void __init arch_init_irq(void) { int i; /* Init local mask --> irq tables. */ for (i = 0; i < 256; i++) { if (i & 0x80) { lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 7; lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 7; lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 7; lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 7; } else if (i & 0x40) { lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 6; lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 6; lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 6; lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 6; } else if (i & 0x20) { lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 5; lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 5; lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 5; lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 5; } else if (i & 0x10) { lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 4; lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 4; lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 4; lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 4; } else if (i & 0x08) { lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 3; lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 3; lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 3; lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 3; } else if (i & 0x04) { lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 2; lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 2; lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 2; lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 2; } else if (i & 0x02) { lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 1; lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 1; lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 1; lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 1; } else if (i & 0x01) { lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 0; lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 0; lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 0; lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 0; } else { lc0msk_to_irqnr[i] = 0; lc1msk_to_irqnr[i] = 0; lc2msk_to_irqnr[i] = 0; lc3msk_to_irqnr[i] = 0; } } /* Mask out all interrupts. */ sgint->imask0 = 0; sgint->imask1 = 0; sgint->cmeimask0 = 0; sgint->cmeimask1 = 0; /* init CPU irqs */ mips_cpu_irq_init(); for (i = SGINT_LOCAL0; i < SGI_INTERRUPTS; i++) { struct irq_chip *handler; if (i < SGINT_LOCAL1) handler = &ip22_local0_irq_type; else if (i < SGINT_LOCAL2) handler = &ip22_local1_irq_type; else if (i < SGINT_LOCAL3) handler = &ip22_local2_irq_type; else handler = &ip22_local3_irq_type; set_irq_chip_and_handler(i, handler, handle_level_irq); } /* vector handler. this register the IRQ as non-sharable */ setup_irq(SGI_LOCAL_0_IRQ, &local0_cascade); setup_irq(SGI_LOCAL_1_IRQ, &local1_cascade); setup_irq(SGI_BUSERR_IRQ, &buserr); /* cascade in cascade. i love Indy ;-) */ setup_irq(SGI_MAP_0_IRQ, &map0_cascade); #ifdef USE_LIO3_IRQ setup_irq(SGI_MAP_1_IRQ, &map1_cascade); #endif #ifdef CONFIG_EISA if (ip22_is_fullhouse()) /* Only Indigo-2 has EISA stuff */ ip22_eisa_init(); #endif }
void __init init_IRQ(void) { int i; /* Init local mask --> irq tables. */ for (i = 0; i < 256; i++) { if (i & 0x80) { lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 7; lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 7; lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 7; lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 7; } else if (i & 0x40) { lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 6; lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 6; lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 6; lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 6; } else if (i & 0x20) { lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 5; lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 5; lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 5; lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 5; } else if (i & 0x10) { lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 4; lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 4; lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 4; lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 4; } else if (i & 0x08) { lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 3; lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 3; lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 3; lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 3; } else if (i & 0x04) { lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 2; lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 2; lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 2; lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 2; } else if (i & 0x02) { lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 1; lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 1; lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 1; lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 1; } else if (i & 0x01) { lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 0; lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 0; lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 0; lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 0; } else { lc0msk_to_irqnr[i] = 0; lc1msk_to_irqnr[i] = 0; lc2msk_to_irqnr[i] = 0; lc3msk_to_irqnr[i] = 0; } } /* Mask out all interrupts. */ sgint->imask0 = 0; sgint->imask1 = 0; sgint->cmeimask0 = 0; sgint->cmeimask1 = 0; set_except_vector(0, indyIRQ); init_generic_irq(); /* init CPU irqs */ mips_cpu_irq_init(SGINT_CPU); for (i = SGINT_LOCAL0; i < SGI_INTERRUPTS; i++) { hw_irq_controller *handler; if (i < SGINT_LOCAL1) handler = &ip22_local0_irq_type; else if (i < SGINT_LOCAL2) handler = &ip22_local1_irq_type; else if (i < SGINT_LOCAL3) handler = &ip22_local2_irq_type; else handler = &ip22_local3_irq_type; irq_desc[i].status = IRQ_DISABLED; irq_desc[i].action = 0; irq_desc[i].depth = 1; irq_desc[i].handler = handler; } /* vector handler. this register the IRQ as non-sharable */ setup_irq(SGI_LOCAL_0_IRQ, &local0_cascade); setup_irq(SGI_LOCAL_1_IRQ, &local1_cascade); setup_irq(SGI_BUSERR_IRQ, &buserr); /* cascade in cascade. i love Indy ;-) */ setup_irq(SGI_MAP_0_IRQ, &map0_cascade); #ifdef USE_LIO3_IRQ setup_irq(SGI_MAP_1_IRQ, &map1_cascade); #endif #ifdef CONFIG_EISA if (ip22_is_fullhouse()) /* Only Indigo-2 has EISA stuff */ ip22_eisa_init (); #endif }
