Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless

79 files changed, 908 insertions, 776 deletions

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 713fb58ca50..ff9e033ce62 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -5,6 +5,7 @@ config SUPERH
 	select HAVE_IDE if HAS_IOPORT
 	select HAVE_MEMBLOCK
 	select HAVE_MEMBLOCK_NODE_MAP
+	select ARCH_DISCARD_MEMBLOCK
 	select HAVE_OPROFILE
 	select HAVE_GENERIC_DMA_COHERENT
 	select HAVE_ARCH_TRACEHOOK
@@ -22,7 +23,7 @@ config SUPERH
 	select HAVE_SYSCALL_TRACEPOINTS
 	select HAVE_REGS_AND_STACK_ACCESS_API
 	select HAVE_GENERIC_HARDIRQS
-	select HAVE_SPARSE_IRQ
+	select MAY_HAVE_SPARSE_IRQ
 	select IRQ_FORCED_THREADING
 	select RTC_LIB
 	select GENERIC_ATOMIC64
@@ -161,6 +162,9 @@ config NO_IOPORT
 config IO_TRAPPED
 	bool
 
+config SWAP_IO_SPACE
+	bool
+
 config DMA_COHERENT
 	bool
 
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index e5ac12b2ce6..d12fe9ddf3d 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -522,11 +522,18 @@ static void sdhi0_set_pwr(struct platform_device *pdev, int state)
 	gpio_set_value(GPIO_PTB6, state);
 }
 
+static int sdhi0_get_cd(struct platform_device *pdev)
+{
+	return !gpio_get_value(GPIO_PTY7);
+}
+
 static struct sh_mobile_sdhi_info sdhi0_info = {
 	.dma_slave_tx	= SHDMA_SLAVE_SDHI0_TX,
 	.dma_slave_rx	= SHDMA_SLAVE_SDHI0_RX,
 	.set_pwr	= sdhi0_set_pwr,
-	.tmio_caps      = MMC_CAP_SDIO_IRQ | MMC_CAP_POWER_OFF_CARD,
+	.tmio_caps      = MMC_CAP_SDIO_IRQ | MMC_CAP_POWER_OFF_CARD |
+			  MMC_CAP_NEEDS_POLL,
+	.get_cd		= sdhi0_get_cd,
 };
 
 static struct resource sdhi0_resources[] = {
@@ -559,11 +566,18 @@ static void sdhi1_set_pwr(struct platform_device *pdev, int state)
 	gpio_set_value(GPIO_PTB7, state);
 }
 
+static int sdhi1_get_cd(struct platform_device *pdev)
+{
+	return !gpio_get_value(GPIO_PTW7);
+}
+
 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_SDIO_IRQ | MMC_CAP_POWER_OFF_CARD,
+	.tmio_caps      = MMC_CAP_SDIO_IRQ | MMC_CAP_POWER_OFF_CARD |
+			  MMC_CAP_NEEDS_POLL,
 	.set_pwr	= sdhi1_set_pwr,
+	.get_cd		= sdhi1_get_cd,
 };
 
 static struct resource sdhi1_resources[] = {
@@ -1001,6 +1015,7 @@ extern char ecovec24_sdram_leave_end;
 static int __init arch_setup(void)
 {
 	struct clk *clk;
+	bool cn12_enabled = false;
 
 	/* register board specific self-refresh code */
 	sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF |
@@ -1201,9 +1216,13 @@ static int __init arch_setup(void)
 	gpio_direction_input(GPIO_PTR5);
 	gpio_direction_input(GPIO_PTR6);
 
+	/* SD-card slot CN11 */
+	/* Card-detect, used on CN11, either with SDHI0 or with SPI */
+	gpio_request(GPIO_PTY7, NULL);
+	gpio_direction_input(GPIO_PTY7);
+
 #if defined(CONFIG_MMC_SDHI) || defined(CONFIG_MMC_SDHI_MODULE)
 	/* enable SDHI0 on CN11 (needs DS2.4 set to ON) */
-	gpio_request(GPIO_FN_SDHI0CD,  NULL);
 	gpio_request(GPIO_FN_SDHI0WP,  NULL);
 	gpio_request(GPIO_FN_SDHI0CMD, NULL);
 	gpio_request(GPIO_FN_SDHI0CLK, NULL);
@@ -1213,23 +1232,6 @@ static int __init arch_setup(void)
 	gpio_request(GPIO_FN_SDHI0D0,  NULL);
 	gpio_request(GPIO_PTB6, NULL);
 	gpio_direction_output(GPIO_PTB6, 0);
-
-#if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE)
-	/* enable SDHI1 on CN12 (needs DS2.6,7 set to ON,OFF) */
-	gpio_request(GPIO_FN_SDHI1CD,  NULL);
-	gpio_request(GPIO_FN_SDHI1WP,  NULL);
-	gpio_request(GPIO_FN_SDHI1CMD, NULL);
-	gpio_request(GPIO_FN_SDHI1CLK, NULL);
-	gpio_request(GPIO_FN_SDHI1D3,  NULL);
-	gpio_request(GPIO_FN_SDHI1D2,  NULL);
-	gpio_request(GPIO_FN_SDHI1D1,  NULL);
-	gpio_request(GPIO_FN_SDHI1D0,  NULL);
-	gpio_request(GPIO_PTB7, NULL);
-	gpio_direction_output(GPIO_PTB7, 0);
-
-	/* I/O buffer drive ability is high for SDHI1 */
-	__raw_writew((__raw_readw(IODRIVEA) & ~0x3000) | 0x2000 , IODRIVEA);
-#endif /* CONFIG_MMC_SH_MMCIF */
 #else
 	/* enable MSIOF0 on CN11 (needs DS2.4 set to OFF) */
 	gpio_request(GPIO_FN_MSIOF0_TXD, NULL);
@@ -1241,12 +1243,51 @@ static int __init arch_setup(void)
 	gpio_direction_output(GPIO_PTB6, 0); /* disable power by default */
 	gpio_request(GPIO_PTY6, NULL); /* write protect */
 	gpio_direction_input(GPIO_PTY6);
-	gpio_request(GPIO_PTY7, NULL); /* card detect */
-	gpio_direction_input(GPIO_PTY7);
 
 	spi_register_board_info(spi_bus, ARRAY_SIZE(spi_bus));
 #endif
 
+	/* MMC/SD-card slot CN12 */
+#if defined(CONFIG_MMC_SH_MMCIF) || defined(CONFIG_MMC_SH_MMCIF_MODULE)
+	/* enable MMCIF (needs DS2.6,7 set to OFF,ON) */
+	gpio_request(GPIO_FN_MMC_D7, NULL);
+	gpio_request(GPIO_FN_MMC_D6, NULL);
+	gpio_request(GPIO_FN_MMC_D5, NULL);
+	gpio_request(GPIO_FN_MMC_D4, NULL);
+	gpio_request(GPIO_FN_MMC_D3, NULL);
+	gpio_request(GPIO_FN_MMC_D2, NULL);
+	gpio_request(GPIO_FN_MMC_D1, NULL);
+	gpio_request(GPIO_FN_MMC_D0, NULL);
+	gpio_request(GPIO_FN_MMC_CLK, NULL);
+	gpio_request(GPIO_FN_MMC_CMD, NULL);
+	gpio_request(GPIO_PTB7, NULL);
+	gpio_direction_output(GPIO_PTB7, 0);
+
+	cn12_enabled = true;
+#elif defined(CONFIG_MMC_SDHI) || defined(CONFIG_MMC_SDHI_MODULE)
+	/* enable SDHI1 on CN12 (needs DS2.6,7 set to ON,OFF) */
+	gpio_request(GPIO_FN_SDHI1WP,  NULL);
+	gpio_request(GPIO_FN_SDHI1CMD, NULL);
+	gpio_request(GPIO_FN_SDHI1CLK, NULL);
+	gpio_request(GPIO_FN_SDHI1D3,  NULL);
+	gpio_request(GPIO_FN_SDHI1D2,  NULL);
+	gpio_request(GPIO_FN_SDHI1D1,  NULL);
+	gpio_request(GPIO_FN_SDHI1D0,  NULL);
+	gpio_request(GPIO_PTB7, NULL);
+	gpio_direction_output(GPIO_PTB7, 0);
+
+	/* Card-detect, used on CN12 with SDHI1 */
+	gpio_request(GPIO_PTW7, NULL);
+	gpio_direction_input(GPIO_PTW7);
+
+	cn12_enabled = true;
+#endif
+
+	if (cn12_enabled)
+		/* I/O buffer drive ability is high for CN12 */
+		__raw_writew((__raw_readw(IODRIVEA) & ~0x3000) | 0x2000,
+			     IODRIVEA);
+
 	/* enable Video */
 	gpio_request(GPIO_PTU2, NULL);
 	gpio_direction_output(GPIO_PTU2, 1);
@@ -1305,25 +1346,6 @@ static int __init arch_setup(void)
 	gpio_request(GPIO_PTU5, NULL);
 	gpio_direction_output(GPIO_PTU5, 0);
 
-#if defined(CONFIG_MMC_SH_MMCIF) || defined(CONFIG_MMC_SH_MMCIF_MODULE)
-	/* enable MMCIF (needs DS2.6,7 set to OFF,ON) */
-	gpio_request(GPIO_FN_MMC_D7, NULL);
-	gpio_request(GPIO_FN_MMC_D6, NULL);
-	gpio_request(GPIO_FN_MMC_D5, NULL);
-	gpio_request(GPIO_FN_MMC_D4, NULL);
-	gpio_request(GPIO_FN_MMC_D3, NULL);
-	gpio_request(GPIO_FN_MMC_D2, NULL);
-	gpio_request(GPIO_FN_MMC_D1, NULL);
-	gpio_request(GPIO_FN_MMC_D0, NULL);
-	gpio_request(GPIO_FN_MMC_CLK, NULL);
-	gpio_request(GPIO_FN_MMC_CMD, NULL);
-	gpio_request(GPIO_PTB7, NULL);
-	gpio_direction_output(GPIO_PTB7, 0);
-
-	/* I/O buffer drive ability is high for MMCIF */
-	__raw_writew((__raw_readw(IODRIVEA) & ~0x3000) | 0x2000 , IODRIVEA);
-#endif
-
 	/* enable I2C device */
 	i2c_register_board_info(0, i2c0_devices,
 				ARRAY_SIZE(i2c0_devices));
diff --git a/arch/sh/boards/mach-microdev/irq.c b/arch/sh/boards/mach-microdev/irq.c
index 4fb00369f0e..9a8aff33961 100644
--- a/arch/sh/boards/mach-microdev/irq.c
+++ b/arch/sh/boards/mach-microdev/irq.c
@@ -12,7 +12,6 @@
 #include <linux/init.h>
 #include <linux/irq.h>
 #include <linux/interrupt.h>
-#include <asm/system.h>
 #include <asm/io.h>
 #include <mach/microdev.h>
 
diff --git a/arch/sh/boot/Makefile b/arch/sh/boot/Makefile
index e4ea31a62c5..58592dfa5cb 100644
--- a/arch/sh/boot/Makefile
+++ b/arch/sh/boot/Makefile
@@ -8,8 +8,6 @@
 # Copyright (C) 1999 Stuart Menefy
 #
 
-MKIMAGE := $(srctree)/scripts/mkuboot.sh
-
 #
 # Assign safe dummy values if these variables are not defined,
 # in order to suppress error message.
@@ -61,10 +59,8 @@ KERNEL_ENTRY	:= $(shell /bin/bash -c 'printf "0x%08x" \
 			$(KERNEL_MEMORY) + \
 			$(CONFIG_ZERO_PAGE_OFFSET) + $(CONFIG_ENTRY_OFFSET)]')
 
-quiet_cmd_uimage = UIMAGE  $@
-      cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A sh -O linux -T kernel \
-		   -C $(2) -a $(KERNEL_LOAD) -e $(KERNEL_ENTRY) \
-		   -n 'Linux-$(KERNELRELEASE)' -d $< $@
+UIMAGE_LOADADDR = $(KERNEL_LOAD)
+UIMAGE_ENTRYADDR = $(KERNEL_ENTRY)
 
 $(obj)/vmlinux.bin: vmlinux FORCE
 	$(call if_changed,objcopy)
diff --git a/arch/sh/drivers/dma/dma-g2.c b/arch/sh/drivers/dma/dma-g2.c
index be9ca7ca0ce..e1ab6eb3c04 100644
--- a/arch/sh/drivers/dma/dma-g2.c
+++ b/arch/sh/drivers/dma/dma-g2.c
@@ -181,14 +181,14 @@ static int __init g2_dma_init(void)
 
 	ret = register_dmac(&g2_dma_info);
 	if (unlikely(ret != 0))
-		free_irq(HW_EVENT_G2_DMA, 0);
+		free_irq(HW_EVENT_G2_DMA, &g2_dma_info);
 
 	return ret;
 }
 
 static void __exit g2_dma_exit(void)
 {
-	free_irq(HW_EVENT_G2_DMA, 0);
+	free_irq(HW_EVENT_G2_DMA, &g2_dma_info);
 	unregister_dmac(&g2_dma_info);
 }
 
diff --git a/arch/sh/drivers/dma/dmabrg.c b/arch/sh/drivers/dma/dmabrg.c
index 3d66a32ce61..c0dd904483c 100644
--- a/arch/sh/drivers/dma/dmabrg.c
+++ b/arch/sh/drivers/dma/dmabrg.c
@@ -189,8 +189,8 @@ static int __init dmabrg_init(void)
 	if (ret == 0)
 		return ret;
 
-	free_irq(DMABRGI1, 0);
-out1:	free_irq(DMABRGI0, 0);
+	free_irq(DMABRGI1, NULL);
+out1:	free_irq(DMABRGI0, NULL);
 out0:	kfree(dmabrg_handlers);
 	return ret;
 }
diff --git a/arch/sh/drivers/pci/pci-sh7780.c b/arch/sh/drivers/pci/pci-sh7780.c
index fb8f1499074..5a6dab6e27d 100644
--- a/arch/sh/drivers/pci/pci-sh7780.c
+++ b/arch/sh/drivers/pci/pci-sh7780.c
@@ -21,6 +21,13 @@
 #include <asm/mmu.h>
 #include <asm/sizes.h>
 
+#if defined(CONFIG_CPU_BIG_ENDIAN)
+# define PCICR_ENDIANNESS SH4_PCICR_BSWP
+#else
+# define PCICR_ENDIANNESS 0
+#endif
+
+
 static struct resource sh7785_pci_resources[] = {
 	{
 		.name	= "PCI IO",
@@ -254,7 +261,7 @@ static int __init sh7780_pci_init(void)
 	__raw_writel(PCIECR_ENBL, PCIECR);
 
 	/* Reset */
-	__raw_writel(SH4_PCICR_PREFIX | SH4_PCICR_PRST,
+	__raw_writel(SH4_PCICR_PREFIX | SH4_PCICR_PRST | PCICR_ENDIANNESS,
 		     chan->reg_base + SH4_PCICR);
 
 	/*
@@ -290,7 +297,8 @@ static int __init sh7780_pci_init(void)
 	 * Now throw it in to register initialization mode and
 	 * start the real work.
 	 */
-	__raw_writel(SH4_PCICR_PREFIX, chan->reg_base + SH4_PCICR);
+	__raw_writel(SH4_PCICR_PREFIX | PCICR_ENDIANNESS,
+		     chan->reg_base + SH4_PCICR);
 
 	memphys = __pa(memory_start);
 	memsize = roundup_pow_of_two(memory_end - memory_start);
@@ -380,7 +388,8 @@ static int __init sh7780_pci_init(void)
 	 * Initialization mode complete, release the control register and
 	 * enable round robin mode to stop device overruns/starvation.
 	 */
-	__raw_writel(SH4_PCICR_PREFIX | SH4_PCICR_CFIN | SH4_PCICR_FTO,
+	__raw_writel(SH4_PCICR_PREFIX | SH4_PCICR_CFIN | SH4_PCICR_FTO |
+		     PCICR_ENDIANNESS,
 		     chan->reg_base + SH4_PCICR);
 
 	ret = register_pci_controller(chan);
diff --git a/arch/sh/include/asm/atomic-irq.h b/arch/sh/include/asm/atomic-irq.h
index 467d9415a32..9f7c56609e5 100644
--- a/arch/sh/include/asm/atomic-irq.h
+++ b/arch/sh/include/asm/atomic-irq.h
@@ -1,6 +1,8 @@
 #ifndef __ASM_SH_ATOMIC_IRQ_H
 #define __ASM_SH_ATOMIC_IRQ_H
 
