-#define HYPERTRANSPORT_EOI 0xbb0006E0 /* End of Interrupt */
-#define HYPERTRANSPORT_INTA 0x78 /* INTA# */
-#define HYPERTRANSPORT_INTB 0x79 /* INTB# */
-#define HYPERTRANSPORT_INTC 0x7a /* INTC# */
-#define HYPERTRANSPORT_INTD 0x7b /* INTD# */
-
-#define read_32bit_cp0_set1_register(source) \
-({ int __res; \
- __asm__ __volatile__( \
- ".set\tpush\n\t" \
- ".set\treorder\n\t" \
- "cfc0\t%0,"STR(source)"\n\t" \
- ".set\tpop" \
- : "=r" (__res)); \
- __res;})
-
-#define write_32bit_cp0_set1_register(register,value) \
- __asm__ __volatile__( \
- "ctc0\t%0,"STR(register)"\n\t" \
- "nop" \
- : : "r" (value));
-
-static spinlock_t irq_lock = SPIN_LOCK_UNLOCKED;
-
-/* Function for careful CP0 interrupt mask access */
-static inline void modify_cp0_intmask(unsigned clr_mask_in, unsigned set_mask_in)
-{
- unsigned long status;
- unsigned clr_mask;
- unsigned set_mask;
-
- /* do the low 8 bits first */
- clr_mask = 0xff & clr_mask_in;
- set_mask = 0xff & set_mask_in;
- status = read_c0_status();
- status &= ~((clr_mask & 0xFF) << 8);
- status |= (set_mask & 0xFF) << 8 | 0x0000FF00;
- write_c0_status(status);
-
- /* do the high 8 bits */
- clr_mask = 0xff & (clr_mask_in >> 8);
- set_mask = 0xff & (set_mask_in >> 8);
- status = read_32bit_cp0_set1_register(CP0_S1_INTCONTROL);
- status &= ~((clr_mask & 0xFF) << 8);
- status |= (set_mask & 0xFF) << 8;
- write_32bit_cp0_set1_register(CP0_S1_INTCONTROL, status);
-}
-
-static inline void mask_irq(unsigned int irq)
-{
- modify_cp0_intmask(irq, 0);
-}
-
-static inline void unmask_irq(unsigned int irq)
-{
- modify_cp0_intmask(0, irq);
-}
-
-static void enable_rm9000_irq(unsigned int irq)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&irq_lock, flags);
- unmask_irq(1 << (irq-1));
- spin_unlock_irqrestore(&irq_lock, flags);
-}
-
-static unsigned int startup_rm9000_irq(unsigned int irq)
-{
- enable_rm9000_irq(irq);
-
- return 0; /* never anything pending */
-}
-
-static void disable_rm9000_irq(unsigned int irq)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&irq_lock, flags);
- mask_irq(1 << (irq-1));
- spin_unlock_irqrestore(&irq_lock, flags);
-}
-
-#define shutdown_rm9000_irq disable_rm9000_irq
-
-static void mask_and_ack_rm9000_irq(unsigned int irq)
-{
- mask_irq(1 << (irq-1));
-}
-
-static void end_rm9000_irq(unsigned int irq)
-{
- if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
- unmask_irq(1 << (irq-1));
-}
-
-static struct hw_interrupt_type rm9000_hpcdma_irq_type = {
- "RM9000",
- startup_rm9000_irq,
- shutdown_rm9000_irq,
- enable_rm9000_irq,
- disable_rm9000_irq,
- mask_and_ack_rm9000_irq,
- end_rm9000_irq,
- NULL
-};