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-rw-r--r--arch/mips/ite-boards/generic/int-handler.S63
1 files changed, 0 insertions, 63 deletions
diff --git a/arch/mips/ite-boards/generic/int-handler.S b/arch/mips/ite-boards/generic/int-handler.S
deleted file mode 100644
index d190d8add9cb..000000000000
--- a/arch/mips/ite-boards/generic/int-handler.S
+++ /dev/null
@@ -1,63 +0,0 @@
1#include <asm/asm.h>
2#include <asm/mipsregs.h>
3#include <asm/regdef.h>
4#include <asm/stackframe.h>
5
6 .text
7 .set macro
8 .set noat
9 .align 5
10
11NESTED(it8172_IRQ, PT_SIZE, sp)
12 SAVE_ALL
13 CLI # Important: mark KERNEL mode !
14
15 /* We're working with 'reorder' set at this point. */
16 /*
17 * Get pending interrupts
18 */
19
20 mfc0 t0,CP0_CAUSE # get pending interrupts
21 mfc0 t1,CP0_STATUS # get enabled interrupts
22 and t0,t1 # isolate allowed ones
23
24 andi t0,0xff00 # isolate pending bits
25 beqz t0, 3f # spurious interrupt
26
27 andi a0, t0, CAUSEF_IP7
28 beq a0, zero, 1f
29
30 li a0, 127 # MIPS_CPU_TIMER_IRQ = (NR_IRQS-1)
31 move a1, sp
32 jal ll_timer_interrupt
33 j ret_from_irq
34 nop
35
361:
37 andi a0, t0, CAUSEF_IP2 # the only int we expect at this time
38 beq a0, zero, 3f
39 move a0,sp
40 jal it8172_hw0_irqdispatch
41
42 mfc0 t0,CP0_STATUS # disable interrupts
43 ori t0,1
44 xori t0,1
45 mtc0 t0,CP0_STATUS
46 nop
47 nop
48 nop
49
50 la a1, ret_from_irq
51 jr a1
52 nop
53
543:
55 move a0, sp
56 jal mips_spurious_interrupt
57 nop
58 la a1, ret_from_irq
59 jr a1
60 nop
61
62END(it8172_IRQ)
63