21 files changed, 596 insertions, 213 deletions

diff --git a/arch/sh/kernel/cpu/init.c b/arch/sh/kernel/cpu/init.c
index 6451ad63017..9172e97dc26 100644
--- a/arch/sh/kernel/cpu/init.c
+++ b/arch/sh/kernel/cpu/init.c
@@ -21,8 +21,7 @@
 #include <asm/cacheflush.h>
 #include <asm/cache.h>
 #include <asm/io.h>
-
-extern void detect_cpu_and_cache_system(void);
+#include <asm/ubc.h>
 
 /*
  * Generic wrapper for command line arguments to disable on-chip
@@ -152,15 +151,6 @@ static void __init cache_init(void)
 	flags |= CCR_CACHE_CB;
 #endif
 
-#ifdef CONFIG_SH_OCRAM
-	/* Turn on OCRAM -- halve the OC */
-	flags |= CCR_CACHE_ORA;
-	current_cpu_data.dcache.sets >>= 1;
-
-	current_cpu_data.dcache.way_size = current_cpu_data.dcache.sets *
-				    current_cpu_data.dcache.linesz;
-#endif
-
 	ctrl_outl(flags, CCR);
 	back_to_P1();
 }
@@ -269,7 +259,6 @@ asmlinkage void __init sh_cpu_init(void)
 	}
 #endif
 
-#ifdef CONFIG_UBC_WAKEUP
 	/*
 	 * Some brain-damaged loaders decided it would be a good idea to put
 	 * the UBC to sleep. This causes some issues when it comes to things
@@ -277,7 +266,5 @@ asmlinkage void __init sh_cpu_init(void)
 	 * we wake it up and hope that all is well.
 	 */
 	ubc_wakeup();
-#endif
-
 	speculative_execution_init();
 }
diff --git a/arch/sh/kernel/cpu/irq/intc2.c b/arch/sh/kernel/cpu/irq/intc2.c
index d8e22f4ff0f..cc5221390e0 100644
--- a/arch/sh/kernel/cpu/irq/intc2.c
+++ b/arch/sh/kernel/cpu/irq/intc2.c
@@ -13,36 +13,31 @@
 #include <linux/kernel.h>
 #include <linux/interrupt.h>
 #include <linux/io.h>
+#include <asm/smp.h>
 
-#if defined(CONFIG_CPU_SUBTYPE_SH7760)
-#define INTC2_BASE	0xfe080000
-#define INTC2_INTMSK	(INTC2_BASE + 0x40)
-#define INTC2_INTMSKCLR	(INTC2_BASE + 0x60)
-#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)
-#endif
+static inline struct intc2_desc *get_intc2_desc(unsigned int irq)
+{
+	struct irq_chip *chip = get_irq_chip(irq);
+	return (void *)((char *)chip - offsetof(struct intc2_desc, chip));
+}
 
 static void disable_intc2_irq(unsigned int irq)
 {
 	struct intc2_data *p = get_irq_chip_data(irq);
-	ctrl_outl(1 << p->msk_shift, INTC2_INTMSK + p->msk_offset);
+	struct intc2_desc *d = get_intc2_desc(irq);
+
+	ctrl_outl(1 << p->msk_shift, d->msk_base + p->msk_offset +
+				     (hard_smp_processor_id() * 4));
 }
 
 static void enable_intc2_irq(unsigned int irq)
 {
 	struct intc2_data *p = get_irq_chip_data(irq);
-	ctrl_outl(1 << p->msk_shift, INTC2_INTMSKCLR + p->msk_offset);
-}
+	struct intc2_desc *d = get_intc2_desc(irq);
 
-static struct irq_chip intc2_irq_chip = {
-	.name		= "INTC2",
-	.mask		= disable_intc2_irq,
-	.unmask		= enable_intc2_irq,
-	.mask_ack	= disable_intc2_irq,
-};
+	ctrl_outl(1 << p->msk_shift, d->mskclr_base + p->msk_offset +
+				     (hard_smp_processor_id() * 4));
+}
 
 /*
  * Setup an INTC2 style interrupt.
@@ -56,30 +51,36 @@ static struct irq_chip intc2_irq_chip = {
  *
  * in the intc2_data table.
  */
-void make_intc2_irq(struct intc2_data *table, unsigned int nr_irqs)
+void register_intc2_controller(struct intc2_desc *desc)
 {
 	int i;
 
-	for (i = 0; i < nr_irqs; i++) {
+	desc->chip.mask = disable_intc2_irq;
+	desc->chip.unmask = enable_intc2_irq;
+	desc->chip.mask_ack = disable_intc2_irq;
+
+	for (i = 0; i < desc->nr_irqs; i++) {
 		unsigned long ipr, flags;
-		struct intc2_data *p = table + i;
+		struct intc2_data *p = desc->intc2_data + i;
 
 		disable_irq_nosync(p->irq);
 
-		/* Set the priority level */
-		local_irq_save(flags);
+		if (desc->prio_base) {
+			/* Set the priority level */
+			local_irq_save(flags);
 
-		ipr = ctrl_inl(INTC2_BASE + p->ipr_offset);
-		ipr &= ~(0xf << p->ipr_shift);
-		ipr |= p->priority << p->ipr_shift;
-		ctrl_outl(ipr, INTC2_BASE + p->ipr_offset);
+			ipr = ctrl_inl(desc->prio_base + p->ipr_offset);
+			ipr &= ~(0xf << p->ipr_shift);
+			ipr |= p->priority << p->ipr_shift;
+			ctrl_outl(ipr, desc->prio_base + p->ipr_offset);
 
-		local_irq_restore(flags);
+			local_irq_restore(flags);
+		}
 
-		set_irq_chip_and_handler_name(p->irq, &intc2_irq_chip,
+		set_irq_chip_and_handler_name(p->irq, &desc->chip,
 					      handle_level_irq, "level");
 		set_irq_chip_data(p->irq, p);
 
