Merge branch 'linux-2.6'

28 files changed, 1473 insertions, 743 deletions

diff --git a/arch/sh/kernel/Makefile b/arch/sh/kernel/Makefile
index ff30d7f5804..9104b625764 100644
--- a/arch/sh/kernel/Makefile
+++ b/arch/sh/kernel/Makefile
@@ -20,5 +20,6 @@ obj-$(CONFIG_SH_CPU_FREQ)	+= cpufreq.o
 obj-$(CONFIG_MODULES)		+= module.o
 obj-$(CONFIG_EARLY_PRINTK)	+= early_printk.o
 obj-$(CONFIG_KEXEC)		+= machine_kexec.o relocate_kernel.o
+obj-$(CONFIG_CRASH_DUMP)	+= crash_dump.o
 obj-$(CONFIG_PM)		+= pm.o
 obj-$(CONFIG_STACKTRACE)	+= stacktrace.o
diff --git a/arch/sh/kernel/cf-enabler.c b/arch/sh/kernel/cf-enabler.c
index 3e5fa1e24df..0758d48147a 100644
--- a/arch/sh/kernel/cf-enabler.c
+++ b/arch/sh/kernel/cf-enabler.c
@@ -29,7 +29,7 @@
  * 0xB8001000 : Common Memory
  * 0xBA000000 : I/O
  */
-#if defined(CONFIG_IDE) && defined(CONFIG_CPU_SH4)
+#if defined(CONFIG_CPU_SH4)
 /* SH4 can't access PCMCIA interface through P2 area.
  * we must remap it with appropreate attribute bit of the page set.
  * this part is based on Greg Banks' hd64465_ss.c implementation - Masahiro Abe */
@@ -71,7 +71,7 @@ static int __init cf_init_default(void)
 /* You must have enabled the card, and set the level interrupt
  * before reaching this point. Possibly in boot ROM or boot loader.
  */
-#if defined(CONFIG_IDE) && defined(CONFIG_CPU_SH4)
+#if defined(CONFIG_CPU_SH4)
 	allocate_cf_area();
 #endif
 #if defined(CONFIG_SH_UNKNOWN)
@@ -84,15 +84,25 @@ static int __init cf_init_default(void)
 
 #if defined(CONFIG_SH_SOLUTION_ENGINE)
 #include <asm/se.h>
+#elif defined(CONFIG_SH_7722_SOLUTION_ENGINE)
+#include <asm/se7722.h>
+#endif
 
 /*
- * SolutionEngine
+ * SolutionEngine Seriese
  *
+ * about MS770xSE
  * 0xB8400000 : Common Memory
  * 0xB8500000 : Attribute
  * 0xB8600000 : I/O
+ *
+ * about MS7722SE
+ * 0xB0400000 : Common Memory
+ * 0xB0500000 : Attribute
+ * 0xB0600000 : I/O
  */
 
+#if defined(CONFIG_SH_SOLUTION_ENGINE) || defined(CONFIG_SH_7722_SOLUTION_ENGINE) 
 static int __init cf_init_se(void)
 {
 	if ((ctrl_inw(MRSHPC_CSR) & 0x000c) != 0)
@@ -109,7 +119,7 @@ static int __init cf_init_se(void)
 	 *  flag == COMMON/ATTRIBUTE/IO
 	 */
 	/* common window open */
-	ctrl_outw(0x8a84, MRSHPC_MW0CR1);/* window 0xb8400000 */
+	ctrl_outw(0x8a84, MRSHPC_MW0CR1);
 	if((ctrl_inw(MRSHPC_CSR) & 0x4000) != 0)
 		/* common mode & bus width 16bit SWAP = 1*/
 		ctrl_outw(0x0b00, MRSHPC_MW0CR2);
@@ -118,7 +128,7 @@ static int __init cf_init_se(void)
 		ctrl_outw(0x0300, MRSHPC_MW0CR2); 
 
 	/* attribute window open */
-	ctrl_outw(0x8a85, MRSHPC_MW1CR1);/* window 0xb8500000 */
+	ctrl_outw(0x8a85, MRSHPC_MW1CR1);
 	if ((ctrl_inw(MRSHPC_CSR) & 0x4000) != 0)
 		/* attribute mode & bus width 16bit SWAP = 1*/
 		ctrl_outw(0x0a00, MRSHPC_MW1CR2);
@@ -127,7 +137,7 @@ static int __init cf_init_se(void)
 		ctrl_outw(0x0200, MRSHPC_MW1CR2);
 
 	/* I/O window open */
-	ctrl_outw(0x8a86, MRSHPC_IOWCR1);/* I/O window 0xb8600000 */
+	ctrl_outw(0x8a86, MRSHPC_IOWCR1);
 	ctrl_outw(0x0008, MRSHPC_CDCR);	 /* I/O card mode */
 	if ((ctrl_inw(MRSHPC_CSR) & 0x4000) != 0)
 		ctrl_outw(0x0a00, MRSHPC_IOWCR2); /* bus width 16bit SWAP = 1*/
@@ -143,10 +153,10 @@ static int __init cf_init_se(void)
 
 int __init cf_init(void)
 {
-#if defined(CONFIG_SH_SOLUTION_ENGINE)
-	if (MACH_SE)
+	if( mach_is_se() || mach_is_7722se() ){
 		return cf_init_se();
-#endif
+	}
+	
 	return cf_init_default();
 }
 
diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c
index abb586b1256..014f318f5a0 100644
--- a/arch/sh/kernel/cpu/clock.c
+++ b/arch/sh/kernel/cpu/clock.c
@@ -1,7 +1,7 @@
 /*
  * arch/sh/kernel/cpu/clock.c - SuperH clock framework
  *
- *  Copyright (C) 2005, 2006  Paul Mundt
+ *  Copyright (C) 2005, 2006, 2007  Paul Mundt
  *
  * This clock framework is derived from the OMAP version by:
  *
@@ -23,6 +23,7 @@
 #include <linux/seq_file.h>
 #include <linux/err.h>
 #include <linux/platform_device.h>
+#include <linux/proc_fs.h>
 #include <asm/clock.h>
 #include <asm/timer.h>
 
@@ -98,15 +99,17 @@ int __clk_enable(struct clk *clk)
 		if (clk->ops && clk->ops->init)
 			clk->ops->init(clk);
 
+	kref_get(&clk->kref);
+
 	if (clk->flags & CLK_ALWAYS_ENABLED)
 		return 0;
 
 	if (likely(clk->ops && clk->ops->enable))
 		clk->ops->enable(clk);
 
-	kref_get(&clk->kref);
 	return 0;
 }
+EXPORT_SYMBOL_GPL(__clk_enable);
 
 int clk_enable(struct clk *clk)
 {
@@ -119,6 +122,7 @@ int clk_enable(struct clk *clk)
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(clk_enable);
 
 static void clk_kref_release(struct kref *kref)
 {
@@ -127,11 +131,17 @@ static void clk_kref_release(struct kref *kref)
 
 void __clk_disable(struct clk *clk)
 {
+	int count = kref_put(&clk->kref, clk_kref_release);
+
 	if (clk->flags & CLK_ALWAYS_ENABLED)
 		return;
 
-	kref_put(&clk->kref, clk_kref_release);
+	if (!count) {	/* count reaches zero, disable the clock */
+		if (likely(clk->ops && clk->ops->disable))
+			clk->ops->disable(clk);
+	}
 }
+EXPORT_SYMBOL_GPL(__clk_disable);
 
 void clk_disable(struct clk *clk)
 {
@@ -141,6 +151,7 @@ void clk_disable(struct clk *clk)
 	__clk_disable(clk);
 	spin_unlock_irqrestore(&clock_lock, flags);
 }
+EXPORT_SYMBOL_GPL(clk_disable);
 
 int clk_register(struct clk *clk)
 {
@@ -151,8 +162,18 @@ int clk_register(struct clk *clk)
 
 	mutex_unlock(&clock_list_sem);
 
+	if (clk->flags & CLK_ALWAYS_ENABLED) {
+		pr_debug( "Clock '%s' is ALWAYS_ENABLED\n", clk->name);
+		if (clk->ops && clk->ops->init)
+			clk->ops->init(clk);
+		if (clk->ops && clk->ops->enable)
+			clk->ops->enable(clk);
+		pr_debug( "Enabled.");
+	}
+
 	return 0;
 }
+EXPORT_SYMBOL_GPL(clk_register);
 
 void clk_unregister(struct clk *clk)
 {
@@ -160,21 +181,29 @@ void clk_unregister(struct clk *clk)
 	list_del(&clk->node);
 	mutex_unlock(&clock_list_sem);
 }
+EXPORT_SYMBOL_GPL(clk_unregister);
 
-inline unsigned long clk_get_rate(struct clk *clk)
+unsigned long clk_get_rate(struct clk *clk)
 {
 	return clk->rate;
 }
+EXPORT_SYMBOL_GPL(clk_get_rate);
 
 int clk_set_rate(struct clk *clk, unsigned long rate)
 {
+	return clk_set_rate_ex(clk, rate, 0);
+}
+EXPORT_SYMBOL_GPL(clk_set_rate);
+
+int clk_set_rate_ex(struct clk *clk, unsigned long rate, int algo_id)
+{
 	int ret = -EOPNOTSUPP;
 
 	if (likely(clk->ops && clk->ops->set_rate)) {
 		unsigned long flags;
 
 		spin_lock_irqsave(&clock_lock, flags);
-		ret = clk->ops->set_rate(clk, rate);
+		ret = clk->ops->set_rate(clk, rate, algo_id);
 		spin_unlock_irqrestore(&clock_lock, flags);
 	}
 
@@ -183,6 +212,7 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(clk_set_rate_ex);
 
 void clk_recalc_rate(struct clk *clk)
 {
@@ -197,6 +227,7 @@ void clk_recalc_rate(struct clk *clk)
 	if (unlikely(clk->flags & CLK_RATE_PROPAGATES))
 		propagate_rate(clk);
 }
+EXPORT_SYMBOL_GPL(clk_recalc_rate);
 
 /*
  * Returns a clock. Note that we first try to use device id on the bus
@@ -233,18 +264,43 @@ found:
 
 	return clk;
 }
+EXPORT_SYMBOL_GPL(clk_get);
 
 void clk_put(struct clk *clk)
 {
 	if (clk && !IS_ERR(clk))
 		module_put(clk->owner);
 }
+EXPORT_SYMBOL_GPL(clk_put);
 
 void __init __attribute__ ((weak))
 arch_init_clk_ops(struct clk_ops **ops, int type)
 {
 }
 
+static int show_clocks(char *buf, char **start, off_t off,
+		       int len, int *eof, void *data)
+{
+	struct clk *clk;
+	char *p = buf;
+
+	list_for_each_entry_reverse(clk, &clock_list, node) {
+		unsigned long rate = clk_get_rate(clk);
+
+		/*
+		 * Don't bother listing dummy clocks with no ancestry
+		 * that only support enable and disable ops.
+		 */
+		if (unlikely(!rate && !clk->parent))
+			continue;
+
+		p += sprintf(p, "%-12s\t: %ld.%02ldMHz\n", clk->name,
+			     rate / 1000000, (rate % 1000000) / 10000);
+	}
+
+	return p - buf;
+}
+
 int __init clk_init(void)
 {
 	int i, ret = 0;
@@ -256,7 +312,6 @@ int __init clk_init(void)
 
 		arch_init_clk_ops(&clk->ops, i);
 		ret |= clk_register(clk);
-		clk_enable(clk);
 	}
 
 	/* Kick the child clocks.. */
@@ -266,35 +321,14 @@ int __init clk_init(void)
 	return ret;
 }
 
-int show_clocks(struct seq_file *m)
+static int __init clk_proc_init(void)
 {
-	struct clk *clk;
-
-	list_for_each_entry_reverse(clk, &clock_list, node) {
-		unsigned long rate = clk_get_rate(clk);
-
-		/*
-		 * Don't bother listing dummy clocks with no ancestry
-		 * that only support enable and disable ops.
-		 */
-		if (unlikely(!rate && !clk->parent))
-			continue;
-
-		seq_printf(m, "%-12s\t: %ld.%02ldMHz\n", clk->name,
-			   rate / 1000000, (rate % 1000000) / 10000);
-	}
+	struct proc_dir_entry *p;
+	p = create_proc_read_entry("clocks", S_IRUSR, NULL,
+				   show_clocks, NULL);
+	if (unlikely(!p))
+		return -EINVAL;
 
 	return 0;
 }
-
-EXPORT_SYMBOL_GPL(clk_register);
-EXPORT_SYMBOL_GPL(clk_unregister);
-EXPORT_SYMBOL_GPL(clk_get);
-EXPORT_SYMBOL_GPL(clk_put);
-EXPORT_SYMBOL_GPL(clk_enable);
-EXPORT_SYMBOL_GPL(clk_disable);
-EXPORT_SYMBOL_GPL(__clk_enable);
-EXPORT_SYMBOL_GPL(__clk_disable);
-EXPORT_SYMBOL_GPL(clk_get_rate);
-EXPORT_SYMBOL_GPL(clk_set_rate);
-EXPORT_SYMBOL_GPL(clk_recalc_rate);
+subsys_initcall(clk_proc_init);
diff --git a/arch/sh/kernel/cpu/init.c b/arch/sh/kernel/cpu/init.c
index 726acfcb9b7..6451ad63017 100644
--- a/arch/sh/kernel/cpu/init.c
+++ b/arch/sh/kernel/cpu/init.c
@@ -41,6 +41,23 @@ __setup("no" __stringify(x), x##_setup);
 onchip_setup(fpu);
 onchip_setup(dsp);
 
