Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (124 commits)
  sh: allow building for both r2d boards in same binary.
  sh: fix r2d board detection
  sh: Discard .exit.text/.exit.data at runtime.
  sh: Fix up some section alignments in linker script.
  sh: Fix SH-4 DMAC CHCR masking.
  sh: Rip out left-over nommu cond syscall cruft.
  sh: Make kgdb i-cache flushing less inept.
  sh: kgdb section mismatches and tidying.
  sh: cleanup struct irqaction initializers.
  sh: early_printk tidying.
  video: pvr2fb: Add TV (RGB) support to Dreamcast PVR driver.
  sh: Conditionalize gUSA support.
  sh: Follow gUSA preempt changes in __switch_to().
  sh: Tidy up gUSA preempt handling.
  sh: __copy_user() optimizations for small copies.
  sh: clkfwk: Support multi-level clock propagation.
  sh: Fix URAM start address on SH7785.
  sh: Use boot_cpu_data for CPU probe.
  sh: Support extended mode TLB on SH-X3.
  sh: Bump MAX_ACTIVE_REGIONS for SH7785.
  ...

33 files changed, 705 insertions, 270 deletions

diff --git a/include/asm-sh/cacheflush.h b/include/asm-sh/cacheflush.h
index 07f62ec9ff0..aa558da0847 100644
--- a/include/asm-sh/cacheflush.h
+++ b/include/asm-sh/cacheflush.h
@@ -1,16 +1,47 @@
 #ifndef __ASM_SH_CACHEFLUSH_H
 #define __ASM_SH_CACHEFLUSH_H
+
 #ifdef __KERNEL__
 
-#include <linux/mm.h>
+#ifdef CONFIG_CACHE_OFF
+/*
+ * Nothing to do when the cache is disabled, initial flush and explicit
+ * disabling is handled at CPU init time.
+ *
+ * See arch/sh/kernel/cpu/init.c:cache_init().
+ */
+#define p3_cache_init()				do { } while (0)
+#define flush_cache_all()			do { } while (0)
+#define flush_cache_mm(mm)			do { } while (0)
+#define flush_cache_dup_mm(mm)			do { } while (0)
+#define flush_cache_range(vma, start, end)	do { } while (0)
+#define flush_cache_page(vma, vmaddr, pfn)	do { } while (0)
+#define flush_dcache_page(page)			do { } while (0)
+#define flush_icache_range(start, end)		do { } while (0)
+#define flush_icache_page(vma,pg)		do { } while (0)
+#define flush_dcache_mmap_lock(mapping)		do { } while (0)
+#define flush_dcache_mmap_unlock(mapping)	do { } while (0)
+#define flush_cache_sigtramp(vaddr)		do { } while (0)
+#define flush_icache_user_range(vma,pg,adr,len)	do { } while (0)
+#define __flush_wback_region(start, size)	do { (void)(start); } while (0)
+#define __flush_purge_region(start, size)	do { (void)(start); } while (0)
+#define __flush_invalidate_region(start, size)	do { (void)(start); } while (0)
+#else
 #include <asm/cpu/cacheflush.h>
 
+/*
+ * Consistent DMA requires that the __flush_xxx() primitives must be set
+ * for any of the enabled non-coherent caches (most of the UP CPUs),
+ * regardless of PIPT or VIPT cache configurations.
+ */
+
 /* Flush (write-back only) a region (smaller than a page) */
 extern void __flush_wback_region(void *start, int size);
 /* Flush (write-back & invalidate) a region (smaller than a page) */
 extern void __flush_purge_region(void *start, int size);
 /* Flush (invalidate only) a region (smaller than a page) */
 extern void __flush_invalidate_region(void *start, int size);
+#endif
 
 #define flush_cache_vmap(start, end)		flush_cache_all()
 #define flush_cache_vunmap(start, end)		flush_cache_all()
diff --git a/include/asm-sh/cpu-sh3/cache.h b/include/asm-sh/cpu-sh3/cache.h
index ffe08d2813f..255016fc91f 100644
--- a/include/asm-sh/cpu-sh3/cache.h
+++ b/include/asm-sh/cpu-sh3/cache.h
@@ -26,7 +26,9 @@
 #define CCR_CACHE_ENABLE	CCR_CACHE_CE
 #define CCR_CACHE_INVALIDATE	CCR_CACHE_CF
 
-#if defined(CONFIG_CPU_SUBTYPE_SH7705) || defined(CONFIG_CPU_SUBTYPE_SH7710)
+#if defined(CONFIG_CPU_SUBTYPE_SH7705) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7710) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7720)
 #define CCR3	0xa40000b4
 #define CCR_CACHE_16KB  0x00010000
 #define CCR_CACHE_32KB	0x00020000
diff --git a/include/asm-sh/cpu-sh3/dma.h b/include/asm-sh/cpu-sh3/dma.h
index 3a66dc45802..54bfece328c 100644
--- a/include/asm-sh/cpu-sh3/dma.h
+++ b/include/asm-sh/cpu-sh3/dma.h
@@ -1,7 +1,20 @@
 #ifndef __ASM_CPU_SH3_DMA_H
 #define __ASM_CPU_SH3_DMA_H
 
+
+#if defined(CONFIG_CPU_SUBTYPE_SH7720) || defined(CONFIG_CPU_SUBTYPE_SH7709)
+#define SH_DMAC_BASE	0xa4010020
+
+#define DMTE0_IRQ	48
+#define DMTE1_IRQ	49
+#define DMTE2_IRQ	50
+#define DMTE3_IRQ	51
+#define DMTE4_IRQ	76
+#define DMTE5_IRQ	77
+
+#else
 #define SH_DMAC_BASE	0xa4000020
+#endif
 
 /* Definitions for the SuperH DMAC */
 #define TM_BURST	0x00000020
diff --git a/include/asm-sh/cpu-sh3/gpio.h b/include/asm-sh/cpu-sh3/gpio.h
new file mode 100644
index 00000000000..48770c1c7bd
--- /dev/null
+++ b/include/asm-sh/cpu-sh3/gpio.h
@@ -0,0 +1,66 @@
+/*
+ *  include/asm-sh/cpu-sh3/gpio.h
+ *
+ *  Copyright (C) 2007  Markus Brunner, Mark Jonas
+ *
+ *  Addresses for the Pin Function Controller
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#ifndef _CPU_SH3_GPIO_H
+#define _CPU_SH3_GPIO_H
+
+#if defined(CONFIG_CPU_SUBTYPE_SH7720)
+
+/* Control registers */
+#define PORT_PACR	0xA4050100UL
+#define PORT_PBCR	0xA4050102UL
+#define PORT_PCCR	0xA4050104UL
+#define PORT_PDCR	0xA4050106UL
+#define PORT_PECR	0xA4050108UL
+#define PORT_PFCR	0xA405010AUL
+#define PORT_PGCR	0xA405010CUL
+#define PORT_PHCR	0xA405010EUL
+#define PORT_PJCR	0xA4050110UL
+#define PORT_PKCR	0xA4050112UL
+#define PORT_PLCR	0xA4050114UL
+#define PORT_PMCR	0xA4050116UL
+#define PORT_PPCR	0xA4050118UL
+#define PORT_PRCR	0xA405011AUL
+#define PORT_PSCR	0xA405011CUL
+#define PORT_PTCR	0xA405011EUL
+#define PORT_PUCR	0xA4050120UL
+#define PORT_PVCR	0xA4050122UL
+
+/* Data registers */
+#define PORT_PADR	0xA4050140UL
+/* Address of PORT_PBDR is wrong in the datasheet, see errata 2005-09-21 */
+#define PORT_PBDR	0xA4050142UL
+#define PORT_PCDR	0xA4050144UL
+#define PORT_PDDR	0xA4050146UL
+#define PORT_PEDR	0xA4050148UL
+#define PORT_PFDR	0xA405014AUL
+#define PORT_PGDR	0xA405014CUL
+#define PORT_PHDR	0xA405014EUL
+#define PORT_PJDR	0xA4050150UL
+#define PORT_PKDR	0xA4050152UL
+#define PORT_PLDR	0xA4050154UL
+#define PORT_PMDR	0xA4050156UL
+#define PORT_PPDR	0xA4050158UL
+#define PORT_PRDR	0xA405015AUL
+#define PORT_PSDR	0xA405015CUL
+#define PORT_PTDR	0xA405015EUL
+#define PORT_PUDR	0xA4050160UL
+#define PORT_PVDR	0xA4050162UL
+
+/* Pin Select Registers */
+#define PORT_PSELA	0xA4050124UL
+#define PORT_PSELB	0xA4050126UL
+#define PORT_PSELC	0xA4050128UL
+#define PORT_PSELD	0xA405012AUL
+
+#endif
+
+#endif
diff --git a/include/asm-sh/cpu-sh3/mmu_context.h b/include/asm-sh/cpu-sh3/mmu_context.h
index b20786d42d0..16c2d63b7e3 100644
--- a/include/asm-sh/cpu-sh3/mmu_context.h
+++ b/include/asm-sh/cpu-sh3/mmu_context.h
@@ -27,12 +27,13 @@
 #define TRA	0xffffffd0
 #define EXPEVT	0xffffffd4
 
-#if defined(CONFIG_CPU_SUBTYPE_SH7707) || \
-    defined(CONFIG_CPU_SUBTYPE_SH7709) || \
+#if defined(CONFIG_CPU_SUBTYPE_SH7705) || \
     defined(CONFIG_CPU_SUBTYPE_SH7706) || \
-    defined(CONFIG_CPU_SUBTYPE_SH7705) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7707) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7709) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7710) || \
     defined(CONFIG_CPU_SUBTYPE_SH7712) || \
-    defined(CONFIG_CPU_SUBTYPE_SH7710)
+    defined(CONFIG_CPU_SUBTYPE_SH7720)
 #define INTEVT	0xa4000000	/* INTEVTE2(0xa4000000) */
 #else
 #define INTEVT	0xffffffd8
diff --git a/include/asm-sh/cpu-sh3/timer.h b/include/asm-sh/cpu-sh3/timer.h
index b6c2020a2ad..3880ce047fe 100644
--- a/include/asm-sh/cpu-sh3/timer.h
+++ b/include/asm-sh/cpu-sh3/timer.h
@@ -23,11 +23,13 @@
  * ---------------------------------------------------------------------------
  */
 
