diff options
| -rw-r--r-- | arch/arm/mach-exynos/include/mach/irqs.h | 5 | ||||
| -rw-r--r-- | drivers/irqchip/exynos-combiner.c | 50 |
2 files changed, 41 insertions, 14 deletions
diff --git a/arch/arm/mach-exynos/include/mach/irqs.h b/arch/arm/mach-exynos/include/mach/irqs.h index c0e75d8dd737..387490661403 100644 --- a/arch/arm/mach-exynos/include/mach/irqs.h +++ b/arch/arm/mach-exynos/include/mach/irqs.h @@ -166,7 +166,10 @@ #define EXYNOS4_IRQ_FIMD0_VSYNC COMBINER_IRQ(11, 1) #define EXYNOS4_IRQ_FIMD0_SYSTEM COMBINER_IRQ(11, 2) -#define EXYNOS4_MAX_COMBINER_NR 16 +#define EXYNOS4210_MAX_COMBINER_NR 16 +#define EXYNOS4212_MAX_COMBINER_NR 18 +#define EXYNOS4412_MAX_COMBINER_NR 20 +#define EXYNOS4_MAX_COMBINER_NR EXYNOS4412_MAX_COMBINER_NR #define EXYNOS4_IRQ_GPIO1_NR_GROUPS 16 #define EXYNOS4_IRQ_GPIO2_NR_GROUPS 9 diff --git a/drivers/irqchip/exynos-combiner.c b/drivers/irqchip/exynos-combiner.c index b5ff271bfd64..e8501dbaa0b7 100644 --- a/drivers/irqchip/exynos-combiner.c +++ b/drivers/irqchip/exynos-combiner.c @@ -112,16 +112,22 @@ static struct irq_chip combiner_chip = { #endif }; -static void __init combiner_cascade_irq(unsigned int combiner_nr, unsigned int irq) +static unsigned int max_combiner_nr(void) { - unsigned int max_nr; - if (soc_is_exynos5250()) - max_nr = EXYNOS5_MAX_COMBINER_NR; + return EXYNOS5_MAX_COMBINER_NR; + else if (soc_is_exynos4412()) + return EXYNOS4412_MAX_COMBINER_NR; + else if (soc_is_exynos4212()) + return EXYNOS4212_MAX_COMBINER_NR; else - max_nr = EXYNOS4_MAX_COMBINER_NR; + return EXYNOS4210_MAX_COMBINER_NR; +} - if (combiner_nr >= max_nr) +static void __init combiner_cascade_irq(unsigned int combiner_nr, + unsigned int irq) +{ + if (combiner_nr >= max_combiner_nr()) BUG(); if (irq_set_handler_data(irq, &combiner_data[combiner_nr]) != 0) BUG(); @@ -186,23 +192,38 @@ static struct irq_domain_ops combiner_irq_domain_ops = { .map = combiner_irq_domain_map, }; +static unsigned int exynos4x12_combiner_extra_irq(int group) +{ + switch (group) { + case 16: + return IRQ_SPI(107); + case 17: + return IRQ_SPI(108); + case 18: + return IRQ_SPI(48); + case 19: + return IRQ_SPI(42); + default: + return 0; + } +} + void __init combiner_init(void __iomem *combiner_base, struct device_node *np) { int i, irq, irq_base; unsigned int max_nr, nr_irq; + max_nr = max_combiner_nr(); + if (np) { if (of_property_read_u32(np, "samsung,combiner-nr", &max_nr)) { - pr_warning("%s: number of combiners not specified, " + pr_info("%s: number of combiners not specified, " "setting default as %d.\n", - __func__, EXYNOS4_MAX_COMBINER_NR); - max_nr = EXYNOS4_MAX_COMBINER_NR; + __func__, max_nr); } - } else { - max_nr = soc_is_exynos5250() ? EXYNOS5_MAX_COMBINER_NR : - EXYNOS4_MAX_COMBINER_NR; } + nr_irq = max_nr * MAX_IRQ_IN_COMBINER; irq_base = irq_alloc_descs(COMBINER_IRQ(0, 0), 1, nr_irq, 0); @@ -219,7 +240,10 @@ void __init combiner_init(void __iomem *combiner_base, } for (i = 0; i < max_nr; i++) { - irq = IRQ_SPI(i); + if (i < EXYNOS4210_MAX_COMBINER_NR || soc_is_exynos5250()) + irq = IRQ_SPI(i); + else + irq = exynos4x12_combiner_extra_irq(i); #ifdef CONFIG_OF if (np) irq = irq_of_parse_and_map(np, i); |