diff options
Diffstat (limited to 'arch/mips/jazz/irq.c')
| -rw-r--r-- | arch/mips/jazz/irq.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/mips/jazz/irq.c b/arch/mips/jazz/irq.c new file mode 100644 index 000000000..8dcad3257 --- /dev/null +++ b/arch/mips/jazz/irq.c @@ -0,0 +1,45 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 1992 Linus Torvalds + * Copyright (C) 1994 - 2001 Ralf Baechle + */ +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/interrupt.h> +#include <linux/kernel.h> +#include <linux/spinlock.h> + +#include <asm/io.h> +#include <asm/jazz.h> + +extern asmlinkage void jazz_handle_int(void); + +/* + * On systems with i8259-style interrupt controllers we assume for + * driver compatibility reasons interrupts 0 - 15 to be the i8295 + * interrupts even if the hardware uses a different interrupt numbering. + */ +void __init init_IRQ (void) +{ + int i; + + set_except_vector(0, jazz_handle_int); + + init_generic_irq(); + init_i8259_irqs(); /* Integrated i8259 */ +#if 0 + init_jazz_irq(); + + /* Actually we've got more interrupts to handle ... */ + for (i = PCIMT_IRQ_INT2; i <= PCIMT_IRQ_ETHERNET; i++) { + irq_desc[i].status = IRQ_DISABLED; + irq_desc[i].action = 0; + irq_desc[i].depth = 1; + irq_desc[i].handler = &pciasic_irq_type; + } +#endif +} |