-#if !defined(CONFIG_CPU_SUBTYPE_SH7727)
+#if  !defined(CONFIG_CPU_SUBTYPE_SH7720) && \
+     !defined(CONFIG_CPU_SUBTYPE_SH7727)
 #define TMU_TOCR	0xfffffe90	/* Byte access */
 #endif
 
-#if defined(CONFIG_CPU_SUBTYPE_SH7710)
+#if defined(CONFIG_CPU_SUBTYPE_SH7710) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7720)
 #define TMU_012_TSTR	0xa412fe92	/* Byte access */
 
 #define TMU0_TCOR	0xa412fe94	/* Long access */
@@ -56,7 +58,8 @@
 #define TMU2_TCOR	0xfffffeac	/* Long access */
 #define TMU2_TCNT	0xfffffeb0	/* Long access */
 #define TMU2_TCR	0xfffffeb4	/* Word access */
-#if !defined(CONFIG_CPU_SUBTYPE_SH7727)
+#if !defined(CONFIG_CPU_SUBTYPE_SH7720) && \
+    !defined(CONFIG_CPU_SUBTYPE_SH7727)
 #define TMU2_TCPR2	0xfffffeb8	/* Long access */
 #endif
 #endif
diff --git a/include/asm-sh/cpu-sh3/ubc.h b/include/asm-sh/cpu-sh3/ubc.h
index 9d308cbe9b2..18467c57453 100644
--- a/include/asm-sh/cpu-sh3/ubc.h
+++ b/include/asm-sh/cpu-sh3/ubc.h
@@ -11,7 +11,8 @@
 #ifndef __ASM_CPU_SH3_UBC_H
 #define __ASM_CPU_SH3_UBC_H
 
-#if defined(CONFIG_CPU_SUBTYPE_SH7710)
+#if defined(CONFIG_CPU_SUBTYPE_SH7710) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7720)
 #define UBC_BARA		0xa4ffffb0
 #define UBC_BAMRA		0xa4ffffb4
 #define UBC_BBRA		0xa4ffffb8
diff --git a/include/asm-sh/cpu-sh4/dma.h b/include/asm-sh/cpu-sh4/dma.h
index 36e26a96476..aaf71b018c2 100644
--- a/include/asm-sh/cpu-sh4/dma.h
+++ b/include/asm-sh/cpu-sh4/dma.h
@@ -31,7 +31,7 @@
 #define TS_32		0x00000030
 #define TS_64		0x00000000
 
-#define CHCR_TS_MASK	0x30
+#define CHCR_TS_MASK	0x70
 #define CHCR_TS_SHIFT	4
 
 #define DMAOR_COD	0x00000008
diff --git a/include/asm-sh/cpu-sh4/mmu_context.h b/include/asm-sh/cpu-sh4/mmu_context.h
index ff4c5fbbfaf..979acddc0f8 100644
--- a/include/asm-sh/cpu-sh4/mmu_context.h
+++ b/include/asm-sh/cpu-sh4/mmu_context.h
@@ -22,13 +22,21 @@
 #define MMU_UTLB_ADDRESS_ARRAY	0xF6000000
 #define MMU_PAGE_ASSOC_BIT	0x80
 
-#define MMU_NTLB_ENTRIES	64	/* for 7750 */
+#ifdef CONFIG_X2TLB
+#define MMUCR_ME		(1 << 7)
+#else
+#define MMUCR_ME		(0)
+#endif
+
 #ifdef CONFIG_SH_STORE_QUEUES
-#define MMU_CONTROL_INIT	0x05	/* SQMD=0, SV=0, TI=1, AT=1 */
+#define MMUCR_SQMD		(1 << 9)
 #else
-#define MMU_CONTROL_INIT	0x205	/* SQMD=1, SV=0, TI=1, AT=1 */
+#define MMUCR_SQMD		(0)
 #endif
 
+#define MMU_NTLB_ENTRIES	64
+#define MMU_CONTROL_INIT	(0x05|MMUCR_SQMD|MMUCR_ME)
+
 #define MMU_ITLB_DATA_ARRAY	0xF3000000
 #define MMU_UTLB_DATA_ARRAY	0xF7000000
 
diff --git a/include/asm-sh/dma.h b/include/asm-sh/dma.h
index 4c75b70b641..a65b02fd186 100644
--- a/include/asm-sh/dma.h
+++ b/include/asm-sh/dma.h
@@ -152,14 +152,9 @@ extern struct dma_info *get_dma_info_by_name(const char *dmac_name);
 extern int dma_extend(unsigned int chan, unsigned long op, void *param);
 extern int register_chan_caps(const char *dmac, struct dma_chan_caps *capslist);
 
-#ifdef CONFIG_SYSFS
 /* arch/sh/drivers/dma/dma-sysfs.c */
 extern int dma_create_sysfs_files(struct dma_channel *, struct dma_info *);
 extern void dma_remove_sysfs_files(struct dma_channel *, struct dma_info *);
-#else
-#define dma_create_sysfs_file(channel, info)		do { } while (0)
-#define dma_remove_sysfs_file(channel, info)		do { } while (0)
-#endif
 
 #ifdef CONFIG_PCI
 extern int isa_dma_bridge_buggy;
diff --git a/include/asm-sh/dreamcast/maple.h b/include/asm-sh/dreamcast/maple.h
new file mode 100644
index 00000000000..51f6a87f1f1
--- /dev/null
+++ b/include/asm-sh/dreamcast/maple.h
@@ -0,0 +1,37 @@
+#ifndef __ASM_MAPLE_H
+#define __ASM_MAPLE_H
+
+#define MAPLE_PORTS 4
+#define MAPLE_PNP_INTERVAL HZ
+#define MAPLE_MAXPACKETS 8
+#define MAPLE_DMA_ORDER 14
+#define MAPLE_DMA_SIZE (1 << MAPLE_DMA_ORDER)
+#define MAPLE_DMA_PAGES ((MAPLE_DMA_ORDER > PAGE_SHIFT) ? \
+			  MAPLE_DMA_ORDER - PAGE_SHIFT : 0)
+
+/* Maple Bus registers */
+#define MAPLE_BASE     0xa05f6c00
+#define MAPLE_DMAADDR  (MAPLE_BASE+0x04)
+#define MAPLE_TRIGTYPE (MAPLE_BASE+0x10)
+#define MAPLE_ENABLE   (MAPLE_BASE+0x14)
+#define MAPLE_STATE    (MAPLE_BASE+0x18)
+#define MAPLE_SPEED    (MAPLE_BASE+0x80)
+#define MAPLE_RESET    (MAPLE_BASE+0x8c)
+
+#define MAPLE_MAGIC    0x6155404f
+#define MAPLE_2MBPS    0
+#define MAPLE_TIMEOUT(n) ((n)<<15)
+
+/* Function codes */
+#define MAPLE_FUNC_CONTROLLER 0x001
+#define MAPLE_FUNC_MEMCARD    0x002
+#define MAPLE_FUNC_LCD        0x004
+#define MAPLE_FUNC_CLOCK      0x008
+#define MAPLE_FUNC_MICROPHONE 0x010
+#define MAPLE_FUNC_ARGUN      0x020
+#define MAPLE_FUNC_KEYBOARD   0x040
+#define MAPLE_FUNC_LIGHTGUN   0x080
+#define MAPLE_FUNC_PURUPURU   0x100
+#define MAPLE_FUNC_MOUSE      0x200
+
+#endif /* __ASM_MAPLE_H */
diff --git a/include/asm-sh/gpio.h b/include/asm-sh/gpio.h
new file mode 100644
index 00000000000..9bb27e0f11a
--- /dev/null
+++ b/include/asm-sh/gpio.h
@@ -0,0 +1,19 @@
+/*
+ *  include/asm-sh/gpio.h
+ *
+ *  Copyright (C) 2007 Markus Brunner, Mark Jonas
+ *
+ *  Addresses for the Pin Function Controller
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#ifndef __ASM_SH_GPIO_H
+#define __ASM_SH_GPIO_H
+
+#if defined(CONFIG_CPU_SH3)
+#include <asm/cpu/gpio.h>
+#endif
+
+#endif /* __ASM_SH_GPIO_H */
diff --git a/include/asm-sh/hd64461.h b/include/asm-sh/hd64461.h
index 4dd8592ca01..342ca55a266 100644
--- a/include/asm-sh/hd64461.h
+++ b/include/asm-sh/hd64461.h
@@ -226,6 +226,7 @@
 #define	HD64461_NIMR		(CONFIG_HD64461_IOBASE + 0x5002)
 
 #define	HD64461_IRQBASE		OFFCHIP_IRQ_BASE
+#define	OFFCHIP_IRQ_BASE	64
 #define	HD64461_IRQ_NUM		16
 
 #define	HD64461_IRQ_UART	(HD64461_IRQBASE+5)
diff --git a/include/asm-sh/heartbeat.h b/include/asm-sh/heartbeat.h
new file mode 100644
index 00000000000..724a43ed245
--- /dev/null
+++ b/include/asm-sh/heartbeat.h
@@ -0,0 +1,17 @@
+#ifndef __ASM_SH_HEARTBEAT_H
+#define __ASM_SH_HEARTBEAT_H
+
+#include <linux/timer.h>
+
+#define HEARTBEAT_INVERTED	(1 << 0)
+
+struct heartbeat_data {
+	void __iomem *base;
+	unsigned char *bit_pos;
+	unsigned int nr_bits;
+	struct timer_list timer;
+	unsigned int regsize;
+	unsigned long flags;
+};
+
+#endif /* __ASM_SH_HEARTBEAT_H */
diff --git a/include/asm-sh/hw_irq.h b/include/asm-sh/hw_irq.h
index 20d42959f52..cb0b6c9f702 100644
--- a/include/asm-sh/hw_irq.h
+++ b/include/asm-sh/hw_irq.h
@@ -6,24 +6,6 @@
 
 extern atomic_t irq_err_count;
 
