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-rw-r--r--drivers/irqchip/Kconfig1
-rw-r--r--drivers/irqchip/irq-gic.c7
-rw-r--r--drivers/irqchip/irq-versatile-fpga.c18
3 files changed, 23 insertions, 3 deletions
diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig
index bbb746e35500..e7028681aa70 100644
--- a/drivers/irqchip/Kconfig
+++ b/drivers/irqchip/Kconfig
@@ -23,7 +23,6 @@ config ARM_VIC
config ARM_VIC_NR
int
default 4 if ARCH_S5PV210
- default 3 if ARCH_S5PC100
default 2
depends on ARM_VIC
help
diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
index 7e11c9d6ae8c..7c131cf7cc13 100644
--- a/drivers/irqchip/irq-gic.c
+++ b/drivers/irqchip/irq-gic.c
@@ -42,6 +42,7 @@
#include <linux/irqchip/chained_irq.h>
#include <linux/irqchip/arm-gic.h>
+#include <asm/cputype.h>
#include <asm/irq.h>
#include <asm/exception.h>
#include <asm/smp_plat.h>
@@ -954,7 +955,9 @@ void __init gic_init_bases(unsigned int gic_nr, int irq_start,
}
for_each_possible_cpu(cpu) {
- unsigned long offset = percpu_offset * cpu_logical_map(cpu);
+ u32 mpidr = cpu_logical_map(cpu);
+ u32 core_id = MPIDR_AFFINITY_LEVEL(mpidr, 0);
+ unsigned long offset = percpu_offset * core_id;
*per_cpu_ptr(gic->dist_base.percpu_base, cpu) = dist_base + offset;
*per_cpu_ptr(gic->cpu_base.percpu_base, cpu) = cpu_base + offset;
}
@@ -1071,8 +1074,10 @@ gic_of_init(struct device_node *node, struct device_node *parent)
gic_cnt++;
return 0;
}
+IRQCHIP_DECLARE(gic_400, "arm,gic-400", gic_of_init);
IRQCHIP_DECLARE(cortex_a15_gic, "arm,cortex-a15-gic", gic_of_init);
IRQCHIP_DECLARE(cortex_a9_gic, "arm,cortex-a9-gic", gic_of_init);
+IRQCHIP_DECLARE(cortex_a7_gic, "arm,cortex-a7-gic", gic_of_init);
IRQCHIP_DECLARE(msm_8660_qgic, "qcom,msm-8660-qgic", gic_of_init);
IRQCHIP_DECLARE(msm_qgic2, "qcom,msm-qgic2", gic_of_init);
diff --git a/drivers/irqchip/irq-versatile-fpga.c b/drivers/irqchip/irq-versatile-fpga.c
index 3ae2bb8d9cf2..ccf58548b161 100644
--- a/drivers/irqchip/irq-versatile-fpga.c
+++ b/drivers/irqchip/irq-versatile-fpga.c
@@ -14,6 +14,8 @@
#include <asm/exception.h>
#include <asm/mach/irq.h>
+#include "irqchip.h"
+
#define IRQ_STATUS 0x00
#define IRQ_RAW_STATUS 0x04
#define IRQ_ENABLE_SET 0x08
@@ -26,6 +28,8 @@
#define FIQ_ENABLE_SET 0x28
#define FIQ_ENABLE_CLEAR 0x2C
+#define PIC_ENABLES 0x20 /* set interrupt pass through bits */
+
/**
* struct fpga_irq_data - irq data container for the FPGA IRQ controller
* @base: memory offset in virtual memory
@@ -201,14 +205,26 @@ int __init fpga_irq_of_init(struct device_node *node,
/* Some chips are cascaded from a parent IRQ */
parent_irq = irq_of_parse_and_map(node, 0);
- if (!parent_irq)
+ if (!parent_irq) {
+ set_handle_irq(fpga_handle_irq);
parent_irq = -1;
+ }
fpga_irq_init(base, node->name, 0, parent_irq, valid_mask, node);
writel(clear_mask, base + IRQ_ENABLE_CLEAR);
writel(clear_mask, base + FIQ_ENABLE_CLEAR);
+ /*
+ * On Versatile AB/PB, some secondary interrupts have a direct
+ * pass-thru to the primary controller for IRQs 20 and 22-31 which need
+ * to be enabled. See section 3.10 of the Versatile AB user guide.
+ */
+ if (of_device_is_compatible(node, "arm,versatile-sic"))
+ writel(0xffd00000, base + PIC_ENABLES);
+
return 0;
}
+IRQCHIP_DECLARE(arm_fpga, "arm,versatile-fpga-irq", fpga_irq_of_init);
+IRQCHIP_DECLARE(arm_fpga_sic, "arm,versatile-sic", fpga_irq_of_init);
#endif
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