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Diffstat (limited to 'arch/mips/philips/pnx8550/common/int.c')
-rw-r--r--arch/mips/philips/pnx8550/common/int.c23
1 files changed, 16 insertions, 7 deletions
diff --git a/arch/mips/philips/pnx8550/common/int.c b/arch/mips/philips/pnx8550/common/int.c
index c500e2d41f2c..39ee6314f627 100644
--- a/arch/mips/philips/pnx8550/common/int.c
+++ b/arch/mips/philips/pnx8550/common/int.c
@@ -38,8 +38,6 @@
38#include <int.h> 38#include <int.h>
39#include <uart.h> 39#include <uart.h>
40 40
41extern asmlinkage void cp0_irqdispatch(void);
42
43static DEFINE_SPINLOCK(irq_lock); 41static DEFINE_SPINLOCK(irq_lock);
44 42
45/* default prio for interrupts */ 43/* default prio for interrupts */
@@ -55,7 +53,7 @@ static char gic_prio[PNX8550_INT_GIC_TOTINT] = {
55 1 // 70 53 1 // 70
56}; 54};
57 55
58void hw0_irqdispatch(int irq, struct pt_regs *regs) 56static void hw0_irqdispatch(int irq, struct pt_regs *regs)
59{ 57{
60 /* find out which interrupt */ 58 /* find out which interrupt */
61 irq = PNX8550_GIC_VECTOR_0 >> 3; 59 irq = PNX8550_GIC_VECTOR_0 >> 3;
@@ -68,7 +66,7 @@ void hw0_irqdispatch(int irq, struct pt_regs *regs)
68} 66}
69 67
70 68
71void timer_irqdispatch(int irq, struct pt_regs *regs) 69static void timer_irqdispatch(int irq, struct pt_regs *regs)
72{ 70{
73 irq = (0x01c0 & read_c0_config7()) >> 6; 71 irq = (0x01c0 & read_c0_config7()) >> 6;
74 72
@@ -88,6 +86,20 @@ void timer_irqdispatch(int irq, struct pt_regs *regs)
88 } 86 }
89} 87}
90 88
89asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
90{
91 unsigned int pending = read_c0_status() & read_c0_cause();
92
93 if (pending & STATUSF_IP2)
94 do_IRQ(2, regs);
95 else if (pending & STATUSF_IP7) {
96 if (read_c0_config7() & 0x01c0)
97 timer_irqdispatch(7, regs);
98 }
99
100 spurious_interrupt(regs);
101}
102
91static inline void modify_cp0_intmask(unsigned clr_mask, unsigned set_mask) 103static inline void modify_cp0_intmask(unsigned clr_mask, unsigned set_mask)
92{ 104{
93 unsigned long status = read_c0_status(); 105 unsigned long status = read_c0_status();
@@ -223,9 +235,6 @@ void __init arch_init_irq(void)
223 int i; 235 int i;
224 int configPR; 236 int configPR;
225 237
226 /* init of cp0 interrupts */
227 set_except_vector(0, cp0_irqdispatch);
228
229 for (i = 0; i < PNX8550_INT_CP0_TOTINT; i++) { 238 for (i = 0; i < PNX8550_INT_CP0_TOTINT; i++) {
230 irq_desc[i].handler = &level_irq_type; 239 irq_desc[i].handler = &level_irq_type;
231 pnx8550_ack(i); /* mask the irq just in case */ 240 pnx8550_ack(i); /* mask the irq just in case */