-struct intc2_data {
-	unsigned short irq;
-	unsigned char ipr_offset, ipr_shift;
-	unsigned char msk_offset, msk_shift;
-	unsigned char priority;
-};
-
-struct intc2_desc {
-	unsigned long prio_base;
-	unsigned long msk_base;
-	unsigned long mskclr_base;
-	struct intc2_data *intc2_data;
-	unsigned int nr_irqs;
-	struct irq_chip chip;
-};
-
-void register_intc2_controller(struct intc2_desc *);
-
 struct ipr_data {
 	unsigned char irq;
 	unsigned char ipr_idx;		/* Index for the IPR registered */
@@ -41,11 +23,6 @@ struct ipr_desc {
 
 void register_ipr_controller(struct ipr_desc *);
 
-/*
- * Enable individual interrupt mode for external IPR IRQs.
- */
-void __init ipr_irq_enable_irlm(void);
-
 typedef unsigned char intc_enum;
 
 struct intc_vect {
@@ -54,6 +31,7 @@ struct intc_vect {
 };
 
 #define INTC_VECT(enum_id, vect) { enum_id, vect }
+#define INTC_IRQ(enum_id, irq) INTC_VECT(enum_id, irq2evt(irq))
 
 struct intc_prio {
 	intc_enum enum_id;
@@ -64,19 +42,25 @@ struct intc_prio {
 
 struct intc_group {
 	intc_enum enum_id;
-	intc_enum *enum_ids;
+	intc_enum enum_ids[32];
 };
 
-#define INTC_GROUP(enum_id, ids...) { enum_id, (intc_enum []) { ids, 0 } }
+#define INTC_GROUP(enum_id, ids...) { enum_id, { ids } }
 
 struct intc_mask_reg {
 	unsigned long set_reg, clr_reg, reg_width;
 	intc_enum enum_ids[32];
+#ifdef CONFIG_SMP
+	unsigned long smp;
+#endif
 };
 
 struct intc_prio_reg {
-	unsigned long reg, reg_width, field_width;
+	unsigned long set_reg, clr_reg, reg_width, field_width;
 	intc_enum enum_ids[16];
+#ifdef CONFIG_SMP
+	unsigned long smp;
+#endif
 };
 
 struct intc_sense_reg {
@@ -84,6 +68,12 @@ struct intc_sense_reg {
 	intc_enum enum_ids[16];
 };
 
+#ifdef CONFIG_SMP
+#define INTC_SMP(stride, nr) .smp = (stride) | ((nr) << 8)
+#else
+#define INTC_SMP(stride, nr)
+#endif
+
 struct intc_desc {
 	struct intc_vect *vectors;
 	unsigned int nr_vectors;
@@ -97,25 +87,28 @@ struct intc_desc {
 	unsigned int nr_prio_regs;
 	struct intc_sense_reg *sense_regs;
 	unsigned int nr_sense_regs;
-	struct irq_chip chip;
+	char *name;
 };
 
 #define _INTC_ARRAY(a) a, sizeof(a)/sizeof(*a)
 #define DECLARE_INTC_DESC(symbol, chipname, vectors, groups,		\
 	priorities, mask_regs, prio_regs, sense_regs)			\
-struct intc_desc symbol = {						\
+struct intc_desc symbol __initdata = {					\
 	_INTC_ARRAY(vectors), _INTC_ARRAY(groups),			\
 	_INTC_ARRAY(priorities),					\
 	_INTC_ARRAY(mask_regs), _INTC_ARRAY(prio_regs),			\
 	_INTC_ARRAY(sense_regs),					\
-	.chip.name = chipname,						\
+	chipname,							\
 }
 
 void __init register_intc_controller(struct intc_desc *desc);
+int intc_set_priority(unsigned int irq, unsigned int prio);
 
 void __init plat_irq_setup(void);
 
-enum { IRQ_MODE_IRQ, IRQ_MODE_IRL7654, IRQ_MODE_IRL3210 };
+enum { IRQ_MODE_IRQ, IRQ_MODE_IRQ7654, IRQ_MODE_IRQ3210,
+       IRQ_MODE_IRL7654_MASK, IRQ_MODE_IRL3210_MASK,
+       IRQ_MODE_IRL7654, IRQ_MODE_IRL3210 };
 void __init plat_irq_setup_pins(int mode);
 
 #endif /* __ASM_SH_HW_IRQ_H */
diff --git a/include/asm-sh/ilsel.h b/include/asm-sh/ilsel.h
new file mode 100644
index 00000000000..e3d304b280f
--- /dev/null
+++ b/include/asm-sh/ilsel.h
@@ -0,0 +1,45 @@
+#ifndef __ASM_SH_ILSEL_H
+#define __ASM_SH_ILSEL_H
+
+typedef enum {
+	ILSEL_NONE,
+	ILSEL_LAN,
+	ILSEL_USBH_I,
+	ILSEL_USBH_S,
+	ILSEL_USBH_V,
+	ILSEL_RTC,
+	ILSEL_USBP_I,
+	ILSEL_USBP_S,
+	ILSEL_USBP_V,
+	ILSEL_KEY,
+
+	/*
+	 * ILSEL Aliases - corner cases for interleaved level tables.
+	 *
+	 * Someone thought this was a good idea and less hassle than
+	 * demuxing a shared vector, really.
+	 */
+
+	/* ILSEL0 and 2 */
+	ILSEL_FPGA0,
+	ILSEL_FPGA1,
+	ILSEL_EX1,
+	ILSEL_EX2,
+	ILSEL_EX3,
+	ILSEL_EX4,
+
+	/* ILSEL1 and 3 */
+	ILSEL_FPGA2 = ILSEL_FPGA0,
+	ILSEL_FPGA3 = ILSEL_FPGA1,
+	ILSEL_EX5 = ILSEL_EX1,
+	ILSEL_EX6 = ILSEL_EX2,
+	ILSEL_EX7 = ILSEL_EX3,
+	ILSEL_EX8 = ILSEL_EX4,
+} ilsel_source_t;
+
+/* arch/sh/boards/renesas/x3proto/ilsel.c */
+int ilsel_enable(ilsel_source_t set);
+int ilsel_enable_fixed(ilsel_source_t set, unsigned int level);
+void ilsel_disable(unsigned int irq);
+
+#endif /* __ASM_SH_ILSEL_H */
diff --git a/include/asm-sh/io.h b/include/asm-sh/io.h
index e6a1877dcb2..1a336cdc75f 100644
--- a/include/asm-sh/io.h
+++ b/include/asm-sh/io.h
@@ -135,6 +135,32 @@ void __raw_readsl(unsigned long addr, void *data, int longlen);
 # define writel(v,a)	({ __raw_writel((v),(a)); mb(); })
 #endif
 
+#define __BUILD_MEMORY_STRING(bwlq, type)				\
+									\
+static inline void writes##bwlq(volatile void __iomem *mem,		\
+				const void *addr, unsigned int count)	\
+{									\
+	const volatile type *__addr = addr;				\
+									\
+	while (count--) {						\
+		__raw_write##bwlq(*__addr, mem);			\
+		__addr++;						\
+	}								\
+}									\
+									\
+static inline void reads##bwlq(volatile void __iomem *mem, void *addr,	\
+			       unsigned int count)			\
+{									\
+	volatile type *__addr = addr;					\
+									\
+	while (count--) {						\
+		*__addr = __raw_read##bwlq(mem);			\
+		__addr++;						\
+	}								\
+}
+
+__BUILD_MEMORY_STRING(b, u8)
+__BUILD_MEMORY_STRING(w, u16)
 #define writesl __raw_writesl
 #define readsl  __raw_readsl
 
diff --git a/include/asm-sh/kgdb.h b/include/asm-sh/kgdb.h
index 74bd0953e5c..4bc8cb187d1 100644
--- a/include/asm-sh/kgdb.h
+++ b/include/asm-sh/kgdb.h
@@ -17,9 +17,6 @@
 #define __KGDB_H
 
 #include <asm/ptrace.h>
-#include <asm/cacheflush.h>
-
-struct console;
 
 /* Same as pt_regs but has vbr in place of syscall_nr */
 struct kgdb_regs {
@@ -35,10 +32,7 @@ struct kgdb_regs {
 
 /* State info */
 extern char kgdb_in_gdb_mode;
-extern int kgdb_done_init;
-extern int kgdb_enabled;
 extern int kgdb_nofault;	/* Ignore bus errors (in gdb mem access) */
-extern int kgdb_halt;		/* Execute initial breakpoint at startup */
 extern char in_nmi;		/* Debounce flag to prevent NMI reentry*/
 
 /* SCI */
@@ -59,6 +53,7 @@ extern kgdb_debug_hook_t  *kgdb_debug_hook;
 extern kgdb_bus_error_hook_t *kgdb_bus_err_hook;
 
 /* Console */
+struct console;
 void kgdb_console_write(struct console *co, const char *s, unsigned count);
 extern int kgdb_console_setup(struct console *, char *);
 
@@ -69,22 +64,7 @@ extern void    longjmp(jmp_buf __jmpb, int __retval);
 extern int     setjmp(jmp_buf __jmpb);
 
 /* Forced breakpoint */
-#define breakpoint()					\
-do {							\
-	if (kgdb_enabled)				\
-		__asm__ __volatile__("trapa   #0x3c");	\
-} while (0)
-
-/* KGDB should be able to flush all kernel text space */
-#if defined(CONFIG_CPU_SH4)
-#define kgdb_flush_icache_range(start, end) \
-{									\
-	__flush_purge_region((void*)(start), (int)(end) - (int)(start));\
-	flush_icache_range((start), (end));				\
-}
-#else
-#define kgdb_flush_icache_range(start, end)	do { } while (0)
-#endif
+#define breakpoint()	__asm__ __volatile__("trapa   #0x3c")
 
