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author | Paul Mundt <lethal@linux-sh.org> | 2010-10-02 00:43:43 +0900 |
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committer | Paul Mundt <lethal@linux-sh.org> | 2010-10-02 00:43:43 +0900 |
commit | e15f6870a2f2a29abcdb910b80f9629bcf7f5566 (patch) | |
tree | 6b43b8755cc5926692a25c6695d3cbfba360368e | |
parent | 5924ad0d86fbc05bfb0c90afa15e20ccb7155549 (diff) | |
download | op-kernel-dev-e15f6870a2f2a29abcdb910b80f9629bcf7f5566.zip op-kernel-dev-e15f6870a2f2a29abcdb910b80f9629bcf7f5566.tar.gz |
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: Paul Mundt <lethal@linux-sh.org>
-rw-r--r-- | arch/sh/kernel/cpu/sh4a/Makefile | 4 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/sh4a/intc-shx3.c | 34 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/sh4a/setup-sh7786.c | 16 |
3 files changed, 36 insertions, 18 deletions
diff --git a/arch/sh/kernel/cpu/sh4a/Makefile b/arch/sh/kernel/cpu/sh4a/Makefile index b144e8a..f2d6542 100644 --- a/arch/sh/kernel/cpu/sh4a/Makefile +++ b/arch/sh/kernel/cpu/sh4a/Makefile @@ -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 diff --git a/arch/sh/kernel/cpu/sh4a/intc-shx3.c b/arch/sh/kernel/cpu/sh4a/intc-shx3.c new file mode 100644 index 0000000..78c9714 --- /dev/null +++ b/arch/sh/kernel/cpu/sh4a/intc-shx3.c @@ -0,0 +1,34 @@ +/* + * 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); diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7786.c b/arch/sh/kernel/cpu/sh4a/setup-sh7786.c index 8797723..bbc0a97 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7786.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7786.c @@ -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) |