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

* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6: (43 commits)
  sh: sh775x/titan fixes for irq header changes.
  sh: update r7780rp defconfig.
  sh: compile fixes for header cleanup.
  sh: Fixup pte_mkhuge() build failure.
  sh: set KBUILD_IMAGE to something sensible.
  sh: show held locks in stack trace with lockdep.
  sh: platform_pata support for R7780RP
  sh: stacktrace/lockdep/irqflags tracing support.
  sh: Fixup movli.l/movco.l atomic ops for gcc4.
  sh: dyntick infrastructure.
  sh: Clock framework tidying.
  sh: Turn off IRQs around get_timer_offset() calls.
  sh: Get the PGD right in oops case with 64-bit PTEs.
  sh: Fix store queue bitmap end.
  sh: More flexible + SH7780 earlyprintk SCIF support.
  sh: Fixup various PAGE_SIZE == 4096 assumptions.
  sh: Fixup 4K irq stacks.
  sh: dma-api channel capability extensions.
  sh: Drop name overload in dma-sh.
  sh: Make dma-isa depend on ISA_DMA_API.
  ...

4 files changed, 29 insertions, 97 deletions

diff --git a/arch/sh/kernel/cpu/irq/Makefile b/arch/sh/kernel/cpu/irq/Makefile
index 1c034c283f5..0049d217561 100644
--- a/arch/sh/kernel/cpu/irq/Makefile
+++ b/arch/sh/kernel/cpu/irq/Makefile
@@ -1,8 +1,9 @@
 #
 # Makefile for the Linux/SuperH CPU-specifc IRQ handlers.
 #
-obj-y	+= ipr.o imask.o
+obj-y	+= imask.o
 
+obj-$(CONFIG_CPU_HAS_IPR_IRQ)		+= ipr.o
 obj-$(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/imask.c b/arch/sh/kernel/cpu/irq/imask.c
index a33ae3e0a5a..301b505c427 100644
--- a/arch/sh/kernel/cpu/irq/imask.c
+++ b/arch/sh/kernel/cpu/irq/imask.c
@@ -53,7 +53,10 @@ void static inline set_interrupt_registers(int ip)
 {
 	unsigned long __dummy;
 
-	asm volatile("ldc	%2, r6_bank\n\t"
+	asm volatile(
+#ifdef CONFIG_CPU_HAS_SR_RB
+		     "ldc	%2, r6_bank\n\t"
+#endif
 		     "stc	sr, %0\n\t"
 		     "and	#0xf0, %0\n\t"
 		     "shlr2	%0\n\t"
diff --git a/arch/sh/kernel/cpu/irq/intc2.c b/arch/sh/kernel/cpu/irq/intc2.c
index 74ca576a7ce..74defe76a05 100644
--- a/arch/sh/kernel/cpu/irq/intc2.c
+++ b/arch/sh/kernel/cpu/irq/intc2.c
@@ -11,22 +11,29 @@
  * Hitachi 7751, the STM ST40 STB1, SH7760, and SH7780.
  */
 #include <linux/kernel.h>
-#include <linux/irq.h>
+#include <linux/interrupt.h>
 #include <linux/io.h>
-#include <asm/system.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)
+#define INTC2_BASE	0xffd40000
+#define INTC2_INTMSK	(INTC2_BASE + 0x38)
+#define INTC2_INTMSKCLR	(INTC2_BASE + 0x3c)
+#endif
 
 static void disable_intc2_irq(unsigned int irq)
 {
 	struct intc2_data *p = get_irq_chip_data(irq);
-	ctrl_outl(1 << p->msk_shift,
-		  INTC2_BASE + INTC2_INTMSK_OFFSET + p->msk_offset);
+	ctrl_outl(1 << p->msk_shift, INTC2_INTMSK + p->msk_offset);
 }
 
 static void enable_intc2_irq(unsigned int irq)
 {
 	struct intc2_data *p = get_irq_chip_data(irq);
-	ctrl_outl(1 << p->msk_shift,
-		  INTC2_BASE + INTC2_INTMSKCLR_OFFSET + p->msk_offset);
+	ctrl_outl(1 << p->msk_shift, INTC2_INTMSKCLR + p->msk_offset);
 }
 
 static struct irq_chip intc2_irq_chip = {
@@ -61,12 +68,10 @@ void make_intc2_irq(struct intc2_data *table, unsigned int nr_irqs)
 		/* Set the priority level */
 		local_irq_save(flags);
 