+#include <linux/irqflags.h>
+
 /*
  * To get proper branch prediction for the main line, we must branch
  * forward to code at the end of this object's .text section, then
diff --git a/arch/sh/include/asm/atomic.h b/arch/sh/include/asm/atomic.h
index 63a27dbc952..37f2f4a5523 100644
--- a/arch/sh/include/asm/atomic.h
+++ b/arch/sh/include/asm/atomic.h
@@ -9,7 +9,7 @@
 
 #include <linux/compiler.h>
 #include <linux/types.h>
-#include <asm/system.h>
+#include <asm/cmpxchg.h>
 
 #define ATOMIC_INIT(i)	( (atomic_t) { (i) } )
 
diff --git a/arch/sh/include/asm/auxvec.h b/arch/sh/include/asm/auxvec.h
index 483effd65e0..8bcc51af936 100644
--- a/arch/sh/include/asm/auxvec.h
+++ b/arch/sh/include/asm/auxvec.h
@@ -33,4 +33,6 @@
 #define AT_L1D_CACHESHAPE	35
 #define AT_L2_CACHESHAPE	36
 
+#define AT_VECTOR_SIZE_ARCH 5 /* entries in ARCH_DLINFO */
+
 #endif /* __ASM_SH_AUXVEC_H */
diff --git a/arch/sh/include/asm/barrier.h b/arch/sh/include/asm/barrier.h
new file mode 100644
index 00000000000..72c103dae30
--- /dev/null
+++ b/arch/sh/include/asm/barrier.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 1999, 2000  Niibe Yutaka  &  Kaz Kojima
+ * Copyright (C) 2002 Paul Mundt
+ */
+#ifndef __ASM_SH_BARRIER_H
+#define __ASM_SH_BARRIER_H
+
+#if defined(CONFIG_CPU_SH4A) || defined(CONFIG_CPU_SH5)
+#include <asm/cache_insns.h>
+#endif
+
+/*
+ * A brief note on ctrl_barrier(), the control register write barrier.
+ *
+ * Legacy SH cores typically require a sequence of 8 nops after
+ * modification of a control register in order for the changes to take
+ * effect. On newer cores (like the sh4a and sh5) this is accomplished
+ * with icbi.
+ *
+ * Also note that on sh4a in the icbi case we can forego a synco for the
+ * write barrier, as it's not necessary for control registers.
+ *
+ * Historically we have only done this type of barrier for the MMUCR, but
+ * it's also necessary for the CCR, so we make it generic here instead.
+ */
+#if defined(CONFIG_CPU_SH4A) || defined(CONFIG_CPU_SH5)
+#define mb()		__asm__ __volatile__ ("synco": : :"memory")
+#define rmb()		mb()
+#define wmb()		__asm__ __volatile__ ("synco": : :"memory")
+#define ctrl_barrier()	__icbi(PAGE_OFFSET)
+#define read_barrier_depends()	do { } while(0)
+#else
+#define mb()		__asm__ __volatile__ ("": : :"memory")
+#define rmb()		mb()
+#define wmb()		__asm__ __volatile__ ("": : :"memory")
+#define ctrl_barrier()	__asm__ __volatile__ ("nop;nop;nop;nop;nop;nop;nop;nop")
+#define read_barrier_depends()	do { } while(0)
+#endif
+
+#ifdef CONFIG_SMP
+#define smp_mb()	mb()
+#define smp_rmb()	rmb()
+#define smp_wmb()	wmb()
+#define smp_read_barrier_depends()	read_barrier_depends()
+#else
+#define smp_mb()	barrier()
+#define smp_rmb()	barrier()
+#define smp_wmb()	barrier()
+#define smp_read_barrier_depends()	do { } while(0)
+#endif
+
+#define set_mb(var, value) do { (void)xchg(&var, value); } while (0)
+
+#endif /* __ASM_SH_BARRIER_H */
diff --git a/arch/sh/include/asm/bitops.h b/arch/sh/include/asm/bitops.h
index 90fa3e48b4d..ea8706d94f0 100644
--- a/arch/sh/include/asm/bitops.h
+++ b/arch/sh/include/asm/bitops.h
@@ -7,7 +7,6 @@
 #error only <linux/bitops.h> can be included directly
 #endif
 
-#include <asm/system.h>
 /* For __swab32 */
 #include <asm/byteorder.h>
 
diff --git a/arch/sh/include/asm/bl_bit.h b/arch/sh/include/asm/bl_bit.h
new file mode 100644
index 00000000000..45e6b9fc37a
--- /dev/null
+++ b/arch/sh/include/asm/bl_bit.h
@@ -0,0 +1,10 @@
+#ifndef __ASM_SH_BL_BIT_H
+#define __ASM_SH_BL_BIT_H
+
+#ifdef CONFIG_SUPERH32
+# include "bl_bit_32.h"
+#else
+# include "bl_bit_64.h"
+#endif
+
+#endif /* __ASM_SH_BL_BIT_H */
diff --git a/arch/sh/include/asm/bl_bit_32.h b/arch/sh/include/asm/bl_bit_32.h
new file mode 100644
index 00000000000..fd21eee6214
--- /dev/null
+++ b/arch/sh/include/asm/bl_bit_32.h
@@ -0,0 +1,33 @@
+#ifndef __ASM_SH_BL_BIT_32_H
+#define __ASM_SH_BL_BIT_32_H
+
+static inline void set_bl_bit(void)
+{
+	unsigned long __dummy0, __dummy1;
+
+	__asm__ __volatile__ (
+		"stc	sr, %0\n\t"
+		"or	%2, %0\n\t"
+		"and	%3, %0\n\t"
+		"ldc	%0, sr\n\t"
+		: "=&r" (__dummy0), "=r" (__dummy1)
+		: "r" (0x10000000), "r" (0xffffff0f)
+		: "memory"
+	);
+}
+
+static inline void clear_bl_bit(void)
+{
+	unsigned long __dummy0, __dummy1;
+
+	__asm__ __volatile__ (
+		"stc	sr, %0\n\t"
+		"and	%2, %0\n\t"
+		"ldc	%0, sr\n\t"
+		: "=&r" (__dummy0), "=r" (__dummy1)
+		: "1" (~0x10000000)
+		: "memory"
+	);
+}
+
+#endif /* __ASM_SH_BL_BIT_32_H */
diff --git a/arch/sh/include/asm/bl_bit_64.h b/arch/sh/include/asm/bl_bit_64.h
new file mode 100644
index 00000000000..6cc8711af43
--- /dev/null
+++ b/arch/sh/include/asm/bl_bit_64.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2000, 2001  Paolo Alberelli
+ * Copyright (C) 2003  Paul Mundt
+ * Copyright (C) 2004  Richard Curnow
+ *
+ * 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 __ASM_SH_BL_BIT_64_H
+#define __ASM_SH_BL_BIT_64_H
+
+#include <asm/processor.h>
+
+#define SR_BL_LL	0x0000000010000000LL
+
+static inline void set_bl_bit(void)
+{
+	unsigned long long __dummy0, __dummy1 = SR_BL_LL;
+
+	__asm__ __volatile__("getcon	" __SR ", %0\n\t"
+			     "or	%0, %1, %0\n\t"
+			     "putcon	%0, " __SR "\n\t"
+			     : "=&r" (__dummy0)
+			     : "r" (__dummy1));
+
+}
+
+static inline void clear_bl_bit(void)
+{
+	unsigned long long __dummy0, __dummy1 = ~SR_BL_LL;
+
+	__asm__ __volatile__("getcon	" __SR ", %0\n\t"
+			     "and	%0, %1, %0\n\t"
+			     "putcon	%0, " __SR "\n\t"
+			     : "=&r" (__dummy0)
+			     : "r" (__dummy1));
+}
+
+#endif /* __ASM_SH_BL_BIT_64_H */
diff --git a/arch/sh/include/asm/bug.h b/arch/sh/include/asm/bug.h
index 6323f864d11..2b87d86bfc4 100644
--- a/arch/sh/include/asm/bug.h
+++ b/arch/sh/include/asm/bug.h
@@ -1,6 +1,8 @@
 #ifndef __ASM_SH_BUG_H
 #define __ASM_SH_BUG_H
 
+#include <linux/linkage.h>
+
 #define TRAPA_BUG_OPCODE	0xc33e	/* trapa #0x3e */
 #define BUGFLAG_UNWINDER	(1 << 1)
 
@@ -107,4 +109,7 @@ do {							\
 
 #include <asm-generic/bug.h>
 
+struct pt_regs;
+extern void die(const char *str, struct pt_regs *regs, long err) __attribute__ ((noreturn));
+
 #endif /* __ASM_SH_BUG_H */
diff --git a/arch/sh/include/asm/cache_insns.h b/arch/sh/include/asm/cache_insns.h
new file mode 100644
index 00000000000..d25fbe53090
--- /dev/null
+++ b/arch/sh/include/asm/cache_insns.h
@@ -0,0 +1,11 @@
+#ifndef __ASM_SH_CACHE_INSNS_H
+#define __ASM_SH_CACHE_INSNS_H
+
+
+#ifdef CONFIG_SUPERH32
+# include "cache_insns_32.h"
+#else
+# include "cache_insns_64.h"
+#endif
+
+#endif /* __ASM_SH_CACHE_INSNS_H */
diff --git a/arch/sh/include/asm/cache_insns_32.h b/arch/sh/include/asm/cache_insns_32.h
new file mode 100644
index 00000000000..b92fe541609
--- /dev/null
+++ b/arch/sh/include/asm/cache_insns_32.h
@@ -0,0 +1,21 @@
+#ifndef __ASM_SH_CACHE_INSNS_32_H
+#define __ASM_SH_CACHE_INSNS_32_H
+
+#include <linux/types.h>
+
+#if defined(CONFIG_CPU_SH4A)
+#define __icbi(addr)	__asm__ __volatile__ ( "icbi @%0\n\t" : : "r" (addr))
+#else
+#define __icbi(addr)	mb()
+#endif
+
+#define __ocbp(addr)	__asm__ __volatile__ ( "ocbp @%0\n\t" : : "r" (addr))
+#define __ocbi(addr)	__asm__ __volatile__ ( "ocbi @%0\n\t" : : "r" (addr))
+#define __ocbwb(addr)	__asm__ __volatile__ ( "ocbwb @%0\n\t" : : "r" (addr))
+
+static inline reg_size_t register_align(void *val)
+{
+	return (unsigned long)(signed long)val;
+}
+
+#endif /* __ASM_SH_CACHE_INSNS_32_H */
diff --git a/arch/sh/include/asm/cache_insns_64.h b/arch/sh/include/asm/cache_insns_64.h
new file mode 100644
index 00000000000..70b6357eaf1
--- /dev/null
+++ b/arch/sh/include/asm/cache_insns_64.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2000, 2001  Paolo Alberelli
+ * Copyright (C) 2003  Paul Mundt
+ * Copyright (C) 2004  Richard Curnow
+ *
+ * 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 __ASM_SH_CACHE_INSNS_64_H
+#define __ASM_SH_CACHE_INSNS_64_H
+
+#define __icbi(addr)	__asm__ __volatile__ ( "icbi %0, 0\n\t" : : "r" (addr))
+#define __ocbp(addr)	__asm__ __volatile__ ( "ocbp %0, 0\n\t" : : "r" (addr))
+#define __ocbi(addr)	__asm__ __volatile__ ( "ocbi %0, 0\n\t" : : "r" (addr))
+#define __ocbwb(addr)	__asm__ __volatile__ ( "ocbwb %0, 0\n\t" : : "r" (addr))
+
+static inline reg_size_t register_align(void *val)
+{
+	return (unsigned long long)(signed long long)(signed long)val;
+}
+
+#endif /* __ASM_SH_CACHE_INSNS_64_H */
diff --git a/arch/sh/include/asm/cmpxchg-irq.h b/arch/sh/include/asm/cmpxchg-irq.h
index 43049ec0554..bd11f630414 100644
--- a/arch/sh/include/asm/cmpxchg-irq.h
+++ b/arch/sh/include/asm/cmpxchg-irq.h
@@ -1,6 +1,8 @@
 #ifndef __ASM_SH_CMPXCHG_IRQ_H
 #define __ASM_SH_CMPXCHG_IRQ_H
 
+#include <linux/irqflags.h>
+
 static inline unsigned long xchg_u32(volatile u32 *m, unsigned long val)
 {
 	unsigned long flags, retval;
diff --git a/arch/sh/include/asm/cmpxchg.h b/arch/sh/include/asm/cmpxchg.h
new file mode 100644
index 00000000000..f6bd1406b89
--- /dev/null
+++ b/arch/sh/include/asm/cmpxchg.h
@@ -0,0 +1,70 @@
+#ifndef __ASM_SH_CMPXCHG_H
+#define __ASM_SH_CMPXCHG_H
+
+/*
+ * Atomic operations that C can't guarantee us.  Useful for
+ * resource counting etc..
+ */
+
+#include <linux/compiler.h>
+#include <linux/types.h>
+
+#if defined(CONFIG_GUSA_RB)
+#include <asm/cmpxchg-grb.h>
+#elif defined(CONFIG_CPU_SH4A)
+#include <asm/cmpxchg-llsc.h>
+#else
+#include <asm/cmpxchg-irq.h>
+#endif
+
+extern void __xchg_called_with_bad_pointer(void);
+
+#define __xchg(ptr, x, size)				\
+({							\
+	unsigned long __xchg__res;			\
+	volatile void *__xchg_ptr = (ptr);		\
+	switch (size) {					\
+	case 4:						\
+		__xchg__res = xchg_u32(__xchg_ptr, x);	\
+		break;					\
+	case 1:						\
+		__xchg__res = xchg_u8(__xchg_ptr, x);	\
+		break;					\
+	default:					\
+		__xchg_called_with_bad_pointer();	\
+		__xchg__res = x;			\
+		break;					\
+	}						\
+							\
+	__xchg__res;					\
+})
+
+#define xchg(ptr,x)	\
+	((__typeof__(*(ptr)))__xchg((ptr),(unsigned long)(x), sizeof(*(ptr))))
+
+/* This function doesn't exist, so you'll get a linker error
+ * if something tries to do an invalid cmpxchg(). */
+extern void __cmpxchg_called_with_bad_pointer(void);
+
+#define __HAVE_ARCH_CMPXCHG 1
+
+static inline unsigned long __cmpxchg(volatile void * ptr, unsigned long old,
+		unsigned long new, int size)
+{
+	switch (size) {
+	case 4:
+		return __cmpxchg_u32(ptr, old, new);
+	}
+	__cmpxchg_called_with_bad_pointer();
+	return old;
+}
+
+#define cmpxchg(ptr,o,n)						 \
+  ({									 \
+     __typeof__(*(ptr)) _o_ = (o);					 \
+     __typeof__(*(ptr)) _n_ = (n);					 \
+     (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_,		 \
+				    (unsigned long)_n_, sizeof(*(ptr))); \
+  })
+
+#endif /* __ASM_SH_CMPXCHG_H */
diff --git a/arch/sh/include/asm/dma-mapping.h b/arch/sh/include/asm/dma-mapping.h
index 1a73c3e759a..8bd965e00a1 100644
--- a/arch/sh/include/asm/dma-mapping.h
+++ b/arch/sh/include/asm/dma-mapping.h
@@ -52,25 +52,31 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
 	return dma_addr == 0;
 }
 
