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Diffstat (limited to 'arch/score/kernel')
-rw-r--r--arch/score/kernel/irq.c33
1 files changed, 23 insertions, 10 deletions
diff --git a/arch/score/kernel/irq.c b/arch/score/kernel/irq.c
index 55474e8e9725..47647dde09ca 100644
--- a/arch/score/kernel/irq.c
+++ b/arch/score/kernel/irq.c
@@ -29,6 +29,19 @@
#include <asm/io.h>
+/* the interrupt controller is hardcoded at this address */
+#define SCORE_PIC ((u32 __iomem __force *)0x95F50000)
+
+#define INT_PNDL 0
+#define INT_PNDH 1
+#define INT_PRIORITY_M 2
+#define INT_PRIORITY_SG0 4
+#define INT_PRIORITY_SG1 5
+#define INT_PRIORITY_SG2 6
+#define INT_PRIORITY_SG3 7
+#define INT_MASKL 8
+#define INT_MASKH 9
+
/*
* handles all normal device IRQs
*/
@@ -44,11 +57,11 @@ static void score_mask(unsigned int irq_nr)
unsigned int irq_source = 63 - irq_nr;
if (irq_source < 32)
- __raw_writel((__raw_readl((void *)P_INT_MASKL) | \
- (1 << irq_source)), (void *)P_INT_MASKL);
+ __raw_writel((__raw_readl(SCORE_PIC + INT_MASKL) | \
+ (1 << irq_source)), SCORE_PIC + INT_MASKL);
else
- __raw_writel((__raw_readl((void *)P_INT_MASKH) | \
- (1 << (irq_source - 32))), (void *)P_INT_MASKH);
+ __raw_writel((__raw_readl(SCORE_PIC + INT_MASKH) | \
+ (1 << (irq_source - 32))), SCORE_PIC + INT_MASKH);
}
static void score_unmask(unsigned int irq_nr)
@@ -56,11 +69,11 @@ static void score_unmask(unsigned int irq_nr)
unsigned int irq_source = 63 - irq_nr;
if (irq_source < 32)
- __raw_writel((__raw_readl((void *)P_INT_MASKL) & \
- ~(1 << irq_source)), (void *)P_INT_MASKL);
+ __raw_writel((__raw_readl(SCORE_PIC + INT_MASKL) & \
+ ~(1 << irq_source)), SCORE_PIC + INT_MASKL);
else
- __raw_writel((__raw_readl((void *)P_INT_MASKH) & \
- ~(1 << (irq_source - 32))), (void *)P_INT_MASKH);
+ __raw_writel((__raw_readl(SCORE_PIC + INT_MASKH) & \
+ ~(1 << (irq_source - 32))), SCORE_PIC + INT_MASKH);
}
struct irq_chip score_irq_chip = {
@@ -88,8 +101,8 @@ void __init init_IRQ(void)
memcpy((void *)target_addr, \
interrupt_exception_vector, IRQ_VECTOR_SIZE);
- __raw_writel(0xffffffff, (void *)P_INT_MASKL);
- __raw_writel(0xffffffff, (void *)P_INT_MASKH);
+ __raw_writel(0xffffffff, SCORE_PIC + INT_MASKL);
+ __raw_writel(0xffffffff, SCORE_PIC + INT_MASKH);
__asm__ __volatile__(
"mtcr %0, cr3\n\t"