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author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
commit | b4b7ff4b08e691656c9d77c758fc355833128ac0 (patch) | |
tree | 82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /drivers/irqchip/irq-mips-gic.c | |
parent | 35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff) |
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'drivers/irqchip/irq-mips-gic.c')
-rw-r--r-- | drivers/irqchip/irq-mips-gic.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c index aeaa061f0..9e17ef27a 100644 --- a/drivers/irqchip/irq-mips-gic.c +++ b/drivers/irqchip/irq-mips-gic.c @@ -29,6 +29,7 @@ struct gic_pcpu_mask { DECLARE_BITMAP(pcpu_mask, GIC_MAX_INTRS); }; +static unsigned long __gic_base_addr; static void __iomem *gic_base; static struct gic_pcpu_mask pcpu_masks[NR_CPUS]; static DEFINE_SPINLOCK(gic_lock); @@ -301,6 +302,17 @@ int gic_get_c0_fdc_int(void) GIC_LOCAL_TO_HWIRQ(GIC_LOCAL_INT_FDC)); } +int gic_get_usm_range(struct resource *gic_usm_res) +{ + if (!gic_present) + return -1; + + gic_usm_res->start = __gic_base_addr + USM_VISIBLE_SECTION_OFS; + gic_usm_res->end = gic_usm_res->start + (USM_VISIBLE_SECTION_SIZE - 1); + + return 0; +} + static void gic_handle_shared_int(bool chained) { unsigned int i, intr, virq, gic_reg_step = mips_cm_is64 ? 8 : 4; @@ -798,6 +810,8 @@ static void __init __gic_init(unsigned long gic_base_addr, { unsigned int gicconfig; + __gic_base_addr = gic_base_addr; + gic_base = ioremap_nocache(gic_base_addr, gic_addrspace_size); gicconfig = gic_read(GIC_REG(SHARED, GIC_SH_CONFIG)); |