channel_data *cd);
+void pl080_put_signal(const struct pl08x_channel_data *cd, int signal);
 
 #endif /* __PLAT_PL080_H */
diff --git a/arch/arm/plat-spear/pl080.c b/arch/arm/plat-spear/pl080.c
index 12cf27f935f9..cfa1199d0f4a 100644
--- a/arch/arm/plat-spear/pl080.c
+++ b/arch/arm/plat-spear/pl080.c
@@ -27,9 +27,8 @@ struct {
         unsigned char val;
 } signals[16] = {{0, 0}, };
 
-int pl080_get_signal(struct pl08x_dma_chan *ch)
+int pl080_get_signal(const struct pl08x_channel_data *cd)
 {
-        const struct pl08x_channel_data *cd = ch->cd;
         unsigned int signal = cd->min_signal, val;
         unsigned long flags;
 
@@ -63,18 +62,17 @@ int pl080_get_signal(struct pl08x_dma_chan *ch)
         return signal;
 }
 
-void pl080_put_signal(struct pl08x_dma_chan *ch)
+void pl080_put_signal(const struct pl08x_channel_data *cd, int signal)
 {
-        const struct pl08x_channel_data *cd = ch->cd;
         unsigned long flags;
 
         spin_lock_irqsave(&lock, flags);
 
         /* if signal is not used */
-        if (!signals[cd->min_signal].busy)
+        if (!signals[signal].busy)
                 BUG();
 
-        signals[cd->min_signal].busy--;
+        signals[signal].busy--;
 
         spin_unlock_irqrestore(&lock, flags);
 }
diff --git a/arch/arm/plat-versatile/platsmp.c b/arch/arm/plat-versatile/platsmp.c
index 49c7db48c7f1..d7c5c171f5aa 100644
--- a/arch/arm/plat-versatile/platsmp.c
+++ b/arch/arm/plat-versatile/platsmp.c
@@ -85,7 +85,7 @@ int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)
          * the boot monitor to read the system wide flags register,
          * and branch to the address found there.
          */
-        gic_raise_softirq(cpumask_of(cpu), 1);
+        gic_raise_softirq(cpumask_of(cpu), 0);
 
         timeout = jiffies + (1 * HZ);
         while (time_before(jiffies, timeout)) {
diff --git a/arch/arm/vfp/entry.S b/arch/arm/vfp/entry.S
index 4fa9903b83cf..cc926c985981 100644
--- a/arch/arm/vfp/entry.S
+++ b/arch/arm/vfp/entry.S
@@ -7,18 +7,20 @@
  * 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.
- *
- * Basic entry code, called from the kernel's undefined instruction trap.
- *  r0  = faulted instruction
- *  r5  = faulted PC+4
- *  r9  = successful return
- *  r10 = thread_info structure
- *  lr  = failure return
  */
 #include <asm/thread_info.h>
 #include <asm/vfpmacros.h>
 #include "../kernel/entry-header.S"
 
+@ VFP entry point.
+@
+@  r0  = instruction opcode (32-bit ARM or two 16-bit Thumb)
+@  r2  = PC value to resume execution after successful emulation
+@  r9  = normal "successful" return address
+@  r10 = this threads thread_info structure
+@  lr  = unrecognised instruction return address
+@  IRQs disabled.
+@
 ENTRY(do_vfp)
 #ifdef CONFIG_PREEMPT
         ldr     r4, [r10, #TI_PREEMPT]  @ get preempt count
diff --git a/arch/arm/vfp/vfphw.S b/arch/arm/vfp/vfphw.S
index 2d30c7f6edd3..ea0349f63586 100644
--- a/arch/arm/vfp/vfphw.S
+++ b/arch/arm/vfp/vfphw.S
@@ -16,6 +16,7 @@
  */
 #include <asm/thread_info.h>
 #include <asm/vfpmacros.h>
+#include <linux/kern_levels.h>
 #include "../kernel/entry-header.S"
 
         .macro  DBGSTR, str
@@ -24,7 +25,7 @@
         add     r0, pc, #4
         bl      printk
         b       1f
-        .asciz  "<7>VFP: \str\n"
+        .asciz  KERN_DEBUG "VFP: \str\n"
         .balign 4
 1:      ldmfd   sp!, {r0-r3, ip, lr}
 #endif
@@ -37,7 +38,7 @@
         add     r0, pc, #4
         bl      printk
         b       1f
-        .asciz  "<7>VFP: \str\n"
+        .asciz  KERN_DEBUG "VFP: \str\n"
         .balign 4
 1:      ldmfd   sp!, {r0-r3, ip, lr}
 #endif
@@ -52,7 +53,7 @@
         add     r0, pc, #4
         bl      printk
         b       1f
-        .asciz  "<7>VFP: \str\n"
+        .asciz  KERN_DEBUG "VFP: \str\n"
         .balign 4
 1:      ldmfd   sp!, {r0-r3, ip, lr}
 #endif
@@ -61,13 +62,13 @@
 
 @ VFP hardware support entry point.
 @
-@  r0  = faulted instruction
-@  r2  = faulted PC+4
-@  r9  = successful return
+@  r0  = instruction opcode (32-bit ARM or two 16-bit Thumb)
+@  r2  = PC value to resume execution after successful emulation
+@  r9  = normal "successful" return address
 @  r10 = vfp_state union
 @  r11 = CPU number
-@  lr  = failure return
-
+@  lr  = unrecognised instruction return address
+@  IRQs enabled.
 ENTRY(vfp_support_entry)
         DBGSTR3 "instr %08x pc %08x state %p", r0, r2, r10
 
@@ -161,9 +162,12 @@ vfp_hw_state_valid:
                                         @ exception before retrying branch
                                         @ out before setting an FPEXC that
                                         @ stops us reading stuff
-        VFPFMXR FPEXC, r1               @ restore FPEXC last
-        sub     r2, r2, #4
-        str     r2, [sp, #S_PC]         @ retry the instruction
+        VFPFMXR FPEXC, r1               @ Restore FPEXC last
+        sub     r2, r2, #4              @ Retry current instruction - if Thumb
+        str     r2, [sp, #S_PC]         @ mode it's two 16-bit instructions,
+                                        @ else it's one 32-bit instruction, so
+                                        @ always subtract 4 from the following
+                                        @ instruction address.
 #ifdef CONFIG_PREEMPT
         get_thread_info r10
         ldr     r4, [r10, #TI_PREEMPT]  @ get preempt count
diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c
index 586961929e96..fb849d044bde 100644
--- a/arch/arm/vfp/vfpmodule.c
+++ b/arch/arm/vfp/vfpmodule.c
@@ -457,10 +457,16 @@ static int vfp_pm_suspend(void)
 
                 /* disable, just in case */
                 fmxr(FPEXC, fmrx(FPEXC) & ~FPEXC_EN);
+        } else if (vfp_current_hw_state[ti->cpu]) {
+#ifndef CONFIG_SMP
+                fmxr(FPEXC, fpexc | FPEXC_EN);
+                vfp_save_state(vfp_current_hw_state[ti->cpu], fpexc);
+                fmxr(FPEXC, fpexc);
+#endif
         }
 
         /* clear any information we had about last context state */
-        memset(vfp_current_hw_state, 0, sizeof(vfp_current_hw_state));
+        vfp_current_hw_state[ti->cpu] = NULL;
 
         return 0;
 }