+#ifdef CONFIG_SPECULATIVE_EXECUTION
+#define CPUOPM		0xff2f0000
+#define CPUOPM_RABD	(1 << 5)
+
+static void __init speculative_execution_init(void)
+{
+	/* Clear RABD */
+	ctrl_outl(ctrl_inl(CPUOPM) & ~CPUOPM_RABD, CPUOPM);
+
+	/* Flush the update */
+	(void)ctrl_inl(CPUOPM);
+	ctrl_barrier();
+}
+#else
+#define speculative_execution_init()	do { } while (0)
+#endif
+
 /*
  * Generic first-level cache init
  */
@@ -261,4 +278,6 @@ asmlinkage void __init sh_cpu_init(void)
 	 */
 	ubc_wakeup();
 #endif
+
+	speculative_execution_init();
 }
diff --git a/arch/sh/kernel/cpu/irq/Makefile b/arch/sh/kernel/cpu/irq/Makefile
index 0049d217561..1c23308cfc2 100644
--- a/arch/sh/kernel/cpu/irq/Makefile
+++ b/arch/sh/kernel/cpu/irq/Makefile
@@ -4,6 +4,6 @@
 obj-y	+= imask.o
 
 obj-$(CONFIG_CPU_HAS_IPR_IRQ)		+= ipr.o
-obj-$(CONFIG_CPU_HAS_PINT_IRQ)		+= pint.o
+obj-$(CONFIG_CPU_HAS_PINT_IRQ)		+= pint.o 
 obj-$(CONFIG_CPU_HAS_MASKREG_IRQ)	+= maskreg.o
 obj-$(CONFIG_CPU_HAS_INTC2_IRQ)		+= intc2.o
diff --git a/arch/sh/kernel/cpu/irq/intc2.c b/arch/sh/kernel/cpu/irq/intc2.c
index 74defe76a05..d8e22f4ff0f 100644
--- a/arch/sh/kernel/cpu/irq/intc2.c
+++ b/arch/sh/kernel/cpu/irq/intc2.c
@@ -18,7 +18,8 @@
 #define INTC2_BASE	0xfe080000
 #define INTC2_INTMSK	(INTC2_BASE + 0x40)
 #define INTC2_INTMSKCLR	(INTC2_BASE + 0x60)
-#elif defined(CONFIG_CPU_SUBTYPE_SH7780)
+#elif defined(CONFIG_CPU_SUBTYPE_SH7780) || \
+      defined(CONFIG_CPU_SUBTYPE_SH7785)
 #define INTC2_BASE	0xffd40000
 #define INTC2_INTMSK	(INTC2_BASE + 0x38)
 #define INTC2_INTMSKCLR	(INTC2_BASE + 0x3c)
diff --git a/arch/sh/kernel/cpu/irq/pint.c b/arch/sh/kernel/cpu/irq/pint.c
index f60007783a2..67602685df1 100644
--- a/arch/sh/kernel/cpu/irq/pint.c
+++ b/arch/sh/kernel/cpu/irq/pint.c
@@ -18,6 +18,58 @@
 #include <asm/io.h>
 #include <asm/machvec.h>
 
+#if defined(CONFIG_CPU_SUBTYPE_SH7705)
+#define INTC_INTER      0xA4000014UL
+#define INTC_IPRD       0xA4000018UL
+#define INTC_ICR2       0xA4000012UL
+
+/* PFC */
+#define PORT_PACR       0xA4000100UL
+#define PORT_PBCR       0xA4000102UL
+#define PORT_PCCR       0xA4000104UL
+#define PORT_PDCR       0xA4000106UL
+#define PORT_PECR       0xA4000108UL
+#define PORT_PFCR       0xA400010AUL
+#define PORT_PGCR       0xA400010CUL
+#define PORT_PHCR       0xA400010EUL
+#define PORT_PJCR       0xA4000110UL
+#define PORT_PKCR       0xA4000112UL
+#define PORT_PLCR       0xA4000114UL
+#define PORT_PMCR       0xA4000118UL
+#define PORT_PNCR       0xA400011AUL
+#define PORT_PECR2      0xA4050148UL
+#define PORT_PFCR2      0xA405014AUL
+#define PORT_PNCR2      0xA405015AUL
+
+/* I/O port */
+#define PORT_PADR       0xA4000120UL
+#define PORT_PBDR       0xA4000122UL
+#define PORT_PCDR       0xA4000124UL
+#define PORT_PDDR       0xA4000126UL
+#define PORT_PEDR       0xA4000128UL
+#define PORT_PFDR       0xA400012AUL
+#define PORT_PGDR       0xA400012CUL
+#define PORT_PHDR       0xA400012EUL
+#define PORT_PJDR       0xA4000130UL
+#define PORT_PKDR       0xA4000132UL
+#define PORT_PLDR       0xA4000134UL
+#define PORT_PMDR       0xA4000138UL
+#define PORT_PNDR       0xA400013AUL
+
+#define PINT0_IRQ       40
+#define PINT8_IRQ       41
+#define PINT_IRQ_BASE   86
+
+#define PINT0_IPR_ADDR          INTC_IPRD
+#define PINT0_IPR_POS           3
+#define PINT0_PRIORITY      2
+
+#define PINT8_IPR_ADDR          INTC_IPRD
+#define PINT8_IPR_POS           2
+#define PINT8_PRIORITY      2
+
+#endif /* CONFIG_CPU_SUBTYPE_SH7705 */
+
 static unsigned char pint_map[256];
 static unsigned long portcr_mask;
 
@@ -126,7 +178,7 @@ int ipr_irq_demux(int irq)
 	unsigned long creg, dreg, d, sav;
 
 	if (irq == PINT0_IRQ) {
-#if defined(CONFIG_CPU_SUBTYPE_SH7707)
+#if defined(CONFIG_CPU_SUBTYPE_SH7705) || defined(CONFIG_CPU_SUBTYPE_SH7707)
 		creg = PORT_PACR;
 		dreg = PORT_PADR;
 #else
@@ -144,7 +196,7 @@ int ipr_irq_demux(int irq)
 
 		return PINT_IRQ_BASE + pint_map[d];
 	} else if (irq == PINT8_IRQ) {
-#if defined(CONFIG_CPU_SUBTYPE_SH7707)
+#if defined(CONFIG_CPU_SUBTYPE_SH7705) || defined(CONFIG_CPU_SUBTYPE_SH7707)
 		creg = PORT_PBCR;
 		dreg = PORT_PBDR;
 #else
diff --git a/arch/sh/kernel/cpu/sh3/Makefile b/arch/sh/kernel/cpu/sh3/Makefile
index 83905e4e438..09faa056cd4 100644
--- a/arch/sh/kernel/cpu/sh3/Makefile
+++ b/arch/sh/kernel/cpu/sh3/Makefile
@@ -12,6 +12,7 @@ obj-$(CONFIG_CPU_SUBTYPE_SH7708)	+= setup-sh7708.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7709)	+= setup-sh7709.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7300)	+= setup-sh7300.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7710)	+= setup-sh7710.o
+obj-$(CONFIG_CPU_SUBTYPE_SH7712)	+= setup-sh7710.o
 
 # Primary on-chip clocks (common)
 clock-$(CONFIG_CPU_SH3)			:= clock-sh3.o
diff --git a/arch/sh/kernel/cpu/sh3/probe.c b/arch/sh/kernel/cpu/sh3/probe.c
index 821b0ab7b52..647623b22ed 100644
--- a/arch/sh/kernel/cpu/sh3/probe.c
+++ b/arch/sh/kernel/cpu/sh3/probe.c
@@ -78,6 +78,9 @@ int __init detect_cpu_and_cache_system(void)
 #if defined(CONFIG_CPU_SUBTYPE_SH7710)
 		current_cpu_data.type = CPU_SH7710;
 #endif
+#if defined(CONFIG_CPU_SUBTYPE_SH7712)
+		current_cpu_data.type = CPU_SH7712;
+#endif
 #if defined(CONFIG_CPU_SUBTYPE_SH7705)
 		current_cpu_data.type = CPU_SH7705;
 
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7705.c b/arch/sh/kernel/cpu/sh3/setup-sh7705.c
index a8e41c5241f..1983fb7ad6e 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh7705.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7705.c
@@ -2,6 +2,7 @@
  * SH7705 Setup
  *
  *  Copyright (C) 2006  Paul Mundt
+ *  Copyright (C) 2007  Nobuhiro Iwamatsu
  *
  * 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
@@ -14,15 +15,15 @@
 
 static struct plat_sci_port sci_platform_data[] = {
 	{
-		.mapbase	= 0xa4400000,
+		.mapbase	= 0xa4410000,
 		.flags		= UPF_BOOT_AUTOCONF,
 		.type		= PORT_SCIF,
-		.irqs		= { 52, 53, 55, 54 },
+		.irqs		= { 56, 57, 59 },
 	}, {
-		.mapbase	= 0xa4410000,
+		.mapbase	= 0xa4400000,
 		.flags		= UPF_BOOT_AUTOCONF,
 		.type		= PORT_SCIF,
-		.irqs		= { 56, 57, 59, 58 },
+		.irqs		= { 52, 53, 55 },
 	}, {
 		.flags = 0,
 	}
@@ -46,3 +47,48 @@ static int __init sh7705_devices_setup(void)
 				    ARRAY_SIZE(sh7705_devices));
 }
 __initcall(sh7705_devices_setup);
+
+static struct ipr_data sh7705_ipr_map[] = {
+	/* IRQ, IPR-idx, shift, priority */
+	{ 16, 0, 12, 2 }, /* TMU0 TUNI*/
+	{ 17, 0,  8, 2 }, /* TMU1 TUNI */
+	{ 18, 0,  4, 2 }, /* TMU2 TUNI */
+	{ 27, 1, 12, 2 }, /* WDT ITI */
+	{ 20, 0,  0, 2 }, /* RTC ATI (alarm) */
+	{ 21, 0,  0, 2 }, /* RTC PRI (period) */
+	{ 22, 0,  0, 2 }, /* RTC CUI (carry) */
+	{ 48, 4, 12, 7 }, /* DMAC DMTE0 */
+	{ 49, 4, 12, 7 }, /* DMAC DMTE1 */
+	{ 50, 4, 12, 7 }, /* DMAC DMTE2 */
+	{ 51, 4, 12, 7 }, /* DMAC DMTE3 */
+	{ 52, 4,  8, 3 }, /* SCIF0 ERI */
+	{ 53, 4,  8, 3 }, /* SCIF0 RXI */
+	{ 55, 4,  8, 3 }, /* SCIF0 TXI */
+	{ 56, 4,  4, 3 }, /* SCIF1 ERI */
+	{ 57, 4,  4, 3 }, /* SCIF1 RXI */
+	{ 59, 4,  4, 3 }, /* SCIF1 TXI */
+};
+
+static unsigned long ipr_offsets[] = {
+	0xFFFFFEE2	/* 0: IPRA */
+,	0xFFFFFEE4	/* 1: IPRB */
+,	0xA4000016	/* 2: IPRC */
+,	0xA4000018	/* 3: IPRD */
+,	0xA400001A	/* 4: IPRE */
+,	0xA4080000	/* 5: IPRF */
+,	0xA4080002	/* 6: IPRG */
+,	0xA4080004	/* 7: IPRH */
+};
+
+/* given the IPR index return the address of the IPR register */
+unsigned int map_ipridx_to_addr(int idx)
+{
+	if (idx >= ARRAY_SIZE(ipr_offsets))
+		return 0;
+	return ipr_offsets[idx];
+}
+
+void __init init_IRQ_ipr()
+{
+	make_ipr_irq(sh7705_ipr_map, ARRAY_SIZE(sh7705_ipr_map));
+}
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7709.c b/arch/sh/kernel/cpu/sh3/setup-sh7709.c
index dc9b211cf87..c7d7c35fc83 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh7709.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7709.c
@@ -48,24 +48,33 @@ static struct platform_device *sh7709_devices[] __initdata = {
 static int __init sh7709_devices_setup(void)
 {
 	return platform_add_devices(sh7709_devices,
-				    ARRAY_SIZE(sh7709_devices));
+		ARRAY_SIZE(sh7709_devices));
 }
 __initcall(sh7709_devices_setup);
 
-#define IPRx(A,N) .addr=A, .shift=0*N*-1
+#define IPRx(A,N)	.addr=A, .shift=N
 #define IPRA(N)	IPRx(0xfffffee2UL,N)
 #define IPRB(N)	IPRx(0xfffffee4UL,N)
+#define IPRC(N)	IPRx(0xa4000016UL,N)
+#define IPRD(N)	IPRx(0xa4000018UL,N)
 #define IPRE(N)	IPRx(0xa400001aUL,N)
 
 static struct ipr_data sh7709_ipr_map[] = {
-	[16]		= { IPRA(15-12), 2 }, /* TMU TUNI0 */
-	[17]		= { IPRA(11-8),  4 }, /* TMU TUNI1 */
-	[22]		= { IPRA(3-0),   2 }, /* RTC CUI */
-	[23 ... 26]	= { IPRB(7-4),   3 }, /* SCI */
-	[27]		= { IPRB(15-12), 2 }, /* WDT ITI */
-	[48 ... 51]	= { IPRE(15-12), 7 }, /* DMA */
-	[52 ... 55]	= { IPRE(11-8),  3 }, /* IRDA */
-	[56 ... 59]	= { IPRE(7-4),   3 }, /* SCIF */
+	[16]		= { IPRA(12), 2 }, /* TMU TUNI0 */
+	[17]		= { IPRA(8),  4 }, /* TMU TUNI1 */
+	[18 ... 19]	= { IPRA(4),  1 }, /* TMU TUNI1 */
+	[20 ... 22]	= { IPRA(0),  2 }, /* RTC CUI */
+	[23 ... 26]	= { IPRB(4),  3 }, /* SCI */
+	[27]		= { IPRB(12), 2 }, /* WDT ITI */
+	[32]		= { IPRC(0),  1 }, /* IRQ 0 */
+	[33]		= { IPRC(4),  1 }, /* IRQ 1 */
+	[34]		= { IPRC(8),  1 }, /* IRQ 2 APM */
+	[35]		= { IPRC(12), 1 }, /* IRQ 3 TOUCHSCREEN */
+	[36]		= { IPRD(0),  1 }, /* IRQ 4 */
+	[37]		= { IPRD(4),  1 }, /* IRQ 5 */
+	[48 ... 51]	= { IPRE(12), 7 }, /* DMA */
+	[52 ... 55]	= { IPRE(8),  3 }, /* IRDA */
+	[56 ... 59]	= { IPRE(4),  3 }, /* SCIF */
 };
 