-		enable_intc2_irq(p->irq);
+		disable_intc2_irq(p->irq);
 	}
 }
diff --git a/arch/sh/kernel/cpu/irq/ipr.c b/arch/sh/kernel/cpu/irq/ipr.c
index 210280b6fdd..98e84f40c71 100644
--- a/arch/sh/kernel/cpu/irq/ipr.c
+++ b/arch/sh/kernel/cpu/irq/ipr.c
@@ -22,58 +22,57 @@
 #include <linux/io.h>
 #include <linux/interrupt.h>
 
+static inline struct ipr_desc *get_ipr_desc(unsigned int irq)
+{
+	struct irq_chip *chip = get_irq_chip(irq);
+	return (void *)((char *)chip - offsetof(struct ipr_desc, chip));
+}
+
 static void disable_ipr_irq(unsigned int irq)
 {
 	struct ipr_data *p = get_irq_chip_data(irq);
+	unsigned long addr = get_ipr_desc(irq)->ipr_offsets[p->ipr_idx];
 	/* Set the priority in IPR to 0 */
-	ctrl_outw(ctrl_inw(p->addr) & (0xffff ^ (0xf << p->shift)), p->addr);
+	ctrl_outw(ctrl_inw(addr) & (0xffff ^ (0xf << p->shift)), addr);
 }
 
 static void enable_ipr_irq(unsigned int irq)
 {
 	struct ipr_data *p = get_irq_chip_data(irq);
+	unsigned long addr = get_ipr_desc(irq)->ipr_offsets[p->ipr_idx];
 	/* Set priority in IPR back to original value */
-	ctrl_outw(ctrl_inw(p->addr) | (p->priority << p->shift), p->addr);
+	ctrl_outw(ctrl_inw(addr) | (p->priority << p->shift), addr);
 }
 
-static struct irq_chip ipr_irq_chip = {
-	.name		= "IPR",
-	.mask		= disable_ipr_irq,
-	.unmask		= enable_ipr_irq,
-	.mask_ack	= disable_ipr_irq,
-};
-
-unsigned int map_ipridx_to_addr(int idx) __attribute__ ((weak));
-unsigned int map_ipridx_to_addr(int idx)
-{
-	return 0;
-}
+/*
+ * The shift value is now the number of bits to shift, not the number of
+ * bits/4. This is to make it easier to read the value directly from the
+ * datasheets. The IPR address is calculated using the ipr_offset table.
+ */
 
-void make_ipr_irq(struct ipr_data *table, unsigned int nr_irqs)
+void register_ipr_controller(struct ipr_desc *desc)
 {
 	int i;
 
-	for (i = 0; i < nr_irqs; i++) {
-		unsigned int irq = table[i].irq;
+	desc->chip.mask = disable_ipr_irq;
+	desc->chip.unmask = enable_ipr_irq;
+	desc->chip.mask_ack = disable_ipr_irq;
 
-		if (!irq)
-			irq = table[i].irq = i;
+	for (i = 0; i < desc->nr_irqs; i++) {
+		struct ipr_data *p = desc->ipr_data + i;
 
-		/* could the IPR index be mapped, if not we ignore this */
-		if (!table[i].addr) {
-			table[i].addr = map_ipridx_to_addr(table[i].ipr_idx);
-			if (!table[i].addr)
-				continue;
-		}
+		BUG_ON(p->ipr_idx >= desc->nr_offsets);
+		BUG_ON(!desc->ipr_offsets[p->ipr_idx]);
 
-		disable_irq_nosync(irq);
-		set_irq_chip_and_handler_name(irq, &ipr_irq_chip,
+		disable_irq_nosync(p->irq);
+		set_irq_chip_and_handler_name(p->irq, &desc->chip,
 				      handle_level_irq, "level");
-		set_irq_chip_data(irq, &table[i]);
-		enable_ipr_irq(irq);
+		set_irq_chip_data(p->irq, p);
+		disable_ipr_irq(p->irq);
 	}
 }
-EXPORT_SYMBOL(make_ipr_irq);
+
+EXPORT_SYMBOL(register_ipr_controller);
 
 #if !defined(CONFIG_CPU_HAS_PINT_IRQ)
 int ipr_irq_demux(int irq)
diff --git a/arch/sh/kernel/cpu/sh2/entry.S b/arch/sh/kernel/cpu/sh2/entry.S
index c16dc8fec48..ee8f1fe84b0 100644
--- a/arch/sh/kernel/cpu/sh2/entry.S
+++ b/arch/sh/kernel/cpu/sh2/entry.S
@@ -311,6 +311,7 @@ restore_all:
 	rte
 	 nop
 
+	.align 2
 #ifdef CONFIG_TRACE_IRQFLAGS
 1:     .long   trace_hardirqs_off
 #endif
diff --git a/arch/sh/kernel/cpu/sh2/probe.c b/arch/sh/kernel/cpu/sh2/probe.c
index 108e81b682e..abbf17427e5 100644
--- a/arch/sh/kernel/cpu/sh2/probe.c
+++ b/arch/sh/kernel/cpu/sh2/probe.c
@@ -9,23 +9,14 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  */
-
-
 #include <linux/init.h>
+#include <linux/smp.h>
 #include <asm/processor.h>
 #include <asm/cache.h>
 