-static inline void *dma_alloc_coherent(struct device *dev, size_t size,
-				       dma_addr_t *dma_handle, gfp_t gfp)
+#define dma_alloc_coherent(d,s,h,f)	dma_alloc_attrs(d,s,h,f,NULL)
+
+static inline void *dma_alloc_attrs(struct device *dev, size_t size,
+				    dma_addr_t *dma_handle, gfp_t gfp,
+				    struct dma_attrs *attrs)
 {
 	struct dma_map_ops *ops = get_dma_ops(dev);
 	void *memory;
 
 	if (dma_alloc_from_coherent(dev, size, dma_handle, &memory))
 		return memory;
-	if (!ops->alloc_coherent)
+	if (!ops->alloc)
 		return NULL;
 
-	memory = ops->alloc_coherent(dev, size, dma_handle, gfp);
+	memory = ops->alloc(dev, size, dma_handle, gfp, attrs);
 	debug_dma_alloc_coherent(dev, size, *dma_handle, memory);
 
 	return memory;
 }
 
-static inline void dma_free_coherent(struct device *dev, size_t size,
-				     void *vaddr, dma_addr_t dma_handle)
+#define dma_free_coherent(d,s,c,h) dma_free_attrs(d,s,c,h,NULL)
+
+static inline void dma_free_attrs(struct device *dev, size_t size,
+				  void *vaddr, dma_addr_t dma_handle,
+				  struct dma_attrs *attrs)
 {
 	struct dma_map_ops *ops = get_dma_ops(dev);
 
@@ -78,14 +84,16 @@ static inline void dma_free_coherent(struct device *dev, size_t size,
 		return;
 
 	debug_dma_free_coherent(dev, size, vaddr, dma_handle);
-	if (ops->free_coherent)
-		ops->free_coherent(dev, size, vaddr, dma_handle);
+	if (ops->free)
+		ops->free(dev, size, vaddr, dma_handle, attrs);
 }
 
 /* arch/sh/mm/consistent.c */
 extern void *dma_generic_alloc_coherent(struct device *dev, size_t size,
-					dma_addr_t *dma_addr, gfp_t flag);
+					dma_addr_t *dma_addr, gfp_t flag,
+					struct dma_attrs *attrs);
 extern void dma_generic_free_coherent(struct device *dev, size_t size,
-				      void *vaddr, dma_addr_t dma_handle);
+				      void *vaddr, dma_addr_t dma_handle,
+				      struct dma_attrs *attrs);
 
 #endif /* __ASM_SH_DMA_MAPPING_H */
diff --git a/arch/sh/include/asm/exec.h b/arch/sh/include/asm/exec.h
new file mode 100644
index 00000000000..69486a9497f
--- /dev/null
+++ b/arch/sh/include/asm/exec.h
@@ -0,0 +1,10 @@
+/*
+ * Copyright (C) 1999, 2000  Niibe Yutaka  &  Kaz Kojima
+ * Copyright (C) 2002 Paul Mundt
+ */
+#ifndef __ASM_SH_EXEC_H
+#define __ASM_SH_EXEC_H
+
+#define arch_align_stack(x) (x)
+
+#endif /* __ASM_SH_EXEC_H */
diff --git a/arch/sh/include/asm/futex-irq.h b/arch/sh/include/asm/futex-irq.h
index 6cb9f193a95..63d33129ea2 100644
--- a/arch/sh/include/asm/futex-irq.h
+++ b/arch/sh/include/asm/futex-irq.h
@@ -1,7 +1,6 @@
 #ifndef __ASM_SH_FUTEX_IRQ_H
 #define __ASM_SH_FUTEX_IRQ_H
 
-#include <asm/system.h>
 
 static inline int atomic_futex_op_xchg_set(int oparg, u32 __user *uaddr,
 					   int *oldval)
diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h
index 28c5aa58bb4..ec464a6b95f 100644
--- a/arch/sh/include/asm/io.h
+++ b/arch/sh/include/asm/io.h
@@ -14,7 +14,6 @@
  */
 #include <linux/errno.h>
 #include <asm/cache.h>
-#include <asm/system.h>
 #include <asm/addrspace.h>
 #include <asm/machvec.h>
 #include <asm/pgtable.h>
@@ -24,6 +23,7 @@
 #define __IO_PREFIX     generic
 #include <asm/io_generic.h>
 #include <asm/io_trapped.h>
+#include <mach/mangle-port.h>
 
 #define __raw_writeb(v,a)	(__chk_io_ptr(a), *(volatile u8  __force *)(a) = (v))
 #define __raw_writew(v,a)	(__chk_io_ptr(a), *(volatile u16 __force *)(a) = (v))
@@ -35,21 +35,15 @@
 #define __raw_readl(a)		(__chk_io_ptr(a), *(volatile u32 __force *)(a))
 #define __raw_readq(a)		(__chk_io_ptr(a), *(volatile u64 __force *)(a))
 
-#define readb_relaxed(c)	({ u8  __v = __raw_readb(c); __v; })
-#define readw_relaxed(c)	({ u16 __v = le16_to_cpu((__force __le16) \
-					__raw_readw(c)); __v; })
-#define readl_relaxed(c)	({ u32 __v = le32_to_cpu((__force __le32) \
-					__raw_readl(c)); __v; })
-#define readq_relaxed(c)	({ u64 __v = le64_to_cpu((__force __le64) \
-					__raw_readq(c)); __v; })
-
-#define writeb_relaxed(v,c)	((void)__raw_writeb(v,c))
-#define writew_relaxed(v,c)	((void)__raw_writew((__force u16) \
-					cpu_to_le16(v),c))
-#define writel_relaxed(v,c)	((void)__raw_writel((__force u32) \
-					cpu_to_le32(v),c))
-#define writeq_relaxed(v,c)	((void)__raw_writeq((__force u64) \
-					cpu_to_le64(v),c))
+#define readb_relaxed(c)	({ u8  __v = ioswabb(__raw_readb(c)); __v; })
+#define readw_relaxed(c)	({ u16 __v = ioswabw(__raw_readw(c)); __v; })
+#define readl_relaxed(c)	({ u32 __v = ioswabl(__raw_readl(c)); __v; })
+#define readq_relaxed(c)	({ u64 __v = ioswabq(__raw_readq(c)); __v; })
+
+#define writeb_relaxed(v,c)	((void)__raw_writeb((__force  u8)ioswabb(v),c))
+#define writew_relaxed(v,c)	((void)__raw_writew((__force u16)ioswabw(v),c))
+#define writel_relaxed(v,c)	((void)__raw_writel((__force u32)ioswabl(v),c))
+#define writeq_relaxed(v,c)	((void)__raw_writeq((__force u64)ioswabq(v),c))
 
 #define readb(a)		({ u8  r_ = readb_relaxed(a); rmb(); r_; })
 #define readw(a)		({ u16 r_ = readw_relaxed(a); rmb(); r_; })
diff --git a/arch/sh/include/asm/irq.h b/arch/sh/include/asm/irq.h
index 45d08b6a5ef..2a62017eb27 100644
--- a/arch/sh/include/asm/irq.h
+++ b/arch/sh/include/asm/irq.h
@@ -21,17 +21,6 @@
 #define NO_IRQ_IGNORE		((unsigned int)-1)
 
 /*
- * Convert back and forth between INTEVT and IRQ values.
- */
-#ifdef CONFIG_CPU_HAS_INTEVT
-#define evt2irq(evt)		(((evt) >> 5) - 16)
-#define irq2evt(irq)		(((irq) + 16) << 5)
-#else
-#define evt2irq(evt)		(evt)
-#define irq2evt(irq)		(irq)
-#endif
-
-/*
  * Simple Mask Register Support
  */
 extern void make_maskreg_irq(unsigned int irq);
diff --git a/arch/sh/include/asm/posix_types_32.h b/arch/sh/include/asm/posix_types_32.h
index 6a9ceaaf1ae..abda58467ec 100644
--- a/arch/sh/include/asm/posix_types_32.h
+++ b/arch/sh/include/asm/posix_types_32.h
@@ -12,11 +12,6 @@ typedef unsigned short	__kernel_uid_t;
 typedef unsigned short	__kernel_gid_t;
 #define __kernel_gid_t __kernel_gid_t
 
-typedef unsigned int	__kernel_uid32_t;
-#define __kernel_uid32_t __kernel_uid32_t
-typedef unsigned int	__kernel_gid32_t;
-#define __kernel_gid32_t __kernel_gid32_t
-
 typedef unsigned short	__kernel_old_uid_t;
 #define __kernel_old_uid_t __kernel_old_uid_t
 typedef unsigned short	__kernel_old_gid_t;
diff --git a/arch/sh/include/asm/posix_types_64.h b/arch/sh/include/asm/posix_types_64.h
index 8cd11485c06..fcda07b4a61 100644
--- a/arch/sh/include/asm/posix_types_64.h
+++ b/arch/sh/include/asm/posix_types_64.h
@@ -17,10 +17,6 @@ typedef int		__kernel_ssize_t;
 #define __kernel_ssize_t __kernel_ssize_t
 typedef int		__kernel_ptrdiff_t;
 #define __kernel_ptrdiff_t __kernel_ptrdiff_t
-typedef unsigned int	__kernel_uid32_t;
-#define __kernel_uid32_t __kernel_uid32_t
-typedef unsigned int	__kernel_gid32_t;
-#define __kernel_gid32_t __kernel_gid32_t
 
 typedef unsigned short	__kernel_old_uid_t;
 #define __kernel_old_uid_t __kernel_old_uid_t
diff --git a/arch/sh/include/asm/processor.h b/arch/sh/include/asm/processor.h
index 9c7bdfcaebb..a229c393826 100644
--- a/arch/sh/include/asm/processor.h
+++ b/arch/sh/include/asm/processor.h
@@ -101,6 +101,10 @@ extern struct sh_cpuinfo cpu_data[];
 #define cpu_sleep()	__asm__ __volatile__ ("sleep" : : : "memory")
 #define cpu_relax()	barrier()
 
+void default_idle(void);
+void cpu_idle_wait(void);
+void stop_this_cpu(void *);
+
 /* Forward decl */
 struct seq_operations;
 struct task_struct;
@@ -161,6 +165,17 @@ int vsyscall_init(void);
 #define vsyscall_init() do { } while (0)
 #endif
 
+/*
+ * SH-2A has both 16 and 32-bit opcodes, do lame encoding checks.
+ */
+#ifdef CONFIG_CPU_SH2A
+extern unsigned int instruction_size(unsigned int insn);
+#elif defined(CONFIG_SUPERH32)
+#define instruction_size(insn)	(2)
+#else
+#define instruction_size(insn)	(4)
+#endif
+
 #endif /* __ASSEMBLY__ */
 
 #ifdef CONFIG_SUPERH32
diff --git a/arch/sh/include/asm/ptrace.h b/arch/sh/include/asm/ptrace.h
index 2d3679b2447..c7b7e1ed194 100644
--- a/arch/sh/include/asm/ptrace.h
+++ b/arch/sh/include/asm/ptrace.h
@@ -37,7 +37,6 @@
 #include <linux/thread_info.h>
 #include <asm/addrspace.h>
 #include <asm/page.h>
-#include <asm/system.h>
 
 #define user_mode(regs)			(((regs)->sr & 0x40000000)==0)
 #define kernel_stack_pointer(_regs)	((unsigned long)(_regs)->regs[15])
diff --git a/arch/sh/include/asm/setup.h b/arch/sh/include/asm/setup.h
index 01fa17a3d75..465a22df8fd 100644
--- a/arch/sh/include/asm/setup.h
+++ b/arch/sh/include/asm/setup.h
@@ -20,6 +20,7 @@
 
 void sh_mv_setup(void);
 void check_for_initrd(void);
+void per_cpu_trap_init(void);
 
 #endif /* __KERNEL__ */
 
diff --git a/arch/sh/include/asm/switch_to.h b/arch/sh/include/asm/switch_to.h
new file mode 100644
index 00000000000..62b1941813e
--- /dev/null
+++ b/arch/sh/include/asm/switch_to.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) 2000, 2001  Paolo Alberelli
+ * Copyright (C) 2003  Paul Mundt
+ * Copyright (C) 2004  Richard Curnow
+ *
+ * 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 __ASM_SH_SWITCH_TO_H
+#define __ASM_SH_SWITCH_TO_H
+
+#ifdef CONFIG_SUPERH32
+# include "switch_to_32.h"
+#else
+# include "switch_to_64.h"
+#endif
+
+#endif /* __ASM_SH_SWITCH_TO_H */
diff --git a/arch/sh/include/asm/system_32.h b/arch/sh/include/asm/switch_to_32.h
index a4ad1cd9bc4..0c065513e7a 100644
--- a/arch/sh/include/asm/system_32.h
+++ b/arch/sh/include/asm/switch_to_32.h
@@ -1,8 +1,5 @@
-#ifndef __ASM_SH_SYSTEM_32_H
-#define __ASM_SH_SYSTEM_32_H
-
-#include <linux/types.h>
-#include <asm/mmu.h>
+#ifndef __ASM_SH_SWITCH_TO_32_H
+#define __ASM_SH_SWITCH_TO_32_H
 
 #ifdef CONFIG_SH_DSP
 
@@ -32,7 +29,6 @@ do {									\
 		: : "r" (__ts2));					\
 } while (0)
 
-
 #define __save_dsp(tsk)							\
 do {									\
 	register u32 *__ts2 __asm__ ("r2") =				\
@@ -64,16 +60,6 @@ do {									\
 #define __restore_dsp(tsk)	do { } while (0)
 #endif
 
-#if defined(CONFIG_CPU_SH4A)
-#define __icbi(addr)	__asm__ __volatile__ ( "icbi @%0\n\t" : : "r" (addr))
-#else
-#define __icbi(addr)	mb()
-#endif
-
-#define __ocbp(addr)	__asm__ __volatile__ ( "ocbp @%0\n\t" : : "r" (addr))
-#define __ocbi(addr)	__asm__ __volatile__ ( "ocbi @%0\n\t" : : "r" (addr))
-#define __ocbwb(addr)	__asm__ __volatile__ ( "ocbwb @%0\n\t" : : "r" (addr))
-
 struct task_struct *__switch_to(struct task_struct *prev,
 				struct task_struct *next);
 
@@ -145,92 +131,4 @@ do {								\
 		__restore_dsp(prev);				\
 } while (0)
 