-		ipr = ctrl_inl(INTC2_BASE + INTC2_INTPRI_OFFSET +
-			       p->ipr_offset);
+		ipr = ctrl_inl(INTC2_BASE + p->ipr_offset);
 		ipr &= ~(0xf << p->ipr_shift);
 		ipr |= p->priority << p->ipr_shift;
-		ctrl_outl(ipr, INTC2_BASE + INTC2_INTPRI_OFFSET +
-			  p->ipr_offset);
+		ctrl_outl(ipr, INTC2_BASE + p->ipr_offset);
 
 		local_irq_restore(flags);
 
diff --git a/arch/sh/kernel/cpu/irq/ipr.c b/arch/sh/kernel/cpu/irq/ipr.c
index a0089563cbf..35eb5751a3a 100644
--- a/arch/sh/kernel/cpu/irq/ipr.c
+++ b/arch/sh/kernel/cpu/irq/ipr.c
@@ -19,25 +19,21 @@
 #include <linux/init.h>
 #include <linux/irq.h>
 #include <linux/module.h>
-#include <asm/system.h>
-#include <asm/io.h>
-#include <asm/machvec.h>
-
+#include <linux/io.h>
+#include <linux/interrupt.h>
 
 static void disable_ipr_irq(unsigned int irq)
 {
 	struct ipr_data *p = get_irq_chip_data(irq);
-	int shift = p->shift*4;
 	/* Set the priority in IPR to 0 */
-	ctrl_outw(ctrl_inw(p->addr) & (0xffff ^ (0xf << shift)), p->addr);
+	ctrl_outw(ctrl_inw(p->addr) & (0xffff ^ (0xf << p->shift)), p->addr);
 }
 
 static void enable_ipr_irq(unsigned int irq)
 {
 	struct ipr_data *p = get_irq_chip_data(irq);
-	int shift = p->shift*4;
 	/* Set priority in IPR back to original value */
-	ctrl_outw(ctrl_inw(p->addr) | (p->priority << shift), p->addr);
+	ctrl_outw(ctrl_inw(p->addr) | (p->priority << p->shift), p->addr);
 }
 
 static struct irq_chip ipr_irq_chip = {
@@ -53,6 +49,10 @@ void make_ipr_irq(struct ipr_data *table, unsigned int nr_irqs)
 
 	for (i = 0; i < nr_irqs; i++) {
 		unsigned int irq = table[i].irq;
+		table[i].addr = map_ipridx_to_addr(table[i].ipr_idx);
+		/* could the IPR index be mapped, if not we ignore this */
+		if (table[i].addr == 0)
+			continue;
 		disable_irq_nosync(irq);
 		set_irq_chip_and_handler_name(irq, &ipr_irq_chip,
 				      handle_level_irq, "level");
@@ -62,83 +62,6 @@ void make_ipr_irq(struct ipr_data *table, unsigned int nr_irqs)
 }
 EXPORT_SYMBOL(make_ipr_irq);
 