 void __init init_IRQ_ipr()
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7710.c b/arch/sh/kernel/cpu/sh3/setup-sh7710.c
index 895f99ee6a9..51760a7e7f1 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh7710.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7710.c
@@ -2,6 +2,7 @@
  * SH7710 Setup
  *
  *  Copyright (C) 2006  Paul Mundt
+ *  Copyright (C) 2007  Nobuhiro Iwamatsu
  *
  * 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
@@ -19,6 +20,12 @@ static struct plat_sci_port sci_platform_data[] = {
 		.type		= PORT_SCIF,
 		.irqs		= { 52, 53, 55, 54 },
 	}, {
+		.mapbase	= 0xa4420000,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCIF,
+		.irqs           = { 56, 57, 59, 58 },
+	}, {
+
 		.flags = 0,
 	}
 };
@@ -41,3 +48,56 @@ static int __init sh7710_devices_setup(void)
 				    ARRAY_SIZE(sh7710_devices));
 }
 __initcall(sh7710_devices_setup);
+
+static struct ipr_data sh7710_ipr_map[] = {
+	/* IRQ, IPR-idx, shift, priority */
+	{ 16, 0, 12, 2 }, /* TMU0 TUNI*/
+	{ 17, 0,  8, 2 }, /* TMU1 TUNI */
+	{ 18, 0,  4, 2 }, /* TMU2 TUNI */
+	{ 27, 1, 12, 2 }, /* WDT ITI */
+	{ 20, 0,  0, 2 }, /* RTC ATI (alarm) */
+	{ 21, 0,  0, 2 }, /* RTC PRI (period) */
+	{ 22, 0,  0, 2 }, /* RTC CUI (carry) */
+	{ 48, 4, 12, 7 }, /* DMAC DMTE0 */
+	{ 49, 4, 12, 7 }, /* DMAC DMTE1 */
+	{ 50, 4, 12, 7 }, /* DMAC DMTE2 */
+	{ 51, 4, 12, 7 }, /* DMAC DMTE3 */
+	{ 52, 4,  8, 3 }, /* SCIF0 ERI */
+	{ 53, 4,  8, 3 }, /* SCIF0 RXI */
+	{ 54, 4,  8, 3 }, /* SCIF0 BRI */
+	{ 55, 4,  8, 3 }, /* SCIF0 TXI */
+	{ 56, 4,  4, 3 }, /* SCIF1 ERI */
+	{ 57, 4,  4, 3 }, /* SCIF1 RXI */
+	{ 58, 4,  4, 3 }, /* SCIF1 BRI */
+	{ 59, 4,  4, 3 }, /* SCIF1 TXI */
+	{ 76, 5,  8, 7 }, /* DMAC DMTE4 */
+	{ 77, 5,  8, 7 }, /* DMAC DMTE5 */
+	{ 80, 6, 12, 5 }, /* EDMAC EINT0 */
+	{ 81, 6,  8, 5 }, /* EDMAC EINT1 */
+	{ 82, 6,  4, 5 }, /* EDMAC EINT2 */
+};
+
+static unsigned long ipr_offsets[] = {
+	0xA414FEE2	/* 0: IPRA */
+,	0xA414FEE4	/* 1: IPRB */
+,	0xA4140016	/* 2: IPRC */
+,	0xA4140018	/* 3: IPRD */
+,	0xA414001A	/* 4: IPRE */
+,	0xA4080000	/* 5: IPRF */
+,	0xA4080002	/* 6: IPRG */
+,	0xA4080004	/* 7: IPRH */
+,	0xA4080006	/* 8: IPRI */
+};
+
+/* given the IPR index return the address of the IPR register */
+unsigned int map_ipridx_to_addr(int idx)
+{
+	if (idx >= ARRAY_SIZE(ipr_offsets))
+		return 0;
+	return ipr_offsets[idx];
+}
+
+void __init init_IRQ_ipr()
+{
+	make_ipr_irq(sh7710_ipr_map, ARRAY_SIZE(sh7710_ipr_map));
+}
diff --git a/arch/sh/kernel/cpu/sh4/clock-sh4-202.c b/arch/sh/kernel/cpu/sh4/clock-sh4-202.c
index fa2019aabd7..fcb2c41bc34 100644
--- a/arch/sh/kernel/cpu/sh4/clock-sh4-202.c
+++ b/arch/sh/kernel/cpu/sh4/clock-sh4-202.c
@@ -82,7 +82,8 @@ static void shoc_clk_init(struct clk *clk)
 	for (i = 0; i < ARRAY_SIZE(frqcr3_divisors); i++) {
 		int divisor = frqcr3_divisors[i];
 
-		if (clk->ops->set_rate(clk, clk->parent->rate / divisor) == 0)
+		if (clk->ops->set_rate(clk, clk->parent->rate /
+						divisor, 0) == 0)
 			break;
 	}
 
diff --git a/arch/sh/kernel/cpu/sh4/probe.c b/arch/sh/kernel/cpu/sh4/probe.c
index 58950de2696..8cd04904c77 100644
--- a/arch/sh/kernel/cpu/sh4/probe.c
+++ b/arch/sh/kernel/cpu/sh4/probe.c
@@ -124,6 +124,14 @@ int __init detect_cpu_and_cache_system(void)
 		current_cpu_data.dcache.ways = 4;
 		current_cpu_data.flags |= CPU_HAS_LLSC;
 		break;
+	case 0x3004:
+	case 0x3007:
+		current_cpu_data.type = CPU_SH7785;
+		current_cpu_data.icache.ways = 4;
+		current_cpu_data.dcache.ways = 4;
+		current_cpu_data.flags |= CPU_HAS_FPU | CPU_HAS_PERF_COUNTER |
+					  CPU_HAS_LLSC;
+		break;
 	case 0x3008:
 		if (prr == 0xa0) {
 			current_cpu_data.type = CPU_SH7722;
diff --git a/arch/sh/kernel/cpu/sh4a/Makefile b/arch/sh/kernel/cpu/sh4a/Makefile
index a8f493f2f21..ab7422f8f82 100644
--- a/arch/sh/kernel/cpu/sh4a/Makefile
+++ b/arch/sh/kernel/cpu/sh4a/Makefile
@@ -5,6 +5,7 @@
 # CPU subtype setup
 obj-$(CONFIG_CPU_SUBTYPE_SH7770)	+= setup-sh7770.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7780)	+= setup-sh7780.o
+obj-$(CONFIG_CPU_SUBTYPE_SH7785)	+= setup-sh7785.o
 obj-$(CONFIG_CPU_SUBTYPE_SH73180)	+= setup-sh73180.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7343)	+= setup-sh7343.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7722)	+= setup-sh7722.o
@@ -13,7 +14,8 @@ obj-$(CONFIG_CPU_SUBTYPE_SH7722)	+= setup-sh7722.o
 clock-$(CONFIG_CPU_SUBTYPE_SH73180)	:= clock-sh73180.o
 clock-$(CONFIG_CPU_SUBTYPE_SH7770)	:= clock-sh7770.o
 clock-$(CONFIG_CPU_SUBTYPE_SH7780)	:= clock-sh7780.o
+clock-$(CONFIG_CPU_SUBTYPE_SH7785)	:= clock-sh7785.o
 clock-$(CONFIG_CPU_SUBTYPE_SH7343)	:= clock-sh7343.o
-clock-$(CONFIG_CPU_SUBTYPE_SH7722)	:= clock-sh7343.o
+clock-$(CONFIG_CPU_SUBTYPE_SH7722)	:= clock-sh7722.o
 