-#ifdef CONFIG_CPU_HAS_SR_RB
-#define lookup_exception_vector()	\
-({					\
-	unsigned long _vec;		\
-					\
-	__asm__ __volatile__ (		\
-		"stc r2_bank, %0\n\t"	\
-		: "=r" (_vec)		\
-	);				\
-					\
-	_vec;				\
-})
-#else
-#define lookup_exception_vector()	\
-({					\
-	unsigned long _vec;		\
-	__asm__ __volatile__ (		\
-		"mov r4, %0\n\t"	\
-		: "=r" (_vec)		\
-	);				\
-					\
-	_vec;				\
-})
-#endif
-
-static inline reg_size_t register_align(void *val)
-{
-	return (unsigned long)(signed long)val;
-}
-
-int handle_unaligned_access(insn_size_t instruction, struct pt_regs *regs,
-			    struct mem_access *ma, int, unsigned long address);
-
-static inline void trigger_address_error(void)
-{
-	__asm__ __volatile__ (
-		"ldc %0, sr\n\t"
-		"mov.l @%1, %0"
-		:
-		: "r" (0x10000000), "r" (0x80000001)
-	);
-}
-
-asmlinkage void do_address_error(struct pt_regs *regs,
-				 unsigned long writeaccess,
-				 unsigned long address);
-asmlinkage void do_divide_error(unsigned long r4, unsigned long r5,
-				unsigned long r6, unsigned long r7,
-				struct pt_regs __regs);
-asmlinkage void do_reserved_inst(unsigned long r4, unsigned long r5,
-				unsigned long r6, unsigned long r7,
-				struct pt_regs __regs);
-asmlinkage void do_illegal_slot_inst(unsigned long r4, unsigned long r5,
-				unsigned long r6, unsigned long r7,
-				struct pt_regs __regs);
-asmlinkage void do_exception_error(unsigned long r4, unsigned long r5,
-				   unsigned long r6, unsigned long r7,
-				   struct pt_regs __regs);
-
-static inline void set_bl_bit(void)
-{
-	unsigned long __dummy0, __dummy1;
-
-	__asm__ __volatile__ (
-		"stc	sr, %0\n\t"
-		"or	%2, %0\n\t"
-		"and	%3, %0\n\t"
-		"ldc	%0, sr\n\t"
-		: "=&r" (__dummy0), "=r" (__dummy1)
-		: "r" (0x10000000), "r" (0xffffff0f)
-		: "memory"
-	);
-}
-
-static inline void clear_bl_bit(void)
-{
-	unsigned long __dummy0, __dummy1;
-
-	__asm__ __volatile__ (
-		"stc	sr, %0\n\t"
-		"and	%2, %0\n\t"
-		"ldc	%0, sr\n\t"
-		: "=&r" (__dummy0), "=r" (__dummy1)
-		: "1" (~0x10000000)
-		: "memory"
-	);
-}
-
-#endif /* __ASM_SH_SYSTEM_32_H */
+#endif /* __ASM_SH_SWITCH_TO_32_H */
diff --git a/arch/sh/include/asm/switch_to_64.h b/arch/sh/include/asm/switch_to_64.h
new file mode 100644
index 00000000000..ba3129d6bc2
--- /dev/null
+++ b/arch/sh/include/asm/switch_to_64.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2000, 2001  Paolo Alberelli
+ * Copyright (C) 2003  Paul Mundt
+ * Copyright (C) 2004  Richard Curnow
+ *
+ * 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 __ASM_SH_SWITCH_TO_64_H
+#define __ASM_SH_SWITCH_TO_64_H
+
+struct thread_struct;
+struct task_struct;
+
+/*
+ *	switch_to() should switch tasks to task nr n, first
+ */
+struct task_struct *sh64_switch_to(struct task_struct *prev,
+				   struct thread_struct *prev_thread,
+				   struct task_struct *next,
+				   struct thread_struct *next_thread);
+
+#define switch_to(prev,next,last)				\
+do {								\
+	if (last_task_used_math != next) {			\
+		struct pt_regs *regs = next->thread.uregs;	\
+		if (regs) regs->sr |= SR_FD;			\
+	}							\
+	last = sh64_switch_to(prev, &prev->thread, next,	\
+			      &next->thread);			\
+} while (0)
+
+
+#endif /* __ASM_SH_SWITCH_TO_64_H */
diff --git a/arch/sh/include/asm/system.h b/arch/sh/include/asm/system.h
deleted file mode 100644
index 10c8b1823a1..00000000000
--- a/arch/sh/include/asm/system.h
+++ /dev/null
@@ -1,184 +0,0 @@
-#ifndef __ASM_SH_SYSTEM_H
-#define __ASM_SH_SYSTEM_H
-
-/*
- * Copyright (C) 1999, 2000  Niibe Yutaka  &  Kaz Kojima
- * Copyright (C) 2002 Paul Mundt
- */
-
-#include <linux/irqflags.h>
-#include <linux/compiler.h>
-#include <linux/linkage.h>
-#include <asm/types.h>
-#include <asm/uncached.h>
-
-#define AT_VECTOR_SIZE_ARCH 5 /* entries in ARCH_DLINFO */
-
-/*
- * A brief note on ctrl_barrier(), the control register write barrier.
- *
- * Legacy SH cores typically require a sequence of 8 nops after
- * modification of a control register in order for the changes to take
- * effect. On newer cores (like the sh4a and sh5) this is accomplished
- * with icbi.
- *
- * Also note that on sh4a in the icbi case we can forego a synco for the
- * write barrier, as it's not necessary for control registers.
- *
- * Historically we have only done this type of barrier for the MMUCR, but
- * it's also necessary for the CCR, so we make it generic here instead.
- */
-#if defined(CONFIG_CPU_SH4A) || defined(CONFIG_CPU_SH5)
-#define mb()		__asm__ __volatile__ ("synco": : :"memory")
-#define rmb()		mb()
-#define wmb()		__asm__ __volatile__ ("synco": : :"memory")
-#define ctrl_barrier()	__icbi(PAGE_OFFSET)
-#define read_barrier_depends()	do { } while(0)
-#else
-#define mb()		__asm__ __volatile__ ("": : :"memory")
-#define rmb()		mb()
-#define wmb()		__asm__ __volatile__ ("": : :"memory")
-#define ctrl_barrier()	__asm__ __volatile__ ("nop;nop;nop;nop;nop;nop;nop;nop")
-#define read_barrier_depends()	do { } while(0)
-#endif
-
-#ifdef CONFIG_SMP
-#define smp_mb()	mb()
-#define smp_rmb()	rmb()
-#define smp_wmb()	wmb()
-#define smp_read_barrier_depends()	read_barrier_depends()
-#else
-#define smp_mb()	barrier()
-#define smp_rmb()	barrier()
-#define smp_wmb()	barrier()
-#define smp_read_barrier_depends()	do { } while(0)
-#endif
-
-#define set_mb(var, value) do { (void)xchg(&var, value); } while (0)
-
-#ifdef CONFIG_GUSA_RB
-#include <asm/cmpxchg-grb.h>
-#elif defined(CONFIG_CPU_SH4A)
-#include <asm/cmpxchg-llsc.h>
-#else
-#include <asm/cmpxchg-irq.h>
-#endif
-
-extern void __xchg_called_with_bad_pointer(void);
-
-#define __xchg(ptr, x, size)				\
-({							\
-	unsigned long __xchg__res;			\
-	volatile void *__xchg_ptr = (ptr);		\
-	switch (size) {					\
-	case 4:						\
-		__xchg__res = xchg_u32(__xchg_ptr, x);	\
-		break;					\
-	case 1:						\
-		__xchg__res = xchg_u8(__xchg_ptr, x);	\
-		break;					\
-	default:					\
-		__xchg_called_with_bad_pointer();	\
-		__xchg__res = x;			\
-		break;					\
-	}						\
-							\
-	__xchg__res;					\
-})
-
-#define xchg(ptr,x)	\
-	((__typeof__(*(ptr)))__xchg((ptr),(unsigned long)(x), sizeof(*(ptr))))
-
-/* This function doesn't exist, so you'll get a linker error
- * if something tries to do an invalid cmpxchg(). */
-extern void __cmpxchg_called_with_bad_pointer(void);
-
-#define __HAVE_ARCH_CMPXCHG 1
-
-static inline unsigned long __cmpxchg(volatile void * ptr, unsigned long old,
-		unsigned long new, int size)
-{
-	switch (size) {
-	case 4:
-		return __cmpxchg_u32(ptr, old, new);
-	}
-	__cmpxchg_called_with_bad_pointer();
-	return old;
-}
-
-#define cmpxchg(ptr,o,n)						 \
-  ({									 \
-     __typeof__(*(ptr)) _o_ = (o);					 \
-     __typeof__(*(ptr)) _n_ = (n);					 \
-     (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_,		 \
-				    (unsigned long)_n_, sizeof(*(ptr))); \
-  })
-
-struct pt_regs;
-
-extern void die(const char *str, struct pt_regs *regs, long err) __attribute__ ((noreturn));
-void free_initmem(void);
-void free_initrd_mem(unsigned long start, unsigned long end);
-
-extern void *set_exception_table_vec(unsigned int vec, void *handler);
-
-static inline void *set_exception_table_evt(unsigned int evt, void *handler)
-{
-	return set_exception_table_vec(evt >> 5, handler);
-}
-
-/*
- * SH-2A has both 16 and 32-bit opcodes, do lame encoding checks.
- */
-#ifdef CONFIG_CPU_SH2A
-extern unsigned int instruction_size(unsigned int insn);
-#elif defined(CONFIG_SUPERH32)
-#define instruction_size(insn)	(2)
-#else
-#define instruction_size(insn)	(4)
-#endif
-
-void per_cpu_trap_init(void);
-void default_idle(void);
-void cpu_idle_wait(void);
-void stop_this_cpu(void *);
-
-#ifdef CONFIG_SUPERH32
-#define BUILD_TRAP_HANDLER(name)					\
-asmlinkage void name##_trap_handler(unsigned long r4, unsigned long r5,	\
-				    unsigned long r6, unsigned long r7,	\
-				    struct pt_regs __regs)
-
-#define TRAP_HANDLER_DECL				\
-	struct pt_regs *regs = RELOC_HIDE(&__regs, 0);	\
-	unsigned int vec = regs->tra;			\
-	(void)vec;
-#else
-#define BUILD_TRAP_HANDLER(name)	\
-asmlinkage void name##_trap_handler(unsigned int vec, struct pt_regs *regs)
-#define TRAP_HANDLER_DECL
-#endif
-
-BUILD_TRAP_HANDLER(address_error);
-BUILD_TRAP_HANDLER(debug);
-BUILD_TRAP_HANDLER(bug);
-BUILD_TRAP_HANDLER(breakpoint);
-BUILD_TRAP_HANDLER(singlestep);
-BUILD_TRAP_HANDLER(fpu_error);
-BUILD_TRAP_HANDLER(fpu_state_restore);
-BUILD_TRAP_HANDLER(nmi);
-
-#define arch_align_stack(x) (x)
-
-struct mem_access {
-	unsigned long (*from)(void *dst, const void __user *src, unsigned long cnt);
-	unsigned long (*to)(void __user *dst, const void *src, unsigned long cnt);
-};
-
-#ifdef CONFIG_SUPERH32
-# include "system_32.h"
-#else
-# include "system_64.h"
-#endif
-
-#endif
diff --git a/arch/sh/include/asm/system_64.h b/arch/sh/include/asm/system_64.h
deleted file mode 100644
index 8593bc8d1a4..00000000000
--- a/arch/sh/include/asm/system_64.h
+++ /dev/null
@@ -1,79 +0,0 @@
-#ifndef __ASM_SH_SYSTEM_64_H
-#define __ASM_SH_SYSTEM_64_H
-
-/*
- * include/asm-sh/system_64.h
- *
- * Copyright (C) 2000, 2001  Paolo Alberelli
- * Copyright (C) 2003  Paul Mundt
- * Copyright (C) 2004  Richard Curnow
- *
- * 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 <cpu/registers.h>
-#include <asm/processor.h>
-
-/*
- *	switch_to() should switch tasks to task nr n, first
- */
-struct thread_struct;
-struct task_struct *sh64_switch_to(struct task_struct *prev,
-				   struct thread_struct *prev_thread,
-				   struct task_struct *next,
-				   struct thread_struct *next_thread);
-
-#define switch_to(prev,next,last)				\
-do {								\
-	if (last_task_used_math != next) {			\
-		struct pt_regs *regs = next->thread.uregs;	\
-		if (regs) regs->sr |= SR_FD;			\
-	}							\
-	last = sh64_switch_to(prev, &prev->thread, next,	\
-			      &next->thread);			\
-} while (0)
-
-#define __icbi(addr)	__asm__ __volatile__ ( "icbi %0, 0\n\t" : : "r" (addr))
-#define __ocbp(addr)	__asm__ __volatile__ ( "ocbp %0, 0\n\t" : : "r" (addr))
-#define __ocbi(addr)	__asm__ __volatile__ ( "ocbi %0, 0\n\t" : : "r" (addr))
-#define __ocbwb(addr)	__asm__ __volatile__ ( "ocbwb %0, 0\n\t" : : "r" (addr))
-
-static inline reg_size_t register_align(void *val)
-{
-	return (unsigned long long)(signed long long)(signed long)val;
-}
-
-extern void phys_stext(void);
-
-static inline void trigger_address_error(void)
-{
-	phys_stext();
-}
-
-#define SR_BL_LL	0x0000000010000000LL
-
-static inline void set_bl_bit(void)
-{
-	unsigned long long __dummy0, __dummy1 = SR_BL_LL;
-
-	__asm__ __volatile__("getcon	" __SR ", %0\n\t"
-			     "or	%0, %1, %0\n\t"
-			     "putcon	%0, " __SR "\n\t"
-			     : "=&r" (__dummy0)
-			     : "r" (__dummy1));
-
-}
-
-static inline void clear_bl_bit(void)
-{
-	unsigned long long __dummy0, __dummy1 = ~SR_BL_LL;
-
-	__asm__ __volatile__("getcon	" __SR ", %0\n\t"
-			     "and	%0, %1, %0\n\t"
-			     "putcon	%0, " __SR "\n\t"
-			     : "=&r" (__dummy0)
-			     : "r" (__dummy1));
-}
-
-#endif /* __ASM_SH_SYSTEM_64_H */
diff --git a/arch/sh/include/asm/traps.h b/arch/sh/include/asm/traps.h
new file mode 100644
index 00000000000..afd9df8d064
--- /dev/null
+++ b/arch/sh/include/asm/traps.h
@@ -0,0 +1,21 @@
+#ifndef __ASM_SH_TRAPS_H
+#define __ASM_SH_TRAPS_H
+
+#include <linux/compiler.h>
+
+#ifdef CONFIG_SUPERH32
+# include "traps_32.h"
+#else
+# include "traps_64.h"
+#endif
+
+BUILD_TRAP_HANDLER(address_error);
+BUILD_TRAP_HANDLER(debug);
+BUILD_TRAP_HANDLER(bug);
+BUILD_TRAP_HANDLER(breakpoint);
+BUILD_TRAP_HANDLER(singlestep);
+BUILD_TRAP_HANDLER(fpu_error);
+BUILD_TRAP_HANDLER(fpu_state_restore);
+BUILD_TRAP_HANDLER(nmi);
+
+#endif /* __ASM_SH_TRAPS_H */
diff --git a/arch/sh/include/asm/traps_32.h b/arch/sh/include/asm/traps_32.h
new file mode 100644
index 00000000000..cfd55ff9dff
--- /dev/null
+++ b/arch/sh/include/asm/traps_32.h
@@ -0,0 +1,68 @@
+#ifndef __ASM_SH_TRAPS_32_H
+#define __ASM_SH_TRAPS_32_H
+
+#include <linux/types.h>
+#include <asm/mmu.h>
+
+#ifdef CONFIG_CPU_HAS_SR_RB
+#define lookup_exception_vector()	\
+({					\
+	unsigned long _vec;		\
+					\
+	__asm__ __volatile__ (		\
+		"stc r2_bank, %0\n\t"	\
+		: "=r" (_vec)		\
+	);				\
+					\
+	_vec;				\
+})
+#else
+#define lookup_exception_vector()	\
+({					\
+	unsigned long _vec;		\
+	__asm__ __volatile__ (		\
+		"mov r4, %0\n\t"	\
+		: "=r" (_vec)		\
+	);				\
+					\
+	_vec;				\
+})
+#endif
+
+static inline void trigger_address_error(void)
+{
+	__asm__ __volatile__ (
+		"ldc %0, sr\n\t"
+		"mov.l @%1, %0"
+		:
+		: "r" (0x10000000), "r" (0x80000001)
+	);
+}
+
+asmlinkage void do_address_error(struct pt_regs *regs,
+				 unsigned long writeaccess,
+				 unsigned long address);
+asmlinkage void do_divide_error(unsigned long r4, unsigned long r5,
+				unsigned long r6, unsigned long r7,
+				struct pt_regs __regs);
+asmlinkage void do_reserved_inst(unsigned long r4, unsigned long r5,
+				unsigned long r6, unsigned long r7,
+				struct pt_regs __regs);
+asmlinkage void do_illegal_slot_inst(unsigned long r4, unsigned long r5,
+				unsigned long r6, unsigned long r7,
+				struct pt_regs __regs);
+asmlinkage void do_exception_error(unsigned long r4, unsigned long r5,
+				   unsigned long r6, unsigned long r7,
+				   struct pt_regs __regs);
+
+#define BUILD_TRAP_HANDLER(name)					\
+asmlinkage void name##_trap_handler(unsigned long r4, unsigned long r5,	\
+				    unsigned long r6, unsigned long r7,	\
+				    struct pt_regs __regs)
+
+#define TRAP_HANDLER_DECL				\
+	struct pt_regs *regs = RELOC_HIDE(&__regs, 0);	\
+	unsigned int vec = regs->tra;			\
+	(void)vec;
+
+#endif /* __ASM_SH_TRAPS_32_H */
diff --git a/arch/sh/include/asm/traps_64.h b/arch/sh/include/asm/traps_64.h
new file mode 100644
index 00000000000..c52d7f9a06c
--- /dev/null
+++ b/arch/sh/include/asm/traps_64.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2000, 2001  Paolo Alberelli
+ * Copyright (C) 2003  Paul Mundt
+ * Copyright (C) 2004  Richard Curnow
+ *
+ * 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 __ASM_SH_TRAPS_64_H
+#define __ASM_SH_TRAPS_64_H
+
+extern void phys_stext(void);
+
+static inline void trigger_address_error(void)
+{
+	phys_stext();
+}
+
+#define BUILD_TRAP_HANDLER(name)	\
+asmlinkage void name##_trap_handler(unsigned int vec, struct pt_regs *regs)
+#define TRAP_HANDLER_DECL
+
+#endif /* __ASM_SH_TRAPS_64_H */
diff --git a/arch/sh/include/asm/uaccess.h b/arch/sh/include/asm/uaccess.h
index 075848f43b6..050f221fa89 100644
--- a/arch/sh/include/asm/uaccess.h
+++ b/arch/sh/include/asm/uaccess.h
@@ -254,5 +254,19 @@ int fixup_exception(struct pt_regs *regs);
 unsigned long search_exception_table(unsigned long addr);
 const struct exception_table_entry *search_exception_tables(unsigned long addr);
 
