diff options
Diffstat (limited to 'arch/mips/momentum/ocelot_c/irq.c')
| -rw-r--r-- | arch/mips/momentum/ocelot_c/irq.c | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/arch/mips/momentum/ocelot_c/irq.c b/arch/mips/momentum/ocelot_c/irq.c index a5764bc20e36..86f61ce59e53 100644 --- a/arch/mips/momentum/ocelot_c/irq.c +++ b/arch/mips/momentum/ocelot_c/irq.c | |||
| @@ -48,7 +48,6 @@ | |||
| 48 | #include <asm/mipsregs.h> | 48 | #include <asm/mipsregs.h> |
| 49 | #include <asm/system.h> | 49 | #include <asm/system.h> |
| 50 | 50 | ||
| 51 | extern asmlinkage void ocelot_handle_int(void); | ||
| 52 | extern void uart_irq_init(void); | 51 | extern void uart_irq_init(void); |
| 53 | extern void cpci_irq_init(void); | 52 | extern void cpci_irq_init(void); |
| 54 | 53 | ||
| @@ -60,6 +59,33 @@ static struct irqaction cascade_mv64340 = { | |||
| 60 | no_action, SA_INTERRUPT, CPU_MASK_NONE, "cascade via MV64340", NULL, NULL | 59 | no_action, SA_INTERRUPT, CPU_MASK_NONE, "cascade via MV64340", NULL, NULL |
| 61 | }; | 60 | }; |
| 62 | 61 | ||
| 62 | extern void ll_uart_irq(struct pt_regs *regs); | ||
| 63 | extern void ll_cpci_irq(struct pt_regs *regs); | ||
| 64 | |||
| 65 | asmlinkage void plat_irq_dispatch(struct pt_regs *regs) | ||
| 66 | { | ||
| 67 | unsigned int pending = read_c0_cause() & read_c0_status(); | ||
| 68 | |||
| 69 | if (pending & STATUSF_IP0) | ||
| 70 | do_IRQ(0, regs); | ||
| 71 | else if (pending & STATUSF_IP1) | ||
| 72 | do_IRQ(1, regs); | ||
| 73 | else if (pending & STATUSF_IP2) | ||
| 74 | do_IRQ(2, regs); | ||
| 75 | else if (pending & STATUSF_IP3) | ||
| 76 | ll_uart_irq(regs); | ||
| 77 | else if (pending & STATUSF_IP4) | ||
| 78 | do_IRQ(4, regs); | ||
| 79 | else if (pending & STATUSF_IP5) | ||
| 80 | ll_cpci_irq(regs); | ||
| 81 | else if (pending & STATUSF_IP6) | ||
| 82 | ll_mv64340_irq(regs); | ||
| 83 | else if (pending & STATUSF_IP7) | ||
| 84 | do_IRQ(7, regs); | ||
| 85 | else | ||
| 86 | spurious_interrupt(regs); | ||
| 87 | } | ||
| 88 | |||
| 63 | void __init arch_init_irq(void) | 89 | void __init arch_init_irq(void) |
| 64 | { | 90 | { |
| 65 | /* | 91 | /* |
| @@ -68,8 +94,6 @@ void __init arch_init_irq(void) | |||
| 68 | */ | 94 | */ |
| 69 | clear_c0_status(ST0_IM); | 95 | clear_c0_status(ST0_IM); |
| 70 | 96 | ||
| 71 | /* Sets the first-level interrupt dispatcher. */ | ||
| 72 | set_except_vector(0, ocelot_handle_int); | ||
| 73 | mips_cpu_irq_init(0); | 97 | mips_cpu_irq_init(0); |
| 74 | 98 | ||
| 75 | /* set up the cascading interrupts */ | 99 | /* set up the cascading interrupts */ |