 int __init detect_cpu_and_cache_system(void)
 {
-#if defined(CONFIG_CPU_SUBTYPE_SH7604)
-	current_cpu_data.type			= CPU_SH7604;
-	current_cpu_data.dcache.ways		= 4;
-	current_cpu_data.dcache.way_incr	= (1<<10);
-	current_cpu_data.dcache.sets		= 64;
-	current_cpu_data.dcache.entry_shift	= 4;
-	current_cpu_data.dcache.linesz		= L1_CACHE_BYTES;
-	current_cpu_data.dcache.flags		= 0;
-#elif defined(CONFIG_CPU_SUBTYPE_SH7619)
+#if defined(CONFIG_CPU_SUBTYPE_SH7619)
 	current_cpu_data.type			= CPU_SH7619;
 	current_cpu_data.dcache.ways		= 4;
 	current_cpu_data.dcache.way_incr	= (1<<12);
diff --git a/arch/sh/kernel/cpu/sh2/setup-sh7619.c b/arch/sh/kernel/cpu/sh2/setup-sh7619.c
index f83ff8a68f3..1a107fe22dd 100644
--- a/arch/sh/kernel/cpu/sh2/setup-sh7619.c
+++ b/arch/sh/kernel/cpu/sh2/setup-sh7619.c
@@ -52,7 +52,7 @@ static int __init sh7619_devices_setup(void)
 }
 __initcall(sh7619_devices_setup);
 
-static struct ipr_data sh7619_ipr_map[] = {
+static struct ipr_data ipr_irq_table[] = {
 	{ 86, 0,  4, 2 },	/* CMI0 */
 	{ 88, 1, 12, 3 },	/* SCIF0_ERI */
 	{ 89, 1, 12, 3 },	/* SCIF0_RXI */
@@ -68,7 +68,7 @@ static struct ipr_data sh7619_ipr_map[] = {
 	{ 99, 1,  4, 3 },	/* SCIF2_TXI */
 };
 
-static unsigned int ipr_offsets[] = {
+static unsigned long ipr_offsets[] = {
 	0xf8080000,	/* IPRC */
 	0xf8080002,	/* IPRD */
 	0xf8080004,	/* IPRE */
@@ -76,15 +76,19 @@ static unsigned int ipr_offsets[] = {
 	0xf8080008,	/* IPRG */
 };
 
-/* given the IPR index return the address of the IPR register */
-unsigned int map_ipridx_to_addr(int idx)
-{
-	if (unlikely(idx >= ARRAY_SIZE(ipr_offsets)))
-		return 0;
-	return ipr_offsets[idx];
-}
+static struct ipr_desc ipr_irq_desc = {
+	.ipr_offsets	= ipr_offsets,
+	.nr_offsets	= ARRAY_SIZE(ipr_offsets),
+
+	.ipr_data	= ipr_irq_table,
+	.nr_irqs	= ARRAY_SIZE(ipr_irq_table),
+
+	.chip = {
+		.name	= "IPR-sh7619",
+	},
+};
 
 void __init init_IRQ_ipr(void)
 {
-	make_ipr_irq(sh7619_ipr_map, ARRAY_SIZE(sh7619_ipr_map));
+	register_ipr_controller(&ipr_irq_desc);
 }
diff --git a/arch/sh/kernel/cpu/sh2a/setup-sh7206.c b/arch/sh/kernel/cpu/sh2a/setup-sh7206.c
index 4ed9110632b..b6e3a6351fa 100644
--- a/arch/sh/kernel/cpu/sh2a/setup-sh7206.c
+++ b/arch/sh/kernel/cpu/sh2a/setup-sh7206.c
@@ -57,7 +57,7 @@ static int __init sh7206_devices_setup(void)
 }
 __initcall(sh7206_devices_setup);
 
-static struct ipr_data sh7206_ipr_map[] = {
+static struct ipr_data ipr_irq_table[] = {
 	{ 140,  7, 12, 2 },	/* CMI0 */
 	{ 164,  8,  4, 2 },	/* MTU2_TGI1A */
 	{ 240, 13, 12, 3 },	/* SCIF0_BRI */
@@ -78,7 +78,7 @@ static struct ipr_data sh7206_ipr_map[] = {
 	{ 255, 13,  0, 3 },	/* SCIF3_TXI */
 };
 
-static unsigned int ipr_offsets[] = {
+static unsigned long ipr_offsets[] = {
 	0xfffe0818,	/* IPR01 */
 	0xfffe081a,	/* IPR02 */
 	0,		/* unused */
@@ -95,15 +95,19 @@ static unsigned int ipr_offsets[] = {
 	0xfffe0c10,	/* IPR14 */
 };
 
-/* given the IPR index return the address of the IPR register */
-unsigned int map_ipridx_to_addr(int idx)
-{
-	if (unlikely(idx >= ARRAY_SIZE(ipr_offsets)))
-		return 0;
-	return ipr_offsets[idx];
-}
+static struct ipr_desc ipr_irq_desc = {
+	.ipr_offsets	= ipr_offsets,
+	.nr_offsets	= ARRAY_SIZE(ipr_offsets),
+
+	.ipr_data	= ipr_irq_table,
+	.nr_irqs	= ARRAY_SIZE(ipr_irq_table),
+
+	.chip = {
+		.name	= "IPR-sh7206",
+	},
+};
 