+extern void *set_exception_table_vec(unsigned int vec, void *handler);
+
+static inline void *set_exception_table_evt(unsigned int evt, void *handler)
+{
+	return set_exception_table_vec(evt >> 5, handler);
+}
+
+struct mem_access {
+	unsigned long (*from)(void *dst, const void __user *src, unsigned long cnt);
+	unsigned long (*to)(void __user *dst, const void *src, unsigned long cnt);
+};
+
+int handle_unaligned_access(insn_size_t instruction, struct pt_regs *regs,
+			    struct mem_access *ma, int, unsigned long address);
 
 #endif /* __ASM_SH_UACCESS_H */
diff --git a/arch/sh/include/asm/unistd.h b/arch/sh/include/asm/unistd.h
index 65be656ead7..a42a5610a36 100644
--- a/arch/sh/include/asm/unistd.h
+++ b/arch/sh/include/asm/unistd.h
@@ -1,9 +1,46 @@
 #ifdef __KERNEL__
 # ifdef CONFIG_SUPERH32
+
 #  include "unistd_32.h"
+#  define __ARCH_WANT_SYS_RT_SIGSUSPEND
+
 # else
 #  include "unistd_64.h"
 # endif
+
+# define __ARCH_WANT_IPC_PARSE_VERSION
+# define __ARCH_WANT_OLD_READDIR
+# define __ARCH_WANT_OLD_STAT
+# define __ARCH_WANT_STAT64
+# define __ARCH_WANT_SYS_ALARM
+# define __ARCH_WANT_SYS_GETHOSTNAME
+# define __ARCH_WANT_SYS_IPC
+# define __ARCH_WANT_SYS_PAUSE
+# define __ARCH_WANT_SYS_SGETMASK
+# define __ARCH_WANT_SYS_SIGNAL
+# define __ARCH_WANT_SYS_TIME
+# define __ARCH_WANT_SYS_UTIME
+# define __ARCH_WANT_SYS_WAITPID
+# define __ARCH_WANT_SYS_SOCKETCALL
+# define __ARCH_WANT_SYS_FADVISE64
+# define __ARCH_WANT_SYS_GETPGRP
+# define __ARCH_WANT_SYS_LLSEEK
+# define __ARCH_WANT_SYS_NICE
+# define __ARCH_WANT_SYS_OLD_GETRLIMIT
+# define __ARCH_WANT_SYS_OLD_UNAME
+# define __ARCH_WANT_SYS_OLDUMOUNT
+# define __ARCH_WANT_SYS_SIGPENDING
+# define __ARCH_WANT_SYS_SIGPROCMASK
+# define __ARCH_WANT_SYS_RT_SIGACTION
+
+/*
+ * "Conditional" syscalls
+ *
+ * What we want is __attribute__((weak,alias("sys_ni_syscall"))),
+ * but it doesn't work on all toolchains, so we just do it by hand
+ */
+# define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall")
+
 #else
 # ifdef __SH5__
 #  include "unistd_64.h"
diff --git a/arch/sh/include/asm/unistd_32.h b/arch/sh/include/asm/unistd_32.h
index 152b8627a18..72fd1e06100 100644
--- a/arch/sh/include/asm/unistd_32.h
+++ b/arch/sh/include/asm/unistd_32.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_SH_UNISTD_H
-#define __ASM_SH_UNISTD_H
+#ifndef __ASM_SH_UNISTD_32_H
+#define __ASM_SH_UNISTD_32_H
 
 /*
  * Copyright (C) 1999  Niibe Yutaka
@@ -26,7 +26,7 @@
 #define __NR_mknod		 14
 #define __NR_chmod		 15
 #define __NR_lchown		 16
-#define __NR_break		 17
+				 /* 17 was sys_break */
 #define __NR_oldstat		 18
 #define __NR_lseek		 19
 #define __NR_getpid		 20
@@ -40,11 +40,11 @@
 #define __NR_oldfstat		 28
 #define __NR_pause		 29
 #define __NR_utime		 30
-#define __NR_stty		 31
-#define __NR_gtty		 32
+				 /* 31 was sys_stty */
+				 /* 32 was sys_gtty */
 #define __NR_access		 33
 #define __NR_nice		 34
-#define __NR_ftime		 35
+				 /* 35 was sys_ftime */
 #define __NR_sync		 36
 #define __NR_kill		 37
 #define __NR_rename		 38
@@ -53,7 +53,7 @@
 #define __NR_dup		 41
 #define __NR_pipe		 42
 #define __NR_times		 43
-#define __NR_prof		 44
+				 /* 44 was sys_prof */
 #define __NR_brk		 45
 #define __NR_setgid		 46
 #define __NR_getgid		 47
@@ -62,13 +62,13 @@
 #define __NR_getegid		 50
 #define __NR_acct		 51
 #define __NR_umount2		 52
-#define __NR_lock		 53
+				 /* 53 was sys_lock */
 #define __NR_ioctl		 54
 #define __NR_fcntl		 55
-#define __NR_mpx		 56
+				 /* 56 was sys_mpx */
 #define __NR_setpgid		 57
-#define __NR_ulimit		 58
-#define __NR_oldolduname	 59
+				 /* 58 was sys_ulimit */
+				 /* 59 was sys_olduname */
 #define __NR_umask		 60
 #define __NR_chroot		 61
 #define __NR_ustat		 62
@@ -91,7 +91,7 @@
 #define __NR_settimeofday	 79
 #define __NR_getgroups		 80
 #define __NR_setgroups		 81
-#define __NR_select		 82
+				 /* 82 was sys_oldselect */
 #define __NR_symlink		 83
 #define __NR_oldlstat		 84
 #define __NR_readlink		 85
@@ -107,10 +107,10 @@
 #define __NR_fchown		 95
 #define __NR_getpriority	 96
 #define __NR_setpriority	 97
-#define __NR_profil		 98
+				 /* 98 was sys_profil */
 #define __NR_statfs		 99
 #define __NR_fstatfs		100
-#define __NR_ioperm		101
+				/* 101 was sys_ioperm */
 #define __NR_socketcall		102
 #define __NR_syslog		103
 #define __NR_setitimer		104
@@ -119,10 +119,10 @@
 #define __NR_lstat		107
 #define __NR_fstat		108
 #define __NR_olduname		109
-#define __NR_iopl		110
+				/* 110 was sys_iopl */
 #define __NR_vhangup		111
-#define __NR_idle		112
-#define __NR_vm86old		113
+				/* 112 was sys_idle */
+				/* 113 was sys_vm86old */
 #define __NR_wait4		114
 #define __NR_swapoff		115
 #define __NR_sysinfo		116
@@ -136,17 +136,17 @@
 #define __NR_adjtimex		124
 #define __NR_mprotect		125
 #define __NR_sigprocmask	126
-#define __NR_create_module	127
+				/* 127 was sys_create_module */
 #define __NR_init_module	128
 #define __NR_delete_module	129
-#define __NR_get_kernel_syms	130
+				/* 130 was sys_get_kernel_syms */
 #define __NR_quotactl		131
 #define __NR_getpgid		132
 #define __NR_fchdir		133
 #define __NR_bdflush		134
 #define __NR_sysfs		135
 #define __NR_personality	136
-#define __NR_afs_syscall	137 /* Syscall for Andrew File System */
+				/* 137 was sys_afs_syscall */
 #define __NR_setfsuid		138
 #define __NR_setfsgid		139
 #define __NR__llseek		140
@@ -175,8 +175,8 @@
 #define __NR_mremap		163
 #define __NR_setresuid		164
 #define __NR_getresuid		165
-#define __NR_vm86		166
-#define __NR_query_module	167
+				/* 166 was sys_vm86 */
+				/* 167 was sys_query_module */
 #define __NR_poll		168
 #define __NR_nfsservctl		169
 #define __NR_setresgid		170
@@ -197,8 +197,8 @@
 #define __NR_capset		185
 #define __NR_sigaltstack	186
 #define __NR_sendfile		187
-#define __NR_streams1		188	/* some people actually want it */
-#define __NR_streams2		189	/* some people actually want it */
+				/* 188 reserved for sys_getpmsg */
+				/* 189 reserved for sys_putpmsg */
 #define __NR_vfork		190
 #define __NR_ugetrlimit		191	/* SuS compliant getrlimit */
 #define __NR_mmap2		192
@@ -231,7 +231,8 @@
 #define __NR_madvise		219
 #define __NR_getdents64		220
 #define __NR_fcntl64		221
-/* 223 is unused */
+				/* 222 is reserved for tux */
+				/* 223 is unused */
 #define __NR_gettid		224
 #define __NR_readahead		225
 #define __NR_setxattr		226
@@ -251,15 +252,15 @@
 #define __NR_futex		240
 #define __NR_sched_setaffinity	241
 #define __NR_sched_getaffinity	242
-#define __NR_set_thread_area	243
-#define __NR_get_thread_area	244
+				/* 243 is reserved for set_thread_area */
+				/* 244 is reserved for get_thread_area */
 #define __NR_io_setup		245
 #define __NR_io_destroy		246
 #define __NR_io_getevents	247
 #define __NR_io_submit		248
 #define __NR_io_cancel		249
 #define __NR_fadvise64		250
-
+				/* 251 is unused */
 #define __NR_exit_group		252
 #define __NR_lookup_dcookie	253
 #define __NR_epoll_create	254
@@ -281,7 +282,7 @@
 #define __NR_tgkill		270
 #define __NR_utimes		271
 #define __NR_fadvise64_64	272
-#define __NR_vserver		273
+				/* 273 is reserved for vserver */
 #define __NR_mbind              274
 #define __NR_get_mempolicy      275
 #define __NR_set_mempolicy      276
@@ -301,7 +302,7 @@
 #define __NR_inotify_init	290
 #define __NR_inotify_add_watch	291
 #define __NR_inotify_rm_watch	292
-/* 293 is unused */
+				/* 293 is unused */
 #define __NR_migrate_pages	294
 #define __NR_openat		295
 #define __NR_mkdirat		296
@@ -380,43 +381,4 @@
 
 #define NR_syscalls 367
 
-#ifdef __KERNEL__
-
-#define __ARCH_WANT_IPC_PARSE_VERSION
-#define __ARCH_WANT_OLD_READDIR
-#define __ARCH_WANT_OLD_STAT
-#define __ARCH_WANT_STAT64
-#define __ARCH_WANT_SYS_ALARM
-#define __ARCH_WANT_SYS_GETHOSTNAME
-#define __ARCH_WANT_SYS_IPC
-#define __ARCH_WANT_SYS_PAUSE
-#define __ARCH_WANT_SYS_SGETMASK
-#define __ARCH_WANT_SYS_SIGNAL
-#define __ARCH_WANT_SYS_TIME
-#define __ARCH_WANT_SYS_UTIME
-#define __ARCH_WANT_SYS_WAITPID
-#define __ARCH_WANT_SYS_SOCKETCALL
-#define __ARCH_WANT_SYS_FADVISE64
-#define __ARCH_WANT_SYS_GETPGRP
-#define __ARCH_WANT_SYS_LLSEEK
-#define __ARCH_WANT_SYS_NICE
-#define __ARCH_WANT_SYS_OLD_GETRLIMIT
-#define __ARCH_WANT_SYS_OLD_UNAME
-#define __ARCH_WANT_SYS_OLDUMOUNT
-#define __ARCH_WANT_SYS_SIGPENDING
-#define __ARCH_WANT_SYS_SIGPROCMASK
-#define __ARCH_WANT_SYS_RT_SIGACTION
-#define __ARCH_WANT_SYS_RT_SIGSUSPEND
-
-/*
- * "Conditional" syscalls
- *
- * What we want is __attribute__((weak,alias("sys_ni_syscall"))),
- * but it doesn't work on all toolchains, so we just do it by hand
- */
-#ifndef cond_syscall
-#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall")
-#endif
-
-#endif /* __KERNEL__ */
-#endif /* __ASM_SH_UNISTD_H */
+#endif /* __ASM_SH_UNISTD_32_H */
diff --git a/arch/sh/include/asm/unistd_64.h b/arch/sh/include/asm/unistd_64.h
index c330c23db5a..a28edc32969 100644
--- a/arch/sh/include/asm/unistd_64.h
+++ b/arch/sh/include/asm/unistd_64.h
@@ -31,7 +31,7 @@
 #define __NR_mknod		 14
 #define __NR_chmod		 15
 #define __NR_lchown		 16
-#define __NR_break		 17
+				 /* 17 was sys_break */
 #define __NR_oldstat		 18
 #define __NR_lseek		 19
 #define __NR_getpid		 20
@@ -45,11 +45,11 @@
 #define __NR_oldfstat		 28
 #define __NR_pause		 29
 #define __NR_utime		 30
-#define __NR_stty		 31
-#define __NR_gtty		 32
+				 /* 31 was sys_stty */
+				 /* 32 was sys_gtty */
 #define __NR_access		 33
 #define __NR_nice		 34
-#define __NR_ftime		 35
+				 /* 35 was sys_ftime */
 #define __NR_sync		 36
 #define __NR_kill		 37
 #define __NR_rename		 38
@@ -58,7 +58,7 @@
 #define __NR_dup		 41
 #define __NR_pipe		 42
 #define __NR_times		 43
-#define __NR_prof		 44
+				 /* 44 was sys_prof */
 #define __NR_brk		 45
 #define __NR_setgid		 46
 #define __NR_getgid		 47
@@ -67,13 +67,13 @@
 #define __NR_getegid		 50
 #define __NR_acct		 51
 #define __NR_umount2		 52
-#define __NR_lock		 53
+				 /* 53 was sys_lock */
 #define __NR_ioctl		 54
 #define __NR_fcntl		 55
-#define __NR_mpx		 56
+				 /* 56 was sys_mpx */
 #define __NR_setpgid		 57
-#define __NR_ulimit		 58
-#define __NR_oldolduname	 59
+				 /* 58 was sys_ulimit */
+				 /* 59 was sys_olduname */
 #define __NR_umask		 60
 #define __NR_chroot		 61
 #define __NR_ustat		 62
@@ -96,7 +96,7 @@
 #define __NR_settimeofday	 79
 #define __NR_getgroups		 80
 #define __NR_setgroups		 81
-#define __NR_select		 82
+				 /* 82 was sys_select */
 #define __NR_symlink		 83
 #define __NR_oldlstat		 84
 #define __NR_readlink		 85
@@ -112,10 +112,10 @@
 #define __NR_fchown		 95
 #define __NR_getpriority	 96
 #define __NR_setpriority	 97
-#define __NR_profil		 98
+				 /* 98 was sys_profil */
 #define __NR_statfs		 99
 #define __NR_fstatfs		100
-#define __NR_ioperm		101
+				/* 101 was sys_ioperm */
 #define __NR_socketcall		102	/* old implementation of socket systemcall */
 #define __NR_syslog		103
 #define __NR_setitimer		104
@@ -124,10 +124,10 @@
 #define __NR_lstat		107
 #define __NR_fstat		108
 #define __NR_olduname		109
-#define __NR_iopl		110
+				/* 110 was sys_iopl */
 #define __NR_vhangup		111
-#define __NR_idle		112
-#define __NR_vm86old		113
+				/* 112 was sys_idle */
+				/* 113 was sys_vm86old */
 #define __NR_wait4		114
 #define __NR_swapoff		115
 #define __NR_sysinfo		116
@@ -141,17 +141,17 @@
 #define __NR_adjtimex		124
 #define __NR_mprotect		125
 #define __NR_sigprocmask	126
-#define __NR_create_module	127
+				/* 127 was sys_create_module */
 #define __NR_init_module	128
 #define __NR_delete_module	129
-#define __NR_get_kernel_syms	130
+				/* 130 was sys_get_kernel_syms */
 #define __NR_quotactl		131
 #define __NR_getpgid		132
 #define __NR_fchdir		133
 #define __NR_bdflush		134
 #define __NR_sysfs		135
 #define __NR_personality	136
-#define __NR_afs_syscall	137 /* Syscall for Andrew File System */
+				/* 137 was sys_afs_syscall */
 #define __NR_setfsuid		138
 #define __NR_setfsgid		139
 #define __NR__llseek		140
@@ -180,8 +180,8 @@
 #define __NR_mremap		163
 #define __NR_setresuid		164
 #define __NR_getresuid		165
-#define __NR_vm86		166
-#define __NR_query_module	167
+				/* 166 was sys_vm86 */
+				/* 167 was sys_query_module */
 #define __NR_poll		168
 #define __NR_nfsservctl		169
 #define __NR_setresgid		170
@@ -202,8 +202,8 @@
 #define __NR_capset		185
 #define __NR_sigaltstack	186
 #define __NR_sendfile		187
-#define __NR_streams1		188	/* some people actually want it */
-#define __NR_streams2		189	/* some people actually want it */
+				/* 188 reserved for getpmsg */
+				/* 189 reserved for putpmsg */
 #define __NR_vfork		190
 #define __NR_ugetrlimit		191	/* SuS compliant getrlimit */
 #define __NR_mmap2		192
@@ -262,16 +262,15 @@
 #define __NR_msgrcv		241
 #define __NR_msgget		242
 #define __NR_msgctl		243
-#if 0
-#define __NR_shmatcall		244
-#endif
+#define __NR_shmat		244
 #define __NR_shmdt		245
 #define __NR_shmget		246
 #define __NR_shmctl		247
 