 /* Taken from sh-stub.c of GDB 4.18 */
 static const char hexchars[] = "0123456789abcdef";
diff --git a/include/asm-sh/magicpanelr2.h b/include/asm-sh/magicpanelr2.h
new file mode 100644
index 00000000000..c644a77ee35
--- /dev/null
+++ b/include/asm-sh/magicpanelr2.h
@@ -0,0 +1,67 @@
+/*
+ *  include/asm-sh/magicpanelr2.h
+ *
+ *  Copyright (C) 2007  Markus Brunner, Mark Jonas
+ *
+ *  I/O addresses and bitmasks for Magic Panel Release 2 board
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#ifndef __ASM_SH_MAGICPANELR2_H
+#define __ASM_SH_MAGICPANELR2_H
+
+#include <asm/gpio.h>
+
+#define __IO_PREFIX mpr2
+#include <asm/io_generic.h>
+
+
+#define SETBITS_OUTB(mask, reg)   ctrl_outb(ctrl_inb(reg) | mask, reg)
+#define SETBITS_OUTW(mask, reg)   ctrl_outw(ctrl_inw(reg) | mask, reg)
+#define SETBITS_OUTL(mask, reg)   ctrl_outl(ctrl_inl(reg) | mask, reg)
+#define CLRBITS_OUTB(mask, reg)   ctrl_outb(ctrl_inb(reg) & ~mask, reg)
+#define CLRBITS_OUTW(mask, reg)   ctrl_outw(ctrl_inw(reg) & ~mask, reg)
+#define CLRBITS_OUTL(mask, reg)   ctrl_outl(ctrl_inl(reg) & ~mask, reg)
+
+
+#define PA_LED          PORT_PADR      /* LED */
+
+
+/* BSC */
+#define CMNCR           0xA4FD0000UL
+#define CS0BCR          0xA4FD0004UL
+#define CS2BCR          0xA4FD0008UL
+#define CS3BCR          0xA4FD000CUL
+#define CS4BCR          0xA4FD0010UL
+#define CS5ABCR         0xA4FD0014UL
+#define CS5BBCR         0xA4FD0018UL
+#define CS6ABCR         0xA4FD001CUL
+#define CS6BBCR         0xA4FD0020UL
+#define CS0WCR          0xA4FD0024UL
+#define CS2WCR          0xA4FD0028UL
+#define CS3WCR          0xA4FD002CUL
+#define CS4WCR          0xA4FD0030UL
+#define CS5AWCR         0xA4FD0034UL
+#define CS5BWCR         0xA4FD0038UL
+#define CS6AWCR         0xA4FD003CUL
+#define CS6BWCR         0xA4FD0040UL
+
+
+/* usb */
+
+#define PORT_UTRCTL		0xA405012CUL
+#define PORT_UCLKCR_W		0xA40A0008UL
+
+#define INTC_ICR0		0xA414FEE0UL
+#define INTC_ICR1		0xA4140010UL
+#define INTC_ICR2		0xA4140012UL
+
+/* MTD */
+
+#define MPR2_MTD_BOOTLOADER_SIZE	0x00060000UL
+#define MPR2_MTD_KERNEL_SIZE		0x00200000UL
+
+#endif  /* __ASM_SH_MAGICPANELR2_H */
diff --git a/include/asm-sh/page.h b/include/asm-sh/page.h
index 6bc9bba1010..cb3d46c59ea 100644
--- a/include/asm-sh/page.h
+++ b/include/asm-sh/page.h
@@ -70,14 +70,14 @@ extern void clear_page_nommu(void *to);
 extern void copy_page_nommu(void *to, void *from);
 #endif
 
-#if defined(CONFIG_MMU) && (defined(CONFIG_CPU_SH4) || \
-	defined(CONFIG_SH7705_CACHE_32KB))
+#if !defined(CONFIG_CACHE_OFF) && defined(CONFIG_MMU) && \
+	(defined(CONFIG_CPU_SH4) || defined(CONFIG_SH7705_CACHE_32KB))
 struct page;
 extern void clear_user_page(void *to, unsigned long address, struct page *pg);
 extern void copy_user_page(void *to, void *from, unsigned long address, struct page *pg);
 extern void __clear_user_page(void *to, void *orig_to);
 extern void __copy_user_page(void *to, void *from, void *orig_to);
-#elif defined(CONFIG_CPU_SH2) || defined(CONFIG_CPU_SH3) || !defined(CONFIG_MMU)
+#else
 #define clear_user_page(page, vaddr, pg)	clear_page(page)
 #define copy_user_page(to, from, vaddr, pg)	copy_page(to, from)
 #endif
@@ -88,6 +88,7 @@ extern void __copy_user_page(void *to, void *from, void *orig_to);
 #ifdef CONFIG_X2TLB
 typedef struct { unsigned long pte_low, pte_high; } pte_t;
 typedef struct { unsigned long long pgprot; } pgprot_t;
+typedef struct { unsigned long long pgd; } pgd_t;
 #define pte_val(x) \
 	((x).pte_low | ((unsigned long long)(x).pte_high << 32))
 #define __pte(x) \
@@ -95,12 +96,11 @@ typedef struct { unsigned long long pgprot; } pgprot_t;
 #else
 typedef struct { unsigned long pte_low; } pte_t;
 typedef struct { unsigned long pgprot; } pgprot_t;
+typedef struct { unsigned long pgd; } pgd_t;
 #define pte_val(x)	((x).pte_low)
 #define __pte(x) ((pte_t) { (x) } )
 #endif
 
-typedef struct { unsigned long pgd; } pgd_t;
-
 #define pgd_val(x)	((x).pgd)
 #define pgprot_val(x)	((x).pgprot)
 
diff --git a/include/asm-sh/pgtable.h b/include/asm-sh/pgtable.h
index e3fae12c0e4..cf0dd2b648c 100644
--- a/include/asm-sh/pgtable.h
+++ b/include/asm-sh/pgtable.h
@@ -42,13 +42,12 @@ extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];
 
 /* PGD bits */
 #define PGDIR_SHIFT	(PTE_SHIFT + PTE_BITS)
-#define PGDIR_BITS	(32 - PGDIR_SHIFT)
 #define PGDIR_SIZE	(1UL << PGDIR_SHIFT)
 #define PGDIR_MASK	(~(PGDIR_SIZE-1))
 
 /* Entries per level */
 #define PTRS_PER_PTE	(PAGE_SIZE / (1 << PTE_MAGNITUDE))
-#define PTRS_PER_PGD	(PAGE_SIZE / 4)
+#define PTRS_PER_PGD	(PAGE_SIZE / sizeof(pgd_t))
 
 #define USER_PTRS_PER_PGD	(TASK_SIZE/PGDIR_SIZE)
 #define FIRST_USER_ADDRESS	0
@@ -100,17 +99,18 @@ extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];
 #define _PAGE_HW_SHARED	0x002		/* SH-bit  : shared among processes */
 #define _PAGE_DIRTY	0x004		/* D-bit   : page changed */
 #define _PAGE_CACHABLE	0x008		/* C-bit   : cachable */
-#ifndef CONFIG_X2TLB
-# define _PAGE_SZ0	0x010		/* SZ0-bit : Size of page */
-# define _PAGE_RW	0x020		/* PR0-bit : write access allowed */
-# define _PAGE_USER	0x040		/* PR1-bit : user space access allowed*/
-# define _PAGE_SZ1	0x080		/* SZ1-bit : Size of page (on SH-4) */
-#endif
+#define _PAGE_SZ0	0x010		/* SZ0-bit : Size of page */
+#define _PAGE_RW	0x020		/* PR0-bit : write access allowed */
+#define _PAGE_USER	0x040		/* PR1-bit : user space access allowed*/
+#define _PAGE_SZ1	0x080		/* SZ1-bit : Size of page (on SH-4) */
 #define _PAGE_PRESENT	0x100		/* V-bit   : page is valid */
 #define _PAGE_PROTNONE	0x200		/* software: if not present  */
 #define _PAGE_ACCESSED	0x400		/* software: page referenced */
 #define _PAGE_FILE	_PAGE_WT	/* software: pagecache or swap? */
 
+#define _PAGE_SZ_MASK	(_PAGE_SZ0 | _PAGE_SZ1)
+#define _PAGE_PR_MASK	(_PAGE_RW | _PAGE_USER)
+
 /* Extended mode bits */
 #define _PAGE_EXT_ESZ0		0x0010	/* ESZ0-bit: Size of page */
 #define _PAGE_EXT_ESZ1		0x0020	/* ESZ1-bit: Size of page */
@@ -126,11 +126,7 @@ extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];
 #define _PAGE_EXT_KERN_READ	0x2000	/* EPR5-bit: Kernel space readable */
 
 /* Wrapper for extended mode pgprot twiddling */
-#ifdef CONFIG_X2TLB
-# define _PAGE_EXT(x)		((unsigned long long)(x) << 32)
-#else
-# define _PAGE_EXT(x)		(0)
-#endif
+#define _PAGE_EXT(x)		((unsigned long long)(x) << 32)
 
 /* software: moves to PTEA.TC (Timing Control) */
 #define _PAGE_PCC_AREA5	0x00000000	/* use BSC registers for area5 */
@@ -146,10 +142,14 @@ extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];
 #define _PAGE_PCC_ATR16	0x60000001	/* Attribute Memory space, 6 bit bus */
 
 /* Mask which drops unused bits from the PTEL value */
-#ifdef CONFIG_CPU_SH3
+#if defined(CONFIG_CPU_SH3)
 #define _PAGE_CLEAR_FLAGS	(_PAGE_PROTNONE | _PAGE_ACCESSED| \
 				 _PAGE_FILE	| _PAGE_SZ1	| \
 				 _PAGE_HW_SHARED)
+#elif defined(CONFIG_X2TLB)
+/* Get rid of the legacy PR/SZ bits when using extended mode */
+#define _PAGE_CLEAR_FLAGS	(_PAGE_PROTNONE | _PAGE_ACCESSED | \
+				 _PAGE_FILE | _PAGE_PR_MASK | _PAGE_SZ_MASK)
 #else
 #define _PAGE_CLEAR_FLAGS	(_PAGE_PROTNONE | _PAGE_ACCESSED | _PAGE_FILE)
 #endif
@@ -212,27 +212,36 @@ extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];
 