 void __init init_IRQ_ipr(void)
 {
-	make_ipr_irq(sh7206_ipr_map, ARRAY_SIZE(sh7206_ipr_map));
+	register_ipr_controller(&ipr_irq_desc);
 }
diff --git a/arch/sh/kernel/cpu/sh3/entry.S b/arch/sh/kernel/cpu/sh3/entry.S
index b0b59d4a33c..d8e122971c3 100644
--- a/arch/sh/kernel/cpu/sh3/entry.S
+++ b/arch/sh/kernel/cpu/sh3/entry.S
@@ -340,8 +340,27 @@ ENTRY(vbr_base)
 general_exception:
 	mov.l	1f, k2
 	mov.l	2f, k3
+#ifdef CONFIG_CPU_SUBTYPE_SHX3
+	mov.l	@k2, k2
+
+	! Is EXPEVT larger than 0x800?
+	mov	#0x8, k0
+	shll8	k0
+	cmp/hs	k0, k2
+	bf	0f
+
+	! then add 0x580 (k2 is 0xd80 or 0xda0)
+	mov	#0x58, k0
+	shll2	k0
+	shll2	k0
+	add	k0, k2
+0:
+	bra	handle_exception
+	 nop
+#else
 	bra	handle_exception
 	 mov.l	@k2, k2
+#endif
 	.align	2
 1:	.long	EXPEVT
 2:	.long	ret_from_exception
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7705.c b/arch/sh/kernel/cpu/sh3/setup-sh7705.c
index 1983fb7ad6e..a55b8ce2c54 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh7705.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7705.c
@@ -48,7 +48,7 @@ static int __init sh7705_devices_setup(void)
 }
 __initcall(sh7705_devices_setup);
 
-static struct ipr_data sh7705_ipr_map[] = {
+static struct ipr_data ipr_irq_table[] = {
 	/* IRQ, IPR-idx, shift, priority */
 	{ 16, 0, 12, 2 }, /* TMU0 TUNI*/
 	{ 17, 0,  8, 2 }, /* TMU1 TUNI */
@@ -70,25 +70,29 @@ static struct ipr_data sh7705_ipr_map[] = {
 };
 
 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 */
+	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];
-}
+static struct ipr_desc ipr_irq_desc = {
+	.ipr_offsets	= ipr_offsets,
+	.nr_offsets	= ARRAY_SIZE(ipr_offsets),
+
+	.ipr_data	= ipr_irq_table,
+	.nr_irqs	= ARRAY_SIZE(ipr_irq_table),
+
+	.chip = {
+		.name	= "IPR-sh7705",
+	},
+};
 
-void __init init_IRQ_ipr()
+void __init init_IRQ_ipr(void)
 {
-	make_ipr_irq(sh7705_ipr_map, ARRAY_SIZE(sh7705_ipr_map));
+	register_ipr_controller(&ipr_irq_desc);
 }
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7709.c b/arch/sh/kernel/cpu/sh3/setup-sh7709.c
index c7d7c35fc83..d79ec0c0522 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh7709.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7709.c
@@ -12,6 +12,26 @@
 #include <linux/serial.h>
 #include <asm/sci.h>
 
+static struct resource rtc_resources[] = {
+	[0] =	{
+		.start	= 0xfffffec0,
+		.end	= 0xfffffec0 + 0x1e,
+		.flags  = IORESOURCE_IO,
+	},
+	[1] =	{
+		.start  = 20,
+		.flags	= IORESOURCE_IRQ,
+	},
+	[2] =	{
+		.start	= 21,
+		.flags	= IORESOURCE_IRQ,
+	},
+	[3] =	{
+		.start	= 22,
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
 static struct plat_sci_port sci_platform_data[] = {
 	{
 		.mapbase	= 0xfffffe80,
@@ -41,8 +61,16 @@ static struct platform_device sci_device = {
 	},
 };
 
+static struct platform_device rtc_device = {
+	.name		= "sh-rtc",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(rtc_resources),
+	.resource	= rtc_resources,
+};
+
 static struct platform_device *sh7709_devices[] __initdata = {
 	&sci_device,
+	&rtc_device,
 };
 
 static int __init sh7709_devices_setup(void)
@@ -52,32 +80,66 @@ static int __init sh7709_devices_setup(void)
 }
 __initcall(sh7709_devices_setup);
 
-#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(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 */
+static struct ipr_data ipr_irq_table[] = {
+	{ 16, 0, 12, 2 }, /* TMU TUNI0 */
+	{ 17, 0, 8,  4 }, /* TMU TUNI1 */
+	{ 18, 0, 4,  1 }, /* TMU TUNI1 */
+	{ 19, 0, 4,  1 }, /* TMU TUNI1 */
+	{ 20, 0, 0,  2 }, /* RTC CUI */
+	{ 21, 0, 0,  2 }, /* RTC CUI */
+	{ 22, 0, 0,  2 }, /* RTC CUI */
+
+	{ 23, 1, 4,  3 }, /* SCI */
+	{ 24, 1, 4,  3 }, /* SCI */
+	{ 25, 1, 4,  3 }, /* SCI */
+	{ 26, 1, 4,  3 }, /* SCI */
+	{ 27, 1, 12, 3 }, /* WDT ITI */
+
+	{ 32, 2, 0,  1 }, /* IRQ 0 */
+	{ 33, 2, 4,  1 }, /* IRQ 1 */
+	{ 34, 2, 8,  1 }, /* IRQ 2 APM */
+	{ 35, 2, 12, 1 }, /* IRQ 3 TOUCHSCREEN */
+
+	{ 36, 3, 0,  1 }, /* IRQ 4 */
+	{ 37, 3, 4,  1 }, /* IRQ 5 */
+
+	{ 48, 4, 12, 7 }, /* DMA */
+	{ 49, 4, 12, 7 }, /* DMA */
+	{ 50, 4, 12, 7 }, /* DMA */
+	{ 51, 4, 12, 7 }, /* DMA */
+
+	{ 52, 4, 8,  3 }, /* IRDA */
+	{ 53, 4, 8,  3 }, /* IRDA */
+	{ 54, 4, 8,  3 }, /* IRDA */
+	{ 55, 4, 8,  3 }, /* IRDA */
+
+	{ 56, 4, 4,  3 }, /* SCIF */
+	{ 57, 4, 4,  3 }, /* SCIF */
+	{ 58, 4, 4,  3 }, /* SCIF */
+	{ 59, 4, 4,  3 }, /* SCIF */
+};
+
+static unsigned long ipr_offsets[] = {
+	0xfffffee2,	/* 0: IPRA */
+	0xfffffee4,	/* 1: IPRB */
+	0xa4000016,	/* 2: IPRC */
+	0xa4000018,	/* 3: IPRD */
+	0xa400001a,	/* 4: IPRE */
+};
+
+static struct ipr_desc ipr_irq_desc = {
+	.ipr_offsets	= ipr_offsets,
+	.nr_offsets	= ARRAY_SIZE(ipr_offsets),
+
+	.ipr_data	= ipr_irq_table,
+	.nr_irqs	= ARRAY_SIZE(ipr_irq_table),
+
+	.chip = {
+		.name	= "IPR-sh7709",
+	},
 };
 
