diff options
Diffstat (limited to 'arch/mips/ddb5xxx/ddb5074/irq.c')
-rw-r--r-- | arch/mips/ddb5xxx/ddb5074/irq.c | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/arch/mips/ddb5xxx/ddb5074/irq.c b/arch/mips/ddb5xxx/ddb5074/irq.c index 45088a1be414..60c087b7738c 100644 --- a/arch/mips/ddb5xxx/ddb5074/irq.c +++ b/arch/mips/ddb5xxx/ddb5074/irq.c | |||
@@ -21,8 +21,6 @@ | |||
21 | #include <asm/ddb5xxx/ddb5074.h> | 21 | #include <asm/ddb5xxx/ddb5074.h> |
22 | 22 | ||
23 | 23 | ||
24 | extern asmlinkage void ddbIRQ(void); | ||
25 | |||
26 | static struct irqaction irq_cascade = { no_action, 0, CPU_MASK_NONE, "cascade", NULL, NULL }; | 24 | static struct irqaction irq_cascade = { no_action, 0, CPU_MASK_NONE, "cascade", NULL, NULL }; |
27 | 25 | ||
28 | #define M1543_PNP_CONFIG 0x03f0 /* PnP Config Port */ | 26 | #define M1543_PNP_CONFIG 0x03f0 /* PnP Config Port */ |
@@ -90,7 +88,7 @@ static void m1543_irq_setup(void) | |||
90 | 88 | ||
91 | } | 89 | } |
92 | 90 | ||
93 | void ddb_local0_irqdispatch(struct pt_regs *regs) | 91 | static void ddb_local0_irqdispatch(struct pt_regs *regs) |
94 | { | 92 | { |
95 | u32 mask; | 93 | u32 mask; |
96 | int nile4_irq; | 94 | int nile4_irq; |
@@ -118,29 +116,41 @@ void ddb_local0_irqdispatch(struct pt_regs *regs) | |||
118 | } | 116 | } |
119 | } | 117 | } |
120 | 118 | ||
121 | void ddb_local1_irqdispatch(void) | 119 | static void ddb_local1_irqdispatch(void) |
122 | { | 120 | { |
123 | printk("ddb_local1_irqdispatch called\n"); | 121 | printk("ddb_local1_irqdispatch called\n"); |
124 | } | 122 | } |
125 | 123 | ||
126 | void ddb_buserror_irq(void) | 124 | static void ddb_buserror_irq(void) |
127 | { | 125 | { |
128 | printk("ddb_buserror_irq called\n"); | 126 | printk("ddb_buserror_irq called\n"); |
129 | } | 127 | } |
130 | 128 | ||
131 | void ddb_8254timer_irq(void) | 129 | static void ddb_8254timer_irq(void) |
132 | { | 130 | { |
133 | printk("ddb_8254timer_irq called\n"); | 131 | printk("ddb_8254timer_irq called\n"); |
134 | } | 132 | } |
135 | 133 | ||
134 | asmlinkage void plat_irq_dispatch(struct pt_regs *regs) | ||
135 | { | ||
136 | unsigned int pending = read_c0_cause() & read_c0_status(); | ||
137 | |||
138 | if (pending & CAUSEF_IP2) | ||
139 | ddb_local0_irqdispatch(regs); | ||
140 | else if (pending & CAUSEF_IP3) | ||
141 | ddb_local1_irqdispatch(); | ||
142 | else if (pending & CAUSEF_IP6) | ||
143 | ddb_buserror_irq(); | ||
144 | else if (pending & (CAUSEF_IP4 | CAUSEF_IP5)) | ||
145 | ddb_8254timer_irq(); | ||
146 | } | ||
147 | |||
136 | void __init arch_init_irq(void) | 148 | void __init arch_init_irq(void) |
137 | { | 149 | { |
138 | /* setup cascade interrupts */ | 150 | /* setup cascade interrupts */ |
139 | setup_irq(NILE4_IRQ_BASE + NILE4_INT_INTE, &irq_cascade); | 151 | setup_irq(NILE4_IRQ_BASE + NILE4_INT_INTE, &irq_cascade); |
140 | setup_irq(CPU_IRQ_BASE + CPU_NILE4_CASCADE, &irq_cascade); | 152 | setup_irq(CPU_IRQ_BASE + CPU_NILE4_CASCADE, &irq_cascade); |
141 | 153 | ||
142 | set_except_vector(0, ddbIRQ); | ||
143 | |||
144 | nile4_irq_setup(NILE4_IRQ_BASE); | 154 | nile4_irq_setup(NILE4_IRQ_BASE); |
145 | m1543_irq_setup(); | 155 | m1543_irq_setup(); |
146 | init_i8259_irqs(); | 156 | init_i8259_irqs(); |