 #define PAGE_SHARED	__pgprot(_PAGE_PRESENT | _PAGE_ACCESSED | \
 				 _PAGE_CACHABLE | _PAGE_FLAGS_HARD | \
-				 _PAGE_EXT(_PAGE_EXT_USER_READ | \
+				 _PAGE_EXT(_PAGE_EXT_KERN_READ  | \
+					   _PAGE_EXT_KERN_WRITE | \
+					   _PAGE_EXT_USER_READ  | \
 					   _PAGE_EXT_USER_WRITE))
 
 #define PAGE_EXECREAD	__pgprot(_PAGE_PRESENT | _PAGE_ACCESSED | \
 				 _PAGE_CACHABLE | _PAGE_FLAGS_HARD | \
-				 _PAGE_EXT(_PAGE_EXT_USER_EXEC | \
+				 _PAGE_EXT(_PAGE_EXT_KERN_EXEC | \
+					   _PAGE_EXT_KERN_READ | \
+					   _PAGE_EXT_USER_EXEC | \
 					   _PAGE_EXT_USER_READ))
 
 #define PAGE_COPY	PAGE_EXECREAD
 
 #define PAGE_READONLY	__pgprot(_PAGE_PRESENT | _PAGE_ACCESSED | \
 				 _PAGE_CACHABLE | _PAGE_FLAGS_HARD | \
-				 _PAGE_EXT(_PAGE_EXT_USER_READ))
+				 _PAGE_EXT(_PAGE_EXT_KERN_READ | \
+					   _PAGE_EXT_USER_READ))
 
 #define PAGE_WRITEONLY	__pgprot(_PAGE_PRESENT | _PAGE_ACCESSED | \
 				 _PAGE_CACHABLE | _PAGE_FLAGS_HARD | \
-				 _PAGE_EXT(_PAGE_EXT_USER_WRITE))
+				 _PAGE_EXT(_PAGE_EXT_KERN_WRITE | \
+					   _PAGE_EXT_USER_WRITE))
 
 #define PAGE_RWX	__pgprot(_PAGE_PRESENT | _PAGE_ACCESSED | \
 				 _PAGE_CACHABLE | _PAGE_FLAGS_HARD | \
-				 _PAGE_EXT(_PAGE_EXT_USER_WRITE | \
+				 _PAGE_EXT(_PAGE_EXT_KERN_WRITE | \
+					   _PAGE_EXT_KERN_READ  | \
+					   _PAGE_EXT_KERN_EXEC  | \
+					   _PAGE_EXT_USER_WRITE | \
 					   _PAGE_EXT_USER_READ  | \
 					   _PAGE_EXT_USER_EXEC))
 
@@ -373,11 +382,15 @@ static inline void set_pte(pte_t *ptep, pte_t pte)
 #define set_pmd(pmdptr, pmdval) (*(pmdptr) = pmdval)
 
 #define pte_pfn(x)		((unsigned long)(((x).pte_low >> PAGE_SHIFT)))
-#define pfn_pte(pfn, prot)	__pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
-#define pfn_pmd(pfn, prot)	__pmd(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
 
-#define pte_none(x)	(!pte_val(x))
-#define pte_present(x)	(pte_val(x) & (_PAGE_PRESENT | _PAGE_PROTNONE))
+#define pfn_pte(pfn, prot) \
+	__pte(((unsigned long long)(pfn) << PAGE_SHIFT) | pgprot_val(prot))
+#define pfn_pmd(pfn, prot) \
+	__pmd(((unsigned long long)(pfn) << PAGE_SHIFT) | pgprot_val(prot))
+
+#define pte_none(x)		(!pte_val(x))
+#define pte_present(x)		((x).pte_low & (_PAGE_PRESENT | _PAGE_PROTNONE))
+
 #define pte_clear(mm,addr,xp) do { set_pte_at(mm, addr, xp, __pte(0)); } while (0)
 
 #define pmd_none(x)	(!pmd_val(x))
@@ -392,15 +405,15 @@ static inline void set_pte(pte_t *ptep, pte_t pte)
  * The following only work if pte_present() is true.
  * Undefined behaviour if not..
  */
-#define pte_not_present(pte)	(!(pte_val(pte) & _PAGE_PRESENT))
-#define pte_dirty(pte)		(pte_val(pte) & _PAGE_DIRTY)
-#define pte_young(pte)		(pte_val(pte) & _PAGE_ACCESSED)
-#define pte_file(pte)		(pte_val(pte) & _PAGE_FILE)
+#define pte_not_present(pte)	(!((pte).pte_low & _PAGE_PRESENT))
+#define pte_dirty(pte)		((pte).pte_low & _PAGE_DIRTY)
+#define pte_young(pte)		((pte).pte_low & _PAGE_ACCESSED)
+#define pte_file(pte)		((pte).pte_low & _PAGE_FILE)
 
 #ifdef CONFIG_X2TLB
 #define pte_write(pte)		((pte).pte_high & _PAGE_EXT_USER_WRITE)
 #else
-#define pte_write(pte)		(pte_val(pte) & _PAGE_RW)
+#define pte_write(pte)		((pte).pte_low & _PAGE_RW)
 #endif
 
 #define PTE_BIT_FUNC(h,fn,op) \
@@ -429,17 +442,10 @@ PTE_BIT_FUNC(low, mkyoung, |= _PAGE_ACCESSED);
 /*
  * Macro and implementation to make a page protection as uncachable.
  */
-#define pgprot_noncached pgprot_noncached
+#define pgprot_writecombine(prot) \
+	__pgprot(pgprot_val(prot) & ~_PAGE_CACHABLE)
 
-static inline pgprot_t pgprot_noncached(pgprot_t _prot)
-{
-	unsigned long prot = pgprot_val(_prot);
-
-	prot &= ~_PAGE_CACHABLE;
-	return __pgprot(prot);
-}
-
-#define pgprot_writecombine(prot) __pgprot(pgprot_val(prot) & ~_PAGE_CACHABLE)
+#define pgprot_noncached	 pgprot_writecombine
 
 /*
  * Conversion functions: convert a page and protection to a page entry,
@@ -451,28 +457,33 @@ static inline pgprot_t pgprot_noncached(pgprot_t _prot)
 
 static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 {
-	set_pte(&pte, __pte((pte_val(pte) & _PAGE_CHG_MASK) |
-			    pgprot_val(newprot)));
+	pte.pte_low &= _PAGE_CHG_MASK;
+	pte.pte_low |= pgprot_val(newprot);
+
+#ifdef CONFIG_X2TLB
+	pte.pte_high |= pgprot_val(newprot) >> 32;
+#endif
+
 	return pte;
 }
 
-#define pmd_page_vaddr(pmd)	pmd_val(pmd)
+#define pmd_page_vaddr(pmd)	((unsigned long)pmd_val(pmd))
 #define pmd_page(pmd)		(virt_to_page(pmd_val(pmd)))
 
 /* to find an entry in a page-table-directory. */
-#define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1))
-#define pgd_offset(mm, address) ((mm)->pgd+pgd_index(address))
+#define pgd_index(address)	(((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1))
+#define pgd_offset(mm, address)	((mm)->pgd+pgd_index(address))
 
 /* to find an entry in a kernel page-table-directory */
-#define pgd_offset_k(address) pgd_offset(&init_mm, address)
+#define pgd_offset_k(address)	pgd_offset(&init_mm, address)
 
 /* Find an entry in the third-level page table.. */
-#define pte_index(address) \
-		((address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
+#define pte_index(address)	((address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
 #define pte_offset_kernel(dir, address) \
 	((pte_t *) pmd_page_vaddr(*(dir)) + pte_index(address))
-#define pte_offset_map(dir, address) pte_offset_kernel(dir, address)
-#define pte_offset_map_nested(dir, address) pte_offset_kernel(dir, address)
+#define pte_offset_map(dir, address)		pte_offset_kernel(dir, address)
+#define pte_offset_map_nested(dir, address)	pte_offset_kernel(dir, address)
+
 #define pte_unmap(pte)		do { } while (0)
 #define pte_unmap_nested(pte)	do { } while (0)
 
@@ -480,13 +491,14 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 #define pte_ERROR(e) \
 	printk("%s:%d: bad pte %p(%08lx%08lx).\n", __FILE__, __LINE__, \
 	       &(e), (e).pte_high, (e).pte_low)
+#define pgd_ERROR(e) \
+	printk("%s:%d: bad pgd %016llx.\n", __FILE__, __LINE__, pgd_val(e))
 #else
 #define pte_ERROR(e) \
 	printk("%s:%d: bad pte %08lx.\n", __FILE__, __LINE__, pte_val(e))
-#endif
-
 #define pgd_ERROR(e) \
 	printk("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, pgd_val(e))
+#endif
 
 struct vm_area_struct;
 extern void update_mmu_cache(struct vm_area_struct * vma,
@@ -563,7 +575,8 @@ struct mm_struct;
 extern unsigned int kobjsize(const void *objp);
 #endif /* !CONFIG_MMU */
 
-#if defined(CONFIG_CPU_SH4) || defined(CONFIG_SH7705_CACHE_32KB)
+#if !defined(CONFIG_CACHE_OFF) && (defined(CONFIG_CPU_SH4) || \
+	defined(CONFIG_SH7705_CACHE_32KB))
 #define __HAVE_ARCH_PTEP_GET_AND_CLEAR
 extern pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep);
 #endif
diff --git a/include/asm-sh/processor.h b/include/asm-sh/processor.h
index 26d52174f4b..4f2922a1979 100644
--- a/include/asm-sh/processor.h
+++ b/include/asm-sh/processor.h
@@ -45,7 +45,7 @@ enum cpu_type {
 	CPU_SH7705, CPU_SH7706, CPU_SH7707,
 	CPU_SH7708, CPU_SH7708S, CPU_SH7708R,
 	CPU_SH7709, CPU_SH7709A, CPU_SH7710, CPU_SH7712,
-	CPU_SH7729,
+	CPU_SH7720, CPU_SH7729,
 