-void __init init_IRQ_ipr()
+void __init init_IRQ_ipr(void)
 {
-	make_ipr_irq(sh7709_ipr_map, ARRAY_SIZE(sh7709_ipr_map));
+	register_ipr_controller(&ipr_irq_desc);
 }
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7710.c b/arch/sh/kernel/cpu/sh3/setup-sh7710.c
index 51760a7e7f1..f40e6dac337 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh7710.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7710.c
@@ -49,7 +49,7 @@ static int __init sh7710_devices_setup(void)
 }
 __initcall(sh7710_devices_setup);
 
-static struct ipr_data sh7710_ipr_map[] = {
+static struct ipr_data ipr_irq_table[] = {
 	/* IRQ, IPR-idx, shift, priority */
 	{ 16, 0, 12, 2 }, /* TMU0 TUNI*/
 	{ 17, 0,  8, 2 }, /* TMU1 TUNI */
@@ -78,26 +78,30 @@ static struct ipr_data sh7710_ipr_map[] = {
 };
 
 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 */
+	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];
-}
+static struct ipr_desc ipr_irq_desc = {
+	.ipr_offsets	= ipr_offsets,
+	.nr_offsets	= ARRAY_SIZE(ipr_offsets),
+
+	.ipr_data	= ipr_irq_table,
+	.nr_irqs	= ARRAY_SIZE(ipr_irq_table),
+
+	.chip = {
+		.name	= "IPR-sh7710",
+	},
+};
 
-void __init init_IRQ_ipr()
+void __init init_IRQ_ipr(void)
 {
-	make_ipr_irq(sh7710_ipr_map, ARRAY_SIZE(sh7710_ipr_map));
+	register_ipr_controller(&ipr_irq_desc);
 }
diff --git a/arch/sh/kernel/cpu/sh4/Makefile b/arch/sh/kernel/cpu/sh4/Makefile
index 8add10bd826..dadd6bffc12 100644
--- a/arch/sh/kernel/cpu/sh4/Makefile
+++ b/arch/sh/kernel/cpu/sh4/Makefile
@@ -10,7 +10,11 @@ obj-$(CONFIG_SH_STORE_QUEUES)		+= sq.o
 
 # CPU subtype setup
 obj-$(CONFIG_CPU_SUBTYPE_SH7750)	+= setup-sh7750.o
+obj-$(CONFIG_CPU_SUBTYPE_SH7750R)	+= setup-sh7750.o
+obj-$(CONFIG_CPU_SUBTYPE_SH7750S)	+= setup-sh7750.o
+obj-$(CONFIG_CPU_SUBTYPE_SH7091)	+= setup-sh7750.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7751)	+= setup-sh7750.o
+obj-$(CONFIG_CPU_SUBTYPE_SH7751R)	+= setup-sh7750.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7760)	+= setup-sh7760.o
 obj-$(CONFIG_CPU_SUBTYPE_SH4_202)	+= setup-sh4-202.o
 
diff --git a/arch/sh/kernel/cpu/sh4/probe.c b/arch/sh/kernel/cpu/sh4/probe.c
index fab2eb07196..66c3f75647b 100644
--- a/arch/sh/kernel/cpu/sh4/probe.c
+++ b/arch/sh/kernel/cpu/sh4/probe.c
@@ -141,6 +141,14 @@ int __init detect_cpu_and_cache_system(void)
 			current_cpu_data.flags |= CPU_HAS_LLSC;
 		}
 		break;
+	case 0x4000:	/* 1st cut */
+	case 0x4001:	/* 2nd cut */
+		current_cpu_data.type = CPU_SHX3;
+		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 0x8000:
 		current_cpu_data.type = CPU_ST40RA;
 		current_cpu_data.flags |= CPU_HAS_FPU;
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7750.c b/arch/sh/kernel/cpu/sh4/setup-sh7750.c
index 03b14cf78dd..da153bcdfeb 100644
--- a/arch/sh/kernel/cpu/sh4/setup-sh7750.c
+++ b/arch/sh/kernel/cpu/sh4/setup-sh7750.c
@@ -82,7 +82,7 @@ static int __init sh7750_devices_setup(void)
 }
 __initcall(sh7750_devices_setup);
 
-static struct ipr_data sh7750_ipr_map[] = {
+static struct ipr_data ipr_irq_table[] = {
 	/* IRQ, IPR-idx, shift, priority */
 	{ 16, 0, 12, 2 }, /* TMU0 TUNI*/
 	{ 17, 0, 12, 2 }, /* TMU1 TUNI */
@@ -106,8 +106,27 @@ static struct ipr_data sh7750_ipr_map[] = {
 	{ 38, 2,  8, 7 }, /* DMAC DMAE */
 };
 