 obj-y	+= $(clock-y)
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c
new file mode 100644
index 00000000000..29090035bc5
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c
@@ -0,0 +1,600 @@
+/*
+ * arch/sh/kernel/cpu/sh4a/clock-sh7722.c
+ *
+ * SH7722 support for the clock framework
+ *
+ * Copyright (c) 2006-2007 Nomad Global Solutions Inc
+ * Based on code for sh7343 by Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <linux/errno.h>
+#include <asm/clock.h>
+#include <asm/freq.h>
+
+#define SH7722_PLL_FREQ (32000000/8)
+#define N  (-1)
+#define NM (-2)
+#define ROUND_NEAREST 0
+#define ROUND_DOWN -1
+#define ROUND_UP   +1
+
+static int adjust_algos[][3] = {
+	{},	/* NO_CHANGE */
+	{ NM, N, 1 },   /* N:1, N:1 */
+	{ 3, 2, 2 },	/* 3:2:2 */
+	{ 5, 2, 2 },    /* 5:2:2 */
+	{ N, 1, 1 },	/* N:1:1 */
+
+	{ N, 1 },	/* N:1 */
+
+	{ N, 1 },	/* N:1 */
+	{ 3, 2 },
+	{ 4, 3 },
+	{ 5, 4 },
+
+	{ N, 1 }
+};
+
+static unsigned long adjust_pair_of_clocks(unsigned long r1, unsigned long r2,
+			int m1, int m2, int round_flag)
+{
+	unsigned long rem, div;
+	int the_one = 0;
+
+	pr_debug( "Actual values: r1 = %ld\n", r1);
+	pr_debug( "...............r2 = %ld\n", r2);
+
+	if (m1 == m2) {
+		r2 = r1;
+		pr_debug( "setting equal rates: r2 now %ld\n", r2);
+	} else if ((m2 == N  && m1 == 1) ||
+		   (m2 == NM && m1 == N)) { /* N:1 or NM:N */
+		pr_debug( "Setting rates as 1:N (N:N*M)\n");
+		rem = r2 % r1;
+		pr_debug( "...remainder = %ld\n", rem);
+		if (rem) {
+			div = r2 / r1;
+			pr_debug( "...div = %ld\n", div);
+			switch (round_flag) {
+			case ROUND_NEAREST:
+				the_one = rem >= r1/2 ? 1 : 0; break;
+			case ROUND_UP:
+				the_one = 1; break;
+			case ROUND_DOWN:
+				the_one = 0; break;
+			}
+
+			r2 = r1 * (div + the_one);
+			pr_debug( "...setting r2 to %ld\n", r2);
+		}
+	} else if ((m2 == 1  && m1 == N) ||
+		   (m2 == N && m1 == NM)) { /* 1:N or N:NM */
+		pr_debug( "Setting rates as N:1 (N*M:N)\n");
+		rem = r1 % r2;
+		pr_debug( "...remainder = %ld\n", rem);
+		if (rem) {
+			div = r1 / r2;
+			pr_debug( "...div = %ld\n", div);
+			switch (round_flag) {
+			case ROUND_NEAREST:
+				the_one = rem > r2/2 ? 1 : 0; break;
+			case ROUND_UP:
+				the_one = 0; break;
+			case ROUND_DOWN:
+				the_one = 1; break;
+			}
+
+			r2 = r1 / (div + the_one);
+			pr_debug( "...setting r2 to %ld\n", r2);
+		}
+	} else { /* value:value */
+		pr_debug( "Setting rates as %d:%d\n", m1, m2);
+		div = r1 / m1;
+		r2 = div * m2;
+		pr_debug( "...div = %ld\n", div);
+		pr_debug( "...setting r2 to %ld\n", r2);
+	}
+
+	return r2;
+}
+
+static void adjust_clocks(int originate, int *l, unsigned long v[],
+			  int n_in_line)
+{
+	int x;
+
+	pr_debug( "Go down from %d...\n", originate);
+	/* go up recalculation clocks */
+	for (x = originate; x>0; x -- )
+		v[x-1] = adjust_pair_of_clocks(v[x], v[x-1],
+					l[x], l[x-1],
+					ROUND_UP);
+
+	pr_debug( "Go up from %d...\n", originate);
+	/* go down recalculation clocks */
+	for (x = originate; x<n_in_line - 1; x ++ )
+		v[x+1] = adjust_pair_of_clocks(v[x], v[x+1],
+					l[x], l[x+1],
+					ROUND_UP);
+}
+
+
+/*
+ * SH7722 uses a common set of multipliers and divisors, so this
+ * is quite simple..
+ */
+
+/*
+ * Instead of having two separate multipliers/divisors set, like this:
+ *
+ * static int multipliers[] = { 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1 };
+ * static int divisors[] = { 1, 3, 2, 5, 3, 4, 5, 6, 8, 10, 12, 16, 20 };
+ *
+ * I created the divisors2 array, which is used to calculate rate like
+ *   rate = parent * 2 / divisors2[ divisor ];
+*/
+static int divisors2[] = { 2, 3, 4, 5, 6, 8, 10, 12, 16, 20, 24, 32, 40 };
+
+static void master_clk_init(struct clk *clk)
+{
+	clk_set_rate(clk, clk_get_rate(clk));
+}
+
+static void master_clk_recalc(struct clk *clk)
+{
+	unsigned long frqcr = ctrl_inl(FRQCR);
+
+	clk->rate = CONFIG_SH_PCLK_FREQ * (1 + (frqcr >> 24 & 0xF));
+}
+
+static int master_clk_setrate(struct clk *clk, unsigned long rate, int id)
+{
+	int div = rate / SH7722_PLL_FREQ;
+	int master_divs[] = { 2, 3, 4, 6, 8, 16 };
+	int index;
+	unsigned long frqcr;
+
+	if (rate < SH7722_PLL_FREQ * 2)
+		return -EINVAL;
+
+	for (index = 1; index < ARRAY_SIZE(master_divs); index++)
+		if (div >= master_divs[index - 1] && div < master_divs[index])
+			break;
+
+	if (index >= ARRAY_SIZE(master_divs))
+		index = ARRAY_SIZE(master_divs);
+	div = master_divs[index - 1];
+
+	frqcr = ctrl_inl(FRQCR);
+	frqcr &= ~(0xF << 24);
+	frqcr |= ( (div-1) << 24);
+	ctrl_outl(frqcr, FRQCR);
+
+	return 0;
+}
+
+static struct clk_ops sh7722_master_clk_ops = {
+	.init = master_clk_init,
+	.recalc = master_clk_recalc,
+	.set_rate = master_clk_setrate,
+};
+
+struct frqcr_context {
+	unsigned mask;
+	unsigned shift;
+};
+
+struct frqcr_context sh7722_get_clk_context(const char *name)
+{
+	struct frqcr_context ctx = { 0, };
+
+	if (!strcmp(name, "peripheral_clk")) {
+		ctx.shift = 0;
+		ctx.mask = 0xF;
+	} else if (!strcmp(name, "sdram_clk")) {
+		ctx.shift = 4;
+		ctx.mask = 0xF;
+	} else if (!strcmp(name, "bus_clk")) {
+		ctx.shift = 8;
+		ctx.mask = 0xF;
+	} else if (!strcmp(name, "sh_clk")) {
+		ctx.shift = 12;
+		ctx.mask = 0xF;
+	} else if (!strcmp(name, "umem_clk")) {
+		ctx.shift = 16;
+		ctx.mask = 0xF;
+	} else if (!strcmp(name, "cpu_clk")) {
+		ctx.shift = 20;
+		ctx.mask = 7;
+	}
+	return ctx;
+}
+
+/**
+ * sh7722_find_divisors - find divisor for setting rate
+ *
+ * All sh7722 clocks use the same set of multipliers/divisors. This function
+ * chooses correct divisor to set the rate of clock with parent clock that
+ * generates frequency of 'parent_rate'
+ *
+ * @parent_rate: rate of parent clock
+ * @rate: requested rate to be set
+ */
+static int sh7722_find_divisors(unsigned long parent_rate, unsigned rate)
+{
+	unsigned div2 = parent_rate * 2 / rate;
+	int index;
+
+	if (rate > parent_rate)
+		return -EINVAL;
+
+	for (index = 1; index < ARRAY_SIZE(divisors2); index++) {
+		if (div2 > divisors2[index] && div2 <= divisors2[index])
+			break;
+	}
+	if (index >= ARRAY_SIZE(divisors2))
+		index = ARRAY_SIZE(divisors2) - 1;
+	return divisors2[index];
+}
+
+static void sh7722_frqcr_recalc(struct clk *clk)
+{
+	struct frqcr_context ctx = sh7722_get_clk_context(clk->name);
+	unsigned long frqcr = ctrl_inl(FRQCR);
+	int index;
+
+	index = (frqcr >> ctx.shift) & ctx.mask;
+	clk->rate = clk->parent->rate * 2 / divisors2[index];
+}
+
+static int sh7722_frqcr_set_rate(struct clk *clk, unsigned long rate,
+				 int algo_id)
+{
+	struct frqcr_context ctx = sh7722_get_clk_context(clk->name);
+	unsigned long parent_rate = clk->parent->rate;
+	int div;
+	unsigned long frqcr;
+	int err = 0;
+
+	/* pretty invalid */
+	if (parent_rate < rate)
+		return -EINVAL;
+
+	/* look for multiplier/divisor pair */
+	div = sh7722_find_divisors(parent_rate, rate);
+	if (div<0)
+		return div;
+
+	/* calculate new value of clock rate */
+	clk->rate = parent_rate * 2 / div;
+	frqcr = ctrl_inl(FRQCR);
+
+	/* FIXME: adjust as algo_id specifies */
+	if (algo_id != NO_CHANGE) {
+		int originator;
+		char *algo_group_1[] = { "cpu_clk", "umem_clk", "sh_clk" };
+		char *algo_group_2[] = { "sh_clk", "bus_clk" };
+		char *algo_group_3[] = { "sh_clk", "sdram_clk" };
+		char *algo_group_4[] = { "bus_clk", "peripheral_clk" };
+		char *algo_group_5[] = { "cpu_clk", "peripheral_clk" };
+		char **algo_current = NULL;
+		/* 3 is the maximum number of clocks in relation */
+		struct clk *ck[3];
+		unsigned long values[3]; /* the same comment as above */
+		int part_length = -1;
+		int i;
+
+		/*
+		 * all the steps below only required if adjustion was
+		 * requested
+		 */
+		if (algo_id == IUS_N1_N1 ||
+		    algo_id == IUS_322 ||
+		    algo_id == IUS_522 ||
+		    algo_id == IUS_N11) {
+			algo_current = algo_group_1;
+			part_length = 3;
+		}
+		if (algo_id == SB_N1) {
+			algo_current = algo_group_2;
+			part_length = 2;
+		}
+		if (algo_id == SB3_N1 ||
+		    algo_id == SB3_32 ||
+		    algo_id == SB3_43 ||
+		    algo_id == SB3_54) {
+			algo_current = algo_group_3;
+			part_length = 2;
+		}
+		if (algo_id == BP_N1) {
+			algo_current = algo_group_4;
+			part_length = 2;
+		}
+		if (algo_id == IP_N1) {
+			algo_current = algo_group_5;
+			part_length = 2;
+		}
+		if (!algo_current)
+			goto incorrect_algo_id;
+
+		originator = -1;
+		for (i = 0; i < part_length; i ++ ) {
+			if (originator >= 0 && !strcmp(clk->name,
+						       algo_current[i]))
+				originator = i;
+			ck[i] = clk_get(NULL, algo_current[i]);
+			values[i] = clk_get_rate(ck[i]);
+		}
+
+		if (originator >= 0)
+			adjust_clocks(originator, adjust_algos[algo_id],
+				      values, part_length);
+
+		for (i = 0; i < part_length; i ++ ) {
+			struct frqcr_context part_ctx;
+			int part_div;
+
+			if (likely(!err)) {
+				part_div = sh7722_find_divisors(parent_rate,
+								rate);
+				if (part_div > 0) {
+					part_ctx = sh7722_get_clk_context(
+								ck[i]->name);
+					frqcr &= ~(part_ctx.mask <<
+						   part_ctx.shift);
+					frqcr |= part_div << part_ctx.shift;
+				} else
+					err = part_div;
+			}
+
+			ck[i]->ops->recalc(ck[i]);
+			clk_put(ck[i]);
+		}
+	}
+
+	/* was there any error during recalculation ? If so, bail out.. */
+	if (unlikely(err!=0))
+		goto out_err;
+
+	/* clear FRQCR bits */
+	frqcr &= ~(ctx.mask << ctx.shift);
+	frqcr |= div << ctx.shift;
+
+	/* ...and perform actual change */
+	ctrl_outl(frqcr, FRQCR);
+	return 0;
+
+incorrect_algo_id:
+	return -EINVAL;
+out_err:
+	return err;
+}
+
+static struct clk_ops sh7722_frqcr_clk_ops = {
+	.recalc = sh7722_frqcr_recalc,
+	.set_rate = sh7722_frqcr_set_rate,
+};
+
+/*
+ * clock ops methods for SIU A/B and IrDA clock
+ *
+ */
+static int sh7722_siu_which(struct clk *clk)
+{
+	if (!strcmp(clk->name, "siu_a_clk"))
+		return 0;
+	if (!strcmp(clk->name, "siu_b_clk"))
+		return 1;
+	if (!strcmp(clk->name, "irda_clk"))
+		return 2;
+	return -EINVAL;
+}
+
+static unsigned long sh7722_siu_regs[] = {
+	[0] = SCLKACR,
+	[1] = SCLKBCR,
+	[2] = IrDACLKCR,
+};
+
+static int sh7722_siu_start_stop(struct clk *clk, int enable)
+{
+	int siu = sh7722_siu_which(clk);
+	unsigned long r;
+
+	if (siu < 0)
+		return siu;
+	BUG_ON(siu > 2);
+	r = ctrl_inl(sh7722_siu_regs[siu]);
+	if (enable)
+		ctrl_outl(r & ~(1 << 8), sh7722_siu_regs[siu]);
+	else
+		ctrl_outl(r | (1 << 8), sh7722_siu_regs[siu]);
+	return 0;
+}
+
+static void sh7722_siu_enable(struct clk *clk)
+{
+	sh7722_siu_start_stop(clk, 1);
+}
+
+static void sh7722_siu_disable(struct clk *clk)
+{
+	sh7722_siu_start_stop(clk, 0);
+}
+
+static void sh7722_video_enable(struct clk *clk)
+{
+	unsigned long r;
+
+	r = ctrl_inl(VCLKCR);
+	ctrl_outl( r & ~(1<<8), VCLKCR);
+}
+
+static void sh7722_video_disable(struct clk *clk)
+{
+	unsigned long r;
+
+	r = ctrl_inl(VCLKCR);
+	ctrl_outl( r | (1<<8), VCLKCR);
+}
+
+static int sh7722_video_set_rate(struct clk *clk, unsigned long rate,
+				 int algo_id)
+{
+	unsigned long r;
+
+	r = ctrl_inl(VCLKCR);
+	r &= ~0x3F;
+	r |= ((clk->parent->rate / rate - 1) & 0x3F);
+	ctrl_outl(r, VCLKCR);
+	return 0;
+}
+
+static void sh7722_video_recalc(struct clk *clk)
+{
+	unsigned long r;
+
+	r = ctrl_inl(VCLKCR);
+	clk->rate = clk->parent->rate / ((r & 0x3F) + 1);
+}
+
+static int sh7722_siu_set_rate(struct clk *clk, unsigned long rate, int algo_id)
+{
+	int siu = sh7722_siu_which(clk);
+	unsigned long r;
+	int div;
+
+	if (siu < 0)
+		return siu;
+	BUG_ON(siu > 2);
+	r = ctrl_inl(sh7722_siu_regs[siu]);
+	div = sh7722_find_divisors(clk->parent->rate, rate);
+	if (div < 0)
+		return div;
+	r = (r & ~0xF) | div;
+	ctrl_outl(r, sh7722_siu_regs[siu]);
+	return 0;
+}
+
+static void sh7722_siu_recalc(struct clk *clk)
+{
+	int siu = sh7722_siu_which(clk);
+	unsigned long r;
+
+	if (siu < 0)
+		return /* siu */ ;
+	BUG_ON(siu > 1);
+	r = ctrl_inl(sh7722_siu_regs[siu]);
+	clk->rate = clk->parent->rate * 2 / divisors2[r & 0xF];
+}
+
+static struct clk_ops sh7722_siu_clk_ops = {
+	.recalc = sh7722_siu_recalc,
+	.set_rate = sh7722_siu_set_rate,
+	.enable = sh7722_siu_enable,
+	.disable = sh7722_siu_disable,
+};
+
+static struct clk_ops sh7722_video_clk_ops = {
+	.recalc = sh7722_video_recalc,
+	.set_rate = sh7722_video_set_rate,
+	.enable = sh7722_video_enable,
+	.disable = sh7722_video_disable,
+};
+/*
+ * and at last, clock definitions themselves
+ */
+static struct clk sh7722_umem_clock = {
+	.name = "umem_clk",
+	.ops = &sh7722_frqcr_clk_ops,
+};
+
+static struct clk sh7722_sh_clock = {
+	.name = "sh_clk",
+	.ops = &sh7722_frqcr_clk_ops,
+};
+
+static struct clk sh7722_peripheral_clock = {
+	.name = "peripheral_clk",
+	.ops = &sh7722_frqcr_clk_ops,
+};
+
+static struct clk sh7722_sdram_clock = {
+	.name = "sdram_clk",
+	.ops = &sh7722_frqcr_clk_ops,
+};
+
+/*
+ * these three clocks - SIU A, SIU B, IrDA - share the same clk_ops
+ * methods of clk_ops determine which register they should access by
+ * examining clk->name field
+ */
+static struct clk sh7722_siu_a_clock = {
+	.name = "siu_a_clk",
+	.ops = &sh7722_siu_clk_ops,
+};
+
+static struct clk sh7722_siu_b_clock = {
+	.name = "siu_b_clk",
+	.ops = &sh7722_siu_clk_ops,
+};
+
+static struct clk sh7722_irda_clock = {
+	.name = "irda_clk",
+	.ops = &sh7722_siu_clk_ops,
+};
+
+static struct clk sh7722_video_clock = {
+	.name = "video_clk",
+	.ops = &sh7722_video_clk_ops,
+};
+
+static struct clk *sh7722_clocks[] = {
+	&sh7722_umem_clock,
+	&sh7722_sh_clock,
+	&sh7722_peripheral_clock,
+	&sh7722_sdram_clock,
+	&sh7722_siu_a_clock,
+	&sh7722_siu_b_clock,
+	&sh7722_irda_clock,
+	&sh7722_video_clock,
+};
+
+/*
+ * init in order: master, module, bus, cpu
+ */
+struct clk_ops *onchip_ops[] = {
+	&sh7722_master_clk_ops,
+	&sh7722_frqcr_clk_ops,
+	&sh7722_frqcr_clk_ops,
+	&sh7722_frqcr_clk_ops,
+};
+
+void __init
+arch_init_clk_ops(struct clk_ops **ops, int type)
+{
+	BUG_ON(type < 0 || type > ARRAY_SIZE(onchip_ops));
+	*ops = onchip_ops[type];
+}
+
+int __init sh7722_clock_init(void)
+{
+	struct clk *master;
+	int i;
+
+	master = clk_get(NULL, "master_clk");
+	for (i = 0; i < ARRAY_SIZE(sh7722_clocks); i++) {
+		pr_debug( "Registering clock '%s'\n", sh7722_clocks[i]->name);
+		sh7722_clocks[i]->parent = master;
+		clk_register(sh7722_clocks[i]);
+	}
+	clk_put(master);
+	return 0;
+}
+arch_initcall(sh7722_clock_init);
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7785.c b/arch/sh/kernel/cpu/sh4a/clock-sh7785.c
new file mode 100644
index 00000000000..805535aa505
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7785.c
@@ -0,0 +1,162 @@
+/*
+ * arch/sh/kernel/cpu/sh4a/clock-sh7785.c
+ *
+ * SH7785 support for the clock framework
+ *
+ *  Copyright (C) 2007  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <asm/clock.h>
+#include <asm/freq.h>
+#include <asm/io.h>
+
+static int ifc_divisors[] = { 1, 2, 4, 6 };
+static int ufc_divisors[] = { 1, 1, 4, 6 };
+static int sfc_divisors[] = { 1, 1, 4, 6 };
+static int bfc_divisors[] = { 1, 1, 1, 1, 1, 12, 16, 18,
+			     24, 32, 36, 48, 1, 1, 1, 1 };
+static int mfc_divisors[] = { 1, 1, 4, 6 };
+static int pfc_divisors[] = { 1, 1, 1, 1, 1, 1, 1, 18,
+			      24, 32, 36, 48, 1, 1, 1, 1 };
+
+static void master_clk_init(struct clk *clk)
+{
+	clk->rate *= 36;
+}
+
+static struct clk_ops sh7785_master_clk_ops = {
+	.init		= master_clk_init,
+};
+
+static void module_clk_recalc(struct clk *clk)
+{
+	int idx = (ctrl_inl(FRQMR1) & 0x000f);
+	clk->rate = clk->parent->rate / pfc_divisors[idx];
+}
+
+static struct clk_ops sh7785_module_clk_ops = {
+	.recalc		= module_clk_recalc,
+};
+
+static void bus_clk_recalc(struct clk *clk)
+{
+	int idx = ((ctrl_inl(FRQMR1) >> 16) & 0x000f);
+	clk->rate = clk->parent->rate / bfc_divisors[idx];
+}
+
+static struct clk_ops sh7785_bus_clk_ops = {
+	.recalc		= bus_clk_recalc,
+};
+
+static void cpu_clk_recalc(struct clk *clk)
+{
+	int idx = ((ctrl_inl(FRQMR1) >> 28) & 0x0003);
+	clk->rate = clk->parent->rate / ifc_divisors[idx];
+}
+
+static struct clk_ops sh7785_cpu_clk_ops = {
+	.recalc		= cpu_clk_recalc,
+};
+
+static struct clk_ops *sh7785_clk_ops[] = {
+	&sh7785_master_clk_ops,
+	&sh7785_module_clk_ops,
+	&sh7785_bus_clk_ops,
+	&sh7785_cpu_clk_ops,
+};
+
+void __init arch_init_clk_ops(struct clk_ops **ops, int idx)
+{
+	if (idx < ARRAY_SIZE(sh7785_clk_ops))
+		*ops = sh7785_clk_ops[idx];
+}
+
+static void shyway_clk_recalc(struct clk *clk)
+{
+	int idx = ((ctrl_inl(FRQMR1) >> 20) & 0x0003);
+	clk->rate = clk->parent->rate / sfc_divisors[idx];
+}
+
+static struct clk_ops sh7785_shyway_clk_ops = {
+	.recalc		= shyway_clk_recalc,
+};
+
+static struct clk sh7785_shyway_clk = {
+	.name		= "shyway_clk",
+	.flags		= CLK_ALWAYS_ENABLED,
+	.ops		= &sh7785_shyway_clk_ops,
+};
+
+static void ddr_clk_recalc(struct clk *clk)
+{
+	int idx = ((ctrl_inl(FRQMR1) >> 12) & 0x0003);
+	clk->rate = clk->parent->rate / mfc_divisors[idx];
+}
+
+static struct clk_ops sh7785_ddr_clk_ops = {
+	.recalc		= ddr_clk_recalc,
+};
+
+static struct clk sh7785_ddr_clk = {
+	.name		= "ddr_clk",
+	.flags		= CLK_ALWAYS_ENABLED,
+	.ops		= &sh7785_ddr_clk_ops,
+};
+
+static void ram_clk_recalc(struct clk *clk)
+{
+	int idx = ((ctrl_inl(FRQMR1) >> 24) & 0x0003);
+	clk->rate = clk->parent->rate / ufc_divisors[idx];
+}
+
+static struct clk_ops sh7785_ram_clk_ops = {
+	.recalc		= ram_clk_recalc,
+};
+
+static struct clk sh7785_ram_clk = {
+	.name		= "ram_clk",
+	.flags		= CLK_ALWAYS_ENABLED,
+	.ops		= &sh7785_ram_clk_ops,
+};
+
+/*
+ * Additional SH7785-specific on-chip clocks that aren't already part of the
+ * clock framework
+ */
+static struct clk *sh7785_onchip_clocks[] = {
+	&sh7785_shyway_clk,
+	&sh7785_ddr_clk,
+	&sh7785_ram_clk,
+};
+
+static int __init sh7785_clk_init(void)
+{
+	struct clk *clk = clk_get(NULL, "master_clk");
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(sh7785_onchip_clocks); i++) {
+		struct clk *clkp = sh7785_onchip_clocks[i];
+
+		clkp->parent = clk;
+		clk_register(clkp);
+		clk_enable(clkp);
+	}
+
+	/*
+	 * Now that we have the rest of the clocks registered, we need to
+	 * force the parent clock to propagate so that these clocks will
+	 * automatically figure out their rate. We cheat by handing the
+	 * parent clock its current rate and forcing child propagation.
+	 */
+	clk_set_rate(clk, clk_get_rate(clk));
+
+	clk_put(clk);
+
+	return 0;
+}
+arch_initcall(sh7785_clk_init);
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
new file mode 100644
index 00000000000..07b0de82cfe
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
@@ -0,0 +1,103 @@
+/*
+ * SH7785 Setup
+ *
+ *  Copyright (C) 2007  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/platform_device.h>
+#include <linux/init.h>
+#include <linux/serial.h>
+#include <asm/sci.h>
+
+static struct plat_sci_port sci_platform_data[] = {
+	{
+		.mapbase	= 0xffea0000,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCIF,
+		.irqs		= { 40, 41, 43, 42 },
+	}, {
+		.mapbase	= 0xffeb0000,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCIF,
+		.irqs		= { 44, 45, 47, 46 },
+	},
+
+	/*
+	 * The rest of these all have multiplexed IRQs
+	 */
+	{
+		.mapbase	= 0xffec0000,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCIF,
+		.irqs		= { 60, 60, 60, 60 },
+	}, {
+		.mapbase	= 0xffed0000,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCIF,
+		.irqs		= { 61, 61, 61, 61 },
+	}, {
+		.mapbase	= 0xffee0000,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCIF,
+		.irqs		= { 62, 62, 62, 62 },
+	}, {
+		.mapbase	= 0xffef0000,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCIF,
+		.irqs		= { 63, 63, 63, 63 },
+	}, {
+		.flags = 0,
+	}
+};
+
+static struct platform_device sci_device = {
+	.name		= "sh-sci",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= sci_platform_data,
+	},
+};
+
+static struct platform_device *sh7785_devices[] __initdata = {
+	&sci_device,
+};
+
+static int __init sh7785_devices_setup(void)
+{
+	return platform_add_devices(sh7785_devices,
+				    ARRAY_SIZE(sh7785_devices));
+}
+__initcall(sh7785_devices_setup);
+
+static struct intc2_data intc2_irq_table[] = {
+	{ 28, 0, 24, 0, 0, 2 },		/* TMU0 */
+
+	{ 40, 8, 24, 0, 2, 3 },		/* SCIF0 ERI */
+	{ 41, 8, 24, 0, 2, 3 },		/* SCIF0 RXI */
+	{ 42, 8, 24, 0, 2, 3 },		/* SCIF0 BRI */
+	{ 43, 8, 24, 0, 2, 3 },		/* SCIF0 TXI */
+
+	{ 44, 8, 16, 0, 3, 3 },		/* SCIF1 ERI */
+	{ 45, 8, 16, 0, 3, 3 },		/* SCIF1 RXI */
+	{ 46, 8, 16, 0, 3, 3 },		/* SCIF1 BRI */
+	{ 47, 8, 16, 0, 3, 3 },		/* SCIF1 TXI */
+
+	{ 64, 0x14,  8, 0, 14, 2 },	/* PCIC0 */
+	{ 65, 0x14,  0, 0, 15, 2 },	/* PCIC1 */
+	{ 66, 0x18, 24, 0, 16, 2 },	/* PCIC2 */
+	{ 67, 0x18, 16, 0, 17, 2 },	/* PCIC3 */
+	{ 68, 0x18,  8, 0, 18, 2 },	/* PCIC4 */
+
+	{ 60,  8,  8, 0, 4, 3 },	/* SCIF2 ERI, RXI, BRI, TXI */
+	{ 60,  8,  0, 0, 5, 3 },	/* SCIF3 ERI, RXI, BRI, TXI */
+	{ 60, 12, 24, 0, 6, 3 },	/* SCIF4 ERI, RXI, BRI, TXI */
+	{ 60, 12, 16, 0, 7, 3 },	/* SCIF5 ERI, RXI, BRI, TXI */
+};
+
+void __init init_IRQ_intc2(void)
+{
+	make_intc2_irq(intc2_irq_table, ARRAY_SIZE(intc2_irq_table));
+}
diff --git a/arch/sh/kernel/crash_dump.c b/arch/sh/kernel/crash_dump.c
new file mode 100644
index 00000000000..4a2ecbe27d8
--- /dev/null
+++ b/arch/sh/kernel/crash_dump.c
@@ -0,0 +1,46 @@
+/*
+ *	crash_dump.c - Memory preserving reboot related code.
+ *
+ *	Created by: Hariprasad Nellitheertha (hari@in.ibm.com)
+ *	Copyright (C) IBM Corporation, 2004. All rights reserved
+ */
+
+#include <linux/errno.h>
+#include <linux/crash_dump.h>
+#include <linux/io.h>
+#include <asm/uaccess.h>
+
+/**
+ * copy_oldmem_page - copy one page from "oldmem"
+ * @pfn: page frame number to be copied
+ * @buf: target memory address for the copy; this can be in kernel address
+ *	space or user address space (see @userbuf)
+ * @csize: number of bytes to copy
+ * @offset: offset in bytes into the page (based on pfn) to begin the copy
+ * @userbuf: if set, @buf is in user address space, use copy_to_user(),
+ *	otherwise @buf is in kernel address space, use memcpy().
+ *
+ * Copy a page from "oldmem". For this page, there is no pte mapped
+ * in the current kernel. We stitch up a pte, similar to kmap_atomic.
+ */
+ssize_t copy_oldmem_page(unsigned long pfn, char *buf,
+                               size_t csize, unsigned long offset, int userbuf)
+{
+	void  *vaddr;
+
+	if (!csize)
+		return 0;
+
+	vaddr = ioremap(pfn << PAGE_SHIFT, PAGE_SIZE);
+
+	if (userbuf) {
+		if (copy_to_user(buf, (vaddr + offset), csize)) {
+			iounmap(vaddr);
+			return -EFAULT;
+		}
+	} else
+	memcpy(buf, (vaddr + offset), csize);
+
+	iounmap(vaddr);
+	return csize;
+}
diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c
index 9bdd8a00cd4..27b923c45b3 100644
--- a/arch/sh/kernel/irq.c
+++ b/arch/sh/kernel/irq.c
@@ -13,6 +13,7 @@
 #include <linux/seq_file.h>
 #include <linux/irq.h>
 #include <asm/processor.h>
+#include <asm/machvec.h>
 #include <asm/uaccess.h>
 #include <asm/thread_info.h>
 #include <asm/cpu/mmu_context.h>
@@ -44,7 +45,7 @@ int show_interrupts(struct seq_file *p, void *v)
 		seq_putc(p, '\n');
 	}
 