 	/* SH-4 types */
 	CPU_SH7750, CPU_SH7750S, CPU_SH7750R, CPU_SH7751, CPU_SH7751R,
@@ -73,15 +73,10 @@ struct sh_cpuinfo {
 	unsigned long flags;
 } __attribute__ ((aligned(SMP_CACHE_BYTES)));
 
-extern struct sh_cpuinfo boot_cpu_data;
-
-#ifdef CONFIG_SMP
 extern struct sh_cpuinfo cpu_data[];
+#define boot_cpu_data cpu_data[0]
 #define current_cpu_data cpu_data[smp_processor_id()]
-#else
-#define cpu_data (&boot_cpu_data)
-#define current_cpu_data boot_cpu_data
-#endif
+#define raw_current_cpu_data cpu_data[raw_smp_processor_id()]
 
 /*
  * User space process size: 2GB.
diff --git a/include/asm-sh/r7780rp.h b/include/asm-sh/r7780rp.h
index 4083b594992..de37f933aa4 100644
--- a/include/asm-sh/r7780rp.h
+++ b/include/asm-sh/r7780rp.h
@@ -65,24 +65,6 @@
 #define PA_PMR          (PA_BCR+0x0900) /*  */
 
 #define IRLCNTR1        (PA_BCR + 0)    /* Interrupt Control Register1 */
-
-#define IRQ_PCISLOT1    65              /* PCI Slot #1 IRQ */
-#define IRQ_PCISLOT2    66              /* PCI Slot #2 IRQ */
-#define IRQ_PCISLOT3    67              /* PCI Slot #3 IRQ */
-#define IRQ_PCISLOT4    68              /* PCI Slot #4 IRQ */
-#define IRQ_TP          2               /* Touch Panel IRQ */
-#define IRQ_SCI1        3               /* SCI1 IRQ */
-#define IRQ_SCI0        4               /* SCI0 IRQ */
-#define IRQ_2SERIAL     5               /* Serial IRQ */
-#define IRQ_RTC         6               /* RTC A / B IRQ */
-#define IRQ_EXTENTION6  7               /* EXT6n IRQ */
-#define IRQ_EXTENTION5  8               /* EXT5n IRQ */
-#define IRQ_EXTENTION4  9               /* EXT4n IRQ */
-#define IRQ_EXTENTION2  10              /* EXT2n IRQ */
-#define IRQ_EXTENTION1  11              /* EXT1n IRQ */
-#define IRQ_ONETH       13              /* On board Ethernet IRQ */
-#define IRQ_PSW         14              /* Push Switch IRQ */
-
 #define IVDR_CK_ON	8		/* iVDR Clock ON */
 
 #elif defined(CONFIG_SH_R7780RP)
@@ -203,11 +185,24 @@
 #define PA_MMSR		(PA_BCR+0x0400)
 
 #define IVDR_CK_ON	4		/* iVDR Clock ON */
+#endif
 
+#define HL_FPGA_IRQ_BASE	200
+#define HL_NR_IRL		15
+
+#define IRQ_AX88796		(HL_FPGA_IRQ_BASE + 0)
+#define IRQ_CF			(HL_FPGA_IRQ_BASE + 1)
+#ifndef IRQ_PSW
+#define IRQ_PSW			(HL_FPGA_IRQ_BASE + 2)
 #endif
+#define IRQ_EXT1		(HL_FPGA_IRQ_BASE + 3)
+#define IRQ_EXT4		(HL_FPGA_IRQ_BASE + 4)
 
 void make_r7780rp_irq(unsigned int irq);
-void highlander_init_irq(void);
+
+unsigned char *highlander_init_irq_r7780mp(void);
+unsigned char *highlander_init_irq_r7780rp(void);
+unsigned char *highlander_init_irq_r7785rp(void);
 
 #define __IO_PREFIX	r7780rp
 #include <asm/io_generic.h>
diff --git a/include/asm-sh/rtc.h b/include/asm-sh/rtc.h
index 91aacc96151..858da99d37e 100644
--- a/include/asm-sh/rtc.h
+++ b/include/asm-sh/rtc.h
@@ -5,4 +5,10 @@ extern void (*board_time_init)(void);
 extern void (*rtc_sh_get_time)(struct timespec *);
 extern int (*rtc_sh_set_time)(const time_t);
 
+#define RTC_CAP_4_DIGIT_YEAR	(1 << 0)
+
+struct sh_rtc_platform_info {
+	unsigned long capabilities;
+};
+
 #endif /* _ASM_RTC_H */
diff --git a/include/asm-sh/rts7751r2d.h b/include/asm-sh/rts7751r2d.h
index 5d7800aa31b..83b9c111f17 100644
--- a/include/asm-sh/rts7751r2d.h
+++ b/include/asm-sh/rts7751r2d.h
@@ -9,7 +9,7 @@
  * Renesas Technology Sales RTS7751R2D support
  */
 
-/* Box specific addresses.  */
+/* Board specific addresses.  */
 
 #define PA_BCR		0xa4000000	/* FPGA */
 #define PA_IRLMON	0xa4000002	/* Interrupt Status control */
@@ -20,19 +20,19 @@
 #define PA_RTCCE	0xa400000c	/* RTC(9701) Enable control */
 #define PA_PCICD	0xa400000e	/* PCI Extention detect control */
 #define PA_VOYAGERRTS	0xa4000020	/* VOYAGER Reset control */
-#if defined(CONFIG_RTS7751R2D_REV11)
-#define PA_AXRST	0xa4000022	/* AX_LAN Reset control */
-#define PA_CFRST	0xa4000024	/* CF Reset control */
-#define	PA_ADMRTS	0xa4000026	/* SD Reset control */
-#define PA_EXTRST	0xa4000028	/* Extention Reset control */
-#define PA_CFCDINTCLR	0xa400002a	/* CF Insert Interrupt clear */
-#else
-#define PA_CFRST	0xa4000022	/* CF Reset control */
-#define	PA_ADMRTS	0xa4000024	/* SD Reset control */
-#define PA_EXTRST	0xa4000026	/* Extention Reset control */
-#define PA_CFCDINTCLR	0xa4000028	/* CF Insert Interrupt clear */
-#define	PA_KEYCTLCLR	0xa400002a	/* Key Interrupt clear */
-#endif
+
+#define PA_R2D1_AXRST		0xa4000022	/* AX_LAN Reset control */
+#define PA_R2D1_CFRST		0xa4000024	/* CF Reset control */
+#define PA_R2D1_ADMRTS		0xa4000026	/* SD Reset control */
+#define PA_R2D1_EXTRST		0xa4000028	/* Extention Reset control */
+#define PA_R2D1_CFCDINTCLR	0xa400002a	/* CF Insert Interrupt clear */
+
+#define PA_R2DPLUS_CFRST	0xa4000022	/* CF Reset control */
+#define PA_R2DPLUS_ADMRTS	0xa4000024	/* SD Reset control */
+#define PA_R2DPLUS_EXTRST	0xa4000026	/* Extention Reset control */
+#define PA_R2DPLUS_CFCDINTCLR	0xa4000028	/* CF Insert Interrupt clear */
+#define PA_R2DPLUS_KEYCTLCLR	0xa400002a	/* Key Interrupt clear */
+
 #define PA_POWOFF	0xa4000030	/* Board Power OFF control */
 #define PA_VERREG	0xa4000032	/* FPGA Version Register */
 #define PA_INPORT	0xa4000034	/* KEY Input Port control */
@@ -46,27 +46,22 @@
 
 #define IRLCNTR1	(PA_BCR + 0)	/* Interrupt Control Register1 */
 
-#if defined(CONFIG_RTS7751R2D_REV11)
-#define IRQ_PCIETH	0		/* PCI Ethernet IRQ */
-#define IRQ_CFCARD	1		/* CF Card IRQ */
-#define IRQ_CFINST	2		/* CF Card Insert IRQ */
-#define IRQ_PCMCIA	3		/* PCMCIA IRQ */
-#define IRQ_VOYAGER	4		/* VOYAGER IRQ */
-#define IRQ_ONETH	5		/* On board Ethernet IRQ */
-#else
-#define IRQ_KEYIN	0		/* Key Input IRQ */
-#define IRQ_PCIETH	1		/* PCI Ethernet IRQ */
-#define IRQ_CFCARD	2		/* CF Card IRQ */
-#define IRQ_CFINST	3		/* CF Card Insert IRQ */
-#define IRQ_PCMCIA	4		/* PCMCIA IRQ */
-#define IRQ_VOYAGER	5		/* VOYAGER IRQ */
-#endif
-#define IRQ_RTCALM	6		/* RTC Alarm IRQ */
-#define IRQ_RTCTIME	7		/* RTC Timer IRQ */
-#define IRQ_SDCARD	8		/* SD Card IRQ */
-#define IRQ_PCISLOT1	9		/* PCI Slot #1 IRQ */
-#define IRQ_PCISLOT2	10		/* PCI Slot #2 IRQ */
-#define	IRQ_EXTENTION	11		/* EXTn IRQ */
+#define R2D_FPGA_IRQ_BASE	100
+
+#define IRQ_VOYAGER		(R2D_FPGA_IRQ_BASE + 0)
+#define IRQ_EXT			(R2D_FPGA_IRQ_BASE + 1)
+#define IRQ_TP			(R2D_FPGA_IRQ_BASE + 2)
+#define IRQ_RTC_T		(R2D_FPGA_IRQ_BASE + 3)
+#define IRQ_RTC_A		(R2D_FPGA_IRQ_BASE + 4)
+#define IRQ_SDCARD		(R2D_FPGA_IRQ_BASE + 5)
+#define IRQ_CF_CD		(R2D_FPGA_IRQ_BASE + 6)
+#define IRQ_CF_IDE		(R2D_FPGA_IRQ_BASE + 7)
+#define IRQ_AX88796		(R2D_FPGA_IRQ_BASE + 8)
+#define IRQ_KEY			(R2D_FPGA_IRQ_BASE + 9)
+#define IRQ_PCI_INTA		(R2D_FPGA_IRQ_BASE + 10)
+#define IRQ_PCI_INTB		(R2D_FPGA_IRQ_BASE + 11)
+#define IRQ_PCI_INTC		(R2D_FPGA_IRQ_BASE + 12)
+#define IRQ_PCI_INTD		(R2D_FPGA_IRQ_BASE + 13)
 