+static unsigned long ipr_offsets[] = {
+	0xffd00004UL,	/* 0: IPRA */
+	0xffd00008UL,	/* 1: IPRB */
+	0xffd0000cUL,	/* 2: IPRC */
+	0xffd00010UL,	/* 3: IPRD */
+};
+
+static struct ipr_desc ipr_irq_desc = {
+	.ipr_offsets	= ipr_offsets,
+	.nr_offsets	= ARRAY_SIZE(ipr_offsets),
+
+	.ipr_data	= ipr_irq_table,
+	.nr_irqs	= ARRAY_SIZE(ipr_irq_table),
+
+	.chip = {
+		.name	= "IPR-sh7750",
+	},
+};
+
 #ifdef CONFIG_CPU_SUBTYPE_SH7751
-static struct ipr_data sh7751_ipr_map[] = {
+static struct ipr_data ipr_irq_table_sh7751[] = {
 	{ 44, 2,  8, 7 }, /* DMAC DMTE4 */
 	{ 45, 2,  8, 7 }, /* DMAC DMTE5 */
 	{ 46, 2,  8, 7 }, /* DMAC DMTE6 */
@@ -118,21 +137,26 @@ static struct ipr_data sh7751_ipr_map[] = {
 	/*{ 72, INTPRI00,  8, ? },*/ /* TMU3 TUNI */
 	/*{ 76, INTPRI00, 12, ? },*/ /* TMU4 TUNI */
 };
-#endif
 
-static unsigned long ipr_offsets[] = {
-	0xffd00004UL,	/* 0: IPRA */
-	0xffd00008UL,	/* 1: IPRB */
-	0xffd0000cUL,	/* 2: IPRC */
-	0xffd00010UL,	/* 3: IPRD */
+static struct ipr_desc ipr_irq_desc_sh7751 = {
+	.ipr_offsets	= ipr_offsets,
+	.nr_offsets	= ARRAY_SIZE(ipr_offsets),
+
+	.ipr_data	= ipr_irq_table_sh7751,
+	.nr_irqs	= ARRAY_SIZE(ipr_irq_table_sh7751),
+
+	.chip = {
+		.name	= "IPR-sh7751",
+	},
 };
+#endif
 
-/* given the IPR index return the address of the IPR register */
-unsigned int map_ipridx_to_addr(int idx)
+void __init init_IRQ_ipr(void)
 {
-	if (idx >= ARRAY_SIZE(ipr_offsets))
-		return 0;
-	return ipr_offsets[idx];
+	register_ipr_controller(&ipr_irq_desc);
+#ifdef CONFIG_CPU_SUBTYPE_SH7751
+	register_ipr_controller(&ipr_irq_desc_sh7751);
+#endif
 }
 
 #define INTC_ICR	0xffd00000UL
@@ -143,11 +167,3 @@ void ipr_irq_enable_irlm(void)
 {
 	ctrl_outw(ctrl_inw(INTC_ICR) | INTC_ICR_IRLM, INTC_ICR);
 }
-
-void __init init_IRQ_ipr()
-{
-	make_ipr_irq(sh7750_ipr_map, ARRAY_SIZE(sh7750_ipr_map));
-#ifdef CONFIG_CPU_SUBTYPE_SH7751
-	make_ipr_irq(sh7751_ipr_map, ARRAY_SIZE(sh7751_ipr_map));
-#endif
-}
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7760.c b/arch/sh/kernel/cpu/sh4/setup-sh7760.c
index b7c702821e6..3df16975567 100644
--- a/arch/sh/kernel/cpu/sh4/setup-sh7760.c
+++ b/arch/sh/kernel/cpu/sh4/setup-sh7760.c
@@ -96,7 +96,25 @@ static struct intc2_data intc2_irq_table[] = {
 	{109,12,  0, 4,  0,  3},	/* CMTI */
 };
 
-static struct ipr_data sh7760_ipr_map[] = {
+static struct intc2_desc intc2_irq_desc __read_mostly = {
+	.prio_base	= 0xfe080000,
+	.msk_base	= 0xfe080040,
+	.mskclr_base	= 0xfe080060,
+
+	.intc2_data	= intc2_irq_table,
+	.nr_irqs	= ARRAY_SIZE(intc2_irq_table),
+
+	.chip = {
+		.name	= "INTC2-sh7760",
+	},
+};
+
+void __init init_IRQ_intc2(void)
+{
+	register_intc2_controller(&intc2_irq_desc);
+}
+
+static struct ipr_data ipr_irq_table[] = {
 	/* IRQ, IPR-idx, shift, priority */
 	{ 16, 0, 12, 2 }, /* TMU0 TUNI*/
 	{ 17, 0,  8, 2 }, /* TMU1 TUNI */
@@ -133,20 +151,19 @@ static unsigned long ipr_offsets[] = {
 	0xffd00010UL,	/* 3: IPRD */
 };
 
-/* 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];
-}
+static struct ipr_desc ipr_irq_desc = {
+	.ipr_offsets	= ipr_offsets,
+	.nr_offsets	= ARRAY_SIZE(ipr_offsets),
 
-void __init init_IRQ_intc2(void)
-{
-	make_intc2_irq(intc2_irq_table, ARRAY_SIZE(intc2_irq_table));
-}
+	.ipr_data	= ipr_irq_table,
+	.nr_irqs	= ARRAY_SIZE(ipr_irq_table),
+
+	.chip = {
+		.name	= "IPR-sh7760",
+	},
+};
 
-void __init  init_IRQ_ipr(void)
+void __init init_IRQ_ipr(void)
 {
-	make_ipr_irq(sh7760_ipr_map, ARRAY_SIZE(sh7760_ipr_map));
+	register_ipr_controller(&ipr_irq_desc);
 }
diff --git a/arch/sh/kernel/cpu/sh4a/Makefile b/arch/sh/kernel/cpu/sh4a/Makefile
index ab7422f8f82..40062328648 100644
--- a/arch/sh/kernel/cpu/sh4a/Makefile
+++ b/arch/sh/kernel/cpu/sh4a/Makefile
@@ -9,6 +9,7 @@ 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
+obj-$(CONFIG_CPU_SUBTYPE_SHX3)		+= setup-shx3.o
 