-static struct ipr_data sys_ipr_map[] = {
-#ifndef CONFIG_CPU_SUBTYPE_SH7780
-	{ TIMER_IRQ, TIMER_IPR_ADDR, TIMER_IPR_POS, TIMER_PRIORITY },
-	{ TIMER1_IRQ, TIMER1_IPR_ADDR, TIMER1_IPR_POS, TIMER1_PRIORITY },
-#ifdef RTC_IRQ
-	{ RTC_IRQ, RTC_IPR_ADDR, RTC_IPR_POS, RTC_PRIORITY },
-#endif
-#ifdef SCI_ERI_IRQ
-	{ SCI_ERI_IRQ, SCI_IPR_ADDR, SCI_IPR_POS, SCI_PRIORITY },
-	{ SCI_RXI_IRQ, SCI_IPR_ADDR, SCI_IPR_POS, SCI_PRIORITY },
-	{ SCI_TXI_IRQ, SCI_IPR_ADDR, SCI_IPR_POS, SCI_PRIORITY },
-#endif
-#ifdef SCIF1_ERI_IRQ
-	{ SCIF1_ERI_IRQ, SCIF1_IPR_ADDR, SCIF1_IPR_POS, SCIF1_PRIORITY },
-	{ SCIF1_RXI_IRQ, SCIF1_IPR_ADDR, SCIF1_IPR_POS, SCIF1_PRIORITY },
-	{ SCIF1_BRI_IRQ, SCIF1_IPR_ADDR, SCIF1_IPR_POS, SCIF1_PRIORITY },
-	{ SCIF1_TXI_IRQ, SCIF1_IPR_ADDR, SCIF1_IPR_POS, SCIF1_PRIORITY },
-#endif
-#if defined(CONFIG_CPU_SUBTYPE_SH7300)
-	{ SCIF0_IRQ, SCIF0_IPR_ADDR, SCIF0_IPR_POS, SCIF0_PRIORITY },
-	{ DMTE2_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY },
-	{ DMTE3_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY },
-	{ VIO_IRQ, VIO_IPR_ADDR, VIO_IPR_POS, VIO_PRIORITY },
-#endif
-#ifdef SCIF_ERI_IRQ
-	{ SCIF_ERI_IRQ, SCIF_IPR_ADDR, SCIF_IPR_POS, SCIF_PRIORITY },
-	{ SCIF_RXI_IRQ, SCIF_IPR_ADDR, SCIF_IPR_POS, SCIF_PRIORITY },
-	{ SCIF_BRI_IRQ, SCIF_IPR_ADDR, SCIF_IPR_POS, SCIF_PRIORITY },
-	{ SCIF_TXI_IRQ, SCIF_IPR_ADDR, SCIF_IPR_POS, SCIF_PRIORITY },
-#endif
-#ifdef IRDA_ERI_IRQ
-	{ IRDA_ERI_IRQ, IRDA_IPR_ADDR, IRDA_IPR_POS, IRDA_PRIORITY },
-	{ IRDA_RXI_IRQ, IRDA_IPR_ADDR, IRDA_IPR_POS, IRDA_PRIORITY },
-	{ IRDA_BRI_IRQ, IRDA_IPR_ADDR, IRDA_IPR_POS, IRDA_PRIORITY },
-	{ IRDA_TXI_IRQ, IRDA_IPR_ADDR, IRDA_IPR_POS, IRDA_PRIORITY },
-#endif
-#if defined(CONFIG_CPU_SUBTYPE_SH7707) || defined(CONFIG_CPU_SUBTYPE_SH7709) || \
-    defined(CONFIG_CPU_SUBTYPE_SH7706) || \
-    defined(CONFIG_CPU_SUBTYPE_SH7300) || defined(CONFIG_CPU_SUBTYPE_SH7705)
-	/*
-	 * Initialize the Interrupt Controller (INTC)
-	 * registers to their power on values
-	 */
-
-	/*
-	 * Enable external irq (INTC IRQ mode).
-	 * You should set corresponding bits of PFC to "00"
-	 * to enable these interrupts.
-	 */
-	{ IRQ0_IRQ, IRQ0_IPR_ADDR, IRQ0_IPR_POS, IRQ0_PRIORITY },
-	{ IRQ1_IRQ, IRQ1_IPR_ADDR, IRQ1_IPR_POS, IRQ1_PRIORITY },
-	{ IRQ2_IRQ, IRQ2_IPR_ADDR, IRQ2_IPR_POS, IRQ2_PRIORITY },
-	{ IRQ3_IRQ, IRQ3_IPR_ADDR, IRQ3_IPR_POS, IRQ3_PRIORITY },
-	{ IRQ4_IRQ, IRQ4_IPR_ADDR, IRQ4_IPR_POS, IRQ4_PRIORITY },
-	{ IRQ5_IRQ, IRQ5_IPR_ADDR, IRQ5_IPR_POS, IRQ5_PRIORITY },
-#endif
-#endif
-};
-
-void __init init_IRQ(void)
-{
-	make_ipr_irq(sys_ipr_map, ARRAY_SIZE(sys_ipr_map));
-
-#ifdef CONFIG_CPU_HAS_PINT_IRQ
-	init_IRQ_pint();
-#endif
-
-#ifdef CONFIG_CPU_HAS_INTC2_IRQ
-	init_IRQ_intc2();
-#endif
-	/* Perform the machine specific initialisation */
-	if (sh_mv.mv_init_irq != NULL)
-		sh_mv.mv_init_irq();
-
-	irq_ctx_init(smp_processor_id());
-}
-
 #if !defined(CONFIG_CPU_HAS_PINT_IRQ)
 int ipr_irq_demux(int irq)
 {