 /* arch/sh/boards/renesas/rts7751r2d/irq.c */
 void init_rts7751r2d_IRQ(void);
diff --git a/include/asm-sh/sections.h b/include/asm-sh/sections.h
index 2a696b8ee4f..bd9cbc967c2 100644
--- a/include/asm-sh/sections.h
+++ b/include/asm-sh/sections.h
@@ -4,6 +4,7 @@
 #include <asm-generic/sections.h>
 
 extern long __machvec_start, __machvec_end;
+extern char _ebss[];
 
 #endif /* __ASM_SH_SECTIONS_H */
 
diff --git a/include/asm-sh/sh03/io.h b/include/asm-sh/sh03/io.h
index 4ff1eb90030..c39c785bba9 100644
--- a/include/asm-sh/sh03/io.h
+++ b/include/asm-sh/sh03/io.h
@@ -11,22 +11,13 @@
 
 #include <linux/time.h>
 
-#define INTC_IPRD	0xffd00010UL
-
 #define IRL0_IRQ	2
-#define IRL0_IPR_POS	3
 #define IRL0_PRIORITY	13
-
 #define IRL1_IRQ	5
-#define IRL1_IPR_POS	2
 #define IRL1_PRIORITY	10
-
 #define IRL2_IRQ	8
-#define IRL2_IPR_POS	1
 #define IRL2_PRIORITY	7
-
 #define IRL3_IRQ	11
-#define IRL3_IPR_POS	0
 #define IRL3_PRIORITY	4
 
 void heartbeat_sh03(void);
diff --git a/include/asm-sh/smp.h b/include/asm-sh/smp.h
index b99ca786c0c..9c8d34b07eb 100644
--- a/include/asm-sh/smp.h
+++ b/include/asm-sh/smp.h
@@ -1,12 +1,3 @@
-/*
- * include/asm-sh/smp.h
- *
- * Copyright (C) 2002, 2003  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.
- */
 #ifndef __ASM_SH_SMP_H
 #define __ASM_SH_SMP_H
 
@@ -20,6 +11,15 @@
 #include <asm/current.h>
 
 #define raw_smp_processor_id()	(current_thread_info()->cpu)
+#define hard_smp_processor_id()	plat_smp_processor_id()
+
+/* Map from cpu id to sequential logical cpu number. */
+extern int __cpu_number_map[NR_CPUS];
+#define cpu_number_map(cpu)  __cpu_number_map[cpu]
+
+/* The reverse map from sequential logical cpu number to cpu id.  */
+extern int __cpu_logical_map[NR_CPUS];
+#define cpu_logical_map(cpu)  __cpu_logical_map[cpu]
 
 /* I've no idea what the real meaning of this is */
 #define PROC_CHANGE_PENALTY	20
@@ -35,10 +35,22 @@ struct smp_fn_call_struct {
 
 extern struct smp_fn_call_struct smp_fn_call;
 
-#define SMP_MSG_RESCHEDULE	0x0001
+#define SMP_MSG_FUNCTION	0
+#define SMP_MSG_RESCHEDULE	1
+#define SMP_MSG_NR		2
 
-#endif /* CONFIG_SMP */
+void plat_smp_setup(void);
+void plat_prepare_cpus(unsigned int max_cpus);
+int plat_smp_processor_id(void);
+void plat_start_cpu(unsigned int cpu, unsigned long entry_point);
+void plat_send_ipi(unsigned int cpu, unsigned int message);
+int plat_register_ipi_handler(unsigned int message,
+			      void (*handler)(void *), void *arg);
+
+#else
 
 #define hard_smp_processor_id()	(0)
 
+#endif /* CONFIG_SMP */
+
 #endif /* __ASM_SH_SMP_H */
diff --git a/include/asm-sh/snapgear.h b/include/asm-sh/snapgear.h
index 3554e3a74e9..042d95f51c4 100644
--- a/include/asm-sh/snapgear.h
+++ b/include/asm-sh/snapgear.h
@@ -19,20 +19,16 @@
  * is the interrupt :-)
  */
 
-#define IRL0_IRQ		2
-#define IRL0_IPR_POS	3
+#define IRL0_IRQ	2
 #define IRL0_PRIORITY	13
 
-#define IRL1_IRQ		5
-#define IRL1_IPR_POS	2
+#define IRL1_IRQ	5
 #define IRL1_PRIORITY	10
 
-#define IRL2_IRQ		8
-#define IRL2_IPR_POS	1
+#define IRL2_IRQ	8
 #define IRL2_PRIORITY	7
 
-#define IRL3_IRQ		11
-#define IRL3_IPR_POS	0
+#define IRL3_IRQ	11
 #define IRL3_PRIORITY	4
 #endif
 
diff --git a/include/asm-sh/spinlock.h b/include/asm-sh/spinlock.h
index 92f6e2008b2..e793181d64d 100644
--- a/include/asm-sh/spinlock.h
+++ b/include/asm-sh/spinlock.h
@@ -2,6 +2,7 @@
  * include/asm-sh/spinlock.h
  *
  * Copyright (C) 2002, 2003 Paul Mundt
+ * Copyright (C) 2006, 2007 Akio Idehara
  *
  * 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
@@ -10,17 +11,22 @@
 #ifndef __ASM_SH_SPINLOCK_H
 #define __ASM_SH_SPINLOCK_H
 
-#include <asm/atomic.h>
-#include <asm/spinlock_types.h>
+/*
+ * The only locking implemented here uses SH-4A opcodes. For others,
+ * split this out as per atomic-*.h.
+ */
+#ifndef CONFIG_CPU_SH4A
+#error "Need movli.l/movco.l for spinlocks"
+#endif
 
 /*
  * Your basic SMP spinlocks, allowing only a single CPU anywhere
  */
 
-#define __raw_spin_is_locked(x)	((x)->lock != 0)
+#define __raw_spin_is_locked(x)		((x)->lock <= 0)
 #define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock)
 #define __raw_spin_unlock_wait(x) \
-	do { cpu_relax(); } while (__raw_spin_is_locked(x))
+	do { cpu_relax(); } while ((x)->lock)
 
 /*
  * Simple spin lock operations.  There are two variants, one clears IRQ's
@@ -30,12 +36,19 @@
  */
 static inline void __raw_spin_lock(raw_spinlock_t *lock)
 {
+	unsigned long tmp;
+	unsigned long oldval;
+
 	__asm__ __volatile__ (
-		"1:\n\t"
-		"tas.b @%0\n\t"
-		"bf/s 1b\n\t"
-		"nop\n\t"
-		: "=r" (lock->lock)
+		"1:						\n\t"
+		"movli.l	@%2, %0	! __raw_spin_lock	\n\t"
+		"mov		%0, %1				\n\t"
+		"mov		#0, %0				\n\t"
+		"movco.l	%0, @%2				\n\t"
+		"bf		1b				\n\t"
+		"cmp/pl		%1				\n\t"
+		"bf		1b				\n\t"
+		: "=&z" (tmp), "=&r" (oldval)
 		: "r" (&lock->lock)
 		: "t", "memory"
 	);
@@ -43,12 +56,36 @@ static inline void __raw_spin_lock(raw_spinlock_t *lock)
 
 static inline void __raw_spin_unlock(raw_spinlock_t *lock)
 {
-	//assert_spin_locked(lock);
+	unsigned long tmp;
 
-	lock->lock = 0;
+	__asm__ __volatile__ (
+		"mov		#1, %0 ! __raw_spin_unlock	\n\t"
+		"mov.l		%0, @%1				\n\t"
+		: "=&z" (tmp)
+		: "r" (&lock->lock)
+		: "t", "memory"
+	);
 }
 
-#define __raw_spin_trylock(x) (!test_and_set_bit(0, &(x)->lock))
+static inline int __raw_spin_trylock(raw_spinlock_t *lock)
+{
+	unsigned long tmp, oldval;
+
+	__asm__ __volatile__ (
+		"1:						\n\t"
+		"movli.l	@%2, %0	! __raw_spin_trylock	\n\t"
+		"mov		%0, %1				\n\t"
+		"mov		#0, %0				\n\t"
+		"movco.l	%0, @%2				\n\t"
+		"bf		1b				\n\t"
+		"synco						\n\t"
+		: "=&z" (tmp), "=&r" (oldval)
+		: "r" (&lock->lock)
+		: "t", "memory"
+	);
+
+	return oldval;
+}
 
 /*
  * Read-write spinlocks, allowing multiple readers but only one writer.
@@ -59,58 +96,124 @@ static inline void __raw_spin_unlock(raw_spinlock_t *lock)
  * read-locks.
  */
 
+/**
+ * read_can_lock - would read_trylock() succeed?
+ * @lock: the rwlock in question.
+ */
+#define __raw_read_can_lock(x)	((x)->lock > 0)
+
+/**
+ * write_can_lock - would write_trylock() succeed?
+ * @lock: the rwlock in question.
+ */
+#define __raw_write_can_lock(x)	((x)->lock == RW_LOCK_BIAS)
+
 static inline void __raw_read_lock(raw_rwlock_t *rw)
 {
-	__raw_spin_lock(&rw->lock);
-
-	atomic_inc(&rw->counter);
+	unsigned long tmp;
 