 # Primary on-chip clocks (common)
 clock-$(CONFIG_CPU_SUBTYPE_SH73180)	:= clock-sh73180.o
@@ -17,5 +18,6 @@ clock-$(CONFIG_CPU_SUBTYPE_SH7780)	:= clock-sh7780.o
 clock-$(CONFIG_CPU_SUBTYPE_SH7785)	:= clock-sh7785.o
 clock-$(CONFIG_CPU_SUBTYPE_SH7343)	:= clock-sh7343.o
 clock-$(CONFIG_CPU_SUBTYPE_SH7722)	:= clock-sh7722.o
+clock-$(CONFIG_CPU_SUBTYPE_SHX3)	:= clock-shx3.o
 
 obj-y	+= $(clock-y)
diff --git a/arch/sh/kernel/cpu/sh4a/clock-shx3.c b/arch/sh/kernel/cpu/sh4a/clock-shx3.c
new file mode 100644
index 00000000000..c630b29e06a
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh4a/clock-shx3.c
@@ -0,0 +1,135 @@
+/*
+ * arch/sh/kernel/cpu/sh4/clock-shx3.c
+ *
+ * SH-X3 support for the clock framework
+ *
+ *  Copyright (C) 2006-2007  Renesas Technology Corp.
+ *  Copyright (C) 2006-2007  Renesas Solutions Corp.
+ *  Copyright (C) 2006-2007  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 bfc_divisors[] = { 1, 1, 1, 1, 1, 12, 16, 18, 24, 32, 36, 48 };
+static int pfc_divisors[] = { 1, 1, 1, 1, 1, 1, 1, 18, 24, 32, 36, 48 };
+static int cfc_divisors[] = { 1, 1, 4, 6 };
+
+#define IFC_POS		28
+#define IFC_MSK		0x0003
+#define BFC_MSK		0x000f
+#define PFC_MSK		0x000f
+#define CFC_MSK		0x0003
+#define BFC_POS		16
+#define PFC_POS		0
+#define CFC_POS		20
+
+static void master_clk_init(struct clk *clk)
+{
+	clk->rate *= pfc_divisors[(ctrl_inl(FRQCR) >> PFC_POS) & PFC_MSK];
+}
+
+static struct clk_ops shx3_master_clk_ops = {
+	.init		= master_clk_init,
+};
+
+static void module_clk_recalc(struct clk *clk)
+{
+	int idx = ((ctrl_inl(FRQCR) >> PFC_POS) & PFC_MSK);
+	clk->rate = clk->parent->rate / pfc_divisors[idx];
+}
+
+static struct clk_ops shx3_module_clk_ops = {
+	.recalc		= module_clk_recalc,
+};
+
+static void bus_clk_recalc(struct clk *clk)
+{
+	int idx = ((ctrl_inl(FRQCR) >> BFC_POS) & BFC_MSK);
+	clk->rate = clk->parent->rate / bfc_divisors[idx];
+}
+
+static struct clk_ops shx3_bus_clk_ops = {
+	.recalc		= bus_clk_recalc,
+};
+
+static void cpu_clk_recalc(struct clk *clk)
+{
+	int idx = ((ctrl_inl(FRQCR) >> IFC_POS) & IFC_MSK);
+	clk->rate = clk->parent->rate / ifc_divisors[idx];
+}
+
+static struct clk_ops shx3_cpu_clk_ops = {
+	.recalc		= cpu_clk_recalc,
+};
+
+static struct clk_ops *shx3_clk_ops[] = {
+	&shx3_master_clk_ops,
+	&shx3_module_clk_ops,
+	&shx3_bus_clk_ops,
+	&shx3_cpu_clk_ops,
+};
+
+void __init arch_init_clk_ops(struct clk_ops **ops, int idx)
+{
+	if (idx < ARRAY_SIZE(shx3_clk_ops))
+		*ops = shx3_clk_ops[idx];
+}
+
+static void shyway_clk_recalc(struct clk *clk)
+{
+	int idx = ((ctrl_inl(FRQCR) >> CFC_POS) & CFC_MSK);
+	clk->rate = clk->parent->rate / cfc_divisors[idx];
+}
+
+static struct clk_ops shx3_shyway_clk_ops = {
+	.recalc		= shyway_clk_recalc,
+};
+
+static struct clk shx3_shyway_clk = {
+	.name		= "shyway_clk",
+	.flags		= CLK_ALWAYS_ENABLED,
+	.ops		= &shx3_shyway_clk_ops,
+};
+
+/*
+ * Additional SHx3-specific on-chip clocks that aren't already part of the
+ * clock framework
+ */
+static struct clk *shx3_onchip_clocks[] = {
+	&shx3_shyway_clk,
+};
+
+static int __init shx3_clk_init(void)
+{
+	struct clk *clk = clk_get(NULL, "master_clk");
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(shx3_onchip_clocks); i++) {
+		struct clk *clkp = shx3_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(shx3_clk_init);
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
index 1143fbf65fa..a3e159ef6df 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
@@ -1,7 +1,7 @@
 /*
  * SH7722 Setup
  *
- *  Copyright (C) 2006  Paul Mundt
+ *  Copyright (C) 2006 - 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
@@ -10,6 +10,8 @@
 #include <linux/platform_device.h>
 #include <linux/init.h>
 #include <linux/serial.h>
+#include <linux/mm.h>
+#include <asm/mmzone.h>
 #include <asm/sci.h>
 
 static struct plat_sci_port sci_platform_data[] = {
@@ -42,7 +44,7 @@ static int __init sh7722_devices_setup(void)
 }
 __initcall(sh7722_devices_setup);
 
