diff options
Diffstat (limited to 'arch/mips/ddb5xxx/ddb5476/irq.c')
-rw-r--r-- | arch/mips/ddb5xxx/ddb5476/irq.c | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/arch/mips/ddb5xxx/ddb5476/irq.c b/arch/mips/ddb5xxx/ddb5476/irq.c index 5388b5868c4a..7583a1f30711 100644 --- a/arch/mips/ddb5xxx/ddb5476/irq.c +++ b/arch/mips/ddb5xxx/ddb5476/irq.c | |||
@@ -110,11 +110,36 @@ static void nile4_irq_setup(void) | |||
110 | static struct irqaction irq_cascade = { no_action, 0, CPU_MASK_NONE, "cascade", NULL, NULL }; | 110 | static struct irqaction irq_cascade = { no_action, 0, CPU_MASK_NONE, "cascade", NULL, NULL }; |
111 | static struct irqaction irq_error = { no_action, 0, CPU_MASK_NONE, "error", NULL, NULL }; | 111 | static struct irqaction irq_error = { no_action, 0, CPU_MASK_NONE, "error", NULL, NULL }; |
112 | 112 | ||
113 | extern asmlinkage void ddb5476_handle_int(void); | ||
114 | extern int setup_irq(unsigned int irq, struct irqaction *irqaction); | 113 | extern int setup_irq(unsigned int irq, struct irqaction *irqaction); |
115 | extern void mips_cpu_irq_init(u32 irq_base); | 114 | extern void mips_cpu_irq_init(u32 irq_base); |
116 | extern void vrc5476_irq_init(u32 irq_base); | 115 | extern void vrc5476_irq_init(u32 irq_base); |
117 | 116 | ||
117 | extern void vrc5476_irq_dispatch(struct pt_regs *regs); | ||
118 | |||
119 | asmlinkage void plat_irq_dispatch(struct pt_regs *regs) | ||
120 | { | ||
121 | unsigned int pending = read_c0_cause() & read_c0_status(); | ||
122 | |||
123 | if (pending & STATUSF_IP7) | ||
124 | do_IRQ(CPU_IRQ_BASE + 7, regs); | ||
125 | else if (pending & STATUSF_IP2) | ||
126 | vrc5476_irq_dispatch(regs); | ||
127 | else if (pending & STATUSF_IP3) | ||
128 | do_IRQ(CPU_IRQ_BASE + 3, regs); | ||
129 | else if (pending & STATUSF_IP4) | ||
130 | do_IRQ(CPU_IRQ_BASE + 4, regs); | ||
131 | else if (pending & STATUSF_IP5) | ||
132 | do_IRQ(CPU_IRQ_BASE + 5, regs); | ||
133 | else if (pending & STATUSF_IP6) | ||
134 | do_IRQ(CPU_IRQ_BASE + 6, regs); | ||
135 | else if (pending & STATUSF_IP0) | ||
136 | do_IRQ(CPU_IRQ_BASE, regs); | ||
137 | else if (pending & STATUSF_IP1) | ||
138 | do_IRQ(CPU_IRQ_BASE + 1, regs); | ||
139 | |||
140 | vrc5476_irq_dispatch(regs); | ||
141 | } | ||
142 | |||
118 | void __init arch_init_irq(void) | 143 | void __init arch_init_irq(void) |
119 | { | 144 | { |
120 | /* hardware initialization */ | 145 | /* hardware initialization */ |
@@ -137,7 +162,4 @@ void __init arch_init_irq(void) | |||
137 | setup_irq(VRC5476_IRQ_BASE + VRC5476_IRQ_LBRT, &irq_error); | 162 | setup_irq(VRC5476_IRQ_BASE + VRC5476_IRQ_LBRT, &irq_error); |
138 | setup_irq(VRC5476_IRQ_BASE + VRC5476_IRQ_PCIS, &irq_error); | 163 | setup_irq(VRC5476_IRQ_BASE + VRC5476_IRQ_PCIS, &irq_error); |
139 | setup_irq(VRC5476_IRQ_BASE + VRC5476_IRQ_PCI, &irq_error); | 164 | setup_irq(VRC5476_IRQ_BASE + VRC5476_IRQ_PCI, &irq_error); |
140 | |||
141 | /* setup the grandpa intr vector */ | ||
142 | set_except_vector(0, ddb5476_handle_int); | ||
143 | } | 165 | } |