-	if (i < NR_IRQS) {
+	if (i < sh_mv.mv_nr_irqs) {
 		spin_lock_irqsave(&irq_desc[i].lock, flags);
 		action = irq_desc[i].action;
 		if (!action)
@@ -61,7 +62,7 @@ int show_interrupts(struct seq_file *p, void *v)
 		seq_putc(p, '\n');
 unlock:
 		spin_unlock_irqrestore(&irq_desc[i].lock, flags);
-	} else if (i == NR_IRQS)
+	} else if (i == sh_mv.mv_nr_irqs)
 		seq_printf(p, "Err: %10u\n", atomic_read(&irq_err_count));
 
 	return 0;
diff --git a/arch/sh/kernel/kgdb_stub.c b/arch/sh/kernel/kgdb_stub.c
index d8927d85492..a5323364cbc 100644
--- a/arch/sh/kernel/kgdb_stub.c
+++ b/arch/sh/kernel/kgdb_stub.c
@@ -6,11 +6,11 @@
  * David Grothe <dave@gcom.com>, Tigran Aivazian <tigran@sco.com>,
  * Amit S. Kale <akale@veritas.com>,  William Gatliff <bgat@open-widgets.com>,
  * Ben Lee, Steve Chamberlain and Benoit Miller <fulg@iname.com>.
- * 
+ *
  * This version by Henry Bell <henry.bell@st.com>
  * Minor modifications by Jeremy Siegel <jsiegel@mvista.com>
- * 
- * Contains low-level support for remote debug using GDB. 
+ *
+ * Contains low-level support for remote debug using GDB.
  *
  * To enable debugger support, two things need to happen. A call to
  * set_debug_traps() is necessary in order to allow any breakpoints
@@ -48,7 +48,7 @@
  *    k             kill (Detach GDB)
  *
  *    d             Toggle debug flag
- *    D             Detach GDB 
+ *    D             Detach GDB
  *
  *    Hct           Set thread t for operations,           OK or ENN
  *                  c = 'c' (step, cont), c = 'g' (other
@@ -58,7 +58,7 @@
  *    qfThreadInfo  Get list of current threads (first)    m<id>
  *    qsThreadInfo   "    "  "     "      "   (subsequent)
  *    qOffsets      Get section offsets                  Text=x;Data=y;Bss=z
- * 
+ *
  *    TXX           Find if thread XX is alive             OK or ENN
  *    ?             What was the last sigval ?             SNN   (signal NN)
  *    O             Output to GDB console
@@ -74,7 +74,7 @@
  *       '$' or '#'.  If <data> starts with two characters followed by
  *       ':', then the existing stubs interpret this as a sequence number.
  *
- *       CSUM1 and CSUM2 are ascii hex representation of an 8-bit 
+ *       CSUM1 and CSUM2 are ascii hex representation of an 8-bit
  *       checksum of <data>, the most significant nibble is sent first.
  *       the hex digits 0-9,a-f are used.
  *
@@ -86,8 +86,8 @@
  * Responses can be run-length encoded to save space.  A '*' means that
  * the next character is an ASCII encoding giving a repeat count which
  * stands for that many repititions of the character preceding the '*'.
- * The encoding is n+29, yielding a printable character where n >=3 
- * (which is where RLE starts to win).  Don't use an n > 126. 
+ * The encoding is n+29, yielding a printable character where n >=3
+ * (which is where RLE starts to win).  Don't use an n > 126.
  *
  * So "0* " means the same as "0000".
  */
@@ -100,12 +100,10 @@
 #include <linux/delay.h>
 #include <linux/linkage.h>
 #include <linux/init.h>
-
-#ifdef CONFIG_SH_KGDB_CONSOLE
 #include <linux/console.h>
-#endif
-
+#include <linux/sysrq.h>
 #include <asm/system.h>
+#include <asm/cacheflush.h>
 #include <asm/current.h>
 #include <asm/signal.h>
 #include <asm/pgtable.h>
@@ -153,7 +151,6 @@ char kgdb_in_gdb_mode;
 char in_nmi;			/* Set during NMI to prevent reentry */
 int kgdb_nofault;		/* Boolean to ignore bus errs (i.e. in GDB) */
 int kgdb_enabled = 1;		/* Default to enabled, cmdline can disable */
-int kgdb_halt;
 
 /* Exposed for user access */
 struct task_struct *kgdb_current;
@@ -246,14 +243,6 @@ static char out_buffer[OUTBUFMAX];
 
 static void kgdb_to_gdb(const char *s);
 
-#ifdef CONFIG_KGDB_THREAD
-static struct task_struct *trapped_thread;
-static struct task_struct *current_thread;
-typedef unsigned char threadref[8];
-#define BUF_THREAD_ID_SIZE 16
-#endif
-
-
 /* Convert ch to hex */
 static int hex(const char ch)
 {
@@ -328,7 +317,7 @@ static int hex_to_int(char **ptr, int *int_value)
 }
 
 /*  Copy the binary array pointed to by buf into mem.  Fix $, #,
-    and 0x7d escaped with 0x7d.  Return a pointer to the character 
+    and 0x7d escaped with 0x7d.  Return a pointer to the character
     after the last byte written. */
 static char *ebin_to_mem(const char *buf, char *mem, int count)
 {
@@ -349,66 +338,6 @@ static char *pack_hex_byte(char *pkt, int byte)
 	return pkt;
 }
 
-#ifdef CONFIG_KGDB_THREAD
-
-/* Pack a thread ID */
-static char *pack_threadid(char *pkt, threadref * id)
-{
-	char *limit;
-	unsigned char *altid;
-
-	altid = (unsigned char *) id;
-
-	limit = pkt + BUF_THREAD_ID_SIZE;
-	while (pkt < limit)
-		pkt = pack_hex_byte(pkt, *altid++);
-	return pkt;
-}
-
-/* Convert an integer into our threadref */
-static void int_to_threadref(threadref * id, const int value)
-{
-	unsigned char *scan = (unsigned char *) id;
-	int i = 4;
-
-	while (i--)
-		*scan++ = 0;
-
-	*scan++ = (value >> 24) & 0xff;
-	*scan++ = (value >> 16) & 0xff;
-	*scan++ = (value >> 8) & 0xff;
-	*scan++ = (value & 0xff);
-}
-
-/* Return a task structure ptr for a particular pid */
-static struct task_struct *get_thread(int pid)
-{
-	struct task_struct *thread;
-
-	/* Use PID_MAX w/gdb for pid 0 */
-	if (pid == PID_MAX) pid = 0;
-
-	/* First check via PID */
-	thread = find_task_by_pid(pid);
-
-	if (thread)
-		return thread;
-
-	/* Start at the start */
-	thread = init_tasks[0];
-
-	/* Walk along the linked list of tasks */
-	do {
-		if (thread->pid == pid)
-			return thread;
-		thread = thread->next_task;
-	} while (thread != init_tasks[0]);
-
-	return NULL;
-}
-
-#endif /* CONFIG_KGDB_THREAD */
-
 /* Scan for the start char '$', read the packet and check the checksum */
 static void get_packet(char *buffer, int buflen)
 {
@@ -452,7 +381,7 @@ static void get_packet(char *buffer, int buflen)
 				/* Ack successful transfer */
 				put_debug_char('+');
 
-				/* If a sequence char is present, reply 
+				/* If a sequence char is present, reply
 				   the sequence ID */
 				if (buffer[2] == ':') {
 					put_debug_char(buffer[0]);
@@ -611,74 +540,6 @@ static void gdb_regs_to_kgdb_regs(const int *gdb_regs,
 	regs->vbr = gdb_regs[VBR];
 }
 
