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| author | Kukjin Kim <kgene.kim@samsung.com> | 2010-12-31 08:01:08 +0900 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2010-12-31 08:01:08 +0900 |
| commit | fa353e9f409340cefc7650854065cbcea85c347d (patch) | |
| tree | c98cc2835f8fd5f9b27a08ecc95afae8f38b3ec2 | |
| parent | a8928ce7e09eed34b59525779cb833f8438d0733 (diff) | |
| parent | 85140ad591e696bc88b0ad7c978256f91099e6c9 (diff) | |
| download | kernel_samsung_espresso10-fa353e9f409340cefc7650854065cbcea85c347d.zip kernel_samsung_espresso10-fa353e9f409340cefc7650854065cbcea85c347d.tar.gz kernel_samsung_espresso10-fa353e9f409340cefc7650854065cbcea85c347d.tar.bz2 | |
Merge branch 'dev/s5pv310-irq' into next-s5pv310
| -rw-r--r-- | arch/arm/mach-s5pv310/cpu.c | 9 | ||||
| -rw-r--r-- | arch/arm/mach-s5pv310/include/mach/irqs.h | 13 | ||||
| -rw-r--r-- | arch/arm/mach-s5pv310/irq-combiner.c | 6 |
3 files changed, 24 insertions, 4 deletions
diff --git a/arch/arm/mach-s5pv310/cpu.c b/arch/arm/mach-s5pv310/cpu.c index 7b6e066..9900464 100644 --- a/arch/arm/mach-s5pv310/cpu.c +++ b/arch/arm/mach-s5pv310/cpu.c @@ -132,6 +132,15 @@ void __init s5pv310_init_irq(void) gic_cpu_init(0, S5P_VA_GIC_CPU); for (irq = 0; irq < MAX_COMBINER_NR; irq++) { + + /* + * From SPI(0) to SPI(39) and SPI(51), SPI(53) are + * connected to the interrupt combiner. These irqs + * should be initialized to support cascade interrupt. + */ + if ((irq >= 40) && !(irq == 51) && !(irq == 53)) + continue; + combiner_init(irq, (void __iomem *)S5P_VA_COMBINER(irq), COMBINER_IRQ(irq, 0)); combiner_cascade_irq(irq, IRQ_SPI(irq)); diff --git a/arch/arm/mach-s5pv310/include/mach/irqs.h b/arch/arm/mach-s5pv310/include/mach/irqs.h index 99e7dad..f9a2830 100644 --- a/arch/arm/mach-s5pv310/include/mach/irqs.h +++ b/arch/arm/mach-s5pv310/include/mach/irqs.h @@ -25,6 +25,8 @@ #define IRQ_SPI(x) S5P_IRQ(x+32) +#define IRQ_MCT1 IRQ_SPI(35) + #define IRQ_EINT0 IRQ_SPI(40) #define IRQ_EINT1 IRQ_SPI(41) #define IRQ_EINT2 IRQ_SPI(42) @@ -36,9 +38,8 @@ #define IRQ_JPEG IRQ_SPI(48) #define IRQ_2D IRQ_SPI(49) #define IRQ_PCIE IRQ_SPI(50) -#define IRQ_SYSTEM_TIMER IRQ_SPI(51) +#define IRQ_MCT0 IRQ_SPI(51) #define IRQ_MFC IRQ_SPI(52) -#define IRQ_WDT IRQ_SPI(53) #define IRQ_AUDIO_SS IRQ_SPI(54) #define IRQ_AC97 IRQ_SPI(55) #define IRQ_SPDIF IRQ_SPI(56) @@ -85,6 +86,8 @@ #define IRQ_ONENAND_AUDI COMBINER_IRQ(34, 0) +#define IRQ_MCT_L1 COMBINER_IRQ(35, 3) + #define IRQ_EINT4 COMBINER_IRQ(37, 0) #define IRQ_EINT5 COMBINER_IRQ(37, 1) #define IRQ_EINT6 COMBINER_IRQ(37, 2) @@ -101,7 +104,11 @@ #define IRQ_EINT16_31 COMBINER_IRQ(39, 0) -#define MAX_COMBINER_NR 40 +#define IRQ_MCT_L0 COMBINER_IRQ(51, 0) + +#define IRQ_WDT COMBINER_IRQ(53, 0) + +#define MAX_COMBINER_NR 54 #define S5P_IRQ_EINT_BASE COMBINER_IRQ(MAX_COMBINER_NR, 0) diff --git a/arch/arm/mach-s5pv310/irq-combiner.c b/arch/arm/mach-s5pv310/irq-combiner.c index c3f88c3..aad5c3d 100644 --- a/arch/arm/mach-s5pv310/irq-combiner.c +++ b/arch/arm/mach-s5pv310/irq-combiner.c @@ -24,6 +24,7 @@ static DEFINE_SPINLOCK(irq_controller_lock); struct combiner_chip_data { unsigned int irq_offset; + unsigned int irq_mask; void __iomem *base; }; @@ -62,6 +63,7 @@ static void combiner_handle_cascade_irq(unsigned int irq, struct irq_desc *desc) spin_lock(&irq_controller_lock); status = __raw_readl(chip_data->base + COMBINER_INT_STATUS); spin_unlock(&irq_controller_lock); + status &= chip_data->irq_mask; if (status == 0) goto out; @@ -104,10 +106,12 @@ void __init combiner_init(unsigned int combiner_nr, void __iomem *base, combiner_data[combiner_nr].base = base; combiner_data[combiner_nr].irq_offset = irq_start; + combiner_data[combiner_nr].irq_mask = 0xff << ((combiner_nr % 4) << 3); /* Disable all interrupts */ - __raw_writel(0xffffffff, base + COMBINER_ENABLE_CLEAR); + __raw_writel(combiner_data[combiner_nr].irq_mask, + base + COMBINER_ENABLE_CLEAR); /* Setup the Linux IRQ subsystem */ |