X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fmips%2Fmomentum%2Focelot_c%2Firq.c;h=ea65223a6d2c013a7d03252c5857b1f31b11325c;hb=refs%2Fheads%2Fvserver;hp=13dd8bd7404198571f3ab990bb7887e1c0c13d8c;hpb=9bf4aaab3e101692164d49b7ca357651eb691cb6;p=linux-2.6.git diff --git a/arch/mips/momentum/ocelot_c/irq.c b/arch/mips/momentum/ocelot_c/irq.c index 13dd8bd74..ea65223a6 100644 --- a/arch/mips/momentum/ocelot_c/irq.c +++ b/arch/mips/momentum/ocelot_c/irq.c @@ -5,7 +5,7 @@ * * Copyright 2001 MontaVista Software Inc. * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net - * Copyright (C) 2000, 2001 Ralf Baechle (ralf@gnu.org) + * Copyright (C) 2000, 01, 05 Ralf Baechle (ralf@linux-mips.org) * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -28,7 +28,6 @@ * 675 Mass Ave, Cambridge, MA 02139, USA. * */ -#include #include #include #include @@ -41,27 +40,53 @@ #include #include #include -#include +#include +#include #include #include #include #include -#include #include -extern asmlinkage void ocelot_handle_int(void); extern void uart_irq_init(void); extern void cpci_irq_init(void); static struct irqaction cascade_fpga = { - no_action, SA_INTERRUPT, CPU_MASK_NONE, "cascade via FPGA", NULL, NULL + no_action, IRQF_DISABLED, CPU_MASK_NONE, "cascade via FPGA", NULL, NULL }; static struct irqaction cascade_mv64340 = { - no_action, SA_INTERRUPT, CPU_MASK_NONE, "cascade via MV64340", NULL, NULL + no_action, IRQF_DISABLED, CPU_MASK_NONE, "cascade via MV64340", NULL, NULL }; -void __init init_IRQ(void) +extern void ll_uart_irq(void); +extern void ll_cpci_irq(void); + +asmlinkage void plat_irq_dispatch(void) +{ + unsigned int pending = read_c0_cause() & read_c0_status(); + + if (pending & STATUSF_IP0) + do_IRQ(0); + else if (pending & STATUSF_IP1) + do_IRQ(1); + else if (pending & STATUSF_IP2) + do_IRQ(2); + else if (pending & STATUSF_IP3) + ll_uart_irq(); + else if (pending & STATUSF_IP4) + do_IRQ(4); + else if (pending & STATUSF_IP5) + ll_cpci_irq(); + else if (pending & STATUSF_IP6) + ll_mv64340_irq(); + else if (pending & STATUSF_IP7) + do_IRQ(7); + else + spurious_interrupt(); +} + +void __init arch_init_irq(void) { /* * Clear all of the interrupts while we change the able around a bit. @@ -69,9 +94,6 @@ void __init init_IRQ(void) */ clear_c0_status(ST0_IM); - /* Sets the first-level interrupt dispatcher. */ - set_except_vector(0, ocelot_handle_int); - init_generic_irq(); mips_cpu_irq_init(0); /* set up the cascading interrupts */ @@ -82,10 +104,4 @@ void __init init_IRQ(void) mv64340_irq_init(16); uart_irq_init(); cpci_irq_init(); - -#ifdef CONFIG_KGDB - printk("start kgdb ...\n"); - set_debug_traps(); - breakpoint(); /* you may move this line to whereever you want :-) */ -#endif }