-	__raw_spin_unlock(&rw->lock);
+	__asm__ __volatile__ (
+		"1:						\n\t"
+		"movli.l	@%1, %0	! __raw_read_lock	\n\t"
+		"cmp/pl		%0				\n\t"
+		"bf		1b				\n\t"
+		"add		#-1, %0				\n\t"
+		"movco.l	%0, @%1				\n\t"
+		"bf		1b				\n\t"
+		: "=&z" (tmp)
+		: "r" (&rw->lock)
+		: "t", "memory"
+	);
 }
 
 static inline void __raw_read_unlock(raw_rwlock_t *rw)
 {
-	__raw_spin_lock(&rw->lock);
-
-	atomic_dec(&rw->counter);
+	unsigned long tmp;
 
-	__raw_spin_unlock(&rw->lock);
+	__asm__ __volatile__ (
+		"1:						\n\t"
+		"movli.l	@%1, %0	! __raw_read_unlock	\n\t"
+		"add		#1, %0				\n\t"
+		"movco.l	%0, @%1				\n\t"
+		"bf		1b				\n\t"
+		: "=&z" (tmp)
+		: "r" (&rw->lock)
+		: "t", "memory"
+	);
 }
 
 static inline void __raw_write_lock(raw_rwlock_t *rw)
 {
-	__raw_spin_lock(&rw->lock);
-	atomic_set(&rw->counter, -1);
+	unsigned long tmp;
+
+	__asm__ __volatile__ (
+		"1:						\n\t"
+		"movli.l	@%1, %0	! __raw_write_lock	\n\t"
+		"cmp/hs		%2, %0				\n\t"
+		"bf		1b				\n\t"
+		"sub		%2, %0				\n\t"
+		"movco.l	%0, @%1				\n\t"
+		"bf		1b				\n\t"
+		: "=&z" (tmp)
+		: "r" (&rw->lock), "r" (RW_LOCK_BIAS)
+		: "t", "memory"
+	);
 }
 
 static inline void __raw_write_unlock(raw_rwlock_t *rw)
 {
-	atomic_set(&rw->counter, 0);
-	__raw_spin_unlock(&rw->lock);
+	__asm__ __volatile__ (
+		"mov.l		%1, @%0 ! __raw_write_unlock	\n\t"
+		:
+		: "r" (&rw->lock), "r" (RW_LOCK_BIAS)
+		: "t", "memory"
+	);
 }
 
-static inline int __raw_write_can_lock(raw_rwlock_t *rw)
+static inline int __raw_read_trylock(raw_rwlock_t *rw)
 {
-	return (atomic_read(&rw->counter) == RW_LOCK_BIAS);
-}
+	unsigned long tmp, oldval;
 
-static inline int __raw_read_trylock(raw_rwlock_t *lock)
-{
-	atomic_t *count = (atomic_t*)lock;
-	if (atomic_dec_return(count) >= 0)
-		return 1;
-	atomic_inc(count);
-	return 0;
+	__asm__ __volatile__ (
+		"1:						\n\t"
+		"movli.l	@%2, %0	! __raw_read_trylock	\n\t"
+		"mov		%0, %1				\n\t"
+		"cmp/pl		%0				\n\t"
+		"bf		2f				\n\t"
+		"add		#-1, %0				\n\t"
+		"movco.l	%0, @%2				\n\t"
+		"bf		1b				\n\t"
+		"2:						\n\t"
+		"synco						\n\t"
+		: "=&z" (tmp), "=&r" (oldval)
+		: "r" (&rw->lock)
+		: "t", "memory"
+	);
+
+	return (oldval > 0);
 }
 
 static inline int __raw_write_trylock(raw_rwlock_t *rw)
 {
-	if (atomic_sub_and_test(RW_LOCK_BIAS, &rw->counter))
-		return 1;
-	
-	atomic_add(RW_LOCK_BIAS, &rw->counter);
+	unsigned long tmp, oldval;
+
+	__asm__ __volatile__ (
+		"1:						\n\t"
+		"movli.l	@%2, %0	! __raw_write_trylock	\n\t"
+		"mov		%0, %1				\n\t"
+		"cmp/hs		%3, %0				\n\t"
+		"bf		2f				\n\t"
+		"sub		%3, %0				\n\t"
+		"2:						\n\t"
+		"movco.l	%0, @%2				\n\t"
+		"bf		1b				\n\t"
+		"synco						\n\t"
+		: "=&z" (tmp), "=&r" (oldval)
+		: "r" (&rw->lock), "r" (RW_LOCK_BIAS)
+		: "t", "memory"
+	);
 
-	return 0;
+	return (oldval > (RW_LOCK_BIAS - 1));
 }
 
 #define _raw_spin_relax(lock)	cpu_relax()
diff --git a/include/asm-sh/spinlock_types.h b/include/asm-sh/spinlock_types.h
index 5c58134f2c4..b4d244e7b60 100644
--- a/include/asm-sh/spinlock_types.h
+++ b/include/asm-sh/spinlock_types.h
@@ -6,19 +6,16 @@
 #endif
 
 typedef struct {
-	volatile unsigned long lock;
+	volatile unsigned int lock;
 } raw_spinlock_t;
 
-#define __RAW_SPIN_LOCK_UNLOCKED	{ 1 }
-
-#include <asm/atomic.h>
+#define __RAW_SPIN_LOCK_UNLOCKED		{ 1 }
 
 typedef struct {
-	raw_spinlock_t lock;
-	atomic_t counter;
+	volatile unsigned int lock;
 } raw_rwlock_t;
 
 #define RW_LOCK_BIAS			0x01000000
-#define __RAW_RW_LOCK_UNLOCKED		{ { 0 }, { RW_LOCK_BIAS } }
+#define __RAW_RW_LOCK_UNLOCKED		{ RW_LOCK_BIAS }
 
 #endif
diff --git a/include/asm-sh/system.h b/include/asm-sh/system.h
index 24504253720..9d849e6df26 100644
--- a/include/asm-sh/system.h
+++ b/include/asm-sh/system.h
@@ -266,6 +266,7 @@ void disable_hlt(void);
 void enable_hlt(void);
 
 void default_idle(void);
+void per_cpu_trap_init(void);
 
 asmlinkage void break_point_trap(void);
 asmlinkage void debug_trap_handler(unsigned long r4, unsigned long r5,
diff --git a/include/asm-sh/voyagergx.h b/include/asm-sh/voyagergx.h
index 64c936b2271..d825596562d 100644
--- a/include/asm-sh/voyagergx.h
+++ b/include/asm-sh/voyagergx.h
@@ -27,13 +27,35 @@
 #define VOYAGER_UART_BASE		(0x30000 + VOYAGER_BASE)
 #define	VOYAGER_AC97_BASE		(0xa0000 + VOYAGER_BASE)
 
-#define VOYAGER_IRQ_NUM			32
-#define VOYAGER_IRQ_BASE		50
-#define VOYAGER_USBH_IRQ		VOYAGER_IRQ_BASE + 6
-#define VOYAGER_8051_IRQ		VOYAGER_IRQ_BASE + 10
-#define VOYAGER_UART0_IRQ		VOYAGER_IRQ_BASE + 12
-#define VOYAGER_UART1_IRQ		VOYAGER_IRQ_BASE + 13
-#define	VOYAGER_AC97_IRQ		VOYAGER_IRQ_BASE + 17
+#define VOYAGER_IRQ_NUM			26
+#define VOYAGER_IRQ_BASE		200
+
+#define IRQ_SM501_UP			(VOYAGER_IRQ_BASE + 0)
+#define IRQ_SM501_G54			(VOYAGER_IRQ_BASE + 1)
+#define IRQ_SM501_G53			(VOYAGER_IRQ_BASE + 2)
+#define IRQ_SM501_G52			(VOYAGER_IRQ_BASE + 3)
+#define IRQ_SM501_G51			(VOYAGER_IRQ_BASE + 4)
+#define IRQ_SM501_G50			(VOYAGER_IRQ_BASE + 5)
+#define IRQ_SM501_G49			(VOYAGER_IRQ_BASE + 6)
+#define IRQ_SM501_G48			(VOYAGER_IRQ_BASE + 7)
+#define IRQ_SM501_I2C			(VOYAGER_IRQ_BASE + 8)
+#define IRQ_SM501_PW			(VOYAGER_IRQ_BASE + 9)
+#define IRQ_SM501_DMA			(VOYAGER_IRQ_BASE + 10)
+#define IRQ_SM501_PCI			(VOYAGER_IRQ_BASE + 11)
+#define IRQ_SM501_I2S			(VOYAGER_IRQ_BASE + 12)
+#define IRQ_SM501_AC			(VOYAGER_IRQ_BASE + 13)
+#define IRQ_SM501_US			(VOYAGER_IRQ_BASE + 14)
+#define IRQ_SM501_U1			(VOYAGER_IRQ_BASE + 15)
+#define IRQ_SM501_U0			(VOYAGER_IRQ_BASE + 16)
+#define IRQ_SM501_CV			(VOYAGER_IRQ_BASE + 17)
+#define IRQ_SM501_MC			(VOYAGER_IRQ_BASE + 18)
+#define IRQ_SM501_S1			(VOYAGER_IRQ_BASE + 19)
+#define IRQ_SM501_S0			(VOYAGER_IRQ_BASE + 20)
+#define IRQ_SM501_UH			(VOYAGER_IRQ_BASE + 21)
+#define IRQ_SM501_2D			(VOYAGER_IRQ_BASE + 22)
+#define IRQ_SM501_ZD			(VOYAGER_IRQ_BASE + 23)
+#define IRQ_SM501_PV			(VOYAGER_IRQ_BASE + 24)
+#define IRQ_SM501_CI			(VOYAGER_IRQ_BASE + 25)
 
 /* ----- MISC controle  register ------------------------------ */
 #define MISC_CTRL			(0x000004 + VOYAGER_BASE)
@@ -313,4 +335,7 @@
 void *voyagergx_consistent_alloc(struct device *, size_t, dma_addr_t *, gfp_t);
 int voyagergx_consistent_free(struct device *, size_t, void *, dma_addr_t);
 
+/* arch/sh/cchips/voyagergx/irq.c */
+void setup_voyagergx_irq(void);
+
 #endif /* _VOYAGER_GX_REG_H */