void __init init_IRQ(void) { int i; sgi_i2regs = (struct sgi_int2_regs *) (KSEG1 + SGI_INT2_BASE); sgi_i3regs = (struct sgi_int3_regs *) (KSEG1 + SGI_INT3_BASE); /* Init local mask --> irq tables. */ for (i = 0; i < 256; i++) { if (i & 0x80) { lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 7; lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 7; lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 7; lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 7; } else if (i & 0x40) { lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 6; lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 6; lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 6; lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 6; } else if (i & 0x20) { lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 5; lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 5; lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 5; lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 5; } else if (i & 0x10) { lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 4; lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 4; lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 4; lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 4; } else if (i & 0x08) { lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 3; lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 3; lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 3; lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 3; } else if (i & 0x04) { lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 2; lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 2; lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 2; lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 2; } else if (i & 0x02) { lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 1; lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 1; lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 1; lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 1; } else if (i & 0x01) { lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 0; lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 0; lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 0; lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 0; } else { lc0msk_to_irqnr[i] = 0; lc1msk_to_irqnr[i] = 0; lc2msk_to_irqnr[i] = 0; lc3msk_to_irqnr[i] = 0; } } /* Indy uses an INT3, Indigo2 uses an INT2 */ if (sgi_guiness) { ioc_icontrol = &sgi_i3regs->ints; ioc_timers = &sgi_i3regs->timers; ioc_tclear = &sgi_i3regs->tclear; } else { ioc_icontrol = &sgi_i2regs->ints; ioc_timers = &sgi_i2regs->timers; ioc_tclear = &sgi_i2regs->tclear; } /* Mask out all interrupts. */ ioc_icontrol->imask0 = 0; ioc_icontrol->imask1 = 0; ioc_icontrol->cmeimask0 = 0; ioc_icontrol->cmeimask1 = 0; set_except_vector(0, indyIRQ); init_generic_irq(); /* init CPU irqs */ mips_cpu_irq_init(SGINT_CPU); for (i = SGINT_LOCAL0; i < SGINT_END; i++) { hw_irq_controller *handler; if (i < SGINT_LOCAL1) handler = &ip22_local0_irq_type; else if (i < SGINT_LOCAL2) handler = &ip22_local1_irq_type; else if (i < SGINT_LOCAL3) handler = &ip22_local2_irq_type; else handler = &ip22_local3_irq_type; irq_desc[i].status = IRQ_DISABLED; irq_desc[i].action = 0; irq_desc[i].depth = 1; irq_desc[i].handler = handler; } /* vector handler. this register the IRQ as non-sharable */ setup_irq(SGI_LOCAL_0_IRQ, &local0_cascade); setup_irq(SGI_LOCAL_1_IRQ, &local1_cascade); setup_irq(SGI_BUSERR_IRQ, &buserr); /* cascade in cascade. i love Indy ;-) */ setup_irq(SGI_MAP_0_IRQ, &map0_cascade); #ifdef I_REALLY_NEED_THIS_IRQ setup_irq(SGI_MAP_1_IRQ, &map1_cascade); #endif #ifdef CONFIG_IP22_EISA if (!sgi_guiness) /* Only Indigo-2 have EISA stuff */ ip22_eisa_init (); #endif }
void __init arch_init_irq(void) { int i; for (i = 0; i < 256; i++) { if (i & 0x80) { lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 7; lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 7; lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 7; lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 7; } else if (i & 0x40) { lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 6; lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 6; lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 6; lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 6; } else if (i & 0x20) { lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 5; lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 5; lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 5; lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 5; } else if (i & 0x10) { lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 4; lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 4; lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 4; lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 4; } else if (i & 0x08) { lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 3; lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 3; lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 3; lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 3; } else if (i & 0x04) { lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 2; lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 2; lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 2; lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 2; } else if (i & 0x02) { lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 1; lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 1; lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 1; lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 1; } else if (i & 0x01) { lc0msk_to_irqnr[i] = SGINT_LOCAL0 + 0; lc1msk_to_irqnr[i] = SGINT_LOCAL1 + 0; lc2msk_to_irqnr[i] = SGINT_LOCAL2 + 0; lc3msk_to_irqnr[i] = SGINT_LOCAL3 + 0; } else { lc0msk_to_irqnr[i] = 0; lc1msk_to_irqnr[i] = 0; lc2msk_to_irqnr[i] = 0; lc3msk_to_irqnr[i] = 0; } } sgint->imask0 = 0; sgint->imask1 = 0; sgint->cmeimask0 = 0; sgint->cmeimask1 = 0; mips_cpu_irq_init(); for (i = SGINT_LOCAL0; i < SGI_INTERRUPTS; i++) { struct irq_chip *handler; if (i < SGINT_LOCAL1) handler = &ip22_local0_irq_type; else if (i < SGINT_LOCAL2) handler = &ip22_local1_irq_type; else if (i < SGINT_LOCAL3) handler = &ip22_local2_irq_type; else handler = &ip22_local3_irq_type; irq_set_chip_and_handler(i, handler, handle_level_irq); } setup_irq(SGI_LOCAL_0_IRQ, &local0_cascade); setup_irq(SGI_LOCAL_1_IRQ, &local1_cascade); setup_irq(SGI_BUSERR_IRQ, &buserr); setup_irq(SGI_MAP_0_IRQ, &map0_cascade); #ifdef USE_LIO3_IRQ setup_irq(SGI_MAP_1_IRQ, &map1_cascade); #endif #ifdef CONFIG_EISA if (ip22_is_fullhouse()) ip22_eisa_init(); #endif }