-#ifdef CONFIG_KGDB_THREAD
-/* Make a local copy of registers from the specified thread */
-asmlinkage void ret_from_fork(void);
-static void thread_regs_to_gdb_regs(const struct task_struct *thread,
-				    int *gdb_regs)
-{
-	int regno;
-	int *tregs;
-
-	/* Initialize to zero */
-	for (regno = 0; regno < MAXREG; regno++)
-		gdb_regs[regno] = 0;
-
-	/* Just making sure... */
-	if (thread == NULL)
-		return;
-
-	/* A new fork has pt_regs on the stack from a fork() call */
-	if (thread->thread.pc == (unsigned long)ret_from_fork) {
-
-		int vbr_val;
-		struct pt_regs *kregs;
-		kregs = (struct pt_regs*)thread->thread.sp;
-
-		gdb_regs[R0] = kregs->regs[R0];
-		gdb_regs[R1] = kregs->regs[R1];
-		gdb_regs[R2] = kregs->regs[R2];
-		gdb_regs[R3] = kregs->regs[R3];
-		gdb_regs[R4] = kregs->regs[R4];
-		gdb_regs[R5] = kregs->regs[R5];
-		gdb_regs[R6] = kregs->regs[R6];
-		gdb_regs[R7] = kregs->regs[R7];
-		gdb_regs[R8] = kregs->regs[R8];
-		gdb_regs[R9] = kregs->regs[R9];
-		gdb_regs[R10] = kregs->regs[R10];
-		gdb_regs[R11] = kregs->regs[R11];
-		gdb_regs[R12] = kregs->regs[R12];
-		gdb_regs[R13] = kregs->regs[R13];
-		gdb_regs[R14] = kregs->regs[R14];
-		gdb_regs[R15] = kregs->regs[R15];
-		gdb_regs[PC] = kregs->pc;
-		gdb_regs[PR] = kregs->pr;
-		gdb_regs[GBR] = kregs->gbr;
-		gdb_regs[MACH] = kregs->mach;
-		gdb_regs[MACL] = kregs->macl;
-		gdb_regs[SR] = kregs->sr;
-
-		asm("stc vbr, %0":"=r"(vbr_val));
-		gdb_regs[VBR] = vbr_val;
-		return;
-	}
-
-	/* Otherwise, we have only some registers from switch_to() */
-	tregs = (int *)thread->thread.sp;
-	gdb_regs[R15] = (int)tregs;
-	gdb_regs[R14] = *tregs++;
-	gdb_regs[R13] = *tregs++;
-	gdb_regs[R12] = *tregs++;
-	gdb_regs[R11] = *tregs++;
-	gdb_regs[R10] = *tregs++;
-	gdb_regs[R9] = *tregs++;
-	gdb_regs[R8] = *tregs++;
-	gdb_regs[PR] = *tregs++;
-	gdb_regs[GBR] = *tregs++;
-	gdb_regs[PC] = thread->thread.pc;
-}
-#endif /* CONFIG_KGDB_THREAD */
-
 /* Calculate the new address for after a step */
 static short *get_step_address(void)
 {
@@ -759,7 +620,7 @@ static short *get_step_address(void)
 	return (short *) addr;
 }
 
-/* Set up a single-step.  Replace the instruction immediately after the 
+/* Set up a single-step.  Replace the instruction immediately after the
    current instruction (i.e. next in the expected flow of control) with a
    trap instruction, so that returning will cause only a single instruction
    to be executed. Note that this model is slightly broken for instructions
@@ -797,37 +658,11 @@ static void undo_single_step(void)
 /* Send a signal message */
 static void send_signal_msg(const int signum)
 {
-#ifndef CONFIG_KGDB_THREAD
 	out_buffer[0] = 'S';
 	out_buffer[1] = highhex(signum);
 	out_buffer[2] = lowhex(signum);
 	out_buffer[3] = 0;
 	put_packet(out_buffer);
-#else /* CONFIG_KGDB_THREAD */
-	int threadid;
-	threadref thref;
-	char *out = out_buffer;
-	const char *tstring = "thread";
-
-	*out++ = 'T';
-	*out++ = highhex(signum);
-	*out++ = lowhex(signum);
-
-	while (*tstring) {
-		*out++ = *tstring++;
-	}
-	*out++ = ':';
-
-	threadid = trapped_thread->pid;
-	if (threadid == 0) threadid = PID_MAX;
-	int_to_threadref(&thref, threadid);
-	pack_threadid(out, &thref);
-	out += BUF_THREAD_ID_SIZE;
-	*out++ = ';';
-
-	*out = 0;
-	put_packet(out_buffer);
-#endif /* CONFIG_KGDB_THREAD */
 }
 
 /* Reply that all was well */
@@ -962,15 +797,7 @@ static void step_with_sig_msg(void)
 /* Send register contents */
 static void send_regs_msg(void)
 {
-#ifdef CONFIG_KGDB_THREAD
-	if (!current_thread)
-		kgdb_regs_to_gdb_regs(&trap_registers, registers);
-	else
-		thread_regs_to_gdb_regs(current_thread, registers);
-#else
 	kgdb_regs_to_gdb_regs(&trap_registers, registers);
-#endif
-
 	mem_to_hex((char *) registers, out_buffer, NUMREGBYTES);
 	put_packet(out_buffer);
 }
@@ -978,201 +805,13 @@ static void send_regs_msg(void)
 /* Set register contents - currently can't set other thread's registers */
 static void set_regs_msg(void)
 {
-#ifdef CONFIG_KGDB_THREAD
-	if (!current_thread) {
-#endif
-		kgdb_regs_to_gdb_regs(&trap_registers, registers);
-		hex_to_mem(&in_buffer[1], (char *) registers, NUMREGBYTES);
-		gdb_regs_to_kgdb_regs(registers, &trap_registers);
-		send_ok_msg();
-#ifdef CONFIG_KGDB_THREAD
-	} else
-		send_err_msg();
-#endif
-}
-
-
-#ifdef CONFIG_KGDB_THREAD
-
-/* Set the status for a thread */
-void set_thread_msg(void)
-{
-	int threadid;
-	struct task_struct *thread = NULL;
-	char *ptr;
-
-	switch (in_buffer[1]) {
-
-       	/* To select which thread for gG etc messages, i.e. supported */
-	case 'g':
-
-		ptr = &in_buffer[2];
-		hex_to_int(&ptr, &threadid);
-		thread = get_thread(threadid);
-
-		/* If we haven't found it */
-		if (!thread) {
-			send_err_msg();
-			break;
-		}
-
-		/* Set current_thread (or not) */
-		if (thread == trapped_thread)
-			current_thread = NULL;
-		else
-			current_thread = thread;
-		send_ok_msg();
-		break;
-
-	/* To select which thread for cCsS messages, i.e. unsupported */
-	case 'c':
-		send_ok_msg();
-		break;
-
-	default:
-		send_empty_msg();
-		break;
-	}
-}
-
-/* Is a thread alive? */
-static void thread_status_msg(void)
-{
-	char *ptr;
-	int threadid;
-	struct task_struct *thread = NULL;
-
-	ptr = &in_buffer[1];
-	hex_to_int(&ptr, &threadid);
-	thread = get_thread(threadid);
-	if (thread)
-		send_ok_msg();
-	else
-		send_err_msg();
-}
-/* Send the current thread ID */
-static void thread_id_msg(void)
-{
-	int threadid;
-	threadref thref;
-
-	out_buffer[0] = 'Q';
-	out_buffer[1] = 'C';
-
-	if (current_thread)
-		threadid = current_thread->pid;
-	else if (trapped_thread)
-		threadid = trapped_thread->pid;
-	else /* Impossible, but just in case! */
-	{
-		send_err_msg();
-		return;
-	}
-
-	/* Translate pid 0 to PID_MAX for gdb */
-	if (threadid == 0) threadid = PID_MAX;
-
-	int_to_threadref(&thref, threadid);
-	pack_threadid(out_buffer + 2, &thref);
-	out_buffer[2 + BUF_THREAD_ID_SIZE] = '\0';
-	put_packet(out_buffer);
-}
-
-/* Send thread info */
-static void thread_info_msg(void)
-{
-	struct task_struct *thread = NULL;
-	int threadid;
-	char *pos;
-	threadref thref;
-
-	/* Start with 'm' */
-	out_buffer[0] = 'm';
-	pos = &out_buffer[1];
-
-	/* For all possible thread IDs - this will overrun if > 44 threads! */
-	/* Start at 1 and include PID_MAX (since GDB won't use pid 0...) */
-	for (threadid = 1; threadid <= PID_MAX; threadid++) {
-
-		read_lock(&tasklist_lock);
-		thread = get_thread(threadid);
-		read_unlock(&tasklist_lock);
-
-		/* If it's a valid thread */
-		if (thread) {
-			int_to_threadref(&thref, threadid);
-			pack_threadid(pos, &thref);
-			pos += BUF_THREAD_ID_SIZE;
-			*pos++ = ',';
-		}
-	}
-	*--pos = 0;		/* Lose final comma */
-	put_packet(out_buffer);
-
-}
-
-/* Return printable info for gdb's 'info threads' command */
-static void thread_extra_info_msg(void)
-{
-	int threadid;
-	struct task_struct *thread = NULL;
-	char buffer[20], *ptr;
-	int i;
-
-	/* Extract thread ID */
-	ptr = &in_buffer[17];
-	hex_to_int(&ptr, &threadid);
-	thread = get_thread(threadid);
-
-	/* If we don't recognise it, say so */
-	if (thread == NULL)
-		strcpy(buffer, "(unknown)");
-	else
-		strcpy(buffer, thread->comm);
-
-	/* Construct packet */
-	for (i = 0, ptr = out_buffer; buffer[i]; i++)
-		ptr = pack_hex_byte(ptr, buffer[i]);
-
-	if (thread->thread.pc == (unsigned long)ret_from_fork) {
-		strcpy(buffer, "<new fork>");
-		for (i = 0; buffer[i]; i++)
-			ptr = pack_hex_byte(ptr, buffer[i]);
-	}
-
-	*ptr = '\0';
-	put_packet(out_buffer);
-}
-
-/* Handle all qFooBarBaz messages - have to use an if statement as
-   opposed to a switch because q messages can have > 1 char id. */
-static void query_msg(void)
-{
-	const char *q_start = &in_buffer[1];
-
-	/* qC = return current thread ID */
-	if (strncmp(q_start, "C", 1) == 0)
-		thread_id_msg();
-
-	/* qfThreadInfo = query all threads (first) */
-	else if (strncmp(q_start, "fThreadInfo", 11) == 0)
-		thread_info_msg();
-
-	/* qsThreadInfo = query all threads (subsequent). We know we have sent
-	   them all after the qfThreadInfo message, so there are no to send */
-	else if (strncmp(q_start, "sThreadInfo", 11) == 0)
-		put_packet("l");	/* el = last */
-
-	/* qThreadExtraInfo = supply printable information per thread */
-	else if (strncmp(q_start, "ThreadExtraInfo", 15) == 0)
-		thread_extra_info_msg();
-
-	/* Unsupported - empty message as per spec */
-	else
-		send_empty_msg();
+	kgdb_regs_to_gdb_regs(&trap_registers, registers);
+	hex_to_mem(&in_buffer[1], (char *) registers, NUMREGBYTES);
+	gdb_regs_to_kgdb_regs(registers, &trap_registers);
+	send_ok_msg();
 }
-#endif /* CONFIG_KGDB_THREAD */
 
+#ifdef CONFIG_SH_KGDB_CONSOLE
 /*
  * Bring up the ports..
  */
@@ -1185,6 +824,9 @@ static int kgdb_serial_setup(void)
 
 	return 0;
 }
+#else
+#define kgdb_serial_setup()	0
+#endif
 
 /* The command loop, read and act on requests */
 static void kgdb_command_loop(const int excep_code, const int trapa_value)
@@ -1193,7 +835,7 @@ static void kgdb_command_loop(const int excep_code, const int trapa_value)
 
 	if (excep_code == NMI_VEC) {
 #ifndef CONFIG_KGDB_NMI
-		KGDB_PRINTK("Ignoring unexpected NMI?\n");
+		printk(KERN_NOTICE "KGDB: Ignoring unexpected NMI?\n");
 		return;
 #else /* CONFIG_KGDB_NMI */
 		if (!kgdb_enabled) {
@@ -1207,19 +849,10 @@ static void kgdb_command_loop(const int excep_code, const int trapa_value)
 	if (!kgdb_enabled)
 		return;
 
-#ifdef CONFIG_KGDB_THREAD
-	/* Until GDB specifies a thread */
-	current_thread = NULL;
-	trapped_thread = current;
-#endif
-
 	/* Enter GDB mode (e.g. after detach) */
 	if (!kgdb_in_gdb_mode) {
 		/* Do serial setup, notify user, issue preemptive ack */
-		kgdb_serial_setup();
-		KGDB_PRINTK("Waiting for GDB (on %s%d at %d baud)\n",
-			    (kgdb_porttype ? kgdb_porttype->name : ""),
-			    kgdb_portnum, kgdb_baud);
+		printk(KERN_NOTICE "KGDB: Waiting for GDB\n");
 		kgdb_in_gdb_mode = 1;
 		put_debug_char('+');
 	}
@@ -1233,21 +866,18 @@ static void kgdb_command_loop(const int excep_code, const int trapa_value)
 	   will later be replaced by its original one.  Do NOT do this for
 	   trap 0xff, since that indicates a compiled-in breakpoint which
 	   will not be replaced (and we would retake the trap forever) */
-	if ((excep_code == TRAP_VEC) && (trapa_value != (0xff << 2))) {
+	if ((excep_code == TRAP_VEC) && (trapa_value != (0x3c << 2)))
 		trap_registers.pc -= 2;
-	}
 
 	/* Undo any stepping we may have done */
 	undo_single_step();
 
 	while (1) {
-
 		out_buffer[0] = 0;
 		get_packet(in_buffer, BUFMAX);
 
 		/* Examine first char of buffer to see what we need to do */
 		switch (in_buffer[0]) {
-
 		case '?':	/* Send which signal we've received */
 			send_signal_msg(sigval);
 			break;
@@ -1291,21 +921,6 @@ static void kgdb_command_loop(const int excep_code, const int trapa_value)
 			step_msg();
 			return;
 
-#ifdef CONFIG_KGDB_THREAD
-
-		case 'H':	/* Task related */
-			set_thread_msg();
-			break;
-
-		case 'T':	/* Query thread status */
-			thread_status_msg();
-			break;
-
-		case 'q':	/* Handle query - currently thread-related */
-			query_msg();
-			break;
-#endif
-
 		case 'k':	/* 'Kill the program' with a kernel ? */
 			break;
 
@@ -1323,11 +938,8 @@ static void kgdb_command_loop(const int excep_code, const int trapa_value)
 }
 
 /* There has been an exception, most likely a breakpoint. */
-asmlinkage void kgdb_handle_exception(unsigned long r4, unsigned long r5,
-				      unsigned long r6, unsigned long r7,
-				      struct pt_regs __regs)
+static void handle_exception(struct pt_regs *regs)
 {
-	struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
 	int excep_code, vbr_val;
 	int count;
 	int trapa_value = ctrl_inl(TRA);
@@ -1355,7 +967,7 @@ asmlinkage void kgdb_handle_exception(unsigned long r4, unsigned long r5,
 	kgdb_trapa_val = trapa_value;
 
 	/* Act on the exception */
-	kgdb_command_loop(excep_code >> 5, trapa_value);
+	kgdb_command_loop(excep_code, trapa_value);
 
 	kgdb_current = NULL;
 
@@ -1373,14 +985,12 @@ asmlinkage void kgdb_handle_exception(unsigned long r4, unsigned long r5,
 	asm("ldc %0, vbr": :"r"(vbr_val));
 }
 