 #define __NR_getdents64		248
 #define __NR_fcntl64		249
-/* 223 is unused */
+				/* 250 is reserved for tux */
+				/* 251 is unused */
 #define __NR_gettid		252
 #define __NR_readahead		253
 #define __NR_setxattr		254
@@ -291,14 +290,15 @@
 #define __NR_futex		268
 #define __NR_sched_setaffinity	269
 #define __NR_sched_getaffinity	270
-#define __NR_set_thread_area	271
-#define __NR_get_thread_area	272
+				/* 271 is reserved for set_thread_area */
+				/* 272 is reserved for get_thread_area */
 #define __NR_io_setup		273
 #define __NR_io_destroy		274
 #define __NR_io_getevents	275
 #define __NR_io_submit		276
 #define __NR_io_cancel		277
 #define __NR_fadvise64		278
+				/* 279 is unused */
 #define __NR_exit_group		280
 
 #define __NR_lookup_dcookie	281
@@ -321,17 +321,17 @@
 #define __NR_tgkill		298
 #define __NR_utimes		299
 #define __NR_fadvise64_64	300
-#define __NR_vserver		301
-#define __NR_mbind              302
-#define __NR_get_mempolicy      303
-#define __NR_set_mempolicy      304
+				/* 301 is reserved for vserver */
+				/* 302 is reserved for mbind */
+				/* 303 is reserved for get_mempolicy */
+				/* 304 is reserved for set_mempolicy */
 #define __NR_mq_open            305
 #define __NR_mq_unlink          (__NR_mq_open+1)
 #define __NR_mq_timedsend       (__NR_mq_open+2)
 #define __NR_mq_timedreceive    (__NR_mq_open+3)
 #define __NR_mq_notify          (__NR_mq_open+4)
 #define __NR_mq_getsetattr      (__NR_mq_open+5)
-#define __NR_kexec_load		311
+				/* 311 is reserved for kexec */
 #define __NR_waitid		312
 #define __NR_add_key		313
 #define __NR_request_key	314
@@ -341,7 +341,7 @@
 #define __NR_inotify_init	318
 #define __NR_inotify_add_watch	319
 #define __NR_inotify_rm_watch	320
-/* 321 is unused */
+				/* 321 is unused */
 #define __NR_migrate_pages	322
 #define __NR_openat		323
 #define __NR_mkdirat		324
@@ -399,44 +399,6 @@
 #define __NR_process_vm_readv	376
 #define __NR_process_vm_writev	377
 
-#ifdef __KERNEL__
-
 #define NR_syscalls 378
 
-#define __ARCH_WANT_IPC_PARSE_VERSION
-#define __ARCH_WANT_OLD_READDIR
-#define __ARCH_WANT_OLD_STAT
-#define __ARCH_WANT_STAT64
-#define __ARCH_WANT_SYS_ALARM
-#define __ARCH_WANT_SYS_GETHOSTNAME
-#define __ARCH_WANT_SYS_IPC
-#define __ARCH_WANT_SYS_PAUSE
-#define __ARCH_WANT_SYS_SGETMASK
-#define __ARCH_WANT_SYS_SIGNAL
-#define __ARCH_WANT_SYS_TIME
-#define __ARCH_WANT_SYS_UTIME
-#define __ARCH_WANT_SYS_WAITPID
-#define __ARCH_WANT_SYS_SOCKETCALL
-#define __ARCH_WANT_SYS_FADVISE64
-#define __ARCH_WANT_SYS_GETPGRP
-#define __ARCH_WANT_SYS_LLSEEK
-#define __ARCH_WANT_SYS_NICE
-#define __ARCH_WANT_SYS_OLD_GETRLIMIT
-#define __ARCH_WANT_SYS_OLD_UNAME
-#define __ARCH_WANT_SYS_OLDUMOUNT
-#define __ARCH_WANT_SYS_SIGPENDING
-#define __ARCH_WANT_SYS_SIGPROCMASK
-#define __ARCH_WANT_SYS_RT_SIGACTION
-
-/*
- * "Conditional" syscalls
- *
- * What we want is __attribute__((weak,alias("sys_ni_syscall"))),
- * but it doesn't work on all toolchains, so we just do it by hand
- */
-#ifndef cond_syscall
-#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall")
-#endif
-
-#endif /* __KERNEL__ */
 #endif /* __ASM_SH_UNISTD_64_H */
diff --git a/arch/sh/include/cpu-sh4/cpu/dma-register.h b/arch/sh/include/cpu-sh4/cpu/dma-register.h
index 18fa80aba15..02788b6a03b 100644
--- a/arch/sh/include/cpu-sh4/cpu/dma-register.h
+++ b/arch/sh/include/cpu-sh4/cpu/dma-register.h
@@ -16,45 +16,29 @@
 
 #define DMAOR_INIT	DMAOR_DME
 
-#if defined(CONFIG_CPU_SUBTYPE_SH7343) || \
-	defined(CONFIG_CPU_SUBTYPE_SH7730)
+#if defined(CONFIG_CPU_SUBTYPE_SH7343)
 #define CHCR_TS_LOW_MASK	0x00000018
 #define CHCR_TS_LOW_SHIFT	3
 #define CHCR_TS_HIGH_MASK	0
 #define CHCR_TS_HIGH_SHIFT	0
 #elif defined(CONFIG_CPU_SUBTYPE_SH7722) || \
+	defined(CONFIG_CPU_SUBTYPE_SH7723) || \
 	defined(CONFIG_CPU_SUBTYPE_SH7724) || \
+	defined(CONFIG_CPU_SUBTYPE_SH7730) || \
 	defined(CONFIG_CPU_SUBTYPE_SH7786)
 #define CHCR_TS_LOW_MASK	0x00000018
 #define CHCR_TS_LOW_SHIFT	3
 #define CHCR_TS_HIGH_MASK	0x00300000
 #define CHCR_TS_HIGH_SHIFT	(20 - 2)	/* 2 bits for shifted low TS */
-#elif defined(CONFIG_CPU_SUBTYPE_SH7763) || \
-	defined(CONFIG_CPU_SUBTYPE_SH7764)
-#define CHCR_TS_LOW_MASK	0x00000018
-#define CHCR_TS_LOW_SHIFT	3
-#define CHCR_TS_HIGH_MASK	0
-#define CHCR_TS_HIGH_SHIFT	0
-#elif defined(CONFIG_CPU_SUBTYPE_SH7723)
-#define CHCR_TS_LOW_MASK	0x00000018
-#define CHCR_TS_LOW_SHIFT	3
-#define CHCR_TS_HIGH_MASK	0
-#define CHCR_TS_HIGH_SHIFT	0
-#elif defined(CONFIG_CPU_SUBTYPE_SH7757)
+#elif defined(CONFIG_CPU_SUBTYPE_SH7757) || \
+	defined(CONFIG_CPU_SUBTYPE_SH7763) || \
+	defined(CONFIG_CPU_SUBTYPE_SH7764) || \
+	defined(CONFIG_CPU_SUBTYPE_SH7780) || \
+	defined(CONFIG_CPU_SUBTYPE_SH7785)
 #define CHCR_TS_LOW_MASK	0x00000018
 #define CHCR_TS_LOW_SHIFT	3
 #define CHCR_TS_HIGH_MASK	0x00100000
 #define CHCR_TS_HIGH_SHIFT	(20 - 2)	/* 2 bits for shifted low TS */
-#elif defined(CONFIG_CPU_SUBTYPE_SH7780)
-#define CHCR_TS_LOW_MASK	0x00000018
-#define CHCR_TS_LOW_SHIFT	3
-#define CHCR_TS_HIGH_MASK	0
-#define CHCR_TS_HIGH_SHIFT	0
-#else /* SH7785 */
-#define CHCR_TS_LOW_MASK	0x00000018
-#define CHCR_TS_LOW_SHIFT	3
-#define CHCR_TS_HIGH_MASK	0
-#define CHCR_TS_HIGH_SHIFT	0
 #endif
 
 /* Transmit sizes and respective CHCR register values */
diff --git a/arch/sh/include/mach-common/mach/mangle-port.h b/arch/sh/include/mach-common/mach/mangle-port.h
new file mode 100644
index 00000000000..4ca1769a0f1
--- /dev/null
+++ b/arch/sh/include/mach-common/mach/mangle-port.h
@@ -0,0 +1,49 @@
+/*
+ * SH version cribbed from the MIPS copy:
+ *
+ * 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.
+ *
+ * Copyright (C) 2003, 2004 Ralf Baechle
+ */
+#ifndef __MACH_COMMON_MANGLE_PORT_H
+#define __MACH_COMMON_MANGLE_PORT_H
+
+/*
+ * Sane hardware offers swapping of PCI/ISA I/O space accesses in hardware;
+ * less sane hardware forces software to fiddle with this...
+ *
+ * Regardless, if the host bus endianness mismatches that of PCI/ISA, then
+ * you can't have the numerical value of data and byte addresses within
+ * multibyte quantities both preserved at the same time.  Hence two
+ * variations of functions: non-prefixed ones that preserve the value
+ * and prefixed ones that preserve byte addresses.  The latters are
+ * typically used for moving raw data between a peripheral and memory (cf.
+ * string I/O functions), hence the "__mem_" prefix.
+ */
+#if defined(CONFIG_SWAP_IO_SPACE)
+
+# define ioswabb(x)		(x)
+# define __mem_ioswabb(x)	(x)
+# define ioswabw(x)		le16_to_cpu(x)
+# define __mem_ioswabw(x)	(x)
+# define ioswabl(x)		le32_to_cpu(x)
+# define __mem_ioswabl(x)	(x)
+# define ioswabq(x)		le64_to_cpu(x)
+# define __mem_ioswabq(x)	(x)
+
+#else
+
+# define ioswabb(x)		(x)
+# define __mem_ioswabb(x)	(x)
+# define ioswabw(x)		(x)
+# define __mem_ioswabw(x)	cpu_to_le16(x)
+# define ioswabl(x)		(x)
+# define __mem_ioswabl(x)	cpu_to_le32(x)
+# define ioswabq(x)		(x)
+# define __mem_ioswabq(x)	cpu_to_le32(x)
+
+#endif
+
+#endif /* __MACH_COMMON_MANGLE_PORT_H */
diff --git a/arch/sh/kernel/cpu/init.c b/arch/sh/kernel/cpu/init.c
index fac742e514e..61a07dafcd4 100644
--- a/arch/sh/kernel/cpu/init.c
+++ b/arch/sh/kernel/cpu/init.c
@@ -18,13 +18,13 @@
 #include <asm/processor.h>
 #include <asm/uaccess.h>
 #include <asm/page.h>
-#include <asm/system.h>
 #include <asm/cacheflush.h>
 #include <asm/cache.h>
 #include <asm/elf.h>
 #include <asm/io.h>
 #include <asm/smp.h>
 #include <asm/sh_bios.h>
+#include <asm/setup.h>
 
 #ifdef CONFIG_SH_FPU
 #define cpu_has_fpu	1
diff --git a/arch/sh/kernel/cpu/irq/imask.c b/arch/sh/kernel/cpu/irq/imask.c
index 39b6a24c159..e7f1745bd12 100644
--- a/arch/sh/kernel/cpu/irq/imask.c
+++ b/arch/sh/kernel/cpu/irq/imask.c
@@ -19,7 +19,6 @@
 #include <linux/cache.h>
 #include <linux/irq.h>
 #include <linux/bitmap.h>
-#include <asm/system.h>
 #include <asm/irq.h>
 
 /* Bitmap of IRQ masked */
diff --git a/arch/sh/kernel/cpu/sh2a/opcode_helper.c b/arch/sh/kernel/cpu/sh2a/opcode_helper.c
index 9704b7926d8..72aa61c81e4 100644
--- a/arch/sh/kernel/cpu/sh2a/opcode_helper.c
+++ b/arch/sh/kernel/cpu/sh2a/opcode_helper.c
@@ -10,7 +10,6 @@
  * for more details.
  */
 #include <linux/kernel.h>
-#include <asm/system.h>
 
 /*
  * Instructions on SH are generally fixed at 16-bits, however, SH-2A
diff --git a/arch/sh/kernel/cpu/sh4/fpu.c b/arch/sh/kernel/cpu/sh4/fpu.c
index 447482d7f65..e74cd6c0f10 100644
--- a/arch/sh/kernel/cpu/sh4/fpu.c
+++ b/arch/sh/kernel/cpu/sh4/fpu.c
@@ -15,7 +15,6 @@
 #include <linux/io.h>
 #include <cpu/fpu.h>
 #include <asm/processor.h>
-#include <asm/system.h>
 #include <asm/fpu.h>
 
 /* The PR (precision) bit in the FP Status Register must be clear when
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7757.c b/arch/sh/kernel/cpu/sh4a/setup-sh7757.c
index 2875e8be4f7..c8836cffa21 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7757.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7757.c
@@ -680,6 +680,25 @@ static struct platform_device spi1_device = {
 	.resource	= spi1_resources,
 };
 
