static int rbtx4938_irq_dispatch(int pending) { int irq; if (pending & STATUSF_IP7) irq = MIPS_CPU_IRQ_BASE + 7; else if (pending & STATUSF_IP2) { irq = txx9_irq(); if (irq == RBTX4938_IRQ_IOCINT) irq = toshiba_rbtx4938_irq_nested(irq); } else if (pending & STATUSF_IP1) irq = MIPS_CPU_IRQ_BASE + 0; else if (pending & STATUSF_IP0) irq = MIPS_CPU_IRQ_BASE + 1; else irq = -1; return irq; }
static int rbtx4927_irq_dispatch(int pending) { int irq; if (pending & STATUSF_IP7) /* cpu timer */ irq = MIPS_CPU_IRQ_BASE + 7; else if (pending & STATUSF_IP2) { /* tx4927 pic */ irq = txx9_irq(); if (irq == RBTX4927_IRQ_IOCINT) irq = toshiba_rbtx4927_irq_nested(irq); } else if (pending & STATUSF_IP0) /* user line 0 */ irq = MIPS_CPU_IRQ_BASE + 0; else if (pending & STATUSF_IP1) /* user line 1 */ irq = MIPS_CPU_IRQ_BASE + 1; else irq = -1; return irq; }
asmlinkage void plat_irq_dispatch(void) { unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM; if (pending & STATUSF_IP7) /* cpu timer */ do_IRQ(TX4927_IRQ_CPU_TIMER); else if (pending & STATUSF_IP2) { /* tx4927 pic */ int irq = txx9_irq(); #ifdef CONFIG_TOSHIBA_RBTX4927 if (irq == TX4927_IRQ_NEST_EXT_ON_PIC) irq = toshiba_rbtx4927_irq_nested(irq); #endif if (unlikely(irq < 0)) { spurious_interrupt(); return; } do_IRQ(irq); } else if (pending & STATUSF_IP0) /* user line 0 */ do_IRQ(TX4927_IRQ_USER0); else if (pending & STATUSF_IP1) /* user line 1 */ do_IRQ(TX4927_IRQ_USER1); else spurious_interrupt(); }