-/* Trigger a breakpoint by function */
-void breakpoint(void)
+asmlinkage void kgdb_handle_exception(unsigned long r4, unsigned long r5,
+				      unsigned long r6, unsigned long r7,
+				      struct pt_regs __regs)
 {
-	if (!kgdb_enabled) {
-		kgdb_enabled = 1;
-		kgdb_init();
-	}
-	BREAKPOINT();
+	struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
+	handle_exception(regs);
 }
 
 /* Initialise the KGDB data structures and serial configuration */
@@ -1395,24 +1005,16 @@ int kgdb_init(void)
 	kgdb_in_gdb_mode = 0;
 
 	if (kgdb_serial_setup() != 0) {
-		KGDB_PRINTK("serial setup error\n");
+		printk(KERN_NOTICE "KGDB: serial setup error\n");
 		return -1;
 	}
 
 	/* Init ptr to exception handler */
-	kgdb_debug_hook = kgdb_handle_exception;
+	kgdb_debug_hook = handle_exception;
 	kgdb_bus_err_hook = kgdb_handle_bus_error;
 
 	/* Enter kgdb now if requested, or just report init done */
-	if (kgdb_halt) {
-		kgdb_in_gdb_mode = 1;
-		put_debug_char('+');
-		breakpoint();
-	}
-	else
-	{
-		KGDB_PRINTK("stub is initialized.\n");
-	}
+	printk(KERN_NOTICE "KGDB: stub is initialized.\n");
 
 	return 0;
 }
@@ -1437,7 +1039,7 @@ static void kgdb_msg_write(const char *s, unsigned count)
 
 		/* Calculate how many this time */
 		wcount = (count > MAXOUT) ? MAXOUT : count;
-		
+
 		/* Pack in hex chars */
 		for (i = 0; i < wcount; i++)
 			bufptr = pack_hex_byte(bufptr, s[i]);
@@ -1467,3 +1069,25 @@ void kgdb_console_write(struct console *co, const char *s, unsigned count)
 	kgdb_msg_write(s, count);
 }
 #endif
+
+#ifdef CONFIG_KGDB_SYSRQ
+static void sysrq_handle_gdb(int key, struct tty_struct *tty)
+{
+	printk("Entering GDB stub\n");
+	breakpoint();
+}
+
+static struct sysrq_key_op sysrq_gdb_op = {
+        .handler        = sysrq_handle_gdb,
+        .help_msg       = "Gdb",
+        .action_msg     = "GDB",
+};
+
+static int gdb_register_sysrq(void)
+{
+	printk("Registering GDB sysrq handler\n");
+	register_sysrq_key('g', &sysrq_gdb_op);
+	return 0;
+}
+module_init(gdb_register_sysrq);
+#endif
diff --git a/arch/sh/kernel/machine_kexec.c b/arch/sh/kernel/machine_kexec.c
index 08587cdb64d..790ed69b866 100644
--- a/arch/sh/kernel/machine_kexec.c
+++ b/arch/sh/kernel/machine_kexec.c
@@ -59,13 +59,13 @@ static void kexec_info(struct kimage *image)
 	        printk("  segment[%d]: 0x%08x - 0x%08x (0x%08x)\n",
 		       i,
 		       (unsigned int)image->segment[i].mem,
-		       (unsigned int)image->segment[i].mem + image->segment[i].memsz,
+		       (unsigned int)image->segment[i].mem +
+				     image->segment[i].memsz,
 		       (unsigned int)image->segment[i].memsz);
- 	}
+	}
 	printk("  start     : 0x%08x\n\n", (unsigned int)image->start);
 }
 
-
 /*
  * Do not allocate memory (or fail in any way) in machine_kexec().
  * We are past the point of no return, committed to rebooting now.
@@ -101,6 +101,27 @@ NORET_TYPE void machine_kexec(struct kimage *image)
 
 	/* now call it */
 	rnk = (relocate_new_kernel_t) reboot_code_buffer;
-       	(*rnk)(page_list, reboot_code_buffer, image->start, vbr_reg);
+	(*rnk)(page_list, reboot_code_buffer, image->start, vbr_reg);
 }
 
+/* crashkernel=size@addr specifies the location to reserve for
+ * a crash kernel.  By reserving this memory we guarantee
+ * that linux never sets it up as a DMA target.
+ * Useful for holding code to do something appropriate
+ * after a kernel panic.
+ */
+static int __init parse_crashkernel(char *arg)
+{
+	unsigned long size, base;
+	size = memparse(arg, &arg);
+	if (*arg == '@') {
+		base = memparse(arg+1, &arg);
+		/* FIXME: Do I want a sanity check
+		 * to validate the memory range?
+		 */
+		crashk_res.start = base;
+		crashk_res.end   = base + size - 1;
+	}
+	return 0;
+}
+early_param("crashkernel", parse_crashkernel);
diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c
index e7607366ac4..329b3f3051d 100644
--- a/arch/sh/kernel/process.c
+++ b/arch/sh/kernel/process.c
@@ -7,7 +7,7 @@
  *
  *  SuperH version:  Copyright (C) 1999, 2000  Niibe Yutaka & Kaz Kojima
  *		     Copyright (C) 2006 Lineo Solutions Inc. support SH4A UBC
- *		     Copyright (C) 2002 - 2006  Paul Mundt
+ *		     Copyright (C) 2002 - 2007  Paul Mundt
  */
 #include <linux/module.h>
 #include <linux/mm.h>
@@ -15,6 +15,7 @@
 #include <linux/pm.h>
 #include <linux/kallsyms.h>
 #include <linux/kexec.h>
+#include <asm/kdebug.h>
 #include <asm/uaccess.h>
 #include <asm/mmu_context.h>
 #include <asm/ubc.h>
@@ -299,7 +300,8 @@ static void ubc_set_tracing(int asid, unsigned long pc)
 	ctrl_outl(0, UBC_BAMRA);
 
 	if (current_cpu_data.type == CPU_SH7729 ||
-	    current_cpu_data.type == CPU_SH7710) {
+	    current_cpu_data.type == CPU_SH7710 ||
+	    current_cpu_data.type == CPU_SH7712) {
 		ctrl_outw(BBR_INST | BBR_READ | BBR_CPU, UBC_BBRA);
 		ctrl_outl(BRCR_PCBA | BRCR_PCTE, UBC_BRCR);
 	} else {
@@ -495,6 +497,10 @@ asmlinkage void debug_trap_handler(unsigned long r4, unsigned long r5,
 	/* Rewind */
 	regs->pc -= 2;
 
+	if (notify_die(DIE_TRAP, regs, regs->tra & 0xff,
+		       SIGTRAP) == NOTIFY_STOP)
+		return;
+
 	force_sig(SIGTRAP, current);
 }
 
@@ -510,6 +516,10 @@ asmlinkage void bug_trap_handler(unsigned long r4, unsigned long r5,
 	/* Rewind */
 	regs->pc -= 2;
 
+	if (notify_die(DIE_TRAP, regs, TRAPA_BUG_OPCODE & 0xff,
+		       SIGTRAP) == NOTIFY_STOP)
+		return;
+
 #ifdef CONFIG_BUG
 	if (__kernel_text_address(instruction_pointer(regs))) {
 		u16 insn = *(u16 *)instruction_pointer(regs);
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index 98802ab2821..477d2a854fc 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -4,7 +4,7 @@
  * This file handles the architecture-dependent parts of initialization
  *
  *  Copyright (C) 1999  Niibe Yutaka
- *  Copyright (C) 2002 - 2006 Paul Mundt
+ *  Copyright (C) 2002 - 2007 Paul Mundt
  */
 #include <linux/screen_info.h>
 #include <linux/ioport.h>
@@ -15,21 +15,22 @@
 #include <linux/seq_file.h>
 #include <linux/root_dev.h>
 #include <linux/utsname.h>
+#include <linux/nodemask.h>
 #include <linux/cpu.h>
 #include <linux/pfn.h>
 #include <linux/fs.h>
+#include <linux/mm.h>
+#include <linux/kexec.h>
 #include <asm/uaccess.h>
 #include <asm/io.h>
 #include <asm/sections.h>
 #include <asm/irq.h>
 #include <asm/setup.h>
 #include <asm/clock.h>
+#include <asm/mmu_context.h>
 
-#ifdef CONFIG_SH_KGDB
-#include <asm/kgdb.h>
-static int kgdb_parse_options(char *options);
-#endif
 extern void * __rd_start, * __rd_end;
+
 /*
  * Machine setup..
  */
@@ -205,53 +206,33 @@ static int __init sh_mv_setup(char **cmdline_p)
 	return 0;
 }
 
-void __init setup_arch(char **cmdline_p)
+/*
+ * Register fully available low RAM pages with the bootmem allocator.
+ */
+static void __init register_bootmem_low_pages(void)
 {
-	unsigned long bootmap_size;
-	unsigned long start_pfn, max_pfn, max_low_pfn;
-
-#ifdef CONFIG_CMDLINE_BOOL
-        strcpy(COMMAND_LINE, CONFIG_CMDLINE);
-#endif
-
-	ROOT_DEV = old_decode_dev(ORIG_ROOT_DEV);
-
-#ifdef CONFIG_BLK_DEV_RAM
-	rd_image_start = RAMDISK_FLAGS & RAMDISK_IMAGE_START_MASK;
-	rd_prompt = ((RAMDISK_FLAGS & RAMDISK_PROMPT_FLAG) != 0);
-	rd_doload = ((RAMDISK_FLAGS & RAMDISK_LOAD_FLAG) != 0);
-#endif
-
-	if (!MOUNT_ROOT_RDONLY)
-		root_mountflags &= ~MS_RDONLY;
-	init_mm.start_code = (unsigned long) _text;
-	init_mm.end_code = (unsigned long) _etext;
-	init_mm.end_data = (unsigned long) _edata;
-	init_mm.brk = (unsigned long) _end;
-
-	code_resource.start = (unsigned long)virt_to_phys(_text);
-	code_resource.end = (unsigned long)virt_to_phys(_etext)-1;
-	data_resource.start = (unsigned long)virt_to_phys(_etext);
-	data_resource.end = (unsigned long)virt_to_phys(_edata)-1;
-
-	sh_mv_setup(cmdline_p);
-
+	unsigned long curr_pfn, last_pfn, pages;
 
 	/*
-	 * Find the highest page frame number we have available
+	 * We are rounding up the start address of usable memory:
 	 */
-	max_pfn = PFN_DOWN(__pa(memory_end));
+	curr_pfn = PFN_UP(__MEMORY_START);
 
 	/*
-	 * Determine low and high memory ranges:
+	 * ... and at the end of the usable range downwards:
 	 */
-	max_low_pfn = max_pfn;
+	last_pfn = PFN_DOWN(__pa(memory_end));
 
-	/*
-	 * Partially used pages are not usable - thus
-	 * we are rounding upwards:
-	 */
-	start_pfn = PFN_UP(__pa(_end));
+	if (last_pfn > max_low_pfn)
+		last_pfn = max_low_pfn;
+
+	pages = last_pfn - curr_pfn;
+	free_bootmem(PFN_PHYS(curr_pfn), PFN_PHYS(pages));
+}
+
+void __init setup_bootmem_allocator(unsigned long start_pfn)
+{
+	unsigned long bootmap_size;
 
 	/*
 	 * Find a proper area for the bootmem bitmap. After this
@@ -259,31 +240,11 @@ void __init setup_arch(char **cmdline_p)
 	 * is intact) must be done via bootmem_alloc().
 	 */
 	bootmap_size = init_bootmem_node(NODE_DATA(0), start_pfn,
-					 __MEMORY_START>>PAGE_SHIFT,
-					 max_low_pfn);
-	/*
-	 * Register fully available low RAM pages with the bootmem allocator.
-	 */
-	{
-		unsigned long curr_pfn, last_pfn, pages;
-
-		/*
-		 * We are rounding up the start address of usable memory:
-		 */
-		curr_pfn = PFN_UP(__MEMORY_START);
-		/*
-		 * ... and at the end of the usable range downwards:
-		 */
-		last_pfn = PFN_DOWN(__pa(memory_end));
+					 min_low_pfn, max_low_pfn);
 
-		if (last_pfn > max_low_pfn)
-			last_pfn = max_low_pfn;
-
-		pages = last_pfn - curr_pfn;
-		free_bootmem_node(NODE_DATA(0), PFN_PHYS(curr_pfn),
-				  PFN_PHYS(pages));
-	}
+	register_bootmem_low_pages();
 
+	node_set_online(0);
 
 	/*
 	 * Reserve the kernel text and
@@ -292,14 +253,14 @@ void __init setup_arch(char **cmdline_p)
 	 * case of us accidentally initializing the bootmem allocator with
 	 * an invalid RAM area.
 	 */
-	reserve_bootmem_node(NODE_DATA(0), __MEMORY_START+PAGE_SIZE,
+	reserve_bootmem(__MEMORY_START+PAGE_SIZE,
 		(PFN_PHYS(start_pfn)+bootmap_size+PAGE_SIZE-1)-__MEMORY_START);
 
 	/*
 	 * reserve physical page 0 - it's a special BIOS page on many boxes,
 	 * enabling clean reboots, SMP operation, laptop functions.
 	 */
-	reserve_bootmem_node(NODE_DATA(0), __MEMORY_START, PAGE_SIZE);
+	reserve_bootmem(__MEMORY_START, PAGE_SIZE);
 