+static struct resource rspi_resources[] = {
+	{
+		.start	= 0xfe480000,
+		.end	= 0xfe4800ff,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= 220,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device rspi_device = {
+	.name	= "rspi",
+	.id	= 2,
+	.num_resources	= ARRAY_SIZE(rspi_resources),
+	.resource	= rspi_resources,
+};
+
 static struct resource usb_ehci_resources[] = {
 	[0] = {
 		.start	= 0xfe4f1000,
@@ -740,6 +759,7 @@ static struct platform_device *sh7757_devices[] __initdata = {
 	&dma3_device,
 	&spi0_device,
 	&spi1_device,
+	&rspi_device,
 	&usb_ehci_device,
 	&usb_ohci_device,
 };
diff --git a/arch/sh/kernel/cpu/shmobile/cpuidle.c b/arch/sh/kernel/cpu/shmobile/cpuidle.c
index 6d62eb40e75..1ddc876d3b2 100644
--- a/arch/sh/kernel/cpu/shmobile/cpuidle.c
+++ b/arch/sh/kernel/cpu/shmobile/cpuidle.c
@@ -29,7 +29,6 @@ static int cpuidle_sleep_enter(struct cpuidle_device *dev,
 				int index)
 {
 	unsigned long allowed_mode = SUSP_SH_SLEEP;
-	ktime_t before, after;
 	int requested_state = index;
 	int allowed_state;
 	int k;
@@ -47,19 +46,16 @@ static int cpuidle_sleep_enter(struct cpuidle_device *dev,
 	 */
 	k = min_t(int, allowed_state, requested_state);
 
-	before = ktime_get();
 	sh_mobile_call_standby(cpuidle_mode[k]);
-	after = ktime_get();
-
-	dev->last_residency = (int)ktime_to_ns(ktime_sub(after, before)) >> 10;
 
 	return k;
 }
 
 static struct cpuidle_device cpuidle_dev;
 static struct cpuidle_driver cpuidle_driver = {
-	.name =		"sh_idle",
-	.owner =	THIS_MODULE,
+	.name			= "sh_idle",
+	.owner			= THIS_MODULE,
+	.en_core_tk_irqen	= 1,
 };
 
 void sh_mobile_setup_cpuidle(void)
diff --git a/arch/sh/kernel/cpufreq.c b/arch/sh/kernel/cpufreq.c
index 0fffacea6ed..e68b45b6f3f 100644
--- a/arch/sh/kernel/cpufreq.c
+++ b/arch/sh/kernel/cpufreq.c
@@ -3,7 +3,7 @@
  *
  * cpufreq driver for the SuperH processors.
  *
- * Copyright (C) 2002 - 2007 Paul Mundt
+ * Copyright (C) 2002 - 2012 Paul Mundt
  * Copyright (C) 2002 M. R. Brown
  *
  * Clock framework bits from arch/avr32/mach-at32ap/cpufreq.c
@@ -14,6 +14,8 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  */
+#define pr_fmt(fmt) "cpufreq: " fmt
+
 #include <linux/types.h>
 #include <linux/cpufreq.h>
 #include <linux/kernel.h>
@@ -21,15 +23,18 @@
 #include <linux/init.h>
 #include <linux/err.h>
 #include <linux/cpumask.h>
+#include <linux/cpu.h>
 #include <linux/smp.h>
 #include <linux/sched.h>	/* set_cpus_allowed() */
 #include <linux/clk.h>
+#include <linux/percpu.h>
+#include <linux/sh_clk.h>
 
-static struct clk *cpuclk;
+static DEFINE_PER_CPU(struct clk, sh_cpuclk);
 
 static unsigned int sh_cpufreq_get(unsigned int cpu)
 {
-	return (clk_get_rate(cpuclk) + 500) / 1000;
+	return (clk_get_rate(&per_cpu(sh_cpuclk, cpu)) + 500) / 1000;
 }
 
 /*
@@ -40,8 +45,10 @@ static int sh_cpufreq_target(struct cpufreq_policy *policy,
 			     unsigned int relation)
 {
 	unsigned int cpu = policy->cpu;
+	struct clk *cpuclk = &per_cpu(sh_cpuclk, cpu);
 	cpumask_t cpus_allowed;
 	struct cpufreq_freqs freqs;
+	struct device *dev;
 	long freq;
 
 	if (!cpu_online(cpu))
@@ -52,13 +59,15 @@ static int sh_cpufreq_target(struct cpufreq_policy *policy,
 
 	BUG_ON(smp_processor_id() != cpu);
 
+	dev = get_cpu_device(cpu);
+
 	/* Convert target_freq from kHz to Hz */
 	freq = clk_round_rate(cpuclk, target_freq * 1000);
 
 	if (freq < (policy->min * 1000) || freq > (policy->max * 1000))
 		return -EINVAL;
 
-	pr_debug("cpufreq: requested frequency %u Hz\n", target_freq * 1000);
+	dev_dbg(dev, "requested frequency %u Hz\n", target_freq * 1000);
 
 	freqs.cpu	= cpu;
 	freqs.old	= sh_cpufreq_get(cpu);
@@ -70,78 +79,112 @@ static int sh_cpufreq_target(struct cpufreq_policy *policy,
 	clk_set_rate(cpuclk, freq);
 	cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
 
-	pr_debug("cpufreq: set frequency %lu Hz\n", freq);
+	dev_dbg(dev, "set frequency %lu Hz\n", freq);
+
+	return 0;
+}
+
+static int sh_cpufreq_verify(struct cpufreq_policy *policy)
+{
+	struct clk *cpuclk = &per_cpu(sh_cpuclk, policy->cpu);
+	struct cpufreq_frequency_table *freq_table;
+
+	freq_table = cpuclk->nr_freqs ? cpuclk->freq_table : NULL;
+	if (freq_table)
+		return cpufreq_frequency_table_verify(policy, freq_table);
+
+	cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq,
+				     policy->cpuinfo.max_freq);
+
+	policy->min = (clk_round_rate(cpuclk, 1) + 500) / 1000;
+	policy->max = (clk_round_rate(cpuclk, ~0UL) + 500) / 1000;
+
+	cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq,
+				     policy->cpuinfo.max_freq);
 
 	return 0;
 }
 
 static int sh_cpufreq_cpu_init(struct cpufreq_policy *policy)
 {
-	if (!cpu_online(policy->cpu))
+	unsigned int cpu = policy->cpu;
+	struct clk *cpuclk = &per_cpu(sh_cpuclk, cpu);
+	struct cpufreq_frequency_table *freq_table;
+	struct device *dev;
+
+	if (!cpu_online(cpu))
 		return -ENODEV;
 
-	cpuclk = clk_get(NULL, "cpu_clk");
+	dev = get_cpu_device(cpu);
+
+	cpuclk = clk_get(dev, "cpu_clk");
 	if (IS_ERR(cpuclk)) {
-		printk(KERN_ERR "cpufreq: couldn't get CPU#%d clk\n",
-		       policy->cpu);
+		dev_err(dev, "couldn't get CPU clk\n");
 		return PTR_ERR(cpuclk);
 	}
 
-	/* cpuinfo and default policy values */
-	policy->cpuinfo.min_freq = (clk_round_rate(cpuclk, 1) + 500) / 1000;
-	policy->cpuinfo.max_freq = (clk_round_rate(cpuclk, ~0UL) + 500) / 1000;
-	policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
+	policy->cur = policy->min = policy->max = sh_cpufreq_get(cpu);
 
-	policy->cur		= sh_cpufreq_get(policy->cpu);
-	policy->min		= policy->cpuinfo.min_freq;
-	policy->max		= policy->cpuinfo.max_freq;
+	freq_table = cpuclk->nr_freqs ? cpuclk->freq_table : NULL;
+	if (freq_table) {
+		int result;
 
-	/*
-	 * Catch the cases where the clock framework hasn't been wired up
-	 * properly to support scaling.
-	 */
-	if (unlikely(policy->min == policy->max)) {
-		printk(KERN_ERR "cpufreq: clock framework rate rounding "
-		       "not supported on CPU#%d.\n", policy->cpu);
+		result = cpufreq_frequency_table_cpuinfo(policy, freq_table);
+		if (!result)
+			cpufreq_frequency_table_get_attr(freq_table, cpu);
+	} else {
+		dev_notice(dev, "no frequency table found, falling back "
+			   "to rate rounding.\n");
 
-		clk_put(cpuclk);
-		return -EINVAL;
+		policy->cpuinfo.min_freq =
+			(clk_round_rate(cpuclk, 1) + 500) / 1000;
+		policy->cpuinfo.max_freq =
+			(clk_round_rate(cpuclk, ~0UL) + 500) / 1000;
 	}
 
-	printk(KERN_INFO "cpufreq: CPU#%d Frequencies - Minimum %u.%03u MHz, "
+	policy->min = policy->cpuinfo.min_freq;
+	policy->max = policy->cpuinfo.max_freq;
+
+	policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
+
+	dev_info(dev, "CPU Frequencies - Minimum %u.%03u MHz, "
 	       "Maximum %u.%03u MHz.\n",
-	       policy->cpu, policy->min / 1000, policy->min % 1000,
+	       policy->min / 1000, policy->min % 1000,
 	       policy->max / 1000, policy->max % 1000);
 
 	return 0;
 }
 
-static int sh_cpufreq_verify(struct cpufreq_policy *policy)
+static int sh_cpufreq_cpu_exit(struct cpufreq_policy *policy)
 {
-	cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq,
-				     policy->cpuinfo.max_freq);
-	return 0;
-}
+	unsigned int cpu = policy->cpu;
+	struct clk *cpuclk = &per_cpu(sh_cpuclk, cpu);
 
-static int sh_cpufreq_exit(struct cpufreq_policy *policy)
-{
+	cpufreq_frequency_table_put_attr(cpu);
 	clk_put(cpuclk);
+
 	return 0;
 }
 
+static struct freq_attr *sh_freq_attr[] = {
+	&cpufreq_freq_attr_scaling_available_freqs,
+	NULL,
+};
+
 static struct cpufreq_driver sh_cpufreq_driver = {
 	.owner		= THIS_MODULE,
 	.name		= "sh",
-	.init		= sh_cpufreq_cpu_init,
-	.verify		= sh_cpufreq_verify,
-	.target		= sh_cpufreq_target,
 	.get		= sh_cpufreq_get,
-	.exit		= sh_cpufreq_exit,
+	.target		= sh_cpufreq_target,
+	.verify		= sh_cpufreq_verify,
+	.init		= sh_cpufreq_cpu_init,
+	.exit		= sh_cpufreq_cpu_exit,
+	.attr		= sh_freq_attr,
 };
 
 static int __init sh_cpufreq_module_init(void)
 {
-	printk(KERN_INFO "cpufreq: SuperH CPU frequency driver.\n");
+	pr_notice("SuperH CPU frequency driver.\n");
 	return cpufreq_register_driver(&sh_cpufreq_driver);
 }
 
diff --git a/arch/sh/kernel/dma-nommu.c b/arch/sh/kernel/dma-nommu.c
index 3c55b87f8b6..5b0bfcda6d0 100644
--- a/arch/sh/kernel/dma-nommu.c
+++ b/arch/sh/kernel/dma-nommu.c
@@ -63,8 +63,8 @@ static void nommu_sync_sg(struct device *dev, struct scatterlist *sg,
 #endif
 
 struct dma_map_ops nommu_dma_ops = {
-	.alloc_coherent		= dma_generic_alloc_coherent,
-	.free_coherent		= dma_generic_free_coherent,
+	.alloc			= dma_generic_alloc_coherent,
+	.free			= dma_generic_free_coherent,
 	.map_page		= nommu_map_page,
 	.map_sg			= nommu_map_sg,
 #ifdef CONFIG_DMA_NONCOHERENT
diff --git a/arch/sh/kernel/hw_breakpoint.c b/arch/sh/kernel/hw_breakpoint.c
index efae6ab3d54..f9173766ec4 100644
--- a/arch/sh/kernel/hw_breakpoint.c
+++ b/arch/sh/kernel/hw_breakpoint.c
@@ -22,6 +22,7 @@
 #include <asm/hw_breakpoint.h>
 #include <asm/mmu_context.h>
 #include <asm/ptrace.h>
+#include <asm/traps.h>
 
 /*
  * Stores the breakpoints currently in use on each breakpoint address
diff --git a/arch/sh/kernel/idle.c b/arch/sh/kernel/idle.c
index 7e489282656..64852ecc688 100644
--- a/arch/sh/kernel/idle.c
+++ b/arch/sh/kernel/idle.c
@@ -18,9 +18,9 @@
 #include <linux/smp.h>
 #include <linux/cpuidle.h>
 #include <asm/pgalloc.h>
-#include <asm/system.h>
 #include <linux/atomic.h>
 #include <asm/smp.h>
+#include <asm/bl_bit.h>
 
 void (*pm_idle)(void);
 
diff --git a/arch/sh/kernel/io_trapped.c b/arch/sh/kernel/io_trapped.c
index 0f62f467275..c0a9761f2f8 100644
--- a/arch/sh/kernel/io_trapped.c
+++ b/arch/sh/kernel/io_trapped.c
@@ -15,7 +15,6 @@
 #include <linux/vmalloc.h>
 #include <linux/module.h>
 #include <linux/init.h>
-#include <asm/system.h>
 #include <asm/mmu_context.h>
 #include <asm/uaccess.h>
 #include <asm/io.h>
diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c
index 7ec66517812..f72e3a95158 100644
--- a/arch/sh/kernel/process_32.c
+++ b/arch/sh/kernel/process_32.c
@@ -24,7 +24,6 @@
 #include <linux/prefetch.h>
 #include <asm/uaccess.h>
 #include <asm/mmu_context.h>
-#include <asm/system.h>
 #include <asm/fpu.h>
 #include <asm/syscalls.h>
 
diff --git a/arch/sh/kernel/process_64.c b/arch/sh/kernel/process_64.c
index cbd4e4bb9fc..4264583eaba 100644
--- a/arch/sh/kernel/process_64.c
+++ b/arch/sh/kernel/process_64.c
@@ -30,6 +30,7 @@
 #include <asm/pgtable.h>
 #include <asm/mmu_context.h>
 #include <asm/fpu.h>
+#include <asm/switch_to.h>
 
 struct task_struct *last_task_used_math = NULL;
 
diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c
index a3e65156376..9698671444e 100644
--- a/arch/sh/kernel/ptrace_32.c
+++ b/arch/sh/kernel/ptrace_32.c
@@ -28,7 +28,6 @@
 #include <linux/hw_breakpoint.h>
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
-#include <asm/system.h>
 #include <asm/processor.h>
 #include <asm/mmu_context.h>
 #include <asm/syscalls.h>
diff --git a/arch/sh/kernel/ptrace_64.c b/arch/sh/kernel/ptrace_64.c
index 3d0080b5c97..bc81e07dc09 100644
--- a/arch/sh/kernel/ptrace_64.c
+++ b/arch/sh/kernel/ptrace_64.c
@@ -34,11 +34,11 @@
 #include <asm/io.h>
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
-#include <asm/system.h>
 #include <asm/processor.h>
 #include <asm/mmu_context.h>
 #include <asm/syscalls.h>
 #include <asm/fpu.h>
+#include <asm/traps.h>
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/syscalls.h>
diff --git a/arch/sh/kernel/reboot.c b/arch/sh/kernel/reboot.c
index ca6a5ca6401..04afe5b2066 100644
--- a/arch/sh/kernel/reboot.c
+++ b/arch/sh/kernel/reboot.c
@@ -8,8 +8,8 @@
 #endif
 #include <asm/addrspace.h>
 #include <asm/reboot.h>
-#include <asm/system.h>
 #include <asm/tlbflush.h>
+#include <asm/traps.h>
 
 void (*pm_power_off)(void);
 EXPORT_SYMBOL(pm_power_off);
diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c
index a7a55ed43a5..5901fba3176 100644
--- a/arch/sh/kernel/signal_32.c
+++ b/arch/sh/kernel/signal_32.c
@@ -25,7 +25,6 @@
 #include <linux/freezer.h>
 #include <linux/io.h>
 #include <linux/tracehook.h>
-#include <asm/system.h>
 #include <asm/ucontext.h>
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
@@ -58,12 +57,13 @@ sys_sigsuspend(old_sigset_t mask,
 	       unsigned long r5, unsigned long r6, unsigned long r7,
 	       struct pt_regs __regs)
 {
-	mask &= _BLOCKABLE;
-	spin_lock_irq(&current->sighand->siglock);
+	sigset_t blocked;
+
 	current->saved_sigmask = current->blocked;
-	siginitset(&current->blocked, mask);
-	recalc_sigpending();
-	spin_unlock_irq(&current->sighand->siglock);
+
+	mask &= _BLOCKABLE;
+	siginitset(&blocked, mask);
+	set_current_blocked(&blocked);
 
 	current->state = TASK_INTERRUPTIBLE;
 	schedule();
@@ -240,11 +240,7 @@ asmlinkage int sys_sigreturn(unsigned long r4, unsigned long r5,
 		goto badframe;
 
 	sigdelsetmask(&set, ~_BLOCKABLE);
-
-	spin_lock_irq(&current->sighand->siglock);
-	current->blocked = set;
-	recalc_sigpending();
-	spin_unlock_irq(&current->sighand->siglock);
+	set_current_blocked(&set);
 
 	if (restore_sigcontext(regs, &frame->sc, &r0))
 		goto badframe;
@@ -274,10 +270,7 @@ asmlinkage int sys_rt_sigreturn(unsigned long r4, unsigned long r5,
 		goto badframe;
 
 	sigdelsetmask(&set, ~_BLOCKABLE);
-	spin_lock_irq(&current->sighand->siglock);
-	current->blocked = set;
-	recalc_sigpending();
-	spin_unlock_irq(&current->sighand->siglock);
+	set_current_blocked(&set);
 
 	if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &r0))
 		goto badframe;
@@ -548,17 +541,8 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info,
 	else
 		ret = setup_frame(sig, ka, oldset, regs);
 
