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| author | Changhwan Youn <chaos.youn@samsung.com> | 2011-10-04 10:02:58 +0200 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2011-10-04 11:34:59 +0200 |
| commit | 637c2afa57ec9cd0ddc8879ea0cda4d8835ba71d (patch) | |
| tree | 6197343d6c335c7b682b70dac173c1b39e171a53 /arch/arm/mach-exynos4/cpu.c | |
| parent | ARM: EXYNOS4: convert boot_params to atag_offset (diff) | |
| download | linux-637c2afa57ec9cd0ddc8879ea0cda4d8835ba71d.tar.xz linux-637c2afa57ec9cd0ddc8879ea0cda4d8835ba71d.zip | |
ARM: EXYNOS4: Add support PPI in external GIC
To support PPI in external GIC of EXYNOS4 SoCs,
gic_arch_extn.irq_eoi, irq_unmask and irq_mask are
fixed. This patch is necessary because external GIC of EXYNOS4
cannot support register banking.
Signed-off-by: Changhwan Youn <chaos.youn@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to '')
| -rw-r--r-- | arch/arm/mach-exynos4/cpu.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/arm/mach-exynos4/cpu.c b/arch/arm/mach-exynos4/cpu.c index 02ec52a99274..35fe8421bc34 100644 --- a/arch/arm/mach-exynos4/cpu.c +++ b/arch/arm/mach-exynos4/cpu.c @@ -198,20 +198,25 @@ void __init exynos4_init_clocks(int xtal) exynos4_setup_clocks(); } -static void exynos4_gic_irq_eoi(struct irq_data *d) +static void exynos4_gic_irq_fix_base(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()); + + gic_data->dist_base = S5P_VA_GIC_DIST + + (EXYNOS4_GIC_BANK_OFFSET * smp_processor_id()); } void __init exynos4_init_irq(void) { int irq; - gic_init(0, IRQ_SPI(0), S5P_VA_GIC_DIST, S5P_VA_GIC_CPU); - gic_arch_extn.irq_eoi = exynos4_gic_irq_eoi; + gic_init(0, IRQ_PPI(0), S5P_VA_GIC_DIST, S5P_VA_GIC_CPU); + gic_arch_extn.irq_eoi = exynos4_gic_irq_fix_base; + gic_arch_extn.irq_unmask = exynos4_gic_irq_fix_base; + gic_arch_extn.irq_mask = exynos4_gic_irq_fix_base; for (irq = 0; irq < MAX_COMBINER_NR; irq++) { |