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-rw-r--r--arch/mips/galileo-boards/ev96100/Makefile2
-rw-r--r--arch/mips/galileo-boards/ev96100/int-handler.S34
-rw-r--r--arch/mips/galileo-boards/ev96100/irq.c17
3 files changed, 15 insertions, 38 deletions
diff --git a/arch/mips/galileo-boards/ev96100/Makefile b/arch/mips/galileo-boards/ev96100/Makefile
index 58c02f9db69d..cd868ec78cbc 100644
--- a/arch/mips/galileo-boards/ev96100/Makefile
+++ b/arch/mips/galileo-boards/ev96100/Makefile
@@ -6,4 +6,4 @@
6# Makefile for the Galileo EV96100 board. 6# Makefile for the Galileo EV96100 board.
7# 7#
8 8
9obj-y += init.o irq.o puts.o reset.o time.o int-handler.o setup.o 9obj-y += init.o irq.o puts.o reset.o time.o setup.o
diff --git a/arch/mips/galileo-boards/ev96100/int-handler.S b/arch/mips/galileo-boards/ev96100/int-handler.S
deleted file mode 100644
index 0edf1fec2905..000000000000
--- a/arch/mips/galileo-boards/ev96100/int-handler.S
+++ /dev/null
@@ -1,34 +0,0 @@
1#include <asm/asm.h>
2#include <asm/mipsregs.h>
3#include <asm/regdef.h>
4#include <asm/stackframe.h>
5
6 .set noat
7 .align 5
8
9NESTED(ev96100IRQ, PT_SIZE, sp)
10 SAVE_ALL
11 CLI # Important: mark KERNEL mode !
12
13 mfc0 t0, CP0_CAUSE # get pending interrupts
14 mfc0 t1, CP0_STATUS # get enabled interrupts
15 and t0, t1 # isolate allowed ones
16
17 # FIX ME add R7000 extensions
18 andi t0,0xff00 # isolate pending bits
19 andi a0, t0, CAUSEF_IP7
20 beq a0, zero, 1f
21 move a0, sp
22 jal mips_timer_interrupt
23 j ret_from_irq
24
251: beqz t0, 3f # spurious interrupt
26
27 move a0, t0
28 move a1, sp
29 jal ev96100_cpu_irq
30 j ret_from_irq
31
323: jal spurious_interrupt
33 j ret_from_irq
34 END(ev96100IRQ)
diff --git a/arch/mips/galileo-boards/ev96100/irq.c b/arch/mips/galileo-boards/ev96100/irq.c
index 383801dd1b95..ee5d6720f23b 100644
--- a/arch/mips/galileo-boards/ev96100/irq.c
+++ b/arch/mips/galileo-boards/ev96100/irq.c
@@ -40,8 +40,6 @@
40#include <linux/interrupt.h> 40#include <linux/interrupt.h>
41#include <asm/irq_cpu.h> 41#include <asm/irq_cpu.h>
42 42
43extern asmlinkage void ev96100IRQ(void);
44
45static inline unsigned int ffz8(unsigned int word) 43static inline unsigned int ffz8(unsigned int word)
46{ 44{
47 unsigned long k; 45 unsigned long k;
@@ -54,13 +52,26 @@ static inline unsigned int ffz8(unsigned int word)
54 return k; 52 return k;
55} 53}
56 54
55extern void mips_timer_interrupt(struct pt_regs *regs);
56
57asmlinkage void ev96100_cpu_irq(unsigned int pending, struct pt_regs *regs) 57asmlinkage void ev96100_cpu_irq(unsigned int pending, struct pt_regs *regs)
58{ 58{
59 do_IRQ(ffz8(pending >> 8), regs); 59 do_IRQ(ffz8(pending >> 8), regs);
60} 60}
61 61
62asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
63{
64 unsigned int pending = read_c0_cause() & read_c0_status() & ST0_IM;
65
66 if (pending & CAUSEF_IP7)
67 mips_timer_interrupt(regs);
68 else if (pending)
69 ev96100_cpu_irq(pending, regs);
70 else
71 spurious_interrupt(regs);
72}
73
62void __init arch_init_irq(void) 74void __init arch_init_irq(void)
63{ 75{
64 set_except_vector(0, ev96100IRQ);
65 mips_cpu_irq_init(0); 76 mips_cpu_irq_init(0);
66} 77}