-static struct ipr_data sh7722_ipr_map[] = {
+static struct ipr_data ipr_irq_table[] = {
 	/* IRQ, IPR-idx, shift, prio */
 	{ 16, 0, 12, 2 }, /* TMU0 */
 	{ 17, 0,  8, 2 }, /* TMU1 */
@@ -67,14 +69,25 @@ static unsigned long ipr_offsets[] = {
 	0xa408002c, /* 11: IPRL */
 };
 
-unsigned int map_ipridx_to_addr(int idx)
+static struct ipr_desc ipr_irq_desc = {
+	.ipr_offsets	= ipr_offsets,
+	.nr_offsets	= ARRAY_SIZE(ipr_offsets),
+
+	.ipr_data	= ipr_irq_table,
+	.nr_irqs	= ARRAY_SIZE(ipr_irq_table),
+
+	.chip = {
+		.name	= "IPR-sh7722",
+	},
+};
+
+void __init init_IRQ_ipr(void)
 {
-	if (unlikely(idx >= ARRAY_SIZE(ipr_offsets)))
-		return 0;
-	return ipr_offsets[idx];
+	register_ipr_controller(&ipr_irq_desc);
 }
 
-void __init init_IRQ_ipr(void)
+void __init plat_mem_setup(void)
 {
-	make_ipr_irq(sh7722_ipr_map, ARRAY_SIZE(sh7722_ipr_map));
+	/* Register the URAM space as Node 1 */
+	setup_bootmem_node(1, 0x055f0000, 0x05610000);
 }
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
index 9aeaa2ddaa2..b57c760bffd 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
@@ -102,7 +102,20 @@ static struct intc2_data intc2_irq_table[] = {
 	{ 68, 0x14,  8, 0, 18, 2 },	/* PCIC4 */
 };
 
+static struct intc2_desc intc2_irq_desc __read_mostly = {
+	.prio_base	= 0xffd40000,
+	.msk_base	= 0xffd40038,
+	.mskclr_base	= 0xffd4003c,
+
+	.intc2_data	= intc2_irq_table,
+	.nr_irqs	= ARRAY_SIZE(intc2_irq_table),
+
+	.chip = {
+		.name	= "INTC2-sh7780",
+	},
+};
+
 void __init init_IRQ_intc2(void)
 {
-	make_intc2_irq(intc2_irq_table, ARRAY_SIZE(intc2_irq_table));
+	register_intc2_controller(&intc2_irq_desc);
 }
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
index 07b0de82cfe..ce10ec5d691 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
@@ -97,7 +97,21 @@ static struct intc2_data intc2_irq_table[] = {
 	{ 60, 12, 16, 0, 7, 3 },	/* SCIF5 ERI, RXI, BRI, TXI */
 };
 
+static struct intc2_desc intc2_irq_desc __read_mostly = {
+	.prio_base	= 0xffd40000,
+	.msk_base	= 0xffd40038,
+	.mskclr_base	= 0xffd4003c,
+
+	.intc2_data	= intc2_irq_table,
+	.nr_irqs	= ARRAY_SIZE(intc2_irq_table),
+
+	.chip = {
+		.name	= "INTC2-sh7785",
+	},
+};
+
 void __init init_IRQ_intc2(void)
 {
-	make_intc2_irq(intc2_irq_table, ARRAY_SIZE(intc2_irq_table));
+	register_intc2_controller(&intc2_irq_desc);
 }
+
diff --git a/arch/sh/kernel/cpu/sh4a/setup-shx3.c b/arch/sh/kernel/cpu/sh4a/setup-shx3.c
new file mode 100644
index 00000000000..70683ea12b8
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh4a/setup-shx3.c
@@ -0,0 +1,85 @@
+/*
+ * SH-X3 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 <linux/io.h>
+#include <asm/sci.h>
+
+static struct plat_sci_port sci_platform_data[] = {
+	{
+		.mapbase	= 0xffc30000,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCIF,
+		.irqs		= { 40, 41, 43, 42 },
+	}, {
+		.mapbase	= 0xffc40000,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCIF,
+		.irqs		= { 44, 45, 47, 46 },
+	}, {
+		.mapbase	= 0xffc50000,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCIF,
+		.irqs		= { 48, 49, 51, 50 },
+	}, {
+		.mapbase	= 0xffc60000,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCIF,
+		.irqs		= { 52, 53, 55, 54 },
+	}, {
+		.flags = 0,
+	}
+};
+
+static struct platform_device sci_device = {
+	.name		= "sh-sci",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= sci_platform_data,
+	},
+};
+
+static struct platform_device *shx3_devices[] __initdata = {
+	&sci_device,
+};
+
+static int __init shx3_devices_setup(void)
+{
+	return platform_add_devices(shx3_devices,
+				    ARRAY_SIZE(shx3_devices));
+}
+__initcall(shx3_devices_setup);
+
+static struct intc2_data intc2_irq_table[] = {
+	{ 16, 0, 0, 0, 1, 2 },		/* TMU0 */
+	{ 40, 4, 0, 0x20, 0, 3 },	/* SCIF0 ERI */
+	{ 41, 4, 0, 0x20, 1, 3 },	/* SCIF0 RXI */
+	{ 42, 4, 0, 0x20, 2, 3 },	/* SCIF0 BRI */
+	{ 43, 4, 0, 0x20, 3, 3 },	/* SCIF0 TXI */
+};
+
+static struct intc2_desc intc2_irq_desc __read_mostly = {
+	.prio_base	= 0xfe410000,
+	.msk_base	= 0xfe410820,
+	.mskclr_base	= 0xfe410850,
+
+	.intc2_data	= intc2_irq_table,
+	.nr_irqs	= ARRAY_SIZE(intc2_irq_table),
+
+	.chip = {
+		.name	= "INTC2-SHX3",
+	},
+};
+
+void __init init_IRQ_intc2(void)
+{
+	register_intc2_controller(&intc2_irq_desc);
+}