Commit e15f6870 authored by Paul Mundt's avatar Paul Mundt
Browse files

sh: Support userimask for all SH-X3 interrupt controllers. 



This shuffles some of the shared bits out of the 7786 code and in to a
shared SH-X3 support file. Presently just for userimask, but also a good
place for the IRQ balancing wrappers.

Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 5924ad0d

arch/sh/kernel/cpu/sh4a/Makefile

+2 −2
Original line number Diff line number Diff line
@@ -8,13 +8,13 @@ obj-$(CONFIG_CPU_SUBTYPE_SH7763) += setup-sh7763.o 
obj-$(CONFIG_CPU_SUBTYPE_SH7770)	+= setup-sh7770.o

obj-$(CONFIG_CPU_SUBTYPE_SH7780)	+= setup-sh7780.o

obj-$(CONFIG_CPU_SUBTYPE_SH7785)	+= setup-sh7785.o

obj-$(CONFIG_CPU_SUBTYPE_SH7786)	+= setup-sh7786.o

obj-$(CONFIG_CPU_SUBTYPE_SH7786)	+= setup-sh7786.o intc-shx3.o

obj-$(CONFIG_CPU_SUBTYPE_SH7343)	+= setup-sh7343.o

obj-$(CONFIG_CPU_SUBTYPE_SH7722)	+= setup-sh7722.o

obj-$(CONFIG_CPU_SUBTYPE_SH7723)	+= setup-sh7723.o

obj-$(CONFIG_CPU_SUBTYPE_SH7724)	+= setup-sh7724.o

obj-$(CONFIG_CPU_SUBTYPE_SH7366)	+= setup-sh7366.o

obj-$(CONFIG_CPU_SUBTYPE_SHX3)		+= setup-shx3.o

obj-$(CONFIG_CPU_SUBTYPE_SHX3)		+= setup-shx3.o intc-shx3.o



# SMP setup

smp-$(CONFIG_CPU_SHX3)			:= smp-shx3.o

arch/sh/kernel/cpu/sh4a/intc-shx3.c

0 → 100644
+34 −0
Original line number Diff line number Diff line 
/*

 * Shared support for SH-X3 interrupt controllers.

 *

 *  Copyright (C) 2009 - 2010  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/irq.h>

#include <linux/io.h>

#include <linux/init.h>



#define INTACK		0xfe4100b8

#define INTACKCLR	0xfe4100bc

#define INTC_USERIMASK	0xfe411000



#ifdef CONFIG_INTC_BALANCING

unsigned int irq_lookup(unsigned int irq)

{

	return __raw_readl(INTACK) & 1 ? irq : NO_IRQ_IGNORE;

}



void irq_finish(unsigned int irq)

{

	__raw_writel(irq2evt(irq), INTACKCLR);

}

#endif



static int __init shx3_irq_setup(void)

{

	return register_intc_userimask(INTC_USERIMASK);

}

arch_initcall(shx3_irq_setup);

arch/sh/kernel/cpu/sh4a/setup-sh7786.c

+0 −16
Original line number Diff line number Diff line
@@ -756,8 +756,6 @@ static struct intc_vect vectors[] __initdata = { 


#define INTDISTCR0	0xfe4100b0

#define INTDISTCR1	0xfe4100b4

#define INTACK		0xfe4100b8

#define INTACKCLR	0xfe4100bc

#define INT2DISTCR0	0xfe410900

#define INT2DISTCR1	0xfe410904

#define INT2DISTCR2	0xfe410908
@@ -920,19 +918,6 @@ static DECLARE_INTC_DESC(intc_desc_irl4567, "sh7786-irl4567", vectors_irl4567, 
#define INTC_INTMSK2	INTMSK2

#define INTC_INTMSKCLR1	CnINTMSKCLR1

#define INTC_INTMSKCLR2	INTMSKCLR2

#define INTC_USERIMASK	0xfe411000



#ifdef CONFIG_INTC_BALANCING

unsigned int irq_lookup(unsigned int irq)

{

	return __raw_readl(INTACK) & 1 ? irq : NO_IRQ_IGNORE;

}



void irq_finish(unsigned int irq)

{

	__raw_writel(irq2evt(irq), INTACKCLR);

}

#endif



void __init plat_irq_setup(void)

{
@@ -947,7 +932,6 @@ void __init plat_irq_setup(void) 
	__raw_writel(__raw_readl(INTC_ICR0) & ~0x00c00000, INTC_ICR0);



	register_intc_controller(&intc_desc);

	register_intc_userimask(INTC_USERIMASK);

}



void __init plat_irq_setup_pins(int mode)

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