 #ifdef CONFIG_BLK_DEV_INITRD
 	ROOT_DEV = MKDEV(RAMDISK_MAJOR, 0);
@@ -313,8 +274,8 @@ void __init setup_arch(char **cmdline_p)
 
 	if (LOADER_TYPE && INITRD_START) {
 		if (INITRD_START + INITRD_SIZE <= (max_low_pfn << PAGE_SHIFT)) {
-			reserve_bootmem_node(NODE_DATA(0), INITRD_START +
-						__MEMORY_START, INITRD_SIZE);
+			reserve_bootmem(INITRD_START + __MEMORY_START,
+					INITRD_SIZE);
 			initrd_start = INITRD_START + PAGE_OFFSET +
 					__MEMORY_START;
 			initrd_end = initrd_start + INITRD_SIZE;
@@ -327,6 +288,76 @@ void __init setup_arch(char **cmdline_p)
 		}
 	}
 #endif
+#ifdef CONFIG_KEXEC
+	if (crashk_res.start != crashk_res.end)
+		reserve_bootmem(crashk_res.start,
+			crashk_res.end - crashk_res.start + 1);
+#endif
+}
+
+#ifndef CONFIG_NEED_MULTIPLE_NODES
+static void __init setup_memory(void)
+{
+	unsigned long start_pfn;
+
+	/*
+	 * Partially used pages are not usable - thus
+	 * we are rounding upwards:
+	 */
+	start_pfn = PFN_UP(__pa(_end));
+	setup_bootmem_allocator(start_pfn);
+}
+#else
+extern void __init setup_memory(void);
+#endif
+
+void __init setup_arch(char **cmdline_p)
+{
+	enable_mmu();
+
+#ifdef CONFIG_CMDLINE_BOOL
+	strcpy(COMMAND_LINE, CONFIG_CMDLINE);
+#endif
+
+	ROOT_DEV = old_decode_dev(ORIG_ROOT_DEV);
+
+#ifdef CONFIG_BLK_DEV_RAM
+	rd_image_start = RAMDISK_FLAGS & RAMDISK_IMAGE_START_MASK;
+	rd_prompt = ((RAMDISK_FLAGS & RAMDISK_PROMPT_FLAG) != 0);
+	rd_doload = ((RAMDISK_FLAGS & RAMDISK_LOAD_FLAG) != 0);
+#endif
+
+	if (!MOUNT_ROOT_RDONLY)
+		root_mountflags &= ~MS_RDONLY;
+	init_mm.start_code = (unsigned long) _text;
+	init_mm.end_code = (unsigned long) _etext;
+	init_mm.end_data = (unsigned long) _edata;
+	init_mm.brk = (unsigned long) _end;
+
+	code_resource.start = virt_to_phys(_text);
+	code_resource.end = virt_to_phys(_etext)-1;
+	data_resource.start = virt_to_phys(_etext);
+	data_resource.end = virt_to_phys(_edata)-1;
+
+	parse_early_param();
+
+	sh_mv_setup(cmdline_p);
+
+	/*
+	 * Find the highest page frame number we have available
+	 */
+	max_pfn = PFN_DOWN(__pa(memory_end));
+
+	/*
+	 * Determine low and high memory ranges:
+	 */
+	max_low_pfn = max_pfn;
+	min_low_pfn = __MEMORY_START >> PAGE_SHIFT;
+
+	nodes_clear(node_online_map);
+	setup_memory();
+	paging_init();
+	sparse_init();
 
 #ifdef CONFIG_DUMMY_CONSOLE
 	conswitchp = &dummy_con;
@@ -335,8 +366,6 @@ void __init setup_arch(char **cmdline_p)
 	/* Perform the machine specific initialisation */
 	if (likely(sh_mv.mv_setup))
 		sh_mv.mv_setup(cmdline_p);
-
-	paging_init();
 }
 
 struct sh_machine_vector* __init get_mv_byname(const char* name)
@@ -380,6 +409,7 @@ static const char *cpu_name[] = {
 	[CPU_SH7705]	= "SH7705",	[CPU_SH7706]	= "SH7706",
 	[CPU_SH7707]	= "SH7707",	[CPU_SH7708]	= "SH7708",
 	[CPU_SH7709]	= "SH7709",	[CPU_SH7710]	= "SH7710",
+	[CPU_SH7712]	= "SH7712",
 	[CPU_SH7729]	= "SH7729",	[CPU_SH7750]	= "SH7750",
 	[CPU_SH7750S]	= "SH7750S",	[CPU_SH7750R]	= "SH7750R",
 	[CPU_SH7751]	= "SH7751",	[CPU_SH7751R]	= "SH7751R",
@@ -477,7 +507,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 		     c->loops_per_jiffy/(500000/HZ),
 		     (c->loops_per_jiffy/(5000/HZ)) % 100);
 
-	return show_clocks(m);
+	return 0;
 }
 
 static void *c_start(struct seq_file *m, loff_t *pos)
@@ -499,92 +529,3 @@ struct seq_operations cpuinfo_op = {
 	.show	= show_cpuinfo,
 };
 #endif /* CONFIG_PROC_FS */
-
-#ifdef CONFIG_SH_KGDB
-/*
- * Parse command-line kgdb options.  By default KGDB is enabled,
- * entered on error (or other action) using default serial info.
- * The command-line option can include a serial port specification
- * and an action to override default or configured behavior.
- */
-struct kgdb_sermap kgdb_sci_sermap =
-{ "ttySC", 5, kgdb_sci_setup, NULL };
-
-struct kgdb_sermap *kgdb_serlist = &kgdb_sci_sermap;
-struct kgdb_sermap *kgdb_porttype = &kgdb_sci_sermap;
-
-void kgdb_register_sermap(struct kgdb_sermap *map)
-{
-	struct kgdb_sermap *last;
-
-	for (last = kgdb_serlist; last->next; last = last->next)
-		;
-	last->next = map;
-	if (!map->namelen) {
-		map->namelen = strlen(map->name);
-	}
-}
-
-static int __init kgdb_parse_options(char *options)
-{
-	char c;
-	int baud;
-
-	/* Check for port spec (or use default) */
-
-	/* Determine port type and instance */
-	if (!memcmp(options, "tty", 3)) {
-		struct kgdb_sermap *map = kgdb_serlist;
-
-		while (map && memcmp(options, map->name, map->namelen))
-			map = map->next;
-
-		if (!map) {
-			KGDB_PRINTK("unknown port spec in %s\n", options);
-			return -1;
-		}
-
-		kgdb_porttype = map;
-		kgdb_serial_setup = map->setup_fn;
-		kgdb_portnum = options[map->namelen] - '0';
-		options += map->namelen + 1;
-
-		options = (*options == ',') ? options+1 : options;
-
-		/* Read optional parameters (baud/parity/bits) */
-		baud = simple_strtoul(options, &options, 10);
-		if (baud != 0) {
-			kgdb_baud = baud;
-
-			c = toupper(*options);
-			if (c == 'E' || c == 'O' || c == 'N') {
-				kgdb_parity = c;
-				options++;
-			}
-
-			c = *options;
-			if (c == '7' || c == '8') {
-				kgdb_bits = c;
-				options++;
-			}
-			options = (*options == ',') ? options+1 : options;
-		}
-	}
-
-	/* Check for action specification */
-	if (!memcmp(options, "halt", 4)) {
-		kgdb_halt = 1;
-		options += 4;
-	} else if (!memcmp(options, "disabled", 8)) {
-		kgdb_enabled = 0;
-		options += 8;
-	}
-
-	if (*options) {
-                KGDB_PRINTK("ignored unknown options: %s\n", options);
-		return 0;
-	}
-	return 1;
-}
-__setup("kgdb=", kgdb_parse_options);
-#endif /* CONFIG_SH_KGDB */
diff --git a/arch/sh/kernel/sh_ksyms.c b/arch/sh/kernel/sh_ksyms.c
index 6e0d10fac4a..17f0b50c567 100644
--- a/arch/sh/kernel/sh_ksyms.c
+++ b/arch/sh/kernel/sh_ksyms.c
@@ -65,7 +65,6 @@ EXPORT_SYMBOL(__div64_32);
 
 /* These symbols are generated by the compiler itself */
 DECLARE_EXPORT(__udivsi3);
-DECLARE_EXPORT(__udivdi3);
 DECLARE_EXPORT(__sdivsi3);
 DECLARE_EXPORT(__ashrdi3);
 DECLARE_EXPORT(__ashldi3);
diff --git a/arch/sh/kernel/timers/timer-tmu.c b/arch/sh/kernel/timers/timer-tmu.c
index e060e71d078..ad1ede52fc9 100644
--- a/arch/sh/kernel/timers/timer-tmu.c
+++ b/arch/sh/kernel/timers/timer-tmu.c
@@ -148,7 +148,9 @@ static int tmu_timer_init(void)
 
 	/* Start TMU0 */
 	tmu_timer_stop();
-#if !defined(CONFIG_CPU_SUBTYPE_SH7300) && !defined(CONFIG_CPU_SUBTYPE_SH7760)
+#if !defined(CONFIG_CPU_SUBTYPE_SH7300) && \
+    !defined(CONFIG_CPU_SUBTYPE_SH7760) && \
+    !defined(CONFIG_CPU_SUBTYPE_SH7785)
 	ctrl_outb(TMU_TOCR_INIT, TMU_TOCR);
 #endif
 
diff --git a/arch/sh/kernel/traps.c b/arch/sh/kernel/traps.c
index e9f168f60f9..7b40f0ff3df 100644
--- a/arch/sh/kernel/traps.c
+++ b/arch/sh/kernel/traps.c
@@ -5,7 +5,7 @@
  *  SuperH version: Copyright (C) 1999 Niibe Yutaka
  *                  Copyright (C) 2000 Philipp Rumpf
  *                  Copyright (C) 2000 David Howells
- *                  Copyright (C) 2002 - 2006 Paul Mundt
+ *                  Copyright (C) 2002 - 2007 Paul Mundt
  *
  * 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
@@ -18,10 +18,12 @@
 #include <linux/module.h>
 #include <linux/kallsyms.h>
 #include <linux/io.h>
+#include <linux/bug.h>
 #include <linux/debug_locks.h>
 #include <linux/limits.h>
 #include <asm/system.h>
 #include <asm/uaccess.h>
+#include <asm/kdebug.h>
 
 #ifdef CONFIG_SH_KGDB
 #include <asm/kgdb.h>
@@ -74,7 +76,21 @@ static void dump_mem(const char *str, unsigned long bottom, unsigned long top)
 	}
 }
 
-DEFINE_SPINLOCK(die_lock);
+ATOMIC_NOTIFIER_HEAD(shdie_chain);
+
+int register_die_notifier(struct notifier_block *nb)
+{
+	return atomic_notifier_chain_register(&shdie_chain, nb);
+}
+EXPORT_SYMBOL(register_die_notifier);
+
+int unregister_die_notifier(struct notifier_block *nb)
+{
+	return atomic_notifier_chain_unregister(&shdie_chain, nb);
+}
+EXPORT_SYMBOL(unregister_die_notifier);
+
+static DEFINE_SPINLOCK(die_lock);
 
 void die(const char * str, struct pt_regs * regs, long err)
 {
@@ -130,40 +146,6 @@ static int die_if_no_fixup(const char * str, struct pt_regs * regs, long err)
 	return -EFAULT;
 }
 
-#ifdef CONFIG_BUG
-#ifdef CONFIG_DEBUG_BUGVERBOSE
-static inline void do_bug_verbose(struct pt_regs *regs)
-{
-	struct bug_frame f;
-	long len;
-
-	if (__copy_from_user(&f, (const void __user *)regs->pc,
-			     sizeof(struct bug_frame)))
-		return;
-
-	len = __strnlen_user(f.file, PATH_MAX) - 1;
-	if (unlikely(len < 0 || len >= PATH_MAX))
-		f.file = "<bad filename>";
-	len = __strnlen_user(f.func, PATH_MAX) - 1;
-	if (unlikely(len < 0 || len >= PATH_MAX))
-		f.func = "<bad function>";
-
-	printk(KERN_ALERT "kernel BUG in %s() at %s:%d!\n",
-	       f.func, f.file, f.line);
-}
-#else
-static inline void do_bug_verbose(struct pt_regs *regs)
-{
-}
-#endif /* CONFIG_DEBUG_BUGVERBOSE */
-
-void handle_BUG(struct pt_regs *regs)
-{
-	do_bug_verbose(regs);
-	die("Kernel BUG", regs, TRAPA_BUG_OPCODE & 0xff);
-}
-#endif /* CONFIG_BUG */
-
 /*
  * handle an instruction that does an unaligned memory access by emulating the
  * desired behaviour
@@ -888,6 +870,25 @@ void __init trap_init(void)
 	per_cpu_trap_init();
 }
 
+#ifdef CONFIG_BUG
+void handle_BUG(struct pt_regs *regs)
+{
+	enum bug_trap_type tt;
+	tt = report_bug(regs->pc);
+	if (tt == BUG_TRAP_TYPE_WARN) {
+		regs->pc += 2;
+		return;
+	}
+
+	die("Kernel BUG", regs, TRAPA_BUG_OPCODE & 0xff);
+}
+
+int is_valid_bugaddr(unsigned long addr)
+{
+	return addr >= PAGE_OFFSET;
+}
+#endif
+
 void show_trace(struct task_struct *tsk, unsigned long *sp,
 		struct pt_regs *regs)
 {
diff --git a/arch/sh/kernel/vmlinux.lds.S b/arch/sh/kernel/vmlinux.lds.S
index 78a6c09875b..d83143cc5ca 100644
--- a/arch/sh/kernel/vmlinux.lds.S
+++ b/arch/sh/kernel/vmlinux.lds.S
@@ -34,9 +34,11 @@ SECTIONS
   __ex_table : { *(__ex_table) }
   __stop___ex_table = .;
 
+  _etext = .;			/* End of text section */
+
   RODATA
 
-  _etext = .;			/* End of text section */
+  BUG_TABLE
 
   .data : {			/* Data */
 	*(.data)
@@ -53,8 +55,12 @@ SECTIONS
 
   . = ALIGN(PAGE_SIZE);
   .data.page_aligned : { *(.data.page_aligned) }
+  __nosave_begin = .;
+  .data_nosave : { *(.data.nosave) }
+  . = ALIGN(PAGE_SIZE);
+  __nosave_end = .;
 
-  . = ALIGN(L1_CACHE_BYTES);
+  . = ALIGN(PAGE_SIZE);
   __per_cpu_start = .;
   .data.percpu : { *(.data.percpu) }
   __per_cpu_end = .;
@@ -110,43 +116,10 @@ SECTIONS
    * it's a module.
    */
   /DISCARD/ : {
-	*(.exit.text)
-	*(.exit.data)
 	*(.exitcall.exit)
 	}
 
-  /* Stabs debugging sections.  */
-  .stab 0 : { *(.stab) }
-  .stabstr 0 : { *(.stabstr) }
-  .stab.excl 0 : { *(.stab.excl) }
-  .stab.exclstr 0 : { *(.stab.exclstr) }
-  .stab.index 0 : { *(.stab.index) }
-  .stab.indexstr 0 : { *(.stab.indexstr) }
-  .comment 0 : { *(.comment) }
-  /* DWARF debug sections.
-     Symbols in the DWARF debugging section are relative to the beginning
-     of the section so we begin .debug at 0.  */
-  /* DWARF 1 */
-  .debug          0 : { *(.debug) }
-  .line           0 : { *(.line) }
-  /* GNU DWARF 1 extensions */
-  .debug_srcinfo  0 : { *(.debug_srcinfo) }
-  .debug_sfnames  0 : { *(.debug_sfnames) }
-  /* DWARF 1.1 and DWARF 2 */
-  .debug_aranges  0 : { *(.debug_aranges) }
-  .debug_pubnames 0 : { *(.debug_pubnames) }
-  /* DWARF 2 */
-  .debug_info     0 : { *(.debug_info) }
-  .debug_abbrev   0 : { *(.debug_abbrev) }
-  .debug_line     0 : { *(.debug_line) }
-  .debug_frame    0 : { *(.debug_frame) }
-  .debug_str      0 : { *(.debug_str) }
-  .debug_loc      0 : { *(.debug_loc) }
-  .debug_macinfo  0 : { *(.debug_macinfo) }
-  /* SGI/MIPS DWARF 2 extensions */
-  .debug_weaknames 0 : { *(.debug_weaknames) }
-  .debug_funcnames 0 : { *(.debug_funcnames) }
-  .debug_typenames 0 : { *(.debug_typenames) }
-  .debug_varnames  0 : { *(.debug_varnames) }
-  /* These must appear regardless of  .  */
+  STABS_DEBUG
+
+  DWARF_DEBUG
 }