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| author | Changhwan Youn <chaos.youn@samsung.com> | 2011-07-16 10:49:51 +0900 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2011-07-20 23:28:28 +0900 |
| commit | aab74d3e753649defa52ea43cbec1e91ebb4cc8e (patch) | |
| tree | 452f0015f1a78897a8a22ee43ebdc7a8f576c55d /arch/arm/mach-exynos4/cpu.c | |
| parent | e807acbc6fd1d5ff115f9a8eae0c1af6cf1c46c6 (diff) | |
| download | linux-aab74d3e753649defa52ea43cbec1e91ebb4cc8e.tar.gz linux-aab74d3e753649defa52ea43cbec1e91ebb4cc8e.tar.bz2 linux-aab74d3e753649defa52ea43cbec1e91ebb4cc8e.zip | |
ARM: EXYNOS4: Add support external GIC
For full support of power modes, this patch adds implementation
external GIC on EXYNOS4.
External GIC of Exynos4 cannot support register banking so
several interrupt related code for CPU1 should be different
from that of CPU0.
Signed-off-by: Changhwan Youn <chaos.youn@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/mach-exynos4/cpu.c')
| -rw-r--r-- | arch/arm/mach-exynos4/cpu.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos4/cpu.c b/arch/arm/mach-exynos4/cpu.c index 1aaad56ca7e7..7dccf4ab11ff 100644 --- a/arch/arm/mach-exynos4/cpu.c +++ b/arch/arm/mach-exynos4/cpu.c @@ -16,6 +16,7 @@ #include <asm/proc-fns.h> #include <asm/hardware/cache-l2x0.h> +#include <asm/hardware/gic.h> #include <plat/cpu.h> #include <plat/clock.h> @@ -160,11 +161,20 @@ void __init exynos4_init_clocks(int xtal) exynos4_setup_clocks(); } +static void exynos4_gic_irq_eoi(struct irq_data *d) +{ + struct gic_chip_data *gic_data = irq_data_get_irq_chip_data(d); + + gic_data->cpu_base = S5P_VA_GIC_CPU + + (EXYNOS4_GIC_BANK_OFFSET * smp_processor_id()); +} + void __init exynos4_init_irq(void) { int irq; gic_init(0, IRQ_LOCALTIMER, S5P_VA_GIC_DIST, S5P_VA_GIC_CPU); + gic_arch_extn.irq_eoi = exynos4_gic_irq_eoi; for (irq = 0; irq < MAX_COMBINER_NR; irq++) { |