diff options
Diffstat (limited to 'arch/score/kernel/irq.c')
| -rw-r--r-- | arch/score/kernel/irq.c | 33 |
1 files changed, 23 insertions, 10 deletions
diff --git a/arch/score/kernel/irq.c b/arch/score/kernel/irq.c index 55474e8..47647dd 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" |