-	if (ka->sa.sa_flags & SA_ONESHOT)
-		ka->sa.sa_handler = SIG_DFL;
-
-	if (ret == 0) {
-		spin_lock_irq(&current->sighand->siglock);
-		sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
-		if (!(ka->sa.sa_flags & SA_NODEFER))
-			sigaddset(&current->blocked,sig);
-		recalc_sigpending();
-		spin_unlock_irq(&current->sighand->siglock);
-	}
+	if (ret == 0)
+		block_sigmask(ka, sig);
 
 	return ret;
 }
diff --git a/arch/sh/kernel/signal_64.c b/arch/sh/kernel/signal_64.c
index 6b5603fe274..3c9a6f7dcdc 100644
--- a/arch/sh/kernel/signal_64.c
+++ b/arch/sh/kernel/signal_64.c
@@ -159,14 +159,13 @@ sys_sigsuspend(old_sigset_t mask,
 	       unsigned long r6, unsigned long r7,
 	       struct pt_regs * regs)
 {
-	sigset_t saveset;
+	sigset_t saveset, blocked;
 
-	mask &= _BLOCKABLE;
-	spin_lock_irq(&current->sighand->siglock);
 	saveset = current->blocked;
-	siginitset(&current->blocked, mask);
-	recalc_sigpending();
-	spin_unlock_irq(&current->sighand->siglock);
+
+	mask &= _BLOCKABLE;
+	siginitset(&blocked, mask);
+	set_current_blocked(&blocked);
 
 	REF_REG_RET = -EINTR;
 	while (1) {
@@ -198,11 +197,8 @@ sys_rt_sigsuspend(sigset_t *unewset, size_t sigsetsize,
 	if (copy_from_user(&newset, unewset, sizeof(newset)))
 		return -EFAULT;
 	sigdelsetmask(&newset, ~_BLOCKABLE);
-	spin_lock_irq(&current->sighand->siglock);
 	saveset = current->blocked;
-	current->blocked = newset;
-	recalc_sigpending();
-	spin_unlock_irq(&current->sighand->siglock);
+	set_current_blocked(&newset);
 
 	REF_REG_RET = -EINTR;
 	while (1) {
@@ -408,11 +404,7 @@ asmlinkage int sys_sigreturn(unsigned long r2, unsigned long r3,
 		goto badframe;
 
 	sigdelsetmask(&set, ~_BLOCKABLE);
-
-	spin_lock_irq(&current->sighand->siglock);
-	current->blocked = set;
-	recalc_sigpending();
-	spin_unlock_irq(&current->sighand->siglock);
+	set_current_blocked(&set);
 
 	if (restore_sigcontext(regs, &frame->sc, &ret))
 		goto badframe;
@@ -445,10 +437,7 @@ asmlinkage int sys_rt_sigreturn(unsigned long r2, unsigned long r3,
 		goto badframe;
 
 	sigdelsetmask(&set, ~_BLOCKABLE);
-	spin_lock_irq(&current->sighand->siglock);
-	current->blocked = set;
-	recalc_sigpending();
-	spin_unlock_irq(&current->sighand->siglock);
+	set_current_blocked(&set);
 
 	if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &ret))
 		goto badframe;
@@ -734,17 +723,8 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
 	else
 		ret = setup_frame(sig, ka, oldset, regs);
 
-	if (ka->sa.sa_flags & SA_ONESHOT)
-		ka->sa.sa_handler = SIG_DFL;
-
-	if (ret == 0) {
-		spin_lock_irq(&current->sighand->siglock);
-		sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
-		if (!(ka->sa.sa_flags & SA_NODEFER))
-			sigaddset(&current->blocked,sig);
-		recalc_sigpending();
-		spin_unlock_irq(&current->sighand->siglock);
-	}
+	if (ret == 0)
+		block_sigmask(ka, sig);
 
 	return ret;
 }
diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c
index f624174bf23..a17a14d3234 100644
--- a/arch/sh/kernel/smp.c
+++ b/arch/sh/kernel/smp.c
@@ -23,7 +23,6 @@
 #include <linux/sched.h>
 #include <linux/atomic.h>
 #include <asm/processor.h>
-#include <asm/system.h>
 #include <asm/mmu_context.h>
 #include <asm/smp.h>
 #include <asm/cacheflush.h>
diff --git a/arch/sh/kernel/syscalls_32.S b/arch/sh/kernel/syscalls_32.S
index ee56a9b1a98..4b68f0f7976 100644
--- a/arch/sh/kernel/syscalls_32.S
+++ b/arch/sh/kernel/syscalls_32.S
@@ -204,8 +204,8 @@ ENTRY(sys_call_table)
 	.long sys_capset           /* 185 */
 	.long sys_sigaltstack
 	.long sys_sendfile
-	.long sys_ni_syscall	/* streams1 */
-	.long sys_ni_syscall	/* streams2 */
+	.long sys_ni_syscall	/* getpmsg */
+	.long sys_ni_syscall	/* putpmsg */
 	.long sys_vfork            /* 190 */
 	.long sys_getrlimit
 	.long sys_mmap2
@@ -259,8 +259,8 @@ ENTRY(sys_call_table)
 	.long sys_futex		/* 240 */
 	.long sys_sched_setaffinity
 	.long sys_sched_getaffinity
-	.long sys_ni_syscall
-	.long sys_ni_syscall
+	.long sys_ni_syscall	/* reserved for set_thread_area */
+	.long sys_ni_syscall	/* reserved for get_thread_area */
 	.long sys_io_setup	/* 245 */
 	.long sys_io_destroy
 	.long sys_io_getevents
diff --git a/arch/sh/kernel/syscalls_64.S b/arch/sh/kernel/syscalls_64.S
index 9af7de26fb7..0956345b36e 100644
--- a/arch/sh/kernel/syscalls_64.S
+++ b/arch/sh/kernel/syscalls_64.S
@@ -208,8 +208,8 @@ sys_call_table:
 	.long sys_capset		/* 185 */
 	.long sys_sigaltstack
 	.long sys_sendfile
-	.long sys_ni_syscall	/* streams1 */
-	.long sys_ni_syscall	/* streams2 */
+	.long sys_ni_syscall	/* getpmsg */
+	.long sys_ni_syscall	/* putpmsg */
 	.long sys_vfork			/* 190 */
 	.long sys_getrlimit
 	.long sys_mmap2
@@ -296,8 +296,8 @@ sys_call_table:
 	.long sys_futex
 	.long sys_sched_setaffinity
 	.long sys_sched_getaffinity	/* 270 */
-	.long sys_ni_syscall
-	.long sys_ni_syscall
+	.long sys_ni_syscall		/* reserved for set_thread_area */
+	.long sys_ni_syscall		/* reserved for get_thread_area */
 	.long sys_io_setup
 	.long sys_io_destroy
 	.long sys_io_getevents		/* 275 */
diff --git a/arch/sh/kernel/traps.c b/arch/sh/kernel/traps.c
index 0830c2a9f71..a87e58a9e38 100644
--- a/arch/sh/kernel/traps.c
+++ b/arch/sh/kernel/traps.c
@@ -7,7 +7,7 @@
 #include <linux/uaccess.h>
 #include <linux/hardirq.h>
 #include <asm/unwinder.h>
-#include <asm/system.h>
+#include <asm/traps.h>
 
 #ifdef CONFIG_GENERIC_BUG
 static void handle_BUG(struct pt_regs *regs)
diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c
index 7bbef95c9d1..a37175deb73 100644
--- a/arch/sh/kernel/traps_32.c
+++ b/arch/sh/kernel/traps_32.c
@@ -27,10 +27,11 @@
 #include <linux/sysfs.h>
 #include <linux/uaccess.h>
 #include <linux/perf_event.h>
-#include <asm/system.h>
 #include <asm/alignment.h>
 #include <asm/fpu.h>
 #include <asm/kprobes.h>
+#include <asm/traps.h>
+#include <asm/bl_bit.h>
 
 #ifdef CONFIG_CPU_SH2
 # define TRAP_RESERVED_INST	4
diff --git a/arch/sh/kernel/traps_64.c b/arch/sh/kernel/traps_64.c
index cd3a4048329..6c0486094e4 100644
--- a/arch/sh/kernel/traps_64.c
+++ b/arch/sh/kernel/traps_64.c
@@ -25,7 +25,6 @@
 #include <linux/sysctl.h>
 #include <linux/module.h>
 #include <linux/perf_event.h>
-#include <asm/system.h>
 #include <asm/uaccess.h>
 #include <asm/io.h>
 #include <linux/atomic.h>
diff --git a/arch/sh/math-emu/math.c b/arch/sh/math-emu/math.c
index 97719521065..b876780c1e1 100644
--- a/arch/sh/math-emu/math.c
+++ b/arch/sh/math-emu/math.c
@@ -14,7 +14,6 @@
 #include <linux/signal.h>
 #include <linux/perf_event.h>
 
-#include <asm/system.h>
 #include <asm/uaccess.h>
 #include <asm/processor.h>
 #include <asm/io.h>
diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c
index f251b5f2765..b81d9dbf9fe 100644
--- a/arch/sh/mm/consistent.c
+++ b/arch/sh/mm/consistent.c
@@ -33,7 +33,8 @@ static int __init dma_init(void)
 fs_initcall(dma_init);
 
 void *dma_generic_alloc_coherent(struct device *dev, size_t size,
-				 dma_addr_t *dma_handle, gfp_t gfp)
+				 dma_addr_t *dma_handle, gfp_t gfp,
+				 struct dma_attrs *attrs)
 {
 	void *ret, *ret_nocache;
 	int order = get_order(size);
@@ -64,7 +65,8 @@ void *dma_generic_alloc_coherent(struct device *dev, size_t size,
 }
 
 void dma_generic_free_coherent(struct device *dev, size_t size,
-			       void *vaddr, dma_addr_t dma_handle)
+			       void *vaddr, dma_addr_t dma_handle,
+			       struct dma_attrs *attrs)
 {
 	int order = get_order(size);
 	unsigned long pfn = dma_handle >> PAGE_SHIFT;
diff --git a/arch/sh/mm/fault_32.c b/arch/sh/mm/fault_32.c
index 7bebd044f2a..324eef93c90 100644
--- a/arch/sh/mm/fault_32.c
+++ b/arch/sh/mm/fault_32.c
@@ -17,9 +17,9 @@
 #include <linux/kprobes.h>
 #include <linux/perf_event.h>
 #include <asm/io_trapped.h>
-#include <asm/system.h>
 #include <asm/mmu_context.h>
 #include <asm/tlbflush.h>
+#include <asm/traps.h>
 
 static inline int notify_page_fault(struct pt_regs *regs, int trap)
 {
diff --git a/arch/sh/mm/fault_64.c b/arch/sh/mm/fault_64.c
index 2b356cec248..44a341029e7 100644
--- a/arch/sh/mm/fault_64.c
+++ b/arch/sh/mm/fault_64.c
@@ -33,7 +33,6 @@
 #include <linux/mm.h>
 #include <linux/smp.h>
 #include <linux/interrupt.h>
-#include <asm/system.h>
 #include <asm/tlb.h>
 #include <asm/io.h>
 #include <asm/uaccess.h>
diff --git a/arch/sh/mm/flush-sh4.c b/arch/sh/mm/flush-sh4.c
index cef402678f4..75a17f5bfa1 100644
--- a/arch/sh/mm/flush-sh4.c
+++ b/arch/sh/mm/flush-sh4.c
@@ -1,6 +1,7 @@
 #include <linux/mm.h>
 #include <asm/mmu_context.h>
 #include <asm/cacheflush.h>
+#include <asm/traps.h>
 
 /*
  * Write back the dirty D-caches, but not invalidate them.
diff --git a/arch/sh/mm/pmb.c b/arch/sh/mm/pmb.c
index fad52f1f681..7160c9fd6fe 100644
--- a/arch/sh/mm/pmb.c
+++ b/arch/sh/mm/pmb.c
@@ -25,7 +25,6 @@
 #include <linux/vmalloc.h>
 #include <asm/cacheflush.h>
 #include <asm/sizes.h>
-#include <asm/system.h>
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
 #include <asm/page.h>
diff --git a/arch/sh/mm/tlb-pteaex.c b/arch/sh/mm/tlb-pteaex.c
index b71db6af806..4db21adfe5d 100644
--- a/arch/sh/mm/tlb-pteaex.c
+++ b/arch/sh/mm/tlb-pteaex.c
@@ -12,7 +12,6 @@
 #include <linux/kernel.h>
 #include <linux/mm.h>
 #include <linux/io.h>
-#include <asm/system.h>
 #include <asm/mmu_context.h>
 #include <asm/cacheflush.h>
 
diff --git a/arch/sh/mm/tlb-sh3.c b/arch/sh/mm/tlb-sh3.c
index 7a940dbfc2e..6554fb439f0 100644
--- a/arch/sh/mm/tlb-sh3.c
+++ b/arch/sh/mm/tlb-sh3.c
@@ -20,7 +20,6 @@
 #include <linux/smp.h>
 #include <linux/interrupt.h>
 
-#include <asm/system.h>
 #include <asm/io.h>
 #include <asm/uaccess.h>
 #include <asm/pgalloc.h>
diff --git a/arch/sh/mm/tlb-sh4.c b/arch/sh/mm/tlb-sh4.c
index cfdf7930d29..d42dd7e443d 100644
--- a/arch/sh/mm/tlb-sh4.c
+++ b/arch/sh/mm/tlb-sh4.c
@@ -11,7 +11,6 @@
 #include <linux/kernel.h>
 #include <linux/mm.h>
 #include <linux/io.h>
-#include <asm/system.h>
 #include <asm/mmu_context.h>
 #include <asm/cacheflush.h>
 
diff --git a/arch/sh/mm/tlbflush_64.c b/arch/sh/mm/tlbflush_64.c
index e3430e093d4..11c5a18f10e 100644
--- a/arch/sh/mm/tlbflush_64.c
+++ b/arch/sh/mm/tlbflush_64.c
@@ -22,7 +22,6 @@
 #include <linux/smp.h>
 #include <linux/perf_event.h>
 #include <linux/interrupt.h>
-#include <asm/system.h>
 #include <asm/io.h>
 #include <asm/tlb.h>
 #include <asm/uaccess.h>